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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 Rosnercd88cce2011-01-31 04:21:34 +0000124#define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
125#define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700126#define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000127#define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700128#define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
129#define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
130#define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
131#define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
132#define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
133#define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
134#define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000135#define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
136#define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000137#define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
138#define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
Yaniv Rosner6583e332011-06-14 01:34:17 +0000139
Yaniv Rosner49781402012-10-31 05:46:55 +0000140#define LINK_UPDATE_MASK \
141 (LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
142 LINK_STATUS_LINK_UP | \
143 LINK_STATUS_PHYSICAL_LINK_FLAG | \
144 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
145 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
146 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
147 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
148 LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
149 LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
Yaniv Rosner6583e332011-06-14 01:34:17 +0000150
Eilon Greenstein589abe32009-02-12 08:36:55 +0000151#define SFP_EEPROM_CON_TYPE_ADDR 0x2
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000152 #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
Eilon Greenstein589abe32009-02-12 08:36:55 +0000153 #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
154
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000155
156#define SFP_EEPROM_COMP_CODE_ADDR 0x3
157 #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
158 #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
159 #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
160
Eilon Greenstein589abe32009-02-12 08:36:55 +0000161#define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
162 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000163 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000164
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000165#define SFP_EEPROM_OPTIONS_ADDR 0x40
Eilon Greenstein589abe32009-02-12 08:36:55 +0000166 #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000167#define SFP_EEPROM_OPTIONS_SIZE 2
Eilon Greenstein589abe32009-02-12 08:36:55 +0000168
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000169#define EDC_MODE_LINEAR 0x0022
170#define EDC_MODE_LIMITING 0x0044
171#define EDC_MODE_PASSIVE_DAC 0x0055
Eilon Greenstein589abe32009-02-12 08:36:55 +0000172
Yaniv Rosner866ceda2011-11-28 00:49:45 +0000173/* ETS defines*/
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000174#define DCBX_INVALID_COS (0xFF)
175
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000176#define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
177#define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000178#define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
179#define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
180#define ETS_E3B0_PBF_MIN_W_VAL (10000)
181
182#define MAX_PACKET_SIZE (9700)
Yaniv Rosnera9077bf2011-10-27 05:09:46 +0000183#define MAX_KR_LINK_RETRY 4
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000184
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700185/**********************************************************/
186/* INTERFACE */
187/**********************************************************/
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000188
Yaniv Rosnercd2be892011-01-31 04:21:45 +0000189#define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000190 bnx2x_cl45_write(_bp, _phy, \
Yaniv Rosner7aa07112010-09-07 11:41:01 +0000191 (_phy)->def_md_devad, \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700192 (_bank + (_addr & 0xf)), \
193 _val)
194
Yaniv Rosnercd2be892011-01-31 04:21:45 +0000195#define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000196 bnx2x_cl45_read(_bp, _phy, \
Yaniv Rosner7aa07112010-09-07 11:41:01 +0000197 (_phy)->def_md_devad, \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700198 (_bank + (_addr & 0xf)), \
199 _val)
200
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700201static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
202{
203 u32 val = REG_RD(bp, reg);
204
205 val |= bits;
206 REG_WR(bp, reg, val);
207 return val;
208}
209
210static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
211{
212 u32 val = REG_RD(bp, reg);
213
214 val &= ~bits;
215 REG_WR(bp, reg, val);
216 return val;
217}
218
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +0000219/*
220 * bnx2x_check_lfa - This function checks if link reinitialization is required,
221 * or link flap can be avoided.
222 *
223 * @params: link parameters
224 * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
225 * condition code.
226 */
227static int bnx2x_check_lfa(struct link_params *params)
228{
229 u32 link_status, cfg_idx, lfa_mask, cfg_size;
230 u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
231 u32 saved_val, req_val, eee_status;
232 struct bnx2x *bp = params->bp;
233
234 additional_config =
235 REG_RD(bp, params->lfa_base +
236 offsetof(struct shmem_lfa, additional_config));
237
238 /* NOTE: must be first condition checked -
239 * to verify DCC bit is cleared in any case!
240 */
241 if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
242 DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
243 REG_WR(bp, params->lfa_base +
244 offsetof(struct shmem_lfa, additional_config),
245 additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
246 return LFA_DCC_LFA_DISABLED;
247 }
248
249 /* Verify that link is up */
250 link_status = REG_RD(bp, params->shmem_base +
251 offsetof(struct shmem_region,
252 port_mb[params->port].link_status));
253 if (!(link_status & LINK_STATUS_LINK_UP))
254 return LFA_LINK_DOWN;
255
256 /* Verify that loopback mode is not set */
257 if (params->loopback_mode)
258 return LFA_LOOPBACK_ENABLED;
259
260 /* Verify that MFW supports LFA */
261 if (!params->lfa_base)
262 return LFA_MFW_IS_TOO_OLD;
263
264 if (params->num_phys == 3) {
265 cfg_size = 2;
266 lfa_mask = 0xffffffff;
267 } else {
268 cfg_size = 1;
269 lfa_mask = 0xffff;
270 }
271
272 /* Compare Duplex */
273 saved_val = REG_RD(bp, params->lfa_base +
274 offsetof(struct shmem_lfa, req_duplex));
275 req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
276 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
277 DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
278 (saved_val & lfa_mask), (req_val & lfa_mask));
279 return LFA_DUPLEX_MISMATCH;
280 }
281 /* Compare Flow Control */
282 saved_val = REG_RD(bp, params->lfa_base +
283 offsetof(struct shmem_lfa, req_flow_ctrl));
284 req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
285 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
286 DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
287 (saved_val & lfa_mask), (req_val & lfa_mask));
288 return LFA_FLOW_CTRL_MISMATCH;
289 }
290 /* Compare Link Speed */
291 saved_val = REG_RD(bp, params->lfa_base +
292 offsetof(struct shmem_lfa, req_line_speed));
293 req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
294 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
295 DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
296 (saved_val & lfa_mask), (req_val & lfa_mask));
297 return LFA_LINK_SPEED_MISMATCH;
298 }
299
300 for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
301 cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
302 offsetof(struct shmem_lfa,
303 speed_cap_mask[cfg_idx]));
304
305 if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
306 DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
307 cur_speed_cap_mask,
308 params->speed_cap_mask[cfg_idx]);
309 return LFA_SPEED_CAP_MISMATCH;
310 }
311 }
312
313 cur_req_fc_auto_adv =
314 REG_RD(bp, params->lfa_base +
315 offsetof(struct shmem_lfa, additional_config)) &
316 REQ_FC_AUTO_ADV_MASK;
317
318 if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
319 DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
320 cur_req_fc_auto_adv, params->req_fc_auto_adv);
321 return LFA_FLOW_CTRL_MISMATCH;
322 }
323
324 eee_status = REG_RD(bp, params->shmem2_base +
325 offsetof(struct shmem2_region,
326 eee_status[params->port]));
327
328 if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
329 (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
330 ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
331 (params->eee_mode & EEE_MODE_ADV_LPI))) {
332 DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
333 eee_status);
334 return LFA_EEE_MISMATCH;
335 }
336
337 /* LFA conditions are met */
338 return 0;
339}
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000340/******************************************************************/
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000341/* EPIO/GPIO section */
342/******************************************************************/
Yaniv Rosner3deb8162011-06-14 01:34:33 +0000343static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
344{
345 u32 epio_mask, gp_oenable;
346 *en = 0;
347 /* Sanity check */
348 if (epio_pin > 31) {
349 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
350 return;
351 }
352
353 epio_mask = 1 << epio_pin;
354 /* Set this EPIO to output */
355 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
356 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
357
358 *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
359}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000360static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
361{
362 u32 epio_mask, gp_output, gp_oenable;
363
364 /* Sanity check */
365 if (epio_pin > 31) {
366 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
367 return;
368 }
369 DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
370 epio_mask = 1 << epio_pin;
371 /* Set this EPIO to output */
372 gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
373 if (en)
374 gp_output |= epio_mask;
375 else
376 gp_output &= ~epio_mask;
377
378 REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
379
380 /* Set the value for this EPIO */
381 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
382 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
383}
384
385static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
386{
387 if (pin_cfg == PIN_CFG_NA)
388 return;
389 if (pin_cfg >= PIN_CFG_EPIO0) {
390 bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
391 } else {
392 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
393 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
394 bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
395 }
396}
397
Yaniv Rosner3deb8162011-06-14 01:34:33 +0000398static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
399{
400 if (pin_cfg == PIN_CFG_NA)
401 return -EINVAL;
402 if (pin_cfg >= PIN_CFG_EPIO0) {
403 bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
404 } else {
405 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
406 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
407 *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
408 }
409 return 0;
410
411}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000412/******************************************************************/
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000413/* ETS section */
414/******************************************************************/
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000415static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000416{
417 /* ETS disabled configuration*/
418 struct bnx2x *bp = params->bp;
419
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000420 DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000421
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000422 /* mapping between entry priority to client number (0,1,2 -debug and
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000423 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
424 * 3bits client num.
425 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
426 * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
427 */
428
429 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000430 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000431 * as strict. Bits 0,1,2 - debug and management entries, 3 -
432 * COS0 entry, 4 - COS1 entry.
433 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
434 * bit4 bit3 bit2 bit1 bit0
435 * MCP and debug are strict
436 */
437
438 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
439 /* defines which entries (clients) are subjected to WFQ arbitration */
440 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000441 /* For strict priority entries defines the number of consecutive
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000442 * slots for the highest priority.
443 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000444 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000445 /* mapping between the CREDIT_WEIGHT registers and actual client
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000446 * numbers
447 */
448 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
449 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
450 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
451
452 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
453 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
454 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
455 /* ETS mode disable */
456 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000457 /* If ETS mode is enabled (there is no strict priority) defines a WFQ
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000458 * weight for COS0/COS1.
459 */
460 REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
461 REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
462 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
463 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
464 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
465 /* Defines the number of consecutive slots for the strict priority */
466 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
467}
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000468/******************************************************************************
469* Description:
470* Getting min_w_val will be set according to line speed .
471*.
472******************************************************************************/
473static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
474{
475 u32 min_w_val = 0;
476 /* Calculate min_w_val.*/
477 if (vars->link_up) {
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000478 if (vars->line_speed == SPEED_20000)
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000479 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
480 else
481 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
482 } else
483 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000484 /* If the link isn't up (static configuration for example ) The
485 * link will be according to 20GBPS.
486 */
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000487 return min_w_val;
488}
489/******************************************************************************
490* Description:
491* Getting credit upper bound form min_w_val.
492*.
493******************************************************************************/
494static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
495{
496 const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
497 MAX_PACKET_SIZE);
498 return credit_upper_bound;
499}
500/******************************************************************************
501* Description:
502* Set credit upper bound for NIG.
503*.
504******************************************************************************/
505static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
506 const struct link_params *params,
507 const u32 min_w_val)
508{
509 struct bnx2x *bp = params->bp;
510 const u8 port = params->port;
511 const u32 credit_upper_bound =
512 bnx2x_ets_get_credit_upper_bound(min_w_val);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000513
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000514 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
515 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
516 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
517 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
518 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
519 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
520 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
521 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
522 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
523 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
524 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
525 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
526
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000527 if (!port) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000528 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
529 credit_upper_bound);
530 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
531 credit_upper_bound);
532 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
533 credit_upper_bound);
534 }
535}
536/******************************************************************************
537* Description:
538* Will return the NIG ETS registers to init values.Except
539* credit_upper_bound.
540* That isn't used in this configuration (No WFQ is enabled) and will be
541* configured acording to spec
542*.
543******************************************************************************/
544static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
545 const struct link_vars *vars)
546{
547 struct bnx2x *bp = params->bp;
548 const u8 port = params->port;
549 const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000550 /* Mapping between entry priority to client number (0,1,2 -debug and
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000551 * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
552 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
553 * reset value or init tool
554 */
555 if (port) {
556 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
557 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
558 } else {
559 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
560 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
561 }
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000562 /* For strict priority entries defines the number of consecutive
563 * slots for the highest priority.
564 */
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000565 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
566 NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000567 /* Mapping between the CREDIT_WEIGHT registers and actual client
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000568 * numbers
569 */
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000570 if (port) {
571 /*Port 1 has 6 COS*/
572 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
573 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
574 } else {
575 /*Port 0 has 9 COS*/
576 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
577 0x43210876);
578 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
579 }
580
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000581 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000582 * as strict. Bits 0,1,2 - debug and management entries, 3 -
583 * COS0 entry, 4 - COS1 entry.
584 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
585 * bit4 bit3 bit2 bit1 bit0
586 * MCP and debug are strict
587 */
588 if (port)
589 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
590 else
591 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
592 /* defines which entries (clients) are subjected to WFQ arbitration */
593 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
594 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
595
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000596 /* Please notice the register address are note continuous and a
597 * for here is note appropriate.In 2 port mode port0 only COS0-5
598 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
599 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
600 * are never used for WFQ
601 */
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000602 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
603 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
604 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
605 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
606 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
607 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
608 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
609 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
610 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
611 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
612 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
613 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000614 if (!port) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000615 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
616 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
617 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
618 }
619
620 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
621}
622/******************************************************************************
623* Description:
624* Set credit upper bound for PBF.
625*.
626******************************************************************************/
627static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
628 const struct link_params *params,
629 const u32 min_w_val)
630{
631 struct bnx2x *bp = params->bp;
632 const u32 credit_upper_bound =
633 bnx2x_ets_get_credit_upper_bound(min_w_val);
634 const u8 port = params->port;
635 u32 base_upper_bound = 0;
636 u8 max_cos = 0;
637 u8 i = 0;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000638 /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
639 * port mode port1 has COS0-2 that can be used for WFQ.
640 */
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000641 if (!port) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000642 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
643 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
644 } else {
645 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
646 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
647 }
648
649 for (i = 0; i < max_cos; i++)
650 REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
651}
652
653/******************************************************************************
654* Description:
655* Will return the PBF ETS registers to init values.Except
656* credit_upper_bound.
657* That isn't used in this configuration (No WFQ is enabled) and will be
658* configured acording to spec
659*.
660******************************************************************************/
661static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
662{
663 struct bnx2x *bp = params->bp;
664 const u8 port = params->port;
665 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
666 u8 i = 0;
667 u32 base_weight = 0;
668 u8 max_cos = 0;
669
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000670 /* Mapping between entry priority to client number 0 - COS0
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000671 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
672 * TODO_ETS - Should be done by reset value or init tool
673 */
674 if (port)
675 /* 0x688 (|011|0 10|00 1|000) */
676 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
677 else
678 /* (10 1|100 |011|0 10|00 1|000) */
679 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
680
681 /* TODO_ETS - Should be done by reset value or init tool */
682 if (port)
683 /* 0x688 (|011|0 10|00 1|000)*/
684 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
685 else
686 /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
687 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
688
689 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
690 PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
691
692
693 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
694 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
695
696 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
697 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000698 /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
699 * In 4 port mode port1 has COS0-2 that can be used for WFQ.
700 */
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000701 if (!port) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000702 base_weight = PBF_REG_COS0_WEIGHT_P0;
703 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
704 } else {
705 base_weight = PBF_REG_COS0_WEIGHT_P1;
706 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
707 }
708
709 for (i = 0; i < max_cos; i++)
710 REG_WR(bp, base_weight + (0x4 * i), 0);
711
712 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
713}
714/******************************************************************************
715* Description:
716* E3B0 disable will return basicly the values to init values.
717*.
718******************************************************************************/
719static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
720 const struct link_vars *vars)
721{
722 struct bnx2x *bp = params->bp;
723
724 if (!CHIP_IS_E3B0(bp)) {
Joe Perches94f05b02011-08-14 12:16:20 +0000725 DP(NETIF_MSG_LINK,
726 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000727 return -EINVAL;
728 }
729
730 bnx2x_ets_e3b0_nig_disabled(params, vars);
731
732 bnx2x_ets_e3b0_pbf_disabled(params);
733
734 return 0;
735}
736
737/******************************************************************************
738* Description:
739* Disable will return basicly the values to init values.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000740*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000741******************************************************************************/
742int bnx2x_ets_disabled(struct link_params *params,
743 struct link_vars *vars)
744{
745 struct bnx2x *bp = params->bp;
746 int bnx2x_status = 0;
747
748 if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
749 bnx2x_ets_e2e3a0_disabled(params);
750 else if (CHIP_IS_E3B0(bp))
751 bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
752 else {
753 DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
754 return -EINVAL;
755 }
756
757 return bnx2x_status;
758}
759
760/******************************************************************************
761* Description
762* Set the COS mappimg to SP and BW until this point all the COS are not
763* set as SP or BW.
764******************************************************************************/
765static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
766 const struct bnx2x_ets_params *ets_params,
767 const u8 cos_sp_bitmap,
768 const u8 cos_bw_bitmap)
769{
770 struct bnx2x *bp = params->bp;
771 const u8 port = params->port;
772 const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
773 const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
774 const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
775 const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
776
777 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
778 NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
779
780 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
781 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
782
783 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
784 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
785 nig_cli_subject2wfq_bitmap);
786
787 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
788 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
789 pbf_cli_subject2wfq_bitmap);
790
791 return 0;
792}
793
794/******************************************************************************
795* Description:
796* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
797* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
798******************************************************************************/
799static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
800 const u8 cos_entry,
801 const u32 min_w_val_nig,
802 const u32 min_w_val_pbf,
803 const u16 total_bw,
804 const u8 bw,
805 const u8 port)
806{
807 u32 nig_reg_adress_crd_weight = 0;
808 u32 pbf_reg_adress_crd_weight = 0;
David S. Miller8decf862011-09-22 03:23:13 -0400809 /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
810 const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
811 const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000812
813 switch (cos_entry) {
814 case 0:
815 nig_reg_adress_crd_weight =
816 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
817 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
818 pbf_reg_adress_crd_weight = (port) ?
819 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
820 break;
821 case 1:
822 nig_reg_adress_crd_weight = (port) ?
823 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
824 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
825 pbf_reg_adress_crd_weight = (port) ?
826 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
827 break;
828 case 2:
829 nig_reg_adress_crd_weight = (port) ?
830 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
831 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
832
833 pbf_reg_adress_crd_weight = (port) ?
834 PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
835 break;
836 case 3:
837 if (port)
838 return -EINVAL;
839 nig_reg_adress_crd_weight =
840 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
841 pbf_reg_adress_crd_weight =
842 PBF_REG_COS3_WEIGHT_P0;
843 break;
844 case 4:
845 if (port)
846 return -EINVAL;
847 nig_reg_adress_crd_weight =
848 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
849 pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
850 break;
851 case 5:
852 if (port)
853 return -EINVAL;
854 nig_reg_adress_crd_weight =
855 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
856 pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
857 break;
858 }
859
860 REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
861
862 REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
863
864 return 0;
865}
866/******************************************************************************
867* Description:
868* Calculate the total BW.A value of 0 isn't legal.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000869*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000870******************************************************************************/
871static int bnx2x_ets_e3b0_get_total_bw(
872 const struct link_params *params,
Yaniv Rosner870516e12011-11-28 00:49:46 +0000873 struct bnx2x_ets_params *ets_params,
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000874 u16 *total_bw)
875{
876 struct bnx2x *bp = params->bp;
877 u8 cos_idx = 0;
Yaniv Rosner870516e12011-11-28 00:49:46 +0000878 u8 is_bw_cos_exist = 0;
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000879
880 *total_bw = 0 ;
881 /* Calculate total BW requested */
882 for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000883 if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
Yaniv Rosner870516e12011-11-28 00:49:46 +0000884 is_bw_cos_exist = 1;
885 if (!ets_params->cos[cos_idx].params.bw_params.bw) {
886 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
887 "was set to 0\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000888 /* This is to prevent a state when ramrods
Yaniv Rosner870516e12011-11-28 00:49:46 +0000889 * can't be sent
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000890 */
Yaniv Rosner870516e12011-11-28 00:49:46 +0000891 ets_params->cos[cos_idx].params.bw_params.bw
892 = 1;
893 }
David S. Miller8decf862011-09-22 03:23:13 -0400894 *total_bw +=
895 ets_params->cos[cos_idx].params.bw_params.bw;
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000896 }
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000897 }
898
David S. Miller8decf862011-09-22 03:23:13 -0400899 /* Check total BW is valid */
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000900 if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
901 if (*total_bw == 0) {
Joe Perches94f05b02011-08-14 12:16:20 +0000902 DP(NETIF_MSG_LINK,
Yaniv Rosner2f751a82011-11-28 00:49:52 +0000903 "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000904 return -EINVAL;
905 }
Joe Perches94f05b02011-08-14 12:16:20 +0000906 DP(NETIF_MSG_LINK,
Yaniv Rosner2f751a82011-11-28 00:49:52 +0000907 "bnx2x_ets_E3B0_config total BW should be 100\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000908 /* We can handle a case whre the BW isn't 100 this can happen
Yaniv Rosner2f751a82011-11-28 00:49:52 +0000909 * if the TC are joined.
910 */
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000911 }
912 return 0;
913}
914
915/******************************************************************************
916* Description:
917* Invalidate all the sp_pri_to_cos.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000918*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000919******************************************************************************/
920static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
921{
922 u8 pri = 0;
923 for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
924 sp_pri_to_cos[pri] = DCBX_INVALID_COS;
925}
926/******************************************************************************
927* Description:
928* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
929* according to sp_pri_to_cos.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000930*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000931******************************************************************************/
932static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
933 u8 *sp_pri_to_cos, const u8 pri,
934 const u8 cos_entry)
935{
936 struct bnx2x *bp = params->bp;
937 const u8 port = params->port;
938 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
939 DCBX_E3B0_MAX_NUM_COS_PORT0;
940
Dan Carpenter7e5998a2012-04-17 20:53:42 +0000941 if (pri >= max_num_of_cos) {
942 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
943 "parameter Illegal strict priority\n");
944 return -EINVAL;
945 }
946
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000947 if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000948 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
Joe Perches94f05b02011-08-14 12:16:20 +0000949 "parameter There can't be two COS's with "
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000950 "the same strict pri\n");
951 return -EINVAL;
952 }
953
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000954 sp_pri_to_cos[pri] = cos_entry;
955 return 0;
956
957}
958
959/******************************************************************************
960* Description:
961* Returns the correct value according to COS and priority in
962* the sp_pri_cli register.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000963*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000964******************************************************************************/
965static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
966 const u8 pri_set,
967 const u8 pri_offset,
968 const u8 entry_size)
969{
970 u64 pri_cli_nig = 0;
971 pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
972 (pri_set + pri_offset));
973
974 return pri_cli_nig;
975}
976/******************************************************************************
977* Description:
978* Returns the correct value according to COS and priority in the
979* sp_pri_cli register for NIG.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000980*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000981******************************************************************************/
982static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
983{
984 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
985 const u8 nig_cos_offset = 3;
986 const u8 nig_pri_offset = 3;
987
988 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
989 nig_pri_offset, 4);
990
991}
992/******************************************************************************
993* Description:
994* Returns the correct value according to COS and priority in the
995* sp_pri_cli register for PBF.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000996*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000997******************************************************************************/
998static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
999{
1000 const u8 pbf_cos_offset = 0;
1001 const u8 pbf_pri_offset = 0;
1002
1003 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
1004 pbf_pri_offset, 3);
1005
1006}
1007
1008/******************************************************************************
1009* Description:
1010* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
1011* according to sp_pri_to_cos.(which COS has higher priority)
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001012*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001013******************************************************************************/
1014static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
1015 u8 *sp_pri_to_cos)
1016{
1017 struct bnx2x *bp = params->bp;
1018 u8 i = 0;
1019 const u8 port = params->port;
1020 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
1021 u64 pri_cli_nig = 0x210;
1022 u32 pri_cli_pbf = 0x0;
1023 u8 pri_set = 0;
1024 u8 pri_bitmask = 0;
1025 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1026 DCBX_E3B0_MAX_NUM_COS_PORT0;
1027
1028 u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
1029
1030 /* Set all the strict priority first */
1031 for (i = 0; i < max_num_of_cos; i++) {
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001032 if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
1033 if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001034 DP(NETIF_MSG_LINK,
1035 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1036 "invalid cos entry\n");
1037 return -EINVAL;
1038 }
1039
1040 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1041 sp_pri_to_cos[i], pri_set);
1042
1043 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1044 sp_pri_to_cos[i], pri_set);
1045 pri_bitmask = 1 << sp_pri_to_cos[i];
1046 /* COS is used remove it from bitmap.*/
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001047 if (!(pri_bitmask & cos_bit_to_set)) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001048 DP(NETIF_MSG_LINK,
1049 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1050 "invalid There can't be two COS's with"
1051 " the same strict pri\n");
1052 return -EINVAL;
1053 }
1054 cos_bit_to_set &= ~pri_bitmask;
1055 pri_set++;
1056 }
1057 }
1058
1059 /* Set all the Non strict priority i= COS*/
1060 for (i = 0; i < max_num_of_cos; i++) {
1061 pri_bitmask = 1 << i;
1062 /* Check if COS was already used for SP */
1063 if (pri_bitmask & cos_bit_to_set) {
1064 /* COS wasn't used for SP */
1065 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1066 i, pri_set);
1067
1068 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1069 i, pri_set);
1070 /* COS is used remove it from bitmap.*/
1071 cos_bit_to_set &= ~pri_bitmask;
1072 pri_set++;
1073 }
1074 }
1075
1076 if (pri_set != max_num_of_cos) {
1077 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
1078 "entries were set\n");
1079 return -EINVAL;
1080 }
1081
1082 if (port) {
1083 /* Only 6 usable clients*/
1084 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1085 (u32)pri_cli_nig);
1086
1087 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
1088 } else {
1089 /* Only 9 usable clients*/
1090 const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
1091 const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
1092
1093 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1094 pri_cli_nig_lsb);
1095 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1096 pri_cli_nig_msb);
1097
1098 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
1099 }
1100 return 0;
1101}
1102
1103/******************************************************************************
1104* Description:
1105* Configure the COS to ETS according to BW and SP settings.
1106******************************************************************************/
1107int bnx2x_ets_e3b0_config(const struct link_params *params,
1108 const struct link_vars *vars,
Yaniv Rosner870516e12011-11-28 00:49:46 +00001109 struct bnx2x_ets_params *ets_params)
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001110{
1111 struct bnx2x *bp = params->bp;
1112 int bnx2x_status = 0;
1113 const u8 port = params->port;
1114 u16 total_bw = 0;
1115 const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
1116 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
1117 u8 cos_bw_bitmap = 0;
1118 u8 cos_sp_bitmap = 0;
1119 u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
1120 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1121 DCBX_E3B0_MAX_NUM_COS_PORT0;
1122 u8 cos_entry = 0;
1123
1124 if (!CHIP_IS_E3B0(bp)) {
Joe Perches94f05b02011-08-14 12:16:20 +00001125 DP(NETIF_MSG_LINK,
1126 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001127 return -EINVAL;
1128 }
1129
1130 if ((ets_params->num_of_cos > max_num_of_cos)) {
1131 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
1132 "isn't supported\n");
1133 return -EINVAL;
1134 }
1135
1136 /* Prepare sp strict priority parameters*/
1137 bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1138
1139 /* Prepare BW parameters*/
1140 bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
1141 &total_bw);
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001142 if (bnx2x_status) {
Joe Perches94f05b02011-08-14 12:16:20 +00001143 DP(NETIF_MSG_LINK,
1144 "bnx2x_ets_E3B0_config get_total_bw failed\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001145 return -EINVAL;
1146 }
1147
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001148 /* Upper bound is set according to current link speed (min_w_val
Yaniv Rosner2f751a82011-11-28 00:49:52 +00001149 * should be the same for upper bound and COS credit val).
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001150 */
1151 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
1152 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1153
1154
1155 for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
1156 if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
1157 cos_bw_bitmap |= (1 << cos_entry);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001158 /* The function also sets the BW in HW(not the mappin
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001159 * yet)
1160 */
1161 bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
1162 bp, cos_entry, min_w_val_nig, min_w_val_pbf,
1163 total_bw,
1164 ets_params->cos[cos_entry].params.bw_params.bw,
1165 port);
1166 } else if (bnx2x_cos_state_strict ==
1167 ets_params->cos[cos_entry].state){
1168 cos_sp_bitmap |= (1 << cos_entry);
1169
1170 bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
1171 params,
1172 sp_pri_to_cos,
1173 ets_params->cos[cos_entry].params.sp_params.pri,
1174 cos_entry);
1175
1176 } else {
Joe Perches94f05b02011-08-14 12:16:20 +00001177 DP(NETIF_MSG_LINK,
1178 "bnx2x_ets_e3b0_config cos state not valid\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001179 return -EINVAL;
1180 }
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001181 if (bnx2x_status) {
Joe Perches94f05b02011-08-14 12:16:20 +00001182 DP(NETIF_MSG_LINK,
1183 "bnx2x_ets_e3b0_config set cos bw failed\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001184 return bnx2x_status;
1185 }
1186 }
1187
1188 /* Set SP register (which COS has higher priority) */
1189 bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
1190 sp_pri_to_cos);
1191
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001192 if (bnx2x_status) {
Joe Perches94f05b02011-08-14 12:16:20 +00001193 DP(NETIF_MSG_LINK,
1194 "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001195 return bnx2x_status;
1196 }
1197
1198 /* Set client mapping of BW and strict */
1199 bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
1200 cos_sp_bitmap,
1201 cos_bw_bitmap);
1202
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001203 if (bnx2x_status) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001204 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
1205 return bnx2x_status;
1206 }
1207 return 0;
1208}
Yaniv Rosner65a001b2011-01-31 04:22:03 +00001209static void bnx2x_ets_bw_limit_common(const struct link_params *params)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001210{
1211 /* ETS disabled configuration */
1212 struct bnx2x *bp = params->bp;
1213 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001214 /* Defines which entries (clients) are subjected to WFQ arbitration
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001215 * COS0 0x8
1216 * COS1 0x10
1217 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001218 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001219 /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001220 * client numbers (WEIGHT_0 does not actually have to represent
1221 * client 0)
1222 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1223 * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
1224 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001225 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
1226
1227 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
1228 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1229 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
1230 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1231
1232 /* ETS mode enabled*/
1233 REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
1234
1235 /* Defines the number of consecutive slots for the strict priority */
1236 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001237 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001238 * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
1239 * entry, 4 - COS1 entry.
1240 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1241 * bit4 bit3 bit2 bit1 bit0
1242 * MCP and debug are strict
1243 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001244 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
1245
1246 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
1247 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
1248 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1249 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
1250 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1251}
1252
1253void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
1254 const u32 cos1_bw)
1255{
1256 /* ETS disabled configuration*/
1257 struct bnx2x *bp = params->bp;
1258 const u32 total_bw = cos0_bw + cos1_bw;
1259 u32 cos0_credit_weight = 0;
1260 u32 cos1_credit_weight = 0;
1261
1262 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1263
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001264 if ((!total_bw) ||
1265 (!cos0_bw) ||
1266 (!cos1_bw)) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001267 DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001268 return;
1269 }
1270
1271 cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1272 total_bw;
1273 cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1274 total_bw;
1275
1276 bnx2x_ets_bw_limit_common(params);
1277
1278 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
1279 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
1280
1281 REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
1282 REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
1283}
1284
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001285int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001286{
1287 /* ETS disabled configuration*/
1288 struct bnx2x *bp = params->bp;
1289 u32 val = 0;
1290
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001291 DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001292 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001293 * as strict. Bits 0,1,2 - debug and management entries,
1294 * 3 - COS0 entry, 4 - COS1 entry.
1295 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1296 * bit4 bit3 bit2 bit1 bit0
1297 * MCP and debug are strict
1298 */
1299 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001300 /* For strict priority entries defines the number of consecutive slots
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001301 * for the highest priority.
1302 */
1303 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1304 /* ETS mode disable */
1305 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
1306 /* Defines the number of consecutive slots for the strict priority */
1307 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
1308
1309 /* Defines the number of consecutive slots for the strict priority */
1310 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
1311
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001312 /* Mapping between entry priority to client number (0,1,2 -debug and
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001313 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
1314 * 3bits client num.
1315 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1316 * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
1317 * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
1318 */
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001319 val = (!strict_cos) ? 0x2318 : 0x22E0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001320 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
1321
1322 return 0;
1323}
Yuval Mintzc8c60d82012-06-06 17:13:07 +00001324
1325/******************************************************************/
Dmitry Kravkove8920672011-05-04 23:52:40 +00001326/* PFC section */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001327/******************************************************************/
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001328static void bnx2x_update_pfc_xmac(struct link_params *params,
1329 struct link_vars *vars,
1330 u8 is_lb)
1331{
1332 struct bnx2x *bp = params->bp;
1333 u32 xmac_base;
1334 u32 pause_val, pfc0_val, pfc1_val;
1335
1336 /* XMAC base adrr */
1337 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1338
1339 /* Initialize pause and pfc registers */
1340 pause_val = 0x18000;
1341 pfc0_val = 0xFFFF8000;
1342 pfc1_val = 0x2;
1343
1344 /* No PFC support */
1345 if (!(params->feature_config_flags &
1346 FEATURE_CONFIG_PFC_ENABLED)) {
1347
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001348 /* RX flow control - Process pause frame in receive direction
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001349 */
1350 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1351 pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
1352
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001353 /* TX flow control - Send pause packet when buffer is full */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001354 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1355 pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
1356 } else {/* PFC support */
1357 pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
1358 XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
1359 XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
Yaniv Rosner27d91292012-04-04 01:28:54 +00001360 XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
1361 XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1362 /* Write pause and PFC registers */
1363 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1364 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1365 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1366 pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1367
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001368 }
1369
1370 /* Write pause and PFC registers */
1371 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1372 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1373 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1374
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001375
1376 /* Set MAC address for source TX Pause/PFC frames */
1377 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
1378 ((params->mac_addr[2] << 24) |
1379 (params->mac_addr[3] << 16) |
1380 (params->mac_addr[4] << 8) |
1381 (params->mac_addr[5])));
1382 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
1383 ((params->mac_addr[0] << 8) |
1384 (params->mac_addr[1])));
1385
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001386 udelay(30);
1387}
1388
1389
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001390static void bnx2x_emac_get_pfc_stat(struct link_params *params,
1391 u32 pfc_frames_sent[2],
1392 u32 pfc_frames_received[2])
1393{
1394 /* Read pfc statistic */
1395 struct bnx2x *bp = params->bp;
1396 u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1397 u32 val_xon = 0;
1398 u32 val_xoff = 0;
1399
1400 DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
1401
1402 /* PFC received frames */
1403 val_xoff = REG_RD(bp, emac_base +
1404 EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
1405 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
1406 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
1407 val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
1408
1409 pfc_frames_received[0] = val_xon + val_xoff;
1410
1411 /* PFC received sent */
1412 val_xoff = REG_RD(bp, emac_base +
1413 EMAC_REG_RX_PFC_STATS_XOFF_SENT);
1414 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
1415 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
1416 val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
1417
1418 pfc_frames_sent[0] = val_xon + val_xoff;
1419}
1420
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001421/* Read pfc statistic*/
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001422void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
1423 u32 pfc_frames_sent[2],
1424 u32 pfc_frames_received[2])
1425{
1426 /* Read pfc statistic */
1427 struct bnx2x *bp = params->bp;
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001428
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001429 DP(NETIF_MSG_LINK, "pfc statistic\n");
1430
1431 if (!vars->link_up)
1432 return;
1433
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001434 if (vars->mac_type == MAC_TYPE_EMAC) {
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001435 DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001436 bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
1437 pfc_frames_received);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001438 }
1439}
1440/******************************************************************/
1441/* MAC/PBF section */
1442/******************************************************************/
Yaniv Rosnera198c142011-05-31 21:29:42 +00001443static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
1444{
1445 u32 mode, emac_base;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001446 /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
Yaniv Rosnera198c142011-05-31 21:29:42 +00001447 * (a value of 49==0x31) and make sure that the AUTO poll is off
1448 */
1449
1450 if (CHIP_IS_E2(bp))
1451 emac_base = GRCBASE_EMAC0;
1452 else
1453 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1454 mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
1455 mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
1456 EMAC_MDIO_MODE_CLOCK_CNT);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00001457 if (USES_WARPCORE(bp))
1458 mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
1459 else
1460 mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
Yaniv Rosnera198c142011-05-31 21:29:42 +00001461
1462 mode |= (EMAC_MDIO_MODE_CLAUSE_45);
1463 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
1464
1465 udelay(40);
1466}
Yaniv Rosner2f751a82011-11-28 00:49:52 +00001467static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
1468{
1469 u32 port4mode_ovwr_val;
1470 /* Check 4-port override enabled */
1471 port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
1472 if (port4mode_ovwr_val & (1<<0)) {
1473 /* Return 4-port mode override value */
1474 return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
1475 }
1476 /* Return 4-port mode from input pin */
1477 return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
1478}
Yaniv Rosnera198c142011-05-31 21:29:42 +00001479
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001480static void bnx2x_emac_init(struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001481 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001482{
1483 /* reset and unreset the emac core */
1484 struct bnx2x *bp = params->bp;
1485 u8 port = params->port;
1486 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1487 u32 val;
1488 u16 timeout;
1489
1490 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001491 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001492 udelay(5);
1493 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001494 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001495
1496 /* init emac - use read-modify-write */
1497 /* self clear reset */
1498 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
Eilon Greenstein3196a882008-08-13 15:58:49 -07001499 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001500
1501 timeout = 200;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001502 do {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001503 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1504 DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
1505 if (!timeout) {
1506 DP(NETIF_MSG_LINK, "EMAC timeout!\n");
1507 return;
1508 }
1509 timeout--;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001510 } while (val & EMAC_MODE_RESET);
Yaniv Rosnera198c142011-05-31 21:29:42 +00001511 bnx2x_set_mdio_clk(bp, params->chip_id, port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001512 /* Set mac address */
1513 val = ((params->mac_addr[0] << 8) |
1514 params->mac_addr[1]);
Eilon Greenstein3196a882008-08-13 15:58:49 -07001515 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001516
1517 val = ((params->mac_addr[2] << 24) |
1518 (params->mac_addr[3] << 16) |
1519 (params->mac_addr[4] << 8) |
1520 params->mac_addr[5]);
Eilon Greenstein3196a882008-08-13 15:58:49 -07001521 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001522}
1523
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001524static void bnx2x_set_xumac_nig(struct link_params *params,
1525 u16 tx_pause_en,
1526 u8 enable)
1527{
1528 struct bnx2x *bp = params->bp;
1529
1530 REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
1531 enable);
1532 REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
1533 enable);
1534 REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
1535 NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
1536}
1537
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001538static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001539{
1540 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001541 u32 val;
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001542 struct bnx2x *bp = params->bp;
1543 if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
1544 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
1545 return;
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001546 val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
1547 if (en)
1548 val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
1549 UMAC_COMMAND_CONFIG_REG_RX_ENA);
1550 else
1551 val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
1552 UMAC_COMMAND_CONFIG_REG_RX_ENA);
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001553 /* Disable RX and TX */
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001554 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001555}
1556
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001557static void bnx2x_umac_enable(struct link_params *params,
1558 struct link_vars *vars, u8 lb)
1559{
1560 u32 val;
1561 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1562 struct bnx2x *bp = params->bp;
1563 /* Reset UMAC */
1564 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1565 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
Yuval Mintzd2310232012-06-20 19:05:19 +00001566 usleep_range(1000, 2000);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001567
1568 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1569 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1570
1571 DP(NETIF_MSG_LINK, "enabling UMAC\n");
1572
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001573 /* This register opens the gate for the UMAC despite its name */
1574 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
1575
1576 val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
1577 UMAC_COMMAND_CONFIG_REG_PAD_EN |
1578 UMAC_COMMAND_CONFIG_REG_SW_RESET |
1579 UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
1580 switch (vars->line_speed) {
1581 case SPEED_10:
1582 val |= (0<<2);
1583 break;
1584 case SPEED_100:
1585 val |= (1<<2);
1586 break;
1587 case SPEED_1000:
1588 val |= (2<<2);
1589 break;
1590 case SPEED_2500:
1591 val |= (3<<2);
1592 break;
1593 default:
1594 DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
1595 vars->line_speed);
1596 break;
1597 }
Yaniv Rosner9d5b36b2011-08-02 22:59:10 +00001598 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1599 val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
1600
1601 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1602 val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
1603
Mintz Yuvale18c56b2012-02-15 02:10:23 +00001604 if (vars->duplex == DUPLEX_HALF)
1605 val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
1606
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001607 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1608 udelay(50);
1609
Yuval Mintz26964bb2012-09-10 05:51:08 +00001610 /* Configure UMAC for EEE */
1611 if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1612 DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
1613 REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
1614 UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
1615 REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
1616 } else {
1617 REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
1618 }
1619
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001620 /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
1621 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
1622 ((params->mac_addr[2] << 24) |
1623 (params->mac_addr[3] << 16) |
1624 (params->mac_addr[4] << 8) |
1625 (params->mac_addr[5])));
1626 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
1627 ((params->mac_addr[0] << 8) |
1628 (params->mac_addr[1])));
1629
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001630 /* Enable RX and TX */
1631 val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
1632 val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00001633 UMAC_COMMAND_CONFIG_REG_RX_ENA;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001634 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1635 udelay(50);
1636
1637 /* Remove SW Reset */
1638 val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
1639
1640 /* Check loopback mode */
1641 if (lb)
1642 val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
1643 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1644
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001645 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001646 * length used by the MAC receive logic to check frames.
1647 */
1648 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
1649 bnx2x_set_xumac_nig(params,
1650 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1651 vars->mac_type = MAC_TYPE_UMAC;
1652
1653}
1654
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001655/* Define the XMAC mode */
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001656static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001657{
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001658 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001659 u32 is_port4mode = bnx2x_is_4_port_mode(bp);
1660
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001661 /* In 4-port mode, need to set the mode only once, so if XMAC is
Yaniv Rosner2f751a82011-11-28 00:49:52 +00001662 * already out of reset, it means the mode has already been set,
1663 * and it must not* reset the XMAC again, since it controls both
1664 * ports of the path
1665 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001666
Yuval Mintzc3def942012-07-23 10:25:43 +03001667 if ((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) &&
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001668 (REG_RD(bp, MISC_REG_RESET_REG_2) &
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001669 MISC_REGISTERS_RESET_REG_2_XMAC)) {
Joe Perches94f05b02011-08-14 12:16:20 +00001670 DP(NETIF_MSG_LINK,
1671 "XMAC already out of reset in 4-port mode\n");
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001672 return;
1673 }
1674
1675 /* Hard reset */
1676 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1677 MISC_REGISTERS_RESET_REG_2_XMAC);
Yuval Mintzd2310232012-06-20 19:05:19 +00001678 usleep_range(1000, 2000);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001679
1680 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1681 MISC_REGISTERS_RESET_REG_2_XMAC);
1682 if (is_port4mode) {
1683 DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
1684
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001685 /* Set the number of ports on the system side to up to 2 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001686 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
1687
1688 /* Set the number of ports on the Warp Core to 10G */
1689 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1690 } else {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001691 /* Set the number of ports on the system side to 1 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001692 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
1693 if (max_speed == SPEED_10000) {
Joe Perches94f05b02011-08-14 12:16:20 +00001694 DP(NETIF_MSG_LINK,
1695 "Init XMAC to 10G x 1 port per path\n");
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001696 /* Set the number of ports on the Warp Core to 10G */
1697 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1698 } else {
Joe Perches94f05b02011-08-14 12:16:20 +00001699 DP(NETIF_MSG_LINK,
1700 "Init XMAC to 20G x 2 ports per path\n");
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001701 /* Set the number of ports on the Warp Core to 20G */
1702 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
1703 }
1704 }
1705 /* Soft reset */
1706 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1707 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
Yuval Mintzd2310232012-06-20 19:05:19 +00001708 usleep_range(1000, 2000);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001709
1710 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1711 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1712
1713}
1714
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001715static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001716{
1717 u8 port = params->port;
1718 struct bnx2x *bp = params->bp;
Yaniv Rosnerb5077662011-08-02 22:59:18 +00001719 u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001720 u32 val;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001721
1722 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1723 MISC_REGISTERS_RESET_REG_2_XMAC) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001724 /* Send an indication to change the state in the NIG back to XON
Yaniv Rosnerb5077662011-08-02 22:59:18 +00001725 * Clearing this bit enables the next set of this bit to get
1726 * rising edge
1727 */
1728 pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
1729 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1730 (pfc_ctrl & ~(1<<1)));
1731 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1732 (pfc_ctrl | (1<<1)));
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001733 DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00001734 val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
1735 if (en)
1736 val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1737 else
1738 val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1739 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001740 }
1741}
1742
1743static int bnx2x_xmac_enable(struct link_params *params,
1744 struct link_vars *vars, u8 lb)
1745{
1746 u32 val, xmac_base;
1747 struct bnx2x *bp = params->bp;
1748 DP(NETIF_MSG_LINK, "enabling XMAC\n");
1749
1750 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1751
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001752 bnx2x_xmac_init(params, vars->line_speed);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001753
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001754 /* This register determines on which events the MAC will assert
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001755 * error on the i/f to the NIG along w/ EOP.
1756 */
1757
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001758 /* This register tells the NIG whether to send traffic to UMAC
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001759 * or XMAC
1760 */
1761 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
1762
1763 /* Set Max packet size */
1764 REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
1765
1766 /* CRC append for Tx packets */
1767 REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
1768
1769 /* update PFC */
1770 bnx2x_update_pfc_xmac(params, vars, 0);
1771
Yuval Mintzc8c60d82012-06-06 17:13:07 +00001772 if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1773 DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
1774 REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
1775 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
1776 } else {
1777 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
1778 }
1779
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001780 /* Enable TX and RX */
1781 val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
1782
1783 /* Check loopback mode */
1784 if (lb)
David S. Miller8decf862011-09-22 03:23:13 -04001785 val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001786 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1787 bnx2x_set_xumac_nig(params,
1788 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1789
1790 vars->mac_type = MAC_TYPE_XMAC;
1791
1792 return 0;
1793}
Yaniv Rosner2f751a82011-11-28 00:49:52 +00001794
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001795static int bnx2x_emac_enable(struct link_params *params,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00001796 struct link_vars *vars, u8 lb)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001797{
1798 struct bnx2x *bp = params->bp;
1799 u8 port = params->port;
1800 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1801 u32 val;
1802
1803 DP(NETIF_MSG_LINK, "enabling EMAC\n");
1804
Yaniv Rosnerde6f3372011-08-02 22:59:25 +00001805 /* Disable BMAC */
1806 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1807 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1808
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001809 /* enable emac and not bmac */
1810 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
1811
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001812 /* ASIC */
1813 if (vars->phy_flags & PHY_XGXS_FLAG) {
1814 u32 ser_lane = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001815 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1816 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001817
1818 DP(NETIF_MSG_LINK, "XGXS\n");
1819 /* select the master lanes (out of 0-3) */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001820 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001821 /* select XGXS */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001822 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001823
1824 } else { /* SerDes */
1825 DP(NETIF_MSG_LINK, "SerDes\n");
1826 /* select SerDes */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001827 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001828 }
1829
Eilon Greenstein811a2f22009-02-12 08:37:04 +00001830 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001831 EMAC_RX_MODE_RESET);
Eilon Greenstein811a2f22009-02-12 08:37:04 +00001832 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001833 EMAC_TX_MODE_RESET);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001834
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001835 /* pause enable/disable */
1836 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1837 EMAC_RX_MODE_FLOW_EN);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001838
1839 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001840 (EMAC_TX_MODE_EXT_PAUSE_EN |
1841 EMAC_TX_MODE_FLOW_EN));
1842 if (!(params->feature_config_flags &
1843 FEATURE_CONFIG_PFC_ENABLED)) {
1844 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1845 bnx2x_bits_en(bp, emac_base +
1846 EMAC_REG_EMAC_RX_MODE,
1847 EMAC_RX_MODE_FLOW_EN);
1848
1849 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1850 bnx2x_bits_en(bp, emac_base +
1851 EMAC_REG_EMAC_TX_MODE,
1852 (EMAC_TX_MODE_EXT_PAUSE_EN |
1853 EMAC_TX_MODE_FLOW_EN));
1854 } else
1855 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1856 EMAC_TX_MODE_FLOW_EN);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001857
1858 /* KEEP_VLAN_TAG, promiscuous */
1859 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
1860 val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001861
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001862 /* Setting this bit causes MAC control frames (except for pause
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001863 * frames) to be passed on for processing. This setting has no
1864 * affect on the operation of the pause frames. This bit effects
1865 * all packets regardless of RX Parser packet sorting logic.
1866 * Turn the PFC off to make sure we are in Xon state before
1867 * enabling it.
1868 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001869 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
1870 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1871 DP(NETIF_MSG_LINK, "PFC is enabled\n");
1872 /* Enable PFC again */
1873 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
1874 EMAC_REG_RX_PFC_MODE_RX_EN |
1875 EMAC_REG_RX_PFC_MODE_TX_EN |
1876 EMAC_REG_RX_PFC_MODE_PRIORITIES);
1877
1878 EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
1879 ((0x0101 <<
1880 EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
1881 (0x00ff <<
1882 EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
1883 val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
1884 }
Eilon Greenstein3196a882008-08-13 15:58:49 -07001885 EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001886
1887 /* Set Loopback */
1888 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1889 if (lb)
1890 val |= 0x810;
1891 else
1892 val &= ~0x810;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001893 EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001894
Yuval Mintzd2310232012-06-20 19:05:19 +00001895 /* Enable emac */
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001896 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
1897
Yuval Mintzd2310232012-06-20 19:05:19 +00001898 /* Enable emac for jumbo packets */
Eilon Greenstein3196a882008-08-13 15:58:49 -07001899 EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001900 (EMAC_RX_MTU_SIZE_JUMBO_ENA |
1901 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
1902
Yuval Mintzd2310232012-06-20 19:05:19 +00001903 /* Strip CRC */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001904 REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
1905
Yuval Mintzd2310232012-06-20 19:05:19 +00001906 /* Disable the NIG in/out to the bmac */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001907 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
1908 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
1909 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
1910
Yuval Mintzd2310232012-06-20 19:05:19 +00001911 /* Enable the NIG in/out to the emac */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001912 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
1913 val = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001914 if ((params->feature_config_flags &
1915 FEATURE_CONFIG_PFC_ENABLED) ||
1916 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001917 val = 1;
1918
1919 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
1920 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
1921
Yaniv Rosner02a23162011-01-31 04:22:53 +00001922 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001923
1924 vars->mac_type = MAC_TYPE_EMAC;
1925 return 0;
1926}
1927
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001928static void bnx2x_update_pfc_bmac1(struct link_params *params,
1929 struct link_vars *vars)
1930{
1931 u32 wb_data[2];
1932 struct bnx2x *bp = params->bp;
1933 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1934 NIG_REG_INGRESS_BMAC0_MEM;
1935
1936 u32 val = 0x14;
1937 if ((!(params->feature_config_flags &
1938 FEATURE_CONFIG_PFC_ENABLED)) &&
1939 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1940 /* Enable BigMAC to react on received Pause packets */
1941 val |= (1<<5);
1942 wb_data[0] = val;
1943 wb_data[1] = 0;
1944 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
1945
Yuval Mintzd2310232012-06-20 19:05:19 +00001946 /* TX control */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001947 val = 0xc0;
1948 if (!(params->feature_config_flags &
1949 FEATURE_CONFIG_PFC_ENABLED) &&
1950 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1951 val |= 0x800000;
1952 wb_data[0] = val;
1953 wb_data[1] = 0;
1954 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
1955}
1956
1957static void bnx2x_update_pfc_bmac2(struct link_params *params,
1958 struct link_vars *vars,
1959 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001960{
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001961 /* Set rx control: Strip CRC and enable BigMAC to relay
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001962 * control packets to the system as well
1963 */
1964 u32 wb_data[2];
1965 struct bnx2x *bp = params->bp;
1966 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1967 NIG_REG_INGRESS_BMAC0_MEM;
1968 u32 val = 0x14;
1969
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001970 if ((!(params->feature_config_flags &
1971 FEATURE_CONFIG_PFC_ENABLED)) &&
1972 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001973 /* Enable BigMAC to react on received Pause packets */
1974 val |= (1<<5);
1975 wb_data[0] = val;
1976 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001977 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001978 udelay(30);
1979
1980 /* Tx control */
1981 val = 0xc0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001982 if (!(params->feature_config_flags &
1983 FEATURE_CONFIG_PFC_ENABLED) &&
1984 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001985 val |= 0x800000;
1986 wb_data[0] = val;
1987 wb_data[1] = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001988 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001989
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001990 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1991 DP(NETIF_MSG_LINK, "PFC is enabled\n");
1992 /* Enable PFC RX & TX & STATS and set 8 COS */
1993 wb_data[0] = 0x0;
1994 wb_data[0] |= (1<<0); /* RX */
1995 wb_data[0] |= (1<<1); /* TX */
1996 wb_data[0] |= (1<<2); /* Force initial Xon */
1997 wb_data[0] |= (1<<3); /* 8 cos */
1998 wb_data[0] |= (1<<5); /* STATS */
1999 wb_data[1] = 0;
2000 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
2001 wb_data, 2);
2002 /* Clear the force Xon */
2003 wb_data[0] &= ~(1<<2);
2004 } else {
2005 DP(NETIF_MSG_LINK, "PFC is disabled\n");
Yuval Mintzd2310232012-06-20 19:05:19 +00002006 /* Disable PFC RX & TX & STATS and set 8 COS */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002007 wb_data[0] = 0x8;
2008 wb_data[1] = 0;
2009 }
2010
2011 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
2012
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002013 /* Set Time (based unit is 512 bit time) between automatic
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002014 * re-sending of PP packets amd enable automatic re-send of
2015 * Per-Priroity Packet as long as pp_gen is asserted and
2016 * pp_disable is low.
