blob: 859df751345e6f9707ca1a402d95cf9685a37419 [file] [log] [blame]
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 Rosnerea4e0402008-06-23 20:27:26 -070030/********************************************************/
Eilon Greenstein3196a882008-08-13 15:58:49 -070031#define ETH_HLEN 14
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000032/* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
33#define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070034#define ETH_MIN_PACKET_SIZE 60
35#define ETH_MAX_PACKET_SIZE 1500
36#define ETH_MAX_JUMBO_PACKET_SIZE 9600
37#define MDIO_ACCESS_TIMEOUT 1000
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000038#define WC_LANE_MAX 4
39#define I2C_SWITCH_WIDTH 2
40#define I2C_BSC0 0
41#define I2C_BSC1 1
42#define I2C_WA_RETRY_CNT 3
Yuval Mintz50a29842012-06-16 20:27:14 +000043#define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000044#define MCPR_IMC_COMMAND_READ_OP 1
45#define MCPR_IMC_COMMAND_WRITE_OP 2
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070046
Yaniv Rosner26ffaf32011-10-27 05:09:45 +000047/* LED Blink rate that will achieve ~15.9Hz */
48#define LED_BLINK_RATE_VAL_E3 354
49#define LED_BLINK_RATE_VAL_E1X_E2 480
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070050/***********************************************************/
Eilon Greenstein3196a882008-08-13 15:58:49 -070051/* Shortcut definitions */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070052/***********************************************************/
53
Eilon Greenstein2f904462009-08-12 08:22:16 +000054#define NIG_LATCH_BC_ENABLE_MI_INT 0
55
56#define NIG_STATUS_EMAC0_MI_INT \
57 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070058#define NIG_STATUS_XGXS0_LINK10G \
59 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
60#define NIG_STATUS_XGXS0_LINK_STATUS \
61 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
62#define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
63 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
64#define NIG_STATUS_SERDES0_LINK_STATUS \
65 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
66#define NIG_MASK_MI_INT \
67 NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
68#define NIG_MASK_XGXS0_LINK10G \
69 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
70#define NIG_MASK_XGXS0_LINK_STATUS \
71 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
72#define NIG_MASK_SERDES0_LINK_STATUS \
73 NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
74
75#define MDIO_AN_CL73_OR_37_COMPLETE \
76 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
77 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
78
79#define XGXS_RESET_BITS \
80 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
81 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
82 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
83 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
84 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
85
86#define SERDES_RESET_BITS \
87 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
88 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
89 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
90 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
91
92#define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
93#define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000094#define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
Eilon Greenstein3196a882008-08-13 15:58:49 -070095#define AUTONEG_PARALLEL \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070096 SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
Eilon Greenstein3196a882008-08-13 15:58:49 -070097#define AUTONEG_SGMII_FIBER_AUTODET \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070098 SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
Eilon Greenstein3196a882008-08-13 15:58:49 -070099#define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700100
101#define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
102 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
103#define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
104 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
105#define GP_STATUS_SPEED_MASK \
106 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
107#define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
108#define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
109#define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
110#define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
111#define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
112#define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
113#define GP_STATUS_10G_HIG \
114 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
115#define GP_STATUS_10G_CX4 \
116 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700117#define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
118#define GP_STATUS_10G_KX4 \
119 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000120#define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
121#define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
122#define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
123#define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
Yaniv Rosner4e7b4992012-11-27 03:46:29 +0000124#define GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000125#define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
126#define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700127#define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000128#define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700129#define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
130#define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
131#define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
132#define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
133#define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
134#define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
135#define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000136#define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
137#define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000138#define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
139#define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
Yaniv Rosner6583e332011-06-14 01:34:17 +0000140
Yaniv Rosner49781402012-10-31 05:46:55 +0000141#define LINK_UPDATE_MASK \
142 (LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
143 LINK_STATUS_LINK_UP | \
144 LINK_STATUS_PHYSICAL_LINK_FLAG | \
145 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
146 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
147 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
148 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
149 LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
150 LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
Yaniv Rosner6583e332011-06-14 01:34:17 +0000151
Eilon Greenstein589abe32009-02-12 08:36:55 +0000152#define SFP_EEPROM_CON_TYPE_ADDR 0x2
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000153 #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
Eilon Greenstein589abe32009-02-12 08:36:55 +0000154 #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
155
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000156
157#define SFP_EEPROM_COMP_CODE_ADDR 0x3
158 #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
159 #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
160 #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
161
Eilon Greenstein589abe32009-02-12 08:36:55 +0000162#define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
163 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000164 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000165
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000166#define SFP_EEPROM_OPTIONS_ADDR 0x40
Eilon Greenstein589abe32009-02-12 08:36:55 +0000167 #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000168#define SFP_EEPROM_OPTIONS_SIZE 2
Eilon Greenstein589abe32009-02-12 08:36:55 +0000169
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000170#define EDC_MODE_LINEAR 0x0022
171#define EDC_MODE_LIMITING 0x0044
172#define EDC_MODE_PASSIVE_DAC 0x0055
Eilon Greenstein589abe32009-02-12 08:36:55 +0000173
Yaniv Rosner866ceda2011-11-28 00:49:45 +0000174/* ETS defines*/
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000175#define DCBX_INVALID_COS (0xFF)
176
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000177#define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
178#define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000179#define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
180#define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
181#define ETS_E3B0_PBF_MIN_W_VAL (10000)
182
183#define MAX_PACKET_SIZE (9700)
Yaniv Rosnera9077bf2011-10-27 05:09:46 +0000184#define MAX_KR_LINK_RETRY 4
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000185
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700186/**********************************************************/
187/* INTERFACE */
188/**********************************************************/
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000189
Yaniv Rosnercd2be892011-01-31 04:21:45 +0000190#define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000191 bnx2x_cl45_write(_bp, _phy, \
Yaniv Rosner7aa07112010-09-07 11:41:01 +0000192 (_phy)->def_md_devad, \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700193 (_bank + (_addr & 0xf)), \
194 _val)
195
Yaniv Rosnercd2be892011-01-31 04:21:45 +0000196#define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000197 bnx2x_cl45_read(_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 Rosnerea4e0402008-06-23 20:27:26 -0700202static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
203{
204 u32 val = REG_RD(bp, reg);
205
206 val |= bits;
207 REG_WR(bp, reg, val);
208 return val;
209}
210
211static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
212{
213 u32 val = REG_RD(bp, reg);
214
215 val &= ~bits;
216 REG_WR(bp, reg, val);
217 return val;
218}
219
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +0000220/*
221 * bnx2x_check_lfa - This function checks if link reinitialization is required,
222 * or link flap can be avoided.
223 *
224 * @params: link parameters
225 * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
226 * condition code.
227 */
228static int bnx2x_check_lfa(struct link_params *params)
229{
230 u32 link_status, cfg_idx, lfa_mask, cfg_size;
231 u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
232 u32 saved_val, req_val, eee_status;
233 struct bnx2x *bp = params->bp;
234
235 additional_config =
236 REG_RD(bp, params->lfa_base +
237 offsetof(struct shmem_lfa, additional_config));
238
239 /* NOTE: must be first condition checked -
240 * to verify DCC bit is cleared in any case!
241 */
242 if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
243 DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
244 REG_WR(bp, params->lfa_base +
245 offsetof(struct shmem_lfa, additional_config),
246 additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
247 return LFA_DCC_LFA_DISABLED;
248 }
249
250 /* Verify that link is up */
251 link_status = REG_RD(bp, params->shmem_base +
252 offsetof(struct shmem_region,
253 port_mb[params->port].link_status));
254 if (!(link_status & LINK_STATUS_LINK_UP))
255 return LFA_LINK_DOWN;
256
Barak Witkowskic63da992012-12-05 23:04:03 +0000257 /* if loaded after BOOT from SAN, don't flap the link in any case and
258 * rely on link set by preboot driver
259 */
260 if (params->feature_config_flags & FEATURE_CONFIG_BOOT_FROM_SAN)
261 return 0;
262
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +0000263 /* Verify that loopback mode is not set */
264 if (params->loopback_mode)
265 return LFA_LOOPBACK_ENABLED;
266
267 /* Verify that MFW supports LFA */
268 if (!params->lfa_base)
269 return LFA_MFW_IS_TOO_OLD;
270
271 if (params->num_phys == 3) {
272 cfg_size = 2;
273 lfa_mask = 0xffffffff;
274 } else {
275 cfg_size = 1;
276 lfa_mask = 0xffff;
277 }
278
279 /* Compare Duplex */
280 saved_val = REG_RD(bp, params->lfa_base +
281 offsetof(struct shmem_lfa, req_duplex));
282 req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
283 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
284 DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
285 (saved_val & lfa_mask), (req_val & lfa_mask));
286 return LFA_DUPLEX_MISMATCH;
287 }
288 /* Compare Flow Control */
289 saved_val = REG_RD(bp, params->lfa_base +
290 offsetof(struct shmem_lfa, req_flow_ctrl));
291 req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
292 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
293 DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
294 (saved_val & lfa_mask), (req_val & lfa_mask));
295 return LFA_FLOW_CTRL_MISMATCH;
296 }
297 /* Compare Link Speed */
298 saved_val = REG_RD(bp, params->lfa_base +
299 offsetof(struct shmem_lfa, req_line_speed));
300 req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
301 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
302 DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
303 (saved_val & lfa_mask), (req_val & lfa_mask));
304 return LFA_LINK_SPEED_MISMATCH;
305 }
306
307 for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
308 cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
309 offsetof(struct shmem_lfa,
310 speed_cap_mask[cfg_idx]));
311
312 if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
313 DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
314 cur_speed_cap_mask,
315 params->speed_cap_mask[cfg_idx]);
316 return LFA_SPEED_CAP_MISMATCH;
317 }
318 }
319
320 cur_req_fc_auto_adv =
321 REG_RD(bp, params->lfa_base +
322 offsetof(struct shmem_lfa, additional_config)) &
323 REQ_FC_AUTO_ADV_MASK;
324
325 if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
326 DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
327 cur_req_fc_auto_adv, params->req_fc_auto_adv);
328 return LFA_FLOW_CTRL_MISMATCH;
329 }
330
331 eee_status = REG_RD(bp, params->shmem2_base +
332 offsetof(struct shmem2_region,
333 eee_status[params->port]));
334
335 if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
336 (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
337 ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
338 (params->eee_mode & EEE_MODE_ADV_LPI))) {
339 DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
340 eee_status);
341 return LFA_EEE_MISMATCH;
342 }
343
344 /* LFA conditions are met */
345 return 0;
346}
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000347/******************************************************************/
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000348/* EPIO/GPIO section */
349/******************************************************************/
Yaniv Rosner3deb8162011-06-14 01:34:33 +0000350static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
351{
352 u32 epio_mask, gp_oenable;
353 *en = 0;
354 /* Sanity check */
355 if (epio_pin > 31) {
356 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
357 return;
358 }
359
360 epio_mask = 1 << epio_pin;
361 /* Set this EPIO to output */
362 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
363 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
364
365 *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
366}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000367static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
368{
369 u32 epio_mask, gp_output, gp_oenable;
370
371 /* Sanity check */
372 if (epio_pin > 31) {
373 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
374 return;
375 }
376 DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
377 epio_mask = 1 << epio_pin;
378 /* Set this EPIO to output */
379 gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
380 if (en)
381 gp_output |= epio_mask;
382 else
383 gp_output &= ~epio_mask;
384
385 REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
386
387 /* Set the value for this EPIO */
388 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
389 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
390}
391
392static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
393{
394 if (pin_cfg == PIN_CFG_NA)
395 return;
396 if (pin_cfg >= PIN_CFG_EPIO0) {
397 bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
398 } else {
399 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
400 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
401 bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
402 }
403}
404
Yaniv Rosner3deb8162011-06-14 01:34:33 +0000405static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
406{
407 if (pin_cfg == PIN_CFG_NA)
408 return -EINVAL;
409 if (pin_cfg >= PIN_CFG_EPIO0) {
410 bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
411 } else {
412 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
413 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
414 *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
415 }
416 return 0;
417
418}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000419/******************************************************************/
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000420/* ETS section */
421/******************************************************************/
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000422static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000423{
424 /* ETS disabled configuration*/
425 struct bnx2x *bp = params->bp;
426
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000427 DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000428
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000429 /* mapping between entry priority to client number (0,1,2 -debug and
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000430 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
431 * 3bits client num.
432 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
433 * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
434 */
435
436 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000437 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000438 * as strict. Bits 0,1,2 - debug and management entries, 3 -
439 * COS0 entry, 4 - COS1 entry.
440 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
441 * bit4 bit3 bit2 bit1 bit0
442 * MCP and debug are strict
443 */
444
445 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
446 /* defines which entries (clients) are subjected to WFQ arbitration */
447 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000448 /* For strict priority entries defines the number of consecutive
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000449 * slots for the highest priority.
450 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000451 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000452 /* mapping between the CREDIT_WEIGHT registers and actual client
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000453 * numbers
454 */
455 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
456 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
457 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
458
459 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
460 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
461 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
462 /* ETS mode disable */
463 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000464 /* If ETS mode is enabled (there is no strict priority) defines a WFQ
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000465 * weight for COS0/COS1.
466 */
467 REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
468 REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
469 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
470 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
471 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
472 /* Defines the number of consecutive slots for the strict priority */
473 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
474}
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000475/******************************************************************************
476* Description:
477* Getting min_w_val will be set according to line speed .
478*.
479******************************************************************************/
480static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
481{
482 u32 min_w_val = 0;
483 /* Calculate min_w_val.*/
484 if (vars->link_up) {
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000485 if (vars->line_speed == SPEED_20000)
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000486 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
487 else
488 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
489 } else
490 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000491 /* If the link isn't up (static configuration for example ) The
492 * link will be according to 20GBPS.
493 */
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000494 return min_w_val;
495}
496/******************************************************************************
497* Description:
498* Getting credit upper bound form min_w_val.
499*.
500******************************************************************************/
501static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
502{
503 const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
504 MAX_PACKET_SIZE);
505 return credit_upper_bound;
506}
507/******************************************************************************
508* Description:
509* Set credit upper bound for NIG.
510*.
511******************************************************************************/
512static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
513 const struct link_params *params,
514 const u32 min_w_val)
515{
516 struct bnx2x *bp = params->bp;
517 const u8 port = params->port;
518 const u32 credit_upper_bound =
519 bnx2x_ets_get_credit_upper_bound(min_w_val);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000520
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000521 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
522 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
523 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
524 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
525 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
526 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
527 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
528 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
529 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
530 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
531 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
532 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
533
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000534 if (!port) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000535 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
536 credit_upper_bound);
537 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
538 credit_upper_bound);
539 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
540 credit_upper_bound);
541 }
542}
543/******************************************************************************
544* Description:
545* Will return the NIG ETS registers to init values.Except
546* credit_upper_bound.
547* That isn't used in this configuration (No WFQ is enabled) and will be
548* configured acording to spec
549*.
550******************************************************************************/
551static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
552 const struct link_vars *vars)
553{
554 struct bnx2x *bp = params->bp;
555 const u8 port = params->port;
556 const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000557 /* Mapping between entry priority to client number (0,1,2 -debug and
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000558 * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
559 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
560 * reset value or init tool
561 */
562 if (port) {
563 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
564 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
565 } else {
566 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
567 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
568 }
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000569 /* For strict priority entries defines the number of consecutive
570 * slots for the highest priority.
571 */
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000572 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
573 NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000574 /* Mapping between the CREDIT_WEIGHT registers and actual client
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000575 * numbers
576 */
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000577 if (port) {
578 /*Port 1 has 6 COS*/
579 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
580 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
581 } else {
582 /*Port 0 has 9 COS*/
583 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
584 0x43210876);
585 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
586 }
587
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000588 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000589 * as strict. Bits 0,1,2 - debug and management entries, 3 -
590 * COS0 entry, 4 - COS1 entry.
591 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
592 * bit4 bit3 bit2 bit1 bit0
593 * MCP and debug are strict
594 */
595 if (port)
596 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
597 else
598 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
599 /* defines which entries (clients) are subjected to WFQ arbitration */
600 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
601 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
602
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000603 /* Please notice the register address are note continuous and a
604 * for here is note appropriate.In 2 port mode port0 only COS0-5
605 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
606 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
607 * are never used for WFQ
608 */
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000609 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
610 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
611 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
612 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
613 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
614 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
615 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
616 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
617 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
618 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
619 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
620 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000621 if (!port) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000622 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
623 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
624 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
625 }
626
627 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
628}
629/******************************************************************************
630* Description:
631* Set credit upper bound for PBF.
632*.
633******************************************************************************/
634static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
635 const struct link_params *params,
636 const u32 min_w_val)
637{
638 struct bnx2x *bp = params->bp;
639 const u32 credit_upper_bound =
640 bnx2x_ets_get_credit_upper_bound(min_w_val);
641 const u8 port = params->port;
642 u32 base_upper_bound = 0;
643 u8 max_cos = 0;
644 u8 i = 0;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000645 /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
646 * port mode port1 has COS0-2 that can be used for WFQ.
647 */
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000648 if (!port) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000649 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
650 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
651 } else {
652 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
653 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
654 }
655
656 for (i = 0; i < max_cos; i++)
657 REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
658}
659
660/******************************************************************************
661* Description:
662* Will return the PBF ETS registers to init values.Except
663* credit_upper_bound.
664* That isn't used in this configuration (No WFQ is enabled) and will be
665* configured acording to spec
666*.
667******************************************************************************/
668static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
669{
670 struct bnx2x *bp = params->bp;
671 const u8 port = params->port;
672 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
673 u8 i = 0;
674 u32 base_weight = 0;
675 u8 max_cos = 0;
676
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000677 /* Mapping between entry priority to client number 0 - COS0
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000678 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
679 * TODO_ETS - Should be done by reset value or init tool
680 */
681 if (port)
682 /* 0x688 (|011|0 10|00 1|000) */
683 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
684 else
685 /* (10 1|100 |011|0 10|00 1|000) */
686 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
687
688 /* TODO_ETS - Should be done by reset value or init tool */
689 if (port)
690 /* 0x688 (|011|0 10|00 1|000)*/
691 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
692 else
693 /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
694 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
695
696 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
697 PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
698
699
700 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
701 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
702
703 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
704 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000705 /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
706 * In 4 port mode port1 has COS0-2 that can be used for WFQ.
707 */
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000708 if (!port) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000709 base_weight = PBF_REG_COS0_WEIGHT_P0;
710 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
711 } else {
712 base_weight = PBF_REG_COS0_WEIGHT_P1;
713 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
714 }
715
716 for (i = 0; i < max_cos; i++)
717 REG_WR(bp, base_weight + (0x4 * i), 0);
718
719 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
720}
721/******************************************************************************
722* Description:
723* E3B0 disable will return basicly the values to init values.
724*.
725******************************************************************************/
726static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
727 const struct link_vars *vars)
728{
729 struct bnx2x *bp = params->bp;
730
731 if (!CHIP_IS_E3B0(bp)) {
Joe Perches94f05b02011-08-14 12:16:20 +0000732 DP(NETIF_MSG_LINK,
733 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000734 return -EINVAL;
735 }
736
737 bnx2x_ets_e3b0_nig_disabled(params, vars);
738
739 bnx2x_ets_e3b0_pbf_disabled(params);
740
741 return 0;
742}
743
744/******************************************************************************
745* Description:
746* Disable will return basicly the values to init values.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000747*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000748******************************************************************************/
749int bnx2x_ets_disabled(struct link_params *params,
750 struct link_vars *vars)
751{
752 struct bnx2x *bp = params->bp;
753 int bnx2x_status = 0;
754
755 if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
756 bnx2x_ets_e2e3a0_disabled(params);
757 else if (CHIP_IS_E3B0(bp))
758 bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
759 else {
760 DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
761 return -EINVAL;
762 }
763
764 return bnx2x_status;
765}
766
767/******************************************************************************
768* Description
769* Set the COS mappimg to SP and BW until this point all the COS are not
770* set as SP or BW.
771******************************************************************************/
772static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
773 const struct bnx2x_ets_params *ets_params,
774 const u8 cos_sp_bitmap,
775 const u8 cos_bw_bitmap)
776{
777 struct bnx2x *bp = params->bp;
778 const u8 port = params->port;
779 const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
780 const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
781 const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
782 const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
783
784 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
785 NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
786
787 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
788 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
789
790 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
791 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
792 nig_cli_subject2wfq_bitmap);
793
794 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
795 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
796 pbf_cli_subject2wfq_bitmap);
797
798 return 0;
799}
800
801/******************************************************************************
802* Description:
803* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
804* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
805******************************************************************************/
806static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
807 const u8 cos_entry,
808 const u32 min_w_val_nig,
809 const u32 min_w_val_pbf,
810 const u16 total_bw,
811 const u8 bw,
812 const u8 port)
813{
814 u32 nig_reg_adress_crd_weight = 0;
815 u32 pbf_reg_adress_crd_weight = 0;
David S. Miller8decf862011-09-22 03:23:13 -0400816 /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
817 const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
818 const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000819
820 switch (cos_entry) {
821 case 0:
822 nig_reg_adress_crd_weight =
823 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
824 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
825 pbf_reg_adress_crd_weight = (port) ?
826 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
827 break;
828 case 1:
829 nig_reg_adress_crd_weight = (port) ?
830 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
831 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
832 pbf_reg_adress_crd_weight = (port) ?
833 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
834 break;
835 case 2:
836 nig_reg_adress_crd_weight = (port) ?
837 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
838 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
839
840 pbf_reg_adress_crd_weight = (port) ?
841 PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
842 break;
843 case 3:
844 if (port)
845 return -EINVAL;
846 nig_reg_adress_crd_weight =
847 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
848 pbf_reg_adress_crd_weight =
849 PBF_REG_COS3_WEIGHT_P0;
850 break;
851 case 4:
852 if (port)
853 return -EINVAL;
854 nig_reg_adress_crd_weight =
855 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
856 pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
857 break;
858 case 5:
859 if (port)
860 return -EINVAL;
861 nig_reg_adress_crd_weight =
862 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
863 pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
864 break;
865 }
866
867 REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
868
869 REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
870
871 return 0;
872}
873/******************************************************************************
874* Description:
875* Calculate the total BW.A value of 0 isn't legal.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000876*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000877******************************************************************************/
878static int bnx2x_ets_e3b0_get_total_bw(
879 const struct link_params *params,
Yaniv Rosner870516e12011-11-28 00:49:46 +0000880 struct bnx2x_ets_params *ets_params,
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000881 u16 *total_bw)
882{
883 struct bnx2x *bp = params->bp;
884 u8 cos_idx = 0;
Yaniv Rosner870516e12011-11-28 00:49:46 +0000885 u8 is_bw_cos_exist = 0;
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000886
887 *total_bw = 0 ;
888 /* Calculate total BW requested */
889 for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000890 if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
Yaniv Rosner870516e12011-11-28 00:49:46 +0000891 is_bw_cos_exist = 1;
892 if (!ets_params->cos[cos_idx].params.bw_params.bw) {
893 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
894 "was set to 0\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000895 /* This is to prevent a state when ramrods
Yaniv Rosner870516e12011-11-28 00:49:46 +0000896 * can't be sent
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000897 */
Yaniv Rosner870516e12011-11-28 00:49:46 +0000898 ets_params->cos[cos_idx].params.bw_params.bw
899 = 1;
900 }
David S. Miller8decf862011-09-22 03:23:13 -0400901 *total_bw +=
902 ets_params->cos[cos_idx].params.bw_params.bw;
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000903 }
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000904 }
905
David S. Miller8decf862011-09-22 03:23:13 -0400906 /* Check total BW is valid */
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000907 if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
908 if (*total_bw == 0) {
Joe Perches94f05b02011-08-14 12:16:20 +0000909 DP(NETIF_MSG_LINK,
Yaniv Rosner2f751a82011-11-28 00:49:52 +0000910 "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000911 return -EINVAL;
912 }
Joe Perches94f05b02011-08-14 12:16:20 +0000913 DP(NETIF_MSG_LINK,
Yaniv Rosner2f751a82011-11-28 00:49:52 +0000914 "bnx2x_ets_E3B0_config total BW should be 100\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000915 /* We can handle a case whre the BW isn't 100 this can happen
Yaniv Rosner2f751a82011-11-28 00:49:52 +0000916 * if the TC are joined.
917 */
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000918 }
919 return 0;
920}
921
922/******************************************************************************
923* Description:
924* Invalidate all the sp_pri_to_cos.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000925*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000926******************************************************************************/
927static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
928{
929 u8 pri = 0;
930 for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
931 sp_pri_to_cos[pri] = DCBX_INVALID_COS;
932}
933/******************************************************************************
934* Description:
935* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
936* according to sp_pri_to_cos.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000937*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000938******************************************************************************/
939static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
940 u8 *sp_pri_to_cos, const u8 pri,
941 const u8 cos_entry)
942{
943 struct bnx2x *bp = params->bp;
944 const u8 port = params->port;
945 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
946 DCBX_E3B0_MAX_NUM_COS_PORT0;
947
Dan Carpenter7e5998a2012-04-17 20:53:42 +0000948 if (pri >= max_num_of_cos) {
949 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
950 "parameter Illegal strict priority\n");
951 return -EINVAL;
952 }
953
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000954 if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000955 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
Joe Perches94f05b02011-08-14 12:16:20 +0000956 "parameter There can't be two COS's with "
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000957 "the same strict pri\n");
958 return -EINVAL;
959 }
960
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000961 sp_pri_to_cos[pri] = cos_entry;
962 return 0;
963
964}
965
966/******************************************************************************
967* Description:
968* Returns the correct value according to COS and priority in
969* the sp_pri_cli register.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000970*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000971******************************************************************************/
972static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
973 const u8 pri_set,
974 const u8 pri_offset,
975 const u8 entry_size)
976{
977 u64 pri_cli_nig = 0;
978 pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
979 (pri_set + pri_offset));
980
981 return pri_cli_nig;
982}
983/******************************************************************************
984* Description:
985* Returns the correct value according to COS and priority in the
986* sp_pri_cli register for NIG.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000987*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000988******************************************************************************/
989static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
990{
991 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
992 const u8 nig_cos_offset = 3;
993 const u8 nig_pri_offset = 3;
994
995 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
996 nig_pri_offset, 4);
997
998}
999/******************************************************************************
1000* Description:
1001* Returns the correct value according to COS and priority in the
1002* sp_pri_cli register for PBF.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001003*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001004******************************************************************************/
1005static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
1006{
1007 const u8 pbf_cos_offset = 0;
1008 const u8 pbf_pri_offset = 0;
1009
1010 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
1011 pbf_pri_offset, 3);
1012
1013}
1014
1015/******************************************************************************
1016* Description:
1017* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
1018* according to sp_pri_to_cos.(which COS has higher priority)
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001019*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001020******************************************************************************/
1021static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
1022 u8 *sp_pri_to_cos)
1023{
1024 struct bnx2x *bp = params->bp;
1025 u8 i = 0;
1026 const u8 port = params->port;
1027 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
1028 u64 pri_cli_nig = 0x210;
1029 u32 pri_cli_pbf = 0x0;
1030 u8 pri_set = 0;
1031 u8 pri_bitmask = 0;
1032 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1033 DCBX_E3B0_MAX_NUM_COS_PORT0;
1034
1035 u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
1036
1037 /* Set all the strict priority first */
1038 for (i = 0; i < max_num_of_cos; i++) {
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001039 if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
1040 if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001041 DP(NETIF_MSG_LINK,
1042 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1043 "invalid cos entry\n");
1044 return -EINVAL;
1045 }
1046
1047 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1048 sp_pri_to_cos[i], pri_set);
1049
1050 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1051 sp_pri_to_cos[i], pri_set);
1052 pri_bitmask = 1 << sp_pri_to_cos[i];
1053 /* COS is used remove it from bitmap.*/
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001054 if (!(pri_bitmask & cos_bit_to_set)) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001055 DP(NETIF_MSG_LINK,
1056 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1057 "invalid There can't be two COS's with"
1058 " the same strict pri\n");
1059 return -EINVAL;
1060 }
1061 cos_bit_to_set &= ~pri_bitmask;
1062 pri_set++;
1063 }
1064 }
1065
1066 /* Set all the Non strict priority i= COS*/
1067 for (i = 0; i < max_num_of_cos; i++) {
1068 pri_bitmask = 1 << i;
1069 /* Check if COS was already used for SP */
1070 if (pri_bitmask & cos_bit_to_set) {
1071 /* COS wasn't used for SP */
1072 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1073 i, pri_set);
1074
1075 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1076 i, pri_set);
1077 /* COS is used remove it from bitmap.*/
1078 cos_bit_to_set &= ~pri_bitmask;
1079 pri_set++;
1080 }
1081 }
1082
1083 if (pri_set != max_num_of_cos) {
1084 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
1085 "entries were set\n");
1086 return -EINVAL;
1087 }
1088
1089 if (port) {
1090 /* Only 6 usable clients*/
1091 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1092 (u32)pri_cli_nig);
1093
1094 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
1095 } else {
1096 /* Only 9 usable clients*/
1097 const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
1098 const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
1099
1100 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1101 pri_cli_nig_lsb);
1102 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1103 pri_cli_nig_msb);
1104
1105 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
1106 }
1107 return 0;
1108}
1109
1110/******************************************************************************
1111* Description:
1112* Configure the COS to ETS according to BW and SP settings.
1113******************************************************************************/
1114int bnx2x_ets_e3b0_config(const struct link_params *params,
1115 const struct link_vars *vars,
Yaniv Rosner870516e12011-11-28 00:49:46 +00001116 struct bnx2x_ets_params *ets_params)
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001117{
1118 struct bnx2x *bp = params->bp;
1119 int bnx2x_status = 0;
1120 const u8 port = params->port;
1121 u16 total_bw = 0;
1122 const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
1123 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
1124 u8 cos_bw_bitmap = 0;
1125 u8 cos_sp_bitmap = 0;
1126 u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
1127 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1128 DCBX_E3B0_MAX_NUM_COS_PORT0;
1129 u8 cos_entry = 0;
1130
1131 if (!CHIP_IS_E3B0(bp)) {
Joe Perches94f05b02011-08-14 12:16:20 +00001132 DP(NETIF_MSG_LINK,
1133 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001134 return -EINVAL;
1135 }
1136
1137 if ((ets_params->num_of_cos > max_num_of_cos)) {
1138 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
1139 "isn't supported\n");
1140 return -EINVAL;
1141 }
1142
1143 /* Prepare sp strict priority parameters*/
1144 bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1145
1146 /* Prepare BW parameters*/
1147 bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
1148 &total_bw);
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001149 if (bnx2x_status) {
Joe Perches94f05b02011-08-14 12:16:20 +00001150 DP(NETIF_MSG_LINK,
1151 "bnx2x_ets_E3B0_config get_total_bw failed\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001152 return -EINVAL;
1153 }
1154
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001155 /* Upper bound is set according to current link speed (min_w_val
Yaniv Rosner2f751a82011-11-28 00:49:52 +00001156 * should be the same for upper bound and COS credit val).
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001157 */
1158 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
1159 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1160
1161
1162 for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
1163 if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
1164 cos_bw_bitmap |= (1 << cos_entry);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001165 /* The function also sets the BW in HW(not the mappin
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001166 * yet)
1167 */
1168 bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
1169 bp, cos_entry, min_w_val_nig, min_w_val_pbf,
1170 total_bw,
1171 ets_params->cos[cos_entry].params.bw_params.bw,
1172 port);
1173 } else if (bnx2x_cos_state_strict ==
1174 ets_params->cos[cos_entry].state){
1175 cos_sp_bitmap |= (1 << cos_entry);
1176
1177 bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
1178 params,
1179 sp_pri_to_cos,
1180 ets_params->cos[cos_entry].params.sp_params.pri,
1181 cos_entry);
1182
1183 } else {
Joe Perches94f05b02011-08-14 12:16:20 +00001184 DP(NETIF_MSG_LINK,
1185 "bnx2x_ets_e3b0_config cos state not valid\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001186 return -EINVAL;
1187 }
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001188 if (bnx2x_status) {
Joe Perches94f05b02011-08-14 12:16:20 +00001189 DP(NETIF_MSG_LINK,
1190 "bnx2x_ets_e3b0_config set cos bw failed\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001191 return bnx2x_status;
1192 }
1193 }
1194
1195 /* Set SP register (which COS has higher priority) */
1196 bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
1197 sp_pri_to_cos);
1198
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001199 if (bnx2x_status) {
Joe Perches94f05b02011-08-14 12:16:20 +00001200 DP(NETIF_MSG_LINK,
1201 "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001202 return bnx2x_status;
1203 }
1204
1205 /* Set client mapping of BW and strict */
1206 bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
1207 cos_sp_bitmap,
1208 cos_bw_bitmap);
1209
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001210 if (bnx2x_status) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001211 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
1212 return bnx2x_status;
1213 }
1214 return 0;
1215}
Yaniv Rosner65a001b2011-01-31 04:22:03 +00001216static void bnx2x_ets_bw_limit_common(const struct link_params *params)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001217{
1218 /* ETS disabled configuration */
1219 struct bnx2x *bp = params->bp;
1220 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001221 /* Defines which entries (clients) are subjected to WFQ arbitration
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001222 * COS0 0x8
1223 * COS1 0x10
1224 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001225 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001226 /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001227 * client numbers (WEIGHT_0 does not actually have to represent
1228 * client 0)
1229 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1230 * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
1231 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001232 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
1233
1234 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
1235 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1236 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
1237 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1238
1239 /* ETS mode enabled*/
1240 REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
1241
1242 /* Defines the number of consecutive slots for the strict priority */
1243 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001244 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001245 * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
1246 * entry, 4 - COS1 entry.
1247 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1248 * bit4 bit3 bit2 bit1 bit0
1249 * MCP and debug are strict
1250 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001251 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
1252
1253 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
1254 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
1255 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1256 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
1257 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1258}
1259
1260void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
1261 const u32 cos1_bw)
1262{
1263 /* ETS disabled configuration*/
1264 struct bnx2x *bp = params->bp;
1265 const u32 total_bw = cos0_bw + cos1_bw;
1266 u32 cos0_credit_weight = 0;
1267 u32 cos1_credit_weight = 0;
1268
1269 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1270
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001271 if ((!total_bw) ||
1272 (!cos0_bw) ||
1273 (!cos1_bw)) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001274 DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001275 return;
1276 }
1277
1278 cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1279 total_bw;
1280 cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1281 total_bw;
1282
1283 bnx2x_ets_bw_limit_common(params);
1284
1285 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
1286 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
1287
1288 REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
1289 REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
1290}
1291
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001292int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001293{
1294 /* ETS disabled configuration*/
1295 struct bnx2x *bp = params->bp;
1296 u32 val = 0;
1297
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001298 DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001299 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001300 * as strict. Bits 0,1,2 - debug and management entries,
1301 * 3 - COS0 entry, 4 - COS1 entry.
1302 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1303 * bit4 bit3 bit2 bit1 bit0
1304 * MCP and debug are strict
1305 */
1306 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001307 /* For strict priority entries defines the number of consecutive slots
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001308 * for the highest priority.
1309 */
1310 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1311 /* ETS mode disable */
1312 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
1313 /* Defines the number of consecutive slots for the strict priority */
1314 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
1315
1316 /* Defines the number of consecutive slots for the strict priority */
1317 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
1318
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001319 /* Mapping between entry priority to client number (0,1,2 -debug and
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001320 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
1321 * 3bits client num.
1322 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1323 * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
1324 * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
1325 */
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001326 val = (!strict_cos) ? 0x2318 : 0x22E0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001327 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
1328
1329 return 0;
1330}
Yuval Mintzc8c60d82012-06-06 17:13:07 +00001331
1332/******************************************************************/
Dmitry Kravkove8920672011-05-04 23:52:40 +00001333/* PFC section */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001334/******************************************************************/
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001335static void bnx2x_update_pfc_xmac(struct link_params *params,
1336 struct link_vars *vars,
1337 u8 is_lb)
1338{
1339 struct bnx2x *bp = params->bp;
1340 u32 xmac_base;
1341 u32 pause_val, pfc0_val, pfc1_val;
1342
1343 /* XMAC base adrr */
1344 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1345
1346 /* Initialize pause and pfc registers */
1347 pause_val = 0x18000;
1348 pfc0_val = 0xFFFF8000;
1349 pfc1_val = 0x2;
1350
1351 /* No PFC support */
1352 if (!(params->feature_config_flags &
1353 FEATURE_CONFIG_PFC_ENABLED)) {
1354
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001355 /* RX flow control - Process pause frame in receive direction
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001356 */
1357 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1358 pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
1359
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001360 /* TX flow control - Send pause packet when buffer is full */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001361 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1362 pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
1363 } else {/* PFC support */
1364 pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
1365 XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
1366 XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
Yaniv Rosner27d91292012-04-04 01:28:54 +00001367 XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
1368 XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1369 /* Write pause and PFC registers */
1370 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1371 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1372 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1373 pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1374
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001375 }
1376
1377 /* Write pause and PFC registers */
1378 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1379 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1380 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1381
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001382
1383 /* Set MAC address for source TX Pause/PFC frames */
1384 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
1385 ((params->mac_addr[2] << 24) |
1386 (params->mac_addr[3] << 16) |
1387 (params->mac_addr[4] << 8) |
1388 (params->mac_addr[5])));
1389 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
1390 ((params->mac_addr[0] << 8) |
1391 (params->mac_addr[1])));
1392
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001393 udelay(30);
1394}
1395
1396
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001397static void bnx2x_emac_get_pfc_stat(struct link_params *params,
1398 u32 pfc_frames_sent[2],
1399 u32 pfc_frames_received[2])
1400{
1401 /* Read pfc statistic */
1402 struct bnx2x *bp = params->bp;
1403 u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1404 u32 val_xon = 0;
1405 u32 val_xoff = 0;
1406
1407 DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
1408
1409 /* PFC received frames */
1410 val_xoff = REG_RD(bp, emac_base +
1411 EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
1412 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
1413 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
1414 val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
1415
1416 pfc_frames_received[0] = val_xon + val_xoff;
1417
1418 /* PFC received sent */
1419 val_xoff = REG_RD(bp, emac_base +
1420 EMAC_REG_RX_PFC_STATS_XOFF_SENT);
1421 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
1422 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
1423 val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
1424
1425 pfc_frames_sent[0] = val_xon + val_xoff;
1426}
1427
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001428/* Read pfc statistic*/
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001429void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
1430 u32 pfc_frames_sent[2],
1431 u32 pfc_frames_received[2])
1432{
1433 /* Read pfc statistic */
1434 struct bnx2x *bp = params->bp;
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001435
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001436 DP(NETIF_MSG_LINK, "pfc statistic\n");
1437
1438 if (!vars->link_up)
1439 return;
1440
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001441 if (vars->mac_type == MAC_TYPE_EMAC) {
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001442 DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001443 bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
1444 pfc_frames_received);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001445 }
1446}
1447/******************************************************************/
1448/* MAC/PBF section */
1449/******************************************************************/
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001450static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id,
1451 u32 emac_base)
Yaniv Rosnera198c142011-05-31 21:29:42 +00001452{
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001453 u32 new_mode, cur_mode;
1454 u32 clc_cnt;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001455 /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
Yaniv Rosnera198c142011-05-31 21:29:42 +00001456 * (a value of 49==0x31) and make sure that the AUTO poll is off
1457 */
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001458 cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
Yaniv Rosnera198c142011-05-31 21:29:42 +00001459
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00001460 if (USES_WARPCORE(bp))
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001461 clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00001462 else
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001463 clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
Yaniv Rosnera198c142011-05-31 21:29:42 +00001464
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001465 if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
1466 (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
1467 return;
Yaniv Rosnera198c142011-05-31 21:29:42 +00001468
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001469 new_mode = cur_mode &
1470 ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
1471 new_mode |= clc_cnt;
1472 new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
1473
1474 DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n",
1475 cur_mode, new_mode);
1476 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
Yaniv Rosnera198c142011-05-31 21:29:42 +00001477 udelay(40);
1478}
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001479
1480static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp,
1481 struct link_params *params)
1482{
1483 u8 phy_index;
1484 /* Set mdio clock per phy */
1485 for (phy_index = INT_PHY; phy_index < params->num_phys;
1486 phy_index++)
1487 bnx2x_set_mdio_clk(bp, params->chip_id,
1488 params->phy[phy_index].mdio_ctrl);
1489}
1490
Yaniv Rosner2f751a82011-11-28 00:49:52 +00001491static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
1492{
1493 u32 port4mode_ovwr_val;
1494 /* Check 4-port override enabled */
1495 port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
1496 if (port4mode_ovwr_val & (1<<0)) {
1497 /* Return 4-port mode override value */
1498 return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
1499 }
1500 /* Return 4-port mode from input pin */
1501 return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
1502}
Yaniv Rosnera198c142011-05-31 21:29:42 +00001503
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001504static void bnx2x_emac_init(struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001505 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001506{
1507 /* reset and unreset the emac core */
1508 struct bnx2x *bp = params->bp;
1509 u8 port = params->port;
1510 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1511 u32 val;
1512 u16 timeout;
1513
1514 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001515 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001516 udelay(5);
1517 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001518 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001519
1520 /* init emac - use read-modify-write */
1521 /* self clear reset */
1522 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
Eilon Greenstein3196a882008-08-13 15:58:49 -07001523 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001524
1525 timeout = 200;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001526 do {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001527 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1528 DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
1529 if (!timeout) {
1530 DP(NETIF_MSG_LINK, "EMAC timeout!\n");
1531 return;
1532 }
1533 timeout--;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001534 } while (val & EMAC_MODE_RESET);
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001535
1536 bnx2x_set_mdio_emac_per_phy(bp, params);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001537 /* Set mac address */
1538 val = ((params->mac_addr[0] << 8) |
1539 params->mac_addr[1]);
Eilon Greenstein3196a882008-08-13 15:58:49 -07001540 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001541
1542 val = ((params->mac_addr[2] << 24) |
1543 (params->mac_addr[3] << 16) |
1544 (params->mac_addr[4] << 8) |
1545 params->mac_addr[5]);
Eilon Greenstein3196a882008-08-13 15:58:49 -07001546 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001547}
1548
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001549static void bnx2x_set_xumac_nig(struct link_params *params,
1550 u16 tx_pause_en,
1551 u8 enable)
1552{
1553 struct bnx2x *bp = params->bp;
1554
1555 REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
1556 enable);
1557 REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
1558 enable);
1559 REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
1560 NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
1561}
1562
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001563static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001564{
1565 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001566 u32 val;
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001567 struct bnx2x *bp = params->bp;
1568 if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
1569 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
1570 return;
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001571 val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
1572 if (en)
1573 val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
1574 UMAC_COMMAND_CONFIG_REG_RX_ENA);
1575 else
1576 val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
1577 UMAC_COMMAND_CONFIG_REG_RX_ENA);
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001578 /* Disable RX and TX */
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001579 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001580}
1581
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001582static void bnx2x_umac_enable(struct link_params *params,
1583 struct link_vars *vars, u8 lb)
1584{
1585 u32 val;
1586 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1587 struct bnx2x *bp = params->bp;
1588 /* Reset UMAC */
1589 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1590 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
Yuval Mintzd2310232012-06-20 19:05:19 +00001591 usleep_range(1000, 2000);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001592
1593 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1594 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1595
1596 DP(NETIF_MSG_LINK, "enabling UMAC\n");
1597
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001598 /* This register opens the gate for the UMAC despite its name */
1599 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
1600
1601 val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
1602 UMAC_COMMAND_CONFIG_REG_PAD_EN |
1603 UMAC_COMMAND_CONFIG_REG_SW_RESET |
1604 UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
1605 switch (vars->line_speed) {
1606 case SPEED_10:
1607 val |= (0<<2);
1608 break;
1609 case SPEED_100:
1610 val |= (1<<2);
1611 break;
1612 case SPEED_1000:
1613 val |= (2<<2);
1614 break;
1615 case SPEED_2500:
1616 val |= (3<<2);
1617 break;
1618 default:
1619 DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
1620 vars->line_speed);
1621 break;
1622 }
Yaniv Rosner9d5b36b2011-08-02 22:59:10 +00001623 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1624 val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
1625
1626 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1627 val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
1628
Mintz Yuvale18c56b2012-02-15 02:10:23 +00001629 if (vars->duplex == DUPLEX_HALF)
1630 val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
1631
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001632 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1633 udelay(50);
1634
Yuval Mintz26964bb2012-09-10 05:51:08 +00001635 /* Configure UMAC for EEE */
1636 if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1637 DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
1638 REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
1639 UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
1640 REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
1641 } else {
1642 REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
1643 }
1644
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001645 /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
1646 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
1647 ((params->mac_addr[2] << 24) |
1648 (params->mac_addr[3] << 16) |
1649 (params->mac_addr[4] << 8) |
1650 (params->mac_addr[5])));
1651 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
1652 ((params->mac_addr[0] << 8) |
1653 (params->mac_addr[1])));
1654
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001655 /* Enable RX and TX */
1656 val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
1657 val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00001658 UMAC_COMMAND_CONFIG_REG_RX_ENA;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001659 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1660 udelay(50);
1661
1662 /* Remove SW Reset */
1663 val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
1664
1665 /* Check loopback mode */
1666 if (lb)
1667 val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
1668 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1669
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001670 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001671 * length used by the MAC receive logic to check frames.
1672 */
1673 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
1674 bnx2x_set_xumac_nig(params,
1675 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1676 vars->mac_type = MAC_TYPE_UMAC;
1677
1678}
1679
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001680/* Define the XMAC mode */
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001681static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001682{
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001683 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001684 u32 is_port4mode = bnx2x_is_4_port_mode(bp);
1685
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001686 /* In 4-port mode, need to set the mode only once, so if XMAC is
Yaniv Rosner2f751a82011-11-28 00:49:52 +00001687 * already out of reset, it means the mode has already been set,
1688 * and it must not* reset the XMAC again, since it controls both
1689 * ports of the path
1690 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001691
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00001692 if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
1693 (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
1694 (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
1695 is_port4mode &&
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001696 (REG_RD(bp, MISC_REG_RESET_REG_2) &
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001697 MISC_REGISTERS_RESET_REG_2_XMAC)) {
Joe Perches94f05b02011-08-14 12:16:20 +00001698 DP(NETIF_MSG_LINK,
1699 "XMAC already out of reset in 4-port mode\n");
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001700 return;
1701 }
1702
1703 /* Hard reset */
1704 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1705 MISC_REGISTERS_RESET_REG_2_XMAC);
Yuval Mintzd2310232012-06-20 19:05:19 +00001706 usleep_range(1000, 2000);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001707
1708 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1709 MISC_REGISTERS_RESET_REG_2_XMAC);
1710 if (is_port4mode) {
1711 DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
1712
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001713 /* Set the number of ports on the system side to up to 2 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001714 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
1715
1716 /* Set the number of ports on the Warp Core to 10G */
1717 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1718 } else {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001719 /* Set the number of ports on the system side to 1 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001720 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
1721 if (max_speed == SPEED_10000) {
Joe Perches94f05b02011-08-14 12:16:20 +00001722 DP(NETIF_MSG_LINK,
1723 "Init XMAC to 10G x 1 port per path\n");
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001724 /* Set the number of ports on the Warp Core to 10G */
1725 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1726 } else {
Joe Perches94f05b02011-08-14 12:16:20 +00001727 DP(NETIF_MSG_LINK,
1728 "Init XMAC to 20G x 2 ports per path\n");
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001729 /* Set the number of ports on the Warp Core to 20G */
1730 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
1731 }
1732 }
1733 /* Soft reset */
1734 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1735 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
Yuval Mintzd2310232012-06-20 19:05:19 +00001736 usleep_range(1000, 2000);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001737
1738 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1739 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1740
1741}
1742
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001743static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001744{
1745 u8 port = params->port;
1746 struct bnx2x *bp = params->bp;
Yaniv Rosnerb5077662011-08-02 22:59:18 +00001747 u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001748 u32 val;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001749
1750 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1751 MISC_REGISTERS_RESET_REG_2_XMAC) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001752 /* Send an indication to change the state in the NIG back to XON
Yaniv Rosnerb5077662011-08-02 22:59:18 +00001753 * Clearing this bit enables the next set of this bit to get
1754 * rising edge
1755 */
1756 pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
1757 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1758 (pfc_ctrl & ~(1<<1)));
1759 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1760 (pfc_ctrl | (1<<1)));
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001761 DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001762 val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
1763 if (en)
1764 val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1765 else
1766 val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1767 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001768 }
1769}
1770
1771static int bnx2x_xmac_enable(struct link_params *params,
1772 struct link_vars *vars, u8 lb)
1773{
1774 u32 val, xmac_base;
1775 struct bnx2x *bp = params->bp;
1776 DP(NETIF_MSG_LINK, "enabling XMAC\n");
1777
1778 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1779
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001780 bnx2x_xmac_init(params, vars->line_speed);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001781
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001782 /* This register determines on which events the MAC will assert
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001783 * error on the i/f to the NIG along w/ EOP.
1784 */
1785
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001786 /* This register tells the NIG whether to send traffic to UMAC
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001787 * or XMAC
1788 */
1789 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
1790
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00001791 /* When XMAC is in XLGMII mode, disable sending idles for fault
1792 * detection.
1793 */
1794 if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
1795 REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
1796 (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
1797 XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
1798 REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
1799 REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
1800 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
1801 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
1802 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001803 /* Set Max packet size */
1804 REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
1805
1806 /* CRC append for Tx packets */
1807 REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
1808
1809 /* update PFC */
1810 bnx2x_update_pfc_xmac(params, vars, 0);
1811
Yuval Mintzc8c60d82012-06-06 17:13:07 +00001812 if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1813 DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
1814 REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
1815 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
1816 } else {
1817 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
1818 }
1819
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001820 /* Enable TX and RX */
1821 val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
1822
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00001823 /* Set MAC in XLGMII mode for dual-mode */
1824 if ((vars->line_speed == SPEED_20000) &&
1825 (params->phy[INT_PHY].supported &
1826 SUPPORTED_20000baseKR2_Full))
1827 val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
1828
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001829 /* Check loopback mode */
1830 if (lb)
David S. Miller8decf862011-09-22 03:23:13 -04001831 val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001832 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1833 bnx2x_set_xumac_nig(params,
1834 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1835
1836 vars->mac_type = MAC_TYPE_XMAC;
1837
1838 return 0;
1839}
Yaniv Rosner2f751a82011-11-28 00:49:52 +00001840
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001841static int bnx2x_emac_enable(struct link_params *params,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00001842 struct link_vars *vars, u8 lb)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001843{
1844 struct bnx2x *bp = params->bp;
1845 u8 port = params->port;
1846 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1847 u32 val;
1848
1849 DP(NETIF_MSG_LINK, "enabling EMAC\n");
1850
Yaniv Rosnerde6f3372011-08-02 22:59:25 +00001851 /* Disable BMAC */
1852 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1853 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1854
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001855 /* enable emac and not bmac */
1856 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
1857
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001858 /* ASIC */
1859 if (vars->phy_flags & PHY_XGXS_FLAG) {
1860 u32 ser_lane = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001861 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1862 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001863
1864 DP(NETIF_MSG_LINK, "XGXS\n");
1865 /* select the master lanes (out of 0-3) */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001866 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001867 /* select XGXS */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001868 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001869
1870 } else { /* SerDes */
1871 DP(NETIF_MSG_LINK, "SerDes\n");
1872 /* select SerDes */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001873 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001874 }
1875
Eilon Greenstein811a2f22009-02-12 08:37:04 +00001876 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001877 EMAC_RX_MODE_RESET);
Eilon Greenstein811a2f22009-02-12 08:37:04 +00001878 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001879 EMAC_TX_MODE_RESET);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001880
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001881 /* pause enable/disable */
1882 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1883 EMAC_RX_MODE_FLOW_EN);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001884
1885 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001886 (EMAC_TX_MODE_EXT_PAUSE_EN |
1887 EMAC_TX_MODE_FLOW_EN));
1888 if (!(params->feature_config_flags &
1889 FEATURE_CONFIG_PFC_ENABLED)) {
1890 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1891 bnx2x_bits_en(bp, emac_base +
1892 EMAC_REG_EMAC_RX_MODE,
1893 EMAC_RX_MODE_FLOW_EN);
1894
1895 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1896 bnx2x_bits_en(bp, emac_base +
1897 EMAC_REG_EMAC_TX_MODE,
1898 (EMAC_TX_MODE_EXT_PAUSE_EN |
1899 EMAC_TX_MODE_FLOW_EN));
1900 } else
1901 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1902 EMAC_TX_MODE_FLOW_EN);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001903
1904 /* KEEP_VLAN_TAG, promiscuous */
1905 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
1906 val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001907
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001908 /* Setting this bit causes MAC control frames (except for pause
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001909 * frames) to be passed on for processing. This setting has no
1910 * affect on the operation of the pause frames. This bit effects
1911 * all packets regardless of RX Parser packet sorting logic.
1912 * Turn the PFC off to make sure we are in Xon state before
1913 * enabling it.
