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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
43#define MCPR_IMC_COMMAND_READ_OP 1
44#define MCPR_IMC_COMMAND_WRITE_OP 2
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070045
Yaniv Rosner26ffaf32011-10-27 05:09:45 +000046/* LED Blink rate that will achieve ~15.9Hz */
47#define LED_BLINK_RATE_VAL_E3 354
48#define LED_BLINK_RATE_VAL_E1X_E2 480
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070049/***********************************************************/
Eilon Greenstein3196a882008-08-13 15:58:49 -070050/* Shortcut definitions */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070051/***********************************************************/
52
Eilon Greenstein2f904462009-08-12 08:22:16 +000053#define NIG_LATCH_BC_ENABLE_MI_INT 0
54
55#define NIG_STATUS_EMAC0_MI_INT \
56 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070057#define NIG_STATUS_XGXS0_LINK10G \
58 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
59#define NIG_STATUS_XGXS0_LINK_STATUS \
60 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
61#define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
62 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
63#define NIG_STATUS_SERDES0_LINK_STATUS \
64 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
65#define NIG_MASK_MI_INT \
66 NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
67#define NIG_MASK_XGXS0_LINK10G \
68 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
69#define NIG_MASK_XGXS0_LINK_STATUS \
70 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
71#define NIG_MASK_SERDES0_LINK_STATUS \
72 NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
73
74#define MDIO_AN_CL73_OR_37_COMPLETE \
75 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
76 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
77
78#define XGXS_RESET_BITS \
79 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
80 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
81 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
82 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
83 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
84
85#define SERDES_RESET_BITS \
86 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
87 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
88 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
89 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
90
91#define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
92#define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000093#define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
Eilon Greenstein3196a882008-08-13 15:58:49 -070094#define AUTONEG_PARALLEL \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070095 SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
Eilon Greenstein3196a882008-08-13 15:58:49 -070096#define AUTONEG_SGMII_FIBER_AUTODET \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070097 SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
Eilon Greenstein3196a882008-08-13 15:58:49 -070098#define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070099
100#define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
101 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
102#define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
103 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
104#define GP_STATUS_SPEED_MASK \
105 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
106#define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
107#define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
108#define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
109#define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
110#define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
111#define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
112#define GP_STATUS_10G_HIG \
113 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
114#define GP_STATUS_10G_CX4 \
115 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700116#define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
117#define GP_STATUS_10G_KX4 \
118 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000119#define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
120#define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
121#define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
122#define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000123#define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
124#define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700125#define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000126#define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700127#define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
128#define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
129#define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
130#define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
131#define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
132#define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
133#define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000134#define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
135#define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000136#define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
137#define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
Yaniv Rosner6583e332011-06-14 01:34:17 +0000138
139
140
Eilon Greenstein589abe32009-02-12 08:36:55 +0000141#define SFP_EEPROM_CON_TYPE_ADDR 0x2
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000142 #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
Eilon Greenstein589abe32009-02-12 08:36:55 +0000143 #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
144
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000145
146#define SFP_EEPROM_COMP_CODE_ADDR 0x3
147 #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
148 #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
149 #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
150
Eilon Greenstein589abe32009-02-12 08:36:55 +0000151#define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
152 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000153 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000154
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000155#define SFP_EEPROM_OPTIONS_ADDR 0x40
Eilon Greenstein589abe32009-02-12 08:36:55 +0000156 #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000157#define SFP_EEPROM_OPTIONS_SIZE 2
Eilon Greenstein589abe32009-02-12 08:36:55 +0000158
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000159#define EDC_MODE_LINEAR 0x0022
160#define EDC_MODE_LIMITING 0x0044
161#define EDC_MODE_PASSIVE_DAC 0x0055
Eilon Greenstein589abe32009-02-12 08:36:55 +0000162
Yaniv Rosner866ceda2011-11-28 00:49:45 +0000163/* BRB default for class 0 E2 */
164#define DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR 170
165#define DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR 250
166#define DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR 10
167#define DEFAULT0_E2_BRB_MAC_FULL_XON_THR 50
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000168
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000169/* BRB thresholds for E2*/
170#define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
171#define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
172
173#define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
174#define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
175
176#define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
177#define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
178
179#define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
180#define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
181
Yaniv Rosner866ceda2011-11-28 00:49:45 +0000182/* BRB default for class 0 E3A0 */
183#define DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR 290
184#define DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR 410
185#define DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR 10
186#define DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR 50
187
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000188/* BRB thresholds for E3A0 */
189#define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
190#define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
191
192#define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
193#define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
194
195#define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
196#define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
197
198#define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
199#define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
200
Yaniv Rosner866ceda2011-11-28 00:49:45 +0000201/* BRB default for E3B0 */
202#define DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR 330
203#define DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR 490
204#define DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR 15
205#define DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR 55
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000206
207/* BRB thresholds for E3B0 2 port mode*/
208#define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
209#define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
210
211#define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
212#define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
213
214#define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
215#define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
216
217#define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
218#define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
219
220/* only for E3B0*/
221#define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
222#define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
223
224/* Lossy +Lossless GUARANTIED == GUART */
225#define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
226/* Lossless +Lossless*/
227#define PFC_E3B0_2P_PAUSE_LB_GUART 236
228/* Lossy +Lossy*/
229#define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
230
231/* Lossy +Lossless*/
232#define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
233/* Lossless +Lossless*/
234#define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
235/* Lossy +Lossy*/
236#define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
237#define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
238
239#define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
240#define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
241
242/* BRB thresholds for E3B0 4 port mode */
243#define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
244#define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
245
246#define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
247#define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
248
249#define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
250#define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
251
252#define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
253#define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
254
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000255/* only for E3B0*/
256#define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
257#define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
Yaniv Rosner2f751a82011-11-28 00:49:52 +0000258#define PFC_E3B0_4P_LB_GUART 120
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000259
260#define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
Yaniv Rosner2f751a82011-11-28 00:49:52 +0000261#define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000262
263#define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
Yaniv Rosner2f751a82011-11-28 00:49:52 +0000264#define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000265
Yaniv Rosner866ceda2011-11-28 00:49:45 +0000266/* Pause defines*/
267#define DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR 330
268#define DEFAULT_E3B0_BRB_FULL_LB_XON_THR 490
269#define DEFAULT_E3B0_LB_GUART 40
270
271#define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART 40
272#define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST 0
273
274#define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART 40
275#define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST 0
276
277/* ETS defines*/
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000278#define DCBX_INVALID_COS (0xFF)
279
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000280#define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
281#define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000282#define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
283#define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
284#define ETS_E3B0_PBF_MIN_W_VAL (10000)
285
286#define MAX_PACKET_SIZE (9700)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000287#define WC_UC_TIMEOUT 100
Yaniv Rosnera9077bf2011-10-27 05:09:46 +0000288#define MAX_KR_LINK_RETRY 4
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000289
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700290/**********************************************************/
291/* INTERFACE */
292/**********************************************************/
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000293
Yaniv Rosnercd2be892011-01-31 04:21:45 +0000294#define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000295 bnx2x_cl45_write(_bp, _phy, \
Yaniv Rosner7aa07112010-09-07 11:41:01 +0000296 (_phy)->def_md_devad, \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700297 (_bank + (_addr & 0xf)), \
298 _val)
299
Yaniv Rosnercd2be892011-01-31 04:21:45 +0000300#define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000301 bnx2x_cl45_read(_bp, _phy, \
Yaniv Rosner7aa07112010-09-07 11:41:01 +0000302 (_phy)->def_md_devad, \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700303 (_bank + (_addr & 0xf)), \
304 _val)
305
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700306static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
307{
308 u32 val = REG_RD(bp, reg);
309
310 val |= bits;
311 REG_WR(bp, reg, val);
312 return val;
313}
314
315static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
316{
317 u32 val = REG_RD(bp, reg);
318
319 val &= ~bits;
320 REG_WR(bp, reg, val);
321 return val;
322}
323
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000324/******************************************************************/
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000325/* EPIO/GPIO section */
326/******************************************************************/
Yaniv Rosner3deb8162011-06-14 01:34:33 +0000327static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
328{
329 u32 epio_mask, gp_oenable;
330 *en = 0;
331 /* Sanity check */
332 if (epio_pin > 31) {
333 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
334 return;
335 }
336
337 epio_mask = 1 << epio_pin;
338 /* Set this EPIO to output */
339 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
340 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
341
342 *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
343}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000344static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
345{
346 u32 epio_mask, gp_output, gp_oenable;
347
348 /* Sanity check */
349 if (epio_pin > 31) {
350 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
351 return;
352 }
353 DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
354 epio_mask = 1 << epio_pin;
355 /* Set this EPIO to output */
356 gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
357 if (en)
358 gp_output |= epio_mask;
359 else
360 gp_output &= ~epio_mask;
361
362 REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
363
364 /* Set the value for this EPIO */
365 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
366 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
367}
368
369static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
370{
371 if (pin_cfg == PIN_CFG_NA)
372 return;
373 if (pin_cfg >= PIN_CFG_EPIO0) {
374 bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
375 } else {
376 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
377 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
378 bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
379 }
380}
381
Yaniv Rosner3deb8162011-06-14 01:34:33 +0000382static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
383{
384 if (pin_cfg == PIN_CFG_NA)
385 return -EINVAL;
386 if (pin_cfg >= PIN_CFG_EPIO0) {
387 bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
388 } else {
389 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
390 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
391 *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
392 }
393 return 0;
394
395}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000396/******************************************************************/
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000397/* ETS section */
398/******************************************************************/
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000399static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000400{
401 /* ETS disabled configuration*/
402 struct bnx2x *bp = params->bp;
403
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000404 DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000405
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000406 /* mapping between entry priority to client number (0,1,2 -debug and
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000407 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
408 * 3bits client num.
409 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
410 * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
411 */
412
413 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000414 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000415 * as strict. Bits 0,1,2 - debug and management entries, 3 -
416 * COS0 entry, 4 - COS1 entry.
417 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
418 * bit4 bit3 bit2 bit1 bit0
419 * MCP and debug are strict
420 */
421
422 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
423 /* defines which entries (clients) are subjected to WFQ arbitration */
424 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000425 /* For strict priority entries defines the number of consecutive
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000426 * slots for the highest priority.
427 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000428 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000429 /* mapping between the CREDIT_WEIGHT registers and actual client
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000430 * numbers
431 */
432 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
433 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
434 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
435
436 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
437 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
438 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
439 /* ETS mode disable */
440 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000441 /* If ETS mode is enabled (there is no strict priority) defines a WFQ
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000442 * weight for COS0/COS1.
443 */
444 REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
445 REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
446 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
447 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
448 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
449 /* Defines the number of consecutive slots for the strict priority */
450 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
451}
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000452/******************************************************************************
453* Description:
454* Getting min_w_val will be set according to line speed .
455*.
456******************************************************************************/
457static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
458{
459 u32 min_w_val = 0;
460 /* Calculate min_w_val.*/
461 if (vars->link_up) {
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000462 if (vars->line_speed == SPEED_20000)
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000463 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
464 else
465 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
466 } else
467 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000468 /* If the link isn't up (static configuration for example ) The
469 * link will be according to 20GBPS.
470 */
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000471 return min_w_val;
472}
473/******************************************************************************
474* Description:
475* Getting credit upper bound form min_w_val.
476*.
477******************************************************************************/
478static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
479{
480 const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
481 MAX_PACKET_SIZE);
482 return credit_upper_bound;
483}
484/******************************************************************************
485* Description:
486* Set credit upper bound for NIG.
487*.
488******************************************************************************/
489static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
490 const struct link_params *params,
491 const u32 min_w_val)
492{
493 struct bnx2x *bp = params->bp;
494 const u8 port = params->port;
495 const u32 credit_upper_bound =
496 bnx2x_ets_get_credit_upper_bound(min_w_val);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000497
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000498 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
499 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
500 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
501 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
502 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
503 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
504 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
505 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
506 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
507 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
508 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
509 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
510
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000511 if (!port) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000512 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
513 credit_upper_bound);
514 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
515 credit_upper_bound);
516 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
517 credit_upper_bound);
518 }
519}
520/******************************************************************************
521* Description:
522* Will return the NIG ETS registers to init values.Except
523* credit_upper_bound.
524* That isn't used in this configuration (No WFQ is enabled) and will be
525* configured acording to spec
526*.
527******************************************************************************/
528static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
529 const struct link_vars *vars)
530{
531 struct bnx2x *bp = params->bp;
532 const u8 port = params->port;
533 const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000534 /* Mapping between entry priority to client number (0,1,2 -debug and
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000535 * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
536 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
537 * reset value or init tool
538 */
539 if (port) {
540 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
541 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
542 } else {
543 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
544 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
545 }
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000546 /* For strict priority entries defines the number of consecutive
547 * slots for the highest priority.
548 */
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000549 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
550 NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000551 /* Mapping between the CREDIT_WEIGHT registers and actual client
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000552 * numbers
553 */
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000554 if (port) {
555 /*Port 1 has 6 COS*/
556 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
557 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
558 } else {
559 /*Port 0 has 9 COS*/
560 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
561 0x43210876);
562 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
563 }
564
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000565 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000566 * as strict. Bits 0,1,2 - debug and management entries, 3 -
567 * COS0 entry, 4 - COS1 entry.
568 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
569 * bit4 bit3 bit2 bit1 bit0
570 * MCP and debug are strict
571 */
572 if (port)
573 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
574 else
575 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
576 /* defines which entries (clients) are subjected to WFQ arbitration */
577 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
578 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
579
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000580 /* Please notice the register address are note continuous and a
581 * for here is note appropriate.In 2 port mode port0 only COS0-5
582 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
583 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
584 * are never used for WFQ
585 */
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000586 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
587 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
588 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
589 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
590 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
591 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
592 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
593 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
594 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
595 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
596 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
597 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000598 if (!port) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000599 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
600 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
601 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
602 }
603
604 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
605}
606/******************************************************************************
607* Description:
608* Set credit upper bound for PBF.
609*.
610******************************************************************************/
611static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
612 const struct link_params *params,
613 const u32 min_w_val)
614{
615 struct bnx2x *bp = params->bp;
616 const u32 credit_upper_bound =
617 bnx2x_ets_get_credit_upper_bound(min_w_val);
618 const u8 port = params->port;
619 u32 base_upper_bound = 0;
620 u8 max_cos = 0;
621 u8 i = 0;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000622 /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
623 * port mode port1 has COS0-2 that can be used for WFQ.
624 */
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000625 if (!port) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000626 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
627 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
628 } else {
629 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
630 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
631 }
632
633 for (i = 0; i < max_cos; i++)
634 REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
635}
636
637/******************************************************************************
638* Description:
639* Will return the PBF ETS registers to init values.Except
640* credit_upper_bound.
641* That isn't used in this configuration (No WFQ is enabled) and will be
642* configured acording to spec
643*.
644******************************************************************************/
645static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
646{
647 struct bnx2x *bp = params->bp;
648 const u8 port = params->port;
649 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
650 u8 i = 0;
651 u32 base_weight = 0;
652 u8 max_cos = 0;
653
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000654 /* Mapping between entry priority to client number 0 - COS0
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000655 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
656 * TODO_ETS - Should be done by reset value or init tool
657 */
658 if (port)
659 /* 0x688 (|011|0 10|00 1|000) */
660 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
661 else
662 /* (10 1|100 |011|0 10|00 1|000) */
663 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
664
665 /* TODO_ETS - Should be done by reset value or init tool */
666 if (port)
667 /* 0x688 (|011|0 10|00 1|000)*/
668 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
669 else
670 /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
671 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
672
673 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
674 PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
675
676
677 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
678 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
679
680 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
681 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000682 /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
683 * In 4 port mode port1 has COS0-2 that can be used for WFQ.
684 */
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000685 if (!port) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000686 base_weight = PBF_REG_COS0_WEIGHT_P0;
687 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
688 } else {
689 base_weight = PBF_REG_COS0_WEIGHT_P1;
690 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
691 }
692
693 for (i = 0; i < max_cos; i++)
694 REG_WR(bp, base_weight + (0x4 * i), 0);
695
696 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
697}
698/******************************************************************************
699* Description:
700* E3B0 disable will return basicly the values to init values.
701*.
702******************************************************************************/
703static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
704 const struct link_vars *vars)
705{
706 struct bnx2x *bp = params->bp;
707
708 if (!CHIP_IS_E3B0(bp)) {
Joe Perches94f05b02011-08-14 12:16:20 +0000709 DP(NETIF_MSG_LINK,
710 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000711 return -EINVAL;
712 }
713
714 bnx2x_ets_e3b0_nig_disabled(params, vars);
715
716 bnx2x_ets_e3b0_pbf_disabled(params);
717
718 return 0;
719}
720
721/******************************************************************************
722* Description:
723* Disable will return basicly the values to init values.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000724*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000725******************************************************************************/
726int bnx2x_ets_disabled(struct link_params *params,
727 struct link_vars *vars)
728{
729 struct bnx2x *bp = params->bp;
730 int bnx2x_status = 0;
731
732 if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
733 bnx2x_ets_e2e3a0_disabled(params);
734 else if (CHIP_IS_E3B0(bp))
735 bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
736 else {
737 DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
738 return -EINVAL;
739 }
740
741 return bnx2x_status;
742}
743
744/******************************************************************************
745* Description
746* Set the COS mappimg to SP and BW until this point all the COS are not
747* set as SP or BW.
748******************************************************************************/
749static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
750 const struct bnx2x_ets_params *ets_params,
751 const u8 cos_sp_bitmap,
752 const u8 cos_bw_bitmap)
753{
754 struct bnx2x *bp = params->bp;
755 const u8 port = params->port;
756 const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
757 const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
758 const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
759 const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
760
761 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
762 NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
763
764 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
765 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
766
767 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
768 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
769 nig_cli_subject2wfq_bitmap);
770
771 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
772 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
773 pbf_cli_subject2wfq_bitmap);
774
775 return 0;
776}
777
778/******************************************************************************
779* Description:
780* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
781* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
782******************************************************************************/
783static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
784 const u8 cos_entry,
785 const u32 min_w_val_nig,
786 const u32 min_w_val_pbf,
787 const u16 total_bw,
788 const u8 bw,
789 const u8 port)
790{
791 u32 nig_reg_adress_crd_weight = 0;
792 u32 pbf_reg_adress_crd_weight = 0;
David S. Miller8decf862011-09-22 03:23:13 -0400793 /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
794 const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
795 const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000796
797 switch (cos_entry) {
798 case 0:
799 nig_reg_adress_crd_weight =
800 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
801 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
802 pbf_reg_adress_crd_weight = (port) ?
803 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
804 break;
805 case 1:
806 nig_reg_adress_crd_weight = (port) ?
807 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
808 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
809 pbf_reg_adress_crd_weight = (port) ?
810 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
811 break;
812 case 2:
813 nig_reg_adress_crd_weight = (port) ?
814 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
815 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
816
817 pbf_reg_adress_crd_weight = (port) ?
818 PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
819 break;
820 case 3:
821 if (port)
822 return -EINVAL;
823 nig_reg_adress_crd_weight =
824 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
825 pbf_reg_adress_crd_weight =
826 PBF_REG_COS3_WEIGHT_P0;
827 break;
828 case 4:
829 if (port)
830 return -EINVAL;
831 nig_reg_adress_crd_weight =
832 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
833 pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
834 break;
835 case 5:
836 if (port)
837 return -EINVAL;
838 nig_reg_adress_crd_weight =
839 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
840 pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
841 break;
842 }
843
844 REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
845
846 REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
847
848 return 0;
849}
850/******************************************************************************
851* Description:
852* Calculate the total BW.A value of 0 isn't legal.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000853*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000854******************************************************************************/
855static int bnx2x_ets_e3b0_get_total_bw(
856 const struct link_params *params,
Yaniv Rosner870516e12011-11-28 00:49:46 +0000857 struct bnx2x_ets_params *ets_params,
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000858 u16 *total_bw)
859{
860 struct bnx2x *bp = params->bp;
861 u8 cos_idx = 0;
Yaniv Rosner870516e12011-11-28 00:49:46 +0000862 u8 is_bw_cos_exist = 0;
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000863
864 *total_bw = 0 ;
865 /* Calculate total BW requested */
866 for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000867 if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
Yaniv Rosner870516e12011-11-28 00:49:46 +0000868 is_bw_cos_exist = 1;
869 if (!ets_params->cos[cos_idx].params.bw_params.bw) {
870 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
871 "was set to 0\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000872 /* This is to prevent a state when ramrods
Yaniv Rosner870516e12011-11-28 00:49:46 +0000873 * can't be sent
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000874 */
Yaniv Rosner870516e12011-11-28 00:49:46 +0000875 ets_params->cos[cos_idx].params.bw_params.bw
876 = 1;
877 }
David S. Miller8decf862011-09-22 03:23:13 -0400878 *total_bw +=
879 ets_params->cos[cos_idx].params.bw_params.bw;
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000880 }
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000881 }
882
David S. Miller8decf862011-09-22 03:23:13 -0400883 /* Check total BW is valid */
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000884 if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
885 if (*total_bw == 0) {
Joe Perches94f05b02011-08-14 12:16:20 +0000886 DP(NETIF_MSG_LINK,
Yaniv Rosner2f751a82011-11-28 00:49:52 +0000887 "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000888 return -EINVAL;
889 }
Joe Perches94f05b02011-08-14 12:16:20 +0000890 DP(NETIF_MSG_LINK,
Yaniv Rosner2f751a82011-11-28 00:49:52 +0000891 "bnx2x_ets_E3B0_config total BW should be 100\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000892 /* We can handle a case whre the BW isn't 100 this can happen
Yaniv Rosner2f751a82011-11-28 00:49:52 +0000893 * if the TC are joined.
894 */
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000895 }
896 return 0;
897}
898
899/******************************************************************************
900* Description:
901* Invalidate all the sp_pri_to_cos.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000902*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000903******************************************************************************/
904static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
905{
906 u8 pri = 0;
907 for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
908 sp_pri_to_cos[pri] = DCBX_INVALID_COS;
909}
910/******************************************************************************
911* Description:
912* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
913* according to sp_pri_to_cos.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000914*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000915******************************************************************************/
916static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
917 u8 *sp_pri_to_cos, const u8 pri,
918 const u8 cos_entry)
919{
920 struct bnx2x *bp = params->bp;
921 const u8 port = params->port;
922 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
923 DCBX_E3B0_MAX_NUM_COS_PORT0;
924
Dan Carpenter7e5998a2012-04-17 20:53:42 +0000925 if (pri >= max_num_of_cos) {
926 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
927 "parameter Illegal strict priority\n");
928 return -EINVAL;
929 }
930
Yaniv Rosnerde0396f2011-11-28 00:49:53 +0000931 if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000932 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
Joe Perches94f05b02011-08-14 12:16:20 +0000933 "parameter There can't be two COS's with "
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000934 "the same strict pri\n");
935 return -EINVAL;
936 }
937
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000938 sp_pri_to_cos[pri] = cos_entry;
939 return 0;
940
941}
942
943/******************************************************************************
944* Description:
945* Returns the correct value according to COS and priority in
946* the sp_pri_cli register.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000947*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000948******************************************************************************/
949static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
950 const u8 pri_set,
951 const u8 pri_offset,
952 const u8 entry_size)
953{
954 u64 pri_cli_nig = 0;
955 pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
956 (pri_set + pri_offset));
957
958 return pri_cli_nig;
959}
960/******************************************************************************
961* Description:
962* Returns the correct value according to COS and priority in the
963* sp_pri_cli register for NIG.
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000964*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000965******************************************************************************/
966static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
967{
968 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
969 const u8 nig_cos_offset = 3;
970 const u8 nig_pri_offset = 3;
971
972 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
973 nig_pri_offset, 4);
974
975}
976/******************************************************************************
977* Description:
978* Returns the correct value according to COS and priority in the
979* sp_pri_cli register for PBF.
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_pbf(const u8 cos, const u8 pri_set)
983{
984 const u8 pbf_cos_offset = 0;
985 const u8 pbf_pri_offset = 0;
986
987 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
988 pbf_pri_offset, 3);
989
990}
991
992/******************************************************************************
993* Description:
994* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
995* according to sp_pri_to_cos.(which COS has higher priority)
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +0000996*
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000997******************************************************************************/
998static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
999 u8 *sp_pri_to_cos)
1000{
1001 struct bnx2x *bp = params->bp;
1002 u8 i = 0;
1003 const u8 port = params->port;
1004 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
1005 u64 pri_cli_nig = 0x210;
1006 u32 pri_cli_pbf = 0x0;
1007 u8 pri_set = 0;
1008 u8 pri_bitmask = 0;
1009 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1010 DCBX_E3B0_MAX_NUM_COS_PORT0;
1011
1012 u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
1013
1014 /* Set all the strict priority first */
1015 for (i = 0; i < max_num_of_cos; i++) {
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001016 if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
1017 if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001018 DP(NETIF_MSG_LINK,
1019 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1020 "invalid cos entry\n");
1021 return -EINVAL;
1022 }
1023
1024 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1025 sp_pri_to_cos[i], pri_set);
1026
1027 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1028 sp_pri_to_cos[i], pri_set);
1029 pri_bitmask = 1 << sp_pri_to_cos[i];
1030 /* COS is used remove it from bitmap.*/
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001031 if (!(pri_bitmask & cos_bit_to_set)) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001032 DP(NETIF_MSG_LINK,
1033 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1034 "invalid There can't be two COS's with"
1035 " the same strict pri\n");
1036 return -EINVAL;
1037 }
1038 cos_bit_to_set &= ~pri_bitmask;
1039 pri_set++;
1040 }
1041 }
1042
1043 /* Set all the Non strict priority i= COS*/
1044 for (i = 0; i < max_num_of_cos; i++) {
1045 pri_bitmask = 1 << i;
1046 /* Check if COS was already used for SP */
1047 if (pri_bitmask & cos_bit_to_set) {
1048 /* COS wasn't used for SP */
1049 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1050 i, pri_set);
1051
1052 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1053 i, pri_set);
1054 /* COS is used remove it from bitmap.*/
1055 cos_bit_to_set &= ~pri_bitmask;
1056 pri_set++;
1057 }
1058 }
1059
1060 if (pri_set != max_num_of_cos) {
1061 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
1062 "entries were set\n");
1063 return -EINVAL;
1064 }
1065
1066 if (port) {
1067 /* Only 6 usable clients*/
1068 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1069 (u32)pri_cli_nig);
1070
1071 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
1072 } else {
1073 /* Only 9 usable clients*/
1074 const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
1075 const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
1076
1077 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1078 pri_cli_nig_lsb);
1079 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1080 pri_cli_nig_msb);
1081
1082 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
1083 }
1084 return 0;
1085}
1086
1087/******************************************************************************
1088* Description:
1089* Configure the COS to ETS according to BW and SP settings.
1090******************************************************************************/
1091int bnx2x_ets_e3b0_config(const struct link_params *params,
1092 const struct link_vars *vars,
Yaniv Rosner870516e12011-11-28 00:49:46 +00001093 struct bnx2x_ets_params *ets_params)
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001094{
1095 struct bnx2x *bp = params->bp;
1096 int bnx2x_status = 0;
1097 const u8 port = params->port;
1098 u16 total_bw = 0;
1099 const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
1100 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
1101 u8 cos_bw_bitmap = 0;
1102 u8 cos_sp_bitmap = 0;
1103 u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
1104 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1105 DCBX_E3B0_MAX_NUM_COS_PORT0;
1106 u8 cos_entry = 0;
1107
1108 if (!CHIP_IS_E3B0(bp)) {
Joe Perches94f05b02011-08-14 12:16:20 +00001109 DP(NETIF_MSG_LINK,
1110 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001111 return -EINVAL;
1112 }
1113
1114 if ((ets_params->num_of_cos > max_num_of_cos)) {
1115 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
1116 "isn't supported\n");
1117 return -EINVAL;
1118 }
1119
1120 /* Prepare sp strict priority parameters*/
1121 bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1122
1123 /* Prepare BW parameters*/
1124 bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
1125 &total_bw);
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001126 if (bnx2x_status) {
Joe Perches94f05b02011-08-14 12:16:20 +00001127 DP(NETIF_MSG_LINK,
1128 "bnx2x_ets_E3B0_config get_total_bw failed\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001129 return -EINVAL;
1130 }
1131
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001132 /* Upper bound is set according to current link speed (min_w_val
Yaniv Rosner2f751a82011-11-28 00:49:52 +00001133 * should be the same for upper bound and COS credit val).
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001134 */
1135 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
1136 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1137
1138
1139 for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
1140 if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
1141 cos_bw_bitmap |= (1 << cos_entry);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001142 /* The function also sets the BW in HW(not the mappin
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001143 * yet)
1144 */
1145 bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
1146 bp, cos_entry, min_w_val_nig, min_w_val_pbf,
1147 total_bw,
1148 ets_params->cos[cos_entry].params.bw_params.bw,
1149 port);
1150 } else if (bnx2x_cos_state_strict ==
1151 ets_params->cos[cos_entry].state){
1152 cos_sp_bitmap |= (1 << cos_entry);
1153
1154 bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
1155 params,
1156 sp_pri_to_cos,
1157 ets_params->cos[cos_entry].params.sp_params.pri,
1158 cos_entry);
1159
1160 } else {
Joe Perches94f05b02011-08-14 12:16:20 +00001161 DP(NETIF_MSG_LINK,
1162 "bnx2x_ets_e3b0_config cos state not valid\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001163 return -EINVAL;
1164 }
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001165 if (bnx2x_status) {
Joe Perches94f05b02011-08-14 12:16:20 +00001166 DP(NETIF_MSG_LINK,
1167 "bnx2x_ets_e3b0_config set cos bw failed\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001168 return bnx2x_status;
1169 }
1170 }
1171
1172 /* Set SP register (which COS has higher priority) */
1173 bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
1174 sp_pri_to_cos);
1175
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001176 if (bnx2x_status) {
Joe Perches94f05b02011-08-14 12:16:20 +00001177 DP(NETIF_MSG_LINK,
1178 "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001179 return bnx2x_status;
1180 }
1181
1182 /* Set client mapping of BW and strict */
1183 bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
1184 cos_sp_bitmap,
1185 cos_bw_bitmap);
1186
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001187 if (bnx2x_status) {
Yaniv Rosner6c3218c2011-06-14 01:34:23 +00001188 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
1189 return bnx2x_status;
1190 }
1191 return 0;
1192}
Yaniv Rosner65a001b2011-01-31 04:22:03 +00001193static void bnx2x_ets_bw_limit_common(const struct link_params *params)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001194{
1195 /* ETS disabled configuration */
1196 struct bnx2x *bp = params->bp;
1197 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001198 /* Defines which entries (clients) are subjected to WFQ arbitration
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001199 * COS0 0x8
1200 * COS1 0x10
1201 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001202 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001203 /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001204 * client numbers (WEIGHT_0 does not actually have to represent
1205 * client 0)
1206 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1207 * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
1208 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001209 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
1210
1211 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
1212 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1213 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
1214 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1215
1216 /* ETS mode enabled*/
1217 REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
1218
1219 /* Defines the number of consecutive slots for the strict priority */
1220 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001221 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001222 * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
1223 * entry, 4 - COS1 entry.
1224 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1225 * bit4 bit3 bit2 bit1 bit0
1226 * MCP and debug are strict
1227 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001228 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
1229
1230 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
1231 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
1232 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1233 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
1234 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1235}
1236
1237void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
1238 const u32 cos1_bw)
1239{
1240 /* ETS disabled configuration*/
1241 struct bnx2x *bp = params->bp;
1242 const u32 total_bw = cos0_bw + cos1_bw;
1243 u32 cos0_credit_weight = 0;
1244 u32 cos1_credit_weight = 0;
1245
1246 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1247
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001248 if ((!total_bw) ||
1249 (!cos0_bw) ||
1250 (!cos1_bw)) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001251 DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001252 return;
1253 }
1254
1255 cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1256 total_bw;
1257 cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1258 total_bw;
1259
1260 bnx2x_ets_bw_limit_common(params);
1261
1262 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
1263 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
1264
1265 REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
1266 REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
1267}
1268
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001269int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001270{
1271 /* ETS disabled configuration*/
1272 struct bnx2x *bp = params->bp;
1273 u32 val = 0;
1274
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001275 DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001276 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001277 * as strict. Bits 0,1,2 - debug and management entries,
1278 * 3 - COS0 entry, 4 - COS1 entry.
1279 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1280 * bit4 bit3 bit2 bit1 bit0
1281 * MCP and debug are strict
1282 */
1283 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001284 /* For strict priority entries defines the number of consecutive slots
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001285 * for the highest priority.
1286 */
1287 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1288 /* ETS mode disable */
1289 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
1290 /* Defines the number of consecutive slots for the strict priority */
1291 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
1292
1293 /* Defines the number of consecutive slots for the strict priority */
1294 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
1295
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001296 /* Mapping between entry priority to client number (0,1,2 -debug and
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001297 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
1298 * 3bits client num.
1299 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1300 * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
1301 * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
1302 */
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001303 val = (!strict_cos) ? 0x2318 : 0x22E0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001304 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
1305
1306 return 0;
1307}
Yuval Mintzc8c60d82012-06-06 17:13:07 +00001308
1309/******************************************************************/
1310/* EEE section */
1311/******************************************************************/
1312static u8 bnx2x_eee_has_cap(struct link_params *params)
1313{
1314 struct bnx2x *bp = params->bp;
1315
1316 if (REG_RD(bp, params->shmem2_base) <=
1317 offsetof(struct shmem2_region, eee_status[params->port]))
1318 return 0;
1319
1320 return 1;
1321}
1322
1323static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
1324{
1325 switch (nvram_mode) {
1326 case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
1327 *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
1328 break;
1329 case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
1330 *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
1331 break;
1332 case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
1333 *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
1334 break;
1335 default:
1336 *idle_timer = 0;
1337 break;
1338 }
1339
1340 return 0;
1341}
1342
1343static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
1344{
1345 switch (idle_timer) {
1346 case EEE_MODE_NVRAM_BALANCED_TIME:
1347 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
1348 break;
1349 case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
1350 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
1351 break;
1352 case EEE_MODE_NVRAM_LATENCY_TIME:
1353 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
1354 break;
1355 default:
1356 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
1357 break;
1358 }
1359
1360 return 0;
1361}
1362
1363static u32 bnx2x_eee_calc_timer(struct link_params *params)
1364{
1365 u32 eee_mode, eee_idle;
1366 struct bnx2x *bp = params->bp;
1367
1368 if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
1369 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
1370 /* time value in eee_mode --> used directly*/
1371 eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
1372 } else {
1373 /* hsi value in eee_mode --> time */
1374 if (bnx2x_eee_nvram_to_time(params->eee_mode &
1375 EEE_MODE_NVRAM_MASK,
1376 &eee_idle))
1377 return 0;
1378 }
1379 } else {
1380 /* hsi values in nvram --> time*/
1381 eee_mode = ((REG_RD(bp, params->shmem_base +
1382 offsetof(struct shmem_region, dev_info.
1383 port_feature_config[params->port].
1384 eee_power_mode)) &
1385 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
1386 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
1387
1388 if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
1389 return 0;
1390 }
1391
1392 return eee_idle;
1393}
1394
1395
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001396/******************************************************************/
Dmitry Kravkove8920672011-05-04 23:52:40 +00001397/* PFC section */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001398/******************************************************************/
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001399static void bnx2x_update_pfc_xmac(struct link_params *params,
1400 struct link_vars *vars,
1401 u8 is_lb)
1402{
1403 struct bnx2x *bp = params->bp;
1404 u32 xmac_base;
1405 u32 pause_val, pfc0_val, pfc1_val;
1406
1407 /* XMAC base adrr */
1408 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1409
1410 /* Initialize pause and pfc registers */
1411 pause_val = 0x18000;
1412 pfc0_val = 0xFFFF8000;
1413 pfc1_val = 0x2;
1414
1415 /* No PFC support */
1416 if (!(params->feature_config_flags &
1417 FEATURE_CONFIG_PFC_ENABLED)) {
1418
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001419 /* RX flow control - Process pause frame in receive direction
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001420 */
1421 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1422 pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
1423
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001424 /* TX flow control - Send pause packet when buffer is full */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001425 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1426 pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
1427 } else {/* PFC support */
1428 pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
1429 XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
1430 XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
Yaniv Rosner27d91292012-04-04 01:28:54 +00001431 XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
1432 XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1433 /* Write pause and PFC registers */
1434 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1435 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1436 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1437 pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1438
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001439 }
1440
1441 /* Write pause and PFC registers */
1442 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1443 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1444 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1445
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001446
1447 /* Set MAC address for source TX Pause/PFC frames */
1448 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
1449 ((params->mac_addr[2] << 24) |
1450 (params->mac_addr[3] << 16) |
1451 (params->mac_addr[4] << 8) |
1452 (params->mac_addr[5])));
1453 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
1454 ((params->mac_addr[0] << 8) |
1455 (params->mac_addr[1])));
1456
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001457 udelay(30);
1458}
1459
1460
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001461static void bnx2x_emac_get_pfc_stat(struct link_params *params,
1462 u32 pfc_frames_sent[2],
1463 u32 pfc_frames_received[2])
1464{
1465 /* Read pfc statistic */
1466 struct bnx2x *bp = params->bp;
1467 u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1468 u32 val_xon = 0;
1469 u32 val_xoff = 0;
1470
1471 DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
1472
1473 /* PFC received frames */
1474 val_xoff = REG_RD(bp, emac_base +
1475 EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
1476 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
1477 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
1478 val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
1479
1480 pfc_frames_received[0] = val_xon + val_xoff;
1481
1482 /* PFC received sent */
1483 val_xoff = REG_RD(bp, emac_base +
1484 EMAC_REG_RX_PFC_STATS_XOFF_SENT);
1485 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
1486 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
1487 val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
1488
1489 pfc_frames_sent[0] = val_xon + val_xoff;
1490}
1491
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001492/* Read pfc statistic*/
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001493void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
1494 u32 pfc_frames_sent[2],
1495 u32 pfc_frames_received[2])
1496{
1497 /* Read pfc statistic */
1498 struct bnx2x *bp = params->bp;
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001499
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001500 DP(NETIF_MSG_LINK, "pfc statistic\n");
1501
1502 if (!vars->link_up)
1503 return;
1504
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00001505 if (vars->mac_type == MAC_TYPE_EMAC) {
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001506 DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001507 bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
1508 pfc_frames_received);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001509 }
1510}
1511/******************************************************************/
1512/* MAC/PBF section */
1513/******************************************************************/
Yaniv Rosnera198c142011-05-31 21:29:42 +00001514static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
1515{
1516 u32 mode, emac_base;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001517 /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
Yaniv Rosnera198c142011-05-31 21:29:42 +00001518 * (a value of 49==0x31) and make sure that the AUTO poll is off
1519 */
1520
1521 if (CHIP_IS_E2(bp))
1522 emac_base = GRCBASE_EMAC0;
1523 else
1524 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1525 mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
1526 mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
1527 EMAC_MDIO_MODE_CLOCK_CNT);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00001528 if (USES_WARPCORE(bp))
1529 mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
1530 else
1531 mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
Yaniv Rosnera198c142011-05-31 21:29:42 +00001532
1533 mode |= (EMAC_MDIO_MODE_CLAUSE_45);
1534 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
1535
1536 udelay(40);
1537}
Yaniv Rosner2f751a82011-11-28 00:49:52 +00001538static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
1539{
1540 u32 port4mode_ovwr_val;
1541 /* Check 4-port override enabled */
1542 port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
1543 if (port4mode_ovwr_val & (1<<0)) {
1544 /* Return 4-port mode override value */
1545 return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
1546 }
1547 /* Return 4-port mode from input pin */
1548 return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
1549}
Yaniv Rosnera198c142011-05-31 21:29:42 +00001550
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001551static void bnx2x_emac_init(struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001552 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001553{
1554 /* reset and unreset the emac core */
1555 struct bnx2x *bp = params->bp;
1556 u8 port = params->port;
1557 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1558 u32 val;
1559 u16 timeout;
1560
1561 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001562 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001563 udelay(5);
1564 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001565 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001566
1567 /* init emac - use read-modify-write */
1568 /* self clear reset */
1569 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
Eilon Greenstein3196a882008-08-13 15:58:49 -07001570 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001571
1572 timeout = 200;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001573 do {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001574 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1575 DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
1576 if (!timeout) {
1577 DP(NETIF_MSG_LINK, "EMAC timeout!\n");
1578 return;
1579 }
1580 timeout--;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001581 } while (val & EMAC_MODE_RESET);
Yaniv Rosnera198c142011-05-31 21:29:42 +00001582 bnx2x_set_mdio_clk(bp, params->chip_id, port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001583 /* Set mac address */
1584 val = ((params->mac_addr[0] << 8) |
1585 params->mac_addr[1]);
Eilon Greenstein3196a882008-08-13 15:58:49 -07001586 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001587
1588 val = ((params->mac_addr[2] << 24) |
1589 (params->mac_addr[3] << 16) |
1590 (params->mac_addr[4] << 8) |
1591 params->mac_addr[5]);
Eilon Greenstein3196a882008-08-13 15:58:49 -07001592 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001593}
1594
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001595static void bnx2x_set_xumac_nig(struct link_params *params,
1596 u16 tx_pause_en,
1597 u8 enable)
1598{
1599 struct bnx2x *bp = params->bp;
1600
1601 REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
1602 enable);
1603 REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
1604 enable);
1605 REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
1606 NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
1607}
1608
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001609static void bnx2x_umac_disable(struct link_params *params)
1610{
1611 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1612 struct bnx2x *bp = params->bp;
1613 if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
1614 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
1615 return;
1616
1617 /* Disable RX and TX */
1618 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, 0);
1619}
1620
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001621static void bnx2x_umac_enable(struct link_params *params,
1622 struct link_vars *vars, u8 lb)
1623{
1624 u32 val;
1625 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1626 struct bnx2x *bp = params->bp;
1627 /* Reset UMAC */
1628 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1629 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1630 usleep_range(1000, 1000);
1631
1632 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1633 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1634
1635 DP(NETIF_MSG_LINK, "enabling UMAC\n");
1636
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001637 /* This register opens the gate for the UMAC despite its name */
1638 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
1639
1640 val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
1641 UMAC_COMMAND_CONFIG_REG_PAD_EN |
1642 UMAC_COMMAND_CONFIG_REG_SW_RESET |
1643 UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
1644 switch (vars->line_speed) {
1645 case SPEED_10:
1646 val |= (0<<2);
1647 break;
1648 case SPEED_100:
1649 val |= (1<<2);
1650 break;
1651 case SPEED_1000:
1652 val |= (2<<2);
1653 break;
1654 case SPEED_2500:
1655 val |= (3<<2);
1656 break;
1657 default:
1658 DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
1659 vars->line_speed);
1660 break;
1661 }
Yaniv Rosner9d5b36b2011-08-02 22:59:10 +00001662 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1663 val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
1664
1665 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1666 val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
1667
Mintz Yuvale18c56b2012-02-15 02:10:23 +00001668 if (vars->duplex == DUPLEX_HALF)
1669 val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
1670
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001671 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1672 udelay(50);
1673
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001674 /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
1675 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
1676 ((params->mac_addr[2] << 24) |
1677 (params->mac_addr[3] << 16) |
1678 (params->mac_addr[4] << 8) |
1679 (params->mac_addr[5])));
1680 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
1681 ((params->mac_addr[0] << 8) |
1682 (params->mac_addr[1])));
1683
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001684 /* Enable RX and TX */
1685 val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
1686 val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00001687 UMAC_COMMAND_CONFIG_REG_RX_ENA;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001688 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1689 udelay(50);
1690
1691 /* Remove SW Reset */
1692 val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
1693
1694 /* Check loopback mode */
1695 if (lb)
1696 val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
1697 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1698
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001699 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001700 * length used by the MAC receive logic to check frames.
1701 */
1702 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
1703 bnx2x_set_xumac_nig(params,
1704 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1705 vars->mac_type = MAC_TYPE_UMAC;
1706
1707}
1708
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001709/* Define the XMAC mode */
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001710static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001711{
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001712 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001713 u32 is_port4mode = bnx2x_is_4_port_mode(bp);
1714
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001715 /* In 4-port mode, need to set the mode only once, so if XMAC is
Yaniv Rosner2f751a82011-11-28 00:49:52 +00001716 * already out of reset, it means the mode has already been set,
1717 * and it must not* reset the XMAC again, since it controls both
1718 * ports of the path
1719 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001720
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001721 if ((CHIP_NUM(bp) == CHIP_NUM_57840) &&
1722 (REG_RD(bp, MISC_REG_RESET_REG_2) &
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001723 MISC_REGISTERS_RESET_REG_2_XMAC)) {
Joe Perches94f05b02011-08-14 12:16:20 +00001724 DP(NETIF_MSG_LINK,
1725 "XMAC already out of reset in 4-port mode\n");
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001726 return;
1727 }
1728
1729 /* Hard reset */
1730 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1731 MISC_REGISTERS_RESET_REG_2_XMAC);
1732 usleep_range(1000, 1000);
1733
1734 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1735 MISC_REGISTERS_RESET_REG_2_XMAC);
1736 if (is_port4mode) {
1737 DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
1738
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001739 /* Set the number of ports on the system side to up to 2 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001740 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
1741
1742 /* Set the number of ports on the Warp Core to 10G */
1743 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1744 } else {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001745 /* Set the number of ports on the system side to 1 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001746 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
1747 if (max_speed == SPEED_10000) {
Joe Perches94f05b02011-08-14 12:16:20 +00001748 DP(NETIF_MSG_LINK,
1749 "Init XMAC to 10G x 1 port per path\n");
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001750 /* Set the number of ports on the Warp Core to 10G */
1751 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1752 } else {
Joe Perches94f05b02011-08-14 12:16:20 +00001753 DP(NETIF_MSG_LINK,
1754 "Init XMAC to 20G x 2 ports per path\n");
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001755 /* Set the number of ports on the Warp Core to 20G */
1756 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
1757 }
1758 }
1759 /* Soft reset */
1760 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1761 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1762 usleep_range(1000, 1000);
1763
1764 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1765 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1766
1767}
1768
1769static void bnx2x_xmac_disable(struct link_params *params)
1770{
1771 u8 port = params->port;
1772 struct bnx2x *bp = params->bp;
Yaniv Rosnerb5077662011-08-02 22:59:18 +00001773 u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001774
1775 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1776 MISC_REGISTERS_RESET_REG_2_XMAC) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001777 /* Send an indication to change the state in the NIG back to XON
Yaniv Rosnerb5077662011-08-02 22:59:18 +00001778 * Clearing this bit enables the next set of this bit to get
1779 * rising edge
1780 */
1781 pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
1782 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1783 (pfc_ctrl & ~(1<<1)));
1784 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1785 (pfc_ctrl | (1<<1)));
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001786 DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
1787 REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001788 }
1789}
1790
1791static int bnx2x_xmac_enable(struct link_params *params,
1792 struct link_vars *vars, u8 lb)
1793{
1794 u32 val, xmac_base;
1795 struct bnx2x *bp = params->bp;
1796 DP(NETIF_MSG_LINK, "enabling XMAC\n");
1797
1798 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1799
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00001800 bnx2x_xmac_init(params, vars->line_speed);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001801
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001802 /* This register determines on which events the MAC will assert
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001803 * error on the i/f to the NIG along w/ EOP.
1804 */
1805
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001806 /* This register tells the NIG whether to send traffic to UMAC
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001807 * or XMAC
1808 */
1809 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
1810
1811 /* Set Max packet size */
1812 REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
1813
1814 /* CRC append for Tx packets */
1815 REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
1816
1817 /* update PFC */
1818 bnx2x_update_pfc_xmac(params, vars, 0);
1819
Yuval Mintzc8c60d82012-06-06 17:13:07 +00001820 if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1821 DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
1822 REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
1823 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
1824 } else {
1825 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
1826 }
1827
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001828 /* Enable TX and RX */
1829 val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
1830
1831 /* Check loopback mode */
1832 if (lb)
David S. Miller8decf862011-09-22 03:23:13 -04001833 val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001834 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1835 bnx2x_set_xumac_nig(params,
1836 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1837
1838 vars->mac_type = MAC_TYPE_XMAC;
1839
1840 return 0;
1841}
Yaniv Rosner2f751a82011-11-28 00:49:52 +00001842
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001843static int bnx2x_emac_enable(struct link_params *params,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00001844 struct link_vars *vars, u8 lb)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001845{
1846 struct bnx2x *bp = params->bp;
1847 u8 port = params->port;
1848 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1849 u32 val;
1850
1851 DP(NETIF_MSG_LINK, "enabling EMAC\n");
1852
Yaniv Rosnerde6f3372011-08-02 22:59:25 +00001853 /* Disable BMAC */
1854 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1855 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1856
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001857 /* enable emac and not bmac */
1858 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
1859
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001860 /* ASIC */
1861 if (vars->phy_flags & PHY_XGXS_FLAG) {
1862 u32 ser_lane = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001863 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1864 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001865
1866 DP(NETIF_MSG_LINK, "XGXS\n");
1867 /* select the master lanes (out of 0-3) */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001868 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001869 /* select XGXS */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001870 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001871
1872 } else { /* SerDes */
1873 DP(NETIF_MSG_LINK, "SerDes\n");
1874 /* select SerDes */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001875 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001876 }
1877
Eilon Greenstein811a2f22009-02-12 08:37:04 +00001878 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001879 EMAC_RX_MODE_RESET);
Eilon Greenstein811a2f22009-02-12 08:37:04 +00001880 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001881 EMAC_TX_MODE_RESET);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001882
1883 if (CHIP_REV_IS_SLOW(bp)) {
1884 /* config GMII mode */
1885 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001886 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001887 } else { /* ASIC */
1888 /* pause enable/disable */
1889 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1890 EMAC_RX_MODE_FLOW_EN);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001891
1892 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001893 (EMAC_TX_MODE_EXT_PAUSE_EN |
1894 EMAC_TX_MODE_FLOW_EN));
1895 if (!(params->feature_config_flags &
1896 FEATURE_CONFIG_PFC_ENABLED)) {
1897 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1898 bnx2x_bits_en(bp, emac_base +
1899 EMAC_REG_EMAC_RX_MODE,
1900 EMAC_RX_MODE_FLOW_EN);
1901
1902 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1903 bnx2x_bits_en(bp, emac_base +
1904 EMAC_REG_EMAC_TX_MODE,
1905 (EMAC_TX_MODE_EXT_PAUSE_EN |
1906 EMAC_TX_MODE_FLOW_EN));
1907 } else
1908 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1909 EMAC_TX_MODE_FLOW_EN);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001910 }
1911
1912 /* KEEP_VLAN_TAG, promiscuous */
1913 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
1914 val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001915
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00001916 /* Setting this bit causes MAC control frames (except for pause
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001917 * frames) to be passed on for processing. This setting has no
1918 * affect on the operation of the pause frames. This bit effects
1919 * all packets regardless of RX Parser packet sorting logic.
1920 * Turn the PFC off to make sure we are in Xon state before
1921 * enabling it.
