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Yuval Mintz247fa822013-01-14 05:11:50 +00001/* Copyright 2008-2013 Broadcom Corporation
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002 *
3 * Unless you and Broadcom execute a separate written software license
4 * agreement governing use of this software, this software is licensed to you
5 * under the terms of the GNU General Public License version 2, available
6 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
7 *
8 * Notwithstanding the above, under no circumstances may you combine this
9 * software in any way with any other Broadcom software provided under a
10 * license other than the GPL, without Broadcom's express prior written
11 * consent.
12 *
13 * Written by Yaniv Rosner
14 *
15 */
16
Joe Perches7995c642010-02-17 15:01:52 +000017#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
18
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070019#include <linux/kernel.h>
20#include <linux/errno.h>
21#include <linux/pci.h>
22#include <linux/netdevice.h>
23#include <linux/delay.h>
24#include <linux/ethtool.h>
25#include <linux/mutex.h>
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070026
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070027#include "bnx2x.h"
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030028#include "bnx2x_cmn.h"
29
Yaniv Rosner669d69962013-03-27 01:05:18 +000030typedef int (*read_sfp_module_eeprom_func_p)(struct bnx2x_phy *phy,
31 struct link_params *params,
32 u8 dev_addr, u16 addr, u8 byte_cnt,
33 u8 *o_buf, u8);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070034/********************************************************/
Eilon Greenstein3196a882008-08-13 15:58:49 -070035#define ETH_HLEN 14
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000036/* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
37#define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070038#define ETH_MIN_PACKET_SIZE 60
39#define ETH_MAX_PACKET_SIZE 1500
40#define ETH_MAX_JUMBO_PACKET_SIZE 9600
41#define MDIO_ACCESS_TIMEOUT 1000
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000042#define WC_LANE_MAX 4
43#define I2C_SWITCH_WIDTH 2
44#define I2C_BSC0 0
45#define I2C_BSC1 1
46#define I2C_WA_RETRY_CNT 3
Yuval Mintz50a29842012-06-16 20:27:14 +000047#define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000048#define MCPR_IMC_COMMAND_READ_OP 1
49#define MCPR_IMC_COMMAND_WRITE_OP 2
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070050
Yaniv Rosner26ffaf32011-10-27 05:09:45 +000051/* LED Blink rate that will achieve ~15.9Hz */
52#define LED_BLINK_RATE_VAL_E3 354
53#define LED_BLINK_RATE_VAL_E1X_E2 480
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070054/***********************************************************/
Eilon Greenstein3196a882008-08-13 15:58:49 -070055/* Shortcut definitions */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070056/***********************************************************/
57
Eilon Greenstein2f904462009-08-12 08:22:16 +000058#define NIG_LATCH_BC_ENABLE_MI_INT 0
59
60#define NIG_STATUS_EMAC0_MI_INT \
61 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070062#define NIG_STATUS_XGXS0_LINK10G \
63 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
64#define NIG_STATUS_XGXS0_LINK_STATUS \
65 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
66#define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
67 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
68#define NIG_STATUS_SERDES0_LINK_STATUS \
69 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
70#define NIG_MASK_MI_INT \
71 NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
72#define NIG_MASK_XGXS0_LINK10G \
73 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
74#define NIG_MASK_XGXS0_LINK_STATUS \
75 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
76#define NIG_MASK_SERDES0_LINK_STATUS \
77 NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
78
79#define MDIO_AN_CL73_OR_37_COMPLETE \
80 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
81 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
82
83#define XGXS_RESET_BITS \
84 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
85 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
86 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
87 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
88 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
89
90#define SERDES_RESET_BITS \
91 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
92 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
93 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
94 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
95
96#define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
97#define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000098#define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
Eilon Greenstein3196a882008-08-13 15:58:49 -070099#define AUTONEG_PARALLEL \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700100 SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
Eilon Greenstein3196a882008-08-13 15:58:49 -0700101#define AUTONEG_SGMII_FIBER_AUTODET \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700102 SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
Eilon Greenstein3196a882008-08-13 15:58:49 -0700103#define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700104
105#define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
106 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
107#define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
108 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
109#define GP_STATUS_SPEED_MASK \
110 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
111#define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
112#define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
113#define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
114#define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
115#define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
116#define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
117#define GP_STATUS_10G_HIG \
118 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
119#define GP_STATUS_10G_CX4 \
120 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700121#define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
122#define GP_STATUS_10G_KX4 \
123 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000124#define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
125#define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
126#define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
127#define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
Yaniv Rosner4e7b4992012-11-27 03:46:29 +0000128#define GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000129#define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
130#define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700131#define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000132#define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700133#define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
134#define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
135#define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
136#define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
137#define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
138#define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
139#define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000140#define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
141#define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000142#define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
143#define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
Yaniv Rosner6583e332011-06-14 01:34:17 +0000144
Yaniv Rosner49781402012-10-31 05:46:55 +0000145#define LINK_UPDATE_MASK \
146 (LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
147 LINK_STATUS_LINK_UP | \
148 LINK_STATUS_PHYSICAL_LINK_FLAG | \
149 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
150 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
151 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
152 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
153 LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
154 LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
Yaniv Rosner6583e332011-06-14 01:34:17 +0000155
Eilon Greenstein589abe32009-02-12 08:36:55 +0000156#define SFP_EEPROM_CON_TYPE_ADDR 0x2
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000157 #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
Eilon Greenstein589abe32009-02-12 08:36:55 +0000158 #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
Yaniv Rosnerb807c742013-03-11 05:17:48 +0000159 #define SFP_EEPROM_CON_TYPE_VAL_RJ45 0x22
Eilon Greenstein589abe32009-02-12 08:36:55 +0000160
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000161
162#define SFP_EEPROM_COMP_CODE_ADDR 0x3
163 #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
164 #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
165 #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
166
Eilon Greenstein589abe32009-02-12 08:36:55 +0000167#define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
168 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000169 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000170
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000171#define SFP_EEPROM_OPTIONS_ADDR 0x40
Eilon Greenstein589abe32009-02-12 08:36:55 +0000172 #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000173#define SFP_EEPROM_OPTIONS_SIZE 2
Eilon Greenstein589abe32009-02-12 08:36:55 +0000174
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000175#define EDC_MODE_LINEAR 0x0022
176#define EDC_MODE_LIMITING 0x0044
177#define EDC_MODE_PASSIVE_DAC 0x0055
Yaniv Rosner869952e2013-09-22 14:59:25 +0300178#define EDC_MODE_ACTIVE_DAC 0x0066
Eilon Greenstein589abe32009-02-12 08:36:55 +0000179
Yaniv Rosner866ceda2011-11-28 00:49:45 +0000180/* ETS defines*/
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000181#define DCBX_INVALID_COS (0xFF)
182
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000183#define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
184#define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000185#define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
186#define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
187#define ETS_E3B0_PBF_MIN_W_VAL (10000)
188
189#define MAX_PACKET_SIZE (9700)
Yaniv Rosnera9077bf2011-10-27 05:09:46 +0000190#define MAX_KR_LINK_RETRY 4
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000191
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700192/**********************************************************/
193/* INTERFACE */
194/**********************************************************/
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000195
Yaniv Rosnercd2be892011-01-31 04:21:45 +0000196#define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000197 bnx2x_cl45_write(_bp, _phy, \
Yaniv Rosner7aa07112010-09-07 11:41:01 +0000198 (_phy)->def_md_devad, \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700199 (_bank + (_addr & 0xf)), \
200 _val)
201
Yaniv Rosnercd2be892011-01-31 04:21:45 +0000202#define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000203 bnx2x_cl45_read(_bp, _phy, \
Yaniv Rosner7aa07112010-09-07 11:41:01 +0000204 (_phy)->def_md_devad, \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700205 (_bank + (_addr & 0xf)), \
206 _val)
207
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700208static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
209{
210 u32 val = REG_RD(bp, reg);
211
212 val |= bits;
213 REG_WR(bp, reg, val);
214 return val;
215}
216
217static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
218{
219 u32 val = REG_RD(bp, reg);
220
221 val &= ~bits;
222 REG_WR(bp, reg, val);
223 return val;
224}
225
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +0000226/*
227 * bnx2x_check_lfa - This function checks if link reinitialization is required,
228 * or link flap can be avoided.
229 *
230 * @params: link parameters
231 * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
232 * condition code.
233 */
234static int bnx2x_check_lfa(struct link_params *params)
235{
236 u32 link_status, cfg_idx, lfa_mask, cfg_size;
237 u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
238 u32 saved_val, req_val, eee_status;
239 struct bnx2x *bp = params->bp;
240
241 additional_config =
242 REG_RD(bp, params->lfa_base +
243 offsetof(struct shmem_lfa, additional_config));
244
245 /* NOTE: must be first condition checked -
246 * to verify DCC bit is cleared in any case!
247 */
248 if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
249 DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
250 REG_WR(bp, params->lfa_base +
251 offsetof(struct shmem_lfa, additional_config),
252 additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
253 return LFA_DCC_LFA_DISABLED;
254 }
255
256 /* Verify that link is up */
257 link_status = REG_RD(bp, params->shmem_base +
258 offsetof(struct shmem_region,
259 port_mb[params->port].link_status));
260 if (!(link_status & LINK_STATUS_LINK_UP))
261 return LFA_LINK_DOWN;
262
Barak Witkowskic63da992012-12-05 23:04:03 +0000263 /* if loaded after BOOT from SAN, don't flap the link in any case and
264 * rely on link set by preboot driver
265 */
266 if (params->feature_config_flags & FEATURE_CONFIG_BOOT_FROM_SAN)
267 return 0;
268
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +0000269 /* Verify that loopback mode is not set */
270 if (params->loopback_mode)
271 return LFA_LOOPBACK_ENABLED;
272
273 /* Verify that MFW supports LFA */
274 if (!params->lfa_base)
275 return LFA_MFW_IS_TOO_OLD;
276
277 if (params->num_phys == 3) {
278 cfg_size = 2;
279 lfa_mask = 0xffffffff;
280 } else {
281 cfg_size = 1;
282 lfa_mask = 0xffff;
283 }
284
285 /* Compare Duplex */
286 saved_val = REG_RD(bp, params->lfa_base +
287 offsetof(struct shmem_lfa, req_duplex));
288 req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
289 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
290 DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
291 (saved_val & lfa_mask), (req_val & lfa_mask));
292 return LFA_DUPLEX_MISMATCH;
293 }
294 /* Compare Flow Control */
295 saved_val = REG_RD(bp, params->lfa_base +
296 offsetof(struct shmem_lfa, req_flow_ctrl));
297 req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
298 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
299 DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
300 (saved_val & lfa_mask), (req_val & lfa_mask));
301 return LFA_FLOW_CTRL_MISMATCH;
302 }
303 /* Compare Link Speed */
304 saved_val = REG_RD(bp, params->lfa_base +
305 offsetof(struct shmem_lfa, req_line_speed));
306 req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
307 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
308 DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
309 (saved_val & lfa_mask), (req_val & lfa_mask));
310 return LFA_LINK_SPEED_MISMATCH;
311 }
312
313 for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
314 cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
315 offsetof(struct shmem_lfa,
316 speed_cap_mask[cfg_idx]));
317
318 if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
319 DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
320 cur_speed_cap_mask,
321 params->speed_cap_mask[cfg_idx]);
322 return LFA_SPEED_CAP_MISMATCH;
323 }
324 }
325
326 cur_req_fc_auto_adv =
327 REG_RD(bp, params->lfa_base +
328 offsetof(struct shmem_lfa, additional_config)) &
329 REQ_FC_AUTO_ADV_MASK;
330
331 if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
332 DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
333 cur_req_fc_auto_adv, params->req_fc_auto_adv);
334 return LFA_FLOW_CTRL_MISMATCH;
335 }
336
337 eee_status = REG_RD(bp, params->shmem2_base +
338 offsetof(struct shmem2_region,
339 eee_status[params->port]));
340
341 if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
342 (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
343 ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
344 (params->eee_mode & EEE_MODE_ADV_LPI))) {
345 DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
346 eee_status);
347 return LFA_EEE_MISMATCH;
348 }
349
350 /* LFA conditions are met */
351 return 0;
352}
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000353/******************************************************************/
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000354/* EPIO/GPIO section */
355/******************************************************************/
Yaniv Rosner3deb8162011-06-14 01:34:33 +0000356static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
357{
358 u32 epio_mask, gp_oenable;
359 *en = 0;
360 /* Sanity check */
361 if (epio_pin > 31) {
362 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
363 return;
364 }
365
366 epio_mask = 1 << epio_pin;
367 /* Set this EPIO to output */
368 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
369 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
370
371 *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
372}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000373static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
374{
375 u32 epio_mask, gp_output, gp_oenable;
376
377 /* Sanity check */
378 if (epio_pin > 31) {
379 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
380 return;
381 }
382 DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
383 epio_mask = 1 << epio_pin;
384 /* Set this EPIO to output */
385 gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
386 if (en)
387 gp_output |= epio_mask;
388 else
389 gp_output &= ~epio_mask;
390
391 REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
392
393 /* Set the value for this EPIO */
394 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
395 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
396}
397
398static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
399{
400 if (pin_cfg == PIN_CFG_NA)
401 return;
402 if (pin_cfg >= PIN_CFG_EPIO0) {
403 bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
404 } else {
405 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
406 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
407 bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
408 }
409}
410
Yaniv Rosner3deb8162011-06-14 01:34:33 +0000411static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
412{
413 if (pin_cfg == PIN_CFG_NA)
414 return -EINVAL;
415 if (pin_cfg >= PIN_CFG_EPIO0) {
416 bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
417 } else {
418 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
419 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
420 *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
421 }
422 return 0;
423
424}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000425/******************************************************************/
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000426/* ETS section */
427/******************************************************************/
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000428static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000429{
430 /* ETS disabled configuration*/
431 struct bnx2x *bp = params->bp;
432
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000433 DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000434
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000435 /* mapping between entry priority to client number (0,1,2 -debug and
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000436 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
437 * 3bits client num.
438 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
439 * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
440 */
441
442 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000443 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000444 * as strict. Bits 0,1,2 - debug and management entries, 3 -
445 * COS0 entry, 4 - COS1 entry.
446 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
447 * bit4 bit3 bit2 bit1 bit0
448 * MCP and debug are strict
449 */
450
451 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
452 /* defines which entries (clients) are subjected to WFQ arbitration */
453 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000454 /* For strict priority entries defines the number of consecutive
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000455 * slots for the highest priority.
456 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000457 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000458 /* mapping between the CREDIT_WEIGHT registers and actual client
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000459 * numbers
460 */
461 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
462 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
463 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
464
465 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
466 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
467 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
468 /* ETS mode disable */
469 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000470 /* If ETS mode is enabled (there is no strict priority) defines a WFQ
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000471 * weight for COS0/COS1.
472 */
473 REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
474 REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
475 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
476 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
477 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
478 /* Defines the number of consecutive slots for the strict priority */
479 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
480}
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000481/******************************************************************************
482* Description:
483* Getting min_w_val will be set according to line speed .
484*.
485******************************************************************************/
486static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
487{
488 u32 min_w_val = 0;
489 /* Calculate min_w_val.*/
490 if (vars->link_up) {
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000491 if (vars->line_speed == SPEED_20000)
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000492 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
493 else
494 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
495 } else
496 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000497 /* If the link isn't up (static configuration for example ) The
498 * link will be according to 20GBPS.
499 */
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000500 return min_w_val;
501}
502/******************************************************************************
503* Description:
504* Getting credit upper bound form min_w_val.
505*.
506******************************************************************************/
507static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
508{
509 const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
510 MAX_PACKET_SIZE);
511 return credit_upper_bound;
512}
513/******************************************************************************
514* Description:
515* Set credit upper bound for NIG.
516*.
517******************************************************************************/
518static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
519 const struct link_params *params,
520 const u32 min_w_val)
521{
522 struct bnx2x *bp = params->bp;
523 const u8 port = params->port;
524 const u32 credit_upper_bound =
525 bnx2x_ets_get_credit_upper_bound(min_w_val);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000526
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000527 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
528 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
529 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
530 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
531 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
532 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
533 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
534 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
535 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
536 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
537 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
538 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
539
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000540 if (!port) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000541 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
542 credit_upper_bound);
543 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
544 credit_upper_bound);
545 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
546 credit_upper_bound);
547 }
548}
549/******************************************************************************
550* Description:
551* Will return the NIG ETS registers to init values.Except
552* credit_upper_bound.
553* That isn't used in this configuration (No WFQ is enabled) and will be
554* configured acording to spec
555*.
556******************************************************************************/
557static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
558 const struct link_vars *vars)
559{
560 struct bnx2x *bp = params->bp;
561 const u8 port = params->port;
562 const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000563 /* Mapping between entry priority to client number (0,1,2 -debug and
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000564 * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
565 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
566 * reset value or init tool
567 */
568 if (port) {
569 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
570 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
571 } else {
572 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
573 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
574 }
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000575 /* For strict priority entries defines the number of consecutive
576 * slots for the highest priority.
577 */
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000578 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
579 NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000580 /* Mapping between the CREDIT_WEIGHT registers and actual client
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000581 * numbers
582 */
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000583 if (port) {
584 /*Port 1 has 6 COS*/
585 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
586 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
587 } else {
588 /*Port 0 has 9 COS*/
589 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
590 0x43210876);
591 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
592 }
593
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000594 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000595 * as strict. Bits 0,1,2 - debug and management entries, 3 -
596 * COS0 entry, 4 - COS1 entry.
597 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
598 * bit4 bit3 bit2 bit1 bit0
599 * MCP and debug are strict
600 */
601 if (port)
602 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
603 else
604 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
605 /* defines which entries (clients) are subjected to WFQ arbitration */
606 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
607 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
608
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000609 /* Please notice the register address are note continuous and a
610 * for here is note appropriate.In 2 port mode port0 only COS0-5
611 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
612 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
613 * are never used for WFQ
614 */
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000615 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
616 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
617 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
618 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
619 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
620 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
621 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
622 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
623 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
624 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
625 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
626 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000627 if (!port) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000628 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
629 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
630 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
631 }
632
633 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
634}
635/******************************************************************************
636* Description:
637* Set credit upper bound for PBF.
638*.
639******************************************************************************/
640static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
641 const struct link_params *params,
642 const u32 min_w_val)
643{
644 struct bnx2x *bp = params->bp;
645 const u32 credit_upper_bound =
646 bnx2x_ets_get_credit_upper_bound(min_w_val);
647 const u8 port = params->port;
648 u32 base_upper_bound = 0;
649 u8 max_cos = 0;
650 u8 i = 0;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000651 /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
652 * port mode port1 has COS0-2 that can be used for WFQ.
653 */
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000654 if (!port) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000655 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
656 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
657 } else {
658 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
659 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
660 }
661
662 for (i = 0; i < max_cos; i++)
663 REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
664}
665
666/******************************************************************************
667* Description:
668* Will return the PBF ETS registers to init values.Except
669* credit_upper_bound.
670* That isn't used in this configuration (No WFQ is enabled) and will be
671* configured acording to spec
672*.
673******************************************************************************/
674static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
675{
676 struct bnx2x *bp = params->bp;
677 const u8 port = params->port;
678 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
679 u8 i = 0;
680 u32 base_weight = 0;
681 u8 max_cos = 0;
682
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000683 /* Mapping between entry priority to client number 0 - COS0
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000684 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
685 * TODO_ETS - Should be done by reset value or init tool
686 */
687 if (port)
688 /* 0x688 (|011|0 10|00 1|000) */
689 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
690 else
691 /* (10 1|100 |011|0 10|00 1|000) */
692 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
693
694 /* TODO_ETS - Should be done by reset value or init tool */
695 if (port)
696 /* 0x688 (|011|0 10|00 1|000)*/
697 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
698 else
699 /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
700 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
701
702 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
703 PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
704
705
706 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
707 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
708
709 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
710 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000711 /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
712 * In 4 port mode port1 has COS0-2 that can be used for WFQ.
713 */
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000714 if (!port) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000715 base_weight = PBF_REG_COS0_WEIGHT_P0;
716 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
717 } else {
718 base_weight = PBF_REG_COS0_WEIGHT_P1;
719 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
720 }
721
722 for (i = 0; i < max_cos; i++)
723 REG_WR(bp, base_weight + (0x4 * i), 0);
724
725 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
726}
727/******************************************************************************
728* Description:
729* E3B0 disable will return basicly the values to init values.
730*.
731******************************************************************************/
732static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
733 const struct link_vars *vars)
734{
735 struct bnx2x *bp = params->bp;
736
737 if (!CHIP_IS_E3B0(bp)) {
Joe Perches94f05b02011-08-14 12:16:20 +0000738 DP(NETIF_MSG_LINK,
739 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000740 return -EINVAL;
741 }
742
743 bnx2x_ets_e3b0_nig_disabled(params, vars);
744
745 bnx2x_ets_e3b0_pbf_disabled(params);
746
747 return 0;
748}
749
750/******************************************************************************
751* Description:
752* Disable will return basicly the values to init values.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000753*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000754******************************************************************************/
755int bnx2x_ets_disabled(struct link_params *params,
756 struct link_vars *vars)
757{
758 struct bnx2x *bp = params->bp;
759 int bnx2x_status = 0;
760
761 if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
762 bnx2x_ets_e2e3a0_disabled(params);
763 else if (CHIP_IS_E3B0(bp))
764 bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
765 else {
766 DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
767 return -EINVAL;
768 }
769
770 return bnx2x_status;
771}
772
773/******************************************************************************
774* Description
775* Set the COS mappimg to SP and BW until this point all the COS are not
776* set as SP or BW.
777******************************************************************************/
778static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
779 const struct bnx2x_ets_params *ets_params,
780 const u8 cos_sp_bitmap,
781 const u8 cos_bw_bitmap)
782{
783 struct bnx2x *bp = params->bp;
784 const u8 port = params->port;
785 const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
786 const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
787 const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
788 const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
789
790 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
791 NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
792
793 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
794 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
795
796 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
797 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
798 nig_cli_subject2wfq_bitmap);
799
800 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
801 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
802 pbf_cli_subject2wfq_bitmap);
803
804 return 0;
805}
806
807/******************************************************************************
808* Description:
809* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
810* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
811******************************************************************************/
812static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
813 const u8 cos_entry,
814 const u32 min_w_val_nig,
815 const u32 min_w_val_pbf,
816 const u16 total_bw,
817 const u8 bw,
818 const u8 port)
819{
820 u32 nig_reg_adress_crd_weight = 0;
821 u32 pbf_reg_adress_crd_weight = 0;
David S. Miller8decf862011-09-22 03:23:13 -0400822 /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
823 const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
824 const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000825
826 switch (cos_entry) {
827 case 0:
828 nig_reg_adress_crd_weight =
829 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
830 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
831 pbf_reg_adress_crd_weight = (port) ?
832 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
833 break;
834 case 1:
835 nig_reg_adress_crd_weight = (port) ?
836 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
837 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
838 pbf_reg_adress_crd_weight = (port) ?
839 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
840 break;
841 case 2:
842 nig_reg_adress_crd_weight = (port) ?
843 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
844 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
845
846 pbf_reg_adress_crd_weight = (port) ?
847 PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
848 break;
849 case 3:
850 if (port)
851 return -EINVAL;
852 nig_reg_adress_crd_weight =
853 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
854 pbf_reg_adress_crd_weight =
855 PBF_REG_COS3_WEIGHT_P0;
856 break;
857 case 4:
858 if (port)
859 return -EINVAL;
860 nig_reg_adress_crd_weight =
861 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
862 pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
863 break;
864 case 5:
865 if (port)
866 return -EINVAL;
867 nig_reg_adress_crd_weight =
868 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
869 pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
870 break;
871 }
872
873 REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
874
875 REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
876
877 return 0;
878}
879/******************************************************************************
880* Description:
881* Calculate the total BW.A value of 0 isn't legal.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000882*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000883******************************************************************************/
884static int bnx2x_ets_e3b0_get_total_bw(
885 const struct link_params *params,
Yaniv Rosner870516e12011-11-28 00:49:46 +0000886 struct bnx2x_ets_params *ets_params,
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000887 u16 *total_bw)
888{
889 struct bnx2x *bp = params->bp;
890 u8 cos_idx = 0;
Yaniv Rosner870516e12011-11-28 00:49:46 +0000891 u8 is_bw_cos_exist = 0;
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000892
893 *total_bw = 0 ;
894 /* Calculate total BW requested */
895 for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000896 if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
Yaniv Rosner870516e12011-11-28 00:49:46 +0000897 is_bw_cos_exist = 1;
898 if (!ets_params->cos[cos_idx].params.bw_params.bw) {
899 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
900 "was set to 0\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000901 /* This is to prevent a state when ramrods
Yaniv Rosner870516e12011-11-28 00:49:46 +0000902 * can't be sent
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000903 */
Yaniv Rosner870516e12011-11-28 00:49:46 +0000904 ets_params->cos[cos_idx].params.bw_params.bw
905 = 1;
906 }
David S. Miller8decf862011-09-22 03:23:13 -0400907 *total_bw +=
908 ets_params->cos[cos_idx].params.bw_params.bw;
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000909 }
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000910 }
911
David S. Miller8decf862011-09-22 03:23:13 -0400912 /* Check total BW is valid */
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000913 if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
914 if (*total_bw == 0) {
Joe Perches94f05b02011-08-14 12:16:20 +0000915 DP(NETIF_MSG_LINK,
Yaniv Rosner2f751a82011-11-28 00:49:52 +0000916 "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000917 return -EINVAL;
918 }
Joe Perches94f05b02011-08-14 12:16:20 +0000919 DP(NETIF_MSG_LINK,
Yaniv Rosner2f751a82011-11-28 00:49:52 +0000920 "bnx2x_ets_E3B0_config total BW should be 100\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000921 /* We can handle a case whre the BW isn't 100 this can happen
Yaniv Rosner2f751a82011-11-28 00:49:52 +0000922 * if the TC are joined.
923 */
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000924 }
925 return 0;
926}
927
928/******************************************************************************
929* Description:
930* Invalidate all the sp_pri_to_cos.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000931*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000932******************************************************************************/
933static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
934{
935 u8 pri = 0;
936 for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
937 sp_pri_to_cos[pri] = DCBX_INVALID_COS;
938}
939/******************************************************************************
940* Description:
941* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
942* according to sp_pri_to_cos.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000943*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000944******************************************************************************/
945static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
946 u8 *sp_pri_to_cos, const u8 pri,
947 const u8 cos_entry)
948{
949 struct bnx2x *bp = params->bp;
950 const u8 port = params->port;
951 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
952 DCBX_E3B0_MAX_NUM_COS_PORT0;
953
Dan Carpenter7e5998a2012-04-17 20:53:42 +0000954 if (pri >= max_num_of_cos) {
955 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
956 "parameter Illegal strict priority\n");
957 return -EINVAL;
958 }
959
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000960 if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000961 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
Joe Perches94f05b02011-08-14 12:16:20 +0000962 "parameter There can't be two COS's with "
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000963 "the same strict pri\n");
964 return -EINVAL;
965 }
966
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000967 sp_pri_to_cos[pri] = cos_entry;
968 return 0;
969
970}
971
972/******************************************************************************
973* Description:
974* Returns the correct value according to COS and priority in
975* the sp_pri_cli register.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000976*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000977******************************************************************************/
978static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
979 const u8 pri_set,
980 const u8 pri_offset,
981 const u8 entry_size)
982{
983 u64 pri_cli_nig = 0;
984 pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
985 (pri_set + pri_offset));
986
987 return pri_cli_nig;
988}
989/******************************************************************************
990* Description:
991* Returns the correct value according to COS and priority in the
992* sp_pri_cli register for NIG.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000993*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000994******************************************************************************/
995static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
996{
997 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
998 const u8 nig_cos_offset = 3;
999 const u8 nig_pri_offset = 3;
1000
1001 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
1002 nig_pri_offset, 4);
1003
1004}
1005/******************************************************************************
1006* Description:
1007* Returns the correct value according to COS and priority in the
1008* sp_pri_cli register for PBF.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001009*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001010******************************************************************************/
1011static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
1012{
1013 const u8 pbf_cos_offset = 0;
1014 const u8 pbf_pri_offset = 0;
1015
1016 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
1017 pbf_pri_offset, 3);
1018
1019}
1020
1021/******************************************************************************
1022* Description:
1023* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
1024* according to sp_pri_to_cos.(which COS has higher priority)
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001025*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001026******************************************************************************/
1027static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
1028 u8 *sp_pri_to_cos)
1029{
1030 struct bnx2x *bp = params->bp;
1031 u8 i = 0;
1032 const u8 port = params->port;
1033 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
1034 u64 pri_cli_nig = 0x210;
1035 u32 pri_cli_pbf = 0x0;
1036 u8 pri_set = 0;
1037 u8 pri_bitmask = 0;
1038 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1039 DCBX_E3B0_MAX_NUM_COS_PORT0;
1040
1041 u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
1042
1043 /* Set all the strict priority first */
1044 for (i = 0; i < max_num_of_cos; i++) {
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001045 if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
1046 if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001047 DP(NETIF_MSG_LINK,
1048 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1049 "invalid cos entry\n");
1050 return -EINVAL;
1051 }
1052
1053 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1054 sp_pri_to_cos[i], pri_set);
1055
1056 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1057 sp_pri_to_cos[i], pri_set);
1058 pri_bitmask = 1 << sp_pri_to_cos[i];
1059 /* COS is used remove it from bitmap.*/
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001060 if (!(pri_bitmask & cos_bit_to_set)) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001061 DP(NETIF_MSG_LINK,
1062 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1063 "invalid There can't be two COS's with"
1064 " the same strict pri\n");
1065 return -EINVAL;
1066 }
1067 cos_bit_to_set &= ~pri_bitmask;
1068 pri_set++;
1069 }
1070 }
1071
1072 /* Set all the Non strict priority i= COS*/
1073 for (i = 0; i < max_num_of_cos; i++) {
1074 pri_bitmask = 1 << i;
1075 /* Check if COS was already used for SP */
1076 if (pri_bitmask & cos_bit_to_set) {
1077 /* COS wasn't used for SP */
1078 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1079 i, pri_set);
1080
1081 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1082 i, pri_set);
1083 /* COS is used remove it from bitmap.*/
1084 cos_bit_to_set &= ~pri_bitmask;
1085 pri_set++;
1086 }
1087 }
1088
1089 if (pri_set != max_num_of_cos) {
1090 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
1091 "entries were set\n");
1092 return -EINVAL;
1093 }
1094
1095 if (port) {
1096 /* Only 6 usable clients*/
1097 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1098 (u32)pri_cli_nig);
1099
1100 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
1101 } else {
1102 /* Only 9 usable clients*/
1103 const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
1104 const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
1105
1106 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1107 pri_cli_nig_lsb);
1108 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1109 pri_cli_nig_msb);
1110
1111 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
1112 }
1113 return 0;
1114}
1115
1116/******************************************************************************
1117* Description:
1118* Configure the COS to ETS according to BW and SP settings.
1119******************************************************************************/
1120int bnx2x_ets_e3b0_config(const struct link_params *params,
1121 const struct link_vars *vars,
Yaniv Rosner870516e12011-11-28 00:49:46 +00001122 struct bnx2x_ets_params *ets_params)
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001123{
1124 struct bnx2x *bp = params->bp;
1125 int bnx2x_status = 0;
1126 const u8 port = params->port;
1127 u16 total_bw = 0;
1128 const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
1129 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
1130 u8 cos_bw_bitmap = 0;
1131 u8 cos_sp_bitmap = 0;
1132 u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
1133 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1134 DCBX_E3B0_MAX_NUM_COS_PORT0;
1135 u8 cos_entry = 0;
1136
1137 if (!CHIP_IS_E3B0(bp)) {
Joe Perches94f05b02011-08-14 12:16:20 +00001138 DP(NETIF_MSG_LINK,
1139 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001140 return -EINVAL;
1141 }
1142
1143 if ((ets_params->num_of_cos > max_num_of_cos)) {
1144 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
1145 "isn't supported\n");
1146 return -EINVAL;
1147 }
1148
1149 /* Prepare sp strict priority parameters*/
1150 bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1151
1152 /* Prepare BW parameters*/
1153 bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
1154 &total_bw);
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001155 if (bnx2x_status) {
Joe Perches94f05b02011-08-14 12:16:20 +00001156 DP(NETIF_MSG_LINK,
1157 "bnx2x_ets_E3B0_config get_total_bw failed\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001158 return -EINVAL;
1159 }
1160
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001161 /* Upper bound is set according to current link speed (min_w_val
Yaniv Rosner2f751a82011-11-28 00:49:52 +00001162 * should be the same for upper bound and COS credit val).
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001163 */
1164 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
1165 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1166
1167
1168 for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
1169 if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
1170 cos_bw_bitmap |= (1 << cos_entry);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001171 /* The function also sets the BW in HW(not the mappin
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001172 * yet)
1173 */
1174 bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
1175 bp, cos_entry, min_w_val_nig, min_w_val_pbf,
1176 total_bw,
1177 ets_params->cos[cos_entry].params.bw_params.bw,
1178 port);
1179 } else if (bnx2x_cos_state_strict ==
1180 ets_params->cos[cos_entry].state){
1181 cos_sp_bitmap |= (1 << cos_entry);
1182
1183 bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
1184 params,
1185 sp_pri_to_cos,
1186 ets_params->cos[cos_entry].params.sp_params.pri,
1187 cos_entry);
1188
1189 } else {
Joe Perches94f05b02011-08-14 12:16:20 +00001190 DP(NETIF_MSG_LINK,
1191 "bnx2x_ets_e3b0_config cos state not valid\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001192 return -EINVAL;
1193 }
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001194 if (bnx2x_status) {
Joe Perches94f05b02011-08-14 12:16:20 +00001195 DP(NETIF_MSG_LINK,
1196 "bnx2x_ets_e3b0_config set cos bw failed\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001197 return bnx2x_status;
1198 }
1199 }
1200
1201 /* Set SP register (which COS has higher priority) */
1202 bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
1203 sp_pri_to_cos);
1204
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001205 if (bnx2x_status) {
Joe Perches94f05b02011-08-14 12:16:20 +00001206 DP(NETIF_MSG_LINK,
1207 "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001208 return bnx2x_status;
1209 }
1210
1211 /* Set client mapping of BW and strict */
1212 bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
1213 cos_sp_bitmap,
1214 cos_bw_bitmap);
1215
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001216 if (bnx2x_status) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001217 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
1218 return bnx2x_status;
1219 }
1220 return 0;
1221}
Yaniv Rosner65a001b2011-01-31 04:22:03 +00001222static void bnx2x_ets_bw_limit_common(const struct link_params *params)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001223{
1224 /* ETS disabled configuration */
1225 struct bnx2x *bp = params->bp;
1226 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001227 /* Defines which entries (clients) are subjected to WFQ arbitration
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001228 * COS0 0x8
1229 * COS1 0x10
1230 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001231 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001232 /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001233 * client numbers (WEIGHT_0 does not actually have to represent
1234 * client 0)
1235 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1236 * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
1237 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001238 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
1239
1240 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
1241 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1242 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
1243 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1244
1245 /* ETS mode enabled*/
1246 REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
1247
1248 /* Defines the number of consecutive slots for the strict priority */
1249 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001250 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001251 * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
1252 * entry, 4 - COS1 entry.
1253 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1254 * bit4 bit3 bit2 bit1 bit0
1255 * MCP and debug are strict
1256 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001257 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
1258
1259 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
1260 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
1261 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1262 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
1263 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1264}
1265
1266void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
1267 const u32 cos1_bw)
1268{
1269 /* ETS disabled configuration*/
1270 struct bnx2x *bp = params->bp;
1271 const u32 total_bw = cos0_bw + cos1_bw;
1272 u32 cos0_credit_weight = 0;
1273 u32 cos1_credit_weight = 0;
1274
1275 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1276
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001277 if ((!total_bw) ||
1278 (!cos0_bw) ||
1279 (!cos1_bw)) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001280 DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001281 return;
1282 }
1283
1284 cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1285 total_bw;
1286 cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1287 total_bw;
1288
1289 bnx2x_ets_bw_limit_common(params);
1290
1291 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
1292 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
1293
1294 REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
1295 REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
1296}
1297
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001298int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001299{
1300 /* ETS disabled configuration*/
1301 struct bnx2x *bp = params->bp;
1302 u32 val = 0;
1303
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001304 DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001305 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001306 * as strict. Bits 0,1,2 - debug and management entries,
1307 * 3 - COS0 entry, 4 - COS1 entry.
1308 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1309 * bit4 bit3 bit2 bit1 bit0
1310 * MCP and debug are strict
1311 */
1312 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001313 /* For strict priority entries defines the number of consecutive slots
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001314 * for the highest priority.
1315 */
1316 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1317 /* ETS mode disable */
1318 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
1319 /* Defines the number of consecutive slots for the strict priority */
1320 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
1321
1322 /* Defines the number of consecutive slots for the strict priority */
1323 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
1324
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001325 /* Mapping between entry priority to client number (0,1,2 -debug and
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001326 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
1327 * 3bits client num.
1328 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1329 * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
1330 * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
1331 */
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001332 val = (!strict_cos) ? 0x2318 : 0x22E0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001333 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
1334
1335 return 0;
1336}
Yuval Mintzc8c60d82012-06-06 17:13:07 +00001337
1338/******************************************************************/
Dmitry Kravkove8920672011-05-04 23:52:40 +00001339/* PFC section */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001340/******************************************************************/
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001341static void bnx2x_update_pfc_xmac(struct link_params *params,
1342 struct link_vars *vars,
1343 u8 is_lb)
1344{
1345 struct bnx2x *bp = params->bp;
1346 u32 xmac_base;
1347 u32 pause_val, pfc0_val, pfc1_val;
1348
1349 /* XMAC base adrr */
1350 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1351
1352 /* Initialize pause and pfc registers */
1353 pause_val = 0x18000;
1354 pfc0_val = 0xFFFF8000;
1355 pfc1_val = 0x2;
1356
1357 /* No PFC support */
1358 if (!(params->feature_config_flags &
1359 FEATURE_CONFIG_PFC_ENABLED)) {
1360
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001361 /* RX flow control - Process pause frame in receive direction
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001362 */
1363 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1364 pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
1365
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001366 /* TX flow control - Send pause packet when buffer is full */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001367 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1368 pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
1369 } else {/* PFC support */
1370 pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
1371 XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
1372 XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
Yaniv Rosner27d91292012-04-04 01:28:54 +00001373 XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
1374 XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1375 /* Write pause and PFC registers */
1376 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1377 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1378 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1379 pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1380
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001381 }
1382
1383 /* Write pause and PFC registers */
1384 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1385 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1386 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1387
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001388
1389 /* Set MAC address for source TX Pause/PFC frames */
1390 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
1391 ((params->mac_addr[2] << 24) |
1392 (params->mac_addr[3] << 16) |
1393 (params->mac_addr[4] << 8) |
1394 (params->mac_addr[5])));
1395 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
1396 ((params->mac_addr[0] << 8) |
1397 (params->mac_addr[1])));
1398
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001399 udelay(30);
1400}
1401
1402
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001403static void bnx2x_emac_get_pfc_stat(struct link_params *params,
1404 u32 pfc_frames_sent[2],
1405 u32 pfc_frames_received[2])
1406{
1407 /* Read pfc statistic */
1408 struct bnx2x *bp = params->bp;
1409 u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1410 u32 val_xon = 0;
1411 u32 val_xoff = 0;
1412
1413 DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
1414
1415 /* PFC received frames */
1416 val_xoff = REG_RD(bp, emac_base +
1417 EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
1418 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
1419 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
1420 val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
1421
1422 pfc_frames_received[0] = val_xon + val_xoff;
1423
1424 /* PFC received sent */
1425 val_xoff = REG_RD(bp, emac_base +
1426 EMAC_REG_RX_PFC_STATS_XOFF_SENT);
1427 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
1428 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
1429 val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
1430
1431 pfc_frames_sent[0] = val_xon + val_xoff;
1432}
1433
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001434/* Read pfc statistic*/
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001435void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
1436 u32 pfc_frames_sent[2],
1437 u32 pfc_frames_received[2])
1438{
1439 /* Read pfc statistic */
1440 struct bnx2x *bp = params->bp;
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001441
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001442 DP(NETIF_MSG_LINK, "pfc statistic\n");
1443
1444 if (!vars->link_up)
1445 return;
1446
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001447 if (vars->mac_type == MAC_TYPE_EMAC) {
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001448 DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001449 bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
1450 pfc_frames_received);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001451 }
1452}
1453/******************************************************************/
1454/* MAC/PBF section */
1455/******************************************************************/
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001456static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id,
1457 u32 emac_base)
Yaniv Rosnera198c142011-05-31 21:29:42 +00001458{
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001459 u32 new_mode, cur_mode;
1460 u32 clc_cnt;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001461 /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
Yaniv Rosnera198c142011-05-31 21:29:42 +00001462 * (a value of 49==0x31) and make sure that the AUTO poll is off
1463 */
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001464 cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
Yaniv Rosnera198c142011-05-31 21:29:42 +00001465
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00001466 if (USES_WARPCORE(bp))
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001467 clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00001468 else
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001469 clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
Yaniv Rosnera198c142011-05-31 21:29:42 +00001470
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001471 if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
1472 (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
1473 return;
Yaniv Rosnera198c142011-05-31 21:29:42 +00001474
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001475 new_mode = cur_mode &
1476 ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
1477 new_mode |= clc_cnt;
1478 new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
1479
1480 DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n",
1481 cur_mode, new_mode);
1482 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
Yaniv Rosnera198c142011-05-31 21:29:42 +00001483 udelay(40);
1484}
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001485
1486static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp,
1487 struct link_params *params)
1488{
1489 u8 phy_index;
1490 /* Set mdio clock per phy */
1491 for (phy_index = INT_PHY; phy_index < params->num_phys;
1492 phy_index++)
1493 bnx2x_set_mdio_clk(bp, params->chip_id,
1494 params->phy[phy_index].mdio_ctrl);
1495}
1496
Yaniv Rosner2f751a82011-11-28 00:49:52 +00001497static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
1498{
1499 u32 port4mode_ovwr_val;
1500 /* Check 4-port override enabled */
1501 port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
1502 if (port4mode_ovwr_val & (1<<0)) {
1503 /* Return 4-port mode override value */
1504 return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
1505 }
1506 /* Return 4-port mode from input pin */
1507 return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
1508}
Yaniv Rosnera198c142011-05-31 21:29:42 +00001509
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001510static void bnx2x_emac_init(struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001511 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001512{
1513 /* reset and unreset the emac core */
1514 struct bnx2x *bp = params->bp;
1515 u8 port = params->port;
1516 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1517 u32 val;
1518 u16 timeout;
1519
1520 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001521 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001522 udelay(5);
1523 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001524 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001525
1526 /* init emac - use read-modify-write */
1527 /* self clear reset */
1528 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
Eilon Greenstein3196a882008-08-13 15:58:49 -07001529 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001530
1531 timeout = 200;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001532 do {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001533 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1534 DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
1535 if (!timeout) {
1536 DP(NETIF_MSG_LINK, "EMAC timeout!\n");
1537 return;
1538 }
1539 timeout--;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001540 } while (val & EMAC_MODE_RESET);
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001541
1542 bnx2x_set_mdio_emac_per_phy(bp, params);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001543 /* Set mac address */
1544 val = ((params->mac_addr[0] << 8) |
1545 params->mac_addr[1]);
Eilon Greenstein3196a882008-08-13 15:58:49 -07001546 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001547
1548 val = ((params->mac_addr[2] << 24) |
1549 (params->mac_addr[3] << 16) |
1550 (params->mac_addr[4] << 8) |
1551 params->mac_addr[5]);
Eilon Greenstein3196a882008-08-13 15:58:49 -07001552 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001553}
1554
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001555static void bnx2x_set_xumac_nig(struct link_params *params,
1556 u16 tx_pause_en,
1557 u8 enable)
1558{
1559 struct bnx2x *bp = params->bp;
1560
1561 REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
1562 enable);
1563 REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
1564 enable);
1565 REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
1566 NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
1567}
1568
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001569static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001570{
1571 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001572 u32 val;
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001573 struct bnx2x *bp = params->bp;
1574 if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
1575 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
1576 return;
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001577 val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
1578 if (en)
1579 val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
1580 UMAC_COMMAND_CONFIG_REG_RX_ENA);
1581 else
1582 val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
1583 UMAC_COMMAND_CONFIG_REG_RX_ENA);
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001584 /* Disable RX and TX */
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001585 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001586}
1587
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001588static void bnx2x_umac_enable(struct link_params *params,
1589 struct link_vars *vars, u8 lb)
1590{
1591 u32 val;
1592 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1593 struct bnx2x *bp = params->bp;
1594 /* Reset UMAC */
1595 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1596 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
Yuval Mintzd2310232012-06-20 19:05:19 +00001597 usleep_range(1000, 2000);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001598
1599 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1600 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1601
1602 DP(NETIF_MSG_LINK, "enabling UMAC\n");
1603
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001604 /* This register opens the gate for the UMAC despite its name */
1605 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
1606
1607 val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
1608 UMAC_COMMAND_CONFIG_REG_PAD_EN |
1609 UMAC_COMMAND_CONFIG_REG_SW_RESET |
1610 UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
1611 switch (vars->line_speed) {
1612 case SPEED_10:
1613 val |= (0<<2);
1614 break;
1615 case SPEED_100:
1616 val |= (1<<2);
1617 break;
1618 case SPEED_1000:
1619 val |= (2<<2);
1620 break;
1621 case SPEED_2500:
1622 val |= (3<<2);
1623 break;
1624 default:
1625 DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
1626 vars->line_speed);
1627 break;
1628 }
Yaniv Rosner9d5b36b2011-08-02 22:59:10 +00001629 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1630 val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
1631
1632 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1633 val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
1634
Mintz Yuvale18c56b2012-02-15 02:10:23 +00001635 if (vars->duplex == DUPLEX_HALF)
1636 val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
1637
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001638 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1639 udelay(50);
1640
Yuval Mintz26964bb2012-09-10 05:51:08 +00001641 /* Configure UMAC for EEE */
1642 if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1643 DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
1644 REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
1645 UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
1646 REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
1647 } else {
1648 REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
1649 }
1650
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001651 /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
1652 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
1653 ((params->mac_addr[2] << 24) |
1654 (params->mac_addr[3] << 16) |
1655 (params->mac_addr[4] << 8) |
1656 (params->mac_addr[5])));
1657 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
1658 ((params->mac_addr[0] << 8) |
1659 (params->mac_addr[1])));
1660
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001661 /* Enable RX and TX */
1662 val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
1663 val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00001664 UMAC_COMMAND_CONFIG_REG_RX_ENA;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001665 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1666 udelay(50);
1667
1668 /* Remove SW Reset */
1669 val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
1670
1671 /* Check loopback mode */
1672 if (lb)
1673 val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
1674 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1675
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001676 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001677 * length used by the MAC receive logic to check frames.
1678 */
1679 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
1680 bnx2x_set_xumac_nig(params,
1681 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1682 vars->mac_type = MAC_TYPE_UMAC;
1683
1684}
1685
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001686/* Define the XMAC mode */
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001687static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001688{
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001689 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001690 u32 is_port4mode = bnx2x_is_4_port_mode(bp);
1691
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001692 /* In 4-port mode, need to set the mode only once, so if XMAC is
Yaniv Rosner2f751a82011-11-28 00:49:52 +00001693 * already out of reset, it means the mode has already been set,
1694 * and it must not* reset the XMAC again, since it controls both
1695 * ports of the path
1696 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001697
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00001698 if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
1699 (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
1700 (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
1701 is_port4mode &&
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001702 (REG_RD(bp, MISC_REG_RESET_REG_2) &
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001703 MISC_REGISTERS_RESET_REG_2_XMAC)) {
Joe Perches94f05b02011-08-14 12:16:20 +00001704 DP(NETIF_MSG_LINK,
1705 "XMAC already out of reset in 4-port mode\n");
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001706 return;
1707 }
1708
1709 /* Hard reset */
1710 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1711 MISC_REGISTERS_RESET_REG_2_XMAC);
Yuval Mintzd2310232012-06-20 19:05:19 +00001712 usleep_range(1000, 2000);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001713
1714 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1715 MISC_REGISTERS_RESET_REG_2_XMAC);
1716 if (is_port4mode) {
1717 DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
1718
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001719 /* Set the number of ports on the system side to up to 2 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001720 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
1721
1722 /* Set the number of ports on the Warp Core to 10G */
1723 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1724 } else {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001725 /* Set the number of ports on the system side to 1 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001726 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
1727 if (max_speed == SPEED_10000) {
Joe Perches94f05b02011-08-14 12:16:20 +00001728 DP(NETIF_MSG_LINK,
1729 "Init XMAC to 10G x 1 port per path\n");
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001730 /* Set the number of ports on the Warp Core to 10G */
1731 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1732 } else {
Joe Perches94f05b02011-08-14 12:16:20 +00001733 DP(NETIF_MSG_LINK,
1734 "Init XMAC to 20G x 2 ports per path\n");
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001735 /* Set the number of ports on the Warp Core to 20G */
1736 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
1737 }
1738 }
1739 /* Soft reset */
1740 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1741 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
Yuval Mintzd2310232012-06-20 19:05:19 +00001742 usleep_range(1000, 2000);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001743
1744 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1745 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1746
1747}
1748
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001749static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001750{
1751 u8 port = params->port;
1752 struct bnx2x *bp = params->bp;
Yaniv Rosnerb5077662011-08-02 22:59:18 +00001753 u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001754 u32 val;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001755
1756 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1757 MISC_REGISTERS_RESET_REG_2_XMAC) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001758 /* Send an indication to change the state in the NIG back to XON
Yaniv Rosnerb5077662011-08-02 22:59:18 +00001759 * Clearing this bit enables the next set of this bit to get
1760 * rising edge
1761 */
1762 pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
1763 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1764 (pfc_ctrl & ~(1<<1)));
1765 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1766 (pfc_ctrl | (1<<1)));
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001767 DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001768 val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
1769 if (en)
1770 val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1771 else
1772 val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1773 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001774 }
1775}
1776
1777static int bnx2x_xmac_enable(struct link_params *params,
1778 struct link_vars *vars, u8 lb)
1779{
1780 u32 val, xmac_base;
1781 struct bnx2x *bp = params->bp;
1782 DP(NETIF_MSG_LINK, "enabling XMAC\n");
1783
1784 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1785
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001786 bnx2x_xmac_init(params, vars->line_speed);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001787
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001788 /* This register determines on which events the MAC will assert
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001789 * error on the i/f to the NIG along w/ EOP.
1790 */
1791
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001792 /* This register tells the NIG whether to send traffic to UMAC
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001793 * or XMAC
1794 */
1795 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
1796
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00001797 /* When XMAC is in XLGMII mode, disable sending idles for fault
1798 * detection.
1799 */
1800 if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
1801 REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
1802 (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
1803 XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
1804 REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
1805 REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
1806 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
1807 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
1808 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001809 /* Set Max packet size */
1810 REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
1811
1812 /* CRC append for Tx packets */
1813 REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
1814
1815 /* update PFC */
1816 bnx2x_update_pfc_xmac(params, vars, 0);
1817
Yuval Mintzc8c60d82012-06-06 17:13:07 +00001818 if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1819 DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
1820 REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
1821 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
1822 } else {
1823 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
1824 }
1825
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001826 /* Enable TX and RX */
1827 val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
1828
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00001829 /* Set MAC in XLGMII mode for dual-mode */
1830 if ((vars->line_speed == SPEED_20000) &&
1831 (params->phy[INT_PHY].supported &
1832 SUPPORTED_20000baseKR2_Full))
1833 val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
1834
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001835 /* Check loopback mode */
1836 if (lb)
David S. Miller8decf862011-09-22 03:23:13 -04001837 val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001838 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1839 bnx2x_set_xumac_nig(params,
1840 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1841
1842 vars->mac_type = MAC_TYPE_XMAC;
1843
1844 return 0;
1845}
Yaniv Rosner2f751a82011-11-28 00:49:52 +00001846
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001847static int bnx2x_emac_enable(struct link_params *params,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00001848 struct link_vars *vars, u8 lb)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001849{
1850 struct bnx2x *bp = params->bp;
1851 u8 port = params->port;
1852 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1853 u32 val;
1854
1855 DP(NETIF_MSG_LINK, "enabling EMAC\n");
1856
Yaniv Rosnerde6f3372011-08-02 22:59:25 +00001857 /* Disable BMAC */
1858 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1859 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1860
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001861 /* enable emac and not bmac */
1862 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
1863
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001864 /* ASIC */
1865 if (vars->phy_flags & PHY_XGXS_FLAG) {
1866 u32 ser_lane = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001867 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1868 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001869
1870 DP(NETIF_MSG_LINK, "XGXS\n");
1871 /* select the master lanes (out of 0-3) */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001872 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001873 /* select XGXS */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001874 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001875
1876 } else { /* SerDes */
1877 DP(NETIF_MSG_LINK, "SerDes\n");
1878 /* select SerDes */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001879 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001880 }
1881
Eilon Greenstein811a2f22009-02-12 08:37:04 +00001882 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001883 EMAC_RX_MODE_RESET);
Eilon Greenstein811a2f22009-02-12 08:37:04 +00001884 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001885 EMAC_TX_MODE_RESET);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001886
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001887 /* pause enable/disable */
1888 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1889 EMAC_RX_MODE_FLOW_EN);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001890
1891 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001892 (EMAC_TX_MODE_EXT_PAUSE_EN |
1893 EMAC_TX_MODE_FLOW_EN));
1894 if (!(params->feature_config_flags &
1895 FEATURE_CONFIG_PFC_ENABLED)) {
1896 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1897 bnx2x_bits_en(bp, emac_base +
1898 EMAC_REG_EMAC_RX_MODE,
1899 EMAC_RX_MODE_FLOW_EN);
1900
1901 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1902 bnx2x_bits_en(bp, emac_base +
1903 EMAC_REG_EMAC_TX_MODE,
1904 (EMAC_TX_MODE_EXT_PAUSE_EN |
1905 EMAC_TX_MODE_FLOW_EN));
1906 } else
1907 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1908 EMAC_TX_MODE_FLOW_EN);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001909
1910 /* KEEP_VLAN_TAG, promiscuous */
1911 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
1912 val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001913
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001914 /* Setting this bit causes MAC control frames (except for pause
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001915 * frames) to be passed on for processing. This setting has no
1916 * affect on the operation of the pause frames. This bit effects
1917 * all packets regardless of RX Parser packet sorting logic.
1918 * Turn the PFC off to make sure we are in Xon state before
1919 * enabling it.
