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Ariel Elior85b26ea2012-01-26 06:01:54 +00001/* Copyright 2008-2012 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
257 /* Verify that loopback mode is not set */
258 if (params->loopback_mode)
259 return LFA_LOOPBACK_ENABLED;
260
261 /* Verify that MFW supports LFA */
262 if (!params->lfa_base)
263 return LFA_MFW_IS_TOO_OLD;
264
265 if (params->num_phys == 3) {
266 cfg_size = 2;
267 lfa_mask = 0xffffffff;
268 } else {
269 cfg_size = 1;
270 lfa_mask = 0xffff;
271 }
272
273 /* Compare Duplex */
274 saved_val = REG_RD(bp, params->lfa_base +
275 offsetof(struct shmem_lfa, req_duplex));
276 req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
277 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
278 DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
279 (saved_val & lfa_mask), (req_val & lfa_mask));
280 return LFA_DUPLEX_MISMATCH;
281 }
282 /* Compare Flow Control */
283 saved_val = REG_RD(bp, params->lfa_base +
284 offsetof(struct shmem_lfa, req_flow_ctrl));
285 req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
286 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
287 DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
288 (saved_val & lfa_mask), (req_val & lfa_mask));
289 return LFA_FLOW_CTRL_MISMATCH;
290 }
291 /* Compare Link Speed */
292 saved_val = REG_RD(bp, params->lfa_base +
293 offsetof(struct shmem_lfa, req_line_speed));
294 req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
295 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
296 DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
297 (saved_val & lfa_mask), (req_val & lfa_mask));
298 return LFA_LINK_SPEED_MISMATCH;
299 }
300
301 for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
302 cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
303 offsetof(struct shmem_lfa,
304 speed_cap_mask[cfg_idx]));
305
306 if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
307 DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
308 cur_speed_cap_mask,
309 params->speed_cap_mask[cfg_idx]);
310 return LFA_SPEED_CAP_MISMATCH;
311 }
312 }
313
314 cur_req_fc_auto_adv =
315 REG_RD(bp, params->lfa_base +
316 offsetof(struct shmem_lfa, additional_config)) &
317 REQ_FC_AUTO_ADV_MASK;
318
319 if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
320 DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
321 cur_req_fc_auto_adv, params->req_fc_auto_adv);
322 return LFA_FLOW_CTRL_MISMATCH;
323 }
324
325 eee_status = REG_RD(bp, params->shmem2_base +
326 offsetof(struct shmem2_region,
327 eee_status[params->port]));
328
329 if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
330 (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
331 ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
332 (params->eee_mode & EEE_MODE_ADV_LPI))) {
333 DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
334 eee_status);
335 return LFA_EEE_MISMATCH;
336 }
337
338 /* LFA conditions are met */
339 return 0;
340}
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000341/******************************************************************/
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000342/* EPIO/GPIO section */
343/******************************************************************/
Yaniv Rosner3deb8162011-06-14 01:34:33 +0000344static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
345{
346 u32 epio_mask, gp_oenable;
347 *en = 0;
348 /* Sanity check */
349 if (epio_pin > 31) {
350 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
351 return;
352 }
353
354 epio_mask = 1 << epio_pin;
355 /* Set this EPIO to output */
356 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
357 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
358
359 *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
360}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000361static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
362{
363 u32 epio_mask, gp_output, gp_oenable;
364
365 /* Sanity check */
366 if (epio_pin > 31) {
367 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
368 return;
369 }
370 DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
371 epio_mask = 1 << epio_pin;
372 /* Set this EPIO to output */
373 gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
374 if (en)
375 gp_output |= epio_mask;
376 else
377 gp_output &= ~epio_mask;
378
379 REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
380
381 /* Set the value for this EPIO */
382 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
383 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
384}
385
386static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
387{
388 if (pin_cfg == PIN_CFG_NA)
389 return;
390 if (pin_cfg >= PIN_CFG_EPIO0) {
391 bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
392 } else {
393 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
394 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
395 bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
396 }
397}
398
Yaniv Rosner3deb8162011-06-14 01:34:33 +0000399static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
400{
401 if (pin_cfg == PIN_CFG_NA)
402 return -EINVAL;
403 if (pin_cfg >= PIN_CFG_EPIO0) {
404 bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
405 } else {
406 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
407 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
408 *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
409 }
410 return 0;
411
412}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000413/******************************************************************/
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000414/* ETS section */
415/******************************************************************/
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000416static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000417{
418 /* ETS disabled configuration*/
419 struct bnx2x *bp = params->bp;
420
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000421 DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000422
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000423 /* mapping between entry priority to client number (0,1,2 -debug and
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000424 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
425 * 3bits client num.
426 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
427 * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
428 */
429
430 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000431 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000432 * as strict. Bits 0,1,2 - debug and management entries, 3 -
433 * COS0 entry, 4 - COS1 entry.
434 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
435 * bit4 bit3 bit2 bit1 bit0
436 * MCP and debug are strict
437 */
438
439 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
440 /* defines which entries (clients) are subjected to WFQ arbitration */
441 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000442 /* For strict priority entries defines the number of consecutive
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000443 * slots for the highest priority.
444 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000445 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000446 /* mapping between the CREDIT_WEIGHT registers and actual client
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000447 * numbers
448 */
449 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
450 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
451 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
452
453 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
454 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
455 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
456 /* ETS mode disable */
457 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000458 /* If ETS mode is enabled (there is no strict priority) defines a WFQ
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000459 * weight for COS0/COS1.
460 */
461 REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
462 REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
463 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
464 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
465 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
466 /* Defines the number of consecutive slots for the strict priority */
467 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
468}
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000469/******************************************************************************
470* Description:
471* Getting min_w_val will be set according to line speed .
472*.
473******************************************************************************/
474static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
475{
476 u32 min_w_val = 0;
477 /* Calculate min_w_val.*/
478 if (vars->link_up) {
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000479 if (vars->line_speed == SPEED_20000)
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000480 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
481 else
482 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
483 } else
484 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000485 /* If the link isn't up (static configuration for example ) The
486 * link will be according to 20GBPS.
487 */
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000488 return min_w_val;
489}
490/******************************************************************************
491* Description:
492* Getting credit upper bound form min_w_val.
493*.
494******************************************************************************/
495static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
496{
497 const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
498 MAX_PACKET_SIZE);
499 return credit_upper_bound;
500}
501/******************************************************************************
502* Description:
503* Set credit upper bound for NIG.
504*.
505******************************************************************************/
506static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
507 const struct link_params *params,
508 const u32 min_w_val)
509{
510 struct bnx2x *bp = params->bp;
511 const u8 port = params->port;
512 const u32 credit_upper_bound =
513 bnx2x_ets_get_credit_upper_bound(min_w_val);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000514
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000515 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
516 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
517 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
518 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
519 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
520 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
521 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
522 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
523 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
524 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
525 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
526 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
527
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000528 if (!port) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000529 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
530 credit_upper_bound);
531 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
532 credit_upper_bound);
533 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
534 credit_upper_bound);
535 }
536}
537/******************************************************************************
538* Description:
539* Will return the NIG ETS registers to init values.Except
540* credit_upper_bound.
541* That isn't used in this configuration (No WFQ is enabled) and will be
542* configured acording to spec
543*.
544******************************************************************************/
545static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
546 const struct link_vars *vars)
547{
548 struct bnx2x *bp = params->bp;
549 const u8 port = params->port;
550 const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000551 /* Mapping between entry priority to client number (0,1,2 -debug and
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000552 * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
553 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
554 * reset value or init tool
555 */
556 if (port) {
557 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
558 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
559 } else {
560 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
561 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
562 }
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000563 /* For strict priority entries defines the number of consecutive
564 * slots for the highest priority.
565 */
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000566 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
567 NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000568 /* Mapping between the CREDIT_WEIGHT registers and actual client
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000569 * numbers
570 */
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000571 if (port) {
572 /*Port 1 has 6 COS*/
573 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
574 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
575 } else {
576 /*Port 0 has 9 COS*/
577 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
578 0x43210876);
579 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
580 }
581
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000582 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000583 * as strict. Bits 0,1,2 - debug and management entries, 3 -
584 * COS0 entry, 4 - COS1 entry.
585 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
586 * bit4 bit3 bit2 bit1 bit0
587 * MCP and debug are strict
588 */
589 if (port)
590 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
591 else
592 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
593 /* defines which entries (clients) are subjected to WFQ arbitration */
594 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
595 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
596
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000597 /* Please notice the register address are note continuous and a
598 * for here is note appropriate.In 2 port mode port0 only COS0-5
599 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
600 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
601 * are never used for WFQ
602 */
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000603 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
604 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
605 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
606 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
607 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
608 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
609 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
610 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
611 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
612 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
613 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
614 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000615 if (!port) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000616 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
617 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
618 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
619 }
620
621 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
622}
623/******************************************************************************
624* Description:
625* Set credit upper bound for PBF.
626*.
627******************************************************************************/
628static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
629 const struct link_params *params,
630 const u32 min_w_val)
631{
632 struct bnx2x *bp = params->bp;
633 const u32 credit_upper_bound =
634 bnx2x_ets_get_credit_upper_bound(min_w_val);
635 const u8 port = params->port;
636 u32 base_upper_bound = 0;
637 u8 max_cos = 0;
638 u8 i = 0;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000639 /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
640 * port mode port1 has COS0-2 that can be used for WFQ.
641 */
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000642 if (!port) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000643 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
644 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
645 } else {
646 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
647 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
648 }
649
650 for (i = 0; i < max_cos; i++)
651 REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
652}
653
654/******************************************************************************
655* Description:
656* Will return the PBF ETS registers to init values.Except
657* credit_upper_bound.
658* That isn't used in this configuration (No WFQ is enabled) and will be
659* configured acording to spec
660*.
661******************************************************************************/
662static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
663{
664 struct bnx2x *bp = params->bp;
665 const u8 port = params->port;
666 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
667 u8 i = 0;
668 u32 base_weight = 0;
669 u8 max_cos = 0;
670
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000671 /* Mapping between entry priority to client number 0 - COS0
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000672 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
673 * TODO_ETS - Should be done by reset value or init tool
674 */
675 if (port)
676 /* 0x688 (|011|0 10|00 1|000) */
677 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
678 else
679 /* (10 1|100 |011|0 10|00 1|000) */
680 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
681
682 /* TODO_ETS - Should be done by reset value or init tool */
683 if (port)
684 /* 0x688 (|011|0 10|00 1|000)*/
685 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
686 else
687 /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
688 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
689
690 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
691 PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
692
693
694 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
695 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
696
697 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
698 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000699 /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
700 * In 4 port mode port1 has COS0-2 that can be used for WFQ.
701 */
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000702 if (!port) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000703 base_weight = PBF_REG_COS0_WEIGHT_P0;
704 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
705 } else {
706 base_weight = PBF_REG_COS0_WEIGHT_P1;
707 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
708 }
709
710 for (i = 0; i < max_cos; i++)
711 REG_WR(bp, base_weight + (0x4 * i), 0);
712
713 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
714}
715/******************************************************************************
716* Description:
717* E3B0 disable will return basicly the values to init values.
718*.
719******************************************************************************/
720static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
721 const struct link_vars *vars)
722{
723 struct bnx2x *bp = params->bp;
724
725 if (!CHIP_IS_E3B0(bp)) {
Joe Perches94f05b02011-08-14 12:16:20 +0000726 DP(NETIF_MSG_LINK,
727 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000728 return -EINVAL;
729 }
730
731 bnx2x_ets_e3b0_nig_disabled(params, vars);
732
733 bnx2x_ets_e3b0_pbf_disabled(params);
734
735 return 0;
736}
737
738/******************************************************************************
739* Description:
740* Disable will return basicly the values to init values.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000741*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000742******************************************************************************/
743int bnx2x_ets_disabled(struct link_params *params,
744 struct link_vars *vars)
745{
746 struct bnx2x *bp = params->bp;
747 int bnx2x_status = 0;
748
749 if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
750 bnx2x_ets_e2e3a0_disabled(params);
751 else if (CHIP_IS_E3B0(bp))
752 bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
753 else {
754 DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
755 return -EINVAL;
756 }
757
758 return bnx2x_status;
759}
760
761/******************************************************************************
762* Description
763* Set the COS mappimg to SP and BW until this point all the COS are not
764* set as SP or BW.
765******************************************************************************/
766static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
767 const struct bnx2x_ets_params *ets_params,
768 const u8 cos_sp_bitmap,
769 const u8 cos_bw_bitmap)
770{
771 struct bnx2x *bp = params->bp;
772 const u8 port = params->port;
773 const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
774 const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
775 const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
776 const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
777
778 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
779 NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
780
781 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
782 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
783
784 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
785 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
786 nig_cli_subject2wfq_bitmap);
787
788 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
789 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
790 pbf_cli_subject2wfq_bitmap);
791
792 return 0;
793}
794
795/******************************************************************************
796* Description:
797* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
798* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
799******************************************************************************/
800static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
801 const u8 cos_entry,
802 const u32 min_w_val_nig,
803 const u32 min_w_val_pbf,
804 const u16 total_bw,
805 const u8 bw,
806 const u8 port)
807{
808 u32 nig_reg_adress_crd_weight = 0;
809 u32 pbf_reg_adress_crd_weight = 0;
David S. Miller8decf862011-09-22 03:23:13 -0400810 /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
811 const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
812 const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000813
814 switch (cos_entry) {
815 case 0:
816 nig_reg_adress_crd_weight =
817 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
818 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
819 pbf_reg_adress_crd_weight = (port) ?
820 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
821 break;
822 case 1:
823 nig_reg_adress_crd_weight = (port) ?
824 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
825 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
826 pbf_reg_adress_crd_weight = (port) ?
827 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
828 break;
829 case 2:
830 nig_reg_adress_crd_weight = (port) ?
831 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
832 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
833
834 pbf_reg_adress_crd_weight = (port) ?
835 PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
836 break;
837 case 3:
838 if (port)
839 return -EINVAL;
840 nig_reg_adress_crd_weight =
841 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
842 pbf_reg_adress_crd_weight =
843 PBF_REG_COS3_WEIGHT_P0;
844 break;
845 case 4:
846 if (port)
847 return -EINVAL;
848 nig_reg_adress_crd_weight =
849 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
850 pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
851 break;
852 case 5:
853 if (port)
854 return -EINVAL;
855 nig_reg_adress_crd_weight =
856 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
857 pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
858 break;
859 }
860
861 REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
862
863 REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
864
865 return 0;
866}
867/******************************************************************************
868* Description:
869* Calculate the total BW.A value of 0 isn't legal.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000870*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000871******************************************************************************/
872static int bnx2x_ets_e3b0_get_total_bw(
873 const struct link_params *params,
Yaniv Rosner870516e12011-11-28 00:49:46 +0000874 struct bnx2x_ets_params *ets_params,
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000875 u16 *total_bw)
876{
877 struct bnx2x *bp = params->bp;
878 u8 cos_idx = 0;
Yaniv Rosner870516e12011-11-28 00:49:46 +0000879 u8 is_bw_cos_exist = 0;
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000880
881 *total_bw = 0 ;
882 /* Calculate total BW requested */
883 for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000884 if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
Yaniv Rosner870516e12011-11-28 00:49:46 +0000885 is_bw_cos_exist = 1;
886 if (!ets_params->cos[cos_idx].params.bw_params.bw) {
887 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
888 "was set to 0\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000889 /* This is to prevent a state when ramrods
Yaniv Rosner870516e12011-11-28 00:49:46 +0000890 * can't be sent
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000891 */
Yaniv Rosner870516e12011-11-28 00:49:46 +0000892 ets_params->cos[cos_idx].params.bw_params.bw
893 = 1;
894 }
David S. Miller8decf862011-09-22 03:23:13 -0400895 *total_bw +=
896 ets_params->cos[cos_idx].params.bw_params.bw;
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000897 }
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000898 }
899
David S. Miller8decf862011-09-22 03:23:13 -0400900 /* Check total BW is valid */
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000901 if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
902 if (*total_bw == 0) {
Joe Perches94f05b02011-08-14 12:16:20 +0000903 DP(NETIF_MSG_LINK,
Yaniv Rosner2f751a82011-11-28 00:49:52 +0000904 "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000905 return -EINVAL;
906 }
Joe Perches94f05b02011-08-14 12:16:20 +0000907 DP(NETIF_MSG_LINK,
Yaniv Rosner2f751a82011-11-28 00:49:52 +0000908 "bnx2x_ets_E3B0_config total BW should be 100\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000909 /* We can handle a case whre the BW isn't 100 this can happen
Yaniv Rosner2f751a82011-11-28 00:49:52 +0000910 * if the TC are joined.
911 */
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000912 }
913 return 0;
914}
915
916/******************************************************************************
917* Description:
918* Invalidate all the sp_pri_to_cos.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000919*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000920******************************************************************************/
921static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
922{
923 u8 pri = 0;
924 for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
925 sp_pri_to_cos[pri] = DCBX_INVALID_COS;
926}
927/******************************************************************************
928* Description:
929* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
930* according to sp_pri_to_cos.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000931*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000932******************************************************************************/
933static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
934 u8 *sp_pri_to_cos, const u8 pri,
935 const u8 cos_entry)
936{
937 struct bnx2x *bp = params->bp;
938 const u8 port = params->port;
939 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
940 DCBX_E3B0_MAX_NUM_COS_PORT0;
941
Dan Carpenter7e5998a2012-04-17 20:53:42 +0000942 if (pri >= max_num_of_cos) {
943 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
944 "parameter Illegal strict priority\n");
945 return -EINVAL;
946 }
947
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000948 if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000949 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
Joe Perches94f05b02011-08-14 12:16:20 +0000950 "parameter There can't be two COS's with "
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000951 "the same strict pri\n");
952 return -EINVAL;
953 }
954
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000955 sp_pri_to_cos[pri] = cos_entry;
956 return 0;
957
958}
959
960/******************************************************************************
961* Description:
962* Returns the correct value according to COS and priority in
963* the sp_pri_cli register.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000964*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000965******************************************************************************/
966static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
967 const u8 pri_set,
968 const u8 pri_offset,
969 const u8 entry_size)
970{
971 u64 pri_cli_nig = 0;
972 pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
973 (pri_set + pri_offset));
974
975 return pri_cli_nig;
976}
977/******************************************************************************
978* Description:
979* Returns the correct value according to COS and priority in the
980* sp_pri_cli register for NIG.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000981*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000982******************************************************************************/
983static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
984{
985 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
986 const u8 nig_cos_offset = 3;
987 const u8 nig_pri_offset = 3;
988
989 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
990 nig_pri_offset, 4);
991
992}
993/******************************************************************************
994* Description:
995* Returns the correct value according to COS and priority in the
996* sp_pri_cli register for PBF.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000997*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000998******************************************************************************/
999static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
1000{
1001 const u8 pbf_cos_offset = 0;
1002 const u8 pbf_pri_offset = 0;
1003
1004 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
1005 pbf_pri_offset, 3);
1006
1007}
1008
1009/******************************************************************************
1010* Description:
1011* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
1012* according to sp_pri_to_cos.(which COS has higher priority)
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001013*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001014******************************************************************************/
1015static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
1016 u8 *sp_pri_to_cos)
1017{
1018 struct bnx2x *bp = params->bp;
1019 u8 i = 0;
1020 const u8 port = params->port;
1021 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
1022 u64 pri_cli_nig = 0x210;
1023 u32 pri_cli_pbf = 0x0;
1024 u8 pri_set = 0;
1025 u8 pri_bitmask = 0;
1026 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1027 DCBX_E3B0_MAX_NUM_COS_PORT0;
1028
1029 u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
1030
1031 /* Set all the strict priority first */
1032 for (i = 0; i < max_num_of_cos; i++) {
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001033 if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
1034 if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001035 DP(NETIF_MSG_LINK,
1036 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1037 "invalid cos entry\n");
1038 return -EINVAL;
1039 }
1040
1041 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1042 sp_pri_to_cos[i], pri_set);
1043
1044 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1045 sp_pri_to_cos[i], pri_set);
1046 pri_bitmask = 1 << sp_pri_to_cos[i];
1047 /* COS is used remove it from bitmap.*/
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001048 if (!(pri_bitmask & cos_bit_to_set)) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001049 DP(NETIF_MSG_LINK,
1050 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1051 "invalid There can't be two COS's with"
1052 " the same strict pri\n");
1053 return -EINVAL;
1054 }
1055 cos_bit_to_set &= ~pri_bitmask;
1056 pri_set++;
1057 }
1058 }
1059
1060 /* Set all the Non strict priority i= COS*/
1061 for (i = 0; i < max_num_of_cos; i++) {
1062 pri_bitmask = 1 << i;
1063 /* Check if COS was already used for SP */
1064 if (pri_bitmask & cos_bit_to_set) {
1065 /* COS wasn't used for SP */
1066 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1067 i, pri_set);
1068
1069 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1070 i, pri_set);
1071 /* COS is used remove it from bitmap.*/
1072 cos_bit_to_set &= ~pri_bitmask;
1073 pri_set++;
1074 }
1075 }
1076
1077 if (pri_set != max_num_of_cos) {
1078 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
1079 "entries were set\n");
1080 return -EINVAL;
1081 }
1082
1083 if (port) {
1084 /* Only 6 usable clients*/
1085 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1086 (u32)pri_cli_nig);
1087
1088 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
1089 } else {
1090 /* Only 9 usable clients*/
1091 const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
1092 const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
1093
1094 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1095 pri_cli_nig_lsb);
1096 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1097 pri_cli_nig_msb);
1098
1099 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
1100 }
1101 return 0;
1102}
1103
1104/******************************************************************************
1105* Description:
1106* Configure the COS to ETS according to BW and SP settings.
1107******************************************************************************/
1108int bnx2x_ets_e3b0_config(const struct link_params *params,
1109 const struct link_vars *vars,
Yaniv Rosner870516e12011-11-28 00:49:46 +00001110 struct bnx2x_ets_params *ets_params)
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001111{
1112 struct bnx2x *bp = params->bp;
1113 int bnx2x_status = 0;
1114 const u8 port = params->port;
1115 u16 total_bw = 0;
1116 const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
1117 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
1118 u8 cos_bw_bitmap = 0;
1119 u8 cos_sp_bitmap = 0;
1120 u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
1121 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1122 DCBX_E3B0_MAX_NUM_COS_PORT0;
1123 u8 cos_entry = 0;
1124
1125 if (!CHIP_IS_E3B0(bp)) {
Joe Perches94f05b02011-08-14 12:16:20 +00001126 DP(NETIF_MSG_LINK,
1127 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001128 return -EINVAL;
1129 }
1130
1131 if ((ets_params->num_of_cos > max_num_of_cos)) {
1132 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
1133 "isn't supported\n");
1134 return -EINVAL;
1135 }
1136
1137 /* Prepare sp strict priority parameters*/
1138 bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1139
1140 /* Prepare BW parameters*/
1141 bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
1142 &total_bw);
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001143 if (bnx2x_status) {
Joe Perches94f05b02011-08-14 12:16:20 +00001144 DP(NETIF_MSG_LINK,
1145 "bnx2x_ets_E3B0_config get_total_bw failed\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001146 return -EINVAL;
1147 }
1148
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001149 /* Upper bound is set according to current link speed (min_w_val
Yaniv Rosner2f751a82011-11-28 00:49:52 +00001150 * should be the same for upper bound and COS credit val).
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001151 */
1152 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
1153 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1154
1155
1156 for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
1157 if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
1158 cos_bw_bitmap |= (1 << cos_entry);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001159 /* The function also sets the BW in HW(not the mappin
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001160 * yet)
1161 */
1162 bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
1163 bp, cos_entry, min_w_val_nig, min_w_val_pbf,
1164 total_bw,
1165 ets_params->cos[cos_entry].params.bw_params.bw,
1166 port);
1167 } else if (bnx2x_cos_state_strict ==
1168 ets_params->cos[cos_entry].state){
1169 cos_sp_bitmap |= (1 << cos_entry);
1170
1171 bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
1172 params,
1173 sp_pri_to_cos,
1174 ets_params->cos[cos_entry].params.sp_params.pri,
1175 cos_entry);
1176
1177 } else {
Joe Perches94f05b02011-08-14 12:16:20 +00001178 DP(NETIF_MSG_LINK,
1179 "bnx2x_ets_e3b0_config cos state not valid\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001180 return -EINVAL;
1181 }
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001182 if (bnx2x_status) {
Joe Perches94f05b02011-08-14 12:16:20 +00001183 DP(NETIF_MSG_LINK,
1184 "bnx2x_ets_e3b0_config set cos bw failed\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001185 return bnx2x_status;
1186 }
1187 }
1188
1189 /* Set SP register (which COS has higher priority) */
1190 bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
1191 sp_pri_to_cos);
1192
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001193 if (bnx2x_status) {
Joe Perches94f05b02011-08-14 12:16:20 +00001194 DP(NETIF_MSG_LINK,
1195 "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001196 return bnx2x_status;
1197 }
1198
1199 /* Set client mapping of BW and strict */
1200 bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
1201 cos_sp_bitmap,
1202 cos_bw_bitmap);
1203
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001204 if (bnx2x_status) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001205 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
1206 return bnx2x_status;
1207 }
1208 return 0;
1209}
Yaniv Rosner65a001b2011-01-31 04:22:03 +00001210static void bnx2x_ets_bw_limit_common(const struct link_params *params)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001211{
1212 /* ETS disabled configuration */
1213 struct bnx2x *bp = params->bp;
1214 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001215 /* Defines which entries (clients) are subjected to WFQ arbitration
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001216 * COS0 0x8
1217 * COS1 0x10
1218 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001219 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001220 /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001221 * client numbers (WEIGHT_0 does not actually have to represent
1222 * client 0)
1223 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1224 * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
1225 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001226 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
1227
1228 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
1229 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1230 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
1231 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1232
1233 /* ETS mode enabled*/
1234 REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
1235
1236 /* Defines the number of consecutive slots for the strict priority */
1237 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001238 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001239 * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
1240 * entry, 4 - COS1 entry.
1241 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1242 * bit4 bit3 bit2 bit1 bit0
1243 * MCP and debug are strict
1244 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001245 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
1246
1247 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
1248 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
1249 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1250 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
1251 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1252}
1253
1254void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
1255 const u32 cos1_bw)
1256{
1257 /* ETS disabled configuration*/
1258 struct bnx2x *bp = params->bp;
1259 const u32 total_bw = cos0_bw + cos1_bw;
1260 u32 cos0_credit_weight = 0;
1261 u32 cos1_credit_weight = 0;
1262
1263 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1264
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001265 if ((!total_bw) ||
1266 (!cos0_bw) ||
1267 (!cos1_bw)) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001268 DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001269 return;
1270 }
1271
1272 cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1273 total_bw;
1274 cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1275 total_bw;
1276
1277 bnx2x_ets_bw_limit_common(params);
1278
1279 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
1280 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
1281
1282 REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
1283 REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
1284}
1285
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001286int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001287{
1288 /* ETS disabled configuration*/
1289 struct bnx2x *bp = params->bp;
1290 u32 val = 0;
1291
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001292 DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001293 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001294 * as strict. Bits 0,1,2 - debug and management entries,
1295 * 3 - COS0 entry, 4 - COS1 entry.
1296 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1297 * bit4 bit3 bit2 bit1 bit0
1298 * MCP and debug are strict
1299 */
1300 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001301 /* For strict priority entries defines the number of consecutive slots
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001302 * for the highest priority.
1303 */
1304 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1305 /* ETS mode disable */
1306 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
1307 /* Defines the number of consecutive slots for the strict priority */
1308 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
1309
1310 /* Defines the number of consecutive slots for the strict priority */
1311 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
1312
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001313 /* Mapping between entry priority to client number (0,1,2 -debug and
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001314 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
1315 * 3bits client num.
1316 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1317 * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
1318 * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
1319 */
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001320 val = (!strict_cos) ? 0x2318 : 0x22E0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001321 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
1322
1323 return 0;
1324}
Yuval Mintzc8c60d82012-06-06 17:13:07 +00001325
1326/******************************************************************/
Dmitry Kravkove8920672011-05-04 23:52:40 +00001327/* PFC section */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001328/******************************************************************/
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001329static void bnx2x_update_pfc_xmac(struct link_params *params,
1330 struct link_vars *vars,
1331 u8 is_lb)
1332{
1333 struct bnx2x *bp = params->bp;
1334 u32 xmac_base;
1335 u32 pause_val, pfc0_val, pfc1_val;
1336
1337 /* XMAC base adrr */
1338 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1339
1340 /* Initialize pause and pfc registers */
1341 pause_val = 0x18000;
1342 pfc0_val = 0xFFFF8000;
1343 pfc1_val = 0x2;
1344
1345 /* No PFC support */
1346 if (!(params->feature_config_flags &
1347 FEATURE_CONFIG_PFC_ENABLED)) {
1348
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001349 /* RX flow control - Process pause frame in receive direction
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001350 */
1351 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1352 pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
1353
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001354 /* TX flow control - Send pause packet when buffer is full */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001355 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1356 pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
1357 } else {/* PFC support */
1358 pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
1359 XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
1360 XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
Yaniv Rosner27d91292012-04-04 01:28:54 +00001361 XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
1362 XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1363 /* Write pause and PFC registers */
1364 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1365 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1366 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1367 pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1368
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001369 }
1370
1371 /* Write pause and PFC registers */
1372 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1373 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1374 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1375
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001376
1377 /* Set MAC address for source TX Pause/PFC frames */
1378 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
1379 ((params->mac_addr[2] << 24) |
1380 (params->mac_addr[3] << 16) |
1381 (params->mac_addr[4] << 8) |
1382 (params->mac_addr[5])));
1383 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
1384 ((params->mac_addr[0] << 8) |
1385 (params->mac_addr[1])));
1386
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001387 udelay(30);
1388}
1389
1390
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001391static void bnx2x_emac_get_pfc_stat(struct link_params *params,
1392 u32 pfc_frames_sent[2],
1393 u32 pfc_frames_received[2])
1394{
1395 /* Read pfc statistic */
1396 struct bnx2x *bp = params->bp;
1397 u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1398 u32 val_xon = 0;
1399 u32 val_xoff = 0;
1400
1401 DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
1402
1403 /* PFC received frames */
1404 val_xoff = REG_RD(bp, emac_base +
1405 EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
1406 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
1407 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
1408 val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
1409
1410 pfc_frames_received[0] = val_xon + val_xoff;
1411
1412 /* PFC received sent */
1413 val_xoff = REG_RD(bp, emac_base +
1414 EMAC_REG_RX_PFC_STATS_XOFF_SENT);
1415 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
1416 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
1417 val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
1418
1419 pfc_frames_sent[0] = val_xon + val_xoff;
1420}
1421
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001422/* Read pfc statistic*/
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001423void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
1424 u32 pfc_frames_sent[2],
1425 u32 pfc_frames_received[2])
1426{
1427 /* Read pfc statistic */
1428 struct bnx2x *bp = params->bp;
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001429
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001430 DP(NETIF_MSG_LINK, "pfc statistic\n");
1431
1432 if (!vars->link_up)
1433 return;
1434
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001435 if (vars->mac_type == MAC_TYPE_EMAC) {
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001436 DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001437 bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
1438 pfc_frames_received);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001439 }
1440}
1441/******************************************************************/
1442/* MAC/PBF section */
1443/******************************************************************/
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001444static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id,
1445 u32 emac_base)
Yaniv Rosnera198c142011-05-31 21:29:42 +00001446{
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001447 u32 new_mode, cur_mode;
1448 u32 clc_cnt;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001449 /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
Yaniv Rosnera198c142011-05-31 21:29:42 +00001450 * (a value of 49==0x31) and make sure that the AUTO poll is off
1451 */
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001452 cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
Yaniv Rosnera198c142011-05-31 21:29:42 +00001453
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00001454 if (USES_WARPCORE(bp))
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001455 clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00001456 else
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001457 clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
Yaniv Rosnera198c142011-05-31 21:29:42 +00001458
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001459 if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
1460 (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
1461 return;
Yaniv Rosnera198c142011-05-31 21:29:42 +00001462
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001463 new_mode = cur_mode &
1464 ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
1465 new_mode |= clc_cnt;
1466 new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
1467
1468 DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n",
1469 cur_mode, new_mode);
1470 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
Yaniv Rosnera198c142011-05-31 21:29:42 +00001471 udelay(40);
1472}
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001473
1474static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp,
1475 struct link_params *params)
1476{
1477 u8 phy_index;
1478 /* Set mdio clock per phy */
1479 for (phy_index = INT_PHY; phy_index < params->num_phys;
1480 phy_index++)
1481 bnx2x_set_mdio_clk(bp, params->chip_id,
1482 params->phy[phy_index].mdio_ctrl);
1483}
1484
Yaniv Rosner2f751a82011-11-28 00:49:52 +00001485static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
1486{
1487 u32 port4mode_ovwr_val;
1488 /* Check 4-port override enabled */
1489 port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
1490 if (port4mode_ovwr_val & (1<<0)) {
1491 /* Return 4-port mode override value */
1492 return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
1493 }
1494 /* Return 4-port mode from input pin */
1495 return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
1496}
Yaniv Rosnera198c142011-05-31 21:29:42 +00001497
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001498static void bnx2x_emac_init(struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001499 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001500{
1501 /* reset and unreset the emac core */
1502 struct bnx2x *bp = params->bp;
1503 u8 port = params->port;
1504 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1505 u32 val;
1506 u16 timeout;
1507
1508 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001509 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001510 udelay(5);
1511 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001512 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001513
1514 /* init emac - use read-modify-write */
1515 /* self clear reset */
1516 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
Eilon Greenstein3196a882008-08-13 15:58:49 -07001517 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001518
1519 timeout = 200;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001520 do {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001521 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1522 DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
1523 if (!timeout) {
1524 DP(NETIF_MSG_LINK, "EMAC timeout!\n");
1525 return;
1526 }
1527 timeout--;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001528 } while (val & EMAC_MODE_RESET);
Yaniv Rosner55386fe82012-11-27 03:46:30 +00001529
1530 bnx2x_set_mdio_emac_per_phy(bp, params);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001531 /* Set mac address */
1532 val = ((params->mac_addr[0] << 8) |
1533 params->mac_addr[1]);
Eilon Greenstein3196a882008-08-13 15:58:49 -07001534 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001535
1536 val = ((params->mac_addr[2] << 24) |
1537 (params->mac_addr[3] << 16) |
1538 (params->mac_addr[4] << 8) |
1539 params->mac_addr[5]);
Eilon Greenstein3196a882008-08-13 15:58:49 -07001540 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001541}
1542
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001543static void bnx2x_set_xumac_nig(struct link_params *params,
1544 u16 tx_pause_en,
1545 u8 enable)
1546{
1547 struct bnx2x *bp = params->bp;
1548
1549 REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
1550 enable);
1551 REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
1552 enable);
1553 REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
1554 NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
1555}
1556
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001557static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001558{
1559 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001560 u32 val;
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001561 struct bnx2x *bp = params->bp;
1562 if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
1563 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
1564 return;
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001565 val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
1566 if (en)
1567 val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
1568 UMAC_COMMAND_CONFIG_REG_RX_ENA);
1569 else
1570 val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
1571 UMAC_COMMAND_CONFIG_REG_RX_ENA);
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001572 /* Disable RX and TX */
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001573 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001574}
1575
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001576static void bnx2x_umac_enable(struct link_params *params,
1577 struct link_vars *vars, u8 lb)
1578{
1579 u32 val;
1580 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1581 struct bnx2x *bp = params->bp;
1582 /* Reset UMAC */
1583 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1584 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
Yuval Mintzd2310232012-06-20 19:05:19 +00001585 usleep_range(1000, 2000);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001586
1587 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1588 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1589
1590 DP(NETIF_MSG_LINK, "enabling UMAC\n");
1591
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001592 /* This register opens the gate for the UMAC despite its name */
1593 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
1594
1595 val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
1596 UMAC_COMMAND_CONFIG_REG_PAD_EN |
1597 UMAC_COMMAND_CONFIG_REG_SW_RESET |
1598 UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
1599 switch (vars->line_speed) {
1600 case SPEED_10:
1601 val |= (0<<2);
1602 break;
1603 case SPEED_100:
1604 val |= (1<<2);
1605 break;
1606 case SPEED_1000:
1607 val |= (2<<2);
1608 break;
1609 case SPEED_2500:
1610 val |= (3<<2);
1611 break;
1612 default:
1613 DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
1614 vars->line_speed);
1615 break;
1616 }
Yaniv Rosner9d5b36b2011-08-02 22:59:10 +00001617 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1618 val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
1619
1620 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1621 val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
1622
Mintz Yuvale18c56b2012-02-15 02:10:23 +00001623 if (vars->duplex == DUPLEX_HALF)
1624 val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
1625
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001626 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1627 udelay(50);
1628
Yuval Mintz26964bb2012-09-10 05:51:08 +00001629 /* Configure UMAC for EEE */
1630 if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1631 DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
1632 REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
1633 UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
1634 REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
1635 } else {
1636 REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
1637 }
1638
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001639 /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
1640 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
1641 ((params->mac_addr[2] << 24) |
1642 (params->mac_addr[3] << 16) |
1643 (params->mac_addr[4] << 8) |
1644 (params->mac_addr[5])));
1645 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
1646 ((params->mac_addr[0] << 8) |
1647 (params->mac_addr[1])));
1648
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001649 /* Enable RX and TX */
1650 val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
1651 val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00001652 UMAC_COMMAND_CONFIG_REG_RX_ENA;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001653 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1654 udelay(50);
1655
1656 /* Remove SW Reset */
1657 val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
1658
1659 /* Check loopback mode */
1660 if (lb)
1661 val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
1662 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1663
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001664 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001665 * length used by the MAC receive logic to check frames.
1666 */
1667 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
1668 bnx2x_set_xumac_nig(params,
1669 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1670 vars->mac_type = MAC_TYPE_UMAC;
1671
1672}
1673
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001674/* Define the XMAC mode */
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001675static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001676{
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001677 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001678 u32 is_port4mode = bnx2x_is_4_port_mode(bp);
1679
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001680 /* In 4-port mode, need to set the mode only once, so if XMAC is
Yaniv Rosner2f751a82011-11-28 00:49:52 +00001681 * already out of reset, it means the mode has already been set,
1682 * and it must not* reset the XMAC again, since it controls both
1683 * ports of the path
1684 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001685
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00001686 if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
1687 (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
1688 (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
1689 is_port4mode &&
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001690 (REG_RD(bp, MISC_REG_RESET_REG_2) &
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001691 MISC_REGISTERS_RESET_REG_2_XMAC)) {
Joe Perches94f05b02011-08-14 12:16:20 +00001692 DP(NETIF_MSG_LINK,
1693 "XMAC already out of reset in 4-port mode\n");
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001694 return;
1695 }
1696
1697 /* Hard reset */
1698 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1699 MISC_REGISTERS_RESET_REG_2_XMAC);
Yuval Mintzd2310232012-06-20 19:05:19 +00001700 usleep_range(1000, 2000);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001701
1702 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1703 MISC_REGISTERS_RESET_REG_2_XMAC);
1704 if (is_port4mode) {
1705 DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
1706
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001707 /* Set the number of ports on the system side to up to 2 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001708 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
1709
1710 /* Set the number of ports on the Warp Core to 10G */
1711 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1712 } else {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001713 /* Set the number of ports on the system side to 1 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001714 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
1715 if (max_speed == SPEED_10000) {
Joe Perches94f05b02011-08-14 12:16:20 +00001716 DP(NETIF_MSG_LINK,
1717 "Init XMAC to 10G x 1 port per path\n");
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001718 /* Set the number of ports on the Warp Core to 10G */
1719 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1720 } else {
Joe Perches94f05b02011-08-14 12:16:20 +00001721 DP(NETIF_MSG_LINK,
1722 "Init XMAC to 20G x 2 ports per path\n");
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001723 /* Set the number of ports on the Warp Core to 20G */
1724 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
1725 }
1726 }
1727 /* Soft reset */
1728 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1729 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
Yuval Mintzd2310232012-06-20 19:05:19 +00001730 usleep_range(1000, 2000);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001731
1732 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1733 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1734
1735}
1736
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001737static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001738{
1739 u8 port = params->port;
1740 struct bnx2x *bp = params->bp;
Yaniv Rosnerb5077662011-08-02 22:59:18 +00001741 u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001742 u32 val;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001743
1744 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1745 MISC_REGISTERS_RESET_REG_2_XMAC) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001746 /* Send an indication to change the state in the NIG back to XON
Yaniv Rosnerb5077662011-08-02 22:59:18 +00001747 * Clearing this bit enables the next set of this bit to get
1748 * rising edge
1749 */
1750 pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
1751 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1752 (pfc_ctrl & ~(1<<1)));
1753 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1754 (pfc_ctrl | (1<<1)));
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001755 DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001756 val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
1757 if (en)
1758 val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1759 else
1760 val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1761 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001762 }
1763}
1764
1765static int bnx2x_xmac_enable(struct link_params *params,
1766 struct link_vars *vars, u8 lb)
1767{
1768 u32 val, xmac_base;
1769 struct bnx2x *bp = params->bp;
1770 DP(NETIF_MSG_LINK, "enabling XMAC\n");
1771
1772 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1773
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001774 bnx2x_xmac_init(params, vars->line_speed);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001775
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001776 /* This register determines on which events the MAC will assert
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001777 * error on the i/f to the NIG along w/ EOP.
1778 */
1779
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001780 /* This register tells the NIG whether to send traffic to UMAC
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001781 * or XMAC
1782 */
1783 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
1784
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00001785 /* When XMAC is in XLGMII mode, disable sending idles for fault
1786 * detection.
1787 */
1788 if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
1789 REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
1790 (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
1791 XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
1792 REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
1793 REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
1794 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
1795 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
1796 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001797 /* Set Max packet size */
1798 REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
1799
1800 /* CRC append for Tx packets */
1801 REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
1802
1803 /* update PFC */
1804 bnx2x_update_pfc_xmac(params, vars, 0);
1805
Yuval Mintzc8c60d82012-06-06 17:13:07 +00001806 if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1807 DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
1808 REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
1809 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
1810 } else {
1811 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
1812 }
1813
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001814 /* Enable TX and RX */
1815 val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
1816
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00001817 /* Set MAC in XLGMII mode for dual-mode */
1818 if ((vars->line_speed == SPEED_20000) &&
1819 (params->phy[INT_PHY].supported &
1820 SUPPORTED_20000baseKR2_Full))
1821 val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
1822
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001823 /* Check loopback mode */
1824 if (lb)
David S. Miller8decf862011-09-22 03:23:13 -04001825 val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001826 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1827 bnx2x_set_xumac_nig(params,
1828 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1829
1830 vars->mac_type = MAC_TYPE_XMAC;
1831
1832 return 0;
1833}
Yaniv Rosner2f751a82011-11-28 00:49:52 +00001834
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001835static int bnx2x_emac_enable(struct link_params *params,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00001836 struct link_vars *vars, u8 lb)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001837{
1838 struct bnx2x *bp = params->bp;
1839 u8 port = params->port;
1840 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1841 u32 val;
1842
1843 DP(NETIF_MSG_LINK, "enabling EMAC\n");
1844
Yaniv Rosnerde6f3372011-08-02 22:59:25 +00001845 /* Disable BMAC */
1846 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1847 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1848
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001849 /* enable emac and not bmac */
1850 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
1851
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001852 /* ASIC */
1853 if (vars->phy_flags & PHY_XGXS_FLAG) {
1854 u32 ser_lane = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001855 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1856 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001857
1858 DP(NETIF_MSG_LINK, "XGXS\n");
1859 /* select the master lanes (out of 0-3) */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001860 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001861 /* select XGXS */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001862 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001863
1864 } else { /* SerDes */
1865 DP(NETIF_MSG_LINK, "SerDes\n");
1866 /* select SerDes */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001867 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001868 }
1869
Eilon Greenstein811a2f22009-02-12 08:37:04 +00001870 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001871 EMAC_RX_MODE_RESET);
Eilon Greenstein811a2f22009-02-12 08:37:04 +00001872 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001873 EMAC_TX_MODE_RESET);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001874
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001875 /* pause enable/disable */
1876 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1877 EMAC_RX_MODE_FLOW_EN);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001878
1879 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001880 (EMAC_TX_MODE_EXT_PAUSE_EN |
1881 EMAC_TX_MODE_FLOW_EN));
1882 if (!(params->feature_config_flags &
1883 FEATURE_CONFIG_PFC_ENABLED)) {
1884 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1885 bnx2x_bits_en(bp, emac_base +
1886 EMAC_REG_EMAC_RX_MODE,
1887 EMAC_RX_MODE_FLOW_EN);
1888
1889 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1890 bnx2x_bits_en(bp, emac_base +
1891 EMAC_REG_EMAC_TX_MODE,
1892 (EMAC_TX_MODE_EXT_PAUSE_EN |
1893 EMAC_TX_MODE_FLOW_EN));
1894 } else
1895 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1896 EMAC_TX_MODE_FLOW_EN);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001897
1898 /* KEEP_VLAN_TAG, promiscuous */
1899 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
1900 val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001901
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001902 /* Setting this bit causes MAC control frames (except for pause
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001903 * frames) to be passed on for processing. This setting has no
1904 * affect on the operation of the pause frames. This bit effects
1905 * all packets regardless of RX Parser packet sorting logic.
1906 * Turn the PFC off to make sure we are in Xon state before
1907 * enabling it.
1908 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001909 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
1910 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1911 DP(NETIF_MSG_LINK, "PFC is enabled\n");
1912 /* Enable PFC again */
1913 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
1914 EMAC_REG_RX_PFC_MODE_RX_EN |
1915 EMAC_REG_RX_PFC_MODE_TX_EN |
1916 EMAC_REG_RX_PFC_MODE_PRIORITIES);
1917
1918 EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
1919 ((0x0101 <<
1920 EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
1921 (0x00ff <<
1922 EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
1923 val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
1924 }
Eilon Greenstein3196a882008-08-13 15:58:49 -07001925 EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001926
1927 /* Set Loopback */
1928 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1929 if (lb)
1930 val |= 0x810;
1931 else
1932 val &= ~0x810;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001933 EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001934
Yuval Mintzd2310232012-06-20 19:05:19 +00001935 /* Enable emac */
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001936 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
1937
Yuval Mintzd2310232012-06-20 19:05:19 +00001938 /* Enable emac for jumbo packets */
Eilon Greenstein3196a882008-08-13 15:58:49 -07001939 EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001940 (EMAC_RX_MTU_SIZE_JUMBO_ENA |
1941 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
1942
Yuval Mintzd2310232012-06-20 19:05:19 +00001943 /* Strip CRC */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001944 REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
1945
Yuval Mintzd2310232012-06-20 19:05:19 +00001946 /* Disable the NIG in/out to the bmac */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001947 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
1948 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
1949 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
1950
Yuval Mintzd2310232012-06-20 19:05:19 +00001951 /* Enable the NIG in/out to the emac */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001952 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
1953 val = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001954 if ((params->feature_config_flags &
1955 FEATURE_CONFIG_PFC_ENABLED) ||
1956 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001957 val = 1;
1958
1959 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
1960 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
1961
Yaniv Rosner02a23162011-01-31 04:22:53 +00001962 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001963
1964 vars->mac_type = MAC_TYPE_EMAC;
1965 return 0;
1966}
1967
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001968static void bnx2x_update_pfc_bmac1(struct link_params *params,
1969 struct link_vars *vars)
1970{
1971 u32 wb_data[2];
1972 struct bnx2x *bp = params->bp;
1973 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1974 NIG_REG_INGRESS_BMAC0_MEM;
1975
1976 u32 val = 0x14;
1977 if ((!(params->feature_config_flags &
1978 FEATURE_CONFIG_PFC_ENABLED)) &&
1979 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1980 /* Enable BigMAC to react on received Pause packets */
1981 val |= (1<<5);
1982 wb_data[0] = val;
1983 wb_data[1] = 0;
1984 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
1985
Yuval Mintzd2310232012-06-20 19:05:19 +00001986 /* TX control */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001987 val = 0xc0;
1988 if (!(params->feature_config_flags &
1989 FEATURE_CONFIG_PFC_ENABLED) &&
1990 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1991 val |= 0x800000;
1992 wb_data[0] = val;
1993 wb_data[1] = 0;
1994 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
1995}
1996
1997static void bnx2x_update_pfc_bmac2(struct link_params *params,
1998 struct link_vars *vars,
1999 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002000{
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002001 /* Set rx control: Strip CRC and enable BigMAC to relay
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002002 * control packets to the system as well
2003 */
2004 u32 wb_data[2];
2005 struct bnx2x *bp = params->bp;
2006 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
2007 NIG_REG_INGRESS_BMAC0_MEM;
2008 u32 val = 0x14;
2009
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002010 if ((!(params->feature_config_flags &
2011 FEATURE_CONFIG_PFC_ENABLED)) &&
2012 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002013 /* Enable BigMAC to react on received Pause packets */
2014 val |= (1<<5);
2015 wb_data[0] = val;
2016 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002017 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002018 udelay(30);
2019
2020 /* Tx control */
2021 val = 0xc0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002022 if (!(params->feature_config_flags &
2023 FEATURE_CONFIG_PFC_ENABLED) &&
2024 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002025 val |= 0x800000;
2026 wb_data[0] = val;
2027 wb_data[1] = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002028 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002029
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002030 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
2031 DP(NETIF_MSG_LINK, "PFC is enabled\n");
2032 /* Enable PFC RX & TX & STATS and set 8 COS */
2033 wb_data[0] = 0x0;
2034 wb_data[0] |= (1<<0); /* RX */
2035 wb_data[0] |= (1<<1); /* TX */
2036 wb_data[0] |= (1<<2); /* Force initial Xon */
2037 wb_data[0] |= (1<<3); /* 8 cos */
2038 wb_data[0] |= (1<<5); /* STATS */
2039 wb_data[1] = 0;
2040 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
2041 wb_data, 2);
2042 /* Clear the force Xon */
2043 wb_data[0] &= ~(1<<2);
2044 } else {
2045 DP(NETIF_MSG_LINK, "PFC is disabled\n");
Yuval Mintzd2310232012-06-20 19:05:19 +00002046 /* Disable PFC RX & TX & STATS and set 8 COS */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002047 wb_data[0] = 0x8;
2048 wb_data[1] = 0;
2049 }
2050
2051 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
2052
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002053 /* Set Time (based unit is 512 bit time) between automatic
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002054 * re-sending of PP packets amd enable automatic re-send of
2055 * Per-Priroity Packet as long as pp_gen is asserted and
2056 * pp_disable is low.
2057 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002058 val = 0x8000;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002059 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2060 val |= (1<<16); /* enable automatic re-send */
2061
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002062 wb_data[0] = val;
2063 wb_data[1] = 0;
2064 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002065 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002066
2067 /* mac control */
2068 val = 0x3; /* Enable RX and TX */
2069 if (is_lb) {
2070 val |= 0x4; /* Local loopback */
2071 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2072 }
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002073 /* When PFC enabled, Pass pause frames towards the NIG. */
2074 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2075 val |= ((1<<6)|(1<<5));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002076
2077 wb_data[0] = val;
2078 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002079 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002080}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002081
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002082/******************************************************************************
2083* Description:
2084* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2085* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2086******************************************************************************/
Yuval Mintzd2310232012-06-20 19:05:19 +00002087static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
2088 u8 cos_entry,
2089 u32 priority_mask, u8 port)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002090{
2091 u32 nig_reg_rx_priority_mask_add = 0;
2092
2093 switch (cos_entry) {
2094 case 0:
2095 nig_reg_rx_priority_mask_add = (port) ?
2096 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2097 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2098 break;
2099 case 1:
2100 nig_reg_rx_priority_mask_add = (port) ?
2101 NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2102 NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2103 break;
2104 case 2:
2105 nig_reg_rx_priority_mask_add = (port) ?
2106 NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2107 NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2108 break;
2109 case 3:
2110 if (port)
2111 return -EINVAL;
2112 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2113 break;
2114 case 4:
2115 if (port)
2116 return -EINVAL;
2117 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2118 break;
2119 case 5:
2120 if (port)
2121 return -EINVAL;
2122 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2123 break;
2124 }
2125
2126 REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
2127
2128 return 0;
2129}
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00002130static void bnx2x_update_mng(struct link_params *params, u32 link_status)
2131{
2132 struct bnx2x *bp = params->bp;
2133
2134 REG_WR(bp, params->shmem_base +
2135 offsetof(struct shmem_region,
2136 port_mb[params->port].link_status), link_status);
2137}
2138
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00002139static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
2140{
2141 struct bnx2x *bp = params->bp;
2142
2143 if (SHMEM2_HAS(bp, link_attr_sync))
2144 REG_WR(bp, params->shmem2_base +
2145 offsetof(struct shmem2_region,
2146 link_attr_sync[params->port]), link_attr);
2147}
2148
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002149static void bnx2x_update_pfc_nig(struct link_params *params,
2150 struct link_vars *vars,
2151 struct bnx2x_nig_brb_pfc_port_params *nig_params)
2152{
2153 u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
Yaniv Rosner127302b2012-01-17 02:33:26 +00002154 u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002155 u32 pkt_priority_to_cos = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002156 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002157 u8 port = params->port;
2158
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002159 int set_pfc = params->feature_config_flags &
2160 FEATURE_CONFIG_PFC_ENABLED;
2161 DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
2162
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002163 /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002164 * MAC control frames (that are not pause packets)
2165 * will be forwarded to the XCM.
