bnx2x: link code refactoring
[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
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38#define WC_LANE_MAX 4
39#define I2C_SWITCH_WIDTH 2
40#define I2C_BSC0 0
41#define I2C_BSC1 1
42#define I2C_WA_RETRY_CNT 3
50a29845 43#define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1)
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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
589abe3a 142#define SFP_EEPROM_CON_TYPE_ADDR 0x2
cd88ccee 143 #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
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144 #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
145
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146
147#define SFP_EEPROM_COMP_CODE_ADDR 0x3
148 #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
149 #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
150 #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
151
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152#define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
153 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
cd88ccee 154 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
4d295db0 155
cd88ccee 156#define SFP_EEPROM_OPTIONS_ADDR 0x40
589abe3a 157 #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
cd88ccee 158#define SFP_EEPROM_OPTIONS_SIZE 2
589abe3a 159
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160#define EDC_MODE_LINEAR 0x0022
161#define EDC_MODE_LIMITING 0x0044
162#define EDC_MODE_PASSIVE_DAC 0x0055
4d295db0 163
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164/* BRB default for class 0 E2 */
165#define DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR 170
166#define DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR 250
167#define DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR 10
168#define DEFAULT0_E2_BRB_MAC_FULL_XON_THR 50
4d295db0 169
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170/* BRB thresholds for E2*/
171#define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
172#define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
173
174#define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
175#define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
176
177#define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
178#define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
179
180#define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
181#define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
182
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183/* BRB default for class 0 E3A0 */
184#define DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR 290
185#define DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR 410
186#define DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR 10
187#define DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR 50
188
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189/* BRB thresholds for E3A0 */
190#define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
191#define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
192
193#define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
194#define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
195
196#define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
197#define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
198
199#define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
200#define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
201
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202/* BRB default for E3B0 */
203#define DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR 330
204#define DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR 490
205#define DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR 15
206#define DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR 55
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207
208/* BRB thresholds for E3B0 2 port mode*/
209#define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
210#define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
211
212#define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
213#define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
214
215#define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
216#define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
217
218#define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
219#define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
220
221/* only for E3B0*/
222#define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
223#define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
224
225/* Lossy +Lossless GUARANTIED == GUART */
226#define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
227/* Lossless +Lossless*/
228#define PFC_E3B0_2P_PAUSE_LB_GUART 236
229/* Lossy +Lossy*/
230#define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
231
232/* Lossy +Lossless*/
233#define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
234/* Lossless +Lossless*/
235#define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
236/* Lossy +Lossy*/
237#define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
238#define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
239
240#define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
241#define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
242
243/* BRB thresholds for E3B0 4 port mode */
244#define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
245#define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
246
247#define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
248#define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
249
250#define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
251#define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
252
253#define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
254#define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
255
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256/* only for E3B0*/
257#define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
258#define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
2f751a80 259#define PFC_E3B0_4P_LB_GUART 120
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260
261#define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
2f751a80 262#define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
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263
264#define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
2f751a80 265#define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
9380bb9e 266
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267/* Pause defines*/
268#define DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR 330
269#define DEFAULT_E3B0_BRB_FULL_LB_XON_THR 490
270#define DEFAULT_E3B0_LB_GUART 40
271
272#define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART 40
273#define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST 0
274
275#define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART 40
276#define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST 0
277
278/* ETS defines*/
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279#define DCBX_INVALID_COS (0xFF)
280
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281#define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
282#define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
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283#define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
284#define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
285#define ETS_E3B0_PBF_MIN_W_VAL (10000)
286
287#define MAX_PACKET_SIZE (9700)
a9077bfd 288#define MAX_KR_LINK_RETRY 4
9380bb9e 289
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290/**********************************************************/
291/* INTERFACE */
292/**********************************************************/
e10bc84d 293
cd2be89b 294#define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
e10bc84d 295 bnx2x_cl45_write(_bp, _phy, \
7aa0711f 296 (_phy)->def_md_devad, \
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297 (_bank + (_addr & 0xf)), \
298 _val)
299
cd2be89b 300#define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
e10bc84d 301 bnx2x_cl45_read(_bp, _phy, \
7aa0711f 302 (_phy)->def_md_devad, \
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303 (_bank + (_addr & 0xf)), \
304 _val)
305
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306static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
307{
308 u32 val = REG_RD(bp, reg);
309
310 val |= bits;
311 REG_WR(bp, reg, val);
312 return val;
313}
314
315static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
316{
317 u32 val = REG_RD(bp, reg);
318
319 val &= ~bits;
320 REG_WR(bp, reg, val);
321 return val;
322}
323
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324/******************************************************************/
325/* EPIO/GPIO section */
326/******************************************************************/
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327static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
328{
329 u32 epio_mask, gp_oenable;
330 *en = 0;
331 /* Sanity check */
332 if (epio_pin > 31) {
333 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
334 return;
335 }
336
337 epio_mask = 1 << epio_pin;
338 /* Set this EPIO to output */
339 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
340 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
341
342 *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
343}
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344static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
345{
346 u32 epio_mask, gp_output, gp_oenable;
347
348 /* Sanity check */
349 if (epio_pin > 31) {
350 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
351 return;
352 }
353 DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
354 epio_mask = 1 << epio_pin;
355 /* Set this EPIO to output */
356 gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
357 if (en)
358 gp_output |= epio_mask;
359 else
360 gp_output &= ~epio_mask;
361
362 REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
363
364 /* Set the value for this EPIO */
365 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
366 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
367}
368
369static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
370{
371 if (pin_cfg == PIN_CFG_NA)
372 return;
373 if (pin_cfg >= PIN_CFG_EPIO0) {
374 bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
375 } else {
376 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
377 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
378 bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
379 }
380}
381
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382static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
383{
384 if (pin_cfg == PIN_CFG_NA)
385 return -EINVAL;
386 if (pin_cfg >= PIN_CFG_EPIO0) {
387 bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
388 } else {
389 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
390 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
391 *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
392 }
393 return 0;
394
395}
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396/******************************************************************/
397/* ETS section */
398/******************************************************************/
6c3218c6 399static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
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400{
401 /* ETS disabled configuration*/
402 struct bnx2x *bp = params->bp;
403
6c3218c6 404 DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
bcab15c5 405
8f73f0b9 406 /* mapping between entry priority to client number (0,1,2 -debug and
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407 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
408 * 3bits client num.
409 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
410 * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
411 */
412
413 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
8f73f0b9 414 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
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415 * as strict. Bits 0,1,2 - debug and management entries, 3 -
416 * COS0 entry, 4 - COS1 entry.
417 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
418 * bit4 bit3 bit2 bit1 bit0
419 * MCP and debug are strict
420 */
421
422 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
423 /* defines which entries (clients) are subjected to WFQ arbitration */
424 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
8f73f0b9 425 /* For strict priority entries defines the number of consecutive
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426 * slots for the highest priority.
427 */
bcab15c5 428 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
8f73f0b9 429 /* mapping between the CREDIT_WEIGHT registers and actual client
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430 * numbers
431 */
432 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
433 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
434 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
435
436 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
437 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
438 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
439 /* ETS mode disable */
440 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
8f73f0b9 441 /* If ETS mode is enabled (there is no strict priority) defines a WFQ
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442 * weight for COS0/COS1.
443 */
444 REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
445 REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
446 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
447 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
448 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
449 /* Defines the number of consecutive slots for the strict priority */
450 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
451}
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452/******************************************************************************
453* Description:
454* Getting min_w_val will be set according to line speed .
455*.
456******************************************************************************/
457static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
458{
459 u32 min_w_val = 0;
460 /* Calculate min_w_val.*/
461 if (vars->link_up) {
de0396f4 462 if (vars->line_speed == SPEED_20000)
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463 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
464 else
465 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
466 } else
467 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
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468 /* If the link isn't up (static configuration for example ) The
469 * link will be according to 20GBPS.
470 */
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471 return min_w_val;
472}
473/******************************************************************************
474* Description:
475* Getting credit upper bound form min_w_val.
476*.
477******************************************************************************/
478static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
479{
480 const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
481 MAX_PACKET_SIZE);
482 return credit_upper_bound;
483}
484/******************************************************************************
485* Description:
486* Set credit upper bound for NIG.
487*.
488******************************************************************************/
489static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
490 const struct link_params *params,
491 const u32 min_w_val)
492{
493 struct bnx2x *bp = params->bp;
494 const u8 port = params->port;
495 const u32 credit_upper_bound =
496 bnx2x_ets_get_credit_upper_bound(min_w_val);
497
498 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
499 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
500 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
501 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
502 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
503 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
504 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
505 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
506 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
507 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
508 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
509 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
510
de0396f4 511 if (!port) {
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512 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
513 credit_upper_bound);
514 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
515 credit_upper_bound);
516 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
517 credit_upper_bound);
518 }
519}
520/******************************************************************************
521* Description:
522* Will return the NIG ETS registers to init values.Except
523* credit_upper_bound.
524* That isn't used in this configuration (No WFQ is enabled) and will be
525* configured acording to spec
526*.
527******************************************************************************/
528static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
529 const struct link_vars *vars)
530{
531 struct bnx2x *bp = params->bp;
532 const u8 port = params->port;
533 const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
8f73f0b9 534 /* Mapping between entry priority to client number (0,1,2 -debug and
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535 * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
536 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
537 * reset value or init tool
538 */
539 if (port) {
540 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
541 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
542 } else {
543 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
544 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
545 }
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546 /* For strict priority entries defines the number of consecutive
547 * slots for the highest priority.
548 */
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549 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
550 NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
8f73f0b9 551 /* Mapping between the CREDIT_WEIGHT registers and actual client
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552 * numbers
553 */
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554 if (port) {
555 /*Port 1 has 6 COS*/
556 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
557 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
558 } else {
559 /*Port 0 has 9 COS*/
560 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
561 0x43210876);
562 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
563 }
564
8f73f0b9 565 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
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566 * as strict. Bits 0,1,2 - debug and management entries, 3 -
567 * COS0 entry, 4 - COS1 entry.
568 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
569 * bit4 bit3 bit2 bit1 bit0
570 * MCP and debug are strict
571 */
572 if (port)
573 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
574 else
575 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
576 /* defines which entries (clients) are subjected to WFQ arbitration */
577 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
578 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
579
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580 /* Please notice the register address are note continuous and a
581 * for here is note appropriate.In 2 port mode port0 only COS0-5
582 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
583 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
584 * are never used for WFQ
585 */
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586 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
587 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
588 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
589 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
590 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
591 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
592 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
593 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
594 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
595 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
596 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
597 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
de0396f4 598 if (!port) {
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599 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
600 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
601 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
602 }
603
604 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
605}
606/******************************************************************************
607* Description:
608* Set credit upper bound for PBF.
609*.
610******************************************************************************/
611static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
612 const struct link_params *params,
613 const u32 min_w_val)
614{
615 struct bnx2x *bp = params->bp;
616 const u32 credit_upper_bound =
617 bnx2x_ets_get_credit_upper_bound(min_w_val);
618 const u8 port = params->port;
619 u32 base_upper_bound = 0;
620 u8 max_cos = 0;
621 u8 i = 0;
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622 /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
623 * port mode port1 has COS0-2 that can be used for WFQ.
624 */
de0396f4 625 if (!port) {
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626 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
627 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
628 } else {
629 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
630 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
631 }
632
633 for (i = 0; i < max_cos; i++)
634 REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
635}
636
637/******************************************************************************
638* Description:
639* Will return the PBF ETS registers to init values.Except
640* credit_upper_bound.
641* That isn't used in this configuration (No WFQ is enabled) and will be
642* configured acording to spec
643*.
644******************************************************************************/
645static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
646{
647 struct bnx2x *bp = params->bp;
648 const u8 port = params->port;
649 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
650 u8 i = 0;
651 u32 base_weight = 0;
652 u8 max_cos = 0;
653
8f73f0b9 654 /* Mapping between entry priority to client number 0 - COS0
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655 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
656 * TODO_ETS - Should be done by reset value or init tool
657 */
658 if (port)
659 /* 0x688 (|011|0 10|00 1|000) */
660 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
661 else
662 /* (10 1|100 |011|0 10|00 1|000) */
663 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
664
665 /* TODO_ETS - Should be done by reset value or init tool */
666 if (port)
667 /* 0x688 (|011|0 10|00 1|000)*/
668 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
669 else
670 /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
671 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
672
673 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
674 PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
675
676
677 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
678 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
679
680 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
681 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
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682 /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
683 * In 4 port mode port1 has COS0-2 that can be used for WFQ.
684 */
de0396f4 685 if (!port) {
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686 base_weight = PBF_REG_COS0_WEIGHT_P0;
687 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
688 } else {
689 base_weight = PBF_REG_COS0_WEIGHT_P1;
690 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
691 }
692
693 for (i = 0; i < max_cos; i++)
694 REG_WR(bp, base_weight + (0x4 * i), 0);
695
696 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
697}
698/******************************************************************************
699* Description:
700* E3B0 disable will return basicly the values to init values.
701*.
702******************************************************************************/
703static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
704 const struct link_vars *vars)
705{
706 struct bnx2x *bp = params->bp;
707
708 if (!CHIP_IS_E3B0(bp)) {
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709 DP(NETIF_MSG_LINK,
710 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
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711 return -EINVAL;
712 }
713
714 bnx2x_ets_e3b0_nig_disabled(params, vars);
715
716 bnx2x_ets_e3b0_pbf_disabled(params);
717
718 return 0;
719}
720
721/******************************************************************************
722* Description:
723* Disable will return basicly the values to init values.
8f73f0b9 724*
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725******************************************************************************/
726int bnx2x_ets_disabled(struct link_params *params,
727 struct link_vars *vars)
728{
729 struct bnx2x *bp = params->bp;
730 int bnx2x_status = 0;
731
732 if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
733 bnx2x_ets_e2e3a0_disabled(params);
734 else if (CHIP_IS_E3B0(bp))
735 bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
736 else {
737 DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
738 return -EINVAL;
739 }
740
741 return bnx2x_status;
742}
743
744/******************************************************************************
745* Description
746* Set the COS mappimg to SP and BW until this point all the COS are not
747* set as SP or BW.
748******************************************************************************/
749static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
750 const struct bnx2x_ets_params *ets_params,
751 const u8 cos_sp_bitmap,
752 const u8 cos_bw_bitmap)
753{
754 struct bnx2x *bp = params->bp;
755 const u8 port = params->port;
756 const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
757 const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
758 const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
759 const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
760
761 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
762 NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
763
764 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
765 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
bcab15c5 766
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767 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
768 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
769 nig_cli_subject2wfq_bitmap);
770
771 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
772 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
773 pbf_cli_subject2wfq_bitmap);
774
775 return 0;
776}
777
778/******************************************************************************
779* Description:
780* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
781* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
782******************************************************************************/
783static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
784 const u8 cos_entry,
785 const u32 min_w_val_nig,
786 const u32 min_w_val_pbf,
787 const u16 total_bw,
788 const u8 bw,
789 const u8 port)
790{
791 u32 nig_reg_adress_crd_weight = 0;
792 u32 pbf_reg_adress_crd_weight = 0;
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793 /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
794 const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
795 const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
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796
797 switch (cos_entry) {
798 case 0:
799 nig_reg_adress_crd_weight =
800 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
801 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
802 pbf_reg_adress_crd_weight = (port) ?
803 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
804 break;
805 case 1:
806 nig_reg_adress_crd_weight = (port) ?
807 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
808 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
809 pbf_reg_adress_crd_weight = (port) ?
810 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
811 break;
812 case 2:
813 nig_reg_adress_crd_weight = (port) ?
814 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
815 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
816
817 pbf_reg_adress_crd_weight = (port) ?
818 PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
819 break;
820 case 3:
821 if (port)
822 return -EINVAL;
823 nig_reg_adress_crd_weight =
824 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
825 pbf_reg_adress_crd_weight =
826 PBF_REG_COS3_WEIGHT_P0;
827 break;
828 case 4:
829 if (port)
830 return -EINVAL;
831 nig_reg_adress_crd_weight =
832 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
833 pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
834 break;
835 case 5:
836 if (port)
837 return -EINVAL;
838 nig_reg_adress_crd_weight =
839 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
840 pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
841 break;
842 }
843
844 REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
845
846 REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
847
848 return 0;
849}
850/******************************************************************************
851* Description:
852* Calculate the total BW.A value of 0 isn't legal.
8f73f0b9 853*
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854******************************************************************************/
855static int bnx2x_ets_e3b0_get_total_bw(
856 const struct link_params *params,
870516e1 857 struct bnx2x_ets_params *ets_params,
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858 u16 *total_bw)
859{
860 struct bnx2x *bp = params->bp;
861 u8 cos_idx = 0;
870516e1 862 u8 is_bw_cos_exist = 0;
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863
864 *total_bw = 0 ;
865 /* Calculate total BW requested */
866 for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
de0396f4 867 if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
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868 is_bw_cos_exist = 1;
869 if (!ets_params->cos[cos_idx].params.bw_params.bw) {
870 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
871 "was set to 0\n");
8f73f0b9 872 /* This is to prevent a state when ramrods
870516e1 873 * can't be sent
8f73f0b9 874 */
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875 ets_params->cos[cos_idx].params.bw_params.bw
876 = 1;
877 }
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878 *total_bw +=
879 ets_params->cos[cos_idx].params.bw_params.bw;
6c3218c6 880 }
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881 }
882
c482e6c0 883 /* Check total BW is valid */
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884 if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
885 if (*total_bw == 0) {
94f05b0f 886 DP(NETIF_MSG_LINK,
2f751a80 887 "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
6c3218c6
YR
888 return -EINVAL;
889 }
94f05b0f 890 DP(NETIF_MSG_LINK,
2f751a80 891 "bnx2x_ets_E3B0_config total BW should be 100\n");
8f73f0b9 892 /* We can handle a case whre the BW isn't 100 this can happen
2f751a80
YR
893 * if the TC are joined.
894 */
6c3218c6
YR
895 }
896 return 0;
897}
898
899/******************************************************************************
900* Description:
901* Invalidate all the sp_pri_to_cos.
8f73f0b9 902*
6c3218c6
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903******************************************************************************/
904static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
905{
906 u8 pri = 0;
907 for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
908 sp_pri_to_cos[pri] = DCBX_INVALID_COS;
909}
910/******************************************************************************
911* Description:
912* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
913* according to sp_pri_to_cos.
8f73f0b9 914*
6c3218c6
YR
915******************************************************************************/
916static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
917 u8 *sp_pri_to_cos, const u8 pri,
918 const u8 cos_entry)
919{
920 struct bnx2x *bp = params->bp;
921 const u8 port = params->port;
922 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
923 DCBX_E3B0_MAX_NUM_COS_PORT0;
924
7e5998aa
DC
925 if (pri >= max_num_of_cos) {
926 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
927 "parameter Illegal strict priority\n");
928 return -EINVAL;
929 }
930
de0396f4 931 if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
6c3218c6 932 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
94f05b0f 933 "parameter There can't be two COS's with "
6c3218c6
YR
934 "the same strict pri\n");
935 return -EINVAL;
936 }
937
6c3218c6
YR
938 sp_pri_to_cos[pri] = cos_entry;
939 return 0;
940
941}
942
943/******************************************************************************
944* Description:
945* Returns the correct value according to COS and priority in
946* the sp_pri_cli register.
8f73f0b9 947*
6c3218c6
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948******************************************************************************/
949static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
950 const u8 pri_set,
951 const u8 pri_offset,
952 const u8 entry_size)
953{
954 u64 pri_cli_nig = 0;
955 pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
956 (pri_set + pri_offset));
957
958 return pri_cli_nig;
959}
960/******************************************************************************
961* Description:
962* Returns the correct value according to COS and priority in the
963* sp_pri_cli register for NIG.
8f73f0b9 964*
6c3218c6
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965******************************************************************************/
966static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
967{
968 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
969 const u8 nig_cos_offset = 3;
970 const u8 nig_pri_offset = 3;
971
972 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
973 nig_pri_offset, 4);
974
975}
976/******************************************************************************
977* Description:
978* Returns the correct value according to COS and priority in the
979* sp_pri_cli register for PBF.
8f73f0b9 980*
6c3218c6
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981******************************************************************************/
982static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
983{
984 const u8 pbf_cos_offset = 0;
985 const u8 pbf_pri_offset = 0;
986
987 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
988 pbf_pri_offset, 3);
989
990}
991
992/******************************************************************************
993* Description:
994* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
995* according to sp_pri_to_cos.(which COS has higher priority)
8f73f0b9 996*
6c3218c6
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997******************************************************************************/
998static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
999 u8 *sp_pri_to_cos)
1000{
1001 struct bnx2x *bp = params->bp;
1002 u8 i = 0;
1003 const u8 port = params->port;
1004 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
1005 u64 pri_cli_nig = 0x210;
1006 u32 pri_cli_pbf = 0x0;
1007 u8 pri_set = 0;
1008 u8 pri_bitmask = 0;
1009 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1010 DCBX_E3B0_MAX_NUM_COS_PORT0;
1011
1012 u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
1013
1014 /* Set all the strict priority first */
1015 for (i = 0; i < max_num_of_cos; i++) {
de0396f4
YR
1016 if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
1017 if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
6c3218c6
YR
1018 DP(NETIF_MSG_LINK,
1019 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1020 "invalid cos entry\n");
1021 return -EINVAL;
1022 }
1023
1024 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1025 sp_pri_to_cos[i], pri_set);
1026
1027 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1028 sp_pri_to_cos[i], pri_set);
1029 pri_bitmask = 1 << sp_pri_to_cos[i];
1030 /* COS is used remove it from bitmap.*/
de0396f4 1031 if (!(pri_bitmask & cos_bit_to_set)) {
6c3218c6
YR
1032 DP(NETIF_MSG_LINK,
1033 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1034 "invalid There can't be two COS's with"
1035 " the same strict pri\n");
1036 return -EINVAL;
1037 }
1038 cos_bit_to_set &= ~pri_bitmask;
1039 pri_set++;
1040 }
1041 }
1042
1043 /* Set all the Non strict priority i= COS*/
1044 for (i = 0; i < max_num_of_cos; i++) {
1045 pri_bitmask = 1 << i;
1046 /* Check if COS was already used for SP */
1047 if (pri_bitmask & cos_bit_to_set) {
1048 /* COS wasn't used for SP */
1049 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1050 i, pri_set);
1051
1052 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1053 i, pri_set);
1054 /* COS is used remove it from bitmap.*/
1055 cos_bit_to_set &= ~pri_bitmask;
1056 pri_set++;
1057 }
1058 }
1059
1060 if (pri_set != max_num_of_cos) {
1061 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
1062 "entries were set\n");
1063 return -EINVAL;
1064 }
1065
1066 if (port) {
1067 /* Only 6 usable clients*/
1068 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1069 (u32)pri_cli_nig);
1070
1071 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
1072 } else {
1073 /* Only 9 usable clients*/
1074 const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
1075 const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
1076
1077 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1078 pri_cli_nig_lsb);
1079 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1080 pri_cli_nig_msb);
1081
1082 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
1083 }
1084 return 0;
1085}
1086
1087/******************************************************************************
1088* Description:
1089* Configure the COS to ETS according to BW and SP settings.
1090******************************************************************************/
1091int bnx2x_ets_e3b0_config(const struct link_params *params,
1092 const struct link_vars *vars,
870516e1 1093 struct bnx2x_ets_params *ets_params)
6c3218c6
YR
1094{
1095 struct bnx2x *bp = params->bp;
1096 int bnx2x_status = 0;
1097 const u8 port = params->port;
1098 u16 total_bw = 0;
1099 const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
1100 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
1101 u8 cos_bw_bitmap = 0;
1102 u8 cos_sp_bitmap = 0;
1103 u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
1104 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1105 DCBX_E3B0_MAX_NUM_COS_PORT0;
1106 u8 cos_entry = 0;
1107
1108 if (!CHIP_IS_E3B0(bp)) {
94f05b0f
JP
1109 DP(NETIF_MSG_LINK,
1110 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
6c3218c6
YR
1111 return -EINVAL;
1112 }
1113
1114 if ((ets_params->num_of_cos > max_num_of_cos)) {
1115 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
1116 "isn't supported\n");
1117 return -EINVAL;
1118 }
1119
1120 /* Prepare sp strict priority parameters*/
1121 bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1122
1123 /* Prepare BW parameters*/
1124 bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
1125 &total_bw);
de0396f4 1126 if (bnx2x_status) {
94f05b0f
JP
1127 DP(NETIF_MSG_LINK,
1128 "bnx2x_ets_E3B0_config get_total_bw failed\n");
6c3218c6
YR
1129 return -EINVAL;
1130 }
1131
8f73f0b9 1132 /* Upper bound is set according to current link speed (min_w_val
2f751a80 1133 * should be the same for upper bound and COS credit val).
6c3218c6
YR
1134 */
1135 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
1136 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1137
1138
1139 for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
1140 if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
1141 cos_bw_bitmap |= (1 << cos_entry);
8f73f0b9 1142 /* The function also sets the BW in HW(not the mappin
6c3218c6
YR
1143 * yet)
1144 */
1145 bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
1146 bp, cos_entry, min_w_val_nig, min_w_val_pbf,
1147 total_bw,
1148 ets_params->cos[cos_entry].params.bw_params.bw,
1149 port);
1150 } else if (bnx2x_cos_state_strict ==
1151 ets_params->cos[cos_entry].state){
1152 cos_sp_bitmap |= (1 << cos_entry);
1153
1154 bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
1155 params,
1156 sp_pri_to_cos,
1157 ets_params->cos[cos_entry].params.sp_params.pri,
1158 cos_entry);
1159
1160 } else {
94f05b0f
JP
1161 DP(NETIF_MSG_LINK,
1162 "bnx2x_ets_e3b0_config cos state not valid\n");
6c3218c6
YR
1163 return -EINVAL;
1164 }
de0396f4 1165 if (bnx2x_status) {
94f05b0f
JP
1166 DP(NETIF_MSG_LINK,
1167 "bnx2x_ets_e3b0_config set cos bw failed\n");
6c3218c6
YR
1168 return bnx2x_status;
1169 }
1170 }
1171
1172 /* Set SP register (which COS has higher priority) */
1173 bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
1174 sp_pri_to_cos);
1175
de0396f4 1176 if (bnx2x_status) {
94f05b0f
JP
1177 DP(NETIF_MSG_LINK,
1178 "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
6c3218c6
YR
1179 return bnx2x_status;
1180 }
1181
1182 /* Set client mapping of BW and strict */
1183 bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
1184 cos_sp_bitmap,
1185 cos_bw_bitmap);
1186
de0396f4 1187 if (bnx2x_status) {
6c3218c6
YR
1188 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
1189 return bnx2x_status;
1190 }
1191 return 0;
1192}
65a001ba 1193static void bnx2x_ets_bw_limit_common(const struct link_params *params)
bcab15c5
VZ
1194{
1195 /* ETS disabled configuration */
1196 struct bnx2x *bp = params->bp;
1197 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
8f73f0b9 1198 /* Defines which entries (clients) are subjected to WFQ arbitration
2cf7acf9
YR
1199 * COS0 0x8
1200 * COS1 0x10
1201 */
bcab15c5 1202 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
8f73f0b9 1203 /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
2cf7acf9
YR
1204 * client numbers (WEIGHT_0 does not actually have to represent
1205 * client 0)
1206 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1207 * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
1208 */
bcab15c5
VZ
1209 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
1210
1211 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
1212 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1213 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
1214 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1215
1216 /* ETS mode enabled*/
1217 REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
1218
1219 /* Defines the number of consecutive slots for the strict priority */
1220 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
8f73f0b9 1221 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
2cf7acf9
YR
1222 * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
1223 * entry, 4 - COS1 entry.
1224 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1225 * bit4 bit3 bit2 bit1 bit0
1226 * MCP and debug are strict
1227 */
bcab15c5
VZ
1228 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
1229
1230 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
1231 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
1232 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1233 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
1234 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1235}
1236
1237void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
1238 const u32 cos1_bw)
1239{
1240 /* ETS disabled configuration*/
1241 struct bnx2x *bp = params->bp;
1242 const u32 total_bw = cos0_bw + cos1_bw;
1243 u32 cos0_credit_weight = 0;
1244 u32 cos1_credit_weight = 0;
1245
1246 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1247
de0396f4
YR
1248 if ((!total_bw) ||
1249 (!cos0_bw) ||
1250 (!cos1_bw)) {
cd88ccee 1251 DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
bcab15c5
VZ
1252 return;
1253 }
1254
1255 cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1256 total_bw;
1257 cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1258 total_bw;
1259
1260 bnx2x_ets_bw_limit_common(params);
1261
1262 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
1263 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
1264
1265 REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
1266 REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
1267}
1268
fcf5b650 1269int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
bcab15c5
VZ
1270{
1271 /* ETS disabled configuration*/
1272 struct bnx2x *bp = params->bp;
1273 u32 val = 0;
1274
bcab15c5 1275 DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
8f73f0b9 1276 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
bcab15c5
VZ
1277 * as strict. Bits 0,1,2 - debug and management entries,
1278 * 3 - COS0 entry, 4 - COS1 entry.
1279 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1280 * bit4 bit3 bit2 bit1 bit0
1281 * MCP and debug are strict
1282 */
1283 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
8f73f0b9 1284 /* For strict priority entries defines the number of consecutive slots
bcab15c5
VZ
1285 * for the highest priority.
1286 */
1287 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1288 /* ETS mode disable */
1289 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
1290 /* Defines the number of consecutive slots for the strict priority */
1291 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
1292
1293 /* Defines the number of consecutive slots for the strict priority */
1294 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
1295
8f73f0b9 1296 /* Mapping between entry priority to client number (0,1,2 -debug and
2cf7acf9
YR
1297 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
1298 * 3bits client num.
1299 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1300 * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
1301 * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
1302 */
de0396f4 1303 val = (!strict_cos) ? 0x2318 : 0x22E0;
bcab15c5
VZ
1304 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
1305
1306 return 0;
1307}
c8c60d88 1308
bcab15c5 1309/******************************************************************/
e8920674 1310/* PFC section */
bcab15c5 1311/******************************************************************/
9380bb9e
YR
1312static void bnx2x_update_pfc_xmac(struct link_params *params,
1313 struct link_vars *vars,
1314 u8 is_lb)
1315{
1316 struct bnx2x *bp = params->bp;
1317 u32 xmac_base;
1318 u32 pause_val, pfc0_val, pfc1_val;
1319
1320 /* XMAC base adrr */
1321 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1322
1323 /* Initialize pause and pfc registers */
1324 pause_val = 0x18000;
1325 pfc0_val = 0xFFFF8000;
1326 pfc1_val = 0x2;
1327
1328 /* No PFC support */
1329 if (!(params->feature_config_flags &
1330 FEATURE_CONFIG_PFC_ENABLED)) {
1331
8f73f0b9 1332 /* RX flow control - Process pause frame in receive direction
9380bb9e
YR
1333 */
1334 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1335 pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
1336
8f73f0b9 1337 /* TX flow control - Send pause packet when buffer is full */
9380bb9e
YR
1338 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1339 pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
1340 } else {/* PFC support */
1341 pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
1342 XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
1343 XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
27d9129f
YR
1344 XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
1345 XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1346 /* Write pause and PFC registers */
1347 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1348 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1349 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1350 pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1351
9380bb9e
YR
1352 }
1353
1354 /* Write pause and PFC registers */
1355 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1356 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1357 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1358
9380bb9e 1359
b8d6d082
YR
1360 /* Set MAC address for source TX Pause/PFC frames */
1361 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
1362 ((params->mac_addr[2] << 24) |
1363 (params->mac_addr[3] << 16) |
1364 (params->mac_addr[4] << 8) |
1365 (params->mac_addr[5])));
1366 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
1367 ((params->mac_addr[0] << 8) |
1368 (params->mac_addr[1])));
9380bb9e 1369
b8d6d082
YR
1370 udelay(30);
1371}
bcab15c5 1372
bcab15c5 1373
bcab15c5
VZ
1374static void bnx2x_emac_get_pfc_stat(struct link_params *params,
1375 u32 pfc_frames_sent[2],
1376 u32 pfc_frames_received[2])
1377{
1378 /* Read pfc statistic */
1379 struct bnx2x *bp = params->bp;
1380 u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1381 u32 val_xon = 0;
1382 u32 val_xoff = 0;
1383
1384 DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
1385
1386 /* PFC received frames */
1387 val_xoff = REG_RD(bp, emac_base +
1388 EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
1389 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
1390 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
1391 val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
1392
1393 pfc_frames_received[0] = val_xon + val_xoff;
1394
1395 /* PFC received sent */
1396 val_xoff = REG_RD(bp, emac_base +
1397 EMAC_REG_RX_PFC_STATS_XOFF_SENT);
1398 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
1399 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
1400 val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
1401
1402 pfc_frames_sent[0] = val_xon + val_xoff;
1403}
1404
b8d6d082 1405/* Read pfc statistic*/
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1406void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
1407 u32 pfc_frames_sent[2],
1408 u32 pfc_frames_received[2])
1409{
1410 /* Read pfc statistic */
1411 struct bnx2x *bp = params->bp;
b8d6d082 1412
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1413 DP(NETIF_MSG_LINK, "pfc statistic\n");
1414
1415 if (!vars->link_up)
1416 return;
1417
de0396f4 1418 if (vars->mac_type == MAC_TYPE_EMAC) {
b8d6d082 1419 DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
bcab15c5
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1420 bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
1421 pfc_frames_received);
bcab15c5
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1422 }
1423}
1424/******************************************************************/
1425/* MAC/PBF section */
1426/******************************************************************/
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1427static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
1428{
1429 u32 mode, emac_base;
8f73f0b9 1430 /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
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1431 * (a value of 49==0x31) and make sure that the AUTO poll is off
1432 */
1433
1434 if (CHIP_IS_E2(bp))
1435 emac_base = GRCBASE_EMAC0;
1436 else
1437 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1438 mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
1439 mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
1440 EMAC_MDIO_MODE_CLOCK_CNT);
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1441 if (USES_WARPCORE(bp))
1442 mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
1443 else
1444 mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
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1445
1446 mode |= (EMAC_MDIO_MODE_CLAUSE_45);
1447 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
1448
1449 udelay(40);
1450}
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1451static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
1452{
1453 u32 port4mode_ovwr_val;
1454 /* Check 4-port override enabled */
1455 port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
1456 if (port4mode_ovwr_val & (1<<0)) {
1457 /* Return 4-port mode override value */
1458 return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
1459 }
1460 /* Return 4-port mode from input pin */
1461 return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
1462}
a198c142 1463
ea4e040a 1464static void bnx2x_emac_init(struct link_params *params,
cd88ccee 1465 struct link_vars *vars)
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1466{
1467 /* reset and unreset the emac core */
1468 struct bnx2x *bp = params->bp;
1469 u8 port = params->port;
1470 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1471 u32 val;
1472 u16 timeout;
1473
1474 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
cd88ccee 1475 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
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1476 udelay(5);
1477 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
cd88ccee 1478 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
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1479
1480 /* init emac - use read-modify-write */
1481 /* self clear reset */
1482 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
3196a88a 1483 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
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1484
1485 timeout = 200;
3196a88a 1486 do {
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1487 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1488 DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
1489 if (!timeout) {
1490 DP(NETIF_MSG_LINK, "EMAC timeout!\n");
1491 return;
1492 }
1493 timeout--;
3196a88a 1494 } while (val & EMAC_MODE_RESET);
a198c142 1495 bnx2x_set_mdio_clk(bp, params->chip_id, port);
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1496 /* Set mac address */
1497 val = ((params->mac_addr[0] << 8) |
1498 params->mac_addr[1]);
3196a88a 1499 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
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1500
1501 val = ((params->mac_addr[2] << 24) |
1502 (params->mac_addr[3] << 16) |
1503 (params->mac_addr[4] << 8) |
1504 params->mac_addr[5]);
3196a88a 1505 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
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1506}
1507
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1508static void bnx2x_set_xumac_nig(struct link_params *params,
1509 u16 tx_pause_en,
1510 u8 enable)
1511{
1512 struct bnx2x *bp = params->bp;
1513
1514 REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
1515 enable);
1516 REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
1517 enable);
1518 REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
1519 NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
1520}
1521
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1522static void bnx2x_umac_disable(struct link_params *params)
1523{
1524 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1525 struct bnx2x *bp = params->bp;
1526 if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
1527 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
1528 return;
1529
1530 /* Disable RX and TX */
1531 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, 0);
1532}
1533
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1534static void bnx2x_umac_enable(struct link_params *params,
1535 struct link_vars *vars, u8 lb)
1536{
1537 u32 val;
1538 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1539 struct bnx2x *bp = params->bp;
1540 /* Reset UMAC */
1541 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1542 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
d231023e 1543 usleep_range(1000, 2000);
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1544
1545 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1546 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1547
1548 DP(NETIF_MSG_LINK, "enabling UMAC\n");
1549
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1550 /* This register opens the gate for the UMAC despite its name */
1551 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
1552
1553 val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
1554 UMAC_COMMAND_CONFIG_REG_PAD_EN |
1555 UMAC_COMMAND_CONFIG_REG_SW_RESET |
1556 UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
1557 switch (vars->line_speed) {
1558 case SPEED_10:
1559 val |= (0<<2);
1560 break;
1561 case SPEED_100:
1562 val |= (1<<2);
1563 break;
1564 case SPEED_1000:
1565 val |= (2<<2);
1566 break;
1567 case SPEED_2500:
1568 val |= (3<<2);
1569 break;
1570 default:
1571 DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
1572 vars->line_speed);
1573 break;
1574 }
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1575 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1576 val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
1577
1578 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1579 val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
1580
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1581 if (vars->duplex == DUPLEX_HALF)
1582 val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
1583
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1584 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1585 udelay(50);
1586
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1587 /* Configure UMAC for EEE */
1588 if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1589 DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
1590 REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
1591 UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
1592 REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
1593 } else {
1594 REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
1595 }
1596
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1597 /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
1598 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
1599 ((params->mac_addr[2] << 24) |
1600 (params->mac_addr[3] << 16) |
1601 (params->mac_addr[4] << 8) |
1602 (params->mac_addr[5])));
1603 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
1604 ((params->mac_addr[0] << 8) |
1605 (params->mac_addr[1])));
1606
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1607 /* Enable RX and TX */
1608 val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
1609 val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
3c9ada22 1610 UMAC_COMMAND_CONFIG_REG_RX_ENA;
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1611 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1612 udelay(50);
1613
1614 /* Remove SW Reset */
1615 val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
1616
1617 /* Check loopback mode */
1618 if (lb)
1619 val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
1620 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1621
8f73f0b9 1622 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
9380bb9e
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1623 * length used by the MAC receive logic to check frames.
1624 */
1625 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
1626 bnx2x_set_xumac_nig(params,
1627 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1628 vars->mac_type = MAC_TYPE_UMAC;
1629
1630}
1631
9380bb9e 1632/* Define the XMAC mode */
ce7c0489 1633static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
9380bb9e 1634{
ce7c0489 1635 struct bnx2x *bp = params->bp;
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1636 u32 is_port4mode = bnx2x_is_4_port_mode(bp);
1637
8f73f0b9 1638 /* In 4-port mode, need to set the mode only once, so if XMAC is
2f751a80
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1639 * already out of reset, it means the mode has already been set,
1640 * and it must not* reset the XMAC again, since it controls both
1641 * ports of the path
1642 */
9380bb9e 1643
c3def943 1644 if ((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) &&
ce7c0489 1645 (REG_RD(bp, MISC_REG_RESET_REG_2) &
9380bb9e 1646 MISC_REGISTERS_RESET_REG_2_XMAC)) {
94f05b0f
JP
1647 DP(NETIF_MSG_LINK,
1648 "XMAC already out of reset in 4-port mode\n");
9380bb9e
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1649 return;
1650 }
1651
1652 /* Hard reset */
1653 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1654 MISC_REGISTERS_RESET_REG_2_XMAC);
d231023e 1655 usleep_range(1000, 2000);
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1656
1657 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1658 MISC_REGISTERS_RESET_REG_2_XMAC);
1659 if (is_port4mode) {
1660 DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
1661
8f73f0b9 1662 /* Set the number of ports on the system side to up to 2 */
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1663 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
1664
1665 /* Set the number of ports on the Warp Core to 10G */
1666 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1667 } else {
8f73f0b9 1668 /* Set the number of ports on the system side to 1 */
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1669 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
1670 if (max_speed == SPEED_10000) {
94f05b0f
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1671 DP(NETIF_MSG_LINK,
1672 "Init XMAC to 10G x 1 port per path\n");
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1673 /* Set the number of ports on the Warp Core to 10G */
1674 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1675 } else {
94f05b0f
JP
1676 DP(NETIF_MSG_LINK,
1677 "Init XMAC to 20G x 2 ports per path\n");
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1678 /* Set the number of ports on the Warp Core to 20G */
1679 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
1680 }
1681 }
1682 /* Soft reset */
1683 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1684 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
d231023e 1685 usleep_range(1000, 2000);
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1686
1687 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1688 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1689
1690}
1691
1692static void bnx2x_xmac_disable(struct link_params *params)
1693{
1694 u8 port = params->port;
1695 struct bnx2x *bp = params->bp;
b5077662 1696 u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
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1697
1698 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1699 MISC_REGISTERS_RESET_REG_2_XMAC) {
8f73f0b9 1700 /* Send an indication to change the state in the NIG back to XON
b5077662
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1701 * Clearing this bit enables the next set of this bit to get
1702 * rising edge
1703 */
1704 pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
1705 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1706 (pfc_ctrl & ~(1<<1)));
1707 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1708 (pfc_ctrl | (1<<1)));
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1709 DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
1710 REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
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1711 }
1712}
1713
1714static int bnx2x_xmac_enable(struct link_params *params,
1715 struct link_vars *vars, u8 lb)
1716{
1717 u32 val, xmac_base;
1718 struct bnx2x *bp = params->bp;
1719 DP(NETIF_MSG_LINK, "enabling XMAC\n");
1720
1721 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1722
ce7c0489 1723 bnx2x_xmac_init(params, vars->line_speed);
9380bb9e 1724
8f73f0b9 1725 /* This register determines on which events the MAC will assert
9380bb9e
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1726 * error on the i/f to the NIG along w/ EOP.
