bnx2x: half duplex support added for several boards
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / net / ethernet / broadcom / bnx2x / bnx2x_link.c
CommitLineData
85b26ea1 1/* Copyright 2008-2012 Broadcom Corporation
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2 *
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
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17#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
18
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19#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>
ea4e040a 26
ea4e040a 27#include "bnx2x.h"
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28#include "bnx2x_cmn.h"
29
ea4e040a 30/********************************************************/
3196a88a 31#define ETH_HLEN 14
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32/* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
33#define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
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34#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
cd88ccee 38#define BMAC_CONTROL_RX_ENABLE 2
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39#define WC_LANE_MAX 4
40#define I2C_SWITCH_WIDTH 2
41#define I2C_BSC0 0
42#define I2C_BSC1 1
43#define I2C_WA_RETRY_CNT 3
44#define MCPR_IMC_COMMAND_READ_OP 1
45#define MCPR_IMC_COMMAND_WRITE_OP 2
ea4e040a 46
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47/* LED Blink rate that will achieve ~15.9Hz */
48#define LED_BLINK_RATE_VAL_E3 354
49#define LED_BLINK_RATE_VAL_E1X_E2 480
ea4e040a 50/***********************************************************/
3196a88a 51/* Shortcut definitions */
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52/***********************************************************/
53
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54#define NIG_LATCH_BC_ENABLE_MI_INT 0
55
56#define NIG_STATUS_EMAC0_MI_INT \
57 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
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58#define NIG_STATUS_XGXS0_LINK10G \
59 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
60#define NIG_STATUS_XGXS0_LINK_STATUS \
61 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
62#define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
63 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
64#define NIG_STATUS_SERDES0_LINK_STATUS \
65 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
66#define NIG_MASK_MI_INT \
67 NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
68#define NIG_MASK_XGXS0_LINK10G \
69 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
70#define NIG_MASK_XGXS0_LINK_STATUS \
71 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
72#define NIG_MASK_SERDES0_LINK_STATUS \
73 NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
74
75#define MDIO_AN_CL73_OR_37_COMPLETE \
76 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
77 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
78
79#define XGXS_RESET_BITS \
80 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
81 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
82 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
83 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
84 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
85
86#define SERDES_RESET_BITS \
87 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
88 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
89 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
90 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
91
92#define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
93#define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
cd88ccee 94#define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
3196a88a 95#define AUTONEG_PARALLEL \
ea4e040a 96 SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
3196a88a 97#define AUTONEG_SGMII_FIBER_AUTODET \
ea4e040a 98 SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
3196a88a 99#define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
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100
101#define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
102 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
103#define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
104 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
105#define GP_STATUS_SPEED_MASK \
106 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
107#define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
108#define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
109#define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
110#define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
111#define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
112#define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
113#define GP_STATUS_10G_HIG \
114 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
115#define GP_STATUS_10G_CX4 \
116 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
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117#define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
118#define GP_STATUS_10G_KX4 \
119 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
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120#define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
121#define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
122#define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
123#define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
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124#define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
125#define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
ea4e040a 126#define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
cd88ccee 127#define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
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128#define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
129#define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
130#define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
131#define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
132#define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
133#define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
134#define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
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135#define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
136#define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
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137#define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
138#define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
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139
140
141
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142/* */
143#define SFP_EEPROM_CON_TYPE_ADDR 0x2
cd88ccee 144 #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
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145 #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
146
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147
148#define SFP_EEPROM_COMP_CODE_ADDR 0x3
149 #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
150 #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
151 #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
152
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153#define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
154 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
cd88ccee 155 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
4d295db0 156
cd88ccee 157#define SFP_EEPROM_OPTIONS_ADDR 0x40
589abe3a 158 #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
cd88ccee 159#define SFP_EEPROM_OPTIONS_SIZE 2
589abe3a 160
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161#define EDC_MODE_LINEAR 0x0022
162#define EDC_MODE_LIMITING 0x0044
163#define EDC_MODE_PASSIVE_DAC 0x0055
4d295db0 164
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165/* BRB default for class 0 E2 */
166#define DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR 170
167#define DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR 250
168#define DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR 10
169#define DEFAULT0_E2_BRB_MAC_FULL_XON_THR 50
4d295db0 170
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171/* BRB thresholds for E2*/
172#define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
173#define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
174
175#define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
176#define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
177
178#define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
179#define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
180
181#define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
182#define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
183
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184/* BRB default for class 0 E3A0 */
185#define DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR 290
186#define DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR 410
187#define DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR 10
188#define DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR 50
189
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190/* BRB thresholds for E3A0 */
191#define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
192#define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
193
194#define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
195#define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
196
197#define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
198#define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
199
200#define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
201#define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
202
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203/* BRB default for E3B0 */
204#define DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR 330
205#define DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR 490
206#define DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR 15
207#define DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR 55
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208
209/* BRB thresholds for E3B0 2 port mode*/
210#define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
211#define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
212
213#define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
214#define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
215
216#define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
217#define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
218
219#define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
220#define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
221
222/* only for E3B0*/
223#define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
224#define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
225
226/* Lossy +Lossless GUARANTIED == GUART */
227#define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
228/* Lossless +Lossless*/
229#define PFC_E3B0_2P_PAUSE_LB_GUART 236
230/* Lossy +Lossy*/
231#define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
232
233/* Lossy +Lossless*/
234#define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
235/* Lossless +Lossless*/
236#define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
237/* Lossy +Lossy*/
238#define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
239#define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
240
241#define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
242#define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
243
244/* BRB thresholds for E3B0 4 port mode */
245#define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
246#define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
247
248#define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
249#define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
250
251#define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
252#define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
253
254#define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
255#define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
256
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257/* only for E3B0*/
258#define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
259#define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
2f751a80 260#define PFC_E3B0_4P_LB_GUART 120
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261
262#define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
2f751a80 263#define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
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264
265#define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
2f751a80 266#define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
9380bb9e 267
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268/* Pause defines*/
269#define DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR 330
270#define DEFAULT_E3B0_BRB_FULL_LB_XON_THR 490
271#define DEFAULT_E3B0_LB_GUART 40
272
273#define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART 40
274#define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST 0
275
276#define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART 40
277#define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST 0
278
279/* ETS defines*/
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280#define DCBX_INVALID_COS (0xFF)
281
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282#define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
283#define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
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284#define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
285#define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
286#define ETS_E3B0_PBF_MIN_W_VAL (10000)
287
288#define MAX_PACKET_SIZE (9700)
3c9ada22 289#define WC_UC_TIMEOUT 100
a9077bfd 290#define MAX_KR_LINK_RETRY 4
9380bb9e 291
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292/**********************************************************/
293/* INTERFACE */
294/**********************************************************/
e10bc84d 295
cd2be89b 296#define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
e10bc84d 297 bnx2x_cl45_write(_bp, _phy, \
7aa0711f 298 (_phy)->def_md_devad, \
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299 (_bank + (_addr & 0xf)), \
300 _val)
301
cd2be89b 302#define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
e10bc84d 303 bnx2x_cl45_read(_bp, _phy, \
7aa0711f 304 (_phy)->def_md_devad, \
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305 (_bank + (_addr & 0xf)), \
306 _val)
307
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308static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
309{
310 u32 val = REG_RD(bp, reg);
311
312 val |= bits;
313 REG_WR(bp, reg, val);
314 return val;
315}
316
317static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
318{
319 u32 val = REG_RD(bp, reg);
320
321 val &= ~bits;
322 REG_WR(bp, reg, val);
323 return val;
324}
325
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326/******************************************************************/
327/* EPIO/GPIO section */
328/******************************************************************/
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329static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
330{
331 u32 epio_mask, gp_oenable;
332 *en = 0;
333 /* Sanity check */
334 if (epio_pin > 31) {
335 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
336 return;
337 }
338
339 epio_mask = 1 << epio_pin;
340 /* Set this EPIO to output */
341 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
342 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
343
344 *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
345}
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346static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
347{
348 u32 epio_mask, gp_output, gp_oenable;
349
350 /* Sanity check */
351 if (epio_pin > 31) {
352 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
353 return;
354 }
355 DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
356 epio_mask = 1 << epio_pin;
357 /* Set this EPIO to output */
358 gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
359 if (en)
360 gp_output |= epio_mask;
361 else
362 gp_output &= ~epio_mask;
363
364 REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
365
366 /* Set the value for this EPIO */
367 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
368 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
369}
370
371static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
372{
373 if (pin_cfg == PIN_CFG_NA)
374 return;
375 if (pin_cfg >= PIN_CFG_EPIO0) {
376 bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
377 } else {
378 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
379 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
380 bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
381 }
382}
383
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384static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
385{
386 if (pin_cfg == PIN_CFG_NA)
387 return -EINVAL;
388 if (pin_cfg >= PIN_CFG_EPIO0) {
389 bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
390 } else {
391 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
392 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
393 *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
394 }
395 return 0;
396
397}
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398/******************************************************************/
399/* ETS section */
400/******************************************************************/
6c3218c6 401static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
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402{
403 /* ETS disabled configuration*/
404 struct bnx2x *bp = params->bp;
405
6c3218c6 406 DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
bcab15c5 407
2cf7acf9 408 /*
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409 * mapping between entry priority to client number (0,1,2 -debug and
410 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
411 * 3bits client num.
412 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
413 * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
414 */
415
416 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
2cf7acf9 417 /*
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418 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
419 * as strict. Bits 0,1,2 - debug and management entries, 3 -
420 * COS0 entry, 4 - COS1 entry.
421 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
422 * bit4 bit3 bit2 bit1 bit0
423 * MCP and debug are strict
424 */
425
426 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
427 /* defines which entries (clients) are subjected to WFQ arbitration */
428 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
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429 /*
430 * For strict priority entries defines the number of consecutive
431 * slots for the highest priority.
432 */
bcab15c5 433 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
2cf7acf9 434 /*
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435 * mapping between the CREDIT_WEIGHT registers and actual client
436 * numbers
437 */
438 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
439 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
440 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
441
442 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
443 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
444 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
445 /* ETS mode disable */
446 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
2cf7acf9 447 /*
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448 * If ETS mode is enabled (there is no strict priority) defines a WFQ
449 * weight for COS0/COS1.
450 */
451 REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
452 REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
453 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
454 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
455 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
456 /* Defines the number of consecutive slots for the strict priority */
457 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
458}
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459/******************************************************************************
460* Description:
461* Getting min_w_val will be set according to line speed .
462*.
463******************************************************************************/
464static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
465{
466 u32 min_w_val = 0;
467 /* Calculate min_w_val.*/
468 if (vars->link_up) {
de0396f4 469 if (vars->line_speed == SPEED_20000)
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470 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
471 else
472 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
473 } else
474 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
475 /**
476 * If the link isn't up (static configuration for example ) The
477 * link will be according to 20GBPS.
478 */
479 return min_w_val;
480}
481/******************************************************************************
482* Description:
483* Getting credit upper bound form min_w_val.
484*.
485******************************************************************************/
486static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
487{
488 const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
489 MAX_PACKET_SIZE);
490 return credit_upper_bound;
491}
492/******************************************************************************
493* Description:
494* Set credit upper bound for NIG.
495*.
496******************************************************************************/
497static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
498 const struct link_params *params,
499 const u32 min_w_val)
500{
501 struct bnx2x *bp = params->bp;
502 const u8 port = params->port;
503 const u32 credit_upper_bound =
504 bnx2x_ets_get_credit_upper_bound(min_w_val);
505
506 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
507 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
508 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
509 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
510 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
511 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
512 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
513 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
514 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
515 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
516 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
517 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
518
de0396f4 519 if (!port) {
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520 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
521 credit_upper_bound);
522 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
523 credit_upper_bound);
524 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
525 credit_upper_bound);
526 }
527}
528/******************************************************************************
529* Description:
530* Will return the NIG ETS registers to init values.Except
531* credit_upper_bound.
532* That isn't used in this configuration (No WFQ is enabled) and will be
533* configured acording to spec
534*.
535******************************************************************************/
536static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
537 const struct link_vars *vars)
538{
539 struct bnx2x *bp = params->bp;
540 const u8 port = params->port;
541 const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
542 /**
543 * mapping between entry priority to client number (0,1,2 -debug and
544 * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
545 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
546 * reset value or init tool
547 */
548 if (port) {
549 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
550 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
551 } else {
552 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
553 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
554 }
555 /**
556 * For strict priority entries defines the number of consecutive
557 * slots for the highest priority.
558 */
559 /* TODO_ETS - Should be done by reset value or init tool */
560 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
561 NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
562 /**
563 * mapping between the CREDIT_WEIGHT registers and actual client
564 * numbers
565 */
566 /* TODO_ETS - Should be done by reset value or init tool */
567 if (port) {
568 /*Port 1 has 6 COS*/
569 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
570 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
571 } else {
572 /*Port 0 has 9 COS*/
573 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
574 0x43210876);
575 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
576 }
577
578 /**
579 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
580 * as strict. Bits 0,1,2 - debug and management entries, 3 -
581 * COS0 entry, 4 - COS1 entry.
582 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
583 * bit4 bit3 bit2 bit1 bit0
584 * MCP and debug are strict
585 */
586 if (port)
587 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
588 else
589 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
590 /* defines which entries (clients) are subjected to WFQ arbitration */
591 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
592 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
593
594 /**
595 * Please notice the register address are note continuous and a
596 * for here is note appropriate.In 2 port mode port0 only COS0-5
597 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
598 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
599 * are never used for WFQ
600 */
601 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
602 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
603 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
604 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
605 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
606 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
607 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
608 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
609 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
610 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
611 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
612 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
de0396f4 613 if (!port) {
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614 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
615 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
616 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
617 }
618
619 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
620}
621/******************************************************************************
622* Description:
623* Set credit upper bound for PBF.
624*.
625******************************************************************************/
626static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
627 const struct link_params *params,
628 const u32 min_w_val)
629{
630 struct bnx2x *bp = params->bp;
631 const u32 credit_upper_bound =
632 bnx2x_ets_get_credit_upper_bound(min_w_val);
633 const u8 port = params->port;
634 u32 base_upper_bound = 0;
635 u8 max_cos = 0;
636 u8 i = 0;
637 /**
638 * In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
639 * port mode port1 has COS0-2 that can be used for WFQ.
640 */
de0396f4 641 if (!port) {
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642 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
643 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
644 } else {
645 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
646 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
647 }
648
649 for (i = 0; i < max_cos; i++)
650 REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
651}
652
653/******************************************************************************
654* Description:
655* Will return the PBF ETS registers to init values.Except
656* credit_upper_bound.
657* That isn't used in this configuration (No WFQ is enabled) and will be
658* configured acording to spec
659*.
660******************************************************************************/
661static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
662{
663 struct bnx2x *bp = params->bp;
664 const u8 port = params->port;
665 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
666 u8 i = 0;
667 u32 base_weight = 0;
668 u8 max_cos = 0;
669
670 /**
671 * mapping between entry priority to client number 0 - COS0
672 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
673 * TODO_ETS - Should be done by reset value or init tool
674 */
675 if (port)
676 /* 0x688 (|011|0 10|00 1|000) */
677 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
678 else
679 /* (10 1|100 |011|0 10|00 1|000) */
680 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
681
682 /* TODO_ETS - Should be done by reset value or init tool */
683 if (port)
684 /* 0x688 (|011|0 10|00 1|000)*/
685 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
686 else
687 /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
688 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
689
690 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
691 PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
692
693
694 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
695 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
696
697 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
698 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
699 /**
700 * In 2 port mode port0 has COS0-5 that can be used for WFQ.
701 * In 4 port mode port1 has COS0-2 that can be used for WFQ.
702 */
de0396f4 703 if (!port) {
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704 base_weight = PBF_REG_COS0_WEIGHT_P0;
705 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
706 } else {
707 base_weight = PBF_REG_COS0_WEIGHT_P1;
708 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
709 }
710
711 for (i = 0; i < max_cos; i++)
712 REG_WR(bp, base_weight + (0x4 * i), 0);
713
714 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
715}
716/******************************************************************************
717* Description:
718* E3B0 disable will return basicly the values to init values.
719*.
720******************************************************************************/
721static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
722 const struct link_vars *vars)
723{
724 struct bnx2x *bp = params->bp;
725
726 if (!CHIP_IS_E3B0(bp)) {
94f05b0f
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727 DP(NETIF_MSG_LINK,
728 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
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729 return -EINVAL;
730 }
731
732 bnx2x_ets_e3b0_nig_disabled(params, vars);
733
734 bnx2x_ets_e3b0_pbf_disabled(params);
735
736 return 0;
737}
738
739/******************************************************************************
740* Description:
741* Disable will return basicly the values to init values.
742*.
743******************************************************************************/
744int bnx2x_ets_disabled(struct link_params *params,
745 struct link_vars *vars)
746{
747 struct bnx2x *bp = params->bp;
748 int bnx2x_status = 0;
749
750 if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
751 bnx2x_ets_e2e3a0_disabled(params);
752 else if (CHIP_IS_E3B0(bp))
753 bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
754 else {
755 DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
756 return -EINVAL;
757 }
758
759 return bnx2x_status;
760}
761
762/******************************************************************************
763* Description
764* Set the COS mappimg to SP and BW until this point all the COS are not
765* set as SP or BW.
766******************************************************************************/
767static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
768 const struct bnx2x_ets_params *ets_params,
769 const u8 cos_sp_bitmap,
770 const u8 cos_bw_bitmap)
771{
772 struct bnx2x *bp = params->bp;
773 const u8 port = params->port;
774 const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
775 const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
776 const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
777 const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
778
779 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
780 NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
781
782 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
783 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
bcab15c5 784
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785 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
786 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
787 nig_cli_subject2wfq_bitmap);
788
789 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
790 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
791 pbf_cli_subject2wfq_bitmap);
792
793 return 0;
794}
795
796/******************************************************************************
797* Description:
798* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
799* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
800******************************************************************************/
801static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
802 const u8 cos_entry,
803 const u32 min_w_val_nig,
804 const u32 min_w_val_pbf,
805 const u16 total_bw,
806 const u8 bw,
807 const u8 port)
808{
809 u32 nig_reg_adress_crd_weight = 0;
810 u32 pbf_reg_adress_crd_weight = 0;
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811 /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
812 const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
813 const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
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814
815 switch (cos_entry) {
816 case 0:
817 nig_reg_adress_crd_weight =
818 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
819 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
820 pbf_reg_adress_crd_weight = (port) ?
821 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
822 break;
823 case 1:
824 nig_reg_adress_crd_weight = (port) ?
825 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
826 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
827 pbf_reg_adress_crd_weight = (port) ?
828 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
829 break;
830 case 2:
831 nig_reg_adress_crd_weight = (port) ?
832 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
833 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
834
835 pbf_reg_adress_crd_weight = (port) ?
836 PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
837 break;
838 case 3:
839 if (port)
840 return -EINVAL;
841 nig_reg_adress_crd_weight =
842 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
843 pbf_reg_adress_crd_weight =
844 PBF_REG_COS3_WEIGHT_P0;
845 break;
846 case 4:
847 if (port)
848 return -EINVAL;
849 nig_reg_adress_crd_weight =
850 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
851 pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
852 break;
853 case 5:
854 if (port)
855 return -EINVAL;
856 nig_reg_adress_crd_weight =
857 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
858 pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
859 break;
860 }
861
862 REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
863
864 REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
865
866 return 0;
867}
868/******************************************************************************
869* Description:
870* Calculate the total BW.A value of 0 isn't legal.
871*.
872******************************************************************************/
873static int bnx2x_ets_e3b0_get_total_bw(
874 const struct link_params *params,
870516e1 875 struct bnx2x_ets_params *ets_params,
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876 u16 *total_bw)
877{
878 struct bnx2x *bp = params->bp;
879 u8 cos_idx = 0;
870516e1 880 u8 is_bw_cos_exist = 0;
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881
882 *total_bw = 0 ;
870516e1 883
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884 /* Calculate total BW requested */
885 for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
de0396f4 886 if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
870516e1
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887 is_bw_cos_exist = 1;
888 if (!ets_params->cos[cos_idx].params.bw_params.bw) {
889 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
890 "was set to 0\n");
891 /*
892 * This is to prevent a state when ramrods
893 * can't be sent
894 */
895 ets_params->cos[cos_idx].params.bw_params.bw
896 = 1;
897 }
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898 *total_bw +=
899 ets_params->cos[cos_idx].params.bw_params.bw;
6c3218c6 900 }
6c3218c6
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901 }
902
c482e6c0 903 /* Check total BW is valid */
de0396f4
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904 if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
905 if (*total_bw == 0) {
94f05b0f 906 DP(NETIF_MSG_LINK,
2f751a80 907 "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
6c3218c6
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908 return -EINVAL;
909 }
94f05b0f 910 DP(NETIF_MSG_LINK,
2f751a80
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911 "bnx2x_ets_E3B0_config total BW should be 100\n");
912 /*
913 * We can handle a case whre the BW isn't 100 this can happen
914 * if the TC are joined.
915 */
6c3218c6
YR
916 }
917 return 0;
918}
919
920/******************************************************************************
921* Description:
922* Invalidate all the sp_pri_to_cos.
923*.
924******************************************************************************/
925static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
926{
927 u8 pri = 0;
928 for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
929 sp_pri_to_cos[pri] = DCBX_INVALID_COS;
930}
931/******************************************************************************
932* Description:
933* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
934* according to sp_pri_to_cos.
935*.
936******************************************************************************/
937static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
938 u8 *sp_pri_to_cos, const u8 pri,
939 const u8 cos_entry)
940{
941 struct bnx2x *bp = params->bp;
942 const u8 port = params->port;
943 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
944 DCBX_E3B0_MAX_NUM_COS_PORT0;
945
de0396f4 946 if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
6c3218c6 947 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
94f05b0f 948 "parameter There can't be two COS's with "
6c3218c6
YR
949 "the same strict pri\n");
950 return -EINVAL;
951 }
952
953 if (pri > max_num_of_cos) {
94f05b0f 954 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
2f751a80 955 "parameter Illegal strict priority\n");
6c3218c6
YR
956 return -EINVAL;
957 }
958
959 sp_pri_to_cos[pri] = cos_entry;
960 return 0;
961
962}
963
964/******************************************************************************
965* Description:
966* Returns the correct value according to COS and priority in
967* the sp_pri_cli register.
968*.
969******************************************************************************/
970static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
971 const u8 pri_set,
972 const u8 pri_offset,
973 const u8 entry_size)
974{
975 u64 pri_cli_nig = 0;
976 pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
977 (pri_set + pri_offset));
978
979 return pri_cli_nig;
980}
981/******************************************************************************
982* Description:
983* Returns the correct value according to COS and priority in the
984* sp_pri_cli register for NIG.
985*.
986******************************************************************************/
987static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
988{
989 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
990 const u8 nig_cos_offset = 3;
991 const u8 nig_pri_offset = 3;
992
993 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
994 nig_pri_offset, 4);
995
996}
997/******************************************************************************
998* Description:
999* Returns the correct value according to COS and priority in the
1000* sp_pri_cli register for PBF.
1001*.
1002******************************************************************************/
1003static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
1004{
1005 const u8 pbf_cos_offset = 0;
1006 const u8 pbf_pri_offset = 0;
1007
1008 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
1009 pbf_pri_offset, 3);
1010
1011}
1012
1013/******************************************************************************
1014* Description:
1015* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
1016* according to sp_pri_to_cos.(which COS has higher priority)
1017*.
1018******************************************************************************/
1019static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
1020 u8 *sp_pri_to_cos)
1021{
1022 struct bnx2x *bp = params->bp;
1023 u8 i = 0;
1024 const u8 port = params->port;
1025 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
1026 u64 pri_cli_nig = 0x210;
1027 u32 pri_cli_pbf = 0x0;
1028 u8 pri_set = 0;
1029 u8 pri_bitmask = 0;
1030 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1031 DCBX_E3B0_MAX_NUM_COS_PORT0;
1032
1033 u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
1034
1035 /* Set all the strict priority first */
1036 for (i = 0; i < max_num_of_cos; i++) {
de0396f4
YR
1037 if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
1038 if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
6c3218c6
YR
1039 DP(NETIF_MSG_LINK,
1040 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1041 "invalid cos entry\n");
1042 return -EINVAL;
1043 }
1044
1045 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1046 sp_pri_to_cos[i], pri_set);
1047
1048 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1049 sp_pri_to_cos[i], pri_set);
1050 pri_bitmask = 1 << sp_pri_to_cos[i];
1051 /* COS is used remove it from bitmap.*/
de0396f4 1052 if (!(pri_bitmask & cos_bit_to_set)) {
6c3218c6
YR
1053 DP(NETIF_MSG_LINK,
1054 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1055 "invalid There can't be two COS's with"
1056 " the same strict pri\n");
1057 return -EINVAL;
1058 }
1059 cos_bit_to_set &= ~pri_bitmask;
1060 pri_set++;
1061 }
1062 }
1063
1064 /* Set all the Non strict priority i= COS*/
1065 for (i = 0; i < max_num_of_cos; i++) {
1066 pri_bitmask = 1 << i;
1067 /* Check if COS was already used for SP */
1068 if (pri_bitmask & cos_bit_to_set) {
1069 /* COS wasn't used for SP */
1070 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1071 i, pri_set);
1072
1073 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1074 i, pri_set);
1075 /* COS is used remove it from bitmap.*/
1076 cos_bit_to_set &= ~pri_bitmask;
1077 pri_set++;
1078 }
1079 }
1080
1081 if (pri_set != max_num_of_cos) {
1082 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
1083 "entries were set\n");
1084 return -EINVAL;
1085 }
1086
1087 if (port) {
1088 /* Only 6 usable clients*/
1089 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1090 (u32)pri_cli_nig);
1091
1092 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
1093 } else {
1094 /* Only 9 usable clients*/
1095 const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
1096 const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
1097
1098 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1099 pri_cli_nig_lsb);
1100 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1101 pri_cli_nig_msb);
1102
1103 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
1104 }
1105 return 0;
1106}
1107
1108/******************************************************************************
1109* Description:
1110* Configure the COS to ETS according to BW and SP settings.
1111******************************************************************************/
1112int bnx2x_ets_e3b0_config(const struct link_params *params,
1113 const struct link_vars *vars,
870516e1 1114 struct bnx2x_ets_params *ets_params)
6c3218c6
YR
1115{
1116 struct bnx2x *bp = params->bp;
1117 int bnx2x_status = 0;
1118 const u8 port = params->port;
1119 u16 total_bw = 0;
1120 const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
1121 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
1122 u8 cos_bw_bitmap = 0;
1123 u8 cos_sp_bitmap = 0;
1124 u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
1125 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1126 DCBX_E3B0_MAX_NUM_COS_PORT0;
1127 u8 cos_entry = 0;
1128
1129 if (!CHIP_IS_E3B0(bp)) {
94f05b0f
JP
1130 DP(NETIF_MSG_LINK,
1131 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
6c3218c6
YR
1132 return -EINVAL;
1133 }
1134
1135 if ((ets_params->num_of_cos > max_num_of_cos)) {
1136 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
1137 "isn't supported\n");
1138 return -EINVAL;
1139 }
1140
1141 /* Prepare sp strict priority parameters*/
1142 bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1143
1144 /* Prepare BW parameters*/
1145 bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
1146 &total_bw);
de0396f4 1147 if (bnx2x_status) {
94f05b0f
JP
1148 DP(NETIF_MSG_LINK,
1149 "bnx2x_ets_E3B0_config get_total_bw failed\n");
6c3218c6
YR
1150 return -EINVAL;
1151 }
1152
2f751a80
YR
1153 /*
1154 * Upper bound is set according to current link speed (min_w_val
1155 * should be the same for upper bound and COS credit val).
6c3218c6
YR
1156 */
1157 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
1158 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1159
1160
1161 for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
1162 if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
1163 cos_bw_bitmap |= (1 << cos_entry);
2f751a80 1164 /*
6c3218c6
YR
1165 * The function also sets the BW in HW(not the mappin
1166 * yet)
1167 */
1168 bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
1169 bp, cos_entry, min_w_val_nig, min_w_val_pbf,
1170 total_bw,
1171 ets_params->cos[cos_entry].params.bw_params.bw,
1172 port);
1173 } else if (bnx2x_cos_state_strict ==
1174 ets_params->cos[cos_entry].state){
1175 cos_sp_bitmap |= (1 << cos_entry);
1176
1177 bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
1178 params,
1179 sp_pri_to_cos,
1180 ets_params->cos[cos_entry].params.sp_params.pri,
1181 cos_entry);
1182
1183 } else {
94f05b0f
JP
1184 DP(NETIF_MSG_LINK,
1185 "bnx2x_ets_e3b0_config cos state not valid\n");
6c3218c6
YR
1186 return -EINVAL;
1187 }
de0396f4 1188 if (bnx2x_status) {
94f05b0f
JP
1189 DP(NETIF_MSG_LINK,
1190 "bnx2x_ets_e3b0_config set cos bw failed\n");
6c3218c6
YR
1191 return bnx2x_status;
1192 }
1193 }
1194
1195 /* Set SP register (which COS has higher priority) */
1196 bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
1197 sp_pri_to_cos);
1198
de0396f4 1199 if (bnx2x_status) {
94f05b0f
JP
1200 DP(NETIF_MSG_LINK,
1201 "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
6c3218c6
YR
1202 return bnx2x_status;
1203 }
1204
1205 /* Set client mapping of BW and strict */
1206 bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
1207 cos_sp_bitmap,
1208 cos_bw_bitmap);
1209
de0396f4 1210 if (bnx2x_status) {
6c3218c6
YR
1211 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
1212 return bnx2x_status;
1213 }
1214 return 0;
1215}
65a001ba 1216static void bnx2x_ets_bw_limit_common(const struct link_params *params)
bcab15c5
VZ
1217{
1218 /* ETS disabled configuration */
1219 struct bnx2x *bp = params->bp;
1220 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
2cf7acf9
YR
1221 /*
1222 * defines which entries (clients) are subjected to WFQ arbitration
1223 * COS0 0x8
1224 * COS1 0x10
1225 */
bcab15c5 1226 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
2cf7acf9
YR
1227 /*
1228 * mapping between the ARB_CREDIT_WEIGHT registers and actual
1229 * client numbers (WEIGHT_0 does not actually have to represent
1230 * client 0)
1231 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1232 * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
1233 */
bcab15c5
VZ
1234 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
1235
1236 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
1237 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1238 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
1239 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1240
1241 /* ETS mode enabled*/
1242 REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
1243
1244 /* Defines the number of consecutive slots for the strict priority */
1245 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
2cf7acf9
YR
1246 /*
1247 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
1248 * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
1249 * entry, 4 - COS1 entry.
1250 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1251 * bit4 bit3 bit2 bit1 bit0
1252 * MCP and debug are strict
1253 */
bcab15c5
VZ
1254 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
1255
1256 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
1257 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
1258 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1259 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
1260 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1261}
1262
1263void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
1264 const u32 cos1_bw)
1265{
1266 /* ETS disabled configuration*/
1267 struct bnx2x *bp = params->bp;
1268 const u32 total_bw = cos0_bw + cos1_bw;
1269 u32 cos0_credit_weight = 0;
1270 u32 cos1_credit_weight = 0;
1271
1272 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1273
de0396f4
YR
1274 if ((!total_bw) ||
1275 (!cos0_bw) ||
1276 (!cos1_bw)) {
cd88ccee 1277 DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
bcab15c5
VZ
1278 return;
1279 }
1280
1281 cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1282 total_bw;
1283 cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1284 total_bw;
1285
1286 bnx2x_ets_bw_limit_common(params);
1287
1288 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
1289 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
1290
1291 REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
1292 REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
1293}
1294
fcf5b650 1295int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
bcab15c5
VZ
1296{
1297 /* ETS disabled configuration*/
1298 struct bnx2x *bp = params->bp;
1299 u32 val = 0;
1300
bcab15c5 1301 DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
2cf7acf9 1302 /*
bcab15c5
VZ
1303 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
1304 * as strict. Bits 0,1,2 - debug and management entries,
1305 * 3 - COS0 entry, 4 - COS1 entry.
1306 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1307 * bit4 bit3 bit2 bit1 bit0
1308 * MCP and debug are strict
1309 */
1310 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
2cf7acf9 1311 /*
bcab15c5
VZ
1312 * For strict priority entries defines the number of consecutive slots
1313 * for the highest priority.
1314 */
1315 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1316 /* ETS mode disable */
1317 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
1318 /* Defines the number of consecutive slots for the strict priority */
1319 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
1320
1321 /* Defines the number of consecutive slots for the strict priority */
1322 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
1323
2cf7acf9
YR
1324 /*
1325 * mapping between entry priority to client number (0,1,2 -debug and
1326 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
1327 * 3bits client num.
1328 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1329 * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
1330 * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
1331 */
de0396f4 1332 val = (!strict_cos) ? 0x2318 : 0x22E0;
bcab15c5
VZ
1333 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
1334
1335 return 0;
1336}
1337/******************************************************************/
e8920674 1338/* PFC section */
bcab15c5 1339/******************************************************************/
9380bb9e
YR
1340static void bnx2x_update_pfc_xmac(struct link_params *params,
1341 struct link_vars *vars,
1342 u8 is_lb)
1343{
1344 struct bnx2x *bp = params->bp;
1345 u32 xmac_base;
1346 u32 pause_val, pfc0_val, pfc1_val;
1347
1348 /* XMAC base adrr */
1349 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1350
1351 /* Initialize pause and pfc registers */
1352 pause_val = 0x18000;
1353 pfc0_val = 0xFFFF8000;
1354 pfc1_val = 0x2;
1355
1356 /* No PFC support */
1357 if (!(params->feature_config_flags &
1358 FEATURE_CONFIG_PFC_ENABLED)) {
1359
1360 /*
1361 * RX flow control - Process pause frame in receive direction
1362 */
1363 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1364 pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
1365
1366 /*
1367 * TX flow control - Send pause packet when buffer is full
1368 */
1369 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1370 pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
1371 } else {/* PFC support */
1372 pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
1373 XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
1374 XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
1375 XMAC_PFC_CTRL_HI_REG_TX_PFC_EN;
1376 }
1377
1378 /* Write pause and PFC registers */
1379 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1380 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1381 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1382
9380bb9e 1383
b8d6d082
YR
1384 /* Set MAC address for source TX Pause/PFC frames */
1385 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
1386 ((params->mac_addr[2] << 24) |
1387 (params->mac_addr[3] << 16) |
1388 (params->mac_addr[4] << 8) |
1389 (params->mac_addr[5])));
1390 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
1391 ((params->mac_addr[0] << 8) |
1392 (params->mac_addr[1])));
9380bb9e 1393
b8d6d082
YR
1394 udelay(30);
1395}
bcab15c5 1396
bcab15c5 1397
bcab15c5
VZ
1398static void bnx2x_emac_get_pfc_stat(struct link_params *params,
1399 u32 pfc_frames_sent[2],
1400 u32 pfc_frames_received[2])
1401{
1402 /* Read pfc statistic */
1403 struct bnx2x *bp = params->bp;
1404 u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1405 u32 val_xon = 0;
1406 u32 val_xoff = 0;
1407
1408 DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
1409
1410 /* PFC received frames */
1411 val_xoff = REG_RD(bp, emac_base +
1412 EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
1413 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
1414 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
1415 val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
1416
1417 pfc_frames_received[0] = val_xon + val_xoff;
1418
1419 /* PFC received sent */
1420 val_xoff = REG_RD(bp, emac_base +
1421 EMAC_REG_RX_PFC_STATS_XOFF_SENT);
1422 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
1423 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
1424 val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
1425
1426 pfc_frames_sent[0] = val_xon + val_xoff;
1427}
1428
b8d6d082 1429/* Read pfc statistic*/
bcab15c5
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1430void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
1431 u32 pfc_frames_sent[2],
1432 u32 pfc_frames_received[2])
1433{
1434 /* Read pfc statistic */
1435 struct bnx2x *bp = params->bp;
b8d6d082 1436
bcab15c5
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1437 DP(NETIF_MSG_LINK, "pfc statistic\n");
1438
1439 if (!vars->link_up)
1440 return;
1441
de0396f4 1442 if (vars->mac_type == MAC_TYPE_EMAC) {
b8d6d082 1443 DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
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1444 bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
1445 pfc_frames_received);
bcab15c5
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1446 }
1447}
1448/******************************************************************/
1449/* MAC/PBF section */
1450/******************************************************************/
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1451static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
1452{
1453 u32 mode, emac_base;
1454 /**
1455 * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
1456 * (a value of 49==0x31) and make sure that the AUTO poll is off
1457 */
1458
1459 if (CHIP_IS_E2(bp))
1460 emac_base = GRCBASE_EMAC0;
1461 else
1462 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1463 mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
1464 mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
1465 EMAC_MDIO_MODE_CLOCK_CNT);
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1466 if (USES_WARPCORE(bp))
1467 mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
1468 else
1469 mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
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1470
1471 mode |= (EMAC_MDIO_MODE_CLAUSE_45);
1472 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
1473
1474 udelay(40);
1475}
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1476static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
1477{
1478 u32 port4mode_ovwr_val;
1479 /* Check 4-port override enabled */
1480 port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
1481 if (port4mode_ovwr_val & (1<<0)) {
1482 /* Return 4-port mode override value */
1483 return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
1484 }
1485 /* Return 4-port mode from input pin */
1486 return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
1487}
a198c142 1488
ea4e040a 1489static void bnx2x_emac_init(struct link_params *params,
cd88ccee 1490 struct link_vars *vars)
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1491{
1492 /* reset and unreset the emac core */
1493 struct bnx2x *bp = params->bp;
1494 u8 port = params->port;
1495 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1496 u32 val;
1497 u16 timeout;
1498
1499 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
cd88ccee 1500 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
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1501 udelay(5);
1502 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
cd88ccee 1503 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
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1504
1505 /* init emac - use read-modify-write */
1506 /* self clear reset */
1507 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
3196a88a 1508 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
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1509
1510 timeout = 200;
3196a88a 1511 do {
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1512 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1513 DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
1514 if (!timeout) {
1515 DP(NETIF_MSG_LINK, "EMAC timeout!\n");
1516 return;
1517 }
1518 timeout--;
3196a88a 1519 } while (val & EMAC_MODE_RESET);
a198c142 1520 bnx2x_set_mdio_clk(bp, params->chip_id, port);
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1521 /* Set mac address */
1522 val = ((params->mac_addr[0] << 8) |
1523 params->mac_addr[1]);
3196a88a 1524 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
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1525
1526 val = ((params->mac_addr[2] << 24) |
1527 (params->mac_addr[3] << 16) |
1528 (params->mac_addr[4] << 8) |
1529 params->mac_addr[5]);
3196a88a 1530 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
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1531}
1532
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1533static void bnx2x_set_xumac_nig(struct link_params *params,
1534 u16 tx_pause_en,
1535 u8 enable)
1536{
1537 struct bnx2x *bp = params->bp;
1538
1539 REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
1540 enable);
1541 REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
1542 enable);
1543 REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
1544 NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
1545}
1546
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1547static void bnx2x_umac_disable(struct link_params *params)
1548{
1549 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1550 struct bnx2x *bp = params->bp;
1551 if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
1552 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
1553 return;
1554
1555 /* Disable RX and TX */
1556 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, 0);
1557}
1558
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1559static void bnx2x_umac_enable(struct link_params *params,
1560 struct link_vars *vars, u8 lb)
1561{
1562 u32 val;
1563 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1564 struct bnx2x *bp = params->bp;
1565 /* Reset UMAC */
1566 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1567 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1568 usleep_range(1000, 1000);
1569
1570 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1571 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1572
1573 DP(NETIF_MSG_LINK, "enabling UMAC\n");
1574
1575 /**
1576 * This register determines on which events the MAC will assert
1577 * error on the i/f to the NIG along w/ EOP.
1578 */
1579
1580 /**
1581 * BD REG_WR(bp, NIG_REG_P0_MAC_RSV_ERR_MASK +
1582 * params->port*0x14, 0xfffff.
1583 */
1584 /* This register opens the gate for the UMAC despite its name */
1585 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
1586
1587 val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
1588 UMAC_COMMAND_CONFIG_REG_PAD_EN |
1589 UMAC_COMMAND_CONFIG_REG_SW_RESET |
1590 UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
1591 switch (vars->line_speed) {
1592 case SPEED_10:
1593 val |= (0<<2);
1594 break;
1595 case SPEED_100:
1596 val |= (1<<2);
1597 break;
1598 case SPEED_1000:
1599 val |= (2<<2);
1600 break;
1601 case SPEED_2500:
1602 val |= (3<<2);
1603 break;
1604 default:
1605 DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
1606 vars->line_speed);
1607 break;
1608 }
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1609 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1610 val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
1611
1612 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1613 val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
1614
e18c56b2
MY
1615 if (vars->duplex == DUPLEX_HALF)
1616 val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
1617
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1618 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1619 udelay(50);
1620
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1621 /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
1622 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
1623 ((params->mac_addr[2] << 24) |
1624 (params->mac_addr[3] << 16) |
1625 (params->mac_addr[4] << 8) |
1626 (params->mac_addr[5])));
1627 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
1628 ((params->mac_addr[0] << 8) |
1629 (params->mac_addr[1])));
1630
9380bb9e
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1631 /* Enable RX and TX */
1632 val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
1633 val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
3c9ada22 1634 UMAC_COMMAND_CONFIG_REG_RX_ENA;
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1635 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1636 udelay(50);
1637
1638 /* Remove SW Reset */
1639 val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
1640
1641 /* Check loopback mode */
1642 if (lb)
1643 val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
1644 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1645
1646 /*
1647 * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
1648 * length used by the MAC receive logic to check frames.
1649 */
1650 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
1651 bnx2x_set_xumac_nig(params,
1652 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1653 vars->mac_type = MAC_TYPE_UMAC;
1654
1655}
1656
9380bb9e 1657/* Define the XMAC mode */
ce7c0489 1658static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
9380bb9e 1659{
ce7c0489 1660 struct bnx2x *bp = params->bp;
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1661 u32 is_port4mode = bnx2x_is_4_port_mode(bp);
1662
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1663 /*
1664 * In 4-port mode, need to set the mode only once, so if XMAC is
1665 * already out of reset, it means the mode has already been set,
1666 * and it must not* reset the XMAC again, since it controls both
1667 * ports of the path
1668 */
9380bb9e 1669
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1670 if ((CHIP_NUM(bp) == CHIP_NUM_57840) &&
1671 (REG_RD(bp, MISC_REG_RESET_REG_2) &
9380bb9e 1672 MISC_REGISTERS_RESET_REG_2_XMAC)) {
94f05b0f
JP
1673 DP(NETIF_MSG_LINK,
1674 "XMAC already out of reset in 4-port mode\n");
9380bb9e
YR
1675 return;
1676 }
1677
1678 /* Hard reset */
1679 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1680 MISC_REGISTERS_RESET_REG_2_XMAC);
1681 usleep_range(1000, 1000);
1682
1683 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1684 MISC_REGISTERS_RESET_REG_2_XMAC);
1685 if (is_port4mode) {
1686 DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
1687
1688 /* Set the number of ports on the system side to up to 2 */
1689 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
1690
1691 /* Set the number of ports on the Warp Core to 10G */
1692 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1693 } else {
1694 /* Set the number of ports on the system side to 1 */
1695 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
1696 if (max_speed == SPEED_10000) {
94f05b0f
JP
1697 DP(NETIF_MSG_LINK,
1698 "Init XMAC to 10G x 1 port per path\n");
9380bb9e
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1699 /* Set the number of ports on the Warp Core to 10G */
1700 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1701 } else {
94f05b0f
JP
1702 DP(NETIF_MSG_LINK,
1703 "Init XMAC to 20G x 2 ports per path\n");
9380bb9e
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1704 /* Set the number of ports on the Warp Core to 20G */
1705 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
1706 }
1707 }
1708 /* Soft reset */
1709 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1710 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1711 usleep_range(1000, 1000);
1712
1713 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1714 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1715
1716}
1717
1718static void bnx2x_xmac_disable(struct link_params *params)
1719{
1720 u8 port = params->port;
1721 struct bnx2x *bp = params->bp;
b5077662 1722 u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
9380bb9e
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1723
1724 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1725 MISC_REGISTERS_RESET_REG_2_XMAC) {
b5077662
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1726 /*
1727 * Send an indication to change the state in the NIG back to XON
1728 * Clearing this bit enables the next set of this bit to get
1729 * rising edge
1730 */
1731 pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
1732 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1733 (pfc_ctrl & ~(1<<1)));
1734 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1735 (pfc_ctrl | (1<<1)));
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1736 DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
1737 REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
9380bb9e
YR
1738 }
1739}
1740
1741static int bnx2x_xmac_enable(struct link_params *params,
1742 struct link_vars *vars, u8 lb)
1743{
1744 u32 val, xmac_base;
1745 struct bnx2x *bp = params->bp;
1746 DP(NETIF_MSG_LINK, "enabling XMAC\n");
1747
1748 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1749
ce7c0489 1750 bnx2x_xmac_init(params, vars->line_speed);
9380bb9e
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1751
1752 /*
1753 * This register determines on which events the MAC will assert
1754 * error on the i/f to the NIG along w/ EOP.
1755 */
1756
1757 /*
1758 * This register tells the NIG whether to send traffic to UMAC
1759 * or XMAC
1760 */
1761 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
1762
1763 /* Set Max packet size */
1764 REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
1765
1766 /* CRC append for Tx packets */
1767 REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
1768
1769 /* update PFC */
1770 bnx2x_update_pfc_xmac(params, vars, 0);
1771
1772 /* Enable TX and RX */
1773 val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
1774
1775 /* Check loopback mode */
1776 if (lb)
4d7e25d6 1777 val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
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1778 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1779 bnx2x_set_xumac_nig(params,
1780 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1781
1782 vars->mac_type = MAC_TYPE_XMAC;
1783
1784 return 0;
1785}
2f751a80 1786
fcf5b650 1787static int bnx2x_emac_enable(struct link_params *params,
9045f6b4 1788 struct link_vars *vars, u8 lb)
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1789{
1790 struct bnx2x *bp = params->bp;
1791 u8 port = params->port;
1792 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1793 u32 val;
1794
1795 DP(NETIF_MSG_LINK, "enabling EMAC\n");
1796
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1797 /* Disable BMAC */
1798 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1799 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1800
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1801 /* enable emac and not bmac */
1802 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
1803
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1804 /* ASIC */
1805 if (vars->phy_flags & PHY_XGXS_FLAG) {
1806 u32 ser_lane = ((params->lane_config &
cd88ccee
YR
1807 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1808 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
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1809
1810 DP(NETIF_MSG_LINK, "XGXS\n");
1811 /* select the master lanes (out of 0-3) */
cd88ccee 1812 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
ea4e040a 1813 /* select XGXS */
cd88ccee 1814 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
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1815
1816 } else { /* SerDes */
1817 DP(NETIF_MSG_LINK, "SerDes\n");
1818 /* select SerDes */
cd88ccee 1819 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
ea4e040a
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1820 }
1821
811a2f2d 1822 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
cd88ccee 1823 EMAC_RX_MODE_RESET);
811a2f2d 1824 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
cd88ccee 1825 EMAC_TX_MODE_RESET);
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1826
1827 if (CHIP_REV_IS_SLOW(bp)) {
1828 /* config GMII mode */
1829 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
cd88ccee 1830 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
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1831 } else { /* ASIC */
1832 /* pause enable/disable */
1833 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1834 EMAC_RX_MODE_FLOW_EN);
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YR
1835
1836 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
bcab15c5
VZ
1837 (EMAC_TX_MODE_EXT_PAUSE_EN |
1838 EMAC_TX_MODE_FLOW_EN));
1839 if (!(params->feature_config_flags &
1840 FEATURE_CONFIG_PFC_ENABLED)) {
1841 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1842 bnx2x_bits_en(bp, emac_base +
1843 EMAC_REG_EMAC_RX_MODE,
1844 EMAC_RX_MODE_FLOW_EN);
1845
1846 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1847 bnx2x_bits_en(bp, emac_base +
1848 EMAC_REG_EMAC_TX_MODE,
1849 (EMAC_TX_MODE_EXT_PAUSE_EN |
1850 EMAC_TX_MODE_FLOW_EN));
1851 } else
1852 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1853 EMAC_TX_MODE_FLOW_EN);
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1854 }
1855
1856 /* KEEP_VLAN_TAG, promiscuous */
1857 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
1858 val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
bcab15c5 1859
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1860 /*
1861 * Setting this bit causes MAC control frames (except for pause
1862 * frames) to be passed on for processing. This setting has no
1863 * affect on the operation of the pause frames. This bit effects
1864 * all packets regardless of RX Parser packet sorting logic.
1865 * Turn the PFC off to make sure we are in Xon state before
1866 * enabling it.
1867 */
bcab15c5
VZ
1868 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
1869 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1870 DP(NETIF_MSG_LINK, "PFC is enabled\n");
1871 /* Enable PFC again */
1872 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
1873 EMAC_REG_RX_PFC_MODE_RX_EN |
1874 EMAC_REG_RX_PFC_MODE_TX_EN |
1875 EMAC_REG_RX_PFC_MODE_PRIORITIES);
1876
1877 EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
1878 ((0x0101 <<
1879 EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
1880 (0x00ff <<
1881 EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
1882 val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
1883 }
3196a88a 1884 EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
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1885
1886 /* Set Loopback */
1887 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1888 if (lb)
1889 val |= 0x810;
1890 else
1891 val &= ~0x810;
3196a88a 1892 EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
ea4e040a 1893
6c55c3cd
EG
1894 /* enable emac */
1895 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
1896
ea4e040a 1897 /* enable emac for jumbo packets */
3196a88a 1898 EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
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1899 (EMAC_RX_MTU_SIZE_JUMBO_ENA |
1900 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
1901
1902 /* strip CRC */
1903 REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
1904
1905 /* disable the NIG in/out to the bmac */
1906 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
1907 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
1908 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
1909
1910 /* enable the NIG in/out to the emac */
1911 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
1912 val = 0;
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1913 if ((params->feature_config_flags &
1914 FEATURE_CONFIG_PFC_ENABLED) ||
1915 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
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1916 val = 1;
1917
1918 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
1919 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
1920
02a23165 1921 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
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1922
1923 vars->mac_type = MAC_TYPE_EMAC;
1924 return 0;
1925}
1926
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1927static void bnx2x_update_pfc_bmac1(struct link_params *params,
1928 struct link_vars *vars)
1929{
1930 u32 wb_data[2];
1931 struct bnx2x *bp = params->bp;
1932 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1933 NIG_REG_INGRESS_BMAC0_MEM;
1934
1935 u32 val = 0x14;
1936 if ((!(params->feature_config_flags &
1937 FEATURE_CONFIG_PFC_ENABLED)) &&
1938 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1939 /* Enable BigMAC to react on received Pause packets */
1940 val |= (1<<5);
1941 wb_data[0] = val;
1942 wb_data[1] = 0;
1943 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
1944
1945 /* tx control */
1946 val = 0xc0;
1947 if (!(params->feature_config_flags &
1948 FEATURE_CONFIG_PFC_ENABLED) &&
1949 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1950 val |= 0x800000;
1951 wb_data[0] = val;
1952 wb_data[1] = 0;
1953 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
1954}
1955
1956static void bnx2x_update_pfc_bmac2(struct link_params *params,
1957 struct link_vars *vars,
1958 u8 is_lb)
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1959{
1960 /*
1961 * Set rx control: Strip CRC and enable BigMAC to relay
1962 * control packets to the system as well
1963 */
1964 u32 wb_data[2];
1965 struct bnx2x *bp = params->bp;
1966 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1967 NIG_REG_INGRESS_BMAC0_MEM;
1968 u32 val = 0x14;
ea4e040a 1969
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1970 if ((!(params->feature_config_flags &
1971 FEATURE_CONFIG_PFC_ENABLED)) &&
1972 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
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1973 /* Enable BigMAC to react on received Pause packets */
1974 val |= (1<<5);
1975 wb_data[0] = val;
1976 wb_data[1] = 0;
cd88ccee 1977 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
f2e0899f 1978 udelay(30);
ea4e040a 1979
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1980 /* Tx control */
1981 val = 0xc0;
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1982 if (!(params->feature_config_flags &
1983 FEATURE_CONFIG_PFC_ENABLED) &&
1984 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
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1985 val |= 0x800000;
1986 wb_data[0] = val;
1987 wb_data[1] = 0;
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1988 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
1989
1990 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1991 DP(NETIF_MSG_LINK, "PFC is enabled\n");
1992 /* Enable PFC RX & TX & STATS and set 8 COS */
1993 wb_data[0] = 0x0;
1994 wb_data[0] |= (1<<0); /* RX */
1995 wb_data[0] |= (1<<1); /* TX */
1996 wb_data[0] |= (1<<2); /* Force initial Xon */
1997 wb_data[0] |= (1<<3); /* 8 cos */
1998 wb_data[0] |= (1<<5); /* STATS */
1999 wb_data[1] = 0;
2000 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
2001 wb_data, 2);
2002 /* Clear the force Xon */
2003 wb_data[0] &= ~(1<<2);
2004 } else {
2005 DP(NETIF_MSG_LINK, "PFC is disabled\n");
2006 /* disable PFC RX & TX & STATS and set 8 COS */
2007 wb_data[0] = 0x8;
2008 wb_data[1] = 0;
2009 }
2010
2011 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
f2e0899f 2012
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2013 /*
2014 * Set Time (based unit is 512 bit time) between automatic
2015 * re-sending of PP packets amd enable automatic re-send of
2016 * Per-Priroity Packet as long as pp_gen is asserted and
2017 * pp_disable is low.