1920 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001921 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
1922 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1923 DP(NETIF_MSG_LINK, "PFC is enabled\n");
1924 /* Enable PFC again */
1925 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
1926 EMAC_REG_RX_PFC_MODE_RX_EN |
1927 EMAC_REG_RX_PFC_MODE_TX_EN |
1928 EMAC_REG_RX_PFC_MODE_PRIORITIES);
1929
1930 EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
1931 ((0x0101 <<
1932 EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
1933 (0x00ff <<
1934 EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
1935 val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
1936 }
Eilon Greenstein3196a882008-08-13 15:58:49 -07001937 EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001938
1939 /* Set Loopback */
1940 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1941 if (lb)
1942 val |= 0x810;
1943 else
1944 val &= ~0x810;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001945 EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001946
Yuval Mintzd2310232012-06-20 19:05:19 +00001947 /* Enable emac */
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001948 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
1949
Yuval Mintzd2310232012-06-20 19:05:19 +00001950 /* Enable emac for jumbo packets */
Eilon Greenstein3196a882008-08-13 15:58:49 -07001951 EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001952 (EMAC_RX_MTU_SIZE_JUMBO_ENA |
1953 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
1954
Yuval Mintzd2310232012-06-20 19:05:19 +00001955 /* Strip CRC */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001956 REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
1957
Yuval Mintzd2310232012-06-20 19:05:19 +00001958 /* Disable the NIG in/out to the bmac */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001959 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
1960 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
1961 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
1962
Yuval Mintzd2310232012-06-20 19:05:19 +00001963 /* Enable the NIG in/out to the emac */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001964 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
1965 val = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001966 if ((params->feature_config_flags &
1967 FEATURE_CONFIG_PFC_ENABLED) ||
1968 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001969 val = 1;
1970
1971 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
1972 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
1973
Yaniv Rosner02a23162011-01-31 04:22:53 +00001974 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001975
1976 vars->mac_type = MAC_TYPE_EMAC;
1977 return 0;
1978}
1979
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001980static void bnx2x_update_pfc_bmac1(struct link_params *params,
1981 struct link_vars *vars)
1982{
1983 u32 wb_data[2];
1984 struct bnx2x *bp = params->bp;
1985 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1986 NIG_REG_INGRESS_BMAC0_MEM;
1987
1988 u32 val = 0x14;
1989 if ((!(params->feature_config_flags &
1990 FEATURE_CONFIG_PFC_ENABLED)) &&
1991 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1992 /* Enable BigMAC to react on received Pause packets */
1993 val |= (1<<5);
1994 wb_data[0] = val;
1995 wb_data[1] = 0;
1996 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
1997
Yuval Mintzd2310232012-06-20 19:05:19 +00001998 /* TX control */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001999 val = 0xc0;
2000 if (!(params->feature_config_flags &
2001 FEATURE_CONFIG_PFC_ENABLED) &&
2002 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2003 val |= 0x800000;
2004 wb_data[0] = val;
2005 wb_data[1] = 0;
2006 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
2007}
2008
2009static void bnx2x_update_pfc_bmac2(struct link_params *params,
2010 struct link_vars *vars,
2011 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002012{
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002013 /* Set rx control: Strip CRC and enable BigMAC to relay
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002014 * control packets to the system as well
2015 */
2016 u32 wb_data[2];
2017 struct bnx2x *bp = params->bp;
2018 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
2019 NIG_REG_INGRESS_BMAC0_MEM;
2020 u32 val = 0x14;
2021
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002022 if ((!(params->feature_config_flags &
2023 FEATURE_CONFIG_PFC_ENABLED)) &&
2024 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002025 /* Enable BigMAC to react on received Pause packets */
2026 val |= (1<<5);
2027 wb_data[0] = val;
2028 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002029 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002030 udelay(30);
2031
2032 /* Tx control */
2033 val = 0xc0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002034 if (!(params->feature_config_flags &
2035 FEATURE_CONFIG_PFC_ENABLED) &&
2036 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002037 val |= 0x800000;
2038 wb_data[0] = val;
2039 wb_data[1] = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002040 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002041
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002042 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
2043 DP(NETIF_MSG_LINK, "PFC is enabled\n");
2044 /* Enable PFC RX & TX & STATS and set 8 COS */
2045 wb_data[0] = 0x0;
2046 wb_data[0] |= (1<<0); /* RX */
2047 wb_data[0] |= (1<<1); /* TX */
2048 wb_data[0] |= (1<<2); /* Force initial Xon */
2049 wb_data[0] |= (1<<3); /* 8 cos */
2050 wb_data[0] |= (1<<5); /* STATS */
2051 wb_data[1] = 0;
2052 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
2053 wb_data, 2);
2054 /* Clear the force Xon */
2055 wb_data[0] &= ~(1<<2);
2056 } else {
2057 DP(NETIF_MSG_LINK, "PFC is disabled\n");
Yuval Mintzd2310232012-06-20 19:05:19 +00002058 /* Disable PFC RX & TX & STATS and set 8 COS */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002059 wb_data[0] = 0x8;
2060 wb_data[1] = 0;
2061 }
2062
2063 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
2064
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002065 /* Set Time (based unit is 512 bit time) between automatic
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002066 * re-sending of PP packets amd enable automatic re-send of
2067 * Per-Priroity Packet as long as pp_gen is asserted and
2068 * pp_disable is low.
2069 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002070 val = 0x8000;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002071 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2072 val |= (1<<16); /* enable automatic re-send */
2073
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002074 wb_data[0] = val;
2075 wb_data[1] = 0;
2076 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002077 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002078
2079 /* mac control */
2080 val = 0x3; /* Enable RX and TX */
2081 if (is_lb) {
2082 val |= 0x4; /* Local loopback */
2083 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2084 }
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002085 /* When PFC enabled, Pass pause frames towards the NIG. */
2086 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2087 val |= ((1<<6)|(1<<5));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002088
2089 wb_data[0] = val;
2090 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002091 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002092}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002093
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002094/******************************************************************************
2095* Description:
2096* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2097* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2098******************************************************************************/
Yuval Mintzd2310232012-06-20 19:05:19 +00002099static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
2100 u8 cos_entry,
2101 u32 priority_mask, u8 port)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002102{
2103 u32 nig_reg_rx_priority_mask_add = 0;
2104
2105 switch (cos_entry) {
2106 case 0:
2107 nig_reg_rx_priority_mask_add = (port) ?
2108 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2109 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2110 break;
2111 case 1:
2112 nig_reg_rx_priority_mask_add = (port) ?
2113 NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2114 NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2115 break;
2116 case 2:
2117 nig_reg_rx_priority_mask_add = (port) ?
2118 NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2119 NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2120 break;
2121 case 3:
2122 if (port)
2123 return -EINVAL;
2124 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2125 break;
2126 case 4:
2127 if (port)
2128 return -EINVAL;
2129 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2130 break;
2131 case 5:
2132 if (port)
2133 return -EINVAL;
2134 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2135 break;
2136 }
2137
2138 REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
2139
2140 return 0;
2141}
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00002142static void bnx2x_update_mng(struct link_params *params, u32 link_status)
2143{
2144 struct bnx2x *bp = params->bp;
2145
2146 REG_WR(bp, params->shmem_base +
2147 offsetof(struct shmem_region,
2148 port_mb[params->port].link_status), link_status);
2149}
2150
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00002151static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
2152{
2153 struct bnx2x *bp = params->bp;
2154
2155 if (SHMEM2_HAS(bp, link_attr_sync))
2156 REG_WR(bp, params->shmem2_base +
2157 offsetof(struct shmem2_region,
2158 link_attr_sync[params->port]), link_attr);
2159}
2160
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002161static void bnx2x_update_pfc_nig(struct link_params *params,
2162 struct link_vars *vars,
2163 struct bnx2x_nig_brb_pfc_port_params *nig_params)
2164{
2165 u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
Yaniv Rosner127302b2012-01-17 02:33:26 +00002166 u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002167 u32 pkt_priority_to_cos = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002168 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002169 u8 port = params->port;
2170
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002171 int set_pfc = params->feature_config_flags &
2172 FEATURE_CONFIG_PFC_ENABLED;
2173 DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
2174
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002175 /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002176 * MAC control frames (that are not pause packets)
2177 * will be forwarded to the XCM.
2178 */
Yaniv Rosner127302b2012-01-17 02:33:26 +00002179 xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
2180 NIG_REG_LLH0_XCM_MASK);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002181 /* NIG params will override non PFC params, since it's possible to
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002182 * do transition from PFC to SAFC
2183 */
2184 if (set_pfc) {
2185 pause_enable = 0;
2186 llfc_out_en = 0;
2187 llfc_enable = 0;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002188 if (CHIP_IS_E3(bp))
2189 ppp_enable = 0;
2190 else
Yaniv Rosner503976e2012-11-27 03:46:34 +00002191 ppp_enable = 1;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002192 xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2193 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
Yaniv Rosner127302b2012-01-17 02:33:26 +00002194 xcm_out_en = 0;
2195 hwpfc_enable = 1;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002196 } else {
2197 if (nig_params) {
2198 llfc_out_en = nig_params->llfc_out_en;
2199 llfc_enable = nig_params->llfc_enable;
2200 pause_enable = nig_params->pause_enable;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002201 } else /* Default non PFC mode - PAUSE */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002202 pause_enable = 1;
2203
2204 xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2205 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
Yaniv Rosner127302b2012-01-17 02:33:26 +00002206 xcm_out_en = 1;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002207 }
2208
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002209 if (CHIP_IS_E3(bp))
2210 REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2211 NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002212 REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
2213 NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2214 REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
2215 NIG_REG_LLFC_ENABLE_0, llfc_enable);
2216 REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
2217 NIG_REG_PAUSE_ENABLE_0, pause_enable);
2218
2219 REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
2220 NIG_REG_PPP_ENABLE_0, ppp_enable);
2221
2222 REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
2223 NIG_REG_LLH0_XCM_MASK, xcm_mask);
2224
Yaniv Rosner127302b2012-01-17 02:33:26 +00002225 REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
2226 NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002227
Yuval Mintzd2310232012-06-20 19:05:19 +00002228 /* Output enable for RX_XCM # IF */
Yaniv Rosner127302b2012-01-17 02:33:26 +00002229 REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
2230 NIG_REG_XCM0_OUT_EN, xcm_out_en);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002231
2232 /* HW PFC TX enable */
Yaniv Rosner127302b2012-01-17 02:33:26 +00002233 REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
2234 NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002235
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002236 if (nig_params) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002237 u8 i = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002238 pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
2239
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002240 for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
2241 bnx2x_pfc_nig_rx_priority_mask(bp, i,
2242 nig_params->rx_cos_priority_mask[i], port);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002243
2244 REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
2245 NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
2246 nig_params->llfc_high_priority_classes);
2247
2248 REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
2249 NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
2250 nig_params->llfc_low_priority_classes);
2251 }
2252 REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
2253 NIG_REG_P0_PKT_PRIORITY_TO_COS,
2254 pkt_priority_to_cos);
2255}
2256
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002257int bnx2x_update_pfc(struct link_params *params,
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002258 struct link_vars *vars,
2259 struct bnx2x_nig_brb_pfc_port_params *pfc_params)
2260{
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002261 /* The PFC and pause are orthogonal to one another, meaning when
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002262 * PFC is enabled, the pause are disabled, and when PFC is
2263 * disabled, pause are set according to the pause result.
2264 */
2265 u32 val;
2266 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002267 int bnx2x_status = 0;
2268 u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00002269
2270 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2271 vars->link_status |= LINK_STATUS_PFC_ENABLED;
2272 else
2273 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
2274
2275 bnx2x_update_mng(params, vars->link_status);
2276
Yuval Mintzd2310232012-06-20 19:05:19 +00002277 /* Update NIG params */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002278 bnx2x_update_pfc_nig(params, vars, pfc_params);
2279
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002280 if (!vars->link_up)
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002281 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002282
2283 DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
Yaniv Rosner375944c2012-09-11 04:34:10 +00002284
2285 if (CHIP_IS_E3(bp)) {
2286 if (vars->mac_type == MAC_TYPE_XMAC)
2287 bnx2x_update_pfc_xmac(params, vars, 0);
2288 } else {
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002289 val = REG_RD(bp, MISC_REG_RESET_REG_2);
2290 if ((val &
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00002291 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002292 == 0) {
2293 DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
2294 bnx2x_emac_enable(params, vars, 0);
2295 return bnx2x_status;
2296 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002297 if (CHIP_IS_E2(bp))
2298 bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
2299 else
2300 bnx2x_update_pfc_bmac1(params, vars);
2301
2302 val = 0;
2303 if ((params->feature_config_flags &
2304 FEATURE_CONFIG_PFC_ENABLED) ||
2305 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2306 val = 1;
2307 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2308 }
2309 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002310}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002311
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002312static int bnx2x_bmac1_enable(struct link_params *params,
2313 struct link_vars *vars,
2314 u8 is_lb)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002315{
2316 struct bnx2x *bp = params->bp;
2317 u8 port = params->port;
2318 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2319 NIG_REG_INGRESS_BMAC0_MEM;
2320 u32 wb_data[2];
2321 u32 val;
2322
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002323 DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002324
2325 /* XGXS control */
2326 wb_data[0] = 0x3c;
2327 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002328 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2329 wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002330
Yuval Mintzd2310232012-06-20 19:05:19 +00002331 /* TX MAC SA */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002332 wb_data[0] = ((params->mac_addr[2] << 24) |
2333 (params->mac_addr[3] << 16) |
2334 (params->mac_addr[4] << 8) |
2335 params->mac_addr[5]);
2336 wb_data[1] = ((params->mac_addr[0] << 8) |
2337 params->mac_addr[1]);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002338 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002339
Yuval Mintzd2310232012-06-20 19:05:19 +00002340 /* MAC control */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002341 val = 0x3;
2342 if (is_lb) {
2343 val |= 0x4;
2344 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2345 }
2346 wb_data[0] = val;
2347 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002348 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002349
Yuval Mintzd2310232012-06-20 19:05:19 +00002350 /* Set rx mtu */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002351 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2352 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002353 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002354
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002355 bnx2x_update_pfc_bmac1(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002356
Yuval Mintzd2310232012-06-20 19:05:19 +00002357 /* Set tx mtu */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002358 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2359 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002360 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002361
Yuval Mintzd2310232012-06-20 19:05:19 +00002362 /* Set cnt max size */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002363 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2364 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002365 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002366
Yuval Mintzd2310232012-06-20 19:05:19 +00002367 /* Configure SAFC */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002368 wb_data[0] = 0x1000200;
2369 wb_data[1] = 0;
2370 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2371 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002372
2373 return 0;
2374}
2375
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002376static int bnx2x_bmac2_enable(struct link_params *params,
2377 struct link_vars *vars,
2378 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002379{
2380 struct bnx2x *bp = params->bp;
2381 u8 port = params->port;
2382 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2383 NIG_REG_INGRESS_BMAC0_MEM;
2384 u32 wb_data[2];
2385
2386 DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
2387
2388 wb_data[0] = 0;
2389 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002390 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002391 udelay(30);
2392
2393 /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2394 wb_data[0] = 0x3c;
2395 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002396 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2397 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002398
2399 udelay(30);
2400
Yuval Mintzd2310232012-06-20 19:05:19 +00002401 /* TX MAC SA */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002402 wb_data[0] = ((params->mac_addr[2] << 24) |
2403 (params->mac_addr[3] << 16) |
2404 (params->mac_addr[4] << 8) |
2405 params->mac_addr[5]);
2406 wb_data[1] = ((params->mac_addr[0] << 8) |
2407 params->mac_addr[1]);
2408 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002409 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002410
2411 udelay(30);
2412
2413 /* Configure SAFC */
2414 wb_data[0] = 0x1000200;
2415 wb_data[1] = 0;
2416 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002417 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002418 udelay(30);
2419
Yuval Mintzd2310232012-06-20 19:05:19 +00002420 /* Set RX MTU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002421 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2422 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002423 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002424 udelay(30);
2425
Yuval Mintzd2310232012-06-20 19:05:19 +00002426 /* Set TX MTU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002427 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2428 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002429 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002430 udelay(30);
Yuval Mintzd2310232012-06-20 19:05:19 +00002431 /* Set cnt max size */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002432 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
2433 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002434 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002435 udelay(30);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002436 bnx2x_update_pfc_bmac2(params, vars, is_lb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002437
2438 return 0;
2439}
2440
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002441static int bnx2x_bmac_enable(struct link_params *params,
2442 struct link_vars *vars,
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00002443 u8 is_lb, u8 reset_bmac)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002444{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002445 int rc = 0;
2446 u8 port = params->port;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002447 struct bnx2x *bp = params->bp;
2448 u32 val;
Yuval Mintzd2310232012-06-20 19:05:19 +00002449 /* Reset and unreset the BigMac */
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00002450 if (reset_bmac) {
2451 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2452 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2453 usleep_range(1000, 2000);
2454 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002455
2456 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002457 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002458
Yuval Mintzd2310232012-06-20 19:05:19 +00002459 /* Enable access for bmac registers */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002460 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2461
2462 /* Enable BMAC according to BMAC type*/
2463 if (CHIP_IS_E2(bp))
2464 rc = bnx2x_bmac2_enable(params, vars, is_lb);
2465 else
2466 rc = bnx2x_bmac1_enable(params, vars, is_lb);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002467 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2468 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2469 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2470 val = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002471 if ((params->feature_config_flags &
2472 FEATURE_CONFIG_PFC_ENABLED) ||
2473 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002474 val = 1;
2475 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2476 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2477 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2478 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2479 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2480 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2481
2482 vars->mac_type = MAC_TYPE_BMAC;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002483 return rc;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002484}
2485
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00002486static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002487{
2488 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002489 NIG_REG_INGRESS_BMAC0_MEM;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002490 u32 wb_data[2];
Eilon Greenstein3196a882008-08-13 15:58:49 -07002491 u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002492
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00002493 if (CHIP_IS_E2(bp))
2494 bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
2495 else
2496 bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002497 /* Only if the bmac is out of reset */
2498 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
2499 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2500 nig_bmac_enable) {
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00002501 /* Clear Rx Enable bit in BMAC_CONTROL register */
2502 REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
2503 if (en)
2504 wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
2505 else
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002506 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00002507 REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
Yuval Mintzd2310232012-06-20 19:05:19 +00002508 usleep_range(1000, 2000);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002509 }
2510}
2511
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002512static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
2513 u32 line_speed)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002514{
2515 struct bnx2x *bp = params->bp;
2516 u8 port = params->port;
2517 u32 init_crd, crd;
2518 u32 count = 1000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002519
Yuval Mintzd2310232012-06-20 19:05:19 +00002520 /* Disable port */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002521 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2522
Yuval Mintzd2310232012-06-20 19:05:19 +00002523 /* Wait for init credit */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002524 init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
2525 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2526 DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
2527
2528 while ((init_crd != crd) && count) {
Yuval Mintzd2310232012-06-20 19:05:19 +00002529 usleep_range(5000, 10000);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002530 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2531 count--;
2532 }
2533 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2534 if (init_crd != crd) {
2535 DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
2536 init_crd, crd);
2537 return -EINVAL;
2538 }
2539
David S. Millerc0700f92008-12-16 23:53:20 -08002540 if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002541 line_speed == SPEED_10 ||
2542 line_speed == SPEED_100 ||
2543 line_speed == SPEED_1000 ||
2544 line_speed == SPEED_2500) {
2545 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
Yuval Mintzd2310232012-06-20 19:05:19 +00002546 /* Update threshold */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002547 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
Yuval Mintzd2310232012-06-20 19:05:19 +00002548 /* Update init credit */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002549 init_crd = 778; /* (800-18-4) */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002550
2551 } else {
2552 u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
2553 ETH_OVREHEAD)/16;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002554 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Yuval Mintzd2310232012-06-20 19:05:19 +00002555 /* Update threshold */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002556 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
Yuval Mintzd2310232012-06-20 19:05:19 +00002557 /* Update init credit */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002558 switch (line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002559 case SPEED_10000:
2560 init_crd = thresh + 553 - 22;
2561 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002562 default:
2563 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2564 line_speed);
2565 return -EINVAL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002566 }
2567 }
2568 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2569 DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
2570 line_speed, init_crd);
2571
Yuval Mintzd2310232012-06-20 19:05:19 +00002572 /* Probe the credit changes */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002573 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
Yuval Mintzd2310232012-06-20 19:05:19 +00002574 usleep_range(5000, 10000);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002575 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
2576
Yuval Mintzd2310232012-06-20 19:05:19 +00002577 /* Enable port */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002578 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2579 return 0;
2580}
2581
Dmitry Kravkove8920672011-05-04 23:52:40 +00002582/**
2583 * bnx2x_get_emac_base - retrive emac base address
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002584 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00002585 * @bp: driver handle
2586 * @mdc_mdio_access: access type
2587 * @port: port id
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002588 *
2589 * This function selects the MDC/MDIO access (through emac0 or
2590 * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2591 * phy has a default access mode, which could also be overridden
2592 * by nvram configuration. This parameter, whether this is the
2593 * default phy configuration, or the nvram overrun
2594 * configuration, is passed here as mdc_mdio_access and selects
2595 * the emac_base for the CL45 read/writes operations
2596 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002597static u32 bnx2x_get_emac_base(struct bnx2x *bp,
2598 u32 mdc_mdio_access, u8 port)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002599{
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002600 u32 emac_base = 0;
2601 switch (mdc_mdio_access) {
2602 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
2603 break;
2604 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
2605 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2606 emac_base = GRCBASE_EMAC1;
2607 else
2608 emac_base = GRCBASE_EMAC0;
2609 break;
2610 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
Eilon Greenstein589abe32009-02-12 08:36:55 +00002611 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2612 emac_base = GRCBASE_EMAC0;
2613 else
2614 emac_base = GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002615 break;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002616 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
2617 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2618 break;
2619 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
Eilon Greenstein6378c022008-08-13 15:59:25 -07002620 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002621 break;
2622 default:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002623 break;
2624 }
2625 return emac_base;
2626
2627}
2628
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002629/******************************************************************/
Yaniv Rosner6583e332011-06-14 01:34:17 +00002630/* CL22 access functions */
2631/******************************************************************/
2632static int bnx2x_cl22_write(struct bnx2x *bp,
2633 struct bnx2x_phy *phy,
2634 u16 reg, u16 val)
2635{
2636 u32 tmp, mode;
2637 u8 i;
2638 int rc = 0;
2639 /* Switch to CL22 */
2640 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2641 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2642 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2643
Yuval Mintzd2310232012-06-20 19:05:19 +00002644 /* Address */
Yaniv Rosner6583e332011-06-14 01:34:17 +00002645 tmp = ((phy->addr << 21) | (reg << 16) | val |
2646 EMAC_MDIO_COMM_COMMAND_WRITE_22 |
2647 EMAC_MDIO_COMM_START_BUSY);
2648 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2649
2650 for (i = 0; i < 50; i++) {
2651 udelay(10);
2652
2653 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2654 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2655 udelay(5);
2656 break;
2657 }
2658 }
2659 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2660 DP(NETIF_MSG_LINK, "write phy register failed\n");
2661 rc = -EFAULT;
2662 }
2663 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2664 return rc;
2665}
2666
2667static int bnx2x_cl22_read(struct bnx2x *bp,
2668 struct bnx2x_phy *phy,
2669 u16 reg, u16 *ret_val)
2670{
2671 u32 val, mode;
2672 u16 i;
2673 int rc = 0;
2674
2675 /* Switch to CL22 */
2676 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2677 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2678 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2679
Yuval Mintzd2310232012-06-20 19:05:19 +00002680 /* Address */
Yaniv Rosner6583e332011-06-14 01:34:17 +00002681 val = ((phy->addr << 21) | (reg << 16) |
2682 EMAC_MDIO_COMM_COMMAND_READ_22 |
2683 EMAC_MDIO_COMM_START_BUSY);
2684 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2685
2686 for (i = 0; i < 50; i++) {
2687 udelay(10);
2688
2689 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2690 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2691 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2692 udelay(5);
2693 break;
2694 }
2695 }
2696 if (val & EMAC_MDIO_COMM_START_BUSY) {
2697 DP(NETIF_MSG_LINK, "read phy register failed\n");
2698
2699 *ret_val = 0;
2700 rc = -EFAULT;
2701 }
2702 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2703 return rc;
2704}
2705
2706/******************************************************************/
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002707/* CL45 access functions */
2708/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002709static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
2710 u8 devad, u16 reg, u16 *ret_val)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002711{
Yaniv Rosnera198c142011-05-31 21:29:42 +00002712 u32 val;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002713 u16 i;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002714 int rc = 0;
Yaniv Rosner55386fe82012-11-27 03:46:30 +00002715 u32 chip_id;
2716 if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2717 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2718 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2719 bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2720 }
2721
Yaniv Rosner157fa282011-08-02 22:59:32 +00002722 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2723 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2724 EMAC_MDIO_STATUS_10MB);
Yuval Mintzd2310232012-06-20 19:05:19 +00002725 /* Address */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002726 val = ((phy->addr << 21) | (devad << 16) | reg |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002727 EMAC_MDIO_COMM_COMMAND_ADDRESS |
2728 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002729 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002730
2731 for (i = 0; i < 50; i++) {
2732 udelay(10);
2733
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002734 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002735 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2736 udelay(5);
2737 break;
2738 }
2739 }
2740 if (val & EMAC_MDIO_COMM_START_BUSY) {
2741 DP(NETIF_MSG_LINK, "read phy register failed\n");
Yaniv Rosner6d870c32011-01-31 04:22:20 +00002742 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002743 *ret_val = 0;
2744 rc = -EFAULT;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002745 } else {
Yuval Mintzd2310232012-06-20 19:05:19 +00002746 /* Data */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002747 val = ((phy->addr << 21) | (devad << 16) |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002748 EMAC_MDIO_COMM_COMMAND_READ_45 |
2749 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002750 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002751
2752 for (i = 0; i < 50; i++) {
2753 udelay(10);
2754
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002755 val = REG_RD(bp, phy->mdio_ctrl +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002756 EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002757 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2758 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2759 break;
2760 }
2761 }
2762 if (val & EMAC_MDIO_COMM_START_BUSY) {
2763 DP(NETIF_MSG_LINK, "read phy register failed\n");
Yaniv Rosner6d870c32011-01-31 04:22:20 +00002764 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002765 *ret_val = 0;
2766 rc = -EFAULT;
2767 }
2768 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00002769 /* Work around for E3 A0 */
2770 if (phy->flags & FLAGS_MDC_MDIO_WA) {
2771 phy->flags ^= FLAGS_DUMMY_READ;
2772 if (phy->flags & FLAGS_DUMMY_READ) {
2773 u16 temp_val;
2774 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2775 }
2776 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002777
Yaniv Rosner157fa282011-08-02 22:59:32 +00002778 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2779 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2780 EMAC_MDIO_STATUS_10MB);
Yaniv Rosnera198c142011-05-31 21:29:42 +00002781 return rc;
2782}
2783
2784static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
2785 u8 devad, u16 reg, u16 val)
2786{
2787 u32 tmp;
2788 u8 i;
2789 int rc = 0;
Yaniv Rosner55386fe82012-11-27 03:46:30 +00002790 u32 chip_id;
2791 if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2792 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2793 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2794 bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2795 }
2796
Yaniv Rosner157fa282011-08-02 22:59:32 +00002797 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2798 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2799 EMAC_MDIO_STATUS_10MB);
Yaniv Rosnera198c142011-05-31 21:29:42 +00002800
Yuval Mintzd2310232012-06-20 19:05:19 +00002801 /* Address */
Yaniv Rosnera198c142011-05-31 21:29:42 +00002802 tmp = ((phy->addr << 21) | (devad << 16) | reg |
2803 EMAC_MDIO_COMM_COMMAND_ADDRESS |
2804 EMAC_MDIO_COMM_START_BUSY);
2805 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2806
2807 for (i = 0; i < 50; i++) {
2808 udelay(10);
2809
2810 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2811 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2812 udelay(5);
2813 break;
2814 }
2815 }
2816 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2817 DP(NETIF_MSG_LINK, "write phy register failed\n");
2818 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
2819 rc = -EFAULT;
Yaniv Rosnera198c142011-05-31 21:29:42 +00002820 } else {
Yuval Mintzd2310232012-06-20 19:05:19 +00002821 /* Data */
Yaniv Rosnera198c142011-05-31 21:29:42 +00002822 tmp = ((phy->addr << 21) | (devad << 16) | val |
2823 EMAC_MDIO_COMM_COMMAND_WRITE_45 |
2824 EMAC_MDIO_COMM_START_BUSY);
2825 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2826
2827 for (i = 0; i < 50; i++) {
2828 udelay(10);
2829
2830 tmp = REG_RD(bp, phy->mdio_ctrl +
2831 EMAC_REG_EMAC_MDIO_COMM);
2832 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2833 udelay(5);
2834 break;
2835 }
2836 }
2837 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2838 DP(NETIF_MSG_LINK, "write phy register failed\n");
2839 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
2840 rc = -EFAULT;
2841 }
2842 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00002843 /* Work around for E3 A0 */
2844 if (phy->flags & FLAGS_MDC_MDIO_WA) {
2845 phy->flags ^= FLAGS_DUMMY_READ;
2846 if (phy->flags & FLAGS_DUMMY_READ) {
2847 u16 temp_val;
2848 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2849 }
2850 }
Yaniv Rosner157fa282011-08-02 22:59:32 +00002851 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2852 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2853 EMAC_MDIO_STATUS_10MB);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002854 return rc;
2855}
Yuval Mintzec4010e2012-09-10 05:51:06 +00002856
2857/******************************************************************/
2858/* EEE section */
2859/******************************************************************/
2860static u8 bnx2x_eee_has_cap(struct link_params *params)
2861{
2862 struct bnx2x *bp = params->bp;
2863
2864 if (REG_RD(bp, params->shmem2_base) <=
2865 offsetof(struct shmem2_region, eee_status[params->port]))
2866 return 0;
2867
2868 return 1;
2869}
2870
2871static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
2872{
2873 switch (nvram_mode) {
2874 case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
2875 *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
2876 break;
2877 case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
2878 *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
2879 break;
2880 case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
2881 *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
2882 break;
2883 default:
2884 *idle_timer = 0;
2885 break;
2886 }
2887
2888 return 0;
2889}
2890
2891static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
2892{
2893 switch (idle_timer) {
2894 case EEE_MODE_NVRAM_BALANCED_TIME:
2895 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
2896 break;
2897 case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
2898 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
2899 break;
2900 case EEE_MODE_NVRAM_LATENCY_TIME:
2901 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
2902 break;
2903 default:
2904 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
2905 break;
2906 }
2907
2908 return 0;
2909}
2910
2911static u32 bnx2x_eee_calc_timer(struct link_params *params)
2912{
2913 u32 eee_mode, eee_idle;
2914 struct bnx2x *bp = params->bp;
2915
2916 if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
2917 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2918 /* time value in eee_mode --> used directly*/
2919 eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
2920 } else {
2921 /* hsi value in eee_mode --> time */
2922 if (bnx2x_eee_nvram_to_time(params->eee_mode &
2923 EEE_MODE_NVRAM_MASK,
2924 &eee_idle))
2925 return 0;
2926 }
2927 } else {
2928 /* hsi values in nvram --> time*/
2929 eee_mode = ((REG_RD(bp, params->shmem_base +
2930 offsetof(struct shmem_region, dev_info.
2931 port_feature_config[params->port].
2932 eee_power_mode)) &
2933 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
2934 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
2935
2936 if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
2937 return 0;
2938 }
2939
2940 return eee_idle;
2941}
2942
2943static int bnx2x_eee_set_timers(struct link_params *params,
2944 struct link_vars *vars)
2945{
2946 u32 eee_idle = 0, eee_mode;
2947 struct bnx2x *bp = params->bp;
2948
2949 eee_idle = bnx2x_eee_calc_timer(params);
2950
2951 if (eee_idle) {
2952 REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
2953 eee_idle);
2954 } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
2955 (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
2956 (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
2957 DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
2958 return -EINVAL;
2959 }
2960
2961 vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
2962 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2963 /* eee_idle in 1u --> eee_status in 16u */
2964 eee_idle >>= 4;
2965 vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
2966 SHMEM_EEE_TIME_OUTPUT_BIT;
2967 } else {
2968 if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
2969 return -EINVAL;
2970 vars->eee_status |= eee_mode;
2971 }
2972
2973 return 0;
2974}
2975
2976static int bnx2x_eee_initial_config(struct link_params *params,
2977 struct link_vars *vars, u8 mode)
2978{
2979 vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
2980
2981 /* Propogate params' bits --> vars (for migration exposure) */
2982 if (params->eee_mode & EEE_MODE_ENABLE_LPI)
2983 vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
2984 else
2985 vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
2986
2987 if (params->eee_mode & EEE_MODE_ADV_LPI)
2988 vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
2989 else
2990 vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
2991
2992 return bnx2x_eee_set_timers(params, vars);
2993}
2994
2995static int bnx2x_eee_disable(struct bnx2x_phy *phy,
2996 struct link_params *params,
2997 struct link_vars *vars)
2998{
2999 struct bnx2x *bp = params->bp;
3000
3001 /* Make Certain LPI is disabled */
3002 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
3003
3004 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
3005
3006 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
3007
3008 return 0;
3009}
3010
3011static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
3012 struct link_params *params,
3013 struct link_vars *vars, u8 modes)
3014{
3015 struct bnx2x *bp = params->bp;
3016 u16 val = 0;
3017
3018 /* Mask events preventing LPI generation */
3019 REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
3020
3021 if (modes & SHMEM_EEE_10G_ADV) {
3022 DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
3023 val |= 0x8;
3024 }
3025 if (modes & SHMEM_EEE_1G_ADV) {
3026 DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
3027 val |= 0x4;
3028 }
3029
3030 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
3031
3032 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
3033 vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
3034
3035 return 0;
3036}
3037
3038static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
3039{
3040 struct bnx2x *bp = params->bp;
3041
3042 if (bnx2x_eee_has_cap(params))
3043 REG_WR(bp, params->shmem2_base +
3044 offsetof(struct shmem2_region,
3045 eee_status[params->port]), eee_status);
3046}
3047
3048static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
3049 struct link_params *params,
3050 struct link_vars *vars)
3051{
3052 struct bnx2x *bp = params->bp;
3053 u16 adv = 0, lp = 0;
3054 u32 lp_adv = 0;
3055 u8 neg = 0;
3056
3057 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
3058 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
3059
3060 if (lp & 0x2) {
3061 lp_adv |= SHMEM_EEE_100M_ADV;
3062 if (adv & 0x2) {
3063 if (vars->line_speed == SPEED_100)
3064 neg = 1;
3065 DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
3066 }
3067 }
3068 if (lp & 0x14) {
3069 lp_adv |= SHMEM_EEE_1G_ADV;
3070 if (adv & 0x14) {
3071 if (vars->line_speed == SPEED_1000)
3072 neg = 1;
3073 DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
3074 }
3075 }
3076 if (lp & 0x68) {
3077 lp_adv |= SHMEM_EEE_10G_ADV;
3078 if (adv & 0x68) {
3079 if (vars->line_speed == SPEED_10000)
3080 neg = 1;
3081 DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
3082 }
3083 }
3084
3085 vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
3086 vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
3087
3088 if (neg) {
3089 DP(NETIF_MSG_LINK, "EEE is active\n");
3090 vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
3091 }
3092
3093}
3094
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003095/******************************************************************/
3096/* BSC access functions from E3 */
3097/******************************************************************/
3098static void bnx2x_bsc_module_sel(struct link_params *params)
3099{
3100 int idx;
3101 u32 board_cfg, sfp_ctrl;
3102 u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3103 struct bnx2x *bp = params->bp;
3104 u8 port = params->port;
3105 /* Read I2C output PINs */
3106 board_cfg = REG_RD(bp, params->shmem_base +
3107 offsetof(struct shmem_region,
3108 dev_info.shared_hw_config.board));
3109 i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3110 i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3111 SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3112
3113 /* Read I2C output value */
3114 sfp_ctrl = REG_RD(bp, params->shmem_base +
3115 offsetof(struct shmem_region,
3116 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3117 i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3118 i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3119 DP(NETIF_MSG_LINK, "Setting BSC switch\n");
3120 for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3121 bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
3122}
3123
3124static int bnx2x_bsc_read(struct link_params *params,
3125 struct bnx2x_phy *phy,
3126 u8 sl_devid,
3127 u16 sl_addr,
3128 u8 lc_addr,
3129 u8 xfer_cnt,
3130 u32 *data_array)
3131{
3132 u32 val, i;
3133 int rc = 0;
3134 struct bnx2x *bp = params->bp;
3135
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003136 if (xfer_cnt > 16) {
3137 DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
3138 xfer_cnt);
3139 return -EINVAL;
3140 }
3141 bnx2x_bsc_module_sel(params);
3142
3143 xfer_cnt = 16 - lc_addr;
3144
Yuval Mintzd2310232012-06-20 19:05:19 +00003145 /* Enable the engine */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003146 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3147 val |= MCPR_IMC_COMMAND_ENABLE;
3148 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3149
Yuval Mintzd2310232012-06-20 19:05:19 +00003150 /* Program slave device ID */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003151 val = (sl_devid << 16) | sl_addr;
3152 REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3153
Yuval Mintzd2310232012-06-20 19:05:19 +00003154 /* Start xfer with 0 byte to update the address pointer ???*/
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003155 val = (MCPR_IMC_COMMAND_ENABLE) |
3156 (MCPR_IMC_COMMAND_WRITE_OP <<
3157 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3158 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3159 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3160
Yuval Mintzd2310232012-06-20 19:05:19 +00003161 /* Poll for completion */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003162 i = 0;
3163 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3164 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3165 udelay(10);
3166 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3167 if (i++ > 1000) {
3168 DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
3169 i);
3170 rc = -EFAULT;
3171 break;
3172 }
3173 }
3174 if (rc == -EFAULT)
3175 return rc;
3176
Yuval Mintzd2310232012-06-20 19:05:19 +00003177 /* Start xfer with read op */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003178 val = (MCPR_IMC_COMMAND_ENABLE) |
3179 (MCPR_IMC_COMMAND_READ_OP <<
3180 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3181 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3182 (xfer_cnt);
3183 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3184
Yuval Mintzd2310232012-06-20 19:05:19 +00003185 /* Poll for completion */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003186 i = 0;
3187 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3188 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3189 udelay(10);
3190 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3191 if (i++ > 1000) {
3192 DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
3193 rc = -EFAULT;
3194 break;
3195 }
3196 }
3197 if (rc == -EFAULT)
3198 return rc;
3199
3200 for (i = (lc_addr >> 2); i < 4; i++) {
3201 data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3202#ifdef __BIG_ENDIAN
3203 data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3204 ((data_array[i] & 0x0000ff00) << 8) |
3205 ((data_array[i] & 0x00ff0000) >> 8) |
3206 ((data_array[i] & 0xff000000) >> 24);
3207#endif
3208 }
3209 return rc;
3210}
3211
3212static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3213 u8 devad, u16 reg, u16 or_val)
3214{
3215 u16 val;
3216 bnx2x_cl45_read(bp, phy, devad, reg, &val);
3217 bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
3218}
3219
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003220static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
3221 struct bnx2x_phy *phy,
3222 u8 devad, u16 reg, u16 and_val)
3223{
3224 u16 val;
3225 bnx2x_cl45_read(bp, phy, devad, reg, &val);
3226 bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
3227}
3228
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003229int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
3230 u8 devad, u16 reg, u16 *ret_val)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003231{
3232 u8 phy_index;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003233 /* Probe for the phy according to the given phy_addr, and execute
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003234 * the read request on it
3235 */
3236 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3237 if (params->phy[phy_index].addr == phy_addr) {
3238 return bnx2x_cl45_read(params->bp,
3239 &params->phy[phy_index], devad,
3240 reg, ret_val);
3241 }
3242 }
3243 return -EINVAL;
3244}
3245
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003246int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
3247 u8 devad, u16 reg, u16 val)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003248{
3249 u8 phy_index;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003250 /* Probe for the phy according to the given phy_addr, and execute
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003251 * the write request on it
3252 */
3253 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3254 if (params->phy[phy_index].addr == phy_addr) {
3255 return bnx2x_cl45_write(params->bp,
3256 &params->phy[phy_index], devad,
3257 reg, val);
3258 }
3259 }
3260 return -EINVAL;
3261}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003262static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
3263 struct link_params *params)
3264{
3265 u8 lane = 0;
3266 struct bnx2x *bp = params->bp;
3267 u32 path_swap, path_swap_ovr;
3268 u8 path, port;
3269
3270 path = BP_PATH(bp);
3271 port = params->port;
3272
3273 if (bnx2x_is_4_port_mode(bp)) {
3274 u32 port_swap, port_swap_ovr;
3275
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003276 /* Figure out path swap value */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003277 path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
3278 if (path_swap_ovr & 0x1)
3279 path_swap = (path_swap_ovr & 0x2);
3280 else
3281 path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
3282
3283 if (path_swap)
3284 path = path ^ 1;
3285
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003286 /* Figure out port swap value */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003287 port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
3288 if (port_swap_ovr & 0x1)
3289 port_swap = (port_swap_ovr & 0x2);
3290 else
3291 port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
3292
3293 if (port_swap)
3294 port = port ^ 1;
3295
3296 lane = (port<<1) + path;
Yuval Mintzd2310232012-06-20 19:05:19 +00003297 } else { /* Two port mode - no port swap */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003298
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003299 /* Figure out path swap value */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003300 path_swap_ovr =
3301 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3302 if (path_swap_ovr & 0x1) {
3303 path_swap = (path_swap_ovr & 0x2);
3304 } else {
3305 path_swap =
3306 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
3307 }
3308 if (path_swap)
3309 path = path ^ 1;
3310
3311 lane = path << 1 ;
3312 }
3313 return lane;
3314}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003315
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003316static void bnx2x_set_aer_mmd(struct link_params *params,
3317 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003318{
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003319 u32 ser_lane;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003320 u16 offset, aer_val;
3321 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003322 ser_lane = ((params->lane_config &
3323 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3324 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3325
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003326 offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3327 (phy->addr + ser_lane) : 0;
3328
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003329 if (USES_WARPCORE(bp)) {
3330 aer_val = bnx2x_get_warpcore_lane(phy, params);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003331 /* In Dual-lane mode, two lanes are joined together,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003332 * so in order to configure them, the AER broadcast method is
3333 * used here.
3334 * 0x200 is the broadcast address for lanes 0,1
3335 * 0x201 is the broadcast address for lanes 2,3
3336 */
3337 if (phy->flags & FLAGS_WC_DUAL_MODE)
3338 aer_val = (aer_val >> 1) | 0x200;
3339 } else if (CHIP_IS_E2(bp))
Yaniv Rosner82a0d472011-01-18 04:33:52 +00003340 aer_val = 0x3800 + offset - 1;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003341 else
3342 aer_val = 0x3800 + offset;
Yaniv Rosner2f751a82011-11-28 00:49:52 +00003343
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003344 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003345 MDIO_AER_BLOCK_AER_REG, aer_val);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003346
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003347}
3348
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003349/******************************************************************/
3350/* Internal phy section */
3351/******************************************************************/
3352
3353static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
3354{
3355 u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3356
3357 /* Set Clause 22 */
3358 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
3359 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
3360 udelay(500);
3361 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3362 udelay(500);
3363 /* Set Clause 45 */
3364 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
3365}
3366
3367static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
3368{
3369 u32 val;
3370
3371 DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
3372
3373 val = SERDES_RESET_BITS << (port*16);
3374
Yuval Mintzd2310232012-06-20 19:05:19 +00003375 /* Reset and unreset the SerDes/XGXS */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003376 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3377 udelay(500);
3378 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3379
3380 bnx2x_set_serdes_access(bp, port);
3381
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003382 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3383 DEFAULT_PHY_DEV_ADDR);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003384}
3385
Yaniv Rosnera75bb002012-10-31 05:46:53 +00003386static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
3387 struct link_params *params,
3388 u32 action)
3389{
3390 struct bnx2x *bp = params->bp;
3391 switch (action) {
3392 case PHY_INIT:
3393 /* Set correct devad */
3394 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
3395 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
3396 phy->def_md_devad);
3397 break;
3398 }
3399}
3400
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003401static void bnx2x_xgxs_deassert(struct link_params *params)
3402{
3403 struct bnx2x *bp = params->bp;
3404 u8 port;
3405 u32 val;
3406 DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
3407 port = params->port;
3408
3409 val = XGXS_RESET_BITS << (port*16);
3410
Yuval Mintzd2310232012-06-20 19:05:19 +00003411 /* Reset and unreset the SerDes/XGXS */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003412 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3413 udelay(500);
3414 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
Yaniv Rosnera75bb002012-10-31 05:46:53 +00003415 bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
3416 PHY_INIT);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003417}
3418
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003419static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
3420 struct link_params *params, u16 *ieee_fc)
3421{
3422 struct bnx2x *bp = params->bp;
3423 *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003424 /* Resolve pause mode and advertisement Please refer to Table
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003425 * 28B-3 of the 802.3ab-1999 spec
3426 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003427
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003428 switch (phy->req_flow_ctrl) {
3429 case BNX2X_FLOW_CTRL_AUTO:
Yaniv Rosnerba35a0f2013-04-24 01:44:59 +00003430 switch (params->req_fc_auto_adv) {
3431 case BNX2X_FLOW_CTRL_BOTH:
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003432 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
Yaniv Rosnerba35a0f2013-04-24 01:44:59 +00003433 break;
3434 case BNX2X_FLOW_CTRL_RX:
3435 case BNX2X_FLOW_CTRL_TX:
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003436 *ieee_fc |=
Yaniv Rosnerba35a0f2013-04-24 01:44:59 +00003437 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3438 break;
3439 default:
3440 break;
3441 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003442 break;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003443 case BNX2X_FLOW_CTRL_TX:
3444 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3445 break;
3446
3447 case BNX2X_FLOW_CTRL_RX:
3448 case BNX2X_FLOW_CTRL_BOTH:
3449 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3450 break;
3451
3452 case BNX2X_FLOW_CTRL_NONE:
3453 default:
3454 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3455 break;
3456 }
3457 DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
3458}
3459
3460static void set_phy_vars(struct link_params *params,
3461 struct link_vars *vars)
3462{
3463 struct bnx2x *bp = params->bp;
3464 u8 actual_phy_idx, phy_index, link_cfg_idx;
3465 u8 phy_config_swapped = params->multi_phy_config &
3466 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
3467 for (phy_index = INT_PHY; phy_index < params->num_phys;
3468 phy_index++) {
3469 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
3470 actual_phy_idx = phy_index;
3471 if (phy_config_swapped) {
3472 if (phy_index == EXT_PHY1)
3473 actual_phy_idx = EXT_PHY2;
3474 else if (phy_index == EXT_PHY2)
3475 actual_phy_idx = EXT_PHY1;
3476 }
3477 params->phy[actual_phy_idx].req_flow_ctrl =
3478 params->req_flow_ctrl[link_cfg_idx];
3479
3480 params->phy[actual_phy_idx].req_line_speed =
3481 params->req_line_speed[link_cfg_idx];
3482
3483 params->phy[actual_phy_idx].speed_cap_mask =
3484 params->speed_cap_mask[link_cfg_idx];
3485
3486 params->phy[actual_phy_idx].req_duplex =
3487 params->req_duplex[link_cfg_idx];
3488
3489 if (params->req_line_speed[link_cfg_idx] ==
3490 SPEED_AUTO_NEG)
3491 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3492
3493 DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
3494 " speed_cap_mask %x\n",
3495 params->phy[actual_phy_idx].req_flow_ctrl,
3496 params->phy[actual_phy_idx].req_line_speed,
3497 params->phy[actual_phy_idx].speed_cap_mask);
3498 }
3499}
3500
3501static void bnx2x_ext_phy_set_pause(struct link_params *params,
3502 struct bnx2x_phy *phy,
3503 struct link_vars *vars)
3504{
3505 u16 val;
3506 struct bnx2x *bp = params->bp;
Yuval Mintzd2310232012-06-20 19:05:19 +00003507 /* Read modify write pause advertizing */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003508 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3509
3510 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3511
3512 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3513 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3514 if ((vars->ieee_fc &
3515 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3516 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3517 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3518 }
3519 if ((vars->ieee_fc &
3520 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3521 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3522 val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3523 }
3524 DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3525 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3526}
3527
3528static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
3529{ /* LD LP */
3530 switch (pause_result) { /* ASYM P ASYM P */
3531 case 0xb: /* 1 0 1 1 */
3532 vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
3533 break;
3534
3535 case 0xe: /* 1 1 1 0 */
3536 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3537 break;
3538
3539 case 0x5: /* 0 1 0 1 */
3540 case 0x7: /* 0 1 1 1 */
3541 case 0xd: /* 1 1 0 1 */
3542 case 0xf: /* 1 1 1 1 */
3543 vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
3544 break;
3545
3546 default:
3547 break;
3548 }
3549 if (pause_result & (1<<0))
3550 vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3551 if (pause_result & (1<<1))
3552 vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003553
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003554}
3555
Mintz Yuval9e7e8392012-02-15 02:10:24 +00003556static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
3557 struct link_params *params,
3558 struct link_vars *vars)
3559{
3560 u16 ld_pause; /* local */
3561 u16 lp_pause; /* link partner */
3562 u16 pause_result;
3563 struct bnx2x *bp = params->bp;
3564 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
3565 bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
3566 bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
Yaniv Rosnerca05f292012-04-04 01:28:55 +00003567 } else if (CHIP_IS_E3(bp) &&
3568 SINGLE_MEDIA_DIRECT(params)) {
3569 u8 lane = bnx2x_get_warpcore_lane(phy, params);
3570 u16 gp_status, gp_mask;
3571 bnx2x_cl45_read(bp, phy,
3572 MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
3573 &gp_status);
3574 gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
3575 MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
3576 lane;
3577 if ((gp_status & gp_mask) == gp_mask) {
3578 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3579 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3580 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3581 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3582 } else {
3583 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3584 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3585 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3586 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3587 ld_pause = ((ld_pause &
3588 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3589 << 3);
3590 lp_pause = ((lp_pause &
3591 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3592 << 3);
3593 }
Mintz Yuval9e7e8392012-02-15 02:10:24 +00003594 } else {
3595 bnx2x_cl45_read(bp, phy,
3596 MDIO_AN_DEVAD,
3597 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3598 bnx2x_cl45_read(bp, phy,
3599 MDIO_AN_DEVAD,
3600 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3601 }
3602 pause_result = (ld_pause &
3603 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3604 pause_result |= (lp_pause &
3605 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3606 DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
3607 bnx2x_pause_resolve(vars, pause_result);
3608
3609}
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003610
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003611static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3612 struct link_params *params,
3613 struct link_vars *vars)
3614{
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003615 u8 ret = 0;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003616 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Mintz Yuval9e7e8392012-02-15 02:10:24 +00003617 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
3618 /* Update the advertised flow-controled of LD/LP in AN */
3619 if (phy->req_line_speed == SPEED_AUTO_NEG)
3620 bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3621 /* But set the flow-control result as the requested one */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003622 vars->flow_ctrl = phy->req_flow_ctrl;
Mintz Yuval9e7e8392012-02-15 02:10:24 +00003623 } else if (phy->req_line_speed != SPEED_AUTO_NEG)
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003624 vars->flow_ctrl = params->req_fc_auto_adv;
3625 else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3626 ret = 1;
Mintz Yuval9e7e8392012-02-15 02:10:24 +00003627 bnx2x_ext_phy_update_adv_fc(phy, params, vars);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003628 }
3629 return ret;
3630}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003631/******************************************************************/
3632/* Warpcore section */
3633/******************************************************************/
3634/* The init_internal_warpcore should mirror the xgxs,
3635 * i.e. reset the lane (if needed), set aer for the
3636 * init configuration, and set/clear SGMII flag. Internal
3637 * phy init is done purely in phy_init stage.
3638 */
Yaniv Rosnere438c5d2013-03-11 05:17:50 +00003639#define WC_TX_DRIVER(post2, idriver, ipre) \
3640 ((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
3641 (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
3642 (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET))
3643
3644#define WC_TX_FIR(post, main, pre) \
3645 ((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
3646 (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
3647 (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
3648
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003649static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
3650 struct link_params *params,
3651 struct link_vars *vars)
3652{
3653 struct bnx2x *bp = params->bp;
3654 u16 i;
3655 static struct bnx2x_reg_set reg_set[] = {
3656 /* Step 1 - Program the TX/RX alignment markers */
3657 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
3658 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
3659 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
3660 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
3661 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
3662 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
3663 /* Step 2 - Configure the NP registers */
3664 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
3665 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
3666 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
3667 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
3668 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
3669 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
3670 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
3671 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
3672 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
3673 };
3674 DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
3675
3676 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3677 MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
3678
Sasha Levinb5a05552012-12-20 09:11:24 +00003679 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003680 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3681 reg_set[i].val);
3682
3683 /* Start KR2 work-around timer which handles BCM8073 link-parner */
3684 vars->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
3685 bnx2x_update_link_attr(params, vars->link_attr_sync);
3686}
Yuval Mintzec4010e2012-09-10 05:51:06 +00003687
Yaniv Rosner4e4b14c2013-09-22 14:59:23 +03003688static void bnx2x_disable_kr2(struct link_params *params,
3689 struct link_vars *vars,
3690 struct bnx2x_phy *phy)
3691{
3692 struct bnx2x *bp = params->bp;
3693 int i;
3694 static struct bnx2x_reg_set reg_set[] = {
3695 /* Step 1 - Program the TX/RX alignment markers */
3696 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
3697 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
3698 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
3699 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
3700 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
3701 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
3702 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
3703 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
3704 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
3705 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
3706 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
3707 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
3708 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
3709 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
3710 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
3711 };
3712 DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
3713
3714 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3715 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3716 reg_set[i].val);
3717 vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
3718 bnx2x_update_link_attr(params, vars->link_attr_sync);
3719
3720 vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
3721}
3722
Yuval Mintzec4010e2012-09-10 05:51:06 +00003723static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
3724 struct link_params *params)
3725{
3726 struct bnx2x *bp = params->bp;
3727
3728 DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
3729 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3730 MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
3731 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3732 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
3733}
3734
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003735static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
3736 struct link_params *params)
3737{
3738 /* Restart autoneg on the leading lane only */
3739 struct bnx2x *bp = params->bp;
3740 u16 lane = bnx2x_get_warpcore_lane(phy, params);
3741 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3742 MDIO_AER_BLOCK_AER_REG, lane);
3743 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3744 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
3745
3746 /* Restore AER */
3747 bnx2x_set_aer_mmd(params, phy);
3748}
3749
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003750static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
3751 struct link_params *params,
3752 struct link_vars *vars) {
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003753 u16 lane, i, cl72_ctrl, an_adv = 0;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003754 struct bnx2x *bp = params->bp;
Yuval Mintza351d492012-06-20 19:05:21 +00003755 static struct bnx2x_reg_set reg_set[] = {
3756 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
Yuval Mintza351d492012-06-20 19:05:21 +00003757 {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
3758 {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
3759 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
3760 /* Disable Autoneg: re-enable it after adv is done. */
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003761 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
3762 {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
3763 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
Yuval Mintza351d492012-06-20 19:05:21 +00003764 };
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003765 DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
Yaniv Rosner6a51c0d2012-04-04 01:28:56 +00003766 /* Set to default registers that may be overriden by 10G force */
Sasha Levinb5a05552012-12-20 09:11:24 +00003767 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
Yuval Mintza351d492012-06-20 19:05:21 +00003768 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3769 reg_set[i].val);
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00003770
Yaniv Rosnerb457bcb2012-10-31 05:46:52 +00003771 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
Yaniv Rosner503976e2012-11-27 03:46:34 +00003772 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003773 cl72_ctrl &= 0x08ff;
Yaniv Rosnerb457bcb2012-10-31 05:46:52 +00003774 cl72_ctrl |= 0x3800;
3775 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
Yaniv Rosner503976e2012-11-27 03:46:34 +00003776 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
Yaniv Rosnerb457bcb2012-10-31 05:46:52 +00003777
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003778 /* Check adding advertisement for 1G KX */
3779 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3780 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3781 (vars->line_speed == SPEED_1000)) {
Yaniv Rosner05fcaea2013-03-27 01:05:19 +00003782 u16 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003783 an_adv |= (1<<5);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003784
3785 /* Enable CL37 1G Parallel Detect */
Yuval Mintza351d492012-06-20 19:05:21 +00003786 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003787 DP(NETIF_MSG_LINK, "Advertize 1G\n");
3788 }
3789 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3790 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
3791 (vars->line_speed == SPEED_10000)) {
3792 /* Check adding advertisement for 10G KR */
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003793 an_adv |= (1<<7);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003794 /* Enable 10G Parallel Detect */
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003795 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3796 MDIO_AER_BLOCK_AER_REG, 0);
3797
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003798 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
Yuval Mintza351d492012-06-20 19:05:21 +00003799 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003800 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003801 DP(NETIF_MSG_LINK, "Advertize 10G\n");
3802 }
3803
3804 /* Set Transmit PMD settings */
3805 lane = bnx2x_get_warpcore_lane(phy, params);
3806 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
Yaniv Rosnere438c5d2013-03-11 05:17:50 +00003807 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3808 WC_TX_DRIVER(0x02, 0x06, 0x09));
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003809 /* Configure the next lane if dual mode */
3810 if (phy->flags & FLAGS_WC_DUAL_MODE)
3811 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3812 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
Yaniv Rosnere438c5d2013-03-11 05:17:50 +00003813 WC_TX_DRIVER(0x02, 0x06, 0x09));
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003814 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3815 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
3816 0x03f0);
3817 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3818 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
3819 0x03f0);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003820
3821 /* Advertised speeds */
3822 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003823 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003824
David S. Miller8decf862011-09-22 03:23:13 -04003825 /* Advertised and set FEC (Forward Error Correction) */
3826 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3827 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
3828 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
3829 MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
3830
Yaniv Rosnera34bc962011-07-05 01:06:41 +00003831 /* Enable CL37 BAM */
3832 if (REG_RD(bp, params->shmem_base +
3833 offsetof(struct shmem_region, dev_info.