2166 */
Yaniv Rosner127302b2012-01-17 02:33:26 +00002167 xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
2168 NIG_REG_LLH0_XCM_MASK);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002169 /* NIG params will override non PFC params, since it's possible to
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002170 * do transition from PFC to SAFC
2171 */
2172 if (set_pfc) {
2173 pause_enable = 0;
2174 llfc_out_en = 0;
2175 llfc_enable = 0;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002176 if (CHIP_IS_E3(bp))
2177 ppp_enable = 0;
2178 else
Yaniv Rosner503976e2012-11-27 03:46:34 +00002179 ppp_enable = 1;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002180 xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2181 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
Yaniv Rosner127302b2012-01-17 02:33:26 +00002182 xcm_out_en = 0;
2183 hwpfc_enable = 1;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002184 } else {
2185 if (nig_params) {
2186 llfc_out_en = nig_params->llfc_out_en;
2187 llfc_enable = nig_params->llfc_enable;
2188 pause_enable = nig_params->pause_enable;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002189 } else /* Default non PFC mode - PAUSE */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002190 pause_enable = 1;
2191
2192 xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2193 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
Yaniv Rosner127302b2012-01-17 02:33:26 +00002194 xcm_out_en = 1;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002195 }
2196
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002197 if (CHIP_IS_E3(bp))
2198 REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2199 NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002200 REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
2201 NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2202 REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
2203 NIG_REG_LLFC_ENABLE_0, llfc_enable);
2204 REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
2205 NIG_REG_PAUSE_ENABLE_0, pause_enable);
2206
2207 REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
2208 NIG_REG_PPP_ENABLE_0, ppp_enable);
2209
2210 REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
2211 NIG_REG_LLH0_XCM_MASK, xcm_mask);
2212
Yaniv Rosner127302b2012-01-17 02:33:26 +00002213 REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
2214 NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002215
Yuval Mintzd2310232012-06-20 19:05:19 +00002216 /* Output enable for RX_XCM # IF */
Yaniv Rosner127302b2012-01-17 02:33:26 +00002217 REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
2218 NIG_REG_XCM0_OUT_EN, xcm_out_en);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002219
2220 /* HW PFC TX enable */
Yaniv Rosner127302b2012-01-17 02:33:26 +00002221 REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
2222 NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002223
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002224 if (nig_params) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002225 u8 i = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002226 pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
2227
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002228 for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
2229 bnx2x_pfc_nig_rx_priority_mask(bp, i,
2230 nig_params->rx_cos_priority_mask[i], port);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002231
2232 REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
2233 NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
2234 nig_params->llfc_high_priority_classes);
2235
2236 REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
2237 NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
2238 nig_params->llfc_low_priority_classes);
2239 }
2240 REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
2241 NIG_REG_P0_PKT_PRIORITY_TO_COS,
2242 pkt_priority_to_cos);
2243}
2244
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002245int bnx2x_update_pfc(struct link_params *params,
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002246 struct link_vars *vars,
2247 struct bnx2x_nig_brb_pfc_port_params *pfc_params)
2248{
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002249 /* The PFC and pause are orthogonal to one another, meaning when
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002250 * PFC is enabled, the pause are disabled, and when PFC is
2251 * disabled, pause are set according to the pause result.
2252 */
2253 u32 val;
2254 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002255 int bnx2x_status = 0;
2256 u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00002257
2258 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2259 vars->link_status |= LINK_STATUS_PFC_ENABLED;
2260 else
2261 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
2262
2263 bnx2x_update_mng(params, vars->link_status);
2264
Yuval Mintzd2310232012-06-20 19:05:19 +00002265 /* Update NIG params */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002266 bnx2x_update_pfc_nig(params, vars, pfc_params);
2267
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002268 if (!vars->link_up)
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002269 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002270
2271 DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
Yaniv Rosner375944c2012-09-11 04:34:10 +00002272
2273 if (CHIP_IS_E3(bp)) {
2274 if (vars->mac_type == MAC_TYPE_XMAC)
2275 bnx2x_update_pfc_xmac(params, vars, 0);
2276 } else {
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002277 val = REG_RD(bp, MISC_REG_RESET_REG_2);
2278 if ((val &
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00002279 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002280 == 0) {
2281 DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
2282 bnx2x_emac_enable(params, vars, 0);
2283 return bnx2x_status;
2284 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002285 if (CHIP_IS_E2(bp))
2286 bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
2287 else
2288 bnx2x_update_pfc_bmac1(params, vars);
2289
2290 val = 0;
2291 if ((params->feature_config_flags &
2292 FEATURE_CONFIG_PFC_ENABLED) ||
2293 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2294 val = 1;
2295 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2296 }
2297 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002298}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002299
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002300static int bnx2x_bmac1_enable(struct link_params *params,
2301 struct link_vars *vars,
2302 u8 is_lb)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002303{
2304 struct bnx2x *bp = params->bp;
2305 u8 port = params->port;
2306 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2307 NIG_REG_INGRESS_BMAC0_MEM;
2308 u32 wb_data[2];
2309 u32 val;
2310
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002311 DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002312
2313 /* XGXS control */
2314 wb_data[0] = 0x3c;
2315 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002316 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2317 wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002318
Yuval Mintzd2310232012-06-20 19:05:19 +00002319 /* TX MAC SA */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002320 wb_data[0] = ((params->mac_addr[2] << 24) |
2321 (params->mac_addr[3] << 16) |
2322 (params->mac_addr[4] << 8) |
2323 params->mac_addr[5]);
2324 wb_data[1] = ((params->mac_addr[0] << 8) |
2325 params->mac_addr[1]);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002326 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002327
Yuval Mintzd2310232012-06-20 19:05:19 +00002328 /* MAC control */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002329 val = 0x3;
2330 if (is_lb) {
2331 val |= 0x4;
2332 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2333 }
2334 wb_data[0] = val;
2335 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002336 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002337
Yuval Mintzd2310232012-06-20 19:05:19 +00002338 /* Set rx mtu */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002339 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2340 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002341 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002342
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002343 bnx2x_update_pfc_bmac1(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002344
Yuval Mintzd2310232012-06-20 19:05:19 +00002345 /* Set tx mtu */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002346 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2347 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002348 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002349
Yuval Mintzd2310232012-06-20 19:05:19 +00002350 /* Set cnt max size */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002351 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2352 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002353 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002354
Yuval Mintzd2310232012-06-20 19:05:19 +00002355 /* Configure SAFC */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002356 wb_data[0] = 0x1000200;
2357 wb_data[1] = 0;
2358 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2359 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002360
2361 return 0;
2362}
2363
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002364static int bnx2x_bmac2_enable(struct link_params *params,
2365 struct link_vars *vars,
2366 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002367{
2368 struct bnx2x *bp = params->bp;
2369 u8 port = params->port;
2370 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2371 NIG_REG_INGRESS_BMAC0_MEM;
2372 u32 wb_data[2];
2373
2374 DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
2375
2376 wb_data[0] = 0;
2377 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002378 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002379 udelay(30);
2380
2381 /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2382 wb_data[0] = 0x3c;
2383 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002384 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2385 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002386
2387 udelay(30);
2388
Yuval Mintzd2310232012-06-20 19:05:19 +00002389 /* TX MAC SA */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002390 wb_data[0] = ((params->mac_addr[2] << 24) |
2391 (params->mac_addr[3] << 16) |
2392 (params->mac_addr[4] << 8) |
2393 params->mac_addr[5]);
2394 wb_data[1] = ((params->mac_addr[0] << 8) |
2395 params->mac_addr[1]);
2396 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002397 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002398
2399 udelay(30);
2400
2401 /* Configure SAFC */
2402 wb_data[0] = 0x1000200;
2403 wb_data[1] = 0;
2404 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002405 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002406 udelay(30);
2407
Yuval Mintzd2310232012-06-20 19:05:19 +00002408 /* Set RX MTU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002409 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2410 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002411 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002412 udelay(30);
2413
Yuval Mintzd2310232012-06-20 19:05:19 +00002414 /* Set TX 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_TX_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002418 udelay(30);
Yuval Mintzd2310232012-06-20 19:05:19 +00002419 /* Set cnt max size */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002420 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
2421 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002422 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002423 udelay(30);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002424 bnx2x_update_pfc_bmac2(params, vars, is_lb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002425
2426 return 0;
2427}
2428
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002429static int bnx2x_bmac_enable(struct link_params *params,
2430 struct link_vars *vars,
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00002431 u8 is_lb, u8 reset_bmac)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002432{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002433 int rc = 0;
2434 u8 port = params->port;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002435 struct bnx2x *bp = params->bp;
2436 u32 val;
Yuval Mintzd2310232012-06-20 19:05:19 +00002437 /* Reset and unreset the BigMac */
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00002438 if (reset_bmac) {
2439 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2440 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2441 usleep_range(1000, 2000);
2442 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002443
2444 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002445 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002446
Yuval Mintzd2310232012-06-20 19:05:19 +00002447 /* Enable access for bmac registers */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002448 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2449
2450 /* Enable BMAC according to BMAC type*/
2451 if (CHIP_IS_E2(bp))
2452 rc = bnx2x_bmac2_enable(params, vars, is_lb);
2453 else
2454 rc = bnx2x_bmac1_enable(params, vars, is_lb);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002455 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2456 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2457 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2458 val = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002459 if ((params->feature_config_flags &
2460 FEATURE_CONFIG_PFC_ENABLED) ||
2461 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002462 val = 1;
2463 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2464 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2465 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2466 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2467 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2468 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2469
2470 vars->mac_type = MAC_TYPE_BMAC;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002471 return rc;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002472}
2473
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00002474static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002475{
2476 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002477 NIG_REG_INGRESS_BMAC0_MEM;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002478 u32 wb_data[2];
Eilon Greenstein3196a882008-08-13 15:58:49 -07002479 u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002480
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00002481 if (CHIP_IS_E2(bp))
2482 bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
2483 else
2484 bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002485 /* Only if the bmac is out of reset */
2486 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
2487 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2488 nig_bmac_enable) {
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00002489 /* Clear Rx Enable bit in BMAC_CONTROL register */
2490 REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
2491 if (en)
2492 wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
2493 else
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002494 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00002495 REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
Yuval Mintzd2310232012-06-20 19:05:19 +00002496 usleep_range(1000, 2000);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002497 }
2498}
2499
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002500static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
2501 u32 line_speed)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002502{
2503 struct bnx2x *bp = params->bp;
2504 u8 port = params->port;
2505 u32 init_crd, crd;
2506 u32 count = 1000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002507
Yuval Mintzd2310232012-06-20 19:05:19 +00002508 /* Disable port */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002509 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2510
Yuval Mintzd2310232012-06-20 19:05:19 +00002511 /* Wait for init credit */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002512 init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
2513 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2514 DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
2515
2516 while ((init_crd != crd) && count) {
Yuval Mintzd2310232012-06-20 19:05:19 +00002517 usleep_range(5000, 10000);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002518 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2519 count--;
2520 }
2521 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2522 if (init_crd != crd) {
2523 DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
2524 init_crd, crd);
2525 return -EINVAL;
2526 }
2527
David S. Millerc0700f92008-12-16 23:53:20 -08002528 if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002529 line_speed == SPEED_10 ||
2530 line_speed == SPEED_100 ||
2531 line_speed == SPEED_1000 ||
2532 line_speed == SPEED_2500) {
2533 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
Yuval Mintzd2310232012-06-20 19:05:19 +00002534 /* Update threshold */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002535 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
Yuval Mintzd2310232012-06-20 19:05:19 +00002536 /* Update init credit */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002537 init_crd = 778; /* (800-18-4) */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002538
2539 } else {
2540 u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
2541 ETH_OVREHEAD)/16;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002542 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Yuval Mintzd2310232012-06-20 19:05:19 +00002543 /* Update threshold */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002544 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
Yuval Mintzd2310232012-06-20 19:05:19 +00002545 /* Update init credit */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002546 switch (line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002547 case SPEED_10000:
2548 init_crd = thresh + 553 - 22;
2549 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002550 default:
2551 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2552 line_speed);
2553 return -EINVAL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002554 }
2555 }
2556 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2557 DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
2558 line_speed, init_crd);
2559
Yuval Mintzd2310232012-06-20 19:05:19 +00002560 /* Probe the credit changes */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002561 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
Yuval Mintzd2310232012-06-20 19:05:19 +00002562 usleep_range(5000, 10000);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002563 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
2564
Yuval Mintzd2310232012-06-20 19:05:19 +00002565 /* Enable port */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002566 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2567 return 0;
2568}
2569
Dmitry Kravkove8920672011-05-04 23:52:40 +00002570/**
2571 * bnx2x_get_emac_base - retrive emac base address
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002572 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00002573 * @bp: driver handle
2574 * @mdc_mdio_access: access type
2575 * @port: port id
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002576 *
2577 * This function selects the MDC/MDIO access (through emac0 or
2578 * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2579 * phy has a default access mode, which could also be overridden
2580 * by nvram configuration. This parameter, whether this is the
2581 * default phy configuration, or the nvram overrun
2582 * configuration, is passed here as mdc_mdio_access and selects
2583 * the emac_base for the CL45 read/writes operations
2584 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002585static u32 bnx2x_get_emac_base(struct bnx2x *bp,
2586 u32 mdc_mdio_access, u8 port)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002587{
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002588 u32 emac_base = 0;
2589 switch (mdc_mdio_access) {
2590 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
2591 break;
2592 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
2593 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2594 emac_base = GRCBASE_EMAC1;
2595 else
2596 emac_base = GRCBASE_EMAC0;
2597 break;
2598 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
Eilon Greenstein589abe32009-02-12 08:36:55 +00002599 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2600 emac_base = GRCBASE_EMAC0;
2601 else
2602 emac_base = GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002603 break;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002604 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
2605 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2606 break;
2607 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
Eilon Greenstein6378c022008-08-13 15:59:25 -07002608 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002609 break;
2610 default:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002611 break;
2612 }
2613 return emac_base;
2614
2615}
2616
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002617/******************************************************************/
Yaniv Rosner6583e332011-06-14 01:34:17 +00002618/* CL22 access functions */
2619/******************************************************************/
2620static int bnx2x_cl22_write(struct bnx2x *bp,
2621 struct bnx2x_phy *phy,
2622 u16 reg, u16 val)
2623{
2624 u32 tmp, mode;
2625 u8 i;
2626 int rc = 0;
2627 /* Switch to CL22 */
2628 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2629 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2630 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2631
Yuval Mintzd2310232012-06-20 19:05:19 +00002632 /* Address */
Yaniv Rosner6583e332011-06-14 01:34:17 +00002633 tmp = ((phy->addr << 21) | (reg << 16) | val |
2634 EMAC_MDIO_COMM_COMMAND_WRITE_22 |
2635 EMAC_MDIO_COMM_START_BUSY);
2636 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2637
2638 for (i = 0; i < 50; i++) {
2639 udelay(10);
2640
2641 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2642 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2643 udelay(5);
2644 break;
2645 }
2646 }
2647 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2648 DP(NETIF_MSG_LINK, "write phy register failed\n");
2649 rc = -EFAULT;
2650 }
2651 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2652 return rc;
2653}
2654
2655static int bnx2x_cl22_read(struct bnx2x *bp,
2656 struct bnx2x_phy *phy,
2657 u16 reg, u16 *ret_val)
2658{
2659 u32 val, mode;
2660 u16 i;
2661 int rc = 0;
2662
2663 /* Switch to CL22 */
2664 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2665 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2666 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2667
Yuval Mintzd2310232012-06-20 19:05:19 +00002668 /* Address */
Yaniv Rosner6583e332011-06-14 01:34:17 +00002669 val = ((phy->addr << 21) | (reg << 16) |
2670 EMAC_MDIO_COMM_COMMAND_READ_22 |
2671 EMAC_MDIO_COMM_START_BUSY);
2672 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2673
2674 for (i = 0; i < 50; i++) {
2675 udelay(10);
2676
2677 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2678 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2679 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2680 udelay(5);
2681 break;
2682 }
2683 }
2684 if (val & EMAC_MDIO_COMM_START_BUSY) {
2685 DP(NETIF_MSG_LINK, "read phy register failed\n");
2686
2687 *ret_val = 0;
2688 rc = -EFAULT;
2689 }
2690 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2691 return rc;
2692}
2693
2694/******************************************************************/
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002695/* CL45 access functions */
2696/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002697static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
2698 u8 devad, u16 reg, u16 *ret_val)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002699{
Yaniv Rosnera198c142011-05-31 21:29:42 +00002700 u32 val;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002701 u16 i;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002702 int rc = 0;
Yaniv Rosner55386fe82012-11-27 03:46:30 +00002703 u32 chip_id;
2704 if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2705 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2706 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2707 bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2708 }
2709
Yaniv Rosner157fa282011-08-02 22:59:32 +00002710 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2711 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2712 EMAC_MDIO_STATUS_10MB);
Yuval Mintzd2310232012-06-20 19:05:19 +00002713 /* Address */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002714 val = ((phy->addr << 21) | (devad << 16) | reg |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002715 EMAC_MDIO_COMM_COMMAND_ADDRESS |
2716 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002717 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002718
2719 for (i = 0; i < 50; i++) {
2720 udelay(10);
2721
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002722 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002723 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2724 udelay(5);
2725 break;
2726 }
2727 }
2728 if (val & EMAC_MDIO_COMM_START_BUSY) {
2729 DP(NETIF_MSG_LINK, "read phy register failed\n");
Yaniv Rosner6d870c32011-01-31 04:22:20 +00002730 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002731 *ret_val = 0;
2732 rc = -EFAULT;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002733 } else {
Yuval Mintzd2310232012-06-20 19:05:19 +00002734 /* Data */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002735 val = ((phy->addr << 21) | (devad << 16) |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002736 EMAC_MDIO_COMM_COMMAND_READ_45 |
2737 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002738 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002739
2740 for (i = 0; i < 50; i++) {
2741 udelay(10);
2742
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002743 val = REG_RD(bp, phy->mdio_ctrl +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002744 EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002745 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2746 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2747 break;
2748 }
2749 }
2750 if (val & EMAC_MDIO_COMM_START_BUSY) {
2751 DP(NETIF_MSG_LINK, "read phy register failed\n");
Yaniv Rosner6d870c32011-01-31 04:22:20 +00002752 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002753 *ret_val = 0;
2754 rc = -EFAULT;
2755 }
2756 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00002757 /* Work around for E3 A0 */
2758 if (phy->flags & FLAGS_MDC_MDIO_WA) {
2759 phy->flags ^= FLAGS_DUMMY_READ;
2760 if (phy->flags & FLAGS_DUMMY_READ) {
2761 u16 temp_val;
2762 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2763 }
2764 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002765
Yaniv Rosner157fa282011-08-02 22:59:32 +00002766 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2767 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2768 EMAC_MDIO_STATUS_10MB);
Yaniv Rosnera198c142011-05-31 21:29:42 +00002769 return rc;
2770}
2771
2772static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
2773 u8 devad, u16 reg, u16 val)
2774{
2775 u32 tmp;
2776 u8 i;
2777 int rc = 0;
Yaniv Rosner55386fe82012-11-27 03:46:30 +00002778 u32 chip_id;
2779 if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2780 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2781 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2782 bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2783 }
2784
Yaniv Rosner157fa282011-08-02 22:59:32 +00002785 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2786 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2787 EMAC_MDIO_STATUS_10MB);
Yaniv Rosnera198c142011-05-31 21:29:42 +00002788
Yuval Mintzd2310232012-06-20 19:05:19 +00002789 /* Address */
Yaniv Rosnera198c142011-05-31 21:29:42 +00002790 tmp = ((phy->addr << 21) | (devad << 16) | reg |
2791 EMAC_MDIO_COMM_COMMAND_ADDRESS |
2792 EMAC_MDIO_COMM_START_BUSY);
2793 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2794
2795 for (i = 0; i < 50; i++) {
2796 udelay(10);
2797
2798 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2799 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2800 udelay(5);
2801 break;
2802 }
2803 }
2804 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2805 DP(NETIF_MSG_LINK, "write phy register failed\n");
2806 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
2807 rc = -EFAULT;
Yaniv Rosnera198c142011-05-31 21:29:42 +00002808 } else {
Yuval Mintzd2310232012-06-20 19:05:19 +00002809 /* Data */
Yaniv Rosnera198c142011-05-31 21:29:42 +00002810 tmp = ((phy->addr << 21) | (devad << 16) | val |
2811 EMAC_MDIO_COMM_COMMAND_WRITE_45 |
2812 EMAC_MDIO_COMM_START_BUSY);
2813 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2814
2815 for (i = 0; i < 50; i++) {
2816 udelay(10);
2817
2818 tmp = REG_RD(bp, phy->mdio_ctrl +
2819 EMAC_REG_EMAC_MDIO_COMM);
2820 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2821 udelay(5);
2822 break;
2823 }
2824 }
2825 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2826 DP(NETIF_MSG_LINK, "write phy register failed\n");
2827 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
2828 rc = -EFAULT;
2829 }
2830 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00002831 /* Work around for E3 A0 */
2832 if (phy->flags & FLAGS_MDC_MDIO_WA) {
2833 phy->flags ^= FLAGS_DUMMY_READ;
2834 if (phy->flags & FLAGS_DUMMY_READ) {
2835 u16 temp_val;
2836 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2837 }
2838 }
Yaniv Rosner157fa282011-08-02 22:59:32 +00002839 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2840 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2841 EMAC_MDIO_STATUS_10MB);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002842 return rc;
2843}
Yuval Mintzec4010e2012-09-10 05:51:06 +00002844
2845/******************************************************************/
2846/* EEE section */
2847/******************************************************************/
2848static u8 bnx2x_eee_has_cap(struct link_params *params)
2849{
2850 struct bnx2x *bp = params->bp;
2851
2852 if (REG_RD(bp, params->shmem2_base) <=
2853 offsetof(struct shmem2_region, eee_status[params->port]))
2854 return 0;
2855
2856 return 1;
2857}
2858
2859static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
2860{
2861 switch (nvram_mode) {
2862 case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
2863 *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
2864 break;
2865 case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
2866 *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
2867 break;
2868 case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
2869 *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
2870 break;
2871 default:
2872 *idle_timer = 0;
2873 break;
2874 }
2875
2876 return 0;
2877}
2878
2879static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
2880{
2881 switch (idle_timer) {
2882 case EEE_MODE_NVRAM_BALANCED_TIME:
2883 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
2884 break;
2885 case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
2886 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
2887 break;
2888 case EEE_MODE_NVRAM_LATENCY_TIME:
2889 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
2890 break;
2891 default:
2892 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
2893 break;
2894 }
2895
2896 return 0;
2897}
2898
2899static u32 bnx2x_eee_calc_timer(struct link_params *params)
2900{
2901 u32 eee_mode, eee_idle;
2902 struct bnx2x *bp = params->bp;
2903
2904 if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
2905 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2906 /* time value in eee_mode --> used directly*/
2907 eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
2908 } else {
2909 /* hsi value in eee_mode --> time */
2910 if (bnx2x_eee_nvram_to_time(params->eee_mode &
2911 EEE_MODE_NVRAM_MASK,
2912 &eee_idle))
2913 return 0;
2914 }
2915 } else {
2916 /* hsi values in nvram --> time*/
2917 eee_mode = ((REG_RD(bp, params->shmem_base +
2918 offsetof(struct shmem_region, dev_info.
2919 port_feature_config[params->port].
2920 eee_power_mode)) &
2921 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
2922 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
2923
2924 if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
2925 return 0;
2926 }
2927
2928 return eee_idle;
2929}
2930
2931static int bnx2x_eee_set_timers(struct link_params *params,
2932 struct link_vars *vars)
2933{
2934 u32 eee_idle = 0, eee_mode;
2935 struct bnx2x *bp = params->bp;
2936
2937 eee_idle = bnx2x_eee_calc_timer(params);
2938
2939 if (eee_idle) {
2940 REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
2941 eee_idle);
2942 } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
2943 (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
2944 (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
2945 DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
2946 return -EINVAL;
2947 }
2948
2949 vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
2950 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2951 /* eee_idle in 1u --> eee_status in 16u */
2952 eee_idle >>= 4;
2953 vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
2954 SHMEM_EEE_TIME_OUTPUT_BIT;
2955 } else {
2956 if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
2957 return -EINVAL;
2958 vars->eee_status |= eee_mode;
2959 }
2960
2961 return 0;
2962}
2963
2964static int bnx2x_eee_initial_config(struct link_params *params,
2965 struct link_vars *vars, u8 mode)
2966{
2967 vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
2968
2969 /* Propogate params' bits --> vars (for migration exposure) */
2970 if (params->eee_mode & EEE_MODE_ENABLE_LPI)
2971 vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
2972 else
2973 vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
2974
2975 if (params->eee_mode & EEE_MODE_ADV_LPI)
2976 vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
2977 else
2978 vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
2979
2980 return bnx2x_eee_set_timers(params, vars);
2981}
2982
2983static int bnx2x_eee_disable(struct bnx2x_phy *phy,
2984 struct link_params *params,
2985 struct link_vars *vars)
2986{
2987 struct bnx2x *bp = params->bp;
2988
2989 /* Make Certain LPI is disabled */
2990 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
2991
2992 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
2993
2994 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
2995
2996 return 0;
2997}
2998
2999static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
3000 struct link_params *params,
3001 struct link_vars *vars, u8 modes)
3002{
3003 struct bnx2x *bp = params->bp;
3004 u16 val = 0;
3005
3006 /* Mask events preventing LPI generation */
3007 REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
3008
3009 if (modes & SHMEM_EEE_10G_ADV) {
3010 DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
3011 val |= 0x8;
3012 }
3013 if (modes & SHMEM_EEE_1G_ADV) {
3014 DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
3015 val |= 0x4;
3016 }
3017
3018 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
3019
3020 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
3021 vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
3022
3023 return 0;
3024}
3025
3026static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
3027{
3028 struct bnx2x *bp = params->bp;
3029
3030 if (bnx2x_eee_has_cap(params))
3031 REG_WR(bp, params->shmem2_base +
3032 offsetof(struct shmem2_region,
3033 eee_status[params->port]), eee_status);
3034}
3035
3036static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
3037 struct link_params *params,
3038 struct link_vars *vars)
3039{
3040 struct bnx2x *bp = params->bp;
3041 u16 adv = 0, lp = 0;
3042 u32 lp_adv = 0;
3043 u8 neg = 0;
3044
3045 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
3046 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
3047
3048 if (lp & 0x2) {
3049 lp_adv |= SHMEM_EEE_100M_ADV;
3050 if (adv & 0x2) {
3051 if (vars->line_speed == SPEED_100)
3052 neg = 1;
3053 DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
3054 }
3055 }
3056 if (lp & 0x14) {
3057 lp_adv |= SHMEM_EEE_1G_ADV;
3058 if (adv & 0x14) {
3059 if (vars->line_speed == SPEED_1000)
3060 neg = 1;
3061 DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
3062 }
3063 }
3064 if (lp & 0x68) {
3065 lp_adv |= SHMEM_EEE_10G_ADV;
3066 if (adv & 0x68) {
3067 if (vars->line_speed == SPEED_10000)
3068 neg = 1;
3069 DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
3070 }
3071 }
3072
3073 vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
3074 vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
3075
3076 if (neg) {
3077 DP(NETIF_MSG_LINK, "EEE is active\n");
3078 vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
3079 }
3080
3081}
3082
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003083/******************************************************************/
3084/* BSC access functions from E3 */
3085/******************************************************************/
3086static void bnx2x_bsc_module_sel(struct link_params *params)
3087{
3088 int idx;
3089 u32 board_cfg, sfp_ctrl;
3090 u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3091 struct bnx2x *bp = params->bp;
3092 u8 port = params->port;
3093 /* Read I2C output PINs */
3094 board_cfg = REG_RD(bp, params->shmem_base +
3095 offsetof(struct shmem_region,
3096 dev_info.shared_hw_config.board));
3097 i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3098 i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3099 SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3100
3101 /* Read I2C output value */
3102 sfp_ctrl = REG_RD(bp, params->shmem_base +
3103 offsetof(struct shmem_region,
3104 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3105 i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3106 i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3107 DP(NETIF_MSG_LINK, "Setting BSC switch\n");
3108 for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3109 bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
3110}
3111
3112static int bnx2x_bsc_read(struct link_params *params,
3113 struct bnx2x_phy *phy,
3114 u8 sl_devid,
3115 u16 sl_addr,
3116 u8 lc_addr,
3117 u8 xfer_cnt,
3118 u32 *data_array)
3119{
3120 u32 val, i;
3121 int rc = 0;
3122 struct bnx2x *bp = params->bp;
3123
3124 if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
3125 DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
3126 return -EINVAL;
3127 }
3128
3129 if (xfer_cnt > 16) {
3130 DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
3131 xfer_cnt);
3132 return -EINVAL;
3133 }
3134 bnx2x_bsc_module_sel(params);
3135
3136 xfer_cnt = 16 - lc_addr;
3137
Yuval Mintzd2310232012-06-20 19:05:19 +00003138 /* Enable the engine */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003139 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3140 val |= MCPR_IMC_COMMAND_ENABLE;
3141 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3142
Yuval Mintzd2310232012-06-20 19:05:19 +00003143 /* Program slave device ID */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003144 val = (sl_devid << 16) | sl_addr;
3145 REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3146
Yuval Mintzd2310232012-06-20 19:05:19 +00003147 /* Start xfer with 0 byte to update the address pointer ???*/
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003148 val = (MCPR_IMC_COMMAND_ENABLE) |
3149 (MCPR_IMC_COMMAND_WRITE_OP <<
3150 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3151 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3152 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3153
Yuval Mintzd2310232012-06-20 19:05:19 +00003154 /* Poll for completion */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003155 i = 0;
3156 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3157 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3158 udelay(10);
3159 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3160 if (i++ > 1000) {
3161 DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
3162 i);
3163 rc = -EFAULT;
3164 break;
3165 }
3166 }
3167 if (rc == -EFAULT)
3168 return rc;
3169
Yuval Mintzd2310232012-06-20 19:05:19 +00003170 /* Start xfer with read op */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003171 val = (MCPR_IMC_COMMAND_ENABLE) |
3172 (MCPR_IMC_COMMAND_READ_OP <<
3173 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3174 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3175 (xfer_cnt);
3176 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3177
Yuval Mintzd2310232012-06-20 19:05:19 +00003178 /* Poll for completion */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003179 i = 0;
3180 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3181 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3182 udelay(10);
3183 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3184 if (i++ > 1000) {
3185 DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
3186 rc = -EFAULT;
3187 break;
3188 }
3189 }
3190 if (rc == -EFAULT)
3191 return rc;
3192
3193 for (i = (lc_addr >> 2); i < 4; i++) {
3194 data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3195#ifdef __BIG_ENDIAN
3196 data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3197 ((data_array[i] & 0x0000ff00) << 8) |
3198 ((data_array[i] & 0x00ff0000) >> 8) |
3199 ((data_array[i] & 0xff000000) >> 24);
3200#endif
3201 }
3202 return rc;
3203}
3204
3205static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3206 u8 devad, u16 reg, u16 or_val)
3207{
3208 u16 val;
3209 bnx2x_cl45_read(bp, phy, devad, reg, &val);
3210 bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
3211}
3212
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003213static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
3214 struct bnx2x_phy *phy,
3215 u8 devad, u16 reg, u16 and_val)
3216{
3217 u16 val;
3218 bnx2x_cl45_read(bp, phy, devad, reg, &val);
3219 bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
3220}
3221
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003222int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
3223 u8 devad, u16 reg, u16 *ret_val)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003224{
3225 u8 phy_index;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003226 /* Probe for the phy according to the given phy_addr, and execute
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003227 * the read request on it
3228 */
3229 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3230 if (params->phy[phy_index].addr == phy_addr) {
3231 return bnx2x_cl45_read(params->bp,
3232 &params->phy[phy_index], devad,
3233 reg, ret_val);
3234 }
3235 }
3236 return -EINVAL;
3237}
3238
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003239int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
3240 u8 devad, u16 reg, u16 val)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003241{
3242 u8 phy_index;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003243 /* Probe for the phy according to the given phy_addr, and execute
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003244 * the write request on it
3245 */
3246 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3247 if (params->phy[phy_index].addr == phy_addr) {
3248 return bnx2x_cl45_write(params->bp,
3249 &params->phy[phy_index], devad,
3250 reg, val);
3251 }
3252 }
3253 return -EINVAL;
3254}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003255static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
3256 struct link_params *params)
3257{
3258 u8 lane = 0;
3259 struct bnx2x *bp = params->bp;
3260 u32 path_swap, path_swap_ovr;
3261 u8 path, port;
3262
3263 path = BP_PATH(bp);
3264 port = params->port;
3265
3266 if (bnx2x_is_4_port_mode(bp)) {
3267 u32 port_swap, port_swap_ovr;
3268
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003269 /* Figure out path swap value */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003270 path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
3271 if (path_swap_ovr & 0x1)
3272 path_swap = (path_swap_ovr & 0x2);
3273 else
3274 path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
3275
3276 if (path_swap)
3277 path = path ^ 1;
3278
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003279 /* Figure out port swap value */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003280 port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
3281 if (port_swap_ovr & 0x1)
3282 port_swap = (port_swap_ovr & 0x2);
3283 else
3284 port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
3285
3286 if (port_swap)
3287 port = port ^ 1;
3288
3289 lane = (port<<1) + path;
Yuval Mintzd2310232012-06-20 19:05:19 +00003290 } else { /* Two port mode - no port swap */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003291
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003292 /* Figure out path swap value */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003293 path_swap_ovr =
3294 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3295 if (path_swap_ovr & 0x1) {
3296 path_swap = (path_swap_ovr & 0x2);
3297 } else {
3298 path_swap =
3299 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
3300 }
3301 if (path_swap)
3302 path = path ^ 1;
3303
3304 lane = path << 1 ;
3305 }
3306 return lane;
3307}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003308
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003309static void bnx2x_set_aer_mmd(struct link_params *params,
3310 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003311{
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003312 u32 ser_lane;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003313 u16 offset, aer_val;
3314 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003315 ser_lane = ((params->lane_config &
3316 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3317 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3318
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003319 offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3320 (phy->addr + ser_lane) : 0;
3321
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003322 if (USES_WARPCORE(bp)) {
3323 aer_val = bnx2x_get_warpcore_lane(phy, params);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003324 /* In Dual-lane mode, two lanes are joined together,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003325 * so in order to configure them, the AER broadcast method is
3326 * used here.
3327 * 0x200 is the broadcast address for lanes 0,1
3328 * 0x201 is the broadcast address for lanes 2,3
3329 */
3330 if (phy->flags & FLAGS_WC_DUAL_MODE)
3331 aer_val = (aer_val >> 1) | 0x200;
3332 } else if (CHIP_IS_E2(bp))
Yaniv Rosner82a0d472011-01-18 04:33:52 +00003333 aer_val = 0x3800 + offset - 1;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003334 else
3335 aer_val = 0x3800 + offset;
Yaniv Rosner2f751a82011-11-28 00:49:52 +00003336
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003337 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003338 MDIO_AER_BLOCK_AER_REG, aer_val);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003339
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003340}
3341
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003342/******************************************************************/
3343/* Internal phy section */
3344/******************************************************************/
3345
3346static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
3347{
3348 u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3349
3350 /* Set Clause 22 */
3351 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
3352 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
3353 udelay(500);
3354 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3355 udelay(500);
3356 /* Set Clause 45 */
3357 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
3358}
3359
3360static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
3361{
3362 u32 val;
3363
3364 DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
3365
3366 val = SERDES_RESET_BITS << (port*16);
3367
Yuval Mintzd2310232012-06-20 19:05:19 +00003368 /* Reset and unreset the SerDes/XGXS */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003369 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3370 udelay(500);
3371 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3372
3373 bnx2x_set_serdes_access(bp, port);
3374
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003375 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3376 DEFAULT_PHY_DEV_ADDR);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003377}
3378
Yaniv Rosnera75bb002012-10-31 05:46:53 +00003379static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
3380 struct link_params *params,
3381 u32 action)
3382{
3383 struct bnx2x *bp = params->bp;
3384 switch (action) {
3385 case PHY_INIT:
3386 /* Set correct devad */
3387 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
3388 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
3389 phy->def_md_devad);
3390 break;
3391 }
3392}
3393
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003394static void bnx2x_xgxs_deassert(struct link_params *params)
3395{
3396 struct bnx2x *bp = params->bp;
3397 u8 port;
3398 u32 val;
3399 DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
3400 port = params->port;
3401
3402 val = XGXS_RESET_BITS << (port*16);
3403
Yuval Mintzd2310232012-06-20 19:05:19 +00003404 /* Reset and unreset the SerDes/XGXS */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003405 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3406 udelay(500);
3407 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
Yaniv Rosnera75bb002012-10-31 05:46:53 +00003408 bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
3409 PHY_INIT);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003410}
3411
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003412static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
3413 struct link_params *params, u16 *ieee_fc)
3414{
3415 struct bnx2x *bp = params->bp;
3416 *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003417 /* Resolve pause mode and advertisement Please refer to Table
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003418 * 28B-3 of the 802.3ab-1999 spec
3419 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003420
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003421 switch (phy->req_flow_ctrl) {
3422 case BNX2X_FLOW_CTRL_AUTO:
3423 if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
3424 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3425 else
3426 *ieee_fc |=
3427 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3428 break;
3429
3430 case BNX2X_FLOW_CTRL_TX:
3431 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3432 break;
3433
3434 case BNX2X_FLOW_CTRL_RX:
3435 case BNX2X_FLOW_CTRL_BOTH:
3436 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3437 break;
3438
3439 case BNX2X_FLOW_CTRL_NONE:
3440 default:
3441 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3442 break;
3443 }
3444 DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
3445}
3446
3447static void set_phy_vars(struct link_params *params,
3448 struct link_vars *vars)
3449{
3450 struct bnx2x *bp = params->bp;
3451 u8 actual_phy_idx, phy_index, link_cfg_idx;
3452 u8 phy_config_swapped = params->multi_phy_config &
3453 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
3454 for (phy_index = INT_PHY; phy_index < params->num_phys;
3455 phy_index++) {
3456 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
3457 actual_phy_idx = phy_index;
3458 if (phy_config_swapped) {
3459 if (phy_index == EXT_PHY1)
3460 actual_phy_idx = EXT_PHY2;
3461 else if (phy_index == EXT_PHY2)
3462 actual_phy_idx = EXT_PHY1;
3463 }
3464 params->phy[actual_phy_idx].req_flow_ctrl =
3465 params->req_flow_ctrl[link_cfg_idx];
3466
3467 params->phy[actual_phy_idx].req_line_speed =
3468 params->req_line_speed[link_cfg_idx];
3469
3470 params->phy[actual_phy_idx].speed_cap_mask =
3471 params->speed_cap_mask[link_cfg_idx];
3472
3473 params->phy[actual_phy_idx].req_duplex =
3474 params->req_duplex[link_cfg_idx];
3475
3476 if (params->req_line_speed[link_cfg_idx] ==
3477 SPEED_AUTO_NEG)
3478 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3479
3480 DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
3481 " speed_cap_mask %x\n",
3482 params->phy[actual_phy_idx].req_flow_ctrl,
3483 params->phy[actual_phy_idx].req_line_speed,
3484 params->phy[actual_phy_idx].speed_cap_mask);
3485 }
3486}
3487
3488static void bnx2x_ext_phy_set_pause(struct link_params *params,
3489 struct bnx2x_phy *phy,
3490 struct link_vars *vars)
3491{
3492 u16 val;
3493 struct bnx2x *bp = params->bp;
Yuval Mintzd2310232012-06-20 19:05:19 +00003494 /* Read modify write pause advertizing */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003495 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3496
3497 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3498
3499 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3500 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3501 if ((vars->ieee_fc &
3502 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3503 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3504 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3505 }
3506 if ((vars->ieee_fc &
3507 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3508 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3509 val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3510 }
3511 DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3512 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3513}
3514
3515static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
3516{ /* LD LP */
3517 switch (pause_result) { /* ASYM P ASYM P */
3518 case 0xb: /* 1 0 1 1 */
3519 vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
3520 break;
3521
3522 case 0xe: /* 1 1 1 0 */
3523 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3524 break;
3525
3526 case 0x5: /* 0 1 0 1 */
3527 case 0x7: /* 0 1 1 1 */
3528 case 0xd: /* 1 1 0 1 */
3529 case 0xf: /* 1 1 1 1 */
3530 vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
3531 break;
3532
3533 default:
3534 break;
3535 }
3536 if (pause_result & (1<<0))
3537 vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3538 if (pause_result & (1<<1))
3539 vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003540
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003541}
3542
Mintz Yuval9e7e8392012-02-15 02:10:24 +00003543static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
3544 struct link_params *params,
3545 struct link_vars *vars)
3546{
3547 u16 ld_pause; /* local */
3548 u16 lp_pause; /* link partner */
3549 u16 pause_result;
3550 struct bnx2x *bp = params->bp;
3551 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
3552 bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
3553 bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
Yaniv Rosnerca05f292012-04-04 01:28:55 +00003554 } else if (CHIP_IS_E3(bp) &&
3555 SINGLE_MEDIA_DIRECT(params)) {
3556 u8 lane = bnx2x_get_warpcore_lane(phy, params);
3557 u16 gp_status, gp_mask;
3558 bnx2x_cl45_read(bp, phy,
3559 MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
3560 &gp_status);
3561 gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
3562 MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
3563 lane;
3564 if ((gp_status & gp_mask) == gp_mask) {
3565 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3566 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3567 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3568 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3569 } else {
3570 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3571 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3572 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3573 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3574 ld_pause = ((ld_pause &
3575 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3576 << 3);
3577 lp_pause = ((lp_pause &
3578 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3579 << 3);
3580 }
Mintz Yuval9e7e8392012-02-15 02:10:24 +00003581 } else {
3582 bnx2x_cl45_read(bp, phy,
3583 MDIO_AN_DEVAD,
3584 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3585 bnx2x_cl45_read(bp, phy,
3586 MDIO_AN_DEVAD,
3587 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3588 }
3589 pause_result = (ld_pause &
3590 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3591 pause_result |= (lp_pause &
3592 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3593 DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
3594 bnx2x_pause_resolve(vars, pause_result);
3595
3596}
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003597
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003598static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3599 struct link_params *params,
3600 struct link_vars *vars)
3601{
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003602 u8 ret = 0;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003603 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Mintz Yuval9e7e8392012-02-15 02:10:24 +00003604 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
3605 /* Update the advertised flow-controled of LD/LP in AN */
3606 if (phy->req_line_speed == SPEED_AUTO_NEG)
3607 bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3608 /* But set the flow-control result as the requested one */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003609 vars->flow_ctrl = phy->req_flow_ctrl;
Mintz Yuval9e7e8392012-02-15 02:10:24 +00003610 } else if (phy->req_line_speed != SPEED_AUTO_NEG)
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003611 vars->flow_ctrl = params->req_fc_auto_adv;
3612 else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3613 ret = 1;
Mintz Yuval9e7e8392012-02-15 02:10:24 +00003614 bnx2x_ext_phy_update_adv_fc(phy, params, vars);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003615 }
3616 return ret;
3617}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003618/******************************************************************/
3619/* Warpcore section */
3620/******************************************************************/
3621/* The init_internal_warpcore should mirror the xgxs,
3622 * i.e. reset the lane (if needed), set aer for the
3623 * init configuration, and set/clear SGMII flag. Internal
3624 * phy init is done purely in phy_init stage.
3625 */
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003626static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
3627 struct link_params *params,
3628 struct link_vars *vars)
3629{
3630 struct bnx2x *bp = params->bp;
3631 u16 i;
3632 static struct bnx2x_reg_set reg_set[] = {
3633 /* Step 1 - Program the TX/RX alignment markers */
3634 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
3635 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
3636 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
3637 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
3638 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
3639 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
3640 /* Step 2 - Configure the NP registers */
3641 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
3642 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
3643 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
3644 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
3645 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
3646 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
3647 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
3648 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
3649 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
3650 };
3651 DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
3652
3653 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3654 MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
3655
3656 for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
3657 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3658 reg_set[i].val);
3659
3660 /* Start KR2 work-around timer which handles BCM8073 link-parner */
3661 vars->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
3662 bnx2x_update_link_attr(params, vars->link_attr_sync);
3663}
Yuval Mintzec4010e2012-09-10 05:51:06 +00003664
3665static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
3666 struct link_params *params)
3667{
3668 struct bnx2x *bp = params->bp;
3669
3670 DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
3671 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3672 MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
3673 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3674 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
3675}
3676
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003677static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
3678 struct link_params *params)
3679{
3680 /* Restart autoneg on the leading lane only */
3681 struct bnx2x *bp = params->bp;
3682 u16 lane = bnx2x_get_warpcore_lane(phy, params);
3683 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3684 MDIO_AER_BLOCK_AER_REG, lane);
3685 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3686 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
3687
3688 /* Restore AER */
3689 bnx2x_set_aer_mmd(params, phy);
3690}
3691
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003692static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
3693 struct link_params *params,
3694 struct link_vars *vars) {
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003695 u16 lane, i, cl72_ctrl, an_adv = 0;
3696 u16 ucode_ver;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003697 struct bnx2x *bp = params->bp;
Yuval Mintza351d492012-06-20 19:05:21 +00003698 static struct bnx2x_reg_set reg_set[] = {
3699 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
Yuval Mintza351d492012-06-20 19:05:21 +00003700 {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
3701 {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
3702 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
3703 /* Disable Autoneg: re-enable it after adv is done. */
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003704 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
3705 {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
3706 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
Yuval Mintza351d492012-06-20 19:05:21 +00003707 };
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003708 DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
Yaniv Rosner6a51c0d2012-04-04 01:28:56 +00003709 /* Set to default registers that may be overriden by 10G force */
Yuval Mintza351d492012-06-20 19:05:21 +00003710 for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
3711 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3712 reg_set[i].val);
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00003713
Yaniv Rosnerb457bcb2012-10-31 05:46:52 +00003714 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
Yaniv Rosner503976e2012-11-27 03:46:34 +00003715 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003716 cl72_ctrl &= 0x08ff;
Yaniv Rosnerb457bcb2012-10-31 05:46:52 +00003717 cl72_ctrl |= 0x3800;
3718 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
Yaniv Rosner503976e2012-11-27 03:46:34 +00003719 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
Yaniv Rosnerb457bcb2012-10-31 05:46:52 +00003720
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003721 /* Check adding advertisement for 1G KX */
3722 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3723 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3724 (vars->line_speed == SPEED_1000)) {
Yuval Mintza351d492012-06-20 19:05:21 +00003725 u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003726 an_adv |= (1<<5);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003727
3728 /* Enable CL37 1G Parallel Detect */
Yuval Mintza351d492012-06-20 19:05:21 +00003729 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003730 DP(NETIF_MSG_LINK, "Advertize 1G\n");
3731 }
3732 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3733 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
3734 (vars->line_speed == SPEED_10000)) {
3735 /* Check adding advertisement for 10G KR */
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003736 an_adv |= (1<<7);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003737 /* Enable 10G Parallel Detect */
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003738 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3739 MDIO_AER_BLOCK_AER_REG, 0);
3740
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003741 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
Yuval Mintza351d492012-06-20 19:05:21 +00003742 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003743 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003744 DP(NETIF_MSG_LINK, "Advertize 10G\n");
3745 }
3746
3747 /* Set Transmit PMD settings */
3748 lane = bnx2x_get_warpcore_lane(phy, params);
3749 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3750 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3751 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3752 (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3753 (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003754 /* Configure the next lane if dual mode */
3755 if (phy->flags & FLAGS_WC_DUAL_MODE)
3756 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3757 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
3758 ((0x02 <<
3759 MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3760 (0x06 <<
3761 MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3762 (0x09 <<
3763 MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003764 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3765 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
3766 0x03f0);
3767 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3768 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
3769 0x03f0);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003770
3771 /* Advertised speeds */
3772 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003773 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003774
David S. Miller8decf862011-09-22 03:23:13 -04003775 /* Advertised and set FEC (Forward Error Correction) */
3776 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3777 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
3778 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
3779 MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
3780
Yaniv Rosnera34bc962011-07-05 01:06:41 +00003781 /* Enable CL37 BAM */
3782 if (REG_RD(bp, params->shmem_base +
3783 offsetof(struct shmem_region, dev_info.