1922 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001923 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
1924 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1925 DP(NETIF_MSG_LINK, "PFC is enabled\n");
1926 /* Enable PFC again */
1927 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
1928 EMAC_REG_RX_PFC_MODE_RX_EN |
1929 EMAC_REG_RX_PFC_MODE_TX_EN |
1930 EMAC_REG_RX_PFC_MODE_PRIORITIES);
1931
1932 EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
1933 ((0x0101 <<
1934 EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
1935 (0x00ff <<
1936 EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
1937 val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
1938 }
Eilon Greenstein3196a882008-08-13 15:58:49 -07001939 EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001940
1941 /* Set Loopback */
1942 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1943 if (lb)
1944 val |= 0x810;
1945 else
1946 val &= ~0x810;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001947 EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001948
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001949 /* enable emac */
1950 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
1951
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001952 /* enable emac for jumbo packets */
Eilon Greenstein3196a882008-08-13 15:58:49 -07001953 EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001954 (EMAC_RX_MTU_SIZE_JUMBO_ENA |
1955 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
1956
1957 /* strip CRC */
1958 REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
1959
1960 /* disable the NIG in/out to the bmac */
1961 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
1962 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
1963 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
1964
1965 /* enable the NIG in/out to the emac */
1966 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
1967 val = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001968 if ((params->feature_config_flags &
1969 FEATURE_CONFIG_PFC_ENABLED) ||
1970 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001971 val = 1;
1972
1973 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
1974 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
1975
Yaniv Rosner02a23162011-01-31 04:22:53 +00001976 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001977
1978 vars->mac_type = MAC_TYPE_EMAC;
1979 return 0;
1980}
1981
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001982static void bnx2x_update_pfc_bmac1(struct link_params *params,
1983 struct link_vars *vars)
1984{
1985 u32 wb_data[2];
1986 struct bnx2x *bp = params->bp;
1987 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1988 NIG_REG_INGRESS_BMAC0_MEM;
1989
1990 u32 val = 0x14;
1991 if ((!(params->feature_config_flags &
1992 FEATURE_CONFIG_PFC_ENABLED)) &&
1993 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1994 /* Enable BigMAC to react on received Pause packets */
1995 val |= (1<<5);
1996 wb_data[0] = val;
1997 wb_data[1] = 0;
1998 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
1999
2000 /* tx control */
2001 val = 0xc0;
2002 if (!(params->feature_config_flags &
2003 FEATURE_CONFIG_PFC_ENABLED) &&
2004 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2005 val |= 0x800000;
2006 wb_data[0] = val;
2007 wb_data[1] = 0;
2008 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
2009}
2010
2011static void bnx2x_update_pfc_bmac2(struct link_params *params,
2012 struct link_vars *vars,
2013 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002014{
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002015 /* Set rx control: Strip CRC and enable BigMAC to relay
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002016 * control packets to the system as well
2017 */
2018 u32 wb_data[2];
2019 struct bnx2x *bp = params->bp;
2020 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
2021 NIG_REG_INGRESS_BMAC0_MEM;
2022 u32 val = 0x14;
2023
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002024 if ((!(params->feature_config_flags &
2025 FEATURE_CONFIG_PFC_ENABLED)) &&
2026 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002027 /* Enable BigMAC to react on received Pause packets */
2028 val |= (1<<5);
2029 wb_data[0] = val;
2030 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002031 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002032 udelay(30);
2033
2034 /* Tx control */
2035 val = 0xc0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002036 if (!(params->feature_config_flags &
2037 FEATURE_CONFIG_PFC_ENABLED) &&
2038 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002039 val |= 0x800000;
2040 wb_data[0] = val;
2041 wb_data[1] = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002042 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002043
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002044 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
2045 DP(NETIF_MSG_LINK, "PFC is enabled\n");
2046 /* Enable PFC RX & TX & STATS and set 8 COS */
2047 wb_data[0] = 0x0;
2048 wb_data[0] |= (1<<0); /* RX */
2049 wb_data[0] |= (1<<1); /* TX */
2050 wb_data[0] |= (1<<2); /* Force initial Xon */
2051 wb_data[0] |= (1<<3); /* 8 cos */
2052 wb_data[0] |= (1<<5); /* STATS */
2053 wb_data[1] = 0;
2054 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
2055 wb_data, 2);
2056 /* Clear the force Xon */
2057 wb_data[0] &= ~(1<<2);
2058 } else {
2059 DP(NETIF_MSG_LINK, "PFC is disabled\n");
2060 /* disable PFC RX & TX & STATS and set 8 COS */
2061 wb_data[0] = 0x8;
2062 wb_data[1] = 0;
2063 }
2064
2065 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
2066
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002067 /* Set Time (based unit is 512 bit time) between automatic
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002068 * re-sending of PP packets amd enable automatic re-send of
2069 * Per-Priroity Packet as long as pp_gen is asserted and
2070 * pp_disable is low.
2071 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002072 val = 0x8000;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002073 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2074 val |= (1<<16); /* enable automatic re-send */
2075
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002076 wb_data[0] = val;
2077 wb_data[1] = 0;
2078 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002079 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002080
2081 /* mac control */
2082 val = 0x3; /* Enable RX and TX */
2083 if (is_lb) {
2084 val |= 0x4; /* Local loopback */
2085 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2086 }
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002087 /* When PFC enabled, Pass pause frames towards the NIG. */
2088 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2089 val |= ((1<<6)|(1<<5));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002090
2091 wb_data[0] = val;
2092 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002093 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002094}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002095
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002096/* PFC BRB internal port configuration params */
2097struct bnx2x_pfc_brb_threshold_val {
2098 u32 pause_xoff;
2099 u32 pause_xon;
2100 u32 full_xoff;
2101 u32 full_xon;
2102};
2103
2104struct bnx2x_pfc_brb_e3b0_val {
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002105 u32 per_class_guaranty_mode;
2106 u32 lb_guarantied_hyst;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002107 u32 full_lb_xoff_th;
2108 u32 full_lb_xon_threshold;
2109 u32 lb_guarantied;
2110 u32 mac_0_class_t_guarantied;
2111 u32 mac_0_class_t_guarantied_hyst;
2112 u32 mac_1_class_t_guarantied;
2113 u32 mac_1_class_t_guarantied_hyst;
2114};
2115
2116struct bnx2x_pfc_brb_th_val {
2117 struct bnx2x_pfc_brb_threshold_val pauseable_th;
2118 struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002119 struct bnx2x_pfc_brb_threshold_val default_class0;
2120 struct bnx2x_pfc_brb_threshold_val default_class1;
2121
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002122};
2123static int bnx2x_pfc_brb_get_config_params(
2124 struct link_params *params,
2125 struct bnx2x_pfc_brb_th_val *config_val)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002126{
2127 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002128 DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002129
2130 config_val->default_class1.pause_xoff = 0;
2131 config_val->default_class1.pause_xon = 0;
2132 config_val->default_class1.full_xoff = 0;
2133 config_val->default_class1.full_xon = 0;
2134
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002135 if (CHIP_IS_E2(bp)) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002136 /* Class0 defaults */
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002137 config_val->default_class0.pause_xoff =
2138 DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR;
2139 config_val->default_class0.pause_xon =
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002140 DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR;
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002141 config_val->default_class0.full_xoff =
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002142 DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR;
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002143 config_val->default_class0.full_xon =
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002144 DEFAULT0_E2_BRB_MAC_FULL_XON_THR;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002145 /* Pause able*/
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002146 config_val->pauseable_th.pause_xoff =
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002147 PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002148 config_val->pauseable_th.pause_xon =
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002149 PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002150 config_val->pauseable_th.full_xoff =
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002151 PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002152 config_val->pauseable_th.full_xon =
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002153 PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002154 /* non pause able*/
2155 config_val->non_pauseable_th.pause_xoff =
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002156 PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002157 config_val->non_pauseable_th.pause_xon =
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002158 PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002159 config_val->non_pauseable_th.full_xoff =
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002160 PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002161 config_val->non_pauseable_th.full_xon =
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002162 PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002163 } else if (CHIP_IS_E3A0(bp)) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002164 /* Class0 defaults */
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002165 config_val->default_class0.pause_xoff =
2166 DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR;
2167 config_val->default_class0.pause_xon =
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002168 DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR;
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002169 config_val->default_class0.full_xoff =
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002170 DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR;
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002171 config_val->default_class0.full_xon =
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002172 DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002173 /* Pause able */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002174 config_val->pauseable_th.pause_xoff =
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002175 PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002176 config_val->pauseable_th.pause_xon =
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002177 PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002178 config_val->pauseable_th.full_xoff =
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002179 PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002180 config_val->pauseable_th.full_xon =
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002181 PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002182 /* non pause able*/
2183 config_val->non_pauseable_th.pause_xoff =
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002184 PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002185 config_val->non_pauseable_th.pause_xon =
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002186 PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002187 config_val->non_pauseable_th.full_xoff =
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002188 PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002189 config_val->non_pauseable_th.full_xon =
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002190 PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002191 } else if (CHIP_IS_E3B0(bp)) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002192 /* Class0 defaults */
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002193 config_val->default_class0.pause_xoff =
2194 DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR;
2195 config_val->default_class0.pause_xon =
2196 DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR;
2197 config_val->default_class0.full_xoff =
2198 DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR;
2199 config_val->default_class0.full_xon =
2200 DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR;
2201
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002202 if (params->phy[INT_PHY].flags &
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002203 FLAGS_4_PORT_MODE) {
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002204 config_val->pauseable_th.pause_xoff =
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002205 PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002206 config_val->pauseable_th.pause_xon =
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002207 PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002208 config_val->pauseable_th.full_xoff =
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002209 PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002210 config_val->pauseable_th.full_xon =
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002211 PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002212 /* non pause able*/
2213 config_val->non_pauseable_th.pause_xoff =
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002214 PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002215 config_val->non_pauseable_th.pause_xon =
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002216 PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002217 config_val->non_pauseable_th.full_xoff =
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002218 PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002219 config_val->non_pauseable_th.full_xon =
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002220 PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2221 } else {
2222 config_val->pauseable_th.pause_xoff =
2223 PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2224 config_val->pauseable_th.pause_xon =
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002225 PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
2226 config_val->pauseable_th.full_xoff =
2227 PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
2228 config_val->pauseable_th.full_xon =
2229 PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
2230 /* non pause able*/
2231 config_val->non_pauseable_th.pause_xoff =
2232 PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2233 config_val->non_pauseable_th.pause_xon =
2234 PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2235 config_val->non_pauseable_th.full_xoff =
2236 PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2237 config_val->non_pauseable_th.full_xon =
2238 PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2239 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002240 } else
2241 return -EINVAL;
2242
2243 return 0;
2244}
2245
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002246static void bnx2x_pfc_brb_get_e3b0_config_params(
2247 struct link_params *params,
2248 struct bnx2x_pfc_brb_e3b0_val
2249 *e3b0_val,
2250 struct bnx2x_nig_brb_pfc_port_params *pfc_params,
2251 const u8 pfc_enabled)
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002252{
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002253 if (pfc_enabled && pfc_params) {
2254 e3b0_val->per_class_guaranty_mode = 1;
2255 e3b0_val->lb_guarantied_hyst = 80;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002256
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002257 if (params->phy[INT_PHY].flags &
2258 FLAGS_4_PORT_MODE) {
2259 e3b0_val->full_lb_xoff_th =
2260 PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
2261 e3b0_val->full_lb_xon_threshold =
2262 PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002263 e3b0_val->lb_guarantied =
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002264 PFC_E3B0_4P_LB_GUART;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002265 e3b0_val->mac_0_class_t_guarantied =
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002266 PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
2267 e3b0_val->mac_0_class_t_guarantied_hyst =
2268 PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
2269 e3b0_val->mac_1_class_t_guarantied =
2270 PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
2271 e3b0_val->mac_1_class_t_guarantied_hyst =
2272 PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002273 } else {
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002274 e3b0_val->full_lb_xoff_th =
2275 PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
2276 e3b0_val->full_lb_xon_threshold =
2277 PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
2278 e3b0_val->mac_0_class_t_guarantied_hyst =
2279 PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
2280 e3b0_val->mac_1_class_t_guarantied =
2281 PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
2282 e3b0_val->mac_1_class_t_guarantied_hyst =
2283 PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
2284
2285 if (pfc_params->cos0_pauseable !=
2286 pfc_params->cos1_pauseable) {
2287 /* nonpauseable= Lossy + pauseable = Lossless*/
2288 e3b0_val->lb_guarantied =
2289 PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
2290 e3b0_val->mac_0_class_t_guarantied =
2291 PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
2292 } else if (pfc_params->cos0_pauseable) {
2293 /* Lossless +Lossless*/
2294 e3b0_val->lb_guarantied =
2295 PFC_E3B0_2P_PAUSE_LB_GUART;
2296 e3b0_val->mac_0_class_t_guarantied =
2297 PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
2298 } else {
2299 /* Lossy +Lossy*/
2300 e3b0_val->lb_guarantied =
2301 PFC_E3B0_2P_NON_PAUSE_LB_GUART;
2302 e3b0_val->mac_0_class_t_guarantied =
2303 PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
2304 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002305 }
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002306 } else {
2307 e3b0_val->per_class_guaranty_mode = 0;
2308 e3b0_val->lb_guarantied_hyst = 0;
2309 e3b0_val->full_lb_xoff_th =
2310 DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR;
2311 e3b0_val->full_lb_xon_threshold =
2312 DEFAULT_E3B0_BRB_FULL_LB_XON_THR;
2313 e3b0_val->lb_guarantied =
2314 DEFAULT_E3B0_LB_GUART;
2315 e3b0_val->mac_0_class_t_guarantied =
2316 DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART;
2317 e3b0_val->mac_0_class_t_guarantied_hyst =
2318 DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST;
2319 e3b0_val->mac_1_class_t_guarantied =
2320 DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART;
2321 e3b0_val->mac_1_class_t_guarantied_hyst =
2322 DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002323 }
2324}
2325static int bnx2x_update_pfc_brb(struct link_params *params,
2326 struct link_vars *vars,
2327 struct bnx2x_nig_brb_pfc_port_params
2328 *pfc_params)
2329{
2330 struct bnx2x *bp = params->bp;
2331 struct bnx2x_pfc_brb_th_val config_val = { {0} };
2332 struct bnx2x_pfc_brb_threshold_val *reg_th_config =
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002333 &config_val.pauseable_th;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002334 struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002335 const int set_pfc = params->feature_config_flags &
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002336 FEATURE_CONFIG_PFC_ENABLED;
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002337 const u8 pfc_enabled = (set_pfc && pfc_params);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002338 int bnx2x_status = 0;
2339 u8 port = params->port;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002340
2341 /* default - pause configuration */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002342 reg_th_config = &config_val.pauseable_th;
2343 bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00002344 if (bnx2x_status)
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002345 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002346
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002347 if (pfc_enabled) {
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002348 /* First COS */
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002349 if (pfc_params->cos0_pauseable)
2350 reg_th_config = &config_val.pauseable_th;
2351 else
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002352 reg_th_config = &config_val.non_pauseable_th;
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002353 } else
2354 reg_th_config = &config_val.default_class0;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002355 /* The number of free blocks below which the pause signal to class 0
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002356 * of MAC #n is asserted. n=0,1
2357 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002358 REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
2359 BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
2360 reg_th_config->pause_xoff);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002361 /* The number of free blocks above which the pause signal to class 0
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002362 * of MAC #n is de-asserted. n=0,1
2363 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002364 REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
2365 BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002366 /* The number of free blocks below which the full signal to class 0
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002367 * of MAC #n is asserted. n=0,1
2368 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002369 REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
2370 BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002371 /* The number of free blocks above which the full signal to class 0
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002372 * of MAC #n is de-asserted. n=0,1
2373 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002374 REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
2375 BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002376
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002377 if (pfc_enabled) {
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002378 /* Second COS */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002379 if (pfc_params->cos1_pauseable)
2380 reg_th_config = &config_val.pauseable_th;
2381 else
2382 reg_th_config = &config_val.non_pauseable_th;
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002383 } else
2384 reg_th_config = &config_val.default_class1;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002385 /* The number of free blocks below which the pause signal to
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002386 * class 1 of MAC #n is asserted. n=0,1
2387 */
2388 REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
2389 BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
2390 reg_th_config->pause_xoff);
2391
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002392 /* The number of free blocks above which the pause signal to
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002393 * class 1 of MAC #n is de-asserted. n=0,1
2394 */
2395 REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
2396 BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
2397 reg_th_config->pause_xon);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002398 /* The number of free blocks below which the full signal to
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002399 * class 1 of MAC #n is asserted. n=0,1
2400 */
2401 REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
2402 BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
2403 reg_th_config->full_xoff);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002404 /* The number of free blocks above which the full signal to
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002405 * class 1 of MAC #n is de-asserted. n=0,1
2406 */
2407 REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
2408 BRB1_REG_FULL_1_XON_THRESHOLD_0,
2409 reg_th_config->full_xon);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002410
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002411 if (CHIP_IS_E3B0(bp)) {
2412 bnx2x_pfc_brb_get_e3b0_config_params(
2413 params,
2414 &e3b0_val,
2415 pfc_params,
2416 pfc_enabled);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002417
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002418 REG_WR(bp, BRB1_REG_PER_CLASS_GUARANTY_MODE,
2419 e3b0_val.per_class_guaranty_mode);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002420
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002421 /* The hysteresis on the guarantied buffer space for the Lb
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002422 * port before signaling XON.
2423 */
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002424 REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST,
2425 e3b0_val.lb_guarantied_hyst);
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002426
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002427 /* The number of free blocks below which the full signal to the
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002428 * LB port is asserted.
2429 */
Yaniv Rosner866ceda2011-11-28 00:49:45 +00002430 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002431 e3b0_val.full_lb_xoff_th);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002432 /* The number of free blocks above which the full signal to the
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002433 * LB port is de-asserted.
2434 */
2435 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
2436 e3b0_val.full_lb_xon_threshold);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002437 /* The number of blocks guarantied for the MAC #n port. n=0,1
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002438 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002439
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002440 /* The number of blocks guarantied for the LB port. */
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002441 REG_WR(bp, BRB1_REG_LB_GUARANTIED,
2442 e3b0_val.lb_guarantied);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002443
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002444 /* The number of blocks guarantied for the MAC #n port. */
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002445 REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
2446 2 * e3b0_val.mac_0_class_t_guarantied);
2447 REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
2448 2 * e3b0_val.mac_1_class_t_guarantied);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002449 /* The number of blocks guarantied for class #t in MAC0. t=0,1
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002450 */
2451 REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
2452 e3b0_val.mac_0_class_t_guarantied);
2453 REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
2454 e3b0_val.mac_0_class_t_guarantied);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002455 /* The hysteresis on the guarantied buffer space for class in
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002456 * MAC0. t=0,1
2457 */
2458 REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
2459 e3b0_val.mac_0_class_t_guarantied_hyst);
2460 REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
2461 e3b0_val.mac_0_class_t_guarantied_hyst);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002462
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002463 /* The number of blocks guarantied for class #t in MAC1.t=0,1
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002464 */
2465 REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
2466 e3b0_val.mac_1_class_t_guarantied);
2467 REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
2468 e3b0_val.mac_1_class_t_guarantied);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002469 /* The hysteresis on the guarantied buffer space for class #t
Yaniv Rosner2f751a82011-11-28 00:49:52 +00002470 * in MAC1. t=0,1
2471 */
2472 REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
2473 e3b0_val.mac_1_class_t_guarantied_hyst);
2474 REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
2475 e3b0_val.mac_1_class_t_guarantied_hyst);
2476 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002477
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002478 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002479}
2480
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002481/******************************************************************************
2482* Description:
2483* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2484* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2485******************************************************************************/
2486int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
2487 u8 cos_entry,
2488 u32 priority_mask, u8 port)
2489{
2490 u32 nig_reg_rx_priority_mask_add = 0;
2491
2492 switch (cos_entry) {
2493 case 0:
2494 nig_reg_rx_priority_mask_add = (port) ?
2495 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2496 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2497 break;
2498 case 1:
2499 nig_reg_rx_priority_mask_add = (port) ?
2500 NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2501 NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2502 break;
2503 case 2:
2504 nig_reg_rx_priority_mask_add = (port) ?
2505 NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2506 NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2507 break;
2508 case 3:
2509 if (port)
2510 return -EINVAL;
2511 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2512 break;
2513 case 4:
2514 if (port)
2515 return -EINVAL;
2516 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2517 break;
2518 case 5:
2519 if (port)
2520 return -EINVAL;
2521 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2522 break;
2523 }
2524
2525 REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
2526
2527 return 0;
2528}
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00002529static void bnx2x_update_mng(struct link_params *params, u32 link_status)
2530{
2531 struct bnx2x *bp = params->bp;
2532
2533 REG_WR(bp, params->shmem_base +
2534 offsetof(struct shmem_region,
2535 port_mb[params->port].link_status), link_status);
2536}
2537
Yuval Mintzc8c60d82012-06-06 17:13:07 +00002538static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
2539{
2540 struct bnx2x *bp = params->bp;
2541
2542 if (bnx2x_eee_has_cap(params))
2543 REG_WR(bp, params->shmem2_base +
2544 offsetof(struct shmem2_region,
2545 eee_status[params->port]), eee_status);
2546}
2547
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002548static void bnx2x_update_pfc_nig(struct link_params *params,
2549 struct link_vars *vars,
2550 struct bnx2x_nig_brb_pfc_port_params *nig_params)
2551{
2552 u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
Yaniv Rosner127302b2012-01-17 02:33:26 +00002553 u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002554 u32 pkt_priority_to_cos = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002555 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002556 u8 port = params->port;
2557
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002558 int set_pfc = params->feature_config_flags &
2559 FEATURE_CONFIG_PFC_ENABLED;
2560 DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
2561
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002562 /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002563 * MAC control frames (that are not pause packets)
2564 * will be forwarded to the XCM.
2565 */
Yaniv Rosner127302b2012-01-17 02:33:26 +00002566 xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
2567 NIG_REG_LLH0_XCM_MASK);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002568 /* NIG params will override non PFC params, since it's possible to
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002569 * do transition from PFC to SAFC
2570 */
2571 if (set_pfc) {
2572 pause_enable = 0;
2573 llfc_out_en = 0;
2574 llfc_enable = 0;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002575 if (CHIP_IS_E3(bp))
2576 ppp_enable = 0;
2577 else
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002578 ppp_enable = 1;
2579 xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2580 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
Yaniv Rosner127302b2012-01-17 02:33:26 +00002581 xcm_out_en = 0;
2582 hwpfc_enable = 1;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002583 } else {
2584 if (nig_params) {
2585 llfc_out_en = nig_params->llfc_out_en;
2586 llfc_enable = nig_params->llfc_enable;
2587 pause_enable = nig_params->pause_enable;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002588 } else /* Default non PFC mode - PAUSE */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002589 pause_enable = 1;
2590
2591 xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2592 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
Yaniv Rosner127302b2012-01-17 02:33:26 +00002593 xcm_out_en = 1;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002594 }
2595
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002596 if (CHIP_IS_E3(bp))
2597 REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2598 NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002599 REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
2600 NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2601 REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
2602 NIG_REG_LLFC_ENABLE_0, llfc_enable);
2603 REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
2604 NIG_REG_PAUSE_ENABLE_0, pause_enable);
2605
2606 REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
2607 NIG_REG_PPP_ENABLE_0, ppp_enable);
2608
2609 REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
2610 NIG_REG_LLH0_XCM_MASK, xcm_mask);
2611
Yaniv Rosner127302b2012-01-17 02:33:26 +00002612 REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
2613 NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002614
2615 /* output enable for RX_XCM # IF */
Yaniv Rosner127302b2012-01-17 02:33:26 +00002616 REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
2617 NIG_REG_XCM0_OUT_EN, xcm_out_en);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002618
2619 /* HW PFC TX enable */
Yaniv Rosner127302b2012-01-17 02:33:26 +00002620 REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
2621 NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002622
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002623 if (nig_params) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002624 u8 i = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002625 pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
2626
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002627 for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
2628 bnx2x_pfc_nig_rx_priority_mask(bp, i,
2629 nig_params->rx_cos_priority_mask[i], port);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002630
2631 REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
2632 NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
2633 nig_params->llfc_high_priority_classes);
2634
2635 REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
2636 NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
2637 nig_params->llfc_low_priority_classes);
2638 }
2639 REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
2640 NIG_REG_P0_PKT_PRIORITY_TO_COS,
2641 pkt_priority_to_cos);
2642}
2643
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002644int bnx2x_update_pfc(struct link_params *params,
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002645 struct link_vars *vars,
2646 struct bnx2x_nig_brb_pfc_port_params *pfc_params)
2647{
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00002648 /* The PFC and pause are orthogonal to one another, meaning when
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002649 * PFC is enabled, the pause are disabled, and when PFC is
2650 * disabled, pause are set according to the pause result.
2651 */
2652 u32 val;
2653 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002654 int bnx2x_status = 0;
2655 u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00002656
2657 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2658 vars->link_status |= LINK_STATUS_PFC_ENABLED;
2659 else
2660 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
2661
2662 bnx2x_update_mng(params, vars->link_status);
2663
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002664 /* update NIG params */
2665 bnx2x_update_pfc_nig(params, vars, pfc_params);
2666
2667 /* update BRB params */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002668 bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
Yaniv Rosnerde0396f2011-11-28 00:49:53 +00002669 if (bnx2x_status)
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002670 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002671
2672 if (!vars->link_up)
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002673 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002674
2675 DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002676 if (CHIP_IS_E3(bp))
2677 bnx2x_update_pfc_xmac(params, vars, 0);
2678 else {
2679 val = REG_RD(bp, MISC_REG_RESET_REG_2);
2680 if ((val &
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00002681 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002682 == 0) {
2683 DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
2684 bnx2x_emac_enable(params, vars, 0);
2685 return bnx2x_status;
2686 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002687 if (CHIP_IS_E2(bp))
2688 bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
2689 else
2690 bnx2x_update_pfc_bmac1(params, vars);
2691
2692 val = 0;
2693 if ((params->feature_config_flags &
2694 FEATURE_CONFIG_PFC_ENABLED) ||
2695 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2696 val = 1;
2697 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2698 }
2699 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002700}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002701
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002702
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002703static int bnx2x_bmac1_enable(struct link_params *params,
2704 struct link_vars *vars,
2705 u8 is_lb)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002706{
2707 struct bnx2x *bp = params->bp;
2708 u8 port = params->port;
2709 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2710 NIG_REG_INGRESS_BMAC0_MEM;
2711 u32 wb_data[2];
2712 u32 val;
2713
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002714 DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002715
2716 /* XGXS control */
2717 wb_data[0] = 0x3c;
2718 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002719 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2720 wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002721
2722 /* tx MAC SA */
2723 wb_data[0] = ((params->mac_addr[2] << 24) |
2724 (params->mac_addr[3] << 16) |
2725 (params->mac_addr[4] << 8) |
2726 params->mac_addr[5]);
2727 wb_data[1] = ((params->mac_addr[0] << 8) |
2728 params->mac_addr[1]);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002729 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002730
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002731 /* mac control */
2732 val = 0x3;
2733 if (is_lb) {
2734 val |= 0x4;
2735 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2736 }
2737 wb_data[0] = val;
2738 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002739 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002740
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002741 /* set rx mtu */
2742 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2743 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002744 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002745
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002746 bnx2x_update_pfc_bmac1(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002747
2748 /* set tx mtu */
2749 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2750 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002751 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002752
2753 /* set cnt max size */
2754 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2755 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002756 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002757
2758 /* configure safc */
2759 wb_data[0] = 0x1000200;
2760 wb_data[1] = 0;
2761 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2762 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002763
2764 return 0;
2765}
2766
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002767static int bnx2x_bmac2_enable(struct link_params *params,
2768 struct link_vars *vars,
2769 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002770{
2771 struct bnx2x *bp = params->bp;
2772 u8 port = params->port;
2773 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2774 NIG_REG_INGRESS_BMAC0_MEM;
2775 u32 wb_data[2];
2776
2777 DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
2778
2779 wb_data[0] = 0;
2780 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002781 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002782 udelay(30);
2783
2784 /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2785 wb_data[0] = 0x3c;
2786 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002787 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2788 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002789
2790 udelay(30);
2791
2792 /* tx MAC SA */
2793 wb_data[0] = ((params->mac_addr[2] << 24) |
2794 (params->mac_addr[3] << 16) |
2795 (params->mac_addr[4] << 8) |
2796 params->mac_addr[5]);
2797 wb_data[1] = ((params->mac_addr[0] << 8) |
2798 params->mac_addr[1]);
2799 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002800 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002801
2802 udelay(30);
2803
2804 /* Configure SAFC */
2805 wb_data[0] = 0x1000200;
2806 wb_data[1] = 0;
2807 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002808 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002809 udelay(30);
2810
2811 /* set rx mtu */
2812 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2813 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002814 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002815 udelay(30);
2816
2817 /* set tx mtu */
2818 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2819 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002820 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002821 udelay(30);
2822 /* set cnt max size */
2823 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
2824 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002825 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002826 udelay(30);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002827 bnx2x_update_pfc_bmac2(params, vars, is_lb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002828
2829 return 0;
2830}
2831
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002832static int bnx2x_bmac_enable(struct link_params *params,
2833 struct link_vars *vars,
2834 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002835{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002836 int rc = 0;
2837 u8 port = params->port;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002838 struct bnx2x *bp = params->bp;
2839 u32 val;
2840 /* reset and unreset the BigMac */
2841 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002842 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Yaniv Rosner1d9c05d2010-11-01 05:32:25 +00002843 msleep(1);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002844
2845 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002846 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002847
2848 /* enable access for bmac registers */
2849 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2850
2851 /* Enable BMAC according to BMAC type*/
2852 if (CHIP_IS_E2(bp))
2853 rc = bnx2x_bmac2_enable(params, vars, is_lb);
2854 else
2855 rc = bnx2x_bmac1_enable(params, vars, is_lb);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002856 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2857 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2858 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2859 val = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002860 if ((params->feature_config_flags &
2861 FEATURE_CONFIG_PFC_ENABLED) ||
2862 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002863 val = 1;
2864 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2865 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2866 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2867 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2868 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2869 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2870
2871 vars->mac_type = MAC_TYPE_BMAC;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002872 return rc;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002873}
2874
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002875static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
2876{
2877 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002878 NIG_REG_INGRESS_BMAC0_MEM;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002879 u32 wb_data[2];
Eilon Greenstein3196a882008-08-13 15:58:49 -07002880 u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002881
2882 /* Only if the bmac is out of reset */
2883 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
2884 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2885 nig_bmac_enable) {
2886
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002887 if (CHIP_IS_E2(bp)) {
2888 /* Clear Rx Enable bit in BMAC_CONTROL register */
2889 REG_RD_DMAE(bp, bmac_addr +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002890 BIGMAC2_REGISTER_BMAC_CONTROL,
2891 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002892 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2893 REG_WR_DMAE(bp, bmac_addr +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002894 BIGMAC2_REGISTER_BMAC_CONTROL,
2895 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002896 } else {
2897 /* Clear Rx Enable bit in BMAC_CONTROL register */
2898 REG_RD_DMAE(bp, bmac_addr +
2899 BIGMAC_REGISTER_BMAC_CONTROL,
2900 wb_data, 2);
2901 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2902 REG_WR_DMAE(bp, bmac_addr +
2903 BIGMAC_REGISTER_BMAC_CONTROL,
2904 wb_data, 2);
2905 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002906 msleep(1);
2907 }
2908}
2909
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002910static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
2911 u32 line_speed)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002912{
2913 struct bnx2x *bp = params->bp;
2914 u8 port = params->port;
2915 u32 init_crd, crd;
2916 u32 count = 1000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002917
2918 /* disable port */
2919 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2920
2921 /* wait for init credit */
2922 init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
2923 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2924 DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
2925
2926 while ((init_crd != crd) && count) {
2927 msleep(5);
2928
2929 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2930 count--;
2931 }
2932 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2933 if (init_crd != crd) {
2934 DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
2935 init_crd, crd);
2936 return -EINVAL;
2937 }
2938
David S. Millerc0700f92008-12-16 23:53:20 -08002939 if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002940 line_speed == SPEED_10 ||
2941 line_speed == SPEED_100 ||
2942 line_speed == SPEED_1000 ||
2943 line_speed == SPEED_2500) {
2944 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002945 /* update threshold */
2946 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
2947 /* update init credit */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002948 init_crd = 778; /* (800-18-4) */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002949
2950 } else {
2951 u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
2952 ETH_OVREHEAD)/16;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002953 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002954 /* update threshold */
2955 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
2956 /* update init credit */
2957 switch (line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002958 case SPEED_10000:
2959 init_crd = thresh + 553 - 22;
2960 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002961 default:
2962 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2963 line_speed);
2964 return -EINVAL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002965 }
2966 }
2967 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2968 DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
2969 line_speed, init_crd);
2970
2971 /* probe the credit changes */
2972 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
2973 msleep(5);
2974 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
2975
2976 /* enable port */
2977 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2978 return 0;
2979}
2980
Dmitry Kravkove8920672011-05-04 23:52:40 +00002981/**
2982 * bnx2x_get_emac_base - retrive emac base address
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002983 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00002984 * @bp: driver handle
2985 * @mdc_mdio_access: access type
2986 * @port: port id
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002987 *
2988 * This function selects the MDC/MDIO access (through emac0 or
2989 * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2990 * phy has a default access mode, which could also be overridden
2991 * by nvram configuration. This parameter, whether this is the
2992 * default phy configuration, or the nvram overrun
2993 * configuration, is passed here as mdc_mdio_access and selects
2994 * the emac_base for the CL45 read/writes operations
2995 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002996static u32 bnx2x_get_emac_base(struct bnx2x *bp,
2997 u32 mdc_mdio_access, u8 port)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002998{
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002999 u32 emac_base = 0;
3000 switch (mdc_mdio_access) {
3001 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
3002 break;
3003 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
3004 if (REG_RD(bp, NIG_REG_PORT_SWAP))
3005 emac_base = GRCBASE_EMAC1;
3006 else
3007 emac_base = GRCBASE_EMAC0;
3008 break;
3009 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
Eilon Greenstein589abe32009-02-12 08:36:55 +00003010 if (REG_RD(bp, NIG_REG_PORT_SWAP))
3011 emac_base = GRCBASE_EMAC0;
3012 else
3013 emac_base = GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003014 break;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003015 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
3016 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3017 break;
3018 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
Eilon Greenstein6378c022008-08-13 15:59:25 -07003019 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003020 break;
3021 default:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003022 break;
3023 }
3024 return emac_base;
3025
3026}
3027
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003028/******************************************************************/
Yaniv Rosner6583e332011-06-14 01:34:17 +00003029/* CL22 access functions */
3030/******************************************************************/
3031static int bnx2x_cl22_write(struct bnx2x *bp,
3032 struct bnx2x_phy *phy,
3033 u16 reg, u16 val)
3034{
3035 u32 tmp, mode;
3036 u8 i;
3037 int rc = 0;
3038 /* Switch to CL22 */
3039 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
3040 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
3041 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
3042
3043 /* address */
3044 tmp = ((phy->addr << 21) | (reg << 16) | val |
3045 EMAC_MDIO_COMM_COMMAND_WRITE_22 |
3046 EMAC_MDIO_COMM_START_BUSY);
3047 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3048
3049 for (i = 0; i < 50; i++) {
3050 udelay(10);
3051
3052 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3053 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3054 udelay(5);
3055 break;
3056 }
3057 }
3058 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3059 DP(NETIF_MSG_LINK, "write phy register failed\n");
3060 rc = -EFAULT;
3061 }
3062 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
3063 return rc;
3064}
3065
3066static int bnx2x_cl22_read(struct bnx2x *bp,
3067 struct bnx2x_phy *phy,
3068 u16 reg, u16 *ret_val)
3069{
3070 u32 val, mode;
3071 u16 i;
3072 int rc = 0;
3073
3074 /* Switch to CL22 */
3075 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
3076 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
3077 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
3078
3079 /* address */
3080 val = ((phy->addr << 21) | (reg << 16) |
3081 EMAC_MDIO_COMM_COMMAND_READ_22 |
3082 EMAC_MDIO_COMM_START_BUSY);
3083 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
3084
3085 for (i = 0; i < 50; i++) {
3086 udelay(10);
3087
3088 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3089 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3090 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
3091 udelay(5);
3092 break;
3093 }
3094 }
3095 if (val & EMAC_MDIO_COMM_START_BUSY) {
3096 DP(NETIF_MSG_LINK, "read phy register failed\n");
3097
3098 *ret_val = 0;
3099 rc = -EFAULT;
3100 }
3101 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
3102 return rc;
3103}
3104
3105/******************************************************************/
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003106/* CL45 access functions */
3107/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003108static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
3109 u8 devad, u16 reg, u16 *ret_val)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003110{
Yaniv Rosnera198c142011-05-31 21:29:42 +00003111 u32 val;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003112 u16 i;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003113 int rc = 0;
Yaniv Rosner157fa282011-08-02 22:59:32 +00003114 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3115 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3116 EMAC_MDIO_STATUS_10MB);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003117 /* address */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003118 val = ((phy->addr << 21) | (devad << 16) | reg |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003119 EMAC_MDIO_COMM_COMMAND_ADDRESS |
3120 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003121 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003122
3123 for (i = 0; i < 50; i++) {
3124 udelay(10);
3125
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003126 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003127 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3128 udelay(5);
3129 break;
3130 }
3131 }
3132 if (val & EMAC_MDIO_COMM_START_BUSY) {
3133 DP(NETIF_MSG_LINK, "read phy register failed\n");
Yaniv Rosner6d870c32011-01-31 04:22:20 +00003134 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003135 *ret_val = 0;
3136 rc = -EFAULT;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003137 } else {
3138 /* data */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003139 val = ((phy->addr << 21) | (devad << 16) |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003140 EMAC_MDIO_COMM_COMMAND_READ_45 |
3141 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003142 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003143
3144 for (i = 0; i < 50; i++) {
3145 udelay(10);
3146
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003147 val = REG_RD(bp, phy->mdio_ctrl +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003148 EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003149 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3150 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
3151 break;
3152 }
3153 }
3154 if (val & EMAC_MDIO_COMM_START_BUSY) {
3155 DP(NETIF_MSG_LINK, "read phy register failed\n");
Yaniv Rosner6d870c32011-01-31 04:22:20 +00003156 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003157 *ret_val = 0;
3158 rc = -EFAULT;
3159 }
3160 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003161 /* Work around for E3 A0 */
3162 if (phy->flags & FLAGS_MDC_MDIO_WA) {
3163 phy->flags ^= FLAGS_DUMMY_READ;
3164 if (phy->flags & FLAGS_DUMMY_READ) {
3165 u16 temp_val;
3166 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
3167 }
3168 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003169
Yaniv Rosner157fa282011-08-02 22:59:32 +00003170 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3171 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3172 EMAC_MDIO_STATUS_10MB);
Yaniv Rosnera198c142011-05-31 21:29:42 +00003173 return rc;
3174}
3175
3176static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3177 u8 devad, u16 reg, u16 val)
3178{
3179 u32 tmp;
3180 u8 i;
3181 int rc = 0;
Yaniv Rosner157fa282011-08-02 22:59:32 +00003182 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3183 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3184 EMAC_MDIO_STATUS_10MB);
Yaniv Rosnera198c142011-05-31 21:29:42 +00003185
3186 /* address */
Yaniv Rosnera198c142011-05-31 21:29:42 +00003187 tmp = ((phy->addr << 21) | (devad << 16) | reg |
3188 EMAC_MDIO_COMM_COMMAND_ADDRESS |
3189 EMAC_MDIO_COMM_START_BUSY);
3190 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3191
3192 for (i = 0; i < 50; i++) {
3193 udelay(10);
3194
3195 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3196 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3197 udelay(5);
3198 break;
3199 }
3200 }
3201 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3202 DP(NETIF_MSG_LINK, "write phy register failed\n");
3203 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
3204 rc = -EFAULT;
Yaniv Rosnera198c142011-05-31 21:29:42 +00003205 } else {
3206 /* data */
3207 tmp = ((phy->addr << 21) | (devad << 16) | val |
3208 EMAC_MDIO_COMM_COMMAND_WRITE_45 |
3209 EMAC_MDIO_COMM_START_BUSY);
3210 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3211
3212 for (i = 0; i < 50; i++) {
3213 udelay(10);
3214
3215 tmp = REG_RD(bp, phy->mdio_ctrl +
3216 EMAC_REG_EMAC_MDIO_COMM);
3217 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3218 udelay(5);
3219 break;
3220 }
3221 }
3222 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3223 DP(NETIF_MSG_LINK, "write phy register failed\n");
3224 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
3225 rc = -EFAULT;
3226 }
3227 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003228 /* Work around for E3 A0 */
3229 if (phy->flags & FLAGS_MDC_MDIO_WA) {
3230 phy->flags ^= FLAGS_DUMMY_READ;
3231 if (phy->flags & FLAGS_DUMMY_READ) {
3232 u16 temp_val;
3233 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
3234 }
3235 }
Yaniv Rosner157fa282011-08-02 22:59:32 +00003236 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3237 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3238 EMAC_MDIO_STATUS_10MB);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003239 return rc;
3240}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003241/******************************************************************/
3242/* BSC access functions from E3 */
3243/******************************************************************/
3244static void bnx2x_bsc_module_sel(struct link_params *params)
3245{
3246 int idx;
3247 u32 board_cfg, sfp_ctrl;
3248 u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3249 struct bnx2x *bp = params->bp;
3250 u8 port = params->port;
3251 /* Read I2C output PINs */
3252 board_cfg = REG_RD(bp, params->shmem_base +
3253 offsetof(struct shmem_region,
3254 dev_info.shared_hw_config.board));
3255 i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3256 i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3257 SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3258
3259 /* Read I2C output value */
3260 sfp_ctrl = REG_RD(bp, params->shmem_base +
3261 offsetof(struct shmem_region,
3262 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3263 i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3264 i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3265 DP(NETIF_MSG_LINK, "Setting BSC switch\n");
3266 for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3267 bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
3268}
3269
3270static int bnx2x_bsc_read(struct link_params *params,
3271 struct bnx2x_phy *phy,
3272 u8 sl_devid,
3273 u16 sl_addr,
3274 u8 lc_addr,
3275 u8 xfer_cnt,
3276 u32 *data_array)
3277{
3278 u32 val, i;
3279 int rc = 0;
3280 struct bnx2x *bp = params->bp;
3281
3282 if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
3283 DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
3284 return -EINVAL;
3285 }
3286
3287 if (xfer_cnt > 16) {
3288 DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
3289 xfer_cnt);
3290 return -EINVAL;
3291 }
3292 bnx2x_bsc_module_sel(params);
3293
3294 xfer_cnt = 16 - lc_addr;
3295
3296 /* enable the engine */
3297 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3298 val |= MCPR_IMC_COMMAND_ENABLE;
3299 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3300
3301 /* program slave device ID */
3302 val = (sl_devid << 16) | sl_addr;
3303 REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3304
3305 /* start xfer with 0 byte to update the address pointer ???*/
3306 val = (MCPR_IMC_COMMAND_ENABLE) |
3307 (MCPR_IMC_COMMAND_WRITE_OP <<
3308 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3309 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3310 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3311
3312 /* poll for completion */
3313 i = 0;
3314 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3315 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3316 udelay(10);
3317 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3318 if (i++ > 1000) {
3319 DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
3320 i);
3321 rc = -EFAULT;
3322 break;
3323 }
3324 }
3325 if (rc == -EFAULT)
3326 return rc;
3327
3328 /* start xfer with read op */
3329 val = (MCPR_IMC_COMMAND_ENABLE) |
3330 (MCPR_IMC_COMMAND_READ_OP <<
3331 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3332 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3333 (xfer_cnt);
3334 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3335
3336 /* poll for completion */
3337 i = 0;
3338 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3339 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3340 udelay(10);
3341 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3342 if (i++ > 1000) {
3343 DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
3344 rc = -EFAULT;
3345 break;
3346 }
3347 }
3348 if (rc == -EFAULT)
3349 return rc;
3350
3351 for (i = (lc_addr >> 2); i < 4; i++) {
3352 data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3353#ifdef __BIG_ENDIAN
3354 data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3355 ((data_array[i] & 0x0000ff00) << 8) |
3356 ((data_array[i] & 0x00ff0000) >> 8) |
3357 ((data_array[i] & 0xff000000) >> 24);
3358#endif
3359 }
3360 return rc;
3361}
3362
3363static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3364 u8 devad, u16 reg, u16 or_val)
3365{
3366 u16 val;
3367 bnx2x_cl45_read(bp, phy, devad, reg, &val);
3368 bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
3369}
3370
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003371int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
3372 u8 devad, u16 reg, u16 *ret_val)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003373{
3374 u8 phy_index;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003375 /* Probe for the phy according to the given phy_addr, and execute
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003376 * the read request on it
3377 */
3378 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3379 if (params->phy[phy_index].addr == phy_addr) {
3380 return bnx2x_cl45_read(params->bp,
3381 &params->phy[phy_index], devad,
3382 reg, ret_val);
3383 }
3384 }
3385 return -EINVAL;
3386}
3387
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003388int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
3389 u8 devad, u16 reg, u16 val)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003390{
3391 u8 phy_index;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003392 /* Probe for the phy according to the given phy_addr, and execute
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003393 * the write request on it
3394 */
3395 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3396 if (params->phy[phy_index].addr == phy_addr) {
3397 return bnx2x_cl45_write(params->bp,
3398 &params->phy[phy_index], devad,
3399 reg, val);
3400 }
3401 }
3402 return -EINVAL;
3403}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003404static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
3405 struct link_params *params)
3406{
3407 u8 lane = 0;
3408 struct bnx2x *bp = params->bp;
3409 u32 path_swap, path_swap_ovr;
3410 u8 path, port;
3411
3412 path = BP_PATH(bp);
3413 port = params->port;
3414
3415 if (bnx2x_is_4_port_mode(bp)) {
3416 u32 port_swap, port_swap_ovr;
3417
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003418 /* Figure out path swap value */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003419 path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
3420 if (path_swap_ovr & 0x1)
3421 path_swap = (path_swap_ovr & 0x2);
3422 else
3423 path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
3424
3425 if (path_swap)
3426 path = path ^ 1;
3427
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003428 /* Figure out port swap value */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003429 port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
3430 if (port_swap_ovr & 0x1)
3431 port_swap = (port_swap_ovr & 0x2);
3432 else
3433 port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
3434
3435 if (port_swap)
3436 port = port ^ 1;
3437
3438 lane = (port<<1) + path;
3439 } else { /* two port mode - no port swap */
3440
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003441 /* Figure out path swap value */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003442 path_swap_ovr =
3443 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3444 if (path_swap_ovr & 0x1) {
3445 path_swap = (path_swap_ovr & 0x2);
3446 } else {
3447 path_swap =
3448 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
3449 }
3450 if (path_swap)
3451 path = path ^ 1;
3452
3453 lane = path << 1 ;
3454 }
3455 return lane;
3456}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003457
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003458static void bnx2x_set_aer_mmd(struct link_params *params,
3459 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003460{
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003461 u32 ser_lane;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003462 u16 offset, aer_val;
3463 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003464 ser_lane = ((params->lane_config &
3465 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3466 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3467
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003468 offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3469 (phy->addr + ser_lane) : 0;
3470
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003471 if (USES_WARPCORE(bp)) {
3472 aer_val = bnx2x_get_warpcore_lane(phy, params);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003473 /* In Dual-lane mode, two lanes are joined together,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003474 * so in order to configure them, the AER broadcast method is
3475 * used here.