3834 port_hw_config[params->port].default_cfg)) &
3835 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
Yuval Mintza351d492012-06-20 19:05:21 +00003836 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3837 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
3838 1);
Yaniv Rosnera34bc962011-07-05 01:06:41 +00003839 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
3840 }
3841
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003842 /* Advertise pause */
3843 bnx2x_ext_phy_set_pause(params, phy, vars);
Yaniv Rosnerb6a9c1e2013-09-22 14:59:22 +03003844 vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
Yuval Mintza351d492012-06-20 19:05:21 +00003845 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3846 MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00003847
3848 /* Over 1G - AN local device user page 1 */
3849 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3850 MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
3851
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003852 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
3853 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
3854 (phy->req_line_speed == SPEED_20000)) {
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00003855
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003856 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3857 MDIO_AER_BLOCK_AER_REG, lane);
3858
3859 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3860 MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
3861 (1<<11));
3862
3863 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3864 MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
3865 bnx2x_set_aer_mmd(params, phy);
3866
3867 bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
Yaniv Rosner4e4b14c2013-09-22 14:59:23 +03003868 } else {
3869 bnx2x_disable_kr2(params, vars, phy);
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003870 }
3871
3872 /* Enable Autoneg: only on the main lane */
3873 bnx2x_warpcore_restart_AN_KR(phy, params);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003874}
3875
3876static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
3877 struct link_params *params,
3878 struct link_vars *vars)
3879{
3880 struct bnx2x *bp = params->bp;
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003881 u16 val16, i, lane;
Yuval Mintza351d492012-06-20 19:05:21 +00003882 static struct bnx2x_reg_set reg_set[] = {
3883 /* Disable Autoneg */
3884 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
Yuval Mintza351d492012-06-20 19:05:21 +00003885 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3886 0x3f00},
3887 {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
3888 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
3889 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
3890 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
Yuval Mintza351d492012-06-20 19:05:21 +00003891 /* Leave cl72 training enable, needed for KR */
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003892 {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
Yuval Mintza351d492012-06-20 19:05:21 +00003893 };
3894
Sasha Levinb5a05552012-12-20 09:11:24 +00003895 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
Yuval Mintza351d492012-06-20 19:05:21 +00003896 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3897 reg_set[i].val);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003898
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003899 lane = bnx2x_get_warpcore_lane(phy, params);
3900 /* Global registers */
3901 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3902 MDIO_AER_BLOCK_AER_REG, 0);
3903 /* Disable CL36 PCS Tx */
3904 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3905 MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
3906 val16 &= ~(0x0011 << lane);
3907 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3908 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003909
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003910 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3911 MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
3912 val16 |= (0x0303 << (lane << 1));
3913 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3914 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
3915 /* Restore AER */
3916 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003917 /* Set speed via PMA/PMD register */
3918 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3919 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
3920
3921 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3922 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
3923
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003924 /* Enable encoded forced speed */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003925 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3926 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
3927
3928 /* Turn TX scramble payload only the 64/66 scrambler */
3929 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3930 MDIO_WC_REG_TX66_CONTROL, 0x9);
3931
3932 /* Turn RX scramble payload only the 64/66 scrambler */
3933 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3934 MDIO_WC_REG_RX66_CONTROL, 0xF9);
3935
Yuval Mintzd2310232012-06-20 19:05:19 +00003936 /* Set and clear loopback to cause a reset to 64/66 decoder */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003937 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3938 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
3939 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3940 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3941
3942}
3943
3944static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
3945 struct link_params *params,
3946 u8 is_xfi)
3947{
3948 struct bnx2x *bp = params->bp;
3949 u16 misc1_val, tap_val, tx_driver_val, lane, val;
Yaniv Rosnere438c5d2013-03-11 05:17:50 +00003950 u32 cfg_tap_val, tx_drv_brdct, tx_equal;
3951
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003952 /* Hold rxSeqStart */
Yuval Mintza351d492012-06-20 19:05:21 +00003953 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3954 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003955
3956 /* Hold tx_fifo_reset */
Yuval Mintza351d492012-06-20 19:05:21 +00003957 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3958 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003959
3960 /* Disable CL73 AN */
3961 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
3962
3963 /* Disable 100FX Enable and Auto-Detect */
Yaniv Rosner503976e2012-11-27 03:46:34 +00003964 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3965 MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003966
3967 /* Disable 100FX Idle detect */
Yuval Mintza351d492012-06-20 19:05:21 +00003968 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3969 MDIO_WC_REG_FX100_CTRL3, 0x0080);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003970
3971 /* Set Block address to Remote PHY & Clear forced_speed[5] */
Yaniv Rosner503976e2012-11-27 03:46:34 +00003972 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3973 MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003974
3975 /* Turn off auto-detect & fiber mode */
Yaniv Rosner503976e2012-11-27 03:46:34 +00003976 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3977 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3978 0xFFEE);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003979
3980 /* Set filter_force_link, disable_false_link and parallel_detect */
3981 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3982 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
3983 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3984 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3985 ((val | 0x0006) & 0xFFFE));
3986
3987 /* Set XFI / SFI */
3988 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3989 MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
3990
3991 misc1_val &= ~(0x1f);
3992
3993 if (is_xfi) {
3994 misc1_val |= 0x5;
Yaniv Rosnere438c5d2013-03-11 05:17:50 +00003995 tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
3996 tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003997 } else {
Yaniv Rosnere438c5d2013-03-11 05:17:50 +00003998 cfg_tap_val = REG_RD(bp, params->shmem_base +
3999 offsetof(struct shmem_region, dev_info.
4000 port_hw_config[params->port].
4001 sfi_tap_values));
4002
4003 tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
4004
4005 tx_drv_brdct = (cfg_tap_val &
4006 PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
4007 PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
4008
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004009 misc1_val |= 0x9;
Yaniv Rosnere438c5d2013-03-11 05:17:50 +00004010
4011 /* TAP values are controlled by nvram, if value there isn't 0 */
4012 if (tx_equal)
4013 tap_val = (u16)tx_equal;
4014 else
4015 tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
4016
4017 if (tx_drv_brdct)
4018 tx_driver_val = WC_TX_DRIVER(0x03, (u16)tx_drv_brdct,
4019 0x06);
4020 else
4021 tx_driver_val = WC_TX_DRIVER(0x03, 0x02, 0x06);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004022 }
4023 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4024 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
4025
4026 /* Set Transmit PMD settings */
4027 lane = bnx2x_get_warpcore_lane(phy, params);
4028 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4029 MDIO_WC_REG_TX_FIR_TAP,
4030 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
4031 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4032 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4033 tx_driver_val);
4034
4035 /* Enable fiber mode, enable and invert sig_det */
Yuval Mintza351d492012-06-20 19:05:21 +00004036 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4037 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004038
4039 /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
Yuval Mintza351d492012-06-20 19:05:21 +00004040 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4041 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004042
Yuval Mintzec4010e2012-09-10 05:51:06 +00004043 bnx2x_warpcore_set_lpi_passthrough(phy, params);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00004044
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004045 /* 10G XFI Full Duplex */
4046 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4047 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
4048
4049 /* Release tx_fifo_reset */
Yaniv Rosner503976e2012-11-27 03:46:34 +00004050 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4051 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4052 0xFFFE);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004053 /* Release rxSeqStart */
Yaniv Rosner503976e2012-11-27 03:46:34 +00004054 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4055 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004056}
4057
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00004058static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
4059 struct link_params *params)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004060{
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00004061 u16 val;
4062 struct bnx2x *bp = params->bp;
4063 /* Set global registers, so set AER lane to 0 */
4064 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4065 MDIO_AER_BLOCK_AER_REG, 0);
4066
4067 /* Disable sequencer */
4068 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4069 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
4070
4071 bnx2x_set_aer_mmd(params, phy);
4072
4073 bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
4074 MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
4075 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4076 MDIO_AN_REG_CTRL, 0);
4077 /* Turn off CL73 */
4078 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4079 MDIO_WC_REG_CL73_USERB0_CTRL, &val);
4080 val &= ~(1<<5);
4081 val |= (1<<6);
4082 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4083 MDIO_WC_REG_CL73_USERB0_CTRL, val);
4084
4085 /* Set 20G KR2 force speed */
4086 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4087 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
4088
4089 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4090 MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
4091
4092 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4093 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
4094 val &= ~(3<<14);
4095 val |= (1<<15);
4096 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4097 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
4098 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4099 MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
4100
4101 /* Enable sequencer (over lane 0) */
4102 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4103 MDIO_AER_BLOCK_AER_REG, 0);
4104
4105 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4106 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
4107
4108 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004109}
4110
4111static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
4112 struct bnx2x_phy *phy,
4113 u16 lane)
4114{
4115 /* Rx0 anaRxControl1G */
4116 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4117 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
4118
4119 /* Rx2 anaRxControl1G */
4120 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4121 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
4122
4123 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4124 MDIO_WC_REG_RX66_SCW0, 0xE070);
4125
4126 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4127 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
4128
4129 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4130 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
4131
4132 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4133 MDIO_WC_REG_RX66_SCW3, 0x8090);
4134
4135 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4136 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
4137
4138 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4139 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
4140
4141 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4142 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
4143
4144 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4145 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
4146
4147 /* Serdes Digital Misc1 */
4148 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4149 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
4150
4151 /* Serdes Digital4 Misc3 */
4152 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4153 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
4154
4155 /* Set Transmit PMD settings */
4156 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4157 MDIO_WC_REG_TX_FIR_TAP,
Yaniv Rosnere438c5d2013-03-11 05:17:50 +00004158 (WC_TX_FIR(0x12, 0x2d, 0x00) |
4159 MDIO_WC_REG_TX_FIR_TAP_ENABLE));
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004160 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
Yaniv Rosnere438c5d2013-03-11 05:17:50 +00004161 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4162 WC_TX_DRIVER(0x02, 0x02, 0x02));
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004163}
4164
4165static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
4166 struct link_params *params,
Yaniv Rosner521683d2011-11-28 00:49:48 +00004167 u8 fiber_mode,
4168 u8 always_autoneg)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004169{
4170 struct bnx2x *bp = params->bp;
4171 u16 val16, digctrl_kx1, digctrl_kx2;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004172
4173 /* Clear XFI clock comp in non-10G single lane mode. */
Yaniv Rosner503976e2012-11-27 03:46:34 +00004174 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4175 MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004176
Yuval Mintz26964bb2012-09-10 05:51:08 +00004177 bnx2x_warpcore_set_lpi_passthrough(phy, params);
4178
Yaniv Rosner521683d2011-11-28 00:49:48 +00004179 if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004180 /* SGMII Autoneg */
Yaniv Rosner503976e2012-11-27 03:46:34 +00004181 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4182 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4183 0x1000);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004184 DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
4185 } else {
4186 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4187 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
Yaniv Rosner521683d2011-11-28 00:49:48 +00004188 val16 &= 0xcebf;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004189 switch (phy->req_line_speed) {
4190 case SPEED_10:
4191 break;
4192 case SPEED_100:
4193 val16 |= 0x2000;
4194 break;
4195 case SPEED_1000:
4196 val16 |= 0x0040;
4197 break;
4198 default:
Joe Perches94f05b02011-08-14 12:16:20 +00004199 DP(NETIF_MSG_LINK,
4200 "Speed not supported: 0x%x\n", phy->req_line_speed);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004201 return;
4202 }
4203
4204 if (phy->req_duplex == DUPLEX_FULL)
4205 val16 |= 0x0100;
4206
4207 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4208 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
4209
4210 DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
4211 phy->req_line_speed);
4212 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4213 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4214 DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
4215 }
4216
4217 /* SGMII Slave mode and disable signal detect */
4218 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4219 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
4220 if (fiber_mode)
4221 digctrl_kx1 = 1;
4222 else
4223 digctrl_kx1 &= 0xff4a;
4224
4225 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4226 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4227 digctrl_kx1);
4228
4229 /* Turn off parallel detect */
4230 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4231 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
4232 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4233 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4234 (digctrl_kx2 & ~(1<<2)));
4235
4236 /* Re-enable parallel detect */
4237 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4238 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4239 (digctrl_kx2 | (1<<2)));
4240
4241 /* Enable autodet */
4242 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4243 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4244 (digctrl_kx1 | 0x10));
4245}
4246
4247static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
4248 struct bnx2x_phy *phy,
4249 u8 reset)
4250{
4251 u16 val;
4252 /* Take lane out of reset after configuration is finished */
4253 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4254 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4255 if (reset)
4256 val |= 0xC000;
4257 else
4258 val &= 0x3FFF;
4259 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4260 MDIO_WC_REG_DIGITAL5_MISC6, val);
4261 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4262 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4263}
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004264/* Clear SFI/XFI link settings registers */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004265static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
4266 struct link_params *params,
4267 u16 lane)
4268{
4269 struct bnx2x *bp = params->bp;
Yuval Mintza351d492012-06-20 19:05:21 +00004270 u16 i;
4271 static struct bnx2x_reg_set wc_regs[] = {
4272 {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
4273 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
4274 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
4275 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
4276 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4277 0x0195},
4278 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4279 0x0007},
4280 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4281 0x0002},
4282 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
4283 {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
4284 {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
4285 {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
4286 };
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004287 /* Set XFI clock comp as default. */
Yuval Mintza351d492012-06-20 19:05:21 +00004288 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4289 MDIO_WC_REG_RX66_CONTROL, (3<<13));
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004290
Sasha Levinb5a05552012-12-20 09:11:24 +00004291 for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
Yuval Mintza351d492012-06-20 19:05:21 +00004292 bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
4293 wc_regs[i].val);
4294
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004295 lane = bnx2x_get_warpcore_lane(phy, params);
4296 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004297 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
Yuval Mintza351d492012-06-20 19:05:21 +00004298
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004299}
4300
4301static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
4302 u32 chip_id,
4303 u32 shmem_base, u8 port,
4304 u8 *gpio_num, u8 *gpio_port)
4305{
4306 u32 cfg_pin;
4307 *gpio_num = 0;
4308 *gpio_port = 0;
4309 if (CHIP_IS_E3(bp)) {
4310 cfg_pin = (REG_RD(bp, shmem_base +
4311 offsetof(struct shmem_region,
4312 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4313 PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4314 PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4315
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004316 /* Should not happen. This function called upon interrupt
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004317 * triggered by GPIO ( since EPIO can only generate interrupts
4318 * to MCP).
4319 * So if this function was called and none of the GPIOs was set,
4320 * it means the shit hit the fan.
4321 */
4322 if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4323 (cfg_pin > PIN_CFG_GPIO3_P1)) {
Joe Perches94f05b02011-08-14 12:16:20 +00004324 DP(NETIF_MSG_LINK,
Yaniv Rosner503976e2012-11-27 03:46:34 +00004325 "No cfg pin %x for module detect indication\n",
Joe Perches94f05b02011-08-14 12:16:20 +00004326 cfg_pin);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004327 return -EINVAL;
4328 }
4329
4330 *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4331 *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4332 } else {
4333 *gpio_num = MISC_REGISTERS_GPIO_3;
4334 *gpio_port = port;
4335 }
Yaniv Rosner503976e2012-11-27 03:46:34 +00004336
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004337 return 0;
4338}
4339
4340static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
4341 struct link_params *params)
4342{
4343 struct bnx2x *bp = params->bp;
4344 u8 gpio_num, gpio_port;
4345 u32 gpio_val;
4346 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
4347 params->shmem_base, params->port,
4348 &gpio_num, &gpio_port) != 0)
4349 return 0;
4350 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
4351
4352 /* Call the handling function in case module is detected */
4353 if (gpio_val == 0)
4354 return 1;
4355 else
4356 return 0;
4357}
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004358static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
Yaniv Rosner503976e2012-11-27 03:46:34 +00004359 struct link_params *params)
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004360{
4361 u16 gp2_status_reg0, lane;
4362 struct bnx2x *bp = params->bp;
4363
4364 lane = bnx2x_get_warpcore_lane(phy, params);
4365
4366 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
4367 &gp2_status_reg0);
4368
4369 return (gp2_status_reg0 >> (8+lane)) & 0x1;
4370}
4371
4372static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
Yaniv Rosner503976e2012-11-27 03:46:34 +00004373 struct link_params *params,
4374 struct link_vars *vars)
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004375{
4376 struct bnx2x *bp = params->bp;
4377 u32 serdes_net_if;
4378 u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004379
4380 vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
4381
4382 if (!vars->turn_to_run_wc_rt)
4383 return;
4384
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004385 if (vars->rx_tx_asic_rst) {
Yaniv Rosnerb6a9c1e2013-09-22 14:59:22 +03004386 u16 lane = bnx2x_get_warpcore_lane(phy, params);
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004387 serdes_net_if = (REG_RD(bp, params->shmem_base +
4388 offsetof(struct shmem_region, dev_info.
4389 port_hw_config[params->port].default_cfg)) &
4390 PORT_HW_CFG_NET_SERDES_IF_MASK);
4391
4392 switch (serdes_net_if) {
4393 case PORT_HW_CFG_NET_SERDES_IF_KR:
4394 /* Do we get link yet? */
4395 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
Yaniv Rosner503976e2012-11-27 03:46:34 +00004396 &gp_status1);
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004397 lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
4398 /*10G KR*/
4399 lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
4400
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004401 if (lnkup_kr || lnkup) {
Yaniv Rosnerb6a9c1e2013-09-22 14:59:22 +03004402 vars->rx_tx_asic_rst = 0;
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004403 } else {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004404 /* Reset the lane to see if link comes up.*/
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004405 bnx2x_warpcore_reset_lane(bp, phy, 1);
4406 bnx2x_warpcore_reset_lane(bp, phy, 0);
4407
Yuval Mintzd2310232012-06-20 19:05:19 +00004408 /* Restart Autoneg */
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004409 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4410 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4411
4412 vars->rx_tx_asic_rst--;
4413 DP(NETIF_MSG_LINK, "0x%x retry left\n",
4414 vars->rx_tx_asic_rst);
4415 }
4416 break;
4417
4418 default:
4419 break;
4420 }
4421
4422 } /*params->rx_tx_asic_rst*/
4423
4424}
Yuval Mintzdbef8072012-06-20 19:05:22 +00004425static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
4426 struct link_params *params)
4427{
4428 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4429 struct bnx2x *bp = params->bp;
4430 bnx2x_warpcore_clear_regs(phy, params, lane);
4431 if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
4432 SPEED_10000) &&
4433 (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
4434 DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
4435 bnx2x_warpcore_set_10G_XFI(phy, params, 0);
4436 } else {
4437 DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
4438 bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
4439 }
4440}
4441
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00004442static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
4443 struct bnx2x_phy *phy,
4444 u8 tx_en)
4445{
4446 struct bnx2x *bp = params->bp;
4447 u32 cfg_pin;
4448 u8 port = params->port;
4449
4450 cfg_pin = REG_RD(bp, params->shmem_base +
4451 offsetof(struct shmem_region,
4452 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4453 PORT_HW_CFG_E3_TX_LASER_MASK;
4454 /* Set the !tx_en since this pin is DISABLE_TX_LASER */
4455 DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
4456
4457 /* For 20G, the expected pin to be used is 3 pins after the current */
4458 bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
4459 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4460 bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
4461}
4462
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004463static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
4464 struct link_params *params,
4465 struct link_vars *vars)
4466{
4467 struct bnx2x *bp = params->bp;
4468 u32 serdes_net_if;
4469 u8 fiber_mode;
4470 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4471 serdes_net_if = (REG_RD(bp, params->shmem_base +
4472 offsetof(struct shmem_region, dev_info.
4473 port_hw_config[params->port].default_cfg)) &
4474 PORT_HW_CFG_NET_SERDES_IF_MASK);
4475 DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
4476 "serdes_net_if = 0x%x\n",
4477 vars->line_speed, serdes_net_if);
4478 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00004479 bnx2x_warpcore_reset_lane(bp, phy, 1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004480 vars->phy_flags |= PHY_XGXS_FLAG;
4481 if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4482 (phy->req_line_speed &&
4483 ((phy->req_line_speed == SPEED_100) ||
4484 (phy->req_line_speed == SPEED_10)))) {
4485 vars->phy_flags |= PHY_SGMII_FLAG;
4486 DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
4487 bnx2x_warpcore_clear_regs(phy, params, lane);
Yaniv Rosner521683d2011-11-28 00:49:48 +00004488 bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004489 } else {
4490 switch (serdes_net_if) {
4491 case PORT_HW_CFG_NET_SERDES_IF_KR:
4492 /* Enable KR Auto Neg */
Yaniv Rosner6a51c0d2012-04-04 01:28:56 +00004493 if (params->loopback_mode != LOOPBACK_EXT)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004494 bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4495 else {
4496 DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
4497 bnx2x_warpcore_set_10G_KR(phy, params, vars);
4498 }
4499 break;
4500
4501 case PORT_HW_CFG_NET_SERDES_IF_XFI:
4502 bnx2x_warpcore_clear_regs(phy, params, lane);
4503 if (vars->line_speed == SPEED_10000) {
4504 DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
4505 bnx2x_warpcore_set_10G_XFI(phy, params, 1);
4506 } else {
4507 if (SINGLE_MEDIA_DIRECT(params)) {
4508 DP(NETIF_MSG_LINK, "1G Fiber\n");
4509 fiber_mode = 1;
4510 } else {
4511 DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
4512 fiber_mode = 0;
4513 }
4514 bnx2x_warpcore_set_sgmii_speed(phy,
4515 params,
Yaniv Rosner521683d2011-11-28 00:49:48 +00004516 fiber_mode,
4517 0);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004518 }
4519
4520 break;
4521
4522 case PORT_HW_CFG_NET_SERDES_IF_SFI:
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00004523 /* Issue Module detection if module is plugged, or
4524 * enabled transmitter to avoid current leakage in case
4525 * no module is connected
4526 */
Yaniv Rosner0afbd742013-09-22 14:59:24 +03004527 if ((params->loopback_mode == LOOPBACK_NONE) ||
4528 (params->loopback_mode == LOOPBACK_EXT)) {
4529 if (bnx2x_is_sfp_module_plugged(phy, params))
4530 bnx2x_sfp_module_detection(phy, params);
4531 else
4532 bnx2x_sfp_e3_set_transmitter(params,
4533 phy, 1);
4534 }
Yuval Mintzdbef8072012-06-20 19:05:22 +00004535
4536 bnx2x_warpcore_config_sfi(phy, params);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004537 break;
4538
4539 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4540 if (vars->line_speed != SPEED_20000) {
4541 DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4542 return;
4543 }
4544 DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
4545 bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
4546 /* Issue Module detection */
4547
4548 bnx2x_sfp_module_detection(phy, params);
4549 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004550 case PORT_HW_CFG_NET_SERDES_IF_KR2:
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00004551 if (!params->loopback_mode) {
4552 bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4553 } else {
4554 DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
4555 bnx2x_warpcore_set_20G_force_KR2(phy, params);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004556 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004557 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004558 default:
Joe Perches94f05b02011-08-14 12:16:20 +00004559 DP(NETIF_MSG_LINK,
4560 "Unsupported Serdes Net Interface 0x%x\n",
4561 serdes_net_if);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004562 return;
4563 }
4564 }
4565
4566 /* Take lane out of reset after configuration is finished */
4567 bnx2x_warpcore_reset_lane(bp, phy, 0);
4568 DP(NETIF_MSG_LINK, "Exit config init\n");
4569}
4570
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004571static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
4572 struct link_params *params)
4573{
4574 struct bnx2x *bp = params->bp;
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00004575 u16 val16, lane;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004576 bnx2x_sfp_e3_set_transmitter(params, phy, 0);
Yaniv Rosner55386fe82012-11-27 03:46:30 +00004577 bnx2x_set_mdio_emac_per_phy(bp, params);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004578 bnx2x_set_aer_mmd(params, phy);
4579 /* Global register */
4580 bnx2x_warpcore_reset_lane(bp, phy, 1);
4581
4582 /* Clear loopback settings (if any) */
4583 /* 10G & 20G */
Yaniv Rosner503976e2012-11-27 03:46:34 +00004584 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4585 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004586
Yaniv Rosner503976e2012-11-27 03:46:34 +00004587 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4588 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004589
4590 /* Update those 1-copy registers */
4591 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4592 MDIO_AER_BLOCK_AER_REG, 0);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004593 /* Enable 1G MDIO (1-copy) */
Yaniv Rosner503976e2012-11-27 03:46:34 +00004594 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4595 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4596 ~0x10);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004597
Yaniv Rosner503976e2012-11-27 03:46:34 +00004598 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4599 MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00004600 lane = bnx2x_get_warpcore_lane(phy, params);
4601 /* Disable CL36 PCS Tx */
4602 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4603 MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
4604 val16 |= (0x11 << lane);
4605 if (phy->flags & FLAGS_WC_DUAL_MODE)
4606 val16 |= (0x22 << lane);
4607 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4608 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
4609
4610 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4611 MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
4612 val16 &= ~(0x0303 << (lane << 1));
4613 val16 |= (0x0101 << (lane << 1));
4614 if (phy->flags & FLAGS_WC_DUAL_MODE) {
4615 val16 &= ~(0x0c0c << (lane << 1));
4616 val16 |= (0x0404 << (lane << 1));
4617 }
4618
4619 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4620 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
4621 /* Restore AER */
4622 bnx2x_set_aer_mmd(params, phy);
4623
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004624}
4625
4626static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
4627 struct link_params *params)
4628{
4629 struct bnx2x *bp = params->bp;
4630 u16 val16;
4631 u32 lane;
4632 DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
4633 params->loopback_mode, phy->req_line_speed);
4634
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00004635 if (phy->req_line_speed < SPEED_10000 ||
4636 phy->supported & SUPPORTED_20000baseKR2_Full) {
4637 /* 10/100/1000/20G-KR2 */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004638
4639 /* Update those 1-copy registers */
4640 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4641 MDIO_AER_BLOCK_AER_REG, 0);
4642 /* Enable 1G MDIO (1-copy) */
Yuval Mintza351d492012-06-20 19:05:21 +00004643 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4644 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4645 0x10);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004646 /* Set 1G loopback based on lane (1-copy) */
4647 lane = bnx2x_get_warpcore_lane(phy, params);
4648 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4649 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00004650 val16 |= (1<<lane);
4651 if (phy->flags & FLAGS_WC_DUAL_MODE)
4652 val16 |= (2<<lane);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004653 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
Yaniv Rosner503976e2012-11-27 03:46:34 +00004654 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4655 val16);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004656
4657 /* Switch back to 4-copy registers */
4658 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004659 } else {
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00004660 /* 10G / 20G-DXGXS */
Yuval Mintza351d492012-06-20 19:05:21 +00004661 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4662 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4663 0x4000);
Yuval Mintza351d492012-06-20 19:05:21 +00004664 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4665 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004666 }
4667}
4668
4669
Yuval Mintzd2310232012-06-20 19:05:19 +00004670
4671static void bnx2x_sync_link(struct link_params *params,
4672 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004673{
4674 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004675 u8 link_10g_plus;
Yaniv Rosnerde6f3372011-08-02 22:59:25 +00004676 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4677 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004678 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004679 if (vars->link_up) {
4680 DP(NETIF_MSG_LINK, "phy link up\n");
4681
4682 vars->phy_link_up = 1;
4683 vars->duplex = DUPLEX_FULL;
4684 switch (vars->link_status &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004685 LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004686 case LINK_10THD:
4687 vars->duplex = DUPLEX_HALF;
4688 /* Fall thru */
4689 case LINK_10TFD:
4690 vars->line_speed = SPEED_10;
4691 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004692
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004693 case LINK_100TXHD:
4694 vars->duplex = DUPLEX_HALF;
4695 /* Fall thru */
4696 case LINK_100T4:
4697 case LINK_100TXFD:
4698 vars->line_speed = SPEED_100;
4699 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004700
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004701 case LINK_1000THD:
4702 vars->duplex = DUPLEX_HALF;
4703 /* Fall thru */
4704 case LINK_1000TFD:
4705 vars->line_speed = SPEED_1000;
4706 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004707
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004708 case LINK_2500THD:
4709 vars->duplex = DUPLEX_HALF;
4710 /* Fall thru */
4711 case LINK_2500TFD:
4712 vars->line_speed = SPEED_2500;
4713 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004714
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004715 case LINK_10GTFD:
4716 vars->line_speed = SPEED_10000;
4717 break;
4718 case LINK_20GTFD:
4719 vars->line_speed = SPEED_20000;
4720 break;
4721 default:
4722 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004723 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004724 vars->flow_ctrl = 0;
4725 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
4726 vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
4727
4728 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
4729 vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
4730
4731 if (!vars->flow_ctrl)
4732 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4733
4734 if (vars->line_speed &&
4735 ((vars->line_speed == SPEED_10) ||
4736 (vars->line_speed == SPEED_100))) {
4737 vars->phy_flags |= PHY_SGMII_FLAG;
4738 } else {
4739 vars->phy_flags &= ~PHY_SGMII_FLAG;
4740 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004741 if (vars->line_speed &&
4742 USES_WARPCORE(bp) &&
4743 (vars->line_speed == SPEED_1000))
4744 vars->phy_flags |= PHY_SGMII_FLAG;
Yuval Mintzd2310232012-06-20 19:05:19 +00004745 /* Anything 10 and over uses the bmac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004746 link_10g_plus = (vars->line_speed >= SPEED_10000);
4747
4748 if (link_10g_plus) {
4749 if (USES_WARPCORE(bp))
4750 vars->mac_type = MAC_TYPE_XMAC;
4751 else
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004752 vars->mac_type = MAC_TYPE_BMAC;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004753 } else {
4754 if (USES_WARPCORE(bp))
4755 vars->mac_type = MAC_TYPE_UMAC;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004756 else
4757 vars->mac_type = MAC_TYPE_EMAC;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004758 }
Yuval Mintzd2310232012-06-20 19:05:19 +00004759 } else { /* Link down */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004760 DP(NETIF_MSG_LINK, "phy link down\n");
4761
4762 vars->phy_link_up = 0;
4763
4764 vars->line_speed = 0;
4765 vars->duplex = DUPLEX_FULL;
4766 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4767
Yuval Mintzd2310232012-06-20 19:05:19 +00004768 /* Indicate no mac active */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004769 vars->mac_type = MAC_TYPE_NONE;
Yaniv Rosnerde6f3372011-08-02 22:59:25 +00004770 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4771 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +00004772 if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
4773 vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004774 }
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004775}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004776
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004777void bnx2x_link_status_update(struct link_params *params,
4778 struct link_vars *vars)
4779{
4780 struct bnx2x *bp = params->bp;
4781 u8 port = params->port;
4782 u32 sync_offset, media_types;
4783 /* Update PHY configuration */
4784 set_phy_vars(params, vars);
4785
4786 vars->link_status = REG_RD(bp, params->shmem_base +
4787 offsetof(struct shmem_region,
4788 port_mb[port].link_status));
Mahesh Bandewar7614fe82013-01-30 07:00:12 +00004789
4790 /* Force link UP in non LOOPBACK_EXT loopback mode(s) */
Yaniv Rosner05fcaea2013-03-27 01:05:19 +00004791 if (params->loopback_mode != LOOPBACK_NONE &&
4792 params->loopback_mode != LOOPBACK_EXT)
Mahesh Bandewar7614fe82013-01-30 07:00:12 +00004793 vars->link_status |= LINK_STATUS_LINK_UP;
4794
Yuval Mintz08e9acc2012-09-10 05:51:04 +00004795 if (bnx2x_eee_has_cap(params))
4796 vars->eee_status = REG_RD(bp, params->shmem2_base +
4797 offsetof(struct shmem2_region,
4798 eee_status[params->port]));
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004799
4800 vars->phy_flags = PHY_XGXS_FLAG;
4801 bnx2x_sync_link(params, vars);
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00004802 /* Sync media type */
4803 sync_offset = params->shmem_base +
4804 offsetof(struct shmem_region,
4805 dev_info.port_hw_config[port].media_type);
4806 media_types = REG_RD(bp, sync_offset);
4807
4808 params->phy[INT_PHY].media_type =
4809 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
4810 PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
4811 params->phy[EXT_PHY1].media_type =
4812 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
4813 PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
4814 params->phy[EXT_PHY2].media_type =
4815 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
4816 PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
4817 DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
4818
Yaniv Rosner020c7e32011-05-31 21:28:43 +00004819 /* Sync AEU offset */
4820 sync_offset = params->shmem_base +
4821 offsetof(struct shmem_region,
4822 dev_info.port_hw_config[port].aeu_int_mask);
4823
4824 vars->aeu_int_mask = REG_RD(bp, sync_offset);
4825
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00004826 /* Sync PFC status */
4827 if (vars->link_status & LINK_STATUS_PFC_ENABLED)
4828 params->feature_config_flags |=
4829 FEATURE_CONFIG_PFC_ENABLED;
4830 else
4831 params->feature_config_flags &=
4832 ~FEATURE_CONFIG_PFC_ENABLED;
4833
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00004834 if (SHMEM2_HAS(bp, link_attr_sync))
4835 vars->link_attr_sync = SHMEM2_RD(bp,
4836 link_attr_sync[params->port]);
4837
Yaniv Rosner020c7e32011-05-31 21:28:43 +00004838 DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
4839 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004840 DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
4841 vars->line_speed, vars->duplex, vars->flow_ctrl);
4842}
4843
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004844static void bnx2x_set_master_ln(struct link_params *params,
4845 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004846{
4847 struct bnx2x *bp = params->bp;
4848 u16 new_master_ln, ser_lane;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004849 ser_lane = ((params->lane_config &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004850 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004851 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004852
Yuval Mintzd2310232012-06-20 19:05:19 +00004853 /* Set the master_ln for AN */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004854 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004855 MDIO_REG_BANK_XGXS_BLOCK2,
4856 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4857 &new_master_ln);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004858
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004859 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004860 MDIO_REG_BANK_XGXS_BLOCK2 ,
4861 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4862 (new_master_ln | ser_lane));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004863}
4864
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004865static int bnx2x_reset_unicore(struct link_params *params,
4866 struct bnx2x_phy *phy,
4867 u8 set_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004868{
4869 struct bnx2x *bp = params->bp;
4870 u16 mii_control;
4871 u16 i;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004872 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004873 MDIO_REG_BANK_COMBO_IEEE0,
4874 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004875
Yuval Mintzd2310232012-06-20 19:05:19 +00004876 /* Reset the unicore */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004877 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004878 MDIO_REG_BANK_COMBO_IEEE0,
4879 MDIO_COMBO_IEEE0_MII_CONTROL,
4880 (mii_control |
4881 MDIO_COMBO_IEEO_MII_CONTROL_RESET));
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004882 if (set_serdes)
4883 bnx2x_set_serdes_access(bp, params->port);
Eilon Greensteinc1b73992009-02-12 08:37:07 +00004884
Yuval Mintzd2310232012-06-20 19:05:19 +00004885 /* Wait for the reset to self clear */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004886 for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
4887 udelay(5);
4888
Yuval Mintzd2310232012-06-20 19:05:19 +00004889 /* The reset erased the previous bank value */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004890 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004891 MDIO_REG_BANK_COMBO_IEEE0,
4892 MDIO_COMBO_IEEE0_MII_CONTROL,
4893 &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004894
4895 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
4896 udelay(5);
4897 return 0;
4898 }
4899 }
4900
Yaniv Rosner6d870c32011-01-31 04:22:20 +00004901 netdev_err(bp->dev, "Warning: PHY was not initialized,"
4902 " Port %d\n",
4903 params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004904 DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
4905 return -EINVAL;
4906
4907}
4908
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004909static void bnx2x_set_swap_lanes(struct link_params *params,
4910 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004911{
4912 struct bnx2x *bp = params->bp;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004913 /* Each two bits represents a lane number:
4914 * No swap is 0123 => 0x1b no need to enable the swap
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004915 */
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004916 u16 rx_lane_swap, tx_lane_swap;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004917
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004918 rx_lane_swap = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004919 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
4920 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004921 tx_lane_swap = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004922 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
4923 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004924
4925 if (rx_lane_swap != 0x1b) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004926 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004927 MDIO_REG_BANK_XGXS_BLOCK2,
4928 MDIO_XGXS_BLOCK2_RX_LN_SWAP,
4929 (rx_lane_swap |
4930 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
4931 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004932 } else {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004933 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004934 MDIO_REG_BANK_XGXS_BLOCK2,
4935 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004936 }
4937
4938 if (tx_lane_swap != 0x1b) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004939 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004940 MDIO_REG_BANK_XGXS_BLOCK2,
4941 MDIO_XGXS_BLOCK2_TX_LN_SWAP,
4942 (tx_lane_swap |
4943 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004944 } else {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004945 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004946 MDIO_REG_BANK_XGXS_BLOCK2,
4947 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004948 }
4949}
4950
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004951static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
4952 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004953{
4954 struct bnx2x *bp = params->bp;
4955 u16 control2;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004956 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004957 MDIO_REG_BANK_SERDES_DIGITAL,
4958 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4959 &control2);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004960 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02004961 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4962 else
4963 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004964 DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
4965 phy->speed_cap_mask, control2);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004966 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004967 MDIO_REG_BANK_SERDES_DIGITAL,
4968 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4969 control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004970
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004971 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00004972 (phy->speed_cap_mask &
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02004973 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004974 DP(NETIF_MSG_LINK, "XGXS\n");
4975
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004976 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004977 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4978 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
4979 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004980
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004981 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004982 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4983 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4984 &control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004985
4986
4987 control2 |=
4988 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
4989
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004990 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004991 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4992 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4993 control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004994
4995 /* Disable parallel detection of HiG */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004996 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004997 MDIO_REG_BANK_XGXS_BLOCK2,
4998 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
4999 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
5000 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005001 }
5002}
5003
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005004static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
5005 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005006 struct link_vars *vars,
5007 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005008{
5009 struct bnx2x *bp = params->bp;
5010 u16 reg_val;
5011
5012 /* CL37 Autoneg */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005013 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005014 MDIO_REG_BANK_COMBO_IEEE0,
5015 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005016
5017 /* CL37 Autoneg Enabled */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005018 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005019 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
5020 else /* CL37 Autoneg Disabled */
5021 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5022 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
5023
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005024 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005025 MDIO_REG_BANK_COMBO_IEEE0,
5026 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005027
5028 /* Enable/Disable Autodetection */
5029
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005030 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005031 MDIO_REG_BANK_SERDES_DIGITAL,
5032 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005033 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
5034 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
5035 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005036 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005037 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5038 else
5039 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5040
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005041 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005042 MDIO_REG_BANK_SERDES_DIGITAL,
5043 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005044
5045 /* Enable TetonII and BAM autoneg */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005046 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005047 MDIO_REG_BANK_BAM_NEXT_PAGE,
5048 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005049 &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005050 if (vars->line_speed == SPEED_AUTO_NEG) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005051 /* Enable BAM aneg Mode and TetonII aneg Mode */
5052 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5053 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5054 } else {
5055 /* TetonII and BAM Autoneg Disabled */
5056 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5057 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5058 }
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005059 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005060 MDIO_REG_BANK_BAM_NEXT_PAGE,
5061 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5062 reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005063
Eilon Greenstein239d6862009-08-12 08:23:04 +00005064 if (enable_cl73) {
5065 /* Enable Cl73 FSM status bits */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005066 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005067 MDIO_REG_BANK_CL73_USERB0,
5068 MDIO_CL73_USERB0_CL73_UCTRL,
5069 0xe);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005070
5071 /* Enable BAM Station Manager*/
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005072 CL22_WR_OVER_CL45(bp, phy,
Eilon Greenstein239d6862009-08-12 08:23:04 +00005073 MDIO_REG_BANK_CL73_USERB0,
5074 MDIO_CL73_USERB0_CL73_BAM_CTRL1,
5075 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
5076 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
5077 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
5078
Yaniv Rosner7846e472009-11-05 19:18:07 +02005079 /* Advertise CL73 link speeds */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005080 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005081 MDIO_REG_BANK_CL73_IEEEB1,
5082 MDIO_CL73_IEEEB1_AN_ADV2,
5083 &reg_val);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005084 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02005085 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5086 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005087 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02005088 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5089 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
Eilon Greenstein239d6862009-08-12 08:23:04 +00005090
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005091 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005092 MDIO_REG_BANK_CL73_IEEEB1,
5093 MDIO_CL73_IEEEB1_AN_ADV2,
5094 reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005095
Eilon Greenstein239d6862009-08-12 08:23:04 +00005096 /* CL73 Autoneg Enabled */
5097 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
5098
5099 } else /* CL73 Autoneg Disabled */
5100 reg_val = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005101
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005102 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005103 MDIO_REG_BANK_CL73_IEEEB0,
5104 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005105}
5106
Yuval Mintzd2310232012-06-20 19:05:19 +00005107/* Program SerDes, forced speed */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005108static void bnx2x_program_serdes(struct bnx2x_phy *phy,
5109 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005110 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005111{
5112 struct bnx2x *bp = params->bp;
5113 u16 reg_val;
5114
Yuval Mintzd2310232012-06-20 19:05:19 +00005115 /* Program duplex, disable autoneg and sgmii*/
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005116 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005117 MDIO_REG_BANK_COMBO_IEEE0,
5118 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005119 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
Eilon Greenstein57937202009-08-12 08:23:53 +00005120 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5121 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005122 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005123 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005124 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005125 MDIO_REG_BANK_COMBO_IEEE0,
5126 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005127
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00005128 /* Program speed
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005129 * - needed only if the speed is greater than 1G (2.5G or 10G)
5130 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005131 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005132 MDIO_REG_BANK_SERDES_DIGITAL,
5133 MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Yuval Mintzd2310232012-06-20 19:05:19 +00005134 /* Clearing the speed value before setting the right speed */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005135 DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
5136
5137 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
5138 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5139
5140 if (!((vars->line_speed == SPEED_1000) ||
5141 (vars->line_speed == SPEED_100) ||
5142 (vars->line_speed == SPEED_10))) {
5143
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005144 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
5145 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005146 if (vars->line_speed == SPEED_10000)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005147 reg_val |=
5148 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005149 }
5150
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005151 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005152 MDIO_REG_BANK_SERDES_DIGITAL,
5153 MDIO_SERDES_DIGITAL_MISC1, reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005154
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005155}
5156
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005157static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
5158 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005159{
5160 struct bnx2x *bp = params->bp;
5161 u16 val = 0;
5162
Yuval Mintzd2310232012-06-20 19:05:19 +00005163 /* Set extended capabilities */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005164 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005165 val |= MDIO_OVER_1G_UP1_2_5G;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005166 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005167 val |= MDIO_OVER_1G_UP1_10G;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005168 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005169 MDIO_REG_BANK_OVER_1G,
5170 MDIO_OVER_1G_UP1, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005171
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005172 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005173 MDIO_REG_BANK_OVER_1G,
5174 MDIO_OVER_1G_UP3, 0x400);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005175}
5176
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005177static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
5178 struct link_params *params,
5179 u16 ieee_fc)
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005180{
5181 struct bnx2x *bp = params->bp;
Yaniv Rosner7846e472009-11-05 19:18:07 +02005182 u16 val;
Yuval Mintzd2310232012-06-20 19:05:19 +00005183 /* For AN, we are always publishing full duplex */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005184
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005185 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005186 MDIO_REG_BANK_COMBO_IEEE0,
5187 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005188 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005189 MDIO_REG_BANK_CL73_IEEEB1,
5190 MDIO_CL73_IEEEB1_AN_ADV1, &val);
Yaniv Rosner7846e472009-11-05 19:18:07 +02005191 val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
5192 val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005193 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005194 MDIO_REG_BANK_CL73_IEEEB1,
5195 MDIO_CL73_IEEEB1_AN_ADV1, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005196}
5197
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005198static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
5199 struct link_params *params,
5200 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005201{
5202 struct bnx2x *bp = params->bp;
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00005203 u16 mii_control;
Eilon Greenstein239d6862009-08-12 08:23:04 +00005204
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005205 DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00005206 /* Enable and restart BAM/CL37 aneg */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005207
Eilon Greenstein239d6862009-08-12 08:23:04 +00005208 if (enable_cl73) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005209 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005210 MDIO_REG_BANK_CL73_IEEEB0,
5211 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5212 &mii_control);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005213
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005214 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005215 MDIO_REG_BANK_CL73_IEEEB0,
5216 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5217 (mii_control |
5218 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
5219 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
Eilon Greenstein239d6862009-08-12 08:23:04 +00005220 } else {
5221
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005222 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005223 MDIO_REG_BANK_COMBO_IEEE0,
5224 MDIO_COMBO_IEEE0_MII_CONTROL,
5225 &mii_control);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005226 DP(NETIF_MSG_LINK,
5227 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
5228 mii_control);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005229 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005230 MDIO_REG_BANK_COMBO_IEEE0,
5231 MDIO_COMBO_IEEE0_MII_CONTROL,
5232 (mii_control |
5233 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5234 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
Eilon Greenstein239d6862009-08-12 08:23:04 +00005235 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005236}
5237
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005238static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
5239 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005240 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005241{
5242 struct bnx2x *bp = params->bp;
5243 u16 control1;
5244
Yuval Mintzd2310232012-06-20 19:05:19 +00005245 /* In SGMII mode, the unicore is always slave */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005246
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005247 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005248 MDIO_REG_BANK_SERDES_DIGITAL,
5249 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5250 &control1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005251 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
Yuval Mintzd2310232012-06-20 19:05:19 +00005252 /* Set sgmii mode (and not fiber) */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005253 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
5254 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
5255 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005256 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005257 MDIO_REG_BANK_SERDES_DIGITAL,
5258 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5259 control1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005260
Yuval Mintzd2310232012-06-20 19:05:19 +00005261 /* If forced speed */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005262 if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Yuval Mintzd2310232012-06-20 19:05:19 +00005263 /* Set speed, disable autoneg */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005264 u16 mii_control;
5265
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005266 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005267 MDIO_REG_BANK_COMBO_IEEE0,
5268 MDIO_COMBO_IEEE0_MII_CONTROL,
5269 &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005270 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5271 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
5272 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
5273
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005274 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005275 case SPEED_100:
5276 mii_control |=
5277 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
5278 break;
5279 case SPEED_1000:
5280 mii_control |=
5281 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
5282 break;
5283 case SPEED_10:
Yuval Mintzd2310232012-06-20 19:05:19 +00005284 /* There is nothing to set for 10M */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005285 break;
5286 default:
Yuval Mintzd2310232012-06-20 19:05:19 +00005287 /* Invalid speed for SGMII */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005288 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5289 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005290 break;
5291 }
5292
Yuval Mintzd2310232012-06-20 19:05:19 +00005293 /* Setting the full duplex */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005294 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005295 mii_control |=
5296 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005297 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005298 MDIO_REG_BANK_COMBO_IEEE0,
5299 MDIO_COMBO_IEEE0_MII_CONTROL,
5300 mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005301
5302 } else { /* AN mode */
Yuval Mintzd2310232012-06-20 19:05:19 +00005303 /* Enable and restart AN */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005304 bnx2x_restart_autoneg(phy, params, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005305 }
5306}
5307
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00005308/* Link management
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005309 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005310static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
5311 struct link_params *params)
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02005312{
5313 struct bnx2x *bp = params->bp;
5314 u16 pd_10g, status2_1000x;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005315 if (phy->req_line_speed != SPEED_AUTO_NEG)
5316 return 0;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005317 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005318 MDIO_REG_BANK_SERDES_DIGITAL,
5319 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5320 &status2_1000x);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005321 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005322 MDIO_REG_BANK_SERDES_DIGITAL,
5323 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5324 &status2_1000x);
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02005325 if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
5326 DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
5327 params->port);
5328 return 1;
5329 }
5330
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005331 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005332 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5333 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
5334 &pd_10g);
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02005335
5336 if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
5337 DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
5338 params->port);
5339 return 1;
5340 }
5341 return 0;
5342}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005343
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005344static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
5345 struct link_params *params,
5346 struct link_vars *vars,
5347 u32 gp_status)
5348{
5349 u16 ld_pause; /* local driver */
5350 u16 lp_pause; /* link partner */
5351 u16 pause_result;
5352 struct bnx2x *bp = params->bp;
5353 if ((gp_status &
5354 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5355 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
5356 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5357 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
5358
5359 CL22_RD_OVER_CL45(bp, phy,
5360 MDIO_REG_BANK_CL73_IEEEB1,
5361 MDIO_CL73_IEEEB1_AN_ADV1,
5362 &ld_pause);
5363 CL22_RD_OVER_CL45(bp, phy,
5364 MDIO_REG_BANK_CL73_IEEEB1,
5365 MDIO_CL73_IEEEB1_AN_LP_ADV1,
5366 &lp_pause);
5367 pause_result = (ld_pause &
5368 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
5369 pause_result |= (lp_pause &
5370 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
5371 DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
5372 } else {
5373 CL22_RD_OVER_CL45(bp, phy,
5374 MDIO_REG_BANK_COMBO_IEEE0,
5375 MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
5376 &ld_pause);
5377 CL22_RD_OVER_CL45(bp, phy,
5378 MDIO_REG_BANK_COMBO_IEEE0,
5379 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
5380 &lp_pause);
5381 pause_result = (ld_pause &
5382 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
5383 pause_result |= (lp_pause &
5384 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
5385 DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
5386 }
5387 bnx2x_pause_resolve(vars, pause_result);
5388
5389}
5390
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005391static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
5392 struct link_params *params,
5393 struct link_vars *vars,
5394 u32 gp_status)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005395{
5396 struct bnx2x *bp = params->bp;
David S. Millerc0700f92008-12-16 23:53:20 -08005397 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005398
Yuval Mintzd2310232012-06-20 19:05:19 +00005399 /* Resolve from gp_status in case of AN complete and not sgmii */
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005400 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
5401 /* Update the advertised flow-controled of LD/LP in AN */
5402 if (phy->req_line_speed == SPEED_AUTO_NEG)
5403 bnx2x_update_adv_fc(phy, params, vars, gp_status);
5404 /* But set the flow-control result as the requested one */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005405 vars->flow_ctrl = phy->req_flow_ctrl;
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005406 } else if (phy->req_line_speed != SPEED_AUTO_NEG)
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005407 vars->flow_ctrl = params->req_fc_auto_adv;
5408 else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
5409 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005410 if (bnx2x_direct_parallel_detect_used(phy, params)) {
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02005411 vars->flow_ctrl = params->req_fc_auto_adv;
5412 return;
5413 }
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005414 bnx2x_update_adv_fc(phy, params, vars, gp_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005415 }
5416 DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
5417}
5418
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005419static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
5420 struct link_params *params)
Eilon Greenstein239d6862009-08-12 08:23:04 +00005421{
5422 struct bnx2x *bp = params->bp;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005423 u16 rx_status, ustat_val, cl37_fsm_received;
Eilon Greenstein239d6862009-08-12 08:23:04 +00005424 DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
5425 /* Step 1: Make sure signal is detected */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005426 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005427 MDIO_REG_BANK_RX0,
5428 MDIO_RX0_RX_STATUS,
5429 &rx_status);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005430 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
5431 (MDIO_RX0_RX_STATUS_SIGDET)) {
5432 DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
5433 "rx_status(0x80b0) = 0x%x\n", rx_status);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005434 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005435 MDIO_REG_BANK_CL73_IEEEB0,
5436 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5437 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005438 return;
5439 }
5440 /* Step 2: Check CL73 state machine */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005441 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005442 MDIO_REG_BANK_CL73_USERB0,
5443 MDIO_CL73_USERB0_CL73_USTAT1,
5444 &ustat_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005445 if ((ustat_val &
5446 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5447 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
5448 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5449 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
5450 DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
5451 "ustat_val(0x8371) = 0x%x\n", ustat_val);
5452 return;
5453 }
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00005454 /* Step 3: Check CL37 Message Pages received to indicate LP
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005455 * supports only CL37
5456 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005457 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005458 MDIO_REG_BANK_REMOTE_PHY,
5459 MDIO_REMOTE_PHY_MISC_RX_STATUS,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005460 &cl37_fsm_received);
5461 if ((cl37_fsm_received &
Eilon Greenstein239d6862009-08-12 08:23:04 +00005462 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5463 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
5464 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5465 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
5466 DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
5467 "misc_rx_status(0x8330) = 0x%x\n",
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005468 cl37_fsm_received);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005469 return;
5470 }
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00005471 /* The combined cl37/cl73 fsm state information indicating that
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005472 * we are connected to a device which does not support cl73, but
5473 * does support cl37 BAM. In this case we disable cl73 and
5474 * restart cl37 auto-neg
5475 */
5476
Eilon Greenstein239d6862009-08-12 08:23:04 +00005477 /* Disable CL73 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005478 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005479 MDIO_REG_BANK_CL73_IEEEB0,
5480 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5481 0);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005482 /* Restart CL37 autoneg */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005483 bnx2x_restart_autoneg(phy, params, 0);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005484 DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
5485}
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005486
5487static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
5488 struct link_params *params,
5489 struct link_vars *vars,
5490 u32 gp_status)
5491{
5492 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
5493 vars->link_status |=
5494 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5495
5496 if (bnx2x_direct_parallel_detect_used(phy, params))
5497 vars->link_status |=
5498 LINK_STATUS_PARALLEL_DETECTION_USED;
5499}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005500static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
5501 struct link_params *params,
5502 struct link_vars *vars,
5503 u16 is_link_up,
5504 u16 speed_mask,
5505 u16 is_duplex)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005506{
5507 struct bnx2x *bp = params->bp;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005508 if (phy->req_line_speed == SPEED_AUTO_NEG)
5509 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005510 if (is_link_up) {
5511 DP(NETIF_MSG_LINK, "phy link up\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005512
5513 vars->phy_link_up = 1;
5514 vars->link_status |= LINK_STATUS_LINK_UP;
5515
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005516 switch (speed_mask) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005517 case GP_STATUS_10M:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005518 vars->line_speed = SPEED_10;
Yaniv Rosner430d1722012-09-11 04:34:11 +00005519 if (is_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005520 vars->link_status |= LINK_10TFD;
5521 else
5522 vars->link_status |= LINK_10THD;
5523 break;
5524
5525 case GP_STATUS_100M:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005526 vars->line_speed = SPEED_100;
Yaniv Rosner430d1722012-09-11 04:34:11 +00005527 if (is_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005528 vars->link_status |= LINK_100TXFD;
5529 else
5530 vars->link_status |= LINK_100TXHD;
5531 break;
5532
5533 case GP_STATUS_1G:
5534 case GP_STATUS_1G_KX:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005535 vars->line_speed = SPEED_1000;
Yaniv Rosner430d1722012-09-11 04:34:11 +00005536 if (is_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005537 vars->link_status |= LINK_1000TFD;
5538 else
5539 vars->link_status |= LINK_1000THD;
5540 break;
5541
5542 case GP_STATUS_2_5G:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005543 vars->line_speed = SPEED_2500;
Yaniv Rosner430d1722012-09-11 04:34:11 +00005544 if (is_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005545 vars->link_status |= LINK_2500TFD;
5546 else
5547 vars->link_status |= LINK_2500THD;
5548 break;
5549
5550 case GP_STATUS_5G:
5551 case GP_STATUS_6G:
5552 DP(NETIF_MSG_LINK,
5553 "link speed unsupported gp_status 0x%x\n",
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005554 speed_mask);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005555 return -EINVAL;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005556
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005557 case GP_STATUS_10G_KX4:
5558 case GP_STATUS_10G_HIG:
5559 case GP_STATUS_10G_CX4:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005560 case GP_STATUS_10G_KR:
5561 case GP_STATUS_10G_SFI:
5562 case GP_STATUS_10G_XFI:
5563 vars->line_speed = SPEED_10000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005564 vars->link_status |= LINK_10GTFD;
5565 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005566 case GP_STATUS_20G_DXGXS:
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00005567 case GP_STATUS_20G_KR2:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005568 vars->line_speed = SPEED_20000;
5569 vars->link_status |= LINK_20GTFD;
5570 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005571 default:
5572 DP(NETIF_MSG_LINK,
5573 "link speed unsupported gp_status 0x%x\n",
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005574 speed_mask);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005575 return -EINVAL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005576 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005577 } else { /* link_down */
5578 DP(NETIF_MSG_LINK, "phy link down\n");
5579
5580 vars->phy_link_up = 0;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005581
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005582 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08005583 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005584 vars->mac_type = MAC_TYPE_NONE;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005585 }
5586 DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
5587 vars->phy_link_up, vars->line_speed);
5588 return 0;
5589}
Eilon Greenstein239d6862009-08-12 08:23:04 +00005590
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005591static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
5592 struct link_params *params,
5593 struct link_vars *vars)
5594{
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005595 struct bnx2x *bp = params->bp;
5596
5597 u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
5598 int rc = 0;
5599
5600 /* Read gp_status */
5601 CL22_RD_OVER_CL45(bp, phy,
5602 MDIO_REG_BANK_GP_STATUS,
5603 MDIO_GP_STATUS_TOP_AN_STATUS1,
5604 &gp_status);
5605 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
5606 duplex = DUPLEX_FULL;
5607 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
5608 link_up = 1;
5609 speed_mask = gp_status & GP_STATUS_SPEED_MASK;
5610 DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
5611 gp_status, link_up, speed_mask);
5612 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
5613 duplex);
5614 if (rc == -EINVAL)
5615 return rc;
5616
5617 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
5618 if (SINGLE_MEDIA_DIRECT(params)) {
Yaniv Rosner430d1722012-09-11 04:34:11 +00005619 vars->duplex = duplex;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005620 bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
5621 if (phy->req_line_speed == SPEED_AUTO_NEG)
5622 bnx2x_xgxs_an_resolve(phy, params, vars,
5623 gp_status);
5624 }
Yuval Mintzd2310232012-06-20 19:05:19 +00005625 } else { /* Link_down */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005626 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5627 SINGLE_MEDIA_DIRECT(params)) {
Eilon Greenstein239d6862009-08-12 08:23:04 +00005628 /* Check signal is detected */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005629 bnx2x_check_fallback_to_cl37(phy, params);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005630 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005631 }
5632
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005633 /* Read LP advertised speeds*/
5634 if (SINGLE_MEDIA_DIRECT(params) &&
5635 (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
5636 u16 val;
5637
5638 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
5639 MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
5640
5641 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5642 vars->link_status |=
5643 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5644 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5645 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5646 vars->link_status |=
5647 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5648
5649 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
5650 MDIO_OVER_1G_LP_UP1, &val);
5651
5652 if (val & MDIO_OVER_1G_UP1_2_5G)
5653 vars->link_status |=
5654 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5655 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5656 vars->link_status |=
5657 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5658 }
5659
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005660 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5661 vars->duplex, vars->flow_ctrl, vars->link_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005662 return rc;
5663}
5664
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005665static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
5666 struct link_params *params,
5667 struct link_vars *vars)
5668{
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005669 struct bnx2x *bp = params->bp;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005670 u8 lane;
5671 u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
5672 int rc = 0;
5673 lane = bnx2x_get_warpcore_lane(phy, params);
5674 /* Read gp_status */
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00005675 if ((params->loopback_mode) &&
5676 (phy->flags & FLAGS_WC_DUAL_MODE)) {
5677 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5678 MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5679 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5680 MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5681 link_up &= 0x1;
5682 } else if ((phy->req_line_speed > SPEED_10000) &&
5683 (phy->supported & SUPPORTED_20000baseMLD2_Full)) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005684 u16 temp_link_up;
5685 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5686 1, &temp_link_up);
5687 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5688 1, &link_up);
5689 DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
5690 temp_link_up, link_up);
5691 link_up &= (1<<2);
5692 if (link_up)
5693 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5694 } else {
5695 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00005696 MDIO_WC_REG_GP2_STATUS_GP_2_1,
5697 &gp_status1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005698 DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00005699 /* Check for either KR, 1G, or AN up. */
5700 link_up = ((gp_status1 >> 8) |
5701 (gp_status1 >> 12) |
5702 (gp_status1)) &
5703 (1 << lane);
5704 if (phy->supported & SUPPORTED_20000baseKR2_Full) {
5705 u16 an_link;
5706 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5707 MDIO_AN_REG_STATUS, &an_link);
5708 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5709 MDIO_AN_REG_STATUS, &an_link);
5710 link_up |= (an_link & (1<<2));
5711 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005712 if (link_up && SINGLE_MEDIA_DIRECT(params)) {
5713 u16 pd, gp_status4;
5714 if (phy->req_line_speed == SPEED_AUTO_NEG) {
5715 /* Check Autoneg complete */
5716 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5717 MDIO_WC_REG_GP2_STATUS_GP_2_4,
5718 &gp_status4);
5719 if (gp_status4 & ((1<<12)<<lane))
5720 vars->link_status |=
5721 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5722
5723 /* Check parallel detect used */
5724 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5725 MDIO_WC_REG_PAR_DET_10G_STATUS,
5726 &pd);
5727 if (pd & (1<<15))
5728 vars->link_status |=
5729 LINK_STATUS_PARALLEL_DETECTION_USED;
5730 }
5731 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner430d1722012-09-11 04:34:11 +00005732 vars->duplex = duplex;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005733 }
5734 }
5735
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005736 if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
5737 SINGLE_MEDIA_DIRECT(params)) {
5738 u16 val;
5739
5740 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5741 MDIO_AN_REG_LP_AUTO_NEG2, &val);
5742
5743 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5744 vars->link_status |=
5745 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5746 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5747 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5748 vars->link_status |=
5749 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5750
5751 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5752 MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
5753
5754 if (val & MDIO_OVER_1G_UP1_2_5G)
5755 vars->link_status |=
5756 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5757 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5758 vars->link_status |=
5759 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5760
5761 }
5762
5763
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005764 if (lane < 2) {
5765 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5766 MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
5767 } else {
5768 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5769 MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
5770 }
5771 DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
5772
5773 if ((lane & 1) == 0)
5774 gp_speed <<= 8;
5775 gp_speed &= 0x3f00;
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00005776 link_up = !!link_up;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005777
5778 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
5779 duplex);
5780
Yaniv Rosnerb6a9c1e2013-09-22 14:59:22 +03005781 /* In case of KR link down, start up the recovering procedure */
5782 if ((!link_up) && (phy->media_type == ETH_PHY_KR) &&
5783 (!(phy->flags & FLAGS_WC_DUAL_MODE)))
5784 vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
5785
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005786 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5787 vars->duplex, vars->flow_ctrl, vars->link_status);
5788 return rc;
5789}
Eilon Greensteined8680a2009-02-12 08:37:12 +00005790static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005791{
5792 struct bnx2x *bp = params->bp;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005793 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005794 u16 lp_up2;
5795 u16 tx_driver;
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005796 u16 bank;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005797
Yuval Mintzd2310232012-06-20 19:05:19 +00005798 /* Read precomp */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005799 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005800 MDIO_REG_BANK_OVER_1G,
5801 MDIO_OVER_1G_LP_UP2, &lp_up2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005802
Yuval Mintzd2310232012-06-20 19:05:19 +00005803 /* Bits [10:7] at lp_up2, positioned at [15:12] */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005804 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
5805 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
5806 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
5807
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005808 if (lp_up2 == 0)
5809 return;
5810
5811 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
5812 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005813 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005814 bank,
5815 MDIO_TX0_TX_DRIVER, &tx_driver);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005816
Yuval Mintzd2310232012-06-20 19:05:19 +00005817 /* Replace tx_driver bits [15:12] */
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005818 if (lp_up2 !=
5819 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
5820 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
5821 tx_driver |= lp_up2;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005822 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005823 bank,
5824 MDIO_TX0_TX_DRIVER, tx_driver);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005825 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005826 }
5827}
5828
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005829static int bnx2x_emac_program(struct link_params *params,
5830 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005831{
5832 struct bnx2x *bp = params->bp;
5833 u8 port = params->port;
5834 u16 mode = 0;
5835
5836 DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
5837 bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005838 EMAC_REG_EMAC_MODE,
5839 (EMAC_MODE_25G_MODE |
5840 EMAC_MODE_PORT_MII_10M |
5841 EMAC_MODE_HALF_DUPLEX));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005842 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005843 case SPEED_10:
5844 mode |= EMAC_MODE_PORT_MII_10M;
5845 break;
5846
5847 case SPEED_100:
5848 mode |= EMAC_MODE_PORT_MII;
5849 break;
5850
5851 case SPEED_1000:
5852 mode |= EMAC_MODE_PORT_GMII;
5853 break;
5854
5855 case SPEED_2500:
5856 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
5857 break;
5858
5859 default:
5860 /* 10G not valid for EMAC */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005861 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5862 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005863 return -EINVAL;
5864 }
5865
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005866 if (vars->duplex == DUPLEX_HALF)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005867 mode |= EMAC_MODE_HALF_DUPLEX;
5868 bnx2x_bits_en(bp,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005869 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
5870 mode);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005871
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005872 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005873 return 0;
5874}
5875
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005876static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
5877 struct link_params *params)
5878{
5879
5880 u16 bank, i = 0;
5881 struct bnx2x *bp = params->bp;
5882
5883 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
5884 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005885 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005886 bank,
5887 MDIO_RX0_RX_EQ_BOOST,
5888 phy->rx_preemphasis[i]);
5889 }
5890
5891 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
5892 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005893 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005894 bank,
5895 MDIO_TX0_TX_DRIVER,
5896 phy->tx_preemphasis[i]);
5897 }
5898}
5899
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005900static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
5901 struct link_params *params,
5902 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005903{
5904 struct bnx2x *bp = params->bp;
5905 u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
5906 (params->loopback_mode == LOOPBACK_XGXS));
5907 if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
5908 if (SINGLE_MEDIA_DIRECT(params) &&
5909 (params->feature_config_flags &
5910 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
5911 bnx2x_set_preemphasis(phy, params);
5912
Yuval Mintzd2310232012-06-20 19:05:19 +00005913 /* Forced speed requested? */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005914 if (vars->line_speed != SPEED_AUTO_NEG ||
5915 (SINGLE_MEDIA_DIRECT(params) &&
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005916 params->loopback_mode == LOOPBACK_EXT)) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005917 DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
5918
Yuval Mintzd2310232012-06-20 19:05:19 +00005919 /* Disable autoneg */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005920 bnx2x_set_autoneg(phy, params, vars, 0);
5921
Yuval Mintzd2310232012-06-20 19:05:19 +00005922 /* Program speed and duplex */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005923 bnx2x_program_serdes(phy, params, vars);
5924
5925 } else { /* AN_mode */
5926 DP(NETIF_MSG_LINK, "not SGMII, AN\n");
5927
5928 /* AN enabled */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005929 bnx2x_set_brcm_cl37_advertisement(phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005930
Yuval Mintzd2310232012-06-20 19:05:19 +00005931 /* Program duplex & pause advertisement (for aneg) */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005932 bnx2x_set_ieee_aneg_advertisement(phy, params,
5933 vars->ieee_fc);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005934
Yuval Mintzd2310232012-06-20 19:05:19 +00005935 /* Enable autoneg */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005936 bnx2x_set_autoneg(phy, params, vars, enable_cl73);
5937
Yuval Mintzd2310232012-06-20 19:05:19 +00005938 /* Enable and restart AN */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005939 bnx2x_restart_autoneg(phy, params, enable_cl73);
5940 }
5941
5942 } else { /* SGMII mode */
5943 DP(NETIF_MSG_LINK, "SGMII\n");
5944
5945 bnx2x_initialize_sgmii_process(phy, params, vars);
5946 }
5947}
5948
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005949static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
5950 struct link_params *params,
5951 struct link_vars *vars)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005952{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005953 int rc;
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005954 vars->phy_flags |= PHY_XGXS_FLAG;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005955 if ((phy->req_line_speed &&
5956 ((phy->req_line_speed == SPEED_100) ||
5957 (phy->req_line_speed == SPEED_10))) ||
5958 (!phy->req_line_speed &&
5959 (phy->speed_cap_mask >=
5960 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
5961 (phy->speed_cap_mask <
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005962 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5963 (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005964 vars->phy_flags |= PHY_SGMII_FLAG;
5965 else
5966 vars->phy_flags &= ~PHY_SGMII_FLAG;
5967
5968 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005969 bnx2x_set_aer_mmd(params, phy);
5970 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
5971 bnx2x_set_master_ln(params, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005972
5973 rc = bnx2x_reset_unicore(params, phy, 0);
Yuval Mintzd2310232012-06-20 19:05:19 +00005974 /* Reset the SerDes and wait for reset bit return low */
5975 if (rc)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005976 return rc;
5977
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005978 bnx2x_set_aer_mmd(params, phy);
Yuval Mintzd2310232012-06-20 19:05:19 +00005979 /* Setting the masterLn_def again after the reset */
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005980 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
5981 bnx2x_set_master_ln(params, phy);
5982 bnx2x_set_swap_lanes(params, phy);
5983 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005984
5985 return rc;
5986}
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005987
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005988static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
Yaniv Rosner6d870c32011-01-31 04:22:20 +00005989 struct bnx2x_phy *phy,
5990 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005991{
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005992 u16 cnt, ctrl;
Lucas De Marchi25985ed2011-03-30 22:57:33 -03005993 /* Wait for soft reset to get cleared up to 1 sec */
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005994 for (cnt = 0; cnt < 1000; cnt++) {
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +00005995 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
Yaniv Rosner6583e332011-06-14 01:34:17 +00005996 bnx2x_cl22_read(bp, phy,
5997 MDIO_PMA_REG_CTRL, &ctrl);
5998 else
5999 bnx2x_cl45_read(bp, phy,
6000 MDIO_PMA_DEVAD,
6001 MDIO_PMA_REG_CTRL, &ctrl);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00006002 if (!(ctrl & (1<<15)))
6003 break;
Yuval Mintzd2310232012-06-20 19:05:19 +00006004 usleep_range(1000, 2000);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00006005 }
Yaniv Rosner6d870c32011-01-31 04:22:20 +00006006
6007 if (cnt == 1000)
6008 netdev_err(bp->dev, "Warning: PHY was not initialized,"
6009 " Port %d\n",
6010 params->port);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00006011 DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
6012 return cnt;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006013}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006014
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006015static void bnx2x_link_int_enable(struct link_params *params)
6016{
6017 u8 port = params->port;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006018 u32 mask;
6019 struct bnx2x *bp = params->bp;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00006020
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006021 /* Setting the status to report on link up for either XGXS or SerDes */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006022 if (CHIP_IS_E3(bp)) {
6023 mask = NIG_MASK_XGXS0_LINK_STATUS;
6024 if (!(SINGLE_MEDIA_DIRECT(params)))
6025 mask |= NIG_MASK_MI_INT;
6026 } else if (params->switch_cfg == SWITCH_CFG_10G) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006027 mask = (NIG_MASK_XGXS0_LINK10G |
6028 NIG_MASK_XGXS0_LINK_STATUS);
6029 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006030 if (!(SINGLE_MEDIA_DIRECT(params)) &&
6031 params->phy[INT_PHY].type !=
6032 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006033 mask |= NIG_MASK_MI_INT;
6034 DP(NETIF_MSG_LINK, "enabled external phy int\n");
6035 }
6036
6037 } else { /* SerDes */
6038 mask = NIG_MASK_SERDES0_LINK_STATUS;
6039 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006040 if (!(SINGLE_MEDIA_DIRECT(params)) &&
6041 params->phy[INT_PHY].type !=
6042 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006043 mask |= NIG_MASK_MI_INT;
6044 DP(NETIF_MSG_LINK, "enabled external phy int\n");
6045 }
6046 }
6047 bnx2x_bits_en(bp,
6048 NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
6049 mask);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00006050
6051 DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006052 (params->switch_cfg == SWITCH_CFG_10G),
6053 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006054 DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
6055 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6056 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
6057 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
6058 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6059 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6060 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6061}
6062
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006063static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
6064 u8 exp_mi_int)
Eilon Greenstein2f904462009-08-12 08:22:16 +00006065{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006066 u32 latch_status = 0;
6067
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006068 /* Disable the MI INT ( external phy int ) by writing 1 to the
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006069 * status register. Link down indication is high-active-signal,
6070 * so in this case we need to write the status to clear the XOR
Eilon Greenstein2f904462009-08-12 08:22:16 +00006071 */
6072 /* Read Latched signals */
6073 latch_status = REG_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006074 NIG_REG_LATCH_STATUS_0 + port*8);
6075 DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
Eilon Greenstein2f904462009-08-12 08:22:16 +00006076 /* Handle only those with latched-signal=up.*/
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006077 if (exp_mi_int)
6078 bnx2x_bits_en(bp,
6079 NIG_REG_STATUS_INTERRUPT_PORT0
6080 + port*4,
6081 NIG_STATUS_EMAC0_MI_INT);
6082 else
6083 bnx2x_bits_dis(bp,
6084 NIG_REG_STATUS_INTERRUPT_PORT0
6085 + port*4,
6086 NIG_STATUS_EMAC0_MI_INT);
6087
Eilon Greenstein2f904462009-08-12 08:22:16 +00006088 if (latch_status & 1) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006089
Eilon Greenstein2f904462009-08-12 08:22:16 +00006090 /* For all latched-signal=up : Re-Arm Latch signals */
6091 REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006092 (latch_status & 0xfffe) | (latch_status & 1));
Eilon Greenstein2f904462009-08-12 08:22:16 +00006093 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006094 /* For all latched-signal=up,Write original_signal to status */
Eilon Greenstein2f904462009-08-12 08:22:16 +00006095}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006096
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006097static void bnx2x_link_int_ack(struct link_params *params,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006098 struct link_vars *vars, u8 is_10g_plus)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006099{
6100 struct bnx2x *bp = params->bp;
6101 u8 port = params->port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006102 u32 mask;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006103 /* First reset all status we assume only one line will be
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006104 * change at a time
6105 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006106 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006107 (NIG_STATUS_XGXS0_LINK10G |
6108 NIG_STATUS_XGXS0_LINK_STATUS |
6109 NIG_STATUS_SERDES0_LINK_STATUS));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006110 if (vars->phy_link_up) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006111 if (USES_WARPCORE(bp))
6112 mask = NIG_STATUS_XGXS0_LINK_STATUS;
6113 else {
6114 if (is_10g_plus)
6115 mask = NIG_STATUS_XGXS0_LINK10G;
6116 else if (params->switch_cfg == SWITCH_CFG_10G) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006117 /* Disable the link interrupt by writing 1 to
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006118 * the relevant lane in the status register
6119 */
6120 u32 ser_lane =
6121 ((params->lane_config &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006122 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
6123 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006124 mask = ((1 << ser_lane) <<
6125 NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
6126 } else
6127 mask = NIG_STATUS_SERDES0_LINK_STATUS;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006128 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006129 DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
6130 mask);
6131 bnx2x_bits_en(bp,
6132 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6133 mask);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006134 }
6135}
6136
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006137static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006138{
6139 u8 *str_ptr = str;
6140 u32 mask = 0xf0000000;
6141 u8 shift = 8*4;
6142 u8 digit;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006143 u8 remove_leading_zeros = 1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006144 if (*len < 10) {
Frederik Schwarzer025dfda2008-10-16 19:02:37 +02006145 /* Need more than 10chars for this format */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006146 *str_ptr = '\0';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006147 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006148 return -EINVAL;
6149 }
6150 while (shift > 0) {
6151
6152 shift -= 4;
6153 digit = ((num & mask) >> shift);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006154 if (digit == 0 && remove_leading_zeros) {
6155 mask = mask >> 4;
6156 continue;
6157 } else if (digit < 0xa)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006158 *str_ptr = digit + '0';
6159 else
6160 *str_ptr = digit - 0xa + 'a';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006161 remove_leading_zeros = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006162 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006163 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006164 mask = mask >> 4;
6165 if (shift == 4*4) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006166 *str_ptr = '.';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006167 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006168 (*len)--;
6169 remove_leading_zeros = 1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006170 }
6171 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006172 return 0;
6173}
6174
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006175
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006176static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006177{
6178 str[0] = '\0';
6179 (*len)--;
6180 return 0;
6181}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006182
Mintz Yuvala1e785e2012-02-15 02:10:32 +00006183int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
6184 u16 len)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006185{
Julia Lawall0376d5b2009-07-19 05:26:35 +00006186 struct bnx2x *bp;
Eilon Greensteina35da8d2009-02-12 08:37:02 +00006187 u32 spirom_ver = 0;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006188 int status = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006189 u8 *ver_p = version;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006190 u16 remain_len = len;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006191 if (version == NULL || params == NULL)
6192 return -EINVAL;
Julia Lawall0376d5b2009-07-19 05:26:35 +00006193 bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006194
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006195 /* Extract first external phy*/
6196 version[0] = '\0';
6197 spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
Eilon Greensteina35da8d2009-02-12 08:37:02 +00006198
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006199 if (params->phy[EXT_PHY1].format_fw_ver) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006200 status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
6201 ver_p,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006202 &remain_len);
6203 ver_p += (len - remain_len);
6204 }
6205 if ((params->num_phys == MAX_PHYS) &&
6206 (params->phy[EXT_PHY2].ver_addr != 0)) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006207 spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006208 if (params->phy[EXT_PHY2].format_fw_ver) {
6209 *ver_p = '/';
6210 ver_p++;
6211 remain_len--;
6212 status |= params->phy[EXT_PHY2].format_fw_ver(
6213 spirom_ver,
6214 ver_p,
6215 &remain_len);
6216 ver_p = version + (len - remain_len);
6217 }
6218 }
6219 *ver_p = '\0';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006220 return status;
6221}
6222
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006223static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
Yaniv Rosner62b29a52010-09-07 11:40:58 +00006224 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006225{
6226 u8 port = params->port;
6227 struct bnx2x *bp = params->bp;
6228
Yaniv Rosner62b29a52010-09-07 11:40:58 +00006229 if (phy->req_line_speed != SPEED_1000) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006230 u32 md_devad = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006231
6232 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
6233
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006234 if (!CHIP_IS_E3(bp)) {
Yuval Mintzd2310232012-06-20 19:05:19 +00006235 /* Change the uni_phy_addr in the nig */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006236 md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
6237 port*0x18));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006238
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006239 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6240 0x5);
6241 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006242
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006243 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006244 5,
6245 (MDIO_REG_BANK_AER_BLOCK +
6246 (MDIO_AER_BLOCK_AER_REG & 0xf)),
6247 0x2800);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006248
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006249 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006250 5,
6251 (MDIO_REG_BANK_CL73_IEEEB0 +
6252 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
6253 0x6041);
Eilon Greenstein38582762009-01-14 06:44:16 +00006254 msleep(200);
Yuval Mintzd2310232012-06-20 19:05:19 +00006255 /* Set aer mmd back */
Yaniv Rosnerec146a62011-05-31 21:29:27 +00006256 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006257
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006258 if (!CHIP_IS_E3(bp)) {
Yuval Mintzd2310232012-06-20 19:05:19 +00006259 /* And md_devad */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006260 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6261 md_devad);
6262 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006263 } else {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006264 u16 mii_ctrl;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006265 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006266 bnx2x_cl45_read(bp, phy, 5,
6267 (MDIO_REG_BANK_COMBO_IEEE0 +
6268 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6269 &mii_ctrl);
6270 bnx2x_cl45_write(bp, phy, 5,
6271 (MDIO_REG_BANK_COMBO_IEEE0 +
6272 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6273 mii_ctrl |
6274 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006275 }
6276}
6277
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006278int bnx2x_set_led(struct link_params *params,
6279 struct link_vars *vars, u8 mode, u32 speed)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006280{
Yaniv Rosner7846e472009-11-05 19:18:07 +02006281 u8 port = params->port;
6282 u16 hw_led_mode = params->hw_led_mode;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006283 int rc = 0;
6284 u8 phy_idx;
Eilon Greenstein345b5d52008-08-13 15:58:12 -07006285 u32 tmp;
6286 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Yaniv Rosner7846e472009-11-05 19:18:07 +02006287 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006288 DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
6289 DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
6290 speed, hw_led_mode);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006291 /* In case */
6292 for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
6293 if (params->phy[phy_idx].set_link_led) {
6294 params->phy[phy_idx].set_link_led(
6295 &params->phy[phy_idx], params, mode);
6296 }
6297 }
6298
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006299 switch (mode) {
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006300 case LED_MODE_FRONT_PANEL_OFF:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006301 case LED_MODE_OFF:
6302 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
6303 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006304 SHARED_HW_CFG_LED_MAC1);
Eilon Greenstein345b5d52008-08-13 15:58:12 -07006305
6306 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Yaniv Rosner001cea72011-10-27 05:09:48 +00006307 if (params->phy[EXT_PHY1].type ==
Yaniv Rosner9379c9b2012-04-04 01:28:58 +00006308 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6309 tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
6310 EMAC_LED_100MB_OVERRIDE |
6311 EMAC_LED_10MB_OVERRIDE);
6312 else
6313 tmp |= EMAC_LED_OVERRIDE;
6314
6315 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006316 break;
6317
6318 case LED_MODE_OPER:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006319 /* For all other phys, OPER mode is same as ON, so in case
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006320 * link is down, do nothing
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006321 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006322 if (!vars->link_up)
6323 break;
6324 case LED_MODE_ON:
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00006325 if (((params->phy[EXT_PHY1].type ==
6326 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
6327 (params->phy[EXT_PHY1].type ==
6328 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
Yaniv Rosner1f483532011-01-18 04:33:31 +00006329 CHIP_IS_E2(bp) && params->num_phys == 2) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006330 /* This is a work-around for E2+8727 Configurations */
Yaniv Rosner1f483532011-01-18 04:33:31 +00006331 if (mode == LED_MODE_ON ||
6332 speed == SPEED_10000){
6333 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6334 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6335
6336 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6337 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6338 (tmp | EMAC_LED_OVERRIDE));
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006339 /* Return here without enabling traffic
David S. Miller8decf862011-09-22 03:23:13 -04006340 * LED blink and setting rate in ON mode.
Yaniv Rosner793bd452011-08-02 22:59:40 +00006341 * In oper mode, enabling LED blink
6342 * and setting rate is needed.
6343 */
6344 if (mode == LED_MODE_ON)
6345 return rc;
Yaniv Rosner1f483532011-01-18 04:33:31 +00006346 }
Yaniv Rosner793bd452011-08-02 22:59:40 +00006347 } else if (SINGLE_MEDIA_DIRECT(params)) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006348 /* This is a work-around for HW issue found when link
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006349 * is up in CL73
6350 */
David S. Miller8decf862011-09-22 03:23:13 -04006351 if ((!CHIP_IS_E3(bp)) ||
6352 (CHIP_IS_E3(bp) &&
6353 mode == LED_MODE_ON))
6354 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6355
Yaniv Rosner793bd452011-08-02 22:59:40 +00006356 if (CHIP_IS_E1x(bp) ||
6357 CHIP_IS_E2(bp) ||
6358 (mode == LED_MODE_ON))
6359 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6360 else
6361 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6362 hw_led_mode);
Yaniv Rosner001cea72011-10-27 05:09:48 +00006363 } else if ((params->phy[EXT_PHY1].type ==
6364 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
Yaniv Rosner9379c9b2012-04-04 01:28:58 +00006365 (mode == LED_MODE_ON)) {
Yaniv Rosner001cea72011-10-27 05:09:48 +00006366 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6367 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Yaniv Rosner9379c9b2012-04-04 01:28:58 +00006368 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
6369 EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
6370 /* Break here; otherwise, it'll disable the
6371 * intended override.
6372 */
6373 break;
Yaniv Rosner793bd452011-08-02 22:59:40 +00006374 } else
Yaniv Rosner001cea72011-10-27 05:09:48 +00006375 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6376 hw_led_mode);
Yaniv Rosner7846e472009-11-05 19:18:07 +02006377
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006378 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006379 /* Set blinking rate to ~15.9Hz */
Yaniv Rosner26ffaf32011-10-27 05:09:45 +00006380 if (CHIP_IS_E3(bp))
6381 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6382 LED_BLINK_RATE_VAL_E3);
6383 else
6384 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6385 LED_BLINK_RATE_VAL_E1X_E2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006386 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006387 port*4, 1);
Yaniv Rosner9379c9b2012-04-04 01:28:58 +00006388 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6389 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6390 (tmp & (~EMAC_LED_OVERRIDE)));
Eilon Greenstein345b5d52008-08-13 15:58:12 -07006391
Yaniv Rosner7846e472009-11-05 19:18:07 +02006392 if (CHIP_IS_E1(bp) &&
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006393 ((speed == SPEED_2500) ||
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006394 (speed == SPEED_1000) ||
6395 (speed == SPEED_100) ||
6396 (speed == SPEED_10))) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006397 /* For speeds less than 10G LED scheme is different */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006398 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006399 + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006400 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006401 port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006402 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006403 port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006404 }
6405 break;
6406
6407 default:
6408 rc = -EINVAL;
6409 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
6410 mode);
6411 break;
6412 }
6413 return rc;
6414
6415}
6416
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006417/* This function comes to reflect the actual link state read DIRECTLY from the
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006418 * HW
6419 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006420int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
6421 u8 is_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006422{
6423 struct bnx2x *bp = params->bp;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006424 u16 gp_status = 0, phy_index = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006425 u8 ext_phy_link_up = 0, serdes_phy_type;
6426 struct link_vars temp_vars;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006427 struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006428
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006429 if (CHIP_IS_E3(bp)) {
6430 u16 link_up;
6431 if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
6432 > SPEED_10000) {
6433 /* Check 20G link */
6434 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6435 1, &link_up);
6436 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6437 1, &link_up);
6438 link_up &= (1<<2);
6439 } else {
6440 /* Check 10G link and below*/
6441 u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
6442 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6443 MDIO_WC_REG_GP2_STATUS_GP_2_1,
6444 &gp_status);
6445 gp_status = ((gp_status >> 8) & 0xf) |
6446 ((gp_status >> 12) & 0xf);
6447 link_up = gp_status & (1 << lane);
6448 }
6449 if (!link_up)
6450 return -ESRCH;
6451 } else {
6452 CL22_RD_OVER_CL45(bp, int_phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006453 MDIO_REG_BANK_GP_STATUS,
6454 MDIO_GP_STATUS_TOP_AN_STATUS1,
6455 &gp_status);
Yuval Mintzd2310232012-06-20 19:05:19 +00006456 /* Link is up only if both local phy and external phy are up */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006457 if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
6458 return -ESRCH;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006459 }
6460 /* In XGXS loopback mode, do not check external PHY */
6461 if (params->loopback_mode == LOOPBACK_XGXS)
6462 return 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006463
6464 switch (params->num_phys) {
6465 case 1:
6466 /* No external PHY */
6467 return 0;
6468 case 2:
6469 ext_phy_link_up = params->phy[EXT_PHY1].read_status(
6470 &params->phy[EXT_PHY1],
6471 params, &temp_vars);
6472 break;
6473 case 3: /* Dual Media */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006474 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6475 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006476 serdes_phy_type = ((params->phy[phy_index].media_type ==
Yuval Mintzdbef8072012-06-20 19:05:22 +00006477 ETH_PHY_SFPP_10G_FIBER) ||
6478 (params->phy[phy_index].media_type ==
6479 ETH_PHY_SFP_1G_FIBER) ||
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006480 (params->phy[phy_index].media_type ==
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00006481 ETH_PHY_XFP_FIBER) ||
6482 (params->phy[phy_index].media_type ==
6483 ETH_PHY_DA_TWINAX));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006484
6485 if (is_serdes != serdes_phy_type)
6486 continue;
6487 if (params->phy[phy_index].read_status) {
6488 ext_phy_link_up |=
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006489 params->phy[phy_index].read_status(
6490 &params->phy[phy_index],
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006491 params, &temp_vars);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006492 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006493 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006494 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006495 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006496 if (ext_phy_link_up)
6497 return 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006498 return -ESRCH;
6499}
6500
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006501static int bnx2x_link_initialize(struct link_params *params,
6502 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006503{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006504 int rc = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006505 u8 phy_index, non_ext_phy;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006506 struct bnx2x *bp = params->bp;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006507 /* In case of external phy existence, the line speed would be the
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006508 * line speed linked up by the external phy. In case it is direct
6509 * only, then the line_speed during initialization will be
6510 * equal to the req_line_speed
6511 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006512 vars->line_speed = params->phy[INT_PHY].req_line_speed;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006513
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006514 /* Initialize the internal phy in case this is a direct board
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006515 * (no external phys), or this board has external phy which requires
6516 * to first.
6517 */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006518 if (!USES_WARPCORE(bp))
6519 bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006520 /* init ext phy and enable link state int */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006521 non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006522 (params->loopback_mode == LOOPBACK_XGXS));
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006523
6524 if (non_ext_phy ||
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006525 (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
Eilon Greenstein8660d8c2009-03-02 08:01:02 +00006526 (params->loopback_mode == LOOPBACK_EXT_PHY)) {
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006527 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006528 if (vars->line_speed == SPEED_AUTO_NEG &&
6529 (CHIP_IS_E1x(bp) ||
Eilon Greenstein937e5c32013-09-06 12:55:02 +03006530 CHIP_IS_E2(bp)))
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006531 bnx2x_set_parallel_detection(phy, params);
Eilon Greenstein937e5c32013-09-06 12:55:02 +03006532 if (params->phy[INT_PHY].config_init)
6533 params->phy[INT_PHY].config_init(phy, params, vars);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006534 }
6535
Yaniv Rosner0afbd742013-09-22 14:59:24 +03006536 /* Re-read this value in case it was changed inside config_init due to
6537 * limitations of optic module
6538 */
6539 vars->line_speed = params->phy[INT_PHY].req_line_speed;
6540
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006541 /* Init external phy*/
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006542 if (non_ext_phy) {
6543 if (params->phy[INT_PHY].supported &
6544 SUPPORTED_FIBRE)
6545 vars->link_status |= LINK_STATUS_SERDES_LINK;
6546 } else {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006547 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6548 phy_index++) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006549 /* No need to initialize second phy in case of first
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006550 * phy only selection. In case of second phy, we do
6551 * need to initialize the first phy, since they are
6552 * connected.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006553 */
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006554 if (params->phy[phy_index].supported &
6555 SUPPORTED_FIBRE)
6556 vars->link_status |= LINK_STATUS_SERDES_LINK;
6557
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006558 if (phy_index == EXT_PHY2 &&
6559 (bnx2x_phy_selection(params) ==
6560 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
Joe Perches94f05b02011-08-14 12:16:20 +00006561 DP(NETIF_MSG_LINK,
6562 "Not initializing second phy\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006563 continue;
6564 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006565 params->phy[phy_index].config_init(
6566 &params->phy[phy_index],
6567 params, vars);
6568 }
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006569 }
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006570 /* Reset the interrupt indication after phy was initialized */
6571 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
6572 params->port*4,
6573 (NIG_STATUS_XGXS0_LINK10G |
6574 NIG_STATUS_XGXS0_LINK_STATUS |
6575 NIG_STATUS_SERDES0_LINK_STATUS |
6576 NIG_MASK_MI_INT));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006577 return rc;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006578}
6579
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006580static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
6581 struct link_params *params)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006582{
Yuval Mintzd2310232012-06-20 19:05:19 +00006583 /* Reset the SerDes/XGXS */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006584 REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6585 (0x1ff << (params->port*16)));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006586}
6587
6588static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
6589 struct link_params *params)
6590{
6591 struct bnx2x *bp = params->bp;
6592 u8 gpio_port;
6593 /* HW reset */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006594 if (CHIP_IS_E2(bp))
6595 gpio_port = BP_PATH(bp);
6596 else
6597 gpio_port = params->port;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006598 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006599 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6600 gpio_port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006601 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006602 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6603 gpio_port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006604 DP(NETIF_MSG_LINK, "reset external PHY\n");
6605}
6606
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006607static int bnx2x_update_link_down(struct link_params *params,
6608 struct link_vars *vars)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006609{
6610 struct bnx2x *bp = params->bp;
6611 u8 port = params->port;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00006612
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006613 DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006614 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006615 vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
Yuval Mintzd2310232012-06-20 19:05:19 +00006616 /* Indicate no mac active */
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006617 vars->mac_type = MAC_TYPE_NONE;
6618
Yuval Mintzd2310232012-06-20 19:05:19 +00006619 /* Update shared memory */
Yaniv Rosner49781402012-10-31 05:46:55 +00006620 vars->link_status &= ~LINK_UPDATE_MASK;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006621 vars->line_speed = 0;
6622 bnx2x_update_mng(params, vars->link_status);
6623
Yuval Mintzd2310232012-06-20 19:05:19 +00006624 /* Activate nig drain */
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006625 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6626
Yuval Mintzd2310232012-06-20 19:05:19 +00006627 /* Disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006628 if (!CHIP_IS_E3(bp))
6629 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006630
Yuval Mintzd2310232012-06-20 19:05:19 +00006631 usleep_range(10000, 20000);
6632 /* Reset BigMac/Xmac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006633 if (CHIP_IS_E1x(bp) ||
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00006634 CHIP_IS_E2(bp))
6635 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
6636
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00006637 if (CHIP_IS_E3(bp)) {
Yuval Mintzd2310232012-06-20 19:05:19 +00006638 /* Prevent LPI Generation by chip */
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006639 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
6640 0);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006641 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
6642 0);
6643 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
6644 SHMEM_EEE_ACTIVE_BIT);
6645
6646 bnx2x_update_mng_eee(params, vars->eee_status);
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00006647 bnx2x_set_xmac_rxtx(params, 0);
6648 bnx2x_set_umac_rxtx(params, 0);
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00006649 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006650
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006651 return 0;
6652}
6653
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006654static int bnx2x_update_link_up(struct link_params *params,
6655 struct link_vars *vars,
6656 u8 link_10g)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006657{
6658 struct bnx2x *bp = params->bp;
Yaniv Rosner55098c52012-04-03 18:41:27 +00006659 u8 phy_idx, port = params->port;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006660 int rc = 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00006661
Yaniv Rosnerde6f3372011-08-02 22:59:25 +00006662 vars->link_status |= (LINK_STATUS_LINK_UP |
6663 LINK_STATUS_PHYSICAL_LINK_FLAG);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006664 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006665
Yaniv Rosner7aa07112010-09-07 11:41:01 +00006666 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
6667 vars->link_status |=
6668 LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
6669
6670 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
6671 vars->link_status |=
6672 LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006673 if (USES_WARPCORE(bp)) {
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006674 if (link_10g) {
6675 if (bnx2x_xmac_enable(params, vars, 0) ==
6676 -ESRCH) {
6677 DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
6678 vars->link_up = 0;
6679 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6680 vars->link_status &= ~LINK_STATUS_LINK_UP;
6681 }
6682 } else
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006683 bnx2x_umac_enable(params, vars, 0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006684 bnx2x_set_led(params, vars,
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006685 LED_MODE_OPER, vars->line_speed);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006686
6687 if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
6688 (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
6689 DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
6690 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
6691 (params->port << 2), 1);
6692 REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
6693 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
6694 (params->port << 2), 0xfc20);
6695 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006696 }
6697 if ((CHIP_IS_E1x(bp) ||
6698 CHIP_IS_E2(bp))) {
6699 if (link_10g) {
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00006700 if (bnx2x_bmac_enable(params, vars, 0, 1) ==
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006701 -ESRCH) {
6702 DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
6703 vars->link_up = 0;
6704 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6705 vars->link_status &= ~LINK_STATUS_LINK_UP;
6706 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006707
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006708 bnx2x_set_led(params, vars,
6709 LED_MODE_OPER, SPEED_10000);
6710 } else {
6711 rc = bnx2x_emac_program(params, vars);
6712 bnx2x_emac_enable(params, vars, 0);
Yaniv Rosner0c786f02009-11-05 19:18:32 +02006713
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006714 /* AN complete? */
6715 if ((vars->link_status &
6716 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
6717 && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
6718 SINGLE_MEDIA_DIRECT(params))
6719 bnx2x_set_gmii_tx_driver(params);
6720 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006721 }
6722
6723 /* PBF - link up */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006724 if (CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006725 rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6726 vars->line_speed);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006727
Yuval Mintzd2310232012-06-20 19:05:19 +00006728 /* Disable drain */
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006729 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
6730
Yuval Mintzd2310232012-06-20 19:05:19 +00006731 /* Update shared memory */
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006732 bnx2x_update_mng(params, vars->link_status);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006733 bnx2x_update_mng_eee(params, vars->eee_status);
Yaniv Rosner55098c52012-04-03 18:41:27 +00006734 /* Check remote fault */
6735 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
6736 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
6737 bnx2x_check_half_open_conn(params, vars, 0);
6738 break;
6739 }
6740 }
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006741 msleep(20);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006742 return rc;
6743}
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006744/* The bnx2x_link_update function should be called upon link
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006745 * interrupt.
6746 * Link is considered up as follows:
6747 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
6748 * to be up
6749 * - SINGLE_MEDIA - The link between the 577xx and the external
6750 * phy (XGXS) need to up as well as the external link of the
6751 * phy (PHY_EXT1)
6752 * - DUAL_MEDIA - The link between the 577xx and the first
6753 * external phy needs to be up, and at least one of the 2
6754 * external phy link must be up.
Yaniv Rosner62b29a52010-09-07 11:40:58 +00006755 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006756int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006757{
6758 struct bnx2x *bp = params->bp;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006759 struct link_vars phy_vars[MAX_PHYS];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006760 u8 port = params->port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006761 u8 link_10g_plus, phy_index;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006762 u8 ext_phy_link_up = 0, cur_link_up;
6763 int rc = 0;
Eilon Greenstein2f904462009-08-12 08:22:16 +00006764 u8 is_mi_int = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006765 u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
6766 u8 active_external_phy = INT_PHY;
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006767 vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
Yaniv Rosner49781402012-10-31 05:46:55 +00006768 vars->link_status &= ~LINK_UPDATE_MASK;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006769 for (phy_index = INT_PHY; phy_index < params->num_phys;
6770 phy_index++) {
6771 phy_vars[phy_index].flow_ctrl = 0;
6772 phy_vars[phy_index].link_status = 0;
6773 phy_vars[phy_index].line_speed = 0;
6774 phy_vars[phy_index].duplex = DUPLEX_FULL;
6775 phy_vars[phy_index].phy_link_up = 0;
6776 phy_vars[phy_index].link_up = 0;
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00006777 phy_vars[phy_index].fault_detected = 0;
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006778 /* different consideration, since vars holds inner state */
6779 phy_vars[phy_index].eee_status = vars->eee_status;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006780 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006781
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006782 if (USES_WARPCORE(bp))
6783 bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
6784
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006785 DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00006786 port, (vars->phy_flags & PHY_XGXS_FLAG),
6787 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006788
Eilon Greenstein2f904462009-08-12 08:22:16 +00006789 is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006790 port*0x18) > 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006791 DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00006792 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6793 is_mi_int,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006794 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006795
6796 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6797 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6798 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6799
Yuval Mintzd2310232012-06-20 19:05:19 +00006800 /* Disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006801 if (!CHIP_IS_E3(bp))
6802 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006803
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006804 /* Step 1:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006805 * Check external link change only for external phys, and apply
6806 * priority selection between them in case the link on both phys
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006807 * is up. Note that instead of the common vars, a temporary
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006808 * vars argument is used since each phy may have different link/
6809 * speed/duplex result
6810 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006811 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6812 phy_index++) {
6813 struct bnx2x_phy *phy = &params->phy[phy_index];
6814 if (!phy->read_status)
6815 continue;
6816 /* Read link status and params of this ext phy */
6817 cur_link_up = phy->read_status(phy, params,
6818 &phy_vars[phy_index]);
6819 if (cur_link_up) {
6820 DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
6821 phy_index);
6822 } else {
6823 DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
6824 phy_index);
6825 continue;
6826 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006827
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006828 if (!ext_phy_link_up) {
6829 ext_phy_link_up = 1;
6830 active_external_phy = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006831 } else {
6832 switch (bnx2x_phy_selection(params)) {
6833 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6834 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006835 /* In this option, the first PHY makes sure to pass the
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006836 * traffic through itself only.
6837 * Its not clear how to reset the link on the second phy
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006838 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006839 active_external_phy = EXT_PHY1;
6840 break;
6841 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006842 /* In this option, the first PHY makes sure to pass the
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006843 * traffic through the second PHY.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006844 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006845 active_external_phy = EXT_PHY2;
6846 break;
6847 default:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006848 /* Link indication on both PHYs with the following cases
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006849 * is invalid:
6850 * - FIRST_PHY means that second phy wasn't initialized,
6851 * hence its link is expected to be down
6852 * - SECOND_PHY means that first phy should not be able
6853 * to link up by itself (using configuration)
6854 * - DEFAULT should be overriden during initialiazation
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006855 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006856 DP(NETIF_MSG_LINK, "Invalid link indication"
6857 "mpc=0x%x. DISABLING LINK !!!\n",
6858 params->multi_phy_config);
6859 ext_phy_link_up = 0;
6860 break;
6861 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006862 }
6863 }
6864 prev_line_speed = vars->line_speed;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006865 /* Step 2:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006866 * Read the status of the internal phy. In case of
6867 * DIRECT_SINGLE_MEDIA board, this link is the external link,
6868 * otherwise this is the link between the 577xx and the first
6869 * external phy
6870 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006871 if (params->phy[INT_PHY].read_status)
6872 params->phy[INT_PHY].read_status(
6873 &params->phy[INT_PHY],
6874 params, vars);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006875 /* The INT_PHY flow control reside in the vars. This include the
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006876 * case where the speed or flow control are not set to AUTO.
6877 * Otherwise, the active external phy flow control result is set
6878 * to the vars. The ext_phy_line_speed is needed to check if the
6879 * speed is different between the internal phy and external phy.
6880 * This case may be result of intermediate link speed change.
6881 */
6882 if (active_external_phy > INT_PHY) {
6883 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006884 /* Link speed is taken from the XGXS. AN and FC result from
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006885 * the external phy.
6886 */
6887 vars->link_status |= phy_vars[active_external_phy].link_status;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006888
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006889 /* if active_external_phy is first PHY and link is up - disable
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006890 * disable TX on second external PHY
6891 */
6892 if (active_external_phy == EXT_PHY1) {
6893 if (params->phy[EXT_PHY2].phy_specific_func) {
Joe Perches94f05b02011-08-14 12:16:20 +00006894 DP(NETIF_MSG_LINK,
6895 "Disabling TX on EXT_PHY2\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006896 params->phy[EXT_PHY2].phy_specific_func(
6897 &params->phy[EXT_PHY2],
6898 params, DISABLE_TX);
6899 }
6900 }
6901
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006902 ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
6903 vars->duplex = phy_vars[active_external_phy].duplex;
6904 if (params->phy[active_external_phy].supported &
6905 SUPPORTED_FIBRE)
6906 vars->link_status |= LINK_STATUS_SERDES_LINK;
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006907 else
6908 vars->link_status &= ~LINK_STATUS_SERDES_LINK;
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006909
6910 vars->eee_status = phy_vars[active_external_phy].eee_status;
6911
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006912 DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
6913 active_external_phy);
6914 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006915
6916 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6917 phy_index++) {
6918 if (params->phy[phy_index].flags &
6919 FLAGS_REARM_LATCH_SIGNAL) {
6920 bnx2x_rearm_latch_signal(bp, port,
6921 phy_index ==
6922 active_external_phy);
6923 break;
6924 }
6925 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006926 DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
6927 " ext_phy_line_speed = %d\n", vars->flow_ctrl,
6928 vars->link_status, ext_phy_line_speed);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006929 /* Upon link speed change set the NIG into drain mode. Comes to
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006930 * deals with possible FIFO glitch due to clk change when speed
6931 * is decreased without link down indicator
6932 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006933
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006934 if (vars->phy_link_up) {
6935 if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
6936 (ext_phy_line_speed != vars->line_speed)) {
6937 DP(NETIF_MSG_LINK, "Internal link speed %d is"
6938 " different than the external"
6939 " link speed %d\n", vars->line_speed,
6940 ext_phy_line_speed);
6941 vars->phy_link_up = 0;
6942 } else if (prev_line_speed != vars->line_speed) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006943 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
6944 0);
Yaniv Rosner503976e2012-11-27 03:46:34 +00006945 usleep_range(1000, 2000);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006946 }
6947 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006948
Yuval Mintzd2310232012-06-20 19:05:19 +00006949 /* Anything 10 and over uses the bmac */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006950 link_10g_plus = (vars->line_speed >= SPEED_10000);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006951
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006952 bnx2x_link_int_ack(params, vars, link_10g_plus);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006953
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006954 /* In case external phy link is up, and internal link is down
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006955 * (not initialized yet probably after link initialization, it
6956 * needs to be initialized.
6957 * Note that after link down-up as result of cable plug, the xgxs
6958 * link would probably become up again without the need
6959 * initialize it
6960 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006961 if (!(SINGLE_MEDIA_DIRECT(params))) {
6962 DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
6963 " init_preceding = %d\n", ext_phy_link_up,
6964 vars->phy_link_up,
6965 params->phy[EXT_PHY1].flags &
6966 FLAGS_INIT_XGXS_FIRST);
6967 if (!(params->phy[EXT_PHY1].flags &
6968 FLAGS_INIT_XGXS_FIRST)
6969 && ext_phy_link_up && !vars->phy_link_up) {
6970 vars->line_speed = ext_phy_line_speed;
6971 if (vars->line_speed < SPEED_1000)
6972 vars->phy_flags |= PHY_SGMII_FLAG;
6973 else
6974 vars->phy_flags &= ~PHY_SGMII_FLAG;
Yaniv Rosnerec146a62011-05-31 21:29:27 +00006975
6976 if (params->phy[INT_PHY].config_init)
6977 params->phy[INT_PHY].config_init(
6978 &params->phy[INT_PHY], params,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006979 vars);
6980 }
6981 }
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006982 /* Link is up only if both local phy and external phy (in case of
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006983 * non-direct board) are up and no fault detected on active PHY.
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006984 */
6985 vars->link_up = (vars->phy_link_up &&
6986 (ext_phy_link_up ||
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00006987 SINGLE_MEDIA_DIRECT(params)) &&
6988 (phy_vars[active_external_phy].fault_detected == 0));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006989
Yaniv Rosner27d91292012-04-04 01:28:54 +00006990 /* Update the PFC configuration in case it was changed */
6991 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
6992 vars->link_status |= LINK_STATUS_PFC_ENABLED;
6993 else
6994 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
6995
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006996 if (vars->link_up)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006997 rc = bnx2x_update_link_up(params, vars, link_10g_plus);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006998 else
6999 rc = bnx2x_update_link_down(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07007000
Barak Witkowskia3348722012-04-23 03:04:46 +00007001 /* Update MCP link status was changed */
7002 if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
7003 bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
7004
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07007005 return rc;
7006}
7007
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007008/*****************************************************************************/
7009/* External Phy section */
7010/*****************************************************************************/
7011void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007012{
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007013 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007014 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosner503976e2012-11-27 03:46:34 +00007015 usleep_range(1000, 2000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007016 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007017 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007018}
7019
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007020static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
7021 u32 spirom_ver, u32 ver_addr)
7022{
7023 DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
7024 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
7025
7026 if (ver_addr)
7027 REG_WR(bp, ver_addr, spirom_ver);
7028}
7029
7030static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
7031 struct bnx2x_phy *phy,
7032 u8 port)
7033{
7034 u16 fw_ver1, fw_ver2;
7035
7036 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007037 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007038 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007039 MDIO_PMA_REG_ROM_VER2, &fw_ver2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007040 bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
7041 phy->ver_addr);
7042}
7043
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007044static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
7045 struct bnx2x_phy *phy,
7046 struct link_vars *vars)
7047{
7048 u16 val;
7049 bnx2x_cl45_read(bp, phy,
7050 MDIO_AN_DEVAD,
7051 MDIO_AN_REG_STATUS, &val);
7052 bnx2x_cl45_read(bp, phy,
7053 MDIO_AN_DEVAD,
7054 MDIO_AN_REG_STATUS, &val);
7055 if (val & (1<<5))
7056 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
7057 if ((val & (1<<0)) == 0)
7058 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
7059}
7060
7061/******************************************************************/
7062/* common BCM8073/BCM8727 PHY SECTION */
7063/******************************************************************/
7064static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
7065 struct link_params *params,
7066 struct link_vars *vars)
7067{
7068 struct bnx2x *bp = params->bp;
7069 if (phy->req_line_speed == SPEED_10 ||
7070 phy->req_line_speed == SPEED_100) {
7071 vars->flow_ctrl = phy->req_flow_ctrl;
7072 return;
7073 }
7074
7075 if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
7076 (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
7077 u16 pause_result;
7078 u16 ld_pause; /* local */
7079 u16 lp_pause; /* link partner */
7080 bnx2x_cl45_read(bp, phy,
7081 MDIO_AN_DEVAD,
7082 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
7083
7084 bnx2x_cl45_read(bp, phy,
7085 MDIO_AN_DEVAD,
7086 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
7087 pause_result = (ld_pause &
7088 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
7089 pause_result |= (lp_pause &
7090 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
7091
7092 bnx2x_pause_resolve(vars, pause_result);
7093 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
7094 pause_result);
7095 }
7096}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007097static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
7098 struct bnx2x_phy *phy,
7099 u8 port)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007100{
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00007101 u32 count = 0;
7102 u16 fw_ver1, fw_msgout;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007103 int rc = 0;
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00007104
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007105 /* Boot port from external ROM */
7106 /* EDC grst */
7107 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007108 MDIO_PMA_DEVAD,
7109 MDIO_PMA_REG_GEN_CTRL,
7110 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007111
Yuval Mintzd2310232012-06-20 19:05:19 +00007112 /* Ucode reboot and rst */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007113 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007114 MDIO_PMA_DEVAD,
7115 MDIO_PMA_REG_GEN_CTRL,
7116 0x008c);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007117
7118 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007119 MDIO_PMA_DEVAD,
7120 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007121
7122 /* Reset internal microprocessor */
7123 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007124 MDIO_PMA_DEVAD,
7125 MDIO_PMA_REG_GEN_CTRL,
7126 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007127
7128 /* Release srst bit */
7129 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007130 MDIO_PMA_DEVAD,
7131 MDIO_PMA_REG_GEN_CTRL,
7132 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007133
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00007134 /* Delay 100ms per the PHY specifications */
7135 msleep(100);
7136
7137 /* 8073 sometimes taking longer to download */
7138 do {
7139 count++;
7140 if (count > 300) {
7141 DP(NETIF_MSG_LINK,
7142 "bnx2x_8073_8727_external_rom_boot port %x:"
7143 "Download failed. fw version = 0x%x\n",
7144 port, fw_ver1);
7145 rc = -EINVAL;
7146 break;
7147 }
7148
7149 bnx2x_cl45_read(bp, phy,
7150 MDIO_PMA_DEVAD,
7151 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7152 bnx2x_cl45_read(bp, phy,
7153 MDIO_PMA_DEVAD,
7154 MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
7155
Yaniv Rosner503976e2012-11-27 03:46:34 +00007156 usleep_range(1000, 2000);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00007157 } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
7158 ((fw_msgout & 0xff) != 0x03 && (phy->type ==
7159 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007160
7161 /* Clear ser_boot_ctl bit */
7162 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007163 MDIO_PMA_DEVAD,
7164 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007165 bnx2x_save_bcm_spirom_ver(bp, phy, port);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00007166
7167 DP(NETIF_MSG_LINK,
7168 "bnx2x_8073_8727_external_rom_boot port %x:"
7169 "Download complete. fw version = 0x%x\n",
7170 port, fw_ver1);
7171
7172 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007173}
7174
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007175/******************************************************************/
7176/* BCM8073 PHY SECTION */
7177/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007178static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007179{
7180 /* This is only required for 8073A1, version 102 only */
7181 u16 val;
7182
7183 /* Read 8073 HW revision*/
7184 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007185 MDIO_PMA_DEVAD,
7186 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007187
7188 if (val != 1) {
7189 /* No need to workaround in 8073 A1 */
7190 return 0;
7191 }
7192
7193 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007194 MDIO_PMA_DEVAD,
7195 MDIO_PMA_REG_ROM_VER2, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007196
7197 /* SNR should be applied only for version 0x102 */
7198 if (val != 0x102)
7199 return 0;
7200
7201 return 1;
7202}
7203
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007204static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007205{
7206 u16 val, cnt, cnt1 ;
7207
7208 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007209 MDIO_PMA_DEVAD,
7210 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007211
7212 if (val > 0) {
7213 /* No need to workaround in 8073 A1 */
7214 return 0;
7215 }
7216 /* XAUI workaround in 8073 A0: */
7217
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007218 /* After loading the boot ROM and restarting Autoneg, poll
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007219 * Dev1, Reg $C820:
7220 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007221
7222 for (cnt = 0; cnt < 1000; cnt++) {
7223 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007224 MDIO_PMA_DEVAD,
7225 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7226 &val);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007227 /* If bit [14] = 0 or bit [13] = 0, continue on with
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007228 * system initialization (XAUI work-around not required, as
7229 * these bits indicate 2.5G or 1G link up).