3784 port_hw_config[params->port].default_cfg)) &
3785 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
Yuval Mintza351d492012-06-20 19:05:21 +00003786 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3787 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
3788 1);
Yaniv Rosnera34bc962011-07-05 01:06:41 +00003789 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
3790 }
3791
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003792 /* Advertise pause */
3793 bnx2x_ext_phy_set_pause(params, phy, vars);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003794 /* Set KR Autoneg Work-Around flag for Warpcore version older than D108
Yaniv Rosner6ab48a52012-01-17 02:33:29 +00003795 */
3796 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003797 MDIO_WC_REG_UC_INFO_B1_VERSION, &ucode_ver);
3798 if (ucode_ver < 0xd108) {
3799 DP(NETIF_MSG_LINK, "Enable AN KR work-around. WC ver:0x%x\n",
3800 ucode_ver);
Yaniv Rosner6ab48a52012-01-17 02:33:29 +00003801 vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
3802 }
Yuval Mintza351d492012-06-20 19:05:21 +00003803 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3804 MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00003805
3806 /* Over 1G - AN local device user page 1 */
3807 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3808 MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
3809
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003810 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
3811 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
3812 (phy->req_line_speed == SPEED_20000)) {
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00003813
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003814 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3815 MDIO_AER_BLOCK_AER_REG, lane);
3816
3817 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3818 MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
3819 (1<<11));
3820
3821 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3822 MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
3823 bnx2x_set_aer_mmd(params, phy);
3824
3825 bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
3826 }
3827
3828 /* Enable Autoneg: only on the main lane */
3829 bnx2x_warpcore_restart_AN_KR(phy, params);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003830}
3831
3832static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
3833 struct link_params *params,
3834 struct link_vars *vars)
3835{
3836 struct bnx2x *bp = params->bp;
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003837 u16 val16, i, lane;
Yuval Mintza351d492012-06-20 19:05:21 +00003838 static struct bnx2x_reg_set reg_set[] = {
3839 /* Disable Autoneg */
3840 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
Yuval Mintza351d492012-06-20 19:05:21 +00003841 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3842 0x3f00},
3843 {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
3844 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
3845 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
3846 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
Yuval Mintza351d492012-06-20 19:05:21 +00003847 /* Leave cl72 training enable, needed for KR */
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00003848 {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
Yuval Mintza351d492012-06-20 19:05:21 +00003849 };
3850
3851 for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
3852 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3853 reg_set[i].val);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003854
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003855 lane = bnx2x_get_warpcore_lane(phy, params);
3856 /* Global registers */
3857 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3858 MDIO_AER_BLOCK_AER_REG, 0);
3859 /* Disable CL36 PCS Tx */
3860 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3861 MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
3862 val16 &= ~(0x0011 << lane);
3863 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3864 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003865
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003866 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3867 MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
3868 val16 |= (0x0303 << (lane << 1));
3869 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3870 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
3871 /* Restore AER */
3872 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003873 /* Set speed via PMA/PMD register */
3874 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3875 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
3876
3877 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3878 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
3879
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003880 /* Enable encoded forced speed */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003881 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3882 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
3883
3884 /* Turn TX scramble payload only the 64/66 scrambler */
3885 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3886 MDIO_WC_REG_TX66_CONTROL, 0x9);
3887
3888 /* Turn RX scramble payload only the 64/66 scrambler */
3889 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3890 MDIO_WC_REG_RX66_CONTROL, 0xF9);
3891
Yuval Mintzd2310232012-06-20 19:05:19 +00003892 /* Set and clear loopback to cause a reset to 64/66 decoder */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003893 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3894 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
3895 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3896 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3897
3898}
3899
3900static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
3901 struct link_params *params,
3902 u8 is_xfi)
3903{
3904 struct bnx2x *bp = params->bp;
3905 u16 misc1_val, tap_val, tx_driver_val, lane, val;
3906 /* Hold rxSeqStart */
Yuval Mintza351d492012-06-20 19:05:21 +00003907 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3908 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003909
3910 /* Hold tx_fifo_reset */
Yuval Mintza351d492012-06-20 19:05:21 +00003911 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3912 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003913
3914 /* Disable CL73 AN */
3915 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
3916
3917 /* Disable 100FX Enable and Auto-Detect */
Yaniv Rosner503976e2012-11-27 03:46:34 +00003918 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3919 MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003920
3921 /* Disable 100FX Idle detect */
Yuval Mintza351d492012-06-20 19:05:21 +00003922 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3923 MDIO_WC_REG_FX100_CTRL3, 0x0080);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003924
3925 /* Set Block address to Remote PHY & Clear forced_speed[5] */
Yaniv Rosner503976e2012-11-27 03:46:34 +00003926 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3927 MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003928
3929 /* Turn off auto-detect & fiber mode */
Yaniv Rosner503976e2012-11-27 03:46:34 +00003930 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3931 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3932 0xFFEE);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003933
3934 /* Set filter_force_link, disable_false_link and parallel_detect */
3935 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3936 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
3937 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3938 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3939 ((val | 0x0006) & 0xFFFE));
3940
3941 /* Set XFI / SFI */
3942 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3943 MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
3944
3945 misc1_val &= ~(0x1f);
3946
3947 if (is_xfi) {
3948 misc1_val |= 0x5;
3949 tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3950 (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3951 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
3952 tx_driver_val =
3953 ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3954 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3955 (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
3956
3957 } else {
3958 misc1_val |= 0x9;
Yaniv Rosner25182fc2012-04-04 01:28:57 +00003959 tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3960 (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3961 (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003962 tx_driver_val =
Yaniv Rosner25182fc2012-04-04 01:28:57 +00003963 ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003964 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
Yaniv Rosner25182fc2012-04-04 01:28:57 +00003965 (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003966 }
3967 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3968 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
3969
3970 /* Set Transmit PMD settings */
3971 lane = bnx2x_get_warpcore_lane(phy, params);
3972 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3973 MDIO_WC_REG_TX_FIR_TAP,
3974 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
3975 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3976 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3977 tx_driver_val);
3978
3979 /* Enable fiber mode, enable and invert sig_det */
Yuval Mintza351d492012-06-20 19:05:21 +00003980 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3981 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003982
3983 /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
Yuval Mintza351d492012-06-20 19:05:21 +00003984 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3985 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003986
Yuval Mintzec4010e2012-09-10 05:51:06 +00003987 bnx2x_warpcore_set_lpi_passthrough(phy, params);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00003988
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003989 /* 10G XFI Full Duplex */
3990 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3991 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
3992
3993 /* Release tx_fifo_reset */
Yaniv Rosner503976e2012-11-27 03:46:34 +00003994 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3995 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
3996 0xFFFE);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003997 /* Release rxSeqStart */
Yaniv Rosner503976e2012-11-27 03:46:34 +00003998 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3999 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004000}
4001
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00004002static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
4003 struct link_params *params)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004004{
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00004005 u16 val;
4006 struct bnx2x *bp = params->bp;
4007 /* Set global registers, so set AER lane to 0 */
4008 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4009 MDIO_AER_BLOCK_AER_REG, 0);
4010
4011 /* Disable sequencer */
4012 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4013 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
4014
4015 bnx2x_set_aer_mmd(params, phy);
4016
4017 bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
4018 MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
4019 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4020 MDIO_AN_REG_CTRL, 0);
4021 /* Turn off CL73 */
4022 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4023 MDIO_WC_REG_CL73_USERB0_CTRL, &val);
4024 val &= ~(1<<5);
4025 val |= (1<<6);
4026 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4027 MDIO_WC_REG_CL73_USERB0_CTRL, val);
4028
4029 /* Set 20G KR2 force speed */
4030 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4031 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
4032
4033 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4034 MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
4035
4036 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4037 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
4038 val &= ~(3<<14);
4039 val |= (1<<15);
4040 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4041 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
4042 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4043 MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
4044
4045 /* Enable sequencer (over lane 0) */
4046 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4047 MDIO_AER_BLOCK_AER_REG, 0);
4048
4049 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4050 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
4051
4052 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004053}
4054
4055static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
4056 struct bnx2x_phy *phy,
4057 u16 lane)
4058{
4059 /* Rx0 anaRxControl1G */
4060 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4061 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
4062
4063 /* Rx2 anaRxControl1G */
4064 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4065 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
4066
4067 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4068 MDIO_WC_REG_RX66_SCW0, 0xE070);
4069
4070 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4071 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
4072
4073 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4074 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
4075
4076 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4077 MDIO_WC_REG_RX66_SCW3, 0x8090);
4078
4079 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4080 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
4081
4082 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4083 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
4084
4085 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4086 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
4087
4088 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4089 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
4090
4091 /* Serdes Digital Misc1 */
4092 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4093 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
4094
4095 /* Serdes Digital4 Misc3 */
4096 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4097 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
4098
4099 /* Set Transmit PMD settings */
4100 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4101 MDIO_WC_REG_TX_FIR_TAP,
4102 ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
4103 (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
4104 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
4105 MDIO_WC_REG_TX_FIR_TAP_ENABLE));
4106 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4107 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4108 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
4109 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
4110 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
4111}
4112
4113static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
4114 struct link_params *params,
Yaniv Rosner521683d2011-11-28 00:49:48 +00004115 u8 fiber_mode,
4116 u8 always_autoneg)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004117{
4118 struct bnx2x *bp = params->bp;
4119 u16 val16, digctrl_kx1, digctrl_kx2;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004120
4121 /* Clear XFI clock comp in non-10G single lane mode. */
Yaniv Rosner503976e2012-11-27 03:46:34 +00004122 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4123 MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004124
Yuval Mintz26964bb2012-09-10 05:51:08 +00004125 bnx2x_warpcore_set_lpi_passthrough(phy, params);
4126
Yaniv Rosner521683d2011-11-28 00:49:48 +00004127 if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004128 /* SGMII Autoneg */
Yaniv Rosner503976e2012-11-27 03:46:34 +00004129 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4130 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4131 0x1000);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004132 DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
4133 } else {
4134 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4135 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
Yaniv Rosner521683d2011-11-28 00:49:48 +00004136 val16 &= 0xcebf;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004137 switch (phy->req_line_speed) {
4138 case SPEED_10:
4139 break;
4140 case SPEED_100:
4141 val16 |= 0x2000;
4142 break;
4143 case SPEED_1000:
4144 val16 |= 0x0040;
4145 break;
4146 default:
Joe Perches94f05b02011-08-14 12:16:20 +00004147 DP(NETIF_MSG_LINK,
4148 "Speed not supported: 0x%x\n", phy->req_line_speed);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004149 return;
4150 }
4151
4152 if (phy->req_duplex == DUPLEX_FULL)
4153 val16 |= 0x0100;
4154
4155 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4156 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
4157
4158 DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
4159 phy->req_line_speed);
4160 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4161 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4162 DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
4163 }
4164
4165 /* SGMII Slave mode and disable signal detect */
4166 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4167 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
4168 if (fiber_mode)
4169 digctrl_kx1 = 1;
4170 else
4171 digctrl_kx1 &= 0xff4a;
4172
4173 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4174 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4175 digctrl_kx1);
4176
4177 /* Turn off parallel detect */
4178 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4179 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
4180 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4181 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4182 (digctrl_kx2 & ~(1<<2)));
4183
4184 /* Re-enable parallel detect */
4185 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4186 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4187 (digctrl_kx2 | (1<<2)));
4188
4189 /* Enable autodet */
4190 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4191 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4192 (digctrl_kx1 | 0x10));
4193}
4194
4195static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
4196 struct bnx2x_phy *phy,
4197 u8 reset)
4198{
4199 u16 val;
4200 /* Take lane out of reset after configuration is finished */
4201 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4202 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4203 if (reset)
4204 val |= 0xC000;
4205 else
4206 val &= 0x3FFF;
4207 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4208 MDIO_WC_REG_DIGITAL5_MISC6, val);
4209 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4210 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4211}
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004212/* Clear SFI/XFI link settings registers */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004213static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
4214 struct link_params *params,
4215 u16 lane)
4216{
4217 struct bnx2x *bp = params->bp;
Yuval Mintza351d492012-06-20 19:05:21 +00004218 u16 i;
4219 static struct bnx2x_reg_set wc_regs[] = {
4220 {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
4221 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
4222 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
4223 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
4224 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4225 0x0195},
4226 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4227 0x0007},
4228 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4229 0x0002},
4230 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
4231 {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
4232 {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
4233 {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
4234 };
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004235 /* Set XFI clock comp as default. */
Yuval Mintza351d492012-06-20 19:05:21 +00004236 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4237 MDIO_WC_REG_RX66_CONTROL, (3<<13));
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004238
Yuval Mintza351d492012-06-20 19:05:21 +00004239 for (i = 0; i < sizeof(wc_regs)/sizeof(struct bnx2x_reg_set); i++)
4240 bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
4241 wc_regs[i].val);
4242
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004243 lane = bnx2x_get_warpcore_lane(phy, params);
4244 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004245 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
Yuval Mintza351d492012-06-20 19:05:21 +00004246
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004247}
4248
4249static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
4250 u32 chip_id,
4251 u32 shmem_base, u8 port,
4252 u8 *gpio_num, u8 *gpio_port)
4253{
4254 u32 cfg_pin;
4255 *gpio_num = 0;
4256 *gpio_port = 0;
4257 if (CHIP_IS_E3(bp)) {
4258 cfg_pin = (REG_RD(bp, shmem_base +
4259 offsetof(struct shmem_region,
4260 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4261 PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4262 PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4263
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004264 /* Should not happen. This function called upon interrupt
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004265 * triggered by GPIO ( since EPIO can only generate interrupts
4266 * to MCP).
4267 * So if this function was called and none of the GPIOs was set,
4268 * it means the shit hit the fan.
4269 */
4270 if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4271 (cfg_pin > PIN_CFG_GPIO3_P1)) {
Joe Perches94f05b02011-08-14 12:16:20 +00004272 DP(NETIF_MSG_LINK,
Yaniv Rosner503976e2012-11-27 03:46:34 +00004273 "No cfg pin %x for module detect indication\n",
Joe Perches94f05b02011-08-14 12:16:20 +00004274 cfg_pin);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004275 return -EINVAL;
4276 }
4277
4278 *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4279 *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4280 } else {
4281 *gpio_num = MISC_REGISTERS_GPIO_3;
4282 *gpio_port = port;
4283 }
Yaniv Rosner503976e2012-11-27 03:46:34 +00004284
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004285 return 0;
4286}
4287
4288static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
4289 struct link_params *params)
4290{
4291 struct bnx2x *bp = params->bp;
4292 u8 gpio_num, gpio_port;
4293 u32 gpio_val;
4294 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
4295 params->shmem_base, params->port,
4296 &gpio_num, &gpio_port) != 0)
4297 return 0;
4298 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
4299
4300 /* Call the handling function in case module is detected */
4301 if (gpio_val == 0)
4302 return 1;
4303 else
4304 return 0;
4305}
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004306static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
Yaniv Rosner503976e2012-11-27 03:46:34 +00004307 struct link_params *params)
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004308{
4309 u16 gp2_status_reg0, lane;
4310 struct bnx2x *bp = params->bp;
4311
4312 lane = bnx2x_get_warpcore_lane(phy, params);
4313
4314 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
4315 &gp2_status_reg0);
4316
4317 return (gp2_status_reg0 >> (8+lane)) & 0x1;
4318}
4319
4320static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
Yaniv Rosner503976e2012-11-27 03:46:34 +00004321 struct link_params *params,
4322 struct link_vars *vars)
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004323{
4324 struct bnx2x *bp = params->bp;
4325 u32 serdes_net_if;
4326 u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
4327 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4328
4329 vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
4330
4331 if (!vars->turn_to_run_wc_rt)
4332 return;
4333
Yuval Mintzd2310232012-06-20 19:05:19 +00004334 /* Return if there is no link partner */
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004335 if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
4336 DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
4337 return;
4338 }
4339
4340 if (vars->rx_tx_asic_rst) {
4341 serdes_net_if = (REG_RD(bp, params->shmem_base +
4342 offsetof(struct shmem_region, dev_info.
4343 port_hw_config[params->port].default_cfg)) &
4344 PORT_HW_CFG_NET_SERDES_IF_MASK);
4345
4346 switch (serdes_net_if) {
4347 case PORT_HW_CFG_NET_SERDES_IF_KR:
4348 /* Do we get link yet? */
4349 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
Yaniv Rosner503976e2012-11-27 03:46:34 +00004350 &gp_status1);
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004351 lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
4352 /*10G KR*/
4353 lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
4354
4355 DP(NETIF_MSG_LINK,
4356 "gp_status1 0x%x\n", gp_status1);
4357
4358 if (lnkup_kr || lnkup) {
4359 vars->rx_tx_asic_rst = 0;
4360 DP(NETIF_MSG_LINK,
4361 "link up, rx_tx_asic_rst 0x%x\n",
4362 vars->rx_tx_asic_rst);
4363 } else {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004364 /* Reset the lane to see if link comes up.*/
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004365 bnx2x_warpcore_reset_lane(bp, phy, 1);
4366 bnx2x_warpcore_reset_lane(bp, phy, 0);
4367
Yuval Mintzd2310232012-06-20 19:05:19 +00004368 /* Restart Autoneg */
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004369 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4370 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4371
4372 vars->rx_tx_asic_rst--;
4373 DP(NETIF_MSG_LINK, "0x%x retry left\n",
4374 vars->rx_tx_asic_rst);
4375 }
4376 break;
4377
4378 default:
4379 break;
4380 }
4381
4382 } /*params->rx_tx_asic_rst*/
4383
4384}
Yuval Mintzdbef8072012-06-20 19:05:22 +00004385static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
4386 struct link_params *params)
4387{
4388 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4389 struct bnx2x *bp = params->bp;
4390 bnx2x_warpcore_clear_regs(phy, params, lane);
4391 if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
4392 SPEED_10000) &&
4393 (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
4394 DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
4395 bnx2x_warpcore_set_10G_XFI(phy, params, 0);
4396 } else {
4397 DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
4398 bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
4399 }
4400}
4401
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00004402static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
4403 struct bnx2x_phy *phy,
4404 u8 tx_en)
4405{
4406 struct bnx2x *bp = params->bp;
4407 u32 cfg_pin;
4408 u8 port = params->port;
4409
4410 cfg_pin = REG_RD(bp, params->shmem_base +
4411 offsetof(struct shmem_region,
4412 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4413 PORT_HW_CFG_E3_TX_LASER_MASK;
4414 /* Set the !tx_en since this pin is DISABLE_TX_LASER */
4415 DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
4416
4417 /* For 20G, the expected pin to be used is 3 pins after the current */
4418 bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
4419 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4420 bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
4421}
4422
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004423static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
4424 struct link_params *params,
4425 struct link_vars *vars)
4426{
4427 struct bnx2x *bp = params->bp;
4428 u32 serdes_net_if;
4429 u8 fiber_mode;
4430 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4431 serdes_net_if = (REG_RD(bp, params->shmem_base +
4432 offsetof(struct shmem_region, dev_info.
4433 port_hw_config[params->port].default_cfg)) &
4434 PORT_HW_CFG_NET_SERDES_IF_MASK);
4435 DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
4436 "serdes_net_if = 0x%x\n",
4437 vars->line_speed, serdes_net_if);
4438 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00004439 bnx2x_warpcore_reset_lane(bp, phy, 1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004440 vars->phy_flags |= PHY_XGXS_FLAG;
4441 if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4442 (phy->req_line_speed &&
4443 ((phy->req_line_speed == SPEED_100) ||
4444 (phy->req_line_speed == SPEED_10)))) {
4445 vars->phy_flags |= PHY_SGMII_FLAG;
4446 DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
4447 bnx2x_warpcore_clear_regs(phy, params, lane);
Yaniv Rosner521683d2011-11-28 00:49:48 +00004448 bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004449 } else {
4450 switch (serdes_net_if) {
4451 case PORT_HW_CFG_NET_SERDES_IF_KR:
4452 /* Enable KR Auto Neg */
Yaniv Rosner6a51c0d2012-04-04 01:28:56 +00004453 if (params->loopback_mode != LOOPBACK_EXT)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004454 bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4455 else {
4456 DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
4457 bnx2x_warpcore_set_10G_KR(phy, params, vars);
4458 }
4459 break;
4460
4461 case PORT_HW_CFG_NET_SERDES_IF_XFI:
4462 bnx2x_warpcore_clear_regs(phy, params, lane);
4463 if (vars->line_speed == SPEED_10000) {
4464 DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
4465 bnx2x_warpcore_set_10G_XFI(phy, params, 1);
4466 } else {
4467 if (SINGLE_MEDIA_DIRECT(params)) {
4468 DP(NETIF_MSG_LINK, "1G Fiber\n");
4469 fiber_mode = 1;
4470 } else {
4471 DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
4472 fiber_mode = 0;
4473 }
4474 bnx2x_warpcore_set_sgmii_speed(phy,
4475 params,
Yaniv Rosner521683d2011-11-28 00:49:48 +00004476 fiber_mode,
4477 0);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004478 }
4479
4480 break;
4481
4482 case PORT_HW_CFG_NET_SERDES_IF_SFI:
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00004483 /* Issue Module detection if module is plugged, or
4484 * enabled transmitter to avoid current leakage in case
4485 * no module is connected
4486 */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004487 if (bnx2x_is_sfp_module_plugged(phy, params))
4488 bnx2x_sfp_module_detection(phy, params);
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00004489 else
4490 bnx2x_sfp_e3_set_transmitter(params, phy, 1);
Yuval Mintzdbef8072012-06-20 19:05:22 +00004491
4492 bnx2x_warpcore_config_sfi(phy, params);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004493 break;
4494
4495 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4496 if (vars->line_speed != SPEED_20000) {
4497 DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4498 return;
4499 }
4500 DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
4501 bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
4502 /* Issue Module detection */
4503
4504 bnx2x_sfp_module_detection(phy, params);
4505 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004506 case PORT_HW_CFG_NET_SERDES_IF_KR2:
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00004507 if (!params->loopback_mode) {
4508 bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4509 } else {
4510 DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
4511 bnx2x_warpcore_set_20G_force_KR2(phy, params);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004512 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004513 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004514 default:
Joe Perches94f05b02011-08-14 12:16:20 +00004515 DP(NETIF_MSG_LINK,
4516 "Unsupported Serdes Net Interface 0x%x\n",
4517 serdes_net_if);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004518 return;
4519 }
4520 }
4521
4522 /* Take lane out of reset after configuration is finished */
4523 bnx2x_warpcore_reset_lane(bp, phy, 0);
4524 DP(NETIF_MSG_LINK, "Exit config init\n");
4525}
4526
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004527static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
4528 struct link_params *params)
4529{
4530 struct bnx2x *bp = params->bp;
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00004531 u16 val16, lane;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004532 bnx2x_sfp_e3_set_transmitter(params, phy, 0);
Yaniv Rosner55386fe82012-11-27 03:46:30 +00004533 bnx2x_set_mdio_emac_per_phy(bp, params);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004534 bnx2x_set_aer_mmd(params, phy);
4535 /* Global register */
4536 bnx2x_warpcore_reset_lane(bp, phy, 1);
4537
4538 /* Clear loopback settings (if any) */
4539 /* 10G & 20G */
Yaniv Rosner503976e2012-11-27 03:46:34 +00004540 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4541 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004542
Yaniv Rosner503976e2012-11-27 03:46:34 +00004543 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4544 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004545
4546 /* Update those 1-copy registers */
4547 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4548 MDIO_AER_BLOCK_AER_REG, 0);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004549 /* Enable 1G MDIO (1-copy) */
Yaniv Rosner503976e2012-11-27 03:46:34 +00004550 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4551 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4552 ~0x10);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004553
Yaniv Rosner503976e2012-11-27 03:46:34 +00004554 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4555 MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00004556 lane = bnx2x_get_warpcore_lane(phy, params);
4557 /* Disable CL36 PCS Tx */
4558 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4559 MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
4560 val16 |= (0x11 << lane);
4561 if (phy->flags & FLAGS_WC_DUAL_MODE)
4562 val16 |= (0x22 << lane);
4563 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4564 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
4565
4566 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4567 MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
4568 val16 &= ~(0x0303 << (lane << 1));
4569 val16 |= (0x0101 << (lane << 1));
4570 if (phy->flags & FLAGS_WC_DUAL_MODE) {
4571 val16 &= ~(0x0c0c << (lane << 1));
4572 val16 |= (0x0404 << (lane << 1));
4573 }
4574
4575 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4576 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
4577 /* Restore AER */
4578 bnx2x_set_aer_mmd(params, phy);
4579
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004580}
4581
4582static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
4583 struct link_params *params)
4584{
4585 struct bnx2x *bp = params->bp;
4586 u16 val16;
4587 u32 lane;
4588 DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
4589 params->loopback_mode, phy->req_line_speed);
4590
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00004591 if (phy->req_line_speed < SPEED_10000 ||
4592 phy->supported & SUPPORTED_20000baseKR2_Full) {
4593 /* 10/100/1000/20G-KR2 */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004594
4595 /* Update those 1-copy registers */
4596 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4597 MDIO_AER_BLOCK_AER_REG, 0);
4598 /* Enable 1G MDIO (1-copy) */
Yuval Mintza351d492012-06-20 19:05:21 +00004599 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4600 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4601 0x10);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004602 /* Set 1G loopback based on lane (1-copy) */
4603 lane = bnx2x_get_warpcore_lane(phy, params);
4604 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4605 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00004606 val16 |= (1<<lane);
4607 if (phy->flags & FLAGS_WC_DUAL_MODE)
4608 val16 |= (2<<lane);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004609 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
Yaniv Rosner503976e2012-11-27 03:46:34 +00004610 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4611 val16);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004612
4613 /* Switch back to 4-copy registers */
4614 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004615 } else {
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00004616 /* 10G / 20G-DXGXS */
Yuval Mintza351d492012-06-20 19:05:21 +00004617 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4618 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4619 0x4000);
Yuval Mintza351d492012-06-20 19:05:21 +00004620 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4621 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004622 }
4623}
4624
4625
Yuval Mintzd2310232012-06-20 19:05:19 +00004626
4627static void bnx2x_sync_link(struct link_params *params,
4628 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004629{
4630 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004631 u8 link_10g_plus;
Yaniv Rosnerde6f3372011-08-02 22:59:25 +00004632 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4633 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004634 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004635 if (vars->link_up) {
4636 DP(NETIF_MSG_LINK, "phy link up\n");
4637
4638 vars->phy_link_up = 1;
4639 vars->duplex = DUPLEX_FULL;
4640 switch (vars->link_status &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004641 LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004642 case LINK_10THD:
4643 vars->duplex = DUPLEX_HALF;
4644 /* Fall thru */
4645 case LINK_10TFD:
4646 vars->line_speed = SPEED_10;
4647 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004648
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004649 case LINK_100TXHD:
4650 vars->duplex = DUPLEX_HALF;
4651 /* Fall thru */
4652 case LINK_100T4:
4653 case LINK_100TXFD:
4654 vars->line_speed = SPEED_100;
4655 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004656
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004657 case LINK_1000THD:
4658 vars->duplex = DUPLEX_HALF;
4659 /* Fall thru */
4660 case LINK_1000TFD:
4661 vars->line_speed = SPEED_1000;
4662 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004663
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004664 case LINK_2500THD:
4665 vars->duplex = DUPLEX_HALF;
4666 /* Fall thru */
4667 case LINK_2500TFD:
4668 vars->line_speed = SPEED_2500;
4669 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004670
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004671 case LINK_10GTFD:
4672 vars->line_speed = SPEED_10000;
4673 break;
4674 case LINK_20GTFD:
4675 vars->line_speed = SPEED_20000;
4676 break;
4677 default:
4678 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004679 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004680 vars->flow_ctrl = 0;
4681 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
4682 vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
4683
4684 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
4685 vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
4686
4687 if (!vars->flow_ctrl)
4688 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4689
4690 if (vars->line_speed &&
4691 ((vars->line_speed == SPEED_10) ||
4692 (vars->line_speed == SPEED_100))) {
4693 vars->phy_flags |= PHY_SGMII_FLAG;
4694 } else {
4695 vars->phy_flags &= ~PHY_SGMII_FLAG;
4696 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004697 if (vars->line_speed &&
4698 USES_WARPCORE(bp) &&
4699 (vars->line_speed == SPEED_1000))
4700 vars->phy_flags |= PHY_SGMII_FLAG;
Yuval Mintzd2310232012-06-20 19:05:19 +00004701 /* Anything 10 and over uses the bmac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004702 link_10g_plus = (vars->line_speed >= SPEED_10000);
4703
4704 if (link_10g_plus) {
4705 if (USES_WARPCORE(bp))
4706 vars->mac_type = MAC_TYPE_XMAC;
4707 else
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004708 vars->mac_type = MAC_TYPE_BMAC;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004709 } else {
4710 if (USES_WARPCORE(bp))
4711 vars->mac_type = MAC_TYPE_UMAC;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004712 else
4713 vars->mac_type = MAC_TYPE_EMAC;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004714 }
Yuval Mintzd2310232012-06-20 19:05:19 +00004715 } else { /* Link down */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004716 DP(NETIF_MSG_LINK, "phy link down\n");
4717
4718 vars->phy_link_up = 0;
4719
4720 vars->line_speed = 0;
4721 vars->duplex = DUPLEX_FULL;
4722 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4723
Yuval Mintzd2310232012-06-20 19:05:19 +00004724 /* Indicate no mac active */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004725 vars->mac_type = MAC_TYPE_NONE;
Yaniv Rosnerde6f3372011-08-02 22:59:25 +00004726 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4727 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +00004728 if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
4729 vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004730 }
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004731}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004732
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004733void bnx2x_link_status_update(struct link_params *params,
4734 struct link_vars *vars)
4735{
4736 struct bnx2x *bp = params->bp;
4737 u8 port = params->port;
4738 u32 sync_offset, media_types;
4739 /* Update PHY configuration */
4740 set_phy_vars(params, vars);
4741
4742 vars->link_status = REG_RD(bp, params->shmem_base +
4743 offsetof(struct shmem_region,
4744 port_mb[port].link_status));
Yuval Mintz08e9acc2012-09-10 05:51:04 +00004745 if (bnx2x_eee_has_cap(params))
4746 vars->eee_status = REG_RD(bp, params->shmem2_base +
4747 offsetof(struct shmem2_region,
4748 eee_status[params->port]));
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004749
4750 vars->phy_flags = PHY_XGXS_FLAG;
4751 bnx2x_sync_link(params, vars);
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00004752 /* Sync media type */
4753 sync_offset = params->shmem_base +
4754 offsetof(struct shmem_region,
4755 dev_info.port_hw_config[port].media_type);
4756 media_types = REG_RD(bp, sync_offset);
4757
4758 params->phy[INT_PHY].media_type =
4759 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
4760 PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
4761 params->phy[EXT_PHY1].media_type =
4762 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
4763 PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
4764 params->phy[EXT_PHY2].media_type =
4765 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
4766 PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
4767 DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
4768
Yaniv Rosner020c7e32011-05-31 21:28:43 +00004769 /* Sync AEU offset */
4770 sync_offset = params->shmem_base +
4771 offsetof(struct shmem_region,
4772 dev_info.port_hw_config[port].aeu_int_mask);
4773
4774 vars->aeu_int_mask = REG_RD(bp, sync_offset);
4775
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00004776 /* Sync PFC status */
4777 if (vars->link_status & LINK_STATUS_PFC_ENABLED)
4778 params->feature_config_flags |=
4779 FEATURE_CONFIG_PFC_ENABLED;
4780 else
4781 params->feature_config_flags &=
4782 ~FEATURE_CONFIG_PFC_ENABLED;
4783
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00004784 if (SHMEM2_HAS(bp, link_attr_sync))
4785 vars->link_attr_sync = SHMEM2_RD(bp,
4786 link_attr_sync[params->port]);
4787
Yaniv Rosner020c7e32011-05-31 21:28:43 +00004788 DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
4789 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004790 DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
4791 vars->line_speed, vars->duplex, vars->flow_ctrl);
4792}
4793
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004794static void bnx2x_set_master_ln(struct link_params *params,
4795 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004796{
4797 struct bnx2x *bp = params->bp;
4798 u16 new_master_ln, ser_lane;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004799 ser_lane = ((params->lane_config &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004800 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004801 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004802
Yuval Mintzd2310232012-06-20 19:05:19 +00004803 /* Set the master_ln for AN */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004804 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004805 MDIO_REG_BANK_XGXS_BLOCK2,
4806 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4807 &new_master_ln);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004808
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004809 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004810 MDIO_REG_BANK_XGXS_BLOCK2 ,
4811 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4812 (new_master_ln | ser_lane));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004813}
4814
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004815static int bnx2x_reset_unicore(struct link_params *params,
4816 struct bnx2x_phy *phy,
4817 u8 set_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004818{
4819 struct bnx2x *bp = params->bp;
4820 u16 mii_control;
4821 u16 i;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004822 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004823 MDIO_REG_BANK_COMBO_IEEE0,
4824 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004825
Yuval Mintzd2310232012-06-20 19:05:19 +00004826 /* Reset the unicore */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004827 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004828 MDIO_REG_BANK_COMBO_IEEE0,
4829 MDIO_COMBO_IEEE0_MII_CONTROL,
4830 (mii_control |
4831 MDIO_COMBO_IEEO_MII_CONTROL_RESET));
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004832 if (set_serdes)
4833 bnx2x_set_serdes_access(bp, params->port);
Eilon Greensteinc1b73992009-02-12 08:37:07 +00004834
Yuval Mintzd2310232012-06-20 19:05:19 +00004835 /* Wait for the reset to self clear */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004836 for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
4837 udelay(5);
4838
Yuval Mintzd2310232012-06-20 19:05:19 +00004839 /* The reset erased the previous bank value */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004840 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004841 MDIO_REG_BANK_COMBO_IEEE0,
4842 MDIO_COMBO_IEEE0_MII_CONTROL,
4843 &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004844
4845 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
4846 udelay(5);
4847 return 0;
4848 }
4849 }
4850
Yaniv Rosner6d870c32011-01-31 04:22:20 +00004851 netdev_err(bp->dev, "Warning: PHY was not initialized,"
4852 " Port %d\n",
4853 params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004854 DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
4855 return -EINVAL;
4856
4857}
4858
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004859static void bnx2x_set_swap_lanes(struct link_params *params,
4860 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004861{
4862 struct bnx2x *bp = params->bp;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004863 /* Each two bits represents a lane number:
4864 * No swap is 0123 => 0x1b no need to enable the swap
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004865 */
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004866 u16 rx_lane_swap, tx_lane_swap;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004867
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004868 rx_lane_swap = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004869 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
4870 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004871 tx_lane_swap = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004872 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
4873 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004874
4875 if (rx_lane_swap != 0x1b) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004876 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004877 MDIO_REG_BANK_XGXS_BLOCK2,
4878 MDIO_XGXS_BLOCK2_RX_LN_SWAP,
4879 (rx_lane_swap |
4880 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
4881 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004882 } else {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004883 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004884 MDIO_REG_BANK_XGXS_BLOCK2,
4885 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004886 }
4887
4888 if (tx_lane_swap != 0x1b) {
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_TX_LN_SWAP,
4892 (tx_lane_swap |
4893 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004894 } else {
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, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004898 }
4899}
4900
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004901static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
4902 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004903{
4904 struct bnx2x *bp = params->bp;
4905 u16 control2;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004906 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004907 MDIO_REG_BANK_SERDES_DIGITAL,
4908 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4909 &control2);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004910 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02004911 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4912 else
4913 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004914 DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
4915 phy->speed_cap_mask, control2);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004916 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004917 MDIO_REG_BANK_SERDES_DIGITAL,
4918 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4919 control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004920
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004921 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00004922 (phy->speed_cap_mask &
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02004923 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004924 DP(NETIF_MSG_LINK, "XGXS\n");
4925
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004926 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004927 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4928 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
4929 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004930
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004931 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004932 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4933 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4934 &control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004935
4936
4937 control2 |=
4938 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
4939
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004940 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004941 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4942 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4943 control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004944
4945 /* Disable parallel detection of HiG */
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_XGXS_BLOCK2,
4948 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
4949 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
4950 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004951 }
4952}
4953
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004954static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
4955 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004956 struct link_vars *vars,
4957 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004958{
4959 struct bnx2x *bp = params->bp;
4960 u16 reg_val;
4961
4962 /* CL37 Autoneg */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004963 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004964 MDIO_REG_BANK_COMBO_IEEE0,
4965 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004966
4967 /* CL37 Autoneg Enabled */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004968 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004969 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
4970 else /* CL37 Autoneg Disabled */
4971 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4972 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
4973
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004974 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004975 MDIO_REG_BANK_COMBO_IEEE0,
4976 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004977
4978 /* Enable/Disable Autodetection */
4979
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004980 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004981 MDIO_REG_BANK_SERDES_DIGITAL,
4982 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00004983 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
4984 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
4985 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004986 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004987 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
4988 else
4989 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
4990
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004991 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004992 MDIO_REG_BANK_SERDES_DIGITAL,
4993 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004994
4995 /* Enable TetonII and BAM autoneg */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004996 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004997 MDIO_REG_BANK_BAM_NEXT_PAGE,
4998 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004999 &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005000 if (vars->line_speed == SPEED_AUTO_NEG) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005001 /* Enable BAM aneg Mode and TetonII aneg Mode */
5002 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5003 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5004 } else {
5005 /* TetonII and BAM Autoneg Disabled */
5006 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5007 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5008 }
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005009 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005010 MDIO_REG_BANK_BAM_NEXT_PAGE,
5011 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5012 reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005013
Eilon Greenstein239d6862009-08-12 08:23:04 +00005014 if (enable_cl73) {
5015 /* Enable Cl73 FSM status bits */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005016 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005017 MDIO_REG_BANK_CL73_USERB0,
5018 MDIO_CL73_USERB0_CL73_UCTRL,
5019 0xe);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005020
5021 /* Enable BAM Station Manager*/
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005022 CL22_WR_OVER_CL45(bp, phy,
Eilon Greenstein239d6862009-08-12 08:23:04 +00005023 MDIO_REG_BANK_CL73_USERB0,
5024 MDIO_CL73_USERB0_CL73_BAM_CTRL1,
5025 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
5026 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
5027 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
5028
Yaniv Rosner7846e472009-11-05 19:18:07 +02005029 /* Advertise CL73 link speeds */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005030 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005031 MDIO_REG_BANK_CL73_IEEEB1,
5032 MDIO_CL73_IEEEB1_AN_ADV2,
5033 &reg_val);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005034 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02005035 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5036 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005037 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02005038 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5039 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
Eilon Greenstein239d6862009-08-12 08:23:04 +00005040
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005041 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005042 MDIO_REG_BANK_CL73_IEEEB1,
5043 MDIO_CL73_IEEEB1_AN_ADV2,
5044 reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005045
Eilon Greenstein239d6862009-08-12 08:23:04 +00005046 /* CL73 Autoneg Enabled */
5047 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
5048
5049 } else /* CL73 Autoneg Disabled */
5050 reg_val = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005051
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005052 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005053 MDIO_REG_BANK_CL73_IEEEB0,
5054 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005055}
5056
Yuval Mintzd2310232012-06-20 19:05:19 +00005057/* Program SerDes, forced speed */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005058static void bnx2x_program_serdes(struct bnx2x_phy *phy,
5059 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005060 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005061{
5062 struct bnx2x *bp = params->bp;
5063 u16 reg_val;
5064
Yuval Mintzd2310232012-06-20 19:05:19 +00005065 /* Program duplex, disable autoneg and sgmii*/
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005066 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005067 MDIO_REG_BANK_COMBO_IEEE0,
5068 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005069 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
Eilon Greenstein57937202009-08-12 08:23:53 +00005070 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5071 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005072 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005073 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005074 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005075 MDIO_REG_BANK_COMBO_IEEE0,
5076 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005077
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00005078 /* Program speed
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005079 * - needed only if the speed is greater than 1G (2.5G or 10G)
5080 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005081 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005082 MDIO_REG_BANK_SERDES_DIGITAL,
5083 MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Yuval Mintzd2310232012-06-20 19:05:19 +00005084 /* Clearing the speed value before setting the right speed */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005085 DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
5086
5087 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
5088 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5089
5090 if (!((vars->line_speed == SPEED_1000) ||
5091 (vars->line_speed == SPEED_100) ||
5092 (vars->line_speed == SPEED_10))) {
5093
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005094 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
5095 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005096 if (vars->line_speed == SPEED_10000)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005097 reg_val |=
5098 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005099 }
5100
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005101 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005102 MDIO_REG_BANK_SERDES_DIGITAL,
5103 MDIO_SERDES_DIGITAL_MISC1, reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005104
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005105}
5106
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005107static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
5108 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005109{
5110 struct bnx2x *bp = params->bp;
5111 u16 val = 0;
5112
Yuval Mintzd2310232012-06-20 19:05:19 +00005113 /* Set extended capabilities */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005114 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005115 val |= MDIO_OVER_1G_UP1_2_5G;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005116 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005117 val |= MDIO_OVER_1G_UP1_10G;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005118 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005119 MDIO_REG_BANK_OVER_1G,
5120 MDIO_OVER_1G_UP1, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005121
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005122 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005123 MDIO_REG_BANK_OVER_1G,
5124 MDIO_OVER_1G_UP3, 0x400);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005125}
5126
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005127static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
5128 struct link_params *params,
5129 u16 ieee_fc)
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005130{
5131 struct bnx2x *bp = params->bp;
Yaniv Rosner7846e472009-11-05 19:18:07 +02005132 u16 val;
Yuval Mintzd2310232012-06-20 19:05:19 +00005133 /* For AN, we are always publishing full duplex */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005134
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005135 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005136 MDIO_REG_BANK_COMBO_IEEE0,
5137 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005138 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005139 MDIO_REG_BANK_CL73_IEEEB1,
5140 MDIO_CL73_IEEEB1_AN_ADV1, &val);
Yaniv Rosner7846e472009-11-05 19:18:07 +02005141 val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
5142 val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005143 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005144 MDIO_REG_BANK_CL73_IEEEB1,
5145 MDIO_CL73_IEEEB1_AN_ADV1, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005146}
5147
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005148static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
5149 struct link_params *params,
5150 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005151{
5152 struct bnx2x *bp = params->bp;
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00005153 u16 mii_control;
Eilon Greenstein239d6862009-08-12 08:23:04 +00005154
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005155 DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00005156 /* Enable and restart BAM/CL37 aneg */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005157
Eilon Greenstein239d6862009-08-12 08:23:04 +00005158 if (enable_cl73) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005159 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005160 MDIO_REG_BANK_CL73_IEEEB0,
5161 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5162 &mii_control);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005163
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005164 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005165 MDIO_REG_BANK_CL73_IEEEB0,
5166 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5167 (mii_control |
5168 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
5169 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
Eilon Greenstein239d6862009-08-12 08:23:04 +00005170 } else {
5171
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005172 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005173 MDIO_REG_BANK_COMBO_IEEE0,
5174 MDIO_COMBO_IEEE0_MII_CONTROL,
5175 &mii_control);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005176 DP(NETIF_MSG_LINK,
5177 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
5178 mii_control);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005179 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005180 MDIO_REG_BANK_COMBO_IEEE0,
5181 MDIO_COMBO_IEEE0_MII_CONTROL,
5182 (mii_control |
5183 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5184 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
Eilon Greenstein239d6862009-08-12 08:23:04 +00005185 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005186}
5187
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005188static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
5189 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005190 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005191{
5192 struct bnx2x *bp = params->bp;
5193 u16 control1;
5194
Yuval Mintzd2310232012-06-20 19:05:19 +00005195 /* In SGMII mode, the unicore is always slave */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005196
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005197 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005198 MDIO_REG_BANK_SERDES_DIGITAL,
5199 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5200 &control1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005201 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
Yuval Mintzd2310232012-06-20 19:05:19 +00005202 /* Set sgmii mode (and not fiber) */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005203 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
5204 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
5205 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005206 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005207 MDIO_REG_BANK_SERDES_DIGITAL,
5208 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5209 control1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005210
Yuval Mintzd2310232012-06-20 19:05:19 +00005211 /* If forced speed */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005212 if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Yuval Mintzd2310232012-06-20 19:05:19 +00005213 /* Set speed, disable autoneg */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005214 u16 mii_control;
5215
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005216 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005217 MDIO_REG_BANK_COMBO_IEEE0,
5218 MDIO_COMBO_IEEE0_MII_CONTROL,
5219 &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005220 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5221 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
5222 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
5223
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005224 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005225 case SPEED_100:
5226 mii_control |=
5227 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
5228 break;
5229 case SPEED_1000:
5230 mii_control |=
5231 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
5232 break;
5233 case SPEED_10:
Yuval Mintzd2310232012-06-20 19:05:19 +00005234 /* There is nothing to set for 10M */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005235 break;
5236 default:
Yuval Mintzd2310232012-06-20 19:05:19 +00005237 /* Invalid speed for SGMII */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005238 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5239 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005240 break;
5241 }
5242
Yuval Mintzd2310232012-06-20 19:05:19 +00005243 /* Setting the full duplex */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005244 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005245 mii_control |=
5246 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005247 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005248 MDIO_REG_BANK_COMBO_IEEE0,
5249 MDIO_COMBO_IEEE0_MII_CONTROL,
5250 mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005251
5252 } else { /* AN mode */
Yuval Mintzd2310232012-06-20 19:05:19 +00005253 /* Enable and restart AN */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005254 bnx2x_restart_autoneg(phy, params, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005255 }
5256}
5257
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00005258/* Link management
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005259 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005260static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
5261 struct link_params *params)
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02005262{
5263 struct bnx2x *bp = params->bp;
5264 u16 pd_10g, status2_1000x;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005265 if (phy->req_line_speed != SPEED_AUTO_NEG)
5266 return 0;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005267 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005268 MDIO_REG_BANK_SERDES_DIGITAL,
5269 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5270 &status2_1000x);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005271 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005272 MDIO_REG_BANK_SERDES_DIGITAL,
5273 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5274 &status2_1000x);
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02005275 if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
5276 DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
5277 params->port);
5278 return 1;
5279 }
5280
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005281 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005282 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5283 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
5284 &pd_10g);
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02005285
5286 if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
5287 DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
5288 params->port);
5289 return 1;
5290 }
5291 return 0;
5292}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005293
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005294static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
5295 struct link_params *params,
5296 struct link_vars *vars,
5297 u32 gp_status)
5298{
5299 u16 ld_pause; /* local driver */
5300 u16 lp_pause; /* link partner */
5301 u16 pause_result;
5302 struct bnx2x *bp = params->bp;
5303 if ((gp_status &
5304 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5305 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
5306 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5307 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
5308
5309 CL22_RD_OVER_CL45(bp, phy,
5310 MDIO_REG_BANK_CL73_IEEEB1,
5311 MDIO_CL73_IEEEB1_AN_ADV1,
5312 &ld_pause);
5313 CL22_RD_OVER_CL45(bp, phy,
5314 MDIO_REG_BANK_CL73_IEEEB1,
5315 MDIO_CL73_IEEEB1_AN_LP_ADV1,
5316 &lp_pause);
5317 pause_result = (ld_pause &
5318 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
5319 pause_result |= (lp_pause &
5320 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
5321 DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
5322 } else {
5323 CL22_RD_OVER_CL45(bp, phy,
5324 MDIO_REG_BANK_COMBO_IEEE0,
5325 MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
5326 &ld_pause);
5327 CL22_RD_OVER_CL45(bp, phy,
5328 MDIO_REG_BANK_COMBO_IEEE0,
5329 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
5330 &lp_pause);
5331 pause_result = (ld_pause &
5332 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
5333 pause_result |= (lp_pause &
5334 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
5335 DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
5336 }
5337 bnx2x_pause_resolve(vars, pause_result);
5338
5339}
5340
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005341static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
5342 struct link_params *params,
5343 struct link_vars *vars,
5344 u32 gp_status)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005345{
5346 struct bnx2x *bp = params->bp;
David S. Millerc0700f92008-12-16 23:53:20 -08005347 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005348
Yuval Mintzd2310232012-06-20 19:05:19 +00005349 /* Resolve from gp_status in case of AN complete and not sgmii */
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005350 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
5351 /* Update the advertised flow-controled of LD/LP in AN */
5352 if (phy->req_line_speed == SPEED_AUTO_NEG)
5353 bnx2x_update_adv_fc(phy, params, vars, gp_status);
5354 /* But set the flow-control result as the requested one */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005355 vars->flow_ctrl = phy->req_flow_ctrl;
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005356 } else if (phy->req_line_speed != SPEED_AUTO_NEG)
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005357 vars->flow_ctrl = params->req_fc_auto_adv;
5358 else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
5359 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005360 if (bnx2x_direct_parallel_detect_used(phy, params)) {
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02005361 vars->flow_ctrl = params->req_fc_auto_adv;
5362 return;
5363 }
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005364 bnx2x_update_adv_fc(phy, params, vars, gp_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005365 }
5366 DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
5367}
5368
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005369static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
5370 struct link_params *params)
Eilon Greenstein239d6862009-08-12 08:23:04 +00005371{
5372 struct bnx2x *bp = params->bp;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005373 u16 rx_status, ustat_val, cl37_fsm_received;
Eilon Greenstein239d6862009-08-12 08:23:04 +00005374 DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
5375 /* Step 1: Make sure signal is detected */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005376 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005377 MDIO_REG_BANK_RX0,
5378 MDIO_RX0_RX_STATUS,
5379 &rx_status);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005380 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
5381 (MDIO_RX0_RX_STATUS_SIGDET)) {
5382 DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
5383 "rx_status(0x80b0) = 0x%x\n", rx_status);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005384 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005385 MDIO_REG_BANK_CL73_IEEEB0,
5386 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5387 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005388 return;
5389 }
5390 /* Step 2: Check CL73 state machine */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005391 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005392 MDIO_REG_BANK_CL73_USERB0,
5393 MDIO_CL73_USERB0_CL73_USTAT1,
5394 &ustat_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005395 if ((ustat_val &
5396 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5397 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
5398 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5399 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
5400 DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
5401 "ustat_val(0x8371) = 0x%x\n", ustat_val);
5402 return;
5403 }
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00005404 /* Step 3: Check CL37 Message Pages received to indicate LP
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005405 * supports only CL37
5406 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005407 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005408 MDIO_REG_BANK_REMOTE_PHY,
5409 MDIO_REMOTE_PHY_MISC_RX_STATUS,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005410 &cl37_fsm_received);
5411 if ((cl37_fsm_received &
Eilon Greenstein239d6862009-08-12 08:23:04 +00005412 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5413 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
5414 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5415 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
5416 DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
5417 "misc_rx_status(0x8330) = 0x%x\n",
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005418 cl37_fsm_received);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005419 return;
5420 }
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00005421 /* The combined cl37/cl73 fsm state information indicating that
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005422 * we are connected to a device which does not support cl73, but
5423 * does support cl37 BAM. In this case we disable cl73 and
5424 * restart cl37 auto-neg
5425 */
5426
Eilon Greenstein239d6862009-08-12 08:23:04 +00005427 /* Disable CL73 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005428 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005429 MDIO_REG_BANK_CL73_IEEEB0,
5430 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5431 0);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005432 /* Restart CL37 autoneg */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005433 bnx2x_restart_autoneg(phy, params, 0);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005434 DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
5435}
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005436
5437static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
5438 struct link_params *params,
5439 struct link_vars *vars,
5440 u32 gp_status)
5441{
5442 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
5443 vars->link_status |=
5444 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5445
5446 if (bnx2x_direct_parallel_detect_used(phy, params))
5447 vars->link_status |=
5448 LINK_STATUS_PARALLEL_DETECTION_USED;
5449}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005450static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
5451 struct link_params *params,
5452 struct link_vars *vars,
5453 u16 is_link_up,
5454 u16 speed_mask,
5455 u16 is_duplex)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005456{
5457 struct bnx2x *bp = params->bp;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005458 if (phy->req_line_speed == SPEED_AUTO_NEG)
5459 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005460 if (is_link_up) {
5461 DP(NETIF_MSG_LINK, "phy link up\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005462
5463 vars->phy_link_up = 1;
5464 vars->link_status |= LINK_STATUS_LINK_UP;
5465
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005466 switch (speed_mask) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005467 case GP_STATUS_10M:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005468 vars->line_speed = SPEED_10;
Yaniv Rosner430d1722012-09-11 04:34:11 +00005469 if (is_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005470 vars->link_status |= LINK_10TFD;
5471 else
5472 vars->link_status |= LINK_10THD;
5473 break;
5474
5475 case GP_STATUS_100M:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005476 vars->line_speed = SPEED_100;
Yaniv Rosner430d1722012-09-11 04:34:11 +00005477 if (is_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005478 vars->link_status |= LINK_100TXFD;
5479 else
5480 vars->link_status |= LINK_100TXHD;
5481 break;
5482
5483 case GP_STATUS_1G:
5484 case GP_STATUS_1G_KX:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005485 vars->line_speed = SPEED_1000;
Yaniv Rosner430d1722012-09-11 04:34:11 +00005486 if (is_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005487 vars->link_status |= LINK_1000TFD;
5488 else
5489 vars->link_status |= LINK_1000THD;
5490 break;
5491
5492 case GP_STATUS_2_5G:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005493 vars->line_speed = SPEED_2500;
Yaniv Rosner430d1722012-09-11 04:34:11 +00005494 if (is_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005495 vars->link_status |= LINK_2500TFD;
5496 else
5497 vars->link_status |= LINK_2500THD;
5498 break;
5499
5500 case GP_STATUS_5G:
5501 case GP_STATUS_6G:
5502 DP(NETIF_MSG_LINK,
5503 "link speed unsupported gp_status 0x%x\n",
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005504 speed_mask);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005505 return -EINVAL;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005506
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005507 case GP_STATUS_10G_KX4:
5508 case GP_STATUS_10G_HIG:
5509 case GP_STATUS_10G_CX4:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005510 case GP_STATUS_10G_KR:
5511 case GP_STATUS_10G_SFI:
5512 case GP_STATUS_10G_XFI:
5513 vars->line_speed = SPEED_10000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005514 vars->link_status |= LINK_10GTFD;
5515 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005516 case GP_STATUS_20G_DXGXS:
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00005517 case GP_STATUS_20G_KR2:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005518 vars->line_speed = SPEED_20000;
5519 vars->link_status |= LINK_20GTFD;
5520 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005521 default:
5522 DP(NETIF_MSG_LINK,
5523 "link speed unsupported gp_status 0x%x\n",
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005524 speed_mask);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005525 return -EINVAL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005526 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005527 } else { /* link_down */
5528 DP(NETIF_MSG_LINK, "phy link down\n");
5529
5530 vars->phy_link_up = 0;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005531
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005532 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08005533 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005534 vars->mac_type = MAC_TYPE_NONE;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005535 }
5536 DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
5537 vars->phy_link_up, vars->line_speed);
5538 return 0;
5539}
Eilon Greenstein239d6862009-08-12 08:23:04 +00005540
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005541static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
5542 struct link_params *params,
5543 struct link_vars *vars)
5544{
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005545 struct bnx2x *bp = params->bp;
5546
5547 u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
5548 int rc = 0;
5549
5550 /* Read gp_status */
5551 CL22_RD_OVER_CL45(bp, phy,
5552 MDIO_REG_BANK_GP_STATUS,
5553 MDIO_GP_STATUS_TOP_AN_STATUS1,
5554 &gp_status);
5555 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
5556 duplex = DUPLEX_FULL;
5557 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
5558 link_up = 1;
5559 speed_mask = gp_status & GP_STATUS_SPEED_MASK;
5560 DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
5561 gp_status, link_up, speed_mask);
5562 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
5563 duplex);
5564 if (rc == -EINVAL)
5565 return rc;
5566
5567 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
5568 if (SINGLE_MEDIA_DIRECT(params)) {
Yaniv Rosner430d1722012-09-11 04:34:11 +00005569 vars->duplex = duplex;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005570 bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