1727 */
1728
8f73f0b9 1729 /* This register tells the NIG whether to send traffic to UMAC
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1730 * or XMAC
1731 */
1732 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
1733
1734 /* Set Max packet size */
1735 REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
1736
1737 /* CRC append for Tx packets */
1738 REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
1739
1740 /* update PFC */
1741 bnx2x_update_pfc_xmac(params, vars, 0);
1742
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YM
1743 if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1744 DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
1745 REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
1746 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
1747 } else {
1748 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
1749 }
1750
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1751 /* Enable TX and RX */
1752 val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
1753
1754 /* Check loopback mode */
1755 if (lb)
4d7e25d6 1756 val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
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1757 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1758 bnx2x_set_xumac_nig(params,
1759 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1760
1761 vars->mac_type = MAC_TYPE_XMAC;
1762
1763 return 0;
1764}
2f751a80 1765
fcf5b650 1766static int bnx2x_emac_enable(struct link_params *params,
9045f6b4 1767 struct link_vars *vars, u8 lb)
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1768{
1769 struct bnx2x *bp = params->bp;
1770 u8 port = params->port;
1771 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1772 u32 val;
1773
1774 DP(NETIF_MSG_LINK, "enabling EMAC\n");
1775
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1776 /* Disable BMAC */
1777 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1778 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1779
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1780 /* enable emac and not bmac */
1781 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
1782
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1783 /* ASIC */
1784 if (vars->phy_flags & PHY_XGXS_FLAG) {
1785 u32 ser_lane = ((params->lane_config &
cd88ccee
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1786 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1787 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
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1788
1789 DP(NETIF_MSG_LINK, "XGXS\n");
1790 /* select the master lanes (out of 0-3) */
cd88ccee 1791 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
ea4e040a 1792 /* select XGXS */
cd88ccee 1793 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
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1794
1795 } else { /* SerDes */
1796 DP(NETIF_MSG_LINK, "SerDes\n");
1797 /* select SerDes */
cd88ccee 1798 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
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1799 }
1800
811a2f2d 1801 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
cd88ccee 1802 EMAC_RX_MODE_RESET);
811a2f2d 1803 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
cd88ccee 1804 EMAC_TX_MODE_RESET);
ea4e040a 1805
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1806 /* pause enable/disable */
1807 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1808 EMAC_RX_MODE_FLOW_EN);
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1809
1810 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
bcab15c5
VZ
1811 (EMAC_TX_MODE_EXT_PAUSE_EN |
1812 EMAC_TX_MODE_FLOW_EN));
1813 if (!(params->feature_config_flags &
1814 FEATURE_CONFIG_PFC_ENABLED)) {
1815 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1816 bnx2x_bits_en(bp, emac_base +
1817 EMAC_REG_EMAC_RX_MODE,
1818 EMAC_RX_MODE_FLOW_EN);
1819
1820 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1821 bnx2x_bits_en(bp, emac_base +
1822 EMAC_REG_EMAC_TX_MODE,
1823 (EMAC_TX_MODE_EXT_PAUSE_EN |
1824 EMAC_TX_MODE_FLOW_EN));
1825 } else
1826 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1827 EMAC_TX_MODE_FLOW_EN);
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1828
1829 /* KEEP_VLAN_TAG, promiscuous */
1830 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
1831 val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
bcab15c5 1832
8f73f0b9 1833 /* Setting this bit causes MAC control frames (except for pause
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1834 * frames) to be passed on for processing. This setting has no
1835 * affect on the operation of the pause frames. This bit effects
1836 * all packets regardless of RX Parser packet sorting logic.
1837 * Turn the PFC off to make sure we are in Xon state before
1838 * enabling it.
1839 */
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1840 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
1841 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1842 DP(NETIF_MSG_LINK, "PFC is enabled\n");
1843 /* Enable PFC again */
1844 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
1845 EMAC_REG_RX_PFC_MODE_RX_EN |
1846 EMAC_REG_RX_PFC_MODE_TX_EN |
1847 EMAC_REG_RX_PFC_MODE_PRIORITIES);
1848
1849 EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
1850 ((0x0101 <<
1851 EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
1852 (0x00ff <<
1853 EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
1854 val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
1855 }
3196a88a 1856 EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
ea4e040a
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1857
1858 /* Set Loopback */
1859 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1860 if (lb)
1861 val |= 0x810;
1862 else
1863 val &= ~0x810;
3196a88a 1864 EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
ea4e040a 1865
d231023e 1866 /* Enable emac */
6c55c3cd
EG
1867 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
1868
d231023e 1869 /* Enable emac for jumbo packets */
3196a88a 1870 EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
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1871 (EMAC_RX_MTU_SIZE_JUMBO_ENA |
1872 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
1873
d231023e 1874 /* Strip CRC */
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1875 REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
1876
d231023e 1877 /* Disable the NIG in/out to the bmac */
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1878 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
1879 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
1880 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
1881
d231023e 1882 /* Enable the NIG in/out to the emac */
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1883 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
1884 val = 0;
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1885 if ((params->feature_config_flags &
1886 FEATURE_CONFIG_PFC_ENABLED) ||
1887 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
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1888 val = 1;
1889
1890 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
1891 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
1892
02a23165 1893 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
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1894
1895 vars->mac_type = MAC_TYPE_EMAC;
1896 return 0;
1897}
1898
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1899static void bnx2x_update_pfc_bmac1(struct link_params *params,
1900 struct link_vars *vars)
1901{
1902 u32 wb_data[2];
1903 struct bnx2x *bp = params->bp;
1904 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1905 NIG_REG_INGRESS_BMAC0_MEM;
1906
1907 u32 val = 0x14;
1908 if ((!(params->feature_config_flags &
1909 FEATURE_CONFIG_PFC_ENABLED)) &&
1910 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1911 /* Enable BigMAC to react on received Pause packets */
1912 val |= (1<<5);
1913 wb_data[0] = val;
1914 wb_data[1] = 0;
1915 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
1916
d231023e 1917 /* TX control */
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1918 val = 0xc0;
1919 if (!(params->feature_config_flags &
1920 FEATURE_CONFIG_PFC_ENABLED) &&
1921 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1922 val |= 0x800000;
1923 wb_data[0] = val;
1924 wb_data[1] = 0;
1925 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
1926}
1927
1928static void bnx2x_update_pfc_bmac2(struct link_params *params,
1929 struct link_vars *vars,
1930 u8 is_lb)
f2e0899f 1931{
8f73f0b9 1932 /* Set rx control: Strip CRC and enable BigMAC to relay
f2e0899f
DK
1933 * control packets to the system as well
1934 */
1935 u32 wb_data[2];
1936 struct bnx2x *bp = params->bp;
1937 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1938 NIG_REG_INGRESS_BMAC0_MEM;
1939 u32 val = 0x14;
ea4e040a 1940
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1941 if ((!(params->feature_config_flags &
1942 FEATURE_CONFIG_PFC_ENABLED)) &&
1943 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
f2e0899f
DK
1944 /* Enable BigMAC to react on received Pause packets */
1945 val |= (1<<5);
1946 wb_data[0] = val;
1947 wb_data[1] = 0;
cd88ccee 1948 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
f2e0899f 1949 udelay(30);
ea4e040a 1950
f2e0899f
DK
1951 /* Tx control */
1952 val = 0xc0;
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1953 if (!(params->feature_config_flags &
1954 FEATURE_CONFIG_PFC_ENABLED) &&
1955 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
f2e0899f
DK
1956 val |= 0x800000;
1957 wb_data[0] = val;
1958 wb_data[1] = 0;
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1959 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
1960
1961 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1962 DP(NETIF_MSG_LINK, "PFC is enabled\n");
1963 /* Enable PFC RX & TX & STATS and set 8 COS */
1964 wb_data[0] = 0x0;
1965 wb_data[0] |= (1<<0); /* RX */
1966 wb_data[0] |= (1<<1); /* TX */
1967 wb_data[0] |= (1<<2); /* Force initial Xon */
1968 wb_data[0] |= (1<<3); /* 8 cos */
1969 wb_data[0] |= (1<<5); /* STATS */
1970 wb_data[1] = 0;
1971 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
1972 wb_data, 2);
1973 /* Clear the force Xon */
1974 wb_data[0] &= ~(1<<2);
1975 } else {
1976 DP(NETIF_MSG_LINK, "PFC is disabled\n");
d231023e 1977 /* Disable PFC RX & TX & STATS and set 8 COS */
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1978 wb_data[0] = 0x8;
1979 wb_data[1] = 0;
1980 }
1981
1982 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
f2e0899f 1983
8f73f0b9 1984 /* Set Time (based unit is 512 bit time) between automatic
2cf7acf9
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1985 * re-sending of PP packets amd enable automatic re-send of
1986 * Per-Priroity Packet as long as pp_gen is asserted and
1987 * pp_disable is low.
1988 */
f2e0899f 1989 val = 0x8000;
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1990 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
1991 val |= (1<<16); /* enable automatic re-send */
1992
f2e0899f
DK
1993 wb_data[0] = val;
1994 wb_data[1] = 0;
1995 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
cd88ccee 1996 wb_data, 2);
f2e0899f
DK
1997
1998 /* mac control */
1999 val = 0x3; /* Enable RX and TX */
2000 if (is_lb) {
2001 val |= 0x4; /* Local loopback */
2002 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2003 }
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2004 /* When PFC enabled, Pass pause frames towards the NIG. */
2005 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2006 val |= ((1<<6)|(1<<5));
f2e0899f
DK
2007
2008 wb_data[0] = val;
2009 wb_data[1] = 0;
cd88ccee 2010 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
f2e0899f
DK
2011}
2012
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2013/* PFC BRB internal port configuration params */
2014struct bnx2x_pfc_brb_threshold_val {
2015 u32 pause_xoff;
2016 u32 pause_xon;
2017 u32 full_xoff;
2018 u32 full_xon;
2019};
2020
2021struct bnx2x_pfc_brb_e3b0_val {
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2022 u32 per_class_guaranty_mode;
2023 u32 lb_guarantied_hyst;
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2024 u32 full_lb_xoff_th;
2025 u32 full_lb_xon_threshold;
2026 u32 lb_guarantied;
2027 u32 mac_0_class_t_guarantied;
2028 u32 mac_0_class_t_guarantied_hyst;
2029 u32 mac_1_class_t_guarantied;
2030 u32 mac_1_class_t_guarantied_hyst;
2031};
2032
2033struct bnx2x_pfc_brb_th_val {
2034 struct bnx2x_pfc_brb_threshold_val pauseable_th;
2035 struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
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2036 struct bnx2x_pfc_brb_threshold_val default_class0;
2037 struct bnx2x_pfc_brb_threshold_val default_class1;
2038
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2039};
2040static int bnx2x_pfc_brb_get_config_params(
2041 struct link_params *params,
2042 struct bnx2x_pfc_brb_th_val *config_val)
2043{
2044 struct bnx2x *bp = params->bp;
2045 DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
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2046
2047 config_val->default_class1.pause_xoff = 0;
2048 config_val->default_class1.pause_xon = 0;
2049 config_val->default_class1.full_xoff = 0;
2050 config_val->default_class1.full_xon = 0;
2051
9380bb9e 2052 if (CHIP_IS_E2(bp)) {
8f73f0b9 2053 /* Class0 defaults */
866cedae
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2054 config_val->default_class0.pause_xoff =
2055 DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR;
2056 config_val->default_class0.pause_xon =
2f751a80 2057 DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR;
866cedae 2058 config_val->default_class0.full_xoff =
2f751a80 2059 DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR;
866cedae 2060 config_val->default_class0.full_xon =
2f751a80 2061 DEFAULT0_E2_BRB_MAC_FULL_XON_THR;
8f73f0b9 2062 /* Pause able*/
9380bb9e 2063 config_val->pauseable_th.pause_xoff =
2f751a80 2064 PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
9380bb9e 2065 config_val->pauseable_th.pause_xon =
2f751a80 2066 PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
9380bb9e 2067 config_val->pauseable_th.full_xoff =
2f751a80 2068 PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
9380bb9e 2069 config_val->pauseable_th.full_xon =
2f751a80 2070 PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
d231023e 2071 /* Non pause able*/
9380bb9e 2072 config_val->non_pauseable_th.pause_xoff =
2f751a80 2073 PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
9380bb9e 2074 config_val->non_pauseable_th.pause_xon =
2f751a80 2075 PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
9380bb9e 2076 config_val->non_pauseable_th.full_xoff =
2f751a80 2077 PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
9380bb9e 2078 config_val->non_pauseable_th.full_xon =
2f751a80 2079 PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
9380bb9e 2080 } else if (CHIP_IS_E3A0(bp)) {
8f73f0b9 2081 /* Class0 defaults */
866cedae
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2082 config_val->default_class0.pause_xoff =
2083 DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR;
2084 config_val->default_class0.pause_xon =
2f751a80 2085 DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR;
866cedae 2086 config_val->default_class0.full_xoff =
2f751a80 2087 DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR;
866cedae 2088 config_val->default_class0.full_xon =
2f751a80 2089 DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR;
8f73f0b9 2090 /* Pause able */
9380bb9e 2091 config_val->pauseable_th.pause_xoff =
2f751a80 2092 PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
9380bb9e 2093 config_val->pauseable_th.pause_xon =
2f751a80 2094 PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
9380bb9e 2095 config_val->pauseable_th.full_xoff =
2f751a80 2096 PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
9380bb9e 2097 config_val->pauseable_th.full_xon =
2f751a80 2098 PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
d231023e 2099 /* Non pause able*/
9380bb9e 2100 config_val->non_pauseable_th.pause_xoff =
2f751a80 2101 PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
9380bb9e 2102 config_val->non_pauseable_th.pause_xon =
2f751a80 2103 PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
9380bb9e 2104 config_val->non_pauseable_th.full_xoff =
2f751a80 2105 PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
9380bb9e 2106 config_val->non_pauseable_th.full_xon =
2f751a80 2107 PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
9380bb9e 2108 } else if (CHIP_IS_E3B0(bp)) {
8f73f0b9 2109 /* Class0 defaults */
866cedae
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2110 config_val->default_class0.pause_xoff =
2111 DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR;
2112 config_val->default_class0.pause_xon =
2113 DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR;
2114 config_val->default_class0.full_xoff =
2115 DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR;
2116 config_val->default_class0.full_xon =
2117 DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR;
2118
9380bb9e 2119 if (params->phy[INT_PHY].flags &
2f751a80 2120 FLAGS_4_PORT_MODE) {
9380bb9e 2121 config_val->pauseable_th.pause_xoff =
866cedae 2122 PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
9380bb9e 2123 config_val->pauseable_th.pause_xon =
866cedae 2124 PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
9380bb9e 2125 config_val->pauseable_th.full_xoff =
866cedae 2126 PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
9380bb9e 2127 config_val->pauseable_th.full_xon =
866cedae 2128 PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
d231023e 2129 /* Non pause able*/
9380bb9e 2130 config_val->non_pauseable_th.pause_xoff =
866cedae 2131 PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
9380bb9e 2132 config_val->non_pauseable_th.pause_xon =
866cedae 2133 PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
9380bb9e 2134 config_val->non_pauseable_th.full_xoff =
866cedae 2135 PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
9380bb9e 2136 config_val->non_pauseable_th.full_xon =
866cedae
YR
2137 PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2138 } else {
2139 config_val->pauseable_th.pause_xoff =
2140 PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2141 config_val->pauseable_th.pause_xon =
2f751a80
YR
2142 PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
2143 config_val->pauseable_th.full_xoff =
2144 PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
2145 config_val->pauseable_th.full_xon =
2146 PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
d231023e 2147 /* Non pause able*/
2f751a80
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2148 config_val->non_pauseable_th.pause_xoff =
2149 PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2150 config_val->non_pauseable_th.pause_xon =
2151 PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2152 config_val->non_pauseable_th.full_xoff =
2153 PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2154 config_val->non_pauseable_th.full_xon =
2155 PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2156 }
9380bb9e
YR
2157 } else
2158 return -EINVAL;
2159
2160 return 0;
2161}
2162
866cedae
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2163static void bnx2x_pfc_brb_get_e3b0_config_params(
2164 struct link_params *params,
2165 struct bnx2x_pfc_brb_e3b0_val
2166 *e3b0_val,
2167 struct bnx2x_nig_brb_pfc_port_params *pfc_params,
2168 const u8 pfc_enabled)
9380bb9e 2169{
866cedae
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2170 if (pfc_enabled && pfc_params) {
2171 e3b0_val->per_class_guaranty_mode = 1;
2172 e3b0_val->lb_guarantied_hyst = 80;
2173
2174 if (params->phy[INT_PHY].flags &
2175 FLAGS_4_PORT_MODE) {
2176 e3b0_val->full_lb_xoff_th =
2177 PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
2178 e3b0_val->full_lb_xon_threshold =
2179 PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
2180 e3b0_val->lb_guarantied =
2181 PFC_E3B0_4P_LB_GUART;
2182 e3b0_val->mac_0_class_t_guarantied =
2183 PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
2184 e3b0_val->mac_0_class_t_guarantied_hyst =
2185 PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
2186 e3b0_val->mac_1_class_t_guarantied =
2187 PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
2188 e3b0_val->mac_1_class_t_guarantied_hyst =
2189 PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
2190 } else {
2191 e3b0_val->full_lb_xoff_th =
2192 PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
2193 e3b0_val->full_lb_xon_threshold =
2194 PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
2195 e3b0_val->mac_0_class_t_guarantied_hyst =
2196 PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
2197 e3b0_val->mac_1_class_t_guarantied =
2198 PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
2199 e3b0_val->mac_1_class_t_guarantied_hyst =
2200 PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
2201
2202 if (pfc_params->cos0_pauseable !=
2203 pfc_params->cos1_pauseable) {
d231023e 2204 /* Nonpauseable= Lossy + pauseable = Lossless*/
866cedae
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2205 e3b0_val->lb_guarantied =
2206 PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
2207 e3b0_val->mac_0_class_t_guarantied =
2208 PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
2209 } else if (pfc_params->cos0_pauseable) {
2210 /* Lossless +Lossless*/
2211 e3b0_val->lb_guarantied =
2212 PFC_E3B0_2P_PAUSE_LB_GUART;
2213 e3b0_val->mac_0_class_t_guarantied =
2214 PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
2215 } else {
2216 /* Lossy +Lossy*/
2217 e3b0_val->lb_guarantied =
2218 PFC_E3B0_2P_NON_PAUSE_LB_GUART;
2219 e3b0_val->mac_0_class_t_guarantied =
2220 PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
2221 }
2222 }
2223 } else {
2224 e3b0_val->per_class_guaranty_mode = 0;
2225 e3b0_val->lb_guarantied_hyst = 0;
9380bb9e 2226 e3b0_val->full_lb_xoff_th =
866cedae 2227 DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR;
9380bb9e 2228 e3b0_val->full_lb_xon_threshold =
866cedae 2229 DEFAULT_E3B0_BRB_FULL_LB_XON_THR;
9380bb9e 2230 e3b0_val->lb_guarantied =
866cedae 2231 DEFAULT_E3B0_LB_GUART;
9380bb9e 2232 e3b0_val->mac_0_class_t_guarantied =
866cedae 2233 DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART;
9380bb9e 2234 e3b0_val->mac_0_class_t_guarantied_hyst =
866cedae 2235 DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST;
9380bb9e 2236 e3b0_val->mac_1_class_t_guarantied =
866cedae 2237 DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART;
9380bb9e 2238 e3b0_val->mac_1_class_t_guarantied_hyst =
866cedae 2239 DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST;
9380bb9e
YR
2240 }
2241}
2242static int bnx2x_update_pfc_brb(struct link_params *params,
2243 struct link_vars *vars,
2244 struct bnx2x_nig_brb_pfc_port_params
2245 *pfc_params)
bcab15c5
VZ
2246{
2247 struct bnx2x *bp = params->bp;
9380bb9e
YR
2248 struct bnx2x_pfc_brb_th_val config_val = { {0} };
2249 struct bnx2x_pfc_brb_threshold_val *reg_th_config =
2f751a80 2250 &config_val.pauseable_th;
9380bb9e 2251 struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
866cedae 2252 const int set_pfc = params->feature_config_flags &
bcab15c5 2253 FEATURE_CONFIG_PFC_ENABLED;
866cedae 2254 const u8 pfc_enabled = (set_pfc && pfc_params);
9380bb9e
YR
2255 int bnx2x_status = 0;
2256 u8 port = params->port;
bcab15c5
VZ
2257
2258 /* default - pause configuration */
9380bb9e
YR
2259 reg_th_config = &config_val.pauseable_th;
2260 bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
de0396f4 2261 if (bnx2x_status)
9380bb9e 2262 return bnx2x_status;
bcab15c5 2263
866cedae 2264 if (pfc_enabled) {
bcab15c5 2265 /* First COS */
866cedae
YR
2266 if (pfc_params->cos0_pauseable)
2267 reg_th_config = &config_val.pauseable_th;
2268 else
9380bb9e 2269 reg_th_config = &config_val.non_pauseable_th;
866cedae
YR
2270 } else
2271 reg_th_config = &config_val.default_class0;
8f73f0b9 2272 /* The number of free blocks below which the pause signal to class 0
2cf7acf9
YR
2273 * of MAC #n is asserted. n=0,1
2274 */
9380bb9e
YR
2275 REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
2276 BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
2277 reg_th_config->pause_xoff);
8f73f0b9 2278 /* The number of free blocks above which the pause signal to class 0
2cf7acf9
YR
2279 * of MAC #n is de-asserted. n=0,1
2280 */
9380bb9e
YR
2281 REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
2282 BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
8f73f0b9 2283 /* The number of free blocks below which the full signal to class 0
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YR
2284 * of MAC #n is asserted. n=0,1
2285 */
9380bb9e
YR
2286 REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
2287 BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
8f73f0b9 2288 /* The number of free blocks above which the full signal to class 0
2cf7acf9
YR
2289 * of MAC #n is de-asserted. n=0,1
2290 */
9380bb9e
YR
2291 REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
2292 BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
bcab15c5 2293
866cedae 2294 if (pfc_enabled) {
bcab15c5 2295 /* Second COS */
9380bb9e
YR
2296 if (pfc_params->cos1_pauseable)
2297 reg_th_config = &config_val.pauseable_th;
2298 else
2299 reg_th_config = &config_val.non_pauseable_th;
866cedae
YR
2300 } else
2301 reg_th_config = &config_val.default_class1;
8f73f0b9 2302 /* The number of free blocks below which the pause signal to
2f751a80
YR
2303 * class 1 of MAC #n is asserted. n=0,1
2304 */
2305 REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
2306 BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
2307 reg_th_config->pause_xoff);
2308
8f73f0b9 2309 /* The number of free blocks above which the pause signal to
2f751a80
YR
2310 * class 1 of MAC #n is de-asserted. n=0,1
2311 */
2312 REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
2313 BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
2314 reg_th_config->pause_xon);
8f73f0b9 2315 /* The number of free blocks below which the full signal to
2f751a80
YR
2316 * class 1 of MAC #n is asserted. n=0,1
2317 */
2318 REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
2319 BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
2320 reg_th_config->full_xoff);
8f73f0b9 2321 /* The number of free blocks above which the full signal to
2f751a80
YR
2322 * class 1 of MAC #n is de-asserted. n=0,1
2323 */
2324 REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
2325 BRB1_REG_FULL_1_XON_THRESHOLD_0,
2326 reg_th_config->full_xon);
9380bb9e 2327
866cedae
YR
2328 if (CHIP_IS_E3B0(bp)) {
2329 bnx2x_pfc_brb_get_e3b0_config_params(
2330 params,
2331 &e3b0_val,
2332 pfc_params,
2333 pfc_enabled);
9380bb9e 2334
866cedae
YR
2335 REG_WR(bp, BRB1_REG_PER_CLASS_GUARANTY_MODE,
2336 e3b0_val.per_class_guaranty_mode);
9380bb9e 2337
8f73f0b9 2338 /* The hysteresis on the guarantied buffer space for the Lb
2f751a80
YR
2339 * port before signaling XON.
2340 */
866cedae
YR
2341 REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST,
2342 e3b0_val.lb_guarantied_hyst);
2f751a80 2343
8f73f0b9 2344 /* The number of free blocks below which the full signal to the
2f751a80
YR
2345 * LB port is asserted.
2346 */
866cedae 2347 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
2f751a80 2348 e3b0_val.full_lb_xoff_th);
8f73f0b9 2349 /* The number of free blocks above which the full signal to the
2f751a80
YR
2350 * LB port is de-asserted.
2351 */
2352 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
2353 e3b0_val.full_lb_xon_threshold);
8f73f0b9 2354 /* The number of blocks guarantied for the MAC #n port. n=0,1
2f751a80
YR
2355 */
2356
8f73f0b9 2357 /* The number of blocks guarantied for the LB port. */
2f751a80
YR
2358 REG_WR(bp, BRB1_REG_LB_GUARANTIED,
2359 e3b0_val.lb_guarantied);
2360
8f73f0b9 2361 /* The number of blocks guarantied for the MAC #n port. */
2f751a80
YR
2362 REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
2363 2 * e3b0_val.mac_0_class_t_guarantied);
2364 REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
2365 2 * e3b0_val.mac_1_class_t_guarantied);
8f73f0b9 2366 /* The number of blocks guarantied for class #t in MAC0. t=0,1
2f751a80
YR
2367 */
2368 REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
2369 e3b0_val.mac_0_class_t_guarantied);
2370 REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
2371 e3b0_val.mac_0_class_t_guarantied);
8f73f0b9 2372 /* The hysteresis on the guarantied buffer space for class in
2f751a80
YR
2373 * MAC0. t=0,1
2374 */
2375 REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
2376 e3b0_val.mac_0_class_t_guarantied_hyst);
2377 REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
2378 e3b0_val.mac_0_class_t_guarantied_hyst);
2379
8f73f0b9 2380 /* The number of blocks guarantied for class #t in MAC1.t=0,1
2f751a80
YR
2381 */
2382 REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
2383 e3b0_val.mac_1_class_t_guarantied);
2384 REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
2385 e3b0_val.mac_1_class_t_guarantied);
8f73f0b9 2386 /* The hysteresis on the guarantied buffer space for class #t
2f751a80
YR
2387 * in MAC1. t=0,1
2388 */
2389 REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
2390 e3b0_val.mac_1_class_t_guarantied_hyst);
2391 REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
2392 e3b0_val.mac_1_class_t_guarantied_hyst);
2393 }
9380bb9e 2394
9380bb9e 2395 return bnx2x_status;
bcab15c5
VZ
2396}
2397
619c5cb6
VZ
2398/******************************************************************************
2399* Description:
2400* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2401* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2402******************************************************************************/
d231023e
YM
2403static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
2404 u8 cos_entry,
2405 u32 priority_mask, u8 port)
619c5cb6
VZ
2406{
2407 u32 nig_reg_rx_priority_mask_add = 0;
2408
2409 switch (cos_entry) {
2410 case 0:
2411 nig_reg_rx_priority_mask_add = (port) ?
2412 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2413 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2414 break;
2415 case 1:
2416 nig_reg_rx_priority_mask_add = (port) ?
2417 NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2418 NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2419 break;
2420 case 2:
2421 nig_reg_rx_priority_mask_add = (port) ?
2422 NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2423 NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2424 break;
2425 case 3:
2426 if (port)
2427 return -EINVAL;
2428 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2429 break;
2430 case 4:
2431 if (port)
2432 return -EINVAL;
2433 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2434 break;
2435 case 5:
2436 if (port)
2437 return -EINVAL;
2438 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2439 break;
2440 }
2441
2442 REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
2443
2444 return 0;
2445}
b8d6d082
YR
2446static void bnx2x_update_mng(struct link_params *params, u32 link_status)
2447{
2448 struct bnx2x *bp = params->bp;
2449
2450 REG_WR(bp, params->shmem_base +
2451 offsetof(struct shmem_region,
2452 port_mb[params->port].link_status), link_status);
2453}
2454
bcab15c5
VZ
2455static void bnx2x_update_pfc_nig(struct link_params *params,
2456 struct link_vars *vars,
2457 struct bnx2x_nig_brb_pfc_port_params *nig_params)
2458{
2459 u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
127302bb 2460 u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
bcab15c5 2461 u32 pkt_priority_to_cos = 0;
bcab15c5 2462 struct bnx2x *bp = params->bp;
9380bb9e
YR
2463 u8 port = params->port;
2464
bcab15c5
VZ
2465 int set_pfc = params->feature_config_flags &
2466 FEATURE_CONFIG_PFC_ENABLED;
2467 DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
2468
8f73f0b9 2469 /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
bcab15c5
VZ
2470 * MAC control frames (that are not pause packets)
2471 * will be forwarded to the XCM.
2472 */
127302bb
YR
2473 xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
2474 NIG_REG_LLH0_XCM_MASK);
8f73f0b9 2475 /* NIG params will override non PFC params, since it's possible to
bcab15c5
VZ
2476 * do transition from PFC to SAFC
2477 */
2478 if (set_pfc) {
2479 pause_enable = 0;
2480 llfc_out_en = 0;
2481 llfc_enable = 0;
9380bb9e
YR
2482 if (CHIP_IS_E3(bp))
2483 ppp_enable = 0;
2484 else
bcab15c5
VZ
2485 ppp_enable = 1;
2486 xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2487 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
127302bb
YR
2488 xcm_out_en = 0;
2489 hwpfc_enable = 1;
bcab15c5
VZ
2490 } else {
2491 if (nig_params) {
2492 llfc_out_en = nig_params->llfc_out_en;
2493 llfc_enable = nig_params->llfc_enable;
2494 pause_enable = nig_params->pause_enable;
8f73f0b9 2495 } else /* Default non PFC mode - PAUSE */
bcab15c5
VZ
2496 pause_enable = 1;
2497
2498 xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2499 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
127302bb 2500 xcm_out_en = 1;
bcab15c5
VZ
2501 }
2502
9380bb9e
YR
2503 if (CHIP_IS_E3(bp))
2504 REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2505 NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
bcab15c5
VZ
2506 REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
2507 NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2508 REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
2509 NIG_REG_LLFC_ENABLE_0, llfc_enable);
2510 REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
2511 NIG_REG_PAUSE_ENABLE_0, pause_enable);
2512
2513 REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
2514 NIG_REG_PPP_ENABLE_0, ppp_enable);
2515
2516 REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
2517 NIG_REG_LLH0_XCM_MASK, xcm_mask);
2518
127302bb
YR
2519 REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
2520 NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
bcab15c5 2521
d231023e 2522 /* Output enable for RX_XCM # IF */
127302bb
YR
2523 REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
2524 NIG_REG_XCM0_OUT_EN, xcm_out_en);
bcab15c5
VZ
2525
2526 /* HW PFC TX enable */
127302bb
YR
2527 REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
2528 NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
bcab15c5 2529
bcab15c5 2530 if (nig_params) {
619c5cb6 2531 u8 i = 0;
bcab15c5
VZ
2532 pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
2533
619c5cb6
VZ
2534 for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
2535 bnx2x_pfc_nig_rx_priority_mask(bp, i,
2536 nig_params->rx_cos_priority_mask[i], port);
bcab15c5
VZ
2537
2538 REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
2539 NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
2540 nig_params->llfc_high_priority_classes);
2541
2542 REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
2543 NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
2544 nig_params->llfc_low_priority_classes);
2545 }
2546 REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
2547 NIG_REG_P0_PKT_PRIORITY_TO_COS,
2548 pkt_priority_to_cos);
2549}
2550
9380bb9e 2551int bnx2x_update_pfc(struct link_params *params,
bcab15c5
VZ
2552 struct link_vars *vars,
2553 struct bnx2x_nig_brb_pfc_port_params *pfc_params)
2554{
8f73f0b9 2555 /* The PFC and pause are orthogonal to one another, meaning when
bcab15c5
VZ
2556 * PFC is enabled, the pause are disabled, and when PFC is
2557 * disabled, pause are set according to the pause result.