2018 */
f2e0899f 2019 val = 0x8000;
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2020 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2021 val |= (1<<16); /* enable automatic re-send */
2022
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2023 wb_data[0] = val;
2024 wb_data[1] = 0;
2025 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
cd88ccee 2026 wb_data, 2);
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2027
2028 /* mac control */
2029 val = 0x3; /* Enable RX and TX */
2030 if (is_lb) {
2031 val |= 0x4; /* Local loopback */
2032 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2033 }
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2034 /* When PFC enabled, Pass pause frames towards the NIG. */
2035 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2036 val |= ((1<<6)|(1<<5));
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2037
2038 wb_data[0] = val;
2039 wb_data[1] = 0;
cd88ccee 2040 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
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2041}
2042
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2043/* PFC BRB internal port configuration params */
2044struct bnx2x_pfc_brb_threshold_val {
2045 u32 pause_xoff;
2046 u32 pause_xon;
2047 u32 full_xoff;
2048 u32 full_xon;
2049};
2050
2051struct bnx2x_pfc_brb_e3b0_val {
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2052 u32 per_class_guaranty_mode;
2053 u32 lb_guarantied_hyst;
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2054 u32 full_lb_xoff_th;
2055 u32 full_lb_xon_threshold;
2056 u32 lb_guarantied;
2057 u32 mac_0_class_t_guarantied;
2058 u32 mac_0_class_t_guarantied_hyst;
2059 u32 mac_1_class_t_guarantied;
2060 u32 mac_1_class_t_guarantied_hyst;
2061};
2062
2063struct bnx2x_pfc_brb_th_val {
2064 struct bnx2x_pfc_brb_threshold_val pauseable_th;
2065 struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
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2066 struct bnx2x_pfc_brb_threshold_val default_class0;
2067 struct bnx2x_pfc_brb_threshold_val default_class1;
2068
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2069};
2070static int bnx2x_pfc_brb_get_config_params(
2071 struct link_params *params,
2072 struct bnx2x_pfc_brb_th_val *config_val)
2073{
2074 struct bnx2x *bp = params->bp;
2075 DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
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2076
2077 config_val->default_class1.pause_xoff = 0;
2078 config_val->default_class1.pause_xon = 0;
2079 config_val->default_class1.full_xoff = 0;
2080 config_val->default_class1.full_xon = 0;
2081
9380bb9e 2082 if (CHIP_IS_E2(bp)) {
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2083 /* class0 defaults */
2084 config_val->default_class0.pause_xoff =
2085 DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR;
2086 config_val->default_class0.pause_xon =
2f751a80 2087 DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR;
866cedae 2088 config_val->default_class0.full_xoff =
2f751a80 2089 DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR;
866cedae 2090 config_val->default_class0.full_xon =
2f751a80 2091 DEFAULT0_E2_BRB_MAC_FULL_XON_THR;
866cedae 2092 /* pause able*/
9380bb9e 2093 config_val->pauseable_th.pause_xoff =
2f751a80 2094 PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
9380bb9e 2095 config_val->pauseable_th.pause_xon =
2f751a80 2096 PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
9380bb9e 2097 config_val->pauseable_th.full_xoff =
2f751a80 2098 PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
9380bb9e 2099 config_val->pauseable_th.full_xon =
2f751a80 2100 PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
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2101 /* non pause able*/
2102 config_val->non_pauseable_th.pause_xoff =
2f751a80 2103 PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
9380bb9e 2104 config_val->non_pauseable_th.pause_xon =
2f751a80 2105 PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
9380bb9e 2106 config_val->non_pauseable_th.full_xoff =
2f751a80 2107 PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
9380bb9e 2108 config_val->non_pauseable_th.full_xon =
2f751a80 2109 PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
9380bb9e 2110 } else if (CHIP_IS_E3A0(bp)) {
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2111 /* class0 defaults */
2112 config_val->default_class0.pause_xoff =
2113 DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR;
2114 config_val->default_class0.pause_xon =
2f751a80 2115 DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR;
866cedae 2116 config_val->default_class0.full_xoff =
2f751a80 2117 DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR;
866cedae 2118 config_val->default_class0.full_xon =
2f751a80 2119 DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR;
866cedae 2120 /* pause able */
9380bb9e 2121 config_val->pauseable_th.pause_xoff =
2f751a80 2122 PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
9380bb9e 2123 config_val->pauseable_th.pause_xon =
2f751a80 2124 PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
9380bb9e 2125 config_val->pauseable_th.full_xoff =
2f751a80 2126 PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
9380bb9e 2127 config_val->pauseable_th.full_xon =
2f751a80 2128 PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
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2129 /* non pause able*/
2130 config_val->non_pauseable_th.pause_xoff =
2f751a80 2131 PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
9380bb9e 2132 config_val->non_pauseable_th.pause_xon =
2f751a80 2133 PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
9380bb9e 2134 config_val->non_pauseable_th.full_xoff =
2f751a80 2135 PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
9380bb9e 2136 config_val->non_pauseable_th.full_xon =
2f751a80 2137 PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
9380bb9e 2138 } else if (CHIP_IS_E3B0(bp)) {
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2139 /* class0 defaults */
2140 config_val->default_class0.pause_xoff =
2141 DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR;
2142 config_val->default_class0.pause_xon =
2143 DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR;
2144 config_val->default_class0.full_xoff =
2145 DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR;
2146 config_val->default_class0.full_xon =
2147 DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR;
2148
9380bb9e 2149 if (params->phy[INT_PHY].flags &
2f751a80 2150 FLAGS_4_PORT_MODE) {
9380bb9e 2151 config_val->pauseable_th.pause_xoff =
866cedae 2152 PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
9380bb9e 2153 config_val->pauseable_th.pause_xon =
866cedae 2154 PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
9380bb9e 2155 config_val->pauseable_th.full_xoff =
866cedae 2156 PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
9380bb9e 2157 config_val->pauseable_th.full_xon =
866cedae 2158 PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
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2159 /* non pause able*/
2160 config_val->non_pauseable_th.pause_xoff =
866cedae 2161 PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
9380bb9e 2162 config_val->non_pauseable_th.pause_xon =
866cedae 2163 PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
9380bb9e 2164 config_val->non_pauseable_th.full_xoff =
866cedae 2165 PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
9380bb9e 2166 config_val->non_pauseable_th.full_xon =
866cedae
YR
2167 PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2168 } else {
2169 config_val->pauseable_th.pause_xoff =
2170 PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2171 config_val->pauseable_th.pause_xon =
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2172 PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
2173 config_val->pauseable_th.full_xoff =
2174 PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
2175 config_val->pauseable_th.full_xon =
2176 PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
2177 /* non pause able*/
2178 config_val->non_pauseable_th.pause_xoff =
2179 PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2180 config_val->non_pauseable_th.pause_xon =
2181 PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2182 config_val->non_pauseable_th.full_xoff =
2183 PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2184 config_val->non_pauseable_th.full_xon =
2185 PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2186 }
9380bb9e
YR
2187 } else
2188 return -EINVAL;
2189
2190 return 0;
2191}
2192
866cedae
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2193static void bnx2x_pfc_brb_get_e3b0_config_params(
2194 struct link_params *params,
2195 struct bnx2x_pfc_brb_e3b0_val
2196 *e3b0_val,
2197 struct bnx2x_nig_brb_pfc_port_params *pfc_params,
2198 const u8 pfc_enabled)
9380bb9e 2199{
866cedae
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2200 if (pfc_enabled && pfc_params) {
2201 e3b0_val->per_class_guaranty_mode = 1;
2202 e3b0_val->lb_guarantied_hyst = 80;
2203
2204 if (params->phy[INT_PHY].flags &
2205 FLAGS_4_PORT_MODE) {
2206 e3b0_val->full_lb_xoff_th =
2207 PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
2208 e3b0_val->full_lb_xon_threshold =
2209 PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
2210 e3b0_val->lb_guarantied =
2211 PFC_E3B0_4P_LB_GUART;
2212 e3b0_val->mac_0_class_t_guarantied =
2213 PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
2214 e3b0_val->mac_0_class_t_guarantied_hyst =
2215 PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
2216 e3b0_val->mac_1_class_t_guarantied =
2217 PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
2218 e3b0_val->mac_1_class_t_guarantied_hyst =
2219 PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
2220 } else {
2221 e3b0_val->full_lb_xoff_th =
2222 PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
2223 e3b0_val->full_lb_xon_threshold =
2224 PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
2225 e3b0_val->mac_0_class_t_guarantied_hyst =
2226 PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
2227 e3b0_val->mac_1_class_t_guarantied =
2228 PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
2229 e3b0_val->mac_1_class_t_guarantied_hyst =
2230 PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
2231
2232 if (pfc_params->cos0_pauseable !=
2233 pfc_params->cos1_pauseable) {
2234 /* nonpauseable= Lossy + pauseable = Lossless*/
2235 e3b0_val->lb_guarantied =
2236 PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
2237 e3b0_val->mac_0_class_t_guarantied =
2238 PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
2239 } else if (pfc_params->cos0_pauseable) {
2240 /* Lossless +Lossless*/
2241 e3b0_val->lb_guarantied =
2242 PFC_E3B0_2P_PAUSE_LB_GUART;
2243 e3b0_val->mac_0_class_t_guarantied =
2244 PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
2245 } else {
2246 /* Lossy +Lossy*/
2247 e3b0_val->lb_guarantied =
2248 PFC_E3B0_2P_NON_PAUSE_LB_GUART;
2249 e3b0_val->mac_0_class_t_guarantied =
2250 PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
2251 }
2252 }
2253 } else {
2254 e3b0_val->per_class_guaranty_mode = 0;
2255 e3b0_val->lb_guarantied_hyst = 0;
9380bb9e 2256 e3b0_val->full_lb_xoff_th =
866cedae 2257 DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR;
9380bb9e 2258 e3b0_val->full_lb_xon_threshold =
866cedae 2259 DEFAULT_E3B0_BRB_FULL_LB_XON_THR;
9380bb9e 2260 e3b0_val->lb_guarantied =
866cedae 2261 DEFAULT_E3B0_LB_GUART;
9380bb9e 2262 e3b0_val->mac_0_class_t_guarantied =
866cedae 2263 DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART;
9380bb9e 2264 e3b0_val->mac_0_class_t_guarantied_hyst =
866cedae 2265 DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST;
9380bb9e 2266 e3b0_val->mac_1_class_t_guarantied =
866cedae 2267 DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART;
9380bb9e 2268 e3b0_val->mac_1_class_t_guarantied_hyst =
866cedae 2269 DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST;
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YR
2270 }
2271}
2272static int bnx2x_update_pfc_brb(struct link_params *params,
2273 struct link_vars *vars,
2274 struct bnx2x_nig_brb_pfc_port_params
2275 *pfc_params)
bcab15c5
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2276{
2277 struct bnx2x *bp = params->bp;
9380bb9e
YR
2278 struct bnx2x_pfc_brb_th_val config_val = { {0} };
2279 struct bnx2x_pfc_brb_threshold_val *reg_th_config =
2f751a80 2280 &config_val.pauseable_th;
9380bb9e 2281 struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
866cedae 2282 const int set_pfc = params->feature_config_flags &
bcab15c5 2283 FEATURE_CONFIG_PFC_ENABLED;
866cedae 2284 const u8 pfc_enabled = (set_pfc && pfc_params);
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2285 int bnx2x_status = 0;
2286 u8 port = params->port;
bcab15c5
VZ
2287
2288 /* default - pause configuration */
9380bb9e
YR
2289 reg_th_config = &config_val.pauseable_th;
2290 bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
de0396f4 2291 if (bnx2x_status)
9380bb9e 2292 return bnx2x_status;
bcab15c5 2293
866cedae 2294 if (pfc_enabled) {
bcab15c5 2295 /* First COS */
866cedae
YR
2296 if (pfc_params->cos0_pauseable)
2297 reg_th_config = &config_val.pauseable_th;
2298 else
9380bb9e 2299 reg_th_config = &config_val.non_pauseable_th;
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YR
2300 } else
2301 reg_th_config = &config_val.default_class0;
2cf7acf9
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2302 /*
2303 * The number of free blocks below which the pause signal to class 0
2304 * of MAC #n is asserted. n=0,1
2305 */
9380bb9e
YR
2306 REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
2307 BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
2308 reg_th_config->pause_xoff);
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2309 /*
2310 * The number of free blocks above which the pause signal to class 0
2311 * of MAC #n is de-asserted. n=0,1
2312 */
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2313 REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
2314 BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
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2315 /*
2316 * The number of free blocks below which the full signal to class 0
2317 * of MAC #n is asserted. n=0,1
2318 */
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YR
2319 REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
2320 BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
2cf7acf9
YR
2321 /*
2322 * The number of free blocks above which the full signal to class 0
2323 * of MAC #n is de-asserted. n=0,1
2324 */
9380bb9e
YR
2325 REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
2326 BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
bcab15c5 2327
866cedae 2328 if (pfc_enabled) {
bcab15c5 2329 /* Second COS */
9380bb9e
YR
2330 if (pfc_params->cos1_pauseable)
2331 reg_th_config = &config_val.pauseable_th;
2332 else
2333 reg_th_config = &config_val.non_pauseable_th;
866cedae
YR
2334 } else
2335 reg_th_config = &config_val.default_class1;
2f751a80
YR
2336 /*
2337 * The number of free blocks below which the pause signal to
2338 * class 1 of MAC #n is asserted. n=0,1
2339 */
2340 REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
2341 BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
2342 reg_th_config->pause_xoff);
2343
2344 /*
2345 * The number of free blocks above which the pause signal to
2346 * class 1 of MAC #n is de-asserted. n=0,1
2347 */
2348 REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
2349 BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
2350 reg_th_config->pause_xon);
2351 /*
2352 * The number of free blocks below which the full signal to
2353 * class 1 of MAC #n is asserted. n=0,1
2354 */
2355 REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
2356 BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
2357 reg_th_config->full_xoff);
2358 /*
2359 * The number of free blocks above which the full signal to
2360 * class 1 of MAC #n is de-asserted. n=0,1
2361 */
2362 REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
2363 BRB1_REG_FULL_1_XON_THRESHOLD_0,
2364 reg_th_config->full_xon);
9380bb9e 2365
866cedae
YR
2366 if (CHIP_IS_E3B0(bp)) {
2367 bnx2x_pfc_brb_get_e3b0_config_params(
2368 params,
2369 &e3b0_val,
2370 pfc_params,
2371 pfc_enabled);
9380bb9e 2372
866cedae
YR
2373 REG_WR(bp, BRB1_REG_PER_CLASS_GUARANTY_MODE,
2374 e3b0_val.per_class_guaranty_mode);
9380bb9e 2375
2f751a80
YR
2376 /*
2377 * The hysteresis on the guarantied buffer space for the Lb
2378 * port before signaling XON.
2379 */
866cedae
YR
2380 REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST,
2381 e3b0_val.lb_guarantied_hyst);
2f751a80
YR
2382
2383 /*
2384 * The number of free blocks below which the full signal to the
2385 * LB port is asserted.
2386 */
866cedae 2387 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
2f751a80
YR
2388 e3b0_val.full_lb_xoff_th);
2389 /*
2390 * The number of free blocks above which the full signal to the
2391 * LB port is de-asserted.
2392 */
2393 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
2394 e3b0_val.full_lb_xon_threshold);
2395 /*
2396 * The number of blocks guarantied for the MAC #n port. n=0,1
2397 */
2398
2399 /* The number of blocks guarantied for the LB port.*/
2400 REG_WR(bp, BRB1_REG_LB_GUARANTIED,
2401 e3b0_val.lb_guarantied);
2402
2403 /*
2404 * The number of blocks guarantied for the MAC #n port.
2405 */
2406 REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
2407 2 * e3b0_val.mac_0_class_t_guarantied);
2408 REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
2409 2 * e3b0_val.mac_1_class_t_guarantied);
2410 /*
2411 * The number of blocks guarantied for class #t in MAC0. t=0,1
2412 */
2413 REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
2414 e3b0_val.mac_0_class_t_guarantied);
2415 REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
2416 e3b0_val.mac_0_class_t_guarantied);
2417 /*
2418 * The hysteresis on the guarantied buffer space for class in
2419 * MAC0. t=0,1
2420 */
2421 REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
2422 e3b0_val.mac_0_class_t_guarantied_hyst);
2423 REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
2424 e3b0_val.mac_0_class_t_guarantied_hyst);
2425
2426 /*
2427 * The number of blocks guarantied for class #t in MAC1.t=0,1
2428 */
2429 REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
2430 e3b0_val.mac_1_class_t_guarantied);
2431 REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
2432 e3b0_val.mac_1_class_t_guarantied);
2433 /*
2434 * The hysteresis on the guarantied buffer space for class #t
2435 * in MAC1. t=0,1
2436 */
2437 REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
2438 e3b0_val.mac_1_class_t_guarantied_hyst);
2439 REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
2440 e3b0_val.mac_1_class_t_guarantied_hyst);
2441 }
9380bb9e 2442
9380bb9e 2443 return bnx2x_status;
bcab15c5
VZ
2444}
2445
619c5cb6
VZ
2446/******************************************************************************
2447* Description:
2448* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2449* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2450******************************************************************************/
2451int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
2452 u8 cos_entry,
2453 u32 priority_mask, u8 port)
2454{
2455 u32 nig_reg_rx_priority_mask_add = 0;
2456
2457 switch (cos_entry) {
2458 case 0:
2459 nig_reg_rx_priority_mask_add = (port) ?
2460 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2461 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2462 break;
2463 case 1:
2464 nig_reg_rx_priority_mask_add = (port) ?
2465 NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2466 NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2467 break;
2468 case 2:
2469 nig_reg_rx_priority_mask_add = (port) ?
2470 NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2471 NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2472 break;
2473 case 3:
2474 if (port)
2475 return -EINVAL;
2476 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2477 break;
2478 case 4:
2479 if (port)
2480 return -EINVAL;
2481 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2482 break;
2483 case 5:
2484 if (port)
2485 return -EINVAL;
2486 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2487 break;
2488 }
2489
2490 REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
2491
2492 return 0;
2493}
b8d6d082
YR
2494static void bnx2x_update_mng(struct link_params *params, u32 link_status)
2495{
2496 struct bnx2x *bp = params->bp;
2497
2498 REG_WR(bp, params->shmem_base +
2499 offsetof(struct shmem_region,
2500 port_mb[params->port].link_status), link_status);
2501}
2502
bcab15c5
VZ
2503static void bnx2x_update_pfc_nig(struct link_params *params,
2504 struct link_vars *vars,
2505 struct bnx2x_nig_brb_pfc_port_params *nig_params)
2506{
2507 u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
127302bb 2508 u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
bcab15c5 2509 u32 pkt_priority_to_cos = 0;
bcab15c5 2510 struct bnx2x *bp = params->bp;
9380bb9e
YR
2511 u8 port = params->port;
2512
bcab15c5
VZ
2513 int set_pfc = params->feature_config_flags &
2514 FEATURE_CONFIG_PFC_ENABLED;
2515 DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
2516
2cf7acf9 2517 /*
bcab15c5
VZ
2518 * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
2519 * MAC control frames (that are not pause packets)
2520 * will be forwarded to the XCM.
2521 */
127302bb
YR
2522 xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
2523 NIG_REG_LLH0_XCM_MASK);
2cf7acf9 2524 /*
bcab15c5
VZ
2525 * nig params will override non PFC params, since it's possible to
2526 * do transition from PFC to SAFC
2527 */
2528 if (set_pfc) {
2529 pause_enable = 0;
2530 llfc_out_en = 0;
2531 llfc_enable = 0;
9380bb9e
YR
2532 if (CHIP_IS_E3(bp))
2533 ppp_enable = 0;
2534 else
bcab15c5
VZ
2535 ppp_enable = 1;
2536 xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2537 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
127302bb
YR
2538 xcm_out_en = 0;
2539 hwpfc_enable = 1;
bcab15c5
VZ
2540 } else {
2541 if (nig_params) {
2542 llfc_out_en = nig_params->llfc_out_en;
2543 llfc_enable = nig_params->llfc_enable;
2544 pause_enable = nig_params->pause_enable;
2545 } else /*defaul non PFC mode - PAUSE */
2546 pause_enable = 1;
2547
2548 xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2549 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
127302bb 2550 xcm_out_en = 1;
bcab15c5
VZ
2551 }
2552
9380bb9e
YR
2553 if (CHIP_IS_E3(bp))
2554 REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2555 NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
bcab15c5
VZ
2556 REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
2557 NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2558 REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
2559 NIG_REG_LLFC_ENABLE_0, llfc_enable);
2560 REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
2561 NIG_REG_PAUSE_ENABLE_0, pause_enable);
2562
2563 REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
2564 NIG_REG_PPP_ENABLE_0, ppp_enable);
2565
2566 REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
2567 NIG_REG_LLH0_XCM_MASK, xcm_mask);
2568
127302bb
YR
2569 REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
2570 NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
bcab15c5
VZ
2571
2572 /* output enable for RX_XCM # IF */
127302bb
YR
2573 REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
2574 NIG_REG_XCM0_OUT_EN, xcm_out_en);
bcab15c5
VZ
2575
2576 /* HW PFC TX enable */
127302bb
YR
2577 REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
2578 NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
bcab15c5 2579
bcab15c5 2580 if (nig_params) {
619c5cb6 2581 u8 i = 0;
bcab15c5
VZ
2582 pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
2583
619c5cb6
VZ
2584 for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
2585 bnx2x_pfc_nig_rx_priority_mask(bp, i,
2586 nig_params->rx_cos_priority_mask[i], port);
bcab15c5
VZ
2587
2588 REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
2589 NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
2590 nig_params->llfc_high_priority_classes);
2591
2592 REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
2593 NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
2594 nig_params->llfc_low_priority_classes);
2595 }
2596 REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
2597 NIG_REG_P0_PKT_PRIORITY_TO_COS,
2598 pkt_priority_to_cos);
2599}
2600
9380bb9e 2601int bnx2x_update_pfc(struct link_params *params,
bcab15c5
VZ
2602 struct link_vars *vars,
2603 struct bnx2x_nig_brb_pfc_port_params *pfc_params)
2604{
2cf7acf9 2605 /*
bcab15c5
VZ
2606 * The PFC and pause are orthogonal to one another, meaning when
2607 * PFC is enabled, the pause are disabled, and when PFC is
2608 * disabled, pause are set according to the pause result.
2609 */
2610 u32 val;
2611 struct bnx2x *bp = params->bp;
9380bb9e
YR
2612 int bnx2x_status = 0;
2613 u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
b8d6d082
YR
2614
2615 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2616 vars->link_status |= LINK_STATUS_PFC_ENABLED;
2617 else
2618 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
2619
2620 bnx2x_update_mng(params, vars->link_status);
2621
bcab15c5
VZ
2622 /* update NIG params */
2623 bnx2x_update_pfc_nig(params, vars, pfc_params);
2624
2625 /* update BRB params */
9380bb9e 2626 bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
de0396f4 2627 if (bnx2x_status)
9380bb9e 2628 return bnx2x_status;
bcab15c5
VZ
2629
2630 if (!vars->link_up)
9380bb9e 2631 return bnx2x_status;
bcab15c5
VZ
2632
2633 DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
9380bb9e
YR
2634 if (CHIP_IS_E3(bp))
2635 bnx2x_update_pfc_xmac(params, vars, 0);
2636 else {
2637 val = REG_RD(bp, MISC_REG_RESET_REG_2);
2638 if ((val &
3c9ada22 2639 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
9380bb9e
YR
2640 == 0) {
2641 DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
2642 bnx2x_emac_enable(params, vars, 0);
2643 return bnx2x_status;
2644 }
9380bb9e
YR
2645 if (CHIP_IS_E2(bp))
2646 bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
2647 else
2648 bnx2x_update_pfc_bmac1(params, vars);
2649
2650 val = 0;
2651 if ((params->feature_config_flags &
2652 FEATURE_CONFIG_PFC_ENABLED) ||
2653 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2654 val = 1;
2655 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2656 }
2657 return bnx2x_status;
bcab15c5 2658}
f2e0899f 2659
9380bb9e 2660
fcf5b650
YR
2661static int bnx2x_bmac1_enable(struct link_params *params,
2662 struct link_vars *vars,
2663 u8 is_lb)
ea4e040a
YR
2664{
2665 struct bnx2x *bp = params->bp;
2666 u8 port = params->port;
2667 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2668 NIG_REG_INGRESS_BMAC0_MEM;
2669 u32 wb_data[2];
2670 u32 val;
2671
f2e0899f 2672 DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
ea4e040a
YR
2673
2674 /* XGXS control */
2675 wb_data[0] = 0x3c;
2676 wb_data[1] = 0;
cd88ccee
YR
2677 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2678 wb_data, 2);
ea4e040a
YR
2679
2680 /* tx MAC SA */
2681 wb_data[0] = ((params->mac_addr[2] << 24) |
2682 (params->mac_addr[3] << 16) |
2683 (params->mac_addr[4] << 8) |
2684 params->mac_addr[5]);
2685 wb_data[1] = ((params->mac_addr[0] << 8) |
2686 params->mac_addr[1]);
cd88ccee 2687 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
ea4e040a 2688
ea4e040a
YR
2689 /* mac control */
2690 val = 0x3;
2691 if (is_lb) {
2692 val |= 0x4;
2693 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2694 }
2695 wb_data[0] = val;
2696 wb_data[1] = 0;
cd88ccee 2697 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
ea4e040a 2698
ea4e040a
YR
2699 /* set rx mtu */
2700 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2701 wb_data[1] = 0;
cd88ccee 2702 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
ea4e040a 2703
bcab15c5 2704 bnx2x_update_pfc_bmac1(params, vars);
ea4e040a
YR
2705
2706 /* set tx mtu */
2707 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2708 wb_data[1] = 0;
cd88ccee 2709 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
ea4e040a
YR
2710
2711 /* set cnt max size */
2712 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2713 wb_data[1] = 0;
cd88ccee 2714 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
ea4e040a
YR
2715
2716 /* configure safc */
2717 wb_data[0] = 0x1000200;
2718 wb_data[1] = 0;
2719 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2720 wb_data, 2);
f2e0899f
DK
2721
2722 return 0;
2723}
2724
fcf5b650
YR
2725static int bnx2x_bmac2_enable(struct link_params *params,
2726 struct link_vars *vars,
2727 u8 is_lb)
f2e0899f
DK
2728{
2729 struct bnx2x *bp = params->bp;
2730 u8 port = params->port;
2731 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2732 NIG_REG_INGRESS_BMAC0_MEM;
2733 u32 wb_data[2];
2734
2735 DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
2736
2737 wb_data[0] = 0;
2738 wb_data[1] = 0;
cd88ccee 2739 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
f2e0899f
DK
2740 udelay(30);
2741
2742 /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2743 wb_data[0] = 0x3c;
2744 wb_data[1] = 0;
cd88ccee
YR
2745 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2746 wb_data, 2);
f2e0899f
DK
2747
2748 udelay(30);
2749
2750 /* tx MAC SA */
2751 wb_data[0] = ((params->mac_addr[2] << 24) |
2752 (params->mac_addr[3] << 16) |
2753 (params->mac_addr[4] << 8) |
2754 params->mac_addr[5]);
2755 wb_data[1] = ((params->mac_addr[0] << 8) |
2756 params->mac_addr[1]);
2757 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
cd88ccee 2758 wb_data, 2);
f2e0899f
DK
2759
2760 udelay(30);
2761
2762 /* Configure SAFC */
2763 wb_data[0] = 0x1000200;
2764 wb_data[1] = 0;
2765 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
cd88ccee 2766 wb_data, 2);
f2e0899f
DK
2767 udelay(30);
2768
2769 /* set rx mtu */
2770 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2771 wb_data[1] = 0;
cd88ccee 2772 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
f2e0899f
DK
2773 udelay(30);
2774
2775 /* set tx mtu */
2776 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2777 wb_data[1] = 0;
cd88ccee 2778 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
f2e0899f
DK
2779 udelay(30);
2780 /* set cnt max size */
2781 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
2782 wb_data[1] = 0;
cd88ccee 2783 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
f2e0899f 2784 udelay(30);
bcab15c5 2785 bnx2x_update_pfc_bmac2(params, vars, is_lb);
f2e0899f
DK
2786
2787 return 0;
2788}
2789
fcf5b650
YR
2790static int bnx2x_bmac_enable(struct link_params *params,
2791 struct link_vars *vars,
2792 u8 is_lb)
f2e0899f 2793{
fcf5b650
YR
2794 int rc = 0;
2795 u8 port = params->port;
f2e0899f
DK
2796 struct bnx2x *bp = params->bp;
2797 u32 val;
2798 /* reset and unreset the BigMac */
2799 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
cd88ccee 2800 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1d9c05d4 2801 msleep(1);
f2e0899f
DK
2802
2803 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
cd88ccee 2804 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
f2e0899f
DK
2805
2806 /* enable access for bmac registers */
2807 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2808
2809 /* Enable BMAC according to BMAC type*/
2810 if (CHIP_IS_E2(bp))
2811 rc = bnx2x_bmac2_enable(params, vars, is_lb);
2812 else
2813 rc = bnx2x_bmac1_enable(params, vars, is_lb);
ea4e040a
YR
2814 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2815 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2816 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2817 val = 0;
bcab15c5
VZ
2818 if ((params->feature_config_flags &
2819 FEATURE_CONFIG_PFC_ENABLED) ||
2820 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
ea4e040a
YR
2821 val = 1;
2822 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2823 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2824 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2825 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2826 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2827 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2828
2829 vars->mac_type = MAC_TYPE_BMAC;
f2e0899f 2830 return rc;
ea4e040a
YR
2831}
2832
ea4e040a
YR
2833static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
2834{
2835 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
cd88ccee 2836 NIG_REG_INGRESS_BMAC0_MEM;
ea4e040a 2837 u32 wb_data[2];
3196a88a 2838 u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
ea4e040a
YR
2839
2840 /* Only if the bmac is out of reset */
2841 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
2842 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2843 nig_bmac_enable) {
2844
f2e0899f
DK
2845 if (CHIP_IS_E2(bp)) {
2846 /* Clear Rx Enable bit in BMAC_CONTROL register */
2847 REG_RD_DMAE(bp, bmac_addr +
cd88ccee
YR
2848 BIGMAC2_REGISTER_BMAC_CONTROL,
2849 wb_data, 2);
f2e0899f
DK
2850 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2851 REG_WR_DMAE(bp, bmac_addr +
cd88ccee
YR
2852 BIGMAC2_REGISTER_BMAC_CONTROL,
2853 wb_data, 2);
f2e0899f
DK
2854 } else {
2855 /* Clear Rx Enable bit in BMAC_CONTROL register */
2856 REG_RD_DMAE(bp, bmac_addr +
2857 BIGMAC_REGISTER_BMAC_CONTROL,
2858 wb_data, 2);
2859 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2860 REG_WR_DMAE(bp, bmac_addr +
2861 BIGMAC_REGISTER_BMAC_CONTROL,
2862 wb_data, 2);
2863 }
ea4e040a
YR
2864 msleep(1);
2865 }
2866}
2867
fcf5b650
YR
2868static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
2869 u32 line_speed)
ea4e040a
YR
2870{
2871 struct bnx2x *bp = params->bp;
2872 u8 port = params->port;
2873 u32 init_crd, crd;
2874 u32 count = 1000;
ea4e040a
YR
2875
2876 /* disable port */
2877 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2878
2879 /* wait for init credit */
2880 init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
2881 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2882 DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
2883
2884 while ((init_crd != crd) && count) {
2885 msleep(5);
2886
2887 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2888 count--;
2889 }
2890 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2891 if (init_crd != crd) {
2892 DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
2893 init_crd, crd);
2894 return -EINVAL;
2895 }
2896
c0700f90 2897 if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
8c99e7b0
YR
2898 line_speed == SPEED_10 ||
2899 line_speed == SPEED_100 ||
2900 line_speed == SPEED_1000 ||
2901 line_speed == SPEED_2500) {
2902 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
ea4e040a
YR
2903 /* update threshold */
2904 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
2905 /* update init credit */
cd88ccee 2906 init_crd = 778; /* (800-18-4) */
ea4e040a
YR
2907
2908 } else {
2909 u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
2910 ETH_OVREHEAD)/16;
8c99e7b0 2911 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
ea4e040a
YR
2912 /* update threshold */
2913 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
2914 /* update init credit */
2915 switch (line_speed) {
ea4e040a
YR
2916 case SPEED_10000:
2917 init_crd = thresh + 553 - 22;
2918 break;
ea4e040a
YR
2919 default:
2920 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2921 line_speed);
2922 return -EINVAL;
ea4e040a
YR
2923 }
2924 }
2925 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2926 DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
2927 line_speed, init_crd);
2928
2929 /* probe the credit changes */
2930 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
2931 msleep(5);
2932 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
2933
2934 /* enable port */
2935 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2936 return 0;
2937}
2938
e8920674
DK
2939/**
2940 * bnx2x_get_emac_base - retrive emac base address
2cf7acf9 2941 *
e8920674
DK
2942 * @bp: driver handle
2943 * @mdc_mdio_access: access type
2944 * @port: port id
2cf7acf9
YR
2945 *
2946 * This function selects the MDC/MDIO access (through emac0 or
2947 * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2948 * phy has a default access mode, which could also be overridden
2949 * by nvram configuration. This parameter, whether this is the
2950 * default phy configuration, or the nvram overrun
2951 * configuration, is passed here as mdc_mdio_access and selects
2952 * the emac_base for the CL45 read/writes operations
2953 */
c18aa15d
YR
2954static u32 bnx2x_get_emac_base(struct bnx2x *bp,
2955 u32 mdc_mdio_access, u8 port)
ea4e040a 2956{
c18aa15d
YR
2957 u32 emac_base = 0;
2958 switch (mdc_mdio_access) {
2959 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
2960 break;
2961 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
2962 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2963 emac_base = GRCBASE_EMAC1;
2964 else
2965 emac_base = GRCBASE_EMAC0;
2966 break;
2967 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
589abe3a
EG
2968 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2969 emac_base = GRCBASE_EMAC0;
2970 else
2971 emac_base = GRCBASE_EMAC1;
ea4e040a 2972 break;
c18aa15d
YR
2973 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
2974 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2975 break;
2976 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
6378c025 2977 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
ea4e040a
YR
2978 break;
2979 default:
ea4e040a
YR
2980 break;
2981 }
2982 return emac_base;
2983
2984}
2985
6583e33b
YR
2986/******************************************************************/
2987/* CL22 access functions */
2988/******************************************************************/
2989static int bnx2x_cl22_write(struct bnx2x *bp,
2990 struct bnx2x_phy *phy,
2991 u16 reg, u16 val)
2992{
2993 u32 tmp, mode;
2994 u8 i;
2995 int rc = 0;
2996 /* Switch to CL22 */
2997 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2998 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2999 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
3000
3001 /* address */
3002 tmp = ((phy->addr << 21) | (reg << 16) | val |
3003 EMAC_MDIO_COMM_COMMAND_WRITE_22 |
3004 EMAC_MDIO_COMM_START_BUSY);
3005 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3006
3007 for (i = 0; i < 50; i++) {
3008 udelay(10);
3009
3010 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3011 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3012 udelay(5);
3013 break;
3014 }
3015 }
3016 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3017 DP(NETIF_MSG_LINK, "write phy register failed\n");
3018 rc = -EFAULT;
3019 }
3020 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
3021 return rc;
3022}
3023
3024static int bnx2x_cl22_read(struct bnx2x *bp,
3025 struct bnx2x_phy *phy,
3026 u16 reg, u16 *ret_val)
3027{
3028 u32 val, mode;
3029 u16 i;
3030 int rc = 0;
3031
3032 /* Switch to CL22 */
3033 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
3034 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
3035 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
3036
3037 /* address */
3038 val = ((phy->addr << 21) | (reg << 16) |
3039 EMAC_MDIO_COMM_COMMAND_READ_22 |
3040 EMAC_MDIO_COMM_START_BUSY);
3041 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
3042
3043 for (i = 0; i < 50; i++) {
3044 udelay(10);
3045
3046 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3047 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3048 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
3049 udelay(5);
3050 break;
3051 }
3052 }
3053 if (val & EMAC_MDIO_COMM_START_BUSY) {
3054 DP(NETIF_MSG_LINK, "read phy register failed\n");
3055
3056 *ret_val = 0;
3057 rc = -EFAULT;
3058 }
3059 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
3060 return rc;
3061}
3062
2cf7acf9
YR
3063/******************************************************************/
3064/* CL45 access functions */
3065/******************************************************************/
a198c142
YR
3066static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
3067 u8 devad, u16 reg, u16 *ret_val)
ea4e040a 3068{
a198c142
YR
3069 u32 val;
3070 u16 i;
fcf5b650 3071 int rc = 0;
157fa283
YR
3072 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3073 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3074 EMAC_MDIO_STATUS_10MB);
ea4e040a 3075 /* address */
a198c142 3076 val = ((phy->addr << 21) | (devad << 16) | reg |
ea4e040a
YR
3077 EMAC_MDIO_COMM_COMMAND_ADDRESS |
3078 EMAC_MDIO_COMM_START_BUSY);
a198c142 3079 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
ea4e040a
YR
3080
3081 for (i = 0; i < 50; i++) {
3082 udelay(10);
3083
a198c142
YR
3084 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3085 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
ea4e040a
YR
3086 udelay(5);
3087 break;
3088 }
3089 }
a198c142
YR
3090 if (val & EMAC_MDIO_COMM_START_BUSY) {
3091 DP(NETIF_MSG_LINK, "read phy register failed\n");
6d870c39 3092 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
a198c142 3093 *ret_val = 0;
ea4e040a
YR
3094 rc = -EFAULT;
3095 } else {
3096 /* data */
a198c142
YR
3097 val = ((phy->addr << 21) | (devad << 16) |
3098 EMAC_MDIO_COMM_COMMAND_READ_45 |
ea4e040a 3099 EMAC_MDIO_COMM_START_BUSY);
a198c142 3100 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
ea4e040a
YR
3101
3102 for (i = 0; i < 50; i++) {
3103 udelay(10);
3104
a198c142 3105 val = REG_RD(bp, phy->mdio_ctrl +
cd88ccee 3106 EMAC_REG_EMAC_MDIO_COMM);
a198c142
YR
3107 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3108 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
ea4e040a
YR
3109 break;
3110 }
3111 }
a198c142
YR
3112 if (val & EMAC_MDIO_COMM_START_BUSY) {
3113 DP(NETIF_MSG_LINK, "read phy register failed\n");
6d870c39 3114 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
a198c142 3115 *ret_val = 0;
ea4e040a
YR
3116 rc = -EFAULT;
3117 }
3118 }
3c9ada22
YR
3119 /* Work around for E3 A0 */
3120 if (phy->flags & FLAGS_MDC_MDIO_WA) {
3121 phy->flags ^= FLAGS_DUMMY_READ;
3122 if (phy->flags & FLAGS_DUMMY_READ) {
3123 u16 temp_val;
3124 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
3125 }
3126 }
ea4e040a 3127
157fa283
YR
3128 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3129 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3130 EMAC_MDIO_STATUS_10MB);
ea4e040a
YR
3131 return rc;
3132}
3133
a198c142
YR
3134static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3135 u8 devad, u16 reg, u16 val)
ea4e040a 3136{
a198c142
YR
3137 u32 tmp;
3138 u8 i;
fcf5b650 3139 int rc = 0;
157fa283
YR
3140 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3141 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3142 EMAC_MDIO_STATUS_10MB);
ea4e040a
YR
3143
3144 /* address */
a198c142
YR
3145
3146 tmp = ((phy->addr << 21) | (devad << 16) | reg |
ea4e040a
YR
3147 EMAC_MDIO_COMM_COMMAND_ADDRESS |
3148 EMAC_MDIO_COMM_START_BUSY);
a198c142 3149 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
ea4e040a
YR
3150
3151 for (i = 0; i < 50; i++) {
3152 udelay(10);
3153
a198c142
YR
3154 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3155 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
ea4e040a
YR
3156 udelay(5);
3157 break;
3158 }
3159 }
a198c142
YR
3160 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3161 DP(NETIF_MSG_LINK, "write phy register failed\n");
6d870c39 3162 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
ea4e040a 3163 rc = -EFAULT;
ea4e040a
YR
3164 } else {
3165 /* data */
a198c142
YR
3166 tmp = ((phy->addr << 21) | (devad << 16) | val |
3167 EMAC_MDIO_COMM_COMMAND_WRITE_45 |
ea4e040a 3168 EMAC_MDIO_COMM_START_BUSY);
a198c142 3169 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
ea4e040a
YR
3170
3171 for (i = 0; i < 50; i++) {
3172 udelay(10);
3173
a198c142 3174 tmp = REG_RD(bp, phy->mdio_ctrl +
cd88ccee 3175 EMAC_REG_EMAC_MDIO_COMM);
a198c142
YR
3176 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3177 udelay(5);
ea4e040a
YR
3178 break;
3179 }
3180 }
a198c142
YR
3181 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3182 DP(NETIF_MSG_LINK, "write phy register failed\n");
6d870c39 3183 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
ea4e040a
YR
3184 rc = -EFAULT;
3185 }
3186 }
3c9ada22
YR
3187 /* Work around for E3 A0 */
3188 if (phy->flags & FLAGS_MDC_MDIO_WA) {
3189 phy->flags ^= FLAGS_DUMMY_READ;
3190 if (phy->flags & FLAGS_DUMMY_READ) {
3191 u16 temp_val;
3192 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
3193 }
3194 }
157fa283
YR
3195 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3196 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3197 EMAC_MDIO_STATUS_10MB);
3c9ada22
YR
3198 return rc;
3199}
3c9ada22
YR
3200/******************************************************************/
3201/* BSC access functions from E3 */
3202/******************************************************************/
3203static void bnx2x_bsc_module_sel(struct link_params *params)
3204{
3205 int idx;
3206 u32 board_cfg, sfp_ctrl;
3207 u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3208 struct bnx2x *bp = params->bp;
3209 u8 port = params->port;
3210 /* Read I2C output PINs */
3211 board_cfg = REG_RD(bp, params->shmem_base +
3212 offsetof(struct shmem_region,
3213 dev_info.shared_hw_config.board));
3214 i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3215 i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3216 SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3217
3218 /* Read I2C output value */
3219 sfp_ctrl = REG_RD(bp, params->shmem_base +
3220 offsetof(struct shmem_region,
3221 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3222 i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3223 i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3224 DP(NETIF_MSG_LINK, "Setting BSC switch\n");
3225 for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3226 bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
3227}
3228
3229static int bnx2x_bsc_read(struct link_params *params,
3230 struct bnx2x_phy *phy,
3231 u8 sl_devid,
3232 u16 sl_addr,
3233 u8 lc_addr,
3234 u8 xfer_cnt,
3235 u32 *data_array)
3236{
3237 u32 val, i;
3238 int rc = 0;
3239 struct bnx2x *bp = params->bp;
3240
3241 if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
3242 DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
3243 return -EINVAL;
3244 }
3245
3246 if (xfer_cnt > 16) {
3247 DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
3248 xfer_cnt);
3249 return -EINVAL;
3250 }
3251 bnx2x_bsc_module_sel(params);
3252
3253 xfer_cnt = 16 - lc_addr;
3254
3255 /* enable the engine */
3256 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3257 val |= MCPR_IMC_COMMAND_ENABLE;
3258 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3259
3260 /* program slave device ID */
3261 val = (sl_devid << 16) | sl_addr;
3262 REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3263
3264 /* start xfer with 0 byte to update the address pointer ???*/
3265 val = (MCPR_IMC_COMMAND_ENABLE) |
3266 (MCPR_IMC_COMMAND_WRITE_OP <<
3267 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3268 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3269 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3270
3271 /* poll for completion */
3272 i = 0;
3273 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3274 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3275 udelay(10);
3276 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3277 if (i++ > 1000) {
3278 DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
3279 i);
3280 rc = -EFAULT;
3281 break;
3282 }
3283 }
3284 if (rc == -EFAULT)
3285 return rc;
3286
3287 /* start xfer with read op */
3288 val = (MCPR_IMC_COMMAND_ENABLE) |
3289 (MCPR_IMC_COMMAND_READ_OP <<
3290 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3291 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3292 (xfer_cnt);
3293 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3294
3295 /* poll for completion */
3296 i = 0;
3297 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3298 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3299 udelay(10);
3300 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3301 if (i++ > 1000) {
3302 DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
3303 rc = -EFAULT;
3304 break;
3305 }
3306 }
3307 if (rc == -EFAULT)
3308 return rc;
3309
3310 for (i = (lc_addr >> 2); i < 4; i++) {
3311 data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3312#ifdef __BIG_ENDIAN
3313 data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3314 ((data_array[i] & 0x0000ff00) << 8) |
3315 ((data_array[i] & 0x00ff0000) >> 8) |
3316 ((data_array[i] & 0xff000000) >> 24);
3317#endif
3318 }
ea4e040a
YR
3319 return rc;
3320}
3321
3c9ada22
YR
3322static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3323 u8 devad, u16 reg, u16 or_val)
3324{
3325 u16 val;
3326 bnx2x_cl45_read(bp, phy, devad, reg, &val);
3327 bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
3328}
3329
fcf5b650
YR
3330int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
3331 u8 devad, u16 reg, u16 *ret_val)
e10bc84d
YR
3332{
3333 u8 phy_index;
2cf7acf9 3334 /*
e10bc84d
YR
3335 * Probe for the phy according to the given phy_addr, and execute
3336 * the read request on it
3337 */
3338 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3339 if (params->phy[phy_index].addr == phy_addr) {
3340 return bnx2x_cl45_read(params->bp,
3341 &params->phy[phy_index], devad,
3342 reg, ret_val);
3343 }
3344 }
3345 return -EINVAL;
3346}
3347
fcf5b650
YR
3348int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
3349 u8 devad, u16 reg, u16 val)
e10bc84d
YR
3350{
3351 u8 phy_index;
2cf7acf9 3352 /*
e10bc84d
YR
3353 * Probe for the phy according to the given phy_addr, and execute
3354 * the write request on it
3355 */
3356 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3357 if (params->phy[phy_index].addr == phy_addr) {
3358 return bnx2x_cl45_write(params->bp,
3359 &params->phy[phy_index], devad,
3360 reg, val);
3361 }
3362 }
3363 return -EINVAL;
3364}
3c9ada22
YR
3365static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
3366 struct link_params *params)
3367{
3368 u8 lane = 0;
3369 struct bnx2x *bp = params->bp;
3370 u32 path_swap, path_swap_ovr;
3371 u8 path, port;
3372
3373 path = BP_PATH(bp);
3374 port = params->port;
3375
3376 if (bnx2x_is_4_port_mode(bp)) {
3377 u32 port_swap, port_swap_ovr;
3378
3379 /*figure out path swap value */
3380 path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
3381 if (path_swap_ovr & 0x1)
3382 path_swap = (path_swap_ovr & 0x2);
3383 else
3384 path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
3385
3386 if (path_swap)
3387 path = path ^ 1;
3388
3389 /*figure out port swap value */
3390 port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
3391 if (port_swap_ovr & 0x1)
3392 port_swap = (port_swap_ovr & 0x2);
3393 else
3394 port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
3395
3396 if (port_swap)
3397 port = port ^ 1;
3398
3399 lane = (port<<1) + path;
3400 } else { /* two port mode - no port swap */
3401
3402 /*figure out path swap value */
3403 path_swap_ovr =
3404 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3405 if (path_swap_ovr & 0x1) {
3406 path_swap = (path_swap_ovr & 0x2);
3407 } else {
3408 path_swap =
3409 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
3410 }
3411 if (path_swap)
3412 path = path ^ 1;
3413
3414 lane = path << 1 ;
3415 }
3416 return lane;
3417}
e10bc84d 3418
ec146a6f
YR
3419static void bnx2x_set_aer_mmd(struct link_params *params,
3420 struct bnx2x_phy *phy)
ea4e040a 3421{
ea4e040a 3422 u32 ser_lane;
f2e0899f
DK
3423 u16 offset, aer_val;
3424 struct bnx2x *bp = params->bp;
ea4e040a
YR
3425 ser_lane = ((params->lane_config &
3426 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3427 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3428
ec146a6f
YR
3429 offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3430 (phy->addr + ser_lane) : 0;
3431
3c9ada22
YR
3432 if (USES_WARPCORE(bp)) {
3433 aer_val = bnx2x_get_warpcore_lane(phy, params);
3434 /*
3435 * In Dual-lane mode, two lanes are joined together,
3436 * so in order to configure them, the AER broadcast method is
3437 * used here.
3438 * 0x200 is the broadcast address for lanes 0,1
3439 * 0x201 is the broadcast address for lanes 2,3
3440 */
3441 if (phy->flags & FLAGS_WC_DUAL_MODE)
3442 aer_val = (aer_val >> 1) | 0x200;
3443 } else if (CHIP_IS_E2(bp))
82a0d475 3444 aer_val = 0x3800 + offset - 1;
f2e0899f
DK
3445 else
3446 aer_val = 0x3800 + offset;
2f751a80 3447
cd2be89b 3448 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
cd88ccee 3449 MDIO_AER_BLOCK_AER_REG, aer_val);
ec146a6f 3450
ea4e040a
YR
3451}
3452
de6eae1f
YR
3453/******************************************************************/
3454/* Internal phy section */
3455/******************************************************************/
ea4e040a 3456
de6eae1f
YR
3457static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
3458{
3459 u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
ea4e040a 3460
de6eae1f
YR
3461 /* Set Clause 22 */
3462 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
3463 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
3464 udelay(500);
3465 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3466 udelay(500);
3467 /* Set Clause 45 */
3468 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
ea4e040a
YR
3469}
3470
de6eae1f 3471static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
ea4e040a 3472{
de6eae1f 3473 u32 val;
ea4e040a 3474
de6eae1f 3475 DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
ea4e040a 3476
de6eae1f 3477 val = SERDES_RESET_BITS << (port*16);
c1b73990 3478
de6eae1f
YR
3479 /* reset and unreset the SerDes/XGXS */
3480 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3481 udelay(500);
3482 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
ea4e040a 3483
de6eae1f 3484 bnx2x_set_serdes_access(bp, port);
ea4e040a 3485
cd88ccee
YR
3486 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3487 DEFAULT_PHY_DEV_ADDR);
de6eae1f
YR
3488}
3489
3490static void bnx2x_xgxs_deassert(struct link_params *params)
3491{
3492 struct bnx2x *bp = params->bp;
3493 u8 port;
3494 u32 val;
3495 DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
3496 port = params->port;
3497
3498 val = XGXS_RESET_BITS << (port*16);
3499
3500 /* reset and unreset the SerDes/XGXS */
3501 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3502 udelay(500);
3503 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3504
cd88ccee 3505 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
de6eae1f 3506 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
cd88ccee 3507 params->phy[INT_PHY].def_md_devad);
de6eae1f
YR
3508}
3509
9045f6b4
YR
3510static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
3511 struct link_params *params, u16 *ieee_fc)
3512{
3513 struct bnx2x *bp = params->bp;
3514 *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
3515 /**
3516 * resolve pause mode and advertisement Please refer to Table
3517 * 28B-3 of the 802.3ab-1999 spec
3518 */
3519
3520 switch (phy->req_flow_ctrl) {
3521 case BNX2X_FLOW_CTRL_AUTO:
3522 if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
3523 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3524 else
3525 *ieee_fc |=
3526 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3527 break;
3528
3529 case BNX2X_FLOW_CTRL_TX:
3530 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3531 break;
3532
3533 case BNX2X_FLOW_CTRL_RX:
3534 case BNX2X_FLOW_CTRL_BOTH:
3535 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3536 break;
3537
3538 case BNX2X_FLOW_CTRL_NONE:
3539 default:
3540 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3541 break;
3542 }
3543 DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
3544}
3545
3546static void set_phy_vars(struct link_params *params,
3547 struct link_vars *vars)
3548{
3549 struct bnx2x *bp = params->bp;
3550 u8 actual_phy_idx, phy_index, link_cfg_idx;
3551 u8 phy_config_swapped = params->multi_phy_config &
3552 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
3553 for (phy_index = INT_PHY; phy_index < params->num_phys;
3554 phy_index++) {
3555 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
3556 actual_phy_idx = phy_index;
3557 if (phy_config_swapped) {
3558 if (phy_index == EXT_PHY1)
3559 actual_phy_idx = EXT_PHY2;
3560 else if (phy_index == EXT_PHY2)
3561 actual_phy_idx = EXT_PHY1;
3562 }
3563 params->phy[actual_phy_idx].req_flow_ctrl =
3564 params->req_flow_ctrl[link_cfg_idx];
3565
3566 params->phy[actual_phy_idx].req_line_speed =
3567 params->req_line_speed[link_cfg_idx];
3568
3569 params->phy[actual_phy_idx].speed_cap_mask =
3570 params->speed_cap_mask[link_cfg_idx];
a22f0788 3571
9045f6b4
YR
3572 params->phy[actual_phy_idx].req_duplex =
3573 params->req_duplex[link_cfg_idx];
3574
3575 if (params->req_line_speed[link_cfg_idx] ==
3576 SPEED_AUTO_NEG)
3577 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3578
3579 DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
3580 " speed_cap_mask %x\n",
3581 params->phy[actual_phy_idx].req_flow_ctrl,
3582 params->phy[actual_phy_idx].req_line_speed,
3583 params->phy[actual_phy_idx].speed_cap_mask);
3584 }
3585}
3586
3587static void bnx2x_ext_phy_set_pause(struct link_params *params,
3588 struct bnx2x_phy *phy,
3589 struct link_vars *vars)
3590{
3591 u16 val;
3592 struct bnx2x *bp = params->bp;
3593 /* read modify write pause advertizing */
3594 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3595
3596 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3597
3598 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3599 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3600 if ((vars->ieee_fc &
3601 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3602 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3603 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3604 }
3605 if ((vars->ieee_fc &
3606 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3607 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3608 val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3609 }
3610 DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3611 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3612}
3613
3614static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
3615{ /* LD LP */
3616 switch (pause_result) { /* ASYM P ASYM P */
3617 case 0xb: /* 1 0 1 1 */
3618 vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
3619 break;
3620
3621 case 0xe: /* 1 1 1 0 */
3622 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3623 break;
3624
3625 case 0x5: /* 0 1 0 1 */
3626 case 0x7: /* 0 1 1 1 */
3627 case 0xd: /* 1 1 0 1 */
3628 case 0xf: /* 1 1 1 1 */
3629 vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
3630 break;
3631
3632 default:
3633 break;
3634 }
3635 if (pause_result & (1<<0))
3636 vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3637 if (pause_result & (1<<1))
3638 vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
3639}
3640
3641static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3642 struct link_params *params,
3643 struct link_vars *vars)
3644{
3645 struct bnx2x *bp = params->bp;
3646 u16 ld_pause; /* local */
3647 u16 lp_pause; /* link partner */
3648 u16 pause_result;
3649 u8 ret = 0;
3650 /* read twice */
3651
3652 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3653
3654 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
3655 vars->flow_ctrl = phy->req_flow_ctrl;
3656 else if (phy->req_line_speed != SPEED_AUTO_NEG)
3657 vars->flow_ctrl = params->req_fc_auto_adv;
3658 else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3659 ret = 1;
52c4d6c4 3660 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
6583e33b
YR
3661 bnx2x_cl22_read(bp, phy,
3662 0x4, &ld_pause);
3663 bnx2x_cl22_read(bp, phy,
3664 0x5, &lp_pause);
3665 } else {
3666 bnx2x_cl45_read(bp, phy,
3667 MDIO_AN_DEVAD,
3668 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3669 bnx2x_cl45_read(bp, phy,
3670 MDIO_AN_DEVAD,
3671 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3672 }
9045f6b4
YR
3673 pause_result = (ld_pause &
3674 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3675 pause_result |= (lp_pause &
3676 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3677 DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
3678 pause_result);
3679 bnx2x_pause_resolve(vars, pause_result);
3680 }
3681 return ret;
3682}
3c9ada22
YR
3683/******************************************************************/
3684/* Warpcore section */
3685/******************************************************************/
3686/* The init_internal_warpcore should mirror the xgxs,
3687 * i.e. reset the lane (if needed), set aer for the
3688 * init configuration, and set/clear SGMII flag. Internal
3689 * phy init is done purely in phy_init stage.