5571 if (phy->req_line_speed == SPEED_AUTO_NEG)
5572 bnx2x_xgxs_an_resolve(phy, params, vars,
5573 gp_status);
5574 }
Yuval Mintzd2310232012-06-20 19:05:19 +00005575 } else { /* Link_down */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005576 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5577 SINGLE_MEDIA_DIRECT(params)) {
Eilon Greenstein239d6862009-08-12 08:23:04 +00005578 /* Check signal is detected */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005579 bnx2x_check_fallback_to_cl37(phy, params);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005580 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005581 }
5582
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005583 /* Read LP advertised speeds*/
5584 if (SINGLE_MEDIA_DIRECT(params) &&
5585 (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
5586 u16 val;
5587
5588 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
5589 MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
5590
5591 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5592 vars->link_status |=
5593 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5594 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5595 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5596 vars->link_status |=
5597 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5598
5599 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
5600 MDIO_OVER_1G_LP_UP1, &val);
5601
5602 if (val & MDIO_OVER_1G_UP1_2_5G)
5603 vars->link_status |=
5604 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5605 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5606 vars->link_status |=
5607 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5608 }
5609
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005610 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5611 vars->duplex, vars->flow_ctrl, vars->link_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005612 return rc;
5613}
5614
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005615static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
5616 struct link_params *params,
5617 struct link_vars *vars)
5618{
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005619 struct bnx2x *bp = params->bp;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005620 u8 lane;
5621 u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
5622 int rc = 0;
5623 lane = bnx2x_get_warpcore_lane(phy, params);
5624 /* Read gp_status */
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00005625 if ((params->loopback_mode) &&
5626 (phy->flags & FLAGS_WC_DUAL_MODE)) {
5627 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5628 MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5629 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5630 MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5631 link_up &= 0x1;
5632 } else if ((phy->req_line_speed > SPEED_10000) &&
5633 (phy->supported & SUPPORTED_20000baseMLD2_Full)) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005634 u16 temp_link_up;
5635 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5636 1, &temp_link_up);
5637 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5638 1, &link_up);
5639 DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
5640 temp_link_up, link_up);
5641 link_up &= (1<<2);
5642 if (link_up)
5643 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5644 } else {
5645 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00005646 MDIO_WC_REG_GP2_STATUS_GP_2_1,
5647 &gp_status1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005648 DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00005649 /* Check for either KR, 1G, or AN up. */
5650 link_up = ((gp_status1 >> 8) |
5651 (gp_status1 >> 12) |
5652 (gp_status1)) &
5653 (1 << lane);
5654 if (phy->supported & SUPPORTED_20000baseKR2_Full) {
5655 u16 an_link;
5656 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5657 MDIO_AN_REG_STATUS, &an_link);
5658 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5659 MDIO_AN_REG_STATUS, &an_link);
5660 link_up |= (an_link & (1<<2));
5661 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005662 if (link_up && SINGLE_MEDIA_DIRECT(params)) {
5663 u16 pd, gp_status4;
5664 if (phy->req_line_speed == SPEED_AUTO_NEG) {
5665 /* Check Autoneg complete */
5666 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5667 MDIO_WC_REG_GP2_STATUS_GP_2_4,
5668 &gp_status4);
5669 if (gp_status4 & ((1<<12)<<lane))
5670 vars->link_status |=
5671 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5672
5673 /* Check parallel detect used */
5674 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5675 MDIO_WC_REG_PAR_DET_10G_STATUS,
5676 &pd);
5677 if (pd & (1<<15))
5678 vars->link_status |=
5679 LINK_STATUS_PARALLEL_DETECTION_USED;
5680 }
5681 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner430d1722012-09-11 04:34:11 +00005682 vars->duplex = duplex;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005683 }
5684 }
5685
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005686 if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
5687 SINGLE_MEDIA_DIRECT(params)) {
5688 u16 val;
5689
5690 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5691 MDIO_AN_REG_LP_AUTO_NEG2, &val);
5692
5693 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5694 vars->link_status |=
5695 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5696 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5697 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5698 vars->link_status |=
5699 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5700
5701 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5702 MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
5703
5704 if (val & MDIO_OVER_1G_UP1_2_5G)
5705 vars->link_status |=
5706 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5707 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5708 vars->link_status |=
5709 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5710
5711 }
5712
5713
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005714 if (lane < 2) {
5715 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5716 MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
5717 } else {
5718 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5719 MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
5720 }
5721 DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
5722
5723 if ((lane & 1) == 0)
5724 gp_speed <<= 8;
5725 gp_speed &= 0x3f00;
Yaniv Rosner4e7b4992012-11-27 03:46:29 +00005726 link_up = !!link_up;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005727
5728 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
5729 duplex);
5730
5731 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5732 vars->duplex, vars->flow_ctrl, vars->link_status);
5733 return rc;
5734}
Eilon Greensteined8680a2009-02-12 08:37:12 +00005735static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005736{
5737 struct bnx2x *bp = params->bp;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005738 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005739 u16 lp_up2;
5740 u16 tx_driver;
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005741 u16 bank;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005742
Yuval Mintzd2310232012-06-20 19:05:19 +00005743 /* Read precomp */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005744 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005745 MDIO_REG_BANK_OVER_1G,
5746 MDIO_OVER_1G_LP_UP2, &lp_up2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005747
Yuval Mintzd2310232012-06-20 19:05:19 +00005748 /* Bits [10:7] at lp_up2, positioned at [15:12] */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005749 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
5750 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
5751 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
5752
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005753 if (lp_up2 == 0)
5754 return;
5755
5756 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
5757 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005758 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005759 bank,
5760 MDIO_TX0_TX_DRIVER, &tx_driver);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005761
Yuval Mintzd2310232012-06-20 19:05:19 +00005762 /* Replace tx_driver bits [15:12] */
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005763 if (lp_up2 !=
5764 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
5765 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
5766 tx_driver |= lp_up2;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005767 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005768 bank,
5769 MDIO_TX0_TX_DRIVER, tx_driver);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005770 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005771 }
5772}
5773
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005774static int bnx2x_emac_program(struct link_params *params,
5775 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005776{
5777 struct bnx2x *bp = params->bp;
5778 u8 port = params->port;
5779 u16 mode = 0;
5780
5781 DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
5782 bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005783 EMAC_REG_EMAC_MODE,
5784 (EMAC_MODE_25G_MODE |
5785 EMAC_MODE_PORT_MII_10M |
5786 EMAC_MODE_HALF_DUPLEX));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005787 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005788 case SPEED_10:
5789 mode |= EMAC_MODE_PORT_MII_10M;
5790 break;
5791
5792 case SPEED_100:
5793 mode |= EMAC_MODE_PORT_MII;
5794 break;
5795
5796 case SPEED_1000:
5797 mode |= EMAC_MODE_PORT_GMII;
5798 break;
5799
5800 case SPEED_2500:
5801 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
5802 break;
5803
5804 default:
5805 /* 10G not valid for EMAC */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005806 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5807 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005808 return -EINVAL;
5809 }
5810
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005811 if (vars->duplex == DUPLEX_HALF)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005812 mode |= EMAC_MODE_HALF_DUPLEX;
5813 bnx2x_bits_en(bp,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005814 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
5815 mode);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005816
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005817 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005818 return 0;
5819}
5820
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005821static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
5822 struct link_params *params)
5823{
5824
5825 u16 bank, i = 0;
5826 struct bnx2x *bp = params->bp;
5827
5828 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
5829 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005830 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005831 bank,
5832 MDIO_RX0_RX_EQ_BOOST,
5833 phy->rx_preemphasis[i]);
5834 }
5835
5836 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
5837 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005838 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005839 bank,
5840 MDIO_TX0_TX_DRIVER,
5841 phy->tx_preemphasis[i]);
5842 }
5843}
5844
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005845static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
5846 struct link_params *params,
5847 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005848{
5849 struct bnx2x *bp = params->bp;
5850 u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
5851 (params->loopback_mode == LOOPBACK_XGXS));
5852 if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
5853 if (SINGLE_MEDIA_DIRECT(params) &&
5854 (params->feature_config_flags &
5855 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
5856 bnx2x_set_preemphasis(phy, params);
5857
Yuval Mintzd2310232012-06-20 19:05:19 +00005858 /* Forced speed requested? */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005859 if (vars->line_speed != SPEED_AUTO_NEG ||
5860 (SINGLE_MEDIA_DIRECT(params) &&
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005861 params->loopback_mode == LOOPBACK_EXT)) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005862 DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
5863
Yuval Mintzd2310232012-06-20 19:05:19 +00005864 /* Disable autoneg */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005865 bnx2x_set_autoneg(phy, params, vars, 0);
5866
Yuval Mintzd2310232012-06-20 19:05:19 +00005867 /* Program speed and duplex */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005868 bnx2x_program_serdes(phy, params, vars);
5869
5870 } else { /* AN_mode */
5871 DP(NETIF_MSG_LINK, "not SGMII, AN\n");
5872
5873 /* AN enabled */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005874 bnx2x_set_brcm_cl37_advertisement(phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005875
Yuval Mintzd2310232012-06-20 19:05:19 +00005876 /* Program duplex & pause advertisement (for aneg) */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005877 bnx2x_set_ieee_aneg_advertisement(phy, params,
5878 vars->ieee_fc);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005879
Yuval Mintzd2310232012-06-20 19:05:19 +00005880 /* Enable autoneg */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005881 bnx2x_set_autoneg(phy, params, vars, enable_cl73);
5882
Yuval Mintzd2310232012-06-20 19:05:19 +00005883 /* Enable and restart AN */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005884 bnx2x_restart_autoneg(phy, params, enable_cl73);
5885 }
5886
5887 } else { /* SGMII mode */
5888 DP(NETIF_MSG_LINK, "SGMII\n");
5889
5890 bnx2x_initialize_sgmii_process(phy, params, vars);
5891 }
5892}
5893
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005894static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
5895 struct link_params *params,
5896 struct link_vars *vars)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005897{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005898 int rc;
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005899 vars->phy_flags |= PHY_XGXS_FLAG;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005900 if ((phy->req_line_speed &&
5901 ((phy->req_line_speed == SPEED_100) ||
5902 (phy->req_line_speed == SPEED_10))) ||
5903 (!phy->req_line_speed &&
5904 (phy->speed_cap_mask >=
5905 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
5906 (phy->speed_cap_mask <
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005907 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5908 (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005909 vars->phy_flags |= PHY_SGMII_FLAG;
5910 else
5911 vars->phy_flags &= ~PHY_SGMII_FLAG;
5912
5913 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005914 bnx2x_set_aer_mmd(params, phy);
5915 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
5916 bnx2x_set_master_ln(params, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005917
5918 rc = bnx2x_reset_unicore(params, phy, 0);
Yuval Mintzd2310232012-06-20 19:05:19 +00005919 /* Reset the SerDes and wait for reset bit return low */
5920 if (rc)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005921 return rc;
5922
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005923 bnx2x_set_aer_mmd(params, phy);
Yuval Mintzd2310232012-06-20 19:05:19 +00005924 /* Setting the masterLn_def again after the reset */
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005925 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
5926 bnx2x_set_master_ln(params, phy);
5927 bnx2x_set_swap_lanes(params, phy);
5928 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005929
5930 return rc;
5931}
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005932
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005933static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
Yaniv Rosner6d870c32011-01-31 04:22:20 +00005934 struct bnx2x_phy *phy,
5935 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005936{
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005937 u16 cnt, ctrl;
Lucas De Marchi25985ed2011-03-30 22:57:33 -03005938 /* Wait for soft reset to get cleared up to 1 sec */
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005939 for (cnt = 0; cnt < 1000; cnt++) {
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +00005940 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
Yaniv Rosner6583e332011-06-14 01:34:17 +00005941 bnx2x_cl22_read(bp, phy,
5942 MDIO_PMA_REG_CTRL, &ctrl);
5943 else
5944 bnx2x_cl45_read(bp, phy,
5945 MDIO_PMA_DEVAD,
5946 MDIO_PMA_REG_CTRL, &ctrl);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005947 if (!(ctrl & (1<<15)))
5948 break;
Yuval Mintzd2310232012-06-20 19:05:19 +00005949 usleep_range(1000, 2000);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005950 }
Yaniv Rosner6d870c32011-01-31 04:22:20 +00005951
5952 if (cnt == 1000)
5953 netdev_err(bp->dev, "Warning: PHY was not initialized,"
5954 " Port %d\n",
5955 params->port);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005956 DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
5957 return cnt;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005958}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005959
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005960static void bnx2x_link_int_enable(struct link_params *params)
5961{
5962 u8 port = params->port;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005963 u32 mask;
5964 struct bnx2x *bp = params->bp;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005965
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005966 /* Setting the status to report on link up for either XGXS or SerDes */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005967 if (CHIP_IS_E3(bp)) {
5968 mask = NIG_MASK_XGXS0_LINK_STATUS;
5969 if (!(SINGLE_MEDIA_DIRECT(params)))
5970 mask |= NIG_MASK_MI_INT;
5971 } else if (params->switch_cfg == SWITCH_CFG_10G) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005972 mask = (NIG_MASK_XGXS0_LINK10G |
5973 NIG_MASK_XGXS0_LINK_STATUS);
5974 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005975 if (!(SINGLE_MEDIA_DIRECT(params)) &&
5976 params->phy[INT_PHY].type !=
5977 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005978 mask |= NIG_MASK_MI_INT;
5979 DP(NETIF_MSG_LINK, "enabled external phy int\n");
5980 }
5981
5982 } else { /* SerDes */
5983 mask = NIG_MASK_SERDES0_LINK_STATUS;
5984 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005985 if (!(SINGLE_MEDIA_DIRECT(params)) &&
5986 params->phy[INT_PHY].type !=
5987 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005988 mask |= NIG_MASK_MI_INT;
5989 DP(NETIF_MSG_LINK, "enabled external phy int\n");
5990 }
5991 }
5992 bnx2x_bits_en(bp,
5993 NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
5994 mask);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005995
5996 DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005997 (params->switch_cfg == SWITCH_CFG_10G),
5998 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005999 DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
6000 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6001 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
6002 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
6003 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6004 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6005 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6006}
6007
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006008static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
6009 u8 exp_mi_int)
Eilon Greenstein2f904462009-08-12 08:22:16 +00006010{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006011 u32 latch_status = 0;
6012
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006013 /* Disable the MI INT ( external phy int ) by writing 1 to the
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006014 * status register. Link down indication is high-active-signal,
6015 * so in this case we need to write the status to clear the XOR
Eilon Greenstein2f904462009-08-12 08:22:16 +00006016 */
6017 /* Read Latched signals */
6018 latch_status = REG_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006019 NIG_REG_LATCH_STATUS_0 + port*8);
6020 DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
Eilon Greenstein2f904462009-08-12 08:22:16 +00006021 /* Handle only those with latched-signal=up.*/
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006022 if (exp_mi_int)
6023 bnx2x_bits_en(bp,
6024 NIG_REG_STATUS_INTERRUPT_PORT0
6025 + port*4,
6026 NIG_STATUS_EMAC0_MI_INT);
6027 else
6028 bnx2x_bits_dis(bp,
6029 NIG_REG_STATUS_INTERRUPT_PORT0
6030 + port*4,
6031 NIG_STATUS_EMAC0_MI_INT);
6032
Eilon Greenstein2f904462009-08-12 08:22:16 +00006033 if (latch_status & 1) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006034
Eilon Greenstein2f904462009-08-12 08:22:16 +00006035 /* For all latched-signal=up : Re-Arm Latch signals */
6036 REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006037 (latch_status & 0xfffe) | (latch_status & 1));
Eilon Greenstein2f904462009-08-12 08:22:16 +00006038 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006039 /* For all latched-signal=up,Write original_signal to status */
Eilon Greenstein2f904462009-08-12 08:22:16 +00006040}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006041
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006042static void bnx2x_link_int_ack(struct link_params *params,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006043 struct link_vars *vars, u8 is_10g_plus)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006044{
6045 struct bnx2x *bp = params->bp;
6046 u8 port = params->port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006047 u32 mask;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006048 /* First reset all status we assume only one line will be
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006049 * change at a time
6050 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006051 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006052 (NIG_STATUS_XGXS0_LINK10G |
6053 NIG_STATUS_XGXS0_LINK_STATUS |
6054 NIG_STATUS_SERDES0_LINK_STATUS));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006055 if (vars->phy_link_up) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006056 if (USES_WARPCORE(bp))
6057 mask = NIG_STATUS_XGXS0_LINK_STATUS;
6058 else {
6059 if (is_10g_plus)
6060 mask = NIG_STATUS_XGXS0_LINK10G;
6061 else if (params->switch_cfg == SWITCH_CFG_10G) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006062 /* Disable the link interrupt by writing 1 to
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006063 * the relevant lane in the status register
6064 */
6065 u32 ser_lane =
6066 ((params->lane_config &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006067 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
6068 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006069 mask = ((1 << ser_lane) <<
6070 NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
6071 } else
6072 mask = NIG_STATUS_SERDES0_LINK_STATUS;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006073 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006074 DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
6075 mask);
6076 bnx2x_bits_en(bp,
6077 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6078 mask);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006079 }
6080}
6081
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006082static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006083{
6084 u8 *str_ptr = str;
6085 u32 mask = 0xf0000000;
6086 u8 shift = 8*4;
6087 u8 digit;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006088 u8 remove_leading_zeros = 1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006089 if (*len < 10) {
Frederik Schwarzer025dfda2008-10-16 19:02:37 +02006090 /* Need more than 10chars for this format */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006091 *str_ptr = '\0';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006092 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006093 return -EINVAL;
6094 }
6095 while (shift > 0) {
6096
6097 shift -= 4;
6098 digit = ((num & mask) >> shift);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006099 if (digit == 0 && remove_leading_zeros) {
6100 mask = mask >> 4;
6101 continue;
6102 } else if (digit < 0xa)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006103 *str_ptr = digit + '0';
6104 else
6105 *str_ptr = digit - 0xa + 'a';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006106 remove_leading_zeros = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006107 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006108 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006109 mask = mask >> 4;
6110 if (shift == 4*4) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006111 *str_ptr = '.';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006112 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006113 (*len)--;
6114 remove_leading_zeros = 1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006115 }
6116 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006117 return 0;
6118}
6119
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006120
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006121static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006122{
6123 str[0] = '\0';
6124 (*len)--;
6125 return 0;
6126}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006127
Mintz Yuvala1e785e2012-02-15 02:10:32 +00006128int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
6129 u16 len)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006130{
Julia Lawall0376d5b2009-07-19 05:26:35 +00006131 struct bnx2x *bp;
Eilon Greensteina35da8d2009-02-12 08:37:02 +00006132 u32 spirom_ver = 0;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006133 int status = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006134 u8 *ver_p = version;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006135 u16 remain_len = len;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006136 if (version == NULL || params == NULL)
6137 return -EINVAL;
Julia Lawall0376d5b2009-07-19 05:26:35 +00006138 bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006139
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006140 /* Extract first external phy*/
6141 version[0] = '\0';
6142 spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
Eilon Greensteina35da8d2009-02-12 08:37:02 +00006143
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006144 if (params->phy[EXT_PHY1].format_fw_ver) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006145 status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
6146 ver_p,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006147 &remain_len);
6148 ver_p += (len - remain_len);
6149 }
6150 if ((params->num_phys == MAX_PHYS) &&
6151 (params->phy[EXT_PHY2].ver_addr != 0)) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006152 spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006153 if (params->phy[EXT_PHY2].format_fw_ver) {
6154 *ver_p = '/';
6155 ver_p++;
6156 remain_len--;
6157 status |= params->phy[EXT_PHY2].format_fw_ver(
6158 spirom_ver,
6159 ver_p,
6160 &remain_len);
6161 ver_p = version + (len - remain_len);
6162 }
6163 }
6164 *ver_p = '\0';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006165 return status;
6166}
6167
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006168static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
Yaniv Rosner62b29a52010-09-07 11:40:58 +00006169 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006170{
6171 u8 port = params->port;
6172 struct bnx2x *bp = params->bp;
6173
Yaniv Rosner62b29a52010-09-07 11:40:58 +00006174 if (phy->req_line_speed != SPEED_1000) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006175 u32 md_devad = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006176
6177 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
6178
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006179 if (!CHIP_IS_E3(bp)) {
Yuval Mintzd2310232012-06-20 19:05:19 +00006180 /* Change the uni_phy_addr in the nig */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006181 md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
6182 port*0x18));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006183
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006184 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6185 0x5);
6186 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006187
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006188 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006189 5,
6190 (MDIO_REG_BANK_AER_BLOCK +
6191 (MDIO_AER_BLOCK_AER_REG & 0xf)),
6192 0x2800);
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_CL73_IEEEB0 +
6197 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
6198 0x6041);
Eilon Greenstein38582762009-01-14 06:44:16 +00006199 msleep(200);
Yuval Mintzd2310232012-06-20 19:05:19 +00006200 /* Set aer mmd back */
Yaniv Rosnerec146a62011-05-31 21:29:27 +00006201 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006202
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006203 if (!CHIP_IS_E3(bp)) {
Yuval Mintzd2310232012-06-20 19:05:19 +00006204 /* And md_devad */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006205 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6206 md_devad);
6207 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006208 } else {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006209 u16 mii_ctrl;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006210 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006211 bnx2x_cl45_read(bp, phy, 5,
6212 (MDIO_REG_BANK_COMBO_IEEE0 +
6213 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6214 &mii_ctrl);
6215 bnx2x_cl45_write(bp, phy, 5,
6216 (MDIO_REG_BANK_COMBO_IEEE0 +
6217 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6218 mii_ctrl |
6219 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006220 }
6221}
6222
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006223int bnx2x_set_led(struct link_params *params,
6224 struct link_vars *vars, u8 mode, u32 speed)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006225{
Yaniv Rosner7846e472009-11-05 19:18:07 +02006226 u8 port = params->port;
6227 u16 hw_led_mode = params->hw_led_mode;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006228 int rc = 0;
6229 u8 phy_idx;
Eilon Greenstein345b5d52008-08-13 15:58:12 -07006230 u32 tmp;
6231 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Yaniv Rosner7846e472009-11-05 19:18:07 +02006232 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006233 DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
6234 DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
6235 speed, hw_led_mode);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006236 /* In case */
6237 for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
6238 if (params->phy[phy_idx].set_link_led) {
6239 params->phy[phy_idx].set_link_led(
6240 &params->phy[phy_idx], params, mode);
6241 }
6242 }
6243
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006244 switch (mode) {
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006245 case LED_MODE_FRONT_PANEL_OFF:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006246 case LED_MODE_OFF:
6247 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
6248 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006249 SHARED_HW_CFG_LED_MAC1);
Eilon Greenstein345b5d52008-08-13 15:58:12 -07006250
6251 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Yaniv Rosner001cea72011-10-27 05:09:48 +00006252 if (params->phy[EXT_PHY1].type ==
Yaniv Rosner9379c9b2012-04-04 01:28:58 +00006253 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6254 tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
6255 EMAC_LED_100MB_OVERRIDE |
6256 EMAC_LED_10MB_OVERRIDE);
6257 else
6258 tmp |= EMAC_LED_OVERRIDE;
6259
6260 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006261 break;
6262
6263 case LED_MODE_OPER:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006264 /* For all other phys, OPER mode is same as ON, so in case
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006265 * link is down, do nothing
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006266 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006267 if (!vars->link_up)
6268 break;
6269 case LED_MODE_ON:
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00006270 if (((params->phy[EXT_PHY1].type ==
6271 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
6272 (params->phy[EXT_PHY1].type ==
6273 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
Yaniv Rosner1f483532011-01-18 04:33:31 +00006274 CHIP_IS_E2(bp) && params->num_phys == 2) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006275 /* This is a work-around for E2+8727 Configurations */
Yaniv Rosner1f483532011-01-18 04:33:31 +00006276 if (mode == LED_MODE_ON ||
6277 speed == SPEED_10000){
6278 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6279 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6280
6281 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6282 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6283 (tmp | EMAC_LED_OVERRIDE));
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006284 /* Return here without enabling traffic
David S. Miller8decf862011-09-22 03:23:13 -04006285 * LED blink and setting rate in ON mode.
Yaniv Rosner793bd452011-08-02 22:59:40 +00006286 * In oper mode, enabling LED blink
6287 * and setting rate is needed.
6288 */
6289 if (mode == LED_MODE_ON)
6290 return rc;
Yaniv Rosner1f483532011-01-18 04:33:31 +00006291 }
Yaniv Rosner793bd452011-08-02 22:59:40 +00006292 } else if (SINGLE_MEDIA_DIRECT(params)) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006293 /* This is a work-around for HW issue found when link
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006294 * is up in CL73
6295 */
David S. Miller8decf862011-09-22 03:23:13 -04006296 if ((!CHIP_IS_E3(bp)) ||
6297 (CHIP_IS_E3(bp) &&
6298 mode == LED_MODE_ON))
6299 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6300
Yaniv Rosner793bd452011-08-02 22:59:40 +00006301 if (CHIP_IS_E1x(bp) ||
6302 CHIP_IS_E2(bp) ||
6303 (mode == LED_MODE_ON))
6304 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6305 else
6306 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6307 hw_led_mode);
Yaniv Rosner001cea72011-10-27 05:09:48 +00006308 } else if ((params->phy[EXT_PHY1].type ==
6309 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
Yaniv Rosner9379c9b2012-04-04 01:28:58 +00006310 (mode == LED_MODE_ON)) {
Yaniv Rosner001cea72011-10-27 05:09:48 +00006311 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6312 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Yaniv Rosner9379c9b2012-04-04 01:28:58 +00006313 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
6314 EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
6315 /* Break here; otherwise, it'll disable the
6316 * intended override.
6317 */
6318 break;
Yaniv Rosner793bd452011-08-02 22:59:40 +00006319 } else
Yaniv Rosner001cea72011-10-27 05:09:48 +00006320 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6321 hw_led_mode);
Yaniv Rosner7846e472009-11-05 19:18:07 +02006322
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006323 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006324 /* Set blinking rate to ~15.9Hz */
Yaniv Rosner26ffaf32011-10-27 05:09:45 +00006325 if (CHIP_IS_E3(bp))
6326 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6327 LED_BLINK_RATE_VAL_E3);
6328 else
6329 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6330 LED_BLINK_RATE_VAL_E1X_E2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006331 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006332 port*4, 1);
Yaniv Rosner9379c9b2012-04-04 01:28:58 +00006333 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6334 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6335 (tmp & (~EMAC_LED_OVERRIDE)));
Eilon Greenstein345b5d52008-08-13 15:58:12 -07006336
Yaniv Rosner7846e472009-11-05 19:18:07 +02006337 if (CHIP_IS_E1(bp) &&
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006338 ((speed == SPEED_2500) ||
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006339 (speed == SPEED_1000) ||
6340 (speed == SPEED_100) ||
6341 (speed == SPEED_10))) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006342 /* For speeds less than 10G LED scheme is different */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006343 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006344 + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006345 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006346 port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006347 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006348 port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006349 }
6350 break;
6351
6352 default:
6353 rc = -EINVAL;
6354 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
6355 mode);
6356 break;
6357 }
6358 return rc;
6359
6360}
6361
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006362/* This function comes to reflect the actual link state read DIRECTLY from the
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006363 * HW
6364 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006365int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
6366 u8 is_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006367{
6368 struct bnx2x *bp = params->bp;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006369 u16 gp_status = 0, phy_index = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006370 u8 ext_phy_link_up = 0, serdes_phy_type;
6371 struct link_vars temp_vars;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006372 struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006373
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006374 if (CHIP_IS_E3(bp)) {
6375 u16 link_up;
6376 if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
6377 > SPEED_10000) {
6378 /* Check 20G link */
6379 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6380 1, &link_up);
6381 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6382 1, &link_up);
6383 link_up &= (1<<2);
6384 } else {
6385 /* Check 10G link and below*/
6386 u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
6387 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6388 MDIO_WC_REG_GP2_STATUS_GP_2_1,
6389 &gp_status);
6390 gp_status = ((gp_status >> 8) & 0xf) |
6391 ((gp_status >> 12) & 0xf);
6392 link_up = gp_status & (1 << lane);
6393 }
6394 if (!link_up)
6395 return -ESRCH;
6396 } else {
6397 CL22_RD_OVER_CL45(bp, int_phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006398 MDIO_REG_BANK_GP_STATUS,
6399 MDIO_GP_STATUS_TOP_AN_STATUS1,
6400 &gp_status);
Yuval Mintzd2310232012-06-20 19:05:19 +00006401 /* Link is up only if both local phy and external phy are up */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006402 if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
6403 return -ESRCH;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006404 }
6405 /* In XGXS loopback mode, do not check external PHY */
6406 if (params->loopback_mode == LOOPBACK_XGXS)
6407 return 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006408
6409 switch (params->num_phys) {
6410 case 1:
6411 /* No external PHY */
6412 return 0;
6413 case 2:
6414 ext_phy_link_up = params->phy[EXT_PHY1].read_status(
6415 &params->phy[EXT_PHY1],
6416 params, &temp_vars);
6417 break;
6418 case 3: /* Dual Media */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006419 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6420 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006421 serdes_phy_type = ((params->phy[phy_index].media_type ==
Yuval Mintzdbef8072012-06-20 19:05:22 +00006422 ETH_PHY_SFPP_10G_FIBER) ||
6423 (params->phy[phy_index].media_type ==
6424 ETH_PHY_SFP_1G_FIBER) ||
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006425 (params->phy[phy_index].media_type ==
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00006426 ETH_PHY_XFP_FIBER) ||
6427 (params->phy[phy_index].media_type ==
6428 ETH_PHY_DA_TWINAX));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006429
6430 if (is_serdes != serdes_phy_type)
6431 continue;
6432 if (params->phy[phy_index].read_status) {
6433 ext_phy_link_up |=
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006434 params->phy[phy_index].read_status(
6435 &params->phy[phy_index],
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006436 params, &temp_vars);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006437 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006438 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006439 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006440 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006441 if (ext_phy_link_up)
6442 return 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006443 return -ESRCH;
6444}
6445
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006446static int bnx2x_link_initialize(struct link_params *params,
6447 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006448{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006449 int rc = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006450 u8 phy_index, non_ext_phy;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006451 struct bnx2x *bp = params->bp;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006452 /* In case of external phy existence, the line speed would be the
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006453 * line speed linked up by the external phy. In case it is direct
6454 * only, then the line_speed during initialization will be
6455 * equal to the req_line_speed
6456 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006457 vars->line_speed = params->phy[INT_PHY].req_line_speed;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006458
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006459 /* Initialize the internal phy in case this is a direct board
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006460 * (no external phys), or this board has external phy which requires
6461 * to first.
6462 */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006463 if (!USES_WARPCORE(bp))
6464 bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006465 /* init ext phy and enable link state int */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006466 non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006467 (params->loopback_mode == LOOPBACK_XGXS));
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006468
6469 if (non_ext_phy ||
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006470 (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
Eilon Greenstein8660d8c2009-03-02 08:01:02 +00006471 (params->loopback_mode == LOOPBACK_EXT_PHY)) {
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006472 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006473 if (vars->line_speed == SPEED_AUTO_NEG &&
6474 (CHIP_IS_E1x(bp) ||
6475 CHIP_IS_E2(bp)))
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006476 bnx2x_set_parallel_detection(phy, params);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00006477 if (params->phy[INT_PHY].config_init)
6478 params->phy[INT_PHY].config_init(phy,
6479 params,
6480 vars);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006481 }
6482
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006483 /* Init external phy*/
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006484 if (non_ext_phy) {
6485 if (params->phy[INT_PHY].supported &
6486 SUPPORTED_FIBRE)
6487 vars->link_status |= LINK_STATUS_SERDES_LINK;
6488 } else {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006489 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6490 phy_index++) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006491 /* No need to initialize second phy in case of first
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006492 * phy only selection. In case of second phy, we do
6493 * need to initialize the first phy, since they are
6494 * connected.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006495 */
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006496 if (params->phy[phy_index].supported &
6497 SUPPORTED_FIBRE)
6498 vars->link_status |= LINK_STATUS_SERDES_LINK;
6499
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006500 if (phy_index == EXT_PHY2 &&
6501 (bnx2x_phy_selection(params) ==
6502 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
Joe Perches94f05b02011-08-14 12:16:20 +00006503 DP(NETIF_MSG_LINK,
6504 "Not initializing second phy\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006505 continue;
6506 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006507 params->phy[phy_index].config_init(
6508 &params->phy[phy_index],
6509 params, vars);
6510 }
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006511 }
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006512 /* Reset the interrupt indication after phy was initialized */
6513 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
6514 params->port*4,
6515 (NIG_STATUS_XGXS0_LINK10G |
6516 NIG_STATUS_XGXS0_LINK_STATUS |
6517 NIG_STATUS_SERDES0_LINK_STATUS |
6518 NIG_MASK_MI_INT));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006519 return rc;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006520}
6521
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006522static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
6523 struct link_params *params)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006524{
Yuval Mintzd2310232012-06-20 19:05:19 +00006525 /* Reset the SerDes/XGXS */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006526 REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6527 (0x1ff << (params->port*16)));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006528}
6529
6530static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
6531 struct link_params *params)
6532{
6533 struct bnx2x *bp = params->bp;
6534 u8 gpio_port;
6535 /* HW reset */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006536 if (CHIP_IS_E2(bp))
6537 gpio_port = BP_PATH(bp);
6538 else
6539 gpio_port = params->port;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006540 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006541 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6542 gpio_port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006543 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006544 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6545 gpio_port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006546 DP(NETIF_MSG_LINK, "reset external PHY\n");
6547}
6548
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006549static int bnx2x_update_link_down(struct link_params *params,
6550 struct link_vars *vars)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006551{
6552 struct bnx2x *bp = params->bp;
6553 u8 port = params->port;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00006554
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006555 DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006556 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006557 vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
Yuval Mintzd2310232012-06-20 19:05:19 +00006558 /* Indicate no mac active */
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006559 vars->mac_type = MAC_TYPE_NONE;
6560
Yuval Mintzd2310232012-06-20 19:05:19 +00006561 /* Update shared memory */
Yaniv Rosner49781402012-10-31 05:46:55 +00006562 vars->link_status &= ~LINK_UPDATE_MASK;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006563 vars->line_speed = 0;
6564 bnx2x_update_mng(params, vars->link_status);
6565
Yuval Mintzd2310232012-06-20 19:05:19 +00006566 /* Activate nig drain */
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006567 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6568
Yuval Mintzd2310232012-06-20 19:05:19 +00006569 /* Disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006570 if (!CHIP_IS_E3(bp))
6571 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006572
Yuval Mintzd2310232012-06-20 19:05:19 +00006573 usleep_range(10000, 20000);
6574 /* Reset BigMac/Xmac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006575 if (CHIP_IS_E1x(bp) ||
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00006576 CHIP_IS_E2(bp))
6577 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
6578
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00006579 if (CHIP_IS_E3(bp)) {
Yuval Mintzd2310232012-06-20 19:05:19 +00006580 /* Prevent LPI Generation by chip */
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006581 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
6582 0);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006583 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
6584 0);
6585 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
6586 SHMEM_EEE_ACTIVE_BIT);
6587
6588 bnx2x_update_mng_eee(params, vars->eee_status);
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00006589 bnx2x_set_xmac_rxtx(params, 0);
6590 bnx2x_set_umac_rxtx(params, 0);
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00006591 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006592
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006593 return 0;
6594}
6595
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006596static int bnx2x_update_link_up(struct link_params *params,
6597 struct link_vars *vars,
6598 u8 link_10g)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006599{
6600 struct bnx2x *bp = params->bp;
Yaniv Rosner55098c52012-04-03 18:41:27 +00006601 u8 phy_idx, port = params->port;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006602 int rc = 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00006603
Yaniv Rosnerde6f3372011-08-02 22:59:25 +00006604 vars->link_status |= (LINK_STATUS_LINK_UP |
6605 LINK_STATUS_PHYSICAL_LINK_FLAG);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006606 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006607
Yaniv Rosner7aa07112010-09-07 11:41:01 +00006608 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
6609 vars->link_status |=
6610 LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
6611
6612 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
6613 vars->link_status |=
6614 LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006615 if (USES_WARPCORE(bp)) {
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006616 if (link_10g) {
6617 if (bnx2x_xmac_enable(params, vars, 0) ==
6618 -ESRCH) {
6619 DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
6620 vars->link_up = 0;
6621 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6622 vars->link_status &= ~LINK_STATUS_LINK_UP;
6623 }
6624 } else
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006625 bnx2x_umac_enable(params, vars, 0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006626 bnx2x_set_led(params, vars,
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006627 LED_MODE_OPER, vars->line_speed);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006628
6629 if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
6630 (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
6631 DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
6632 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
6633 (params->port << 2), 1);
6634 REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
6635 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
6636 (params->port << 2), 0xfc20);
6637 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006638 }
6639 if ((CHIP_IS_E1x(bp) ||
6640 CHIP_IS_E2(bp))) {
6641 if (link_10g) {
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00006642 if (bnx2x_bmac_enable(params, vars, 0, 1) ==
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006643 -ESRCH) {
6644 DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
6645 vars->link_up = 0;
6646 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6647 vars->link_status &= ~LINK_STATUS_LINK_UP;
6648 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006649
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006650 bnx2x_set_led(params, vars,
6651 LED_MODE_OPER, SPEED_10000);
6652 } else {
6653 rc = bnx2x_emac_program(params, vars);
6654 bnx2x_emac_enable(params, vars, 0);
Yaniv Rosner0c786f02009-11-05 19:18:32 +02006655
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006656 /* AN complete? */
6657 if ((vars->link_status &
6658 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
6659 && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
6660 SINGLE_MEDIA_DIRECT(params))
6661 bnx2x_set_gmii_tx_driver(params);
6662 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006663 }
6664
6665 /* PBF - link up */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006666 if (CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006667 rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6668 vars->line_speed);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006669
Yuval Mintzd2310232012-06-20 19:05:19 +00006670 /* Disable drain */
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006671 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
6672
Yuval Mintzd2310232012-06-20 19:05:19 +00006673 /* Update shared memory */
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006674 bnx2x_update_mng(params, vars->link_status);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006675 bnx2x_update_mng_eee(params, vars->eee_status);
Yaniv Rosner55098c52012-04-03 18:41:27 +00006676 /* Check remote fault */
6677 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
6678 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
6679 bnx2x_check_half_open_conn(params, vars, 0);
6680 break;
6681 }
6682 }
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006683 msleep(20);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006684 return rc;
6685}
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006686/* The bnx2x_link_update function should be called upon link
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006687 * interrupt.
6688 * Link is considered up as follows:
6689 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
6690 * to be up
6691 * - SINGLE_MEDIA - The link between the 577xx and the external
6692 * phy (XGXS) need to up as well as the external link of the
6693 * phy (PHY_EXT1)
6694 * - DUAL_MEDIA - The link between the 577xx and the first
6695 * external phy needs to be up, and at least one of the 2
6696 * external phy link must be up.
Yaniv Rosner62b29a52010-09-07 11:40:58 +00006697 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006698int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006699{
6700 struct bnx2x *bp = params->bp;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006701 struct link_vars phy_vars[MAX_PHYS];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006702 u8 port = params->port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006703 u8 link_10g_plus, phy_index;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006704 u8 ext_phy_link_up = 0, cur_link_up;
6705 int rc = 0;
Eilon Greenstein2f904462009-08-12 08:22:16 +00006706 u8 is_mi_int = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006707 u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
6708 u8 active_external_phy = INT_PHY;
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006709 vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
Yaniv Rosner49781402012-10-31 05:46:55 +00006710 vars->link_status &= ~LINK_UPDATE_MASK;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006711 for (phy_index = INT_PHY; phy_index < params->num_phys;
6712 phy_index++) {
6713 phy_vars[phy_index].flow_ctrl = 0;
6714 phy_vars[phy_index].link_status = 0;
6715 phy_vars[phy_index].line_speed = 0;
6716 phy_vars[phy_index].duplex = DUPLEX_FULL;
6717 phy_vars[phy_index].phy_link_up = 0;
6718 phy_vars[phy_index].link_up = 0;
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00006719 phy_vars[phy_index].fault_detected = 0;
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006720 /* different consideration, since vars holds inner state */
6721 phy_vars[phy_index].eee_status = vars->eee_status;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006722 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006723
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006724 if (USES_WARPCORE(bp))
6725 bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
6726
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006727 DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00006728 port, (vars->phy_flags & PHY_XGXS_FLAG),
6729 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006730
Eilon Greenstein2f904462009-08-12 08:22:16 +00006731 is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006732 port*0x18) > 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006733 DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00006734 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6735 is_mi_int,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006736 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006737
6738 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6739 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6740 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6741
Yuval Mintzd2310232012-06-20 19:05:19 +00006742 /* Disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006743 if (!CHIP_IS_E3(bp))
6744 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006745
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006746 /* Step 1:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006747 * Check external link change only for external phys, and apply
6748 * priority selection between them in case the link on both phys
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006749 * is up. Note that instead of the common vars, a temporary
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006750 * vars argument is used since each phy may have different link/
6751 * speed/duplex result
6752 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006753 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6754 phy_index++) {
6755 struct bnx2x_phy *phy = &params->phy[phy_index];
6756 if (!phy->read_status)
6757 continue;
6758 /* Read link status and params of this ext phy */
6759 cur_link_up = phy->read_status(phy, params,
6760 &phy_vars[phy_index]);
6761 if (cur_link_up) {
6762 DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
6763 phy_index);
6764 } else {
6765 DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
6766 phy_index);
6767 continue;
6768 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006769
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006770 if (!ext_phy_link_up) {
6771 ext_phy_link_up = 1;
6772 active_external_phy = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006773 } else {
6774 switch (bnx2x_phy_selection(params)) {
6775 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6776 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006777 /* In this option, the first PHY makes sure to pass the
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006778 * traffic through itself only.
6779 * Its not clear how to reset the link on the second phy
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006780 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006781 active_external_phy = EXT_PHY1;
6782 break;
6783 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006784 /* In this option, the first PHY makes sure to pass the
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006785 * traffic through the second PHY.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006786 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006787 active_external_phy = EXT_PHY2;
6788 break;
6789 default:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006790 /* Link indication on both PHYs with the following cases
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006791 * is invalid:
6792 * - FIRST_PHY means that second phy wasn't initialized,
6793 * hence its link is expected to be down
6794 * - SECOND_PHY means that first phy should not be able
6795 * to link up by itself (using configuration)
6796 * - DEFAULT should be overriden during initialiazation
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006797 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006798 DP(NETIF_MSG_LINK, "Invalid link indication"
6799 "mpc=0x%x. DISABLING LINK !!!\n",
6800 params->multi_phy_config);
6801 ext_phy_link_up = 0;
6802 break;
6803 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006804 }
6805 }
6806 prev_line_speed = vars->line_speed;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006807 /* Step 2:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006808 * Read the status of the internal phy. In case of
6809 * DIRECT_SINGLE_MEDIA board, this link is the external link,
6810 * otherwise this is the link between the 577xx and the first
6811 * external phy
6812 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006813 if (params->phy[INT_PHY].read_status)
6814 params->phy[INT_PHY].read_status(
6815 &params->phy[INT_PHY],
6816 params, vars);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006817 /* The INT_PHY flow control reside in the vars. This include the
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006818 * case where the speed or flow control are not set to AUTO.
6819 * Otherwise, the active external phy flow control result is set
6820 * to the vars. The ext_phy_line_speed is needed to check if the
6821 * speed is different between the internal phy and external phy.
6822 * This case may be result of intermediate link speed change.
6823 */
6824 if (active_external_phy > INT_PHY) {
6825 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006826 /* Link speed is taken from the XGXS. AN and FC result from
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006827 * the external phy.
6828 */
6829 vars->link_status |= phy_vars[active_external_phy].link_status;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006830
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006831 /* if active_external_phy is first PHY and link is up - disable
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006832 * disable TX on second external PHY
6833 */
6834 if (active_external_phy == EXT_PHY1) {
6835 if (params->phy[EXT_PHY2].phy_specific_func) {
Joe Perches94f05b02011-08-14 12:16:20 +00006836 DP(NETIF_MSG_LINK,
6837 "Disabling TX on EXT_PHY2\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006838 params->phy[EXT_PHY2].phy_specific_func(
6839 &params->phy[EXT_PHY2],
6840 params, DISABLE_TX);
6841 }
6842 }
6843
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006844 ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
6845 vars->duplex = phy_vars[active_external_phy].duplex;
6846 if (params->phy[active_external_phy].supported &
6847 SUPPORTED_FIBRE)
6848 vars->link_status |= LINK_STATUS_SERDES_LINK;
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006849 else
6850 vars->link_status &= ~LINK_STATUS_SERDES_LINK;
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006851
6852 vars->eee_status = phy_vars[active_external_phy].eee_status;
6853
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006854 DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
6855 active_external_phy);
6856 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006857
6858 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6859 phy_index++) {
6860 if (params->phy[phy_index].flags &
6861 FLAGS_REARM_LATCH_SIGNAL) {
6862 bnx2x_rearm_latch_signal(bp, port,
6863 phy_index ==
6864 active_external_phy);
6865 break;
6866 }
6867 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006868 DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
6869 " ext_phy_line_speed = %d\n", vars->flow_ctrl,
6870 vars->link_status, ext_phy_line_speed);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006871 /* Upon link speed change set the NIG into drain mode. Comes to
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006872 * deals with possible FIFO glitch due to clk change when speed
6873 * is decreased without link down indicator
6874 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006875
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006876 if (vars->phy_link_up) {
6877 if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
6878 (ext_phy_line_speed != vars->line_speed)) {
6879 DP(NETIF_MSG_LINK, "Internal link speed %d is"
6880 " different than the external"
6881 " link speed %d\n", vars->line_speed,
6882 ext_phy_line_speed);
6883 vars->phy_link_up = 0;
6884 } else if (prev_line_speed != vars->line_speed) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006885 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
6886 0);
Yaniv Rosner503976e2012-11-27 03:46:34 +00006887 usleep_range(1000, 2000);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006888 }
6889 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006890
Yuval Mintzd2310232012-06-20 19:05:19 +00006891 /* Anything 10 and over uses the bmac */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006892 link_10g_plus = (vars->line_speed >= SPEED_10000);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006893
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006894 bnx2x_link_int_ack(params, vars, link_10g_plus);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006895
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006896 /* In case external phy link is up, and internal link is down
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006897 * (not initialized yet probably after link initialization, it
6898 * needs to be initialized.
6899 * Note that after link down-up as result of cable plug, the xgxs
6900 * link would probably become up again without the need
6901 * initialize it
6902 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006903 if (!(SINGLE_MEDIA_DIRECT(params))) {
6904 DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
6905 " init_preceding = %d\n", ext_phy_link_up,
6906 vars->phy_link_up,
6907 params->phy[EXT_PHY1].flags &
6908 FLAGS_INIT_XGXS_FIRST);
6909 if (!(params->phy[EXT_PHY1].flags &
6910 FLAGS_INIT_XGXS_FIRST)
6911 && ext_phy_link_up && !vars->phy_link_up) {
6912 vars->line_speed = ext_phy_line_speed;
6913 if (vars->line_speed < SPEED_1000)
6914 vars->phy_flags |= PHY_SGMII_FLAG;
6915 else
6916 vars->phy_flags &= ~PHY_SGMII_FLAG;
Yaniv Rosnerec146a62011-05-31 21:29:27 +00006917
6918 if (params->phy[INT_PHY].config_init)
6919 params->phy[INT_PHY].config_init(
6920 &params->phy[INT_PHY], params,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006921 vars);
6922 }
6923 }
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006924 /* Link is up only if both local phy and external phy (in case of
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006925 * non-direct board) are up and no fault detected on active PHY.
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006926 */
6927 vars->link_up = (vars->phy_link_up &&
6928 (ext_phy_link_up ||
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00006929 SINGLE_MEDIA_DIRECT(params)) &&
6930 (phy_vars[active_external_phy].fault_detected == 0));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006931
Yaniv Rosner27d91292012-04-04 01:28:54 +00006932 /* Update the PFC configuration in case it was changed */
6933 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
6934 vars->link_status |= LINK_STATUS_PFC_ENABLED;
6935 else
6936 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
6937
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006938 if (vars->link_up)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006939 rc = bnx2x_update_link_up(params, vars, link_10g_plus);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006940 else
6941 rc = bnx2x_update_link_down(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006942
Barak Witkowskia3348722012-04-23 03:04:46 +00006943 /* Update MCP link status was changed */
6944 if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
6945 bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
6946
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006947 return rc;
6948}
6949
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006950/*****************************************************************************/
6951/* External Phy section */
6952/*****************************************************************************/
6953void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006954{
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006955 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006956 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosner503976e2012-11-27 03:46:34 +00006957 usleep_range(1000, 2000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006958 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006959 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006960}
6961
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006962static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
6963 u32 spirom_ver, u32 ver_addr)
6964{
6965 DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
6966 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
6967
6968 if (ver_addr)
6969 REG_WR(bp, ver_addr, spirom_ver);
6970}
6971
6972static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
6973 struct bnx2x_phy *phy,
6974 u8 port)
6975{
6976 u16 fw_ver1, fw_ver2;
6977
6978 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006979 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006980 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006981 MDIO_PMA_REG_ROM_VER2, &fw_ver2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006982 bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
6983 phy->ver_addr);
6984}
6985
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006986static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
6987 struct bnx2x_phy *phy,
6988 struct link_vars *vars)
6989{
6990 u16 val;
6991 bnx2x_cl45_read(bp, phy,
6992 MDIO_AN_DEVAD,
6993 MDIO_AN_REG_STATUS, &val);
6994 bnx2x_cl45_read(bp, phy,
6995 MDIO_AN_DEVAD,
6996 MDIO_AN_REG_STATUS, &val);
6997 if (val & (1<<5))
6998 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
6999 if ((val & (1<<0)) == 0)
7000 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
7001}
7002
7003/******************************************************************/
7004/* common BCM8073/BCM8727 PHY SECTION */
7005/******************************************************************/
7006static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
7007 struct link_params *params,
7008 struct link_vars *vars)
7009{
7010 struct bnx2x *bp = params->bp;
7011 if (phy->req_line_speed == SPEED_10 ||
7012 phy->req_line_speed == SPEED_100) {
7013 vars->flow_ctrl = phy->req_flow_ctrl;
7014 return;
7015 }
7016
7017 if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
7018 (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
7019 u16 pause_result;
7020 u16 ld_pause; /* local */
7021 u16 lp_pause; /* link partner */
7022 bnx2x_cl45_read(bp, phy,
7023 MDIO_AN_DEVAD,
7024 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
7025
7026 bnx2x_cl45_read(bp, phy,
7027 MDIO_AN_DEVAD,
7028 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
7029 pause_result = (ld_pause &
7030 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
7031 pause_result |= (lp_pause &
7032 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
7033
7034 bnx2x_pause_resolve(vars, pause_result);
7035 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
7036 pause_result);
7037 }
7038}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007039static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
7040 struct bnx2x_phy *phy,
7041 u8 port)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007042{
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00007043 u32 count = 0;
7044 u16 fw_ver1, fw_msgout;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007045 int rc = 0;
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00007046
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007047 /* Boot port from external ROM */
7048 /* EDC grst */
7049 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007050 MDIO_PMA_DEVAD,
7051 MDIO_PMA_REG_GEN_CTRL,
7052 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007053
Yuval Mintzd2310232012-06-20 19:05:19 +00007054 /* Ucode reboot and rst */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007055 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007056 MDIO_PMA_DEVAD,
7057 MDIO_PMA_REG_GEN_CTRL,
7058 0x008c);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007059
7060 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007061 MDIO_PMA_DEVAD,
7062 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007063
7064 /* Reset internal microprocessor */
7065 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007066 MDIO_PMA_DEVAD,
7067 MDIO_PMA_REG_GEN_CTRL,
7068 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007069
7070 /* Release srst bit */
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_RESET_INTERNAL_MP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007075
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00007076 /* Delay 100ms per the PHY specifications */
7077 msleep(100);
7078
7079 /* 8073 sometimes taking longer to download */
7080 do {
7081 count++;
7082 if (count > 300) {
7083 DP(NETIF_MSG_LINK,
7084 "bnx2x_8073_8727_external_rom_boot port %x:"
7085 "Download failed. fw version = 0x%x\n",
7086 port, fw_ver1);
7087 rc = -EINVAL;
7088 break;
7089 }
7090
7091 bnx2x_cl45_read(bp, phy,
7092 MDIO_PMA_DEVAD,
7093 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7094 bnx2x_cl45_read(bp, phy,
7095 MDIO_PMA_DEVAD,
7096 MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
7097
Yaniv Rosner503976e2012-11-27 03:46:34 +00007098 usleep_range(1000, 2000);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00007099 } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
7100 ((fw_msgout & 0xff) != 0x03 && (phy->type ==
7101 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007102
7103 /* Clear ser_boot_ctl bit */
7104 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007105 MDIO_PMA_DEVAD,
7106 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007107 bnx2x_save_bcm_spirom_ver(bp, phy, port);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00007108
7109 DP(NETIF_MSG_LINK,
7110 "bnx2x_8073_8727_external_rom_boot port %x:"
7111 "Download complete. fw version = 0x%x\n",
7112 port, fw_ver1);
7113
7114 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007115}
7116
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007117/******************************************************************/
7118/* BCM8073 PHY SECTION */
7119/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007120static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007121{
7122 /* This is only required for 8073A1, version 102 only */
7123 u16 val;
7124
7125 /* Read 8073 HW revision*/
7126 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007127 MDIO_PMA_DEVAD,
7128 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007129
7130 if (val != 1) {
7131 /* No need to workaround in 8073 A1 */
7132 return 0;
7133 }
7134
7135 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007136 MDIO_PMA_DEVAD,
7137 MDIO_PMA_REG_ROM_VER2, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007138
7139 /* SNR should be applied only for version 0x102 */
7140 if (val != 0x102)
7141 return 0;
7142
7143 return 1;
7144}
7145
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007146static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007147{
7148 u16 val, cnt, cnt1 ;
7149
7150 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007151 MDIO_PMA_DEVAD,
7152 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007153
7154 if (val > 0) {
7155 /* No need to workaround in 8073 A1 */
7156 return 0;
7157 }
7158 /* XAUI workaround in 8073 A0: */
7159
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007160 /* After loading the boot ROM and restarting Autoneg, poll
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007161 * Dev1, Reg $C820:
7162 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007163
7164 for (cnt = 0; cnt < 1000; cnt++) {
7165 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007166 MDIO_PMA_DEVAD,
7167 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7168 &val);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007169 /* If bit [14] = 0 or bit [13] = 0, continue on with
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007170 * system initialization (XAUI work-around not required, as
7171 * these bits indicate 2.5G or 1G link up).
7172 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007173 if (!(val & (1<<14)) || !(val & (1<<13))) {
7174 DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
7175 return 0;
7176 } else if (!(val & (1<<15))) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007177 DP(NETIF_MSG_LINK, "bit 15 went off\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007178 /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007179 * MSB (bit15) goes to 1 (indicating that the XAUI
7180 * workaround has completed), then continue on with
7181 * system initialization.
7182 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007183 for (cnt1 = 0; cnt1 < 1000; cnt1++) {
7184 bnx2x_cl45_read(bp, phy,
7185 MDIO_PMA_DEVAD,
7186 MDIO_PMA_REG_8073_XAUI_WA, &val);
7187 if (val & (1<<15)) {
7188 DP(NETIF_MSG_LINK,
7189 "XAUI workaround has completed\n");
7190 return 0;
7191 }
Yuval Mintzd2310232012-06-20 19:05:19 +00007192 usleep_range(3000, 6000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007193 }
7194 break;
7195 }
Yuval Mintzd2310232012-06-20 19:05:19 +00007196 usleep_range(3000, 6000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007197 }
7198 DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
7199 return -EINVAL;
7200}
7201
7202static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
7203{
7204 /* Force KR or KX */
7205 bnx2x_cl45_write(bp, phy,
7206 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
7207 bnx2x_cl45_write(bp, phy,
7208 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
7209 bnx2x_cl45_write(bp, phy,
7210 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
7211 bnx2x_cl45_write(bp, phy,
7212 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
7213}
7214
7215static void bnx2x_8073_set_pause_cl37(struct link_params *params,
7216 struct bnx2x_phy *phy,
7217 struct link_vars *vars)
7218{
7219 u16 cl37_val;
7220 struct bnx2x *bp = params->bp;
7221 bnx2x_cl45_read(bp, phy,
7222 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
7223
7224 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7225 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
7226 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
7227 if ((vars->ieee_fc &
7228 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
7229 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
7230 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
7231 }
7232 if ((vars->ieee_fc &
7233 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
7234 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
7235 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
7236 }
7237 if ((vars->ieee_fc &
7238 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
7239 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
7240 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7241 }
7242 DP(NETIF_MSG_LINK,
7243 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
7244
7245 bnx2x_cl45_write(bp, phy,
7246 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
7247 msleep(500);
7248}
7249
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00007250static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
7251 struct link_params *params,
7252 u32 action)
7253{
7254 struct bnx2x *bp = params->bp;
7255 switch (action) {
7256 case PHY_INIT:
7257 /* Enable LASI */
7258 bnx2x_cl45_write(bp, phy,
7259 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
7260 bnx2x_cl45_write(bp, phy,
7261 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
7262 break;
7263 }
7264}
7265
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007266static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
7267 struct link_params *params,
7268 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007269{
7270 struct bnx2x *bp = params->bp;
7271 u16 val = 0, tmp1;
7272 u8 gpio_port;
7273 DP(NETIF_MSG_LINK, "Init 8073\n");
7274
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007275 if (CHIP_IS_E2(bp))
7276 gpio_port = BP_PATH(bp);
7277 else
7278 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007279 /* Restore normal power mode*/
7280 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007281 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007282
7283 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007284 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007285
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00007286 bnx2x_8073_specific_func(phy, params, PHY_INIT);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007287 bnx2x_8073_set_pause_cl37(params, phy, vars);
7288
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007289 bnx2x_cl45_read(bp, phy,
7290 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
7291
7292 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00007293 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007294
7295 DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
7296
Yaniv Rosner74d7a112011-01-18 04:33:18 +00007297 /* Swap polarity if required - Must be done only in non-1G mode */
7298 if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7299 /* Configure the 8073 to swap _P and _N of the KR lines */
7300 DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
7301 /* 10G Rx/Tx and 1G Tx signal polarity swap */
7302 bnx2x_cl45_read(bp, phy,
7303 MDIO_PMA_DEVAD,
7304 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
7305 bnx2x_cl45_write(bp, phy,
7306 MDIO_PMA_DEVAD,
7307 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
7308 (val | (3<<9)));
7309 }
7310
7311
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007312 /* Enable CL37 BAM */
Yaniv Rosner121839b2010-11-01 05:32:38 +00007313 if (REG_RD(bp, params->shmem_base +
7314 offsetof(struct shmem_region, dev_info.