2017 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002018 val = 0x8000;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002019 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2020 val |= (1<<16); /* enable automatic re-send */
2021
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002022 wb_data[0] = val;
2023 wb_data[1] = 0;
2024 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002025 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002026
2027 /* mac control */
2028 val = 0x3; /* Enable RX and TX */
2029 if (is_lb) {
2030 val |= 0x4; /* Local loopback */
2031 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2032 }
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002033 /* When PFC enabled, Pass pause frames towards the NIG. */
2034 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2035 val |= ((1<<6)|(1<<5));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002036
2037 wb_data[0] = val;
2038 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002039 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002040}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002041
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002042/******************************************************************************
2043* Description:
2044* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2045* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2046******************************************************************************/
Yuval Mintzd2310232012-06-20 19:05:19 +00002047static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
2048 u8 cos_entry,
2049 u32 priority_mask, u8 port)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002050{
2051 u32 nig_reg_rx_priority_mask_add = 0;
2052
2053 switch (cos_entry) {
2054 case 0:
2055 nig_reg_rx_priority_mask_add = (port) ?
2056 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2057 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2058 break;
2059 case 1:
2060 nig_reg_rx_priority_mask_add = (port) ?
2061 NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2062 NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2063 break;
2064 case 2:
2065 nig_reg_rx_priority_mask_add = (port) ?
2066 NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2067 NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2068 break;
2069 case 3:
2070 if (port)
2071 return -EINVAL;
2072 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2073 break;
2074 case 4:
2075 if (port)
2076 return -EINVAL;
2077 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2078 break;
2079 case 5:
2080 if (port)
2081 return -EINVAL;
2082 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2083 break;
2084 }
2085
2086 REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
2087
2088 return 0;
2089}
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00002090static void bnx2x_update_mng(struct link_params *params, u32 link_status)
2091{
2092 struct bnx2x *bp = params->bp;
2093
2094 REG_WR(bp, params->shmem_base +
2095 offsetof(struct shmem_region,
2096 port_mb[params->port].link_status), link_status);
2097}
2098
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002099static void bnx2x_update_pfc_nig(struct link_params *params,
2100 struct link_vars *vars,
2101 struct bnx2x_nig_brb_pfc_port_params *nig_params)
2102{
2103 u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
Yaniv Rosner127302b2012-01-17 02:33:26 +00002104 u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002105 u32 pkt_priority_to_cos = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002106 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002107 u8 port = params->port;
2108
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002109 int set_pfc = params->feature_config_flags &
2110 FEATURE_CONFIG_PFC_ENABLED;
2111 DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
2112
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002113 /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002114 * MAC control frames (that are not pause packets)
2115 * will be forwarded to the XCM.
2116 */
Yaniv Rosner127302b2012-01-17 02:33:26 +00002117 xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
2118 NIG_REG_LLH0_XCM_MASK);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002119 /* NIG params will override non PFC params, since it's possible to
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002120 * do transition from PFC to SAFC
2121 */
2122 if (set_pfc) {
2123 pause_enable = 0;
2124 llfc_out_en = 0;
2125 llfc_enable = 0;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002126 if (CHIP_IS_E3(bp))
2127 ppp_enable = 0;
2128 else
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002129 ppp_enable = 1;
2130 xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2131 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
Yaniv Rosner127302b2012-01-17 02:33:26 +00002132 xcm_out_en = 0;
2133 hwpfc_enable = 1;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002134 } else {
2135 if (nig_params) {
2136 llfc_out_en = nig_params->llfc_out_en;
2137 llfc_enable = nig_params->llfc_enable;
2138 pause_enable = nig_params->pause_enable;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002139 } else /* Default non PFC mode - PAUSE */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002140 pause_enable = 1;
2141
2142 xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2143 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
Yaniv Rosner127302b2012-01-17 02:33:26 +00002144 xcm_out_en = 1;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002145 }
2146
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002147 if (CHIP_IS_E3(bp))
2148 REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2149 NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002150 REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
2151 NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2152 REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
2153 NIG_REG_LLFC_ENABLE_0, llfc_enable);
2154 REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
2155 NIG_REG_PAUSE_ENABLE_0, pause_enable);
2156
2157 REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
2158 NIG_REG_PPP_ENABLE_0, ppp_enable);
2159
2160 REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
2161 NIG_REG_LLH0_XCM_MASK, xcm_mask);
2162
Yaniv Rosner127302b2012-01-17 02:33:26 +00002163 REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
2164 NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002165
Yuval Mintzd2310232012-06-20 19:05:19 +00002166 /* Output enable for RX_XCM # IF */
Yaniv Rosner127302b2012-01-17 02:33:26 +00002167 REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
2168 NIG_REG_XCM0_OUT_EN, xcm_out_en);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002169
2170 /* HW PFC TX enable */
Yaniv Rosner127302b2012-01-17 02:33:26 +00002171 REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
2172 NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002173
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002174 if (nig_params) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002175 u8 i = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002176 pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
2177
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002178 for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
2179 bnx2x_pfc_nig_rx_priority_mask(bp, i,
2180 nig_params->rx_cos_priority_mask[i], port);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002181
2182 REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
2183 NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
2184 nig_params->llfc_high_priority_classes);
2185
2186 REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
2187 NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
2188 nig_params->llfc_low_priority_classes);
2189 }
2190 REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
2191 NIG_REG_P0_PKT_PRIORITY_TO_COS,
2192 pkt_priority_to_cos);
2193}
2194
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002195int bnx2x_update_pfc(struct link_params *params,
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002196 struct link_vars *vars,
2197 struct bnx2x_nig_brb_pfc_port_params *pfc_params)
2198{
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002199 /* The PFC and pause are orthogonal to one another, meaning when
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002200 * PFC is enabled, the pause are disabled, and when PFC is
2201 * disabled, pause are set according to the pause result.
2202 */
2203 u32 val;
2204 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002205 int bnx2x_status = 0;
2206 u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00002207
2208 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2209 vars->link_status |= LINK_STATUS_PFC_ENABLED;
2210 else
2211 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
2212
2213 bnx2x_update_mng(params, vars->link_status);
2214
Yuval Mintzd2310232012-06-20 19:05:19 +00002215 /* Update NIG params */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002216 bnx2x_update_pfc_nig(params, vars, pfc_params);
2217
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002218 if (!vars->link_up)
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002219 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002220
2221 DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
Yaniv Rosner375944c2012-09-11 04:34:10 +00002222
2223 if (CHIP_IS_E3(bp)) {
2224 if (vars->mac_type == MAC_TYPE_XMAC)
2225 bnx2x_update_pfc_xmac(params, vars, 0);
2226 } else {
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002227 val = REG_RD(bp, MISC_REG_RESET_REG_2);
2228 if ((val &
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00002229 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002230 == 0) {
2231 DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
2232 bnx2x_emac_enable(params, vars, 0);
2233 return bnx2x_status;
2234 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002235 if (CHIP_IS_E2(bp))
2236 bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
2237 else
2238 bnx2x_update_pfc_bmac1(params, vars);
2239
2240 val = 0;
2241 if ((params->feature_config_flags &
2242 FEATURE_CONFIG_PFC_ENABLED) ||
2243 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2244 val = 1;
2245 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2246 }
2247 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002248}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002249
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002250
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002251static int bnx2x_bmac1_enable(struct link_params *params,
2252 struct link_vars *vars,
2253 u8 is_lb)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002254{
2255 struct bnx2x *bp = params->bp;
2256 u8 port = params->port;
2257 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2258 NIG_REG_INGRESS_BMAC0_MEM;
2259 u32 wb_data[2];
2260 u32 val;
2261
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002262 DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002263
2264 /* XGXS control */
2265 wb_data[0] = 0x3c;
2266 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002267 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2268 wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002269
Yuval Mintzd2310232012-06-20 19:05:19 +00002270 /* TX MAC SA */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002271 wb_data[0] = ((params->mac_addr[2] << 24) |
2272 (params->mac_addr[3] << 16) |
2273 (params->mac_addr[4] << 8) |
2274 params->mac_addr[5]);
2275 wb_data[1] = ((params->mac_addr[0] << 8) |
2276 params->mac_addr[1]);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002277 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002278
Yuval Mintzd2310232012-06-20 19:05:19 +00002279 /* MAC control */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002280 val = 0x3;
2281 if (is_lb) {
2282 val |= 0x4;
2283 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2284 }
2285 wb_data[0] = val;
2286 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002287 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002288
Yuval Mintzd2310232012-06-20 19:05:19 +00002289 /* Set rx mtu */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002290 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2291 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002292 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002293
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002294 bnx2x_update_pfc_bmac1(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002295
Yuval Mintzd2310232012-06-20 19:05:19 +00002296 /* Set tx mtu */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002297 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2298 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002299 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002300
Yuval Mintzd2310232012-06-20 19:05:19 +00002301 /* Set cnt max size */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002302 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2303 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002304 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002305
Yuval Mintzd2310232012-06-20 19:05:19 +00002306 /* Configure SAFC */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002307 wb_data[0] = 0x1000200;
2308 wb_data[1] = 0;
2309 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2310 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002311
2312 return 0;
2313}
2314
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002315static int bnx2x_bmac2_enable(struct link_params *params,
2316 struct link_vars *vars,
2317 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002318{
2319 struct bnx2x *bp = params->bp;
2320 u8 port = params->port;
2321 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2322 NIG_REG_INGRESS_BMAC0_MEM;
2323 u32 wb_data[2];
2324
2325 DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
2326
2327 wb_data[0] = 0;
2328 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002329 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002330 udelay(30);
2331
2332 /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2333 wb_data[0] = 0x3c;
2334 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002335 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2336 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002337
2338 udelay(30);
2339
Yuval Mintzd2310232012-06-20 19:05:19 +00002340 /* TX MAC SA */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002341 wb_data[0] = ((params->mac_addr[2] << 24) |
2342 (params->mac_addr[3] << 16) |
2343 (params->mac_addr[4] << 8) |
2344 params->mac_addr[5]);
2345 wb_data[1] = ((params->mac_addr[0] << 8) |
2346 params->mac_addr[1]);
2347 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002348 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002349
2350 udelay(30);
2351
2352 /* Configure SAFC */
2353 wb_data[0] = 0x1000200;
2354 wb_data[1] = 0;
2355 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002356 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002357 udelay(30);
2358
Yuval Mintzd2310232012-06-20 19:05:19 +00002359 /* Set RX MTU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002360 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2361 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002362 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002363 udelay(30);
2364
Yuval Mintzd2310232012-06-20 19:05:19 +00002365 /* Set TX MTU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002366 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2367 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002368 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002369 udelay(30);
Yuval Mintzd2310232012-06-20 19:05:19 +00002370 /* Set cnt max size */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002371 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
2372 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002373 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002374 udelay(30);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002375 bnx2x_update_pfc_bmac2(params, vars, is_lb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002376
2377 return 0;
2378}
2379
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002380static int bnx2x_bmac_enable(struct link_params *params,
2381 struct link_vars *vars,
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00002382 u8 is_lb, u8 reset_bmac)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002383{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002384 int rc = 0;
2385 u8 port = params->port;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002386 struct bnx2x *bp = params->bp;
2387 u32 val;
Yuval Mintzd2310232012-06-20 19:05:19 +00002388 /* Reset and unreset the BigMac */
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00002389 if (reset_bmac) {
2390 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2391 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2392 usleep_range(1000, 2000);
2393 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002394
2395 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002396 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002397
Yuval Mintzd2310232012-06-20 19:05:19 +00002398 /* Enable access for bmac registers */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002399 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2400
2401 /* Enable BMAC according to BMAC type*/
2402 if (CHIP_IS_E2(bp))
2403 rc = bnx2x_bmac2_enable(params, vars, is_lb);
2404 else
2405 rc = bnx2x_bmac1_enable(params, vars, is_lb);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002406 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2407 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2408 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2409 val = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002410 if ((params->feature_config_flags &
2411 FEATURE_CONFIG_PFC_ENABLED) ||
2412 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002413 val = 1;
2414 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2415 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2416 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2417 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2418 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2419 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2420
2421 vars->mac_type = MAC_TYPE_BMAC;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002422 return rc;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002423}
2424
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00002425static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002426{
2427 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002428 NIG_REG_INGRESS_BMAC0_MEM;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002429 u32 wb_data[2];
Eilon Greenstein3196a882008-08-13 15:58:49 -07002430 u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002431
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00002432 if (CHIP_IS_E2(bp))
2433 bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
2434 else
2435 bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002436 /* Only if the bmac is out of reset */
2437 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
2438 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2439 nig_bmac_enable) {
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00002440 /* Clear Rx Enable bit in BMAC_CONTROL register */
2441 REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
2442 if (en)
2443 wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
2444 else
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002445 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00002446 REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
Yuval Mintzd2310232012-06-20 19:05:19 +00002447 usleep_range(1000, 2000);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002448 }
2449}
2450
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002451static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
2452 u32 line_speed)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002453{
2454 struct bnx2x *bp = params->bp;
2455 u8 port = params->port;
2456 u32 init_crd, crd;
2457 u32 count = 1000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002458
Yuval Mintzd2310232012-06-20 19:05:19 +00002459 /* Disable port */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002460 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2461
Yuval Mintzd2310232012-06-20 19:05:19 +00002462 /* Wait for init credit */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002463 init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
2464 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2465 DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
2466
2467 while ((init_crd != crd) && count) {
Yuval Mintzd2310232012-06-20 19:05:19 +00002468 usleep_range(5000, 10000);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002469 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2470 count--;
2471 }
2472 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2473 if (init_crd != crd) {
2474 DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
2475 init_crd, crd);
2476 return -EINVAL;
2477 }
2478
David S. Millerc0700f92008-12-16 23:53:20 -08002479 if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002480 line_speed == SPEED_10 ||
2481 line_speed == SPEED_100 ||
2482 line_speed == SPEED_1000 ||
2483 line_speed == SPEED_2500) {
2484 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
Yuval Mintzd2310232012-06-20 19:05:19 +00002485 /* Update threshold */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002486 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
Yuval Mintzd2310232012-06-20 19:05:19 +00002487 /* Update init credit */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002488 init_crd = 778; /* (800-18-4) */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002489
2490 } else {
2491 u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
2492 ETH_OVREHEAD)/16;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002493 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Yuval Mintzd2310232012-06-20 19:05:19 +00002494 /* Update threshold */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002495 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
Yuval Mintzd2310232012-06-20 19:05:19 +00002496 /* Update init credit */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002497 switch (line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002498 case SPEED_10000:
2499 init_crd = thresh + 553 - 22;
2500 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002501 default:
2502 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2503 line_speed);
2504 return -EINVAL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002505 }
2506 }
2507 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2508 DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
2509 line_speed, init_crd);
2510
Yuval Mintzd2310232012-06-20 19:05:19 +00002511 /* Probe the credit changes */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002512 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
Yuval Mintzd2310232012-06-20 19:05:19 +00002513 usleep_range(5000, 10000);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002514 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
2515
Yuval Mintzd2310232012-06-20 19:05:19 +00002516 /* Enable port */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002517 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2518 return 0;
2519}
2520
Dmitry Kravkove8920672011-05-04 23:52:40 +00002521/**
2522 * bnx2x_get_emac_base - retrive emac base address
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002523 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00002524 * @bp: driver handle
2525 * @mdc_mdio_access: access type
2526 * @port: port id
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002527 *
2528 * This function selects the MDC/MDIO access (through emac0 or
2529 * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2530 * phy has a default access mode, which could also be overridden
2531 * by nvram configuration. This parameter, whether this is the
2532 * default phy configuration, or the nvram overrun
2533 * configuration, is passed here as mdc_mdio_access and selects
2534 * the emac_base for the CL45 read/writes operations
2535 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002536static u32 bnx2x_get_emac_base(struct bnx2x *bp,
2537 u32 mdc_mdio_access, u8 port)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002538{
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002539 u32 emac_base = 0;
2540 switch (mdc_mdio_access) {
2541 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
2542 break;
2543 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
2544 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2545 emac_base = GRCBASE_EMAC1;
2546 else
2547 emac_base = GRCBASE_EMAC0;
2548 break;
2549 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
Eilon Greenstein589abe32009-02-12 08:36:55 +00002550 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2551 emac_base = GRCBASE_EMAC0;
2552 else
2553 emac_base = GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002554 break;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002555 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
2556 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2557 break;
2558 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
Eilon Greenstein6378c022008-08-13 15:59:25 -07002559 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002560 break;
2561 default:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002562 break;
2563 }
2564 return emac_base;
2565
2566}
2567
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002568/******************************************************************/
Yaniv Rosner6583e332011-06-14 01:34:17 +00002569/* CL22 access functions */
2570/******************************************************************/
2571static int bnx2x_cl22_write(struct bnx2x *bp,
2572 struct bnx2x_phy *phy,
2573 u16 reg, u16 val)
2574{
2575 u32 tmp, mode;
2576 u8 i;
2577 int rc = 0;
2578 /* Switch to CL22 */
2579 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2580 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2581 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2582
Yuval Mintzd2310232012-06-20 19:05:19 +00002583 /* Address */
Yaniv Rosner6583e332011-06-14 01:34:17 +00002584 tmp = ((phy->addr << 21) | (reg << 16) | val |
2585 EMAC_MDIO_COMM_COMMAND_WRITE_22 |
2586 EMAC_MDIO_COMM_START_BUSY);
2587 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2588
2589 for (i = 0; i < 50; i++) {
2590 udelay(10);
2591
2592 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2593 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2594 udelay(5);
2595 break;
2596 }
2597 }
2598 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2599 DP(NETIF_MSG_LINK, "write phy register failed\n");
2600 rc = -EFAULT;
2601 }
2602 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2603 return rc;
2604}
2605
2606static int bnx2x_cl22_read(struct bnx2x *bp,
2607 struct bnx2x_phy *phy,
2608 u16 reg, u16 *ret_val)
2609{
2610 u32 val, mode;
2611 u16 i;
2612 int rc = 0;
2613
2614 /* Switch to CL22 */
2615 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2616 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2617 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2618
Yuval Mintzd2310232012-06-20 19:05:19 +00002619 /* Address */
Yaniv Rosner6583e332011-06-14 01:34:17 +00002620 val = ((phy->addr << 21) | (reg << 16) |
2621 EMAC_MDIO_COMM_COMMAND_READ_22 |
2622 EMAC_MDIO_COMM_START_BUSY);
2623 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2624
2625 for (i = 0; i < 50; i++) {
2626 udelay(10);
2627
2628 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2629 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2630 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2631 udelay(5);
2632 break;
2633 }
2634 }
2635 if (val & EMAC_MDIO_COMM_START_BUSY) {
2636 DP(NETIF_MSG_LINK, "read phy register failed\n");
2637
2638 *ret_val = 0;
2639 rc = -EFAULT;
2640 }
2641 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2642 return rc;
2643}
2644
2645/******************************************************************/
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002646/* CL45 access functions */
2647/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002648static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
2649 u8 devad, u16 reg, u16 *ret_val)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002650{
Yaniv Rosnera198c142011-05-31 21:29:42 +00002651 u32 val;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002652 u16 i;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002653 int rc = 0;
Yaniv Rosner157fa282011-08-02 22:59:32 +00002654 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2655 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2656 EMAC_MDIO_STATUS_10MB);
Yuval Mintzd2310232012-06-20 19:05:19 +00002657 /* Address */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002658 val = ((phy->addr << 21) | (devad << 16) | reg |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002659 EMAC_MDIO_COMM_COMMAND_ADDRESS |
2660 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002661 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002662
2663 for (i = 0; i < 50; i++) {
2664 udelay(10);
2665
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002666 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002667 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2668 udelay(5);
2669 break;
2670 }
2671 }
2672 if (val & EMAC_MDIO_COMM_START_BUSY) {
2673 DP(NETIF_MSG_LINK, "read phy register failed\n");
Yaniv Rosner6d870c32011-01-31 04:22:20 +00002674 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002675 *ret_val = 0;
2676 rc = -EFAULT;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002677 } else {
Yuval Mintzd2310232012-06-20 19:05:19 +00002678 /* Data */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002679 val = ((phy->addr << 21) | (devad << 16) |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002680 EMAC_MDIO_COMM_COMMAND_READ_45 |
2681 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002682 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002683
2684 for (i = 0; i < 50; i++) {
2685 udelay(10);
2686
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002687 val = REG_RD(bp, phy->mdio_ctrl +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002688 EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002689 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2690 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2691 break;
2692 }
2693 }
2694 if (val & EMAC_MDIO_COMM_START_BUSY) {
2695 DP(NETIF_MSG_LINK, "read phy register failed\n");
Yaniv Rosner6d870c32011-01-31 04:22:20 +00002696 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002697 *ret_val = 0;
2698 rc = -EFAULT;
2699 }
2700 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00002701 /* Work around for E3 A0 */
2702 if (phy->flags & FLAGS_MDC_MDIO_WA) {
2703 phy->flags ^= FLAGS_DUMMY_READ;
2704 if (phy->flags & FLAGS_DUMMY_READ) {
2705 u16 temp_val;
2706 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2707 }
2708 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002709
Yaniv Rosner157fa282011-08-02 22:59:32 +00002710 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2711 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2712 EMAC_MDIO_STATUS_10MB);
Yaniv Rosnera198c142011-05-31 21:29:42 +00002713 return rc;
2714}
2715
2716static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
2717 u8 devad, u16 reg, u16 val)
2718{
2719 u32 tmp;
2720 u8 i;
2721 int rc = 0;
Yaniv Rosner157fa282011-08-02 22:59:32 +00002722 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2723 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2724 EMAC_MDIO_STATUS_10MB);
Yaniv Rosnera198c142011-05-31 21:29:42 +00002725
Yuval Mintzd2310232012-06-20 19:05:19 +00002726 /* Address */
Yaniv Rosnera198c142011-05-31 21:29:42 +00002727 tmp = ((phy->addr << 21) | (devad << 16) | reg |
2728 EMAC_MDIO_COMM_COMMAND_ADDRESS |
2729 EMAC_MDIO_COMM_START_BUSY);
2730 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2731
2732 for (i = 0; i < 50; i++) {
2733 udelay(10);
2734
2735 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2736 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2737 udelay(5);
2738 break;
2739 }
2740 }
2741 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2742 DP(NETIF_MSG_LINK, "write phy register failed\n");
2743 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
2744 rc = -EFAULT;
Yaniv Rosnera198c142011-05-31 21:29:42 +00002745 } else {
Yuval Mintzd2310232012-06-20 19:05:19 +00002746 /* Data */
Yaniv Rosnera198c142011-05-31 21:29:42 +00002747 tmp = ((phy->addr << 21) | (devad << 16) | val |
2748 EMAC_MDIO_COMM_COMMAND_WRITE_45 |
2749 EMAC_MDIO_COMM_START_BUSY);
2750 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2751
2752 for (i = 0; i < 50; i++) {
2753 udelay(10);
2754
2755 tmp = REG_RD(bp, phy->mdio_ctrl +
2756 EMAC_REG_EMAC_MDIO_COMM);
2757 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2758 udelay(5);
2759 break;
2760 }
2761 }
2762 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2763 DP(NETIF_MSG_LINK, "write phy register failed\n");
2764 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
2765 rc = -EFAULT;
2766 }
2767 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00002768 /* Work around for E3 A0 */
2769 if (phy->flags & FLAGS_MDC_MDIO_WA) {
2770 phy->flags ^= FLAGS_DUMMY_READ;
2771 if (phy->flags & FLAGS_DUMMY_READ) {
2772 u16 temp_val;
2773 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2774 }
2775 }
Yaniv Rosner157fa282011-08-02 22:59:32 +00002776 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2777 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2778 EMAC_MDIO_STATUS_10MB);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002779 return rc;
2780}
Yuval Mintzec4010e2012-09-10 05:51:06 +00002781
2782/******************************************************************/
2783/* EEE section */
2784/******************************************************************/
2785static u8 bnx2x_eee_has_cap(struct link_params *params)
2786{
2787 struct bnx2x *bp = params->bp;
2788
2789 if (REG_RD(bp, params->shmem2_base) <=
2790 offsetof(struct shmem2_region, eee_status[params->port]))
2791 return 0;
2792
2793 return 1;
2794}
2795
2796static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
2797{
2798 switch (nvram_mode) {
2799 case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
2800 *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
2801 break;
2802 case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
2803 *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
2804 break;
2805 case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
2806 *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
2807 break;
2808 default:
2809 *idle_timer = 0;
2810 break;
2811 }
2812
2813 return 0;
2814}
2815
2816static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
2817{
2818 switch (idle_timer) {
2819 case EEE_MODE_NVRAM_BALANCED_TIME:
2820 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
2821 break;
2822 case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
2823 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
2824 break;
2825 case EEE_MODE_NVRAM_LATENCY_TIME:
2826 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
2827 break;
2828 default:
2829 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
2830 break;
2831 }
2832
2833 return 0;
2834}
2835
2836static u32 bnx2x_eee_calc_timer(struct link_params *params)
2837{
2838 u32 eee_mode, eee_idle;
2839 struct bnx2x *bp = params->bp;
2840
2841 if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
2842 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2843 /* time value in eee_mode --> used directly*/
2844 eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
2845 } else {
2846 /* hsi value in eee_mode --> time */
2847 if (bnx2x_eee_nvram_to_time(params->eee_mode &
2848 EEE_MODE_NVRAM_MASK,
2849 &eee_idle))
2850 return 0;
2851 }
2852 } else {
2853 /* hsi values in nvram --> time*/
2854 eee_mode = ((REG_RD(bp, params->shmem_base +
2855 offsetof(struct shmem_region, dev_info.
2856 port_feature_config[params->port].
2857 eee_power_mode)) &
2858 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
2859 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
2860
2861 if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
2862 return 0;
2863 }
2864
2865 return eee_idle;
2866}
2867
2868static int bnx2x_eee_set_timers(struct link_params *params,
2869 struct link_vars *vars)
2870{
2871 u32 eee_idle = 0, eee_mode;
2872 struct bnx2x *bp = params->bp;
2873
2874 eee_idle = bnx2x_eee_calc_timer(params);
2875
2876 if (eee_idle) {
2877 REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
2878 eee_idle);
2879 } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
2880 (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
2881 (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
2882 DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
2883 return -EINVAL;
2884 }
2885
2886 vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
2887 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2888 /* eee_idle in 1u --> eee_status in 16u */
2889 eee_idle >>= 4;
2890 vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
2891 SHMEM_EEE_TIME_OUTPUT_BIT;
2892 } else {
2893 if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
2894 return -EINVAL;
2895 vars->eee_status |= eee_mode;
2896 }
2897
2898 return 0;
2899}
2900
2901static int bnx2x_eee_initial_config(struct link_params *params,
2902 struct link_vars *vars, u8 mode)
2903{
2904 vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
2905
2906 /* Propogate params' bits --> vars (for migration exposure) */
2907 if (params->eee_mode & EEE_MODE_ENABLE_LPI)
2908 vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
2909 else
2910 vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
2911
2912 if (params->eee_mode & EEE_MODE_ADV_LPI)
2913 vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
2914 else
2915 vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
2916
2917 return bnx2x_eee_set_timers(params, vars);
2918}
2919
2920static int bnx2x_eee_disable(struct bnx2x_phy *phy,
2921 struct link_params *params,
2922 struct link_vars *vars)
2923{
2924 struct bnx2x *bp = params->bp;
2925
2926 /* Make Certain LPI is disabled */
2927 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
2928
2929 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
2930
2931 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
2932
2933 return 0;
2934}
2935
2936static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
2937 struct link_params *params,
2938 struct link_vars *vars, u8 modes)
2939{
2940 struct bnx2x *bp = params->bp;
2941 u16 val = 0;
2942
2943 /* Mask events preventing LPI generation */
2944 REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
2945
2946 if (modes & SHMEM_EEE_10G_ADV) {
2947 DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
2948 val |= 0x8;
2949 }
2950 if (modes & SHMEM_EEE_1G_ADV) {
2951 DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
2952 val |= 0x4;
2953 }
2954
2955 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
2956
2957 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
2958 vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
2959
2960 return 0;
2961}
2962
2963static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
2964{
2965 struct bnx2x *bp = params->bp;
2966
2967 if (bnx2x_eee_has_cap(params))
2968 REG_WR(bp, params->shmem2_base +
2969 offsetof(struct shmem2_region,
2970 eee_status[params->port]), eee_status);
2971}
2972
2973static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
2974 struct link_params *params,
2975 struct link_vars *vars)
2976{
2977 struct bnx2x *bp = params->bp;
2978 u16 adv = 0, lp = 0;
2979 u32 lp_adv = 0;
2980 u8 neg = 0;
2981
2982 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
2983 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
2984
2985 if (lp & 0x2) {
2986 lp_adv |= SHMEM_EEE_100M_ADV;
2987 if (adv & 0x2) {
2988 if (vars->line_speed == SPEED_100)
2989 neg = 1;
2990 DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
2991 }
2992 }
2993 if (lp & 0x14) {
2994 lp_adv |= SHMEM_EEE_1G_ADV;
2995 if (adv & 0x14) {
2996 if (vars->line_speed == SPEED_1000)
2997 neg = 1;
2998 DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
2999 }
3000 }
3001 if (lp & 0x68) {
3002 lp_adv |= SHMEM_EEE_10G_ADV;
3003 if (adv & 0x68) {
3004 if (vars->line_speed == SPEED_10000)
3005 neg = 1;
3006 DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
3007 }
3008 }
3009
3010 vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
3011 vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
3012
3013 if (neg) {
3014 DP(NETIF_MSG_LINK, "EEE is active\n");
3015 vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
3016 }
3017
3018}
3019
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003020/******************************************************************/
3021/* BSC access functions from E3 */
3022/******************************************************************/
3023static void bnx2x_bsc_module_sel(struct link_params *params)
3024{
3025 int idx;
3026 u32 board_cfg, sfp_ctrl;
3027 u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3028 struct bnx2x *bp = params->bp;
3029 u8 port = params->port;
3030 /* Read I2C output PINs */
3031 board_cfg = REG_RD(bp, params->shmem_base +
3032 offsetof(struct shmem_region,
3033 dev_info.shared_hw_config.board));
3034 i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3035 i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3036 SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3037
3038 /* Read I2C output value */
3039 sfp_ctrl = REG_RD(bp, params->shmem_base +
3040 offsetof(struct shmem_region,
3041 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3042 i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3043 i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3044 DP(NETIF_MSG_LINK, "Setting BSC switch\n");
3045 for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3046 bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
3047}
3048
3049static int bnx2x_bsc_read(struct link_params *params,
3050 struct bnx2x_phy *phy,
3051 u8 sl_devid,
3052 u16 sl_addr,
3053 u8 lc_addr,
3054 u8 xfer_cnt,
3055 u32 *data_array)
3056{
3057 u32 val, i;
3058 int rc = 0;
3059 struct bnx2x *bp = params->bp;
3060
3061 if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
3062 DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
3063 return -EINVAL;
3064 }
3065
3066 if (xfer_cnt > 16) {
3067 DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
3068 xfer_cnt);
3069 return -EINVAL;
3070 }
3071 bnx2x_bsc_module_sel(params);
3072
3073 xfer_cnt = 16 - lc_addr;
3074
Yuval Mintzd2310232012-06-20 19:05:19 +00003075 /* Enable the engine */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003076 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3077 val |= MCPR_IMC_COMMAND_ENABLE;
3078 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3079
Yuval Mintzd2310232012-06-20 19:05:19 +00003080 /* Program slave device ID */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003081 val = (sl_devid << 16) | sl_addr;
3082 REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3083
Yuval Mintzd2310232012-06-20 19:05:19 +00003084 /* Start xfer with 0 byte to update the address pointer ???*/
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003085 val = (MCPR_IMC_COMMAND_ENABLE) |
3086 (MCPR_IMC_COMMAND_WRITE_OP <<
3087 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3088 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3089 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3090
Yuval Mintzd2310232012-06-20 19:05:19 +00003091 /* Poll for completion */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003092 i = 0;
3093 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3094 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3095 udelay(10);
3096 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3097 if (i++ > 1000) {
3098 DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
3099 i);
3100 rc = -EFAULT;
3101 break;
3102 }
3103 }
3104 if (rc == -EFAULT)
3105 return rc;
3106
Yuval Mintzd2310232012-06-20 19:05:19 +00003107 /* Start xfer with read op */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003108 val = (MCPR_IMC_COMMAND_ENABLE) |
3109 (MCPR_IMC_COMMAND_READ_OP <<
3110 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3111 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3112 (xfer_cnt);
3113 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3114
Yuval Mintzd2310232012-06-20 19:05:19 +00003115 /* Poll for completion */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003116 i = 0;
3117 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3118 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3119 udelay(10);
3120 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3121 if (i++ > 1000) {
3122 DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
3123 rc = -EFAULT;
3124 break;
3125 }
3126 }
3127 if (rc == -EFAULT)
3128 return rc;
3129
3130 for (i = (lc_addr >> 2); i < 4; i++) {
3131 data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3132#ifdef __BIG_ENDIAN
3133 data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3134 ((data_array[i] & 0x0000ff00) << 8) |
3135 ((data_array[i] & 0x00ff0000) >> 8) |
3136 ((data_array[i] & 0xff000000) >> 24);
3137#endif
3138 }
3139 return rc;
3140}
3141
3142static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3143 u8 devad, u16 reg, u16 or_val)
3144{
3145 u16 val;
3146 bnx2x_cl45_read(bp, phy, devad, reg, &val);
3147 bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
3148}
3149
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003150int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
3151 u8 devad, u16 reg, u16 *ret_val)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003152{
3153 u8 phy_index;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003154 /* Probe for the phy according to the given phy_addr, and execute
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003155 * the read request on it
3156 */
3157 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3158 if (params->phy[phy_index].addr == phy_addr) {
3159 return bnx2x_cl45_read(params->bp,
3160 &params->phy[phy_index], devad,
3161 reg, ret_val);
3162 }
3163 }
3164 return -EINVAL;
3165}
3166
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003167int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
3168 u8 devad, u16 reg, u16 val)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003169{
3170 u8 phy_index;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003171 /* Probe for the phy according to the given phy_addr, and execute
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003172 * the write request on it
3173 */
3174 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3175 if (params->phy[phy_index].addr == phy_addr) {
3176 return bnx2x_cl45_write(params->bp,
3177 &params->phy[phy_index], devad,
3178 reg, val);
3179 }
3180 }
3181 return -EINVAL;
3182}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003183static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
3184 struct link_params *params)
3185{
3186 u8 lane = 0;
3187 struct bnx2x *bp = params->bp;
3188 u32 path_swap, path_swap_ovr;
3189 u8 path, port;
3190
3191 path = BP_PATH(bp);
3192 port = params->port;
3193
3194 if (bnx2x_is_4_port_mode(bp)) {
3195 u32 port_swap, port_swap_ovr;
3196
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003197 /* Figure out path swap value */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003198 path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
3199 if (path_swap_ovr & 0x1)
3200 path_swap = (path_swap_ovr & 0x2);
3201 else
3202 path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
3203
3204 if (path_swap)
3205 path = path ^ 1;
3206
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003207 /* Figure out port swap value */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003208 port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
3209 if (port_swap_ovr & 0x1)
3210 port_swap = (port_swap_ovr & 0x2);
3211 else
3212 port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
3213
3214 if (port_swap)
3215 port = port ^ 1;
3216
3217 lane = (port<<1) + path;
Yuval Mintzd2310232012-06-20 19:05:19 +00003218 } else { /* Two port mode - no port swap */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003219
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003220 /* Figure out path swap value */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003221 path_swap_ovr =
3222 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3223 if (path_swap_ovr & 0x1) {
3224 path_swap = (path_swap_ovr & 0x2);
3225 } else {
3226 path_swap =
3227 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
3228 }
3229 if (path_swap)
3230 path = path ^ 1;
3231
3232 lane = path << 1 ;
3233 }
3234 return lane;
3235}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003236
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003237static void bnx2x_set_aer_mmd(struct link_params *params,
3238 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003239{
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003240 u32 ser_lane;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003241 u16 offset, aer_val;
3242 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003243 ser_lane = ((params->lane_config &
3244 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3245 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3246
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003247 offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3248 (phy->addr + ser_lane) : 0;
3249
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003250 if (USES_WARPCORE(bp)) {
3251 aer_val = bnx2x_get_warpcore_lane(phy, params);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003252 /* In Dual-lane mode, two lanes are joined together,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003253 * so in order to configure them, the AER broadcast method is
3254 * used here.
3255 * 0x200 is the broadcast address for lanes 0,1
3256 * 0x201 is the broadcast address for lanes 2,3
3257 */
3258 if (phy->flags & FLAGS_WC_DUAL_MODE)
3259 aer_val = (aer_val >> 1) | 0x200;
3260 } else if (CHIP_IS_E2(bp))
Yaniv Rosner82a0d472011-01-18 04:33:52 +00003261 aer_val = 0x3800 + offset - 1;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003262 else
3263 aer_val = 0x3800 + offset;
Yaniv Rosner2f751a82011-11-28 00:49:52 +00003264
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003265 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003266 MDIO_AER_BLOCK_AER_REG, aer_val);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003267
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003268}
3269
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003270/******************************************************************/
3271/* Internal phy section */
3272/******************************************************************/
3273
3274static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
3275{
3276 u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3277
3278 /* Set Clause 22 */
3279 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
3280 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
3281 udelay(500);
3282 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3283 udelay(500);
3284 /* Set Clause 45 */
3285 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
3286}
3287
3288static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
3289{
3290 u32 val;
3291
3292 DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
3293
3294 val = SERDES_RESET_BITS << (port*16);
3295
Yuval Mintzd2310232012-06-20 19:05:19 +00003296 /* Reset and unreset the SerDes/XGXS */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003297 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3298 udelay(500);
3299 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3300
3301 bnx2x_set_serdes_access(bp, port);
3302
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003303 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3304 DEFAULT_PHY_DEV_ADDR);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003305}
3306
Yaniv Rosnera75bb002012-10-31 05:46:53 +00003307static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
3308 struct link_params *params,
3309 u32 action)
3310{
3311 struct bnx2x *bp = params->bp;
3312 switch (action) {
3313 case PHY_INIT:
3314 /* Set correct devad */
3315 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
3316 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
3317 phy->def_md_devad);
3318 break;
3319 }
3320}
3321
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003322static void bnx2x_xgxs_deassert(struct link_params *params)
3323{
3324 struct bnx2x *bp = params->bp;
3325 u8 port;
3326 u32 val;
3327 DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
3328 port = params->port;
3329
3330 val = XGXS_RESET_BITS << (port*16);
3331
Yuval Mintzd2310232012-06-20 19:05:19 +00003332 /* Reset and unreset the SerDes/XGXS */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003333 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3334 udelay(500);
3335 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
Yaniv Rosnera75bb002012-10-31 05:46:53 +00003336 bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
3337 PHY_INIT);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003338}
3339
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003340static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
3341 struct link_params *params, u16 *ieee_fc)
3342{
3343 struct bnx2x *bp = params->bp;
3344 *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003345 /* Resolve pause mode and advertisement Please refer to Table
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003346 * 28B-3 of the 802.3ab-1999 spec
3347 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003348
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003349 switch (phy->req_flow_ctrl) {
3350 case BNX2X_FLOW_CTRL_AUTO:
3351 if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
3352 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3353 else
3354 *ieee_fc |=
3355 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3356 break;
3357
3358 case BNX2X_FLOW_CTRL_TX:
3359 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3360 break;
3361
3362 case BNX2X_FLOW_CTRL_RX:
3363 case BNX2X_FLOW_CTRL_BOTH:
3364 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3365 break;
3366
3367 case BNX2X_FLOW_CTRL_NONE:
3368 default:
3369 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3370 break;
3371 }
3372 DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
3373}
3374
3375static void set_phy_vars(struct link_params *params,
3376 struct link_vars *vars)
3377{
3378 struct bnx2x *bp = params->bp;
3379 u8 actual_phy_idx, phy_index, link_cfg_idx;
3380 u8 phy_config_swapped = params->multi_phy_config &
3381 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
3382 for (phy_index = INT_PHY; phy_index < params->num_phys;
3383 phy_index++) {
3384 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
3385 actual_phy_idx = phy_index;
3386 if (phy_config_swapped) {
3387 if (phy_index == EXT_PHY1)
3388 actual_phy_idx = EXT_PHY2;
3389 else if (phy_index == EXT_PHY2)
3390 actual_phy_idx = EXT_PHY1;
3391 }
3392 params->phy[actual_phy_idx].req_flow_ctrl =
3393 params->req_flow_ctrl[link_cfg_idx];
3394
3395 params->phy[actual_phy_idx].req_line_speed =
3396 params->req_line_speed[link_cfg_idx];
3397
3398 params->phy[actual_phy_idx].speed_cap_mask =
3399 params->speed_cap_mask[link_cfg_idx];
3400
3401 params->phy[actual_phy_idx].req_duplex =
3402 params->req_duplex[link_cfg_idx];
3403
3404 if (params->req_line_speed[link_cfg_idx] ==
3405 SPEED_AUTO_NEG)
3406 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3407
3408 DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
3409 " speed_cap_mask %x\n",
3410 params->phy[actual_phy_idx].req_flow_ctrl,
3411 params->phy[actual_phy_idx].req_line_speed,
3412 params->phy[actual_phy_idx].speed_cap_mask);
3413 }
3414}
3415
3416static void bnx2x_ext_phy_set_pause(struct link_params *params,
3417 struct bnx2x_phy *phy,
3418 struct link_vars *vars)
3419{
3420 u16 val;
3421 struct bnx2x *bp = params->bp;
Yuval Mintzd2310232012-06-20 19:05:19 +00003422 /* Read modify write pause advertizing */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003423 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3424
3425 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3426
3427 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3428 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3429 if ((vars->ieee_fc &
3430 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3431 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3432 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3433 }
3434 if ((vars->ieee_fc &
3435 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3436 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3437 val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3438 }
3439 DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3440 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3441}
3442
3443static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
3444{ /* LD LP */
3445 switch (pause_result) { /* ASYM P ASYM P */
3446 case 0xb: /* 1 0 1 1 */
3447 vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
3448 break;
3449
3450 case 0xe: /* 1 1 1 0 */
3451 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3452 break;
3453
3454 case 0x5: /* 0 1 0 1 */
3455 case 0x7: /* 0 1 1 1 */
3456 case 0xd: /* 1 1 0 1 */
3457 case 0xf: /* 1 1 1 1 */
3458 vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
3459 break;
3460
3461 default:
3462 break;
3463 }
3464 if (pause_result & (1<<0))
3465 vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3466 if (pause_result & (1<<1))
3467 vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003468
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003469}
3470
Mintz Yuval9e7e8392012-02-15 02:10:24 +00003471static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
3472 struct link_params *params,
3473 struct link_vars *vars)
3474{
3475 u16 ld_pause; /* local */
3476 u16 lp_pause; /* link partner */
3477 u16 pause_result;
3478 struct bnx2x *bp = params->bp;
3479 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
3480 bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
3481 bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
Yaniv Rosnerca05f292012-04-04 01:28:55 +00003482 } else if (CHIP_IS_E3(bp) &&
3483 SINGLE_MEDIA_DIRECT(params)) {
3484 u8 lane = bnx2x_get_warpcore_lane(phy, params);
3485 u16 gp_status, gp_mask;
3486 bnx2x_cl45_read(bp, phy,
3487 MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
3488 &gp_status);
3489 gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
3490 MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
3491 lane;
3492 if ((gp_status & gp_mask) == gp_mask) {
3493 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3494 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3495 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3496 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3497 } else {
3498 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3499 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3500 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3501 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3502 ld_pause = ((ld_pause &
3503 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3504 << 3);
3505 lp_pause = ((lp_pause &
3506 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3507 << 3);
3508 }
Mintz Yuval9e7e8392012-02-15 02:10:24 +00003509 } else {
3510 bnx2x_cl45_read(bp, phy,
3511 MDIO_AN_DEVAD,
3512 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3513 bnx2x_cl45_read(bp, phy,
3514 MDIO_AN_DEVAD,
3515 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3516 }
3517 pause_result = (ld_pause &
3518 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3519 pause_result |= (lp_pause &
3520 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3521 DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
3522 bnx2x_pause_resolve(vars, pause_result);
3523
3524}
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003525
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003526static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3527 struct link_params *params,
3528 struct link_vars *vars)
3529{
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003530 u8 ret = 0;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003531 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Mintz Yuval9e7e8392012-02-15 02:10:24 +00003532 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
3533 /* Update the advertised flow-controled of LD/LP in AN */
3534 if (phy->req_line_speed == SPEED_AUTO_NEG)
3535 bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3536 /* But set the flow-control result as the requested one */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003537 vars->flow_ctrl = phy->req_flow_ctrl;
Mintz Yuval9e7e8392012-02-15 02:10:24 +00003538 } else if (phy->req_line_speed != SPEED_AUTO_NEG)
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003539 vars->flow_ctrl = params->req_fc_auto_adv;
3540 else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3541 ret = 1;
Mintz Yuval9e7e8392012-02-15 02:10:24 +00003542 bnx2x_ext_phy_update_adv_fc(phy, params, vars);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003543 }
3544 return ret;
3545}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003546/******************************************************************/
3547/* Warpcore section */
3548/******************************************************************/
3549/* The init_internal_warpcore should mirror the xgxs,
3550 * i.e. reset the lane (if needed), set aer for the
3551 * init configuration, and set/clear SGMII flag. Internal
3552 * phy init is done purely in phy_init stage.
3553 */
Yuval Mintzec4010e2012-09-10 05:51:06 +00003554
3555static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
3556 struct link_params *params)
3557{
3558 struct bnx2x *bp = params->bp;
3559
3560 DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
3561 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3562 MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
3563 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3564 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
3565}
3566
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003567static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
3568 struct link_params *params,
3569 struct link_vars *vars) {
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003570 u16 lane, i, cl72_ctrl, an_adv = 0;
3571 u16 ucode_ver;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003572 struct bnx2x *bp = params->bp;
Yuval Mintza351d492012-06-20 19:05:21 +00003573 static struct bnx2x_reg_set reg_set[] = {
3574 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
Yuval Mintza351d492012-06-20 19:05:21 +00003575 {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
3576 {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
3577 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
3578 /* Disable Autoneg: re-enable it after adv is done. */
3579 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0}
3580 };
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003581 DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
Yaniv Rosner6a51c0d2012-04-04 01:28:56 +00003582 /* Set to default registers that may be overriden by 10G force */
Yuval Mintza351d492012-06-20 19:05:21 +00003583 for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
3584 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3585 reg_set[i].val);
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00003586
Yaniv Rosnerb457bcb2012-10-31 05:46:52 +00003587 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3588 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
3589 cl72_ctrl &= 0xf8ff;
3590 cl72_ctrl |= 0x3800;
3591 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3592 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
3593
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003594 /* Check adding advertisement for 1G KX */
3595 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3596 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3597 (vars->line_speed == SPEED_1000)) {
Yuval Mintza351d492012-06-20 19:05:21 +00003598 u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003599 an_adv |= (1<<5);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003600
3601 /* Enable CL37 1G Parallel Detect */
Yuval Mintza351d492012-06-20 19:05:21 +00003602 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003603 DP(NETIF_MSG_LINK, "Advertize 1G\n");
3604 }
3605 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3606 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
3607 (vars->line_speed == SPEED_10000)) {
3608 /* Check adding advertisement for 10G KR */
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003609 an_adv |= (1<<7);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003610 /* Enable 10G Parallel Detect */
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003611 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3612 MDIO_AER_BLOCK_AER_REG, 0);
3613
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003614 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
Yuval Mintza351d492012-06-20 19:05:21 +00003615 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003616 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003617 DP(NETIF_MSG_LINK, "Advertize 10G\n");
3618 }
3619
3620 /* Set Transmit PMD settings */
3621 lane = bnx2x_get_warpcore_lane(phy, params);
3622 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3623 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3624 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3625 (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3626 (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
3627 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3628 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
3629 0x03f0);
3630 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3631 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
3632 0x03f0);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003633
3634 /* Advertised speeds */
3635 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003636 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003637
David S. Miller8decf862011-09-22 03:23:13 -04003638 /* Advertised and set FEC (Forward Error Correction) */
3639 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3640 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
3641 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
3642 MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
3643
Yaniv Rosnera34bc962011-07-05 01:06:41 +00003644 /* Enable CL37 BAM */
3645 if (REG_RD(bp, params->shmem_base +
3646 offsetof(struct shmem_region, dev_info.