3690 */
3691static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
3692 struct link_params *params,
3693 struct link_vars *vars) {
a34bc969 3694 u16 val16 = 0, lane, bam37 = 0;
3c9ada22
YR
3695 struct bnx2x *bp = params->bp;
3696 DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
a9077bfd
YR
3697
3698 /* Disable Autoneg: re-enable it after adv is done. */
3699 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3700 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0);
3701
3c9ada22
YR
3702 /* Check adding advertisement for 1G KX */
3703 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3704 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3705 (vars->line_speed == SPEED_1000)) {
3706 u16 sd_digital;
3707 val16 |= (1<<5);
3708
3709 /* Enable CL37 1G Parallel Detect */
3710 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3711 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
3712 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3713 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3714 (sd_digital | 0x1));
3715
3716 DP(NETIF_MSG_LINK, "Advertize 1G\n");
3717 }
3718 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3719 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
3720 (vars->line_speed == SPEED_10000)) {
3721 /* Check adding advertisement for 10G KR */
3722 val16 |= (1<<7);
3723 /* Enable 10G Parallel Detect */
3724 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3725 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
3726
3727 DP(NETIF_MSG_LINK, "Advertize 10G\n");
3728 }
3729
3730 /* Set Transmit PMD settings */
3731 lane = bnx2x_get_warpcore_lane(phy, params);
3732 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3733 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3734 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3735 (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3736 (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
3737 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3738 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
3739 0x03f0);
3740 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3741 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
3742 0x03f0);
3c9ada22
YR
3743
3744 /* Advertised speeds */
3745 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3746 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
3747
6b1f3900
YR
3748 /* Advertised and set FEC (Forward Error Correction) */
3749 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3750 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
3751 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
3752 MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
3753
a34bc969
YR
3754 /* Enable CL37 BAM */
3755 if (REG_RD(bp, params->shmem_base +
3756 offsetof(struct shmem_region, dev_info.
3757 port_hw_config[params->port].default_cfg)) &
3758 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
3759 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3760 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
3761 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3762 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
3763 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
3764 }
3765
3c9ada22
YR
3766 /* Advertise pause */
3767 bnx2x_ext_phy_set_pause(params, phy, vars);
3768
6ab48a5c
YR
3769 /*
3770 * Set KR Autoneg Work-Around flag for Warpcore version older than D108
3771 */
3772 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3773 MDIO_WC_REG_UC_INFO_B1_VERSION, &val16);
3774 if (val16 < 0xd108) {
3775 DP(NETIF_MSG_LINK, "Enable AN KR work-around\n");
3776 vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
3777 }
3c9ada22
YR
3778
3779 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3780 MDIO_WC_REG_DIGITAL5_MISC7, &val16);
3781
3782 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3783 MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
a9077bfd
YR
3784
3785 /* Over 1G - AN local device user page 1 */
3786 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3787 MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
3788
3789 /* Enable Autoneg */
3790 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3791 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1000);
3792
3c9ada22
YR
3793}
3794
3795static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
3796 struct link_params *params,
3797 struct link_vars *vars)
3798{
3799 struct bnx2x *bp = params->bp;
3800 u16 val;
3801
3802 /* Disable Autoneg */
3803 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3804 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
3805
3806 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3807 MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
3808
3809 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3810 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
3811
3812 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3813 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
3814
3815 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3816 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3817
3818 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3819 MDIO_WC_REG_DIGITAL3_UP1, 0x1);
3820
3821 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3822 MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
3823
3824 /* Disable CL36 PCS Tx */
3825 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3826 MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
3827
3828 /* Double Wide Single Data Rate @ pll rate */
3829 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3830 MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
3831
3832 /* Leave cl72 training enable, needed for KR */
3833 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3834 MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
3835 0x2);
3836
3837 /* Leave CL72 enabled */
3838 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3839 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3840 &val);
3841 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3842 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3843 val | 0x3800);
3844
3845 /* Set speed via PMA/PMD register */
3846 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3847 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
3848
3849 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3850 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
3851
3852 /*Enable encoded forced speed */
3853 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3854 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
3855
3856 /* Turn TX scramble payload only the 64/66 scrambler */
3857 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3858 MDIO_WC_REG_TX66_CONTROL, 0x9);
3859
3860 /* Turn RX scramble payload only the 64/66 scrambler */
3861 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3862 MDIO_WC_REG_RX66_CONTROL, 0xF9);
3863
3864 /* set and clear loopback to cause a reset to 64/66 decoder */
3865 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3866 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
3867 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3868 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3869
3870}
3871
3872static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
3873 struct link_params *params,
3874 u8 is_xfi)
3875{
3876 struct bnx2x *bp = params->bp;
3877 u16 misc1_val, tap_val, tx_driver_val, lane, val;
3878 /* Hold rxSeqStart */
3879 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3880 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
3881 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3882 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
3883
3884 /* Hold tx_fifo_reset */
3885 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3886 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
3887 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3888 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
3889
3890 /* Disable CL73 AN */
3891 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
3892
3893 /* Disable 100FX Enable and Auto-Detect */
3894 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3895 MDIO_WC_REG_FX100_CTRL1, &val);
3896 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3897 MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
3898
3899 /* Disable 100FX Idle detect */
3900 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3901 MDIO_WC_REG_FX100_CTRL3, &val);
3902 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3903 MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
3904
3905 /* Set Block address to Remote PHY & Clear forced_speed[5] */
3906 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3907 MDIO_WC_REG_DIGITAL4_MISC3, &val);
3908 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3909 MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
3910
3911 /* Turn off auto-detect & fiber mode */
3912 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3913 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
3914 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3915 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3916 (val & 0xFFEE));
3917
3918 /* Set filter_force_link, disable_false_link and parallel_detect */
3919 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3920 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
3921 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3922 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3923 ((val | 0x0006) & 0xFFFE));
3924
3925 /* Set XFI / SFI */
3926 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3927 MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
3928
3929 misc1_val &= ~(0x1f);
3930
3931 if (is_xfi) {
3932 misc1_val |= 0x5;
3933 tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3934 (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3935 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
3936 tx_driver_val =
3937 ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3938 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3939 (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
3940
3941 } else {
3942 misc1_val |= 0x9;
3943 tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3944 (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3945 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
3946 tx_driver_val =
3947 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3948 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3949 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
3950 }
3951 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3952 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
3953
3954 /* Set Transmit PMD settings */
3955 lane = bnx2x_get_warpcore_lane(phy, params);
3956 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3957 MDIO_WC_REG_TX_FIR_TAP,
3958 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
3959 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3960 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3961 tx_driver_val);
3962
3963 /* Enable fiber mode, enable and invert sig_det */
3964 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3965 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
3966 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3967 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
3968
3969 /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
3970 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3971 MDIO_WC_REG_DIGITAL4_MISC3, &val);
3972 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3973 MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
3974
3975 /* 10G XFI Full Duplex */
3976 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3977 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
3978
3979 /* Release tx_fifo_reset */
3980 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3981 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
3982 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3983 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
3984
3985 /* Release rxSeqStart */
3986 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3987 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
3988 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3989 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
3990}
3991
3992static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
3993 struct bnx2x_phy *phy)
3994{
3995 DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
3996}
3997
3998static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
3999 struct bnx2x_phy *phy,
4000 u16 lane)
4001{
4002 /* Rx0 anaRxControl1G */
4003 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4004 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
4005
4006 /* Rx2 anaRxControl1G */
4007 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4008 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
4009
4010 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4011 MDIO_WC_REG_RX66_SCW0, 0xE070);
4012
4013 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4014 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
4015
4016 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4017 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
4018
4019 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4020 MDIO_WC_REG_RX66_SCW3, 0x8090);
4021
4022 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4023 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
4024
4025 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4026 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
4027
4028 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4029 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
4030
4031 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4032 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
4033
4034 /* Serdes Digital Misc1 */
4035 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4036 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
4037
4038 /* Serdes Digital4 Misc3 */
4039 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4040 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
4041
4042 /* Set Transmit PMD settings */
4043 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4044 MDIO_WC_REG_TX_FIR_TAP,
4045 ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
4046 (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
4047 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
4048 MDIO_WC_REG_TX_FIR_TAP_ENABLE));
4049 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4050 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4051 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
4052 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
4053 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
4054}
4055
4056static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
4057 struct link_params *params,
521683da
YR
4058 u8 fiber_mode,
4059 u8 always_autoneg)
3c9ada22
YR
4060{
4061 struct bnx2x *bp = params->bp;
4062 u16 val16, digctrl_kx1, digctrl_kx2;
3c9ada22
YR
4063
4064 /* Clear XFI clock comp in non-10G single lane mode. */
4065 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4066 MDIO_WC_REG_RX66_CONTROL, &val16);
4067 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4068 MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
4069
521683da 4070 if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
3c9ada22
YR
4071 /* SGMII Autoneg */
4072 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4073 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4074 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4075 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4076 val16 | 0x1000);
4077 DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
4078 } else {
4079 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4080 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
521683da 4081 val16 &= 0xcebf;
3c9ada22
YR
4082 switch (phy->req_line_speed) {
4083 case SPEED_10:
4084 break;
4085 case SPEED_100:
4086 val16 |= 0x2000;
4087 break;
4088 case SPEED_1000:
4089 val16 |= 0x0040;
4090 break;
4091 default:
94f05b0f
JP
4092 DP(NETIF_MSG_LINK,
4093 "Speed not supported: 0x%x\n", phy->req_line_speed);
3c9ada22
YR
4094 return;
4095 }
4096
4097 if (phy->req_duplex == DUPLEX_FULL)
4098 val16 |= 0x0100;
4099
4100 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4101 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
4102
4103 DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
4104 phy->req_line_speed);
4105 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4106 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4107 DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
4108 }
4109
4110 /* SGMII Slave mode and disable signal detect */
4111 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4112 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
4113 if (fiber_mode)
4114 digctrl_kx1 = 1;
4115 else
4116 digctrl_kx1 &= 0xff4a;
4117
4118 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4119 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4120 digctrl_kx1);
4121
4122 /* Turn off parallel detect */
4123 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4124 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
4125 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4126 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4127 (digctrl_kx2 & ~(1<<2)));
4128
4129 /* Re-enable parallel detect */
4130 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4131 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4132 (digctrl_kx2 | (1<<2)));
4133
4134 /* Enable autodet */
4135 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4136 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4137 (digctrl_kx1 | 0x10));
4138}
4139
4140static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
4141 struct bnx2x_phy *phy,
4142 u8 reset)
4143{
4144 u16 val;
4145 /* Take lane out of reset after configuration is finished */
4146 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4147 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4148 if (reset)
4149 val |= 0xC000;
4150 else
4151 val &= 0x3FFF;
4152 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4153 MDIO_WC_REG_DIGITAL5_MISC6, val);
4154 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4155 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4156}
2f751a80 4157/* Clear SFI/XFI link settings registers */
3c9ada22
YR
4158static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
4159 struct link_params *params,
4160 u16 lane)
4161{
4162 struct bnx2x *bp = params->bp;
4163 u16 val16;
4164
4165 /* Set XFI clock comp as default. */
4166 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4167 MDIO_WC_REG_RX66_CONTROL, &val16);
4168 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4169 MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
4170
4171 bnx2x_warpcore_reset_lane(bp, phy, 1);
4172 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
4173 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4174 MDIO_WC_REG_FX100_CTRL1, 0x014a);
4175 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4176 MDIO_WC_REG_FX100_CTRL3, 0x0800);
4177 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4178 MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
4179 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4180 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
4181 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4182 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
4183 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4184 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
4185 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4186 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
4187 lane = bnx2x_get_warpcore_lane(phy, params);
4188 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4189 MDIO_WC_REG_TX_FIR_TAP, 0x0000);
4190 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4191 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
4192 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4193 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
4194 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4195 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
4196 bnx2x_warpcore_reset_lane(bp, phy, 0);
4197}
4198
4199static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
4200 u32 chip_id,
4201 u32 shmem_base, u8 port,
4202 u8 *gpio_num, u8 *gpio_port)
4203{
4204 u32 cfg_pin;
4205 *gpio_num = 0;
4206 *gpio_port = 0;
4207 if (CHIP_IS_E3(bp)) {
4208 cfg_pin = (REG_RD(bp, shmem_base +
4209 offsetof(struct shmem_region,
4210 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4211 PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4212 PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4213
4214 /*
4215 * Should not happen. This function called upon interrupt
4216 * triggered by GPIO ( since EPIO can only generate interrupts
4217 * to MCP).
4218 * So if this function was called and none of the GPIOs was set,
4219 * it means the shit hit the fan.
4220 */
4221 if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4222 (cfg_pin > PIN_CFG_GPIO3_P1)) {
94f05b0f
JP
4223 DP(NETIF_MSG_LINK,
4224 "ERROR: Invalid cfg pin %x for module detect indication\n",
4225 cfg_pin);
3c9ada22
YR
4226 return -EINVAL;
4227 }
4228
4229 *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4230 *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4231 } else {
4232 *gpio_num = MISC_REGISTERS_GPIO_3;
4233 *gpio_port = port;
4234 }
4235 DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
4236 return 0;
4237}
4238
4239static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
4240 struct link_params *params)
4241{
4242 struct bnx2x *bp = params->bp;
4243 u8 gpio_num, gpio_port;
4244 u32 gpio_val;
4245 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
4246 params->shmem_base, params->port,
4247 &gpio_num, &gpio_port) != 0)
4248 return 0;
4249 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
4250
4251 /* Call the handling function in case module is detected */
4252 if (gpio_val == 0)
4253 return 1;
4254 else
4255 return 0;
4256}
a9077bfd
YR
4257static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
4258 struct link_params *params)
4259{
4260 u16 gp2_status_reg0, lane;
4261 struct bnx2x *bp = params->bp;
4262
4263 lane = bnx2x_get_warpcore_lane(phy, params);
4264
4265 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
4266 &gp2_status_reg0);
4267
4268 return (gp2_status_reg0 >> (8+lane)) & 0x1;
4269}
4270
4271static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
4272 struct link_params *params,
4273 struct link_vars *vars)
4274{
4275 struct bnx2x *bp = params->bp;
4276 u32 serdes_net_if;
4277 u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
4278 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4279
4280 vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
4281
4282 if (!vars->turn_to_run_wc_rt)
4283 return;
4284
4285 /* return if there is no link partner */
4286 if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
4287 DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
4288 return;
4289 }
4290
4291 if (vars->rx_tx_asic_rst) {
4292 serdes_net_if = (REG_RD(bp, params->shmem_base +
4293 offsetof(struct shmem_region, dev_info.
4294 port_hw_config[params->port].default_cfg)) &
4295 PORT_HW_CFG_NET_SERDES_IF_MASK);
4296
4297 switch (serdes_net_if) {
4298 case PORT_HW_CFG_NET_SERDES_IF_KR:
4299 /* Do we get link yet? */
4300 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
4301 &gp_status1);
4302 lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
4303 /*10G KR*/
4304 lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
4305
4306 DP(NETIF_MSG_LINK,
4307 "gp_status1 0x%x\n", gp_status1);
4308
4309 if (lnkup_kr || lnkup) {
4310 vars->rx_tx_asic_rst = 0;
4311 DP(NETIF_MSG_LINK,
4312 "link up, rx_tx_asic_rst 0x%x\n",
4313 vars->rx_tx_asic_rst);
4314 } else {
4315 /*reset the lane to see if link comes up.*/
4316 bnx2x_warpcore_reset_lane(bp, phy, 1);
4317 bnx2x_warpcore_reset_lane(bp, phy, 0);
4318
4319 /* restart Autoneg */
4320 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4321 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4322
4323 vars->rx_tx_asic_rst--;
4324 DP(NETIF_MSG_LINK, "0x%x retry left\n",
4325 vars->rx_tx_asic_rst);
4326 }
4327 break;
4328
4329 default:
4330 break;
4331 }
4332
4333 } /*params->rx_tx_asic_rst*/
4334
4335}
3c9ada22
YR
4336
4337static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
4338 struct link_params *params,
4339 struct link_vars *vars)
4340{
4341 struct bnx2x *bp = params->bp;
4342 u32 serdes_net_if;
4343 u8 fiber_mode;
4344 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4345 serdes_net_if = (REG_RD(bp, params->shmem_base +
4346 offsetof(struct shmem_region, dev_info.
4347 port_hw_config[params->port].default_cfg)) &
4348 PORT_HW_CFG_NET_SERDES_IF_MASK);
4349 DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
4350 "serdes_net_if = 0x%x\n",
4351 vars->line_speed, serdes_net_if);
4352 bnx2x_set_aer_mmd(params, phy);
4353
4354 vars->phy_flags |= PHY_XGXS_FLAG;
4355 if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4356 (phy->req_line_speed &&
4357 ((phy->req_line_speed == SPEED_100) ||
4358 (phy->req_line_speed == SPEED_10)))) {
4359 vars->phy_flags |= PHY_SGMII_FLAG;
4360 DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
4361 bnx2x_warpcore_clear_regs(phy, params, lane);
521683da 4362 bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
3c9ada22
YR
4363 } else {
4364 switch (serdes_net_if) {
4365 case PORT_HW_CFG_NET_SERDES_IF_KR:
4366 /* Enable KR Auto Neg */
4367 if (params->loopback_mode == LOOPBACK_NONE)
4368 bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4369 else {
4370 DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
4371 bnx2x_warpcore_set_10G_KR(phy, params, vars);
4372 }
4373 break;
4374
4375 case PORT_HW_CFG_NET_SERDES_IF_XFI:
4376 bnx2x_warpcore_clear_regs(phy, params, lane);
4377 if (vars->line_speed == SPEED_10000) {
4378 DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
4379 bnx2x_warpcore_set_10G_XFI(phy, params, 1);
4380 } else {
4381 if (SINGLE_MEDIA_DIRECT(params)) {
4382 DP(NETIF_MSG_LINK, "1G Fiber\n");
4383 fiber_mode = 1;
4384 } else {
4385 DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
4386 fiber_mode = 0;
4387 }
4388 bnx2x_warpcore_set_sgmii_speed(phy,
4389 params,
521683da
YR
4390 fiber_mode,
4391 0);
3c9ada22
YR
4392 }
4393
4394 break;
4395
4396 case PORT_HW_CFG_NET_SERDES_IF_SFI:
4397
4398 bnx2x_warpcore_clear_regs(phy, params, lane);
4399 if (vars->line_speed == SPEED_10000) {
4400 DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
4401 bnx2x_warpcore_set_10G_XFI(phy, params, 0);
4402 } else if (vars->line_speed == SPEED_1000) {
4403 DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
521683da
YR
4404 bnx2x_warpcore_set_sgmii_speed(
4405 phy, params, 1, 0);
3c9ada22
YR
4406 }
4407 /* Issue Module detection */
4408 if (bnx2x_is_sfp_module_plugged(phy, params))
4409 bnx2x_sfp_module_detection(phy, params);
4410 break;
4411
4412 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4413 if (vars->line_speed != SPEED_20000) {
4414 DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4415 return;
4416 }
4417 DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
4418 bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
4419 /* Issue Module detection */
4420
4421 bnx2x_sfp_module_detection(phy, params);
4422 break;
4423
4424 case PORT_HW_CFG_NET_SERDES_IF_KR2:
4425 if (vars->line_speed != SPEED_20000) {
4426 DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4427 return;
4428 }
4429 DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
4430 bnx2x_warpcore_set_20G_KR2(bp, phy);
4431 break;
4432
4433 default:
94f05b0f
JP
4434 DP(NETIF_MSG_LINK,
4435 "Unsupported Serdes Net Interface 0x%x\n",
4436 serdes_net_if);
3c9ada22
YR
4437 return;
4438 }
4439 }
4440
4441 /* Take lane out of reset after configuration is finished */
4442 bnx2x_warpcore_reset_lane(bp, phy, 0);
4443 DP(NETIF_MSG_LINK, "Exit config init\n");
4444}
4445
4446static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
4447 struct bnx2x_phy *phy,
4448 u8 tx_en)
4449{
4450 struct bnx2x *bp = params->bp;
4451 u32 cfg_pin;
4452 u8 port = params->port;
4453
4454 cfg_pin = REG_RD(bp, params->shmem_base +
4455 offsetof(struct shmem_region,
4456 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4457 PORT_HW_CFG_TX_LASER_MASK;
4458 /* Set the !tx_en since this pin is DISABLE_TX_LASER */
4459 DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
4460 /* For 20G, the expected pin to be used is 3 pins after the current */
4461
4462 bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
4463 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4464 bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
4465}
4466
4467static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
4468 struct link_params *params)
4469{
4470 struct bnx2x *bp = params->bp;
4471 u16 val16;
4472 bnx2x_sfp_e3_set_transmitter(params, phy, 0);
4473 bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
4474 bnx2x_set_aer_mmd(params, phy);
4475 /* Global register */
4476 bnx2x_warpcore_reset_lane(bp, phy, 1);
4477
4478 /* Clear loopback settings (if any) */
4479 /* 10G & 20G */
4480 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4481 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4482 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4483 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
4484 0xBFFF);
4485
4486 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4487 MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
4488 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4489 MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
4490
4491 /* Update those 1-copy registers */
4492 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4493 MDIO_AER_BLOCK_AER_REG, 0);
4494 /* Enable 1G MDIO (1-copy) */
4495 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4496 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4497 &val16);
4498 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4499 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4500 val16 & ~0x10);
4501
4502 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4503 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4504 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4505 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4506 val16 & 0xff00);
4507
4508}
4509
4510static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
4511 struct link_params *params)
4512{
4513 struct bnx2x *bp = params->bp;
4514 u16 val16;
4515 u32 lane;
4516 DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
4517 params->loopback_mode, phy->req_line_speed);
4518
4519 if (phy->req_line_speed < SPEED_10000) {
4520 /* 10/100/1000 */
4521
4522 /* Update those 1-copy registers */
4523 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4524 MDIO_AER_BLOCK_AER_REG, 0);
4525 /* Enable 1G MDIO (1-copy) */
4526 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4527 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4528 &val16);
4529 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4530 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4531 val16 | 0x10);
4532 /* Set 1G loopback based on lane (1-copy) */
4533 lane = bnx2x_get_warpcore_lane(phy, params);
4534 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4535 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4536 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4537 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4538 val16 | (1<<lane));
4539
4540 /* Switch back to 4-copy registers */
4541 bnx2x_set_aer_mmd(params, phy);
3c9ada22
YR
4542 } else {
4543 /* 10G & 20G */
4544 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4545 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4546 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4547 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
4548 0x4000);
4549
4550 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4551 MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
4552 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4553 MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
4554 }
4555}
4556
4557
2f751a80
YR
4558void bnx2x_sync_link(struct link_params *params,
4559 struct link_vars *vars)
de6eae1f
YR
4560{
4561 struct bnx2x *bp = params->bp;
9380bb9e 4562 u8 link_10g_plus;
de6f3377
YR
4563 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4564 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
2f751a80 4565 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
de6eae1f
YR
4566 if (vars->link_up) {
4567 DP(NETIF_MSG_LINK, "phy link up\n");
4568
4569 vars->phy_link_up = 1;
4570 vars->duplex = DUPLEX_FULL;
4571 switch (vars->link_status &
cd88ccee 4572 LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
de6eae1f
YR
4573 case LINK_10THD:
4574 vars->duplex = DUPLEX_HALF;
4575 /* fall thru */
4576 case LINK_10TFD:
4577 vars->line_speed = SPEED_10;
4578 break;
4579
4580 case LINK_100TXHD:
4581 vars->duplex = DUPLEX_HALF;
4582 /* fall thru */
4583 case LINK_100T4:
4584 case LINK_100TXFD:
4585 vars->line_speed = SPEED_100;
4586 break;
4587
4588 case LINK_1000THD:
4589 vars->duplex = DUPLEX_HALF;
4590 /* fall thru */
4591 case LINK_1000TFD:
4592 vars->line_speed = SPEED_1000;
4593 break;
4594
4595 case LINK_2500THD:
4596 vars->duplex = DUPLEX_HALF;
4597 /* fall thru */
4598 case LINK_2500TFD:
4599 vars->line_speed = SPEED_2500;
4600 break;
4601
4602 case LINK_10GTFD:
4603 vars->line_speed = SPEED_10000;
4604 break;
3c9ada22
YR
4605 case LINK_20GTFD:
4606 vars->line_speed = SPEED_20000;
4607 break;
de6eae1f
YR
4608 default:
4609 break;
4610 }
de6eae1f
YR
4611 vars->flow_ctrl = 0;
4612 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
4613 vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
4614
4615 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
4616 vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
4617
4618 if (!vars->flow_ctrl)
4619 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4620
4621 if (vars->line_speed &&
4622 ((vars->line_speed == SPEED_10) ||
4623 (vars->line_speed == SPEED_100))) {
4624 vars->phy_flags |= PHY_SGMII_FLAG;
4625 } else {
4626 vars->phy_flags &= ~PHY_SGMII_FLAG;
4627 }
3c9ada22
YR
4628 if (vars->line_speed &&
4629 USES_WARPCORE(bp) &&
4630 (vars->line_speed == SPEED_1000))
4631 vars->phy_flags |= PHY_SGMII_FLAG;
de6eae1f 4632 /* anything 10 and over uses the bmac */
9380bb9e
YR
4633 link_10g_plus = (vars->line_speed >= SPEED_10000);
4634
4635 if (link_10g_plus) {
4636 if (USES_WARPCORE(bp))
4637 vars->mac_type = MAC_TYPE_XMAC;
4638 else
3c9ada22 4639 vars->mac_type = MAC_TYPE_BMAC;
9380bb9e
YR
4640 } else {
4641 if (USES_WARPCORE(bp))
4642 vars->mac_type = MAC_TYPE_UMAC;
3c9ada22
YR
4643 else
4644 vars->mac_type = MAC_TYPE_EMAC;
9380bb9e 4645 }
de6eae1f
YR
4646 } else { /* link down */
4647 DP(NETIF_MSG_LINK, "phy link down\n");
4648
4649 vars->phy_link_up = 0;
4650
4651 vars->line_speed = 0;
4652 vars->duplex = DUPLEX_FULL;
4653 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4654
4655 /* indicate no mac active */
4656 vars->mac_type = MAC_TYPE_NONE;
de6f3377
YR
4657 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4658 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
de6eae1f 4659 }
2f751a80
YR
4660}
4661
4662void bnx2x_link_status_update(struct link_params *params,
4663 struct link_vars *vars)
4664{
4665 struct bnx2x *bp = params->bp;
4666 u8 port = params->port;
4667 u32 sync_offset, media_types;
4668 /* Update PHY configuration */
4669 set_phy_vars(params, vars);
de6eae1f 4670
2f751a80
YR
4671 vars->link_status = REG_RD(bp, params->shmem_base +
4672 offsetof(struct shmem_region,
4673 port_mb[port].link_status));
4674
4675 vars->phy_flags = PHY_XGXS_FLAG;
4676 bnx2x_sync_link(params, vars);
1ac9e428
YR
4677 /* Sync media type */
4678 sync_offset = params->shmem_base +
4679 offsetof(struct shmem_region,
4680 dev_info.port_hw_config[port].media_type);
4681 media_types = REG_RD(bp, sync_offset);
4682
4683 params->phy[INT_PHY].media_type =
4684 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
4685 PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
4686 params->phy[EXT_PHY1].media_type =
4687 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
4688 PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
4689 params->phy[EXT_PHY2].media_type =
4690 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
4691 PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
4692 DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
4693
020c7e3f
YR
4694 /* Sync AEU offset */
4695 sync_offset = params->shmem_base +
4696 offsetof(struct shmem_region,
4697 dev_info.port_hw_config[port].aeu_int_mask);
4698
4699 vars->aeu_int_mask = REG_RD(bp, sync_offset);
4700
b8d6d082
YR
4701 /* Sync PFC status */
4702 if (vars->link_status & LINK_STATUS_PFC_ENABLED)
4703 params->feature_config_flags |=
4704 FEATURE_CONFIG_PFC_ENABLED;
4705 else
4706 params->feature_config_flags &=
4707 ~FEATURE_CONFIG_PFC_ENABLED;
4708
020c7e3f
YR
4709 DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
4710 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
de6eae1f
YR
4711 DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
4712 vars->line_speed, vars->duplex, vars->flow_ctrl);
4713}
4714
de6eae1f
YR
4715static void bnx2x_set_master_ln(struct link_params *params,
4716 struct bnx2x_phy *phy)
4717{
4718 struct bnx2x *bp = params->bp;
4719 u16 new_master_ln, ser_lane;
cd88ccee 4720 ser_lane = ((params->lane_config &
de6eae1f 4721 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
cd88ccee 4722 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
de6eae1f
YR
4723
4724 /* set the master_ln for AN */
cd2be89b 4725 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
4726 MDIO_REG_BANK_XGXS_BLOCK2,
4727 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4728 &new_master_ln);
de6eae1f 4729
cd2be89b 4730 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
4731 MDIO_REG_BANK_XGXS_BLOCK2 ,
4732 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4733 (new_master_ln | ser_lane));
de6eae1f
YR
4734}
4735
fcf5b650
YR
4736static int bnx2x_reset_unicore(struct link_params *params,
4737 struct bnx2x_phy *phy,
4738 u8 set_serdes)
de6eae1f
YR
4739{
4740 struct bnx2x *bp = params->bp;
4741 u16 mii_control;
4742 u16 i;
cd2be89b 4743 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
4744 MDIO_REG_BANK_COMBO_IEEE0,
4745 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
de6eae1f
YR
4746
4747 /* reset the unicore */
cd2be89b 4748 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
4749 MDIO_REG_BANK_COMBO_IEEE0,
4750 MDIO_COMBO_IEEE0_MII_CONTROL,
4751 (mii_control |
4752 MDIO_COMBO_IEEO_MII_CONTROL_RESET));
de6eae1f
YR
4753 if (set_serdes)
4754 bnx2x_set_serdes_access(bp, params->port);
4755
4756 /* wait for the reset to self clear */
4757 for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
4758 udelay(5);
4759
4760 /* the reset erased the previous bank value */
cd2be89b 4761 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
4762 MDIO_REG_BANK_COMBO_IEEE0,
4763 MDIO_COMBO_IEEE0_MII_CONTROL,
4764 &mii_control);
de6eae1f
YR
4765
4766 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
4767 udelay(5);
4768 return 0;
4769 }
4770 }
ea4e040a 4771
6d870c39
YR
4772 netdev_err(bp->dev, "Warning: PHY was not initialized,"
4773 " Port %d\n",
4774 params->port);
ea4e040a
YR
4775 DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
4776 return -EINVAL;
4777
4778}
4779
e10bc84d
YR
4780static void bnx2x_set_swap_lanes(struct link_params *params,
4781 struct bnx2x_phy *phy)
ea4e040a
YR
4782{
4783 struct bnx2x *bp = params->bp;
2cf7acf9
YR
4784 /*
4785 * Each two bits represents a lane number:
4786 * No swap is 0123 => 0x1b no need to enable the swap
4787 */
2f751a80 4788 u16 rx_lane_swap, tx_lane_swap;
ea4e040a 4789
ea4e040a 4790 rx_lane_swap = ((params->lane_config &
cd88ccee
YR
4791 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
4792 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
ea4e040a 4793 tx_lane_swap = ((params->lane_config &
cd88ccee
YR
4794 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
4795 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
ea4e040a
YR
4796
4797 if (rx_lane_swap != 0x1b) {
cd2be89b 4798 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
4799 MDIO_REG_BANK_XGXS_BLOCK2,
4800 MDIO_XGXS_BLOCK2_RX_LN_SWAP,
4801 (rx_lane_swap |
4802 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
4803 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
ea4e040a 4804 } else {
cd2be89b 4805 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
4806 MDIO_REG_BANK_XGXS_BLOCK2,
4807 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
ea4e040a
YR
4808 }
4809
4810 if (tx_lane_swap != 0x1b) {
cd2be89b 4811 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
4812 MDIO_REG_BANK_XGXS_BLOCK2,
4813 MDIO_XGXS_BLOCK2_TX_LN_SWAP,
4814 (tx_lane_swap |
4815 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
ea4e040a 4816 } else {
cd2be89b 4817 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
4818 MDIO_REG_BANK_XGXS_BLOCK2,
4819 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
ea4e040a
YR
4820 }
4821}
4822
e10bc84d
YR
4823static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
4824 struct link_params *params)
ea4e040a
YR
4825{
4826 struct bnx2x *bp = params->bp;
4827 u16 control2;
cd2be89b 4828 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
4829 MDIO_REG_BANK_SERDES_DIGITAL,
4830 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4831 &control2);
7aa0711f 4832 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
18afb0a6
YR
4833 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4834 else
4835 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
7aa0711f
YR
4836 DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
4837 phy->speed_cap_mask, control2);
cd2be89b 4838 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
4839 MDIO_REG_BANK_SERDES_DIGITAL,
4840 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4841 control2);
ea4e040a 4842
e10bc84d 4843 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
c18aa15d 4844 (phy->speed_cap_mask &
18afb0a6 4845 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
ea4e040a
YR
4846 DP(NETIF_MSG_LINK, "XGXS\n");
4847
cd2be89b 4848 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
4849 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4850 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
4851 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
ea4e040a 4852
cd2be89b 4853 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
4854 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4855 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4856 &control2);
ea4e040a
YR
4857
4858
4859 control2 |=
4860 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
4861
cd2be89b 4862 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
4863 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4864 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4865 control2);
ea4e040a
YR
4866
4867 /* Disable parallel detection of HiG */
cd2be89b 4868 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
4869 MDIO_REG_BANK_XGXS_BLOCK2,
4870 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
4871 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
4872 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
ea4e040a
YR
4873 }
4874}
4875
e10bc84d
YR
4876static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
4877 struct link_params *params,
cd88ccee
YR
4878 struct link_vars *vars,
4879 u8 enable_cl73)
ea4e040a
YR
4880{
4881 struct bnx2x *bp = params->bp;
4882 u16 reg_val;
4883
4884 /* CL37 Autoneg */
cd2be89b 4885 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
4886 MDIO_REG_BANK_COMBO_IEEE0,
4887 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
ea4e040a
YR
4888
4889 /* CL37 Autoneg Enabled */
8c99e7b0 4890 if (vars->line_speed == SPEED_AUTO_NEG)
ea4e040a
YR
4891 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
4892 else /* CL37 Autoneg Disabled */
4893 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4894 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
4895
cd2be89b 4896 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
4897 MDIO_REG_BANK_COMBO_IEEE0,
4898 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
ea4e040a
YR
4899
4900 /* Enable/Disable Autodetection */
4901
cd2be89b 4902 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
4903 MDIO_REG_BANK_SERDES_DIGITAL,
4904 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
239d686d
EG
4905 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
4906 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
4907 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
8c99e7b0 4908 if (vars->line_speed == SPEED_AUTO_NEG)
ea4e040a
YR
4909 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
4910 else
4911 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
4912
cd2be89b 4913 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
4914 MDIO_REG_BANK_SERDES_DIGITAL,
4915 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
ea4e040a
YR
4916
4917 /* Enable TetonII and BAM autoneg */
cd2be89b 4918 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
4919 MDIO_REG_BANK_BAM_NEXT_PAGE,
4920 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
ea4e040a 4921 &reg_val);
8c99e7b0 4922 if (vars->line_speed == SPEED_AUTO_NEG) {
ea4e040a
YR
4923 /* Enable BAM aneg Mode and TetonII aneg Mode */
4924 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
4925 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
4926 } else {
4927 /* TetonII and BAM Autoneg Disabled */
4928 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
4929 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
4930 }
cd2be89b 4931 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
4932 MDIO_REG_BANK_BAM_NEXT_PAGE,
4933 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
4934 reg_val);
ea4e040a 4935
239d686d
EG
4936 if (enable_cl73) {
4937 /* Enable Cl73 FSM status bits */
cd2be89b 4938 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
4939 MDIO_REG_BANK_CL73_USERB0,
4940 MDIO_CL73_USERB0_CL73_UCTRL,
4941 0xe);
239d686d
EG
4942
4943 /* Enable BAM Station Manager*/
cd2be89b 4944 CL22_WR_OVER_CL45(bp, phy,
239d686d
EG
4945 MDIO_REG_BANK_CL73_USERB0,
4946 MDIO_CL73_USERB0_CL73_BAM_CTRL1,
4947 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
4948 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
4949 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
4950
7846e471 4951 /* Advertise CL73 link speeds */
cd2be89b 4952 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
4953 MDIO_REG_BANK_CL73_IEEEB1,
4954 MDIO_CL73_IEEEB1_AN_ADV2,
4955 &reg_val);
7aa0711f 4956 if (phy->speed_cap_mask &
7846e471
YR
4957 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
4958 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
7aa0711f 4959 if (phy->speed_cap_mask &
7846e471
YR
4960 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
4961 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
239d686d 4962
cd2be89b 4963 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
4964 MDIO_REG_BANK_CL73_IEEEB1,
4965 MDIO_CL73_IEEEB1_AN_ADV2,
4966 reg_val);
239d686d 4967
239d686d
EG
4968 /* CL73 Autoneg Enabled */
4969 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
4970
4971 } else /* CL73 Autoneg Disabled */
4972 reg_val = 0;
ea4e040a 4973
cd2be89b 4974 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
4975 MDIO_REG_BANK_CL73_IEEEB0,
4976 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
ea4e040a
YR
4977}
4978
4979/* program SerDes, forced speed */
e10bc84d
YR
4980static void bnx2x_program_serdes(struct bnx2x_phy *phy,
4981 struct link_params *params,
cd88ccee 4982 struct link_vars *vars)
ea4e040a
YR
4983{
4984 struct bnx2x *bp = params->bp;
4985 u16 reg_val;
4986
57937203 4987 /* program duplex, disable autoneg and sgmii*/
cd2be89b 4988 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
4989 MDIO_REG_BANK_COMBO_IEEE0,
4990 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
ea4e040a 4991 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
57937203
EG
4992 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4993 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
7aa0711f 4994 if (phy->req_duplex == DUPLEX_FULL)
ea4e040a 4995 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
cd2be89b 4996 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
4997 MDIO_REG_BANK_COMBO_IEEE0,
4998 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
ea4e040a 4999
2cf7acf9
YR
5000 /*
5001 * program speed
5002 * - needed only if the speed is greater than 1G (2.5G or 10G)
5003 */
cd2be89b 5004 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5005 MDIO_REG_BANK_SERDES_DIGITAL,
5006 MDIO_SERDES_DIGITAL_MISC1, &reg_val);
8c99e7b0
YR
5007 /* clearing the speed value before setting the right speed */
5008 DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
5009
5010 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
5011 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5012
5013 if (!((vars->line_speed == SPEED_1000) ||
5014 (vars->line_speed == SPEED_100) ||
5015 (vars->line_speed == SPEED_10))) {
5016
ea4e040a
YR
5017 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
5018 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
8c99e7b0 5019 if (vars->line_speed == SPEED_10000)
ea4e040a
YR
5020 reg_val |=
5021 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
8c99e7b0
YR
5022 }
5023
cd2be89b 5024 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5025 MDIO_REG_BANK_SERDES_DIGITAL,
5026 MDIO_SERDES_DIGITAL_MISC1, reg_val);
8c99e7b0 5027
ea4e040a
YR
5028}
5029
9045f6b4
YR
5030static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
5031 struct link_params *params)
ea4e040a
YR
5032{
5033 struct bnx2x *bp = params->bp;
5034 u16 val = 0;
5035
5036 /* configure the 48 bits for BAM AN */
5037
5038 /* set extended capabilities */
7aa0711f 5039 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
ea4e040a 5040 val |= MDIO_OVER_1G_UP1_2_5G;
7aa0711f 5041 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
ea4e040a 5042 val |= MDIO_OVER_1G_UP1_10G;
cd2be89b 5043 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5044 MDIO_REG_BANK_OVER_1G,
5045 MDIO_OVER_1G_UP1, val);
ea4e040a 5046
cd2be89b 5047 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5048 MDIO_REG_BANK_OVER_1G,
5049 MDIO_OVER_1G_UP3, 0x400);
ea4e040a
YR
5050}
5051
9045f6b4
YR
5052static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
5053 struct link_params *params,
5054 u16 ieee_fc)
8c99e7b0
YR
5055{
5056 struct bnx2x *bp = params->bp;
7846e471 5057 u16 val;
8c99e7b0 5058 /* for AN, we are always publishing full duplex */
ea4e040a 5059
cd2be89b 5060 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5061 MDIO_REG_BANK_COMBO_IEEE0,
5062 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
cd2be89b 5063 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5064 MDIO_REG_BANK_CL73_IEEEB1,
5065 MDIO_CL73_IEEEB1_AN_ADV1, &val);
7846e471
YR
5066 val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
5067 val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
cd2be89b 5068 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5069 MDIO_REG_BANK_CL73_IEEEB1,
5070 MDIO_CL73_IEEEB1_AN_ADV1, val);
ea4e040a
YR
5071}
5072
e10bc84d
YR
5073static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
5074 struct link_params *params,
5075 u8 enable_cl73)
ea4e040a
YR
5076{
5077 struct bnx2x *bp = params->bp;
3a36f2ef 5078 u16 mii_control;
239d686d 5079
ea4e040a 5080 DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
3a36f2ef 5081 /* Enable and restart BAM/CL37 aneg */
ea4e040a 5082
239d686d 5083 if (enable_cl73) {
cd2be89b 5084 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5085 MDIO_REG_BANK_CL73_IEEEB0,
5086 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5087 &mii_control);
239d686d 5088
cd2be89b 5089 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5090 MDIO_REG_BANK_CL73_IEEEB0,
5091 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5092 (mii_control |
5093 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
5094 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
239d686d
EG
5095 } else {
5096
cd2be89b 5097 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5098 MDIO_REG_BANK_COMBO_IEEE0,
5099 MDIO_COMBO_IEEE0_MII_CONTROL,
5100 &mii_control);
239d686d
EG
5101 DP(NETIF_MSG_LINK,
5102 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
5103 mii_control);
cd2be89b 5104 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5105 MDIO_REG_BANK_COMBO_IEEE0,
5106 MDIO_COMBO_IEEE0_MII_CONTROL,
5107 (mii_control |
5108 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5109 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
239d686d 5110 }
ea4e040a
YR
5111}
5112
e10bc84d
YR
5113static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
5114 struct link_params *params,
cd88ccee 5115 struct link_vars *vars)
ea4e040a
YR
5116{
5117 struct bnx2x *bp = params->bp;
5118 u16 control1;
5119
5120 /* in SGMII mode, the unicore is always slave */
5121
cd2be89b 5122 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5123 MDIO_REG_BANK_SERDES_DIGITAL,
5124 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5125 &control1);
ea4e040a
YR
5126 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
5127 /* set sgmii mode (and not fiber) */
5128 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
5129 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
5130 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
cd2be89b 5131 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5132 MDIO_REG_BANK_SERDES_DIGITAL,
5133 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5134 control1);
ea4e040a
YR
5135
5136 /* if forced speed */
8c99e7b0 5137 if (!(vars->line_speed == SPEED_AUTO_NEG)) {
ea4e040a
YR
5138 /* set speed, disable autoneg */
5139 u16 mii_control;
5140
cd2be89b 5141 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5142 MDIO_REG_BANK_COMBO_IEEE0,
5143 MDIO_COMBO_IEEE0_MII_CONTROL,
5144 &mii_control);
ea4e040a
YR
5145 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5146 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
5147 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
5148
8c99e7b0 5149 switch (vars->line_speed) {
ea4e040a
YR
5150 case SPEED_100:
5151 mii_control |=
5152 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
5153 break;
5154 case SPEED_1000:
5155 mii_control |=
5156 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
5157 break;
5158 case SPEED_10:
5159 /* there is nothing to set for 10M */
5160 break;
5161 default:
5162 /* invalid speed for SGMII */
8c99e7b0
YR
5163 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5164 vars->line_speed);
ea4e040a
YR
5165 break;
5166 }
5167
5168 /* setting the full duplex */
7aa0711f 5169 if (phy->req_duplex == DUPLEX_FULL)
ea4e040a
YR
5170 mii_control |=
5171 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
cd2be89b 5172 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5173 MDIO_REG_BANK_COMBO_IEEE0,
5174 MDIO_COMBO_IEEE0_MII_CONTROL,
5175 mii_control);
ea4e040a
YR
5176
5177 } else { /* AN mode */
5178 /* enable and restart AN */
e10bc84d 5179 bnx2x_restart_autoneg(phy, params, 0);
ea4e040a
YR
5180 }
5181}
5182
5183
5184/*
5185 * link management
5186 */
5187
fcf5b650
YR
5188static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
5189 struct link_params *params)
15ddd2d0
YR
5190{
5191 struct bnx2x *bp = params->bp;
5192 u16 pd_10g, status2_1000x;
7aa0711f
YR
5193 if (phy->req_line_speed != SPEED_AUTO_NEG)
5194 return 0;
cd2be89b 5195 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5196 MDIO_REG_BANK_SERDES_DIGITAL,
5197 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5198 &status2_1000x);
cd2be89b 5199 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5200 MDIO_REG_BANK_SERDES_DIGITAL,
5201 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5202 &status2_1000x);
15ddd2d0
YR
5203 if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
5204 DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
5205 params->port);
5206 return 1;
5207 }
5208
cd2be89b 5209 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5210 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5211 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
5212 &pd_10g);
15ddd2d0
YR
5213
5214 if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
5215 DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
5216 params->port);
5217 return 1;
5218 }
5219 return 0;
5220}
ea4e040a 5221
e10bc84d
YR
5222static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
5223 struct link_params *params,
5224 struct link_vars *vars,
5225 u32 gp_status)
ea4e040a
YR
5226{
5227 struct bnx2x *bp = params->bp;
3196a88a
EG
5228 u16 ld_pause; /* local driver */
5229 u16 lp_pause; /* link partner */
ea4e040a
YR
5230 u16 pause_result;
5231
c0700f90 5232 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
ea4e040a
YR
5233
5234 /* resolve from gp_status in case of AN complete and not sgmii */
7aa0711f
YR
5235 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
5236 vars->flow_ctrl = phy->req_flow_ctrl;
5237 else if (phy->req_line_speed != SPEED_AUTO_NEG)
5238 vars->flow_ctrl = params->req_fc_auto_adv;
5239 else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
5240 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
e10bc84d 5241 if (bnx2x_direct_parallel_detect_used(phy, params)) {
15ddd2d0
YR
5242 vars->flow_ctrl = params->req_fc_auto_adv;
5243 return;
5244 }
7846e471
YR
5245 if ((gp_status &
5246 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5247 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
5248 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5249 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
5250
cd2be89b 5251 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5252 MDIO_REG_BANK_CL73_IEEEB1,
5253 MDIO_CL73_IEEEB1_AN_ADV1,
5254 &ld_pause);
cd2be89b 5255 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5256 MDIO_REG_BANK_CL73_IEEEB1,
5257 MDIO_CL73_IEEEB1_AN_LP_ADV1,
5258 &lp_pause);
7846e471
YR
5259 pause_result = (ld_pause &
5260 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
5261 >> 8;
5262 pause_result |= (lp_pause &
5263 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
5264 >> 10;
5265 DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
5266 pause_result);
5267 } else {
cd2be89b 5268 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5269 MDIO_REG_BANK_COMBO_IEEE0,
5270 MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
5271 &ld_pause);
cd2be89b 5272 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5273 MDIO_REG_BANK_COMBO_IEEE0,
5274 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
5275 &lp_pause);
7846e471 5276 pause_result = (ld_pause &
ea4e040a 5277 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
7846e471 5278 pause_result |= (lp_pause &
cd88ccee 5279 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
7846e471
YR
5280 DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
5281 pause_result);
5282 }
ea4e040a 5283 bnx2x_pause_resolve(vars, pause_result);
ea4e040a
YR
5284 }
5285 DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
5286}
5287
e10bc84d
YR
5288static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
5289 struct link_params *params)
239d686d
EG
5290{
5291 struct bnx2x *bp = params->bp;
9045f6b4 5292 u16 rx_status, ustat_val, cl37_fsm_received;
239d686d
EG
5293 DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
5294 /* Step 1: Make sure signal is detected */
cd2be89b 5295 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5296 MDIO_REG_BANK_RX0,