7230 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007231 if (!(val & (1<<14)) || !(val & (1<<13))) {
7232 DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
7233 return 0;
7234 } else if (!(val & (1<<15))) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007235 DP(NETIF_MSG_LINK, "bit 15 went off\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007236 /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007237 * MSB (bit15) goes to 1 (indicating that the XAUI
7238 * workaround has completed), then continue on with
7239 * system initialization.
7240 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007241 for (cnt1 = 0; cnt1 < 1000; cnt1++) {
7242 bnx2x_cl45_read(bp, phy,
7243 MDIO_PMA_DEVAD,
7244 MDIO_PMA_REG_8073_XAUI_WA, &val);
7245 if (val & (1<<15)) {
7246 DP(NETIF_MSG_LINK,
7247 "XAUI workaround has completed\n");
7248 return 0;
7249 }
Yuval Mintzd2310232012-06-20 19:05:19 +00007250 usleep_range(3000, 6000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007251 }
7252 break;
7253 }
Yuval Mintzd2310232012-06-20 19:05:19 +00007254 usleep_range(3000, 6000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007255 }
7256 DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
7257 return -EINVAL;
7258}
7259
7260static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
7261{
7262 /* Force KR or KX */
7263 bnx2x_cl45_write(bp, phy,
7264 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
7265 bnx2x_cl45_write(bp, phy,
7266 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
7267 bnx2x_cl45_write(bp, phy,
7268 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
7269 bnx2x_cl45_write(bp, phy,
7270 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
7271}
7272
7273static void bnx2x_8073_set_pause_cl37(struct link_params *params,
7274 struct bnx2x_phy *phy,
7275 struct link_vars *vars)
7276{
7277 u16 cl37_val;
7278 struct bnx2x *bp = params->bp;
7279 bnx2x_cl45_read(bp, phy,
7280 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
7281
7282 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7283 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
7284 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
7285 if ((vars->ieee_fc &
7286 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
7287 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
7288 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
7289 }
7290 if ((vars->ieee_fc &
7291 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
7292 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
7293 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
7294 }
7295 if ((vars->ieee_fc &
7296 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
7297 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
7298 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7299 }
7300 DP(NETIF_MSG_LINK,
7301 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
7302
7303 bnx2x_cl45_write(bp, phy,
7304 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
7305 msleep(500);
7306}
7307
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00007308static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
7309 struct link_params *params,
7310 u32 action)
7311{
7312 struct bnx2x *bp = params->bp;
7313 switch (action) {
7314 case PHY_INIT:
7315 /* Enable LASI */
7316 bnx2x_cl45_write(bp, phy,
7317 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
7318 bnx2x_cl45_write(bp, phy,
7319 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
7320 break;
7321 }
7322}
7323
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007324static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
7325 struct link_params *params,
7326 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007327{
7328 struct bnx2x *bp = params->bp;
7329 u16 val = 0, tmp1;
7330 u8 gpio_port;
7331 DP(NETIF_MSG_LINK, "Init 8073\n");
7332
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007333 if (CHIP_IS_E2(bp))
7334 gpio_port = BP_PATH(bp);
7335 else
7336 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007337 /* Restore normal power mode*/
7338 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007339 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007340
7341 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007342 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007343
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00007344 bnx2x_8073_specific_func(phy, params, PHY_INIT);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007345 bnx2x_8073_set_pause_cl37(params, phy, vars);
7346
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007347 bnx2x_cl45_read(bp, phy,
7348 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
7349
7350 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00007351 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007352
7353 DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
7354
Yaniv Rosner74d7a112011-01-18 04:33:18 +00007355 /* Swap polarity if required - Must be done only in non-1G mode */
7356 if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7357 /* Configure the 8073 to swap _P and _N of the KR lines */
7358 DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
7359 /* 10G Rx/Tx and 1G Tx signal polarity swap */
7360 bnx2x_cl45_read(bp, phy,
7361 MDIO_PMA_DEVAD,
7362 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
7363 bnx2x_cl45_write(bp, phy,
7364 MDIO_PMA_DEVAD,
7365 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
7366 (val | (3<<9)));
7367 }
7368
7369
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007370 /* Enable CL37 BAM */
Yaniv Rosner121839b2010-11-01 05:32:38 +00007371 if (REG_RD(bp, params->shmem_base +
7372 offsetof(struct shmem_region, dev_info.
7373 port_hw_config[params->port].default_cfg)) &
7374 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007375
Yaniv Rosner121839b2010-11-01 05:32:38 +00007376 bnx2x_cl45_read(bp, phy,
7377 MDIO_AN_DEVAD,
7378 MDIO_AN_REG_8073_BAM, &val);
7379 bnx2x_cl45_write(bp, phy,
7380 MDIO_AN_DEVAD,
7381 MDIO_AN_REG_8073_BAM, val | 1);
7382 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
7383 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007384 if (params->loopback_mode == LOOPBACK_EXT) {
7385 bnx2x_807x_force_10G(bp, phy);
7386 DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
7387 return 0;
7388 } else {
7389 bnx2x_cl45_write(bp, phy,
7390 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
7391 }
7392 if (phy->req_line_speed != SPEED_AUTO_NEG) {
7393 if (phy->req_line_speed == SPEED_10000) {
7394 val = (1<<7);
7395 } else if (phy->req_line_speed == SPEED_2500) {
7396 val = (1<<5);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007397 /* Note that 2.5G works only when used with 1G
Lucas De Marchi25985ed2011-03-30 22:57:33 -03007398 * advertisement
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007399 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007400 } else
7401 val = (1<<5);
7402 } else {
7403 val = 0;
7404 if (phy->speed_cap_mask &
7405 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
7406 val |= (1<<7);
7407
Lucas De Marchi25985ed2011-03-30 22:57:33 -03007408 /* Note that 2.5G works only when used with 1G advertisement */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007409 if (phy->speed_cap_mask &
7410 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
7411 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7412 val |= (1<<5);
7413 DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
7414 }
7415
7416 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
7417 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
7418
7419 if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
7420 (phy->req_line_speed == SPEED_AUTO_NEG)) ||
7421 (phy->req_line_speed == SPEED_2500)) {
7422 u16 phy_ver;
7423 /* Allow 2.5G for A1 and above */
7424 bnx2x_cl45_read(bp, phy,
7425 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
7426 &phy_ver);
7427 DP(NETIF_MSG_LINK, "Add 2.5G\n");
7428 if (phy_ver > 0)
7429 tmp1 |= 1;
7430 else
7431 tmp1 &= 0xfffe;
7432 } else {
7433 DP(NETIF_MSG_LINK, "Disable 2.5G\n");
7434 tmp1 &= 0xfffe;
7435 }
7436
7437 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
7438 /* Add support for CL37 (passive mode) II */
7439
7440 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
7441 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
7442 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
7443 0x20 : 0x40)));
7444
7445 /* Add support for CL37 (passive mode) III */
7446 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
7447
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007448 /* The SNR will improve about 2db by changing BW and FEE main
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007449 * tap. Rest commands are executed after link is up
7450 * Change FFE main cursor to 5 in EDC register
7451 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007452 if (bnx2x_8073_is_snr_needed(bp, phy))
7453 bnx2x_cl45_write(bp, phy,
7454 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
7455 0xFB0C);
7456
7457 /* Enable FEC (Forware Error Correction) Request in the AN */
7458 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
7459 tmp1 |= (1<<15);
7460 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
7461
7462 bnx2x_ext_phy_set_pause(params, phy, vars);
7463
7464 /* Restart autoneg */
7465 msleep(500);
7466 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
7467 DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
7468 ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
7469 return 0;
7470}
7471
7472static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
7473 struct link_params *params,
7474 struct link_vars *vars)
7475{
7476 struct bnx2x *bp = params->bp;
7477 u8 link_up = 0;
7478 u16 val1, val2;
7479 u16 link_status = 0;
7480 u16 an1000_status = 0;
7481
7482 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00007483 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007484
7485 DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
7486
Yuval Mintzd2310232012-06-20 19:05:19 +00007487 /* Clear the interrupt LASI status register */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007488 bnx2x_cl45_read(bp, phy,
7489 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7490 bnx2x_cl45_read(bp, phy,
7491 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
7492 DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
7493 /* Clear MSG-OUT */
7494 bnx2x_cl45_read(bp, phy,
7495 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
7496
7497 /* Check the LASI */
7498 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00007499 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007500
7501 DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
7502
7503 /* Check the link status */
7504 bnx2x_cl45_read(bp, phy,
7505 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7506 DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
7507
7508 bnx2x_cl45_read(bp, phy,
7509 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7510 bnx2x_cl45_read(bp, phy,
7511 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7512 link_up = ((val1 & 4) == 4);
7513 DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
7514
7515 if (link_up &&
7516 ((phy->req_line_speed != SPEED_10000))) {
7517 if (bnx2x_8073_xaui_wa(bp, phy) != 0)
7518 return 0;
7519 }
7520 bnx2x_cl45_read(bp, phy,
7521 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7522 bnx2x_cl45_read(bp, phy,
7523 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7524
7525 /* Check the link status on 1.1.2 */
7526 bnx2x_cl45_read(bp, phy,
7527 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7528 bnx2x_cl45_read(bp, phy,
7529 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7530 DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
7531 "an_link_status=0x%x\n", val2, val1, an1000_status);
7532
7533 link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
7534 if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007535 /* The SNR will improve about 2dbby changing the BW and FEE main
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007536 * tap. The 1st write to change FFE main tap is set before
7537 * restart AN. Change PLL Bandwidth in EDC register
7538 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007539 bnx2x_cl45_write(bp, phy,
7540 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
7541 0x26BC);
7542
7543 /* Change CDR Bandwidth in EDC register */
7544 bnx2x_cl45_write(bp, phy,
7545 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
7546 0x0333);
7547 }
7548 bnx2x_cl45_read(bp, phy,
7549 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7550 &link_status);
7551
7552 /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
7553 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
7554 link_up = 1;
7555 vars->line_speed = SPEED_10000;
7556 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
7557 params->port);
7558 } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
7559 link_up = 1;
7560 vars->line_speed = SPEED_2500;
7561 DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
7562 params->port);
7563 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
7564 link_up = 1;
7565 vars->line_speed = SPEED_1000;
7566 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
7567 params->port);
7568 } else {
7569 link_up = 0;
7570 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
7571 params->port);
7572 }
7573
7574 if (link_up) {
Yaniv Rosner74d7a112011-01-18 04:33:18 +00007575 /* Swap polarity if required */
7576 if (params->lane_config &
7577 PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7578 /* Configure the 8073 to swap P and N of the KR lines */
7579 bnx2x_cl45_read(bp, phy,
7580 MDIO_XS_DEVAD,
7581 MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007582 /* Set bit 3 to invert Rx in 1G mode and clear this bit
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007583 * when it`s in 10G mode.
7584 */
Yaniv Rosner74d7a112011-01-18 04:33:18 +00007585 if (vars->line_speed == SPEED_1000) {
7586 DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
7587 "the 8073\n");
7588 val1 |= (1<<3);
7589 } else
7590 val1 &= ~(1<<3);
7591
7592 bnx2x_cl45_write(bp, phy,
7593 MDIO_XS_DEVAD,
7594 MDIO_XS_REG_8073_RX_CTRL_PCIE,
7595 val1);
7596 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007597 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7598 bnx2x_8073_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00007599 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007600 }
Mintz Yuval9e7e8392012-02-15 02:10:24 +00007601
7602 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
7603 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
7604 MDIO_AN_REG_LP_AUTO_NEG2, &val1);
7605
7606 if (val1 & (1<<5))
7607 vars->link_status |=
7608 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
7609 if (val1 & (1<<7))
7610 vars->link_status |=
7611 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
7612 }
7613
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007614 return link_up;
7615}
7616
7617static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
7618 struct link_params *params)
7619{
7620 struct bnx2x *bp = params->bp;
7621 u8 gpio_port;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007622 if (CHIP_IS_E2(bp))
7623 gpio_port = BP_PATH(bp);
7624 else
7625 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007626 DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
7627 gpio_port);
7628 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007629 MISC_REGISTERS_GPIO_OUTPUT_LOW,
7630 gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007631}
7632
7633/******************************************************************/
7634/* BCM8705 PHY SECTION */
7635/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007636static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
7637 struct link_params *params,
7638 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007639{
7640 struct bnx2x *bp = params->bp;
7641 DP(NETIF_MSG_LINK, "init 8705\n");
7642 /* Restore normal power mode*/
7643 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007644 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007645 /* HW reset */
7646 bnx2x_ext_phy_hw_reset(bp, params->port);
7647 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00007648 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007649
7650 bnx2x_cl45_write(bp, phy,
7651 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
7652 bnx2x_cl45_write(bp, phy,
7653 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
7654 bnx2x_cl45_write(bp, phy,
7655 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
7656 bnx2x_cl45_write(bp, phy,
7657 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
7658 /* BCM8705 doesn't have microcode, hence the 0 */
7659 bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
7660 return 0;
7661}
7662
7663static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
7664 struct link_params *params,
7665 struct link_vars *vars)
7666{
7667 u8 link_up = 0;
7668 u16 val1, rx_sd;
7669 struct bnx2x *bp = params->bp;
7670 DP(NETIF_MSG_LINK, "read status 8705\n");
7671 bnx2x_cl45_read(bp, phy,
7672 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7673 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7674
7675 bnx2x_cl45_read(bp, phy,
7676 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7677 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7678
7679 bnx2x_cl45_read(bp, phy,
7680 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7681
7682 bnx2x_cl45_read(bp, phy,
7683 MDIO_PMA_DEVAD, 0xc809, &val1);
7684 bnx2x_cl45_read(bp, phy,
7685 MDIO_PMA_DEVAD, 0xc809, &val1);
7686
7687 DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
7688 link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
7689 if (link_up) {
7690 vars->line_speed = SPEED_10000;
7691 bnx2x_ext_phy_resolve_fc(phy, params, vars);
7692 }
7693 return link_up;
7694}
7695
7696/******************************************************************/
7697/* SFP+ module Section */
7698/******************************************************************/
Yaniv Rosner85242ee2011-07-05 01:06:53 +00007699static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
7700 struct bnx2x_phy *phy,
7701 u8 pmd_dis)
7702{
7703 struct bnx2x *bp = params->bp;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007704 /* Disable transmitter only for bootcodes which can enable it afterwards
Yaniv Rosner85242ee2011-07-05 01:06:53 +00007705 * (for D3 link)
7706 */
7707 if (pmd_dis) {
7708 if (params->feature_config_flags &
7709 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
7710 DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
7711 else {
7712 DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
7713 return;
7714 }
7715 } else
7716 DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
7717 bnx2x_cl45_write(bp, phy,
7718 MDIO_PMA_DEVAD,
7719 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
7720}
7721
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007722static u8 bnx2x_get_gpio_port(struct link_params *params)
7723{
7724 u8 gpio_port;
7725 u32 swap_val, swap_override;
7726 struct bnx2x *bp = params->bp;
7727 if (CHIP_IS_E2(bp))
7728 gpio_port = BP_PATH(bp);
7729 else
7730 gpio_port = params->port;
7731 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7732 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7733 return gpio_port ^ (swap_val && swap_override);
7734}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007735
7736static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
7737 struct bnx2x_phy *phy,
7738 u8 tx_en)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007739{
7740 u16 val;
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007741 u8 port = params->port;
7742 struct bnx2x *bp = params->bp;
7743 u32 tx_en_mode;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007744
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007745 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007746 tx_en_mode = REG_RD(bp, params->shmem_base +
7747 offsetof(struct shmem_region,
7748 dev_info.port_hw_config[port].sfp_ctrl)) &
7749 PORT_HW_CFG_TX_LASER_MASK;
7750 DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
7751 "mode = %x\n", tx_en, port, tx_en_mode);
7752 switch (tx_en_mode) {
7753 case PORT_HW_CFG_TX_LASER_MDIO:
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007754
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007755 bnx2x_cl45_read(bp, phy,
7756 MDIO_PMA_DEVAD,
7757 MDIO_PMA_REG_PHY_IDENTIFIER,
7758 &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007759
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007760 if (tx_en)
7761 val &= ~(1<<15);
7762 else
7763 val |= (1<<15);
7764
7765 bnx2x_cl45_write(bp, phy,
7766 MDIO_PMA_DEVAD,
7767 MDIO_PMA_REG_PHY_IDENTIFIER,
7768 val);
7769 break;
7770 case PORT_HW_CFG_TX_LASER_GPIO0:
7771 case PORT_HW_CFG_TX_LASER_GPIO1:
7772 case PORT_HW_CFG_TX_LASER_GPIO2:
7773 case PORT_HW_CFG_TX_LASER_GPIO3:
7774 {
7775 u16 gpio_pin;
7776 u8 gpio_port, gpio_mode;
7777 if (tx_en)
7778 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
7779 else
7780 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
7781
7782 gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
7783 gpio_port = bnx2x_get_gpio_port(params);
7784 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7785 break;
7786 }
7787 default:
7788 DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
7789 break;
7790 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007791}
7792
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007793static void bnx2x_sfp_set_transmitter(struct link_params *params,
7794 struct bnx2x_phy *phy,
7795 u8 tx_en)
7796{
7797 struct bnx2x *bp = params->bp;
7798 DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
7799 if (CHIP_IS_E3(bp))
7800 bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
7801 else
7802 bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
7803}
7804
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007805static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7806 struct link_params *params,
Yaniv Rosner669d69962013-03-27 01:05:18 +00007807 u8 dev_addr, u16 addr, u8 byte_cnt,
7808 u8 *o_buf, u8 is_init)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007809{
7810 struct bnx2x *bp = params->bp;
7811 u16 val = 0;
7812 u16 i;
Yuval Mintz24ea8182012-06-20 19:05:23 +00007813 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
Joe Perches94f05b02011-08-14 12:16:20 +00007814 DP(NETIF_MSG_LINK,
7815 "Reading from eeprom is limited to 0xf\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007816 return -EINVAL;
7817 }
7818 /* Set the read command byte count */
7819 bnx2x_cl45_write(bp, phy,
7820 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
Yaniv Rosner669d69962013-03-27 01:05:18 +00007821 (byte_cnt | (dev_addr << 8)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007822
7823 /* Set the read command address */
7824 bnx2x_cl45_write(bp, phy,
7825 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007826 addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007827
7828 /* Activate read command */
7829 bnx2x_cl45_write(bp, phy,
7830 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007831 0x2c0f);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007832
7833 /* Wait up to 500us for command complete status */
7834 for (i = 0; i < 100; i++) {
7835 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007836 MDIO_PMA_DEVAD,
7837 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007838 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7839 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7840 break;
7841 udelay(5);
7842 }
7843
7844 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7845 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7846 DP(NETIF_MSG_LINK,
7847 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7848 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7849 return -EINVAL;
7850 }
7851
7852 /* Read the buffer */
7853 for (i = 0; i < byte_cnt; i++) {
7854 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007855 MDIO_PMA_DEVAD,
7856 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007857 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7858 }
7859
7860 for (i = 0; i < 100; i++) {
7861 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007862 MDIO_PMA_DEVAD,
7863 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007864 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7865 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
Joe Perches6f38ad92010-11-14 17:04:31 +00007866 return 0;
Yaniv Rosner503976e2012-11-27 03:46:34 +00007867 usleep_range(1000, 2000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007868 }
7869 return -EINVAL;
7870}
7871
Yuval Mintz50a29842012-06-16 20:27:14 +00007872static void bnx2x_warpcore_power_module(struct link_params *params,
Yuval Mintz50a29842012-06-16 20:27:14 +00007873 u8 power)
7874{
7875 u32 pin_cfg;
7876 struct bnx2x *bp = params->bp;
7877
7878 pin_cfg = (REG_RD(bp, params->shmem_base +
7879 offsetof(struct shmem_region,
7880 dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
7881 PORT_HW_CFG_E3_PWR_DIS_MASK) >>
7882 PORT_HW_CFG_E3_PWR_DIS_SHIFT;
7883
7884 if (pin_cfg == PIN_CFG_NA)
7885 return;
7886 DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
7887 power, pin_cfg);
7888 /* Low ==> corresponding SFP+ module is powered
7889 * high ==> the SFP+ module is powered down
7890 */
7891 bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
7892}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007893static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7894 struct link_params *params,
Yaniv Rosner669d69962013-03-27 01:05:18 +00007895 u8 dev_addr,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007896 u16 addr, u8 byte_cnt,
Yaniv Rosnere82041d2012-10-31 05:46:56 +00007897 u8 *o_buf, u8 is_init)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007898{
7899 int rc = 0;
7900 u8 i, j = 0, cnt = 0;
7901 u32 data_array[4];
7902 u16 addr32;
7903 struct bnx2x *bp = params->bp;
Yuval Mintz24ea8182012-06-20 19:05:23 +00007904
7905 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
Joe Perches94f05b02011-08-14 12:16:20 +00007906 DP(NETIF_MSG_LINK,
7907 "Reading from eeprom is limited to 16 bytes\n");
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007908 return -EINVAL;
7909 }
7910
7911 /* 4 byte aligned address */
7912 addr32 = addr & (~0x3);
7913 do {
Yaniv Rosnere82041d2012-10-31 05:46:56 +00007914 if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00007915 bnx2x_warpcore_power_module(params, 0);
Yuval Mintz50a29842012-06-16 20:27:14 +00007916 /* Note that 100us are not enough here */
Yaniv Rosnere82041d2012-10-31 05:46:56 +00007917 usleep_range(1000, 2000);
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00007918 bnx2x_warpcore_power_module(params, 1);
Yuval Mintz50a29842012-06-16 20:27:14 +00007919 }
Yaniv Rosner669d69962013-03-27 01:05:18 +00007920 rc = bnx2x_bsc_read(params, phy, dev_addr, addr32, 0, byte_cnt,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007921 data_array);
7922 } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
7923
7924 if (rc == 0) {
7925 for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
7926 o_buf[j] = *((u8 *)data_array + i);
7927 j++;
7928 }
7929 }
7930
7931 return rc;
7932}
7933
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007934static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7935 struct link_params *params,
Yaniv Rosner669d69962013-03-27 01:05:18 +00007936 u8 dev_addr, u16 addr, u8 byte_cnt,
7937 u8 *o_buf, u8 is_init)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007938{
7939 struct bnx2x *bp = params->bp;
7940 u16 val, i;
7941
Yuval Mintz24ea8182012-06-20 19:05:23 +00007942 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
Joe Perches94f05b02011-08-14 12:16:20 +00007943 DP(NETIF_MSG_LINK,
7944 "Reading from eeprom is limited to 0xf\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007945 return -EINVAL;
7946 }
7947
Yaniv Rosner669d69962013-03-27 01:05:18 +00007948 /* Set 2-wire transfer rate of SFP+ module EEPROM
7949 * to 100Khz since some DACs(direct attached cables) do
7950 * not work at 400Khz.
7951 */
7952 bnx2x_cl45_write(bp, phy,
7953 MDIO_PMA_DEVAD,
7954 MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
7955 ((dev_addr << 8) | 1));
7956
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007957 /* Need to read from 1.8000 to clear it */
7958 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007959 MDIO_PMA_DEVAD,
7960 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7961 &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007962
7963 /* Set the read command byte count */
7964 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007965 MDIO_PMA_DEVAD,
7966 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7967 ((byte_cnt < 2) ? 2 : byte_cnt));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007968
7969 /* Set the read command address */
7970 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007971 MDIO_PMA_DEVAD,
7972 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7973 addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007974 /* Set the destination address */
7975 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007976 MDIO_PMA_DEVAD,
7977 0x8004,
7978 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007979
7980 /* Activate read command */
7981 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007982 MDIO_PMA_DEVAD,
7983 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7984 0x8002);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007985 /* Wait appropriate time for two-wire command to finish before
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007986 * polling the status register
7987 */
Yaniv Rosner503976e2012-11-27 03:46:34 +00007988 usleep_range(1000, 2000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007989
7990 /* Wait up to 500us for command complete status */
7991 for (i = 0; i < 100; i++) {
7992 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007993 MDIO_PMA_DEVAD,
7994 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007995 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7996 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7997 break;
7998 udelay(5);
7999 }
8000
8001 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
8002 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
8003 DP(NETIF_MSG_LINK,
8004 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
8005 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
Yaniv Rosner65a001b2011-01-31 04:22:03 +00008006 return -EFAULT;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008007 }
8008
8009 /* Read the buffer */
8010 for (i = 0; i < byte_cnt; i++) {
8011 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008012 MDIO_PMA_DEVAD,
8013 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008014 o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
8015 }
8016
8017 for (i = 0; i < 100; i++) {
8018 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008019 MDIO_PMA_DEVAD,
8020 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008021 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8022 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
Joe Perches6f38ad92010-11-14 17:04:31 +00008023 return 0;
Yaniv Rosner503976e2012-11-27 03:46:34 +00008024 usleep_range(1000, 2000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008025 }
8026
8027 return -EINVAL;
8028}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008029int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
Yaniv Rosner669d69962013-03-27 01:05:18 +00008030 struct link_params *params, u8 dev_addr,
8031 u16 addr, u16 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008032{
Yaniv Rosner669d69962013-03-27 01:05:18 +00008033 int rc = 0;
8034 struct bnx2x *bp = params->bp;
8035 u8 xfer_size;
8036 u8 *user_data = o_buf;
8037 read_sfp_module_eeprom_func_p read_func;
8038
8039 if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
8040 DP(NETIF_MSG_LINK, "invalid dev_addr 0x%x\n", dev_addr);
8041 return -EINVAL;
8042 }
8043
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008044 switch (phy->type) {
8045 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Yaniv Rosner669d69962013-03-27 01:05:18 +00008046 read_func = bnx2x_8726_read_sfp_module_eeprom;
8047 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008048 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8049 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Yaniv Rosner669d69962013-03-27 01:05:18 +00008050 read_func = bnx2x_8727_read_sfp_module_eeprom;
8051 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008052 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
Yaniv Rosner669d69962013-03-27 01:05:18 +00008053 read_func = bnx2x_warpcore_read_sfp_module_eeprom;
8054 break;
8055 default:
8056 return -EOPNOTSUPP;
8057 }
8058
8059 while (!rc && (byte_cnt > 0)) {
8060 xfer_size = (byte_cnt > SFP_EEPROM_PAGE_SIZE) ?
8061 SFP_EEPROM_PAGE_SIZE : byte_cnt;
8062 rc = read_func(phy, params, dev_addr, addr, xfer_size,
8063 user_data, 0);
8064 byte_cnt -= xfer_size;
8065 user_data += xfer_size;
8066 addr += xfer_size;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008067 }
8068 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008069}
8070
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008071static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
8072 struct link_params *params,
8073 u16 *edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008074{
8075 struct bnx2x *bp = params->bp;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00008076 u32 sync_offset = 0, phy_idx, media_types;
Yaniv Rosner52160da2012-11-27 03:46:35 +00008077 u8 gport, val[2], check_limiting_mode = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008078 *edc_mode = EDC_MODE_LIMITING;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00008079 phy->media_type = ETH_PHY_UNSPECIFIED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008080 /* First check for copper cable */
8081 if (bnx2x_read_sfp_module_eeprom(phy,
8082 params,
Yaniv Rosner669d69962013-03-27 01:05:18 +00008083 I2C_DEV_ADDR_A0,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008084 SFP_EEPROM_CON_TYPE_ADDR,
Yuval Mintzdbef8072012-06-20 19:05:22 +00008085 2,
8086 (u8 *)val) != 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008087 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
8088 return -EINVAL;
8089 }
8090
Yuval Mintzdbef8072012-06-20 19:05:22 +00008091 switch (val[0]) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008092 case SFP_EEPROM_CON_TYPE_VAL_COPPER:
8093 {
8094 u8 copper_module_type;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00008095 phy->media_type = ETH_PHY_DA_TWINAX;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008096 /* Check if its active cable (includes SFP+ module)
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008097 * of passive cable
8098 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008099 if (bnx2x_read_sfp_module_eeprom(phy,
8100 params,
Yaniv Rosner669d69962013-03-27 01:05:18 +00008101 I2C_DEV_ADDR_A0,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008102 SFP_EEPROM_FC_TX_TECH_ADDR,
8103 1,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00008104 &copper_module_type) != 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008105 DP(NETIF_MSG_LINK,
8106 "Failed to read copper-cable-type"
8107 " from SFP+ EEPROM\n");
8108 return -EINVAL;
8109 }
8110
8111 if (copper_module_type &
8112 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
8113 DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
Yaniv Rosner869952e2013-09-22 14:59:25 +03008114 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8115 *edc_mode = EDC_MODE_ACTIVE_DAC;
8116 else
8117 check_limiting_mode = 1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008118 } else if (copper_module_type &
8119 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
Joe Perches94f05b02011-08-14 12:16:20 +00008120 DP(NETIF_MSG_LINK,
8121 "Passive Copper cable detected\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008122 *edc_mode =
8123 EDC_MODE_PASSIVE_DAC;
8124 } else {
Joe Perches94f05b02011-08-14 12:16:20 +00008125 DP(NETIF_MSG_LINK,
8126 "Unknown copper-cable-type 0x%x !!!\n",
8127 copper_module_type);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008128 return -EINVAL;
8129 }
8130 break;
8131 }
8132 case SFP_EEPROM_CON_TYPE_VAL_LC:
Yaniv Rosnerb807c742013-03-11 05:17:48 +00008133 case SFP_EEPROM_CON_TYPE_VAL_RJ45:
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008134 check_limiting_mode = 1;
Yuval Mintzdbef8072012-06-20 19:05:22 +00008135 if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
8136 SFP_EEPROM_COMP_CODE_LR_MASK |
8137 SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
Yaniv Rosnerb807c742013-03-11 05:17:48 +00008138 DP(NETIF_MSG_LINK, "1G SFP module detected\n");
Yaniv Rosner52160da2012-11-27 03:46:35 +00008139 gport = params->port;
Yuval Mintzdbef8072012-06-20 19:05:22 +00008140 phy->media_type = ETH_PHY_SFP_1G_FIBER;
Yaniv Rosnerb807c742013-03-11 05:17:48 +00008141 if (phy->req_line_speed != SPEED_1000) {
8142 phy->req_line_speed = SPEED_1000;
8143 if (!CHIP_IS_E1x(bp)) {
8144 gport = BP_PATH(bp) +
8145 (params->port << 1);
8146 }
8147 netdev_err(bp->dev,
8148 "Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n",
8149 gport);
8150 }
Yuval Mintzdbef8072012-06-20 19:05:22 +00008151 } else {
8152 int idx, cfg_idx = 0;
8153 DP(NETIF_MSG_LINK, "10G Optic module detected\n");
8154 for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
8155 if (params->phy[idx].type == phy->type) {
8156 cfg_idx = LINK_CONFIG_IDX(idx);
8157 break;
8158 }
8159 }
8160 phy->media_type = ETH_PHY_SFPP_10G_FIBER;
8161 phy->req_line_speed = params->req_line_speed[cfg_idx];
8162 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008163 break;
8164 default:
8165 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
Yuval Mintzdbef8072012-06-20 19:05:22 +00008166 val[0]);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008167 return -EINVAL;
8168 }
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00008169 sync_offset = params->shmem_base +
8170 offsetof(struct shmem_region,
8171 dev_info.port_hw_config[params->port].media_type);
8172 media_types = REG_RD(bp, sync_offset);
8173 /* Update media type for non-PMF sync */
8174 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
8175 if (&(params->phy[phy_idx]) == phy) {
8176 media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
8177 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8178 media_types |= ((phy->media_type &
8179 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
8180 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8181 break;
8182 }
8183 }
8184 REG_WR(bp, sync_offset, media_types);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008185 if (check_limiting_mode) {
8186 u8 options[SFP_EEPROM_OPTIONS_SIZE];
8187 if (bnx2x_read_sfp_module_eeprom(phy,
8188 params,
Yaniv Rosner669d69962013-03-27 01:05:18 +00008189 I2C_DEV_ADDR_A0,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008190 SFP_EEPROM_OPTIONS_ADDR,
8191 SFP_EEPROM_OPTIONS_SIZE,
8192 options) != 0) {
Joe Perches94f05b02011-08-14 12:16:20 +00008193 DP(NETIF_MSG_LINK,
8194 "Failed to read Option field from module EEPROM\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008195 return -EINVAL;
8196 }
8197 if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
8198 *edc_mode = EDC_MODE_LINEAR;
8199 else
8200 *edc_mode = EDC_MODE_LIMITING;
8201 }
8202 DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
8203 return 0;
8204}
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008205/* This function read the relevant field from the module (SFP+), and verify it
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008206 * is compliant with this board
8207 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008208static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
8209 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008210{
8211 struct bnx2x *bp = params->bp;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008212 u32 val, cmd;
8213 u32 fw_resp, fw_cmd_param;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008214 char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
8215 char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008216 phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008217 val = REG_RD(bp, params->shmem_base +
8218 offsetof(struct shmem_region, dev_info.
8219 port_feature_config[params->port].config));
8220 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8221 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
8222 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
8223 return 0;
8224 }
8225
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008226 if (params->feature_config_flags &
8227 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
8228 /* Use specific phy request */
8229 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
8230 } else if (params->feature_config_flags &
8231 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
8232 /* Use first phy request only in case of non-dual media*/
8233 if (DUAL_MEDIA(params)) {
Joe Perches94f05b02011-08-14 12:16:20 +00008234 DP(NETIF_MSG_LINK,
8235 "FW does not support OPT MDL verification\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008236 return -EINVAL;
8237 }
8238 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
8239 } else {
8240 /* No support in OPT MDL detection */
Joe Perches94f05b02011-08-14 12:16:20 +00008241 DP(NETIF_MSG_LINK,
8242 "FW does not support OPT MDL verification\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008243 return -EINVAL;
8244 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008245
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008246 fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
8247 fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008248 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
8249 DP(NETIF_MSG_LINK, "Approved module\n");
8250 return 0;
8251 }
8252
Yuval Mintzd2310232012-06-20 19:05:19 +00008253 /* Format the warning message */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008254 if (bnx2x_read_sfp_module_eeprom(phy,
8255 params,
Yaniv Rosner669d69962013-03-27 01:05:18 +00008256 I2C_DEV_ADDR_A0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008257 SFP_EEPROM_VENDOR_NAME_ADDR,
8258 SFP_EEPROM_VENDOR_NAME_SIZE,
8259 (u8 *)vendor_name))
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008260 vendor_name[0] = '\0';
8261 else
8262 vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
8263 if (bnx2x_read_sfp_module_eeprom(phy,
8264 params,
Yaniv Rosner669d69962013-03-27 01:05:18 +00008265 I2C_DEV_ADDR_A0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008266 SFP_EEPROM_PART_NO_ADDR,
8267 SFP_EEPROM_PART_NO_SIZE,
8268 (u8 *)vendor_pn))
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008269 vendor_pn[0] = '\0';
8270 else
8271 vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
8272
Yaniv Rosner6d870c32011-01-31 04:22:20 +00008273 netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
8274 " Port %d from %s part number %s\n",
8275 params->port, vendor_name, vendor_pn);
Yaniv Rosner59a2e532012-04-04 01:28:59 +00008276 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8277 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
8278 phy->flags |= FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008279 return -EINVAL;
8280}
8281
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008282static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
8283 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008284
8285{
8286 u8 val;
Yaniv Rosnere82041d2012-10-31 05:46:56 +00008287 int rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008288 struct bnx2x *bp = params->bp;
8289 u16 timeout;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008290 /* Initialization time after hot-plug may take up to 300ms for
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008291 * some phys type ( e.g. JDSU )
8292 */
8293
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008294 for (timeout = 0; timeout < 60; timeout++) {
Yaniv Rosnere82041d2012-10-31 05:46:56 +00008295 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosner669d69962013-03-27 01:05:18 +00008296 rc = bnx2x_warpcore_read_sfp_module_eeprom(
8297 phy, params, I2C_DEV_ADDR_A0, 1, 1, &val,
8298 1);
Yaniv Rosnere82041d2012-10-31 05:46:56 +00008299 else
Yaniv Rosner669d69962013-03-27 01:05:18 +00008300 rc = bnx2x_read_sfp_module_eeprom(phy, params,
8301 I2C_DEV_ADDR_A0,
8302 1, 1, &val);
Yaniv Rosnere82041d2012-10-31 05:46:56 +00008303 if (rc == 0) {
Joe Perches94f05b02011-08-14 12:16:20 +00008304 DP(NETIF_MSG_LINK,
8305 "SFP+ module initialization took %d ms\n",
8306 timeout * 5);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008307 return 0;
8308 }
Yuval Mintzd2310232012-06-20 19:05:19 +00008309 usleep_range(5000, 10000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008310 }
Yaniv Rosner669d69962013-03-27 01:05:18 +00008311 rc = bnx2x_read_sfp_module_eeprom(phy, params, I2C_DEV_ADDR_A0,
8312 1, 1, &val);
Yaniv Rosnere82041d2012-10-31 05:46:56 +00008313 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008314}
8315
8316static void bnx2x_8727_power_module(struct bnx2x *bp,
8317 struct bnx2x_phy *phy,
8318 u8 is_power_up) {
8319 /* Make sure GPIOs are not using for LED mode */
8320 u16 val;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008321 /* In the GPIO register, bit 4 is use to determine if the GPIOs are
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008322 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
8323 * output
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008324 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
8325 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008326 * where the 1st bit is the over-current(only input), and 2nd bit is
8327 * for power( only output )
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008328 *
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008329 * In case of NOC feature is disabled and power is up, set GPIO control
8330 * as input to enable listening of over-current indication
8331 */
8332 if (phy->flags & FLAGS_NOC)
8333 return;
Yaniv Rosner27d02432011-05-31 21:27:48 +00008334 if (is_power_up)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008335 val = (1<<4);
8336 else
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008337 /* Set GPIO control to OUTPUT, and set the power bit
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008338 * to according to the is_power_up
8339 */
Yaniv Rosner27d02432011-05-31 21:27:48 +00008340 val = (1<<1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008341
8342 bnx2x_cl45_write(bp, phy,
8343 MDIO_PMA_DEVAD,
8344 MDIO_PMA_REG_8727_GPIO_CTRL,
8345 val);
8346}
8347
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008348static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
8349 struct bnx2x_phy *phy,
8350 u16 edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008351{
8352 u16 cur_limiting_mode;
8353
8354 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008355 MDIO_PMA_DEVAD,
8356 MDIO_PMA_REG_ROM_VER2,
8357 &cur_limiting_mode);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008358 DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
8359 cur_limiting_mode);
8360
8361 if (edc_mode == EDC_MODE_LIMITING) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008362 DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008363 bnx2x_cl45_write(bp, phy,
8364 MDIO_PMA_DEVAD,
8365 MDIO_PMA_REG_ROM_VER2,
8366 EDC_MODE_LIMITING);
8367 } else { /* LRM mode ( default )*/
8368
8369 DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
8370
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008371 /* Changing to LRM mode takes quite few seconds. So do it only
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008372 * if current mode is limiting (default is LRM)
8373 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008374 if (cur_limiting_mode != EDC_MODE_LIMITING)
8375 return 0;
8376
8377 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008378 MDIO_PMA_DEVAD,
8379 MDIO_PMA_REG_LRM_MODE,
8380 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008381 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008382 MDIO_PMA_DEVAD,
8383 MDIO_PMA_REG_ROM_VER2,
8384 0x128);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008385 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008386 MDIO_PMA_DEVAD,
8387 MDIO_PMA_REG_MISC_CTRL0,
8388 0x4008);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008389 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008390 MDIO_PMA_DEVAD,
8391 MDIO_PMA_REG_LRM_MODE,
8392 0xaaaa);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008393 }
8394 return 0;
8395}
8396
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008397static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
8398 struct bnx2x_phy *phy,
8399 u16 edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008400{
8401 u16 phy_identifier;
8402 u16 rom_ver2_val;
8403 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008404 MDIO_PMA_DEVAD,
8405 MDIO_PMA_REG_PHY_IDENTIFIER,
8406 &phy_identifier);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008407
8408 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008409 MDIO_PMA_DEVAD,
8410 MDIO_PMA_REG_PHY_IDENTIFIER,
8411 (phy_identifier & ~(1<<9)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008412
8413 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008414 MDIO_PMA_DEVAD,
8415 MDIO_PMA_REG_ROM_VER2,
8416 &rom_ver2_val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008417 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
8418 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008419 MDIO_PMA_DEVAD,
8420 MDIO_PMA_REG_ROM_VER2,
8421 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008422
8423 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008424 MDIO_PMA_DEVAD,
8425 MDIO_PMA_REG_PHY_IDENTIFIER,
8426 (phy_identifier | (1<<9)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008427
8428 return 0;
8429}
8430
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008431static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
8432 struct link_params *params,
8433 u32 action)
8434{
8435 struct bnx2x *bp = params->bp;
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00008436 u16 val;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008437 switch (action) {
8438 case DISABLE_TX:
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008439 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008440 break;
8441 case ENABLE_TX:
8442 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008443 bnx2x_sfp_set_transmitter(params, phy, 1);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008444 break;
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00008445 case PHY_INIT:
8446 bnx2x_cl45_write(bp, phy,
8447 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8448 (1<<2) | (1<<5));
8449 bnx2x_cl45_write(bp, phy,
8450 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8451 0);
8452 bnx2x_cl45_write(bp, phy,
8453 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
8454 /* Make MOD_ABS give interrupt on change */
8455 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8456 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8457 &val);
8458 val |= (1<<12);
8459 if (phy->flags & FLAGS_NOC)
8460 val |= (3<<5);
8461 /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
8462 * status which reflect SFP+ module over-current
8463 */
8464 if (!(phy->flags & FLAGS_NOC))
8465 val &= 0xff8f; /* Reset bits 4-6 */
8466 bnx2x_cl45_write(bp, phy,
8467 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8468 val);
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00008469 break;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008470 default:
8471 DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
8472 action);
8473 return;
8474 }
8475}
8476
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008477static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008478 u8 gpio_mode)
8479{
8480 struct bnx2x *bp = params->bp;
8481
8482 u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
8483 offsetof(struct shmem_region,
8484 dev_info.port_hw_config[params->port].sfp_ctrl)) &
8485 PORT_HW_CFG_FAULT_MODULE_LED_MASK;
8486 switch (fault_led_gpio) {
8487 case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
8488 return;
8489 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
8490 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
8491 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
8492 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
8493 {
8494 u8 gpio_port = bnx2x_get_gpio_port(params);
8495 u16 gpio_pin = fault_led_gpio -
8496 PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
8497 DP(NETIF_MSG_LINK, "Set fault module-detected led "
8498 "pin %x port %x mode %x\n",
8499 gpio_pin, gpio_port, gpio_mode);
8500 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
8501 }
8502 break;
8503 default:
8504 DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
8505 fault_led_gpio);
8506 }
8507}
8508
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008509static void bnx2x_set_e3_module_fault_led(struct link_params *params,
8510 u8 gpio_mode)
8511{
8512 u32 pin_cfg;
8513 u8 port = params->port;
8514 struct bnx2x *bp = params->bp;
8515 pin_cfg = (REG_RD(bp, params->shmem_base +
8516 offsetof(struct shmem_region,
8517 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
8518 PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
8519 PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
8520 DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
8521 gpio_mode, pin_cfg);
8522 bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
8523}
8524
8525static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
8526 u8 gpio_mode)
8527{
8528 struct bnx2x *bp = params->bp;
8529 DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
8530 if (CHIP_IS_E3(bp)) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008531 /* Low ==> if SFP+ module is supported otherwise
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008532 * High ==> if SFP+ module is not on the approved vendor list
8533 */
8534 bnx2x_set_e3_module_fault_led(params, gpio_mode);
8535 } else
8536 bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
8537}
8538
Yaniv Rosner985848f2011-07-05 01:06:48 +00008539static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
8540 struct link_params *params)
8541{
Yaniv Rosnerb76070b2011-11-28 00:49:47 +00008542 struct bnx2x *bp = params->bp;
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00008543 bnx2x_warpcore_power_module(params, 0);
Yaniv Rosnerb76070b2011-11-28 00:49:47 +00008544 /* Put Warpcore in low power mode */
8545 REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
8546
8547 /* Put LCPLL in low power mode */
8548 REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
8549 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
8550 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
Yaniv Rosner985848f2011-07-05 01:06:48 +00008551}
8552
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008553static void bnx2x_power_sfp_module(struct link_params *params,
8554 struct bnx2x_phy *phy,
8555 u8 power)
8556{
8557 struct bnx2x *bp = params->bp;
8558 DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
8559
8560 switch (phy->type) {
8561 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8562 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8563 bnx2x_8727_power_module(params->bp, phy, power);
8564 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008565 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00008566 bnx2x_warpcore_power_module(params, power);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008567 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008568 default:
8569 break;
8570 }
8571}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008572static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
8573 struct bnx2x_phy *phy,
8574 u16 edc_mode)
8575{
8576 u16 val = 0;
8577 u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8578 struct bnx2x *bp = params->bp;
8579
8580 u8 lane = bnx2x_get_warpcore_lane(phy, params);
8581 /* This is a global register which controls all lanes */
8582 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8583 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8584 val &= ~(0xf << (lane << 2));
8585
8586 switch (edc_mode) {
8587 case EDC_MODE_LINEAR:
8588 case EDC_MODE_LIMITING:
8589 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8590 break;
8591 case EDC_MODE_PASSIVE_DAC:
Yaniv Rosner869952e2013-09-22 14:59:25 +03008592 case EDC_MODE_ACTIVE_DAC:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008593 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
8594 break;
8595 default:
8596 break;
8597 }
8598
8599 val |= (mode << (lane << 2));
8600 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
8601 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
8602 /* A must read */
8603 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8604 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8605
Yaniv Rosner19af03a2011-08-02 22:59:47 +00008606 /* Restart microcode to re-read the new mode */
8607 bnx2x_warpcore_reset_lane(bp, phy, 1);
8608 bnx2x_warpcore_reset_lane(bp, phy, 0);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008609
8610}
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008611
8612static void bnx2x_set_limiting_mode(struct link_params *params,
8613 struct bnx2x_phy *phy,
8614 u16 edc_mode)
8615{
8616 switch (phy->type) {
8617 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8618 bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
8619 break;
8620 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8621 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8622 bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
8623 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008624 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8625 bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
8626 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008627 }
8628}
8629
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008630int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
8631 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008632{
8633 struct bnx2x *bp = params->bp;
8634 u16 edc_mode;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008635 int rc = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008636
8637 u32 val = REG_RD(bp, params->shmem_base +
8638 offsetof(struct shmem_region, dev_info.
8639 port_feature_config[params->port].config));
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00008640 /* Enabled transmitter by default */
8641 bnx2x_sfp_set_transmitter(params, phy, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008642 DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
8643 params->port);
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008644 /* Power up module */
8645 bnx2x_power_sfp_module(params, phy, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008646 if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
8647 DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
8648 return -EINVAL;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008649 } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
Yuval Mintzd2310232012-06-20 19:05:19 +00008650 /* Check SFP+ module compatibility */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008651 DP(NETIF_MSG_LINK, "Module verification failed!!\n");
8652 rc = -EINVAL;
8653 /* Turn on fault module-detected led */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008654 bnx2x_set_sfp_module_fault_led(params,
8655 MISC_REGISTERS_GPIO_HIGH);
8656
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008657 /* Check if need to power down the SFP+ module */
8658 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8659 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008660 DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008661 bnx2x_power_sfp_module(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008662 return rc;
8663 }
8664 } else {
8665 /* Turn off fault module-detected led */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008666 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008667 }
8668
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008669 /* Check and set limiting mode / LRM mode on 8726. On 8727 it
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008670 * is done automatically
8671 */
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008672 bnx2x_set_limiting_mode(params, phy, edc_mode);
8673
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00008674 /* Disable transmit for this module if the module is not approved, and
8675 * laser needs to be disabled.
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008676 */
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00008677 if ((rc) &&
8678 ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8679 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008680 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008681
8682 return rc;
8683}
8684
8685void bnx2x_handle_module_detect_int(struct link_params *params)
8686{
8687 struct bnx2x *bp = params->bp;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008688 struct bnx2x_phy *phy;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008689 u32 gpio_val;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008690 u8 gpio_num, gpio_port;
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00008691 if (CHIP_IS_E3(bp)) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008692 phy = &params->phy[INT_PHY];
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00008693 /* Always enable TX laser,will be disabled in case of fault */
8694 bnx2x_sfp_set_transmitter(params, phy, 1);
8695 } else {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008696 phy = &params->phy[EXT_PHY1];
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00008697 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008698 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
8699 params->port, &gpio_num, &gpio_port) ==
8700 -EINVAL) {
8701 DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
8702 return;
8703 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008704
8705 /* Set valid module led off */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008706 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008707
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008708 /* Get current gpio val reflecting module plugged in / out*/
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008709 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008710
8711 /* Call the handling function in case module is detected */
8712 if (gpio_val == 0) {
Yaniv Rosner55386fe82012-11-27 03:46:30 +00008713 bnx2x_set_mdio_emac_per_phy(bp, params);
Yuval Mintzdbef8072012-06-20 19:05:22 +00008714 bnx2x_set_aer_mmd(params, phy);
8715
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008716 bnx2x_power_sfp_module(params, phy, 1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008717 bnx2x_set_gpio_int(bp, gpio_num,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008718 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008719 gpio_port);
Yuval Mintzdbef8072012-06-20 19:05:22 +00008720 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008721 bnx2x_sfp_module_detection(phy, params);
Yuval Mintzdbef8072012-06-20 19:05:22 +00008722 if (CHIP_IS_E3(bp)) {
8723 u16 rx_tx_in_reset;
8724 /* In case WC is out of reset, reconfigure the
8725 * link speed while taking into account 1G
8726 * module limitation.