3647 port_hw_config[params->port].default_cfg)) &
3648 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
Yuval Mintza351d492012-06-20 19:05:21 +00003649 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3650 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
3651 1);
Yaniv Rosnera34bc962011-07-05 01:06:41 +00003652 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
3653 }
3654
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003655 /* Advertise pause */
3656 bnx2x_ext_phy_set_pause(params, phy, vars);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003657 /* Set KR Autoneg Work-Around flag for Warpcore version older than D108
Yaniv Rosner6ab48a52012-01-17 02:33:29 +00003658 */
3659 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003660 MDIO_WC_REG_UC_INFO_B1_VERSION, &ucode_ver);
3661 if (ucode_ver < 0xd108) {
3662 DP(NETIF_MSG_LINK, "Enable AN KR work-around. WC ver:0x%x\n",
3663 ucode_ver);
Yaniv Rosner6ab48a52012-01-17 02:33:29 +00003664 vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
3665 }
Yuval Mintza351d492012-06-20 19:05:21 +00003666 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3667 MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00003668
3669 /* Over 1G - AN local device user page 1 */
3670 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3671 MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
3672
3673 /* Enable Autoneg */
3674 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
Mintz Yuval1b85ae52012-02-15 02:10:25 +00003675 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00003676
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003677}
3678
3679static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
3680 struct link_params *params,
3681 struct link_vars *vars)
3682{
3683 struct bnx2x *bp = params->bp;
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003684 u16 val16, i, lane;
Yuval Mintza351d492012-06-20 19:05:21 +00003685 static struct bnx2x_reg_set reg_set[] = {
3686 /* Disable Autoneg */
3687 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
Yuval Mintza351d492012-06-20 19:05:21 +00003688 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3689 0x3f00},
3690 {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
3691 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
3692 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
3693 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
Yuval Mintza351d492012-06-20 19:05:21 +00003694 /* Leave cl72 training enable, needed for KR */
3695 {MDIO_PMA_DEVAD,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003696 MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
Yuval Mintza351d492012-06-20 19:05:21 +00003697 0x2}
3698 };
3699
3700 for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
3701 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3702 reg_set[i].val);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003703
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003704 lane = bnx2x_get_warpcore_lane(phy, params);
3705 /* Global registers */
3706 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3707 MDIO_AER_BLOCK_AER_REG, 0);
3708 /* Disable CL36 PCS Tx */
3709 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3710 MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
3711 val16 &= ~(0x0011 << lane);
3712 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3713 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003714
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00003715 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3716 MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
3717 val16 |= (0x0303 << (lane << 1));
3718 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3719 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
3720 /* Restore AER */
3721 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003722 /* Set speed via PMA/PMD register */
3723 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3724 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
3725
3726 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3727 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
3728
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003729 /* Enable encoded forced speed */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003730 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3731 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
3732
3733 /* Turn TX scramble payload only the 64/66 scrambler */
3734 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3735 MDIO_WC_REG_TX66_CONTROL, 0x9);
3736
3737 /* Turn RX scramble payload only the 64/66 scrambler */
3738 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3739 MDIO_WC_REG_RX66_CONTROL, 0xF9);
3740
Yuval Mintzd2310232012-06-20 19:05:19 +00003741 /* Set and clear loopback to cause a reset to 64/66 decoder */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003742 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3743 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
3744 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3745 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3746
3747}
3748
3749static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
3750 struct link_params *params,
3751 u8 is_xfi)
3752{
3753 struct bnx2x *bp = params->bp;
3754 u16 misc1_val, tap_val, tx_driver_val, lane, val;
3755 /* Hold rxSeqStart */
Yuval Mintza351d492012-06-20 19:05:21 +00003756 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3757 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003758
3759 /* Hold tx_fifo_reset */
Yuval Mintza351d492012-06-20 19:05:21 +00003760 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3761 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003762
3763 /* Disable CL73 AN */
3764 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
3765
3766 /* Disable 100FX Enable and Auto-Detect */
3767 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3768 MDIO_WC_REG_FX100_CTRL1, &val);
3769 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3770 MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
3771
3772 /* Disable 100FX Idle detect */
Yuval Mintza351d492012-06-20 19:05:21 +00003773 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3774 MDIO_WC_REG_FX100_CTRL3, 0x0080);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003775
3776 /* Set Block address to Remote PHY & Clear forced_speed[5] */
3777 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3778 MDIO_WC_REG_DIGITAL4_MISC3, &val);
3779 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3780 MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
3781
3782 /* Turn off auto-detect & fiber mode */
3783 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3784 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
3785 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3786 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3787 (val & 0xFFEE));
3788
3789 /* Set filter_force_link, disable_false_link and parallel_detect */
3790 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3791 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
3792 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3793 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3794 ((val | 0x0006) & 0xFFFE));
3795
3796 /* Set XFI / SFI */
3797 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3798 MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
3799
3800 misc1_val &= ~(0x1f);
3801
3802 if (is_xfi) {
3803 misc1_val |= 0x5;
3804 tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3805 (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3806 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
3807 tx_driver_val =
3808 ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3809 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3810 (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
3811
3812 } else {
3813 misc1_val |= 0x9;
Yaniv Rosner25182fc2012-04-04 01:28:57 +00003814 tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3815 (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3816 (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003817 tx_driver_val =
Yaniv Rosner25182fc2012-04-04 01:28:57 +00003818 ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003819 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
Yaniv Rosner25182fc2012-04-04 01:28:57 +00003820 (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003821 }
3822 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3823 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
3824
3825 /* Set Transmit PMD settings */
3826 lane = bnx2x_get_warpcore_lane(phy, params);
3827 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3828 MDIO_WC_REG_TX_FIR_TAP,
3829 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
3830 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3831 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3832 tx_driver_val);
3833
3834 /* Enable fiber mode, enable and invert sig_det */
Yuval Mintza351d492012-06-20 19:05:21 +00003835 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3836 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003837
3838 /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
Yuval Mintza351d492012-06-20 19:05:21 +00003839 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3840 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003841
Yuval Mintzec4010e2012-09-10 05:51:06 +00003842 bnx2x_warpcore_set_lpi_passthrough(phy, params);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00003843
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003844 /* 10G XFI Full Duplex */
3845 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3846 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
3847
3848 /* Release tx_fifo_reset */
3849 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3850 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
3851 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3852 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
3853
3854 /* Release rxSeqStart */
3855 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3856 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
3857 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3858 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
3859}
3860
3861static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
3862 struct bnx2x_phy *phy)
3863{
3864 DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
3865}
3866
3867static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
3868 struct bnx2x_phy *phy,
3869 u16 lane)
3870{
3871 /* Rx0 anaRxControl1G */
3872 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3873 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
3874
3875 /* Rx2 anaRxControl1G */
3876 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3877 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
3878
3879 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3880 MDIO_WC_REG_RX66_SCW0, 0xE070);
3881
3882 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3883 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
3884
3885 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3886 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
3887
3888 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3889 MDIO_WC_REG_RX66_SCW3, 0x8090);
3890
3891 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3892 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
3893
3894 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3895 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
3896
3897 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3898 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
3899
3900 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3901 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
3902
3903 /* Serdes Digital Misc1 */
3904 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3905 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
3906
3907 /* Serdes Digital4 Misc3 */
3908 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3909 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
3910
3911 /* Set Transmit PMD settings */
3912 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3913 MDIO_WC_REG_TX_FIR_TAP,
3914 ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3915 (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3916 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
3917 MDIO_WC_REG_TX_FIR_TAP_ENABLE));
3918 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3919 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3920 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3921 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3922 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
3923}
3924
3925static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
3926 struct link_params *params,
Yaniv Rosner521683d2011-11-28 00:49:48 +00003927 u8 fiber_mode,
3928 u8 always_autoneg)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003929{
3930 struct bnx2x *bp = params->bp;
3931 u16 val16, digctrl_kx1, digctrl_kx2;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003932
3933 /* Clear XFI clock comp in non-10G single lane mode. */
3934 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3935 MDIO_WC_REG_RX66_CONTROL, &val16);
3936 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3937 MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
3938
Yuval Mintz26964bb2012-09-10 05:51:08 +00003939 bnx2x_warpcore_set_lpi_passthrough(phy, params);
3940
Yaniv Rosner521683d2011-11-28 00:49:48 +00003941 if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003942 /* SGMII Autoneg */
3943 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3944 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
3945 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3946 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
3947 val16 | 0x1000);
3948 DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
3949 } else {
3950 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3951 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
Yaniv Rosner521683d2011-11-28 00:49:48 +00003952 val16 &= 0xcebf;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003953 switch (phy->req_line_speed) {
3954 case SPEED_10:
3955 break;
3956 case SPEED_100:
3957 val16 |= 0x2000;
3958 break;
3959 case SPEED_1000:
3960 val16 |= 0x0040;
3961 break;
3962 default:
Joe Perches94f05b02011-08-14 12:16:20 +00003963 DP(NETIF_MSG_LINK,
3964 "Speed not supported: 0x%x\n", phy->req_line_speed);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003965 return;
3966 }
3967
3968 if (phy->req_duplex == DUPLEX_FULL)
3969 val16 |= 0x0100;
3970
3971 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3972 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
3973
3974 DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
3975 phy->req_line_speed);
3976 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3977 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
3978 DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
3979 }
3980
3981 /* SGMII Slave mode and disable signal detect */
3982 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3983 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
3984 if (fiber_mode)
3985 digctrl_kx1 = 1;
3986 else
3987 digctrl_kx1 &= 0xff4a;
3988
3989 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3990 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3991 digctrl_kx1);
3992
3993 /* Turn off parallel detect */
3994 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3995 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
3996 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3997 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3998 (digctrl_kx2 & ~(1<<2)));
3999
4000 /* Re-enable parallel detect */
4001 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4002 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4003 (digctrl_kx2 | (1<<2)));
4004
4005 /* Enable autodet */
4006 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4007 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4008 (digctrl_kx1 | 0x10));
4009}
4010
4011static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
4012 struct bnx2x_phy *phy,
4013 u8 reset)
4014{
4015 u16 val;
4016 /* Take lane out of reset after configuration is finished */
4017 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4018 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4019 if (reset)
4020 val |= 0xC000;
4021 else
4022 val &= 0x3FFF;
4023 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4024 MDIO_WC_REG_DIGITAL5_MISC6, val);
4025 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4026 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4027}
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004028/* Clear SFI/XFI link settings registers */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004029static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
4030 struct link_params *params,
4031 u16 lane)
4032{
4033 struct bnx2x *bp = params->bp;
Yuval Mintza351d492012-06-20 19:05:21 +00004034 u16 i;
4035 static struct bnx2x_reg_set wc_regs[] = {
4036 {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
4037 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
4038 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
4039 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
4040 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4041 0x0195},
4042 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4043 0x0007},
4044 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4045 0x0002},
4046 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
4047 {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
4048 {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
4049 {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
4050 };
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004051 /* Set XFI clock comp as default. */
Yuval Mintza351d492012-06-20 19:05:21 +00004052 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4053 MDIO_WC_REG_RX66_CONTROL, (3<<13));
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004054
Yuval Mintza351d492012-06-20 19:05:21 +00004055 for (i = 0; i < sizeof(wc_regs)/sizeof(struct bnx2x_reg_set); i++)
4056 bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
4057 wc_regs[i].val);
4058
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004059 lane = bnx2x_get_warpcore_lane(phy, params);
4060 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004061 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
Yuval Mintza351d492012-06-20 19:05:21 +00004062
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004063}
4064
4065static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
4066 u32 chip_id,
4067 u32 shmem_base, u8 port,
4068 u8 *gpio_num, u8 *gpio_port)
4069{
4070 u32 cfg_pin;
4071 *gpio_num = 0;
4072 *gpio_port = 0;
4073 if (CHIP_IS_E3(bp)) {
4074 cfg_pin = (REG_RD(bp, shmem_base +
4075 offsetof(struct shmem_region,
4076 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4077 PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4078 PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4079
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004080 /* Should not happen. This function called upon interrupt
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004081 * triggered by GPIO ( since EPIO can only generate interrupts
4082 * to MCP).
4083 * So if this function was called and none of the GPIOs was set,
4084 * it means the shit hit the fan.
4085 */
4086 if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4087 (cfg_pin > PIN_CFG_GPIO3_P1)) {
Joe Perches94f05b02011-08-14 12:16:20 +00004088 DP(NETIF_MSG_LINK,
4089 "ERROR: Invalid cfg pin %x for module detect indication\n",
4090 cfg_pin);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004091 return -EINVAL;
4092 }
4093
4094 *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4095 *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4096 } else {
4097 *gpio_num = MISC_REGISTERS_GPIO_3;
4098 *gpio_port = port;
4099 }
4100 DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
4101 return 0;
4102}
4103
4104static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
4105 struct link_params *params)
4106{
4107 struct bnx2x *bp = params->bp;
4108 u8 gpio_num, gpio_port;
4109 u32 gpio_val;
4110 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
4111 params->shmem_base, params->port,
4112 &gpio_num, &gpio_port) != 0)
4113 return 0;
4114 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
4115
4116 /* Call the handling function in case module is detected */
4117 if (gpio_val == 0)
4118 return 1;
4119 else
4120 return 0;
4121}
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004122static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
4123 struct link_params *params)
4124{
4125 u16 gp2_status_reg0, lane;
4126 struct bnx2x *bp = params->bp;
4127
4128 lane = bnx2x_get_warpcore_lane(phy, params);
4129
4130 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
4131 &gp2_status_reg0);
4132
4133 return (gp2_status_reg0 >> (8+lane)) & 0x1;
4134}
4135
4136static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
4137 struct link_params *params,
4138 struct link_vars *vars)
4139{
4140 struct bnx2x *bp = params->bp;
4141 u32 serdes_net_if;
4142 u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
4143 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4144
4145 vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
4146
4147 if (!vars->turn_to_run_wc_rt)
4148 return;
4149
Yuval Mintzd2310232012-06-20 19:05:19 +00004150 /* Return if there is no link partner */
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004151 if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
4152 DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
4153 return;
4154 }
4155
4156 if (vars->rx_tx_asic_rst) {
4157 serdes_net_if = (REG_RD(bp, params->shmem_base +
4158 offsetof(struct shmem_region, dev_info.
4159 port_hw_config[params->port].default_cfg)) &
4160 PORT_HW_CFG_NET_SERDES_IF_MASK);
4161
4162 switch (serdes_net_if) {
4163 case PORT_HW_CFG_NET_SERDES_IF_KR:
4164 /* Do we get link yet? */
4165 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
4166 &gp_status1);
4167 lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
4168 /*10G KR*/
4169 lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
4170
4171 DP(NETIF_MSG_LINK,
4172 "gp_status1 0x%x\n", gp_status1);
4173
4174 if (lnkup_kr || lnkup) {
4175 vars->rx_tx_asic_rst = 0;
4176 DP(NETIF_MSG_LINK,
4177 "link up, rx_tx_asic_rst 0x%x\n",
4178 vars->rx_tx_asic_rst);
4179 } else {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004180 /* Reset the lane to see if link comes up.*/
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004181 bnx2x_warpcore_reset_lane(bp, phy, 1);
4182 bnx2x_warpcore_reset_lane(bp, phy, 0);
4183
Yuval Mintzd2310232012-06-20 19:05:19 +00004184 /* Restart Autoneg */
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004185 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4186 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4187
4188 vars->rx_tx_asic_rst--;
4189 DP(NETIF_MSG_LINK, "0x%x retry left\n",
4190 vars->rx_tx_asic_rst);
4191 }
4192 break;
4193
4194 default:
4195 break;
4196 }
4197
4198 } /*params->rx_tx_asic_rst*/
4199
4200}
Yuval Mintzdbef8072012-06-20 19:05:22 +00004201static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
4202 struct link_params *params)
4203{
4204 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4205 struct bnx2x *bp = params->bp;
4206 bnx2x_warpcore_clear_regs(phy, params, lane);
4207 if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
4208 SPEED_10000) &&
4209 (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
4210 DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
4211 bnx2x_warpcore_set_10G_XFI(phy, params, 0);
4212 } else {
4213 DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
4214 bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
4215 }
4216}
4217
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004218static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
4219 struct link_params *params,
4220 struct link_vars *vars)
4221{
4222 struct bnx2x *bp = params->bp;
4223 u32 serdes_net_if;
4224 u8 fiber_mode;
4225 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4226 serdes_net_if = (REG_RD(bp, params->shmem_base +
4227 offsetof(struct shmem_region, dev_info.
4228 port_hw_config[params->port].default_cfg)) &
4229 PORT_HW_CFG_NET_SERDES_IF_MASK);
4230 DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
4231 "serdes_net_if = 0x%x\n",
4232 vars->line_speed, serdes_net_if);
4233 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00004234 bnx2x_warpcore_reset_lane(bp, phy, 1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004235 vars->phy_flags |= PHY_XGXS_FLAG;
4236 if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4237 (phy->req_line_speed &&
4238 ((phy->req_line_speed == SPEED_100) ||
4239 (phy->req_line_speed == SPEED_10)))) {
4240 vars->phy_flags |= PHY_SGMII_FLAG;
4241 DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
4242 bnx2x_warpcore_clear_regs(phy, params, lane);
Yaniv Rosner521683d2011-11-28 00:49:48 +00004243 bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004244 } else {
4245 switch (serdes_net_if) {
4246 case PORT_HW_CFG_NET_SERDES_IF_KR:
4247 /* Enable KR Auto Neg */
Yaniv Rosner6a51c0d2012-04-04 01:28:56 +00004248 if (params->loopback_mode != LOOPBACK_EXT)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004249 bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4250 else {
4251 DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
4252 bnx2x_warpcore_set_10G_KR(phy, params, vars);
4253 }
4254 break;
4255
4256 case PORT_HW_CFG_NET_SERDES_IF_XFI:
4257 bnx2x_warpcore_clear_regs(phy, params, lane);
4258 if (vars->line_speed == SPEED_10000) {
4259 DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
4260 bnx2x_warpcore_set_10G_XFI(phy, params, 1);
4261 } else {
4262 if (SINGLE_MEDIA_DIRECT(params)) {
4263 DP(NETIF_MSG_LINK, "1G Fiber\n");
4264 fiber_mode = 1;
4265 } else {
4266 DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
4267 fiber_mode = 0;
4268 }
4269 bnx2x_warpcore_set_sgmii_speed(phy,
4270 params,
Yaniv Rosner521683d2011-11-28 00:49:48 +00004271 fiber_mode,
4272 0);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004273 }
4274
4275 break;
4276
4277 case PORT_HW_CFG_NET_SERDES_IF_SFI:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004278 /* Issue Module detection */
4279 if (bnx2x_is_sfp_module_plugged(phy, params))
4280 bnx2x_sfp_module_detection(phy, params);
Yuval Mintzdbef8072012-06-20 19:05:22 +00004281
4282 bnx2x_warpcore_config_sfi(phy, params);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004283 break;
4284
4285 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4286 if (vars->line_speed != SPEED_20000) {
4287 DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4288 return;
4289 }
4290 DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
4291 bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
4292 /* Issue Module detection */
4293
4294 bnx2x_sfp_module_detection(phy, params);
4295 break;
4296
4297 case PORT_HW_CFG_NET_SERDES_IF_KR2:
4298 if (vars->line_speed != SPEED_20000) {
4299 DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4300 return;
4301 }
4302 DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
4303 bnx2x_warpcore_set_20G_KR2(bp, phy);
4304 break;
4305
4306 default:
Joe Perches94f05b02011-08-14 12:16:20 +00004307 DP(NETIF_MSG_LINK,
4308 "Unsupported Serdes Net Interface 0x%x\n",
4309 serdes_net_if);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004310 return;
4311 }
4312 }
4313
4314 /* Take lane out of reset after configuration is finished */
4315 bnx2x_warpcore_reset_lane(bp, phy, 0);
4316 DP(NETIF_MSG_LINK, "Exit config init\n");
4317}
4318
4319static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
4320 struct bnx2x_phy *phy,
4321 u8 tx_en)
4322{
4323 struct bnx2x *bp = params->bp;
4324 u32 cfg_pin;
4325 u8 port = params->port;
4326
4327 cfg_pin = REG_RD(bp, params->shmem_base +
4328 offsetof(struct shmem_region,
4329 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4330 PORT_HW_CFG_TX_LASER_MASK;
4331 /* Set the !tx_en since this pin is DISABLE_TX_LASER */
4332 DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
4333 /* For 20G, the expected pin to be used is 3 pins after the current */
4334
4335 bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
4336 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4337 bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
4338}
4339
4340static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
4341 struct link_params *params)
4342{
4343 struct bnx2x *bp = params->bp;
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00004344 u16 val16, lane;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004345 bnx2x_sfp_e3_set_transmitter(params, phy, 0);
4346 bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
4347 bnx2x_set_aer_mmd(params, phy);
4348 /* Global register */
4349 bnx2x_warpcore_reset_lane(bp, phy, 1);
4350
4351 /* Clear loopback settings (if any) */
4352 /* 10G & 20G */
4353 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4354 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4355 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4356 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
4357 0xBFFF);
4358
4359 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4360 MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
4361 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4362 MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
4363
4364 /* Update those 1-copy registers */
4365 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4366 MDIO_AER_BLOCK_AER_REG, 0);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004367 /* Enable 1G MDIO (1-copy) */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004368 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4369 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4370 &val16);
4371 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4372 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4373 val16 & ~0x10);
4374
4375 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4376 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4377 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4378 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4379 val16 & 0xff00);
4380
Yaniv Rosnercd1a26a2012-10-31 05:46:54 +00004381 lane = bnx2x_get_warpcore_lane(phy, params);
4382 /* Disable CL36 PCS Tx */
4383 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4384 MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
4385 val16 |= (0x11 << lane);
4386 if (phy->flags & FLAGS_WC_DUAL_MODE)
4387 val16 |= (0x22 << lane);
4388 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4389 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
4390
4391 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4392 MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
4393 val16 &= ~(0x0303 << (lane << 1));
4394 val16 |= (0x0101 << (lane << 1));
4395 if (phy->flags & FLAGS_WC_DUAL_MODE) {
4396 val16 &= ~(0x0c0c << (lane << 1));
4397 val16 |= (0x0404 << (lane << 1));
4398 }
4399
4400 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4401 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
4402 /* Restore AER */
4403 bnx2x_set_aer_mmd(params, phy);
4404
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004405}
4406
4407static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
4408 struct link_params *params)
4409{
4410 struct bnx2x *bp = params->bp;
4411 u16 val16;
4412 u32 lane;
4413 DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
4414 params->loopback_mode, phy->req_line_speed);
4415
4416 if (phy->req_line_speed < SPEED_10000) {
4417 /* 10/100/1000 */
4418
4419 /* Update those 1-copy registers */
4420 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4421 MDIO_AER_BLOCK_AER_REG, 0);
4422 /* Enable 1G MDIO (1-copy) */
Yuval Mintza351d492012-06-20 19:05:21 +00004423 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4424 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4425 0x10);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004426 /* Set 1G loopback based on lane (1-copy) */
4427 lane = bnx2x_get_warpcore_lane(phy, params);
4428 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4429 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4430 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4431 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4432 val16 | (1<<lane));
4433
4434 /* Switch back to 4-copy registers */
4435 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004436 } else {
4437 /* 10G & 20G */
Yuval Mintza351d492012-06-20 19:05:21 +00004438 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4439 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4440 0x4000);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004441
Yuval Mintza351d492012-06-20 19:05:21 +00004442 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4443 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004444 }
4445}
4446
4447
Yuval Mintzd2310232012-06-20 19:05:19 +00004448
4449static void bnx2x_sync_link(struct link_params *params,
4450 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004451{
4452 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004453 u8 link_10g_plus;
Yaniv Rosnerde6f3372011-08-02 22:59:25 +00004454 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4455 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004456 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004457 if (vars->link_up) {
4458 DP(NETIF_MSG_LINK, "phy link up\n");
4459
4460 vars->phy_link_up = 1;
4461 vars->duplex = DUPLEX_FULL;
4462 switch (vars->link_status &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004463 LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004464 case LINK_10THD:
4465 vars->duplex = DUPLEX_HALF;
4466 /* Fall thru */
4467 case LINK_10TFD:
4468 vars->line_speed = SPEED_10;
4469 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004470
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004471 case LINK_100TXHD:
4472 vars->duplex = DUPLEX_HALF;
4473 /* Fall thru */
4474 case LINK_100T4:
4475 case LINK_100TXFD:
4476 vars->line_speed = SPEED_100;
4477 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004478
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004479 case LINK_1000THD:
4480 vars->duplex = DUPLEX_HALF;
4481 /* Fall thru */
4482 case LINK_1000TFD:
4483 vars->line_speed = SPEED_1000;
4484 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004485
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004486 case LINK_2500THD:
4487 vars->duplex = DUPLEX_HALF;
4488 /* Fall thru */
4489 case LINK_2500TFD:
4490 vars->line_speed = SPEED_2500;
4491 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004492
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004493 case LINK_10GTFD:
4494 vars->line_speed = SPEED_10000;
4495 break;
4496 case LINK_20GTFD:
4497 vars->line_speed = SPEED_20000;
4498 break;
4499 default:
4500 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004501 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004502 vars->flow_ctrl = 0;
4503 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
4504 vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
4505
4506 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
4507 vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
4508
4509 if (!vars->flow_ctrl)
4510 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4511
4512 if (vars->line_speed &&
4513 ((vars->line_speed == SPEED_10) ||
4514 (vars->line_speed == SPEED_100))) {
4515 vars->phy_flags |= PHY_SGMII_FLAG;
4516 } else {
4517 vars->phy_flags &= ~PHY_SGMII_FLAG;
4518 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004519 if (vars->line_speed &&
4520 USES_WARPCORE(bp) &&
4521 (vars->line_speed == SPEED_1000))
4522 vars->phy_flags |= PHY_SGMII_FLAG;
Yuval Mintzd2310232012-06-20 19:05:19 +00004523 /* Anything 10 and over uses the bmac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004524 link_10g_plus = (vars->line_speed >= SPEED_10000);
4525
4526 if (link_10g_plus) {
4527 if (USES_WARPCORE(bp))
4528 vars->mac_type = MAC_TYPE_XMAC;
4529 else
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004530 vars->mac_type = MAC_TYPE_BMAC;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004531 } else {
4532 if (USES_WARPCORE(bp))
4533 vars->mac_type = MAC_TYPE_UMAC;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004534 else
4535 vars->mac_type = MAC_TYPE_EMAC;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004536 }
Yuval Mintzd2310232012-06-20 19:05:19 +00004537 } else { /* Link down */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004538 DP(NETIF_MSG_LINK, "phy link down\n");
4539
4540 vars->phy_link_up = 0;
4541
4542 vars->line_speed = 0;
4543 vars->duplex = DUPLEX_FULL;
4544 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4545
Yuval Mintzd2310232012-06-20 19:05:19 +00004546 /* Indicate no mac active */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004547 vars->mac_type = MAC_TYPE_NONE;
Yaniv Rosnerde6f3372011-08-02 22:59:25 +00004548 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4549 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +00004550 if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
4551 vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004552 }
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004553}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004554
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004555void bnx2x_link_status_update(struct link_params *params,
4556 struct link_vars *vars)
4557{
4558 struct bnx2x *bp = params->bp;
4559 u8 port = params->port;
4560 u32 sync_offset, media_types;
4561 /* Update PHY configuration */
4562 set_phy_vars(params, vars);
4563
4564 vars->link_status = REG_RD(bp, params->shmem_base +
4565 offsetof(struct shmem_region,
4566 port_mb[port].link_status));
Yuval Mintz08e9acc2012-09-10 05:51:04 +00004567 if (bnx2x_eee_has_cap(params))
4568 vars->eee_status = REG_RD(bp, params->shmem2_base +
4569 offsetof(struct shmem2_region,
4570 eee_status[params->port]));
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004571
4572 vars->phy_flags = PHY_XGXS_FLAG;
4573 bnx2x_sync_link(params, vars);
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00004574 /* Sync media type */
4575 sync_offset = params->shmem_base +
4576 offsetof(struct shmem_region,
4577 dev_info.port_hw_config[port].media_type);
4578 media_types = REG_RD(bp, sync_offset);
4579
4580 params->phy[INT_PHY].media_type =
4581 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
4582 PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
4583 params->phy[EXT_PHY1].media_type =
4584 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
4585 PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
4586 params->phy[EXT_PHY2].media_type =
4587 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
4588 PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
4589 DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
4590
Yaniv Rosner020c7e32011-05-31 21:28:43 +00004591 /* Sync AEU offset */
4592 sync_offset = params->shmem_base +
4593 offsetof(struct shmem_region,
4594 dev_info.port_hw_config[port].aeu_int_mask);
4595
4596 vars->aeu_int_mask = REG_RD(bp, sync_offset);
4597
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00004598 /* Sync PFC status */
4599 if (vars->link_status & LINK_STATUS_PFC_ENABLED)
4600 params->feature_config_flags |=
4601 FEATURE_CONFIG_PFC_ENABLED;
4602 else
4603 params->feature_config_flags &=
4604 ~FEATURE_CONFIG_PFC_ENABLED;
4605
Yaniv Rosner020c7e32011-05-31 21:28:43 +00004606 DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
4607 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004608 DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
4609 vars->line_speed, vars->duplex, vars->flow_ctrl);
4610}
4611
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004612static void bnx2x_set_master_ln(struct link_params *params,
4613 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004614{
4615 struct bnx2x *bp = params->bp;
4616 u16 new_master_ln, ser_lane;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004617 ser_lane = ((params->lane_config &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004618 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004619 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004620
Yuval Mintzd2310232012-06-20 19:05:19 +00004621 /* Set the master_ln for AN */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004622 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004623 MDIO_REG_BANK_XGXS_BLOCK2,
4624 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4625 &new_master_ln);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004626
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004627 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004628 MDIO_REG_BANK_XGXS_BLOCK2 ,
4629 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4630 (new_master_ln | ser_lane));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004631}
4632
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004633static int bnx2x_reset_unicore(struct link_params *params,
4634 struct bnx2x_phy *phy,
4635 u8 set_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004636{
4637 struct bnx2x *bp = params->bp;
4638 u16 mii_control;
4639 u16 i;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004640 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004641 MDIO_REG_BANK_COMBO_IEEE0,
4642 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004643
Yuval Mintzd2310232012-06-20 19:05:19 +00004644 /* Reset the unicore */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004645 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004646 MDIO_REG_BANK_COMBO_IEEE0,
4647 MDIO_COMBO_IEEE0_MII_CONTROL,
4648 (mii_control |
4649 MDIO_COMBO_IEEO_MII_CONTROL_RESET));
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004650 if (set_serdes)
4651 bnx2x_set_serdes_access(bp, params->port);
Eilon Greensteinc1b73992009-02-12 08:37:07 +00004652
Yuval Mintzd2310232012-06-20 19:05:19 +00004653 /* Wait for the reset to self clear */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004654 for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
4655 udelay(5);
4656
Yuval Mintzd2310232012-06-20 19:05:19 +00004657 /* The reset erased the previous bank value */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004658 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004659 MDIO_REG_BANK_COMBO_IEEE0,
4660 MDIO_COMBO_IEEE0_MII_CONTROL,
4661 &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004662
4663 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
4664 udelay(5);
4665 return 0;
4666 }
4667 }
4668
Yaniv Rosner6d870c32011-01-31 04:22:20 +00004669 netdev_err(bp->dev, "Warning: PHY was not initialized,"
4670 " Port %d\n",
4671 params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004672 DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
4673 return -EINVAL;
4674
4675}
4676
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004677static void bnx2x_set_swap_lanes(struct link_params *params,
4678 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004679{
4680 struct bnx2x *bp = params->bp;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004681 /* Each two bits represents a lane number:
4682 * No swap is 0123 => 0x1b no need to enable the swap
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004683 */
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004684 u16 rx_lane_swap, tx_lane_swap;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004685
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004686 rx_lane_swap = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004687 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
4688 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004689 tx_lane_swap = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004690 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
4691 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004692
4693 if (rx_lane_swap != 0x1b) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004694 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004695 MDIO_REG_BANK_XGXS_BLOCK2,
4696 MDIO_XGXS_BLOCK2_RX_LN_SWAP,
4697 (rx_lane_swap |
4698 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
4699 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004700 } else {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004701 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004702 MDIO_REG_BANK_XGXS_BLOCK2,
4703 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004704 }
4705
4706 if (tx_lane_swap != 0x1b) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004707 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004708 MDIO_REG_BANK_XGXS_BLOCK2,
4709 MDIO_XGXS_BLOCK2_TX_LN_SWAP,
4710 (tx_lane_swap |
4711 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004712 } else {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004713 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004714 MDIO_REG_BANK_XGXS_BLOCK2,
4715 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004716 }
4717}
4718
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004719static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
4720 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004721{
4722 struct bnx2x *bp = params->bp;
4723 u16 control2;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004724 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004725 MDIO_REG_BANK_SERDES_DIGITAL,
4726 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4727 &control2);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004728 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02004729 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4730 else
4731 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004732 DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
4733 phy->speed_cap_mask, control2);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004734 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004735 MDIO_REG_BANK_SERDES_DIGITAL,
4736 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4737 control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004738
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004739 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00004740 (phy->speed_cap_mask &
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02004741 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004742 DP(NETIF_MSG_LINK, "XGXS\n");
4743
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004744 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004745 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4746 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
4747 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004748
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004749 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004750 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4751 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4752 &control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004753
4754
4755 control2 |=
4756 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
4757
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004758 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004759 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4760 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4761 control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004762
4763 /* Disable parallel detection of HiG */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004764 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004765 MDIO_REG_BANK_XGXS_BLOCK2,
4766 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
4767 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
4768 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004769 }
4770}
4771
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004772static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
4773 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004774 struct link_vars *vars,
4775 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004776{
4777 struct bnx2x *bp = params->bp;
4778 u16 reg_val;
4779
4780 /* CL37 Autoneg */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004781 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004782 MDIO_REG_BANK_COMBO_IEEE0,
4783 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004784
4785 /* CL37 Autoneg Enabled */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004786 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004787 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
4788 else /* CL37 Autoneg Disabled */
4789 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4790 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
4791
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004792 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004793 MDIO_REG_BANK_COMBO_IEEE0,
4794 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004795
4796 /* Enable/Disable Autodetection */
4797
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004798 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004799 MDIO_REG_BANK_SERDES_DIGITAL,
4800 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00004801 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
4802 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
4803 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004804 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004805 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
4806 else
4807 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
4808
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_SERDES_DIGITAL,
4811 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004812
4813 /* Enable TetonII and BAM autoneg */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004814 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004815 MDIO_REG_BANK_BAM_NEXT_PAGE,
4816 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004817 &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004818 if (vars->line_speed == SPEED_AUTO_NEG) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004819 /* Enable BAM aneg Mode and TetonII aneg Mode */
4820 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
4821 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
4822 } else {
4823 /* TetonII and BAM Autoneg Disabled */
4824 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
4825 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
4826 }
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_BAM_NEXT_PAGE,
4829 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
4830 reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004831
Eilon Greenstein239d6862009-08-12 08:23:04 +00004832 if (enable_cl73) {
4833 /* Enable Cl73 FSM status bits */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004834 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004835 MDIO_REG_BANK_CL73_USERB0,
4836 MDIO_CL73_USERB0_CL73_UCTRL,
4837 0xe);
Eilon Greenstein239d6862009-08-12 08:23:04 +00004838
4839 /* Enable BAM Station Manager*/
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004840 CL22_WR_OVER_CL45(bp, phy,
Eilon Greenstein239d6862009-08-12 08:23:04 +00004841 MDIO_REG_BANK_CL73_USERB0,
4842 MDIO_CL73_USERB0_CL73_BAM_CTRL1,
4843 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
4844 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
4845 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
4846
Yaniv Rosner7846e472009-11-05 19:18:07 +02004847 /* Advertise CL73 link speeds */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004848 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004849 MDIO_REG_BANK_CL73_IEEEB1,
4850 MDIO_CL73_IEEEB1_AN_ADV2,
4851 &reg_val);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004852 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02004853 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
4854 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004855 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02004856 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
4857 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
Eilon Greenstein239d6862009-08-12 08:23:04 +00004858
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004859 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004860 MDIO_REG_BANK_CL73_IEEEB1,
4861 MDIO_CL73_IEEEB1_AN_ADV2,
4862 reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00004863
Eilon Greenstein239d6862009-08-12 08:23:04 +00004864 /* CL73 Autoneg Enabled */
4865 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
4866
4867 } else /* CL73 Autoneg Disabled */
4868 reg_val = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004869
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004870 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004871 MDIO_REG_BANK_CL73_IEEEB0,
4872 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004873}
4874
Yuval Mintzd2310232012-06-20 19:05:19 +00004875/* Program SerDes, forced speed */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004876static void bnx2x_program_serdes(struct bnx2x_phy *phy,
4877 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004878 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004879{
4880 struct bnx2x *bp = params->bp;
4881 u16 reg_val;
4882
Yuval Mintzd2310232012-06-20 19:05:19 +00004883 /* Program duplex, disable autoneg and sgmii*/
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004884 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004885 MDIO_REG_BANK_COMBO_IEEE0,
4886 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004887 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
Eilon Greenstein57937202009-08-12 08:23:53 +00004888 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4889 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004890 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004891 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004892 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004893 MDIO_REG_BANK_COMBO_IEEE0,
4894 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004895
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004896 /* Program speed
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004897 * - needed only if the speed is greater than 1G (2.5G or 10G)
4898 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004899 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004900 MDIO_REG_BANK_SERDES_DIGITAL,
4901 MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Yuval Mintzd2310232012-06-20 19:05:19 +00004902 /* Clearing the speed value before setting the right speed */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004903 DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
4904
4905 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
4906 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
4907
4908 if (!((vars->line_speed == SPEED_1000) ||
4909 (vars->line_speed == SPEED_100) ||
4910 (vars->line_speed == SPEED_10))) {
4911
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004912 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
4913 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004914 if (vars->line_speed == SPEED_10000)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004915 reg_val |=
4916 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004917 }
4918
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004919 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004920 MDIO_REG_BANK_SERDES_DIGITAL,
4921 MDIO_SERDES_DIGITAL_MISC1, reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004922
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004923}
4924
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00004925static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
4926 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004927{
4928 struct bnx2x *bp = params->bp;
4929 u16 val = 0;
4930
Yuval Mintzd2310232012-06-20 19:05:19 +00004931 /* Set extended capabilities */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004932 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004933 val |= MDIO_OVER_1G_UP1_2_5G;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004934 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004935 val |= MDIO_OVER_1G_UP1_10G;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004936 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004937 MDIO_REG_BANK_OVER_1G,
4938 MDIO_OVER_1G_UP1, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004939
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_OVER_1G,
4942 MDIO_OVER_1G_UP3, 0x400);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004943}
4944
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00004945static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
4946 struct link_params *params,
4947 u16 ieee_fc)
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004948{
4949 struct bnx2x *bp = params->bp;
Yaniv Rosner7846e472009-11-05 19:18:07 +02004950 u16 val;
Yuval Mintzd2310232012-06-20 19:05:19 +00004951 /* For AN, we are always publishing full duplex */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004952
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004953 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004954 MDIO_REG_BANK_COMBO_IEEE0,
4955 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004956 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004957 MDIO_REG_BANK_CL73_IEEEB1,
4958 MDIO_CL73_IEEEB1_AN_ADV1, &val);
Yaniv Rosner7846e472009-11-05 19:18:07 +02004959 val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
4960 val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004961 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004962 MDIO_REG_BANK_CL73_IEEEB1,
4963 MDIO_CL73_IEEEB1_AN_ADV1, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004964}
4965
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004966static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
4967 struct link_params *params,
4968 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004969{
4970 struct bnx2x *bp = params->bp;
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00004971 u16 mii_control;
Eilon Greenstein239d6862009-08-12 08:23:04 +00004972
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004973 DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00004974 /* Enable and restart BAM/CL37 aneg */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004975
Eilon Greenstein239d6862009-08-12 08:23:04 +00004976 if (enable_cl73) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004977 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004978 MDIO_REG_BANK_CL73_IEEEB0,
4979 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
4980 &mii_control);
Eilon Greenstein239d6862009-08-12 08:23:04 +00004981
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004982 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004983 MDIO_REG_BANK_CL73_IEEEB0,
4984 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
4985 (mii_control |
4986 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
4987 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
Eilon Greenstein239d6862009-08-12 08:23:04 +00004988 } else {
4989
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004990 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004991 MDIO_REG_BANK_COMBO_IEEE0,
4992 MDIO_COMBO_IEEE0_MII_CONTROL,
4993 &mii_control);
Eilon Greenstein239d6862009-08-12 08:23:04 +00004994 DP(NETIF_MSG_LINK,
4995 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
4996 mii_control);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004997 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004998 MDIO_REG_BANK_COMBO_IEEE0,
4999 MDIO_COMBO_IEEE0_MII_CONTROL,
5000 (mii_control |
5001 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5002 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
Eilon Greenstein239d6862009-08-12 08:23:04 +00005003 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005004}
5005
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005006static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
5007 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005008 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005009{
5010 struct bnx2x *bp = params->bp;
5011 u16 control1;
5012
Yuval Mintzd2310232012-06-20 19:05:19 +00005013 /* In SGMII mode, the unicore is always slave */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005014
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005015 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005016 MDIO_REG_BANK_SERDES_DIGITAL,
5017 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5018 &control1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005019 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
Yuval Mintzd2310232012-06-20 19:05:19 +00005020 /* Set sgmii mode (and not fiber) */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005021 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
5022 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
5023 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005024 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005025 MDIO_REG_BANK_SERDES_DIGITAL,
5026 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5027 control1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005028
Yuval Mintzd2310232012-06-20 19:05:19 +00005029 /* If forced speed */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005030 if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Yuval Mintzd2310232012-06-20 19:05:19 +00005031 /* Set speed, disable autoneg */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005032 u16 mii_control;
5033
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005034 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005035 MDIO_REG_BANK_COMBO_IEEE0,
5036 MDIO_COMBO_IEEE0_MII_CONTROL,
5037 &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005038 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5039 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
5040 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
5041
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005042 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005043 case SPEED_100:
5044 mii_control |=
5045 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
5046 break;
5047 case SPEED_1000:
5048 mii_control |=
5049 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
5050 break;
5051 case SPEED_10:
Yuval Mintzd2310232012-06-20 19:05:19 +00005052 /* There is nothing to set for 10M */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005053 break;
5054 default:
Yuval Mintzd2310232012-06-20 19:05:19 +00005055 /* Invalid speed for SGMII */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005056 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5057 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005058 break;
5059 }
5060
Yuval Mintzd2310232012-06-20 19:05:19 +00005061 /* Setting the full duplex */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005062 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005063 mii_control |=
5064 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005065 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005066 MDIO_REG_BANK_COMBO_IEEE0,
5067 MDIO_COMBO_IEEE0_MII_CONTROL,
5068 mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005069
5070 } else { /* AN mode */
Yuval Mintzd2310232012-06-20 19:05:19 +00005071 /* Enable and restart AN */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005072 bnx2x_restart_autoneg(phy, params, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005073 }
5074}
5075
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00005076/* Link management
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005077 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005078static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
5079 struct link_params *params)
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02005080{
5081 struct bnx2x *bp = params->bp;
5082 u16 pd_10g, status2_1000x;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005083 if (phy->req_line_speed != SPEED_AUTO_NEG)
5084 return 0;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005085 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005086 MDIO_REG_BANK_SERDES_DIGITAL,
5087 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5088 &status2_1000x);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005089 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005090 MDIO_REG_BANK_SERDES_DIGITAL,
5091 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5092 &status2_1000x);
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02005093 if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
5094 DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
5095 params->port);
5096 return 1;
5097 }
5098
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005099 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005100 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5101 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
5102 &pd_10g);
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02005103
5104 if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
5105 DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
5106 params->port);
5107 return 1;
5108 }
5109 return 0;
5110}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005111
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005112static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
5113 struct link_params *params,
5114 struct link_vars *vars,
5115 u32 gp_status)
5116{
5117 u16 ld_pause; /* local driver */
5118 u16 lp_pause; /* link partner */
5119 u16 pause_result;
5120 struct bnx2x *bp = params->bp;
5121 if ((gp_status &
5122 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5123 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
5124 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5125 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
5126
5127 CL22_RD_OVER_CL45(bp, phy,
5128 MDIO_REG_BANK_CL73_IEEEB1,
5129 MDIO_CL73_IEEEB1_AN_ADV1,
5130 &ld_pause);
5131 CL22_RD_OVER_CL45(bp, phy,
5132 MDIO_REG_BANK_CL73_IEEEB1,
5133 MDIO_CL73_IEEEB1_AN_LP_ADV1,
5134 &lp_pause);
5135 pause_result = (ld_pause &
5136 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
5137 pause_result |= (lp_pause &
5138 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
5139 DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
5140 } else {
5141 CL22_RD_OVER_CL45(bp, phy,
5142 MDIO_REG_BANK_COMBO_IEEE0,
5143 MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
5144 &ld_pause);
5145 CL22_RD_OVER_CL45(bp, phy,
5146 MDIO_REG_BANK_COMBO_IEEE0,
5147 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
5148 &lp_pause);
5149 pause_result = (ld_pause &
5150 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
5151 pause_result |= (lp_pause &
5152 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
5153 DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
5154 }
5155 bnx2x_pause_resolve(vars, pause_result);
5156
5157}
5158
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005159static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
5160 struct link_params *params,
5161 struct link_vars *vars,
5162 u32 gp_status)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005163{
5164 struct bnx2x *bp = params->bp;
David S. Millerc0700f92008-12-16 23:53:20 -08005165 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005166
Yuval Mintzd2310232012-06-20 19:05:19 +00005167 /* Resolve from gp_status in case of AN complete and not sgmii */
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005168 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
5169 /* Update the advertised flow-controled of LD/LP in AN */
5170 if (phy->req_line_speed == SPEED_AUTO_NEG)
5171 bnx2x_update_adv_fc(phy, params, vars, gp_status);
5172 /* But set the flow-control result as the requested one */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005173 vars->flow_ctrl = phy->req_flow_ctrl;
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005174 } else if (phy->req_line_speed != SPEED_AUTO_NEG)
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005175 vars->flow_ctrl = params->req_fc_auto_adv;
5176 else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
5177 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005178 if (bnx2x_direct_parallel_detect_used(phy, params)) {
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02005179 vars->flow_ctrl = params->req_fc_auto_adv;
5180 return;
5181 }
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005182 bnx2x_update_adv_fc(phy, params, vars, gp_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005183 }
5184 DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
5185}
5186
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005187static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
5188 struct link_params *params)
Eilon Greenstein239d6862009-08-12 08:23:04 +00005189{
5190 struct bnx2x *bp = params->bp;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005191 u16 rx_status, ustat_val, cl37_fsm_received;
Eilon Greenstein239d6862009-08-12 08:23:04 +00005192 DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
5193 /* Step 1: Make sure signal is detected */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005194 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005195 MDIO_REG_BANK_RX0,
5196 MDIO_RX0_RX_STATUS,
5197 &rx_status);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005198 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
5199 (MDIO_RX0_RX_STATUS_SIGDET)) {
5200 DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
5201 "rx_status(0x80b0) = 0x%x\n", rx_status);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005202 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005203 MDIO_REG_BANK_CL73_IEEEB0,
5204 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5205 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005206 return;
5207 }
5208 /* Step 2: Check CL73 state machine */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005209 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005210 MDIO_REG_BANK_CL73_USERB0,
5211 MDIO_CL73_USERB0_CL73_USTAT1,
5212 &ustat_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005213 if ((ustat_val &
5214 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5215 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
5216 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5217 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
5218 DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
5219 "ustat_val(0x8371) = 0x%x\n", ustat_val);
5220 return;
5221 }
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00005222 /* Step 3: Check CL37 Message Pages received to indicate LP
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005223 * supports only CL37
5224 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005225 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005226 MDIO_REG_BANK_REMOTE_PHY,
5227 MDIO_REMOTE_PHY_MISC_RX_STATUS,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005228 &cl37_fsm_received);
5229 if ((cl37_fsm_received &
Eilon Greenstein239d6862009-08-12 08:23:04 +00005230 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5231 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
5232 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5233 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
5234 DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
5235 "misc_rx_status(0x8330) = 0x%x\n",
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005236 cl37_fsm_received);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005237 return;
5238 }
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00005239 /* The combined cl37/cl73 fsm state information indicating that
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005240 * we are connected to a device which does not support cl73, but
5241 * does support cl37 BAM. In this case we disable cl73 and
5242 * restart cl37 auto-neg
5243 */
5244
Eilon Greenstein239d6862009-08-12 08:23:04 +00005245 /* Disable CL73 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005246 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005247 MDIO_REG_BANK_CL73_IEEEB0,
5248 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5249 0);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005250 /* Restart CL37 autoneg */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005251 bnx2x_restart_autoneg(phy, params, 0);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005252 DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
5253}
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005254
5255static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
5256 struct link_params *params,
5257 struct link_vars *vars,
5258 u32 gp_status)
5259{
5260 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
5261 vars->link_status |=
5262 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5263
5264 if (bnx2x_direct_parallel_detect_used(phy, params))
5265 vars->link_status |=
5266 LINK_STATUS_PARALLEL_DETECTION_USED;
5267}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005268static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
5269 struct link_params *params,
5270 struct link_vars *vars,
5271 u16 is_link_up,
5272 u16 speed_mask,
5273 u16 is_duplex)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005274{
5275 struct bnx2x *bp = params->bp;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005276 if (phy->req_line_speed == SPEED_AUTO_NEG)
5277 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005278 if (is_link_up) {
5279 DP(NETIF_MSG_LINK, "phy link up\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005280
5281 vars->phy_link_up = 1;
5282 vars->link_status |= LINK_STATUS_LINK_UP;
5283
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005284 switch (speed_mask) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005285 case GP_STATUS_10M:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005286 vars->line_speed = SPEED_10;
Yaniv Rosner430d1722012-09-11 04:34:11 +00005287 if (is_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005288 vars->link_status |= LINK_10TFD;
5289 else
5290 vars->link_status |= LINK_10THD;
5291 break;
5292
5293 case GP_STATUS_100M:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005294 vars->line_speed = SPEED_100;
Yaniv Rosner430d1722012-09-11 04:34:11 +00005295 if (is_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005296 vars->link_status |= LINK_100TXFD;
5297 else
5298 vars->link_status |= LINK_100TXHD;
5299 break;
5300
5301 case GP_STATUS_1G:
5302 case GP_STATUS_1G_KX:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005303 vars->line_speed = SPEED_1000;
Yaniv Rosner430d1722012-09-11 04:34:11 +00005304 if (is_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005305 vars->link_status |= LINK_1000TFD;
5306 else
5307 vars->link_status |= LINK_1000THD;
5308 break;
5309
5310 case GP_STATUS_2_5G:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005311 vars->line_speed = SPEED_2500;
Yaniv Rosner430d1722012-09-11 04:34:11 +00005312 if (is_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005313 vars->link_status |= LINK_2500TFD;
5314 else
5315 vars->link_status |= LINK_2500THD;
5316 break;
5317
5318 case GP_STATUS_5G:
5319 case GP_STATUS_6G:
5320 DP(NETIF_MSG_LINK,
5321 "link speed unsupported gp_status 0x%x\n",
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005322 speed_mask);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005323 return -EINVAL;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005324
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005325 case GP_STATUS_10G_KX4:
5326 case GP_STATUS_10G_HIG:
5327 case GP_STATUS_10G_CX4:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005328 case GP_STATUS_10G_KR:
5329 case GP_STATUS_10G_SFI:
5330 case GP_STATUS_10G_XFI:
5331 vars->line_speed = SPEED_10000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005332 vars->link_status |= LINK_10GTFD;
5333 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005334 case GP_STATUS_20G_DXGXS:
5335 vars->line_speed = SPEED_20000;
5336 vars->link_status |= LINK_20GTFD;
5337 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005338 default:
5339 DP(NETIF_MSG_LINK,
5340 "link speed unsupported gp_status 0x%x\n",
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005341 speed_mask);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005342 return -EINVAL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005343 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005344 } else { /* link_down */
5345 DP(NETIF_MSG_LINK, "phy link down\n");
5346
5347 vars->phy_link_up = 0;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005348
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005349 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08005350 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005351 vars->mac_type = MAC_TYPE_NONE;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005352 }
5353 DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
5354 vars->phy_link_up, vars->line_speed);
5355 return 0;
5356}
Eilon Greenstein239d6862009-08-12 08:23:04 +00005357
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005358static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