5297 MDIO_RX0_RX_STATUS,
5298 &rx_status);
239d686d
EG
5299 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
5300 (MDIO_RX0_RX_STATUS_SIGDET)) {
5301 DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
5302 "rx_status(0x80b0) = 0x%x\n", rx_status);
cd2be89b 5303 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5304 MDIO_REG_BANK_CL73_IEEEB0,
5305 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5306 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
239d686d
EG
5307 return;
5308 }
5309 /* Step 2: Check CL73 state machine */
cd2be89b 5310 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5311 MDIO_REG_BANK_CL73_USERB0,
5312 MDIO_CL73_USERB0_CL73_USTAT1,
5313 &ustat_val);
239d686d
EG
5314 if ((ustat_val &
5315 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5316 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
5317 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5318 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
5319 DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
5320 "ustat_val(0x8371) = 0x%x\n", ustat_val);
5321 return;
5322 }
2cf7acf9
YR
5323 /*
5324 * Step 3: Check CL37 Message Pages received to indicate LP
5325 * supports only CL37
5326 */
cd2be89b 5327 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5328 MDIO_REG_BANK_REMOTE_PHY,
5329 MDIO_REMOTE_PHY_MISC_RX_STATUS,
9045f6b4
YR
5330 &cl37_fsm_received);
5331 if ((cl37_fsm_received &
239d686d
EG
5332 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5333 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
5334 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5335 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
5336 DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
5337 "misc_rx_status(0x8330) = 0x%x\n",
9045f6b4 5338 cl37_fsm_received);
239d686d
EG
5339 return;
5340 }
2cf7acf9
YR
5341 /*
5342 * The combined cl37/cl73 fsm state information indicating that
5343 * we are connected to a device which does not support cl73, but
5344 * does support cl37 BAM. In this case we disable cl73 and
5345 * restart cl37 auto-neg
5346 */
5347
239d686d 5348 /* Disable CL73 */
cd2be89b 5349 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5350 MDIO_REG_BANK_CL73_IEEEB0,
5351 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5352 0);
239d686d 5353 /* Restart CL37 autoneg */
e10bc84d 5354 bnx2x_restart_autoneg(phy, params, 0);
239d686d
EG
5355 DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
5356}
7aa0711f
YR
5357
5358static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
5359 struct link_params *params,
5360 struct link_vars *vars,
5361 u32 gp_status)
5362{
5363 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
5364 vars->link_status |=
5365 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5366
5367 if (bnx2x_direct_parallel_detect_used(phy, params))
5368 vars->link_status |=
5369 LINK_STATUS_PARALLEL_DETECTION_USED;
5370}
3c9ada22
YR
5371static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
5372 struct link_params *params,
5373 struct link_vars *vars,
5374 u16 is_link_up,
5375 u16 speed_mask,
5376 u16 is_duplex)
ea4e040a
YR
5377{
5378 struct bnx2x *bp = params->bp;
7aa0711f
YR
5379 if (phy->req_line_speed == SPEED_AUTO_NEG)
5380 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3c9ada22
YR
5381 if (is_link_up) {
5382 DP(NETIF_MSG_LINK, "phy link up\n");
ea4e040a
YR
5383
5384 vars->phy_link_up = 1;
5385 vars->link_status |= LINK_STATUS_LINK_UP;
5386
3c9ada22 5387 switch (speed_mask) {
ea4e040a 5388 case GP_STATUS_10M:
3c9ada22 5389 vars->line_speed = SPEED_10;
ea4e040a
YR
5390 if (vars->duplex == DUPLEX_FULL)
5391 vars->link_status |= LINK_10TFD;
5392 else
5393 vars->link_status |= LINK_10THD;
5394 break;
5395
5396 case GP_STATUS_100M:
3c9ada22 5397 vars->line_speed = SPEED_100;
ea4e040a
YR
5398 if (vars->duplex == DUPLEX_FULL)
5399 vars->link_status |= LINK_100TXFD;
5400 else
5401 vars->link_status |= LINK_100TXHD;
5402 break;
5403
5404 case GP_STATUS_1G:
5405 case GP_STATUS_1G_KX:
3c9ada22 5406 vars->line_speed = SPEED_1000;
ea4e040a
YR
5407 if (vars->duplex == DUPLEX_FULL)
5408 vars->link_status |= LINK_1000TFD;
5409 else
5410 vars->link_status |= LINK_1000THD;
5411 break;
5412
5413 case GP_STATUS_2_5G:
3c9ada22 5414 vars->line_speed = SPEED_2500;
ea4e040a
YR
5415 if (vars->duplex == DUPLEX_FULL)
5416 vars->link_status |= LINK_2500TFD;
5417 else
5418 vars->link_status |= LINK_2500THD;
5419 break;
5420
5421 case GP_STATUS_5G:
5422 case GP_STATUS_6G:
5423 DP(NETIF_MSG_LINK,
5424 "link speed unsupported gp_status 0x%x\n",
3c9ada22 5425 speed_mask);
ea4e040a 5426 return -EINVAL;
ab6ad5a4 5427
ea4e040a
YR
5428 case GP_STATUS_10G_KX4:
5429 case GP_STATUS_10G_HIG:
5430 case GP_STATUS_10G_CX4:
3c9ada22
YR
5431 case GP_STATUS_10G_KR:
5432 case GP_STATUS_10G_SFI:
5433 case GP_STATUS_10G_XFI:
5434 vars->line_speed = SPEED_10000;
ea4e040a
YR
5435 vars->link_status |= LINK_10GTFD;
5436 break;
3c9ada22
YR
5437 case GP_STATUS_20G_DXGXS:
5438 vars->line_speed = SPEED_20000;
5439 vars->link_status |= LINK_20GTFD;
5440 break;
ea4e040a
YR
5441 default:
5442 DP(NETIF_MSG_LINK,
5443 "link speed unsupported gp_status 0x%x\n",
3c9ada22 5444 speed_mask);
ab6ad5a4 5445 return -EINVAL;
ea4e040a 5446 }
ea4e040a
YR
5447 } else { /* link_down */
5448 DP(NETIF_MSG_LINK, "phy link down\n");
5449
5450 vars->phy_link_up = 0;
57963ed9 5451
ea4e040a 5452 vars->duplex = DUPLEX_FULL;
c0700f90 5453 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
ea4e040a 5454 vars->mac_type = MAC_TYPE_NONE;
3c9ada22
YR
5455 }
5456 DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
5457 vars->phy_link_up, vars->line_speed);
5458 return 0;
5459}
5460
5461static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
5462 struct link_params *params,
5463 struct link_vars *vars)
5464{
3c9ada22
YR
5465 struct bnx2x *bp = params->bp;
5466
5467 u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
5468 int rc = 0;
5469
5470 /* Read gp_status */
5471 CL22_RD_OVER_CL45(bp, phy,
5472 MDIO_REG_BANK_GP_STATUS,
5473 MDIO_GP_STATUS_TOP_AN_STATUS1,
5474 &gp_status);
5475 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
5476 duplex = DUPLEX_FULL;
5477 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
5478 link_up = 1;
5479 speed_mask = gp_status & GP_STATUS_SPEED_MASK;
5480 DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
5481 gp_status, link_up, speed_mask);
5482 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
5483 duplex);
5484 if (rc == -EINVAL)
5485 return rc;
239d686d 5486
3c9ada22
YR
5487 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
5488 if (SINGLE_MEDIA_DIRECT(params)) {
5489 bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
5490 if (phy->req_line_speed == SPEED_AUTO_NEG)
5491 bnx2x_xgxs_an_resolve(phy, params, vars,
5492 gp_status);
5493 }
5494 } else { /* link_down */
c18aa15d
YR
5495 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5496 SINGLE_MEDIA_DIRECT(params)) {
239d686d 5497 /* Check signal is detected */
c18aa15d 5498 bnx2x_check_fallback_to_cl37(phy, params);
239d686d 5499 }
ea4e040a
YR
5500 }
5501
a22f0788
YR
5502 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5503 vars->duplex, vars->flow_ctrl, vars->link_status);
ea4e040a
YR
5504 return rc;
5505}
5506
3c9ada22
YR
5507static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
5508 struct link_params *params,
5509 struct link_vars *vars)
5510{
3c9ada22 5511 struct bnx2x *bp = params->bp;
3c9ada22
YR
5512 u8 lane;
5513 u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
5514 int rc = 0;
5515 lane = bnx2x_get_warpcore_lane(phy, params);
5516 /* Read gp_status */
5517 if (phy->req_line_speed > SPEED_10000) {
5518 u16 temp_link_up;
5519 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5520 1, &temp_link_up);
5521 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5522 1, &link_up);
5523 DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
5524 temp_link_up, link_up);
5525 link_up &= (1<<2);
5526 if (link_up)
5527 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5528 } else {
5529 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5530 MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
5531 DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
5532 /* Check for either KR or generic link up. */
5533 gp_status1 = ((gp_status1 >> 8) & 0xf) |
5534 ((gp_status1 >> 12) & 0xf);
5535 link_up = gp_status1 & (1 << lane);
5536 if (link_up && SINGLE_MEDIA_DIRECT(params)) {
5537 u16 pd, gp_status4;
5538 if (phy->req_line_speed == SPEED_AUTO_NEG) {
5539 /* Check Autoneg complete */
5540 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5541 MDIO_WC_REG_GP2_STATUS_GP_2_4,
5542 &gp_status4);
5543 if (gp_status4 & ((1<<12)<<lane))
5544 vars->link_status |=
5545 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5546
5547 /* Check parallel detect used */
5548 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5549 MDIO_WC_REG_PAR_DET_10G_STATUS,
5550 &pd);
5551 if (pd & (1<<15))
5552 vars->link_status |=
5553 LINK_STATUS_PARALLEL_DETECTION_USED;
5554 }
5555 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5556 }
5557 }
5558
5559 if (lane < 2) {
5560 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5561 MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
5562 } else {
5563 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5564 MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
5565 }
5566 DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
5567
5568 if ((lane & 1) == 0)
5569 gp_speed <<= 8;
5570 gp_speed &= 0x3f00;
5571
5572
5573 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
5574 duplex);
5575
5576 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5577 vars->duplex, vars->flow_ctrl, vars->link_status);
5578 return rc;
5579}
ed8680a7 5580static void bnx2x_set_gmii_tx_driver(struct link_params *params)
ea4e040a
YR
5581{
5582 struct bnx2x *bp = params->bp;
e10bc84d 5583 struct bnx2x_phy *phy = &params->phy[INT_PHY];
ea4e040a
YR
5584 u16 lp_up2;
5585 u16 tx_driver;
c2c8b03e 5586 u16 bank;
ea4e040a
YR
5587
5588 /* read precomp */
cd2be89b 5589 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5590 MDIO_REG_BANK_OVER_1G,
5591 MDIO_OVER_1G_LP_UP2, &lp_up2);
ea4e040a 5592
ea4e040a
YR
5593 /* bits [10:7] at lp_up2, positioned at [15:12] */
5594 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
5595 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
5596 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
5597
c2c8b03e
EG
5598 if (lp_up2 == 0)
5599 return;
5600
5601 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
5602 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
cd2be89b 5603 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5604 bank,
5605 MDIO_TX0_TX_DRIVER, &tx_driver);
c2c8b03e
EG
5606
5607 /* replace tx_driver bits [15:12] */
5608 if (lp_up2 !=
5609 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
5610 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
5611 tx_driver |= lp_up2;
cd2be89b 5612 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5613 bank,
5614 MDIO_TX0_TX_DRIVER, tx_driver);
c2c8b03e 5615 }
ea4e040a
YR
5616 }
5617}
5618
fcf5b650
YR
5619static int bnx2x_emac_program(struct link_params *params,
5620 struct link_vars *vars)
ea4e040a
YR
5621{
5622 struct bnx2x *bp = params->bp;
5623 u8 port = params->port;
5624 u16 mode = 0;
5625
5626 DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
5627 bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
cd88ccee
YR
5628 EMAC_REG_EMAC_MODE,
5629 (EMAC_MODE_25G_MODE |
5630 EMAC_MODE_PORT_MII_10M |
5631 EMAC_MODE_HALF_DUPLEX));
b7737c9b 5632 switch (vars->line_speed) {
ea4e040a
YR
5633 case SPEED_10:
5634 mode |= EMAC_MODE_PORT_MII_10M;
5635 break;
5636
5637 case SPEED_100:
5638 mode |= EMAC_MODE_PORT_MII;
5639 break;
5640
5641 case SPEED_1000:
5642 mode |= EMAC_MODE_PORT_GMII;
5643 break;
5644
5645 case SPEED_2500:
5646 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
5647 break;
5648
5649 default:
5650 /* 10G not valid for EMAC */
b7737c9b
YR
5651 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5652 vars->line_speed);
ea4e040a
YR
5653 return -EINVAL;
5654 }
5655
b7737c9b 5656 if (vars->duplex == DUPLEX_HALF)
ea4e040a
YR
5657 mode |= EMAC_MODE_HALF_DUPLEX;
5658 bnx2x_bits_en(bp,
cd88ccee
YR
5659 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
5660 mode);
ea4e040a 5661
7f02c4ad 5662 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
ea4e040a
YR
5663 return 0;
5664}
5665
de6eae1f
YR
5666static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
5667 struct link_params *params)
b7737c9b 5668{
de6eae1f
YR
5669
5670 u16 bank, i = 0;
5671 struct bnx2x *bp = params->bp;
5672
5673 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
5674 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
cd2be89b 5675 CL22_WR_OVER_CL45(bp, phy,
de6eae1f
YR
5676 bank,
5677 MDIO_RX0_RX_EQ_BOOST,
5678 phy->rx_preemphasis[i]);
5679 }
5680
5681 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
5682 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
cd2be89b 5683 CL22_WR_OVER_CL45(bp, phy,
de6eae1f
YR
5684 bank,
5685 MDIO_TX0_TX_DRIVER,
5686 phy->tx_preemphasis[i]);
5687 }
5688}
5689
ec146a6f
YR
5690static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
5691 struct link_params *params,
5692 struct link_vars *vars)
de6eae1f
YR
5693{
5694 struct bnx2x *bp = params->bp;
5695 u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
5696 (params->loopback_mode == LOOPBACK_XGXS));
5697 if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
5698 if (SINGLE_MEDIA_DIRECT(params) &&
5699 (params->feature_config_flags &
5700 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
5701 bnx2x_set_preemphasis(phy, params);
5702
5703 /* forced speed requested? */
5704 if (vars->line_speed != SPEED_AUTO_NEG ||
5705 (SINGLE_MEDIA_DIRECT(params) &&
cd88ccee 5706 params->loopback_mode == LOOPBACK_EXT)) {
de6eae1f
YR
5707 DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
5708
5709 /* disable autoneg */
5710 bnx2x_set_autoneg(phy, params, vars, 0);
5711
5712 /* program speed and duplex */
5713 bnx2x_program_serdes(phy, params, vars);
5714
5715 } else { /* AN_mode */
5716 DP(NETIF_MSG_LINK, "not SGMII, AN\n");
5717
5718 /* AN enabled */
9045f6b4 5719 bnx2x_set_brcm_cl37_advertisement(phy, params);
de6eae1f
YR
5720
5721 /* program duplex & pause advertisement (for aneg) */
9045f6b4
YR
5722 bnx2x_set_ieee_aneg_advertisement(phy, params,
5723 vars->ieee_fc);
de6eae1f
YR
5724
5725 /* enable autoneg */
5726 bnx2x_set_autoneg(phy, params, vars, enable_cl73);
5727
5728 /* enable and restart AN */
5729 bnx2x_restart_autoneg(phy, params, enable_cl73);
5730 }
5731
5732 } else { /* SGMII mode */
5733 DP(NETIF_MSG_LINK, "SGMII\n");
5734
5735 bnx2x_initialize_sgmii_process(phy, params, vars);
5736 }
5737}
5738
ec146a6f
YR
5739static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
5740 struct link_params *params,
5741 struct link_vars *vars)
b7737c9b 5742{
fcf5b650 5743 int rc;
ec146a6f 5744 vars->phy_flags |= PHY_XGXS_FLAG;
b7737c9b
YR
5745 if ((phy->req_line_speed &&
5746 ((phy->req_line_speed == SPEED_100) ||
5747 (phy->req_line_speed == SPEED_10))) ||
5748 (!phy->req_line_speed &&
5749 (phy->speed_cap_mask >=
5750 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
5751 (phy->speed_cap_mask <
ec146a6f
YR
5752 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5753 (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
b7737c9b
YR
5754 vars->phy_flags |= PHY_SGMII_FLAG;
5755 else
5756 vars->phy_flags &= ~PHY_SGMII_FLAG;
5757
5758 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
ec146a6f
YR
5759 bnx2x_set_aer_mmd(params, phy);
5760 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
5761 bnx2x_set_master_ln(params, phy);
b7737c9b
YR
5762
5763 rc = bnx2x_reset_unicore(params, phy, 0);
5764 /* reset the SerDes and wait for reset bit return low */
5765 if (rc != 0)
5766 return rc;
5767
ec146a6f 5768 bnx2x_set_aer_mmd(params, phy);
b7737c9b 5769 /* setting the masterLn_def again after the reset */
ec146a6f
YR
5770 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
5771 bnx2x_set_master_ln(params, phy);
5772 bnx2x_set_swap_lanes(params, phy);
5773 }
b7737c9b
YR
5774
5775 return rc;
5776}
c18aa15d 5777
de6eae1f 5778static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
6d870c39
YR
5779 struct bnx2x_phy *phy,
5780 struct link_params *params)
ea4e040a 5781{
de6eae1f 5782 u16 cnt, ctrl;
25985edc 5783 /* Wait for soft reset to get cleared up to 1 sec */
de6eae1f 5784 for (cnt = 0; cnt < 1000; cnt++) {
52c4d6c4 5785 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6583e33b
YR
5786 bnx2x_cl22_read(bp, phy,
5787 MDIO_PMA_REG_CTRL, &ctrl);
5788 else
5789 bnx2x_cl45_read(bp, phy,
5790 MDIO_PMA_DEVAD,
5791 MDIO_PMA_REG_CTRL, &ctrl);
de6eae1f
YR
5792 if (!(ctrl & (1<<15)))
5793 break;
5794 msleep(1);
5795 }
6d870c39
YR
5796
5797 if (cnt == 1000)
5798 netdev_err(bp->dev, "Warning: PHY was not initialized,"
5799 " Port %d\n",
5800 params->port);
de6eae1f
YR
5801 DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
5802 return cnt;
ea4e040a
YR
5803}
5804
de6eae1f 5805static void bnx2x_link_int_enable(struct link_params *params)
a35da8db 5806{
de6eae1f
YR
5807 u8 port = params->port;
5808 u32 mask;
5809 struct bnx2x *bp = params->bp;
c18aa15d 5810
2cf7acf9 5811 /* Setting the status to report on link up for either XGXS or SerDes */
3c9ada22
YR
5812 if (CHIP_IS_E3(bp)) {
5813 mask = NIG_MASK_XGXS0_LINK_STATUS;
5814 if (!(SINGLE_MEDIA_DIRECT(params)))
5815 mask |= NIG_MASK_MI_INT;
5816 } else if (params->switch_cfg == SWITCH_CFG_10G) {
de6eae1f
YR
5817 mask = (NIG_MASK_XGXS0_LINK10G |
5818 NIG_MASK_XGXS0_LINK_STATUS);
5819 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
5820 if (!(SINGLE_MEDIA_DIRECT(params)) &&
5821 params->phy[INT_PHY].type !=
5822 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
5823 mask |= NIG_MASK_MI_INT;
5824 DP(NETIF_MSG_LINK, "enabled external phy int\n");
5825 }
5826
5827 } else { /* SerDes */
5828 mask = NIG_MASK_SERDES0_LINK_STATUS;
5829 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
5830 if (!(SINGLE_MEDIA_DIRECT(params)) &&
5831 params->phy[INT_PHY].type !=
5832 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
5833 mask |= NIG_MASK_MI_INT;
5834 DP(NETIF_MSG_LINK, "enabled external phy int\n");
5835 }
5836 }
5837 bnx2x_bits_en(bp,
5838 NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
5839 mask);
5840
5841 DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
5842 (params->switch_cfg == SWITCH_CFG_10G),
5843 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
5844 DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
5845 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
5846 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
5847 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
5848 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
5849 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
5850 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
a35da8db
EG
5851}
5852
a22f0788
YR
5853static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
5854 u8 exp_mi_int)
a35da8db 5855{
a22f0788
YR
5856 u32 latch_status = 0;
5857
2cf7acf9 5858 /*
a22f0788
YR
5859 * Disable the MI INT ( external phy int ) by writing 1 to the
5860 * status register. Link down indication is high-active-signal,
5861 * so in this case we need to write the status to clear the XOR
de6eae1f
YR
5862 */
5863 /* Read Latched signals */
5864 latch_status = REG_RD(bp,
a22f0788
YR
5865 NIG_REG_LATCH_STATUS_0 + port*8);
5866 DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
de6eae1f 5867 /* Handle only those with latched-signal=up.*/
a22f0788
YR
5868 if (exp_mi_int)
5869 bnx2x_bits_en(bp,
5870 NIG_REG_STATUS_INTERRUPT_PORT0
5871 + port*4,
5872 NIG_STATUS_EMAC0_MI_INT);
5873 else
5874 bnx2x_bits_dis(bp,
5875 NIG_REG_STATUS_INTERRUPT_PORT0
5876 + port*4,
5877 NIG_STATUS_EMAC0_MI_INT);
5878
de6eae1f 5879 if (latch_status & 1) {
a22f0788 5880
de6eae1f
YR
5881 /* For all latched-signal=up : Re-Arm Latch signals */
5882 REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
cd88ccee 5883 (latch_status & 0xfffe) | (latch_status & 1));
de6eae1f 5884 }
a22f0788 5885 /* For all latched-signal=up,Write original_signal to status */
a35da8db
EG
5886}
5887
de6eae1f 5888static void bnx2x_link_int_ack(struct link_params *params,
3c9ada22 5889 struct link_vars *vars, u8 is_10g_plus)
b1607af5 5890{
e10bc84d 5891 struct bnx2x *bp = params->bp;
de6eae1f 5892 u8 port = params->port;
3c9ada22 5893 u32 mask;
2cf7acf9
YR
5894 /*
5895 * First reset all status we assume only one line will be
5896 * change at a time
5897 */
de6eae1f 5898 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
cd88ccee
YR
5899 (NIG_STATUS_XGXS0_LINK10G |
5900 NIG_STATUS_XGXS0_LINK_STATUS |
5901 NIG_STATUS_SERDES0_LINK_STATUS));
de6eae1f 5902 if (vars->phy_link_up) {
3c9ada22
YR
5903 if (USES_WARPCORE(bp))
5904 mask = NIG_STATUS_XGXS0_LINK_STATUS;
5905 else {
5906 if (is_10g_plus)
5907 mask = NIG_STATUS_XGXS0_LINK10G;
5908 else if (params->switch_cfg == SWITCH_CFG_10G) {
5909 /*
5910 * Disable the link interrupt by writing 1 to
5911 * the relevant lane in the status register
5912 */
5913 u32 ser_lane =
5914 ((params->lane_config &
de6eae1f
YR
5915 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
5916 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3c9ada22
YR
5917 mask = ((1 << ser_lane) <<
5918 NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
5919 } else
5920 mask = NIG_STATUS_SERDES0_LINK_STATUS;
de6eae1f 5921 }
3c9ada22
YR
5922 DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
5923 mask);
5924 bnx2x_bits_en(bp,
5925 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
5926 mask);
ea4e040a 5927 }
ea4e040a 5928}
ea4e040a 5929
fcf5b650 5930static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
de6eae1f
YR
5931{
5932 u8 *str_ptr = str;
5933 u32 mask = 0xf0000000;
5934 u8 shift = 8*4;
5935 u8 digit;
a22f0788 5936 u8 remove_leading_zeros = 1;
de6eae1f
YR
5937 if (*len < 10) {
5938 /* Need more than 10chars for this format */
5939 *str_ptr = '\0';
a22f0788 5940 (*len)--;
de6eae1f 5941 return -EINVAL;
ea4e040a 5942 }
de6eae1f 5943 while (shift > 0) {
ea4e040a 5944
de6eae1f
YR
5945 shift -= 4;
5946 digit = ((num & mask) >> shift);
a22f0788
YR
5947 if (digit == 0 && remove_leading_zeros) {
5948 mask = mask >> 4;
5949 continue;
5950 } else if (digit < 0xa)
de6eae1f
YR
5951 *str_ptr = digit + '0';
5952 else
5953 *str_ptr = digit - 0xa + 'a';
a22f0788 5954 remove_leading_zeros = 0;
de6eae1f 5955 str_ptr++;
a22f0788 5956 (*len)--;
de6eae1f
YR
5957 mask = mask >> 4;
5958 if (shift == 4*4) {
a22f0788 5959 *str_ptr = '.';
de6eae1f 5960 str_ptr++;
a22f0788
YR
5961 (*len)--;
5962 remove_leading_zeros = 1;
ea4e040a 5963 }
ea4e040a 5964 }
de6eae1f 5965 return 0;
ea4e040a
YR
5966}
5967
a22f0788 5968
fcf5b650 5969static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
ea4e040a 5970{
de6eae1f
YR
5971 str[0] = '\0';
5972 (*len)--;
5973 return 0;
5974}
ea4e040a 5975
fcf5b650
YR
5976int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
5977 u8 *version, u16 len)
de6eae1f
YR
5978{
5979 struct bnx2x *bp;
5980 u32 spirom_ver = 0;
fcf5b650 5981 int status = 0;
de6eae1f 5982 u8 *ver_p = version;
a22f0788 5983 u16 remain_len = len;
de6eae1f
YR
5984 if (version == NULL || params == NULL)
5985 return -EINVAL;
5986 bp = params->bp;
ea4e040a 5987
de6eae1f
YR
5988 /* Extract first external phy*/
5989 version[0] = '\0';
5990 spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
ea4e040a 5991
a22f0788 5992 if (params->phy[EXT_PHY1].format_fw_ver) {
de6eae1f
YR
5993 status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
5994 ver_p,
a22f0788
YR
5995 &remain_len);
5996 ver_p += (len - remain_len);
5997 }
5998 if ((params->num_phys == MAX_PHYS) &&
5999 (params->phy[EXT_PHY2].ver_addr != 0)) {
cd88ccee 6000 spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
a22f0788
YR
6001 if (params->phy[EXT_PHY2].format_fw_ver) {
6002 *ver_p = '/';
6003 ver_p++;
6004 remain_len--;
6005 status |= params->phy[EXT_PHY2].format_fw_ver(
6006 spirom_ver,
6007 ver_p,
6008 &remain_len);
6009 ver_p = version + (len - remain_len);
6010 }
6011 }
6012 *ver_p = '\0';
de6eae1f 6013 return status;
6bbca910 6014}
ea4e040a 6015
de6eae1f
YR
6016static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
6017 struct link_params *params)
589abe3a 6018{
de6eae1f 6019 u8 port = params->port;
589abe3a 6020 struct bnx2x *bp = params->bp;
589abe3a 6021
de6eae1f 6022 if (phy->req_line_speed != SPEED_1000) {
3c9ada22 6023 u32 md_devad = 0;
589abe3a 6024
de6eae1f 6025 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
589abe3a 6026
3c9ada22
YR
6027 if (!CHIP_IS_E3(bp)) {
6028 /* change the uni_phy_addr in the nig */
6029 md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
6030 port*0x18));
cc1cb004 6031
3c9ada22
YR
6032 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6033 0x5);
6034 }
589abe3a 6035
de6eae1f 6036 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
6037 5,
6038 (MDIO_REG_BANK_AER_BLOCK +
6039 (MDIO_AER_BLOCK_AER_REG & 0xf)),
6040 0x2800);
589abe3a 6041
de6eae1f 6042 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
6043 5,
6044 (MDIO_REG_BANK_CL73_IEEEB0 +
6045 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
6046 0x6041);
de6eae1f
YR
6047 msleep(200);
6048 /* set aer mmd back */
ec146a6f 6049 bnx2x_set_aer_mmd(params, phy);
589abe3a 6050
3c9ada22
YR
6051 if (!CHIP_IS_E3(bp)) {
6052 /* and md_devad */
6053 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6054 md_devad);
6055 }
de6eae1f
YR
6056 } else {
6057 u16 mii_ctrl;
6058 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
6059 bnx2x_cl45_read(bp, phy, 5,
6060 (MDIO_REG_BANK_COMBO_IEEE0 +
6061 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6062 &mii_ctrl);
6063 bnx2x_cl45_write(bp, phy, 5,
6064 (MDIO_REG_BANK_COMBO_IEEE0 +
6065 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6066 mii_ctrl |
6067 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
6068 }
589abe3a
EG
6069}
6070
fcf5b650
YR
6071int bnx2x_set_led(struct link_params *params,
6072 struct link_vars *vars, u8 mode, u32 speed)
4d295db0 6073{
de6eae1f
YR
6074 u8 port = params->port;
6075 u16 hw_led_mode = params->hw_led_mode;
fcf5b650
YR
6076 int rc = 0;
6077 u8 phy_idx;
de6eae1f
YR
6078 u32 tmp;
6079 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
589abe3a 6080 struct bnx2x *bp = params->bp;
de6eae1f
YR
6081 DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
6082 DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
6083 speed, hw_led_mode);
7f02c4ad
YR
6084 /* In case */
6085 for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
6086 if (params->phy[phy_idx].set_link_led) {
6087 params->phy[phy_idx].set_link_led(
6088 &params->phy[phy_idx], params, mode);
6089 }
6090 }
6091
de6eae1f 6092 switch (mode) {
7f02c4ad 6093 case LED_MODE_FRONT_PANEL_OFF:
de6eae1f
YR
6094 case LED_MODE_OFF:
6095 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
6096 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
cd88ccee 6097 SHARED_HW_CFG_LED_MAC1);
589abe3a 6098
de6eae1f 6099 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
001cea77
YR
6100 if (params->phy[EXT_PHY1].type ==
6101 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6102 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp & 0xfff1);
6103 else {
6104 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6105 (tmp | EMAC_LED_OVERRIDE));
6106 }
de6eae1f 6107 break;
589abe3a 6108
de6eae1f 6109 case LED_MODE_OPER:
2cf7acf9 6110 /*
7f02c4ad
YR
6111 * For all other phys, OPER mode is same as ON, so in case
6112 * link is down, do nothing
2cf7acf9 6113 */
7f02c4ad
YR
6114 if (!vars->link_up)
6115 break;
6116 case LED_MODE_ON:
e4d78f12
YR
6117 if (((params->phy[EXT_PHY1].type ==
6118 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
6119 (params->phy[EXT_PHY1].type ==
6120 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
1f48353a 6121 CHIP_IS_E2(bp) && params->num_phys == 2) {
2cf7acf9
YR
6122 /*
6123 * This is a work-around for E2+8727 Configurations
6124 */
1f48353a
YR
6125 if (mode == LED_MODE_ON ||
6126 speed == SPEED_10000){
6127 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6128 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6129
6130 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6131 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6132 (tmp | EMAC_LED_OVERRIDE));
793bd450
YR
6133 /*
6134 * return here without enabling traffic
ab505dec 6135 * LED blink and setting rate in ON mode.
793bd450
YR
6136 * In oper mode, enabling LED blink
6137 * and setting rate is needed.
6138 */
6139 if (mode == LED_MODE_ON)
6140 return rc;
1f48353a 6141 }
793bd450 6142 } else if (SINGLE_MEDIA_DIRECT(params)) {
2cf7acf9
YR
6143 /*
6144 * This is a work-around for HW issue found when link
6145 * is up in CL73
6146 */
ab505dec
YR
6147 if ((!CHIP_IS_E3(bp)) ||
6148 (CHIP_IS_E3(bp) &&
6149 mode == LED_MODE_ON))
6150 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6151
793bd450
YR
6152 if (CHIP_IS_E1x(bp) ||
6153 CHIP_IS_E2(bp) ||
6154 (mode == LED_MODE_ON))
6155 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6156 else
6157 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6158 hw_led_mode);
001cea77
YR
6159 } else if ((params->phy[EXT_PHY1].type ==
6160 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
6161 (mode != LED_MODE_OPER)) {
6162 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6163 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6164 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp | 0x3);
793bd450 6165 } else
001cea77
YR
6166 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6167 hw_led_mode);
589abe3a 6168
cd88ccee 6169 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
de6eae1f 6170 /* Set blinking rate to ~15.9Hz */
26ffaf36
YR
6171 if (CHIP_IS_E3(bp))
6172 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6173 LED_BLINK_RATE_VAL_E3);
6174 else
6175 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6176 LED_BLINK_RATE_VAL_E1X_E2);
de6eae1f 6177 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
cd88ccee 6178 port*4, 1);
001cea77
YR
6179 if ((params->phy[EXT_PHY1].type !=
6180 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
6181 (mode != LED_MODE_OPER)) {
6182 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6183 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6184 (tmp & (~EMAC_LED_OVERRIDE)));
6185 }
589abe3a 6186
de6eae1f
YR
6187 if (CHIP_IS_E1(bp) &&
6188 ((speed == SPEED_2500) ||
6189 (speed == SPEED_1000) ||
6190 (speed == SPEED_100) ||
6191 (speed == SPEED_10))) {
2cf7acf9
YR
6192 /*
6193 * On Everest 1 Ax chip versions for speeds less than
6194 * 10G LED scheme is different
6195 */
de6eae1f 6196 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
cd88ccee 6197 + port*4, 1);
de6eae1f 6198 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
cd88ccee 6199 port*4, 0);
de6eae1f 6200 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
cd88ccee 6201 port*4, 1);
de6eae1f
YR
6202 }
6203 break;
589abe3a 6204
de6eae1f
YR
6205 default:
6206 rc = -EINVAL;
6207 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
6208 mode);
6209 break;
589abe3a 6210 }
de6eae1f 6211 return rc;
589abe3a 6212
4d295db0
EG
6213}
6214
2cf7acf9 6215/*
a22f0788
YR
6216 * This function comes to reflect the actual link state read DIRECTLY from the
6217 * HW
6218 */
fcf5b650
YR
6219int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
6220 u8 is_serdes)
4d295db0
EG
6221{
6222 struct bnx2x *bp = params->bp;
de6eae1f 6223 u16 gp_status = 0, phy_index = 0;
a22f0788
YR
6224 u8 ext_phy_link_up = 0, serdes_phy_type;
6225 struct link_vars temp_vars;
3c9ada22
YR
6226 struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
6227
6228 if (CHIP_IS_E3(bp)) {
6229 u16 link_up;
6230 if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
6231 > SPEED_10000) {
6232 /* Check 20G link */
6233 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6234 1, &link_up);
6235 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6236 1, &link_up);
6237 link_up &= (1<<2);
6238 } else {
6239 /* Check 10G link and below*/
6240 u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
6241 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6242 MDIO_WC_REG_GP2_STATUS_GP_2_1,
6243 &gp_status);
6244 gp_status = ((gp_status >> 8) & 0xf) |
6245 ((gp_status >> 12) & 0xf);
6246 link_up = gp_status & (1 << lane);
6247 }
6248 if (!link_up)
6249 return -ESRCH;
6250 } else {
6251 CL22_RD_OVER_CL45(bp, int_phy,
cd88ccee
YR
6252 MDIO_REG_BANK_GP_STATUS,
6253 MDIO_GP_STATUS_TOP_AN_STATUS1,
6254 &gp_status);
de6eae1f 6255 /* link is up only if both local phy and external phy are up */
a22f0788
YR
6256 if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
6257 return -ESRCH;
3c9ada22
YR
6258 }
6259 /* In XGXS loopback mode, do not check external PHY */
6260 if (params->loopback_mode == LOOPBACK_XGXS)
6261 return 0;
a22f0788
YR
6262
6263 switch (params->num_phys) {
6264 case 1:
6265 /* No external PHY */
6266 return 0;
6267 case 2:
6268 ext_phy_link_up = params->phy[EXT_PHY1].read_status(
6269 &params->phy[EXT_PHY1],
6270 params, &temp_vars);
6271 break;
6272 case 3: /* Dual Media */
de6eae1f
YR
6273 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6274 phy_index++) {
a22f0788
YR
6275 serdes_phy_type = ((params->phy[phy_index].media_type ==
6276 ETH_PHY_SFP_FIBER) ||
6277 (params->phy[phy_index].media_type ==
1ac9e428
YR
6278 ETH_PHY_XFP_FIBER) ||
6279 (params->phy[phy_index].media_type ==
6280 ETH_PHY_DA_TWINAX));
a22f0788
YR
6281
6282 if (is_serdes != serdes_phy_type)
6283 continue;
6284 if (params->phy[phy_index].read_status) {
6285 ext_phy_link_up |=
de6eae1f
YR
6286 params->phy[phy_index].read_status(
6287 &params->phy[phy_index],
6288 params, &temp_vars);
a22f0788 6289 }
de6eae1f 6290 }
a22f0788 6291 break;
4d295db0 6292 }
a22f0788
YR
6293 if (ext_phy_link_up)
6294 return 0;
de6eae1f
YR
6295 return -ESRCH;
6296}
4d295db0 6297
fcf5b650
YR
6298static int bnx2x_link_initialize(struct link_params *params,
6299 struct link_vars *vars)
de6eae1f 6300{
fcf5b650 6301 int rc = 0;
de6eae1f
YR
6302 u8 phy_index, non_ext_phy;
6303 struct bnx2x *bp = params->bp;
2cf7acf9
YR
6304 /*
6305 * In case of external phy existence, the line speed would be the
6306 * line speed linked up by the external phy. In case it is direct
6307 * only, then the line_speed during initialization will be
6308 * equal to the req_line_speed
6309 */
de6eae1f 6310 vars->line_speed = params->phy[INT_PHY].req_line_speed;
4d295db0 6311
2cf7acf9 6312 /*
de6eae1f
YR
6313 * Initialize the internal phy in case this is a direct board
6314 * (no external phys), or this board has external phy which requires
6315 * to first.
6316 */
3c9ada22
YR
6317 if (!USES_WARPCORE(bp))
6318 bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
de6eae1f
YR
6319 /* init ext phy and enable link state int */
6320 non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
6321 (params->loopback_mode == LOOPBACK_XGXS));
4d295db0 6322
de6eae1f
YR
6323 if (non_ext_phy ||
6324 (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
6325 (params->loopback_mode == LOOPBACK_EXT_PHY)) {
6326 struct bnx2x_phy *phy = &params->phy[INT_PHY];
3c9ada22
YR
6327 if (vars->line_speed == SPEED_AUTO_NEG &&
6328 (CHIP_IS_E1x(bp) ||
6329 CHIP_IS_E2(bp)))
de6eae1f 6330 bnx2x_set_parallel_detection(phy, params);
ec146a6f
YR
6331 if (params->phy[INT_PHY].config_init)
6332 params->phy[INT_PHY].config_init(phy,
6333 params,
6334 vars);
4d295db0
EG
6335 }
6336
de6eae1f 6337 /* Init external phy*/
fd36a2e6
YR
6338 if (non_ext_phy) {
6339 if (params->phy[INT_PHY].supported &
6340 SUPPORTED_FIBRE)
6341 vars->link_status |= LINK_STATUS_SERDES_LINK;
6342 } else {
de6eae1f
YR
6343 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6344 phy_index++) {
2cf7acf9 6345 /*
a22f0788
YR
6346 * No need to initialize second phy in case of first
6347 * phy only selection. In case of second phy, we do
6348 * need to initialize the first phy, since they are
6349 * connected.
2cf7acf9 6350 */
fd36a2e6
YR
6351 if (params->phy[phy_index].supported &
6352 SUPPORTED_FIBRE)
6353 vars->link_status |= LINK_STATUS_SERDES_LINK;
6354
a22f0788
YR
6355 if (phy_index == EXT_PHY2 &&
6356 (bnx2x_phy_selection(params) ==
6357 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
94f05b0f
JP
6358 DP(NETIF_MSG_LINK,
6359 "Not initializing second phy\n");
a22f0788
YR
6360 continue;
6361 }
de6eae1f
YR
6362 params->phy[phy_index].config_init(
6363 &params->phy[phy_index],
6364 params, vars);
6365 }
fd36a2e6 6366 }
de6eae1f
YR
6367 /* Reset the interrupt indication after phy was initialized */
6368 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
6369 params->port*4,
6370 (NIG_STATUS_XGXS0_LINK10G |
6371 NIG_STATUS_XGXS0_LINK_STATUS |
6372 NIG_STATUS_SERDES0_LINK_STATUS |
6373 NIG_MASK_MI_INT));
fd36a2e6 6374 bnx2x_update_mng(params, vars->link_status);
de6eae1f
YR
6375 return rc;
6376}
4d295db0 6377
de6eae1f
YR
6378static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
6379 struct link_params *params)
6380{
6381 /* reset the SerDes/XGXS */
cd88ccee
YR
6382 REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6383 (0x1ff << (params->port*16)));
589abe3a
EG
6384}
6385
de6eae1f
YR
6386static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
6387 struct link_params *params)
4d295db0 6388{
de6eae1f
YR
6389 struct bnx2x *bp = params->bp;
6390 u8 gpio_port;
6391 /* HW reset */
f2e0899f
DK
6392 if (CHIP_IS_E2(bp))
6393 gpio_port = BP_PATH(bp);
6394 else
6395 gpio_port = params->port;
de6eae1f 6396 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
cd88ccee
YR
6397 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6398 gpio_port);
de6eae1f 6399 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
cd88ccee
YR
6400 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6401 gpio_port);
de6eae1f 6402 DP(NETIF_MSG_LINK, "reset external PHY\n");
4d295db0 6403}
589abe3a 6404
fcf5b650
YR
6405static int bnx2x_update_link_down(struct link_params *params,
6406 struct link_vars *vars)
589abe3a
EG
6407{
6408 struct bnx2x *bp = params->bp;
de6eae1f 6409 u8 port = params->port;
589abe3a 6410
de6eae1f 6411 DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
7f02c4ad 6412 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
3deb8167 6413 vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
de6eae1f
YR
6414 /* indicate no mac active */
6415 vars->mac_type = MAC_TYPE_NONE;
ab6ad5a4 6416
de6eae1f 6417 /* update shared memory */
fd36a2e6
YR
6418 vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
6419 LINK_STATUS_LINK_UP |
de6f3377 6420 LINK_STATUS_PHYSICAL_LINK_FLAG |
fd36a2e6
YR
6421 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
6422 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
6423 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
6424 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
de6eae1f
YR
6425 vars->line_speed = 0;
6426 bnx2x_update_mng(params, vars->link_status);
589abe3a 6427
de6eae1f
YR
6428 /* activate nig drain */
6429 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
4d295db0 6430
de6eae1f 6431 /* disable emac */
9380bb9e
YR
6432 if (!CHIP_IS_E3(bp))
6433 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
de6eae1f
YR
6434
6435 msleep(10);
9380bb9e
YR
6436 /* reset BigMac/Xmac */
6437 if (CHIP_IS_E1x(bp) ||
6438 CHIP_IS_E2(bp)) {
6439 bnx2x_bmac_rx_disable(bp, params->port);
6440 REG_WR(bp, GRCBASE_MISC +
6441 MISC_REGISTERS_RESET_REG_2_CLEAR,
cd88ccee 6442 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
9380bb9e 6443 }
ce7c0489 6444 if (CHIP_IS_E3(bp)) {
9380bb9e 6445 bnx2x_xmac_disable(params);
ce7c0489
YR
6446 bnx2x_umac_disable(params);
6447 }
9380bb9e 6448
589abe3a
EG
6449 return 0;
6450}
de6eae1f 6451
fcf5b650
YR
6452static int bnx2x_update_link_up(struct link_params *params,
6453 struct link_vars *vars,
6454 u8 link_10g)
589abe3a
EG
6455{
6456 struct bnx2x *bp = params->bp;
de6eae1f 6457 u8 port = params->port;
fcf5b650 6458 int rc = 0;
4d295db0 6459
de6f3377
YR
6460 vars->link_status |= (LINK_STATUS_LINK_UP |
6461 LINK_STATUS_PHYSICAL_LINK_FLAG);
3deb8167 6462 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
7f02c4ad 6463
de6eae1f
YR
6464 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
6465 vars->link_status |=
6466 LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
589abe3a 6467
de6eae1f
YR
6468 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
6469 vars->link_status |=
6470 LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
9380bb9e 6471 if (USES_WARPCORE(bp)) {
3deb8167
YR
6472 if (link_10g) {
6473 if (bnx2x_xmac_enable(params, vars, 0) ==
6474 -ESRCH) {
6475 DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
6476 vars->link_up = 0;
6477 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6478 vars->link_status &= ~LINK_STATUS_LINK_UP;
6479 }
6480 } else
9380bb9e 6481 bnx2x_umac_enable(params, vars, 0);
7f02c4ad 6482 bnx2x_set_led(params, vars,
9380bb9e
YR
6483 LED_MODE_OPER, vars->line_speed);
6484 }
6485 if ((CHIP_IS_E1x(bp) ||
6486 CHIP_IS_E2(bp))) {
6487 if (link_10g) {
3deb8167
YR
6488 if (bnx2x_bmac_enable(params, vars, 0) ==
6489 -ESRCH) {
6490 DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
6491 vars->link_up = 0;
6492 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6493 vars->link_status &= ~LINK_STATUS_LINK_UP;
6494 }
cc1cb004 6495
9380bb9e
YR
6496 bnx2x_set_led(params, vars,
6497 LED_MODE_OPER, SPEED_10000);
6498 } else {
6499 rc = bnx2x_emac_program(params, vars);
6500 bnx2x_emac_enable(params, vars, 0);
6501
6502 /* AN complete? */
6503 if ((vars->link_status &
6504 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
6505 && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
6506 SINGLE_MEDIA_DIRECT(params))
6507 bnx2x_set_gmii_tx_driver(params);
6508 }
de6eae1f 6509 }
cc1cb004 6510
de6eae1f 6511 /* PBF - link up */
9380bb9e 6512 if (CHIP_IS_E1x(bp))
f2e0899f
DK
6513 rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6514 vars->line_speed);
589abe3a 6515
de6eae1f
YR
6516 /* disable drain */
6517 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
589abe3a 6518
de6eae1f
YR
6519 /* update shared memory */
6520 bnx2x_update_mng(params, vars->link_status);
6521 msleep(20);
6522 return rc;
589abe3a 6523}
2cf7acf9 6524/*
de6eae1f
YR
6525 * The bnx2x_link_update function should be called upon link
6526 * interrupt.
6527 * Link is considered up as follows:
6528 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
6529 * to be up
6530 * - SINGLE_MEDIA - The link between the 577xx and the external
6531 * phy (XGXS) need to up as well as the external link of the
6532 * phy (PHY_EXT1)
6533 * - DUAL_MEDIA - The link between the 577xx and the first
6534 * external phy needs to be up, and at least one of the 2
6535 * external phy link must be up.
6536 */
fcf5b650 6537int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
4d295db0 6538{
de6eae1f
YR
6539 struct bnx2x *bp = params->bp;
6540 struct link_vars phy_vars[MAX_PHYS];
6541 u8 port = params->port;
3c9ada22 6542 u8 link_10g_plus, phy_index;
fcf5b650
YR
6543 u8 ext_phy_link_up = 0, cur_link_up;
6544 int rc = 0;
de6eae1f
YR
6545 u8 is_mi_int = 0;
6546 u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
6547 u8 active_external_phy = INT_PHY;
3deb8167 6548 vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
de6eae1f
YR
6549 for (phy_index = INT_PHY; phy_index < params->num_phys;
6550 phy_index++) {
6551 phy_vars[phy_index].flow_ctrl = 0;
6552 phy_vars[phy_index].link_status = 0;
6553 phy_vars[phy_index].line_speed = 0;
6554 phy_vars[phy_index].duplex = DUPLEX_FULL;
6555 phy_vars[phy_index].phy_link_up = 0;
6556 phy_vars[phy_index].link_up = 0;
c688fe2f 6557 phy_vars[phy_index].fault_detected = 0;
de6eae1f 6558 }
4d295db0 6559
3c9ada22
YR
6560 if (USES_WARPCORE(bp))
6561 bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
6562
de6eae1f
YR
6563 DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
6564 port, (vars->phy_flags & PHY_XGXS_FLAG),
6565 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
4d295db0 6566
de6eae1f 6567 is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
cd88ccee 6568 port*0x18) > 0);
de6eae1f
YR
6569 DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
6570 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6571 is_mi_int,
cd88ccee 6572 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
4d295db0 6573
de6eae1f
YR
6574 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6575 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6576 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
4d295db0 6577
de6eae1f 6578 /* disable emac */
9380bb9e
YR
6579 if (!CHIP_IS_E3(bp))
6580 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
4d295db0 6581
2cf7acf9
YR
6582 /*
6583 * Step 1:
6584 * Check external link change only for external phys, and apply
6585 * priority selection between them in case the link on both phys
9045f6b4 6586 * is up. Note that instead of the common vars, a temporary
2cf7acf9
YR
6587 * vars argument is used since each phy may have different link/
6588 * speed/duplex result
6589 */
de6eae1f
YR
6590 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6591 phy_index++) {
6592 struct bnx2x_phy *phy = &params->phy[phy_index];
6593 if (!phy->read_status)
6594 continue;
6595 /* Read link status and params of this ext phy */
6596 cur_link_up = phy->read_status(phy, params,
6597 &phy_vars[phy_index]);
6598 if (cur_link_up) {
6599 DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
6600 phy_index);
6601 } else {
6602 DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
6603 phy_index);
6604 continue;
6605 }
e10bc84d 6606
de6eae1f
YR
6607 if (!ext_phy_link_up) {
6608 ext_phy_link_up = 1;
6609 active_external_phy = phy_index;
a22f0788
YR
6610 } else {
6611 switch (bnx2x_phy_selection(params)) {
6612 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6613 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
2cf7acf9 6614 /*
a22f0788
YR
6615 * In this option, the first PHY makes sure to pass the
6616 * traffic through itself only.
6617 * Its not clear how to reset the link on the second phy
2cf7acf9 6618 */
a22f0788
YR
6619 active_external_phy = EXT_PHY1;
6620 break;
6621 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
2cf7acf9 6622 /*
a22f0788
YR
6623 * In this option, the first PHY makes sure to pass the
6624 * traffic through the second PHY.
2cf7acf9 6625 */
a22f0788
YR
6626 active_external_phy = EXT_PHY2;
6627 break;
6628 default:
2cf7acf9 6629 /*
a22f0788
YR
6630 * Link indication on both PHYs with the following cases
6631 * is invalid:
6632 * - FIRST_PHY means that second phy wasn't initialized,
6633 * hence its link is expected to be down
6634 * - SECOND_PHY means that first phy should not be able
6635 * to link up by itself (using configuration)
6636 * - DEFAULT should be overriden during initialiazation
2cf7acf9 6637 */
a22f0788
YR
6638 DP(NETIF_MSG_LINK, "Invalid link indication"
6639 "mpc=0x%x. DISABLING LINK !!!\n",
6640 params->multi_phy_config);
6641 ext_phy_link_up = 0;
6642 break;
6643 }
589abe3a 6644 }
589abe3a 6645 }
de6eae1f 6646 prev_line_speed = vars->line_speed;
2cf7acf9
YR
6647 /*
6648 * Step 2:
6649 * Read the status of the internal phy. In case of
6650 * DIRECT_SINGLE_MEDIA board, this link is the external link,
6651 * otherwise this is the link between the 577xx and the first
6652 * external phy
6653 */
de6eae1f
YR
6654 if (params->phy[INT_PHY].read_status)
6655 params->phy[INT_PHY].read_status(
6656 &params->phy[INT_PHY],
6657 params, vars);
2cf7acf9 6658 /*
de6eae1f
YR
6659 * The INT_PHY flow control reside in the vars. This include the
6660 * case where the speed or flow control are not set to AUTO.
6661 * Otherwise, the active external phy flow control result is set
6662 * to the vars. The ext_phy_line_speed is needed to check if the
6663 * speed is different between the internal phy and external phy.
6664 * This case may be result of intermediate link speed change.
4d295db0 6665 */
de6eae1f
YR
6666 if (active_external_phy > INT_PHY) {
6667 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
2cf7acf9 6668 /*
de6eae1f
YR
6669 * Link speed is taken from the XGXS. AN and FC result from
6670 * the external phy.
4d295db0 6671 */
de6eae1f 6672 vars->link_status |= phy_vars[active_external_phy].link_status;
a22f0788 6673
2cf7acf9 6674 /*
a22f0788
YR
6675 * if active_external_phy is first PHY and link is up - disable
6676 * disable TX on second external PHY
6677 */
6678 if (active_external_phy == EXT_PHY1) {
6679 if (params->phy[EXT_PHY2].phy_specific_func) {
94f05b0f
JP
6680 DP(NETIF_MSG_LINK,
6681 "Disabling TX on EXT_PHY2\n");
a22f0788
YR
6682 params->phy[EXT_PHY2].phy_specific_func(
6683 &params->phy[EXT_PHY2],
6684 params, DISABLE_TX);
6685 }
6686 }
6687
de6eae1f
YR
6688 ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
6689 vars->duplex = phy_vars[active_external_phy].duplex;
6690 if (params->phy[active_external_phy].supported &
6691 SUPPORTED_FIBRE)
6692 vars->link_status |= LINK_STATUS_SERDES_LINK;
fd36a2e6
YR
6693 else
6694 vars->link_status &= ~LINK_STATUS_SERDES_LINK;
de6eae1f
YR
6695 DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
6696 active_external_phy);
6697 }
a22f0788
YR
6698
6699 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6700 phy_index++) {
6701 if (params->phy[phy_index].flags &
6702 FLAGS_REARM_LATCH_SIGNAL) {
6703 bnx2x_rearm_latch_signal(bp, port,
6704 phy_index ==
6705 active_external_phy);
6706 break;
6707 }
6708 }
de6eae1f
YR
6709 DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
6710 " ext_phy_line_speed = %d\n", vars->flow_ctrl,
6711 vars->link_status, ext_phy_line_speed);
2cf7acf9 6712 /*
de6eae1f
YR
6713 * Upon link speed change set the NIG into drain mode. Comes to
6714 * deals with possible FIFO glitch due to clk change when speed
6715 * is decreased without link down indicator
6716 */
4d295db0 6717
de6eae1f
YR
6718 if (vars->phy_link_up) {
6719 if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
6720 (ext_phy_line_speed != vars->line_speed)) {
6721 DP(NETIF_MSG_LINK, "Internal link speed %d is"
6722 " different than the external"
6723 " link speed %d\n", vars->line_speed,
6724 ext_phy_line_speed);
6725 vars->phy_link_up = 0;
6726 } else if (prev_line_speed != vars->line_speed) {
cd88ccee
YR
6727 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
6728 0);
de6eae1f
YR
6729 msleep(1);
6730 }
6731 }
e10bc84d 6732
de6eae1f 6733 /* anything 10 and over uses the bmac */
3c9ada22 6734 link_10g_plus = (vars->line_speed >= SPEED_10000);
589abe3a 6735
3c9ada22 6736 bnx2x_link_int_ack(params, vars, link_10g_plus);
589abe3a 6737
2cf7acf9
YR
6738 /*
6739 * In case external phy link is up, and internal link is down
6740 * (not initialized yet probably after link initialization, it
6741 * needs to be initialized.
6742 * Note that after link down-up as result of cable plug, the xgxs
6743 * link would probably become up again without the need
6744 * initialize it
6745 */
de6eae1f
YR
6746 if (!(SINGLE_MEDIA_DIRECT(params))) {
6747 DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
6748 " init_preceding = %d\n", ext_phy_link_up,
6749 vars->phy_link_up,
6750 params->phy[EXT_PHY1].flags &
6751 FLAGS_INIT_XGXS_FIRST);
6752 if (!(params->phy[EXT_PHY1].flags &
6753 FLAGS_INIT_XGXS_FIRST)
6754 && ext_phy_link_up && !vars->phy_link_up) {
6755 vars->line_speed = ext_phy_line_speed;
6756 if (vars->line_speed < SPEED_1000)
6757 vars->phy_flags |= PHY_SGMII_FLAG;
6758 else
6759 vars->phy_flags &= ~PHY_SGMII_FLAG;
ec146a6f
YR
6760
6761 if (params->phy[INT_PHY].config_init)
6762 params->phy[INT_PHY].config_init(
6763 &params->phy[INT_PHY], params,
de6eae1f 6764 vars);
4d295db0 6765 }
589abe3a 6766 }
2cf7acf9
YR
6767 /*
6768 * Link is up only if both local phy and external phy (in case of
9045f6b4 6769 * non-direct board) are up and no fault detected on active PHY.
4d295db0 6770 */
de6eae1f
YR
6771 vars->link_up = (vars->phy_link_up &&
6772 (ext_phy_link_up ||
c688fe2f
YR
6773 SINGLE_MEDIA_DIRECT(params)) &&
6774 (phy_vars[active_external_phy].fault_detected == 0));
de6eae1f
YR
6775
6776 if (vars->link_up)
3c9ada22 6777 rc = bnx2x_update_link_up(params, vars, link_10g_plus);
4d295db0 6778 else
de6eae1f 6779 rc = bnx2x_update_link_down(params, vars);
589abe3a 6780
4d295db0 6781 return rc;
589abe3a
EG
6782}
6783
de6eae1f
YR
6784/*****************************************************************************/
6785/* External Phy section */
6786/*****************************************************************************/
6787void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
6788{
6789 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
cd88ccee 6790 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
de6eae1f
YR
6791 msleep(1);
6792 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
cd88ccee 6793 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
de6eae1f 6794}
589abe3a 6795
de6eae1f
YR
6796static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
6797 u32 spirom_ver, u32 ver_addr)
6798{
6799 DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
6800 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
4d295db0 6801
de6eae1f
YR
6802 if (ver_addr)
6803 REG_WR(bp, ver_addr, spirom_ver);
589abe3a
EG
6804}
6805
de6eae1f
YR
6806static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
6807 struct bnx2x_phy *phy,
6808 u8 port)
6bbca910 6809{
de6eae1f
YR
6810 u16 fw_ver1, fw_ver2;
6811
6812 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
cd88ccee 6813 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
de6eae1f 6814 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
cd88ccee 6815 MDIO_PMA_REG_ROM_VER2, &fw_ver2);
de6eae1f
YR
6816 bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
6817 phy->ver_addr);
ea4e040a 6818}
ab6ad5a4 6819
de6eae1f
YR
6820static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
6821 struct bnx2x_phy *phy,
6822 struct link_vars *vars)
6823{
6824 u16 val;
6825 bnx2x_cl45_read(bp, phy,
6826 MDIO_AN_DEVAD,
6827 MDIO_AN_REG_STATUS, &val);
6828 bnx2x_cl45_read(bp, phy,
6829 MDIO_AN_DEVAD,
6830 MDIO_AN_REG_STATUS, &val);
6831 if (val & (1<<5))
6832 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
6833 if ((val & (1<<0)) == 0)
6834 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
6835}
6836
6837/******************************************************************/
6838/* common BCM8073/BCM8727 PHY SECTION */
6839/******************************************************************/
6840static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
6841 struct link_params *params,
6842 struct link_vars *vars)
6843{
6844 struct bnx2x *bp = params->bp;
6845 if (phy->req_line_speed == SPEED_10 ||
6846 phy->req_line_speed == SPEED_100) {
6847 vars->flow_ctrl = phy->req_flow_ctrl;
6848 return;
6849 }
6850
6851 if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
6852 (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
6853 u16 pause_result;
6854 u16 ld_pause; /* local */
6855 u16 lp_pause; /* link partner */
6856 bnx2x_cl45_read(bp, phy,
6857 MDIO_AN_DEVAD,
6858 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
6859
6860 bnx2x_cl45_read(bp, phy,
6861 MDIO_AN_DEVAD,
6862 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
6863 pause_result = (ld_pause &
6864 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
6865 pause_result |= (lp_pause &
6866 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
6867
6868 bnx2x_pause_resolve(vars, pause_result);
6869 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
6870 pause_result);
6871 }
6872}
fcf5b650
YR
6873static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
6874 struct bnx2x_phy *phy,
6875 u8 port)
de6eae1f 6876{
5c99274b
YR
6877 u32 count = 0;
6878 u16 fw_ver1, fw_msgout;
fcf5b650 6879 int rc = 0;
5c99274b 6880
de6eae1f
YR
6881 /* Boot port from external ROM */
6882 /* EDC grst */
6883 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
6884 MDIO_PMA_DEVAD,
6885 MDIO_PMA_REG_GEN_CTRL,
6886 0x0001);
de6eae1f
YR
6887
6888 /* ucode reboot and rst */
6889 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
6890 MDIO_PMA_DEVAD,
6891 MDIO_PMA_REG_GEN_CTRL,
6892 0x008c);
de6eae1f
YR
6893
6894 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
6895 MDIO_PMA_DEVAD,
6896 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
de6eae1f
YR
6897
6898 /* Reset internal microprocessor */
6899 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
6900 MDIO_PMA_DEVAD,
6901 MDIO_PMA_REG_GEN_CTRL,
6902 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
de6eae1f
YR
6903
6904 /* Release srst bit */
6905 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
6906 MDIO_PMA_DEVAD,
6907 MDIO_PMA_REG_GEN_CTRL,
6908 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
de6eae1f 6909
5c99274b
YR
6910 /* Delay 100ms per the PHY specifications */
6911 msleep(100);
6912
6913 /* 8073 sometimes taking longer to download */
6914 do {
6915 count++;
6916 if (count > 300) {
6917 DP(NETIF_MSG_LINK,
6918 "bnx2x_8073_8727_external_rom_boot port %x:"
6919 "Download failed. fw version = 0x%x\n",
6920 port, fw_ver1);
6921 rc = -EINVAL;
6922 break;
6923 }
6924
6925 bnx2x_cl45_read(bp, phy,
6926 MDIO_PMA_DEVAD,
6927 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
6928 bnx2x_cl45_read(bp, phy,
6929 MDIO_PMA_DEVAD,
6930 MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
6931
6932 msleep(1);
6933 } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
6934 ((fw_msgout & 0xff) != 0x03 && (phy->type ==
6935 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
de6eae1f
YR
6936
6937 /* Clear ser_boot_ctl bit */
6938 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
6939 MDIO_PMA_DEVAD,
6940 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
de6eae1f 6941 bnx2x_save_bcm_spirom_ver(bp, phy, port);
5c99274b
YR
6942
6943 DP(NETIF_MSG_LINK,
6944 "bnx2x_8073_8727_external_rom_boot port %x:"
6945 "Download complete. fw version = 0x%x\n",
6946 port, fw_ver1);
6947
6948 return rc;
de6eae1f
YR
6949}
6950
de6eae1f
YR
6951/******************************************************************/
6952/* BCM8073 PHY SECTION */
6953/******************************************************************/
fcf5b650 6954static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
de6eae1f
YR
6955{
6956 /* This is only required for 8073A1, version 102 only */
6957 u16 val;
6958
6959 /* Read 8073 HW revision*/
6960 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
6961 MDIO_PMA_DEVAD,
6962 MDIO_PMA_REG_8073_CHIP_REV, &val);
de6eae1f
YR
6963
6964 if (val != 1) {
6965 /* No need to workaround in 8073 A1 */
6966 return 0;
6967 }
6968
6969 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
6970 MDIO_PMA_DEVAD,
6971 MDIO_PMA_REG_ROM_VER2, &val);
de6eae1f
YR
6972
6973 /* SNR should be applied only for version 0x102 */
6974 if (val != 0x102)
6975 return 0;
6976
6977 return 1;
6978}
6979
fcf5b650 6980static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
de6eae1f
YR
6981{
6982 u16 val, cnt, cnt1 ;
6983
6984 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
6985 MDIO_PMA_DEVAD,
6986 MDIO_PMA_REG_8073_CHIP_REV, &val);
de6eae1f
YR
6987
6988 if (val > 0) {
6989 /* No need to workaround in 8073 A1 */
6990 return 0;
6991 }
6992 /* XAUI workaround in 8073 A0: */
6993
2cf7acf9
YR
6994 /*
6995 * After loading the boot ROM and restarting Autoneg, poll
6996 * Dev1, Reg $C820:
6997 */
de6eae1f
YR
6998
6999 for (cnt = 0; cnt < 1000; cnt++) {
7000 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
7001 MDIO_PMA_DEVAD,
7002 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7003 &val);
2cf7acf9
YR
7004 /*
7005 * If bit [14] = 0 or bit [13] = 0, continue on with
7006 * system initialization (XAUI work-around not required, as
7007 * these bits indicate 2.5G or 1G link up).