7315 port_hw_config[params->port].default_cfg)) &
7316 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007317
Yaniv Rosner121839b2010-11-01 05:32:38 +00007318 bnx2x_cl45_read(bp, phy,
7319 MDIO_AN_DEVAD,
7320 MDIO_AN_REG_8073_BAM, &val);
7321 bnx2x_cl45_write(bp, phy,
7322 MDIO_AN_DEVAD,
7323 MDIO_AN_REG_8073_BAM, val | 1);
7324 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
7325 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007326 if (params->loopback_mode == LOOPBACK_EXT) {
7327 bnx2x_807x_force_10G(bp, phy);
7328 DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
7329 return 0;
7330 } else {
7331 bnx2x_cl45_write(bp, phy,
7332 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
7333 }
7334 if (phy->req_line_speed != SPEED_AUTO_NEG) {
7335 if (phy->req_line_speed == SPEED_10000) {
7336 val = (1<<7);
7337 } else if (phy->req_line_speed == SPEED_2500) {
7338 val = (1<<5);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007339 /* Note that 2.5G works only when used with 1G
Lucas De Marchi25985ed2011-03-30 22:57:33 -03007340 * advertisement
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007341 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007342 } else
7343 val = (1<<5);
7344 } else {
7345 val = 0;
7346 if (phy->speed_cap_mask &
7347 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
7348 val |= (1<<7);
7349
Lucas De Marchi25985ed2011-03-30 22:57:33 -03007350 /* Note that 2.5G works only when used with 1G advertisement */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007351 if (phy->speed_cap_mask &
7352 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
7353 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7354 val |= (1<<5);
7355 DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
7356 }
7357
7358 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
7359 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
7360
7361 if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
7362 (phy->req_line_speed == SPEED_AUTO_NEG)) ||
7363 (phy->req_line_speed == SPEED_2500)) {
7364 u16 phy_ver;
7365 /* Allow 2.5G for A1 and above */
7366 bnx2x_cl45_read(bp, phy,
7367 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
7368 &phy_ver);
7369 DP(NETIF_MSG_LINK, "Add 2.5G\n");
7370 if (phy_ver > 0)
7371 tmp1 |= 1;
7372 else
7373 tmp1 &= 0xfffe;
7374 } else {
7375 DP(NETIF_MSG_LINK, "Disable 2.5G\n");
7376 tmp1 &= 0xfffe;
7377 }
7378
7379 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
7380 /* Add support for CL37 (passive mode) II */
7381
7382 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
7383 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
7384 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
7385 0x20 : 0x40)));
7386
7387 /* Add support for CL37 (passive mode) III */
7388 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
7389
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007390 /* The SNR will improve about 2db by changing BW and FEE main
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007391 * tap. Rest commands are executed after link is up
7392 * Change FFE main cursor to 5 in EDC register
7393 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007394 if (bnx2x_8073_is_snr_needed(bp, phy))
7395 bnx2x_cl45_write(bp, phy,
7396 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
7397 0xFB0C);
7398
7399 /* Enable FEC (Forware Error Correction) Request in the AN */
7400 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
7401 tmp1 |= (1<<15);
7402 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
7403
7404 bnx2x_ext_phy_set_pause(params, phy, vars);
7405
7406 /* Restart autoneg */
7407 msleep(500);
7408 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
7409 DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
7410 ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
7411 return 0;
7412}
7413
7414static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
7415 struct link_params *params,
7416 struct link_vars *vars)
7417{
7418 struct bnx2x *bp = params->bp;
7419 u8 link_up = 0;
7420 u16 val1, val2;
7421 u16 link_status = 0;
7422 u16 an1000_status = 0;
7423
7424 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00007425 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007426
7427 DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
7428
Yuval Mintzd2310232012-06-20 19:05:19 +00007429 /* Clear the interrupt LASI status register */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007430 bnx2x_cl45_read(bp, phy,
7431 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7432 bnx2x_cl45_read(bp, phy,
7433 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
7434 DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
7435 /* Clear MSG-OUT */
7436 bnx2x_cl45_read(bp, phy,
7437 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
7438
7439 /* Check the LASI */
7440 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00007441 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007442
7443 DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
7444
7445 /* Check the link status */
7446 bnx2x_cl45_read(bp, phy,
7447 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7448 DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
7449
7450 bnx2x_cl45_read(bp, phy,
7451 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7452 bnx2x_cl45_read(bp, phy,
7453 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7454 link_up = ((val1 & 4) == 4);
7455 DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
7456
7457 if (link_up &&
7458 ((phy->req_line_speed != SPEED_10000))) {
7459 if (bnx2x_8073_xaui_wa(bp, phy) != 0)
7460 return 0;
7461 }
7462 bnx2x_cl45_read(bp, phy,
7463 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7464 bnx2x_cl45_read(bp, phy,
7465 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7466
7467 /* Check the link status on 1.1.2 */
7468 bnx2x_cl45_read(bp, phy,
7469 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7470 bnx2x_cl45_read(bp, phy,
7471 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7472 DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
7473 "an_link_status=0x%x\n", val2, val1, an1000_status);
7474
7475 link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
7476 if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007477 /* The SNR will improve about 2dbby changing the BW and FEE main
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007478 * tap. The 1st write to change FFE main tap is set before
7479 * restart AN. Change PLL Bandwidth in EDC register
7480 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007481 bnx2x_cl45_write(bp, phy,
7482 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
7483 0x26BC);
7484
7485 /* Change CDR Bandwidth in EDC register */
7486 bnx2x_cl45_write(bp, phy,
7487 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
7488 0x0333);
7489 }
7490 bnx2x_cl45_read(bp, phy,
7491 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7492 &link_status);
7493
7494 /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
7495 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
7496 link_up = 1;
7497 vars->line_speed = SPEED_10000;
7498 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
7499 params->port);
7500 } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
7501 link_up = 1;
7502 vars->line_speed = SPEED_2500;
7503 DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
7504 params->port);
7505 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
7506 link_up = 1;
7507 vars->line_speed = SPEED_1000;
7508 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
7509 params->port);
7510 } else {
7511 link_up = 0;
7512 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
7513 params->port);
7514 }
7515
7516 if (link_up) {
Yaniv Rosner74d7a112011-01-18 04:33:18 +00007517 /* Swap polarity if required */
7518 if (params->lane_config &
7519 PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7520 /* Configure the 8073 to swap P and N of the KR lines */
7521 bnx2x_cl45_read(bp, phy,
7522 MDIO_XS_DEVAD,
7523 MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007524 /* Set bit 3 to invert Rx in 1G mode and clear this bit
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007525 * when it`s in 10G mode.
7526 */
Yaniv Rosner74d7a112011-01-18 04:33:18 +00007527 if (vars->line_speed == SPEED_1000) {
7528 DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
7529 "the 8073\n");
7530 val1 |= (1<<3);
7531 } else
7532 val1 &= ~(1<<3);
7533
7534 bnx2x_cl45_write(bp, phy,
7535 MDIO_XS_DEVAD,
7536 MDIO_XS_REG_8073_RX_CTRL_PCIE,
7537 val1);
7538 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007539 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7540 bnx2x_8073_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00007541 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007542 }
Mintz Yuval9e7e8392012-02-15 02:10:24 +00007543
7544 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
7545 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
7546 MDIO_AN_REG_LP_AUTO_NEG2, &val1);
7547
7548 if (val1 & (1<<5))
7549 vars->link_status |=
7550 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
7551 if (val1 & (1<<7))
7552 vars->link_status |=
7553 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
7554 }
7555
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007556 return link_up;
7557}
7558
7559static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
7560 struct link_params *params)
7561{
7562 struct bnx2x *bp = params->bp;
7563 u8 gpio_port;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007564 if (CHIP_IS_E2(bp))
7565 gpio_port = BP_PATH(bp);
7566 else
7567 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007568 DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
7569 gpio_port);
7570 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007571 MISC_REGISTERS_GPIO_OUTPUT_LOW,
7572 gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007573}
7574
7575/******************************************************************/
7576/* BCM8705 PHY SECTION */
7577/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007578static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
7579 struct link_params *params,
7580 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007581{
7582 struct bnx2x *bp = params->bp;
7583 DP(NETIF_MSG_LINK, "init 8705\n");
7584 /* Restore normal power mode*/
7585 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007586 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007587 /* HW reset */
7588 bnx2x_ext_phy_hw_reset(bp, params->port);
7589 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00007590 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007591
7592 bnx2x_cl45_write(bp, phy,
7593 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
7594 bnx2x_cl45_write(bp, phy,
7595 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
7596 bnx2x_cl45_write(bp, phy,
7597 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
7598 bnx2x_cl45_write(bp, phy,
7599 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
7600 /* BCM8705 doesn't have microcode, hence the 0 */
7601 bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
7602 return 0;
7603}
7604
7605static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
7606 struct link_params *params,
7607 struct link_vars *vars)
7608{
7609 u8 link_up = 0;
7610 u16 val1, rx_sd;
7611 struct bnx2x *bp = params->bp;
7612 DP(NETIF_MSG_LINK, "read status 8705\n");
7613 bnx2x_cl45_read(bp, phy,
7614 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7615 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7616
7617 bnx2x_cl45_read(bp, phy,
7618 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7619 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7620
7621 bnx2x_cl45_read(bp, phy,
7622 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7623
7624 bnx2x_cl45_read(bp, phy,
7625 MDIO_PMA_DEVAD, 0xc809, &val1);
7626 bnx2x_cl45_read(bp, phy,
7627 MDIO_PMA_DEVAD, 0xc809, &val1);
7628
7629 DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
7630 link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
7631 if (link_up) {
7632 vars->line_speed = SPEED_10000;
7633 bnx2x_ext_phy_resolve_fc(phy, params, vars);
7634 }
7635 return link_up;
7636}
7637
7638/******************************************************************/
7639/* SFP+ module Section */
7640/******************************************************************/
Yaniv Rosner85242ee2011-07-05 01:06:53 +00007641static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
7642 struct bnx2x_phy *phy,
7643 u8 pmd_dis)
7644{
7645 struct bnx2x *bp = params->bp;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007646 /* Disable transmitter only for bootcodes which can enable it afterwards
Yaniv Rosner85242ee2011-07-05 01:06:53 +00007647 * (for D3 link)
7648 */
7649 if (pmd_dis) {
7650 if (params->feature_config_flags &
7651 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
7652 DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
7653 else {
7654 DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
7655 return;
7656 }
7657 } else
7658 DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
7659 bnx2x_cl45_write(bp, phy,
7660 MDIO_PMA_DEVAD,
7661 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
7662}
7663
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007664static u8 bnx2x_get_gpio_port(struct link_params *params)
7665{
7666 u8 gpio_port;
7667 u32 swap_val, swap_override;
7668 struct bnx2x *bp = params->bp;
7669 if (CHIP_IS_E2(bp))
7670 gpio_port = BP_PATH(bp);
7671 else
7672 gpio_port = params->port;
7673 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7674 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7675 return gpio_port ^ (swap_val && swap_override);
7676}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007677
7678static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
7679 struct bnx2x_phy *phy,
7680 u8 tx_en)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007681{
7682 u16 val;
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007683 u8 port = params->port;
7684 struct bnx2x *bp = params->bp;
7685 u32 tx_en_mode;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007686
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007687 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007688 tx_en_mode = REG_RD(bp, params->shmem_base +
7689 offsetof(struct shmem_region,
7690 dev_info.port_hw_config[port].sfp_ctrl)) &
7691 PORT_HW_CFG_TX_LASER_MASK;
7692 DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
7693 "mode = %x\n", tx_en, port, tx_en_mode);
7694 switch (tx_en_mode) {
7695 case PORT_HW_CFG_TX_LASER_MDIO:
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007696
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007697 bnx2x_cl45_read(bp, phy,
7698 MDIO_PMA_DEVAD,
7699 MDIO_PMA_REG_PHY_IDENTIFIER,
7700 &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007701
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007702 if (tx_en)
7703 val &= ~(1<<15);
7704 else
7705 val |= (1<<15);
7706
7707 bnx2x_cl45_write(bp, phy,
7708 MDIO_PMA_DEVAD,
7709 MDIO_PMA_REG_PHY_IDENTIFIER,
7710 val);
7711 break;
7712 case PORT_HW_CFG_TX_LASER_GPIO0:
7713 case PORT_HW_CFG_TX_LASER_GPIO1:
7714 case PORT_HW_CFG_TX_LASER_GPIO2:
7715 case PORT_HW_CFG_TX_LASER_GPIO3:
7716 {
7717 u16 gpio_pin;
7718 u8 gpio_port, gpio_mode;
7719 if (tx_en)
7720 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
7721 else
7722 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
7723
7724 gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
7725 gpio_port = bnx2x_get_gpio_port(params);
7726 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7727 break;
7728 }
7729 default:
7730 DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
7731 break;
7732 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007733}
7734
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007735static void bnx2x_sfp_set_transmitter(struct link_params *params,
7736 struct bnx2x_phy *phy,
7737 u8 tx_en)
7738{
7739 struct bnx2x *bp = params->bp;
7740 DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
7741 if (CHIP_IS_E3(bp))
7742 bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
7743 else
7744 bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
7745}
7746
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007747static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7748 struct link_params *params,
7749 u16 addr, u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007750{
7751 struct bnx2x *bp = params->bp;
7752 u16 val = 0;
7753 u16 i;
Yuval Mintz24ea8182012-06-20 19:05:23 +00007754 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
Joe Perches94f05b02011-08-14 12:16:20 +00007755 DP(NETIF_MSG_LINK,
7756 "Reading from eeprom is limited to 0xf\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007757 return -EINVAL;
7758 }
7759 /* Set the read command byte count */
7760 bnx2x_cl45_write(bp, phy,
7761 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007762 (byte_cnt | 0xa000));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007763
7764 /* Set the read command address */
7765 bnx2x_cl45_write(bp, phy,
7766 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007767 addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007768
7769 /* Activate read command */
7770 bnx2x_cl45_write(bp, phy,
7771 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007772 0x2c0f);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007773
7774 /* Wait up to 500us for command complete status */
7775 for (i = 0; i < 100; i++) {
7776 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007777 MDIO_PMA_DEVAD,
7778 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007779 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7780 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7781 break;
7782 udelay(5);
7783 }
7784
7785 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7786 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7787 DP(NETIF_MSG_LINK,
7788 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7789 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7790 return -EINVAL;
7791 }
7792
7793 /* Read the buffer */
7794 for (i = 0; i < byte_cnt; i++) {
7795 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007796 MDIO_PMA_DEVAD,
7797 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007798 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7799 }
7800
7801 for (i = 0; i < 100; i++) {
7802 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007803 MDIO_PMA_DEVAD,
7804 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007805 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7806 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
Joe Perches6f38ad92010-11-14 17:04:31 +00007807 return 0;
Yaniv Rosner503976e2012-11-27 03:46:34 +00007808 usleep_range(1000, 2000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007809 }
7810 return -EINVAL;
7811}
7812
Yuval Mintz50a29842012-06-16 20:27:14 +00007813static void bnx2x_warpcore_power_module(struct link_params *params,
Yuval Mintz50a29842012-06-16 20:27:14 +00007814 u8 power)
7815{
7816 u32 pin_cfg;
7817 struct bnx2x *bp = params->bp;
7818
7819 pin_cfg = (REG_RD(bp, params->shmem_base +
7820 offsetof(struct shmem_region,
7821 dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
7822 PORT_HW_CFG_E3_PWR_DIS_MASK) >>
7823 PORT_HW_CFG_E3_PWR_DIS_SHIFT;
7824
7825 if (pin_cfg == PIN_CFG_NA)
7826 return;
7827 DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
7828 power, pin_cfg);
7829 /* Low ==> corresponding SFP+ module is powered
7830 * high ==> the SFP+ module is powered down
7831 */
7832 bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
7833}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007834static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7835 struct link_params *params,
7836 u16 addr, u8 byte_cnt,
Yaniv Rosnere82041d2012-10-31 05:46:56 +00007837 u8 *o_buf, u8 is_init)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007838{
7839 int rc = 0;
7840 u8 i, j = 0, cnt = 0;
7841 u32 data_array[4];
7842 u16 addr32;
7843 struct bnx2x *bp = params->bp;
Yuval Mintz24ea8182012-06-20 19:05:23 +00007844
7845 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
Joe Perches94f05b02011-08-14 12:16:20 +00007846 DP(NETIF_MSG_LINK,
7847 "Reading from eeprom is limited to 16 bytes\n");
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007848 return -EINVAL;
7849 }
7850
7851 /* 4 byte aligned address */
7852 addr32 = addr & (~0x3);
7853 do {
Yaniv Rosnere82041d2012-10-31 05:46:56 +00007854 if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00007855 bnx2x_warpcore_power_module(params, 0);
Yuval Mintz50a29842012-06-16 20:27:14 +00007856 /* Note that 100us are not enough here */
Yaniv Rosnere82041d2012-10-31 05:46:56 +00007857 usleep_range(1000, 2000);
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00007858 bnx2x_warpcore_power_module(params, 1);
Yuval Mintz50a29842012-06-16 20:27:14 +00007859 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007860 rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
7861 data_array);
7862 } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
7863
7864 if (rc == 0) {
7865 for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
7866 o_buf[j] = *((u8 *)data_array + i);
7867 j++;
7868 }
7869 }
7870
7871 return rc;
7872}
7873
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007874static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7875 struct link_params *params,
7876 u16 addr, u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007877{
7878 struct bnx2x *bp = params->bp;
7879 u16 val, i;
7880
Yuval Mintz24ea8182012-06-20 19:05:23 +00007881 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
Joe Perches94f05b02011-08-14 12:16:20 +00007882 DP(NETIF_MSG_LINK,
7883 "Reading from eeprom is limited to 0xf\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007884 return -EINVAL;
7885 }
7886
7887 /* Need to read from 1.8000 to clear it */
7888 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007889 MDIO_PMA_DEVAD,
7890 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7891 &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007892
7893 /* Set the read command byte count */
7894 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007895 MDIO_PMA_DEVAD,
7896 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7897 ((byte_cnt < 2) ? 2 : byte_cnt));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007898
7899 /* Set the read command address */
7900 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007901 MDIO_PMA_DEVAD,
7902 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7903 addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007904 /* Set the destination address */
7905 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007906 MDIO_PMA_DEVAD,
7907 0x8004,
7908 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007909
7910 /* Activate read command */
7911 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007912 MDIO_PMA_DEVAD,
7913 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7914 0x8002);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007915 /* Wait appropriate time for two-wire command to finish before
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007916 * polling the status register
7917 */
Yaniv Rosner503976e2012-11-27 03:46:34 +00007918 usleep_range(1000, 2000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007919
7920 /* Wait up to 500us for command complete status */
7921 for (i = 0; i < 100; i++) {
7922 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007923 MDIO_PMA_DEVAD,
7924 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007925 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7926 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7927 break;
7928 udelay(5);
7929 }
7930
7931 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7932 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7933 DP(NETIF_MSG_LINK,
7934 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7935 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
Yaniv Rosner65a001b2011-01-31 04:22:03 +00007936 return -EFAULT;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007937 }
7938
7939 /* Read the buffer */
7940 for (i = 0; i < byte_cnt; i++) {
7941 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007942 MDIO_PMA_DEVAD,
7943 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007944 o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
7945 }
7946
7947 for (i = 0; i < 100; i++) {
7948 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007949 MDIO_PMA_DEVAD,
7950 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007951 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7952 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
Joe Perches6f38ad92010-11-14 17:04:31 +00007953 return 0;
Yaniv Rosner503976e2012-11-27 03:46:34 +00007954 usleep_range(1000, 2000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007955 }
7956
7957 return -EINVAL;
7958}
7959
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007960int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7961 struct link_params *params, u16 addr,
7962 u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007963{
Yuval Mintz24ea8182012-06-20 19:05:23 +00007964 int rc = -EOPNOTSUPP;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007965 switch (phy->type) {
7966 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
7967 rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
7968 byte_cnt, o_buf);
7969 break;
7970 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
7971 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
7972 rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
7973 byte_cnt, o_buf);
7974 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007975 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7976 rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
Yaniv Rosnere82041d2012-10-31 05:46:56 +00007977 byte_cnt, o_buf, 0);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007978 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007979 }
7980 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007981}
7982
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007983static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
7984 struct link_params *params,
7985 u16 *edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007986{
7987 struct bnx2x *bp = params->bp;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007988 u32 sync_offset = 0, phy_idx, media_types;
Yuval Mintzdbef8072012-06-20 19:05:22 +00007989 u8 val[2], check_limiting_mode = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007990 *edc_mode = EDC_MODE_LIMITING;
7991
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007992 phy->media_type = ETH_PHY_UNSPECIFIED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007993 /* First check for copper cable */
7994 if (bnx2x_read_sfp_module_eeprom(phy,
7995 params,
7996 SFP_EEPROM_CON_TYPE_ADDR,
Yuval Mintzdbef8072012-06-20 19:05:22 +00007997 2,
7998 (u8 *)val) != 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007999 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
8000 return -EINVAL;
8001 }
8002
Yuval Mintzdbef8072012-06-20 19:05:22 +00008003 switch (val[0]) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008004 case SFP_EEPROM_CON_TYPE_VAL_COPPER:
8005 {
8006 u8 copper_module_type;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00008007 phy->media_type = ETH_PHY_DA_TWINAX;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008008 /* Check if its active cable (includes SFP+ module)
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008009 * of passive cable
8010 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008011 if (bnx2x_read_sfp_module_eeprom(phy,
8012 params,
8013 SFP_EEPROM_FC_TX_TECH_ADDR,
8014 1,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00008015 &copper_module_type) != 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008016 DP(NETIF_MSG_LINK,
8017 "Failed to read copper-cable-type"
8018 " from SFP+ EEPROM\n");
8019 return -EINVAL;
8020 }
8021
8022 if (copper_module_type &
8023 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
8024 DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
8025 check_limiting_mode = 1;
8026 } else if (copper_module_type &
8027 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
Joe Perches94f05b02011-08-14 12:16:20 +00008028 DP(NETIF_MSG_LINK,
8029 "Passive Copper cable detected\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008030 *edc_mode =
8031 EDC_MODE_PASSIVE_DAC;
8032 } else {
Joe Perches94f05b02011-08-14 12:16:20 +00008033 DP(NETIF_MSG_LINK,
8034 "Unknown copper-cable-type 0x%x !!!\n",
8035 copper_module_type);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008036 return -EINVAL;
8037 }
8038 break;
8039 }
8040 case SFP_EEPROM_CON_TYPE_VAL_LC:
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008041 check_limiting_mode = 1;
Yuval Mintzdbef8072012-06-20 19:05:22 +00008042 if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
8043 SFP_EEPROM_COMP_CODE_LR_MASK |
8044 SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
8045 DP(NETIF_MSG_LINK, "1G Optic module detected\n");
8046 phy->media_type = ETH_PHY_SFP_1G_FIBER;
8047 phy->req_line_speed = SPEED_1000;
8048 } else {
8049 int idx, cfg_idx = 0;
8050 DP(NETIF_MSG_LINK, "10G Optic module detected\n");
8051 for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
8052 if (params->phy[idx].type == phy->type) {
8053 cfg_idx = LINK_CONFIG_IDX(idx);
8054 break;
8055 }
8056 }
8057 phy->media_type = ETH_PHY_SFPP_10G_FIBER;
8058 phy->req_line_speed = params->req_line_speed[cfg_idx];
8059 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008060 break;
8061 default:
8062 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
Yuval Mintzdbef8072012-06-20 19:05:22 +00008063 val[0]);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008064 return -EINVAL;
8065 }
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00008066 sync_offset = params->shmem_base +
8067 offsetof(struct shmem_region,
8068 dev_info.port_hw_config[params->port].media_type);
8069 media_types = REG_RD(bp, sync_offset);
8070 /* Update media type for non-PMF sync */
8071 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
8072 if (&(params->phy[phy_idx]) == phy) {
8073 media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
8074 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8075 media_types |= ((phy->media_type &
8076 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
8077 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8078 break;
8079 }
8080 }
8081 REG_WR(bp, sync_offset, media_types);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008082 if (check_limiting_mode) {
8083 u8 options[SFP_EEPROM_OPTIONS_SIZE];
8084 if (bnx2x_read_sfp_module_eeprom(phy,
8085 params,
8086 SFP_EEPROM_OPTIONS_ADDR,
8087 SFP_EEPROM_OPTIONS_SIZE,
8088 options) != 0) {
Joe Perches94f05b02011-08-14 12:16:20 +00008089 DP(NETIF_MSG_LINK,
8090 "Failed to read Option field from module EEPROM\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008091 return -EINVAL;
8092 }
8093 if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
8094 *edc_mode = EDC_MODE_LINEAR;
8095 else
8096 *edc_mode = EDC_MODE_LIMITING;
8097 }
8098 DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
8099 return 0;
8100}
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008101/* This function read the relevant field from the module (SFP+), and verify it
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008102 * is compliant with this board
8103 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008104static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
8105 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008106{
8107 struct bnx2x *bp = params->bp;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008108 u32 val, cmd;
8109 u32 fw_resp, fw_cmd_param;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008110 char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
8111 char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008112 phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008113 val = REG_RD(bp, params->shmem_base +
8114 offsetof(struct shmem_region, dev_info.
8115 port_feature_config[params->port].config));
8116 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8117 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
8118 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
8119 return 0;
8120 }
8121
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008122 if (params->feature_config_flags &
8123 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
8124 /* Use specific phy request */
8125 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
8126 } else if (params->feature_config_flags &
8127 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
8128 /* Use first phy request only in case of non-dual media*/
8129 if (DUAL_MEDIA(params)) {
Joe Perches94f05b02011-08-14 12:16:20 +00008130 DP(NETIF_MSG_LINK,
8131 "FW does not support OPT MDL verification\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008132 return -EINVAL;
8133 }
8134 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
8135 } else {
8136 /* No support in OPT MDL detection */
Joe Perches94f05b02011-08-14 12:16:20 +00008137 DP(NETIF_MSG_LINK,
8138 "FW does not support OPT MDL verification\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008139 return -EINVAL;
8140 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008141
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008142 fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
8143 fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008144 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
8145 DP(NETIF_MSG_LINK, "Approved module\n");
8146 return 0;
8147 }
8148
Yuval Mintzd2310232012-06-20 19:05:19 +00008149 /* Format the warning message */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008150 if (bnx2x_read_sfp_module_eeprom(phy,
8151 params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008152 SFP_EEPROM_VENDOR_NAME_ADDR,
8153 SFP_EEPROM_VENDOR_NAME_SIZE,
8154 (u8 *)vendor_name))
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008155 vendor_name[0] = '\0';
8156 else
8157 vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
8158 if (bnx2x_read_sfp_module_eeprom(phy,
8159 params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008160 SFP_EEPROM_PART_NO_ADDR,
8161 SFP_EEPROM_PART_NO_SIZE,
8162 (u8 *)vendor_pn))
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008163 vendor_pn[0] = '\0';
8164 else
8165 vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
8166
Yaniv Rosner6d870c32011-01-31 04:22:20 +00008167 netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
8168 " Port %d from %s part number %s\n",
8169 params->port, vendor_name, vendor_pn);
Yaniv Rosner59a2e532012-04-04 01:28:59 +00008170 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8171 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
8172 phy->flags |= FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008173 return -EINVAL;
8174}
8175
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008176static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
8177 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008178
8179{
8180 u8 val;
Yaniv Rosnere82041d2012-10-31 05:46:56 +00008181 int rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008182 struct bnx2x *bp = params->bp;
8183 u16 timeout;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008184 /* Initialization time after hot-plug may take up to 300ms for
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008185 * some phys type ( e.g. JDSU )
8186 */
8187
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008188 for (timeout = 0; timeout < 60; timeout++) {
Yaniv Rosnere82041d2012-10-31 05:46:56 +00008189 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8190 rc = bnx2x_warpcore_read_sfp_module_eeprom(phy,
8191 params, 1,
8192 1, &val, 1);
8193 else
8194 rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1,
8195 &val);
8196 if (rc == 0) {
Joe Perches94f05b02011-08-14 12:16:20 +00008197 DP(NETIF_MSG_LINK,
8198 "SFP+ module initialization took %d ms\n",
8199 timeout * 5);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008200 return 0;
8201 }
Yuval Mintzd2310232012-06-20 19:05:19 +00008202 usleep_range(5000, 10000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008203 }
Yaniv Rosnere82041d2012-10-31 05:46:56 +00008204 rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val);
8205 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008206}
8207
8208static void bnx2x_8727_power_module(struct bnx2x *bp,
8209 struct bnx2x_phy *phy,
8210 u8 is_power_up) {
8211 /* Make sure GPIOs are not using for LED mode */
8212 u16 val;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008213 /* In the GPIO register, bit 4 is use to determine if the GPIOs are
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008214 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
8215 * output
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008216 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
8217 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008218 * where the 1st bit is the over-current(only input), and 2nd bit is
8219 * for power( only output )
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008220 *
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008221 * In case of NOC feature is disabled and power is up, set GPIO control
8222 * as input to enable listening of over-current indication
8223 */
8224 if (phy->flags & FLAGS_NOC)
8225 return;
Yaniv Rosner27d02432011-05-31 21:27:48 +00008226 if (is_power_up)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008227 val = (1<<4);
8228 else
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008229 /* Set GPIO control to OUTPUT, and set the power bit
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008230 * to according to the is_power_up
8231 */
Yaniv Rosner27d02432011-05-31 21:27:48 +00008232 val = (1<<1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008233
8234 bnx2x_cl45_write(bp, phy,
8235 MDIO_PMA_DEVAD,
8236 MDIO_PMA_REG_8727_GPIO_CTRL,
8237 val);
8238}
8239
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008240static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
8241 struct bnx2x_phy *phy,
8242 u16 edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008243{
8244 u16 cur_limiting_mode;
8245
8246 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008247 MDIO_PMA_DEVAD,
8248 MDIO_PMA_REG_ROM_VER2,
8249 &cur_limiting_mode);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008250 DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
8251 cur_limiting_mode);
8252
8253 if (edc_mode == EDC_MODE_LIMITING) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008254 DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008255 bnx2x_cl45_write(bp, phy,
8256 MDIO_PMA_DEVAD,
8257 MDIO_PMA_REG_ROM_VER2,
8258 EDC_MODE_LIMITING);
8259 } else { /* LRM mode ( default )*/
8260
8261 DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
8262
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008263 /* Changing to LRM mode takes quite few seconds. So do it only
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008264 * if current mode is limiting (default is LRM)
8265 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008266 if (cur_limiting_mode != EDC_MODE_LIMITING)
8267 return 0;
8268
8269 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008270 MDIO_PMA_DEVAD,
8271 MDIO_PMA_REG_LRM_MODE,
8272 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008273 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008274 MDIO_PMA_DEVAD,
8275 MDIO_PMA_REG_ROM_VER2,
8276 0x128);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008277 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008278 MDIO_PMA_DEVAD,
8279 MDIO_PMA_REG_MISC_CTRL0,
8280 0x4008);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008281 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008282 MDIO_PMA_DEVAD,
8283 MDIO_PMA_REG_LRM_MODE,
8284 0xaaaa);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008285 }
8286 return 0;
8287}
8288
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008289static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
8290 struct bnx2x_phy *phy,
8291 u16 edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008292{
8293 u16 phy_identifier;
8294 u16 rom_ver2_val;
8295 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008296 MDIO_PMA_DEVAD,
8297 MDIO_PMA_REG_PHY_IDENTIFIER,
8298 &phy_identifier);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008299
8300 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008301 MDIO_PMA_DEVAD,
8302 MDIO_PMA_REG_PHY_IDENTIFIER,
8303 (phy_identifier & ~(1<<9)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008304
8305 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008306 MDIO_PMA_DEVAD,
8307 MDIO_PMA_REG_ROM_VER2,
8308 &rom_ver2_val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008309 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
8310 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008311 MDIO_PMA_DEVAD,
8312 MDIO_PMA_REG_ROM_VER2,
8313 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008314
8315 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008316 MDIO_PMA_DEVAD,
8317 MDIO_PMA_REG_PHY_IDENTIFIER,
8318 (phy_identifier | (1<<9)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008319
8320 return 0;
8321}
8322
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008323static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
8324 struct link_params *params,
8325 u32 action)
8326{
8327 struct bnx2x *bp = params->bp;
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00008328 u16 val;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008329 switch (action) {
8330 case DISABLE_TX:
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008331 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008332 break;
8333 case ENABLE_TX:
8334 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008335 bnx2x_sfp_set_transmitter(params, phy, 1);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008336 break;
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00008337 case PHY_INIT:
8338 bnx2x_cl45_write(bp, phy,
8339 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8340 (1<<2) | (1<<5));
8341 bnx2x_cl45_write(bp, phy,
8342 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8343 0);
8344 bnx2x_cl45_write(bp, phy,
8345 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
8346 /* Make MOD_ABS give interrupt on change */
8347 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8348 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8349 &val);
8350 val |= (1<<12);
8351 if (phy->flags & FLAGS_NOC)
8352 val |= (3<<5);
8353 /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
8354 * status which reflect SFP+ module over-current
8355 */
8356 if (!(phy->flags & FLAGS_NOC))
8357 val &= 0xff8f; /* Reset bits 4-6 */
8358 bnx2x_cl45_write(bp, phy,
8359 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8360 val);
8361
8362 /* Set 2-wire transfer rate of SFP+ module EEPROM
8363 * to 100Khz since some DACs(direct attached cables) do
8364 * not work at 400Khz.
8365 */
8366 bnx2x_cl45_write(bp, phy,
8367 MDIO_PMA_DEVAD,
8368 MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
8369 0xa001);
8370 break;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008371 default:
8372 DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
8373 action);
8374 return;
8375 }
8376}
8377
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008378static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008379 u8 gpio_mode)
8380{
8381 struct bnx2x *bp = params->bp;
8382
8383 u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
8384 offsetof(struct shmem_region,
8385 dev_info.port_hw_config[params->port].sfp_ctrl)) &
8386 PORT_HW_CFG_FAULT_MODULE_LED_MASK;
8387 switch (fault_led_gpio) {
8388 case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
8389 return;
8390 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
8391 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
8392 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
8393 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
8394 {
8395 u8 gpio_port = bnx2x_get_gpio_port(params);
8396 u16 gpio_pin = fault_led_gpio -
8397 PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
8398 DP(NETIF_MSG_LINK, "Set fault module-detected led "
8399 "pin %x port %x mode %x\n",
8400 gpio_pin, gpio_port, gpio_mode);
8401 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
8402 }
8403 break;
8404 default:
8405 DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
8406 fault_led_gpio);
8407 }
8408}
8409
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008410static void bnx2x_set_e3_module_fault_led(struct link_params *params,
8411 u8 gpio_mode)
8412{
8413 u32 pin_cfg;
8414 u8 port = params->port;
8415 struct bnx2x *bp = params->bp;
8416 pin_cfg = (REG_RD(bp, params->shmem_base +
8417 offsetof(struct shmem_region,
8418 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
8419 PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
8420 PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
8421 DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
8422 gpio_mode, pin_cfg);
8423 bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
8424}
8425
8426static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
8427 u8 gpio_mode)
8428{
8429 struct bnx2x *bp = params->bp;
8430 DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
8431 if (CHIP_IS_E3(bp)) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008432 /* Low ==> if SFP+ module is supported otherwise
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008433 * High ==> if SFP+ module is not on the approved vendor list
8434 */
8435 bnx2x_set_e3_module_fault_led(params, gpio_mode);
8436 } else
8437 bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
8438}
8439
Yaniv Rosner985848f2011-07-05 01:06:48 +00008440static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
8441 struct link_params *params)
8442{
Yaniv Rosnerb76070b2011-11-28 00:49:47 +00008443 struct bnx2x *bp = params->bp;
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00008444 bnx2x_warpcore_power_module(params, 0);
Yaniv Rosnerb76070b2011-11-28 00:49:47 +00008445 /* Put Warpcore in low power mode */
8446 REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
8447
8448 /* Put LCPLL in low power mode */
8449 REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
8450 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
8451 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
Yaniv Rosner985848f2011-07-05 01:06:48 +00008452}
8453
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008454static void bnx2x_power_sfp_module(struct link_params *params,
8455 struct bnx2x_phy *phy,
8456 u8 power)
8457{
8458 struct bnx2x *bp = params->bp;
8459 DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
8460
8461 switch (phy->type) {
8462 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8463 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8464 bnx2x_8727_power_module(params->bp, phy, power);
8465 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008466 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00008467 bnx2x_warpcore_power_module(params, power);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008468 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008469 default:
8470 break;
8471 }
8472}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008473static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
8474 struct bnx2x_phy *phy,
8475 u16 edc_mode)
8476{
8477 u16 val = 0;
8478 u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8479 struct bnx2x *bp = params->bp;
8480
8481 u8 lane = bnx2x_get_warpcore_lane(phy, params);
8482 /* This is a global register which controls all lanes */
8483 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8484 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8485 val &= ~(0xf << (lane << 2));
8486
8487 switch (edc_mode) {
8488 case EDC_MODE_LINEAR:
8489 case EDC_MODE_LIMITING:
8490 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8491 break;
8492 case EDC_MODE_PASSIVE_DAC:
8493 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
8494 break;
8495 default:
8496 break;
8497 }
8498
8499 val |= (mode << (lane << 2));
8500 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
8501 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
8502 /* A must read */
8503 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8504 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8505
Yaniv Rosner19af03a2011-08-02 22:59:47 +00008506 /* Restart microcode to re-read the new mode */
8507 bnx2x_warpcore_reset_lane(bp, phy, 1);
8508 bnx2x_warpcore_reset_lane(bp, phy, 0);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008509
8510}
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008511
8512static void bnx2x_set_limiting_mode(struct link_params *params,
8513 struct bnx2x_phy *phy,
8514 u16 edc_mode)
8515{
8516 switch (phy->type) {
8517 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8518 bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
8519 break;
8520 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8521 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8522 bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
8523 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008524 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8525 bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
8526 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008527 }
8528}
8529
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008530int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
8531 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008532{
8533 struct bnx2x *bp = params->bp;
8534 u16 edc_mode;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008535 int rc = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008536
8537 u32 val = REG_RD(bp, params->shmem_base +
8538 offsetof(struct shmem_region, dev_info.
8539 port_feature_config[params->port].config));
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00008540 /* Enabled transmitter by default */
8541 bnx2x_sfp_set_transmitter(params, phy, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008542 DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
8543 params->port);
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008544 /* Power up module */
8545 bnx2x_power_sfp_module(params, phy, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008546 if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
8547 DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
8548 return -EINVAL;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008549 } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
Yuval Mintzd2310232012-06-20 19:05:19 +00008550 /* Check SFP+ module compatibility */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008551 DP(NETIF_MSG_LINK, "Module verification failed!!\n");
8552 rc = -EINVAL;
8553 /* Turn on fault module-detected led */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008554 bnx2x_set_sfp_module_fault_led(params,
8555 MISC_REGISTERS_GPIO_HIGH);
8556
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008557 /* Check if need to power down the SFP+ module */
8558 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8559 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008560 DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008561 bnx2x_power_sfp_module(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008562 return rc;
8563 }
8564 } else {
8565 /* Turn off fault module-detected led */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008566 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008567 }
8568
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008569 /* Check and set limiting mode / LRM mode on 8726. On 8727 it
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008570 * is done automatically
8571 */
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008572 bnx2x_set_limiting_mode(params, phy, edc_mode);
8573
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00008574 /* Disable transmit for this module if the module is not approved, and
8575 * laser needs to be disabled.
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008576 */
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00008577 if ((rc) &&
8578 ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8579 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008580 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008581
8582 return rc;
8583}
8584
8585void bnx2x_handle_module_detect_int(struct link_params *params)
8586{
8587 struct bnx2x *bp = params->bp;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008588 struct bnx2x_phy *phy;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008589 u32 gpio_val;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008590 u8 gpio_num, gpio_port;
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00008591 if (CHIP_IS_E3(bp)) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008592 phy = &params->phy[INT_PHY];
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00008593 /* Always enable TX laser,will be disabled in case of fault */
8594 bnx2x_sfp_set_transmitter(params, phy, 1);
8595 } else {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008596 phy = &params->phy[EXT_PHY1];
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00008597 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008598 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
8599 params->port, &gpio_num, &gpio_port) ==
8600 -EINVAL) {
8601 DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
8602 return;
8603 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008604
8605 /* Set valid module led off */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008606 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008607
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008608 /* Get current gpio val reflecting module plugged in / out*/
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008609 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008610
8611 /* Call the handling function in case module is detected */
8612 if (gpio_val == 0) {
Yaniv Rosner55386fe82012-11-27 03:46:30 +00008613 bnx2x_set_mdio_emac_per_phy(bp, params);
Yuval Mintzdbef8072012-06-20 19:05:22 +00008614 bnx2x_set_aer_mmd(params, phy);
8615
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008616 bnx2x_power_sfp_module(params, phy, 1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008617 bnx2x_set_gpio_int(bp, gpio_num,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008618 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008619 gpio_port);
Yuval Mintzdbef8072012-06-20 19:05:22 +00008620 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008621 bnx2x_sfp_module_detection(phy, params);
Yuval Mintzdbef8072012-06-20 19:05:22 +00008622 if (CHIP_IS_E3(bp)) {
8623 u16 rx_tx_in_reset;
8624 /* In case WC is out of reset, reconfigure the
8625 * link speed while taking into account 1G
8626 * module limitation.
8627 */
8628 bnx2x_cl45_read(bp, phy,
8629 MDIO_WC_DEVAD,
8630 MDIO_WC_REG_DIGITAL5_MISC6,
8631 &rx_tx_in_reset);
8632 if (!rx_tx_in_reset) {
8633 bnx2x_warpcore_reset_lane(bp, phy, 1);
8634 bnx2x_warpcore_config_sfi(phy, params);
8635 bnx2x_warpcore_reset_lane(bp, phy, 0);
8636 }
8637 }
8638 } else {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008639 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
Yuval Mintzdbef8072012-06-20 19:05:22 +00008640 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008641 } else {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008642 bnx2x_set_gpio_int(bp, gpio_num,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008643 MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008644 gpio_port);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008645 /* Module was plugged out.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008646 * Disable transmit for this module
8647 */
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00008648 phy->media_type = ETH_PHY_NOT_PRESENT;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008649 }
8650}
8651
8652/******************************************************************/
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008653/* Used by 8706 and 8727 */
8654/******************************************************************/
8655static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
8656 struct bnx2x_phy *phy,
8657 u16 alarm_status_offset,
8658 u16 alarm_ctrl_offset)
8659{
8660 u16 alarm_status, val;
8661 bnx2x_cl45_read(bp, phy,
8662 MDIO_PMA_DEVAD, alarm_status_offset,
8663 &alarm_status);
8664 bnx2x_cl45_read(bp, phy,
8665 MDIO_PMA_DEVAD, alarm_status_offset,
8666 &alarm_status);
8667 /* Mask or enable the fault event. */
8668 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
8669 if (alarm_status & (1<<0))
8670 val &= ~(1<<0);
8671 else
8672 val |= (1<<0);
8673 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
8674}
8675/******************************************************************/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008676/* common BCM8706/BCM8726 PHY SECTION */
8677/******************************************************************/
8678static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
8679 struct link_params *params,
8680 struct link_vars *vars)
8681{
8682 u8 link_up = 0;
8683 u16 val1, val2, rx_sd, pcs_status;
8684 struct bnx2x *bp = params->bp;
8685 DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
8686 /* Clear RX Alarm*/
8687 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008688 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008689
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008690 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8691 MDIO_PMA_LASI_TXCTRL);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008692
Yuval Mintzd2310232012-06-20 19:05:19 +00008693 /* Clear LASI indication*/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008694 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008695 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008696 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008697 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008698 DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8699
8700 bnx2x_cl45_read(bp, phy,
8701 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8702 bnx2x_cl45_read(bp, phy,
8703 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
8704 bnx2x_cl45_read(bp, phy,
8705 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8706 bnx2x_cl45_read(bp, phy,
8707 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8708
8709 DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
8710 " link_status 0x%x\n", rx_sd, pcs_status, val2);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008711 /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008712 * are set, or if the autoneg bit 1 is set
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008713 */
8714 link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
8715 if (link_up) {
8716 if (val2 & (1<<1))
8717 vars->line_speed = SPEED_1000;
8718 else
8719 vars->line_speed = SPEED_10000;
8720 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00008721 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008722 }
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008723
8724 /* Capture 10G link fault. Read twice to clear stale value. */
8725 if (vars->line_speed == SPEED_10000) {
8726 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008727 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008728 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008729 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008730 if (val1 & (1<<0))
8731 vars->fault_detected = 1;
8732 }
8733
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008734 return link_up;
8735}
8736
8737/******************************************************************/
8738/* BCM8706 PHY SECTION */
8739/******************************************************************/
8740static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
8741 struct link_params *params,
8742 struct link_vars *vars)
8743{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008744 u32 tx_en_mode;
8745 u16 cnt, val, tmp1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008746 struct bnx2x *bp = params->bp;
Yaniv Rosner3deb8162011-06-14 01:34:33 +00008747
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008748 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008749 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008750 /* HW reset */
8751 bnx2x_ext_phy_hw_reset(bp, params->port);
8752 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00008753 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008754
8755 /* Wait until fw is loaded */
8756 for (cnt = 0; cnt < 100; cnt++) {
8757 bnx2x_cl45_read(bp, phy,
8758 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
8759 if (val)
8760 break;
Yuval Mintzd2310232012-06-20 19:05:19 +00008761 usleep_range(10000, 20000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008762 }
8763 DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
8764 if ((params->feature_config_flags &
8765 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8766 u8 i;
8767 u16 reg;
8768 for (i = 0; i < 4; i++) {
8769 reg = MDIO_XS_8706_REG_BANK_RX0 +
8770 i*(MDIO_XS_8706_REG_BANK_RX1 -
8771 MDIO_XS_8706_REG_BANK_RX0);
8772 bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
8773 /* Clear first 3 bits of the control */
8774 val &= ~0x7;
8775 /* Set control bits according to configuration */
8776 val |= (phy->rx_preemphasis[i] & 0x7);
8777 DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
8778 " reg 0x%x <-- val 0x%x\n", reg, val);
8779 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
8780 }
8781 }
8782 /* Force speed */
8783 if (phy->req_line_speed == SPEED_10000) {
8784 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
8785
8786 bnx2x_cl45_write(bp, phy,
8787 MDIO_PMA_DEVAD,
8788 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
8789 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008790 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008791 0);
8792 /* Arm LASI for link and Tx fault. */
8793 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008794 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008795 } else {
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008796 /* Force 1Gbps using autoneg with 1G advertisement */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008797
8798 /* Allow CL37 through CL73 */
8799 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
8800 bnx2x_cl45_write(bp, phy,
8801 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8802
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008803 /* Enable Full-Duplex advertisement on CL37 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008804 bnx2x_cl45_write(bp, phy,
8805 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
8806 /* Enable CL37 AN */
8807 bnx2x_cl45_write(bp, phy,
8808 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8809 /* 1G support */
8810 bnx2x_cl45_write(bp, phy,
8811 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
8812
8813 /* Enable clause 73 AN */
8814 bnx2x_cl45_write(bp, phy,
8815 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8816 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008817 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008818 0x0400);
8819 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008820 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008821 0x0004);
8822 }
8823 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008824
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008825 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008826 * power mode, if TX Laser is disabled
8827 */
8828
8829 tx_en_mode = REG_RD(bp, params->shmem_base +
8830 offsetof(struct shmem_region,
8831 dev_info.port_hw_config[params->port].sfp_ctrl))
8832 & PORT_HW_CFG_TX_LASER_MASK;
8833
8834 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8835 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8836 bnx2x_cl45_read(bp, phy,
8837 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
8838 tmp1 |= 0x1;
8839 bnx2x_cl45_write(bp, phy,
8840 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
8841 }
8842
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008843 return 0;
8844}
8845
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008846static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
8847 struct link_params *params,
8848 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008849{
8850 return bnx2x_8706_8726_read_status(phy, params, vars);
8851}
8852
8853/******************************************************************/
8854/* BCM8726 PHY SECTION */
8855/******************************************************************/
8856static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
8857 struct link_params *params)
8858{
8859 struct bnx2x *bp = params->bp;
8860 DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
8861 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
8862}
8863
8864static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
8865 struct link_params *params)
8866{
8867 struct bnx2x *bp = params->bp;
8868 /* Need to wait 100ms after reset */
8869 msleep(100);
8870
8871 /* Micro controller re-boot */
8872 bnx2x_cl45_write(bp, phy,
8873 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
8874
8875 /* Set soft reset */
8876 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008877 MDIO_PMA_DEVAD,
8878 MDIO_PMA_REG_GEN_CTRL,
8879 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008880
8881 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008882 MDIO_PMA_DEVAD,
8883 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008884
8885 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008886 MDIO_PMA_DEVAD,
8887 MDIO_PMA_REG_GEN_CTRL,
8888 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008889
Yuval Mintzd2310232012-06-20 19:05:19 +00008890 /* Wait for 150ms for microcode load */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008891 msleep(150);
8892
8893 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
8894 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008895 MDIO_PMA_DEVAD,
8896 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008897
8898 msleep(200);
8899 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8900}
8901
8902static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
8903 struct link_params *params,
8904 struct link_vars *vars)
8905{
8906 struct bnx2x *bp = params->bp;
8907 u16 val1;
8908 u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
8909 if (link_up) {
8910 bnx2x_cl45_read(bp, phy,
8911 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
8912 &val1);
8913 if (val1 & (1<<15)) {
8914 DP(NETIF_MSG_LINK, "Tx is disabled\n");
8915 link_up = 0;
8916 vars->line_speed = 0;
8917 }
8918 }
8919 return link_up;
8920}
8921
8922
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008923static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
8924 struct link_params *params,
8925 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008926{
8927 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008928 DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008929
8930 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00008931 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008932
8933 bnx2x_8726_external_rom_boot(phy, params);
8934
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008935 /* Need to call module detected on initialization since the module
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008936 * detection triggered by actual module insertion might occur before
8937 * driver is loaded, and when driver is loaded, it reset all
8938 * registers, including the transmitter
8939 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008940 bnx2x_sfp_module_detection(phy, params);
8941
8942 if (phy->req_line_speed == SPEED_1000) {
8943 DP(NETIF_MSG_LINK, "Setting 1G force\n");
8944 bnx2x_cl45_write(bp, phy,
8945 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
8946 bnx2x_cl45_write(bp, phy,
8947 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
8948 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008949 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008950 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008951 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008952 0x400);
8953 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
8954 (phy->speed_cap_mask &
8955 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
8956 ((phy->speed_cap_mask &
8957 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
8958 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
8959 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
8960 /* Set Flow control */
8961 bnx2x_ext_phy_set_pause(params, phy, vars);
8962 bnx2x_cl45_write(bp, phy,
8963 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
8964 bnx2x_cl45_write(bp, phy,
8965 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8966 bnx2x_cl45_write(bp, phy,
8967 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
8968 bnx2x_cl45_write(bp, phy,
8969 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8970 bnx2x_cl45_write(bp, phy,
8971 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008972 /* Enable RX-ALARM control to receive interrupt for 1G speed
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008973 * change
8974 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008975 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008976 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008977 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008978 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008979 0x400);
8980
8981 } else { /* Default 10G. Set only LASI control */
8982 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008983 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008984 }
8985
8986 /* Set TX PreEmphasis if needed */
8987 if ((params->feature_config_flags &
8988 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
Joe Perches94f05b02011-08-14 12:16:20 +00008989 DP(NETIF_MSG_LINK,
8990 "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008991 phy->tx_preemphasis[0],
8992 phy->tx_preemphasis[1]);
8993 bnx2x_cl45_write(bp, phy,
8994 MDIO_PMA_DEVAD,
8995 MDIO_PMA_REG_8726_TX_CTRL1,
8996 phy->tx_preemphasis[0]);
8997
8998 bnx2x_cl45_write(bp, phy,
8999 MDIO_PMA_DEVAD,
9000 MDIO_PMA_REG_8726_TX_CTRL2,
9001 phy->tx_preemphasis[1]);
9002 }
9003
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009004 return 0;
9005
9006}
9007
9008static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
9009 struct link_params *params)
9010{
9011 struct bnx2x *bp = params->bp;
9012 DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
9013 /* Set serial boot control for external load */
9014 bnx2x_cl45_write(bp, phy,
9015 MDIO_PMA_DEVAD,
9016 MDIO_PMA_REG_GEN_CTRL, 0x0001);
9017}
9018
9019/******************************************************************/
9020/* BCM8727 PHY SECTION */
9021/******************************************************************/
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009022
9023static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
9024 struct link_params *params, u8 mode)
9025{
9026 struct bnx2x *bp = params->bp;
9027 u16 led_mode_bitmask = 0;
9028 u16 gpio_pins_bitmask = 0;
9029 u16 val;
9030 /* Only NOC flavor requires to set the LED specifically */
9031 if (!(phy->flags & FLAGS_NOC))
9032 return;
9033 switch (mode) {
9034 case LED_MODE_FRONT_PANEL_OFF:
9035 case LED_MODE_OFF:
9036 led_mode_bitmask = 0;
9037 gpio_pins_bitmask = 0x03;
9038 break;
9039 case LED_MODE_ON:
9040 led_mode_bitmask = 0;
9041 gpio_pins_bitmask = 0x02;
9042 break;
9043 case LED_MODE_OPER:
9044 led_mode_bitmask = 0x60;
9045 gpio_pins_bitmask = 0x11;
9046 break;
9047 }
9048 bnx2x_cl45_read(bp, phy,
9049 MDIO_PMA_DEVAD,
9050 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9051 &val);
9052 val &= 0xff8f;
9053 val |= led_mode_bitmask;
9054 bnx2x_cl45_write(bp, phy,
9055 MDIO_PMA_DEVAD,
9056 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9057 val);
9058 bnx2x_cl45_read(bp, phy,
9059 MDIO_PMA_DEVAD,
9060 MDIO_PMA_REG_8727_GPIO_CTRL,
9061 &val);
9062 val &= 0xffe0;
9063 val |= gpio_pins_bitmask;
9064 bnx2x_cl45_write(bp, phy,
9065 MDIO_PMA_DEVAD,
9066 MDIO_PMA_REG_8727_GPIO_CTRL,
9067 val);
9068}
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009069static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
9070 struct link_params *params) {
9071 u32 swap_val, swap_override;
9072 u8 port;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009073 /* The PHY reset is controlled by GPIO 1. Fake the port number
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009074 * to cancel the swap done in set_gpio()
9075 */
9076 struct bnx2x *bp = params->bp;
9077 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
9078 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
9079 port = (swap_val && swap_override) ^ 1;
9080 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009081 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009082}
9083
Yuval Mintzdbef8072012-06-20 19:05:22 +00009084static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
9085 struct link_params *params)
9086{
9087 struct bnx2x *bp = params->bp;
9088 u16 tmp1, val;
9089 /* Set option 1G speed */
9090 if ((phy->req_line_speed == SPEED_1000) ||
9091 (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
9092 DP(NETIF_MSG_LINK, "Setting 1G force\n");
9093 bnx2x_cl45_write(bp, phy,
9094 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9095 bnx2x_cl45_write(bp, phy,
9096 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9097 bnx2x_cl45_read(bp, phy,
9098 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
9099 DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
9100 /* Power down the XAUI until link is up in case of dual-media
9101 * and 1G
9102 */
9103 if (DUAL_MEDIA(params)) {
9104 bnx2x_cl45_read(bp, phy,
9105 MDIO_PMA_DEVAD,
9106 MDIO_PMA_REG_8727_PCS_GP, &val);
9107 val |= (3<<10);
9108 bnx2x_cl45_write(bp, phy,
9109 MDIO_PMA_DEVAD,
9110 MDIO_PMA_REG_8727_PCS_GP, val);
9111 }
9112 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9113 ((phy->speed_cap_mask &
9114 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
9115 ((phy->speed_cap_mask &
9116 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9117 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9118
9119 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9120 bnx2x_cl45_write(bp, phy,
9121 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
9122 bnx2x_cl45_write(bp, phy,
9123 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
9124 } else {
9125 /* Since the 8727 has only single reset pin, need to set the 10G
9126 * registers although it is default
9127 */
9128 bnx2x_cl45_write(bp, phy,
9129 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
9130 0x0020);
9131 bnx2x_cl45_write(bp, phy,
9132 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
9133 bnx2x_cl45_write(bp, phy,
9134 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
9135 bnx2x_cl45_write(bp, phy,
9136 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
9137 0x0008);
9138 }
9139}
9140
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009141static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
9142 struct link_params *params,
9143 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009144{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00009145 u32 tx_en_mode;
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00009146 u16 tmp1, mod_abs, tmp2;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009147 struct bnx2x *bp = params->bp;
9148 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
9149
Yaniv Rosner6d870c32011-01-31 04:22:20 +00009150 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009151
9152 DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009153
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00009154 bnx2x_8727_specific_func(phy, params, PHY_INIT);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009155 /* Initially configure MOD_ABS to interrupt when module is
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009156 * presence( bit 8)
9157 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009158 bnx2x_cl45_read(bp, phy,
9159 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009160 /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009161 * When the EDC is off it locks onto a reference clock and avoids
9162 * becoming 'lost'
9163 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009164 mod_abs &= ~(1<<8);
9165 if (!(phy->flags & FLAGS_NOC))
9166 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009167 bnx2x_cl45_write(bp, phy,
9168 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9169
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009170 /* Enable/Disable PHY transmitter output */
9171 bnx2x_set_disable_pmd_transmit(params, phy, 0);
9172
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009173 bnx2x_8727_power_module(bp, phy, 1);
9174
9175 bnx2x_cl45_read(bp, phy,
9176 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
9177
9178 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009179 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009180
Yuval Mintzdbef8072012-06-20 19:05:22 +00009181 bnx2x_8727_config_speed(phy, params);
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00009182
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009183
9184 /* Set TX PreEmphasis if needed */
9185 if ((params->feature_config_flags &
9186 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9187 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9188 phy->tx_preemphasis[0],
9189 phy->tx_preemphasis[1]);
9190 bnx2x_cl45_write(bp, phy,
9191 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
9192 phy->tx_preemphasis[0]);
9193
9194 bnx2x_cl45_write(bp, phy,
9195 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
9196 phy->tx_preemphasis[1]);
9197 }
9198
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009199 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00009200 * power mode, if TX Laser is disabled
9201 */
9202 tx_en_mode = REG_RD(bp, params->shmem_base +
9203 offsetof(struct shmem_region,
9204 dev_info.port_hw_config[params->port].sfp_ctrl))
9205 & PORT_HW_CFG_TX_LASER_MASK;
9206
9207 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9208
9209 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
9210 bnx2x_cl45_read(bp, phy,
9211 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
9212 tmp2 |= 0x1000;
9213 tmp2 &= 0xFFEF;
9214 bnx2x_cl45_write(bp, phy,
9215 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
Yaniv Rosner59a2e532012-04-04 01:28:59 +00009216 bnx2x_cl45_read(bp, phy,
9217 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9218 &tmp2);
9219 bnx2x_cl45_write(bp, phy,
9220 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9221 (tmp2 & 0x7fff));
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00009222 }
9223
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009224 return 0;
9225}
9226
9227static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
9228 struct link_params *params)
9229{
9230 struct bnx2x *bp = params->bp;
9231 u16 mod_abs, rx_alarm_status;
9232 u32 val = REG_RD(bp, params->shmem_base +
9233 offsetof(struct shmem_region, dev_info.