5359 struct link_params *params,
5360 struct link_vars *vars)
5361{
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005362 struct bnx2x *bp = params->bp;
5363
5364 u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
5365 int rc = 0;
5366
5367 /* Read gp_status */
5368 CL22_RD_OVER_CL45(bp, phy,
5369 MDIO_REG_BANK_GP_STATUS,
5370 MDIO_GP_STATUS_TOP_AN_STATUS1,
5371 &gp_status);
5372 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
5373 duplex = DUPLEX_FULL;
5374 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
5375 link_up = 1;
5376 speed_mask = gp_status & GP_STATUS_SPEED_MASK;
5377 DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
5378 gp_status, link_up, speed_mask);
5379 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
5380 duplex);
5381 if (rc == -EINVAL)
5382 return rc;
5383
5384 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
5385 if (SINGLE_MEDIA_DIRECT(params)) {
Yaniv Rosner430d1722012-09-11 04:34:11 +00005386 vars->duplex = duplex;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005387 bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
5388 if (phy->req_line_speed == SPEED_AUTO_NEG)
5389 bnx2x_xgxs_an_resolve(phy, params, vars,
5390 gp_status);
5391 }
Yuval Mintzd2310232012-06-20 19:05:19 +00005392 } else { /* Link_down */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005393 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5394 SINGLE_MEDIA_DIRECT(params)) {
Eilon Greenstein239d6862009-08-12 08:23:04 +00005395 /* Check signal is detected */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005396 bnx2x_check_fallback_to_cl37(phy, params);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005397 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005398 }
5399
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005400 /* Read LP advertised speeds*/
5401 if (SINGLE_MEDIA_DIRECT(params) &&
5402 (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
5403 u16 val;
5404
5405 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
5406 MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
5407
5408 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5409 vars->link_status |=
5410 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5411 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5412 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5413 vars->link_status |=
5414 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5415
5416 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
5417 MDIO_OVER_1G_LP_UP1, &val);
5418
5419 if (val & MDIO_OVER_1G_UP1_2_5G)
5420 vars->link_status |=
5421 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5422 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5423 vars->link_status |=
5424 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5425 }
5426
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005427 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5428 vars->duplex, vars->flow_ctrl, vars->link_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005429 return rc;
5430}
5431
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005432static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
5433 struct link_params *params,
5434 struct link_vars *vars)
5435{
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005436 struct bnx2x *bp = params->bp;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005437 u8 lane;
5438 u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
5439 int rc = 0;
5440 lane = bnx2x_get_warpcore_lane(phy, params);
5441 /* Read gp_status */
5442 if (phy->req_line_speed > SPEED_10000) {
5443 u16 temp_link_up;
5444 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5445 1, &temp_link_up);
5446 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5447 1, &link_up);
5448 DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
5449 temp_link_up, link_up);
5450 link_up &= (1<<2);
5451 if (link_up)
5452 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5453 } else {
5454 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5455 MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
5456 DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
5457 /* Check for either KR or generic link up. */
5458 gp_status1 = ((gp_status1 >> 8) & 0xf) |
5459 ((gp_status1 >> 12) & 0xf);
5460 link_up = gp_status1 & (1 << lane);
5461 if (link_up && SINGLE_MEDIA_DIRECT(params)) {
5462 u16 pd, gp_status4;
5463 if (phy->req_line_speed == SPEED_AUTO_NEG) {
5464 /* Check Autoneg complete */
5465 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5466 MDIO_WC_REG_GP2_STATUS_GP_2_4,
5467 &gp_status4);
5468 if (gp_status4 & ((1<<12)<<lane))
5469 vars->link_status |=
5470 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5471
5472 /* Check parallel detect used */
5473 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5474 MDIO_WC_REG_PAR_DET_10G_STATUS,
5475 &pd);
5476 if (pd & (1<<15))
5477 vars->link_status |=
5478 LINK_STATUS_PARALLEL_DETECTION_USED;
5479 }
5480 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner430d1722012-09-11 04:34:11 +00005481 vars->duplex = duplex;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005482 }
5483 }
5484
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005485 if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
5486 SINGLE_MEDIA_DIRECT(params)) {
5487 u16 val;
5488
5489 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5490 MDIO_AN_REG_LP_AUTO_NEG2, &val);
5491
5492 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5493 vars->link_status |=
5494 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5495 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5496 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5497 vars->link_status |=
5498 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5499
5500 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5501 MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
5502
5503 if (val & MDIO_OVER_1G_UP1_2_5G)
5504 vars->link_status |=
5505 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5506 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5507 vars->link_status |=
5508 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5509
5510 }
5511
5512
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005513 if (lane < 2) {
5514 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5515 MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
5516 } else {
5517 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5518 MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
5519 }
5520 DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
5521
5522 if ((lane & 1) == 0)
5523 gp_speed <<= 8;
5524 gp_speed &= 0x3f00;
5525
5526
5527 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
5528 duplex);
5529
5530 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5531 vars->duplex, vars->flow_ctrl, vars->link_status);
5532 return rc;
5533}
Eilon Greensteined8680a2009-02-12 08:37:12 +00005534static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005535{
5536 struct bnx2x *bp = params->bp;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005537 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005538 u16 lp_up2;
5539 u16 tx_driver;
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005540 u16 bank;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005541
Yuval Mintzd2310232012-06-20 19:05:19 +00005542 /* Read precomp */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005543 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005544 MDIO_REG_BANK_OVER_1G,
5545 MDIO_OVER_1G_LP_UP2, &lp_up2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005546
Yuval Mintzd2310232012-06-20 19:05:19 +00005547 /* Bits [10:7] at lp_up2, positioned at [15:12] */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005548 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
5549 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
5550 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
5551
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005552 if (lp_up2 == 0)
5553 return;
5554
5555 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
5556 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005557 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005558 bank,
5559 MDIO_TX0_TX_DRIVER, &tx_driver);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005560
Yuval Mintzd2310232012-06-20 19:05:19 +00005561 /* Replace tx_driver bits [15:12] */
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005562 if (lp_up2 !=
5563 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
5564 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
5565 tx_driver |= lp_up2;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005566 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005567 bank,
5568 MDIO_TX0_TX_DRIVER, tx_driver);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005569 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005570 }
5571}
5572
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005573static int bnx2x_emac_program(struct link_params *params,
5574 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005575{
5576 struct bnx2x *bp = params->bp;
5577 u8 port = params->port;
5578 u16 mode = 0;
5579
5580 DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
5581 bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005582 EMAC_REG_EMAC_MODE,
5583 (EMAC_MODE_25G_MODE |
5584 EMAC_MODE_PORT_MII_10M |
5585 EMAC_MODE_HALF_DUPLEX));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005586 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005587 case SPEED_10:
5588 mode |= EMAC_MODE_PORT_MII_10M;
5589 break;
5590
5591 case SPEED_100:
5592 mode |= EMAC_MODE_PORT_MII;
5593 break;
5594
5595 case SPEED_1000:
5596 mode |= EMAC_MODE_PORT_GMII;
5597 break;
5598
5599 case SPEED_2500:
5600 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
5601 break;
5602
5603 default:
5604 /* 10G not valid for EMAC */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005605 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5606 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005607 return -EINVAL;
5608 }
5609
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005610 if (vars->duplex == DUPLEX_HALF)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005611 mode |= EMAC_MODE_HALF_DUPLEX;
5612 bnx2x_bits_en(bp,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005613 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
5614 mode);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005615
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005616 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005617 return 0;
5618}
5619
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005620static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
5621 struct link_params *params)
5622{
5623
5624 u16 bank, i = 0;
5625 struct bnx2x *bp = params->bp;
5626
5627 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
5628 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005629 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005630 bank,
5631 MDIO_RX0_RX_EQ_BOOST,
5632 phy->rx_preemphasis[i]);
5633 }
5634
5635 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
5636 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005637 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005638 bank,
5639 MDIO_TX0_TX_DRIVER,
5640 phy->tx_preemphasis[i]);
5641 }
5642}
5643
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005644static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
5645 struct link_params *params,
5646 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005647{
5648 struct bnx2x *bp = params->bp;
5649 u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
5650 (params->loopback_mode == LOOPBACK_XGXS));
5651 if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
5652 if (SINGLE_MEDIA_DIRECT(params) &&
5653 (params->feature_config_flags &
5654 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
5655 bnx2x_set_preemphasis(phy, params);
5656
Yuval Mintzd2310232012-06-20 19:05:19 +00005657 /* Forced speed requested? */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005658 if (vars->line_speed != SPEED_AUTO_NEG ||
5659 (SINGLE_MEDIA_DIRECT(params) &&
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005660 params->loopback_mode == LOOPBACK_EXT)) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005661 DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
5662
Yuval Mintzd2310232012-06-20 19:05:19 +00005663 /* Disable autoneg */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005664 bnx2x_set_autoneg(phy, params, vars, 0);
5665
Yuval Mintzd2310232012-06-20 19:05:19 +00005666 /* Program speed and duplex */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005667 bnx2x_program_serdes(phy, params, vars);
5668
5669 } else { /* AN_mode */
5670 DP(NETIF_MSG_LINK, "not SGMII, AN\n");
5671
5672 /* AN enabled */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005673 bnx2x_set_brcm_cl37_advertisement(phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005674
Yuval Mintzd2310232012-06-20 19:05:19 +00005675 /* Program duplex & pause advertisement (for aneg) */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005676 bnx2x_set_ieee_aneg_advertisement(phy, params,
5677 vars->ieee_fc);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005678
Yuval Mintzd2310232012-06-20 19:05:19 +00005679 /* Enable autoneg */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005680 bnx2x_set_autoneg(phy, params, vars, enable_cl73);
5681
Yuval Mintzd2310232012-06-20 19:05:19 +00005682 /* Enable and restart AN */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005683 bnx2x_restart_autoneg(phy, params, enable_cl73);
5684 }
5685
5686 } else { /* SGMII mode */
5687 DP(NETIF_MSG_LINK, "SGMII\n");
5688
5689 bnx2x_initialize_sgmii_process(phy, params, vars);
5690 }
5691}
5692
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005693static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
5694 struct link_params *params,
5695 struct link_vars *vars)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005696{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005697 int rc;
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005698 vars->phy_flags |= PHY_XGXS_FLAG;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005699 if ((phy->req_line_speed &&
5700 ((phy->req_line_speed == SPEED_100) ||
5701 (phy->req_line_speed == SPEED_10))) ||
5702 (!phy->req_line_speed &&
5703 (phy->speed_cap_mask >=
5704 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
5705 (phy->speed_cap_mask <
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005706 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5707 (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005708 vars->phy_flags |= PHY_SGMII_FLAG;
5709 else
5710 vars->phy_flags &= ~PHY_SGMII_FLAG;
5711
5712 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005713 bnx2x_set_aer_mmd(params, phy);
5714 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
5715 bnx2x_set_master_ln(params, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005716
5717 rc = bnx2x_reset_unicore(params, phy, 0);
Yuval Mintzd2310232012-06-20 19:05:19 +00005718 /* Reset the SerDes and wait for reset bit return low */
5719 if (rc)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005720 return rc;
5721
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005722 bnx2x_set_aer_mmd(params, phy);
Yuval Mintzd2310232012-06-20 19:05:19 +00005723 /* Setting the masterLn_def again after the reset */
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005724 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
5725 bnx2x_set_master_ln(params, phy);
5726 bnx2x_set_swap_lanes(params, phy);
5727 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005728
5729 return rc;
5730}
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005731
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005732static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
Yaniv Rosner6d870c32011-01-31 04:22:20 +00005733 struct bnx2x_phy *phy,
5734 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005735{
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005736 u16 cnt, ctrl;
Lucas De Marchi25985ed2011-03-30 22:57:33 -03005737 /* Wait for soft reset to get cleared up to 1 sec */
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005738 for (cnt = 0; cnt < 1000; cnt++) {
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +00005739 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
Yaniv Rosner6583e332011-06-14 01:34:17 +00005740 bnx2x_cl22_read(bp, phy,
5741 MDIO_PMA_REG_CTRL, &ctrl);
5742 else
5743 bnx2x_cl45_read(bp, phy,
5744 MDIO_PMA_DEVAD,
5745 MDIO_PMA_REG_CTRL, &ctrl);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005746 if (!(ctrl & (1<<15)))
5747 break;
Yuval Mintzd2310232012-06-20 19:05:19 +00005748 usleep_range(1000, 2000);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005749 }
Yaniv Rosner6d870c32011-01-31 04:22:20 +00005750
5751 if (cnt == 1000)
5752 netdev_err(bp->dev, "Warning: PHY was not initialized,"
5753 " Port %d\n",
5754 params->port);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005755 DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
5756 return cnt;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005757}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005758
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005759static void bnx2x_link_int_enable(struct link_params *params)
5760{
5761 u8 port = params->port;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005762 u32 mask;
5763 struct bnx2x *bp = params->bp;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005764
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005765 /* Setting the status to report on link up for either XGXS or SerDes */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005766 if (CHIP_IS_E3(bp)) {
5767 mask = NIG_MASK_XGXS0_LINK_STATUS;
5768 if (!(SINGLE_MEDIA_DIRECT(params)))
5769 mask |= NIG_MASK_MI_INT;
5770 } else if (params->switch_cfg == SWITCH_CFG_10G) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005771 mask = (NIG_MASK_XGXS0_LINK10G |
5772 NIG_MASK_XGXS0_LINK_STATUS);
5773 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005774 if (!(SINGLE_MEDIA_DIRECT(params)) &&
5775 params->phy[INT_PHY].type !=
5776 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005777 mask |= NIG_MASK_MI_INT;
5778 DP(NETIF_MSG_LINK, "enabled external phy int\n");
5779 }
5780
5781 } else { /* SerDes */
5782 mask = NIG_MASK_SERDES0_LINK_STATUS;
5783 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005784 if (!(SINGLE_MEDIA_DIRECT(params)) &&
5785 params->phy[INT_PHY].type !=
5786 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005787 mask |= NIG_MASK_MI_INT;
5788 DP(NETIF_MSG_LINK, "enabled external phy int\n");
5789 }
5790 }
5791 bnx2x_bits_en(bp,
5792 NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
5793 mask);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005794
5795 DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005796 (params->switch_cfg == SWITCH_CFG_10G),
5797 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005798 DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
5799 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
5800 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
5801 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
5802 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
5803 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
5804 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
5805}
5806
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005807static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
5808 u8 exp_mi_int)
Eilon Greenstein2f904462009-08-12 08:22:16 +00005809{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005810 u32 latch_status = 0;
5811
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00005812 /* Disable the MI INT ( external phy int ) by writing 1 to the
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005813 * status register. Link down indication is high-active-signal,
5814 * so in this case we need to write the status to clear the XOR
Eilon Greenstein2f904462009-08-12 08:22:16 +00005815 */
5816 /* Read Latched signals */
5817 latch_status = REG_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005818 NIG_REG_LATCH_STATUS_0 + port*8);
5819 DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
Eilon Greenstein2f904462009-08-12 08:22:16 +00005820 /* Handle only those with latched-signal=up.*/
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005821 if (exp_mi_int)
5822 bnx2x_bits_en(bp,
5823 NIG_REG_STATUS_INTERRUPT_PORT0
5824 + port*4,
5825 NIG_STATUS_EMAC0_MI_INT);
5826 else
5827 bnx2x_bits_dis(bp,
5828 NIG_REG_STATUS_INTERRUPT_PORT0
5829 + port*4,
5830 NIG_STATUS_EMAC0_MI_INT);
5831
Eilon Greenstein2f904462009-08-12 08:22:16 +00005832 if (latch_status & 1) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005833
Eilon Greenstein2f904462009-08-12 08:22:16 +00005834 /* For all latched-signal=up : Re-Arm Latch signals */
5835 REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005836 (latch_status & 0xfffe) | (latch_status & 1));
Eilon Greenstein2f904462009-08-12 08:22:16 +00005837 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005838 /* For all latched-signal=up,Write original_signal to status */
Eilon Greenstein2f904462009-08-12 08:22:16 +00005839}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005840
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005841static void bnx2x_link_int_ack(struct link_params *params,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005842 struct link_vars *vars, u8 is_10g_plus)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005843{
5844 struct bnx2x *bp = params->bp;
5845 u8 port = params->port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005846 u32 mask;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00005847 /* First reset all status we assume only one line will be
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005848 * change at a time
5849 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005850 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005851 (NIG_STATUS_XGXS0_LINK10G |
5852 NIG_STATUS_XGXS0_LINK_STATUS |
5853 NIG_STATUS_SERDES0_LINK_STATUS));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005854 if (vars->phy_link_up) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005855 if (USES_WARPCORE(bp))
5856 mask = NIG_STATUS_XGXS0_LINK_STATUS;
5857 else {
5858 if (is_10g_plus)
5859 mask = NIG_STATUS_XGXS0_LINK10G;
5860 else if (params->switch_cfg == SWITCH_CFG_10G) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00005861 /* Disable the link interrupt by writing 1 to
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005862 * the relevant lane in the status register
5863 */
5864 u32 ser_lane =
5865 ((params->lane_config &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005866 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
5867 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005868 mask = ((1 << ser_lane) <<
5869 NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
5870 } else
5871 mask = NIG_STATUS_SERDES0_LINK_STATUS;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005872 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005873 DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
5874 mask);
5875 bnx2x_bits_en(bp,
5876 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
5877 mask);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005878 }
5879}
5880
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005881static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005882{
5883 u8 *str_ptr = str;
5884 u32 mask = 0xf0000000;
5885 u8 shift = 8*4;
5886 u8 digit;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005887 u8 remove_leading_zeros = 1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005888 if (*len < 10) {
Frederik Schwarzer025dfda2008-10-16 19:02:37 +02005889 /* Need more than 10chars for this format */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005890 *str_ptr = '\0';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005891 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005892 return -EINVAL;
5893 }
5894 while (shift > 0) {
5895
5896 shift -= 4;
5897 digit = ((num & mask) >> shift);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005898 if (digit == 0 && remove_leading_zeros) {
5899 mask = mask >> 4;
5900 continue;
5901 } else if (digit < 0xa)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005902 *str_ptr = digit + '0';
5903 else
5904 *str_ptr = digit - 0xa + 'a';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005905 remove_leading_zeros = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005906 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005907 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005908 mask = mask >> 4;
5909 if (shift == 4*4) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005910 *str_ptr = '.';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005911 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005912 (*len)--;
5913 remove_leading_zeros = 1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005914 }
5915 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005916 return 0;
5917}
5918
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005919
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005920static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005921{
5922 str[0] = '\0';
5923 (*len)--;
5924 return 0;
5925}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005926
Mintz Yuvala1e785e2012-02-15 02:10:32 +00005927int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
5928 u16 len)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005929{
Julia Lawall0376d5b2009-07-19 05:26:35 +00005930 struct bnx2x *bp;
Eilon Greensteina35da8d2009-02-12 08:37:02 +00005931 u32 spirom_ver = 0;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005932 int status = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005933 u8 *ver_p = version;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005934 u16 remain_len = len;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005935 if (version == NULL || params == NULL)
5936 return -EINVAL;
Julia Lawall0376d5b2009-07-19 05:26:35 +00005937 bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005938
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005939 /* Extract first external phy*/
5940 version[0] = '\0';
5941 spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
Eilon Greensteina35da8d2009-02-12 08:37:02 +00005942
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005943 if (params->phy[EXT_PHY1].format_fw_ver) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005944 status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
5945 ver_p,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005946 &remain_len);
5947 ver_p += (len - remain_len);
5948 }
5949 if ((params->num_phys == MAX_PHYS) &&
5950 (params->phy[EXT_PHY2].ver_addr != 0)) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005951 spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005952 if (params->phy[EXT_PHY2].format_fw_ver) {
5953 *ver_p = '/';
5954 ver_p++;
5955 remain_len--;
5956 status |= params->phy[EXT_PHY2].format_fw_ver(
5957 spirom_ver,
5958 ver_p,
5959 &remain_len);
5960 ver_p = version + (len - remain_len);
5961 }
5962 }
5963 *ver_p = '\0';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005964 return status;
5965}
5966
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005967static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005968 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005969{
5970 u8 port = params->port;
5971 struct bnx2x *bp = params->bp;
5972
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005973 if (phy->req_line_speed != SPEED_1000) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005974 u32 md_devad = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005975
5976 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
5977
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005978 if (!CHIP_IS_E3(bp)) {
Yuval Mintzd2310232012-06-20 19:05:19 +00005979 /* Change the uni_phy_addr in the nig */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005980 md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
5981 port*0x18));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005982
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005983 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
5984 0x5);
5985 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005986
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005987 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005988 5,
5989 (MDIO_REG_BANK_AER_BLOCK +
5990 (MDIO_AER_BLOCK_AER_REG & 0xf)),
5991 0x2800);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005992
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005993 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005994 5,
5995 (MDIO_REG_BANK_CL73_IEEEB0 +
5996 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
5997 0x6041);
Eilon Greenstein38582762009-01-14 06:44:16 +00005998 msleep(200);
Yuval Mintzd2310232012-06-20 19:05:19 +00005999 /* Set aer mmd back */
Yaniv Rosnerec146a62011-05-31 21:29:27 +00006000 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006001
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006002 if (!CHIP_IS_E3(bp)) {
Yuval Mintzd2310232012-06-20 19:05:19 +00006003 /* And md_devad */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006004 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6005 md_devad);
6006 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006007 } else {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006008 u16 mii_ctrl;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006009 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006010 bnx2x_cl45_read(bp, phy, 5,
6011 (MDIO_REG_BANK_COMBO_IEEE0 +
6012 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6013 &mii_ctrl);
6014 bnx2x_cl45_write(bp, phy, 5,
6015 (MDIO_REG_BANK_COMBO_IEEE0 +
6016 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6017 mii_ctrl |
6018 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006019 }
6020}
6021
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006022int bnx2x_set_led(struct link_params *params,
6023 struct link_vars *vars, u8 mode, u32 speed)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006024{
Yaniv Rosner7846e472009-11-05 19:18:07 +02006025 u8 port = params->port;
6026 u16 hw_led_mode = params->hw_led_mode;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006027 int rc = 0;
6028 u8 phy_idx;
Eilon Greenstein345b5d52008-08-13 15:58:12 -07006029 u32 tmp;
6030 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Yaniv Rosner7846e472009-11-05 19:18:07 +02006031 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006032 DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
6033 DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
6034 speed, hw_led_mode);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006035 /* In case */
6036 for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
6037 if (params->phy[phy_idx].set_link_led) {
6038 params->phy[phy_idx].set_link_led(
6039 &params->phy[phy_idx], params, mode);
6040 }
6041 }
6042
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006043 switch (mode) {
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006044 case LED_MODE_FRONT_PANEL_OFF:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006045 case LED_MODE_OFF:
6046 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
6047 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006048 SHARED_HW_CFG_LED_MAC1);
Eilon Greenstein345b5d52008-08-13 15:58:12 -07006049
6050 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Yaniv Rosner001cea72011-10-27 05:09:48 +00006051 if (params->phy[EXT_PHY1].type ==
Yaniv Rosner9379c9b2012-04-04 01:28:58 +00006052 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6053 tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
6054 EMAC_LED_100MB_OVERRIDE |
6055 EMAC_LED_10MB_OVERRIDE);
6056 else
6057 tmp |= EMAC_LED_OVERRIDE;
6058
6059 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006060 break;
6061
6062 case LED_MODE_OPER:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006063 /* For all other phys, OPER mode is same as ON, so in case
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006064 * link is down, do nothing
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006065 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006066 if (!vars->link_up)
6067 break;
6068 case LED_MODE_ON:
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00006069 if (((params->phy[EXT_PHY1].type ==
6070 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
6071 (params->phy[EXT_PHY1].type ==
6072 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
Yaniv Rosner1f483532011-01-18 04:33:31 +00006073 CHIP_IS_E2(bp) && params->num_phys == 2) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006074 /* This is a work-around for E2+8727 Configurations */
Yaniv Rosner1f483532011-01-18 04:33:31 +00006075 if (mode == LED_MODE_ON ||
6076 speed == SPEED_10000){
6077 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6078 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6079
6080 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6081 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6082 (tmp | EMAC_LED_OVERRIDE));
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006083 /* Return here without enabling traffic
David S. Miller8decf862011-09-22 03:23:13 -04006084 * LED blink and setting rate in ON mode.
Yaniv Rosner793bd452011-08-02 22:59:40 +00006085 * In oper mode, enabling LED blink
6086 * and setting rate is needed.
6087 */
6088 if (mode == LED_MODE_ON)
6089 return rc;
Yaniv Rosner1f483532011-01-18 04:33:31 +00006090 }
Yaniv Rosner793bd452011-08-02 22:59:40 +00006091 } else if (SINGLE_MEDIA_DIRECT(params)) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006092 /* This is a work-around for HW issue found when link
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006093 * is up in CL73
6094 */
David S. Miller8decf862011-09-22 03:23:13 -04006095 if ((!CHIP_IS_E3(bp)) ||
6096 (CHIP_IS_E3(bp) &&
6097 mode == LED_MODE_ON))
6098 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6099
Yaniv Rosner793bd452011-08-02 22:59:40 +00006100 if (CHIP_IS_E1x(bp) ||
6101 CHIP_IS_E2(bp) ||
6102 (mode == LED_MODE_ON))
6103 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6104 else
6105 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6106 hw_led_mode);
Yaniv Rosner001cea72011-10-27 05:09:48 +00006107 } else if ((params->phy[EXT_PHY1].type ==
6108 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
Yaniv Rosner9379c9b2012-04-04 01:28:58 +00006109 (mode == LED_MODE_ON)) {
Yaniv Rosner001cea72011-10-27 05:09:48 +00006110 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6111 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Yaniv Rosner9379c9b2012-04-04 01:28:58 +00006112 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
6113 EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
6114 /* Break here; otherwise, it'll disable the
6115 * intended override.
6116 */
6117 break;
Yaniv Rosner793bd452011-08-02 22:59:40 +00006118 } else
Yaniv Rosner001cea72011-10-27 05:09:48 +00006119 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6120 hw_led_mode);
Yaniv Rosner7846e472009-11-05 19:18:07 +02006121
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006122 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006123 /* Set blinking rate to ~15.9Hz */
Yaniv Rosner26ffaf32011-10-27 05:09:45 +00006124 if (CHIP_IS_E3(bp))
6125 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6126 LED_BLINK_RATE_VAL_E3);
6127 else
6128 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6129 LED_BLINK_RATE_VAL_E1X_E2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006130 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006131 port*4, 1);
Yaniv Rosner9379c9b2012-04-04 01:28:58 +00006132 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6133 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6134 (tmp & (~EMAC_LED_OVERRIDE)));
Eilon Greenstein345b5d52008-08-13 15:58:12 -07006135
Yaniv Rosner7846e472009-11-05 19:18:07 +02006136 if (CHIP_IS_E1(bp) &&
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006137 ((speed == SPEED_2500) ||
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006138 (speed == SPEED_1000) ||
6139 (speed == SPEED_100) ||
6140 (speed == SPEED_10))) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006141 /* For speeds less than 10G LED scheme is different */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006142 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006143 + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006144 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006145 port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006146 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006147 port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006148 }
6149 break;
6150
6151 default:
6152 rc = -EINVAL;
6153 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
6154 mode);
6155 break;
6156 }
6157 return rc;
6158
6159}
6160
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006161/* This function comes to reflect the actual link state read DIRECTLY from the
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006162 * HW
6163 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006164int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
6165 u8 is_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006166{
6167 struct bnx2x *bp = params->bp;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006168 u16 gp_status = 0, phy_index = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006169 u8 ext_phy_link_up = 0, serdes_phy_type;
6170 struct link_vars temp_vars;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006171 struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006172
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006173 if (CHIP_IS_E3(bp)) {
6174 u16 link_up;
6175 if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
6176 > SPEED_10000) {
6177 /* Check 20G link */
6178 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6179 1, &link_up);
6180 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6181 1, &link_up);
6182 link_up &= (1<<2);
6183 } else {
6184 /* Check 10G link and below*/
6185 u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
6186 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6187 MDIO_WC_REG_GP2_STATUS_GP_2_1,
6188 &gp_status);
6189 gp_status = ((gp_status >> 8) & 0xf) |
6190 ((gp_status >> 12) & 0xf);
6191 link_up = gp_status & (1 << lane);
6192 }
6193 if (!link_up)
6194 return -ESRCH;
6195 } else {
6196 CL22_RD_OVER_CL45(bp, int_phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006197 MDIO_REG_BANK_GP_STATUS,
6198 MDIO_GP_STATUS_TOP_AN_STATUS1,
6199 &gp_status);
Yuval Mintzd2310232012-06-20 19:05:19 +00006200 /* Link is up only if both local phy and external phy are up */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006201 if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
6202 return -ESRCH;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006203 }
6204 /* In XGXS loopback mode, do not check external PHY */
6205 if (params->loopback_mode == LOOPBACK_XGXS)
6206 return 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006207
6208 switch (params->num_phys) {
6209 case 1:
6210 /* No external PHY */
6211 return 0;
6212 case 2:
6213 ext_phy_link_up = params->phy[EXT_PHY1].read_status(
6214 &params->phy[EXT_PHY1],
6215 params, &temp_vars);
6216 break;
6217 case 3: /* Dual Media */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006218 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6219 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006220 serdes_phy_type = ((params->phy[phy_index].media_type ==
Yuval Mintzdbef8072012-06-20 19:05:22 +00006221 ETH_PHY_SFPP_10G_FIBER) ||
6222 (params->phy[phy_index].media_type ==
6223 ETH_PHY_SFP_1G_FIBER) ||
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006224 (params->phy[phy_index].media_type ==
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00006225 ETH_PHY_XFP_FIBER) ||
6226 (params->phy[phy_index].media_type ==
6227 ETH_PHY_DA_TWINAX));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006228
6229 if (is_serdes != serdes_phy_type)
6230 continue;
6231 if (params->phy[phy_index].read_status) {
6232 ext_phy_link_up |=
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006233 params->phy[phy_index].read_status(
6234 &params->phy[phy_index],
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006235 params, &temp_vars);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006236 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006237 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006238 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006239 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006240 if (ext_phy_link_up)
6241 return 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006242 return -ESRCH;
6243}
6244
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006245static int bnx2x_link_initialize(struct link_params *params,
6246 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006247{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006248 int rc = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006249 u8 phy_index, non_ext_phy;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006250 struct bnx2x *bp = params->bp;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006251 /* In case of external phy existence, the line speed would be the
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006252 * line speed linked up by the external phy. In case it is direct
6253 * only, then the line_speed during initialization will be
6254 * equal to the req_line_speed
6255 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006256 vars->line_speed = params->phy[INT_PHY].req_line_speed;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006257
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006258 /* Initialize the internal phy in case this is a direct board
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006259 * (no external phys), or this board has external phy which requires
6260 * to first.
6261 */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006262 if (!USES_WARPCORE(bp))
6263 bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006264 /* init ext phy and enable link state int */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006265 non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006266 (params->loopback_mode == LOOPBACK_XGXS));
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006267
6268 if (non_ext_phy ||
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006269 (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
Eilon Greenstein8660d8c2009-03-02 08:01:02 +00006270 (params->loopback_mode == LOOPBACK_EXT_PHY)) {
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006271 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006272 if (vars->line_speed == SPEED_AUTO_NEG &&
6273 (CHIP_IS_E1x(bp) ||
6274 CHIP_IS_E2(bp)))
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006275 bnx2x_set_parallel_detection(phy, params);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00006276 if (params->phy[INT_PHY].config_init)
6277 params->phy[INT_PHY].config_init(phy,
6278 params,
6279 vars);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006280 }
6281
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006282 /* Init external phy*/
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006283 if (non_ext_phy) {
6284 if (params->phy[INT_PHY].supported &
6285 SUPPORTED_FIBRE)
6286 vars->link_status |= LINK_STATUS_SERDES_LINK;
6287 } else {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006288 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6289 phy_index++) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006290 /* No need to initialize second phy in case of first
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006291 * phy only selection. In case of second phy, we do
6292 * need to initialize the first phy, since they are
6293 * connected.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006294 */
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006295 if (params->phy[phy_index].supported &
6296 SUPPORTED_FIBRE)
6297 vars->link_status |= LINK_STATUS_SERDES_LINK;
6298
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006299 if (phy_index == EXT_PHY2 &&
6300 (bnx2x_phy_selection(params) ==
6301 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
Joe Perches94f05b02011-08-14 12:16:20 +00006302 DP(NETIF_MSG_LINK,
6303 "Not initializing second phy\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006304 continue;
6305 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006306 params->phy[phy_index].config_init(
6307 &params->phy[phy_index],
6308 params, vars);
6309 }
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006310 }
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006311 /* Reset the interrupt indication after phy was initialized */
6312 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
6313 params->port*4,
6314 (NIG_STATUS_XGXS0_LINK10G |
6315 NIG_STATUS_XGXS0_LINK_STATUS |
6316 NIG_STATUS_SERDES0_LINK_STATUS |
6317 NIG_MASK_MI_INT));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006318 return rc;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006319}
6320
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006321static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
6322 struct link_params *params)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006323{
Yuval Mintzd2310232012-06-20 19:05:19 +00006324 /* Reset the SerDes/XGXS */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006325 REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6326 (0x1ff << (params->port*16)));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006327}
6328
6329static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
6330 struct link_params *params)
6331{
6332 struct bnx2x *bp = params->bp;
6333 u8 gpio_port;
6334 /* HW reset */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006335 if (CHIP_IS_E2(bp))
6336 gpio_port = BP_PATH(bp);
6337 else
6338 gpio_port = params->port;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006339 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006340 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6341 gpio_port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006342 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006343 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6344 gpio_port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006345 DP(NETIF_MSG_LINK, "reset external PHY\n");
6346}
6347
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006348static int bnx2x_update_link_down(struct link_params *params,
6349 struct link_vars *vars)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006350{
6351 struct bnx2x *bp = params->bp;
6352 u8 port = params->port;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00006353
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006354 DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006355 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006356 vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
Yuval Mintzd2310232012-06-20 19:05:19 +00006357 /* Indicate no mac active */
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006358 vars->mac_type = MAC_TYPE_NONE;
6359
Yuval Mintzd2310232012-06-20 19:05:19 +00006360 /* Update shared memory */
Yaniv Rosner49781402012-10-31 05:46:55 +00006361 vars->link_status &= ~LINK_UPDATE_MASK;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006362 vars->line_speed = 0;
6363 bnx2x_update_mng(params, vars->link_status);
6364
Yuval Mintzd2310232012-06-20 19:05:19 +00006365 /* Activate nig drain */
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006366 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6367
Yuval Mintzd2310232012-06-20 19:05:19 +00006368 /* Disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006369 if (!CHIP_IS_E3(bp))
6370 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006371
Yuval Mintzd2310232012-06-20 19:05:19 +00006372 usleep_range(10000, 20000);
6373 /* Reset BigMac/Xmac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006374 if (CHIP_IS_E1x(bp) ||
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00006375 CHIP_IS_E2(bp))
6376 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
6377
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00006378 if (CHIP_IS_E3(bp)) {
Yuval Mintzd2310232012-06-20 19:05:19 +00006379 /* Prevent LPI Generation by chip */
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006380 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
6381 0);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006382 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
6383 0);
6384 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
6385 SHMEM_EEE_ACTIVE_BIT);
6386
6387 bnx2x_update_mng_eee(params, vars->eee_status);
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00006388 bnx2x_set_xmac_rxtx(params, 0);
6389 bnx2x_set_umac_rxtx(params, 0);
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00006390 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006391
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006392 return 0;
6393}
6394
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006395static int bnx2x_update_link_up(struct link_params *params,
6396 struct link_vars *vars,
6397 u8 link_10g)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006398{
6399 struct bnx2x *bp = params->bp;
Yaniv Rosner55098c52012-04-03 18:41:27 +00006400 u8 phy_idx, port = params->port;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006401 int rc = 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00006402
Yaniv Rosnerde6f3372011-08-02 22:59:25 +00006403 vars->link_status |= (LINK_STATUS_LINK_UP |
6404 LINK_STATUS_PHYSICAL_LINK_FLAG);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006405 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006406
Yaniv Rosner7aa07112010-09-07 11:41:01 +00006407 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
6408 vars->link_status |=
6409 LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
6410
6411 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
6412 vars->link_status |=
6413 LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006414 if (USES_WARPCORE(bp)) {
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006415 if (link_10g) {
6416 if (bnx2x_xmac_enable(params, vars, 0) ==
6417 -ESRCH) {
6418 DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
6419 vars->link_up = 0;
6420 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6421 vars->link_status &= ~LINK_STATUS_LINK_UP;
6422 }
6423 } else
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006424 bnx2x_umac_enable(params, vars, 0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006425 bnx2x_set_led(params, vars,
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006426 LED_MODE_OPER, vars->line_speed);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006427
6428 if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
6429 (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
6430 DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
6431 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
6432 (params->port << 2), 1);
6433 REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
6434 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
6435 (params->port << 2), 0xfc20);
6436 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006437 }
6438 if ((CHIP_IS_E1x(bp) ||
6439 CHIP_IS_E2(bp))) {
6440 if (link_10g) {
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +00006441 if (bnx2x_bmac_enable(params, vars, 0, 1) ==
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006442 -ESRCH) {
6443 DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
6444 vars->link_up = 0;
6445 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6446 vars->link_status &= ~LINK_STATUS_LINK_UP;
6447 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006448
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006449 bnx2x_set_led(params, vars,
6450 LED_MODE_OPER, SPEED_10000);
6451 } else {
6452 rc = bnx2x_emac_program(params, vars);
6453 bnx2x_emac_enable(params, vars, 0);
Yaniv Rosner0c786f02009-11-05 19:18:32 +02006454
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006455 /* AN complete? */
6456 if ((vars->link_status &
6457 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
6458 && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
6459 SINGLE_MEDIA_DIRECT(params))
6460 bnx2x_set_gmii_tx_driver(params);
6461 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006462 }
6463
6464 /* PBF - link up */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006465 if (CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006466 rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6467 vars->line_speed);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006468
Yuval Mintzd2310232012-06-20 19:05:19 +00006469 /* Disable drain */
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006470 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
6471
Yuval Mintzd2310232012-06-20 19:05:19 +00006472 /* Update shared memory */
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006473 bnx2x_update_mng(params, vars->link_status);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006474 bnx2x_update_mng_eee(params, vars->eee_status);
Yaniv Rosner55098c52012-04-03 18:41:27 +00006475 /* Check remote fault */
6476 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
6477 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
6478 bnx2x_check_half_open_conn(params, vars, 0);
6479 break;
6480 }
6481 }
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006482 msleep(20);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006483 return rc;
6484}
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006485/* The bnx2x_link_update function should be called upon link
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006486 * interrupt.
6487 * Link is considered up as follows:
6488 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
6489 * to be up
6490 * - SINGLE_MEDIA - The link between the 577xx and the external
6491 * phy (XGXS) need to up as well as the external link of the
6492 * phy (PHY_EXT1)
6493 * - DUAL_MEDIA - The link between the 577xx and the first
6494 * external phy needs to be up, and at least one of the 2
6495 * external phy link must be up.
Yaniv Rosner62b29a52010-09-07 11:40:58 +00006496 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006497int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006498{
6499 struct bnx2x *bp = params->bp;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006500 struct link_vars phy_vars[MAX_PHYS];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006501 u8 port = params->port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006502 u8 link_10g_plus, phy_index;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006503 u8 ext_phy_link_up = 0, cur_link_up;
6504 int rc = 0;
Eilon Greenstein2f904462009-08-12 08:22:16 +00006505 u8 is_mi_int = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006506 u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
6507 u8 active_external_phy = INT_PHY;
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006508 vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
Yaniv Rosner49781402012-10-31 05:46:55 +00006509 vars->link_status &= ~LINK_UPDATE_MASK;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006510 for (phy_index = INT_PHY; phy_index < params->num_phys;
6511 phy_index++) {
6512 phy_vars[phy_index].flow_ctrl = 0;
6513 phy_vars[phy_index].link_status = 0;
6514 phy_vars[phy_index].line_speed = 0;
6515 phy_vars[phy_index].duplex = DUPLEX_FULL;
6516 phy_vars[phy_index].phy_link_up = 0;
6517 phy_vars[phy_index].link_up = 0;
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00006518 phy_vars[phy_index].fault_detected = 0;
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006519 /* different consideration, since vars holds inner state */
6520 phy_vars[phy_index].eee_status = vars->eee_status;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006521 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006522
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006523 if (USES_WARPCORE(bp))
6524 bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
6525
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006526 DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00006527 port, (vars->phy_flags & PHY_XGXS_FLAG),
6528 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006529
Eilon Greenstein2f904462009-08-12 08:22:16 +00006530 is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006531 port*0x18) > 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006532 DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00006533 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6534 is_mi_int,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006535 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006536
6537 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6538 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6539 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6540
Yuval Mintzd2310232012-06-20 19:05:19 +00006541 /* Disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006542 if (!CHIP_IS_E3(bp))
6543 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006544
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006545 /* Step 1:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006546 * Check external link change only for external phys, and apply
6547 * priority selection between them in case the link on both phys
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006548 * is up. Note that instead of the common vars, a temporary
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006549 * vars argument is used since each phy may have different link/
6550 * speed/duplex result
6551 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006552 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6553 phy_index++) {
6554 struct bnx2x_phy *phy = &params->phy[phy_index];
6555 if (!phy->read_status)
6556 continue;
6557 /* Read link status and params of this ext phy */
6558 cur_link_up = phy->read_status(phy, params,
6559 &phy_vars[phy_index]);
6560 if (cur_link_up) {
6561 DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
6562 phy_index);
6563 } else {
6564 DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
6565 phy_index);
6566 continue;
6567 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006568
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006569 if (!ext_phy_link_up) {
6570 ext_phy_link_up = 1;
6571 active_external_phy = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006572 } else {
6573 switch (bnx2x_phy_selection(params)) {
6574 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6575 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006576 /* In this option, the first PHY makes sure to pass the
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006577 * traffic through itself only.
6578 * Its not clear how to reset the link on the second phy
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006579 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006580 active_external_phy = EXT_PHY1;
6581 break;
6582 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006583 /* In this option, the first PHY makes sure to pass the
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006584 * traffic through the second PHY.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006585 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006586 active_external_phy = EXT_PHY2;
6587 break;
6588 default:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006589 /* Link indication on both PHYs with the following cases
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006590 * is invalid:
6591 * - FIRST_PHY means that second phy wasn't initialized,
6592 * hence its link is expected to be down
6593 * - SECOND_PHY means that first phy should not be able
6594 * to link up by itself (using configuration)
6595 * - DEFAULT should be overriden during initialiazation
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006596 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006597 DP(NETIF_MSG_LINK, "Invalid link indication"
6598 "mpc=0x%x. DISABLING LINK !!!\n",
6599 params->multi_phy_config);
6600 ext_phy_link_up = 0;
6601 break;
6602 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006603 }
6604 }
6605 prev_line_speed = vars->line_speed;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006606 /* Step 2:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006607 * Read the status of the internal phy. In case of
6608 * DIRECT_SINGLE_MEDIA board, this link is the external link,
6609 * otherwise this is the link between the 577xx and the first
6610 * external phy
6611 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006612 if (params->phy[INT_PHY].read_status)
6613 params->phy[INT_PHY].read_status(
6614 &params->phy[INT_PHY],
6615 params, vars);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006616 /* The INT_PHY flow control reside in the vars. This include the
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006617 * case where the speed or flow control are not set to AUTO.
6618 * Otherwise, the active external phy flow control result is set
6619 * to the vars. The ext_phy_line_speed is needed to check if the
6620 * speed is different between the internal phy and external phy.
6621 * This case may be result of intermediate link speed change.
6622 */
6623 if (active_external_phy > INT_PHY) {
6624 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006625 /* Link speed is taken from the XGXS. AN and FC result from
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006626 * the external phy.
6627 */
6628 vars->link_status |= phy_vars[active_external_phy].link_status;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006629
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006630 /* if active_external_phy is first PHY and link is up - disable
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006631 * disable TX on second external PHY
6632 */
6633 if (active_external_phy == EXT_PHY1) {
6634 if (params->phy[EXT_PHY2].phy_specific_func) {
Joe Perches94f05b02011-08-14 12:16:20 +00006635 DP(NETIF_MSG_LINK,
6636 "Disabling TX on EXT_PHY2\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006637 params->phy[EXT_PHY2].phy_specific_func(
6638 &params->phy[EXT_PHY2],
6639 params, DISABLE_TX);
6640 }
6641 }
6642
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006643 ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
6644 vars->duplex = phy_vars[active_external_phy].duplex;
6645 if (params->phy[active_external_phy].supported &
6646 SUPPORTED_FIBRE)
6647 vars->link_status |= LINK_STATUS_SERDES_LINK;
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006648 else
6649 vars->link_status &= ~LINK_STATUS_SERDES_LINK;
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006650
6651 vars->eee_status = phy_vars[active_external_phy].eee_status;
6652
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006653 DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
6654 active_external_phy);
6655 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006656
6657 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6658 phy_index++) {
6659 if (params->phy[phy_index].flags &
6660 FLAGS_REARM_LATCH_SIGNAL) {
6661 bnx2x_rearm_latch_signal(bp, port,
6662 phy_index ==
6663 active_external_phy);
6664 break;
6665 }
6666 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006667 DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
6668 " ext_phy_line_speed = %d\n", vars->flow_ctrl,
6669 vars->link_status, ext_phy_line_speed);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006670 /* Upon link speed change set the NIG into drain mode. Comes to
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006671 * deals with possible FIFO glitch due to clk change when speed
6672 * is decreased without link down indicator
6673 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006674
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006675 if (vars->phy_link_up) {
6676 if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
6677 (ext_phy_line_speed != vars->line_speed)) {
6678 DP(NETIF_MSG_LINK, "Internal link speed %d is"
6679 " different than the external"
6680 " link speed %d\n", vars->line_speed,
6681 ext_phy_line_speed);
6682 vars->phy_link_up = 0;
6683 } else if (prev_line_speed != vars->line_speed) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006684 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
6685 0);
Yuval Mintzd2310232012-06-20 19:05:19 +00006686 usleep_range(1000, 2000);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006687 }
6688 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006689
Yuval Mintzd2310232012-06-20 19:05:19 +00006690 /* Anything 10 and over uses the bmac */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006691 link_10g_plus = (vars->line_speed >= SPEED_10000);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006692
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006693 bnx2x_link_int_ack(params, vars, link_10g_plus);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006694
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006695 /* In case external phy link is up, and internal link is down
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006696 * (not initialized yet probably after link initialization, it
6697 * needs to be initialized.
6698 * Note that after link down-up as result of cable plug, the xgxs
6699 * link would probably become up again without the need
6700 * initialize it
6701 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006702 if (!(SINGLE_MEDIA_DIRECT(params))) {
6703 DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
6704 " init_preceding = %d\n", ext_phy_link_up,
6705 vars->phy_link_up,
6706 params->phy[EXT_PHY1].flags &
6707 FLAGS_INIT_XGXS_FIRST);
6708 if (!(params->phy[EXT_PHY1].flags &
6709 FLAGS_INIT_XGXS_FIRST)
6710 && ext_phy_link_up && !vars->phy_link_up) {
6711 vars->line_speed = ext_phy_line_speed;
6712 if (vars->line_speed < SPEED_1000)
6713 vars->phy_flags |= PHY_SGMII_FLAG;
6714 else
6715 vars->phy_flags &= ~PHY_SGMII_FLAG;
Yaniv Rosnerec146a62011-05-31 21:29:27 +00006716
6717 if (params->phy[INT_PHY].config_init)
6718 params->phy[INT_PHY].config_init(
6719 &params->phy[INT_PHY], params,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006720 vars);
6721 }
6722 }
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006723 /* Link is up only if both local phy and external phy (in case of
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006724 * non-direct board) are up and no fault detected on active PHY.
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006725 */
6726 vars->link_up = (vars->phy_link_up &&
6727 (ext_phy_link_up ||
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00006728 SINGLE_MEDIA_DIRECT(params)) &&
6729 (phy_vars[active_external_phy].fault_detected == 0));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006730
Yaniv Rosner27d91292012-04-04 01:28:54 +00006731 /* Update the PFC configuration in case it was changed */
6732 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
6733 vars->link_status |= LINK_STATUS_PFC_ENABLED;
6734 else
6735 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
6736
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006737 if (vars->link_up)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006738 rc = bnx2x_update_link_up(params, vars, link_10g_plus);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006739 else
6740 rc = bnx2x_update_link_down(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006741
Barak Witkowskia3348722012-04-23 03:04:46 +00006742 /* Update MCP link status was changed */
6743 if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
6744 bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
6745
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006746 return rc;
6747}
6748
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006749/*****************************************************************************/
6750/* External Phy section */
6751/*****************************************************************************/
6752void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006753{
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006754 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006755 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yuval Mintzd2310232012-06-20 19:05:19 +00006756 usleep_range(1000, 2000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006757 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006758 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006759}
6760
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006761static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
6762 u32 spirom_ver, u32 ver_addr)
6763{
6764 DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
6765 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
6766
6767 if (ver_addr)
6768 REG_WR(bp, ver_addr, spirom_ver);
6769}
6770
6771static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
6772 struct bnx2x_phy *phy,
6773 u8 port)
6774{
6775 u16 fw_ver1, fw_ver2;
6776
6777 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006778 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006779 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006780 MDIO_PMA_REG_ROM_VER2, &fw_ver2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006781 bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
6782 phy->ver_addr);
6783}
6784
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006785static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
6786 struct bnx2x_phy *phy,
6787 struct link_vars *vars)
6788{
6789 u16 val;
6790 bnx2x_cl45_read(bp, phy,
6791 MDIO_AN_DEVAD,
6792 MDIO_AN_REG_STATUS, &val);
6793 bnx2x_cl45_read(bp, phy,
6794 MDIO_AN_DEVAD,
6795 MDIO_AN_REG_STATUS, &val);
6796 if (val & (1<<5))
6797 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
6798 if ((val & (1<<0)) == 0)
6799 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
6800}
6801
6802/******************************************************************/
6803/* common BCM8073/BCM8727 PHY SECTION */
6804/******************************************************************/
6805static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
6806 struct link_params *params,
6807 struct link_vars *vars)
6808{
6809 struct bnx2x *bp = params->bp;
6810 if (phy->req_line_speed == SPEED_10 ||
6811 phy->req_line_speed == SPEED_100) {
6812 vars->flow_ctrl = phy->req_flow_ctrl;
6813 return;
6814 }
6815
6816 if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
6817 (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
6818 u16 pause_result;
6819 u16 ld_pause; /* local */
6820 u16 lp_pause; /* link partner */
6821 bnx2x_cl45_read(bp, phy,
6822 MDIO_AN_DEVAD,
6823 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
6824
6825 bnx2x_cl45_read(bp, phy,
6826 MDIO_AN_DEVAD,
6827 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
6828 pause_result = (ld_pause &
6829 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
6830 pause_result |= (lp_pause &
6831 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
6832
6833 bnx2x_pause_resolve(vars, pause_result);
6834 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
6835 pause_result);
6836 }
6837}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006838static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
6839 struct bnx2x_phy *phy,
6840 u8 port)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006841{
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00006842 u32 count = 0;
6843 u16 fw_ver1, fw_msgout;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006844 int rc = 0;
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00006845
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006846 /* Boot port from external ROM */
6847 /* EDC grst */
6848 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006849 MDIO_PMA_DEVAD,
6850 MDIO_PMA_REG_GEN_CTRL,
6851 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006852
Yuval Mintzd2310232012-06-20 19:05:19 +00006853 /* Ucode reboot and rst */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006854 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006855 MDIO_PMA_DEVAD,
6856 MDIO_PMA_REG_GEN_CTRL,
6857 0x008c);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006858
6859 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006860 MDIO_PMA_DEVAD,
6861 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006862
6863 /* Reset internal microprocessor */
6864 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006865 MDIO_PMA_DEVAD,
6866 MDIO_PMA_REG_GEN_CTRL,
6867 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006868
6869 /* Release srst bit */
6870 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006871 MDIO_PMA_DEVAD,
6872 MDIO_PMA_REG_GEN_CTRL,
6873 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006874
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00006875 /* Delay 100ms per the PHY specifications */
6876 msleep(100);
6877
6878 /* 8073 sometimes taking longer to download */
6879 do {
6880 count++;
6881 if (count > 300) {
6882 DP(NETIF_MSG_LINK,
6883 "bnx2x_8073_8727_external_rom_boot port %x:"
6884 "Download failed. fw version = 0x%x\n",
6885 port, fw_ver1);
6886 rc = -EINVAL;
6887 break;
6888 }
6889
6890 bnx2x_cl45_read(bp, phy,
6891 MDIO_PMA_DEVAD,
6892 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
6893 bnx2x_cl45_read(bp, phy,
6894 MDIO_PMA_DEVAD,
6895 MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
6896
Yuval Mintzd2310232012-06-20 19:05:19 +00006897 usleep_range(1000, 2000);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00006898 } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
6899 ((fw_msgout & 0xff) != 0x03 && (phy->type ==
6900 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006901
6902 /* Clear ser_boot_ctl bit */
6903 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006904 MDIO_PMA_DEVAD,
6905 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006906 bnx2x_save_bcm_spirom_ver(bp, phy, port);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00006907
6908 DP(NETIF_MSG_LINK,
6909 "bnx2x_8073_8727_external_rom_boot port %x:"
6910 "Download complete. fw version = 0x%x\n",
6911 port, fw_ver1);
6912
6913 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006914}
6915
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006916/******************************************************************/
6917/* BCM8073 PHY SECTION */
6918/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006919static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006920{
6921 /* This is only required for 8073A1, version 102 only */
6922 u16 val;
6923
6924 /* Read 8073 HW revision*/
6925 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006926 MDIO_PMA_DEVAD,
6927 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006928
6929 if (val != 1) {
6930 /* No need to workaround in 8073 A1 */
6931 return 0;
6932 }
6933
6934 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006935 MDIO_PMA_DEVAD,
6936 MDIO_PMA_REG_ROM_VER2, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006937
6938 /* SNR should be applied only for version 0x102 */
6939 if (val != 0x102)
6940 return 0;
6941
6942 return 1;
6943}
6944
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006945static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006946{
6947 u16 val, cnt, cnt1 ;
6948
6949 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006950 MDIO_PMA_DEVAD,
6951 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006952
6953 if (val > 0) {
6954 /* No need to workaround in 8073 A1 */
6955 return 0;
6956 }
6957 /* XAUI workaround in 8073 A0: */
6958
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006959 /* After loading the boot ROM and restarting Autoneg, poll
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006960 * Dev1, Reg $C820:
6961 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006962
6963 for (cnt = 0; cnt < 1000; cnt++) {
6964 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006965 MDIO_PMA_DEVAD,
6966 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
6967 &val);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006968 /* If bit [14] = 0 or bit [13] = 0, continue on with
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006969 * system initialization (XAUI work-around not required, as
6970 * these bits indicate 2.5G or 1G link up).
6971 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006972 if (!(val & (1<<14)) || !(val & (1<<13))) {
6973 DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
6974 return 0;
6975 } else if (!(val & (1<<15))) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006976 DP(NETIF_MSG_LINK, "bit 15 went off\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006977 /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006978 * MSB (bit15) goes to 1 (indicating that the XAUI
6979 * workaround has completed), then continue on with
6980 * system initialization.