1914 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001915 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
1916 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1917 DP(NETIF_MSG_LINK, "PFC is enabled\n");
1918 /* Enable PFC again */
1919 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
1920 EMAC_REG_RX_PFC_MODE_RX_EN |
1921 EMAC_REG_RX_PFC_MODE_TX_EN |
1922 EMAC_REG_RX_PFC_MODE_PRIORITIES);
1923
1924 EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
1925 ((0x0101 <<
1926 EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
1927 (0x00ff <<
1928 EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
1929 val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
1930 }
Eilon Greenstein3196a882008-08-13 15:58:49 -07001931 EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001932
1933 /* Set Loopback */
1934 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1935 if (lb)
1936 val |= 0x810;
1937 else
1938 val &= ~0x810;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001939 EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001940
Yuval Mintzd2310232012-06-20 19:05:19 +00001941 /* Enable emac */
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001942 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
1943
Yuval Mintzd2310232012-06-20 19:05:19 +00001944 /* Enable emac for jumbo packets */
Eilon Greenstein3196a882008-08-13 15:58:49 -07001945 EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001946 (EMAC_RX_MTU_SIZE_JUMBO_ENA |
1947 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
1948
Yuval Mintzd2310232012-06-20 19:05:19 +00001949 /* Strip CRC */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001950 REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
1951
Yuval Mintzd2310232012-06-20 19:05:19 +00001952 /* Disable the NIG in/out to the bmac */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001953 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
1954 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
1955 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
1956
Yuval Mintzd2310232012-06-20 19:05:19 +00001957 /* Enable the NIG in/out to the emac */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001958 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
1959 val = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001960 if ((params->feature_config_flags &
1961 FEATURE_CONFIG_PFC_ENABLED) ||
1962 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001963 val = 1;
1964
1965 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
1966 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
1967
Yaniv Rosner02a23162011-01-31 04:22:53 +00001968 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001969
1970 vars->mac_type = MAC_TYPE_EMAC;
1971 return 0;
1972}
1973
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001974static void bnx2x_update_pfc_bmac1(struct link_params *params,
1975 struct link_vars *vars)
1976{
1977 u32 wb_data[2];
1978 struct bnx2x *bp = params->bp;
1979 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1980 NIG_REG_INGRESS_BMAC0_MEM;
1981
1982 u32 val = 0x14;
1983 if ((!(params->feature_config_flags &
1984 FEATURE_CONFIG_PFC_ENABLED)) &&
1985 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1986 /* Enable BigMAC to react on received Pause packets */
1987 val |= (1<<5);
1988 wb_data[0] = val;
1989 wb_data[1] = 0;
1990 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
1991
Yuval Mintzd2310232012-06-20 19:05:19 +00001992 /* TX control */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001993 val = 0xc0;
1994 if (!(params->feature_config_flags &
1995 FEATURE_CONFIG_PFC_ENABLED) &&
1996 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1997 val |= 0x800000;
1998 wb_data[0] = val;
1999 wb_data[1] = 0;
2000 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
2001}
2002
2003static void bnx2x_update_pfc_bmac2(struct link_params *params,
2004 struct link_vars *vars,
2005 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002006{
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002007 /* Set rx control: Strip CRC and enable BigMAC to relay
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002008 * control packets to the system as well
2009 */
2010 u32 wb_data[2];
2011 struct bnx2x *bp = params->bp;
2012 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
2013 NIG_REG_INGRESS_BMAC0_MEM;
2014 u32 val = 0x14;
2015
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002016 if ((!(params->feature_config_flags &
2017 FEATURE_CONFIG_PFC_ENABLED)) &&
2018 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002019 /* Enable BigMAC to react on received Pause packets */
2020 val |= (1<<5);
2021 wb_data[0] = val;
2022 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002023 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002024 udelay(30);
2025
2026 /* Tx control */
2027 val = 0xc0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002028 if (!(params->feature_config_flags &
2029 FEATURE_CONFIG_PFC_ENABLED) &&
2030 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002031 val |= 0x800000;
2032 wb_data[0] = val;
2033 wb_data[1] = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002034 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002035
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002036 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
2037 DP(NETIF_MSG_LINK, "PFC is enabled\n");
2038 /* Enable PFC RX & TX & STATS and set 8 COS */
2039 wb_data[0] = 0x0;
2040 wb_data[0] |= (1<<0); /* RX */
2041 wb_data[0] |= (1<<1); /* TX */
2042 wb_data[0] |= (1<<2); /* Force initial Xon */
2043 wb_data[0] |= (1<<3); /* 8 cos */
2044 wb_data[0] |= (1<<5); /* STATS */
2045 wb_data[1] = 0;
2046 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
2047 wb_data, 2);
2048 /* Clear the force Xon */
2049 wb_data[0] &= ~(1<<2);
2050 } else {
2051 DP(NETIF_MSG_LINK, "PFC is disabled\n");
Yuval Mintzd2310232012-06-20 19:05:19 +00002052 /* Disable PFC RX & TX & STATS and set 8 COS */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002053 wb_data[0] = 0x8;
2054 wb_data[1] = 0;
2055 }
2056
2057 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
2058
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002059 /* Set Time (based unit is 512 bit time) between automatic
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002060 * re-sending of PP packets amd enable automatic re-send of
2061 * Per-Priroity Packet as long as pp_gen is asserted and
2062 * pp_disable is low.
2063 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002064 val = 0x8000;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002065 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2066 val |= (1<<16); /* enable automatic re-send */
2067
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002068 wb_data[0] = val;
2069 wb_data[1] = 0;
2070 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002071 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002072
2073 /* mac control */
2074 val = 0x3; /* Enable RX and TX */
2075 if (is_lb) {
2076 val |= 0x4; /* Local loopback */
2077 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2078 }
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002079 /* When PFC enabled, Pass pause frames towards the NIG. */
2080 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2081 val |= ((1<<6)|(1<<5));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002082
2083 wb_data[0] = val;
2084 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002085 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002086}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002087
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002088/******************************************************************************
2089* Description:
2090* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2091* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2092******************************************************************************/
Yuval Mintzd2310232012-06-20 19:05:19 +00002093static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
2094 u8 cos_entry,
2095 u32 priority_mask, u8 port)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002096{
2097 u32 nig_reg_rx_priority_mask_add = 0;
2098
2099 switch (cos_entry) {
2100 case 0:
2101 nig_reg_rx_priority_mask_add = (port) ?
2102 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2103 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2104 break;
2105 case 1:
2106 nig_reg_rx_priority_mask_add = (port) ?
2107 NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2108 NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2109 break;
2110 case 2:
2111 nig_reg_rx_priority_mask_add = (port) ?
2112 NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2113 NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2114 break;
2115 case 3:
2116 if (port)
2117 return -EINVAL;
2118 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2119 break;
2120 case 4:
2121 if (port)
2122 return -EINVAL;
2123 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2124 break;
2125 case 5:
2126 if (port)
2127 return -EINVAL;
2128 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2129 break;
2130 }
2131
2132 REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
2133
2134 return 0;
2135}
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00002136static void bnx2x_update_mng(struct link_params *params, u32 link_status)
2137{
2138 struct bnx2x *bp = params->bp;
2139
2140 REG_WR(bp, params->shmem_base +
2141 offsetof(struct shmem_region,
2142 port_mb[params->port].link_status), link_status);
2143}
2144
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00002145static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
2146{
2147 struct bnx2x *bp = params->bp;
2148
2149 if (SHMEM2_HAS(bp, link_attr_sync))
2150 REG_WR(bp, params->shmem2_base +
2151 offsetof(struct shmem2_region,
2152 link_attr_sync[params->port]), link_attr);
2153}
2154
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002155static void bnx2x_update_pfc_nig(struct link_params *params,
2156 struct link_vars *vars,
2157 struct bnx2x_nig_brb_pfc_port_params *nig_params)
2158{
2159 u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
Yaniv Rosner127302b2012-01-17 02:33:26 +00002160 u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002161 u32 pkt_priority_to_cos = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002162 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002163 u8 port = params->port;
2164
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002165 int set_pfc = params->feature_config_flags &
2166 FEATURE_CONFIG_PFC_ENABLED;
2167 DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
2168
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002169 /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002170 * MAC control frames (that are not pause packets)
2171 * will be forwarded to the XCM.
2172 */
Yaniv Rosner127302b2012-01-17 02:33:26 +00002173 xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
2174 NIG_REG_LLH0_XCM_MASK);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002175 /* NIG params will override non PFC params, since it's possible to
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002176 * do transition from PFC to SAFC
2177 */
2178 if (set_pfc) {
2179 pause_enable = 0;
2180 llfc_out_en = 0;
2181 llfc_enable = 0;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002182 if (CHIP_IS_E3(bp))
2183 ppp_enable = 0;
2184 else
Yaniv Rosner503976e2012-11-27 03:46:34 +00002185 ppp_enable = 1;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002186 xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2187 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
Yaniv Rosner127302b2012-01-17 02:33:26 +00002188 xcm_out_en = 0;
2189 hwpfc_enable = 1;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002190 } else {
2191 if (nig_params) {
2192 llfc_out_en = nig_params->llfc_out_en;
2193 llfc_enable = nig_params->llfc_enable;
2194 pause_enable = nig_params->pause_enable;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002195 } else /* Default non PFC mode - PAUSE */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002196 pause_enable = 1;
2197
2198 xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2199 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
Yaniv Rosner127302b2012-01-17 02:33:26 +00002200 xcm_out_en = 1;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002201 }
2202
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002203 if (CHIP_IS_E3(bp))
2204 REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2205 NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002206 REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
2207 NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2208 REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
2209 NIG_REG_LLFC_ENABLE_0, llfc_enable);
2210 REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
2211 NIG_REG_PAUSE_ENABLE_0, pause_enable);
2212
2213 REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
2214 NIG_REG_PPP_ENABLE_0, ppp_enable);
2215
2216 REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
2217 NIG_REG_LLH0_XCM_MASK, xcm_mask);
2218
Yaniv Rosner127302b2012-01-17 02:33:26 +00002219 REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
2220 NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002221
Yuval Mintzd2310232012-06-20 19:05:19 +00002222 /* Output enable for RX_XCM # IF */
Yaniv Rosner127302b2012-01-17 02:33:26 +00002223 REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
2224 NIG_REG_XCM0_OUT_EN, xcm_out_en);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002225
2226 /* HW PFC TX enable */
Yaniv Rosner127302b2012-01-17 02:33:26 +00002227 REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
2228 NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002229
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002230 if (nig_params) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002231 u8 i = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002232 pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
2233
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002234 for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
2235 bnx2x_pfc_nig_rx_priority_mask(bp, i,
2236 nig_params->rx_cos_priority_mask[i], port);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002237
2238 REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
2239 NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
2240 nig_params->llfc_high_priority_classes);
2241
2242 REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
2243 NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
2244 nig_params->llfc_low_priority_classes);
2245 }
2246 REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
2247 NIG_REG_P0_PKT_PRIORITY_TO_COS,
2248 pkt_priority_to_cos);
2249}
2250
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002251int bnx2x_update_pfc(struct link_params *params,
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002252 struct link_vars *vars,
2253 struct bnx2x_nig_brb_pfc_port_params *pfc_params)
2254{
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002255 /* The PFC and pause are orthogonal to one another, meaning when
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002256 * PFC is enabled, the pause are disabled, and when PFC is
2257 * disabled, pause are set according to the pause result.
2258 */
2259 u32 val;
2260 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002261 int bnx2x_status = 0;
2262 u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00002263
2264 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2265 vars->link_status |= LINK_STATUS_PFC_ENABLED;
2266 else
2267 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
2268
2269 bnx2x_update_mng(params, vars->link_status);
2270
Yuval Mintzd2310232012-06-20 19:05:19 +00002271 /* Update NIG params */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002272 bnx2x_update_pfc_nig(params, vars, pfc_params);
2273
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002274 if (!vars->link_up)
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002275 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002276
2277 DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
Yaniv Rosner375944c2012-09-11 04:34:10 +00002278
2279 if (CHIP_IS_E3(bp)) {
2280 if (vars->mac_type == MAC_TYPE_XMAC)
2281 bnx2x_update_pfc_xmac(params, vars, 0);
2282 } else {
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002283 val = REG_RD(bp, MISC_REG_RESET_REG_2);
2284 if ((val &
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00002285 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002286 == 0) {
2287 DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
2288 bnx2x_emac_enable(params, vars, 0);
2289 return bnx2x_status;
2290 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002291 if (CHIP_IS_E2(bp))
2292 bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
2293 else
2294 bnx2x_update_pfc_bmac1(params, vars);
2295
2296 val = 0;
2297 if ((params->feature_config_flags &
2298 FEATURE_CONFIG_PFC_ENABLED) ||
2299 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2300 val = 1;
2301 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2302 }
2303 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002304}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002305
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002306static int bnx2x_bmac1_enable(struct link_params *params,
2307 struct link_vars *vars,
2308 u8 is_lb)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002309{
2310 struct bnx2x *bp = params->bp;
2311 u8 port = params->port;
2312 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2313 NIG_REG_INGRESS_BMAC0_MEM;
2314 u32 wb_data[2];
2315 u32 val;
2316
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002317 DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002318
2319 /* XGXS control */
2320 wb_data[0] = 0x3c;
2321 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002322 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2323 wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002324
Yuval Mintzd2310232012-06-20 19:05:19 +00002325 /* TX MAC SA */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002326 wb_data[0] = ((params->mac_addr[2] << 24) |
2327 (params->mac_addr[3] << 16) |
2328 (params->mac_addr[4] << 8) |
2329 params->mac_addr[5]);
2330 wb_data[1] = ((params->mac_addr[0] << 8) |
2331 params->mac_addr[1]);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002332 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002333
Yuval Mintzd2310232012-06-20 19:05:19 +00002334 /* MAC control */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002335 val = 0x3;
2336 if (is_lb) {
2337 val |= 0x4;
2338 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2339 }
2340 wb_data[0] = val;
2341 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002342 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002343
Yuval Mintzd2310232012-06-20 19:05:19 +00002344 /* Set rx mtu */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002345 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2346 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002347 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002348
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002349 bnx2x_update_pfc_bmac1(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002350
Yuval Mintzd2310232012-06-20 19:05:19 +00002351 /* Set tx mtu */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002352 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2353 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002354 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002355
Yuval Mintzd2310232012-06-20 19:05:19 +00002356 /* Set cnt max size */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002357 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2358 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002359 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002360
Yuval Mintzd2310232012-06-20 19:05:19 +00002361 /* Configure SAFC */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002362 wb_data[0] = 0x1000200;
2363 wb_data[1] = 0;
2364 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2365 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002366
2367 return 0;
2368}
2369
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002370static int bnx2x_bmac2_enable(struct link_params *params,
2371 struct link_vars *vars,
2372 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002373{
2374 struct bnx2x *bp = params->bp;
2375 u8 port = params->port;
2376 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2377 NIG_REG_INGRESS_BMAC0_MEM;
2378 u32 wb_data[2];
2379
2380 DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
2381
2382 wb_data[0] = 0;
2383 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002384 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002385 udelay(30);
2386
2387 /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2388 wb_data[0] = 0x3c;
2389 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002390 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2391 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002392
2393 udelay(30);
2394
Yuval Mintzd2310232012-06-20 19:05:19 +00002395 /* TX MAC SA */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002396 wb_data[0] = ((params->mac_addr[2] << 24) |
2397 (params->mac_addr[3] << 16) |
2398 (params->mac_addr[4] << 8) |
2399 params->mac_addr[5]);
2400 wb_data[1] = ((params->mac_addr[0] << 8) |
2401 params->mac_addr[1]);
2402 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002403 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002404
2405 udelay(30);
2406
2407 /* Configure SAFC */
2408 wb_data[0] = 0x1000200;
2409 wb_data[1] = 0;
2410 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002411 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002412 udelay(30);
2413
Yuval Mintzd2310232012-06-20 19:05:19 +00002414 /* Set RX MTU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002415 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2416 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002417 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002418 udelay(30);
2419
Yuval Mintzd2310232012-06-20 19:05:19 +00002420 /* Set TX 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_TX_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002424 udelay(30);
Yuval Mintzd2310232012-06-20 19:05:19 +00002425 /* Set cnt max size */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002426 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
2427 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002428 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002429 udelay(30);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002430 bnx2x_update_pfc_bmac2(params, vars, is_lb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002431
2432 return 0;
2433}
2434
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002435static int bnx2x_bmac_enable(struct link_params *params,
2436 struct link_vars *vars,
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00002437 u8 is_lb, u8 reset_bmac)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002438{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002439 int rc = 0;
2440 u8 port = params->port;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002441 struct bnx2x *bp = params->bp;
2442 u32 val;
Yuval Mintzd2310232012-06-20 19:05:19 +00002443 /* Reset and unreset the BigMac */
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00002444 if (reset_bmac) {
2445 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2446 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2447 usleep_range(1000, 2000);
2448 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002449
2450 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002451 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002452
Yuval Mintzd2310232012-06-20 19:05:19 +00002453 /* Enable access for bmac registers */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002454 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2455
2456 /* Enable BMAC according to BMAC type*/
2457 if (CHIP_IS_E2(bp))
2458 rc = bnx2x_bmac2_enable(params, vars, is_lb);
2459 else
2460 rc = bnx2x_bmac1_enable(params, vars, is_lb);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002461 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2462 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2463 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2464 val = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002465 if ((params->feature_config_flags &
2466 FEATURE_CONFIG_PFC_ENABLED) ||
2467 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002468 val = 1;
2469 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2470 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2471 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2472 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2473 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2474 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2475
2476 vars->mac_type = MAC_TYPE_BMAC;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002477 return rc;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002478}
2479
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00002480static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002481{
2482 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002483 NIG_REG_INGRESS_BMAC0_MEM;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002484 u32 wb_data[2];
Eilon Greenstein3196a882008-08-13 15:58:49 -07002485 u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002486
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00002487 if (CHIP_IS_E2(bp))
2488 bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
2489 else
2490 bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002491 /* Only if the bmac is out of reset */
2492 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
2493 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2494 nig_bmac_enable) {
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00002495 /* Clear Rx Enable bit in BMAC_CONTROL register */
2496 REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
2497 if (en)
2498 wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
2499 else
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002500 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00002501 REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
Yuval Mintzd2310232012-06-20 19:05:19 +00002502 usleep_range(1000, 2000);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002503 }
2504}
2505
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002506static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
2507 u32 line_speed)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002508{
2509 struct bnx2x *bp = params->bp;
2510 u8 port = params->port;
2511 u32 init_crd, crd;
2512 u32 count = 1000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002513
Yuval Mintzd2310232012-06-20 19:05:19 +00002514 /* Disable port */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002515 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2516
Yuval Mintzd2310232012-06-20 19:05:19 +00002517 /* Wait for init credit */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002518 init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
2519 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2520 DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
2521
2522 while ((init_crd != crd) && count) {
Yuval Mintzd2310232012-06-20 19:05:19 +00002523 usleep_range(5000, 10000);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002524 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2525 count--;
2526 }
2527 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2528 if (init_crd != crd) {
2529 DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
2530 init_crd, crd);
2531 return -EINVAL;
2532 }
2533
David S. Millerc0700f92008-12-16 23:53:20 -08002534 if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002535 line_speed == SPEED_10 ||
2536 line_speed == SPEED_100 ||
2537 line_speed == SPEED_1000 ||
2538 line_speed == SPEED_2500) {
2539 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
Yuval Mintzd2310232012-06-20 19:05:19 +00002540 /* Update threshold */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002541 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
Yuval Mintzd2310232012-06-20 19:05:19 +00002542 /* Update init credit */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002543 init_crd = 778; /* (800-18-4) */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002544
2545 } else {
2546 u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
2547 ETH_OVREHEAD)/16;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002548 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Yuval Mintzd2310232012-06-20 19:05:19 +00002549 /* Update threshold */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002550 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
Yuval Mintzd2310232012-06-20 19:05:19 +00002551 /* Update init credit */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002552 switch (line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002553 case SPEED_10000:
2554 init_crd = thresh + 553 - 22;
2555 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002556 default:
2557 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2558 line_speed);
2559 return -EINVAL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002560 }
2561 }
2562 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2563 DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
2564 line_speed, init_crd);
2565
Yuval Mintzd2310232012-06-20 19:05:19 +00002566 /* Probe the credit changes */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002567 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
Yuval Mintzd2310232012-06-20 19:05:19 +00002568 usleep_range(5000, 10000);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002569 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
2570
Yuval Mintzd2310232012-06-20 19:05:19 +00002571 /* Enable port */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002572 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2573 return 0;
2574}
2575
Dmitry Kravkove8920672011-05-04 23:52:40 +00002576/**
2577 * bnx2x_get_emac_base - retrive emac base address
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002578 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00002579 * @bp: driver handle
2580 * @mdc_mdio_access: access type
2581 * @port: port id
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002582 *
2583 * This function selects the MDC/MDIO access (through emac0 or
2584 * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2585 * phy has a default access mode, which could also be overridden
2586 * by nvram configuration. This parameter, whether this is the
2587 * default phy configuration, or the nvram overrun
2588 * configuration, is passed here as mdc_mdio_access and selects
2589 * the emac_base for the CL45 read/writes operations
2590 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002591static u32 bnx2x_get_emac_base(struct bnx2x *bp,
2592 u32 mdc_mdio_access, u8 port)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002593{
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002594 u32 emac_base = 0;
2595 switch (mdc_mdio_access) {
2596 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
2597 break;
2598 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
2599 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2600 emac_base = GRCBASE_EMAC1;
2601 else
2602 emac_base = GRCBASE_EMAC0;
2603 break;
2604 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
Eilon Greenstein589abe32009-02-12 08:36:55 +00002605 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2606 emac_base = GRCBASE_EMAC0;
2607 else
2608 emac_base = GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002609 break;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002610 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
2611 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2612 break;
2613 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
Eilon Greenstein6378c022008-08-13 15:59:25 -07002614 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002615 break;
2616 default:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002617 break;
2618 }
2619 return emac_base;
2620
2621}
2622
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002623/******************************************************************/
Yaniv Rosner6583e332011-06-14 01:34:17 +00002624/* CL22 access functions */
2625/******************************************************************/
2626static int bnx2x_cl22_write(struct bnx2x *bp,
2627 struct bnx2x_phy *phy,
2628 u16 reg, u16 val)
2629{
2630 u32 tmp, mode;
2631 u8 i;
2632 int rc = 0;
2633 /* Switch to CL22 */
2634 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2635 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2636 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2637
Yuval Mintzd2310232012-06-20 19:05:19 +00002638 /* Address */
Yaniv Rosner6583e332011-06-14 01:34:17 +00002639 tmp = ((phy->addr << 21) | (reg << 16) | val |
2640 EMAC_MDIO_COMM_COMMAND_WRITE_22 |
2641 EMAC_MDIO_COMM_START_BUSY);
2642 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2643
2644 for (i = 0; i < 50; i++) {
2645 udelay(10);
2646
2647 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2648 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2649 udelay(5);
2650 break;
2651 }
2652 }
2653 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2654 DP(NETIF_MSG_LINK, "write phy register failed\n");
2655 rc = -EFAULT;
2656 }
2657 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2658 return rc;
2659}
2660
2661static int bnx2x_cl22_read(struct bnx2x *bp,
2662 struct bnx2x_phy *phy,
2663 u16 reg, u16 *ret_val)
2664{
2665 u32 val, mode;
2666 u16 i;
2667 int rc = 0;
2668
2669 /* Switch to CL22 */
2670 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2671 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2672 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2673
Yuval Mintzd2310232012-06-20 19:05:19 +00002674 /* Address */
Yaniv Rosner6583e332011-06-14 01:34:17 +00002675 val = ((phy->addr << 21) | (reg << 16) |
2676 EMAC_MDIO_COMM_COMMAND_READ_22 |
2677 EMAC_MDIO_COMM_START_BUSY);
2678 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2679
2680 for (i = 0; i < 50; i++) {
2681 udelay(10);
2682
2683 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2684 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2685 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2686 udelay(5);
2687 break;
2688 }
2689 }
2690 if (val & EMAC_MDIO_COMM_START_BUSY) {
2691 DP(NETIF_MSG_LINK, "read phy register failed\n");
2692
2693 *ret_val = 0;
2694 rc = -EFAULT;
2695 }
2696 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2697 return rc;
2698}
2699
2700/******************************************************************/
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002701/* CL45 access functions */
2702/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002703static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
2704 u8 devad, u16 reg, u16 *ret_val)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002705{
Yaniv Rosnera198c142011-05-31 21:29:42 +00002706 u32 val;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002707 u16 i;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002708 int rc = 0;
Yaniv Rosner55386fe82012-11-27 03:46:30 +00002709 u32 chip_id;
2710 if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2711 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2712 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2713 bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2714 }
2715
Yaniv Rosner157fa282011-08-02 22:59:32 +00002716 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2717 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2718 EMAC_MDIO_STATUS_10MB);
Yuval Mintzd2310232012-06-20 19:05:19 +00002719 /* Address */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002720 val = ((phy->addr << 21) | (devad << 16) | reg |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002721 EMAC_MDIO_COMM_COMMAND_ADDRESS |
2722 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002723 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002724
2725 for (i = 0; i < 50; i++) {
2726 udelay(10);
2727
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002728 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002729 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2730 udelay(5);
2731 break;
2732 }
2733 }
2734 if (val & EMAC_MDIO_COMM_START_BUSY) {
2735 DP(NETIF_MSG_LINK, "read phy register failed\n");
Yaniv Rosner6d870c32011-01-31 04:22:20 +00002736 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002737 *ret_val = 0;
2738 rc = -EFAULT;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002739 } else {
Yuval Mintzd2310232012-06-20 19:05:19 +00002740 /* Data */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002741 val = ((phy->addr << 21) | (devad << 16) |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002742 EMAC_MDIO_COMM_COMMAND_READ_45 |
2743 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002744 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002745
2746 for (i = 0; i < 50; i++) {
2747 udelay(10);
2748
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002749 val = REG_RD(bp, phy->mdio_ctrl +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002750 EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002751 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2752 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2753 break;
2754 }
2755 }
2756 if (val & EMAC_MDIO_COMM_START_BUSY) {
2757 DP(NETIF_MSG_LINK, "read phy register failed\n");
Yaniv Rosner6d870c32011-01-31 04:22:20 +00002758 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002759 *ret_val = 0;
2760 rc = -EFAULT;
2761 }
2762 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00002763 /* Work around for E3 A0 */
2764 if (phy->flags & FLAGS_MDC_MDIO_WA) {
2765 phy->flags ^= FLAGS_DUMMY_READ;
2766 if (phy->flags & FLAGS_DUMMY_READ) {
2767 u16 temp_val;
2768 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2769 }
2770 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002771
Yaniv Rosner157fa282011-08-02 22:59:32 +00002772 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2773 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2774 EMAC_MDIO_STATUS_10MB);
Yaniv Rosnera198c142011-05-31 21:29:42 +00002775 return rc;
2776}
2777
2778static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
2779 u8 devad, u16 reg, u16 val)
2780{
2781 u32 tmp;
2782 u8 i;
2783 int rc = 0;
Yaniv Rosner55386fe82012-11-27 03:46:30 +00002784 u32 chip_id;
2785 if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2786 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2787 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2788 bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2789 }
2790
Yaniv Rosner157fa282011-08-02 22:59:32 +00002791 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2792 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2793 EMAC_MDIO_STATUS_10MB);
Yaniv Rosnera198c142011-05-31 21:29:42 +00002794
Yuval Mintzd2310232012-06-20 19:05:19 +00002795 /* Address */
Yaniv Rosnera198c142011-05-31 21:29:42 +00002796 tmp = ((phy->addr << 21) | (devad << 16) | reg |
2797 EMAC_MDIO_COMM_COMMAND_ADDRESS |
2798 EMAC_MDIO_COMM_START_BUSY);
2799 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2800
2801 for (i = 0; i < 50; i++) {
2802 udelay(10);
2803
2804 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2805 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2806 udelay(5);
2807 break;
2808 }
2809 }
2810 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2811 DP(NETIF_MSG_LINK, "write phy register failed\n");
2812 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
2813 rc = -EFAULT;
Yaniv Rosnera198c142011-05-31 21:29:42 +00002814 } else {
Yuval Mintzd2310232012-06-20 19:05:19 +00002815 /* Data */
Yaniv Rosnera198c142011-05-31 21:29:42 +00002816 tmp = ((phy->addr << 21) | (devad << 16) | val |
2817 EMAC_MDIO_COMM_COMMAND_WRITE_45 |
2818 EMAC_MDIO_COMM_START_BUSY);
2819 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2820
2821 for (i = 0; i < 50; i++) {
2822 udelay(10);
2823
2824 tmp = REG_RD(bp, phy->mdio_ctrl +
2825 EMAC_REG_EMAC_MDIO_COMM);
2826 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2827 udelay(5);
2828 break;
2829 }
2830 }
2831 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2832 DP(NETIF_MSG_LINK, "write phy register failed\n");
2833 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
2834 rc = -EFAULT;
2835 }
2836 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00002837 /* Work around for E3 A0 */
2838 if (phy->flags & FLAGS_MDC_MDIO_WA) {
2839 phy->flags ^= FLAGS_DUMMY_READ;
2840 if (phy->flags & FLAGS_DUMMY_READ) {
2841 u16 temp_val;
2842 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2843 }
2844 }
Yaniv Rosner157fa282011-08-02 22:59:32 +00002845 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2846 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2847 EMAC_MDIO_STATUS_10MB);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002848 return rc;
2849}
Yuval Mintzec4010e2012-09-10 05:51:06 +00002850
2851/******************************************************************/
2852/* EEE section */
2853/******************************************************************/
2854static u8 bnx2x_eee_has_cap(struct link_params *params)
2855{
2856 struct bnx2x *bp = params->bp;
2857
2858 if (REG_RD(bp, params->shmem2_base) <=
2859 offsetof(struct shmem2_region, eee_status[params->port]))
2860 return 0;
2861
2862 return 1;
2863}
2864
2865static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
2866{
2867 switch (nvram_mode) {
2868 case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
2869 *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
2870 break;
2871 case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
2872 *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
2873 break;
2874 case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
2875 *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
2876 break;
2877 default:
2878 *idle_timer = 0;
2879 break;
2880 }
2881
2882 return 0;
2883}
2884
2885static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
2886{
2887 switch (idle_timer) {
2888 case EEE_MODE_NVRAM_BALANCED_TIME:
2889 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
2890 break;
2891 case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
2892 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
2893 break;
2894 case EEE_MODE_NVRAM_LATENCY_TIME:
2895 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
2896 break;
2897 default:
2898 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
2899 break;
2900 }
2901
2902 return 0;
2903}
2904
2905static u32 bnx2x_eee_calc_timer(struct link_params *params)
2906{
2907 u32 eee_mode, eee_idle;
2908 struct bnx2x *bp = params->bp;
2909
2910 if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
2911 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2912 /* time value in eee_mode --> used directly*/
2913 eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
2914 } else {
2915 /* hsi value in eee_mode --> time */
2916 if (bnx2x_eee_nvram_to_time(params->eee_mode &
2917 EEE_MODE_NVRAM_MASK,
2918 &eee_idle))
2919 return 0;
2920 }
2921 } else {
2922 /* hsi values in nvram --> time*/
2923 eee_mode = ((REG_RD(bp, params->shmem_base +
2924 offsetof(struct shmem_region, dev_info.
2925 port_feature_config[params->port].
2926 eee_power_mode)) &
2927 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
2928 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
2929
2930 if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
2931 return 0;
2932 }
2933
2934 return eee_idle;
2935}
2936
2937static int bnx2x_eee_set_timers(struct link_params *params,
2938 struct link_vars *vars)
2939{
2940 u32 eee_idle = 0, eee_mode;
2941 struct bnx2x *bp = params->bp;
2942
2943 eee_idle = bnx2x_eee_calc_timer(params);
2944
2945 if (eee_idle) {
2946 REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
2947 eee_idle);
2948 } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
2949 (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
2950 (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
2951 DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
2952 return -EINVAL;
2953 }
2954
2955 vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
2956 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2957 /* eee_idle in 1u --> eee_status in 16u */
2958 eee_idle >>= 4;
2959 vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
2960 SHMEM_EEE_TIME_OUTPUT_BIT;
2961 } else {
2962 if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
2963 return -EINVAL;
2964 vars->eee_status |= eee_mode;
2965 }
2966
2967 return 0;
2968}
2969
2970static int bnx2x_eee_initial_config(struct link_params *params,
2971 struct link_vars *vars, u8 mode)
2972{
2973 vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
2974
2975 /* Propogate params' bits --> vars (for migration exposure) */
2976 if (params->eee_mode & EEE_MODE_ENABLE_LPI)
2977 vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
2978 else
2979 vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
2980
2981 if (params->eee_mode & EEE_MODE_ADV_LPI)
2982 vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
2983 else
2984 vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
2985
2986 return bnx2x_eee_set_timers(params, vars);
2987}
2988
2989static int bnx2x_eee_disable(struct bnx2x_phy *phy,
2990 struct link_params *params,
2991 struct link_vars *vars)
2992{
2993 struct bnx2x *bp = params->bp;
2994
2995 /* Make Certain LPI is disabled */
2996 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
2997
2998 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
2999
3000 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
3001
3002 return 0;
3003}
3004
3005static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
3006 struct link_params *params,
3007 struct link_vars *vars, u8 modes)
3008{
3009 struct bnx2x *bp = params->bp;
3010 u16 val = 0;
3011
3012 /* Mask events preventing LPI generation */
3013 REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
3014
3015 if (modes & SHMEM_EEE_10G_ADV) {
3016 DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
3017 val |= 0x8;
3018 }
3019 if (modes & SHMEM_EEE_1G_ADV) {
3020 DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
3021 val |= 0x4;
3022 }
3023
3024 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
3025
3026 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
3027 vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
3028
3029 return 0;
3030}
3031
3032static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
3033{
3034 struct bnx2x *bp = params->bp;
3035
3036 if (bnx2x_eee_has_cap(params))
3037 REG_WR(bp, params->shmem2_base +
3038 offsetof(struct shmem2_region,
3039 eee_status[params->port]), eee_status);
3040}
3041
3042static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
3043 struct link_params *params,
3044 struct link_vars *vars)
3045{
3046 struct bnx2x *bp = params->bp;
3047 u16 adv = 0, lp = 0;
3048 u32 lp_adv = 0;
3049 u8 neg = 0;
3050
3051 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
3052 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
3053
3054 if (lp & 0x2) {
3055 lp_adv |= SHMEM_EEE_100M_ADV;
3056 if (adv & 0x2) {
3057 if (vars->line_speed == SPEED_100)
3058 neg = 1;
3059 DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
3060 }
3061 }
3062 if (lp & 0x14) {
3063 lp_adv |= SHMEM_EEE_1G_ADV;
3064 if (adv & 0x14) {
3065 if (vars->line_speed == SPEED_1000)
3066 neg = 1;
3067 DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
3068 }
3069 }
3070 if (lp & 0x68) {
3071 lp_adv |= SHMEM_EEE_10G_ADV;
3072 if (adv & 0x68) {
3073 if (vars->line_speed == SPEED_10000)
3074 neg = 1;
3075 DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
3076 }
3077 }
3078
3079 vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
3080 vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
3081
3082 if (neg) {
3083 DP(NETIF_MSG_LINK, "EEE is active\n");
3084 vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
3085 }
3086
3087}
3088
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003089/******************************************************************/
3090/* BSC access functions from E3 */
3091/******************************************************************/
3092static void bnx2x_bsc_module_sel(struct link_params *params)
3093{
3094 int idx;
3095 u32 board_cfg, sfp_ctrl;
3096 u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3097 struct bnx2x *bp = params->bp;
3098 u8 port = params->port;
3099 /* Read I2C output PINs */
3100 board_cfg = REG_RD(bp, params->shmem_base +
3101 offsetof(struct shmem_region,
3102 dev_info.shared_hw_config.board));
3103 i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3104 i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3105 SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3106
3107 /* Read I2C output value */
3108 sfp_ctrl = REG_RD(bp, params->shmem_base +
3109 offsetof(struct shmem_region,
3110 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3111 i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3112 i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3113 DP(NETIF_MSG_LINK, "Setting BSC switch\n");
3114 for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3115 bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
3116}
3117
3118static int bnx2x_bsc_read(struct link_params *params,
3119 struct bnx2x_phy *phy,
3120 u8 sl_devid,
3121 u16 sl_addr,
3122 u8 lc_addr,
3123 u8 xfer_cnt,
3124 u32 *data_array)
3125{
3126 u32 val, i;
3127 int rc = 0;
3128 struct bnx2x *bp = params->bp;
3129
3130 if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
3131 DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
3132 return -EINVAL;
3133 }
3134
3135 if (xfer_cnt > 16) {
3136 DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
3137 xfer_cnt);
3138 return -EINVAL;
3139 }
3140 bnx2x_bsc_module_sel(params);
3141
3142 xfer_cnt = 16 - lc_addr;
3143
Yuval Mintzd2310232012-06-20 19:05:19 +00003144 /* Enable the engine */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003145 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3146 val |= MCPR_IMC_COMMAND_ENABLE;
3147 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3148
Yuval Mintzd2310232012-06-20 19:05:19 +00003149 /* Program slave device ID */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003150 val = (sl_devid << 16) | sl_addr;
3151 REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3152
Yuval Mintzd2310232012-06-20 19:05:19 +00003153 /* Start xfer with 0 byte to update the address pointer ???*/
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003154 val = (MCPR_IMC_COMMAND_ENABLE) |
3155 (MCPR_IMC_COMMAND_WRITE_OP <<
3156 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3157 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3158 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3159
Yuval Mintzd2310232012-06-20 19:05:19 +00003160 /* Poll for completion */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003161 i = 0;
3162 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3163 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3164 udelay(10);
3165 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3166 if (i++ > 1000) {
3167 DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
3168 i);
3169 rc = -EFAULT;
3170 break;
3171 }
3172 }
3173 if (rc == -EFAULT)
3174 return rc;
3175
Yuval Mintzd2310232012-06-20 19:05:19 +00003176 /* Start xfer with read op */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003177 val = (MCPR_IMC_COMMAND_ENABLE) |
3178 (MCPR_IMC_COMMAND_READ_OP <<
3179 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3180 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3181 (xfer_cnt);
3182 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3183
Yuval Mintzd2310232012-06-20 19:05:19 +00003184 /* Poll for completion */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003185 i = 0;
3186 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3187 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3188 udelay(10);
3189 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3190 if (i++ > 1000) {
3191 DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
3192 rc = -EFAULT;
3193 break;
3194 }
3195 }
3196 if (rc == -EFAULT)
3197 return rc;
3198
3199 for (i = (lc_addr >> 2); i < 4; i++) {
3200 data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3201#ifdef __BIG_ENDIAN
3202 data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3203 ((data_array[i] & 0x0000ff00) << 8) |
3204 ((data_array[i] & 0x00ff0000) >> 8) |
3205 ((data_array[i] & 0xff000000) >> 24);
3206#endif
3207 }
3208 return rc;
3209}
3210
3211static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3212 u8 devad, u16 reg, u16 or_val)
3213{
3214 u16 val;
3215 bnx2x_cl45_read(bp, phy, devad, reg, &val);
3216 bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
3217}
3218
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003219static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
3220 struct bnx2x_phy *phy,
3221 u8 devad, u16 reg, u16 and_val)
3222{
3223 u16 val;
3224 bnx2x_cl45_read(bp, phy, devad, reg, &val);
3225 bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
3226}
3227
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003228int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
3229 u8 devad, u16 reg, u16 *ret_val)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003230{
3231 u8 phy_index;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003232 /* Probe for the phy according to the given phy_addr, and execute
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003233 * the read request on it
3234 */
3235 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3236 if (params->phy[phy_index].addr == phy_addr) {
3237 return bnx2x_cl45_read(params->bp,
3238 &params->phy[phy_index], devad,
3239 reg, ret_val);
3240 }
3241 }
3242 return -EINVAL;
3243}
3244
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003245int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
3246 u8 devad, u16 reg, u16 val)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003247{
3248 u8 phy_index;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003249 /* Probe for the phy according to the given phy_addr, and execute
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003250 * the write request on it
3251 */
3252 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3253 if (params->phy[phy_index].addr == phy_addr) {
3254 return bnx2x_cl45_write(params->bp,
3255 &params->phy[phy_index], devad,
3256 reg, val);
3257 }
3258 }
3259 return -EINVAL;
3260}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003261static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
3262 struct link_params *params)
3263{
3264 u8 lane = 0;
3265 struct bnx2x *bp = params->bp;
3266 u32 path_swap, path_swap_ovr;
3267 u8 path, port;
3268
3269 path = BP_PATH(bp);
3270 port = params->port;
3271
3272 if (bnx2x_is_4_port_mode(bp)) {
3273 u32 port_swap, port_swap_ovr;
3274
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003275 /* Figure out path swap value */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003276 path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
3277 if (path_swap_ovr & 0x1)
3278 path_swap = (path_swap_ovr & 0x2);
3279 else
3280 path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
3281
3282 if (path_swap)
3283 path = path ^ 1;
3284
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003285 /* Figure out port swap value */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003286 port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
3287 if (port_swap_ovr & 0x1)
3288 port_swap = (port_swap_ovr & 0x2);
3289 else
3290 port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
3291
3292 if (port_swap)
3293 port = port ^ 1;
3294
3295 lane = (port<<1) + path;
Yuval Mintzd2310232012-06-20 19:05:19 +00003296 } else { /* Two port mode - no port swap */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003297
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003298 /* Figure out path swap value */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003299 path_swap_ovr =
3300 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3301 if (path_swap_ovr & 0x1) {
3302 path_swap = (path_swap_ovr & 0x2);
3303 } else {
3304 path_swap =
3305 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
3306 }
3307 if (path_swap)
3308 path = path ^ 1;
3309
3310 lane = path << 1 ;
3311 }
3312 return lane;
3313}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003314
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003315static void bnx2x_set_aer_mmd(struct link_params *params,
3316 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003317{
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003318 u32 ser_lane;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003319 u16 offset, aer_val;
3320 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003321 ser_lane = ((params->lane_config &
3322 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3323 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3324
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003325 offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3326 (phy->addr + ser_lane) : 0;
3327
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003328 if (USES_WARPCORE(bp)) {
3329 aer_val = bnx2x_get_warpcore_lane(phy, params);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003330 /* In Dual-lane mode, two lanes are joined together,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003331 * so in order to configure them, the AER broadcast method is
3332 * used here.
3333 * 0x200 is the broadcast address for lanes 0,1
3334 * 0x201 is the broadcast address for lanes 2,3
3335 */
3336 if (phy->flags & FLAGS_WC_DUAL_MODE)
3337 aer_val = (aer_val >> 1) | 0x200;
3338 } else if (CHIP_IS_E2(bp))
Yaniv Rosner82a0d472011-01-18 04:33:52 +00003339 aer_val = 0x3800 + offset - 1;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003340 else
3341 aer_val = 0x3800 + offset;
Yaniv Rosner2f751a82011-11-28 00:49:52 +00003342
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003343 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003344 MDIO_AER_BLOCK_AER_REG, aer_val);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003345
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003346}
3347
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003348/******************************************************************/
3349/* Internal phy section */
3350/******************************************************************/
3351
3352static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
3353{
3354 u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3355
3356 /* Set Clause 22 */
3357 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
3358 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
3359 udelay(500);
3360 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3361 udelay(500);
3362 /* Set Clause 45 */
3363 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
3364}
3365
3366static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
3367{
3368 u32 val;
3369
3370 DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
3371
3372 val = SERDES_RESET_BITS << (port*16);
3373
Yuval Mintzd2310232012-06-20 19:05:19 +00003374 /* Reset and unreset the SerDes/XGXS */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003375 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3376 udelay(500);
3377 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3378
3379 bnx2x_set_serdes_access(bp, port);
3380
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003381 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3382 DEFAULT_PHY_DEV_ADDR);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003383}
3384
Yaniv Rosnera75bb002012-10-31 05:46:53 +00003385static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
3386 struct link_params *params,
3387 u32 action)
3388{
3389 struct bnx2x *bp = params->bp;
3390 switch (action) {
3391 case PHY_INIT:
3392 /* Set correct devad */
3393 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
3394 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
3395 phy->def_md_devad);
3396 break;
3397 }
3398}
3399
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003400static void bnx2x_xgxs_deassert(struct link_params *params)
3401{
3402 struct bnx2x *bp = params->bp;
3403 u8 port;
3404 u32 val;
3405 DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
3406 port = params->port;
3407
3408 val = XGXS_RESET_BITS << (port*16);
3409
Yuval Mintzd2310232012-06-20 19:05:19 +00003410 /* Reset and unreset the SerDes/XGXS */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003411 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3412 udelay(500);
3413 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
Yaniv Rosnera75bb002012-10-31 05:46:53 +00003414 bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
3415 PHY_INIT);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003416}
3417
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003418static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
3419 struct link_params *params, u16 *ieee_fc)
3420{
3421 struct bnx2x *bp = params->bp;
3422 *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003423 /* Resolve pause mode and advertisement Please refer to Table
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003424 * 28B-3 of the 802.3ab-1999 spec
3425 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003426
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003427 switch (phy->req_flow_ctrl) {
3428 case BNX2X_FLOW_CTRL_AUTO:
3429 if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
3430 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3431 else
3432 *ieee_fc |=
3433 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3434 break;
3435
3436 case BNX2X_FLOW_CTRL_TX:
3437 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3438 break;
3439
3440 case BNX2X_FLOW_CTRL_RX:
3441 case BNX2X_FLOW_CTRL_BOTH:
3442 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3443 break;
3444
3445 case BNX2X_FLOW_CTRL_NONE:
3446 default:
3447 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3448 break;
3449 }
3450 DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
3451}
3452
3453static void set_phy_vars(struct link_params *params,
3454 struct link_vars *vars)
3455{
3456 struct bnx2x *bp = params->bp;
3457 u8 actual_phy_idx, phy_index, link_cfg_idx;
3458 u8 phy_config_swapped = params->multi_phy_config &
3459 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
3460 for (phy_index = INT_PHY; phy_index < params->num_phys;
3461 phy_index++) {
3462 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
3463 actual_phy_idx = phy_index;
3464 if (phy_config_swapped) {
3465 if (phy_index == EXT_PHY1)
3466 actual_phy_idx = EXT_PHY2;
3467 else if (phy_index == EXT_PHY2)
3468 actual_phy_idx = EXT_PHY1;
3469 }
3470 params->phy[actual_phy_idx].req_flow_ctrl =
3471 params->req_flow_ctrl[link_cfg_idx];
3472
3473 params->phy[actual_phy_idx].req_line_speed =
3474 params->req_line_speed[link_cfg_idx];
3475
3476 params->phy[actual_phy_idx].speed_cap_mask =
3477 params->speed_cap_mask[link_cfg_idx];
3478
3479 params->phy[actual_phy_idx].req_duplex =
3480 params->req_duplex[link_cfg_idx];
3481
3482 if (params->req_line_speed[link_cfg_idx] ==
3483 SPEED_AUTO_NEG)
3484 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3485
3486 DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
3487 " speed_cap_mask %x\n",
3488 params->phy[actual_phy_idx].req_flow_ctrl,
3489 params->phy[actual_phy_idx].req_line_speed,
3490 params->phy[actual_phy_idx].speed_cap_mask);
3491 }
3492}
3493
3494static void bnx2x_ext_phy_set_pause(struct link_params *params,
3495 struct bnx2x_phy *phy,
3496 struct link_vars *vars)
3497{
3498 u16 val;
3499 struct bnx2x *bp = params->bp;
Yuval Mintzd2310232012-06-20 19:05:19 +00003500 /* Read modify write pause advertizing */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003501 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3502
3503 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3504
3505 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3506 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3507 if ((vars->ieee_fc &
3508 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3509 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3510 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3511 }
3512 if ((vars->ieee_fc &
3513 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3514 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3515 val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3516 }
3517 DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3518 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3519}
3520
3521static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
3522{ /* LD LP */
3523 switch (pause_result) { /* ASYM P ASYM P */
3524 case 0xb: /* 1 0 1 1 */
3525 vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
3526 break;
3527
3528 case 0xe: /* 1 1 1 0 */
3529 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3530 break;
3531
3532 case 0x5: /* 0 1 0 1 */
3533 case 0x7: /* 0 1 1 1 */
3534 case 0xd: /* 1 1 0 1 */
3535 case 0xf: /* 1 1 1 1 */
3536 vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
3537 break;
3538
3539 default:
3540 break;
3541 }
3542 if (pause_result & (1<<0))
3543 vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3544 if (pause_result & (1<<1))
3545 vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003546
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003547}
3548
Mintz Yuval9e7e8392012-02-15 02:10:24 +00003549static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
3550 struct link_params *params,
3551 struct link_vars *vars)
3552{
3553 u16 ld_pause; /* local */
3554 u16 lp_pause; /* link partner */
3555 u16 pause_result;
3556 struct bnx2x *bp = params->bp;
3557 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
3558 bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
3559 bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
Yaniv Rosnerca05f292012-04-04 01:28:55 +00003560 } else if (CHIP_IS_E3(bp) &&
3561 SINGLE_MEDIA_DIRECT(params)) {
3562 u8 lane = bnx2x_get_warpcore_lane(phy, params);
3563 u16 gp_status, gp_mask;
3564 bnx2x_cl45_read(bp, phy,
3565 MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
3566 &gp_status);
3567 gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
3568 MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
3569 lane;
3570 if ((gp_status & gp_mask) == gp_mask) {
3571 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3572 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3573 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3574 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3575 } else {
3576 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3577 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3578 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3579 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3580 ld_pause = ((ld_pause &
3581 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3582 << 3);
3583 lp_pause = ((lp_pause &
3584 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3585 << 3);
3586 }
Mintz Yuval9e7e8392012-02-15 02:10:24 +00003587 } else {
3588 bnx2x_cl45_read(bp, phy,
3589 MDIO_AN_DEVAD,
3590 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3591 bnx2x_cl45_read(bp, phy,
3592 MDIO_AN_DEVAD,
3593 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3594 }
3595 pause_result = (ld_pause &
3596 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3597 pause_result |= (lp_pause &
3598 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3599 DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
3600 bnx2x_pause_resolve(vars, pause_result);
3601
3602}
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003603
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003604static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3605 struct link_params *params,
3606 struct link_vars *vars)
3607{
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003608 u8 ret = 0;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003609 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Mintz Yuval9e7e8392012-02-15 02:10:24 +00003610 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
3611 /* Update the advertised flow-controled of LD/LP in AN */
3612 if (phy->req_line_speed == SPEED_AUTO_NEG)
3613 bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3614 /* But set the flow-control result as the requested one */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003615 vars->flow_ctrl = phy->req_flow_ctrl;
Mintz Yuval9e7e8392012-02-15 02:10:24 +00003616 } else if (phy->req_line_speed != SPEED_AUTO_NEG)
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003617 vars->flow_ctrl = params->req_fc_auto_adv;
3618 else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3619 ret = 1;
Mintz Yuval9e7e8392012-02-15 02:10:24 +00003620 bnx2x_ext_phy_update_adv_fc(phy, params, vars);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003621 }
3622 return ret;
3623}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003624/******************************************************************/
3625/* Warpcore section */
3626/******************************************************************/
3627/* The init_internal_warpcore should mirror the xgxs,
3628 * i.e. reset the lane (if needed), set aer for the
3629 * init configuration, and set/clear SGMII flag. Internal
3630 * phy init is done purely in phy_init stage.
3631 */
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003632static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
3633 struct link_params *params,
3634 struct link_vars *vars)
3635{
3636 struct bnx2x *bp = params->bp;
3637 u16 i;
3638 static struct bnx2x_reg_set reg_set[] = {
3639 /* Step 1 - Program the TX/RX alignment markers */
3640 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
3641 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
3642 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
3643 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
3644 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
3645 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
3646 /* Step 2 - Configure the NP registers */
3647 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
3648 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
3649 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
3650 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
3651 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
3652 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
3653 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
3654 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
3655 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
3656 };
3657 DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
3658
3659 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3660 MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
3661
Sasha Levinb5a05552012-12-20 09:11:24 +00003662 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003663 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3664 reg_set[i].val);
3665
3666 /* Start KR2 work-around timer which handles BCM8073 link-parner */
3667 vars->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
3668 bnx2x_update_link_attr(params, vars->link_attr_sync);
3669}
Yuval Mintzec4010e2012-09-10 05:51:06 +00003670
3671static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
3672 struct link_params *params)
3673{
3674 struct bnx2x *bp = params->bp;
3675
3676 DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
3677 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3678 MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
3679 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3680 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
3681}
3682
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003683static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
3684 struct link_params *params)
3685{
3686 /* Restart autoneg on the leading lane only */
3687 struct bnx2x *bp = params->bp;
3688 u16 lane = bnx2x_get_warpcore_lane(phy, params);
3689 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3690 MDIO_AER_BLOCK_AER_REG, lane);
3691 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3692 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
3693
3694 /* Restore AER */
3695 bnx2x_set_aer_mmd(params, phy);
3696}
3697
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003698static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
3699 struct link_params *params,
3700 struct link_vars *vars) {
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003701 u16 lane, i, cl72_ctrl, an_adv = 0;
3702 u16 ucode_ver;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003703 struct bnx2x *bp = params->bp;
Yuval Mintza351d492012-06-20 19:05:21 +00003704 static struct bnx2x_reg_set reg_set[] = {
3705 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
Yuval Mintza351d492012-06-20 19:05:21 +00003706 {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
3707 {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
3708 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
3709 /* Disable Autoneg: re-enable it after adv is done. */
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003710 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
3711 {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
3712 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
Yuval Mintza351d492012-06-20 19:05:21 +00003713 };
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003714 DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
Yaniv Rosner6a51c0d2012-04-04 01:28:56 +00003715 /* Set to default registers that may be overriden by 10G force */
Sasha Levinb5a05552012-12-20 09:11:24 +00003716 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
Yuval Mintza351d492012-06-20 19:05:21 +00003717 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3718 reg_set[i].val);
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00003719
Yaniv Rosnerb457bcb2012-10-31 05:46:52 +00003720 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
Yaniv Rosner503976e2012-11-27 03:46:34 +00003721 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003722 cl72_ctrl &= 0x08ff;
Yaniv Rosnerb457bcb2012-10-31 05:46:52 +00003723 cl72_ctrl |= 0x3800;
3724 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
Yaniv Rosner503976e2012-11-27 03:46:34 +00003725 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
Yaniv Rosnerb457bcb2012-10-31 05:46:52 +00003726
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003727 /* Check adding advertisement for 1G KX */
3728 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3729 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3730 (vars->line_speed == SPEED_1000)) {
Yuval Mintza351d492012-06-20 19:05:21 +00003731 u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003732 an_adv |= (1<<5);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003733
3734 /* Enable CL37 1G Parallel Detect */
Yuval Mintza351d492012-06-20 19:05:21 +00003735 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003736 DP(NETIF_MSG_LINK, "Advertize 1G\n");
3737 }
3738 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3739 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
3740 (vars->line_speed == SPEED_10000)) {
3741 /* Check adding advertisement for 10G KR */
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003742 an_adv |= (1<<7);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003743 /* Enable 10G Parallel Detect */
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003744 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3745 MDIO_AER_BLOCK_AER_REG, 0);
3746
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003747 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
Yuval Mintza351d492012-06-20 19:05:21 +00003748 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003749 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003750 DP(NETIF_MSG_LINK, "Advertize 10G\n");
3751 }
3752
3753 /* Set Transmit PMD settings */
3754 lane = bnx2x_get_warpcore_lane(phy, params);
3755 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3756 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3757 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3758 (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3759 (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003760 /* Configure the next lane if dual mode */
3761 if (phy->flags & FLAGS_WC_DUAL_MODE)
3762 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3763 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
3764 ((0x02 <<
3765 MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3766 (0x06 <<
3767 MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3768 (0x09 <<
3769 MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003770 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3771 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
3772 0x03f0);
3773 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3774 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
3775 0x03f0);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003776
3777 /* Advertised speeds */
3778 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003779 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003780
David S. Miller8decf862011-09-22 03:23:13 -04003781 /* Advertised and set FEC (Forward Error Correction) */
3782 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3783 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
3784 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
3785 MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
3786
Yaniv Rosnera34bc962011-07-05 01:06:41 +00003787 /* Enable CL37 BAM */
3788 if (REG_RD(bp, params->shmem_base +
3789 offsetof(struct shmem_region, dev_info.