7008 */
de6eae1f
YR
7009 if (!(val & (1<<14)) || !(val & (1<<13))) {
7010 DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
7011 return 0;
7012 } else if (!(val & (1<<15))) {
2cf7acf9
YR
7013 DP(NETIF_MSG_LINK, "bit 15 went off\n");
7014 /*
7015 * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
7016 * MSB (bit15) goes to 1 (indicating that the XAUI
7017 * workaround has completed), then continue on with
7018 * system initialization.
7019 */
de6eae1f
YR
7020 for (cnt1 = 0; cnt1 < 1000; cnt1++) {
7021 bnx2x_cl45_read(bp, phy,
7022 MDIO_PMA_DEVAD,
7023 MDIO_PMA_REG_8073_XAUI_WA, &val);
7024 if (val & (1<<15)) {
7025 DP(NETIF_MSG_LINK,
7026 "XAUI workaround has completed\n");
7027 return 0;
7028 }
7029 msleep(3);
7030 }
7031 break;
7032 }
7033 msleep(3);
7034 }
7035 DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
7036 return -EINVAL;
7037}
7038
7039static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
7040{
7041 /* Force KR or KX */
7042 bnx2x_cl45_write(bp, phy,
7043 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
7044 bnx2x_cl45_write(bp, phy,
7045 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
7046 bnx2x_cl45_write(bp, phy,
7047 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
7048 bnx2x_cl45_write(bp, phy,
7049 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
7050}
7051
6bbca910 7052static void bnx2x_8073_set_pause_cl37(struct link_params *params,
e10bc84d
YR
7053 struct bnx2x_phy *phy,
7054 struct link_vars *vars)
ea4e040a 7055{
6bbca910 7056 u16 cl37_val;
e10bc84d
YR
7057 struct bnx2x *bp = params->bp;
7058 bnx2x_cl45_read(bp, phy,
62b29a5d 7059 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
6bbca910
YR
7060
7061 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7062 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
e10bc84d 7063 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
6bbca910
YR
7064 if ((vars->ieee_fc &
7065 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
7066 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
7067 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
7068 }
7069 if ((vars->ieee_fc &
7070 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
7071 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
7072 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
7073 }
7074 if ((vars->ieee_fc &
7075 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
7076 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
7077 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7078 }
7079 DP(NETIF_MSG_LINK,
7080 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
7081
e10bc84d 7082 bnx2x_cl45_write(bp, phy,
62b29a5d 7083 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
6bbca910 7084 msleep(500);
ea4e040a
YR
7085}
7086
fcf5b650
YR
7087static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
7088 struct link_params *params,
7089 struct link_vars *vars)
ea4e040a 7090{
e10bc84d 7091 struct bnx2x *bp = params->bp;
de6eae1f
YR
7092 u16 val = 0, tmp1;
7093 u8 gpio_port;
7094 DP(NETIF_MSG_LINK, "Init 8073\n");
e10bc84d 7095
f2e0899f
DK
7096 if (CHIP_IS_E2(bp))
7097 gpio_port = BP_PATH(bp);
7098 else
7099 gpio_port = params->port;
de6eae1f
YR
7100 /* Restore normal power mode*/
7101 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
cd88ccee 7102 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
e10bc84d 7103
de6eae1f 7104 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
cd88ccee 7105 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
ea4e040a 7106
de6eae1f
YR
7107 /* enable LASI */
7108 bnx2x_cl45_write(bp, phy,
60d2fe03 7109 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
de6eae1f 7110 bnx2x_cl45_write(bp, phy,
60d2fe03 7111 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
c2c8b03e 7112
de6eae1f 7113 bnx2x_8073_set_pause_cl37(params, phy, vars);
57963ed9 7114
e10bc84d 7115 bnx2x_cl45_read(bp, phy,
de6eae1f 7116 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
2f904460 7117
de6eae1f 7118 bnx2x_cl45_read(bp, phy,
60d2fe03 7119 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
2f904460 7120
de6eae1f 7121 DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
a1e4be39 7122
74d7a119
YR
7123 /* Swap polarity if required - Must be done only in non-1G mode */
7124 if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7125 /* Configure the 8073 to swap _P and _N of the KR lines */
7126 DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
7127 /* 10G Rx/Tx and 1G Tx signal polarity swap */
7128 bnx2x_cl45_read(bp, phy,
7129 MDIO_PMA_DEVAD,
7130 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
7131 bnx2x_cl45_write(bp, phy,
7132 MDIO_PMA_DEVAD,
7133 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
7134 (val | (3<<9)));
7135 }
7136
7137
de6eae1f 7138 /* Enable CL37 BAM */
121839be
YR
7139 if (REG_RD(bp, params->shmem_base +
7140 offsetof(struct shmem_region, dev_info.
7141 port_hw_config[params->port].default_cfg)) &
7142 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
57963ed9 7143
121839be
YR
7144 bnx2x_cl45_read(bp, phy,
7145 MDIO_AN_DEVAD,
7146 MDIO_AN_REG_8073_BAM, &val);
7147 bnx2x_cl45_write(bp, phy,
7148 MDIO_AN_DEVAD,
7149 MDIO_AN_REG_8073_BAM, val | 1);
7150 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
7151 }
de6eae1f
YR
7152 if (params->loopback_mode == LOOPBACK_EXT) {
7153 bnx2x_807x_force_10G(bp, phy);
7154 DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
7155 return 0;
7156 } else {
7157 bnx2x_cl45_write(bp, phy,
7158 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
7159 }
7160 if (phy->req_line_speed != SPEED_AUTO_NEG) {
7161 if (phy->req_line_speed == SPEED_10000) {
7162 val = (1<<7);
7163 } else if (phy->req_line_speed == SPEED_2500) {
7164 val = (1<<5);
2cf7acf9
YR
7165 /*
7166 * Note that 2.5G works only when used with 1G
25985edc 7167 * advertisement
2cf7acf9 7168 */
de6eae1f
YR
7169 } else
7170 val = (1<<5);
7171 } else {
7172 val = 0;
7173 if (phy->speed_cap_mask &
7174 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
7175 val |= (1<<7);
57963ed9 7176
25985edc 7177 /* Note that 2.5G works only when used with 1G advertisement */
de6eae1f
YR
7178 if (phy->speed_cap_mask &
7179 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
7180 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7181 val |= (1<<5);
7182 DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
7183 }
57963ed9 7184
de6eae1f
YR
7185 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
7186 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
57963ed9 7187
de6eae1f
YR
7188 if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
7189 (phy->req_line_speed == SPEED_AUTO_NEG)) ||
7190 (phy->req_line_speed == SPEED_2500)) {
7191 u16 phy_ver;
7192 /* Allow 2.5G for A1 and above */
7193 bnx2x_cl45_read(bp, phy,
7194 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
7195 &phy_ver);
7196 DP(NETIF_MSG_LINK, "Add 2.5G\n");
7197 if (phy_ver > 0)
7198 tmp1 |= 1;
7199 else
7200 tmp1 &= 0xfffe;
7201 } else {
7202 DP(NETIF_MSG_LINK, "Disable 2.5G\n");
7203 tmp1 &= 0xfffe;
7204 }
57963ed9 7205
de6eae1f
YR
7206 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
7207 /* Add support for CL37 (passive mode) II */
57963ed9 7208
de6eae1f
YR
7209 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
7210 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
7211 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
7212 0x20 : 0x40)));
57963ed9 7213
de6eae1f
YR
7214 /* Add support for CL37 (passive mode) III */
7215 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
57963ed9 7216
2cf7acf9
YR
7217 /*
7218 * The SNR will improve about 2db by changing BW and FEE main
7219 * tap. Rest commands are executed after link is up
7220 * Change FFE main cursor to 5 in EDC register
7221 */
de6eae1f
YR
7222 if (bnx2x_8073_is_snr_needed(bp, phy))
7223 bnx2x_cl45_write(bp, phy,
7224 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
7225 0xFB0C);
57963ed9 7226
de6eae1f
YR
7227 /* Enable FEC (Forware Error Correction) Request in the AN */
7228 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
7229 tmp1 |= (1<<15);
7230 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
57963ed9 7231
de6eae1f 7232 bnx2x_ext_phy_set_pause(params, phy, vars);
57963ed9 7233
de6eae1f
YR
7234 /* Restart autoneg */
7235 msleep(500);
7236 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
7237 DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
7238 ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
7239 return 0;
b7737c9b 7240}
ea4e040a 7241
de6eae1f 7242static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
b7737c9b
YR
7243 struct link_params *params,
7244 struct link_vars *vars)
7245{
7246 struct bnx2x *bp = params->bp;
de6eae1f
YR
7247 u8 link_up = 0;
7248 u16 val1, val2;
7249 u16 link_status = 0;
7250 u16 an1000_status = 0;
a35da8db 7251
de6eae1f 7252 bnx2x_cl45_read(bp, phy,
60d2fe03 7253 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
b7737c9b 7254
de6eae1f 7255 DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
ea4e040a 7256
de6eae1f
YR
7257 /* clear the interrupt LASI status register */
7258 bnx2x_cl45_read(bp, phy,
7259 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7260 bnx2x_cl45_read(bp, phy,
7261 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
7262 DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
7263 /* Clear MSG-OUT */
7264 bnx2x_cl45_read(bp, phy,
7265 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
7266
7267 /* Check the LASI */
7268 bnx2x_cl45_read(bp, phy,
60d2fe03 7269 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
de6eae1f
YR
7270
7271 DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
7272
7273 /* Check the link status */
7274 bnx2x_cl45_read(bp, phy,
7275 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7276 DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
7277
7278 bnx2x_cl45_read(bp, phy,
7279 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7280 bnx2x_cl45_read(bp, phy,
7281 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7282 link_up = ((val1 & 4) == 4);
7283 DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
7284
7285 if (link_up &&
7286 ((phy->req_line_speed != SPEED_10000))) {
7287 if (bnx2x_8073_xaui_wa(bp, phy) != 0)
7288 return 0;
62b29a5d 7289 }
de6eae1f
YR
7290 bnx2x_cl45_read(bp, phy,
7291 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7292 bnx2x_cl45_read(bp, phy,
7293 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
62b29a5d 7294
de6eae1f
YR
7295 /* Check the link status on 1.1.2 */
7296 bnx2x_cl45_read(bp, phy,
7297 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7298 bnx2x_cl45_read(bp, phy,
7299 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7300 DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
7301 "an_link_status=0x%x\n", val2, val1, an1000_status);
62b29a5d 7302
de6eae1f
YR
7303 link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
7304 if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
2cf7acf9
YR
7305 /*
7306 * The SNR will improve about 2dbby changing the BW and FEE main
7307 * tap. The 1st write to change FFE main tap is set before
7308 * restart AN. Change PLL Bandwidth in EDC register
7309 */
62b29a5d 7310 bnx2x_cl45_write(bp, phy,
de6eae1f
YR
7311 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
7312 0x26BC);
62b29a5d 7313
de6eae1f 7314 /* Change CDR Bandwidth in EDC register */
62b29a5d 7315 bnx2x_cl45_write(bp, phy,
de6eae1f
YR
7316 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
7317 0x0333);
7318 }
7319 bnx2x_cl45_read(bp, phy,
7320 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7321 &link_status);
62b29a5d 7322
de6eae1f
YR
7323 /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
7324 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
7325 link_up = 1;
7326 vars->line_speed = SPEED_10000;
7327 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
7328 params->port);
7329 } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
7330 link_up = 1;
7331 vars->line_speed = SPEED_2500;
7332 DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
7333 params->port);
7334 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
7335 link_up = 1;
7336 vars->line_speed = SPEED_1000;
7337 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
7338 params->port);
7339 } else {
7340 link_up = 0;
7341 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
7342 params->port);
62b29a5d 7343 }
de6eae1f
YR
7344
7345 if (link_up) {
74d7a119
YR
7346 /* Swap polarity if required */
7347 if (params->lane_config &
7348 PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7349 /* Configure the 8073 to swap P and N of the KR lines */
7350 bnx2x_cl45_read(bp, phy,
7351 MDIO_XS_DEVAD,
7352 MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
2cf7acf9
YR
7353 /*
7354 * Set bit 3 to invert Rx in 1G mode and clear this bit
7355 * when it`s in 10G mode.
7356 */
74d7a119
YR
7357 if (vars->line_speed == SPEED_1000) {
7358 DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
7359 "the 8073\n");
7360 val1 |= (1<<3);
7361 } else
7362 val1 &= ~(1<<3);
7363
7364 bnx2x_cl45_write(bp, phy,
7365 MDIO_XS_DEVAD,
7366 MDIO_XS_REG_8073_RX_CTRL_PCIE,
7367 val1);
7368 }
de6eae1f
YR
7369 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7370 bnx2x_8073_resolve_fc(phy, params, vars);
791f18c0 7371 vars->duplex = DUPLEX_FULL;
de6eae1f
YR
7372 }
7373 return link_up;
b7737c9b
YR
7374}
7375
de6eae1f
YR
7376static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
7377 struct link_params *params)
7378{
7379 struct bnx2x *bp = params->bp;
7380 u8 gpio_port;
f2e0899f
DK
7381 if (CHIP_IS_E2(bp))
7382 gpio_port = BP_PATH(bp);
7383 else
7384 gpio_port = params->port;
de6eae1f
YR
7385 DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
7386 gpio_port);
7387 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
cd88ccee
YR
7388 MISC_REGISTERS_GPIO_OUTPUT_LOW,
7389 gpio_port);
de6eae1f
YR
7390}
7391
7392/******************************************************************/
7393/* BCM8705 PHY SECTION */
7394/******************************************************************/
fcf5b650
YR
7395static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
7396 struct link_params *params,
7397 struct link_vars *vars)
b7737c9b
YR
7398{
7399 struct bnx2x *bp = params->bp;
de6eae1f 7400 DP(NETIF_MSG_LINK, "init 8705\n");
b7737c9b
YR
7401 /* Restore normal power mode*/
7402 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
cd88ccee 7403 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
de6eae1f
YR
7404 /* HW reset */
7405 bnx2x_ext_phy_hw_reset(bp, params->port);
7406 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
6d870c39 7407 bnx2x_wait_reset_complete(bp, phy, params);
b7737c9b 7408
de6eae1f
YR
7409 bnx2x_cl45_write(bp, phy,
7410 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
7411 bnx2x_cl45_write(bp, phy,
7412 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
7413 bnx2x_cl45_write(bp, phy,
7414 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
7415 bnx2x_cl45_write(bp, phy,
7416 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
7417 /* BCM8705 doesn't have microcode, hence the 0 */
7418 bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
7419 return 0;
7420}
4d295db0 7421
de6eae1f
YR
7422static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
7423 struct link_params *params,
7424 struct link_vars *vars)
7425{
7426 u8 link_up = 0;
7427 u16 val1, rx_sd;
7428 struct bnx2x *bp = params->bp;
7429 DP(NETIF_MSG_LINK, "read status 8705\n");
7430 bnx2x_cl45_read(bp, phy,
7431 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7432 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
62b29a5d 7433
de6eae1f
YR
7434 bnx2x_cl45_read(bp, phy,
7435 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7436 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
62b29a5d 7437
de6eae1f
YR
7438 bnx2x_cl45_read(bp, phy,
7439 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
c2c8b03e 7440
de6eae1f
YR
7441 bnx2x_cl45_read(bp, phy,
7442 MDIO_PMA_DEVAD, 0xc809, &val1);
7443 bnx2x_cl45_read(bp, phy,
7444 MDIO_PMA_DEVAD, 0xc809, &val1);
c2c8b03e 7445
de6eae1f
YR
7446 DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
7447 link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
7448 if (link_up) {
7449 vars->line_speed = SPEED_10000;
7450 bnx2x_ext_phy_resolve_fc(phy, params, vars);
62b29a5d 7451 }
de6eae1f
YR
7452 return link_up;
7453}
d90d96ba 7454
de6eae1f
YR
7455/******************************************************************/
7456/* SFP+ module Section */
7457/******************************************************************/
85242eea
YR
7458static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
7459 struct bnx2x_phy *phy,
7460 u8 pmd_dis)
7461{
7462 struct bnx2x *bp = params->bp;
7463 /*
7464 * Disable transmitter only for bootcodes which can enable it afterwards
7465 * (for D3 link)
7466 */
7467 if (pmd_dis) {
7468 if (params->feature_config_flags &
7469 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
7470 DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
7471 else {
7472 DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
7473 return;
7474 }
7475 } else
7476 DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
7477 bnx2x_cl45_write(bp, phy,
7478 MDIO_PMA_DEVAD,
7479 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
7480}
7481
a8db5b4c
YR
7482static u8 bnx2x_get_gpio_port(struct link_params *params)
7483{
7484 u8 gpio_port;
7485 u32 swap_val, swap_override;
7486 struct bnx2x *bp = params->bp;
7487 if (CHIP_IS_E2(bp))
7488 gpio_port = BP_PATH(bp);
7489 else
7490 gpio_port = params->port;
7491 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7492 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7493 return gpio_port ^ (swap_val && swap_override);
7494}
3c9ada22
YR
7495
7496static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
7497 struct bnx2x_phy *phy,
7498 u8 tx_en)
de6eae1f
YR
7499{
7500 u16 val;
a8db5b4c
YR
7501 u8 port = params->port;
7502 struct bnx2x *bp = params->bp;
7503 u32 tx_en_mode;
d90d96ba 7504
de6eae1f 7505 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
a8db5b4c
YR
7506 tx_en_mode = REG_RD(bp, params->shmem_base +
7507 offsetof(struct shmem_region,
7508 dev_info.port_hw_config[port].sfp_ctrl)) &
7509 PORT_HW_CFG_TX_LASER_MASK;
7510 DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
7511 "mode = %x\n", tx_en, port, tx_en_mode);
7512 switch (tx_en_mode) {
7513 case PORT_HW_CFG_TX_LASER_MDIO:
d90d96ba 7514
a8db5b4c
YR
7515 bnx2x_cl45_read(bp, phy,
7516 MDIO_PMA_DEVAD,
7517 MDIO_PMA_REG_PHY_IDENTIFIER,
7518 &val);
b7737c9b 7519
a8db5b4c
YR
7520 if (tx_en)
7521 val &= ~(1<<15);
7522 else
7523 val |= (1<<15);
7524
7525 bnx2x_cl45_write(bp, phy,
7526 MDIO_PMA_DEVAD,
7527 MDIO_PMA_REG_PHY_IDENTIFIER,
7528 val);
7529 break;
7530 case PORT_HW_CFG_TX_LASER_GPIO0:
7531 case PORT_HW_CFG_TX_LASER_GPIO1:
7532 case PORT_HW_CFG_TX_LASER_GPIO2:
7533 case PORT_HW_CFG_TX_LASER_GPIO3:
7534 {
7535 u16 gpio_pin;
7536 u8 gpio_port, gpio_mode;
7537 if (tx_en)
7538 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
7539 else
7540 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
7541
7542 gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
7543 gpio_port = bnx2x_get_gpio_port(params);
7544 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7545 break;
7546 }
7547 default:
7548 DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
7549 break;
7550 }
b7737c9b
YR
7551}
7552
3c9ada22
YR
7553static void bnx2x_sfp_set_transmitter(struct link_params *params,
7554 struct bnx2x_phy *phy,
7555 u8 tx_en)
7556{
7557 struct bnx2x *bp = params->bp;
7558 DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
7559 if (CHIP_IS_E3(bp))
7560 bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
7561 else
7562 bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
7563}
7564
fcf5b650
YR
7565static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7566 struct link_params *params,
7567 u16 addr, u8 byte_cnt, u8 *o_buf)
b7737c9b
YR
7568{
7569 struct bnx2x *bp = params->bp;
de6eae1f
YR
7570 u16 val = 0;
7571 u16 i;
7572 if (byte_cnt > 16) {
94f05b0f
JP
7573 DP(NETIF_MSG_LINK,
7574 "Reading from eeprom is limited to 0xf\n");
de6eae1f
YR
7575 return -EINVAL;
7576 }
7577 /* Set the read command byte count */
62b29a5d 7578 bnx2x_cl45_write(bp, phy,
de6eae1f 7579 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
cd88ccee 7580 (byte_cnt | 0xa000));
ea4e040a 7581
de6eae1f
YR
7582 /* Set the read command address */
7583 bnx2x_cl45_write(bp, phy,
7584 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
cd88ccee 7585 addr);
ea4e040a 7586
de6eae1f 7587 /* Activate read command */
62b29a5d 7588 bnx2x_cl45_write(bp, phy,
de6eae1f 7589 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
cd88ccee 7590 0x2c0f);
ea4e040a 7591
de6eae1f
YR
7592 /* Wait up to 500us for command complete status */
7593 for (i = 0; i < 100; i++) {
7594 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
7595 MDIO_PMA_DEVAD,
7596 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
de6eae1f
YR
7597 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7598 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7599 break;
7600 udelay(5);
62b29a5d 7601 }
62b29a5d 7602
de6eae1f
YR
7603 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7604 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7605 DP(NETIF_MSG_LINK,
7606 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7607 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7608 return -EINVAL;
62b29a5d 7609 }
e10bc84d 7610
de6eae1f
YR
7611 /* Read the buffer */
7612 for (i = 0; i < byte_cnt; i++) {
62b29a5d 7613 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
7614 MDIO_PMA_DEVAD,
7615 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
de6eae1f 7616 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
62b29a5d 7617 }
6bbca910 7618
de6eae1f
YR
7619 for (i = 0; i < 100; i++) {
7620 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
7621 MDIO_PMA_DEVAD,
7622 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
de6eae1f
YR
7623 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7624 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
6f38ad93 7625 return 0;
de6eae1f
YR
7626 msleep(1);
7627 }
7628 return -EINVAL;
b7737c9b 7629}
4d295db0 7630
3c9ada22
YR
7631static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7632 struct link_params *params,
7633 u16 addr, u8 byte_cnt,
7634 u8 *o_buf)
7635{
7636 int rc = 0;
7637 u8 i, j = 0, cnt = 0;
7638 u32 data_array[4];
7639 u16 addr32;
7640 struct bnx2x *bp = params->bp;
7641 /*DP(NETIF_MSG_LINK, "bnx2x_direct_read_sfp_module_eeprom:"
7642 " addr %d, cnt %d\n",
7643 addr, byte_cnt);*/
7644 if (byte_cnt > 16) {
94f05b0f
JP
7645 DP(NETIF_MSG_LINK,
7646 "Reading from eeprom is limited to 16 bytes\n");
3c9ada22
YR
7647 return -EINVAL;
7648 }
7649
7650 /* 4 byte aligned address */
7651 addr32 = addr & (~0x3);
7652 do {
7653 rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
7654 data_array);
7655 } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
7656
7657 if (rc == 0) {
7658 for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
7659 o_buf[j] = *((u8 *)data_array + i);
7660 j++;
7661 }
7662 }
7663
7664 return rc;
7665}
7666
fcf5b650
YR
7667static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7668 struct link_params *params,
7669 u16 addr, u8 byte_cnt, u8 *o_buf)
b7737c9b 7670{
b7737c9b 7671 struct bnx2x *bp = params->bp;
de6eae1f 7672 u16 val, i;
ea4e040a 7673
de6eae1f 7674 if (byte_cnt > 16) {
94f05b0f
JP
7675 DP(NETIF_MSG_LINK,
7676 "Reading from eeprom is limited to 0xf\n");
de6eae1f
YR
7677 return -EINVAL;
7678 }
4d295db0 7679
de6eae1f
YR
7680 /* Need to read from 1.8000 to clear it */
7681 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
7682 MDIO_PMA_DEVAD,
7683 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7684 &val);
4d295db0 7685
de6eae1f 7686 /* Set the read command byte count */
62b29a5d 7687 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
7688 MDIO_PMA_DEVAD,
7689 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7690 ((byte_cnt < 2) ? 2 : byte_cnt));
ea4e040a 7691
de6eae1f 7692 /* Set the read command address */
62b29a5d 7693 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
7694 MDIO_PMA_DEVAD,
7695 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7696 addr);
de6eae1f 7697 /* Set the destination address */
62b29a5d 7698 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
7699 MDIO_PMA_DEVAD,
7700 0x8004,
7701 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
62b29a5d 7702
de6eae1f 7703 /* Activate read command */
62b29a5d 7704 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
7705 MDIO_PMA_DEVAD,
7706 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7707 0x8002);
2cf7acf9
YR
7708 /*
7709 * Wait appropriate time for two-wire command to finish before
7710 * polling the status register
7711 */
de6eae1f 7712 msleep(1);
4d295db0 7713
de6eae1f
YR
7714 /* Wait up to 500us for command complete status */
7715 for (i = 0; i < 100; i++) {
62b29a5d 7716 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
7717 MDIO_PMA_DEVAD,
7718 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
de6eae1f
YR
7719 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7720 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7721 break;
7722 udelay(5);
62b29a5d 7723 }
4d295db0 7724
de6eae1f
YR
7725 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7726 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7727 DP(NETIF_MSG_LINK,
7728 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7729 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
65a001ba 7730 return -EFAULT;
de6eae1f 7731 }
62b29a5d 7732
de6eae1f
YR
7733 /* Read the buffer */
7734 for (i = 0; i < byte_cnt; i++) {
7735 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
7736 MDIO_PMA_DEVAD,
7737 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
de6eae1f
YR
7738 o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
7739 }
4d295db0 7740
de6eae1f
YR
7741 for (i = 0; i < 100; i++) {
7742 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
7743 MDIO_PMA_DEVAD,
7744 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
de6eae1f
YR
7745 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7746 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
6f38ad93 7747 return 0;
de6eae1f 7748 msleep(1);
62b29a5d
YR
7749 }
7750
de6eae1f 7751 return -EINVAL;
b7737c9b
YR
7752}
7753
fcf5b650
YR
7754int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7755 struct link_params *params, u16 addr,
7756 u8 byte_cnt, u8 *o_buf)
b7737c9b 7757{
fcf5b650 7758 int rc = -EINVAL;
e4d78f12
YR
7759 switch (phy->type) {
7760 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
7761 rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
7762 byte_cnt, o_buf);
7763 break;
7764 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
7765 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
7766 rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
7767 byte_cnt, o_buf);
7768 break;
3c9ada22
YR
7769 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7770 rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
7771 byte_cnt, o_buf);
7772 break;
e4d78f12
YR
7773 }
7774 return rc;
b7737c9b
YR
7775}
7776
fcf5b650
YR
7777static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
7778 struct link_params *params,
7779 u16 *edc_mode)
b7737c9b
YR
7780{
7781 struct bnx2x *bp = params->bp;
1ac9e428 7782 u32 sync_offset = 0, phy_idx, media_types;
de6eae1f
YR
7783 u8 val, check_limiting_mode = 0;
7784 *edc_mode = EDC_MODE_LIMITING;
62b29a5d 7785
1ac9e428 7786 phy->media_type = ETH_PHY_UNSPECIFIED;
de6eae1f
YR
7787 /* First check for copper cable */
7788 if (bnx2x_read_sfp_module_eeprom(phy,
7789 params,
7790 SFP_EEPROM_CON_TYPE_ADDR,
7791 1,
7792 &val) != 0) {
7793 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
7794 return -EINVAL;
7795 }
a1e4be39 7796
de6eae1f
YR
7797 switch (val) {
7798 case SFP_EEPROM_CON_TYPE_VAL_COPPER:
7799 {
7800 u8 copper_module_type;
1ac9e428 7801 phy->media_type = ETH_PHY_DA_TWINAX;
2cf7acf9
YR
7802 /*
7803 * Check if its active cable (includes SFP+ module)
7804 * of passive cable
7805 */
de6eae1f
YR
7806 if (bnx2x_read_sfp_module_eeprom(phy,
7807 params,
7808 SFP_EEPROM_FC_TX_TECH_ADDR,
7809 1,
9045f6b4 7810 &copper_module_type) != 0) {
de6eae1f
YR
7811 DP(NETIF_MSG_LINK,
7812 "Failed to read copper-cable-type"
7813 " from SFP+ EEPROM\n");
7814 return -EINVAL;
7815 }
4f60dab1 7816
de6eae1f
YR
7817 if (copper_module_type &
7818 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
7819 DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
7820 check_limiting_mode = 1;
7821 } else if (copper_module_type &
7822 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
94f05b0f
JP
7823 DP(NETIF_MSG_LINK,
7824 "Passive Copper cable detected\n");
de6eae1f
YR
7825 *edc_mode =
7826 EDC_MODE_PASSIVE_DAC;
7827 } else {
94f05b0f
JP
7828 DP(NETIF_MSG_LINK,
7829 "Unknown copper-cable-type 0x%x !!!\n",
7830 copper_module_type);
de6eae1f
YR
7831 return -EINVAL;
7832 }
7833 break;
62b29a5d 7834 }
de6eae1f 7835 case SFP_EEPROM_CON_TYPE_VAL_LC:
1ac9e428 7836 phy->media_type = ETH_PHY_SFP_FIBER;
de6eae1f
YR
7837 DP(NETIF_MSG_LINK, "Optic module detected\n");
7838 check_limiting_mode = 1;
7839 break;
7840 default:
7841 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
7842 val);
7843 return -EINVAL;
62b29a5d 7844 }
1ac9e428
YR
7845 sync_offset = params->shmem_base +
7846 offsetof(struct shmem_region,
7847 dev_info.port_hw_config[params->port].media_type);
7848 media_types = REG_RD(bp, sync_offset);
7849 /* Update media type for non-PMF sync */
7850 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
7851 if (&(params->phy[phy_idx]) == phy) {
7852 media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
7853 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
7854 media_types |= ((phy->media_type &
7855 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
7856 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
7857 break;
7858 }
7859 }
7860 REG_WR(bp, sync_offset, media_types);
de6eae1f
YR
7861 if (check_limiting_mode) {
7862 u8 options[SFP_EEPROM_OPTIONS_SIZE];
7863 if (bnx2x_read_sfp_module_eeprom(phy,
7864 params,
7865 SFP_EEPROM_OPTIONS_ADDR,
7866 SFP_EEPROM_OPTIONS_SIZE,
7867 options) != 0) {
94f05b0f
JP
7868 DP(NETIF_MSG_LINK,
7869 "Failed to read Option field from module EEPROM\n");
de6eae1f
YR
7870 return -EINVAL;
7871 }
7872 if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
7873 *edc_mode = EDC_MODE_LINEAR;
7874 else
7875 *edc_mode = EDC_MODE_LIMITING;
62b29a5d 7876 }
de6eae1f 7877 DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
62b29a5d 7878 return 0;
b7737c9b 7879}
2cf7acf9
YR
7880/*
7881 * This function read the relevant field from the module (SFP+), and verify it
7882 * is compliant with this board
7883 */
fcf5b650
YR
7884static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
7885 struct link_params *params)
b7737c9b
YR
7886{
7887 struct bnx2x *bp = params->bp;
a22f0788
YR
7888 u32 val, cmd;
7889 u32 fw_resp, fw_cmd_param;
de6eae1f
YR
7890 char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
7891 char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
a22f0788 7892 phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
de6eae1f
YR
7893 val = REG_RD(bp, params->shmem_base +
7894 offsetof(struct shmem_region, dev_info.
7895 port_feature_config[params->port].config));
7896 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
7897 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
7898 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
7899 return 0;
7900 }
ea4e040a 7901
a22f0788
YR
7902 if (params->feature_config_flags &
7903 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
7904 /* Use specific phy request */
7905 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
7906 } else if (params->feature_config_flags &
7907 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
7908 /* Use first phy request only in case of non-dual media*/
7909 if (DUAL_MEDIA(params)) {
94f05b0f
JP
7910 DP(NETIF_MSG_LINK,
7911 "FW does not support OPT MDL verification\n");
a22f0788
YR
7912 return -EINVAL;
7913 }
7914 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
7915 } else {
7916 /* No support in OPT MDL detection */
94f05b0f
JP
7917 DP(NETIF_MSG_LINK,
7918 "FW does not support OPT MDL verification\n");
de6eae1f
YR
7919 return -EINVAL;
7920 }
523224a3 7921
a22f0788
YR
7922 fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
7923 fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
de6eae1f
YR
7924 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
7925 DP(NETIF_MSG_LINK, "Approved module\n");
7926 return 0;
7927 }
b7737c9b 7928
de6eae1f
YR
7929 /* format the warning message */
7930 if (bnx2x_read_sfp_module_eeprom(phy,
7931 params,
cd88ccee
YR
7932 SFP_EEPROM_VENDOR_NAME_ADDR,
7933 SFP_EEPROM_VENDOR_NAME_SIZE,
7934 (u8 *)vendor_name))
de6eae1f
YR
7935 vendor_name[0] = '\0';
7936 else
7937 vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
7938 if (bnx2x_read_sfp_module_eeprom(phy,
7939 params,
cd88ccee
YR
7940 SFP_EEPROM_PART_NO_ADDR,
7941 SFP_EEPROM_PART_NO_SIZE,
7942 (u8 *)vendor_pn))
de6eae1f
YR
7943 vendor_pn[0] = '\0';
7944 else
7945 vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
7946
6d870c39
YR
7947 netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
7948 " Port %d from %s part number %s\n",
7949 params->port, vendor_name, vendor_pn);
a22f0788 7950 phy->flags |= FLAGS_SFP_NOT_APPROVED;
de6eae1f 7951 return -EINVAL;
b7737c9b 7952}
7aa0711f 7953
fcf5b650
YR
7954static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
7955 struct link_params *params)
7aa0711f 7956
4d295db0 7957{
de6eae1f 7958 u8 val;
4d295db0 7959 struct bnx2x *bp = params->bp;
de6eae1f 7960 u16 timeout;
2cf7acf9
YR
7961 /*
7962 * Initialization time after hot-plug may take up to 300ms for
7963 * some phys type ( e.g. JDSU )
7964 */
7965
de6eae1f
YR
7966 for (timeout = 0; timeout < 60; timeout++) {
7967 if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
7968 == 0) {
94f05b0f
JP
7969 DP(NETIF_MSG_LINK,
7970 "SFP+ module initialization took %d ms\n",
7971 timeout * 5);
de6eae1f
YR
7972 return 0;
7973 }
7974 msleep(5);
7975 }
7976 return -EINVAL;
7977}
4d295db0 7978
de6eae1f
YR
7979static void bnx2x_8727_power_module(struct bnx2x *bp,
7980 struct bnx2x_phy *phy,
7981 u8 is_power_up) {
7982 /* Make sure GPIOs are not using for LED mode */
7983 u16 val;
7984 /*
2cf7acf9 7985 * In the GPIO register, bit 4 is use to determine if the GPIOs are
de6eae1f
YR
7986 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
7987 * output
3c9ada22
YR
7988 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
7989 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
de6eae1f
YR
7990 * where the 1st bit is the over-current(only input), and 2nd bit is
7991 * for power( only output )
2cf7acf9 7992 *
de6eae1f
YR
7993 * In case of NOC feature is disabled and power is up, set GPIO control
7994 * as input to enable listening of over-current indication
7995 */
7996 if (phy->flags & FLAGS_NOC)
7997 return;
27d02432 7998 if (is_power_up)
de6eae1f
YR
7999 val = (1<<4);
8000 else
8001 /*
8002 * Set GPIO control to OUTPUT, and set the power bit
8003 * to according to the is_power_up
8004 */
27d02432 8005 val = (1<<1);
4d295db0 8006
de6eae1f
YR
8007 bnx2x_cl45_write(bp, phy,
8008 MDIO_PMA_DEVAD,
8009 MDIO_PMA_REG_8727_GPIO_CTRL,
8010 val);
8011}
4d295db0 8012
fcf5b650
YR
8013static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
8014 struct bnx2x_phy *phy,
8015 u16 edc_mode)
de6eae1f
YR
8016{
8017 u16 cur_limiting_mode;
4d295db0 8018
de6eae1f 8019 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
8020 MDIO_PMA_DEVAD,
8021 MDIO_PMA_REG_ROM_VER2,
8022 &cur_limiting_mode);
de6eae1f
YR
8023 DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
8024 cur_limiting_mode);
8025
8026 if (edc_mode == EDC_MODE_LIMITING) {
cd88ccee 8027 DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
e10bc84d 8028 bnx2x_cl45_write(bp, phy,
62b29a5d 8029 MDIO_PMA_DEVAD,
de6eae1f
YR
8030 MDIO_PMA_REG_ROM_VER2,
8031 EDC_MODE_LIMITING);
8032 } else { /* LRM mode ( default )*/
4d295db0 8033
de6eae1f 8034 DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
4d295db0 8035
2cf7acf9
YR
8036 /*
8037 * Changing to LRM mode takes quite few seconds. So do it only
8038 * if current mode is limiting (default is LRM)
8039 */
de6eae1f
YR
8040 if (cur_limiting_mode != EDC_MODE_LIMITING)
8041 return 0;
4d295db0 8042
de6eae1f 8043 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
8044 MDIO_PMA_DEVAD,
8045 MDIO_PMA_REG_LRM_MODE,
8046 0);
de6eae1f 8047 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
8048 MDIO_PMA_DEVAD,
8049 MDIO_PMA_REG_ROM_VER2,
8050 0x128);
de6eae1f 8051 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
8052 MDIO_PMA_DEVAD,
8053 MDIO_PMA_REG_MISC_CTRL0,
8054 0x4008);
de6eae1f 8055 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
8056 MDIO_PMA_DEVAD,
8057 MDIO_PMA_REG_LRM_MODE,
8058 0xaaaa);
4d295db0 8059 }
de6eae1f 8060 return 0;
4d295db0
EG
8061}
8062
fcf5b650
YR
8063static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
8064 struct bnx2x_phy *phy,
8065 u16 edc_mode)
ea4e040a 8066{
de6eae1f
YR
8067 u16 phy_identifier;
8068 u16 rom_ver2_val;
62b29a5d 8069 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
8070 MDIO_PMA_DEVAD,
8071 MDIO_PMA_REG_PHY_IDENTIFIER,
8072 &phy_identifier);
ea4e040a 8073
de6eae1f 8074 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
8075 MDIO_PMA_DEVAD,
8076 MDIO_PMA_REG_PHY_IDENTIFIER,
8077 (phy_identifier & ~(1<<9)));
ea4e040a 8078
62b29a5d 8079 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
8080 MDIO_PMA_DEVAD,
8081 MDIO_PMA_REG_ROM_VER2,
8082 &rom_ver2_val);
de6eae1f
YR
8083 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
8084 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
8085 MDIO_PMA_DEVAD,
8086 MDIO_PMA_REG_ROM_VER2,
8087 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
4d295db0 8088
de6eae1f 8089 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
8090 MDIO_PMA_DEVAD,
8091 MDIO_PMA_REG_PHY_IDENTIFIER,
8092 (phy_identifier | (1<<9)));
4d295db0 8093
de6eae1f 8094 return 0;
b7737c9b 8095}
ea4e040a 8096
a22f0788
YR
8097static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
8098 struct link_params *params,
8099 u32 action)
8100{
8101 struct bnx2x *bp = params->bp;
8102
8103 switch (action) {
8104 case DISABLE_TX:
a8db5b4c 8105 bnx2x_sfp_set_transmitter(params, phy, 0);
a22f0788
YR
8106 break;
8107 case ENABLE_TX:
8108 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
a8db5b4c 8109 bnx2x_sfp_set_transmitter(params, phy, 1);
a22f0788
YR
8110 break;
8111 default:
8112 DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
8113 action);
8114 return;
8115 }
8116}
8117
3c9ada22 8118static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
a8db5b4c
YR
8119 u8 gpio_mode)
8120{
8121 struct bnx2x *bp = params->bp;
8122
8123 u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
8124 offsetof(struct shmem_region,
8125 dev_info.port_hw_config[params->port].sfp_ctrl)) &
8126 PORT_HW_CFG_FAULT_MODULE_LED_MASK;
8127 switch (fault_led_gpio) {
8128 case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
8129 return;
8130 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
8131 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
8132 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
8133 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
8134 {
8135 u8 gpio_port = bnx2x_get_gpio_port(params);
8136 u16 gpio_pin = fault_led_gpio -
8137 PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
8138 DP(NETIF_MSG_LINK, "Set fault module-detected led "
8139 "pin %x port %x mode %x\n",
8140 gpio_pin, gpio_port, gpio_mode);
8141 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
8142 }
8143 break;
8144 default:
8145 DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
8146 fault_led_gpio);
8147 }
8148}
8149
3c9ada22
YR
8150static void bnx2x_set_e3_module_fault_led(struct link_params *params,
8151 u8 gpio_mode)
8152{
8153 u32 pin_cfg;
8154 u8 port = params->port;
8155 struct bnx2x *bp = params->bp;
8156 pin_cfg = (REG_RD(bp, params->shmem_base +
8157 offsetof(struct shmem_region,
8158 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
8159 PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
8160 PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
8161 DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
8162 gpio_mode, pin_cfg);
8163 bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
8164}
8165
8166static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
8167 u8 gpio_mode)
8168{
8169 struct bnx2x *bp = params->bp;
8170 DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
8171 if (CHIP_IS_E3(bp)) {
8172 /*
8173 * Low ==> if SFP+ module is supported otherwise
8174 * High ==> if SFP+ module is not on the approved vendor list
8175 */
8176 bnx2x_set_e3_module_fault_led(params, gpio_mode);
8177 } else
8178 bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
8179}
8180
8181static void bnx2x_warpcore_power_module(struct link_params *params,
8182 struct bnx2x_phy *phy,
8183 u8 power)
8184{
8185 u32 pin_cfg;
8186 struct bnx2x *bp = params->bp;
8187
8188 pin_cfg = (REG_RD(bp, params->shmem_base +
8189 offsetof(struct shmem_region,
8190 dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
8191 PORT_HW_CFG_E3_PWR_DIS_MASK) >>
8192 PORT_HW_CFG_E3_PWR_DIS_SHIFT;
985848f8
YR
8193
8194 if (pin_cfg == PIN_CFG_NA)
8195 return;
3c9ada22
YR
8196 DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
8197 power, pin_cfg);
8198 /*
8199 * Low ==> corresponding SFP+ module is powered
8200 * high ==> the SFP+ module is powered down
8201 */
8202 bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
8203}
8204
985848f8
YR
8205static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
8206 struct link_params *params)
8207{
b76070b4 8208 struct bnx2x *bp = params->bp;
985848f8 8209 bnx2x_warpcore_power_module(params, phy, 0);
b76070b4
YR
8210 /* Put Warpcore in low power mode */
8211 REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
8212
8213 /* Put LCPLL in low power mode */
8214 REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
8215 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
8216 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
985848f8
YR
8217}
8218
e4d78f12
YR
8219static void bnx2x_power_sfp_module(struct link_params *params,
8220 struct bnx2x_phy *phy,
8221 u8 power)
8222{
8223 struct bnx2x *bp = params->bp;
8224 DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
8225
8226 switch (phy->type) {
8227 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8228 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8229 bnx2x_8727_power_module(params->bp, phy, power);
8230 break;
3c9ada22
YR
8231 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8232 bnx2x_warpcore_power_module(params, phy, power);
8233 break;
8234 default:
8235 break;
8236 }
8237}
8238static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
8239 struct bnx2x_phy *phy,
8240 u16 edc_mode)
8241{
8242 u16 val = 0;
8243 u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8244 struct bnx2x *bp = params->bp;
8245
8246 u8 lane = bnx2x_get_warpcore_lane(phy, params);
8247 /* This is a global register which controls all lanes */
8248 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8249 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8250 val &= ~(0xf << (lane << 2));
8251
8252 switch (edc_mode) {
8253 case EDC_MODE_LINEAR:
8254 case EDC_MODE_LIMITING:
8255 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8256 break;
8257 case EDC_MODE_PASSIVE_DAC:
8258 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
8259 break;
e4d78f12
YR
8260 default:
8261 break;
8262 }
3c9ada22
YR
8263
8264 val |= (mode << (lane << 2));
8265 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
8266 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
8267 /* A must read */
8268 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8269 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8270
19af03a3
YR
8271 /* Restart microcode to re-read the new mode */
8272 bnx2x_warpcore_reset_lane(bp, phy, 1);
8273 bnx2x_warpcore_reset_lane(bp, phy, 0);
3c9ada22 8274
e4d78f12
YR
8275}
8276
8277static void bnx2x_set_limiting_mode(struct link_params *params,
8278 struct bnx2x_phy *phy,
8279 u16 edc_mode)
8280{
8281 switch (phy->type) {
8282 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8283 bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
8284 break;
8285 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8286 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8287 bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
8288 break;
3c9ada22
YR
8289 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8290 bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
8291 break;
e4d78f12
YR
8292 }
8293}
8294
fcf5b650
YR
8295int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
8296 struct link_params *params)
b7737c9b 8297{
b7737c9b 8298 struct bnx2x *bp = params->bp;
de6eae1f 8299 u16 edc_mode;
fcf5b650 8300 int rc = 0;
ea4e040a 8301
de6eae1f
YR
8302 u32 val = REG_RD(bp, params->shmem_base +
8303 offsetof(struct shmem_region, dev_info.
8304 port_feature_config[params->port].config));
62b29a5d 8305
de6eae1f
YR
8306 DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
8307 params->port);
e4d78f12
YR
8308 /* Power up module */
8309 bnx2x_power_sfp_module(params, phy, 1);
de6eae1f
YR
8310 if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
8311 DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
8312 return -EINVAL;
cd88ccee 8313 } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
de6eae1f
YR
8314 /* check SFP+ module compatibility */
8315 DP(NETIF_MSG_LINK, "Module verification failed!!\n");
8316 rc = -EINVAL;
8317 /* Turn on fault module-detected led */
a8db5b4c
YR
8318 bnx2x_set_sfp_module_fault_led(params,
8319 MISC_REGISTERS_GPIO_HIGH);
8320
e4d78f12
YR
8321 /* Check if need to power down the SFP+ module */
8322 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8323 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
de6eae1f 8324 DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
e4d78f12 8325 bnx2x_power_sfp_module(params, phy, 0);
de6eae1f
YR
8326 return rc;
8327 }
8328 } else {
8329 /* Turn off fault module-detected led */
a8db5b4c 8330 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
62b29a5d 8331 }
b7737c9b 8332
2cf7acf9
YR
8333 /*
8334 * Check and set limiting mode / LRM mode on 8726. On 8727 it
8335 * is done automatically
8336 */
e4d78f12
YR
8337 bnx2x_set_limiting_mode(params, phy, edc_mode);
8338
de6eae1f
YR
8339 /*
8340 * Enable transmit for this module if the module is approved, or
8341 * if unapproved modules should also enable the Tx laser
8342 */
8343 if (rc == 0 ||
8344 (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8345 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
a8db5b4c 8346 bnx2x_sfp_set_transmitter(params, phy, 1);
de6eae1f 8347 else
a8db5b4c 8348 bnx2x_sfp_set_transmitter(params, phy, 0);
b7737c9b 8349
de6eae1f
YR
8350 return rc;
8351}
8352
8353void bnx2x_handle_module_detect_int(struct link_params *params)
b7737c9b
YR
8354{
8355 struct bnx2x *bp = params->bp;
3c9ada22 8356 struct bnx2x_phy *phy;
de6eae1f 8357 u32 gpio_val;
3c9ada22
YR
8358 u8 gpio_num, gpio_port;
8359 if (CHIP_IS_E3(bp))
8360 phy = &params->phy[INT_PHY];
8361 else
8362 phy = &params->phy[EXT_PHY1];
8363
8364 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
8365 params->port, &gpio_num, &gpio_port) ==
8366 -EINVAL) {
8367 DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
8368 return;
8369 }
4d295db0 8370
de6eae1f 8371 /* Set valid module led off */
a8db5b4c 8372 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
4d295db0 8373
2cf7acf9 8374 /* Get current gpio val reflecting module plugged in / out*/
3c9ada22 8375 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
62b29a5d 8376
de6eae1f
YR
8377 /* Call the handling function in case module is detected */
8378 if (gpio_val == 0) {
e4d78f12 8379 bnx2x_power_sfp_module(params, phy, 1);
3c9ada22 8380 bnx2x_set_gpio_int(bp, gpio_num,
de6eae1f 8381 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
3c9ada22 8382 gpio_port);
de6eae1f
YR
8383 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
8384 bnx2x_sfp_module_detection(phy, params);
8385 else
8386 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
8387 } else {
8388 u32 val = REG_RD(bp, params->shmem_base +
cd88ccee
YR
8389 offsetof(struct shmem_region, dev_info.
8390 port_feature_config[params->port].
8391 config));
3c9ada22 8392 bnx2x_set_gpio_int(bp, gpio_num,
de6eae1f 8393 MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
3c9ada22 8394 gpio_port);
2cf7acf9
YR
8395 /*
8396 * Module was plugged out.