6981 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006982 for (cnt1 = 0; cnt1 < 1000; cnt1++) {
6983 bnx2x_cl45_read(bp, phy,
6984 MDIO_PMA_DEVAD,
6985 MDIO_PMA_REG_8073_XAUI_WA, &val);
6986 if (val & (1<<15)) {
6987 DP(NETIF_MSG_LINK,
6988 "XAUI workaround has completed\n");
6989 return 0;
6990 }
Yuval Mintzd2310232012-06-20 19:05:19 +00006991 usleep_range(3000, 6000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006992 }
6993 break;
6994 }
Yuval Mintzd2310232012-06-20 19:05:19 +00006995 usleep_range(3000, 6000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006996 }
6997 DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
6998 return -EINVAL;
6999}
7000
7001static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
7002{
7003 /* Force KR or KX */
7004 bnx2x_cl45_write(bp, phy,
7005 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
7006 bnx2x_cl45_write(bp, phy,
7007 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
7008 bnx2x_cl45_write(bp, phy,
7009 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
7010 bnx2x_cl45_write(bp, phy,
7011 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
7012}
7013
7014static void bnx2x_8073_set_pause_cl37(struct link_params *params,
7015 struct bnx2x_phy *phy,
7016 struct link_vars *vars)
7017{
7018 u16 cl37_val;
7019 struct bnx2x *bp = params->bp;
7020 bnx2x_cl45_read(bp, phy,
7021 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
7022
7023 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7024 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
7025 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
7026 if ((vars->ieee_fc &
7027 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
7028 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
7029 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
7030 }
7031 if ((vars->ieee_fc &
7032 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
7033 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
7034 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
7035 }
7036 if ((vars->ieee_fc &
7037 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
7038 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
7039 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7040 }
7041 DP(NETIF_MSG_LINK,
7042 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
7043
7044 bnx2x_cl45_write(bp, phy,
7045 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
7046 msleep(500);
7047}
7048
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00007049static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
7050 struct link_params *params,
7051 u32 action)
7052{
7053 struct bnx2x *bp = params->bp;
7054 switch (action) {
7055 case PHY_INIT:
7056 /* Enable LASI */
7057 bnx2x_cl45_write(bp, phy,
7058 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
7059 bnx2x_cl45_write(bp, phy,
7060 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
7061 break;
7062 }
7063}
7064
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007065static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
7066 struct link_params *params,
7067 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007068{
7069 struct bnx2x *bp = params->bp;
7070 u16 val = 0, tmp1;
7071 u8 gpio_port;
7072 DP(NETIF_MSG_LINK, "Init 8073\n");
7073
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007074 if (CHIP_IS_E2(bp))
7075 gpio_port = BP_PATH(bp);
7076 else
7077 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007078 /* Restore normal power mode*/
7079 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007080 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007081
7082 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007083 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007084
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00007085 bnx2x_8073_specific_func(phy, params, PHY_INIT);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007086 bnx2x_8073_set_pause_cl37(params, phy, vars);
7087
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007088 bnx2x_cl45_read(bp, phy,
7089 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
7090
7091 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00007092 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007093
7094 DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
7095
Yaniv Rosner74d7a112011-01-18 04:33:18 +00007096 /* Swap polarity if required - Must be done only in non-1G mode */
7097 if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7098 /* Configure the 8073 to swap _P and _N of the KR lines */
7099 DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
7100 /* 10G Rx/Tx and 1G Tx signal polarity swap */
7101 bnx2x_cl45_read(bp, phy,
7102 MDIO_PMA_DEVAD,
7103 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
7104 bnx2x_cl45_write(bp, phy,
7105 MDIO_PMA_DEVAD,
7106 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
7107 (val | (3<<9)));
7108 }
7109
7110
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007111 /* Enable CL37 BAM */
Yaniv Rosner121839b2010-11-01 05:32:38 +00007112 if (REG_RD(bp, params->shmem_base +
7113 offsetof(struct shmem_region, dev_info.
7114 port_hw_config[params->port].default_cfg)) &
7115 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007116
Yaniv Rosner121839b2010-11-01 05:32:38 +00007117 bnx2x_cl45_read(bp, phy,
7118 MDIO_AN_DEVAD,
7119 MDIO_AN_REG_8073_BAM, &val);
7120 bnx2x_cl45_write(bp, phy,
7121 MDIO_AN_DEVAD,
7122 MDIO_AN_REG_8073_BAM, val | 1);
7123 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
7124 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007125 if (params->loopback_mode == LOOPBACK_EXT) {
7126 bnx2x_807x_force_10G(bp, phy);
7127 DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
7128 return 0;
7129 } else {
7130 bnx2x_cl45_write(bp, phy,
7131 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
7132 }
7133 if (phy->req_line_speed != SPEED_AUTO_NEG) {
7134 if (phy->req_line_speed == SPEED_10000) {
7135 val = (1<<7);
7136 } else if (phy->req_line_speed == SPEED_2500) {
7137 val = (1<<5);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007138 /* Note that 2.5G works only when used with 1G
Lucas De Marchi25985ed2011-03-30 22:57:33 -03007139 * advertisement
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007140 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007141 } else
7142 val = (1<<5);
7143 } else {
7144 val = 0;
7145 if (phy->speed_cap_mask &
7146 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
7147 val |= (1<<7);
7148
Lucas De Marchi25985ed2011-03-30 22:57:33 -03007149 /* Note that 2.5G works only when used with 1G advertisement */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007150 if (phy->speed_cap_mask &
7151 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
7152 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7153 val |= (1<<5);
7154 DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
7155 }
7156
7157 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
7158 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
7159
7160 if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
7161 (phy->req_line_speed == SPEED_AUTO_NEG)) ||
7162 (phy->req_line_speed == SPEED_2500)) {
7163 u16 phy_ver;
7164 /* Allow 2.5G for A1 and above */
7165 bnx2x_cl45_read(bp, phy,
7166 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
7167 &phy_ver);
7168 DP(NETIF_MSG_LINK, "Add 2.5G\n");
7169 if (phy_ver > 0)
7170 tmp1 |= 1;
7171 else
7172 tmp1 &= 0xfffe;
7173 } else {
7174 DP(NETIF_MSG_LINK, "Disable 2.5G\n");
7175 tmp1 &= 0xfffe;
7176 }
7177
7178 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
7179 /* Add support for CL37 (passive mode) II */
7180
7181 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
7182 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
7183 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
7184 0x20 : 0x40)));
7185
7186 /* Add support for CL37 (passive mode) III */
7187 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
7188
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007189 /* The SNR will improve about 2db by changing BW and FEE main
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007190 * tap. Rest commands are executed after link is up
7191 * Change FFE main cursor to 5 in EDC register
7192 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007193 if (bnx2x_8073_is_snr_needed(bp, phy))
7194 bnx2x_cl45_write(bp, phy,
7195 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
7196 0xFB0C);
7197
7198 /* Enable FEC (Forware Error Correction) Request in the AN */
7199 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
7200 tmp1 |= (1<<15);
7201 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
7202
7203 bnx2x_ext_phy_set_pause(params, phy, vars);
7204
7205 /* Restart autoneg */
7206 msleep(500);
7207 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
7208 DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
7209 ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
7210 return 0;
7211}
7212
7213static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
7214 struct link_params *params,
7215 struct link_vars *vars)
7216{
7217 struct bnx2x *bp = params->bp;
7218 u8 link_up = 0;
7219 u16 val1, val2;
7220 u16 link_status = 0;
7221 u16 an1000_status = 0;
7222
7223 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00007224 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007225
7226 DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
7227
Yuval Mintzd2310232012-06-20 19:05:19 +00007228 /* Clear the interrupt LASI status register */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007229 bnx2x_cl45_read(bp, phy,
7230 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7231 bnx2x_cl45_read(bp, phy,
7232 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
7233 DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
7234 /* Clear MSG-OUT */
7235 bnx2x_cl45_read(bp, phy,
7236 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
7237
7238 /* Check the LASI */
7239 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00007240 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007241
7242 DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
7243
7244 /* Check the link status */
7245 bnx2x_cl45_read(bp, phy,
7246 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7247 DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
7248
7249 bnx2x_cl45_read(bp, phy,
7250 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7251 bnx2x_cl45_read(bp, phy,
7252 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7253 link_up = ((val1 & 4) == 4);
7254 DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
7255
7256 if (link_up &&
7257 ((phy->req_line_speed != SPEED_10000))) {
7258 if (bnx2x_8073_xaui_wa(bp, phy) != 0)
7259 return 0;
7260 }
7261 bnx2x_cl45_read(bp, phy,
7262 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7263 bnx2x_cl45_read(bp, phy,
7264 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7265
7266 /* Check the link status on 1.1.2 */
7267 bnx2x_cl45_read(bp, phy,
7268 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7269 bnx2x_cl45_read(bp, phy,
7270 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7271 DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
7272 "an_link_status=0x%x\n", val2, val1, an1000_status);
7273
7274 link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
7275 if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007276 /* The SNR will improve about 2dbby changing the BW and FEE main
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007277 * tap. The 1st write to change FFE main tap is set before
7278 * restart AN. Change PLL Bandwidth in EDC register
7279 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007280 bnx2x_cl45_write(bp, phy,
7281 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
7282 0x26BC);
7283
7284 /* Change CDR Bandwidth in EDC register */
7285 bnx2x_cl45_write(bp, phy,
7286 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
7287 0x0333);
7288 }
7289 bnx2x_cl45_read(bp, phy,
7290 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7291 &link_status);
7292
7293 /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
7294 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
7295 link_up = 1;
7296 vars->line_speed = SPEED_10000;
7297 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
7298 params->port);
7299 } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
7300 link_up = 1;
7301 vars->line_speed = SPEED_2500;
7302 DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
7303 params->port);
7304 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
7305 link_up = 1;
7306 vars->line_speed = SPEED_1000;
7307 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
7308 params->port);
7309 } else {
7310 link_up = 0;
7311 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
7312 params->port);
7313 }
7314
7315 if (link_up) {
Yaniv Rosner74d7a112011-01-18 04:33:18 +00007316 /* Swap polarity if required */
7317 if (params->lane_config &
7318 PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7319 /* Configure the 8073 to swap P and N of the KR lines */
7320 bnx2x_cl45_read(bp, phy,
7321 MDIO_XS_DEVAD,
7322 MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007323 /* Set bit 3 to invert Rx in 1G mode and clear this bit
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007324 * when it`s in 10G mode.
7325 */
Yaniv Rosner74d7a112011-01-18 04:33:18 +00007326 if (vars->line_speed == SPEED_1000) {
7327 DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
7328 "the 8073\n");
7329 val1 |= (1<<3);
7330 } else
7331 val1 &= ~(1<<3);
7332
7333 bnx2x_cl45_write(bp, phy,
7334 MDIO_XS_DEVAD,
7335 MDIO_XS_REG_8073_RX_CTRL_PCIE,
7336 val1);
7337 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007338 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7339 bnx2x_8073_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00007340 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007341 }
Mintz Yuval9e7e8392012-02-15 02:10:24 +00007342
7343 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
7344 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
7345 MDIO_AN_REG_LP_AUTO_NEG2, &val1);
7346
7347 if (val1 & (1<<5))
7348 vars->link_status |=
7349 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
7350 if (val1 & (1<<7))
7351 vars->link_status |=
7352 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
7353 }
7354
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007355 return link_up;
7356}
7357
7358static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
7359 struct link_params *params)
7360{
7361 struct bnx2x *bp = params->bp;
7362 u8 gpio_port;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007363 if (CHIP_IS_E2(bp))
7364 gpio_port = BP_PATH(bp);
7365 else
7366 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007367 DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
7368 gpio_port);
7369 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007370 MISC_REGISTERS_GPIO_OUTPUT_LOW,
7371 gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007372}
7373
7374/******************************************************************/
7375/* BCM8705 PHY SECTION */
7376/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007377static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
7378 struct link_params *params,
7379 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007380{
7381 struct bnx2x *bp = params->bp;
7382 DP(NETIF_MSG_LINK, "init 8705\n");
7383 /* Restore normal power mode*/
7384 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007385 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007386 /* HW reset */
7387 bnx2x_ext_phy_hw_reset(bp, params->port);
7388 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00007389 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007390
7391 bnx2x_cl45_write(bp, phy,
7392 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
7393 bnx2x_cl45_write(bp, phy,
7394 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
7395 bnx2x_cl45_write(bp, phy,
7396 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
7397 bnx2x_cl45_write(bp, phy,
7398 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
7399 /* BCM8705 doesn't have microcode, hence the 0 */
7400 bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
7401 return 0;
7402}
7403
7404static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
7405 struct link_params *params,
7406 struct link_vars *vars)
7407{
7408 u8 link_up = 0;
7409 u16 val1, rx_sd;
7410 struct bnx2x *bp = params->bp;
7411 DP(NETIF_MSG_LINK, "read status 8705\n");
7412 bnx2x_cl45_read(bp, phy,
7413 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7414 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7415
7416 bnx2x_cl45_read(bp, phy,
7417 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7418 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7419
7420 bnx2x_cl45_read(bp, phy,
7421 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7422
7423 bnx2x_cl45_read(bp, phy,
7424 MDIO_PMA_DEVAD, 0xc809, &val1);
7425 bnx2x_cl45_read(bp, phy,
7426 MDIO_PMA_DEVAD, 0xc809, &val1);
7427
7428 DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
7429 link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
7430 if (link_up) {
7431 vars->line_speed = SPEED_10000;
7432 bnx2x_ext_phy_resolve_fc(phy, params, vars);
7433 }
7434 return link_up;
7435}
7436
7437/******************************************************************/
7438/* SFP+ module Section */
7439/******************************************************************/
Yaniv Rosner85242ee2011-07-05 01:06:53 +00007440static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
7441 struct bnx2x_phy *phy,
7442 u8 pmd_dis)
7443{
7444 struct bnx2x *bp = params->bp;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007445 /* Disable transmitter only for bootcodes which can enable it afterwards
Yaniv Rosner85242ee2011-07-05 01:06:53 +00007446 * (for D3 link)
7447 */
7448 if (pmd_dis) {
7449 if (params->feature_config_flags &
7450 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
7451 DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
7452 else {
7453 DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
7454 return;
7455 }
7456 } else
7457 DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
7458 bnx2x_cl45_write(bp, phy,
7459 MDIO_PMA_DEVAD,
7460 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
7461}
7462
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007463static u8 bnx2x_get_gpio_port(struct link_params *params)
7464{
7465 u8 gpio_port;
7466 u32 swap_val, swap_override;
7467 struct bnx2x *bp = params->bp;
7468 if (CHIP_IS_E2(bp))
7469 gpio_port = BP_PATH(bp);
7470 else
7471 gpio_port = params->port;
7472 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7473 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7474 return gpio_port ^ (swap_val && swap_override);
7475}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007476
7477static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
7478 struct bnx2x_phy *phy,
7479 u8 tx_en)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007480{
7481 u16 val;
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007482 u8 port = params->port;
7483 struct bnx2x *bp = params->bp;
7484 u32 tx_en_mode;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007485
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007486 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007487 tx_en_mode = REG_RD(bp, params->shmem_base +
7488 offsetof(struct shmem_region,
7489 dev_info.port_hw_config[port].sfp_ctrl)) &
7490 PORT_HW_CFG_TX_LASER_MASK;
7491 DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
7492 "mode = %x\n", tx_en, port, tx_en_mode);
7493 switch (tx_en_mode) {
7494 case PORT_HW_CFG_TX_LASER_MDIO:
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007495
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007496 bnx2x_cl45_read(bp, phy,
7497 MDIO_PMA_DEVAD,
7498 MDIO_PMA_REG_PHY_IDENTIFIER,
7499 &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007500
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007501 if (tx_en)
7502 val &= ~(1<<15);
7503 else
7504 val |= (1<<15);
7505
7506 bnx2x_cl45_write(bp, phy,
7507 MDIO_PMA_DEVAD,
7508 MDIO_PMA_REG_PHY_IDENTIFIER,
7509 val);
7510 break;
7511 case PORT_HW_CFG_TX_LASER_GPIO0:
7512 case PORT_HW_CFG_TX_LASER_GPIO1:
7513 case PORT_HW_CFG_TX_LASER_GPIO2:
7514 case PORT_HW_CFG_TX_LASER_GPIO3:
7515 {
7516 u16 gpio_pin;
7517 u8 gpio_port, gpio_mode;
7518 if (tx_en)
7519 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
7520 else
7521 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
7522
7523 gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
7524 gpio_port = bnx2x_get_gpio_port(params);
7525 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7526 break;
7527 }
7528 default:
7529 DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
7530 break;
7531 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007532}
7533
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007534static void bnx2x_sfp_set_transmitter(struct link_params *params,
7535 struct bnx2x_phy *phy,
7536 u8 tx_en)
7537{
7538 struct bnx2x *bp = params->bp;
7539 DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
7540 if (CHIP_IS_E3(bp))
7541 bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
7542 else
7543 bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
7544}
7545
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007546static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7547 struct link_params *params,
7548 u16 addr, u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007549{
7550 struct bnx2x *bp = params->bp;
7551 u16 val = 0;
7552 u16 i;
Yuval Mintz24ea8182012-06-20 19:05:23 +00007553 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
Joe Perches94f05b02011-08-14 12:16:20 +00007554 DP(NETIF_MSG_LINK,
7555 "Reading from eeprom is limited to 0xf\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007556 return -EINVAL;
7557 }
7558 /* Set the read command byte count */
7559 bnx2x_cl45_write(bp, phy,
7560 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007561 (byte_cnt | 0xa000));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007562
7563 /* Set the read command address */
7564 bnx2x_cl45_write(bp, phy,
7565 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007566 addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007567
7568 /* Activate read command */
7569 bnx2x_cl45_write(bp, phy,
7570 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007571 0x2c0f);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007572
7573 /* Wait up to 500us for command complete status */
7574 for (i = 0; i < 100; i++) {
7575 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007576 MDIO_PMA_DEVAD,
7577 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007578 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7579 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7580 break;
7581 udelay(5);
7582 }
7583
7584 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7585 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7586 DP(NETIF_MSG_LINK,
7587 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7588 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7589 return -EINVAL;
7590 }
7591
7592 /* Read the buffer */
7593 for (i = 0; i < byte_cnt; i++) {
7594 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007595 MDIO_PMA_DEVAD,
7596 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007597 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7598 }
7599
7600 for (i = 0; i < 100; i++) {
7601 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007602 MDIO_PMA_DEVAD,
7603 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007604 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7605 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
Joe Perches6f38ad92010-11-14 17:04:31 +00007606 return 0;
Yuval Mintzd2310232012-06-20 19:05:19 +00007607 usleep_range(1000, 2000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007608 }
7609 return -EINVAL;
7610}
7611
Yuval Mintz50a29842012-06-16 20:27:14 +00007612static void bnx2x_warpcore_power_module(struct link_params *params,
7613 struct bnx2x_phy *phy,
7614 u8 power)
7615{
7616 u32 pin_cfg;
7617 struct bnx2x *bp = params->bp;
7618
7619 pin_cfg = (REG_RD(bp, params->shmem_base +
7620 offsetof(struct shmem_region,
7621 dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
7622 PORT_HW_CFG_E3_PWR_DIS_MASK) >>
7623 PORT_HW_CFG_E3_PWR_DIS_SHIFT;
7624
7625 if (pin_cfg == PIN_CFG_NA)
7626 return;
7627 DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
7628 power, pin_cfg);
7629 /* Low ==> corresponding SFP+ module is powered
7630 * high ==> the SFP+ module is powered down
7631 */
7632 bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
7633}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007634static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7635 struct link_params *params,
7636 u16 addr, u8 byte_cnt,
Yaniv Rosnere82041d2012-10-31 05:46:56 +00007637 u8 *o_buf, u8 is_init)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007638{
7639 int rc = 0;
7640 u8 i, j = 0, cnt = 0;
7641 u32 data_array[4];
7642 u16 addr32;
7643 struct bnx2x *bp = params->bp;
Yuval Mintz24ea8182012-06-20 19:05:23 +00007644
7645 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
Joe Perches94f05b02011-08-14 12:16:20 +00007646 DP(NETIF_MSG_LINK,
7647 "Reading from eeprom is limited to 16 bytes\n");
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007648 return -EINVAL;
7649 }
7650
7651 /* 4 byte aligned address */
7652 addr32 = addr & (~0x3);
7653 do {
Yaniv Rosnere82041d2012-10-31 05:46:56 +00007654 if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
Yuval Mintz50a29842012-06-16 20:27:14 +00007655 bnx2x_warpcore_power_module(params, phy, 0);
7656 /* Note that 100us are not enough here */
Yaniv Rosnere82041d2012-10-31 05:46:56 +00007657 usleep_range(1000, 2000);
Yuval Mintz50a29842012-06-16 20:27:14 +00007658 bnx2x_warpcore_power_module(params, phy, 1);
7659 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007660 rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
7661 data_array);
7662 } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
7663
7664 if (rc == 0) {
7665 for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
7666 o_buf[j] = *((u8 *)data_array + i);
7667 j++;
7668 }
7669 }
7670
7671 return rc;
7672}
7673
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007674static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7675 struct link_params *params,
7676 u16 addr, u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007677{
7678 struct bnx2x *bp = params->bp;
7679 u16 val, i;
7680
Yuval Mintz24ea8182012-06-20 19:05:23 +00007681 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
Joe Perches94f05b02011-08-14 12:16:20 +00007682 DP(NETIF_MSG_LINK,
7683 "Reading from eeprom is limited to 0xf\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007684 return -EINVAL;
7685 }
7686
7687 /* Need to read from 1.8000 to clear it */
7688 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007689 MDIO_PMA_DEVAD,
7690 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7691 &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007692
7693 /* Set the read command byte count */
7694 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007695 MDIO_PMA_DEVAD,
7696 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7697 ((byte_cnt < 2) ? 2 : byte_cnt));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007698
7699 /* Set the read command address */
7700 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007701 MDIO_PMA_DEVAD,
7702 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7703 addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007704 /* Set the destination address */
7705 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007706 MDIO_PMA_DEVAD,
7707 0x8004,
7708 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007709
7710 /* Activate read command */
7711 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007712 MDIO_PMA_DEVAD,
7713 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7714 0x8002);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007715 /* Wait appropriate time for two-wire command to finish before
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007716 * polling the status register
7717 */
Yuval Mintzd2310232012-06-20 19:05:19 +00007718 usleep_range(1000, 2000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007719
7720 /* Wait up to 500us for command complete status */
7721 for (i = 0; i < 100; i++) {
7722 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007723 MDIO_PMA_DEVAD,
7724 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007725 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7726 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7727 break;
7728 udelay(5);
7729 }
7730
7731 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7732 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7733 DP(NETIF_MSG_LINK,
7734 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7735 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
Yaniv Rosner65a001b2011-01-31 04:22:03 +00007736 return -EFAULT;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007737 }
7738
7739 /* Read the buffer */
7740 for (i = 0; i < byte_cnt; i++) {
7741 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007742 MDIO_PMA_DEVAD,
7743 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007744 o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
7745 }
7746
7747 for (i = 0; i < 100; i++) {
7748 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007749 MDIO_PMA_DEVAD,
7750 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007751 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7752 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
Joe Perches6f38ad92010-11-14 17:04:31 +00007753 return 0;
Yuval Mintzd2310232012-06-20 19:05:19 +00007754 usleep_range(1000, 2000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007755 }
7756
7757 return -EINVAL;
7758}
7759
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007760int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7761 struct link_params *params, u16 addr,
7762 u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007763{
Yuval Mintz24ea8182012-06-20 19:05:23 +00007764 int rc = -EOPNOTSUPP;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007765 switch (phy->type) {
7766 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
7767 rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
7768 byte_cnt, o_buf);
7769 break;
7770 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
7771 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
7772 rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
7773 byte_cnt, o_buf);
7774 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007775 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7776 rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
Yaniv Rosnere82041d2012-10-31 05:46:56 +00007777 byte_cnt, o_buf, 0);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007778 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007779 }
7780 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007781}
7782
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007783static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
7784 struct link_params *params,
7785 u16 *edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007786{
7787 struct bnx2x *bp = params->bp;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007788 u32 sync_offset = 0, phy_idx, media_types;
Yuval Mintzdbef8072012-06-20 19:05:22 +00007789 u8 val[2], check_limiting_mode = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007790 *edc_mode = EDC_MODE_LIMITING;
7791
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007792 phy->media_type = ETH_PHY_UNSPECIFIED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007793 /* First check for copper cable */
7794 if (bnx2x_read_sfp_module_eeprom(phy,
7795 params,
7796 SFP_EEPROM_CON_TYPE_ADDR,
Yuval Mintzdbef8072012-06-20 19:05:22 +00007797 2,
7798 (u8 *)val) != 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007799 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
7800 return -EINVAL;
7801 }
7802
Yuval Mintzdbef8072012-06-20 19:05:22 +00007803 switch (val[0]) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007804 case SFP_EEPROM_CON_TYPE_VAL_COPPER:
7805 {
7806 u8 copper_module_type;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007807 phy->media_type = ETH_PHY_DA_TWINAX;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007808 /* Check if its active cable (includes SFP+ module)
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007809 * of passive cable
7810 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007811 if (bnx2x_read_sfp_module_eeprom(phy,
7812 params,
7813 SFP_EEPROM_FC_TX_TECH_ADDR,
7814 1,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007815 &copper_module_type) != 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007816 DP(NETIF_MSG_LINK,
7817 "Failed to read copper-cable-type"
7818 " from SFP+ EEPROM\n");
7819 return -EINVAL;
7820 }
7821
7822 if (copper_module_type &
7823 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
7824 DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
7825 check_limiting_mode = 1;
7826 } else if (copper_module_type &
7827 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
Joe Perches94f05b02011-08-14 12:16:20 +00007828 DP(NETIF_MSG_LINK,
7829 "Passive Copper cable detected\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007830 *edc_mode =
7831 EDC_MODE_PASSIVE_DAC;
7832 } else {
Joe Perches94f05b02011-08-14 12:16:20 +00007833 DP(NETIF_MSG_LINK,
7834 "Unknown copper-cable-type 0x%x !!!\n",
7835 copper_module_type);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007836 return -EINVAL;
7837 }
7838 break;
7839 }
7840 case SFP_EEPROM_CON_TYPE_VAL_LC:
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007841 check_limiting_mode = 1;
Yuval Mintzdbef8072012-06-20 19:05:22 +00007842 if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
7843 SFP_EEPROM_COMP_CODE_LR_MASK |
7844 SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
7845 DP(NETIF_MSG_LINK, "1G Optic module detected\n");
7846 phy->media_type = ETH_PHY_SFP_1G_FIBER;
7847 phy->req_line_speed = SPEED_1000;
7848 } else {
7849 int idx, cfg_idx = 0;
7850 DP(NETIF_MSG_LINK, "10G Optic module detected\n");
7851 for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
7852 if (params->phy[idx].type == phy->type) {
7853 cfg_idx = LINK_CONFIG_IDX(idx);
7854 break;
7855 }
7856 }
7857 phy->media_type = ETH_PHY_SFPP_10G_FIBER;
7858 phy->req_line_speed = params->req_line_speed[cfg_idx];
7859 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007860 break;
7861 default:
7862 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
Yuval Mintzdbef8072012-06-20 19:05:22 +00007863 val[0]);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007864 return -EINVAL;
7865 }
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007866 sync_offset = params->shmem_base +
7867 offsetof(struct shmem_region,
7868 dev_info.port_hw_config[params->port].media_type);
7869 media_types = REG_RD(bp, sync_offset);
7870 /* Update media type for non-PMF sync */
7871 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
7872 if (&(params->phy[phy_idx]) == phy) {
7873 media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
7874 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
7875 media_types |= ((phy->media_type &
7876 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
7877 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
7878 break;
7879 }
7880 }
7881 REG_WR(bp, sync_offset, media_types);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007882 if (check_limiting_mode) {
7883 u8 options[SFP_EEPROM_OPTIONS_SIZE];
7884 if (bnx2x_read_sfp_module_eeprom(phy,
7885 params,
7886 SFP_EEPROM_OPTIONS_ADDR,
7887 SFP_EEPROM_OPTIONS_SIZE,
7888 options) != 0) {
Joe Perches94f05b02011-08-14 12:16:20 +00007889 DP(NETIF_MSG_LINK,
7890 "Failed to read Option field from module EEPROM\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007891 return -EINVAL;
7892 }
7893 if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
7894 *edc_mode = EDC_MODE_LINEAR;
7895 else
7896 *edc_mode = EDC_MODE_LIMITING;
7897 }
7898 DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
7899 return 0;
7900}
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007901/* This function read the relevant field from the module (SFP+), and verify it
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007902 * is compliant with this board
7903 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007904static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
7905 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007906{
7907 struct bnx2x *bp = params->bp;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007908 u32 val, cmd;
7909 u32 fw_resp, fw_cmd_param;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007910 char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
7911 char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007912 phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007913 val = REG_RD(bp, params->shmem_base +
7914 offsetof(struct shmem_region, dev_info.
7915 port_feature_config[params->port].config));
7916 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
7917 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
7918 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
7919 return 0;
7920 }
7921
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007922 if (params->feature_config_flags &
7923 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
7924 /* Use specific phy request */
7925 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
7926 } else if (params->feature_config_flags &
7927 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
7928 /* Use first phy request only in case of non-dual media*/
7929 if (DUAL_MEDIA(params)) {
Joe Perches94f05b02011-08-14 12:16:20 +00007930 DP(NETIF_MSG_LINK,
7931 "FW does not support OPT MDL verification\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007932 return -EINVAL;
7933 }
7934 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
7935 } else {
7936 /* No support in OPT MDL detection */
Joe Perches94f05b02011-08-14 12:16:20 +00007937 DP(NETIF_MSG_LINK,
7938 "FW does not support OPT MDL verification\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007939 return -EINVAL;
7940 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007941
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007942 fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
7943 fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007944 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
7945 DP(NETIF_MSG_LINK, "Approved module\n");
7946 return 0;
7947 }
7948
Yuval Mintzd2310232012-06-20 19:05:19 +00007949 /* Format the warning message */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007950 if (bnx2x_read_sfp_module_eeprom(phy,
7951 params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007952 SFP_EEPROM_VENDOR_NAME_ADDR,
7953 SFP_EEPROM_VENDOR_NAME_SIZE,
7954 (u8 *)vendor_name))
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007955 vendor_name[0] = '\0';
7956 else
7957 vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
7958 if (bnx2x_read_sfp_module_eeprom(phy,
7959 params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007960 SFP_EEPROM_PART_NO_ADDR,
7961 SFP_EEPROM_PART_NO_SIZE,
7962 (u8 *)vendor_pn))
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007963 vendor_pn[0] = '\0';
7964 else
7965 vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
7966
Yaniv Rosner6d870c32011-01-31 04:22:20 +00007967 netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
7968 " Port %d from %s part number %s\n",
7969 params->port, vendor_name, vendor_pn);
Yaniv Rosner59a2e532012-04-04 01:28:59 +00007970 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
7971 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
7972 phy->flags |= FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007973 return -EINVAL;
7974}
7975
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007976static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
7977 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007978
7979{
7980 u8 val;
Yaniv Rosnere82041d2012-10-31 05:46:56 +00007981 int rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007982 struct bnx2x *bp = params->bp;
7983 u16 timeout;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007984 /* Initialization time after hot-plug may take up to 300ms for
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007985 * some phys type ( e.g. JDSU )
7986 */
7987
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007988 for (timeout = 0; timeout < 60; timeout++) {
Yaniv Rosnere82041d2012-10-31 05:46:56 +00007989 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
7990 rc = bnx2x_warpcore_read_sfp_module_eeprom(phy,
7991 params, 1,
7992 1, &val, 1);
7993 else
7994 rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1,
7995 &val);
7996 if (rc == 0) {
Joe Perches94f05b02011-08-14 12:16:20 +00007997 DP(NETIF_MSG_LINK,
7998 "SFP+ module initialization took %d ms\n",
7999 timeout * 5);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008000 return 0;
8001 }
Yuval Mintzd2310232012-06-20 19:05:19 +00008002 usleep_range(5000, 10000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008003 }
Yaniv Rosnere82041d2012-10-31 05:46:56 +00008004 rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val);
8005 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008006}
8007
8008static void bnx2x_8727_power_module(struct bnx2x *bp,
8009 struct bnx2x_phy *phy,
8010 u8 is_power_up) {
8011 /* Make sure GPIOs are not using for LED mode */
8012 u16 val;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008013 /* In the GPIO register, bit 4 is use to determine if the GPIOs are
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008014 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
8015 * output
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008016 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
8017 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008018 * where the 1st bit is the over-current(only input), and 2nd bit is
8019 * for power( only output )
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008020 *
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008021 * In case of NOC feature is disabled and power is up, set GPIO control
8022 * as input to enable listening of over-current indication
8023 */
8024 if (phy->flags & FLAGS_NOC)
8025 return;
Yaniv Rosner27d02432011-05-31 21:27:48 +00008026 if (is_power_up)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008027 val = (1<<4);
8028 else
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008029 /* Set GPIO control to OUTPUT, and set the power bit
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008030 * to according to the is_power_up
8031 */
Yaniv Rosner27d02432011-05-31 21:27:48 +00008032 val = (1<<1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008033
8034 bnx2x_cl45_write(bp, phy,
8035 MDIO_PMA_DEVAD,
8036 MDIO_PMA_REG_8727_GPIO_CTRL,
8037 val);
8038}
8039
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008040static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
8041 struct bnx2x_phy *phy,
8042 u16 edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008043{
8044 u16 cur_limiting_mode;
8045
8046 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008047 MDIO_PMA_DEVAD,
8048 MDIO_PMA_REG_ROM_VER2,
8049 &cur_limiting_mode);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008050 DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
8051 cur_limiting_mode);
8052
8053 if (edc_mode == EDC_MODE_LIMITING) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008054 DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008055 bnx2x_cl45_write(bp, phy,
8056 MDIO_PMA_DEVAD,
8057 MDIO_PMA_REG_ROM_VER2,
8058 EDC_MODE_LIMITING);
8059 } else { /* LRM mode ( default )*/
8060
8061 DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
8062
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008063 /* Changing to LRM mode takes quite few seconds. So do it only
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008064 * if current mode is limiting (default is LRM)
8065 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008066 if (cur_limiting_mode != EDC_MODE_LIMITING)
8067 return 0;
8068
8069 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008070 MDIO_PMA_DEVAD,
8071 MDIO_PMA_REG_LRM_MODE,
8072 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008073 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008074 MDIO_PMA_DEVAD,
8075 MDIO_PMA_REG_ROM_VER2,
8076 0x128);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008077 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008078 MDIO_PMA_DEVAD,
8079 MDIO_PMA_REG_MISC_CTRL0,
8080 0x4008);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008081 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008082 MDIO_PMA_DEVAD,
8083 MDIO_PMA_REG_LRM_MODE,
8084 0xaaaa);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008085 }
8086 return 0;
8087}
8088
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008089static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
8090 struct bnx2x_phy *phy,
8091 u16 edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008092{
8093 u16 phy_identifier;
8094 u16 rom_ver2_val;
8095 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008096 MDIO_PMA_DEVAD,
8097 MDIO_PMA_REG_PHY_IDENTIFIER,
8098 &phy_identifier);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008099
8100 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008101 MDIO_PMA_DEVAD,
8102 MDIO_PMA_REG_PHY_IDENTIFIER,
8103 (phy_identifier & ~(1<<9)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008104
8105 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008106 MDIO_PMA_DEVAD,
8107 MDIO_PMA_REG_ROM_VER2,
8108 &rom_ver2_val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008109 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
8110 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008111 MDIO_PMA_DEVAD,
8112 MDIO_PMA_REG_ROM_VER2,
8113 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008114
8115 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008116 MDIO_PMA_DEVAD,
8117 MDIO_PMA_REG_PHY_IDENTIFIER,
8118 (phy_identifier | (1<<9)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008119
8120 return 0;
8121}
8122
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008123static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
8124 struct link_params *params,
8125 u32 action)
8126{
8127 struct bnx2x *bp = params->bp;
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00008128 u16 val;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008129 switch (action) {
8130 case DISABLE_TX:
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008131 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008132 break;
8133 case ENABLE_TX:
8134 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008135 bnx2x_sfp_set_transmitter(params, phy, 1);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008136 break;
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00008137 case PHY_INIT:
8138 bnx2x_cl45_write(bp, phy,
8139 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8140 (1<<2) | (1<<5));
8141 bnx2x_cl45_write(bp, phy,
8142 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8143 0);
8144 bnx2x_cl45_write(bp, phy,
8145 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
8146 /* Make MOD_ABS give interrupt on change */
8147 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8148 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8149 &val);
8150 val |= (1<<12);
8151 if (phy->flags & FLAGS_NOC)
8152 val |= (3<<5);
8153 /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
8154 * status which reflect SFP+ module over-current
8155 */
8156 if (!(phy->flags & FLAGS_NOC))
8157 val &= 0xff8f; /* Reset bits 4-6 */
8158 bnx2x_cl45_write(bp, phy,
8159 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8160 val);
8161
8162 /* Set 2-wire transfer rate of SFP+ module EEPROM
8163 * to 100Khz since some DACs(direct attached cables) do
8164 * not work at 400Khz.
8165 */
8166 bnx2x_cl45_write(bp, phy,
8167 MDIO_PMA_DEVAD,
8168 MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
8169 0xa001);
8170 break;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008171 default:
8172 DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
8173 action);
8174 return;
8175 }
8176}
8177
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008178static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008179 u8 gpio_mode)
8180{
8181 struct bnx2x *bp = params->bp;
8182
8183 u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
8184 offsetof(struct shmem_region,
8185 dev_info.port_hw_config[params->port].sfp_ctrl)) &
8186 PORT_HW_CFG_FAULT_MODULE_LED_MASK;
8187 switch (fault_led_gpio) {
8188 case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
8189 return;
8190 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
8191 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
8192 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
8193 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
8194 {
8195 u8 gpio_port = bnx2x_get_gpio_port(params);
8196 u16 gpio_pin = fault_led_gpio -
8197 PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
8198 DP(NETIF_MSG_LINK, "Set fault module-detected led "
8199 "pin %x port %x mode %x\n",
8200 gpio_pin, gpio_port, gpio_mode);
8201 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
8202 }
8203 break;
8204 default:
8205 DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
8206 fault_led_gpio);
8207 }
8208}
8209
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008210static void bnx2x_set_e3_module_fault_led(struct link_params *params,
8211 u8 gpio_mode)
8212{
8213 u32 pin_cfg;
8214 u8 port = params->port;
8215 struct bnx2x *bp = params->bp;
8216 pin_cfg = (REG_RD(bp, params->shmem_base +
8217 offsetof(struct shmem_region,
8218 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
8219 PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
8220 PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
8221 DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
8222 gpio_mode, pin_cfg);
8223 bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
8224}
8225
8226static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
8227 u8 gpio_mode)
8228{
8229 struct bnx2x *bp = params->bp;
8230 DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
8231 if (CHIP_IS_E3(bp)) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008232 /* Low ==> if SFP+ module is supported otherwise
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008233 * High ==> if SFP+ module is not on the approved vendor list
8234 */
8235 bnx2x_set_e3_module_fault_led(params, gpio_mode);
8236 } else
8237 bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
8238}
8239
Yaniv Rosner985848f2011-07-05 01:06:48 +00008240static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
8241 struct link_params *params)
8242{
Yaniv Rosnerb76070b2011-11-28 00:49:47 +00008243 struct bnx2x *bp = params->bp;
Yaniv Rosner985848f2011-07-05 01:06:48 +00008244 bnx2x_warpcore_power_module(params, phy, 0);
Yaniv Rosnerb76070b2011-11-28 00:49:47 +00008245 /* Put Warpcore in low power mode */
8246 REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
8247
8248 /* Put LCPLL in low power mode */
8249 REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
8250 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
8251 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
Yaniv Rosner985848f2011-07-05 01:06:48 +00008252}
8253
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008254static void bnx2x_power_sfp_module(struct link_params *params,
8255 struct bnx2x_phy *phy,
8256 u8 power)
8257{
8258 struct bnx2x *bp = params->bp;
8259 DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
8260
8261 switch (phy->type) {
8262 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8263 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8264 bnx2x_8727_power_module(params->bp, phy, power);
8265 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008266 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8267 bnx2x_warpcore_power_module(params, phy, power);
8268 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008269 default:
8270 break;
8271 }
8272}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008273static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
8274 struct bnx2x_phy *phy,
8275 u16 edc_mode)
8276{
8277 u16 val = 0;
8278 u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8279 struct bnx2x *bp = params->bp;
8280
8281 u8 lane = bnx2x_get_warpcore_lane(phy, params);
8282 /* This is a global register which controls all lanes */
8283 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8284 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8285 val &= ~(0xf << (lane << 2));
8286
8287 switch (edc_mode) {
8288 case EDC_MODE_LINEAR:
8289 case EDC_MODE_LIMITING:
8290 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8291 break;
8292 case EDC_MODE_PASSIVE_DAC:
8293 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
8294 break;
8295 default:
8296 break;
8297 }
8298
8299 val |= (mode << (lane << 2));
8300 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
8301 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
8302 /* A must read */
8303 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8304 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8305
Yaniv Rosner19af03a2011-08-02 22:59:47 +00008306 /* Restart microcode to re-read the new mode */
8307 bnx2x_warpcore_reset_lane(bp, phy, 1);
8308 bnx2x_warpcore_reset_lane(bp, phy, 0);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008309
8310}
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008311
8312static void bnx2x_set_limiting_mode(struct link_params *params,
8313 struct bnx2x_phy *phy,
8314 u16 edc_mode)
8315{
8316 switch (phy->type) {
8317 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8318 bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
8319 break;
8320 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8321 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8322 bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
8323 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008324 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8325 bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
8326 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008327 }
8328}
8329
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008330int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
8331 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008332{
8333 struct bnx2x *bp = params->bp;
8334 u16 edc_mode;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008335 int rc = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008336
8337 u32 val = REG_RD(bp, params->shmem_base +
8338 offsetof(struct shmem_region, dev_info.
8339 port_feature_config[params->port].config));
8340
8341 DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
8342 params->port);
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008343 /* Power up module */
8344 bnx2x_power_sfp_module(params, phy, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008345 if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
8346 DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
8347 return -EINVAL;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008348 } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
Yuval Mintzd2310232012-06-20 19:05:19 +00008349 /* Check SFP+ module compatibility */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008350 DP(NETIF_MSG_LINK, "Module verification failed!!\n");
8351 rc = -EINVAL;
8352 /* Turn on fault module-detected led */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008353 bnx2x_set_sfp_module_fault_led(params,
8354 MISC_REGISTERS_GPIO_HIGH);
8355
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008356 /* Check if need to power down the SFP+ module */
8357 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8358 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008359 DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008360 bnx2x_power_sfp_module(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008361 return rc;
8362 }
8363 } else {
8364 /* Turn off fault module-detected led */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008365 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008366 }
8367
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008368 /* Check and set limiting mode / LRM mode on 8726. On 8727 it
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008369 * is done automatically
8370 */
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008371 bnx2x_set_limiting_mode(params, phy, edc_mode);
8372
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008373 /* Enable transmit for this module if the module is approved, or
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008374 * if unapproved modules should also enable the Tx laser
8375 */
8376 if (rc == 0 ||
8377 (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8378 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008379 bnx2x_sfp_set_transmitter(params, phy, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008380 else
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008381 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008382
8383 return rc;
8384}
8385
8386void bnx2x_handle_module_detect_int(struct link_params *params)
8387{
8388 struct bnx2x *bp = params->bp;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008389 struct bnx2x_phy *phy;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008390 u32 gpio_val;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008391 u8 gpio_num, gpio_port;
8392 if (CHIP_IS_E3(bp))
8393 phy = &params->phy[INT_PHY];
8394 else
8395 phy = &params->phy[EXT_PHY1];
8396
8397 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
8398 params->port, &gpio_num, &gpio_port) ==
8399 -EINVAL) {
8400 DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
8401 return;
8402 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008403
8404 /* Set valid module led off */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008405 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008406
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008407 /* Get current gpio val reflecting module plugged in / out*/
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008408 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008409
8410 /* Call the handling function in case module is detected */
8411 if (gpio_val == 0) {
Yuval Mintzdbef8072012-06-20 19:05:22 +00008412 bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
8413 bnx2x_set_aer_mmd(params, phy);
8414
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008415 bnx2x_power_sfp_module(params, phy, 1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008416 bnx2x_set_gpio_int(bp, gpio_num,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008417 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008418 gpio_port);
Yuval Mintzdbef8072012-06-20 19:05:22 +00008419 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008420 bnx2x_sfp_module_detection(phy, params);
Yuval Mintzdbef8072012-06-20 19:05:22 +00008421 if (CHIP_IS_E3(bp)) {
8422 u16 rx_tx_in_reset;
8423 /* In case WC is out of reset, reconfigure the
8424 * link speed while taking into account 1G
8425 * module limitation.
8426 */
8427 bnx2x_cl45_read(bp, phy,
8428 MDIO_WC_DEVAD,
8429 MDIO_WC_REG_DIGITAL5_MISC6,
8430 &rx_tx_in_reset);
8431 if (!rx_tx_in_reset) {
8432 bnx2x_warpcore_reset_lane(bp, phy, 1);
8433 bnx2x_warpcore_config_sfi(phy, params);
8434 bnx2x_warpcore_reset_lane(bp, phy, 0);
8435 }
8436 }
8437 } else {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008438 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
Yuval Mintzdbef8072012-06-20 19:05:22 +00008439 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008440 } else {
8441 u32 val = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008442 offsetof(struct shmem_region, dev_info.
8443 port_feature_config[params->port].