9234 port_feature_config[params->port].
9235 config));
9236 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009237 MDIO_PMA_DEVAD,
9238 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009239 if (mod_abs & (1<<8)) {
9240
9241 /* Module is absent */
Joe Perches94f05b02011-08-14 12:16:20 +00009242 DP(NETIF_MSG_LINK,
9243 "MOD_ABS indication show module is absent\n");
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00009244 phy->media_type = ETH_PHY_NOT_PRESENT;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009245 /* 1. Set mod_abs to detect next module
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009246 * presence event
9247 * 2. Set EDC off by setting OPTXLOS signal input to low
9248 * (bit 9).
9249 * When the EDC is off it locks onto a reference clock and
9250 * avoids becoming 'lost'.
9251 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009252 mod_abs &= ~(1<<8);
9253 if (!(phy->flags & FLAGS_NOC))
9254 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009255 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009256 MDIO_PMA_DEVAD,
9257 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009258
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009259 /* Clear RX alarm since it stays up as long as
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009260 * the mod_abs wasn't changed
9261 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009262 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009263 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009264 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009265
9266 } else {
9267 /* Module is present */
Joe Perches94f05b02011-08-14 12:16:20 +00009268 DP(NETIF_MSG_LINK,
9269 "MOD_ABS indication show module is present\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009270 /* First disable transmitter, and if the module is ok, the
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009271 * module_detection will enable it
9272 * 1. Set mod_abs to detect next module absent event ( bit 8)
9273 * 2. Restore the default polarity of the OPRXLOS signal and
9274 * this signal will then correctly indicate the presence or
9275 * absence of the Rx signal. (bit 9)
9276 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009277 mod_abs |= (1<<8);
9278 if (!(phy->flags & FLAGS_NOC))
9279 mod_abs |= (1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009280 bnx2x_cl45_write(bp, phy,
9281 MDIO_PMA_DEVAD,
9282 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9283
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009284 /* Clear RX alarm since it stays up as long as the mod_abs
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009285 * wasn't changed. This is need to be done before calling the
9286 * module detection, otherwise it will clear* the link update
9287 * alarm
9288 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009289 bnx2x_cl45_read(bp, phy,
9290 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009291 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009292
9293
9294 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9295 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00009296 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009297
9298 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
9299 bnx2x_sfp_module_detection(phy, params);
9300 else
9301 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
Yuval Mintzdbef8072012-06-20 19:05:22 +00009302
9303 /* Reconfigure link speed based on module type limitations */
9304 bnx2x_8727_config_speed(phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009305 }
9306
9307 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009308 rx_alarm_status);
9309 /* No need to check link status in case of module plugged in/out */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009310}
9311
9312static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
9313 struct link_params *params,
9314 struct link_vars *vars)
9315
9316{
9317 struct bnx2x *bp = params->bp;
Yaniv Rosner27d02432011-05-31 21:27:48 +00009318 u8 link_up = 0, oc_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009319 u16 link_status = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009320 u16 rx_alarm_status, lasi_ctrl, val1;
9321
9322 /* If PHY is not initialized, do not check link status */
9323 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009324 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009325 &lasi_ctrl);
9326 if (!lasi_ctrl)
9327 return 0;
9328
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00009329 /* Check the LASI on Rx */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009330 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009331 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009332 &rx_alarm_status);
9333 vars->line_speed = 0;
9334 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
9335
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009336 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
9337 MDIO_PMA_LASI_TXCTRL);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00009338
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009339 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009340 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009341
9342 DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
9343
9344 /* Clear MSG-OUT */
9345 bnx2x_cl45_read(bp, phy,
9346 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
9347
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009348 /* If a module is present and there is need to check
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009349 * for over current
9350 */
9351 if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
9352 /* Check over-current using 8727 GPIO0 input*/
9353 bnx2x_cl45_read(bp, phy,
9354 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
9355 &val1);
9356
9357 if ((val1 & (1<<8)) == 0) {
Yaniv Rosner27d02432011-05-31 21:27:48 +00009358 if (!CHIP_IS_E1x(bp))
9359 oc_port = BP_PATH(bp) + (params->port << 1);
Joe Perches94f05b02011-08-14 12:16:20 +00009360 DP(NETIF_MSG_LINK,
9361 "8727 Power fault has been detected on port %d\n",
9362 oc_port);
Yaniv Rosner2f751a82011-11-28 00:49:52 +00009363 netdev_err(bp->dev, "Error: Power fault on Port %d has "
9364 "been detected and the power to "
9365 "that SFP+ module has been removed "
9366 "to prevent failure of the card. "
9367 "Please remove the SFP+ module and "
9368 "restart the system to clear this "
9369 "error.\n",
Yaniv Rosner27d02432011-05-31 21:27:48 +00009370 oc_port);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009371 /* Disable all RX_ALARMs except for mod_abs */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009372 bnx2x_cl45_write(bp, phy,
9373 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009374 MDIO_PMA_LASI_RXCTRL, (1<<5));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009375
9376 bnx2x_cl45_read(bp, phy,
9377 MDIO_PMA_DEVAD,
9378 MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
9379 /* Wait for module_absent_event */
9380 val1 |= (1<<8);
9381 bnx2x_cl45_write(bp, phy,
9382 MDIO_PMA_DEVAD,
9383 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
9384 /* Clear RX alarm */
9385 bnx2x_cl45_read(bp, phy,
9386 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009387 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +00009388 bnx2x_8727_power_module(params->bp, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009389 return 0;
9390 }
9391 } /* Over current check */
9392
9393 /* When module absent bit is set, check module */
9394 if (rx_alarm_status & (1<<5)) {
9395 bnx2x_8727_handle_mod_abs(phy, params);
9396 /* Enable all mod_abs and link detection bits */
9397 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009398 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009399 ((1<<5) | (1<<2)));
9400 }
Yaniv Rosner59a2e532012-04-04 01:28:59 +00009401
9402 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
9403 DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
9404 bnx2x_sfp_set_transmitter(params, phy, 1);
9405 } else {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009406 DP(NETIF_MSG_LINK, "Tx is disabled\n");
9407 return 0;
9408 }
9409
9410 bnx2x_cl45_read(bp, phy,
9411 MDIO_PMA_DEVAD,
9412 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
9413
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009414 /* Bits 0..2 --> speed detected,
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009415 * Bits 13..15--> link is down
9416 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009417 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
9418 link_up = 1;
9419 vars->line_speed = SPEED_10000;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009420 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
9421 params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009422 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
9423 link_up = 1;
9424 vars->line_speed = SPEED_1000;
9425 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
9426 params->port);
9427 } else {
9428 link_up = 0;
9429 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
9430 params->port);
9431 }
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00009432
9433 /* Capture 10G link fault. */
9434 if (vars->line_speed == SPEED_10000) {
9435 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009436 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00009437
9438 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009439 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00009440
9441 if (val1 & (1<<0)) {
9442 vars->fault_detected = 1;
9443 }
9444 }
9445
Yaniv Rosner791f18c2011-01-18 04:33:42 +00009446 if (link_up) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009447 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00009448 vars->duplex = DUPLEX_FULL;
9449 DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
9450 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009451
9452 if ((DUAL_MEDIA(params)) &&
9453 (phy->req_line_speed == SPEED_1000)) {
9454 bnx2x_cl45_read(bp, phy,
9455 MDIO_PMA_DEVAD,
9456 MDIO_PMA_REG_8727_PCS_GP, &val1);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009457 /* In case of dual-media board and 1G, power up the XAUI side,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009458 * otherwise power it down. For 10G it is done automatically
9459 */
9460 if (link_up)
9461 val1 &= ~(3<<10);
9462 else
9463 val1 |= (3<<10);
9464 bnx2x_cl45_write(bp, phy,
9465 MDIO_PMA_DEVAD,
9466 MDIO_PMA_REG_8727_PCS_GP, val1);
9467 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009468 return link_up;
9469}
9470
9471static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
9472 struct link_params *params)
9473{
9474 struct bnx2x *bp = params->bp;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009475
9476 /* Enable/Disable PHY transmitter output */
9477 bnx2x_set_disable_pmd_transmit(params, phy, 1);
9478
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009479 /* Disable Transmitter */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00009480 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009481 /* Clear LASI */
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009482 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009483
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009484}
9485
9486/******************************************************************/
9487/* BCM8481/BCM84823/BCM84833 PHY SECTION */
9488/******************************************************************/
9489static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009490 struct bnx2x *bp,
9491 u8 port)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009492{
Yaniv Rosner503976e2012-11-27 03:46:34 +00009493 u16 val, fw_ver2, cnt, i;
9494 static struct bnx2x_reg_set reg_set[] = {
9495 {MDIO_PMA_DEVAD, 0xA819, 0x0014},
9496 {MDIO_PMA_DEVAD, 0xA81A, 0xc200},
9497 {MDIO_PMA_DEVAD, 0xA81B, 0x0000},
9498 {MDIO_PMA_DEVAD, 0xA81C, 0x0300},
9499 {MDIO_PMA_DEVAD, 0xA817, 0x0009}
9500 };
9501 u16 fw_ver1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009502
Yaniv Rosner0f6bb032012-11-27 03:46:32 +00009503 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9504 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009505 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
Yaniv Rosner8267bbb02012-04-04 01:29:00 +00009506 bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009507 phy->ver_addr);
9508 } else {
9509 /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
9510 /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
Yaniv Rosner503976e2012-11-27 03:46:34 +00009511 for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set);
9512 i++)
9513 bnx2x_cl45_write(bp, phy, reg_set[i].devad,
9514 reg_set[i].reg, reg_set[i].val);
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00009515
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009516 for (cnt = 0; cnt < 100; cnt++) {
9517 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9518 if (val & 1)
9519 break;
9520 udelay(5);
9521 }
9522 if (cnt == 100) {
9523 DP(NETIF_MSG_LINK, "Unable to read 848xx "
9524 "phy fw version(1)\n");
9525 bnx2x_save_spirom_version(bp, port, 0,
9526 phy->ver_addr);
9527 return;
9528 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009529
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009530
9531 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
9532 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
9533 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9534 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
9535 for (cnt = 0; cnt < 100; cnt++) {
9536 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9537 if (val & 1)
9538 break;
9539 udelay(5);
9540 }
9541 if (cnt == 100) {
9542 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
9543 "version(2)\n");
9544 bnx2x_save_spirom_version(bp, port, 0,
9545 phy->ver_addr);
9546 return;
9547 }
9548
9549 /* lower 16 bits of the register SPI_FW_STATUS */
9550 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
9551 /* upper 16 bits of register SPI_FW_STATUS */
9552 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
9553
9554 bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009555 phy->ver_addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009556 }
9557
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009558}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009559static void bnx2x_848xx_set_led(struct bnx2x *bp,
9560 struct bnx2x_phy *phy)
9561{
Yaniv Rosner503976e2012-11-27 03:46:34 +00009562 u16 val, offset, i;
9563 static struct bnx2x_reg_set reg_set[] = {
9564 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
9565 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
9566 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
9567 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
9568 {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
9569 MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
9570 {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
9571 };
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009572 /* PHYC_CTL_LED_CTL */
9573 bnx2x_cl45_read(bp, phy,
9574 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009575 MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009576 val &= 0xFE00;
9577 val |= 0x0092;
9578
9579 bnx2x_cl45_write(bp, phy,
9580 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009581 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009582
Yaniv Rosner503976e2012-11-27 03:46:34 +00009583 for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
9584 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
9585 reg_set[i].val);
Yaniv Rosner521683d2011-11-28 00:49:48 +00009586
Yaniv Rosner0f6bb032012-11-27 03:46:32 +00009587 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9588 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
Yaniv Rosner521683d2011-11-28 00:49:48 +00009589 offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
9590 else
9591 offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
9592
Yaniv Rosner503976e2012-11-27 03:46:34 +00009593 /* stretch_en for LED3*/
9594 bnx2x_cl45_read_or_write(bp, phy,
9595 MDIO_PMA_DEVAD, offset,
9596 MDIO_PMA_REG_84823_LED3_STRETCH_EN);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009597}
9598
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00009599static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
9600 struct link_params *params,
9601 u32 action)
9602{
9603 struct bnx2x *bp = params->bp;
9604 switch (action) {
9605 case PHY_INIT:
Yaniv Rosner0f6bb032012-11-27 03:46:32 +00009606 if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
9607 (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00009608 /* Save spirom version */
9609 bnx2x_save_848xx_spirom_version(phy, bp, params->port);
9610 }
9611 /* This phy uses the NIG latch mechanism since link indication
9612 * arrives through its LED4 and not via its LASI signal, so we
9613 * get steady signal instead of clear on read
9614 */
9615 bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
9616 1 << NIG_LATCH_BC_ENABLE_MI_INT);
9617
9618 bnx2x_848xx_set_led(bp, phy);
9619 break;
9620 }
9621}
9622
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009623static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
9624 struct link_params *params,
9625 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009626{
9627 struct bnx2x *bp = params->bp;
Yaniv Rosner503976e2012-11-27 03:46:34 +00009628 u16 autoneg_val, an_1000_val, an_10_100_val;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009629
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00009630 bnx2x_848xx_specific_func(phy, params, PHY_INIT);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009631 bnx2x_cl45_write(bp, phy,
9632 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
9633
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009634 /* set 1000 speed advertisement */
9635 bnx2x_cl45_read(bp, phy,
9636 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9637 &an_1000_val);
9638
9639 bnx2x_ext_phy_set_pause(params, phy, vars);
9640 bnx2x_cl45_read(bp, phy,
9641 MDIO_AN_DEVAD,
9642 MDIO_AN_REG_8481_LEGACY_AN_ADV,
9643 &an_10_100_val);
9644 bnx2x_cl45_read(bp, phy,
9645 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9646 &autoneg_val);
9647 /* Disable forced speed */
9648 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9649 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
9650
9651 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9652 (phy->speed_cap_mask &
9653 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9654 (phy->req_line_speed == SPEED_1000)) {
9655 an_1000_val |= (1<<8);
9656 autoneg_val |= (1<<9 | 1<<12);
9657 if (phy->req_duplex == DUPLEX_FULL)
9658 an_1000_val |= (1<<9);
9659 DP(NETIF_MSG_LINK, "Advertising 1G\n");
9660 } else
9661 an_1000_val &= ~((1<<8) | (1<<9));
9662
9663 bnx2x_cl45_write(bp, phy,
9664 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9665 an_1000_val);
9666
Yaniv Rosner0520e632011-07-05 01:06:59 +00009667 /* set 100 speed advertisement */
Yaniv Rosner75318322012-01-17 02:33:27 +00009668 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009669 (phy->speed_cap_mask &
Yaniv Rosner0520e632011-07-05 01:06:59 +00009670 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
Yaniv Rosner75318322012-01-17 02:33:27 +00009671 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009672 an_10_100_val |= (1<<7);
9673 /* Enable autoneg and restart autoneg for legacy speeds */
9674 autoneg_val |= (1<<9 | 1<<12);
9675
9676 if (phy->req_duplex == DUPLEX_FULL)
9677 an_10_100_val |= (1<<8);
9678 DP(NETIF_MSG_LINK, "Advertising 100M\n");
9679 }
9680 /* set 10 speed advertisement */
9681 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
Yaniv Rosner0520e632011-07-05 01:06:59 +00009682 (phy->speed_cap_mask &
9683 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
9684 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
9685 (phy->supported &
9686 (SUPPORTED_10baseT_Half |
9687 SUPPORTED_10baseT_Full)))) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009688 an_10_100_val |= (1<<5);
9689 autoneg_val |= (1<<9 | 1<<12);
9690 if (phy->req_duplex == DUPLEX_FULL)
9691 an_10_100_val |= (1<<6);
9692 DP(NETIF_MSG_LINK, "Advertising 10M\n");
9693 }
9694
9695 /* Only 10/100 are allowed to work in FORCE mode */
Yaniv Rosner0520e632011-07-05 01:06:59 +00009696 if ((phy->req_line_speed == SPEED_100) &&
9697 (phy->supported &
9698 (SUPPORTED_100baseT_Half |
9699 SUPPORTED_100baseT_Full))) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009700 autoneg_val |= (1<<13);
9701 /* Enabled AUTO-MDIX when autoneg is disabled */
9702 bnx2x_cl45_write(bp, phy,
9703 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9704 (1<<15 | 1<<9 | 7<<0));
Yaniv Rosner521683d2011-11-28 00:49:48 +00009705 /* The PHY needs this set even for forced link. */
9706 an_10_100_val |= (1<<8) | (1<<7);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009707 DP(NETIF_MSG_LINK, "Setting 100M force\n");
9708 }
Yaniv Rosner0520e632011-07-05 01:06:59 +00009709 if ((phy->req_line_speed == SPEED_10) &&
9710 (phy->supported &
9711 (SUPPORTED_10baseT_Half |
9712 SUPPORTED_10baseT_Full))) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009713 /* 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));
9717 DP(NETIF_MSG_LINK, "Setting 10M force\n");
9718 }
9719
9720 bnx2x_cl45_write(bp, phy,
9721 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
9722 an_10_100_val);
9723
9724 if (phy->req_duplex == DUPLEX_FULL)
9725 autoneg_val |= (1<<8);
9726
Yaniv Rosner0f6bb032012-11-27 03:46:32 +00009727 /* Always write this if this is not 84833/4.
9728 * For 84833/4, write it only when it's a forced speed.
Yaniv Rosnerfd38f73e2011-08-02 22:59:53 +00009729 */
Yaniv Rosner0f6bb032012-11-27 03:46:32 +00009730 if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
9731 (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
Yaniv Rosner503976e2012-11-27 03:46:34 +00009732 ((autoneg_val & (1<<12)) == 0))
Yaniv Rosnerfd38f73e2011-08-02 22:59:53 +00009733 bnx2x_cl45_write(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009734 MDIO_AN_DEVAD,
9735 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
9736
9737 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9738 (phy->speed_cap_mask &
9739 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
9740 (phy->req_line_speed == SPEED_10000)) {
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00009741 DP(NETIF_MSG_LINK, "Advertising 10G\n");
9742 /* Restart autoneg for 10G*/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009743
Yaniv Rosner503976e2012-11-27 03:46:34 +00009744 bnx2x_cl45_read_or_write(
9745 bp, phy,
9746 MDIO_AN_DEVAD,
9747 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9748 0x1000);
Yaniv Rosner521683d2011-11-28 00:49:48 +00009749 bnx2x_cl45_write(bp, phy,
9750 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
9751 0x3200);
Yaniv Rosnerfd38f73e2011-08-02 22:59:53 +00009752 } else
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009753 bnx2x_cl45_write(bp, phy,
9754 MDIO_AN_DEVAD,
9755 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9756 1);
Yaniv Rosnerfd38f73e2011-08-02 22:59:53 +00009757
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009758 return 0;
9759}
9760
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009761static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
9762 struct link_params *params,
9763 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009764{
9765 struct bnx2x *bp = params->bp;
9766 /* Restore normal power mode*/
9767 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009768 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009769
9770 /* HW reset */
9771 bnx2x_ext_phy_hw_reset(bp, params->port);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00009772 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009773
9774 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9775 return bnx2x_848xx_cmn_config_init(phy, params, vars);
9776}
9777
Yaniv Rosner521683d2011-11-28 00:49:48 +00009778#define PHY84833_CMDHDLR_WAIT 300
9779#define PHY84833_CMDHDLR_MAX_ARGS 5
9780static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
Yaniv Rosner503976e2012-11-27 03:46:34 +00009781 struct link_params *params, u16 fw_cmd,
9782 u16 cmd_args[], int argc)
Yaniv Rosner521683d2011-11-28 00:49:48 +00009783{
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009784 int idx;
Yaniv Rosner521683d2011-11-28 00:49:48 +00009785 u16 val;
9786 struct bnx2x *bp = params->bp;
9787 /* Write CMD_OPEN_OVERRIDE to STATUS reg */
9788 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9789 MDIO_84833_CMD_HDLR_STATUS,
9790 PHY84833_STATUS_CMD_OPEN_OVERRIDE);
9791 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9792 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9793 MDIO_84833_CMD_HDLR_STATUS, &val);
9794 if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
9795 break;
Yaniv Rosner503976e2012-11-27 03:46:34 +00009796 usleep_range(1000, 2000);
Yaniv Rosner521683d2011-11-28 00:49:48 +00009797 }
9798 if (idx >= PHY84833_CMDHDLR_WAIT) {
9799 DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
9800 return -EINVAL;
9801 }
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009802
Yaniv Rosner521683d2011-11-28 00:49:48 +00009803 /* Prepare argument(s) and issue command */
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009804 for (idx = 0; idx < argc; idx++) {
Yaniv Rosner521683d2011-11-28 00:49:48 +00009805 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9806 MDIO_84833_CMD_HDLR_DATA1 + idx,
9807 cmd_args[idx]);
9808 }
9809 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9810 MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
9811 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9812 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9813 MDIO_84833_CMD_HDLR_STATUS, &val);
9814 if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
9815 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
9816 break;
Yaniv Rosner503976e2012-11-27 03:46:34 +00009817 usleep_range(1000, 2000);
Yaniv Rosner521683d2011-11-28 00:49:48 +00009818 }
9819 if ((idx >= PHY84833_CMDHDLR_WAIT) ||
9820 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
9821 DP(NETIF_MSG_LINK, "FW cmd failed.\n");
9822 return -EINVAL;
9823 }
9824 /* Gather returning data */
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009825 for (idx = 0; idx < argc; idx++) {
Yaniv Rosner521683d2011-11-28 00:49:48 +00009826 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9827 MDIO_84833_CMD_HDLR_DATA1 + idx,
9828 &cmd_args[idx]);
9829 }
9830 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9831 MDIO_84833_CMD_HDLR_STATUS,
9832 PHY84833_STATUS_CMD_CLEAR_COMPLETE);
9833 return 0;
9834}
9835
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009836static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
9837 struct link_params *params,
9838 struct link_vars *vars)
9839{
Yaniv Rosner0520e632011-07-05 01:06:59 +00009840 u32 pair_swap;
Yaniv Rosner521683d2011-11-28 00:49:48 +00009841 u16 data[PHY84833_CMDHDLR_MAX_ARGS];
9842 int status;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009843 struct bnx2x *bp = params->bp;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009844
Yaniv Rosner0520e632011-07-05 01:06:59 +00009845 /* Check for configuration. */
9846 pair_swap = REG_RD(bp, params->shmem_base +
9847 offsetof(struct shmem_region,
9848 dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
9849 PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
9850
9851 if (pair_swap == 0)
9852 return 0;
9853
Yaniv Rosner521683d2011-11-28 00:49:48 +00009854 /* Only the second argument is used for this command */
9855 data[1] = (u16)pair_swap;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009856
Yaniv Rosner521683d2011-11-28 00:49:48 +00009857 status = bnx2x_84833_cmd_hdlr(phy, params,
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009858 PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
Yaniv Rosner521683d2011-11-28 00:49:48 +00009859 if (status == 0)
9860 DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009861
Yaniv Rosner521683d2011-11-28 00:49:48 +00009862 return status;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009863}
9864
Yaniv Rosner985848f2011-07-05 01:06:48 +00009865static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
9866 u32 shmem_base_path[],
9867 u32 chip_id)
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009868{
9869 u32 reset_pin[2];
9870 u32 idx;
9871 u8 reset_gpios;
9872 if (CHIP_IS_E3(bp)) {
9873 /* Assume that these will be GPIOs, not EPIOs. */
9874 for (idx = 0; idx < 2; idx++) {
9875 /* Map config param to register bit. */
9876 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9877 offsetof(struct shmem_region,
9878 dev_info.port_hw_config[0].e3_cmn_pin_cfg));
9879 reset_pin[idx] = (reset_pin[idx] &
9880 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
9881 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
9882 reset_pin[idx] -= PIN_CFG_GPIO0_P0;
9883 reset_pin[idx] = (1 << reset_pin[idx]);
9884 }
9885 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9886 } else {
9887 /* E2, look from diff place of shmem. */
9888 for (idx = 0; idx < 2; idx++) {
9889 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9890 offsetof(struct shmem_region,
9891 dev_info.port_hw_config[0].default_cfg));
9892 reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
9893 reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
9894 reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
9895 reset_pin[idx] = (1 << reset_pin[idx]);
9896 }
9897 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9898 }
9899
Yaniv Rosner985848f2011-07-05 01:06:48 +00009900 return reset_gpios;
9901}
9902
9903static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
9904 struct link_params *params)
9905{
9906 struct bnx2x *bp = params->bp;
9907 u8 reset_gpios;
9908 u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
9909 offsetof(struct shmem2_region,
9910 other_shmem_base_addr));
9911
9912 u32 shmem_base_path[2];
Yaniv Rosner99bf7f32012-04-04 01:29:01 +00009913
9914 /* Work around for 84833 LED failure inside RESET status */
9915 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
9916 MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9917 MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
9918 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
9919 MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
9920 MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
9921
Yaniv Rosner985848f2011-07-05 01:06:48 +00009922 shmem_base_path[0] = params->shmem_base;
9923 shmem_base_path[1] = other_shmem_base_addr;
9924
9925 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
9926 params->chip_id);
9927
9928 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
9929 udelay(10);
9930 DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
9931 reset_gpios);
9932
9933 return 0;
9934}
9935
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009936static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
9937 struct link_params *params,
9938 struct link_vars *vars)
9939{
9940 int rc;
9941 struct bnx2x *bp = params->bp;
9942 u16 cmd_args = 0;
9943
9944 DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
9945
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009946 /* Prevent Phy from working in EEE and advertising it */
9947 rc = bnx2x_84833_cmd_hdlr(phy, params,
9948 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
Yuval Mintzd2310232012-06-20 19:05:19 +00009949 if (rc) {
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009950 DP(NETIF_MSG_LINK, "EEE disable failed.\n");
9951 return rc;
9952 }
9953
Yuval Mintzec4010e2012-09-10 05:51:06 +00009954 return bnx2x_eee_disable(phy, params, vars);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009955}
9956
9957static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
9958 struct link_params *params,
9959 struct link_vars *vars)
9960{
9961 int rc;
9962 struct bnx2x *bp = params->bp;
9963 u16 cmd_args = 1;
9964
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009965 rc = bnx2x_84833_cmd_hdlr(phy, params,
9966 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
Yuval Mintzd2310232012-06-20 19:05:19 +00009967 if (rc) {
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009968 DP(NETIF_MSG_LINK, "EEE enable failed.\n");
9969 return rc;
9970 }
9971
Yuval Mintzec4010e2012-09-10 05:51:06 +00009972 return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009973}
9974
Yaniv Rosnera89a1d42011-07-05 01:07:05 +00009975#define PHY84833_CONSTANT_LATENCY 1193
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009976static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
9977 struct link_params *params,
9978 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009979{
9980 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00009981 u8 port, initialize = 1;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009982 u16 val;
Yaniv Rosner503976e2012-11-27 03:46:34 +00009983 u32 actual_phy_selection;
Yaniv Rosner521683d2011-11-28 00:49:48 +00009984 u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009985 int rc = 0;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009986
Yaniv Rosner503976e2012-11-27 03:46:34 +00009987 usleep_range(1000, 2000);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009988
Yuval Mintz54813882012-06-16 20:27:15 +00009989 if (!(CHIP_IS_E1x(bp)))
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00009990 port = BP_PATH(bp);
9991 else
9992 port = params->port;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009993
9994 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
9995 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
9996 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
9997 port);
9998 } else {
Yaniv Rosner985848f2011-07-05 01:06:48 +00009999 /* MDIO reset */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010000 bnx2x_cl45_write(bp, phy,
10001 MDIO_PMA_DEVAD,
10002 MDIO_PMA_REG_CTRL, 0x8000);
Yaniv Rosner521683d2011-11-28 00:49:48 +000010003 }
10004
10005 bnx2x_wait_reset_complete(bp, phy, params);
10006
10007 /* Wait for GPHY to come out of reset */
10008 msleep(50);
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000010009 if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
10010 (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010011 /* BCM84823 requires that XGXS links up first @ 10G for normal
Yaniv Rosner521683d2011-11-28 00:49:48 +000010012 * behavior.
10013 */
10014 u16 temp;
10015 temp = vars->line_speed;
10016 vars->line_speed = SPEED_10000;
10017 bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
10018 bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
10019 vars->line_speed = temp;
10020 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010021
10022 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010023 MDIO_CTL_REG_84823_MEDIA, &val);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010024 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10025 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
10026 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
10027 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
10028 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010029
10030 if (CHIP_IS_E3(bp)) {
10031 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10032 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
10033 } else {
10034 val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
10035 MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
10036 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010037
10038 actual_phy_selection = bnx2x_phy_selection(params);
10039
10040 switch (actual_phy_selection) {
10041 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
Lucas De Marchi25985ed2011-03-30 22:57:33 -030010042 /* Do nothing. Essentially this is like the priority copper */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010043 break;
10044 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
10045 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
10046 break;
10047 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
10048 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
10049 break;
10050 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
10051 /* Do nothing here. The first PHY won't be initialized at all */
10052 break;
10053 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
10054 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
10055 initialize = 0;
10056 break;
10057 }
10058 if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
10059 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
10060
10061 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010062 MDIO_CTL_REG_84823_MEDIA, val);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010063 DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
10064 params->multi_phy_config, val);
10065
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000010066 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10067 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010068 bnx2x_84833_pair_swap_cfg(phy, params, vars);
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010069
Yaniv Rosner096b9522012-01-17 02:33:28 +000010070 /* Keep AutogrEEEn disabled. */
10071 cmd_args[0] = 0x0;
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010072 cmd_args[1] = 0x0;
10073 cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
10074 cmd_args[3] = PHY84833_CONSTANT_LATENCY;
10075 rc = bnx2x_84833_cmd_hdlr(phy, params,
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010076 PHY84833_CMD_SET_EEE_MODE, cmd_args,
10077 PHY84833_CMDHDLR_MAX_ARGS);
Yuval Mintzd2310232012-06-20 19:05:19 +000010078 if (rc)
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010079 DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
10080 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010081 if (initialize)
10082 rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
10083 else
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010084 bnx2x_save_848xx_spirom_version(phy, bp, params->port);
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010085 /* 84833 PHY has a better feature and doesn't need to support this. */
10086 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
Yaniv Rosner503976e2012-11-27 03:46:34 +000010087 u32 cms_enable = REG_RD(bp, params->shmem_base +
Yaniv Rosner1bef68e2011-01-31 04:22:46 +000010088 offsetof(struct shmem_region,
10089 dev_info.port_hw_config[params->port].default_cfg)) &
10090 PORT_HW_CFG_ENABLE_CMS_MASK;
10091
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010092 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10093 MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
10094 if (cms_enable)
10095 val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
10096 else
10097 val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
10098 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10099 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
10100 }
Yaniv Rosner1bef68e2011-01-31 04:22:46 +000010101
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010102 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10103 MDIO_84833_TOP_CFG_FW_REV, &val);
10104
10105 /* Configure EEE support */
Yuval Mintzf6b6eb62012-09-10 05:51:07 +000010106 if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
10107 (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
10108 bnx2x_eee_has_cap(params)) {
Yuval Mintzec4010e2012-09-10 05:51:06 +000010109 rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
Yuval Mintzd2310232012-06-20 19:05:19 +000010110 if (rc) {
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010111 DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10112 bnx2x_8483x_disable_eee(phy, params, vars);
10113 return rc;
10114 }
10115
10116 if ((params->req_duplex[actual_phy_selection] == DUPLEX_FULL) &&
10117 (params->eee_mode & EEE_MODE_ADV_LPI) &&
10118 (bnx2x_eee_calc_timer(params) ||
10119 !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
10120 rc = bnx2x_8483x_enable_eee(phy, params, vars);
10121 else
10122 rc = bnx2x_8483x_disable_eee(phy, params, vars);
Yuval Mintzd2310232012-06-20 19:05:19 +000010123 if (rc) {
Masanari Iidaefc7ce02012-11-02 04:36:17 +000010124 DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010125 return rc;
10126 }
10127 } else {
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010128 vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
10129 }
10130
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000010131 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10132 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010133 /* Bring PHY out of super isolate mode as the final step. */
Yaniv Rosner503976e2012-11-27 03:46:34 +000010134 bnx2x_cl45_read_and_write(bp, phy,
10135 MDIO_CTL_DEVAD,
10136 MDIO_84833_TOP_CFG_XGPHY_STRAP1,
10137 (u16)~MDIO_84833_SUPER_ISOLATE);
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010138 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010139 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010140}
10141
10142static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010143 struct link_params *params,
10144 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010145{
10146 struct bnx2x *bp = params->bp;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010147 u16 val, val1, val2;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010148 u8 link_up = 0;
10149
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000010150
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010151 /* Check 10G-BaseT link status */
10152 /* Check PMD signal ok */
10153 bnx2x_cl45_read(bp, phy,
10154 MDIO_AN_DEVAD, 0xFFFA, &val1);
10155 bnx2x_cl45_read(bp, phy,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010156 MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010157 &val2);
10158 DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
10159
10160 /* Check link 10G */
10161 if (val2 & (1<<11)) {
10162 vars->line_speed = SPEED_10000;
Yaniv Rosner791f18c2011-01-18 04:33:42 +000010163 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010164 link_up = 1;
10165 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
10166 } else { /* Check Legacy speed link */
10167 u16 legacy_status, legacy_speed;
10168
10169 /* Enable expansion register 0x42 (Operation mode status) */
10170 bnx2x_cl45_write(bp, phy,
10171 MDIO_AN_DEVAD,
10172 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
10173
10174 /* Get legacy speed operation status */
10175 bnx2x_cl45_read(bp, phy,
10176 MDIO_AN_DEVAD,
10177 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
10178 &legacy_status);
10179
Joe Perches94f05b02011-08-14 12:16:20 +000010180 DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
10181 legacy_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010182 link_up = ((legacy_status & (1<<11)) == (1<<11));
Yuval Mintz14400902012-06-20 19:05:20 +000010183 legacy_speed = (legacy_status & (3<<9));
10184 if (legacy_speed == (0<<9))
10185 vars->line_speed = SPEED_10;
10186 else if (legacy_speed == (1<<9))
10187 vars->line_speed = SPEED_100;
10188 else if (legacy_speed == (2<<9))
10189 vars->line_speed = SPEED_1000;
10190 else { /* Should not happen: Treat as link down */
10191 vars->line_speed = 0;
10192 link_up = 0;
10193 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010194
Yuval Mintz14400902012-06-20 19:05:20 +000010195 if (link_up) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010196 if (legacy_status & (1<<8))
10197 vars->duplex = DUPLEX_FULL;
10198 else
10199 vars->duplex = DUPLEX_HALF;
10200
Joe Perches94f05b02011-08-14 12:16:20 +000010201 DP(NETIF_MSG_LINK,
10202 "Link is up in %dMbps, is_duplex_full= %d\n",
10203 vars->line_speed,
10204 (vars->duplex == DUPLEX_FULL));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010205 /* Check legacy speed AN resolution */
10206 bnx2x_cl45_read(bp, phy,
10207 MDIO_AN_DEVAD,
10208 MDIO_AN_REG_8481_LEGACY_MII_STATUS,
10209 &val);
10210 if (val & (1<<5))
10211 vars->link_status |=
10212 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10213 bnx2x_cl45_read(bp, phy,
10214 MDIO_AN_DEVAD,
10215 MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
10216 &val);
10217 if ((val & (1<<0)) == 0)
10218 vars->link_status |=
10219 LINK_STATUS_PARALLEL_DETECTION_USED;
10220 }
10221 }
10222 if (link_up) {
Yuval Mintzd2310232012-06-20 19:05:19 +000010223 DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010224 vars->line_speed);
10225 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Mintz Yuval9e7e8392012-02-15 02:10:24 +000010226
10227 /* Read LP advertised speeds */
10228 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10229 MDIO_AN_REG_CL37_FC_LP, &val);
10230 if (val & (1<<5))
10231 vars->link_status |=
10232 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10233 if (val & (1<<6))
10234 vars->link_status |=
10235 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10236 if (val & (1<<7))
10237 vars->link_status |=
10238 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10239 if (val & (1<<8))
10240 vars->link_status |=
10241 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10242 if (val & (1<<9))
10243 vars->link_status |=
10244 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10245
10246 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10247 MDIO_AN_REG_1000T_STATUS, &val);
10248
10249 if (val & (1<<10))
10250 vars->link_status |=
10251 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10252 if (val & (1<<11))
10253 vars->link_status |=
10254 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10255
10256 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10257 MDIO_AN_REG_MASTER_STATUS, &val);
10258
10259 if (val & (1<<11))
10260 vars->link_status |=
10261 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010262
10263 /* Determine if EEE was negotiated */
Yuval Mintzec4010e2012-09-10 05:51:06 +000010264 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
10265 bnx2x_eee_an_resolve(phy, params, vars);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010266 }
10267
10268 return link_up;
10269}
10270
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010271static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010272{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010273 int status = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010274 u32 spirom_ver;
10275 spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
10276 status = bnx2x_format_ver(spirom_ver, str, len);
10277 return status;
10278}
10279
10280static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
10281 struct link_params *params)
10282{
10283 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010284 MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010285 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010286 MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010287}
10288
10289static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
10290 struct link_params *params)
10291{
10292 bnx2x_cl45_write(params->bp, phy,
10293 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
10294 bnx2x_cl45_write(params->bp, phy,
10295 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
10296}
10297
10298static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
10299 struct link_params *params)
10300{
10301 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +000010302 u8 port;
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010303 u16 val16;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010304
Yaniv Rosnerf93fb012012-04-04 01:29:02 +000010305 if (!(CHIP_IS_E1x(bp)))
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +000010306 port = BP_PATH(bp);
10307 else
10308 port = params->port;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010309
10310 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10311 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10312 MISC_REGISTERS_GPIO_OUTPUT_LOW,
10313 port);
10314 } else {
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010315 bnx2x_cl45_read(bp, phy,
10316 MDIO_CTL_DEVAD,
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010317 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
10318 val16 |= MDIO_84833_SUPER_ISOLATE;
Yaniv Rosnerfd38f73e2011-08-02 22:59:53 +000010319 bnx2x_cl45_write(bp, phy,
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010320 MDIO_CTL_DEVAD,
10321 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010322 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010323}
10324
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010325static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
10326 struct link_params *params, u8 mode)
10327{
10328 struct bnx2x *bp = params->bp;
10329 u16 val;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010330 u8 port;
10331
Yaniv Rosnerf93fb012012-04-04 01:29:02 +000010332 if (!(CHIP_IS_E1x(bp)))
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010333 port = BP_PATH(bp);
10334 else
10335 port = params->port;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010336
10337 switch (mode) {
10338 case LED_MODE_OFF:
10339
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010340 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010341
10342 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10343 SHARED_HW_CFG_LED_EXTPHY1) {
10344
10345 /* Set LED masks */
10346 bnx2x_cl45_write(bp, phy,
10347 MDIO_PMA_DEVAD,
10348 MDIO_PMA_REG_8481_LED1_MASK,
10349 0x0);
10350
10351 bnx2x_cl45_write(bp, phy,
10352 MDIO_PMA_DEVAD,
10353 MDIO_PMA_REG_8481_LED2_MASK,
10354 0x0);
10355
10356 bnx2x_cl45_write(bp, phy,
10357 MDIO_PMA_DEVAD,
10358 MDIO_PMA_REG_8481_LED3_MASK,
10359 0x0);
10360
10361 bnx2x_cl45_write(bp, phy,
10362 MDIO_PMA_DEVAD,
10363 MDIO_PMA_REG_8481_LED5_MASK,
10364 0x0);
10365
10366 } else {
10367 bnx2x_cl45_write(bp, phy,
10368 MDIO_PMA_DEVAD,
10369 MDIO_PMA_REG_8481_LED1_MASK,
10370 0x0);
10371 }
10372 break;
10373 case LED_MODE_FRONT_PANEL_OFF:
10374
10375 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010376 port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010377
10378 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10379 SHARED_HW_CFG_LED_EXTPHY1) {
10380
10381 /* Set LED masks */
10382 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010383 MDIO_PMA_DEVAD,
10384 MDIO_PMA_REG_8481_LED1_MASK,
10385 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010386
10387 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010388 MDIO_PMA_DEVAD,
10389 MDIO_PMA_REG_8481_LED2_MASK,
10390 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010391
10392 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010393 MDIO_PMA_DEVAD,
10394 MDIO_PMA_REG_8481_LED3_MASK,
10395 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010396
10397 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010398 MDIO_PMA_DEVAD,
10399 MDIO_PMA_REG_8481_LED5_MASK,
10400 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010401
10402 } else {
10403 bnx2x_cl45_write(bp, phy,
10404 MDIO_PMA_DEVAD,
10405 MDIO_PMA_REG_8481_LED1_MASK,
10406 0x0);
10407 }
10408 break;
10409 case LED_MODE_ON:
10410
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010411 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010412
10413 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10414 SHARED_HW_CFG_LED_EXTPHY1) {
10415 /* Set control reg */
10416 bnx2x_cl45_read(bp, phy,
10417 MDIO_PMA_DEVAD,
10418 MDIO_PMA_REG_8481_LINK_SIGNAL,
10419 &val);
10420 val &= 0x8000;
10421 val |= 0x2492;
10422
10423 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010424 MDIO_PMA_DEVAD,
10425 MDIO_PMA_REG_8481_LINK_SIGNAL,
10426 val);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010427
10428 /* Set LED masks */
10429 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010430 MDIO_PMA_DEVAD,
10431 MDIO_PMA_REG_8481_LED1_MASK,
10432 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010433
10434 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010435 MDIO_PMA_DEVAD,
10436 MDIO_PMA_REG_8481_LED2_MASK,
10437 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010438
10439 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010440 MDIO_PMA_DEVAD,
10441 MDIO_PMA_REG_8481_LED3_MASK,
10442 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010443
10444 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010445 MDIO_PMA_DEVAD,
10446 MDIO_PMA_REG_8481_LED5_MASK,
10447 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010448 } else {
10449 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010450 MDIO_PMA_DEVAD,
10451 MDIO_PMA_REG_8481_LED1_MASK,
10452 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010453 }
10454 break;
10455
10456 case LED_MODE_OPER:
10457
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010458 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010459
10460 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10461 SHARED_HW_CFG_LED_EXTPHY1) {
10462
10463 /* Set control reg */
10464 bnx2x_cl45_read(bp, phy,
10465 MDIO_PMA_DEVAD,
10466 MDIO_PMA_REG_8481_LINK_SIGNAL,
10467 &val);
10468
10469 if (!((val &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010470 MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
10471 >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000010472 DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010473 bnx2x_cl45_write(bp, phy,
10474 MDIO_PMA_DEVAD,
10475 MDIO_PMA_REG_8481_LINK_SIGNAL,
10476 0xa492);
10477 }
10478
10479 /* Set LED masks */
10480 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010481 MDIO_PMA_DEVAD,
10482 MDIO_PMA_REG_8481_LED1_MASK,
10483 0x10);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010484
10485 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010486 MDIO_PMA_DEVAD,
10487 MDIO_PMA_REG_8481_LED2_MASK,
10488 0x80);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010489
10490 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010491 MDIO_PMA_DEVAD,
10492 MDIO_PMA_REG_8481_LED3_MASK,
10493 0x98);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010494
10495 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010496 MDIO_PMA_DEVAD,
10497 MDIO_PMA_REG_8481_LED5_MASK,
10498 0x40);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010499
10500 } else {
10501 bnx2x_cl45_write(bp, phy,
10502 MDIO_PMA_DEVAD,
10503 MDIO_PMA_REG_8481_LED1_MASK,
10504 0x80);
Yaniv Rosner53eda062011-01-30 04:14:55 +000010505
10506 /* Tell LED3 to blink on source */
10507 bnx2x_cl45_read(bp, phy,
10508 MDIO_PMA_DEVAD,
10509 MDIO_PMA_REG_8481_LINK_SIGNAL,
10510 &val);
10511 val &= ~(7<<6);
10512 val |= (1<<6); /* A83B[8:6]= 1 */
10513 bnx2x_cl45_write(bp, phy,
10514 MDIO_PMA_DEVAD,
10515 MDIO_PMA_REG_8481_LINK_SIGNAL,
10516 val);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010517 }
10518 break;
10519 }
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010520
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010521 /* This is a workaround for E3+84833 until autoneg
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010522 * restart is fixed in f/w
10523 */
10524 if (CHIP_IS_E3(bp)) {
10525 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
10526 MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
10527 }
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010528}
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010529
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010530/******************************************************************/
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010531/* 54618SE PHY SECTION */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010532/******************************************************************/
Yaniv Rosner5c107fd2012-09-13 02:56:19 +000010533static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
10534 struct link_params *params,
10535 u32 action)
10536{
10537 struct bnx2x *bp = params->bp;
10538 u16 temp;
10539 switch (action) {
10540 case PHY_INIT:
10541 /* Configure LED4: set to INTR (0x6). */
10542 /* Accessing shadow register 0xe. */
10543 bnx2x_cl22_write(bp, phy,
10544 MDIO_REG_GPHY_SHADOW,
10545 MDIO_REG_GPHY_SHADOW_LED_SEL2);
10546 bnx2x_cl22_read(bp, phy,
10547 MDIO_REG_GPHY_SHADOW,
10548 &temp);
10549 temp &= ~(0xf << 4);
10550 temp |= (0x6 << 4);
10551 bnx2x_cl22_write(bp, phy,
10552 MDIO_REG_GPHY_SHADOW,
10553 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10554 /* Configure INTR based on link status change. */
10555 bnx2x_cl22_write(bp, phy,
10556 MDIO_REG_INTR_MASK,
10557 ~MDIO_REG_INTR_MASK_LINK_STATUS);
10558 break;
10559 }
10560}
10561
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010562static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
Yaniv Rosner6583e332011-06-14 01:34:17 +000010563 struct link_params *params,
10564 struct link_vars *vars)
10565{
10566 struct bnx2x *bp = params->bp;
10567 u8 port;
10568 u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
10569 u32 cfg_pin;
10570
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010571 DP(NETIF_MSG_LINK, "54618SE cfg init\n");
Yuval Mintzd2310232012-06-20 19:05:19 +000010572 usleep_range(1000, 2000);
Yaniv Rosner6583e332011-06-14 01:34:17 +000010573
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010574 /* This works with E3 only, no need to check the chip
Yaniv Rosner2f751a82011-11-28 00:49:52 +000010575 * before determining the port.