8727 */
8728 bnx2x_cl45_read(bp, phy,
8729 MDIO_WC_DEVAD,
8730 MDIO_WC_REG_DIGITAL5_MISC6,
8731 &rx_tx_in_reset);
Yaniv Rosnerd91693232013-03-07 13:27:34 +00008732 if ((!rx_tx_in_reset) &&
8733 (params->link_flags &
8734 PHY_INITIALIZED)) {
Yuval Mintzdbef8072012-06-20 19:05:22 +00008735 bnx2x_warpcore_reset_lane(bp, phy, 1);
8736 bnx2x_warpcore_config_sfi(phy, params);
8737 bnx2x_warpcore_reset_lane(bp, phy, 0);
8738 }
8739 }
8740 } else {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008741 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
Yuval Mintzdbef8072012-06-20 19:05:22 +00008742 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008743 } else {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008744 bnx2x_set_gpio_int(bp, gpio_num,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008745 MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008746 gpio_port);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008747 /* Module was plugged out.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008748 * Disable transmit for this module
8749 */
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00008750 phy->media_type = ETH_PHY_NOT_PRESENT;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008751 }
8752}
8753
8754/******************************************************************/
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008755/* Used by 8706 and 8727 */
8756/******************************************************************/
8757static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
8758 struct bnx2x_phy *phy,
8759 u16 alarm_status_offset,
8760 u16 alarm_ctrl_offset)
8761{
8762 u16 alarm_status, val;
8763 bnx2x_cl45_read(bp, phy,
8764 MDIO_PMA_DEVAD, alarm_status_offset,
8765 &alarm_status);
8766 bnx2x_cl45_read(bp, phy,
8767 MDIO_PMA_DEVAD, alarm_status_offset,
8768 &alarm_status);
8769 /* Mask or enable the fault event. */
8770 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
8771 if (alarm_status & (1<<0))
8772 val &= ~(1<<0);
8773 else
8774 val |= (1<<0);
8775 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
8776}
8777/******************************************************************/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008778/* common BCM8706/BCM8726 PHY SECTION */
8779/******************************************************************/
8780static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
8781 struct link_params *params,
8782 struct link_vars *vars)
8783{
8784 u8 link_up = 0;
8785 u16 val1, val2, rx_sd, pcs_status;
8786 struct bnx2x *bp = params->bp;
8787 DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
8788 /* Clear RX Alarm*/
8789 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008790 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008791
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008792 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8793 MDIO_PMA_LASI_TXCTRL);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008794
Yuval Mintzd2310232012-06-20 19:05:19 +00008795 /* Clear LASI indication*/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008796 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008797 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008798 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008799 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008800 DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8801
8802 bnx2x_cl45_read(bp, phy,
8803 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8804 bnx2x_cl45_read(bp, phy,
8805 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
8806 bnx2x_cl45_read(bp, phy,
8807 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8808 bnx2x_cl45_read(bp, phy,
8809 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8810
8811 DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
8812 " link_status 0x%x\n", rx_sd, pcs_status, val2);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008813 /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008814 * are set, or if the autoneg bit 1 is set
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008815 */
8816 link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
8817 if (link_up) {
8818 if (val2 & (1<<1))
8819 vars->line_speed = SPEED_1000;
8820 else
8821 vars->line_speed = SPEED_10000;
8822 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00008823 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008824 }
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008825
8826 /* Capture 10G link fault. Read twice to clear stale value. */
8827 if (vars->line_speed == SPEED_10000) {
8828 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008829 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008830 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008831 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008832 if (val1 & (1<<0))
8833 vars->fault_detected = 1;
8834 }
8835
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008836 return link_up;
8837}
8838
8839/******************************************************************/
8840/* BCM8706 PHY SECTION */
8841/******************************************************************/
8842static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
8843 struct link_params *params,
8844 struct link_vars *vars)
8845{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008846 u32 tx_en_mode;
8847 u16 cnt, val, tmp1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008848 struct bnx2x *bp = params->bp;
Yaniv Rosner3deb8162011-06-14 01:34:33 +00008849
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008850 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008851 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008852 /* HW reset */
8853 bnx2x_ext_phy_hw_reset(bp, params->port);
8854 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00008855 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008856
8857 /* Wait until fw is loaded */
8858 for (cnt = 0; cnt < 100; cnt++) {
8859 bnx2x_cl45_read(bp, phy,
8860 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
8861 if (val)
8862 break;
Yuval Mintzd2310232012-06-20 19:05:19 +00008863 usleep_range(10000, 20000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008864 }
8865 DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
8866 if ((params->feature_config_flags &
8867 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8868 u8 i;
8869 u16 reg;
8870 for (i = 0; i < 4; i++) {
8871 reg = MDIO_XS_8706_REG_BANK_RX0 +
8872 i*(MDIO_XS_8706_REG_BANK_RX1 -
8873 MDIO_XS_8706_REG_BANK_RX0);
8874 bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
8875 /* Clear first 3 bits of the control */
8876 val &= ~0x7;
8877 /* Set control bits according to configuration */
8878 val |= (phy->rx_preemphasis[i] & 0x7);
8879 DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
8880 " reg 0x%x <-- val 0x%x\n", reg, val);
8881 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
8882 }
8883 }
8884 /* Force speed */
8885 if (phy->req_line_speed == SPEED_10000) {
8886 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
8887
8888 bnx2x_cl45_write(bp, phy,
8889 MDIO_PMA_DEVAD,
8890 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
8891 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008892 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008893 0);
8894 /* Arm LASI for link and Tx fault. */
8895 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008896 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008897 } else {
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008898 /* Force 1Gbps using autoneg with 1G advertisement */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008899
8900 /* Allow CL37 through CL73 */
8901 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
8902 bnx2x_cl45_write(bp, phy,
8903 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8904
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008905 /* Enable Full-Duplex advertisement on CL37 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008906 bnx2x_cl45_write(bp, phy,
8907 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
8908 /* Enable CL37 AN */
8909 bnx2x_cl45_write(bp, phy,
8910 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8911 /* 1G support */
8912 bnx2x_cl45_write(bp, phy,
8913 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
8914
8915 /* Enable clause 73 AN */
8916 bnx2x_cl45_write(bp, phy,
8917 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8918 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008919 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008920 0x0400);
8921 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008922 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008923 0x0004);
8924 }
8925 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008926
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008927 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008928 * power mode, if TX Laser is disabled
8929 */
8930
8931 tx_en_mode = REG_RD(bp, params->shmem_base +
8932 offsetof(struct shmem_region,
8933 dev_info.port_hw_config[params->port].sfp_ctrl))
8934 & PORT_HW_CFG_TX_LASER_MASK;
8935
8936 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8937 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8938 bnx2x_cl45_read(bp, phy,
8939 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
8940 tmp1 |= 0x1;
8941 bnx2x_cl45_write(bp, phy,
8942 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
8943 }
8944
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008945 return 0;
8946}
8947
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008948static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
8949 struct link_params *params,
8950 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008951{
8952 return bnx2x_8706_8726_read_status(phy, params, vars);
8953}
8954
8955/******************************************************************/
8956/* BCM8726 PHY SECTION */
8957/******************************************************************/
8958static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
8959 struct link_params *params)
8960{
8961 struct bnx2x *bp = params->bp;
8962 DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
8963 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
8964}
8965
8966static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
8967 struct link_params *params)
8968{
8969 struct bnx2x *bp = params->bp;
8970 /* Need to wait 100ms after reset */
8971 msleep(100);
8972
8973 /* Micro controller re-boot */
8974 bnx2x_cl45_write(bp, phy,
8975 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
8976
8977 /* Set soft reset */
8978 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008979 MDIO_PMA_DEVAD,
8980 MDIO_PMA_REG_GEN_CTRL,
8981 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008982
8983 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008984 MDIO_PMA_DEVAD,
8985 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008986
8987 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008988 MDIO_PMA_DEVAD,
8989 MDIO_PMA_REG_GEN_CTRL,
8990 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008991
Yuval Mintzd2310232012-06-20 19:05:19 +00008992 /* Wait for 150ms for microcode load */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008993 msleep(150);
8994
8995 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
8996 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008997 MDIO_PMA_DEVAD,
8998 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008999
9000 msleep(200);
9001 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
9002}
9003
9004static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
9005 struct link_params *params,
9006 struct link_vars *vars)
9007{
9008 struct bnx2x *bp = params->bp;
9009 u16 val1;
9010 u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
9011 if (link_up) {
9012 bnx2x_cl45_read(bp, phy,
9013 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9014 &val1);
9015 if (val1 & (1<<15)) {
9016 DP(NETIF_MSG_LINK, "Tx is disabled\n");
9017 link_up = 0;
9018 vars->line_speed = 0;
9019 }
9020 }
9021 return link_up;
9022}
9023
9024
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009025static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
9026 struct link_params *params,
9027 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009028{
9029 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009030 DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009031
9032 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00009033 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009034
9035 bnx2x_8726_external_rom_boot(phy, params);
9036
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009037 /* Need to call module detected on initialization since the module
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009038 * detection triggered by actual module insertion might occur before
9039 * driver is loaded, and when driver is loaded, it reset all
9040 * registers, including the transmitter
9041 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009042 bnx2x_sfp_module_detection(phy, params);
9043
9044 if (phy->req_line_speed == SPEED_1000) {
9045 DP(NETIF_MSG_LINK, "Setting 1G force\n");
9046 bnx2x_cl45_write(bp, phy,
9047 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9048 bnx2x_cl45_write(bp, phy,
9049 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9050 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009051 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009052 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009053 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009054 0x400);
9055 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9056 (phy->speed_cap_mask &
9057 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
9058 ((phy->speed_cap_mask &
9059 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9060 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9061 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9062 /* Set Flow control */
9063 bnx2x_ext_phy_set_pause(params, phy, vars);
9064 bnx2x_cl45_write(bp, phy,
9065 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
9066 bnx2x_cl45_write(bp, phy,
9067 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
9068 bnx2x_cl45_write(bp, phy,
9069 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
9070 bnx2x_cl45_write(bp, phy,
9071 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
9072 bnx2x_cl45_write(bp, phy,
9073 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009074 /* Enable RX-ALARM control to receive interrupt for 1G speed
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009075 * change
9076 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009077 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009078 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009079 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009080 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009081 0x400);
9082
9083 } else { /* Default 10G. Set only LASI control */
9084 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009085 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009086 }
9087
9088 /* Set TX PreEmphasis if needed */
9089 if ((params->feature_config_flags &
9090 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
Joe Perches94f05b02011-08-14 12:16:20 +00009091 DP(NETIF_MSG_LINK,
9092 "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009093 phy->tx_preemphasis[0],
9094 phy->tx_preemphasis[1]);
9095 bnx2x_cl45_write(bp, phy,
9096 MDIO_PMA_DEVAD,
9097 MDIO_PMA_REG_8726_TX_CTRL1,
9098 phy->tx_preemphasis[0]);
9099
9100 bnx2x_cl45_write(bp, phy,
9101 MDIO_PMA_DEVAD,
9102 MDIO_PMA_REG_8726_TX_CTRL2,
9103 phy->tx_preemphasis[1]);
9104 }
9105
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009106 return 0;
9107
9108}
9109
9110static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
9111 struct link_params *params)
9112{
9113 struct bnx2x *bp = params->bp;
9114 DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
9115 /* Set serial boot control for external load */
9116 bnx2x_cl45_write(bp, phy,
9117 MDIO_PMA_DEVAD,
9118 MDIO_PMA_REG_GEN_CTRL, 0x0001);
9119}
9120
9121/******************************************************************/
9122/* BCM8727 PHY SECTION */
9123/******************************************************************/
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009124
9125static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
9126 struct link_params *params, u8 mode)
9127{
9128 struct bnx2x *bp = params->bp;
9129 u16 led_mode_bitmask = 0;
9130 u16 gpio_pins_bitmask = 0;
9131 u16 val;
9132 /* Only NOC flavor requires to set the LED specifically */
9133 if (!(phy->flags & FLAGS_NOC))
9134 return;
9135 switch (mode) {
9136 case LED_MODE_FRONT_PANEL_OFF:
9137 case LED_MODE_OFF:
9138 led_mode_bitmask = 0;
9139 gpio_pins_bitmask = 0x03;
9140 break;
9141 case LED_MODE_ON:
9142 led_mode_bitmask = 0;
9143 gpio_pins_bitmask = 0x02;
9144 break;
9145 case LED_MODE_OPER:
9146 led_mode_bitmask = 0x60;
9147 gpio_pins_bitmask = 0x11;
9148 break;
9149 }
9150 bnx2x_cl45_read(bp, phy,
9151 MDIO_PMA_DEVAD,
9152 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9153 &val);
9154 val &= 0xff8f;
9155 val |= led_mode_bitmask;
9156 bnx2x_cl45_write(bp, phy,
9157 MDIO_PMA_DEVAD,
9158 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9159 val);
9160 bnx2x_cl45_read(bp, phy,
9161 MDIO_PMA_DEVAD,
9162 MDIO_PMA_REG_8727_GPIO_CTRL,
9163 &val);
9164 val &= 0xffe0;
9165 val |= gpio_pins_bitmask;
9166 bnx2x_cl45_write(bp, phy,
9167 MDIO_PMA_DEVAD,
9168 MDIO_PMA_REG_8727_GPIO_CTRL,
9169 val);
9170}
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009171static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
9172 struct link_params *params) {
9173 u32 swap_val, swap_override;
9174 u8 port;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009175 /* The PHY reset is controlled by GPIO 1. Fake the port number
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009176 * to cancel the swap done in set_gpio()
9177 */
9178 struct bnx2x *bp = params->bp;
9179 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
9180 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
9181 port = (swap_val && swap_override) ^ 1;
9182 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009183 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009184}
9185
Yuval Mintzdbef8072012-06-20 19:05:22 +00009186static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
9187 struct link_params *params)
9188{
9189 struct bnx2x *bp = params->bp;
9190 u16 tmp1, val;
9191 /* Set option 1G speed */
9192 if ((phy->req_line_speed == SPEED_1000) ||
9193 (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
9194 DP(NETIF_MSG_LINK, "Setting 1G force\n");
9195 bnx2x_cl45_write(bp, phy,
9196 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9197 bnx2x_cl45_write(bp, phy,
9198 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9199 bnx2x_cl45_read(bp, phy,
9200 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
9201 DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
9202 /* Power down the XAUI until link is up in case of dual-media
9203 * and 1G
9204 */
9205 if (DUAL_MEDIA(params)) {
9206 bnx2x_cl45_read(bp, phy,
9207 MDIO_PMA_DEVAD,
9208 MDIO_PMA_REG_8727_PCS_GP, &val);
9209 val |= (3<<10);
9210 bnx2x_cl45_write(bp, phy,
9211 MDIO_PMA_DEVAD,
9212 MDIO_PMA_REG_8727_PCS_GP, val);
9213 }
9214 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9215 ((phy->speed_cap_mask &
9216 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
9217 ((phy->speed_cap_mask &
9218 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9219 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9220
9221 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9222 bnx2x_cl45_write(bp, phy,
9223 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
9224 bnx2x_cl45_write(bp, phy,
9225 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
9226 } else {
9227 /* Since the 8727 has only single reset pin, need to set the 10G
9228 * registers although it is default
9229 */
9230 bnx2x_cl45_write(bp, phy,
9231 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
9232 0x0020);
9233 bnx2x_cl45_write(bp, phy,
9234 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
9235 bnx2x_cl45_write(bp, phy,
9236 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
9237 bnx2x_cl45_write(bp, phy,
9238 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
9239 0x0008);
9240 }
9241}
9242
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009243static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
9244 struct link_params *params,
9245 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009246{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00009247 u32 tx_en_mode;
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00009248 u16 tmp1, mod_abs, tmp2;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009249 struct bnx2x *bp = params->bp;
9250 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
9251
Yaniv Rosner6d870c32011-01-31 04:22:20 +00009252 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009253
9254 DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009255
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00009256 bnx2x_8727_specific_func(phy, params, PHY_INIT);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009257 /* Initially configure MOD_ABS to interrupt when module is
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009258 * presence( bit 8)
9259 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009260 bnx2x_cl45_read(bp, phy,
9261 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009262 /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009263 * When the EDC is off it locks onto a reference clock and avoids
9264 * becoming 'lost'
9265 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009266 mod_abs &= ~(1<<8);
9267 if (!(phy->flags & FLAGS_NOC))
9268 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009269 bnx2x_cl45_write(bp, phy,
9270 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9271
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009272 /* Enable/Disable PHY transmitter output */
9273 bnx2x_set_disable_pmd_transmit(params, phy, 0);
9274
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009275 bnx2x_8727_power_module(bp, phy, 1);
9276
9277 bnx2x_cl45_read(bp, phy,
9278 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
9279
9280 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009281 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009282
Yuval Mintzdbef8072012-06-20 19:05:22 +00009283 bnx2x_8727_config_speed(phy, params);
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00009284
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009285
9286 /* Set TX PreEmphasis if needed */
9287 if ((params->feature_config_flags &
9288 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9289 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9290 phy->tx_preemphasis[0],
9291 phy->tx_preemphasis[1]);
9292 bnx2x_cl45_write(bp, phy,
9293 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
9294 phy->tx_preemphasis[0]);
9295
9296 bnx2x_cl45_write(bp, phy,
9297 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
9298 phy->tx_preemphasis[1]);
9299 }
9300
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009301 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00009302 * power mode, if TX Laser is disabled
9303 */
9304 tx_en_mode = REG_RD(bp, params->shmem_base +
9305 offsetof(struct shmem_region,
9306 dev_info.port_hw_config[params->port].sfp_ctrl))
9307 & PORT_HW_CFG_TX_LASER_MASK;
9308
9309 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9310
9311 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
9312 bnx2x_cl45_read(bp, phy,
9313 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
9314 tmp2 |= 0x1000;
9315 tmp2 &= 0xFFEF;
9316 bnx2x_cl45_write(bp, phy,
9317 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
Yaniv Rosner59a2e532012-04-04 01:28:59 +00009318 bnx2x_cl45_read(bp, phy,
9319 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9320 &tmp2);
9321 bnx2x_cl45_write(bp, phy,
9322 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9323 (tmp2 & 0x7fff));
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00009324 }
9325
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009326 return 0;
9327}
9328
9329static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
9330 struct link_params *params)
9331{
9332 struct bnx2x *bp = params->bp;
9333 u16 mod_abs, rx_alarm_status;
9334 u32 val = REG_RD(bp, params->shmem_base +
9335 offsetof(struct shmem_region, dev_info.
9336 port_feature_config[params->port].
9337 config));
9338 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009339 MDIO_PMA_DEVAD,
9340 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009341 if (mod_abs & (1<<8)) {
9342
9343 /* Module is absent */
Joe Perches94f05b02011-08-14 12:16:20 +00009344 DP(NETIF_MSG_LINK,
9345 "MOD_ABS indication show module is absent\n");
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00009346 phy->media_type = ETH_PHY_NOT_PRESENT;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009347 /* 1. Set mod_abs to detect next module
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009348 * presence event
9349 * 2. Set EDC off by setting OPTXLOS signal input to low
9350 * (bit 9).
9351 * When the EDC is off it locks onto a reference clock and
9352 * avoids becoming 'lost'.
9353 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009354 mod_abs &= ~(1<<8);
9355 if (!(phy->flags & FLAGS_NOC))
9356 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009357 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009358 MDIO_PMA_DEVAD,
9359 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009360
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009361 /* Clear RX alarm since it stays up as long as
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009362 * the mod_abs wasn't changed
9363 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009364 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009365 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009366 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009367
9368 } else {
9369 /* Module is present */
Joe Perches94f05b02011-08-14 12:16:20 +00009370 DP(NETIF_MSG_LINK,
9371 "MOD_ABS indication show module is present\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009372 /* First disable transmitter, and if the module is ok, the
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009373 * module_detection will enable it
9374 * 1. Set mod_abs to detect next module absent event ( bit 8)
9375 * 2. Restore the default polarity of the OPRXLOS signal and
9376 * this signal will then correctly indicate the presence or
9377 * absence of the Rx signal. (bit 9)
9378 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009379 mod_abs |= (1<<8);
9380 if (!(phy->flags & FLAGS_NOC))
9381 mod_abs |= (1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009382 bnx2x_cl45_write(bp, phy,
9383 MDIO_PMA_DEVAD,
9384 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9385
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009386 /* Clear RX alarm since it stays up as long as the mod_abs
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009387 * wasn't changed. This is need to be done before calling the
9388 * module detection, otherwise it will clear* the link update
9389 * alarm
9390 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009391 bnx2x_cl45_read(bp, phy,
9392 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009393 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009394
9395
9396 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9397 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00009398 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009399
9400 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
9401 bnx2x_sfp_module_detection(phy, params);
9402 else
9403 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
Yuval Mintzdbef8072012-06-20 19:05:22 +00009404
9405 /* Reconfigure link speed based on module type limitations */
9406 bnx2x_8727_config_speed(phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009407 }
9408
9409 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009410 rx_alarm_status);
9411 /* No need to check link status in case of module plugged in/out */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009412}
9413
9414static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
9415 struct link_params *params,
9416 struct link_vars *vars)
9417
9418{
9419 struct bnx2x *bp = params->bp;
Yaniv Rosner27d02432011-05-31 21:27:48 +00009420 u8 link_up = 0, oc_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009421 u16 link_status = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009422 u16 rx_alarm_status, lasi_ctrl, val1;
9423
9424 /* If PHY is not initialized, do not check link status */
9425 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009426 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009427 &lasi_ctrl);
9428 if (!lasi_ctrl)
9429 return 0;
9430
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00009431 /* Check the LASI on Rx */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009432 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009433 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009434 &rx_alarm_status);
9435 vars->line_speed = 0;
9436 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
9437
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009438 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
9439 MDIO_PMA_LASI_TXCTRL);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00009440
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009441 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009442 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009443
9444 DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
9445
9446 /* Clear MSG-OUT */
9447 bnx2x_cl45_read(bp, phy,
9448 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
9449
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009450 /* If a module is present and there is need to check
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009451 * for over current
9452 */
9453 if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
9454 /* Check over-current using 8727 GPIO0 input*/
9455 bnx2x_cl45_read(bp, phy,
9456 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
9457 &val1);
9458
9459 if ((val1 & (1<<8)) == 0) {
Yaniv Rosner27d02432011-05-31 21:27:48 +00009460 if (!CHIP_IS_E1x(bp))
9461 oc_port = BP_PATH(bp) + (params->port << 1);
Joe Perches94f05b02011-08-14 12:16:20 +00009462 DP(NETIF_MSG_LINK,
9463 "8727 Power fault has been detected on port %d\n",
9464 oc_port);
Yaniv Rosner2f751a82011-11-28 00:49:52 +00009465 netdev_err(bp->dev, "Error: Power fault on Port %d has "
9466 "been detected and the power to "
9467 "that SFP+ module has been removed "
9468 "to prevent failure of the card. "
9469 "Please remove the SFP+ module and "
9470 "restart the system to clear this "
9471 "error.\n",
Yaniv Rosner27d02432011-05-31 21:27:48 +00009472 oc_port);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009473 /* Disable all RX_ALARMs except for mod_abs */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009474 bnx2x_cl45_write(bp, phy,
9475 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009476 MDIO_PMA_LASI_RXCTRL, (1<<5));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009477
9478 bnx2x_cl45_read(bp, phy,
9479 MDIO_PMA_DEVAD,
9480 MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
9481 /* Wait for module_absent_event */
9482 val1 |= (1<<8);
9483 bnx2x_cl45_write(bp, phy,
9484 MDIO_PMA_DEVAD,
9485 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
9486 /* Clear RX alarm */
9487 bnx2x_cl45_read(bp, phy,
9488 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009489 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00009490 bnx2x_8727_power_module(params->bp, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009491 return 0;
9492 }
9493 } /* Over current check */
9494
9495 /* When module absent bit is set, check module */
9496 if (rx_alarm_status & (1<<5)) {
9497 bnx2x_8727_handle_mod_abs(phy, params);
9498 /* Enable all mod_abs and link detection bits */
9499 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009500 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009501 ((1<<5) | (1<<2)));
9502 }
Yaniv Rosner59a2e532012-04-04 01:28:59 +00009503
9504 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
9505 DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
9506 bnx2x_sfp_set_transmitter(params, phy, 1);
9507 } else {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009508 DP(NETIF_MSG_LINK, "Tx is disabled\n");
9509 return 0;
9510 }
9511
9512 bnx2x_cl45_read(bp, phy,
9513 MDIO_PMA_DEVAD,
9514 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
9515
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009516 /* Bits 0..2 --> speed detected,
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009517 * Bits 13..15--> link is down
9518 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009519 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
9520 link_up = 1;
9521 vars->line_speed = SPEED_10000;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009522 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
9523 params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009524 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
9525 link_up = 1;
9526 vars->line_speed = SPEED_1000;
9527 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
9528 params->port);
9529 } else {
9530 link_up = 0;
9531 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
9532 params->port);
9533 }
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00009534
9535 /* Capture 10G link fault. */
9536 if (vars->line_speed == SPEED_10000) {
9537 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009538 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00009539
9540 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009541 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00009542
9543 if (val1 & (1<<0)) {
9544 vars->fault_detected = 1;
9545 }
9546 }
9547
Yaniv Rosner791f18c2011-01-18 04:33:42 +00009548 if (link_up) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009549 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00009550 vars->duplex = DUPLEX_FULL;
9551 DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
9552 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009553
9554 if ((DUAL_MEDIA(params)) &&
9555 (phy->req_line_speed == SPEED_1000)) {
9556 bnx2x_cl45_read(bp, phy,
9557 MDIO_PMA_DEVAD,
9558 MDIO_PMA_REG_8727_PCS_GP, &val1);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009559 /* In case of dual-media board and 1G, power up the XAUI side,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009560 * otherwise power it down. For 10G it is done automatically
9561 */
9562 if (link_up)
9563 val1 &= ~(3<<10);
9564 else
9565 val1 |= (3<<10);
9566 bnx2x_cl45_write(bp, phy,
9567 MDIO_PMA_DEVAD,
9568 MDIO_PMA_REG_8727_PCS_GP, val1);
9569 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009570 return link_up;
9571}
9572
9573static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
9574 struct link_params *params)
9575{
9576 struct bnx2x *bp = params->bp;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009577
9578 /* Enable/Disable PHY transmitter output */
9579 bnx2x_set_disable_pmd_transmit(params, phy, 1);
9580
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009581 /* Disable Transmitter */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00009582 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009583 /* Clear LASI */
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009584 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009585
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009586}
9587
9588/******************************************************************/
9589/* BCM8481/BCM84823/BCM84833 PHY SECTION */
9590/******************************************************************/
9591static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009592 struct bnx2x *bp,
9593 u8 port)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009594{
Yaniv Rosner503976e2012-11-27 03:46:34 +00009595 u16 val, fw_ver2, cnt, i;
9596 static struct bnx2x_reg_set reg_set[] = {
9597 {MDIO_PMA_DEVAD, 0xA819, 0x0014},
9598 {MDIO_PMA_DEVAD, 0xA81A, 0xc200},
9599 {MDIO_PMA_DEVAD, 0xA81B, 0x0000},
9600 {MDIO_PMA_DEVAD, 0xA81C, 0x0300},
9601 {MDIO_PMA_DEVAD, 0xA817, 0x0009}
9602 };
9603 u16 fw_ver1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009604
Yaniv Rosner0f6bb032012-11-27 03:46:32 +00009605 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9606 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009607 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
Yaniv Rosner8267bbb02012-04-04 01:29:00 +00009608 bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009609 phy->ver_addr);
9610 } else {
9611 /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
9612 /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
Yaniv Rosner05fcaea2013-03-27 01:05:19 +00009613 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
Yaniv Rosner503976e2012-11-27 03:46:34 +00009614 bnx2x_cl45_write(bp, phy, reg_set[i].devad,
9615 reg_set[i].reg, reg_set[i].val);
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00009616
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009617 for (cnt = 0; cnt < 100; cnt++) {
9618 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9619 if (val & 1)
9620 break;
9621 udelay(5);
9622 }
9623 if (cnt == 100) {
9624 DP(NETIF_MSG_LINK, "Unable to read 848xx "
9625 "phy fw version(1)\n");
9626 bnx2x_save_spirom_version(bp, port, 0,
9627 phy->ver_addr);
9628 return;
9629 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009630
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009631
9632 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
9633 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
9634 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9635 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
9636 for (cnt = 0; cnt < 100; cnt++) {
9637 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9638 if (val & 1)
9639 break;
9640 udelay(5);
9641 }
9642 if (cnt == 100) {
9643 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
9644 "version(2)\n");
9645 bnx2x_save_spirom_version(bp, port, 0,
9646 phy->ver_addr);
9647 return;
9648 }
9649
9650 /* lower 16 bits of the register SPI_FW_STATUS */
9651 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
9652 /* upper 16 bits of register SPI_FW_STATUS */
9653 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
9654
9655 bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009656 phy->ver_addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009657 }
9658
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009659}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009660static void bnx2x_848xx_set_led(struct bnx2x *bp,
9661 struct bnx2x_phy *phy)
9662{
Yaniv Rosner503976e2012-11-27 03:46:34 +00009663 u16 val, offset, i;
9664 static struct bnx2x_reg_set reg_set[] = {
9665 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
9666 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
9667 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
9668 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
9669 {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
9670 MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
9671 {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
9672 };
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009673 /* PHYC_CTL_LED_CTL */
9674 bnx2x_cl45_read(bp, phy,
9675 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009676 MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009677 val &= 0xFE00;
9678 val |= 0x0092;
9679
9680 bnx2x_cl45_write(bp, phy,
9681 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009682 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009683
Sasha Levinb5a05552012-12-20 09:11:24 +00009684 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
Yaniv Rosner503976e2012-11-27 03:46:34 +00009685 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
9686 reg_set[i].val);
Yaniv Rosner521683d2011-11-28 00:49:48 +00009687
Yaniv Rosner0f6bb032012-11-27 03:46:32 +00009688 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9689 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
Yaniv Rosner521683d2011-11-28 00:49:48 +00009690 offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
9691 else
9692 offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
9693
Yaniv Rosner503976e2012-11-27 03:46:34 +00009694 /* stretch_en for LED3*/
9695 bnx2x_cl45_read_or_write(bp, phy,
9696 MDIO_PMA_DEVAD, offset,
9697 MDIO_PMA_REG_84823_LED3_STRETCH_EN);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009698}
9699
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00009700static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
9701 struct link_params *params,
9702 u32 action)
9703{
9704 struct bnx2x *bp = params->bp;
9705 switch (action) {
9706 case PHY_INIT:
Yaniv Rosner0f6bb032012-11-27 03:46:32 +00009707 if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
9708 (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00009709 /* Save spirom version */
9710 bnx2x_save_848xx_spirom_version(phy, bp, params->port);
9711 }
9712 /* This phy uses the NIG latch mechanism since link indication
9713 * arrives through its LED4 and not via its LASI signal, so we
9714 * get steady signal instead of clear on read
9715 */
9716 bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
9717 1 << NIG_LATCH_BC_ENABLE_MI_INT);
9718
9719 bnx2x_848xx_set_led(bp, phy);
9720 break;
9721 }
9722}
9723
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009724static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
9725 struct link_params *params,
9726 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009727{
9728 struct bnx2x *bp = params->bp;
Yaniv Rosner503976e2012-11-27 03:46:34 +00009729 u16 autoneg_val, an_1000_val, an_10_100_val;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009730
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00009731 bnx2x_848xx_specific_func(phy, params, PHY_INIT);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009732 bnx2x_cl45_write(bp, phy,
9733 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
9734
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009735 /* set 1000 speed advertisement */
9736 bnx2x_cl45_read(bp, phy,
9737 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9738 &an_1000_val);
9739
9740 bnx2x_ext_phy_set_pause(params, phy, vars);
9741 bnx2x_cl45_read(bp, phy,
9742 MDIO_AN_DEVAD,
9743 MDIO_AN_REG_8481_LEGACY_AN_ADV,
9744 &an_10_100_val);
9745 bnx2x_cl45_read(bp, phy,
9746 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9747 &autoneg_val);
9748 /* Disable forced speed */
9749 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9750 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
9751
9752 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9753 (phy->speed_cap_mask &
9754 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9755 (phy->req_line_speed == SPEED_1000)) {
9756 an_1000_val |= (1<<8);
9757 autoneg_val |= (1<<9 | 1<<12);
9758 if (phy->req_duplex == DUPLEX_FULL)
9759 an_1000_val |= (1<<9);
9760 DP(NETIF_MSG_LINK, "Advertising 1G\n");
9761 } else
9762 an_1000_val &= ~((1<<8) | (1<<9));
9763
9764 bnx2x_cl45_write(bp, phy,
9765 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9766 an_1000_val);
9767
Yaniv Rosner343f7dc2013-09-22 14:59:26 +03009768 /* Set 10/100 speed advertisement */
9769 if (phy->req_line_speed == SPEED_AUTO_NEG) {
9770 if (phy->speed_cap_mask &
9771 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
9772 /* Enable autoneg and restart autoneg for legacy speeds
9773 */
9774 autoneg_val |= (1<<9 | 1<<12);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009775 an_10_100_val |= (1<<8);
Yaniv Rosner343f7dc2013-09-22 14:59:26 +03009776 DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
9777 }
9778
9779 if (phy->speed_cap_mask &
9780 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
9781 /* Enable autoneg and restart autoneg for legacy speeds
9782 */
9783 autoneg_val |= (1<<9 | 1<<12);
9784 an_10_100_val |= (1<<7);
9785 DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
9786 }
9787
9788 if ((phy->speed_cap_mask &
9789 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
9790 (phy->supported & SUPPORTED_10baseT_Full)) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009791 an_10_100_val |= (1<<6);
Yaniv Rosner343f7dc2013-09-22 14:59:26 +03009792 autoneg_val |= (1<<9 | 1<<12);
9793 DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
9794 }
9795
9796 if ((phy->speed_cap_mask &
9797 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
9798 (phy->supported & SUPPORTED_10baseT_Half)) {
9799 an_10_100_val |= (1<<5);
9800 autoneg_val |= (1<<9 | 1<<12);
9801 DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
9802 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009803 }
9804
9805 /* Only 10/100 are allowed to work in FORCE mode */
Yaniv Rosner0520e632011-07-05 01:06:59 +00009806 if ((phy->req_line_speed == SPEED_100) &&
9807 (phy->supported &
9808 (SUPPORTED_100baseT_Half |
9809 SUPPORTED_100baseT_Full))) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009810 autoneg_val |= (1<<13);
9811 /* Enabled AUTO-MDIX when autoneg is disabled */
9812 bnx2x_cl45_write(bp, phy,
9813 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9814 (1<<15 | 1<<9 | 7<<0));
Yaniv Rosner521683d2011-11-28 00:49:48 +00009815 /* The PHY needs this set even for forced link. */
9816 an_10_100_val |= (1<<8) | (1<<7);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009817 DP(NETIF_MSG_LINK, "Setting 100M force\n");
9818 }
Yaniv Rosner0520e632011-07-05 01:06:59 +00009819 if ((phy->req_line_speed == SPEED_10) &&
9820 (phy->supported &
9821 (SUPPORTED_10baseT_Half |
9822 SUPPORTED_10baseT_Full))) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009823 /* Enabled AUTO-MDIX when autoneg is disabled */
9824 bnx2x_cl45_write(bp, phy,
9825 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9826 (1<<15 | 1<<9 | 7<<0));
9827 DP(NETIF_MSG_LINK, "Setting 10M force\n");
9828 }
9829
9830 bnx2x_cl45_write(bp, phy,
9831 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
9832 an_10_100_val);
9833
9834 if (phy->req_duplex == DUPLEX_FULL)
9835 autoneg_val |= (1<<8);
9836
Yaniv Rosner0f6bb032012-11-27 03:46:32 +00009837 /* Always write this if this is not 84833/4.
9838 * For 84833/4, write it only when it's a forced speed.
Yaniv Rosnerfd38f73e2011-08-02 22:59:53 +00009839 */
Yaniv Rosner0f6bb032012-11-27 03:46:32 +00009840 if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
9841 (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
Yaniv Rosner503976e2012-11-27 03:46:34 +00009842 ((autoneg_val & (1<<12)) == 0))
Yaniv Rosnerfd38f73e2011-08-02 22:59:53 +00009843 bnx2x_cl45_write(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009844 MDIO_AN_DEVAD,
9845 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
9846
9847 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9848 (phy->speed_cap_mask &
9849 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
9850 (phy->req_line_speed == SPEED_10000)) {
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00009851 DP(NETIF_MSG_LINK, "Advertising 10G\n");
9852 /* Restart autoneg for 10G*/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009853
Yaniv Rosner503976e2012-11-27 03:46:34 +00009854 bnx2x_cl45_read_or_write(
9855 bp, phy,
9856 MDIO_AN_DEVAD,
9857 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9858 0x1000);
Yaniv Rosner521683d2011-11-28 00:49:48 +00009859 bnx2x_cl45_write(bp, phy,
9860 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
9861 0x3200);
Yaniv Rosnerfd38f73e2011-08-02 22:59:53 +00009862 } else
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009863 bnx2x_cl45_write(bp, phy,
9864 MDIO_AN_DEVAD,
9865 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9866 1);
Yaniv Rosnerfd38f73e2011-08-02 22:59:53 +00009867
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009868 return 0;
9869}
9870
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009871static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
9872 struct link_params *params,
9873 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009874{
9875 struct bnx2x *bp = params->bp;
9876 /* Restore normal power mode*/
9877 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009878 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009879
9880 /* HW reset */
9881 bnx2x_ext_phy_hw_reset(bp, params->port);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00009882 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009883
9884 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9885 return bnx2x_848xx_cmn_config_init(phy, params, vars);
9886}
9887
Yaniv Rosner521683d2011-11-28 00:49:48 +00009888#define PHY84833_CMDHDLR_WAIT 300
9889#define PHY84833_CMDHDLR_MAX_ARGS 5
9890static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
Yaniv Rosner503976e2012-11-27 03:46:34 +00009891 struct link_params *params, u16 fw_cmd,
9892 u16 cmd_args[], int argc)
Yaniv Rosner521683d2011-11-28 00:49:48 +00009893{
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009894 int idx;
Yaniv Rosner521683d2011-11-28 00:49:48 +00009895 u16 val;
9896 struct bnx2x *bp = params->bp;
9897 /* Write CMD_OPEN_OVERRIDE to STATUS reg */
9898 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9899 MDIO_84833_CMD_HDLR_STATUS,
9900 PHY84833_STATUS_CMD_OPEN_OVERRIDE);
9901 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9902 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9903 MDIO_84833_CMD_HDLR_STATUS, &val);
9904 if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
9905 break;
Yaniv Rosner503976e2012-11-27 03:46:34 +00009906 usleep_range(1000, 2000);
Yaniv Rosner521683d2011-11-28 00:49:48 +00009907 }
9908 if (idx >= PHY84833_CMDHDLR_WAIT) {
9909 DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
9910 return -EINVAL;
9911 }
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009912
Yaniv Rosner521683d2011-11-28 00:49:48 +00009913 /* Prepare argument(s) and issue command */
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009914 for (idx = 0; idx < argc; idx++) {
Yaniv Rosner521683d2011-11-28 00:49:48 +00009915 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9916 MDIO_84833_CMD_HDLR_DATA1 + idx,
9917 cmd_args[idx]);
9918 }
9919 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9920 MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
9921 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9922 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9923 MDIO_84833_CMD_HDLR_STATUS, &val);
9924 if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
9925 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
9926 break;
Yaniv Rosner503976e2012-11-27 03:46:34 +00009927 usleep_range(1000, 2000);
Yaniv Rosner521683d2011-11-28 00:49:48 +00009928 }
9929 if ((idx >= PHY84833_CMDHDLR_WAIT) ||
9930 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
9931 DP(NETIF_MSG_LINK, "FW cmd failed.\n");
9932 return -EINVAL;
9933 }
9934 /* Gather returning data */
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009935 for (idx = 0; idx < argc; idx++) {
Yaniv Rosner521683d2011-11-28 00:49:48 +00009936 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9937 MDIO_84833_CMD_HDLR_DATA1 + idx,
9938 &cmd_args[idx]);
9939 }
9940 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9941 MDIO_84833_CMD_HDLR_STATUS,
9942 PHY84833_STATUS_CMD_CLEAR_COMPLETE);
9943 return 0;
9944}
9945
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009946static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
9947 struct link_params *params,
9948 struct link_vars *vars)
9949{
Yaniv Rosner0520e632011-07-05 01:06:59 +00009950 u32 pair_swap;
Yaniv Rosner521683d2011-11-28 00:49:48 +00009951 u16 data[PHY84833_CMDHDLR_MAX_ARGS];
9952 int status;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009953 struct bnx2x *bp = params->bp;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009954
Yaniv Rosner0520e632011-07-05 01:06:59 +00009955 /* Check for configuration. */
9956 pair_swap = REG_RD(bp, params->shmem_base +
9957 offsetof(struct shmem_region,
9958 dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
9959 PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
9960
9961 if (pair_swap == 0)
9962 return 0;
9963
Yaniv Rosner521683d2011-11-28 00:49:48 +00009964 /* Only the second argument is used for this command */
9965 data[1] = (u16)pair_swap;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009966
Yaniv Rosner521683d2011-11-28 00:49:48 +00009967 status = bnx2x_84833_cmd_hdlr(phy, params,
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009968 PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
Yaniv Rosner521683d2011-11-28 00:49:48 +00009969 if (status == 0)
9970 DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009971
Yaniv Rosner521683d2011-11-28 00:49:48 +00009972 return status;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009973}
9974
Yaniv Rosner985848f2011-07-05 01:06:48 +00009975static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
9976 u32 shmem_base_path[],
9977 u32 chip_id)
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009978{
9979 u32 reset_pin[2];
9980 u32 idx;
9981 u8 reset_gpios;
9982 if (CHIP_IS_E3(bp)) {
9983 /* Assume that these will be GPIOs, not EPIOs. */
9984 for (idx = 0; idx < 2; idx++) {
9985 /* Map config param to register bit. */
9986 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9987 offsetof(struct shmem_region,
9988 dev_info.port_hw_config[0].e3_cmn_pin_cfg));
9989 reset_pin[idx] = (reset_pin[idx] &
9990 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
9991 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
9992 reset_pin[idx] -= PIN_CFG_GPIO0_P0;
9993 reset_pin[idx] = (1 << reset_pin[idx]);
9994 }
9995 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9996 } else {
9997 /* E2, look from diff place of shmem. */
9998 for (idx = 0; idx < 2; idx++) {
9999 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
10000 offsetof(struct shmem_region,
10001 dev_info.port_hw_config[0].default_cfg));
10002 reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
10003 reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
10004 reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
10005 reset_pin[idx] = (1 << reset_pin[idx]);
10006 }
10007 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
10008 }
10009
Yaniv Rosner985848f2011-07-05 01:06:48 +000010010 return reset_gpios;
10011}
10012
10013static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
10014 struct link_params *params)
10015{
10016 struct bnx2x *bp = params->bp;
10017 u8 reset_gpios;
10018 u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
10019 offsetof(struct shmem2_region,
10020 other_shmem_base_addr));
10021
10022 u32 shmem_base_path[2];
Yaniv Rosner99bf7f32012-04-04 01:29:01 +000010023
10024 /* Work around for 84833 LED failure inside RESET status */
10025 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10026 MDIO_AN_REG_8481_LEGACY_MII_CTRL,
10027 MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
10028 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10029 MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
10030 MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
10031
Yaniv Rosner985848f2011-07-05 01:06:48 +000010032 shmem_base_path[0] = params->shmem_base;
10033 shmem_base_path[1] = other_shmem_base_addr;
10034
10035 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
10036 params->chip_id);
10037
10038 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
10039 udelay(10);
10040 DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
10041 reset_gpios);
10042
10043 return 0;
10044}
10045
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010046static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
10047 struct link_params *params,
10048 struct link_vars *vars)
10049{
10050 int rc;
10051 struct bnx2x *bp = params->bp;
10052 u16 cmd_args = 0;
10053
10054 DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
10055
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010056 /* Prevent Phy from working in EEE and advertising it */
10057 rc = bnx2x_84833_cmd_hdlr(phy, params,
10058 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
Yuval Mintzd2310232012-06-20 19:05:19 +000010059 if (rc) {
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010060 DP(NETIF_MSG_LINK, "EEE disable failed.\n");
10061 return rc;
10062 }
10063
Yuval Mintzec4010e2012-09-10 05:51:06 +000010064 return bnx2x_eee_disable(phy, params, vars);
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010065}
10066
10067static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
10068 struct link_params *params,
10069 struct link_vars *vars)
10070{
10071 int rc;
10072 struct bnx2x *bp = params->bp;
10073 u16 cmd_args = 1;
10074
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010075 rc = bnx2x_84833_cmd_hdlr(phy, params,
10076 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
Yuval Mintzd2310232012-06-20 19:05:19 +000010077 if (rc) {
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010078 DP(NETIF_MSG_LINK, "EEE enable failed.\n");
10079 return rc;
10080 }
10081
Yuval Mintzec4010e2012-09-10 05:51:06 +000010082 return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010083}
10084
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010085#define PHY84833_CONSTANT_LATENCY 1193
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010086static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
10087 struct link_params *params,
10088 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010089{
10090 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +000010091 u8 port, initialize = 1;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010092 u16 val;
Yaniv Rosner503976e2012-11-27 03:46:34 +000010093 u32 actual_phy_selection;
Yaniv Rosner521683d2011-11-28 00:49:48 +000010094 u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010095 int rc = 0;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010096
Yaniv Rosner503976e2012-11-27 03:46:34 +000010097 usleep_range(1000, 2000);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010098
Yuval Mintz54813882012-06-16 20:27:15 +000010099 if (!(CHIP_IS_E1x(bp)))
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +000010100 port = BP_PATH(bp);
10101 else
10102 port = params->port;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010103
10104 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10105 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10106 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
10107 port);
10108 } else {
Yaniv Rosner985848f2011-07-05 01:06:48 +000010109 /* MDIO reset */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010110 bnx2x_cl45_write(bp, phy,
10111 MDIO_PMA_DEVAD,
10112 MDIO_PMA_REG_CTRL, 0x8000);
Yaniv Rosner521683d2011-11-28 00:49:48 +000010113 }
10114
10115 bnx2x_wait_reset_complete(bp, phy, params);
10116
10117 /* Wait for GPHY to come out of reset */
10118 msleep(50);
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000010119 if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
10120 (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010121 /* BCM84823 requires that XGXS links up first @ 10G for normal
Yaniv Rosner521683d2011-11-28 00:49:48 +000010122 * behavior.
10123 */
10124 u16 temp;
10125 temp = vars->line_speed;
10126 vars->line_speed = SPEED_10000;
10127 bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
10128 bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
10129 vars->line_speed = temp;
10130 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010131
10132 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010133 MDIO_CTL_REG_84823_MEDIA, &val);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010134 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10135 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
10136 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
10137 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
10138 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010139
10140 if (CHIP_IS_E3(bp)) {
10141 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10142 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
10143 } else {
10144 val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
10145 MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
10146 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010147
10148 actual_phy_selection = bnx2x_phy_selection(params);
10149
10150 switch (actual_phy_selection) {
10151 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
Lucas De Marchi25985ed2011-03-30 22:57:33 -030010152 /* Do nothing. Essentially this is like the priority copper */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010153 break;
10154 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
10155 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
10156 break;
10157 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
10158 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
10159 break;
10160 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
10161 /* Do nothing here. The first PHY won't be initialized at all */
10162 break;
10163 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
10164 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
10165 initialize = 0;
10166 break;
10167 }
10168 if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
10169 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
10170
10171 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010172 MDIO_CTL_REG_84823_MEDIA, val);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010173 DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
10174 params->multi_phy_config, val);
10175
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000010176 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10177 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010178 bnx2x_84833_pair_swap_cfg(phy, params, vars);
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010179
Yaniv Rosner096b9522012-01-17 02:33:28 +000010180 /* Keep AutogrEEEn disabled. */
10181 cmd_args[0] = 0x0;
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010182 cmd_args[1] = 0x0;
10183 cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
10184 cmd_args[3] = PHY84833_CONSTANT_LATENCY;
10185 rc = bnx2x_84833_cmd_hdlr(phy, params,
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010186 PHY84833_CMD_SET_EEE_MODE, cmd_args,
10187 PHY84833_CMDHDLR_MAX_ARGS);
Yuval Mintzd2310232012-06-20 19:05:19 +000010188 if (rc)
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010189 DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
10190 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010191 if (initialize)
10192 rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
10193 else
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010194 bnx2x_save_848xx_spirom_version(phy, bp, params->port);
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010195 /* 84833 PHY has a better feature and doesn't need to support this. */
10196 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
Yaniv Rosner503976e2012-11-27 03:46:34 +000010197 u32 cms_enable = REG_RD(bp, params->shmem_base +
Yaniv Rosner1bef68e2011-01-31 04:22:46 +000010198 offsetof(struct shmem_region,
10199 dev_info.port_hw_config[params->port].default_cfg)) &
10200 PORT_HW_CFG_ENABLE_CMS_MASK;
10201
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010202 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10203 MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
10204 if (cms_enable)
10205 val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
10206 else
10207 val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
10208 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10209 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
10210 }
Yaniv Rosner1bef68e2011-01-31 04:22:46 +000010211
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010212 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10213 MDIO_84833_TOP_CFG_FW_REV, &val);
10214
10215 /* Configure EEE support */
Yuval Mintzf6b6eb62012-09-10 05:51:07 +000010216 if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
10217 (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
10218 bnx2x_eee_has_cap(params)) {
Yuval Mintzec4010e2012-09-10 05:51:06 +000010219 rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
Yuval Mintzd2310232012-06-20 19:05:19 +000010220 if (rc) {
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010221 DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10222 bnx2x_8483x_disable_eee(phy, params, vars);
10223 return rc;
10224 }
10225
Yaniv Rosnerfd5dfca2012-11-27 03:46:36 +000010226 if ((phy->req_duplex == DUPLEX_FULL) &&
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010227 (params->eee_mode & EEE_MODE_ADV_LPI) &&
10228 (bnx2x_eee_calc_timer(params) ||
10229 !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
10230 rc = bnx2x_8483x_enable_eee(phy, params, vars);
10231 else
10232 rc = bnx2x_8483x_disable_eee(phy, params, vars);
Yuval Mintzd2310232012-06-20 19:05:19 +000010233 if (rc) {
Masanari Iidaefc7ce02012-11-02 04:36:17 +000010234 DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010235 return rc;
10236 }
10237 } else {
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010238 vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
10239 }
10240
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000010241 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10242 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010243 /* Bring PHY out of super isolate mode as the final step. */
Yaniv Rosner503976e2012-11-27 03:46:34 +000010244 bnx2x_cl45_read_and_write(bp, phy,
10245 MDIO_CTL_DEVAD,
10246 MDIO_84833_TOP_CFG_XGPHY_STRAP1,
10247 (u16)~MDIO_84833_SUPER_ISOLATE);
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010248 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010249 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010250}
10251
10252static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010253 struct link_params *params,
10254 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010255{
10256 struct bnx2x *bp = params->bp;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010257 u16 val, val1, val2;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010258 u8 link_up = 0;
10259
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000010260
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010261 /* Check 10G-BaseT link status */
10262 /* Check PMD signal ok */
10263 bnx2x_cl45_read(bp, phy,
10264 MDIO_AN_DEVAD, 0xFFFA, &val1);
10265 bnx2x_cl45_read(bp, phy,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010266 MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010267 &val2);
10268 DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
10269
10270 /* Check link 10G */
10271 if (val2 & (1<<11)) {
10272 vars->line_speed = SPEED_10000;
Yaniv Rosner791f18c2011-01-18 04:33:42 +000010273 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010274 link_up = 1;
10275 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
10276 } else { /* Check Legacy speed link */
10277 u16 legacy_status, legacy_speed;
10278
10279 /* Enable expansion register 0x42 (Operation mode status) */
10280 bnx2x_cl45_write(bp, phy,
10281 MDIO_AN_DEVAD,
10282 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
10283
10284 /* Get legacy speed operation status */
10285 bnx2x_cl45_read(bp, phy,
10286 MDIO_AN_DEVAD,
10287 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
10288 &legacy_status);
10289
Joe Perches94f05b02011-08-14 12:16:20 +000010290 DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
10291 legacy_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010292 link_up = ((legacy_status & (1<<11)) == (1<<11));
Yuval Mintz14400902012-06-20 19:05:20 +000010293 legacy_speed = (legacy_status & (3<<9));
10294 if (legacy_speed == (0<<9))
10295 vars->line_speed = SPEED_10;
10296 else if (legacy_speed == (1<<9))
10297 vars->line_speed = SPEED_100;
10298 else if (legacy_speed == (2<<9))
10299 vars->line_speed = SPEED_1000;
10300 else { /* Should not happen: Treat as link down */
10301 vars->line_speed = 0;
10302 link_up = 0;
10303 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010304
Yuval Mintz14400902012-06-20 19:05:20 +000010305 if (link_up) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010306 if (legacy_status & (1<<8))
10307 vars->duplex = DUPLEX_FULL;
10308 else
10309 vars->duplex = DUPLEX_HALF;
10310
Joe Perches94f05b02011-08-14 12:16:20 +000010311 DP(NETIF_MSG_LINK,
10312 "Link is up in %dMbps, is_duplex_full= %d\n",
10313 vars->line_speed,
10314 (vars->duplex == DUPLEX_FULL));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010315 /* Check legacy speed AN resolution */
10316 bnx2x_cl45_read(bp, phy,
10317 MDIO_AN_DEVAD,
10318 MDIO_AN_REG_8481_LEGACY_MII_STATUS,
10319 &val);
10320 if (val & (1<<5))
10321 vars->link_status |=
10322 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10323 bnx2x_cl45_read(bp, phy,
10324 MDIO_AN_DEVAD,
10325 MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
10326 &val);
10327 if ((val & (1<<0)) == 0)
10328 vars->link_status |=
10329 LINK_STATUS_PARALLEL_DETECTION_USED;
10330 }
10331 }
10332 if (link_up) {
Yuval Mintzd2310232012-06-20 19:05:19 +000010333 DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010334 vars->line_speed);
10335 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Mintz Yuval9e7e8392012-02-15 02:10:24 +000010336
10337 /* Read LP advertised speeds */
10338 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10339 MDIO_AN_REG_CL37_FC_LP, &val);
10340 if (val & (1<<5))
10341 vars->link_status |=
10342 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10343 if (val & (1<<6))
10344 vars->link_status |=
10345 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10346 if (val & (1<<7))
10347 vars->link_status |=
10348 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10349 if (val & (1<<8))
10350 vars->link_status |=
10351 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10352 if (val & (1<<9))
10353 vars->link_status |=
10354 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10355
10356 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10357 MDIO_AN_REG_1000T_STATUS, &val);
10358
10359 if (val & (1<<10))
10360 vars->link_status |=
10361 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10362 if (val & (1<<11))
10363 vars->link_status |=
10364 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10365
10366 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10367 MDIO_AN_REG_MASTER_STATUS, &val);
10368
10369 if (val & (1<<11))
10370 vars->link_status |=
10371 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010372
10373 /* Determine if EEE was negotiated */
Yaniv Rosner31b958d2013-03-11 05:17:49 +000010374 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10375 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
Yuval Mintzec4010e2012-09-10 05:51:06 +000010376 bnx2x_eee_an_resolve(phy, params, vars);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010377 }
10378
10379 return link_up;
10380}
10381
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010382static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010383{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010384 int status = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010385 u32 spirom_ver;
10386 spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
10387 status = bnx2x_format_ver(spirom_ver, str, len);
10388 return status;
10389}
10390
10391static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
10392 struct link_params *params)
10393{
10394 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010395 MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010396 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010397 MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010398}
10399
10400static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
10401 struct link_params *params)
10402{
10403 bnx2x_cl45_write(params->bp, phy,
10404 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
10405 bnx2x_cl45_write(params->bp, phy,
10406 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
10407}
10408
10409static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
10410 struct link_params *params)
10411{
10412 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +000010413 u8 port;
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010414 u16 val16;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010415
Yaniv Rosnerf93fb012012-04-04 01:29:02 +000010416 if (!(CHIP_IS_E1x(bp)))
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +000010417 port = BP_PATH(bp);
10418 else
10419 port = params->port;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010420
10421 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10422 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10423 MISC_REGISTERS_GPIO_OUTPUT_LOW,
10424 port);
10425 } else {
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010426 bnx2x_cl45_read(bp, phy,
10427 MDIO_CTL_DEVAD,
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010428 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
10429 val16 |= MDIO_84833_SUPER_ISOLATE;
Yaniv Rosnerfd38f73e2011-08-02 22:59:53 +000010430 bnx2x_cl45_write(bp, phy,
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010431 MDIO_CTL_DEVAD,
10432 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010433 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010434}
10435
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010436static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
10437 struct link_params *params, u8 mode)
10438{
10439 struct bnx2x *bp = params->bp;
10440 u16 val;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010441 u8 port;
10442
Yaniv Rosnerf93fb012012-04-04 01:29:02 +000010443 if (!(CHIP_IS_E1x(bp)))
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010444 port = BP_PATH(bp);
10445 else
10446 port = params->port;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010447
10448 switch (mode) {
10449 case LED_MODE_OFF:
10450
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010451 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010452
10453 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10454 SHARED_HW_CFG_LED_EXTPHY1) {
10455
10456 /* Set LED masks */
10457 bnx2x_cl45_write(bp, phy,
10458 MDIO_PMA_DEVAD,
10459 MDIO_PMA_REG_8481_LED1_MASK,
10460 0x0);
10461
10462 bnx2x_cl45_write(bp, phy,
10463 MDIO_PMA_DEVAD,
10464 MDIO_PMA_REG_8481_LED2_MASK,
10465 0x0);
10466
10467 bnx2x_cl45_write(bp, phy,
10468 MDIO_PMA_DEVAD,
10469 MDIO_PMA_REG_8481_LED3_MASK,
10470 0x0);
10471
10472 bnx2x_cl45_write(bp, phy,
10473 MDIO_PMA_DEVAD,
10474 MDIO_PMA_REG_8481_LED5_MASK,
10475 0x0);
10476
10477 } else {
10478 bnx2x_cl45_write(bp, phy,
10479 MDIO_PMA_DEVAD,
10480 MDIO_PMA_REG_8481_LED1_MASK,
10481 0x0);
10482 }
10483 break;
10484 case LED_MODE_FRONT_PANEL_OFF:
10485
10486 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010487 port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010488
10489 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10490 SHARED_HW_CFG_LED_EXTPHY1) {
10491
10492 /* Set LED masks */
10493 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010494 MDIO_PMA_DEVAD,
10495 MDIO_PMA_REG_8481_LED1_MASK,
10496 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010497
10498 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010499 MDIO_PMA_DEVAD,
10500 MDIO_PMA_REG_8481_LED2_MASK,
10501 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010502
10503 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010504 MDIO_PMA_DEVAD,
10505 MDIO_PMA_REG_8481_LED3_MASK,
10506 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010507
10508 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010509 MDIO_PMA_DEVAD,
10510 MDIO_PMA_REG_8481_LED5_MASK,
10511 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010512
10513 } else {
10514 bnx2x_cl45_write(bp, phy,
10515 MDIO_PMA_DEVAD,
10516 MDIO_PMA_REG_8481_LED1_MASK,
10517 0x0);
Yaniv Rosner8ce76842013-02-27 13:06:44 +000010518 if (phy->type ==
10519 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10520 /* Disable MI_INT interrupt before setting LED4
10521 * source to constant off.
10522 */
10523 if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
10524 params->port*4) &
10525 NIG_MASK_MI_INT) {
10526 params->link_flags |=
10527 LINK_FLAGS_INT_DISABLED;
10528
10529 bnx2x_bits_dis(
10530 bp,
10531 NIG_REG_MASK_INTERRUPT_PORT0 +
10532 params->port*4,
10533 NIG_MASK_MI_INT);
10534 }
10535 bnx2x_cl45_write(bp, phy,
10536 MDIO_PMA_DEVAD,
10537 MDIO_PMA_REG_8481_SIGNAL_MASK,
10538 0x0);
10539 }
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010540 }
10541 break;
10542 case LED_MODE_ON:
10543
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010544 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010545
10546 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10547 SHARED_HW_CFG_LED_EXTPHY1) {
10548 /* Set control reg */
10549 bnx2x_cl45_read(bp, phy,
10550 MDIO_PMA_DEVAD,
10551 MDIO_PMA_REG_8481_LINK_SIGNAL,
10552 &val);
10553 val &= 0x8000;
10554 val |= 0x2492;
10555
10556 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010557 MDIO_PMA_DEVAD,
10558 MDIO_PMA_REG_8481_LINK_SIGNAL,
10559 val);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010560
10561 /* Set LED masks */
10562 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010563 MDIO_PMA_DEVAD,
10564 MDIO_PMA_REG_8481_LED1_MASK,
10565 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010566
10567 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010568 MDIO_PMA_DEVAD,
10569 MDIO_PMA_REG_8481_LED2_MASK,
10570 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010571
10572 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010573 MDIO_PMA_DEVAD,
10574 MDIO_PMA_REG_8481_LED3_MASK,
10575 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010576
10577 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010578 MDIO_PMA_DEVAD,
10579 MDIO_PMA_REG_8481_LED5_MASK,
10580 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010581 } else {
10582 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010583 MDIO_PMA_DEVAD,
10584 MDIO_PMA_REG_8481_LED1_MASK,
10585 0x20);
Yaniv Rosner8ce76842013-02-27 13:06:44 +000010586 if (phy->type ==
10587 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10588 /* Disable MI_INT interrupt before setting LED4
10589 * source to constant on.