8444 config));
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008445 bnx2x_set_gpio_int(bp, gpio_num,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008446 MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008447 gpio_port);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008448 /* Module was plugged out.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008449 * Disable transmit for this module
8450 */
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00008451 phy->media_type = ETH_PHY_NOT_PRESENT;
Yaniv Rosnerde6f3372011-08-02 22:59:25 +00008452 if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8453 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
8454 CHIP_IS_E3(bp))
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008455 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008456 }
8457}
8458
8459/******************************************************************/
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008460/* Used by 8706 and 8727 */
8461/******************************************************************/
8462static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
8463 struct bnx2x_phy *phy,
8464 u16 alarm_status_offset,
8465 u16 alarm_ctrl_offset)
8466{
8467 u16 alarm_status, val;
8468 bnx2x_cl45_read(bp, phy,
8469 MDIO_PMA_DEVAD, alarm_status_offset,
8470 &alarm_status);
8471 bnx2x_cl45_read(bp, phy,
8472 MDIO_PMA_DEVAD, alarm_status_offset,
8473 &alarm_status);
8474 /* Mask or enable the fault event. */
8475 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
8476 if (alarm_status & (1<<0))
8477 val &= ~(1<<0);
8478 else
8479 val |= (1<<0);
8480 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
8481}
8482/******************************************************************/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008483/* common BCM8706/BCM8726 PHY SECTION */
8484/******************************************************************/
8485static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
8486 struct link_params *params,
8487 struct link_vars *vars)
8488{
8489 u8 link_up = 0;
8490 u16 val1, val2, rx_sd, pcs_status;
8491 struct bnx2x *bp = params->bp;
8492 DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
8493 /* Clear RX Alarm*/
8494 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008495 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008496
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008497 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8498 MDIO_PMA_LASI_TXCTRL);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008499
Yuval Mintzd2310232012-06-20 19:05:19 +00008500 /* Clear LASI indication*/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008501 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008502 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008503 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008504 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008505 DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8506
8507 bnx2x_cl45_read(bp, phy,
8508 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8509 bnx2x_cl45_read(bp, phy,
8510 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
8511 bnx2x_cl45_read(bp, phy,
8512 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8513 bnx2x_cl45_read(bp, phy,
8514 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8515
8516 DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
8517 " link_status 0x%x\n", rx_sd, pcs_status, val2);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008518 /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008519 * are set, or if the autoneg bit 1 is set
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008520 */
8521 link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
8522 if (link_up) {
8523 if (val2 & (1<<1))
8524 vars->line_speed = SPEED_1000;
8525 else
8526 vars->line_speed = SPEED_10000;
8527 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00008528 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008529 }
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008530
8531 /* Capture 10G link fault. Read twice to clear stale value. */
8532 if (vars->line_speed == SPEED_10000) {
8533 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008534 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008535 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008536 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008537 if (val1 & (1<<0))
8538 vars->fault_detected = 1;
8539 }
8540
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008541 return link_up;
8542}
8543
8544/******************************************************************/
8545/* BCM8706 PHY SECTION */
8546/******************************************************************/
8547static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
8548 struct link_params *params,
8549 struct link_vars *vars)
8550{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008551 u32 tx_en_mode;
8552 u16 cnt, val, tmp1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008553 struct bnx2x *bp = params->bp;
Yaniv Rosner3deb8162011-06-14 01:34:33 +00008554
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008555 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008556 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008557 /* HW reset */
8558 bnx2x_ext_phy_hw_reset(bp, params->port);
8559 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00008560 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008561
8562 /* Wait until fw is loaded */
8563 for (cnt = 0; cnt < 100; cnt++) {
8564 bnx2x_cl45_read(bp, phy,
8565 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
8566 if (val)
8567 break;
Yuval Mintzd2310232012-06-20 19:05:19 +00008568 usleep_range(10000, 20000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008569 }
8570 DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
8571 if ((params->feature_config_flags &
8572 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8573 u8 i;
8574 u16 reg;
8575 for (i = 0; i < 4; i++) {
8576 reg = MDIO_XS_8706_REG_BANK_RX0 +
8577 i*(MDIO_XS_8706_REG_BANK_RX1 -
8578 MDIO_XS_8706_REG_BANK_RX0);
8579 bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
8580 /* Clear first 3 bits of the control */
8581 val &= ~0x7;
8582 /* Set control bits according to configuration */
8583 val |= (phy->rx_preemphasis[i] & 0x7);
8584 DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
8585 " reg 0x%x <-- val 0x%x\n", reg, val);
8586 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
8587 }
8588 }
8589 /* Force speed */
8590 if (phy->req_line_speed == SPEED_10000) {
8591 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
8592
8593 bnx2x_cl45_write(bp, phy,
8594 MDIO_PMA_DEVAD,
8595 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
8596 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008597 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008598 0);
8599 /* Arm LASI for link and Tx fault. */
8600 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008601 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008602 } else {
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008603 /* Force 1Gbps using autoneg with 1G advertisement */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008604
8605 /* Allow CL37 through CL73 */
8606 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
8607 bnx2x_cl45_write(bp, phy,
8608 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8609
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008610 /* Enable Full-Duplex advertisement on CL37 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008611 bnx2x_cl45_write(bp, phy,
8612 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
8613 /* Enable CL37 AN */
8614 bnx2x_cl45_write(bp, phy,
8615 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8616 /* 1G support */
8617 bnx2x_cl45_write(bp, phy,
8618 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
8619
8620 /* Enable clause 73 AN */
8621 bnx2x_cl45_write(bp, phy,
8622 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8623 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008624 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008625 0x0400);
8626 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008627 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008628 0x0004);
8629 }
8630 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008631
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008632 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008633 * power mode, if TX Laser is disabled
8634 */
8635
8636 tx_en_mode = REG_RD(bp, params->shmem_base +
8637 offsetof(struct shmem_region,
8638 dev_info.port_hw_config[params->port].sfp_ctrl))
8639 & PORT_HW_CFG_TX_LASER_MASK;
8640
8641 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8642 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8643 bnx2x_cl45_read(bp, phy,
8644 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
8645 tmp1 |= 0x1;
8646 bnx2x_cl45_write(bp, phy,
8647 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
8648 }
8649
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008650 return 0;
8651}
8652
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008653static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
8654 struct link_params *params,
8655 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008656{
8657 return bnx2x_8706_8726_read_status(phy, params, vars);
8658}
8659
8660/******************************************************************/
8661/* BCM8726 PHY SECTION */
8662/******************************************************************/
8663static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
8664 struct link_params *params)
8665{
8666 struct bnx2x *bp = params->bp;
8667 DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
8668 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
8669}
8670
8671static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
8672 struct link_params *params)
8673{
8674 struct bnx2x *bp = params->bp;
8675 /* Need to wait 100ms after reset */
8676 msleep(100);
8677
8678 /* Micro controller re-boot */
8679 bnx2x_cl45_write(bp, phy,
8680 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
8681
8682 /* Set soft reset */
8683 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008684 MDIO_PMA_DEVAD,
8685 MDIO_PMA_REG_GEN_CTRL,
8686 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008687
8688 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008689 MDIO_PMA_DEVAD,
8690 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008691
8692 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008693 MDIO_PMA_DEVAD,
8694 MDIO_PMA_REG_GEN_CTRL,
8695 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008696
Yuval Mintzd2310232012-06-20 19:05:19 +00008697 /* Wait for 150ms for microcode load */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008698 msleep(150);
8699
8700 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
8701 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008702 MDIO_PMA_DEVAD,
8703 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008704
8705 msleep(200);
8706 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8707}
8708
8709static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
8710 struct link_params *params,
8711 struct link_vars *vars)
8712{
8713 struct bnx2x *bp = params->bp;
8714 u16 val1;
8715 u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
8716 if (link_up) {
8717 bnx2x_cl45_read(bp, phy,
8718 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
8719 &val1);
8720 if (val1 & (1<<15)) {
8721 DP(NETIF_MSG_LINK, "Tx is disabled\n");
8722 link_up = 0;
8723 vars->line_speed = 0;
8724 }
8725 }
8726 return link_up;
8727}
8728
8729
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008730static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
8731 struct link_params *params,
8732 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008733{
8734 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008735 DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008736
8737 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00008738 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008739
8740 bnx2x_8726_external_rom_boot(phy, params);
8741
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008742 /* Need to call module detected on initialization since the module
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008743 * detection triggered by actual module insertion might occur before
8744 * driver is loaded, and when driver is loaded, it reset all
8745 * registers, including the transmitter
8746 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008747 bnx2x_sfp_module_detection(phy, params);
8748
8749 if (phy->req_line_speed == SPEED_1000) {
8750 DP(NETIF_MSG_LINK, "Setting 1G force\n");
8751 bnx2x_cl45_write(bp, phy,
8752 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
8753 bnx2x_cl45_write(bp, phy,
8754 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
8755 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008756 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008757 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008758 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008759 0x400);
8760 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
8761 (phy->speed_cap_mask &
8762 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
8763 ((phy->speed_cap_mask &
8764 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
8765 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
8766 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
8767 /* Set Flow control */
8768 bnx2x_ext_phy_set_pause(params, phy, vars);
8769 bnx2x_cl45_write(bp, phy,
8770 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
8771 bnx2x_cl45_write(bp, phy,
8772 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8773 bnx2x_cl45_write(bp, phy,
8774 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
8775 bnx2x_cl45_write(bp, phy,
8776 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8777 bnx2x_cl45_write(bp, phy,
8778 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008779 /* Enable RX-ALARM control to receive interrupt for 1G speed
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008780 * change
8781 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008782 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008783 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008784 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008785 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008786 0x400);
8787
8788 } else { /* Default 10G. Set only LASI control */
8789 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008790 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008791 }
8792
8793 /* Set TX PreEmphasis if needed */
8794 if ((params->feature_config_flags &
8795 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
Joe Perches94f05b02011-08-14 12:16:20 +00008796 DP(NETIF_MSG_LINK,
8797 "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008798 phy->tx_preemphasis[0],
8799 phy->tx_preemphasis[1]);
8800 bnx2x_cl45_write(bp, phy,
8801 MDIO_PMA_DEVAD,
8802 MDIO_PMA_REG_8726_TX_CTRL1,
8803 phy->tx_preemphasis[0]);
8804
8805 bnx2x_cl45_write(bp, phy,
8806 MDIO_PMA_DEVAD,
8807 MDIO_PMA_REG_8726_TX_CTRL2,
8808 phy->tx_preemphasis[1]);
8809 }
8810
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008811 return 0;
8812
8813}
8814
8815static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
8816 struct link_params *params)
8817{
8818 struct bnx2x *bp = params->bp;
8819 DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
8820 /* Set serial boot control for external load */
8821 bnx2x_cl45_write(bp, phy,
8822 MDIO_PMA_DEVAD,
8823 MDIO_PMA_REG_GEN_CTRL, 0x0001);
8824}
8825
8826/******************************************************************/
8827/* BCM8727 PHY SECTION */
8828/******************************************************************/
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00008829
8830static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
8831 struct link_params *params, u8 mode)
8832{
8833 struct bnx2x *bp = params->bp;
8834 u16 led_mode_bitmask = 0;
8835 u16 gpio_pins_bitmask = 0;
8836 u16 val;
8837 /* Only NOC flavor requires to set the LED specifically */
8838 if (!(phy->flags & FLAGS_NOC))
8839 return;
8840 switch (mode) {
8841 case LED_MODE_FRONT_PANEL_OFF:
8842 case LED_MODE_OFF:
8843 led_mode_bitmask = 0;
8844 gpio_pins_bitmask = 0x03;
8845 break;
8846 case LED_MODE_ON:
8847 led_mode_bitmask = 0;
8848 gpio_pins_bitmask = 0x02;
8849 break;
8850 case LED_MODE_OPER:
8851 led_mode_bitmask = 0x60;
8852 gpio_pins_bitmask = 0x11;
8853 break;
8854 }
8855 bnx2x_cl45_read(bp, phy,
8856 MDIO_PMA_DEVAD,
8857 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8858 &val);
8859 val &= 0xff8f;
8860 val |= led_mode_bitmask;
8861 bnx2x_cl45_write(bp, phy,
8862 MDIO_PMA_DEVAD,
8863 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8864 val);
8865 bnx2x_cl45_read(bp, phy,
8866 MDIO_PMA_DEVAD,
8867 MDIO_PMA_REG_8727_GPIO_CTRL,
8868 &val);
8869 val &= 0xffe0;
8870 val |= gpio_pins_bitmask;
8871 bnx2x_cl45_write(bp, phy,
8872 MDIO_PMA_DEVAD,
8873 MDIO_PMA_REG_8727_GPIO_CTRL,
8874 val);
8875}
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008876static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
8877 struct link_params *params) {
8878 u32 swap_val, swap_override;
8879 u8 port;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008880 /* The PHY reset is controlled by GPIO 1. Fake the port number
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008881 * to cancel the swap done in set_gpio()
8882 */
8883 struct bnx2x *bp = params->bp;
8884 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
8885 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
8886 port = (swap_val && swap_override) ^ 1;
8887 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008888 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008889}
8890
Yuval Mintzdbef8072012-06-20 19:05:22 +00008891static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
8892 struct link_params *params)
8893{
8894 struct bnx2x *bp = params->bp;
8895 u16 tmp1, val;
8896 /* Set option 1G speed */
8897 if ((phy->req_line_speed == SPEED_1000) ||
8898 (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
8899 DP(NETIF_MSG_LINK, "Setting 1G force\n");
8900 bnx2x_cl45_write(bp, phy,
8901 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
8902 bnx2x_cl45_write(bp, phy,
8903 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
8904 bnx2x_cl45_read(bp, phy,
8905 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
8906 DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
8907 /* Power down the XAUI until link is up in case of dual-media
8908 * and 1G
8909 */
8910 if (DUAL_MEDIA(params)) {
8911 bnx2x_cl45_read(bp, phy,
8912 MDIO_PMA_DEVAD,
8913 MDIO_PMA_REG_8727_PCS_GP, &val);
8914 val |= (3<<10);
8915 bnx2x_cl45_write(bp, phy,
8916 MDIO_PMA_DEVAD,
8917 MDIO_PMA_REG_8727_PCS_GP, val);
8918 }
8919 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
8920 ((phy->speed_cap_mask &
8921 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
8922 ((phy->speed_cap_mask &
8923 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
8924 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
8925
8926 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
8927 bnx2x_cl45_write(bp, phy,
8928 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
8929 bnx2x_cl45_write(bp, phy,
8930 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
8931 } else {
8932 /* Since the 8727 has only single reset pin, need to set the 10G
8933 * registers although it is default
8934 */
8935 bnx2x_cl45_write(bp, phy,
8936 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
8937 0x0020);
8938 bnx2x_cl45_write(bp, phy,
8939 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
8940 bnx2x_cl45_write(bp, phy,
8941 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
8942 bnx2x_cl45_write(bp, phy,
8943 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
8944 0x0008);
8945 }
8946}
8947
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008948static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
8949 struct link_params *params,
8950 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008951{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008952 u32 tx_en_mode;
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00008953 u16 tmp1, mod_abs, tmp2;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008954 struct bnx2x *bp = params->bp;
8955 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
8956
Yaniv Rosner6d870c32011-01-31 04:22:20 +00008957 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008958
8959 DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008960
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00008961 bnx2x_8727_specific_func(phy, params, PHY_INIT);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008962 /* Initially configure MOD_ABS to interrupt when module is
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008963 * presence( bit 8)
8964 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008965 bnx2x_cl45_read(bp, phy,
8966 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008967 /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008968 * When the EDC is off it locks onto a reference clock and avoids
8969 * becoming 'lost'
8970 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00008971 mod_abs &= ~(1<<8);
8972 if (!(phy->flags & FLAGS_NOC))
8973 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008974 bnx2x_cl45_write(bp, phy,
8975 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
8976
Yaniv Rosner85242ee2011-07-05 01:06:53 +00008977 /* Enable/Disable PHY transmitter output */
8978 bnx2x_set_disable_pmd_transmit(params, phy, 0);
8979
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008980 bnx2x_8727_power_module(bp, phy, 1);
8981
8982 bnx2x_cl45_read(bp, phy,
8983 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
8984
8985 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008986 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008987
Yuval Mintzdbef8072012-06-20 19:05:22 +00008988 bnx2x_8727_config_speed(phy, params);
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00008989
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008990
8991 /* Set TX PreEmphasis if needed */
8992 if ((params->feature_config_flags &
8993 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8994 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
8995 phy->tx_preemphasis[0],
8996 phy->tx_preemphasis[1]);
8997 bnx2x_cl45_write(bp, phy,
8998 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
8999 phy->tx_preemphasis[0]);
9000
9001 bnx2x_cl45_write(bp, phy,
9002 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
9003 phy->tx_preemphasis[1]);
9004 }
9005
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009006 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00009007 * power mode, if TX Laser is disabled
9008 */
9009 tx_en_mode = REG_RD(bp, params->shmem_base +
9010 offsetof(struct shmem_region,
9011 dev_info.port_hw_config[params->port].sfp_ctrl))
9012 & PORT_HW_CFG_TX_LASER_MASK;
9013
9014 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9015
9016 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
9017 bnx2x_cl45_read(bp, phy,
9018 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
9019 tmp2 |= 0x1000;
9020 tmp2 &= 0xFFEF;
9021 bnx2x_cl45_write(bp, phy,
9022 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
Yaniv Rosner59a2e532012-04-04 01:28:59 +00009023 bnx2x_cl45_read(bp, phy,
9024 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9025 &tmp2);
9026 bnx2x_cl45_write(bp, phy,
9027 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9028 (tmp2 & 0x7fff));
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00009029 }
9030
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009031 return 0;
9032}
9033
9034static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
9035 struct link_params *params)
9036{
9037 struct bnx2x *bp = params->bp;
9038 u16 mod_abs, rx_alarm_status;
9039 u32 val = REG_RD(bp, params->shmem_base +
9040 offsetof(struct shmem_region, dev_info.
9041 port_feature_config[params->port].
9042 config));
9043 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009044 MDIO_PMA_DEVAD,
9045 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009046 if (mod_abs & (1<<8)) {
9047
9048 /* Module is absent */
Joe Perches94f05b02011-08-14 12:16:20 +00009049 DP(NETIF_MSG_LINK,
9050 "MOD_ABS indication show module is absent\n");
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00009051 phy->media_type = ETH_PHY_NOT_PRESENT;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009052 /* 1. Set mod_abs to detect next module
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009053 * presence event
9054 * 2. Set EDC off by setting OPTXLOS signal input to low
9055 * (bit 9).
9056 * When the EDC is off it locks onto a reference clock and
9057 * avoids becoming 'lost'.
9058 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009059 mod_abs &= ~(1<<8);
9060 if (!(phy->flags & FLAGS_NOC))
9061 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009062 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009063 MDIO_PMA_DEVAD,
9064 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009065
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009066 /* Clear RX alarm since it stays up as long as
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009067 * the mod_abs wasn't changed
9068 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009069 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009070 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009071 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009072
9073 } else {
9074 /* Module is present */
Joe Perches94f05b02011-08-14 12:16:20 +00009075 DP(NETIF_MSG_LINK,
9076 "MOD_ABS indication show module is present\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009077 /* First disable transmitter, and if the module is ok, the
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009078 * module_detection will enable it
9079 * 1. Set mod_abs to detect next module absent event ( bit 8)
9080 * 2. Restore the default polarity of the OPRXLOS signal and
9081 * this signal will then correctly indicate the presence or
9082 * absence of the Rx signal. (bit 9)
9083 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009084 mod_abs |= (1<<8);
9085 if (!(phy->flags & FLAGS_NOC))
9086 mod_abs |= (1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009087 bnx2x_cl45_write(bp, phy,
9088 MDIO_PMA_DEVAD,
9089 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9090
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009091 /* Clear RX alarm since it stays up as long as the mod_abs
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009092 * wasn't changed. This is need to be done before calling the
9093 * module detection, otherwise it will clear* the link update
9094 * alarm
9095 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009096 bnx2x_cl45_read(bp, phy,
9097 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009098 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009099
9100
9101 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9102 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00009103 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009104
9105 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
9106 bnx2x_sfp_module_detection(phy, params);
9107 else
9108 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
Yuval Mintzdbef8072012-06-20 19:05:22 +00009109
9110 /* Reconfigure link speed based on module type limitations */
9111 bnx2x_8727_config_speed(phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009112 }
9113
9114 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009115 rx_alarm_status);
9116 /* No need to check link status in case of module plugged in/out */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009117}
9118
9119static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
9120 struct link_params *params,
9121 struct link_vars *vars)
9122
9123{
9124 struct bnx2x *bp = params->bp;
Yaniv Rosner27d02432011-05-31 21:27:48 +00009125 u8 link_up = 0, oc_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009126 u16 link_status = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009127 u16 rx_alarm_status, lasi_ctrl, val1;
9128
9129 /* If PHY is not initialized, do not check link status */
9130 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009131 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009132 &lasi_ctrl);
9133 if (!lasi_ctrl)
9134 return 0;
9135
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00009136 /* Check the LASI on Rx */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009137 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009138 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009139 &rx_alarm_status);
9140 vars->line_speed = 0;
9141 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
9142
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009143 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
9144 MDIO_PMA_LASI_TXCTRL);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00009145
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009146 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009147 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009148
9149 DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
9150
9151 /* Clear MSG-OUT */
9152 bnx2x_cl45_read(bp, phy,
9153 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
9154
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009155 /* If a module is present and there is need to check
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009156 * for over current
9157 */
9158 if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
9159 /* Check over-current using 8727 GPIO0 input*/
9160 bnx2x_cl45_read(bp, phy,
9161 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
9162 &val1);
9163
9164 if ((val1 & (1<<8)) == 0) {
Yaniv Rosner27d02432011-05-31 21:27:48 +00009165 if (!CHIP_IS_E1x(bp))
9166 oc_port = BP_PATH(bp) + (params->port << 1);
Joe Perches94f05b02011-08-14 12:16:20 +00009167 DP(NETIF_MSG_LINK,
9168 "8727 Power fault has been detected on port %d\n",
9169 oc_port);
Yaniv Rosner2f751a82011-11-28 00:49:52 +00009170 netdev_err(bp->dev, "Error: Power fault on Port %d has "
9171 "been detected and the power to "
9172 "that SFP+ module has been removed "
9173 "to prevent failure of the card. "
9174 "Please remove the SFP+ module and "
9175 "restart the system to clear this "
9176 "error.\n",
Yaniv Rosner27d02432011-05-31 21:27:48 +00009177 oc_port);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009178 /* Disable all RX_ALARMs except for mod_abs */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009179 bnx2x_cl45_write(bp, phy,
9180 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009181 MDIO_PMA_LASI_RXCTRL, (1<<5));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009182
9183 bnx2x_cl45_read(bp, phy,
9184 MDIO_PMA_DEVAD,
9185 MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
9186 /* Wait for module_absent_event */
9187 val1 |= (1<<8);
9188 bnx2x_cl45_write(bp, phy,
9189 MDIO_PMA_DEVAD,
9190 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
9191 /* Clear RX alarm */
9192 bnx2x_cl45_read(bp, phy,
9193 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009194 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009195 return 0;
9196 }
9197 } /* Over current check */
9198
9199 /* When module absent bit is set, check module */
9200 if (rx_alarm_status & (1<<5)) {
9201 bnx2x_8727_handle_mod_abs(phy, params);
9202 /* Enable all mod_abs and link detection bits */
9203 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009204 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009205 ((1<<5) | (1<<2)));
9206 }
Yaniv Rosner59a2e532012-04-04 01:28:59 +00009207
9208 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
9209 DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
9210 bnx2x_sfp_set_transmitter(params, phy, 1);
9211 } else {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009212 DP(NETIF_MSG_LINK, "Tx is disabled\n");
9213 return 0;
9214 }
9215
9216 bnx2x_cl45_read(bp, phy,
9217 MDIO_PMA_DEVAD,
9218 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
9219
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009220 /* Bits 0..2 --> speed detected,
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009221 * Bits 13..15--> link is down
9222 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009223 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
9224 link_up = 1;
9225 vars->line_speed = SPEED_10000;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009226 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
9227 params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009228 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
9229 link_up = 1;
9230 vars->line_speed = SPEED_1000;
9231 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
9232 params->port);
9233 } else {
9234 link_up = 0;
9235 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
9236 params->port);
9237 }
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00009238
9239 /* Capture 10G link fault. */
9240 if (vars->line_speed == SPEED_10000) {
9241 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009242 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00009243
9244 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009245 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00009246
9247 if (val1 & (1<<0)) {
9248 vars->fault_detected = 1;
9249 }
9250 }
9251
Yaniv Rosner791f18c2011-01-18 04:33:42 +00009252 if (link_up) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009253 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00009254 vars->duplex = DUPLEX_FULL;
9255 DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
9256 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009257
9258 if ((DUAL_MEDIA(params)) &&
9259 (phy->req_line_speed == SPEED_1000)) {
9260 bnx2x_cl45_read(bp, phy,
9261 MDIO_PMA_DEVAD,
9262 MDIO_PMA_REG_8727_PCS_GP, &val1);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009263 /* In case of dual-media board and 1G, power up the XAUI side,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009264 * otherwise power it down. For 10G it is done automatically
9265 */
9266 if (link_up)
9267 val1 &= ~(3<<10);
9268 else
9269 val1 |= (3<<10);
9270 bnx2x_cl45_write(bp, phy,
9271 MDIO_PMA_DEVAD,
9272 MDIO_PMA_REG_8727_PCS_GP, val1);
9273 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009274 return link_up;
9275}
9276
9277static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
9278 struct link_params *params)
9279{
9280 struct bnx2x *bp = params->bp;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009281
9282 /* Enable/Disable PHY transmitter output */
9283 bnx2x_set_disable_pmd_transmit(params, phy, 1);
9284
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009285 /* Disable Transmitter */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00009286 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009287 /* Clear LASI */
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009288 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009289
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009290}
9291
9292/******************************************************************/
9293/* BCM8481/BCM84823/BCM84833 PHY SECTION */
9294/******************************************************************/
9295static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009296 struct bnx2x *bp,
9297 u8 port)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009298{
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009299 u16 val, fw_ver1, fw_ver2, cnt;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009300
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009301 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9302 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
Yaniv Rosner8267bbb02012-04-04 01:29:00 +00009303 bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009304 phy->ver_addr);
9305 } else {
9306 /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
9307 /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
9308 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
9309 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9310 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
9311 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
9312 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00009313
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009314 for (cnt = 0; cnt < 100; cnt++) {
9315 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9316 if (val & 1)
9317 break;
9318 udelay(5);
9319 }
9320 if (cnt == 100) {
9321 DP(NETIF_MSG_LINK, "Unable to read 848xx "
9322 "phy fw version(1)\n");
9323 bnx2x_save_spirom_version(bp, port, 0,
9324 phy->ver_addr);
9325 return;
9326 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009327
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009328
9329 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
9330 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
9331 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9332 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
9333 for (cnt = 0; cnt < 100; cnt++) {
9334 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9335 if (val & 1)
9336 break;
9337 udelay(5);
9338 }
9339 if (cnt == 100) {
9340 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
9341 "version(2)\n");
9342 bnx2x_save_spirom_version(bp, port, 0,
9343 phy->ver_addr);
9344 return;
9345 }
9346
9347 /* lower 16 bits of the register SPI_FW_STATUS */
9348 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
9349 /* upper 16 bits of register SPI_FW_STATUS */
9350 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
9351
9352 bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009353 phy->ver_addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009354 }
9355
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009356}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009357static void bnx2x_848xx_set_led(struct bnx2x *bp,
9358 struct bnx2x_phy *phy)
9359{
Yaniv Rosner521683d2011-11-28 00:49:48 +00009360 u16 val, offset;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009361
9362 /* PHYC_CTL_LED_CTL */
9363 bnx2x_cl45_read(bp, phy,
9364 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009365 MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009366 val &= 0xFE00;
9367 val |= 0x0092;
9368
9369 bnx2x_cl45_write(bp, phy,
9370 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009371 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009372
9373 bnx2x_cl45_write(bp, phy,
9374 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009375 MDIO_PMA_REG_8481_LED1_MASK,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009376 0x80);
9377
9378 bnx2x_cl45_write(bp, phy,
9379 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009380 MDIO_PMA_REG_8481_LED2_MASK,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009381 0x18);
9382
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00009383 /* Select activity source by Tx and Rx, as suggested by PHY AE */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009384 bnx2x_cl45_write(bp, phy,
9385 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009386 MDIO_PMA_REG_8481_LED3_MASK,
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00009387 0x0006);
9388
9389 /* Select the closest activity blink rate to that in 10/100/1000 */
9390 bnx2x_cl45_write(bp, phy,
9391 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009392 MDIO_PMA_REG_8481_LED3_BLINK,
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00009393 0);
9394
Yaniv Rosner521683d2011-11-28 00:49:48 +00009395 /* Configure the blink rate to ~15.9 Hz */
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00009396 bnx2x_cl45_write(bp, phy,
Yaniv Rosner521683d2011-11-28 00:49:48 +00009397 MDIO_PMA_DEVAD,
9398 MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
9399 MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
9400
9401 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
9402 offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
9403 else
9404 offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
9405
9406 bnx2x_cl45_read(bp, phy,
9407 MDIO_PMA_DEVAD, offset, &val);
9408 val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
9409 bnx2x_cl45_write(bp, phy,
9410 MDIO_PMA_DEVAD, offset, val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009411
9412 /* 'Interrupt Mask' */
9413 bnx2x_cl45_write(bp, phy,
9414 MDIO_AN_DEVAD,
9415 0xFFFB, 0xFFFD);
9416}
9417
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00009418static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
9419 struct link_params *params,
9420 u32 action)
9421{
9422 struct bnx2x *bp = params->bp;
9423 switch (action) {
9424 case PHY_INIT:
9425 if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9426 /* Save spirom version */
9427 bnx2x_save_848xx_spirom_version(phy, bp, params->port);
9428 }
9429 /* This phy uses the NIG latch mechanism since link indication
9430 * arrives through its LED4 and not via its LASI signal, so we
9431 * get steady signal instead of clear on read
9432 */
9433 bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
9434 1 << NIG_LATCH_BC_ENABLE_MI_INT);
9435
9436 bnx2x_848xx_set_led(bp, phy);
9437 break;
9438 }
9439}
9440
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009441static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
9442 struct link_params *params,
9443 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009444{
9445 struct bnx2x *bp = params->bp;
Yaniv Rosner521683d2011-11-28 00:49:48 +00009446 u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009447
Yaniv Rosner5c107fd2012-09-13 02:56:19 +00009448 bnx2x_848xx_specific_func(phy, params, PHY_INIT);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009449 bnx2x_cl45_write(bp, phy,
9450 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
9451
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009452 /* set 1000 speed advertisement */
9453 bnx2x_cl45_read(bp, phy,
9454 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9455 &an_1000_val);
9456
9457 bnx2x_ext_phy_set_pause(params, phy, vars);
9458 bnx2x_cl45_read(bp, phy,
9459 MDIO_AN_DEVAD,
9460 MDIO_AN_REG_8481_LEGACY_AN_ADV,
9461 &an_10_100_val);
9462 bnx2x_cl45_read(bp, phy,
9463 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9464 &autoneg_val);
9465 /* Disable forced speed */
9466 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9467 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
9468
9469 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9470 (phy->speed_cap_mask &
9471 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9472 (phy->req_line_speed == SPEED_1000)) {
9473 an_1000_val |= (1<<8);
9474 autoneg_val |= (1<<9 | 1<<12);
9475 if (phy->req_duplex == DUPLEX_FULL)
9476 an_1000_val |= (1<<9);
9477 DP(NETIF_MSG_LINK, "Advertising 1G\n");
9478 } else
9479 an_1000_val &= ~((1<<8) | (1<<9));
9480
9481 bnx2x_cl45_write(bp, phy,
9482 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9483 an_1000_val);
9484
Yaniv Rosner0520e632011-07-05 01:06:59 +00009485 /* set 100 speed advertisement */
Yaniv Rosner75318322012-01-17 02:33:27 +00009486 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009487 (phy->speed_cap_mask &
Yaniv Rosner0520e632011-07-05 01:06:59 +00009488 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
Yaniv Rosner75318322012-01-17 02:33:27 +00009489 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009490 an_10_100_val |= (1<<7);
9491 /* Enable autoneg and restart autoneg for legacy speeds */
9492 autoneg_val |= (1<<9 | 1<<12);
9493
9494 if (phy->req_duplex == DUPLEX_FULL)
9495 an_10_100_val |= (1<<8);
9496 DP(NETIF_MSG_LINK, "Advertising 100M\n");
9497 }
9498 /* set 10 speed advertisement */
9499 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
Yaniv Rosner0520e632011-07-05 01:06:59 +00009500 (phy->speed_cap_mask &
9501 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
9502 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
9503 (phy->supported &
9504 (SUPPORTED_10baseT_Half |
9505 SUPPORTED_10baseT_Full)))) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009506 an_10_100_val |= (1<<5);
9507 autoneg_val |= (1<<9 | 1<<12);
9508 if (phy->req_duplex == DUPLEX_FULL)
9509 an_10_100_val |= (1<<6);
9510 DP(NETIF_MSG_LINK, "Advertising 10M\n");
9511 }
9512
9513 /* Only 10/100 are allowed to work in FORCE mode */
Yaniv Rosner0520e632011-07-05 01:06:59 +00009514 if ((phy->req_line_speed == SPEED_100) &&
9515 (phy->supported &
9516 (SUPPORTED_100baseT_Half |
9517 SUPPORTED_100baseT_Full))) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009518 autoneg_val |= (1<<13);
9519 /* Enabled AUTO-MDIX when autoneg is disabled */
9520 bnx2x_cl45_write(bp, phy,
9521 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9522 (1<<15 | 1<<9 | 7<<0));
Yaniv Rosner521683d2011-11-28 00:49:48 +00009523 /* The PHY needs this set even for forced link. */
9524 an_10_100_val |= (1<<8) | (1<<7);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009525 DP(NETIF_MSG_LINK, "Setting 100M force\n");
9526 }
Yaniv Rosner0520e632011-07-05 01:06:59 +00009527 if ((phy->req_line_speed == SPEED_10) &&
9528 (phy->supported &
9529 (SUPPORTED_10baseT_Half |
9530 SUPPORTED_10baseT_Full))) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009531 /* Enabled AUTO-MDIX when autoneg is disabled */
9532 bnx2x_cl45_write(bp, phy,
9533 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9534 (1<<15 | 1<<9 | 7<<0));
9535 DP(NETIF_MSG_LINK, "Setting 10M force\n");
9536 }
9537
9538 bnx2x_cl45_write(bp, phy,
9539 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
9540 an_10_100_val);
9541
9542 if (phy->req_duplex == DUPLEX_FULL)
9543 autoneg_val |= (1<<8);
9544
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009545 /* Always write this if this is not 84833.
Yaniv Rosnerfd38f73e2011-08-02 22:59:53 +00009546 * For 84833, write it only when it's a forced speed.
9547 */
9548 if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9549 ((autoneg_val & (1<<12)) == 0))
9550 bnx2x_cl45_write(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009551 MDIO_AN_DEVAD,
9552 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
9553
9554 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9555 (phy->speed_cap_mask &
9556 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
9557 (phy->req_line_speed == SPEED_10000)) {
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00009558 DP(NETIF_MSG_LINK, "Advertising 10G\n");
9559 /* Restart autoneg for 10G*/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009560
Yaniv Rosner521683d2011-11-28 00:49:48 +00009561 bnx2x_cl45_read(bp, phy,
9562 MDIO_AN_DEVAD,
9563 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9564 &an_10g_val);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00009565 bnx2x_cl45_write(bp, phy,
Yaniv Rosner521683d2011-11-28 00:49:48 +00009566 MDIO_AN_DEVAD,
9567 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9568 an_10g_val | 0x1000);
9569 bnx2x_cl45_write(bp, phy,
9570 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
9571 0x3200);
Yaniv Rosnerfd38f73e2011-08-02 22:59:53 +00009572 } else
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009573 bnx2x_cl45_write(bp, phy,
9574 MDIO_AN_DEVAD,
9575 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9576 1);
Yaniv Rosnerfd38f73e2011-08-02 22:59:53 +00009577
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009578 return 0;
9579}
9580
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009581static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
9582 struct link_params *params,
9583 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009584{
9585 struct bnx2x *bp = params->bp;
9586 /* Restore normal power mode*/
9587 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009588 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009589
9590 /* HW reset */
9591 bnx2x_ext_phy_hw_reset(bp, params->port);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00009592 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009593
9594 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9595 return bnx2x_848xx_cmn_config_init(phy, params, vars);
9596}
9597
Yaniv Rosner521683d2011-11-28 00:49:48 +00009598#define PHY84833_CMDHDLR_WAIT 300
9599#define PHY84833_CMDHDLR_MAX_ARGS 5
9600static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
9601 struct link_params *params,
9602 u16 fw_cmd,
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009603 u16 cmd_args[], int argc)
Yaniv Rosner521683d2011-11-28 00:49:48 +00009604{
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009605 int idx;
Yaniv Rosner521683d2011-11-28 00:49:48 +00009606 u16 val;
9607 struct bnx2x *bp = params->bp;
9608 /* Write CMD_OPEN_OVERRIDE to STATUS reg */
9609 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9610 MDIO_84833_CMD_HDLR_STATUS,
9611 PHY84833_STATUS_CMD_OPEN_OVERRIDE);
9612 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9613 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9614 MDIO_84833_CMD_HDLR_STATUS, &val);
9615 if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
9616 break;
Yuval Mintzd2310232012-06-20 19:05:19 +00009617 usleep_range(1000, 2000);
Yaniv Rosner521683d2011-11-28 00:49:48 +00009618 }
9619 if (idx >= PHY84833_CMDHDLR_WAIT) {
9620 DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
9621 return -EINVAL;
9622 }
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009623
Yaniv Rosner521683d2011-11-28 00:49:48 +00009624 /* Prepare argument(s) and issue command */
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009625 for (idx = 0; idx < argc; idx++) {
Yaniv Rosner521683d2011-11-28 00:49:48 +00009626 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9627 MDIO_84833_CMD_HDLR_DATA1 + idx,
9628 cmd_args[idx]);
9629 }
9630 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9631 MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
9632 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9633 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9634 MDIO_84833_CMD_HDLR_STATUS, &val);
9635 if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
9636 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
9637 break;
Yuval Mintzd2310232012-06-20 19:05:19 +00009638 usleep_range(1000, 2000);
Yaniv Rosner521683d2011-11-28 00:49:48 +00009639 }
9640 if ((idx >= PHY84833_CMDHDLR_WAIT) ||
9641 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
9642 DP(NETIF_MSG_LINK, "FW cmd failed.\n");
9643 return -EINVAL;
9644 }
9645 /* Gather returning data */
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009646 for (idx = 0; idx < argc; idx++) {
Yaniv Rosner521683d2011-11-28 00:49:48 +00009647 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9648 MDIO_84833_CMD_HDLR_DATA1 + idx,
9649 &cmd_args[idx]);
9650 }
9651 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9652 MDIO_84833_CMD_HDLR_STATUS,
9653 PHY84833_STATUS_CMD_CLEAR_COMPLETE);
9654 return 0;
9655}
9656
9657
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009658static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
9659 struct link_params *params,
9660 struct link_vars *vars)
9661{
Yaniv Rosner0520e632011-07-05 01:06:59 +00009662 u32 pair_swap;
Yaniv Rosner521683d2011-11-28 00:49:48 +00009663 u16 data[PHY84833_CMDHDLR_MAX_ARGS];
9664 int status;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009665 struct bnx2x *bp = params->bp;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009666
Yaniv Rosner0520e632011-07-05 01:06:59 +00009667 /* Check for configuration. */
9668 pair_swap = REG_RD(bp, params->shmem_base +
9669 offsetof(struct shmem_region,
9670 dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
9671 PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
9672
9673 if (pair_swap == 0)
9674 return 0;
9675
Yaniv Rosner521683d2011-11-28 00:49:48 +00009676 /* Only the second argument is used for this command */
9677 data[1] = (u16)pair_swap;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009678
Yaniv Rosner521683d2011-11-28 00:49:48 +00009679 status = bnx2x_84833_cmd_hdlr(phy, params,
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009680 PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
Yaniv Rosner521683d2011-11-28 00:49:48 +00009681 if (status == 0)
9682 DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009683
Yaniv Rosner521683d2011-11-28 00:49:48 +00009684 return status;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009685}
9686
Yaniv Rosner985848f2011-07-05 01:06:48 +00009687static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
9688 u32 shmem_base_path[],
9689 u32 chip_id)
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009690{
9691 u32 reset_pin[2];
9692 u32 idx;
9693 u8 reset_gpios;
9694 if (CHIP_IS_E3(bp)) {
9695 /* Assume that these will be GPIOs, not EPIOs. */
9696 for (idx = 0; idx < 2; idx++) {
9697 /* Map config param to register bit. */
9698 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9699 offsetof(struct shmem_region,
9700 dev_info.port_hw_config[0].e3_cmn_pin_cfg));
9701 reset_pin[idx] = (reset_pin[idx] &
9702 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
9703 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
9704 reset_pin[idx] -= PIN_CFG_GPIO0_P0;
9705 reset_pin[idx] = (1 << reset_pin[idx]);
9706 }
9707 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9708 } else {
9709 /* E2, look from diff place of shmem. */
9710 for (idx = 0; idx < 2; idx++) {
9711 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9712 offsetof(struct shmem_region,
9713 dev_info.port_hw_config[0].default_cfg));
9714 reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
9715 reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
9716 reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
9717 reset_pin[idx] = (1 << reset_pin[idx]);
9718 }
9719 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9720 }
9721
Yaniv Rosner985848f2011-07-05 01:06:48 +00009722 return reset_gpios;
9723}
9724
9725static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
9726 struct link_params *params)
9727{
9728 struct bnx2x *bp = params->bp;
9729 u8 reset_gpios;
9730 u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
9731 offsetof(struct shmem2_region,
9732 other_shmem_base_addr));
9733
9734 u32 shmem_base_path[2];
Yaniv Rosner99bf7f32012-04-04 01:29:01 +00009735
9736 /* Work around for 84833 LED failure inside RESET status */
9737 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
9738 MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9739 MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
9740 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
9741 MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
9742 MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
9743
Yaniv Rosner985848f2011-07-05 01:06:48 +00009744 shmem_base_path[0] = params->shmem_base;
9745 shmem_base_path[1] = other_shmem_base_addr;
9746
9747 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
9748 params->chip_id);
9749
9750 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
9751 udelay(10);
9752 DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
9753 reset_gpios);
9754
9755 return 0;
9756}
9757
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009758static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
9759 struct link_params *params,
9760 struct link_vars *vars)
9761{
9762 int rc;
9763 struct bnx2x *bp = params->bp;
9764 u16 cmd_args = 0;
9765
9766 DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
9767
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009768 /* Prevent Phy from working in EEE and advertising it */
9769 rc = bnx2x_84833_cmd_hdlr(phy, params,
9770 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
Yuval Mintzd2310232012-06-20 19:05:19 +00009771 if (rc) {
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009772 DP(NETIF_MSG_LINK, "EEE disable failed.\n");
9773 return rc;
9774 }
9775
Yuval Mintzec4010e2012-09-10 05:51:06 +00009776 return bnx2x_eee_disable(phy, params, vars);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009777}
9778
9779static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
9780 struct link_params *params,
9781 struct link_vars *vars)
9782{
9783 int rc;
9784 struct bnx2x *bp = params->bp;
9785 u16 cmd_args = 1;
9786
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009787 rc = bnx2x_84833_cmd_hdlr(phy, params,
9788 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
Yuval Mintzd2310232012-06-20 19:05:19 +00009789 if (rc) {
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009790 DP(NETIF_MSG_LINK, "EEE enable failed.\n");
9791 return rc;
9792 }
9793
Yuval Mintzec4010e2012-09-10 05:51:06 +00009794 return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009795}
9796
Yaniv Rosnera89a1d42011-07-05 01:07:05 +00009797#define PHY84833_CONSTANT_LATENCY 1193
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009798static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
9799 struct link_params *params,
9800 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009801{
9802 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00009803 u8 port, initialize = 1;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009804 u16 val;
Yaniv Rosner521683d2011-11-28 00:49:48 +00009805 u32 actual_phy_selection, cms_enable;
9806 u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009807 int rc = 0;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009808
Yuval Mintzd2310232012-06-20 19:05:19 +00009809 usleep_range(1000, 2000);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009810
Yuval Mintz54813882012-06-16 20:27:15 +00009811 if (!(CHIP_IS_E1x(bp)))
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00009812 port = BP_PATH(bp);
9813 else
9814 port = params->port;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009815
9816 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
9817 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
9818 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
9819 port);
9820 } else {
Yaniv Rosner985848f2011-07-05 01:06:48 +00009821 /* MDIO reset */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009822 bnx2x_cl45_write(bp, phy,
9823 MDIO_PMA_DEVAD,
9824 MDIO_PMA_REG_CTRL, 0x8000);
Yaniv Rosner521683d2011-11-28 00:49:48 +00009825 }
9826
9827 bnx2x_wait_reset_complete(bp, phy, params);
9828
9829 /* Wait for GPHY to come out of reset */
9830 msleep(50);
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009831 if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009832 /* BCM84823 requires that XGXS links up first @ 10G for normal
Yaniv Rosner521683d2011-11-28 00:49:48 +00009833 * behavior.
9834 */
9835 u16 temp;
9836 temp = vars->line_speed;
9837 vars->line_speed = SPEED_10000;
9838 bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
9839 bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
9840 vars->line_speed = temp;
9841 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009842
9843 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009844 MDIO_CTL_REG_84823_MEDIA, &val);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009845 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
9846 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
9847 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
9848 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
9849 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009850
9851 if (CHIP_IS_E3(bp)) {
9852 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
9853 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
9854 } else {
9855 val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
9856 MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
9857 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009858
9859 actual_phy_selection = bnx2x_phy_selection(params);
9860
9861 switch (actual_phy_selection) {
9862 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
Lucas De Marchi25985ed2011-03-30 22:57:33 -03009863 /* Do nothing. Essentially this is like the priority copper */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009864 break;
9865 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
9866 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
9867 break;
9868 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
9869 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
9870 break;
9871 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
9872 /* Do nothing here. The first PHY won't be initialized at all */
9873 break;
9874 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
9875 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
9876 initialize = 0;
9877 break;
9878 }
9879 if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
9880 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
9881
9882 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009883 MDIO_CTL_REG_84823_MEDIA, val);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009884 DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
9885 params->multi_phy_config, val);
9886
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009887 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9888 bnx2x_84833_pair_swap_cfg(phy, params, vars);
Yaniv Rosnera89a1d42011-07-05 01:07:05 +00009889
Yaniv Rosner096b9522012-01-17 02:33:28 +00009890 /* Keep AutogrEEEn disabled. */
9891 cmd_args[0] = 0x0;
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009892 cmd_args[1] = 0x0;
9893 cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
9894 cmd_args[3] = PHY84833_CONSTANT_LATENCY;
9895 rc = bnx2x_84833_cmd_hdlr(phy, params,
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009896 PHY84833_CMD_SET_EEE_MODE, cmd_args,
9897 PHY84833_CMDHDLR_MAX_ARGS);
Yuval Mintzd2310232012-06-20 19:05:19 +00009898 if (rc)
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009899 DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
9900 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009901 if (initialize)
9902 rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
9903 else
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009904 bnx2x_save_848xx_spirom_version(phy, bp, params->port);
Yaniv Rosnera89a1d42011-07-05 01:07:05 +00009905 /* 84833 PHY has a better feature and doesn't need to support this. */
9906 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
9907 cms_enable = REG_RD(bp, params->shmem_base +
Yaniv Rosner1bef68e2011-01-31 04:22:46 +00009908 offsetof(struct shmem_region,
9909 dev_info.port_hw_config[params->port].default_cfg)) &
9910 PORT_HW_CFG_ENABLE_CMS_MASK;
9911
Yaniv Rosnera89a1d42011-07-05 01:07:05 +00009912 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9913 MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
9914 if (cms_enable)
9915 val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
9916 else
9917 val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
9918 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9919 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
9920 }
Yaniv Rosner1bef68e2011-01-31 04:22:46 +00009921
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009922 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9923 MDIO_84833_TOP_CFG_FW_REV, &val);
9924
9925 /* Configure EEE support */
Yuval Mintzf6b6eb62012-09-10 05:51:07 +00009926 if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
9927 (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
9928 bnx2x_eee_has_cap(params)) {
Yuval Mintzec4010e2012-09-10 05:51:06 +00009929 rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
Yuval Mintzd2310232012-06-20 19:05:19 +00009930 if (rc) {
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009931 DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
9932 bnx2x_8483x_disable_eee(phy, params, vars);
9933 return rc;
9934 }
9935
9936 if ((params->req_duplex[actual_phy_selection] == DUPLEX_FULL) &&
9937 (params->eee_mode & EEE_MODE_ADV_LPI) &&
9938 (bnx2x_eee_calc_timer(params) ||
9939 !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
9940 rc = bnx2x_8483x_enable_eee(phy, params, vars);
9941 else
9942 rc = bnx2x_8483x_disable_eee(phy, params, vars);
Yuval Mintzd2310232012-06-20 19:05:19 +00009943 if (rc) {
Masanari Iidaefc7ce02012-11-02 04:36:17 +00009944 DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009945 return rc;
9946 }
9947 } else {
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009948 vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
9949 }
9950
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009951 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9952 /* Bring PHY out of super isolate mode as the final step. */
9953 bnx2x_cl45_read(bp, phy,
9954 MDIO_CTL_DEVAD,
9955 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
9956 val &= ~MDIO_84833_SUPER_ISOLATE;
9957 bnx2x_cl45_write(bp, phy,
9958 MDIO_CTL_DEVAD,
9959 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
9960 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009961 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009962}
9963
9964static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009965 struct link_params *params,
9966 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009967{
9968 struct bnx2x *bp = params->bp;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009969 u16 val, val1, val2;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009970 u8 link_up = 0;
9971
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00009972
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009973 /* Check 10G-BaseT link status */
9974 /* Check PMD signal ok */
9975 bnx2x_cl45_read(bp, phy,
9976 MDIO_AN_DEVAD, 0xFFFA, &val1);
9977 bnx2x_cl45_read(bp, phy,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009978 MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009979 &val2);
9980 DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
9981
9982 /* Check link 10G */
9983 if (val2 & (1<<11)) {
9984 vars->line_speed = SPEED_10000;
Yaniv Rosner791f18c2011-01-18 04:33:42 +00009985 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009986 link_up = 1;
9987 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
9988 } else { /* Check Legacy speed link */
9989 u16 legacy_status, legacy_speed;
9990
9991 /* Enable expansion register 0x42 (Operation mode status) */
9992 bnx2x_cl45_write(bp, phy,
9993 MDIO_AN_DEVAD,
9994 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
9995
9996 /* Get legacy speed operation status */
9997 bnx2x_cl45_read(bp, phy,
9998 MDIO_AN_DEVAD,
9999 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
10000 &legacy_status);
10001
Joe Perches94f05b02011-08-14 12:16:20 +000010002 DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
10003 legacy_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010004 link_up = ((legacy_status & (1<<11)) == (1<<11));
Yuval Mintz14400902012-06-20 19:05:20 +000010005 legacy_speed = (legacy_status & (3<<9));
10006 if (legacy_speed == (0<<9))
10007 vars->line_speed = SPEED_10;
10008 else if (legacy_speed == (1<<9))
10009 vars->line_speed = SPEED_100;
10010 else if (legacy_speed == (2<<9))
10011 vars->line_speed = SPEED_1000;
10012 else { /* Should not happen: Treat as link down */
10013 vars->line_speed = 0;
10014 link_up = 0;
10015 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010016
Yuval Mintz14400902012-06-20 19:05:20 +000010017 if (link_up) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010018 if (legacy_status & (1<<8))
10019 vars->duplex = DUPLEX_FULL;
10020 else
10021 vars->duplex = DUPLEX_HALF;
10022
Joe Perches94f05b02011-08-14 12:16:20 +000010023 DP(NETIF_MSG_LINK,
10024 "Link is up in %dMbps, is_duplex_full= %d\n",
10025 vars->line_speed,
10026 (vars->duplex == DUPLEX_FULL));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010027 /* Check legacy speed AN resolution */
10028 bnx2x_cl45_read(bp, phy,
10029 MDIO_AN_DEVAD,
10030 MDIO_AN_REG_8481_LEGACY_MII_STATUS,
10031 &val);
10032 if (val & (1<<5))
10033 vars->link_status |=
10034 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10035 bnx2x_cl45_read(bp, phy,
10036 MDIO_AN_DEVAD,
10037 MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
10038 &val);
10039 if ((val & (1<<0)) == 0)
10040 vars->link_status |=
10041 LINK_STATUS_PARALLEL_DETECTION_USED;
10042 }
10043 }
10044 if (link_up) {
Yuval Mintzd2310232012-06-20 19:05:19 +000010045 DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010046 vars->line_speed);
10047 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Mintz Yuval9e7e8392012-02-15 02:10:24 +000010048
10049 /* Read LP advertised speeds */
10050 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10051 MDIO_AN_REG_CL37_FC_LP, &val);
10052 if (val & (1<<5))
10053 vars->link_status |=
10054 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10055 if (val & (1<<6))
10056 vars->link_status |=
10057 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10058 if (val & (1<<7))
10059 vars->link_status |=
10060 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10061 if (val & (1<<8))
10062 vars->link_status |=
10063 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10064 if (val & (1<<9))
10065 vars->link_status |=
10066 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10067
10068 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10069 MDIO_AN_REG_1000T_STATUS, &val);
10070
10071 if (val & (1<<10))
10072 vars->link_status |=
10073 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10074 if (val & (1<<11))
10075 vars->link_status |=
10076 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10077
10078 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10079 MDIO_AN_REG_MASTER_STATUS, &val);
10080
10081 if (val & (1<<11))
10082 vars->link_status |=
10083 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010084
10085 /* Determine if EEE was negotiated */
Yuval Mintzec4010e2012-09-10 05:51:06 +000010086 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
10087 bnx2x_eee_an_resolve(phy, params, vars);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010088 }
10089
10090 return link_up;
10091}
10092
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010093
10094static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010095{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010096 int status = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010097 u32 spirom_ver;
10098 spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
10099 status = bnx2x_format_ver(spirom_ver, str, len);
10100 return status;
10101}
10102
10103static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
10104 struct link_params *params)
10105{
10106 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010107 MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010108 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010109 MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010110}
10111
10112static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
10113 struct link_params *params)
10114{
10115 bnx2x_cl45_write(params->bp, phy,
10116 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
10117 bnx2x_cl45_write(params->bp, phy,
10118 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
10119}
10120
10121static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
10122 struct link_params *params)
10123{
10124 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +000010125 u8 port;
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010126 u16 val16;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010127
Yaniv Rosnerf93fb012012-04-04 01:29:02 +000010128 if (!(CHIP_IS_E1x(bp)))
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +000010129 port = BP_PATH(bp);
10130 else
10131 port = params->port;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010132
10133 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10134 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10135 MISC_REGISTERS_GPIO_OUTPUT_LOW,
10136 port);
10137 } else {
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010138 bnx2x_cl45_read(bp, phy,
10139 MDIO_CTL_DEVAD,
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010140 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
10141 val16 |= MDIO_84833_SUPER_ISOLATE;
Yaniv Rosnerfd38f73e2011-08-02 22:59:53 +000010142 bnx2x_cl45_write(bp, phy,
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010143 MDIO_CTL_DEVAD,
10144 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010145 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010146}
10147
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010148static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
10149 struct link_params *params, u8 mode)
10150{
10151 struct bnx2x *bp = params->bp;
10152 u16 val;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010153 u8 port;
10154
Yaniv Rosnerf93fb012012-04-04 01:29:02 +000010155 if (!(CHIP_IS_E1x(bp)))
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010156 port = BP_PATH(bp);
10157 else
10158 port = params->port;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010159
10160 switch (mode) {
10161 case LED_MODE_OFF:
10162
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010163 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010164
10165 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10166 SHARED_HW_CFG_LED_EXTPHY1) {
10167
10168 /* Set LED masks */
10169 bnx2x_cl45_write(bp, phy,
10170 MDIO_PMA_DEVAD,
10171 MDIO_PMA_REG_8481_LED1_MASK,
10172 0x0);
10173
10174 bnx2x_cl45_write(bp, phy,
10175 MDIO_PMA_DEVAD,
10176 MDIO_PMA_REG_8481_LED2_MASK,
10177 0x0);
10178
10179 bnx2x_cl45_write(bp, phy,
10180 MDIO_PMA_DEVAD,
10181 MDIO_PMA_REG_8481_LED3_MASK,
10182 0x0);
10183
10184 bnx2x_cl45_write(bp, phy,
10185 MDIO_PMA_DEVAD,
10186 MDIO_PMA_REG_8481_LED5_MASK,
10187 0x0);
10188
10189 } else {
10190 bnx2x_cl45_write(bp, phy,
10191 MDIO_PMA_DEVAD,
10192 MDIO_PMA_REG_8481_LED1_MASK,
10193 0x0);
10194 }
10195 break;
10196 case LED_MODE_FRONT_PANEL_OFF:
10197
10198 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010199 port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010200
10201 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10202 SHARED_HW_CFG_LED_EXTPHY1) {
10203
10204 /* Set LED masks */
10205 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010206 MDIO_PMA_DEVAD,
10207 MDIO_PMA_REG_8481_LED1_MASK,
10208 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010209
10210 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010211 MDIO_PMA_DEVAD,
10212 MDIO_PMA_REG_8481_LED2_MASK,
10213 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010214
10215 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010216 MDIO_PMA_DEVAD,
10217 MDIO_PMA_REG_8481_LED3_MASK,
10218 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010219
10220 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010221 MDIO_PMA_DEVAD,
10222 MDIO_PMA_REG_8481_LED5_MASK,
10223 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010224
10225 } else {
10226 bnx2x_cl45_write(bp, phy,
10227 MDIO_PMA_DEVAD,
10228 MDIO_PMA_REG_8481_LED1_MASK,
10229 0x0);
10230 }
10231 break;
10232 case LED_MODE_ON:
10233
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010234 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010235
10236 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10237 SHARED_HW_CFG_LED_EXTPHY1) {
10238 /* Set control reg */
10239 bnx2x_cl45_read(bp, phy,
10240 MDIO_PMA_DEVAD,
10241 MDIO_PMA_REG_8481_LINK_SIGNAL,
10242 &val);
10243 val &= 0x8000;
10244 val |= 0x2492;
10245
10246 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010247 MDIO_PMA_DEVAD,
10248 MDIO_PMA_REG_8481_LINK_SIGNAL,
10249 val);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010250
10251 /* Set LED masks */
10252 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010253 MDIO_PMA_DEVAD,
10254 MDIO_PMA_REG_8481_LED1_MASK,
10255 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010256
10257 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010258 MDIO_PMA_DEVAD,
10259 MDIO_PMA_REG_8481_LED2_MASK,
10260 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010261
10262 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010263 MDIO_PMA_DEVAD,
10264 MDIO_PMA_REG_8481_LED3_MASK,
10265 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010266
10267 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010268 MDIO_PMA_DEVAD,
10269 MDIO_PMA_REG_8481_LED5_MASK,
10270 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010271 } else {
10272 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010273 MDIO_PMA_DEVAD,
10274 MDIO_PMA_REG_8481_LED1_MASK,
10275 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010276 }
10277 break;
10278
10279 case LED_MODE_OPER:
10280
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010281 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010282
10283 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10284 SHARED_HW_CFG_LED_EXTPHY1) {
10285
10286 /* Set control reg */
10287 bnx2x_cl45_read(bp, phy,
10288 MDIO_PMA_DEVAD,
10289 MDIO_PMA_REG_8481_LINK_SIGNAL,
10290 &val);
10291
10292 if (!((val &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010293 MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
10294 >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000010295 DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010296 bnx2x_cl45_write(bp, phy,
10297 MDIO_PMA_DEVAD,
10298 MDIO_PMA_REG_8481_LINK_SIGNAL,
10299 0xa492);
10300 }
10301
10302 /* Set LED masks */
10303 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010304 MDIO_PMA_DEVAD,
10305 MDIO_PMA_REG_8481_LED1_MASK,
10306 0x10);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010307
10308 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010309 MDIO_PMA_DEVAD,
10310 MDIO_PMA_REG_8481_LED2_MASK,
10311 0x80);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010312
10313 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010314 MDIO_PMA_DEVAD,
10315 MDIO_PMA_REG_8481_LED3_MASK,
10316 0x98);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010317
10318 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010319 MDIO_PMA_DEVAD,
10320 MDIO_PMA_REG_8481_LED5_MASK,
10321 0x40);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010322
10323 } else {
10324 bnx2x_cl45_write(bp, phy,
10325 MDIO_PMA_DEVAD,
10326 MDIO_PMA_REG_8481_LED1_MASK,
10327 0x80);
Yaniv Rosner53eda062011-01-30 04:14:55 +000010328
10329 /* Tell LED3 to blink on source */
10330 bnx2x_cl45_read(bp, phy,
10331 MDIO_PMA_DEVAD,
10332 MDIO_PMA_REG_8481_LINK_SIGNAL,
10333 &val);
10334 val &= ~(7<<6);
10335 val |= (1<<6); /* A83B[8:6]= 1 */
10336 bnx2x_cl45_write(bp, phy,
10337 MDIO_PMA_DEVAD,
10338 MDIO_PMA_REG_8481_LINK_SIGNAL,
10339 val);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010340 }
10341 break;
10342 }
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010343
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010344 /* This is a workaround for E3+84833 until autoneg
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010345 * restart is fixed in f/w
10346 */
10347 if (CHIP_IS_E3(bp)) {
10348 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
10349 MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
10350 }
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010351}
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010352
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010353/******************************************************************/
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010354/* 54618SE PHY SECTION */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010355/******************************************************************/
Yaniv Rosner5c107fd2012-09-13 02:56:19 +000010356static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
10357 struct link_params *params,
10358 u32 action)
10359{
10360 struct bnx2x *bp = params->bp;
10361 u16 temp;
10362 switch (action) {
10363 case PHY_INIT:
10364 /* Configure LED4: set to INTR (0x6). */
10365 /* Accessing shadow register 0xe. */
10366 bnx2x_cl22_write(bp, phy,
10367 MDIO_REG_GPHY_SHADOW,
10368 MDIO_REG_GPHY_SHADOW_LED_SEL2);
10369 bnx2x_cl22_read(bp, phy,
10370 MDIO_REG_GPHY_SHADOW,
10371 &temp);
10372 temp &= ~(0xf << 4);
10373 temp |= (0x6 << 4);
10374 bnx2x_cl22_write(bp, phy,
10375 MDIO_REG_GPHY_SHADOW,
10376 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10377 /* Configure INTR based on link status change. */
10378 bnx2x_cl22_write(bp, phy,
10379 MDIO_REG_INTR_MASK,
10380 ~MDIO_REG_INTR_MASK_LINK_STATUS);
10381 break;
10382 }
10383}
10384
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010385static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
Yaniv Rosner6583e332011-06-14 01:34:17 +000010386 struct link_params *params,
10387 struct link_vars *vars)
10388{
10389 struct bnx2x *bp = params->bp;
10390 u8 port;
10391 u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
10392 u32 cfg_pin;
10393
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010394 DP(NETIF_MSG_LINK, "54618SE cfg init\n");
Yuval Mintzd2310232012-06-20 19:05:19 +000010395 usleep_range(1000, 2000);
Yaniv Rosner6583e332011-06-14 01:34:17 +000010396
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010397 /* This works with E3 only, no need to check the chip
Yaniv Rosner2f751a82011-11-28 00:49:52 +000010398 * before determining the port.