3476 * 0x200 is the broadcast address for lanes 0,1
3477 * 0x201 is the broadcast address for lanes 2,3
3478 */
3479 if (phy->flags & FLAGS_WC_DUAL_MODE)
3480 aer_val = (aer_val >> 1) | 0x200;
3481 } else if (CHIP_IS_E2(bp))
Yaniv Rosner82a0d472011-01-18 04:33:52 +00003482 aer_val = 0x3800 + offset - 1;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003483 else
3484 aer_val = 0x3800 + offset;
Yaniv Rosner2f751a82011-11-28 00:49:52 +00003485
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003486 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003487 MDIO_AER_BLOCK_AER_REG, aer_val);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003488
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003489}
3490
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003491/******************************************************************/
3492/* Internal phy section */
3493/******************************************************************/
3494
3495static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
3496{
3497 u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3498
3499 /* Set Clause 22 */
3500 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
3501 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
3502 udelay(500);
3503 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3504 udelay(500);
3505 /* Set Clause 45 */
3506 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
3507}
3508
3509static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
3510{
3511 u32 val;
3512
3513 DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
3514
3515 val = SERDES_RESET_BITS << (port*16);
3516
3517 /* reset and unreset the SerDes/XGXS */
3518 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3519 udelay(500);
3520 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3521
3522 bnx2x_set_serdes_access(bp, port);
3523
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003524 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3525 DEFAULT_PHY_DEV_ADDR);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003526}
3527
3528static void bnx2x_xgxs_deassert(struct link_params *params)
3529{
3530 struct bnx2x *bp = params->bp;
3531 u8 port;
3532 u32 val;
3533 DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
3534 port = params->port;
3535
3536 val = XGXS_RESET_BITS << (port*16);
3537
3538 /* reset and unreset the SerDes/XGXS */
3539 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3540 udelay(500);
3541 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3542
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003543 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003544 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003545 params->phy[INT_PHY].def_md_devad);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003546}
3547
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003548static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
3549 struct link_params *params, u16 *ieee_fc)
3550{
3551 struct bnx2x *bp = params->bp;
3552 *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003553 /* Resolve pause mode and advertisement Please refer to Table
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003554 * 28B-3 of the 802.3ab-1999 spec
3555 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003556
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003557 switch (phy->req_flow_ctrl) {
3558 case BNX2X_FLOW_CTRL_AUTO:
3559 if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
3560 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3561 else
3562 *ieee_fc |=
3563 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3564 break;
3565
3566 case BNX2X_FLOW_CTRL_TX:
3567 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3568 break;
3569
3570 case BNX2X_FLOW_CTRL_RX:
3571 case BNX2X_FLOW_CTRL_BOTH:
3572 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3573 break;
3574
3575 case BNX2X_FLOW_CTRL_NONE:
3576 default:
3577 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3578 break;
3579 }
3580 DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
3581}
3582
3583static void set_phy_vars(struct link_params *params,
3584 struct link_vars *vars)
3585{
3586 struct bnx2x *bp = params->bp;
3587 u8 actual_phy_idx, phy_index, link_cfg_idx;
3588 u8 phy_config_swapped = params->multi_phy_config &
3589 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
3590 for (phy_index = INT_PHY; phy_index < params->num_phys;
3591 phy_index++) {
3592 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
3593 actual_phy_idx = phy_index;
3594 if (phy_config_swapped) {
3595 if (phy_index == EXT_PHY1)
3596 actual_phy_idx = EXT_PHY2;
3597 else if (phy_index == EXT_PHY2)
3598 actual_phy_idx = EXT_PHY1;
3599 }
3600 params->phy[actual_phy_idx].req_flow_ctrl =
3601 params->req_flow_ctrl[link_cfg_idx];
3602
3603 params->phy[actual_phy_idx].req_line_speed =
3604 params->req_line_speed[link_cfg_idx];
3605
3606 params->phy[actual_phy_idx].speed_cap_mask =
3607 params->speed_cap_mask[link_cfg_idx];
3608
3609 params->phy[actual_phy_idx].req_duplex =
3610 params->req_duplex[link_cfg_idx];
3611
3612 if (params->req_line_speed[link_cfg_idx] ==
3613 SPEED_AUTO_NEG)
3614 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3615
3616 DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
3617 " speed_cap_mask %x\n",
3618 params->phy[actual_phy_idx].req_flow_ctrl,
3619 params->phy[actual_phy_idx].req_line_speed,
3620 params->phy[actual_phy_idx].speed_cap_mask);
3621 }
3622}
3623
3624static void bnx2x_ext_phy_set_pause(struct link_params *params,
3625 struct bnx2x_phy *phy,
3626 struct link_vars *vars)
3627{
3628 u16 val;
3629 struct bnx2x *bp = params->bp;
3630 /* read modify write pause advertizing */
3631 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3632
3633 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3634
3635 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3636 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3637 if ((vars->ieee_fc &
3638 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3639 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3640 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3641 }
3642 if ((vars->ieee_fc &
3643 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3644 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3645 val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3646 }
3647 DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3648 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3649}
3650
3651static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
3652{ /* LD LP */
3653 switch (pause_result) { /* ASYM P ASYM P */
3654 case 0xb: /* 1 0 1 1 */
3655 vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
3656 break;
3657
3658 case 0xe: /* 1 1 1 0 */
3659 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3660 break;
3661
3662 case 0x5: /* 0 1 0 1 */
3663 case 0x7: /* 0 1 1 1 */
3664 case 0xd: /* 1 1 0 1 */
3665 case 0xf: /* 1 1 1 1 */
3666 vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
3667 break;
3668
3669 default:
3670 break;
3671 }
3672 if (pause_result & (1<<0))
3673 vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3674 if (pause_result & (1<<1))
3675 vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003676
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003677}
3678
Mintz Yuval9e7e8392012-02-15 02:10:24 +00003679static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
3680 struct link_params *params,
3681 struct link_vars *vars)
3682{
3683 u16 ld_pause; /* local */
3684 u16 lp_pause; /* link partner */
3685 u16 pause_result;
3686 struct bnx2x *bp = params->bp;
3687 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
3688 bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
3689 bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
Yaniv Rosnerca05f292012-04-04 01:28:55 +00003690 } else if (CHIP_IS_E3(bp) &&
3691 SINGLE_MEDIA_DIRECT(params)) {
3692 u8 lane = bnx2x_get_warpcore_lane(phy, params);
3693 u16 gp_status, gp_mask;
3694 bnx2x_cl45_read(bp, phy,
3695 MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
3696 &gp_status);
3697 gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
3698 MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
3699 lane;
3700 if ((gp_status & gp_mask) == gp_mask) {
3701 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3702 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3703 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3704 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3705 } else {
3706 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3707 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3708 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3709 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3710 ld_pause = ((ld_pause &
3711 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3712 << 3);
3713 lp_pause = ((lp_pause &
3714 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3715 << 3);
3716 }
Mintz Yuval9e7e8392012-02-15 02:10:24 +00003717 } else {
3718 bnx2x_cl45_read(bp, phy,
3719 MDIO_AN_DEVAD,
3720 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3721 bnx2x_cl45_read(bp, phy,
3722 MDIO_AN_DEVAD,
3723 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3724 }
3725 pause_result = (ld_pause &
3726 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3727 pause_result |= (lp_pause &
3728 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3729 DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
3730 bnx2x_pause_resolve(vars, pause_result);
3731
3732}
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003733
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003734static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3735 struct link_params *params,
3736 struct link_vars *vars)
3737{
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003738 u8 ret = 0;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003739 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Mintz Yuval9e7e8392012-02-15 02:10:24 +00003740 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
3741 /* Update the advertised flow-controled of LD/LP in AN */
3742 if (phy->req_line_speed == SPEED_AUTO_NEG)
3743 bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3744 /* But set the flow-control result as the requested one */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003745 vars->flow_ctrl = phy->req_flow_ctrl;
Mintz Yuval9e7e8392012-02-15 02:10:24 +00003746 } else if (phy->req_line_speed != SPEED_AUTO_NEG)
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003747 vars->flow_ctrl = params->req_fc_auto_adv;
3748 else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3749 ret = 1;
Mintz Yuval9e7e8392012-02-15 02:10:24 +00003750 bnx2x_ext_phy_update_adv_fc(phy, params, vars);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003751 }
3752 return ret;
3753}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003754/******************************************************************/
3755/* Warpcore section */
3756/******************************************************************/
3757/* The init_internal_warpcore should mirror the xgxs,
3758 * i.e. reset the lane (if needed), set aer for the
3759 * init configuration, and set/clear SGMII flag. Internal
3760 * phy init is done purely in phy_init stage.
3761 */
3762static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
3763 struct link_params *params,
3764 struct link_vars *vars) {
Yaniv Rosnera34bc962011-07-05 01:06:41 +00003765 u16 val16 = 0, lane, bam37 = 0;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003766 struct bnx2x *bp = params->bp;
3767 DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
Yaniv Rosner6a51c0d2012-04-04 01:28:56 +00003768 /* Set to default registers that may be overriden by 10G force */
3769 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3770 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
3771 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3772 MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
3773 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3774 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0);
3775 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3776 MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff);
3777 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3778 MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555);
3779 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3780 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0);
3781 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3782 MDIO_WC_REG_RX66_CONTROL, 0x7415);
3783 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3784 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190);
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00003785 /* Disable Autoneg: re-enable it after adv is done. */
3786 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3787 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0);
3788
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003789 /* Check adding advertisement for 1G KX */
3790 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3791 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3792 (vars->line_speed == SPEED_1000)) {
3793 u16 sd_digital;
3794 val16 |= (1<<5);
3795
3796 /* Enable CL37 1G Parallel Detect */
3797 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3798 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
3799 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3800 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3801 (sd_digital | 0x1));
3802
3803 DP(NETIF_MSG_LINK, "Advertize 1G\n");
3804 }
3805 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3806 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
3807 (vars->line_speed == SPEED_10000)) {
3808 /* Check adding advertisement for 10G KR */
3809 val16 |= (1<<7);
3810 /* Enable 10G Parallel Detect */
3811 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3812 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
3813
3814 DP(NETIF_MSG_LINK, "Advertize 10G\n");
3815 }
3816
3817 /* Set Transmit PMD settings */
3818 lane = bnx2x_get_warpcore_lane(phy, params);
3819 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3820 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3821 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3822 (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3823 (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
3824 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3825 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
3826 0x03f0);
3827 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3828 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
3829 0x03f0);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003830
3831 /* Advertised speeds */
3832 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3833 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
3834
David S. Miller8decf862011-09-22 03:23:13 -04003835 /* Advertised and set FEC (Forward Error Correction) */
3836 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3837 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
3838 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
3839 MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
3840
Yaniv Rosnera34bc962011-07-05 01:06:41 +00003841 /* Enable CL37 BAM */
3842 if (REG_RD(bp, params->shmem_base +
3843 offsetof(struct shmem_region, dev_info.
3844 port_hw_config[params->port].default_cfg)) &
3845 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
3846 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3847 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
3848 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3849 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
3850 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
3851 }
3852
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003853 /* Advertise pause */
3854 bnx2x_ext_phy_set_pause(params, phy, vars);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003855 /* Set KR Autoneg Work-Around flag for Warpcore version older than D108
Yaniv Rosner6ab48a52012-01-17 02:33:29 +00003856 */
3857 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3858 MDIO_WC_REG_UC_INFO_B1_VERSION, &val16);
3859 if (val16 < 0xd108) {
3860 DP(NETIF_MSG_LINK, "Enable AN KR work-around\n");
3861 vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
3862 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003863 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3864 MDIO_WC_REG_DIGITAL5_MISC7, &val16);
3865
3866 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3867 MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00003868
3869 /* Over 1G - AN local device user page 1 */
3870 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3871 MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
3872
3873 /* Enable Autoneg */
3874 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
Mintz Yuval1b85ae52012-02-15 02:10:25 +00003875 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00003876
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003877}
3878
3879static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
3880 struct link_params *params,
3881 struct link_vars *vars)
3882{
3883 struct bnx2x *bp = params->bp;
3884 u16 val;
3885
3886 /* Disable Autoneg */
3887 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3888 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
3889
3890 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3891 MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
3892
3893 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3894 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
3895
3896 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3897 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
3898
3899 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3900 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3901
3902 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3903 MDIO_WC_REG_DIGITAL3_UP1, 0x1);
3904
3905 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3906 MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
3907
3908 /* Disable CL36 PCS Tx */
3909 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3910 MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
3911
3912 /* Double Wide Single Data Rate @ pll rate */
3913 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3914 MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
3915
3916 /* Leave cl72 training enable, needed for KR */
3917 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3918 MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
3919 0x2);
3920
3921 /* Leave CL72 enabled */
3922 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3923 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3924 &val);
3925 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3926 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3927 val | 0x3800);
3928
3929 /* Set speed via PMA/PMD register */
3930 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3931 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
3932
3933 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3934 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
3935
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00003936 /* Enable encoded forced speed */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003937 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3938 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
3939
3940 /* Turn TX scramble payload only the 64/66 scrambler */
3941 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3942 MDIO_WC_REG_TX66_CONTROL, 0x9);
3943
3944 /* Turn RX scramble payload only the 64/66 scrambler */
3945 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3946 MDIO_WC_REG_RX66_CONTROL, 0xF9);
3947
3948 /* set and clear loopback to cause a reset to 64/66 decoder */
3949 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3950 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
3951 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3952 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3953
3954}
3955
3956static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
3957 struct link_params *params,
3958 u8 is_xfi)
3959{
3960 struct bnx2x *bp = params->bp;
3961 u16 misc1_val, tap_val, tx_driver_val, lane, val;
3962 /* Hold rxSeqStart */
3963 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3964 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
3965 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3966 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
3967
3968 /* Hold tx_fifo_reset */
3969 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3970 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
3971 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3972 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
3973
3974 /* Disable CL73 AN */
3975 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
3976
3977 /* Disable 100FX Enable and Auto-Detect */
3978 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3979 MDIO_WC_REG_FX100_CTRL1, &val);
3980 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3981 MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
3982
3983 /* Disable 100FX Idle detect */
3984 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3985 MDIO_WC_REG_FX100_CTRL3, &val);
3986 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3987 MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
3988
3989 /* Set Block address to Remote PHY & Clear forced_speed[5] */
3990 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3991 MDIO_WC_REG_DIGITAL4_MISC3, &val);
3992 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3993 MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
3994
3995 /* Turn off auto-detect & fiber mode */
3996 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3997 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
3998 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3999 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4000 (val & 0xFFEE));
4001
4002 /* Set filter_force_link, disable_false_link and parallel_detect */
4003 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4004 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
4005 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4006 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4007 ((val | 0x0006) & 0xFFFE));
4008
4009 /* Set XFI / SFI */
4010 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4011 MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
4012
4013 misc1_val &= ~(0x1f);
4014
4015 if (is_xfi) {
4016 misc1_val |= 0x5;
4017 tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
4018 (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
4019 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
4020 tx_driver_val =
4021 ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
4022 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
4023 (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
4024
4025 } else {
4026 misc1_val |= 0x9;
Yaniv Rosner25182fc2012-04-04 01:28:57 +00004027 tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
4028 (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
4029 (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004030 tx_driver_val =
Yaniv Rosner25182fc2012-04-04 01:28:57 +00004031 ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004032 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
Yaniv Rosner25182fc2012-04-04 01:28:57 +00004033 (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004034 }
4035 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4036 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
4037
4038 /* Set Transmit PMD settings */
4039 lane = bnx2x_get_warpcore_lane(phy, params);
4040 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4041 MDIO_WC_REG_TX_FIR_TAP,
4042 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
4043 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4044 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4045 tx_driver_val);
4046
4047 /* Enable fiber mode, enable and invert sig_det */
4048 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4049 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
4050 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4051 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
4052
4053 /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
4054 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4055 MDIO_WC_REG_DIGITAL4_MISC3, &val);
4056 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4057 MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
4058
Yuval Mintzc8c60d82012-06-06 17:13:07 +00004059 /* Enable LPI pass through */
Yuval Mintz79504d72012-06-17 02:04:50 +00004060 DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
4061 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4062 MDIO_WC_REG_EEE_COMBO_CONTROL0,
4063 0x7c);
4064 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4065 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00004066
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004067 /* 10G XFI Full Duplex */
4068 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4069 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
4070
4071 /* Release tx_fifo_reset */
4072 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4073 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
4074 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4075 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
4076
4077 /* Release rxSeqStart */
4078 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4079 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
4080 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4081 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
4082}
4083
4084static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
4085 struct bnx2x_phy *phy)
4086{
4087 DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
4088}
4089
4090static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
4091 struct bnx2x_phy *phy,
4092 u16 lane)
4093{
4094 /* Rx0 anaRxControl1G */
4095 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4096 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
4097
4098 /* Rx2 anaRxControl1G */
4099 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4100 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
4101
4102 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4103 MDIO_WC_REG_RX66_SCW0, 0xE070);
4104
4105 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4106 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
4107
4108 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4109 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
4110
4111 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4112 MDIO_WC_REG_RX66_SCW3, 0x8090);
4113
4114 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4115 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
4116
4117 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4118 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
4119
4120 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4121 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
4122
4123 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4124 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
4125
4126 /* Serdes Digital Misc1 */
4127 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4128 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
4129
4130 /* Serdes Digital4 Misc3 */
4131 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4132 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
4133
4134 /* Set Transmit PMD settings */
4135 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4136 MDIO_WC_REG_TX_FIR_TAP,
4137 ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
4138 (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
4139 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
4140 MDIO_WC_REG_TX_FIR_TAP_ENABLE));
4141 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4142 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4143 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
4144 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
4145 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
4146}
4147
4148static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
4149 struct link_params *params,
Yaniv Rosner521683d2011-11-28 00:49:48 +00004150 u8 fiber_mode,
4151 u8 always_autoneg)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004152{
4153 struct bnx2x *bp = params->bp;
4154 u16 val16, digctrl_kx1, digctrl_kx2;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004155
4156 /* Clear XFI clock comp in non-10G single lane mode. */
4157 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4158 MDIO_WC_REG_RX66_CONTROL, &val16);
4159 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4160 MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
4161
Yaniv Rosner521683d2011-11-28 00:49:48 +00004162 if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004163 /* SGMII Autoneg */
4164 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4165 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4166 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4167 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4168 val16 | 0x1000);
4169 DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
4170 } else {
4171 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4172 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
Yaniv Rosner521683d2011-11-28 00:49:48 +00004173 val16 &= 0xcebf;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004174 switch (phy->req_line_speed) {
4175 case SPEED_10:
4176 break;
4177 case SPEED_100:
4178 val16 |= 0x2000;
4179 break;
4180 case SPEED_1000:
4181 val16 |= 0x0040;
4182 break;
4183 default:
Joe Perches94f05b02011-08-14 12:16:20 +00004184 DP(NETIF_MSG_LINK,
4185 "Speed not supported: 0x%x\n", phy->req_line_speed);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004186 return;
4187 }
4188
4189 if (phy->req_duplex == DUPLEX_FULL)
4190 val16 |= 0x0100;
4191
4192 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4193 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
4194
4195 DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
4196 phy->req_line_speed);
4197 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4198 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4199 DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
4200 }
4201
4202 /* SGMII Slave mode and disable signal detect */
4203 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4204 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
4205 if (fiber_mode)
4206 digctrl_kx1 = 1;
4207 else
4208 digctrl_kx1 &= 0xff4a;
4209
4210 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4211 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4212 digctrl_kx1);
4213
4214 /* Turn off parallel detect */
4215 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4216 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
4217 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4218 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4219 (digctrl_kx2 & ~(1<<2)));
4220
4221 /* Re-enable parallel detect */
4222 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4223 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4224 (digctrl_kx2 | (1<<2)));
4225
4226 /* Enable autodet */
4227 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4228 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4229 (digctrl_kx1 | 0x10));
4230}
4231
4232static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
4233 struct bnx2x_phy *phy,
4234 u8 reset)
4235{
4236 u16 val;
4237 /* Take lane out of reset after configuration is finished */
4238 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4239 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4240 if (reset)
4241 val |= 0xC000;
4242 else
4243 val &= 0x3FFF;
4244 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4245 MDIO_WC_REG_DIGITAL5_MISC6, val);
4246 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4247 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4248}
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004249/* Clear SFI/XFI link settings registers */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004250static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
4251 struct link_params *params,
4252 u16 lane)
4253{
4254 struct bnx2x *bp = params->bp;
4255 u16 val16;
4256
4257 /* Set XFI clock comp as default. */
4258 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4259 MDIO_WC_REG_RX66_CONTROL, &val16);
4260 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4261 MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
4262
4263 bnx2x_warpcore_reset_lane(bp, phy, 1);
4264 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
4265 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4266 MDIO_WC_REG_FX100_CTRL1, 0x014a);
4267 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4268 MDIO_WC_REG_FX100_CTRL3, 0x0800);
4269 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4270 MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
4271 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4272 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
4273 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4274 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
4275 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4276 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
4277 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4278 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
4279 lane = bnx2x_get_warpcore_lane(phy, params);
4280 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4281 MDIO_WC_REG_TX_FIR_TAP, 0x0000);
4282 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4283 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
4284 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4285 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
4286 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4287 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
4288 bnx2x_warpcore_reset_lane(bp, phy, 0);
4289}
4290
4291static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
4292 u32 chip_id,
4293 u32 shmem_base, u8 port,
4294 u8 *gpio_num, u8 *gpio_port)
4295{
4296 u32 cfg_pin;
4297 *gpio_num = 0;
4298 *gpio_port = 0;
4299 if (CHIP_IS_E3(bp)) {
4300 cfg_pin = (REG_RD(bp, shmem_base +
4301 offsetof(struct shmem_region,
4302 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4303 PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4304 PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4305
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004306 /* Should not happen. This function called upon interrupt
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004307 * triggered by GPIO ( since EPIO can only generate interrupts
4308 * to MCP).
4309 * So if this function was called and none of the GPIOs was set,
4310 * it means the shit hit the fan.
4311 */
4312 if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4313 (cfg_pin > PIN_CFG_GPIO3_P1)) {
Joe Perches94f05b02011-08-14 12:16:20 +00004314 DP(NETIF_MSG_LINK,
4315 "ERROR: Invalid cfg pin %x for module detect indication\n",
4316 cfg_pin);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004317 return -EINVAL;
4318 }
4319
4320 *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4321 *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4322 } else {
4323 *gpio_num = MISC_REGISTERS_GPIO_3;
4324 *gpio_port = port;
4325 }
4326 DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
4327 return 0;
4328}
4329
4330static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
4331 struct link_params *params)
4332{
4333 struct bnx2x *bp = params->bp;
4334 u8 gpio_num, gpio_port;
4335 u32 gpio_val;
4336 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
4337 params->shmem_base, params->port,
4338 &gpio_num, &gpio_port) != 0)
4339 return 0;
4340 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
4341
4342 /* Call the handling function in case module is detected */
4343 if (gpio_val == 0)
4344 return 1;
4345 else
4346 return 0;
4347}
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004348static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
4349 struct link_params *params)
4350{
4351 u16 gp2_status_reg0, lane;
4352 struct bnx2x *bp = params->bp;
4353
4354 lane = bnx2x_get_warpcore_lane(phy, params);
4355
4356 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
4357 &gp2_status_reg0);
4358
4359 return (gp2_status_reg0 >> (8+lane)) & 0x1;
4360}
4361
4362static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
4363 struct link_params *params,
4364 struct link_vars *vars)
4365{
4366 struct bnx2x *bp = params->bp;
4367 u32 serdes_net_if;
4368 u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
4369 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4370
4371 vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
4372
4373 if (!vars->turn_to_run_wc_rt)
4374 return;
4375
4376 /* return if there is no link partner */
4377 if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
4378 DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
4379 return;
4380 }
4381
4382 if (vars->rx_tx_asic_rst) {
4383 serdes_net_if = (REG_RD(bp, params->shmem_base +
4384 offsetof(struct shmem_region, dev_info.
4385 port_hw_config[params->port].default_cfg)) &
4386 PORT_HW_CFG_NET_SERDES_IF_MASK);
4387
4388 switch (serdes_net_if) {
4389 case PORT_HW_CFG_NET_SERDES_IF_KR:
4390 /* Do we get link yet? */
4391 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
4392 &gp_status1);
4393 lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
4394 /*10G KR*/
4395 lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
4396
4397 DP(NETIF_MSG_LINK,
4398 "gp_status1 0x%x\n", gp_status1);
4399
4400 if (lnkup_kr || lnkup) {
4401 vars->rx_tx_asic_rst = 0;
4402 DP(NETIF_MSG_LINK,
4403 "link up, rx_tx_asic_rst 0x%x\n",
4404 vars->rx_tx_asic_rst);
4405 } else {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004406 /* Reset the lane to see if link comes up.*/
Yaniv Rosnera9077bf2011-10-27 05:09:46 +00004407 bnx2x_warpcore_reset_lane(bp, phy, 1);
4408 bnx2x_warpcore_reset_lane(bp, phy, 0);
4409
4410 /* restart Autoneg */
4411 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4412 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4413
4414 vars->rx_tx_asic_rst--;
4415 DP(NETIF_MSG_LINK, "0x%x retry left\n",
4416 vars->rx_tx_asic_rst);
4417 }
4418 break;
4419
4420 default:
4421 break;
4422 }
4423
4424 } /*params->rx_tx_asic_rst*/
4425
4426}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004427static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
4428 struct link_params *params,
4429 struct link_vars *vars)
4430{
4431 struct bnx2x *bp = params->bp;
4432 u32 serdes_net_if;
4433 u8 fiber_mode;
4434 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4435 serdes_net_if = (REG_RD(bp, params->shmem_base +
4436 offsetof(struct shmem_region, dev_info.
4437 port_hw_config[params->port].default_cfg)) &
4438 PORT_HW_CFG_NET_SERDES_IF_MASK);
4439 DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
4440 "serdes_net_if = 0x%x\n",
4441 vars->line_speed, serdes_net_if);
4442 bnx2x_set_aer_mmd(params, phy);
4443
4444 vars->phy_flags |= PHY_XGXS_FLAG;
4445 if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4446 (phy->req_line_speed &&
4447 ((phy->req_line_speed == SPEED_100) ||
4448 (phy->req_line_speed == SPEED_10)))) {
4449 vars->phy_flags |= PHY_SGMII_FLAG;
4450 DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
4451 bnx2x_warpcore_clear_regs(phy, params, lane);
Yaniv Rosner521683d2011-11-28 00:49:48 +00004452 bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004453 } else {
4454 switch (serdes_net_if) {
4455 case PORT_HW_CFG_NET_SERDES_IF_KR:
4456 /* Enable KR Auto Neg */
Yaniv Rosner6a51c0d2012-04-04 01:28:56 +00004457 if (params->loopback_mode != LOOPBACK_EXT)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004458 bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4459 else {
4460 DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
4461 bnx2x_warpcore_set_10G_KR(phy, params, vars);
4462 }
4463 break;
4464
4465 case PORT_HW_CFG_NET_SERDES_IF_XFI:
4466 bnx2x_warpcore_clear_regs(phy, params, lane);
4467 if (vars->line_speed == SPEED_10000) {
4468 DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
4469 bnx2x_warpcore_set_10G_XFI(phy, params, 1);
4470 } else {
4471 if (SINGLE_MEDIA_DIRECT(params)) {
4472 DP(NETIF_MSG_LINK, "1G Fiber\n");
4473 fiber_mode = 1;
4474 } else {
4475 DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
4476 fiber_mode = 0;
4477 }
4478 bnx2x_warpcore_set_sgmii_speed(phy,
4479 params,
Yaniv Rosner521683d2011-11-28 00:49:48 +00004480 fiber_mode,
4481 0);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004482 }
4483
4484 break;
4485
4486 case PORT_HW_CFG_NET_SERDES_IF_SFI:
4487
4488 bnx2x_warpcore_clear_regs(phy, params, lane);
4489 if (vars->line_speed == SPEED_10000) {
4490 DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
4491 bnx2x_warpcore_set_10G_XFI(phy, params, 0);
4492 } else if (vars->line_speed == SPEED_1000) {
4493 DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
Yaniv Rosner521683d2011-11-28 00:49:48 +00004494 bnx2x_warpcore_set_sgmii_speed(
4495 phy, params, 1, 0);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004496 }
4497 /* Issue Module detection */
4498 if (bnx2x_is_sfp_module_plugged(phy, params))
4499 bnx2x_sfp_module_detection(phy, params);
4500 break;
4501
4502 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4503 if (vars->line_speed != SPEED_20000) {
4504 DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4505 return;
4506 }
4507 DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
4508 bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
4509 /* Issue Module detection */
4510
4511 bnx2x_sfp_module_detection(phy, params);
4512 break;
4513
4514 case PORT_HW_CFG_NET_SERDES_IF_KR2:
4515 if (vars->line_speed != SPEED_20000) {
4516 DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4517 return;
4518 }
4519 DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
4520 bnx2x_warpcore_set_20G_KR2(bp, phy);
4521 break;
4522
4523 default:
Joe Perches94f05b02011-08-14 12:16:20 +00004524 DP(NETIF_MSG_LINK,
4525 "Unsupported Serdes Net Interface 0x%x\n",
4526 serdes_net_if);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004527 return;
4528 }
4529 }
4530
4531 /* Take lane out of reset after configuration is finished */
4532 bnx2x_warpcore_reset_lane(bp, phy, 0);
4533 DP(NETIF_MSG_LINK, "Exit config init\n");
4534}
4535
4536static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
4537 struct bnx2x_phy *phy,
4538 u8 tx_en)
4539{
4540 struct bnx2x *bp = params->bp;
4541 u32 cfg_pin;
4542 u8 port = params->port;
4543
4544 cfg_pin = REG_RD(bp, params->shmem_base +
4545 offsetof(struct shmem_region,
4546 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4547 PORT_HW_CFG_TX_LASER_MASK;
4548 /* Set the !tx_en since this pin is DISABLE_TX_LASER */
4549 DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
4550 /* For 20G, the expected pin to be used is 3 pins after the current */
4551
4552 bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
4553 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4554 bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
4555}
4556
4557static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
4558 struct link_params *params)
4559{
4560 struct bnx2x *bp = params->bp;
4561 u16 val16;
4562 bnx2x_sfp_e3_set_transmitter(params, phy, 0);
4563 bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
4564 bnx2x_set_aer_mmd(params, phy);
4565 /* Global register */
4566 bnx2x_warpcore_reset_lane(bp, phy, 1);
4567
4568 /* Clear loopback settings (if any) */
4569 /* 10G & 20G */
4570 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4571 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4572 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4573 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
4574 0xBFFF);
4575
4576 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4577 MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
4578 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4579 MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
4580
4581 /* Update those 1-copy registers */
4582 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4583 MDIO_AER_BLOCK_AER_REG, 0);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004584 /* Enable 1G MDIO (1-copy) */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004585 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4586 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4587 &val16);
4588 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4589 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4590 val16 & ~0x10);
4591
4592 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4593 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4594 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4595 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4596 val16 & 0xff00);
4597
4598}
4599
4600static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
4601 struct link_params *params)
4602{
4603 struct bnx2x *bp = params->bp;
4604 u16 val16;
4605 u32 lane;
4606 DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
4607 params->loopback_mode, phy->req_line_speed);
4608
4609 if (phy->req_line_speed < SPEED_10000) {
4610 /* 10/100/1000 */
4611
4612 /* Update those 1-copy registers */
4613 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4614 MDIO_AER_BLOCK_AER_REG, 0);
4615 /* Enable 1G MDIO (1-copy) */
4616 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4617 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4618 &val16);
4619 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4620 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4621 val16 | 0x10);
4622 /* Set 1G loopback based on lane (1-copy) */
4623 lane = bnx2x_get_warpcore_lane(phy, params);
4624 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4625 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4626 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4627 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4628 val16 | (1<<lane));
4629
4630 /* Switch back to 4-copy registers */
4631 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004632 } else {
4633 /* 10G & 20G */
4634 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4635 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4636 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4637 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
4638 0x4000);
4639
4640 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4641 MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
4642 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4643 MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
4644 }
4645}
4646
4647
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004648void bnx2x_sync_link(struct link_params *params,
4649 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004650{
4651 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004652 u8 link_10g_plus;
Yaniv Rosnerde6f3372011-08-02 22:59:25 +00004653 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4654 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004655 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004656 if (vars->link_up) {
4657 DP(NETIF_MSG_LINK, "phy link up\n");
4658
4659 vars->phy_link_up = 1;
4660 vars->duplex = DUPLEX_FULL;
4661 switch (vars->link_status &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004662 LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004663 case LINK_10THD:
4664 vars->duplex = DUPLEX_HALF;
4665 /* Fall thru */
4666 case LINK_10TFD:
4667 vars->line_speed = SPEED_10;
4668 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004669
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004670 case LINK_100TXHD:
4671 vars->duplex = DUPLEX_HALF;
4672 /* Fall thru */
4673 case LINK_100T4:
4674 case LINK_100TXFD:
4675 vars->line_speed = SPEED_100;
4676 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004677
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004678 case LINK_1000THD:
4679 vars->duplex = DUPLEX_HALF;
4680 /* Fall thru */
4681 case LINK_1000TFD:
4682 vars->line_speed = SPEED_1000;
4683 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004684
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004685 case LINK_2500THD:
4686 vars->duplex = DUPLEX_HALF;
4687 /* Fall thru */
4688 case LINK_2500TFD:
4689 vars->line_speed = SPEED_2500;
4690 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004691
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004692 case LINK_10GTFD:
4693 vars->line_speed = SPEED_10000;
4694 break;
4695 case LINK_20GTFD:
4696 vars->line_speed = SPEED_20000;
4697 break;
4698 default:
4699 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004700 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004701 vars->flow_ctrl = 0;
4702 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
4703 vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
4704
4705 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
4706 vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
4707
4708 if (!vars->flow_ctrl)
4709 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4710
4711 if (vars->line_speed &&
4712 ((vars->line_speed == SPEED_10) ||
4713 (vars->line_speed == SPEED_100))) {
4714 vars->phy_flags |= PHY_SGMII_FLAG;
4715 } else {
4716 vars->phy_flags &= ~PHY_SGMII_FLAG;
4717 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004718 if (vars->line_speed &&
4719 USES_WARPCORE(bp) &&
4720 (vars->line_speed == SPEED_1000))
4721 vars->phy_flags |= PHY_SGMII_FLAG;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004722 /* anything 10 and over uses the bmac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004723 link_10g_plus = (vars->line_speed >= SPEED_10000);
4724
4725 if (link_10g_plus) {
4726 if (USES_WARPCORE(bp))
4727 vars->mac_type = MAC_TYPE_XMAC;
4728 else
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004729 vars->mac_type = MAC_TYPE_BMAC;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004730 } else {
4731 if (USES_WARPCORE(bp))
4732 vars->mac_type = MAC_TYPE_UMAC;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004733 else
4734 vars->mac_type = MAC_TYPE_EMAC;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004735 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004736 } else { /* link down */
4737 DP(NETIF_MSG_LINK, "phy link down\n");
4738
4739 vars->phy_link_up = 0;
4740
4741 vars->line_speed = 0;
4742 vars->duplex = DUPLEX_FULL;
4743 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4744
4745 /* indicate no mac active */
4746 vars->mac_type = MAC_TYPE_NONE;
Yaniv Rosnerde6f3372011-08-02 22:59:25 +00004747 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4748 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +00004749 if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
4750 vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004751 }
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004752}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004753
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004754void bnx2x_link_status_update(struct link_params *params,
4755 struct link_vars *vars)
4756{
4757 struct bnx2x *bp = params->bp;
4758 u8 port = params->port;
4759 u32 sync_offset, media_types;
4760 /* Update PHY configuration */
4761 set_phy_vars(params, vars);
4762
4763 vars->link_status = REG_RD(bp, params->shmem_base +
4764 offsetof(struct shmem_region,
4765 port_mb[port].link_status));
4766
4767 vars->phy_flags = PHY_XGXS_FLAG;
4768 bnx2x_sync_link(params, vars);
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00004769 /* Sync media type */
4770 sync_offset = params->shmem_base +
4771 offsetof(struct shmem_region,
4772 dev_info.port_hw_config[port].media_type);
4773 media_types = REG_RD(bp, sync_offset);
4774
4775 params->phy[INT_PHY].media_type =
4776 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
4777 PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
4778 params->phy[EXT_PHY1].media_type =
4779 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
4780 PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
4781 params->phy[EXT_PHY2].media_type =
4782 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
4783 PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
4784 DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
4785
Yaniv Rosner020c7e32011-05-31 21:28:43 +00004786 /* Sync AEU offset */
4787 sync_offset = params->shmem_base +
4788 offsetof(struct shmem_region,
4789 dev_info.port_hw_config[port].aeu_int_mask);
4790
4791 vars->aeu_int_mask = REG_RD(bp, sync_offset);
4792
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00004793 /* Sync PFC status */
4794 if (vars->link_status & LINK_STATUS_PFC_ENABLED)
4795 params->feature_config_flags |=
4796 FEATURE_CONFIG_PFC_ENABLED;
4797 else
4798 params->feature_config_flags &=
4799 ~FEATURE_CONFIG_PFC_ENABLED;
4800
Yaniv Rosner020c7e32011-05-31 21:28:43 +00004801 DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
4802 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004803 DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
4804 vars->line_speed, vars->duplex, vars->flow_ctrl);
4805}
4806
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004807static void bnx2x_set_master_ln(struct link_params *params,
4808 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004809{
4810 struct bnx2x *bp = params->bp;
4811 u16 new_master_ln, ser_lane;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004812 ser_lane = ((params->lane_config &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004813 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004814 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004815
4816 /* set the master_ln for AN */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004817 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004818 MDIO_REG_BANK_XGXS_BLOCK2,
4819 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4820 &new_master_ln);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004821
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004822 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004823 MDIO_REG_BANK_XGXS_BLOCK2 ,
4824 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4825 (new_master_ln | ser_lane));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004826}
4827
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004828static int bnx2x_reset_unicore(struct link_params *params,
4829 struct bnx2x_phy *phy,
4830 u8 set_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004831{
4832 struct bnx2x *bp = params->bp;
4833 u16 mii_control;
4834 u16 i;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004835 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004836 MDIO_REG_BANK_COMBO_IEEE0,
4837 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004838
4839 /* reset the unicore */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004840 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004841 MDIO_REG_BANK_COMBO_IEEE0,
4842 MDIO_COMBO_IEEE0_MII_CONTROL,
4843 (mii_control |
4844 MDIO_COMBO_IEEO_MII_CONTROL_RESET));
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004845 if (set_serdes)
4846 bnx2x_set_serdes_access(bp, params->port);
Eilon Greensteinc1b73992009-02-12 08:37:07 +00004847
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004848 /* wait for the reset to self clear */
4849 for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
4850 udelay(5);
4851
4852 /* the reset erased the previous bank value */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004853 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004854 MDIO_REG_BANK_COMBO_IEEE0,
4855 MDIO_COMBO_IEEE0_MII_CONTROL,
4856 &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004857
4858 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
4859 udelay(5);
4860 return 0;
4861 }
4862 }
4863
Yaniv Rosner6d870c32011-01-31 04:22:20 +00004864 netdev_err(bp->dev, "Warning: PHY was not initialized,"
4865 " Port %d\n",
4866 params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004867 DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
4868 return -EINVAL;
4869
4870}
4871
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004872static void bnx2x_set_swap_lanes(struct link_params *params,
4873 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004874{
4875 struct bnx2x *bp = params->bp;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00004876 /* Each two bits represents a lane number:
4877 * No swap is 0123 => 0x1b no need to enable the swap
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004878 */
Yaniv Rosner2f751a82011-11-28 00:49:52 +00004879 u16 rx_lane_swap, tx_lane_swap;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004880
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004881 rx_lane_swap = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004882 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
4883 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004884 tx_lane_swap = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004885 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
4886 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004887
4888 if (rx_lane_swap != 0x1b) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004889 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004890 MDIO_REG_BANK_XGXS_BLOCK2,
4891 MDIO_XGXS_BLOCK2_RX_LN_SWAP,
4892 (rx_lane_swap |
4893 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
4894 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004895 } else {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004896 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004897 MDIO_REG_BANK_XGXS_BLOCK2,
4898 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004899 }
4900
4901 if (tx_lane_swap != 0x1b) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004902 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004903 MDIO_REG_BANK_XGXS_BLOCK2,
4904 MDIO_XGXS_BLOCK2_TX_LN_SWAP,
4905 (tx_lane_swap |
4906 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004907 } else {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004908 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004909 MDIO_REG_BANK_XGXS_BLOCK2,
4910 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004911 }
4912}
4913
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004914static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
4915 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004916{
4917 struct bnx2x *bp = params->bp;
4918 u16 control2;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004919 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004920 MDIO_REG_BANK_SERDES_DIGITAL,
4921 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4922 &control2);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004923 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02004924 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4925 else
4926 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004927 DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
4928 phy->speed_cap_mask, control2);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004929 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004930 MDIO_REG_BANK_SERDES_DIGITAL,
4931 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4932 control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004933
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004934 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00004935 (phy->speed_cap_mask &
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02004936 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004937 DP(NETIF_MSG_LINK, "XGXS\n");
4938
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004939 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004940 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4941 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
4942 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004943
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004944 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004945 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4946 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4947 &control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004948
4949
4950 control2 |=
4951 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
4952
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_10G_PARALLEL_DETECT,
4955 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4956 control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004957
4958 /* Disable parallel detection of HiG */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004959 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004960 MDIO_REG_BANK_XGXS_BLOCK2,
4961 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
4962 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
4963 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004964 }
4965}
4966
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004967static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
4968 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004969 struct link_vars *vars,
4970 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004971{
4972 struct bnx2x *bp = params->bp;
4973 u16 reg_val;
4974
4975 /* CL37 Autoneg */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004976 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004977 MDIO_REG_BANK_COMBO_IEEE0,
4978 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004979
4980 /* CL37 Autoneg Enabled */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004981 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004982 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
4983 else /* CL37 Autoneg Disabled */
4984 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4985 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
4986
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004987 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004988 MDIO_REG_BANK_COMBO_IEEE0,
4989 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004990
4991 /* Enable/Disable Autodetection */
4992
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004993 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004994 MDIO_REG_BANK_SERDES_DIGITAL,
4995 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00004996 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
4997 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
4998 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004999 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005000 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5001 else
5002 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5003
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005004 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005005 MDIO_REG_BANK_SERDES_DIGITAL,
5006 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005007
5008 /* Enable TetonII and BAM autoneg */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005009 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005010 MDIO_REG_BANK_BAM_NEXT_PAGE,
5011 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005012 &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005013 if (vars->line_speed == SPEED_AUTO_NEG) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005014 /* Enable BAM aneg Mode and TetonII aneg Mode */
5015 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5016 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5017 } else {
5018 /* TetonII and BAM Autoneg Disabled */
5019 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5020 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5021 }
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005022 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005023 MDIO_REG_BANK_BAM_NEXT_PAGE,
5024 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5025 reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005026
Eilon Greenstein239d6862009-08-12 08:23:04 +00005027 if (enable_cl73) {
5028 /* Enable Cl73 FSM status bits */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005029 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005030 MDIO_REG_BANK_CL73_USERB0,
5031 MDIO_CL73_USERB0_CL73_UCTRL,
5032 0xe);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005033
5034 /* Enable BAM Station Manager*/
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005035 CL22_WR_OVER_CL45(bp, phy,
Eilon Greenstein239d6862009-08-12 08:23:04 +00005036 MDIO_REG_BANK_CL73_USERB0,
5037 MDIO_CL73_USERB0_CL73_BAM_CTRL1,
5038 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
5039 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
5040 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
5041
Yaniv Rosner7846e472009-11-05 19:18:07 +02005042 /* Advertise CL73 link speeds */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005043 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005044 MDIO_REG_BANK_CL73_IEEEB1,
5045 MDIO_CL73_IEEEB1_AN_ADV2,
5046 &reg_val);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005047 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02005048 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5049 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005050 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02005051 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5052 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
Eilon Greenstein239d6862009-08-12 08:23:04 +00005053
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005054 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005055 MDIO_REG_BANK_CL73_IEEEB1,
5056 MDIO_CL73_IEEEB1_AN_ADV2,
5057 reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005058
Eilon Greenstein239d6862009-08-12 08:23:04 +00005059 /* CL73 Autoneg Enabled */
5060 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
5061
5062 } else /* CL73 Autoneg Disabled */
5063 reg_val = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005064
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_CL73_IEEEB0,
5067 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005068}
5069
5070/* program SerDes, forced speed */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005071static void bnx2x_program_serdes(struct bnx2x_phy *phy,
5072 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005073 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005074{
5075 struct bnx2x *bp = params->bp;
5076 u16 reg_val;
5077
Eilon Greenstein57937202009-08-12 08:23:53 +00005078 /* program duplex, disable autoneg and sgmii*/
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005079 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005080 MDIO_REG_BANK_COMBO_IEEE0,
5081 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005082 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
Eilon Greenstein57937202009-08-12 08:23:53 +00005083 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5084 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005085 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005086 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005087 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005088 MDIO_REG_BANK_COMBO_IEEE0,
5089 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005090
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00005091 /* Program speed
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005092 * - needed only if the speed is greater than 1G (2.5G or 10G)
5093 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005094 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005095 MDIO_REG_BANK_SERDES_DIGITAL,
5096 MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005097 /* clearing the speed value before setting the right speed */
5098 DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
5099
5100 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
5101 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5102
5103 if (!((vars->line_speed == SPEED_1000) ||
5104 (vars->line_speed == SPEED_100) ||
5105 (vars->line_speed == SPEED_10))) {
5106
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005107 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
5108 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005109 if (vars->line_speed == SPEED_10000)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005110 reg_val |=
5111 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005112 }
5113
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005114 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005115 MDIO_REG_BANK_SERDES_DIGITAL,
5116 MDIO_SERDES_DIGITAL_MISC1, reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005117
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005118}
5119
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005120static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
5121 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005122{
5123 struct bnx2x *bp = params->bp;
5124 u16 val = 0;
5125
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005126 /* set extended capabilities */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005127 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005128 val |= MDIO_OVER_1G_UP1_2_5G;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005129 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005130 val |= MDIO_OVER_1G_UP1_10G;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005131 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005132 MDIO_REG_BANK_OVER_1G,
5133 MDIO_OVER_1G_UP1, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005134
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005135 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005136 MDIO_REG_BANK_OVER_1G,
5137 MDIO_OVER_1G_UP3, 0x400);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005138}
5139
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005140static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
5141 struct link_params *params,
5142 u16 ieee_fc)
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005143{
5144 struct bnx2x *bp = params->bp;
Yaniv Rosner7846e472009-11-05 19:18:07 +02005145 u16 val;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005146 /* for AN, we are always publishing full duplex */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005147
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005148 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005149 MDIO_REG_BANK_COMBO_IEEE0,
5150 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005151 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005152 MDIO_REG_BANK_CL73_IEEEB1,
5153 MDIO_CL73_IEEEB1_AN_ADV1, &val);
Yaniv Rosner7846e472009-11-05 19:18:07 +02005154 val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
5155 val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005156 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005157 MDIO_REG_BANK_CL73_IEEEB1,
5158 MDIO_CL73_IEEEB1_AN_ADV1, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005159}
5160
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005161static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
5162 struct link_params *params,
5163 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005164{
5165 struct bnx2x *bp = params->bp;
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00005166 u16 mii_control;
Eilon Greenstein239d6862009-08-12 08:23:04 +00005167
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005168 DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00005169 /* Enable and restart BAM/CL37 aneg */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005170
Eilon Greenstein239d6862009-08-12 08:23:04 +00005171 if (enable_cl73) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005172 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005173 MDIO_REG_BANK_CL73_IEEEB0,
5174 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5175 &mii_control);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005176
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005177 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005178 MDIO_REG_BANK_CL73_IEEEB0,
5179 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5180 (mii_control |
5181 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
5182 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
Eilon Greenstein239d6862009-08-12 08:23:04 +00005183 } else {
5184
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005185 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005186 MDIO_REG_BANK_COMBO_IEEE0,
5187 MDIO_COMBO_IEEE0_MII_CONTROL,
5188 &mii_control);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005189 DP(NETIF_MSG_LINK,
5190 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
5191 mii_control);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005192 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005193 MDIO_REG_BANK_COMBO_IEEE0,
5194 MDIO_COMBO_IEEE0_MII_CONTROL,
5195 (mii_control |
5196 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5197 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
Eilon Greenstein239d6862009-08-12 08:23:04 +00005198 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005199}
5200
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005201static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
5202 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005203 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005204{
5205 struct bnx2x *bp = params->bp;
5206 u16 control1;
5207
5208 /* in SGMII mode, the unicore is always slave */
5209
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005210 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005211 MDIO_REG_BANK_SERDES_DIGITAL,
5212 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5213 &control1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005214 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
5215 /* set sgmii mode (and not fiber) */
5216 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
5217 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
5218 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005219 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005220 MDIO_REG_BANK_SERDES_DIGITAL,
5221 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5222 control1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005223
5224 /* if forced speed */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005225 if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005226 /* set speed, disable autoneg */
5227 u16 mii_control;
5228
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005229 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005230 MDIO_REG_BANK_COMBO_IEEE0,
5231 MDIO_COMBO_IEEE0_MII_CONTROL,
5232 &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005233 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5234 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
5235 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
5236
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005237 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005238 case SPEED_100:
5239 mii_control |=
5240 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
5241 break;
5242 case SPEED_1000:
5243 mii_control |=
5244 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
5245 break;
5246 case SPEED_10:
5247 /* there is nothing to set for 10M */
5248 break;
5249 default:
5250 /* invalid speed for SGMII */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005251 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5252 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005253 break;
5254 }
5255
5256 /* setting the full duplex */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005257 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005258 mii_control |=
5259 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005260 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005261 MDIO_REG_BANK_COMBO_IEEE0,
5262 MDIO_COMBO_IEEE0_MII_CONTROL,
5263 mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005264
5265 } else { /* AN mode */
5266 /* enable and restart AN */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005267 bnx2x_restart_autoneg(phy, params, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005268 }
5269}
5270
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00005271/* Link management
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005272 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005273static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
5274 struct link_params *params)
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02005275{
5276 struct bnx2x *bp = params->bp;
5277 u16 pd_10g, status2_1000x;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005278 if (phy->req_line_speed != SPEED_AUTO_NEG)
5279 return 0;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005280 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005281 MDIO_REG_BANK_SERDES_DIGITAL,
5282 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5283 &status2_1000x);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005284 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005285 MDIO_REG_BANK_SERDES_DIGITAL,
5286 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5287 &status2_1000x);
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02005288 if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
5289 DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
5290 params->port);
5291 return 1;
5292 }
5293