10590 */
10591 if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
10592 params->port*4) &
10593 NIG_MASK_MI_INT) {
10594 params->link_flags |=
10595 LINK_FLAGS_INT_DISABLED;
10596
10597 bnx2x_bits_dis(
10598 bp,
10599 NIG_REG_MASK_INTERRUPT_PORT0 +
10600 params->port*4,
10601 NIG_MASK_MI_INT);
10602 }
10603 bnx2x_cl45_write(bp, phy,
10604 MDIO_PMA_DEVAD,
10605 MDIO_PMA_REG_8481_SIGNAL_MASK,
10606 0x20);
10607 }
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010608 }
10609 break;
10610
10611 case LED_MODE_OPER:
10612
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010613 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010614
10615 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10616 SHARED_HW_CFG_LED_EXTPHY1) {
10617
10618 /* Set control reg */
10619 bnx2x_cl45_read(bp, phy,
10620 MDIO_PMA_DEVAD,
10621 MDIO_PMA_REG_8481_LINK_SIGNAL,
10622 &val);
10623
10624 if (!((val &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010625 MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
10626 >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000010627 DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010628 bnx2x_cl45_write(bp, phy,
10629 MDIO_PMA_DEVAD,
10630 MDIO_PMA_REG_8481_LINK_SIGNAL,
10631 0xa492);
10632 }
10633
10634 /* Set LED masks */
10635 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010636 MDIO_PMA_DEVAD,
10637 MDIO_PMA_REG_8481_LED1_MASK,
10638 0x10);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010639
10640 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010641 MDIO_PMA_DEVAD,
10642 MDIO_PMA_REG_8481_LED2_MASK,
10643 0x80);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010644
10645 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010646 MDIO_PMA_DEVAD,
10647 MDIO_PMA_REG_8481_LED3_MASK,
10648 0x98);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010649
10650 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010651 MDIO_PMA_DEVAD,
10652 MDIO_PMA_REG_8481_LED5_MASK,
10653 0x40);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010654
10655 } else {
10656 bnx2x_cl45_write(bp, phy,
10657 MDIO_PMA_DEVAD,
10658 MDIO_PMA_REG_8481_LED1_MASK,
10659 0x80);
Yaniv Rosner53eda062011-01-30 04:14:55 +000010660
10661 /* Tell LED3 to blink on source */
10662 bnx2x_cl45_read(bp, phy,
10663 MDIO_PMA_DEVAD,
10664 MDIO_PMA_REG_8481_LINK_SIGNAL,
10665 &val);
10666 val &= ~(7<<6);
10667 val |= (1<<6); /* A83B[8:6]= 1 */
10668 bnx2x_cl45_write(bp, phy,
10669 MDIO_PMA_DEVAD,
10670 MDIO_PMA_REG_8481_LINK_SIGNAL,
10671 val);
Yaniv Rosner8ce76842013-02-27 13:06:44 +000010672 if (phy->type ==
10673 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10674 /* Restore LED4 source to external link,
10675 * and re-enable interrupts.
10676 */
10677 bnx2x_cl45_write(bp, phy,
10678 MDIO_PMA_DEVAD,
10679 MDIO_PMA_REG_8481_SIGNAL_MASK,
10680 0x40);
10681 if (params->link_flags &
10682 LINK_FLAGS_INT_DISABLED) {
10683 bnx2x_link_int_enable(params);
10684 params->link_flags &=
10685 ~LINK_FLAGS_INT_DISABLED;
10686 }
10687 }
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010688 }
10689 break;
10690 }
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010691
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010692 /* This is a workaround for E3+84833 until autoneg
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010693 * restart is fixed in f/w
10694 */
10695 if (CHIP_IS_E3(bp)) {
10696 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
10697 MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
10698 }
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010699}
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010700
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010701/******************************************************************/
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010702/* 54618SE PHY SECTION */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010703/******************************************************************/
Yaniv Rosner5c107fd2012-09-13 02:56:19 +000010704static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
10705 struct link_params *params,
10706 u32 action)
10707{
10708 struct bnx2x *bp = params->bp;
10709 u16 temp;
10710 switch (action) {
10711 case PHY_INIT:
10712 /* Configure LED4: set to INTR (0x6). */
10713 /* Accessing shadow register 0xe. */
10714 bnx2x_cl22_write(bp, phy,
10715 MDIO_REG_GPHY_SHADOW,
10716 MDIO_REG_GPHY_SHADOW_LED_SEL2);
10717 bnx2x_cl22_read(bp, phy,
10718 MDIO_REG_GPHY_SHADOW,
10719 &temp);
10720 temp &= ~(0xf << 4);
10721 temp |= (0x6 << 4);
10722 bnx2x_cl22_write(bp, phy,
10723 MDIO_REG_GPHY_SHADOW,
10724 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10725 /* Configure INTR based on link status change. */
10726 bnx2x_cl22_write(bp, phy,
10727 MDIO_REG_INTR_MASK,
10728 ~MDIO_REG_INTR_MASK_LINK_STATUS);
10729 break;
10730 }
10731}
10732
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010733static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
Yaniv Rosner6583e332011-06-14 01:34:17 +000010734 struct link_params *params,
10735 struct link_vars *vars)
10736{
10737 struct bnx2x *bp = params->bp;
10738 u8 port;
10739 u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
10740 u32 cfg_pin;
10741
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010742 DP(NETIF_MSG_LINK, "54618SE cfg init\n");
Yuval Mintzd2310232012-06-20 19:05:19 +000010743 usleep_range(1000, 2000);
Yaniv Rosner6583e332011-06-14 01:34:17 +000010744
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010745 /* This works with E3 only, no need to check the chip
Yaniv Rosner2f751a82011-11-28 00:49:52 +000010746 * before determining the port.
10747 */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010748 port = params->port;
10749
10750 cfg_pin = (REG_RD(bp, params->shmem_base +
10751 offsetof(struct shmem_region,
10752 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10753 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10754 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10755
10756 /* Drive pin high to bring the GPHY out of reset. */
10757 bnx2x_set_cfg_pin(bp, cfg_pin, 1);
10758
10759 /* wait for GPHY to reset */
10760 msleep(50);
10761
10762 /* reset phy */
10763 bnx2x_cl22_write(bp, phy,
10764 MDIO_PMA_REG_CTRL, 0x8000);
10765 bnx2x_wait_reset_complete(bp, phy, params);
10766
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010767 /* Wait for GPHY to reset */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010768 msleep(50);
10769
Yaniv Rosner6583e332011-06-14 01:34:17 +000010770
Yaniv Rosner5c107fd2012-09-13 02:56:19 +000010771 bnx2x_54618se_specific_func(phy, params, PHY_INIT);
Yaniv Rosner6583e332011-06-14 01:34:17 +000010772 /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
10773 bnx2x_cl22_write(bp, phy,
10774 MDIO_REG_GPHY_SHADOW,
10775 MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
10776 bnx2x_cl22_read(bp, phy,
10777 MDIO_REG_GPHY_SHADOW,
10778 &temp);
10779 temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
10780 bnx2x_cl22_write(bp, phy,
10781 MDIO_REG_GPHY_SHADOW,
10782 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10783
10784 /* Set up fc */
10785 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
10786 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
10787 fc_val = 0;
10788 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
10789 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
10790 fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
10791
10792 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
10793 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
10794 fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
10795
Yuval Mintzd2310232012-06-20 19:05:19 +000010796 /* Read all advertisement */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010797 bnx2x_cl22_read(bp, phy,
10798 0x09,
10799 &an_1000_val);
10800
10801 bnx2x_cl22_read(bp, phy,
10802 0x04,
10803 &an_10_100_val);
10804
10805 bnx2x_cl22_read(bp, phy,
10806 MDIO_PMA_REG_CTRL,
10807 &autoneg_val);
10808
10809 /* Disable forced speed */
10810 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
10811 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
10812 (1<<11));
10813
10814 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10815 (phy->speed_cap_mask &
10816 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
10817 (phy->req_line_speed == SPEED_1000)) {
10818 an_1000_val |= (1<<8);
10819 autoneg_val |= (1<<9 | 1<<12);
10820 if (phy->req_duplex == DUPLEX_FULL)
10821 an_1000_val |= (1<<9);
10822 DP(NETIF_MSG_LINK, "Advertising 1G\n");
10823 } else
10824 an_1000_val &= ~((1<<8) | (1<<9));
10825
10826 bnx2x_cl22_write(bp, phy,
10827 0x09,
10828 an_1000_val);
10829 bnx2x_cl22_read(bp, phy,
10830 0x09,
10831 &an_1000_val);
10832
Yuval Mintzd2310232012-06-20 19:05:19 +000010833 /* Set 100 speed advertisement */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010834 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10835 (phy->speed_cap_mask &
10836 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
10837 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
10838 an_10_100_val |= (1<<7);
10839 /* Enable autoneg and restart autoneg for legacy speeds */
10840 autoneg_val |= (1<<9 | 1<<12);
10841
10842 if (phy->req_duplex == DUPLEX_FULL)
10843 an_10_100_val |= (1<<8);
10844 DP(NETIF_MSG_LINK, "Advertising 100M\n");
10845 }
10846
Yuval Mintzd2310232012-06-20 19:05:19 +000010847 /* Set 10 speed advertisement */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010848 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10849 (phy->speed_cap_mask &
10850 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
10851 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
10852 an_10_100_val |= (1<<5);
10853 autoneg_val |= (1<<9 | 1<<12);
10854 if (phy->req_duplex == DUPLEX_FULL)
10855 an_10_100_val |= (1<<6);
10856 DP(NETIF_MSG_LINK, "Advertising 10M\n");
10857 }
10858
10859 /* Only 10/100 are allowed to work in FORCE mode */
10860 if (phy->req_line_speed == SPEED_100) {
10861 autoneg_val |= (1<<13);
10862 /* Enabled AUTO-MDIX when autoneg is disabled */
10863 bnx2x_cl22_write(bp, phy,
10864 0x18,
10865 (1<<15 | 1<<9 | 7<<0));
10866 DP(NETIF_MSG_LINK, "Setting 100M force\n");
10867 }
10868 if (phy->req_line_speed == SPEED_10) {
10869 /* Enabled AUTO-MDIX when autoneg is disabled */
10870 bnx2x_cl22_write(bp, phy,
10871 0x18,
10872 (1<<15 | 1<<9 | 7<<0));
10873 DP(NETIF_MSG_LINK, "Setting 10M force\n");
10874 }
10875
Yuval Mintz26964bb2012-09-10 05:51:08 +000010876 if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
10877 int rc;
10878
10879 bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
10880 MDIO_REG_GPHY_EXP_ACCESS_TOP |
10881 MDIO_REG_GPHY_EXP_TOP_2K_BUF);
10882 bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
10883 temp &= 0xfffe;
10884 bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
10885
10886 rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
10887 if (rc) {
10888 DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10889 bnx2x_eee_disable(phy, params, vars);
10890 } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
10891 (phy->req_duplex == DUPLEX_FULL) &&
10892 (bnx2x_eee_calc_timer(params) ||
10893 !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
10894 /* Need to advertise EEE only when requested,
10895 * and either no LPI assertion was requested,
10896 * or it was requested and a valid timer was set.
10897 * Also notice full duplex is required for EEE.
10898 */
10899 bnx2x_eee_advertise(phy, params, vars,
10900 SHMEM_EEE_1G_ADV);
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010901 } else {
Yuval Mintz26964bb2012-09-10 05:51:08 +000010902 DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
10903 bnx2x_eee_disable(phy, params, vars);
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010904 }
Yuval Mintz26964bb2012-09-10 05:51:08 +000010905 } else {
10906 vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
10907 SHMEM_EEE_SUPPORTED_SHIFT;
10908
10909 if (phy->flags & FLAGS_EEE) {
10910 /* Handle legacy auto-grEEEn */
10911 if (params->feature_config_flags &
10912 FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
10913 temp = 6;
10914 DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
10915 } else {
10916 temp = 0;
10917 DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
10918 }
10919 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10920 MDIO_AN_REG_EEE_ADV, temp);
10921 }
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010922 }
10923
Yaniv Rosner6583e332011-06-14 01:34:17 +000010924 bnx2x_cl22_write(bp, phy,
10925 0x04,
10926 an_10_100_val | fc_val);
10927
10928 if (phy->req_duplex == DUPLEX_FULL)
10929 autoneg_val |= (1<<8);
10930
10931 bnx2x_cl22_write(bp, phy,
10932 MDIO_PMA_REG_CTRL, autoneg_val);
10933
10934 return 0;
10935}
10936
Yaniv Rosner1d125bd2011-11-23 03:54:08 +000010937
10938static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
10939 struct link_params *params, u8 mode)
10940{
10941 struct bnx2x *bp = params->bp;
10942 u16 temp;
10943
10944 bnx2x_cl22_write(bp, phy,
10945 MDIO_REG_GPHY_SHADOW,
10946 MDIO_REG_GPHY_SHADOW_LED_SEL1);
10947 bnx2x_cl22_read(bp, phy,
10948 MDIO_REG_GPHY_SHADOW,
10949 &temp);
10950 temp &= 0xff00;
10951
10952 DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
10953 switch (mode) {
10954 case LED_MODE_FRONT_PANEL_OFF:
10955 case LED_MODE_OFF:
10956 temp |= 0x00ee;
10957 break;
10958 case LED_MODE_OPER:
10959 temp |= 0x0001;
10960 break;
10961 case LED_MODE_ON:
10962 temp |= 0x00ff;
10963 break;
10964 default:
10965 break;
10966 }
10967 bnx2x_cl22_write(bp, phy,
10968 MDIO_REG_GPHY_SHADOW,
10969 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10970 return;
10971}
10972
10973
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010974static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
10975 struct link_params *params)
Yaniv Rosner6583e332011-06-14 01:34:17 +000010976{
10977 struct bnx2x *bp = params->bp;
10978 u32 cfg_pin;
10979 u8 port;
10980
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010981 /* In case of no EPIO routed to reset the GPHY, put it
Yaniv Rosnerd2059a02011-08-02 23:00:00 +000010982 * in low power mode.
10983 */
10984 bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010985 /* This works with E3 only, no need to check the chip
Yaniv Rosnerd2059a02011-08-02 23:00:00 +000010986 * before determining the port.
10987 */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010988 port = params->port;
10989 cfg_pin = (REG_RD(bp, params->shmem_base +
10990 offsetof(struct shmem_region,
10991 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10992 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10993 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10994
10995 /* Drive pin low to put GPHY in reset. */
10996 bnx2x_set_cfg_pin(bp, cfg_pin, 0);
10997}
10998
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010999static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
11000 struct link_params *params,
11001 struct link_vars *vars)
Yaniv Rosner6583e332011-06-14 01:34:17 +000011002{
11003 struct bnx2x *bp = params->bp;
11004 u16 val;
11005 u8 link_up = 0;
11006 u16 legacy_status, legacy_speed;
11007
11008 /* Get speed operation status */
11009 bnx2x_cl22_read(bp, phy,
Yuval Mintza351d492012-06-20 19:05:21 +000011010 MDIO_REG_GPHY_AUX_STATUS,
Yaniv Rosner6583e332011-06-14 01:34:17 +000011011 &legacy_status);
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000011012 DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
Yaniv Rosner6583e332011-06-14 01:34:17 +000011013
11014 /* Read status to clear the PHY interrupt. */
11015 bnx2x_cl22_read(bp, phy,
11016 MDIO_REG_INTR_STATUS,
11017 &val);
11018
11019 link_up = ((legacy_status & (1<<2)) == (1<<2));
11020
11021 if (link_up) {
11022 legacy_speed = (legacy_status & (7<<8));
11023 if (legacy_speed == (7<<8)) {
11024 vars->line_speed = SPEED_1000;
11025 vars->duplex = DUPLEX_FULL;
11026 } else if (legacy_speed == (6<<8)) {
11027 vars->line_speed = SPEED_1000;
11028 vars->duplex = DUPLEX_HALF;
11029 } else if (legacy_speed == (5<<8)) {
11030 vars->line_speed = SPEED_100;
11031 vars->duplex = DUPLEX_FULL;
11032 }
11033 /* Omitting 100Base-T4 for now */
11034 else if (legacy_speed == (3<<8)) {
11035 vars->line_speed = SPEED_100;
11036 vars->duplex = DUPLEX_HALF;
11037 } else if (legacy_speed == (2<<8)) {
11038 vars->line_speed = SPEED_10;
11039 vars->duplex = DUPLEX_FULL;
11040 } else if (legacy_speed == (1<<8)) {
11041 vars->line_speed = SPEED_10;
11042 vars->duplex = DUPLEX_HALF;
11043 } else /* Should not happen */
11044 vars->line_speed = 0;
11045
Joe Perches94f05b02011-08-14 12:16:20 +000011046 DP(NETIF_MSG_LINK,
11047 "Link is up in %dMbps, is_duplex_full= %d\n",
11048 vars->line_speed,
11049 (vars->duplex == DUPLEX_FULL));
Yaniv Rosner6583e332011-06-14 01:34:17 +000011050
11051 /* Check legacy speed AN resolution */
11052 bnx2x_cl22_read(bp, phy,
11053 0x01,
11054 &val);
11055 if (val & (1<<5))
11056 vars->link_status |=
11057 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
11058 bnx2x_cl22_read(bp, phy,
11059 0x06,
11060 &val);
11061 if ((val & (1<<0)) == 0)
11062 vars->link_status |=
11063 LINK_STATUS_PARALLEL_DETECTION_USED;
11064
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000011065 DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
Yaniv Rosner6583e332011-06-14 01:34:17 +000011066 vars->line_speed);
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000011067
Yaniv Rosner6583e332011-06-14 01:34:17 +000011068 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Mintz Yuval9e7e8392012-02-15 02:10:24 +000011069
11070 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011071 /* Report LP advertised speeds */
Mintz Yuval9e7e8392012-02-15 02:10:24 +000011072 bnx2x_cl22_read(bp, phy, 0x5, &val);
11073
11074 if (val & (1<<5))
11075 vars->link_status |=
11076 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
11077 if (val & (1<<6))
11078 vars->link_status |=
11079 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
11080 if (val & (1<<7))
11081 vars->link_status |=
11082 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
11083 if (val & (1<<8))
11084 vars->link_status |=
11085 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
11086 if (val & (1<<9))
11087 vars->link_status |=
11088 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
11089
11090 bnx2x_cl22_read(bp, phy, 0xa, &val);
11091 if (val & (1<<10))
11092 vars->link_status |=
11093 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
11094 if (val & (1<<11))
11095 vars->link_status |=
11096 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
Yuval Mintz26964bb2012-09-10 05:51:08 +000011097
11098 if ((phy->flags & FLAGS_EEE) &&
11099 bnx2x_eee_has_cap(params))
11100 bnx2x_eee_an_resolve(phy, params, vars);
Mintz Yuval9e7e8392012-02-15 02:10:24 +000011101 }
Yaniv Rosner6583e332011-06-14 01:34:17 +000011102 }
11103 return link_up;
11104}
11105
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000011106static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
11107 struct link_params *params)
Yaniv Rosner6583e332011-06-14 01:34:17 +000011108{
11109 struct bnx2x *bp = params->bp;
11110 u16 val;
11111 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
11112
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000011113 DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
Yaniv Rosner6583e332011-06-14 01:34:17 +000011114
11115 /* Enable master/slave manual mmode and set to master */
11116 /* mii write 9 [bits set 11 12] */
11117 bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
11118
11119 /* forced 1G and disable autoneg */
11120 /* set val [mii read 0] */
11121 /* set val [expr $val & [bits clear 6 12 13]] */
11122 /* set val [expr $val | [bits set 6 8]] */
11123 /* mii write 0 $val */
11124 bnx2x_cl22_read(bp, phy, 0x00, &val);
11125 val &= ~((1<<6) | (1<<12) | (1<<13));
11126 val |= (1<<6) | (1<<8);
11127 bnx2x_cl22_write(bp, phy, 0x00, val);
11128
11129 /* Set external loopback and Tx using 6dB coding */
11130 /* mii write 0x18 7 */
11131 /* set val [mii read 0x18] */
11132 /* mii write 0x18 [expr $val | [bits set 10 15]] */
11133 bnx2x_cl22_write(bp, phy, 0x18, 7);
11134 bnx2x_cl22_read(bp, phy, 0x18, &val);
11135 bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
11136
11137 /* This register opens the gate for the UMAC despite its name */
11138 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
11139
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011140 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
Yaniv Rosner6583e332011-06-14 01:34:17 +000011141 * length used by the MAC receive logic to check frames.
11142 */
11143 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
11144}
11145
11146/******************************************************************/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011147/* SFX7101 PHY SECTION */
11148/******************************************************************/
11149static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
11150 struct link_params *params)
11151{
11152 struct bnx2x *bp = params->bp;
11153 /* SFX7101_XGXS_TEST1 */
11154 bnx2x_cl45_write(bp, phy,
11155 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
11156}
11157
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011158static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
11159 struct link_params *params,
11160 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011161{
11162 u16 fw_ver1, fw_ver2, val;
11163 struct bnx2x *bp = params->bp;
11164 DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
11165
11166 /* Restore normal power mode*/
11167 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011168 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011169 /* HW reset */
11170 bnx2x_ext_phy_hw_reset(bp, params->port);
Yaniv Rosner6d870c32011-01-31 04:22:20 +000011171 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011172
11173 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +000011174 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011175 DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
11176 bnx2x_cl45_write(bp, phy,
11177 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
11178
11179 bnx2x_ext_phy_set_pause(params, phy, vars);
11180 /* Restart autoneg */
11181 bnx2x_cl45_read(bp, phy,
11182 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
11183 val |= 0x200;
11184 bnx2x_cl45_write(bp, phy,
11185 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
11186
11187 /* Save spirom version */
11188 bnx2x_cl45_read(bp, phy,
11189 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
11190
11191 bnx2x_cl45_read(bp, phy,
11192 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
11193 bnx2x_save_spirom_version(bp, params->port,
11194 (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
11195 return 0;
11196}
11197
11198static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
11199 struct link_params *params,
11200 struct link_vars *vars)
11201{
11202 struct bnx2x *bp = params->bp;
11203 u8 link_up;
11204 u16 val1, val2;
11205 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +000011206 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011207 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +000011208 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011209 DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
11210 val2, val1);
11211 bnx2x_cl45_read(bp, phy,
11212 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
11213 bnx2x_cl45_read(bp, phy,
11214 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
11215 DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
11216 val2, val1);
11217 link_up = ((val1 & 4) == 4);
Yuval Mintzd2310232012-06-20 19:05:19 +000011218 /* If link is up print the AN outcome of the SFX7101 PHY */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011219 if (link_up) {
11220 bnx2x_cl45_read(bp, phy,
11221 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
11222 &val2);
11223 vars->line_speed = SPEED_10000;
Yaniv Rosner791f18c2011-01-18 04:33:42 +000011224 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011225 DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
11226 val2, (val2 & (1<<14)));
11227 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
11228 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Mintz Yuval9e7e8392012-02-15 02:10:24 +000011229
Yuval Mintzd2310232012-06-20 19:05:19 +000011230 /* Read LP advertised speeds */
Mintz Yuval9e7e8392012-02-15 02:10:24 +000011231 if (val2 & (1<<11))
11232 vars->link_status |=
11233 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011234 }
11235 return link_up;
11236}
11237
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011238static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011239{
11240 if (*len < 5)
11241 return -EINVAL;
11242 str[0] = (spirom_ver & 0xFF);
11243 str[1] = (spirom_ver & 0xFF00) >> 8;
11244 str[2] = (spirom_ver & 0xFF0000) >> 16;
11245 str[3] = (spirom_ver & 0xFF000000) >> 24;
11246 str[4] = '\0';
11247 *len -= 5;
11248 return 0;
11249}
11250
11251void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
11252{
11253 u16 val, cnt;
11254
11255 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011256 MDIO_PMA_DEVAD,
11257 MDIO_PMA_REG_7101_RESET, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011258
11259 for (cnt = 0; cnt < 10; cnt++) {
11260 msleep(50);
11261 /* Writes a self-clearing reset */
11262 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011263 MDIO_PMA_DEVAD,
11264 MDIO_PMA_REG_7101_RESET,
11265 (val | (1<<15)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011266 /* Wait for clear */
11267 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011268 MDIO_PMA_DEVAD,
11269 MDIO_PMA_REG_7101_RESET, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011270
11271 if ((val & (1<<15)) == 0)
11272 break;
11273 }
11274}
11275
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011276static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
11277 struct link_params *params) {
11278 /* Low power mode is controlled by GPIO 2 */
11279 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011280 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011281 /* The PHY reset is controlled by GPIO 1 */
11282 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011283 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011284}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011285
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011286static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
11287 struct link_params *params, u8 mode)
11288{
11289 u16 val = 0;
11290 struct bnx2x *bp = params->bp;
11291 switch (mode) {
11292 case LED_MODE_FRONT_PANEL_OFF:
11293 case LED_MODE_OFF:
11294 val = 2;
11295 break;
11296 case LED_MODE_ON:
11297 val = 1;
11298 break;
11299 case LED_MODE_OPER:
11300 val = 0;
11301 break;
11302 }
11303 bnx2x_cl45_write(bp, phy,
11304 MDIO_PMA_DEVAD,
11305 MDIO_PMA_REG_7107_LINK_LED_CNTL,
11306 val);
11307}
11308
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011309/******************************************************************/
11310/* STATIC PHY DECLARATION */
11311/******************************************************************/
11312
Yaniv Rosner503976e2012-11-27 03:46:34 +000011313static const struct bnx2x_phy phy_null = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011314 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
11315 .addr = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011316 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011317 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011318 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11319 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11320 .mdio_ctrl = 0,
11321 .supported = 0,
11322 .media_type = ETH_PHY_NOT_PRESENT,
11323 .ver_addr = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011324 .req_flow_ctrl = 0,
11325 .req_line_speed = 0,
11326 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011327 .req_duplex = 0,
11328 .rsrv = 0,
11329 .config_init = (config_init_t)NULL,
11330 .read_status = (read_status_t)NULL,
11331 .link_reset = (link_reset_t)NULL,
11332 .config_loopback = (config_loopback_t)NULL,
11333 .format_fw_ver = (format_fw_ver_t)NULL,
11334 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011335 .set_link_led = (set_link_led_t)NULL,
11336 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011337};
11338
Yaniv Rosner503976e2012-11-27 03:46:34 +000011339static const struct bnx2x_phy phy_serdes = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011340 .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
11341 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011342 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011343 .flags = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011344 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11345 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11346 .mdio_ctrl = 0,
11347 .supported = (SUPPORTED_10baseT_Half |
11348 SUPPORTED_10baseT_Full |
11349 SUPPORTED_100baseT_Half |
11350 SUPPORTED_100baseT_Full |
11351 SUPPORTED_1000baseT_Full |
11352 SUPPORTED_2500baseX_Full |
11353 SUPPORTED_TP |
11354 SUPPORTED_Autoneg |
11355 SUPPORTED_Pause |
11356 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011357 .media_type = ETH_PHY_BASE_T,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011358 .ver_addr = 0,
11359 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011360 .req_line_speed = 0,
11361 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011362 .req_duplex = 0,
11363 .rsrv = 0,
Yaniv Rosnerec146a62011-05-31 21:29:27 +000011364 .config_init = (config_init_t)bnx2x_xgxs_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011365 .read_status = (read_status_t)bnx2x_link_settings_status,
11366 .link_reset = (link_reset_t)bnx2x_int_link_reset,
11367 .config_loopback = (config_loopback_t)NULL,
11368 .format_fw_ver = (format_fw_ver_t)NULL,
11369 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011370 .set_link_led = (set_link_led_t)NULL,
11371 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011372};
11373
Yaniv Rosner503976e2012-11-27 03:46:34 +000011374static const struct bnx2x_phy phy_xgxs = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011375 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11376 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011377 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011378 .flags = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011379 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11380 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11381 .mdio_ctrl = 0,
11382 .supported = (SUPPORTED_10baseT_Half |
11383 SUPPORTED_10baseT_Full |
11384 SUPPORTED_100baseT_Half |
11385 SUPPORTED_100baseT_Full |
11386 SUPPORTED_1000baseT_Full |
11387 SUPPORTED_2500baseX_Full |
11388 SUPPORTED_10000baseT_Full |
11389 SUPPORTED_FIBRE |
11390 SUPPORTED_Autoneg |
11391 SUPPORTED_Pause |
11392 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011393 .media_type = ETH_PHY_CX4,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011394 .ver_addr = 0,
11395 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011396 .req_line_speed = 0,
11397 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011398 .req_duplex = 0,
11399 .rsrv = 0,
Yaniv Rosnerec146a62011-05-31 21:29:27 +000011400 .config_init = (config_init_t)bnx2x_xgxs_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011401 .read_status = (read_status_t)bnx2x_link_settings_status,
11402 .link_reset = (link_reset_t)bnx2x_int_link_reset,
11403 .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
11404 .format_fw_ver = (format_fw_ver_t)NULL,
11405 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011406 .set_link_led = (set_link_led_t)NULL,
Yaniv Rosnera75bb002012-10-31 05:46:53 +000011407 .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011408};
Yaniv Rosner503976e2012-11-27 03:46:34 +000011409static const struct bnx2x_phy phy_warpcore = {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011410 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11411 .addr = 0xff,
11412 .def_md_devad = 0,
Yaniv Rosner8203c4b2012-11-27 03:46:33 +000011413 .flags = FLAGS_TX_ERROR_CHECK,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011414 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11415 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11416 .mdio_ctrl = 0,
11417 .supported = (SUPPORTED_10baseT_Half |
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011418 SUPPORTED_10baseT_Full |
11419 SUPPORTED_100baseT_Half |
11420 SUPPORTED_100baseT_Full |
11421 SUPPORTED_1000baseT_Full |
11422 SUPPORTED_10000baseT_Full |
11423 SUPPORTED_20000baseKR2_Full |
11424 SUPPORTED_20000baseMLD2_Full |
11425 SUPPORTED_FIBRE |
11426 SUPPORTED_Autoneg |
11427 SUPPORTED_Pause |
11428 SUPPORTED_Asym_Pause),
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011429 .media_type = ETH_PHY_UNSPECIFIED,
11430 .ver_addr = 0,
11431 .req_flow_ctrl = 0,
11432 .req_line_speed = 0,
11433 .speed_cap_mask = 0,
11434 /* req_duplex = */0,
11435 /* rsrv = */0,
11436 .config_init = (config_init_t)bnx2x_warpcore_config_init,
11437 .read_status = (read_status_t)bnx2x_warpcore_read_status,
11438 .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
11439 .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
11440 .format_fw_ver = (format_fw_ver_t)NULL,
Yaniv Rosner985848f2011-07-05 01:06:48 +000011441 .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011442 .set_link_led = (set_link_led_t)NULL,
11443 .phy_specific_func = (phy_specific_func_t)NULL
11444};
11445
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011446
Yaniv Rosner503976e2012-11-27 03:46:34 +000011447static const struct bnx2x_phy phy_7101 = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011448 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
11449 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011450 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011451 .flags = FLAGS_FAN_FAILURE_DET_REQ,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011452 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11453 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11454 .mdio_ctrl = 0,
11455 .supported = (SUPPORTED_10000baseT_Full |
11456 SUPPORTED_TP |
11457 SUPPORTED_Autoneg |
11458 SUPPORTED_Pause |
11459 SUPPORTED_Asym_Pause),
11460 .media_type = ETH_PHY_BASE_T,
11461 .ver_addr = 0,
11462 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011463 .req_line_speed = 0,
11464 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011465 .req_duplex = 0,
11466 .rsrv = 0,
11467 .config_init = (config_init_t)bnx2x_7101_config_init,
11468 .read_status = (read_status_t)bnx2x_7101_read_status,
11469 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11470 .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
11471 .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
11472 .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011473 .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011474 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011475};
Yaniv Rosner503976e2012-11-27 03:46:34 +000011476static const struct bnx2x_phy phy_8073 = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011477 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
11478 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011479 .def_md_devad = 0,
Yaniv Rosner8203c4b2012-11-27 03:46:33 +000011480 .flags = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011481 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11482 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11483 .mdio_ctrl = 0,
11484 .supported = (SUPPORTED_10000baseT_Full |
11485 SUPPORTED_2500baseX_Full |
11486 SUPPORTED_1000baseT_Full |
11487 SUPPORTED_FIBRE |
11488 SUPPORTED_Autoneg |
11489 SUPPORTED_Pause |
11490 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011491 .media_type = ETH_PHY_KR,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011492 .ver_addr = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011493 .req_flow_ctrl = 0,
11494 .req_line_speed = 0,
11495 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011496 .req_duplex = 0,
11497 .rsrv = 0,
Yaniv Rosner62b29a52010-09-07 11:40:58 +000011498 .config_init = (config_init_t)bnx2x_8073_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011499 .read_status = (read_status_t)bnx2x_8073_read_status,
11500 .link_reset = (link_reset_t)bnx2x_8073_link_reset,
11501 .config_loopback = (config_loopback_t)NULL,
11502 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11503 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011504 .set_link_led = (set_link_led_t)NULL,
Yaniv Rosner5c107fd2012-09-13 02:56:19 +000011505 .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011506};
Yaniv Rosner503976e2012-11-27 03:46:34 +000011507static const struct bnx2x_phy phy_8705 = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011508 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
11509 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011510 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011511 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011512 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11513 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11514 .mdio_ctrl = 0,
11515 .supported = (SUPPORTED_10000baseT_Full |
11516 SUPPORTED_FIBRE |
11517 SUPPORTED_Pause |
11518 SUPPORTED_Asym_Pause),
11519 .media_type = ETH_PHY_XFP_FIBER,
11520 .ver_addr = 0,
11521 .req_flow_ctrl = 0,
11522 .req_line_speed = 0,
11523 .speed_cap_mask = 0,
11524 .req_duplex = 0,
11525 .rsrv = 0,
11526 .config_init = (config_init_t)bnx2x_8705_config_init,
11527 .read_status = (read_status_t)bnx2x_8705_read_status,
11528 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11529 .config_loopback = (config_loopback_t)NULL,
11530 .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
11531 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011532 .set_link_led = (set_link_led_t)NULL,
11533 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011534};
Yaniv Rosner503976e2012-11-27 03:46:34 +000011535static const struct bnx2x_phy phy_8706 = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011536 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
11537 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011538 .def_md_devad = 0,
David S. Miller8decf862011-09-22 03:23:13 -040011539 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011540 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11541 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11542 .mdio_ctrl = 0,
11543 .supported = (SUPPORTED_10000baseT_Full |
11544 SUPPORTED_1000baseT_Full |
11545 SUPPORTED_FIBRE |
11546 SUPPORTED_Pause |
11547 SUPPORTED_Asym_Pause),
Yuval Mintzdbef8072012-06-20 19:05:22 +000011548 .media_type = ETH_PHY_SFPP_10G_FIBER,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011549 .ver_addr = 0,
11550 .req_flow_ctrl = 0,
11551 .req_line_speed = 0,
11552 .speed_cap_mask = 0,
11553 .req_duplex = 0,
11554 .rsrv = 0,
11555 .config_init = (config_init_t)bnx2x_8706_config_init,
11556 .read_status = (read_status_t)bnx2x_8706_read_status,
11557 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11558 .config_loopback = (config_loopback_t)NULL,
11559 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11560 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011561 .set_link_led = (set_link_led_t)NULL,
11562 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011563};
11564
Yaniv Rosner503976e2012-11-27 03:46:34 +000011565static const struct bnx2x_phy phy_8726 = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011566 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
11567 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011568 .def_md_devad = 0,
Yaniv Rosner8203c4b2012-11-27 03:46:33 +000011569 .flags = (FLAGS_INIT_XGXS_FIRST |
Yaniv Rosner55098c52012-04-03 18:41:27 +000011570 FLAGS_TX_ERROR_CHECK),
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011571 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11572 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11573 .mdio_ctrl = 0,
11574 .supported = (SUPPORTED_10000baseT_Full |
11575 SUPPORTED_1000baseT_Full |
11576 SUPPORTED_Autoneg |
11577 SUPPORTED_FIBRE |
11578 SUPPORTED_Pause |
11579 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011580 .media_type = ETH_PHY_NOT_PRESENT,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011581 .ver_addr = 0,
11582 .req_flow_ctrl = 0,
11583 .req_line_speed = 0,
11584 .speed_cap_mask = 0,
11585 .req_duplex = 0,
11586 .rsrv = 0,
11587 .config_init = (config_init_t)bnx2x_8726_config_init,
11588 .read_status = (read_status_t)bnx2x_8726_read_status,
11589 .link_reset = (link_reset_t)bnx2x_8726_link_reset,
11590 .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
11591 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11592 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011593 .set_link_led = (set_link_led_t)NULL,
11594 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011595};
11596
Yaniv Rosner503976e2012-11-27 03:46:34 +000011597static const struct bnx2x_phy phy_8727 = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011598 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
11599 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011600 .def_md_devad = 0,
Yaniv Rosner55098c52012-04-03 18:41:27 +000011601 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11602 FLAGS_TX_ERROR_CHECK),
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011603 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11604 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11605 .mdio_ctrl = 0,
11606 .supported = (SUPPORTED_10000baseT_Full |
11607 SUPPORTED_1000baseT_Full |
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011608 SUPPORTED_FIBRE |
11609 SUPPORTED_Pause |
11610 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011611 .media_type = ETH_PHY_NOT_PRESENT,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011612 .ver_addr = 0,
11613 .req_flow_ctrl = 0,
11614 .req_line_speed = 0,
11615 .speed_cap_mask = 0,
11616 .req_duplex = 0,
11617 .rsrv = 0,
11618 .config_init = (config_init_t)bnx2x_8727_config_init,
11619 .read_status = (read_status_t)bnx2x_8727_read_status,
11620 .link_reset = (link_reset_t)bnx2x_8727_link_reset,
11621 .config_loopback = (config_loopback_t)NULL,
11622 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11623 .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011624 .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011625 .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011626};
Yaniv Rosner503976e2012-11-27 03:46:34 +000011627static const struct bnx2x_phy phy_8481 = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011628 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
11629 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011630 .def_md_devad = 0,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011631 .flags = FLAGS_FAN_FAILURE_DET_REQ |
11632 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011633 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11634 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11635 .mdio_ctrl = 0,
11636 .supported = (SUPPORTED_10baseT_Half |
11637 SUPPORTED_10baseT_Full |
11638 SUPPORTED_100baseT_Half |
11639 SUPPORTED_100baseT_Full |
11640 SUPPORTED_1000baseT_Full |
11641 SUPPORTED_10000baseT_Full |
11642 SUPPORTED_TP |
11643 SUPPORTED_Autoneg |
11644 SUPPORTED_Pause |
11645 SUPPORTED_Asym_Pause),
11646 .media_type = ETH_PHY_BASE_T,
11647 .ver_addr = 0,
11648 .req_flow_ctrl = 0,
11649 .req_line_speed = 0,
11650 .speed_cap_mask = 0,
11651 .req_duplex = 0,
11652 .rsrv = 0,
11653 .config_init = (config_init_t)bnx2x_8481_config_init,
11654 .read_status = (read_status_t)bnx2x_848xx_read_status,
11655 .link_reset = (link_reset_t)bnx2x_8481_link_reset,
11656 .config_loopback = (config_loopback_t)NULL,
11657 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11658 .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011659 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011660 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011661};
11662
Yaniv Rosner503976e2012-11-27 03:46:34 +000011663static const struct bnx2x_phy phy_84823 = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011664 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
11665 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011666 .def_md_devad = 0,
Yaniv Rosner55098c52012-04-03 18:41:27 +000011667 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11668 FLAGS_REARM_LATCH_SIGNAL |
11669 FLAGS_TX_ERROR_CHECK),
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011670 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11671 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11672 .mdio_ctrl = 0,
11673 .supported = (SUPPORTED_10baseT_Half |
11674 SUPPORTED_10baseT_Full |
11675 SUPPORTED_100baseT_Half |
11676 SUPPORTED_100baseT_Full |
11677 SUPPORTED_1000baseT_Full |
11678 SUPPORTED_10000baseT_Full |
11679 SUPPORTED_TP |
11680 SUPPORTED_Autoneg |
11681 SUPPORTED_Pause |
11682 SUPPORTED_Asym_Pause),
11683 .media_type = ETH_PHY_BASE_T,
11684 .ver_addr = 0,
11685 .req_flow_ctrl = 0,
11686 .req_line_speed = 0,
11687 .speed_cap_mask = 0,
11688 .req_duplex = 0,
11689 .rsrv = 0,
11690 .config_init = (config_init_t)bnx2x_848x3_config_init,
11691 .read_status = (read_status_t)bnx2x_848xx_read_status,
11692 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11693 .config_loopback = (config_loopback_t)NULL,
11694 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11695 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011696 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosner5c107fd2012-09-13 02:56:19 +000011697 .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011698};
11699
Yaniv Rosner503976e2012-11-27 03:46:34 +000011700static const struct bnx2x_phy phy_84833 = {
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011701 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
11702 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011703 .def_md_devad = 0,
Yaniv Rosner55098c52012-04-03 18:41:27 +000011704 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11705 FLAGS_REARM_LATCH_SIGNAL |
Yuval Mintzf6b6eb62012-09-10 05:51:07 +000011706 FLAGS_TX_ERROR_CHECK),
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011707 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11708 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11709 .mdio_ctrl = 0,
Yaniv Rosner0520e632011-07-05 01:06:59 +000011710 .supported = (SUPPORTED_100baseT_Half |
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011711 SUPPORTED_100baseT_Full |
11712 SUPPORTED_1000baseT_Full |
11713 SUPPORTED_10000baseT_Full |
11714 SUPPORTED_TP |
11715 SUPPORTED_Autoneg |
11716 SUPPORTED_Pause |
11717 SUPPORTED_Asym_Pause),
11718 .media_type = ETH_PHY_BASE_T,
11719 .ver_addr = 0,
11720 .req_flow_ctrl = 0,
11721 .req_line_speed = 0,
11722 .speed_cap_mask = 0,
11723 .req_duplex = 0,
11724 .rsrv = 0,
11725 .config_init = (config_init_t)bnx2x_848x3_config_init,
11726 .read_status = (read_status_t)bnx2x_848xx_read_status,
11727 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11728 .config_loopback = (config_loopback_t)NULL,
11729 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
Yaniv Rosner985848f2011-07-05 01:06:48 +000011730 .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011731 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosner5c107fd2012-09-13 02:56:19 +000011732 .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011733};
11734
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000011735static const struct bnx2x_phy phy_84834 = {
11736 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
11737 .addr = 0xff,
11738 .def_md_devad = 0,
11739 .flags = FLAGS_FAN_FAILURE_DET_REQ |
11740 FLAGS_REARM_LATCH_SIGNAL,
11741 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11742 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11743 .mdio_ctrl = 0,
11744 .supported = (SUPPORTED_100baseT_Half |
11745 SUPPORTED_100baseT_Full |
11746 SUPPORTED_1000baseT_Full |
11747 SUPPORTED_10000baseT_Full |
11748 SUPPORTED_TP |
11749 SUPPORTED_Autoneg |
11750 SUPPORTED_Pause |
11751 SUPPORTED_Asym_Pause),
11752 .media_type = ETH_PHY_BASE_T,
11753 .ver_addr = 0,
11754 .req_flow_ctrl = 0,
11755 .req_line_speed = 0,
11756 .speed_cap_mask = 0,
11757 .req_duplex = 0,
11758 .rsrv = 0,
11759 .config_init = (config_init_t)bnx2x_848x3_config_init,
11760 .read_status = (read_status_t)bnx2x_848xx_read_status,
11761 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11762 .config_loopback = (config_loopback_t)NULL,
11763 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11764 .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
11765 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
11766 .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11767};
11768
Yaniv Rosner503976e2012-11-27 03:46:34 +000011769static const struct bnx2x_phy phy_54618se = {
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000011770 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
Yaniv Rosner6583e332011-06-14 01:34:17 +000011771 .addr = 0xff,
11772 .def_md_devad = 0,
11773 .flags = FLAGS_INIT_XGXS_FIRST,
11774 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11775 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11776 .mdio_ctrl = 0,
11777 .supported = (SUPPORTED_10baseT_Half |
11778 SUPPORTED_10baseT_Full |
11779 SUPPORTED_100baseT_Half |
11780 SUPPORTED_100baseT_Full |
11781 SUPPORTED_1000baseT_Full |
11782 SUPPORTED_TP |
11783 SUPPORTED_Autoneg |
11784 SUPPORTED_Pause |
11785 SUPPORTED_Asym_Pause),
11786 .media_type = ETH_PHY_BASE_T,
11787 .ver_addr = 0,
11788 .req_flow_ctrl = 0,
11789 .req_line_speed = 0,
11790 .speed_cap_mask = 0,
11791 /* req_duplex = */0,
11792 /* rsrv = */0,
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000011793 .config_init = (config_init_t)bnx2x_54618se_config_init,
11794 .read_status = (read_status_t)bnx2x_54618se_read_status,
11795 .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
11796 .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
Yaniv Rosner6583e332011-06-14 01:34:17 +000011797 .format_fw_ver = (format_fw_ver_t)NULL,
11798 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosner1d125bd2011-11-23 03:54:08 +000011799 .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
Yaniv Rosner5c107fd2012-09-13 02:56:19 +000011800 .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
Yaniv Rosner6583e332011-06-14 01:34:17 +000011801};
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011802/*****************************************************************/
11803/* */
11804/* Populate the phy according. Main function: bnx2x_populate_phy */
11805/* */
11806/*****************************************************************/
11807
11808static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
11809 struct bnx2x_phy *phy, u8 port,
11810 u8 phy_index)
11811{
11812 /* Get the 4 lanes xgxs config rx and tx */
11813 u32 rx = 0, tx = 0, i;
11814 for (i = 0; i < 2; i++) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011815 /* INT_PHY and EXT_PHY1 share the same value location in
11816 * the shmem. When num_phys is greater than 1, than this value
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011817 * applies only to EXT_PHY1
11818 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011819 if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
11820 rx = REG_RD(bp, shmem_base +
11821 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011822 dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011823
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011824 tx = REG_RD(bp, shmem_base +
11825 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011826 dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011827 } else {
11828 rx = REG_RD(bp, shmem_base +
11829 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011830 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011831
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011832 tx = REG_RD(bp, shmem_base +
11833 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011834 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011835 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011836
11837 phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
11838 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
11839
11840 phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
11841 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
11842 }
11843}
11844
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011845static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
11846 u8 phy_index, u8 port)
11847{
11848 u32 ext_phy_config = 0;
11849 switch (phy_index) {
11850 case EXT_PHY1:
11851 ext_phy_config = REG_RD(bp, shmem_base +
11852 offsetof(struct shmem_region,
11853 dev_info.port_hw_config[port].external_phy_config));
11854 break;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011855 case EXT_PHY2:
11856 ext_phy_config = REG_RD(bp, shmem_base +
11857 offsetof(struct shmem_region,
11858 dev_info.port_hw_config[port].external_phy_config2));
11859 break;
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011860 default:
11861 DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
11862 return -EINVAL;
11863 }
11864
11865 return ext_phy_config;
11866}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011867static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
11868 struct bnx2x_phy *phy)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011869{
11870 u32 phy_addr;
11871 u32 chip_id;
11872 u32 switch_cfg = (REG_RD(bp, shmem_base +
11873 offsetof(struct shmem_region,
11874 dev_info.port_feature_config[port].link_config)) &
11875 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerec15b892011-11-28 00:49:49 +000011876 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
11877 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
11878
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011879 DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
11880 if (USES_WARPCORE(bp)) {
11881 u32 serdes_net_if;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011882 phy_addr = REG_RD(bp,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011883 MISC_REG_WC0_CTRL_PHY_ADDR);
11884 *phy = phy_warpcore;
11885 if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
11886 phy->flags |= FLAGS_4_PORT_MODE;
11887 else
11888 phy->flags &= ~FLAGS_4_PORT_MODE;
11889 /* Check Dual mode */
11890 serdes_net_if = (REG_RD(bp, shmem_base +
11891 offsetof(struct shmem_region, dev_info.
11892 port_hw_config[port].default_cfg)) &
11893 PORT_HW_CFG_NET_SERDES_IF_MASK);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011894 /* Set the appropriate supported and flags indications per
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011895 * interface type of the chip
11896 */
11897 switch (serdes_net_if) {
11898 case PORT_HW_CFG_NET_SERDES_IF_SGMII:
11899 phy->supported &= (SUPPORTED_10baseT_Half |
11900 SUPPORTED_10baseT_Full |
11901 SUPPORTED_100baseT_Half |
11902 SUPPORTED_100baseT_Full |
11903 SUPPORTED_1000baseT_Full |
11904 SUPPORTED_FIBRE |
11905 SUPPORTED_Autoneg |
11906 SUPPORTED_Pause |
11907 SUPPORTED_Asym_Pause);
11908 phy->media_type = ETH_PHY_BASE_T;
11909 break;
11910 case PORT_HW_CFG_NET_SERDES_IF_XFI:
Yaniv Rosner03c31482012-10-31 05:46:57 +000011911 phy->supported &= (SUPPORTED_1000baseT_Full |
11912 SUPPORTED_10000baseT_Full |
11913 SUPPORTED_FIBRE |
11914 SUPPORTED_Pause |
11915 SUPPORTED_Asym_Pause);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011916 phy->media_type = ETH_PHY_XFP_FIBER;
11917 break;
11918 case PORT_HW_CFG_NET_SERDES_IF_SFI:
11919 phy->supported &= (SUPPORTED_1000baseT_Full |
11920 SUPPORTED_10000baseT_Full |
11921 SUPPORTED_FIBRE |
11922 SUPPORTED_Pause |
11923 SUPPORTED_Asym_Pause);
Yuval Mintzdbef8072012-06-20 19:05:22 +000011924 phy->media_type = ETH_PHY_SFPP_10G_FIBER;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011925 break;
11926 case PORT_HW_CFG_NET_SERDES_IF_KR:
11927 phy->media_type = ETH_PHY_KR;
11928 phy->supported &= (SUPPORTED_1000baseT_Full |
11929 SUPPORTED_10000baseT_Full |
11930 SUPPORTED_FIBRE |
11931 SUPPORTED_Autoneg |
11932 SUPPORTED_Pause |
11933 SUPPORTED_Asym_Pause);
11934 break;
11935 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
11936 phy->media_type = ETH_PHY_KR;
11937 phy->flags |= FLAGS_WC_DUAL_MODE;
11938 phy->supported &= (SUPPORTED_20000baseMLD2_Full |
11939 SUPPORTED_FIBRE |
11940 SUPPORTED_Pause |
11941 SUPPORTED_Asym_Pause);
11942 break;
11943 case PORT_HW_CFG_NET_SERDES_IF_KR2:
11944 phy->media_type = ETH_PHY_KR;
11945 phy->flags |= FLAGS_WC_DUAL_MODE;
11946 phy->supported &= (SUPPORTED_20000baseKR2_Full |
Yaniv Rosnerbe94bea2013-02-27 13:06:45 +000011947 SUPPORTED_10000baseT_Full |
11948 SUPPORTED_1000baseT_Full |
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000011949 SUPPORTED_Autoneg |
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011950 SUPPORTED_FIBRE |
11951 SUPPORTED_Pause |
11952 SUPPORTED_Asym_Pause);
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000011953 phy->flags &= ~FLAGS_TX_ERROR_CHECK;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011954 break;
11955 default:
11956 DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
11957 serdes_net_if);
11958 break;
11959 }
11960
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011961 /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011962 * was not set as expected. For B0, ECO will be enabled so there
11963 * won't be an issue there
11964 */
11965 if (CHIP_REV(bp) == CHIP_REV_Ax)
11966 phy->flags |= FLAGS_MDC_MDIO_WA;
Yaniv Rosner157fa282011-08-02 22:59:32 +000011967 else
11968 phy->flags |= FLAGS_MDC_MDIO_WA_B0;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011969 } else {
11970 switch (switch_cfg) {
11971 case SWITCH_CFG_1G:
11972 phy_addr = REG_RD(bp,
11973 NIG_REG_SERDES0_CTRL_PHY_ADDR +
11974 port * 0x10);
11975 *phy = phy_serdes;
11976 break;
11977 case SWITCH_CFG_10G:
11978 phy_addr = REG_RD(bp,
11979 NIG_REG_XGXS0_CTRL_PHY_ADDR +
11980 port * 0x18);
11981 *phy = phy_xgxs;
11982 break;
11983 default:
11984 DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
11985 return -EINVAL;
11986 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011987 }
11988 phy->addr = (u8)phy_addr;
11989 phy->mdio_ctrl = bnx2x_get_emac_base(bp,
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011990 SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011991 port);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011992 if (CHIP_IS_E2(bp))
11993 phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
11994 else
11995 phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011996
11997 DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
11998 port, phy->addr, phy->mdio_ctrl);
11999
12000 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
12001 return 0;
12002}
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012003
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012004static int bnx2x_populate_ext_phy(struct bnx2x *bp,
12005 u8 phy_index,
12006 u32 shmem_base,
12007 u32 shmem2_base,
12008 u8 port,
12009 struct bnx2x_phy *phy)
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012010{
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000012011 u32 ext_phy_config, phy_type, config2;
12012 u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012013 ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
12014 phy_index, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012015 phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
12016 /* Select the phy type */
12017 switch (phy_type) {
12018 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000012019 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012020 *phy = phy_8073;
12021 break;
12022 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
12023 *phy = phy_8705;
12024 break;
12025 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
12026 *phy = phy_8706;
12027 break;
12028 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000012029 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012030 *phy = phy_8726;
12031 break;
12032 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
12033 /* BCM8727_NOC => BCM8727 no over current */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000012034 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012035 *phy = phy_8727;
12036 phy->flags |= FLAGS_NOC;
12037 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +000012038 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012039 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000012040 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012041 *phy = phy_8727;
12042 break;
12043 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
12044 *phy = phy_8481;
12045 break;
12046 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
12047 *phy = phy_84823;
12048 break;
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000012049 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12050 *phy = phy_84833;
12051 break;
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000012052 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
12053 *phy = phy_84834;
12054 break;
Yaniv Rosner3756a892011-08-23 06:33:24 +000012055 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000012056 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
12057 *phy = phy_54618se;
Yuval Mintz26964bb2012-09-10 05:51:08 +000012058 if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
12059 phy->flags |= FLAGS_EEE;
Yaniv Rosner6583e332011-06-14 01:34:17 +000012060 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012061 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
12062 *phy = phy_7101;
12063 break;
12064 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
12065 *phy = phy_null;
12066 return -EINVAL;
12067 default:
12068 *phy = phy_null;
Yaniv Rosner6db51932011-11-28 00:49:50 +000012069 /* In case external PHY wasn't found */
12070 if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
12071 (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
12072 return -EINVAL;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012073 return 0;
12074 }
12075
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012076 phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012077 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
Yaniv Rosner62b29a52010-09-07 11:40:58 +000012078
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012079 /* The shmem address of the phy version is located on different
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000012080 * structures. In case this structure is too old, do not set
12081 * the address
12082 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000012083 config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
12084 dev_info.shared_hw_config.config2));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012085 if (phy_index == EXT_PHY1) {
12086 phy->ver_addr = shmem_base + offsetof(struct shmem_region,
12087 port_mb[port].ext_phy_fw_version);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000012088
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012089 /* Check specific mdc mdio settings */
12090 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
12091 mdc_mdio_access = config2 &
12092 SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012093 } else {
12094 u32 size = REG_RD(bp, shmem2_base);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000012095
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012096 if (size >
12097 offsetof(struct shmem2_region, ext_phy_fw_version2)) {
12098 phy->ver_addr = shmem2_base +
12099 offsetof(struct shmem2_region,
12100 ext_phy_fw_version2[port]);
12101 }
12102 /* Check specific mdc mdio settings */
12103 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
12104 mdc_mdio_access = (config2 &
12105 SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
12106 (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
12107 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
12108 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000012109 phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
12110
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000012111 if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
12112 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
Yaniv Rosner75318322012-01-17 02:33:27 +000012113 (phy->ver_addr)) {
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000012114 /* Remove 100Mb link supported for BCM84833/4 when phy fw
Yaniv Rosner75318322012-01-17 02:33:27 +000012115 * version lower than or equal to 1.39
12116 */
12117 u32 raw_ver = REG_RD(bp, phy->ver_addr);
12118 if (((raw_ver & 0x7F) <= 39) &&
12119 (((raw_ver & 0xF80) >> 7) <= 1))
12120 phy->supported &= ~(SUPPORTED_100baseT_Half |
12121 SUPPORTED_100baseT_Full);
12122 }
12123
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000012124 DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
12125 phy_type, port, phy_index);
12126 DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
12127 phy->addr, phy->mdio_ctrl);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012128 return 0;
12129}
12130
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012131static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
12132 u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012133{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012134 int status = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012135 phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
12136 if (phy_index == INT_PHY)
12137 return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012138 status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012139 port, phy);
12140 return status;
12141}
12142
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012143static void bnx2x_phy_def_cfg(struct link_params *params,
12144 struct bnx2x_phy *phy,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012145 u8 phy_index)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012146{
12147 struct bnx2x *bp = params->bp;
12148 u32 link_config;
12149 /* Populate the default phy configuration for MF mode */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012150 if (phy_index == EXT_PHY2) {
12151 link_config = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012152 offsetof(struct shmem_region, dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012153 port_feature_config[params->port].link_config2));
12154 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012155 offsetof(struct shmem_region,
12156 dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012157 port_hw_config[params->port].speed_capability_mask2));
12158 } else {
12159 link_config = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012160 offsetof(struct shmem_region, dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012161 port_feature_config[params->port].link_config));
12162 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012163 offsetof(struct shmem_region,
12164 dev_info.