3790 port_hw_config[params->port].default_cfg)) &
3791 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
Yuval Mintza351d492012-06-20 19:05:21 +00003792 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3793 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
3794 1);
Yaniv Rosnera34bc962011-07-05 01:06:41 +00003795 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
3796 }
3797
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003798 /* Advertise pause */
3799 bnx2x_ext_phy_set_pause(params, phy, vars);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003800 /* Set KR Autoneg Work-Around flag for Warpcore version older than D108
Yaniv Rosner6ab48a52012-01-17 02:33:29 +00003801 */
3802 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003803 MDIO_WC_REG_UC_INFO_B1_VERSION, &ucode_ver);
3804 if (ucode_ver < 0xd108) {
3805 DP(NETIF_MSG_LINK, "Enable AN KR work-around. WC ver:0x%x\n",
3806 ucode_ver);
Yaniv Rosner6ab48a52012-01-17 02:33:29 +00003807 vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
3808 }
Yuval Mintza351d492012-06-20 19:05:21 +00003809 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3810 MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00003811
3812 /* Over 1G - AN local device user page 1 */
3813 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3814 MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
3815
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003816 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
3817 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
3818 (phy->req_line_speed == SPEED_20000)) {
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00003819
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003820 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3821 MDIO_AER_BLOCK_AER_REG, lane);
3822
3823 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3824 MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
3825 (1<<11));
3826
3827 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3828 MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
3829 bnx2x_set_aer_mmd(params, phy);
3830
3831 bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
3832 }
3833
3834 /* Enable Autoneg: only on the main lane */
3835 bnx2x_warpcore_restart_AN_KR(phy, params);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003836}
3837
3838static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
3839 struct link_params *params,
3840 struct link_vars *vars)
3841{
3842 struct bnx2x *bp = params->bp;
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003843 u16 val16, i, lane;
Yuval Mintza351d492012-06-20 19:05:21 +00003844 static struct bnx2x_reg_set reg_set[] = {
3845 /* Disable Autoneg */
3846 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
Yuval Mintza351d492012-06-20 19:05:21 +00003847 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3848 0x3f00},
3849 {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
3850 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
3851 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
3852 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
Yuval Mintza351d492012-06-20 19:05:21 +00003853 /* Leave cl72 training enable, needed for KR */
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003854 {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
Yuval Mintza351d492012-06-20 19:05:21 +00003855 };
3856
Sasha Levinb5a05552012-12-20 09:11:24 +00003857 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
Yuval Mintza351d492012-06-20 19:05:21 +00003858 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3859 reg_set[i].val);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003860
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003861 lane = bnx2x_get_warpcore_lane(phy, params);
3862 /* Global registers */
3863 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3864 MDIO_AER_BLOCK_AER_REG, 0);
3865 /* Disable CL36 PCS Tx */
3866 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3867 MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
3868 val16 &= ~(0x0011 << lane);
3869 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3870 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003871
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003872 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3873 MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
3874 val16 |= (0x0303 << (lane << 1));
3875 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3876 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
3877 /* Restore AER */
3878 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003879 /* Set speed via PMA/PMD register */
3880 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3881 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
3882
3883 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3884 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
3885
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003886 /* Enable encoded forced speed */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003887 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3888 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
3889
3890 /* Turn TX scramble payload only the 64/66 scrambler */
3891 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3892 MDIO_WC_REG_TX66_CONTROL, 0x9);
3893
3894 /* Turn RX scramble payload only the 64/66 scrambler */
3895 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3896 MDIO_WC_REG_RX66_CONTROL, 0xF9);
3897
Yuval Mintzd2310232012-06-20 19:05:19 +00003898 /* Set and clear loopback to cause a reset to 64/66 decoder */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003899 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3900 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
3901 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3902 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3903
3904}
3905
3906static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
3907 struct link_params *params,
3908 u8 is_xfi)
3909{
3910 struct bnx2x *bp = params->bp;
3911 u16 misc1_val, tap_val, tx_driver_val, lane, val;
3912 /* Hold rxSeqStart */
Yuval Mintza351d492012-06-20 19:05:21 +00003913 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3914 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003915
3916 /* Hold tx_fifo_reset */
Yuval Mintza351d492012-06-20 19:05:21 +00003917 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3918 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003919
3920 /* Disable CL73 AN */
3921 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
3922
3923 /* Disable 100FX Enable and Auto-Detect */
Yaniv Rosner503976e2012-11-27 03:46:34 +00003924 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3925 MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003926
3927 /* Disable 100FX Idle detect */
Yuval Mintza351d492012-06-20 19:05:21 +00003928 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3929 MDIO_WC_REG_FX100_CTRL3, 0x0080);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003930
3931 /* Set Block address to Remote PHY & Clear forced_speed[5] */
Yaniv Rosner503976e2012-11-27 03:46:34 +00003932 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3933 MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003934
3935 /* Turn off auto-detect & fiber mode */
Yaniv Rosner503976e2012-11-27 03:46:34 +00003936 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3937 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3938 0xFFEE);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003939
3940 /* Set filter_force_link, disable_false_link and parallel_detect */
3941 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3942 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
3943 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3944 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3945 ((val | 0x0006) & 0xFFFE));
3946
3947 /* Set XFI / SFI */
3948 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3949 MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
3950
3951 misc1_val &= ~(0x1f);
3952
3953 if (is_xfi) {
3954 misc1_val |= 0x5;
3955 tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3956 (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3957 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
3958 tx_driver_val =
3959 ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3960 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3961 (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
3962
3963 } else {
3964 misc1_val |= 0x9;
Yaniv Rosner25182fc2012-04-04 01:28:57 +00003965 tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3966 (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3967 (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003968 tx_driver_val =
Yaniv Rosner25182fc2012-04-04 01:28:57 +00003969 ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003970 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
Yaniv Rosner25182fc2012-04-04 01:28:57 +00003971 (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003972 }
3973 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3974 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
3975
3976 /* Set Transmit PMD settings */
3977 lane = bnx2x_get_warpcore_lane(phy, params);
3978 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3979 MDIO_WC_REG_TX_FIR_TAP,
3980 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
3981 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3982 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3983 tx_driver_val);
3984
3985 /* Enable fiber mode, enable and invert sig_det */
Yuval Mintza351d492012-06-20 19:05:21 +00003986 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3987 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003988
3989 /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
Yuval Mintza351d492012-06-20 19:05:21 +00003990 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3991 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003992
Yuval Mintzec4010e2012-09-10 05:51:06 +00003993 bnx2x_warpcore_set_lpi_passthrough(phy, params);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00003994
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003995 /* 10G XFI Full Duplex */
3996 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3997 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
3998
3999 /* Release tx_fifo_reset */
Yaniv Rosner503976e2012-11-27 03:46:34 +00004000 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4001 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4002 0xFFFE);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004003 /* Release rxSeqStart */
Yaniv Rosner503976e2012-11-27 03:46:34 +00004004 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4005 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004006}
4007
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00004008static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
4009 struct link_params *params)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004010{
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00004011 u16 val;
4012 struct bnx2x *bp = params->bp;
4013 /* Set global registers, so set AER lane to 0 */
4014 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4015 MDIO_AER_BLOCK_AER_REG, 0);
4016
4017 /* Disable sequencer */
4018 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4019 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
4020
4021 bnx2x_set_aer_mmd(params, phy);
4022
4023 bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
4024 MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
4025 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4026 MDIO_AN_REG_CTRL, 0);
4027 /* Turn off CL73 */
4028 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4029 MDIO_WC_REG_CL73_USERB0_CTRL, &val);
4030 val &= ~(1<<5);
4031 val |= (1<<6);
4032 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4033 MDIO_WC_REG_CL73_USERB0_CTRL, val);
4034
4035 /* Set 20G KR2 force speed */
4036 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4037 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
4038
4039 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4040 MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
4041
4042 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4043 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
4044 val &= ~(3<<14);
4045 val |= (1<<15);
4046 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4047 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
4048 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4049 MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
4050
4051 /* Enable sequencer (over lane 0) */
4052 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4053 MDIO_AER_BLOCK_AER_REG, 0);
4054
4055 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4056 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
4057
4058 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004059}
4060
4061static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
4062 struct bnx2x_phy *phy,
4063 u16 lane)
4064{
4065 /* Rx0 anaRxControl1G */
4066 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4067 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
4068
4069 /* Rx2 anaRxControl1G */
4070 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4071 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
4072
4073 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4074 MDIO_WC_REG_RX66_SCW0, 0xE070);
4075
4076 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4077 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
4078
4079 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4080 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
4081
4082 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4083 MDIO_WC_REG_RX66_SCW3, 0x8090);
4084
4085 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4086 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
4087
4088 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4089 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
4090
4091 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4092 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
4093
4094 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4095 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
4096
4097 /* Serdes Digital Misc1 */
4098 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4099 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
4100
4101 /* Serdes Digital4 Misc3 */
4102 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4103 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
4104
4105 /* Set Transmit PMD settings */
4106 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4107 MDIO_WC_REG_TX_FIR_TAP,
4108 ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
4109 (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
4110 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
4111 MDIO_WC_REG_TX_FIR_TAP_ENABLE));
4112 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4113 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4114 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
4115 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
4116 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
4117}
4118
4119static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
4120 struct link_params *params,
Yaniv Rosner521683d2011-11-28 00:49:48 +00004121 u8 fiber_mode,
4122 u8 always_autoneg)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004123{
4124 struct bnx2x *bp = params->bp;
4125 u16 val16, digctrl_kx1, digctrl_kx2;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004126
4127 /* Clear XFI clock comp in non-10G single lane mode. */
Yaniv Rosner503976e2012-11-27 03:46:34 +00004128 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4129 MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004130
Yuval Mintz26964bb2012-09-10 05:51:08 +00004131 bnx2x_warpcore_set_lpi_passthrough(phy, params);
4132
Yaniv Rosner521683d2011-11-28 00:49:48 +00004133 if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004134 /* SGMII Autoneg */
Yaniv Rosner503976e2012-11-27 03:46:34 +00004135 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4136 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4137 0x1000);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004138 DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
4139 } else {
4140 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4141 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
Yaniv Rosner521683d2011-11-28 00:49:48 +00004142 val16 &= 0xcebf;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004143 switch (phy->req_line_speed) {
4144 case SPEED_10:
4145 break;
4146 case SPEED_100:
4147 val16 |= 0x2000;
4148 break;
4149 case SPEED_1000:
4150 val16 |= 0x0040;
4151 break;
4152 default:
Joe Perches94f05b02011-08-14 12:16:20 +00004153 DP(NETIF_MSG_LINK,
4154 "Speed not supported: 0x%x\n", phy->req_line_speed);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004155 return;
4156 }
4157
4158 if (phy->req_duplex == DUPLEX_FULL)
4159 val16 |= 0x0100;
4160
4161 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4162 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
4163
4164 DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
4165 phy->req_line_speed);
4166 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4167 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4168 DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
4169 }
4170
4171 /* SGMII Slave mode and disable signal detect */
4172 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4173 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
4174 if (fiber_mode)
4175 digctrl_kx1 = 1;
4176 else
4177 digctrl_kx1 &= 0xff4a;
4178
4179 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4180 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4181 digctrl_kx1);
4182
4183 /* Turn off parallel detect */
4184 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4185 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
4186 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4187 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4188 (digctrl_kx2 & ~(1<<2)));
4189
4190 /* Re-enable parallel detect */
4191 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4192 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4193 (digctrl_kx2 | (1<<2)));
4194
4195 /* Enable autodet */
4196 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4197 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4198 (digctrl_kx1 | 0x10));
4199}
4200
4201static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
4202 struct bnx2x_phy *phy,
4203 u8 reset)
4204{
4205 u16 val;
4206 /* Take lane out of reset after configuration is finished */
4207 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4208 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4209 if (reset)
4210 val |= 0xC000;
4211 else
4212 val &= 0x3FFF;
4213 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4214 MDIO_WC_REG_DIGITAL5_MISC6, val);
4215 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4216 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4217}
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004218/* Clear SFI/XFI link settings registers */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004219static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
4220 struct link_params *params,
4221 u16 lane)
4222{
4223 struct bnx2x *bp = params->bp;
Yuval Mintza351d492012-06-20 19:05:21 +00004224 u16 i;
4225 static struct bnx2x_reg_set wc_regs[] = {
4226 {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
4227 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
4228 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
4229 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
4230 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4231 0x0195},
4232 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4233 0x0007},
4234 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4235 0x0002},
4236 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
4237 {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
4238 {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
4239 {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
4240 };
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004241 /* Set XFI clock comp as default. */
Yuval Mintza351d492012-06-20 19:05:21 +00004242 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4243 MDIO_WC_REG_RX66_CONTROL, (3<<13));
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004244
Sasha Levinb5a05552012-12-20 09:11:24 +00004245 for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
Yuval Mintza351d492012-06-20 19:05:21 +00004246 bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
4247 wc_regs[i].val);
4248
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004249 lane = bnx2x_get_warpcore_lane(phy, params);
4250 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004251 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
Yuval Mintza351d492012-06-20 19:05:21 +00004252
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004253}
4254
4255static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
4256 u32 chip_id,
4257 u32 shmem_base, u8 port,
4258 u8 *gpio_num, u8 *gpio_port)
4259{
4260 u32 cfg_pin;
4261 *gpio_num = 0;
4262 *gpio_port = 0;
4263 if (CHIP_IS_E3(bp)) {
4264 cfg_pin = (REG_RD(bp, shmem_base +
4265 offsetof(struct shmem_region,
4266 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4267 PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4268 PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4269
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004270 /* Should not happen. This function called upon interrupt
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004271 * triggered by GPIO ( since EPIO can only generate interrupts
4272 * to MCP).
4273 * So if this function was called and none of the GPIOs was set,
4274 * it means the shit hit the fan.
4275 */
4276 if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4277 (cfg_pin > PIN_CFG_GPIO3_P1)) {
Joe Perches94f05b02011-08-14 12:16:20 +00004278 DP(NETIF_MSG_LINK,
Yaniv Rosner503976e2012-11-27 03:46:34 +00004279 "No cfg pin %x for module detect indication\n",
Joe Perches94f05b02011-08-14 12:16:20 +00004280 cfg_pin);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004281 return -EINVAL;
4282 }
4283
4284 *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4285 *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4286 } else {
4287 *gpio_num = MISC_REGISTERS_GPIO_3;
4288 *gpio_port = port;
4289 }
Yaniv Rosner503976e2012-11-27 03:46:34 +00004290
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004291 return 0;
4292}
4293
4294static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
4295 struct link_params *params)
4296{
4297 struct bnx2x *bp = params->bp;
4298 u8 gpio_num, gpio_port;
4299 u32 gpio_val;
4300 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
4301 params->shmem_base, params->port,
4302 &gpio_num, &gpio_port) != 0)
4303 return 0;
4304 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
4305
4306 /* Call the handling function in case module is detected */
4307 if (gpio_val == 0)
4308 return 1;
4309 else
4310 return 0;
4311}
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004312static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
Yaniv Rosner503976e2012-11-27 03:46:34 +00004313 struct link_params *params)
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004314{
4315 u16 gp2_status_reg0, lane;
4316 struct bnx2x *bp = params->bp;
4317
4318 lane = bnx2x_get_warpcore_lane(phy, params);
4319
4320 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
4321 &gp2_status_reg0);
4322
4323 return (gp2_status_reg0 >> (8+lane)) & 0x1;
4324}
4325
4326static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
Yaniv Rosner503976e2012-11-27 03:46:34 +00004327 struct link_params *params,
4328 struct link_vars *vars)
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004329{
4330 struct bnx2x *bp = params->bp;
4331 u32 serdes_net_if;
4332 u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
4333 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4334
4335 vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
4336
4337 if (!vars->turn_to_run_wc_rt)
4338 return;
4339
Yuval Mintzd2310232012-06-20 19:05:19 +00004340 /* Return if there is no link partner */
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004341 if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
4342 DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
4343 return;
4344 }
4345
4346 if (vars->rx_tx_asic_rst) {
4347 serdes_net_if = (REG_RD(bp, params->shmem_base +
4348 offsetof(struct shmem_region, dev_info.
4349 port_hw_config[params->port].default_cfg)) &
4350 PORT_HW_CFG_NET_SERDES_IF_MASK);
4351
4352 switch (serdes_net_if) {
4353 case PORT_HW_CFG_NET_SERDES_IF_KR:
4354 /* Do we get link yet? */
4355 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
Yaniv Rosner503976e2012-11-27 03:46:34 +00004356 &gp_status1);
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004357 lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
4358 /*10G KR*/
4359 lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
4360
4361 DP(NETIF_MSG_LINK,
4362 "gp_status1 0x%x\n", gp_status1);
4363
4364 if (lnkup_kr || lnkup) {
4365 vars->rx_tx_asic_rst = 0;
4366 DP(NETIF_MSG_LINK,
4367 "link up, rx_tx_asic_rst 0x%x\n",
4368 vars->rx_tx_asic_rst);
4369 } else {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004370 /* Reset the lane to see if link comes up.*/
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004371 bnx2x_warpcore_reset_lane(bp, phy, 1);
4372 bnx2x_warpcore_reset_lane(bp, phy, 0);
4373
Yuval Mintzd2310232012-06-20 19:05:19 +00004374 /* Restart Autoneg */
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004375 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4376 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4377
4378 vars->rx_tx_asic_rst--;
4379 DP(NETIF_MSG_LINK, "0x%x retry left\n",
4380 vars->rx_tx_asic_rst);
4381 }
4382 break;
4383
4384 default:
4385 break;
4386 }
4387
4388 } /*params->rx_tx_asic_rst*/
4389
4390}
Yuval Mintzdbef8072012-06-20 19:05:22 +00004391static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
4392 struct link_params *params)
4393{
4394 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4395 struct bnx2x *bp = params->bp;
4396 bnx2x_warpcore_clear_regs(phy, params, lane);
4397 if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
4398 SPEED_10000) &&
4399 (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
4400 DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
4401 bnx2x_warpcore_set_10G_XFI(phy, params, 0);
4402 } else {
4403 DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
4404 bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
4405 }
4406}
4407
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00004408static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
4409 struct bnx2x_phy *phy,
4410 u8 tx_en)
4411{
4412 struct bnx2x *bp = params->bp;
4413 u32 cfg_pin;
4414 u8 port = params->port;
4415
4416 cfg_pin = REG_RD(bp, params->shmem_base +
4417 offsetof(struct shmem_region,
4418 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4419 PORT_HW_CFG_E3_TX_LASER_MASK;
4420 /* Set the !tx_en since this pin is DISABLE_TX_LASER */
4421 DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
4422
4423 /* For 20G, the expected pin to be used is 3 pins after the current */
4424 bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
4425 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4426 bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
4427}
4428
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004429static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
4430 struct link_params *params,
4431 struct link_vars *vars)
4432{
4433 struct bnx2x *bp = params->bp;
4434 u32 serdes_net_if;
4435 u8 fiber_mode;
4436 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4437 serdes_net_if = (REG_RD(bp, params->shmem_base +
4438 offsetof(struct shmem_region, dev_info.
4439 port_hw_config[params->port].default_cfg)) &
4440 PORT_HW_CFG_NET_SERDES_IF_MASK);
4441 DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
4442 "serdes_net_if = 0x%x\n",
4443 vars->line_speed, serdes_net_if);
4444 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00004445 bnx2x_warpcore_reset_lane(bp, phy, 1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004446 vars->phy_flags |= PHY_XGXS_FLAG;
4447 if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4448 (phy->req_line_speed &&
4449 ((phy->req_line_speed == SPEED_100) ||
4450 (phy->req_line_speed == SPEED_10)))) {
4451 vars->phy_flags |= PHY_SGMII_FLAG;
4452 DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
4453 bnx2x_warpcore_clear_regs(phy, params, lane);
Yaniv Rosner521683d2011-11-28 00:49:48 +00004454 bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004455 } else {
4456 switch (serdes_net_if) {
4457 case PORT_HW_CFG_NET_SERDES_IF_KR:
4458 /* Enable KR Auto Neg */
Yaniv Rosner6a51c0d2012-04-04 01:28:56 +00004459 if (params->loopback_mode != LOOPBACK_EXT)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004460 bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4461 else {
4462 DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
4463 bnx2x_warpcore_set_10G_KR(phy, params, vars);
4464 }
4465 break;
4466
4467 case PORT_HW_CFG_NET_SERDES_IF_XFI:
4468 bnx2x_warpcore_clear_regs(phy, params, lane);
4469 if (vars->line_speed == SPEED_10000) {
4470 DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
4471 bnx2x_warpcore_set_10G_XFI(phy, params, 1);
4472 } else {
4473 if (SINGLE_MEDIA_DIRECT(params)) {
4474 DP(NETIF_MSG_LINK, "1G Fiber\n");
4475 fiber_mode = 1;
4476 } else {
4477 DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
4478 fiber_mode = 0;
4479 }
4480 bnx2x_warpcore_set_sgmii_speed(phy,
4481 params,
Yaniv Rosner521683d2011-11-28 00:49:48 +00004482 fiber_mode,
4483 0);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004484 }
4485
4486 break;
4487
4488 case PORT_HW_CFG_NET_SERDES_IF_SFI:
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00004489 /* Issue Module detection if module is plugged, or
4490 * enabled transmitter to avoid current leakage in case
4491 * no module is connected
4492 */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004493 if (bnx2x_is_sfp_module_plugged(phy, params))
4494 bnx2x_sfp_module_detection(phy, params);
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00004495 else
4496 bnx2x_sfp_e3_set_transmitter(params, phy, 1);
Yuval Mintzdbef8072012-06-20 19:05:22 +00004497
4498 bnx2x_warpcore_config_sfi(phy, params);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004499 break;
4500
4501 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4502 if (vars->line_speed != SPEED_20000) {
4503 DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4504 return;
4505 }
4506 DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
4507 bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
4508 /* Issue Module detection */
4509
4510 bnx2x_sfp_module_detection(phy, params);
4511 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004512 case PORT_HW_CFG_NET_SERDES_IF_KR2:
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00004513 if (!params->loopback_mode) {
4514 bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4515 } else {
4516 DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
4517 bnx2x_warpcore_set_20G_force_KR2(phy, params);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004518 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004519 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004520 default:
Joe Perches94f05b02011-08-14 12:16:20 +00004521 DP(NETIF_MSG_LINK,
4522 "Unsupported Serdes Net Interface 0x%x\n",
4523 serdes_net_if);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004524 return;
4525 }
4526 }
4527
4528 /* Take lane out of reset after configuration is finished */
4529 bnx2x_warpcore_reset_lane(bp, phy, 0);
4530 DP(NETIF_MSG_LINK, "Exit config init\n");
4531}
4532
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004533static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
4534 struct link_params *params)
4535{
4536 struct bnx2x *bp = params->bp;
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00004537 u16 val16, lane;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004538 bnx2x_sfp_e3_set_transmitter(params, phy, 0);
Yaniv Rosner55386fe82012-11-27 03:46:30 +00004539 bnx2x_set_mdio_emac_per_phy(bp, params);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004540 bnx2x_set_aer_mmd(params, phy);
4541 /* Global register */
4542 bnx2x_warpcore_reset_lane(bp, phy, 1);
4543
4544 /* Clear loopback settings (if any) */
4545 /* 10G & 20G */
Yaniv Rosner503976e2012-11-27 03:46:34 +00004546 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4547 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004548
Yaniv Rosner503976e2012-11-27 03:46:34 +00004549 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4550 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004551
4552 /* Update those 1-copy registers */
4553 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4554 MDIO_AER_BLOCK_AER_REG, 0);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004555 /* Enable 1G MDIO (1-copy) */
Yaniv Rosner503976e2012-11-27 03:46:34 +00004556 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4557 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4558 ~0x10);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004559
Yaniv Rosner503976e2012-11-27 03:46:34 +00004560 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4561 MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00004562 lane = bnx2x_get_warpcore_lane(phy, params);
4563 /* Disable CL36 PCS Tx */
4564 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4565 MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
4566 val16 |= (0x11 << lane);
4567 if (phy->flags & FLAGS_WC_DUAL_MODE)
4568 val16 |= (0x22 << lane);
4569 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4570 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
4571
4572 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4573 MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
4574 val16 &= ~(0x0303 << (lane << 1));
4575 val16 |= (0x0101 << (lane << 1));
4576 if (phy->flags & FLAGS_WC_DUAL_MODE) {
4577 val16 &= ~(0x0c0c << (lane << 1));
4578 val16 |= (0x0404 << (lane << 1));
4579 }
4580
4581 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4582 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
4583 /* Restore AER */
4584 bnx2x_set_aer_mmd(params, phy);
4585
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004586}
4587
4588static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
4589 struct link_params *params)
4590{
4591 struct bnx2x *bp = params->bp;
4592 u16 val16;
4593 u32 lane;
4594 DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
4595 params->loopback_mode, phy->req_line_speed);
4596
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00004597 if (phy->req_line_speed < SPEED_10000 ||
4598 phy->supported & SUPPORTED_20000baseKR2_Full) {
4599 /* 10/100/1000/20G-KR2 */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004600
4601 /* Update those 1-copy registers */
4602 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4603 MDIO_AER_BLOCK_AER_REG, 0);
4604 /* Enable 1G MDIO (1-copy) */
Yuval Mintza351d492012-06-20 19:05:21 +00004605 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4606 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4607 0x10);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004608 /* Set 1G loopback based on lane (1-copy) */
4609 lane = bnx2x_get_warpcore_lane(phy, params);
4610 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4611 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00004612 val16 |= (1<<lane);
4613 if (phy->flags & FLAGS_WC_DUAL_MODE)
4614 val16 |= (2<<lane);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004615 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
Yaniv Rosner503976e2012-11-27 03:46:34 +00004616 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4617 val16);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004618
4619 /* Switch back to 4-copy registers */
4620 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004621 } else {
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00004622 /* 10G / 20G-DXGXS */
Yuval Mintza351d492012-06-20 19:05:21 +00004623 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4624 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4625 0x4000);
Yuval Mintza351d492012-06-20 19:05:21 +00004626 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4627 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004628 }
4629}
4630
4631
Yuval Mintzd2310232012-06-20 19:05:19 +00004632
4633static void bnx2x_sync_link(struct link_params *params,
4634 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004635{
4636 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004637 u8 link_10g_plus;
Yaniv Rosnerde6f3372011-08-02 22:59:25 +00004638 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4639 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004640 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004641 if (vars->link_up) {
4642 DP(NETIF_MSG_LINK, "phy link up\n");
4643
4644 vars->phy_link_up = 1;
4645 vars->duplex = DUPLEX_FULL;
4646 switch (vars->link_status &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004647 LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004648 case LINK_10THD:
4649 vars->duplex = DUPLEX_HALF;
4650 /* Fall thru */
4651 case LINK_10TFD:
4652 vars->line_speed = SPEED_10;
4653 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004654
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004655 case LINK_100TXHD:
4656 vars->duplex = DUPLEX_HALF;
4657 /* Fall thru */
4658 case LINK_100T4:
4659 case LINK_100TXFD:
4660 vars->line_speed = SPEED_100;
4661 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004662
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004663 case LINK_1000THD:
4664 vars->duplex = DUPLEX_HALF;
4665 /* Fall thru */
4666 case LINK_1000TFD:
4667 vars->line_speed = SPEED_1000;
4668 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004669
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004670 case LINK_2500THD:
4671 vars->duplex = DUPLEX_HALF;
4672 /* Fall thru */
4673 case LINK_2500TFD:
4674 vars->line_speed = SPEED_2500;
4675 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004676
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004677 case LINK_10GTFD:
4678 vars->line_speed = SPEED_10000;
4679 break;
4680 case LINK_20GTFD:
4681 vars->line_speed = SPEED_20000;
4682 break;
4683 default:
4684 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004685 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004686 vars->flow_ctrl = 0;
4687 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
4688 vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
4689
4690 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
4691 vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
4692
4693 if (!vars->flow_ctrl)
4694 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4695
4696 if (vars->line_speed &&
4697 ((vars->line_speed == SPEED_10) ||
4698 (vars->line_speed == SPEED_100))) {
4699 vars->phy_flags |= PHY_SGMII_FLAG;
4700 } else {
4701 vars->phy_flags &= ~PHY_SGMII_FLAG;
4702 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004703 if (vars->line_speed &&
4704 USES_WARPCORE(bp) &&
4705 (vars->line_speed == SPEED_1000))
4706 vars->phy_flags |= PHY_SGMII_FLAG;
Yuval Mintzd2310232012-06-20 19:05:19 +00004707 /* Anything 10 and over uses the bmac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004708 link_10g_plus = (vars->line_speed >= SPEED_10000);
4709
4710 if (link_10g_plus) {
4711 if (USES_WARPCORE(bp))
4712 vars->mac_type = MAC_TYPE_XMAC;
4713 else
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004714 vars->mac_type = MAC_TYPE_BMAC;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004715 } else {
4716 if (USES_WARPCORE(bp))
4717 vars->mac_type = MAC_TYPE_UMAC;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004718 else
4719 vars->mac_type = MAC_TYPE_EMAC;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004720 }
Yuval Mintzd2310232012-06-20 19:05:19 +00004721 } else { /* Link down */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004722 DP(NETIF_MSG_LINK, "phy link down\n");
4723
4724 vars->phy_link_up = 0;
4725
4726 vars->line_speed = 0;
4727 vars->duplex = DUPLEX_FULL;
4728 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4729
Yuval Mintzd2310232012-06-20 19:05:19 +00004730 /* Indicate no mac active */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004731 vars->mac_type = MAC_TYPE_NONE;
Yaniv Rosnerde6f3372011-08-02 22:59:25 +00004732 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4733 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +00004734 if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
4735 vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004736 }
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004737}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004738
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004739void bnx2x_link_status_update(struct link_params *params,
4740 struct link_vars *vars)
4741{
4742 struct bnx2x *bp = params->bp;
4743 u8 port = params->port;
4744 u32 sync_offset, media_types;
4745 /* Update PHY configuration */
4746 set_phy_vars(params, vars);
4747
4748 vars->link_status = REG_RD(bp, params->shmem_base +
4749 offsetof(struct shmem_region,
4750 port_mb[port].link_status));
Yuval Mintz08e9acc2012-09-10 05:51:04 +00004751 if (bnx2x_eee_has_cap(params))
4752 vars->eee_status = REG_RD(bp, params->shmem2_base +
4753 offsetof(struct shmem2_region,
4754 eee_status[params->port]));
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004755
4756 vars->phy_flags = PHY_XGXS_FLAG;
4757 bnx2x_sync_link(params, vars);
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00004758 /* Sync media type */
4759 sync_offset = params->shmem_base +
4760 offsetof(struct shmem_region,
4761 dev_info.port_hw_config[port].media_type);
4762 media_types = REG_RD(bp, sync_offset);
4763
4764 params->phy[INT_PHY].media_type =
4765 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
4766 PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
4767 params->phy[EXT_PHY1].media_type =
4768 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
4769 PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
4770 params->phy[EXT_PHY2].media_type =
4771 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
4772 PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
4773 DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
4774
Yaniv Rosner020c7e32011-05-31 21:28:43 +00004775 /* Sync AEU offset */
4776 sync_offset = params->shmem_base +
4777 offsetof(struct shmem_region,
4778 dev_info.port_hw_config[port].aeu_int_mask);
4779
4780 vars->aeu_int_mask = REG_RD(bp, sync_offset);
4781
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00004782 /* Sync PFC status */
4783 if (vars->link_status & LINK_STATUS_PFC_ENABLED)
4784 params->feature_config_flags |=
4785 FEATURE_CONFIG_PFC_ENABLED;
4786 else
4787 params->feature_config_flags &=
4788 ~FEATURE_CONFIG_PFC_ENABLED;
4789
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00004790 if (SHMEM2_HAS(bp, link_attr_sync))
4791 vars->link_attr_sync = SHMEM2_RD(bp,
4792 link_attr_sync[params->port]);
4793
Yaniv Rosner020c7e32011-05-31 21:28:43 +00004794 DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
4795 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004796 DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
4797 vars->line_speed, vars->duplex, vars->flow_ctrl);
4798}
4799
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004800static void bnx2x_set_master_ln(struct link_params *params,
4801 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004802{
4803 struct bnx2x *bp = params->bp;
4804 u16 new_master_ln, ser_lane;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004805 ser_lane = ((params->lane_config &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004806 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004807 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004808
Yuval Mintzd2310232012-06-20 19:05:19 +00004809 /* Set the master_ln for AN */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004810 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004811 MDIO_REG_BANK_XGXS_BLOCK2,
4812 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4813 &new_master_ln);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004814
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004815 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004816 MDIO_REG_BANK_XGXS_BLOCK2 ,
4817 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4818 (new_master_ln | ser_lane));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004819}
4820
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004821static int bnx2x_reset_unicore(struct link_params *params,
4822 struct bnx2x_phy *phy,
4823 u8 set_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004824{
4825 struct bnx2x *bp = params->bp;
4826 u16 mii_control;
4827 u16 i;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004828 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004829 MDIO_REG_BANK_COMBO_IEEE0,
4830 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004831
Yuval Mintzd2310232012-06-20 19:05:19 +00004832 /* Reset the unicore */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004833 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004834 MDIO_REG_BANK_COMBO_IEEE0,
4835 MDIO_COMBO_IEEE0_MII_CONTROL,
4836 (mii_control |
4837 MDIO_COMBO_IEEO_MII_CONTROL_RESET));
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004838 if (set_serdes)
4839 bnx2x_set_serdes_access(bp, params->port);
Eilon Greensteinc1b73992009-02-12 08:37:07 +00004840
Yuval Mintzd2310232012-06-20 19:05:19 +00004841 /* Wait for the reset to self clear */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004842 for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
4843 udelay(5);
4844
Yuval Mintzd2310232012-06-20 19:05:19 +00004845 /* The reset erased the previous bank value */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004846 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004847 MDIO_REG_BANK_COMBO_IEEE0,
4848 MDIO_COMBO_IEEE0_MII_CONTROL,
4849 &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004850
4851 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
4852 udelay(5);
4853 return 0;
4854 }
4855 }
4856
Yaniv Rosner6d870c32011-01-31 04:22:20 +00004857 netdev_err(bp->dev, "Warning: PHY was not initialized,"
4858 " Port %d\n",
4859 params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004860 DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
4861 return -EINVAL;
4862
4863}
4864
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004865static void bnx2x_set_swap_lanes(struct link_params *params,
4866 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004867{
4868 struct bnx2x *bp = params->bp;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004869 /* Each two bits represents a lane number:
4870 * No swap is 0123 => 0x1b no need to enable the swap
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004871 */
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004872 u16 rx_lane_swap, tx_lane_swap;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004873
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004874 rx_lane_swap = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004875 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
4876 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004877 tx_lane_swap = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004878 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
4879 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004880
4881 if (rx_lane_swap != 0x1b) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004882 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004883 MDIO_REG_BANK_XGXS_BLOCK2,
4884 MDIO_XGXS_BLOCK2_RX_LN_SWAP,
4885 (rx_lane_swap |
4886 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
4887 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004888 } else {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004889 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004890 MDIO_REG_BANK_XGXS_BLOCK2,
4891 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004892 }
4893
4894 if (tx_lane_swap != 0x1b) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004895 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004896 MDIO_REG_BANK_XGXS_BLOCK2,
4897 MDIO_XGXS_BLOCK2_TX_LN_SWAP,
4898 (tx_lane_swap |
4899 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004900 } else {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004901 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004902 MDIO_REG_BANK_XGXS_BLOCK2,
4903 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004904 }
4905}
4906
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004907static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
4908 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004909{
4910 struct bnx2x *bp = params->bp;
4911 u16 control2;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004912 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004913 MDIO_REG_BANK_SERDES_DIGITAL,
4914 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4915 &control2);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004916 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02004917 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4918 else
4919 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004920 DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
4921 phy->speed_cap_mask, control2);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004922 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004923 MDIO_REG_BANK_SERDES_DIGITAL,
4924 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4925 control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004926
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004927 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00004928 (phy->speed_cap_mask &
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02004929 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004930 DP(NETIF_MSG_LINK, "XGXS\n");
4931
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004932 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004933 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4934 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
4935 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004936
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004937 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004938 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4939 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4940 &control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004941
4942
4943 control2 |=
4944 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
4945
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004946 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004947 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4948 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4949 control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004950
4951 /* Disable parallel detection of HiG */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004952 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004953 MDIO_REG_BANK_XGXS_BLOCK2,
4954 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
4955 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
4956 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004957 }
4958}
4959
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004960static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
4961 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004962 struct link_vars *vars,
4963 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004964{
4965 struct bnx2x *bp = params->bp;
4966 u16 reg_val;
4967
4968 /* CL37 Autoneg */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004969 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004970 MDIO_REG_BANK_COMBO_IEEE0,
4971 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004972
4973 /* CL37 Autoneg Enabled */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004974 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004975 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
4976 else /* CL37 Autoneg Disabled */
4977 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4978 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
4979
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004980 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004981 MDIO_REG_BANK_COMBO_IEEE0,
4982 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004983
4984 /* Enable/Disable Autodetection */
4985
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004986 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004987 MDIO_REG_BANK_SERDES_DIGITAL,
4988 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00004989 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
4990 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
4991 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004992 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004993 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
4994 else
4995 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
4996
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004997 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004998 MDIO_REG_BANK_SERDES_DIGITAL,
4999 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005000
5001 /* Enable TetonII and BAM autoneg */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005002 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005003 MDIO_REG_BANK_BAM_NEXT_PAGE,
5004 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005005 &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005006 if (vars->line_speed == SPEED_AUTO_NEG) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005007 /* Enable BAM aneg Mode and TetonII aneg Mode */
5008 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5009 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5010 } else {
5011 /* TetonII and BAM Autoneg Disabled */
5012 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5013 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5014 }
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005015 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005016 MDIO_REG_BANK_BAM_NEXT_PAGE,
5017 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5018 reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005019
Eilon Greenstein239d6862009-08-12 08:23:04 +00005020 if (enable_cl73) {
5021 /* Enable Cl73 FSM status bits */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005022 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005023 MDIO_REG_BANK_CL73_USERB0,
5024 MDIO_CL73_USERB0_CL73_UCTRL,
5025 0xe);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005026
5027 /* Enable BAM Station Manager*/
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005028 CL22_WR_OVER_CL45(bp, phy,
Eilon Greenstein239d6862009-08-12 08:23:04 +00005029 MDIO_REG_BANK_CL73_USERB0,
5030 MDIO_CL73_USERB0_CL73_BAM_CTRL1,
5031 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
5032 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
5033 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
5034
Yaniv Rosner7846e472009-11-05 19:18:07 +02005035 /* Advertise CL73 link speeds */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005036 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005037 MDIO_REG_BANK_CL73_IEEEB1,
5038 MDIO_CL73_IEEEB1_AN_ADV2,
5039 &reg_val);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005040 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02005041 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5042 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005043 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02005044 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5045 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
Eilon Greenstein239d6862009-08-12 08:23:04 +00005046
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005047 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005048 MDIO_REG_BANK_CL73_IEEEB1,
5049 MDIO_CL73_IEEEB1_AN_ADV2,
5050 reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005051
Eilon Greenstein239d6862009-08-12 08:23:04 +00005052 /* CL73 Autoneg Enabled */
5053 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
5054
5055 } else /* CL73 Autoneg Disabled */
5056 reg_val = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005057
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005058 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005059 MDIO_REG_BANK_CL73_IEEEB0,
5060 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005061}
5062
Yuval Mintzd2310232012-06-20 19:05:19 +00005063/* Program SerDes, forced speed */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005064static void bnx2x_program_serdes(struct bnx2x_phy *phy,
5065 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005066 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005067{
5068 struct bnx2x *bp = params->bp;
5069 u16 reg_val;
5070
Yuval Mintzd2310232012-06-20 19:05:19 +00005071 /* Program duplex, disable autoneg and sgmii*/
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005072 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005073 MDIO_REG_BANK_COMBO_IEEE0,
5074 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005075 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
Eilon Greenstein57937202009-08-12 08:23:53 +00005076 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5077 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005078 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005079 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005080 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005081 MDIO_REG_BANK_COMBO_IEEE0,
5082 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005083
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00005084 /* Program speed
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005085 * - needed only if the speed is greater than 1G (2.5G or 10G)
5086 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005087 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005088 MDIO_REG_BANK_SERDES_DIGITAL,
5089 MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Yuval Mintzd2310232012-06-20 19:05:19 +00005090 /* Clearing the speed value before setting the right speed */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005091 DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
5092
5093 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
5094 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5095
5096 if (!((vars->line_speed == SPEED_1000) ||
5097 (vars->line_speed == SPEED_100) ||
5098 (vars->line_speed == SPEED_10))) {
5099
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005100 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
5101 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005102 if (vars->line_speed == SPEED_10000)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005103 reg_val |=
5104 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005105 }
5106
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005107 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005108 MDIO_REG_BANK_SERDES_DIGITAL,
5109 MDIO_SERDES_DIGITAL_MISC1, reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005110
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005111}
5112
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005113static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
5114 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005115{
5116 struct bnx2x *bp = params->bp;
5117 u16 val = 0;
5118
Yuval Mintzd2310232012-06-20 19:05:19 +00005119 /* Set extended capabilities */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005120 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005121 val |= MDIO_OVER_1G_UP1_2_5G;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005122 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005123 val |= MDIO_OVER_1G_UP1_10G;
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_OVER_1G,
5126 MDIO_OVER_1G_UP1, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005127
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005128 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005129 MDIO_REG_BANK_OVER_1G,
5130 MDIO_OVER_1G_UP3, 0x400);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005131}
5132
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005133static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
5134 struct link_params *params,
5135 u16 ieee_fc)
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005136{
5137 struct bnx2x *bp = params->bp;
Yaniv Rosner7846e472009-11-05 19:18:07 +02005138 u16 val;
Yuval Mintzd2310232012-06-20 19:05:19 +00005139 /* For AN, we are always publishing full duplex */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005140
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005141 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005142 MDIO_REG_BANK_COMBO_IEEE0,
5143 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005144 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005145 MDIO_REG_BANK_CL73_IEEEB1,
5146 MDIO_CL73_IEEEB1_AN_ADV1, &val);
Yaniv Rosner7846e472009-11-05 19:18:07 +02005147 val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
5148 val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005149 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005150 MDIO_REG_BANK_CL73_IEEEB1,
5151 MDIO_CL73_IEEEB1_AN_ADV1, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005152}
5153
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005154static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
5155 struct link_params *params,
5156 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005157{
5158 struct bnx2x *bp = params->bp;
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00005159 u16 mii_control;
Eilon Greenstein239d6862009-08-12 08:23:04 +00005160
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005161 DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00005162 /* Enable and restart BAM/CL37 aneg */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005163
Eilon Greenstein239d6862009-08-12 08:23:04 +00005164 if (enable_cl73) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005165 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005166 MDIO_REG_BANK_CL73_IEEEB0,
5167 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5168 &mii_control);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005169
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005170 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005171 MDIO_REG_BANK_CL73_IEEEB0,
5172 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5173 (mii_control |
5174 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
5175 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
Eilon Greenstein239d6862009-08-12 08:23:04 +00005176 } else {
5177
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005178 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005179 MDIO_REG_BANK_COMBO_IEEE0,
5180 MDIO_COMBO_IEEE0_MII_CONTROL,
5181 &mii_control);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005182 DP(NETIF_MSG_LINK,
5183 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
5184 mii_control);
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_MII_CONTROL,
5188 (mii_control |
5189 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5190 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
Eilon Greenstein239d6862009-08-12 08:23:04 +00005191 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005192}
5193
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005194static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
5195 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005196 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005197{
5198 struct bnx2x *bp = params->bp;
5199 u16 control1;
5200
Yuval Mintzd2310232012-06-20 19:05:19 +00005201 /* In SGMII mode, the unicore is always slave */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005202
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005203 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005204 MDIO_REG_BANK_SERDES_DIGITAL,
5205 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5206 &control1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005207 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
Yuval Mintzd2310232012-06-20 19:05:19 +00005208 /* Set sgmii mode (and not fiber) */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005209 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
5210 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
5211 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005212 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005213 MDIO_REG_BANK_SERDES_DIGITAL,
5214 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5215 control1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005216
Yuval Mintzd2310232012-06-20 19:05:19 +00005217 /* If forced speed */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005218 if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Yuval Mintzd2310232012-06-20 19:05:19 +00005219 /* Set speed, disable autoneg */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005220 u16 mii_control;
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);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005226 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5227 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
5228 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
5229
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005230 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005231 case SPEED_100:
5232 mii_control |=
5233 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
5234 break;
5235 case SPEED_1000:
5236 mii_control |=
5237 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
5238 break;
5239 case SPEED_10:
Yuval Mintzd2310232012-06-20 19:05:19 +00005240 /* There is nothing to set for 10M */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005241 break;
5242 default:
Yuval Mintzd2310232012-06-20 19:05:19 +00005243 /* Invalid speed for SGMII */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005244 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5245 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005246 break;
5247 }
5248
Yuval Mintzd2310232012-06-20 19:05:19 +00005249 /* Setting the full duplex */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005250 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005251 mii_control |=
5252 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005253 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005254 MDIO_REG_BANK_COMBO_IEEE0,
5255 MDIO_COMBO_IEEE0_MII_CONTROL,
5256 mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005257
5258 } else { /* AN mode */
Yuval Mintzd2310232012-06-20 19:05:19 +00005259 /* Enable and restart AN */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005260 bnx2x_restart_autoneg(phy, params, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005261 }
5262}
5263
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00005264/* Link management
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005265 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005266static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
5267 struct link_params *params)
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02005268{
5269 struct bnx2x *bp = params->bp;
5270 u16 pd_10g, status2_1000x;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005271 if (phy->req_line_speed != SPEED_AUTO_NEG)
5272 return 0;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005273 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005274 MDIO_REG_BANK_SERDES_DIGITAL,
5275 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5276 &status2_1000x);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005277 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005278 MDIO_REG_BANK_SERDES_DIGITAL,
5279 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5280 &status2_1000x);
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02005281 if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
5282 DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
5283 params->port);
5284 return 1;
5285 }
5286
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005287 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005288 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5289 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
5290 &pd_10g);
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02005291
5292 if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
5293 DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
5294 params->port);
5295 return 1;
5296 }
5297 return 0;
5298}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005299
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005300static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
5301 struct link_params *params,
5302 struct link_vars *vars,
5303 u32 gp_status)
5304{
5305 u16 ld_pause; /* local driver */
5306 u16 lp_pause; /* link partner */
5307 u16 pause_result;
5308 struct bnx2x *bp = params->bp;
5309 if ((gp_status &
5310 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5311 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
5312 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5313 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
5314
5315 CL22_RD_OVER_CL45(bp, phy,
5316 MDIO_REG_BANK_CL73_IEEEB1,
5317 MDIO_CL73_IEEEB1_AN_ADV1,
5318 &ld_pause);
5319 CL22_RD_OVER_CL45(bp, phy,
5320 MDIO_REG_BANK_CL73_IEEEB1,
5321 MDIO_CL73_IEEEB1_AN_LP_ADV1,
5322 &lp_pause);
5323 pause_result = (ld_pause &
5324 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
5325 pause_result |= (lp_pause &
5326 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
5327 DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
5328 } else {
5329 CL22_RD_OVER_CL45(bp, phy,
5330 MDIO_REG_BANK_COMBO_IEEE0,
5331 MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
5332 &ld_pause);
5333 CL22_RD_OVER_CL45(bp, phy,
5334 MDIO_REG_BANK_COMBO_IEEE0,
5335 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
5336 &lp_pause);
5337 pause_result = (ld_pause &
5338 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
5339 pause_result |= (lp_pause &
5340 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
5341 DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
5342 }
5343 bnx2x_pause_resolve(vars, pause_result);
5344
5345}
5346
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005347static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
5348 struct link_params *params,
5349 struct link_vars *vars,
5350 u32 gp_status)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005351{
5352 struct bnx2x *bp = params->bp;
David S. Millerc0700f92008-12-16 23:53:20 -08005353 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005354
Yuval Mintzd2310232012-06-20 19:05:19 +00005355 /* Resolve from gp_status in case of AN complete and not sgmii */
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005356 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
5357 /* Update the advertised flow-controled of LD/LP in AN */
5358 if (phy->req_line_speed == SPEED_AUTO_NEG)
5359 bnx2x_update_adv_fc(phy, params, vars, gp_status);
5360 /* But set the flow-control result as the requested one */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005361 vars->flow_ctrl = phy->req_flow_ctrl;
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005362 } else if (phy->req_line_speed != SPEED_AUTO_NEG)
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005363 vars->flow_ctrl = params->req_fc_auto_adv;
5364 else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
5365 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005366 if (bnx2x_direct_parallel_detect_used(phy, params)) {
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02005367 vars->flow_ctrl = params->req_fc_auto_adv;
5368 return;
5369 }
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005370 bnx2x_update_adv_fc(phy, params, vars, gp_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005371 }
5372 DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
5373}
5374
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005375static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
5376 struct link_params *params)
Eilon Greenstein239d6862009-08-12 08:23:04 +00005377{
5378 struct bnx2x *bp = params->bp;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005379 u16 rx_status, ustat_val, cl37_fsm_received;
Eilon Greenstein239d6862009-08-12 08:23:04 +00005380 DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
5381 /* Step 1: Make sure signal is detected */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005382 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005383 MDIO_REG_BANK_RX0,
5384 MDIO_RX0_RX_STATUS,
5385 &rx_status);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005386 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
5387 (MDIO_RX0_RX_STATUS_SIGDET)) {
5388 DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
5389 "rx_status(0x80b0) = 0x%x\n", rx_status);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005390 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005391 MDIO_REG_BANK_CL73_IEEEB0,
5392 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5393 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005394 return;
5395 }
5396 /* Step 2: Check CL73 state machine */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005397 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005398 MDIO_REG_BANK_CL73_USERB0,
5399 MDIO_CL73_USERB0_CL73_USTAT1,
5400 &ustat_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005401 if ((ustat_val &
5402 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5403 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
5404 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5405 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
5406 DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
5407 "ustat_val(0x8371) = 0x%x\n", ustat_val);
5408 return;
5409 }
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00005410 /* Step 3: Check CL37 Message Pages received to indicate LP
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005411 * supports only CL37
5412 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005413 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005414 MDIO_REG_BANK_REMOTE_PHY,
5415 MDIO_REMOTE_PHY_MISC_RX_STATUS,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005416 &cl37_fsm_received);
5417 if ((cl37_fsm_received &
Eilon Greenstein239d6862009-08-12 08:23:04 +00005418 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5419 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
5420 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5421 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
5422 DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
5423 "misc_rx_status(0x8330) = 0x%x\n",
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005424 cl37_fsm_received);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005425 return;
5426 }
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00005427 /* The combined cl37/cl73 fsm state information indicating that
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005428 * we are connected to a device which does not support cl73, but
5429 * does support cl37 BAM. In this case we disable cl73 and
5430 * restart cl37 auto-neg
5431 */
5432
Eilon Greenstein239d6862009-08-12 08:23:04 +00005433 /* Disable CL73 */
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 0);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005438 /* Restart CL37 autoneg */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005439 bnx2x_restart_autoneg(phy, params, 0);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005440 DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
5441}
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005442
5443static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
5444 struct link_params *params,
5445 struct link_vars *vars,
5446 u32 gp_status)
5447{
5448 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
5449 vars->link_status |=
5450 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5451
5452 if (bnx2x_direct_parallel_detect_used(phy, params))
5453 vars->link_status |=
5454 LINK_STATUS_PARALLEL_DETECTION_USED;
5455}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005456static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
5457 struct link_params *params,
5458 struct link_vars *vars,
5459 u16 is_link_up,
5460 u16 speed_mask,
5461 u16 is_duplex)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005462{
5463 struct bnx2x *bp = params->bp;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005464 if (phy->req_line_speed == SPEED_AUTO_NEG)
5465 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005466 if (is_link_up) {
5467 DP(NETIF_MSG_LINK, "phy link up\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005468
5469 vars->phy_link_up = 1;
5470 vars->link_status |= LINK_STATUS_LINK_UP;
5471
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005472 switch (speed_mask) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005473 case GP_STATUS_10M:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005474 vars->line_speed = SPEED_10;
Yaniv Rosner430d1722012-09-11 04:34:11 +00005475 if (is_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005476 vars->link_status |= LINK_10TFD;
5477 else
5478 vars->link_status |= LINK_10THD;
5479 break;
5480
5481 case GP_STATUS_100M:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005482 vars->line_speed = SPEED_100;
Yaniv Rosner430d1722012-09-11 04:34:11 +00005483 if (is_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005484 vars->link_status |= LINK_100TXFD;
5485 else
5486 vars->link_status |= LINK_100TXHD;
5487 break;
5488
5489 case GP_STATUS_1G:
5490 case GP_STATUS_1G_KX:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005491 vars->line_speed = SPEED_1000;
Yaniv Rosner430d1722012-09-11 04:34:11 +00005492 if (is_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005493 vars->link_status |= LINK_1000TFD;
5494 else
5495 vars->link_status |= LINK_1000THD;
5496 break;
5497
5498 case GP_STATUS_2_5G:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005499 vars->line_speed = SPEED_2500;
Yaniv Rosner430d1722012-09-11 04:34:11 +00005500 if (is_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005501 vars->link_status |= LINK_2500TFD;
5502 else
5503 vars->link_status |= LINK_2500THD;
5504 break;
5505
5506 case GP_STATUS_5G:
5507 case GP_STATUS_6G:
5508 DP(NETIF_MSG_LINK,
5509 "link speed unsupported gp_status 0x%x\n",
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005510 speed_mask);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005511 return -EINVAL;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005512
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005513 case GP_STATUS_10G_KX4:
5514 case GP_STATUS_10G_HIG:
5515 case GP_STATUS_10G_CX4:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005516 case GP_STATUS_10G_KR:
5517 case GP_STATUS_10G_SFI:
5518 case GP_STATUS_10G_XFI:
5519 vars->line_speed = SPEED_10000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005520 vars->link_status |= LINK_10GTFD;
5521 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005522 case GP_STATUS_20G_DXGXS:
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00005523 case GP_STATUS_20G_KR2:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005524 vars->line_speed = SPEED_20000;
5525 vars->link_status |= LINK_20GTFD;
5526 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005527 default:
5528 DP(NETIF_MSG_LINK,
5529 "link speed unsupported gp_status 0x%x\n",
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005530 speed_mask);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005531 return -EINVAL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005532 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005533 } else { /* link_down */
5534 DP(NETIF_MSG_LINK, "phy link down\n");
5535
5536 vars->phy_link_up = 0;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005537
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005538 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08005539 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005540 vars->mac_type = MAC_TYPE_NONE;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005541 }
5542 DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
5543 vars->phy_link_up, vars->line_speed);
5544 return 0;
5545}
Eilon Greenstein239d6862009-08-12 08:23:04 +00005546
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005547static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
5548 struct link_params *params,
5549 struct link_vars *vars)
5550{
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005551 struct bnx2x *bp = params->bp;
5552
5553 u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
5554 int rc = 0;
5555
5556 /* Read gp_status */
5557 CL22_RD_OVER_CL45(bp, phy,
5558 MDIO_REG_BANK_GP_STATUS,
5559 MDIO_GP_STATUS_TOP_AN_STATUS1,
5560 &gp_status);
5561 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
5562 duplex = DUPLEX_FULL;
5563 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
5564 link_up = 1;
5565 speed_mask = gp_status & GP_STATUS_SPEED_MASK;
5566 DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
5567 gp_status, link_up, speed_mask);
5568 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
5569 duplex);
5570 if (rc == -EINVAL)
5571 return rc;
5572
5573 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
5574 if (SINGLE_MEDIA_DIRECT(params)) {
Yaniv Rosner430d1722012-09-11 04:34:11 +00005575 vars->duplex = duplex;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005576 bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
5577 if (phy->req_line_speed == SPEED_AUTO_NEG)
5578 bnx2x_xgxs_an_resolve(phy, params, vars,
5579 gp_status);
5580 }
Yuval Mintzd2310232012-06-20 19:05:19 +00005581 } else { /* Link_down */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005582 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5583 SINGLE_MEDIA_DIRECT(params)) {
Eilon Greenstein239d6862009-08-12 08:23:04 +00005584 /* Check signal is detected */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005585 bnx2x_check_fallback_to_cl37(phy, params);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005586 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005587 }
5588
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005589 /* Read LP advertised speeds*/
5590 if (SINGLE_MEDIA_DIRECT(params) &&
5591 (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
5592 u16 val;
5593
5594 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
5595 MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
5596
5597 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5598 vars->link_status |=
5599 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5600 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5601 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5602 vars->link_status |=
5603 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5604
5605 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
5606 MDIO_OVER_1G_LP_UP1, &val);
5607
5608 if (val & MDIO_OVER_1G_UP1_2_5G)
5609 vars->link_status |=
5610 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5611 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5612 vars->link_status |=
5613 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5614 }
5615
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005616 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5617 vars->duplex, vars->flow_ctrl, vars->link_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005618 return rc;
5619}
5620
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005621static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
5622 struct link_params *params,
5623 struct link_vars *vars)
5624{
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005625 struct bnx2x *bp = params->bp;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005626 u8 lane;
5627 u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
5628 int rc = 0;
5629 lane = bnx2x_get_warpcore_lane(phy, params);
5630 /* Read gp_status */
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00005631 if ((params->loopback_mode) &&
5632 (phy->flags & FLAGS_WC_DUAL_MODE)) {
5633 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5634 MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5635 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5636 MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5637 link_up &= 0x1;
5638 } else if ((phy->req_line_speed > SPEED_10000) &&
5639 (phy->supported & SUPPORTED_20000baseMLD2_Full)) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005640 u16 temp_link_up;
5641 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5642 1, &temp_link_up);
5643 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5644 1, &link_up);
5645 DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
5646 temp_link_up, link_up);
5647 link_up &= (1<<2);
5648 if (link_up)
5649 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5650 } else {
5651 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00005652 MDIO_WC_REG_GP2_STATUS_GP_2_1,
5653 &gp_status1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005654 DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00005655 /* Check for either KR, 1G, or AN up. */
5656 link_up = ((gp_status1 >> 8) |
5657 (gp_status1 >> 12) |
5658 (gp_status1)) &
5659 (1 << lane);
5660 if (phy->supported & SUPPORTED_20000baseKR2_Full) {
5661 u16 an_link;
5662 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5663 MDIO_AN_REG_STATUS, &an_link);
5664 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5665 MDIO_AN_REG_STATUS, &an_link);
5666 link_up |= (an_link & (1<<2));
5667 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005668 if (link_up && SINGLE_MEDIA_DIRECT(params)) {
5669 u16 pd, gp_status4;
5670 if (phy->req_line_speed == SPEED_AUTO_NEG) {
5671 /* Check Autoneg complete */
5672 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5673 MDIO_WC_REG_GP2_STATUS_GP_2_4,
5674 &gp_status4);
5675 if (gp_status4 & ((1<<12)<<lane))
5676 vars->link_status |=
5677 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5678
5679 /* Check parallel detect used */
5680 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5681 MDIO_WC_REG_PAR_DET_10G_STATUS,
5682 &pd);
5683 if (pd & (1<<15))
5684 vars->link_status |=
5685 LINK_STATUS_PARALLEL_DETECTION_USED;
5686 }
5687 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner430d1722012-09-11 04:34:11 +00005688 vars->duplex = duplex;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005689 }
5690 }
5691
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005692 if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
5693 SINGLE_MEDIA_DIRECT(params)) {
5694 u16 val;
5695
5696 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5697 MDIO_AN_REG_LP_AUTO_NEG2, &val);
5698
5699 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5700 vars->link_status |=
5701 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5702 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5703 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5704 vars->link_status |=
5705 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5706
5707 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5708 MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
5709
5710 if (val & MDIO_OVER_1G_UP1_2_5G)
5711 vars->link_status |=
5712 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5713 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5714 vars->link_status |=
5715 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5716
5717 }
5718
5719
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005720 if (lane < 2) {
5721 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5722 MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
5723 } else {
5724 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5725 MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
5726 }
5727 DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
5728
5729 if ((lane & 1) == 0)
5730 gp_speed <<= 8;
5731 gp_speed &= 0x3f00;
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00005732 link_up = !!link_up;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005733
5734 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
5735 duplex);
5736
5737 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5738 vars->duplex, vars->flow_ctrl, vars->link_status);
5739 return rc;
5740}
Eilon Greensteined8680a2009-02-12 08:37:12 +00005741static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005742{
5743 struct bnx2x *bp = params->bp;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005744 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005745 u16 lp_up2;
5746 u16 tx_driver;
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005747 u16 bank;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005748
Yuval Mintzd2310232012-06-20 19:05:19 +00005749 /* Read precomp */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005750 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005751 MDIO_REG_BANK_OVER_1G,
5752 MDIO_OVER_1G_LP_UP2, &lp_up2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005753
Yuval Mintzd2310232012-06-20 19:05:19 +00005754 /* Bits [10:7] at lp_up2, positioned at [15:12] */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005755 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
5756 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
5757 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
5758
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005759 if (lp_up2 == 0)
5760 return;
5761
5762 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
5763 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005764 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005765 bank,
5766 MDIO_TX0_TX_DRIVER, &tx_driver);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005767
Yuval Mintzd2310232012-06-20 19:05:19 +00005768 /* Replace tx_driver bits [15:12] */
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005769 if (lp_up2 !=
5770 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
5771 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
5772 tx_driver |= lp_up2;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005773 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005774 bank,
5775 MDIO_TX0_TX_DRIVER, tx_driver);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005776 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005777 }
5778}
5779
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005780static int bnx2x_emac_program(struct link_params *params,
5781 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005782{
5783 struct bnx2x *bp = params->bp;
5784 u8 port = params->port;
5785 u16 mode = 0;
5786
5787 DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
5788 bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005789 EMAC_REG_EMAC_MODE,
5790 (EMAC_MODE_25G_MODE |
5791 EMAC_MODE_PORT_MII_10M |
5792 EMAC_MODE_HALF_DUPLEX));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005793 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005794 case SPEED_10:
5795 mode |= EMAC_MODE_PORT_MII_10M;
5796 break;
5797
5798 case SPEED_100:
5799 mode |= EMAC_MODE_PORT_MII;
5800 break;
5801
5802 case SPEED_1000:
5803 mode |= EMAC_MODE_PORT_GMII;
5804 break;
5805
5806 case SPEED_2500:
5807 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
5808 break;
5809
5810 default:
5811 /* 10G not valid for EMAC */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005812 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5813 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005814 return -EINVAL;
5815 }
5816
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005817 if (vars->duplex == DUPLEX_HALF)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005818 mode |= EMAC_MODE_HALF_DUPLEX;
5819 bnx2x_bits_en(bp,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005820 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
5821 mode);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005822
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005823 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005824 return 0;
5825}
5826
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005827static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
5828 struct link_params *params)
5829{
5830
5831 u16 bank, i = 0;
5832 struct bnx2x *bp = params->bp;
5833
5834 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
5835 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005836 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005837 bank,
5838 MDIO_RX0_RX_EQ_BOOST,
5839 phy->rx_preemphasis[i]);
5840 }
5841
5842 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
5843 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005844 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005845 bank,
5846 MDIO_TX0_TX_DRIVER,
5847 phy->tx_preemphasis[i]);
5848 }
5849}
5850
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005851static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
5852 struct link_params *params,
5853 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005854{
5855 struct bnx2x *bp = params->bp;
5856 u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
5857 (params->loopback_mode == LOOPBACK_XGXS));
5858 if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
5859 if (SINGLE_MEDIA_DIRECT(params) &&
5860 (params->feature_config_flags &
5861 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
5862 bnx2x_set_preemphasis(phy, params);
5863
Yuval Mintzd2310232012-06-20 19:05:19 +00005864 /* Forced speed requested? */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005865 if (vars->line_speed != SPEED_AUTO_NEG ||
5866 (SINGLE_MEDIA_DIRECT(params) &&
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005867 params->loopback_mode == LOOPBACK_EXT)) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005868 DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
5869
Yuval Mintzd2310232012-06-20 19:05:19 +00005870 /* Disable autoneg */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005871 bnx2x_set_autoneg(phy, params, vars, 0);
5872
Yuval Mintzd2310232012-06-20 19:05:19 +00005873 /* Program speed and duplex */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005874 bnx2x_program_serdes(phy, params, vars);
5875
5876 } else { /* AN_mode */
5877 DP(NETIF_MSG_LINK, "not SGMII, AN\n");
5878
5879 /* AN enabled */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005880 bnx2x_set_brcm_cl37_advertisement(phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005881
Yuval Mintzd2310232012-06-20 19:05:19 +00005882 /* Program duplex & pause advertisement (for aneg) */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005883 bnx2x_set_ieee_aneg_advertisement(phy, params,
5884 vars->ieee_fc);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005885
Yuval Mintzd2310232012-06-20 19:05:19 +00005886 /* Enable autoneg */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005887 bnx2x_set_autoneg(phy, params, vars, enable_cl73);
5888
Yuval Mintzd2310232012-06-20 19:05:19 +00005889 /* Enable and restart AN */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005890 bnx2x_restart_autoneg(phy, params, enable_cl73);
5891 }
5892
5893 } else { /* SGMII mode */
5894 DP(NETIF_MSG_LINK, "SGMII\n");
5895
5896 bnx2x_initialize_sgmii_process(phy, params, vars);
5897 }
5898}
5899
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005900static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
5901 struct link_params *params,
5902 struct link_vars *vars)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005903{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005904 int rc;
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005905 vars->phy_flags |= PHY_XGXS_FLAG;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005906 if ((phy->req_line_speed &&
5907 ((phy->req_line_speed == SPEED_100) ||
5908 (phy->req_line_speed == SPEED_10))) ||
5909 (!phy->req_line_speed &&
5910 (phy->speed_cap_mask >=
5911 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
5912 (phy->speed_cap_mask <
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005913 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5914 (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005915 vars->phy_flags |= PHY_SGMII_FLAG;
5916 else
5917 vars->phy_flags &= ~PHY_SGMII_FLAG;
5918
5919 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005920 bnx2x_set_aer_mmd(params, phy);
5921 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
5922 bnx2x_set_master_ln(params, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005923
5924 rc = bnx2x_reset_unicore(params, phy, 0);
Yuval Mintzd2310232012-06-20 19:05:19 +00005925 /* Reset the SerDes and wait for reset bit return low */
5926 if (rc)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005927 return rc;
5928
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005929 bnx2x_set_aer_mmd(params, phy);
Yuval Mintzd2310232012-06-20 19:05:19 +00005930 /* Setting the masterLn_def again after the reset */
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005931 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
5932 bnx2x_set_master_ln(params, phy);
5933 bnx2x_set_swap_lanes(params, phy);
5934 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005935
5936 return rc;
5937}
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005938
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005939static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
Yaniv Rosner6d870c32011-01-31 04:22:20 +00005940 struct bnx2x_phy *phy,
5941 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005942{
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005943 u16 cnt, ctrl;
Lucas De Marchi25985ed2011-03-30 22:57:33 -03005944 /* Wait for soft reset to get cleared up to 1 sec */
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005945 for (cnt = 0; cnt < 1000; cnt++) {
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +00005946 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
Yaniv Rosner6583e332011-06-14 01:34:17 +00005947 bnx2x_cl22_read(bp, phy,
5948 MDIO_PMA_REG_CTRL, &ctrl);
5949 else
5950 bnx2x_cl45_read(bp, phy,
5951 MDIO_PMA_DEVAD,
5952 MDIO_PMA_REG_CTRL, &ctrl);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005953 if (!(ctrl & (1<<15)))
5954 break;
Yuval Mintzd2310232012-06-20 19:05:19 +00005955 usleep_range(1000, 2000);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005956 }
Yaniv Rosner6d870c32011-01-31 04:22:20 +00005957
5958 if (cnt == 1000)
5959 netdev_err(bp->dev, "Warning: PHY was not initialized,"
5960 " Port %d\n",
5961 params->port);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005962 DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
5963 return cnt;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005964}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005965
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005966static void bnx2x_link_int_enable(struct link_params *params)
5967{
5968 u8 port = params->port;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005969 u32 mask;
5970 struct bnx2x *bp = params->bp;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005971
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005972 /* Setting the status to report on link up for either XGXS or SerDes */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005973 if (CHIP_IS_E3(bp)) {
5974 mask = NIG_MASK_XGXS0_LINK_STATUS;
5975 if (!(SINGLE_MEDIA_DIRECT(params)))
5976 mask |= NIG_MASK_MI_INT;
5977 } else if (params->switch_cfg == SWITCH_CFG_10G) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005978 mask = (NIG_MASK_XGXS0_LINK10G |
5979 NIG_MASK_XGXS0_LINK_STATUS);
5980 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005981 if (!(SINGLE_MEDIA_DIRECT(params)) &&
5982 params->phy[INT_PHY].type !=
5983 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005984 mask |= NIG_MASK_MI_INT;
5985 DP(NETIF_MSG_LINK, "enabled external phy int\n");
5986 }
5987
5988 } else { /* SerDes */
5989 mask = NIG_MASK_SERDES0_LINK_STATUS;
5990 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005991 if (!(SINGLE_MEDIA_DIRECT(params)) &&
5992 params->phy[INT_PHY].type !=
5993 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005994 mask |= NIG_MASK_MI_INT;
5995 DP(NETIF_MSG_LINK, "enabled external phy int\n");
5996 }
5997 }
5998 bnx2x_bits_en(bp,
5999 NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
6000 mask);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00006001
6002 DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006003 (params->switch_cfg == SWITCH_CFG_10G),
6004 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006005 DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
6006 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6007 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
6008 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
6009 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6010 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6011 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6012}
6013
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006014static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
6015 u8 exp_mi_int)
Eilon Greenstein2f904462009-08-12 08:22:16 +00006016{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006017 u32 latch_status = 0;
6018
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006019 /* Disable the MI INT ( external phy int ) by writing 1 to the
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006020 * status register. Link down indication is high-active-signal,
6021 * so in this case we need to write the status to clear the XOR
Eilon Greenstein2f904462009-08-12 08:22:16 +00006022 */
6023 /* Read Latched signals */
6024 latch_status = REG_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006025 NIG_REG_LATCH_STATUS_0 + port*8);
6026 DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
Eilon Greenstein2f904462009-08-12 08:22:16 +00006027 /* Handle only those with latched-signal=up.*/
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006028 if (exp_mi_int)
6029 bnx2x_bits_en(bp,
6030 NIG_REG_STATUS_INTERRUPT_PORT0
6031 + port*4,
6032 NIG_STATUS_EMAC0_MI_INT);
6033 else
6034 bnx2x_bits_dis(bp,
6035 NIG_REG_STATUS_INTERRUPT_PORT0
6036 + port*4,
6037 NIG_STATUS_EMAC0_MI_INT);
6038
Eilon Greenstein2f904462009-08-12 08:22:16 +00006039 if (latch_status & 1) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006040
Eilon Greenstein2f904462009-08-12 08:22:16 +00006041 /* For all latched-signal=up : Re-Arm Latch signals */
6042 REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006043 (latch_status & 0xfffe) | (latch_status & 1));
Eilon Greenstein2f904462009-08-12 08:22:16 +00006044 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006045 /* For all latched-signal=up,Write original_signal to status */
Eilon Greenstein2f904462009-08-12 08:22:16 +00006046}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006047
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006048static void bnx2x_link_int_ack(struct link_params *params,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006049 struct link_vars *vars, u8 is_10g_plus)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006050{
6051 struct bnx2x *bp = params->bp;
6052 u8 port = params->port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006053 u32 mask;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006054 /* First reset all status we assume only one line will be
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006055 * change at a time
6056 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006057 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006058 (NIG_STATUS_XGXS0_LINK10G |
6059 NIG_STATUS_XGXS0_LINK_STATUS |
6060 NIG_STATUS_SERDES0_LINK_STATUS));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006061 if (vars->phy_link_up) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006062 if (USES_WARPCORE(bp))
6063 mask = NIG_STATUS_XGXS0_LINK_STATUS;
6064 else {
6065 if (is_10g_plus)
6066 mask = NIG_STATUS_XGXS0_LINK10G;
6067 else if (params->switch_cfg == SWITCH_CFG_10G) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006068 /* Disable the link interrupt by writing 1 to
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006069 * the relevant lane in the status register
6070 */
6071 u32 ser_lane =
6072 ((params->lane_config &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006073 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
6074 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006075 mask = ((1 << ser_lane) <<
6076 NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
6077 } else
6078 mask = NIG_STATUS_SERDES0_LINK_STATUS;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006079 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006080 DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
6081 mask);
6082 bnx2x_bits_en(bp,
6083 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6084 mask);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006085 }
6086}
6087
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006088static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006089{
6090 u8 *str_ptr = str;
6091 u32 mask = 0xf0000000;
6092 u8 shift = 8*4;
6093 u8 digit;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006094 u8 remove_leading_zeros = 1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006095 if (*len < 10) {
Frederik Schwarzer025dfda2008-10-16 19:02:37 +02006096 /* Need more than 10chars for this format */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006097 *str_ptr = '\0';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006098 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006099 return -EINVAL;
6100 }
6101 while (shift > 0) {
6102
6103 shift -= 4;
6104 digit = ((num & mask) >> shift);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006105 if (digit == 0 && remove_leading_zeros) {
6106 mask = mask >> 4;
6107 continue;
6108 } else if (digit < 0xa)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006109 *str_ptr = digit + '0';
6110 else
6111 *str_ptr = digit - 0xa + 'a';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006112 remove_leading_zeros = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006113 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006114 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006115 mask = mask >> 4;
6116 if (shift == 4*4) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006117 *str_ptr = '.';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006118 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006119 (*len)--;
6120 remove_leading_zeros = 1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006121 }
6122 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006123 return 0;
6124}
6125
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006126
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006127static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006128{
6129 str[0] = '\0';
6130 (*len)--;
6131 return 0;
6132}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006133
Mintz Yuvala1e785e2012-02-15 02:10:32 +00006134int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
6135 u16 len)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006136{
Julia Lawall0376d5b2009-07-19 05:26:35 +00006137 struct bnx2x *bp;
Eilon Greensteina35da8d2009-02-12 08:37:02 +00006138 u32 spirom_ver = 0;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006139 int status = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006140 u8 *ver_p = version;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006141 u16 remain_len = len;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006142 if (version == NULL || params == NULL)
6143 return -EINVAL;
Julia Lawall0376d5b2009-07-19 05:26:35 +00006144 bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006145
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006146 /* Extract first external phy*/
6147 version[0] = '\0';
6148 spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
Eilon Greensteina35da8d2009-02-12 08:37:02 +00006149
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006150 if (params->phy[EXT_PHY1].format_fw_ver) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006151 status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
6152 ver_p,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006153 &remain_len);
6154 ver_p += (len - remain_len);
6155 }
6156 if ((params->num_phys == MAX_PHYS) &&
6157 (params->phy[EXT_PHY2].ver_addr != 0)) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006158 spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006159 if (params->phy[EXT_PHY2].format_fw_ver) {
6160 *ver_p = '/';
6161 ver_p++;
6162 remain_len--;
6163 status |= params->phy[EXT_PHY2].format_fw_ver(
6164 spirom_ver,
6165 ver_p,
6166 &remain_len);
6167 ver_p = version + (len - remain_len);
6168 }
6169 }
6170 *ver_p = '\0';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006171 return status;
6172}
6173
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006174static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
Yaniv Rosner62b29a52010-09-07 11:40:58 +00006175 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006176{
6177 u8 port = params->port;
6178 struct bnx2x *bp = params->bp;
6179
Yaniv Rosner62b29a52010-09-07 11:40:58 +00006180 if (phy->req_line_speed != SPEED_1000) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006181 u32 md_devad = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006182
6183 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
6184
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006185 if (!CHIP_IS_E3(bp)) {
Yuval Mintzd2310232012-06-20 19:05:19 +00006186 /* Change the uni_phy_addr in the nig */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006187 md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
6188 port*0x18));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006189
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006190 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6191 0x5);
6192 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006193
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006194 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006195 5,
6196 (MDIO_REG_BANK_AER_BLOCK +
6197 (MDIO_AER_BLOCK_AER_REG & 0xf)),
6198 0x2800);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006199
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006200 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006201 5,
6202 (MDIO_REG_BANK_CL73_IEEEB0 +
6203 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
6204 0x6041);
Eilon Greenstein38582762009-01-14 06:44:16 +00006205 msleep(200);
Yuval Mintzd2310232012-06-20 19:05:19 +00006206 /* Set aer mmd back */
Yaniv Rosnerec146a62011-05-31 21:29:27 +00006207 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006208
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006209 if (!CHIP_IS_E3(bp)) {
Yuval Mintzd2310232012-06-20 19:05:19 +00006210 /* And md_devad */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006211 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6212 md_devad);
6213 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006214 } else {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006215 u16 mii_ctrl;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006216 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006217 bnx2x_cl45_read(bp, phy, 5,
6218 (MDIO_REG_BANK_COMBO_IEEE0 +
6219 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6220 &mii_ctrl);
6221 bnx2x_cl45_write(bp, phy, 5,
6222 (MDIO_REG_BANK_COMBO_IEEE0 +
6223 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6224 mii_ctrl |
6225 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006226 }
6227}
6228
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006229int bnx2x_set_led(struct link_params *params,
6230 struct link_vars *vars, u8 mode, u32 speed)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006231{
Yaniv Rosner7846e472009-11-05 19:18:07 +02006232 u8 port = params->port;
6233 u16 hw_led_mode = params->hw_led_mode;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006234 int rc = 0;
6235 u8 phy_idx;
Eilon Greenstein345b5d52008-08-13 15:58:12 -07006236 u32 tmp;
6237 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Yaniv Rosner7846e472009-11-05 19:18:07 +02006238 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006239 DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
6240 DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
6241 speed, hw_led_mode);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006242 /* In case */
6243 for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
6244 if (params->phy[phy_idx].set_link_led) {
6245 params->phy[phy_idx].set_link_led(
6246 &params->phy[phy_idx], params, mode);
6247 }
6248 }
6249
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006250 switch (mode) {
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006251 case LED_MODE_FRONT_PANEL_OFF:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006252 case LED_MODE_OFF:
6253 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
6254 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006255 SHARED_HW_CFG_LED_MAC1);
Eilon Greenstein345b5d52008-08-13 15:58:12 -07006256
6257 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Yaniv Rosner001cea72011-10-27 05:09:48 +00006258 if (params->phy[EXT_PHY1].type ==
Yaniv Rosner9379c9b2012-04-04 01:28:58 +00006259 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6260 tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
6261 EMAC_LED_100MB_OVERRIDE |
6262 EMAC_LED_10MB_OVERRIDE);
6263 else
6264 tmp |= EMAC_LED_OVERRIDE;
6265
6266 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006267 break;
6268
6269 case LED_MODE_OPER:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006270 /* For all other phys, OPER mode is same as ON, so in case
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006271 * link is down, do nothing
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006272 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006273 if (!vars->link_up)
6274 break;
6275 case LED_MODE_ON:
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00006276 if (((params->phy[EXT_PHY1].type ==
6277 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
6278 (params->phy[EXT_PHY1].type ==
6279 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
Yaniv Rosner1f483532011-01-18 04:33:31 +00006280 CHIP_IS_E2(bp) && params->num_phys == 2) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006281 /* This is a work-around for E2+8727 Configurations */
Yaniv Rosner1f483532011-01-18 04:33:31 +00006282 if (mode == LED_MODE_ON ||
6283 speed == SPEED_10000){
6284 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6285 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6286
6287 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6288 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6289 (tmp | EMAC_LED_OVERRIDE));
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006290 /* Return here without enabling traffic
David S. Miller8decf862011-09-22 03:23:13 -04006291 * LED blink and setting rate in ON mode.
Yaniv Rosner793bd452011-08-02 22:59:40 +00006292 * In oper mode, enabling LED blink
6293 * and setting rate is needed.
6294 */
6295 if (mode == LED_MODE_ON)
6296 return rc;
Yaniv Rosner1f483532011-01-18 04:33:31 +00006297 }
Yaniv Rosner793bd452011-08-02 22:59:40 +00006298 } else if (SINGLE_MEDIA_DIRECT(params)) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006299 /* This is a work-around for HW issue found when link
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006300 * is up in CL73
6301 */
David S. Miller8decf862011-09-22 03:23:13 -04006302 if ((!CHIP_IS_E3(bp)) ||
6303 (CHIP_IS_E3(bp) &&
6304 mode == LED_MODE_ON))
6305 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6306
Yaniv Rosner793bd452011-08-02 22:59:40 +00006307 if (CHIP_IS_E1x(bp) ||
6308 CHIP_IS_E2(bp) ||
6309 (mode == LED_MODE_ON))
6310 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6311 else
6312 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6313 hw_led_mode);
Yaniv Rosner001cea72011-10-27 05:09:48 +00006314 } else if ((params->phy[EXT_PHY1].type ==
6315 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
Yaniv Rosner9379c9b2012-04-04 01:28:58 +00006316 (mode == LED_MODE_ON)) {
Yaniv Rosner001cea72011-10-27 05:09:48 +00006317 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6318 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Yaniv Rosner9379c9b2012-04-04 01:28:58 +00006319 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
6320 EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
6321 /* Break here; otherwise, it'll disable the
6322 * intended override.
6323 */
6324 break;
Yaniv Rosner793bd452011-08-02 22:59:40 +00006325 } else
Yaniv Rosner001cea72011-10-27 05:09:48 +00006326 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6327 hw_led_mode);
Yaniv Rosner7846e472009-11-05 19:18:07 +02006328
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006329 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006330 /* Set blinking rate to ~15.9Hz */
Yaniv Rosner26ffaf32011-10-27 05:09:45 +00006331 if (CHIP_IS_E3(bp))
6332 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6333 LED_BLINK_RATE_VAL_E3);
6334 else
6335 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6336 LED_BLINK_RATE_VAL_E1X_E2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006337 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006338 port*4, 1);
Yaniv Rosner9379c9b2012-04-04 01:28:58 +00006339 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6340 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6341 (tmp & (~EMAC_LED_OVERRIDE)));
Eilon Greenstein345b5d52008-08-13 15:58:12 -07006342
Yaniv Rosner7846e472009-11-05 19:18:07 +02006343 if (CHIP_IS_E1(bp) &&
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006344 ((speed == SPEED_2500) ||
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006345 (speed == SPEED_1000) ||
6346 (speed == SPEED_100) ||
6347 (speed == SPEED_10))) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006348 /* For speeds less than 10G LED scheme is different */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006349 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006350 + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006351 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006352 port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006353 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006354 port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006355 }
6356 break;
6357
6358 default:
6359 rc = -EINVAL;
6360 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
6361 mode);
6362 break;
6363 }
6364 return rc;
6365
6366}
6367
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006368/* This function comes to reflect the actual link state read DIRECTLY from the
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006369 * HW
6370 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006371int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
6372 u8 is_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006373{
6374 struct bnx2x *bp = params->bp;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006375 u16 gp_status = 0, phy_index = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006376 u8 ext_phy_link_up = 0, serdes_phy_type;
6377 struct link_vars temp_vars;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006378 struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006379
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006380 if (CHIP_IS_E3(bp)) {
6381 u16 link_up;
6382 if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
6383 > SPEED_10000) {
6384 /* Check 20G link */
6385 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6386 1, &link_up);
6387 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6388 1, &link_up);
6389 link_up &= (1<<2);
6390 } else {
6391 /* Check 10G link and below*/
6392 u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
6393 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6394 MDIO_WC_REG_GP2_STATUS_GP_2_1,
6395 &gp_status);
6396 gp_status = ((gp_status >> 8) & 0xf) |
6397 ((gp_status >> 12) & 0xf);
6398 link_up = gp_status & (1 << lane);
6399 }
6400 if (!link_up)
6401 return -ESRCH;
6402 } else {
6403 CL22_RD_OVER_CL45(bp, int_phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006404 MDIO_REG_BANK_GP_STATUS,
6405 MDIO_GP_STATUS_TOP_AN_STATUS1,
6406 &gp_status);
Yuval Mintzd2310232012-06-20 19:05:19 +00006407 /* Link is up only if both local phy and external phy are up */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006408 if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
6409 return -ESRCH;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006410 }
6411 /* In XGXS loopback mode, do not check external PHY */
6412 if (params->loopback_mode == LOOPBACK_XGXS)
6413 return 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006414
6415 switch (params->num_phys) {
6416 case 1:
6417 /* No external PHY */
6418 return 0;
6419 case 2:
6420 ext_phy_link_up = params->phy[EXT_PHY1].read_status(
6421 &params->phy[EXT_PHY1],
6422 params, &temp_vars);
6423 break;
6424 case 3: /* Dual Media */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006425 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6426 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006427 serdes_phy_type = ((params->phy[phy_index].media_type ==
Yuval Mintzdbef8072012-06-20 19:05:22 +00006428 ETH_PHY_SFPP_10G_FIBER) ||
6429 (params->phy[phy_index].media_type ==
6430 ETH_PHY_SFP_1G_FIBER) ||
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006431 (params->phy[phy_index].media_type ==
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00006432 ETH_PHY_XFP_FIBER) ||
6433 (params->phy[phy_index].media_type ==
6434 ETH_PHY_DA_TWINAX));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006435
6436 if (is_serdes != serdes_phy_type)
6437 continue;
6438 if (params->phy[phy_index].read_status) {
6439 ext_phy_link_up |=
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006440 params->phy[phy_index].read_status(
6441 &params->phy[phy_index],
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006442 params, &temp_vars);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006443 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006444 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006445 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006446 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006447 if (ext_phy_link_up)
6448 return 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006449 return -ESRCH;
6450}
6451
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006452static int bnx2x_link_initialize(struct link_params *params,
6453 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006454{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006455 int rc = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006456 u8 phy_index, non_ext_phy;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006457 struct bnx2x *bp = params->bp;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006458 /* In case of external phy existence, the line speed would be the
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006459 * line speed linked up by the external phy. In case it is direct
6460 * only, then the line_speed during initialization will be
6461 * equal to the req_line_speed
6462 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006463 vars->line_speed = params->phy[INT_PHY].req_line_speed;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006464
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006465 /* Initialize the internal phy in case this is a direct board
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006466 * (no external phys), or this board has external phy which requires
6467 * to first.
6468 */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006469 if (!USES_WARPCORE(bp))
6470 bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006471 /* init ext phy and enable link state int */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006472 non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006473 (params->loopback_mode == LOOPBACK_XGXS));
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006474
6475 if (non_ext_phy ||
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006476 (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
Eilon Greenstein8660d8c2009-03-02 08:01:02 +00006477 (params->loopback_mode == LOOPBACK_EXT_PHY)) {
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006478 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006479 if (vars->line_speed == SPEED_AUTO_NEG &&
6480 (CHIP_IS_E1x(bp) ||
6481 CHIP_IS_E2(bp)))
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006482 bnx2x_set_parallel_detection(phy, params);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00006483 if (params->phy[INT_PHY].config_init)
6484 params->phy[INT_PHY].config_init(phy,
6485 params,
6486 vars);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006487 }
6488
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006489 /* Init external phy*/
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006490 if (non_ext_phy) {
6491 if (params->phy[INT_PHY].supported &
6492 SUPPORTED_FIBRE)
6493 vars->link_status |= LINK_STATUS_SERDES_LINK;
6494 } else {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006495 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6496 phy_index++) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006497 /* No need to initialize second phy in case of first
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006498 * phy only selection. In case of second phy, we do
6499 * need to initialize the first phy, since they are
6500 * connected.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006501 */
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006502 if (params->phy[phy_index].supported &
6503 SUPPORTED_FIBRE)
6504 vars->link_status |= LINK_STATUS_SERDES_LINK;
6505
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006506 if (phy_index == EXT_PHY2 &&
6507 (bnx2x_phy_selection(params) ==
6508 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
Joe Perches94f05b02011-08-14 12:16:20 +00006509 DP(NETIF_MSG_LINK,
6510 "Not initializing second phy\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006511 continue;
6512 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006513 params->phy[phy_index].config_init(
6514 &params->phy[phy_index],
6515 params, vars);
6516 }
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006517 }
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006518 /* Reset the interrupt indication after phy was initialized */
6519 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
6520 params->port*4,
6521 (NIG_STATUS_XGXS0_LINK10G |
6522 NIG_STATUS_XGXS0_LINK_STATUS |
6523 NIG_STATUS_SERDES0_LINK_STATUS |
6524 NIG_MASK_MI_INT));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006525 return rc;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006526}
6527
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006528static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
6529 struct link_params *params)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006530{
Yuval Mintzd2310232012-06-20 19:05:19 +00006531 /* Reset the SerDes/XGXS */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006532 REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6533 (0x1ff << (params->port*16)));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006534}
6535
6536static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
6537 struct link_params *params)
6538{
6539 struct bnx2x *bp = params->bp;
6540 u8 gpio_port;
6541 /* HW reset */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006542 if (CHIP_IS_E2(bp))
6543 gpio_port = BP_PATH(bp);
6544 else
6545 gpio_port = params->port;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006546 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006547 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6548 gpio_port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006549 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006550 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6551 gpio_port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006552 DP(NETIF_MSG_LINK, "reset external PHY\n");
6553}
6554
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006555static int bnx2x_update_link_down(struct link_params *params,
6556 struct link_vars *vars)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006557{
6558 struct bnx2x *bp = params->bp;
6559 u8 port = params->port;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00006560
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006561 DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006562 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006563 vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
Yuval Mintzd2310232012-06-20 19:05:19 +00006564 /* Indicate no mac active */
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006565 vars->mac_type = MAC_TYPE_NONE;
6566
Yuval Mintzd2310232012-06-20 19:05:19 +00006567 /* Update shared memory */
Yaniv Rosner49781402012-10-31 05:46:55 +00006568 vars->link_status &= ~LINK_UPDATE_MASK;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006569 vars->line_speed = 0;
6570 bnx2x_update_mng(params, vars->link_status);
6571
Yuval Mintzd2310232012-06-20 19:05:19 +00006572 /* Activate nig drain */
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006573 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6574
Yuval Mintzd2310232012-06-20 19:05:19 +00006575 /* Disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006576 if (!CHIP_IS_E3(bp))
6577 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006578
Yuval Mintzd2310232012-06-20 19:05:19 +00006579 usleep_range(10000, 20000);
6580 /* Reset BigMac/Xmac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006581 if (CHIP_IS_E1x(bp) ||
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00006582 CHIP_IS_E2(bp))
6583 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
6584
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00006585 if (CHIP_IS_E3(bp)) {
Yuval Mintzd2310232012-06-20 19:05:19 +00006586 /* Prevent LPI Generation by chip */
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006587 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
6588 0);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006589 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
6590 0);
6591 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
6592 SHMEM_EEE_ACTIVE_BIT);
6593
6594 bnx2x_update_mng_eee(params, vars->eee_status);
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00006595 bnx2x_set_xmac_rxtx(params, 0);
6596 bnx2x_set_umac_rxtx(params, 0);
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00006597 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006598
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006599 return 0;
6600}
6601
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006602static int bnx2x_update_link_up(struct link_params *params,
6603 struct link_vars *vars,
6604 u8 link_10g)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006605{
6606 struct bnx2x *bp = params->bp;
Yaniv Rosner55098c52012-04-03 18:41:27 +00006607 u8 phy_idx, port = params->port;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006608 int rc = 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00006609
Yaniv Rosnerde6f3372011-08-02 22:59:25 +00006610 vars->link_status |= (LINK_STATUS_LINK_UP |
6611 LINK_STATUS_PHYSICAL_LINK_FLAG);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006612 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006613
Yaniv Rosner7aa07112010-09-07 11:41:01 +00006614 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
6615 vars->link_status |=
6616 LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
6617
6618 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
6619 vars->link_status |=
6620 LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006621 if (USES_WARPCORE(bp)) {
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006622 if (link_10g) {
6623 if (bnx2x_xmac_enable(params, vars, 0) ==
6624 -ESRCH) {
6625 DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
6626 vars->link_up = 0;
6627 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6628 vars->link_status &= ~LINK_STATUS_LINK_UP;
6629 }
6630 } else
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006631 bnx2x_umac_enable(params, vars, 0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006632 bnx2x_set_led(params, vars,
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006633 LED_MODE_OPER, vars->line_speed);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006634
6635 if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
6636 (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
6637 DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
6638 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
6639 (params->port << 2), 1);
6640 REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
6641 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
6642 (params->port << 2), 0xfc20);
6643 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006644 }
6645 if ((CHIP_IS_E1x(bp) ||
6646 CHIP_IS_E2(bp))) {
6647 if (link_10g) {
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00006648 if (bnx2x_bmac_enable(params, vars, 0, 1) ==
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006649 -ESRCH) {
6650 DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
6651 vars->link_up = 0;
6652 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6653 vars->link_status &= ~LINK_STATUS_LINK_UP;
6654 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006655
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006656 bnx2x_set_led(params, vars,
6657 LED_MODE_OPER, SPEED_10000);
6658 } else {
6659 rc = bnx2x_emac_program(params, vars);
6660 bnx2x_emac_enable(params, vars, 0);
Yaniv Rosner0c786f02009-11-05 19:18:32 +02006661
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006662 /* AN complete? */
6663 if ((vars->link_status &
6664 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
6665 && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
6666 SINGLE_MEDIA_DIRECT(params))
6667 bnx2x_set_gmii_tx_driver(params);
6668 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006669 }
6670
6671 /* PBF - link up */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006672 if (CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006673 rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6674 vars->line_speed);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006675
Yuval Mintzd2310232012-06-20 19:05:19 +00006676 /* Disable drain */
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006677 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
6678
Yuval Mintzd2310232012-06-20 19:05:19 +00006679 /* Update shared memory */
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006680 bnx2x_update_mng(params, vars->link_status);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006681 bnx2x_update_mng_eee(params, vars->eee_status);
Yaniv Rosner55098c52012-04-03 18:41:27 +00006682 /* Check remote fault */
6683 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
6684 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
6685 bnx2x_check_half_open_conn(params, vars, 0);
6686 break;
6687 }
6688 }
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006689 msleep(20);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006690 return rc;
6691}
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006692/* The bnx2x_link_update function should be called upon link
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006693 * interrupt.
6694 * Link is considered up as follows:
6695 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
6696 * to be up
6697 * - SINGLE_MEDIA - The link between the 577xx and the external
6698 * phy (XGXS) need to up as well as the external link of the
6699 * phy (PHY_EXT1)
6700 * - DUAL_MEDIA - The link between the 577xx and the first
6701 * external phy needs to be up, and at least one of the 2
6702 * external phy link must be up.
Yaniv Rosner62b29a52010-09-07 11:40:58 +00006703 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006704int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006705{
6706 struct bnx2x *bp = params->bp;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006707 struct link_vars phy_vars[MAX_PHYS];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006708 u8 port = params->port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006709 u8 link_10g_plus, phy_index;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006710 u8 ext_phy_link_up = 0, cur_link_up;
6711 int rc = 0;
Eilon Greenstein2f904462009-08-12 08:22:16 +00006712 u8 is_mi_int = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006713 u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
6714 u8 active_external_phy = INT_PHY;
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006715 vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
Yaniv Rosner49781402012-10-31 05:46:55 +00006716 vars->link_status &= ~LINK_UPDATE_MASK;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006717 for (phy_index = INT_PHY; phy_index < params->num_phys;
6718 phy_index++) {
6719 phy_vars[phy_index].flow_ctrl = 0;
6720 phy_vars[phy_index].link_status = 0;
6721 phy_vars[phy_index].line_speed = 0;
6722 phy_vars[phy_index].duplex = DUPLEX_FULL;
6723 phy_vars[phy_index].phy_link_up = 0;
6724 phy_vars[phy_index].link_up = 0;
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00006725 phy_vars[phy_index].fault_detected = 0;
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006726 /* different consideration, since vars holds inner state */
6727 phy_vars[phy_index].eee_status = vars->eee_status;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006728 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006729
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006730 if (USES_WARPCORE(bp))
6731 bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
6732
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006733 DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00006734 port, (vars->phy_flags & PHY_XGXS_FLAG),
6735 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006736
Eilon Greenstein2f904462009-08-12 08:22:16 +00006737 is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006738 port*0x18) > 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006739 DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00006740 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6741 is_mi_int,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006742 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006743
6744 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6745 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6746 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6747
Yuval Mintzd2310232012-06-20 19:05:19 +00006748 /* Disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006749 if (!CHIP_IS_E3(bp))
6750 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006751
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006752 /* Step 1:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006753 * Check external link change only for external phys, and apply
6754 * priority selection between them in case the link on both phys
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006755 * is up. Note that instead of the common vars, a temporary
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006756 * vars argument is used since each phy may have different link/
6757 * speed/duplex result
6758 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006759 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6760 phy_index++) {
6761 struct bnx2x_phy *phy = &params->phy[phy_index];
6762 if (!phy->read_status)
6763 continue;
6764 /* Read link status and params of this ext phy */
6765 cur_link_up = phy->read_status(phy, params,
6766 &phy_vars[phy_index]);
6767 if (cur_link_up) {
6768 DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
6769 phy_index);
6770 } else {
6771 DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
6772 phy_index);
6773 continue;
6774 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006775
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006776 if (!ext_phy_link_up) {
6777 ext_phy_link_up = 1;
6778 active_external_phy = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006779 } else {
6780 switch (bnx2x_phy_selection(params)) {
6781 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6782 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006783 /* In this option, the first PHY makes sure to pass the
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006784 * traffic through itself only.
6785 * Its not clear how to reset the link on the second phy
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006786 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006787 active_external_phy = EXT_PHY1;
6788 break;
6789 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006790 /* In this option, the first PHY makes sure to pass the
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006791 * traffic through the second PHY.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006792 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006793 active_external_phy = EXT_PHY2;
6794 break;
6795 default:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006796 /* Link indication on both PHYs with the following cases
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006797 * is invalid:
6798 * - FIRST_PHY means that second phy wasn't initialized,
6799 * hence its link is expected to be down
6800 * - SECOND_PHY means that first phy should not be able
6801 * to link up by itself (using configuration)
6802 * - DEFAULT should be overriden during initialiazation
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006803 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006804 DP(NETIF_MSG_LINK, "Invalid link indication"
6805 "mpc=0x%x. DISABLING LINK !!!\n",
6806 params->multi_phy_config);
6807 ext_phy_link_up = 0;
6808 break;
6809 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006810 }
6811 }
6812 prev_line_speed = vars->line_speed;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006813 /* Step 2:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006814 * Read the status of the internal phy. In case of
6815 * DIRECT_SINGLE_MEDIA board, this link is the external link,
6816 * otherwise this is the link between the 577xx and the first
6817 * external phy
6818 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006819 if (params->phy[INT_PHY].read_status)
6820 params->phy[INT_PHY].read_status(
6821 &params->phy[INT_PHY],
6822 params, vars);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006823 /* The INT_PHY flow control reside in the vars. This include the
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006824 * case where the speed or flow control are not set to AUTO.
6825 * Otherwise, the active external phy flow control result is set
6826 * to the vars. The ext_phy_line_speed is needed to check if the
6827 * speed is different between the internal phy and external phy.
6828 * This case may be result of intermediate link speed change.
6829 */
6830 if (active_external_phy > INT_PHY) {
6831 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006832 /* Link speed is taken from the XGXS. AN and FC result from
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006833 * the external phy.
6834 */
6835 vars->link_status |= phy_vars[active_external_phy].link_status;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006836
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006837 /* if active_external_phy is first PHY and link is up - disable
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006838 * disable TX on second external PHY
6839 */
6840 if (active_external_phy == EXT_PHY1) {
6841 if (params->phy[EXT_PHY2].phy_specific_func) {
Joe Perches94f05b02011-08-14 12:16:20 +00006842 DP(NETIF_MSG_LINK,
6843 "Disabling TX on EXT_PHY2\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006844 params->phy[EXT_PHY2].phy_specific_func(
6845 &params->phy[EXT_PHY2],
6846 params, DISABLE_TX);
6847 }
6848 }
6849
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006850 ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
6851 vars->duplex = phy_vars[active_external_phy].duplex;
6852 if (params->phy[active_external_phy].supported &
6853 SUPPORTED_FIBRE)
6854 vars->link_status |= LINK_STATUS_SERDES_LINK;
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006855 else
6856 vars->link_status &= ~LINK_STATUS_SERDES_LINK;
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006857
6858 vars->eee_status = phy_vars[active_external_phy].eee_status;
6859
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006860 DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
6861 active_external_phy);
6862 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006863
6864 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6865 phy_index++) {
6866 if (params->phy[phy_index].flags &
6867 FLAGS_REARM_LATCH_SIGNAL) {
6868 bnx2x_rearm_latch_signal(bp, port,
6869 phy_index ==
6870 active_external_phy);
6871 break;
6872 }
6873 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006874 DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
6875 " ext_phy_line_speed = %d\n", vars->flow_ctrl,
6876 vars->link_status, ext_phy_line_speed);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006877 /* Upon link speed change set the NIG into drain mode. Comes to
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006878 * deals with possible FIFO glitch due to clk change when speed
6879 * is decreased without link down indicator
6880 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006881
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006882 if (vars->phy_link_up) {
6883 if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
6884 (ext_phy_line_speed != vars->line_speed)) {
6885 DP(NETIF_MSG_LINK, "Internal link speed %d is"
6886 " different than the external"
6887 " link speed %d\n", vars->line_speed,
6888 ext_phy_line_speed);
6889 vars->phy_link_up = 0;
6890 } else if (prev_line_speed != vars->line_speed) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006891 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
6892 0);
Yaniv Rosner503976e2012-11-27 03:46:34 +00006893 usleep_range(1000, 2000);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006894 }
6895 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006896
Yuval Mintzd2310232012-06-20 19:05:19 +00006897 /* Anything 10 and over uses the bmac */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006898 link_10g_plus = (vars->line_speed >= SPEED_10000);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006899
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006900 bnx2x_link_int_ack(params, vars, link_10g_plus);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006901
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006902 /* In case external phy link is up, and internal link is down
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006903 * (not initialized yet probably after link initialization, it
6904 * needs to be initialized.
6905 * Note that after link down-up as result of cable plug, the xgxs
6906 * link would probably become up again without the need
6907 * initialize it
6908 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006909 if (!(SINGLE_MEDIA_DIRECT(params))) {
6910 DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
6911 " init_preceding = %d\n", ext_phy_link_up,
6912 vars->phy_link_up,
6913 params->phy[EXT_PHY1].flags &
6914 FLAGS_INIT_XGXS_FIRST);
6915 if (!(params->phy[EXT_PHY1].flags &
6916 FLAGS_INIT_XGXS_FIRST)
6917 && ext_phy_link_up && !vars->phy_link_up) {
6918 vars->line_speed = ext_phy_line_speed;
6919 if (vars->line_speed < SPEED_1000)
6920 vars->phy_flags |= PHY_SGMII_FLAG;
6921 else
6922 vars->phy_flags &= ~PHY_SGMII_FLAG;
Yaniv Rosnerec146a62011-05-31 21:29:27 +00006923
6924 if (params->phy[INT_PHY].config_init)
6925 params->phy[INT_PHY].config_init(
6926 &params->phy[INT_PHY], params,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006927 vars);
6928 }
6929 }
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006930 /* Link is up only if both local phy and external phy (in case of
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006931 * non-direct board) are up and no fault detected on active PHY.
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006932 */
6933 vars->link_up = (vars->phy_link_up &&
6934 (ext_phy_link_up ||
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00006935 SINGLE_MEDIA_DIRECT(params)) &&
6936 (phy_vars[active_external_phy].fault_detected == 0));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006937
Yaniv Rosner27d91292012-04-04 01:28:54 +00006938 /* Update the PFC configuration in case it was changed */
6939 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
6940 vars->link_status |= LINK_STATUS_PFC_ENABLED;
6941 else
6942 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
6943
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006944 if (vars->link_up)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006945 rc = bnx2x_update_link_up(params, vars, link_10g_plus);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006946 else
6947 rc = bnx2x_update_link_down(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006948
Barak Witkowskia3348722012-04-23 03:04:46 +00006949 /* Update MCP link status was changed */
6950 if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
6951 bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
6952
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006953 return rc;
6954}
6955
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006956/*****************************************************************************/
6957/* External Phy section */
6958/*****************************************************************************/
6959void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006960{
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006961 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006962 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosner503976e2012-11-27 03:46:34 +00006963 usleep_range(1000, 2000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006964 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006965 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006966}
6967
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006968static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
6969 u32 spirom_ver, u32 ver_addr)
6970{
6971 DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
6972 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
6973
6974 if (ver_addr)
6975 REG_WR(bp, ver_addr, spirom_ver);
6976}
6977
6978static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
6979 struct bnx2x_phy *phy,
6980 u8 port)
6981{
6982 u16 fw_ver1, fw_ver2;
6983
6984 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006985 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006986 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006987 MDIO_PMA_REG_ROM_VER2, &fw_ver2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006988 bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
6989 phy->ver_addr);
6990}
6991
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006992static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
6993 struct bnx2x_phy *phy,
6994 struct link_vars *vars)
6995{
6996 u16 val;
6997 bnx2x_cl45_read(bp, phy,
6998 MDIO_AN_DEVAD,
6999 MDIO_AN_REG_STATUS, &val);
7000 bnx2x_cl45_read(bp, phy,
7001 MDIO_AN_DEVAD,
7002 MDIO_AN_REG_STATUS, &val);
7003 if (val & (1<<5))
7004 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
7005 if ((val & (1<<0)) == 0)
7006 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
7007}
7008
7009/******************************************************************/
7010/* common BCM8073/BCM8727 PHY SECTION */
7011/******************************************************************/
7012static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
7013 struct link_params *params,
7014 struct link_vars *vars)
7015{
7016 struct bnx2x *bp = params->bp;
7017 if (phy->req_line_speed == SPEED_10 ||
7018 phy->req_line_speed == SPEED_100) {
7019 vars->flow_ctrl = phy->req_flow_ctrl;
7020 return;
7021 }
7022
7023 if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
7024 (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
7025 u16 pause_result;
7026 u16 ld_pause; /* local */
7027 u16 lp_pause; /* link partner */
7028 bnx2x_cl45_read(bp, phy,
7029 MDIO_AN_DEVAD,
7030 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
7031
7032 bnx2x_cl45_read(bp, phy,
7033 MDIO_AN_DEVAD,
7034 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
7035 pause_result = (ld_pause &
7036 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
7037 pause_result |= (lp_pause &
7038 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
7039
7040 bnx2x_pause_resolve(vars, pause_result);
7041 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
7042 pause_result);
7043 }
7044}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007045static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
7046 struct bnx2x_phy *phy,
7047 u8 port)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007048{
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00007049 u32 count = 0;
7050 u16 fw_ver1, fw_msgout;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007051 int rc = 0;
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00007052
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007053 /* Boot port from external ROM */
7054 /* EDC grst */
7055 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007056 MDIO_PMA_DEVAD,
7057 MDIO_PMA_REG_GEN_CTRL,
7058 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007059
Yuval Mintzd2310232012-06-20 19:05:19 +00007060 /* Ucode reboot and rst */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007061 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007062 MDIO_PMA_DEVAD,
7063 MDIO_PMA_REG_GEN_CTRL,
7064 0x008c);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007065
7066 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007067 MDIO_PMA_DEVAD,
7068 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007069
7070 /* Reset internal microprocessor */
7071 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007072 MDIO_PMA_DEVAD,
7073 MDIO_PMA_REG_GEN_CTRL,
7074 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007075
7076 /* Release srst bit */
7077 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007078 MDIO_PMA_DEVAD,
7079 MDIO_PMA_REG_GEN_CTRL,
7080 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007081
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00007082 /* Delay 100ms per the PHY specifications */
7083 msleep(100);
7084
7085 /* 8073 sometimes taking longer to download */
7086 do {
7087 count++;
7088 if (count > 300) {
7089 DP(NETIF_MSG_LINK,
7090 "bnx2x_8073_8727_external_rom_boot port %x:"
7091 "Download failed. fw version = 0x%x\n",
7092 port, fw_ver1);
7093 rc = -EINVAL;
7094 break;
7095 }
7096
7097 bnx2x_cl45_read(bp, phy,
7098 MDIO_PMA_DEVAD,
7099 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7100 bnx2x_cl45_read(bp, phy,
7101 MDIO_PMA_DEVAD,
7102 MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
7103
Yaniv Rosner503976e2012-11-27 03:46:34 +00007104 usleep_range(1000, 2000);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00007105 } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
7106 ((fw_msgout & 0xff) != 0x03 && (phy->type ==
7107 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007108
7109 /* Clear ser_boot_ctl bit */
7110 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007111 MDIO_PMA_DEVAD,
7112 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007113 bnx2x_save_bcm_spirom_ver(bp, phy, port);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00007114
7115 DP(NETIF_MSG_LINK,
7116 "bnx2x_8073_8727_external_rom_boot port %x:"
7117 "Download complete. fw version = 0x%x\n",
7118 port, fw_ver1);
7119
7120 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007121}
7122
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007123/******************************************************************/
7124/* BCM8073 PHY SECTION */
7125/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007126static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007127{
7128 /* This is only required for 8073A1, version 102 only */
7129 u16 val;
7130
7131 /* Read 8073 HW revision*/
7132 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007133 MDIO_PMA_DEVAD,
7134 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007135
7136 if (val != 1) {
7137 /* No need to workaround in 8073 A1 */
7138 return 0;
7139 }
7140
7141 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007142 MDIO_PMA_DEVAD,
7143 MDIO_PMA_REG_ROM_VER2, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007144
7145 /* SNR should be applied only for version 0x102 */
7146 if (val != 0x102)
7147 return 0;
7148
7149 return 1;
7150}
7151
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007152static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007153{
7154 u16 val, cnt, cnt1 ;
7155
7156 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007157 MDIO_PMA_DEVAD,
7158 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007159
7160 if (val > 0) {
7161 /* No need to workaround in 8073 A1 */
7162 return 0;
7163 }
7164 /* XAUI workaround in 8073 A0: */
7165
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007166 /* After loading the boot ROM and restarting Autoneg, poll
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007167 * Dev1, Reg $C820:
7168 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007169
7170 for (cnt = 0; cnt < 1000; cnt++) {
7171 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007172 MDIO_PMA_DEVAD,
7173 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7174 &val);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007175 /* If bit [14] = 0 or bit [13] = 0, continue on with
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007176 * system initialization (XAUI work-around not required, as
7177 * these bits indicate 2.5G or 1G link up).