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005294 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005295 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5296 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
5297 &pd_10g);
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02005298
5299 if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
5300 DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
5301 params->port);
5302 return 1;
5303 }
5304 return 0;
5305}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005306
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005307static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
5308 struct link_params *params,
5309 struct link_vars *vars,
5310 u32 gp_status)
5311{
5312 u16 ld_pause; /* local driver */
5313 u16 lp_pause; /* link partner */
5314 u16 pause_result;
5315 struct bnx2x *bp = params->bp;
5316 if ((gp_status &
5317 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5318 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
5319 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5320 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
5321
5322 CL22_RD_OVER_CL45(bp, phy,
5323 MDIO_REG_BANK_CL73_IEEEB1,
5324 MDIO_CL73_IEEEB1_AN_ADV1,
5325 &ld_pause);
5326 CL22_RD_OVER_CL45(bp, phy,
5327 MDIO_REG_BANK_CL73_IEEEB1,
5328 MDIO_CL73_IEEEB1_AN_LP_ADV1,
5329 &lp_pause);
5330 pause_result = (ld_pause &
5331 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
5332 pause_result |= (lp_pause &
5333 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
5334 DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
5335 } else {
5336 CL22_RD_OVER_CL45(bp, phy,
5337 MDIO_REG_BANK_COMBO_IEEE0,
5338 MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
5339 &ld_pause);
5340 CL22_RD_OVER_CL45(bp, phy,
5341 MDIO_REG_BANK_COMBO_IEEE0,
5342 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
5343 &lp_pause);
5344 pause_result = (ld_pause &
5345 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
5346 pause_result |= (lp_pause &
5347 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
5348 DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
5349 }
5350 bnx2x_pause_resolve(vars, pause_result);
5351
5352}
5353
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005354static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
5355 struct link_params *params,
5356 struct link_vars *vars,
5357 u32 gp_status)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005358{
5359 struct bnx2x *bp = params->bp;
David S. Millerc0700f92008-12-16 23:53:20 -08005360 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005361
5362 /* resolve from gp_status in case of AN complete and not sgmii */
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005363 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
5364 /* Update the advertised flow-controled of LD/LP in AN */
5365 if (phy->req_line_speed == SPEED_AUTO_NEG)
5366 bnx2x_update_adv_fc(phy, params, vars, gp_status);
5367 /* But set the flow-control result as the requested one */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005368 vars->flow_ctrl = phy->req_flow_ctrl;
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005369 } else if (phy->req_line_speed != SPEED_AUTO_NEG)
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005370 vars->flow_ctrl = params->req_fc_auto_adv;
5371 else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
5372 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005373 if (bnx2x_direct_parallel_detect_used(phy, params)) {
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02005374 vars->flow_ctrl = params->req_fc_auto_adv;
5375 return;
5376 }
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005377 bnx2x_update_adv_fc(phy, params, vars, gp_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005378 }
5379 DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
5380}
5381
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005382static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
5383 struct link_params *params)
Eilon Greenstein239d6862009-08-12 08:23:04 +00005384{
5385 struct bnx2x *bp = params->bp;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005386 u16 rx_status, ustat_val, cl37_fsm_received;
Eilon Greenstein239d6862009-08-12 08:23:04 +00005387 DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
5388 /* Step 1: Make sure signal is detected */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005389 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005390 MDIO_REG_BANK_RX0,
5391 MDIO_RX0_RX_STATUS,
5392 &rx_status);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005393 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
5394 (MDIO_RX0_RX_STATUS_SIGDET)) {
5395 DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
5396 "rx_status(0x80b0) = 0x%x\n", rx_status);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005397 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005398 MDIO_REG_BANK_CL73_IEEEB0,
5399 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5400 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005401 return;
5402 }
5403 /* Step 2: Check CL73 state machine */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005404 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005405 MDIO_REG_BANK_CL73_USERB0,
5406 MDIO_CL73_USERB0_CL73_USTAT1,
5407 &ustat_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005408 if ((ustat_val &
5409 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5410 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
5411 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5412 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
5413 DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
5414 "ustat_val(0x8371) = 0x%x\n", ustat_val);
5415 return;
5416 }
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00005417 /* Step 3: Check CL37 Message Pages received to indicate LP
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005418 * supports only CL37
5419 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005420 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005421 MDIO_REG_BANK_REMOTE_PHY,
5422 MDIO_REMOTE_PHY_MISC_RX_STATUS,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005423 &cl37_fsm_received);
5424 if ((cl37_fsm_received &
Eilon Greenstein239d6862009-08-12 08:23:04 +00005425 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5426 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
5427 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5428 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
5429 DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
5430 "misc_rx_status(0x8330) = 0x%x\n",
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005431 cl37_fsm_received);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005432 return;
5433 }
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00005434 /* The combined cl37/cl73 fsm state information indicating that
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005435 * we are connected to a device which does not support cl73, but
5436 * does support cl37 BAM. In this case we disable cl73 and
5437 * restart cl37 auto-neg
5438 */
5439
Eilon Greenstein239d6862009-08-12 08:23:04 +00005440 /* Disable CL73 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005441 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005442 MDIO_REG_BANK_CL73_IEEEB0,
5443 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5444 0);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005445 /* Restart CL37 autoneg */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005446 bnx2x_restart_autoneg(phy, params, 0);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005447 DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
5448}
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005449
5450static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
5451 struct link_params *params,
5452 struct link_vars *vars,
5453 u32 gp_status)
5454{
5455 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
5456 vars->link_status |=
5457 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5458
5459 if (bnx2x_direct_parallel_detect_used(phy, params))
5460 vars->link_status |=
5461 LINK_STATUS_PARALLEL_DETECTION_USED;
5462}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005463static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
5464 struct link_params *params,
5465 struct link_vars *vars,
5466 u16 is_link_up,
5467 u16 speed_mask,
5468 u16 is_duplex)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005469{
5470 struct bnx2x *bp = params->bp;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005471 if (phy->req_line_speed == SPEED_AUTO_NEG)
5472 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005473 if (is_link_up) {
5474 DP(NETIF_MSG_LINK, "phy link up\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005475
5476 vars->phy_link_up = 1;
5477 vars->link_status |= LINK_STATUS_LINK_UP;
5478
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005479 switch (speed_mask) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005480 case GP_STATUS_10M:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005481 vars->line_speed = SPEED_10;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005482 if (vars->duplex == DUPLEX_FULL)
5483 vars->link_status |= LINK_10TFD;
5484 else
5485 vars->link_status |= LINK_10THD;
5486 break;
5487
5488 case GP_STATUS_100M:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005489 vars->line_speed = SPEED_100;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005490 if (vars->duplex == DUPLEX_FULL)
5491 vars->link_status |= LINK_100TXFD;
5492 else
5493 vars->link_status |= LINK_100TXHD;
5494 break;
5495
5496 case GP_STATUS_1G:
5497 case GP_STATUS_1G_KX:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005498 vars->line_speed = SPEED_1000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005499 if (vars->duplex == DUPLEX_FULL)
5500 vars->link_status |= LINK_1000TFD;
5501 else
5502 vars->link_status |= LINK_1000THD;
5503 break;
5504
5505 case GP_STATUS_2_5G:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005506 vars->line_speed = SPEED_2500;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005507 if (vars->duplex == DUPLEX_FULL)
5508 vars->link_status |= LINK_2500TFD;
5509 else
5510 vars->link_status |= LINK_2500THD;
5511 break;
5512
5513 case GP_STATUS_5G:
5514 case GP_STATUS_6G:
5515 DP(NETIF_MSG_LINK,
5516 "link speed unsupported gp_status 0x%x\n",
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005517 speed_mask);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005518 return -EINVAL;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005519
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005520 case GP_STATUS_10G_KX4:
5521 case GP_STATUS_10G_HIG:
5522 case GP_STATUS_10G_CX4:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005523 case GP_STATUS_10G_KR:
5524 case GP_STATUS_10G_SFI:
5525 case GP_STATUS_10G_XFI:
5526 vars->line_speed = SPEED_10000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005527 vars->link_status |= LINK_10GTFD;
5528 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005529 case GP_STATUS_20G_DXGXS:
5530 vars->line_speed = SPEED_20000;
5531 vars->link_status |= LINK_20GTFD;
5532 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005533 default:
5534 DP(NETIF_MSG_LINK,
5535 "link speed unsupported gp_status 0x%x\n",
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005536 speed_mask);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005537 return -EINVAL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005538 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005539 } else { /* link_down */
5540 DP(NETIF_MSG_LINK, "phy link down\n");
5541
5542 vars->phy_link_up = 0;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005543
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005544 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08005545 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005546 vars->mac_type = MAC_TYPE_NONE;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005547 }
5548 DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
5549 vars->phy_link_up, vars->line_speed);
5550 return 0;
5551}
Eilon Greenstein239d6862009-08-12 08:23:04 +00005552
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005553static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
5554 struct link_params *params,
5555 struct link_vars *vars)
5556{
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005557 struct bnx2x *bp = params->bp;
5558
5559 u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
5560 int rc = 0;
5561
5562 /* Read gp_status */
5563 CL22_RD_OVER_CL45(bp, phy,
5564 MDIO_REG_BANK_GP_STATUS,
5565 MDIO_GP_STATUS_TOP_AN_STATUS1,
5566 &gp_status);
5567 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
5568 duplex = DUPLEX_FULL;
5569 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
5570 link_up = 1;
5571 speed_mask = gp_status & GP_STATUS_SPEED_MASK;
5572 DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
5573 gp_status, link_up, speed_mask);
5574 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
5575 duplex);
5576 if (rc == -EINVAL)
5577 return rc;
5578
5579 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
5580 if (SINGLE_MEDIA_DIRECT(params)) {
5581 bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
5582 if (phy->req_line_speed == SPEED_AUTO_NEG)
5583 bnx2x_xgxs_an_resolve(phy, params, vars,
5584 gp_status);
5585 }
5586 } else { /* link_down */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005587 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5588 SINGLE_MEDIA_DIRECT(params)) {
Eilon Greenstein239d6862009-08-12 08:23:04 +00005589 /* Check signal is detected */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005590 bnx2x_check_fallback_to_cl37(phy, params);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005591 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005592 }
5593
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005594 /* Read LP advertised speeds*/
5595 if (SINGLE_MEDIA_DIRECT(params) &&
5596 (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
5597 u16 val;
5598
5599 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
5600 MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
5601
5602 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5603 vars->link_status |=
5604 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5605 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5606 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5607 vars->link_status |=
5608 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5609
5610 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
5611 MDIO_OVER_1G_LP_UP1, &val);
5612
5613 if (val & MDIO_OVER_1G_UP1_2_5G)
5614 vars->link_status |=
5615 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5616 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5617 vars->link_status |=
5618 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5619 }
5620
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005621 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5622 vars->duplex, vars->flow_ctrl, vars->link_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005623 return rc;
5624}
5625
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005626static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
5627 struct link_params *params,
5628 struct link_vars *vars)
5629{
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005630 struct bnx2x *bp = params->bp;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005631 u8 lane;
5632 u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
5633 int rc = 0;
5634 lane = bnx2x_get_warpcore_lane(phy, params);
5635 /* Read gp_status */
5636 if (phy->req_line_speed > SPEED_10000) {
5637 u16 temp_link_up;
5638 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5639 1, &temp_link_up);
5640 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5641 1, &link_up);
5642 DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
5643 temp_link_up, link_up);
5644 link_up &= (1<<2);
5645 if (link_up)
5646 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5647 } else {
5648 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5649 MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
5650 DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
5651 /* Check for either KR or generic link up. */
5652 gp_status1 = ((gp_status1 >> 8) & 0xf) |
5653 ((gp_status1 >> 12) & 0xf);
5654 link_up = gp_status1 & (1 << lane);
5655 if (link_up && SINGLE_MEDIA_DIRECT(params)) {
5656 u16 pd, gp_status4;
5657 if (phy->req_line_speed == SPEED_AUTO_NEG) {
5658 /* Check Autoneg complete */
5659 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5660 MDIO_WC_REG_GP2_STATUS_GP_2_4,
5661 &gp_status4);
5662 if (gp_status4 & ((1<<12)<<lane))
5663 vars->link_status |=
5664 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5665
5666 /* Check parallel detect used */
5667 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5668 MDIO_WC_REG_PAR_DET_10G_STATUS,
5669 &pd);
5670 if (pd & (1<<15))
5671 vars->link_status |=
5672 LINK_STATUS_PARALLEL_DETECTION_USED;
5673 }
5674 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5675 }
5676 }
5677
Mintz Yuval9e7e8392012-02-15 02:10:24 +00005678 if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
5679 SINGLE_MEDIA_DIRECT(params)) {
5680 u16 val;
5681
5682 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5683 MDIO_AN_REG_LP_AUTO_NEG2, &val);
5684
5685 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5686 vars->link_status |=
5687 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5688 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5689 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5690 vars->link_status |=
5691 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5692
5693 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5694 MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
5695
5696 if (val & MDIO_OVER_1G_UP1_2_5G)
5697 vars->link_status |=
5698 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5699 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5700 vars->link_status |=
5701 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5702
5703 }
5704
5705
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005706 if (lane < 2) {
5707 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5708 MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
5709 } else {
5710 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5711 MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
5712 }
5713 DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
5714
5715 if ((lane & 1) == 0)
5716 gp_speed <<= 8;
5717 gp_speed &= 0x3f00;
5718
5719
5720 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
5721 duplex);
5722
5723 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5724 vars->duplex, vars->flow_ctrl, vars->link_status);
5725 return rc;
5726}
Eilon Greensteined8680a2009-02-12 08:37:12 +00005727static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005728{
5729 struct bnx2x *bp = params->bp;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005730 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005731 u16 lp_up2;
5732 u16 tx_driver;
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005733 u16 bank;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005734
5735 /* read precomp */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005736 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005737 MDIO_REG_BANK_OVER_1G,
5738 MDIO_OVER_1G_LP_UP2, &lp_up2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005739
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005740 /* bits [10:7] at lp_up2, positioned at [15:12] */
5741 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
5742 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
5743 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
5744
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005745 if (lp_up2 == 0)
5746 return;
5747
5748 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
5749 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005750 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005751 bank,
5752 MDIO_TX0_TX_DRIVER, &tx_driver);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005753
5754 /* replace tx_driver bits [15:12] */
5755 if (lp_up2 !=
5756 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
5757 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
5758 tx_driver |= lp_up2;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005759 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005760 bank,
5761 MDIO_TX0_TX_DRIVER, tx_driver);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005762 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005763 }
5764}
5765
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005766static int bnx2x_emac_program(struct link_params *params,
5767 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005768{
5769 struct bnx2x *bp = params->bp;
5770 u8 port = params->port;
5771 u16 mode = 0;
5772
5773 DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
5774 bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005775 EMAC_REG_EMAC_MODE,
5776 (EMAC_MODE_25G_MODE |
5777 EMAC_MODE_PORT_MII_10M |
5778 EMAC_MODE_HALF_DUPLEX));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005779 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005780 case SPEED_10:
5781 mode |= EMAC_MODE_PORT_MII_10M;
5782 break;
5783
5784 case SPEED_100:
5785 mode |= EMAC_MODE_PORT_MII;
5786 break;
5787
5788 case SPEED_1000:
5789 mode |= EMAC_MODE_PORT_GMII;
5790 break;
5791
5792 case SPEED_2500:
5793 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
5794 break;
5795
5796 default:
5797 /* 10G not valid for EMAC */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005798 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5799 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005800 return -EINVAL;
5801 }
5802
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005803 if (vars->duplex == DUPLEX_HALF)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005804 mode |= EMAC_MODE_HALF_DUPLEX;
5805 bnx2x_bits_en(bp,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005806 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
5807 mode);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005808
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005809 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005810 return 0;
5811}
5812
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005813static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
5814 struct link_params *params)
5815{
5816
5817 u16 bank, i = 0;
5818 struct bnx2x *bp = params->bp;
5819
5820 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
5821 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005822 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005823 bank,
5824 MDIO_RX0_RX_EQ_BOOST,
5825 phy->rx_preemphasis[i]);
5826 }
5827
5828 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
5829 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005830 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005831 bank,
5832 MDIO_TX0_TX_DRIVER,
5833 phy->tx_preemphasis[i]);
5834 }
5835}
5836
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005837static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
5838 struct link_params *params,
5839 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005840{
5841 struct bnx2x *bp = params->bp;
5842 u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
5843 (params->loopback_mode == LOOPBACK_XGXS));
5844 if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
5845 if (SINGLE_MEDIA_DIRECT(params) &&
5846 (params->feature_config_flags &
5847 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
5848 bnx2x_set_preemphasis(phy, params);
5849
5850 /* forced speed requested? */
5851 if (vars->line_speed != SPEED_AUTO_NEG ||
5852 (SINGLE_MEDIA_DIRECT(params) &&
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005853 params->loopback_mode == LOOPBACK_EXT)) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005854 DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
5855
5856 /* disable autoneg */
5857 bnx2x_set_autoneg(phy, params, vars, 0);
5858
5859 /* program speed and duplex */
5860 bnx2x_program_serdes(phy, params, vars);
5861
5862 } else { /* AN_mode */
5863 DP(NETIF_MSG_LINK, "not SGMII, AN\n");
5864
5865 /* AN enabled */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005866 bnx2x_set_brcm_cl37_advertisement(phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005867
5868 /* program duplex & pause advertisement (for aneg) */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005869 bnx2x_set_ieee_aneg_advertisement(phy, params,
5870 vars->ieee_fc);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005871
5872 /* enable autoneg */
5873 bnx2x_set_autoneg(phy, params, vars, enable_cl73);
5874
5875 /* enable and restart AN */
5876 bnx2x_restart_autoneg(phy, params, enable_cl73);
5877 }
5878
5879 } else { /* SGMII mode */
5880 DP(NETIF_MSG_LINK, "SGMII\n");
5881
5882 bnx2x_initialize_sgmii_process(phy, params, vars);
5883 }
5884}
5885
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005886static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
5887 struct link_params *params,
5888 struct link_vars *vars)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005889{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005890 int rc;
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005891 vars->phy_flags |= PHY_XGXS_FLAG;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005892 if ((phy->req_line_speed &&
5893 ((phy->req_line_speed == SPEED_100) ||
5894 (phy->req_line_speed == SPEED_10))) ||
5895 (!phy->req_line_speed &&
5896 (phy->speed_cap_mask >=
5897 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
5898 (phy->speed_cap_mask <
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005899 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5900 (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005901 vars->phy_flags |= PHY_SGMII_FLAG;
5902 else
5903 vars->phy_flags &= ~PHY_SGMII_FLAG;
5904
5905 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005906 bnx2x_set_aer_mmd(params, phy);
5907 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
5908 bnx2x_set_master_ln(params, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005909
5910 rc = bnx2x_reset_unicore(params, phy, 0);
5911 /* reset the SerDes and wait for reset bit return low */
5912 if (rc != 0)
5913 return rc;
5914
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005915 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005916 /* setting the masterLn_def again after the reset */
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005917 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
5918 bnx2x_set_master_ln(params, phy);
5919 bnx2x_set_swap_lanes(params, phy);
5920 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005921
5922 return rc;
5923}
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005924
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005925static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
Yaniv Rosner6d870c32011-01-31 04:22:20 +00005926 struct bnx2x_phy *phy,
5927 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005928{
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005929 u16 cnt, ctrl;
Lucas De Marchi25985ed2011-03-30 22:57:33 -03005930 /* Wait for soft reset to get cleared up to 1 sec */
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005931 for (cnt = 0; cnt < 1000; cnt++) {
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +00005932 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
Yaniv Rosner6583e332011-06-14 01:34:17 +00005933 bnx2x_cl22_read(bp, phy,
5934 MDIO_PMA_REG_CTRL, &ctrl);
5935 else
5936 bnx2x_cl45_read(bp, phy,
5937 MDIO_PMA_DEVAD,
5938 MDIO_PMA_REG_CTRL, &ctrl);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005939 if (!(ctrl & (1<<15)))
5940 break;
5941 msleep(1);
5942 }
Yaniv Rosner6d870c32011-01-31 04:22:20 +00005943
5944 if (cnt == 1000)
5945 netdev_err(bp->dev, "Warning: PHY was not initialized,"
5946 " Port %d\n",
5947 params->port);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005948 DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
5949 return cnt;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005950}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005951
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005952static void bnx2x_link_int_enable(struct link_params *params)
5953{
5954 u8 port = params->port;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005955 u32 mask;
5956 struct bnx2x *bp = params->bp;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005957
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005958 /* Setting the status to report on link up for either XGXS or SerDes */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005959 if (CHIP_IS_E3(bp)) {
5960 mask = NIG_MASK_XGXS0_LINK_STATUS;
5961 if (!(SINGLE_MEDIA_DIRECT(params)))
5962 mask |= NIG_MASK_MI_INT;
5963 } else if (params->switch_cfg == SWITCH_CFG_10G) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005964 mask = (NIG_MASK_XGXS0_LINK10G |
5965 NIG_MASK_XGXS0_LINK_STATUS);
5966 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005967 if (!(SINGLE_MEDIA_DIRECT(params)) &&
5968 params->phy[INT_PHY].type !=
5969 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005970 mask |= NIG_MASK_MI_INT;
5971 DP(NETIF_MSG_LINK, "enabled external phy int\n");
5972 }
5973
5974 } else { /* SerDes */
5975 mask = NIG_MASK_SERDES0_LINK_STATUS;
5976 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005977 if (!(SINGLE_MEDIA_DIRECT(params)) &&
5978 params->phy[INT_PHY].type !=
5979 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005980 mask |= NIG_MASK_MI_INT;
5981 DP(NETIF_MSG_LINK, "enabled external phy int\n");
5982 }
5983 }
5984 bnx2x_bits_en(bp,
5985 NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
5986 mask);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005987
5988 DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005989 (params->switch_cfg == SWITCH_CFG_10G),
5990 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005991 DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
5992 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
5993 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
5994 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
5995 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
5996 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
5997 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
5998}
5999
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006000static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
6001 u8 exp_mi_int)
Eilon Greenstein2f904462009-08-12 08:22:16 +00006002{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006003 u32 latch_status = 0;
6004
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006005 /* Disable the MI INT ( external phy int ) by writing 1 to the
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006006 * status register. Link down indication is high-active-signal,
6007 * so in this case we need to write the status to clear the XOR
Eilon Greenstein2f904462009-08-12 08:22:16 +00006008 */
6009 /* Read Latched signals */
6010 latch_status = REG_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006011 NIG_REG_LATCH_STATUS_0 + port*8);
6012 DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
Eilon Greenstein2f904462009-08-12 08:22:16 +00006013 /* Handle only those with latched-signal=up.*/
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006014 if (exp_mi_int)
6015 bnx2x_bits_en(bp,
6016 NIG_REG_STATUS_INTERRUPT_PORT0
6017 + port*4,
6018 NIG_STATUS_EMAC0_MI_INT);
6019 else
6020 bnx2x_bits_dis(bp,
6021 NIG_REG_STATUS_INTERRUPT_PORT0
6022 + port*4,
6023 NIG_STATUS_EMAC0_MI_INT);
6024
Eilon Greenstein2f904462009-08-12 08:22:16 +00006025 if (latch_status & 1) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006026
Eilon Greenstein2f904462009-08-12 08:22:16 +00006027 /* For all latched-signal=up : Re-Arm Latch signals */
6028 REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006029 (latch_status & 0xfffe) | (latch_status & 1));
Eilon Greenstein2f904462009-08-12 08:22:16 +00006030 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006031 /* For all latched-signal=up,Write original_signal to status */
Eilon Greenstein2f904462009-08-12 08:22:16 +00006032}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006033
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006034static void bnx2x_link_int_ack(struct link_params *params,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006035 struct link_vars *vars, u8 is_10g_plus)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006036{
6037 struct bnx2x *bp = params->bp;
6038 u8 port = params->port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006039 u32 mask;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006040 /* First reset all status we assume only one line will be
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006041 * change at a time
6042 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006043 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006044 (NIG_STATUS_XGXS0_LINK10G |
6045 NIG_STATUS_XGXS0_LINK_STATUS |
6046 NIG_STATUS_SERDES0_LINK_STATUS));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006047 if (vars->phy_link_up) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006048 if (USES_WARPCORE(bp))
6049 mask = NIG_STATUS_XGXS0_LINK_STATUS;
6050 else {
6051 if (is_10g_plus)
6052 mask = NIG_STATUS_XGXS0_LINK10G;
6053 else if (params->switch_cfg == SWITCH_CFG_10G) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006054 /* Disable the link interrupt by writing 1 to
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006055 * the relevant lane in the status register
6056 */
6057 u32 ser_lane =
6058 ((params->lane_config &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006059 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
6060 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006061 mask = ((1 << ser_lane) <<
6062 NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
6063 } else
6064 mask = NIG_STATUS_SERDES0_LINK_STATUS;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006065 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006066 DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
6067 mask);
6068 bnx2x_bits_en(bp,
6069 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6070 mask);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006071 }
6072}
6073
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006074static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006075{
6076 u8 *str_ptr = str;
6077 u32 mask = 0xf0000000;
6078 u8 shift = 8*4;
6079 u8 digit;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006080 u8 remove_leading_zeros = 1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006081 if (*len < 10) {
Frederik Schwarzer025dfda2008-10-16 19:02:37 +02006082 /* Need more than 10chars for this format */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006083 *str_ptr = '\0';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006084 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006085 return -EINVAL;
6086 }
6087 while (shift > 0) {
6088
6089 shift -= 4;
6090 digit = ((num & mask) >> shift);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006091 if (digit == 0 && remove_leading_zeros) {
6092 mask = mask >> 4;
6093 continue;
6094 } else if (digit < 0xa)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006095 *str_ptr = digit + '0';
6096 else
6097 *str_ptr = digit - 0xa + 'a';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006098 remove_leading_zeros = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006099 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006100 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006101 mask = mask >> 4;
6102 if (shift == 4*4) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006103 *str_ptr = '.';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006104 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006105 (*len)--;
6106 remove_leading_zeros = 1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006107 }
6108 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006109 return 0;
6110}
6111
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006112
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006113static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006114{
6115 str[0] = '\0';
6116 (*len)--;
6117 return 0;
6118}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006119
Mintz Yuvala1e785e2012-02-15 02:10:32 +00006120int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
6121 u16 len)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006122{
Julia Lawall0376d5b2009-07-19 05:26:35 +00006123 struct bnx2x *bp;
Eilon Greensteina35da8d2009-02-12 08:37:02 +00006124 u32 spirom_ver = 0;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006125 int status = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006126 u8 *ver_p = version;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006127 u16 remain_len = len;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006128 if (version == NULL || params == NULL)
6129 return -EINVAL;
Julia Lawall0376d5b2009-07-19 05:26:35 +00006130 bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006131
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006132 /* Extract first external phy*/
6133 version[0] = '\0';
6134 spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
Eilon Greensteina35da8d2009-02-12 08:37:02 +00006135
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006136 if (params->phy[EXT_PHY1].format_fw_ver) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006137 status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
6138 ver_p,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006139 &remain_len);
6140 ver_p += (len - remain_len);
6141 }
6142 if ((params->num_phys == MAX_PHYS) &&
6143 (params->phy[EXT_PHY2].ver_addr != 0)) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006144 spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006145 if (params->phy[EXT_PHY2].format_fw_ver) {
6146 *ver_p = '/';
6147 ver_p++;
6148 remain_len--;
6149 status |= params->phy[EXT_PHY2].format_fw_ver(
6150 spirom_ver,
6151 ver_p,
6152 &remain_len);
6153 ver_p = version + (len - remain_len);
6154 }
6155 }
6156 *ver_p = '\0';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006157 return status;
6158}
6159
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006160static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
Yaniv Rosner62b29a52010-09-07 11:40:58 +00006161 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006162{
6163 u8 port = params->port;
6164 struct bnx2x *bp = params->bp;
6165
Yaniv Rosner62b29a52010-09-07 11:40:58 +00006166 if (phy->req_line_speed != SPEED_1000) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006167 u32 md_devad = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006168
6169 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
6170
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006171 if (!CHIP_IS_E3(bp)) {
6172 /* change the uni_phy_addr in the nig */
6173 md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
6174 port*0x18));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006175
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006176 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6177 0x5);
6178 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006179
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006180 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006181 5,
6182 (MDIO_REG_BANK_AER_BLOCK +
6183 (MDIO_AER_BLOCK_AER_REG & 0xf)),
6184 0x2800);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006185
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006186 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006187 5,
6188 (MDIO_REG_BANK_CL73_IEEEB0 +
6189 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
6190 0x6041);
Eilon Greenstein38582762009-01-14 06:44:16 +00006191 msleep(200);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006192 /* set aer mmd back */
Yaniv Rosnerec146a62011-05-31 21:29:27 +00006193 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006194
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006195 if (!CHIP_IS_E3(bp)) {
6196 /* and md_devad */
6197 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6198 md_devad);
6199 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006200 } else {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006201 u16 mii_ctrl;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006202 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006203 bnx2x_cl45_read(bp, phy, 5,
6204 (MDIO_REG_BANK_COMBO_IEEE0 +
6205 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6206 &mii_ctrl);
6207 bnx2x_cl45_write(bp, phy, 5,
6208 (MDIO_REG_BANK_COMBO_IEEE0 +
6209 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6210 mii_ctrl |
6211 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006212 }
6213}
6214
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006215int bnx2x_set_led(struct link_params *params,
6216 struct link_vars *vars, u8 mode, u32 speed)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006217{
Yaniv Rosner7846e472009-11-05 19:18:07 +02006218 u8 port = params->port;
6219 u16 hw_led_mode = params->hw_led_mode;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006220 int rc = 0;
6221 u8 phy_idx;
Eilon Greenstein345b5d52008-08-13 15:58:12 -07006222 u32 tmp;
6223 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Yaniv Rosner7846e472009-11-05 19:18:07 +02006224 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006225 DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
6226 DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
6227 speed, hw_led_mode);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006228 /* In case */
6229 for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
6230 if (params->phy[phy_idx].set_link_led) {
6231 params->phy[phy_idx].set_link_led(
6232 &params->phy[phy_idx], params, mode);
6233 }
6234 }
6235
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006236 switch (mode) {
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006237 case LED_MODE_FRONT_PANEL_OFF:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006238 case LED_MODE_OFF:
6239 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
6240 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006241 SHARED_HW_CFG_LED_MAC1);
Eilon Greenstein345b5d52008-08-13 15:58:12 -07006242
6243 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Yaniv Rosner001cea72011-10-27 05:09:48 +00006244 if (params->phy[EXT_PHY1].type ==
Yaniv Rosner9379c9b2012-04-04 01:28:58 +00006245 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6246 tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
6247 EMAC_LED_100MB_OVERRIDE |
6248 EMAC_LED_10MB_OVERRIDE);
6249 else
6250 tmp |= EMAC_LED_OVERRIDE;
6251
6252 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006253 break;
6254
6255 case LED_MODE_OPER:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006256 /* For all other phys, OPER mode is same as ON, so in case
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006257 * link is down, do nothing
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006258 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006259 if (!vars->link_up)
6260 break;
6261 case LED_MODE_ON:
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00006262 if (((params->phy[EXT_PHY1].type ==
6263 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
6264 (params->phy[EXT_PHY1].type ==
6265 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
Yaniv Rosner1f483532011-01-18 04:33:31 +00006266 CHIP_IS_E2(bp) && params->num_phys == 2) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006267 /* This is a work-around for E2+8727 Configurations */
Yaniv Rosner1f483532011-01-18 04:33:31 +00006268 if (mode == LED_MODE_ON ||
6269 speed == SPEED_10000){
6270 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6271 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6272
6273 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6274 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6275 (tmp | EMAC_LED_OVERRIDE));
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006276 /* Return here without enabling traffic
David S. Miller8decf862011-09-22 03:23:13 -04006277 * LED blink and setting rate in ON mode.
Yaniv Rosner793bd452011-08-02 22:59:40 +00006278 * In oper mode, enabling LED blink
6279 * and setting rate is needed.
6280 */
6281 if (mode == LED_MODE_ON)
6282 return rc;
Yaniv Rosner1f483532011-01-18 04:33:31 +00006283 }
Yaniv Rosner793bd452011-08-02 22:59:40 +00006284 } else if (SINGLE_MEDIA_DIRECT(params)) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006285 /* This is a work-around for HW issue found when link
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006286 * is up in CL73
6287 */
David S. Miller8decf862011-09-22 03:23:13 -04006288 if ((!CHIP_IS_E3(bp)) ||
6289 (CHIP_IS_E3(bp) &&
6290 mode == LED_MODE_ON))
6291 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6292
Yaniv Rosner793bd452011-08-02 22:59:40 +00006293 if (CHIP_IS_E1x(bp) ||
6294 CHIP_IS_E2(bp) ||
6295 (mode == LED_MODE_ON))
6296 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6297 else
6298 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6299 hw_led_mode);
Yaniv Rosner001cea72011-10-27 05:09:48 +00006300 } else if ((params->phy[EXT_PHY1].type ==
6301 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
Yaniv Rosner9379c9b2012-04-04 01:28:58 +00006302 (mode == LED_MODE_ON)) {
Yaniv Rosner001cea72011-10-27 05:09:48 +00006303 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6304 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Yaniv Rosner9379c9b2012-04-04 01:28:58 +00006305 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
6306 EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
6307 /* Break here; otherwise, it'll disable the
6308 * intended override.
6309 */
6310 break;
Yaniv Rosner793bd452011-08-02 22:59:40 +00006311 } else
Yaniv Rosner001cea72011-10-27 05:09:48 +00006312 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6313 hw_led_mode);
Yaniv Rosner7846e472009-11-05 19:18:07 +02006314
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006315 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006316 /* Set blinking rate to ~15.9Hz */
Yaniv Rosner26ffaf32011-10-27 05:09:45 +00006317 if (CHIP_IS_E3(bp))
6318 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6319 LED_BLINK_RATE_VAL_E3);
6320 else
6321 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6322 LED_BLINK_RATE_VAL_E1X_E2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006323 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006324 port*4, 1);
Yaniv Rosner9379c9b2012-04-04 01:28:58 +00006325 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6326 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6327 (tmp & (~EMAC_LED_OVERRIDE)));
Eilon Greenstein345b5d52008-08-13 15:58:12 -07006328
Yaniv Rosner7846e472009-11-05 19:18:07 +02006329 if (CHIP_IS_E1(bp) &&
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006330 ((speed == SPEED_2500) ||
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006331 (speed == SPEED_1000) ||
6332 (speed == SPEED_100) ||
6333 (speed == SPEED_10))) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006334 /* For speeds less than 10G LED scheme is different */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006335 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006336 + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006337 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006338 port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006339 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006340 port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006341 }
6342 break;
6343
6344 default:
6345 rc = -EINVAL;
6346 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
6347 mode);
6348 break;
6349 }
6350 return rc;
6351
6352}
6353
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006354/* This function comes to reflect the actual link state read DIRECTLY from the
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006355 * HW
6356 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006357int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
6358 u8 is_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006359{
6360 struct bnx2x *bp = params->bp;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006361 u16 gp_status = 0, phy_index = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006362 u8 ext_phy_link_up = 0, serdes_phy_type;
6363 struct link_vars temp_vars;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006364 struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006365
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006366 if (CHIP_IS_E3(bp)) {
6367 u16 link_up;
6368 if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
6369 > SPEED_10000) {
6370 /* Check 20G link */
6371 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6372 1, &link_up);
6373 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6374 1, &link_up);
6375 link_up &= (1<<2);
6376 } else {
6377 /* Check 10G link and below*/
6378 u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
6379 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6380 MDIO_WC_REG_GP2_STATUS_GP_2_1,
6381 &gp_status);
6382 gp_status = ((gp_status >> 8) & 0xf) |
6383 ((gp_status >> 12) & 0xf);
6384 link_up = gp_status & (1 << lane);
6385 }
6386 if (!link_up)
6387 return -ESRCH;
6388 } else {
6389 CL22_RD_OVER_CL45(bp, int_phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006390 MDIO_REG_BANK_GP_STATUS,
6391 MDIO_GP_STATUS_TOP_AN_STATUS1,
6392 &gp_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006393 /* link is up only if both local phy and external phy are up */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006394 if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
6395 return -ESRCH;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006396 }
6397 /* In XGXS loopback mode, do not check external PHY */
6398 if (params->loopback_mode == LOOPBACK_XGXS)
6399 return 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006400
6401 switch (params->num_phys) {
6402 case 1:
6403 /* No external PHY */
6404 return 0;
6405 case 2:
6406 ext_phy_link_up = params->phy[EXT_PHY1].read_status(
6407 &params->phy[EXT_PHY1],
6408 params, &temp_vars);
6409 break;
6410 case 3: /* Dual Media */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006411 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6412 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006413 serdes_phy_type = ((params->phy[phy_index].media_type ==
6414 ETH_PHY_SFP_FIBER) ||
6415 (params->phy[phy_index].media_type ==
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00006416 ETH_PHY_XFP_FIBER) ||
6417 (params->phy[phy_index].media_type ==
6418 ETH_PHY_DA_TWINAX));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006419
6420 if (is_serdes != serdes_phy_type)
6421 continue;
6422 if (params->phy[phy_index].read_status) {
6423 ext_phy_link_up |=
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006424 params->phy[phy_index].read_status(
6425 &params->phy[phy_index],
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006426 params, &temp_vars);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006427 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006428 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006429 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006430 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006431 if (ext_phy_link_up)
6432 return 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006433 return -ESRCH;
6434}
6435
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006436static int bnx2x_link_initialize(struct link_params *params,
6437 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006438{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006439 int rc = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006440 u8 phy_index, non_ext_phy;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006441 struct bnx2x *bp = params->bp;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006442 /* In case of external phy existence, the line speed would be the
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006443 * line speed linked up by the external phy. In case it is direct
6444 * only, then the line_speed during initialization will be
6445 * equal to the req_line_speed
6446 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006447 vars->line_speed = params->phy[INT_PHY].req_line_speed;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006448
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006449 /* Initialize the internal phy in case this is a direct board
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006450 * (no external phys), or this board has external phy which requires
6451 * to first.
6452 */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006453 if (!USES_WARPCORE(bp))
6454 bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006455 /* init ext phy and enable link state int */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006456 non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006457 (params->loopback_mode == LOOPBACK_XGXS));
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006458
6459 if (non_ext_phy ||
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006460 (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
Eilon Greenstein8660d8c2009-03-02 08:01:02 +00006461 (params->loopback_mode == LOOPBACK_EXT_PHY)) {
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006462 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006463 if (vars->line_speed == SPEED_AUTO_NEG &&
6464 (CHIP_IS_E1x(bp) ||
6465 CHIP_IS_E2(bp)))
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006466 bnx2x_set_parallel_detection(phy, params);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00006467 if (params->phy[INT_PHY].config_init)
6468 params->phy[INT_PHY].config_init(phy,
6469 params,
6470 vars);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006471 }
6472
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006473 /* Init external phy*/
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006474 if (non_ext_phy) {
6475 if (params->phy[INT_PHY].supported &
6476 SUPPORTED_FIBRE)
6477 vars->link_status |= LINK_STATUS_SERDES_LINK;
6478 } else {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006479 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6480 phy_index++) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006481 /* No need to initialize second phy in case of first
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006482 * phy only selection. In case of second phy, we do
6483 * need to initialize the first phy, since they are
6484 * connected.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006485 */
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006486 if (params->phy[phy_index].supported &
6487 SUPPORTED_FIBRE)
6488 vars->link_status |= LINK_STATUS_SERDES_LINK;
6489
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006490 if (phy_index == EXT_PHY2 &&
6491 (bnx2x_phy_selection(params) ==
6492 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
Joe Perches94f05b02011-08-14 12:16:20 +00006493 DP(NETIF_MSG_LINK,
6494 "Not initializing second phy\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006495 continue;
6496 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006497 params->phy[phy_index].config_init(
6498 &params->phy[phy_index],
6499 params, vars);
6500 }
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006501 }
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006502 /* Reset the interrupt indication after phy was initialized */
6503 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
6504 params->port*4,
6505 (NIG_STATUS_XGXS0_LINK10G |
6506 NIG_STATUS_XGXS0_LINK_STATUS |
6507 NIG_STATUS_SERDES0_LINK_STATUS |
6508 NIG_MASK_MI_INT));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006509 return rc;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006510}
6511
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006512static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
6513 struct link_params *params)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006514{
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006515 /* reset the SerDes/XGXS */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006516 REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6517 (0x1ff << (params->port*16)));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006518}
6519
6520static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
6521 struct link_params *params)
6522{
6523 struct bnx2x *bp = params->bp;
6524 u8 gpio_port;
6525 /* HW reset */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006526 if (CHIP_IS_E2(bp))
6527 gpio_port = BP_PATH(bp);
6528 else
6529 gpio_port = params->port;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006530 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006531 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6532 gpio_port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006533 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006534 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6535 gpio_port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006536 DP(NETIF_MSG_LINK, "reset external PHY\n");
6537}
6538
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006539static int bnx2x_update_link_down(struct link_params *params,
6540 struct link_vars *vars)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006541{
6542 struct bnx2x *bp = params->bp;
6543 u8 port = params->port;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00006544
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006545 DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006546 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006547 vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006548 /* indicate no mac active */
6549 vars->mac_type = MAC_TYPE_NONE;
6550
6551 /* update shared memory */
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006552 vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
6553 LINK_STATUS_LINK_UP |
Yaniv Rosnerde6f3372011-08-02 22:59:25 +00006554 LINK_STATUS_PHYSICAL_LINK_FLAG |
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006555 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
6556 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
6557 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
Mintz Yuval9e7e8392012-02-15 02:10:24 +00006558 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
6559 LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
6560 LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006561 vars->line_speed = 0;
6562 bnx2x_update_mng(params, vars->link_status);
6563
6564 /* activate nig drain */
6565 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6566
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006567 /* disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006568 if (!CHIP_IS_E3(bp))
6569 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006570
6571 msleep(10);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006572 /* reset BigMac/Xmac */
6573 if (CHIP_IS_E1x(bp) ||
6574 CHIP_IS_E2(bp)) {
6575 bnx2x_bmac_rx_disable(bp, params->port);
6576 REG_WR(bp, GRCBASE_MISC +
6577 MISC_REGISTERS_RESET_REG_2_CLEAR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006578 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006579 }
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00006580 if (CHIP_IS_E3(bp)) {
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006581 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
6582 0);
6583 REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 0);
6584 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
6585 0);
6586 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
6587 SHMEM_EEE_ACTIVE_BIT);
6588
6589 bnx2x_update_mng_eee(params, vars->eee_status);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006590 bnx2x_xmac_disable(params);
Yaniv Rosnerce7c0482011-10-27 05:09:47 +00006591 bnx2x_umac_disable(params);
6592 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006593
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006594 return 0;
6595}
6596
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006597static int bnx2x_update_link_up(struct link_params *params,
6598 struct link_vars *vars,
6599 u8 link_10g)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006600{
6601 struct bnx2x *bp = params->bp;
Yaniv Rosner55098c52012-04-03 18:41:27 +00006602 u8 phy_idx, port = params->port;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006603 int rc = 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00006604
Yaniv Rosnerde6f3372011-08-02 22:59:25 +00006605 vars->link_status |= (LINK_STATUS_LINK_UP |
6606 LINK_STATUS_PHYSICAL_LINK_FLAG);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006607 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006608
Yaniv Rosner7aa07112010-09-07 11:41:01 +00006609 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
6610 vars->link_status |=
6611 LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
6612
6613 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
6614 vars->link_status |=
6615 LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006616 if (USES_WARPCORE(bp)) {
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006617 if (link_10g) {
6618 if (bnx2x_xmac_enable(params, vars, 0) ==
6619 -ESRCH) {
6620 DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
6621 vars->link_up = 0;
6622 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6623 vars->link_status &= ~LINK_STATUS_LINK_UP;
6624 }
6625 } else
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006626 bnx2x_umac_enable(params, vars, 0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006627 bnx2x_set_led(params, vars,
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006628 LED_MODE_OPER, vars->line_speed);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006629
6630 if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
6631 (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
6632 DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
6633 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
6634 (params->port << 2), 1);
6635 REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
6636 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
6637 (params->port << 2), 0xfc20);
6638 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006639 }
6640 if ((CHIP_IS_E1x(bp) ||
6641 CHIP_IS_E2(bp))) {
6642 if (link_10g) {
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006643 if (bnx2x_bmac_enable(params, vars, 0) ==
6644 -ESRCH) {
6645 DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
6646 vars->link_up = 0;
6647 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6648 vars->link_status &= ~LINK_STATUS_LINK_UP;
6649 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006650
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006651 bnx2x_set_led(params, vars,
6652 LED_MODE_OPER, SPEED_10000);
6653 } else {
6654 rc = bnx2x_emac_program(params, vars);
6655 bnx2x_emac_enable(params, vars, 0);
Yaniv Rosner0c786f02009-11-05 19:18:32 +02006656
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006657 /* AN complete? */
6658 if ((vars->link_status &
6659 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
6660 && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
6661 SINGLE_MEDIA_DIRECT(params))
6662 bnx2x_set_gmii_tx_driver(params);
6663 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006664 }
6665
6666 /* PBF - link up */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006667 if (CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006668 rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6669 vars->line_speed);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006670
6671 /* disable drain */
6672 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
6673
6674 /* update shared memory */
6675 bnx2x_update_mng(params, vars->link_status);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006676 bnx2x_update_mng_eee(params, vars->eee_status);
Yaniv Rosner55098c52012-04-03 18:41:27 +00006677 /* Check remote fault */
6678 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
6679 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
6680 bnx2x_check_half_open_conn(params, vars, 0);
6681 break;
6682 }
6683 }
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006684 msleep(20);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006685 return rc;
6686}
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006687/* The bnx2x_link_update function should be called upon link
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006688 * interrupt.
6689 * Link is considered up as follows:
6690 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
6691 * to be up
6692 * - SINGLE_MEDIA - The link between the 577xx and the external
6693 * phy (XGXS) need to up as well as the external link of the
6694 * phy (PHY_EXT1)
6695 * - DUAL_MEDIA - The link between the 577xx and the first
6696 * external phy needs to be up, and at least one of the 2
6697 * external phy link must be up.
Yaniv Rosner62b29a52010-09-07 11:40:58 +00006698 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006699int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006700{
6701 struct bnx2x *bp = params->bp;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006702 struct link_vars phy_vars[MAX_PHYS];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006703 u8 port = params->port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006704 u8 link_10g_plus, phy_index;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006705 u8 ext_phy_link_up = 0, cur_link_up;
6706 int rc = 0;
Eilon Greenstein2f904462009-08-12 08:22:16 +00006707 u8 is_mi_int = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006708 u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
6709 u8 active_external_phy = INT_PHY;
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006710 vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006711 for (phy_index = INT_PHY; phy_index < params->num_phys;
6712 phy_index++) {
6713 phy_vars[phy_index].flow_ctrl = 0;
6714 phy_vars[phy_index].link_status = 0;
6715 phy_vars[phy_index].line_speed = 0;
6716 phy_vars[phy_index].duplex = DUPLEX_FULL;
6717 phy_vars[phy_index].phy_link_up = 0;
6718 phy_vars[phy_index].link_up = 0;
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00006719 phy_vars[phy_index].fault_detected = 0;
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006720 /* different consideration, since vars holds inner state */
6721 phy_vars[phy_index].eee_status = vars->eee_status;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006722 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006723
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006724 if (USES_WARPCORE(bp))
6725 bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
6726
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006727 DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00006728 port, (vars->phy_flags & PHY_XGXS_FLAG),
6729 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006730
Eilon Greenstein2f904462009-08-12 08:22:16 +00006731 is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006732 port*0x18) > 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006733 DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00006734 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6735 is_mi_int,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006736 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006737
6738 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6739 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6740 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6741
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006742 /* disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006743 if (!CHIP_IS_E3(bp))
6744 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006745
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006746 /* Step 1:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006747 * Check external link change only for external phys, and apply
6748 * priority selection between them in case the link on both phys
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006749 * is up. Note that instead of the common vars, a temporary
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006750 * vars argument is used since each phy may have different link/
6751 * speed/duplex result
6752 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006753 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6754 phy_index++) {
6755 struct bnx2x_phy *phy = &params->phy[phy_index];
6756 if (!phy->read_status)
6757 continue;
6758 /* Read link status and params of this ext phy */
6759 cur_link_up = phy->read_status(phy, params,
6760 &phy_vars[phy_index]);
6761 if (cur_link_up) {
6762 DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
6763 phy_index);
6764 } else {
6765 DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
6766 phy_index);
6767 continue;
6768 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006769
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006770 if (!ext_phy_link_up) {
6771 ext_phy_link_up = 1;
6772 active_external_phy = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006773 } else {
6774 switch (bnx2x_phy_selection(params)) {
6775 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6776 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006777 /* In this option, the first PHY makes sure to pass the
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006778 * traffic through itself only.
6779 * Its not clear how to reset the link on the second phy
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006780 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006781 active_external_phy = EXT_PHY1;
6782 break;
6783 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006784 /* In this option, the first PHY makes sure to pass the
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006785 * traffic through the second PHY.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006786 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006787 active_external_phy = EXT_PHY2;
6788 break;
6789 default:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006790 /* Link indication on both PHYs with the following cases
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006791 * is invalid:
6792 * - FIRST_PHY means that second phy wasn't initialized,
6793 * hence its link is expected to be down
6794 * - SECOND_PHY means that first phy should not be able
6795 * to link up by itself (using configuration)
6796 * - DEFAULT should be overriden during initialiazation
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006797 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006798 DP(NETIF_MSG_LINK, "Invalid link indication"
6799 "mpc=0x%x. DISABLING LINK !!!\n",
6800 params->multi_phy_config);
6801 ext_phy_link_up = 0;
6802 break;
6803 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006804 }
6805 }
6806 prev_line_speed = vars->line_speed;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006807 /* Step 2:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006808 * Read the status of the internal phy. In case of
6809 * DIRECT_SINGLE_MEDIA board, this link is the external link,
6810 * otherwise this is the link between the 577xx and the first
6811 * external phy
6812 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006813 if (params->phy[INT_PHY].read_status)
6814 params->phy[INT_PHY].read_status(
6815 &params->phy[INT_PHY],
6816 params, vars);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006817 /* The INT_PHY flow control reside in the vars. This include the
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006818 * case where the speed or flow control are not set to AUTO.
6819 * Otherwise, the active external phy flow control result is set
6820 * to the vars. The ext_phy_line_speed is needed to check if the
6821 * speed is different between the internal phy and external phy.
6822 * This case may be result of intermediate link speed change.
6823 */
6824 if (active_external_phy > INT_PHY) {
6825 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006826 /* Link speed is taken from the XGXS. AN and FC result from
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006827 * the external phy.
6828 */
6829 vars->link_status |= phy_vars[active_external_phy].link_status;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006830
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006831 /* if active_external_phy is first PHY and link is up - disable
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006832 * disable TX on second external PHY
6833 */
6834 if (active_external_phy == EXT_PHY1) {
6835 if (params->phy[EXT_PHY2].phy_specific_func) {
Joe Perches94f05b02011-08-14 12:16:20 +00006836 DP(NETIF_MSG_LINK,
6837 "Disabling TX on EXT_PHY2\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006838 params->phy[EXT_PHY2].phy_specific_func(
6839 &params->phy[EXT_PHY2],
6840 params, DISABLE_TX);
6841 }
6842 }
6843
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006844 ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
6845 vars->duplex = phy_vars[active_external_phy].duplex;
6846 if (params->phy[active_external_phy].supported &
6847 SUPPORTED_FIBRE)
6848 vars->link_status |= LINK_STATUS_SERDES_LINK;
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006849 else
6850 vars->link_status &= ~LINK_STATUS_SERDES_LINK;
Yuval Mintzc8c60d82012-06-06 17:13:07 +00006851
6852 vars->eee_status = phy_vars[active_external_phy].eee_status;
6853
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006854 DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
6855 active_external_phy);
6856 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006857
6858 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6859 phy_index++) {
6860 if (params->phy[phy_index].flags &
6861 FLAGS_REARM_LATCH_SIGNAL) {
6862 bnx2x_rearm_latch_signal(bp, port,
6863 phy_index ==
6864 active_external_phy);
6865 break;
6866 }
6867 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006868 DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
6869 " ext_phy_line_speed = %d\n", vars->flow_ctrl,
6870 vars->link_status, ext_phy_line_speed);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006871 /* Upon link speed change set the NIG into drain mode. Comes to
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006872 * deals with possible FIFO glitch due to clk change when speed
6873 * is decreased without link down indicator
6874 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006875
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006876 if (vars->phy_link_up) {
6877 if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
6878 (ext_phy_line_speed != vars->line_speed)) {
6879 DP(NETIF_MSG_LINK, "Internal link speed %d is"
6880 " different than the external"
6881 " link speed %d\n", vars->line_speed,
6882 ext_phy_line_speed);
6883 vars->phy_link_up = 0;
6884 } else if (prev_line_speed != vars->line_speed) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006885 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
6886 0);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006887 msleep(1);
6888 }
6889 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006890
6891 /* anything 10 and over uses the bmac */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006892 link_10g_plus = (vars->line_speed >= SPEED_10000);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006893
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006894 bnx2x_link_int_ack(params, vars, link_10g_plus);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006895
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006896 /* In case external phy link is up, and internal link is down
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006897 * (not initialized yet probably after link initialization, it
6898 * needs to be initialized.
6899 * Note that after link down-up as result of cable plug, the xgxs
6900 * link would probably become up again without the need
6901 * initialize it
6902 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006903 if (!(SINGLE_MEDIA_DIRECT(params))) {
6904 DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
6905 " init_preceding = %d\n", ext_phy_link_up,
6906 vars->phy_link_up,
6907 params->phy[EXT_PHY1].flags &
6908 FLAGS_INIT_XGXS_FIRST);
6909 if (!(params->phy[EXT_PHY1].flags &
6910 FLAGS_INIT_XGXS_FIRST)
6911 && ext_phy_link_up && !vars->phy_link_up) {
6912 vars->line_speed = ext_phy_line_speed;
6913 if (vars->line_speed < SPEED_1000)
6914 vars->phy_flags |= PHY_SGMII_FLAG;
6915 else
6916 vars->phy_flags &= ~PHY_SGMII_FLAG;
Yaniv Rosnerec146a62011-05-31 21:29:27 +00006917
6918 if (params->phy[INT_PHY].config_init)
6919 params->phy[INT_PHY].config_init(
6920 &params->phy[INT_PHY], params,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006921 vars);
6922 }
6923 }
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00006924 /* Link is up only if both local phy and external phy (in case of
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006925 * non-direct board) are up and no fault detected on active PHY.