2558 */
2559 u32 val;
2560 struct bnx2x *bp = params->bp;
9380bb9e
YR
2561 int bnx2x_status = 0;
2562 u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
b8d6d082
YR
2563
2564 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2565 vars->link_status |= LINK_STATUS_PFC_ENABLED;
2566 else
2567 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
2568
2569 bnx2x_update_mng(params, vars->link_status);
2570
d231023e 2571 /* Update NIG params */
bcab15c5
VZ
2572 bnx2x_update_pfc_nig(params, vars, pfc_params);
2573
d231023e 2574 /* Update BRB params */
9380bb9e 2575 bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
de0396f4 2576 if (bnx2x_status)
9380bb9e 2577 return bnx2x_status;
bcab15c5
VZ
2578
2579 if (!vars->link_up)
9380bb9e 2580 return bnx2x_status;
bcab15c5
VZ
2581
2582 DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
9380bb9e
YR
2583 if (CHIP_IS_E3(bp))
2584 bnx2x_update_pfc_xmac(params, vars, 0);
2585 else {
2586 val = REG_RD(bp, MISC_REG_RESET_REG_2);
2587 if ((val &
3c9ada22 2588 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
9380bb9e
YR
2589 == 0) {
2590 DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
2591 bnx2x_emac_enable(params, vars, 0);
2592 return bnx2x_status;
2593 }
9380bb9e
YR
2594 if (CHIP_IS_E2(bp))
2595 bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
2596 else
2597 bnx2x_update_pfc_bmac1(params, vars);
2598
2599 val = 0;
2600 if ((params->feature_config_flags &
2601 FEATURE_CONFIG_PFC_ENABLED) ||
2602 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2603 val = 1;
2604 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2605 }
2606 return bnx2x_status;
bcab15c5 2607}
f2e0899f 2608
9380bb9e 2609
fcf5b650
YR
2610static int bnx2x_bmac1_enable(struct link_params *params,
2611 struct link_vars *vars,
2612 u8 is_lb)
ea4e040a
YR
2613{
2614 struct bnx2x *bp = params->bp;
2615 u8 port = params->port;
2616 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2617 NIG_REG_INGRESS_BMAC0_MEM;
2618 u32 wb_data[2];
2619 u32 val;
2620
f2e0899f 2621 DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
ea4e040a
YR
2622
2623 /* XGXS control */
2624 wb_data[0] = 0x3c;
2625 wb_data[1] = 0;
cd88ccee
YR
2626 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2627 wb_data, 2);
ea4e040a 2628
d231023e 2629 /* TX MAC SA */
ea4e040a
YR
2630 wb_data[0] = ((params->mac_addr[2] << 24) |
2631 (params->mac_addr[3] << 16) |
2632 (params->mac_addr[4] << 8) |
2633 params->mac_addr[5]);
2634 wb_data[1] = ((params->mac_addr[0] << 8) |
2635 params->mac_addr[1]);
cd88ccee 2636 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
ea4e040a 2637
d231023e 2638 /* MAC control */
ea4e040a
YR
2639 val = 0x3;
2640 if (is_lb) {
2641 val |= 0x4;
2642 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2643 }
2644 wb_data[0] = val;
2645 wb_data[1] = 0;
cd88ccee 2646 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
ea4e040a 2647
d231023e 2648 /* Set rx mtu */
ea4e040a
YR
2649 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2650 wb_data[1] = 0;
cd88ccee 2651 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
ea4e040a 2652
bcab15c5 2653 bnx2x_update_pfc_bmac1(params, vars);
ea4e040a 2654
d231023e 2655 /* Set tx mtu */
ea4e040a
YR
2656 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2657 wb_data[1] = 0;
cd88ccee 2658 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
ea4e040a 2659
d231023e 2660 /* Set cnt max size */
ea4e040a
YR
2661 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2662 wb_data[1] = 0;
cd88ccee 2663 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
ea4e040a 2664
d231023e 2665 /* Configure SAFC */
ea4e040a
YR
2666 wb_data[0] = 0x1000200;
2667 wb_data[1] = 0;
2668 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2669 wb_data, 2);
f2e0899f
DK
2670
2671 return 0;
2672}
2673
fcf5b650
YR
2674static int bnx2x_bmac2_enable(struct link_params *params,
2675 struct link_vars *vars,
2676 u8 is_lb)
f2e0899f
DK
2677{
2678 struct bnx2x *bp = params->bp;
2679 u8 port = params->port;
2680 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2681 NIG_REG_INGRESS_BMAC0_MEM;
2682 u32 wb_data[2];
2683
2684 DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
2685
2686 wb_data[0] = 0;
2687 wb_data[1] = 0;
cd88ccee 2688 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
f2e0899f
DK
2689 udelay(30);
2690
2691 /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2692 wb_data[0] = 0x3c;
2693 wb_data[1] = 0;
cd88ccee
YR
2694 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2695 wb_data, 2);
f2e0899f
DK
2696
2697 udelay(30);
2698
d231023e 2699 /* TX MAC SA */
f2e0899f
DK
2700 wb_data[0] = ((params->mac_addr[2] << 24) |
2701 (params->mac_addr[3] << 16) |
2702 (params->mac_addr[4] << 8) |
2703 params->mac_addr[5]);
2704 wb_data[1] = ((params->mac_addr[0] << 8) |
2705 params->mac_addr[1]);
2706 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
cd88ccee 2707 wb_data, 2);
f2e0899f
DK
2708
2709 udelay(30);
2710
2711 /* Configure SAFC */
2712 wb_data[0] = 0x1000200;
2713 wb_data[1] = 0;
2714 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
cd88ccee 2715 wb_data, 2);
f2e0899f
DK
2716 udelay(30);
2717
d231023e 2718 /* Set RX MTU */
f2e0899f
DK
2719 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2720 wb_data[1] = 0;
cd88ccee 2721 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
f2e0899f
DK
2722 udelay(30);
2723
d231023e 2724 /* Set TX MTU */
f2e0899f
DK
2725 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2726 wb_data[1] = 0;
cd88ccee 2727 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
f2e0899f 2728 udelay(30);
d231023e 2729 /* Set cnt max size */
f2e0899f
DK
2730 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
2731 wb_data[1] = 0;
cd88ccee 2732 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
f2e0899f 2733 udelay(30);
bcab15c5 2734 bnx2x_update_pfc_bmac2(params, vars, is_lb);
f2e0899f
DK
2735
2736 return 0;
2737}
2738
fcf5b650
YR
2739static int bnx2x_bmac_enable(struct link_params *params,
2740 struct link_vars *vars,
2741 u8 is_lb)
f2e0899f 2742{
fcf5b650
YR
2743 int rc = 0;
2744 u8 port = params->port;
f2e0899f
DK
2745 struct bnx2x *bp = params->bp;
2746 u32 val;
d231023e 2747 /* Reset and unreset the BigMac */
f2e0899f 2748 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
cd88ccee 2749 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
d231023e 2750 usleep_range(1000, 2000);
f2e0899f
DK
2751
2752 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
cd88ccee 2753 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
f2e0899f 2754
d231023e 2755 /* Enable access for bmac registers */
f2e0899f
DK
2756 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2757
2758 /* Enable BMAC according to BMAC type*/
2759 if (CHIP_IS_E2(bp))
2760 rc = bnx2x_bmac2_enable(params, vars, is_lb);
2761 else
2762 rc = bnx2x_bmac1_enable(params, vars, is_lb);
ea4e040a
YR
2763 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2764 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2765 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2766 val = 0;
bcab15c5
VZ
2767 if ((params->feature_config_flags &
2768 FEATURE_CONFIG_PFC_ENABLED) ||
2769 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
ea4e040a
YR
2770 val = 1;
2771 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2772 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2773 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2774 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2775 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2776 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2777
2778 vars->mac_type = MAC_TYPE_BMAC;
f2e0899f 2779 return rc;
ea4e040a
YR
2780}
2781
ea4e040a
YR
2782static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
2783{
2784 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
cd88ccee 2785 NIG_REG_INGRESS_BMAC0_MEM;
ea4e040a 2786 u32 wb_data[2];
3196a88a 2787 u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
ea4e040a
YR
2788
2789 /* Only if the bmac is out of reset */
2790 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
2791 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2792 nig_bmac_enable) {
2793
f2e0899f
DK
2794 if (CHIP_IS_E2(bp)) {
2795 /* Clear Rx Enable bit in BMAC_CONTROL register */
2796 REG_RD_DMAE(bp, bmac_addr +
cd88ccee
YR
2797 BIGMAC2_REGISTER_BMAC_CONTROL,
2798 wb_data, 2);
f2e0899f
DK
2799 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2800 REG_WR_DMAE(bp, bmac_addr +
cd88ccee
YR
2801 BIGMAC2_REGISTER_BMAC_CONTROL,
2802 wb_data, 2);
f2e0899f
DK
2803 } else {
2804 /* Clear Rx Enable bit in BMAC_CONTROL register */
2805 REG_RD_DMAE(bp, bmac_addr +
2806 BIGMAC_REGISTER_BMAC_CONTROL,
2807 wb_data, 2);
2808 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2809 REG_WR_DMAE(bp, bmac_addr +
2810 BIGMAC_REGISTER_BMAC_CONTROL,
2811 wb_data, 2);
2812 }
d231023e 2813 usleep_range(1000, 2000);
ea4e040a
YR
2814 }
2815}
2816
fcf5b650
YR
2817static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
2818 u32 line_speed)
ea4e040a
YR
2819{
2820 struct bnx2x *bp = params->bp;
2821 u8 port = params->port;
2822 u32 init_crd, crd;
2823 u32 count = 1000;
ea4e040a 2824
d231023e 2825 /* Disable port */
ea4e040a
YR
2826 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2827
d231023e 2828 /* Wait for init credit */
ea4e040a
YR
2829 init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
2830 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2831 DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
2832
2833 while ((init_crd != crd) && count) {
d231023e 2834 usleep_range(5000, 10000);
ea4e040a
YR
2835 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2836 count--;
2837 }
2838 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2839 if (init_crd != crd) {
2840 DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
2841 init_crd, crd);
2842 return -EINVAL;
2843 }
2844
c0700f90 2845 if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
8c99e7b0
YR
2846 line_speed == SPEED_10 ||
2847 line_speed == SPEED_100 ||
2848 line_speed == SPEED_1000 ||
2849 line_speed == SPEED_2500) {
2850 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
d231023e 2851 /* Update threshold */
ea4e040a 2852 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
d231023e 2853 /* Update init credit */
cd88ccee 2854 init_crd = 778; /* (800-18-4) */
ea4e040a
YR
2855
2856 } else {
2857 u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
2858 ETH_OVREHEAD)/16;
8c99e7b0 2859 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
d231023e 2860 /* Update threshold */
ea4e040a 2861 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
d231023e 2862 /* Update init credit */
ea4e040a 2863 switch (line_speed) {
ea4e040a
YR
2864 case SPEED_10000:
2865 init_crd = thresh + 553 - 22;
2866 break;
ea4e040a
YR
2867 default:
2868 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2869 line_speed);
2870 return -EINVAL;
ea4e040a
YR
2871 }
2872 }
2873 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2874 DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
2875 line_speed, init_crd);
2876
d231023e 2877 /* Probe the credit changes */
ea4e040a 2878 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
d231023e 2879 usleep_range(5000, 10000);
ea4e040a
YR
2880 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
2881
d231023e 2882 /* Enable port */
ea4e040a
YR
2883 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2884 return 0;
2885}
2886
e8920674
DK
2887/**
2888 * bnx2x_get_emac_base - retrive emac base address
2cf7acf9 2889 *
e8920674
DK
2890 * @bp: driver handle
2891 * @mdc_mdio_access: access type
2892 * @port: port id
2cf7acf9
YR
2893 *
2894 * This function selects the MDC/MDIO access (through emac0 or
2895 * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2896 * phy has a default access mode, which could also be overridden
2897 * by nvram configuration. This parameter, whether this is the
2898 * default phy configuration, or the nvram overrun
2899 * configuration, is passed here as mdc_mdio_access and selects
2900 * the emac_base for the CL45 read/writes operations
2901 */
c18aa15d
YR
2902static u32 bnx2x_get_emac_base(struct bnx2x *bp,
2903 u32 mdc_mdio_access, u8 port)
ea4e040a 2904{
c18aa15d
YR
2905 u32 emac_base = 0;
2906 switch (mdc_mdio_access) {
2907 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
2908 break;
2909 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
2910 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2911 emac_base = GRCBASE_EMAC1;
2912 else
2913 emac_base = GRCBASE_EMAC0;
2914 break;
2915 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
589abe3a
EG
2916 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2917 emac_base = GRCBASE_EMAC0;
2918 else
2919 emac_base = GRCBASE_EMAC1;
ea4e040a 2920 break;
c18aa15d
YR
2921 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
2922 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2923 break;
2924 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
6378c025 2925 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
ea4e040a
YR
2926 break;
2927 default:
ea4e040a
YR
2928 break;
2929 }
2930 return emac_base;
2931
2932}
2933
6583e33b
YR
2934/******************************************************************/
2935/* CL22 access functions */
2936/******************************************************************/
2937static int bnx2x_cl22_write(struct bnx2x *bp,
2938 struct bnx2x_phy *phy,
2939 u16 reg, u16 val)
2940{
2941 u32 tmp, mode;
2942 u8 i;
2943 int rc = 0;
2944 /* Switch to CL22 */
2945 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2946 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2947 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2948
d231023e 2949 /* Address */
6583e33b
YR
2950 tmp = ((phy->addr << 21) | (reg << 16) | val |
2951 EMAC_MDIO_COMM_COMMAND_WRITE_22 |
2952 EMAC_MDIO_COMM_START_BUSY);
2953 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2954
2955 for (i = 0; i < 50; i++) {
2956 udelay(10);
2957
2958 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2959 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2960 udelay(5);
2961 break;
2962 }
2963 }
2964 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2965 DP(NETIF_MSG_LINK, "write phy register failed\n");
2966 rc = -EFAULT;
2967 }
2968 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2969 return rc;
2970}
2971
2972static int bnx2x_cl22_read(struct bnx2x *bp,
2973 struct bnx2x_phy *phy,
2974 u16 reg, u16 *ret_val)
2975{
2976 u32 val, mode;
2977 u16 i;
2978 int rc = 0;
2979
2980 /* Switch to CL22 */
2981 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2982 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2983 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2984
d231023e 2985 /* Address */
6583e33b
YR
2986 val = ((phy->addr << 21) | (reg << 16) |
2987 EMAC_MDIO_COMM_COMMAND_READ_22 |
2988 EMAC_MDIO_COMM_START_BUSY);
2989 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2990
2991 for (i = 0; i < 50; i++) {
2992 udelay(10);
2993
2994 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2995 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2996 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2997 udelay(5);
2998 break;
2999 }
3000 }
3001 if (val & EMAC_MDIO_COMM_START_BUSY) {
3002 DP(NETIF_MSG_LINK, "read phy register failed\n");
3003
3004 *ret_val = 0;
3005 rc = -EFAULT;
3006 }
3007 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
3008 return rc;
3009}
3010
2cf7acf9
YR
3011/******************************************************************/
3012/* CL45 access functions */
3013/******************************************************************/
a198c142
YR
3014static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
3015 u8 devad, u16 reg, u16 *ret_val)
ea4e040a 3016{
a198c142
YR
3017 u32 val;
3018 u16 i;
fcf5b650 3019 int rc = 0;
157fa283
YR
3020 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3021 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3022 EMAC_MDIO_STATUS_10MB);
d231023e 3023 /* Address */
a198c142 3024 val = ((phy->addr << 21) | (devad << 16) | reg |
ea4e040a
YR
3025 EMAC_MDIO_COMM_COMMAND_ADDRESS |
3026 EMAC_MDIO_COMM_START_BUSY);
a198c142 3027 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
ea4e040a
YR
3028
3029 for (i = 0; i < 50; i++) {
3030 udelay(10);
3031
a198c142
YR
3032 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3033 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
ea4e040a
YR
3034 udelay(5);
3035 break;
3036 }
3037 }
a198c142
YR
3038 if (val & EMAC_MDIO_COMM_START_BUSY) {
3039 DP(NETIF_MSG_LINK, "read phy register failed\n");
6d870c39 3040 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
a198c142 3041 *ret_val = 0;
ea4e040a
YR
3042 rc = -EFAULT;
3043 } else {
d231023e 3044 /* Data */
a198c142
YR
3045 val = ((phy->addr << 21) | (devad << 16) |
3046 EMAC_MDIO_COMM_COMMAND_READ_45 |
ea4e040a 3047 EMAC_MDIO_COMM_START_BUSY);
a198c142 3048 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
ea4e040a
YR
3049
3050 for (i = 0; i < 50; i++) {
3051 udelay(10);
3052
a198c142 3053 val = REG_RD(bp, phy->mdio_ctrl +
cd88ccee 3054 EMAC_REG_EMAC_MDIO_COMM);
a198c142
YR
3055 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3056 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
ea4e040a
YR
3057 break;
3058 }
3059 }
a198c142
YR
3060 if (val & EMAC_MDIO_COMM_START_BUSY) {
3061 DP(NETIF_MSG_LINK, "read phy register failed\n");
6d870c39 3062 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
a198c142 3063 *ret_val = 0;
ea4e040a
YR
3064 rc = -EFAULT;
3065 }
3066 }
3c9ada22
YR
3067 /* Work around for E3 A0 */
3068 if (phy->flags & FLAGS_MDC_MDIO_WA) {
3069 phy->flags ^= FLAGS_DUMMY_READ;
3070 if (phy->flags & FLAGS_DUMMY_READ) {
3071 u16 temp_val;
3072 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
3073 }
3074 }
ea4e040a 3075
157fa283
YR
3076 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3077 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3078 EMAC_MDIO_STATUS_10MB);
ea4e040a
YR
3079 return rc;
3080}
3081
a198c142
YR
3082static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3083 u8 devad, u16 reg, u16 val)
ea4e040a 3084{
a198c142
YR
3085 u32 tmp;
3086 u8 i;
fcf5b650 3087 int rc = 0;
157fa283
YR
3088 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3089 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3090 EMAC_MDIO_STATUS_10MB);
ea4e040a 3091
d231023e 3092 /* Address */
a198c142 3093 tmp = ((phy->addr << 21) | (devad << 16) | reg |
ea4e040a
YR
3094 EMAC_MDIO_COMM_COMMAND_ADDRESS |
3095 EMAC_MDIO_COMM_START_BUSY);
a198c142 3096 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
ea4e040a
YR
3097
3098 for (i = 0; i < 50; i++) {
3099 udelay(10);
3100
a198c142
YR
3101 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3102 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
ea4e040a
YR
3103 udelay(5);
3104 break;
3105 }
3106 }
a198c142
YR
3107 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3108 DP(NETIF_MSG_LINK, "write phy register failed\n");
6d870c39 3109 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
ea4e040a 3110 rc = -EFAULT;
ea4e040a 3111 } else {
d231023e 3112 /* Data */
a198c142
YR
3113 tmp = ((phy->addr << 21) | (devad << 16) | val |
3114 EMAC_MDIO_COMM_COMMAND_WRITE_45 |
ea4e040a 3115 EMAC_MDIO_COMM_START_BUSY);
a198c142 3116 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
ea4e040a
YR
3117
3118 for (i = 0; i < 50; i++) {
3119 udelay(10);
3120
a198c142 3121 tmp = REG_RD(bp, phy->mdio_ctrl +
cd88ccee 3122 EMAC_REG_EMAC_MDIO_COMM);
a198c142
YR
3123 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3124 udelay(5);
ea4e040a
YR
3125 break;
3126 }
3127 }
a198c142
YR
3128 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3129 DP(NETIF_MSG_LINK, "write phy register failed\n");
6d870c39 3130 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
ea4e040a
YR
3131 rc = -EFAULT;
3132 }
3133 }
3c9ada22
YR
3134 /* Work around for E3 A0 */
3135 if (phy->flags & FLAGS_MDC_MDIO_WA) {
3136 phy->flags ^= FLAGS_DUMMY_READ;
3137 if (phy->flags & FLAGS_DUMMY_READ) {
3138 u16 temp_val;
3139 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
3140 }
3141 }
157fa283
YR
3142 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3143 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3144 EMAC_MDIO_STATUS_10MB);
3c9ada22
YR
3145 return rc;
3146}
ec4010ec
YM
3147
3148/******************************************************************/
3149/* EEE section */
3150/******************************************************************/
3151static u8 bnx2x_eee_has_cap(struct link_params *params)
3152{
3153 struct bnx2x *bp = params->bp;
3154
3155 if (REG_RD(bp, params->shmem2_base) <=
3156 offsetof(struct shmem2_region, eee_status[params->port]))
3157 return 0;
3158
3159 return 1;
3160}
3161
3162static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
3163{
3164 switch (nvram_mode) {
3165 case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
3166 *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
3167 break;
3168 case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
3169 *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
3170 break;
3171 case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
3172 *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
3173 break;
3174 default:
3175 *idle_timer = 0;
3176 break;
3177 }
3178
3179 return 0;
3180}
3181
3182static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
3183{
3184 switch (idle_timer) {
3185 case EEE_MODE_NVRAM_BALANCED_TIME:
3186 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
3187 break;
3188 case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
3189 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
3190 break;
3191 case EEE_MODE_NVRAM_LATENCY_TIME:
3192 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
3193 break;
3194 default:
3195 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
3196 break;
3197 }
3198
3199 return 0;
3200}
3201
3202static u32 bnx2x_eee_calc_timer(struct link_params *params)
3203{
3204 u32 eee_mode, eee_idle;
3205 struct bnx2x *bp = params->bp;
3206
3207 if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
3208 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
3209 /* time value in eee_mode --> used directly*/
3210 eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
3211 } else {
3212 /* hsi value in eee_mode --> time */
3213 if (bnx2x_eee_nvram_to_time(params->eee_mode &
3214 EEE_MODE_NVRAM_MASK,
3215 &eee_idle))
3216 return 0;
3217 }
3218 } else {
3219 /* hsi values in nvram --> time*/
3220 eee_mode = ((REG_RD(bp, params->shmem_base +
3221 offsetof(struct shmem_region, dev_info.
3222 port_feature_config[params->port].
3223 eee_power_mode)) &
3224 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
3225 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
3226
3227 if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
3228 return 0;
3229 }
3230
3231 return eee_idle;
3232}
3233
3234static int bnx2x_eee_set_timers(struct link_params *params,
3235 struct link_vars *vars)
3236{
3237 u32 eee_idle = 0, eee_mode;
3238 struct bnx2x *bp = params->bp;
3239
3240 eee_idle = bnx2x_eee_calc_timer(params);
3241
3242 if (eee_idle) {
3243 REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
3244 eee_idle);
3245 } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
3246 (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
3247 (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
3248 DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
3249 return -EINVAL;
3250 }
3251
3252 vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
3253 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
3254 /* eee_idle in 1u --> eee_status in 16u */
3255 eee_idle >>= 4;
3256 vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
3257 SHMEM_EEE_TIME_OUTPUT_BIT;
3258 } else {
3259 if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
3260 return -EINVAL;
3261 vars->eee_status |= eee_mode;
3262 }
3263
3264 return 0;
3265}
3266
3267static int bnx2x_eee_initial_config(struct link_params *params,
3268 struct link_vars *vars, u8 mode)
3269{
3270 vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
3271
3272 /* Propogate params' bits --> vars (for migration exposure) */
3273 if (params->eee_mode & EEE_MODE_ENABLE_LPI)
3274 vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
3275 else
3276 vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
3277
3278 if (params->eee_mode & EEE_MODE_ADV_LPI)
3279 vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
3280 else
3281 vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
3282
3283 return bnx2x_eee_set_timers(params, vars);
3284}
3285
3286static int bnx2x_eee_disable(struct bnx2x_phy *phy,
3287 struct link_params *params,
3288 struct link_vars *vars)
3289{
3290 struct bnx2x *bp = params->bp;
3291
3292 /* Make Certain LPI is disabled */
3293 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
3294
3295 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
3296
3297 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
3298
3299 return 0;
3300}
3301
3302static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
3303 struct link_params *params,
3304 struct link_vars *vars, u8 modes)
3305{
3306 struct bnx2x *bp = params->bp;
3307 u16 val = 0;
3308
3309 /* Mask events preventing LPI generation */
3310 REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
3311
3312 if (modes & SHMEM_EEE_10G_ADV) {
3313 DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
3314 val |= 0x8;
3315 }
3316 if (modes & SHMEM_EEE_1G_ADV) {
3317 DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
3318 val |= 0x4;
3319 }
3320
3321 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
3322
3323 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
3324 vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
3325
3326 return 0;
3327}
3328
3329static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
3330{
3331 struct bnx2x *bp = params->bp;
3332
3333 if (bnx2x_eee_has_cap(params))
3334 REG_WR(bp, params->shmem2_base +
3335 offsetof(struct shmem2_region,
3336 eee_status[params->port]), eee_status);
3337}
3338
3339static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
3340 struct link_params *params,
3341 struct link_vars *vars)
3342{
3343 struct bnx2x *bp = params->bp;
3344 u16 adv = 0, lp = 0;
3345 u32 lp_adv = 0;
3346 u8 neg = 0;
3347
3348 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
3349 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
3350
3351 if (lp & 0x2) {
3352 lp_adv |= SHMEM_EEE_100M_ADV;
3353 if (adv & 0x2) {
3354 if (vars->line_speed == SPEED_100)
3355 neg = 1;
3356 DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
3357 }
3358 }
3359 if (lp & 0x14) {
3360 lp_adv |= SHMEM_EEE_1G_ADV;
3361 if (adv & 0x14) {
3362 if (vars->line_speed == SPEED_1000)
3363 neg = 1;
3364 DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
3365 }
3366 }
3367 if (lp & 0x68) {
3368 lp_adv |= SHMEM_EEE_10G_ADV;
3369 if (adv & 0x68) {
3370 if (vars->line_speed == SPEED_10000)
3371 neg = 1;
3372 DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
3373 }
3374 }
3375
3376 vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
3377 vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
3378
3379 if (neg) {
3380 DP(NETIF_MSG_LINK, "EEE is active\n");
3381 vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
3382 }
3383
3384}
3385
3c9ada22
YR
3386/******************************************************************/
3387/* BSC access functions from E3 */
3388/******************************************************************/
3389static void bnx2x_bsc_module_sel(struct link_params *params)
3390{
3391 int idx;
3392 u32 board_cfg, sfp_ctrl;
3393 u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3394 struct bnx2x *bp = params->bp;
3395 u8 port = params->port;
3396 /* Read I2C output PINs */
3397 board_cfg = REG_RD(bp, params->shmem_base +
3398 offsetof(struct shmem_region,
3399 dev_info.shared_hw_config.board));
3400 i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3401 i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3402 SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3403
3404 /* Read I2C output value */
3405 sfp_ctrl = REG_RD(bp, params->shmem_base +
3406 offsetof(struct shmem_region,
3407 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3408 i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3409 i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3410 DP(NETIF_MSG_LINK, "Setting BSC switch\n");
3411 for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3412 bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
3413}
3414
3415static int bnx2x_bsc_read(struct link_params *params,
3416 struct bnx2x_phy *phy,
3417 u8 sl_devid,
3418 u16 sl_addr,
3419 u8 lc_addr,
3420 u8 xfer_cnt,
3421 u32 *data_array)
3422{
3423 u32 val, i;
3424 int rc = 0;
3425 struct bnx2x *bp = params->bp;
3426
3427 if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
3428 DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
3429 return -EINVAL;
3430 }
3431
3432 if (xfer_cnt > 16) {
3433 DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
3434 xfer_cnt);
3435 return -EINVAL;
3436 }
3437 bnx2x_bsc_module_sel(params);
3438
3439 xfer_cnt = 16 - lc_addr;
3440
d231023e 3441 /* Enable the engine */
3c9ada22
YR
3442 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3443 val |= MCPR_IMC_COMMAND_ENABLE;
3444 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3445
d231023e 3446 /* Program slave device ID */
3c9ada22
YR
3447 val = (sl_devid << 16) | sl_addr;
3448 REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3449
d231023e 3450 /* Start xfer with 0 byte to update the address pointer ???*/
3c9ada22
YR
3451 val = (MCPR_IMC_COMMAND_ENABLE) |
3452 (MCPR_IMC_COMMAND_WRITE_OP <<
3453 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3454 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3455 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3456
d231023e 3457 /* Poll for completion */
3c9ada22
YR
3458 i = 0;
3459 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3460 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3461 udelay(10);
3462 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3463 if (i++ > 1000) {
3464 DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
3465 i);
3466 rc = -EFAULT;
3467 break;
3468 }
3469 }
3470 if (rc == -EFAULT)
3471 return rc;
3472
d231023e 3473 /* Start xfer with read op */
3c9ada22
YR
3474 val = (MCPR_IMC_COMMAND_ENABLE) |
3475 (MCPR_IMC_COMMAND_READ_OP <<
3476 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3477 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3478 (xfer_cnt);
3479 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3480
d231023e 3481 /* Poll for completion */
3c9ada22
YR
3482 i = 0;
3483 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3484 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3485 udelay(10);
3486 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3487 if (i++ > 1000) {
3488 DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
3489 rc = -EFAULT;
3490 break;
3491 }
3492 }
3493 if (rc == -EFAULT)
3494 return rc;
3495
3496 for (i = (lc_addr >> 2); i < 4; i++) {
3497 data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3498#ifdef __BIG_ENDIAN
3499 data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3500 ((data_array[i] & 0x0000ff00) << 8) |
3501 ((data_array[i] & 0x00ff0000) >> 8) |
3502 ((data_array[i] & 0xff000000) >> 24);
3503#endif
3504 }
ea4e040a
YR
3505 return rc;
3506}
3507
3c9ada22
YR
3508static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3509 u8 devad, u16 reg, u16 or_val)
3510{
3511 u16 val;
3512 bnx2x_cl45_read(bp, phy, devad, reg, &val);
3513 bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
3514}
3515
fcf5b650
YR
3516int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
3517 u8 devad, u16 reg, u16 *ret_val)
e10bc84d
YR
3518{
3519 u8 phy_index;
8f73f0b9 3520 /* Probe for the phy according to the given phy_addr, and execute
e10bc84d
YR
3521 * the read request on it
3522 */
3523 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3524 if (params->phy[phy_index].addr == phy_addr) {
3525 return bnx2x_cl45_read(params->bp,
3526 &params->phy[phy_index], devad,
3527 reg, ret_val);
3528 }
3529 }
3530 return -EINVAL;
3531}
3532
fcf5b650
YR
3533int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
3534 u8 devad, u16 reg, u16 val)
e10bc84d
YR
3535{
3536 u8 phy_index;
8f73f0b9 3537 /* Probe for the phy according to the given phy_addr, and execute
e10bc84d
YR
3538 * the write request on it
3539 */
3540 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3541 if (params->phy[phy_index].addr == phy_addr) {
3542 return bnx2x_cl45_write(params->bp,
3543 &params->phy[phy_index], devad,
3544 reg, val);
3545 }
3546 }
3547 return -EINVAL;
3548}
3c9ada22
YR
3549static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
3550 struct link_params *params)
3551{
3552 u8 lane = 0;
3553 struct bnx2x *bp = params->bp;
3554 u32 path_swap, path_swap_ovr;
3555 u8 path, port;
3556
3557 path = BP_PATH(bp);
3558 port = params->port;
3559
3560 if (bnx2x_is_4_port_mode(bp)) {
3561 u32 port_swap, port_swap_ovr;
3562
8f73f0b9 3563 /* Figure out path swap value */
3c9ada22
YR
3564 path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
3565 if (path_swap_ovr & 0x1)
3566 path_swap = (path_swap_ovr & 0x2);
3567 else
3568 path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
3569
3570 if (path_swap)
3571 path = path ^ 1;
3572
8f73f0b9 3573 /* Figure out port swap value */
3c9ada22
YR
3574 port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
3575 if (port_swap_ovr & 0x1)
3576 port_swap = (port_swap_ovr & 0x2);
3577 else
3578 port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
3579
3580 if (port_swap)
3581 port = port ^ 1;
3582
3583 lane = (port<<1) + path;
d231023e 3584 } else { /* Two port mode - no port swap */
3c9ada22 3585
8f73f0b9 3586 /* Figure out path swap value */
3c9ada22
YR
3587 path_swap_ovr =
3588 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3589 if (path_swap_ovr & 0x1) {
3590 path_swap = (path_swap_ovr & 0x2);
3591 } else {
3592 path_swap =
3593 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
3594 }
3595 if (path_swap)
3596 path = path ^ 1;
3597
3598 lane = path << 1 ;
3599 }
3600 return lane;
3601}
e10bc84d 3602
ec146a6f
YR
3603static void bnx2x_set_aer_mmd(struct link_params *params,
3604 struct bnx2x_phy *phy)
ea4e040a 3605{
ea4e040a 3606 u32 ser_lane;
f2e0899f
DK
3607 u16 offset, aer_val;
3608 struct bnx2x *bp = params->bp;
ea4e040a
YR
3609 ser_lane = ((params->lane_config &
3610 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3611 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3612
ec146a6f
YR
3613 offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3614 (phy->addr + ser_lane) : 0;
3615
3c9ada22
YR
3616 if (USES_WARPCORE(bp)) {
3617 aer_val = bnx2x_get_warpcore_lane(phy, params);
8f73f0b9 3618 /* In Dual-lane mode, two lanes are joined together,
3c9ada22
YR
3619 * so in order to configure them, the AER broadcast method is
3620 * used here.
3621 * 0x200 is the broadcast address for lanes 0,1
3622 * 0x201 is the broadcast address for lanes 2,3
3623 */
3624 if (phy->flags & FLAGS_WC_DUAL_MODE)
3625 aer_val = (aer_val >> 1) | 0x200;
3626 } else if (CHIP_IS_E2(bp))
82a0d475 3627 aer_val = 0x3800 + offset - 1;
f2e0899f
DK
3628 else
3629 aer_val = 0x3800 + offset;
2f751a80 3630
cd2be89b 3631 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
cd88ccee 3632 MDIO_AER_BLOCK_AER_REG, aer_val);
ec146a6f 3633
ea4e040a
YR
3634}
3635
de6eae1f
YR
3636/******************************************************************/
3637/* Internal phy section */
3638/******************************************************************/
ea4e040a 3639
de6eae1f
YR
3640static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
3641{
3642 u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
ea4e040a 3643
de6eae1f
YR
3644 /* Set Clause 22 */
3645 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
3646 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
3647 udelay(500);
3648 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3649 udelay(500);
3650 /* Set Clause 45 */
3651 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
ea4e040a
YR
3652}
3653
de6eae1f 3654static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
ea4e040a 3655{
de6eae1f 3656 u32 val;
ea4e040a 3657
de6eae1f 3658 DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
ea4e040a 3659
de6eae1f 3660 val = SERDES_RESET_BITS << (port*16);
c1b73990 3661
d231023e 3662 /* Reset and unreset the SerDes/XGXS */
de6eae1f
YR
3663 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3664 udelay(500);
3665 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
ea4e040a 3666
de6eae1f 3667 bnx2x_set_serdes_access(bp, port);
ea4e040a 3668
cd88ccee
YR
3669 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3670 DEFAULT_PHY_DEV_ADDR);
de6eae1f
YR
3671}
3672
3673static void bnx2x_xgxs_deassert(struct link_params *params)
3674{
3675 struct bnx2x *bp = params->bp;
3676 u8 port;
3677 u32 val;
3678 DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
3679 port = params->port;
3680
3681 val = XGXS_RESET_BITS << (port*16);
3682
d231023e 3683 /* Reset and unreset the SerDes/XGXS */
de6eae1f
YR
3684 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3685 udelay(500);
3686 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3687
cd88ccee 3688 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
de6eae1f 3689 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
cd88ccee 3690 params->phy[INT_PHY].def_md_devad);
de6eae1f
YR
3691}
3692
9045f6b4
YR
3693static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
3694 struct link_params *params, u16 *ieee_fc)
3695{
3696 struct bnx2x *bp = params->bp;
3697 *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
8f73f0b9 3698 /* Resolve pause mode and advertisement Please refer to Table
9045f6b4
YR
3699 * 28B-3 of the 802.3ab-1999 spec
3700 */
3701
3702 switch (phy->req_flow_ctrl) {
3703 case BNX2X_FLOW_CTRL_AUTO:
3704 if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
3705 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3706 else
3707 *ieee_fc |=
3708 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3709 break;
3710
3711 case BNX2X_FLOW_CTRL_TX:
3712 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3713 break;
3714
3715 case BNX2X_FLOW_CTRL_RX:
3716 case BNX2X_FLOW_CTRL_BOTH:
3717 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3718 break;
3719
3720 case BNX2X_FLOW_CTRL_NONE:
3721 default:
3722 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3723 break;
3724 }
3725 DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
3726}
3727
3728static void set_phy_vars(struct link_params *params,
3729 struct link_vars *vars)
3730{
3731 struct bnx2x *bp = params->bp;
3732 u8 actual_phy_idx, phy_index, link_cfg_idx;
3733 u8 phy_config_swapped = params->multi_phy_config &
3734 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
3735 for (phy_index = INT_PHY; phy_index < params->num_phys;
3736 phy_index++) {
3737 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
3738 actual_phy_idx = phy_index;
3739 if (phy_config_swapped) {
3740 if (phy_index == EXT_PHY1)
3741 actual_phy_idx = EXT_PHY2;
3742 else if (phy_index == EXT_PHY2)
3743 actual_phy_idx = EXT_PHY1;
3744 }
3745 params->phy[actual_phy_idx].req_flow_ctrl =
3746 params->req_flow_ctrl[link_cfg_idx];
3747
3748 params->phy[actual_phy_idx].req_line_speed =
3749 params->req_line_speed[link_cfg_idx];
3750
3751 params->phy[actual_phy_idx].speed_cap_mask =
3752 params->speed_cap_mask[link_cfg_idx];
a22f0788 3753
9045f6b4
YR
3754 params->phy[actual_phy_idx].req_duplex =
3755 params->req_duplex[link_cfg_idx];
3756
3757 if (params->req_line_speed[link_cfg_idx] ==
3758 SPEED_AUTO_NEG)
3759 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3760
3761 DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
3762 " speed_cap_mask %x\n",
3763 params->phy[actual_phy_idx].req_flow_ctrl,
3764 params->phy[actual_phy_idx].req_line_speed,
3765 params->phy[actual_phy_idx].speed_cap_mask);
3766 }
3767}
3768
3769static void bnx2x_ext_phy_set_pause(struct link_params *params,
3770 struct bnx2x_phy *phy,
3771 struct link_vars *vars)
3772{
3773 u16 val;
3774 struct bnx2x *bp = params->bp;
d231023e 3775 /* Read modify write pause advertizing */
9045f6b4
YR
3776 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3777
3778 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3779
3780 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3781 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3782 if ((vars->ieee_fc &
3783 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3784 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3785 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3786 }
3787 if ((vars->ieee_fc &
3788 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3789 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3790 val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3791 }
3792 DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3793 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3794}
3795
3796static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
3797{ /* LD LP */
3798 switch (pause_result) { /* ASYM P ASYM P */
3799 case 0xb: /* 1 0 1 1 */
3800 vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
3801 break;
3802
3803 case 0xe: /* 1 1 1 0 */
3804 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3805 break;
3806
3807 case 0x5: /* 0 1 0 1 */
3808 case 0x7: /* 0 1 1 1 */
3809 case 0xd: /* 1 1 0 1 */
3810 case 0xf: /* 1 1 1 1 */
3811 vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
3812 break;
3813
3814 default:
3815 break;
3816 }
3817 if (pause_result & (1<<0))
3818 vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3819 if (pause_result & (1<<1))
3820 vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
8f73f0b9 3821
9045f6b4
YR
3822}
3823
9e7e8399
MY
3824static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
3825 struct link_params *params,
3826 struct link_vars *vars)
9045f6b4 3827{
9045f6b4
YR
3828 u16 ld_pause; /* local */
3829 u16 lp_pause; /* link partner */
3830 u16 pause_result;
9e7e8399
MY
3831 struct bnx2x *bp = params->bp;
3832 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
3833 bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
3834 bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
ca05f29c
YR
3835 } else if (CHIP_IS_E3(bp) &&
3836 SINGLE_MEDIA_DIRECT(params)) {
3837 u8 lane = bnx2x_get_warpcore_lane(phy, params);
3838 u16 gp_status, gp_mask;
3839 bnx2x_cl45_read(bp, phy,
3840 MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
3841 &gp_status);
3842 gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
3843 MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
3844 lane;
3845 if ((gp_status & gp_mask) == gp_mask) {
3846 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3847 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3848 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3849 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3850 } else {
3851 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3852 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3853 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3854 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3855 ld_pause = ((ld_pause &
3856 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3857 << 3);
3858 lp_pause = ((lp_pause &
3859 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3860 << 3);
3861 }
9e7e8399
MY
3862 } else {
3863 bnx2x_cl45_read(bp, phy,
3864 MDIO_AN_DEVAD,
3865 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3866 bnx2x_cl45_read(bp, phy,
3867 MDIO_AN_DEVAD,
3868 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3869 }
3870 pause_result = (ld_pause &
3871 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3872 pause_result |= (lp_pause &
3873 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3874 DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
3875 bnx2x_pause_resolve(vars, pause_result);
9045f6b4 3876
9e7e8399 3877}
8f73f0b9 3878
9e7e8399
MY
3879static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3880 struct link_params *params,
3881 struct link_vars *vars)
3882{
3883 u8 ret = 0;
9045f6b4 3884 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
9e7e8399
MY
3885 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
3886 /* Update the advertised flow-controled of LD/LP in AN */
3887 if (phy->req_line_speed == SPEED_AUTO_NEG)
3888 bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3889 /* But set the flow-control result as the requested one */
9045f6b4 3890 vars->flow_ctrl = phy->req_flow_ctrl;
9e7e8399 3891 } else if (phy->req_line_speed != SPEED_AUTO_NEG)
9045f6b4
YR
3892 vars->flow_ctrl = params->req_fc_auto_adv;
3893 else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3894 ret = 1;
9e7e8399 3895 bnx2x_ext_phy_update_adv_fc(phy, params, vars);
9045f6b4
YR
3896 }
3897 return ret;
3898}
3c9ada22
YR
3899/******************************************************************/
3900/* Warpcore section */
3901/******************************************************************/
3902/* The init_internal_warpcore should mirror the xgxs,
3903 * i.e. reset the lane (if needed), set aer for the
3904 * init configuration, and set/clear SGMII flag. Internal
3905 * phy init is done purely in phy_init stage.
3906 */
ec4010ec
YM
3907
3908static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
3909 struct link_params *params)
3910{
3911 struct bnx2x *bp = params->bp;
3912
3913 DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
3914 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3915 MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
3916 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3917 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
3918}
3919
3c9ada22
YR
3920static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
3921 struct link_params *params,
3922 struct link_vars *vars) {
a351d497
YM
3923 u16 val16 = 0, lane, i;
3924 struct bnx2x *bp = params->bp;
3925 static struct bnx2x_reg_set reg_set[] = {
3926 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3927 {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0},
3928 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0},
3929 {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff},
3930 {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555},
3931 {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
3932 {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
3933 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
3934 /* Disable Autoneg: re-enable it after adv is done. */
3935 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0}
3936 };
3c9ada22 3937 DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
6a51c0d1 3938 /* Set to default registers that may be overriden by 10G force */
a351d497
YM
3939 for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
3940 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3941 reg_set[i].val);
a9077bfd 3942
3c9ada22
YR
3943 /* Check adding advertisement for 1G KX */
3944 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3945 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3946 (vars->line_speed == SPEED_1000)) {
a351d497 3947 u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
3c9ada22
YR
3948 val16 |= (1<<5);
3949
3950 /* Enable CL37 1G Parallel Detect */
a351d497 3951 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
3c9ada22
YR
3952 DP(NETIF_MSG_LINK, "Advertize 1G\n");
3953 }
3954 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3955 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
3956 (vars->line_speed == SPEED_10000)) {
3957 /* Check adding advertisement for 10G KR */
3958 val16 |= (1<<7);
3959 /* Enable 10G Parallel Detect */
3960 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
a351d497 3961 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
3c9ada22
YR
3962
3963 DP(NETIF_MSG_LINK, "Advertize 10G\n");
3964 }
3965
3966 /* Set Transmit PMD settings */
3967 lane = bnx2x_get_warpcore_lane(phy, params);
3968 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3969 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3970 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3971 (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3972 (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
3973 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3974 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
3975 0x03f0);
3976 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3977 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
3978 0x03f0);
3c9ada22
YR
3979
3980 /* Advertised speeds */
3981 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3982 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
3983
6b1f3900
YR
3984 /* Advertised and set FEC (Forward Error Correction) */
3985 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3986 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
3987 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
3988 MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
3989
a34bc969
YR
3990 /* Enable CL37 BAM */
3991 if (REG_RD(bp, params->shmem_base +
3992 offsetof(struct shmem_region, dev_info.
3993 port_hw_config[params->port].default_cfg)) &
3994 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
a351d497
YM
3995 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3996 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
3997 1);
a34bc969
YR
3998 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
3999 }
4000
3c9ada22
YR
4001 /* Advertise pause */
4002 bnx2x_ext_phy_set_pause(params, phy, vars);
8f73f0b9 4003 /* Set KR Autoneg Work-Around flag for Warpcore version older than D108
6ab48a5c
YR
4004 */
4005 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4006 MDIO_WC_REG_UC_INFO_B1_VERSION, &val16);
4007 if (val16 < 0xd108) {
4008 DP(NETIF_MSG_LINK, "Enable AN KR work-around\n");
4009 vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
4010 }
a351d497
YM
4011 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4012 MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
a9077bfd
YR
4013
4014 /* Over 1G - AN local device user page 1 */
4015 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4016 MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
4017
4018 /* Enable Autoneg */
4019 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
1b85ae52 4020 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
a9077bfd 4021
3c9ada22
YR
4022}
4023
4024static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
4025 struct link_params *params,
4026 struct link_vars *vars)
4027{
4028 struct bnx2x *bp = params->bp;
a351d497
YM
4029 u16 i;
4030 static struct bnx2x_reg_set reg_set[] = {
4031 /* Disable Autoneg */
4032 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
4033 {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0},
4034 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
4035 0x3f00},
4036 {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
4037 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
4038 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
4039 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
4040 /* Disable CL36 PCS Tx */
4041 {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0},
4042 /* Double Wide Single Data Rate @ pll rate */
4043 {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF},
4044 /* Leave cl72 training enable, needed for KR */
4045 {MDIO_PMA_DEVAD,
3c9ada22 4046 MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
a351d497
YM
4047 0x2}
4048 };
4049
4050 for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
4051 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
4052 reg_set[i].val);
3c9ada22
YR
4053
4054 /* Leave CL72 enabled */
a351d497
YM
4055 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4056 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
4057 0x3800);
3c9ada22
YR
4058
4059 /* Set speed via PMA/PMD register */
4060 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
4061 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
4062
4063 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
4064 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
4065
8f73f0b9 4066 /* Enable encoded forced speed */
3c9ada22
YR
4067 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4068 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
4069
4070 /* Turn TX scramble payload only the 64/66 scrambler */
4071 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4072 MDIO_WC_REG_TX66_CONTROL, 0x9);
4073
4074 /* Turn RX scramble payload only the 64/66 scrambler */
4075 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4076 MDIO_WC_REG_RX66_CONTROL, 0xF9);
4077
d231023e 4078 /* Set and clear loopback to cause a reset to 64/66 decoder */
3c9ada22
YR
4079 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4080 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
4081 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4082 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
4083
4084}
4085
4086static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
4087 struct link_params *params,
4088 u8 is_xfi)
4089{
4090 struct bnx2x *bp = params->bp;
4091 u16 misc1_val, tap_val, tx_driver_val, lane, val;
4092 /* Hold rxSeqStart */
a351d497
YM
4093 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4094 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
3c9ada22
YR
4095
4096 /* Hold tx_fifo_reset */
a351d497
YM
4097 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4098 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
3c9ada22
YR
4099
4100 /* Disable CL73 AN */
4101 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
4102
4103 /* Disable 100FX Enable and Auto-Detect */
4104 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4105 MDIO_WC_REG_FX100_CTRL1, &val);
4106 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4107 MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
4108
4109 /* Disable 100FX Idle detect */
a351d497
YM
4110 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4111 MDIO_WC_REG_FX100_CTRL3, 0x0080);
3c9ada22
YR
4112
4113 /* Set Block address to Remote PHY & Clear forced_speed[5] */
4114 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4115 MDIO_WC_REG_DIGITAL4_MISC3, &val);
4116 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4117 MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
4118
4119 /* Turn off auto-detect & fiber mode */
4120 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4121 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
4122 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4123 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4124 (val & 0xFFEE));
4125
4126 /* Set filter_force_link, disable_false_link and parallel_detect */
4127 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4128 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
4129 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4130 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4131 ((val | 0x0006) & 0xFFFE));
4132
4133 /* Set XFI / SFI */
4134 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4135 MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
4136
4137 misc1_val &= ~(0x1f);
4138
4139 if (is_xfi) {
4140 misc1_val |= 0x5;
4141 tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
4142 (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
4143 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
4144 tx_driver_val =
4145 ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
4146 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
4147 (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
4148
4149 } else {
4150 misc1_val |= 0x9;
25182fc2
YR
4151 tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
4152 (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
4153 (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
3c9ada22 4154 tx_driver_val =
25182fc2 4155 ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3c9ada22 4156 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
25182fc2 4157 (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
3c9ada22
YR
4158 }
4159 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4160 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
4161
4162 /* Set Transmit PMD settings */
4163 lane = bnx2x_get_warpcore_lane(phy, params);
4164 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4165 MDIO_WC_REG_TX_FIR_TAP,
4166 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
4167 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4168 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4169 tx_driver_val);
4170
4171 /* Enable fiber mode, enable and invert sig_det */
a351d497
YM
4172 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4173 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
3c9ada22
YR
4174
4175 /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
a351d497
YM
4176 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4177 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
3c9ada22 4178
ec4010ec 4179 bnx2x_warpcore_set_lpi_passthrough(phy, params);
c8c60d88 4180
3c9ada22
YR
4181 /* 10G XFI Full Duplex */
4182 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4183 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
4184
4185 /* Release tx_fifo_reset */
4186 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4187 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
4188 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4189 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
4190
4191 /* Release rxSeqStart */
4192 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4193 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
4194 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4195 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
4196}
4197
4198static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
4199 struct bnx2x_phy *phy)
4200{
4201 DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
4202}
4203
4204static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
4205 struct bnx2x_phy *phy,
4206 u16 lane)
4207{
4208 /* Rx0 anaRxControl1G */
4209 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4210 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
4211
4212 /* Rx2 anaRxControl1G */
4213 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4214 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
4215
4216 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4217 MDIO_WC_REG_RX66_SCW0, 0xE070);
4218
4219 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4220 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
4221
4222 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4223 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
4224
4225 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4226 MDIO_WC_REG_RX66_SCW3, 0x8090);
4227
4228 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4229 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
4230
4231 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4232 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
4233
4234 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4235 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
4236
4237 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4238 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
4239
4240 /* Serdes Digital Misc1 */
4241 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4242 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
4243
4244 /* Serdes Digital4 Misc3 */
4245 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4246 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
4247
4248 /* Set Transmit PMD settings */
4249 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4250 MDIO_WC_REG_TX_FIR_TAP,
4251 ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
4252 (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
4253 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
4254 MDIO_WC_REG_TX_FIR_TAP_ENABLE));
4255 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4256 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4257 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
4258 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
4259 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
4260}
4261
4262static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
4263 struct link_params *params,
521683da
YR
4264 u8 fiber_mode,
4265 u8 always_autoneg)
3c9ada22
YR
4266{
4267 struct bnx2x *bp = params->bp;
4268 u16 val16, digctrl_kx1, digctrl_kx2;
3c9ada22
YR
4269
4270 /* Clear XFI clock comp in non-10G single lane mode. */
4271 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4272 MDIO_WC_REG_RX66_CONTROL, &val16);
4273 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4274 MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
4275
26964bb7
YM
4276 bnx2x_warpcore_set_lpi_passthrough(phy, params);
4277
521683da 4278 if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
3c9ada22
YR
4279 /* SGMII Autoneg */
4280 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4281 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4282 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4283 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4284 val16 | 0x1000);
4285 DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
4286 } else {
4287 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4288 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
521683da 4289 val16 &= 0xcebf;
3c9ada22
YR
4290 switch (phy->req_line_speed) {
4291 case SPEED_10:
4292 break;
4293 case SPEED_100:
4294 val16 |= 0x2000;
4295 break;
4296 case SPEED_1000:
4297 val16 |= 0x0040;
4298 break;
4299 default:
94f05b0f
JP
4300 DP(NETIF_MSG_LINK,
4301 "Speed not supported: 0x%x\n", phy->req_line_speed);
3c9ada22
YR
4302 return;
4303 }
4304
4305 if (phy->req_duplex == DUPLEX_FULL)
4306 val16 |= 0x0100;
4307
4308 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4309 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
4310
4311 DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
4312 phy->req_line_speed);
4313 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4314 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4315 DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
4316 }
4317
4318 /* SGMII Slave mode and disable signal detect */
4319 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4320 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
4321 if (fiber_mode)
4322 digctrl_kx1 = 1;
4323 else
4324 digctrl_kx1 &= 0xff4a;
4325
4326 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4327 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4328 digctrl_kx1);
4329
4330 /* Turn off parallel detect */
4331 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4332 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
4333 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4334 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4335 (digctrl_kx2 & ~(1<<2)));
4336
4337 /* Re-enable parallel detect */
4338 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4339 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4340 (digctrl_kx2 | (1<<2)));
4341
4342 /* Enable autodet */
4343 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4344 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4345 (digctrl_kx1 | 0x10));
4346}
4347
4348static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
4349 struct bnx2x_phy *phy,
4350 u8 reset)
4351{
4352 u16 val;
4353 /* Take lane out of reset after configuration is finished */
4354 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4355 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4356 if (reset)
4357 val |= 0xC000;
4358 else
4359 val &= 0x3FFF;
4360 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4361 MDIO_WC_REG_DIGITAL5_MISC6, val);
4362 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4363 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4364}
2f751a80 4365/* Clear SFI/XFI link settings registers */
3c9ada22
YR
4366static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
4367 struct link_params *params,
4368 u16 lane)
4369{
4370 struct bnx2x *bp = params->bp;
a351d497
YM
4371 u16 i;
4372 static struct bnx2x_reg_set wc_regs[] = {
4373 {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
4374 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
4375 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
4376 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
4377 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4378 0x0195},
4379 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4380 0x0007},
4381 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4382 0x0002},
4383 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
4384 {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
4385 {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
4386 {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
4387 };
3c9ada22 4388 /* Set XFI clock comp as default. */
a351d497
YM
4389 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4390 MDIO_WC_REG_RX66_CONTROL, (3<<13));
4391
4392 for (i = 0; i < sizeof(wc_regs)/sizeof(struct bnx2x_reg_set); i++)
4393 bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
4394 wc_regs[i].val);
3c9ada22 4395
3c9ada22 4396 lane = bnx2x_get_warpcore_lane(phy, params);
3c9ada22
YR
4397 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4398 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
a351d497 4399
3c9ada22
YR
4400}
4401
4402static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
4403 u32 chip_id,
4404 u32 shmem_base, u8 port,
4405 u8 *gpio_num, u8 *gpio_port)
4406{
4407 u32 cfg_pin;
4408 *gpio_num = 0;
4409 *gpio_port = 0;
4410 if (CHIP_IS_E3(bp)) {
4411 cfg_pin = (REG_RD(bp, shmem_base +
4412 offsetof(struct shmem_region,
4413 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4414 PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4415 PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4416
8f73f0b9 4417 /* Should not happen. This function called upon interrupt
3c9ada22
YR
4418 * triggered by GPIO ( since EPIO can only generate interrupts
4419 * to MCP).