7178 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007179 if (!(val & (1<<14)) || !(val & (1<<13))) {
7180 DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
7181 return 0;
7182 } else if (!(val & (1<<15))) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007183 DP(NETIF_MSG_LINK, "bit 15 went off\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007184 /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007185 * MSB (bit15) goes to 1 (indicating that the XAUI
7186 * workaround has completed), then continue on with
7187 * system initialization.
7188 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007189 for (cnt1 = 0; cnt1 < 1000; cnt1++) {
7190 bnx2x_cl45_read(bp, phy,
7191 MDIO_PMA_DEVAD,
7192 MDIO_PMA_REG_8073_XAUI_WA, &val);
7193 if (val & (1<<15)) {
7194 DP(NETIF_MSG_LINK,
7195 "XAUI workaround has completed\n");
7196 return 0;
7197 }
Yuval Mintzd2310232012-06-20 19:05:19 +00007198 usleep_range(3000, 6000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007199 }
7200 break;
7201 }
Yuval Mintzd2310232012-06-20 19:05:19 +00007202 usleep_range(3000, 6000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007203 }
7204 DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
7205 return -EINVAL;
7206}
7207
7208static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
7209{
7210 /* Force KR or KX */
7211 bnx2x_cl45_write(bp, phy,
7212 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
7213 bnx2x_cl45_write(bp, phy,
7214 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
7215 bnx2x_cl45_write(bp, phy,
7216 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
7217 bnx2x_cl45_write(bp, phy,
7218 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
7219}
7220
7221static void bnx2x_8073_set_pause_cl37(struct link_params *params,
7222 struct bnx2x_phy *phy,
7223 struct link_vars *vars)
7224{
7225 u16 cl37_val;
7226 struct bnx2x *bp = params->bp;
7227 bnx2x_cl45_read(bp, phy,
7228 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
7229
7230 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7231 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
7232 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
7233 if ((vars->ieee_fc &
7234 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
7235 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
7236 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
7237 }
7238 if ((vars->ieee_fc &
7239 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
7240 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
7241 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
7242 }
7243 if ((vars->ieee_fc &
7244 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
7245 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
7246 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7247 }
7248 DP(NETIF_MSG_LINK,
7249 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
7250
7251 bnx2x_cl45_write(bp, phy,
7252 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
7253 msleep(500);
7254}
7255
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00007256static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
7257 struct link_params *params,
7258 u32 action)
7259{
7260 struct bnx2x *bp = params->bp;
7261 switch (action) {
7262 case PHY_INIT:
7263 /* Enable LASI */
7264 bnx2x_cl45_write(bp, phy,
7265 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
7266 bnx2x_cl45_write(bp, phy,
7267 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
7268 break;
7269 }
7270}
7271
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007272static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
7273 struct link_params *params,
7274 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007275{
7276 struct bnx2x *bp = params->bp;
7277 u16 val = 0, tmp1;
7278 u8 gpio_port;
7279 DP(NETIF_MSG_LINK, "Init 8073\n");
7280
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007281 if (CHIP_IS_E2(bp))
7282 gpio_port = BP_PATH(bp);
7283 else
7284 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007285 /* Restore normal power mode*/
7286 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007287 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007288
7289 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007290 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007291
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00007292 bnx2x_8073_specific_func(phy, params, PHY_INIT);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007293 bnx2x_8073_set_pause_cl37(params, phy, vars);
7294
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007295 bnx2x_cl45_read(bp, phy,
7296 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
7297
7298 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00007299 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007300
7301 DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
7302
Yaniv Rosner74d7a112011-01-18 04:33:18 +00007303 /* Swap polarity if required - Must be done only in non-1G mode */
7304 if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7305 /* Configure the 8073 to swap _P and _N of the KR lines */
7306 DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
7307 /* 10G Rx/Tx and 1G Tx signal polarity swap */
7308 bnx2x_cl45_read(bp, phy,
7309 MDIO_PMA_DEVAD,
7310 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
7311 bnx2x_cl45_write(bp, phy,
7312 MDIO_PMA_DEVAD,
7313 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
7314 (val | (3<<9)));
7315 }
7316
7317
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007318 /* Enable CL37 BAM */
Yaniv Rosner121839b2010-11-01 05:32:38 +00007319 if (REG_RD(bp, params->shmem_base +
7320 offsetof(struct shmem_region, dev_info.
7321 port_hw_config[params->port].default_cfg)) &
7322 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007323
Yaniv Rosner121839b2010-11-01 05:32:38 +00007324 bnx2x_cl45_read(bp, phy,
7325 MDIO_AN_DEVAD,
7326 MDIO_AN_REG_8073_BAM, &val);
7327 bnx2x_cl45_write(bp, phy,
7328 MDIO_AN_DEVAD,
7329 MDIO_AN_REG_8073_BAM, val | 1);
7330 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
7331 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007332 if (params->loopback_mode == LOOPBACK_EXT) {
7333 bnx2x_807x_force_10G(bp, phy);
7334 DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
7335 return 0;
7336 } else {
7337 bnx2x_cl45_write(bp, phy,
7338 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
7339 }
7340 if (phy->req_line_speed != SPEED_AUTO_NEG) {
7341 if (phy->req_line_speed == SPEED_10000) {
7342 val = (1<<7);
7343 } else if (phy->req_line_speed == SPEED_2500) {
7344 val = (1<<5);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007345 /* Note that 2.5G works only when used with 1G
Lucas De Marchi25985ed2011-03-30 22:57:33 -03007346 * advertisement
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007347 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007348 } else
7349 val = (1<<5);
7350 } else {
7351 val = 0;
7352 if (phy->speed_cap_mask &
7353 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
7354 val |= (1<<7);
7355
Lucas De Marchi25985ed2011-03-30 22:57:33 -03007356 /* Note that 2.5G works only when used with 1G advertisement */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007357 if (phy->speed_cap_mask &
7358 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
7359 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7360 val |= (1<<5);
7361 DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
7362 }
7363
7364 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
7365 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
7366
7367 if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
7368 (phy->req_line_speed == SPEED_AUTO_NEG)) ||
7369 (phy->req_line_speed == SPEED_2500)) {
7370 u16 phy_ver;
7371 /* Allow 2.5G for A1 and above */
7372 bnx2x_cl45_read(bp, phy,
7373 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
7374 &phy_ver);
7375 DP(NETIF_MSG_LINK, "Add 2.5G\n");
7376 if (phy_ver > 0)
7377 tmp1 |= 1;
7378 else
7379 tmp1 &= 0xfffe;
7380 } else {
7381 DP(NETIF_MSG_LINK, "Disable 2.5G\n");
7382 tmp1 &= 0xfffe;
7383 }
7384
7385 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
7386 /* Add support for CL37 (passive mode) II */
7387
7388 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
7389 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
7390 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
7391 0x20 : 0x40)));
7392
7393 /* Add support for CL37 (passive mode) III */
7394 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
7395
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007396 /* The SNR will improve about 2db by changing BW and FEE main
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007397 * tap. Rest commands are executed after link is up
7398 * Change FFE main cursor to 5 in EDC register
7399 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007400 if (bnx2x_8073_is_snr_needed(bp, phy))
7401 bnx2x_cl45_write(bp, phy,
7402 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
7403 0xFB0C);
7404
7405 /* Enable FEC (Forware Error Correction) Request in the AN */
7406 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
7407 tmp1 |= (1<<15);
7408 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
7409
7410 bnx2x_ext_phy_set_pause(params, phy, vars);
7411
7412 /* Restart autoneg */
7413 msleep(500);
7414 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
7415 DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
7416 ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
7417 return 0;
7418}
7419
7420static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
7421 struct link_params *params,
7422 struct link_vars *vars)
7423{
7424 struct bnx2x *bp = params->bp;
7425 u8 link_up = 0;
7426 u16 val1, val2;
7427 u16 link_status = 0;
7428 u16 an1000_status = 0;
7429
7430 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00007431 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007432
7433 DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
7434
Yuval Mintzd2310232012-06-20 19:05:19 +00007435 /* Clear the interrupt LASI status register */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007436 bnx2x_cl45_read(bp, phy,
7437 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7438 bnx2x_cl45_read(bp, phy,
7439 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
7440 DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
7441 /* Clear MSG-OUT */
7442 bnx2x_cl45_read(bp, phy,
7443 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
7444
7445 /* Check the LASI */
7446 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00007447 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007448
7449 DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
7450
7451 /* Check the link status */
7452 bnx2x_cl45_read(bp, phy,
7453 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7454 DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
7455
7456 bnx2x_cl45_read(bp, phy,
7457 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7458 bnx2x_cl45_read(bp, phy,
7459 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7460 link_up = ((val1 & 4) == 4);
7461 DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
7462
7463 if (link_up &&
7464 ((phy->req_line_speed != SPEED_10000))) {
7465 if (bnx2x_8073_xaui_wa(bp, phy) != 0)
7466 return 0;
7467 }
7468 bnx2x_cl45_read(bp, phy,
7469 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7470 bnx2x_cl45_read(bp, phy,
7471 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7472
7473 /* Check the link status on 1.1.2 */
7474 bnx2x_cl45_read(bp, phy,
7475 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7476 bnx2x_cl45_read(bp, phy,
7477 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7478 DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
7479 "an_link_status=0x%x\n", val2, val1, an1000_status);
7480
7481 link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
7482 if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007483 /* The SNR will improve about 2dbby changing the BW and FEE main
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007484 * tap. The 1st write to change FFE main tap is set before
7485 * restart AN. Change PLL Bandwidth in EDC register
7486 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007487 bnx2x_cl45_write(bp, phy,
7488 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
7489 0x26BC);
7490
7491 /* Change CDR Bandwidth in EDC register */
7492 bnx2x_cl45_write(bp, phy,
7493 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
7494 0x0333);
7495 }
7496 bnx2x_cl45_read(bp, phy,
7497 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7498 &link_status);
7499
7500 /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
7501 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
7502 link_up = 1;
7503 vars->line_speed = SPEED_10000;
7504 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
7505 params->port);
7506 } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
7507 link_up = 1;
7508 vars->line_speed = SPEED_2500;
7509 DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
7510 params->port);
7511 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
7512 link_up = 1;
7513 vars->line_speed = SPEED_1000;
7514 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
7515 params->port);
7516 } else {
7517 link_up = 0;
7518 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
7519 params->port);
7520 }
7521
7522 if (link_up) {
Yaniv Rosner74d7a112011-01-18 04:33:18 +00007523 /* Swap polarity if required */
7524 if (params->lane_config &
7525 PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7526 /* Configure the 8073 to swap P and N of the KR lines */
7527 bnx2x_cl45_read(bp, phy,
7528 MDIO_XS_DEVAD,
7529 MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007530 /* Set bit 3 to invert Rx in 1G mode and clear this bit
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007531 * when it`s in 10G mode.
7532 */
Yaniv Rosner74d7a112011-01-18 04:33:18 +00007533 if (vars->line_speed == SPEED_1000) {
7534 DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
7535 "the 8073\n");
7536 val1 |= (1<<3);
7537 } else
7538 val1 &= ~(1<<3);
7539
7540 bnx2x_cl45_write(bp, phy,
7541 MDIO_XS_DEVAD,
7542 MDIO_XS_REG_8073_RX_CTRL_PCIE,
7543 val1);
7544 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007545 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7546 bnx2x_8073_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00007547 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007548 }
Mintz Yuval9e7e8392012-02-15 02:10:24 +00007549
7550 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
7551 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
7552 MDIO_AN_REG_LP_AUTO_NEG2, &val1);
7553
7554 if (val1 & (1<<5))
7555 vars->link_status |=
7556 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
7557 if (val1 & (1<<7))
7558 vars->link_status |=
7559 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
7560 }
7561
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007562 return link_up;
7563}
7564
7565static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
7566 struct link_params *params)
7567{
7568 struct bnx2x *bp = params->bp;
7569 u8 gpio_port;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007570 if (CHIP_IS_E2(bp))
7571 gpio_port = BP_PATH(bp);
7572 else
7573 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007574 DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
7575 gpio_port);
7576 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007577 MISC_REGISTERS_GPIO_OUTPUT_LOW,
7578 gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007579}
7580
7581/******************************************************************/
7582/* BCM8705 PHY SECTION */
7583/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007584static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
7585 struct link_params *params,
7586 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007587{
7588 struct bnx2x *bp = params->bp;
7589 DP(NETIF_MSG_LINK, "init 8705\n");
7590 /* Restore normal power mode*/
7591 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007592 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007593 /* HW reset */
7594 bnx2x_ext_phy_hw_reset(bp, params->port);
7595 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00007596 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007597
7598 bnx2x_cl45_write(bp, phy,
7599 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
7600 bnx2x_cl45_write(bp, phy,
7601 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
7602 bnx2x_cl45_write(bp, phy,
7603 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
7604 bnx2x_cl45_write(bp, phy,
7605 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
7606 /* BCM8705 doesn't have microcode, hence the 0 */
7607 bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
7608 return 0;
7609}
7610
7611static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
7612 struct link_params *params,
7613 struct link_vars *vars)
7614{
7615 u8 link_up = 0;
7616 u16 val1, rx_sd;
7617 struct bnx2x *bp = params->bp;
7618 DP(NETIF_MSG_LINK, "read status 8705\n");
7619 bnx2x_cl45_read(bp, phy,
7620 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7621 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7622
7623 bnx2x_cl45_read(bp, phy,
7624 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7625 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7626
7627 bnx2x_cl45_read(bp, phy,
7628 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7629
7630 bnx2x_cl45_read(bp, phy,
7631 MDIO_PMA_DEVAD, 0xc809, &val1);
7632 bnx2x_cl45_read(bp, phy,
7633 MDIO_PMA_DEVAD, 0xc809, &val1);
7634
7635 DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
7636 link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
7637 if (link_up) {
7638 vars->line_speed = SPEED_10000;
7639 bnx2x_ext_phy_resolve_fc(phy, params, vars);
7640 }
7641 return link_up;
7642}
7643
7644/******************************************************************/
7645/* SFP+ module Section */
7646/******************************************************************/
Yaniv Rosner85242ee2011-07-05 01:06:53 +00007647static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
7648 struct bnx2x_phy *phy,
7649 u8 pmd_dis)
7650{
7651 struct bnx2x *bp = params->bp;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007652 /* Disable transmitter only for bootcodes which can enable it afterwards
Yaniv Rosner85242ee2011-07-05 01:06:53 +00007653 * (for D3 link)
7654 */
7655 if (pmd_dis) {
7656 if (params->feature_config_flags &
7657 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
7658 DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
7659 else {
7660 DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
7661 return;
7662 }
7663 } else
7664 DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
7665 bnx2x_cl45_write(bp, phy,
7666 MDIO_PMA_DEVAD,
7667 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
7668}
7669
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007670static u8 bnx2x_get_gpio_port(struct link_params *params)
7671{
7672 u8 gpio_port;
7673 u32 swap_val, swap_override;
7674 struct bnx2x *bp = params->bp;
7675 if (CHIP_IS_E2(bp))
7676 gpio_port = BP_PATH(bp);
7677 else
7678 gpio_port = params->port;
7679 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7680 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7681 return gpio_port ^ (swap_val && swap_override);
7682}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007683
7684static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
7685 struct bnx2x_phy *phy,
7686 u8 tx_en)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007687{
7688 u16 val;
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007689 u8 port = params->port;
7690 struct bnx2x *bp = params->bp;
7691 u32 tx_en_mode;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007692
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007693 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007694 tx_en_mode = REG_RD(bp, params->shmem_base +
7695 offsetof(struct shmem_region,
7696 dev_info.port_hw_config[port].sfp_ctrl)) &
7697 PORT_HW_CFG_TX_LASER_MASK;
7698 DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
7699 "mode = %x\n", tx_en, port, tx_en_mode);
7700 switch (tx_en_mode) {
7701 case PORT_HW_CFG_TX_LASER_MDIO:
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007702
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007703 bnx2x_cl45_read(bp, phy,
7704 MDIO_PMA_DEVAD,
7705 MDIO_PMA_REG_PHY_IDENTIFIER,
7706 &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007707
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007708 if (tx_en)
7709 val &= ~(1<<15);
7710 else
7711 val |= (1<<15);
7712
7713 bnx2x_cl45_write(bp, phy,
7714 MDIO_PMA_DEVAD,
7715 MDIO_PMA_REG_PHY_IDENTIFIER,
7716 val);
7717 break;
7718 case PORT_HW_CFG_TX_LASER_GPIO0:
7719 case PORT_HW_CFG_TX_LASER_GPIO1:
7720 case PORT_HW_CFG_TX_LASER_GPIO2:
7721 case PORT_HW_CFG_TX_LASER_GPIO3:
7722 {
7723 u16 gpio_pin;
7724 u8 gpio_port, gpio_mode;
7725 if (tx_en)
7726 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
7727 else
7728 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
7729
7730 gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
7731 gpio_port = bnx2x_get_gpio_port(params);
7732 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7733 break;
7734 }
7735 default:
7736 DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
7737 break;
7738 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007739}
7740
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007741static void bnx2x_sfp_set_transmitter(struct link_params *params,
7742 struct bnx2x_phy *phy,
7743 u8 tx_en)
7744{
7745 struct bnx2x *bp = params->bp;
7746 DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
7747 if (CHIP_IS_E3(bp))
7748 bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
7749 else
7750 bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
7751}
7752
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007753static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7754 struct link_params *params,
7755 u16 addr, u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007756{
7757 struct bnx2x *bp = params->bp;
7758 u16 val = 0;
7759 u16 i;
Yuval Mintz24ea8182012-06-20 19:05:23 +00007760 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
Joe Perches94f05b02011-08-14 12:16:20 +00007761 DP(NETIF_MSG_LINK,
7762 "Reading from eeprom is limited to 0xf\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007763 return -EINVAL;
7764 }
7765 /* Set the read command byte count */
7766 bnx2x_cl45_write(bp, phy,
7767 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007768 (byte_cnt | 0xa000));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007769
7770 /* Set the read command address */
7771 bnx2x_cl45_write(bp, phy,
7772 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007773 addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007774
7775 /* Activate read command */
7776 bnx2x_cl45_write(bp, phy,
7777 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007778 0x2c0f);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007779
7780 /* Wait up to 500us for command complete status */
7781 for (i = 0; i < 100; i++) {
7782 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007783 MDIO_PMA_DEVAD,
7784 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007785 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7786 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7787 break;
7788 udelay(5);
7789 }
7790
7791 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7792 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7793 DP(NETIF_MSG_LINK,
7794 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7795 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7796 return -EINVAL;
7797 }
7798
7799 /* Read the buffer */
7800 for (i = 0; i < byte_cnt; i++) {
7801 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007802 MDIO_PMA_DEVAD,
7803 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007804 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7805 }
7806
7807 for (i = 0; i < 100; i++) {
7808 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007809 MDIO_PMA_DEVAD,
7810 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007811 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7812 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
Joe Perches6f38ad92010-11-14 17:04:31 +00007813 return 0;
Yaniv Rosner503976e2012-11-27 03:46:34 +00007814 usleep_range(1000, 2000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007815 }
7816 return -EINVAL;
7817}
7818
Yuval Mintz50a29842012-06-16 20:27:14 +00007819static void bnx2x_warpcore_power_module(struct link_params *params,
Yuval Mintz50a29842012-06-16 20:27:14 +00007820 u8 power)
7821{
7822 u32 pin_cfg;
7823 struct bnx2x *bp = params->bp;
7824
7825 pin_cfg = (REG_RD(bp, params->shmem_base +
7826 offsetof(struct shmem_region,
7827 dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
7828 PORT_HW_CFG_E3_PWR_DIS_MASK) >>
7829 PORT_HW_CFG_E3_PWR_DIS_SHIFT;
7830
7831 if (pin_cfg == PIN_CFG_NA)
7832 return;
7833 DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
7834 power, pin_cfg);
7835 /* Low ==> corresponding SFP+ module is powered
7836 * high ==> the SFP+ module is powered down
7837 */
7838 bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
7839}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007840static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7841 struct link_params *params,
7842 u16 addr, u8 byte_cnt,
Yaniv Rosnere82041d2012-10-31 05:46:56 +00007843 u8 *o_buf, u8 is_init)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007844{
7845 int rc = 0;
7846 u8 i, j = 0, cnt = 0;
7847 u32 data_array[4];
7848 u16 addr32;
7849 struct bnx2x *bp = params->bp;
Yuval Mintz24ea8182012-06-20 19:05:23 +00007850
7851 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
Joe Perches94f05b02011-08-14 12:16:20 +00007852 DP(NETIF_MSG_LINK,
7853 "Reading from eeprom is limited to 16 bytes\n");
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007854 return -EINVAL;
7855 }
7856
7857 /* 4 byte aligned address */
7858 addr32 = addr & (~0x3);
7859 do {
Yaniv Rosnere82041d2012-10-31 05:46:56 +00007860 if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00007861 bnx2x_warpcore_power_module(params, 0);
Yuval Mintz50a29842012-06-16 20:27:14 +00007862 /* Note that 100us are not enough here */
Yaniv Rosnere82041d2012-10-31 05:46:56 +00007863 usleep_range(1000, 2000);
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00007864 bnx2x_warpcore_power_module(params, 1);
Yuval Mintz50a29842012-06-16 20:27:14 +00007865 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007866 rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
7867 data_array);
7868 } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
7869
7870 if (rc == 0) {
7871 for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
7872 o_buf[j] = *((u8 *)data_array + i);
7873 j++;
7874 }
7875 }
7876
7877 return rc;
7878}
7879
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007880static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7881 struct link_params *params,
7882 u16 addr, u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007883{
7884 struct bnx2x *bp = params->bp;
7885 u16 val, i;
7886
Yuval Mintz24ea8182012-06-20 19:05:23 +00007887 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
Joe Perches94f05b02011-08-14 12:16:20 +00007888 DP(NETIF_MSG_LINK,
7889 "Reading from eeprom is limited to 0xf\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007890 return -EINVAL;
7891 }
7892
7893 /* Need to read from 1.8000 to clear it */
7894 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007895 MDIO_PMA_DEVAD,
7896 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7897 &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007898
7899 /* Set the read command byte count */
7900 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007901 MDIO_PMA_DEVAD,
7902 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7903 ((byte_cnt < 2) ? 2 : byte_cnt));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007904
7905 /* Set the read command address */
7906 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007907 MDIO_PMA_DEVAD,
7908 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7909 addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007910 /* Set the destination address */
7911 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007912 MDIO_PMA_DEVAD,
7913 0x8004,
7914 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007915
7916 /* Activate read command */
7917 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007918 MDIO_PMA_DEVAD,
7919 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7920 0x8002);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007921 /* Wait appropriate time for two-wire command to finish before
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007922 * polling the status register
7923 */
Yaniv Rosner503976e2012-11-27 03:46:34 +00007924 usleep_range(1000, 2000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007925
7926 /* Wait up to 500us for command complete status */
7927 for (i = 0; i < 100; i++) {
7928 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007929 MDIO_PMA_DEVAD,
7930 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007931 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7932 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7933 break;
7934 udelay(5);
7935 }
7936
7937 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7938 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7939 DP(NETIF_MSG_LINK,
7940 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7941 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
Yaniv Rosner65a001b2011-01-31 04:22:03 +00007942 return -EFAULT;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007943 }
7944
7945 /* Read the buffer */
7946 for (i = 0; i < byte_cnt; i++) {
7947 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007948 MDIO_PMA_DEVAD,
7949 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007950 o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
7951 }
7952
7953 for (i = 0; i < 100; i++) {
7954 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007955 MDIO_PMA_DEVAD,
7956 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007957 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7958 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
Joe Perches6f38ad92010-11-14 17:04:31 +00007959 return 0;
Yaniv Rosner503976e2012-11-27 03:46:34 +00007960 usleep_range(1000, 2000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007961 }
7962
7963 return -EINVAL;
7964}
7965
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007966int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7967 struct link_params *params, u16 addr,
7968 u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007969{
Yuval Mintz24ea8182012-06-20 19:05:23 +00007970 int rc = -EOPNOTSUPP;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007971 switch (phy->type) {
7972 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
7973 rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
7974 byte_cnt, o_buf);
7975 break;
7976 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
7977 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
7978 rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
7979 byte_cnt, o_buf);
7980 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007981 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7982 rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
Yaniv Rosnere82041d2012-10-31 05:46:56 +00007983 byte_cnt, o_buf, 0);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007984 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007985 }
7986 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007987}
7988
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007989static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
7990 struct link_params *params,
7991 u16 *edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007992{
7993 struct bnx2x *bp = params->bp;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007994 u32 sync_offset = 0, phy_idx, media_types;
Yaniv Rosner52160da2012-11-27 03:46:35 +00007995 u8 gport, val[2], check_limiting_mode = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007996 *edc_mode = EDC_MODE_LIMITING;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007997 phy->media_type = ETH_PHY_UNSPECIFIED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007998 /* First check for copper cable */
7999 if (bnx2x_read_sfp_module_eeprom(phy,
8000 params,
8001 SFP_EEPROM_CON_TYPE_ADDR,
Yuval Mintzdbef8072012-06-20 19:05:22 +00008002 2,
8003 (u8 *)val) != 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008004 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
8005 return -EINVAL;
8006 }
8007
Yuval Mintzdbef8072012-06-20 19:05:22 +00008008 switch (val[0]) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008009 case SFP_EEPROM_CON_TYPE_VAL_COPPER:
8010 {
8011 u8 copper_module_type;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00008012 phy->media_type = ETH_PHY_DA_TWINAX;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008013 /* Check if its active cable (includes SFP+ module)
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008014 * of passive cable
8015 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008016 if (bnx2x_read_sfp_module_eeprom(phy,
8017 params,
8018 SFP_EEPROM_FC_TX_TECH_ADDR,
8019 1,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00008020 &copper_module_type) != 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008021 DP(NETIF_MSG_LINK,
8022 "Failed to read copper-cable-type"
8023 " from SFP+ EEPROM\n");
8024 return -EINVAL;
8025 }
8026
8027 if (copper_module_type &
8028 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
8029 DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
8030 check_limiting_mode = 1;
8031 } else if (copper_module_type &
8032 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
Joe Perches94f05b02011-08-14 12:16:20 +00008033 DP(NETIF_MSG_LINK,
8034 "Passive Copper cable detected\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008035 *edc_mode =
8036 EDC_MODE_PASSIVE_DAC;
8037 } else {
Joe Perches94f05b02011-08-14 12:16:20 +00008038 DP(NETIF_MSG_LINK,
8039 "Unknown copper-cable-type 0x%x !!!\n",
8040 copper_module_type);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008041 return -EINVAL;
8042 }
8043 break;
8044 }
8045 case SFP_EEPROM_CON_TYPE_VAL_LC:
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008046 check_limiting_mode = 1;
Yuval Mintzdbef8072012-06-20 19:05:22 +00008047 if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
8048 SFP_EEPROM_COMP_CODE_LR_MASK |
8049 SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
8050 DP(NETIF_MSG_LINK, "1G Optic module detected\n");
Yaniv Rosner52160da2012-11-27 03:46:35 +00008051 gport = params->port;
Yuval Mintzdbef8072012-06-20 19:05:22 +00008052 phy->media_type = ETH_PHY_SFP_1G_FIBER;
8053 phy->req_line_speed = SPEED_1000;
Yaniv Rosner52160da2012-11-27 03:46:35 +00008054 if (!CHIP_IS_E1x(bp))
8055 gport = BP_PATH(bp) + (params->port << 1);
8056 netdev_err(bp->dev, "Warning: Link speed was forced to 1000Mbps."
8057 " Current SFP module in port %d is not"
8058 " compliant with 10G Ethernet\n",
8059 gport);
Yuval Mintzdbef8072012-06-20 19:05:22 +00008060 } else {
8061 int idx, cfg_idx = 0;
8062 DP(NETIF_MSG_LINK, "10G Optic module detected\n");
8063 for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
8064 if (params->phy[idx].type == phy->type) {
8065 cfg_idx = LINK_CONFIG_IDX(idx);
8066 break;
8067 }
8068 }
8069 phy->media_type = ETH_PHY_SFPP_10G_FIBER;
8070 phy->req_line_speed = params->req_line_speed[cfg_idx];
8071 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008072 break;
8073 default:
8074 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
Yuval Mintzdbef8072012-06-20 19:05:22 +00008075 val[0]);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008076 return -EINVAL;
8077 }
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00008078 sync_offset = params->shmem_base +
8079 offsetof(struct shmem_region,
8080 dev_info.port_hw_config[params->port].media_type);
8081 media_types = REG_RD(bp, sync_offset);
8082 /* Update media type for non-PMF sync */
8083 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
8084 if (&(params->phy[phy_idx]) == phy) {
8085 media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
8086 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8087 media_types |= ((phy->media_type &
8088 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
8089 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8090 break;
8091 }
8092 }
8093 REG_WR(bp, sync_offset, media_types);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008094 if (check_limiting_mode) {
8095 u8 options[SFP_EEPROM_OPTIONS_SIZE];
8096 if (bnx2x_read_sfp_module_eeprom(phy,
8097 params,
8098 SFP_EEPROM_OPTIONS_ADDR,
8099 SFP_EEPROM_OPTIONS_SIZE,
8100 options) != 0) {
Joe Perches94f05b02011-08-14 12:16:20 +00008101 DP(NETIF_MSG_LINK,
8102 "Failed to read Option field from module EEPROM\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008103 return -EINVAL;
8104 }
8105 if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
8106 *edc_mode = EDC_MODE_LINEAR;
8107 else
8108 *edc_mode = EDC_MODE_LIMITING;
8109 }
8110 DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
8111 return 0;
8112}
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008113/* This function read the relevant field from the module (SFP+), and verify it
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008114 * is compliant with this board
8115 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008116static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
8117 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008118{
8119 struct bnx2x *bp = params->bp;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008120 u32 val, cmd;
8121 u32 fw_resp, fw_cmd_param;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008122 char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
8123 char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008124 phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008125 val = REG_RD(bp, params->shmem_base +
8126 offsetof(struct shmem_region, dev_info.
8127 port_feature_config[params->port].config));
8128 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8129 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
8130 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
8131 return 0;
8132 }
8133
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008134 if (params->feature_config_flags &
8135 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
8136 /* Use specific phy request */
8137 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
8138 } else if (params->feature_config_flags &
8139 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
8140 /* Use first phy request only in case of non-dual media*/
8141 if (DUAL_MEDIA(params)) {
Joe Perches94f05b02011-08-14 12:16:20 +00008142 DP(NETIF_MSG_LINK,
8143 "FW does not support OPT MDL verification\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008144 return -EINVAL;
8145 }
8146 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
8147 } else {
8148 /* No support in OPT MDL detection */
Joe Perches94f05b02011-08-14 12:16:20 +00008149 DP(NETIF_MSG_LINK,
8150 "FW does not support OPT MDL verification\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008151 return -EINVAL;
8152 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008153
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008154 fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
8155 fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008156 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
8157 DP(NETIF_MSG_LINK, "Approved module\n");
8158 return 0;
8159 }
8160
Yuval Mintzd2310232012-06-20 19:05:19 +00008161 /* Format the warning message */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008162 if (bnx2x_read_sfp_module_eeprom(phy,
8163 params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008164 SFP_EEPROM_VENDOR_NAME_ADDR,
8165 SFP_EEPROM_VENDOR_NAME_SIZE,
8166 (u8 *)vendor_name))
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008167 vendor_name[0] = '\0';
8168 else
8169 vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
8170 if (bnx2x_read_sfp_module_eeprom(phy,
8171 params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008172 SFP_EEPROM_PART_NO_ADDR,
8173 SFP_EEPROM_PART_NO_SIZE,
8174 (u8 *)vendor_pn))
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008175 vendor_pn[0] = '\0';
8176 else
8177 vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
8178
Yaniv Rosner6d870c32011-01-31 04:22:20 +00008179 netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
8180 " Port %d from %s part number %s\n",
8181 params->port, vendor_name, vendor_pn);
Yaniv Rosner59a2e532012-04-04 01:28:59 +00008182 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8183 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
8184 phy->flags |= FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008185 return -EINVAL;
8186}
8187
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008188static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
8189 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008190
8191{
8192 u8 val;
Yaniv Rosnere82041d2012-10-31 05:46:56 +00008193 int rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008194 struct bnx2x *bp = params->bp;
8195 u16 timeout;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008196 /* Initialization time after hot-plug may take up to 300ms for
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008197 * some phys type ( e.g. JDSU )
8198 */
8199
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008200 for (timeout = 0; timeout < 60; timeout++) {
Yaniv Rosnere82041d2012-10-31 05:46:56 +00008201 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8202 rc = bnx2x_warpcore_read_sfp_module_eeprom(phy,
8203 params, 1,
8204 1, &val, 1);
8205 else
8206 rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1,
8207 &val);
8208 if (rc == 0) {
Joe Perches94f05b02011-08-14 12:16:20 +00008209 DP(NETIF_MSG_LINK,
8210 "SFP+ module initialization took %d ms\n",
8211 timeout * 5);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008212 return 0;
8213 }
Yuval Mintzd2310232012-06-20 19:05:19 +00008214 usleep_range(5000, 10000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008215 }
Yaniv Rosnere82041d2012-10-31 05:46:56 +00008216 rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val);
8217 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008218}
8219
8220static void bnx2x_8727_power_module(struct bnx2x *bp,
8221 struct bnx2x_phy *phy,
8222 u8 is_power_up) {
8223 /* Make sure GPIOs are not using for LED mode */
8224 u16 val;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008225 /* In the GPIO register, bit 4 is use to determine if the GPIOs are
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008226 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
8227 * output
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008228 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
8229 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008230 * where the 1st bit is the over-current(only input), and 2nd bit is
8231 * for power( only output )
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008232 *
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008233 * In case of NOC feature is disabled and power is up, set GPIO control
8234 * as input to enable listening of over-current indication
8235 */
8236 if (phy->flags & FLAGS_NOC)
8237 return;
Yaniv Rosner27d02432011-05-31 21:27:48 +00008238 if (is_power_up)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008239 val = (1<<4);
8240 else
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008241 /* Set GPIO control to OUTPUT, and set the power bit
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008242 * to according to the is_power_up
8243 */
Yaniv Rosner27d02432011-05-31 21:27:48 +00008244 val = (1<<1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008245
8246 bnx2x_cl45_write(bp, phy,
8247 MDIO_PMA_DEVAD,
8248 MDIO_PMA_REG_8727_GPIO_CTRL,
8249 val);
8250}
8251
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008252static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
8253 struct bnx2x_phy *phy,
8254 u16 edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008255{
8256 u16 cur_limiting_mode;
8257
8258 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008259 MDIO_PMA_DEVAD,
8260 MDIO_PMA_REG_ROM_VER2,
8261 &cur_limiting_mode);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008262 DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
8263 cur_limiting_mode);
8264
8265 if (edc_mode == EDC_MODE_LIMITING) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008266 DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008267 bnx2x_cl45_write(bp, phy,
8268 MDIO_PMA_DEVAD,
8269 MDIO_PMA_REG_ROM_VER2,
8270 EDC_MODE_LIMITING);
8271 } else { /* LRM mode ( default )*/
8272
8273 DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
8274
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008275 /* Changing to LRM mode takes quite few seconds. So do it only
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008276 * if current mode is limiting (default is LRM)
8277 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008278 if (cur_limiting_mode != EDC_MODE_LIMITING)
8279 return 0;
8280
8281 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008282 MDIO_PMA_DEVAD,
8283 MDIO_PMA_REG_LRM_MODE,
8284 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008285 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008286 MDIO_PMA_DEVAD,
8287 MDIO_PMA_REG_ROM_VER2,
8288 0x128);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008289 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008290 MDIO_PMA_DEVAD,
8291 MDIO_PMA_REG_MISC_CTRL0,
8292 0x4008);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008293 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008294 MDIO_PMA_DEVAD,
8295 MDIO_PMA_REG_LRM_MODE,
8296 0xaaaa);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008297 }
8298 return 0;
8299}
8300
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008301static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
8302 struct bnx2x_phy *phy,
8303 u16 edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008304{
8305 u16 phy_identifier;
8306 u16 rom_ver2_val;
8307 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008308 MDIO_PMA_DEVAD,
8309 MDIO_PMA_REG_PHY_IDENTIFIER,
8310 &phy_identifier);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008311
8312 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008313 MDIO_PMA_DEVAD,
8314 MDIO_PMA_REG_PHY_IDENTIFIER,
8315 (phy_identifier & ~(1<<9)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008316
8317 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008318 MDIO_PMA_DEVAD,
8319 MDIO_PMA_REG_ROM_VER2,
8320 &rom_ver2_val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008321 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
8322 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008323 MDIO_PMA_DEVAD,
8324 MDIO_PMA_REG_ROM_VER2,
8325 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008326
8327 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008328 MDIO_PMA_DEVAD,
8329 MDIO_PMA_REG_PHY_IDENTIFIER,
8330 (phy_identifier | (1<<9)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008331
8332 return 0;
8333}
8334
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008335static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
8336 struct link_params *params,
8337 u32 action)
8338{
8339 struct bnx2x *bp = params->bp;
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00008340 u16 val;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008341 switch (action) {
8342 case DISABLE_TX:
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008343 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008344 break;
8345 case ENABLE_TX:
8346 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008347 bnx2x_sfp_set_transmitter(params, phy, 1);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008348 break;
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00008349 case PHY_INIT:
8350 bnx2x_cl45_write(bp, phy,
8351 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8352 (1<<2) | (1<<5));
8353 bnx2x_cl45_write(bp, phy,
8354 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8355 0);
8356 bnx2x_cl45_write(bp, phy,
8357 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
8358 /* Make MOD_ABS give interrupt on change */
8359 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8360 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8361 &val);
8362 val |= (1<<12);
8363 if (phy->flags & FLAGS_NOC)
8364 val |= (3<<5);
8365 /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
8366 * status which reflect SFP+ module over-current
8367 */
8368 if (!(phy->flags & FLAGS_NOC))
8369 val &= 0xff8f; /* Reset bits 4-6 */
8370 bnx2x_cl45_write(bp, phy,
8371 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8372 val);
8373
8374 /* Set 2-wire transfer rate of SFP+ module EEPROM
8375 * to 100Khz since some DACs(direct attached cables) do
8376 * not work at 400Khz.
8377 */
8378 bnx2x_cl45_write(bp, phy,
8379 MDIO_PMA_DEVAD,
8380 MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
8381 0xa001);
8382 break;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008383 default:
8384 DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
8385 action);
8386 return;
8387 }
8388}
8389
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008390static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008391 u8 gpio_mode)
8392{
8393 struct bnx2x *bp = params->bp;
8394
8395 u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
8396 offsetof(struct shmem_region,
8397 dev_info.port_hw_config[params->port].sfp_ctrl)) &
8398 PORT_HW_CFG_FAULT_MODULE_LED_MASK;
8399 switch (fault_led_gpio) {
8400 case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
8401 return;
8402 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
8403 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
8404 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
8405 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
8406 {
8407 u8 gpio_port = bnx2x_get_gpio_port(params);
8408 u16 gpio_pin = fault_led_gpio -
8409 PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
8410 DP(NETIF_MSG_LINK, "Set fault module-detected led "
8411 "pin %x port %x mode %x\n",
8412 gpio_pin, gpio_port, gpio_mode);
8413 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
8414 }
8415 break;
8416 default:
8417 DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
8418 fault_led_gpio);
8419 }
8420}
8421
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008422static void bnx2x_set_e3_module_fault_led(struct link_params *params,
8423 u8 gpio_mode)
8424{
8425 u32 pin_cfg;
8426 u8 port = params->port;
8427 struct bnx2x *bp = params->bp;
8428 pin_cfg = (REG_RD(bp, params->shmem_base +
8429 offsetof(struct shmem_region,
8430 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
8431 PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
8432 PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
8433 DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
8434 gpio_mode, pin_cfg);
8435 bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
8436}
8437
8438static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
8439 u8 gpio_mode)
8440{
8441 struct bnx2x *bp = params->bp;
8442 DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
8443 if (CHIP_IS_E3(bp)) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008444 /* Low ==> if SFP+ module is supported otherwise
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008445 * High ==> if SFP+ module is not on the approved vendor list
8446 */
8447 bnx2x_set_e3_module_fault_led(params, gpio_mode);
8448 } else
8449 bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
8450}
8451
Yaniv Rosner985848f2011-07-05 01:06:48 +00008452static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
8453 struct link_params *params)
8454{
Yaniv Rosnerb76070b2011-11-28 00:49:47 +00008455 struct bnx2x *bp = params->bp;
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00008456 bnx2x_warpcore_power_module(params, 0);
Yaniv Rosnerb76070b2011-11-28 00:49:47 +00008457 /* Put Warpcore in low power mode */
8458 REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
8459
8460 /* Put LCPLL in low power mode */
8461 REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
8462 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
8463 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
Yaniv Rosner985848f2011-07-05 01:06:48 +00008464}
8465
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008466static void bnx2x_power_sfp_module(struct link_params *params,
8467 struct bnx2x_phy *phy,
8468 u8 power)
8469{
8470 struct bnx2x *bp = params->bp;
8471 DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
8472
8473 switch (phy->type) {
8474 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8475 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8476 bnx2x_8727_power_module(params->bp, phy, power);
8477 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008478 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00008479 bnx2x_warpcore_power_module(params, power);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008480 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008481 default:
8482 break;
8483 }
8484}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008485static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
8486 struct bnx2x_phy *phy,
8487 u16 edc_mode)
8488{
8489 u16 val = 0;
8490 u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8491 struct bnx2x *bp = params->bp;
8492
8493 u8 lane = bnx2x_get_warpcore_lane(phy, params);
8494 /* This is a global register which controls all lanes */
8495 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8496 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8497 val &= ~(0xf << (lane << 2));
8498
8499 switch (edc_mode) {
8500 case EDC_MODE_LINEAR:
8501 case EDC_MODE_LIMITING:
8502 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8503 break;
8504 case EDC_MODE_PASSIVE_DAC:
8505 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
8506 break;
8507 default:
8508 break;
8509 }
8510
8511 val |= (mode << (lane << 2));
8512 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
8513 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
8514 /* A must read */
8515 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8516 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8517
Yaniv Rosner19af03a2011-08-02 22:59:47 +00008518 /* Restart microcode to re-read the new mode */
8519 bnx2x_warpcore_reset_lane(bp, phy, 1);
8520 bnx2x_warpcore_reset_lane(bp, phy, 0);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008521
8522}
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008523
8524static void bnx2x_set_limiting_mode(struct link_params *params,
8525 struct bnx2x_phy *phy,
8526 u16 edc_mode)
8527{
8528 switch (phy->type) {
8529 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8530 bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
8531 break;
8532 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8533 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8534 bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
8535 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008536 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8537 bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
8538 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008539 }
8540}
8541
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008542int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
8543 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008544{
8545 struct bnx2x *bp = params->bp;
8546 u16 edc_mode;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008547 int rc = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008548
8549 u32 val = REG_RD(bp, params->shmem_base +
8550 offsetof(struct shmem_region, dev_info.
8551 port_feature_config[params->port].config));
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00008552 /* Enabled transmitter by default */
8553 bnx2x_sfp_set_transmitter(params, phy, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008554 DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
8555 params->port);
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008556 /* Power up module */
8557 bnx2x_power_sfp_module(params, phy, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008558 if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
8559 DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
8560 return -EINVAL;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008561 } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
Yuval Mintzd2310232012-06-20 19:05:19 +00008562 /* Check SFP+ module compatibility */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008563 DP(NETIF_MSG_LINK, "Module verification failed!!\n");
8564 rc = -EINVAL;
8565 /* Turn on fault module-detected led */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008566 bnx2x_set_sfp_module_fault_led(params,
8567 MISC_REGISTERS_GPIO_HIGH);
8568
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008569 /* Check if need to power down the SFP+ module */
8570 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8571 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008572 DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008573 bnx2x_power_sfp_module(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008574 return rc;
8575 }
8576 } else {
8577 /* Turn off fault module-detected led */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008578 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008579 }
8580
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008581 /* Check and set limiting mode / LRM mode on 8726. On 8727 it
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008582 * is done automatically
8583 */
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008584 bnx2x_set_limiting_mode(params, phy, edc_mode);
8585
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00008586 /* Disable transmit for this module if the module is not approved, and
8587 * laser needs to be disabled.
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008588 */
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00008589 if ((rc) &&
8590 ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8591 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008592 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008593
8594 return rc;
8595}
8596
8597void bnx2x_handle_module_detect_int(struct link_params *params)
8598{
8599 struct bnx2x *bp = params->bp;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008600 struct bnx2x_phy *phy;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008601 u32 gpio_val;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008602 u8 gpio_num, gpio_port;
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00008603 if (CHIP_IS_E3(bp)) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008604 phy = &params->phy[INT_PHY];
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00008605 /* Always enable TX laser,will be disabled in case of fault */
8606 bnx2x_sfp_set_transmitter(params, phy, 1);
8607 } else {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008608 phy = &params->phy[EXT_PHY1];
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00008609 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008610 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
8611 params->port, &gpio_num, &gpio_port) ==
8612 -EINVAL) {
8613 DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
8614 return;
8615 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008616
8617 /* Set valid module led off */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008618 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008619
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008620 /* Get current gpio val reflecting module plugged in / out*/
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008621 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008622
8623 /* Call the handling function in case module is detected */
8624 if (gpio_val == 0) {
Yaniv Rosner55386fe82012-11-27 03:46:30 +00008625 bnx2x_set_mdio_emac_per_phy(bp, params);
Yuval Mintzdbef8072012-06-20 19:05:22 +00008626 bnx2x_set_aer_mmd(params, phy);
8627
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008628 bnx2x_power_sfp_module(params, phy, 1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008629 bnx2x_set_gpio_int(bp, gpio_num,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008630 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008631 gpio_port);
Yuval Mintzdbef8072012-06-20 19:05:22 +00008632 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008633 bnx2x_sfp_module_detection(phy, params);
Yuval Mintzdbef8072012-06-20 19:05:22 +00008634 if (CHIP_IS_E3(bp)) {
8635 u16 rx_tx_in_reset;
8636 /* In case WC is out of reset, reconfigure the
8637 * link speed while taking into account 1G
8638 * module limitation.