8397 * Disable transmit for this module
8398 */
1ac9e428 8399 phy->media_type = ETH_PHY_NOT_PRESENT;
de6f3377
YR
8400 if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8401 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
8402 CHIP_IS_E3(bp))
a8db5b4c 8403 bnx2x_sfp_set_transmitter(params, phy, 0);
62b29a5d 8404 }
de6eae1f 8405}
62b29a5d 8406
c688fe2f
YR
8407/******************************************************************/
8408/* Used by 8706 and 8727 */
8409/******************************************************************/
8410static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
8411 struct bnx2x_phy *phy,
8412 u16 alarm_status_offset,
8413 u16 alarm_ctrl_offset)
8414{
8415 u16 alarm_status, val;
8416 bnx2x_cl45_read(bp, phy,
8417 MDIO_PMA_DEVAD, alarm_status_offset,
8418 &alarm_status);
8419 bnx2x_cl45_read(bp, phy,
8420 MDIO_PMA_DEVAD, alarm_status_offset,
8421 &alarm_status);
8422 /* Mask or enable the fault event. */
8423 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
8424 if (alarm_status & (1<<0))
8425 val &= ~(1<<0);
8426 else
8427 val |= (1<<0);
8428 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
8429}
de6eae1f
YR
8430/******************************************************************/
8431/* common BCM8706/BCM8726 PHY SECTION */
8432/******************************************************************/
8433static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
8434 struct link_params *params,
8435 struct link_vars *vars)
8436{
8437 u8 link_up = 0;
8438 u16 val1, val2, rx_sd, pcs_status;
8439 struct bnx2x *bp = params->bp;
8440 DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
8441 /* Clear RX Alarm*/
62b29a5d 8442 bnx2x_cl45_read(bp, phy,
60d2fe03 8443 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
c688fe2f 8444
60d2fe03
YR
8445 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8446 MDIO_PMA_LASI_TXCTRL);
c688fe2f 8447
de6eae1f
YR
8448 /* clear LASI indication*/
8449 bnx2x_cl45_read(bp, phy,
60d2fe03 8450 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
de6eae1f 8451 bnx2x_cl45_read(bp, phy,
60d2fe03 8452 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
de6eae1f 8453 DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
62b29a5d
YR
8454
8455 bnx2x_cl45_read(bp, phy,
de6eae1f
YR
8456 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8457 bnx2x_cl45_read(bp, phy,
8458 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
8459 bnx2x_cl45_read(bp, phy,
8460 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8461 bnx2x_cl45_read(bp, phy,
8462 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
62b29a5d 8463
de6eae1f
YR
8464 DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
8465 " link_status 0x%x\n", rx_sd, pcs_status, val2);
2cf7acf9
YR
8466 /*
8467 * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
8468 * are set, or if the autoneg bit 1 is set
de6eae1f
YR
8469 */
8470 link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
8471 if (link_up) {
8472 if (val2 & (1<<1))
8473 vars->line_speed = SPEED_1000;
8474 else
8475 vars->line_speed = SPEED_10000;
62b29a5d 8476 bnx2x_ext_phy_resolve_fc(phy, params, vars);
791f18c0 8477 vars->duplex = DUPLEX_FULL;
de6eae1f 8478 }
c688fe2f
YR
8479
8480 /* Capture 10G link fault. Read twice to clear stale value. */
8481 if (vars->line_speed == SPEED_10000) {
8482 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
60d2fe03 8483 MDIO_PMA_LASI_TXSTAT, &val1);
c688fe2f 8484 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
60d2fe03 8485 MDIO_PMA_LASI_TXSTAT, &val1);
c688fe2f
YR
8486 if (val1 & (1<<0))
8487 vars->fault_detected = 1;
8488 }
8489
62b29a5d 8490 return link_up;
b7737c9b 8491}
62b29a5d 8492
de6eae1f
YR
8493/******************************************************************/
8494/* BCM8706 PHY SECTION */
8495/******************************************************************/
8496static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
b7737c9b
YR
8497 struct link_params *params,
8498 struct link_vars *vars)
8499{
a8db5b4c
YR
8500 u32 tx_en_mode;
8501 u16 cnt, val, tmp1;
b7737c9b 8502 struct bnx2x *bp = params->bp;
3deb8167 8503
de6eae1f 8504 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
cd88ccee 8505 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
de6eae1f
YR
8506 /* HW reset */
8507 bnx2x_ext_phy_hw_reset(bp, params->port);
8508 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
6d870c39 8509 bnx2x_wait_reset_complete(bp, phy, params);
ea4e040a 8510
de6eae1f
YR
8511 /* Wait until fw is loaded */
8512 for (cnt = 0; cnt < 100; cnt++) {
8513 bnx2x_cl45_read(bp, phy,
8514 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
8515 if (val)
8516 break;
8517 msleep(10);
8518 }
8519 DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
8520 if ((params->feature_config_flags &
8521 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8522 u8 i;
8523 u16 reg;
8524 for (i = 0; i < 4; i++) {
8525 reg = MDIO_XS_8706_REG_BANK_RX0 +
8526 i*(MDIO_XS_8706_REG_BANK_RX1 -
8527 MDIO_XS_8706_REG_BANK_RX0);
8528 bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
8529 /* Clear first 3 bits of the control */
8530 val &= ~0x7;
8531 /* Set control bits according to configuration */
8532 val |= (phy->rx_preemphasis[i] & 0x7);
8533 DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
8534 " reg 0x%x <-- val 0x%x\n", reg, val);
8535 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
8536 }
8537 }
8538 /* Force speed */
8539 if (phy->req_line_speed == SPEED_10000) {
8540 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
ea4e040a 8541
de6eae1f
YR
8542 bnx2x_cl45_write(bp, phy,
8543 MDIO_PMA_DEVAD,
8544 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
8545 bnx2x_cl45_write(bp, phy,
60d2fe03 8546 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
c688fe2f
YR
8547 0);
8548 /* Arm LASI for link and Tx fault. */
8549 bnx2x_cl45_write(bp, phy,
60d2fe03 8550 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
de6eae1f 8551 } else {
25985edc 8552 /* Force 1Gbps using autoneg with 1G advertisement */
6bbca910 8553
de6eae1f
YR
8554 /* Allow CL37 through CL73 */
8555 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
8556 bnx2x_cl45_write(bp, phy,
8557 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
6bbca910 8558
25985edc 8559 /* Enable Full-Duplex advertisement on CL37 */
de6eae1f
YR
8560 bnx2x_cl45_write(bp, phy,
8561 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
8562 /* Enable CL37 AN */
8563 bnx2x_cl45_write(bp, phy,
8564 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8565 /* 1G support */
8566 bnx2x_cl45_write(bp, phy,
8567 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
6bbca910 8568
de6eae1f
YR
8569 /* Enable clause 73 AN */
8570 bnx2x_cl45_write(bp, phy,
8571 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8572 bnx2x_cl45_write(bp, phy,
60d2fe03 8573 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
de6eae1f
YR
8574 0x0400);
8575 bnx2x_cl45_write(bp, phy,
60d2fe03 8576 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
de6eae1f
YR
8577 0x0004);
8578 }
8579 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
a8db5b4c
YR
8580
8581 /*
8582 * If TX Laser is controlled by GPIO_0, do not let PHY go into low
8583 * power mode, if TX Laser is disabled
8584 */
8585
8586 tx_en_mode = REG_RD(bp, params->shmem_base +
8587 offsetof(struct shmem_region,
8588 dev_info.port_hw_config[params->port].sfp_ctrl))
8589 & PORT_HW_CFG_TX_LASER_MASK;
8590
8591 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8592 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8593 bnx2x_cl45_read(bp, phy,
8594 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
8595 tmp1 |= 0x1;
8596 bnx2x_cl45_write(bp, phy,
8597 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
8598 }
8599
de6eae1f
YR
8600 return 0;
8601}
ea4e040a 8602
fcf5b650
YR
8603static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
8604 struct link_params *params,
8605 struct link_vars *vars)
de6eae1f
YR
8606{
8607 return bnx2x_8706_8726_read_status(phy, params, vars);
8608}
6bbca910 8609
de6eae1f
YR
8610/******************************************************************/
8611/* BCM8726 PHY SECTION */
8612/******************************************************************/
8613static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
8614 struct link_params *params)
8615{
8616 struct bnx2x *bp = params->bp;
8617 DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
8618 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
8619}
62b29a5d 8620
de6eae1f
YR
8621static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
8622 struct link_params *params)
8623{
8624 struct bnx2x *bp = params->bp;
8625 /* Need to wait 100ms after reset */
8626 msleep(100);
62b29a5d 8627
de6eae1f
YR
8628 /* Micro controller re-boot */
8629 bnx2x_cl45_write(bp, phy,
8630 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
62b29a5d 8631
de6eae1f
YR
8632 /* Set soft reset */
8633 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
8634 MDIO_PMA_DEVAD,
8635 MDIO_PMA_REG_GEN_CTRL,
8636 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
62b29a5d 8637
de6eae1f 8638 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
8639 MDIO_PMA_DEVAD,
8640 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
6bbca910 8641
de6eae1f 8642 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
8643 MDIO_PMA_DEVAD,
8644 MDIO_PMA_REG_GEN_CTRL,
8645 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
de6eae1f
YR
8646
8647 /* wait for 150ms for microcode load */
8648 msleep(150);
8649
8650 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
8651 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
8652 MDIO_PMA_DEVAD,
8653 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
de6eae1f
YR
8654
8655 msleep(200);
8656 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
b7737c9b
YR
8657}
8658
de6eae1f 8659static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
b7737c9b
YR
8660 struct link_params *params,
8661 struct link_vars *vars)
8662{
8663 struct bnx2x *bp = params->bp;
de6eae1f
YR
8664 u16 val1;
8665 u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
62b29a5d
YR
8666 if (link_up) {
8667 bnx2x_cl45_read(bp, phy,
de6eae1f
YR
8668 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
8669 &val1);
8670 if (val1 & (1<<15)) {
8671 DP(NETIF_MSG_LINK, "Tx is disabled\n");
8672 link_up = 0;
8673 vars->line_speed = 0;
8674 }
62b29a5d
YR
8675 }
8676 return link_up;
b7737c9b
YR
8677}
8678
de6eae1f 8679
fcf5b650
YR
8680static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
8681 struct link_params *params,
8682 struct link_vars *vars)
b7737c9b
YR
8683{
8684 struct bnx2x *bp = params->bp;
de6eae1f 8685 DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
62b29a5d 8686
de6eae1f 8687 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
6d870c39 8688 bnx2x_wait_reset_complete(bp, phy, params);
62b29a5d 8689
de6eae1f 8690 bnx2x_8726_external_rom_boot(phy, params);
62b29a5d 8691
2cf7acf9
YR
8692 /*
8693 * Need to call module detected on initialization since the module
8694 * detection triggered by actual module insertion might occur before
8695 * driver is loaded, and when driver is loaded, it reset all
8696 * registers, including the transmitter
8697 */
de6eae1f 8698 bnx2x_sfp_module_detection(phy, params);
62b29a5d 8699
de6eae1f
YR
8700 if (phy->req_line_speed == SPEED_1000) {
8701 DP(NETIF_MSG_LINK, "Setting 1G force\n");
8702 bnx2x_cl45_write(bp, phy,
8703 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
8704 bnx2x_cl45_write(bp, phy,
8705 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
8706 bnx2x_cl45_write(bp, phy,
60d2fe03 8707 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
de6eae1f 8708 bnx2x_cl45_write(bp, phy,
60d2fe03 8709 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
de6eae1f
YR
8710 0x400);
8711 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
8712 (phy->speed_cap_mask &
8713 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
8714 ((phy->speed_cap_mask &
8715 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
8716 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
8717 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
8718 /* Set Flow control */
8719 bnx2x_ext_phy_set_pause(params, phy, vars);
8720 bnx2x_cl45_write(bp, phy,
8721 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
8722 bnx2x_cl45_write(bp, phy,
8723 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8724 bnx2x_cl45_write(bp, phy,
8725 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
8726 bnx2x_cl45_write(bp, phy,
8727 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8728 bnx2x_cl45_write(bp, phy,
8729 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
2cf7acf9
YR
8730 /*
8731 * Enable RX-ALARM control to receive interrupt for 1G speed
8732 * change
8733 */
de6eae1f 8734 bnx2x_cl45_write(bp, phy,
60d2fe03 8735 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
de6eae1f 8736 bnx2x_cl45_write(bp, phy,
60d2fe03 8737 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
de6eae1f 8738 0x400);
62b29a5d 8739
de6eae1f
YR
8740 } else { /* Default 10G. Set only LASI control */
8741 bnx2x_cl45_write(bp, phy,
60d2fe03 8742 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
7aa0711f
YR
8743 }
8744
de6eae1f
YR
8745 /* Set TX PreEmphasis if needed */
8746 if ((params->feature_config_flags &
8747 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
94f05b0f
JP
8748 DP(NETIF_MSG_LINK,
8749 "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
de6eae1f
YR
8750 phy->tx_preemphasis[0],
8751 phy->tx_preemphasis[1]);
8752 bnx2x_cl45_write(bp, phy,
8753 MDIO_PMA_DEVAD,
8754 MDIO_PMA_REG_8726_TX_CTRL1,
8755 phy->tx_preemphasis[0]);
c18aa15d 8756
de6eae1f
YR
8757 bnx2x_cl45_write(bp, phy,
8758 MDIO_PMA_DEVAD,
8759 MDIO_PMA_REG_8726_TX_CTRL2,
8760 phy->tx_preemphasis[1]);
8761 }
ab6ad5a4 8762
de6eae1f 8763 return 0;
ab6ad5a4 8764
ea4e040a
YR
8765}
8766
de6eae1f
YR
8767static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
8768 struct link_params *params)
2f904460 8769{
de6eae1f
YR
8770 struct bnx2x *bp = params->bp;
8771 DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
8772 /* Set serial boot control for external load */
8773 bnx2x_cl45_write(bp, phy,
8774 MDIO_PMA_DEVAD,
8775 MDIO_PMA_REG_GEN_CTRL, 0x0001);
8776}
8777
8778/******************************************************************/
8779/* BCM8727 PHY SECTION */
8780/******************************************************************/
7f02c4ad
YR
8781
8782static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
8783 struct link_params *params, u8 mode)
8784{
8785 struct bnx2x *bp = params->bp;
8786 u16 led_mode_bitmask = 0;
8787 u16 gpio_pins_bitmask = 0;
8788 u16 val;
8789 /* Only NOC flavor requires to set the LED specifically */
8790 if (!(phy->flags & FLAGS_NOC))
8791 return;
8792 switch (mode) {
8793 case LED_MODE_FRONT_PANEL_OFF:
8794 case LED_MODE_OFF:
8795 led_mode_bitmask = 0;
8796 gpio_pins_bitmask = 0x03;
8797 break;
8798 case LED_MODE_ON:
8799 led_mode_bitmask = 0;
8800 gpio_pins_bitmask = 0x02;
8801 break;
8802 case LED_MODE_OPER:
8803 led_mode_bitmask = 0x60;
8804 gpio_pins_bitmask = 0x11;
8805 break;
8806 }
8807 bnx2x_cl45_read(bp, phy,
8808 MDIO_PMA_DEVAD,
8809 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8810 &val);
8811 val &= 0xff8f;
8812 val |= led_mode_bitmask;
8813 bnx2x_cl45_write(bp, phy,
8814 MDIO_PMA_DEVAD,
8815 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8816 val);
8817 bnx2x_cl45_read(bp, phy,
8818 MDIO_PMA_DEVAD,
8819 MDIO_PMA_REG_8727_GPIO_CTRL,
8820 &val);
8821 val &= 0xffe0;
8822 val |= gpio_pins_bitmask;
8823 bnx2x_cl45_write(bp, phy,
8824 MDIO_PMA_DEVAD,
8825 MDIO_PMA_REG_8727_GPIO_CTRL,
8826 val);
8827}
de6eae1f
YR
8828static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
8829 struct link_params *params) {
8830 u32 swap_val, swap_override;
8831 u8 port;
2cf7acf9 8832 /*
de6eae1f
YR
8833 * The PHY reset is controlled by GPIO 1. Fake the port number
8834 * to cancel the swap done in set_gpio()
2f904460 8835 */
de6eae1f
YR
8836 struct bnx2x *bp = params->bp;
8837 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
8838 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
8839 port = (swap_val && swap_override) ^ 1;
8840 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
cd88ccee 8841 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2f904460 8842}
e10bc84d 8843
fcf5b650
YR
8844static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
8845 struct link_params *params,
8846 struct link_vars *vars)
ea4e040a 8847{
a8db5b4c
YR
8848 u32 tx_en_mode;
8849 u16 tmp1, val, mod_abs, tmp2;
de6eae1f
YR
8850 u16 rx_alarm_ctrl_val;
8851 u16 lasi_ctrl_val;
ea4e040a 8852 struct bnx2x *bp = params->bp;
de6eae1f 8853 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
ea4e040a 8854
6d870c39 8855 bnx2x_wait_reset_complete(bp, phy, params);
de6eae1f 8856 rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
c688fe2f
YR
8857 /* Should be 0x6 to enable XS on Tx side. */
8858 lasi_ctrl_val = 0x0006;
ea4e040a 8859
de6eae1f
YR
8860 DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
8861 /* enable LASI */
8862 bnx2x_cl45_write(bp, phy,
60d2fe03 8863 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
de6eae1f 8864 rx_alarm_ctrl_val);
c688fe2f 8865 bnx2x_cl45_write(bp, phy,
60d2fe03 8866 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
c688fe2f 8867 0);
de6eae1f 8868 bnx2x_cl45_write(bp, phy,
60d2fe03 8869 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
ea4e040a 8870
2cf7acf9
YR
8871 /*
8872 * Initially configure MOD_ABS to interrupt when module is
8873 * presence( bit 8)
8874 */
de6eae1f
YR
8875 bnx2x_cl45_read(bp, phy,
8876 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
2cf7acf9
YR
8877 /*
8878 * Set EDC off by setting OPTXLOS signal input to low (bit 9).
8879 * When the EDC is off it locks onto a reference clock and avoids
8880 * becoming 'lost'
8881 */
7f02c4ad
YR
8882 mod_abs &= ~(1<<8);
8883 if (!(phy->flags & FLAGS_NOC))
8884 mod_abs &= ~(1<<9);
de6eae1f
YR
8885 bnx2x_cl45_write(bp, phy,
8886 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
ea4e040a 8887
ea4e040a 8888
85242eea
YR
8889 /* Enable/Disable PHY transmitter output */
8890 bnx2x_set_disable_pmd_transmit(params, phy, 0);
8891
de6eae1f
YR
8892 /* Make MOD_ABS give interrupt on change */
8893 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8894 &val);
8895 val |= (1<<12);
7f02c4ad
YR
8896 if (phy->flags & FLAGS_NOC)
8897 val |= (3<<5);
b7737c9b 8898
2cf7acf9 8899 /*
7f02c4ad
YR
8900 * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
8901 * status which reflect SFP+ module over-current
8902 */
8903 if (!(phy->flags & FLAGS_NOC))
8904 val &= 0xff8f; /* Reset bits 4-6 */
de6eae1f
YR
8905 bnx2x_cl45_write(bp, phy,
8906 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
ea4e040a 8907
de6eae1f
YR
8908 bnx2x_8727_power_module(bp, phy, 1);
8909
8910 bnx2x_cl45_read(bp, phy,
8911 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
8912
8913 bnx2x_cl45_read(bp, phy,
60d2fe03 8914 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
de6eae1f
YR
8915
8916 /* Set option 1G speed */
8917 if (phy->req_line_speed == SPEED_1000) {
8918 DP(NETIF_MSG_LINK, "Setting 1G force\n");
8919 bnx2x_cl45_write(bp, phy,
8920 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
8921 bnx2x_cl45_write(bp, phy,
8922 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
8923 bnx2x_cl45_read(bp, phy,
8924 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
8925 DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
2cf7acf9 8926 /*
a22f0788
YR
8927 * Power down the XAUI until link is up in case of dual-media
8928 * and 1G
8929 */
8930 if (DUAL_MEDIA(params)) {
8931 bnx2x_cl45_read(bp, phy,
8932 MDIO_PMA_DEVAD,
8933 MDIO_PMA_REG_8727_PCS_GP, &val);
8934 val |= (3<<10);
8935 bnx2x_cl45_write(bp, phy,
8936 MDIO_PMA_DEVAD,
8937 MDIO_PMA_REG_8727_PCS_GP, val);
8938 }
de6eae1f
YR
8939 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
8940 ((phy->speed_cap_mask &
8941 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
8942 ((phy->speed_cap_mask &
8943 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
8944 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
8945
8946 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
8947 bnx2x_cl45_write(bp, phy,
8948 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
8949 bnx2x_cl45_write(bp, phy,
8950 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
8951 } else {
2cf7acf9 8952 /*
de6eae1f
YR
8953 * Since the 8727 has only single reset pin, need to set the 10G
8954 * registers although it is default
8955 */
8956 bnx2x_cl45_write(bp, phy,
8957 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
8958 0x0020);
8959 bnx2x_cl45_write(bp, phy,
8960 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
8961 bnx2x_cl45_write(bp, phy,
8962 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
8963 bnx2x_cl45_write(bp, phy,
8964 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
8965 0x0008);
ea4e040a 8966 }
ea4e040a 8967
2cf7acf9
YR
8968 /*
8969 * Set 2-wire transfer rate of SFP+ module EEPROM
de6eae1f
YR
8970 * to 100Khz since some DACs(direct attached cables) do
8971 * not work at 400Khz.
8972 */
8973 bnx2x_cl45_write(bp, phy,
8974 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
8975 0xa001);
b7737c9b 8976
de6eae1f
YR
8977 /* Set TX PreEmphasis if needed */
8978 if ((params->feature_config_flags &
8979 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8980 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
8981 phy->tx_preemphasis[0],
8982 phy->tx_preemphasis[1]);
8983 bnx2x_cl45_write(bp, phy,
8984 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
8985 phy->tx_preemphasis[0]);
ea4e040a 8986
de6eae1f
YR
8987 bnx2x_cl45_write(bp, phy,
8988 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
8989 phy->tx_preemphasis[1]);
8990 }
ea4e040a 8991
a8db5b4c
YR
8992 /*
8993 * If TX Laser is controlled by GPIO_0, do not let PHY go into low
8994 * power mode, if TX Laser is disabled
8995 */
8996 tx_en_mode = REG_RD(bp, params->shmem_base +
8997 offsetof(struct shmem_region,
8998 dev_info.port_hw_config[params->port].sfp_ctrl))
8999 & PORT_HW_CFG_TX_LASER_MASK;
9000
9001 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9002
9003 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
9004 bnx2x_cl45_read(bp, phy,
9005 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
9006 tmp2 |= 0x1000;
9007 tmp2 &= 0xFFEF;
9008 bnx2x_cl45_write(bp, phy,
9009 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
9010 }
9011
de6eae1f 9012 return 0;
ea4e040a
YR
9013}
9014
de6eae1f
YR
9015static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
9016 struct link_params *params)
ea4e040a 9017{
ea4e040a 9018 struct bnx2x *bp = params->bp;
de6eae1f
YR
9019 u16 mod_abs, rx_alarm_status;
9020 u32 val = REG_RD(bp, params->shmem_base +
9021 offsetof(struct shmem_region, dev_info.
9022 port_feature_config[params->port].
9023 config));
9024 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
9025 MDIO_PMA_DEVAD,
9026 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
de6eae1f 9027 if (mod_abs & (1<<8)) {
ea4e040a 9028
de6eae1f 9029 /* Module is absent */
94f05b0f
JP
9030 DP(NETIF_MSG_LINK,
9031 "MOD_ABS indication show module is absent\n");
1ac9e428 9032 phy->media_type = ETH_PHY_NOT_PRESENT;
2cf7acf9
YR
9033 /*
9034 * 1. Set mod_abs to detect next module
9035 * presence event
9036 * 2. Set EDC off by setting OPTXLOS signal input to low
9037 * (bit 9).
9038 * When the EDC is off it locks onto a reference clock and
9039 * avoids becoming 'lost'.
9040 */
7f02c4ad
YR
9041 mod_abs &= ~(1<<8);
9042 if (!(phy->flags & FLAGS_NOC))
9043 mod_abs &= ~(1<<9);
de6eae1f 9044 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
9045 MDIO_PMA_DEVAD,
9046 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
ea4e040a 9047
2cf7acf9
YR
9048 /*
9049 * Clear RX alarm since it stays up as long as
9050 * the mod_abs wasn't changed
9051 */
de6eae1f 9052 bnx2x_cl45_read(bp, phy,
cd88ccee 9053 MDIO_PMA_DEVAD,
60d2fe03 9054 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
ea4e040a 9055
de6eae1f
YR
9056 } else {
9057 /* Module is present */
94f05b0f
JP
9058 DP(NETIF_MSG_LINK,
9059 "MOD_ABS indication show module is present\n");
2cf7acf9
YR
9060 /*
9061 * First disable transmitter, and if the module is ok, the
9062 * module_detection will enable it
9063 * 1. Set mod_abs to detect next module absent event ( bit 8)
9064 * 2. Restore the default polarity of the OPRXLOS signal and
9065 * this signal will then correctly indicate the presence or
9066 * absence of the Rx signal. (bit 9)
9067 */
7f02c4ad
YR
9068 mod_abs |= (1<<8);
9069 if (!(phy->flags & FLAGS_NOC))
9070 mod_abs |= (1<<9);
e10bc84d 9071 bnx2x_cl45_write(bp, phy,
de6eae1f
YR
9072 MDIO_PMA_DEVAD,
9073 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
ea4e040a 9074
2cf7acf9
YR
9075 /*
9076 * Clear RX alarm since it stays up as long as the mod_abs
9077 * wasn't changed. This is need to be done before calling the
9078 * module detection, otherwise it will clear* the link update
9079 * alarm
9080 */
de6eae1f
YR
9081 bnx2x_cl45_read(bp, phy,
9082 MDIO_PMA_DEVAD,
60d2fe03 9083 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
ea4e040a 9084
ea4e040a 9085
de6eae1f
YR
9086 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9087 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
a8db5b4c 9088 bnx2x_sfp_set_transmitter(params, phy, 0);
de6eae1f
YR
9089
9090 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
9091 bnx2x_sfp_module_detection(phy, params);
9092 else
9093 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
ea4e040a 9094 }
de6eae1f
YR
9095
9096 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
2cf7acf9
YR
9097 rx_alarm_status);
9098 /* No need to check link status in case of module plugged in/out */
ea4e040a
YR
9099}
9100
de6eae1f
YR
9101static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
9102 struct link_params *params,
9103 struct link_vars *vars)
9104
ea4e040a
YR
9105{
9106 struct bnx2x *bp = params->bp;
27d02432 9107 u8 link_up = 0, oc_port = params->port;
de6eae1f 9108 u16 link_status = 0;
a22f0788
YR
9109 u16 rx_alarm_status, lasi_ctrl, val1;
9110
9111 /* If PHY is not initialized, do not check link status */
9112 bnx2x_cl45_read(bp, phy,
60d2fe03 9113 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
a22f0788
YR
9114 &lasi_ctrl);
9115 if (!lasi_ctrl)
9116 return 0;
9117
9045f6b4 9118 /* Check the LASI on Rx */
de6eae1f 9119 bnx2x_cl45_read(bp, phy,
60d2fe03 9120 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
de6eae1f
YR
9121 &rx_alarm_status);
9122 vars->line_speed = 0;
9123 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
9124
60d2fe03
YR
9125 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
9126 MDIO_PMA_LASI_TXCTRL);
c688fe2f 9127
de6eae1f 9128 bnx2x_cl45_read(bp, phy,
60d2fe03 9129 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
de6eae1f
YR
9130
9131 DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
9132
9133 /* Clear MSG-OUT */
9134 bnx2x_cl45_read(bp, phy,
9135 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
9136
2cf7acf9 9137 /*
de6eae1f
YR
9138 * If a module is present and there is need to check
9139 * for over current
9140 */
9141 if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
9142 /* Check over-current using 8727 GPIO0 input*/
9143 bnx2x_cl45_read(bp, phy,
9144 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
9145 &val1);
9146
9147 if ((val1 & (1<<8)) == 0) {
27d02432
YR
9148 if (!CHIP_IS_E1x(bp))
9149 oc_port = BP_PATH(bp) + (params->port << 1);
94f05b0f
JP
9150 DP(NETIF_MSG_LINK,
9151 "8727 Power fault has been detected on port %d\n",
9152 oc_port);
2f751a80
YR
9153 netdev_err(bp->dev, "Error: Power fault on Port %d has "
9154 "been detected and the power to "
9155 "that SFP+ module has been removed "
9156 "to prevent failure of the card. "
9157 "Please remove the SFP+ module and "
9158 "restart the system to clear this "
9159 "error.\n",
27d02432 9160 oc_port);
2cf7acf9 9161 /* Disable all RX_ALARMs except for mod_abs */
de6eae1f
YR
9162 bnx2x_cl45_write(bp, phy,
9163 MDIO_PMA_DEVAD,
60d2fe03 9164 MDIO_PMA_LASI_RXCTRL, (1<<5));
de6eae1f
YR
9165
9166 bnx2x_cl45_read(bp, phy,
9167 MDIO_PMA_DEVAD,
9168 MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
9169 /* Wait for module_absent_event */
9170 val1 |= (1<<8);
9171 bnx2x_cl45_write(bp, phy,
9172 MDIO_PMA_DEVAD,
9173 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
9174 /* Clear RX alarm */
9175 bnx2x_cl45_read(bp, phy,
9176 MDIO_PMA_DEVAD,
60d2fe03 9177 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
de6eae1f
YR
9178 return 0;
9179 }
9180 } /* Over current check */
9181
9182 /* When module absent bit is set, check module */
9183 if (rx_alarm_status & (1<<5)) {
9184 bnx2x_8727_handle_mod_abs(phy, params);
9185 /* Enable all mod_abs and link detection bits */
9186 bnx2x_cl45_write(bp, phy,
60d2fe03 9187 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
de6eae1f
YR
9188 ((1<<5) | (1<<2)));
9189 }
a22f0788
YR
9190 DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
9191 bnx2x_8727_specific_func(phy, params, ENABLE_TX);
de6eae1f
YR
9192 /* If transmitter is disabled, ignore false link up indication */
9193 bnx2x_cl45_read(bp, phy,
9194 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
9195 if (val1 & (1<<15)) {
9196 DP(NETIF_MSG_LINK, "Tx is disabled\n");
9197 return 0;
9198 }
9199
9200 bnx2x_cl45_read(bp, phy,
9201 MDIO_PMA_DEVAD,
9202 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
9203
2cf7acf9
YR
9204 /*
9205 * Bits 0..2 --> speed detected,
9206 * Bits 13..15--> link is down
9207 */
de6eae1f
YR
9208 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
9209 link_up = 1;
9210 vars->line_speed = SPEED_10000;
2cf7acf9
YR
9211 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
9212 params->port);
de6eae1f
YR
9213 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
9214 link_up = 1;
9215 vars->line_speed = SPEED_1000;
9216 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
9217 params->port);
9218 } else {
9219 link_up = 0;
9220 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
9221 params->port);
9222 }
c688fe2f
YR
9223
9224 /* Capture 10G link fault. */
9225 if (vars->line_speed == SPEED_10000) {
9226 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
60d2fe03 9227 MDIO_PMA_LASI_TXSTAT, &val1);
c688fe2f
YR
9228
9229 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
60d2fe03 9230 MDIO_PMA_LASI_TXSTAT, &val1);
c688fe2f
YR
9231
9232 if (val1 & (1<<0)) {
9233 vars->fault_detected = 1;
9234 }
9235 }
9236
791f18c0 9237 if (link_up) {
de6eae1f 9238 bnx2x_ext_phy_resolve_fc(phy, params, vars);
791f18c0
YR
9239 vars->duplex = DUPLEX_FULL;
9240 DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
9241 }
a22f0788
YR
9242
9243 if ((DUAL_MEDIA(params)) &&
9244 (phy->req_line_speed == SPEED_1000)) {
9245 bnx2x_cl45_read(bp, phy,
9246 MDIO_PMA_DEVAD,
9247 MDIO_PMA_REG_8727_PCS_GP, &val1);
2cf7acf9 9248 /*
a22f0788
YR
9249 * In case of dual-media board and 1G, power up the XAUI side,
9250 * otherwise power it down. For 10G it is done automatically
9251 */
9252 if (link_up)
9253 val1 &= ~(3<<10);
9254 else
9255 val1 |= (3<<10);
9256 bnx2x_cl45_write(bp, phy,
9257 MDIO_PMA_DEVAD,
9258 MDIO_PMA_REG_8727_PCS_GP, val1);
9259 }
de6eae1f 9260 return link_up;
b7737c9b 9261}
ea4e040a 9262
de6eae1f
YR
9263static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
9264 struct link_params *params)
b7737c9b
YR
9265{
9266 struct bnx2x *bp = params->bp;
85242eea
YR
9267
9268 /* Enable/Disable PHY transmitter output */
9269 bnx2x_set_disable_pmd_transmit(params, phy, 1);
9270
de6eae1f 9271 /* Disable Transmitter */
a8db5b4c 9272 bnx2x_sfp_set_transmitter(params, phy, 0);
a22f0788 9273 /* Clear LASI */
60d2fe03 9274 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
a22f0788 9275
ea4e040a 9276}
c18aa15d 9277
de6eae1f
YR
9278/******************************************************************/
9279/* BCM8481/BCM84823/BCM84833 PHY SECTION */
9280/******************************************************************/
9281static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
11b2ec6b
YR
9282 struct bnx2x *bp,
9283 u8 port)
ea4e040a 9284{
bac27bd9 9285 u16 val, fw_ver1, fw_ver2, cnt;
ea4e040a 9286
11b2ec6b
YR
9287 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9288 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
9289 bnx2x_save_spirom_version(bp, port,
9290 ((fw_ver1 & 0xf000)>>5) | (fw_ver1 & 0x7f),
9291 phy->ver_addr);
9292 } else {
9293 /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
9294 /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
9295 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
9296 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9297 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
9298 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
9299 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
9300
9301 for (cnt = 0; cnt < 100; cnt++) {
9302 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9303 if (val & 1)
9304 break;
9305 udelay(5);
9306 }
9307 if (cnt == 100) {
9308 DP(NETIF_MSG_LINK, "Unable to read 848xx "
9309 "phy fw version(1)\n");
9310 bnx2x_save_spirom_version(bp, port, 0,
9311 phy->ver_addr);
9312 return;
9313 }
c87bca1e 9314
ea4e040a 9315
11b2ec6b
YR
9316 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
9317 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
9318 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9319 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
9320 for (cnt = 0; cnt < 100; cnt++) {
9321 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9322 if (val & 1)
9323 break;
9324 udelay(5);
9325 }
9326 if (cnt == 100) {
9327 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
9328 "version(2)\n");
9329 bnx2x_save_spirom_version(bp, port, 0,
9330 phy->ver_addr);
9331 return;
9332 }
ea4e040a 9333
11b2ec6b
YR
9334 /* lower 16 bits of the register SPI_FW_STATUS */
9335 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
9336 /* upper 16 bits of register SPI_FW_STATUS */
9337 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
ea4e040a 9338
11b2ec6b 9339 bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
de6eae1f 9340 phy->ver_addr);
ea4e040a
YR
9341 }
9342
de6eae1f 9343}
de6eae1f
YR
9344static void bnx2x_848xx_set_led(struct bnx2x *bp,
9345 struct bnx2x_phy *phy)
ea4e040a 9346{
521683da 9347 u16 val, offset;
7846e471 9348
de6eae1f
YR
9349 /* PHYC_CTL_LED_CTL */
9350 bnx2x_cl45_read(bp, phy,
9351 MDIO_PMA_DEVAD,
bac27bd9 9352 MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
de6eae1f
YR
9353 val &= 0xFE00;
9354 val |= 0x0092;
345b5d52 9355
de6eae1f
YR
9356 bnx2x_cl45_write(bp, phy,
9357 MDIO_PMA_DEVAD,
bac27bd9 9358 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
ea4e040a 9359
de6eae1f
YR
9360 bnx2x_cl45_write(bp, phy,
9361 MDIO_PMA_DEVAD,
bac27bd9 9362 MDIO_PMA_REG_8481_LED1_MASK,
de6eae1f 9363 0x80);
ea4e040a 9364
de6eae1f
YR
9365 bnx2x_cl45_write(bp, phy,
9366 MDIO_PMA_DEVAD,
bac27bd9 9367 MDIO_PMA_REG_8481_LED2_MASK,
de6eae1f 9368 0x18);
ea4e040a 9369
f25b3c8b 9370 /* Select activity source by Tx and Rx, as suggested by PHY AE */
de6eae1f
YR
9371 bnx2x_cl45_write(bp, phy,
9372 MDIO_PMA_DEVAD,
bac27bd9 9373 MDIO_PMA_REG_8481_LED3_MASK,
f25b3c8b
YR
9374 0x0006);
9375
9376 /* Select the closest activity blink rate to that in 10/100/1000 */
9377 bnx2x_cl45_write(bp, phy,
9378 MDIO_PMA_DEVAD,
bac27bd9 9379 MDIO_PMA_REG_8481_LED3_BLINK,
f25b3c8b
YR
9380 0);
9381
521683da
YR
9382 /* Configure the blink rate to ~15.9 Hz */
9383 bnx2x_cl45_write(bp, phy,
f25b3c8b 9384 MDIO_PMA_DEVAD,
521683da
YR
9385 MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
9386 MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
f25b3c8b 9387
521683da
YR
9388 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
9389 offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
9390 else
9391 offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
9392
9393 bnx2x_cl45_read(bp, phy,
9394 MDIO_PMA_DEVAD, offset, &val);
9395 val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
f25b3c8b 9396 bnx2x_cl45_write(bp, phy,
521683da 9397 MDIO_PMA_DEVAD, offset, val);
ea4e040a 9398
de6eae1f
YR
9399 /* 'Interrupt Mask' */
9400 bnx2x_cl45_write(bp, phy,
9401 MDIO_AN_DEVAD,
9402 0xFFFB, 0xFFFD);
ea4e040a
YR
9403}
9404
fcf5b650
YR
9405static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
9406 struct link_params *params,
9407 struct link_vars *vars)
ea4e040a 9408{
c18aa15d 9409 struct bnx2x *bp = params->bp;
521683da 9410 u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
bac27bd9
YR
9411 u16 tmp_req_line_speed;
9412
9413 tmp_req_line_speed = phy->req_line_speed;
11b2ec6b 9414 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
bac27bd9
YR
9415 if (phy->req_line_speed == SPEED_10000)
9416 phy->req_line_speed = SPEED_AUTO_NEG;
11b2ec6b
YR
9417 } else {
9418 /* Save spirom version */
9419 bnx2x_save_848xx_spirom_version(phy, bp, params->port);
9420 }
2cf7acf9
YR
9421 /*
9422 * This phy uses the NIG latch mechanism since link indication
9423 * arrives through its LED4 and not via its LASI signal, so we
9424 * get steady signal instead of clear on read
9425 */
de6eae1f
YR
9426 bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
9427 1 << NIG_LATCH_BC_ENABLE_MI_INT);
ea4e040a 9428
de6eae1f
YR
9429 bnx2x_cl45_write(bp, phy,
9430 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
ea4e040a 9431
de6eae1f 9432 bnx2x_848xx_set_led(bp, phy);
ea4e040a 9433
de6eae1f
YR
9434 /* set 1000 speed advertisement */
9435 bnx2x_cl45_read(bp, phy,
9436 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9437 &an_1000_val);
57963ed9 9438
de6eae1f
YR
9439 bnx2x_ext_phy_set_pause(params, phy, vars);
9440 bnx2x_cl45_read(bp, phy,
9441 MDIO_AN_DEVAD,
9442 MDIO_AN_REG_8481_LEGACY_AN_ADV,
9443 &an_10_100_val);
9444 bnx2x_cl45_read(bp, phy,
9445 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9446 &autoneg_val);
9447 /* Disable forced speed */
9448 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9449 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
ea4e040a 9450
de6eae1f
YR
9451 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9452 (phy->speed_cap_mask &
9453 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9454 (phy->req_line_speed == SPEED_1000)) {
9455 an_1000_val |= (1<<8);
9456 autoneg_val |= (1<<9 | 1<<12);
9457 if (phy->req_duplex == DUPLEX_FULL)
9458 an_1000_val |= (1<<9);
9459 DP(NETIF_MSG_LINK, "Advertising 1G\n");
9460 } else
9461 an_1000_val &= ~((1<<8) | (1<<9));
ea4e040a 9462
de6eae1f
YR
9463 bnx2x_cl45_write(bp, phy,
9464 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9465 an_1000_val);
ea4e040a 9466
0520e63a 9467 /* set 100 speed advertisement */
75318327 9468 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
de6eae1f 9469 (phy->speed_cap_mask &
0520e63a 9470 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
75318327 9471 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
de6eae1f
YR
9472 an_10_100_val |= (1<<7);
9473 /* Enable autoneg and restart autoneg for legacy speeds */
9474 autoneg_val |= (1<<9 | 1<<12);
b7737c9b 9475
de6eae1f
YR
9476 if (phy->req_duplex == DUPLEX_FULL)
9477 an_10_100_val |= (1<<8);
9478 DP(NETIF_MSG_LINK, "Advertising 100M\n");
9479 }
9480 /* set 10 speed advertisement */
9481 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
0520e63a
YR
9482 (phy->speed_cap_mask &
9483 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
9484 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
9485 (phy->supported &
9486 (SUPPORTED_10baseT_Half |
9487 SUPPORTED_10baseT_Full)))) {
de6eae1f
YR
9488 an_10_100_val |= (1<<5);
9489 autoneg_val |= (1<<9 | 1<<12);
9490 if (phy->req_duplex == DUPLEX_FULL)
9491 an_10_100_val |= (1<<6);
9492 DP(NETIF_MSG_LINK, "Advertising 10M\n");
9493 }
b7737c9b 9494
de6eae1f 9495 /* Only 10/100 are allowed to work in FORCE mode */
0520e63a
YR
9496 if ((phy->req_line_speed == SPEED_100) &&
9497 (phy->supported &
9498 (SUPPORTED_100baseT_Half |
9499 SUPPORTED_100baseT_Full))) {
de6eae1f
YR
9500 autoneg_val |= (1<<13);
9501 /* Enabled AUTO-MDIX when autoneg is disabled */
9502 bnx2x_cl45_write(bp, phy,
9503 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9504 (1<<15 | 1<<9 | 7<<0));
521683da
YR
9505 /* The PHY needs this set even for forced link. */
9506 an_10_100_val |= (1<<8) | (1<<7);
de6eae1f
YR
9507 DP(NETIF_MSG_LINK, "Setting 100M force\n");
9508 }
0520e63a
YR
9509 if ((phy->req_line_speed == SPEED_10) &&
9510 (phy->supported &
9511 (SUPPORTED_10baseT_Half |
9512 SUPPORTED_10baseT_Full))) {
de6eae1f
YR
9513 /* Enabled AUTO-MDIX when autoneg is disabled */
9514 bnx2x_cl45_write(bp, phy,
9515 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9516 (1<<15 | 1<<9 | 7<<0));
9517 DP(NETIF_MSG_LINK, "Setting 10M force\n");
9518 }
b7737c9b 9519
de6eae1f
YR
9520 bnx2x_cl45_write(bp, phy,
9521 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
9522 an_10_100_val);
b7737c9b 9523
de6eae1f
YR
9524 if (phy->req_duplex == DUPLEX_FULL)
9525 autoneg_val |= (1<<8);
b7737c9b 9526
fd38f73e
YR
9527 /*
9528 * Always write this if this is not 84833.
9529 * For 84833, write it only when it's a forced speed.
9530 */
9531 if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9532 ((autoneg_val & (1<<12)) == 0))
9533 bnx2x_cl45_write(bp, phy,
de6eae1f
YR
9534 MDIO_AN_DEVAD,
9535 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
b7737c9b 9536
de6eae1f
YR
9537 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9538 (phy->speed_cap_mask &
9539 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
9540 (phy->req_line_speed == SPEED_10000)) {
9045f6b4
YR
9541 DP(NETIF_MSG_LINK, "Advertising 10G\n");
9542 /* Restart autoneg for 10G*/
de6eae1f 9543
521683da
YR
9544 bnx2x_cl45_read(bp, phy,
9545 MDIO_AN_DEVAD,
9546 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9547 &an_10g_val);
9045f6b4 9548 bnx2x_cl45_write(bp, phy,
521683da
YR
9549 MDIO_AN_DEVAD,
9550 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9551 an_10g_val | 0x1000);
9552 bnx2x_cl45_write(bp, phy,
9553 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
9554 0x3200);
fd38f73e 9555 } else
de6eae1f
YR
9556 bnx2x_cl45_write(bp, phy,
9557 MDIO_AN_DEVAD,
9558 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9559 1);
fd38f73e 9560
bac27bd9
YR
9561 phy->req_line_speed = tmp_req_line_speed;
9562
de6eae1f 9563 return 0;
b7737c9b
YR
9564}
9565
fcf5b650
YR
9566static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
9567 struct link_params *params,
9568 struct link_vars *vars)
ea4e040a
YR
9569{
9570 struct bnx2x *bp = params->bp;
de6eae1f
YR
9571 /* Restore normal power mode*/
9572 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
cd88ccee 9573 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
b7737c9b 9574
de6eae1f
YR
9575 /* HW reset */
9576 bnx2x_ext_phy_hw_reset(bp, params->port);
6d870c39 9577 bnx2x_wait_reset_complete(bp, phy, params);
ab6ad5a4 9578
de6eae1f
YR
9579 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9580 return bnx2x_848xx_cmn_config_init(phy, params, vars);
9581}
ea4e040a 9582
521683da
YR
9583#define PHY84833_CMDHDLR_WAIT 300
9584#define PHY84833_CMDHDLR_MAX_ARGS 5
9585static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
bac27bd9 9586 struct link_params *params,
521683da
YR
9587 u16 fw_cmd,
9588 u16 cmd_args[])
bac27bd9
YR
9589{
9590 u32 idx;
9591 u16 val;
bac27bd9 9592 struct bnx2x *bp = params->bp;
bac27bd9
YR
9593 /* Write CMD_OPEN_OVERRIDE to STATUS reg */
9594 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
521683da
YR
9595 MDIO_84833_CMD_HDLR_STATUS,
9596 PHY84833_STATUS_CMD_OPEN_OVERRIDE);
9597 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
bac27bd9 9598 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
521683da
YR
9599 MDIO_84833_CMD_HDLR_STATUS, &val);
9600 if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
bac27bd9
YR
9601 break;
9602 msleep(1);
9603 }
521683da
YR
9604 if (idx >= PHY84833_CMDHDLR_WAIT) {
9605 DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
bac27bd9
YR
9606 return -EINVAL;
9607 }
9608
521683da
YR
9609 /* Prepare argument(s) and issue command */
9610 for (idx = 0; idx < PHY84833_CMDHDLR_MAX_ARGS; idx++) {
9611 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9612 MDIO_84833_CMD_HDLR_DATA1 + idx,
9613 cmd_args[idx]);
9614 }
bac27bd9 9615 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
521683da
YR
9616 MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
9617 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
bac27bd9 9618 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
521683da
YR
9619 MDIO_84833_CMD_HDLR_STATUS, &val);
9620 if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
9621 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
bac27bd9
YR
9622 break;
9623 msleep(1);
9624 }
521683da
YR
9625 if ((idx >= PHY84833_CMDHDLR_WAIT) ||
9626 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
9627 DP(NETIF_MSG_LINK, "FW cmd failed.\n");
bac27bd9
YR
9628 return -EINVAL;
9629 }
521683da
YR
9630 /* Gather returning data */
9631 for (idx = 0; idx < PHY84833_CMDHDLR_MAX_ARGS; idx++) {
9632 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9633 MDIO_84833_CMD_HDLR_DATA1 + idx,
9634 &cmd_args[idx]);
9635 }
bac27bd9 9636 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
521683da
YR
9637 MDIO_84833_CMD_HDLR_STATUS,
9638 PHY84833_STATUS_CMD_CLEAR_COMPLETE);
bac27bd9
YR
9639 return 0;
9640}
9641
0d40f0d4 9642
521683da
YR
9643static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
9644 struct link_params *params,
9645 struct link_vars *vars)
9646{
9647 u32 pair_swap;
9648 u16 data[PHY84833_CMDHDLR_MAX_ARGS];
9649 int status;
9650 struct bnx2x *bp = params->bp;
9651
9652 /* Check for configuration. */
9653 pair_swap = REG_RD(bp, params->shmem_base +
9654 offsetof(struct shmem_region,
9655 dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
9656 PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
9657
9658 if (pair_swap == 0)
9659 return 0;
9660
9661 /* Only the second argument is used for this command */
9662 data[1] = (u16)pair_swap;
9663
9664 status = bnx2x_84833_cmd_hdlr(phy, params,
9665 PHY84833_CMD_SET_PAIR_SWAP, data);
9666 if (status == 0)
9667 DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
9668
9669 return status;
9670}
9671
985848f8
YR
9672static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
9673 u32 shmem_base_path[],
9674 u32 chip_id)
0d40f0d4
YR
9675{
9676 u32 reset_pin[2];
9677 u32 idx;
9678 u8 reset_gpios;
9679 if (CHIP_IS_E3(bp)) {
9680 /* Assume that these will be GPIOs, not EPIOs. */
9681 for (idx = 0; idx < 2; idx++) {
9682 /* Map config param to register bit. */
9683 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9684 offsetof(struct shmem_region,
9685 dev_info.port_hw_config[0].e3_cmn_pin_cfg));
9686 reset_pin[idx] = (reset_pin[idx] &
9687 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
9688 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
9689 reset_pin[idx] -= PIN_CFG_GPIO0_P0;
9690 reset_pin[idx] = (1 << reset_pin[idx]);
9691 }
9692 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9693 } else {
9694 /* E2, look from diff place of shmem. */
9695 for (idx = 0; idx < 2; idx++) {
9696 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9697 offsetof(struct shmem_region,
9698 dev_info.port_hw_config[0].default_cfg));
9699 reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
9700 reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
9701 reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
9702 reset_pin[idx] = (1 << reset_pin[idx]);
9703 }
9704 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9705 }
9706
985848f8
YR
9707 return reset_gpios;
9708}
9709
9710static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
9711 struct link_params *params)
9712{
9713 struct bnx2x *bp = params->bp;
9714 u8 reset_gpios;
9715 u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
9716 offsetof(struct shmem2_region,
9717 other_shmem_base_addr));
9718
9719 u32 shmem_base_path[2];
9720 shmem_base_path[0] = params->shmem_base;
9721 shmem_base_path[1] = other_shmem_base_addr;
9722
9723 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
9724 params->chip_id);
9725
9726 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
9727 udelay(10);
9728 DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
9729 reset_gpios);
9730
9731 return 0;
9732}
9733
a89a1d4a 9734#define PHY84833_CONSTANT_LATENCY 1193
fcf5b650
YR
9735static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
9736 struct link_params *params,
9737 struct link_vars *vars)
de6eae1f
YR
9738{
9739 struct bnx2x *bp = params->bp;
6a71bbe0 9740 u8 port, initialize = 1;
bac27bd9 9741 u16 val;
521683da
YR
9742 u32 actual_phy_selection, cms_enable;
9743 u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
fcf5b650 9744 int rc = 0;
7f02c4ad 9745
de6eae1f 9746 msleep(1);
bac27bd9
YR
9747
9748 if (!(CHIP_IS_E1(bp)))
6a71bbe0
YR
9749 port = BP_PATH(bp);
9750 else
9751 port = params->port;
bac27bd9
YR
9752
9753 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
9754 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
9755 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
9756 port);
9757 } else {
985848f8 9758 /* MDIO reset */
bac27bd9
YR
9759 bnx2x_cl45_write(bp, phy,
9760 MDIO_PMA_DEVAD,
9761 MDIO_PMA_REG_CTRL, 0x8000);
521683da
YR
9762 }
9763
9764 bnx2x_wait_reset_complete(bp, phy, params);
9765
9766 /* Wait for GPHY to come out of reset */
9767 msleep(50);
11b2ec6b 9768 if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
521683da
YR
9769 /*
9770 * BCM84823 requires that XGXS links up first @ 10G for normal
9771 * behavior.