4420 * So if this function was called and none of the GPIOs was set,
4421 * it means the shit hit the fan.
4422 */
4423 if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4424 (cfg_pin > PIN_CFG_GPIO3_P1)) {
94f05b0f
JP
4425 DP(NETIF_MSG_LINK,
4426 "ERROR: Invalid cfg pin %x for module detect indication\n",
4427 cfg_pin);
3c9ada22
YR
4428 return -EINVAL;
4429 }
4430
4431 *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4432 *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4433 } else {
4434 *gpio_num = MISC_REGISTERS_GPIO_3;
4435 *gpio_port = port;
4436 }
4437 DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
4438 return 0;
4439}
4440
4441static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
4442 struct link_params *params)
4443{
4444 struct bnx2x *bp = params->bp;
4445 u8 gpio_num, gpio_port;
4446 u32 gpio_val;
4447 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
4448 params->shmem_base, params->port,
4449 &gpio_num, &gpio_port) != 0)
4450 return 0;
4451 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
4452
4453 /* Call the handling function in case module is detected */
4454 if (gpio_val == 0)
4455 return 1;
4456 else
4457 return 0;
4458}
a9077bfd
YR
4459static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
4460 struct link_params *params)
4461{
4462 u16 gp2_status_reg0, lane;
4463 struct bnx2x *bp = params->bp;
4464
4465 lane = bnx2x_get_warpcore_lane(phy, params);
4466
4467 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
4468 &gp2_status_reg0);
4469
4470 return (gp2_status_reg0 >> (8+lane)) & 0x1;
4471}
4472
4473static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
4474 struct link_params *params,
4475 struct link_vars *vars)
4476{
4477 struct bnx2x *bp = params->bp;
4478 u32 serdes_net_if;
4479 u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
4480 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4481
4482 vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
4483
4484 if (!vars->turn_to_run_wc_rt)
4485 return;
4486
d231023e 4487 /* Return if there is no link partner */
a9077bfd
YR
4488 if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
4489 DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
4490 return;
4491 }
4492
4493 if (vars->rx_tx_asic_rst) {
4494 serdes_net_if = (REG_RD(bp, params->shmem_base +
4495 offsetof(struct shmem_region, dev_info.
4496 port_hw_config[params->port].default_cfg)) &
4497 PORT_HW_CFG_NET_SERDES_IF_MASK);
4498
4499 switch (serdes_net_if) {
4500 case PORT_HW_CFG_NET_SERDES_IF_KR:
4501 /* Do we get link yet? */
4502 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
4503 &gp_status1);
4504 lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
4505 /*10G KR*/
4506 lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
4507
4508 DP(NETIF_MSG_LINK,
4509 "gp_status1 0x%x\n", gp_status1);
4510
4511 if (lnkup_kr || lnkup) {
4512 vars->rx_tx_asic_rst = 0;
4513 DP(NETIF_MSG_LINK,
4514 "link up, rx_tx_asic_rst 0x%x\n",
4515 vars->rx_tx_asic_rst);
4516 } else {
8f73f0b9 4517 /* Reset the lane to see if link comes up.*/
a9077bfd
YR
4518 bnx2x_warpcore_reset_lane(bp, phy, 1);
4519 bnx2x_warpcore_reset_lane(bp, phy, 0);
4520
d231023e 4521 /* Restart Autoneg */
a9077bfd
YR
4522 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4523 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4524
4525 vars->rx_tx_asic_rst--;
4526 DP(NETIF_MSG_LINK, "0x%x retry left\n",
4527 vars->rx_tx_asic_rst);
4528 }
4529 break;
4530
4531 default:
4532 break;
4533 }
4534
4535 } /*params->rx_tx_asic_rst*/
4536
4537}
dbef807e
YM
4538static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
4539 struct link_params *params)
4540{
4541 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4542 struct bnx2x *bp = params->bp;
4543 bnx2x_warpcore_clear_regs(phy, params, lane);
4544 if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
4545 SPEED_10000) &&
4546 (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
4547 DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
4548 bnx2x_warpcore_set_10G_XFI(phy, params, 0);
4549 } else {
4550 DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
4551 bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
4552 }
4553}
4554
3c9ada22
YR
4555static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
4556 struct link_params *params,
4557 struct link_vars *vars)
4558{
4559 struct bnx2x *bp = params->bp;
4560 u32 serdes_net_if;
4561 u8 fiber_mode;
4562 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4563 serdes_net_if = (REG_RD(bp, params->shmem_base +
4564 offsetof(struct shmem_region, dev_info.
4565 port_hw_config[params->port].default_cfg)) &
4566 PORT_HW_CFG_NET_SERDES_IF_MASK);
4567 DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
4568 "serdes_net_if = 0x%x\n",
4569 vars->line_speed, serdes_net_if);
4570 bnx2x_set_aer_mmd(params, phy);
4571
4572 vars->phy_flags |= PHY_XGXS_FLAG;
4573 if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4574 (phy->req_line_speed &&
4575 ((phy->req_line_speed == SPEED_100) ||
4576 (phy->req_line_speed == SPEED_10)))) {
4577 vars->phy_flags |= PHY_SGMII_FLAG;
4578 DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
4579 bnx2x_warpcore_clear_regs(phy, params, lane);
521683da 4580 bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
3c9ada22
YR
4581 } else {
4582 switch (serdes_net_if) {
4583 case PORT_HW_CFG_NET_SERDES_IF_KR:
4584 /* Enable KR Auto Neg */
6a51c0d1 4585 if (params->loopback_mode != LOOPBACK_EXT)
3c9ada22
YR
4586 bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4587 else {
4588 DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
4589 bnx2x_warpcore_set_10G_KR(phy, params, vars);
4590 }
4591 break;
4592
4593 case PORT_HW_CFG_NET_SERDES_IF_XFI:
4594 bnx2x_warpcore_clear_regs(phy, params, lane);
4595 if (vars->line_speed == SPEED_10000) {
4596 DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
4597 bnx2x_warpcore_set_10G_XFI(phy, params, 1);
4598 } else {
4599 if (SINGLE_MEDIA_DIRECT(params)) {
4600 DP(NETIF_MSG_LINK, "1G Fiber\n");
4601 fiber_mode = 1;
4602 } else {
4603 DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
4604 fiber_mode = 0;
4605 }
4606 bnx2x_warpcore_set_sgmii_speed(phy,
4607 params,
521683da
YR
4608 fiber_mode,
4609 0);
3c9ada22
YR
4610 }
4611
4612 break;
4613
4614 case PORT_HW_CFG_NET_SERDES_IF_SFI:
3c9ada22
YR
4615 /* Issue Module detection */
4616 if (bnx2x_is_sfp_module_plugged(phy, params))
4617 bnx2x_sfp_module_detection(phy, params);
dbef807e
YM
4618
4619 bnx2x_warpcore_config_sfi(phy, params);
3c9ada22
YR
4620 break;
4621
4622 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4623 if (vars->line_speed != SPEED_20000) {
4624 DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4625 return;
4626 }
4627 DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
4628 bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
4629 /* Issue Module detection */
4630
4631 bnx2x_sfp_module_detection(phy, params);
4632 break;
4633
4634 case PORT_HW_CFG_NET_SERDES_IF_KR2:
4635 if (vars->line_speed != SPEED_20000) {
4636 DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4637 return;
4638 }
4639 DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
4640 bnx2x_warpcore_set_20G_KR2(bp, phy);
4641 break;
4642
4643 default:
94f05b0f
JP
4644 DP(NETIF_MSG_LINK,
4645 "Unsupported Serdes Net Interface 0x%x\n",
4646 serdes_net_if);
3c9ada22
YR
4647 return;
4648 }
4649 }
4650
4651 /* Take lane out of reset after configuration is finished */
4652 bnx2x_warpcore_reset_lane(bp, phy, 0);
4653 DP(NETIF_MSG_LINK, "Exit config init\n");
4654}
4655
4656static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
4657 struct bnx2x_phy *phy,
4658 u8 tx_en)
4659{
4660 struct bnx2x *bp = params->bp;
4661 u32 cfg_pin;
4662 u8 port = params->port;
4663
4664 cfg_pin = REG_RD(bp, params->shmem_base +
4665 offsetof(struct shmem_region,
4666 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4667 PORT_HW_CFG_TX_LASER_MASK;
4668 /* Set the !tx_en since this pin is DISABLE_TX_LASER */
4669 DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
4670 /* For 20G, the expected pin to be used is 3 pins after the current */
4671
4672 bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
4673 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4674 bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
4675}
4676
4677static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
4678 struct link_params *params)
4679{
4680 struct bnx2x *bp = params->bp;
4681 u16 val16;
4682 bnx2x_sfp_e3_set_transmitter(params, phy, 0);
4683 bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
4684 bnx2x_set_aer_mmd(params, phy);
4685 /* Global register */
4686 bnx2x_warpcore_reset_lane(bp, phy, 1);
4687
4688 /* Clear loopback settings (if any) */
4689 /* 10G & 20G */
4690 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4691 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4692 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4693 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
4694 0xBFFF);
4695
4696 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4697 MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
4698 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4699 MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
4700
4701 /* Update those 1-copy registers */
4702 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4703 MDIO_AER_BLOCK_AER_REG, 0);
8f73f0b9 4704 /* Enable 1G MDIO (1-copy) */
3c9ada22
YR
4705 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4706 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4707 &val16);
4708 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4709 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4710 val16 & ~0x10);
4711
4712 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4713 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4714 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4715 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4716 val16 & 0xff00);
4717
4718}
4719
4720static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
4721 struct link_params *params)
4722{
4723 struct bnx2x *bp = params->bp;
4724 u16 val16;
4725 u32 lane;
4726 DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
4727 params->loopback_mode, phy->req_line_speed);
4728
4729 if (phy->req_line_speed < SPEED_10000) {
4730 /* 10/100/1000 */
4731
4732 /* Update those 1-copy registers */
4733 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4734 MDIO_AER_BLOCK_AER_REG, 0);
4735 /* Enable 1G MDIO (1-copy) */
a351d497
YM
4736 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4737 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4738 0x10);
3c9ada22
YR
4739 /* Set 1G loopback based on lane (1-copy) */
4740 lane = bnx2x_get_warpcore_lane(phy, params);
4741 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4742 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4743 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4744 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4745 val16 | (1<<lane));
4746
4747 /* Switch back to 4-copy registers */
4748 bnx2x_set_aer_mmd(params, phy);
3c9ada22
YR
4749 } else {
4750 /* 10G & 20G */
a351d497
YM
4751 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4752 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4753 0x4000);
3c9ada22 4754
a351d497
YM
4755 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4756 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
3c9ada22
YR
4757 }
4758}
4759
4760
d231023e
YM
4761
4762static void bnx2x_sync_link(struct link_params *params,
4763 struct link_vars *vars)
de6eae1f
YR
4764{
4765 struct bnx2x *bp = params->bp;
9380bb9e 4766 u8 link_10g_plus;
de6f3377
YR
4767 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4768 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
2f751a80 4769 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
de6eae1f
YR
4770 if (vars->link_up) {
4771 DP(NETIF_MSG_LINK, "phy link up\n");
4772
4773 vars->phy_link_up = 1;
4774 vars->duplex = DUPLEX_FULL;
4775 switch (vars->link_status &
cd88ccee 4776 LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
8f73f0b9
YR
4777 case LINK_10THD:
4778 vars->duplex = DUPLEX_HALF;
4779 /* Fall thru */
4780 case LINK_10TFD:
4781 vars->line_speed = SPEED_10;
4782 break;
de6eae1f 4783
8f73f0b9
YR
4784 case LINK_100TXHD:
4785 vars->duplex = DUPLEX_HALF;
4786 /* Fall thru */
4787 case LINK_100T4:
4788 case LINK_100TXFD:
4789 vars->line_speed = SPEED_100;
4790 break;
de6eae1f 4791
8f73f0b9
YR
4792 case LINK_1000THD:
4793 vars->duplex = DUPLEX_HALF;
4794 /* Fall thru */
4795 case LINK_1000TFD:
4796 vars->line_speed = SPEED_1000;
4797 break;
de6eae1f 4798
8f73f0b9
YR
4799 case LINK_2500THD:
4800 vars->duplex = DUPLEX_HALF;
4801 /* Fall thru */
4802 case LINK_2500TFD:
4803 vars->line_speed = SPEED_2500;
4804 break;
de6eae1f 4805
8f73f0b9
YR
4806 case LINK_10GTFD:
4807 vars->line_speed = SPEED_10000;
4808 break;
4809 case LINK_20GTFD:
4810 vars->line_speed = SPEED_20000;
4811 break;
4812 default:
4813 break;
de6eae1f 4814 }
de6eae1f
YR
4815 vars->flow_ctrl = 0;
4816 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
4817 vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
4818
4819 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
4820 vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
4821
4822 if (!vars->flow_ctrl)
4823 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4824
4825 if (vars->line_speed &&
4826 ((vars->line_speed == SPEED_10) ||
4827 (vars->line_speed == SPEED_100))) {
4828 vars->phy_flags |= PHY_SGMII_FLAG;
4829 } else {
4830 vars->phy_flags &= ~PHY_SGMII_FLAG;
4831 }
3c9ada22
YR
4832 if (vars->line_speed &&
4833 USES_WARPCORE(bp) &&
4834 (vars->line_speed == SPEED_1000))
4835 vars->phy_flags |= PHY_SGMII_FLAG;
d231023e 4836 /* Anything 10 and over uses the bmac */
9380bb9e
YR
4837 link_10g_plus = (vars->line_speed >= SPEED_10000);
4838
4839 if (link_10g_plus) {
4840 if (USES_WARPCORE(bp))
4841 vars->mac_type = MAC_TYPE_XMAC;
4842 else
3c9ada22 4843 vars->mac_type = MAC_TYPE_BMAC;
9380bb9e
YR
4844 } else {
4845 if (USES_WARPCORE(bp))
4846 vars->mac_type = MAC_TYPE_UMAC;
3c9ada22
YR
4847 else
4848 vars->mac_type = MAC_TYPE_EMAC;
9380bb9e 4849 }
d231023e 4850 } else { /* Link down */
de6eae1f
YR
4851 DP(NETIF_MSG_LINK, "phy link down\n");
4852
4853 vars->phy_link_up = 0;
4854
4855 vars->line_speed = 0;
4856 vars->duplex = DUPLEX_FULL;
4857 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4858
d231023e 4859 /* Indicate no mac active */
de6eae1f 4860 vars->mac_type = MAC_TYPE_NONE;
de6f3377
YR
4861 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4862 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
d0b8a6f9
YM
4863 if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
4864 vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
de6eae1f 4865 }
2f751a80
YR
4866}
4867
4868void bnx2x_link_status_update(struct link_params *params,
4869 struct link_vars *vars)
4870{
4871 struct bnx2x *bp = params->bp;
4872 u8 port = params->port;
4873 u32 sync_offset, media_types;
4874 /* Update PHY configuration */
4875 set_phy_vars(params, vars);
de6eae1f 4876
2f751a80
YR
4877 vars->link_status = REG_RD(bp, params->shmem_base +
4878 offsetof(struct shmem_region,
4879 port_mb[port].link_status));
08e9acc2
YM
4880 if (bnx2x_eee_has_cap(params))
4881 vars->eee_status = REG_RD(bp, params->shmem2_base +
4882 offsetof(struct shmem2_region,
4883 eee_status[params->port]));
2f751a80
YR
4884
4885 vars->phy_flags = PHY_XGXS_FLAG;
4886 bnx2x_sync_link(params, vars);
1ac9e428
YR
4887 /* Sync media type */
4888 sync_offset = params->shmem_base +
4889 offsetof(struct shmem_region,
4890 dev_info.port_hw_config[port].media_type);
4891 media_types = REG_RD(bp, sync_offset);
4892
4893 params->phy[INT_PHY].media_type =
4894 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
4895 PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
4896 params->phy[EXT_PHY1].media_type =
4897 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
4898 PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
4899 params->phy[EXT_PHY2].media_type =
4900 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
4901 PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
4902 DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
4903
020c7e3f
YR
4904 /* Sync AEU offset */
4905 sync_offset = params->shmem_base +
4906 offsetof(struct shmem_region,
4907 dev_info.port_hw_config[port].aeu_int_mask);
4908
4909 vars->aeu_int_mask = REG_RD(bp, sync_offset);
4910
b8d6d082
YR
4911 /* Sync PFC status */
4912 if (vars->link_status & LINK_STATUS_PFC_ENABLED)
4913 params->feature_config_flags |=
4914 FEATURE_CONFIG_PFC_ENABLED;
4915 else
4916 params->feature_config_flags &=
4917 ~FEATURE_CONFIG_PFC_ENABLED;
4918
020c7e3f
YR
4919 DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
4920 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
de6eae1f
YR
4921 DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
4922 vars->line_speed, vars->duplex, vars->flow_ctrl);
4923}
4924
de6eae1f
YR
4925static void bnx2x_set_master_ln(struct link_params *params,
4926 struct bnx2x_phy *phy)
4927{
4928 struct bnx2x *bp = params->bp;
4929 u16 new_master_ln, ser_lane;
cd88ccee 4930 ser_lane = ((params->lane_config &
de6eae1f 4931 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
cd88ccee 4932 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
de6eae1f 4933
d231023e 4934 /* Set the master_ln for AN */
cd2be89b 4935 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
4936 MDIO_REG_BANK_XGXS_BLOCK2,
4937 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4938 &new_master_ln);
de6eae1f 4939
cd2be89b 4940 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
4941 MDIO_REG_BANK_XGXS_BLOCK2 ,
4942 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4943 (new_master_ln | ser_lane));
de6eae1f
YR
4944}
4945
fcf5b650
YR
4946static int bnx2x_reset_unicore(struct link_params *params,
4947 struct bnx2x_phy *phy,
4948 u8 set_serdes)
de6eae1f
YR
4949{
4950 struct bnx2x *bp = params->bp;
4951 u16 mii_control;
4952 u16 i;
cd2be89b 4953 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
4954 MDIO_REG_BANK_COMBO_IEEE0,
4955 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
de6eae1f 4956
d231023e 4957 /* Reset the unicore */
cd2be89b 4958 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
4959 MDIO_REG_BANK_COMBO_IEEE0,
4960 MDIO_COMBO_IEEE0_MII_CONTROL,
4961 (mii_control |
4962 MDIO_COMBO_IEEO_MII_CONTROL_RESET));
de6eae1f
YR
4963 if (set_serdes)
4964 bnx2x_set_serdes_access(bp, params->port);
4965
d231023e 4966 /* Wait for the reset to self clear */
de6eae1f
YR
4967 for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
4968 udelay(5);
4969
d231023e 4970 /* The reset erased the previous bank value */
cd2be89b 4971 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
4972 MDIO_REG_BANK_COMBO_IEEE0,
4973 MDIO_COMBO_IEEE0_MII_CONTROL,
4974 &mii_control);
de6eae1f
YR
4975
4976 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
4977 udelay(5);
4978 return 0;
4979 }
4980 }
ea4e040a 4981
6d870c39
YR
4982 netdev_err(bp->dev, "Warning: PHY was not initialized,"
4983 " Port %d\n",
4984 params->port);
ea4e040a
YR
4985 DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
4986 return -EINVAL;
4987
4988}
4989
e10bc84d
YR
4990static void bnx2x_set_swap_lanes(struct link_params *params,
4991 struct bnx2x_phy *phy)
ea4e040a
YR
4992{
4993 struct bnx2x *bp = params->bp;
8f73f0b9
YR
4994 /* Each two bits represents a lane number:
4995 * No swap is 0123 => 0x1b no need to enable the swap
2cf7acf9 4996 */
2f751a80 4997 u16 rx_lane_swap, tx_lane_swap;
ea4e040a 4998
ea4e040a 4999 rx_lane_swap = ((params->lane_config &
cd88ccee
YR
5000 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
5001 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
ea4e040a 5002 tx_lane_swap = ((params->lane_config &
cd88ccee
YR
5003 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
5004 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
ea4e040a
YR
5005
5006 if (rx_lane_swap != 0x1b) {
cd2be89b 5007 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5008 MDIO_REG_BANK_XGXS_BLOCK2,
5009 MDIO_XGXS_BLOCK2_RX_LN_SWAP,
5010 (rx_lane_swap |
5011 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
5012 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
ea4e040a 5013 } else {
cd2be89b 5014 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5015 MDIO_REG_BANK_XGXS_BLOCK2,
5016 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
ea4e040a
YR
5017 }
5018
5019 if (tx_lane_swap != 0x1b) {
cd2be89b 5020 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5021 MDIO_REG_BANK_XGXS_BLOCK2,
5022 MDIO_XGXS_BLOCK2_TX_LN_SWAP,
5023 (tx_lane_swap |
5024 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
ea4e040a 5025 } else {
cd2be89b 5026 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5027 MDIO_REG_BANK_XGXS_BLOCK2,
5028 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
ea4e040a
YR
5029 }
5030}
5031
e10bc84d
YR
5032static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
5033 struct link_params *params)
ea4e040a
YR
5034{
5035 struct bnx2x *bp = params->bp;
5036 u16 control2;
cd2be89b 5037 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5038 MDIO_REG_BANK_SERDES_DIGITAL,
5039 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
5040 &control2);
7aa0711f 5041 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
18afb0a6
YR
5042 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
5043 else
5044 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
7aa0711f
YR
5045 DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
5046 phy->speed_cap_mask, control2);
cd2be89b 5047 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5048 MDIO_REG_BANK_SERDES_DIGITAL,
5049 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
5050 control2);
ea4e040a 5051
e10bc84d 5052 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
c18aa15d 5053 (phy->speed_cap_mask &
18afb0a6 5054 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
ea4e040a
YR
5055 DP(NETIF_MSG_LINK, "XGXS\n");
5056
cd2be89b 5057 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5058 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5059 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
5060 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
ea4e040a 5061
cd2be89b 5062 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5063 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5064 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
5065 &control2);
ea4e040a
YR
5066
5067
5068 control2 |=
5069 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
5070
cd2be89b 5071 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5072 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5073 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
5074 control2);
ea4e040a
YR
5075
5076 /* Disable parallel detection of HiG */
cd2be89b 5077 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5078 MDIO_REG_BANK_XGXS_BLOCK2,
5079 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
5080 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
5081 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
ea4e040a
YR
5082 }
5083}
5084
e10bc84d
YR
5085static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
5086 struct link_params *params,
cd88ccee
YR
5087 struct link_vars *vars,
5088 u8 enable_cl73)
ea4e040a
YR
5089{
5090 struct bnx2x *bp = params->bp;
5091 u16 reg_val;
5092
5093 /* CL37 Autoneg */
cd2be89b 5094 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5095 MDIO_REG_BANK_COMBO_IEEE0,
5096 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
ea4e040a
YR
5097
5098 /* CL37 Autoneg Enabled */
8c99e7b0 5099 if (vars->line_speed == SPEED_AUTO_NEG)
ea4e040a
YR
5100 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
5101 else /* CL37 Autoneg Disabled */
5102 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5103 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
5104
cd2be89b 5105 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5106 MDIO_REG_BANK_COMBO_IEEE0,
5107 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
ea4e040a
YR
5108
5109 /* Enable/Disable Autodetection */
5110
cd2be89b 5111 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5112 MDIO_REG_BANK_SERDES_DIGITAL,
5113 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
239d686d
EG
5114 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
5115 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
5116 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
8c99e7b0 5117 if (vars->line_speed == SPEED_AUTO_NEG)
ea4e040a
YR
5118 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5119 else
5120 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5121
cd2be89b 5122 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5123 MDIO_REG_BANK_SERDES_DIGITAL,
5124 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
ea4e040a
YR
5125
5126 /* Enable TetonII and BAM autoneg */
cd2be89b 5127 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5128 MDIO_REG_BANK_BAM_NEXT_PAGE,
5129 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
ea4e040a 5130 &reg_val);
8c99e7b0 5131 if (vars->line_speed == SPEED_AUTO_NEG) {
ea4e040a
YR
5132 /* Enable BAM aneg Mode and TetonII aneg Mode */
5133 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5134 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5135 } else {
5136 /* TetonII and BAM Autoneg Disabled */
5137 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5138 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5139 }
cd2be89b 5140 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5141 MDIO_REG_BANK_BAM_NEXT_PAGE,
5142 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5143 reg_val);
ea4e040a 5144
239d686d
EG
5145 if (enable_cl73) {
5146 /* Enable Cl73 FSM status bits */
cd2be89b 5147 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5148 MDIO_REG_BANK_CL73_USERB0,
5149 MDIO_CL73_USERB0_CL73_UCTRL,
5150 0xe);
239d686d
EG
5151
5152 /* Enable BAM Station Manager*/
cd2be89b 5153 CL22_WR_OVER_CL45(bp, phy,
239d686d
EG
5154 MDIO_REG_BANK_CL73_USERB0,
5155 MDIO_CL73_USERB0_CL73_BAM_CTRL1,
5156 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
5157 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
5158 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
5159
7846e471 5160 /* Advertise CL73 link speeds */
cd2be89b 5161 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5162 MDIO_REG_BANK_CL73_IEEEB1,
5163 MDIO_CL73_IEEEB1_AN_ADV2,
5164 &reg_val);
7aa0711f 5165 if (phy->speed_cap_mask &
7846e471
YR
5166 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5167 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
7aa0711f 5168 if (phy->speed_cap_mask &
7846e471
YR
5169 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5170 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
239d686d 5171
cd2be89b 5172 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5173 MDIO_REG_BANK_CL73_IEEEB1,
5174 MDIO_CL73_IEEEB1_AN_ADV2,
5175 reg_val);
239d686d 5176
239d686d
EG
5177 /* CL73 Autoneg Enabled */
5178 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
5179
5180 } else /* CL73 Autoneg Disabled */
5181 reg_val = 0;
ea4e040a 5182
cd2be89b 5183 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5184 MDIO_REG_BANK_CL73_IEEEB0,
5185 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
ea4e040a
YR
5186}
5187
d231023e 5188/* Program SerDes, forced speed */
e10bc84d
YR
5189static void bnx2x_program_serdes(struct bnx2x_phy *phy,
5190 struct link_params *params,
cd88ccee 5191 struct link_vars *vars)
ea4e040a
YR
5192{
5193 struct bnx2x *bp = params->bp;
5194 u16 reg_val;
5195
d231023e 5196 /* Program duplex, disable autoneg and sgmii*/
cd2be89b 5197 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5198 MDIO_REG_BANK_COMBO_IEEE0,
5199 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
ea4e040a 5200 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
57937203
EG
5201 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5202 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
7aa0711f 5203 if (phy->req_duplex == DUPLEX_FULL)
ea4e040a 5204 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
cd2be89b 5205 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5206 MDIO_REG_BANK_COMBO_IEEE0,
5207 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
ea4e040a 5208
8f73f0b9 5209 /* Program speed
2cf7acf9
YR
5210 * - needed only if the speed is greater than 1G (2.5G or 10G)
5211 */
cd2be89b 5212 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5213 MDIO_REG_BANK_SERDES_DIGITAL,
5214 MDIO_SERDES_DIGITAL_MISC1, &reg_val);
d231023e 5215 /* Clearing the speed value before setting the right speed */
8c99e7b0
YR
5216 DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
5217
5218 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
5219 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5220
5221 if (!((vars->line_speed == SPEED_1000) ||
5222 (vars->line_speed == SPEED_100) ||
5223 (vars->line_speed == SPEED_10))) {
5224
ea4e040a
YR
5225 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
5226 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
8c99e7b0 5227 if (vars->line_speed == SPEED_10000)
ea4e040a
YR
5228 reg_val |=
5229 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
8c99e7b0
YR
5230 }
5231
cd2be89b 5232 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5233 MDIO_REG_BANK_SERDES_DIGITAL,
5234 MDIO_SERDES_DIGITAL_MISC1, reg_val);
8c99e7b0 5235
ea4e040a
YR
5236}
5237
9045f6b4
YR
5238static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
5239 struct link_params *params)
ea4e040a
YR
5240{
5241 struct bnx2x *bp = params->bp;
5242 u16 val = 0;
5243
d231023e 5244 /* Set extended capabilities */
7aa0711f 5245 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
ea4e040a 5246 val |= MDIO_OVER_1G_UP1_2_5G;
7aa0711f 5247 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
ea4e040a 5248 val |= MDIO_OVER_1G_UP1_10G;
cd2be89b 5249 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5250 MDIO_REG_BANK_OVER_1G,
5251 MDIO_OVER_1G_UP1, val);
ea4e040a 5252
cd2be89b 5253 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5254 MDIO_REG_BANK_OVER_1G,
5255 MDIO_OVER_1G_UP3, 0x400);
ea4e040a
YR
5256}
5257
9045f6b4
YR
5258static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
5259 struct link_params *params,
5260 u16 ieee_fc)
8c99e7b0
YR
5261{
5262 struct bnx2x *bp = params->bp;
7846e471 5263 u16 val;
d231023e 5264 /* For AN, we are always publishing full duplex */
ea4e040a 5265
cd2be89b 5266 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5267 MDIO_REG_BANK_COMBO_IEEE0,
5268 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
cd2be89b 5269 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5270 MDIO_REG_BANK_CL73_IEEEB1,
5271 MDIO_CL73_IEEEB1_AN_ADV1, &val);
7846e471
YR
5272 val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
5273 val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
cd2be89b 5274 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5275 MDIO_REG_BANK_CL73_IEEEB1,
5276 MDIO_CL73_IEEEB1_AN_ADV1, val);
ea4e040a
YR
5277}
5278
e10bc84d
YR
5279static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
5280 struct link_params *params,
5281 u8 enable_cl73)
ea4e040a
YR
5282{
5283 struct bnx2x *bp = params->bp;
3a36f2ef 5284 u16 mii_control;
239d686d 5285
ea4e040a 5286 DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
3a36f2ef 5287 /* Enable and restart BAM/CL37 aneg */
ea4e040a 5288
239d686d 5289 if (enable_cl73) {
cd2be89b 5290 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5291 MDIO_REG_BANK_CL73_IEEEB0,
5292 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5293 &mii_control);
239d686d 5294
cd2be89b 5295 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5296 MDIO_REG_BANK_CL73_IEEEB0,
5297 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5298 (mii_control |
5299 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
5300 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
239d686d
EG
5301 } else {
5302
cd2be89b 5303 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5304 MDIO_REG_BANK_COMBO_IEEE0,
5305 MDIO_COMBO_IEEE0_MII_CONTROL,
5306 &mii_control);
239d686d
EG
5307 DP(NETIF_MSG_LINK,
5308 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
5309 mii_control);
cd2be89b 5310 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5311 MDIO_REG_BANK_COMBO_IEEE0,
5312 MDIO_COMBO_IEEE0_MII_CONTROL,
5313 (mii_control |
5314 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5315 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
239d686d 5316 }
ea4e040a
YR
5317}
5318
e10bc84d
YR
5319static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
5320 struct link_params *params,
cd88ccee 5321 struct link_vars *vars)
ea4e040a
YR
5322{
5323 struct bnx2x *bp = params->bp;
5324 u16 control1;
5325
d231023e 5326 /* In SGMII mode, the unicore is always slave */
ea4e040a 5327
cd2be89b 5328 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5329 MDIO_REG_BANK_SERDES_DIGITAL,
5330 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5331 &control1);
ea4e040a 5332 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
d231023e 5333 /* Set sgmii mode (and not fiber) */
ea4e040a
YR
5334 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
5335 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
5336 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
cd2be89b 5337 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5338 MDIO_REG_BANK_SERDES_DIGITAL,
5339 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5340 control1);
ea4e040a 5341
d231023e 5342 /* If forced speed */
8c99e7b0 5343 if (!(vars->line_speed == SPEED_AUTO_NEG)) {
d231023e 5344 /* Set speed, disable autoneg */
ea4e040a
YR
5345 u16 mii_control;
5346
cd2be89b 5347 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5348 MDIO_REG_BANK_COMBO_IEEE0,
5349 MDIO_COMBO_IEEE0_MII_CONTROL,
5350 &mii_control);
ea4e040a
YR
5351 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5352 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
5353 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
5354
8c99e7b0 5355 switch (vars->line_speed) {
ea4e040a
YR
5356 case SPEED_100:
5357 mii_control |=
5358 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
5359 break;
5360 case SPEED_1000:
5361 mii_control |=
5362 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
5363 break;
5364 case SPEED_10:
d231023e 5365 /* There is nothing to set for 10M */
ea4e040a
YR
5366 break;
5367 default:
d231023e 5368 /* Invalid speed for SGMII */
8c99e7b0
YR
5369 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5370 vars->line_speed);
ea4e040a
YR
5371 break;
5372 }
5373
d231023e 5374 /* Setting the full duplex */
7aa0711f 5375 if (phy->req_duplex == DUPLEX_FULL)
ea4e040a
YR
5376 mii_control |=
5377 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
cd2be89b 5378 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5379 MDIO_REG_BANK_COMBO_IEEE0,
5380 MDIO_COMBO_IEEE0_MII_CONTROL,
5381 mii_control);
ea4e040a
YR
5382
5383 } else { /* AN mode */
d231023e 5384 /* Enable and restart AN */
e10bc84d 5385 bnx2x_restart_autoneg(phy, params, 0);
ea4e040a
YR
5386 }
5387}
5388
8f73f0b9 5389/* Link management
ea4e040a 5390 */
fcf5b650
YR
5391static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
5392 struct link_params *params)
15ddd2d0
YR
5393{
5394 struct bnx2x *bp = params->bp;
5395 u16 pd_10g, status2_1000x;
7aa0711f
YR
5396 if (phy->req_line_speed != SPEED_AUTO_NEG)
5397 return 0;
cd2be89b 5398 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5399 MDIO_REG_BANK_SERDES_DIGITAL,
5400 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5401 &status2_1000x);
cd2be89b 5402 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5403 MDIO_REG_BANK_SERDES_DIGITAL,
5404 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5405 &status2_1000x);
15ddd2d0
YR
5406 if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
5407 DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
5408 params->port);
5409 return 1;
5410 }
5411
cd2be89b 5412 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5413 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5414 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
5415 &pd_10g);
15ddd2d0
YR
5416
5417 if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
5418 DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
5419 params->port);
5420 return 1;
5421 }
5422 return 0;
5423}
ea4e040a 5424
9e7e8399
MY
5425static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
5426 struct link_params *params,
5427 struct link_vars *vars,
5428 u32 gp_status)
5429{
5430 u16 ld_pause; /* local driver */
5431 u16 lp_pause; /* link partner */
5432 u16 pause_result;
5433 struct bnx2x *bp = params->bp;
5434 if ((gp_status &
5435 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5436 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
5437 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5438 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
5439
5440 CL22_RD_OVER_CL45(bp, phy,
5441 MDIO_REG_BANK_CL73_IEEEB1,
5442 MDIO_CL73_IEEEB1_AN_ADV1,
5443 &ld_pause);
5444 CL22_RD_OVER_CL45(bp, phy,
5445 MDIO_REG_BANK_CL73_IEEEB1,
5446 MDIO_CL73_IEEEB1_AN_LP_ADV1,
5447 &lp_pause);
5448 pause_result = (ld_pause &
5449 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
5450 pause_result |= (lp_pause &
5451 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
5452 DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
5453 } else {
5454 CL22_RD_OVER_CL45(bp, phy,
5455 MDIO_REG_BANK_COMBO_IEEE0,
5456 MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
5457 &ld_pause);
5458 CL22_RD_OVER_CL45(bp, phy,
5459 MDIO_REG_BANK_COMBO_IEEE0,
5460 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
5461 &lp_pause);
5462 pause_result = (ld_pause &
5463 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
5464 pause_result |= (lp_pause &
5465 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
5466 DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
5467 }
5468 bnx2x_pause_resolve(vars, pause_result);
5469
5470}
5471
e10bc84d
YR
5472static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
5473 struct link_params *params,
5474 struct link_vars *vars,
5475 u32 gp_status)
ea4e040a
YR
5476{
5477 struct bnx2x *bp = params->bp;
c0700f90 5478 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
ea4e040a 5479
d231023e 5480 /* Resolve from gp_status in case of AN complete and not sgmii */
9e7e8399
MY
5481 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
5482 /* Update the advertised flow-controled of LD/LP in AN */
5483 if (phy->req_line_speed == SPEED_AUTO_NEG)
5484 bnx2x_update_adv_fc(phy, params, vars, gp_status);
5485 /* But set the flow-control result as the requested one */
7aa0711f 5486 vars->flow_ctrl = phy->req_flow_ctrl;
9e7e8399 5487 } else if (phy->req_line_speed != SPEED_AUTO_NEG)
7aa0711f
YR
5488 vars->flow_ctrl = params->req_fc_auto_adv;
5489 else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
5490 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