8639 */
8640 bnx2x_cl45_read(bp, phy,
8641 MDIO_WC_DEVAD,
8642 MDIO_WC_REG_DIGITAL5_MISC6,
8643 &rx_tx_in_reset);
8644 if (!rx_tx_in_reset) {
8645 bnx2x_warpcore_reset_lane(bp, phy, 1);
8646 bnx2x_warpcore_config_sfi(phy, params);
8647 bnx2x_warpcore_reset_lane(bp, phy, 0);
8648 }
8649 }
8650 } else {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008651 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
Yuval Mintzdbef8072012-06-20 19:05:22 +00008652 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008653 } else {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008654 bnx2x_set_gpio_int(bp, gpio_num,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008655 MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008656 gpio_port);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008657 /* Module was plugged out.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008658 * Disable transmit for this module
8659 */
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00008660 phy->media_type = ETH_PHY_NOT_PRESENT;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008661 }
8662}
8663
8664/******************************************************************/
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008665/* Used by 8706 and 8727 */
8666/******************************************************************/
8667static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
8668 struct bnx2x_phy *phy,
8669 u16 alarm_status_offset,
8670 u16 alarm_ctrl_offset)
8671{
8672 u16 alarm_status, val;
8673 bnx2x_cl45_read(bp, phy,
8674 MDIO_PMA_DEVAD, alarm_status_offset,
8675 &alarm_status);
8676 bnx2x_cl45_read(bp, phy,
8677 MDIO_PMA_DEVAD, alarm_status_offset,
8678 &alarm_status);
8679 /* Mask or enable the fault event. */
8680 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
8681 if (alarm_status & (1<<0))
8682 val &= ~(1<<0);
8683 else
8684 val |= (1<<0);
8685 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
8686}
8687/******************************************************************/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008688/* common BCM8706/BCM8726 PHY SECTION */
8689/******************************************************************/
8690static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
8691 struct link_params *params,
8692 struct link_vars *vars)
8693{
8694 u8 link_up = 0;
8695 u16 val1, val2, rx_sd, pcs_status;
8696 struct bnx2x *bp = params->bp;
8697 DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
8698 /* Clear RX Alarm*/
8699 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008700 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008701
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008702 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8703 MDIO_PMA_LASI_TXCTRL);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008704
Yuval Mintzd2310232012-06-20 19:05:19 +00008705 /* Clear LASI indication*/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008706 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008707 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008708 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008709 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008710 DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8711
8712 bnx2x_cl45_read(bp, phy,
8713 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8714 bnx2x_cl45_read(bp, phy,
8715 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
8716 bnx2x_cl45_read(bp, phy,
8717 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8718 bnx2x_cl45_read(bp, phy,
8719 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8720
8721 DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
8722 " link_status 0x%x\n", rx_sd, pcs_status, val2);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008723 /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008724 * are set, or if the autoneg bit 1 is set
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008725 */
8726 link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
8727 if (link_up) {
8728 if (val2 & (1<<1))
8729 vars->line_speed = SPEED_1000;
8730 else
8731 vars->line_speed = SPEED_10000;
8732 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00008733 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008734 }
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008735
8736 /* Capture 10G link fault. Read twice to clear stale value. */
8737 if (vars->line_speed == SPEED_10000) {
8738 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008739 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008740 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008741 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008742 if (val1 & (1<<0))
8743 vars->fault_detected = 1;
8744 }
8745
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008746 return link_up;
8747}
8748
8749/******************************************************************/
8750/* BCM8706 PHY SECTION */
8751/******************************************************************/
8752static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
8753 struct link_params *params,
8754 struct link_vars *vars)
8755{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008756 u32 tx_en_mode;
8757 u16 cnt, val, tmp1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008758 struct bnx2x *bp = params->bp;
Yaniv Rosner3deb8162011-06-14 01:34:33 +00008759
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008760 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008761 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008762 /* HW reset */
8763 bnx2x_ext_phy_hw_reset(bp, params->port);
8764 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00008765 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008766
8767 /* Wait until fw is loaded */
8768 for (cnt = 0; cnt < 100; cnt++) {
8769 bnx2x_cl45_read(bp, phy,
8770 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
8771 if (val)
8772 break;
Yuval Mintzd2310232012-06-20 19:05:19 +00008773 usleep_range(10000, 20000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008774 }
8775 DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
8776 if ((params->feature_config_flags &
8777 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8778 u8 i;
8779 u16 reg;
8780 for (i = 0; i < 4; i++) {
8781 reg = MDIO_XS_8706_REG_BANK_RX0 +
8782 i*(MDIO_XS_8706_REG_BANK_RX1 -
8783 MDIO_XS_8706_REG_BANK_RX0);
8784 bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
8785 /* Clear first 3 bits of the control */
8786 val &= ~0x7;
8787 /* Set control bits according to configuration */
8788 val |= (phy->rx_preemphasis[i] & 0x7);
8789 DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
8790 " reg 0x%x <-- val 0x%x\n", reg, val);
8791 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
8792 }
8793 }
8794 /* Force speed */
8795 if (phy->req_line_speed == SPEED_10000) {
8796 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
8797
8798 bnx2x_cl45_write(bp, phy,
8799 MDIO_PMA_DEVAD,
8800 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
8801 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008802 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008803 0);
8804 /* Arm LASI for link and Tx fault. */
8805 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008806 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008807 } else {
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008808 /* Force 1Gbps using autoneg with 1G advertisement */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008809
8810 /* Allow CL37 through CL73 */
8811 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
8812 bnx2x_cl45_write(bp, phy,
8813 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8814
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008815 /* Enable Full-Duplex advertisement on CL37 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008816 bnx2x_cl45_write(bp, phy,
8817 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
8818 /* Enable CL37 AN */
8819 bnx2x_cl45_write(bp, phy,
8820 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8821 /* 1G support */
8822 bnx2x_cl45_write(bp, phy,
8823 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
8824
8825 /* Enable clause 73 AN */
8826 bnx2x_cl45_write(bp, phy,
8827 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8828 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008829 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008830 0x0400);
8831 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008832 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008833 0x0004);
8834 }
8835 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008836
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008837 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008838 * power mode, if TX Laser is disabled
8839 */
8840
8841 tx_en_mode = REG_RD(bp, params->shmem_base +
8842 offsetof(struct shmem_region,
8843 dev_info.port_hw_config[params->port].sfp_ctrl))
8844 & PORT_HW_CFG_TX_LASER_MASK;
8845
8846 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8847 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8848 bnx2x_cl45_read(bp, phy,
8849 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
8850 tmp1 |= 0x1;
8851 bnx2x_cl45_write(bp, phy,
8852 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
8853 }
8854
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008855 return 0;
8856}
8857
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008858static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
8859 struct link_params *params,
8860 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008861{
8862 return bnx2x_8706_8726_read_status(phy, params, vars);
8863}
8864
8865/******************************************************************/
8866/* BCM8726 PHY SECTION */
8867/******************************************************************/
8868static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
8869 struct link_params *params)
8870{
8871 struct bnx2x *bp = params->bp;
8872 DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
8873 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
8874}
8875
8876static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
8877 struct link_params *params)
8878{
8879 struct bnx2x *bp = params->bp;
8880 /* Need to wait 100ms after reset */
8881 msleep(100);
8882
8883 /* Micro controller re-boot */
8884 bnx2x_cl45_write(bp, phy,
8885 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
8886
8887 /* Set soft reset */
8888 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008889 MDIO_PMA_DEVAD,
8890 MDIO_PMA_REG_GEN_CTRL,
8891 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008892
8893 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008894 MDIO_PMA_DEVAD,
8895 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008896
8897 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008898 MDIO_PMA_DEVAD,
8899 MDIO_PMA_REG_GEN_CTRL,
8900 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008901
Yuval Mintzd2310232012-06-20 19:05:19 +00008902 /* Wait for 150ms for microcode load */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008903 msleep(150);
8904
8905 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
8906 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008907 MDIO_PMA_DEVAD,
8908 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008909
8910 msleep(200);
8911 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8912}
8913
8914static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
8915 struct link_params *params,
8916 struct link_vars *vars)
8917{
8918 struct bnx2x *bp = params->bp;
8919 u16 val1;
8920 u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
8921 if (link_up) {
8922 bnx2x_cl45_read(bp, phy,
8923 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
8924 &val1);
8925 if (val1 & (1<<15)) {
8926 DP(NETIF_MSG_LINK, "Tx is disabled\n");
8927 link_up = 0;
8928 vars->line_speed = 0;
8929 }
8930 }
8931 return link_up;
8932}
8933
8934
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008935static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
8936 struct link_params *params,
8937 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008938{
8939 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008940 DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008941
8942 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00008943 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008944
8945 bnx2x_8726_external_rom_boot(phy, params);
8946
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008947 /* Need to call module detected on initialization since the module
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008948 * detection triggered by actual module insertion might occur before
8949 * driver is loaded, and when driver is loaded, it reset all
8950 * registers, including the transmitter
8951 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008952 bnx2x_sfp_module_detection(phy, params);
8953
8954 if (phy->req_line_speed == SPEED_1000) {
8955 DP(NETIF_MSG_LINK, "Setting 1G force\n");
8956 bnx2x_cl45_write(bp, phy,
8957 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
8958 bnx2x_cl45_write(bp, phy,
8959 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
8960 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008961 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008962 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008963 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008964 0x400);
8965 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
8966 (phy->speed_cap_mask &
8967 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
8968 ((phy->speed_cap_mask &
8969 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
8970 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
8971 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
8972 /* Set Flow control */
8973 bnx2x_ext_phy_set_pause(params, phy, vars);
8974 bnx2x_cl45_write(bp, phy,
8975 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
8976 bnx2x_cl45_write(bp, phy,
8977 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8978 bnx2x_cl45_write(bp, phy,
8979 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
8980 bnx2x_cl45_write(bp, phy,
8981 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8982 bnx2x_cl45_write(bp, phy,
8983 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008984 /* Enable RX-ALARM control to receive interrupt for 1G speed
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008985 * change
8986 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008987 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008988 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008989 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008990 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008991 0x400);
8992
8993 } else { /* Default 10G. Set only LASI control */
8994 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008995 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008996 }
8997
8998 /* Set TX PreEmphasis if needed */
8999 if ((params->feature_config_flags &
9000 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
Joe Perches94f05b02011-08-14 12:16:20 +00009001 DP(NETIF_MSG_LINK,
9002 "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009003 phy->tx_preemphasis[0],
9004 phy->tx_preemphasis[1]);
9005 bnx2x_cl45_write(bp, phy,
9006 MDIO_PMA_DEVAD,
9007 MDIO_PMA_REG_8726_TX_CTRL1,
9008 phy->tx_preemphasis[0]);
9009
9010 bnx2x_cl45_write(bp, phy,
9011 MDIO_PMA_DEVAD,
9012 MDIO_PMA_REG_8726_TX_CTRL2,
9013 phy->tx_preemphasis[1]);
9014 }
9015
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009016 return 0;
9017
9018}
9019
9020static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
9021 struct link_params *params)
9022{
9023 struct bnx2x *bp = params->bp;
9024 DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
9025 /* Set serial boot control for external load */
9026 bnx2x_cl45_write(bp, phy,
9027 MDIO_PMA_DEVAD,
9028 MDIO_PMA_REG_GEN_CTRL, 0x0001);
9029}
9030
9031/******************************************************************/
9032/* BCM8727 PHY SECTION */
9033/******************************************************************/
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009034
9035static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
9036 struct link_params *params, u8 mode)
9037{
9038 struct bnx2x *bp = params->bp;
9039 u16 led_mode_bitmask = 0;
9040 u16 gpio_pins_bitmask = 0;
9041 u16 val;
9042 /* Only NOC flavor requires to set the LED specifically */
9043 if (!(phy->flags & FLAGS_NOC))
9044 return;
9045 switch (mode) {
9046 case LED_MODE_FRONT_PANEL_OFF:
9047 case LED_MODE_OFF:
9048 led_mode_bitmask = 0;
9049 gpio_pins_bitmask = 0x03;
9050 break;
9051 case LED_MODE_ON:
9052 led_mode_bitmask = 0;
9053 gpio_pins_bitmask = 0x02;
9054 break;
9055 case LED_MODE_OPER:
9056 led_mode_bitmask = 0x60;
9057 gpio_pins_bitmask = 0x11;
9058 break;
9059 }
9060 bnx2x_cl45_read(bp, phy,
9061 MDIO_PMA_DEVAD,
9062 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9063 &val);
9064 val &= 0xff8f;
9065 val |= led_mode_bitmask;
9066 bnx2x_cl45_write(bp, phy,
9067 MDIO_PMA_DEVAD,
9068 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9069 val);
9070 bnx2x_cl45_read(bp, phy,
9071 MDIO_PMA_DEVAD,
9072 MDIO_PMA_REG_8727_GPIO_CTRL,
9073 &val);
9074 val &= 0xffe0;
9075 val |= gpio_pins_bitmask;
9076 bnx2x_cl45_write(bp, phy,
9077 MDIO_PMA_DEVAD,
9078 MDIO_PMA_REG_8727_GPIO_CTRL,
9079 val);
9080}
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009081static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
9082 struct link_params *params) {
9083 u32 swap_val, swap_override;
9084 u8 port;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009085 /* The PHY reset is controlled by GPIO 1. Fake the port number
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009086 * to cancel the swap done in set_gpio()
9087 */
9088 struct bnx2x *bp = params->bp;
9089 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
9090 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
9091 port = (swap_val && swap_override) ^ 1;
9092 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009093 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009094}
9095
Yuval Mintzdbef8072012-06-20 19:05:22 +00009096static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
9097 struct link_params *params)
9098{
9099 struct bnx2x *bp = params->bp;
9100 u16 tmp1, val;
9101 /* Set option 1G speed */
9102 if ((phy->req_line_speed == SPEED_1000) ||
9103 (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
9104 DP(NETIF_MSG_LINK, "Setting 1G force\n");
9105 bnx2x_cl45_write(bp, phy,
9106 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9107 bnx2x_cl45_write(bp, phy,
9108 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9109 bnx2x_cl45_read(bp, phy,
9110 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
9111 DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
9112 /* Power down the XAUI until link is up in case of dual-media
9113 * and 1G
9114 */
9115 if (DUAL_MEDIA(params)) {
9116 bnx2x_cl45_read(bp, phy,
9117 MDIO_PMA_DEVAD,
9118 MDIO_PMA_REG_8727_PCS_GP, &val);
9119 val |= (3<<10);
9120 bnx2x_cl45_write(bp, phy,
9121 MDIO_PMA_DEVAD,
9122 MDIO_PMA_REG_8727_PCS_GP, val);
9123 }
9124 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9125 ((phy->speed_cap_mask &
9126 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
9127 ((phy->speed_cap_mask &
9128 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9129 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9130
9131 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9132 bnx2x_cl45_write(bp, phy,
9133 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
9134 bnx2x_cl45_write(bp, phy,
9135 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
9136 } else {
9137 /* Since the 8727 has only single reset pin, need to set the 10G
9138 * registers although it is default
9139 */
9140 bnx2x_cl45_write(bp, phy,
9141 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
9142 0x0020);
9143 bnx2x_cl45_write(bp, phy,
9144 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
9145 bnx2x_cl45_write(bp, phy,
9146 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
9147 bnx2x_cl45_write(bp, phy,
9148 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
9149 0x0008);
9150 }
9151}
9152
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009153static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
9154 struct link_params *params,
9155 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009156{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00009157 u32 tx_en_mode;
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00009158 u16 tmp1, mod_abs, tmp2;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009159 struct bnx2x *bp = params->bp;
9160 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
9161
Yaniv Rosner6d870c32011-01-31 04:22:20 +00009162 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009163
9164 DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009165
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00009166 bnx2x_8727_specific_func(phy, params, PHY_INIT);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009167 /* Initially configure MOD_ABS to interrupt when module is
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009168 * presence( bit 8)
9169 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009170 bnx2x_cl45_read(bp, phy,
9171 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009172 /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009173 * When the EDC is off it locks onto a reference clock and avoids
9174 * becoming 'lost'
9175 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009176 mod_abs &= ~(1<<8);
9177 if (!(phy->flags & FLAGS_NOC))
9178 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009179 bnx2x_cl45_write(bp, phy,
9180 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9181
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009182 /* Enable/Disable PHY transmitter output */
9183 bnx2x_set_disable_pmd_transmit(params, phy, 0);
9184
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009185 bnx2x_8727_power_module(bp, phy, 1);
9186
9187 bnx2x_cl45_read(bp, phy,
9188 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
9189
9190 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009191 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009192
Yuval Mintzdbef8072012-06-20 19:05:22 +00009193 bnx2x_8727_config_speed(phy, params);
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00009194
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009195
9196 /* Set TX PreEmphasis if needed */
9197 if ((params->feature_config_flags &
9198 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9199 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9200 phy->tx_preemphasis[0],
9201 phy->tx_preemphasis[1]);
9202 bnx2x_cl45_write(bp, phy,
9203 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
9204 phy->tx_preemphasis[0]);
9205
9206 bnx2x_cl45_write(bp, phy,
9207 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
9208 phy->tx_preemphasis[1]);
9209 }
9210
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009211 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00009212 * power mode, if TX Laser is disabled
9213 */
9214 tx_en_mode = REG_RD(bp, params->shmem_base +
9215 offsetof(struct shmem_region,
9216 dev_info.port_hw_config[params->port].sfp_ctrl))
9217 & PORT_HW_CFG_TX_LASER_MASK;
9218
9219 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9220
9221 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
9222 bnx2x_cl45_read(bp, phy,
9223 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
9224 tmp2 |= 0x1000;
9225 tmp2 &= 0xFFEF;
9226 bnx2x_cl45_write(bp, phy,
9227 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
Yaniv Rosner59a2e532012-04-04 01:28:59 +00009228 bnx2x_cl45_read(bp, phy,
9229 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9230 &tmp2);
9231 bnx2x_cl45_write(bp, phy,
9232 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9233 (tmp2 & 0x7fff));
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00009234 }
9235
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009236 return 0;
9237}
9238
9239static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
9240 struct link_params *params)
9241{
9242 struct bnx2x *bp = params->bp;
9243 u16 mod_abs, rx_alarm_status;
9244 u32 val = REG_RD(bp, params->shmem_base +
9245 offsetof(struct shmem_region, dev_info.
9246 port_feature_config[params->port].
9247 config));
9248 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009249 MDIO_PMA_DEVAD,
9250 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009251 if (mod_abs & (1<<8)) {
9252
9253 /* Module is absent */
Joe Perches94f05b02011-08-14 12:16:20 +00009254 DP(NETIF_MSG_LINK,
9255 "MOD_ABS indication show module is absent\n");
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00009256 phy->media_type = ETH_PHY_NOT_PRESENT;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009257 /* 1. Set mod_abs to detect next module
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009258 * presence event
9259 * 2. Set EDC off by setting OPTXLOS signal input to low
9260 * (bit 9).
9261 * When the EDC is off it locks onto a reference clock and
9262 * avoids becoming 'lost'.
9263 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009264 mod_abs &= ~(1<<8);
9265 if (!(phy->flags & FLAGS_NOC))
9266 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009267 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009268 MDIO_PMA_DEVAD,
9269 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009270
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009271 /* Clear RX alarm since it stays up as long as
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009272 * the mod_abs wasn't changed
9273 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009274 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009275 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009276 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009277
9278 } else {
9279 /* Module is present */
Joe Perches94f05b02011-08-14 12:16:20 +00009280 DP(NETIF_MSG_LINK,
9281 "MOD_ABS indication show module is present\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009282 /* First disable transmitter, and if the module is ok, the
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009283 * module_detection will enable it
9284 * 1. Set mod_abs to detect next module absent event ( bit 8)
9285 * 2. Restore the default polarity of the OPRXLOS signal and
9286 * this signal will then correctly indicate the presence or
9287 * absence of the Rx signal. (bit 9)
9288 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009289 mod_abs |= (1<<8);
9290 if (!(phy->flags & FLAGS_NOC))
9291 mod_abs |= (1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009292 bnx2x_cl45_write(bp, phy,
9293 MDIO_PMA_DEVAD,
9294 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9295
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009296 /* Clear RX alarm since it stays up as long as the mod_abs
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009297 * wasn't changed. This is need to be done before calling the
9298 * module detection, otherwise it will clear* the link update
9299 * alarm
9300 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009301 bnx2x_cl45_read(bp, phy,
9302 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009303 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009304
9305
9306 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9307 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00009308 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009309
9310 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
9311 bnx2x_sfp_module_detection(phy, params);
9312 else
9313 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
Yuval Mintzdbef8072012-06-20 19:05:22 +00009314
9315 /* Reconfigure link speed based on module type limitations */
9316 bnx2x_8727_config_speed(phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009317 }
9318
9319 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009320 rx_alarm_status);
9321 /* No need to check link status in case of module plugged in/out */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009322}
9323
9324static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
9325 struct link_params *params,
9326 struct link_vars *vars)
9327
9328{
9329 struct bnx2x *bp = params->bp;
Yaniv Rosner27d02432011-05-31 21:27:48 +00009330 u8 link_up = 0, oc_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009331 u16 link_status = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009332 u16 rx_alarm_status, lasi_ctrl, val1;
9333
9334 /* If PHY is not initialized, do not check link status */
9335 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009336 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009337 &lasi_ctrl);
9338 if (!lasi_ctrl)
9339 return 0;
9340
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00009341 /* Check the LASI on Rx */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009342 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009343 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009344 &rx_alarm_status);
9345 vars->line_speed = 0;
9346 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
9347
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009348 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
9349 MDIO_PMA_LASI_TXCTRL);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00009350
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009351 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009352 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009353
9354 DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
9355
9356 /* Clear MSG-OUT */
9357 bnx2x_cl45_read(bp, phy,
9358 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
9359
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009360 /* If a module is present and there is need to check
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009361 * for over current
9362 */
9363 if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
9364 /* Check over-current using 8727 GPIO0 input*/
9365 bnx2x_cl45_read(bp, phy,
9366 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
9367 &val1);
9368
9369 if ((val1 & (1<<8)) == 0) {
Yaniv Rosner27d02432011-05-31 21:27:48 +00009370 if (!CHIP_IS_E1x(bp))
9371 oc_port = BP_PATH(bp) + (params->port << 1);
Joe Perches94f05b02011-08-14 12:16:20 +00009372 DP(NETIF_MSG_LINK,
9373 "8727 Power fault has been detected on port %d\n",
9374 oc_port);
Yaniv Rosner2f751a82011-11-28 00:49:52 +00009375 netdev_err(bp->dev, "Error: Power fault on Port %d has "
9376 "been detected and the power to "
9377 "that SFP+ module has been removed "
9378 "to prevent failure of the card. "
9379 "Please remove the SFP+ module and "
9380 "restart the system to clear this "
9381 "error.\n",
Yaniv Rosner27d02432011-05-31 21:27:48 +00009382 oc_port);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009383 /* Disable all RX_ALARMs except for mod_abs */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009384 bnx2x_cl45_write(bp, phy,
9385 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009386 MDIO_PMA_LASI_RXCTRL, (1<<5));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009387
9388 bnx2x_cl45_read(bp, phy,
9389 MDIO_PMA_DEVAD,
9390 MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
9391 /* Wait for module_absent_event */
9392 val1 |= (1<<8);
9393 bnx2x_cl45_write(bp, phy,
9394 MDIO_PMA_DEVAD,
9395 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
9396 /* Clear RX alarm */
9397 bnx2x_cl45_read(bp, phy,
9398 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009399 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00009400 bnx2x_8727_power_module(params->bp, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009401 return 0;
9402 }
9403 } /* Over current check */
9404
9405 /* When module absent bit is set, check module */
9406 if (rx_alarm_status & (1<<5)) {
9407 bnx2x_8727_handle_mod_abs(phy, params);
9408 /* Enable all mod_abs and link detection bits */
9409 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009410 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009411 ((1<<5) | (1<<2)));
9412 }
Yaniv Rosner59a2e532012-04-04 01:28:59 +00009413
9414 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
9415 DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
9416 bnx2x_sfp_set_transmitter(params, phy, 1);
9417 } else {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009418 DP(NETIF_MSG_LINK, "Tx is disabled\n");
9419 return 0;
9420 }
9421
9422 bnx2x_cl45_read(bp, phy,
9423 MDIO_PMA_DEVAD,
9424 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
9425
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009426 /* Bits 0..2 --> speed detected,
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009427 * Bits 13..15--> link is down
9428 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009429 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
9430 link_up = 1;
9431 vars->line_speed = SPEED_10000;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009432 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
9433 params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009434 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
9435 link_up = 1;
9436 vars->line_speed = SPEED_1000;
9437 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
9438 params->port);
9439 } else {
9440 link_up = 0;
9441 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
9442 params->port);
9443 }
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00009444
9445 /* Capture 10G link fault. */
9446 if (vars->line_speed == SPEED_10000) {
9447 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009448 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00009449
9450 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009451 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00009452
9453 if (val1 & (1<<0)) {
9454 vars->fault_detected = 1;
9455 }
9456 }
9457
Yaniv Rosner791f18c2011-01-18 04:33:42 +00009458 if (link_up) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009459 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00009460 vars->duplex = DUPLEX_FULL;
9461 DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
9462 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009463
9464 if ((DUAL_MEDIA(params)) &&
9465 (phy->req_line_speed == SPEED_1000)) {
9466 bnx2x_cl45_read(bp, phy,
9467 MDIO_PMA_DEVAD,
9468 MDIO_PMA_REG_8727_PCS_GP, &val1);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009469 /* In case of dual-media board and 1G, power up the XAUI side,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009470 * otherwise power it down. For 10G it is done automatically
9471 */
9472 if (link_up)
9473 val1 &= ~(3<<10);
9474 else
9475 val1 |= (3<<10);
9476 bnx2x_cl45_write(bp, phy,
9477 MDIO_PMA_DEVAD,
9478 MDIO_PMA_REG_8727_PCS_GP, val1);
9479 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009480 return link_up;
9481}
9482
9483static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
9484 struct link_params *params)
9485{
9486 struct bnx2x *bp = params->bp;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009487
9488 /* Enable/Disable PHY transmitter output */
9489 bnx2x_set_disable_pmd_transmit(params, phy, 1);
9490
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009491 /* Disable Transmitter */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00009492 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009493 /* Clear LASI */
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009494 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009495
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009496}
9497
9498/******************************************************************/
9499/* BCM8481/BCM84823/BCM84833 PHY SECTION */
9500/******************************************************************/
9501static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009502 struct bnx2x *bp,
9503 u8 port)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009504{
Yaniv Rosner503976e2012-11-27 03:46:34 +00009505 u16 val, fw_ver2, cnt, i;
9506 static struct bnx2x_reg_set reg_set[] = {
9507 {MDIO_PMA_DEVAD, 0xA819, 0x0014},
9508 {MDIO_PMA_DEVAD, 0xA81A, 0xc200},
9509 {MDIO_PMA_DEVAD, 0xA81B, 0x0000},
9510 {MDIO_PMA_DEVAD, 0xA81C, 0x0300},
9511 {MDIO_PMA_DEVAD, 0xA817, 0x0009}
9512 };
9513 u16 fw_ver1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009514
Yaniv Rosner0f6bb032012-11-27 03:46:32 +00009515 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9516 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009517 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
Yaniv Rosner8267bbb02012-04-04 01:29:00 +00009518 bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009519 phy->ver_addr);
9520 } else {
9521 /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
9522 /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
Sasha Levinb5a05552012-12-20 09:11:24 +00009523 for (i = 0; i < ARRAY_SIZE(reg_set);
Yaniv Rosner503976e2012-11-27 03:46:34 +00009524 i++)
9525 bnx2x_cl45_write(bp, phy, reg_set[i].devad,
9526 reg_set[i].reg, reg_set[i].val);
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00009527
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009528 for (cnt = 0; cnt < 100; cnt++) {
9529 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9530 if (val & 1)
9531 break;
9532 udelay(5);
9533 }
9534 if (cnt == 100) {
9535 DP(NETIF_MSG_LINK, "Unable to read 848xx "
9536 "phy fw version(1)\n");
9537 bnx2x_save_spirom_version(bp, port, 0,
9538 phy->ver_addr);
9539 return;
9540 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009541
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009542
9543 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
9544 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
9545 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9546 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
9547 for (cnt = 0; cnt < 100; cnt++) {
9548 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9549 if (val & 1)
9550 break;
9551 udelay(5);
9552 }
9553 if (cnt == 100) {
9554 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
9555 "version(2)\n");
9556 bnx2x_save_spirom_version(bp, port, 0,
9557 phy->ver_addr);
9558 return;
9559 }
9560
9561 /* lower 16 bits of the register SPI_FW_STATUS */
9562 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
9563 /* upper 16 bits of register SPI_FW_STATUS */
9564 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
9565
9566 bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009567 phy->ver_addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009568 }
9569
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009570}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009571static void bnx2x_848xx_set_led(struct bnx2x *bp,
9572 struct bnx2x_phy *phy)
9573{
Yaniv Rosner503976e2012-11-27 03:46:34 +00009574 u16 val, offset, i;
9575 static struct bnx2x_reg_set reg_set[] = {
9576 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
9577 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
9578 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
9579 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
9580 {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
9581 MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
9582 {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
9583 };
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009584 /* PHYC_CTL_LED_CTL */
9585 bnx2x_cl45_read(bp, phy,
9586 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009587 MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009588 val &= 0xFE00;
9589 val |= 0x0092;
9590
9591 bnx2x_cl45_write(bp, phy,
9592 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009593 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009594
Sasha Levinb5a05552012-12-20 09:11:24 +00009595 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
Yaniv Rosner503976e2012-11-27 03:46:34 +00009596 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
9597 reg_set[i].val);
Yaniv Rosner521683d2011-11-28 00:49:48 +00009598
Yaniv Rosner0f6bb032012-11-27 03:46:32 +00009599 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9600 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
Yaniv Rosner521683d2011-11-28 00:49:48 +00009601 offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
9602 else
9603 offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
9604
Yaniv Rosner503976e2012-11-27 03:46:34 +00009605 /* stretch_en for LED3*/
9606 bnx2x_cl45_read_or_write(bp, phy,
9607 MDIO_PMA_DEVAD, offset,
9608 MDIO_PMA_REG_84823_LED3_STRETCH_EN);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009609}
9610
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00009611static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
9612 struct link_params *params,
9613 u32 action)
9614{
9615 struct bnx2x *bp = params->bp;
9616 switch (action) {
9617 case PHY_INIT:
Yaniv Rosner0f6bb032012-11-27 03:46:32 +00009618 if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
9619 (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00009620 /* Save spirom version */
9621 bnx2x_save_848xx_spirom_version(phy, bp, params->port);
9622 }
9623 /* This phy uses the NIG latch mechanism since link indication
9624 * arrives through its LED4 and not via its LASI signal, so we
9625 * get steady signal instead of clear on read
9626 */
9627 bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
9628 1 << NIG_LATCH_BC_ENABLE_MI_INT);
9629
9630 bnx2x_848xx_set_led(bp, phy);
9631 break;
9632 }
9633}
9634
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009635static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
9636 struct link_params *params,
9637 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009638{
9639 struct bnx2x *bp = params->bp;
Yaniv Rosner503976e2012-11-27 03:46:34 +00009640 u16 autoneg_val, an_1000_val, an_10_100_val;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009641
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00009642 bnx2x_848xx_specific_func(phy, params, PHY_INIT);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009643 bnx2x_cl45_write(bp, phy,
9644 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
9645
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009646 /* set 1000 speed advertisement */
9647 bnx2x_cl45_read(bp, phy,
9648 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9649 &an_1000_val);
9650
9651 bnx2x_ext_phy_set_pause(params, phy, vars);
9652 bnx2x_cl45_read(bp, phy,
9653 MDIO_AN_DEVAD,
9654 MDIO_AN_REG_8481_LEGACY_AN_ADV,
9655 &an_10_100_val);
9656 bnx2x_cl45_read(bp, phy,
9657 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9658 &autoneg_val);
9659 /* Disable forced speed */
9660 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9661 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
9662
9663 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9664 (phy->speed_cap_mask &
9665 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9666 (phy->req_line_speed == SPEED_1000)) {
9667 an_1000_val |= (1<<8);
9668 autoneg_val |= (1<<9 | 1<<12);
9669 if (phy->req_duplex == DUPLEX_FULL)
9670 an_1000_val |= (1<<9);
9671 DP(NETIF_MSG_LINK, "Advertising 1G\n");
9672 } else
9673 an_1000_val &= ~((1<<8) | (1<<9));
9674
9675 bnx2x_cl45_write(bp, phy,
9676 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9677 an_1000_val);
9678
Yaniv Rosner0520e632011-07-05 01:06:59 +00009679 /* set 100 speed advertisement */
Yaniv Rosner75318322012-01-17 02:33:27 +00009680 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009681 (phy->speed_cap_mask &
Yaniv Rosner0520e632011-07-05 01:06:59 +00009682 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
Yaniv Rosner75318322012-01-17 02:33:27 +00009683 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009684 an_10_100_val |= (1<<7);
9685 /* Enable autoneg and restart autoneg for legacy speeds */
9686 autoneg_val |= (1<<9 | 1<<12);
9687
9688 if (phy->req_duplex == DUPLEX_FULL)
9689 an_10_100_val |= (1<<8);
9690 DP(NETIF_MSG_LINK, "Advertising 100M\n");
9691 }
9692 /* set 10 speed advertisement */
9693 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
Yaniv Rosner0520e632011-07-05 01:06:59 +00009694 (phy->speed_cap_mask &
9695 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
9696 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
9697 (phy->supported &
9698 (SUPPORTED_10baseT_Half |
9699 SUPPORTED_10baseT_Full)))) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009700 an_10_100_val |= (1<<5);
9701 autoneg_val |= (1<<9 | 1<<12);
9702 if (phy->req_duplex == DUPLEX_FULL)
9703 an_10_100_val |= (1<<6);
9704 DP(NETIF_MSG_LINK, "Advertising 10M\n");
9705 }
9706
9707 /* Only 10/100 are allowed to work in FORCE mode */
Yaniv Rosner0520e632011-07-05 01:06:59 +00009708 if ((phy->req_line_speed == SPEED_100) &&
9709 (phy->supported &
9710 (SUPPORTED_100baseT_Half |
9711 SUPPORTED_100baseT_Full))) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009712 autoneg_val |= (1<<13);
9713 /* Enabled AUTO-MDIX when autoneg is disabled */
9714 bnx2x_cl45_write(bp, phy,
9715 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9716 (1<<15 | 1<<9 | 7<<0));
Yaniv Rosner521683d2011-11-28 00:49:48 +00009717 /* The PHY needs this set even for forced link. */
9718 an_10_100_val |= (1<<8) | (1<<7);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009719 DP(NETIF_MSG_LINK, "Setting 100M force\n");
9720 }
Yaniv Rosner0520e632011-07-05 01:06:59 +00009721 if ((phy->req_line_speed == SPEED_10) &&
9722 (phy->supported &
9723 (SUPPORTED_10baseT_Half |
9724 SUPPORTED_10baseT_Full))) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009725 /* Enabled AUTO-MDIX when autoneg is disabled */
9726 bnx2x_cl45_write(bp, phy,
9727 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9728 (1<<15 | 1<<9 | 7<<0));
9729 DP(NETIF_MSG_LINK, "Setting 10M force\n");
9730 }
9731
9732 bnx2x_cl45_write(bp, phy,
9733 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
9734 an_10_100_val);
9735
9736 if (phy->req_duplex == DUPLEX_FULL)
9737 autoneg_val |= (1<<8);
9738
Yaniv Rosner0f6bb032012-11-27 03:46:32 +00009739 /* Always write this if this is not 84833/4.
9740 * For 84833/4, write it only when it's a forced speed.
Yaniv Rosnerfd38f73e2011-08-02 22:59:53 +00009741 */
Yaniv Rosner0f6bb032012-11-27 03:46:32 +00009742 if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
9743 (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
Yaniv Rosner503976e2012-11-27 03:46:34 +00009744 ((autoneg_val & (1<<12)) == 0))
Yaniv Rosnerfd38f73e2011-08-02 22:59:53 +00009745 bnx2x_cl45_write(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009746 MDIO_AN_DEVAD,
9747 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
9748
9749 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9750 (phy->speed_cap_mask &
9751 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
9752 (phy->req_line_speed == SPEED_10000)) {
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00009753 DP(NETIF_MSG_LINK, "Advertising 10G\n");
9754 /* Restart autoneg for 10G*/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009755
Yaniv Rosner503976e2012-11-27 03:46:34 +00009756 bnx2x_cl45_read_or_write(
9757 bp, phy,
9758 MDIO_AN_DEVAD,
9759 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9760 0x1000);
Yaniv Rosner521683d2011-11-28 00:49:48 +00009761 bnx2x_cl45_write(bp, phy,
9762 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
9763 0x3200);
Yaniv Rosnerfd38f73e2011-08-02 22:59:53 +00009764 } else
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009765 bnx2x_cl45_write(bp, phy,
9766 MDIO_AN_DEVAD,
9767 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9768 1);
Yaniv Rosnerfd38f73e2011-08-02 22:59:53 +00009769
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009770 return 0;
9771}
9772
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009773static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
9774 struct link_params *params,
9775 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009776{
9777 struct bnx2x *bp = params->bp;
9778 /* Restore normal power mode*/
9779 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009780 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009781
9782 /* HW reset */
9783 bnx2x_ext_phy_hw_reset(bp, params->port);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00009784 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009785
9786 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9787 return bnx2x_848xx_cmn_config_init(phy, params, vars);
9788}
9789
Yaniv Rosner521683d2011-11-28 00:49:48 +00009790#define PHY84833_CMDHDLR_WAIT 300
9791#define PHY84833_CMDHDLR_MAX_ARGS 5
9792static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
Yaniv Rosner503976e2012-11-27 03:46:34 +00009793 struct link_params *params, u16 fw_cmd,
9794 u16 cmd_args[], int argc)
Yaniv Rosner521683d2011-11-28 00:49:48 +00009795{
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009796 int idx;
Yaniv Rosner521683d2011-11-28 00:49:48 +00009797 u16 val;
9798 struct bnx2x *bp = params->bp;
9799 /* Write CMD_OPEN_OVERRIDE to STATUS reg */
9800 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9801 MDIO_84833_CMD_HDLR_STATUS,
9802 PHY84833_STATUS_CMD_OPEN_OVERRIDE);
9803 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9804 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9805 MDIO_84833_CMD_HDLR_STATUS, &val);
9806 if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
9807 break;
Yaniv Rosner503976e2012-11-27 03:46:34 +00009808 usleep_range(1000, 2000);
Yaniv Rosner521683d2011-11-28 00:49:48 +00009809 }
9810 if (idx >= PHY84833_CMDHDLR_WAIT) {
9811 DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
9812 return -EINVAL;
9813 }
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009814
Yaniv Rosner521683d2011-11-28 00:49:48 +00009815 /* Prepare argument(s) and issue command */
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009816 for (idx = 0; idx < argc; idx++) {
Yaniv Rosner521683d2011-11-28 00:49:48 +00009817 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9818 MDIO_84833_CMD_HDLR_DATA1 + idx,
9819 cmd_args[idx]);
9820 }
9821 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9822 MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
9823 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9824 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9825 MDIO_84833_CMD_HDLR_STATUS, &val);
9826 if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
9827 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
9828 break;
Yaniv Rosner503976e2012-11-27 03:46:34 +00009829 usleep_range(1000, 2000);
Yaniv Rosner521683d2011-11-28 00:49:48 +00009830 }
9831 if ((idx >= PHY84833_CMDHDLR_WAIT) ||
9832 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
9833 DP(NETIF_MSG_LINK, "FW cmd failed.\n");
9834 return -EINVAL;
9835 }
9836 /* Gather returning data */
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009837 for (idx = 0; idx < argc; idx++) {
Yaniv Rosner521683d2011-11-28 00:49:48 +00009838 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9839 MDIO_84833_CMD_HDLR_DATA1 + idx,
9840 &cmd_args[idx]);
9841 }
9842 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9843 MDIO_84833_CMD_HDLR_STATUS,
9844 PHY84833_STATUS_CMD_CLEAR_COMPLETE);
9845 return 0;
9846}
9847
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009848static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
9849 struct link_params *params,
9850 struct link_vars *vars)
9851{
Yaniv Rosner0520e632011-07-05 01:06:59 +00009852 u32 pair_swap;
Yaniv Rosner521683d2011-11-28 00:49:48 +00009853 u16 data[PHY84833_CMDHDLR_MAX_ARGS];
9854 int status;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009855 struct bnx2x *bp = params->bp;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009856
Yaniv Rosner0520e632011-07-05 01:06:59 +00009857 /* Check for configuration. */
9858 pair_swap = REG_RD(bp, params->shmem_base +
9859 offsetof(struct shmem_region,
9860 dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
9861 PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
9862
9863 if (pair_swap == 0)
9864 return 0;
9865
Yaniv Rosner521683d2011-11-28 00:49:48 +00009866 /* Only the second argument is used for this command */
9867 data[1] = (u16)pair_swap;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009868
Yaniv Rosner521683d2011-11-28 00:49:48 +00009869 status = bnx2x_84833_cmd_hdlr(phy, params,
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009870 PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
Yaniv Rosner521683d2011-11-28 00:49:48 +00009871 if (status == 0)
9872 DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009873
Yaniv Rosner521683d2011-11-28 00:49:48 +00009874 return status;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009875}
9876
Yaniv Rosner985848f2011-07-05 01:06:48 +00009877static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
9878 u32 shmem_base_path[],
9879 u32 chip_id)
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009880{
9881 u32 reset_pin[2];
9882 u32 idx;
9883 u8 reset_gpios;
9884 if (CHIP_IS_E3(bp)) {
9885 /* Assume that these will be GPIOs, not EPIOs. */
9886 for (idx = 0; idx < 2; idx++) {
9887 /* Map config param to register bit. */
9888 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9889 offsetof(struct shmem_region,
9890 dev_info.port_hw_config[0].e3_cmn_pin_cfg));
9891 reset_pin[idx] = (reset_pin[idx] &
9892 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
9893 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
9894 reset_pin[idx] -= PIN_CFG_GPIO0_P0;
9895 reset_pin[idx] = (1 << reset_pin[idx]);
9896 }
9897 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9898 } else {
9899 /* E2, look from diff place of shmem. */
9900 for (idx = 0; idx < 2; idx++) {
9901 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9902 offsetof(struct shmem_region,
9903 dev_info.port_hw_config[0].default_cfg));
9904 reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
9905 reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
9906 reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
9907 reset_pin[idx] = (1 << reset_pin[idx]);
9908 }
9909 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9910 }
9911
Yaniv Rosner985848f2011-07-05 01:06:48 +00009912 return reset_gpios;
9913}
9914
9915static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
9916 struct link_params *params)
9917{
9918 struct bnx2x *bp = params->bp;
9919 u8 reset_gpios;
9920 u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
9921 offsetof(struct shmem2_region,
9922 other_shmem_base_addr));
9923
9924 u32 shmem_base_path[2];
Yaniv Rosner99bf7f32012-04-04 01:29:01 +00009925
9926 /* Work around for 84833 LED failure inside RESET status */
9927 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
9928 MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9929 MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
9930 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
9931 MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
9932 MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
9933
Yaniv Rosner985848f2011-07-05 01:06:48 +00009934 shmem_base_path[0] = params->shmem_base;
9935 shmem_base_path[1] = other_shmem_base_addr;
9936
9937 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
9938 params->chip_id);
9939
9940 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
9941 udelay(10);
9942 DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
9943 reset_gpios);
9944
9945 return 0;
9946}
9947
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009948static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
9949 struct link_params *params,
9950 struct link_vars *vars)
9951{
9952 int rc;
9953 struct bnx2x *bp = params->bp;
9954 u16 cmd_args = 0;
9955
9956 DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
9957
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009958 /* Prevent Phy from working in EEE and advertising it */
9959 rc = bnx2x_84833_cmd_hdlr(phy, params,
9960 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
Yuval Mintzd2310232012-06-20 19:05:19 +00009961 if (rc) {
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009962 DP(NETIF_MSG_LINK, "EEE disable failed.\n");
9963 return rc;
9964 }
9965
Yuval Mintzec4010e2012-09-10 05:51:06 +00009966 return bnx2x_eee_disable(phy, params, vars);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009967}
9968
9969static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
9970 struct link_params *params,
9971 struct link_vars *vars)
9972{
9973 int rc;
9974 struct bnx2x *bp = params->bp;
9975 u16 cmd_args = 1;
9976
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009977 rc = bnx2x_84833_cmd_hdlr(phy, params,
9978 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
Yuval Mintzd2310232012-06-20 19:05:19 +00009979 if (rc) {
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009980 DP(NETIF_MSG_LINK, "EEE enable failed.\n");
9981 return rc;
9982 }
9983
Yuval Mintzec4010e2012-09-10 05:51:06 +00009984 return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009985}
9986
Yaniv Rosnera89a1d42011-07-05 01:07:05 +00009987#define PHY84833_CONSTANT_LATENCY 1193
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009988static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
9989 struct link_params *params,
9990 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009991{
9992 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00009993 u8 port, initialize = 1;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009994 u16 val;
Yaniv Rosner503976e2012-11-27 03:46:34 +00009995 u32 actual_phy_selection;
Yaniv Rosner521683d2011-11-28 00:49:48 +00009996 u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009997 int rc = 0;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009998
Yaniv Rosner503976e2012-11-27 03:46:34 +00009999 usleep_range(1000, 2000);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010000
Yuval Mintz54813882012-06-16 20:27:15 +000010001 if (!(CHIP_IS_E1x(bp)))
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +000010002 port = BP_PATH(bp);
10003 else
10004 port = params->port;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010005
10006 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10007 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10008 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
10009 port);
10010 } else {
Yaniv Rosner985848f2011-07-05 01:06:48 +000010011 /* MDIO reset */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010012 bnx2x_cl45_write(bp, phy,
10013 MDIO_PMA_DEVAD,
10014 MDIO_PMA_REG_CTRL, 0x8000);
Yaniv Rosner521683d2011-11-28 00:49:48 +000010015 }
10016
10017 bnx2x_wait_reset_complete(bp, phy, params);
10018
10019 /* Wait for GPHY to come out of reset */
10020 msleep(50);
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000010021 if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
10022 (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010023 /* BCM84823 requires that XGXS links up first @ 10G for normal
Yaniv Rosner521683d2011-11-28 00:49:48 +000010024 * behavior.
10025 */
10026 u16 temp;
10027 temp = vars->line_speed;
10028 vars->line_speed = SPEED_10000;
10029 bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
10030 bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
10031 vars->line_speed = temp;
10032 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010033
10034 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010035 MDIO_CTL_REG_84823_MEDIA, &val);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010036 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10037 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
10038 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
10039 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
10040 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010041
10042 if (CHIP_IS_E3(bp)) {
10043 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10044 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
10045 } else {
10046 val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
10047 MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
10048 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010049
10050 actual_phy_selection = bnx2x_phy_selection(params);
10051
10052 switch (actual_phy_selection) {
10053 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
Lucas De Marchi25985ed2011-03-30 22:57:33 -030010054 /* Do nothing. Essentially this is like the priority copper */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010055 break;
10056 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
10057 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
10058 break;
10059 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
10060 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
10061 break;
10062 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
10063 /* Do nothing here. The first PHY won't be initialized at all */
10064 break;
10065 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
10066 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
10067 initialize = 0;
10068 break;
10069 }
10070 if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
10071 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
10072
10073 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010074 MDIO_CTL_REG_84823_MEDIA, val);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010075 DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
10076 params->multi_phy_config, val);
10077
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000010078 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10079 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010080 bnx2x_84833_pair_swap_cfg(phy, params, vars);
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010081
Yaniv Rosner096b9522012-01-17 02:33:28 +000010082 /* Keep AutogrEEEn disabled. */
10083 cmd_args[0] = 0x0;
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010084 cmd_args[1] = 0x0;
10085 cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
10086 cmd_args[3] = PHY84833_CONSTANT_LATENCY;
10087 rc = bnx2x_84833_cmd_hdlr(phy, params,
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010088 PHY84833_CMD_SET_EEE_MODE, cmd_args,
10089 PHY84833_CMDHDLR_MAX_ARGS);
Yuval Mintzd2310232012-06-20 19:05:19 +000010090 if (rc)
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010091 DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
10092 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010093 if (initialize)
10094 rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
10095 else
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010096 bnx2x_save_848xx_spirom_version(phy, bp, params->port);
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010097 /* 84833 PHY has a better feature and doesn't need to support this. */
10098 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
Yaniv Rosner503976e2012-11-27 03:46:34 +000010099 u32 cms_enable = REG_RD(bp, params->shmem_base +
Yaniv Rosner1bef68e2011-01-31 04:22:46 +000010100 offsetof(struct shmem_region,
10101 dev_info.port_hw_config[params->port].default_cfg)) &
10102 PORT_HW_CFG_ENABLE_CMS_MASK;
10103
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010104 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10105 MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
10106 if (cms_enable)
10107 val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
10108 else
10109 val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
10110 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10111 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
10112 }
Yaniv Rosner1bef68e2011-01-31 04:22:46 +000010113
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010114 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10115 MDIO_84833_TOP_CFG_FW_REV, &val);
10116
10117 /* Configure EEE support */
Yuval Mintzf6b6eb62012-09-10 05:51:07 +000010118 if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
10119 (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
10120 bnx2x_eee_has_cap(params)) {
Yuval Mintzec4010e2012-09-10 05:51:06 +000010121 rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
Yuval Mintzd2310232012-06-20 19:05:19 +000010122 if (rc) {
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010123 DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10124 bnx2x_8483x_disable_eee(phy, params, vars);
10125 return rc;
10126 }
10127
Yaniv Rosnerfd5dfca2012-11-27 03:46:36 +000010128 if ((phy->req_duplex == DUPLEX_FULL) &&
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010129 (params->eee_mode & EEE_MODE_ADV_LPI) &&
10130 (bnx2x_eee_calc_timer(params) ||
10131 !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
10132 rc = bnx2x_8483x_enable_eee(phy, params, vars);
10133 else
10134 rc = bnx2x_8483x_disable_eee(phy, params, vars);
Yuval Mintzd2310232012-06-20 19:05:19 +000010135 if (rc) {
Masanari Iidaefc7ce02012-11-02 04:36:17 +000010136 DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010137 return rc;
10138 }
10139 } else {
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010140 vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
10141 }
10142
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000010143 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10144 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010145 /* Bring PHY out of super isolate mode as the final step. */
Yaniv Rosner503976e2012-11-27 03:46:34 +000010146 bnx2x_cl45_read_and_write(bp, phy,
10147 MDIO_CTL_DEVAD,
10148 MDIO_84833_TOP_CFG_XGPHY_STRAP1,
10149 (u16)~MDIO_84833_SUPER_ISOLATE);
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010150 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010151 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010152}
10153
10154static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010155 struct link_params *params,
10156 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010157{
10158 struct bnx2x *bp = params->bp;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010159 u16 val, val1, val2;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010160 u8 link_up = 0;
10161
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000010162
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010163 /* Check 10G-BaseT link status */
10164 /* Check PMD signal ok */
10165 bnx2x_cl45_read(bp, phy,
10166 MDIO_AN_DEVAD, 0xFFFA, &val1);
10167 bnx2x_cl45_read(bp, phy,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010168 MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010169 &val2);
10170 DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
10171
10172 /* Check link 10G */
10173 if (val2 & (1<<11)) {
10174 vars->line_speed = SPEED_10000;
Yaniv Rosner791f18c2011-01-18 04:33:42 +000010175 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010176 link_up = 1;
10177 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
10178 } else { /* Check Legacy speed link */
10179 u16 legacy_status, legacy_speed;
10180
10181 /* Enable expansion register 0x42 (Operation mode status) */
10182 bnx2x_cl45_write(bp, phy,
10183 MDIO_AN_DEVAD,
10184 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
10185
10186 /* Get legacy speed operation status */
10187 bnx2x_cl45_read(bp, phy,
10188 MDIO_AN_DEVAD,
10189 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
10190 &legacy_status);
10191
Joe Perches94f05b02011-08-14 12:16:20 +000010192 DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
10193 legacy_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010194 link_up = ((legacy_status & (1<<11)) == (1<<11));
Yuval Mintz14400902012-06-20 19:05:20 +000010195 legacy_speed = (legacy_status & (3<<9));
10196 if (legacy_speed == (0<<9))
10197 vars->line_speed = SPEED_10;
10198 else if (legacy_speed == (1<<9))
10199 vars->line_speed = SPEED_100;
10200 else if (legacy_speed == (2<<9))
10201 vars->line_speed = SPEED_1000;
10202 else { /* Should not happen: Treat as link down */
10203 vars->line_speed = 0;
10204 link_up = 0;
10205 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010206
Yuval Mintz14400902012-06-20 19:05:20 +000010207 if (link_up) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010208 if (legacy_status & (1<<8))
10209 vars->duplex = DUPLEX_FULL;
10210 else
10211 vars->duplex = DUPLEX_HALF;
10212
Joe Perches94f05b02011-08-14 12:16:20 +000010213 DP(NETIF_MSG_LINK,
10214 "Link is up in %dMbps, is_duplex_full= %d\n",
10215 vars->line_speed,
10216 (vars->duplex == DUPLEX_FULL));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010217 /* Check legacy speed AN resolution */
10218 bnx2x_cl45_read(bp, phy,
10219 MDIO_AN_DEVAD,
10220 MDIO_AN_REG_8481_LEGACY_MII_STATUS,
10221 &val);
10222 if (val & (1<<5))
10223 vars->link_status |=
10224 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10225 bnx2x_cl45_read(bp, phy,
10226 MDIO_AN_DEVAD,
10227 MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
10228 &val);
10229 if ((val & (1<<0)) == 0)
10230 vars->link_status |=
10231 LINK_STATUS_PARALLEL_DETECTION_USED;
10232 }
10233 }
10234 if (link_up) {
Yuval Mintzd2310232012-06-20 19:05:19 +000010235 DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010236 vars->line_speed);
10237 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Mintz Yuval9e7e8392012-02-15 02:10:24 +000010238
10239 /* Read LP advertised speeds */
10240 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10241 MDIO_AN_REG_CL37_FC_LP, &val);
10242 if (val & (1<<5))
10243 vars->link_status |=
10244 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10245 if (val & (1<<6))
10246 vars->link_status |=
10247 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10248 if (val & (1<<7))
10249 vars->link_status |=
10250 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10251 if (val & (1<<8))
10252 vars->link_status |=
10253 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10254 if (val & (1<<9))
10255 vars->link_status |=
10256 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10257
10258 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10259 MDIO_AN_REG_1000T_STATUS, &val);
10260
10261 if (val & (1<<10))
10262 vars->link_status |=
10263 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10264 if (val & (1<<11))
10265 vars->link_status |=
10266 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10267
10268 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10269 MDIO_AN_REG_MASTER_STATUS, &val);
10270
10271 if (val & (1<<11))
10272 vars->link_status |=
10273 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010274
10275 /* Determine if EEE was negotiated */
Yuval Mintzec4010e2012-09-10 05:51:06 +000010276 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
10277 bnx2x_eee_an_resolve(phy, params, vars);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010278 }
10279
10280 return link_up;
10281}
10282
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010283static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010284{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010285 int status = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010286 u32 spirom_ver;
10287 spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
10288 status = bnx2x_format_ver(spirom_ver, str, len);
10289 return status;
10290}
10291
10292static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
10293 struct link_params *params)
10294{
10295 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010296 MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010297 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010298 MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010299}
10300
10301static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
10302 struct link_params *params)
10303{
10304 bnx2x_cl45_write(params->bp, phy,
10305 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
10306 bnx2x_cl45_write(params->bp, phy,
10307 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
10308}
10309
10310static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
10311 struct link_params *params)
10312{
10313 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +000010314 u8 port;
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010315 u16 val16;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010316
Yaniv Rosnerf93fb012012-04-04 01:29:02 +000010317 if (!(CHIP_IS_E1x(bp)))
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +000010318 port = BP_PATH(bp);
10319 else
10320 port = params->port;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010321
10322 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10323 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10324 MISC_REGISTERS_GPIO_OUTPUT_LOW,
10325 port);
10326 } else {
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010327 bnx2x_cl45_read(bp, phy,
10328 MDIO_CTL_DEVAD,
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010329 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
10330 val16 |= MDIO_84833_SUPER_ISOLATE;
Yaniv Rosnerfd38f73e2011-08-02 22:59:53 +000010331 bnx2x_cl45_write(bp, phy,
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010332 MDIO_CTL_DEVAD,
10333 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010334 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010335}
10336
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010337static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
10338 struct link_params *params, u8 mode)
10339{
10340 struct bnx2x *bp = params->bp;
10341 u16 val;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010342 u8 port;
10343
Yaniv Rosnerf93fb012012-04-04 01:29:02 +000010344 if (!(CHIP_IS_E1x(bp)))
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010345 port = BP_PATH(bp);
10346 else
10347 port = params->port;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010348
10349 switch (mode) {
10350 case LED_MODE_OFF:
10351
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010352 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010353
10354 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10355 SHARED_HW_CFG_LED_EXTPHY1) {
10356
10357 /* Set LED masks */
10358 bnx2x_cl45_write(bp, phy,
10359 MDIO_PMA_DEVAD,
10360 MDIO_PMA_REG_8481_LED1_MASK,
10361 0x0);
10362
10363 bnx2x_cl45_write(bp, phy,
10364 MDIO_PMA_DEVAD,
10365 MDIO_PMA_REG_8481_LED2_MASK,
10366 0x0);
10367
10368 bnx2x_cl45_write(bp, phy,
10369 MDIO_PMA_DEVAD,
10370 MDIO_PMA_REG_8481_LED3_MASK,
10371 0x0);
10372
10373 bnx2x_cl45_write(bp, phy,
10374 MDIO_PMA_DEVAD,
10375 MDIO_PMA_REG_8481_LED5_MASK,
10376 0x0);
10377
10378 } else {
10379 bnx2x_cl45_write(bp, phy,
10380 MDIO_PMA_DEVAD,
10381 MDIO_PMA_REG_8481_LED1_MASK,
10382 0x0);
10383 }
10384 break;
10385 case LED_MODE_FRONT_PANEL_OFF:
10386
10387 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010388 port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010389
10390 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10391 SHARED_HW_CFG_LED_EXTPHY1) {
10392
10393 /* Set LED masks */
10394 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010395 MDIO_PMA_DEVAD,
10396 MDIO_PMA_REG_8481_LED1_MASK,
10397 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010398
10399 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010400 MDIO_PMA_DEVAD,
10401 MDIO_PMA_REG_8481_LED2_MASK,
10402 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010403
10404 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010405 MDIO_PMA_DEVAD,
10406 MDIO_PMA_REG_8481_LED3_MASK,
10407 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010408
10409 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010410 MDIO_PMA_DEVAD,
10411 MDIO_PMA_REG_8481_LED5_MASK,
10412 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010413
10414 } else {
10415 bnx2x_cl45_write(bp, phy,
10416 MDIO_PMA_DEVAD,
10417 MDIO_PMA_REG_8481_LED1_MASK,
10418 0x0);
10419 }
10420 break;
10421 case LED_MODE_ON:
10422
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010423 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010424
10425 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10426 SHARED_HW_CFG_LED_EXTPHY1) {
10427 /* Set control reg */
10428 bnx2x_cl45_read(bp, phy,
10429 MDIO_PMA_DEVAD,
10430 MDIO_PMA_REG_8481_LINK_SIGNAL,
10431 &val);
10432 val &= 0x8000;
10433 val |= 0x2492;
10434
10435 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010436 MDIO_PMA_DEVAD,
10437 MDIO_PMA_REG_8481_LINK_SIGNAL,
10438 val);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010439
10440 /* Set LED masks */
10441 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010442 MDIO_PMA_DEVAD,
10443 MDIO_PMA_REG_8481_LED1_MASK,
10444 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010445
10446 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010447 MDIO_PMA_DEVAD,
10448 MDIO_PMA_REG_8481_LED2_MASK,
10449 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010450
10451 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010452 MDIO_PMA_DEVAD,
10453 MDIO_PMA_REG_8481_LED3_MASK,
10454 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010455
10456 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010457 MDIO_PMA_DEVAD,
10458 MDIO_PMA_REG_8481_LED5_MASK,
10459 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010460 } else {
10461 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010462 MDIO_PMA_DEVAD,
10463 MDIO_PMA_REG_8481_LED1_MASK,
10464 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010465 }
10466 break;
10467
10468 case LED_MODE_OPER:
10469
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010470 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010471
10472 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10473 SHARED_HW_CFG_LED_EXTPHY1) {
10474
10475 /* Set control reg */
10476 bnx2x_cl45_read(bp, phy,
10477 MDIO_PMA_DEVAD,
10478 MDIO_PMA_REG_8481_LINK_SIGNAL,
10479 &val);
10480
10481 if (!((val &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010482 MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
10483 >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000010484 DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010485 bnx2x_cl45_write(bp, phy,
10486 MDIO_PMA_DEVAD,
10487 MDIO_PMA_REG_8481_LINK_SIGNAL,
10488 0xa492);
10489 }
10490
10491 /* Set LED masks */
10492 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010493 MDIO_PMA_DEVAD,
10494 MDIO_PMA_REG_8481_LED1_MASK,
10495 0x10);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010496
10497 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010498 MDIO_PMA_DEVAD,
10499 MDIO_PMA_REG_8481_LED2_MASK,
10500 0x80);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010501
10502 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010503 MDIO_PMA_DEVAD,
10504 MDIO_PMA_REG_8481_LED3_MASK,
10505 0x98);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010506
10507 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010508 MDIO_PMA_DEVAD,
10509 MDIO_PMA_REG_8481_LED5_MASK,
10510 0x40);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010511
10512 } else {
10513 bnx2x_cl45_write(bp, phy,
10514 MDIO_PMA_DEVAD,
10515 MDIO_PMA_REG_8481_LED1_MASK,
10516 0x80);
Yaniv Rosner53eda062011-01-30 04:14:55 +000010517
10518 /* Tell LED3 to blink on source */
10519 bnx2x_cl45_read(bp, phy,
10520 MDIO_PMA_DEVAD,
10521 MDIO_PMA_REG_8481_LINK_SIGNAL,
10522 &val);
10523 val &= ~(7<<6);
10524 val |= (1<<6); /* A83B[8:6]= 1 */
10525 bnx2x_cl45_write(bp, phy,
10526 MDIO_PMA_DEVAD,
10527 MDIO_PMA_REG_8481_LINK_SIGNAL,
10528 val);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010529 }
10530 break;
10531 }
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010532
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010533 /* This is a workaround for E3+84833 until autoneg
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010534 * restart is fixed in f/w
10535 */
10536 if (CHIP_IS_E3(bp)) {
10537 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
10538 MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
10539 }
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010540}
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010541
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010542/******************************************************************/
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010543/* 54618SE PHY SECTION */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010544/******************************************************************/
Yaniv Rosner5c107fd2012-09-13 02:56:19 +000010545static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
10546 struct link_params *params,
10547 u32 action)
10548{
10549 struct bnx2x *bp = params->bp;
10550 u16 temp;
10551 switch (action) {
10552 case PHY_INIT:
10553 /* Configure LED4: set to INTR (0x6). */
10554 /* Accessing shadow register 0xe. */
10555 bnx2x_cl22_write(bp, phy,
10556 MDIO_REG_GPHY_SHADOW,
10557 MDIO_REG_GPHY_SHADOW_LED_SEL2);
10558 bnx2x_cl22_read(bp, phy,
10559 MDIO_REG_GPHY_SHADOW,
10560 &temp);
10561 temp &= ~(0xf << 4);
10562 temp |= (0x6 << 4);
10563 bnx2x_cl22_write(bp, phy,
10564 MDIO_REG_GPHY_SHADOW,
10565 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10566 /* Configure INTR based on link status change. */
10567 bnx2x_cl22_write(bp, phy,
10568 MDIO_REG_INTR_MASK,
10569 ~MDIO_REG_INTR_MASK_LINK_STATUS);
10570 break;
10571 }
10572}
10573
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010574static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
Yaniv Rosner6583e332011-06-14 01:34:17 +000010575 struct link_params *params,
10576 struct link_vars *vars)
10577{
10578 struct bnx2x *bp = params->bp;
10579 u8 port;
10580 u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
10581 u32 cfg_pin;
10582
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010583 DP(NETIF_MSG_LINK, "54618SE cfg init\n");
Yuval Mintzd2310232012-06-20 19:05:19 +000010584 usleep_range(1000, 2000);
Yaniv Rosner6583e332011-06-14 01:34:17 +000010585
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010586 /* This works with E3 only, no need to check the chip
Yaniv Rosner2f751a82011-11-28 00:49:52 +000010587 * before determining the port.