9772 */
9773 u16 temp;
9774 temp = vars->line_speed;
9775 vars->line_speed = SPEED_10000;
9776 bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
9777 bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
9778 vars->line_speed = temp;
9779 }
a22f0788
YR
9780
9781 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
bac27bd9 9782 MDIO_CTL_REG_84823_MEDIA, &val);
a22f0788
YR
9783 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
9784 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
9785 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
9786 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
9787 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
0d40f0d4
YR
9788
9789 if (CHIP_IS_E3(bp)) {
9790 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
9791 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
9792 } else {
9793 val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
9794 MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
9795 }
a22f0788
YR
9796
9797 actual_phy_selection = bnx2x_phy_selection(params);
9798
9799 switch (actual_phy_selection) {
9800 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
25985edc 9801 /* Do nothing. Essentially this is like the priority copper */
a22f0788
YR
9802 break;
9803 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
9804 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
9805 break;
9806 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
9807 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
9808 break;
9809 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
9810 /* Do nothing here. The first PHY won't be initialized at all */
9811 break;
9812 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
9813 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
9814 initialize = 0;
9815 break;
9816 }
9817 if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
9818 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
9819
9820 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
bac27bd9 9821 MDIO_CTL_REG_84823_MEDIA, val);
a22f0788
YR
9822 DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
9823 params->multi_phy_config, val);
9824
11b2ec6b
YR
9825 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9826 bnx2x_84833_pair_swap_cfg(phy, params, vars);
a89a1d4a 9827
096b9527
YR
9828 /* Keep AutogrEEEn disabled. */
9829 cmd_args[0] = 0x0;
11b2ec6b
YR
9830 cmd_args[1] = 0x0;
9831 cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
9832 cmd_args[3] = PHY84833_CONSTANT_LATENCY;
9833 rc = bnx2x_84833_cmd_hdlr(phy, params,
9834 PHY84833_CMD_SET_EEE_MODE, cmd_args);
9835 if (rc != 0)
9836 DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
9837 }
a22f0788
YR
9838 if (initialize)
9839 rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
9840 else
11b2ec6b 9841 bnx2x_save_848xx_spirom_version(phy, bp, params->port);
a89a1d4a
YR
9842 /* 84833 PHY has a better feature and doesn't need to support this. */
9843 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
9844 cms_enable = REG_RD(bp, params->shmem_base +
1bef68e3
YR
9845 offsetof(struct shmem_region,
9846 dev_info.port_hw_config[params->port].default_cfg)) &
9847 PORT_HW_CFG_ENABLE_CMS_MASK;
9848
a89a1d4a
YR
9849 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9850 MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
9851 if (cms_enable)
9852 val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
9853 else
9854 val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
9855 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9856 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
9857 }
1bef68e3 9858
11b2ec6b
YR
9859 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9860 /* Bring PHY out of super isolate mode as the final step. */
9861 bnx2x_cl45_read(bp, phy,
9862 MDIO_CTL_DEVAD,
9863 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
9864 val &= ~MDIO_84833_SUPER_ISOLATE;
9865 bnx2x_cl45_write(bp, phy,
9866 MDIO_CTL_DEVAD,
9867 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
9868 }
a22f0788 9869 return rc;
de6eae1f 9870}
ea4e040a 9871
de6eae1f 9872static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
cd88ccee
YR
9873 struct link_params *params,
9874 struct link_vars *vars)
de6eae1f
YR
9875{
9876 struct bnx2x *bp = params->bp;
bac27bd9 9877 u16 val, val1, val2;
de6eae1f 9878 u8 link_up = 0;
ea4e040a 9879
c87bca1e 9880
de6eae1f
YR
9881 /* Check 10G-BaseT link status */
9882 /* Check PMD signal ok */
9883 bnx2x_cl45_read(bp, phy,
9884 MDIO_AN_DEVAD, 0xFFFA, &val1);
9885 bnx2x_cl45_read(bp, phy,
bac27bd9 9886 MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
de6eae1f
YR
9887 &val2);
9888 DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
ea4e040a 9889
de6eae1f
YR
9890 /* Check link 10G */
9891 if (val2 & (1<<11)) {
ea4e040a 9892 vars->line_speed = SPEED_10000;
791f18c0 9893 vars->duplex = DUPLEX_FULL;
de6eae1f
YR
9894 link_up = 1;
9895 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
9896 } else { /* Check Legacy speed link */
9897 u16 legacy_status, legacy_speed;
ea4e040a 9898
de6eae1f
YR
9899 /* Enable expansion register 0x42 (Operation mode status) */
9900 bnx2x_cl45_write(bp, phy,
9901 MDIO_AN_DEVAD,
9902 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
ea4e040a 9903
de6eae1f
YR
9904 /* Get legacy speed operation status */
9905 bnx2x_cl45_read(bp, phy,
9906 MDIO_AN_DEVAD,
9907 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
9908 &legacy_status);
ea4e040a 9909
94f05b0f
JP
9910 DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
9911 legacy_status);
de6eae1f
YR
9912 link_up = ((legacy_status & (1<<11)) == (1<<11));
9913 if (link_up) {
9914 legacy_speed = (legacy_status & (3<<9));
9915 if (legacy_speed == (0<<9))
9916 vars->line_speed = SPEED_10;
9917 else if (legacy_speed == (1<<9))
9918 vars->line_speed = SPEED_100;
9919 else if (legacy_speed == (2<<9))
9920 vars->line_speed = SPEED_1000;
9921 else /* Should not happen */
9922 vars->line_speed = 0;
ea4e040a 9923
de6eae1f
YR
9924 if (legacy_status & (1<<8))
9925 vars->duplex = DUPLEX_FULL;
9926 else
9927 vars->duplex = DUPLEX_HALF;
ea4e040a 9928
94f05b0f
JP
9929 DP(NETIF_MSG_LINK,
9930 "Link is up in %dMbps, is_duplex_full= %d\n",
9931 vars->line_speed,
9932 (vars->duplex == DUPLEX_FULL));
de6eae1f
YR
9933 /* Check legacy speed AN resolution */
9934 bnx2x_cl45_read(bp, phy,
9935 MDIO_AN_DEVAD,
9936 MDIO_AN_REG_8481_LEGACY_MII_STATUS,
9937 &val);
9938 if (val & (1<<5))
9939 vars->link_status |=
9940 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
9941 bnx2x_cl45_read(bp, phy,
9942 MDIO_AN_DEVAD,
9943 MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
9944 &val);
9945 if ((val & (1<<0)) == 0)
9946 vars->link_status |=
9947 LINK_STATUS_PARALLEL_DETECTION_USED;
ea4e040a 9948 }
ea4e040a 9949 }
de6eae1f
YR
9950 if (link_up) {
9951 DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
9952 vars->line_speed);
9953 bnx2x_ext_phy_resolve_fc(phy, params, vars);
9954 }
589abe3a 9955
de6eae1f 9956 return link_up;
b7737c9b
YR
9957}
9958
fcf5b650
YR
9959
9960static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
b7737c9b 9961{
fcf5b650 9962 int status = 0;
de6eae1f
YR
9963 u32 spirom_ver;
9964 spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
9965 status = bnx2x_format_ver(spirom_ver, str, len);
9966 return status;
b7737c9b 9967}
de6eae1f
YR
9968
9969static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
9970 struct link_params *params)
b7737c9b 9971{
de6eae1f 9972 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
cd88ccee 9973 MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
de6eae1f 9974 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
cd88ccee 9975 MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
b7737c9b 9976}
de6eae1f 9977
b7737c9b
YR
9978static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
9979 struct link_params *params)
9980{
9981 bnx2x_cl45_write(params->bp, phy,
9982 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
9983 bnx2x_cl45_write(params->bp, phy,
9984 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
9985}
9986
9987static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
9988 struct link_params *params)
9989{
9990 struct bnx2x *bp = params->bp;
6a71bbe0 9991 u8 port;
0d40f0d4 9992 u16 val16;
bac27bd9
YR
9993
9994 if (!(CHIP_IS_E1(bp)))
6a71bbe0
YR
9995 port = BP_PATH(bp);
9996 else
9997 port = params->port;
bac27bd9
YR
9998
9999 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10000 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10001 MISC_REGISTERS_GPIO_OUTPUT_LOW,
10002 port);
10003 } else {
0d40f0d4
YR
10004 bnx2x_cl45_read(bp, phy,
10005 MDIO_CTL_DEVAD,
11b2ec6b
YR
10006 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
10007 val16 |= MDIO_84833_SUPER_ISOLATE;
fd38f73e 10008 bnx2x_cl45_write(bp, phy,
11b2ec6b
YR
10009 MDIO_CTL_DEVAD,
10010 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
bac27bd9 10011 }
b7737c9b
YR
10012}
10013
7f02c4ad
YR
10014static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
10015 struct link_params *params, u8 mode)
10016{
10017 struct bnx2x *bp = params->bp;
10018 u16 val;
bac27bd9
YR
10019 u8 port;
10020
10021 if (!(CHIP_IS_E1(bp)))
10022 port = BP_PATH(bp);
10023 else
10024 port = params->port;
7f02c4ad
YR
10025
10026 switch (mode) {
10027 case LED_MODE_OFF:
10028
bac27bd9 10029 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
7f02c4ad
YR
10030
10031 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10032 SHARED_HW_CFG_LED_EXTPHY1) {
10033
10034 /* Set LED masks */
10035 bnx2x_cl45_write(bp, phy,
10036 MDIO_PMA_DEVAD,
10037 MDIO_PMA_REG_8481_LED1_MASK,
10038 0x0);
10039
10040 bnx2x_cl45_write(bp, phy,
10041 MDIO_PMA_DEVAD,
10042 MDIO_PMA_REG_8481_LED2_MASK,
10043 0x0);
10044
10045 bnx2x_cl45_write(bp, phy,
10046 MDIO_PMA_DEVAD,
10047 MDIO_PMA_REG_8481_LED3_MASK,
10048 0x0);
10049
10050 bnx2x_cl45_write(bp, phy,
10051 MDIO_PMA_DEVAD,
10052 MDIO_PMA_REG_8481_LED5_MASK,
10053 0x0);
10054
10055 } else {
10056 bnx2x_cl45_write(bp, phy,
10057 MDIO_PMA_DEVAD,
10058 MDIO_PMA_REG_8481_LED1_MASK,
10059 0x0);
10060 }
10061 break;
10062 case LED_MODE_FRONT_PANEL_OFF:
10063
10064 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
bac27bd9 10065 port);
7f02c4ad
YR
10066
10067 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10068 SHARED_HW_CFG_LED_EXTPHY1) {
10069
10070 /* Set LED masks */
10071 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10072 MDIO_PMA_DEVAD,
10073 MDIO_PMA_REG_8481_LED1_MASK,
10074 0x0);
7f02c4ad
YR
10075
10076 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10077 MDIO_PMA_DEVAD,
10078 MDIO_PMA_REG_8481_LED2_MASK,
10079 0x0);
7f02c4ad
YR
10080
10081 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10082 MDIO_PMA_DEVAD,
10083 MDIO_PMA_REG_8481_LED3_MASK,
10084 0x0);
7f02c4ad
YR
10085
10086 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10087 MDIO_PMA_DEVAD,
10088 MDIO_PMA_REG_8481_LED5_MASK,
10089 0x20);
7f02c4ad
YR
10090
10091 } else {
10092 bnx2x_cl45_write(bp, phy,
10093 MDIO_PMA_DEVAD,
10094 MDIO_PMA_REG_8481_LED1_MASK,
10095 0x0);
10096 }
10097 break;
10098 case LED_MODE_ON:
10099
bac27bd9 10100 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
7f02c4ad
YR
10101
10102 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10103 SHARED_HW_CFG_LED_EXTPHY1) {
10104 /* Set control reg */
10105 bnx2x_cl45_read(bp, phy,
10106 MDIO_PMA_DEVAD,
10107 MDIO_PMA_REG_8481_LINK_SIGNAL,
10108 &val);
10109 val &= 0x8000;
10110 val |= 0x2492;
10111
10112 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10113 MDIO_PMA_DEVAD,
10114 MDIO_PMA_REG_8481_LINK_SIGNAL,
10115 val);
7f02c4ad
YR
10116
10117 /* Set LED masks */
10118 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10119 MDIO_PMA_DEVAD,
10120 MDIO_PMA_REG_8481_LED1_MASK,
10121 0x0);
7f02c4ad
YR
10122
10123 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10124 MDIO_PMA_DEVAD,
10125 MDIO_PMA_REG_8481_LED2_MASK,
10126 0x20);
7f02c4ad
YR
10127
10128 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10129 MDIO_PMA_DEVAD,
10130 MDIO_PMA_REG_8481_LED3_MASK,
10131 0x20);
7f02c4ad
YR
10132
10133 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10134 MDIO_PMA_DEVAD,
10135 MDIO_PMA_REG_8481_LED5_MASK,
10136 0x0);
7f02c4ad
YR
10137 } else {
10138 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10139 MDIO_PMA_DEVAD,
10140 MDIO_PMA_REG_8481_LED1_MASK,
10141 0x20);
7f02c4ad
YR
10142 }
10143 break;
10144
10145 case LED_MODE_OPER:
10146
bac27bd9 10147 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
7f02c4ad
YR
10148
10149 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10150 SHARED_HW_CFG_LED_EXTPHY1) {
10151
10152 /* Set control reg */
10153 bnx2x_cl45_read(bp, phy,
10154 MDIO_PMA_DEVAD,
10155 MDIO_PMA_REG_8481_LINK_SIGNAL,
10156 &val);
10157
10158 if (!((val &
cd88ccee
YR
10159 MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
10160 >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
2cf7acf9 10161 DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
7f02c4ad
YR
10162 bnx2x_cl45_write(bp, phy,
10163 MDIO_PMA_DEVAD,
10164 MDIO_PMA_REG_8481_LINK_SIGNAL,
10165 0xa492);
10166 }
10167
10168 /* Set LED masks */
10169 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10170 MDIO_PMA_DEVAD,
10171 MDIO_PMA_REG_8481_LED1_MASK,
10172 0x10);
7f02c4ad
YR
10173
10174 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10175 MDIO_PMA_DEVAD,
10176 MDIO_PMA_REG_8481_LED2_MASK,
10177 0x80);
7f02c4ad
YR
10178
10179 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10180 MDIO_PMA_DEVAD,
10181 MDIO_PMA_REG_8481_LED3_MASK,
10182 0x98);
7f02c4ad
YR
10183
10184 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10185 MDIO_PMA_DEVAD,
10186 MDIO_PMA_REG_8481_LED5_MASK,
10187 0x40);
7f02c4ad
YR
10188
10189 } else {
10190 bnx2x_cl45_write(bp, phy,
10191 MDIO_PMA_DEVAD,
10192 MDIO_PMA_REG_8481_LED1_MASK,
10193 0x80);
53eda06d
YR
10194
10195 /* Tell LED3 to blink on source */
10196 bnx2x_cl45_read(bp, phy,
10197 MDIO_PMA_DEVAD,
10198 MDIO_PMA_REG_8481_LINK_SIGNAL,
10199 &val);
10200 val &= ~(7<<6);
10201 val |= (1<<6); /* A83B[8:6]= 1 */
10202 bnx2x_cl45_write(bp, phy,
10203 MDIO_PMA_DEVAD,
10204 MDIO_PMA_REG_8481_LINK_SIGNAL,
10205 val);
7f02c4ad
YR
10206 }
10207 break;
10208 }
0d40f0d4
YR
10209
10210 /*
10211 * This is a workaround for E3+84833 until autoneg
10212 * restart is fixed in f/w
10213 */
10214 if (CHIP_IS_E3(bp)) {
10215 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
10216 MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
10217 }
7f02c4ad 10218}
0d40f0d4 10219
6583e33b 10220/******************************************************************/
52c4d6c4 10221/* 54618SE PHY SECTION */
6583e33b 10222/******************************************************************/
52c4d6c4 10223static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
6583e33b
YR
10224 struct link_params *params,
10225 struct link_vars *vars)
10226{
10227 struct bnx2x *bp = params->bp;
10228 u8 port;
10229 u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
10230 u32 cfg_pin;
10231
52c4d6c4 10232 DP(NETIF_MSG_LINK, "54618SE cfg init\n");
6583e33b
YR
10233 usleep_range(1000, 1000);
10234
2f751a80
YR
10235 /*
10236 * This works with E3 only, no need to check the chip
10237 * before determining the port.
10238 */
6583e33b
YR
10239 port = params->port;
10240
10241 cfg_pin = (REG_RD(bp, params->shmem_base +
10242 offsetof(struct shmem_region,
10243 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10244 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10245 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10246
10247 /* Drive pin high to bring the GPHY out of reset. */
10248 bnx2x_set_cfg_pin(bp, cfg_pin, 1);
10249
10250 /* wait for GPHY to reset */
10251 msleep(50);
10252
10253 /* reset phy */
10254 bnx2x_cl22_write(bp, phy,
10255 MDIO_PMA_REG_CTRL, 0x8000);
10256 bnx2x_wait_reset_complete(bp, phy, params);
10257
10258 /*wait for GPHY to reset */
10259 msleep(50);
10260
10261 /* Configure LED4: set to INTR (0x6). */
10262 /* Accessing shadow register 0xe. */
10263 bnx2x_cl22_write(bp, phy,
10264 MDIO_REG_GPHY_SHADOW,
10265 MDIO_REG_GPHY_SHADOW_LED_SEL2);
10266 bnx2x_cl22_read(bp, phy,
10267 MDIO_REG_GPHY_SHADOW,
10268 &temp);
10269 temp &= ~(0xf << 4);
10270 temp |= (0x6 << 4);
10271 bnx2x_cl22_write(bp, phy,
10272 MDIO_REG_GPHY_SHADOW,
10273 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10274 /* Configure INTR based on link status change. */
10275 bnx2x_cl22_write(bp, phy,
10276 MDIO_REG_INTR_MASK,
10277 ~MDIO_REG_INTR_MASK_LINK_STATUS);
10278
10279 /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
10280 bnx2x_cl22_write(bp, phy,
10281 MDIO_REG_GPHY_SHADOW,
10282 MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
10283 bnx2x_cl22_read(bp, phy,
10284 MDIO_REG_GPHY_SHADOW,
10285 &temp);
10286 temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
10287 bnx2x_cl22_write(bp, phy,
10288 MDIO_REG_GPHY_SHADOW,
10289 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10290
10291 /* Set up fc */
10292 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
10293 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
10294 fc_val = 0;
10295 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
10296 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
10297 fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
10298
10299 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
10300 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
10301 fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
10302
10303 /* read all advertisement */
10304 bnx2x_cl22_read(bp, phy,
10305 0x09,
10306 &an_1000_val);
10307
10308 bnx2x_cl22_read(bp, phy,
10309 0x04,
10310 &an_10_100_val);
10311
10312 bnx2x_cl22_read(bp, phy,
10313 MDIO_PMA_REG_CTRL,
10314 &autoneg_val);
10315
10316 /* Disable forced speed */
10317 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
10318 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
10319 (1<<11));
10320
10321 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10322 (phy->speed_cap_mask &
10323 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
10324 (phy->req_line_speed == SPEED_1000)) {
10325 an_1000_val |= (1<<8);
10326 autoneg_val |= (1<<9 | 1<<12);
10327 if (phy->req_duplex == DUPLEX_FULL)
10328 an_1000_val |= (1<<9);
10329 DP(NETIF_MSG_LINK, "Advertising 1G\n");
10330 } else
10331 an_1000_val &= ~((1<<8) | (1<<9));
10332
10333 bnx2x_cl22_write(bp, phy,
10334 0x09,
10335 an_1000_val);
10336 bnx2x_cl22_read(bp, phy,
10337 0x09,
10338 &an_1000_val);
10339
10340 /* set 100 speed advertisement */
10341 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10342 (phy->speed_cap_mask &
10343 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
10344 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
10345 an_10_100_val |= (1<<7);
10346 /* Enable autoneg and restart autoneg for legacy speeds */
10347 autoneg_val |= (1<<9 | 1<<12);
10348
10349 if (phy->req_duplex == DUPLEX_FULL)
10350 an_10_100_val |= (1<<8);
10351 DP(NETIF_MSG_LINK, "Advertising 100M\n");
10352 }
10353
10354 /* set 10 speed advertisement */
10355 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10356 (phy->speed_cap_mask &
10357 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
10358 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
10359 an_10_100_val |= (1<<5);
10360 autoneg_val |= (1<<9 | 1<<12);
10361 if (phy->req_duplex == DUPLEX_FULL)
10362 an_10_100_val |= (1<<6);
10363 DP(NETIF_MSG_LINK, "Advertising 10M\n");
10364 }
10365
10366 /* Only 10/100 are allowed to work in FORCE mode */
10367 if (phy->req_line_speed == SPEED_100) {
10368 autoneg_val |= (1<<13);
10369 /* Enabled AUTO-MDIX when autoneg is disabled */
10370 bnx2x_cl22_write(bp, phy,
10371 0x18,
10372 (1<<15 | 1<<9 | 7<<0));
10373 DP(NETIF_MSG_LINK, "Setting 100M force\n");
10374 }
10375 if (phy->req_line_speed == SPEED_10) {
10376 /* Enabled AUTO-MDIX when autoneg is disabled */
10377 bnx2x_cl22_write(bp, phy,
10378 0x18,
10379 (1<<15 | 1<<9 | 7<<0));
10380 DP(NETIF_MSG_LINK, "Setting 10M force\n");
10381 }
10382
a89a1d4a
YR
10383 /* Check if we should turn on Auto-GrEEEn */
10384 bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
10385 if (temp == MDIO_REG_GPHY_ID_54618SE) {
10386 if (params->feature_config_flags &
10387 FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
10388 temp = 6;
10389 DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
10390 } else {
10391 temp = 0;
10392 DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
10393 }
10394 bnx2x_cl22_write(bp, phy,
10395 MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
10396 bnx2x_cl22_write(bp, phy,
10397 MDIO_REG_GPHY_CL45_DATA_REG,
10398 MDIO_REG_GPHY_EEE_ADV);
10399 bnx2x_cl22_write(bp, phy,
10400 MDIO_REG_GPHY_CL45_ADDR_REG,
10401 (0x1 << 14) | MDIO_AN_DEVAD);
10402 bnx2x_cl22_write(bp, phy,
10403 MDIO_REG_GPHY_CL45_DATA_REG,
10404 temp);
10405 }
10406
6583e33b
YR
10407 bnx2x_cl22_write(bp, phy,
10408 0x04,
10409 an_10_100_val | fc_val);
10410
10411 if (phy->req_duplex == DUPLEX_FULL)
10412 autoneg_val |= (1<<8);
10413
10414 bnx2x_cl22_write(bp, phy,
10415 MDIO_PMA_REG_CTRL, autoneg_val);
10416
10417 return 0;
10418}
10419
1d125bd5
YR
10420
10421static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
10422 struct link_params *params, u8 mode)
10423{
10424 struct bnx2x *bp = params->bp;
10425 u16 temp;
10426
10427 bnx2x_cl22_write(bp, phy,
10428 MDIO_REG_GPHY_SHADOW,
10429 MDIO_REG_GPHY_SHADOW_LED_SEL1);
10430 bnx2x_cl22_read(bp, phy,
10431 MDIO_REG_GPHY_SHADOW,
10432 &temp);
10433 temp &= 0xff00;
10434
10435 DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
10436 switch (mode) {
10437 case LED_MODE_FRONT_PANEL_OFF:
10438 case LED_MODE_OFF:
10439 temp |= 0x00ee;
10440 break;
10441 case LED_MODE_OPER:
10442 temp |= 0x0001;
10443 break;
10444 case LED_MODE_ON:
10445 temp |= 0x00ff;
10446 break;
10447 default:
10448 break;
10449 }
10450 bnx2x_cl22_write(bp, phy,
10451 MDIO_REG_GPHY_SHADOW,
10452 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10453 return;
10454}
10455
10456
52c4d6c4
YR
10457static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
10458 struct link_params *params)
6583e33b
YR
10459{
10460 struct bnx2x *bp = params->bp;
10461 u32 cfg_pin;
10462 u8 port;
10463
d2059a06
YR
10464 /*
10465 * In case of no EPIO routed to reset the GPHY, put it
10466 * in low power mode.
10467 */
10468 bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
10469 /*
10470 * This works with E3 only, no need to check the chip
10471 * before determining the port.
10472 */
6583e33b
YR
10473 port = params->port;
10474 cfg_pin = (REG_RD(bp, params->shmem_base +
10475 offsetof(struct shmem_region,
10476 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10477 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10478 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10479
10480 /* Drive pin low to put GPHY in reset. */
10481 bnx2x_set_cfg_pin(bp, cfg_pin, 0);
10482}
10483
52c4d6c4
YR
10484static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
10485 struct link_params *params,
10486 struct link_vars *vars)
6583e33b
YR
10487{
10488 struct bnx2x *bp = params->bp;
10489 u16 val;
10490 u8 link_up = 0;
10491 u16 legacy_status, legacy_speed;
10492
10493 /* Get speed operation status */
10494 bnx2x_cl22_read(bp, phy,
10495 0x19,
10496 &legacy_status);
52c4d6c4 10497 DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
6583e33b
YR
10498
10499 /* Read status to clear the PHY interrupt. */
10500 bnx2x_cl22_read(bp, phy,
10501 MDIO_REG_INTR_STATUS,
10502 &val);
10503
10504 link_up = ((legacy_status & (1<<2)) == (1<<2));
10505
10506 if (link_up) {
10507 legacy_speed = (legacy_status & (7<<8));
10508 if (legacy_speed == (7<<8)) {
10509 vars->line_speed = SPEED_1000;
10510 vars->duplex = DUPLEX_FULL;
10511 } else if (legacy_speed == (6<<8)) {
10512 vars->line_speed = SPEED_1000;
10513 vars->duplex = DUPLEX_HALF;
10514 } else if (legacy_speed == (5<<8)) {
10515 vars->line_speed = SPEED_100;
10516 vars->duplex = DUPLEX_FULL;
10517 }
10518 /* Omitting 100Base-T4 for now */
10519 else if (legacy_speed == (3<<8)) {
10520 vars->line_speed = SPEED_100;
10521 vars->duplex = DUPLEX_HALF;
10522 } else if (legacy_speed == (2<<8)) {
10523 vars->line_speed = SPEED_10;
10524 vars->duplex = DUPLEX_FULL;
10525 } else if (legacy_speed == (1<<8)) {
10526 vars->line_speed = SPEED_10;
10527 vars->duplex = DUPLEX_HALF;
10528 } else /* Should not happen */
10529 vars->line_speed = 0;
10530
94f05b0f
JP
10531 DP(NETIF_MSG_LINK,
10532 "Link is up in %dMbps, is_duplex_full= %d\n",
10533 vars->line_speed,
10534 (vars->duplex == DUPLEX_FULL));
6583e33b
YR
10535
10536 /* Check legacy speed AN resolution */
10537 bnx2x_cl22_read(bp, phy,
10538 0x01,
10539 &val);
10540 if (val & (1<<5))
10541 vars->link_status |=
10542 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10543 bnx2x_cl22_read(bp, phy,
10544 0x06,
10545 &val);
10546 if ((val & (1<<0)) == 0)
10547 vars->link_status |=
10548 LINK_STATUS_PARALLEL_DETECTION_USED;
10549
52c4d6c4 10550 DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
6583e33b 10551 vars->line_speed);
52c4d6c4
YR
10552
10553 /* Report whether EEE is resolved. */
10554 bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
10555 if (val == MDIO_REG_GPHY_ID_54618SE) {
10556 if (vars->link_status &
10557 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
10558 val = 0;
10559 else {
10560 bnx2x_cl22_write(bp, phy,
10561 MDIO_REG_GPHY_CL45_ADDR_REG,
10562 MDIO_AN_DEVAD);
10563 bnx2x_cl22_write(bp, phy,
10564 MDIO_REG_GPHY_CL45_DATA_REG,
10565 MDIO_REG_GPHY_EEE_RESOLVED);
10566 bnx2x_cl22_write(bp, phy,
10567 MDIO_REG_GPHY_CL45_ADDR_REG,
10568 (0x1 << 14) | MDIO_AN_DEVAD);
10569 bnx2x_cl22_read(bp, phy,
10570 MDIO_REG_GPHY_CL45_DATA_REG,
10571 &val);
10572 }
10573 DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
10574 }
10575
6583e33b
YR
10576 bnx2x_ext_phy_resolve_fc(phy, params, vars);
10577 }
10578 return link_up;
10579}
10580
52c4d6c4
YR
10581static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
10582 struct link_params *params)
6583e33b
YR
10583{
10584 struct bnx2x *bp = params->bp;
10585 u16 val;
10586 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
10587
52c4d6c4 10588 DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
6583e33b
YR
10589
10590 /* Enable master/slave manual mmode and set to master */
10591 /* mii write 9 [bits set 11 12] */
10592 bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
10593
10594 /* forced 1G and disable autoneg */
10595 /* set val [mii read 0] */
10596 /* set val [expr $val & [bits clear 6 12 13]] */
10597 /* set val [expr $val | [bits set 6 8]] */
10598 /* mii write 0 $val */
10599 bnx2x_cl22_read(bp, phy, 0x00, &val);
10600 val &= ~((1<<6) | (1<<12) | (1<<13));
10601 val |= (1<<6) | (1<<8);
10602 bnx2x_cl22_write(bp, phy, 0x00, val);
10603
10604 /* Set external loopback and Tx using 6dB coding */
10605 /* mii write 0x18 7 */
10606 /* set val [mii read 0x18] */
10607 /* mii write 0x18 [expr $val | [bits set 10 15]] */
10608 bnx2x_cl22_write(bp, phy, 0x18, 7);
10609 bnx2x_cl22_read(bp, phy, 0x18, &val);
10610 bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
10611
10612 /* This register opens the gate for the UMAC despite its name */
10613 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
10614
10615 /*
10616 * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
10617 * length used by the MAC receive logic to check frames.
10618 */
10619 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
10620}
10621
de6eae1f
YR
10622/******************************************************************/
10623/* SFX7101 PHY SECTION */
10624/******************************************************************/
10625static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
10626 struct link_params *params)
b7737c9b
YR
10627{
10628 struct bnx2x *bp = params->bp;
de6eae1f
YR
10629 /* SFX7101_XGXS_TEST1 */
10630 bnx2x_cl45_write(bp, phy,
10631 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
589abe3a
EG
10632}
10633
fcf5b650
YR
10634static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
10635 struct link_params *params,
10636 struct link_vars *vars)
ea4e040a 10637{
de6eae1f 10638 u16 fw_ver1, fw_ver2, val;
ea4e040a 10639 struct bnx2x *bp = params->bp;
de6eae1f 10640 DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
ea4e040a 10641
de6eae1f
YR
10642 /* Restore normal power mode*/
10643 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
cd88ccee 10644 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
de6eae1f
YR
10645 /* HW reset */
10646 bnx2x_ext_phy_hw_reset(bp, params->port);
6d870c39 10647 bnx2x_wait_reset_complete(bp, phy, params);
ea4e040a 10648
de6eae1f 10649 bnx2x_cl45_write(bp, phy,
60d2fe03 10650 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
de6eae1f
YR
10651 DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
10652 bnx2x_cl45_write(bp, phy,
10653 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
ea4e040a 10654
de6eae1f
YR
10655 bnx2x_ext_phy_set_pause(params, phy, vars);
10656 /* Restart autoneg */
10657 bnx2x_cl45_read(bp, phy,
10658 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
10659 val |= 0x200;
10660 bnx2x_cl45_write(bp, phy,
10661 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
ea4e040a 10662
de6eae1f
YR
10663 /* Save spirom version */
10664 bnx2x_cl45_read(bp, phy,
10665 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
ea4e040a 10666
de6eae1f
YR
10667 bnx2x_cl45_read(bp, phy,
10668 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
10669 bnx2x_save_spirom_version(bp, params->port,
10670 (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
10671 return 0;
10672}
ea4e040a 10673
de6eae1f
YR
10674static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
10675 struct link_params *params,
10676 struct link_vars *vars)
57963ed9
YR
10677{
10678 struct bnx2x *bp = params->bp;
de6eae1f
YR
10679 u8 link_up;
10680 u16 val1, val2;
10681 bnx2x_cl45_read(bp, phy,
60d2fe03 10682 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
de6eae1f 10683 bnx2x_cl45_read(bp, phy,
60d2fe03 10684 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
de6eae1f
YR
10685 DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
10686 val2, val1);
10687 bnx2x_cl45_read(bp, phy,
10688 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
10689 bnx2x_cl45_read(bp, phy,
10690 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
10691 DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
10692 val2, val1);
10693 link_up = ((val1 & 4) == 4);
2cf7acf9 10694 /* if link is up print the AN outcome of the SFX7101 PHY */
de6eae1f
YR
10695 if (link_up) {
10696 bnx2x_cl45_read(bp, phy,
10697 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
10698 &val2);
10699 vars->line_speed = SPEED_10000;
791f18c0 10700 vars->duplex = DUPLEX_FULL;
de6eae1f
YR
10701 DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
10702 val2, (val2 & (1<<14)));
10703 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
10704 bnx2x_ext_phy_resolve_fc(phy, params, vars);
10705 }
10706 return link_up;
10707}
6c55c3cd 10708
fcf5b650 10709static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
de6eae1f
YR
10710{
10711 if (*len < 5)
10712 return -EINVAL;
10713 str[0] = (spirom_ver & 0xFF);
10714 str[1] = (spirom_ver & 0xFF00) >> 8;
10715 str[2] = (spirom_ver & 0xFF0000) >> 16;
10716 str[3] = (spirom_ver & 0xFF000000) >> 24;
10717 str[4] = '\0';
10718 *len -= 5;
57963ed9
YR
10719 return 0;
10720}
10721
de6eae1f 10722void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
57963ed9 10723{
de6eae1f 10724 u16 val, cnt;
7aa0711f 10725
de6eae1f 10726 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
10727 MDIO_PMA_DEVAD,
10728 MDIO_PMA_REG_7101_RESET, &val);
57963ed9 10729
de6eae1f
YR
10730 for (cnt = 0; cnt < 10; cnt++) {
10731 msleep(50);
10732 /* Writes a self-clearing reset */
10733 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10734 MDIO_PMA_DEVAD,
10735 MDIO_PMA_REG_7101_RESET,
10736 (val | (1<<15)));
de6eae1f
YR
10737 /* Wait for clear */
10738 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
10739 MDIO_PMA_DEVAD,
10740 MDIO_PMA_REG_7101_RESET, &val);
0c786f02 10741
de6eae1f
YR
10742 if ((val & (1<<15)) == 0)
10743 break;
57963ed9 10744 }
57963ed9 10745}
ea4e040a 10746
de6eae1f
YR
10747static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
10748 struct link_params *params) {
10749 /* Low power mode is controlled by GPIO 2 */
10750 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
cd88ccee 10751 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
de6eae1f
YR
10752 /* The PHY reset is controlled by GPIO 1 */
10753 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
cd88ccee 10754 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
de6eae1f 10755}
ea4e040a 10756
7f02c4ad
YR
10757static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
10758 struct link_params *params, u8 mode)
10759{
10760 u16 val = 0;
10761 struct bnx2x *bp = params->bp;
10762 switch (mode) {
10763 case LED_MODE_FRONT_PANEL_OFF:
10764 case LED_MODE_OFF:
10765 val = 2;
10766 break;
10767 case LED_MODE_ON:
10768 val = 1;
10769 break;
10770 case LED_MODE_OPER:
10771 val = 0;
10772 break;
10773 }
10774 bnx2x_cl45_write(bp, phy,
10775 MDIO_PMA_DEVAD,
10776 MDIO_PMA_REG_7107_LINK_LED_CNTL,
10777 val);
10778}
10779
de6eae1f
YR
10780/******************************************************************/
10781/* STATIC PHY DECLARATION */
10782/******************************************************************/
ea4e040a 10783
de6eae1f
YR
10784static struct bnx2x_phy phy_null = {
10785 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
10786 .addr = 0,
de6eae1f 10787 .def_md_devad = 0,
9045f6b4 10788 .flags = FLAGS_INIT_XGXS_FIRST,
de6eae1f
YR
10789 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10790 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10791 .mdio_ctrl = 0,
10792 .supported = 0,
10793 .media_type = ETH_PHY_NOT_PRESENT,
10794 .ver_addr = 0,
cd88ccee
YR
10795 .req_flow_ctrl = 0,
10796 .req_line_speed = 0,
10797 .speed_cap_mask = 0,
de6eae1f
YR
10798 .req_duplex = 0,
10799 .rsrv = 0,
10800 .config_init = (config_init_t)NULL,
10801 .read_status = (read_status_t)NULL,
10802 .link_reset = (link_reset_t)NULL,
10803 .config_loopback = (config_loopback_t)NULL,
10804 .format_fw_ver = (format_fw_ver_t)NULL,
10805 .hw_reset = (hw_reset_t)NULL,
a22f0788
YR
10806 .set_link_led = (set_link_led_t)NULL,
10807 .phy_specific_func = (phy_specific_func_t)NULL
de6eae1f 10808};
ea4e040a 10809
de6eae1f
YR
10810static struct bnx2x_phy phy_serdes = {
10811 .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
10812 .addr = 0xff,
de6eae1f 10813 .def_md_devad = 0,
9045f6b4 10814 .flags = 0,
de6eae1f
YR
10815 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10816 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10817 .mdio_ctrl = 0,
10818 .supported = (SUPPORTED_10baseT_Half |
10819 SUPPORTED_10baseT_Full |
10820 SUPPORTED_100baseT_Half |
10821 SUPPORTED_100baseT_Full |
10822 SUPPORTED_1000baseT_Full |
10823 SUPPORTED_2500baseX_Full |
10824 SUPPORTED_TP |
10825 SUPPORTED_Autoneg |
10826 SUPPORTED_Pause |
10827 SUPPORTED_Asym_Pause),
1ac9e428 10828 .media_type = ETH_PHY_BASE_T,
de6eae1f
YR
10829 .ver_addr = 0,
10830 .req_flow_ctrl = 0,
cd88ccee
YR
10831 .req_line_speed = 0,
10832 .speed_cap_mask = 0,
de6eae1f
YR
10833 .req_duplex = 0,
10834 .rsrv = 0,
ec146a6f 10835 .config_init = (config_init_t)bnx2x_xgxs_config_init,
de6eae1f
YR
10836 .read_status = (read_status_t)bnx2x_link_settings_status,
10837 .link_reset = (link_reset_t)bnx2x_int_link_reset,
10838 .config_loopback = (config_loopback_t)NULL,
10839 .format_fw_ver = (format_fw_ver_t)NULL,
10840 .hw_reset = (hw_reset_t)NULL,
a22f0788
YR
10841 .set_link_led = (set_link_led_t)NULL,
10842 .phy_specific_func = (phy_specific_func_t)NULL
de6eae1f 10843};
b7737c9b
YR
10844
10845static struct bnx2x_phy phy_xgxs = {
10846 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
10847 .addr = 0xff,
b7737c9b 10848 .def_md_devad = 0,
9045f6b4 10849 .flags = 0,
b7737c9b
YR
10850 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10851 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10852 .mdio_ctrl = 0,
10853 .supported = (SUPPORTED_10baseT_Half |
10854 SUPPORTED_10baseT_Full |
10855 SUPPORTED_100baseT_Half |
10856 SUPPORTED_100baseT_Full |
10857 SUPPORTED_1000baseT_Full |
10858 SUPPORTED_2500baseX_Full |
10859 SUPPORTED_10000baseT_Full |
10860 SUPPORTED_FIBRE |
10861 SUPPORTED_Autoneg |
10862 SUPPORTED_Pause |
10863 SUPPORTED_Asym_Pause),
1ac9e428 10864 .media_type = ETH_PHY_CX4,
b7737c9b
YR
10865 .ver_addr = 0,
10866 .req_flow_ctrl = 0,
cd88ccee
YR
10867 .req_line_speed = 0,
10868 .speed_cap_mask = 0,
b7737c9b
YR
10869 .req_duplex = 0,
10870 .rsrv = 0,
ec146a6f 10871 .config_init = (config_init_t)bnx2x_xgxs_config_init,
b7737c9b
YR
10872 .read_status = (read_status_t)bnx2x_link_settings_status,
10873 .link_reset = (link_reset_t)bnx2x_int_link_reset,
10874 .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
10875 .format_fw_ver = (format_fw_ver_t)NULL,
10876 .hw_reset = (hw_reset_t)NULL,
a22f0788
YR
10877 .set_link_led = (set_link_led_t)NULL,
10878 .phy_specific_func = (phy_specific_func_t)NULL
b7737c9b 10879};
3c9ada22
YR
10880static struct bnx2x_phy phy_warpcore = {
10881 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
10882 .addr = 0xff,
10883 .def_md_devad = 0,
05822420 10884 .flags = FLAGS_HW_LOCK_REQUIRED,
3c9ada22
YR
10885 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10886 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10887 .mdio_ctrl = 0,
10888 .supported = (SUPPORTED_10baseT_Half |
10889 SUPPORTED_10baseT_Full |
10890 SUPPORTED_100baseT_Half |
10891 SUPPORTED_100baseT_Full |
10892 SUPPORTED_1000baseT_Full |
10893 SUPPORTED_10000baseT_Full |
10894 SUPPORTED_20000baseKR2_Full |
10895 SUPPORTED_20000baseMLD2_Full |
10896 SUPPORTED_FIBRE |
10897 SUPPORTED_Autoneg |
10898 SUPPORTED_Pause |
10899 SUPPORTED_Asym_Pause),
10900 .media_type = ETH_PHY_UNSPECIFIED,
10901 .ver_addr = 0,
10902 .req_flow_ctrl = 0,
10903 .req_line_speed = 0,
10904 .speed_cap_mask = 0,
10905 /* req_duplex = */0,
10906 /* rsrv = */0,
10907 .config_init = (config_init_t)bnx2x_warpcore_config_init,
10908 .read_status = (read_status_t)bnx2x_warpcore_read_status,
10909 .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
10910 .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
10911 .format_fw_ver = (format_fw_ver_t)NULL,
985848f8 10912 .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
3c9ada22
YR
10913 .set_link_led = (set_link_led_t)NULL,
10914 .phy_specific_func = (phy_specific_func_t)NULL
10915};
10916
b7737c9b
YR
10917
10918static struct bnx2x_phy phy_7101 = {
10919 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
10920 .addr = 0xff,
b7737c9b 10921 .def_md_devad = 0,
9045f6b4 10922 .flags = FLAGS_FAN_FAILURE_DET_REQ,
b7737c9b
YR
10923 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10924 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10925 .mdio_ctrl = 0,
10926 .supported = (SUPPORTED_10000baseT_Full |
10927 SUPPORTED_TP |
10928 SUPPORTED_Autoneg |
10929 SUPPORTED_Pause |
10930 SUPPORTED_Asym_Pause),
10931 .media_type = ETH_PHY_BASE_T,
10932 .ver_addr = 0,
10933 .req_flow_ctrl = 0,
cd88ccee
YR
10934 .req_line_speed = 0,
10935 .speed_cap_mask = 0,
b7737c9b
YR
10936 .req_duplex = 0,
10937 .rsrv = 0,
10938 .config_init = (config_init_t)bnx2x_7101_config_init,
10939 .read_status = (read_status_t)bnx2x_7101_read_status,
10940 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
10941 .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
10942 .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
10943 .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
7f02c4ad 10944 .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
a22f0788 10945 .phy_specific_func = (phy_specific_func_t)NULL
b7737c9b
YR
10946};
10947static struct bnx2x_phy phy_8073 = {
10948 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
10949 .addr = 0xff,
b7737c9b 10950 .def_md_devad = 0,
9045f6b4 10951 .flags = FLAGS_HW_LOCK_REQUIRED,
b7737c9b
YR
10952 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10953 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10954 .mdio_ctrl = 0,
10955 .supported = (SUPPORTED_10000baseT_Full |
10956 SUPPORTED_2500baseX_Full |
10957 SUPPORTED_1000baseT_Full |
10958 SUPPORTED_FIBRE |
10959 SUPPORTED_Autoneg |
10960 SUPPORTED_Pause |
10961 SUPPORTED_Asym_Pause),
1ac9e428 10962 .media_type = ETH_PHY_KR,
b7737c9b 10963 .ver_addr = 0,
cd88ccee
YR
10964 .req_flow_ctrl = 0,
10965 .req_line_speed = 0,
10966 .speed_cap_mask = 0,
b7737c9b
YR
10967 .req_duplex = 0,
10968 .rsrv = 0,
62b29a5d 10969 .config_init = (config_init_t)bnx2x_8073_config_init,
b7737c9b
YR
10970 .read_status = (read_status_t)bnx2x_8073_read_status,
10971 .link_reset = (link_reset_t)bnx2x_8073_link_reset,
10972 .config_loopback = (config_loopback_t)NULL,
10973 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
10974 .hw_reset = (hw_reset_t)NULL,
a22f0788
YR
10975 .set_link_led = (set_link_led_t)NULL,
10976 .phy_specific_func = (phy_specific_func_t)NULL
b7737c9b
YR
10977};
10978static struct bnx2x_phy phy_8705 = {
10979 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
10980 .addr = 0xff,
b7737c9b 10981 .def_md_devad = 0,
9045f6b4 10982 .flags = FLAGS_INIT_XGXS_FIRST,
b7737c9b
YR
10983 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10984 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10985 .mdio_ctrl = 0,
10986 .supported = (SUPPORTED_10000baseT_Full |
10987 SUPPORTED_FIBRE |
10988 SUPPORTED_Pause |
10989 SUPPORTED_Asym_Pause),
10990 .media_type = ETH_PHY_XFP_FIBER,
10991 .ver_addr = 0,
10992 .req_flow_ctrl = 0,
10993 .req_line_speed = 0,
10994 .speed_cap_mask = 0,
10995 .req_duplex = 0,
10996 .rsrv = 0,
10997 .config_init = (config_init_t)bnx2x_8705_config_init,
10998 .read_status = (read_status_t)bnx2x_8705_read_status,
10999 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11000 .config_loopback = (config_loopback_t)NULL,
11001 .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
11002 .hw_reset = (hw_reset_t)NULL,
a22f0788
YR
11003 .set_link_led = (set_link_led_t)NULL,
11004 .phy_specific_func = (phy_specific_func_t)NULL
b7737c9b
YR
11005};
11006static struct bnx2x_phy phy_8706 = {
11007 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
11008 .addr = 0xff,
b7737c9b 11009 .def_md_devad = 0,
05822420 11010 .flags = FLAGS_INIT_XGXS_FIRST,
b7737c9b
YR
11011 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11012 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11013 .mdio_ctrl = 0,
11014 .supported = (SUPPORTED_10000baseT_Full |
11015 SUPPORTED_1000baseT_Full |
11016 SUPPORTED_FIBRE |
11017 SUPPORTED_Pause |
11018 SUPPORTED_Asym_Pause),
11019 .media_type = ETH_PHY_SFP_FIBER,
11020 .ver_addr = 0,
11021 .req_flow_ctrl = 0,
11022 .req_line_speed = 0,
11023 .speed_cap_mask = 0,
11024 .req_duplex = 0,
11025 .rsrv = 0,
11026 .config_init = (config_init_t)bnx2x_8706_config_init,
11027 .read_status = (read_status_t)bnx2x_8706_read_status,
11028 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11029 .config_loopback = (config_loopback_t)NULL,
11030 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11031 .hw_reset = (hw_reset_t)NULL,
a22f0788
YR
11032 .set_link_led = (set_link_led_t)NULL,
11033 .phy_specific_func = (phy_specific_func_t)NULL
b7737c9b
YR
11034};
11035
11036static struct bnx2x_phy phy_8726 = {
11037 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
11038 .addr = 0xff,
9045f6b4 11039 .def_md_devad = 0,
b7737c9b 11040 .flags = (FLAGS_HW_LOCK_REQUIRED |
05822420 11041 FLAGS_INIT_XGXS_FIRST),
b7737c9b
YR
11042 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11043 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11044 .mdio_ctrl = 0,
11045 .supported = (SUPPORTED_10000baseT_Full |
11046 SUPPORTED_1000baseT_Full |
11047 SUPPORTED_Autoneg |
11048 SUPPORTED_FIBRE |
11049 SUPPORTED_Pause |
11050 SUPPORTED_Asym_Pause),
1ac9e428 11051 .media_type = ETH_PHY_NOT_PRESENT,
b7737c9b
YR
11052 .ver_addr = 0,
11053 .req_flow_ctrl = 0,
11054 .req_line_speed = 0,
11055 .speed_cap_mask = 0,
11056 .req_duplex = 0,
11057 .rsrv = 0,
11058 .config_init = (config_init_t)bnx2x_8726_config_init,
11059 .read_status = (read_status_t)bnx2x_8726_read_status,
11060 .link_reset = (link_reset_t)bnx2x_8726_link_reset,
11061 .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
11062 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11063 .hw_reset = (hw_reset_t)NULL,
a22f0788
YR
11064 .set_link_led = (set_link_led_t)NULL,
11065 .phy_specific_func = (phy_specific_func_t)NULL
b7737c9b
YR
11066};
11067
11068static struct bnx2x_phy phy_8727 = {
11069 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
11070 .addr = 0xff,
b7737c9b 11071 .def_md_devad = 0,
05822420 11072 .flags = FLAGS_FAN_FAILURE_DET_REQ,
b7737c9b
YR
11073 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11074 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11075 .mdio_ctrl = 0,
11076 .supported = (SUPPORTED_10000baseT_Full |
11077 SUPPORTED_1000baseT_Full |
b7737c9b
YR
11078 SUPPORTED_FIBRE |
11079 SUPPORTED_Pause |
11080 SUPPORTED_Asym_Pause),
1ac9e428 11081 .media_type = ETH_PHY_NOT_PRESENT,
b7737c9b
YR
11082 .ver_addr = 0,
11083 .req_flow_ctrl = 0,
11084 .req_line_speed = 0,
11085 .speed_cap_mask = 0,
11086 .req_duplex = 0,
11087 .rsrv = 0,
11088 .config_init = (config_init_t)bnx2x_8727_config_init,
11089 .read_status = (read_status_t)bnx2x_8727_read_status,
11090 .link_reset = (link_reset_t)bnx2x_8727_link_reset,
11091 .config_loopback = (config_loopback_t)NULL,
11092 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11093 .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
7f02c4ad 11094 .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
a22f0788 11095 .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
b7737c9b
YR
11096};
11097static struct bnx2x_phy phy_8481 = {
11098 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
11099 .addr = 0xff,
9045f6b4 11100 .def_md_devad = 0,
a22f0788
YR
11101 .flags = FLAGS_FAN_FAILURE_DET_REQ |
11102 FLAGS_REARM_LATCH_SIGNAL,
b7737c9b
YR
11103 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11104 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11105 .mdio_ctrl = 0,
11106 .supported = (SUPPORTED_10baseT_Half |
11107 SUPPORTED_10baseT_Full |
11108 SUPPORTED_100baseT_Half |
11109 SUPPORTED_100baseT_Full |
11110 SUPPORTED_1000baseT_Full |
11111 SUPPORTED_10000baseT_Full |
11112 SUPPORTED_TP |
11113 SUPPORTED_Autoneg |
11114 SUPPORTED_Pause |
11115 SUPPORTED_Asym_Pause),
11116 .media_type = ETH_PHY_BASE_T,
11117 .ver_addr = 0,
11118 .req_flow_ctrl = 0,
11119 .req_line_speed = 0,
11120 .speed_cap_mask = 0,
11121 .req_duplex = 0,
11122 .rsrv = 0,
11123 .config_init = (config_init_t)bnx2x_8481_config_init,
11124 .read_status = (read_status_t)bnx2x_848xx_read_status,
11125 .link_reset = (link_reset_t)bnx2x_8481_link_reset,
11126 .config_loopback = (config_loopback_t)NULL,
11127 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11128 .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
7f02c4ad 11129 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
a22f0788 11130 .phy_specific_func = (phy_specific_func_t)NULL
b7737c9b
YR
11131};
11132
de6eae1f
YR
11133static struct bnx2x_phy phy_84823 = {
11134 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
11135 .addr = 0xff,
9045f6b4 11136 .def_md_devad = 0,
a22f0788
YR
11137 .flags = FLAGS_FAN_FAILURE_DET_REQ |
11138 FLAGS_REARM_LATCH_SIGNAL,
de6eae1f
YR
11139 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11140 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11141 .mdio_ctrl = 0,
11142 .supported = (SUPPORTED_10baseT_Half |
11143 SUPPORTED_10baseT_Full |
11144 SUPPORTED_100baseT_Half |
11145 SUPPORTED_100baseT_Full |
11146 SUPPORTED_1000baseT_Full |
11147 SUPPORTED_10000baseT_Full |
11148 SUPPORTED_TP |
11149 SUPPORTED_Autoneg |
11150 SUPPORTED_Pause |
11151 SUPPORTED_Asym_Pause),
11152 .media_type = ETH_PHY_BASE_T,
11153 .ver_addr = 0,
11154 .req_flow_ctrl = 0,
11155 .req_line_speed = 0,
11156 .speed_cap_mask = 0,
11157 .req_duplex = 0,
11158 .rsrv = 0,
11159 .config_init = (config_init_t)bnx2x_848x3_config_init,
11160 .read_status = (read_status_t)bnx2x_848xx_read_status,
11161 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11162 .config_loopback = (config_loopback_t)NULL,
11163 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11164 .hw_reset = (hw_reset_t)NULL,
7f02c4ad 11165 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
a22f0788 11166 .phy_specific_func = (phy_specific_func_t)NULL
de6eae1f
YR
11167};
11168
c87bca1e
YR
11169static struct bnx2x_phy phy_84833 = {
11170 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
11171 .addr = 0xff,
9045f6b4 11172 .def_md_devad = 0,
c87bca1e
YR
11173 .flags = FLAGS_FAN_FAILURE_DET_REQ |
11174 FLAGS_REARM_LATCH_SIGNAL,
c87bca1e
YR
11175 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11176 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11177 .mdio_ctrl = 0,
0520e63a 11178 .supported = (SUPPORTED_100baseT_Half |
c87bca1e
YR
11179 SUPPORTED_100baseT_Full |
11180 SUPPORTED_1000baseT_Full |
11181 SUPPORTED_10000baseT_Full |
11182 SUPPORTED_TP |
11183 SUPPORTED_Autoneg |
11184 SUPPORTED_Pause |
11185 SUPPORTED_Asym_Pause),
11186 .media_type = ETH_PHY_BASE_T,
11187 .ver_addr = 0,
11188 .req_flow_ctrl = 0,
11189 .req_line_speed = 0,
11190 .speed_cap_mask = 0,
11191 .req_duplex = 0,
11192 .rsrv = 0,
11193 .config_init = (config_init_t)bnx2x_848x3_config_init,
11194 .read_status = (read_status_t)bnx2x_848xx_read_status,
11195 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11196 .config_loopback = (config_loopback_t)NULL,
11197 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
985848f8 11198 .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
c87bca1e
YR
11199 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
11200 .phy_specific_func = (phy_specific_func_t)NULL
11201};
11202
52c4d6c4
YR
11203static struct bnx2x_phy phy_54618se = {
11204 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
6583e33b
YR
11205 .addr = 0xff,
11206 .def_md_devad = 0,
11207 .flags = FLAGS_INIT_XGXS_FIRST,
11208 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11209 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11210 .mdio_ctrl = 0,
11211 .supported = (SUPPORTED_10baseT_Half |
11212 SUPPORTED_10baseT_Full |
11213 SUPPORTED_100baseT_Half |
11214 SUPPORTED_100baseT_Full |
11215 SUPPORTED_1000baseT_Full |
11216 SUPPORTED_TP |
11217 SUPPORTED_Autoneg |
11218 SUPPORTED_Pause |
11219 SUPPORTED_Asym_Pause),
11220 .media_type = ETH_PHY_BASE_T,
11221 .ver_addr = 0,
11222 .req_flow_ctrl = 0,
11223 .req_line_speed = 0,
11224 .speed_cap_mask = 0,
11225 /* req_duplex = */0,
11226 /* rsrv = */0,
52c4d6c4
YR
11227 .config_init = (config_init_t)bnx2x_54618se_config_init,
11228 .read_status = (read_status_t)bnx2x_54618se_read_status,
11229 .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
11230 .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
6583e33b
YR
11231 .format_fw_ver = (format_fw_ver_t)NULL,
11232 .hw_reset = (hw_reset_t)NULL,
1d125bd5 11233 .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
6583e33b
YR
11234 .phy_specific_func = (phy_specific_func_t)NULL
11235};
de6eae1f
YR
11236/*****************************************************************/
11237/* */
11238/* Populate the phy according. Main function: bnx2x_populate_phy */
11239/* */
11240/*****************************************************************/
11241
11242static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
11243 struct bnx2x_phy *phy, u8 port,
11244 u8 phy_index)
11245{
11246 /* Get the 4 lanes xgxs config rx and tx */
11247 u32 rx = 0, tx = 0, i;
11248 for (i = 0; i < 2; i++) {
2cf7acf9 11249 /*
de6eae1f
YR
11250 * INT_PHY and EXT_PHY1 share the same value location in the
11251 * shmem. When num_phys is greater than 1, than this value
11252 * applies only to EXT_PHY1
11253 */
a22f0788
YR
11254 if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
11255 rx = REG_RD(bp, shmem_base +
11256 offsetof(struct shmem_region,
cd88ccee 11257 dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
a22f0788
YR
11258
11259 tx = REG_RD(bp, shmem_base +
11260 offsetof(struct shmem_region,
cd88ccee 11261 dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
a22f0788
YR
11262 } else {
11263 rx = REG_RD(bp, shmem_base +
11264 offsetof(struct shmem_region,
cd88ccee 11265 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
de6eae1f 11266
a22f0788
YR
11267 tx = REG_RD(bp, shmem_base +
11268 offsetof(struct shmem_region,
cd88ccee 11269 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
a22f0788 11270 }
de6eae1f
YR
11271
11272 phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
11273 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
11274
11275 phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
11276 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
11277 }
11278}
11279
11280static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
11281 u8 phy_index, u8 port)
11282{
11283 u32 ext_phy_config = 0;
11284 switch (phy_index) {
11285 case EXT_PHY1:
11286 ext_phy_config = REG_RD(bp, shmem_base +
11287 offsetof(struct shmem_region,
11288 dev_info.port_hw_config[port].external_phy_config));
11289 break;
a22f0788
YR
11290 case EXT_PHY2:
11291 ext_phy_config = REG_RD(bp, shmem_base +
11292 offsetof(struct shmem_region,
11293 dev_info.port_hw_config[port].external_phy_config2));
11294 break;
de6eae1f
YR
11295 default:
11296 DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
11297 return -EINVAL;
11298 }
11299
11300 return ext_phy_config;
11301}
fcf5b650
YR
11302static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
11303 struct bnx2x_phy *phy)
de6eae1f
YR
11304{
11305 u32 phy_addr;
11306 u32 chip_id;
11307 u32 switch_cfg = (REG_RD(bp, shmem_base +
11308 offsetof(struct shmem_region,
11309 dev_info.port_feature_config[port].link_config)) &
11310 PORT_FEATURE_CONNECTED_SWITCH_MASK);
ec15b898
YR
11311 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
11312 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
11313
3c9ada22
YR
11314 DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
11315 if (USES_WARPCORE(bp)) {
11316 u32 serdes_net_if;
de6eae1f 11317 phy_addr = REG_RD(bp,
3c9ada22
YR
11318 MISC_REG_WC0_CTRL_PHY_ADDR);
11319 *phy = phy_warpcore;
11320 if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
11321 phy->flags |= FLAGS_4_PORT_MODE;
11322 else
11323 phy->flags &= ~FLAGS_4_PORT_MODE;
11324 /* Check Dual mode */
11325 serdes_net_if = (REG_RD(bp, shmem_base +
11326 offsetof(struct shmem_region, dev_info.