e10bc84d 5491 if (bnx2x_direct_parallel_detect_used(phy, params)) {
15ddd2d0
YR
5492 vars->flow_ctrl = params->req_fc_auto_adv;
5493 return;
5494 }
9e7e8399 5495 bnx2x_update_adv_fc(phy, params, vars, gp_status);
ea4e040a
YR
5496 }
5497 DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
5498}
5499
e10bc84d
YR
5500static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
5501 struct link_params *params)
239d686d
EG
5502{
5503 struct bnx2x *bp = params->bp;
9045f6b4 5504 u16 rx_status, ustat_val, cl37_fsm_received;
239d686d
EG
5505 DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
5506 /* Step 1: Make sure signal is detected */
cd2be89b 5507 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5508 MDIO_REG_BANK_RX0,
5509 MDIO_RX0_RX_STATUS,
5510 &rx_status);
239d686d
EG
5511 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
5512 (MDIO_RX0_RX_STATUS_SIGDET)) {
5513 DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
5514 "rx_status(0x80b0) = 0x%x\n", rx_status);
cd2be89b 5515 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5516 MDIO_REG_BANK_CL73_IEEEB0,
5517 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5518 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
239d686d
EG
5519 return;
5520 }
5521 /* Step 2: Check CL73 state machine */
cd2be89b 5522 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5523 MDIO_REG_BANK_CL73_USERB0,
5524 MDIO_CL73_USERB0_CL73_USTAT1,
5525 &ustat_val);
239d686d
EG
5526 if ((ustat_val &
5527 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5528 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
5529 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5530 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
5531 DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
5532 "ustat_val(0x8371) = 0x%x\n", ustat_val);
5533 return;
5534 }
8f73f0b9 5535 /* Step 3: Check CL37 Message Pages received to indicate LP
2cf7acf9
YR
5536 * supports only CL37
5537 */
cd2be89b 5538 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5539 MDIO_REG_BANK_REMOTE_PHY,
5540 MDIO_REMOTE_PHY_MISC_RX_STATUS,
9045f6b4
YR
5541 &cl37_fsm_received);
5542 if ((cl37_fsm_received &
239d686d
EG
5543 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5544 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
5545 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5546 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
5547 DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
5548 "misc_rx_status(0x8330) = 0x%x\n",
9045f6b4 5549 cl37_fsm_received);
239d686d
EG
5550 return;
5551 }
8f73f0b9 5552 /* The combined cl37/cl73 fsm state information indicating that
2cf7acf9
YR
5553 * we are connected to a device which does not support cl73, but
5554 * does support cl37 BAM. In this case we disable cl73 and
5555 * restart cl37 auto-neg
5556 */
5557
239d686d 5558 /* Disable CL73 */
cd2be89b 5559 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5560 MDIO_REG_BANK_CL73_IEEEB0,
5561 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5562 0);
239d686d 5563 /* Restart CL37 autoneg */
e10bc84d 5564 bnx2x_restart_autoneg(phy, params, 0);
239d686d
EG
5565 DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
5566}
7aa0711f
YR
5567
5568static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
5569 struct link_params *params,
5570 struct link_vars *vars,
5571 u32 gp_status)
5572{
5573 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
5574 vars->link_status |=
5575 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5576
5577 if (bnx2x_direct_parallel_detect_used(phy, params))
5578 vars->link_status |=
5579 LINK_STATUS_PARALLEL_DETECTION_USED;
5580}
3c9ada22
YR
5581static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
5582 struct link_params *params,
5583 struct link_vars *vars,
5584 u16 is_link_up,
5585 u16 speed_mask,
5586 u16 is_duplex)
ea4e040a
YR
5587{
5588 struct bnx2x *bp = params->bp;
7aa0711f
YR
5589 if (phy->req_line_speed == SPEED_AUTO_NEG)
5590 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3c9ada22
YR
5591 if (is_link_up) {
5592 DP(NETIF_MSG_LINK, "phy link up\n");
ea4e040a
YR
5593
5594 vars->phy_link_up = 1;
5595 vars->link_status |= LINK_STATUS_LINK_UP;
5596
3c9ada22 5597 switch (speed_mask) {
ea4e040a 5598 case GP_STATUS_10M:
3c9ada22 5599 vars->line_speed = SPEED_10;
ea4e040a
YR
5600 if (vars->duplex == DUPLEX_FULL)
5601 vars->link_status |= LINK_10TFD;
5602 else
5603 vars->link_status |= LINK_10THD;
5604 break;
5605
5606 case GP_STATUS_100M:
3c9ada22 5607 vars->line_speed = SPEED_100;
ea4e040a
YR
5608 if (vars->duplex == DUPLEX_FULL)
5609 vars->link_status |= LINK_100TXFD;
5610 else
5611 vars->link_status |= LINK_100TXHD;
5612 break;
5613
5614 case GP_STATUS_1G:
5615 case GP_STATUS_1G_KX:
3c9ada22 5616 vars->line_speed = SPEED_1000;
ea4e040a
YR
5617 if (vars->duplex == DUPLEX_FULL)
5618 vars->link_status |= LINK_1000TFD;
5619 else
5620 vars->link_status |= LINK_1000THD;
5621 break;
5622
5623 case GP_STATUS_2_5G:
3c9ada22 5624 vars->line_speed = SPEED_2500;
ea4e040a
YR
5625 if (vars->duplex == DUPLEX_FULL)
5626 vars->link_status |= LINK_2500TFD;
5627 else
5628 vars->link_status |= LINK_2500THD;
5629 break;
5630
5631 case GP_STATUS_5G:
5632 case GP_STATUS_6G:
5633 DP(NETIF_MSG_LINK,
5634 "link speed unsupported gp_status 0x%x\n",
3c9ada22 5635 speed_mask);
ea4e040a 5636 return -EINVAL;
ab6ad5a4 5637
ea4e040a
YR
5638 case GP_STATUS_10G_KX4:
5639 case GP_STATUS_10G_HIG:
5640 case GP_STATUS_10G_CX4:
3c9ada22
YR
5641 case GP_STATUS_10G_KR:
5642 case GP_STATUS_10G_SFI:
5643 case GP_STATUS_10G_XFI:
5644 vars->line_speed = SPEED_10000;
ea4e040a
YR
5645 vars->link_status |= LINK_10GTFD;
5646 break;
3c9ada22
YR
5647 case GP_STATUS_20G_DXGXS:
5648 vars->line_speed = SPEED_20000;
5649 vars->link_status |= LINK_20GTFD;
5650 break;
ea4e040a
YR
5651 default:
5652 DP(NETIF_MSG_LINK,
5653 "link speed unsupported gp_status 0x%x\n",
3c9ada22 5654 speed_mask);
ab6ad5a4 5655 return -EINVAL;
ea4e040a 5656 }
ea4e040a
YR
5657 } else { /* link_down */
5658 DP(NETIF_MSG_LINK, "phy link down\n");
5659
5660 vars->phy_link_up = 0;
57963ed9 5661
ea4e040a 5662 vars->duplex = DUPLEX_FULL;
c0700f90 5663 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
ea4e040a 5664 vars->mac_type = MAC_TYPE_NONE;
3c9ada22
YR
5665 }
5666 DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
5667 vars->phy_link_up, vars->line_speed);
5668 return 0;
5669}
5670
5671static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
5672 struct link_params *params,
5673 struct link_vars *vars)
5674{
3c9ada22
YR
5675 struct bnx2x *bp = params->bp;
5676
5677 u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
5678 int rc = 0;
5679
5680 /* Read gp_status */
5681 CL22_RD_OVER_CL45(bp, phy,
5682 MDIO_REG_BANK_GP_STATUS,
5683 MDIO_GP_STATUS_TOP_AN_STATUS1,
5684 &gp_status);
5685 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
5686 duplex = DUPLEX_FULL;
5687 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
5688 link_up = 1;
5689 speed_mask = gp_status & GP_STATUS_SPEED_MASK;
5690 DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
5691 gp_status, link_up, speed_mask);
5692 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
5693 duplex);
5694 if (rc == -EINVAL)
5695 return rc;
239d686d 5696
3c9ada22
YR
5697 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
5698 if (SINGLE_MEDIA_DIRECT(params)) {
5699 bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
5700 if (phy->req_line_speed == SPEED_AUTO_NEG)
5701 bnx2x_xgxs_an_resolve(phy, params, vars,
5702 gp_status);
5703 }
d231023e 5704 } else { /* Link_down */
c18aa15d
YR
5705 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5706 SINGLE_MEDIA_DIRECT(params)) {
239d686d 5707 /* Check signal is detected */
c18aa15d 5708 bnx2x_check_fallback_to_cl37(phy, params);
239d686d 5709 }
ea4e040a
YR
5710 }
5711
9e7e8399
MY
5712 /* Read LP advertised speeds*/
5713 if (SINGLE_MEDIA_DIRECT(params) &&
5714 (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
5715 u16 val;
5716
5717 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
5718 MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
5719
5720 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5721 vars->link_status |=
5722 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5723 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5724 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5725 vars->link_status |=
5726 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5727
5728 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
5729 MDIO_OVER_1G_LP_UP1, &val);
5730
5731 if (val & MDIO_OVER_1G_UP1_2_5G)
5732 vars->link_status |=
5733 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5734 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5735 vars->link_status |=
5736 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5737 }
5738
a22f0788
YR
5739 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5740 vars->duplex, vars->flow_ctrl, vars->link_status);
ea4e040a
YR
5741 return rc;
5742}
5743
3c9ada22
YR
5744static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
5745 struct link_params *params,
5746 struct link_vars *vars)
5747{
3c9ada22 5748 struct bnx2x *bp = params->bp;
3c9ada22
YR
5749 u8 lane;
5750 u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
5751 int rc = 0;
5752 lane = bnx2x_get_warpcore_lane(phy, params);
5753 /* Read gp_status */
5754 if (phy->req_line_speed > SPEED_10000) {
5755 u16 temp_link_up;
5756 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5757 1, &temp_link_up);
5758 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5759 1, &link_up);
5760 DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
5761 temp_link_up, link_up);
5762 link_up &= (1<<2);
5763 if (link_up)
5764 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5765 } else {
5766 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5767 MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
5768 DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
5769 /* Check for either KR or generic link up. */
5770 gp_status1 = ((gp_status1 >> 8) & 0xf) |
5771 ((gp_status1 >> 12) & 0xf);
5772 link_up = gp_status1 & (1 << lane);
5773 if (link_up && SINGLE_MEDIA_DIRECT(params)) {
5774 u16 pd, gp_status4;
5775 if (phy->req_line_speed == SPEED_AUTO_NEG) {
5776 /* Check Autoneg complete */
5777 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5778 MDIO_WC_REG_GP2_STATUS_GP_2_4,
5779 &gp_status4);
5780 if (gp_status4 & ((1<<12)<<lane))
5781 vars->link_status |=
5782 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5783
5784 /* Check parallel detect used */
5785 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5786 MDIO_WC_REG_PAR_DET_10G_STATUS,
5787 &pd);
5788 if (pd & (1<<15))
5789 vars->link_status |=
5790 LINK_STATUS_PARALLEL_DETECTION_USED;
5791 }
5792 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5793 }
5794 }
5795
9e7e8399
MY
5796 if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
5797 SINGLE_MEDIA_DIRECT(params)) {
5798 u16 val;
5799
5800 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5801 MDIO_AN_REG_LP_AUTO_NEG2, &val);
5802
5803 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5804 vars->link_status |=
5805 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5806 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5807 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5808 vars->link_status |=
5809 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5810
5811 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5812 MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
5813
5814 if (val & MDIO_OVER_1G_UP1_2_5G)
5815 vars->link_status |=
5816 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5817 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5818 vars->link_status |=
5819 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5820
5821 }
5822
5823
3c9ada22
YR
5824 if (lane < 2) {
5825 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5826 MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
5827 } else {
5828 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5829 MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
5830 }
5831 DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
5832
5833 if ((lane & 1) == 0)
5834 gp_speed <<= 8;
5835 gp_speed &= 0x3f00;
5836
5837
5838 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
5839 duplex);
5840
5841 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5842 vars->duplex, vars->flow_ctrl, vars->link_status);
5843 return rc;
5844}
ed8680a7 5845static void bnx2x_set_gmii_tx_driver(struct link_params *params)
ea4e040a
YR
5846{
5847 struct bnx2x *bp = params->bp;
e10bc84d 5848 struct bnx2x_phy *phy = &params->phy[INT_PHY];
ea4e040a
YR
5849 u16 lp_up2;
5850 u16 tx_driver;
c2c8b03e 5851 u16 bank;
ea4e040a 5852
d231023e 5853 /* Read precomp */
cd2be89b 5854 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5855 MDIO_REG_BANK_OVER_1G,
5856 MDIO_OVER_1G_LP_UP2, &lp_up2);
ea4e040a 5857
d231023e 5858 /* Bits [10:7] at lp_up2, positioned at [15:12] */
ea4e040a
YR
5859 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
5860 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
5861 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
5862
c2c8b03e
EG
5863 if (lp_up2 == 0)
5864 return;
5865
5866 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
5867 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
cd2be89b 5868 CL22_RD_OVER_CL45(bp, phy,
cd88ccee
YR
5869 bank,
5870 MDIO_TX0_TX_DRIVER, &tx_driver);
c2c8b03e 5871
d231023e 5872 /* Replace tx_driver bits [15:12] */
c2c8b03e
EG
5873 if (lp_up2 !=
5874 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
5875 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
5876 tx_driver |= lp_up2;
cd2be89b 5877 CL22_WR_OVER_CL45(bp, phy,
cd88ccee
YR
5878 bank,
5879 MDIO_TX0_TX_DRIVER, tx_driver);
c2c8b03e 5880 }
ea4e040a
YR
5881 }
5882}
5883
fcf5b650
YR
5884static int bnx2x_emac_program(struct link_params *params,
5885 struct link_vars *vars)
ea4e040a
YR
5886{
5887 struct bnx2x *bp = params->bp;
5888 u8 port = params->port;
5889 u16 mode = 0;
5890
5891 DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
5892 bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
cd88ccee
YR
5893 EMAC_REG_EMAC_MODE,
5894 (EMAC_MODE_25G_MODE |
5895 EMAC_MODE_PORT_MII_10M |
5896 EMAC_MODE_HALF_DUPLEX));
b7737c9b 5897 switch (vars->line_speed) {
ea4e040a
YR
5898 case SPEED_10:
5899 mode |= EMAC_MODE_PORT_MII_10M;
5900 break;
5901
5902 case SPEED_100:
5903 mode |= EMAC_MODE_PORT_MII;
5904 break;
5905
5906 case SPEED_1000:
5907 mode |= EMAC_MODE_PORT_GMII;
5908 break;
5909
5910 case SPEED_2500:
5911 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
5912 break;
5913
5914 default:
5915 /* 10G not valid for EMAC */
b7737c9b
YR
5916 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5917 vars->line_speed);
ea4e040a
YR
5918 return -EINVAL;
5919 }
5920
b7737c9b 5921 if (vars->duplex == DUPLEX_HALF)
ea4e040a
YR
5922 mode |= EMAC_MODE_HALF_DUPLEX;
5923 bnx2x_bits_en(bp,
cd88ccee
YR
5924 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
5925 mode);
ea4e040a 5926
7f02c4ad 5927 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
ea4e040a
YR
5928 return 0;
5929}
5930
de6eae1f
YR
5931static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
5932 struct link_params *params)
b7737c9b 5933{
de6eae1f
YR
5934
5935 u16 bank, i = 0;
5936 struct bnx2x *bp = params->bp;
5937
5938 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
5939 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
cd2be89b 5940 CL22_WR_OVER_CL45(bp, phy,
de6eae1f
YR
5941 bank,
5942 MDIO_RX0_RX_EQ_BOOST,
5943 phy->rx_preemphasis[i]);
5944 }
5945
5946 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
5947 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
cd2be89b 5948 CL22_WR_OVER_CL45(bp, phy,
de6eae1f
YR
5949 bank,
5950 MDIO_TX0_TX_DRIVER,
5951 phy->tx_preemphasis[i]);
5952 }
5953}
5954
ec146a6f
YR
5955static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
5956 struct link_params *params,
5957 struct link_vars *vars)
de6eae1f
YR
5958{
5959 struct bnx2x *bp = params->bp;
5960 u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
5961 (params->loopback_mode == LOOPBACK_XGXS));
5962 if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
5963 if (SINGLE_MEDIA_DIRECT(params) &&
5964 (params->feature_config_flags &
5965 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
5966 bnx2x_set_preemphasis(phy, params);
5967
d231023e 5968 /* Forced speed requested? */
de6eae1f
YR
5969 if (vars->line_speed != SPEED_AUTO_NEG ||
5970 (SINGLE_MEDIA_DIRECT(params) &&
cd88ccee 5971 params->loopback_mode == LOOPBACK_EXT)) {
de6eae1f
YR
5972 DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
5973
d231023e 5974 /* Disable autoneg */
de6eae1f
YR
5975 bnx2x_set_autoneg(phy, params, vars, 0);
5976
d231023e 5977 /* Program speed and duplex */
de6eae1f
YR
5978 bnx2x_program_serdes(phy, params, vars);
5979
5980 } else { /* AN_mode */
5981 DP(NETIF_MSG_LINK, "not SGMII, AN\n");
5982
5983 /* AN enabled */
9045f6b4 5984 bnx2x_set_brcm_cl37_advertisement(phy, params);
de6eae1f 5985
d231023e 5986 /* Program duplex & pause advertisement (for aneg) */
9045f6b4
YR
5987 bnx2x_set_ieee_aneg_advertisement(phy, params,
5988 vars->ieee_fc);
de6eae1f 5989
d231023e 5990 /* Enable autoneg */
de6eae1f
YR
5991 bnx2x_set_autoneg(phy, params, vars, enable_cl73);
5992
d231023e 5993 /* Enable and restart AN */
de6eae1f
YR
5994 bnx2x_restart_autoneg(phy, params, enable_cl73);
5995 }
5996
5997 } else { /* SGMII mode */
5998 DP(NETIF_MSG_LINK, "SGMII\n");
5999
6000 bnx2x_initialize_sgmii_process(phy, params, vars);
6001 }
6002}
6003
ec146a6f
YR
6004static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
6005 struct link_params *params,
6006 struct link_vars *vars)
b7737c9b 6007{
fcf5b650 6008 int rc;
ec146a6f 6009 vars->phy_flags |= PHY_XGXS_FLAG;
b7737c9b
YR
6010 if ((phy->req_line_speed &&
6011 ((phy->req_line_speed == SPEED_100) ||
6012 (phy->req_line_speed == SPEED_10))) ||
6013 (!phy->req_line_speed &&
6014 (phy->speed_cap_mask >=
6015 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
6016 (phy->speed_cap_mask <
ec146a6f
YR
6017 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
6018 (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
b7737c9b
YR
6019 vars->phy_flags |= PHY_SGMII_FLAG;
6020 else
6021 vars->phy_flags &= ~PHY_SGMII_FLAG;
6022
6023 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
ec146a6f
YR
6024 bnx2x_set_aer_mmd(params, phy);
6025 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
6026 bnx2x_set_master_ln(params, phy);
b7737c9b
YR
6027
6028 rc = bnx2x_reset_unicore(params, phy, 0);
d231023e
YM
6029 /* Reset the SerDes and wait for reset bit return low */
6030 if (rc)
b7737c9b
YR
6031 return rc;
6032
ec146a6f 6033 bnx2x_set_aer_mmd(params, phy);
d231023e 6034 /* Setting the masterLn_def again after the reset */
ec146a6f
YR
6035 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
6036 bnx2x_set_master_ln(params, phy);
6037 bnx2x_set_swap_lanes(params, phy);
6038 }
b7737c9b
YR
6039
6040 return rc;
6041}
c18aa15d 6042
de6eae1f 6043static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
6d870c39
YR
6044 struct bnx2x_phy *phy,
6045 struct link_params *params)
ea4e040a 6046{
de6eae1f 6047 u16 cnt, ctrl;
25985edc 6048 /* Wait for soft reset to get cleared up to 1 sec */
de6eae1f 6049 for (cnt = 0; cnt < 1000; cnt++) {
52c4d6c4 6050 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6583e33b
YR
6051 bnx2x_cl22_read(bp, phy,
6052 MDIO_PMA_REG_CTRL, &ctrl);
6053 else
6054 bnx2x_cl45_read(bp, phy,
6055 MDIO_PMA_DEVAD,
6056 MDIO_PMA_REG_CTRL, &ctrl);
de6eae1f
YR
6057 if (!(ctrl & (1<<15)))
6058 break;
d231023e 6059 usleep_range(1000, 2000);
de6eae1f 6060 }
6d870c39
YR
6061
6062 if (cnt == 1000)
6063 netdev_err(bp->dev, "Warning: PHY was not initialized,"
6064 " Port %d\n",
6065 params->port);
de6eae1f
YR
6066 DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
6067 return cnt;
ea4e040a
YR
6068}
6069
de6eae1f 6070static void bnx2x_link_int_enable(struct link_params *params)
a35da8db 6071{
de6eae1f
YR
6072 u8 port = params->port;
6073 u32 mask;
6074 struct bnx2x *bp = params->bp;
c18aa15d 6075
2cf7acf9 6076 /* Setting the status to report on link up for either XGXS or SerDes */
3c9ada22
YR
6077 if (CHIP_IS_E3(bp)) {
6078 mask = NIG_MASK_XGXS0_LINK_STATUS;
6079 if (!(SINGLE_MEDIA_DIRECT(params)))
6080 mask |= NIG_MASK_MI_INT;
6081 } else if (params->switch_cfg == SWITCH_CFG_10G) {
de6eae1f
YR
6082 mask = (NIG_MASK_XGXS0_LINK10G |
6083 NIG_MASK_XGXS0_LINK_STATUS);
6084 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
6085 if (!(SINGLE_MEDIA_DIRECT(params)) &&
6086 params->phy[INT_PHY].type !=
6087 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
6088 mask |= NIG_MASK_MI_INT;
6089 DP(NETIF_MSG_LINK, "enabled external phy int\n");
6090 }
6091
6092 } else { /* SerDes */
6093 mask = NIG_MASK_SERDES0_LINK_STATUS;
6094 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
6095 if (!(SINGLE_MEDIA_DIRECT(params)) &&
6096 params->phy[INT_PHY].type !=
6097 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
6098 mask |= NIG_MASK_MI_INT;
6099 DP(NETIF_MSG_LINK, "enabled external phy int\n");
6100 }
6101 }
6102 bnx2x_bits_en(bp,
6103 NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
6104 mask);
6105
6106 DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
6107 (params->switch_cfg == SWITCH_CFG_10G),
6108 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6109 DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
6110 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6111 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
6112 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
6113 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6114 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6115 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
a35da8db
EG
6116}
6117
a22f0788
YR
6118static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
6119 u8 exp_mi_int)
a35da8db 6120{
a22f0788
YR
6121 u32 latch_status = 0;
6122
8f73f0b9 6123 /* Disable the MI INT ( external phy int ) by writing 1 to the
a22f0788
YR
6124 * status register. Link down indication is high-active-signal,
6125 * so in this case we need to write the status to clear the XOR
de6eae1f
YR
6126 */
6127 /* Read Latched signals */
6128 latch_status = REG_RD(bp,
a22f0788
YR
6129 NIG_REG_LATCH_STATUS_0 + port*8);
6130 DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
de6eae1f 6131 /* Handle only those with latched-signal=up.*/
a22f0788
YR
6132 if (exp_mi_int)
6133 bnx2x_bits_en(bp,
6134 NIG_REG_STATUS_INTERRUPT_PORT0
6135 + port*4,
6136 NIG_STATUS_EMAC0_MI_INT);
6137 else
6138 bnx2x_bits_dis(bp,
6139 NIG_REG_STATUS_INTERRUPT_PORT0
6140 + port*4,
6141 NIG_STATUS_EMAC0_MI_INT);
6142
de6eae1f 6143 if (latch_status & 1) {
a22f0788 6144
de6eae1f
YR
6145 /* For all latched-signal=up : Re-Arm Latch signals */
6146 REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
cd88ccee 6147 (latch_status & 0xfffe) | (latch_status & 1));
de6eae1f 6148 }
a22f0788 6149 /* For all latched-signal=up,Write original_signal to status */
a35da8db
EG
6150}
6151
de6eae1f 6152static void bnx2x_link_int_ack(struct link_params *params,
3c9ada22 6153 struct link_vars *vars, u8 is_10g_plus)
b1607af5 6154{
e10bc84d 6155 struct bnx2x *bp = params->bp;
de6eae1f 6156 u8 port = params->port;
3c9ada22 6157 u32 mask;
8f73f0b9 6158 /* First reset all status we assume only one line will be
2cf7acf9
YR
6159 * change at a time
6160 */
de6eae1f 6161 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
cd88ccee
YR
6162 (NIG_STATUS_XGXS0_LINK10G |
6163 NIG_STATUS_XGXS0_LINK_STATUS |
6164 NIG_STATUS_SERDES0_LINK_STATUS));
de6eae1f 6165 if (vars->phy_link_up) {
3c9ada22
YR
6166 if (USES_WARPCORE(bp))
6167 mask = NIG_STATUS_XGXS0_LINK_STATUS;
6168 else {
6169 if (is_10g_plus)
6170 mask = NIG_STATUS_XGXS0_LINK10G;
6171 else if (params->switch_cfg == SWITCH_CFG_10G) {
8f73f0b9 6172 /* Disable the link interrupt by writing 1 to
3c9ada22
YR
6173 * the relevant lane in the status register
6174 */
6175 u32 ser_lane =
6176 ((params->lane_config &
de6eae1f
YR
6177 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
6178 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3c9ada22
YR
6179 mask = ((1 << ser_lane) <<
6180 NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
6181 } else
6182 mask = NIG_STATUS_SERDES0_LINK_STATUS;
de6eae1f 6183 }
3c9ada22
YR
6184 DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
6185 mask);
6186 bnx2x_bits_en(bp,
6187 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6188 mask);
ea4e040a 6189 }
ea4e040a 6190}
ea4e040a 6191
fcf5b650 6192static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
de6eae1f
YR
6193{
6194 u8 *str_ptr = str;
6195 u32 mask = 0xf0000000;
6196 u8 shift = 8*4;
6197 u8 digit;
a22f0788 6198 u8 remove_leading_zeros = 1;
de6eae1f
YR
6199 if (*len < 10) {
6200 /* Need more than 10chars for this format */
6201 *str_ptr = '\0';
a22f0788 6202 (*len)--;
de6eae1f 6203 return -EINVAL;
ea4e040a 6204 }
de6eae1f 6205 while (shift > 0) {
ea4e040a 6206
de6eae1f
YR
6207 shift -= 4;
6208 digit = ((num & mask) >> shift);
a22f0788
YR
6209 if (digit == 0 && remove_leading_zeros) {
6210 mask = mask >> 4;
6211 continue;
6212 } else if (digit < 0xa)
de6eae1f
YR
6213 *str_ptr = digit + '0';
6214 else
6215 *str_ptr = digit - 0xa + 'a';
a22f0788 6216 remove_leading_zeros = 0;
de6eae1f 6217 str_ptr++;
a22f0788 6218 (*len)--;
de6eae1f
YR
6219 mask = mask >> 4;
6220 if (shift == 4*4) {
a22f0788 6221 *str_ptr = '.';
de6eae1f 6222 str_ptr++;
a22f0788
YR
6223 (*len)--;
6224 remove_leading_zeros = 1;
ea4e040a 6225 }
ea4e040a 6226 }
de6eae1f 6227 return 0;
ea4e040a
YR
6228}
6229
a22f0788 6230
fcf5b650 6231static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
ea4e040a 6232{
de6eae1f
YR
6233 str[0] = '\0';
6234 (*len)--;
6235 return 0;
6236}
ea4e040a 6237
a1e785e0
MY
6238int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
6239 u16 len)
de6eae1f
YR
6240{
6241 struct bnx2x *bp;
6242 u32 spirom_ver = 0;
fcf5b650 6243 int status = 0;
de6eae1f 6244 u8 *ver_p = version;
a22f0788 6245 u16 remain_len = len;
de6eae1f
YR
6246 if (version == NULL || params == NULL)
6247 return -EINVAL;
6248 bp = params->bp;
ea4e040a 6249
de6eae1f
YR
6250 /* Extract first external phy*/
6251 version[0] = '\0';
6252 spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
ea4e040a 6253
a22f0788 6254 if (params->phy[EXT_PHY1].format_fw_ver) {
de6eae1f
YR
6255 status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
6256 ver_p,
a22f0788
YR
6257 &remain_len);
6258 ver_p += (len - remain_len);
6259 }
6260 if ((params->num_phys == MAX_PHYS) &&
6261 (params->phy[EXT_PHY2].ver_addr != 0)) {
cd88ccee 6262 spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
a22f0788
YR
6263 if (params->phy[EXT_PHY2].format_fw_ver) {
6264 *ver_p = '/';
6265 ver_p++;
6266 remain_len--;
6267 status |= params->phy[EXT_PHY2].format_fw_ver(
6268 spirom_ver,
6269 ver_p,
6270 &remain_len);
6271 ver_p = version + (len - remain_len);
6272 }
6273 }
6274 *ver_p = '\0';
de6eae1f 6275 return status;
6bbca910 6276}
ea4e040a 6277
de6eae1f
YR
6278static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
6279 struct link_params *params)
589abe3a 6280{
de6eae1f 6281 u8 port = params->port;
589abe3a 6282 struct bnx2x *bp = params->bp;
589abe3a 6283
de6eae1f 6284 if (phy->req_line_speed != SPEED_1000) {
3c9ada22 6285 u32 md_devad = 0;
589abe3a 6286
de6eae1f 6287 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
589abe3a 6288
3c9ada22 6289 if (!CHIP_IS_E3(bp)) {
d231023e 6290 /* Change the uni_phy_addr in the nig */
3c9ada22
YR
6291 md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
6292 port*0x18));
cc1cb004 6293
3c9ada22
YR
6294 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6295 0x5);
6296 }
589abe3a 6297
de6eae1f 6298 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
6299 5,
6300 (MDIO_REG_BANK_AER_BLOCK +
6301 (MDIO_AER_BLOCK_AER_REG & 0xf)),
6302 0x2800);
589abe3a 6303
de6eae1f 6304 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
6305 5,
6306 (MDIO_REG_BANK_CL73_IEEEB0 +
6307 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
6308 0x6041);
de6eae1f 6309 msleep(200);
d231023e 6310 /* Set aer mmd back */
ec146a6f 6311 bnx2x_set_aer_mmd(params, phy);
589abe3a 6312
3c9ada22 6313 if (!CHIP_IS_E3(bp)) {
d231023e 6314 /* And md_devad */
3c9ada22
YR
6315 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6316 md_devad);
6317 }
de6eae1f
YR
6318 } else {
6319 u16 mii_ctrl;
6320 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
6321 bnx2x_cl45_read(bp, phy, 5,
6322 (MDIO_REG_BANK_COMBO_IEEE0 +
6323 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6324 &mii_ctrl);
6325 bnx2x_cl45_write(bp, phy, 5,
6326 (MDIO_REG_BANK_COMBO_IEEE0 +
6327 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6328 mii_ctrl |
6329 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
6330 }
589abe3a
EG
6331}
6332
fcf5b650
YR
6333int bnx2x_set_led(struct link_params *params,
6334 struct link_vars *vars, u8 mode, u32 speed)
4d295db0 6335{
de6eae1f
YR
6336 u8 port = params->port;
6337 u16 hw_led_mode = params->hw_led_mode;
fcf5b650
YR
6338 int rc = 0;
6339 u8 phy_idx;
de6eae1f
YR
6340 u32 tmp;
6341 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
589abe3a 6342 struct bnx2x *bp = params->bp;
de6eae1f
YR
6343 DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
6344 DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
6345 speed, hw_led_mode);
7f02c4ad
YR
6346 /* In case */
6347 for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
6348 if (params->phy[phy_idx].set_link_led) {
6349 params->phy[phy_idx].set_link_led(
6350 &params->phy[phy_idx], params, mode);
6351 }
6352 }
6353
de6eae1f 6354 switch (mode) {
7f02c4ad 6355 case LED_MODE_FRONT_PANEL_OFF:
de6eae1f
YR
6356 case LED_MODE_OFF:
6357 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
6358 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
cd88ccee 6359 SHARED_HW_CFG_LED_MAC1);
589abe3a 6360
de6eae1f 6361 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
001cea77 6362 if (params->phy[EXT_PHY1].type ==
9379c9be
YR
6363 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6364 tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
6365 EMAC_LED_100MB_OVERRIDE |
6366 EMAC_LED_10MB_OVERRIDE);
6367 else
6368 tmp |= EMAC_LED_OVERRIDE;
6369
6370 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
de6eae1f 6371 break;
589abe3a 6372
de6eae1f 6373 case LED_MODE_OPER:
8f73f0b9 6374 /* For all other phys, OPER mode is same as ON, so in case
7f02c4ad 6375 * link is down, do nothing
2cf7acf9 6376 */
7f02c4ad
YR
6377 if (!vars->link_up)
6378 break;
6379 case LED_MODE_ON:
e4d78f12
YR
6380 if (((params->phy[EXT_PHY1].type ==
6381 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
6382 (params->phy[EXT_PHY1].type ==
6383 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
1f48353a 6384 CHIP_IS_E2(bp) && params->num_phys == 2) {
8f73f0b9 6385 /* This is a work-around for E2+8727 Configurations */
1f48353a
YR
6386 if (mode == LED_MODE_ON ||
6387 speed == SPEED_10000){
6388 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6389 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6390
6391 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6392 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6393 (tmp | EMAC_LED_OVERRIDE));
8f73f0b9 6394 /* Return here without enabling traffic
ab505dec 6395 * LED blink and setting rate in ON mode.
793bd450
YR
6396 * In oper mode, enabling LED blink
6397 * and setting rate is needed.
6398 */
6399 if (mode == LED_MODE_ON)
6400 return rc;
1f48353a 6401 }
793bd450 6402 } else if (SINGLE_MEDIA_DIRECT(params)) {
8f73f0b9 6403 /* This is a work-around for HW issue found when link
2cf7acf9
YR
6404 * is up in CL73
6405 */
ab505dec
YR
6406 if ((!CHIP_IS_E3(bp)) ||
6407 (CHIP_IS_E3(bp) &&
6408 mode == LED_MODE_ON))
6409 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6410
793bd450
YR
6411 if (CHIP_IS_E1x(bp) ||
6412 CHIP_IS_E2(bp) ||
6413 (mode == LED_MODE_ON))
6414 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6415 else
6416 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6417 hw_led_mode);
001cea77
YR
6418 } else if ((params->phy[EXT_PHY1].type ==
6419 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
9379c9be 6420 (mode == LED_MODE_ON)) {
001cea77
YR
6421 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6422 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
9379c9be
YR
6423 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
6424 EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
6425 /* Break here; otherwise, it'll disable the
6426 * intended override.
6427 */
6428 break;
793bd450 6429 } else
001cea77
YR
6430 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6431 hw_led_mode);
589abe3a 6432
cd88ccee 6433 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
de6eae1f 6434 /* Set blinking rate to ~15.9Hz */
26ffaf36
YR
6435 if (CHIP_IS_E3(bp))
6436 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6437 LED_BLINK_RATE_VAL_E3);
6438 else
6439 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6440 LED_BLINK_RATE_VAL_E1X_E2);
de6eae1f 6441 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
cd88ccee 6442 port*4, 1);
9379c9be
YR
6443 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6444 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6445 (tmp & (~EMAC_LED_OVERRIDE)));
589abe3a 6446
de6eae1f
YR
6447 if (CHIP_IS_E1(bp) &&
6448 ((speed == SPEED_2500) ||
6449 (speed == SPEED_1000) ||
6450 (speed == SPEED_100) ||
6451 (speed == SPEED_10))) {
8f73f0b9 6452 /* For speeds less than 10G LED scheme is different */
de6eae1f 6453 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
cd88ccee 6454 + port*4, 1);
de6eae1f 6455 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
cd88ccee 6456 port*4, 0);
de6eae1f 6457 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
cd88ccee 6458 port*4, 1);
de6eae1f
YR
6459 }
6460 break;
589abe3a 6461
de6eae1f
YR
6462 default:
6463 rc = -EINVAL;
6464 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
6465 mode);
6466 break;
589abe3a 6467 }
de6eae1f 6468 return rc;
589abe3a 6469
4d295db0
EG
6470}
6471
8f73f0b9 6472/* This function comes to reflect the actual link state read DIRECTLY from the
a22f0788
YR
6473 * HW
6474 */
fcf5b650
YR
6475int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
6476 u8 is_serdes)
4d295db0
EG
6477{
6478 struct bnx2x *bp = params->bp;
de6eae1f 6479 u16 gp_status = 0, phy_index = 0;
a22f0788
YR
6480 u8 ext_phy_link_up = 0, serdes_phy_type;
6481 struct link_vars temp_vars;
3c9ada22
YR
6482 struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
6483
6484 if (CHIP_IS_E3(bp)) {
6485 u16 link_up;
6486 if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
6487 > SPEED_10000) {
6488 /* Check 20G link */
6489 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6490 1, &link_up);
6491 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6492 1, &link_up);
6493 link_up &= (1<<2);
6494 } else {
6495 /* Check 10G link and below*/
6496 u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
6497 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6498 MDIO_WC_REG_GP2_STATUS_GP_2_1,
6499 &gp_status);
6500 gp_status = ((gp_status >> 8) & 0xf) |
6501 ((gp_status >> 12) & 0xf);
6502 link_up = gp_status & (1 << lane);
6503 }
6504 if (!link_up)
6505 return -ESRCH;
6506 } else {
6507 CL22_RD_OVER_CL45(bp, int_phy,
cd88ccee
YR
6508 MDIO_REG_BANK_GP_STATUS,
6509 MDIO_GP_STATUS_TOP_AN_STATUS1,
6510 &gp_status);
d231023e 6511 /* Link is up only if both local phy and external phy are up */
a22f0788
YR
6512 if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
6513 return -ESRCH;
3c9ada22
YR
6514 }
6515 /* In XGXS loopback mode, do not check external PHY */
6516 if (params->loopback_mode == LOOPBACK_XGXS)
6517 return 0;
a22f0788
YR
6518
6519 switch (params->num_phys) {
6520 case 1:
6521 /* No external PHY */
6522 return 0;
6523 case 2:
6524 ext_phy_link_up = params->phy[EXT_PHY1].read_status(
6525 &params->phy[EXT_PHY1],
6526 params, &temp_vars);
6527 break;
6528 case 3: /* Dual Media */
de6eae1f
YR
6529 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6530 phy_index++) {
a22f0788 6531 serdes_phy_type = ((params->phy[phy_index].media_type ==
dbef807e
YM
6532 ETH_PHY_SFPP_10G_FIBER) ||
6533 (params->phy[phy_index].media_type ==
6534 ETH_PHY_SFP_1G_FIBER) ||
a22f0788 6535 (params->phy[phy_index].media_type ==
1ac9e428
YR
6536 ETH_PHY_XFP_FIBER) ||
6537 (params->phy[phy_index].media_type ==
6538 ETH_PHY_DA_TWINAX));
a22f0788
YR
6539
6540 if (is_serdes != serdes_phy_type)
6541 continue;
6542 if (params->phy[phy_index].read_status) {
6543 ext_phy_link_up |=
de6eae1f
YR
6544 params->phy[phy_index].read_status(
6545 &params->phy[phy_index],
6546 params, &temp_vars);
a22f0788 6547 }
de6eae1f 6548 }
a22f0788 6549 break;
4d295db0 6550 }
a22f0788
YR
6551 if (ext_phy_link_up)
6552 return 0;
de6eae1f
YR
6553 return -ESRCH;
6554}
4d295db0 6555
fcf5b650
YR
6556static int bnx2x_link_initialize(struct link_params *params,
6557 struct link_vars *vars)
de6eae1f 6558{
fcf5b650 6559 int rc = 0;
de6eae1f
YR
6560 u8 phy_index, non_ext_phy;
6561 struct bnx2x *bp = params->bp;
8f73f0b9 6562 /* In case of external phy existence, the line speed would be the
2cf7acf9
YR
6563 * line speed linked up by the external phy. In case it is direct
6564 * only, then the line_speed during initialization will be
6565 * equal to the req_line_speed
6566 */
de6eae1f 6567 vars->line_speed = params->phy[INT_PHY].req_line_speed;
4d295db0 6568
8f73f0b9 6569 /* Initialize the internal phy in case this is a direct board
de6eae1f
YR
6570 * (no external phys), or this board has external phy which requires
6571 * to first.
6572 */
3c9ada22
YR
6573 if (!USES_WARPCORE(bp))
6574 bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
de6eae1f
YR
6575 /* init ext phy and enable link state int */
6576 non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
6577 (params->loopback_mode == LOOPBACK_XGXS));
4d295db0 6578
de6eae1f
YR
6579 if (non_ext_phy ||
6580 (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
6581 (params->loopback_mode == LOOPBACK_EXT_PHY)) {
6582 struct bnx2x_phy *phy = &params->phy[INT_PHY];
3c9ada22
YR
6583 if (vars->line_speed == SPEED_AUTO_NEG &&
6584 (CHIP_IS_E1x(bp) ||
6585 CHIP_IS_E2(bp)))
de6eae1f 6586 bnx2x_set_parallel_detection(phy, params);
ec146a6f
YR
6587 if (params->phy[INT_PHY].config_init)
6588 params->phy[INT_PHY].config_init(phy,
6589 params,
6590 vars);
4d295db0
EG
6591 }
6592
de6eae1f 6593 /* Init external phy*/
fd36a2e6
YR
6594 if (non_ext_phy) {
6595 if (params->phy[INT_PHY].supported &
6596 SUPPORTED_FIBRE)
6597 vars->link_status |= LINK_STATUS_SERDES_LINK;
6598 } else {
de6eae1f
YR
6599 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6600 phy_index++) {
8f73f0b9 6601 /* No need to initialize second phy in case of first
a22f0788
YR
6602 * phy only selection. In case of second phy, we do
6603 * need to initialize the first phy, since they are
6604 * connected.