10588 */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010589 port = params->port;
10590
10591 cfg_pin = (REG_RD(bp, params->shmem_base +
10592 offsetof(struct shmem_region,
10593 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10594 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10595 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10596
10597 /* Drive pin high to bring the GPHY out of reset. */
10598 bnx2x_set_cfg_pin(bp, cfg_pin, 1);
10599
10600 /* wait for GPHY to reset */
10601 msleep(50);
10602
10603 /* reset phy */
10604 bnx2x_cl22_write(bp, phy,
10605 MDIO_PMA_REG_CTRL, 0x8000);
10606 bnx2x_wait_reset_complete(bp, phy, params);
10607
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010608 /* Wait for GPHY to reset */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010609 msleep(50);
10610
Yaniv Rosner6583e332011-06-14 01:34:17 +000010611
Yaniv Rosner5c107fd2012-09-13 02:56:19 +000010612 bnx2x_54618se_specific_func(phy, params, PHY_INIT);
Yaniv Rosner6583e332011-06-14 01:34:17 +000010613 /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
10614 bnx2x_cl22_write(bp, phy,
10615 MDIO_REG_GPHY_SHADOW,
10616 MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
10617 bnx2x_cl22_read(bp, phy,
10618 MDIO_REG_GPHY_SHADOW,
10619 &temp);
10620 temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
10621 bnx2x_cl22_write(bp, phy,
10622 MDIO_REG_GPHY_SHADOW,
10623 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10624
10625 /* Set up fc */
10626 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
10627 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
10628 fc_val = 0;
10629 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
10630 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
10631 fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
10632
10633 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
10634 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
10635 fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
10636
Yuval Mintzd2310232012-06-20 19:05:19 +000010637 /* Read all advertisement */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010638 bnx2x_cl22_read(bp, phy,
10639 0x09,
10640 &an_1000_val);
10641
10642 bnx2x_cl22_read(bp, phy,
10643 0x04,
10644 &an_10_100_val);
10645
10646 bnx2x_cl22_read(bp, phy,
10647 MDIO_PMA_REG_CTRL,
10648 &autoneg_val);
10649
10650 /* Disable forced speed */
10651 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
10652 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
10653 (1<<11));
10654
10655 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10656 (phy->speed_cap_mask &
10657 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
10658 (phy->req_line_speed == SPEED_1000)) {
10659 an_1000_val |= (1<<8);
10660 autoneg_val |= (1<<9 | 1<<12);
10661 if (phy->req_duplex == DUPLEX_FULL)
10662 an_1000_val |= (1<<9);
10663 DP(NETIF_MSG_LINK, "Advertising 1G\n");
10664 } else
10665 an_1000_val &= ~((1<<8) | (1<<9));
10666
10667 bnx2x_cl22_write(bp, phy,
10668 0x09,
10669 an_1000_val);
10670 bnx2x_cl22_read(bp, phy,
10671 0x09,
10672 &an_1000_val);
10673
Yuval Mintzd2310232012-06-20 19:05:19 +000010674 /* Set 100 speed advertisement */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010675 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10676 (phy->speed_cap_mask &
10677 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
10678 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
10679 an_10_100_val |= (1<<7);
10680 /* Enable autoneg and restart autoneg for legacy speeds */
10681 autoneg_val |= (1<<9 | 1<<12);
10682
10683 if (phy->req_duplex == DUPLEX_FULL)
10684 an_10_100_val |= (1<<8);
10685 DP(NETIF_MSG_LINK, "Advertising 100M\n");
10686 }
10687
Yuval Mintzd2310232012-06-20 19:05:19 +000010688 /* Set 10 speed advertisement */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010689 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10690 (phy->speed_cap_mask &
10691 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
10692 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
10693 an_10_100_val |= (1<<5);
10694 autoneg_val |= (1<<9 | 1<<12);
10695 if (phy->req_duplex == DUPLEX_FULL)
10696 an_10_100_val |= (1<<6);
10697 DP(NETIF_MSG_LINK, "Advertising 10M\n");
10698 }
10699
10700 /* Only 10/100 are allowed to work in FORCE mode */
10701 if (phy->req_line_speed == SPEED_100) {
10702 autoneg_val |= (1<<13);
10703 /* Enabled AUTO-MDIX when autoneg is disabled */
10704 bnx2x_cl22_write(bp, phy,
10705 0x18,
10706 (1<<15 | 1<<9 | 7<<0));
10707 DP(NETIF_MSG_LINK, "Setting 100M force\n");
10708 }
10709 if (phy->req_line_speed == SPEED_10) {
10710 /* Enabled AUTO-MDIX when autoneg is disabled */
10711 bnx2x_cl22_write(bp, phy,
10712 0x18,
10713 (1<<15 | 1<<9 | 7<<0));
10714 DP(NETIF_MSG_LINK, "Setting 10M force\n");
10715 }
10716
Yuval Mintz26964bb2012-09-10 05:51:08 +000010717 if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
10718 int rc;
10719
10720 bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
10721 MDIO_REG_GPHY_EXP_ACCESS_TOP |
10722 MDIO_REG_GPHY_EXP_TOP_2K_BUF);
10723 bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
10724 temp &= 0xfffe;
10725 bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
10726
10727 rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
10728 if (rc) {
10729 DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10730 bnx2x_eee_disable(phy, params, vars);
10731 } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
10732 (phy->req_duplex == DUPLEX_FULL) &&
10733 (bnx2x_eee_calc_timer(params) ||
10734 !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
10735 /* Need to advertise EEE only when requested,
10736 * and either no LPI assertion was requested,
10737 * or it was requested and a valid timer was set.
10738 * Also notice full duplex is required for EEE.
10739 */
10740 bnx2x_eee_advertise(phy, params, vars,
10741 SHMEM_EEE_1G_ADV);
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010742 } else {
Yuval Mintz26964bb2012-09-10 05:51:08 +000010743 DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
10744 bnx2x_eee_disable(phy, params, vars);
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010745 }
Yuval Mintz26964bb2012-09-10 05:51:08 +000010746 } else {
10747 vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
10748 SHMEM_EEE_SUPPORTED_SHIFT;
10749
10750 if (phy->flags & FLAGS_EEE) {
10751 /* Handle legacy auto-grEEEn */
10752 if (params->feature_config_flags &
10753 FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
10754 temp = 6;
10755 DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
10756 } else {
10757 temp = 0;
10758 DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
10759 }
10760 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10761 MDIO_AN_REG_EEE_ADV, temp);
10762 }
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010763 }
10764
Yaniv Rosner6583e332011-06-14 01:34:17 +000010765 bnx2x_cl22_write(bp, phy,
10766 0x04,
10767 an_10_100_val | fc_val);
10768
10769 if (phy->req_duplex == DUPLEX_FULL)
10770 autoneg_val |= (1<<8);
10771
10772 bnx2x_cl22_write(bp, phy,
10773 MDIO_PMA_REG_CTRL, autoneg_val);
10774
10775 return 0;
10776}
10777
Yaniv Rosner1d125bd2011-11-23 03:54:08 +000010778
10779static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
10780 struct link_params *params, u8 mode)
10781{
10782 struct bnx2x *bp = params->bp;
10783 u16 temp;
10784
10785 bnx2x_cl22_write(bp, phy,
10786 MDIO_REG_GPHY_SHADOW,
10787 MDIO_REG_GPHY_SHADOW_LED_SEL1);
10788 bnx2x_cl22_read(bp, phy,
10789 MDIO_REG_GPHY_SHADOW,
10790 &temp);
10791 temp &= 0xff00;
10792
10793 DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
10794 switch (mode) {
10795 case LED_MODE_FRONT_PANEL_OFF:
10796 case LED_MODE_OFF:
10797 temp |= 0x00ee;
10798 break;
10799 case LED_MODE_OPER:
10800 temp |= 0x0001;
10801 break;
10802 case LED_MODE_ON:
10803 temp |= 0x00ff;
10804 break;
10805 default:
10806 break;
10807 }
10808 bnx2x_cl22_write(bp, phy,
10809 MDIO_REG_GPHY_SHADOW,
10810 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10811 return;
10812}
10813
10814
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010815static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
10816 struct link_params *params)
Yaniv Rosner6583e332011-06-14 01:34:17 +000010817{
10818 struct bnx2x *bp = params->bp;
10819 u32 cfg_pin;
10820 u8 port;
10821
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010822 /* In case of no EPIO routed to reset the GPHY, put it
Yaniv Rosnerd2059a02011-08-02 23:00:00 +000010823 * in low power mode.
10824 */
10825 bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010826 /* This works with E3 only, no need to check the chip
Yaniv Rosnerd2059a02011-08-02 23:00:00 +000010827 * before determining the port.
10828 */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010829 port = params->port;
10830 cfg_pin = (REG_RD(bp, params->shmem_base +
10831 offsetof(struct shmem_region,
10832 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10833 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10834 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10835
10836 /* Drive pin low to put GPHY in reset. */
10837 bnx2x_set_cfg_pin(bp, cfg_pin, 0);
10838}
10839
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010840static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
10841 struct link_params *params,
10842 struct link_vars *vars)
Yaniv Rosner6583e332011-06-14 01:34:17 +000010843{
10844 struct bnx2x *bp = params->bp;
10845 u16 val;
10846 u8 link_up = 0;
10847 u16 legacy_status, legacy_speed;
10848
10849 /* Get speed operation status */
10850 bnx2x_cl22_read(bp, phy,
Yuval Mintza351d492012-06-20 19:05:21 +000010851 MDIO_REG_GPHY_AUX_STATUS,
Yaniv Rosner6583e332011-06-14 01:34:17 +000010852 &legacy_status);
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010853 DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
Yaniv Rosner6583e332011-06-14 01:34:17 +000010854
10855 /* Read status to clear the PHY interrupt. */
10856 bnx2x_cl22_read(bp, phy,
10857 MDIO_REG_INTR_STATUS,
10858 &val);
10859
10860 link_up = ((legacy_status & (1<<2)) == (1<<2));
10861
10862 if (link_up) {
10863 legacy_speed = (legacy_status & (7<<8));
10864 if (legacy_speed == (7<<8)) {
10865 vars->line_speed = SPEED_1000;
10866 vars->duplex = DUPLEX_FULL;
10867 } else if (legacy_speed == (6<<8)) {
10868 vars->line_speed = SPEED_1000;
10869 vars->duplex = DUPLEX_HALF;
10870 } else if (legacy_speed == (5<<8)) {
10871 vars->line_speed = SPEED_100;
10872 vars->duplex = DUPLEX_FULL;
10873 }
10874 /* Omitting 100Base-T4 for now */
10875 else if (legacy_speed == (3<<8)) {
10876 vars->line_speed = SPEED_100;
10877 vars->duplex = DUPLEX_HALF;
10878 } else if (legacy_speed == (2<<8)) {
10879 vars->line_speed = SPEED_10;
10880 vars->duplex = DUPLEX_FULL;
10881 } else if (legacy_speed == (1<<8)) {
10882 vars->line_speed = SPEED_10;
10883 vars->duplex = DUPLEX_HALF;
10884 } else /* Should not happen */
10885 vars->line_speed = 0;
10886
Joe Perches94f05b02011-08-14 12:16:20 +000010887 DP(NETIF_MSG_LINK,
10888 "Link is up in %dMbps, is_duplex_full= %d\n",
10889 vars->line_speed,
10890 (vars->duplex == DUPLEX_FULL));
Yaniv Rosner6583e332011-06-14 01:34:17 +000010891
10892 /* Check legacy speed AN resolution */
10893 bnx2x_cl22_read(bp, phy,
10894 0x01,
10895 &val);
10896 if (val & (1<<5))
10897 vars->link_status |=
10898 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10899 bnx2x_cl22_read(bp, phy,
10900 0x06,
10901 &val);
10902 if ((val & (1<<0)) == 0)
10903 vars->link_status |=
10904 LINK_STATUS_PARALLEL_DETECTION_USED;
10905
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010906 DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
Yaniv Rosner6583e332011-06-14 01:34:17 +000010907 vars->line_speed);
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010908
Yaniv Rosner6583e332011-06-14 01:34:17 +000010909 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Mintz Yuval9e7e8392012-02-15 02:10:24 +000010910
10911 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010912 /* Report LP advertised speeds */
Mintz Yuval9e7e8392012-02-15 02:10:24 +000010913 bnx2x_cl22_read(bp, phy, 0x5, &val);
10914
10915 if (val & (1<<5))
10916 vars->link_status |=
10917 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10918 if (val & (1<<6))
10919 vars->link_status |=
10920 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10921 if (val & (1<<7))
10922 vars->link_status |=
10923 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10924 if (val & (1<<8))
10925 vars->link_status |=
10926 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10927 if (val & (1<<9))
10928 vars->link_status |=
10929 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10930
10931 bnx2x_cl22_read(bp, phy, 0xa, &val);
10932 if (val & (1<<10))
10933 vars->link_status |=
10934 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10935 if (val & (1<<11))
10936 vars->link_status |=
10937 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
Yuval Mintz26964bb2012-09-10 05:51:08 +000010938
10939 if ((phy->flags & FLAGS_EEE) &&
10940 bnx2x_eee_has_cap(params))
10941 bnx2x_eee_an_resolve(phy, params, vars);
Mintz Yuval9e7e8392012-02-15 02:10:24 +000010942 }
Yaniv Rosner6583e332011-06-14 01:34:17 +000010943 }
10944 return link_up;
10945}
10946
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010947static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
10948 struct link_params *params)
Yaniv Rosner6583e332011-06-14 01:34:17 +000010949{
10950 struct bnx2x *bp = params->bp;
10951 u16 val;
10952 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
10953
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010954 DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
Yaniv Rosner6583e332011-06-14 01:34:17 +000010955
10956 /* Enable master/slave manual mmode and set to master */
10957 /* mii write 9 [bits set 11 12] */
10958 bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
10959
10960 /* forced 1G and disable autoneg */
10961 /* set val [mii read 0] */
10962 /* set val [expr $val & [bits clear 6 12 13]] */
10963 /* set val [expr $val | [bits set 6 8]] */
10964 /* mii write 0 $val */
10965 bnx2x_cl22_read(bp, phy, 0x00, &val);
10966 val &= ~((1<<6) | (1<<12) | (1<<13));
10967 val |= (1<<6) | (1<<8);
10968 bnx2x_cl22_write(bp, phy, 0x00, val);
10969
10970 /* Set external loopback and Tx using 6dB coding */
10971 /* mii write 0x18 7 */
10972 /* set val [mii read 0x18] */
10973 /* mii write 0x18 [expr $val | [bits set 10 15]] */
10974 bnx2x_cl22_write(bp, phy, 0x18, 7);
10975 bnx2x_cl22_read(bp, phy, 0x18, &val);
10976 bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
10977
10978 /* This register opens the gate for the UMAC despite its name */
10979 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
10980
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010981 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
Yaniv Rosner6583e332011-06-14 01:34:17 +000010982 * length used by the MAC receive logic to check frames.
10983 */
10984 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
10985}
10986
10987/******************************************************************/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010988/* SFX7101 PHY SECTION */
10989/******************************************************************/
10990static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
10991 struct link_params *params)
10992{
10993 struct bnx2x *bp = params->bp;
10994 /* SFX7101_XGXS_TEST1 */
10995 bnx2x_cl45_write(bp, phy,
10996 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
10997}
10998
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010999static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
11000 struct link_params *params,
11001 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011002{
11003 u16 fw_ver1, fw_ver2, val;
11004 struct bnx2x *bp = params->bp;
11005 DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
11006
11007 /* Restore normal power mode*/
11008 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011009 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011010 /* HW reset */
11011 bnx2x_ext_phy_hw_reset(bp, params->port);
Yaniv Rosner6d870c32011-01-31 04:22:20 +000011012 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011013
11014 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +000011015 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011016 DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
11017 bnx2x_cl45_write(bp, phy,
11018 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
11019
11020 bnx2x_ext_phy_set_pause(params, phy, vars);
11021 /* Restart autoneg */
11022 bnx2x_cl45_read(bp, phy,
11023 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
11024 val |= 0x200;
11025 bnx2x_cl45_write(bp, phy,
11026 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
11027
11028 /* Save spirom version */
11029 bnx2x_cl45_read(bp, phy,
11030 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
11031
11032 bnx2x_cl45_read(bp, phy,
11033 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
11034 bnx2x_save_spirom_version(bp, params->port,
11035 (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
11036 return 0;
11037}
11038
11039static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
11040 struct link_params *params,
11041 struct link_vars *vars)
11042{
11043 struct bnx2x *bp = params->bp;
11044 u8 link_up;
11045 u16 val1, val2;
11046 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +000011047 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011048 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +000011049 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011050 DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
11051 val2, val1);
11052 bnx2x_cl45_read(bp, phy,
11053 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
11054 bnx2x_cl45_read(bp, phy,
11055 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
11056 DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
11057 val2, val1);
11058 link_up = ((val1 & 4) == 4);
Yuval Mintzd2310232012-06-20 19:05:19 +000011059 /* If link is up print the AN outcome of the SFX7101 PHY */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011060 if (link_up) {
11061 bnx2x_cl45_read(bp, phy,
11062 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
11063 &val2);
11064 vars->line_speed = SPEED_10000;
Yaniv Rosner791f18c2011-01-18 04:33:42 +000011065 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011066 DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
11067 val2, (val2 & (1<<14)));
11068 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
11069 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Mintz Yuval9e7e8392012-02-15 02:10:24 +000011070
Yuval Mintzd2310232012-06-20 19:05:19 +000011071 /* Read LP advertised speeds */
Mintz Yuval9e7e8392012-02-15 02:10:24 +000011072 if (val2 & (1<<11))
11073 vars->link_status |=
11074 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011075 }
11076 return link_up;
11077}
11078
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011079static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011080{
11081 if (*len < 5)
11082 return -EINVAL;
11083 str[0] = (spirom_ver & 0xFF);
11084 str[1] = (spirom_ver & 0xFF00) >> 8;
11085 str[2] = (spirom_ver & 0xFF0000) >> 16;
11086 str[3] = (spirom_ver & 0xFF000000) >> 24;
11087 str[4] = '\0';
11088 *len -= 5;
11089 return 0;
11090}
11091
11092void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
11093{
11094 u16 val, cnt;
11095
11096 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011097 MDIO_PMA_DEVAD,
11098 MDIO_PMA_REG_7101_RESET, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011099
11100 for (cnt = 0; cnt < 10; cnt++) {
11101 msleep(50);
11102 /* Writes a self-clearing reset */
11103 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011104 MDIO_PMA_DEVAD,
11105 MDIO_PMA_REG_7101_RESET,
11106 (val | (1<<15)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011107 /* Wait for clear */
11108 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011109 MDIO_PMA_DEVAD,
11110 MDIO_PMA_REG_7101_RESET, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011111
11112 if ((val & (1<<15)) == 0)
11113 break;
11114 }
11115}
11116
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011117static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
11118 struct link_params *params) {
11119 /* Low power mode is controlled by GPIO 2 */
11120 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011121 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011122 /* The PHY reset is controlled by GPIO 1 */
11123 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011124 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011125}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011126
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011127static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
11128 struct link_params *params, u8 mode)
11129{
11130 u16 val = 0;
11131 struct bnx2x *bp = params->bp;
11132 switch (mode) {
11133 case LED_MODE_FRONT_PANEL_OFF:
11134 case LED_MODE_OFF:
11135 val = 2;
11136 break;
11137 case LED_MODE_ON:
11138 val = 1;
11139 break;
11140 case LED_MODE_OPER:
11141 val = 0;
11142 break;
11143 }
11144 bnx2x_cl45_write(bp, phy,
11145 MDIO_PMA_DEVAD,
11146 MDIO_PMA_REG_7107_LINK_LED_CNTL,
11147 val);
11148}
11149
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011150/******************************************************************/
11151/* STATIC PHY DECLARATION */
11152/******************************************************************/
11153
Yaniv Rosner503976e2012-11-27 03:46:34 +000011154static const struct bnx2x_phy phy_null = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011155 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
11156 .addr = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011157 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011158 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011159 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11160 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11161 .mdio_ctrl = 0,
11162 .supported = 0,
11163 .media_type = ETH_PHY_NOT_PRESENT,
11164 .ver_addr = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011165 .req_flow_ctrl = 0,
11166 .req_line_speed = 0,
11167 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011168 .req_duplex = 0,
11169 .rsrv = 0,
11170 .config_init = (config_init_t)NULL,
11171 .read_status = (read_status_t)NULL,
11172 .link_reset = (link_reset_t)NULL,
11173 .config_loopback = (config_loopback_t)NULL,
11174 .format_fw_ver = (format_fw_ver_t)NULL,
11175 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011176 .set_link_led = (set_link_led_t)NULL,
11177 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011178};
11179
Yaniv Rosner503976e2012-11-27 03:46:34 +000011180static const struct bnx2x_phy phy_serdes = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011181 .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
11182 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011183 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011184 .flags = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011185 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11186 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11187 .mdio_ctrl = 0,
11188 .supported = (SUPPORTED_10baseT_Half |
11189 SUPPORTED_10baseT_Full |
11190 SUPPORTED_100baseT_Half |
11191 SUPPORTED_100baseT_Full |
11192 SUPPORTED_1000baseT_Full |
11193 SUPPORTED_2500baseX_Full |
11194 SUPPORTED_TP |
11195 SUPPORTED_Autoneg |
11196 SUPPORTED_Pause |
11197 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011198 .media_type = ETH_PHY_BASE_T,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011199 .ver_addr = 0,
11200 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011201 .req_line_speed = 0,
11202 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011203 .req_duplex = 0,
11204 .rsrv = 0,
Yaniv Rosnerec146a62011-05-31 21:29:27 +000011205 .config_init = (config_init_t)bnx2x_xgxs_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011206 .read_status = (read_status_t)bnx2x_link_settings_status,
11207 .link_reset = (link_reset_t)bnx2x_int_link_reset,
11208 .config_loopback = (config_loopback_t)NULL,
11209 .format_fw_ver = (format_fw_ver_t)NULL,
11210 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011211 .set_link_led = (set_link_led_t)NULL,
11212 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011213};
11214
Yaniv Rosner503976e2012-11-27 03:46:34 +000011215static const struct bnx2x_phy phy_xgxs = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011216 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11217 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011218 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011219 .flags = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011220 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11221 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11222 .mdio_ctrl = 0,
11223 .supported = (SUPPORTED_10baseT_Half |
11224 SUPPORTED_10baseT_Full |
11225 SUPPORTED_100baseT_Half |
11226 SUPPORTED_100baseT_Full |
11227 SUPPORTED_1000baseT_Full |
11228 SUPPORTED_2500baseX_Full |
11229 SUPPORTED_10000baseT_Full |
11230 SUPPORTED_FIBRE |
11231 SUPPORTED_Autoneg |
11232 SUPPORTED_Pause |
11233 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011234 .media_type = ETH_PHY_CX4,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011235 .ver_addr = 0,
11236 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011237 .req_line_speed = 0,
11238 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011239 .req_duplex = 0,
11240 .rsrv = 0,
Yaniv Rosnerec146a62011-05-31 21:29:27 +000011241 .config_init = (config_init_t)bnx2x_xgxs_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011242 .read_status = (read_status_t)bnx2x_link_settings_status,
11243 .link_reset = (link_reset_t)bnx2x_int_link_reset,
11244 .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
11245 .format_fw_ver = (format_fw_ver_t)NULL,
11246 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011247 .set_link_led = (set_link_led_t)NULL,
Yaniv Rosnera75bb002012-10-31 05:46:53 +000011248 .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011249};
Yaniv Rosner503976e2012-11-27 03:46:34 +000011250static const struct bnx2x_phy phy_warpcore = {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011251 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11252 .addr = 0xff,
11253 .def_md_devad = 0,
Yaniv Rosner8203c4b2012-11-27 03:46:33 +000011254 .flags = FLAGS_TX_ERROR_CHECK,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011255 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11256 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11257 .mdio_ctrl = 0,
11258 .supported = (SUPPORTED_10baseT_Half |
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011259 SUPPORTED_10baseT_Full |
11260 SUPPORTED_100baseT_Half |
11261 SUPPORTED_100baseT_Full |
11262 SUPPORTED_1000baseT_Full |
11263 SUPPORTED_10000baseT_Full |
11264 SUPPORTED_20000baseKR2_Full |
11265 SUPPORTED_20000baseMLD2_Full |
11266 SUPPORTED_FIBRE |
11267 SUPPORTED_Autoneg |
11268 SUPPORTED_Pause |
11269 SUPPORTED_Asym_Pause),
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011270 .media_type = ETH_PHY_UNSPECIFIED,
11271 .ver_addr = 0,
11272 .req_flow_ctrl = 0,
11273 .req_line_speed = 0,
11274 .speed_cap_mask = 0,
11275 /* req_duplex = */0,
11276 /* rsrv = */0,
11277 .config_init = (config_init_t)bnx2x_warpcore_config_init,
11278 .read_status = (read_status_t)bnx2x_warpcore_read_status,
11279 .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
11280 .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
11281 .format_fw_ver = (format_fw_ver_t)NULL,
Yaniv Rosner985848f2011-07-05 01:06:48 +000011282 .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011283 .set_link_led = (set_link_led_t)NULL,
11284 .phy_specific_func = (phy_specific_func_t)NULL
11285};
11286
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011287
Yaniv Rosner503976e2012-11-27 03:46:34 +000011288static const struct bnx2x_phy phy_7101 = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011289 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
11290 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011291 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011292 .flags = FLAGS_FAN_FAILURE_DET_REQ,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011293 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11294 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11295 .mdio_ctrl = 0,
11296 .supported = (SUPPORTED_10000baseT_Full |
11297 SUPPORTED_TP |
11298 SUPPORTED_Autoneg |
11299 SUPPORTED_Pause |
11300 SUPPORTED_Asym_Pause),
11301 .media_type = ETH_PHY_BASE_T,
11302 .ver_addr = 0,
11303 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011304 .req_line_speed = 0,
11305 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011306 .req_duplex = 0,
11307 .rsrv = 0,
11308 .config_init = (config_init_t)bnx2x_7101_config_init,
11309 .read_status = (read_status_t)bnx2x_7101_read_status,
11310 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11311 .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
11312 .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
11313 .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011314 .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011315 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011316};
Yaniv Rosner503976e2012-11-27 03:46:34 +000011317static const struct bnx2x_phy phy_8073 = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011318 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
11319 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011320 .def_md_devad = 0,
Yaniv Rosner8203c4b2012-11-27 03:46:33 +000011321 .flags = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011322 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11323 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11324 .mdio_ctrl = 0,
11325 .supported = (SUPPORTED_10000baseT_Full |
11326 SUPPORTED_2500baseX_Full |
11327 SUPPORTED_1000baseT_Full |
11328 SUPPORTED_FIBRE |
11329 SUPPORTED_Autoneg |
11330 SUPPORTED_Pause |
11331 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011332 .media_type = ETH_PHY_KR,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011333 .ver_addr = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011334 .req_flow_ctrl = 0,
11335 .req_line_speed = 0,
11336 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011337 .req_duplex = 0,
11338 .rsrv = 0,
Yaniv Rosner62b29a52010-09-07 11:40:58 +000011339 .config_init = (config_init_t)bnx2x_8073_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011340 .read_status = (read_status_t)bnx2x_8073_read_status,
11341 .link_reset = (link_reset_t)bnx2x_8073_link_reset,
11342 .config_loopback = (config_loopback_t)NULL,
11343 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11344 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011345 .set_link_led = (set_link_led_t)NULL,
Yaniv Rosner5c107fd2012-09-13 02:56:19 +000011346 .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011347};
Yaniv Rosner503976e2012-11-27 03:46:34 +000011348static const struct bnx2x_phy phy_8705 = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011349 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
11350 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011351 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011352 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011353 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11354 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11355 .mdio_ctrl = 0,
11356 .supported = (SUPPORTED_10000baseT_Full |
11357 SUPPORTED_FIBRE |
11358 SUPPORTED_Pause |
11359 SUPPORTED_Asym_Pause),
11360 .media_type = ETH_PHY_XFP_FIBER,
11361 .ver_addr = 0,
11362 .req_flow_ctrl = 0,
11363 .req_line_speed = 0,
11364 .speed_cap_mask = 0,
11365 .req_duplex = 0,
11366 .rsrv = 0,
11367 .config_init = (config_init_t)bnx2x_8705_config_init,
11368 .read_status = (read_status_t)bnx2x_8705_read_status,
11369 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11370 .config_loopback = (config_loopback_t)NULL,
11371 .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
11372 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011373 .set_link_led = (set_link_led_t)NULL,
11374 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011375};
Yaniv Rosner503976e2012-11-27 03:46:34 +000011376static const struct bnx2x_phy phy_8706 = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011377 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
11378 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011379 .def_md_devad = 0,
David S. Miller8decf862011-09-22 03:23:13 -040011380 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011381 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11382 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11383 .mdio_ctrl = 0,
11384 .supported = (SUPPORTED_10000baseT_Full |
11385 SUPPORTED_1000baseT_Full |
11386 SUPPORTED_FIBRE |
11387 SUPPORTED_Pause |
11388 SUPPORTED_Asym_Pause),
Yuval Mintzdbef8072012-06-20 19:05:22 +000011389 .media_type = ETH_PHY_SFPP_10G_FIBER,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011390 .ver_addr = 0,
11391 .req_flow_ctrl = 0,
11392 .req_line_speed = 0,
11393 .speed_cap_mask = 0,
11394 .req_duplex = 0,
11395 .rsrv = 0,
11396 .config_init = (config_init_t)bnx2x_8706_config_init,
11397 .read_status = (read_status_t)bnx2x_8706_read_status,
11398 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11399 .config_loopback = (config_loopback_t)NULL,
11400 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11401 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011402 .set_link_led = (set_link_led_t)NULL,
11403 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011404};
11405
Yaniv Rosner503976e2012-11-27 03:46:34 +000011406static const struct bnx2x_phy phy_8726 = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011407 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
11408 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011409 .def_md_devad = 0,
Yaniv Rosner8203c4b2012-11-27 03:46:33 +000011410 .flags = (FLAGS_INIT_XGXS_FIRST |
Yaniv Rosner55098c52012-04-03 18:41:27 +000011411 FLAGS_TX_ERROR_CHECK),
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011412 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11413 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11414 .mdio_ctrl = 0,
11415 .supported = (SUPPORTED_10000baseT_Full |
11416 SUPPORTED_1000baseT_Full |
11417 SUPPORTED_Autoneg |
11418 SUPPORTED_FIBRE |
11419 SUPPORTED_Pause |
11420 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011421 .media_type = ETH_PHY_NOT_PRESENT,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011422 .ver_addr = 0,
11423 .req_flow_ctrl = 0,
11424 .req_line_speed = 0,
11425 .speed_cap_mask = 0,
11426 .req_duplex = 0,
11427 .rsrv = 0,
11428 .config_init = (config_init_t)bnx2x_8726_config_init,
11429 .read_status = (read_status_t)bnx2x_8726_read_status,
11430 .link_reset = (link_reset_t)bnx2x_8726_link_reset,
11431 .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
11432 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11433 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011434 .set_link_led = (set_link_led_t)NULL,
11435 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011436};
11437
Yaniv Rosner503976e2012-11-27 03:46:34 +000011438static const struct bnx2x_phy phy_8727 = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011439 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
11440 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011441 .def_md_devad = 0,
Yaniv Rosner55098c52012-04-03 18:41:27 +000011442 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11443 FLAGS_TX_ERROR_CHECK),
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011444 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11445 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11446 .mdio_ctrl = 0,
11447 .supported = (SUPPORTED_10000baseT_Full |
11448 SUPPORTED_1000baseT_Full |
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011449 SUPPORTED_FIBRE |
11450 SUPPORTED_Pause |
11451 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011452 .media_type = ETH_PHY_NOT_PRESENT,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011453 .ver_addr = 0,
11454 .req_flow_ctrl = 0,
11455 .req_line_speed = 0,
11456 .speed_cap_mask = 0,
11457 .req_duplex = 0,
11458 .rsrv = 0,
11459 .config_init = (config_init_t)bnx2x_8727_config_init,
11460 .read_status = (read_status_t)bnx2x_8727_read_status,
11461 .link_reset = (link_reset_t)bnx2x_8727_link_reset,
11462 .config_loopback = (config_loopback_t)NULL,
11463 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11464 .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011465 .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011466 .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011467};
Yaniv Rosner503976e2012-11-27 03:46:34 +000011468static const struct bnx2x_phy phy_8481 = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011469 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
11470 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011471 .def_md_devad = 0,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011472 .flags = FLAGS_FAN_FAILURE_DET_REQ |
11473 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011474 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11475 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11476 .mdio_ctrl = 0,
11477 .supported = (SUPPORTED_10baseT_Half |
11478 SUPPORTED_10baseT_Full |
11479 SUPPORTED_100baseT_Half |
11480 SUPPORTED_100baseT_Full |
11481 SUPPORTED_1000baseT_Full |
11482 SUPPORTED_10000baseT_Full |
11483 SUPPORTED_TP |
11484 SUPPORTED_Autoneg |
11485 SUPPORTED_Pause |
11486 SUPPORTED_Asym_Pause),
11487 .media_type = ETH_PHY_BASE_T,
11488 .ver_addr = 0,
11489 .req_flow_ctrl = 0,
11490 .req_line_speed = 0,
11491 .speed_cap_mask = 0,
11492 .req_duplex = 0,
11493 .rsrv = 0,
11494 .config_init = (config_init_t)bnx2x_8481_config_init,
11495 .read_status = (read_status_t)bnx2x_848xx_read_status,
11496 .link_reset = (link_reset_t)bnx2x_8481_link_reset,
11497 .config_loopback = (config_loopback_t)NULL,
11498 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11499 .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011500 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011501 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011502};
11503
Yaniv Rosner503976e2012-11-27 03:46:34 +000011504static const struct bnx2x_phy phy_84823 = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011505 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
11506 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011507 .def_md_devad = 0,
Yaniv Rosner55098c52012-04-03 18:41:27 +000011508 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11509 FLAGS_REARM_LATCH_SIGNAL |
11510 FLAGS_TX_ERROR_CHECK),
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011511 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11512 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11513 .mdio_ctrl = 0,
11514 .supported = (SUPPORTED_10baseT_Half |
11515 SUPPORTED_10baseT_Full |
11516 SUPPORTED_100baseT_Half |
11517 SUPPORTED_100baseT_Full |
11518 SUPPORTED_1000baseT_Full |
11519 SUPPORTED_10000baseT_Full |
11520 SUPPORTED_TP |
11521 SUPPORTED_Autoneg |
11522 SUPPORTED_Pause |
11523 SUPPORTED_Asym_Pause),
11524 .media_type = ETH_PHY_BASE_T,
11525 .ver_addr = 0,
11526 .req_flow_ctrl = 0,
11527 .req_line_speed = 0,
11528 .speed_cap_mask = 0,
11529 .req_duplex = 0,
11530 .rsrv = 0,
11531 .config_init = (config_init_t)bnx2x_848x3_config_init,
11532 .read_status = (read_status_t)bnx2x_848xx_read_status,
11533 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11534 .config_loopback = (config_loopback_t)NULL,
11535 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11536 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011537 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosner5c107fd2012-09-13 02:56:19 +000011538 .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011539};
11540
Yaniv Rosner503976e2012-11-27 03:46:34 +000011541static const struct bnx2x_phy phy_84833 = {
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011542 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
11543 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011544 .def_md_devad = 0,
Yaniv Rosner55098c52012-04-03 18:41:27 +000011545 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11546 FLAGS_REARM_LATCH_SIGNAL |
Yuval Mintzf6b6eb62012-09-10 05:51:07 +000011547 FLAGS_TX_ERROR_CHECK),
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011548 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11549 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11550 .mdio_ctrl = 0,
Yaniv Rosner0520e632011-07-05 01:06:59 +000011551 .supported = (SUPPORTED_100baseT_Half |
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011552 SUPPORTED_100baseT_Full |
11553 SUPPORTED_1000baseT_Full |
11554 SUPPORTED_10000baseT_Full |
11555 SUPPORTED_TP |
11556 SUPPORTED_Autoneg |
11557 SUPPORTED_Pause |
11558 SUPPORTED_Asym_Pause),
11559 .media_type = ETH_PHY_BASE_T,
11560 .ver_addr = 0,
11561 .req_flow_ctrl = 0,
11562 .req_line_speed = 0,
11563 .speed_cap_mask = 0,
11564 .req_duplex = 0,
11565 .rsrv = 0,
11566 .config_init = (config_init_t)bnx2x_848x3_config_init,
11567 .read_status = (read_status_t)bnx2x_848xx_read_status,
11568 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11569 .config_loopback = (config_loopback_t)NULL,
11570 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
Yaniv Rosner985848f2011-07-05 01:06:48 +000011571 .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011572 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosner5c107fd2012-09-13 02:56:19 +000011573 .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011574};
11575
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000011576static const struct bnx2x_phy phy_84834 = {
11577 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
11578 .addr = 0xff,
11579 .def_md_devad = 0,
11580 .flags = FLAGS_FAN_FAILURE_DET_REQ |
11581 FLAGS_REARM_LATCH_SIGNAL,
11582 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11583 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11584 .mdio_ctrl = 0,
11585 .supported = (SUPPORTED_100baseT_Half |
11586 SUPPORTED_100baseT_Full |
11587 SUPPORTED_1000baseT_Full |
11588 SUPPORTED_10000baseT_Full |
11589 SUPPORTED_TP |
11590 SUPPORTED_Autoneg |
11591 SUPPORTED_Pause |
11592 SUPPORTED_Asym_Pause),
11593 .media_type = ETH_PHY_BASE_T,
11594 .ver_addr = 0,
11595 .req_flow_ctrl = 0,
11596 .req_line_speed = 0,
11597 .speed_cap_mask = 0,
11598 .req_duplex = 0,
11599 .rsrv = 0,
11600 .config_init = (config_init_t)bnx2x_848x3_config_init,
11601 .read_status = (read_status_t)bnx2x_848xx_read_status,
11602 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11603 .config_loopback = (config_loopback_t)NULL,
11604 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11605 .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
11606 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
11607 .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11608};
11609
Yaniv Rosner503976e2012-11-27 03:46:34 +000011610static const struct bnx2x_phy phy_54618se = {
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000011611 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
Yaniv Rosner6583e332011-06-14 01:34:17 +000011612 .addr = 0xff,
11613 .def_md_devad = 0,
11614 .flags = FLAGS_INIT_XGXS_FIRST,
11615 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11616 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11617 .mdio_ctrl = 0,
11618 .supported = (SUPPORTED_10baseT_Half |
11619 SUPPORTED_10baseT_Full |
11620 SUPPORTED_100baseT_Half |
11621 SUPPORTED_100baseT_Full |
11622 SUPPORTED_1000baseT_Full |
11623 SUPPORTED_TP |
11624 SUPPORTED_Autoneg |
11625 SUPPORTED_Pause |
11626 SUPPORTED_Asym_Pause),
11627 .media_type = ETH_PHY_BASE_T,
11628 .ver_addr = 0,
11629 .req_flow_ctrl = 0,
11630 .req_line_speed = 0,
11631 .speed_cap_mask = 0,
11632 /* req_duplex = */0,
11633 /* rsrv = */0,
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000011634 .config_init = (config_init_t)bnx2x_54618se_config_init,
11635 .read_status = (read_status_t)bnx2x_54618se_read_status,
11636 .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
11637 .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
Yaniv Rosner6583e332011-06-14 01:34:17 +000011638 .format_fw_ver = (format_fw_ver_t)NULL,
11639 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosner1d125bd2011-11-23 03:54:08 +000011640 .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
Yaniv Rosner5c107fd2012-09-13 02:56:19 +000011641 .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
Yaniv Rosner6583e332011-06-14 01:34:17 +000011642};
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011643/*****************************************************************/
11644/* */
11645/* Populate the phy according. Main function: bnx2x_populate_phy */
11646/* */
11647/*****************************************************************/
11648
11649static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
11650 struct bnx2x_phy *phy, u8 port,
11651 u8 phy_index)
11652{
11653 /* Get the 4 lanes xgxs config rx and tx */
11654 u32 rx = 0, tx = 0, i;
11655 for (i = 0; i < 2; i++) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011656 /* INT_PHY and EXT_PHY1 share the same value location in
11657 * the shmem. When num_phys is greater than 1, than this value
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011658 * applies only to EXT_PHY1
11659 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011660 if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
11661 rx = REG_RD(bp, shmem_base +
11662 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011663 dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011664
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011665 tx = REG_RD(bp, shmem_base +
11666 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011667 dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011668 } else {
11669 rx = REG_RD(bp, shmem_base +
11670 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011671 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011672
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011673 tx = REG_RD(bp, shmem_base +
11674 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011675 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011676 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011677
11678 phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
11679 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
11680
11681 phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
11682 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
11683 }
11684}
11685
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011686static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
11687 u8 phy_index, u8 port)
11688{
11689 u32 ext_phy_config = 0;
11690 switch (phy_index) {
11691 case EXT_PHY1:
11692 ext_phy_config = REG_RD(bp, shmem_base +
11693 offsetof(struct shmem_region,
11694 dev_info.port_hw_config[port].external_phy_config));
11695 break;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011696 case EXT_PHY2:
11697 ext_phy_config = REG_RD(bp, shmem_base +
11698 offsetof(struct shmem_region,
11699 dev_info.port_hw_config[port].external_phy_config2));
11700 break;
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011701 default:
11702 DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
11703 return -EINVAL;
11704 }
11705
11706 return ext_phy_config;
11707}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011708static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
11709 struct bnx2x_phy *phy)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011710{
11711 u32 phy_addr;
11712 u32 chip_id;
11713 u32 switch_cfg = (REG_RD(bp, shmem_base +
11714 offsetof(struct shmem_region,
11715 dev_info.port_feature_config[port].link_config)) &
11716 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerec15b892011-11-28 00:49:49 +000011717 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
11718 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
11719
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011720 DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
11721 if (USES_WARPCORE(bp)) {
11722 u32 serdes_net_if;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011723 phy_addr = REG_RD(bp,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011724 MISC_REG_WC0_CTRL_PHY_ADDR);
11725 *phy = phy_warpcore;
11726 if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
11727 phy->flags |= FLAGS_4_PORT_MODE;
11728 else
11729 phy->flags &= ~FLAGS_4_PORT_MODE;
11730 /* Check Dual mode */
11731 serdes_net_if = (REG_RD(bp, shmem_base +
11732 offsetof(struct shmem_region, dev_info.
11733 port_hw_config[port].default_cfg)) &
11734 PORT_HW_CFG_NET_SERDES_IF_MASK);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011735 /* Set the appropriate supported and flags indications per
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011736 * interface type of the chip
11737 */
11738 switch (serdes_net_if) {
11739 case PORT_HW_CFG_NET_SERDES_IF_SGMII:
11740 phy->supported &= (SUPPORTED_10baseT_Half |
11741 SUPPORTED_10baseT_Full |
11742 SUPPORTED_100baseT_Half |
11743 SUPPORTED_100baseT_Full |
11744 SUPPORTED_1000baseT_Full |
11745 SUPPORTED_FIBRE |
11746 SUPPORTED_Autoneg |
11747 SUPPORTED_Pause |
11748 SUPPORTED_Asym_Pause);
11749 phy->media_type = ETH_PHY_BASE_T;
11750 break;
11751 case PORT_HW_CFG_NET_SERDES_IF_XFI:
Yaniv Rosner03c31482012-10-31 05:46:57 +000011752 phy->supported &= (SUPPORTED_1000baseT_Full |
11753 SUPPORTED_10000baseT_Full |
11754 SUPPORTED_FIBRE |
11755 SUPPORTED_Pause |
11756 SUPPORTED_Asym_Pause);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011757 phy->media_type = ETH_PHY_XFP_FIBER;
11758 break;
11759 case PORT_HW_CFG_NET_SERDES_IF_SFI:
11760 phy->supported &= (SUPPORTED_1000baseT_Full |
11761 SUPPORTED_10000baseT_Full |
11762 SUPPORTED_FIBRE |
11763 SUPPORTED_Pause |
11764 SUPPORTED_Asym_Pause);
Yuval Mintzdbef8072012-06-20 19:05:22 +000011765 phy->media_type = ETH_PHY_SFPP_10G_FIBER;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011766 break;
11767 case PORT_HW_CFG_NET_SERDES_IF_KR:
11768 phy->media_type = ETH_PHY_KR;
11769 phy->supported &= (SUPPORTED_1000baseT_Full |
11770 SUPPORTED_10000baseT_Full |
11771 SUPPORTED_FIBRE |
11772 SUPPORTED_Autoneg |
11773 SUPPORTED_Pause |
11774 SUPPORTED_Asym_Pause);
11775 break;
11776 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
11777 phy->media_type = ETH_PHY_KR;
11778 phy->flags |= FLAGS_WC_DUAL_MODE;
11779 phy->supported &= (SUPPORTED_20000baseMLD2_Full |
11780 SUPPORTED_FIBRE |
11781 SUPPORTED_Pause |
11782 SUPPORTED_Asym_Pause);
11783 break;
11784 case PORT_HW_CFG_NET_SERDES_IF_KR2:
11785 phy->media_type = ETH_PHY_KR;
11786 phy->flags |= FLAGS_WC_DUAL_MODE;
11787 phy->supported &= (SUPPORTED_20000baseKR2_Full |
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000011788 SUPPORTED_Autoneg |
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011789 SUPPORTED_FIBRE |
11790 SUPPORTED_Pause |
11791 SUPPORTED_Asym_Pause);
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000011792 phy->flags &= ~FLAGS_TX_ERROR_CHECK;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011793 break;
11794 default:
11795 DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
11796 serdes_net_if);
11797 break;
11798 }
11799
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011800 /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011801 * was not set as expected. For B0, ECO will be enabled so there
11802 * won't be an issue there
11803 */
11804 if (CHIP_REV(bp) == CHIP_REV_Ax)
11805 phy->flags |= FLAGS_MDC_MDIO_WA;
Yaniv Rosner157fa282011-08-02 22:59:32 +000011806 else
11807 phy->flags |= FLAGS_MDC_MDIO_WA_B0;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011808 } else {
11809 switch (switch_cfg) {
11810 case SWITCH_CFG_1G:
11811 phy_addr = REG_RD(bp,
11812 NIG_REG_SERDES0_CTRL_PHY_ADDR +
11813 port * 0x10);
11814 *phy = phy_serdes;
11815 break;
11816 case SWITCH_CFG_10G:
11817 phy_addr = REG_RD(bp,
11818 NIG_REG_XGXS0_CTRL_PHY_ADDR +
11819 port * 0x18);
11820 *phy = phy_xgxs;
11821 break;
11822 default:
11823 DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
11824 return -EINVAL;
11825 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011826 }
11827 phy->addr = (u8)phy_addr;
11828 phy->mdio_ctrl = bnx2x_get_emac_base(bp,
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011829 SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011830 port);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011831 if (CHIP_IS_E2(bp))
11832 phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
11833 else
11834 phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011835
11836 DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
11837 port, phy->addr, phy->mdio_ctrl);
11838
11839 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
11840 return 0;
11841}
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011842
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011843static int bnx2x_populate_ext_phy(struct bnx2x *bp,
11844 u8 phy_index,
11845 u32 shmem_base,
11846 u32 shmem2_base,
11847 u8 port,
11848 struct bnx2x_phy *phy)
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011849{
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011850 u32 ext_phy_config, phy_type, config2;
11851 u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011852 ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
11853 phy_index, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011854 phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
11855 /* Select the phy type */
11856 switch (phy_type) {
11857 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011858 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011859 *phy = phy_8073;
11860 break;
11861 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
11862 *phy = phy_8705;
11863 break;
11864 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
11865 *phy = phy_8706;
11866 break;
11867 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011868 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011869 *phy = phy_8726;
11870 break;
11871 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
11872 /* BCM8727_NOC => BCM8727 no over current */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011873 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011874 *phy = phy_8727;
11875 phy->flags |= FLAGS_NOC;
11876 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +000011877 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011878 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011879 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011880 *phy = phy_8727;
11881 break;
11882 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
11883 *phy = phy_8481;
11884 break;
11885 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
11886 *phy = phy_84823;
11887 break;
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011888 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
11889 *phy = phy_84833;
11890 break;
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000011891 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
11892 *phy = phy_84834;
11893 break;
Yaniv Rosner3756a892011-08-23 06:33:24 +000011894 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000011895 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
11896 *phy = phy_54618se;
Yuval Mintz26964bb2012-09-10 05:51:08 +000011897 if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
11898 phy->flags |= FLAGS_EEE;
Yaniv Rosner6583e332011-06-14 01:34:17 +000011899 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011900 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
11901 *phy = phy_7101;
11902 break;
11903 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
11904 *phy = phy_null;
11905 return -EINVAL;
11906 default:
11907 *phy = phy_null;
Yaniv Rosner6db51932011-11-28 00:49:50 +000011908 /* In case external PHY wasn't found */
11909 if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
11910 (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
11911 return -EINVAL;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011912 return 0;
11913 }
11914
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011915 phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011916 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
Yaniv Rosner62b29a52010-09-07 11:40:58 +000011917
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011918 /* The shmem address of the phy version is located on different
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000011919 * structures. In case this structure is too old, do not set
11920 * the address
11921 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011922 config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
11923 dev_info.shared_hw_config.config2));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011924 if (phy_index == EXT_PHY1) {
11925 phy->ver_addr = shmem_base + offsetof(struct shmem_region,
11926 port_mb[port].ext_phy_fw_version);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011927
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011928 /* Check specific mdc mdio settings */
11929 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
11930 mdc_mdio_access = config2 &
11931 SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011932 } else {
11933 u32 size = REG_RD(bp, shmem2_base);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011934
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011935 if (size >
11936 offsetof(struct shmem2_region, ext_phy_fw_version2)) {
11937 phy->ver_addr = shmem2_base +
11938 offsetof(struct shmem2_region,
11939 ext_phy_fw_version2[port]);
11940 }
11941 /* Check specific mdc mdio settings */
11942 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
11943 mdc_mdio_access = (config2 &
11944 SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
11945 (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
11946 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
11947 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011948 phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
11949
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000011950 if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
11951 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
Yaniv Rosner75318322012-01-17 02:33:27 +000011952 (phy->ver_addr)) {
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000011953 /* Remove 100Mb link supported for BCM84833/4 when phy fw
Yaniv Rosner75318322012-01-17 02:33:27 +000011954 * version lower than or equal to 1.39
11955 */
11956 u32 raw_ver = REG_RD(bp, phy->ver_addr);
11957 if (((raw_ver & 0x7F) <= 39) &&
11958 (((raw_ver & 0xF80) >> 7) <= 1))
11959 phy->supported &= ~(SUPPORTED_100baseT_Half |
11960 SUPPORTED_100baseT_Full);
11961 }
11962
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011963 DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
11964 phy_type, port, phy_index);
11965 DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
11966 phy->addr, phy->mdio_ctrl);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011967 return 0;
11968}
11969
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011970static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
11971 u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011972{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011973 int status = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011974 phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
11975 if (phy_index == INT_PHY)
11976 return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011977 status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011978 port, phy);
11979 return status;
11980}
11981
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011982static void bnx2x_phy_def_cfg(struct link_params *params,
11983 struct bnx2x_phy *phy,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011984 u8 phy_index)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011985{
11986 struct bnx2x *bp = params->bp;
11987 u32 link_config;
11988 /* Populate the default phy configuration for MF mode */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011989 if (phy_index == EXT_PHY2) {
11990 link_config = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011991 offsetof(struct shmem_region, dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011992 port_feature_config[params->port].link_config2));
11993 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011994 offsetof(struct shmem_region,
11995 dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011996 port_hw_config[params->port].speed_capability_mask2));
11997 } else {
11998 link_config = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011999 offsetof(struct shmem_region, dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012000 port_feature_config[params->port].link_config));
12001 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012002 offsetof(struct shmem_region,
12003 dev_info.