12165 port_hw_config[params->port].speed_capability_mask));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012166 }
Joe Perches94f05b02011-08-14 12:16:20 +000012167 DP(NETIF_MSG_LINK,
12168 "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
12169 phy_index, link_config, phy->speed_cap_mask);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012170
12171 phy->req_duplex = DUPLEX_FULL;
12172 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
12173 case PORT_FEATURE_LINK_SPEED_10M_HALF:
12174 phy->req_duplex = DUPLEX_HALF;
12175 case PORT_FEATURE_LINK_SPEED_10M_FULL:
12176 phy->req_line_speed = SPEED_10;
12177 break;
12178 case PORT_FEATURE_LINK_SPEED_100M_HALF:
12179 phy->req_duplex = DUPLEX_HALF;
12180 case PORT_FEATURE_LINK_SPEED_100M_FULL:
12181 phy->req_line_speed = SPEED_100;
12182 break;
12183 case PORT_FEATURE_LINK_SPEED_1G:
12184 phy->req_line_speed = SPEED_1000;
12185 break;
12186 case PORT_FEATURE_LINK_SPEED_2_5G:
12187 phy->req_line_speed = SPEED_2500;
12188 break;
12189 case PORT_FEATURE_LINK_SPEED_10G_CX4:
12190 phy->req_line_speed = SPEED_10000;
12191 break;
12192 default:
12193 phy->req_line_speed = SPEED_AUTO_NEG;
12194 break;
12195 }
12196
12197 switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
12198 case PORT_FEATURE_FLOW_CONTROL_AUTO:
12199 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
12200 break;
12201 case PORT_FEATURE_FLOW_CONTROL_TX:
12202 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
12203 break;
12204 case PORT_FEATURE_FLOW_CONTROL_RX:
12205 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
12206 break;
12207 case PORT_FEATURE_FLOW_CONTROL_BOTH:
12208 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
12209 break;
12210 default:
12211 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12212 break;
12213 }
12214}
12215
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012216u32 bnx2x_phy_selection(struct link_params *params)
12217{
12218 u32 phy_config_swapped, prio_cfg;
12219 u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
12220
12221 phy_config_swapped = params->multi_phy_config &
12222 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12223
12224 prio_cfg = params->multi_phy_config &
12225 PORT_HW_CFG_PHY_SELECTION_MASK;
12226
12227 if (phy_config_swapped) {
12228 switch (prio_cfg) {
12229 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
12230 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
12231 break;
12232 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
12233 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
12234 break;
12235 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
12236 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
12237 break;
12238 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
12239 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
12240 break;
12241 }
12242 } else
12243 return_cfg = prio_cfg;
12244
12245 return return_cfg;
12246}
12247
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012248int bnx2x_phy_probe(struct link_params *params)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012249{
Yaniv Rosner2f751a82011-11-28 00:49:52 +000012250 u8 phy_index, actual_phy_idx;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000012251 u32 phy_config_swapped, sync_offset, media_types;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012252 struct bnx2x *bp = params->bp;
12253 struct bnx2x_phy *phy;
12254 params->num_phys = 0;
12255 DP(NETIF_MSG_LINK, "Begin phy probe\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012256 phy_config_swapped = params->multi_phy_config &
12257 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012258
12259 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12260 phy_index++) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012261 actual_phy_idx = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012262 if (phy_config_swapped) {
12263 if (phy_index == EXT_PHY1)
12264 actual_phy_idx = EXT_PHY2;
12265 else if (phy_index == EXT_PHY2)
12266 actual_phy_idx = EXT_PHY1;
12267 }
12268 DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
12269 " actual_phy_idx %x\n", phy_config_swapped,
12270 phy_index, actual_phy_idx);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012271 phy = &params->phy[actual_phy_idx];
12272 if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012273 params->shmem2_base, params->port,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012274 phy) != 0) {
12275 params->num_phys = 0;
12276 DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
12277 phy_index);
12278 for (phy_index = INT_PHY;
12279 phy_index < MAX_PHYS;
12280 phy_index++)
12281 *phy = phy_null;
12282 return -EINVAL;
12283 }
12284 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
12285 break;
12286
Yaniv Rosner55098c52012-04-03 18:41:27 +000012287 if (params->feature_config_flags &
12288 FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
12289 phy->flags &= ~FLAGS_TX_ERROR_CHECK;
12290
Yaniv Rosner55386fe82012-11-27 03:46:30 +000012291 if (!(params->feature_config_flags &
12292 FEATURE_CONFIG_MT_SUPPORT))
12293 phy->flags |= FLAGS_MDC_MDIO_WA_G;
12294
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000012295 sync_offset = params->shmem_base +
12296 offsetof(struct shmem_region,
12297 dev_info.port_hw_config[params->port].media_type);
12298 media_types = REG_RD(bp, sync_offset);
12299
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012300 /* Update media type for non-PMF sync only for the first time
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000012301 * In case the media type changes afterwards, it will be updated
12302 * using the update_status function
12303 */
12304 if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
12305 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12306 actual_phy_idx))) == 0) {
12307 media_types |= ((phy->media_type &
12308 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
12309 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12310 actual_phy_idx));
12311 }
12312 REG_WR(bp, sync_offset, media_types);
12313
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012314 bnx2x_phy_def_cfg(params, phy, phy_index);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012315 params->num_phys++;
12316 }
12317
12318 DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
12319 return 0;
12320}
12321
Merav Sicron910cc722012-11-11 03:56:08 +000012322static void bnx2x_init_bmac_loopback(struct link_params *params,
12323 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012324{
12325 struct bnx2x *bp = params->bp;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012326 vars->link_up = 1;
12327 vars->line_speed = SPEED_10000;
12328 vars->duplex = DUPLEX_FULL;
12329 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12330 vars->mac_type = MAC_TYPE_BMAC;
12331
12332 vars->phy_flags = PHY_XGXS_FLAG;
12333
12334 bnx2x_xgxs_deassert(params);
12335
Yaniv Rosner05fcaea2013-03-27 01:05:19 +000012336 /* Set bmac loopback */
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012337 bnx2x_bmac_enable(params, vars, 1, 1);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012338
12339 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12340}
12341
Merav Sicron910cc722012-11-11 03:56:08 +000012342static void bnx2x_init_emac_loopback(struct link_params *params,
12343 struct link_vars *vars)
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012344{
12345 struct bnx2x *bp = params->bp;
12346 vars->link_up = 1;
12347 vars->line_speed = SPEED_1000;
12348 vars->duplex = DUPLEX_FULL;
12349 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12350 vars->mac_type = MAC_TYPE_EMAC;
12351
12352 vars->phy_flags = PHY_XGXS_FLAG;
12353
12354 bnx2x_xgxs_deassert(params);
Yaniv Rosner05fcaea2013-03-27 01:05:19 +000012355 /* Set bmac loopback */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012356 bnx2x_emac_enable(params, vars, 1);
12357 bnx2x_emac_program(params, vars);
12358 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12359}
12360
Merav Sicron910cc722012-11-11 03:56:08 +000012361static void bnx2x_init_xmac_loopback(struct link_params *params,
12362 struct link_vars *vars)
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012363{
12364 struct bnx2x *bp = params->bp;
12365 vars->link_up = 1;
12366 if (!params->req_line_speed[0])
12367 vars->line_speed = SPEED_10000;
12368 else
12369 vars->line_speed = params->req_line_speed[0];
12370 vars->duplex = DUPLEX_FULL;
12371 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12372 vars->mac_type = MAC_TYPE_XMAC;
12373 vars->phy_flags = PHY_XGXS_FLAG;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012374 /* Set WC to loopback mode since link is required to provide clock
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012375 * to the XMAC in 20G mode
12376 */
Yaniv Rosnerafad0092011-08-02 23:00:06 +000012377 bnx2x_set_aer_mmd(params, &params->phy[0]);
12378 bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
12379 params->phy[INT_PHY].config_loopback(
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012380 &params->phy[INT_PHY],
12381 params);
Yaniv Rosnerafad0092011-08-02 23:00:06 +000012382
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012383 bnx2x_xmac_enable(params, vars, 1);
12384 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12385}
12386
Merav Sicron910cc722012-11-11 03:56:08 +000012387static void bnx2x_init_umac_loopback(struct link_params *params,
12388 struct link_vars *vars)
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012389{
12390 struct bnx2x *bp = params->bp;
12391 vars->link_up = 1;
12392 vars->line_speed = SPEED_1000;
12393 vars->duplex = DUPLEX_FULL;
12394 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12395 vars->mac_type = MAC_TYPE_UMAC;
12396 vars->phy_flags = PHY_XGXS_FLAG;
12397 bnx2x_umac_enable(params, vars, 1);
12398
12399 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12400}
12401
Merav Sicron910cc722012-11-11 03:56:08 +000012402static void bnx2x_init_xgxs_loopback(struct link_params *params,
12403 struct link_vars *vars)
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012404{
12405 struct bnx2x *bp = params->bp;
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000012406 struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
Yaniv Rosner503976e2012-11-27 03:46:34 +000012407 vars->link_up = 1;
12408 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12409 vars->duplex = DUPLEX_FULL;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012410 if (params->req_line_speed[0] == SPEED_1000)
Yaniv Rosner503976e2012-11-27 03:46:34 +000012411 vars->line_speed = SPEED_1000;
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000012412 else if ((params->req_line_speed[0] == SPEED_20000) ||
12413 (int_phy->flags & FLAGS_WC_DUAL_MODE))
12414 vars->line_speed = SPEED_20000;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012415 else
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000012416 vars->line_speed = SPEED_10000;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012417
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012418 if (!USES_WARPCORE(bp))
12419 bnx2x_xgxs_deassert(params);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012420 bnx2x_link_initialize(params, vars);
12421
12422 if (params->req_line_speed[0] == SPEED_1000) {
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012423 if (USES_WARPCORE(bp))
12424 bnx2x_umac_enable(params, vars, 0);
12425 else {
12426 bnx2x_emac_program(params, vars);
12427 bnx2x_emac_enable(params, vars, 0);
12428 }
12429 } else {
12430 if (USES_WARPCORE(bp))
12431 bnx2x_xmac_enable(params, vars, 0);
12432 else
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012433 bnx2x_bmac_enable(params, vars, 0, 1);
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012434 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012435
Yaniv Rosner503976e2012-11-27 03:46:34 +000012436 if (params->loopback_mode == LOOPBACK_XGXS) {
12437 /* Set 10G XGXS loopback */
12438 int_phy->config_loopback(int_phy, params);
12439 } else {
12440 /* Set external phy loopback */
12441 u8 phy_index;
12442 for (phy_index = EXT_PHY1;
12443 phy_index < params->num_phys; phy_index++)
12444 if (params->phy[phy_index].config_loopback)
12445 params->phy[phy_index].config_loopback(
12446 &params->phy[phy_index],
12447 params);
12448 }
12449 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012450
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012451 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012452}
12453
Merav Sicron55c11942012-11-07 00:45:48 +000012454void bnx2x_set_rx_filter(struct link_params *params, u8 en)
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012455{
12456 struct bnx2x *bp = params->bp;
12457 u8 val = en * 0x1F;
12458
Yaniv Rosner503976e2012-11-27 03:46:34 +000012459 /* Open / close the gate between the NIG and the BRB */
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012460 if (!CHIP_IS_E1x(bp))
12461 val |= en * 0x20;
12462 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
12463
12464 if (!CHIP_IS_E1(bp)) {
12465 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
12466 en*0x3);
12467 }
12468
12469 REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
12470 NIG_REG_LLH0_BRB1_NOT_MCP), en);
12471}
12472static int bnx2x_avoid_link_flap(struct link_params *params,
12473 struct link_vars *vars)
12474{
12475 u32 phy_idx;
12476 u32 dont_clear_stat, lfa_sts;
12477 struct bnx2x *bp = params->bp;
12478
12479 /* Sync the link parameters */
12480 bnx2x_link_status_update(params, vars);
12481
12482 /*
12483 * The module verification was already done by previous link owner,
12484 * so this call is meant only to get warning message
12485 */
12486
12487 for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
12488 struct bnx2x_phy *phy = &params->phy[phy_idx];
12489 if (phy->phy_specific_func) {
12490 DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
12491 phy->phy_specific_func(phy, params, PHY_INIT);
12492 }
12493 if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
12494 (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
12495 (phy->media_type == ETH_PHY_DA_TWINAX))
12496 bnx2x_verify_sfp_module(phy, params);
12497 }
12498 lfa_sts = REG_RD(bp, params->lfa_base +
12499 offsetof(struct shmem_lfa,
12500 lfa_sts));
12501
12502 dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
12503
12504 /* Re-enable the NIG/MAC */
12505 if (CHIP_IS_E3(bp)) {
12506 if (!dont_clear_stat) {
12507 REG_WR(bp, GRCBASE_MISC +
12508 MISC_REGISTERS_RESET_REG_2_CLEAR,
12509 (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12510 params->port));
12511 REG_WR(bp, GRCBASE_MISC +
12512 MISC_REGISTERS_RESET_REG_2_SET,
12513 (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12514 params->port));
12515 }
12516 if (vars->line_speed < SPEED_10000)
12517 bnx2x_umac_enable(params, vars, 0);
12518 else
12519 bnx2x_xmac_enable(params, vars, 0);
12520 } else {
12521 if (vars->line_speed < SPEED_10000)
12522 bnx2x_emac_enable(params, vars, 0);
12523 else
12524 bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
12525 }
12526
12527 /* Increment LFA count */
12528 lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
12529 (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
12530 LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
12531 << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
12532 /* Clear link flap reason */
12533 lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12534
12535 REG_WR(bp, params->lfa_base +
12536 offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12537
12538 /* Disable NIG DRAIN */
12539 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12540
12541 /* Enable interrupts */
12542 bnx2x_link_int_enable(params);
12543 return 0;
12544}
12545
12546static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
12547 struct link_vars *vars,
12548 int lfa_status)
12549{
12550 u32 lfa_sts, cfg_idx, tmp_val;
12551 struct bnx2x *bp = params->bp;
12552
12553 bnx2x_link_reset(params, vars, 1);
12554
12555 if (!params->lfa_base)
12556 return;
12557 /* Store the new link parameters */
12558 REG_WR(bp, params->lfa_base +
12559 offsetof(struct shmem_lfa, req_duplex),
12560 params->req_duplex[0] | (params->req_duplex[1] << 16));
12561
12562 REG_WR(bp, params->lfa_base +
12563 offsetof(struct shmem_lfa, req_flow_ctrl),
12564 params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
12565
12566 REG_WR(bp, params->lfa_base +
12567 offsetof(struct shmem_lfa, req_line_speed),
12568 params->req_line_speed[0] | (params->req_line_speed[1] << 16));
12569
12570 for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
12571 REG_WR(bp, params->lfa_base +
12572 offsetof(struct shmem_lfa,
12573 speed_cap_mask[cfg_idx]),
12574 params->speed_cap_mask[cfg_idx]);
12575 }
12576
12577 tmp_val = REG_RD(bp, params->lfa_base +
12578 offsetof(struct shmem_lfa, additional_config));
12579 tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
12580 tmp_val |= params->req_fc_auto_adv;
12581
12582 REG_WR(bp, params->lfa_base +
12583 offsetof(struct shmem_lfa, additional_config), tmp_val);
12584
12585 lfa_sts = REG_RD(bp, params->lfa_base +
12586 offsetof(struct shmem_lfa, lfa_sts));
12587
12588 /* Clear the "Don't Clear Statistics" bit, and set reason */
12589 lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
12590
12591 /* Set link flap reason */
12592 lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12593 lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
12594 LFA_LINK_FLAP_REASON_OFFSET);
12595
12596 /* Increment link flap counter */
12597 lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
12598 (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
12599 LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
12600 << LINK_FLAP_COUNT_OFFSET));
12601 REG_WR(bp, params->lfa_base +
12602 offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12603 /* Proceed with regular link initialization */
12604}
12605
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012606int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012607{
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012608 int lfa_status;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012609 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012610 DP(NETIF_MSG_LINK, "Phy Initialization started\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012611 DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
12612 params->req_line_speed[0], params->req_flow_ctrl[0]);
12613 DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
12614 params->req_line_speed[1], params->req_flow_ctrl[1]);
Yaniv Rosner05fcaea2013-03-27 01:05:19 +000012615 DP(NETIF_MSG_LINK, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012616 vars->link_status = 0;
12617 vars->phy_link_up = 0;
12618 vars->link_up = 0;
12619 vars->line_speed = 0;
12620 vars->duplex = DUPLEX_FULL;
12621 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12622 vars->mac_type = MAC_TYPE_NONE;
12623 vars->phy_flags = 0;
Yaniv Rosner5f3347e2013-03-07 13:27:33 +000012624 vars->check_kr2_recovery_cnt = 0;
Yaniv Rosnerd91693232013-03-07 13:27:34 +000012625 params->link_flags = PHY_INITIALIZED;
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012626 /* Driver opens NIG-BRB filters */
12627 bnx2x_set_rx_filter(params, 1);
12628 /* Check if link flap can be avoided */
12629 lfa_status = bnx2x_check_lfa(params);
12630
12631 if (lfa_status == 0) {
12632 DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
12633 return bnx2x_avoid_link_flap(params, vars);
12634 }
12635
12636 DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
12637 lfa_status);
12638 bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012639
Yuval Mintzd2310232012-06-20 19:05:19 +000012640 /* Disable attentions */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012641 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
12642 (NIG_MASK_XGXS0_LINK_STATUS |
12643 NIG_MASK_XGXS0_LINK10G |
12644 NIG_MASK_SERDES0_LINK_STATUS |
12645 NIG_MASK_MI_INT));
12646
12647 bnx2x_emac_init(params, vars);
12648
Yaniv Rosner27d91292012-04-04 01:28:54 +000012649 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
12650 vars->link_status |= LINK_STATUS_PFC_ENABLED;
12651
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012652 if (params->num_phys == 0) {
12653 DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
12654 return -EINVAL;
12655 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012656 set_phy_vars(params, vars);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012657
12658 DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012659 switch (params->loopback_mode) {
12660 case LOOPBACK_BMAC:
12661 bnx2x_init_bmac_loopback(params, vars);
12662 break;
12663 case LOOPBACK_EMAC:
12664 bnx2x_init_emac_loopback(params, vars);
12665 break;
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012666 case LOOPBACK_XMAC:
12667 bnx2x_init_xmac_loopback(params, vars);
12668 break;
12669 case LOOPBACK_UMAC:
12670 bnx2x_init_umac_loopback(params, vars);
12671 break;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012672 case LOOPBACK_XGXS:
12673 case LOOPBACK_EXT_PHY:
12674 bnx2x_init_xgxs_loopback(params, vars);
12675 break;
12676 default:
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012677 if (!CHIP_IS_E3(bp)) {
12678 if (params->switch_cfg == SWITCH_CFG_10G)
12679 bnx2x_xgxs_deassert(params);
12680 else
12681 bnx2x_serdes_deassert(bp, params->port);
12682 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012683 bnx2x_link_initialize(params, vars);
12684 msleep(30);
12685 bnx2x_link_int_enable(params);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012686 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012687 }
Yaniv Rosner55098c52012-04-03 18:41:27 +000012688 bnx2x_update_mng(params, vars->link_status);
Yuval Mintzc8c60d82012-06-06 17:13:07 +000012689
12690 bnx2x_update_mng_eee(params, vars->eee_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012691 return 0;
12692}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012693
12694int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
12695 u8 reset_ext_phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012696{
12697 struct bnx2x *bp = params->bp;
Yaniv Rosnercf1d9722010-11-01 05:32:34 +000012698 u8 phy_index, port = params->port, clear_latch_ind = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012699 DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
Yuval Mintzd2310232012-06-20 19:05:19 +000012700 /* Disable attentions */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012701 vars->link_status = 0;
12702 bnx2x_update_mng(params, vars->link_status);
Yuval Mintzc8c60d82012-06-06 17:13:07 +000012703 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
12704 SHMEM_EEE_ACTIVE_BIT);
12705 bnx2x_update_mng_eee(params, vars->eee_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012706 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012707 (NIG_MASK_XGXS0_LINK_STATUS |
12708 NIG_MASK_XGXS0_LINK10G |
12709 NIG_MASK_SERDES0_LINK_STATUS |
12710 NIG_MASK_MI_INT));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012711
Yuval Mintzd2310232012-06-20 19:05:19 +000012712 /* Activate nig drain */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012713 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
12714
Yuval Mintzd2310232012-06-20 19:05:19 +000012715 /* Disable nig egress interface */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012716 if (!CHIP_IS_E3(bp)) {
12717 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
12718 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
12719 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012720
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012721 if (!CHIP_IS_E3(bp)) {
12722 bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
12723 } else {
12724 bnx2x_set_xmac_rxtx(params, 0);
12725 bnx2x_set_umac_rxtx(params, 0);
12726 }
Yuval Mintzd2310232012-06-20 19:05:19 +000012727 /* Disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012728 if (!CHIP_IS_E3(bp))
12729 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012730
Yuval Mintzd2310232012-06-20 19:05:19 +000012731 usleep_range(10000, 20000);
Lucas De Marchi25985ed2011-03-30 22:57:33 -030012732 /* The PHY reset is controlled by GPIO 1
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012733 * Hold it as vars low
12734 */
Yuval Mintzd2310232012-06-20 19:05:19 +000012735 /* Clear link led */
Yaniv Rosner55386fe82012-11-27 03:46:30 +000012736 bnx2x_set_mdio_emac_per_phy(bp, params);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000012737 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
12738
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012739 if (reset_ext_phy) {
12740 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
12741 phy_index++) {
Yaniv Rosner28f48812011-08-02 23:00:12 +000012742 if (params->phy[phy_index].link_reset) {
12743 bnx2x_set_aer_mmd(params,
12744 &params->phy[phy_index]);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012745 params->phy[phy_index].link_reset(
12746 &params->phy[phy_index],
12747 params);
Yaniv Rosner28f48812011-08-02 23:00:12 +000012748 }
Yaniv Rosnercf1d9722010-11-01 05:32:34 +000012749 if (params->phy[phy_index].flags &
12750 FLAGS_REARM_LATCH_SIGNAL)
12751 clear_latch_ind = 1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012752 }
12753 }
12754
Yaniv Rosnercf1d9722010-11-01 05:32:34 +000012755 if (clear_latch_ind) {
12756 /* Clear latching indication */
12757 bnx2x_rearm_latch_signal(bp, port, 0);
12758 bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
12759 1 << NIG_LATCH_BC_ENABLE_MI_INT);
12760 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012761 if (params->phy[INT_PHY].link_reset)
12762 params->phy[INT_PHY].link_reset(
12763 &params->phy[INT_PHY], params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012764
Yuval Mintzd2310232012-06-20 19:05:19 +000012765 /* Disable nig ingress interface */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012766 if (!CHIP_IS_E3(bp)) {
Yuval Mintzd2310232012-06-20 19:05:19 +000012767 /* Reset BigMac */
Yaniv Rosnerce7c0482011-10-27 05:09:47 +000012768 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
12769 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012770 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
12771 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
Yaniv Rosnerce7c0482011-10-27 05:09:47 +000012772 } else {
12773 u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
12774 bnx2x_set_xumac_nig(params, 0, 0);
12775 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
12776 MISC_REGISTERS_RESET_REG_2_XMAC)
12777 REG_WR(bp, xmac_base + XMAC_REG_CTRL,
12778 XMAC_CTRL_REG_SOFT_RESET);
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012779 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012780 vars->link_up = 0;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012781 vars->phy_flags = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012782 return 0;
12783}
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012784int bnx2x_lfa_reset(struct link_params *params,
12785 struct link_vars *vars)
12786{
12787 struct bnx2x *bp = params->bp;
12788 vars->link_up = 0;
12789 vars->phy_flags = 0;
Yaniv Rosnerd91693232013-03-07 13:27:34 +000012790 params->link_flags &= ~PHY_INITIALIZED;
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012791 if (!params->lfa_base)
12792 return bnx2x_link_reset(params, vars, 1);
12793 /*
12794 * Activate NIG drain so that during this time the device won't send
12795 * anything while it is unable to response.
12796 */
12797 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
12798
12799 /*
12800 * Close gracefully the gate from BMAC to NIG such that no half packets
12801 * are passed.
12802 */
12803 if (!CHIP_IS_E3(bp))
12804 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
12805
12806 if (CHIP_IS_E3(bp)) {
12807 bnx2x_set_xmac_rxtx(params, 0);
12808 bnx2x_set_umac_rxtx(params, 0);
12809 }
12810 /* Wait 10ms for the pipe to clean up*/
12811 usleep_range(10000, 20000);
12812
12813 /* Clean the NIG-BRB using the network filters in a way that will
12814 * not cut a packet in the middle.
12815 */
12816 bnx2x_set_rx_filter(params, 0);
12817
12818 /*
12819 * Re-open the gate between the BMAC and the NIG, after verifying the
12820 * gate to the BRB is closed, otherwise packets may arrive to the
12821 * firmware before driver had initialized it. The target is to achieve
12822 * minimum management protocol down time.
12823 */
12824 if (!CHIP_IS_E3(bp))
12825 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
12826
12827 if (CHIP_IS_E3(bp)) {
12828 bnx2x_set_xmac_rxtx(params, 1);
12829 bnx2x_set_umac_rxtx(params, 1);
12830 }
12831 /* Disable NIG drain */
12832 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12833 return 0;
12834}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012835
12836/****************************************************************************/
12837/* Common function */
12838/****************************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012839static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
12840 u32 shmem_base_path[],
12841 u32 shmem2_base_path[], u8 phy_index,
12842 u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012843{
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012844 struct bnx2x_phy phy[PORT_MAX];
12845 struct bnx2x_phy *phy_blk[PORT_MAX];
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012846 u16 val;
Yaniv Rosnerc8e64df2011-01-30 04:15:00 +000012847 s8 port = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012848 s8 port_of_path = 0;
Yaniv Rosnerc8e64df2011-01-30 04:15:00 +000012849 u32 swap_val, swap_override;
12850 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12851 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
12852 port ^= (swap_val && swap_override);
12853 bnx2x_ext_phy_hw_reset(bp, port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012854 /* PART1 - Reset both phys */
12855 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012856 u32 shmem_base, shmem2_base;
12857 /* In E2, same phy is using for port0 of the two paths */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012858 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012859 shmem_base = shmem_base_path[0];
12860 shmem2_base = shmem2_base_path[0];
12861 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012862 } else {
12863 shmem_base = shmem_base_path[port];
12864 shmem2_base = shmem2_base_path[port];
12865 port_of_path = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012866 }
12867
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012868 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012869 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012870 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012871 0) {
12872 DP(NETIF_MSG_LINK, "populate_phy failed\n");
12873 return -EINVAL;
12874 }
Yuval Mintzd2310232012-06-20 19:05:19 +000012875 /* Disable attentions */
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +000012876 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12877 port_of_path*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012878 (NIG_MASK_XGXS0_LINK_STATUS |
12879 NIG_MASK_XGXS0_LINK10G |
12880 NIG_MASK_SERDES0_LINK_STATUS |
12881 NIG_MASK_MI_INT));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012882
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012883 /* Need to take the phy out of low power mode in order
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012884 * to write to access its registers
12885 */
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012886 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012887 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12888 port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012889
12890 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012891 bnx2x_cl45_write(bp, &phy[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012892 MDIO_PMA_DEVAD,
12893 MDIO_PMA_REG_CTRL,
12894 1<<15);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012895 }
12896
12897 /* Add delay of 150ms after reset */
12898 msleep(150);
12899
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012900 if (phy[PORT_0].addr & 0x1) {
12901 phy_blk[PORT_0] = &(phy[PORT_1]);
12902 phy_blk[PORT_1] = &(phy[PORT_0]);
12903 } else {
12904 phy_blk[PORT_0] = &(phy[PORT_0]);
12905 phy_blk[PORT_1] = &(phy[PORT_1]);
12906 }
12907
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012908 /* PART2 - Download firmware to both phys */
12909 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012910 if (CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012911 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012912 else
12913 port_of_path = 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012914
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012915 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12916 phy_blk[port]->addr);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +000012917 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12918 port_of_path))
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012919 return -EINVAL;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012920
12921 /* Only set bit 10 = 1 (Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012922 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012923 MDIO_PMA_DEVAD,
12924 MDIO_PMA_REG_TX_POWER_DOWN, &val);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012925
12926 /* Phase1 of TX_POWER_DOWN reset */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012927 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012928 MDIO_PMA_DEVAD,
12929 MDIO_PMA_REG_TX_POWER_DOWN,
12930 (val | 1<<10));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012931 }
12932
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012933 /* Toggle Transmitter: Power down and then up with 600ms delay
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000012934 * between
12935 */
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012936 msleep(600);
12937
12938 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
12939 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Eilon Greensteinf5372252009-02-12 08:38:30 +000012940 /* Phase2 of POWER_DOWN_RESET */
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012941 /* Release bit 10 (Release Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012942 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012943 MDIO_PMA_DEVAD,
12944 MDIO_PMA_REG_TX_POWER_DOWN, &val);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012945
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012946 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012947 MDIO_PMA_DEVAD,
12948 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
Yuval Mintzd2310232012-06-20 19:05:19 +000012949 usleep_range(15000, 30000);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012950
12951 /* Read modify write the SPI-ROM version select register */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012952 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012953 MDIO_PMA_DEVAD,
12954 MDIO_PMA_REG_EDC_FFE_MAIN, &val);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012955 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012956 MDIO_PMA_DEVAD,
12957 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012958
12959 /* set GPIO2 back to LOW */
12960 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012961 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012962 }
12963 return 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012964}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012965static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
12966 u32 shmem_base_path[],
12967 u32 shmem2_base_path[], u8 phy_index,
12968 u32 chip_id)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012969{
12970 u32 val;
12971 s8 port;
12972 struct bnx2x_phy phy;
12973 /* Use port1 because of the static port-swap */
12974 /* Enable the module detection interrupt */
12975 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
12976 val |= ((1<<MISC_REGISTERS_GPIO_3)|
12977 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
12978 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
12979
Yaniv Rosner650154b2010-11-01 05:32:36 +000012980 bnx2x_ext_phy_hw_reset(bp, 0);
Yuval Mintzd2310232012-06-20 19:05:19 +000012981 usleep_range(5000, 10000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012982 for (port = 0; port < PORT_MAX; port++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012983 u32 shmem_base, shmem2_base;
12984
12985 /* In E2, same phy is using for port0 of the two paths */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012986 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012987 shmem_base = shmem_base_path[0];
12988 shmem2_base = shmem2_base_path[0];
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012989 } else {
12990 shmem_base = shmem_base_path[port];
12991 shmem2_base = shmem2_base_path[port];
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012992 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012993 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012994 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012995 port, &phy) !=
12996 0) {
12997 DP(NETIF_MSG_LINK, "populate phy failed\n");
12998 return -EINVAL;
12999 }
13000
13001 /* Reset phy*/
13002 bnx2x_cl45_write(bp, &phy,
13003 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
13004
13005
13006 /* Set fault module detected LED on */
13007 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000013008 MISC_REGISTERS_GPIO_HIGH,
13009 port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000013010 }
13011
13012 return 0;
13013}
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000013014static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
13015 u8 *io_gpio, u8 *io_port)
13016{
13017
13018 u32 phy_gpio_reset = REG_RD(bp, shmem_base +
13019 offsetof(struct shmem_region,
13020 dev_info.port_hw_config[PORT_0].default_cfg));
13021 switch (phy_gpio_reset) {
13022 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
13023 *io_gpio = 0;
13024 *io_port = 0;
13025 break;
13026 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
13027 *io_gpio = 1;
13028 *io_port = 0;
13029 break;
13030 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
13031 *io_gpio = 2;
13032 *io_port = 0;
13033 break;
13034 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
13035 *io_gpio = 3;
13036 *io_port = 0;
13037 break;
13038 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
13039 *io_gpio = 0;
13040 *io_port = 1;
13041 break;
13042 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
13043 *io_gpio = 1;
13044 *io_port = 1;
13045 break;
13046 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
13047 *io_gpio = 2;
13048 *io_port = 1;
13049 break;
13050 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
13051 *io_gpio = 3;
13052 *io_port = 1;
13053 break;
13054 default:
13055 /* Don't override the io_gpio and io_port */
13056 break;
13057 }
13058}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000013059
13060static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
13061 u32 shmem_base_path[],
13062 u32 shmem2_base_path[], u8 phy_index,
13063 u32 chip_id)
Eilon Greenstein4d295db2009-07-21 05:47:47 +000013064{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000013065 s8 port, reset_gpio;
Eilon Greenstein4d295db2009-07-21 05:47:47 +000013066 u32 swap_val, swap_override;
Yaniv Rosnere10bc842010-09-07 11:40:50 +000013067 struct bnx2x_phy phy[PORT_MAX];
13068 struct bnx2x_phy *phy_blk[PORT_MAX];
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013069 s8 port_of_path;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000013070 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13071 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000013072
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000013073 reset_gpio = MISC_REGISTERS_GPIO_1;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013074 port = 1;
13075
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000013076 /* Retrieve the reset gpio/port which control the reset.
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000013077 * Default is GPIO1, PORT1
13078 */
13079 bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
13080 (u8 *)&reset_gpio, (u8 *)&port);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013081
13082 /* Calculate the port based on port swap */
13083 port ^= (swap_val && swap_override);
13084
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000013085 /* Initiate PHY reset*/
13086 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
13087 port);
Yaniv Rosner503976e2012-11-27 03:46:34 +000013088 usleep_range(1000, 2000);
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000013089 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
13090 port);
13091
Yuval Mintzd2310232012-06-20 19:05:19 +000013092 usleep_range(5000, 10000);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000013093
13094 /* PART1 - Reset both phys */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013095 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013096 u32 shmem_base, shmem2_base;
13097
13098 /* In E2, same phy is using for port0 of the two paths */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000013099 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013100 shmem_base = shmem_base_path[0];
13101 shmem2_base = shmem2_base_path[0];
13102 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000013103 } else {
13104 shmem_base = shmem_base_path[port];
13105 shmem2_base = shmem2_base_path[port];
13106 port_of_path = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013107 }
13108
Eilon Greenstein4d295db2009-07-21 05:47:47 +000013109 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013110 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013111 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +000013112 0) {
13113 DP(NETIF_MSG_LINK, "populate phy failed\n");
13114 return -EINVAL;
13115 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000013116 /* disable attentions */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013117 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
13118 port_of_path*4,
13119 (NIG_MASK_XGXS0_LINK_STATUS |
13120 NIG_MASK_XGXS0_LINK10G |
13121 NIG_MASK_SERDES0_LINK_STATUS |
13122 NIG_MASK_MI_INT));
Eilon Greenstein4d295db2009-07-21 05:47:47 +000013123
Eilon Greenstein4d295db2009-07-21 05:47:47 +000013124
13125 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000013126 bnx2x_cl45_write(bp, &phy[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000013127 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000013128 }
13129
13130 /* Add delay of 150ms after reset */
13131 msleep(150);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000013132 if (phy[PORT_0].addr & 0x1) {
13133 phy_blk[PORT_0] = &(phy[PORT_1]);
13134 phy_blk[PORT_1] = &(phy[PORT_0]);
13135 } else {
13136 phy_blk[PORT_0] = &(phy[PORT_0]);
13137 phy_blk[PORT_1] = &(phy[PORT_1]);
13138 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000013139 /* PART2 - Download firmware to both phys */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000013140 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000013141 if (CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013142 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000013143 else
13144 port_of_path = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013145 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
13146 phy_blk[port]->addr);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +000013147 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
13148 port_of_path))
Eilon Greenstein4d295db2009-07-21 05:47:47 +000013149 return -EINVAL;
Yaniv Rosner85242ee2011-07-05 01:06:53 +000013150 /* Disable PHY transmitter output */
13151 bnx2x_cl45_write(bp, phy_blk[port],
13152 MDIO_PMA_DEVAD,
13153 MDIO_PMA_REG_TX_DISABLE, 1);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000013154
Yaniv Rosner5c99274b2011-01-18 04:33:36 +000013155 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000013156 return 0;
13157}
13158
Yaniv Rosner521683d2011-11-28 00:49:48 +000013159static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
13160 u32 shmem_base_path[],
13161 u32 shmem2_base_path[],
13162 u8 phy_index,
13163 u32 chip_id)
13164{
13165 u8 reset_gpios;
Yaniv Rosner521683d2011-11-28 00:49:48 +000013166 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
13167 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
13168 udelay(10);
13169 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
13170 DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
13171 reset_gpios);
Yaniv Rosner521683d2011-11-28 00:49:48 +000013172 return 0;
13173}
13174
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000013175static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
13176 u32 shmem2_base_path[], u8 phy_index,
13177 u32 ext_phy_type, u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -070013178{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000013179 int rc = 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070013180
13181 switch (ext_phy_type) {
13182 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013183 rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
13184 shmem2_base_path,
13185 phy_index, chip_id);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070013186 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +000013187 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Eilon Greenstein4d295db2009-07-21 05:47:47 +000013188 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
13189 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013190 rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
13191 shmem2_base_path,
13192 phy_index, chip_id);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000013193 break;
13194
Eilon Greenstein589abe32009-02-12 08:36:55 +000013195 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000013196 /* GPIO1 affects both ports, so there's need to pull
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000013197 * it for single port alone
13198 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013199 rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
13200 shmem2_base_path,
13201 phy_index, chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013202 break;
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000013203 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000013204 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000013205 /* GPIO3's are linked, and so both need to be toggled
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000013206 * to obtain required 2us pulse.
13207 */
Yaniv Rosner521683d2011-11-28 00:49:48 +000013208 rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
13209 shmem2_base_path,
13210 phy_index, chip_id);
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000013211 break;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013212 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
13213 rc = -EINVAL;
Yaniv Rosner4f60dab2009-11-05 19:18:23 +020013214 break;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070013215 default:
13216 DP(NETIF_MSG_LINK,
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000013217 "ext_phy 0x%x common init not required\n",
13218 ext_phy_type);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070013219 break;
13220 }
13221
Yuval Mintzd2310232012-06-20 19:05:19 +000013222 if (rc)
Yaniv Rosner6d870c32011-01-31 04:22:20 +000013223 netdev_err(bp->dev, "Warning: PHY was not initialized,"
13224 " Port %d\n",
13225 0);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070013226 return rc;
13227}
13228
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000013229int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
13230 u32 shmem2_base_path[], u32 chip_id)
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013231{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000013232 int rc = 0;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000013233 u32 phy_ver, val;
13234 u8 phy_index = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013235 u32 ext_phy_type, ext_phy_config;
Yaniv Rosner55386fe82012-11-27 03:46:30 +000013236
13237 bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
13238 bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013239 DP(NETIF_MSG_LINK, "Begin common phy init\n");
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000013240 if (CHIP_IS_E3(bp)) {
13241 /* Enable EPIO */
13242 val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
13243 REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
13244 }
Yaniv Rosnerb21a3422011-01-18 04:33:24 +000013245 /* Check if common init was already done */
13246 phy_ver = REG_RD(bp, shmem_base_path[0] +
13247 offsetof(struct shmem_region,
13248 port_mb[PORT_0].ext_phy_fw_version));
13249 if (phy_ver) {
13250 DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
13251 phy_ver);
13252 return 0;
13253 }
13254
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013255 /* Read the ext_phy_type for arbitrary port(0) */
13256 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13257 phy_index++) {
13258 ext_phy_config = bnx2x_get_ext_phy_config(bp,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013259 shmem_base_path[0],
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013260 phy_index, 0);
13261 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013262 rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
13263 shmem2_base_path,
13264 phy_index, ext_phy_type,
13265 chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013266 }
13267 return rc;
13268}
13269
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013270static void bnx2x_check_over_curr(struct link_params *params,
13271 struct link_vars *vars)
13272{
13273 struct bnx2x *bp = params->bp;
13274 u32 cfg_pin;
13275 u8 port = params->port;
13276 u32 pin_val;
13277
13278 cfg_pin = (REG_RD(bp, params->shmem_base +
13279 offsetof(struct shmem_region,
13280 dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
13281 PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
13282 PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
13283
13284 /* Ignore check if no external input PIN available */
13285 if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
13286 return;
13287
13288 if (!pin_val) {
13289 if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
13290 netdev_err(bp->dev, "Error: Power fault on Port %d has"
13291 " been detected and the power to "
13292 "that SFP+ module has been removed"
13293 " to prevent failure of the card."
13294 " Please remove the SFP+ module and"
13295 " restart the system to clear this"
13296 " error.\n",
13297 params->port);
13298 vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +000013299 bnx2x_warpcore_power_module(params, 0);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013300 }
13301 } else
13302 vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
13303}
13304
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013305/* Returns 0 if no change occured since last check; 1 otherwise. */
13306static u8 bnx2x_analyze_link_error(struct link_params *params,
13307 struct link_vars *vars, u32 status,
13308 u32 phy_flag, u32 link_flag, u8 notify)
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013309{
13310 struct bnx2x *bp = params->bp;
13311 /* Compare new value with previous value */
13312 u8 led_mode;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013313 u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013314
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013315 if ((status ^ old_status) == 0)
13316 return 0;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013317
13318 /* If values differ */
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013319 switch (phy_flag) {
13320 case PHY_HALF_OPEN_CONN_FLAG:
13321 DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
13322 break;
13323 case PHY_SFP_TX_FAULT_FLAG:
13324 DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
13325 break;
13326 default:
Masanari Iidaefc7ce02012-11-02 04:36:17 +000013327 DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013328 }
13329 DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
13330 old_status, status);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013331
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000013332 /* a. Update shmem->link_status accordingly
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013333 * b. Update link_vars->link_up
13334 */
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013335 if (status) {
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013336 vars->link_status &= ~LINK_STATUS_LINK_UP;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013337 vars->link_status |= link_flag;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013338 vars->link_up = 0;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013339 vars->phy_flags |= phy_flag;
Yaniv Rosner55098c52012-04-03 18:41:27 +000013340
13341 /* activate nig drain */
13342 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000013343 /* Set LED mode to off since the PHY doesn't know about these
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013344 * errors
13345 */
13346 led_mode = LED_MODE_OFF;
13347 } else {
13348 vars->link_status |= LINK_STATUS_LINK_UP;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013349 vars->link_status &= ~link_flag;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013350 vars->link_up = 1;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013351 vars->phy_flags &= ~phy_flag;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013352 led_mode = LED_MODE_OPER;
Yaniv Rosner55098c52012-04-03 18:41:27 +000013353
13354 /* Clear nig drain */
13355 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013356 }
Yaniv Rosner55098c52012-04-03 18:41:27 +000013357 bnx2x_sync_link(params, vars);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013358 /* Update the LED according to the link state */
13359 bnx2x_set_led(params, vars, led_mode, SPEED_10000);
13360
13361 /* Update link status in the shared memory */
13362 bnx2x_update_mng(params, vars->link_status);
13363
13364 /* C. Trigger General Attention */
13365 vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
Yaniv Rosner55098c52012-04-03 18:41:27 +000013366 if (notify)
13367 bnx2x_notify_link_changed(bp);
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013368
13369 return 1;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013370}
13371
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013372/******************************************************************************
13373* Description:
13374* This function checks for half opened connection change indication.
13375* When such change occurs, it calls the bnx2x_analyze_link_error
13376* to check if Remote Fault is set or cleared. Reception of remote fault
13377* status message in the MAC indicates that the peer's MAC has detected
13378* a fault, for example, due to break in the TX side of fiber.
13379*
13380******************************************************************************/
Yaniv Rosner55098c52012-04-03 18:41:27 +000013381int bnx2x_check_half_open_conn(struct link_params *params,
13382 struct link_vars *vars,
13383 u8 notify)
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013384{
13385 struct bnx2x *bp = params->bp;
13386 u32 lss_status = 0;
13387 u32 mac_base;
13388 /* In case link status is physically up @ 10G do */
Yaniv Rosner55098c52012-04-03 18:41:27 +000013389 if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
13390 (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
13391 return 0;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013392
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013393 if (CHIP_IS_E3(bp) &&
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013394 (REG_RD(bp, MISC_REG_RESET_REG_2) &
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013395 (MISC_REGISTERS_RESET_REG_2_XMAC))) {
13396 /* Check E3 XMAC */
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000013397 /* Note that link speed cannot be queried here, since it may be
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013398 * zero while link is down. In case UMAC is active, LSS will
13399 * simply not be set
13400 */
13401 mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
13402
13403 /* Clear stick bits (Requires rising edge) */
13404 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
13405 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
13406 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
13407 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
13408 if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
13409 lss_status = 1;
13410
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013411 bnx2x_analyze_link_error(params, vars, lss_status,
13412 PHY_HALF_OPEN_CONN_FLAG,
13413 LINK_STATUS_NONE, notify);
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013414 } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
13415 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013416 /* Check E1X / E2 BMAC */
13417 u32 lss_status_reg;
13418 u32 wb_data[2];
13419 mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
13420 NIG_REG_INGRESS_BMAC0_MEM;
13421 /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
13422 if (CHIP_IS_E2(bp))
13423 lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
13424 else
13425 lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
13426
13427 REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
13428 lss_status = (wb_data[0] > 0);
13429
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013430 bnx2x_analyze_link_error(params, vars, lss_status,
13431 PHY_HALF_OPEN_CONN_FLAG,
13432 LINK_STATUS_NONE, notify);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013433 }
Yaniv Rosner55098c52012-04-03 18:41:27 +000013434 return 0;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013435}
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013436static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
13437 struct link_params *params,
13438 struct link_vars *vars)
13439{
13440 struct bnx2x *bp = params->bp;
13441 u32 cfg_pin, value = 0;
13442 u8 led_change, port = params->port;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013443
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013444 /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
13445 cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
13446 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
13447 PORT_HW_CFG_E3_TX_FAULT_MASK) >>
13448 PORT_HW_CFG_E3_TX_FAULT_SHIFT;
13449
13450 if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
13451 DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
13452 return;
13453 }
13454
13455 led_change = bnx2x_analyze_link_error(params, vars, value,
13456 PHY_SFP_TX_FAULT_FLAG,
13457 LINK_STATUS_SFP_TX_FAULT, 1);
13458
13459 if (led_change) {
13460 /* Change TX_Fault led, set link status for further syncs */
13461 u8 led_mode;
13462
13463 if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
13464 led_mode = MISC_REGISTERS_GPIO_HIGH;
13465 vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
13466 } else {
13467 led_mode = MISC_REGISTERS_GPIO_LOW;
13468 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13469 }
13470
13471 /* If module is unapproved, led should be on regardless */
13472 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
13473 DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
13474 led_mode);
13475 bnx2x_set_e3_module_fault_led(params, led_mode);
13476 }
13477 }
13478}
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000013479static void bnx2x_kr2_recovery(struct link_params *params,
13480 struct link_vars *vars,
13481 struct bnx2x_phy *phy)
13482{
13483 struct bnx2x *bp = params->bp;
13484 DP(NETIF_MSG_LINK, "KR2 recovery\n");
13485 bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
13486 bnx2x_warpcore_restart_AN_KR(phy, params);
13487}
13488
13489static void bnx2x_check_kr2_wa(struct link_params *params,
13490 struct link_vars *vars,
13491 struct bnx2x_phy *phy)
13492{
13493 struct bnx2x *bp = params->bp;
13494 u16 base_page, next_page, not_kr2_device, lane;
Yaniv Rosnercb28ea32013-04-07 05:36:23 +000013495 int sigdet;
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000013496
Yaniv Rosner5f3347e2013-03-07 13:27:33 +000013497 /* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
Yaniv Rosner05fcaea2013-03-27 01:05:19 +000013498 * Since some switches tend to reinit the AN process and clear the
13499 * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
Yaniv Rosner5f3347e2013-03-07 13:27:33 +000013500 * and recovered many times
13501 */
13502 if (vars->check_kr2_recovery_cnt > 0) {
13503 vars->check_kr2_recovery_cnt--;
13504 return;
13505 }
Yaniv Rosnercb28ea32013-04-07 05:36:23 +000013506
13507 sigdet = bnx2x_warpcore_get_sigdet(phy, params);
13508 if (!sigdet) {
13509 if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13510 bnx2x_kr2_recovery(params, vars, phy);
13511 DP(NETIF_MSG_LINK, "No sigdet\n");
13512 }
13513 return;
13514 }
13515
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000013516 lane = bnx2x_get_warpcore_lane(phy, params);
13517 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
13518 MDIO_AER_BLOCK_AER_REG, lane);
13519 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13520 MDIO_AN_REG_LP_AUTO_NEG, &base_page);
13521 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13522 MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
13523 bnx2x_set_aer_mmd(params, phy);
13524
13525 /* CL73 has not begun yet */
13526 if (base_page == 0) {
Yaniv Rosner05fcaea2013-03-27 01:05:19 +000013527 if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000013528 bnx2x_kr2_recovery(params, vars, phy);
Yaniv Rosner05fcaea2013-03-27 01:05:19 +000013529 DP(NETIF_MSG_LINK, "No BP\n");
13530 }
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000013531 return;
13532 }
13533
13534 /* In case NP bit is not set in the BasePage, or it is set,
13535 * but only KX is advertised, declare this link partner as non-KR2
13536 * device.
13537 */
13538 not_kr2_device = (((base_page & 0x8000) == 0) ||
13539 (((base_page & 0x8000) &&
13540 ((next_page & 0xe0) == 0x2))));
13541
13542 /* In case KR2 is already disabled, check if we need to re-enable it */
13543 if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13544 if (!not_kr2_device) {
13545 DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
Yaniv Rosner05fcaea2013-03-27 01:05:19 +000013546 next_page);
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000013547 bnx2x_kr2_recovery(params, vars, phy);
13548 }
13549 return;
13550 }
13551 /* KR2 is enabled, but not KR2 device */
13552 if (not_kr2_device) {
13553 /* Disable KR2 on both lanes */
13554 DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
13555 bnx2x_disable_kr2(params, vars, phy);
Yaniv Rosner4e4b14c2013-09-22 14:59:23 +030013556 /* Restart AN on leading lane */
13557 bnx2x_warpcore_restart_AN_KR(phy, params);
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000013558 return;
13559 }
13560}
13561
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013562void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
13563{
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013564 u16 phy_idx;
Yaniv Rosner55098c52012-04-03 18:41:27 +000013565 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013566 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
13567 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
13568 bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
Yaniv Rosner55098c52012-04-03 18:41:27 +000013569 if (bnx2x_check_half_open_conn(params, vars, 1) !=
13570 0)
13571 DP(NETIF_MSG_LINK, "Fault detection failed\n");
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013572 break;
13573 }
13574 }
13575
Yaniv Rosnera9077bf2011-10-27 05:09:46 +000013576 if (CHIP_IS_E3(bp)) {
13577 struct bnx2x_phy *phy = &params->phy[INT_PHY];
13578 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000013579 if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
Yaniv Rosnerd521de02013-02-27 13:06:46 +000013580 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000013581 bnx2x_check_kr2_wa(params, vars, phy);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013582 bnx2x_check_over_curr(params, vars);
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013583 if (vars->rx_tx_asic_rst)
13584 bnx2x_warpcore_config_runtime(phy, params, vars);
13585
13586 if ((REG_RD(bp, params->shmem_base +
13587 offsetof(struct shmem_region, dev_info.
13588 port_hw_config[params->port].default_cfg))
13589 & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
13590 PORT_HW_CFG_NET_SERDES_IF_SFI) {
13591 if (bnx2x_is_sfp_module_plugged(phy, params)) {
13592 bnx2x_sfp_tx_fault_detection(phy, params, vars);
13593 } else if (vars->link_status &
13594 LINK_STATUS_SFP_TX_FAULT) {
13595 /* Clean trail, interrupt corrects the leds */
13596 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13597 vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
13598 /* Update link status in the shared memory */
13599 bnx2x_update_mng(params, vars->link_status);
13600 }
13601 }
Yaniv Rosnera9077bf2011-10-27 05:09:46 +000013602 }
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013603}
13604
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000013605u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
13606 u32 shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013607 u32 shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000013608 u8 port)
13609{
13610 u8 phy_index, fan_failure_det_req = 0;
13611 struct bnx2x_phy phy;
13612 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13613 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013614 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000013615 port, &phy)
13616 != 0) {
13617 DP(NETIF_MSG_LINK, "populate phy failed\n");
13618 return 0;
13619 }
13620 fan_failure_det_req |= (phy.flags &
13621 FLAGS_FAN_FAILURE_DET_REQ);
13622 }
13623 return fan_failure_det_req;
13624}
13625
13626void bnx2x_hw_reset_phy(struct link_params *params)
13627{
13628 u8 phy_index;
Yaniv Rosner985848f2011-07-05 01:06:48 +000013629 struct bnx2x *bp = params->bp;
13630 bnx2x_update_mng(params, 0);
13631 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
13632 (NIG_MASK_XGXS0_LINK_STATUS |
13633 NIG_MASK_XGXS0_LINK10G |
13634 NIG_MASK_SERDES0_LINK_STATUS |
13635 NIG_MASK_MI_INT));
13636
13637 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000013638 phy_index++) {
13639 if (params->phy[phy_index].hw_reset) {
13640 params->phy[phy_index].hw_reset(
13641 &params->phy[phy_index],
13642 params);
13643 params->phy[phy_index] = phy_null;
13644 }
13645 }
13646}
Yaniv Rosner020c7e32011-05-31 21:28:43 +000013647
13648void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
13649 u32 chip_id, u32 shmem_base, u32 shmem2_base,
13650 u8 port)
13651{
13652 u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
13653 u32 val;
13654 u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000013655 if (CHIP_IS_E3(bp)) {
13656 if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
13657 shmem_base,
13658 port,
13659 &gpio_num,
13660 &gpio_port) != 0)
13661 return;
13662 } else {
Yaniv Rosner020c7e32011-05-31 21:28:43 +000013663 struct bnx2x_phy phy;
13664 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13665 phy_index++) {
13666 if (bnx2x_populate_phy(bp, phy_index, shmem_base,
13667 shmem2_base, port, &phy)
13668 != 0) {
13669 DP(NETIF_MSG_LINK, "populate phy failed\n");
13670 return;
13671 }
13672 if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
13673 gpio_num = MISC_REGISTERS_GPIO_3;
13674 gpio_port = port;
13675 break;
13676 }
13677 }
13678 }
13679
13680 if (gpio_num == 0xff)
13681 return;
13682
13683 /* Set GPIO3 to trigger SFP+ module insertion/removal */
13684 bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
13685
13686 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13687 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13688 gpio_port ^= (swap_val && swap_override);
13689
13690 vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
13691 (gpio_num + (gpio_port << 2));
13692
13693 sync_offset = shmem_base +
13694 offsetof(struct shmem_region,
13695 dev_info.port_hw_config[port].aeu_int_mask);
13696 REG_WR(bp, sync_offset, vars->aeu_int_mask);
13697
13698 DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
13699 gpio_num, gpio_port, vars->aeu_int_mask);
13700
13701 if (port == 0)
13702 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
13703 else
13704 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
13705
13706 /* Open appropriate AEU for interrupts */
13707 aeu_mask = REG_RD(bp, offset);
13708 aeu_mask |= vars->aeu_int_mask;
13709 REG_WR(bp, offset, aeu_mask);
13710
13711 /* Enable the GPIO to trigger interrupt */
13712 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
13713 val |= 1 << (gpio_num + (gpio_port << 2));
13714 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
13715}