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006926 */
6927 vars->link_up = (vars->phy_link_up &&
6928 (ext_phy_link_up ||
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00006929 SINGLE_MEDIA_DIRECT(params)) &&
6930 (phy_vars[active_external_phy].fault_detected == 0));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006931
Yaniv Rosner27d91292012-04-04 01:28:54 +00006932 /* Update the PFC configuration in case it was changed */
6933 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
6934 vars->link_status |= LINK_STATUS_PFC_ENABLED;
6935 else
6936 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
6937
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006938 if (vars->link_up)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006939 rc = bnx2x_update_link_up(params, vars, link_10g_plus);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006940 else
6941 rc = bnx2x_update_link_down(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006942
Barak Witkowskia3348722012-04-23 03:04:46 +00006943 /* Update MCP link status was changed */
6944 if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
6945 bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
6946
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006947 return rc;
6948}
6949
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006950/*****************************************************************************/
6951/* External Phy section */
6952/*****************************************************************************/
6953void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006954{
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006955 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006956 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006957 msleep(1);
6958 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006959 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006960}
6961
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006962static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
6963 u32 spirom_ver, u32 ver_addr)
6964{
6965 DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
6966 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
6967
6968 if (ver_addr)
6969 REG_WR(bp, ver_addr, spirom_ver);
6970}
6971
6972static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
6973 struct bnx2x_phy *phy,
6974 u8 port)
6975{
6976 u16 fw_ver1, fw_ver2;
6977
6978 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006979 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006980 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006981 MDIO_PMA_REG_ROM_VER2, &fw_ver2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006982 bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
6983 phy->ver_addr);
6984}
6985
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006986static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
6987 struct bnx2x_phy *phy,
6988 struct link_vars *vars)
6989{
6990 u16 val;
6991 bnx2x_cl45_read(bp, phy,
6992 MDIO_AN_DEVAD,
6993 MDIO_AN_REG_STATUS, &val);
6994 bnx2x_cl45_read(bp, phy,
6995 MDIO_AN_DEVAD,
6996 MDIO_AN_REG_STATUS, &val);
6997 if (val & (1<<5))
6998 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
6999 if ((val & (1<<0)) == 0)
7000 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
7001}
7002
7003/******************************************************************/
7004/* common BCM8073/BCM8727 PHY SECTION */
7005/******************************************************************/
7006static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
7007 struct link_params *params,
7008 struct link_vars *vars)
7009{
7010 struct bnx2x *bp = params->bp;
7011 if (phy->req_line_speed == SPEED_10 ||
7012 phy->req_line_speed == SPEED_100) {
7013 vars->flow_ctrl = phy->req_flow_ctrl;
7014 return;
7015 }
7016
7017 if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
7018 (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
7019 u16 pause_result;
7020 u16 ld_pause; /* local */
7021 u16 lp_pause; /* link partner */
7022 bnx2x_cl45_read(bp, phy,
7023 MDIO_AN_DEVAD,
7024 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
7025
7026 bnx2x_cl45_read(bp, phy,
7027 MDIO_AN_DEVAD,
7028 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
7029 pause_result = (ld_pause &
7030 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
7031 pause_result |= (lp_pause &
7032 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
7033
7034 bnx2x_pause_resolve(vars, pause_result);
7035 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
7036 pause_result);
7037 }
7038}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007039static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
7040 struct bnx2x_phy *phy,
7041 u8 port)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007042{
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00007043 u32 count = 0;
7044 u16 fw_ver1, fw_msgout;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007045 int rc = 0;
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00007046
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007047 /* Boot port from external ROM */
7048 /* EDC grst */
7049 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007050 MDIO_PMA_DEVAD,
7051 MDIO_PMA_REG_GEN_CTRL,
7052 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007053
7054 /* ucode reboot and rst */
7055 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007056 MDIO_PMA_DEVAD,
7057 MDIO_PMA_REG_GEN_CTRL,
7058 0x008c);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007059
7060 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007061 MDIO_PMA_DEVAD,
7062 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007063
7064 /* Reset internal microprocessor */
7065 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007066 MDIO_PMA_DEVAD,
7067 MDIO_PMA_REG_GEN_CTRL,
7068 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007069
7070 /* Release srst bit */
7071 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007072 MDIO_PMA_DEVAD,
7073 MDIO_PMA_REG_GEN_CTRL,
7074 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007075
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00007076 /* Delay 100ms per the PHY specifications */
7077 msleep(100);
7078
7079 /* 8073 sometimes taking longer to download */
7080 do {
7081 count++;
7082 if (count > 300) {
7083 DP(NETIF_MSG_LINK,
7084 "bnx2x_8073_8727_external_rom_boot port %x:"
7085 "Download failed. fw version = 0x%x\n",
7086 port, fw_ver1);
7087 rc = -EINVAL;
7088 break;
7089 }
7090
7091 bnx2x_cl45_read(bp, phy,
7092 MDIO_PMA_DEVAD,
7093 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7094 bnx2x_cl45_read(bp, phy,
7095 MDIO_PMA_DEVAD,
7096 MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
7097
7098 msleep(1);
7099 } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
7100 ((fw_msgout & 0xff) != 0x03 && (phy->type ==
7101 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007102
7103 /* Clear ser_boot_ctl bit */
7104 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007105 MDIO_PMA_DEVAD,
7106 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007107 bnx2x_save_bcm_spirom_ver(bp, phy, port);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00007108
7109 DP(NETIF_MSG_LINK,
7110 "bnx2x_8073_8727_external_rom_boot port %x:"
7111 "Download complete. fw version = 0x%x\n",
7112 port, fw_ver1);
7113
7114 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007115}
7116
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007117/******************************************************************/
7118/* BCM8073 PHY SECTION */
7119/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007120static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007121{
7122 /* This is only required for 8073A1, version 102 only */
7123 u16 val;
7124
7125 /* Read 8073 HW revision*/
7126 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007127 MDIO_PMA_DEVAD,
7128 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007129
7130 if (val != 1) {
7131 /* No need to workaround in 8073 A1 */
7132 return 0;
7133 }
7134
7135 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007136 MDIO_PMA_DEVAD,
7137 MDIO_PMA_REG_ROM_VER2, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007138
7139 /* SNR should be applied only for version 0x102 */
7140 if (val != 0x102)
7141 return 0;
7142
7143 return 1;
7144}
7145
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007146static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007147{
7148 u16 val, cnt, cnt1 ;
7149
7150 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007151 MDIO_PMA_DEVAD,
7152 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007153
7154 if (val > 0) {
7155 /* No need to workaround in 8073 A1 */
7156 return 0;
7157 }
7158 /* XAUI workaround in 8073 A0: */
7159
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007160 /* After loading the boot ROM and restarting Autoneg, poll
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007161 * Dev1, Reg $C820:
7162 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007163
7164 for (cnt = 0; cnt < 1000; cnt++) {
7165 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007166 MDIO_PMA_DEVAD,
7167 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7168 &val);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007169 /* If bit [14] = 0 or bit [13] = 0, continue on with
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007170 * system initialization (XAUI work-around not required, as
7171 * these bits indicate 2.5G or 1G link up).
7172 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007173 if (!(val & (1<<14)) || !(val & (1<<13))) {
7174 DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
7175 return 0;
7176 } else if (!(val & (1<<15))) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007177 DP(NETIF_MSG_LINK, "bit 15 went off\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007178 /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007179 * MSB (bit15) goes to 1 (indicating that the XAUI
7180 * workaround has completed), then continue on with
7181 * system initialization.
7182 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007183 for (cnt1 = 0; cnt1 < 1000; cnt1++) {
7184 bnx2x_cl45_read(bp, phy,
7185 MDIO_PMA_DEVAD,
7186 MDIO_PMA_REG_8073_XAUI_WA, &val);
7187 if (val & (1<<15)) {
7188 DP(NETIF_MSG_LINK,
7189 "XAUI workaround has completed\n");
7190 return 0;
7191 }
7192 msleep(3);
7193 }
7194 break;
7195 }
7196 msleep(3);
7197 }
7198 DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
7199 return -EINVAL;
7200}
7201
7202static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
7203{
7204 /* Force KR or KX */
7205 bnx2x_cl45_write(bp, phy,
7206 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
7207 bnx2x_cl45_write(bp, phy,
7208 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
7209 bnx2x_cl45_write(bp, phy,
7210 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
7211 bnx2x_cl45_write(bp, phy,
7212 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
7213}
7214
7215static void bnx2x_8073_set_pause_cl37(struct link_params *params,
7216 struct bnx2x_phy *phy,
7217 struct link_vars *vars)
7218{
7219 u16 cl37_val;
7220 struct bnx2x *bp = params->bp;
7221 bnx2x_cl45_read(bp, phy,
7222 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
7223
7224 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7225 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
7226 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
7227 if ((vars->ieee_fc &
7228 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
7229 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
7230 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
7231 }
7232 if ((vars->ieee_fc &
7233 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
7234 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
7235 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
7236 }
7237 if ((vars->ieee_fc &
7238 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
7239 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
7240 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7241 }
7242 DP(NETIF_MSG_LINK,
7243 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
7244
7245 bnx2x_cl45_write(bp, phy,
7246 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
7247 msleep(500);
7248}
7249
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007250static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
7251 struct link_params *params,
7252 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007253{
7254 struct bnx2x *bp = params->bp;
7255 u16 val = 0, tmp1;
7256 u8 gpio_port;
7257 DP(NETIF_MSG_LINK, "Init 8073\n");
7258
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007259 if (CHIP_IS_E2(bp))
7260 gpio_port = BP_PATH(bp);
7261 else
7262 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007263 /* Restore normal power mode*/
7264 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007265 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007266
7267 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007268 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007269
7270 /* enable LASI */
7271 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00007272 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007273 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00007274 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007275
7276 bnx2x_8073_set_pause_cl37(params, phy, vars);
7277
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007278 bnx2x_cl45_read(bp, phy,
7279 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
7280
7281 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00007282 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007283
7284 DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
7285
Yaniv Rosner74d7a112011-01-18 04:33:18 +00007286 /* Swap polarity if required - Must be done only in non-1G mode */
7287 if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7288 /* Configure the 8073 to swap _P and _N of the KR lines */
7289 DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
7290 /* 10G Rx/Tx and 1G Tx signal polarity swap */
7291 bnx2x_cl45_read(bp, phy,
7292 MDIO_PMA_DEVAD,
7293 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
7294 bnx2x_cl45_write(bp, phy,
7295 MDIO_PMA_DEVAD,
7296 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
7297 (val | (3<<9)));
7298 }
7299
7300
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007301 /* Enable CL37 BAM */
Yaniv Rosner121839b2010-11-01 05:32:38 +00007302 if (REG_RD(bp, params->shmem_base +
7303 offsetof(struct shmem_region, dev_info.
7304 port_hw_config[params->port].default_cfg)) &
7305 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007306
Yaniv Rosner121839b2010-11-01 05:32:38 +00007307 bnx2x_cl45_read(bp, phy,
7308 MDIO_AN_DEVAD,
7309 MDIO_AN_REG_8073_BAM, &val);
7310 bnx2x_cl45_write(bp, phy,
7311 MDIO_AN_DEVAD,
7312 MDIO_AN_REG_8073_BAM, val | 1);
7313 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
7314 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007315 if (params->loopback_mode == LOOPBACK_EXT) {
7316 bnx2x_807x_force_10G(bp, phy);
7317 DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
7318 return 0;
7319 } else {
7320 bnx2x_cl45_write(bp, phy,
7321 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
7322 }
7323 if (phy->req_line_speed != SPEED_AUTO_NEG) {
7324 if (phy->req_line_speed == SPEED_10000) {
7325 val = (1<<7);
7326 } else if (phy->req_line_speed == SPEED_2500) {
7327 val = (1<<5);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007328 /* Note that 2.5G works only when used with 1G
Lucas De Marchi25985ed2011-03-30 22:57:33 -03007329 * advertisement
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007330 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007331 } else
7332 val = (1<<5);
7333 } else {
7334 val = 0;
7335 if (phy->speed_cap_mask &
7336 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
7337 val |= (1<<7);
7338
Lucas De Marchi25985ed2011-03-30 22:57:33 -03007339 /* Note that 2.5G works only when used with 1G advertisement */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007340 if (phy->speed_cap_mask &
7341 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
7342 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7343 val |= (1<<5);
7344 DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
7345 }
7346
7347 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
7348 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
7349
7350 if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
7351 (phy->req_line_speed == SPEED_AUTO_NEG)) ||
7352 (phy->req_line_speed == SPEED_2500)) {
7353 u16 phy_ver;
7354 /* Allow 2.5G for A1 and above */
7355 bnx2x_cl45_read(bp, phy,
7356 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
7357 &phy_ver);
7358 DP(NETIF_MSG_LINK, "Add 2.5G\n");
7359 if (phy_ver > 0)
7360 tmp1 |= 1;
7361 else
7362 tmp1 &= 0xfffe;
7363 } else {
7364 DP(NETIF_MSG_LINK, "Disable 2.5G\n");
7365 tmp1 &= 0xfffe;
7366 }
7367
7368 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
7369 /* Add support for CL37 (passive mode) II */
7370
7371 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
7372 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
7373 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
7374 0x20 : 0x40)));
7375
7376 /* Add support for CL37 (passive mode) III */
7377 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
7378
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007379 /* The SNR will improve about 2db by changing BW and FEE main
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007380 * tap. Rest commands are executed after link is up
7381 * Change FFE main cursor to 5 in EDC register
7382 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007383 if (bnx2x_8073_is_snr_needed(bp, phy))
7384 bnx2x_cl45_write(bp, phy,
7385 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
7386 0xFB0C);
7387
7388 /* Enable FEC (Forware Error Correction) Request in the AN */
7389 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
7390 tmp1 |= (1<<15);
7391 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
7392
7393 bnx2x_ext_phy_set_pause(params, phy, vars);
7394
7395 /* Restart autoneg */
7396 msleep(500);
7397 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
7398 DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
7399 ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
7400 return 0;
7401}
7402
7403static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
7404 struct link_params *params,
7405 struct link_vars *vars)
7406{
7407 struct bnx2x *bp = params->bp;
7408 u8 link_up = 0;
7409 u16 val1, val2;
7410 u16 link_status = 0;
7411 u16 an1000_status = 0;
7412
7413 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00007414 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007415
7416 DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
7417
7418 /* clear the interrupt LASI status register */
7419 bnx2x_cl45_read(bp, phy,
7420 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7421 bnx2x_cl45_read(bp, phy,
7422 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
7423 DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
7424 /* Clear MSG-OUT */
7425 bnx2x_cl45_read(bp, phy,
7426 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
7427
7428 /* Check the LASI */
7429 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00007430 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007431
7432 DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
7433
7434 /* Check the link status */
7435 bnx2x_cl45_read(bp, phy,
7436 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7437 DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
7438
7439 bnx2x_cl45_read(bp, phy,
7440 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7441 bnx2x_cl45_read(bp, phy,
7442 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7443 link_up = ((val1 & 4) == 4);
7444 DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
7445
7446 if (link_up &&
7447 ((phy->req_line_speed != SPEED_10000))) {
7448 if (bnx2x_8073_xaui_wa(bp, phy) != 0)
7449 return 0;
7450 }
7451 bnx2x_cl45_read(bp, phy,
7452 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7453 bnx2x_cl45_read(bp, phy,
7454 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7455
7456 /* Check the link status on 1.1.2 */
7457 bnx2x_cl45_read(bp, phy,
7458 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7459 bnx2x_cl45_read(bp, phy,
7460 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7461 DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
7462 "an_link_status=0x%x\n", val2, val1, an1000_status);
7463
7464 link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
7465 if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007466 /* The SNR will improve about 2dbby changing the BW and FEE main
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007467 * tap. The 1st write to change FFE main tap is set before
7468 * restart AN. Change PLL Bandwidth in EDC register
7469 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007470 bnx2x_cl45_write(bp, phy,
7471 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
7472 0x26BC);
7473
7474 /* Change CDR Bandwidth in EDC register */
7475 bnx2x_cl45_write(bp, phy,
7476 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
7477 0x0333);
7478 }
7479 bnx2x_cl45_read(bp, phy,
7480 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7481 &link_status);
7482
7483 /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
7484 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
7485 link_up = 1;
7486 vars->line_speed = SPEED_10000;
7487 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
7488 params->port);
7489 } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
7490 link_up = 1;
7491 vars->line_speed = SPEED_2500;
7492 DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
7493 params->port);
7494 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
7495 link_up = 1;
7496 vars->line_speed = SPEED_1000;
7497 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
7498 params->port);
7499 } else {
7500 link_up = 0;
7501 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
7502 params->port);
7503 }
7504
7505 if (link_up) {
Yaniv Rosner74d7a112011-01-18 04:33:18 +00007506 /* Swap polarity if required */
7507 if (params->lane_config &
7508 PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7509 /* Configure the 8073 to swap P and N of the KR lines */
7510 bnx2x_cl45_read(bp, phy,
7511 MDIO_XS_DEVAD,
7512 MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007513 /* Set bit 3 to invert Rx in 1G mode and clear this bit
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007514 * when it`s in 10G mode.
7515 */
Yaniv Rosner74d7a112011-01-18 04:33:18 +00007516 if (vars->line_speed == SPEED_1000) {
7517 DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
7518 "the 8073\n");
7519 val1 |= (1<<3);
7520 } else
7521 val1 &= ~(1<<3);
7522
7523 bnx2x_cl45_write(bp, phy,
7524 MDIO_XS_DEVAD,
7525 MDIO_XS_REG_8073_RX_CTRL_PCIE,
7526 val1);
7527 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007528 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7529 bnx2x_8073_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00007530 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007531 }
Mintz Yuval9e7e8392012-02-15 02:10:24 +00007532
7533 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
7534 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
7535 MDIO_AN_REG_LP_AUTO_NEG2, &val1);
7536
7537 if (val1 & (1<<5))
7538 vars->link_status |=
7539 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
7540 if (val1 & (1<<7))
7541 vars->link_status |=
7542 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
7543 }
7544
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007545 return link_up;
7546}
7547
7548static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
7549 struct link_params *params)
7550{
7551 struct bnx2x *bp = params->bp;
7552 u8 gpio_port;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007553 if (CHIP_IS_E2(bp))
7554 gpio_port = BP_PATH(bp);
7555 else
7556 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007557 DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
7558 gpio_port);
7559 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007560 MISC_REGISTERS_GPIO_OUTPUT_LOW,
7561 gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007562}
7563
7564/******************************************************************/
7565/* BCM8705 PHY SECTION */
7566/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007567static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
7568 struct link_params *params,
7569 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007570{
7571 struct bnx2x *bp = params->bp;
7572 DP(NETIF_MSG_LINK, "init 8705\n");
7573 /* Restore normal power mode*/
7574 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007575 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007576 /* HW reset */
7577 bnx2x_ext_phy_hw_reset(bp, params->port);
7578 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00007579 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007580
7581 bnx2x_cl45_write(bp, phy,
7582 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
7583 bnx2x_cl45_write(bp, phy,
7584 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
7585 bnx2x_cl45_write(bp, phy,
7586 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
7587 bnx2x_cl45_write(bp, phy,
7588 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
7589 /* BCM8705 doesn't have microcode, hence the 0 */
7590 bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
7591 return 0;
7592}
7593
7594static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
7595 struct link_params *params,
7596 struct link_vars *vars)
7597{
7598 u8 link_up = 0;
7599 u16 val1, rx_sd;
7600 struct bnx2x *bp = params->bp;
7601 DP(NETIF_MSG_LINK, "read status 8705\n");
7602 bnx2x_cl45_read(bp, phy,
7603 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7604 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7605
7606 bnx2x_cl45_read(bp, phy,
7607 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7608 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7609
7610 bnx2x_cl45_read(bp, phy,
7611 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7612
7613 bnx2x_cl45_read(bp, phy,
7614 MDIO_PMA_DEVAD, 0xc809, &val1);
7615 bnx2x_cl45_read(bp, phy,
7616 MDIO_PMA_DEVAD, 0xc809, &val1);
7617
7618 DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
7619 link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
7620 if (link_up) {
7621 vars->line_speed = SPEED_10000;
7622 bnx2x_ext_phy_resolve_fc(phy, params, vars);
7623 }
7624 return link_up;
7625}
7626
7627/******************************************************************/
7628/* SFP+ module Section */
7629/******************************************************************/
Yaniv Rosner85242ee2011-07-05 01:06:53 +00007630static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
7631 struct bnx2x_phy *phy,
7632 u8 pmd_dis)
7633{
7634 struct bnx2x *bp = params->bp;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007635 /* Disable transmitter only for bootcodes which can enable it afterwards
Yaniv Rosner85242ee2011-07-05 01:06:53 +00007636 * (for D3 link)
7637 */
7638 if (pmd_dis) {
7639 if (params->feature_config_flags &
7640 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
7641 DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
7642 else {
7643 DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
7644 return;
7645 }
7646 } else
7647 DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
7648 bnx2x_cl45_write(bp, phy,
7649 MDIO_PMA_DEVAD,
7650 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
7651}
7652
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007653static u8 bnx2x_get_gpio_port(struct link_params *params)
7654{
7655 u8 gpio_port;
7656 u32 swap_val, swap_override;
7657 struct bnx2x *bp = params->bp;
7658 if (CHIP_IS_E2(bp))
7659 gpio_port = BP_PATH(bp);
7660 else
7661 gpio_port = params->port;
7662 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7663 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7664 return gpio_port ^ (swap_val && swap_override);
7665}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007666
7667static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
7668 struct bnx2x_phy *phy,
7669 u8 tx_en)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007670{
7671 u16 val;
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007672 u8 port = params->port;
7673 struct bnx2x *bp = params->bp;
7674 u32 tx_en_mode;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007675
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007676 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007677 tx_en_mode = REG_RD(bp, params->shmem_base +
7678 offsetof(struct shmem_region,
7679 dev_info.port_hw_config[port].sfp_ctrl)) &
7680 PORT_HW_CFG_TX_LASER_MASK;
7681 DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
7682 "mode = %x\n", tx_en, port, tx_en_mode);
7683 switch (tx_en_mode) {
7684 case PORT_HW_CFG_TX_LASER_MDIO:
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007685
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007686 bnx2x_cl45_read(bp, phy,
7687 MDIO_PMA_DEVAD,
7688 MDIO_PMA_REG_PHY_IDENTIFIER,
7689 &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007690
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007691 if (tx_en)
7692 val &= ~(1<<15);
7693 else
7694 val |= (1<<15);
7695
7696 bnx2x_cl45_write(bp, phy,
7697 MDIO_PMA_DEVAD,
7698 MDIO_PMA_REG_PHY_IDENTIFIER,
7699 val);
7700 break;
7701 case PORT_HW_CFG_TX_LASER_GPIO0:
7702 case PORT_HW_CFG_TX_LASER_GPIO1:
7703 case PORT_HW_CFG_TX_LASER_GPIO2:
7704 case PORT_HW_CFG_TX_LASER_GPIO3:
7705 {
7706 u16 gpio_pin;
7707 u8 gpio_port, gpio_mode;
7708 if (tx_en)
7709 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
7710 else
7711 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
7712
7713 gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
7714 gpio_port = bnx2x_get_gpio_port(params);
7715 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7716 break;
7717 }
7718 default:
7719 DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
7720 break;
7721 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007722}
7723
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007724static void bnx2x_sfp_set_transmitter(struct link_params *params,
7725 struct bnx2x_phy *phy,
7726 u8 tx_en)
7727{
7728 struct bnx2x *bp = params->bp;
7729 DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
7730 if (CHIP_IS_E3(bp))
7731 bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
7732 else
7733 bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
7734}
7735
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007736static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7737 struct link_params *params,
7738 u16 addr, u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007739{
7740 struct bnx2x *bp = params->bp;
7741 u16 val = 0;
7742 u16 i;
7743 if (byte_cnt > 16) {
Joe Perches94f05b02011-08-14 12:16:20 +00007744 DP(NETIF_MSG_LINK,
7745 "Reading from eeprom is limited to 0xf\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007746 return -EINVAL;
7747 }
7748 /* Set the read command byte count */
7749 bnx2x_cl45_write(bp, phy,
7750 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007751 (byte_cnt | 0xa000));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007752
7753 /* Set the read command address */
7754 bnx2x_cl45_write(bp, phy,
7755 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007756 addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007757
7758 /* Activate read command */
7759 bnx2x_cl45_write(bp, phy,
7760 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007761 0x2c0f);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007762
7763 /* Wait up to 500us for command complete status */
7764 for (i = 0; i < 100; i++) {
7765 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007766 MDIO_PMA_DEVAD,
7767 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007768 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7769 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7770 break;
7771 udelay(5);
7772 }
7773
7774 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7775 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7776 DP(NETIF_MSG_LINK,
7777 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7778 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7779 return -EINVAL;
7780 }
7781
7782 /* Read the buffer */
7783 for (i = 0; i < byte_cnt; i++) {
7784 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007785 MDIO_PMA_DEVAD,
7786 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007787 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7788 }
7789
7790 for (i = 0; i < 100; i++) {
7791 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007792 MDIO_PMA_DEVAD,
7793 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007794 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7795 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
Joe Perches6f38ad92010-11-14 17:04:31 +00007796 return 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007797 msleep(1);
7798 }
7799 return -EINVAL;
7800}
7801
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007802static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7803 struct link_params *params,
7804 u16 addr, u8 byte_cnt,
7805 u8 *o_buf)
7806{
7807 int rc = 0;
7808 u8 i, j = 0, cnt = 0;
7809 u32 data_array[4];
7810 u16 addr32;
7811 struct bnx2x *bp = params->bp;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007812 if (byte_cnt > 16) {
Joe Perches94f05b02011-08-14 12:16:20 +00007813 DP(NETIF_MSG_LINK,
7814 "Reading from eeprom is limited to 16 bytes\n");
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007815 return -EINVAL;
7816 }
7817
7818 /* 4 byte aligned address */
7819 addr32 = addr & (~0x3);
7820 do {
7821 rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
7822 data_array);
7823 } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
7824
7825 if (rc == 0) {
7826 for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
7827 o_buf[j] = *((u8 *)data_array + i);
7828 j++;
7829 }
7830 }
7831
7832 return rc;
7833}
7834
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007835static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7836 struct link_params *params,
7837 u16 addr, u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007838{
7839 struct bnx2x *bp = params->bp;
7840 u16 val, i;
7841
7842 if (byte_cnt > 16) {
Joe Perches94f05b02011-08-14 12:16:20 +00007843 DP(NETIF_MSG_LINK,
7844 "Reading from eeprom is limited to 0xf\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007845 return -EINVAL;
7846 }
7847
7848 /* Need to read from 1.8000 to clear it */
7849 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007850 MDIO_PMA_DEVAD,
7851 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7852 &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007853
7854 /* Set the read command byte count */
7855 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007856 MDIO_PMA_DEVAD,
7857 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7858 ((byte_cnt < 2) ? 2 : byte_cnt));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007859
7860 /* Set the read command address */
7861 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007862 MDIO_PMA_DEVAD,
7863 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7864 addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007865 /* Set the destination address */
7866 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007867 MDIO_PMA_DEVAD,
7868 0x8004,
7869 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007870
7871 /* Activate read command */
7872 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007873 MDIO_PMA_DEVAD,
7874 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7875 0x8002);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007876 /* Wait appropriate time for two-wire command to finish before
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007877 * polling the status register
7878 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007879 msleep(1);
7880
7881 /* Wait up to 500us for command complete status */
7882 for (i = 0; i < 100; i++) {
7883 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007884 MDIO_PMA_DEVAD,
7885 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007886 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7887 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7888 break;
7889 udelay(5);
7890 }
7891
7892 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7893 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7894 DP(NETIF_MSG_LINK,
7895 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7896 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
Yaniv Rosner65a001b2011-01-31 04:22:03 +00007897 return -EFAULT;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007898 }
7899
7900 /* Read the buffer */
7901 for (i = 0; i < byte_cnt; i++) {
7902 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007903 MDIO_PMA_DEVAD,
7904 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007905 o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
7906 }
7907
7908 for (i = 0; i < 100; i++) {
7909 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007910 MDIO_PMA_DEVAD,
7911 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007912 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7913 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
Joe Perches6f38ad92010-11-14 17:04:31 +00007914 return 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007915 msleep(1);
7916 }
7917
7918 return -EINVAL;
7919}
7920
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007921int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7922 struct link_params *params, u16 addr,
7923 u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007924{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007925 int rc = -EINVAL;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007926 switch (phy->type) {
7927 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
7928 rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
7929 byte_cnt, o_buf);
7930 break;
7931 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
7932 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
7933 rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
7934 byte_cnt, o_buf);
7935 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007936 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7937 rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
7938 byte_cnt, o_buf);
7939 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007940 }
7941 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007942}
7943
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007944static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
7945 struct link_params *params,
7946 u16 *edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007947{
7948 struct bnx2x *bp = params->bp;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007949 u32 sync_offset = 0, phy_idx, media_types;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007950 u8 val, check_limiting_mode = 0;
7951 *edc_mode = EDC_MODE_LIMITING;
7952
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007953 phy->media_type = ETH_PHY_UNSPECIFIED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007954 /* First check for copper cable */
7955 if (bnx2x_read_sfp_module_eeprom(phy,
7956 params,
7957 SFP_EEPROM_CON_TYPE_ADDR,
7958 1,
7959 &val) != 0) {
7960 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
7961 return -EINVAL;
7962 }
7963
7964 switch (val) {
7965 case SFP_EEPROM_CON_TYPE_VAL_COPPER:
7966 {
7967 u8 copper_module_type;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007968 phy->media_type = ETH_PHY_DA_TWINAX;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00007969 /* Check if its active cable (includes SFP+ module)
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007970 * of passive cable
7971 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007972 if (bnx2x_read_sfp_module_eeprom(phy,
7973 params,
7974 SFP_EEPROM_FC_TX_TECH_ADDR,
7975 1,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007976 &copper_module_type) != 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007977 DP(NETIF_MSG_LINK,
7978 "Failed to read copper-cable-type"
7979 " from SFP+ EEPROM\n");
7980 return -EINVAL;
7981 }
7982
7983 if (copper_module_type &
7984 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
7985 DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
7986 check_limiting_mode = 1;
7987 } else if (copper_module_type &
7988 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
Joe Perches94f05b02011-08-14 12:16:20 +00007989 DP(NETIF_MSG_LINK,
7990 "Passive Copper cable detected\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007991 *edc_mode =
7992 EDC_MODE_PASSIVE_DAC;
7993 } else {
Joe Perches94f05b02011-08-14 12:16:20 +00007994 DP(NETIF_MSG_LINK,
7995 "Unknown copper-cable-type 0x%x !!!\n",
7996 copper_module_type);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007997 return -EINVAL;
7998 }
7999 break;
8000 }
8001 case SFP_EEPROM_CON_TYPE_VAL_LC:
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00008002 phy->media_type = ETH_PHY_SFP_FIBER;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008003 DP(NETIF_MSG_LINK, "Optic module detected\n");
8004 check_limiting_mode = 1;
8005 break;
8006 default:
8007 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
8008 val);
8009 return -EINVAL;
8010 }
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00008011 sync_offset = params->shmem_base +
8012 offsetof(struct shmem_region,
8013 dev_info.port_hw_config[params->port].media_type);
8014 media_types = REG_RD(bp, sync_offset);
8015 /* Update media type for non-PMF sync */
8016 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
8017 if (&(params->phy[phy_idx]) == phy) {
8018 media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
8019 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8020 media_types |= ((phy->media_type &
8021 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
8022 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8023 break;
8024 }
8025 }
8026 REG_WR(bp, sync_offset, media_types);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008027 if (check_limiting_mode) {
8028 u8 options[SFP_EEPROM_OPTIONS_SIZE];
8029 if (bnx2x_read_sfp_module_eeprom(phy,
8030 params,
8031 SFP_EEPROM_OPTIONS_ADDR,
8032 SFP_EEPROM_OPTIONS_SIZE,
8033 options) != 0) {
Joe Perches94f05b02011-08-14 12:16:20 +00008034 DP(NETIF_MSG_LINK,
8035 "Failed to read Option field from module EEPROM\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008036 return -EINVAL;
8037 }
8038 if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
8039 *edc_mode = EDC_MODE_LINEAR;
8040 else
8041 *edc_mode = EDC_MODE_LIMITING;
8042 }
8043 DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
8044 return 0;
8045}
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008046/* This function read the relevant field from the module (SFP+), and verify it
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008047 * is compliant with this board
8048 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008049static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
8050 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008051{
8052 struct bnx2x *bp = params->bp;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008053 u32 val, cmd;
8054 u32 fw_resp, fw_cmd_param;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008055 char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
8056 char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008057 phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008058 val = REG_RD(bp, params->shmem_base +
8059 offsetof(struct shmem_region, dev_info.
8060 port_feature_config[params->port].config));
8061 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8062 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
8063 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
8064 return 0;
8065 }
8066
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008067 if (params->feature_config_flags &
8068 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
8069 /* Use specific phy request */
8070 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
8071 } else if (params->feature_config_flags &
8072 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
8073 /* Use first phy request only in case of non-dual media*/
8074 if (DUAL_MEDIA(params)) {
Joe Perches94f05b02011-08-14 12:16:20 +00008075 DP(NETIF_MSG_LINK,
8076 "FW does not support OPT MDL verification\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008077 return -EINVAL;
8078 }
8079 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
8080 } else {
8081 /* No support in OPT MDL detection */
Joe Perches94f05b02011-08-14 12:16:20 +00008082 DP(NETIF_MSG_LINK,
8083 "FW does not support OPT MDL verification\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008084 return -EINVAL;
8085 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008086
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008087 fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
8088 fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008089 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
8090 DP(NETIF_MSG_LINK, "Approved module\n");
8091 return 0;
8092 }
8093
8094 /* format the warning message */
8095 if (bnx2x_read_sfp_module_eeprom(phy,
8096 params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008097 SFP_EEPROM_VENDOR_NAME_ADDR,
8098 SFP_EEPROM_VENDOR_NAME_SIZE,
8099 (u8 *)vendor_name))
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008100 vendor_name[0] = '\0';
8101 else
8102 vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
8103 if (bnx2x_read_sfp_module_eeprom(phy,
8104 params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008105 SFP_EEPROM_PART_NO_ADDR,
8106 SFP_EEPROM_PART_NO_SIZE,
8107 (u8 *)vendor_pn))
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008108 vendor_pn[0] = '\0';
8109 else
8110 vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
8111
Yaniv Rosner6d870c32011-01-31 04:22:20 +00008112 netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
8113 " Port %d from %s part number %s\n",
8114 params->port, vendor_name, vendor_pn);
Yaniv Rosner59a2e532012-04-04 01:28:59 +00008115 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8116 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
8117 phy->flags |= FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008118 return -EINVAL;
8119}
8120
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008121static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
8122 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008123
8124{
8125 u8 val;
8126 struct bnx2x *bp = params->bp;
8127 u16 timeout;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008128 /* Initialization time after hot-plug may take up to 300ms for
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008129 * some phys type ( e.g. JDSU )
8130 */
8131
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008132 for (timeout = 0; timeout < 60; timeout++) {
8133 if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
8134 == 0) {
Joe Perches94f05b02011-08-14 12:16:20 +00008135 DP(NETIF_MSG_LINK,
8136 "SFP+ module initialization took %d ms\n",
8137 timeout * 5);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008138 return 0;
8139 }
8140 msleep(5);
8141 }
8142 return -EINVAL;
8143}
8144
8145static void bnx2x_8727_power_module(struct bnx2x *bp,
8146 struct bnx2x_phy *phy,
8147 u8 is_power_up) {
8148 /* Make sure GPIOs are not using for LED mode */
8149 u16 val;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008150 /* In the GPIO register, bit 4 is use to determine if the GPIOs are
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008151 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
8152 * output
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008153 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
8154 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008155 * where the 1st bit is the over-current(only input), and 2nd bit is
8156 * for power( only output )
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008157 *
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008158 * In case of NOC feature is disabled and power is up, set GPIO control
8159 * as input to enable listening of over-current indication
8160 */
8161 if (phy->flags & FLAGS_NOC)
8162 return;
Yaniv Rosner27d02432011-05-31 21:27:48 +00008163 if (is_power_up)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008164 val = (1<<4);
8165 else
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008166 /* Set GPIO control to OUTPUT, and set the power bit
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008167 * to according to the is_power_up
8168 */
Yaniv Rosner27d02432011-05-31 21:27:48 +00008169 val = (1<<1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008170
8171 bnx2x_cl45_write(bp, phy,
8172 MDIO_PMA_DEVAD,
8173 MDIO_PMA_REG_8727_GPIO_CTRL,
8174 val);
8175}
8176
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008177static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
8178 struct bnx2x_phy *phy,
8179 u16 edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008180{
8181 u16 cur_limiting_mode;
8182
8183 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008184 MDIO_PMA_DEVAD,
8185 MDIO_PMA_REG_ROM_VER2,
8186 &cur_limiting_mode);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008187 DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
8188 cur_limiting_mode);
8189
8190 if (edc_mode == EDC_MODE_LIMITING) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008191 DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008192 bnx2x_cl45_write(bp, phy,
8193 MDIO_PMA_DEVAD,
8194 MDIO_PMA_REG_ROM_VER2,
8195 EDC_MODE_LIMITING);
8196 } else { /* LRM mode ( default )*/
8197
8198 DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
8199
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008200 /* Changing to LRM mode takes quite few seconds. So do it only
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008201 * if current mode is limiting (default is LRM)
8202 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008203 if (cur_limiting_mode != EDC_MODE_LIMITING)
8204 return 0;
8205
8206 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008207 MDIO_PMA_DEVAD,
8208 MDIO_PMA_REG_LRM_MODE,
8209 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008210 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008211 MDIO_PMA_DEVAD,
8212 MDIO_PMA_REG_ROM_VER2,
8213 0x128);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008214 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008215 MDIO_PMA_DEVAD,
8216 MDIO_PMA_REG_MISC_CTRL0,
8217 0x4008);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008218 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008219 MDIO_PMA_DEVAD,
8220 MDIO_PMA_REG_LRM_MODE,
8221 0xaaaa);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008222 }
8223 return 0;
8224}
8225
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008226static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
8227 struct bnx2x_phy *phy,
8228 u16 edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008229{
8230 u16 phy_identifier;
8231 u16 rom_ver2_val;
8232 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008233 MDIO_PMA_DEVAD,
8234 MDIO_PMA_REG_PHY_IDENTIFIER,
8235 &phy_identifier);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008236
8237 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008238 MDIO_PMA_DEVAD,
8239 MDIO_PMA_REG_PHY_IDENTIFIER,
8240 (phy_identifier & ~(1<<9)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008241
8242 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008243 MDIO_PMA_DEVAD,
8244 MDIO_PMA_REG_ROM_VER2,
8245 &rom_ver2_val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008246 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
8247 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008248 MDIO_PMA_DEVAD,
8249 MDIO_PMA_REG_ROM_VER2,
8250 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008251
8252 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008253 MDIO_PMA_DEVAD,
8254 MDIO_PMA_REG_PHY_IDENTIFIER,
8255 (phy_identifier | (1<<9)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008256
8257 return 0;
8258}
8259
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008260static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
8261 struct link_params *params,
8262 u32 action)
8263{
8264 struct bnx2x *bp = params->bp;
8265
8266 switch (action) {
8267 case DISABLE_TX:
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008268 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008269 break;
8270 case ENABLE_TX:
8271 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008272 bnx2x_sfp_set_transmitter(params, phy, 1);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008273 break;
8274 default:
8275 DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
8276 action);
8277 return;
8278 }
8279}
8280
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008281static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008282 u8 gpio_mode)
8283{
8284 struct bnx2x *bp = params->bp;
8285
8286 u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
8287 offsetof(struct shmem_region,
8288 dev_info.port_hw_config[params->port].sfp_ctrl)) &
8289 PORT_HW_CFG_FAULT_MODULE_LED_MASK;
8290 switch (fault_led_gpio) {
8291 case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
8292 return;
8293 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
8294 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
8295 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
8296 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
8297 {
8298 u8 gpio_port = bnx2x_get_gpio_port(params);
8299 u16 gpio_pin = fault_led_gpio -
8300 PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
8301 DP(NETIF_MSG_LINK, "Set fault module-detected led "
8302 "pin %x port %x mode %x\n",
8303 gpio_pin, gpio_port, gpio_mode);
8304 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
8305 }
8306 break;
8307 default:
8308 DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
8309 fault_led_gpio);
8310 }
8311}
8312
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008313static void bnx2x_set_e3_module_fault_led(struct link_params *params,
8314 u8 gpio_mode)
8315{
8316 u32 pin_cfg;
8317 u8 port = params->port;
8318 struct bnx2x *bp = params->bp;
8319 pin_cfg = (REG_RD(bp, params->shmem_base +
8320 offsetof(struct shmem_region,
8321 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
8322 PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
8323 PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
8324 DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
8325 gpio_mode, pin_cfg);
8326 bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
8327}
8328
8329static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
8330 u8 gpio_mode)
8331{
8332 struct bnx2x *bp = params->bp;
8333 DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
8334 if (CHIP_IS_E3(bp)) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008335 /* Low ==> if SFP+ module is supported otherwise
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008336 * High ==> if SFP+ module is not on the approved vendor list
8337 */
8338 bnx2x_set_e3_module_fault_led(params, gpio_mode);
8339 } else
8340 bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
8341}
8342
8343static void bnx2x_warpcore_power_module(struct link_params *params,
8344 struct bnx2x_phy *phy,
8345 u8 power)
8346{
8347 u32 pin_cfg;
8348 struct bnx2x *bp = params->bp;
8349
8350 pin_cfg = (REG_RD(bp, params->shmem_base +
8351 offsetof(struct shmem_region,
8352 dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
8353 PORT_HW_CFG_E3_PWR_DIS_MASK) >>
8354 PORT_HW_CFG_E3_PWR_DIS_SHIFT;
Yaniv Rosner985848f2011-07-05 01:06:48 +00008355
8356 if (pin_cfg == PIN_CFG_NA)
8357 return;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008358 DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
8359 power, pin_cfg);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008360 /* Low ==> corresponding SFP+ module is powered
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008361 * high ==> the SFP+ module is powered down
8362 */
8363 bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
8364}
8365
Yaniv Rosner985848f2011-07-05 01:06:48 +00008366static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
8367 struct link_params *params)
8368{
Yaniv Rosnerb76070b2011-11-28 00:49:47 +00008369 struct bnx2x *bp = params->bp;
Yaniv Rosner985848f2011-07-05 01:06:48 +00008370 bnx2x_warpcore_power_module(params, phy, 0);
Yaniv Rosnerb76070b2011-11-28 00:49:47 +00008371 /* Put Warpcore in low power mode */
8372 REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
8373
8374 /* Put LCPLL in low power mode */
8375 REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
8376 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
8377 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
Yaniv Rosner985848f2011-07-05 01:06:48 +00008378}
8379
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008380static void bnx2x_power_sfp_module(struct link_params *params,
8381 struct bnx2x_phy *phy,
8382 u8 power)
8383{
8384 struct bnx2x *bp = params->bp;
8385 DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
8386
8387 switch (phy->type) {
8388 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8389 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8390 bnx2x_8727_power_module(params->bp, phy, power);
8391 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008392 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8393 bnx2x_warpcore_power_module(params, phy, power);
8394 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008395 default:
8396 break;
8397 }
8398}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008399static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
8400 struct bnx2x_phy *phy,
8401 u16 edc_mode)
8402{
8403 u16 val = 0;
8404 u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8405 struct bnx2x *bp = params->bp;
8406
8407 u8 lane = bnx2x_get_warpcore_lane(phy, params);
8408 /* This is a global register which controls all lanes */
8409 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8410 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8411 val &= ~(0xf << (lane << 2));
8412
8413 switch (edc_mode) {
8414 case EDC_MODE_LINEAR:
8415 case EDC_MODE_LIMITING:
8416 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8417 break;
8418 case EDC_MODE_PASSIVE_DAC:
8419 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
8420 break;
8421 default:
8422 break;
8423 }
8424
8425 val |= (mode << (lane << 2));
8426 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
8427 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
8428 /* A must read */
8429 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8430 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8431
Yaniv Rosner19af03a2011-08-02 22:59:47 +00008432 /* Restart microcode to re-read the new mode */
8433 bnx2x_warpcore_reset_lane(bp, phy, 1);
8434 bnx2x_warpcore_reset_lane(bp, phy, 0);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008435
8436}
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008437
8438static void bnx2x_set_limiting_mode(struct link_params *params,
8439 struct bnx2x_phy *phy,
8440 u16 edc_mode)
8441{
8442 switch (phy->type) {
8443 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8444 bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
8445 break;
8446 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8447 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8448 bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
8449 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008450 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8451 bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
8452 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008453 }
8454}
8455
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008456int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
8457 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008458{
8459 struct bnx2x *bp = params->bp;
8460 u16 edc_mode;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008461 int rc = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008462
8463 u32 val = REG_RD(bp, params->shmem_base +
8464 offsetof(struct shmem_region, dev_info.
8465 port_feature_config[params->port].config));
8466
8467 DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
8468 params->port);
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008469 /* Power up module */
8470 bnx2x_power_sfp_module(params, phy, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008471 if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
8472 DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
8473 return -EINVAL;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008474 } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008475 /* check SFP+ module compatibility */
8476 DP(NETIF_MSG_LINK, "Module verification failed!!\n");
8477 rc = -EINVAL;
8478 /* Turn on fault module-detected led */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008479 bnx2x_set_sfp_module_fault_led(params,
8480 MISC_REGISTERS_GPIO_HIGH);
8481
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008482 /* Check if need to power down the SFP+ module */
8483 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8484 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008485 DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008486 bnx2x_power_sfp_module(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008487 return rc;
8488 }
8489 } else {
8490 /* Turn off fault module-detected led */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008491 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008492 }
8493
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008494 /* Check and set limiting mode / LRM mode on 8726. On 8727 it
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008495 * is done automatically
8496 */
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008497 bnx2x_set_limiting_mode(params, phy, edc_mode);
8498
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008499 /* Enable transmit for this module if the module is approved, or
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008500 * if unapproved modules should also enable the Tx laser
8501 */
8502 if (rc == 0 ||
8503 (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8504 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008505 bnx2x_sfp_set_transmitter(params, phy, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008506 else
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008507 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008508
8509 return rc;
8510}
8511
8512void bnx2x_handle_module_detect_int(struct link_params *params)
8513{
8514 struct bnx2x *bp = params->bp;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008515 struct bnx2x_phy *phy;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008516 u32 gpio_val;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008517 u8 gpio_num, gpio_port;
8518 if (CHIP_IS_E3(bp))
8519 phy = &params->phy[INT_PHY];
8520 else
8521 phy = &params->phy[EXT_PHY1];
8522
8523 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
8524 params->port, &gpio_num, &gpio_port) ==
8525 -EINVAL) {
8526 DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
8527 return;
8528 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008529
8530 /* Set valid module led off */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008531 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008532
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008533 /* Get current gpio val reflecting module plugged in / out*/
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008534 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008535
8536 /* Call the handling function in case module is detected */
8537 if (gpio_val == 0) {
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008538 bnx2x_power_sfp_module(params, phy, 1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008539 bnx2x_set_gpio_int(bp, gpio_num,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008540 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008541 gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008542 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
8543 bnx2x_sfp_module_detection(phy, params);
8544 else
8545 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
8546 } else {
8547 u32 val = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008548 offsetof(struct shmem_region, dev_info.
8549 port_feature_config[params->port].