12004 port_hw_config[params->port].speed_capability_mask));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012005 }
Joe Perches94f05b02011-08-14 12:16:20 +000012006 DP(NETIF_MSG_LINK,
12007 "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
12008 phy_index, link_config, phy->speed_cap_mask);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012009
12010 phy->req_duplex = DUPLEX_FULL;
12011 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
12012 case PORT_FEATURE_LINK_SPEED_10M_HALF:
12013 phy->req_duplex = DUPLEX_HALF;
12014 case PORT_FEATURE_LINK_SPEED_10M_FULL:
12015 phy->req_line_speed = SPEED_10;
12016 break;
12017 case PORT_FEATURE_LINK_SPEED_100M_HALF:
12018 phy->req_duplex = DUPLEX_HALF;
12019 case PORT_FEATURE_LINK_SPEED_100M_FULL:
12020 phy->req_line_speed = SPEED_100;
12021 break;
12022 case PORT_FEATURE_LINK_SPEED_1G:
12023 phy->req_line_speed = SPEED_1000;
12024 break;
12025 case PORT_FEATURE_LINK_SPEED_2_5G:
12026 phy->req_line_speed = SPEED_2500;
12027 break;
12028 case PORT_FEATURE_LINK_SPEED_10G_CX4:
12029 phy->req_line_speed = SPEED_10000;
12030 break;
12031 default:
12032 phy->req_line_speed = SPEED_AUTO_NEG;
12033 break;
12034 }
12035
12036 switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
12037 case PORT_FEATURE_FLOW_CONTROL_AUTO:
12038 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
12039 break;
12040 case PORT_FEATURE_FLOW_CONTROL_TX:
12041 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
12042 break;
12043 case PORT_FEATURE_FLOW_CONTROL_RX:
12044 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
12045 break;
12046 case PORT_FEATURE_FLOW_CONTROL_BOTH:
12047 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
12048 break;
12049 default:
12050 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12051 break;
12052 }
12053}
12054
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012055u32 bnx2x_phy_selection(struct link_params *params)
12056{
12057 u32 phy_config_swapped, prio_cfg;
12058 u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
12059
12060 phy_config_swapped = params->multi_phy_config &
12061 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12062
12063 prio_cfg = params->multi_phy_config &
12064 PORT_HW_CFG_PHY_SELECTION_MASK;
12065
12066 if (phy_config_swapped) {
12067 switch (prio_cfg) {
12068 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
12069 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
12070 break;
12071 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
12072 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
12073 break;
12074 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
12075 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
12076 break;
12077 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
12078 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
12079 break;
12080 }
12081 } else
12082 return_cfg = prio_cfg;
12083
12084 return return_cfg;
12085}
12086
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012087int bnx2x_phy_probe(struct link_params *params)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012088{
Yaniv Rosner2f751a82011-11-28 00:49:52 +000012089 u8 phy_index, actual_phy_idx;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000012090 u32 phy_config_swapped, sync_offset, media_types;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012091 struct bnx2x *bp = params->bp;
12092 struct bnx2x_phy *phy;
12093 params->num_phys = 0;
12094 DP(NETIF_MSG_LINK, "Begin phy probe\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012095 phy_config_swapped = params->multi_phy_config &
12096 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012097
12098 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12099 phy_index++) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012100 actual_phy_idx = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012101 if (phy_config_swapped) {
12102 if (phy_index == EXT_PHY1)
12103 actual_phy_idx = EXT_PHY2;
12104 else if (phy_index == EXT_PHY2)
12105 actual_phy_idx = EXT_PHY1;
12106 }
12107 DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
12108 " actual_phy_idx %x\n", phy_config_swapped,
12109 phy_index, actual_phy_idx);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012110 phy = &params->phy[actual_phy_idx];
12111 if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012112 params->shmem2_base, params->port,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012113 phy) != 0) {
12114 params->num_phys = 0;
12115 DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
12116 phy_index);
12117 for (phy_index = INT_PHY;
12118 phy_index < MAX_PHYS;
12119 phy_index++)
12120 *phy = phy_null;
12121 return -EINVAL;
12122 }
12123 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
12124 break;
12125
Yaniv Rosner55098c52012-04-03 18:41:27 +000012126 if (params->feature_config_flags &
12127 FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
12128 phy->flags &= ~FLAGS_TX_ERROR_CHECK;
12129
Yaniv Rosner55386fe82012-11-27 03:46:30 +000012130 if (!(params->feature_config_flags &
12131 FEATURE_CONFIG_MT_SUPPORT))
12132 phy->flags |= FLAGS_MDC_MDIO_WA_G;
12133
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000012134 sync_offset = params->shmem_base +
12135 offsetof(struct shmem_region,
12136 dev_info.port_hw_config[params->port].media_type);
12137 media_types = REG_RD(bp, sync_offset);
12138
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012139 /* Update media type for non-PMF sync only for the first time
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000012140 * In case the media type changes afterwards, it will be updated
12141 * using the update_status function
12142 */
12143 if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
12144 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12145 actual_phy_idx))) == 0) {
12146 media_types |= ((phy->media_type &
12147 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
12148 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12149 actual_phy_idx));
12150 }
12151 REG_WR(bp, sync_offset, media_types);
12152
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012153 bnx2x_phy_def_cfg(params, phy, phy_index);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012154 params->num_phys++;
12155 }
12156
12157 DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
12158 return 0;
12159}
12160
Merav Sicron910cc722012-11-11 03:56:08 +000012161static void bnx2x_init_bmac_loopback(struct link_params *params,
12162 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012163{
12164 struct bnx2x *bp = params->bp;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012165 vars->link_up = 1;
12166 vars->line_speed = SPEED_10000;
12167 vars->duplex = DUPLEX_FULL;
12168 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12169 vars->mac_type = MAC_TYPE_BMAC;
12170
12171 vars->phy_flags = PHY_XGXS_FLAG;
12172
12173 bnx2x_xgxs_deassert(params);
12174
12175 /* set bmac loopback */
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012176 bnx2x_bmac_enable(params, vars, 1, 1);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012177
12178 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12179}
12180
Merav Sicron910cc722012-11-11 03:56:08 +000012181static void bnx2x_init_emac_loopback(struct link_params *params,
12182 struct link_vars *vars)
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012183{
12184 struct bnx2x *bp = params->bp;
12185 vars->link_up = 1;
12186 vars->line_speed = SPEED_1000;
12187 vars->duplex = DUPLEX_FULL;
12188 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12189 vars->mac_type = MAC_TYPE_EMAC;
12190
12191 vars->phy_flags = PHY_XGXS_FLAG;
12192
12193 bnx2x_xgxs_deassert(params);
12194 /* set bmac loopback */
12195 bnx2x_emac_enable(params, vars, 1);
12196 bnx2x_emac_program(params, vars);
12197 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12198}
12199
Merav Sicron910cc722012-11-11 03:56:08 +000012200static void bnx2x_init_xmac_loopback(struct link_params *params,
12201 struct link_vars *vars)
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012202{
12203 struct bnx2x *bp = params->bp;
12204 vars->link_up = 1;
12205 if (!params->req_line_speed[0])
12206 vars->line_speed = SPEED_10000;
12207 else
12208 vars->line_speed = params->req_line_speed[0];
12209 vars->duplex = DUPLEX_FULL;
12210 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12211 vars->mac_type = MAC_TYPE_XMAC;
12212 vars->phy_flags = PHY_XGXS_FLAG;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012213 /* Set WC to loopback mode since link is required to provide clock
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012214 * to the XMAC in 20G mode
12215 */
Yaniv Rosnerafad0092011-08-02 23:00:06 +000012216 bnx2x_set_aer_mmd(params, &params->phy[0]);
12217 bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
12218 params->phy[INT_PHY].config_loopback(
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012219 &params->phy[INT_PHY],
12220 params);
Yaniv Rosnerafad0092011-08-02 23:00:06 +000012221
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012222 bnx2x_xmac_enable(params, vars, 1);
12223 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12224}
12225
Merav Sicron910cc722012-11-11 03:56:08 +000012226static void bnx2x_init_umac_loopback(struct link_params *params,
12227 struct link_vars *vars)
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012228{
12229 struct bnx2x *bp = params->bp;
12230 vars->link_up = 1;
12231 vars->line_speed = SPEED_1000;
12232 vars->duplex = DUPLEX_FULL;
12233 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12234 vars->mac_type = MAC_TYPE_UMAC;
12235 vars->phy_flags = PHY_XGXS_FLAG;
12236 bnx2x_umac_enable(params, vars, 1);
12237
12238 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12239}
12240
Merav Sicron910cc722012-11-11 03:56:08 +000012241static void bnx2x_init_xgxs_loopback(struct link_params *params,
12242 struct link_vars *vars)
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012243{
12244 struct bnx2x *bp = params->bp;
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000012245 struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
Yaniv Rosner503976e2012-11-27 03:46:34 +000012246 vars->link_up = 1;
12247 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12248 vars->duplex = DUPLEX_FULL;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012249 if (params->req_line_speed[0] == SPEED_1000)
Yaniv Rosner503976e2012-11-27 03:46:34 +000012250 vars->line_speed = SPEED_1000;
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000012251 else if ((params->req_line_speed[0] == SPEED_20000) ||
12252 (int_phy->flags & FLAGS_WC_DUAL_MODE))
12253 vars->line_speed = SPEED_20000;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012254 else
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000012255 vars->line_speed = SPEED_10000;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012256
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012257 if (!USES_WARPCORE(bp))
12258 bnx2x_xgxs_deassert(params);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012259 bnx2x_link_initialize(params, vars);
12260
12261 if (params->req_line_speed[0] == SPEED_1000) {
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012262 if (USES_WARPCORE(bp))
12263 bnx2x_umac_enable(params, vars, 0);
12264 else {
12265 bnx2x_emac_program(params, vars);
12266 bnx2x_emac_enable(params, vars, 0);
12267 }
12268 } else {
12269 if (USES_WARPCORE(bp))
12270 bnx2x_xmac_enable(params, vars, 0);
12271 else
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012272 bnx2x_bmac_enable(params, vars, 0, 1);
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012273 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012274
Yaniv Rosner503976e2012-11-27 03:46:34 +000012275 if (params->loopback_mode == LOOPBACK_XGXS) {
12276 /* Set 10G XGXS loopback */
12277 int_phy->config_loopback(int_phy, params);
12278 } else {
12279 /* Set external phy loopback */
12280 u8 phy_index;
12281 for (phy_index = EXT_PHY1;
12282 phy_index < params->num_phys; phy_index++)
12283 if (params->phy[phy_index].config_loopback)
12284 params->phy[phy_index].config_loopback(
12285 &params->phy[phy_index],
12286 params);
12287 }
12288 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012289
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012290 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012291}
12292
Merav Sicron55c11942012-11-07 00:45:48 +000012293void bnx2x_set_rx_filter(struct link_params *params, u8 en)
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012294{
12295 struct bnx2x *bp = params->bp;
12296 u8 val = en * 0x1F;
12297
Yaniv Rosner503976e2012-11-27 03:46:34 +000012298 /* Open / close the gate between the NIG and the BRB */
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012299 if (!CHIP_IS_E1x(bp))
12300 val |= en * 0x20;
12301 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
12302
12303 if (!CHIP_IS_E1(bp)) {
12304 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
12305 en*0x3);
12306 }
12307
12308 REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
12309 NIG_REG_LLH0_BRB1_NOT_MCP), en);
12310}
12311static int bnx2x_avoid_link_flap(struct link_params *params,
12312 struct link_vars *vars)
12313{
12314 u32 phy_idx;
12315 u32 dont_clear_stat, lfa_sts;
12316 struct bnx2x *bp = params->bp;
12317
12318 /* Sync the link parameters */
12319 bnx2x_link_status_update(params, vars);
12320
12321 /*
12322 * The module verification was already done by previous link owner,
12323 * so this call is meant only to get warning message
12324 */
12325
12326 for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
12327 struct bnx2x_phy *phy = &params->phy[phy_idx];
12328 if (phy->phy_specific_func) {
12329 DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
12330 phy->phy_specific_func(phy, params, PHY_INIT);
12331 }
12332 if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
12333 (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
12334 (phy->media_type == ETH_PHY_DA_TWINAX))
12335 bnx2x_verify_sfp_module(phy, params);
12336 }
12337 lfa_sts = REG_RD(bp, params->lfa_base +
12338 offsetof(struct shmem_lfa,
12339 lfa_sts));
12340
12341 dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
12342
12343 /* Re-enable the NIG/MAC */
12344 if (CHIP_IS_E3(bp)) {
12345 if (!dont_clear_stat) {
12346 REG_WR(bp, GRCBASE_MISC +
12347 MISC_REGISTERS_RESET_REG_2_CLEAR,
12348 (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12349 params->port));
12350 REG_WR(bp, GRCBASE_MISC +
12351 MISC_REGISTERS_RESET_REG_2_SET,
12352 (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12353 params->port));
12354 }
12355 if (vars->line_speed < SPEED_10000)
12356 bnx2x_umac_enable(params, vars, 0);
12357 else
12358 bnx2x_xmac_enable(params, vars, 0);
12359 } else {
12360 if (vars->line_speed < SPEED_10000)
12361 bnx2x_emac_enable(params, vars, 0);
12362 else
12363 bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
12364 }
12365
12366 /* Increment LFA count */
12367 lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
12368 (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
12369 LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
12370 << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
12371 /* Clear link flap reason */
12372 lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12373
12374 REG_WR(bp, params->lfa_base +
12375 offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12376
12377 /* Disable NIG DRAIN */
12378 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12379
12380 /* Enable interrupts */
12381 bnx2x_link_int_enable(params);
12382 return 0;
12383}
12384
12385static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
12386 struct link_vars *vars,
12387 int lfa_status)
12388{
12389 u32 lfa_sts, cfg_idx, tmp_val;
12390 struct bnx2x *bp = params->bp;
12391
12392 bnx2x_link_reset(params, vars, 1);
12393
12394 if (!params->lfa_base)
12395 return;
12396 /* Store the new link parameters */
12397 REG_WR(bp, params->lfa_base +
12398 offsetof(struct shmem_lfa, req_duplex),
12399 params->req_duplex[0] | (params->req_duplex[1] << 16));
12400
12401 REG_WR(bp, params->lfa_base +
12402 offsetof(struct shmem_lfa, req_flow_ctrl),
12403 params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
12404
12405 REG_WR(bp, params->lfa_base +
12406 offsetof(struct shmem_lfa, req_line_speed),
12407 params->req_line_speed[0] | (params->req_line_speed[1] << 16));
12408
12409 for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
12410 REG_WR(bp, params->lfa_base +
12411 offsetof(struct shmem_lfa,
12412 speed_cap_mask[cfg_idx]),
12413 params->speed_cap_mask[cfg_idx]);
12414 }
12415
12416 tmp_val = REG_RD(bp, params->lfa_base +
12417 offsetof(struct shmem_lfa, additional_config));
12418 tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
12419 tmp_val |= params->req_fc_auto_adv;
12420
12421 REG_WR(bp, params->lfa_base +
12422 offsetof(struct shmem_lfa, additional_config), tmp_val);
12423
12424 lfa_sts = REG_RD(bp, params->lfa_base +
12425 offsetof(struct shmem_lfa, lfa_sts));
12426
12427 /* Clear the "Don't Clear Statistics" bit, and set reason */
12428 lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
12429
12430 /* Set link flap reason */
12431 lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12432 lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
12433 LFA_LINK_FLAP_REASON_OFFSET);
12434
12435 /* Increment link flap counter */
12436 lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
12437 (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
12438 LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
12439 << LINK_FLAP_COUNT_OFFSET));
12440 REG_WR(bp, params->lfa_base +
12441 offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12442 /* Proceed with regular link initialization */
12443}
12444
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012445int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012446{
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012447 int lfa_status;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012448 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012449 DP(NETIF_MSG_LINK, "Phy Initialization started\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012450 DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
12451 params->req_line_speed[0], params->req_flow_ctrl[0]);
12452 DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
12453 params->req_line_speed[1], params->req_flow_ctrl[1]);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012454 vars->link_status = 0;
12455 vars->phy_link_up = 0;
12456 vars->link_up = 0;
12457 vars->line_speed = 0;
12458 vars->duplex = DUPLEX_FULL;
12459 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12460 vars->mac_type = MAC_TYPE_NONE;
12461 vars->phy_flags = 0;
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012462 /* Driver opens NIG-BRB filters */
12463 bnx2x_set_rx_filter(params, 1);
12464 /* Check if link flap can be avoided */
12465 lfa_status = bnx2x_check_lfa(params);
12466
12467 if (lfa_status == 0) {
12468 DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
12469 return bnx2x_avoid_link_flap(params, vars);
12470 }
12471
12472 DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
12473 lfa_status);
12474 bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012475
Yuval Mintzd2310232012-06-20 19:05:19 +000012476 /* Disable attentions */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012477 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
12478 (NIG_MASK_XGXS0_LINK_STATUS |
12479 NIG_MASK_XGXS0_LINK10G |
12480 NIG_MASK_SERDES0_LINK_STATUS |
12481 NIG_MASK_MI_INT));
12482
12483 bnx2x_emac_init(params, vars);
12484
Yaniv Rosner27d91292012-04-04 01:28:54 +000012485 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
12486 vars->link_status |= LINK_STATUS_PFC_ENABLED;
12487
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012488 if (params->num_phys == 0) {
12489 DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
12490 return -EINVAL;
12491 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012492 set_phy_vars(params, vars);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012493
12494 DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012495 switch (params->loopback_mode) {
12496 case LOOPBACK_BMAC:
12497 bnx2x_init_bmac_loopback(params, vars);
12498 break;
12499 case LOOPBACK_EMAC:
12500 bnx2x_init_emac_loopback(params, vars);
12501 break;
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012502 case LOOPBACK_XMAC:
12503 bnx2x_init_xmac_loopback(params, vars);
12504 break;
12505 case LOOPBACK_UMAC:
12506 bnx2x_init_umac_loopback(params, vars);
12507 break;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012508 case LOOPBACK_XGXS:
12509 case LOOPBACK_EXT_PHY:
12510 bnx2x_init_xgxs_loopback(params, vars);
12511 break;
12512 default:
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012513 if (!CHIP_IS_E3(bp)) {
12514 if (params->switch_cfg == SWITCH_CFG_10G)
12515 bnx2x_xgxs_deassert(params);
12516 else
12517 bnx2x_serdes_deassert(bp, params->port);
12518 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012519 bnx2x_link_initialize(params, vars);
12520 msleep(30);
12521 bnx2x_link_int_enable(params);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012522 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012523 }
Yaniv Rosner55098c52012-04-03 18:41:27 +000012524 bnx2x_update_mng(params, vars->link_status);
Yuval Mintzc8c60d82012-06-06 17:13:07 +000012525
12526 bnx2x_update_mng_eee(params, vars->eee_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012527 return 0;
12528}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012529
12530int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
12531 u8 reset_ext_phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012532{
12533 struct bnx2x *bp = params->bp;
Yaniv Rosnercf1d9722010-11-01 05:32:34 +000012534 u8 phy_index, port = params->port, clear_latch_ind = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012535 DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
Yuval Mintzd2310232012-06-20 19:05:19 +000012536 /* Disable attentions */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012537 vars->link_status = 0;
12538 bnx2x_update_mng(params, vars->link_status);
Yuval Mintzc8c60d82012-06-06 17:13:07 +000012539 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
12540 SHMEM_EEE_ACTIVE_BIT);
12541 bnx2x_update_mng_eee(params, vars->eee_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012542 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012543 (NIG_MASK_XGXS0_LINK_STATUS |
12544 NIG_MASK_XGXS0_LINK10G |
12545 NIG_MASK_SERDES0_LINK_STATUS |
12546 NIG_MASK_MI_INT));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012547
Yuval Mintzd2310232012-06-20 19:05:19 +000012548 /* Activate nig drain */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012549 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
12550
Yuval Mintzd2310232012-06-20 19:05:19 +000012551 /* Disable nig egress interface */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012552 if (!CHIP_IS_E3(bp)) {
12553 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
12554 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
12555 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012556
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012557 if (!CHIP_IS_E3(bp)) {
12558 bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
12559 } else {
12560 bnx2x_set_xmac_rxtx(params, 0);
12561 bnx2x_set_umac_rxtx(params, 0);
12562 }
Yuval Mintzd2310232012-06-20 19:05:19 +000012563 /* Disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012564 if (!CHIP_IS_E3(bp))
12565 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012566
Yuval Mintzd2310232012-06-20 19:05:19 +000012567 usleep_range(10000, 20000);
Lucas De Marchi25985ed2011-03-30 22:57:33 -030012568 /* The PHY reset is controlled by GPIO 1
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012569 * Hold it as vars low
12570 */
Yuval Mintzd2310232012-06-20 19:05:19 +000012571 /* Clear link led */
Yaniv Rosner55386fe82012-11-27 03:46:30 +000012572 bnx2x_set_mdio_emac_per_phy(bp, params);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000012573 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
12574
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012575 if (reset_ext_phy) {
12576 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
12577 phy_index++) {
Yaniv Rosner28f48812011-08-02 23:00:12 +000012578 if (params->phy[phy_index].link_reset) {
12579 bnx2x_set_aer_mmd(params,
12580 &params->phy[phy_index]);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012581 params->phy[phy_index].link_reset(
12582 &params->phy[phy_index],
12583 params);
Yaniv Rosner28f48812011-08-02 23:00:12 +000012584 }
Yaniv Rosnercf1d9722010-11-01 05:32:34 +000012585 if (params->phy[phy_index].flags &
12586 FLAGS_REARM_LATCH_SIGNAL)
12587 clear_latch_ind = 1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012588 }
12589 }
12590
Yaniv Rosnercf1d9722010-11-01 05:32:34 +000012591 if (clear_latch_ind) {
12592 /* Clear latching indication */
12593 bnx2x_rearm_latch_signal(bp, port, 0);
12594 bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
12595 1 << NIG_LATCH_BC_ENABLE_MI_INT);
12596 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012597 if (params->phy[INT_PHY].link_reset)
12598 params->phy[INT_PHY].link_reset(
12599 &params->phy[INT_PHY], params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012600
Yuval Mintzd2310232012-06-20 19:05:19 +000012601 /* Disable nig ingress interface */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012602 if (!CHIP_IS_E3(bp)) {
Yuval Mintzd2310232012-06-20 19:05:19 +000012603 /* Reset BigMac */
Yaniv Rosnerce7c0482011-10-27 05:09:47 +000012604 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
12605 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012606 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
12607 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
Yaniv Rosnerce7c0482011-10-27 05:09:47 +000012608 } else {
12609 u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
12610 bnx2x_set_xumac_nig(params, 0, 0);
12611 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
12612 MISC_REGISTERS_RESET_REG_2_XMAC)
12613 REG_WR(bp, xmac_base + XMAC_REG_CTRL,
12614 XMAC_CTRL_REG_SOFT_RESET);
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012615 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012616 vars->link_up = 0;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012617 vars->phy_flags = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012618 return 0;
12619}
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012620int bnx2x_lfa_reset(struct link_params *params,
12621 struct link_vars *vars)
12622{
12623 struct bnx2x *bp = params->bp;
12624 vars->link_up = 0;
12625 vars->phy_flags = 0;
12626 if (!params->lfa_base)
12627 return bnx2x_link_reset(params, vars, 1);
12628 /*
12629 * Activate NIG drain so that during this time the device won't send
12630 * anything while it is unable to response.
12631 */
12632 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
12633
12634 /*
12635 * Close gracefully the gate from BMAC to NIG such that no half packets
12636 * are passed.
12637 */
12638 if (!CHIP_IS_E3(bp))
12639 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
12640
12641 if (CHIP_IS_E3(bp)) {
12642 bnx2x_set_xmac_rxtx(params, 0);
12643 bnx2x_set_umac_rxtx(params, 0);
12644 }
12645 /* Wait 10ms for the pipe to clean up*/
12646 usleep_range(10000, 20000);
12647
12648 /* Clean the NIG-BRB using the network filters in a way that will
12649 * not cut a packet in the middle.
12650 */
12651 bnx2x_set_rx_filter(params, 0);
12652
12653 /*
12654 * Re-open the gate between the BMAC and the NIG, after verifying the
12655 * gate to the BRB is closed, otherwise packets may arrive to the
12656 * firmware before driver had initialized it. The target is to achieve
12657 * minimum management protocol down time.
12658 */
12659 if (!CHIP_IS_E3(bp))
12660 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
12661
12662 if (CHIP_IS_E3(bp)) {
12663 bnx2x_set_xmac_rxtx(params, 1);
12664 bnx2x_set_umac_rxtx(params, 1);
12665 }
12666 /* Disable NIG drain */
12667 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12668 return 0;
12669}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012670
12671/****************************************************************************/
12672/* Common function */
12673/****************************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012674static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
12675 u32 shmem_base_path[],
12676 u32 shmem2_base_path[], u8 phy_index,
12677 u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012678{
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012679 struct bnx2x_phy phy[PORT_MAX];
12680 struct bnx2x_phy *phy_blk[PORT_MAX];
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012681 u16 val;
Yaniv Rosnerc8e64df2011-01-30 04:15:00 +000012682 s8 port = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012683 s8 port_of_path = 0;
Yaniv Rosnerc8e64df2011-01-30 04:15:00 +000012684 u32 swap_val, swap_override;
12685 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12686 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
12687 port ^= (swap_val && swap_override);
12688 bnx2x_ext_phy_hw_reset(bp, port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012689 /* PART1 - Reset both phys */
12690 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012691 u32 shmem_base, shmem2_base;
12692 /* In E2, same phy is using for port0 of the two paths */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012693 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012694 shmem_base = shmem_base_path[0];
12695 shmem2_base = shmem2_base_path[0];
12696 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012697 } else {
12698 shmem_base = shmem_base_path[port];
12699 shmem2_base = shmem2_base_path[port];
12700 port_of_path = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012701 }
12702
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012703 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012704 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012705 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012706 0) {
12707 DP(NETIF_MSG_LINK, "populate_phy failed\n");
12708 return -EINVAL;
12709 }
Yuval Mintzd2310232012-06-20 19:05:19 +000012710 /* Disable attentions */
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +000012711 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12712 port_of_path*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012713 (NIG_MASK_XGXS0_LINK_STATUS |
12714 NIG_MASK_XGXS0_LINK10G |
12715 NIG_MASK_SERDES0_LINK_STATUS |
12716 NIG_MASK_MI_INT));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012717
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012718 /* Need to take the phy out of low power mode in order
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012719 * to write to access its registers
12720 */
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012721 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012722 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12723 port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012724
12725 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012726 bnx2x_cl45_write(bp, &phy[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012727 MDIO_PMA_DEVAD,
12728 MDIO_PMA_REG_CTRL,
12729 1<<15);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012730 }
12731
12732 /* Add delay of 150ms after reset */
12733 msleep(150);
12734
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012735 if (phy[PORT_0].addr & 0x1) {
12736 phy_blk[PORT_0] = &(phy[PORT_1]);
12737 phy_blk[PORT_1] = &(phy[PORT_0]);
12738 } else {
12739 phy_blk[PORT_0] = &(phy[PORT_0]);
12740 phy_blk[PORT_1] = &(phy[PORT_1]);
12741 }
12742
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012743 /* PART2 - Download firmware to both phys */
12744 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012745 if (CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012746 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012747 else
12748 port_of_path = 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012749
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012750 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12751 phy_blk[port]->addr);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +000012752 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12753 port_of_path))
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012754 return -EINVAL;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012755
12756 /* Only set bit 10 = 1 (Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012757 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012758 MDIO_PMA_DEVAD,
12759 MDIO_PMA_REG_TX_POWER_DOWN, &val);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012760
12761 /* Phase1 of TX_POWER_DOWN reset */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012762 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012763 MDIO_PMA_DEVAD,
12764 MDIO_PMA_REG_TX_POWER_DOWN,
12765 (val | 1<<10));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012766 }
12767
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012768 /* Toggle Transmitter: Power down and then up with 600ms delay
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000012769 * between
12770 */
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012771 msleep(600);
12772
12773 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
12774 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Eilon Greensteinf5372252009-02-12 08:38:30 +000012775 /* Phase2 of POWER_DOWN_RESET */
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012776 /* Release bit 10 (Release Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012777 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012778 MDIO_PMA_DEVAD,
12779 MDIO_PMA_REG_TX_POWER_DOWN, &val);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012780
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012781 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012782 MDIO_PMA_DEVAD,
12783 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
Yuval Mintzd2310232012-06-20 19:05:19 +000012784 usleep_range(15000, 30000);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012785
12786 /* Read modify write the SPI-ROM version select register */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012787 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012788 MDIO_PMA_DEVAD,
12789 MDIO_PMA_REG_EDC_FFE_MAIN, &val);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012790 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012791 MDIO_PMA_DEVAD,
12792 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012793
12794 /* set GPIO2 back to LOW */
12795 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012796 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012797 }
12798 return 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012799}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012800static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
12801 u32 shmem_base_path[],
12802 u32 shmem2_base_path[], u8 phy_index,
12803 u32 chip_id)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012804{
12805 u32 val;
12806 s8 port;
12807 struct bnx2x_phy phy;
12808 /* Use port1 because of the static port-swap */
12809 /* Enable the module detection interrupt */
12810 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
12811 val |= ((1<<MISC_REGISTERS_GPIO_3)|
12812 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
12813 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
12814
Yaniv Rosner650154b2010-11-01 05:32:36 +000012815 bnx2x_ext_phy_hw_reset(bp, 0);
Yuval Mintzd2310232012-06-20 19:05:19 +000012816 usleep_range(5000, 10000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012817 for (port = 0; port < PORT_MAX; port++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012818 u32 shmem_base, shmem2_base;
12819
12820 /* In E2, same phy is using for port0 of the two paths */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012821 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012822 shmem_base = shmem_base_path[0];
12823 shmem2_base = shmem2_base_path[0];
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012824 } else {
12825 shmem_base = shmem_base_path[port];
12826 shmem2_base = shmem2_base_path[port];
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012827 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012828 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012829 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012830 port, &phy) !=
12831 0) {
12832 DP(NETIF_MSG_LINK, "populate phy failed\n");
12833 return -EINVAL;
12834 }
12835
12836 /* Reset phy*/
12837 bnx2x_cl45_write(bp, &phy,
12838 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
12839
12840
12841 /* Set fault module detected LED on */
12842 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012843 MISC_REGISTERS_GPIO_HIGH,
12844 port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012845 }
12846
12847 return 0;
12848}
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000012849static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
12850 u8 *io_gpio, u8 *io_port)
12851{
12852
12853 u32 phy_gpio_reset = REG_RD(bp, shmem_base +
12854 offsetof(struct shmem_region,
12855 dev_info.port_hw_config[PORT_0].default_cfg));
12856 switch (phy_gpio_reset) {
12857 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
12858 *io_gpio = 0;
12859 *io_port = 0;
12860 break;
12861 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
12862 *io_gpio = 1;
12863 *io_port = 0;
12864 break;
12865 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
12866 *io_gpio = 2;
12867 *io_port = 0;
12868 break;
12869 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
12870 *io_gpio = 3;
12871 *io_port = 0;
12872 break;
12873 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
12874 *io_gpio = 0;
12875 *io_port = 1;
12876 break;
12877 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
12878 *io_gpio = 1;
12879 *io_port = 1;
12880 break;
12881 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
12882 *io_gpio = 2;
12883 *io_port = 1;
12884 break;
12885 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
12886 *io_gpio = 3;
12887 *io_port = 1;
12888 break;
12889 default:
12890 /* Don't override the io_gpio and io_port */
12891 break;
12892 }
12893}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012894
12895static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
12896 u32 shmem_base_path[],
12897 u32 shmem2_base_path[], u8 phy_index,
12898 u32 chip_id)
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012899{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000012900 s8 port, reset_gpio;
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012901 u32 swap_val, swap_override;
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012902 struct bnx2x_phy phy[PORT_MAX];
12903 struct bnx2x_phy *phy_blk[PORT_MAX];
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012904 s8 port_of_path;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012905 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12906 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012907
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000012908 reset_gpio = MISC_REGISTERS_GPIO_1;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012909 port = 1;
12910
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012911 /* Retrieve the reset gpio/port which control the reset.
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000012912 * Default is GPIO1, PORT1
12913 */
12914 bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
12915 (u8 *)&reset_gpio, (u8 *)&port);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012916
12917 /* Calculate the port based on port swap */
12918 port ^= (swap_val && swap_override);
12919
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000012920 /* Initiate PHY reset*/
12921 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
12922 port);
Yaniv Rosner503976e2012-11-27 03:46:34 +000012923 usleep_range(1000, 2000);
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000012924 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12925 port);
12926
Yuval Mintzd2310232012-06-20 19:05:19 +000012927 usleep_range(5000, 10000);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012928
12929 /* PART1 - Reset both phys */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012930 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012931 u32 shmem_base, shmem2_base;
12932
12933 /* In E2, same phy is using for port0 of the two paths */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012934 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012935 shmem_base = shmem_base_path[0];
12936 shmem2_base = shmem2_base_path[0];
12937 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012938 } else {
12939 shmem_base = shmem_base_path[port];
12940 shmem2_base = shmem2_base_path[port];
12941 port_of_path = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012942 }
12943
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012944 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012945 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012946 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012947 0) {
12948 DP(NETIF_MSG_LINK, "populate phy failed\n");
12949 return -EINVAL;
12950 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012951 /* disable attentions */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012952 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12953 port_of_path*4,
12954 (NIG_MASK_XGXS0_LINK_STATUS |
12955 NIG_MASK_XGXS0_LINK10G |
12956 NIG_MASK_SERDES0_LINK_STATUS |
12957 NIG_MASK_MI_INT));
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012958
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012959
12960 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012961 bnx2x_cl45_write(bp, &phy[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012962 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012963 }
12964
12965 /* Add delay of 150ms after reset */
12966 msleep(150);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012967 if (phy[PORT_0].addr & 0x1) {
12968 phy_blk[PORT_0] = &(phy[PORT_1]);
12969 phy_blk[PORT_1] = &(phy[PORT_0]);
12970 } else {
12971 phy_blk[PORT_0] = &(phy[PORT_0]);
12972 phy_blk[PORT_1] = &(phy[PORT_1]);
12973 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012974 /* PART2 - Download firmware to both phys */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012975 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012976 if (CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012977 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012978 else
12979 port_of_path = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012980 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12981 phy_blk[port]->addr);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +000012982 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12983 port_of_path))
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012984 return -EINVAL;
Yaniv Rosner85242ee2011-07-05 01:06:53 +000012985 /* Disable PHY transmitter output */
12986 bnx2x_cl45_write(bp, phy_blk[port],
12987 MDIO_PMA_DEVAD,
12988 MDIO_PMA_REG_TX_DISABLE, 1);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012989
Yaniv Rosner5c99274b2011-01-18 04:33:36 +000012990 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012991 return 0;
12992}
12993
Yaniv Rosner521683d2011-11-28 00:49:48 +000012994static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
12995 u32 shmem_base_path[],
12996 u32 shmem2_base_path[],
12997 u8 phy_index,
12998 u32 chip_id)
12999{
13000 u8 reset_gpios;
Yaniv Rosner521683d2011-11-28 00:49:48 +000013001 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
13002 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
13003 udelay(10);
13004 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
13005 DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
13006 reset_gpios);
Yaniv Rosner521683d2011-11-28 00:49:48 +000013007 return 0;
13008}
13009
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000013010static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000013011 struct bnx2x_phy *phy,
13012 u8 port)
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000013013{
13014 u16 val, cnt;
13015 /* Wait for FW completing its initialization. */
13016 for (cnt = 0; cnt < 1500; cnt++) {
13017 bnx2x_cl45_read(bp, phy,
13018 MDIO_PMA_DEVAD,
13019 MDIO_PMA_REG_CTRL, &val);
13020 if (!(val & (1<<15)))
13021 break;
Yaniv Rosner503976e2012-11-27 03:46:34 +000013022 usleep_range(1000, 2000);
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000013023 }
13024 if (cnt >= 1500) {
13025 DP(NETIF_MSG_LINK, "84833 reset timeout\n");
13026 return -EINVAL;
13027 }
13028
13029 /* Put the port in super isolate mode. */
13030 bnx2x_cl45_read(bp, phy,
13031 MDIO_CTL_DEVAD,
13032 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
13033 val |= MDIO_84833_SUPER_ISOLATE;
13034 bnx2x_cl45_write(bp, phy,
13035 MDIO_CTL_DEVAD,
13036 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
13037
13038 /* Save spirom version */
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000013039 bnx2x_save_848xx_spirom_version(phy, bp, port);
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000013040 return 0;
13041}
13042
13043int bnx2x_pre_init_phy(struct bnx2x *bp,
13044 u32 shmem_base,
13045 u32 shmem2_base,
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000013046 u32 chip_id,
13047 u8 port)
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000013048{
13049 int rc = 0;
13050 struct bnx2x_phy phy;
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000013051 if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000013052 port, &phy) != 0) {
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000013053 DP(NETIF_MSG_LINK, "populate_phy failed\n");
13054 return -EINVAL;
13055 }
Yaniv Rosner55386fe82012-11-27 03:46:30 +000013056 bnx2x_set_mdio_clk(bp, chip_id, phy.mdio_ctrl);
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000013057 switch (phy.type) {
13058 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000013059 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
13060 rc = bnx2x_84833_pre_init_phy(bp, &phy, port);
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000013061 break;
13062 default:
13063 break;
13064 }
13065 return rc;
13066}
Yaniv Rosner521683d2011-11-28 00:49:48 +000013067
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000013068static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
13069 u32 shmem2_base_path[], u8 phy_index,
13070 u32 ext_phy_type, u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -070013071{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000013072 int rc = 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070013073
13074 switch (ext_phy_type) {
13075 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013076 rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
13077 shmem2_base_path,
13078 phy_index, chip_id);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070013079 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +000013080 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Eilon Greenstein4d295db2009-07-21 05:47:47 +000013081 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
13082 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013083 rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
13084 shmem2_base_path,
13085 phy_index, chip_id);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000013086 break;
13087
Eilon Greenstein589abe32009-02-12 08:36:55 +000013088 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000013089 /* GPIO1 affects both ports, so there's need to pull
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000013090 * it for single port alone
13091 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013092 rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
13093 shmem2_base_path,
13094 phy_index, chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013095 break;
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000013096 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000013097 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000013098 /* GPIO3's are linked, and so both need to be toggled
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000013099 * to obtain required 2us pulse.
13100 */
Yaniv Rosner521683d2011-11-28 00:49:48 +000013101 rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
13102 shmem2_base_path,
13103 phy_index, chip_id);
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000013104 break;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013105 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
13106 rc = -EINVAL;
Yaniv Rosner4f60dab2009-11-05 19:18:23 +020013107 break;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070013108 default:
13109 DP(NETIF_MSG_LINK,
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000013110 "ext_phy 0x%x common init not required\n",
13111 ext_phy_type);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070013112 break;
13113 }
13114
Yuval Mintzd2310232012-06-20 19:05:19 +000013115 if (rc)
Yaniv Rosner6d870c32011-01-31 04:22:20 +000013116 netdev_err(bp->dev, "Warning: PHY was not initialized,"
13117 " Port %d\n",
13118 0);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070013119 return rc;
13120}
13121
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000013122int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
13123 u32 shmem2_base_path[], u32 chip_id)
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013124{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000013125 int rc = 0;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000013126 u32 phy_ver, val;
13127 u8 phy_index = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013128 u32 ext_phy_type, ext_phy_config;
Yaniv Rosner55386fe82012-11-27 03:46:30 +000013129
13130 bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
13131 bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013132 DP(NETIF_MSG_LINK, "Begin common phy init\n");
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000013133 if (CHIP_IS_E3(bp)) {
13134 /* Enable EPIO */
13135 val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
13136 REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
13137 }
Yaniv Rosnerb21a3422011-01-18 04:33:24 +000013138 /* Check if common init was already done */
13139 phy_ver = REG_RD(bp, shmem_base_path[0] +
13140 offsetof(struct shmem_region,
13141 port_mb[PORT_0].ext_phy_fw_version));
13142 if (phy_ver) {
13143 DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
13144 phy_ver);
13145 return 0;
13146 }
13147
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013148 /* Read the ext_phy_type for arbitrary port(0) */
13149 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13150 phy_index++) {
13151 ext_phy_config = bnx2x_get_ext_phy_config(bp,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013152 shmem_base_path[0],
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013153 phy_index, 0);
13154 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013155 rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
13156 shmem2_base_path,
13157 phy_index, ext_phy_type,
13158 chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013159 }
13160 return rc;
13161}
13162
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013163static void bnx2x_check_over_curr(struct link_params *params,
13164 struct link_vars *vars)
13165{
13166 struct bnx2x *bp = params->bp;
13167 u32 cfg_pin;
13168 u8 port = params->port;
13169 u32 pin_val;
13170
13171 cfg_pin = (REG_RD(bp, params->shmem_base +
13172 offsetof(struct shmem_region,
13173 dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
13174 PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
13175 PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
13176
13177 /* Ignore check if no external input PIN available */
13178 if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
13179 return;
13180
13181 if (!pin_val) {
13182 if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
13183 netdev_err(bp->dev, "Error: Power fault on Port %d has"
13184 " been detected and the power to "
13185 "that SFP+ module has been removed"
13186 " to prevent failure of the card."
13187 " Please remove the SFP+ module and"
13188 " restart the system to clear this"
13189 " error.\n",
13190 params->port);
13191 vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +000013192 bnx2x_warpcore_power_module(params, 0);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013193 }
13194 } else
13195 vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
13196}
13197
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013198/* Returns 0 if no change occured since last check; 1 otherwise. */
13199static u8 bnx2x_analyze_link_error(struct link_params *params,
13200 struct link_vars *vars, u32 status,
13201 u32 phy_flag, u32 link_flag, u8 notify)
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013202{
13203 struct bnx2x *bp = params->bp;
13204 /* Compare new value with previous value */
13205 u8 led_mode;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013206 u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013207
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013208 if ((status ^ old_status) == 0)
13209 return 0;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013210
13211 /* If values differ */
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013212 switch (phy_flag) {
13213 case PHY_HALF_OPEN_CONN_FLAG:
13214 DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
13215 break;
13216 case PHY_SFP_TX_FAULT_FLAG:
13217 DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
13218 break;
13219 default:
Masanari Iidaefc7ce02012-11-02 04:36:17 +000013220 DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013221 }
13222 DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
13223 old_status, status);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013224
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000013225 /* a. Update shmem->link_status accordingly
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013226 * b. Update link_vars->link_up
13227 */
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013228 if (status) {
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013229 vars->link_status &= ~LINK_STATUS_LINK_UP;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013230 vars->link_status |= link_flag;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013231 vars->link_up = 0;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013232 vars->phy_flags |= phy_flag;
Yaniv Rosner55098c52012-04-03 18:41:27 +000013233
13234 /* activate nig drain */
13235 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000013236 /* Set LED mode to off since the PHY doesn't know about these
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013237 * errors
13238 */
13239 led_mode = LED_MODE_OFF;
13240 } else {
13241 vars->link_status |= LINK_STATUS_LINK_UP;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013242 vars->link_status &= ~link_flag;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013243 vars->link_up = 1;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013244 vars->phy_flags &= ~phy_flag;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013245 led_mode = LED_MODE_OPER;
Yaniv Rosner55098c52012-04-03 18:41:27 +000013246
13247 /* Clear nig drain */
13248 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013249 }
Yaniv Rosner55098c52012-04-03 18:41:27 +000013250 bnx2x_sync_link(params, vars);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013251 /* Update the LED according to the link state */
13252 bnx2x_set_led(params, vars, led_mode, SPEED_10000);
13253
13254 /* Update link status in the shared memory */
13255 bnx2x_update_mng(params, vars->link_status);
13256
13257 /* C. Trigger General Attention */
13258 vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
Yaniv Rosner55098c52012-04-03 18:41:27 +000013259 if (notify)
13260 bnx2x_notify_link_changed(bp);
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013261
13262 return 1;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013263}
13264
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013265/******************************************************************************
13266* Description:
13267* This function checks for half opened connection change indication.
13268* When such change occurs, it calls the bnx2x_analyze_link_error
13269* to check if Remote Fault is set or cleared. Reception of remote fault
13270* status message in the MAC indicates that the peer's MAC has detected
13271* a fault, for example, due to break in the TX side of fiber.
13272*
13273******************************************************************************/
Yaniv Rosner55098c52012-04-03 18:41:27 +000013274int bnx2x_check_half_open_conn(struct link_params *params,
13275 struct link_vars *vars,
13276 u8 notify)
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013277{
13278 struct bnx2x *bp = params->bp;
13279 u32 lss_status = 0;
13280 u32 mac_base;
13281 /* In case link status is physically up @ 10G do */
Yaniv Rosner55098c52012-04-03 18:41:27 +000013282 if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
13283 (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
13284 return 0;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013285
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013286 if (CHIP_IS_E3(bp) &&
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013287 (REG_RD(bp, MISC_REG_RESET_REG_2) &
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013288 (MISC_REGISTERS_RESET_REG_2_XMAC))) {
13289 /* Check E3 XMAC */
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000013290 /* Note that link speed cannot be queried here, since it may be
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013291 * zero while link is down. In case UMAC is active, LSS will
13292 * simply not be set
13293 */
13294 mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
13295
13296 /* Clear stick bits (Requires rising edge) */
13297 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
13298 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
13299 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
13300 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
13301 if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
13302 lss_status = 1;
13303
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013304 bnx2x_analyze_link_error(params, vars, lss_status,
13305 PHY_HALF_OPEN_CONN_FLAG,
13306 LINK_STATUS_NONE, notify);
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013307 } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
13308 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013309 /* Check E1X / E2 BMAC */
13310 u32 lss_status_reg;
13311 u32 wb_data[2];
13312 mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
13313 NIG_REG_INGRESS_BMAC0_MEM;
13314 /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
13315 if (CHIP_IS_E2(bp))
13316 lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
13317 else
13318 lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
13319
13320 REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
13321 lss_status = (wb_data[0] > 0);
13322
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013323 bnx2x_analyze_link_error(params, vars, lss_status,
13324 PHY_HALF_OPEN_CONN_FLAG,
13325 LINK_STATUS_NONE, notify);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013326 }
Yaniv Rosner55098c52012-04-03 18:41:27 +000013327 return 0;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013328}
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013329static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
13330 struct link_params *params,
13331 struct link_vars *vars)
13332{
13333 struct bnx2x *bp = params->bp;
13334 u32 cfg_pin, value = 0;
13335 u8 led_change, port = params->port;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013336
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013337 /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
13338 cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
13339 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
13340 PORT_HW_CFG_E3_TX_FAULT_MASK) >>
13341 PORT_HW_CFG_E3_TX_FAULT_SHIFT;
13342
13343 if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
13344 DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
13345 return;
13346 }
13347
13348 led_change = bnx2x_analyze_link_error(params, vars, value,
13349 PHY_SFP_TX_FAULT_FLAG,
13350 LINK_STATUS_SFP_TX_FAULT, 1);
13351
13352 if (led_change) {
13353 /* Change TX_Fault led, set link status for further syncs */
13354 u8 led_mode;
13355
13356 if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
13357 led_mode = MISC_REGISTERS_GPIO_HIGH;
13358 vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
13359 } else {
13360 led_mode = MISC_REGISTERS_GPIO_LOW;
13361 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13362 }
13363
13364 /* If module is unapproved, led should be on regardless */
13365 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
13366 DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
13367 led_mode);
13368 bnx2x_set_e3_module_fault_led(params, led_mode);
13369 }
13370 }
13371}
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000013372static void bnx2x_disable_kr2(struct link_params *params,
13373 struct link_vars *vars,
13374 struct bnx2x_phy *phy)
13375{
13376 struct bnx2x *bp = params->bp;
13377 int i;
13378 static struct bnx2x_reg_set reg_set[] = {
13379 /* Step 1 - Program the TX/RX alignment markers */
13380 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
13381 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
13382 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
13383 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
13384 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
13385 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
13386 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
13387 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
13388 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
13389 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
13390 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
13391 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
13392 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
13393 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
13394 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
13395 };
13396 DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
13397
Sasha Levinb5a05552012-12-20 09:11:24 +000013398 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000013399 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
13400 reg_set[i].val);
13401 vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
13402 bnx2x_update_link_attr(params, vars->link_attr_sync);
13403
13404 /* Restart AN on leading lane */
13405 bnx2x_warpcore_restart_AN_KR(phy, params);
13406}
13407
13408static void bnx2x_kr2_recovery(struct link_params *params,
13409 struct link_vars *vars,
13410 struct bnx2x_phy *phy)
13411{
13412 struct bnx2x *bp = params->bp;
13413 DP(NETIF_MSG_LINK, "KR2 recovery\n");
13414 bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
13415 bnx2x_warpcore_restart_AN_KR(phy, params);
13416}
13417
13418static void bnx2x_check_kr2_wa(struct link_params *params,
13419 struct link_vars *vars,
13420 struct bnx2x_phy *phy)
13421{
13422 struct bnx2x *bp = params->bp;
13423 u16 base_page, next_page, not_kr2_device, lane;
13424 int sigdet = bnx2x_warpcore_get_sigdet(phy, params);
13425
13426 if (!sigdet) {
13427 if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE))
13428 bnx2x_kr2_recovery(params, vars, phy);
13429 return;
13430 }
13431
13432 lane = bnx2x_get_warpcore_lane(phy, params);
13433 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
13434 MDIO_AER_BLOCK_AER_REG, lane);
13435 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13436 MDIO_AN_REG_LP_AUTO_NEG, &base_page);
13437 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13438 MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
13439 bnx2x_set_aer_mmd(params, phy);
13440
13441 /* CL73 has not begun yet */
13442 if (base_page == 0) {
13443 if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE))
13444 bnx2x_kr2_recovery(params, vars, phy);
13445 return;
13446 }
13447
13448 /* In case NP bit is not set in the BasePage, or it is set,
13449 * but only KX is advertised, declare this link partner as non-KR2
13450 * device.
13451 */
13452 not_kr2_device = (((base_page & 0x8000) == 0) ||
13453 (((base_page & 0x8000) &&
13454 ((next_page & 0xe0) == 0x2))));
13455
13456 /* In case KR2 is already disabled, check if we need to re-enable it */
13457 if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13458 if (!not_kr2_device) {
13459 DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
Yaniv Rosnerfd5dfca2012-11-27 03:46:36 +000013460 next_page);
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000013461 bnx2x_kr2_recovery(params, vars, phy);
13462 }
13463 return;
13464 }
13465 /* KR2 is enabled, but not KR2 device */
13466 if (not_kr2_device) {
13467 /* Disable KR2 on both lanes */
13468 DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
13469 bnx2x_disable_kr2(params, vars, phy);
13470 return;
13471 }
13472}
13473
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013474void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
13475{
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013476 u16 phy_idx;
Yaniv Rosner55098c52012-04-03 18:41:27 +000013477 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013478 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
13479 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
13480 bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
Yaniv Rosner55098c52012-04-03 18:41:27 +000013481 if (bnx2x_check_half_open_conn(params, vars, 1) !=
13482 0)
13483 DP(NETIF_MSG_LINK, "Fault detection failed\n");
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013484 break;
13485 }
13486 }
13487
Yaniv Rosnera9077bf2011-10-27 05:09:46 +000013488 if (CHIP_IS_E3(bp)) {
13489 struct bnx2x_phy *phy = &params->phy[INT_PHY];
13490 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000013491 if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
13492 (phy->speed_cap_mask & SPEED_20000))
13493 bnx2x_check_kr2_wa(params, vars, phy);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013494 bnx2x_check_over_curr(params, vars);
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013495 if (vars->rx_tx_asic_rst)
13496 bnx2x_warpcore_config_runtime(phy, params, vars);
13497
13498 if ((REG_RD(bp, params->shmem_base +
13499 offsetof(struct shmem_region, dev_info.
13500 port_hw_config[params->port].default_cfg))
13501 & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
13502 PORT_HW_CFG_NET_SERDES_IF_SFI) {
13503 if (bnx2x_is_sfp_module_plugged(phy, params)) {
13504 bnx2x_sfp_tx_fault_detection(phy, params, vars);
13505 } else if (vars->link_status &
13506 LINK_STATUS_SFP_TX_FAULT) {
13507 /* Clean trail, interrupt corrects the leds */
13508 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13509 vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
13510 /* Update link status in the shared memory */
13511 bnx2x_update_mng(params, vars->link_status);
13512 }
13513 }
Yaniv Rosnera9077bf2011-10-27 05:09:46 +000013514 }
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013515}
13516
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000013517u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
13518 u32 shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013519 u32 shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000013520 u8 port)
13521{
13522 u8 phy_index, fan_failure_det_req = 0;
13523 struct bnx2x_phy phy;
13524 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13525 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013526 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000013527 port, &phy)
13528 != 0) {
13529 DP(NETIF_MSG_LINK, "populate phy failed\n");
13530 return 0;
13531 }
13532 fan_failure_det_req |= (phy.flags &
13533 FLAGS_FAN_FAILURE_DET_REQ);
13534 }
13535 return fan_failure_det_req;
13536}
13537
13538void bnx2x_hw_reset_phy(struct link_params *params)
13539{
13540 u8 phy_index;
Yaniv Rosner985848f2011-07-05 01:06:48 +000013541 struct bnx2x *bp = params->bp;
13542 bnx2x_update_mng(params, 0);
13543 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
13544 (NIG_MASK_XGXS0_LINK_STATUS |
13545 NIG_MASK_XGXS0_LINK10G |
13546 NIG_MASK_SERDES0_LINK_STATUS |
13547 NIG_MASK_MI_INT));
13548
13549 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000013550 phy_index++) {
13551 if (params->phy[phy_index].hw_reset) {
13552 params->phy[phy_index].hw_reset(
13553 &params->phy[phy_index],
13554 params);
13555 params->phy[phy_index] = phy_null;
13556 }
13557 }
13558}
Yaniv Rosner020c7e32011-05-31 21:28:43 +000013559
13560void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
13561 u32 chip_id, u32 shmem_base, u32 shmem2_base,
13562 u8 port)
13563{
13564 u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
13565 u32 val;
13566 u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000013567 if (CHIP_IS_E3(bp)) {
13568 if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
13569 shmem_base,
13570 port,
13571 &gpio_num,
13572 &gpio_port) != 0)
13573 return;
13574 } else {
Yaniv Rosner020c7e32011-05-31 21:28:43 +000013575 struct bnx2x_phy phy;
13576 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13577 phy_index++) {
13578 if (bnx2x_populate_phy(bp, phy_index, shmem_base,
13579 shmem2_base, port, &phy)
13580 != 0) {
13581 DP(NETIF_MSG_LINK, "populate phy failed\n");
13582 return;
13583 }
13584 if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
13585 gpio_num = MISC_REGISTERS_GPIO_3;
13586 gpio_port = port;
13587 break;
13588 }
13589 }
13590 }
13591
13592 if (gpio_num == 0xff)
13593 return;
13594
13595 /* Set GPIO3 to trigger SFP+ module insertion/removal */
13596 bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
13597
13598 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13599 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13600 gpio_port ^= (swap_val && swap_override);
13601
13602 vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
13603 (gpio_num + (gpio_port << 2));
13604
13605 sync_offset = shmem_base +
13606 offsetof(struct shmem_region,
13607 dev_info.port_hw_config[port].aeu_int_mask);
13608 REG_WR(bp, sync_offset, vars->aeu_int_mask);
13609
13610 DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
13611 gpio_num, gpio_port, vars->aeu_int_mask);
13612
13613 if (port == 0)
13614 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
13615 else
13616 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
13617
13618 /* Open appropriate AEU for interrupts */
13619 aeu_mask = REG_RD(bp, offset);
13620 aeu_mask |= vars->aeu_int_mask;
13621 REG_WR(bp, offset, aeu_mask);
13622
13623 /* Enable the GPIO to trigger interrupt */
13624 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
13625 val |= 1 << (gpio_num + (gpio_port << 2));
13626 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
13627}