2cf7acf9 6605 */
fd36a2e6
YR
6606 if (params->phy[phy_index].supported &
6607 SUPPORTED_FIBRE)
6608 vars->link_status |= LINK_STATUS_SERDES_LINK;
6609
a22f0788
YR
6610 if (phy_index == EXT_PHY2 &&
6611 (bnx2x_phy_selection(params) ==
6612 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
94f05b0f
JP
6613 DP(NETIF_MSG_LINK,
6614 "Not initializing second phy\n");
a22f0788
YR
6615 continue;
6616 }
de6eae1f
YR
6617 params->phy[phy_index].config_init(
6618 &params->phy[phy_index],
6619 params, vars);
6620 }
fd36a2e6 6621 }
de6eae1f
YR
6622 /* Reset the interrupt indication after phy was initialized */
6623 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
6624 params->port*4,
6625 (NIG_STATUS_XGXS0_LINK10G |
6626 NIG_STATUS_XGXS0_LINK_STATUS |
6627 NIG_STATUS_SERDES0_LINK_STATUS |
6628 NIG_MASK_MI_INT));
6629 return rc;
6630}
4d295db0 6631
de6eae1f
YR
6632static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
6633 struct link_params *params)
6634{
d231023e 6635 /* Reset the SerDes/XGXS */
cd88ccee
YR
6636 REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6637 (0x1ff << (params->port*16)));
589abe3a
EG
6638}
6639
de6eae1f
YR
6640static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
6641 struct link_params *params)
4d295db0 6642{
de6eae1f
YR
6643 struct bnx2x *bp = params->bp;
6644 u8 gpio_port;
6645 /* HW reset */
f2e0899f
DK
6646 if (CHIP_IS_E2(bp))
6647 gpio_port = BP_PATH(bp);
6648 else
6649 gpio_port = params->port;
de6eae1f 6650 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
cd88ccee
YR
6651 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6652 gpio_port);
de6eae1f 6653 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
cd88ccee
YR
6654 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6655 gpio_port);
de6eae1f 6656 DP(NETIF_MSG_LINK, "reset external PHY\n");
4d295db0 6657}
589abe3a 6658
fcf5b650
YR
6659static int bnx2x_update_link_down(struct link_params *params,
6660 struct link_vars *vars)
589abe3a
EG
6661{
6662 struct bnx2x *bp = params->bp;
de6eae1f 6663 u8 port = params->port;
589abe3a 6664
de6eae1f 6665 DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
7f02c4ad 6666 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
3deb8167 6667 vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
d231023e 6668 /* Indicate no mac active */
de6eae1f 6669 vars->mac_type = MAC_TYPE_NONE;
ab6ad5a4 6670
d231023e 6671 /* Update shared memory */
fd36a2e6
YR
6672 vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
6673 LINK_STATUS_LINK_UP |
de6f3377 6674 LINK_STATUS_PHYSICAL_LINK_FLAG |
fd36a2e6
YR
6675 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
6676 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
6677 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
9e7e8399
MY
6678 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
6679 LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
6680 LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
de6eae1f
YR
6681 vars->line_speed = 0;
6682 bnx2x_update_mng(params, vars->link_status);
589abe3a 6683
d231023e 6684 /* Activate nig drain */
de6eae1f 6685 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
4d295db0 6686
d231023e 6687 /* Disable emac */
9380bb9e
YR
6688 if (!CHIP_IS_E3(bp))
6689 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
de6eae1f 6690
d231023e
YM
6691 usleep_range(10000, 20000);
6692 /* Reset BigMac/Xmac */
9380bb9e
YR
6693 if (CHIP_IS_E1x(bp) ||
6694 CHIP_IS_E2(bp)) {
6695 bnx2x_bmac_rx_disable(bp, params->port);
6696 REG_WR(bp, GRCBASE_MISC +
6697 MISC_REGISTERS_RESET_REG_2_CLEAR,
cd88ccee 6698 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
9380bb9e 6699 }
ce7c0489 6700 if (CHIP_IS_E3(bp)) {
d231023e 6701 /* Prevent LPI Generation by chip */
c8c60d88
YM
6702 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
6703 0);
c8c60d88
YM
6704 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
6705 0);
6706 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
6707 SHMEM_EEE_ACTIVE_BIT);
6708
6709 bnx2x_update_mng_eee(params, vars->eee_status);
9380bb9e 6710 bnx2x_xmac_disable(params);
ce7c0489
YR
6711 bnx2x_umac_disable(params);
6712 }
9380bb9e 6713
589abe3a
EG
6714 return 0;
6715}
de6eae1f 6716
fcf5b650
YR
6717static int bnx2x_update_link_up(struct link_params *params,
6718 struct link_vars *vars,
6719 u8 link_10g)
589abe3a
EG
6720{
6721 struct bnx2x *bp = params->bp;
55098c5c 6722 u8 phy_idx, port = params->port;
fcf5b650 6723 int rc = 0;
4d295db0 6724
de6f3377
YR
6725 vars->link_status |= (LINK_STATUS_LINK_UP |
6726 LINK_STATUS_PHYSICAL_LINK_FLAG);
3deb8167 6727 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
7f02c4ad 6728
de6eae1f
YR
6729 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
6730 vars->link_status |=
6731 LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
589abe3a 6732
de6eae1f
YR
6733 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
6734 vars->link_status |=
6735 LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
9380bb9e 6736 if (USES_WARPCORE(bp)) {
3deb8167
YR
6737 if (link_10g) {
6738 if (bnx2x_xmac_enable(params, vars, 0) ==
6739 -ESRCH) {
6740 DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
6741 vars->link_up = 0;
6742 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6743 vars->link_status &= ~LINK_STATUS_LINK_UP;
6744 }
6745 } else
9380bb9e 6746 bnx2x_umac_enable(params, vars, 0);
7f02c4ad 6747 bnx2x_set_led(params, vars,
9380bb9e 6748 LED_MODE_OPER, vars->line_speed);
c8c60d88
YM
6749
6750 if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
6751 (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
6752 DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
6753 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
6754 (params->port << 2), 1);
6755 REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
6756 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
6757 (params->port << 2), 0xfc20);
6758 }
9380bb9e
YR
6759 }
6760 if ((CHIP_IS_E1x(bp) ||
6761 CHIP_IS_E2(bp))) {
6762 if (link_10g) {
3deb8167
YR
6763 if (bnx2x_bmac_enable(params, vars, 0) ==
6764 -ESRCH) {
6765 DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
6766 vars->link_up = 0;
6767 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6768 vars->link_status &= ~LINK_STATUS_LINK_UP;
6769 }
cc1cb004 6770
9380bb9e
YR
6771 bnx2x_set_led(params, vars,
6772 LED_MODE_OPER, SPEED_10000);
6773 } else {
6774 rc = bnx2x_emac_program(params, vars);
6775 bnx2x_emac_enable(params, vars, 0);
6776
6777 /* AN complete? */
6778 if ((vars->link_status &
6779 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
6780 && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
6781 SINGLE_MEDIA_DIRECT(params))
6782 bnx2x_set_gmii_tx_driver(params);
6783 }
de6eae1f 6784 }
cc1cb004 6785
de6eae1f 6786 /* PBF - link up */
9380bb9e 6787 if (CHIP_IS_E1x(bp))
f2e0899f
DK
6788 rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6789 vars->line_speed);
589abe3a 6790
d231023e 6791 /* Disable drain */
de6eae1f 6792 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
589abe3a 6793
d231023e 6794 /* Update shared memory */
de6eae1f 6795 bnx2x_update_mng(params, vars->link_status);
c8c60d88 6796 bnx2x_update_mng_eee(params, vars->eee_status);
55098c5c
YR
6797 /* Check remote fault */
6798 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
6799 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
6800 bnx2x_check_half_open_conn(params, vars, 0);
6801 break;
6802 }
6803 }
de6eae1f
YR
6804 msleep(20);
6805 return rc;
589abe3a 6806}
8f73f0b9 6807/* The bnx2x_link_update function should be called upon link
de6eae1f
YR
6808 * interrupt.
6809 * Link is considered up as follows:
6810 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
6811 * to be up
6812 * - SINGLE_MEDIA - The link between the 577xx and the external
6813 * phy (XGXS) need to up as well as the external link of the
6814 * phy (PHY_EXT1)
6815 * - DUAL_MEDIA - The link between the 577xx and the first
6816 * external phy needs to be up, and at least one of the 2
6817 * external phy link must be up.
6818 */
fcf5b650 6819int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
4d295db0 6820{
de6eae1f
YR
6821 struct bnx2x *bp = params->bp;
6822 struct link_vars phy_vars[MAX_PHYS];
6823 u8 port = params->port;
3c9ada22 6824 u8 link_10g_plus, phy_index;
fcf5b650
YR
6825 u8 ext_phy_link_up = 0, cur_link_up;
6826 int rc = 0;
de6eae1f
YR
6827 u8 is_mi_int = 0;
6828 u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
6829 u8 active_external_phy = INT_PHY;
3deb8167 6830 vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
de6eae1f
YR
6831 for (phy_index = INT_PHY; phy_index < params->num_phys;
6832 phy_index++) {
6833 phy_vars[phy_index].flow_ctrl = 0;
6834 phy_vars[phy_index].link_status = 0;
6835 phy_vars[phy_index].line_speed = 0;
6836 phy_vars[phy_index].duplex = DUPLEX_FULL;
6837 phy_vars[phy_index].phy_link_up = 0;
6838 phy_vars[phy_index].link_up = 0;
c688fe2f 6839 phy_vars[phy_index].fault_detected = 0;
c8c60d88
YM
6840 /* different consideration, since vars holds inner state */
6841 phy_vars[phy_index].eee_status = vars->eee_status;
de6eae1f 6842 }
4d295db0 6843
3c9ada22
YR
6844 if (USES_WARPCORE(bp))
6845 bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
6846
de6eae1f
YR
6847 DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
6848 port, (vars->phy_flags & PHY_XGXS_FLAG),
6849 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
4d295db0 6850
de6eae1f 6851 is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
cd88ccee 6852 port*0x18) > 0);
de6eae1f
YR
6853 DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
6854 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6855 is_mi_int,
cd88ccee 6856 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
4d295db0 6857
de6eae1f
YR
6858 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6859 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6860 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
4d295db0 6861
d231023e 6862 /* Disable emac */
9380bb9e
YR
6863 if (!CHIP_IS_E3(bp))
6864 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
4d295db0 6865
8f73f0b9 6866 /* Step 1:
2cf7acf9
YR
6867 * Check external link change only for external phys, and apply
6868 * priority selection between them in case the link on both phys
9045f6b4 6869 * is up. Note that instead of the common vars, a temporary
2cf7acf9
YR
6870 * vars argument is used since each phy may have different link/
6871 * speed/duplex result
6872 */
de6eae1f
YR
6873 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6874 phy_index++) {
6875 struct bnx2x_phy *phy = &params->phy[phy_index];
6876 if (!phy->read_status)
6877 continue;
6878 /* Read link status and params of this ext phy */
6879 cur_link_up = phy->read_status(phy, params,
6880 &phy_vars[phy_index]);
6881 if (cur_link_up) {
6882 DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
6883 phy_index);
6884 } else {
6885 DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
6886 phy_index);
6887 continue;
6888 }
e10bc84d 6889
de6eae1f
YR
6890 if (!ext_phy_link_up) {
6891 ext_phy_link_up = 1;
6892 active_external_phy = phy_index;
a22f0788
YR
6893 } else {
6894 switch (bnx2x_phy_selection(params)) {
6895 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6896 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
8f73f0b9 6897 /* In this option, the first PHY makes sure to pass the
a22f0788
YR
6898 * traffic through itself only.
6899 * Its not clear how to reset the link on the second phy
2cf7acf9 6900 */
a22f0788
YR
6901 active_external_phy = EXT_PHY1;
6902 break;
6903 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
8f73f0b9 6904 /* In this option, the first PHY makes sure to pass the
a22f0788 6905 * traffic through the second PHY.
2cf7acf9 6906 */
a22f0788
YR
6907 active_external_phy = EXT_PHY2;
6908 break;
6909 default:
8f73f0b9 6910 /* Link indication on both PHYs with the following cases
a22f0788
YR
6911 * is invalid:
6912 * - FIRST_PHY means that second phy wasn't initialized,
6913 * hence its link is expected to be down
6914 * - SECOND_PHY means that first phy should not be able
6915 * to link up by itself (using configuration)
6916 * - DEFAULT should be overriden during initialiazation
2cf7acf9 6917 */
a22f0788
YR
6918 DP(NETIF_MSG_LINK, "Invalid link indication"
6919 "mpc=0x%x. DISABLING LINK !!!\n",
6920 params->multi_phy_config);
6921 ext_phy_link_up = 0;
6922 break;
6923 }
589abe3a 6924 }
589abe3a 6925 }
de6eae1f 6926 prev_line_speed = vars->line_speed;
8f73f0b9 6927 /* Step 2:
2cf7acf9
YR
6928 * Read the status of the internal phy. In case of
6929 * DIRECT_SINGLE_MEDIA board, this link is the external link,
6930 * otherwise this is the link between the 577xx and the first
6931 * external phy
6932 */
de6eae1f
YR
6933 if (params->phy[INT_PHY].read_status)
6934 params->phy[INT_PHY].read_status(
6935 &params->phy[INT_PHY],
6936 params, vars);
8f73f0b9 6937 /* The INT_PHY flow control reside in the vars. This include the
de6eae1f
YR
6938 * case where the speed or flow control are not set to AUTO.
6939 * Otherwise, the active external phy flow control result is set
6940 * to the vars. The ext_phy_line_speed is needed to check if the
6941 * speed is different between the internal phy and external phy.
6942 * This case may be result of intermediate link speed change.
4d295db0 6943 */
de6eae1f
YR
6944 if (active_external_phy > INT_PHY) {
6945 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
8f73f0b9 6946 /* Link speed is taken from the XGXS. AN and FC result from
de6eae1f 6947 * the external phy.
4d295db0 6948 */
de6eae1f 6949 vars->link_status |= phy_vars[active_external_phy].link_status;
a22f0788 6950
8f73f0b9 6951 /* if active_external_phy is first PHY and link is up - disable
a22f0788
YR
6952 * disable TX on second external PHY
6953 */
6954 if (active_external_phy == EXT_PHY1) {
6955 if (params->phy[EXT_PHY2].phy_specific_func) {
94f05b0f
JP
6956 DP(NETIF_MSG_LINK,
6957 "Disabling TX on EXT_PHY2\n");
a22f0788
YR
6958 params->phy[EXT_PHY2].phy_specific_func(
6959 &params->phy[EXT_PHY2],
6960 params, DISABLE_TX);
6961 }
6962 }
6963
de6eae1f
YR
6964 ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
6965 vars->duplex = phy_vars[active_external_phy].duplex;
6966 if (params->phy[active_external_phy].supported &
6967 SUPPORTED_FIBRE)
6968 vars->link_status |= LINK_STATUS_SERDES_LINK;
fd36a2e6
YR
6969 else
6970 vars->link_status &= ~LINK_STATUS_SERDES_LINK;
c8c60d88
YM
6971
6972 vars->eee_status = phy_vars[active_external_phy].eee_status;
6973
de6eae1f
YR
6974 DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
6975 active_external_phy);
6976 }
a22f0788
YR
6977
6978 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6979 phy_index++) {
6980 if (params->phy[phy_index].flags &
6981 FLAGS_REARM_LATCH_SIGNAL) {
6982 bnx2x_rearm_latch_signal(bp, port,
6983 phy_index ==
6984 active_external_phy);
6985 break;
6986 }
6987 }
de6eae1f
YR
6988 DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
6989 " ext_phy_line_speed = %d\n", vars->flow_ctrl,
6990 vars->link_status, ext_phy_line_speed);
8f73f0b9 6991 /* Upon link speed change set the NIG into drain mode. Comes to
de6eae1f
YR
6992 * deals with possible FIFO glitch due to clk change when speed
6993 * is decreased without link down indicator
6994 */
4d295db0 6995
de6eae1f
YR
6996 if (vars->phy_link_up) {
6997 if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
6998 (ext_phy_line_speed != vars->line_speed)) {
6999 DP(NETIF_MSG_LINK, "Internal link speed %d is"
7000 " different than the external"
7001 " link speed %d\n", vars->line_speed,
7002 ext_phy_line_speed);
7003 vars->phy_link_up = 0;
7004 } else if (prev_line_speed != vars->line_speed) {
cd88ccee
YR
7005 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
7006 0);
d231023e 7007 usleep_range(1000, 2000);
de6eae1f
YR
7008 }
7009 }
e10bc84d 7010
d231023e 7011 /* Anything 10 and over uses the bmac */
3c9ada22 7012 link_10g_plus = (vars->line_speed >= SPEED_10000);
589abe3a 7013
3c9ada22 7014 bnx2x_link_int_ack(params, vars, link_10g_plus);
589abe3a 7015
8f73f0b9 7016 /* In case external phy link is up, and internal link is down
2cf7acf9
YR
7017 * (not initialized yet probably after link initialization, it
7018 * needs to be initialized.
7019 * Note that after link down-up as result of cable plug, the xgxs
7020 * link would probably become up again without the need
7021 * initialize it
7022 */
de6eae1f
YR
7023 if (!(SINGLE_MEDIA_DIRECT(params))) {
7024 DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
7025 " init_preceding = %d\n", ext_phy_link_up,
7026 vars->phy_link_up,
7027 params->phy[EXT_PHY1].flags &
7028 FLAGS_INIT_XGXS_FIRST);
7029 if (!(params->phy[EXT_PHY1].flags &
7030 FLAGS_INIT_XGXS_FIRST)
7031 && ext_phy_link_up && !vars->phy_link_up) {
7032 vars->line_speed = ext_phy_line_speed;
7033 if (vars->line_speed < SPEED_1000)
7034 vars->phy_flags |= PHY_SGMII_FLAG;
7035 else
7036 vars->phy_flags &= ~PHY_SGMII_FLAG;
ec146a6f
YR
7037
7038 if (params->phy[INT_PHY].config_init)
7039 params->phy[INT_PHY].config_init(
7040 &params->phy[INT_PHY], params,
de6eae1f 7041 vars);
4d295db0 7042 }
589abe3a 7043 }
8f73f0b9 7044 /* Link is up only if both local phy and external phy (in case of
9045f6b4 7045 * non-direct board) are up and no fault detected on active PHY.
4d295db0 7046 */
de6eae1f
YR
7047 vars->link_up = (vars->phy_link_up &&
7048 (ext_phy_link_up ||
c688fe2f
YR
7049 SINGLE_MEDIA_DIRECT(params)) &&
7050 (phy_vars[active_external_phy].fault_detected == 0));
de6eae1f 7051
27d9129f
YR
7052 /* Update the PFC configuration in case it was changed */
7053 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
7054 vars->link_status |= LINK_STATUS_PFC_ENABLED;
7055 else
7056 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
7057
de6eae1f 7058 if (vars->link_up)
3c9ada22 7059 rc = bnx2x_update_link_up(params, vars, link_10g_plus);
4d295db0 7060 else
de6eae1f 7061 rc = bnx2x_update_link_down(params, vars);
589abe3a 7062
a3348722
BW
7063 /* Update MCP link status was changed */
7064 if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
7065 bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
7066
4d295db0 7067 return rc;
589abe3a
EG
7068}
7069
de6eae1f
YR
7070/*****************************************************************************/
7071/* External Phy section */
7072/*****************************************************************************/
7073void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
7074{
7075 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
cd88ccee 7076 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
d231023e 7077 usleep_range(1000, 2000);
de6eae1f 7078 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
cd88ccee 7079 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
de6eae1f 7080}
589abe3a 7081
de6eae1f
YR
7082static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
7083 u32 spirom_ver, u32 ver_addr)
7084{
7085 DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
7086 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
4d295db0 7087
de6eae1f
YR
7088 if (ver_addr)
7089 REG_WR(bp, ver_addr, spirom_ver);
589abe3a
EG
7090}
7091
de6eae1f
YR
7092static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
7093 struct bnx2x_phy *phy,
7094 u8 port)
6bbca910 7095{
de6eae1f
YR
7096 u16 fw_ver1, fw_ver2;
7097
7098 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
cd88ccee 7099 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
de6eae1f 7100 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
cd88ccee 7101 MDIO_PMA_REG_ROM_VER2, &fw_ver2);
de6eae1f
YR
7102 bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
7103 phy->ver_addr);
ea4e040a 7104}
ab6ad5a4 7105
de6eae1f
YR
7106static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
7107 struct bnx2x_phy *phy,
7108 struct link_vars *vars)
7109{
7110 u16 val;
7111 bnx2x_cl45_read(bp, phy,
7112 MDIO_AN_DEVAD,
7113 MDIO_AN_REG_STATUS, &val);
7114 bnx2x_cl45_read(bp, phy,
7115 MDIO_AN_DEVAD,
7116 MDIO_AN_REG_STATUS, &val);
7117 if (val & (1<<5))
7118 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
7119 if ((val & (1<<0)) == 0)
7120 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
7121}
7122
7123/******************************************************************/
7124/* common BCM8073/BCM8727 PHY SECTION */
7125/******************************************************************/
7126static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
7127 struct link_params *params,
7128 struct link_vars *vars)
7129{
7130 struct bnx2x *bp = params->bp;
7131 if (phy->req_line_speed == SPEED_10 ||
7132 phy->req_line_speed == SPEED_100) {
7133 vars->flow_ctrl = phy->req_flow_ctrl;
7134 return;
7135 }
7136
7137 if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
7138 (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
7139 u16 pause_result;
7140 u16 ld_pause; /* local */
7141 u16 lp_pause; /* link partner */
7142 bnx2x_cl45_read(bp, phy,
7143 MDIO_AN_DEVAD,
7144 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
7145
7146 bnx2x_cl45_read(bp, phy,
7147 MDIO_AN_DEVAD,
7148 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
7149 pause_result = (ld_pause &
7150 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
7151 pause_result |= (lp_pause &
7152 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
7153
7154 bnx2x_pause_resolve(vars, pause_result);
7155 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
7156 pause_result);
7157 }
7158}
fcf5b650
YR
7159static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
7160 struct bnx2x_phy *phy,
7161 u8 port)
de6eae1f 7162{
5c99274b
YR
7163 u32 count = 0;
7164 u16 fw_ver1, fw_msgout;
fcf5b650 7165 int rc = 0;
5c99274b 7166
de6eae1f
YR
7167 /* Boot port from external ROM */
7168 /* EDC grst */
7169 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
7170 MDIO_PMA_DEVAD,
7171 MDIO_PMA_REG_GEN_CTRL,
7172 0x0001);
de6eae1f 7173
d231023e 7174 /* Ucode reboot and rst */
de6eae1f 7175 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
7176 MDIO_PMA_DEVAD,
7177 MDIO_PMA_REG_GEN_CTRL,
7178 0x008c);
de6eae1f
YR
7179
7180 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
7181 MDIO_PMA_DEVAD,
7182 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
de6eae1f
YR
7183
7184 /* Reset internal microprocessor */
7185 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
7186 MDIO_PMA_DEVAD,
7187 MDIO_PMA_REG_GEN_CTRL,
7188 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
de6eae1f
YR
7189
7190 /* Release srst bit */
7191 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
7192 MDIO_PMA_DEVAD,
7193 MDIO_PMA_REG_GEN_CTRL,
7194 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
de6eae1f 7195
5c99274b
YR
7196 /* Delay 100ms per the PHY specifications */
7197 msleep(100);
7198
7199 /* 8073 sometimes taking longer to download */
7200 do {
7201 count++;
7202 if (count > 300) {
7203 DP(NETIF_MSG_LINK,
7204 "bnx2x_8073_8727_external_rom_boot port %x:"
7205 "Download failed. fw version = 0x%x\n",
7206 port, fw_ver1);
7207 rc = -EINVAL;
7208 break;
7209 }
7210
7211 bnx2x_cl45_read(bp, phy,
7212 MDIO_PMA_DEVAD,
7213 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7214 bnx2x_cl45_read(bp, phy,
7215 MDIO_PMA_DEVAD,
7216 MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
7217
d231023e 7218 usleep_range(1000, 2000);
5c99274b
YR
7219 } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
7220 ((fw_msgout & 0xff) != 0x03 && (phy->type ==
7221 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
de6eae1f
YR
7222
7223 /* Clear ser_boot_ctl bit */
7224 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
7225 MDIO_PMA_DEVAD,
7226 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
de6eae1f 7227 bnx2x_save_bcm_spirom_ver(bp, phy, port);
5c99274b
YR
7228
7229 DP(NETIF_MSG_LINK,
7230 "bnx2x_8073_8727_external_rom_boot port %x:"
7231 "Download complete. fw version = 0x%x\n",
7232 port, fw_ver1);
7233
7234 return rc;
de6eae1f
YR
7235}
7236
de6eae1f
YR
7237/******************************************************************/
7238/* BCM8073 PHY SECTION */
7239/******************************************************************/
fcf5b650 7240static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
de6eae1f
YR
7241{
7242 /* This is only required for 8073A1, version 102 only */
7243 u16 val;
7244
7245 /* Read 8073 HW revision*/
7246 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
7247 MDIO_PMA_DEVAD,
7248 MDIO_PMA_REG_8073_CHIP_REV, &val);
de6eae1f
YR
7249
7250 if (val != 1) {
7251 /* No need to workaround in 8073 A1 */
7252 return 0;
7253 }
7254
7255 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
7256 MDIO_PMA_DEVAD,
7257 MDIO_PMA_REG_ROM_VER2, &val);
de6eae1f
YR
7258
7259 /* SNR should be applied only for version 0x102 */
7260 if (val != 0x102)
7261 return 0;
7262
7263 return 1;
7264}
7265
fcf5b650 7266static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
de6eae1f
YR
7267{
7268 u16 val, cnt, cnt1 ;
7269
7270 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
7271 MDIO_PMA_DEVAD,
7272 MDIO_PMA_REG_8073_CHIP_REV, &val);
de6eae1f
YR
7273
7274 if (val > 0) {
7275 /* No need to workaround in 8073 A1 */
7276 return 0;
7277 }
7278 /* XAUI workaround in 8073 A0: */
7279
8f73f0b9 7280 /* After loading the boot ROM and restarting Autoneg, poll
2cf7acf9
YR
7281 * Dev1, Reg $C820:
7282 */
de6eae1f
YR
7283
7284 for (cnt = 0; cnt < 1000; cnt++) {
7285 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
7286 MDIO_PMA_DEVAD,
7287 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7288 &val);
8f73f0b9 7289 /* If bit [14] = 0 or bit [13] = 0, continue on with
2cf7acf9
YR
7290 * system initialization (XAUI work-around not required, as
7291 * these bits indicate 2.5G or 1G link up).
7292 */
de6eae1f
YR
7293 if (!(val & (1<<14)) || !(val & (1<<13))) {
7294 DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
7295 return 0;
7296 } else if (!(val & (1<<15))) {
2cf7acf9 7297 DP(NETIF_MSG_LINK, "bit 15 went off\n");
8f73f0b9 7298 /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
2cf7acf9
YR
7299 * MSB (bit15) goes to 1 (indicating that the XAUI
7300 * workaround has completed), then continue on with
7301 * system initialization.
7302 */
de6eae1f
YR
7303 for (cnt1 = 0; cnt1 < 1000; cnt1++) {
7304 bnx2x_cl45_read(bp, phy,
7305 MDIO_PMA_DEVAD,
7306 MDIO_PMA_REG_8073_XAUI_WA, &val);
7307 if (val & (1<<15)) {
7308 DP(NETIF_MSG_LINK,
7309 "XAUI workaround has completed\n");
7310 return 0;
7311 }
d231023e 7312 usleep_range(3000, 6000);
de6eae1f
YR
7313 }
7314 break;
7315 }
d231023e 7316 usleep_range(3000, 6000);
de6eae1f
YR
7317 }
7318 DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
7319 return -EINVAL;
7320}
7321
7322static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
7323{
7324 /* Force KR or KX */
7325 bnx2x_cl45_write(bp, phy,
7326 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
7327 bnx2x_cl45_write(bp, phy,
7328 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
7329 bnx2x_cl45_write(bp, phy,
7330 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
7331 bnx2x_cl45_write(bp, phy,
7332 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
7333}
7334
6bbca910 7335static void bnx2x_8073_set_pause_cl37(struct link_params *params,
e10bc84d
YR
7336 struct bnx2x_phy *phy,
7337 struct link_vars *vars)
ea4e040a 7338{
6bbca910 7339 u16 cl37_val;
e10bc84d
YR
7340 struct bnx2x *bp = params->bp;
7341 bnx2x_cl45_read(bp, phy,
62b29a5d 7342 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
6bbca910
YR
7343
7344 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7345 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
e10bc84d 7346 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
6bbca910
YR
7347 if ((vars->ieee_fc &
7348 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
7349 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
7350 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
7351 }
7352 if ((vars->ieee_fc &
7353 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
7354 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
7355 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
7356 }
7357 if ((vars->ieee_fc &
7358 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
7359 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
7360 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7361 }
7362 DP(NETIF_MSG_LINK,
7363 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
7364
e10bc84d 7365 bnx2x_cl45_write(bp, phy,
62b29a5d 7366 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
6bbca910 7367 msleep(500);
ea4e040a
YR
7368}
7369
5c107fda
YR
7370static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
7371 struct link_params *params,
7372 u32 action)
7373{
7374 struct bnx2x *bp = params->bp;
7375 switch (action) {
7376 case PHY_INIT:
7377 /* Enable LASI */
7378 bnx2x_cl45_write(bp, phy,
7379 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
7380 bnx2x_cl45_write(bp, phy,
7381 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
7382 break;
7383 }
7384}
7385
fcf5b650
YR
7386static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
7387 struct link_params *params,
7388 struct link_vars *vars)
ea4e040a 7389{
e10bc84d 7390 struct bnx2x *bp = params->bp;
de6eae1f
YR
7391 u16 val = 0, tmp1;
7392 u8 gpio_port;
7393 DP(NETIF_MSG_LINK, "Init 8073\n");
e10bc84d 7394
f2e0899f
DK
7395 if (CHIP_IS_E2(bp))
7396 gpio_port = BP_PATH(bp);
7397 else
7398 gpio_port = params->port;
de6eae1f
YR
7399 /* Restore normal power mode*/
7400 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
cd88ccee 7401 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
e10bc84d 7402
de6eae1f 7403 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
cd88ccee 7404 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
ea4e040a 7405
5c107fda 7406 bnx2x_8073_specific_func(phy, params, PHY_INIT);
de6eae1f 7407 bnx2x_8073_set_pause_cl37(params, phy, vars);
57963ed9 7408
e10bc84d 7409 bnx2x_cl45_read(bp, phy,
de6eae1f 7410 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
2f904460 7411
de6eae1f 7412 bnx2x_cl45_read(bp, phy,
60d2fe03 7413 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
2f904460 7414
de6eae1f 7415 DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
a1e4be39 7416
74d7a119
YR
7417 /* Swap polarity if required - Must be done only in non-1G mode */
7418 if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7419 /* Configure the 8073 to swap _P and _N of the KR lines */
7420 DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
7421 /* 10G Rx/Tx and 1G Tx signal polarity swap */
7422 bnx2x_cl45_read(bp, phy,
7423 MDIO_PMA_DEVAD,
7424 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
7425 bnx2x_cl45_write(bp, phy,
7426 MDIO_PMA_DEVAD,
7427 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
7428 (val | (3<<9)));
7429 }
7430
7431
de6eae1f 7432 /* Enable CL37 BAM */
121839be
YR
7433 if (REG_RD(bp, params->shmem_base +
7434 offsetof(struct shmem_region, dev_info.
7435 port_hw_config[params->port].default_cfg)) &
7436 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
57963ed9 7437
121839be
YR
7438 bnx2x_cl45_read(bp, phy,
7439 MDIO_AN_DEVAD,
7440 MDIO_AN_REG_8073_BAM, &val);
7441 bnx2x_cl45_write(bp, phy,
7442 MDIO_AN_DEVAD,
7443 MDIO_AN_REG_8073_BAM, val | 1);
7444 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
7445 }
de6eae1f
YR
7446 if (params->loopback_mode == LOOPBACK_EXT) {
7447 bnx2x_807x_force_10G(bp, phy);
7448 DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
7449 return 0;
7450 } else {
7451 bnx2x_cl45_write(bp, phy,
7452 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
7453 }
7454 if (phy->req_line_speed != SPEED_AUTO_NEG) {
7455 if (phy->req_line_speed == SPEED_10000) {
7456 val = (1<<7);
7457 } else if (phy->req_line_speed == SPEED_2500) {
7458 val = (1<<5);
8f73f0b9 7459 /* Note that 2.5G works only when used with 1G
25985edc 7460 * advertisement
2cf7acf9 7461 */
de6eae1f
YR
7462 } else
7463 val = (1<<5);
7464 } else {
7465 val = 0;
7466 if (phy->speed_cap_mask &
7467 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
7468 val |= (1<<7);
57963ed9 7469
25985edc 7470 /* Note that 2.5G works only when used with 1G advertisement */
de6eae1f
YR
7471 if (phy->speed_cap_mask &
7472 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
7473 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7474 val |= (1<<5);
7475 DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
7476 }
57963ed9 7477
de6eae1f
YR
7478 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
7479 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
57963ed9 7480
de6eae1f
YR
7481 if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
7482 (phy->req_line_speed == SPEED_AUTO_NEG)) ||
7483 (phy->req_line_speed == SPEED_2500)) {
7484 u16 phy_ver;
7485 /* Allow 2.5G for A1 and above */
7486 bnx2x_cl45_read(bp, phy,
7487 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
7488 &phy_ver);
7489 DP(NETIF_MSG_LINK, "Add 2.5G\n");
7490 if (phy_ver > 0)
7491 tmp1 |= 1;
7492 else
7493 tmp1 &= 0xfffe;
7494 } else {
7495 DP(NETIF_MSG_LINK, "Disable 2.5G\n");
7496 tmp1 &= 0xfffe;
7497 }
57963ed9 7498
de6eae1f
YR
7499 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
7500 /* Add support for CL37 (passive mode) II */
57963ed9 7501
de6eae1f
YR
7502 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
7503 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
7504 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
7505 0x20 : 0x40)));
57963ed9 7506
de6eae1f
YR
7507 /* Add support for CL37 (passive mode) III */
7508 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
57963ed9 7509
8f73f0b9 7510 /* The SNR will improve about 2db by changing BW and FEE main
2cf7acf9
YR
7511 * tap. Rest commands are executed after link is up
7512 * Change FFE main cursor to 5 in EDC register
7513 */
de6eae1f
YR
7514 if (bnx2x_8073_is_snr_needed(bp, phy))
7515 bnx2x_cl45_write(bp, phy,
7516 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
7517 0xFB0C);
57963ed9 7518
de6eae1f
YR
7519 /* Enable FEC (Forware Error Correction) Request in the AN */
7520 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
7521 tmp1 |= (1<<15);
7522 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
57963ed9 7523
de6eae1f 7524 bnx2x_ext_phy_set_pause(params, phy, vars);
57963ed9 7525
de6eae1f
YR
7526 /* Restart autoneg */
7527 msleep(500);
7528 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
7529 DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
7530 ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
7531 return 0;
b7737c9b 7532}
ea4e040a 7533
de6eae1f 7534static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
b7737c9b
YR
7535 struct link_params *params,
7536 struct link_vars *vars)
7537{
7538 struct bnx2x *bp = params->bp;
de6eae1f
YR
7539 u8 link_up = 0;
7540 u16 val1, val2;
7541 u16 link_status = 0;
7542 u16 an1000_status = 0;
a35da8db 7543
de6eae1f 7544 bnx2x_cl45_read(bp, phy,
60d2fe03 7545 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
b7737c9b 7546
de6eae1f 7547 DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
ea4e040a 7548
d231023e 7549 /* Clear the interrupt LASI status register */
de6eae1f
YR
7550 bnx2x_cl45_read(bp, phy,
7551 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7552 bnx2x_cl45_read(bp, phy,
7553 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
7554 DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
7555 /* Clear MSG-OUT */
7556 bnx2x_cl45_read(bp, phy,
7557 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
7558
7559 /* Check the LASI */
7560 bnx2x_cl45_read(bp, phy,
60d2fe03 7561 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
de6eae1f
YR
7562
7563 DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
7564
7565 /* Check the link status */
7566 bnx2x_cl45_read(bp, phy,
7567 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7568 DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
7569
7570 bnx2x_cl45_read(bp, phy,
7571 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7572 bnx2x_cl45_read(bp, phy,
7573 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7574 link_up = ((val1 & 4) == 4);
7575 DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
7576
7577 if (link_up &&
7578 ((phy->req_line_speed != SPEED_10000))) {
7579 if (bnx2x_8073_xaui_wa(bp, phy) != 0)
7580 return 0;
62b29a5d 7581 }
de6eae1f
YR
7582 bnx2x_cl45_read(bp, phy,
7583 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7584 bnx2x_cl45_read(bp, phy,
7585 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
62b29a5d 7586
de6eae1f
YR
7587 /* Check the link status on 1.1.2 */
7588 bnx2x_cl45_read(bp, phy,
7589 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7590 bnx2x_cl45_read(bp, phy,
7591 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7592 DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
7593 "an_link_status=0x%x\n", val2, val1, an1000_status);
62b29a5d 7594
de6eae1f
YR
7595 link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
7596 if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
8f73f0b9 7597 /* The SNR will improve about 2dbby changing the BW and FEE main
2cf7acf9
YR
7598 * tap. The 1st write to change FFE main tap is set before
7599 * restart AN. Change PLL Bandwidth in EDC register
7600 */
62b29a5d 7601 bnx2x_cl45_write(bp, phy,
de6eae1f
YR
7602 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
7603 0x26BC);
62b29a5d 7604
de6eae1f 7605 /* Change CDR Bandwidth in EDC register */
62b29a5d 7606 bnx2x_cl45_write(bp, phy,
de6eae1f
YR
7607 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
7608 0x0333);
7609 }
7610 bnx2x_cl45_read(bp, phy,
7611 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7612 &link_status);
62b29a5d 7613
de6eae1f
YR
7614 /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
7615 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
7616 link_up = 1;
7617 vars->line_speed = SPEED_10000;
7618 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
7619 params->port);
7620 } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
7621 link_up = 1;
7622 vars->line_speed = SPEED_2500;
7623 DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
7624 params->port);
7625 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
7626 link_up = 1;
7627 vars->line_speed = SPEED_1000;
7628 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
7629 params->port);
7630 } else {
7631 link_up = 0;
7632 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
7633 params->port);
62b29a5d 7634 }
de6eae1f
YR
7635
7636 if (link_up) {
74d7a119
YR
7637 /* Swap polarity if required */
7638 if (params->lane_config &
7639 PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7640 /* Configure the 8073 to swap P and N of the KR lines */
7641 bnx2x_cl45_read(bp, phy,
7642 MDIO_XS_DEVAD,
7643 MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
8f73f0b9 7644 /* Set bit 3 to invert Rx in 1G mode and clear this bit
2cf7acf9
YR
7645 * when it`s in 10G mode.