8550 config));
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008551 bnx2x_set_gpio_int(bp, gpio_num,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008552 MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008553 gpio_port);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008554 /* Module was plugged out.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008555 * Disable transmit for this module
8556 */
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00008557 phy->media_type = ETH_PHY_NOT_PRESENT;
Yaniv Rosnerde6f3372011-08-02 22:59:25 +00008558 if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8559 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
8560 CHIP_IS_E3(bp))
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008561 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008562 }
8563}
8564
8565/******************************************************************/
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008566/* Used by 8706 and 8727 */
8567/******************************************************************/
8568static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
8569 struct bnx2x_phy *phy,
8570 u16 alarm_status_offset,
8571 u16 alarm_ctrl_offset)
8572{
8573 u16 alarm_status, val;
8574 bnx2x_cl45_read(bp, phy,
8575 MDIO_PMA_DEVAD, alarm_status_offset,
8576 &alarm_status);
8577 bnx2x_cl45_read(bp, phy,
8578 MDIO_PMA_DEVAD, alarm_status_offset,
8579 &alarm_status);
8580 /* Mask or enable the fault event. */
8581 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
8582 if (alarm_status & (1<<0))
8583 val &= ~(1<<0);
8584 else
8585 val |= (1<<0);
8586 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
8587}
8588/******************************************************************/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008589/* common BCM8706/BCM8726 PHY SECTION */
8590/******************************************************************/
8591static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
8592 struct link_params *params,
8593 struct link_vars *vars)
8594{
8595 u8 link_up = 0;
8596 u16 val1, val2, rx_sd, pcs_status;
8597 struct bnx2x *bp = params->bp;
8598 DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
8599 /* Clear RX Alarm*/
8600 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008601 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008602
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008603 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8604 MDIO_PMA_LASI_TXCTRL);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008605
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008606 /* clear LASI indication*/
8607 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008608 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008609 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008610 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008611 DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8612
8613 bnx2x_cl45_read(bp, phy,
8614 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8615 bnx2x_cl45_read(bp, phy,
8616 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
8617 bnx2x_cl45_read(bp, phy,
8618 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8619 bnx2x_cl45_read(bp, phy,
8620 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8621
8622 DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
8623 " link_status 0x%x\n", rx_sd, pcs_status, val2);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008624 /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008625 * are set, or if the autoneg bit 1 is set
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008626 */
8627 link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
8628 if (link_up) {
8629 if (val2 & (1<<1))
8630 vars->line_speed = SPEED_1000;
8631 else
8632 vars->line_speed = SPEED_10000;
8633 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00008634 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008635 }
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008636
8637 /* Capture 10G link fault. Read twice to clear stale value. */
8638 if (vars->line_speed == SPEED_10000) {
8639 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008640 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008641 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008642 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008643 if (val1 & (1<<0))
8644 vars->fault_detected = 1;
8645 }
8646
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008647 return link_up;
8648}
8649
8650/******************************************************************/
8651/* BCM8706 PHY SECTION */
8652/******************************************************************/
8653static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
8654 struct link_params *params,
8655 struct link_vars *vars)
8656{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008657 u32 tx_en_mode;
8658 u16 cnt, val, tmp1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008659 struct bnx2x *bp = params->bp;
Yaniv Rosner3deb8162011-06-14 01:34:33 +00008660
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008661 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008662 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008663 /* HW reset */
8664 bnx2x_ext_phy_hw_reset(bp, params->port);
8665 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00008666 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008667
8668 /* Wait until fw is loaded */
8669 for (cnt = 0; cnt < 100; cnt++) {
8670 bnx2x_cl45_read(bp, phy,
8671 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
8672 if (val)
8673 break;
8674 msleep(10);
8675 }
8676 DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
8677 if ((params->feature_config_flags &
8678 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8679 u8 i;
8680 u16 reg;
8681 for (i = 0; i < 4; i++) {
8682 reg = MDIO_XS_8706_REG_BANK_RX0 +
8683 i*(MDIO_XS_8706_REG_BANK_RX1 -
8684 MDIO_XS_8706_REG_BANK_RX0);
8685 bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
8686 /* Clear first 3 bits of the control */
8687 val &= ~0x7;
8688 /* Set control bits according to configuration */
8689 val |= (phy->rx_preemphasis[i] & 0x7);
8690 DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
8691 " reg 0x%x <-- val 0x%x\n", reg, val);
8692 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
8693 }
8694 }
8695 /* Force speed */
8696 if (phy->req_line_speed == SPEED_10000) {
8697 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
8698
8699 bnx2x_cl45_write(bp, phy,
8700 MDIO_PMA_DEVAD,
8701 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
8702 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008703 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008704 0);
8705 /* Arm LASI for link and Tx fault. */
8706 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008707 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008708 } else {
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008709 /* Force 1Gbps using autoneg with 1G advertisement */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008710
8711 /* Allow CL37 through CL73 */
8712 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
8713 bnx2x_cl45_write(bp, phy,
8714 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8715
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008716 /* Enable Full-Duplex advertisement on CL37 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008717 bnx2x_cl45_write(bp, phy,
8718 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
8719 /* Enable CL37 AN */
8720 bnx2x_cl45_write(bp, phy,
8721 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8722 /* 1G support */
8723 bnx2x_cl45_write(bp, phy,
8724 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
8725
8726 /* Enable clause 73 AN */
8727 bnx2x_cl45_write(bp, phy,
8728 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8729 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008730 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008731 0x0400);
8732 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008733 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008734 0x0004);
8735 }
8736 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008737
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008738 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008739 * power mode, if TX Laser is disabled
8740 */
8741
8742 tx_en_mode = REG_RD(bp, params->shmem_base +
8743 offsetof(struct shmem_region,
8744 dev_info.port_hw_config[params->port].sfp_ctrl))
8745 & PORT_HW_CFG_TX_LASER_MASK;
8746
8747 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8748 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8749 bnx2x_cl45_read(bp, phy,
8750 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
8751 tmp1 |= 0x1;
8752 bnx2x_cl45_write(bp, phy,
8753 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
8754 }
8755
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008756 return 0;
8757}
8758
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008759static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
8760 struct link_params *params,
8761 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008762{
8763 return bnx2x_8706_8726_read_status(phy, params, vars);
8764}
8765
8766/******************************************************************/
8767/* BCM8726 PHY SECTION */
8768/******************************************************************/
8769static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
8770 struct link_params *params)
8771{
8772 struct bnx2x *bp = params->bp;
8773 DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
8774 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
8775}
8776
8777static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
8778 struct link_params *params)
8779{
8780 struct bnx2x *bp = params->bp;
8781 /* Need to wait 100ms after reset */
8782 msleep(100);
8783
8784 /* Micro controller re-boot */
8785 bnx2x_cl45_write(bp, phy,
8786 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
8787
8788 /* Set soft reset */
8789 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008790 MDIO_PMA_DEVAD,
8791 MDIO_PMA_REG_GEN_CTRL,
8792 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008793
8794 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008795 MDIO_PMA_DEVAD,
8796 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008797
8798 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008799 MDIO_PMA_DEVAD,
8800 MDIO_PMA_REG_GEN_CTRL,
8801 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008802
8803 /* wait for 150ms for microcode load */
8804 msleep(150);
8805
8806 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
8807 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008808 MDIO_PMA_DEVAD,
8809 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008810
8811 msleep(200);
8812 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8813}
8814
8815static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
8816 struct link_params *params,
8817 struct link_vars *vars)
8818{
8819 struct bnx2x *bp = params->bp;
8820 u16 val1;
8821 u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
8822 if (link_up) {
8823 bnx2x_cl45_read(bp, phy,
8824 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
8825 &val1);
8826 if (val1 & (1<<15)) {
8827 DP(NETIF_MSG_LINK, "Tx is disabled\n");
8828 link_up = 0;
8829 vars->line_speed = 0;
8830 }
8831 }
8832 return link_up;
8833}
8834
8835
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008836static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
8837 struct link_params *params,
8838 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008839{
8840 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008841 DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008842
8843 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00008844 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008845
8846 bnx2x_8726_external_rom_boot(phy, params);
8847
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008848 /* Need to call module detected on initialization since the module
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008849 * detection triggered by actual module insertion might occur before
8850 * driver is loaded, and when driver is loaded, it reset all
8851 * registers, including the transmitter
8852 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008853 bnx2x_sfp_module_detection(phy, params);
8854
8855 if (phy->req_line_speed == SPEED_1000) {
8856 DP(NETIF_MSG_LINK, "Setting 1G force\n");
8857 bnx2x_cl45_write(bp, phy,
8858 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
8859 bnx2x_cl45_write(bp, phy,
8860 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
8861 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008862 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008863 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008864 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008865 0x400);
8866 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
8867 (phy->speed_cap_mask &
8868 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
8869 ((phy->speed_cap_mask &
8870 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
8871 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
8872 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
8873 /* Set Flow control */
8874 bnx2x_ext_phy_set_pause(params, phy, vars);
8875 bnx2x_cl45_write(bp, phy,
8876 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
8877 bnx2x_cl45_write(bp, phy,
8878 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8879 bnx2x_cl45_write(bp, phy,
8880 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
8881 bnx2x_cl45_write(bp, phy,
8882 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8883 bnx2x_cl45_write(bp, phy,
8884 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008885 /* Enable RX-ALARM control to receive interrupt for 1G speed
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008886 * change
8887 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008888 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008889 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008890 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008891 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008892 0x400);
8893
8894 } else { /* Default 10G. Set only LASI control */
8895 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008896 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008897 }
8898
8899 /* Set TX PreEmphasis if needed */
8900 if ((params->feature_config_flags &
8901 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
Joe Perches94f05b02011-08-14 12:16:20 +00008902 DP(NETIF_MSG_LINK,
8903 "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008904 phy->tx_preemphasis[0],
8905 phy->tx_preemphasis[1]);
8906 bnx2x_cl45_write(bp, phy,
8907 MDIO_PMA_DEVAD,
8908 MDIO_PMA_REG_8726_TX_CTRL1,
8909 phy->tx_preemphasis[0]);
8910
8911 bnx2x_cl45_write(bp, phy,
8912 MDIO_PMA_DEVAD,
8913 MDIO_PMA_REG_8726_TX_CTRL2,
8914 phy->tx_preemphasis[1]);
8915 }
8916
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008917 return 0;
8918
8919}
8920
8921static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
8922 struct link_params *params)
8923{
8924 struct bnx2x *bp = params->bp;
8925 DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
8926 /* Set serial boot control for external load */
8927 bnx2x_cl45_write(bp, phy,
8928 MDIO_PMA_DEVAD,
8929 MDIO_PMA_REG_GEN_CTRL, 0x0001);
8930}
8931
8932/******************************************************************/
8933/* BCM8727 PHY SECTION */
8934/******************************************************************/
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00008935
8936static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
8937 struct link_params *params, u8 mode)
8938{
8939 struct bnx2x *bp = params->bp;
8940 u16 led_mode_bitmask = 0;
8941 u16 gpio_pins_bitmask = 0;
8942 u16 val;
8943 /* Only NOC flavor requires to set the LED specifically */
8944 if (!(phy->flags & FLAGS_NOC))
8945 return;
8946 switch (mode) {
8947 case LED_MODE_FRONT_PANEL_OFF:
8948 case LED_MODE_OFF:
8949 led_mode_bitmask = 0;
8950 gpio_pins_bitmask = 0x03;
8951 break;
8952 case LED_MODE_ON:
8953 led_mode_bitmask = 0;
8954 gpio_pins_bitmask = 0x02;
8955 break;
8956 case LED_MODE_OPER:
8957 led_mode_bitmask = 0x60;
8958 gpio_pins_bitmask = 0x11;
8959 break;
8960 }
8961 bnx2x_cl45_read(bp, phy,
8962 MDIO_PMA_DEVAD,
8963 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8964 &val);
8965 val &= 0xff8f;
8966 val |= led_mode_bitmask;
8967 bnx2x_cl45_write(bp, phy,
8968 MDIO_PMA_DEVAD,
8969 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8970 val);
8971 bnx2x_cl45_read(bp, phy,
8972 MDIO_PMA_DEVAD,
8973 MDIO_PMA_REG_8727_GPIO_CTRL,
8974 &val);
8975 val &= 0xffe0;
8976 val |= gpio_pins_bitmask;
8977 bnx2x_cl45_write(bp, phy,
8978 MDIO_PMA_DEVAD,
8979 MDIO_PMA_REG_8727_GPIO_CTRL,
8980 val);
8981}
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008982static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
8983 struct link_params *params) {
8984 u32 swap_val, swap_override;
8985 u8 port;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00008986 /* The PHY reset is controlled by GPIO 1. Fake the port number
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008987 * to cancel the swap done in set_gpio()
8988 */
8989 struct bnx2x *bp = params->bp;
8990 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
8991 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
8992 port = (swap_val && swap_override) ^ 1;
8993 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008994 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008995}
8996
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008997static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
8998 struct link_params *params,
8999 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009000{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00009001 u32 tx_en_mode;
9002 u16 tmp1, val, mod_abs, tmp2;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009003 u16 rx_alarm_ctrl_val;
9004 u16 lasi_ctrl_val;
9005 struct bnx2x *bp = params->bp;
9006 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
9007
Yaniv Rosner6d870c32011-01-31 04:22:20 +00009008 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009009 rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00009010 /* Should be 0x6 to enable XS on Tx side. */
9011 lasi_ctrl_val = 0x0006;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009012
9013 DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
9014 /* enable LASI */
9015 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009016 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009017 rx_alarm_ctrl_val);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00009018 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009019 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00009020 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009021 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009022 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009023
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009024 /* Initially configure MOD_ABS to interrupt when module is
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009025 * presence( bit 8)
9026 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009027 bnx2x_cl45_read(bp, phy,
9028 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009029 /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009030 * When the EDC is off it locks onto a reference clock and avoids
9031 * becoming 'lost'
9032 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009033 mod_abs &= ~(1<<8);
9034 if (!(phy->flags & FLAGS_NOC))
9035 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009036 bnx2x_cl45_write(bp, phy,
9037 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9038
9039
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009040 /* Enable/Disable PHY transmitter output */
9041 bnx2x_set_disable_pmd_transmit(params, phy, 0);
9042
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009043 /* Make MOD_ABS give interrupt on change */
9044 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9045 &val);
9046 val |= (1<<12);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009047 if (phy->flags & FLAGS_NOC)
9048 val |= (3<<5);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009049
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009050 /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009051 * status which reflect SFP+ module over-current
9052 */
9053 if (!(phy->flags & FLAGS_NOC))
9054 val &= 0xff8f; /* Reset bits 4-6 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009055 bnx2x_cl45_write(bp, phy,
9056 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
9057
9058 bnx2x_8727_power_module(bp, phy, 1);
9059
9060 bnx2x_cl45_read(bp, phy,
9061 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
9062
9063 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009064 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009065
9066 /* Set option 1G speed */
9067 if (phy->req_line_speed == SPEED_1000) {
9068 DP(NETIF_MSG_LINK, "Setting 1G force\n");
9069 bnx2x_cl45_write(bp, phy,
9070 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9071 bnx2x_cl45_write(bp, phy,
9072 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9073 bnx2x_cl45_read(bp, phy,
9074 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
9075 DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009076 /* Power down the XAUI until link is up in case of dual-media
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009077 * and 1G
9078 */
9079 if (DUAL_MEDIA(params)) {
9080 bnx2x_cl45_read(bp, phy,
9081 MDIO_PMA_DEVAD,
9082 MDIO_PMA_REG_8727_PCS_GP, &val);
9083 val |= (3<<10);
9084 bnx2x_cl45_write(bp, phy,
9085 MDIO_PMA_DEVAD,
9086 MDIO_PMA_REG_8727_PCS_GP, val);
9087 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009088 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9089 ((phy->speed_cap_mask &
9090 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
9091 ((phy->speed_cap_mask &
9092 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9093 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9094
9095 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9096 bnx2x_cl45_write(bp, phy,
9097 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
9098 bnx2x_cl45_write(bp, phy,
9099 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
9100 } else {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009101 /* Since the 8727 has only single reset pin, need to set the 10G
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009102 * registers although it is default
9103 */
9104 bnx2x_cl45_write(bp, phy,
9105 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
9106 0x0020);
9107 bnx2x_cl45_write(bp, phy,
9108 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
9109 bnx2x_cl45_write(bp, phy,
9110 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
9111 bnx2x_cl45_write(bp, phy,
9112 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
9113 0x0008);
9114 }
9115
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009116 /* Set 2-wire transfer rate of SFP+ module EEPROM
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009117 * to 100Khz since some DACs(direct attached cables) do
9118 * not work at 400Khz.
9119 */
9120 bnx2x_cl45_write(bp, phy,
9121 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
9122 0xa001);
9123
9124 /* Set TX PreEmphasis if needed */
9125 if ((params->feature_config_flags &
9126 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9127 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9128 phy->tx_preemphasis[0],
9129 phy->tx_preemphasis[1]);
9130 bnx2x_cl45_write(bp, phy,
9131 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
9132 phy->tx_preemphasis[0]);
9133
9134 bnx2x_cl45_write(bp, phy,
9135 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
9136 phy->tx_preemphasis[1]);
9137 }
9138
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009139 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00009140 * power mode, if TX Laser is disabled
9141 */
9142 tx_en_mode = REG_RD(bp, params->shmem_base +
9143 offsetof(struct shmem_region,
9144 dev_info.port_hw_config[params->port].sfp_ctrl))
9145 & PORT_HW_CFG_TX_LASER_MASK;
9146
9147 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9148
9149 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
9150 bnx2x_cl45_read(bp, phy,
9151 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
9152 tmp2 |= 0x1000;
9153 tmp2 &= 0xFFEF;
9154 bnx2x_cl45_write(bp, phy,
9155 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
Yaniv Rosner59a2e532012-04-04 01:28:59 +00009156 bnx2x_cl45_read(bp, phy,
9157 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9158 &tmp2);
9159 bnx2x_cl45_write(bp, phy,
9160 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9161 (tmp2 & 0x7fff));
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00009162 }
9163
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009164 return 0;
9165}
9166
9167static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
9168 struct link_params *params)
9169{
9170 struct bnx2x *bp = params->bp;
9171 u16 mod_abs, rx_alarm_status;
9172 u32 val = REG_RD(bp, params->shmem_base +
9173 offsetof(struct shmem_region, dev_info.
9174 port_feature_config[params->port].
9175 config));
9176 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009177 MDIO_PMA_DEVAD,
9178 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009179 if (mod_abs & (1<<8)) {
9180
9181 /* Module is absent */
Joe Perches94f05b02011-08-14 12:16:20 +00009182 DP(NETIF_MSG_LINK,
9183 "MOD_ABS indication show module is absent\n");
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00009184 phy->media_type = ETH_PHY_NOT_PRESENT;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009185 /* 1. Set mod_abs to detect next module
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009186 * presence event
9187 * 2. Set EDC off by setting OPTXLOS signal input to low
9188 * (bit 9).
9189 * When the EDC is off it locks onto a reference clock and
9190 * avoids becoming 'lost'.
9191 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009192 mod_abs &= ~(1<<8);
9193 if (!(phy->flags & FLAGS_NOC))
9194 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009195 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009196 MDIO_PMA_DEVAD,
9197 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009198
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009199 /* Clear RX alarm since it stays up as long as
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009200 * the mod_abs wasn't changed
9201 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009202 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009203 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009204 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009205
9206 } else {
9207 /* Module is present */
Joe Perches94f05b02011-08-14 12:16:20 +00009208 DP(NETIF_MSG_LINK,
9209 "MOD_ABS indication show module is present\n");
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009210 /* First disable transmitter, and if the module is ok, the
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009211 * module_detection will enable it
9212 * 1. Set mod_abs to detect next module absent event ( bit 8)
9213 * 2. Restore the default polarity of the OPRXLOS signal and
9214 * this signal will then correctly indicate the presence or
9215 * absence of the Rx signal. (bit 9)
9216 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009217 mod_abs |= (1<<8);
9218 if (!(phy->flags & FLAGS_NOC))
9219 mod_abs |= (1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009220 bnx2x_cl45_write(bp, phy,
9221 MDIO_PMA_DEVAD,
9222 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9223
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009224 /* Clear RX alarm since it stays up as long as the mod_abs
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009225 * wasn't changed. This is need to be done before calling the
9226 * module detection, otherwise it will clear* the link update
9227 * alarm
9228 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009229 bnx2x_cl45_read(bp, phy,
9230 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009231 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009232
9233
9234 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9235 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00009236 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009237
9238 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
9239 bnx2x_sfp_module_detection(phy, params);
9240 else
9241 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
9242 }
9243
9244 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009245 rx_alarm_status);
9246 /* No need to check link status in case of module plugged in/out */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009247}
9248
9249static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
9250 struct link_params *params,
9251 struct link_vars *vars)
9252
9253{
9254 struct bnx2x *bp = params->bp;
Yaniv Rosner27d02432011-05-31 21:27:48 +00009255 u8 link_up = 0, oc_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009256 u16 link_status = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009257 u16 rx_alarm_status, lasi_ctrl, val1;
9258
9259 /* If PHY is not initialized, do not check link status */
9260 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009261 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009262 &lasi_ctrl);
9263 if (!lasi_ctrl)
9264 return 0;
9265
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00009266 /* Check the LASI on Rx */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009267 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009268 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009269 &rx_alarm_status);
9270 vars->line_speed = 0;
9271 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
9272
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009273 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
9274 MDIO_PMA_LASI_TXCTRL);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00009275
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009276 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009277 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009278
9279 DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
9280
9281 /* Clear MSG-OUT */
9282 bnx2x_cl45_read(bp, phy,
9283 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
9284
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009285 /* If a module is present and there is need to check
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009286 * for over current
9287 */
9288 if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
9289 /* Check over-current using 8727 GPIO0 input*/
9290 bnx2x_cl45_read(bp, phy,
9291 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
9292 &val1);
9293
9294 if ((val1 & (1<<8)) == 0) {
Yaniv Rosner27d02432011-05-31 21:27:48 +00009295 if (!CHIP_IS_E1x(bp))
9296 oc_port = BP_PATH(bp) + (params->port << 1);
Joe Perches94f05b02011-08-14 12:16:20 +00009297 DP(NETIF_MSG_LINK,
9298 "8727 Power fault has been detected on port %d\n",
9299 oc_port);
Yaniv Rosner2f751a82011-11-28 00:49:52 +00009300 netdev_err(bp->dev, "Error: Power fault on Port %d has "
9301 "been detected and the power to "
9302 "that SFP+ module has been removed "
9303 "to prevent failure of the card. "
9304 "Please remove the SFP+ module and "
9305 "restart the system to clear this "
9306 "error.\n",
Yaniv Rosner27d02432011-05-31 21:27:48 +00009307 oc_port);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009308 /* Disable all RX_ALARMs except for mod_abs */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009309 bnx2x_cl45_write(bp, phy,
9310 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009311 MDIO_PMA_LASI_RXCTRL, (1<<5));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009312
9313 bnx2x_cl45_read(bp, phy,
9314 MDIO_PMA_DEVAD,
9315 MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
9316 /* Wait for module_absent_event */
9317 val1 |= (1<<8);
9318 bnx2x_cl45_write(bp, phy,
9319 MDIO_PMA_DEVAD,
9320 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
9321 /* Clear RX alarm */
9322 bnx2x_cl45_read(bp, phy,
9323 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009324 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009325 return 0;
9326 }
9327 } /* Over current check */
9328
9329 /* When module absent bit is set, check module */
9330 if (rx_alarm_status & (1<<5)) {
9331 bnx2x_8727_handle_mod_abs(phy, params);
9332 /* Enable all mod_abs and link detection bits */
9333 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009334 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009335 ((1<<5) | (1<<2)));
9336 }
Yaniv Rosner59a2e532012-04-04 01:28:59 +00009337
9338 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
9339 DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
9340 bnx2x_sfp_set_transmitter(params, phy, 1);
9341 } else {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009342 DP(NETIF_MSG_LINK, "Tx is disabled\n");
9343 return 0;
9344 }
9345
9346 bnx2x_cl45_read(bp, phy,
9347 MDIO_PMA_DEVAD,
9348 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
9349
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009350 /* Bits 0..2 --> speed detected,
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009351 * Bits 13..15--> link is down
9352 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009353 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
9354 link_up = 1;
9355 vars->line_speed = SPEED_10000;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009356 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
9357 params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009358 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
9359 link_up = 1;
9360 vars->line_speed = SPEED_1000;
9361 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
9362 params->port);
9363 } else {
9364 link_up = 0;
9365 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
9366 params->port);
9367 }
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00009368
9369 /* Capture 10G link fault. */
9370 if (vars->line_speed == SPEED_10000) {
9371 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009372 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00009373
9374 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009375 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00009376
9377 if (val1 & (1<<0)) {
9378 vars->fault_detected = 1;
9379 }
9380 }
9381
Yaniv Rosner791f18c2011-01-18 04:33:42 +00009382 if (link_up) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009383 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00009384 vars->duplex = DUPLEX_FULL;
9385 DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
9386 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009387
9388 if ((DUAL_MEDIA(params)) &&
9389 (phy->req_line_speed == SPEED_1000)) {
9390 bnx2x_cl45_read(bp, phy,
9391 MDIO_PMA_DEVAD,
9392 MDIO_PMA_REG_8727_PCS_GP, &val1);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009393 /* In case of dual-media board and 1G, power up the XAUI side,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009394 * otherwise power it down. For 10G it is done automatically
9395 */
9396 if (link_up)
9397 val1 &= ~(3<<10);
9398 else
9399 val1 |= (3<<10);
9400 bnx2x_cl45_write(bp, phy,
9401 MDIO_PMA_DEVAD,
9402 MDIO_PMA_REG_8727_PCS_GP, val1);
9403 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009404 return link_up;
9405}
9406
9407static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
9408 struct link_params *params)
9409{
9410 struct bnx2x *bp = params->bp;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009411
9412 /* Enable/Disable PHY transmitter output */
9413 bnx2x_set_disable_pmd_transmit(params, phy, 1);
9414
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009415 /* Disable Transmitter */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00009416 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009417 /* Clear LASI */
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009418 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009419
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009420}
9421
9422/******************************************************************/
9423/* BCM8481/BCM84823/BCM84833 PHY SECTION */
9424/******************************************************************/
9425static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009426 struct bnx2x *bp,
9427 u8 port)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009428{
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009429 u16 val, fw_ver1, fw_ver2, cnt;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009430
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009431 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9432 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
Yaniv Rosner8267bbb02012-04-04 01:29:00 +00009433 bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009434 phy->ver_addr);
9435 } else {
9436 /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
9437 /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
9438 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
9439 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9440 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
9441 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
9442 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00009443
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009444 for (cnt = 0; cnt < 100; cnt++) {
9445 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9446 if (val & 1)
9447 break;
9448 udelay(5);
9449 }
9450 if (cnt == 100) {
9451 DP(NETIF_MSG_LINK, "Unable to read 848xx "
9452 "phy fw version(1)\n");
9453 bnx2x_save_spirom_version(bp, port, 0,
9454 phy->ver_addr);
9455 return;
9456 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009457
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009458
9459 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
9460 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
9461 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9462 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
9463 for (cnt = 0; cnt < 100; cnt++) {
9464 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9465 if (val & 1)
9466 break;
9467 udelay(5);
9468 }
9469 if (cnt == 100) {
9470 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
9471 "version(2)\n");
9472 bnx2x_save_spirom_version(bp, port, 0,
9473 phy->ver_addr);
9474 return;
9475 }
9476
9477 /* lower 16 bits of the register SPI_FW_STATUS */
9478 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
9479 /* upper 16 bits of register SPI_FW_STATUS */
9480 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
9481
9482 bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009483 phy->ver_addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009484 }
9485
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009486}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009487static void bnx2x_848xx_set_led(struct bnx2x *bp,
9488 struct bnx2x_phy *phy)
9489{
Yaniv Rosner521683d2011-11-28 00:49:48 +00009490 u16 val, offset;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009491
9492 /* PHYC_CTL_LED_CTL */
9493 bnx2x_cl45_read(bp, phy,
9494 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009495 MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009496 val &= 0xFE00;
9497 val |= 0x0092;
9498
9499 bnx2x_cl45_write(bp, phy,
9500 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009501 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009502
9503 bnx2x_cl45_write(bp, phy,
9504 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009505 MDIO_PMA_REG_8481_LED1_MASK,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009506 0x80);
9507
9508 bnx2x_cl45_write(bp, phy,
9509 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009510 MDIO_PMA_REG_8481_LED2_MASK,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009511 0x18);
9512
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00009513 /* Select activity source by Tx and Rx, as suggested by PHY AE */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009514 bnx2x_cl45_write(bp, phy,
9515 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009516 MDIO_PMA_REG_8481_LED3_MASK,
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00009517 0x0006);
9518
9519 /* Select the closest activity blink rate to that in 10/100/1000 */
9520 bnx2x_cl45_write(bp, phy,
9521 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009522 MDIO_PMA_REG_8481_LED3_BLINK,
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00009523 0);
9524
Yaniv Rosner521683d2011-11-28 00:49:48 +00009525 /* Configure the blink rate to ~15.9 Hz */
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00009526 bnx2x_cl45_write(bp, phy,
Yaniv Rosner521683d2011-11-28 00:49:48 +00009527 MDIO_PMA_DEVAD,
9528 MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
9529 MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
9530
9531 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
9532 offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
9533 else
9534 offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
9535
9536 bnx2x_cl45_read(bp, phy,
9537 MDIO_PMA_DEVAD, offset, &val);
9538 val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
9539 bnx2x_cl45_write(bp, phy,
9540 MDIO_PMA_DEVAD, offset, val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009541
9542 /* 'Interrupt Mask' */
9543 bnx2x_cl45_write(bp, phy,
9544 MDIO_AN_DEVAD,
9545 0xFFFB, 0xFFFD);
9546}
9547
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009548static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
9549 struct link_params *params,
9550 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009551{
9552 struct bnx2x *bp = params->bp;
Yaniv Rosner521683d2011-11-28 00:49:48 +00009553 u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009554
Mintz Yuval817a8aa2012-02-15 02:10:26 +00009555 if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
Yaniv Rosner11b2ec62012-01-17 02:33:25 +00009556 /* Save spirom version */
9557 bnx2x_save_848xx_spirom_version(phy, bp, params->port);
9558 }
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009559 /* This phy uses the NIG latch mechanism since link indication
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009560 * arrives through its LED4 and not via its LASI signal, so we
9561 * get steady signal instead of clear on read
9562 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009563 bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
9564 1 << NIG_LATCH_BC_ENABLE_MI_INT);
9565
9566 bnx2x_cl45_write(bp, phy,
9567 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
9568
9569 bnx2x_848xx_set_led(bp, phy);
9570
9571 /* set 1000 speed advertisement */
9572 bnx2x_cl45_read(bp, phy,
9573 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9574 &an_1000_val);
9575
9576 bnx2x_ext_phy_set_pause(params, phy, vars);
9577 bnx2x_cl45_read(bp, phy,
9578 MDIO_AN_DEVAD,
9579 MDIO_AN_REG_8481_LEGACY_AN_ADV,
9580 &an_10_100_val);
9581 bnx2x_cl45_read(bp, phy,
9582 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9583 &autoneg_val);
9584 /* Disable forced speed */
9585 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9586 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
9587
9588 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9589 (phy->speed_cap_mask &
9590 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9591 (phy->req_line_speed == SPEED_1000)) {
9592 an_1000_val |= (1<<8);
9593 autoneg_val |= (1<<9 | 1<<12);
9594 if (phy->req_duplex == DUPLEX_FULL)
9595 an_1000_val |= (1<<9);
9596 DP(NETIF_MSG_LINK, "Advertising 1G\n");
9597 } else
9598 an_1000_val &= ~((1<<8) | (1<<9));
9599
9600 bnx2x_cl45_write(bp, phy,
9601 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9602 an_1000_val);
9603
Yaniv Rosner0520e632011-07-05 01:06:59 +00009604 /* set 100 speed advertisement */
Yaniv Rosner75318322012-01-17 02:33:27 +00009605 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009606 (phy->speed_cap_mask &
Yaniv Rosner0520e632011-07-05 01:06:59 +00009607 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
Yaniv Rosner75318322012-01-17 02:33:27 +00009608 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009609 an_10_100_val |= (1<<7);
9610 /* Enable autoneg and restart autoneg for legacy speeds */
9611 autoneg_val |= (1<<9 | 1<<12);
9612
9613 if (phy->req_duplex == DUPLEX_FULL)
9614 an_10_100_val |= (1<<8);
9615 DP(NETIF_MSG_LINK, "Advertising 100M\n");
9616 }
9617 /* set 10 speed advertisement */
9618 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
Yaniv Rosner0520e632011-07-05 01:06:59 +00009619 (phy->speed_cap_mask &
9620 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
9621 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
9622 (phy->supported &
9623 (SUPPORTED_10baseT_Half |
9624 SUPPORTED_10baseT_Full)))) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009625 an_10_100_val |= (1<<5);
9626 autoneg_val |= (1<<9 | 1<<12);
9627 if (phy->req_duplex == DUPLEX_FULL)
9628 an_10_100_val |= (1<<6);
9629 DP(NETIF_MSG_LINK, "Advertising 10M\n");
9630 }
9631
9632 /* Only 10/100 are allowed to work in FORCE mode */
Yaniv Rosner0520e632011-07-05 01:06:59 +00009633 if ((phy->req_line_speed == SPEED_100) &&
9634 (phy->supported &
9635 (SUPPORTED_100baseT_Half |
9636 SUPPORTED_100baseT_Full))) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009637 autoneg_val |= (1<<13);
9638 /* Enabled AUTO-MDIX when autoneg is disabled */
9639 bnx2x_cl45_write(bp, phy,
9640 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9641 (1<<15 | 1<<9 | 7<<0));
Yaniv Rosner521683d2011-11-28 00:49:48 +00009642 /* The PHY needs this set even for forced link. */
9643 an_10_100_val |= (1<<8) | (1<<7);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009644 DP(NETIF_MSG_LINK, "Setting 100M force\n");
9645 }
Yaniv Rosner0520e632011-07-05 01:06:59 +00009646 if ((phy->req_line_speed == SPEED_10) &&
9647 (phy->supported &
9648 (SUPPORTED_10baseT_Half |
9649 SUPPORTED_10baseT_Full))) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009650 /* Enabled AUTO-MDIX when autoneg is disabled */
9651 bnx2x_cl45_write(bp, phy,
9652 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9653 (1<<15 | 1<<9 | 7<<0));
9654 DP(NETIF_MSG_LINK, "Setting 10M force\n");
9655 }
9656
9657 bnx2x_cl45_write(bp, phy,
9658 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
9659 an_10_100_val);
9660
9661 if (phy->req_duplex == DUPLEX_FULL)
9662 autoneg_val |= (1<<8);
9663
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +00009664 /* Always write this if this is not 84833.
Yaniv Rosnerfd38f73e2011-08-02 22:59:53 +00009665 * For 84833, write it only when it's a forced speed.
9666 */
9667 if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9668 ((autoneg_val & (1<<12)) == 0))
9669 bnx2x_cl45_write(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009670 MDIO_AN_DEVAD,
9671 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
9672
9673 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9674 (phy->speed_cap_mask &
9675 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
9676 (phy->req_line_speed == SPEED_10000)) {
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00009677 DP(NETIF_MSG_LINK, "Advertising 10G\n");
9678 /* Restart autoneg for 10G*/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009679
Yaniv Rosner521683d2011-11-28 00:49:48 +00009680 bnx2x_cl45_read(bp, phy,
9681 MDIO_AN_DEVAD,
9682 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9683 &an_10g_val);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00009684 bnx2x_cl45_write(bp, phy,
Yaniv Rosner521683d2011-11-28 00:49:48 +00009685 MDIO_AN_DEVAD,
9686 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9687 an_10g_val | 0x1000);
9688 bnx2x_cl45_write(bp, phy,
9689 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
9690 0x3200);
Yaniv Rosnerfd38f73e2011-08-02 22:59:53 +00009691 } else
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009692 bnx2x_cl45_write(bp, phy,
9693 MDIO_AN_DEVAD,
9694 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9695 1);
Yaniv Rosnerfd38f73e2011-08-02 22:59:53 +00009696
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009697 return 0;
9698}
9699
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009700static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
9701 struct link_params *params,
9702 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009703{
9704 struct bnx2x *bp = params->bp;
9705 /* Restore normal power mode*/
9706 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009707 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009708
9709 /* HW reset */
9710 bnx2x_ext_phy_hw_reset(bp, params->port);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00009711 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009712
9713 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9714 return bnx2x_848xx_cmn_config_init(phy, params, vars);
9715}
9716
Yaniv Rosner521683d2011-11-28 00:49:48 +00009717#define PHY84833_CMDHDLR_WAIT 300
9718#define PHY84833_CMDHDLR_MAX_ARGS 5
9719static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
9720 struct link_params *params,
9721 u16 fw_cmd,
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009722 u16 cmd_args[], int argc)
Yaniv Rosner521683d2011-11-28 00:49:48 +00009723{
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009724 int idx;
Yaniv Rosner521683d2011-11-28 00:49:48 +00009725 u16 val;
9726 struct bnx2x *bp = params->bp;
9727 /* Write CMD_OPEN_OVERRIDE to STATUS reg */
9728 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9729 MDIO_84833_CMD_HDLR_STATUS,
9730 PHY84833_STATUS_CMD_OPEN_OVERRIDE);
9731 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9732 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9733 MDIO_84833_CMD_HDLR_STATUS, &val);
9734 if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
9735 break;
9736 msleep(1);
9737 }
9738 if (idx >= PHY84833_CMDHDLR_WAIT) {
9739 DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
9740 return -EINVAL;
9741 }
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009742
Yaniv Rosner521683d2011-11-28 00:49:48 +00009743 /* Prepare argument(s) and issue command */
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009744 for (idx = 0; idx < argc; idx++) {
Yaniv Rosner521683d2011-11-28 00:49:48 +00009745 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9746 MDIO_84833_CMD_HDLR_DATA1 + idx,
9747 cmd_args[idx]);
9748 }
9749 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9750 MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
9751 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9752 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9753 MDIO_84833_CMD_HDLR_STATUS, &val);
9754 if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
9755 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
9756 break;
9757 msleep(1);
9758 }
9759 if ((idx >= PHY84833_CMDHDLR_WAIT) ||
9760 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
9761 DP(NETIF_MSG_LINK, "FW cmd failed.\n");
9762 return -EINVAL;
9763 }
9764 /* Gather returning data */
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009765 for (idx = 0; idx < argc; idx++) {
Yaniv Rosner521683d2011-11-28 00:49:48 +00009766 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9767 MDIO_84833_CMD_HDLR_DATA1 + idx,
9768 &cmd_args[idx]);
9769 }
9770 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9771 MDIO_84833_CMD_HDLR_STATUS,
9772 PHY84833_STATUS_CMD_CLEAR_COMPLETE);
9773 return 0;
9774}
9775
9776
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009777static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
9778 struct link_params *params,
9779 struct link_vars *vars)
9780{
Yaniv Rosner0520e632011-07-05 01:06:59 +00009781 u32 pair_swap;
Yaniv Rosner521683d2011-11-28 00:49:48 +00009782 u16 data[PHY84833_CMDHDLR_MAX_ARGS];
9783 int status;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009784 struct bnx2x *bp = params->bp;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009785
Yaniv Rosner0520e632011-07-05 01:06:59 +00009786 /* Check for configuration. */
9787 pair_swap = REG_RD(bp, params->shmem_base +
9788 offsetof(struct shmem_region,
9789 dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
9790 PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
9791
9792 if (pair_swap == 0)
9793 return 0;
9794
Yaniv Rosner521683d2011-11-28 00:49:48 +00009795 /* Only the second argument is used for this command */
9796 data[1] = (u16)pair_swap;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009797
Yaniv Rosner521683d2011-11-28 00:49:48 +00009798 status = bnx2x_84833_cmd_hdlr(phy, params,
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009799 PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
Yaniv Rosner521683d2011-11-28 00:49:48 +00009800 if (status == 0)
9801 DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009802
Yaniv Rosner521683d2011-11-28 00:49:48 +00009803 return status;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009804}
9805
Yaniv Rosner985848f2011-07-05 01:06:48 +00009806static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
9807 u32 shmem_base_path[],
9808 u32 chip_id)
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009809{
9810 u32 reset_pin[2];
9811 u32 idx;
9812 u8 reset_gpios;
9813 if (CHIP_IS_E3(bp)) {
9814 /* Assume that these will be GPIOs, not EPIOs. */
9815 for (idx = 0; idx < 2; idx++) {
9816 /* Map config param to register bit. */
9817 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9818 offsetof(struct shmem_region,
9819 dev_info.port_hw_config[0].e3_cmn_pin_cfg));
9820 reset_pin[idx] = (reset_pin[idx] &
9821 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
9822 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
9823 reset_pin[idx] -= PIN_CFG_GPIO0_P0;
9824 reset_pin[idx] = (1 << reset_pin[idx]);
9825 }
9826 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9827 } else {
9828 /* E2, look from diff place of shmem. */
9829 for (idx = 0; idx < 2; idx++) {
9830 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9831 offsetof(struct shmem_region,
9832 dev_info.port_hw_config[0].default_cfg));
9833 reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
9834 reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
9835 reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
9836 reset_pin[idx] = (1 << reset_pin[idx]);
9837 }
9838 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9839 }
9840
Yaniv Rosner985848f2011-07-05 01:06:48 +00009841 return reset_gpios;
9842}
9843
9844static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
9845 struct link_params *params)
9846{
9847 struct bnx2x *bp = params->bp;
9848 u8 reset_gpios;
9849 u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
9850 offsetof(struct shmem2_region,
9851 other_shmem_base_addr));
9852
9853 u32 shmem_base_path[2];
Yaniv Rosner99bf7f32012-04-04 01:29:01 +00009854
9855 /* Work around for 84833 LED failure inside RESET status */
9856 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
9857 MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9858 MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
9859 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
9860 MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
9861 MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
9862
Yaniv Rosner985848f2011-07-05 01:06:48 +00009863 shmem_base_path[0] = params->shmem_base;
9864 shmem_base_path[1] = other_shmem_base_addr;
9865
9866 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
9867 params->chip_id);
9868
9869 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
9870 udelay(10);
9871 DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
9872 reset_gpios);
9873
9874 return 0;
9875}
9876
Yuval Mintzc8c60d82012-06-06 17:13:07 +00009877static int bnx2x_8483x_eee_timers(struct link_params *params,
9878 struct link_vars *vars)
9879{
9880 u32 eee_idle = 0, eee_mode;
9881 struct bnx2x *bp = params->bp;
9882
9883 eee_idle = bnx2x_eee_calc_timer(params);
9884
9885 if (eee_idle) {
9886 REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
9887 eee_idle);
9888 } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
9889 (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
9890 (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
9891 DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
9892 return -EINVAL;
9893 }
9894
9895 vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
9896 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
9897 /* eee_idle in 1u --> eee_status in 16u */
9898 eee_idle >>= 4;
9899 vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
9900 SHMEM_EEE_TIME_OUTPUT_BIT;
9901 } else {
9902 if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
9903 return -EINVAL;
9904 vars->eee_status |= eee_mode;
9905 }
9906
9907 return 0;
9908}
9909
9910static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
9911 struct link_params *params,
9912 struct link_vars *vars)
9913{
9914 int rc;
9915 struct bnx2x *bp = params->bp;
9916 u16 cmd_args = 0;
9917
9918 DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
9919
9920 /* Make Certain LPI is disabled */
9921 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
9922 REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 0);
9923
9924 /* Prevent Phy from working in EEE and advertising it */
9925 rc = bnx2x_84833_cmd_hdlr(phy, params,
9926 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
9927 if (rc != 0) {
9928 DP(NETIF_MSG_LINK, "EEE disable failed.\n");
9929 return rc;
9930 }
9931
9932 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0);
9933 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
9934
9935 return 0;
9936}
9937
9938static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
9939 struct link_params *params,
9940 struct link_vars *vars)
9941{
9942 int rc;
9943 struct bnx2x *bp = params->bp;
9944 u16 cmd_args = 1;
9945
9946 DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
9947
9948 rc = bnx2x_84833_cmd_hdlr(phy, params,
9949 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
9950 if (rc != 0) {
9951 DP(NETIF_MSG_LINK, "EEE enable failed.\n");
9952 return rc;
9953 }
9954
9955 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x8);
9956
9957 /* Mask events preventing LPI generation */
9958 REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
9959
9960 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
9961 vars->eee_status |= (SHMEM_EEE_10G_ADV << SHMEM_EEE_ADV_STATUS_SHIFT);
9962
9963 return 0;
9964}
9965
Yaniv Rosnera89a1d42011-07-05 01:07:05 +00009966#define PHY84833_CONSTANT_LATENCY 1193
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009967static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
9968 struct link_params *params,
9969 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009970{
9971 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00009972 u8 port, initialize = 1;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009973 u16 val;
Yaniv Rosner521683d2011-11-28 00:49:48 +00009974 u32 actual_phy_selection, cms_enable;
9975 u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009976 int rc = 0;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009977
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009978 msleep(1);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009979
9980 if (!(CHIP_IS_E1(bp)))
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00009981 port = BP_PATH(bp);
9982 else
9983 port = params->port;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009984
9985 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
9986 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
9987 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
9988 port);
9989 } else {
Yaniv Rosner985848f2011-07-05 01:06:48 +00009990 /* MDIO reset */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009991 bnx2x_cl45_write(bp, phy,
9992 MDIO_PMA_DEVAD,
9993 MDIO_PMA_REG_CTRL, 0x8000);
Yaniv Rosner521683d2011-11-28 00:49:48 +00009994 }
9995
9996 bnx2x_wait_reset_complete(bp, phy, params);
9997
9998 /* Wait for GPHY to come out of reset */
9999 msleep(50);
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010000 if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010001 /* BCM84823 requires that XGXS links up first @ 10G for normal
Yaniv Rosner521683d2011-11-28 00:49:48 +000010002 * behavior.