11327 port_hw_config[port].default_cfg)) &
11328 PORT_HW_CFG_NET_SERDES_IF_MASK);
11329 /*
11330 * Set the appropriate supported and flags indications per
11331 * interface type of the chip
11332 */
11333 switch (serdes_net_if) {
11334 case PORT_HW_CFG_NET_SERDES_IF_SGMII:
11335 phy->supported &= (SUPPORTED_10baseT_Half |
11336 SUPPORTED_10baseT_Full |
11337 SUPPORTED_100baseT_Half |
11338 SUPPORTED_100baseT_Full |
11339 SUPPORTED_1000baseT_Full |
11340 SUPPORTED_FIBRE |
11341 SUPPORTED_Autoneg |
11342 SUPPORTED_Pause |
11343 SUPPORTED_Asym_Pause);
11344 phy->media_type = ETH_PHY_BASE_T;
11345 break;
11346 case PORT_HW_CFG_NET_SERDES_IF_XFI:
11347 phy->media_type = ETH_PHY_XFP_FIBER;
11348 break;
11349 case PORT_HW_CFG_NET_SERDES_IF_SFI:
11350 phy->supported &= (SUPPORTED_1000baseT_Full |
11351 SUPPORTED_10000baseT_Full |
11352 SUPPORTED_FIBRE |
11353 SUPPORTED_Pause |
11354 SUPPORTED_Asym_Pause);
11355 phy->media_type = ETH_PHY_SFP_FIBER;
11356 break;
11357 case PORT_HW_CFG_NET_SERDES_IF_KR:
11358 phy->media_type = ETH_PHY_KR;
11359 phy->supported &= (SUPPORTED_1000baseT_Full |
11360 SUPPORTED_10000baseT_Full |
11361 SUPPORTED_FIBRE |
11362 SUPPORTED_Autoneg |
11363 SUPPORTED_Pause |
11364 SUPPORTED_Asym_Pause);
11365 break;
11366 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
11367 phy->media_type = ETH_PHY_KR;
11368 phy->flags |= FLAGS_WC_DUAL_MODE;
11369 phy->supported &= (SUPPORTED_20000baseMLD2_Full |
11370 SUPPORTED_FIBRE |
11371 SUPPORTED_Pause |
11372 SUPPORTED_Asym_Pause);
11373 break;
11374 case PORT_HW_CFG_NET_SERDES_IF_KR2:
11375 phy->media_type = ETH_PHY_KR;
11376 phy->flags |= FLAGS_WC_DUAL_MODE;
11377 phy->supported &= (SUPPORTED_20000baseKR2_Full |
11378 SUPPORTED_FIBRE |
11379 SUPPORTED_Pause |
11380 SUPPORTED_Asym_Pause);
11381 break;
11382 default:
11383 DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
11384 serdes_net_if);
11385 break;
11386 }
11387
11388 /*
11389 * Enable MDC/MDIO work-around for E3 A0 since free running MDC
11390 * was not set as expected. For B0, ECO will be enabled so there
11391 * won't be an issue there
11392 */
11393 if (CHIP_REV(bp) == CHIP_REV_Ax)
11394 phy->flags |= FLAGS_MDC_MDIO_WA;
157fa283
YR
11395 else
11396 phy->flags |= FLAGS_MDC_MDIO_WA_B0;
3c9ada22
YR
11397 } else {
11398 switch (switch_cfg) {
11399 case SWITCH_CFG_1G:
11400 phy_addr = REG_RD(bp,
11401 NIG_REG_SERDES0_CTRL_PHY_ADDR +
11402 port * 0x10);
11403 *phy = phy_serdes;
11404 break;
11405 case SWITCH_CFG_10G:
11406 phy_addr = REG_RD(bp,
11407 NIG_REG_XGXS0_CTRL_PHY_ADDR +
11408 port * 0x18);
11409 *phy = phy_xgxs;
11410 break;
11411 default:
11412 DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
11413 return -EINVAL;
11414 }
de6eae1f
YR
11415 }
11416 phy->addr = (u8)phy_addr;
11417 phy->mdio_ctrl = bnx2x_get_emac_base(bp,
11418 SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
11419 port);
f2e0899f
DK
11420 if (CHIP_IS_E2(bp))
11421 phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
11422 else
11423 phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
de6eae1f
YR
11424
11425 DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
11426 port, phy->addr, phy->mdio_ctrl);
11427
11428 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
11429 return 0;
11430}
11431
fcf5b650
YR
11432static int bnx2x_populate_ext_phy(struct bnx2x *bp,
11433 u8 phy_index,
11434 u32 shmem_base,
11435 u32 shmem2_base,
11436 u8 port,
11437 struct bnx2x_phy *phy)
de6eae1f
YR
11438{
11439 u32 ext_phy_config, phy_type, config2;
11440 u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
11441 ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
11442 phy_index, port);
11443 phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
11444 /* Select the phy type */
11445 switch (phy_type) {
11446 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
11447 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
11448 *phy = phy_8073;
11449 break;
11450 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
11451 *phy = phy_8705;
11452 break;
11453 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
11454 *phy = phy_8706;
11455 break;
11456 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
11457 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
11458 *phy = phy_8726;
11459 break;
11460 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
11461 /* BCM8727_NOC => BCM8727 no over current */
11462 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
11463 *phy = phy_8727;
11464 phy->flags |= FLAGS_NOC;
11465 break;
e4d78f12 11466 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
de6eae1f
YR
11467 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
11468 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
11469 *phy = phy_8727;
11470 break;
11471 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
11472 *phy = phy_8481;
11473 break;
11474 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
11475 *phy = phy_84823;
11476 break;
c87bca1e
YR
11477 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
11478 *phy = phy_84833;
11479 break;
3756a89f 11480 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
52c4d6c4
YR
11481 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
11482 *phy = phy_54618se;
6583e33b 11483 break;
de6eae1f
YR
11484 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
11485 *phy = phy_7101;
11486 break;
11487 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
11488 *phy = phy_null;
11489 return -EINVAL;
11490 default:
11491 *phy = phy_null;
6db5193b
YR
11492 /* In case external PHY wasn't found */
11493 if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
11494 (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
11495 return -EINVAL;
de6eae1f
YR
11496 return 0;
11497 }
11498
11499 phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
11500 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
11501
2cf7acf9
YR
11502 /*
11503 * The shmem address of the phy version is located on different
11504 * structures. In case this structure is too old, do not set
11505 * the address
11506 */
de6eae1f
YR
11507 config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
11508 dev_info.shared_hw_config.config2));
a22f0788
YR
11509 if (phy_index == EXT_PHY1) {
11510 phy->ver_addr = shmem_base + offsetof(struct shmem_region,
11511 port_mb[port].ext_phy_fw_version);
de6eae1f 11512
cd88ccee
YR
11513 /* Check specific mdc mdio settings */
11514 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
11515 mdc_mdio_access = config2 &
11516 SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
a22f0788
YR
11517 } else {
11518 u32 size = REG_RD(bp, shmem2_base);
de6eae1f 11519
a22f0788
YR
11520 if (size >
11521 offsetof(struct shmem2_region, ext_phy_fw_version2)) {
11522 phy->ver_addr = shmem2_base +
11523 offsetof(struct shmem2_region,
11524 ext_phy_fw_version2[port]);
11525 }
11526 /* Check specific mdc mdio settings */
11527 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
11528 mdc_mdio_access = (config2 &
11529 SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
11530 (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
11531 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
11532 }
de6eae1f
YR
11533 phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
11534
75318327
YR
11535 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
11536 (phy->ver_addr)) {
11537 /*
11538 * Remove 100Mb link supported for BCM84833 when phy fw
11539 * version lower than or equal to 1.39
11540 */
11541 u32 raw_ver = REG_RD(bp, phy->ver_addr);
11542 if (((raw_ver & 0x7F) <= 39) &&
11543 (((raw_ver & 0xF80) >> 7) <= 1))
11544 phy->supported &= ~(SUPPORTED_100baseT_Half |
11545 SUPPORTED_100baseT_Full);
11546 }
11547
2cf7acf9 11548 /*
de6eae1f
YR
11549 * In case mdc/mdio_access of the external phy is different than the
11550 * mdc/mdio access of the XGXS, a HW lock must be taken in each access
11551 * to prevent one port interfere with another port's CL45 operations.
11552 */
11553 if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
11554 phy->flags |= FLAGS_HW_LOCK_REQUIRED;
11555 DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
11556 phy_type, port, phy_index);
11557 DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
11558 phy->addr, phy->mdio_ctrl);
11559 return 0;
11560}
11561
fcf5b650
YR
11562static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
11563 u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
de6eae1f 11564{
fcf5b650 11565 int status = 0;
de6eae1f
YR
11566 phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
11567 if (phy_index == INT_PHY)
11568 return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
a22f0788 11569 status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
de6eae1f
YR
11570 port, phy);
11571 return status;
11572}
11573
11574static void bnx2x_phy_def_cfg(struct link_params *params,
11575 struct bnx2x_phy *phy,
a22f0788 11576 u8 phy_index)
de6eae1f
YR
11577{
11578 struct bnx2x *bp = params->bp;
11579 u32 link_config;
11580 /* Populate the default phy configuration for MF mode */
a22f0788
YR
11581 if (phy_index == EXT_PHY2) {
11582 link_config = REG_RD(bp, params->shmem_base +
cd88ccee 11583 offsetof(struct shmem_region, dev_info.
a22f0788
YR
11584 port_feature_config[params->port].link_config2));
11585 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
cd88ccee
YR
11586 offsetof(struct shmem_region,
11587 dev_info.
a22f0788
YR
11588 port_hw_config[params->port].speed_capability_mask2));
11589 } else {
11590 link_config = REG_RD(bp, params->shmem_base +
cd88ccee 11591 offsetof(struct shmem_region, dev_info.
a22f0788
YR
11592 port_feature_config[params->port].link_config));
11593 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
cd88ccee
YR
11594 offsetof(struct shmem_region,
11595 dev_info.
11596 port_hw_config[params->port].speed_capability_mask));
a22f0788 11597 }
94f05b0f
JP
11598 DP(NETIF_MSG_LINK,
11599 "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
11600 phy_index, link_config, phy->speed_cap_mask);
de6eae1f
YR
11601
11602 phy->req_duplex = DUPLEX_FULL;
11603 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
11604 case PORT_FEATURE_LINK_SPEED_10M_HALF:
11605 phy->req_duplex = DUPLEX_HALF;
11606 case PORT_FEATURE_LINK_SPEED_10M_FULL:
11607 phy->req_line_speed = SPEED_10;
11608 break;
11609 case PORT_FEATURE_LINK_SPEED_100M_HALF:
11610 phy->req_duplex = DUPLEX_HALF;
11611 case PORT_FEATURE_LINK_SPEED_100M_FULL:
11612 phy->req_line_speed = SPEED_100;
11613 break;
11614 case PORT_FEATURE_LINK_SPEED_1G:
11615 phy->req_line_speed = SPEED_1000;
11616 break;
11617 case PORT_FEATURE_LINK_SPEED_2_5G:
11618 phy->req_line_speed = SPEED_2500;
11619 break;
11620 case PORT_FEATURE_LINK_SPEED_10G_CX4:
11621 phy->req_line_speed = SPEED_10000;
11622 break;
11623 default:
11624 phy->req_line_speed = SPEED_AUTO_NEG;
11625 break;
11626 }
11627
11628 switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
11629 case PORT_FEATURE_FLOW_CONTROL_AUTO:
11630 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
11631 break;
11632 case PORT_FEATURE_FLOW_CONTROL_TX:
11633 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
11634 break;
11635 case PORT_FEATURE_FLOW_CONTROL_RX:
11636 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
11637 break;
11638 case PORT_FEATURE_FLOW_CONTROL_BOTH:
11639 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
11640 break;
11641 default:
11642 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11643 break;
11644 }
11645}
11646
a22f0788
YR
11647u32 bnx2x_phy_selection(struct link_params *params)
11648{
11649 u32 phy_config_swapped, prio_cfg;
11650 u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
11651
11652 phy_config_swapped = params->multi_phy_config &
11653 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
11654
11655 prio_cfg = params->multi_phy_config &
11656 PORT_HW_CFG_PHY_SELECTION_MASK;
11657
11658 if (phy_config_swapped) {
11659 switch (prio_cfg) {
11660 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
11661 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
11662 break;
11663 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
11664 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
11665 break;
11666 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
11667 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
11668 break;
11669 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
11670 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
11671 break;
11672 }
11673 } else
11674 return_cfg = prio_cfg;
11675
11676 return return_cfg;
11677}
11678
11679
fcf5b650 11680int bnx2x_phy_probe(struct link_params *params)
de6eae1f 11681{
2f751a80 11682 u8 phy_index, actual_phy_idx;
1ac9e428 11683 u32 phy_config_swapped, sync_offset, media_types;
de6eae1f
YR
11684 struct bnx2x *bp = params->bp;
11685 struct bnx2x_phy *phy;
11686 params->num_phys = 0;
11687 DP(NETIF_MSG_LINK, "Begin phy probe\n");
a22f0788
YR
11688 phy_config_swapped = params->multi_phy_config &
11689 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
de6eae1f
YR
11690
11691 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
11692 phy_index++) {
de6eae1f 11693 actual_phy_idx = phy_index;
a22f0788
YR
11694 if (phy_config_swapped) {
11695 if (phy_index == EXT_PHY1)
11696 actual_phy_idx = EXT_PHY2;
11697 else if (phy_index == EXT_PHY2)
11698 actual_phy_idx = EXT_PHY1;
11699 }
11700 DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
11701 " actual_phy_idx %x\n", phy_config_swapped,
11702 phy_index, actual_phy_idx);
de6eae1f
YR
11703 phy = &params->phy[actual_phy_idx];
11704 if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
a22f0788 11705 params->shmem2_base, params->port,
de6eae1f
YR
11706 phy) != 0) {
11707 params->num_phys = 0;
11708 DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
11709 phy_index);
11710 for (phy_index = INT_PHY;
11711 phy_index < MAX_PHYS;
11712 phy_index++)
11713 *phy = phy_null;
11714 return -EINVAL;
11715 }
11716 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
11717 break;
11718
1ac9e428
YR
11719 sync_offset = params->shmem_base +
11720 offsetof(struct shmem_region,
11721 dev_info.port_hw_config[params->port].media_type);
11722 media_types = REG_RD(bp, sync_offset);
11723
11724 /*
11725 * Update media type for non-PMF sync only for the first time
11726 * In case the media type changes afterwards, it will be updated
11727 * using the update_status function
11728 */
11729 if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
11730 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
11731 actual_phy_idx))) == 0) {
11732 media_types |= ((phy->media_type &
11733 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
11734 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
11735 actual_phy_idx));
11736 }
11737 REG_WR(bp, sync_offset, media_types);
11738
a22f0788 11739 bnx2x_phy_def_cfg(params, phy, phy_index);
de6eae1f
YR
11740 params->num_phys++;
11741 }
11742
11743 DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
11744 return 0;
11745}
11746
9045f6b4
YR
11747void bnx2x_init_bmac_loopback(struct link_params *params,
11748 struct link_vars *vars)
de6eae1f
YR
11749{
11750 struct bnx2x *bp = params->bp;
de6eae1f
YR
11751 vars->link_up = 1;
11752 vars->line_speed = SPEED_10000;
11753 vars->duplex = DUPLEX_FULL;
11754 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11755 vars->mac_type = MAC_TYPE_BMAC;
b7737c9b 11756
de6eae1f 11757 vars->phy_flags = PHY_XGXS_FLAG;
b7737c9b 11758
de6eae1f 11759 bnx2x_xgxs_deassert(params);
b7737c9b 11760
de6eae1f
YR
11761 /* set bmac loopback */
11762 bnx2x_bmac_enable(params, vars, 1);
b7737c9b 11763
cd88ccee 11764 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
9045f6b4 11765}
b7737c9b 11766
9045f6b4
YR
11767void bnx2x_init_emac_loopback(struct link_params *params,
11768 struct link_vars *vars)
11769{
11770 struct bnx2x *bp = params->bp;
de6eae1f
YR
11771 vars->link_up = 1;
11772 vars->line_speed = SPEED_1000;
11773 vars->duplex = DUPLEX_FULL;
11774 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11775 vars->mac_type = MAC_TYPE_EMAC;
b7737c9b 11776
de6eae1f 11777 vars->phy_flags = PHY_XGXS_FLAG;
e10bc84d 11778
de6eae1f
YR
11779 bnx2x_xgxs_deassert(params);
11780 /* set bmac loopback */
11781 bnx2x_emac_enable(params, vars, 1);
11782 bnx2x_emac_program(params, vars);
cd88ccee 11783 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
9045f6b4 11784}
b7737c9b 11785
9380bb9e
YR
11786void bnx2x_init_xmac_loopback(struct link_params *params,
11787 struct link_vars *vars)
11788{
11789 struct bnx2x *bp = params->bp;
11790 vars->link_up = 1;
11791 if (!params->req_line_speed[0])
11792 vars->line_speed = SPEED_10000;
11793 else
11794 vars->line_speed = params->req_line_speed[0];
11795 vars->duplex = DUPLEX_FULL;
11796 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11797 vars->mac_type = MAC_TYPE_XMAC;
11798 vars->phy_flags = PHY_XGXS_FLAG;
11799 /*
11800 * Set WC to loopback mode since link is required to provide clock
11801 * to the XMAC in 20G mode
11802 */
afad009a
YR
11803 bnx2x_set_aer_mmd(params, &params->phy[0]);
11804 bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
11805 params->phy[INT_PHY].config_loopback(
3c9ada22
YR
11806 &params->phy[INT_PHY],
11807 params);
afad009a 11808
9380bb9e
YR
11809 bnx2x_xmac_enable(params, vars, 1);
11810 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11811}
11812
11813void bnx2x_init_umac_loopback(struct link_params *params,
11814 struct link_vars *vars)
11815{
11816 struct bnx2x *bp = params->bp;
11817 vars->link_up = 1;
11818 vars->line_speed = SPEED_1000;
11819 vars->duplex = DUPLEX_FULL;
11820 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11821 vars->mac_type = MAC_TYPE_UMAC;
11822 vars->phy_flags = PHY_XGXS_FLAG;
11823 bnx2x_umac_enable(params, vars, 1);
11824
11825 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11826}
11827
9045f6b4
YR
11828void bnx2x_init_xgxs_loopback(struct link_params *params,
11829 struct link_vars *vars)
11830{
11831 struct bnx2x *bp = params->bp;
de6eae1f 11832 vars->link_up = 1;
de6eae1f 11833 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
a22f0788 11834 vars->duplex = DUPLEX_FULL;
9045f6b4 11835 if (params->req_line_speed[0] == SPEED_1000)
a22f0788 11836 vars->line_speed = SPEED_1000;
9045f6b4 11837 else
a22f0788 11838 vars->line_speed = SPEED_10000;
62b29a5d 11839
9380bb9e
YR
11840 if (!USES_WARPCORE(bp))
11841 bnx2x_xgxs_deassert(params);
9045f6b4
YR
11842 bnx2x_link_initialize(params, vars);
11843
11844 if (params->req_line_speed[0] == SPEED_1000) {
9380bb9e
YR
11845 if (USES_WARPCORE(bp))
11846 bnx2x_umac_enable(params, vars, 0);
11847 else {
11848 bnx2x_emac_program(params, vars);
11849 bnx2x_emac_enable(params, vars, 0);
11850 }
11851 } else {
11852 if (USES_WARPCORE(bp))
11853 bnx2x_xmac_enable(params, vars, 0);
11854 else
11855 bnx2x_bmac_enable(params, vars, 0);
11856 }
9045f6b4 11857
de6eae1f
YR
11858 if (params->loopback_mode == LOOPBACK_XGXS) {
11859 /* set 10G XGXS loopback */
11860 params->phy[INT_PHY].config_loopback(
11861 &params->phy[INT_PHY],
11862 params);
c18aa15d 11863
de6eae1f
YR
11864 } else {
11865 /* set external phy loopback */
11866 u8 phy_index;
11867 for (phy_index = EXT_PHY1;
11868 phy_index < params->num_phys; phy_index++) {
11869 if (params->phy[phy_index].config_loopback)
11870 params->phy[phy_index].config_loopback(
11871 &params->phy[phy_index],
11872 params);
11873 }
11874 }
cd88ccee 11875 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
de6eae1f 11876
9045f6b4
YR
11877 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
11878}
11879
11880int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
11881{
11882 struct bnx2x *bp = params->bp;
11883 DP(NETIF_MSG_LINK, "Phy Initialization started\n");
11884 DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
11885 params->req_line_speed[0], params->req_flow_ctrl[0]);
11886 DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
11887 params->req_line_speed[1], params->req_flow_ctrl[1]);
11888 vars->link_status = 0;
11889 vars->phy_link_up = 0;
11890 vars->link_up = 0;
11891 vars->line_speed = 0;
11892 vars->duplex = DUPLEX_FULL;
11893 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11894 vars->mac_type = MAC_TYPE_NONE;
11895 vars->phy_flags = 0;
11896
11897 /* disable attentions */
11898 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
11899 (NIG_MASK_XGXS0_LINK_STATUS |
11900 NIG_MASK_XGXS0_LINK10G |
11901 NIG_MASK_SERDES0_LINK_STATUS |
11902 NIG_MASK_MI_INT));
11903
11904 bnx2x_emac_init(params, vars);
11905
11906 if (params->num_phys == 0) {
11907 DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
11908 return -EINVAL;
11909 }
11910 set_phy_vars(params, vars);
11911
11912 DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
11913 switch (params->loopback_mode) {
11914 case LOOPBACK_BMAC:
11915 bnx2x_init_bmac_loopback(params, vars);
11916 break;
11917 case LOOPBACK_EMAC:
11918 bnx2x_init_emac_loopback(params, vars);
11919 break;
9380bb9e
YR
11920 case LOOPBACK_XMAC:
11921 bnx2x_init_xmac_loopback(params, vars);
11922 break;
11923 case LOOPBACK_UMAC:
11924 bnx2x_init_umac_loopback(params, vars);
11925 break;
9045f6b4
YR
11926 case LOOPBACK_XGXS:
11927 case LOOPBACK_EXT_PHY:
11928 bnx2x_init_xgxs_loopback(params, vars);
11929 break;
11930 default:
9380bb9e
YR
11931 if (!CHIP_IS_E3(bp)) {
11932 if (params->switch_cfg == SWITCH_CFG_10G)
11933 bnx2x_xgxs_deassert(params);
11934 else
11935 bnx2x_serdes_deassert(bp, params->port);
11936 }
de6eae1f
YR
11937 bnx2x_link_initialize(params, vars);
11938 msleep(30);
11939 bnx2x_link_int_enable(params);
9045f6b4 11940 break;
de6eae1f 11941 }
e10bc84d
YR
11942 return 0;
11943}
fcf5b650
YR
11944
11945int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
11946 u8 reset_ext_phy)
b7737c9b
YR
11947{
11948 struct bnx2x *bp = params->bp;
cf1d972c 11949 u8 phy_index, port = params->port, clear_latch_ind = 0;
de6eae1f
YR
11950 DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
11951 /* disable attentions */
11952 vars->link_status = 0;
11953 bnx2x_update_mng(params, vars->link_status);
11954 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
cd88ccee
YR
11955 (NIG_MASK_XGXS0_LINK_STATUS |
11956 NIG_MASK_XGXS0_LINK10G |
11957 NIG_MASK_SERDES0_LINK_STATUS |
11958 NIG_MASK_MI_INT));
b7737c9b 11959
de6eae1f
YR
11960 /* activate nig drain */
11961 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
b7737c9b 11962
de6eae1f 11963 /* disable nig egress interface */
9380bb9e
YR
11964 if (!CHIP_IS_E3(bp)) {
11965 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
11966 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
11967 }
b7737c9b 11968
de6eae1f 11969 /* Stop BigMac rx */
9380bb9e
YR
11970 if (!CHIP_IS_E3(bp))
11971 bnx2x_bmac_rx_disable(bp, port);
ce7c0489 11972 else {
9380bb9e 11973 bnx2x_xmac_disable(params);
ce7c0489
YR
11974 bnx2x_umac_disable(params);
11975 }
de6eae1f 11976 /* disable emac */
9380bb9e
YR
11977 if (!CHIP_IS_E3(bp))
11978 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
b7737c9b 11979
de6eae1f 11980 msleep(10);
25985edc 11981 /* The PHY reset is controlled by GPIO 1
de6eae1f
YR
11982 * Hold it as vars low
11983 */
11984 /* clear link led */
7f02c4ad
YR
11985 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
11986
de6eae1f 11987 if (reset_ext_phy) {
28f4881c 11988 bnx2x_set_mdio_clk(bp, params->chip_id, port);
de6eae1f
YR
11989 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
11990 phy_index++) {
28f4881c
YR
11991 if (params->phy[phy_index].link_reset) {
11992 bnx2x_set_aer_mmd(params,
11993 &params->phy[phy_index]);
de6eae1f
YR
11994 params->phy[phy_index].link_reset(
11995 &params->phy[phy_index],
11996 params);
28f4881c 11997 }
cf1d972c
YR
11998 if (params->phy[phy_index].flags &
11999 FLAGS_REARM_LATCH_SIGNAL)
12000 clear_latch_ind = 1;
b7737c9b 12001 }
b7737c9b
YR
12002 }
12003
cf1d972c
YR
12004 if (clear_latch_ind) {
12005 /* Clear latching indication */
12006 bnx2x_rearm_latch_signal(bp, port, 0);
12007 bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
12008 1 << NIG_LATCH_BC_ENABLE_MI_INT);
12009 }
de6eae1f
YR
12010 if (params->phy[INT_PHY].link_reset)
12011 params->phy[INT_PHY].link_reset(
12012 &params->phy[INT_PHY], params);
b7737c9b 12013
de6eae1f 12014 /* disable nig ingress interface */
9380bb9e 12015 if (!CHIP_IS_E3(bp)) {
ce7c0489
YR
12016 /* reset BigMac */
12017 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
12018 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
9380bb9e
YR
12019 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
12020 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
ce7c0489
YR
12021 } else {
12022 u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
12023 bnx2x_set_xumac_nig(params, 0, 0);
12024 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
12025 MISC_REGISTERS_RESET_REG_2_XMAC)
12026 REG_WR(bp, xmac_base + XMAC_REG_CTRL,
12027 XMAC_CTRL_REG_SOFT_RESET);
9380bb9e 12028 }
de6eae1f 12029 vars->link_up = 0;
3c9ada22 12030 vars->phy_flags = 0;
b7737c9b
YR
12031 return 0;
12032}
12033
de6eae1f
YR
12034/****************************************************************************/
12035/* Common function */
12036/****************************************************************************/
fcf5b650
YR
12037static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
12038 u32 shmem_base_path[],
12039 u32 shmem2_base_path[], u8 phy_index,
12040 u32 chip_id)
6bbca910 12041{
e10bc84d
YR
12042 struct bnx2x_phy phy[PORT_MAX];
12043 struct bnx2x_phy *phy_blk[PORT_MAX];
6bbca910 12044 u16 val;
c8e64df4 12045 s8 port = 0;
f2e0899f 12046 s8 port_of_path = 0;
c8e64df4
YR
12047 u32 swap_val, swap_override;
12048 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12049 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
12050 port ^= (swap_val && swap_override);
12051 bnx2x_ext_phy_hw_reset(bp, port);
6bbca910
YR
12052 /* PART1 - Reset both phys */
12053 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
f2e0899f
DK
12054 u32 shmem_base, shmem2_base;
12055 /* In E2, same phy is using for port0 of the two paths */
3c9ada22 12056 if (CHIP_IS_E1x(bp)) {
f2e0899f
DK
12057 shmem_base = shmem_base_path[0];
12058 shmem2_base = shmem2_base_path[0];
12059 port_of_path = port;
3c9ada22
YR
12060 } else {
12061 shmem_base = shmem_base_path[port];
12062 shmem2_base = shmem2_base_path[port];
12063 port_of_path = 0;
f2e0899f
DK
12064 }
12065
6bbca910 12066 /* Extract the ext phy address for the port */
a22f0788 12067 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
f2e0899f 12068 port_of_path, &phy[port]) !=
e10bc84d
YR
12069 0) {
12070 DP(NETIF_MSG_LINK, "populate_phy failed\n");
12071 return -EINVAL;
12072 }
6bbca910 12073 /* disable attentions */
6a71bbe0
YR
12074 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12075 port_of_path*4,
cd88ccee
YR
12076 (NIG_MASK_XGXS0_LINK_STATUS |
12077 NIG_MASK_XGXS0_LINK10G |
12078 NIG_MASK_SERDES0_LINK_STATUS |
12079 NIG_MASK_MI_INT));
6bbca910 12080
6bbca910
YR
12081 /* Need to take the phy out of low power mode in order
12082 to write to access its registers */
12083 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
cd88ccee
YR
12084 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12085 port);
6bbca910
YR
12086
12087 /* Reset the phy */
e10bc84d 12088 bnx2x_cl45_write(bp, &phy[port],
cd88ccee
YR
12089 MDIO_PMA_DEVAD,
12090 MDIO_PMA_REG_CTRL,
12091 1<<15);
6bbca910
YR
12092 }
12093
12094 /* Add delay of 150ms after reset */
12095 msleep(150);
12096
e10bc84d
YR
12097 if (phy[PORT_0].addr & 0x1) {
12098 phy_blk[PORT_0] = &(phy[PORT_1]);
12099 phy_blk[PORT_1] = &(phy[PORT_0]);
12100 } else {
12101 phy_blk[PORT_0] = &(phy[PORT_0]);
12102 phy_blk[PORT_1] = &(phy[PORT_1]);
12103 }
12104
6bbca910
YR
12105 /* PART2 - Download firmware to both phys */
12106 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
3c9ada22 12107 if (CHIP_IS_E1x(bp))
f2e0899f 12108 port_of_path = port;
3c9ada22
YR
12109 else
12110 port_of_path = 0;
6bbca910 12111
f2e0899f
DK
12112 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12113 phy_blk[port]->addr);
5c99274b
YR
12114 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12115 port_of_path))
6bbca910 12116 return -EINVAL;
6bbca910
YR
12117
12118 /* Only set bit 10 = 1 (Tx power down) */
e10bc84d 12119 bnx2x_cl45_read(bp, phy_blk[port],
cd88ccee
YR
12120 MDIO_PMA_DEVAD,
12121 MDIO_PMA_REG_TX_POWER_DOWN, &val);
6bbca910
YR
12122
12123 /* Phase1 of TX_POWER_DOWN reset */
e10bc84d 12124 bnx2x_cl45_write(bp, phy_blk[port],
cd88ccee
YR
12125 MDIO_PMA_DEVAD,
12126 MDIO_PMA_REG_TX_POWER_DOWN,
12127 (val | 1<<10));
6bbca910
YR
12128 }
12129
2cf7acf9
YR
12130 /*
12131 * Toggle Transmitter: Power down and then up with 600ms delay
12132 * between
12133 */
6bbca910
YR
12134 msleep(600);
12135
12136 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
12137 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
f5372251 12138 /* Phase2 of POWER_DOWN_RESET */
6bbca910 12139 /* Release bit 10 (Release Tx power down) */
e10bc84d 12140 bnx2x_cl45_read(bp, phy_blk[port],
cd88ccee
YR
12141 MDIO_PMA_DEVAD,
12142 MDIO_PMA_REG_TX_POWER_DOWN, &val);
6bbca910 12143
e10bc84d 12144 bnx2x_cl45_write(bp, phy_blk[port],
cd88ccee
YR
12145 MDIO_PMA_DEVAD,
12146 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
6bbca910
YR
12147 msleep(15);
12148
12149 /* Read modify write the SPI-ROM version select register */
e10bc84d 12150 bnx2x_cl45_read(bp, phy_blk[port],
cd88ccee
YR
12151 MDIO_PMA_DEVAD,
12152 MDIO_PMA_REG_EDC_FFE_MAIN, &val);
e10bc84d 12153 bnx2x_cl45_write(bp, phy_blk[port],
cd88ccee
YR
12154 MDIO_PMA_DEVAD,
12155 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
6bbca910
YR
12156
12157 /* set GPIO2 back to LOW */
12158 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
cd88ccee 12159 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
6bbca910
YR
12160 }
12161 return 0;
6bbca910 12162}
fcf5b650
YR
12163static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
12164 u32 shmem_base_path[],
12165 u32 shmem2_base_path[], u8 phy_index,
12166 u32 chip_id)
de6eae1f
YR
12167{
12168 u32 val;
12169 s8 port;
12170 struct bnx2x_phy phy;
12171 /* Use port1 because of the static port-swap */
12172 /* Enable the module detection interrupt */
12173 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
12174 val |= ((1<<MISC_REGISTERS_GPIO_3)|
12175 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
12176 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
12177
650154bf 12178 bnx2x_ext_phy_hw_reset(bp, 0);
de6eae1f
YR
12179 msleep(5);
12180 for (port = 0; port < PORT_MAX; port++) {
f2e0899f
DK
12181 u32 shmem_base, shmem2_base;
12182
12183 /* In E2, same phy is using for port0 of the two paths */
3c9ada22 12184 if (CHIP_IS_E1x(bp)) {
f2e0899f
DK
12185 shmem_base = shmem_base_path[0];
12186 shmem2_base = shmem2_base_path[0];
3c9ada22
YR
12187 } else {
12188 shmem_base = shmem_base_path[port];
12189 shmem2_base = shmem2_base_path[port];
f2e0899f 12190 }
de6eae1f 12191 /* Extract the ext phy address for the port */
a22f0788 12192 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
de6eae1f
YR
12193 port, &phy) !=
12194 0) {
12195 DP(NETIF_MSG_LINK, "populate phy failed\n");
12196 return -EINVAL;
12197 }
12198
12199 /* Reset phy*/
12200 bnx2x_cl45_write(bp, &phy,
12201 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
12202
12203
12204 /* Set fault module detected LED on */
12205 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
cd88ccee
YR
12206 MISC_REGISTERS_GPIO_HIGH,
12207 port);
de6eae1f
YR
12208 }
12209
12210 return 0;
12211}
a8db5b4c
YR
12212static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
12213 u8 *io_gpio, u8 *io_port)
12214{
12215
12216 u32 phy_gpio_reset = REG_RD(bp, shmem_base +
12217 offsetof(struct shmem_region,
12218 dev_info.port_hw_config[PORT_0].default_cfg));
12219 switch (phy_gpio_reset) {
12220 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
12221 *io_gpio = 0;
12222 *io_port = 0;
12223 break;
12224 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
12225 *io_gpio = 1;
12226 *io_port = 0;
12227 break;
12228 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
12229 *io_gpio = 2;
12230 *io_port = 0;
12231 break;
12232 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
12233 *io_gpio = 3;
12234 *io_port = 0;
12235 break;
12236 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
12237 *io_gpio = 0;
12238 *io_port = 1;
12239 break;
12240 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
12241 *io_gpio = 1;
12242 *io_port = 1;
12243 break;
12244 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
12245 *io_gpio = 2;
12246 *io_port = 1;
12247 break;
12248 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
12249 *io_gpio = 3;
12250 *io_port = 1;
12251 break;
12252 default:
12253 /* Don't override the io_gpio and io_port */
12254 break;
12255 }
12256}
fcf5b650
YR
12257
12258static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
12259 u32 shmem_base_path[],
12260 u32 shmem2_base_path[], u8 phy_index,
12261 u32 chip_id)
4d295db0 12262{
a8db5b4c 12263 s8 port, reset_gpio;
4d295db0 12264 u32 swap_val, swap_override;
e10bc84d
YR
12265 struct bnx2x_phy phy[PORT_MAX];
12266 struct bnx2x_phy *phy_blk[PORT_MAX];
f2e0899f 12267 s8 port_of_path;
cd88ccee
YR
12268 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12269 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
4d295db0 12270
a8db5b4c 12271 reset_gpio = MISC_REGISTERS_GPIO_1;
a22f0788 12272 port = 1;
4d295db0 12273
a8db5b4c
YR
12274 /*
12275 * Retrieve the reset gpio/port which control the reset.
12276 * Default is GPIO1, PORT1
12277 */
12278 bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
12279 (u8 *)&reset_gpio, (u8 *)&port);
a22f0788
YR
12280
12281 /* Calculate the port based on port swap */
12282 port ^= (swap_val && swap_override);
12283
a8db5b4c
YR
12284 /* Initiate PHY reset*/
12285 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
12286 port);
12287 msleep(1);
12288 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12289 port);
12290
a22f0788 12291 msleep(5);
bc7f0a05 12292
4d295db0 12293 /* PART1 - Reset both phys */
a22f0788 12294 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
f2e0899f
DK
12295 u32 shmem_base, shmem2_base;
12296
12297 /* In E2, same phy is using for port0 of the two paths */
3c9ada22 12298 if (CHIP_IS_E1x(bp)) {
f2e0899f
DK
12299 shmem_base = shmem_base_path[0];
12300 shmem2_base = shmem2_base_path[0];
12301 port_of_path = port;
3c9ada22
YR
12302 } else {
12303 shmem_base = shmem_base_path[port];
12304 shmem2_base = shmem2_base_path[port];
12305 port_of_path = 0;
f2e0899f
DK
12306 }
12307
4d295db0 12308 /* Extract the ext phy address for the port */
a22f0788 12309 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
f2e0899f 12310 port_of_path, &phy[port]) !=
e10bc84d
YR
12311 0) {
12312 DP(NETIF_MSG_LINK, "populate phy failed\n");
12313 return -EINVAL;
12314 }
4d295db0 12315 /* disable attentions */
f2e0899f
DK
12316 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12317 port_of_path*4,
12318 (NIG_MASK_XGXS0_LINK_STATUS |
12319 NIG_MASK_XGXS0_LINK10G |
12320 NIG_MASK_SERDES0_LINK_STATUS |
12321 NIG_MASK_MI_INT));
4d295db0 12322
4d295db0
EG
12323
12324 /* Reset the phy */
e10bc84d 12325 bnx2x_cl45_write(bp, &phy[port],
cd88ccee 12326 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
4d295db0
EG
12327 }
12328
12329 /* Add delay of 150ms after reset */
12330 msleep(150);
e10bc84d
YR
12331 if (phy[PORT_0].addr & 0x1) {
12332 phy_blk[PORT_0] = &(phy[PORT_1]);
12333 phy_blk[PORT_1] = &(phy[PORT_0]);
12334 } else {
12335 phy_blk[PORT_0] = &(phy[PORT_0]);
12336 phy_blk[PORT_1] = &(phy[PORT_1]);
12337 }
4d295db0 12338 /* PART2 - Download firmware to both phys */
e10bc84d 12339 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
3c9ada22 12340 if (CHIP_IS_E1x(bp))
f2e0899f 12341 port_of_path = port;
3c9ada22
YR
12342 else
12343 port_of_path = 0;
f2e0899f
DK
12344 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12345 phy_blk[port]->addr);
5c99274b
YR
12346 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12347 port_of_path))
4d295db0 12348 return -EINVAL;
85242eea
YR
12349 /* Disable PHY transmitter output */
12350 bnx2x_cl45_write(bp, phy_blk[port],
12351 MDIO_PMA_DEVAD,
12352 MDIO_PMA_REG_TX_DISABLE, 1);
4d295db0 12353
5c99274b 12354 }
4d295db0
EG
12355 return 0;
12356}
12357
521683da
YR
12358static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
12359 u32 shmem_base_path[],
12360 u32 shmem2_base_path[],
12361 u8 phy_index,
12362 u32 chip_id)
12363{
12364 u8 reset_gpios;
521683da
YR
12365 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
12366 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
12367 udelay(10);
12368 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
12369 DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
12370 reset_gpios);
11b2ec6b
YR
12371 return 0;
12372}
521683da 12373
11b2ec6b
YR
12374static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
12375 struct bnx2x_phy *phy)
12376{
12377 u16 val, cnt;
12378 /* Wait for FW completing its initialization. */
12379 for (cnt = 0; cnt < 1500; cnt++) {
12380 bnx2x_cl45_read(bp, phy,
521683da
YR
12381 MDIO_PMA_DEVAD,
12382 MDIO_PMA_REG_CTRL, &val);
11b2ec6b
YR
12383 if (!(val & (1<<15)))
12384 break;
12385 msleep(1);
12386 }
12387 if (cnt >= 1500) {
12388 DP(NETIF_MSG_LINK, "84833 reset timeout\n");
12389 return -EINVAL;
521683da
YR
12390 }
12391
11b2ec6b
YR
12392 /* Put the port in super isolate mode. */
12393 bnx2x_cl45_read(bp, phy,
12394 MDIO_CTL_DEVAD,
12395 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
12396 val |= MDIO_84833_SUPER_ISOLATE;
12397 bnx2x_cl45_write(bp, phy,
12398 MDIO_CTL_DEVAD,
12399 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
12400
12401 /* Save spirom version */
12402 bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
521683da
YR
12403 return 0;
12404}
12405
11b2ec6b
YR
12406int bnx2x_pre_init_phy(struct bnx2x *bp,
12407 u32 shmem_base,
12408 u32 shmem2_base,
12409 u32 chip_id)
12410{
12411 int rc = 0;
12412 struct bnx2x_phy phy;
12413 bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
12414 if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
12415 PORT_0, &phy)) {
12416 DP(NETIF_MSG_LINK, "populate_phy failed\n");
12417 return -EINVAL;
12418 }
12419 switch (phy.type) {
12420 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12421 rc = bnx2x_84833_pre_init_phy(bp, &phy);
12422 break;
12423 default:
12424 break;
12425 }
12426 return rc;
12427}
521683da 12428
fcf5b650
YR
12429static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
12430 u32 shmem2_base_path[], u8 phy_index,
12431 u32 ext_phy_type, u32 chip_id)
6bbca910 12432{
fcf5b650 12433 int rc = 0;
6bbca910
YR
12434
12435 switch (ext_phy_type) {
12436 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
f2e0899f
DK
12437 rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
12438 shmem2_base_path,
12439 phy_index, chip_id);
6bbca910 12440 break;
e4d78f12 12441 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
4d295db0
EG
12442 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
12443 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
f2e0899f
DK
12444 rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
12445 shmem2_base_path,
12446 phy_index, chip_id);
4d295db0
EG
12447 break;
12448
589abe3a 12449 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
2cf7acf9
YR
12450 /*
12451 * GPIO1 affects both ports, so there's need to pull
12452 * it for single port alone
12453 */
f2e0899f
DK
12454 rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
12455 shmem2_base_path,
12456 phy_index, chip_id);
a22f0788 12457 break;
0d40f0d4
YR
12458 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12459 /*
12460 * GPIO3's are linked, and so both need to be toggled
12461 * to obtain required 2us pulse.
12462 */
521683da
YR
12463 rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
12464 shmem2_base_path,
12465 phy_index, chip_id);
0d40f0d4 12466 break;
a22f0788
YR
12467 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
12468 rc = -EINVAL;
4f60dab1 12469 break;
6bbca910
YR
12470 default:
12471 DP(NETIF_MSG_LINK,
2cf7acf9
YR
12472 "ext_phy 0x%x common init not required\n",
12473 ext_phy_type);
6bbca910
YR
12474 break;
12475 }
12476
6d870c39
YR
12477 if (rc != 0)
12478 netdev_err(bp->dev, "Warning: PHY was not initialized,"
12479 " Port %d\n",
12480 0);
6bbca910
YR
12481 return rc;
12482}
12483
fcf5b650
YR
12484int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
12485 u32 shmem2_base_path[], u32 chip_id)
a22f0788 12486{
fcf5b650 12487 int rc = 0;
3c9ada22
YR
12488 u32 phy_ver, val;
12489 u8 phy_index = 0;
a22f0788 12490 u32 ext_phy_type, ext_phy_config;
a198c142
YR
12491 bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
12492 bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
a22f0788 12493 DP(NETIF_MSG_LINK, "Begin common phy init\n");
3c9ada22
YR
12494 if (CHIP_IS_E3(bp)) {
12495 /* Enable EPIO */
12496 val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
12497 REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
12498 }
b21a3424
YR
12499 /* Check if common init was already done */
12500 phy_ver = REG_RD(bp, shmem_base_path[0] +
12501 offsetof(struct shmem_region,
12502 port_mb[PORT_0].ext_phy_fw_version));
12503 if (phy_ver) {
12504 DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
12505 phy_ver);
12506 return 0;
12507 }
12508
a22f0788
YR
12509 /* Read the ext_phy_type for arbitrary port(0) */
12510 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
12511 phy_index++) {
12512 ext_phy_config = bnx2x_get_ext_phy_config(bp,
f2e0899f 12513 shmem_base_path[0],
a22f0788
YR
12514 phy_index, 0);
12515 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
f2e0899f
DK
12516 rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
12517 shmem2_base_path,
12518 phy_index, ext_phy_type,
12519 chip_id);
a22f0788
YR
12520 }
12521 return rc;
12522}
d90d96ba 12523
3deb8167
YR
12524static void bnx2x_check_over_curr(struct link_params *params,
12525 struct link_vars *vars)
12526{
12527 struct bnx2x *bp = params->bp;
12528 u32 cfg_pin;
12529 u8 port = params->port;
12530 u32 pin_val;
12531
12532 cfg_pin = (REG_RD(bp, params->shmem_base +
12533 offsetof(struct shmem_region,
12534 dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
12535 PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
12536 PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
12537
12538 /* Ignore check if no external input PIN available */
12539 if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
12540 return;
12541
12542 if (!pin_val) {
12543 if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
12544 netdev_err(bp->dev, "Error: Power fault on Port %d has"
12545 " been detected and the power to "
12546 "that SFP+ module has been removed"
12547 " to prevent failure of the card."
12548 " Please remove the SFP+ module and"
12549 " restart the system to clear this"
12550 " error.\n",
12551 params->port);
12552 vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
12553 }
12554 } else
12555 vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
12556}
12557
12558static void bnx2x_analyze_link_error(struct link_params *params,
12559 struct link_vars *vars, u32 lss_status)
12560{
12561 struct bnx2x *bp = params->bp;
12562 /* Compare new value with previous value */
12563 u8 led_mode;
12564 u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
12565
3deb8167
YR
12566 if ((lss_status ^ half_open_conn) == 0)
12567 return;
12568
12569 /* If values differ */
12570 DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
12571 half_open_conn, lss_status);
12572
12573 /*
12574 * a. Update shmem->link_status accordingly
12575 * b. Update link_vars->link_up
12576 */
12577 if (lss_status) {
de6f3377 12578 DP(NETIF_MSG_LINK, "Remote Fault detected !!!\n");
3deb8167
YR
12579 vars->link_status &= ~LINK_STATUS_LINK_UP;
12580 vars->link_up = 0;
12581 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
12582 /*
12583 * Set LED mode to off since the PHY doesn't know about these
12584 * errors
12585 */
12586 led_mode = LED_MODE_OFF;
12587 } else {
de6f3377 12588 DP(NETIF_MSG_LINK, "Remote Fault cleared\n");
3deb8167
YR
12589 vars->link_status |= LINK_STATUS_LINK_UP;
12590 vars->link_up = 1;
12591 vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
12592 led_mode = LED_MODE_OPER;
12593 }
12594 /* Update the LED according to the link state */
12595 bnx2x_set_led(params, vars, led_mode, SPEED_10000);
12596
12597 /* Update link status in the shared memory */
12598 bnx2x_update_mng(params, vars->link_status);
12599
12600 /* C. Trigger General Attention */
12601 vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
12602 bnx2x_notify_link_changed(bp);
12603}
12604
de6f3377
YR
12605/******************************************************************************
12606* Description:
12607* This function checks for half opened connection change indication.
12608* When such change occurs, it calls the bnx2x_analyze_link_error
12609* to check if Remote Fault is set or cleared. Reception of remote fault
12610* status message in the MAC indicates that the peer's MAC has detected
12611* a fault, for example, due to break in the TX side of fiber.
12612*
12613******************************************************************************/
3deb8167
YR
12614static void bnx2x_check_half_open_conn(struct link_params *params,
12615 struct link_vars *vars)
12616{
12617 struct bnx2x *bp = params->bp;
12618 u32 lss_status = 0;
12619 u32 mac_base;
12620 /* In case link status is physically up @ 10G do */
12621 if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
12622 return;
12623
de6f3377 12624 if (CHIP_IS_E3(bp) &&
3deb8167 12625 (REG_RD(bp, MISC_REG_RESET_REG_2) &
de6f3377
YR
12626 (MISC_REGISTERS_RESET_REG_2_XMAC))) {
12627 /* Check E3 XMAC */
12628 /*
12629 * Note that link speed cannot be queried here, since it may be
12630 * zero while link is down. In case UMAC is active, LSS will
12631 * simply not be set
12632 */
12633 mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
12634
12635 /* Clear stick bits (Requires rising edge) */
12636 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
12637 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
12638 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
12639 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
12640 if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
12641 lss_status = 1;
12642
12643 bnx2x_analyze_link_error(params, vars, lss_status);
12644 } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
12645 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
3deb8167
YR
12646 /* Check E1X / E2 BMAC */
12647 u32 lss_status_reg;
12648 u32 wb_data[2];
12649 mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
12650 NIG_REG_INGRESS_BMAC0_MEM;
12651 /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
12652 if (CHIP_IS_E2(bp))
12653 lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
12654 else
12655 lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
12656
12657 REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
12658 lss_status = (wb_data[0] > 0);
12659
12660 bnx2x_analyze_link_error(params, vars, lss_status);
12661 }
12662}
12663
12664void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
12665{
12666 struct bnx2x *bp = params->bp;
de6f3377 12667 u16 phy_idx;
de6f3377
YR
12668 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
12669 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
12670 bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
12671 bnx2x_check_half_open_conn(params, vars);
12672 break;
12673 }
12674 }
12675
a9077bfd
YR
12676 if (CHIP_IS_E3(bp)) {
12677 struct bnx2x_phy *phy = &params->phy[INT_PHY];
12678 bnx2x_set_aer_mmd(params, phy);
3deb8167 12679 bnx2x_check_over_curr(params, vars);
a9077bfd
YR
12680 bnx2x_warpcore_config_runtime(phy, params, vars);
12681 }
12682
3deb8167
YR
12683}
12684
a22f0788 12685u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
d90d96ba
YR
12686{
12687 u8 phy_index;
12688 struct bnx2x_phy phy;
12689 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12690 phy_index++) {
a22f0788 12691 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
d90d96ba
YR
12692 0, &phy) != 0) {
12693 DP(NETIF_MSG_LINK, "populate phy failed\n");
12694 return 0;
12695 }
12696
12697 if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
12698 return 1;
12699 }
12700 return 0;
12701}
12702
12703u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
12704 u32 shmem_base,
a22f0788 12705 u32 shmem2_base,
d90d96ba
YR
12706 u8 port)
12707{
12708 u8 phy_index, fan_failure_det_req = 0;
12709 struct bnx2x_phy phy;
12710 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
12711 phy_index++) {
a22f0788 12712 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
d90d96ba
YR
12713 port, &phy)
12714 != 0) {
12715 DP(NETIF_MSG_LINK, "populate phy failed\n");
12716 return 0;
12717 }
12718 fan_failure_det_req |= (phy.flags &
12719 FLAGS_FAN_FAILURE_DET_REQ);
12720 }
12721 return fan_failure_det_req;
12722}
12723
12724void bnx2x_hw_reset_phy(struct link_params *params)
12725{
12726 u8 phy_index;
985848f8
YR
12727 struct bnx2x *bp = params->bp;
12728 bnx2x_update_mng(params, 0);
12729 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
12730 (NIG_MASK_XGXS0_LINK_STATUS |
12731 NIG_MASK_XGXS0_LINK10G |
12732 NIG_MASK_SERDES0_LINK_STATUS |
12733 NIG_MASK_MI_INT));
12734
12735 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
d90d96ba
YR
12736 phy_index++) {
12737 if (params->phy[phy_index].hw_reset) {
12738 params->phy[phy_index].hw_reset(
12739 &params->phy[phy_index],
12740 params);
12741 params->phy[phy_index] = phy_null;
12742 }
12743 }
12744}
020c7e3f
YR
12745
12746void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
12747 u32 chip_id, u32 shmem_base, u32 shmem2_base,
12748 u8 port)
12749{
12750 u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
12751 u32 val;
12752 u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
3c9ada22
YR
12753 if (CHIP_IS_E3(bp)) {
12754 if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
12755 shmem_base,
12756 port,
12757 &gpio_num,
12758 &gpio_port) != 0)
12759 return;
12760 } else {
020c7e3f
YR
12761 struct bnx2x_phy phy;
12762 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
12763 phy_index++) {
12764 if (bnx2x_populate_phy(bp, phy_index, shmem_base,
12765 shmem2_base, port, &phy)
12766 != 0) {
12767 DP(NETIF_MSG_LINK, "populate phy failed\n");
12768 return;
12769 }
12770 if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
12771 gpio_num = MISC_REGISTERS_GPIO_3;
12772 gpio_port = port;
12773 break;
12774 }
12775 }
12776 }
12777
12778 if (gpio_num == 0xff)
12779 return;
12780
12781 /* Set GPIO3 to trigger SFP+ module insertion/removal */
12782 bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
12783
12784 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12785 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
12786 gpio_port ^= (swap_val && swap_override);
12787
12788 vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
12789 (gpio_num + (gpio_port << 2));
12790
12791 sync_offset = shmem_base +
12792 offsetof(struct shmem_region,
12793 dev_info.port_hw_config[port].aeu_int_mask);
12794 REG_WR(bp, sync_offset, vars->aeu_int_mask);
12795
12796 DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
12797 gpio_num, gpio_port, vars->aeu_int_mask);
12798
12799 if (port == 0)
12800 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
12801 else
12802 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
12803
12804 /* Open appropriate AEU for interrupts */
12805 aeu_mask = REG_RD(bp, offset);
12806 aeu_mask |= vars->aeu_int_mask;
12807 REG_WR(bp, offset, aeu_mask);
12808
12809 /* Enable the GPIO to trigger interrupt */
12810 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
12811 val |= 1 << (gpio_num + (gpio_port << 2));
12812 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
12813}