7646 */
74d7a119
YR
7647 if (vars->line_speed == SPEED_1000) {
7648 DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
7649 "the 8073\n");
7650 val1 |= (1<<3);
7651 } else
7652 val1 &= ~(1<<3);
7653
7654 bnx2x_cl45_write(bp, phy,
7655 MDIO_XS_DEVAD,
7656 MDIO_XS_REG_8073_RX_CTRL_PCIE,
7657 val1);
7658 }
de6eae1f
YR
7659 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7660 bnx2x_8073_resolve_fc(phy, params, vars);
791f18c0 7661 vars->duplex = DUPLEX_FULL;
de6eae1f 7662 }
9e7e8399
MY
7663
7664 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
7665 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
7666 MDIO_AN_REG_LP_AUTO_NEG2, &val1);
7667
7668 if (val1 & (1<<5))
7669 vars->link_status |=
7670 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
7671 if (val1 & (1<<7))
7672 vars->link_status |=
7673 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
7674 }
7675
de6eae1f 7676 return link_up;
b7737c9b
YR
7677}
7678
de6eae1f
YR
7679static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
7680 struct link_params *params)
7681{
7682 struct bnx2x *bp = params->bp;
7683 u8 gpio_port;
f2e0899f
DK
7684 if (CHIP_IS_E2(bp))
7685 gpio_port = BP_PATH(bp);
7686 else
7687 gpio_port = params->port;
de6eae1f
YR
7688 DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
7689 gpio_port);
7690 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
cd88ccee
YR
7691 MISC_REGISTERS_GPIO_OUTPUT_LOW,
7692 gpio_port);
de6eae1f
YR
7693}
7694
7695/******************************************************************/
7696/* BCM8705 PHY SECTION */
7697/******************************************************************/
fcf5b650
YR
7698static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
7699 struct link_params *params,
7700 struct link_vars *vars)
b7737c9b
YR
7701{
7702 struct bnx2x *bp = params->bp;
de6eae1f 7703 DP(NETIF_MSG_LINK, "init 8705\n");
b7737c9b
YR
7704 /* Restore normal power mode*/
7705 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
cd88ccee 7706 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
de6eae1f
YR
7707 /* HW reset */
7708 bnx2x_ext_phy_hw_reset(bp, params->port);
7709 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
6d870c39 7710 bnx2x_wait_reset_complete(bp, phy, params);
b7737c9b 7711
de6eae1f
YR
7712 bnx2x_cl45_write(bp, phy,
7713 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
7714 bnx2x_cl45_write(bp, phy,
7715 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
7716 bnx2x_cl45_write(bp, phy,
7717 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
7718 bnx2x_cl45_write(bp, phy,
7719 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
7720 /* BCM8705 doesn't have microcode, hence the 0 */
7721 bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
7722 return 0;
7723}
4d295db0 7724
de6eae1f
YR
7725static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
7726 struct link_params *params,
7727 struct link_vars *vars)
7728{
7729 u8 link_up = 0;
7730 u16 val1, rx_sd;
7731 struct bnx2x *bp = params->bp;
7732 DP(NETIF_MSG_LINK, "read status 8705\n");
7733 bnx2x_cl45_read(bp, phy,
7734 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7735 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
62b29a5d 7736
de6eae1f
YR
7737 bnx2x_cl45_read(bp, phy,
7738 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7739 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
62b29a5d 7740
de6eae1f
YR
7741 bnx2x_cl45_read(bp, phy,
7742 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
c2c8b03e 7743
de6eae1f
YR
7744 bnx2x_cl45_read(bp, phy,
7745 MDIO_PMA_DEVAD, 0xc809, &val1);
7746 bnx2x_cl45_read(bp, phy,
7747 MDIO_PMA_DEVAD, 0xc809, &val1);
c2c8b03e 7748
de6eae1f
YR
7749 DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
7750 link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
7751 if (link_up) {
7752 vars->line_speed = SPEED_10000;
7753 bnx2x_ext_phy_resolve_fc(phy, params, vars);
62b29a5d 7754 }
de6eae1f
YR
7755 return link_up;
7756}
d90d96ba 7757
de6eae1f
YR
7758/******************************************************************/
7759/* SFP+ module Section */
7760/******************************************************************/
85242eea
YR
7761static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
7762 struct bnx2x_phy *phy,
7763 u8 pmd_dis)
7764{
7765 struct bnx2x *bp = params->bp;
8f73f0b9 7766 /* Disable transmitter only for bootcodes which can enable it afterwards
85242eea
YR
7767 * (for D3 link)
7768 */
7769 if (pmd_dis) {
7770 if (params->feature_config_flags &
7771 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
7772 DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
7773 else {
7774 DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
7775 return;
7776 }
7777 } else
7778 DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
7779 bnx2x_cl45_write(bp, phy,
7780 MDIO_PMA_DEVAD,
7781 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
7782}
7783
a8db5b4c
YR
7784static u8 bnx2x_get_gpio_port(struct link_params *params)
7785{
7786 u8 gpio_port;
7787 u32 swap_val, swap_override;
7788 struct bnx2x *bp = params->bp;
7789 if (CHIP_IS_E2(bp))
7790 gpio_port = BP_PATH(bp);
7791 else
7792 gpio_port = params->port;
7793 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7794 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7795 return gpio_port ^ (swap_val && swap_override);
7796}
3c9ada22
YR
7797
7798static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
7799 struct bnx2x_phy *phy,
7800 u8 tx_en)
de6eae1f
YR
7801{
7802 u16 val;
a8db5b4c
YR
7803 u8 port = params->port;
7804 struct bnx2x *bp = params->bp;
7805 u32 tx_en_mode;
d90d96ba 7806
de6eae1f 7807 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
a8db5b4c
YR
7808 tx_en_mode = REG_RD(bp, params->shmem_base +
7809 offsetof(struct shmem_region,
7810 dev_info.port_hw_config[port].sfp_ctrl)) &
7811 PORT_HW_CFG_TX_LASER_MASK;
7812 DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
7813 "mode = %x\n", tx_en, port, tx_en_mode);
7814 switch (tx_en_mode) {
7815 case PORT_HW_CFG_TX_LASER_MDIO:
d90d96ba 7816
a8db5b4c
YR
7817 bnx2x_cl45_read(bp, phy,
7818 MDIO_PMA_DEVAD,
7819 MDIO_PMA_REG_PHY_IDENTIFIER,
7820 &val);
b7737c9b 7821
a8db5b4c
YR
7822 if (tx_en)
7823 val &= ~(1<<15);
7824 else
7825 val |= (1<<15);
7826
7827 bnx2x_cl45_write(bp, phy,
7828 MDIO_PMA_DEVAD,
7829 MDIO_PMA_REG_PHY_IDENTIFIER,
7830 val);
7831 break;
7832 case PORT_HW_CFG_TX_LASER_GPIO0:
7833 case PORT_HW_CFG_TX_LASER_GPIO1:
7834 case PORT_HW_CFG_TX_LASER_GPIO2:
7835 case PORT_HW_CFG_TX_LASER_GPIO3:
7836 {
7837 u16 gpio_pin;
7838 u8 gpio_port, gpio_mode;
7839 if (tx_en)
7840 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
7841 else
7842 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
7843
7844 gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
7845 gpio_port = bnx2x_get_gpio_port(params);
7846 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7847 break;
7848 }
7849 default:
7850 DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
7851 break;
7852 }
b7737c9b
YR
7853}
7854
3c9ada22
YR
7855static void bnx2x_sfp_set_transmitter(struct link_params *params,
7856 struct bnx2x_phy *phy,
7857 u8 tx_en)
7858{
7859 struct bnx2x *bp = params->bp;
7860 DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
7861 if (CHIP_IS_E3(bp))
7862 bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
7863 else
7864 bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
7865}
7866
fcf5b650
YR
7867static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7868 struct link_params *params,
7869 u16 addr, u8 byte_cnt, u8 *o_buf)
b7737c9b
YR
7870{
7871 struct bnx2x *bp = params->bp;
de6eae1f
YR
7872 u16 val = 0;
7873 u16 i;
24ea818e 7874 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
94f05b0f
JP
7875 DP(NETIF_MSG_LINK,
7876 "Reading from eeprom is limited to 0xf\n");
de6eae1f
YR
7877 return -EINVAL;
7878 }
7879 /* Set the read command byte count */
62b29a5d 7880 bnx2x_cl45_write(bp, phy,
de6eae1f 7881 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
cd88ccee 7882 (byte_cnt | 0xa000));
ea4e040a 7883
de6eae1f
YR
7884 /* Set the read command address */
7885 bnx2x_cl45_write(bp, phy,
7886 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
cd88ccee 7887 addr);
ea4e040a 7888
de6eae1f 7889 /* Activate read command */
62b29a5d 7890 bnx2x_cl45_write(bp, phy,
de6eae1f 7891 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
cd88ccee 7892 0x2c0f);
ea4e040a 7893
de6eae1f
YR
7894 /* Wait up to 500us for command complete status */
7895 for (i = 0; i < 100; i++) {
7896 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
7897 MDIO_PMA_DEVAD,
7898 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
de6eae1f
YR
7899 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7900 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7901 break;
7902 udelay(5);
62b29a5d 7903 }
62b29a5d 7904
de6eae1f
YR
7905 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7906 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7907 DP(NETIF_MSG_LINK,
7908 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7909 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7910 return -EINVAL;
62b29a5d 7911 }
e10bc84d 7912
de6eae1f
YR
7913 /* Read the buffer */
7914 for (i = 0; i < byte_cnt; i++) {
62b29a5d 7915 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
7916 MDIO_PMA_DEVAD,
7917 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
de6eae1f 7918 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
62b29a5d 7919 }
6bbca910 7920
de6eae1f
YR
7921 for (i = 0; i < 100; i++) {
7922 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
7923 MDIO_PMA_DEVAD,
7924 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
de6eae1f
YR
7925 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7926 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
6f38ad93 7927 return 0;
d231023e 7928 usleep_range(1000, 2000);
de6eae1f
YR
7929 }
7930 return -EINVAL;
b7737c9b 7931}
4d295db0 7932
50a29845
YM
7933static void bnx2x_warpcore_power_module(struct link_params *params,
7934 struct bnx2x_phy *phy,
7935 u8 power)
7936{
7937 u32 pin_cfg;
7938 struct bnx2x *bp = params->bp;
7939
7940 pin_cfg = (REG_RD(bp, params->shmem_base +
7941 offsetof(struct shmem_region,
7942 dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
7943 PORT_HW_CFG_E3_PWR_DIS_MASK) >>
7944 PORT_HW_CFG_E3_PWR_DIS_SHIFT;
7945
7946 if (pin_cfg == PIN_CFG_NA)
7947 return;
7948 DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
7949 power, pin_cfg);
7950 /* Low ==> corresponding SFP+ module is powered
7951 * high ==> the SFP+ module is powered down
7952 */
7953 bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
7954}
3c9ada22
YR
7955static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7956 struct link_params *params,
7957 u16 addr, u8 byte_cnt,
7958 u8 *o_buf)
7959{
7960 int rc = 0;
7961 u8 i, j = 0, cnt = 0;
7962 u32 data_array[4];
7963 u16 addr32;
7964 struct bnx2x *bp = params->bp;
24ea818e
YM
7965
7966 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
94f05b0f
JP
7967 DP(NETIF_MSG_LINK,
7968 "Reading from eeprom is limited to 16 bytes\n");
3c9ada22
YR
7969 return -EINVAL;
7970 }
7971
7972 /* 4 byte aligned address */
7973 addr32 = addr & (~0x3);
7974 do {
50a29845
YM
7975 if (cnt == I2C_WA_PWR_ITER) {
7976 bnx2x_warpcore_power_module(params, phy, 0);
7977 /* Note that 100us are not enough here */
7978 usleep_range(1000,1000);
7979 bnx2x_warpcore_power_module(params, phy, 1);
7980 }
3c9ada22
YR
7981 rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
7982 data_array);
7983 } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
7984
7985 if (rc == 0) {
7986 for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
7987 o_buf[j] = *((u8 *)data_array + i);
7988 j++;
7989 }
7990 }
7991
7992 return rc;
7993}
7994
fcf5b650
YR
7995static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7996 struct link_params *params,
7997 u16 addr, u8 byte_cnt, u8 *o_buf)
b7737c9b 7998{
b7737c9b 7999 struct bnx2x *bp = params->bp;
de6eae1f 8000 u16 val, i;
ea4e040a 8001
24ea818e 8002 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
94f05b0f
JP
8003 DP(NETIF_MSG_LINK,
8004 "Reading from eeprom is limited to 0xf\n");
de6eae1f
YR
8005 return -EINVAL;
8006 }
4d295db0 8007
de6eae1f
YR
8008 /* Need to read from 1.8000 to clear it */
8009 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
8010 MDIO_PMA_DEVAD,
8011 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
8012 &val);
4d295db0 8013
de6eae1f 8014 /* Set the read command byte count */
62b29a5d 8015 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
8016 MDIO_PMA_DEVAD,
8017 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
8018 ((byte_cnt < 2) ? 2 : byte_cnt));
ea4e040a 8019
de6eae1f 8020 /* Set the read command address */
62b29a5d 8021 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
8022 MDIO_PMA_DEVAD,
8023 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
8024 addr);
de6eae1f 8025 /* Set the destination address */
62b29a5d 8026 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
8027 MDIO_PMA_DEVAD,
8028 0x8004,
8029 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
62b29a5d 8030
de6eae1f 8031 /* Activate read command */
62b29a5d 8032 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
8033 MDIO_PMA_DEVAD,
8034 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
8035 0x8002);
8f73f0b9 8036 /* Wait appropriate time for two-wire command to finish before
2cf7acf9
YR
8037 * polling the status register
8038 */
d231023e 8039 usleep_range(1000, 2000);
4d295db0 8040
de6eae1f
YR
8041 /* Wait up to 500us for command complete status */
8042 for (i = 0; i < 100; i++) {
62b29a5d 8043 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
8044 MDIO_PMA_DEVAD,
8045 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
de6eae1f
YR
8046 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8047 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
8048 break;
8049 udelay(5);
62b29a5d 8050 }
4d295db0 8051
de6eae1f
YR
8052 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
8053 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
8054 DP(NETIF_MSG_LINK,
8055 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
8056 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
65a001ba 8057 return -EFAULT;
de6eae1f 8058 }
62b29a5d 8059
de6eae1f
YR
8060 /* Read the buffer */
8061 for (i = 0; i < byte_cnt; i++) {
8062 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
8063 MDIO_PMA_DEVAD,
8064 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
de6eae1f
YR
8065 o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
8066 }
4d295db0 8067
de6eae1f
YR
8068 for (i = 0; i < 100; i++) {
8069 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
8070 MDIO_PMA_DEVAD,
8071 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
de6eae1f
YR
8072 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8073 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
6f38ad93 8074 return 0;
d231023e 8075 usleep_range(1000, 2000);
62b29a5d
YR
8076 }
8077
de6eae1f 8078 return -EINVAL;
b7737c9b
YR
8079}
8080
fcf5b650
YR
8081int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
8082 struct link_params *params, u16 addr,
8083 u8 byte_cnt, u8 *o_buf)
b7737c9b 8084{
24ea818e 8085 int rc = -EOPNOTSUPP;
e4d78f12
YR
8086 switch (phy->type) {
8087 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8088 rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
8089 byte_cnt, o_buf);
8090 break;
8091 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8092 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8093 rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
8094 byte_cnt, o_buf);
8095 break;
3c9ada22
YR
8096 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8097 rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
8098 byte_cnt, o_buf);
8099 break;
e4d78f12
YR
8100 }
8101 return rc;
b7737c9b
YR
8102}
8103
fcf5b650
YR
8104static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
8105 struct link_params *params,
8106 u16 *edc_mode)
b7737c9b
YR
8107{
8108 struct bnx2x *bp = params->bp;
1ac9e428 8109 u32 sync_offset = 0, phy_idx, media_types;
dbef807e 8110 u8 val[2], check_limiting_mode = 0;
de6eae1f 8111 *edc_mode = EDC_MODE_LIMITING;
62b29a5d 8112
1ac9e428 8113 phy->media_type = ETH_PHY_UNSPECIFIED;
de6eae1f
YR
8114 /* First check for copper cable */
8115 if (bnx2x_read_sfp_module_eeprom(phy,
8116 params,
8117 SFP_EEPROM_CON_TYPE_ADDR,
dbef807e
YM
8118 2,
8119 (u8 *)val) != 0) {
de6eae1f
YR
8120 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
8121 return -EINVAL;
8122 }
a1e4be39 8123
dbef807e 8124 switch (val[0]) {
de6eae1f
YR
8125 case SFP_EEPROM_CON_TYPE_VAL_COPPER:
8126 {
8127 u8 copper_module_type;
1ac9e428 8128 phy->media_type = ETH_PHY_DA_TWINAX;
8f73f0b9 8129 /* Check if its active cable (includes SFP+ module)
2cf7acf9
YR
8130 * of passive cable
8131 */
de6eae1f
YR
8132 if (bnx2x_read_sfp_module_eeprom(phy,
8133 params,
8134 SFP_EEPROM_FC_TX_TECH_ADDR,
8135 1,
9045f6b4 8136 &copper_module_type) != 0) {
de6eae1f
YR
8137 DP(NETIF_MSG_LINK,
8138 "Failed to read copper-cable-type"
8139 " from SFP+ EEPROM\n");
8140 return -EINVAL;
8141 }
4f60dab1 8142
de6eae1f
YR
8143 if (copper_module_type &
8144 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
8145 DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
8146 check_limiting_mode = 1;
8147 } else if (copper_module_type &
8148 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
94f05b0f
JP
8149 DP(NETIF_MSG_LINK,
8150 "Passive Copper cable detected\n");
de6eae1f
YR
8151 *edc_mode =
8152 EDC_MODE_PASSIVE_DAC;
8153 } else {
94f05b0f
JP
8154 DP(NETIF_MSG_LINK,
8155 "Unknown copper-cable-type 0x%x !!!\n",
8156 copper_module_type);
de6eae1f
YR
8157 return -EINVAL;
8158 }
8159 break;
62b29a5d 8160 }
de6eae1f 8161 case SFP_EEPROM_CON_TYPE_VAL_LC:
de6eae1f 8162 check_limiting_mode = 1;
dbef807e
YM
8163 if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
8164 SFP_EEPROM_COMP_CODE_LR_MASK |
8165 SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
8166 DP(NETIF_MSG_LINK, "1G Optic module detected\n");
8167 phy->media_type = ETH_PHY_SFP_1G_FIBER;
8168 phy->req_line_speed = SPEED_1000;
8169 } else {
8170 int idx, cfg_idx = 0;
8171 DP(NETIF_MSG_LINK, "10G Optic module detected\n");
8172 for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
8173 if (params->phy[idx].type == phy->type) {
8174 cfg_idx = LINK_CONFIG_IDX(idx);
8175 break;
8176 }
8177 }
8178 phy->media_type = ETH_PHY_SFPP_10G_FIBER;
8179 phy->req_line_speed = params->req_line_speed[cfg_idx];
8180 }
de6eae1f
YR
8181 break;
8182 default:
8183 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
dbef807e 8184 val[0]);
de6eae1f 8185 return -EINVAL;
62b29a5d 8186 }
1ac9e428
YR
8187 sync_offset = params->shmem_base +
8188 offsetof(struct shmem_region,
8189 dev_info.port_hw_config[params->port].media_type);
8190 media_types = REG_RD(bp, sync_offset);
8191 /* Update media type for non-PMF sync */
8192 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
8193 if (&(params->phy[phy_idx]) == phy) {
8194 media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
8195 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8196 media_types |= ((phy->media_type &
8197 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
8198 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8199 break;
8200 }
8201 }
8202 REG_WR(bp, sync_offset, media_types);
de6eae1f
YR
8203 if (check_limiting_mode) {
8204 u8 options[SFP_EEPROM_OPTIONS_SIZE];
8205 if (bnx2x_read_sfp_module_eeprom(phy,
8206 params,
8207 SFP_EEPROM_OPTIONS_ADDR,
8208 SFP_EEPROM_OPTIONS_SIZE,
8209 options) != 0) {
94f05b0f
JP
8210 DP(NETIF_MSG_LINK,
8211 "Failed to read Option field from module EEPROM\n");
de6eae1f
YR
8212 return -EINVAL;
8213 }
8214 if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
8215 *edc_mode = EDC_MODE_LINEAR;
8216 else
8217 *edc_mode = EDC_MODE_LIMITING;
62b29a5d 8218 }
de6eae1f 8219 DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
62b29a5d 8220 return 0;
b7737c9b 8221}
8f73f0b9 8222/* This function read the relevant field from the module (SFP+), and verify it
2cf7acf9
YR
8223 * is compliant with this board
8224 */
fcf5b650
YR
8225static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
8226 struct link_params *params)
b7737c9b
YR
8227{
8228 struct bnx2x *bp = params->bp;
a22f0788
YR
8229 u32 val, cmd;
8230 u32 fw_resp, fw_cmd_param;
de6eae1f
YR
8231 char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
8232 char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
a22f0788 8233 phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
de6eae1f
YR
8234 val = REG_RD(bp, params->shmem_base +
8235 offsetof(struct shmem_region, dev_info.
8236 port_feature_config[params->port].config));
8237 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8238 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
8239 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
8240 return 0;
8241 }
ea4e040a 8242
a22f0788
YR
8243 if (params->feature_config_flags &
8244 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
8245 /* Use specific phy request */
8246 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
8247 } else if (params->feature_config_flags &
8248 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
8249 /* Use first phy request only in case of non-dual media*/
8250 if (DUAL_MEDIA(params)) {
94f05b0f
JP
8251 DP(NETIF_MSG_LINK,
8252 "FW does not support OPT MDL verification\n");
a22f0788
YR
8253 return -EINVAL;
8254 }
8255 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
8256 } else {
8257 /* No support in OPT MDL detection */
94f05b0f
JP
8258 DP(NETIF_MSG_LINK,
8259 "FW does not support OPT MDL verification\n");
de6eae1f
YR
8260 return -EINVAL;
8261 }
523224a3 8262
a22f0788
YR
8263 fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
8264 fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
de6eae1f
YR
8265 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
8266 DP(NETIF_MSG_LINK, "Approved module\n");
8267 return 0;
8268 }
b7737c9b 8269
d231023e 8270 /* Format the warning message */
de6eae1f
YR
8271 if (bnx2x_read_sfp_module_eeprom(phy,
8272 params,
cd88ccee
YR
8273 SFP_EEPROM_VENDOR_NAME_ADDR,
8274 SFP_EEPROM_VENDOR_NAME_SIZE,
8275 (u8 *)vendor_name))
de6eae1f
YR
8276 vendor_name[0] = '\0';
8277 else
8278 vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
8279 if (bnx2x_read_sfp_module_eeprom(phy,
8280 params,
cd88ccee
YR
8281 SFP_EEPROM_PART_NO_ADDR,
8282 SFP_EEPROM_PART_NO_SIZE,
8283 (u8 *)vendor_pn))
de6eae1f
YR
8284 vendor_pn[0] = '\0';
8285 else
8286 vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
8287
6d870c39
YR
8288 netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
8289 " Port %d from %s part number %s\n",
8290 params->port, vendor_name, vendor_pn);
59a2e53b
YR
8291 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8292 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
8293 phy->flags |= FLAGS_SFP_NOT_APPROVED;
de6eae1f 8294 return -EINVAL;
b7737c9b 8295}
7aa0711f 8296
fcf5b650
YR
8297static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
8298 struct link_params *params)
7aa0711f 8299
4d295db0 8300{
de6eae1f 8301 u8 val;
4d295db0 8302 struct bnx2x *bp = params->bp;
de6eae1f 8303 u16 timeout;
8f73f0b9 8304 /* Initialization time after hot-plug may take up to 300ms for
2cf7acf9
YR
8305 * some phys type ( e.g. JDSU )
8306 */
8307
de6eae1f
YR
8308 for (timeout = 0; timeout < 60; timeout++) {
8309 if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
8310 == 0) {
94f05b0f
JP
8311 DP(NETIF_MSG_LINK,
8312 "SFP+ module initialization took %d ms\n",
8313 timeout * 5);
de6eae1f
YR
8314 return 0;
8315 }
d231023e 8316 usleep_range(5000, 10000);
de6eae1f
YR
8317 }
8318 return -EINVAL;
8319}
4d295db0 8320
de6eae1f
YR
8321static void bnx2x_8727_power_module(struct bnx2x *bp,
8322 struct bnx2x_phy *phy,
8323 u8 is_power_up) {
8324 /* Make sure GPIOs are not using for LED mode */
8325 u16 val;
8f73f0b9 8326 /* In the GPIO register, bit 4 is use to determine if the GPIOs are
de6eae1f
YR
8327 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
8328 * output
3c9ada22
YR
8329 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
8330 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
de6eae1f
YR
8331 * where the 1st bit is the over-current(only input), and 2nd bit is
8332 * for power( only output )
2cf7acf9 8333 *
de6eae1f
YR
8334 * In case of NOC feature is disabled and power is up, set GPIO control
8335 * as input to enable listening of over-current indication
8336 */
8337 if (phy->flags & FLAGS_NOC)
8338 return;
27d02432 8339 if (is_power_up)
de6eae1f
YR
8340 val = (1<<4);
8341 else
8f73f0b9 8342 /* Set GPIO control to OUTPUT, and set the power bit
de6eae1f
YR
8343 * to according to the is_power_up
8344 */
27d02432 8345 val = (1<<1);
4d295db0 8346
de6eae1f
YR
8347 bnx2x_cl45_write(bp, phy,
8348 MDIO_PMA_DEVAD,
8349 MDIO_PMA_REG_8727_GPIO_CTRL,
8350 val);
8351}
4d295db0 8352
fcf5b650
YR
8353static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
8354 struct bnx2x_phy *phy,
8355 u16 edc_mode)
de6eae1f
YR
8356{
8357 u16 cur_limiting_mode;
4d295db0 8358
de6eae1f 8359 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
8360 MDIO_PMA_DEVAD,
8361 MDIO_PMA_REG_ROM_VER2,
8362 &cur_limiting_mode);
de6eae1f
YR
8363 DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
8364 cur_limiting_mode);
8365
8366 if (edc_mode == EDC_MODE_LIMITING) {
cd88ccee 8367 DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
e10bc84d 8368 bnx2x_cl45_write(bp, phy,
62b29a5d 8369 MDIO_PMA_DEVAD,
de6eae1f
YR
8370 MDIO_PMA_REG_ROM_VER2,
8371 EDC_MODE_LIMITING);
8372 } else { /* LRM mode ( default )*/
4d295db0 8373
de6eae1f 8374 DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
4d295db0 8375
8f73f0b9 8376 /* Changing to LRM mode takes quite few seconds. So do it only
2cf7acf9
YR
8377 * if current mode is limiting (default is LRM)
8378 */
de6eae1f
YR
8379 if (cur_limiting_mode != EDC_MODE_LIMITING)
8380 return 0;
4d295db0 8381
de6eae1f 8382 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
8383 MDIO_PMA_DEVAD,
8384 MDIO_PMA_REG_LRM_MODE,
8385 0);
de6eae1f 8386 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
8387 MDIO_PMA_DEVAD,
8388 MDIO_PMA_REG_ROM_VER2,
8389 0x128);
de6eae1f 8390 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
8391 MDIO_PMA_DEVAD,
8392 MDIO_PMA_REG_MISC_CTRL0,
8393 0x4008);
de6eae1f 8394 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
8395 MDIO_PMA_DEVAD,
8396 MDIO_PMA_REG_LRM_MODE,
8397 0xaaaa);
4d295db0 8398 }
de6eae1f 8399 return 0;
4d295db0
EG
8400}
8401
fcf5b650
YR
8402static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
8403 struct bnx2x_phy *phy,
8404 u16 edc_mode)
ea4e040a 8405{
de6eae1f
YR
8406 u16 phy_identifier;
8407 u16 rom_ver2_val;
62b29a5d 8408 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
8409 MDIO_PMA_DEVAD,
8410 MDIO_PMA_REG_PHY_IDENTIFIER,
8411 &phy_identifier);
ea4e040a 8412
de6eae1f 8413 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
8414 MDIO_PMA_DEVAD,
8415 MDIO_PMA_REG_PHY_IDENTIFIER,
8416 (phy_identifier & ~(1<<9)));
ea4e040a 8417
62b29a5d 8418 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
8419 MDIO_PMA_DEVAD,
8420 MDIO_PMA_REG_ROM_VER2,
8421 &rom_ver2_val);
de6eae1f
YR
8422 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
8423 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
8424 MDIO_PMA_DEVAD,
8425 MDIO_PMA_REG_ROM_VER2,
8426 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
4d295db0 8427
de6eae1f 8428 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
8429 MDIO_PMA_DEVAD,
8430 MDIO_PMA_REG_PHY_IDENTIFIER,
8431 (phy_identifier | (1<<9)));
4d295db0 8432
de6eae1f 8433 return 0;
b7737c9b 8434}
ea4e040a 8435
a22f0788
YR
8436static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
8437 struct link_params *params,
8438 u32 action)
8439{
8440 struct bnx2x *bp = params->bp;
5c107fda 8441 u16 val;
a22f0788
YR
8442 switch (action) {
8443 case DISABLE_TX:
a8db5b4c 8444 bnx2x_sfp_set_transmitter(params, phy, 0);
a22f0788
YR
8445 break;
8446 case ENABLE_TX:
8447 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
a8db5b4c 8448 bnx2x_sfp_set_transmitter(params, phy, 1);
a22f0788 8449 break;
5c107fda
YR
8450 case PHY_INIT:
8451 bnx2x_cl45_write(bp, phy,
8452 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8453 (1<<2) | (1<<5));
8454 bnx2x_cl45_write(bp, phy,
8455 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8456 0);
8457 bnx2x_cl45_write(bp, phy,
8458 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
8459 /* Make MOD_ABS give interrupt on change */
8460 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8461 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8462 &val);
8463 val |= (1<<12);
8464 if (phy->flags & FLAGS_NOC)
8465 val |= (3<<5);
8466 /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
8467 * status which reflect SFP+ module over-current
8468 */
8469 if (!(phy->flags & FLAGS_NOC))
8470 val &= 0xff8f; /* Reset bits 4-6 */
8471 bnx2x_cl45_write(bp, phy,
8472 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8473 val);
8474
8475 /* Set 2-wire transfer rate of SFP+ module EEPROM
8476 * to 100Khz since some DACs(direct attached cables) do
8477 * not work at 400Khz.
8478 */
8479 bnx2x_cl45_write(bp, phy,
8480 MDIO_PMA_DEVAD,
8481 MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
8482 0xa001);
8483 break;
a22f0788
YR
8484 default:
8485 DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
8486 action);
8487 return;
8488 }
8489}
8490
3c9ada22 8491static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
a8db5b4c
YR
8492 u8 gpio_mode)
8493{
8494 struct bnx2x *bp = params->bp;
8495
8496 u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
8497 offsetof(struct shmem_region,
8498 dev_info.port_hw_config[params->port].sfp_ctrl)) &
8499 PORT_HW_CFG_FAULT_MODULE_LED_MASK;
8500 switch (fault_led_gpio) {
8501 case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
8502 return;
8503 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
8504 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
8505 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
8506 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
8507 {
8508 u8 gpio_port = bnx2x_get_gpio_port(params);
8509 u16 gpio_pin = fault_led_gpio -
8510 PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
8511 DP(NETIF_MSG_LINK, "Set fault module-detected led "
8512 "pin %x port %x mode %x\n",
8513 gpio_pin, gpio_port, gpio_mode);
8514 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
8515 }
8516 break;
8517 default:
8518 DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
8519 fault_led_gpio);
8520 }
8521}
8522
3c9ada22
YR
8523static void bnx2x_set_e3_module_fault_led(struct link_params *params,
8524 u8 gpio_mode)
8525{
8526 u32 pin_cfg;
8527 u8 port = params->port;
8528 struct bnx2x *bp = params->bp;
8529 pin_cfg = (REG_RD(bp, params->shmem_base +
8530 offsetof(struct shmem_region,
8531 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
8532 PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
8533 PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
8534 DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
8535 gpio_mode, pin_cfg);
8536 bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
8537}
8538
8539static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
8540 u8 gpio_mode)
8541{
8542 struct bnx2x *bp = params->bp;
8543 DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
8544 if (CHIP_IS_E3(bp)) {
8f73f0b9 8545 /* Low ==> if SFP+ module is supported otherwise
3c9ada22
YR
8546 * High ==> if SFP+ module is not on the approved vendor list
8547 */
8548 bnx2x_set_e3_module_fault_led(params, gpio_mode);
8549 } else
8550 bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
8551}
8552
985848f8
YR
8553static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
8554 struct link_params *params)
8555{
b76070b4 8556 struct bnx2x *bp = params->bp;
985848f8 8557 bnx2x_warpcore_power_module(params, phy, 0);
b76070b4
YR
8558 /* Put Warpcore in low power mode */
8559 REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
8560
8561 /* Put LCPLL in low power mode */
8562 REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
8563 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
8564 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
985848f8
YR
8565}
8566
e4d78f12
YR
8567static void bnx2x_power_sfp_module(struct link_params *params,
8568 struct bnx2x_phy *phy,
8569 u8 power)
8570{
8571 struct bnx2x *bp = params->bp;
8572 DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
8573
8574 switch (phy->type) {
8575 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8576 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8577 bnx2x_8727_power_module(params->bp, phy, power);
8578 break;
3c9ada22
YR
8579 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8580 bnx2x_warpcore_power_module(params, phy, power);
8581 break;
8582 default:
8583 break;
8584 }
8585}
8586static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
8587 struct bnx2x_phy *phy,
8588 u16 edc_mode)
8589{
8590 u16 val = 0;
8591 u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8592 struct bnx2x *bp = params->bp;
8593
8594 u8 lane = bnx2x_get_warpcore_lane(phy, params);
8595 /* This is a global register which controls all lanes */
8596 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8597 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8598 val &= ~(0xf << (lane << 2));
8599
8600 switch (edc_mode) {
8601 case EDC_MODE_LINEAR:
8602 case EDC_MODE_LIMITING:
8603 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8604 break;
8605 case EDC_MODE_PASSIVE_DAC:
8606 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
8607 break;
e4d78f12
YR
8608 default:
8609 break;
8610 }
3c9ada22
YR
8611
8612 val |= (mode << (lane << 2));
8613 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
8614 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
8615 /* A must read */
8616 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8617 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8618
19af03a3
YR
8619 /* Restart microcode to re-read the new mode */
8620 bnx2x_warpcore_reset_lane(bp, phy, 1);
8621 bnx2x_warpcore_reset_lane(bp, phy, 0);
3c9ada22 8622
e4d78f12
YR
8623}
8624
8625static void bnx2x_set_limiting_mode(struct link_params *params,
8626 struct bnx2x_phy *phy,
8627 u16 edc_mode)
8628{
8629 switch (phy->type) {
8630 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8631 bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
8632 break;
8633 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8634 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8635 bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
8636 break;
3c9ada22
YR
8637 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8638 bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
8639 break;
e4d78f12
YR
8640 }
8641}
8642
fcf5b650
YR
8643int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
8644 struct link_params *params)
b7737c9b 8645{
b7737c9b 8646 struct bnx2x *bp = params->bp;
de6eae1f 8647 u16 edc_mode;
fcf5b650 8648 int rc = 0;
ea4e040a 8649
de6eae1f
YR
8650 u32 val = REG_RD(bp, params->shmem_base +
8651 offsetof(struct shmem_region, dev_info.
8652 port_feature_config[params->port].config));
62b29a5d 8653
de6eae1f
YR
8654 DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
8655 params->port);
e4d78f12
YR
8656 /* Power up module */
8657 bnx2x_power_sfp_module(params, phy, 1);
de6eae1f
YR
8658 if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
8659 DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
8660 return -EINVAL;
cd88ccee 8661 } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
d231023e 8662 /* Check SFP+ module compatibility */
de6eae1f
YR
8663 DP(NETIF_MSG_LINK, "Module verification failed!!\n");
8664 rc = -EINVAL;
8665 /* Turn on fault module-detected led */
a8db5b4c
YR
8666 bnx2x_set_sfp_module_fault_led(params,
8667 MISC_REGISTERS_GPIO_HIGH);
8668
e4d78f12
YR
8669 /* Check if need to power down the SFP+ module */
8670 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8671 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
de6eae1f 8672 DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
e4d78f12 8673 bnx2x_power_sfp_module(params, phy, 0);
de6eae1f
YR
8674 return rc;
8675 }
8676 } else {
8677 /* Turn off fault module-detected led */
a8db5b4c 8678 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
62b29a5d 8679 }
b7737c9b 8680
8f73f0b9 8681 /* Check and set limiting mode / LRM mode on 8726. On 8727 it
2cf7acf9
YR
8682 * is done automatically
8683 */
e4d78f12
YR
8684 bnx2x_set_limiting_mode(params, phy, edc_mode);
8685
8f73f0b9 8686 /* Enable transmit for this module if the module is approved, or
de6eae1f
YR
8687 * if unapproved modules should also enable the Tx laser
8688 */
8689 if (rc == 0 ||
8690 (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8691 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
a8db5b4c 8692 bnx2x_sfp_set_transmitter(params, phy, 1);
de6eae1f 8693 else
a8db5b4c 8694 bnx2x_sfp_set_transmitter(params, phy, 0);
b7737c9b 8695
de6eae1f
YR
8696 return rc;
8697}
8698
8699void bnx2x_handle_module_detect_int(struct link_params *params)
b7737c9b
YR
8700{
8701 struct bnx2x *bp = params->bp;
3c9ada22 8702 struct bnx2x_phy *phy;
de6eae1f 8703 u32 gpio_val;
3c9ada22
YR
8704 u8 gpio_num, gpio_port;
8705 if (CHIP_IS_E3(bp))
8706 phy = &params->phy[INT_PHY];
8707 else
8708 phy = &params->phy[EXT_PHY1];
8709
8710 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
8711 params->port, &gpio_num, &gpio_port) ==
8712 -EINVAL) {
8713 DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
8714 return;
8715 }
4d295db0 8716
de6eae1f 8717 /* Set valid module led off */
a8db5b4c 8718 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
4d295db0 8719
2cf7acf9 8720 /* Get current gpio val reflecting module plugged in / out*/
3c9ada22 8721 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
62b29a5d 8722
de6eae1f
YR
8723 /* Call the handling function in case module is detected */
8724 if (gpio_val == 0) {
dbef807e
YM
8725 bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
8726 bnx2x_set_aer_mmd(params, phy);
8727
e4d78f12 8728 bnx2x_power_sfp_module(params, phy, 1);
3c9ada22 8729 bnx2x_set_gpio_int(bp, gpio_num,
de6eae1f 8730 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
3c9ada22 8731 gpio_port);
dbef807e 8732 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
de6eae1f 8733 bnx2x_sfp_module_detection(phy, params);
dbef807e
YM
8734 if (CHIP_IS_E3(bp)) {
8735 u16 rx_tx_in_reset;
8736 /* In case WC is out of reset, reconfigure the
8737 * link speed while taking into account 1G
8738 * module limitation.
8739 */
8740 bnx2x_cl45_read(bp, phy,
8741 MDIO_WC_DEVAD,
8742 MDIO_WC_REG_DIGITAL5_MISC6,
8743 &rx_tx_in_reset);
8744 if (!rx_tx_in_reset) {
8745 bnx2x_warpcore_reset_lane(bp, phy, 1);
8746 bnx2x_warpcore_config_sfi(phy, params);
8747 bnx2x_warpcore_reset_lane(bp, phy, 0);
8748 }
8749 }
8750 } else {
de6eae1f 8751 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
dbef807e 8752 }
de6eae1f
YR
8753 } else {
8754 u32 val = REG_RD(bp, params->shmem_base +
cd88ccee
YR
8755 offsetof(struct shmem_region, dev_info.
8756 port_feature_config[params->port].
8757 config));
3c9ada22 8758 bnx2x_set_gpio_int(bp, gpio_num,
de6eae1f 8759 MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
3c9ada22 8760 gpio_port);
8f73f0b9 8761 /* Module was plugged out.