10003 */
10004 u16 temp;
10005 temp = vars->line_speed;
10006 vars->line_speed = SPEED_10000;
10007 bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
10008 bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
10009 vars->line_speed = temp;
10010 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010011
10012 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010013 MDIO_CTL_REG_84823_MEDIA, &val);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010014 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10015 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
10016 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
10017 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
10018 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010019
10020 if (CHIP_IS_E3(bp)) {
10021 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10022 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
10023 } else {
10024 val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
10025 MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
10026 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010027
10028 actual_phy_selection = bnx2x_phy_selection(params);
10029
10030 switch (actual_phy_selection) {
10031 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
Lucas De Marchi25985ed2011-03-30 22:57:33 -030010032 /* Do nothing. Essentially this is like the priority copper */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010033 break;
10034 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
10035 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
10036 break;
10037 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
10038 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
10039 break;
10040 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
10041 /* Do nothing here. The first PHY won't be initialized at all */
10042 break;
10043 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
10044 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
10045 initialize = 0;
10046 break;
10047 }
10048 if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
10049 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
10050
10051 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010052 MDIO_CTL_REG_84823_MEDIA, val);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010053 DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
10054 params->multi_phy_config, val);
10055
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010056 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
10057 bnx2x_84833_pair_swap_cfg(phy, params, vars);
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010058
Yaniv Rosner096b9522012-01-17 02:33:28 +000010059 /* Keep AutogrEEEn disabled. */
10060 cmd_args[0] = 0x0;
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010061 cmd_args[1] = 0x0;
10062 cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
10063 cmd_args[3] = PHY84833_CONSTANT_LATENCY;
10064 rc = bnx2x_84833_cmd_hdlr(phy, params,
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010065 PHY84833_CMD_SET_EEE_MODE, cmd_args,
10066 PHY84833_CMDHDLR_MAX_ARGS);
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010067 if (rc != 0)
10068 DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
10069 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010070 if (initialize)
10071 rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
10072 else
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010073 bnx2x_save_848xx_spirom_version(phy, bp, params->port);
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010074 /* 84833 PHY has a better feature and doesn't need to support this. */
10075 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10076 cms_enable = REG_RD(bp, params->shmem_base +
Yaniv Rosner1bef68e2011-01-31 04:22:46 +000010077 offsetof(struct shmem_region,
10078 dev_info.port_hw_config[params->port].default_cfg)) &
10079 PORT_HW_CFG_ENABLE_CMS_MASK;
10080
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010081 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10082 MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
10083 if (cms_enable)
10084 val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
10085 else
10086 val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
10087 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10088 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
10089 }
Yaniv Rosner1bef68e2011-01-31 04:22:46 +000010090
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010091 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10092 MDIO_84833_TOP_CFG_FW_REV, &val);
10093
10094 /* Configure EEE support */
10095 if ((val >= MDIO_84833_TOP_CFG_FW_EEE) && bnx2x_eee_has_cap(params)) {
10096 phy->flags |= FLAGS_EEE_10GBT;
10097 vars->eee_status |= SHMEM_EEE_10G_ADV <<
10098 SHMEM_EEE_SUPPORTED_SHIFT;
10099 /* Propogate params' bits --> vars (for migration exposure) */
10100 if (params->eee_mode & EEE_MODE_ENABLE_LPI)
10101 vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
10102 else
10103 vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
10104
10105 if (params->eee_mode & EEE_MODE_ADV_LPI)
10106 vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
10107 else
10108 vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
10109
10110 rc = bnx2x_8483x_eee_timers(params, vars);
10111 if (rc != 0) {
10112 DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10113 bnx2x_8483x_disable_eee(phy, params, vars);
10114 return rc;
10115 }
10116
10117 if ((params->req_duplex[actual_phy_selection] == DUPLEX_FULL) &&
10118 (params->eee_mode & EEE_MODE_ADV_LPI) &&
10119 (bnx2x_eee_calc_timer(params) ||
10120 !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
10121 rc = bnx2x_8483x_enable_eee(phy, params, vars);
10122 else
10123 rc = bnx2x_8483x_disable_eee(phy, params, vars);
10124 if (rc != 0) {
10125 DP(NETIF_MSG_LINK, "Failed to set EEE advertisment\n");
10126 return rc;
10127 }
10128 } else {
10129 phy->flags &= ~FLAGS_EEE_10GBT;
10130 vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
10131 }
10132
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010133 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
10134 /* Bring PHY out of super isolate mode as the final step. */
10135 bnx2x_cl45_read(bp, phy,
10136 MDIO_CTL_DEVAD,
10137 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
10138 val &= ~MDIO_84833_SUPER_ISOLATE;
10139 bnx2x_cl45_write(bp, phy,
10140 MDIO_CTL_DEVAD,
10141 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
10142 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010143 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010144}
10145
10146static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010147 struct link_params *params,
10148 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010149{
10150 struct bnx2x *bp = params->bp;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010151 u16 val, val1, val2;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010152 u8 link_up = 0;
10153
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000010154
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010155 /* Check 10G-BaseT link status */
10156 /* Check PMD signal ok */
10157 bnx2x_cl45_read(bp, phy,
10158 MDIO_AN_DEVAD, 0xFFFA, &val1);
10159 bnx2x_cl45_read(bp, phy,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010160 MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010161 &val2);
10162 DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
10163
10164 /* Check link 10G */
10165 if (val2 & (1<<11)) {
10166 vars->line_speed = SPEED_10000;
Yaniv Rosner791f18c2011-01-18 04:33:42 +000010167 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010168 link_up = 1;
10169 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
10170 } else { /* Check Legacy speed link */
10171 u16 legacy_status, legacy_speed;
10172
10173 /* Enable expansion register 0x42 (Operation mode status) */
10174 bnx2x_cl45_write(bp, phy,
10175 MDIO_AN_DEVAD,
10176 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
10177
10178 /* Get legacy speed operation status */
10179 bnx2x_cl45_read(bp, phy,
10180 MDIO_AN_DEVAD,
10181 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
10182 &legacy_status);
10183
Joe Perches94f05b02011-08-14 12:16:20 +000010184 DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
10185 legacy_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010186 link_up = ((legacy_status & (1<<11)) == (1<<11));
10187 if (link_up) {
10188 legacy_speed = (legacy_status & (3<<9));
10189 if (legacy_speed == (0<<9))
10190 vars->line_speed = SPEED_10;
10191 else if (legacy_speed == (1<<9))
10192 vars->line_speed = SPEED_100;
10193 else if (legacy_speed == (2<<9))
10194 vars->line_speed = SPEED_1000;
10195 else /* Should not happen */
10196 vars->line_speed = 0;
10197
10198 if (legacy_status & (1<<8))
10199 vars->duplex = DUPLEX_FULL;
10200 else
10201 vars->duplex = DUPLEX_HALF;
10202
Joe Perches94f05b02011-08-14 12:16:20 +000010203 DP(NETIF_MSG_LINK,
10204 "Link is up in %dMbps, is_duplex_full= %d\n",
10205 vars->line_speed,
10206 (vars->duplex == DUPLEX_FULL));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010207 /* Check legacy speed AN resolution */
10208 bnx2x_cl45_read(bp, phy,
10209 MDIO_AN_DEVAD,
10210 MDIO_AN_REG_8481_LEGACY_MII_STATUS,
10211 &val);
10212 if (val & (1<<5))
10213 vars->link_status |=
10214 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10215 bnx2x_cl45_read(bp, phy,
10216 MDIO_AN_DEVAD,
10217 MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
10218 &val);
10219 if ((val & (1<<0)) == 0)
10220 vars->link_status |=
10221 LINK_STATUS_PARALLEL_DETECTION_USED;
10222 }
10223 }
10224 if (link_up) {
10225 DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
10226 vars->line_speed);
10227 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Mintz Yuval9e7e8392012-02-15 02:10:24 +000010228
10229 /* Read LP advertised speeds */
10230 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10231 MDIO_AN_REG_CL37_FC_LP, &val);
10232 if (val & (1<<5))
10233 vars->link_status |=
10234 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10235 if (val & (1<<6))
10236 vars->link_status |=
10237 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10238 if (val & (1<<7))
10239 vars->link_status |=
10240 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10241 if (val & (1<<8))
10242 vars->link_status |=
10243 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10244 if (val & (1<<9))
10245 vars->link_status |=
10246 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10247
10248 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10249 MDIO_AN_REG_1000T_STATUS, &val);
10250
10251 if (val & (1<<10))
10252 vars->link_status |=
10253 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10254 if (val & (1<<11))
10255 vars->link_status |=
10256 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10257
10258 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10259 MDIO_AN_REG_MASTER_STATUS, &val);
10260
10261 if (val & (1<<11))
10262 vars->link_status |=
10263 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010264
10265 /* Determine if EEE was negotiated */
10266 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
10267 u32 eee_shmem = 0;
10268
10269 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10270 MDIO_AN_REG_EEE_ADV, &val1);
10271 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10272 MDIO_AN_REG_LP_EEE_ADV, &val2);
10273 if ((val1 & val2) & 0x8) {
10274 DP(NETIF_MSG_LINK, "EEE negotiated\n");
10275 vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
10276 }
10277
10278 if (val2 & 0x12)
10279 eee_shmem |= SHMEM_EEE_100M_ADV;
10280 if (val2 & 0x4)
10281 eee_shmem |= SHMEM_EEE_1G_ADV;
10282 if (val2 & 0x68)
10283 eee_shmem |= SHMEM_EEE_10G_ADV;
10284
10285 vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
10286 vars->eee_status |= (eee_shmem <<
10287 SHMEM_EEE_LP_ADV_STATUS_SHIFT);
10288 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010289 }
10290
10291 return link_up;
10292}
10293
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010294
10295static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010296{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010297 int status = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010298 u32 spirom_ver;
10299 spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
10300 status = bnx2x_format_ver(spirom_ver, str, len);
10301 return status;
10302}
10303
10304static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
10305 struct link_params *params)
10306{
10307 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010308 MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010309 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010310 MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010311}
10312
10313static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
10314 struct link_params *params)
10315{
10316 bnx2x_cl45_write(params->bp, phy,
10317 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
10318 bnx2x_cl45_write(params->bp, phy,
10319 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
10320}
10321
10322static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
10323 struct link_params *params)
10324{
10325 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +000010326 u8 port;
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010327 u16 val16;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010328
Yaniv Rosnerf93fb012012-04-04 01:29:02 +000010329 if (!(CHIP_IS_E1x(bp)))
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +000010330 port = BP_PATH(bp);
10331 else
10332 port = params->port;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010333
10334 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10335 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10336 MISC_REGISTERS_GPIO_OUTPUT_LOW,
10337 port);
10338 } else {
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010339 bnx2x_cl45_read(bp, phy,
10340 MDIO_CTL_DEVAD,
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010341 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
10342 val16 |= MDIO_84833_SUPER_ISOLATE;
Yaniv Rosnerfd38f73e2011-08-02 22:59:53 +000010343 bnx2x_cl45_write(bp, phy,
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000010344 MDIO_CTL_DEVAD,
10345 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010346 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010347}
10348
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010349static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
10350 struct link_params *params, u8 mode)
10351{
10352 struct bnx2x *bp = params->bp;
10353 u16 val;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010354 u8 port;
10355
Yaniv Rosnerf93fb012012-04-04 01:29:02 +000010356 if (!(CHIP_IS_E1x(bp)))
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010357 port = BP_PATH(bp);
10358 else
10359 port = params->port;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010360
10361 switch (mode) {
10362 case LED_MODE_OFF:
10363
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010364 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010365
10366 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10367 SHARED_HW_CFG_LED_EXTPHY1) {
10368
10369 /* Set LED masks */
10370 bnx2x_cl45_write(bp, phy,
10371 MDIO_PMA_DEVAD,
10372 MDIO_PMA_REG_8481_LED1_MASK,
10373 0x0);
10374
10375 bnx2x_cl45_write(bp, phy,
10376 MDIO_PMA_DEVAD,
10377 MDIO_PMA_REG_8481_LED2_MASK,
10378 0x0);
10379
10380 bnx2x_cl45_write(bp, phy,
10381 MDIO_PMA_DEVAD,
10382 MDIO_PMA_REG_8481_LED3_MASK,
10383 0x0);
10384
10385 bnx2x_cl45_write(bp, phy,
10386 MDIO_PMA_DEVAD,
10387 MDIO_PMA_REG_8481_LED5_MASK,
10388 0x0);
10389
10390 } else {
10391 bnx2x_cl45_write(bp, phy,
10392 MDIO_PMA_DEVAD,
10393 MDIO_PMA_REG_8481_LED1_MASK,
10394 0x0);
10395 }
10396 break;
10397 case LED_MODE_FRONT_PANEL_OFF:
10398
10399 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010400 port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010401
10402 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10403 SHARED_HW_CFG_LED_EXTPHY1) {
10404
10405 /* Set LED masks */
10406 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010407 MDIO_PMA_DEVAD,
10408 MDIO_PMA_REG_8481_LED1_MASK,
10409 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010410
10411 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010412 MDIO_PMA_DEVAD,
10413 MDIO_PMA_REG_8481_LED2_MASK,
10414 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010415
10416 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010417 MDIO_PMA_DEVAD,
10418 MDIO_PMA_REG_8481_LED3_MASK,
10419 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010420
10421 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010422 MDIO_PMA_DEVAD,
10423 MDIO_PMA_REG_8481_LED5_MASK,
10424 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010425
10426 } else {
10427 bnx2x_cl45_write(bp, phy,
10428 MDIO_PMA_DEVAD,
10429 MDIO_PMA_REG_8481_LED1_MASK,
10430 0x0);
10431 }
10432 break;
10433 case LED_MODE_ON:
10434
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010435 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010436
10437 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10438 SHARED_HW_CFG_LED_EXTPHY1) {
10439 /* Set control reg */
10440 bnx2x_cl45_read(bp, phy,
10441 MDIO_PMA_DEVAD,
10442 MDIO_PMA_REG_8481_LINK_SIGNAL,
10443 &val);
10444 val &= 0x8000;
10445 val |= 0x2492;
10446
10447 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010448 MDIO_PMA_DEVAD,
10449 MDIO_PMA_REG_8481_LINK_SIGNAL,
10450 val);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010451
10452 /* Set LED masks */
10453 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010454 MDIO_PMA_DEVAD,
10455 MDIO_PMA_REG_8481_LED1_MASK,
10456 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010457
10458 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010459 MDIO_PMA_DEVAD,
10460 MDIO_PMA_REG_8481_LED2_MASK,
10461 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010462
10463 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010464 MDIO_PMA_DEVAD,
10465 MDIO_PMA_REG_8481_LED3_MASK,
10466 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010467
10468 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010469 MDIO_PMA_DEVAD,
10470 MDIO_PMA_REG_8481_LED5_MASK,
10471 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010472 } else {
10473 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010474 MDIO_PMA_DEVAD,
10475 MDIO_PMA_REG_8481_LED1_MASK,
10476 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010477 }
10478 break;
10479
10480 case LED_MODE_OPER:
10481
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +000010482 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010483
10484 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10485 SHARED_HW_CFG_LED_EXTPHY1) {
10486
10487 /* Set control reg */
10488 bnx2x_cl45_read(bp, phy,
10489 MDIO_PMA_DEVAD,
10490 MDIO_PMA_REG_8481_LINK_SIGNAL,
10491 &val);
10492
10493 if (!((val &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010494 MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
10495 >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000010496 DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010497 bnx2x_cl45_write(bp, phy,
10498 MDIO_PMA_DEVAD,
10499 MDIO_PMA_REG_8481_LINK_SIGNAL,
10500 0xa492);
10501 }
10502
10503 /* Set LED masks */
10504 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010505 MDIO_PMA_DEVAD,
10506 MDIO_PMA_REG_8481_LED1_MASK,
10507 0x10);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010508
10509 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010510 MDIO_PMA_DEVAD,
10511 MDIO_PMA_REG_8481_LED2_MASK,
10512 0x80);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010513
10514 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010515 MDIO_PMA_DEVAD,
10516 MDIO_PMA_REG_8481_LED3_MASK,
10517 0x98);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010518
10519 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010520 MDIO_PMA_DEVAD,
10521 MDIO_PMA_REG_8481_LED5_MASK,
10522 0x40);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010523
10524 } else {
10525 bnx2x_cl45_write(bp, phy,
10526 MDIO_PMA_DEVAD,
10527 MDIO_PMA_REG_8481_LED1_MASK,
10528 0x80);
Yaniv Rosner53eda062011-01-30 04:14:55 +000010529
10530 /* Tell LED3 to blink on source */
10531 bnx2x_cl45_read(bp, phy,
10532 MDIO_PMA_DEVAD,
10533 MDIO_PMA_REG_8481_LINK_SIGNAL,
10534 &val);
10535 val &= ~(7<<6);
10536 val |= (1<<6); /* A83B[8:6]= 1 */
10537 bnx2x_cl45_write(bp, phy,
10538 MDIO_PMA_DEVAD,
10539 MDIO_PMA_REG_8481_LINK_SIGNAL,
10540 val);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010541 }
10542 break;
10543 }
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010544
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010545 /* This is a workaround for E3+84833 until autoneg
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010546 * restart is fixed in f/w
10547 */
10548 if (CHIP_IS_E3(bp)) {
10549 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
10550 MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
10551 }
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010552}
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000010553
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010554/******************************************************************/
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010555/* 54618SE PHY SECTION */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010556/******************************************************************/
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010557static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
Yaniv Rosner6583e332011-06-14 01:34:17 +000010558 struct link_params *params,
10559 struct link_vars *vars)
10560{
10561 struct bnx2x *bp = params->bp;
10562 u8 port;
10563 u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
10564 u32 cfg_pin;
10565
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010566 DP(NETIF_MSG_LINK, "54618SE cfg init\n");
Yaniv Rosner6583e332011-06-14 01:34:17 +000010567 usleep_range(1000, 1000);
10568
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010569 /* This works with E3 only, no need to check the chip
Yaniv Rosner2f751a82011-11-28 00:49:52 +000010570 * before determining the port.
10571 */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010572 port = params->port;
10573
10574 cfg_pin = (REG_RD(bp, params->shmem_base +
10575 offsetof(struct shmem_region,
10576 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10577 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10578 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10579
10580 /* Drive pin high to bring the GPHY out of reset. */
10581 bnx2x_set_cfg_pin(bp, cfg_pin, 1);
10582
10583 /* wait for GPHY to reset */
10584 msleep(50);
10585
10586 /* reset phy */
10587 bnx2x_cl22_write(bp, phy,
10588 MDIO_PMA_REG_CTRL, 0x8000);
10589 bnx2x_wait_reset_complete(bp, phy, params);
10590
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010591 /* Wait for GPHY to reset */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010592 msleep(50);
10593
10594 /* Configure LED4: set to INTR (0x6). */
10595 /* Accessing shadow register 0xe. */
10596 bnx2x_cl22_write(bp, phy,
10597 MDIO_REG_GPHY_SHADOW,
10598 MDIO_REG_GPHY_SHADOW_LED_SEL2);
10599 bnx2x_cl22_read(bp, phy,
10600 MDIO_REG_GPHY_SHADOW,
10601 &temp);
10602 temp &= ~(0xf << 4);
10603 temp |= (0x6 << 4);
10604 bnx2x_cl22_write(bp, phy,
10605 MDIO_REG_GPHY_SHADOW,
10606 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10607 /* Configure INTR based on link status change. */
10608 bnx2x_cl22_write(bp, phy,
10609 MDIO_REG_INTR_MASK,
10610 ~MDIO_REG_INTR_MASK_LINK_STATUS);
10611
10612 /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
10613 bnx2x_cl22_write(bp, phy,
10614 MDIO_REG_GPHY_SHADOW,
10615 MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
10616 bnx2x_cl22_read(bp, phy,
10617 MDIO_REG_GPHY_SHADOW,
10618 &temp);
10619 temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
10620 bnx2x_cl22_write(bp, phy,
10621 MDIO_REG_GPHY_SHADOW,
10622 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10623
10624 /* Set up fc */
10625 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
10626 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
10627 fc_val = 0;
10628 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
10629 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
10630 fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
10631
10632 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
10633 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
10634 fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
10635
10636 /* read all advertisement */
10637 bnx2x_cl22_read(bp, phy,
10638 0x09,
10639 &an_1000_val);
10640
10641 bnx2x_cl22_read(bp, phy,
10642 0x04,
10643 &an_10_100_val);
10644
10645 bnx2x_cl22_read(bp, phy,
10646 MDIO_PMA_REG_CTRL,
10647 &autoneg_val);
10648
10649 /* Disable forced speed */
10650 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
10651 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
10652 (1<<11));
10653
10654 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10655 (phy->speed_cap_mask &
10656 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
10657 (phy->req_line_speed == SPEED_1000)) {
10658 an_1000_val |= (1<<8);
10659 autoneg_val |= (1<<9 | 1<<12);
10660 if (phy->req_duplex == DUPLEX_FULL)
10661 an_1000_val |= (1<<9);
10662 DP(NETIF_MSG_LINK, "Advertising 1G\n");
10663 } else
10664 an_1000_val &= ~((1<<8) | (1<<9));
10665
10666 bnx2x_cl22_write(bp, phy,
10667 0x09,
10668 an_1000_val);
10669 bnx2x_cl22_read(bp, phy,
10670 0x09,
10671 &an_1000_val);
10672
10673 /* set 100 speed advertisement */
10674 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10675 (phy->speed_cap_mask &
10676 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
10677 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
10678 an_10_100_val |= (1<<7);
10679 /* Enable autoneg and restart autoneg for legacy speeds */
10680 autoneg_val |= (1<<9 | 1<<12);
10681
10682 if (phy->req_duplex == DUPLEX_FULL)
10683 an_10_100_val |= (1<<8);
10684 DP(NETIF_MSG_LINK, "Advertising 100M\n");
10685 }
10686
10687 /* set 10 speed advertisement */
10688 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10689 (phy->speed_cap_mask &
10690 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
10691 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
10692 an_10_100_val |= (1<<5);
10693 autoneg_val |= (1<<9 | 1<<12);
10694 if (phy->req_duplex == DUPLEX_FULL)
10695 an_10_100_val |= (1<<6);
10696 DP(NETIF_MSG_LINK, "Advertising 10M\n");
10697 }
10698
10699 /* Only 10/100 are allowed to work in FORCE mode */
10700 if (phy->req_line_speed == SPEED_100) {
10701 autoneg_val |= (1<<13);
10702 /* Enabled AUTO-MDIX when autoneg is disabled */
10703 bnx2x_cl22_write(bp, phy,
10704 0x18,
10705 (1<<15 | 1<<9 | 7<<0));
10706 DP(NETIF_MSG_LINK, "Setting 100M force\n");
10707 }
10708 if (phy->req_line_speed == SPEED_10) {
10709 /* Enabled AUTO-MDIX when autoneg is disabled */
10710 bnx2x_cl22_write(bp, phy,
10711 0x18,
10712 (1<<15 | 1<<9 | 7<<0));
10713 DP(NETIF_MSG_LINK, "Setting 10M force\n");
10714 }
10715
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010716 /* Check if we should turn on Auto-GrEEEn */
10717 bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
10718 if (temp == MDIO_REG_GPHY_ID_54618SE) {
10719 if (params->feature_config_flags &
10720 FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
10721 temp = 6;
10722 DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
10723 } else {
10724 temp = 0;
10725 DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
10726 }
10727 bnx2x_cl22_write(bp, phy,
10728 MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
10729 bnx2x_cl22_write(bp, phy,
10730 MDIO_REG_GPHY_CL45_DATA_REG,
10731 MDIO_REG_GPHY_EEE_ADV);
10732 bnx2x_cl22_write(bp, phy,
10733 MDIO_REG_GPHY_CL45_ADDR_REG,
10734 (0x1 << 14) | MDIO_AN_DEVAD);
10735 bnx2x_cl22_write(bp, phy,
10736 MDIO_REG_GPHY_CL45_DATA_REG,
10737 temp);
10738 }
10739
Yaniv Rosner6583e332011-06-14 01:34:17 +000010740 bnx2x_cl22_write(bp, phy,
10741 0x04,
10742 an_10_100_val | fc_val);
10743
10744 if (phy->req_duplex == DUPLEX_FULL)
10745 autoneg_val |= (1<<8);
10746
10747 bnx2x_cl22_write(bp, phy,
10748 MDIO_PMA_REG_CTRL, autoneg_val);
10749
10750 return 0;
10751}
10752
Yaniv Rosner1d125bd2011-11-23 03:54:08 +000010753
10754static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
10755 struct link_params *params, u8 mode)
10756{
10757 struct bnx2x *bp = params->bp;
10758 u16 temp;
10759
10760 bnx2x_cl22_write(bp, phy,
10761 MDIO_REG_GPHY_SHADOW,
10762 MDIO_REG_GPHY_SHADOW_LED_SEL1);
10763 bnx2x_cl22_read(bp, phy,
10764 MDIO_REG_GPHY_SHADOW,
10765 &temp);
10766 temp &= 0xff00;
10767
10768 DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
10769 switch (mode) {
10770 case LED_MODE_FRONT_PANEL_OFF:
10771 case LED_MODE_OFF:
10772 temp |= 0x00ee;
10773 break;
10774 case LED_MODE_OPER:
10775 temp |= 0x0001;
10776 break;
10777 case LED_MODE_ON:
10778 temp |= 0x00ff;
10779 break;
10780 default:
10781 break;
10782 }
10783 bnx2x_cl22_write(bp, phy,
10784 MDIO_REG_GPHY_SHADOW,
10785 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10786 return;
10787}
10788
10789
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010790static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
10791 struct link_params *params)
Yaniv Rosner6583e332011-06-14 01:34:17 +000010792{
10793 struct bnx2x *bp = params->bp;
10794 u32 cfg_pin;
10795 u8 port;
10796
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010797 /* In case of no EPIO routed to reset the GPHY, put it
Yaniv Rosnerd2059a02011-08-02 23:00:00 +000010798 * in low power mode.
10799 */
10800 bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010801 /* This works with E3 only, no need to check the chip
Yaniv Rosnerd2059a02011-08-02 23:00:00 +000010802 * before determining the port.
10803 */
Yaniv Rosner6583e332011-06-14 01:34:17 +000010804 port = params->port;
10805 cfg_pin = (REG_RD(bp, params->shmem_base +
10806 offsetof(struct shmem_region,
10807 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10808 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10809 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10810
10811 /* Drive pin low to put GPHY in reset. */
10812 bnx2x_set_cfg_pin(bp, cfg_pin, 0);
10813}
10814
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010815static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
10816 struct link_params *params,
10817 struct link_vars *vars)
Yaniv Rosner6583e332011-06-14 01:34:17 +000010818{
10819 struct bnx2x *bp = params->bp;
10820 u16 val;
10821 u8 link_up = 0;
10822 u16 legacy_status, legacy_speed;
10823
10824 /* Get speed operation status */
10825 bnx2x_cl22_read(bp, phy,
10826 0x19,
10827 &legacy_status);
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010828 DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
Yaniv Rosner6583e332011-06-14 01:34:17 +000010829
10830 /* Read status to clear the PHY interrupt. */
10831 bnx2x_cl22_read(bp, phy,
10832 MDIO_REG_INTR_STATUS,
10833 &val);
10834
10835 link_up = ((legacy_status & (1<<2)) == (1<<2));
10836
10837 if (link_up) {
10838 legacy_speed = (legacy_status & (7<<8));
10839 if (legacy_speed == (7<<8)) {
10840 vars->line_speed = SPEED_1000;
10841 vars->duplex = DUPLEX_FULL;
10842 } else if (legacy_speed == (6<<8)) {
10843 vars->line_speed = SPEED_1000;
10844 vars->duplex = DUPLEX_HALF;
10845 } else if (legacy_speed == (5<<8)) {
10846 vars->line_speed = SPEED_100;
10847 vars->duplex = DUPLEX_FULL;
10848 }
10849 /* Omitting 100Base-T4 for now */
10850 else if (legacy_speed == (3<<8)) {
10851 vars->line_speed = SPEED_100;
10852 vars->duplex = DUPLEX_HALF;
10853 } else if (legacy_speed == (2<<8)) {
10854 vars->line_speed = SPEED_10;
10855 vars->duplex = DUPLEX_FULL;
10856 } else if (legacy_speed == (1<<8)) {
10857 vars->line_speed = SPEED_10;
10858 vars->duplex = DUPLEX_HALF;
10859 } else /* Should not happen */
10860 vars->line_speed = 0;
10861
Joe Perches94f05b02011-08-14 12:16:20 +000010862 DP(NETIF_MSG_LINK,
10863 "Link is up in %dMbps, is_duplex_full= %d\n",
10864 vars->line_speed,
10865 (vars->duplex == DUPLEX_FULL));
Yaniv Rosner6583e332011-06-14 01:34:17 +000010866
10867 /* Check legacy speed AN resolution */
10868 bnx2x_cl22_read(bp, phy,
10869 0x01,
10870 &val);
10871 if (val & (1<<5))
10872 vars->link_status |=
10873 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10874 bnx2x_cl22_read(bp, phy,
10875 0x06,
10876 &val);
10877 if ((val & (1<<0)) == 0)
10878 vars->link_status |=
10879 LINK_STATUS_PARALLEL_DETECTION_USED;
10880
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010881 DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
Yaniv Rosner6583e332011-06-14 01:34:17 +000010882 vars->line_speed);
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010883
10884 /* Report whether EEE is resolved. */
10885 bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
10886 if (val == MDIO_REG_GPHY_ID_54618SE) {
10887 if (vars->link_status &
10888 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
10889 val = 0;
10890 else {
10891 bnx2x_cl22_write(bp, phy,
10892 MDIO_REG_GPHY_CL45_ADDR_REG,
10893 MDIO_AN_DEVAD);
10894 bnx2x_cl22_write(bp, phy,
10895 MDIO_REG_GPHY_CL45_DATA_REG,
10896 MDIO_REG_GPHY_EEE_RESOLVED);
10897 bnx2x_cl22_write(bp, phy,
10898 MDIO_REG_GPHY_CL45_ADDR_REG,
10899 (0x1 << 14) | MDIO_AN_DEVAD);
10900 bnx2x_cl22_read(bp, phy,
10901 MDIO_REG_GPHY_CL45_DATA_REG,
10902 &val);
10903 }
10904 DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
10905 }
10906
Yaniv Rosner6583e332011-06-14 01:34:17 +000010907 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Mintz Yuval9e7e8392012-02-15 02:10:24 +000010908
10909 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010910 /* Report LP advertised speeds */
Mintz Yuval9e7e8392012-02-15 02:10:24 +000010911 bnx2x_cl22_read(bp, phy, 0x5, &val);
10912
10913 if (val & (1<<5))
10914 vars->link_status |=
10915 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10916 if (val & (1<<6))
10917 vars->link_status |=
10918 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10919 if (val & (1<<7))
10920 vars->link_status |=
10921 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10922 if (val & (1<<8))
10923 vars->link_status |=
10924 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10925 if (val & (1<<9))
10926 vars->link_status |=
10927 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10928
10929 bnx2x_cl22_read(bp, phy, 0xa, &val);
10930 if (val & (1<<10))
10931 vars->link_status |=
10932 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10933 if (val & (1<<11))
10934 vars->link_status |=
10935 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10936 }
Yaniv Rosner6583e332011-06-14 01:34:17 +000010937 }
10938 return link_up;
10939}
10940
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010941static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
10942 struct link_params *params)
Yaniv Rosner6583e332011-06-14 01:34:17 +000010943{
10944 struct bnx2x *bp = params->bp;
10945 u16 val;
10946 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
10947
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010948 DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
Yaniv Rosner6583e332011-06-14 01:34:17 +000010949
10950 /* Enable master/slave manual mmode and set to master */
10951 /* mii write 9 [bits set 11 12] */
10952 bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
10953
10954 /* forced 1G and disable autoneg */
10955 /* set val [mii read 0] */
10956 /* set val [expr $val & [bits clear 6 12 13]] */
10957 /* set val [expr $val | [bits set 6 8]] */
10958 /* mii write 0 $val */
10959 bnx2x_cl22_read(bp, phy, 0x00, &val);
10960 val &= ~((1<<6) | (1<<12) | (1<<13));
10961 val |= (1<<6) | (1<<8);
10962 bnx2x_cl22_write(bp, phy, 0x00, val);
10963
10964 /* Set external loopback and Tx using 6dB coding */
10965 /* mii write 0x18 7 */
10966 /* set val [mii read 0x18] */
10967 /* mii write 0x18 [expr $val | [bits set 10 15]] */
10968 bnx2x_cl22_write(bp, phy, 0x18, 7);
10969 bnx2x_cl22_read(bp, phy, 0x18, &val);
10970 bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
10971
10972 /* This register opens the gate for the UMAC despite its name */
10973 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
10974
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000010975 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
Yaniv Rosner6583e332011-06-14 01:34:17 +000010976 * length used by the MAC receive logic to check frames.
10977 */
10978 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
10979}
10980
10981/******************************************************************/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010982/* SFX7101 PHY SECTION */
10983/******************************************************************/
10984static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
10985 struct link_params *params)
10986{
10987 struct bnx2x *bp = params->bp;
10988 /* SFX7101_XGXS_TEST1 */
10989 bnx2x_cl45_write(bp, phy,
10990 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
10991}
10992
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010993static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
10994 struct link_params *params,
10995 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010996{
10997 u16 fw_ver1, fw_ver2, val;
10998 struct bnx2x *bp = params->bp;
10999 DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
11000
11001 /* Restore normal power mode*/
11002 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011003 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011004 /* HW reset */
11005 bnx2x_ext_phy_hw_reset(bp, params->port);
Yaniv Rosner6d870c32011-01-31 04:22:20 +000011006 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011007
11008 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +000011009 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011010 DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
11011 bnx2x_cl45_write(bp, phy,
11012 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
11013
11014 bnx2x_ext_phy_set_pause(params, phy, vars);
11015 /* Restart autoneg */
11016 bnx2x_cl45_read(bp, phy,
11017 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
11018 val |= 0x200;
11019 bnx2x_cl45_write(bp, phy,
11020 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
11021
11022 /* Save spirom version */
11023 bnx2x_cl45_read(bp, phy,
11024 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
11025
11026 bnx2x_cl45_read(bp, phy,
11027 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
11028 bnx2x_save_spirom_version(bp, params->port,
11029 (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
11030 return 0;
11031}
11032
11033static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
11034 struct link_params *params,
11035 struct link_vars *vars)
11036{
11037 struct bnx2x *bp = params->bp;
11038 u8 link_up;
11039 u16 val1, val2;
11040 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +000011041 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011042 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +000011043 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011044 DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
11045 val2, val1);
11046 bnx2x_cl45_read(bp, phy,
11047 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
11048 bnx2x_cl45_read(bp, phy,
11049 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
11050 DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
11051 val2, val1);
11052 link_up = ((val1 & 4) == 4);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000011053 /* if link is up print the AN outcome of the SFX7101 PHY */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011054 if (link_up) {
11055 bnx2x_cl45_read(bp, phy,
11056 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
11057 &val2);
11058 vars->line_speed = SPEED_10000;
Yaniv Rosner791f18c2011-01-18 04:33:42 +000011059 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011060 DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
11061 val2, (val2 & (1<<14)));
11062 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
11063 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Mintz Yuval9e7e8392012-02-15 02:10:24 +000011064
11065 /* read LP advertised speeds */
11066 if (val2 & (1<<11))
11067 vars->link_status |=
11068 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011069 }
11070 return link_up;
11071}
11072
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011073static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011074{
11075 if (*len < 5)
11076 return -EINVAL;
11077 str[0] = (spirom_ver & 0xFF);
11078 str[1] = (spirom_ver & 0xFF00) >> 8;
11079 str[2] = (spirom_ver & 0xFF0000) >> 16;
11080 str[3] = (spirom_ver & 0xFF000000) >> 24;
11081 str[4] = '\0';
11082 *len -= 5;
11083 return 0;
11084}
11085
11086void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
11087{
11088 u16 val, cnt;
11089
11090 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011091 MDIO_PMA_DEVAD,
11092 MDIO_PMA_REG_7101_RESET, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011093
11094 for (cnt = 0; cnt < 10; cnt++) {
11095 msleep(50);
11096 /* Writes a self-clearing reset */
11097 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011098 MDIO_PMA_DEVAD,
11099 MDIO_PMA_REG_7101_RESET,
11100 (val | (1<<15)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011101 /* Wait for clear */
11102 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011103 MDIO_PMA_DEVAD,
11104 MDIO_PMA_REG_7101_RESET, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011105
11106 if ((val & (1<<15)) == 0)
11107 break;
11108 }
11109}
11110
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011111static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
11112 struct link_params *params) {
11113 /* Low power mode is controlled by GPIO 2 */
11114 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011115 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011116 /* The PHY reset is controlled by GPIO 1 */
11117 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011118 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011119}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011120
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011121static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
11122 struct link_params *params, u8 mode)
11123{
11124 u16 val = 0;
11125 struct bnx2x *bp = params->bp;
11126 switch (mode) {
11127 case LED_MODE_FRONT_PANEL_OFF:
11128 case LED_MODE_OFF:
11129 val = 2;
11130 break;
11131 case LED_MODE_ON:
11132 val = 1;
11133 break;
11134 case LED_MODE_OPER:
11135 val = 0;
11136 break;
11137 }
11138 bnx2x_cl45_write(bp, phy,
11139 MDIO_PMA_DEVAD,
11140 MDIO_PMA_REG_7107_LINK_LED_CNTL,
11141 val);
11142}
11143
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011144/******************************************************************/
11145/* STATIC PHY DECLARATION */
11146/******************************************************************/
11147
11148static struct bnx2x_phy phy_null = {
11149 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
11150 .addr = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011151 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011152 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011153 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11154 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11155 .mdio_ctrl = 0,
11156 .supported = 0,
11157 .media_type = ETH_PHY_NOT_PRESENT,
11158 .ver_addr = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011159 .req_flow_ctrl = 0,
11160 .req_line_speed = 0,
11161 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011162 .req_duplex = 0,
11163 .rsrv = 0,
11164 .config_init = (config_init_t)NULL,
11165 .read_status = (read_status_t)NULL,
11166 .link_reset = (link_reset_t)NULL,
11167 .config_loopback = (config_loopback_t)NULL,
11168 .format_fw_ver = (format_fw_ver_t)NULL,
11169 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011170 .set_link_led = (set_link_led_t)NULL,
11171 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011172};
11173
11174static struct bnx2x_phy phy_serdes = {
11175 .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
11176 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011177 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011178 .flags = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011179 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11180 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11181 .mdio_ctrl = 0,
11182 .supported = (SUPPORTED_10baseT_Half |
11183 SUPPORTED_10baseT_Full |
11184 SUPPORTED_100baseT_Half |
11185 SUPPORTED_100baseT_Full |
11186 SUPPORTED_1000baseT_Full |
11187 SUPPORTED_2500baseX_Full |
11188 SUPPORTED_TP |
11189 SUPPORTED_Autoneg |
11190 SUPPORTED_Pause |
11191 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011192 .media_type = ETH_PHY_BASE_T,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011193 .ver_addr = 0,
11194 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011195 .req_line_speed = 0,
11196 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011197 .req_duplex = 0,
11198 .rsrv = 0,
Yaniv Rosnerec146a62011-05-31 21:29:27 +000011199 .config_init = (config_init_t)bnx2x_xgxs_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011200 .read_status = (read_status_t)bnx2x_link_settings_status,
11201 .link_reset = (link_reset_t)bnx2x_int_link_reset,
11202 .config_loopback = (config_loopback_t)NULL,
11203 .format_fw_ver = (format_fw_ver_t)NULL,
11204 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011205 .set_link_led = (set_link_led_t)NULL,
11206 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011207};
11208
11209static struct bnx2x_phy phy_xgxs = {
11210 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11211 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011212 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011213 .flags = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011214 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11215 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11216 .mdio_ctrl = 0,
11217 .supported = (SUPPORTED_10baseT_Half |
11218 SUPPORTED_10baseT_Full |
11219 SUPPORTED_100baseT_Half |
11220 SUPPORTED_100baseT_Full |
11221 SUPPORTED_1000baseT_Full |
11222 SUPPORTED_2500baseX_Full |
11223 SUPPORTED_10000baseT_Full |
11224 SUPPORTED_FIBRE |
11225 SUPPORTED_Autoneg |
11226 SUPPORTED_Pause |
11227 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011228 .media_type = ETH_PHY_CX4,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011229 .ver_addr = 0,
11230 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011231 .req_line_speed = 0,
11232 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011233 .req_duplex = 0,
11234 .rsrv = 0,
Yaniv Rosnerec146a62011-05-31 21:29:27 +000011235 .config_init = (config_init_t)bnx2x_xgxs_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011236 .read_status = (read_status_t)bnx2x_link_settings_status,
11237 .link_reset = (link_reset_t)bnx2x_int_link_reset,
11238 .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
11239 .format_fw_ver = (format_fw_ver_t)NULL,
11240 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011241 .set_link_led = (set_link_led_t)NULL,
11242 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011243};
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011244static struct bnx2x_phy phy_warpcore = {
11245 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11246 .addr = 0xff,
11247 .def_md_devad = 0,
Yaniv Rosner55098c52012-04-03 18:41:27 +000011248 .flags = (FLAGS_HW_LOCK_REQUIRED |
11249 FLAGS_TX_ERROR_CHECK),
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011250 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11251 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11252 .mdio_ctrl = 0,
11253 .supported = (SUPPORTED_10baseT_Half |
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011254 SUPPORTED_10baseT_Full |
11255 SUPPORTED_100baseT_Half |
11256 SUPPORTED_100baseT_Full |
11257 SUPPORTED_1000baseT_Full |
11258 SUPPORTED_10000baseT_Full |
11259 SUPPORTED_20000baseKR2_Full |
11260 SUPPORTED_20000baseMLD2_Full |
11261 SUPPORTED_FIBRE |
11262 SUPPORTED_Autoneg |
11263 SUPPORTED_Pause |
11264 SUPPORTED_Asym_Pause),
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011265 .media_type = ETH_PHY_UNSPECIFIED,
11266 .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_warpcore_config_init,
11273 .read_status = (read_status_t)bnx2x_warpcore_read_status,
11274 .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
11275 .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
11276 .format_fw_ver = (format_fw_ver_t)NULL,
Yaniv Rosner985848f2011-07-05 01:06:48 +000011277 .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011278 .set_link_led = (set_link_led_t)NULL,
11279 .phy_specific_func = (phy_specific_func_t)NULL
11280};
11281
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011282
11283static struct bnx2x_phy phy_7101 = {
11284 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
11285 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011286 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011287 .flags = FLAGS_FAN_FAILURE_DET_REQ,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011288 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11289 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11290 .mdio_ctrl = 0,
11291 .supported = (SUPPORTED_10000baseT_Full |
11292 SUPPORTED_TP |
11293 SUPPORTED_Autoneg |
11294 SUPPORTED_Pause |
11295 SUPPORTED_Asym_Pause),
11296 .media_type = ETH_PHY_BASE_T,
11297 .ver_addr = 0,
11298 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011299 .req_line_speed = 0,
11300 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011301 .req_duplex = 0,
11302 .rsrv = 0,
11303 .config_init = (config_init_t)bnx2x_7101_config_init,
11304 .read_status = (read_status_t)bnx2x_7101_read_status,
11305 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11306 .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
11307 .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
11308 .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011309 .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011310 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011311};
11312static struct bnx2x_phy phy_8073 = {
11313 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
11314 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011315 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011316 .flags = FLAGS_HW_LOCK_REQUIRED,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011317 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11318 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11319 .mdio_ctrl = 0,
11320 .supported = (SUPPORTED_10000baseT_Full |
11321 SUPPORTED_2500baseX_Full |
11322 SUPPORTED_1000baseT_Full |
11323 SUPPORTED_FIBRE |
11324 SUPPORTED_Autoneg |
11325 SUPPORTED_Pause |
11326 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011327 .media_type = ETH_PHY_KR,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011328 .ver_addr = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011329 .req_flow_ctrl = 0,
11330 .req_line_speed = 0,
11331 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011332 .req_duplex = 0,
11333 .rsrv = 0,
Yaniv Rosner62b29a52010-09-07 11:40:58 +000011334 .config_init = (config_init_t)bnx2x_8073_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011335 .read_status = (read_status_t)bnx2x_8073_read_status,
11336 .link_reset = (link_reset_t)bnx2x_8073_link_reset,
11337 .config_loopback = (config_loopback_t)NULL,
11338 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11339 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011340 .set_link_led = (set_link_led_t)NULL,
11341 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011342};
11343static struct bnx2x_phy phy_8705 = {
11344 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
11345 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011346 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011347 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011348 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11349 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11350 .mdio_ctrl = 0,
11351 .supported = (SUPPORTED_10000baseT_Full |
11352 SUPPORTED_FIBRE |
11353 SUPPORTED_Pause |
11354 SUPPORTED_Asym_Pause),
11355 .media_type = ETH_PHY_XFP_FIBER,
11356 .ver_addr = 0,
11357 .req_flow_ctrl = 0,
11358 .req_line_speed = 0,
11359 .speed_cap_mask = 0,
11360 .req_duplex = 0,
11361 .rsrv = 0,
11362 .config_init = (config_init_t)bnx2x_8705_config_init,
11363 .read_status = (read_status_t)bnx2x_8705_read_status,
11364 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11365 .config_loopback = (config_loopback_t)NULL,
11366 .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
11367 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011368 .set_link_led = (set_link_led_t)NULL,
11369 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011370};
11371static struct bnx2x_phy phy_8706 = {
11372 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
11373 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011374 .def_md_devad = 0,
David S. Miller8decf862011-09-22 03:23:13 -040011375 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011376 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11377 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11378 .mdio_ctrl = 0,
11379 .supported = (SUPPORTED_10000baseT_Full |
11380 SUPPORTED_1000baseT_Full |
11381 SUPPORTED_FIBRE |
11382 SUPPORTED_Pause |
11383 SUPPORTED_Asym_Pause),
11384 .media_type = ETH_PHY_SFP_FIBER,
11385 .ver_addr = 0,
11386 .req_flow_ctrl = 0,
11387 .req_line_speed = 0,
11388 .speed_cap_mask = 0,
11389 .req_duplex = 0,
11390 .rsrv = 0,
11391 .config_init = (config_init_t)bnx2x_8706_config_init,
11392 .read_status = (read_status_t)bnx2x_8706_read_status,
11393 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11394 .config_loopback = (config_loopback_t)NULL,
11395 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11396 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011397 .set_link_led = (set_link_led_t)NULL,
11398 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011399};
11400
11401static struct bnx2x_phy phy_8726 = {
11402 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
11403 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011404 .def_md_devad = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011405 .flags = (FLAGS_HW_LOCK_REQUIRED |
Yaniv Rosner55098c52012-04-03 18:41:27 +000011406 FLAGS_INIT_XGXS_FIRST |
11407 FLAGS_TX_ERROR_CHECK),
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011408 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11409 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11410 .mdio_ctrl = 0,
11411 .supported = (SUPPORTED_10000baseT_Full |
11412 SUPPORTED_1000baseT_Full |
11413 SUPPORTED_Autoneg |
11414 SUPPORTED_FIBRE |
11415 SUPPORTED_Pause |
11416 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011417 .media_type = ETH_PHY_NOT_PRESENT,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011418 .ver_addr = 0,
11419 .req_flow_ctrl = 0,
11420 .req_line_speed = 0,
11421 .speed_cap_mask = 0,
11422 .req_duplex = 0,
11423 .rsrv = 0,
11424 .config_init = (config_init_t)bnx2x_8726_config_init,
11425 .read_status = (read_status_t)bnx2x_8726_read_status,
11426 .link_reset = (link_reset_t)bnx2x_8726_link_reset,
11427 .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
11428 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11429 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011430 .set_link_led = (set_link_led_t)NULL,
11431 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011432};
11433
11434static struct bnx2x_phy phy_8727 = {
11435 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
11436 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011437 .def_md_devad = 0,
Yaniv Rosner55098c52012-04-03 18:41:27 +000011438 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11439 FLAGS_TX_ERROR_CHECK),
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011440 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11441 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11442 .mdio_ctrl = 0,
11443 .supported = (SUPPORTED_10000baseT_Full |
11444 SUPPORTED_1000baseT_Full |
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011445 SUPPORTED_FIBRE |
11446 SUPPORTED_Pause |
11447 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011448 .media_type = ETH_PHY_NOT_PRESENT,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011449 .ver_addr = 0,
11450 .req_flow_ctrl = 0,
11451 .req_line_speed = 0,
11452 .speed_cap_mask = 0,
11453 .req_duplex = 0,
11454 .rsrv = 0,
11455 .config_init = (config_init_t)bnx2x_8727_config_init,
11456 .read_status = (read_status_t)bnx2x_8727_read_status,
11457 .link_reset = (link_reset_t)bnx2x_8727_link_reset,
11458 .config_loopback = (config_loopback_t)NULL,
11459 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11460 .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011461 .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011462 .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011463};
11464static struct bnx2x_phy phy_8481 = {
11465 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
11466 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011467 .def_md_devad = 0,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011468 .flags = FLAGS_FAN_FAILURE_DET_REQ |
11469 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011470 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11471 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11472 .mdio_ctrl = 0,
11473 .supported = (SUPPORTED_10baseT_Half |
11474 SUPPORTED_10baseT_Full |
11475 SUPPORTED_100baseT_Half |
11476 SUPPORTED_100baseT_Full |
11477 SUPPORTED_1000baseT_Full |
11478 SUPPORTED_10000baseT_Full |
11479 SUPPORTED_TP |
11480 SUPPORTED_Autoneg |
11481 SUPPORTED_Pause |
11482 SUPPORTED_Asym_Pause),
11483 .media_type = ETH_PHY_BASE_T,
11484 .ver_addr = 0,
11485 .req_flow_ctrl = 0,
11486 .req_line_speed = 0,
11487 .speed_cap_mask = 0,
11488 .req_duplex = 0,
11489 .rsrv = 0,
11490 .config_init = (config_init_t)bnx2x_8481_config_init,
11491 .read_status = (read_status_t)bnx2x_848xx_read_status,
11492 .link_reset = (link_reset_t)bnx2x_8481_link_reset,
11493 .config_loopback = (config_loopback_t)NULL,
11494 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11495 .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011496 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011497 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011498};
11499
11500static struct bnx2x_phy phy_84823 = {
11501 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
11502 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011503 .def_md_devad = 0,
Yaniv Rosner55098c52012-04-03 18:41:27 +000011504 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11505 FLAGS_REARM_LATCH_SIGNAL |
11506 FLAGS_TX_ERROR_CHECK),
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011507 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11508 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11509 .mdio_ctrl = 0,
11510 .supported = (SUPPORTED_10baseT_Half |
11511 SUPPORTED_10baseT_Full |
11512 SUPPORTED_100baseT_Half |
11513 SUPPORTED_100baseT_Full |
11514 SUPPORTED_1000baseT_Full |
11515 SUPPORTED_10000baseT_Full |
11516 SUPPORTED_TP |
11517 SUPPORTED_Autoneg |
11518 SUPPORTED_Pause |
11519 SUPPORTED_Asym_Pause),
11520 .media_type = ETH_PHY_BASE_T,
11521 .ver_addr = 0,
11522 .req_flow_ctrl = 0,
11523 .req_line_speed = 0,
11524 .speed_cap_mask = 0,
11525 .req_duplex = 0,
11526 .rsrv = 0,
11527 .config_init = (config_init_t)bnx2x_848x3_config_init,
11528 .read_status = (read_status_t)bnx2x_848xx_read_status,
11529 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11530 .config_loopback = (config_loopback_t)NULL,
11531 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11532 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011533 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011534 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011535};
11536
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011537static struct bnx2x_phy phy_84833 = {
11538 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
11539 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011540 .def_md_devad = 0,
Yaniv Rosner55098c52012-04-03 18:41:27 +000011541 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11542 FLAGS_REARM_LATCH_SIGNAL |
Yuval Mintzc8c60d82012-06-06 17:13:07 +000011543 FLAGS_TX_ERROR_CHECK |
11544 FLAGS_EEE_10GBT),
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011545 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11546 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11547 .mdio_ctrl = 0,
Yaniv Rosner0520e632011-07-05 01:06:59 +000011548 .supported = (SUPPORTED_100baseT_Half |
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011549 SUPPORTED_100baseT_Full |
11550 SUPPORTED_1000baseT_Full |
11551 SUPPORTED_10000baseT_Full |
11552 SUPPORTED_TP |
11553 SUPPORTED_Autoneg |
11554 SUPPORTED_Pause |
11555 SUPPORTED_Asym_Pause),
11556 .media_type = ETH_PHY_BASE_T,
11557 .ver_addr = 0,
11558 .req_flow_ctrl = 0,
11559 .req_line_speed = 0,
11560 .speed_cap_mask = 0,
11561 .req_duplex = 0,
11562 .rsrv = 0,
11563 .config_init = (config_init_t)bnx2x_848x3_config_init,
11564 .read_status = (read_status_t)bnx2x_848xx_read_status,
11565 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11566 .config_loopback = (config_loopback_t)NULL,
11567 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
Yaniv Rosner985848f2011-07-05 01:06:48 +000011568 .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011569 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
11570 .phy_specific_func = (phy_specific_func_t)NULL
11571};
11572
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000011573static struct bnx2x_phy phy_54618se = {
11574 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
Yaniv Rosner6583e332011-06-14 01:34:17 +000011575 .addr = 0xff,
11576 .def_md_devad = 0,
11577 .flags = FLAGS_INIT_XGXS_FIRST,
11578 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11579 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11580 .mdio_ctrl = 0,
11581 .supported = (SUPPORTED_10baseT_Half |
11582 SUPPORTED_10baseT_Full |
11583 SUPPORTED_100baseT_Half |
11584 SUPPORTED_100baseT_Full |
11585 SUPPORTED_1000baseT_Full |
11586 SUPPORTED_TP |
11587 SUPPORTED_Autoneg |
11588 SUPPORTED_Pause |
11589 SUPPORTED_Asym_Pause),
11590 .media_type = ETH_PHY_BASE_T,
11591 .ver_addr = 0,
11592 .req_flow_ctrl = 0,
11593 .req_line_speed = 0,
11594 .speed_cap_mask = 0,
11595 /* req_duplex = */0,
11596 /* rsrv = */0,
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000011597 .config_init = (config_init_t)bnx2x_54618se_config_init,
11598 .read_status = (read_status_t)bnx2x_54618se_read_status,
11599 .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
11600 .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
Yaniv Rosner6583e332011-06-14 01:34:17 +000011601 .format_fw_ver = (format_fw_ver_t)NULL,
11602 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosner1d125bd2011-11-23 03:54:08 +000011603 .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
Yaniv Rosner6583e332011-06-14 01:34:17 +000011604 .phy_specific_func = (phy_specific_func_t)NULL
11605};
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011606/*****************************************************************/
11607/* */
11608/* Populate the phy according. Main function: bnx2x_populate_phy */
11609/* */
11610/*****************************************************************/
11611
11612static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
11613 struct bnx2x_phy *phy, u8 port,
11614 u8 phy_index)
11615{
11616 /* Get the 4 lanes xgxs config rx and tx */
11617 u32 rx = 0, tx = 0, i;
11618 for (i = 0; i < 2; i++) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011619 /* INT_PHY and EXT_PHY1 share the same value location in
11620 * the shmem. When num_phys is greater than 1, than this value
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011621 * applies only to EXT_PHY1
11622 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011623 if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
11624 rx = REG_RD(bp, shmem_base +
11625 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011626 dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011627
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011628 tx = REG_RD(bp, shmem_base +
11629 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011630 dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011631 } else {
11632 rx = REG_RD(bp, shmem_base +
11633 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011634 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011635
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011636 tx = REG_RD(bp, shmem_base +
11637 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011638 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011639 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011640
11641 phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
11642 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
11643
11644 phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
11645 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
11646 }
11647}
11648
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011649static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
11650 u8 phy_index, u8 port)
11651{
11652 u32 ext_phy_config = 0;
11653 switch (phy_index) {
11654 case EXT_PHY1:
11655 ext_phy_config = REG_RD(bp, shmem_base +
11656 offsetof(struct shmem_region,
11657 dev_info.port_hw_config[port].external_phy_config));
11658 break;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011659 case EXT_PHY2:
11660 ext_phy_config = REG_RD(bp, shmem_base +
11661 offsetof(struct shmem_region,
11662 dev_info.port_hw_config[port].external_phy_config2));
11663 break;
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011664 default:
11665 DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
11666 return -EINVAL;
11667 }
11668
11669 return ext_phy_config;
11670}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011671static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
11672 struct bnx2x_phy *phy)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011673{
11674 u32 phy_addr;
11675 u32 chip_id;
11676 u32 switch_cfg = (REG_RD(bp, shmem_base +
11677 offsetof(struct shmem_region,
11678 dev_info.port_feature_config[port].link_config)) &
11679 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerec15b892011-11-28 00:49:49 +000011680 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
11681 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
11682
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011683 DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
11684 if (USES_WARPCORE(bp)) {
11685 u32 serdes_net_if;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011686 phy_addr = REG_RD(bp,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011687 MISC_REG_WC0_CTRL_PHY_ADDR);
11688 *phy = phy_warpcore;
11689 if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
11690 phy->flags |= FLAGS_4_PORT_MODE;
11691 else
11692 phy->flags &= ~FLAGS_4_PORT_MODE;
11693 /* Check Dual mode */
11694 serdes_net_if = (REG_RD(bp, shmem_base +
11695 offsetof(struct shmem_region, dev_info.