10576 */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010577 port = params->port;
10578
10579 cfg_pin = (REG_RD(bp, params->shmem_base +
10580 offsetof(struct shmem_region,
10581 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10582 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10583 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10584
10585 /* Drive pin high to bring the GPHY out of reset. */
10586 bnx2x_set_cfg_pin(bp, cfg_pin, 1);
10587
10588 /* wait for GPHY to reset */
10589 msleep(50);
10590
10591 /* reset phy */
10592 bnx2x_cl22_write(bp, phy,
10593 MDIO_PMA_REG_CTRL, 0x8000);
10594 bnx2x_wait_reset_complete(bp, phy, params);
10595
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010596 /* Wait for GPHY to reset */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010597 msleep(50);
10598
Yaniv Rosner6583e332011-06-14 01:34:17 +000010599
Yaniv Rosner5c107fd2012-09-13 02:56:19 +000010600 bnx2x_54618se_specific_func(phy, params, PHY_INIT);
Yaniv Rosner6583e332011-06-14 01:34:17 +000010601 /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
10602 bnx2x_cl22_write(bp, phy,
10603 MDIO_REG_GPHY_SHADOW,
10604 MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
10605 bnx2x_cl22_read(bp, phy,
10606 MDIO_REG_GPHY_SHADOW,
10607 &temp);
10608 temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
10609 bnx2x_cl22_write(bp, phy,
10610 MDIO_REG_GPHY_SHADOW,
10611 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10612
10613 /* Set up fc */
10614 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
10615 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
10616 fc_val = 0;
10617 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
10618 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
10619 fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
10620
10621 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
10622 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
10623 fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
10624
Yuval Mintzd2310232012-06-20 19:05:19 +000010625 /* Read all advertisement */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010626 bnx2x_cl22_read(bp, phy,
10627 0x09,
10628 &an_1000_val);
10629
10630 bnx2x_cl22_read(bp, phy,
10631 0x04,
10632 &an_10_100_val);
10633
10634 bnx2x_cl22_read(bp, phy,
10635 MDIO_PMA_REG_CTRL,
10636 &autoneg_val);
10637
10638 /* Disable forced speed */
10639 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
10640 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
10641 (1<<11));
10642
10643 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10644 (phy->speed_cap_mask &
10645 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
10646 (phy->req_line_speed == SPEED_1000)) {
10647 an_1000_val |= (1<<8);
10648 autoneg_val |= (1<<9 | 1<<12);
10649 if (phy->req_duplex == DUPLEX_FULL)
10650 an_1000_val |= (1<<9);
10651 DP(NETIF_MSG_LINK, "Advertising 1G\n");
10652 } else
10653 an_1000_val &= ~((1<<8) | (1<<9));
10654
10655 bnx2x_cl22_write(bp, phy,
10656 0x09,
10657 an_1000_val);
10658 bnx2x_cl22_read(bp, phy,
10659 0x09,
10660 &an_1000_val);
10661
Yuval Mintzd2310232012-06-20 19:05:19 +000010662 /* Set 100 speed advertisement */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010663 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10664 (phy->speed_cap_mask &
10665 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
10666 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
10667 an_10_100_val |= (1<<7);
10668 /* Enable autoneg and restart autoneg for legacy speeds */
10669 autoneg_val |= (1<<9 | 1<<12);
10670
10671 if (phy->req_duplex == DUPLEX_FULL)
10672 an_10_100_val |= (1<<8);
10673 DP(NETIF_MSG_LINK, "Advertising 100M\n");
10674 }
10675
Yuval Mintzd2310232012-06-20 19:05:19 +000010676 /* Set 10 speed advertisement */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010677 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10678 (phy->speed_cap_mask &
10679 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
10680 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
10681 an_10_100_val |= (1<<5);
10682 autoneg_val |= (1<<9 | 1<<12);
10683 if (phy->req_duplex == DUPLEX_FULL)
10684 an_10_100_val |= (1<<6);
10685 DP(NETIF_MSG_LINK, "Advertising 10M\n");
10686 }
10687
10688 /* Only 10/100 are allowed to work in FORCE mode */
10689 if (phy->req_line_speed == SPEED_100) {
10690 autoneg_val |= (1<<13);
10691 /* Enabled AUTO-MDIX when autoneg is disabled */
10692 bnx2x_cl22_write(bp, phy,
10693 0x18,
10694 (1<<15 | 1<<9 | 7<<0));
10695 DP(NETIF_MSG_LINK, "Setting 100M force\n");
10696 }
10697 if (phy->req_line_speed == SPEED_10) {
10698 /* Enabled AUTO-MDIX when autoneg is disabled */
10699 bnx2x_cl22_write(bp, phy,
10700 0x18,
10701 (1<<15 | 1<<9 | 7<<0));
10702 DP(NETIF_MSG_LINK, "Setting 10M force\n");
10703 }
10704
Yuval Mintz26964bb2012-09-10 05:51:08 +000010705 if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
10706 int rc;
10707
10708 bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
10709 MDIO_REG_GPHY_EXP_ACCESS_TOP |
10710 MDIO_REG_GPHY_EXP_TOP_2K_BUF);
10711 bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
10712 temp &= 0xfffe;
10713 bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
10714
10715 rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
10716 if (rc) {
10717 DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10718 bnx2x_eee_disable(phy, params, vars);
10719 } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
10720 (phy->req_duplex == DUPLEX_FULL) &&
10721 (bnx2x_eee_calc_timer(params) ||
10722 !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
10723 /* Need to advertise EEE only when requested,
10724 * and either no LPI assertion was requested,
10725 * or it was requested and a valid timer was set.
10726 * Also notice full duplex is required for EEE.
10727 */
10728 bnx2x_eee_advertise(phy, params, vars,
10729 SHMEM_EEE_1G_ADV);
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010730 } else {
Yuval Mintz26964bb2012-09-10 05:51:08 +000010731 DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
10732 bnx2x_eee_disable(phy, params, vars);
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010733 }
Yuval Mintz26964bb2012-09-10 05:51:08 +000010734 } else {
10735 vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
10736 SHMEM_EEE_SUPPORTED_SHIFT;
10737
10738 if (phy->flags & FLAGS_EEE) {
10739 /* Handle legacy auto-grEEEn */
10740 if (params->feature_config_flags &
10741 FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
10742 temp = 6;
10743 DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
10744 } else {
10745 temp = 0;
10746 DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
10747 }
10748 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10749 MDIO_AN_REG_EEE_ADV, temp);
10750 }
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010751 }
10752
Yaniv Rosner6583e332011-06-14 01:34:17 +000010753 bnx2x_cl22_write(bp, phy,
10754 0x04,
10755 an_10_100_val | fc_val);
10756
10757 if (phy->req_duplex == DUPLEX_FULL)
10758 autoneg_val |= (1<<8);
10759
10760 bnx2x_cl22_write(bp, phy,
10761 MDIO_PMA_REG_CTRL, autoneg_val);
10762
10763 return 0;
10764}
10765
Yaniv Rosner1d125bd2011-11-23 03:54:08 +000010766
10767static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
10768 struct link_params *params, u8 mode)
10769{
10770 struct bnx2x *bp = params->bp;
10771 u16 temp;
10772
10773 bnx2x_cl22_write(bp, phy,
10774 MDIO_REG_GPHY_SHADOW,
10775 MDIO_REG_GPHY_SHADOW_LED_SEL1);
10776 bnx2x_cl22_read(bp, phy,
10777 MDIO_REG_GPHY_SHADOW,
10778 &temp);
10779 temp &= 0xff00;
10780
10781 DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
10782 switch (mode) {
10783 case LED_MODE_FRONT_PANEL_OFF:
10784 case LED_MODE_OFF:
10785 temp |= 0x00ee;
10786 break;
10787 case LED_MODE_OPER:
10788 temp |= 0x0001;
10789 break;
10790 case LED_MODE_ON:
10791 temp |= 0x00ff;
10792 break;
10793 default:
10794 break;
10795 }
10796 bnx2x_cl22_write(bp, phy,
10797 MDIO_REG_GPHY_SHADOW,
10798 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10799 return;
10800}
10801
10802
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010803static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
10804 struct link_params *params)
Yaniv Rosner6583e332011-06-14 01:34:17 +000010805{
10806 struct bnx2x *bp = params->bp;
10807 u32 cfg_pin;
10808 u8 port;
10809
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010810 /* In case of no EPIO routed to reset the GPHY, put it
Yaniv Rosnerd2059a02011-08-02 23:00:00 +000010811 * in low power mode.
10812 */
10813 bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010814 /* This works with E3 only, no need to check the chip
Yaniv Rosnerd2059a02011-08-02 23:00:00 +000010815 * before determining the port.
10816 */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010817 port = params->port;
10818 cfg_pin = (REG_RD(bp, params->shmem_base +
10819 offsetof(struct shmem_region,
10820 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10821 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10822 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10823
10824 /* Drive pin low to put GPHY in reset. */
10825 bnx2x_set_cfg_pin(bp, cfg_pin, 0);
10826}
10827
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010828static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
10829 struct link_params *params,
10830 struct link_vars *vars)
Yaniv Rosner6583e332011-06-14 01:34:17 +000010831{
10832 struct bnx2x *bp = params->bp;
10833 u16 val;
10834 u8 link_up = 0;
10835 u16 legacy_status, legacy_speed;
10836
10837 /* Get speed operation status */
10838 bnx2x_cl22_read(bp, phy,
Yuval Mintza351d492012-06-20 19:05:21 +000010839 MDIO_REG_GPHY_AUX_STATUS,
Yaniv Rosner6583e332011-06-14 01:34:17 +000010840 &legacy_status);
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010841 DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
Yaniv Rosner6583e332011-06-14 01:34:17 +000010842
10843 /* Read status to clear the PHY interrupt. */
10844 bnx2x_cl22_read(bp, phy,
10845 MDIO_REG_INTR_STATUS,
10846 &val);
10847
10848 link_up = ((legacy_status & (1<<2)) == (1<<2));
10849
10850 if (link_up) {
10851 legacy_speed = (legacy_status & (7<<8));
10852 if (legacy_speed == (7<<8)) {
10853 vars->line_speed = SPEED_1000;
10854 vars->duplex = DUPLEX_FULL;
10855 } else if (legacy_speed == (6<<8)) {
10856 vars->line_speed = SPEED_1000;
10857 vars->duplex = DUPLEX_HALF;
10858 } else if (legacy_speed == (5<<8)) {
10859 vars->line_speed = SPEED_100;
10860 vars->duplex = DUPLEX_FULL;
10861 }
10862 /* Omitting 100Base-T4 for now */
10863 else if (legacy_speed == (3<<8)) {
10864 vars->line_speed = SPEED_100;
10865 vars->duplex = DUPLEX_HALF;
10866 } else if (legacy_speed == (2<<8)) {
10867 vars->line_speed = SPEED_10;
10868 vars->duplex = DUPLEX_FULL;
10869 } else if (legacy_speed == (1<<8)) {
10870 vars->line_speed = SPEED_10;
10871 vars->duplex = DUPLEX_HALF;
10872 } else /* Should not happen */
10873 vars->line_speed = 0;
10874
Joe Perches94f05b02011-08-14 12:16:20 +000010875 DP(NETIF_MSG_LINK,
10876 "Link is up in %dMbps, is_duplex_full= %d\n",
10877 vars->line_speed,
10878 (vars->duplex == DUPLEX_FULL));
Yaniv Rosner6583e332011-06-14 01:34:17 +000010879
10880 /* Check legacy speed AN resolution */
10881 bnx2x_cl22_read(bp, phy,
10882 0x01,
10883 &val);
10884 if (val & (1<<5))
10885 vars->link_status |=
10886 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10887 bnx2x_cl22_read(bp, phy,
10888 0x06,
10889 &val);
10890 if ((val & (1<<0)) == 0)
10891 vars->link_status |=
10892 LINK_STATUS_PARALLEL_DETECTION_USED;
10893
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010894 DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
Yaniv Rosner6583e332011-06-14 01:34:17 +000010895 vars->line_speed);
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010896
Yaniv Rosner6583e332011-06-14 01:34:17 +000010897 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Mintz Yuval9e7e8392012-02-15 02:10:24 +000010898
10899 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010900 /* Report LP advertised speeds */
Mintz Yuval9e7e8392012-02-15 02:10:24 +000010901 bnx2x_cl22_read(bp, phy, 0x5, &val);
10902
10903 if (val & (1<<5))
10904 vars->link_status |=
10905 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10906 if (val & (1<<6))
10907 vars->link_status |=
10908 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10909 if (val & (1<<7))
10910 vars->link_status |=
10911 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10912 if (val & (1<<8))
10913 vars->link_status |=
10914 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10915 if (val & (1<<9))
10916 vars->link_status |=
10917 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10918
10919 bnx2x_cl22_read(bp, phy, 0xa, &val);
10920 if (val & (1<<10))
10921 vars->link_status |=
10922 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10923 if (val & (1<<11))
10924 vars->link_status |=
10925 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
Yuval Mintz26964bb2012-09-10 05:51:08 +000010926
10927 if ((phy->flags & FLAGS_EEE) &&
10928 bnx2x_eee_has_cap(params))
10929 bnx2x_eee_an_resolve(phy, params, vars);
Mintz Yuval9e7e8392012-02-15 02:10:24 +000010930 }
Yaniv Rosner6583e332011-06-14 01:34:17 +000010931 }
10932 return link_up;
10933}
10934
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010935static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
10936 struct link_params *params)
Yaniv Rosner6583e332011-06-14 01:34:17 +000010937{
10938 struct bnx2x *bp = params->bp;
10939 u16 val;
10940 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
10941
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010942 DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
Yaniv Rosner6583e332011-06-14 01:34:17 +000010943
10944 /* Enable master/slave manual mmode and set to master */
10945 /* mii write 9 [bits set 11 12] */
10946 bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
10947
10948 /* forced 1G and disable autoneg */
10949 /* set val [mii read 0] */
10950 /* set val [expr $val & [bits clear 6 12 13]] */
10951 /* set val [expr $val | [bits set 6 8]] */
10952 /* mii write 0 $val */
10953 bnx2x_cl22_read(bp, phy, 0x00, &val);
10954 val &= ~((1<<6) | (1<<12) | (1<<13));
10955 val |= (1<<6) | (1<<8);
10956 bnx2x_cl22_write(bp, phy, 0x00, val);
10957
10958 /* Set external loopback and Tx using 6dB coding */
10959 /* mii write 0x18 7 */
10960 /* set val [mii read 0x18] */
10961 /* mii write 0x18 [expr $val | [bits set 10 15]] */
10962 bnx2x_cl22_write(bp, phy, 0x18, 7);
10963 bnx2x_cl22_read(bp, phy, 0x18, &val);
10964 bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
10965
10966 /* This register opens the gate for the UMAC despite its name */
10967 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
10968
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010969 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
Yaniv Rosner6583e332011-06-14 01:34:17 +000010970 * length used by the MAC receive logic to check frames.
10971 */
10972 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
10973}
10974
10975/******************************************************************/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010976/* SFX7101 PHY SECTION */
10977/******************************************************************/
10978static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
10979 struct link_params *params)
10980{
10981 struct bnx2x *bp = params->bp;
10982 /* SFX7101_XGXS_TEST1 */
10983 bnx2x_cl45_write(bp, phy,
10984 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
10985}
10986
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010987static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
10988 struct link_params *params,
10989 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010990{
10991 u16 fw_ver1, fw_ver2, val;
10992 struct bnx2x *bp = params->bp;
10993 DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
10994
10995 /* Restore normal power mode*/
10996 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010997 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010998 /* HW reset */
10999 bnx2x_ext_phy_hw_reset(bp, params->port);
Yaniv Rosner6d870c32011-01-31 04:22:20 +000011000 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011001
11002 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +000011003 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011004 DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
11005 bnx2x_cl45_write(bp, phy,
11006 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
11007
11008 bnx2x_ext_phy_set_pause(params, phy, vars);
11009 /* Restart autoneg */
11010 bnx2x_cl45_read(bp, phy,
11011 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
11012 val |= 0x200;
11013 bnx2x_cl45_write(bp, phy,
11014 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
11015
11016 /* Save spirom version */
11017 bnx2x_cl45_read(bp, phy,
11018 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
11019
11020 bnx2x_cl45_read(bp, phy,
11021 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
11022 bnx2x_save_spirom_version(bp, params->port,
11023 (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
11024 return 0;
11025}
11026
11027static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
11028 struct link_params *params,
11029 struct link_vars *vars)
11030{
11031 struct bnx2x *bp = params->bp;
11032 u8 link_up;
11033 u16 val1, val2;
11034 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +000011035 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011036 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +000011037 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011038 DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
11039 val2, val1);
11040 bnx2x_cl45_read(bp, phy,
11041 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
11042 bnx2x_cl45_read(bp, phy,
11043 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
11044 DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
11045 val2, val1);
11046 link_up = ((val1 & 4) == 4);
Yuval Mintzd2310232012-06-20 19:05:19 +000011047 /* If link is up print the AN outcome of the SFX7101 PHY */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011048 if (link_up) {
11049 bnx2x_cl45_read(bp, phy,
11050 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
11051 &val2);
11052 vars->line_speed = SPEED_10000;
Yaniv Rosner791f18c2011-01-18 04:33:42 +000011053 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011054 DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
11055 val2, (val2 & (1<<14)));
11056 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
11057 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Mintz Yuval9e7e8392012-02-15 02:10:24 +000011058
Yuval Mintzd2310232012-06-20 19:05:19 +000011059 /* Read LP advertised speeds */
Mintz Yuval9e7e8392012-02-15 02:10:24 +000011060 if (val2 & (1<<11))
11061 vars->link_status |=
11062 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011063 }
11064 return link_up;
11065}
11066
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011067static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011068{
11069 if (*len < 5)
11070 return -EINVAL;
11071 str[0] = (spirom_ver & 0xFF);
11072 str[1] = (spirom_ver & 0xFF00) >> 8;
11073 str[2] = (spirom_ver & 0xFF0000) >> 16;
11074 str[3] = (spirom_ver & 0xFF000000) >> 24;
11075 str[4] = '\0';
11076 *len -= 5;
11077 return 0;
11078}
11079
11080void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
11081{
11082 u16 val, cnt;
11083
11084 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011085 MDIO_PMA_DEVAD,
11086 MDIO_PMA_REG_7101_RESET, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011087
11088 for (cnt = 0; cnt < 10; cnt++) {
11089 msleep(50);
11090 /* Writes a self-clearing reset */
11091 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011092 MDIO_PMA_DEVAD,
11093 MDIO_PMA_REG_7101_RESET,
11094 (val | (1<<15)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011095 /* Wait for clear */
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 if ((val & (1<<15)) == 0)
11101 break;
11102 }
11103}
11104
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011105static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
11106 struct link_params *params) {
11107 /* Low power mode is controlled by GPIO 2 */
11108 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011109 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011110 /* The PHY reset is controlled by GPIO 1 */
11111 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011112 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011113}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011114
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011115static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
11116 struct link_params *params, u8 mode)
11117{
11118 u16 val = 0;
11119 struct bnx2x *bp = params->bp;
11120 switch (mode) {
11121 case LED_MODE_FRONT_PANEL_OFF:
11122 case LED_MODE_OFF:
11123 val = 2;
11124 break;
11125 case LED_MODE_ON:
11126 val = 1;
11127 break;
11128 case LED_MODE_OPER:
11129 val = 0;
11130 break;
11131 }
11132 bnx2x_cl45_write(bp, phy,
11133 MDIO_PMA_DEVAD,
11134 MDIO_PMA_REG_7107_LINK_LED_CNTL,
11135 val);
11136}
11137
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011138/******************************************************************/
11139/* STATIC PHY DECLARATION */
11140/******************************************************************/
11141
Yaniv Rosner503976e2012-11-27 03:46:34 +000011142static const struct bnx2x_phy phy_null = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011143 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
11144 .addr = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011145 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011146 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011147 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11148 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11149 .mdio_ctrl = 0,
11150 .supported = 0,
11151 .media_type = ETH_PHY_NOT_PRESENT,
11152 .ver_addr = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011153 .req_flow_ctrl = 0,
11154 .req_line_speed = 0,
11155 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011156 .req_duplex = 0,
11157 .rsrv = 0,
11158 .config_init = (config_init_t)NULL,
11159 .read_status = (read_status_t)NULL,
11160 .link_reset = (link_reset_t)NULL,
11161 .config_loopback = (config_loopback_t)NULL,
11162 .format_fw_ver = (format_fw_ver_t)NULL,
11163 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011164 .set_link_led = (set_link_led_t)NULL,
11165 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011166};
11167
Yaniv Rosner503976e2012-11-27 03:46:34 +000011168static const struct bnx2x_phy phy_serdes = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011169 .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
11170 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011171 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011172 .flags = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011173 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11174 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11175 .mdio_ctrl = 0,
11176 .supported = (SUPPORTED_10baseT_Half |
11177 SUPPORTED_10baseT_Full |
11178 SUPPORTED_100baseT_Half |
11179 SUPPORTED_100baseT_Full |
11180 SUPPORTED_1000baseT_Full |
11181 SUPPORTED_2500baseX_Full |
11182 SUPPORTED_TP |
11183 SUPPORTED_Autoneg |
11184 SUPPORTED_Pause |
11185 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011186 .media_type = ETH_PHY_BASE_T,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011187 .ver_addr = 0,
11188 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011189 .req_line_speed = 0,
11190 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011191 .req_duplex = 0,
11192 .rsrv = 0,
Yaniv Rosnerec146a62011-05-31 21:29:27 +000011193 .config_init = (config_init_t)bnx2x_xgxs_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011194 .read_status = (read_status_t)bnx2x_link_settings_status,
11195 .link_reset = (link_reset_t)bnx2x_int_link_reset,
11196 .config_loopback = (config_loopback_t)NULL,
11197 .format_fw_ver = (format_fw_ver_t)NULL,
11198 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011199 .set_link_led = (set_link_led_t)NULL,
11200 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011201};
11202
Yaniv Rosner503976e2012-11-27 03:46:34 +000011203static const struct bnx2x_phy phy_xgxs = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011204 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11205 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011206 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011207 .flags = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011208 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11209 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11210 .mdio_ctrl = 0,
11211 .supported = (SUPPORTED_10baseT_Half |
11212 SUPPORTED_10baseT_Full |
11213 SUPPORTED_100baseT_Half |
11214 SUPPORTED_100baseT_Full |
11215 SUPPORTED_1000baseT_Full |
11216 SUPPORTED_2500baseX_Full |
11217 SUPPORTED_10000baseT_Full |
11218 SUPPORTED_FIBRE |
11219 SUPPORTED_Autoneg |
11220 SUPPORTED_Pause |
11221 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011222 .media_type = ETH_PHY_CX4,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011223 .ver_addr = 0,
11224 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011225 .req_line_speed = 0,
11226 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011227 .req_duplex = 0,
11228 .rsrv = 0,
Yaniv Rosnerec146a62011-05-31 21:29:27 +000011229 .config_init = (config_init_t)bnx2x_xgxs_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011230 .read_status = (read_status_t)bnx2x_link_settings_status,
11231 .link_reset = (link_reset_t)bnx2x_int_link_reset,
11232 .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
11233 .format_fw_ver = (format_fw_ver_t)NULL,
11234 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011235 .set_link_led = (set_link_led_t)NULL,
Yaniv Rosnera75bb002012-10-31 05:46:53 +000011236 .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011237};
Yaniv Rosner503976e2012-11-27 03:46:34 +000011238static const struct bnx2x_phy phy_warpcore = {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011239 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11240 .addr = 0xff,
11241 .def_md_devad = 0,
Yaniv Rosner8203c4b2012-11-27 03:46:33 +000011242 .flags = FLAGS_TX_ERROR_CHECK,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011243 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11244 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11245 .mdio_ctrl = 0,
11246 .supported = (SUPPORTED_10baseT_Half |
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011247 SUPPORTED_10baseT_Full |
11248 SUPPORTED_100baseT_Half |
11249 SUPPORTED_100baseT_Full |
11250 SUPPORTED_1000baseT_Full |
11251 SUPPORTED_10000baseT_Full |
11252 SUPPORTED_20000baseKR2_Full |
11253 SUPPORTED_20000baseMLD2_Full |
11254 SUPPORTED_FIBRE |
11255 SUPPORTED_Autoneg |
11256 SUPPORTED_Pause |
11257 SUPPORTED_Asym_Pause),
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011258 .media_type = ETH_PHY_UNSPECIFIED,
11259 .ver_addr = 0,
11260 .req_flow_ctrl = 0,
11261 .req_line_speed = 0,
11262 .speed_cap_mask = 0,
11263 /* req_duplex = */0,
11264 /* rsrv = */0,
11265 .config_init = (config_init_t)bnx2x_warpcore_config_init,
11266 .read_status = (read_status_t)bnx2x_warpcore_read_status,
11267 .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
11268 .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
11269 .format_fw_ver = (format_fw_ver_t)NULL,
Yaniv Rosner985848f2011-07-05 01:06:48 +000011270 .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011271 .set_link_led = (set_link_led_t)NULL,
11272 .phy_specific_func = (phy_specific_func_t)NULL
11273};
11274
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011275
Yaniv Rosner503976e2012-11-27 03:46:34 +000011276static const struct bnx2x_phy phy_7101 = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011277 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
11278 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011279 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011280 .flags = FLAGS_FAN_FAILURE_DET_REQ,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011281 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11282 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11283 .mdio_ctrl = 0,
11284 .supported = (SUPPORTED_10000baseT_Full |
11285 SUPPORTED_TP |
11286 SUPPORTED_Autoneg |
11287 SUPPORTED_Pause |
11288 SUPPORTED_Asym_Pause),
11289 .media_type = ETH_PHY_BASE_T,
11290 .ver_addr = 0,
11291 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011292 .req_line_speed = 0,
11293 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011294 .req_duplex = 0,
11295 .rsrv = 0,
11296 .config_init = (config_init_t)bnx2x_7101_config_init,
11297 .read_status = (read_status_t)bnx2x_7101_read_status,
11298 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11299 .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
11300 .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
11301 .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011302 .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011303 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011304};
Yaniv Rosner503976e2012-11-27 03:46:34 +000011305static const struct bnx2x_phy phy_8073 = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011306 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
11307 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011308 .def_md_devad = 0,
Yaniv Rosner8203c4b2012-11-27 03:46:33 +000011309 .flags = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011310 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11311 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11312 .mdio_ctrl = 0,
11313 .supported = (SUPPORTED_10000baseT_Full |
11314 SUPPORTED_2500baseX_Full |
11315 SUPPORTED_1000baseT_Full |
11316 SUPPORTED_FIBRE |
11317 SUPPORTED_Autoneg |
11318 SUPPORTED_Pause |
11319 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011320 .media_type = ETH_PHY_KR,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011321 .ver_addr = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011322 .req_flow_ctrl = 0,
11323 .req_line_speed = 0,
11324 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011325 .req_duplex = 0,
11326 .rsrv = 0,
Yaniv Rosner62b29a52010-09-07 11:40:58 +000011327 .config_init = (config_init_t)bnx2x_8073_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011328 .read_status = (read_status_t)bnx2x_8073_read_status,
11329 .link_reset = (link_reset_t)bnx2x_8073_link_reset,
11330 .config_loopback = (config_loopback_t)NULL,
11331 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11332 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011333 .set_link_led = (set_link_led_t)NULL,
Yaniv Rosner5c107fd2012-09-13 02:56:19 +000011334 .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011335};
Yaniv Rosner503976e2012-11-27 03:46:34 +000011336static const struct bnx2x_phy phy_8705 = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011337 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
11338 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011339 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011340 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011341 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11342 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11343 .mdio_ctrl = 0,
11344 .supported = (SUPPORTED_10000baseT_Full |
11345 SUPPORTED_FIBRE |
11346 SUPPORTED_Pause |
11347 SUPPORTED_Asym_Pause),
11348 .media_type = ETH_PHY_XFP_FIBER,
11349 .ver_addr = 0,
11350 .req_flow_ctrl = 0,
11351 .req_line_speed = 0,
11352 .speed_cap_mask = 0,
11353 .req_duplex = 0,
11354 .rsrv = 0,
11355 .config_init = (config_init_t)bnx2x_8705_config_init,
11356 .read_status = (read_status_t)bnx2x_8705_read_status,
11357 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11358 .config_loopback = (config_loopback_t)NULL,
11359 .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
11360 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011361 .set_link_led = (set_link_led_t)NULL,
11362 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011363};
Yaniv Rosner503976e2012-11-27 03:46:34 +000011364static const struct bnx2x_phy phy_8706 = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011365 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
11366 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011367 .def_md_devad = 0,
David S. Miller8decf862011-09-22 03:23:13 -040011368 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011369 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11370 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11371 .mdio_ctrl = 0,
11372 .supported = (SUPPORTED_10000baseT_Full |
11373 SUPPORTED_1000baseT_Full |
11374 SUPPORTED_FIBRE |
11375 SUPPORTED_Pause |
11376 SUPPORTED_Asym_Pause),
Yuval Mintzdbef8072012-06-20 19:05:22 +000011377 .media_type = ETH_PHY_SFPP_10G_FIBER,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011378 .ver_addr = 0,
11379 .req_flow_ctrl = 0,
11380 .req_line_speed = 0,
11381 .speed_cap_mask = 0,
11382 .req_duplex = 0,
11383 .rsrv = 0,
11384 .config_init = (config_init_t)bnx2x_8706_config_init,
11385 .read_status = (read_status_t)bnx2x_8706_read_status,
11386 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11387 .config_loopback = (config_loopback_t)NULL,
11388 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11389 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011390 .set_link_led = (set_link_led_t)NULL,
11391 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011392};
11393
Yaniv Rosner503976e2012-11-27 03:46:34 +000011394static const struct bnx2x_phy phy_8726 = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011395 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
11396 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011397 .def_md_devad = 0,
Yaniv Rosner8203c4b2012-11-27 03:46:33 +000011398 .flags = (FLAGS_INIT_XGXS_FIRST |
Yaniv Rosner55098c52012-04-03 18:41:27 +000011399 FLAGS_TX_ERROR_CHECK),
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011400 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11401 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11402 .mdio_ctrl = 0,
11403 .supported = (SUPPORTED_10000baseT_Full |
11404 SUPPORTED_1000baseT_Full |
11405 SUPPORTED_Autoneg |
11406 SUPPORTED_FIBRE |
11407 SUPPORTED_Pause |
11408 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011409 .media_type = ETH_PHY_NOT_PRESENT,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011410 .ver_addr = 0,
11411 .req_flow_ctrl = 0,
11412 .req_line_speed = 0,
11413 .speed_cap_mask = 0,
11414 .req_duplex = 0,
11415 .rsrv = 0,
11416 .config_init = (config_init_t)bnx2x_8726_config_init,
11417 .read_status = (read_status_t)bnx2x_8726_read_status,
11418 .link_reset = (link_reset_t)bnx2x_8726_link_reset,
11419 .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
11420 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11421 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011422 .set_link_led = (set_link_led_t)NULL,
11423 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011424};
11425
Yaniv Rosner503976e2012-11-27 03:46:34 +000011426static const struct bnx2x_phy phy_8727 = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011427 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
11428 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011429 .def_md_devad = 0,
Yaniv Rosner55098c52012-04-03 18:41:27 +000011430 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11431 FLAGS_TX_ERROR_CHECK),
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011432 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11433 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11434 .mdio_ctrl = 0,
11435 .supported = (SUPPORTED_10000baseT_Full |
11436 SUPPORTED_1000baseT_Full |
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011437 SUPPORTED_FIBRE |
11438 SUPPORTED_Pause |
11439 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011440 .media_type = ETH_PHY_NOT_PRESENT,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011441 .ver_addr = 0,
11442 .req_flow_ctrl = 0,
11443 .req_line_speed = 0,
11444 .speed_cap_mask = 0,
11445 .req_duplex = 0,
11446 .rsrv = 0,
11447 .config_init = (config_init_t)bnx2x_8727_config_init,
11448 .read_status = (read_status_t)bnx2x_8727_read_status,
11449 .link_reset = (link_reset_t)bnx2x_8727_link_reset,
11450 .config_loopback = (config_loopback_t)NULL,
11451 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11452 .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011453 .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011454 .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011455};
Yaniv Rosner503976e2012-11-27 03:46:34 +000011456static const struct bnx2x_phy phy_8481 = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011457 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
11458 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011459 .def_md_devad = 0,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011460 .flags = FLAGS_FAN_FAILURE_DET_REQ |
11461 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011462 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11463 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11464 .mdio_ctrl = 0,
11465 .supported = (SUPPORTED_10baseT_Half |
11466 SUPPORTED_10baseT_Full |
11467 SUPPORTED_100baseT_Half |
11468 SUPPORTED_100baseT_Full |
11469 SUPPORTED_1000baseT_Full |
11470 SUPPORTED_10000baseT_Full |
11471 SUPPORTED_TP |
11472 SUPPORTED_Autoneg |
11473 SUPPORTED_Pause |
11474 SUPPORTED_Asym_Pause),
11475 .media_type = ETH_PHY_BASE_T,
11476 .ver_addr = 0,
11477 .req_flow_ctrl = 0,
11478 .req_line_speed = 0,
11479 .speed_cap_mask = 0,
11480 .req_duplex = 0,
11481 .rsrv = 0,
11482 .config_init = (config_init_t)bnx2x_8481_config_init,
11483 .read_status = (read_status_t)bnx2x_848xx_read_status,
11484 .link_reset = (link_reset_t)bnx2x_8481_link_reset,
11485 .config_loopback = (config_loopback_t)NULL,
11486 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11487 .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011488 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011489 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011490};
11491
Yaniv Rosner503976e2012-11-27 03:46:34 +000011492static const struct bnx2x_phy phy_84823 = {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011493 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
11494 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011495 .def_md_devad = 0,
Yaniv Rosner55098c52012-04-03 18:41:27 +000011496 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11497 FLAGS_REARM_LATCH_SIGNAL |
11498 FLAGS_TX_ERROR_CHECK),
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011499 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11500 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11501 .mdio_ctrl = 0,
11502 .supported = (SUPPORTED_10baseT_Half |
11503 SUPPORTED_10baseT_Full |
11504 SUPPORTED_100baseT_Half |
11505 SUPPORTED_100baseT_Full |
11506 SUPPORTED_1000baseT_Full |
11507 SUPPORTED_10000baseT_Full |
11508 SUPPORTED_TP |
11509 SUPPORTED_Autoneg |
11510 SUPPORTED_Pause |
11511 SUPPORTED_Asym_Pause),
11512 .media_type = ETH_PHY_BASE_T,
11513 .ver_addr = 0,
11514 .req_flow_ctrl = 0,
11515 .req_line_speed = 0,
11516 .speed_cap_mask = 0,
11517 .req_duplex = 0,
11518 .rsrv = 0,
11519 .config_init = (config_init_t)bnx2x_848x3_config_init,
11520 .read_status = (read_status_t)bnx2x_848xx_read_status,
11521 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11522 .config_loopback = (config_loopback_t)NULL,
11523 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11524 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011525 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosner5c107fd2012-09-13 02:56:19 +000011526 .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011527};
11528
Yaniv Rosner503976e2012-11-27 03:46:34 +000011529static const struct bnx2x_phy phy_84833 = {
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011530 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
11531 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011532 .def_md_devad = 0,
Yaniv Rosner55098c52012-04-03 18:41:27 +000011533 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11534 FLAGS_REARM_LATCH_SIGNAL |
Yuval Mintzf6b6eb62012-09-10 05:51:07 +000011535 FLAGS_TX_ERROR_CHECK),
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011536 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11537 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11538 .mdio_ctrl = 0,
Yaniv Rosner0520e632011-07-05 01:06:59 +000011539 .supported = (SUPPORTED_100baseT_Half |
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011540 SUPPORTED_100baseT_Full |
11541 SUPPORTED_1000baseT_Full |
11542 SUPPORTED_10000baseT_Full |
11543 SUPPORTED_TP |
11544 SUPPORTED_Autoneg |
11545 SUPPORTED_Pause |
11546 SUPPORTED_Asym_Pause),
11547 .media_type = ETH_PHY_BASE_T,
11548 .ver_addr = 0,
11549 .req_flow_ctrl = 0,
11550 .req_line_speed = 0,
11551 .speed_cap_mask = 0,
11552 .req_duplex = 0,
11553 .rsrv = 0,
11554 .config_init = (config_init_t)bnx2x_848x3_config_init,
11555 .read_status = (read_status_t)bnx2x_848xx_read_status,
11556 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11557 .config_loopback = (config_loopback_t)NULL,
11558 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
Yaniv Rosner985848f2011-07-05 01:06:48 +000011559 .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011560 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosner5c107fd2012-09-13 02:56:19 +000011561 .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011562};
11563
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000011564static const struct bnx2x_phy phy_84834 = {
11565 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
11566 .addr = 0xff,
11567 .def_md_devad = 0,
11568 .flags = FLAGS_FAN_FAILURE_DET_REQ |
11569 FLAGS_REARM_LATCH_SIGNAL,
11570 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11571 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11572 .mdio_ctrl = 0,
11573 .supported = (SUPPORTED_100baseT_Half |
11574 SUPPORTED_100baseT_Full |
11575 SUPPORTED_1000baseT_Full |
11576 SUPPORTED_10000baseT_Full |
11577 SUPPORTED_TP |
11578 SUPPORTED_Autoneg |
11579 SUPPORTED_Pause |
11580 SUPPORTED_Asym_Pause),
11581 .media_type = ETH_PHY_BASE_T,
11582 .ver_addr = 0,
11583 .req_flow_ctrl = 0,
11584 .req_line_speed = 0,
11585 .speed_cap_mask = 0,
11586 .req_duplex = 0,
11587 .rsrv = 0,
11588 .config_init = (config_init_t)bnx2x_848x3_config_init,
11589 .read_status = (read_status_t)bnx2x_848xx_read_status,
11590 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11591 .config_loopback = (config_loopback_t)NULL,
11592 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11593 .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
11594 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
11595 .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11596};
11597
Yaniv Rosner503976e2012-11-27 03:46:34 +000011598static const struct bnx2x_phy phy_54618se = {
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000011599 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
Yaniv Rosner6583e332011-06-14 01:34:17 +000011600 .addr = 0xff,
11601 .def_md_devad = 0,
11602 .flags = FLAGS_INIT_XGXS_FIRST,
11603 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11604 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11605 .mdio_ctrl = 0,
11606 .supported = (SUPPORTED_10baseT_Half |
11607 SUPPORTED_10baseT_Full |
11608 SUPPORTED_100baseT_Half |
11609 SUPPORTED_100baseT_Full |
11610 SUPPORTED_1000baseT_Full |
11611 SUPPORTED_TP |
11612 SUPPORTED_Autoneg |
11613 SUPPORTED_Pause |
11614 SUPPORTED_Asym_Pause),
11615 .media_type = ETH_PHY_BASE_T,
11616 .ver_addr = 0,
11617 .req_flow_ctrl = 0,
11618 .req_line_speed = 0,
11619 .speed_cap_mask = 0,
11620 /* req_duplex = */0,
11621 /* rsrv = */0,
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000011622 .config_init = (config_init_t)bnx2x_54618se_config_init,
11623 .read_status = (read_status_t)bnx2x_54618se_read_status,
11624 .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
11625 .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
Yaniv Rosner6583e332011-06-14 01:34:17 +000011626 .format_fw_ver = (format_fw_ver_t)NULL,
11627 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosner1d125bd2011-11-23 03:54:08 +000011628 .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
Yaniv Rosner5c107fd2012-09-13 02:56:19 +000011629 .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
Yaniv Rosner6583e332011-06-14 01:34:17 +000011630};
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011631/*****************************************************************/
11632/* */
11633/* Populate the phy according. Main function: bnx2x_populate_phy */
11634/* */
11635/*****************************************************************/
11636
11637static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
11638 struct bnx2x_phy *phy, u8 port,
11639 u8 phy_index)
11640{
11641 /* Get the 4 lanes xgxs config rx and tx */
11642 u32 rx = 0, tx = 0, i;
11643 for (i = 0; i < 2; i++) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011644 /* INT_PHY and EXT_PHY1 share the same value location in
11645 * the shmem. When num_phys is greater than 1, than this value
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011646 * applies only to EXT_PHY1
11647 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011648 if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
11649 rx = REG_RD(bp, shmem_base +
11650 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011651 dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011652
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011653 tx = REG_RD(bp, shmem_base +
11654 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011655 dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011656 } else {
11657 rx = REG_RD(bp, shmem_base +
11658 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011659 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011660
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011661 tx = 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_config2_rx[i<<1]));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011664 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011665
11666 phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
11667 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
11668
11669 phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
11670 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
11671 }
11672}
11673
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011674static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
11675 u8 phy_index, u8 port)
11676{
11677 u32 ext_phy_config = 0;
11678 switch (phy_index) {
11679 case EXT_PHY1:
11680 ext_phy_config = REG_RD(bp, shmem_base +
11681 offsetof(struct shmem_region,
11682 dev_info.port_hw_config[port].external_phy_config));
11683 break;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011684 case EXT_PHY2:
11685 ext_phy_config = REG_RD(bp, shmem_base +
11686 offsetof(struct shmem_region,
11687 dev_info.port_hw_config[port].external_phy_config2));
11688 break;
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011689 default:
11690 DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
11691 return -EINVAL;
11692 }
11693
11694 return ext_phy_config;
11695}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011696static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
11697 struct bnx2x_phy *phy)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011698{
11699 u32 phy_addr;
11700 u32 chip_id;
11701 u32 switch_cfg = (REG_RD(bp, shmem_base +
11702 offsetof(struct shmem_region,
11703 dev_info.port_feature_config[port].link_config)) &
11704 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerec15b892011-11-28 00:49:49 +000011705 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
11706 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
11707
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011708 DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
11709 if (USES_WARPCORE(bp)) {
11710 u32 serdes_net_if;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011711 phy_addr = REG_RD(bp,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011712 MISC_REG_WC0_CTRL_PHY_ADDR);
11713 *phy = phy_warpcore;
11714 if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
11715 phy->flags |= FLAGS_4_PORT_MODE;
11716 else
11717 phy->flags &= ~FLAGS_4_PORT_MODE;
11718 /* Check Dual mode */
11719 serdes_net_if = (REG_RD(bp, shmem_base +
11720 offsetof(struct shmem_region, dev_info.
11721 port_hw_config[port].default_cfg)) &
11722 PORT_HW_CFG_NET_SERDES_IF_MASK);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011723 /* Set the appropriate supported and flags indications per
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011724 * interface type of the chip
11725 */
11726 switch (serdes_net_if) {
11727 case PORT_HW_CFG_NET_SERDES_IF_SGMII:
11728 phy->supported &= (SUPPORTED_10baseT_Half |
11729 SUPPORTED_10baseT_Full |
11730 SUPPORTED_100baseT_Half |
11731 SUPPORTED_100baseT_Full |
11732 SUPPORTED_1000baseT_Full |
11733 SUPPORTED_FIBRE |
11734 SUPPORTED_Autoneg |
11735 SUPPORTED_Pause |
11736 SUPPORTED_Asym_Pause);
11737 phy->media_type = ETH_PHY_BASE_T;
11738 break;
11739 case PORT_HW_CFG_NET_SERDES_IF_XFI:
Yaniv Rosner03c31482012-10-31 05:46:57 +000011740 phy->supported &= (SUPPORTED_1000baseT_Full |
11741 SUPPORTED_10000baseT_Full |
11742 SUPPORTED_FIBRE |
11743 SUPPORTED_Pause |
11744 SUPPORTED_Asym_Pause);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011745 phy->media_type = ETH_PHY_XFP_FIBER;
11746 break;
11747 case PORT_HW_CFG_NET_SERDES_IF_SFI:
11748 phy->supported &= (SUPPORTED_1000baseT_Full |
11749 SUPPORTED_10000baseT_Full |
11750 SUPPORTED_FIBRE |
11751 SUPPORTED_Pause |
11752 SUPPORTED_Asym_Pause);
Yuval Mintzdbef8072012-06-20 19:05:22 +000011753 phy->media_type = ETH_PHY_SFPP_10G_FIBER;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011754 break;
11755 case PORT_HW_CFG_NET_SERDES_IF_KR:
11756 phy->media_type = ETH_PHY_KR;
11757 phy->supported &= (SUPPORTED_1000baseT_Full |
11758 SUPPORTED_10000baseT_Full |
11759 SUPPORTED_FIBRE |
11760 SUPPORTED_Autoneg |
11761 SUPPORTED_Pause |
11762 SUPPORTED_Asym_Pause);
11763 break;
11764 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
11765 phy->media_type = ETH_PHY_KR;
11766 phy->flags |= FLAGS_WC_DUAL_MODE;
11767 phy->supported &= (SUPPORTED_20000baseMLD2_Full |
11768 SUPPORTED_FIBRE |
11769 SUPPORTED_Pause |
11770 SUPPORTED_Asym_Pause);
11771 break;
11772 case PORT_HW_CFG_NET_SERDES_IF_KR2:
11773 phy->media_type = ETH_PHY_KR;
11774 phy->flags |= FLAGS_WC_DUAL_MODE;
11775 phy->supported &= (SUPPORTED_20000baseKR2_Full |
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000011776 SUPPORTED_Autoneg |
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011777 SUPPORTED_FIBRE |
11778 SUPPORTED_Pause |
11779 SUPPORTED_Asym_Pause);
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000011780 phy->flags &= ~FLAGS_TX_ERROR_CHECK;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011781 break;
11782 default:
11783 DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
11784 serdes_net_if);
11785 break;
11786 }
11787
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011788 /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011789 * was not set as expected. For B0, ECO will be enabled so there
11790 * won't be an issue there
11791 */
11792 if (CHIP_REV(bp) == CHIP_REV_Ax)
11793 phy->flags |= FLAGS_MDC_MDIO_WA;
Yaniv Rosner157fa282011-08-02 22:59:32 +000011794 else
11795 phy->flags |= FLAGS_MDC_MDIO_WA_B0;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011796 } else {
11797 switch (switch_cfg) {
11798 case SWITCH_CFG_1G:
11799 phy_addr = REG_RD(bp,
11800 NIG_REG_SERDES0_CTRL_PHY_ADDR +
11801 port * 0x10);
11802 *phy = phy_serdes;
11803 break;
11804 case SWITCH_CFG_10G:
11805 phy_addr = REG_RD(bp,
11806 NIG_REG_XGXS0_CTRL_PHY_ADDR +
11807 port * 0x18);
11808 *phy = phy_xgxs;
11809 break;
11810 default:
11811 DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
11812 return -EINVAL;
11813 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011814 }
11815 phy->addr = (u8)phy_addr;
11816 phy->mdio_ctrl = bnx2x_get_emac_base(bp,
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011817 SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011818 port);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011819 if (CHIP_IS_E2(bp))
11820 phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
11821 else
11822 phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011823
11824 DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
11825 port, phy->addr, phy->mdio_ctrl);
11826
11827 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
11828 return 0;
11829}
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011830
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011831static int bnx2x_populate_ext_phy(struct bnx2x *bp,
11832 u8 phy_index,
11833 u32 shmem_base,
11834 u32 shmem2_base,
11835 u8 port,
11836 struct bnx2x_phy *phy)
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011837{
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011838 u32 ext_phy_config, phy_type, config2;
11839 u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011840 ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
11841 phy_index, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011842 phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
11843 /* Select the phy type */
11844 switch (phy_type) {
11845 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011846 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011847 *phy = phy_8073;
11848 break;
11849 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
11850 *phy = phy_8705;
11851 break;
11852 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
11853 *phy = phy_8706;
11854 break;
11855 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011856 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011857 *phy = phy_8726;
11858 break;
11859 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
11860 /* BCM8727_NOC => BCM8727 no over current */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011861 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011862 *phy = phy_8727;
11863 phy->flags |= FLAGS_NOC;
11864 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +000011865 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011866 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011867 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011868 *phy = phy_8727;
11869 break;
11870 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
11871 *phy = phy_8481;
11872 break;
11873 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
11874 *phy = phy_84823;
11875 break;
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011876 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
11877 *phy = phy_84833;
11878 break;
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000011879 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
11880 *phy = phy_84834;
11881 break;
Yaniv Rosner3756a892011-08-23 06:33:24 +000011882 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000011883 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
11884 *phy = phy_54618se;
Yuval Mintz26964bb2012-09-10 05:51:08 +000011885 if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
11886 phy->flags |= FLAGS_EEE;
Yaniv Rosner6583e332011-06-14 01:34:17 +000011887 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011888 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
11889 *phy = phy_7101;
11890 break;
11891 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
11892 *phy = phy_null;
11893 return -EINVAL;
11894 default:
11895 *phy = phy_null;
Yaniv Rosner6db51932011-11-28 00:49:50 +000011896 /* In case external PHY wasn't found */
11897 if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
11898 (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
11899 return -EINVAL;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011900 return 0;
11901 }
11902
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011903 phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011904 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
Yaniv Rosner62b29a52010-09-07 11:40:58 +000011905
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011906 /* The shmem address of the phy version is located on different
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000011907 * structures. In case this structure is too old, do not set
11908 * the address
11909 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011910 config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
11911 dev_info.shared_hw_config.config2));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011912 if (phy_index == EXT_PHY1) {
11913 phy->ver_addr = shmem_base + offsetof(struct shmem_region,
11914 port_mb[port].ext_phy_fw_version);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011915
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011916 /* Check specific mdc mdio settings */
11917 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
11918 mdc_mdio_access = config2 &
11919 SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011920 } else {
11921 u32 size = REG_RD(bp, shmem2_base);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011922
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011923 if (size >
11924 offsetof(struct shmem2_region, ext_phy_fw_version2)) {
11925 phy->ver_addr = shmem2_base +
11926 offsetof(struct shmem2_region,
11927 ext_phy_fw_version2[port]);
11928 }
11929 /* Check specific mdc mdio settings */
11930 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
11931 mdc_mdio_access = (config2 &
11932 SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
11933 (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
11934 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
11935 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011936 phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
11937
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000011938 if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
11939 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
Yaniv Rosner75318322012-01-17 02:33:27 +000011940 (phy->ver_addr)) {
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000011941 /* Remove 100Mb link supported for BCM84833/4 when phy fw
Yaniv Rosner75318322012-01-17 02:33:27 +000011942 * version lower than or equal to 1.39
11943 */
11944 u32 raw_ver = REG_RD(bp, phy->ver_addr);
11945 if (((raw_ver & 0x7F) <= 39) &&
11946 (((raw_ver & 0xF80) >> 7) <= 1))
11947 phy->supported &= ~(SUPPORTED_100baseT_Half |
11948 SUPPORTED_100baseT_Full);
11949 }
11950
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011951 DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
11952 phy_type, port, phy_index);
11953 DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
11954 phy->addr, phy->mdio_ctrl);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011955 return 0;
11956}
11957
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011958static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
11959 u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011960{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011961 int status = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011962 phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
11963 if (phy_index == INT_PHY)
11964 return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011965 status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011966 port, phy);
11967 return status;
11968}
11969
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011970static void bnx2x_phy_def_cfg(struct link_params *params,
11971 struct bnx2x_phy *phy,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011972 u8 phy_index)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011973{
11974 struct bnx2x *bp = params->bp;
11975 u32 link_config;
11976 /* Populate the default phy configuration for MF mode */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011977 if (phy_index == EXT_PHY2) {
11978 link_config = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011979 offsetof(struct shmem_region, dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011980 port_feature_config[params->port].link_config2));
11981 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011982 offsetof(struct shmem_region,
11983 dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011984 port_hw_config[params->port].speed_capability_mask2));
11985 } else {
11986 link_config = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011987 offsetof(struct shmem_region, dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011988 port_feature_config[params->port].link_config));
11989 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011990 offsetof(struct shmem_region,
11991 dev_info.