10399 */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010400 port = params->port;
10401
10402 cfg_pin = (REG_RD(bp, params->shmem_base +
10403 offsetof(struct shmem_region,
10404 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10405 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10406 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10407
10408 /* Drive pin high to bring the GPHY out of reset. */
10409 bnx2x_set_cfg_pin(bp, cfg_pin, 1);
10410
10411 /* wait for GPHY to reset */
10412 msleep(50);
10413
10414 /* reset phy */
10415 bnx2x_cl22_write(bp, phy,
10416 MDIO_PMA_REG_CTRL, 0x8000);
10417 bnx2x_wait_reset_complete(bp, phy, params);
10418
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010419 /* Wait for GPHY to reset */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010420 msleep(50);
10421
Yaniv Rosner6583e332011-06-14 01:34:17 +000010422
Yaniv Rosner5c107fd2012-09-13 02:56:19 +000010423 bnx2x_54618se_specific_func(phy, params, PHY_INIT);
Yaniv Rosner6583e332011-06-14 01:34:17 +000010424 /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
10425 bnx2x_cl22_write(bp, phy,
10426 MDIO_REG_GPHY_SHADOW,
10427 MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
10428 bnx2x_cl22_read(bp, phy,
10429 MDIO_REG_GPHY_SHADOW,
10430 &temp);
10431 temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
10432 bnx2x_cl22_write(bp, phy,
10433 MDIO_REG_GPHY_SHADOW,
10434 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10435
10436 /* Set up fc */
10437 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
10438 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
10439 fc_val = 0;
10440 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
10441 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
10442 fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
10443
10444 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
10445 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
10446 fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
10447
Yuval Mintzd2310232012-06-20 19:05:19 +000010448 /* Read all advertisement */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010449 bnx2x_cl22_read(bp, phy,
10450 0x09,
10451 &an_1000_val);
10452
10453 bnx2x_cl22_read(bp, phy,
10454 0x04,
10455 &an_10_100_val);
10456
10457 bnx2x_cl22_read(bp, phy,
10458 MDIO_PMA_REG_CTRL,
10459 &autoneg_val);
10460
10461 /* Disable forced speed */
10462 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
10463 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
10464 (1<<11));
10465
10466 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10467 (phy->speed_cap_mask &
10468 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
10469 (phy->req_line_speed == SPEED_1000)) {
10470 an_1000_val |= (1<<8);
10471 autoneg_val |= (1<<9 | 1<<12);
10472 if (phy->req_duplex == DUPLEX_FULL)
10473 an_1000_val |= (1<<9);
10474 DP(NETIF_MSG_LINK, "Advertising 1G\n");
10475 } else
10476 an_1000_val &= ~((1<<8) | (1<<9));
10477
10478 bnx2x_cl22_write(bp, phy,
10479 0x09,
10480 an_1000_val);
10481 bnx2x_cl22_read(bp, phy,
10482 0x09,
10483 &an_1000_val);
10484
Yuval Mintzd2310232012-06-20 19:05:19 +000010485 /* Set 100 speed advertisement */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010486 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10487 (phy->speed_cap_mask &
10488 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
10489 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
10490 an_10_100_val |= (1<<7);
10491 /* Enable autoneg and restart autoneg for legacy speeds */
10492 autoneg_val |= (1<<9 | 1<<12);
10493
10494 if (phy->req_duplex == DUPLEX_FULL)
10495 an_10_100_val |= (1<<8);
10496 DP(NETIF_MSG_LINK, "Advertising 100M\n");
10497 }
10498
Yuval Mintzd2310232012-06-20 19:05:19 +000010499 /* Set 10 speed advertisement */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010500 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10501 (phy->speed_cap_mask &
10502 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
10503 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
10504 an_10_100_val |= (1<<5);
10505 autoneg_val |= (1<<9 | 1<<12);
10506 if (phy->req_duplex == DUPLEX_FULL)
10507 an_10_100_val |= (1<<6);
10508 DP(NETIF_MSG_LINK, "Advertising 10M\n");
10509 }
10510
10511 /* Only 10/100 are allowed to work in FORCE mode */
10512 if (phy->req_line_speed == SPEED_100) {
10513 autoneg_val |= (1<<13);
10514 /* Enabled AUTO-MDIX when autoneg is disabled */
10515 bnx2x_cl22_write(bp, phy,
10516 0x18,
10517 (1<<15 | 1<<9 | 7<<0));
10518 DP(NETIF_MSG_LINK, "Setting 100M force\n");
10519 }
10520 if (phy->req_line_speed == SPEED_10) {
10521 /* Enabled AUTO-MDIX when autoneg is disabled */
10522 bnx2x_cl22_write(bp, phy,
10523 0x18,
10524 (1<<15 | 1<<9 | 7<<0));
10525 DP(NETIF_MSG_LINK, "Setting 10M force\n");
10526 }
10527
Yuval Mintz26964bb2012-09-10 05:51:08 +000010528 if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
10529 int rc;
10530
10531 bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
10532 MDIO_REG_GPHY_EXP_ACCESS_TOP |
10533 MDIO_REG_GPHY_EXP_TOP_2K_BUF);
10534 bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
10535 temp &= 0xfffe;
10536 bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
10537
10538 rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
10539 if (rc) {
10540 DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10541 bnx2x_eee_disable(phy, params, vars);
10542 } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
10543 (phy->req_duplex == DUPLEX_FULL) &&
10544 (bnx2x_eee_calc_timer(params) ||
10545 !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
10546 /* Need to advertise EEE only when requested,
10547 * and either no LPI assertion was requested,
10548 * or it was requested and a valid timer was set.
10549 * Also notice full duplex is required for EEE.
10550 */
10551 bnx2x_eee_advertise(phy, params, vars,
10552 SHMEM_EEE_1G_ADV);
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010553 } else {
Yuval Mintz26964bb2012-09-10 05:51:08 +000010554 DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
10555 bnx2x_eee_disable(phy, params, vars);
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010556 }
Yuval Mintz26964bb2012-09-10 05:51:08 +000010557 } else {
10558 vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
10559 SHMEM_EEE_SUPPORTED_SHIFT;
10560
10561 if (phy->flags & FLAGS_EEE) {
10562 /* Handle legacy auto-grEEEn */
10563 if (params->feature_config_flags &
10564 FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
10565 temp = 6;
10566 DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
10567 } else {
10568 temp = 0;
10569 DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
10570 }
10571 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10572 MDIO_AN_REG_EEE_ADV, temp);
10573 }
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010574 }
10575
Yaniv Rosner6583e332011-06-14 01:34:17 +000010576 bnx2x_cl22_write(bp, phy,
10577 0x04,
10578 an_10_100_val | fc_val);
10579
10580 if (phy->req_duplex == DUPLEX_FULL)
10581 autoneg_val |= (1<<8);
10582
10583 bnx2x_cl22_write(bp, phy,
10584 MDIO_PMA_REG_CTRL, autoneg_val);
10585
10586 return 0;
10587}
10588
Yaniv Rosner1d125bd2011-11-23 03:54:08 +000010589
10590static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
10591 struct link_params *params, u8 mode)
10592{
10593 struct bnx2x *bp = params->bp;
10594 u16 temp;
10595
10596 bnx2x_cl22_write(bp, phy,
10597 MDIO_REG_GPHY_SHADOW,
10598 MDIO_REG_GPHY_SHADOW_LED_SEL1);
10599 bnx2x_cl22_read(bp, phy,
10600 MDIO_REG_GPHY_SHADOW,
10601 &temp);
10602 temp &= 0xff00;
10603
10604 DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
10605 switch (mode) {
10606 case LED_MODE_FRONT_PANEL_OFF:
10607 case LED_MODE_OFF:
10608 temp |= 0x00ee;
10609 break;
10610 case LED_MODE_OPER:
10611 temp |= 0x0001;
10612 break;
10613 case LED_MODE_ON:
10614 temp |= 0x00ff;
10615 break;
10616 default:
10617 break;
10618 }
10619 bnx2x_cl22_write(bp, phy,
10620 MDIO_REG_GPHY_SHADOW,
10621 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10622 return;
10623}
10624
10625
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010626static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
10627 struct link_params *params)
Yaniv Rosner6583e332011-06-14 01:34:17 +000010628{
10629 struct bnx2x *bp = params->bp;
10630 u32 cfg_pin;
10631 u8 port;
10632
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010633 /* In case of no EPIO routed to reset the GPHY, put it
Yaniv Rosnerd2059a02011-08-02 23:00:00 +000010634 * in low power mode.
10635 */
10636 bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010637 /* This works with E3 only, no need to check the chip
Yaniv Rosnerd2059a02011-08-02 23:00:00 +000010638 * before determining the port.
10639 */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010640 port = params->port;
10641 cfg_pin = (REG_RD(bp, params->shmem_base +
10642 offsetof(struct shmem_region,
10643 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10644 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10645 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10646
10647 /* Drive pin low to put GPHY in reset. */
10648 bnx2x_set_cfg_pin(bp, cfg_pin, 0);
10649}
10650
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010651static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
10652 struct link_params *params,
10653 struct link_vars *vars)
Yaniv Rosner6583e332011-06-14 01:34:17 +000010654{
10655 struct bnx2x *bp = params->bp;
10656 u16 val;
10657 u8 link_up = 0;
10658 u16 legacy_status, legacy_speed;
10659
10660 /* Get speed operation status */
10661 bnx2x_cl22_read(bp, phy,
Yuval Mintza351d492012-06-20 19:05:21 +000010662 MDIO_REG_GPHY_AUX_STATUS,
Yaniv Rosner6583e332011-06-14 01:34:17 +000010663 &legacy_status);
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010664 DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
Yaniv Rosner6583e332011-06-14 01:34:17 +000010665
10666 /* Read status to clear the PHY interrupt. */
10667 bnx2x_cl22_read(bp, phy,
10668 MDIO_REG_INTR_STATUS,
10669 &val);
10670
10671 link_up = ((legacy_status & (1<<2)) == (1<<2));
10672
10673 if (link_up) {
10674 legacy_speed = (legacy_status & (7<<8));
10675 if (legacy_speed == (7<<8)) {
10676 vars->line_speed = SPEED_1000;
10677 vars->duplex = DUPLEX_FULL;
10678 } else if (legacy_speed == (6<<8)) {
10679 vars->line_speed = SPEED_1000;
10680 vars->duplex = DUPLEX_HALF;
10681 } else if (legacy_speed == (5<<8)) {
10682 vars->line_speed = SPEED_100;
10683 vars->duplex = DUPLEX_FULL;
10684 }
10685 /* Omitting 100Base-T4 for now */
10686 else if (legacy_speed == (3<<8)) {
10687 vars->line_speed = SPEED_100;
10688 vars->duplex = DUPLEX_HALF;
10689 } else if (legacy_speed == (2<<8)) {
10690 vars->line_speed = SPEED_10;
10691 vars->duplex = DUPLEX_FULL;
10692 } else if (legacy_speed == (1<<8)) {
10693 vars->line_speed = SPEED_10;
10694 vars->duplex = DUPLEX_HALF;
10695 } else /* Should not happen */
10696 vars->line_speed = 0;
10697
Joe Perches94f05b02011-08-14 12:16:20 +000010698 DP(NETIF_MSG_LINK,
10699 "Link is up in %dMbps, is_duplex_full= %d\n",
10700 vars->line_speed,
10701 (vars->duplex == DUPLEX_FULL));
Yaniv Rosner6583e332011-06-14 01:34:17 +000010702
10703 /* Check legacy speed AN resolution */
10704 bnx2x_cl22_read(bp, phy,
10705 0x01,
10706 &val);
10707 if (val & (1<<5))
10708 vars->link_status |=
10709 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10710 bnx2x_cl22_read(bp, phy,
10711 0x06,
10712 &val);
10713 if ((val & (1<<0)) == 0)
10714 vars->link_status |=
10715 LINK_STATUS_PARALLEL_DETECTION_USED;
10716
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010717 DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
Yaniv Rosner6583e332011-06-14 01:34:17 +000010718 vars->line_speed);
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010719
Yaniv Rosner6583e332011-06-14 01:34:17 +000010720 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Mintz Yuval9e7e8392012-02-15 02:10:24 +000010721
10722 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010723 /* Report LP advertised speeds */
Mintz Yuval9e7e8392012-02-15 02:10:24 +000010724 bnx2x_cl22_read(bp, phy, 0x5, &val);
10725
10726 if (val & (1<<5))
10727 vars->link_status |=
10728 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10729 if (val & (1<<6))
10730 vars->link_status |=
10731 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10732 if (val & (1<<7))
10733 vars->link_status |=
10734 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10735 if (val & (1<<8))
10736 vars->link_status |=
10737 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10738 if (val & (1<<9))
10739 vars->link_status |=
10740 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10741
10742 bnx2x_cl22_read(bp, phy, 0xa, &val);
10743 if (val & (1<<10))
10744 vars->link_status |=
10745 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10746 if (val & (1<<11))
10747 vars->link_status |=
10748 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
Yuval Mintz26964bb2012-09-10 05:51:08 +000010749
10750 if ((phy->flags & FLAGS_EEE) &&
10751 bnx2x_eee_has_cap(params))
10752 bnx2x_eee_an_resolve(phy, params, vars);
Mintz Yuval9e7e8392012-02-15 02:10:24 +000010753 }
Yaniv Rosner6583e332011-06-14 01:34:17 +000010754 }
10755 return link_up;
10756}
10757
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010758static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
10759 struct link_params *params)
Yaniv Rosner6583e332011-06-14 01:34:17 +000010760{
10761 struct bnx2x *bp = params->bp;
10762 u16 val;
10763 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
10764
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010765 DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
Yaniv Rosner6583e332011-06-14 01:34:17 +000010766
10767 /* Enable master/slave manual mmode and set to master */
10768 /* mii write 9 [bits set 11 12] */
10769 bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
10770
10771 /* forced 1G and disable autoneg */
10772 /* set val [mii read 0] */
10773 /* set val [expr $val & [bits clear 6 12 13]] */
10774 /* set val [expr $val | [bits set 6 8]] */
10775 /* mii write 0 $val */
10776 bnx2x_cl22_read(bp, phy, 0x00, &val);
10777 val &= ~((1<<6) | (1<<12) | (1<<13));
10778 val |= (1<<6) | (1<<8);
10779 bnx2x_cl22_write(bp, phy, 0x00, val);
10780
10781 /* Set external loopback and Tx using 6dB coding */
10782 /* mii write 0x18 7 */
10783 /* set val [mii read 0x18] */
10784 /* mii write 0x18 [expr $val | [bits set 10 15]] */
10785 bnx2x_cl22_write(bp, phy, 0x18, 7);
10786 bnx2x_cl22_read(bp, phy, 0x18, &val);
10787 bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
10788
10789 /* This register opens the gate for the UMAC despite its name */
10790 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
10791
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010792 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
Yaniv Rosner6583e332011-06-14 01:34:17 +000010793 * length used by the MAC receive logic to check frames.
10794 */
10795 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
10796}
10797
10798/******************************************************************/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010799/* SFX7101 PHY SECTION */
10800/******************************************************************/
10801static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
10802 struct link_params *params)
10803{
10804 struct bnx2x *bp = params->bp;
10805 /* SFX7101_XGXS_TEST1 */
10806 bnx2x_cl45_write(bp, phy,
10807 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
10808}
10809
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010810static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
10811 struct link_params *params,
10812 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010813{
10814 u16 fw_ver1, fw_ver2, val;
10815 struct bnx2x *bp = params->bp;
10816 DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
10817
10818 /* Restore normal power mode*/
10819 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010820 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010821 /* HW reset */
10822 bnx2x_ext_phy_hw_reset(bp, params->port);
Yaniv Rosner6d870c32011-01-31 04:22:20 +000010823 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010824
10825 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +000010826 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010827 DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
10828 bnx2x_cl45_write(bp, phy,
10829 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
10830
10831 bnx2x_ext_phy_set_pause(params, phy, vars);
10832 /* Restart autoneg */
10833 bnx2x_cl45_read(bp, phy,
10834 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
10835 val |= 0x200;
10836 bnx2x_cl45_write(bp, phy,
10837 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
10838
10839 /* Save spirom version */
10840 bnx2x_cl45_read(bp, phy,
10841 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
10842
10843 bnx2x_cl45_read(bp, phy,
10844 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
10845 bnx2x_save_spirom_version(bp, params->port,
10846 (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
10847 return 0;
10848}
10849
10850static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
10851 struct link_params *params,
10852 struct link_vars *vars)
10853{
10854 struct bnx2x *bp = params->bp;
10855 u8 link_up;
10856 u16 val1, val2;
10857 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +000010858 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010859 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +000010860 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010861 DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
10862 val2, val1);
10863 bnx2x_cl45_read(bp, phy,
10864 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
10865 bnx2x_cl45_read(bp, phy,
10866 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
10867 DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
10868 val2, val1);
10869 link_up = ((val1 & 4) == 4);
Yuval Mintzd2310232012-06-20 19:05:19 +000010870 /* If link is up print the AN outcome of the SFX7101 PHY */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010871 if (link_up) {
10872 bnx2x_cl45_read(bp, phy,
10873 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
10874 &val2);
10875 vars->line_speed = SPEED_10000;
Yaniv Rosner791f18c2011-01-18 04:33:42 +000010876 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010877 DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
10878 val2, (val2 & (1<<14)));
10879 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
10880 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Mintz Yuval9e7e8392012-02-15 02:10:24 +000010881
Yuval Mintzd2310232012-06-20 19:05:19 +000010882 /* Read LP advertised speeds */
Mintz Yuval9e7e8392012-02-15 02:10:24 +000010883 if (val2 & (1<<11))
10884 vars->link_status |=
10885 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010886 }
10887 return link_up;
10888}
10889
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010890static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010891{
10892 if (*len < 5)
10893 return -EINVAL;
10894 str[0] = (spirom_ver & 0xFF);
10895 str[1] = (spirom_ver & 0xFF00) >> 8;
10896 str[2] = (spirom_ver & 0xFF0000) >> 16;
10897 str[3] = (spirom_ver & 0xFF000000) >> 24;
10898 str[4] = '\0';
10899 *len -= 5;
10900 return 0;
10901}
10902
10903void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
10904{
10905 u16 val, cnt;
10906
10907 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010908 MDIO_PMA_DEVAD,
10909 MDIO_PMA_REG_7101_RESET, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010910
10911 for (cnt = 0; cnt < 10; cnt++) {
10912 msleep(50);
10913 /* Writes a self-clearing reset */
10914 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010915 MDIO_PMA_DEVAD,
10916 MDIO_PMA_REG_7101_RESET,
10917 (val | (1<<15)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010918 /* Wait for clear */
10919 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010920 MDIO_PMA_DEVAD,
10921 MDIO_PMA_REG_7101_RESET, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010922
10923 if ((val & (1<<15)) == 0)
10924 break;
10925 }
10926}
10927
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010928static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
10929 struct link_params *params) {
10930 /* Low power mode is controlled by GPIO 2 */
10931 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010932 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010933 /* The PHY reset is controlled by GPIO 1 */
10934 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010935 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010936}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010937
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010938static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
10939 struct link_params *params, u8 mode)
10940{
10941 u16 val = 0;
10942 struct bnx2x *bp = params->bp;
10943 switch (mode) {
10944 case LED_MODE_FRONT_PANEL_OFF:
10945 case LED_MODE_OFF:
10946 val = 2;
10947 break;
10948 case LED_MODE_ON:
10949 val = 1;
10950 break;
10951 case LED_MODE_OPER:
10952 val = 0;
10953 break;
10954 }
10955 bnx2x_cl45_write(bp, phy,
10956 MDIO_PMA_DEVAD,
10957 MDIO_PMA_REG_7107_LINK_LED_CNTL,
10958 val);
10959}
10960
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010961/******************************************************************/
10962/* STATIC PHY DECLARATION */
10963/******************************************************************/
10964
10965static struct bnx2x_phy phy_null = {
10966 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
10967 .addr = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010968 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010969 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010970 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10971 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10972 .mdio_ctrl = 0,
10973 .supported = 0,
10974 .media_type = ETH_PHY_NOT_PRESENT,
10975 .ver_addr = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010976 .req_flow_ctrl = 0,
10977 .req_line_speed = 0,
10978 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010979 .req_duplex = 0,
10980 .rsrv = 0,
10981 .config_init = (config_init_t)NULL,
10982 .read_status = (read_status_t)NULL,
10983 .link_reset = (link_reset_t)NULL,
10984 .config_loopback = (config_loopback_t)NULL,
10985 .format_fw_ver = (format_fw_ver_t)NULL,
10986 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010987 .set_link_led = (set_link_led_t)NULL,
10988 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010989};
10990
10991static struct bnx2x_phy phy_serdes = {
10992 .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
10993 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010994 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010995 .flags = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010996 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10997 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10998 .mdio_ctrl = 0,
10999 .supported = (SUPPORTED_10baseT_Half |
11000 SUPPORTED_10baseT_Full |
11001 SUPPORTED_100baseT_Half |
11002 SUPPORTED_100baseT_Full |
11003 SUPPORTED_1000baseT_Full |
11004 SUPPORTED_2500baseX_Full |
11005 SUPPORTED_TP |
11006 SUPPORTED_Autoneg |
11007 SUPPORTED_Pause |
11008 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011009 .media_type = ETH_PHY_BASE_T,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011010 .ver_addr = 0,
11011 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011012 .req_line_speed = 0,
11013 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011014 .req_duplex = 0,
11015 .rsrv = 0,
Yaniv Rosnerec146a62011-05-31 21:29:27 +000011016 .config_init = (config_init_t)bnx2x_xgxs_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011017 .read_status = (read_status_t)bnx2x_link_settings_status,
11018 .link_reset = (link_reset_t)bnx2x_int_link_reset,
11019 .config_loopback = (config_loopback_t)NULL,
11020 .format_fw_ver = (format_fw_ver_t)NULL,
11021 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011022 .set_link_led = (set_link_led_t)NULL,
11023 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011024};
11025
11026static struct bnx2x_phy phy_xgxs = {
11027 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11028 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011029 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011030 .flags = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011031 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11032 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11033 .mdio_ctrl = 0,
11034 .supported = (SUPPORTED_10baseT_Half |
11035 SUPPORTED_10baseT_Full |
11036 SUPPORTED_100baseT_Half |
11037 SUPPORTED_100baseT_Full |
11038 SUPPORTED_1000baseT_Full |
11039 SUPPORTED_2500baseX_Full |
11040 SUPPORTED_10000baseT_Full |
11041 SUPPORTED_FIBRE |
11042 SUPPORTED_Autoneg |
11043 SUPPORTED_Pause |
11044 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011045 .media_type = ETH_PHY_CX4,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011046 .ver_addr = 0,
11047 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011048 .req_line_speed = 0,
11049 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011050 .req_duplex = 0,
11051 .rsrv = 0,
Yaniv Rosnerec146a62011-05-31 21:29:27 +000011052 .config_init = (config_init_t)bnx2x_xgxs_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011053 .read_status = (read_status_t)bnx2x_link_settings_status,
11054 .link_reset = (link_reset_t)bnx2x_int_link_reset,
11055 .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
11056 .format_fw_ver = (format_fw_ver_t)NULL,
11057 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011058 .set_link_led = (set_link_led_t)NULL,
Yaniv Rosnera75bb002012-10-31 05:46:53 +000011059 .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011060};
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011061static struct bnx2x_phy phy_warpcore = {
11062 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11063 .addr = 0xff,
11064 .def_md_devad = 0,
Yaniv Rosner55098c52012-04-03 18:41:27 +000011065 .flags = (FLAGS_HW_LOCK_REQUIRED |
11066 FLAGS_TX_ERROR_CHECK),
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011067 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11068 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11069 .mdio_ctrl = 0,
11070 .supported = (SUPPORTED_10baseT_Half |
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011071 SUPPORTED_10baseT_Full |
11072 SUPPORTED_100baseT_Half |
11073 SUPPORTED_100baseT_Full |
11074 SUPPORTED_1000baseT_Full |
11075 SUPPORTED_10000baseT_Full |
11076 SUPPORTED_20000baseKR2_Full |
11077 SUPPORTED_20000baseMLD2_Full |
11078 SUPPORTED_FIBRE |
11079 SUPPORTED_Autoneg |
11080 SUPPORTED_Pause |
11081 SUPPORTED_Asym_Pause),
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011082 .media_type = ETH_PHY_UNSPECIFIED,
11083 .ver_addr = 0,
11084 .req_flow_ctrl = 0,
11085 .req_line_speed = 0,
11086 .speed_cap_mask = 0,
11087 /* req_duplex = */0,
11088 /* rsrv = */0,
11089 .config_init = (config_init_t)bnx2x_warpcore_config_init,
11090 .read_status = (read_status_t)bnx2x_warpcore_read_status,
11091 .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
11092 .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
11093 .format_fw_ver = (format_fw_ver_t)NULL,
Yaniv Rosner985848f2011-07-05 01:06:48 +000011094 .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011095 .set_link_led = (set_link_led_t)NULL,
11096 .phy_specific_func = (phy_specific_func_t)NULL
11097};
11098
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011099
11100static struct bnx2x_phy phy_7101 = {
11101 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
11102 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011103 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011104 .flags = FLAGS_FAN_FAILURE_DET_REQ,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011105 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11106 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11107 .mdio_ctrl = 0,
11108 .supported = (SUPPORTED_10000baseT_Full |
11109 SUPPORTED_TP |
11110 SUPPORTED_Autoneg |
11111 SUPPORTED_Pause |
11112 SUPPORTED_Asym_Pause),
11113 .media_type = ETH_PHY_BASE_T,
11114 .ver_addr = 0,
11115 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011116 .req_line_speed = 0,
11117 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011118 .req_duplex = 0,
11119 .rsrv = 0,
11120 .config_init = (config_init_t)bnx2x_7101_config_init,
11121 .read_status = (read_status_t)bnx2x_7101_read_status,
11122 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11123 .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
11124 .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
11125 .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011126 .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011127 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011128};
11129static struct bnx2x_phy phy_8073 = {
11130 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
11131 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011132 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011133 .flags = FLAGS_HW_LOCK_REQUIRED,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011134 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11135 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11136 .mdio_ctrl = 0,
11137 .supported = (SUPPORTED_10000baseT_Full |
11138 SUPPORTED_2500baseX_Full |
11139 SUPPORTED_1000baseT_Full |
11140 SUPPORTED_FIBRE |
11141 SUPPORTED_Autoneg |
11142 SUPPORTED_Pause |
11143 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011144 .media_type = ETH_PHY_KR,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011145 .ver_addr = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011146 .req_flow_ctrl = 0,
11147 .req_line_speed = 0,
11148 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011149 .req_duplex = 0,
11150 .rsrv = 0,
Yaniv Rosner62b29a52010-09-07 11:40:58 +000011151 .config_init = (config_init_t)bnx2x_8073_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011152 .read_status = (read_status_t)bnx2x_8073_read_status,
11153 .link_reset = (link_reset_t)bnx2x_8073_link_reset,
11154 .config_loopback = (config_loopback_t)NULL,
11155 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11156 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011157 .set_link_led = (set_link_led_t)NULL,
Yaniv Rosner5c107fd2012-09-13 02:56:19 +000011158 .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011159};
11160static struct bnx2x_phy phy_8705 = {
11161 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
11162 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011163 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011164 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011165 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11166 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11167 .mdio_ctrl = 0,
11168 .supported = (SUPPORTED_10000baseT_Full |
11169 SUPPORTED_FIBRE |
11170 SUPPORTED_Pause |
11171 SUPPORTED_Asym_Pause),
11172 .media_type = ETH_PHY_XFP_FIBER,
11173 .ver_addr = 0,
11174 .req_flow_ctrl = 0,
11175 .req_line_speed = 0,
11176 .speed_cap_mask = 0,
11177 .req_duplex = 0,
11178 .rsrv = 0,
11179 .config_init = (config_init_t)bnx2x_8705_config_init,
11180 .read_status = (read_status_t)bnx2x_8705_read_status,
11181 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11182 .config_loopback = (config_loopback_t)NULL,
11183 .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
11184 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011185 .set_link_led = (set_link_led_t)NULL,
11186 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011187};
11188static struct bnx2x_phy phy_8706 = {
11189 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
11190 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011191 .def_md_devad = 0,
David S. Miller8decf862011-09-22 03:23:13 -040011192 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011193 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11194 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11195 .mdio_ctrl = 0,
11196 .supported = (SUPPORTED_10000baseT_Full |
11197 SUPPORTED_1000baseT_Full |
11198 SUPPORTED_FIBRE |
11199 SUPPORTED_Pause |
11200 SUPPORTED_Asym_Pause),
Yuval Mintzdbef8072012-06-20 19:05:22 +000011201 .media_type = ETH_PHY_SFPP_10G_FIBER,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011202 .ver_addr = 0,
11203 .req_flow_ctrl = 0,
11204 .req_line_speed = 0,
11205 .speed_cap_mask = 0,
11206 .req_duplex = 0,
11207 .rsrv = 0,
11208 .config_init = (config_init_t)bnx2x_8706_config_init,
11209 .read_status = (read_status_t)bnx2x_8706_read_status,
11210 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11211 .config_loopback = (config_loopback_t)NULL,
11212 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11213 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011214 .set_link_led = (set_link_led_t)NULL,
11215 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011216};
11217
11218static struct bnx2x_phy phy_8726 = {
11219 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
11220 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011221 .def_md_devad = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011222 .flags = (FLAGS_HW_LOCK_REQUIRED |
Yaniv Rosner55098c52012-04-03 18:41:27 +000011223 FLAGS_INIT_XGXS_FIRST |
11224 FLAGS_TX_ERROR_CHECK),
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011225 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11226 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11227 .mdio_ctrl = 0,
11228 .supported = (SUPPORTED_10000baseT_Full |
11229 SUPPORTED_1000baseT_Full |
11230 SUPPORTED_Autoneg |
11231 SUPPORTED_FIBRE |
11232 SUPPORTED_Pause |
11233 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011234 .media_type = ETH_PHY_NOT_PRESENT,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011235 .ver_addr = 0,
11236 .req_flow_ctrl = 0,
11237 .req_line_speed = 0,
11238 .speed_cap_mask = 0,
11239 .req_duplex = 0,
11240 .rsrv = 0,
11241 .config_init = (config_init_t)bnx2x_8726_config_init,
11242 .read_status = (read_status_t)bnx2x_8726_read_status,
11243 .link_reset = (link_reset_t)bnx2x_8726_link_reset,
11244 .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
11245 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11246 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011247 .set_link_led = (set_link_led_t)NULL,
11248 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011249};
11250
11251static struct bnx2x_phy phy_8727 = {
11252 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
11253 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011254 .def_md_devad = 0,
Yaniv Rosner55098c52012-04-03 18:41:27 +000011255 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11256 FLAGS_TX_ERROR_CHECK),
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011257 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11258 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11259 .mdio_ctrl = 0,
11260 .supported = (SUPPORTED_10000baseT_Full |
11261 SUPPORTED_1000baseT_Full |
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011262 SUPPORTED_FIBRE |
11263 SUPPORTED_Pause |
11264 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011265 .media_type = ETH_PHY_NOT_PRESENT,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011266 .ver_addr = 0,
11267 .req_flow_ctrl = 0,
11268 .req_line_speed = 0,
11269 .speed_cap_mask = 0,
11270 .req_duplex = 0,
11271 .rsrv = 0,
11272 .config_init = (config_init_t)bnx2x_8727_config_init,
11273 .read_status = (read_status_t)bnx2x_8727_read_status,
11274 .link_reset = (link_reset_t)bnx2x_8727_link_reset,
11275 .config_loopback = (config_loopback_t)NULL,
11276 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11277 .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011278 .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011279 .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011280};
11281static struct bnx2x_phy phy_8481 = {
11282 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
11283 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011284 .def_md_devad = 0,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011285 .flags = FLAGS_FAN_FAILURE_DET_REQ |
11286 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011287 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11288 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11289 .mdio_ctrl = 0,
11290 .supported = (SUPPORTED_10baseT_Half |
11291 SUPPORTED_10baseT_Full |
11292 SUPPORTED_100baseT_Half |
11293 SUPPORTED_100baseT_Full |
11294 SUPPORTED_1000baseT_Full |
11295 SUPPORTED_10000baseT_Full |
11296 SUPPORTED_TP |
11297 SUPPORTED_Autoneg |
11298 SUPPORTED_Pause |
11299 SUPPORTED_Asym_Pause),
11300 .media_type = ETH_PHY_BASE_T,
11301 .ver_addr = 0,
11302 .req_flow_ctrl = 0,
11303 .req_line_speed = 0,
11304 .speed_cap_mask = 0,
11305 .req_duplex = 0,
11306 .rsrv = 0,
11307 .config_init = (config_init_t)bnx2x_8481_config_init,
11308 .read_status = (read_status_t)bnx2x_848xx_read_status,
11309 .link_reset = (link_reset_t)bnx2x_8481_link_reset,
11310 .config_loopback = (config_loopback_t)NULL,
11311 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11312 .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011313 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011314 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011315};
11316
11317static struct bnx2x_phy phy_84823 = {
11318 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
11319 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011320 .def_md_devad = 0,
Yaniv Rosner55098c52012-04-03 18:41:27 +000011321 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11322 FLAGS_REARM_LATCH_SIGNAL |
11323 FLAGS_TX_ERROR_CHECK),
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011324 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11325 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11326 .mdio_ctrl = 0,
11327 .supported = (SUPPORTED_10baseT_Half |
11328 SUPPORTED_10baseT_Full |
11329 SUPPORTED_100baseT_Half |
11330 SUPPORTED_100baseT_Full |
11331 SUPPORTED_1000baseT_Full |
11332 SUPPORTED_10000baseT_Full |
11333 SUPPORTED_TP |
11334 SUPPORTED_Autoneg |
11335 SUPPORTED_Pause |
11336 SUPPORTED_Asym_Pause),
11337 .media_type = ETH_PHY_BASE_T,
11338 .ver_addr = 0,
11339 .req_flow_ctrl = 0,
11340 .req_line_speed = 0,
11341 .speed_cap_mask = 0,
11342 .req_duplex = 0,
11343 .rsrv = 0,
11344 .config_init = (config_init_t)bnx2x_848x3_config_init,
11345 .read_status = (read_status_t)bnx2x_848xx_read_status,
11346 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11347 .config_loopback = (config_loopback_t)NULL,
11348 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11349 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011350 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosner5c107fd2012-09-13 02:56:19 +000011351 .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011352};
11353
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011354static struct bnx2x_phy phy_84833 = {
11355 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
11356 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011357 .def_md_devad = 0,
Yaniv Rosner55098c52012-04-03 18:41:27 +000011358 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11359 FLAGS_REARM_LATCH_SIGNAL |
Yuval Mintzf6b6eb62012-09-10 05:51:07 +000011360 FLAGS_TX_ERROR_CHECK),
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011361 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11362 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11363 .mdio_ctrl = 0,
Yaniv Rosner0520e632011-07-05 01:06:59 +000011364 .supported = (SUPPORTED_100baseT_Half |
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011365 SUPPORTED_100baseT_Full |
11366 SUPPORTED_1000baseT_Full |
11367 SUPPORTED_10000baseT_Full |
11368 SUPPORTED_TP |
11369 SUPPORTED_Autoneg |
11370 SUPPORTED_Pause |
11371 SUPPORTED_Asym_Pause),
11372 .media_type = ETH_PHY_BASE_T,
11373 .ver_addr = 0,
11374 .req_flow_ctrl = 0,
11375 .req_line_speed = 0,
11376 .speed_cap_mask = 0,
11377 .req_duplex = 0,
11378 .rsrv = 0,
11379 .config_init = (config_init_t)bnx2x_848x3_config_init,
11380 .read_status = (read_status_t)bnx2x_848xx_read_status,
11381 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11382 .config_loopback = (config_loopback_t)NULL,
11383 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
Yaniv Rosner985848f2011-07-05 01:06:48 +000011384 .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011385 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosner5c107fd2012-09-13 02:56:19 +000011386 .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011387};
11388
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000011389static struct bnx2x_phy phy_54618se = {
11390 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
Yaniv Rosner6583e332011-06-14 01:34:17 +000011391 .addr = 0xff,
11392 .def_md_devad = 0,
11393 .flags = FLAGS_INIT_XGXS_FIRST,
11394 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11395 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11396 .mdio_ctrl = 0,
11397 .supported = (SUPPORTED_10baseT_Half |
11398 SUPPORTED_10baseT_Full |
11399 SUPPORTED_100baseT_Half |
11400 SUPPORTED_100baseT_Full |
11401 SUPPORTED_1000baseT_Full |
11402 SUPPORTED_TP |
11403 SUPPORTED_Autoneg |
11404 SUPPORTED_Pause |
11405 SUPPORTED_Asym_Pause),
11406 .media_type = ETH_PHY_BASE_T,
11407 .ver_addr = 0,
11408 .req_flow_ctrl = 0,
11409 .req_line_speed = 0,
11410 .speed_cap_mask = 0,
11411 /* req_duplex = */0,
11412 /* rsrv = */0,
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000011413 .config_init = (config_init_t)bnx2x_54618se_config_init,
11414 .read_status = (read_status_t)bnx2x_54618se_read_status,
11415 .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
11416 .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
Yaniv Rosner6583e332011-06-14 01:34:17 +000011417 .format_fw_ver = (format_fw_ver_t)NULL,
11418 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosner1d125bd2011-11-23 03:54:08 +000011419 .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
Yaniv Rosner5c107fd2012-09-13 02:56:19 +000011420 .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
Yaniv Rosner6583e332011-06-14 01:34:17 +000011421};
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011422/*****************************************************************/
11423/* */
11424/* Populate the phy according. Main function: bnx2x_populate_phy */
11425/* */
11426/*****************************************************************/
11427
11428static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
11429 struct bnx2x_phy *phy, u8 port,
11430 u8 phy_index)
11431{
11432 /* Get the 4 lanes xgxs config rx and tx */
11433 u32 rx = 0, tx = 0, i;
11434 for (i = 0; i < 2; i++) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011435 /* INT_PHY and EXT_PHY1 share the same value location in
11436 * the shmem. When num_phys is greater than 1, than this value
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011437 * applies only to EXT_PHY1
11438 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011439 if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
11440 rx = REG_RD(bp, shmem_base +
11441 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011442 dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011443
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011444 tx = REG_RD(bp, shmem_base +
11445 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011446 dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011447 } else {
11448 rx = REG_RD(bp, shmem_base +
11449 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011450 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011451
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011452 tx = REG_RD(bp, shmem_base +
11453 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011454 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011455 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011456
11457 phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
11458 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
11459
11460 phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
11461 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
11462 }
11463}
11464
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011465static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
11466 u8 phy_index, u8 port)
11467{
11468 u32 ext_phy_config = 0;
11469 switch (phy_index) {
11470 case EXT_PHY1:
11471 ext_phy_config = REG_RD(bp, shmem_base +
11472 offsetof(struct shmem_region,
11473 dev_info.port_hw_config[port].external_phy_config));
11474 break;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011475 case EXT_PHY2:
11476 ext_phy_config = REG_RD(bp, shmem_base +
11477 offsetof(struct shmem_region,
11478 dev_info.port_hw_config[port].external_phy_config2));
11479 break;
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011480 default:
11481 DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
11482 return -EINVAL;
11483 }
11484
11485 return ext_phy_config;
11486}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011487static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
11488 struct bnx2x_phy *phy)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011489{
11490 u32 phy_addr;
11491 u32 chip_id;
11492 u32 switch_cfg = (REG_RD(bp, shmem_base +
11493 offsetof(struct shmem_region,
11494 dev_info.port_feature_config[port].link_config)) &
11495 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerec15b892011-11-28 00:49:49 +000011496 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
11497 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
11498
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011499 DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
11500 if (USES_WARPCORE(bp)) {
11501 u32 serdes_net_if;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011502 phy_addr = REG_RD(bp,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011503 MISC_REG_WC0_CTRL_PHY_ADDR);
11504 *phy = phy_warpcore;
11505 if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
11506 phy->flags |= FLAGS_4_PORT_MODE;
11507 else
11508 phy->flags &= ~FLAGS_4_PORT_MODE;
11509 /* Check Dual mode */
11510 serdes_net_if = (REG_RD(bp, shmem_base +
11511 offsetof(struct shmem_region, dev_info.
11512 port_hw_config[port].default_cfg)) &
11513 PORT_HW_CFG_NET_SERDES_IF_MASK);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011514 /* Set the appropriate supported and flags indications per
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011515 * interface type of the chip
11516 */
11517 switch (serdes_net_if) {
11518 case PORT_HW_CFG_NET_SERDES_IF_SGMII:
11519 phy->supported &= (SUPPORTED_10baseT_Half |
11520 SUPPORTED_10baseT_Full |
11521 SUPPORTED_100baseT_Half |
11522 SUPPORTED_100baseT_Full |
11523 SUPPORTED_1000baseT_Full |
11524 SUPPORTED_FIBRE |
11525 SUPPORTED_Autoneg |
11526 SUPPORTED_Pause |
11527 SUPPORTED_Asym_Pause);
11528 phy->media_type = ETH_PHY_BASE_T;
11529 break;
11530 case PORT_HW_CFG_NET_SERDES_IF_XFI:
Yaniv Rosner03c31482012-10-31 05:46:57 +000011531 phy->supported &= (SUPPORTED_1000baseT_Full |
11532 SUPPORTED_10000baseT_Full |
11533 SUPPORTED_FIBRE |
11534 SUPPORTED_Pause |
11535 SUPPORTED_Asym_Pause);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011536 phy->media_type = ETH_PHY_XFP_FIBER;
11537 break;
11538 case PORT_HW_CFG_NET_SERDES_IF_SFI:
11539 phy->supported &= (SUPPORTED_1000baseT_Full |
11540 SUPPORTED_10000baseT_Full |
11541 SUPPORTED_FIBRE |
11542 SUPPORTED_Pause |
11543 SUPPORTED_Asym_Pause);
Yuval Mintzdbef8072012-06-20 19:05:22 +000011544 phy->media_type = ETH_PHY_SFPP_10G_FIBER;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011545 break;
11546 case PORT_HW_CFG_NET_SERDES_IF_KR:
11547 phy->media_type = ETH_PHY_KR;
11548 phy->supported &= (SUPPORTED_1000baseT_Full |
11549 SUPPORTED_10000baseT_Full |
11550 SUPPORTED_FIBRE |
11551 SUPPORTED_Autoneg |
11552 SUPPORTED_Pause |
11553 SUPPORTED_Asym_Pause);
11554 break;
11555 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
11556 phy->media_type = ETH_PHY_KR;
11557 phy->flags |= FLAGS_WC_DUAL_MODE;
11558 phy->supported &= (SUPPORTED_20000baseMLD2_Full |
11559 SUPPORTED_FIBRE |
11560 SUPPORTED_Pause |
11561 SUPPORTED_Asym_Pause);
11562 break;
11563 case PORT_HW_CFG_NET_SERDES_IF_KR2:
11564 phy->media_type = ETH_PHY_KR;
11565 phy->flags |= FLAGS_WC_DUAL_MODE;
11566 phy->supported &= (SUPPORTED_20000baseKR2_Full |
11567 SUPPORTED_FIBRE |
11568 SUPPORTED_Pause |
11569 SUPPORTED_Asym_Pause);
11570 break;
11571 default:
11572 DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
11573 serdes_net_if);
11574 break;
11575 }
11576
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011577 /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011578 * was not set as expected. For B0, ECO will be enabled so there
11579 * won't be an issue there
11580 */
11581 if (CHIP_REV(bp) == CHIP_REV_Ax)
11582 phy->flags |= FLAGS_MDC_MDIO_WA;
Yaniv Rosner157fa282011-08-02 22:59:32 +000011583 else
11584 phy->flags |= FLAGS_MDC_MDIO_WA_B0;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011585 } else {
11586 switch (switch_cfg) {
11587 case SWITCH_CFG_1G:
11588 phy_addr = REG_RD(bp,
11589 NIG_REG_SERDES0_CTRL_PHY_ADDR +
11590 port * 0x10);
11591 *phy = phy_serdes;
11592 break;
11593 case SWITCH_CFG_10G:
11594 phy_addr = REG_RD(bp,
11595 NIG_REG_XGXS0_CTRL_PHY_ADDR +
11596 port * 0x18);
11597 *phy = phy_xgxs;
11598 break;
11599 default:
11600 DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
11601 return -EINVAL;
11602 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011603 }
11604 phy->addr = (u8)phy_addr;
11605 phy->mdio_ctrl = bnx2x_get_emac_base(bp,
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011606 SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011607 port);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011608 if (CHIP_IS_E2(bp))
11609 phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
11610 else
11611 phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011612
11613 DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
11614 port, phy->addr, phy->mdio_ctrl);
11615
11616 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
11617 return 0;
11618}
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011619
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011620static int bnx2x_populate_ext_phy(struct bnx2x *bp,
11621 u8 phy_index,
11622 u32 shmem_base,
11623 u32 shmem2_base,
11624 u8 port,
11625 struct bnx2x_phy *phy)
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011626{
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011627 u32 ext_phy_config, phy_type, config2;
11628 u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011629 ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
11630 phy_index, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011631 phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
11632 /* Select the phy type */
11633 switch (phy_type) {
11634 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011635 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011636 *phy = phy_8073;
11637 break;
11638 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
11639 *phy = phy_8705;
11640 break;
11641 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
11642 *phy = phy_8706;
11643 break;
11644 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011645 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011646 *phy = phy_8726;
11647 break;
11648 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
11649 /* BCM8727_NOC => BCM8727 no over current */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011650 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011651 *phy = phy_8727;
11652 phy->flags |= FLAGS_NOC;
11653 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +000011654 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011655 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011656 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011657 *phy = phy_8727;
11658 break;
11659 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
11660 *phy = phy_8481;
11661 break;
11662 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
11663 *phy = phy_84823;
11664 break;
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011665 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
11666 *phy = phy_84833;
11667 break;
Yaniv Rosner3756a892011-08-23 06:33:24 +000011668 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000011669 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
11670 *phy = phy_54618se;
Yuval Mintz26964bb2012-09-10 05:51:08 +000011671 if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
11672 phy->flags |= FLAGS_EEE;
Yaniv Rosner6583e332011-06-14 01:34:17 +000011673 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011674 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
11675 *phy = phy_7101;
11676 break;
11677 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
11678 *phy = phy_null;
11679 return -EINVAL;
11680 default:
11681 *phy = phy_null;
Yaniv Rosner6db51932011-11-28 00:49:50 +000011682 /* In case external PHY wasn't found */
11683 if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
11684 (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
11685 return -EINVAL;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011686 return 0;
11687 }
11688
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011689 phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011690 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
Yaniv Rosner62b29a52010-09-07 11:40:58 +000011691
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011692 /* The shmem address of the phy version is located on different
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000011693 * structures. In case this structure is too old, do not set
11694 * the address
11695 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011696 config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
11697 dev_info.shared_hw_config.config2));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011698 if (phy_index == EXT_PHY1) {
11699 phy->ver_addr = shmem_base + offsetof(struct shmem_region,
11700 port_mb[port].ext_phy_fw_version);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011701
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011702 /* Check specific mdc mdio settings */
11703 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
11704 mdc_mdio_access = config2 &
11705 SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011706 } else {
11707 u32 size = REG_RD(bp, shmem2_base);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011708
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011709 if (size >
11710 offsetof(struct shmem2_region, ext_phy_fw_version2)) {
11711 phy->ver_addr = shmem2_base +
11712 offsetof(struct shmem2_region,
11713 ext_phy_fw_version2[port]);
11714 }
11715 /* Check specific mdc mdio settings */
11716 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
11717 mdc_mdio_access = (config2 &
11718 SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
11719 (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
11720 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
11721 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011722 phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
11723
Yaniv Rosner75318322012-01-17 02:33:27 +000011724 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
11725 (phy->ver_addr)) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011726 /* Remove 100Mb link supported for BCM84833 when phy fw
Yaniv Rosner75318322012-01-17 02:33:27 +000011727 * version lower than or equal to 1.39
11728 */
11729 u32 raw_ver = REG_RD(bp, phy->ver_addr);
11730 if (((raw_ver & 0x7F) <= 39) &&
11731 (((raw_ver & 0xF80) >> 7) <= 1))
11732 phy->supported &= ~(SUPPORTED_100baseT_Half |
11733 SUPPORTED_100baseT_Full);
11734 }
11735
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011736 /* In case mdc/mdio_access of the external phy is different than the
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011737 * mdc/mdio access of the XGXS, a HW lock must be taken in each access
11738 * to prevent one port interfere with another port's CL45 operations.