11696 port_hw_config[port].default_cfg)) &
11697 PORT_HW_CFG_NET_SERDES_IF_MASK);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011698 /* Set the appropriate supported and flags indications per
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011699 * interface type of the chip
11700 */
11701 switch (serdes_net_if) {
11702 case PORT_HW_CFG_NET_SERDES_IF_SGMII:
11703 phy->supported &= (SUPPORTED_10baseT_Half |
11704 SUPPORTED_10baseT_Full |
11705 SUPPORTED_100baseT_Half |
11706 SUPPORTED_100baseT_Full |
11707 SUPPORTED_1000baseT_Full |
11708 SUPPORTED_FIBRE |
11709 SUPPORTED_Autoneg |
11710 SUPPORTED_Pause |
11711 SUPPORTED_Asym_Pause);
11712 phy->media_type = ETH_PHY_BASE_T;
11713 break;
11714 case PORT_HW_CFG_NET_SERDES_IF_XFI:
11715 phy->media_type = ETH_PHY_XFP_FIBER;
11716 break;
11717 case PORT_HW_CFG_NET_SERDES_IF_SFI:
11718 phy->supported &= (SUPPORTED_1000baseT_Full |
11719 SUPPORTED_10000baseT_Full |
11720 SUPPORTED_FIBRE |
11721 SUPPORTED_Pause |
11722 SUPPORTED_Asym_Pause);
11723 phy->media_type = ETH_PHY_SFP_FIBER;
11724 break;
11725 case PORT_HW_CFG_NET_SERDES_IF_KR:
11726 phy->media_type = ETH_PHY_KR;
11727 phy->supported &= (SUPPORTED_1000baseT_Full |
11728 SUPPORTED_10000baseT_Full |
11729 SUPPORTED_FIBRE |
11730 SUPPORTED_Autoneg |
11731 SUPPORTED_Pause |
11732 SUPPORTED_Asym_Pause);
11733 break;
11734 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
11735 phy->media_type = ETH_PHY_KR;
11736 phy->flags |= FLAGS_WC_DUAL_MODE;
11737 phy->supported &= (SUPPORTED_20000baseMLD2_Full |
11738 SUPPORTED_FIBRE |
11739 SUPPORTED_Pause |
11740 SUPPORTED_Asym_Pause);
11741 break;
11742 case PORT_HW_CFG_NET_SERDES_IF_KR2:
11743 phy->media_type = ETH_PHY_KR;
11744 phy->flags |= FLAGS_WC_DUAL_MODE;
11745 phy->supported &= (SUPPORTED_20000baseKR2_Full |
11746 SUPPORTED_FIBRE |
11747 SUPPORTED_Pause |
11748 SUPPORTED_Asym_Pause);
11749 break;
11750 default:
11751 DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
11752 serdes_net_if);
11753 break;
11754 }
11755
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011756 /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011757 * was not set as expected. For B0, ECO will be enabled so there
11758 * won't be an issue there
11759 */
11760 if (CHIP_REV(bp) == CHIP_REV_Ax)
11761 phy->flags |= FLAGS_MDC_MDIO_WA;
Yaniv Rosner157fa282011-08-02 22:59:32 +000011762 else
11763 phy->flags |= FLAGS_MDC_MDIO_WA_B0;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011764 } else {
11765 switch (switch_cfg) {
11766 case SWITCH_CFG_1G:
11767 phy_addr = REG_RD(bp,
11768 NIG_REG_SERDES0_CTRL_PHY_ADDR +
11769 port * 0x10);
11770 *phy = phy_serdes;
11771 break;
11772 case SWITCH_CFG_10G:
11773 phy_addr = REG_RD(bp,
11774 NIG_REG_XGXS0_CTRL_PHY_ADDR +
11775 port * 0x18);
11776 *phy = phy_xgxs;
11777 break;
11778 default:
11779 DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
11780 return -EINVAL;
11781 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011782 }
11783 phy->addr = (u8)phy_addr;
11784 phy->mdio_ctrl = bnx2x_get_emac_base(bp,
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011785 SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011786 port);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011787 if (CHIP_IS_E2(bp))
11788 phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
11789 else
11790 phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011791
11792 DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
11793 port, phy->addr, phy->mdio_ctrl);
11794
11795 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
11796 return 0;
11797}
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011798
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011799static int bnx2x_populate_ext_phy(struct bnx2x *bp,
11800 u8 phy_index,
11801 u32 shmem_base,
11802 u32 shmem2_base,
11803 u8 port,
11804 struct bnx2x_phy *phy)
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011805{
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011806 u32 ext_phy_config, phy_type, config2;
11807 u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011808 ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
11809 phy_index, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011810 phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
11811 /* Select the phy type */
11812 switch (phy_type) {
11813 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011814 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011815 *phy = phy_8073;
11816 break;
11817 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
11818 *phy = phy_8705;
11819 break;
11820 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
11821 *phy = phy_8706;
11822 break;
11823 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011824 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011825 *phy = phy_8726;
11826 break;
11827 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
11828 /* BCM8727_NOC => BCM8727 no over current */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011829 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011830 *phy = phy_8727;
11831 phy->flags |= FLAGS_NOC;
11832 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +000011833 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011834 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011835 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011836 *phy = phy_8727;
11837 break;
11838 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
11839 *phy = phy_8481;
11840 break;
11841 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
11842 *phy = phy_84823;
11843 break;
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011844 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
11845 *phy = phy_84833;
11846 break;
Yaniv Rosner3756a892011-08-23 06:33:24 +000011847 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000011848 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
11849 *phy = phy_54618se;
Yaniv Rosner6583e332011-06-14 01:34:17 +000011850 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011851 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
11852 *phy = phy_7101;
11853 break;
11854 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
11855 *phy = phy_null;
11856 return -EINVAL;
11857 default:
11858 *phy = phy_null;
Yaniv Rosner6db51932011-11-28 00:49:50 +000011859 /* In case external PHY wasn't found */
11860 if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
11861 (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
11862 return -EINVAL;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011863 return 0;
11864 }
11865
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011866 phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011867 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
Yaniv Rosner62b29a52010-09-07 11:40:58 +000011868
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011869 /* The shmem address of the phy version is located on different
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000011870 * structures. In case this structure is too old, do not set
11871 * the address
11872 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011873 config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
11874 dev_info.shared_hw_config.config2));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011875 if (phy_index == EXT_PHY1) {
11876 phy->ver_addr = shmem_base + offsetof(struct shmem_region,
11877 port_mb[port].ext_phy_fw_version);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011878
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011879 /* Check specific mdc mdio settings */
11880 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
11881 mdc_mdio_access = config2 &
11882 SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011883 } else {
11884 u32 size = REG_RD(bp, shmem2_base);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011885
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011886 if (size >
11887 offsetof(struct shmem2_region, ext_phy_fw_version2)) {
11888 phy->ver_addr = shmem2_base +
11889 offsetof(struct shmem2_region,
11890 ext_phy_fw_version2[port]);
11891 }
11892 /* Check specific mdc mdio settings */
11893 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
11894 mdc_mdio_access = (config2 &
11895 SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
11896 (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
11897 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
11898 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011899 phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
11900
Yaniv Rosner75318322012-01-17 02:33:27 +000011901 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
11902 (phy->ver_addr)) {
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011903 /* Remove 100Mb link supported for BCM84833 when phy fw
Yaniv Rosner75318322012-01-17 02:33:27 +000011904 * version lower than or equal to 1.39
11905 */
11906 u32 raw_ver = REG_RD(bp, phy->ver_addr);
11907 if (((raw_ver & 0x7F) <= 39) &&
11908 (((raw_ver & 0xF80) >> 7) <= 1))
11909 phy->supported &= ~(SUPPORTED_100baseT_Half |
11910 SUPPORTED_100baseT_Full);
11911 }
11912
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000011913 /* In case mdc/mdio_access of the external phy is different than the
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011914 * mdc/mdio access of the XGXS, a HW lock must be taken in each access
11915 * to prevent one port interfere with another port's CL45 operations.
11916 */
11917 if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
11918 phy->flags |= FLAGS_HW_LOCK_REQUIRED;
11919 DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
11920 phy_type, port, phy_index);
11921 DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
11922 phy->addr, phy->mdio_ctrl);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011923 return 0;
11924}
11925
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011926static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
11927 u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011928{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011929 int status = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011930 phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
11931 if (phy_index == INT_PHY)
11932 return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011933 status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011934 port, phy);
11935 return status;
11936}
11937
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011938static void bnx2x_phy_def_cfg(struct link_params *params,
11939 struct bnx2x_phy *phy,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011940 u8 phy_index)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011941{
11942 struct bnx2x *bp = params->bp;
11943 u32 link_config;
11944 /* Populate the default phy configuration for MF mode */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011945 if (phy_index == EXT_PHY2) {
11946 link_config = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011947 offsetof(struct shmem_region, dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011948 port_feature_config[params->port].link_config2));
11949 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011950 offsetof(struct shmem_region,
11951 dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011952 port_hw_config[params->port].speed_capability_mask2));
11953 } else {
11954 link_config = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011955 offsetof(struct shmem_region, dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011956 port_feature_config[params->port].link_config));
11957 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011958 offsetof(struct shmem_region,
11959 dev_info.
11960 port_hw_config[params->port].speed_capability_mask));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011961 }
Joe Perches94f05b02011-08-14 12:16:20 +000011962 DP(NETIF_MSG_LINK,
11963 "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
11964 phy_index, link_config, phy->speed_cap_mask);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011965
11966 phy->req_duplex = DUPLEX_FULL;
11967 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
11968 case PORT_FEATURE_LINK_SPEED_10M_HALF:
11969 phy->req_duplex = DUPLEX_HALF;
11970 case PORT_FEATURE_LINK_SPEED_10M_FULL:
11971 phy->req_line_speed = SPEED_10;
11972 break;
11973 case PORT_FEATURE_LINK_SPEED_100M_HALF:
11974 phy->req_duplex = DUPLEX_HALF;
11975 case PORT_FEATURE_LINK_SPEED_100M_FULL:
11976 phy->req_line_speed = SPEED_100;
11977 break;
11978 case PORT_FEATURE_LINK_SPEED_1G:
11979 phy->req_line_speed = SPEED_1000;
11980 break;
11981 case PORT_FEATURE_LINK_SPEED_2_5G:
11982 phy->req_line_speed = SPEED_2500;
11983 break;
11984 case PORT_FEATURE_LINK_SPEED_10G_CX4:
11985 phy->req_line_speed = SPEED_10000;
11986 break;
11987 default:
11988 phy->req_line_speed = SPEED_AUTO_NEG;
11989 break;
11990 }
11991
11992 switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
11993 case PORT_FEATURE_FLOW_CONTROL_AUTO:
11994 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
11995 break;
11996 case PORT_FEATURE_FLOW_CONTROL_TX:
11997 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
11998 break;
11999 case PORT_FEATURE_FLOW_CONTROL_RX:
12000 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
12001 break;
12002 case PORT_FEATURE_FLOW_CONTROL_BOTH:
12003 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
12004 break;
12005 default:
12006 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12007 break;
12008 }
12009}
12010
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012011u32 bnx2x_phy_selection(struct link_params *params)
12012{
12013 u32 phy_config_swapped, prio_cfg;
12014 u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
12015
12016 phy_config_swapped = params->multi_phy_config &
12017 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12018
12019 prio_cfg = params->multi_phy_config &
12020 PORT_HW_CFG_PHY_SELECTION_MASK;
12021
12022 if (phy_config_swapped) {
12023 switch (prio_cfg) {
12024 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
12025 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
12026 break;
12027 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
12028 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
12029 break;
12030 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
12031 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
12032 break;
12033 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
12034 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
12035 break;
12036 }
12037 } else
12038 return_cfg = prio_cfg;
12039
12040 return return_cfg;
12041}
12042
12043
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012044int bnx2x_phy_probe(struct link_params *params)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012045{
Yaniv Rosner2f751a82011-11-28 00:49:52 +000012046 u8 phy_index, actual_phy_idx;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000012047 u32 phy_config_swapped, sync_offset, media_types;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012048 struct bnx2x *bp = params->bp;
12049 struct bnx2x_phy *phy;
12050 params->num_phys = 0;
12051 DP(NETIF_MSG_LINK, "Begin phy probe\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012052 phy_config_swapped = params->multi_phy_config &
12053 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012054
12055 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12056 phy_index++) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012057 actual_phy_idx = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012058 if (phy_config_swapped) {
12059 if (phy_index == EXT_PHY1)
12060 actual_phy_idx = EXT_PHY2;
12061 else if (phy_index == EXT_PHY2)
12062 actual_phy_idx = EXT_PHY1;
12063 }
12064 DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
12065 " actual_phy_idx %x\n", phy_config_swapped,
12066 phy_index, actual_phy_idx);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012067 phy = &params->phy[actual_phy_idx];
12068 if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012069 params->shmem2_base, params->port,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012070 phy) != 0) {
12071 params->num_phys = 0;
12072 DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
12073 phy_index);
12074 for (phy_index = INT_PHY;
12075 phy_index < MAX_PHYS;
12076 phy_index++)
12077 *phy = phy_null;
12078 return -EINVAL;
12079 }
12080 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
12081 break;
12082
Yaniv Rosner55098c52012-04-03 18:41:27 +000012083 if (params->feature_config_flags &
12084 FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
12085 phy->flags &= ~FLAGS_TX_ERROR_CHECK;
12086
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000012087 sync_offset = params->shmem_base +
12088 offsetof(struct shmem_region,
12089 dev_info.port_hw_config[params->port].media_type);
12090 media_types = REG_RD(bp, sync_offset);
12091
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012092 /* Update media type for non-PMF sync only for the first time
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000012093 * In case the media type changes afterwards, it will be updated
12094 * using the update_status function
12095 */
12096 if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
12097 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12098 actual_phy_idx))) == 0) {
12099 media_types |= ((phy->media_type &
12100 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
12101 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12102 actual_phy_idx));
12103 }
12104 REG_WR(bp, sync_offset, media_types);
12105
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012106 bnx2x_phy_def_cfg(params, phy, phy_index);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000012107 params->num_phys++;
12108 }
12109
12110 DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
12111 return 0;
12112}
12113
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012114void bnx2x_init_bmac_loopback(struct link_params *params,
12115 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012116{
12117 struct bnx2x *bp = params->bp;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012118 vars->link_up = 1;
12119 vars->line_speed = SPEED_10000;
12120 vars->duplex = DUPLEX_FULL;
12121 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12122 vars->mac_type = MAC_TYPE_BMAC;
12123
12124 vars->phy_flags = PHY_XGXS_FLAG;
12125
12126 bnx2x_xgxs_deassert(params);
12127
12128 /* set bmac loopback */
12129 bnx2x_bmac_enable(params, vars, 1);
12130
12131 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12132}
12133
12134void bnx2x_init_emac_loopback(struct link_params *params,
12135 struct link_vars *vars)
12136{
12137 struct bnx2x *bp = params->bp;
12138 vars->link_up = 1;
12139 vars->line_speed = SPEED_1000;
12140 vars->duplex = DUPLEX_FULL;
12141 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12142 vars->mac_type = MAC_TYPE_EMAC;
12143
12144 vars->phy_flags = PHY_XGXS_FLAG;
12145
12146 bnx2x_xgxs_deassert(params);
12147 /* set bmac loopback */
12148 bnx2x_emac_enable(params, vars, 1);
12149 bnx2x_emac_program(params, vars);
12150 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12151}
12152
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012153void bnx2x_init_xmac_loopback(struct link_params *params,
12154 struct link_vars *vars)
12155{
12156 struct bnx2x *bp = params->bp;
12157 vars->link_up = 1;
12158 if (!params->req_line_speed[0])
12159 vars->line_speed = SPEED_10000;
12160 else
12161 vars->line_speed = params->req_line_speed[0];
12162 vars->duplex = DUPLEX_FULL;
12163 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12164 vars->mac_type = MAC_TYPE_XMAC;
12165 vars->phy_flags = PHY_XGXS_FLAG;
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012166 /* Set WC to loopback mode since link is required to provide clock
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012167 * to the XMAC in 20G mode
12168 */
Yaniv Rosnerafad0092011-08-02 23:00:06 +000012169 bnx2x_set_aer_mmd(params, &params->phy[0]);
12170 bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
12171 params->phy[INT_PHY].config_loopback(
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012172 &params->phy[INT_PHY],
12173 params);
Yaniv Rosnerafad0092011-08-02 23:00:06 +000012174
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012175 bnx2x_xmac_enable(params, vars, 1);
12176 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12177}
12178
12179void bnx2x_init_umac_loopback(struct link_params *params,
12180 struct link_vars *vars)
12181{
12182 struct bnx2x *bp = params->bp;
12183 vars->link_up = 1;
12184 vars->line_speed = SPEED_1000;
12185 vars->duplex = DUPLEX_FULL;
12186 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12187 vars->mac_type = MAC_TYPE_UMAC;
12188 vars->phy_flags = PHY_XGXS_FLAG;
12189 bnx2x_umac_enable(params, vars, 1);
12190
12191 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12192}
12193
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012194void bnx2x_init_xgxs_loopback(struct link_params *params,
12195 struct link_vars *vars)
12196{
12197 struct bnx2x *bp = params->bp;
12198 vars->link_up = 1;
12199 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12200 vars->duplex = DUPLEX_FULL;
12201 if (params->req_line_speed[0] == SPEED_1000)
12202 vars->line_speed = SPEED_1000;
12203 else
12204 vars->line_speed = SPEED_10000;
12205
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012206 if (!USES_WARPCORE(bp))
12207 bnx2x_xgxs_deassert(params);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012208 bnx2x_link_initialize(params, vars);
12209
12210 if (params->req_line_speed[0] == SPEED_1000) {
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012211 if (USES_WARPCORE(bp))
12212 bnx2x_umac_enable(params, vars, 0);
12213 else {
12214 bnx2x_emac_program(params, vars);
12215 bnx2x_emac_enable(params, vars, 0);
12216 }
12217 } else {
12218 if (USES_WARPCORE(bp))
12219 bnx2x_xmac_enable(params, vars, 0);
12220 else
12221 bnx2x_bmac_enable(params, vars, 0);
12222 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012223
12224 if (params->loopback_mode == LOOPBACK_XGXS) {
12225 /* set 10G XGXS loopback */
12226 params->phy[INT_PHY].config_loopback(
12227 &params->phy[INT_PHY],
12228 params);
12229
12230 } else {
12231 /* set external phy loopback */
12232 u8 phy_index;
12233 for (phy_index = EXT_PHY1;
12234 phy_index < params->num_phys; phy_index++) {
12235 if (params->phy[phy_index].config_loopback)
12236 params->phy[phy_index].config_loopback(
12237 &params->phy[phy_index],
12238 params);
12239 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012240 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012241 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012242
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012243 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012244}
12245
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012246int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012247{
12248 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012249 DP(NETIF_MSG_LINK, "Phy Initialization started\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012250 DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
12251 params->req_line_speed[0], params->req_flow_ctrl[0]);
12252 DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
12253 params->req_line_speed[1], params->req_flow_ctrl[1]);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012254 vars->link_status = 0;
12255 vars->phy_link_up = 0;
12256 vars->link_up = 0;
12257 vars->line_speed = 0;
12258 vars->duplex = DUPLEX_FULL;
12259 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12260 vars->mac_type = MAC_TYPE_NONE;
12261 vars->phy_flags = 0;
12262
12263 /* disable attentions */
12264 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
12265 (NIG_MASK_XGXS0_LINK_STATUS |
12266 NIG_MASK_XGXS0_LINK10G |
12267 NIG_MASK_SERDES0_LINK_STATUS |
12268 NIG_MASK_MI_INT));
12269
12270 bnx2x_emac_init(params, vars);
12271
Yaniv Rosner27d91292012-04-04 01:28:54 +000012272 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
12273 vars->link_status |= LINK_STATUS_PFC_ENABLED;
12274
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012275 if (params->num_phys == 0) {
12276 DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
12277 return -EINVAL;
12278 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012279 set_phy_vars(params, vars);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012280
12281 DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012282 switch (params->loopback_mode) {
12283 case LOOPBACK_BMAC:
12284 bnx2x_init_bmac_loopback(params, vars);
12285 break;
12286 case LOOPBACK_EMAC:
12287 bnx2x_init_emac_loopback(params, vars);
12288 break;
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012289 case LOOPBACK_XMAC:
12290 bnx2x_init_xmac_loopback(params, vars);
12291 break;
12292 case LOOPBACK_UMAC:
12293 bnx2x_init_umac_loopback(params, vars);
12294 break;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012295 case LOOPBACK_XGXS:
12296 case LOOPBACK_EXT_PHY:
12297 bnx2x_init_xgxs_loopback(params, vars);
12298 break;
12299 default:
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012300 if (!CHIP_IS_E3(bp)) {
12301 if (params->switch_cfg == SWITCH_CFG_10G)
12302 bnx2x_xgxs_deassert(params);
12303 else
12304 bnx2x_serdes_deassert(bp, params->port);
12305 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012306 bnx2x_link_initialize(params, vars);
12307 msleep(30);
12308 bnx2x_link_int_enable(params);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000012309 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012310 }
Yaniv Rosner55098c52012-04-03 18:41:27 +000012311 bnx2x_update_mng(params, vars->link_status);
Yuval Mintzc8c60d82012-06-06 17:13:07 +000012312
12313 bnx2x_update_mng_eee(params, vars->eee_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012314 return 0;
12315}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012316
12317int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
12318 u8 reset_ext_phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012319{
12320 struct bnx2x *bp = params->bp;
Yaniv Rosnercf1d9722010-11-01 05:32:34 +000012321 u8 phy_index, port = params->port, clear_latch_ind = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012322 DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
12323 /* disable attentions */
12324 vars->link_status = 0;
12325 bnx2x_update_mng(params, vars->link_status);
Yuval Mintzc8c60d82012-06-06 17:13:07 +000012326 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
12327 SHMEM_EEE_ACTIVE_BIT);
12328 bnx2x_update_mng_eee(params, vars->eee_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012329 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012330 (NIG_MASK_XGXS0_LINK_STATUS |
12331 NIG_MASK_XGXS0_LINK10G |
12332 NIG_MASK_SERDES0_LINK_STATUS |
12333 NIG_MASK_MI_INT));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012334
12335 /* activate nig drain */
12336 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
12337
12338 /* disable nig egress interface */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012339 if (!CHIP_IS_E3(bp)) {
12340 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
12341 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
12342 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012343
12344 /* Stop BigMac rx */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012345 if (!CHIP_IS_E3(bp))
12346 bnx2x_bmac_rx_disable(bp, port);
Yaniv Rosnerce7c0482011-10-27 05:09:47 +000012347 else {
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012348 bnx2x_xmac_disable(params);
Yaniv Rosnerce7c0482011-10-27 05:09:47 +000012349 bnx2x_umac_disable(params);
12350 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012351 /* disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012352 if (!CHIP_IS_E3(bp))
12353 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012354
12355 msleep(10);
Lucas De Marchi25985ed2011-03-30 22:57:33 -030012356 /* The PHY reset is controlled by GPIO 1
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012357 * Hold it as vars low
12358 */
12359 /* clear link led */
Yaniv Rosnerca7b91b2012-04-04 01:40:02 +000012360 bnx2x_set_mdio_clk(bp, params->chip_id, port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000012361 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
12362
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012363 if (reset_ext_phy) {
12364 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
12365 phy_index++) {
Yaniv Rosner28f48812011-08-02 23:00:12 +000012366 if (params->phy[phy_index].link_reset) {
12367 bnx2x_set_aer_mmd(params,
12368 &params->phy[phy_index]);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012369 params->phy[phy_index].link_reset(
12370 &params->phy[phy_index],
12371 params);
Yaniv Rosner28f48812011-08-02 23:00:12 +000012372 }
Yaniv Rosnercf1d9722010-11-01 05:32:34 +000012373 if (params->phy[phy_index].flags &
12374 FLAGS_REARM_LATCH_SIGNAL)
12375 clear_latch_ind = 1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012376 }
12377 }
12378
Yaniv Rosnercf1d9722010-11-01 05:32:34 +000012379 if (clear_latch_ind) {
12380 /* Clear latching indication */
12381 bnx2x_rearm_latch_signal(bp, port, 0);
12382 bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
12383 1 << NIG_LATCH_BC_ENABLE_MI_INT);
12384 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012385 if (params->phy[INT_PHY].link_reset)
12386 params->phy[INT_PHY].link_reset(
12387 &params->phy[INT_PHY], params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012388
12389 /* disable nig ingress interface */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012390 if (!CHIP_IS_E3(bp)) {
Yaniv Rosnerce7c0482011-10-27 05:09:47 +000012391 /* reset BigMac */
12392 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
12393 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012394 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
12395 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
Yaniv Rosnerce7c0482011-10-27 05:09:47 +000012396 } else {
12397 u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
12398 bnx2x_set_xumac_nig(params, 0, 0);
12399 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
12400 MISC_REGISTERS_RESET_REG_2_XMAC)
12401 REG_WR(bp, xmac_base + XMAC_REG_CTRL,
12402 XMAC_CTRL_REG_SOFT_RESET);
Yaniv Rosner9380bb92011-06-14 01:34:07 +000012403 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012404 vars->link_up = 0;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012405 vars->phy_flags = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012406 return 0;
12407}
12408
12409/****************************************************************************/
12410/* Common function */
12411/****************************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012412static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
12413 u32 shmem_base_path[],
12414 u32 shmem2_base_path[], u8 phy_index,
12415 u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012416{
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012417 struct bnx2x_phy phy[PORT_MAX];
12418 struct bnx2x_phy *phy_blk[PORT_MAX];
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012419 u16 val;
Yaniv Rosnerc8e64df2011-01-30 04:15:00 +000012420 s8 port = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012421 s8 port_of_path = 0;
Yaniv Rosnerc8e64df2011-01-30 04:15:00 +000012422 u32 swap_val, swap_override;
12423 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12424 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
12425 port ^= (swap_val && swap_override);
12426 bnx2x_ext_phy_hw_reset(bp, port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012427 /* PART1 - Reset both phys */
12428 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012429 u32 shmem_base, shmem2_base;
12430 /* In E2, same phy is using for port0 of the two paths */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012431 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012432 shmem_base = shmem_base_path[0];
12433 shmem2_base = shmem2_base_path[0];
12434 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012435 } else {
12436 shmem_base = shmem_base_path[port];
12437 shmem2_base = shmem2_base_path[port];
12438 port_of_path = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012439 }
12440
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012441 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012442 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012443 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012444 0) {
12445 DP(NETIF_MSG_LINK, "populate_phy failed\n");
12446 return -EINVAL;
12447 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012448 /* disable attentions */
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +000012449 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12450 port_of_path*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012451 (NIG_MASK_XGXS0_LINK_STATUS |
12452 NIG_MASK_XGXS0_LINK10G |
12453 NIG_MASK_SERDES0_LINK_STATUS |
12454 NIG_MASK_MI_INT));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012455
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012456 /* Need to take the phy out of low power mode in order
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012457 * to write to access its registers
12458 */
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012459 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012460 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12461 port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012462
12463 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012464 bnx2x_cl45_write(bp, &phy[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012465 MDIO_PMA_DEVAD,
12466 MDIO_PMA_REG_CTRL,
12467 1<<15);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012468 }
12469
12470 /* Add delay of 150ms after reset */
12471 msleep(150);
12472
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012473 if (phy[PORT_0].addr & 0x1) {
12474 phy_blk[PORT_0] = &(phy[PORT_1]);
12475 phy_blk[PORT_1] = &(phy[PORT_0]);
12476 } else {
12477 phy_blk[PORT_0] = &(phy[PORT_0]);
12478 phy_blk[PORT_1] = &(phy[PORT_1]);
12479 }
12480
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012481 /* PART2 - Download firmware to both phys */
12482 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012483 if (CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012484 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012485 else
12486 port_of_path = 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012487
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012488 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12489 phy_blk[port]->addr);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +000012490 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12491 port_of_path))
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012492 return -EINVAL;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012493
12494 /* Only set bit 10 = 1 (Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012495 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012496 MDIO_PMA_DEVAD,
12497 MDIO_PMA_REG_TX_POWER_DOWN, &val);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012498
12499 /* Phase1 of TX_POWER_DOWN reset */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012500 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012501 MDIO_PMA_DEVAD,
12502 MDIO_PMA_REG_TX_POWER_DOWN,
12503 (val | 1<<10));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012504 }
12505
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012506 /* Toggle Transmitter: Power down and then up with 600ms delay
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000012507 * between
12508 */
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012509 msleep(600);
12510
12511 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
12512 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Eilon Greensteinf5372252009-02-12 08:38:30 +000012513 /* Phase2 of POWER_DOWN_RESET */
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012514 /* Release bit 10 (Release Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012515 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012516 MDIO_PMA_DEVAD,
12517 MDIO_PMA_REG_TX_POWER_DOWN, &val);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012518
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012519 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012520 MDIO_PMA_DEVAD,
12521 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012522 msleep(15);
12523
12524 /* Read modify write the SPI-ROM version select register */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012525 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012526 MDIO_PMA_DEVAD,
12527 MDIO_PMA_REG_EDC_FFE_MAIN, &val);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012528 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012529 MDIO_PMA_DEVAD,
12530 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012531
12532 /* set GPIO2 back to LOW */
12533 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012534 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012535 }
12536 return 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012537}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012538static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
12539 u32 shmem_base_path[],
12540 u32 shmem2_base_path[], u8 phy_index,
12541 u32 chip_id)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012542{
12543 u32 val;
12544 s8 port;
12545 struct bnx2x_phy phy;
12546 /* Use port1 because of the static port-swap */
12547 /* Enable the module detection interrupt */
12548 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
12549 val |= ((1<<MISC_REGISTERS_GPIO_3)|
12550 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
12551 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
12552
Yaniv Rosner650154b2010-11-01 05:32:36 +000012553 bnx2x_ext_phy_hw_reset(bp, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012554 msleep(5);
12555 for (port = 0; port < PORT_MAX; port++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012556 u32 shmem_base, shmem2_base;
12557
12558 /* In E2, same phy is using for port0 of the two paths */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012559 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012560 shmem_base = shmem_base_path[0];
12561 shmem2_base = shmem2_base_path[0];
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012562 } else {
12563 shmem_base = shmem_base_path[port];
12564 shmem2_base = shmem2_base_path[port];
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012565 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012566 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012567 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012568 port, &phy) !=
12569 0) {
12570 DP(NETIF_MSG_LINK, "populate phy failed\n");
12571 return -EINVAL;
12572 }
12573
12574 /* Reset phy*/
12575 bnx2x_cl45_write(bp, &phy,
12576 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
12577
12578
12579 /* Set fault module detected LED on */
12580 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012581 MISC_REGISTERS_GPIO_HIGH,
12582 port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000012583 }
12584
12585 return 0;
12586}
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000012587static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
12588 u8 *io_gpio, u8 *io_port)
12589{
12590
12591 u32 phy_gpio_reset = REG_RD(bp, shmem_base +
12592 offsetof(struct shmem_region,
12593 dev_info.port_hw_config[PORT_0].default_cfg));
12594 switch (phy_gpio_reset) {
12595 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
12596 *io_gpio = 0;
12597 *io_port = 0;
12598 break;
12599 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
12600 *io_gpio = 1;
12601 *io_port = 0;
12602 break;
12603 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
12604 *io_gpio = 2;
12605 *io_port = 0;
12606 break;
12607 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
12608 *io_gpio = 3;
12609 *io_port = 0;
12610 break;
12611 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
12612 *io_gpio = 0;
12613 *io_port = 1;
12614 break;
12615 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
12616 *io_gpio = 1;
12617 *io_port = 1;
12618 break;
12619 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
12620 *io_gpio = 2;
12621 *io_port = 1;
12622 break;
12623 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
12624 *io_gpio = 3;
12625 *io_port = 1;
12626 break;
12627 default:
12628 /* Don't override the io_gpio and io_port */
12629 break;
12630 }
12631}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012632
12633static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
12634 u32 shmem_base_path[],
12635 u32 shmem2_base_path[], u8 phy_index,
12636 u32 chip_id)
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012637{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000012638 s8 port, reset_gpio;
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012639 u32 swap_val, swap_override;
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012640 struct bnx2x_phy phy[PORT_MAX];
12641 struct bnx2x_phy *phy_blk[PORT_MAX];
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012642 s8 port_of_path;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012643 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12644 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012645
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000012646 reset_gpio = MISC_REGISTERS_GPIO_1;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012647 port = 1;
12648
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012649 /* Retrieve the reset gpio/port which control the reset.
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000012650 * Default is GPIO1, PORT1
12651 */
12652 bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
12653 (u8 *)&reset_gpio, (u8 *)&port);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012654
12655 /* Calculate the port based on port swap */
12656 port ^= (swap_val && swap_override);
12657
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000012658 /* Initiate PHY reset*/
12659 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
12660 port);
12661 msleep(1);
12662 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12663 port);
12664
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012665 msleep(5);
12666
12667 /* PART1 - Reset both phys */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012668 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012669 u32 shmem_base, shmem2_base;
12670
12671 /* In E2, same phy is using for port0 of the two paths */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012672 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012673 shmem_base = shmem_base_path[0];
12674 shmem2_base = shmem2_base_path[0];
12675 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012676 } else {
12677 shmem_base = shmem_base_path[port];
12678 shmem2_base = shmem2_base_path[port];
12679 port_of_path = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012680 }
12681
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012682 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012683 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012684 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012685 0) {
12686 DP(NETIF_MSG_LINK, "populate phy failed\n");
12687 return -EINVAL;
12688 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012689 /* disable attentions */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012690 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12691 port_of_path*4,
12692 (NIG_MASK_XGXS0_LINK_STATUS |
12693 NIG_MASK_XGXS0_LINK10G |
12694 NIG_MASK_SERDES0_LINK_STATUS |
12695 NIG_MASK_MI_INT));
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012696
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012697
12698 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012699 bnx2x_cl45_write(bp, &phy[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012700 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012701 }
12702
12703 /* Add delay of 150ms after reset */
12704 msleep(150);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012705 if (phy[PORT_0].addr & 0x1) {
12706 phy_blk[PORT_0] = &(phy[PORT_1]);
12707 phy_blk[PORT_1] = &(phy[PORT_0]);
12708 } else {
12709 phy_blk[PORT_0] = &(phy[PORT_0]);
12710 phy_blk[PORT_1] = &(phy[PORT_1]);
12711 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012712 /* PART2 - Download firmware to both phys */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012713 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012714 if (CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012715 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012716 else
12717 port_of_path = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012718 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12719 phy_blk[port]->addr);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +000012720 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12721 port_of_path))
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012722 return -EINVAL;
Yaniv Rosner85242ee2011-07-05 01:06:53 +000012723 /* Disable PHY transmitter output */
12724 bnx2x_cl45_write(bp, phy_blk[port],
12725 MDIO_PMA_DEVAD,
12726 MDIO_PMA_REG_TX_DISABLE, 1);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012727
Yaniv Rosner5c99274b2011-01-18 04:33:36 +000012728 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012729 return 0;
12730}
12731
Yaniv Rosner521683d2011-11-28 00:49:48 +000012732static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
12733 u32 shmem_base_path[],
12734 u32 shmem2_base_path[],
12735 u8 phy_index,
12736 u32 chip_id)
12737{
12738 u8 reset_gpios;
Yaniv Rosner521683d2011-11-28 00:49:48 +000012739 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
12740 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
12741 udelay(10);
12742 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
12743 DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
12744 reset_gpios);
Yaniv Rosner521683d2011-11-28 00:49:48 +000012745 return 0;
12746}
12747
Yaniv Rosner11b2ec62012-01-17 02:33:25 +000012748static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
12749 struct bnx2x_phy *phy)
12750{
12751 u16 val, cnt;
12752 /* Wait for FW completing its initialization. */
12753 for (cnt = 0; cnt < 1500; cnt++) {
12754 bnx2x_cl45_read(bp, phy,
12755 MDIO_PMA_DEVAD,
12756 MDIO_PMA_REG_CTRL, &val);
12757 if (!(val & (1<<15)))
12758 break;
12759 msleep(1);
12760 }
12761 if (cnt >= 1500) {
12762 DP(NETIF_MSG_LINK, "84833 reset timeout\n");
12763 return -EINVAL;
12764 }
12765
12766 /* Put the port in super isolate mode. */
12767 bnx2x_cl45_read(bp, phy,
12768 MDIO_CTL_DEVAD,
12769 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
12770 val |= MDIO_84833_SUPER_ISOLATE;
12771 bnx2x_cl45_write(bp, phy,
12772 MDIO_CTL_DEVAD,
12773 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
12774
12775 /* Save spirom version */
12776 bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
12777 return 0;
12778}
12779
12780int bnx2x_pre_init_phy(struct bnx2x *bp,
12781 u32 shmem_base,
12782 u32 shmem2_base,
12783 u32 chip_id)
12784{
12785 int rc = 0;
12786 struct bnx2x_phy phy;
12787 bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
12788 if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
12789 PORT_0, &phy)) {
12790 DP(NETIF_MSG_LINK, "populate_phy failed\n");
12791 return -EINVAL;
12792 }
12793 switch (phy.type) {
12794 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12795 rc = bnx2x_84833_pre_init_phy(bp, &phy);
12796 break;
12797 default:
12798 break;
12799 }
12800 return rc;
12801}
Yaniv Rosner521683d2011-11-28 00:49:48 +000012802
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012803static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
12804 u32 shmem2_base_path[], u8 phy_index,
12805 u32 ext_phy_type, u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012806{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012807 int rc = 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012808
12809 switch (ext_phy_type) {
12810 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012811 rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
12812 shmem2_base_path,
12813 phy_index, chip_id);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012814 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +000012815 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012816 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
12817 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012818 rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
12819 shmem2_base_path,
12820 phy_index, chip_id);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012821 break;
12822
Eilon Greenstein589abe32009-02-12 08:36:55 +000012823 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012824 /* GPIO1 affects both ports, so there's need to pull
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000012825 * it for single port alone
12826 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012827 rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
12828 shmem2_base_path,
12829 phy_index, chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012830 break;
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000012831 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012832 /* GPIO3's are linked, and so both need to be toggled
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000012833 * to obtain required 2us pulse.
12834 */
Yaniv Rosner521683d2011-11-28 00:49:48 +000012835 rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
12836 shmem2_base_path,
12837 phy_index, chip_id);
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000012838 break;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012839 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
12840 rc = -EINVAL;
Yaniv Rosner4f60dab2009-11-05 19:18:23 +020012841 break;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012842 default:
12843 DP(NETIF_MSG_LINK,
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000012844 "ext_phy 0x%x common init not required\n",
12845 ext_phy_type);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012846 break;
12847 }
12848
Yaniv Rosner6d870c32011-01-31 04:22:20 +000012849 if (rc != 0)
12850 netdev_err(bp->dev, "Warning: PHY was not initialized,"
12851 " Port %d\n",
12852 0);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012853 return rc;
12854}
12855
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012856int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
12857 u32 shmem2_base_path[], u32 chip_id)
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012858{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012859 int rc = 0;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012860 u32 phy_ver, val;
12861 u8 phy_index = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012862 u32 ext_phy_type, ext_phy_config;
Yaniv Rosnera198c142011-05-31 21:29:42 +000012863 bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
12864 bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012865 DP(NETIF_MSG_LINK, "Begin common phy init\n");
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012866 if (CHIP_IS_E3(bp)) {
12867 /* Enable EPIO */
12868 val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
12869 REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
12870 }
Yaniv Rosnerb21a3422011-01-18 04:33:24 +000012871 /* Check if common init was already done */
12872 phy_ver = REG_RD(bp, shmem_base_path[0] +
12873 offsetof(struct shmem_region,
12874 port_mb[PORT_0].ext_phy_fw_version));
12875 if (phy_ver) {
12876 DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
12877 phy_ver);
12878 return 0;
12879 }
12880
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012881 /* Read the ext_phy_type for arbitrary port(0) */
12882 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
12883 phy_index++) {
12884 ext_phy_config = bnx2x_get_ext_phy_config(bp,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012885 shmem_base_path[0],
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012886 phy_index, 0);
12887 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012888 rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
12889 shmem2_base_path,
12890 phy_index, ext_phy_type,
12891 chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012892 }
12893 return rc;
12894}
12895
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012896static void bnx2x_check_over_curr(struct link_params *params,
12897 struct link_vars *vars)
12898{
12899 struct bnx2x *bp = params->bp;
12900 u32 cfg_pin;
12901 u8 port = params->port;
12902 u32 pin_val;
12903
12904 cfg_pin = (REG_RD(bp, params->shmem_base +
12905 offsetof(struct shmem_region,
12906 dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
12907 PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
12908 PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
12909
12910 /* Ignore check if no external input PIN available */
12911 if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
12912 return;
12913
12914 if (!pin_val) {
12915 if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
12916 netdev_err(bp->dev, "Error: Power fault on Port %d has"
12917 " been detected and the power to "
12918 "that SFP+ module has been removed"
12919 " to prevent failure of the card."
12920 " Please remove the SFP+ module and"
12921 " restart the system to clear this"
12922 " error.\n",
12923 params->port);
12924 vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
12925 }
12926 } else
12927 vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
12928}
12929
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000012930/* Returns 0 if no change occured since last check; 1 otherwise. */
12931static u8 bnx2x_analyze_link_error(struct link_params *params,
12932 struct link_vars *vars, u32 status,
12933 u32 phy_flag, u32 link_flag, u8 notify)
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012934{
12935 struct bnx2x *bp = params->bp;
12936 /* Compare new value with previous value */
12937 u8 led_mode;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000012938 u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012939
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000012940 if ((status ^ old_status) == 0)
12941 return 0;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012942
12943 /* If values differ */
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000012944 switch (phy_flag) {
12945 case PHY_HALF_OPEN_CONN_FLAG:
12946 DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
12947 break;
12948 case PHY_SFP_TX_FAULT_FLAG:
12949 DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
12950 break;
12951 default:
12952 DP(NETIF_MSG_LINK, "Analyze UNKOWN\n");
12953 }
12954 DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
12955 old_status, status);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012956
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012957 /* a. Update shmem->link_status accordingly
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012958 * b. Update link_vars->link_up
12959 */
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000012960 if (status) {
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012961 vars->link_status &= ~LINK_STATUS_LINK_UP;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000012962 vars->link_status |= link_flag;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012963 vars->link_up = 0;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000012964 vars->phy_flags |= phy_flag;
Yaniv Rosner55098c52012-04-03 18:41:27 +000012965
12966 /* activate nig drain */
12967 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000012968 /* Set LED mode to off since the PHY doesn't know about these
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012969 * errors
12970 */
12971 led_mode = LED_MODE_OFF;
12972 } else {
12973 vars->link_status |= LINK_STATUS_LINK_UP;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000012974 vars->link_status &= ~link_flag;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012975 vars->link_up = 1;
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000012976 vars->phy_flags &= ~phy_flag;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012977 led_mode = LED_MODE_OPER;
Yaniv Rosner55098c52012-04-03 18:41:27 +000012978
12979 /* Clear nig drain */
12980 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012981 }
Yaniv Rosner55098c52012-04-03 18:41:27 +000012982 bnx2x_sync_link(params, vars);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012983 /* Update the LED according to the link state */
12984 bnx2x_set_led(params, vars, led_mode, SPEED_10000);
12985
12986 /* Update link status in the shared memory */
12987 bnx2x_update_mng(params, vars->link_status);
12988
12989 /* C. Trigger General Attention */
12990 vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
Yaniv Rosner55098c52012-04-03 18:41:27 +000012991 if (notify)
12992 bnx2x_notify_link_changed(bp);
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000012993
12994 return 1;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012995}
12996
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000012997/******************************************************************************
12998* Description:
12999* This function checks for half opened connection change indication.
13000* When such change occurs, it calls the bnx2x_analyze_link_error
13001* to check if Remote Fault is set or cleared. Reception of remote fault
13002* status message in the MAC indicates that the peer's MAC has detected
13003* a fault, for example, due to break in the TX side of fiber.
13004*
13005******************************************************************************/
Yaniv Rosner55098c52012-04-03 18:41:27 +000013006int bnx2x_check_half_open_conn(struct link_params *params,
13007 struct link_vars *vars,
13008 u8 notify)
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013009{
13010 struct bnx2x *bp = params->bp;
13011 u32 lss_status = 0;
13012 u32 mac_base;
13013 /* In case link status is physically up @ 10G do */
Yaniv Rosner55098c52012-04-03 18:41:27 +000013014 if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
13015 (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
13016 return 0;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013017
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013018 if (CHIP_IS_E3(bp) &&
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013019 (REG_RD(bp, MISC_REG_RESET_REG_2) &
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013020 (MISC_REGISTERS_RESET_REG_2_XMAC))) {
13021 /* Check E3 XMAC */
Yaniv Rosner8f73f0b2012-04-03 18:41:31 +000013022 /* Note that link speed cannot be queried here, since it may be
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013023 * zero while link is down. In case UMAC is active, LSS will
13024 * simply not be set
13025 */
13026 mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
13027
13028 /* Clear stick bits (Requires rising edge) */
13029 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
13030 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
13031 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
13032 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
13033 if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
13034 lss_status = 1;
13035
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013036 bnx2x_analyze_link_error(params, vars, lss_status,
13037 PHY_HALF_OPEN_CONN_FLAG,
13038 LINK_STATUS_NONE, notify);
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013039 } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
13040 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013041 /* Check E1X / E2 BMAC */
13042 u32 lss_status_reg;
13043 u32 wb_data[2];
13044 mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
13045 NIG_REG_INGRESS_BMAC0_MEM;
13046 /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
13047 if (CHIP_IS_E2(bp))
13048 lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
13049 else
13050 lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
13051
13052 REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
13053 lss_status = (wb_data[0] > 0);
13054
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013055 bnx2x_analyze_link_error(params, vars, lss_status,
13056 PHY_HALF_OPEN_CONN_FLAG,
13057 LINK_STATUS_NONE, notify);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013058 }
Yaniv Rosner55098c52012-04-03 18:41:27 +000013059 return 0;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013060}
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013061static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
13062 struct link_params *params,
13063 struct link_vars *vars)
13064{
13065 struct bnx2x *bp = params->bp;
13066 u32 cfg_pin, value = 0;
13067 u8 led_change, port = params->port;
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013068
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013069 /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
13070 cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
13071 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
13072 PORT_HW_CFG_E3_TX_FAULT_MASK) >>
13073 PORT_HW_CFG_E3_TX_FAULT_SHIFT;
13074
13075 if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
13076 DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
13077 return;
13078 }
13079
13080 led_change = bnx2x_analyze_link_error(params, vars, value,
13081 PHY_SFP_TX_FAULT_FLAG,
13082 LINK_STATUS_SFP_TX_FAULT, 1);
13083
13084 if (led_change) {
13085 /* Change TX_Fault led, set link status for further syncs */
13086 u8 led_mode;
13087
13088 if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
13089 led_mode = MISC_REGISTERS_GPIO_HIGH;
13090 vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
13091 } else {
13092 led_mode = MISC_REGISTERS_GPIO_LOW;
13093 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13094 }
13095
13096 /* If module is unapproved, led should be on regardless */
13097 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
13098 DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
13099 led_mode);
13100 bnx2x_set_e3_module_fault_led(params, led_mode);
13101 }
13102 }
13103}
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013104void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
13105{
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013106 u16 phy_idx;
Yaniv Rosner55098c52012-04-03 18:41:27 +000013107 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013108 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
13109 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
13110 bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
Yaniv Rosner55098c52012-04-03 18:41:27 +000013111 if (bnx2x_check_half_open_conn(params, vars, 1) !=
13112 0)
13113 DP(NETIF_MSG_LINK, "Fault detection failed\n");
Yaniv Rosnerde6f3372011-08-02 22:59:25 +000013114 break;
13115 }
13116 }
13117
Yaniv Rosnera9077bf2011-10-27 05:09:46 +000013118 if (CHIP_IS_E3(bp)) {
13119 struct bnx2x_phy *phy = &params->phy[INT_PHY];
13120 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013121 bnx2x_check_over_curr(params, vars);
Yuval Mintzd0b8a6f2012-06-20 19:05:18 +000013122 if (vars->rx_tx_asic_rst)
13123 bnx2x_warpcore_config_runtime(phy, params, vars);
13124
13125 if ((REG_RD(bp, params->shmem_base +
13126 offsetof(struct shmem_region, dev_info.
13127 port_hw_config[params->port].default_cfg))
13128 & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
13129 PORT_HW_CFG_NET_SERDES_IF_SFI) {
13130 if (bnx2x_is_sfp_module_plugged(phy, params)) {
13131 bnx2x_sfp_tx_fault_detection(phy, params, vars);
13132 } else if (vars->link_status &
13133 LINK_STATUS_SFP_TX_FAULT) {
13134 /* Clean trail, interrupt corrects the leds */
13135 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13136 vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
13137 /* Update link status in the shared memory */
13138 bnx2x_update_mng(params, vars->link_status);
13139 }
13140 }
13141
Yaniv Rosnera9077bf2011-10-27 05:09:46 +000013142 }
13143
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013144}
13145
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013146u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000013147{
13148 u8 phy_index;
13149 struct bnx2x_phy phy;
13150 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
13151 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013152 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000013153 0, &phy) != 0) {
13154 DP(NETIF_MSG_LINK, "populate phy failed\n");
13155 return 0;
13156 }
13157
13158 if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
13159 return 1;
13160 }
13161 return 0;
13162}
13163
13164u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
13165 u32 shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013166 u32 shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000013167 u8 port)
13168{
13169 u8 phy_index, fan_failure_det_req = 0;
13170 struct bnx2x_phy phy;
13171 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13172 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +000013173 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000013174 port, &phy)
13175 != 0) {
13176 DP(NETIF_MSG_LINK, "populate phy failed\n");
13177 return 0;
13178 }
13179 fan_failure_det_req |= (phy.flags &
13180 FLAGS_FAN_FAILURE_DET_REQ);
13181 }
13182 return fan_failure_det_req;
13183}
13184
13185void bnx2x_hw_reset_phy(struct link_params *params)
13186{
13187 u8 phy_index;
Yaniv Rosner985848f2011-07-05 01:06:48 +000013188 struct bnx2x *bp = params->bp;
13189 bnx2x_update_mng(params, 0);
13190 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
13191 (NIG_MASK_XGXS0_LINK_STATUS |
13192 NIG_MASK_XGXS0_LINK10G |
13193 NIG_MASK_SERDES0_LINK_STATUS |
13194 NIG_MASK_MI_INT));
13195
13196 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000013197 phy_index++) {
13198 if (params->phy[phy_index].hw_reset) {
13199 params->phy[phy_index].hw_reset(
13200 &params->phy[phy_index],
13201 params);
13202 params->phy[phy_index] = phy_null;
13203 }
13204 }
13205}
Yaniv Rosner020c7e32011-05-31 21:28:43 +000013206
13207void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
13208 u32 chip_id, u32 shmem_base, u32 shmem2_base,
13209 u8 port)
13210{
13211 u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
13212 u32 val;
13213 u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000013214 if (CHIP_IS_E3(bp)) {
13215 if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
13216 shmem_base,
13217 port,
13218 &gpio_num,
13219 &gpio_port) != 0)
13220 return;
13221 } else {
Yaniv Rosner020c7e32011-05-31 21:28:43 +000013222 struct bnx2x_phy phy;
13223 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13224 phy_index++) {
13225 if (bnx2x_populate_phy(bp, phy_index, shmem_base,
13226 shmem2_base, port, &phy)
13227 != 0) {
13228 DP(NETIF_MSG_LINK, "populate phy failed\n");
13229 return;
13230 }
13231 if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
13232 gpio_num = MISC_REGISTERS_GPIO_3;
13233 gpio_port = port;
13234 break;
13235 }
13236 }
13237 }
13238
13239 if (gpio_num == 0xff)
13240 return;
13241
13242 /* Set GPIO3 to trigger SFP+ module insertion/removal */
13243 bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
13244
13245 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13246 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13247 gpio_port ^= (swap_val && swap_override);
13248
13249 vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
13250 (gpio_num + (gpio_port << 2));
13251
13252 sync_offset = shmem_base +
13253 offsetof(struct shmem_region,
13254 dev_info.port_hw_config[port].aeu_int_mask);
13255 REG_WR(bp, sync_offset, vars->aeu_int_mask);
13256
13257 DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
13258 gpio_num, gpio_port, vars->aeu_int_mask);
13259
13260 if (port == 0)
13261 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
13262 else
13263 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
13264
13265 /* Open appropriate AEU for interrupts */
13266 aeu_mask = REG_RD(bp, offset);
13267 aeu_mask |= vars->aeu_int_mask;
13268 REG_WR(bp, offset, aeu_mask);
13269
13270 /* Enable the GPIO to trigger interrupt */
13271 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
13272 val |= 1 << (gpio_num + (gpio_port << 2));
13273 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
13274}