11992 port_hw_config[params->port].speed_capability_mask));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011993 }
Joe Perches94f05b02011-08-14 12:16:20 +000011994 DP(NETIF_MSG_LINK,
11995 "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
11996 phy_index, link_config, phy->speed_cap_mask);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011997
11998 phy->req_duplex = DUPLEX_FULL;
11999 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
12000 case PORT_FEATURE_LINK_SPEED_10M_HALF:
12001 phy->req_duplex = DUPLEX_HALF;
12002 case PORT_FEATURE_LINK_SPEED_10M_FULL:
12003 phy->req_line_speed = SPEED_10;
12004 break;
12005 case PORT_FEATURE_LINK_SPEED_100M_HALF:
12006 phy->req_duplex = DUPLEX_HALF;
12007 case PORT_FEATURE_LINK_SPEED_100M_FULL:
12008 phy->req_line_speed = SPEED_100;
12009 break;
12010 case PORT_FEATURE_LINK_SPEED_1G:
12011 phy->req_line_speed = SPEED_1000;
12012 break;
12013 case PORT_FEATURE_LINK_SPEED_2_5G:
12014 phy->req_line_speed = SPEED_2500;
12015 break;
12016 case PORT_FEATURE_LINK_SPEED_10G_CX4:
12017 phy->req_line_speed = SPEED_10000;
12018 break;
12019 default:
12020 phy->req_line_speed = SPEED_AUTO_NEG;
12021 break;
12022 }
12023
12024 switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
12025 case PORT_FEATURE_FLOW_CONTROL_AUTO:
12026 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
12027 break;
12028 case PORT_FEATURE_FLOW_CONTROL_TX:
12029 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
12030 break;
12031 case PORT_FEATURE_FLOW_CONTROL_RX:
12032 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
12033 break;
12034 case PORT_FEATURE_FLOW_CONTROL_BOTH:
12035 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
12036 break;
12037 default:
12038 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12039 break;
12040 }
12041}
12042
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012043u32 bnx2x_phy_selection(struct link_params *params)
12044{
12045 u32 phy_config_swapped, prio_cfg;
12046 u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
12047
12048 phy_config_swapped = params->multi_phy_config &
12049 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12050
12051 prio_cfg = params->multi_phy_config &
12052 PORT_HW_CFG_PHY_SELECTION_MASK;
12053
12054 if (phy_config_swapped) {
12055 switch (prio_cfg) {
12056 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
12057 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
12058 break;
12059 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
12060 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
12061 break;
12062 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
12063 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
12064 break;
12065 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
12066 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
12067 break;
12068 }
12069 } else
12070 return_cfg = prio_cfg;
12071
12072 return return_cfg;
12073}
12074
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012075int bnx2x_phy_probe(struct link_params *params)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012076{
Yaniv Rosner2f751a82011-11-28 00:49:52 +000012077 u8 phy_index, actual_phy_idx;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000012078 u32 phy_config_swapped, sync_offset, media_types;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012079 struct bnx2x *bp = params->bp;
12080 struct bnx2x_phy *phy;
12081 params->num_phys = 0;
12082 DP(NETIF_MSG_LINK, "Begin phy probe\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012083 phy_config_swapped = params->multi_phy_config &
12084 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012085
12086 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12087 phy_index++) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012088 actual_phy_idx = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012089 if (phy_config_swapped) {
12090 if (phy_index == EXT_PHY1)
12091 actual_phy_idx = EXT_PHY2;
12092 else if (phy_index == EXT_PHY2)
12093 actual_phy_idx = EXT_PHY1;
12094 }
12095 DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
12096 " actual_phy_idx %x\n", phy_config_swapped,
12097 phy_index, actual_phy_idx);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012098 phy = &params->phy[actual_phy_idx];
12099 if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012100 params->shmem2_base, params->port,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012101 phy) != 0) {
12102 params->num_phys = 0;
12103 DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
12104 phy_index);
12105 for (phy_index = INT_PHY;
12106 phy_index < MAX_PHYS;
12107 phy_index++)
12108 *phy = phy_null;
12109 return -EINVAL;
12110 }
12111 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
12112 break;
12113
Yaniv Rosner55098c52012-04-03 18:41:27 +000012114 if (params->feature_config_flags &
12115 FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
12116 phy->flags &= ~FLAGS_TX_ERROR_CHECK;
12117
Yaniv Rosner55386fe82012-11-27 03:46:30 +000012118 if (!(params->feature_config_flags &
12119 FEATURE_CONFIG_MT_SUPPORT))
12120 phy->flags |= FLAGS_MDC_MDIO_WA_G;
12121
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000012122 sync_offset = params->shmem_base +
12123 offsetof(struct shmem_region,
12124 dev_info.port_hw_config[params->port].media_type);
12125 media_types = REG_RD(bp, sync_offset);
12126
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012127 /* Update media type for non-PMF sync only for the first time
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000012128 * In case the media type changes afterwards, it will be updated
12129 * using the update_status function
12130 */
12131 if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
12132 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12133 actual_phy_idx))) == 0) {
12134 media_types |= ((phy->media_type &
12135 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
12136 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12137 actual_phy_idx));
12138 }
12139 REG_WR(bp, sync_offset, media_types);
12140
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012141 bnx2x_phy_def_cfg(params, phy, phy_index);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012142 params->num_phys++;
12143 }
12144
12145 DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
12146 return 0;
12147}
12148
Merav Sicron910cc722012-11-11 03:56:08 +000012149static void bnx2x_init_bmac_loopback(struct link_params *params,
12150 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012151{
12152 struct bnx2x *bp = params->bp;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012153 vars->link_up = 1;
12154 vars->line_speed = SPEED_10000;
12155 vars->duplex = DUPLEX_FULL;
12156 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12157 vars->mac_type = MAC_TYPE_BMAC;
12158
12159 vars->phy_flags = PHY_XGXS_FLAG;
12160
12161 bnx2x_xgxs_deassert(params);
12162
12163 /* set bmac loopback */
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012164 bnx2x_bmac_enable(params, vars, 1, 1);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012165
12166 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12167}
12168
Merav Sicron910cc722012-11-11 03:56:08 +000012169static void bnx2x_init_emac_loopback(struct link_params *params,
12170 struct link_vars *vars)
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012171{
12172 struct bnx2x *bp = params->bp;
12173 vars->link_up = 1;
12174 vars->line_speed = SPEED_1000;
12175 vars->duplex = DUPLEX_FULL;
12176 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12177 vars->mac_type = MAC_TYPE_EMAC;
12178
12179 vars->phy_flags = PHY_XGXS_FLAG;
12180
12181 bnx2x_xgxs_deassert(params);
12182 /* set bmac loopback */
12183 bnx2x_emac_enable(params, vars, 1);
12184 bnx2x_emac_program(params, vars);
12185 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12186}
12187
Merav Sicron910cc722012-11-11 03:56:08 +000012188static void bnx2x_init_xmac_loopback(struct link_params *params,
12189 struct link_vars *vars)
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012190{
12191 struct bnx2x *bp = params->bp;
12192 vars->link_up = 1;
12193 if (!params->req_line_speed[0])
12194 vars->line_speed = SPEED_10000;
12195 else
12196 vars->line_speed = params->req_line_speed[0];
12197 vars->duplex = DUPLEX_FULL;
12198 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12199 vars->mac_type = MAC_TYPE_XMAC;
12200 vars->phy_flags = PHY_XGXS_FLAG;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012201 /* Set WC to loopback mode since link is required to provide clock
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012202 * to the XMAC in 20G mode
12203 */
Yaniv Rosnerafad0092011-08-02 23:00:06 +000012204 bnx2x_set_aer_mmd(params, &params->phy[0]);
12205 bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
12206 params->phy[INT_PHY].config_loopback(
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012207 &params->phy[INT_PHY],
12208 params);
Yaniv Rosnerafad0092011-08-02 23:00:06 +000012209
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012210 bnx2x_xmac_enable(params, vars, 1);
12211 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12212}
12213
Merav Sicron910cc722012-11-11 03:56:08 +000012214static void bnx2x_init_umac_loopback(struct link_params *params,
12215 struct link_vars *vars)
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012216{
12217 struct bnx2x *bp = params->bp;
12218 vars->link_up = 1;
12219 vars->line_speed = SPEED_1000;
12220 vars->duplex = DUPLEX_FULL;
12221 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12222 vars->mac_type = MAC_TYPE_UMAC;
12223 vars->phy_flags = PHY_XGXS_FLAG;
12224 bnx2x_umac_enable(params, vars, 1);
12225
12226 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12227}
12228
Merav Sicron910cc722012-11-11 03:56:08 +000012229static void bnx2x_init_xgxs_loopback(struct link_params *params,
12230 struct link_vars *vars)
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012231{
12232 struct bnx2x *bp = params->bp;
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000012233 struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
Yaniv Rosner503976e2012-11-27 03:46:34 +000012234 vars->link_up = 1;
12235 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12236 vars->duplex = DUPLEX_FULL;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012237 if (params->req_line_speed[0] == SPEED_1000)
Yaniv Rosner503976e2012-11-27 03:46:34 +000012238 vars->line_speed = SPEED_1000;
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000012239 else if ((params->req_line_speed[0] == SPEED_20000) ||
12240 (int_phy->flags & FLAGS_WC_DUAL_MODE))
12241 vars->line_speed = SPEED_20000;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012242 else
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000012243 vars->line_speed = SPEED_10000;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012244
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012245 if (!USES_WARPCORE(bp))
12246 bnx2x_xgxs_deassert(params);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012247 bnx2x_link_initialize(params, vars);
12248
12249 if (params->req_line_speed[0] == SPEED_1000) {
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012250 if (USES_WARPCORE(bp))
12251 bnx2x_umac_enable(params, vars, 0);
12252 else {
12253 bnx2x_emac_program(params, vars);
12254 bnx2x_emac_enable(params, vars, 0);
12255 }
12256 } else {
12257 if (USES_WARPCORE(bp))
12258 bnx2x_xmac_enable(params, vars, 0);
12259 else
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012260 bnx2x_bmac_enable(params, vars, 0, 1);
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012261 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012262
Yaniv Rosner503976e2012-11-27 03:46:34 +000012263 if (params->loopback_mode == LOOPBACK_XGXS) {
12264 /* Set 10G XGXS loopback */
12265 int_phy->config_loopback(int_phy, params);
12266 } else {
12267 /* Set external phy loopback */
12268 u8 phy_index;
12269 for (phy_index = EXT_PHY1;
12270 phy_index < params->num_phys; phy_index++)
12271 if (params->phy[phy_index].config_loopback)
12272 params->phy[phy_index].config_loopback(
12273 &params->phy[phy_index],
12274 params);
12275 }
12276 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012277
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012278 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012279}
12280
Merav Sicron55c11942012-11-07 00:45:48 +000012281void bnx2x_set_rx_filter(struct link_params *params, u8 en)
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012282{
12283 struct bnx2x *bp = params->bp;
12284 u8 val = en * 0x1F;
12285
Yaniv Rosner503976e2012-11-27 03:46:34 +000012286 /* Open / close the gate between the NIG and the BRB */
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012287 if (!CHIP_IS_E1x(bp))
12288 val |= en * 0x20;
12289 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
12290
12291 if (!CHIP_IS_E1(bp)) {
12292 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
12293 en*0x3);
12294 }
12295
12296 REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
12297 NIG_REG_LLH0_BRB1_NOT_MCP), en);
12298}
12299static int bnx2x_avoid_link_flap(struct link_params *params,
12300 struct link_vars *vars)
12301{
12302 u32 phy_idx;
12303 u32 dont_clear_stat, lfa_sts;
12304 struct bnx2x *bp = params->bp;
12305
12306 /* Sync the link parameters */
12307 bnx2x_link_status_update(params, vars);
12308
12309 /*
12310 * The module verification was already done by previous link owner,
12311 * so this call is meant only to get warning message
12312 */
12313
12314 for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
12315 struct bnx2x_phy *phy = &params->phy[phy_idx];
12316 if (phy->phy_specific_func) {
12317 DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
12318 phy->phy_specific_func(phy, params, PHY_INIT);
12319 }
12320 if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
12321 (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
12322 (phy->media_type == ETH_PHY_DA_TWINAX))
12323 bnx2x_verify_sfp_module(phy, params);
12324 }
12325 lfa_sts = REG_RD(bp, params->lfa_base +
12326 offsetof(struct shmem_lfa,
12327 lfa_sts));
12328
12329 dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
12330
12331 /* Re-enable the NIG/MAC */
12332 if (CHIP_IS_E3(bp)) {
12333 if (!dont_clear_stat) {
12334 REG_WR(bp, GRCBASE_MISC +
12335 MISC_REGISTERS_RESET_REG_2_CLEAR,
12336 (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12337 params->port));
12338 REG_WR(bp, GRCBASE_MISC +
12339 MISC_REGISTERS_RESET_REG_2_SET,
12340 (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12341 params->port));
12342 }
12343 if (vars->line_speed < SPEED_10000)
12344 bnx2x_umac_enable(params, vars, 0);
12345 else
12346 bnx2x_xmac_enable(params, vars, 0);
12347 } else {
12348 if (vars->line_speed < SPEED_10000)
12349 bnx2x_emac_enable(params, vars, 0);
12350 else
12351 bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
12352 }
12353
12354 /* Increment LFA count */
12355 lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
12356 (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
12357 LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
12358 << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
12359 /* Clear link flap reason */
12360 lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12361
12362 REG_WR(bp, params->lfa_base +
12363 offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12364
12365 /* Disable NIG DRAIN */
12366 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12367
12368 /* Enable interrupts */
12369 bnx2x_link_int_enable(params);
12370 return 0;
12371}
12372
12373static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
12374 struct link_vars *vars,
12375 int lfa_status)
12376{
12377 u32 lfa_sts, cfg_idx, tmp_val;
12378 struct bnx2x *bp = params->bp;
12379
12380 bnx2x_link_reset(params, vars, 1);
12381
12382 if (!params->lfa_base)
12383 return;
12384 /* Store the new link parameters */
12385 REG_WR(bp, params->lfa_base +
12386 offsetof(struct shmem_lfa, req_duplex),
12387 params->req_duplex[0] | (params->req_duplex[1] << 16));
12388
12389 REG_WR(bp, params->lfa_base +
12390 offsetof(struct shmem_lfa, req_flow_ctrl),
12391 params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
12392
12393 REG_WR(bp, params->lfa_base +
12394 offsetof(struct shmem_lfa, req_line_speed),
12395 params->req_line_speed[0] | (params->req_line_speed[1] << 16));
12396
12397 for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
12398 REG_WR(bp, params->lfa_base +
12399 offsetof(struct shmem_lfa,
12400 speed_cap_mask[cfg_idx]),
12401 params->speed_cap_mask[cfg_idx]);
12402 }
12403
12404 tmp_val = REG_RD(bp, params->lfa_base +
12405 offsetof(struct shmem_lfa, additional_config));
12406 tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
12407 tmp_val |= params->req_fc_auto_adv;
12408
12409 REG_WR(bp, params->lfa_base +
12410 offsetof(struct shmem_lfa, additional_config), tmp_val);
12411
12412 lfa_sts = REG_RD(bp, params->lfa_base +
12413 offsetof(struct shmem_lfa, lfa_sts));
12414
12415 /* Clear the "Don't Clear Statistics" bit, and set reason */
12416 lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
12417
12418 /* Set link flap reason */
12419 lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12420 lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
12421 LFA_LINK_FLAP_REASON_OFFSET);
12422
12423 /* Increment link flap counter */
12424 lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
12425 (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
12426 LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
12427 << LINK_FLAP_COUNT_OFFSET));
12428 REG_WR(bp, params->lfa_base +
12429 offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12430 /* Proceed with regular link initialization */
12431}
12432
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012433int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012434{
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012435 int lfa_status;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012436 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012437 DP(NETIF_MSG_LINK, "Phy Initialization started\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012438 DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
12439 params->req_line_speed[0], params->req_flow_ctrl[0]);
12440 DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
12441 params->req_line_speed[1], params->req_flow_ctrl[1]);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012442 vars->link_status = 0;
12443 vars->phy_link_up = 0;
12444 vars->link_up = 0;
12445 vars->line_speed = 0;
12446 vars->duplex = DUPLEX_FULL;
12447 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12448 vars->mac_type = MAC_TYPE_NONE;
12449 vars->phy_flags = 0;
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012450 /* Driver opens NIG-BRB filters */
12451 bnx2x_set_rx_filter(params, 1);
12452 /* Check if link flap can be avoided */
12453 lfa_status = bnx2x_check_lfa(params);
12454
12455 if (lfa_status == 0) {
12456 DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
12457 return bnx2x_avoid_link_flap(params, vars);
12458 }
12459
12460 DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
12461 lfa_status);
12462 bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012463
Yuval Mintzd2310232012-06-20 19:05:19 +000012464 /* Disable attentions */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012465 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
12466 (NIG_MASK_XGXS0_LINK_STATUS |
12467 NIG_MASK_XGXS0_LINK10G |
12468 NIG_MASK_SERDES0_LINK_STATUS |
12469 NIG_MASK_MI_INT));
12470
12471 bnx2x_emac_init(params, vars);
12472
Yaniv Rosner27d91292012-04-04 01:28:54 +000012473 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
12474 vars->link_status |= LINK_STATUS_PFC_ENABLED;
12475
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012476 if (params->num_phys == 0) {
12477 DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
12478 return -EINVAL;
12479 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012480 set_phy_vars(params, vars);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012481
12482 DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012483 switch (params->loopback_mode) {
12484 case LOOPBACK_BMAC:
12485 bnx2x_init_bmac_loopback(params, vars);
12486 break;
12487 case LOOPBACK_EMAC:
12488 bnx2x_init_emac_loopback(params, vars);
12489 break;
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012490 case LOOPBACK_XMAC:
12491 bnx2x_init_xmac_loopback(params, vars);
12492 break;
12493 case LOOPBACK_UMAC:
12494 bnx2x_init_umac_loopback(params, vars);
12495 break;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012496 case LOOPBACK_XGXS:
12497 case LOOPBACK_EXT_PHY:
12498 bnx2x_init_xgxs_loopback(params, vars);
12499 break;
12500 default:
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012501 if (!CHIP_IS_E3(bp)) {
12502 if (params->switch_cfg == SWITCH_CFG_10G)
12503 bnx2x_xgxs_deassert(params);
12504 else
12505 bnx2x_serdes_deassert(bp, params->port);
12506 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012507 bnx2x_link_initialize(params, vars);
12508 msleep(30);
12509 bnx2x_link_int_enable(params);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012510 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012511 }
Yaniv Rosner55098c52012-04-03 18:41:27 +000012512 bnx2x_update_mng(params, vars->link_status);
Yuval Mintzc8c60d82012-06-06 17:13:07 +000012513
12514 bnx2x_update_mng_eee(params, vars->eee_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012515 return 0;
12516}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012517
12518int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
12519 u8 reset_ext_phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012520{
12521 struct bnx2x *bp = params->bp;
Yaniv Rosnercf1d9722010-11-01 05:32:34 +000012522 u8 phy_index, port = params->port, clear_latch_ind = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012523 DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
Yuval Mintzd2310232012-06-20 19:05:19 +000012524 /* Disable attentions */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012525 vars->link_status = 0;
12526 bnx2x_update_mng(params, vars->link_status);
Yuval Mintzc8c60d82012-06-06 17:13:07 +000012527 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
12528 SHMEM_EEE_ACTIVE_BIT);
12529 bnx2x_update_mng_eee(params, vars->eee_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012530 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012531 (NIG_MASK_XGXS0_LINK_STATUS |
12532 NIG_MASK_XGXS0_LINK10G |
12533 NIG_MASK_SERDES0_LINK_STATUS |
12534 NIG_MASK_MI_INT));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012535
Yuval Mintzd2310232012-06-20 19:05:19 +000012536 /* Activate nig drain */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012537 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
12538
Yuval Mintzd2310232012-06-20 19:05:19 +000012539 /* Disable nig egress interface */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012540 if (!CHIP_IS_E3(bp)) {
12541 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
12542 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
12543 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012544
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012545 if (!CHIP_IS_E3(bp)) {
12546 bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
12547 } else {
12548 bnx2x_set_xmac_rxtx(params, 0);
12549 bnx2x_set_umac_rxtx(params, 0);
12550 }
Yuval Mintzd2310232012-06-20 19:05:19 +000012551 /* Disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012552 if (!CHIP_IS_E3(bp))
12553 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012554
Yuval Mintzd2310232012-06-20 19:05:19 +000012555 usleep_range(10000, 20000);
Lucas De Marchi25985ed2011-03-30 22:57:33 -030012556 /* The PHY reset is controlled by GPIO 1
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012557 * Hold it as vars low
12558 */
Yuval Mintzd2310232012-06-20 19:05:19 +000012559 /* Clear link led */
Yaniv Rosner55386fe82012-11-27 03:46:30 +000012560 bnx2x_set_mdio_emac_per_phy(bp, params);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000012561 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
12562
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012563 if (reset_ext_phy) {
12564 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
12565 phy_index++) {
Yaniv Rosner28f48812011-08-02 23:00:12 +000012566 if (params->phy[phy_index].link_reset) {
12567 bnx2x_set_aer_mmd(params,
12568 &params->phy[phy_index]);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012569 params->phy[phy_index].link_reset(
12570 &params->phy[phy_index],
12571 params);
Yaniv Rosner28f48812011-08-02 23:00:12 +000012572 }
Yaniv Rosnercf1d9722010-11-01 05:32:34 +000012573 if (params->phy[phy_index].flags &
12574 FLAGS_REARM_LATCH_SIGNAL)
12575 clear_latch_ind = 1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012576 }
12577 }
12578
Yaniv Rosnercf1d9722010-11-01 05:32:34 +000012579 if (clear_latch_ind) {
12580 /* Clear latching indication */
12581 bnx2x_rearm_latch_signal(bp, port, 0);
12582 bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
12583 1 << NIG_LATCH_BC_ENABLE_MI_INT);
12584 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012585 if (params->phy[INT_PHY].link_reset)
12586 params->phy[INT_PHY].link_reset(
12587 &params->phy[INT_PHY], params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012588
Yuval Mintzd2310232012-06-20 19:05:19 +000012589 /* Disable nig ingress interface */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012590 if (!CHIP_IS_E3(bp)) {
Yuval Mintzd2310232012-06-20 19:05:19 +000012591 /* Reset BigMac */
Yaniv Rosnerce7c0482011-10-27 05:09:47 +000012592 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
12593 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012594 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
12595 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
Yaniv Rosnerce7c0482011-10-27 05:09:47 +000012596 } else {
12597 u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
12598 bnx2x_set_xumac_nig(params, 0, 0);
12599 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
12600 MISC_REGISTERS_RESET_REG_2_XMAC)
12601 REG_WR(bp, xmac_base + XMAC_REG_CTRL,
12602 XMAC_CTRL_REG_SOFT_RESET);
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012603 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012604 vars->link_up = 0;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012605 vars->phy_flags = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012606 return 0;
12607}
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012608int bnx2x_lfa_reset(struct link_params *params,
12609 struct link_vars *vars)
12610{
12611 struct bnx2x *bp = params->bp;
12612 vars->link_up = 0;
12613 vars->phy_flags = 0;
12614 if (!params->lfa_base)
12615 return bnx2x_link_reset(params, vars, 1);
12616 /*
12617 * Activate NIG drain so that during this time the device won't send
12618 * anything while it is unable to response.
12619 */
12620 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
12621
12622 /*
12623 * Close gracefully the gate from BMAC to NIG such that no half packets
12624 * are passed.
12625 */
12626 if (!CHIP_IS_E3(bp))
12627 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
12628
12629 if (CHIP_IS_E3(bp)) {
12630 bnx2x_set_xmac_rxtx(params, 0);
12631 bnx2x_set_umac_rxtx(params, 0);
12632 }
12633 /* Wait 10ms for the pipe to clean up*/
12634 usleep_range(10000, 20000);
12635
12636 /* Clean the NIG-BRB using the network filters in a way that will
12637 * not cut a packet in the middle.
12638 */
12639 bnx2x_set_rx_filter(params, 0);
12640
12641 /*
12642 * Re-open the gate between the BMAC and the NIG, after verifying the
12643 * gate to the BRB is closed, otherwise packets may arrive to the
12644 * firmware before driver had initialized it. The target is to achieve
12645 * minimum management protocol down time.
12646 */
12647 if (!CHIP_IS_E3(bp))
12648 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
12649
12650 if (CHIP_IS_E3(bp)) {
12651 bnx2x_set_xmac_rxtx(params, 1);
12652 bnx2x_set_umac_rxtx(params, 1);
12653 }
12654 /* Disable NIG drain */
12655 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12656 return 0;
12657}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012658
12659/****************************************************************************/
12660/* Common function */
12661/****************************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012662static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
12663 u32 shmem_base_path[],
12664 u32 shmem2_base_path[], u8 phy_index,
12665 u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012666{
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012667 struct bnx2x_phy phy[PORT_MAX];
12668 struct bnx2x_phy *phy_blk[PORT_MAX];
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012669 u16 val;
Yaniv Rosnerc8e64df2011-01-30 04:15:00 +000012670 s8 port = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012671 s8 port_of_path = 0;
Yaniv Rosnerc8e64df2011-01-30 04:15:00 +000012672 u32 swap_val, swap_override;
12673 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12674 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
12675 port ^= (swap_val && swap_override);
12676 bnx2x_ext_phy_hw_reset(bp, port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012677 /* PART1 - Reset both phys */
12678 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012679 u32 shmem_base, shmem2_base;
12680 /* In E2, same phy is using for port0 of the two paths */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012681 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012682 shmem_base = shmem_base_path[0];
12683 shmem2_base = shmem2_base_path[0];
12684 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012685 } else {
12686 shmem_base = shmem_base_path[port];
12687 shmem2_base = shmem2_base_path[port];
12688 port_of_path = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012689 }
12690
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012691 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012692 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012693 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012694 0) {
12695 DP(NETIF_MSG_LINK, "populate_phy failed\n");
12696 return -EINVAL;
12697 }
Yuval Mintzd2310232012-06-20 19:05:19 +000012698 /* Disable attentions */
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +000012699 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12700 port_of_path*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012701 (NIG_MASK_XGXS0_LINK_STATUS |
12702 NIG_MASK_XGXS0_LINK10G |
12703 NIG_MASK_SERDES0_LINK_STATUS |
12704 NIG_MASK_MI_INT));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012705
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012706 /* Need to take the phy out of low power mode in order
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012707 * to write to access its registers
12708 */
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012709 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012710 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12711 port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012712
12713 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012714 bnx2x_cl45_write(bp, &phy[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012715 MDIO_PMA_DEVAD,
12716 MDIO_PMA_REG_CTRL,
12717 1<<15);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012718 }
12719
12720 /* Add delay of 150ms after reset */
12721 msleep(150);
12722
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012723 if (phy[PORT_0].addr & 0x1) {
12724 phy_blk[PORT_0] = &(phy[PORT_1]);
12725 phy_blk[PORT_1] = &(phy[PORT_0]);
12726 } else {
12727 phy_blk[PORT_0] = &(phy[PORT_0]);
12728 phy_blk[PORT_1] = &(phy[PORT_1]);
12729 }
12730
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012731 /* PART2 - Download firmware to both phys */
12732 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012733 if (CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012734 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012735 else
12736 port_of_path = 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012737
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012738 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12739 phy_blk[port]->addr);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +000012740 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12741 port_of_path))
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012742 return -EINVAL;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012743
12744 /* Only set bit 10 = 1 (Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012745 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012746 MDIO_PMA_DEVAD,
12747 MDIO_PMA_REG_TX_POWER_DOWN, &val);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012748
12749 /* Phase1 of TX_POWER_DOWN reset */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012750 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012751 MDIO_PMA_DEVAD,
12752 MDIO_PMA_REG_TX_POWER_DOWN,
12753 (val | 1<<10));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012754 }
12755
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012756 /* Toggle Transmitter: Power down and then up with 600ms delay
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000012757 * between
12758 */
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012759 msleep(600);
12760
12761 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
12762 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Eilon Greensteinf5372252009-02-12 08:38:30 +000012763 /* Phase2 of POWER_DOWN_RESET */
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012764 /* Release bit 10 (Release Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012765 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012766 MDIO_PMA_DEVAD,
12767 MDIO_PMA_REG_TX_POWER_DOWN, &val);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012768
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012769 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012770 MDIO_PMA_DEVAD,
12771 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
Yuval Mintzd2310232012-06-20 19:05:19 +000012772 usleep_range(15000, 30000);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012773
12774 /* Read modify write the SPI-ROM version select register */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012775 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012776 MDIO_PMA_DEVAD,
12777 MDIO_PMA_REG_EDC_FFE_MAIN, &val);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012778 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012779 MDIO_PMA_DEVAD,
12780 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012781
12782 /* set GPIO2 back to LOW */
12783 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012784 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012785 }
12786 return 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012787}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012788static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
12789 u32 shmem_base_path[],
12790 u32 shmem2_base_path[], u8 phy_index,
12791 u32 chip_id)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012792{
12793 u32 val;
12794 s8 port;
12795 struct bnx2x_phy phy;
12796 /* Use port1 because of the static port-swap */
12797 /* Enable the module detection interrupt */
12798 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
12799 val |= ((1<<MISC_REGISTERS_GPIO_3)|
12800 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
12801 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
12802
Yaniv Rosner650154b2010-11-01 05:32:36 +000012803 bnx2x_ext_phy_hw_reset(bp, 0);
Yuval Mintzd2310232012-06-20 19:05:19 +000012804 usleep_range(5000, 10000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012805 for (port = 0; port < PORT_MAX; port++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012806 u32 shmem_base, shmem2_base;
12807
12808 /* In E2, same phy is using for port0 of the two paths */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012809 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012810 shmem_base = shmem_base_path[0];
12811 shmem2_base = shmem2_base_path[0];
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012812 } else {
12813 shmem_base = shmem_base_path[port];
12814 shmem2_base = shmem2_base_path[port];
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012815 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012816 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012817 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012818 port, &phy) !=
12819 0) {
12820 DP(NETIF_MSG_LINK, "populate phy failed\n");
12821 return -EINVAL;
12822 }
12823
12824 /* Reset phy*/
12825 bnx2x_cl45_write(bp, &phy,
12826 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
12827
12828
12829 /* Set fault module detected LED on */
12830 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012831 MISC_REGISTERS_GPIO_HIGH,
12832 port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012833 }
12834
12835 return 0;
12836}
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000012837static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
12838 u8 *io_gpio, u8 *io_port)
12839{
12840
12841 u32 phy_gpio_reset = REG_RD(bp, shmem_base +
12842 offsetof(struct shmem_region,
12843 dev_info.port_hw_config[PORT_0].default_cfg));
12844 switch (phy_gpio_reset) {
12845 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
12846 *io_gpio = 0;
12847 *io_port = 0;
12848 break;
12849 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
12850 *io_gpio = 1;
12851 *io_port = 0;
12852 break;
12853 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
12854 *io_gpio = 2;
12855 *io_port = 0;
12856 break;
12857 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
12858 *io_gpio = 3;
12859 *io_port = 0;
12860 break;
12861 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
12862 *io_gpio = 0;
12863 *io_port = 1;
12864 break;
12865 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
12866 *io_gpio = 1;
12867 *io_port = 1;
12868 break;
12869 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
12870 *io_gpio = 2;
12871 *io_port = 1;
12872 break;
12873 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
12874 *io_gpio = 3;
12875 *io_port = 1;
12876 break;
12877 default:
12878 /* Don't override the io_gpio and io_port */
12879 break;
12880 }
12881}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012882
12883static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
12884 u32 shmem_base_path[],
12885 u32 shmem2_base_path[], u8 phy_index,
12886 u32 chip_id)
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012887{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000012888 s8 port, reset_gpio;
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012889 u32 swap_val, swap_override;
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012890 struct bnx2x_phy phy[PORT_MAX];
12891 struct bnx2x_phy *phy_blk[PORT_MAX];
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012892 s8 port_of_path;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012893 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12894 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012895
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000012896 reset_gpio = MISC_REGISTERS_GPIO_1;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012897 port = 1;
12898
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012899 /* Retrieve the reset gpio/port which control the reset.
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000012900 * Default is GPIO1, PORT1
12901 */
12902 bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
12903 (u8 *)&reset_gpio, (u8 *)&port);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012904
12905 /* Calculate the port based on port swap */
12906 port ^= (swap_val && swap_override);
12907
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000012908 /* Initiate PHY reset*/
12909 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
12910 port);
Yaniv Rosner503976e2012-11-27 03:46:34 +000012911 usleep_range(1000, 2000);
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000012912 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12913 port);
12914
Yuval Mintzd2310232012-06-20 19:05:19 +000012915 usleep_range(5000, 10000);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012916
12917 /* PART1 - Reset both phys */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012918 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012919 u32 shmem_base, shmem2_base;
12920
12921 /* In E2, same phy is using for port0 of the two paths */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012922 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012923 shmem_base = shmem_base_path[0];
12924 shmem2_base = shmem2_base_path[0];
12925 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012926 } else {
12927 shmem_base = shmem_base_path[port];
12928 shmem2_base = shmem2_base_path[port];
12929 port_of_path = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012930 }
12931
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012932 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012933 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012934 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012935 0) {
12936 DP(NETIF_MSG_LINK, "populate phy failed\n");
12937 return -EINVAL;
12938 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012939 /* disable attentions */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012940 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12941 port_of_path*4,
12942 (NIG_MASK_XGXS0_LINK_STATUS |
12943 NIG_MASK_XGXS0_LINK10G |
12944 NIG_MASK_SERDES0_LINK_STATUS |
12945 NIG_MASK_MI_INT));
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012946
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012947
12948 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012949 bnx2x_cl45_write(bp, &phy[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012950 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012951 }
12952
12953 /* Add delay of 150ms after reset */
12954 msleep(150);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012955 if (phy[PORT_0].addr & 0x1) {
12956 phy_blk[PORT_0] = &(phy[PORT_1]);
12957 phy_blk[PORT_1] = &(phy[PORT_0]);
12958 } else {
12959 phy_blk[PORT_0] = &(phy[PORT_0]);
12960 phy_blk[PORT_1] = &(phy[PORT_1]);
12961 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012962 /* PART2 - Download firmware to both phys */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012963 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012964 if (CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012965 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012966 else
12967 port_of_path = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012968 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12969 phy_blk[port]->addr);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +000012970 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12971 port_of_path))
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012972 return -EINVAL;
Yaniv Rosner85242ee2011-07-05 01:06:53 +000012973 /* Disable PHY transmitter output */
12974 bnx2x_cl45_write(bp, phy_blk[port],
12975 MDIO_PMA_DEVAD,
12976 MDIO_PMA_REG_TX_DISABLE, 1);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012977
Yaniv Rosner5c99274b2011-01-18 04:33:36 +000012978 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012979 return 0;
12980}
12981
Yaniv Rosner521683d2011-11-28 00:49:48 +000012982static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
12983 u32 shmem_base_path[],
12984 u32 shmem2_base_path[],
12985 u8 phy_index,
12986 u32 chip_id)
12987{
12988 u8 reset_gpios;
Yaniv Rosner521683d2011-11-28 00:49:48 +000012989 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
12990 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
12991 udelay(10);
12992 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
12993 DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
12994 reset_gpios);
Yaniv Rosner521683d2011-11-28 00:49:48 +000012995 return 0;
12996}
12997
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000012998static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000012999 struct bnx2x_phy *phy,
13000 u8 port)
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000013001{
13002 u16 val, cnt;
13003 /* Wait for FW completing its initialization. */
13004 for (cnt = 0; cnt < 1500; cnt++) {
13005 bnx2x_cl45_read(bp, phy,
13006 MDIO_PMA_DEVAD,
13007 MDIO_PMA_REG_CTRL, &val);
13008 if (!(val & (1<<15)))
13009 break;
Yaniv Rosner503976e2012-11-27 03:46:34 +000013010 usleep_range(1000, 2000);
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000013011 }
13012 if (cnt >= 1500) {
13013 DP(NETIF_MSG_LINK, "84833 reset timeout\n");
13014 return -EINVAL;
13015 }
13016
13017 /* Put the port in super isolate mode. */
13018 bnx2x_cl45_read(bp, phy,
13019 MDIO_CTL_DEVAD,
13020 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
13021 val |= MDIO_84833_SUPER_ISOLATE;
13022 bnx2x_cl45_write(bp, phy,
13023 MDIO_CTL_DEVAD,
13024 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
13025
13026 /* Save spirom version */
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000013027 bnx2x_save_848xx_spirom_version(phy, bp, port);
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000013028 return 0;
13029}
13030
13031int bnx2x_pre_init_phy(struct bnx2x *bp,
13032 u32 shmem_base,
13033 u32 shmem2_base,
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000013034 u32 chip_id,
13035 u8 port)
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000013036{
13037 int rc = 0;
13038 struct bnx2x_phy phy;
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000013039 if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000013040 port, &phy) != 0) {
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000013041 DP(NETIF_MSG_LINK, "populate_phy failed\n");
13042 return -EINVAL;
13043 }
Yaniv Rosner55386fe82012-11-27 03:46:30 +000013044 bnx2x_set_mdio_clk(bp, chip_id, phy.mdio_ctrl);
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000013045 switch (phy.type) {
13046 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000013047 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
13048 rc = bnx2x_84833_pre_init_phy(bp, &phy, port);
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000013049 break;
13050 default:
13051 break;
13052 }
13053 return rc;
13054}
Yaniv Rosner521683d2011-11-28 00:49:48 +000013055
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000013056static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
13057 u32 shmem2_base_path[], u8 phy_index,
13058 u32 ext_phy_type, u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -070013059{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000013060 int rc = 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070013061
13062 switch (ext_phy_type) {
13063 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013064 rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
13065 shmem2_base_path,
13066 phy_index, chip_id);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070013067 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +000013068 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Eilon Greenstein4d295db2009-07-21 05:47:47 +000013069 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
13070 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013071 rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
13072 shmem2_base_path,
13073 phy_index, chip_id);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000013074 break;
13075
Eilon Greenstein589abe32009-02-12 08:36:55 +000013076 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000013077 /* GPIO1 affects both ports, so there's need to pull
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000013078 * it for single port alone
13079 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013080 rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
13081 shmem2_base_path,
13082 phy_index, chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013083 break;
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000013084 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
Yaniv Rosner0f6bb032012-11-27 03:46:32 +000013085 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000013086 /* GPIO3's are linked, and so both need to be toggled
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000013087 * to obtain required 2us pulse.
13088 */
Yaniv Rosner521683d2011-11-28 00:49:48 +000013089 rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
13090 shmem2_base_path,
13091 phy_index, chip_id);
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000013092 break;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013093 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
13094 rc = -EINVAL;
Yaniv Rosner4f60dab2009-11-05 19:18:23 +020013095 break;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070013096 default:
13097 DP(NETIF_MSG_LINK,
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000013098 "ext_phy 0x%x common init not required\n",
13099 ext_phy_type);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070013100 break;
13101 }
13102
Yuval Mintzd2310232012-06-20 19:05:19 +000013103 if (rc)
Yaniv Rosner6d870c32011-01-31 04:22:20 +000013104 netdev_err(bp->dev, "Warning: PHY was not initialized,"
13105 " Port %d\n",
13106 0);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070013107 return rc;
13108}
13109
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000013110int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
13111 u32 shmem2_base_path[], u32 chip_id)
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013112{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000013113 int rc = 0;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000013114 u32 phy_ver, val;
13115 u8 phy_index = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013116 u32 ext_phy_type, ext_phy_config;
Yaniv Rosner55386fe82012-11-27 03:46:30 +000013117
13118 bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
13119 bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013120 DP(NETIF_MSG_LINK, "Begin common phy init\n");
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000013121 if (CHIP_IS_E3(bp)) {
13122 /* Enable EPIO */
13123 val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
13124 REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
13125 }
Yaniv Rosnerb21a3422011-01-18 04:33:24 +000013126 /* Check if common init was already done */
13127 phy_ver = REG_RD(bp, shmem_base_path[0] +
13128 offsetof(struct shmem_region,
13129 port_mb[PORT_0].ext_phy_fw_version));
13130 if (phy_ver) {
13131 DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
13132 phy_ver);
13133 return 0;
13134 }
13135
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013136 /* Read the ext_phy_type for arbitrary port(0) */
13137 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13138 phy_index++) {
13139 ext_phy_config = bnx2x_get_ext_phy_config(bp,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013140 shmem_base_path[0],
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013141 phy_index, 0);
13142 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013143 rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
13144 shmem2_base_path,
13145 phy_index, ext_phy_type,
13146 chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013147 }
13148 return rc;
13149}
13150
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013151static void bnx2x_check_over_curr(struct link_params *params,
13152 struct link_vars *vars)
13153{
13154 struct bnx2x *bp = params->bp;
13155 u32 cfg_pin;
13156 u8 port = params->port;
13157 u32 pin_val;
13158
13159 cfg_pin = (REG_RD(bp, params->shmem_base +
13160 offsetof(struct shmem_region,
13161 dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
13162 PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
13163 PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
13164
13165 /* Ignore check if no external input PIN available */
13166 if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
13167 return;
13168
13169 if (!pin_val) {
13170 if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
13171 netdev_err(bp->dev, "Error: Power fault on Port %d has"
13172 " been detected and the power to "
13173 "that SFP+ module has been removed"
13174 " to prevent failure of the card."
13175 " Please remove the SFP+ module and"
13176 " restart the system to clear this"
13177 " error.\n",
13178 params->port);
13179 vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
Yaniv Rosner5a1fbf42012-11-27 03:46:31 +000013180 bnx2x_warpcore_power_module(params, 0);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013181 }
13182 } else
13183 vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
13184}
13185
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013186/* Returns 0 if no change occured since last check; 1 otherwise. */
13187static u8 bnx2x_analyze_link_error(struct link_params *params,
13188 struct link_vars *vars, u32 status,
13189 u32 phy_flag, u32 link_flag, u8 notify)
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013190{
13191 struct bnx2x *bp = params->bp;
13192 /* Compare new value with previous value */
13193 u8 led_mode;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013194 u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013195
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013196 if ((status ^ old_status) == 0)
13197 return 0;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013198
13199 /* If values differ */
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013200 switch (phy_flag) {
13201 case PHY_HALF_OPEN_CONN_FLAG:
13202 DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
13203 break;
13204 case PHY_SFP_TX_FAULT_FLAG:
13205 DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
13206 break;
13207 default:
Masanari Iidaefc7ce02012-11-02 04:36:17 +000013208 DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013209 }
13210 DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
13211 old_status, status);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013212
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000013213 /* a. Update shmem->link_status accordingly
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013214 * b. Update link_vars->link_up
13215 */
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013216 if (status) {
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013217 vars->link_status &= ~LINK_STATUS_LINK_UP;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013218 vars->link_status |= link_flag;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013219 vars->link_up = 0;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013220 vars->phy_flags |= phy_flag;
Yaniv Rosner55098c52012-04-03 18:41:27 +000013221
13222 /* activate nig drain */
13223 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000013224 /* Set LED mode to off since the PHY doesn't know about these
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013225 * errors
13226 */
13227 led_mode = LED_MODE_OFF;
13228 } else {
13229 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 = 1;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013232 vars->phy_flags &= ~phy_flag;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013233 led_mode = LED_MODE_OPER;
Yaniv Rosner55098c52012-04-03 18:41:27 +000013234
13235 /* Clear nig drain */
13236 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013237 }
Yaniv Rosner55098c52012-04-03 18:41:27 +000013238 bnx2x_sync_link(params, vars);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013239 /* Update the LED according to the link state */
13240 bnx2x_set_led(params, vars, led_mode, SPEED_10000);
13241
13242 /* Update link status in the shared memory */
13243 bnx2x_update_mng(params, vars->link_status);
13244
13245 /* C. Trigger General Attention */
13246 vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
Yaniv Rosner55098c52012-04-03 18:41:27 +000013247 if (notify)
13248 bnx2x_notify_link_changed(bp);
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013249
13250 return 1;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013251}
13252
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013253/******************************************************************************
13254* Description:
13255* This function checks for half opened connection change indication.
13256* When such change occurs, it calls the bnx2x_analyze_link_error
13257* to check if Remote Fault is set or cleared. Reception of remote fault
13258* status message in the MAC indicates that the peer's MAC has detected
13259* a fault, for example, due to break in the TX side of fiber.
13260*
13261******************************************************************************/
Yaniv Rosner55098c52012-04-03 18:41:27 +000013262int bnx2x_check_half_open_conn(struct link_params *params,
13263 struct link_vars *vars,
13264 u8 notify)
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013265{
13266 struct bnx2x *bp = params->bp;
13267 u32 lss_status = 0;
13268 u32 mac_base;
13269 /* In case link status is physically up @ 10G do */
Yaniv Rosner55098c52012-04-03 18:41:27 +000013270 if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
13271 (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
13272 return 0;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013273
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013274 if (CHIP_IS_E3(bp) &&
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013275 (REG_RD(bp, MISC_REG_RESET_REG_2) &
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013276 (MISC_REGISTERS_RESET_REG_2_XMAC))) {
13277 /* Check E3 XMAC */
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000013278 /* Note that link speed cannot be queried here, since it may be
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013279 * zero while link is down. In case UMAC is active, LSS will
13280 * simply not be set
13281 */
13282 mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
13283
13284 /* Clear stick bits (Requires rising edge) */
13285 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
13286 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
13287 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
13288 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
13289 if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
13290 lss_status = 1;
13291
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013292 bnx2x_analyze_link_error(params, vars, lss_status,
13293 PHY_HALF_OPEN_CONN_FLAG,
13294 LINK_STATUS_NONE, notify);
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013295 } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
13296 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013297 /* Check E1X / E2 BMAC */
13298 u32 lss_status_reg;
13299 u32 wb_data[2];
13300 mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
13301 NIG_REG_INGRESS_BMAC0_MEM;
13302 /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
13303 if (CHIP_IS_E2(bp))
13304 lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
13305 else
13306 lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
13307
13308 REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
13309 lss_status = (wb_data[0] > 0);
13310
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013311 bnx2x_analyze_link_error(params, vars, lss_status,
13312 PHY_HALF_OPEN_CONN_FLAG,
13313 LINK_STATUS_NONE, notify);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013314 }
Yaniv Rosner55098c52012-04-03 18:41:27 +000013315 return 0;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013316}
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013317static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
13318 struct link_params *params,
13319 struct link_vars *vars)
13320{
13321 struct bnx2x *bp = params->bp;
13322 u32 cfg_pin, value = 0;
13323 u8 led_change, port = params->port;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013324
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013325 /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
13326 cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
13327 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
13328 PORT_HW_CFG_E3_TX_FAULT_MASK) >>
13329 PORT_HW_CFG_E3_TX_FAULT_SHIFT;
13330
13331 if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
13332 DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
13333 return;
13334 }
13335
13336 led_change = bnx2x_analyze_link_error(params, vars, value,
13337 PHY_SFP_TX_FAULT_FLAG,
13338 LINK_STATUS_SFP_TX_FAULT, 1);
13339
13340 if (led_change) {
13341 /* Change TX_Fault led, set link status for further syncs */
13342 u8 led_mode;
13343
13344 if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
13345 led_mode = MISC_REGISTERS_GPIO_HIGH;
13346 vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
13347 } else {
13348 led_mode = MISC_REGISTERS_GPIO_LOW;
13349 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13350 }
13351
13352 /* If module is unapproved, led should be on regardless */
13353 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
13354 DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
13355 led_mode);
13356 bnx2x_set_e3_module_fault_led(params, led_mode);
13357 }
13358 }
13359}
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000013360static void bnx2x_disable_kr2(struct link_params *params,
13361 struct link_vars *vars,
13362 struct bnx2x_phy *phy)
13363{
13364 struct bnx2x *bp = params->bp;
13365 int i;
13366 static struct bnx2x_reg_set reg_set[] = {
13367 /* Step 1 - Program the TX/RX alignment markers */
13368 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
13369 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
13370 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
13371 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
13372 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
13373 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
13374 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
13375 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
13376 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
13377 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
13378 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
13379 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
13380 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
13381 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
13382 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
13383 };
13384 DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
13385
13386 for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
13387 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
13388 reg_set[i].val);
13389 vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
13390 bnx2x_update_link_attr(params, vars->link_attr_sync);
13391
13392 /* Restart AN on leading lane */
13393 bnx2x_warpcore_restart_AN_KR(phy, params);
13394}
13395
13396static void bnx2x_kr2_recovery(struct link_params *params,
13397 struct link_vars *vars,
13398 struct bnx2x_phy *phy)
13399{
13400 struct bnx2x *bp = params->bp;
13401 DP(NETIF_MSG_LINK, "KR2 recovery\n");
13402 bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
13403 bnx2x_warpcore_restart_AN_KR(phy, params);
13404}
13405
13406static void bnx2x_check_kr2_wa(struct link_params *params,
13407 struct link_vars *vars,
13408 struct bnx2x_phy *phy)
13409{
13410 struct bnx2x *bp = params->bp;
13411 u16 base_page, next_page, not_kr2_device, lane;
13412 int sigdet = bnx2x_warpcore_get_sigdet(phy, params);
13413
13414 if (!sigdet) {
13415 if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE))
13416 bnx2x_kr2_recovery(params, vars, phy);
13417 return;
13418 }
13419
13420 lane = bnx2x_get_warpcore_lane(phy, params);
13421 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
13422 MDIO_AER_BLOCK_AER_REG, lane);
13423 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13424 MDIO_AN_REG_LP_AUTO_NEG, &base_page);
13425 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13426 MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
13427 bnx2x_set_aer_mmd(params, phy);
13428
13429 /* CL73 has not begun yet */
13430 if (base_page == 0) {
13431 if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE))
13432 bnx2x_kr2_recovery(params, vars, phy);
13433 return;
13434 }
13435
13436 /* In case NP bit is not set in the BasePage, or it is set,
13437 * but only KX is advertised, declare this link partner as non-KR2
13438 * device.
13439 */
13440 not_kr2_device = (((base_page & 0x8000) == 0) ||
13441 (((base_page & 0x8000) &&
13442 ((next_page & 0xe0) == 0x2))));
13443
13444 /* In case KR2 is already disabled, check if we need to re-enable it */
13445 if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13446 if (!not_kr2_device) {
13447 DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
13448 next_page);
13449 bnx2x_kr2_recovery(params, vars, phy);
13450 }
13451 return;
13452 }
13453 /* KR2 is enabled, but not KR2 device */
13454 if (not_kr2_device) {
13455 /* Disable KR2 on both lanes */
13456 DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
13457 bnx2x_disable_kr2(params, vars, phy);
13458 return;
13459 }
13460}
13461
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013462void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
13463{
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013464 u16 phy_idx;
Yaniv Rosner55098c52012-04-03 18:41:27 +000013465 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013466 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
13467 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
13468 bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
Yaniv Rosner55098c52012-04-03 18:41:27 +000013469 if (bnx2x_check_half_open_conn(params, vars, 1) !=
13470 0)
13471 DP(NETIF_MSG_LINK, "Fault detection failed\n");
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013472 break;
13473 }
13474 }
13475
Yaniv Rosnera9077bf2011-10-27 05:09:46 +000013476 if (CHIP_IS_E3(bp)) {
13477 struct bnx2x_phy *phy = &params->phy[INT_PHY];
13478 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosner4e7b4992012-11-27 03:46:29 +000013479 if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
13480 (phy->speed_cap_mask & SPEED_20000))
13481 bnx2x_check_kr2_wa(params, vars, phy);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013482 bnx2x_check_over_curr(params, vars);
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013483 if (vars->rx_tx_asic_rst)
13484 bnx2x_warpcore_config_runtime(phy, params, vars);
13485
13486 if ((REG_RD(bp, params->shmem_base +
13487 offsetof(struct shmem_region, dev_info.
13488 port_hw_config[params->port].default_cfg))
13489 & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
13490 PORT_HW_CFG_NET_SERDES_IF_SFI) {
13491 if (bnx2x_is_sfp_module_plugged(phy, params)) {
13492 bnx2x_sfp_tx_fault_detection(phy, params, vars);
13493 } else if (vars->link_status &
13494 LINK_STATUS_SFP_TX_FAULT) {
13495 /* Clean trail, interrupt corrects the leds */
13496 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13497 vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
13498 /* Update link status in the shared memory */
13499 bnx2x_update_mng(params, vars->link_status);
13500 }
13501 }
Yaniv Rosnera9077bf2011-10-27 05:09:46 +000013502 }
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013503}
13504
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000013505u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
13506 u32 shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013507 u32 shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000013508 u8 port)
13509{
13510 u8 phy_index, fan_failure_det_req = 0;
13511 struct bnx2x_phy phy;
13512 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13513 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013514 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000013515 port, &phy)
13516 != 0) {
13517 DP(NETIF_MSG_LINK, "populate phy failed\n");
13518 return 0;
13519 }
13520 fan_failure_det_req |= (phy.flags &
13521 FLAGS_FAN_FAILURE_DET_REQ);
13522 }
13523 return fan_failure_det_req;
13524}
13525
13526void bnx2x_hw_reset_phy(struct link_params *params)
13527{
13528 u8 phy_index;
Yaniv Rosner985848f2011-07-05 01:06:48 +000013529 struct bnx2x *bp = params->bp;
13530 bnx2x_update_mng(params, 0);
13531 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
13532 (NIG_MASK_XGXS0_LINK_STATUS |
13533 NIG_MASK_XGXS0_LINK10G |
13534 NIG_MASK_SERDES0_LINK_STATUS |
13535 NIG_MASK_MI_INT));
13536
13537 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000013538 phy_index++) {
13539 if (params->phy[phy_index].hw_reset) {
13540 params->phy[phy_index].hw_reset(
13541 &params->phy[phy_index],
13542 params);
13543 params->phy[phy_index] = phy_null;
13544 }
13545 }
13546}
Yaniv Rosner020c7e32011-05-31 21:28:43 +000013547
13548void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
13549 u32 chip_id, u32 shmem_base, u32 shmem2_base,
13550 u8 port)
13551{
13552 u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
13553 u32 val;
13554 u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000013555 if (CHIP_IS_E3(bp)) {
13556 if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
13557 shmem_base,
13558 port,
13559 &gpio_num,
13560 &gpio_port) != 0)
13561 return;
13562 } else {
Yaniv Rosner020c7e32011-05-31 21:28:43 +000013563 struct bnx2x_phy phy;
13564 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13565 phy_index++) {
13566 if (bnx2x_populate_phy(bp, phy_index, shmem_base,
13567 shmem2_base, port, &phy)
13568 != 0) {
13569 DP(NETIF_MSG_LINK, "populate phy failed\n");
13570 return;
13571 }
13572 if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
13573 gpio_num = MISC_REGISTERS_GPIO_3;
13574 gpio_port = port;
13575 break;
13576 }
13577 }
13578 }
13579
13580 if (gpio_num == 0xff)
13581 return;
13582
13583 /* Set GPIO3 to trigger SFP+ module insertion/removal */
13584 bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
13585
13586 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13587 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13588 gpio_port ^= (swap_val && swap_override);
13589
13590 vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
13591 (gpio_num + (gpio_port << 2));
13592
13593 sync_offset = shmem_base +
13594 offsetof(struct shmem_region,
13595 dev_info.port_hw_config[port].aeu_int_mask);
13596 REG_WR(bp, sync_offset, vars->aeu_int_mask);
13597
13598 DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
13599 gpio_num, gpio_port, vars->aeu_int_mask);
13600
13601 if (port == 0)
13602 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
13603 else
13604 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
13605
13606 /* Open appropriate AEU for interrupts */
13607 aeu_mask = REG_RD(bp, offset);
13608 aeu_mask |= vars->aeu_int_mask;
13609 REG_WR(bp, offset, aeu_mask);
13610
13611 /* Enable the GPIO to trigger interrupt */
13612 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
13613 val |= 1 << (gpio_num + (gpio_port << 2));
13614 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
13615}