11739 */
11740 if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
11741 phy->flags |= FLAGS_HW_LOCK_REQUIRED;
11742 DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
11743 phy_type, port, phy_index);
11744 DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
11745 phy->addr, phy->mdio_ctrl);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011746 return 0;
11747}
11748
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011749static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
11750 u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011751{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011752 int status = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011753 phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
11754 if (phy_index == INT_PHY)
11755 return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011756 status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011757 port, phy);
11758 return status;
11759}
11760
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011761static void bnx2x_phy_def_cfg(struct link_params *params,
11762 struct bnx2x_phy *phy,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011763 u8 phy_index)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011764{
11765 struct bnx2x *bp = params->bp;
11766 u32 link_config;
11767 /* Populate the default phy configuration for MF mode */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011768 if (phy_index == EXT_PHY2) {
11769 link_config = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011770 offsetof(struct shmem_region, dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011771 port_feature_config[params->port].link_config2));
11772 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011773 offsetof(struct shmem_region,
11774 dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011775 port_hw_config[params->port].speed_capability_mask2));
11776 } else {
11777 link_config = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011778 offsetof(struct shmem_region, dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011779 port_feature_config[params->port].link_config));
11780 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011781 offsetof(struct shmem_region,
11782 dev_info.
11783 port_hw_config[params->port].speed_capability_mask));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011784 }
Joe Perches94f05b02011-08-14 12:16:20 +000011785 DP(NETIF_MSG_LINK,
11786 "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
11787 phy_index, link_config, phy->speed_cap_mask);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011788
11789 phy->req_duplex = DUPLEX_FULL;
11790 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
11791 case PORT_FEATURE_LINK_SPEED_10M_HALF:
11792 phy->req_duplex = DUPLEX_HALF;
11793 case PORT_FEATURE_LINK_SPEED_10M_FULL:
11794 phy->req_line_speed = SPEED_10;
11795 break;
11796 case PORT_FEATURE_LINK_SPEED_100M_HALF:
11797 phy->req_duplex = DUPLEX_HALF;
11798 case PORT_FEATURE_LINK_SPEED_100M_FULL:
11799 phy->req_line_speed = SPEED_100;
11800 break;
11801 case PORT_FEATURE_LINK_SPEED_1G:
11802 phy->req_line_speed = SPEED_1000;
11803 break;
11804 case PORT_FEATURE_LINK_SPEED_2_5G:
11805 phy->req_line_speed = SPEED_2500;
11806 break;
11807 case PORT_FEATURE_LINK_SPEED_10G_CX4:
11808 phy->req_line_speed = SPEED_10000;
11809 break;
11810 default:
11811 phy->req_line_speed = SPEED_AUTO_NEG;
11812 break;
11813 }
11814
11815 switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
11816 case PORT_FEATURE_FLOW_CONTROL_AUTO:
11817 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
11818 break;
11819 case PORT_FEATURE_FLOW_CONTROL_TX:
11820 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
11821 break;
11822 case PORT_FEATURE_FLOW_CONTROL_RX:
11823 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
11824 break;
11825 case PORT_FEATURE_FLOW_CONTROL_BOTH:
11826 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
11827 break;
11828 default:
11829 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11830 break;
11831 }
11832}
11833
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011834u32 bnx2x_phy_selection(struct link_params *params)
11835{
11836 u32 phy_config_swapped, prio_cfg;
11837 u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
11838
11839 phy_config_swapped = params->multi_phy_config &
11840 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
11841
11842 prio_cfg = params->multi_phy_config &
11843 PORT_HW_CFG_PHY_SELECTION_MASK;
11844
11845 if (phy_config_swapped) {
11846 switch (prio_cfg) {
11847 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
11848 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
11849 break;
11850 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
11851 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
11852 break;
11853 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
11854 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
11855 break;
11856 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
11857 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
11858 break;
11859 }
11860 } else
11861 return_cfg = prio_cfg;
11862
11863 return return_cfg;
11864}
11865
11866
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011867int bnx2x_phy_probe(struct link_params *params)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011868{
Yaniv Rosner2f751a82011-11-28 00:49:52 +000011869 u8 phy_index, actual_phy_idx;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011870 u32 phy_config_swapped, sync_offset, media_types;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011871 struct bnx2x *bp = params->bp;
11872 struct bnx2x_phy *phy;
11873 params->num_phys = 0;
11874 DP(NETIF_MSG_LINK, "Begin phy probe\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011875 phy_config_swapped = params->multi_phy_config &
11876 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011877
11878 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
11879 phy_index++) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011880 actual_phy_idx = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011881 if (phy_config_swapped) {
11882 if (phy_index == EXT_PHY1)
11883 actual_phy_idx = EXT_PHY2;
11884 else if (phy_index == EXT_PHY2)
11885 actual_phy_idx = EXT_PHY1;
11886 }
11887 DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
11888 " actual_phy_idx %x\n", phy_config_swapped,
11889 phy_index, actual_phy_idx);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011890 phy = &params->phy[actual_phy_idx];
11891 if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011892 params->shmem2_base, params->port,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011893 phy) != 0) {
11894 params->num_phys = 0;
11895 DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
11896 phy_index);
11897 for (phy_index = INT_PHY;
11898 phy_index < MAX_PHYS;
11899 phy_index++)
11900 *phy = phy_null;
11901 return -EINVAL;
11902 }
11903 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
11904 break;
11905
Yaniv Rosner55098c52012-04-03 18:41:27 +000011906 if (params->feature_config_flags &
11907 FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
11908 phy->flags &= ~FLAGS_TX_ERROR_CHECK;
11909
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011910 sync_offset = params->shmem_base +
11911 offsetof(struct shmem_region,
11912 dev_info.port_hw_config[params->port].media_type);
11913 media_types = REG_RD(bp, sync_offset);
11914
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011915 /* Update media type for non-PMF sync only for the first time
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011916 * In case the media type changes afterwards, it will be updated
11917 * using the update_status function
11918 */
11919 if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
11920 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
11921 actual_phy_idx))) == 0) {
11922 media_types |= ((phy->media_type &
11923 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
11924 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
11925 actual_phy_idx));
11926 }
11927 REG_WR(bp, sync_offset, media_types);
11928
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011929 bnx2x_phy_def_cfg(params, phy, phy_index);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011930 params->num_phys++;
11931 }
11932
11933 DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
11934 return 0;
11935}
11936
Merav Sicron910cc722012-11-11 03:56:08 +000011937static void bnx2x_init_bmac_loopback(struct link_params *params,
11938 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011939{
11940 struct bnx2x *bp = params->bp;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011941 vars->link_up = 1;
11942 vars->line_speed = SPEED_10000;
11943 vars->duplex = DUPLEX_FULL;
11944 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11945 vars->mac_type = MAC_TYPE_BMAC;
11946
11947 vars->phy_flags = PHY_XGXS_FLAG;
11948
11949 bnx2x_xgxs_deassert(params);
11950
11951 /* set bmac loopback */
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000011952 bnx2x_bmac_enable(params, vars, 1, 1);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011953
11954 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11955}
11956
Merav Sicron910cc722012-11-11 03:56:08 +000011957static void bnx2x_init_emac_loopback(struct link_params *params,
11958 struct link_vars *vars)
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011959{
11960 struct bnx2x *bp = params->bp;
11961 vars->link_up = 1;
11962 vars->line_speed = SPEED_1000;
11963 vars->duplex = DUPLEX_FULL;
11964 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11965 vars->mac_type = MAC_TYPE_EMAC;
11966
11967 vars->phy_flags = PHY_XGXS_FLAG;
11968
11969 bnx2x_xgxs_deassert(params);
11970 /* set bmac loopback */
11971 bnx2x_emac_enable(params, vars, 1);
11972 bnx2x_emac_program(params, vars);
11973 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11974}
11975
Merav Sicron910cc722012-11-11 03:56:08 +000011976static void bnx2x_init_xmac_loopback(struct link_params *params,
11977 struct link_vars *vars)
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011978{
11979 struct bnx2x *bp = params->bp;
11980 vars->link_up = 1;
11981 if (!params->req_line_speed[0])
11982 vars->line_speed = SPEED_10000;
11983 else
11984 vars->line_speed = params->req_line_speed[0];
11985 vars->duplex = DUPLEX_FULL;
11986 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11987 vars->mac_type = MAC_TYPE_XMAC;
11988 vars->phy_flags = PHY_XGXS_FLAG;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011989 /* Set WC to loopback mode since link is required to provide clock
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011990 * to the XMAC in 20G mode
11991 */
Yaniv Rosnerafad0092011-08-02 23:00:06 +000011992 bnx2x_set_aer_mmd(params, &params->phy[0]);
11993 bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
11994 params->phy[INT_PHY].config_loopback(
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011995 &params->phy[INT_PHY],
11996 params);
Yaniv Rosnerafad0092011-08-02 23:00:06 +000011997
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011998 bnx2x_xmac_enable(params, vars, 1);
11999 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12000}
12001
Merav Sicron910cc722012-11-11 03:56:08 +000012002static void bnx2x_init_umac_loopback(struct link_params *params,
12003 struct link_vars *vars)
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012004{
12005 struct bnx2x *bp = params->bp;
12006 vars->link_up = 1;
12007 vars->line_speed = SPEED_1000;
12008 vars->duplex = DUPLEX_FULL;
12009 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12010 vars->mac_type = MAC_TYPE_UMAC;
12011 vars->phy_flags = PHY_XGXS_FLAG;
12012 bnx2x_umac_enable(params, vars, 1);
12013
12014 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12015}
12016
Merav Sicron910cc722012-11-11 03:56:08 +000012017static void bnx2x_init_xgxs_loopback(struct link_params *params,
12018 struct link_vars *vars)
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012019{
12020 struct bnx2x *bp = params->bp;
12021 vars->link_up = 1;
12022 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12023 vars->duplex = DUPLEX_FULL;
12024 if (params->req_line_speed[0] == SPEED_1000)
12025 vars->line_speed = SPEED_1000;
12026 else
12027 vars->line_speed = SPEED_10000;
12028
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012029 if (!USES_WARPCORE(bp))
12030 bnx2x_xgxs_deassert(params);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012031 bnx2x_link_initialize(params, vars);
12032
12033 if (params->req_line_speed[0] == SPEED_1000) {
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012034 if (USES_WARPCORE(bp))
12035 bnx2x_umac_enable(params, vars, 0);
12036 else {
12037 bnx2x_emac_program(params, vars);
12038 bnx2x_emac_enable(params, vars, 0);
12039 }
12040 } else {
12041 if (USES_WARPCORE(bp))
12042 bnx2x_xmac_enable(params, vars, 0);
12043 else
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012044 bnx2x_bmac_enable(params, vars, 0, 1);
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012045 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012046
12047 if (params->loopback_mode == LOOPBACK_XGXS) {
12048 /* set 10G XGXS loopback */
12049 params->phy[INT_PHY].config_loopback(
12050 &params->phy[INT_PHY],
12051 params);
12052
12053 } else {
12054 /* set external phy loopback */
12055 u8 phy_index;
12056 for (phy_index = EXT_PHY1;
12057 phy_index < params->num_phys; phy_index++) {
12058 if (params->phy[phy_index].config_loopback)
12059 params->phy[phy_index].config_loopback(
12060 &params->phy[phy_index],
12061 params);
12062 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012063 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012064 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012065
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012066 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012067}
12068
Merav Sicron55c11942012-11-07 00:45:48 +000012069void bnx2x_set_rx_filter(struct link_params *params, u8 en)
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012070{
12071 struct bnx2x *bp = params->bp;
12072 u8 val = en * 0x1F;
12073
12074 /* Open the gate between the NIG to the BRB */
12075 if (!CHIP_IS_E1x(bp))
12076 val |= en * 0x20;
12077 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
12078
12079 if (!CHIP_IS_E1(bp)) {
12080 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
12081 en*0x3);
12082 }
12083
12084 REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
12085 NIG_REG_LLH0_BRB1_NOT_MCP), en);
12086}
12087static int bnx2x_avoid_link_flap(struct link_params *params,
12088 struct link_vars *vars)
12089{
12090 u32 phy_idx;
12091 u32 dont_clear_stat, lfa_sts;
12092 struct bnx2x *bp = params->bp;
12093
12094 /* Sync the link parameters */
12095 bnx2x_link_status_update(params, vars);
12096
12097 /*
12098 * The module verification was already done by previous link owner,
12099 * so this call is meant only to get warning message
12100 */
12101
12102 for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
12103 struct bnx2x_phy *phy = &params->phy[phy_idx];
12104 if (phy->phy_specific_func) {
12105 DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
12106 phy->phy_specific_func(phy, params, PHY_INIT);
12107 }
12108 if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
12109 (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
12110 (phy->media_type == ETH_PHY_DA_TWINAX))
12111 bnx2x_verify_sfp_module(phy, params);
12112 }
12113 lfa_sts = REG_RD(bp, params->lfa_base +
12114 offsetof(struct shmem_lfa,
12115 lfa_sts));
12116
12117 dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
12118
12119 /* Re-enable the NIG/MAC */
12120 if (CHIP_IS_E3(bp)) {
12121 if (!dont_clear_stat) {
12122 REG_WR(bp, GRCBASE_MISC +
12123 MISC_REGISTERS_RESET_REG_2_CLEAR,
12124 (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12125 params->port));
12126 REG_WR(bp, GRCBASE_MISC +
12127 MISC_REGISTERS_RESET_REG_2_SET,
12128 (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12129 params->port));
12130 }
12131 if (vars->line_speed < SPEED_10000)
12132 bnx2x_umac_enable(params, vars, 0);
12133 else
12134 bnx2x_xmac_enable(params, vars, 0);
12135 } else {
12136 if (vars->line_speed < SPEED_10000)
12137 bnx2x_emac_enable(params, vars, 0);
12138 else
12139 bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
12140 }
12141
12142 /* Increment LFA count */
12143 lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
12144 (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
12145 LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
12146 << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
12147 /* Clear link flap reason */
12148 lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12149
12150 REG_WR(bp, params->lfa_base +
12151 offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12152
12153 /* Disable NIG DRAIN */
12154 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12155
12156 /* Enable interrupts */
12157 bnx2x_link_int_enable(params);
12158 return 0;
12159}
12160
12161static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
12162 struct link_vars *vars,
12163 int lfa_status)
12164{
12165 u32 lfa_sts, cfg_idx, tmp_val;
12166 struct bnx2x *bp = params->bp;
12167
12168 bnx2x_link_reset(params, vars, 1);
12169
12170 if (!params->lfa_base)
12171 return;
12172 /* Store the new link parameters */
12173 REG_WR(bp, params->lfa_base +
12174 offsetof(struct shmem_lfa, req_duplex),
12175 params->req_duplex[0] | (params->req_duplex[1] << 16));
12176
12177 REG_WR(bp, params->lfa_base +
12178 offsetof(struct shmem_lfa, req_flow_ctrl),
12179 params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
12180
12181 REG_WR(bp, params->lfa_base +
12182 offsetof(struct shmem_lfa, req_line_speed),
12183 params->req_line_speed[0] | (params->req_line_speed[1] << 16));
12184
12185 for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
12186 REG_WR(bp, params->lfa_base +
12187 offsetof(struct shmem_lfa,
12188 speed_cap_mask[cfg_idx]),
12189 params->speed_cap_mask[cfg_idx]);
12190 }
12191
12192 tmp_val = REG_RD(bp, params->lfa_base +
12193 offsetof(struct shmem_lfa, additional_config));
12194 tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
12195 tmp_val |= params->req_fc_auto_adv;
12196
12197 REG_WR(bp, params->lfa_base +
12198 offsetof(struct shmem_lfa, additional_config), tmp_val);
12199
12200 lfa_sts = REG_RD(bp, params->lfa_base +
12201 offsetof(struct shmem_lfa, lfa_sts));
12202
12203 /* Clear the "Don't Clear Statistics" bit, and set reason */
12204 lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
12205
12206 /* Set link flap reason */
12207 lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12208 lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
12209 LFA_LINK_FLAP_REASON_OFFSET);
12210
12211 /* Increment link flap counter */
12212 lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
12213 (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
12214 LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
12215 << LINK_FLAP_COUNT_OFFSET));
12216 REG_WR(bp, params->lfa_base +
12217 offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12218 /* Proceed with regular link initialization */
12219}
12220
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012221int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012222{
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012223 int lfa_status;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012224 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012225 DP(NETIF_MSG_LINK, "Phy Initialization started\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012226 DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
12227 params->req_line_speed[0], params->req_flow_ctrl[0]);
12228 DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
12229 params->req_line_speed[1], params->req_flow_ctrl[1]);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012230 vars->link_status = 0;
12231 vars->phy_link_up = 0;
12232 vars->link_up = 0;
12233 vars->line_speed = 0;
12234 vars->duplex = DUPLEX_FULL;
12235 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12236 vars->mac_type = MAC_TYPE_NONE;
12237 vars->phy_flags = 0;
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012238 /* Driver opens NIG-BRB filters */
12239 bnx2x_set_rx_filter(params, 1);
12240 /* Check if link flap can be avoided */
12241 lfa_status = bnx2x_check_lfa(params);
12242
12243 if (lfa_status == 0) {
12244 DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
12245 return bnx2x_avoid_link_flap(params, vars);
12246 }
12247
12248 DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
12249 lfa_status);
12250 bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012251
Yuval Mintzd2310232012-06-20 19:05:19 +000012252 /* Disable attentions */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012253 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
12254 (NIG_MASK_XGXS0_LINK_STATUS |
12255 NIG_MASK_XGXS0_LINK10G |
12256 NIG_MASK_SERDES0_LINK_STATUS |
12257 NIG_MASK_MI_INT));
12258
12259 bnx2x_emac_init(params, vars);
12260
Yaniv Rosner27d91292012-04-04 01:28:54 +000012261 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
12262 vars->link_status |= LINK_STATUS_PFC_ENABLED;
12263
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012264 if (params->num_phys == 0) {
12265 DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
12266 return -EINVAL;
12267 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012268 set_phy_vars(params, vars);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012269
12270 DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012271 switch (params->loopback_mode) {
12272 case LOOPBACK_BMAC:
12273 bnx2x_init_bmac_loopback(params, vars);
12274 break;
12275 case LOOPBACK_EMAC:
12276 bnx2x_init_emac_loopback(params, vars);
12277 break;
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012278 case LOOPBACK_XMAC:
12279 bnx2x_init_xmac_loopback(params, vars);
12280 break;
12281 case LOOPBACK_UMAC:
12282 bnx2x_init_umac_loopback(params, vars);
12283 break;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012284 case LOOPBACK_XGXS:
12285 case LOOPBACK_EXT_PHY:
12286 bnx2x_init_xgxs_loopback(params, vars);
12287 break;
12288 default:
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012289 if (!CHIP_IS_E3(bp)) {
12290 if (params->switch_cfg == SWITCH_CFG_10G)
12291 bnx2x_xgxs_deassert(params);
12292 else
12293 bnx2x_serdes_deassert(bp, params->port);
12294 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012295 bnx2x_link_initialize(params, vars);
12296 msleep(30);
12297 bnx2x_link_int_enable(params);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012298 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012299 }
Yaniv Rosner55098c52012-04-03 18:41:27 +000012300 bnx2x_update_mng(params, vars->link_status);
Yuval Mintzc8c60d82012-06-06 17:13:07 +000012301
12302 bnx2x_update_mng_eee(params, vars->eee_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012303 return 0;
12304}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012305
12306int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
12307 u8 reset_ext_phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012308{
12309 struct bnx2x *bp = params->bp;
Yaniv Rosnercf1d9722010-11-01 05:32:34 +000012310 u8 phy_index, port = params->port, clear_latch_ind = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012311 DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
Yuval Mintzd2310232012-06-20 19:05:19 +000012312 /* Disable attentions */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012313 vars->link_status = 0;
12314 bnx2x_update_mng(params, vars->link_status);
Yuval Mintzc8c60d82012-06-06 17:13:07 +000012315 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
12316 SHMEM_EEE_ACTIVE_BIT);
12317 bnx2x_update_mng_eee(params, vars->eee_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012318 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012319 (NIG_MASK_XGXS0_LINK_STATUS |
12320 NIG_MASK_XGXS0_LINK10G |
12321 NIG_MASK_SERDES0_LINK_STATUS |
12322 NIG_MASK_MI_INT));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012323
Yuval Mintzd2310232012-06-20 19:05:19 +000012324 /* Activate nig drain */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012325 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
12326
Yuval Mintzd2310232012-06-20 19:05:19 +000012327 /* Disable nig egress interface */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012328 if (!CHIP_IS_E3(bp)) {
12329 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
12330 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
12331 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012332
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012333 if (!CHIP_IS_E3(bp)) {
12334 bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
12335 } else {
12336 bnx2x_set_xmac_rxtx(params, 0);
12337 bnx2x_set_umac_rxtx(params, 0);
12338 }
Yuval Mintzd2310232012-06-20 19:05:19 +000012339 /* Disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012340 if (!CHIP_IS_E3(bp))
12341 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012342
Yuval Mintzd2310232012-06-20 19:05:19 +000012343 usleep_range(10000, 20000);
Lucas De Marchi25985ed2011-03-30 22:57:33 -030012344 /* The PHY reset is controlled by GPIO 1
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012345 * Hold it as vars low
12346 */
Yuval Mintzd2310232012-06-20 19:05:19 +000012347 /* Clear link led */
Yaniv Rosnerca7b91b2012-04-04 01:40:02 +000012348 bnx2x_set_mdio_clk(bp, params->chip_id, port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000012349 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
12350
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012351 if (reset_ext_phy) {
12352 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
12353 phy_index++) {
Yaniv Rosner28f48812011-08-02 23:00:12 +000012354 if (params->phy[phy_index].link_reset) {
12355 bnx2x_set_aer_mmd(params,
12356 &params->phy[phy_index]);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012357 params->phy[phy_index].link_reset(
12358 &params->phy[phy_index],
12359 params);
Yaniv Rosner28f48812011-08-02 23:00:12 +000012360 }
Yaniv Rosnercf1d9722010-11-01 05:32:34 +000012361 if (params->phy[phy_index].flags &
12362 FLAGS_REARM_LATCH_SIGNAL)
12363 clear_latch_ind = 1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012364 }
12365 }
12366
Yaniv Rosnercf1d9722010-11-01 05:32:34 +000012367 if (clear_latch_ind) {
12368 /* Clear latching indication */
12369 bnx2x_rearm_latch_signal(bp, port, 0);
12370 bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
12371 1 << NIG_LATCH_BC_ENABLE_MI_INT);
12372 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012373 if (params->phy[INT_PHY].link_reset)
12374 params->phy[INT_PHY].link_reset(
12375 &params->phy[INT_PHY], params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012376
Yuval Mintzd2310232012-06-20 19:05:19 +000012377 /* Disable nig ingress interface */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012378 if (!CHIP_IS_E3(bp)) {
Yuval Mintzd2310232012-06-20 19:05:19 +000012379 /* Reset BigMac */
Yaniv Rosnerce7c0482011-10-27 05:09:47 +000012380 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
12381 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012382 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
12383 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
Yaniv Rosnerce7c0482011-10-27 05:09:47 +000012384 } else {
12385 u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
12386 bnx2x_set_xumac_nig(params, 0, 0);
12387 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
12388 MISC_REGISTERS_RESET_REG_2_XMAC)
12389 REG_WR(bp, xmac_base + XMAC_REG_CTRL,
12390 XMAC_CTRL_REG_SOFT_RESET);
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012391 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012392 vars->link_up = 0;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012393 vars->phy_flags = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012394 return 0;
12395}
Yaniv Rosnerd3a8f132012-09-13 02:56:20 +000012396int bnx2x_lfa_reset(struct link_params *params,
12397 struct link_vars *vars)
12398{
12399 struct bnx2x *bp = params->bp;
12400 vars->link_up = 0;
12401 vars->phy_flags = 0;
12402 if (!params->lfa_base)
12403 return bnx2x_link_reset(params, vars, 1);
12404 /*
12405 * Activate NIG drain so that during this time the device won't send
12406 * anything while it is unable to response.
12407 */
12408 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
12409
12410 /*
12411 * Close gracefully the gate from BMAC to NIG such that no half packets
12412 * are passed.
12413 */
12414 if (!CHIP_IS_E3(bp))
12415 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
12416
12417 if (CHIP_IS_E3(bp)) {
12418 bnx2x_set_xmac_rxtx(params, 0);
12419 bnx2x_set_umac_rxtx(params, 0);
12420 }
12421 /* Wait 10ms for the pipe to clean up*/
12422 usleep_range(10000, 20000);
12423
12424 /* Clean the NIG-BRB using the network filters in a way that will
12425 * not cut a packet in the middle.
12426 */
12427 bnx2x_set_rx_filter(params, 0);
12428
12429 /*
12430 * Re-open the gate between the BMAC and the NIG, after verifying the
12431 * gate to the BRB is closed, otherwise packets may arrive to the
12432 * firmware before driver had initialized it. The target is to achieve
12433 * minimum management protocol down time.
12434 */
12435 if (!CHIP_IS_E3(bp))
12436 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
12437
12438 if (CHIP_IS_E3(bp)) {
12439 bnx2x_set_xmac_rxtx(params, 1);
12440 bnx2x_set_umac_rxtx(params, 1);
12441 }
12442 /* Disable NIG drain */
12443 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12444 return 0;
12445}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012446
12447/****************************************************************************/
12448/* Common function */
12449/****************************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012450static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
12451 u32 shmem_base_path[],
12452 u32 shmem2_base_path[], u8 phy_index,
12453 u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012454{
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012455 struct bnx2x_phy phy[PORT_MAX];
12456 struct bnx2x_phy *phy_blk[PORT_MAX];
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012457 u16 val;
Yaniv Rosnerc8e64df2011-01-30 04:15:00 +000012458 s8 port = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012459 s8 port_of_path = 0;
Yaniv Rosnerc8e64df2011-01-30 04:15:00 +000012460 u32 swap_val, swap_override;
12461 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12462 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
12463 port ^= (swap_val && swap_override);
12464 bnx2x_ext_phy_hw_reset(bp, port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012465 /* PART1 - Reset both phys */
12466 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012467 u32 shmem_base, shmem2_base;
12468 /* In E2, same phy is using for port0 of the two paths */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012469 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012470 shmem_base = shmem_base_path[0];
12471 shmem2_base = shmem2_base_path[0];
12472 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012473 } else {
12474 shmem_base = shmem_base_path[port];
12475 shmem2_base = shmem2_base_path[port];
12476 port_of_path = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012477 }
12478
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012479 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012480 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012481 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012482 0) {
12483 DP(NETIF_MSG_LINK, "populate_phy failed\n");
12484 return -EINVAL;
12485 }
Yuval Mintzd2310232012-06-20 19:05:19 +000012486 /* Disable attentions */
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +000012487 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12488 port_of_path*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012489 (NIG_MASK_XGXS0_LINK_STATUS |
12490 NIG_MASK_XGXS0_LINK10G |
12491 NIG_MASK_SERDES0_LINK_STATUS |
12492 NIG_MASK_MI_INT));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012493
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012494 /* Need to take the phy out of low power mode in order
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012495 * to write to access its registers
12496 */
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012497 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012498 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12499 port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012500
12501 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012502 bnx2x_cl45_write(bp, &phy[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012503 MDIO_PMA_DEVAD,
12504 MDIO_PMA_REG_CTRL,
12505 1<<15);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012506 }
12507
12508 /* Add delay of 150ms after reset */
12509 msleep(150);
12510
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012511 if (phy[PORT_0].addr & 0x1) {
12512 phy_blk[PORT_0] = &(phy[PORT_1]);
12513 phy_blk[PORT_1] = &(phy[PORT_0]);
12514 } else {
12515 phy_blk[PORT_0] = &(phy[PORT_0]);
12516 phy_blk[PORT_1] = &(phy[PORT_1]);
12517 }
12518
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012519 /* PART2 - Download firmware to both phys */
12520 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012521 if (CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012522 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012523 else
12524 port_of_path = 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012525
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012526 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12527 phy_blk[port]->addr);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +000012528 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12529 port_of_path))
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012530 return -EINVAL;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012531
12532 /* Only set bit 10 = 1 (Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012533 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012534 MDIO_PMA_DEVAD,
12535 MDIO_PMA_REG_TX_POWER_DOWN, &val);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012536
12537 /* Phase1 of TX_POWER_DOWN reset */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012538 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012539 MDIO_PMA_DEVAD,
12540 MDIO_PMA_REG_TX_POWER_DOWN,
12541 (val | 1<<10));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012542 }
12543
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012544 /* Toggle Transmitter: Power down and then up with 600ms delay
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000012545 * between
12546 */
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012547 msleep(600);
12548
12549 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
12550 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Eilon Greensteinf5372252009-02-12 08:38:30 +000012551 /* Phase2 of POWER_DOWN_RESET */
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012552 /* Release bit 10 (Release Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012553 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012554 MDIO_PMA_DEVAD,
12555 MDIO_PMA_REG_TX_POWER_DOWN, &val);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012556
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012557 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012558 MDIO_PMA_DEVAD,
12559 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
Yuval Mintzd2310232012-06-20 19:05:19 +000012560 usleep_range(15000, 30000);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012561
12562 /* Read modify write the SPI-ROM version select register */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012563 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012564 MDIO_PMA_DEVAD,
12565 MDIO_PMA_REG_EDC_FFE_MAIN, &val);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012566 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012567 MDIO_PMA_DEVAD,
12568 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012569
12570 /* set GPIO2 back to LOW */
12571 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012572 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012573 }
12574 return 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012575}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012576static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
12577 u32 shmem_base_path[],
12578 u32 shmem2_base_path[], u8 phy_index,
12579 u32 chip_id)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012580{
12581 u32 val;
12582 s8 port;
12583 struct bnx2x_phy phy;
12584 /* Use port1 because of the static port-swap */
12585 /* Enable the module detection interrupt */
12586 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
12587 val |= ((1<<MISC_REGISTERS_GPIO_3)|
12588 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
12589 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
12590
Yaniv Rosner650154b2010-11-01 05:32:36 +000012591 bnx2x_ext_phy_hw_reset(bp, 0);
Yuval Mintzd2310232012-06-20 19:05:19 +000012592 usleep_range(5000, 10000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012593 for (port = 0; port < PORT_MAX; port++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012594 u32 shmem_base, shmem2_base;
12595
12596 /* In E2, same phy is using for port0 of the two paths */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012597 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012598 shmem_base = shmem_base_path[0];
12599 shmem2_base = shmem2_base_path[0];
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012600 } else {
12601 shmem_base = shmem_base_path[port];
12602 shmem2_base = shmem2_base_path[port];
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012603 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012604 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012605 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012606 port, &phy) !=
12607 0) {
12608 DP(NETIF_MSG_LINK, "populate phy failed\n");
12609 return -EINVAL;
12610 }
12611
12612 /* Reset phy*/
12613 bnx2x_cl45_write(bp, &phy,
12614 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
12615
12616
12617 /* Set fault module detected LED on */
12618 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012619 MISC_REGISTERS_GPIO_HIGH,
12620 port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012621 }
12622
12623 return 0;
12624}
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000012625static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
12626 u8 *io_gpio, u8 *io_port)
12627{
12628
12629 u32 phy_gpio_reset = REG_RD(bp, shmem_base +
12630 offsetof(struct shmem_region,
12631 dev_info.port_hw_config[PORT_0].default_cfg));
12632 switch (phy_gpio_reset) {
12633 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
12634 *io_gpio = 0;
12635 *io_port = 0;
12636 break;
12637 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
12638 *io_gpio = 1;
12639 *io_port = 0;
12640 break;
12641 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
12642 *io_gpio = 2;
12643 *io_port = 0;
12644 break;
12645 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
12646 *io_gpio = 3;
12647 *io_port = 0;
12648 break;
12649 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
12650 *io_gpio = 0;
12651 *io_port = 1;
12652 break;
12653 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
12654 *io_gpio = 1;
12655 *io_port = 1;
12656 break;
12657 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
12658 *io_gpio = 2;
12659 *io_port = 1;
12660 break;
12661 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
12662 *io_gpio = 3;
12663 *io_port = 1;
12664 break;
12665 default:
12666 /* Don't override the io_gpio and io_port */
12667 break;
12668 }
12669}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012670
12671static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
12672 u32 shmem_base_path[],
12673 u32 shmem2_base_path[], u8 phy_index,
12674 u32 chip_id)
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012675{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000012676 s8 port, reset_gpio;
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012677 u32 swap_val, swap_override;
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012678 struct bnx2x_phy phy[PORT_MAX];
12679 struct bnx2x_phy *phy_blk[PORT_MAX];
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012680 s8 port_of_path;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012681 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12682 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012683
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000012684 reset_gpio = MISC_REGISTERS_GPIO_1;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012685 port = 1;
12686
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012687 /* Retrieve the reset gpio/port which control the reset.
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000012688 * Default is GPIO1, PORT1
12689 */
12690 bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
12691 (u8 *)&reset_gpio, (u8 *)&port);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012692
12693 /* Calculate the port based on port swap */
12694 port ^= (swap_val && swap_override);
12695
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000012696 /* Initiate PHY reset*/
12697 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
12698 port);
Yuval Mintzd2310232012-06-20 19:05:19 +000012699 usleep_range(1000, 2000);
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000012700 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12701 port);
12702
Yuval Mintzd2310232012-06-20 19:05:19 +000012703 usleep_range(5000, 10000);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012704
12705 /* PART1 - Reset both phys */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012706 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012707 u32 shmem_base, shmem2_base;
12708
12709 /* In E2, same phy is using for port0 of the two paths */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012710 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012711 shmem_base = shmem_base_path[0];
12712 shmem2_base = shmem2_base_path[0];
12713 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012714 } else {
12715 shmem_base = shmem_base_path[port];
12716 shmem2_base = shmem2_base_path[port];
12717 port_of_path = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012718 }
12719
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012720 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012721 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012722 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012723 0) {
12724 DP(NETIF_MSG_LINK, "populate phy failed\n");
12725 return -EINVAL;
12726 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012727 /* disable attentions */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012728 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12729 port_of_path*4,
12730 (NIG_MASK_XGXS0_LINK_STATUS |
12731 NIG_MASK_XGXS0_LINK10G |
12732 NIG_MASK_SERDES0_LINK_STATUS |
12733 NIG_MASK_MI_INT));
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012734
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012735
12736 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012737 bnx2x_cl45_write(bp, &phy[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012738 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012739 }
12740
12741 /* Add delay of 150ms after reset */
12742 msleep(150);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012743 if (phy[PORT_0].addr & 0x1) {
12744 phy_blk[PORT_0] = &(phy[PORT_1]);
12745 phy_blk[PORT_1] = &(phy[PORT_0]);
12746 } else {
12747 phy_blk[PORT_0] = &(phy[PORT_0]);
12748 phy_blk[PORT_1] = &(phy[PORT_1]);
12749 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012750 /* PART2 - Download firmware to both phys */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012751 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012752 if (CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012753 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012754 else
12755 port_of_path = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012756 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12757 phy_blk[port]->addr);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +000012758 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12759 port_of_path))
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012760 return -EINVAL;
Yaniv Rosner85242ee2011-07-05 01:06:53 +000012761 /* Disable PHY transmitter output */
12762 bnx2x_cl45_write(bp, phy_blk[port],
12763 MDIO_PMA_DEVAD,
12764 MDIO_PMA_REG_TX_DISABLE, 1);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012765
Yaniv Rosner5c99274b2011-01-18 04:33:36 +000012766 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012767 return 0;
12768}
12769
Yaniv Rosner521683d2011-11-28 00:49:48 +000012770static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
12771 u32 shmem_base_path[],
12772 u32 shmem2_base_path[],
12773 u8 phy_index,
12774 u32 chip_id)
12775{
12776 u8 reset_gpios;
Yaniv Rosner521683d2011-11-28 00:49:48 +000012777 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
12778 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
12779 udelay(10);
12780 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
12781 DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
12782 reset_gpios);
Yaniv Rosner521683d2011-11-28 00:49:48 +000012783 return 0;
12784}
12785
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000012786static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
12787 struct bnx2x_phy *phy)
12788{
12789 u16 val, cnt;
12790 /* Wait for FW completing its initialization. */
12791 for (cnt = 0; cnt < 1500; cnt++) {
12792 bnx2x_cl45_read(bp, phy,
12793 MDIO_PMA_DEVAD,
12794 MDIO_PMA_REG_CTRL, &val);
12795 if (!(val & (1<<15)))
12796 break;
Yuval Mintzd2310232012-06-20 19:05:19 +000012797 usleep_range(1000, 2000);
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000012798 }
12799 if (cnt >= 1500) {
12800 DP(NETIF_MSG_LINK, "84833 reset timeout\n");
12801 return -EINVAL;
12802 }
12803
12804 /* Put the port in super isolate mode. */
12805 bnx2x_cl45_read(bp, phy,
12806 MDIO_CTL_DEVAD,
12807 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
12808 val |= MDIO_84833_SUPER_ISOLATE;
12809 bnx2x_cl45_write(bp, phy,
12810 MDIO_CTL_DEVAD,
12811 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
12812
12813 /* Save spirom version */
12814 bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
12815 return 0;
12816}
12817
12818int bnx2x_pre_init_phy(struct bnx2x *bp,
12819 u32 shmem_base,
12820 u32 shmem2_base,
12821 u32 chip_id)
12822{
12823 int rc = 0;
12824 struct bnx2x_phy phy;
12825 bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
12826 if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
12827 PORT_0, &phy)) {
12828 DP(NETIF_MSG_LINK, "populate_phy failed\n");
12829 return -EINVAL;
12830 }
12831 switch (phy.type) {
12832 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12833 rc = bnx2x_84833_pre_init_phy(bp, &phy);
12834 break;
12835 default:
12836 break;
12837 }
12838 return rc;
12839}
Yaniv Rosner521683d2011-11-28 00:49:48 +000012840
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012841static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
12842 u32 shmem2_base_path[], u8 phy_index,
12843 u32 ext_phy_type, u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012844{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012845 int rc = 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012846
12847 switch (ext_phy_type) {
12848 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012849 rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
12850 shmem2_base_path,
12851 phy_index, chip_id);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012852 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +000012853 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012854 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
12855 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012856 rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
12857 shmem2_base_path,
12858 phy_index, chip_id);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012859 break;
12860
Eilon Greenstein589abe32009-02-12 08:36:55 +000012861 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012862 /* GPIO1 affects both ports, so there's need to pull
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000012863 * it for single port alone
12864 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012865 rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
12866 shmem2_base_path,
12867 phy_index, chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012868 break;
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000012869 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012870 /* GPIO3's are linked, and so both need to be toggled
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000012871 * to obtain required 2us pulse.
12872 */
Yaniv Rosner521683d2011-11-28 00:49:48 +000012873 rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
12874 shmem2_base_path,
12875 phy_index, chip_id);
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000012876 break;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012877 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
12878 rc = -EINVAL;
Yaniv Rosner4f60dab2009-11-05 19:18:23 +020012879 break;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012880 default:
12881 DP(NETIF_MSG_LINK,
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000012882 "ext_phy 0x%x common init not required\n",
12883 ext_phy_type);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012884 break;
12885 }
12886
Yuval Mintzd2310232012-06-20 19:05:19 +000012887 if (rc)
Yaniv Rosner6d870c32011-01-31 04:22:20 +000012888 netdev_err(bp->dev, "Warning: PHY was not initialized,"
12889 " Port %d\n",
12890 0);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012891 return rc;
12892}
12893
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012894int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
12895 u32 shmem2_base_path[], u32 chip_id)
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012896{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012897 int rc = 0;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012898 u32 phy_ver, val;
12899 u8 phy_index = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012900 u32 ext_phy_type, ext_phy_config;
Yaniv Rosnera198c142011-05-31 21:29:42 +000012901 bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
12902 bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012903 DP(NETIF_MSG_LINK, "Begin common phy init\n");
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012904 if (CHIP_IS_E3(bp)) {
12905 /* Enable EPIO */
12906 val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
12907 REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
12908 }
Yaniv Rosnerb21a3422011-01-18 04:33:24 +000012909 /* Check if common init was already done */
12910 phy_ver = REG_RD(bp, shmem_base_path[0] +
12911 offsetof(struct shmem_region,
12912 port_mb[PORT_0].ext_phy_fw_version));
12913 if (phy_ver) {
12914 DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
12915 phy_ver);
12916 return 0;
12917 }
12918
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012919 /* Read the ext_phy_type for arbitrary port(0) */
12920 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
12921 phy_index++) {
12922 ext_phy_config = bnx2x_get_ext_phy_config(bp,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012923 shmem_base_path[0],
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012924 phy_index, 0);
12925 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012926 rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
12927 shmem2_base_path,
12928 phy_index, ext_phy_type,
12929 chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012930 }
12931 return rc;
12932}
12933
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012934static void bnx2x_check_over_curr(struct link_params *params,
12935 struct link_vars *vars)
12936{
12937 struct bnx2x *bp = params->bp;
12938 u32 cfg_pin;
12939 u8 port = params->port;
12940 u32 pin_val;
12941
12942 cfg_pin = (REG_RD(bp, params->shmem_base +
12943 offsetof(struct shmem_region,
12944 dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
12945 PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
12946 PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
12947
12948 /* Ignore check if no external input PIN available */
12949 if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
12950 return;
12951
12952 if (!pin_val) {
12953 if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
12954 netdev_err(bp->dev, "Error: Power fault on Port %d has"
12955 " been detected and the power to "
12956 "that SFP+ module has been removed"
12957 " to prevent failure of the card."
12958 " Please remove the SFP+ module and"
12959 " restart the system to clear this"
12960 " error.\n",
12961 params->port);
12962 vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
12963 }
12964 } else
12965 vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
12966}
12967
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000012968/* Returns 0 if no change occured since last check; 1 otherwise. */
12969static u8 bnx2x_analyze_link_error(struct link_params *params,
12970 struct link_vars *vars, u32 status,
12971 u32 phy_flag, u32 link_flag, u8 notify)
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012972{
12973 struct bnx2x *bp = params->bp;
12974 /* Compare new value with previous value */
12975 u8 led_mode;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000012976 u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012977
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000012978 if ((status ^ old_status) == 0)
12979 return 0;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012980
12981 /* If values differ */
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000012982 switch (phy_flag) {
12983 case PHY_HALF_OPEN_CONN_FLAG:
12984 DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
12985 break;
12986 case PHY_SFP_TX_FAULT_FLAG:
12987 DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
12988 break;
12989 default:
Masanari Iidaefc7ce02012-11-02 04:36:17 +000012990 DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000012991 }
12992 DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
12993 old_status, status);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012994
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012995 /* a. Update shmem->link_status accordingly
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012996 * b. Update link_vars->link_up
12997 */
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000012998 if (status) {
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012999 vars->link_status &= ~LINK_STATUS_LINK_UP;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013000 vars->link_status |= link_flag;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013001 vars->link_up = 0;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013002 vars->phy_flags |= phy_flag;
Yaniv Rosner55098c52012-04-03 18:41:27 +000013003
13004 /* activate nig drain */
13005 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000013006 /* Set LED mode to off since the PHY doesn't know about these
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013007 * errors
13008 */
13009 led_mode = LED_MODE_OFF;
13010 } else {
13011 vars->link_status |= LINK_STATUS_LINK_UP;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013012 vars->link_status &= ~link_flag;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013013 vars->link_up = 1;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013014 vars->phy_flags &= ~phy_flag;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013015 led_mode = LED_MODE_OPER;
Yaniv Rosner55098c52012-04-03 18:41:27 +000013016
13017 /* Clear nig drain */
13018 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013019 }
Yaniv Rosner55098c52012-04-03 18:41:27 +000013020 bnx2x_sync_link(params, vars);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013021 /* Update the LED according to the link state */
13022 bnx2x_set_led(params, vars, led_mode, SPEED_10000);
13023
13024 /* Update link status in the shared memory */
13025 bnx2x_update_mng(params, vars->link_status);
13026
13027 /* C. Trigger General Attention */
13028 vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
Yaniv Rosner55098c52012-04-03 18:41:27 +000013029 if (notify)
13030 bnx2x_notify_link_changed(bp);
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013031
13032 return 1;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013033}
13034
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013035/******************************************************************************
13036* Description:
13037* This function checks for half opened connection change indication.
13038* When such change occurs, it calls the bnx2x_analyze_link_error
13039* to check if Remote Fault is set or cleared. Reception of remote fault
13040* status message in the MAC indicates that the peer's MAC has detected
13041* a fault, for example, due to break in the TX side of fiber.
13042*
13043******************************************************************************/
Yaniv Rosner55098c52012-04-03 18:41:27 +000013044int bnx2x_check_half_open_conn(struct link_params *params,
13045 struct link_vars *vars,
13046 u8 notify)
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013047{
13048 struct bnx2x *bp = params->bp;
13049 u32 lss_status = 0;
13050 u32 mac_base;
13051 /* In case link status is physically up @ 10G do */
Yaniv Rosner55098c52012-04-03 18:41:27 +000013052 if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
13053 (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
13054 return 0;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013055
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013056 if (CHIP_IS_E3(bp) &&
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013057 (REG_RD(bp, MISC_REG_RESET_REG_2) &
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013058 (MISC_REGISTERS_RESET_REG_2_XMAC))) {
13059 /* Check E3 XMAC */
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000013060 /* Note that link speed cannot be queried here, since it may be
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013061 * zero while link is down. In case UMAC is active, LSS will
13062 * simply not be set
13063 */
13064 mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
13065
13066 /* Clear stick bits (Requires rising edge) */
13067 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
13068 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
13069 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
13070 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
13071 if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
13072 lss_status = 1;
13073
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013074 bnx2x_analyze_link_error(params, vars, lss_status,
13075 PHY_HALF_OPEN_CONN_FLAG,
13076 LINK_STATUS_NONE, notify);
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013077 } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
13078 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013079 /* Check E1X / E2 BMAC */
13080 u32 lss_status_reg;
13081 u32 wb_data[2];
13082 mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
13083 NIG_REG_INGRESS_BMAC0_MEM;
13084 /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
13085 if (CHIP_IS_E2(bp))
13086 lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
13087 else
13088 lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
13089
13090 REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
13091 lss_status = (wb_data[0] > 0);
13092
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013093 bnx2x_analyze_link_error(params, vars, lss_status,
13094 PHY_HALF_OPEN_CONN_FLAG,
13095 LINK_STATUS_NONE, notify);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013096 }
Yaniv Rosner55098c52012-04-03 18:41:27 +000013097 return 0;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013098}
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013099static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
13100 struct link_params *params,
13101 struct link_vars *vars)
13102{
13103 struct bnx2x *bp = params->bp;
13104 u32 cfg_pin, value = 0;
13105 u8 led_change, port = params->port;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013106
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013107 /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
13108 cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
13109 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
13110 PORT_HW_CFG_E3_TX_FAULT_MASK) >>
13111 PORT_HW_CFG_E3_TX_FAULT_SHIFT;
13112
13113 if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
13114 DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
13115 return;
13116 }
13117
13118 led_change = bnx2x_analyze_link_error(params, vars, value,
13119 PHY_SFP_TX_FAULT_FLAG,
13120 LINK_STATUS_SFP_TX_FAULT, 1);
13121
13122 if (led_change) {
13123 /* Change TX_Fault led, set link status for further syncs */
13124 u8 led_mode;
13125
13126 if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
13127 led_mode = MISC_REGISTERS_GPIO_HIGH;
13128 vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
13129 } else {
13130 led_mode = MISC_REGISTERS_GPIO_LOW;
13131 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13132 }
13133
13134 /* If module is unapproved, led should be on regardless */
13135 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
13136 DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
13137 led_mode);
13138 bnx2x_set_e3_module_fault_led(params, led_mode);
13139 }
13140 }
13141}
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013142void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
13143{
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013144 u16 phy_idx;
Yaniv Rosner55098c52012-04-03 18:41:27 +000013145 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013146 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
13147 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
13148 bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
Yaniv Rosner55098c52012-04-03 18:41:27 +000013149 if (bnx2x_check_half_open_conn(params, vars, 1) !=
13150 0)
13151 DP(NETIF_MSG_LINK, "Fault detection failed\n");
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013152 break;
13153 }
13154 }
13155
Yaniv Rosnera9077bf2011-10-27 05:09:46 +000013156 if (CHIP_IS_E3(bp)) {
13157 struct bnx2x_phy *phy = &params->phy[INT_PHY];
13158 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013159 bnx2x_check_over_curr(params, vars);
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013160 if (vars->rx_tx_asic_rst)
13161 bnx2x_warpcore_config_runtime(phy, params, vars);
13162
13163 if ((REG_RD(bp, params->shmem_base +
13164 offsetof(struct shmem_region, dev_info.
13165 port_hw_config[params->port].default_cfg))
13166 & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
13167 PORT_HW_CFG_NET_SERDES_IF_SFI) {
13168 if (bnx2x_is_sfp_module_plugged(phy, params)) {
13169 bnx2x_sfp_tx_fault_detection(phy, params, vars);
13170 } else if (vars->link_status &
13171 LINK_STATUS_SFP_TX_FAULT) {
13172 /* Clean trail, interrupt corrects the leds */
13173 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13174 vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
13175 /* Update link status in the shared memory */
13176 bnx2x_update_mng(params, vars->link_status);
13177 }
13178 }
13179
Yaniv Rosnera9077bf2011-10-27 05:09:46 +000013180 }
13181
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013182}
13183
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013184u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000013185{
13186 u8 phy_index;
13187 struct bnx2x_phy phy;
13188 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
13189 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013190 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000013191 0, &phy) != 0) {
13192 DP(NETIF_MSG_LINK, "populate phy failed\n");
13193 return 0;
13194 }
13195
13196 if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
13197 return 1;
13198 }
13199 return 0;
13200}
13201
13202u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
13203 u32 shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013204 u32 shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000013205 u8 port)
13206{
13207 u8 phy_index, fan_failure_det_req = 0;
13208 struct bnx2x_phy phy;
13209 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13210 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013211 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000013212 port, &phy)
13213 != 0) {
13214 DP(NETIF_MSG_LINK, "populate phy failed\n");
13215 return 0;
13216 }
13217 fan_failure_det_req |= (phy.flags &
13218 FLAGS_FAN_FAILURE_DET_REQ);
13219 }
13220 return fan_failure_det_req;
13221}
13222
13223void bnx2x_hw_reset_phy(struct link_params *params)
13224{
13225 u8 phy_index;
Yaniv Rosner985848f2011-07-05 01:06:48 +000013226 struct bnx2x *bp = params->bp;
13227 bnx2x_update_mng(params, 0);
13228 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
13229 (NIG_MASK_XGXS0_LINK_STATUS |
13230 NIG_MASK_XGXS0_LINK10G |
13231 NIG_MASK_SERDES0_LINK_STATUS |
13232 NIG_MASK_MI_INT));
13233
13234 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000013235 phy_index++) {
13236 if (params->phy[phy_index].hw_reset) {
13237 params->phy[phy_index].hw_reset(
13238 &params->phy[phy_index],
13239 params);
13240 params->phy[phy_index] = phy_null;
13241 }
13242 }
13243}
Yaniv Rosner020c7e32011-05-31 21:28:43 +000013244
13245void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
13246 u32 chip_id, u32 shmem_base, u32 shmem2_base,
13247 u8 port)
13248{
13249 u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
13250 u32 val;
13251 u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000013252 if (CHIP_IS_E3(bp)) {
13253 if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
13254 shmem_base,
13255 port,
13256 &gpio_num,
13257 &gpio_port) != 0)
13258 return;
13259 } else {
Yaniv Rosner020c7e32011-05-31 21:28:43 +000013260 struct bnx2x_phy phy;
13261 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13262 phy_index++) {
13263 if (bnx2x_populate_phy(bp, phy_index, shmem_base,
13264 shmem2_base, port, &phy)
13265 != 0) {
13266 DP(NETIF_MSG_LINK, "populate phy failed\n");
13267 return;
13268 }
13269 if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
13270 gpio_num = MISC_REGISTERS_GPIO_3;
13271 gpio_port = port;
13272 break;
13273 }
13274 }
13275 }
13276
13277 if (gpio_num == 0xff)
13278 return;
13279
13280 /* Set GPIO3 to trigger SFP+ module insertion/removal */
13281 bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
13282
13283 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13284 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13285 gpio_port ^= (swap_val && swap_override);
13286
13287 vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
13288 (gpio_num + (gpio_port << 2));
13289
13290 sync_offset = shmem_base +
13291 offsetof(struct shmem_region,
13292 dev_info.port_hw_config[port].aeu_int_mask);
13293 REG_WR(bp, sync_offset, vars->aeu_int_mask);
13294
13295 DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
13296 gpio_num, gpio_port, vars->aeu_int_mask);
13297
13298 if (port == 0)
13299 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
13300 else
13301 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
13302
13303 /* Open appropriate AEU for interrupts */
13304 aeu_mask = REG_RD(bp, offset);
13305 aeu_mask |= vars->aeu_int_mask;
13306 REG_WR(bp, offset, aeu_mask);
13307
13308 /* Enable the GPIO to trigger interrupt */
13309 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
13310 val |= 1 << (gpio_num + (gpio_port << 2));
13311 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
13312}