2cf7acf9
YR
8762 * Disable transmit for this module
8763 */
1ac9e428 8764 phy->media_type = ETH_PHY_NOT_PRESENT;
de6f3377
YR
8765 if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8766 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
8767 CHIP_IS_E3(bp))
a8db5b4c 8768 bnx2x_sfp_set_transmitter(params, phy, 0);
62b29a5d 8769 }
de6eae1f 8770}
62b29a5d 8771
c688fe2f
YR
8772/******************************************************************/
8773/* Used by 8706 and 8727 */
8774/******************************************************************/
8775static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
8776 struct bnx2x_phy *phy,
8777 u16 alarm_status_offset,
8778 u16 alarm_ctrl_offset)
8779{
8780 u16 alarm_status, val;
8781 bnx2x_cl45_read(bp, phy,
8782 MDIO_PMA_DEVAD, alarm_status_offset,
8783 &alarm_status);
8784 bnx2x_cl45_read(bp, phy,
8785 MDIO_PMA_DEVAD, alarm_status_offset,
8786 &alarm_status);
8787 /* Mask or enable the fault event. */
8788 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
8789 if (alarm_status & (1<<0))
8790 val &= ~(1<<0);
8791 else
8792 val |= (1<<0);
8793 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
8794}
de6eae1f
YR
8795/******************************************************************/
8796/* common BCM8706/BCM8726 PHY SECTION */
8797/******************************************************************/
8798static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
8799 struct link_params *params,
8800 struct link_vars *vars)
8801{
8802 u8 link_up = 0;
8803 u16 val1, val2, rx_sd, pcs_status;
8804 struct bnx2x *bp = params->bp;
8805 DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
8806 /* Clear RX Alarm*/
62b29a5d 8807 bnx2x_cl45_read(bp, phy,
60d2fe03 8808 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
c688fe2f 8809
60d2fe03
YR
8810 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8811 MDIO_PMA_LASI_TXCTRL);
c688fe2f 8812
d231023e 8813 /* Clear LASI indication*/
de6eae1f 8814 bnx2x_cl45_read(bp, phy,
60d2fe03 8815 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
de6eae1f 8816 bnx2x_cl45_read(bp, phy,
60d2fe03 8817 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
de6eae1f 8818 DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
62b29a5d
YR
8819
8820 bnx2x_cl45_read(bp, phy,
de6eae1f
YR
8821 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8822 bnx2x_cl45_read(bp, phy,
8823 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
8824 bnx2x_cl45_read(bp, phy,
8825 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8826 bnx2x_cl45_read(bp, phy,
8827 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
62b29a5d 8828
de6eae1f
YR
8829 DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
8830 " link_status 0x%x\n", rx_sd, pcs_status, val2);
8f73f0b9 8831 /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
2cf7acf9 8832 * are set, or if the autoneg bit 1 is set
de6eae1f
YR
8833 */
8834 link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
8835 if (link_up) {
8836 if (val2 & (1<<1))
8837 vars->line_speed = SPEED_1000;
8838 else
8839 vars->line_speed = SPEED_10000;
62b29a5d 8840 bnx2x_ext_phy_resolve_fc(phy, params, vars);
791f18c0 8841 vars->duplex = DUPLEX_FULL;
de6eae1f 8842 }
c688fe2f
YR
8843
8844 /* Capture 10G link fault. Read twice to clear stale value. */
8845 if (vars->line_speed == SPEED_10000) {
8846 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
60d2fe03 8847 MDIO_PMA_LASI_TXSTAT, &val1);
c688fe2f 8848 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
60d2fe03 8849 MDIO_PMA_LASI_TXSTAT, &val1);
c688fe2f
YR
8850 if (val1 & (1<<0))
8851 vars->fault_detected = 1;
8852 }
8853
62b29a5d 8854 return link_up;
b7737c9b 8855}
62b29a5d 8856
de6eae1f
YR
8857/******************************************************************/
8858/* BCM8706 PHY SECTION */
8859/******************************************************************/
8860static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
b7737c9b
YR
8861 struct link_params *params,
8862 struct link_vars *vars)
8863{
a8db5b4c
YR
8864 u32 tx_en_mode;
8865 u16 cnt, val, tmp1;
b7737c9b 8866 struct bnx2x *bp = params->bp;
3deb8167 8867
de6eae1f 8868 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
cd88ccee 8869 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
de6eae1f
YR
8870 /* HW reset */
8871 bnx2x_ext_phy_hw_reset(bp, params->port);
8872 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
6d870c39 8873 bnx2x_wait_reset_complete(bp, phy, params);
ea4e040a 8874
de6eae1f
YR
8875 /* Wait until fw is loaded */
8876 for (cnt = 0; cnt < 100; cnt++) {
8877 bnx2x_cl45_read(bp, phy,
8878 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
8879 if (val)
8880 break;
d231023e 8881 usleep_range(10000, 20000);
de6eae1f
YR
8882 }
8883 DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
8884 if ((params->feature_config_flags &
8885 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8886 u8 i;
8887 u16 reg;
8888 for (i = 0; i < 4; i++) {
8889 reg = MDIO_XS_8706_REG_BANK_RX0 +
8890 i*(MDIO_XS_8706_REG_BANK_RX1 -
8891 MDIO_XS_8706_REG_BANK_RX0);
8892 bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
8893 /* Clear first 3 bits of the control */
8894 val &= ~0x7;
8895 /* Set control bits according to configuration */
8896 val |= (phy->rx_preemphasis[i] & 0x7);
8897 DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
8898 " reg 0x%x <-- val 0x%x\n", reg, val);
8899 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
8900 }
8901 }
8902 /* Force speed */
8903 if (phy->req_line_speed == SPEED_10000) {
8904 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
ea4e040a 8905
de6eae1f
YR
8906 bnx2x_cl45_write(bp, phy,
8907 MDIO_PMA_DEVAD,
8908 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
8909 bnx2x_cl45_write(bp, phy,
60d2fe03 8910 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
c688fe2f
YR
8911 0);
8912 /* Arm LASI for link and Tx fault. */
8913 bnx2x_cl45_write(bp, phy,
60d2fe03 8914 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
de6eae1f 8915 } else {
25985edc 8916 /* Force 1Gbps using autoneg with 1G advertisement */
6bbca910 8917
de6eae1f
YR
8918 /* Allow CL37 through CL73 */
8919 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
8920 bnx2x_cl45_write(bp, phy,
8921 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
6bbca910 8922
25985edc 8923 /* Enable Full-Duplex advertisement on CL37 */
de6eae1f
YR
8924 bnx2x_cl45_write(bp, phy,
8925 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
8926 /* Enable CL37 AN */
8927 bnx2x_cl45_write(bp, phy,
8928 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8929 /* 1G support */
8930 bnx2x_cl45_write(bp, phy,
8931 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
6bbca910 8932
de6eae1f
YR
8933 /* Enable clause 73 AN */
8934 bnx2x_cl45_write(bp, phy,
8935 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8936 bnx2x_cl45_write(bp, phy,
60d2fe03 8937 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
de6eae1f
YR
8938 0x0400);
8939 bnx2x_cl45_write(bp, phy,
60d2fe03 8940 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
de6eae1f
YR
8941 0x0004);
8942 }
8943 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
a8db5b4c 8944
8f73f0b9 8945 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
a8db5b4c
YR
8946 * power mode, if TX Laser is disabled
8947 */
8948
8949 tx_en_mode = REG_RD(bp, params->shmem_base +
8950 offsetof(struct shmem_region,
8951 dev_info.port_hw_config[params->port].sfp_ctrl))
8952 & PORT_HW_CFG_TX_LASER_MASK;
8953
8954 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8955 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8956 bnx2x_cl45_read(bp, phy,
8957 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
8958 tmp1 |= 0x1;
8959 bnx2x_cl45_write(bp, phy,
8960 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
8961 }
8962
de6eae1f
YR
8963 return 0;
8964}
ea4e040a 8965
fcf5b650
YR
8966static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
8967 struct link_params *params,
8968 struct link_vars *vars)
de6eae1f
YR
8969{
8970 return bnx2x_8706_8726_read_status(phy, params, vars);
8971}
6bbca910 8972
de6eae1f
YR
8973/******************************************************************/
8974/* BCM8726 PHY SECTION */
8975/******************************************************************/
8976static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
8977 struct link_params *params)
8978{
8979 struct bnx2x *bp = params->bp;
8980 DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
8981 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
8982}
62b29a5d 8983
de6eae1f
YR
8984static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
8985 struct link_params *params)
8986{
8987 struct bnx2x *bp = params->bp;
8988 /* Need to wait 100ms after reset */
8989 msleep(100);
62b29a5d 8990
de6eae1f
YR
8991 /* Micro controller re-boot */
8992 bnx2x_cl45_write(bp, phy,
8993 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
62b29a5d 8994
de6eae1f
YR
8995 /* Set soft reset */
8996 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
8997 MDIO_PMA_DEVAD,
8998 MDIO_PMA_REG_GEN_CTRL,
8999 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
62b29a5d 9000
de6eae1f 9001 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
9002 MDIO_PMA_DEVAD,
9003 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
6bbca910 9004
de6eae1f 9005 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
9006 MDIO_PMA_DEVAD,
9007 MDIO_PMA_REG_GEN_CTRL,
9008 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
de6eae1f 9009
d231023e 9010 /* Wait for 150ms for microcode load */
de6eae1f
YR
9011 msleep(150);
9012
9013 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
9014 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
9015 MDIO_PMA_DEVAD,
9016 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
de6eae1f
YR
9017
9018 msleep(200);
9019 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
b7737c9b
YR
9020}
9021
de6eae1f 9022static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
b7737c9b
YR
9023 struct link_params *params,
9024 struct link_vars *vars)
9025{
9026 struct bnx2x *bp = params->bp;
de6eae1f
YR
9027 u16 val1;
9028 u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
62b29a5d
YR
9029 if (link_up) {
9030 bnx2x_cl45_read(bp, phy,
de6eae1f
YR
9031 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9032 &val1);
9033 if (val1 & (1<<15)) {
9034 DP(NETIF_MSG_LINK, "Tx is disabled\n");
9035 link_up = 0;
9036 vars->line_speed = 0;
9037 }
62b29a5d
YR
9038 }
9039 return link_up;
b7737c9b
YR
9040}
9041
de6eae1f 9042
fcf5b650
YR
9043static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
9044 struct link_params *params,
9045 struct link_vars *vars)
b7737c9b
YR
9046{
9047 struct bnx2x *bp = params->bp;
de6eae1f 9048 DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
62b29a5d 9049
de6eae1f 9050 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
6d870c39 9051 bnx2x_wait_reset_complete(bp, phy, params);
62b29a5d 9052
de6eae1f 9053 bnx2x_8726_external_rom_boot(phy, params);
62b29a5d 9054
8f73f0b9 9055 /* Need to call module detected on initialization since the module
2cf7acf9
YR
9056 * detection triggered by actual module insertion might occur before
9057 * driver is loaded, and when driver is loaded, it reset all
9058 * registers, including the transmitter
9059 */
de6eae1f 9060 bnx2x_sfp_module_detection(phy, params);
62b29a5d 9061
de6eae1f
YR
9062 if (phy->req_line_speed == SPEED_1000) {
9063 DP(NETIF_MSG_LINK, "Setting 1G force\n");
9064 bnx2x_cl45_write(bp, phy,
9065 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9066 bnx2x_cl45_write(bp, phy,
9067 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9068 bnx2x_cl45_write(bp, phy,
60d2fe03 9069 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
de6eae1f 9070 bnx2x_cl45_write(bp, phy,
60d2fe03 9071 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
de6eae1f
YR
9072 0x400);
9073 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9074 (phy->speed_cap_mask &
9075 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
9076 ((phy->speed_cap_mask &
9077 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9078 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9079 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9080 /* Set Flow control */
9081 bnx2x_ext_phy_set_pause(params, phy, vars);
9082 bnx2x_cl45_write(bp, phy,
9083 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
9084 bnx2x_cl45_write(bp, phy,
9085 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
9086 bnx2x_cl45_write(bp, phy,
9087 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
9088 bnx2x_cl45_write(bp, phy,
9089 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
9090 bnx2x_cl45_write(bp, phy,
9091 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8f73f0b9 9092 /* Enable RX-ALARM control to receive interrupt for 1G speed
2cf7acf9
YR
9093 * change
9094 */
de6eae1f 9095 bnx2x_cl45_write(bp, phy,
60d2fe03 9096 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
de6eae1f 9097 bnx2x_cl45_write(bp, phy,
60d2fe03 9098 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
de6eae1f 9099 0x400);
62b29a5d 9100
de6eae1f
YR
9101 } else { /* Default 10G. Set only LASI control */
9102 bnx2x_cl45_write(bp, phy,
60d2fe03 9103 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
7aa0711f
YR
9104 }
9105
de6eae1f
YR
9106 /* Set TX PreEmphasis if needed */
9107 if ((params->feature_config_flags &
9108 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
94f05b0f
JP
9109 DP(NETIF_MSG_LINK,
9110 "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
de6eae1f
YR
9111 phy->tx_preemphasis[0],
9112 phy->tx_preemphasis[1]);
9113 bnx2x_cl45_write(bp, phy,
9114 MDIO_PMA_DEVAD,
9115 MDIO_PMA_REG_8726_TX_CTRL1,
9116 phy->tx_preemphasis[0]);
c18aa15d 9117
de6eae1f
YR
9118 bnx2x_cl45_write(bp, phy,
9119 MDIO_PMA_DEVAD,
9120 MDIO_PMA_REG_8726_TX_CTRL2,
9121 phy->tx_preemphasis[1]);
9122 }
ab6ad5a4 9123
de6eae1f 9124 return 0;
ab6ad5a4 9125
ea4e040a
YR
9126}
9127
de6eae1f
YR
9128static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
9129 struct link_params *params)
2f904460 9130{
de6eae1f
YR
9131 struct bnx2x *bp = params->bp;
9132 DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
9133 /* Set serial boot control for external load */
9134 bnx2x_cl45_write(bp, phy,
9135 MDIO_PMA_DEVAD,
9136 MDIO_PMA_REG_GEN_CTRL, 0x0001);
9137}
9138
9139/******************************************************************/
9140/* BCM8727 PHY SECTION */
9141/******************************************************************/
7f02c4ad
YR
9142
9143static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
9144 struct link_params *params, u8 mode)
9145{
9146 struct bnx2x *bp = params->bp;
9147 u16 led_mode_bitmask = 0;
9148 u16 gpio_pins_bitmask = 0;
9149 u16 val;
9150 /* Only NOC flavor requires to set the LED specifically */
9151 if (!(phy->flags & FLAGS_NOC))
9152 return;
9153 switch (mode) {
9154 case LED_MODE_FRONT_PANEL_OFF:
9155 case LED_MODE_OFF:
9156 led_mode_bitmask = 0;
9157 gpio_pins_bitmask = 0x03;
9158 break;
9159 case LED_MODE_ON:
9160 led_mode_bitmask = 0;
9161 gpio_pins_bitmask = 0x02;
9162 break;
9163 case LED_MODE_OPER:
9164 led_mode_bitmask = 0x60;
9165 gpio_pins_bitmask = 0x11;
9166 break;
9167 }
9168 bnx2x_cl45_read(bp, phy,
9169 MDIO_PMA_DEVAD,
9170 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9171 &val);
9172 val &= 0xff8f;
9173 val |= led_mode_bitmask;
9174 bnx2x_cl45_write(bp, phy,
9175 MDIO_PMA_DEVAD,
9176 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9177 val);
9178 bnx2x_cl45_read(bp, phy,
9179 MDIO_PMA_DEVAD,
9180 MDIO_PMA_REG_8727_GPIO_CTRL,
9181 &val);
9182 val &= 0xffe0;
9183 val |= gpio_pins_bitmask;
9184 bnx2x_cl45_write(bp, phy,
9185 MDIO_PMA_DEVAD,
9186 MDIO_PMA_REG_8727_GPIO_CTRL,
9187 val);
9188}
de6eae1f
YR
9189static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
9190 struct link_params *params) {
9191 u32 swap_val, swap_override;
9192 u8 port;
8f73f0b9 9193 /* The PHY reset is controlled by GPIO 1. Fake the port number
de6eae1f 9194 * to cancel the swap done in set_gpio()
2f904460 9195 */
de6eae1f
YR
9196 struct bnx2x *bp = params->bp;
9197 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
9198 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
9199 port = (swap_val && swap_override) ^ 1;
9200 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
cd88ccee 9201 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2f904460 9202}
e10bc84d 9203
dbef807e
YM
9204static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
9205 struct link_params *params)
9206{
9207 struct bnx2x *bp = params->bp;
9208 u16 tmp1, val;
9209 /* Set option 1G speed */
9210 if ((phy->req_line_speed == SPEED_1000) ||
9211 (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
9212 DP(NETIF_MSG_LINK, "Setting 1G force\n");
9213 bnx2x_cl45_write(bp, phy,
9214 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9215 bnx2x_cl45_write(bp, phy,
9216 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9217 bnx2x_cl45_read(bp, phy,
9218 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
9219 DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
9220 /* Power down the XAUI until link is up in case of dual-media
9221 * and 1G
9222 */
9223 if (DUAL_MEDIA(params)) {
9224 bnx2x_cl45_read(bp, phy,
9225 MDIO_PMA_DEVAD,
9226 MDIO_PMA_REG_8727_PCS_GP, &val);
9227 val |= (3<<10);
9228 bnx2x_cl45_write(bp, phy,
9229 MDIO_PMA_DEVAD,
9230 MDIO_PMA_REG_8727_PCS_GP, val);
9231 }
9232 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9233 ((phy->speed_cap_mask &
9234 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
9235 ((phy->speed_cap_mask &
9236 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9237 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9238
9239 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9240 bnx2x_cl45_write(bp, phy,
9241 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
9242 bnx2x_cl45_write(bp, phy,
9243 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
9244 } else {
9245 /* Since the 8727 has only single reset pin, need to set the 10G
9246 * registers although it is default
9247 */
9248 bnx2x_cl45_write(bp, phy,
9249 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
9250 0x0020);
9251 bnx2x_cl45_write(bp, phy,
9252 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
9253 bnx2x_cl45_write(bp, phy,
9254 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
9255 bnx2x_cl45_write(bp, phy,
9256 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
9257 0x0008);
9258 }
9259}
9260
fcf5b650
YR
9261static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
9262 struct link_params *params,
9263 struct link_vars *vars)
ea4e040a 9264{
a8db5b4c 9265 u32 tx_en_mode;
5c107fda 9266 u16 tmp1, mod_abs, tmp2;
ea4e040a 9267 struct bnx2x *bp = params->bp;
de6eae1f 9268 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
ea4e040a 9269
6d870c39 9270 bnx2x_wait_reset_complete(bp, phy, params);
ea4e040a 9271
de6eae1f 9272 DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
ea4e040a 9273
5c107fda 9274 bnx2x_8727_specific_func(phy, params, PHY_INIT);
8f73f0b9 9275 /* Initially configure MOD_ABS to interrupt when module is
2cf7acf9
YR
9276 * presence( bit 8)
9277 */
de6eae1f
YR
9278 bnx2x_cl45_read(bp, phy,
9279 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
8f73f0b9 9280 /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
2cf7acf9
YR
9281 * When the EDC is off it locks onto a reference clock and avoids
9282 * becoming 'lost'
9283 */
7f02c4ad
YR
9284 mod_abs &= ~(1<<8);
9285 if (!(phy->flags & FLAGS_NOC))
9286 mod_abs &= ~(1<<9);
de6eae1f
YR
9287 bnx2x_cl45_write(bp, phy,
9288 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
ea4e040a 9289
85242eea
YR
9290 /* Enable/Disable PHY transmitter output */
9291 bnx2x_set_disable_pmd_transmit(params, phy, 0);
9292
de6eae1f
YR
9293 bnx2x_8727_power_module(bp, phy, 1);
9294
9295 bnx2x_cl45_read(bp, phy,
9296 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
9297
9298 bnx2x_cl45_read(bp, phy,
60d2fe03 9299 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
de6eae1f 9300
dbef807e 9301 bnx2x_8727_config_speed(phy, params);
5c107fda 9302
b7737c9b 9303
de6eae1f
YR
9304 /* Set TX PreEmphasis if needed */
9305 if ((params->feature_config_flags &
9306 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9307 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9308 phy->tx_preemphasis[0],
9309 phy->tx_preemphasis[1]);
9310 bnx2x_cl45_write(bp, phy,
9311 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
9312 phy->tx_preemphasis[0]);
ea4e040a 9313
de6eae1f
YR
9314 bnx2x_cl45_write(bp, phy,
9315 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
9316 phy->tx_preemphasis[1]);
9317 }
ea4e040a 9318
8f73f0b9 9319 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
a8db5b4c
YR
9320 * power mode, if TX Laser is disabled
9321 */
9322 tx_en_mode = REG_RD(bp, params->shmem_base +
9323 offsetof(struct shmem_region,
9324 dev_info.port_hw_config[params->port].sfp_ctrl))
9325 & PORT_HW_CFG_TX_LASER_MASK;
9326
9327 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9328
9329 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
9330 bnx2x_cl45_read(bp, phy,
9331 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
9332 tmp2 |= 0x1000;
9333 tmp2 &= 0xFFEF;
9334 bnx2x_cl45_write(bp, phy,
9335 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
59a2e53b
YR
9336 bnx2x_cl45_read(bp, phy,
9337 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9338 &tmp2);
9339 bnx2x_cl45_write(bp, phy,
9340 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9341 (tmp2 & 0x7fff));
a8db5b4c
YR
9342 }
9343
de6eae1f 9344 return 0;
ea4e040a
YR
9345}
9346
de6eae1f
YR
9347static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
9348 struct link_params *params)
ea4e040a 9349{
ea4e040a 9350 struct bnx2x *bp = params->bp;
de6eae1f
YR
9351 u16 mod_abs, rx_alarm_status;
9352 u32 val = REG_RD(bp, params->shmem_base +
9353 offsetof(struct shmem_region, dev_info.
9354 port_feature_config[params->port].
9355 config));
9356 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
9357 MDIO_PMA_DEVAD,
9358 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
de6eae1f 9359 if (mod_abs & (1<<8)) {
ea4e040a 9360
de6eae1f 9361 /* Module is absent */
94f05b0f
JP
9362 DP(NETIF_MSG_LINK,
9363 "MOD_ABS indication show module is absent\n");
1ac9e428 9364 phy->media_type = ETH_PHY_NOT_PRESENT;
8f73f0b9 9365 /* 1. Set mod_abs to detect next module
2cf7acf9
YR
9366 * presence event
9367 * 2. Set EDC off by setting OPTXLOS signal input to low
9368 * (bit 9).
9369 * When the EDC is off it locks onto a reference clock and
9370 * avoids becoming 'lost'.
9371 */
7f02c4ad
YR
9372 mod_abs &= ~(1<<8);
9373 if (!(phy->flags & FLAGS_NOC))
9374 mod_abs &= ~(1<<9);
de6eae1f 9375 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
9376 MDIO_PMA_DEVAD,
9377 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
ea4e040a 9378
8f73f0b9 9379 /* Clear RX alarm since it stays up as long as
2cf7acf9
YR
9380 * the mod_abs wasn't changed
9381 */
de6eae1f 9382 bnx2x_cl45_read(bp, phy,
cd88ccee 9383 MDIO_PMA_DEVAD,
60d2fe03 9384 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
ea4e040a 9385
de6eae1f
YR
9386 } else {
9387 /* Module is present */
94f05b0f
JP
9388 DP(NETIF_MSG_LINK,
9389 "MOD_ABS indication show module is present\n");
8f73f0b9 9390 /* First disable transmitter, and if the module is ok, the
2cf7acf9
YR
9391 * module_detection will enable it
9392 * 1. Set mod_abs to detect next module absent event ( bit 8)
9393 * 2. Restore the default polarity of the OPRXLOS signal and
9394 * this signal will then correctly indicate the presence or
9395 * absence of the Rx signal. (bit 9)
9396 */
7f02c4ad
YR
9397 mod_abs |= (1<<8);
9398 if (!(phy->flags & FLAGS_NOC))
9399 mod_abs |= (1<<9);
e10bc84d 9400 bnx2x_cl45_write(bp, phy,
de6eae1f
YR
9401 MDIO_PMA_DEVAD,
9402 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
ea4e040a 9403
8f73f0b9 9404 /* Clear RX alarm since it stays up as long as the mod_abs
2cf7acf9
YR
9405 * wasn't changed. This is need to be done before calling the
9406 * module detection, otherwise it will clear* the link update
9407 * alarm
9408 */
de6eae1f
YR
9409 bnx2x_cl45_read(bp, phy,
9410 MDIO_PMA_DEVAD,
60d2fe03 9411 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
ea4e040a 9412
ea4e040a 9413
de6eae1f
YR
9414 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9415 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
a8db5b4c 9416 bnx2x_sfp_set_transmitter(params, phy, 0);
de6eae1f
YR
9417
9418 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
9419 bnx2x_sfp_module_detection(phy, params);
9420 else
9421 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
dbef807e
YM
9422
9423 /* Reconfigure link speed based on module type limitations */
9424 bnx2x_8727_config_speed(phy, params);
ea4e040a 9425 }
de6eae1f
YR
9426
9427 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
2cf7acf9
YR
9428 rx_alarm_status);
9429 /* No need to check link status in case of module plugged in/out */
ea4e040a
YR
9430}
9431
de6eae1f
YR
9432static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
9433 struct link_params *params,
9434 struct link_vars *vars)
9435
ea4e040a
YR
9436{
9437 struct bnx2x *bp = params->bp;
27d02432 9438 u8 link_up = 0, oc_port = params->port;
de6eae1f 9439 u16 link_status = 0;
a22f0788
YR
9440 u16 rx_alarm_status, lasi_ctrl, val1;
9441
9442 /* If PHY is not initialized, do not check link status */
9443 bnx2x_cl45_read(bp, phy,
60d2fe03 9444 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
a22f0788
YR
9445 &lasi_ctrl);
9446 if (!lasi_ctrl)
9447 return 0;
9448
9045f6b4 9449 /* Check the LASI on Rx */
de6eae1f 9450 bnx2x_cl45_read(bp, phy,
60d2fe03 9451 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
de6eae1f
YR
9452 &rx_alarm_status);
9453 vars->line_speed = 0;
9454 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
9455
60d2fe03
YR
9456 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
9457 MDIO_PMA_LASI_TXCTRL);
c688fe2f 9458
de6eae1f 9459 bnx2x_cl45_read(bp, phy,
60d2fe03 9460 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
de6eae1f
YR
9461
9462 DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
9463
9464 /* Clear MSG-OUT */
9465 bnx2x_cl45_read(bp, phy,
9466 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
9467
8f73f0b9 9468 /* If a module is present and there is need to check
de6eae1f
YR
9469 * for over current
9470 */
9471 if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
9472 /* Check over-current using 8727 GPIO0 input*/
9473 bnx2x_cl45_read(bp, phy,
9474 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
9475 &val1);
9476
9477 if ((val1 & (1<<8)) == 0) {
27d02432
YR
9478 if (!CHIP_IS_E1x(bp))
9479 oc_port = BP_PATH(bp) + (params->port << 1);
94f05b0f
JP
9480 DP(NETIF_MSG_LINK,
9481 "8727 Power fault has been detected on port %d\n",
9482 oc_port);
2f751a80
YR
9483 netdev_err(bp->dev, "Error: Power fault on Port %d has "
9484 "been detected and the power to "
9485 "that SFP+ module has been removed "
9486 "to prevent failure of the card. "
9487 "Please remove the SFP+ module and "
9488 "restart the system to clear this "
9489 "error.\n",
27d02432 9490 oc_port);
2cf7acf9 9491 /* Disable all RX_ALARMs except for mod_abs */
de6eae1f
YR
9492 bnx2x_cl45_write(bp, phy,
9493 MDIO_PMA_DEVAD,
60d2fe03 9494 MDIO_PMA_LASI_RXCTRL, (1<<5));
de6eae1f
YR
9495
9496 bnx2x_cl45_read(bp, phy,
9497 MDIO_PMA_DEVAD,
9498 MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
9499 /* Wait for module_absent_event */
9500 val1 |= (1<<8);
9501 bnx2x_cl45_write(bp, phy,
9502 MDIO_PMA_DEVAD,
9503 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
9504 /* Clear RX alarm */
9505 bnx2x_cl45_read(bp, phy,
9506 MDIO_PMA_DEVAD,
60d2fe03 9507 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
de6eae1f
YR
9508 return 0;
9509 }
9510 } /* Over current check */
9511
9512 /* When module absent bit is set, check module */
9513 if (rx_alarm_status & (1<<5)) {
9514 bnx2x_8727_handle_mod_abs(phy, params);
9515 /* Enable all mod_abs and link detection bits */
9516 bnx2x_cl45_write(bp, phy,
60d2fe03 9517 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
de6eae1f
YR
9518 ((1<<5) | (1<<2)));
9519 }
59a2e53b
YR
9520
9521 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
9522 DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
9523 bnx2x_sfp_set_transmitter(params, phy, 1);
9524 } else {
de6eae1f
YR
9525 DP(NETIF_MSG_LINK, "Tx is disabled\n");
9526 return 0;
9527 }
9528
9529 bnx2x_cl45_read(bp, phy,
9530 MDIO_PMA_DEVAD,
9531 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
9532
8f73f0b9 9533 /* Bits 0..2 --> speed detected,
2cf7acf9
YR
9534 * Bits 13..15--> link is down
9535 */
de6eae1f
YR
9536 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
9537 link_up = 1;
9538 vars->line_speed = SPEED_10000;
2cf7acf9
YR
9539 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
9540 params->port);
de6eae1f
YR
9541 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
9542 link_up = 1;
9543 vars->line_speed = SPEED_1000;
9544 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
9545 params->port);
9546 } else {
9547 link_up = 0;
9548 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
9549 params->port);
9550 }
c688fe2f
YR
9551
9552 /* Capture 10G link fault. */
9553 if (vars->line_speed == SPEED_10000) {
9554 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
60d2fe03 9555 MDIO_PMA_LASI_TXSTAT, &val1);
c688fe2f
YR
9556
9557 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
60d2fe03 9558 MDIO_PMA_LASI_TXSTAT, &val1);
c688fe2f
YR
9559
9560 if (val1 & (1<<0)) {
9561 vars->fault_detected = 1;
9562 }
9563 }
9564
791f18c0 9565 if (link_up) {
de6eae1f 9566 bnx2x_ext_phy_resolve_fc(phy, params, vars);
791f18c0
YR
9567 vars->duplex = DUPLEX_FULL;
9568 DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
9569 }
a22f0788
YR
9570
9571 if ((DUAL_MEDIA(params)) &&
9572 (phy->req_line_speed == SPEED_1000)) {
9573 bnx2x_cl45_read(bp, phy,
9574 MDIO_PMA_DEVAD,
9575 MDIO_PMA_REG_8727_PCS_GP, &val1);
8f73f0b9 9576 /* In case of dual-media board and 1G, power up the XAUI side,
a22f0788
YR
9577 * otherwise power it down. For 10G it is done automatically
9578 */
9579 if (link_up)
9580 val1 &= ~(3<<10);
9581 else
9582 val1 |= (3<<10);
9583 bnx2x_cl45_write(bp, phy,
9584 MDIO_PMA_DEVAD,
9585 MDIO_PMA_REG_8727_PCS_GP, val1);
9586 }
de6eae1f 9587 return link_up;
b7737c9b 9588}
ea4e040a 9589
de6eae1f
YR
9590static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
9591 struct link_params *params)
b7737c9b
YR
9592{
9593 struct bnx2x *bp = params->bp;
85242eea
YR
9594
9595 /* Enable/Disable PHY transmitter output */
9596 bnx2x_set_disable_pmd_transmit(params, phy, 1);
9597
de6eae1f 9598 /* Disable Transmitter */
a8db5b4c 9599 bnx2x_sfp_set_transmitter(params, phy, 0);
a22f0788 9600 /* Clear LASI */
60d2fe03 9601 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
a22f0788 9602
ea4e040a 9603}
c18aa15d 9604
de6eae1f
YR
9605/******************************************************************/
9606/* BCM8481/BCM84823/BCM84833 PHY SECTION */
9607/******************************************************************/
9608static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
11b2ec6b
YR
9609 struct bnx2x *bp,
9610 u8 port)
ea4e040a 9611{
bac27bd9 9612 u16 val, fw_ver1, fw_ver2, cnt;
ea4e040a 9613
11b2ec6b
YR
9614 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9615 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
8267bbb0 9616 bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
11b2ec6b
YR
9617 phy->ver_addr);
9618 } else {
9619 /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
9620 /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
9621 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
9622 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9623 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
9624 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
9625 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
9626
9627 for (cnt = 0; cnt < 100; cnt++) {
9628 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9629 if (val & 1)
9630 break;
9631 udelay(5);
9632 }
9633 if (cnt == 100) {
9634 DP(NETIF_MSG_LINK, "Unable to read 848xx "
9635 "phy fw version(1)\n");
9636 bnx2x_save_spirom_version(bp, port, 0,
9637 phy->ver_addr);
9638 return;
9639 }
c87bca1e 9640
ea4e040a 9641
11b2ec6b
YR
9642 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
9643 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
9644 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9645 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
9646 for (cnt = 0; cnt < 100; cnt++) {
9647 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9648 if (val & 1)
9649 break;
9650 udelay(5);
9651 }
9652 if (cnt == 100) {
9653 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
9654 "version(2)\n");
9655 bnx2x_save_spirom_version(bp, port, 0,
9656 phy->ver_addr);
9657 return;
9658 }
ea4e040a 9659
11b2ec6b
YR
9660 /* lower 16 bits of the register SPI_FW_STATUS */
9661 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
9662 /* upper 16 bits of register SPI_FW_STATUS */
9663 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
ea4e040a 9664
11b2ec6b 9665 bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
de6eae1f 9666 phy->ver_addr);
ea4e040a
YR
9667 }
9668
de6eae1f 9669}
de6eae1f
YR
9670static void bnx2x_848xx_set_led(struct bnx2x *bp,
9671 struct bnx2x_phy *phy)
ea4e040a 9672{
521683da 9673 u16 val, offset;
7846e471 9674
de6eae1f
YR
9675 /* PHYC_CTL_LED_CTL */
9676 bnx2x_cl45_read(bp, phy,
9677 MDIO_PMA_DEVAD,
bac27bd9 9678 MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
de6eae1f
YR
9679 val &= 0xFE00;
9680 val |= 0x0092;
345b5d52 9681
de6eae1f
YR
9682 bnx2x_cl45_write(bp, phy,
9683 MDIO_PMA_DEVAD,
bac27bd9 9684 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
ea4e040a 9685
de6eae1f
YR
9686 bnx2x_cl45_write(bp, phy,
9687 MDIO_PMA_DEVAD,
bac27bd9 9688 MDIO_PMA_REG_8481_LED1_MASK,
de6eae1f 9689 0x80);
ea4e040a 9690
de6eae1f
YR
9691 bnx2x_cl45_write(bp, phy,
9692 MDIO_PMA_DEVAD,
bac27bd9 9693 MDIO_PMA_REG_8481_LED2_MASK,
de6eae1f 9694 0x18);
ea4e040a 9695
f25b3c8b 9696 /* Select activity source by Tx and Rx, as suggested by PHY AE */
de6eae1f
YR
9697 bnx2x_cl45_write(bp, phy,
9698 MDIO_PMA_DEVAD,
bac27bd9 9699 MDIO_PMA_REG_8481_LED3_MASK,
f25b3c8b
YR
9700 0x0006);
9701
9702 /* Select the closest activity blink rate to that in 10/100/1000 */
9703 bnx2x_cl45_write(bp, phy,
9704 MDIO_PMA_DEVAD,
bac27bd9 9705 MDIO_PMA_REG_8481_LED3_BLINK,
f25b3c8b
YR
9706 0);
9707
521683da
YR
9708 /* Configure the blink rate to ~15.9 Hz */
9709 bnx2x_cl45_write(bp, phy,
f25b3c8b 9710 MDIO_PMA_DEVAD,
521683da
YR
9711 MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
9712 MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
f25b3c8b 9713
521683da
YR
9714 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
9715 offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
9716 else
9717 offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
9718
9719 bnx2x_cl45_read(bp, phy,
9720 MDIO_PMA_DEVAD, offset, &val);
9721 val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
f25b3c8b 9722 bnx2x_cl45_write(bp, phy,
521683da 9723 MDIO_PMA_DEVAD, offset, val);
ea4e040a 9724
de6eae1f
YR
9725 /* 'Interrupt Mask' */
9726 bnx2x_cl45_write(bp, phy,
9727 MDIO_AN_DEVAD,
9728 0xFFFB, 0xFFFD);
ea4e040a
YR
9729}
9730
5c107fda
YR
9731static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
9732 struct link_params *params,
9733 u32 action)
9734{
9735 struct bnx2x *bp = params->bp;
9736 switch (action) {
9737 case PHY_INIT:
9738 if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9739 /* Save spirom version */
9740 bnx2x_save_848xx_spirom_version(phy, bp, params->port);
9741 }
9742 /* This phy uses the NIG latch mechanism since link indication
9743 * arrives through its LED4 and not via its LASI signal, so we
9744 * get steady signal instead of clear on read
9745 */
9746 bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
9747 1 << NIG_LATCH_BC_ENABLE_MI_INT);
9748
9749 bnx2x_848xx_set_led(bp, phy);
9750 break;
9751 }
9752}
9753
fcf5b650
YR
9754static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
9755 struct link_params *params,
9756 struct link_vars *vars)
ea4e040a 9757{
c18aa15d 9758 struct bnx2x *bp = params->bp;
521683da 9759 u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
bac27bd9 9760
5c107fda 9761 bnx2x_848xx_specific_func(phy, params, PHY_INIT);
de6eae1f
YR
9762 bnx2x_cl45_write(bp, phy,
9763 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
ea4e040a 9764
de6eae1f
YR
9765 /* set 1000 speed advertisement */
9766 bnx2x_cl45_read(bp, phy,
9767 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9768 &an_1000_val);
57963ed9 9769
de6eae1f
YR
9770 bnx2x_ext_phy_set_pause(params, phy, vars);
9771 bnx2x_cl45_read(bp, phy,
9772 MDIO_AN_DEVAD,
9773 MDIO_AN_REG_8481_LEGACY_AN_ADV,
9774 &an_10_100_val);
9775 bnx2x_cl45_read(bp, phy,
9776 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9777 &autoneg_val);
9778 /* Disable forced speed */
9779 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9780 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
ea4e040a 9781
de6eae1f
YR
9782 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9783 (phy->speed_cap_mask &
9784 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9785 (phy->req_line_speed == SPEED_1000)) {
9786 an_1000_val |= (1<<8);
9787 autoneg_val |= (1<<9 | 1<<12);
9788 if (phy->req_duplex == DUPLEX_FULL)
9789 an_1000_val |= (1<<9);
9790 DP(NETIF_MSG_LINK, "Advertising 1G\n");
9791 } else
9792 an_1000_val &= ~((1<<8) | (1<<9));
ea4e040a 9793
de6eae1f
YR
9794 bnx2x_cl45_write(bp, phy,
9795 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9796 an_1000_val);
ea4e040a 9797
0520e63a 9798 /* set 100 speed advertisement */
75318327 9799 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
de6eae1f 9800 (phy->speed_cap_mask &
0520e63a 9801 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
75318327 9802 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
de6eae1f
YR
9803 an_10_100_val |= (1<<7);
9804 /* Enable autoneg and restart autoneg for legacy speeds */
9805 autoneg_val |= (1<<9 | 1<<12);
b7737c9b 9806
de6eae1f
YR
9807 if (phy->req_duplex == DUPLEX_FULL)
9808 an_10_100_val |= (1<<8);
9809 DP(NETIF_MSG_LINK, "Advertising 100M\n");
9810 }
9811 /* set 10 speed advertisement */
9812 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
0520e63a
YR
9813 (phy->speed_cap_mask &
9814 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
9815 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
9816 (phy->supported &
9817 (SUPPORTED_10baseT_Half |
9818 SUPPORTED_10baseT_Full)))) {
de6eae1f
YR
9819 an_10_100_val |= (1<<5);
9820 autoneg_val |= (1<<9 | 1<<12);
9821 if (phy->req_duplex == DUPLEX_FULL)
9822 an_10_100_val |= (1<<6);
9823 DP(NETIF_MSG_LINK, "Advertising 10M\n");
9824 }
b7737c9b 9825
de6eae1f 9826 /* Only 10/100 are allowed to work in FORCE mode */
0520e63a
YR
9827 if ((phy->req_line_speed == SPEED_100) &&
9828 (phy->supported &
9829 (SUPPORTED_100baseT_Half |
9830 SUPPORTED_100baseT_Full))) {
de6eae1f
YR
9831 autoneg_val |= (1<<13);
9832 /* Enabled AUTO-MDIX when autoneg is disabled */
9833 bnx2x_cl45_write(bp, phy,
9834 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9835 (1<<15 | 1<<9 | 7<<0));
521683da
YR
9836 /* The PHY needs this set even for forced link. */
9837 an_10_100_val |= (1<<8) | (1<<7);
de6eae1f
YR
9838 DP(NETIF_MSG_LINK, "Setting 100M force\n");
9839 }
0520e63a
YR
9840 if ((phy->req_line_speed == SPEED_10) &&
9841 (phy->supported &
9842 (SUPPORTED_10baseT_Half |
9843 SUPPORTED_10baseT_Full))) {
de6eae1f
YR
9844 /* Enabled AUTO-MDIX when autoneg is disabled */
9845 bnx2x_cl45_write(bp, phy,
9846 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9847 (1<<15 | 1<<9 | 7<<0));
9848 DP(NETIF_MSG_LINK, "Setting 10M force\n");
9849 }
b7737c9b 9850
de6eae1f
YR
9851 bnx2x_cl45_write(bp, phy,
9852 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
9853 an_10_100_val);
b7737c9b 9854
de6eae1f
YR
9855 if (phy->req_duplex == DUPLEX_FULL)
9856 autoneg_val |= (1<<8);
b7737c9b 9857
8f73f0b9 9858 /* Always write this if this is not 84833.
fd38f73e
YR
9859 * For 84833, write it only when it's a forced speed.
9860 */
9861 if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9862 ((autoneg_val & (1<<12)) == 0))
9863 bnx2x_cl45_write(bp, phy,
de6eae1f
YR
9864 MDIO_AN_DEVAD,
9865 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
b7737c9b 9866
de6eae1f
YR
9867 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9868 (phy->speed_cap_mask &
9869 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
9870 (phy->req_line_speed == SPEED_10000)) {
9045f6b4
YR
9871 DP(NETIF_MSG_LINK, "Advertising 10G\n");
9872 /* Restart autoneg for 10G*/
de6eae1f 9873
521683da
YR
9874 bnx2x_cl45_read(bp, phy,
9875 MDIO_AN_DEVAD,
9876 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9877 &an_10g_val);
9045f6b4 9878 bnx2x_cl45_write(bp, phy,
521683da
YR
9879 MDIO_AN_DEVAD,
9880 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9881 an_10g_val | 0x1000);
9882 bnx2x_cl45_write(bp, phy,
9883 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
9884 0x3200);
fd38f73e 9885 } else
de6eae1f
YR
9886 bnx2x_cl45_write(bp, phy,
9887 MDIO_AN_DEVAD,
9888 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9889 1);
fd38f73e 9890
de6eae1f 9891 return 0;
b7737c9b
YR
9892}
9893
fcf5b650
YR
9894static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
9895 struct link_params *params,
9896 struct link_vars *vars)
ea4e040a
YR
9897{
9898 struct bnx2x *bp = params->bp;
de6eae1f
YR
9899 /* Restore normal power mode*/
9900 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
cd88ccee 9901 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
b7737c9b 9902
de6eae1f
YR
9903 /* HW reset */
9904 bnx2x_ext_phy_hw_reset(bp, params->port);
6d870c39 9905 bnx2x_wait_reset_complete(bp, phy, params);
ab6ad5a4 9906
de6eae1f
YR
9907 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9908 return bnx2x_848xx_cmn_config_init(phy, params, vars);
9909}
ea4e040a 9910
521683da
YR
9911#define PHY84833_CMDHDLR_WAIT 300
9912#define PHY84833_CMDHDLR_MAX_ARGS 5
9913static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
bac27bd9 9914 struct link_params *params,
521683da 9915 u16 fw_cmd,
c8c60d88 9916 u16 cmd_args[], int argc)
bac27bd9 9917{
c8c60d88 9918 int idx;
bac27bd9 9919 u16 val;
bac27bd9 9920 struct bnx2x *bp = params->bp;
bac27bd9
YR
9921 /* Write CMD_OPEN_OVERRIDE to STATUS reg */
9922 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
521683da
YR
9923 MDIO_84833_CMD_HDLR_STATUS,
9924 PHY84833_STATUS_CMD_OPEN_OVERRIDE);
9925 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
bac27bd9 9926 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
521683da
YR
9927 MDIO_84833_CMD_HDLR_STATUS, &val);
9928 if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
bac27bd9 9929 break;
d231023e 9930 usleep_range(1000, 2000);
bac27bd9 9931 }
521683da
YR
9932 if (idx >= PHY84833_CMDHDLR_WAIT) {
9933 DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
bac27bd9
YR
9934 return -EINVAL;
9935 }
9936
521683da 9937 /* Prepare argument(s) and issue command */
c8c60d88 9938 for (idx = 0; idx < argc; idx++) {
521683da
YR
9939 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9940 MDIO_84833_CMD_HDLR_DATA1 + idx,
9941 cmd_args[idx]);
9942 }
bac27bd9 9943 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
521683da
YR
9944 MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
9945 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
bac27bd9 9946 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
521683da
YR
9947 MDIO_84833_CMD_HDLR_STATUS, &val);
9948 if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
9949 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
bac27bd9 9950 break;
d231023e 9951 usleep_range(1000, 2000);
bac27bd9 9952 }
521683da
YR
9953 if ((idx >= PHY84833_CMDHDLR_WAIT) ||
9954 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
9955 DP(NETIF_MSG_LINK, "FW cmd failed.\n");
bac27bd9
YR
9956 return -EINVAL;
9957 }
521683da 9958 /* Gather returning data */
c8c60d88 9959 for (idx = 0; idx < argc; idx++) {
521683da
YR
9960 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9961 MDIO_84833_CMD_HDLR_DATA1 + idx,
9962 &cmd_args[idx]);
9963 }
bac27bd9 9964 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
521683da
YR
9965 MDIO_84833_CMD_HDLR_STATUS,
9966 PHY84833_STATUS_CMD_CLEAR_COMPLETE);
bac27bd9
YR
9967 return 0;
9968}
9969
0d40f0d4 9970
521683da
YR
9971static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
9972 struct link_params *params,
9973 struct link_vars *vars)
9974{
9975 u32 pair_swap;
9976 u16 data[PHY84833_CMDHDLR_MAX_ARGS];
9977 int status;
9978 struct bnx2x *bp = params->bp;
9979
9980 /* Check for configuration. */
9981 pair_swap = REG_RD(bp, params->shmem_base +
9982 offsetof(struct shmem_region,
9983 dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
9984 PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
9985
9986 if (pair_swap == 0)
9987 return 0;
9988
9989 /* Only the second argument is used for this command */
9990 data[1] = (u16)pair_swap;
9991
9992 status = bnx2x_84833_cmd_hdlr(phy, params,
c8c60d88 9993 PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
521683da
YR
9994 if (status == 0)
9995 DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
9996
9997 return status;
9998}
9999
985848f8
YR
10000static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
10001 u32 shmem_base_path[],
10002 u32 chip_id)
0d40f0d4
YR
10003{
10004 u32 reset_pin[2];
10005 u32 idx;
10006 u8 reset_gpios;
10007 if (CHIP_IS_E3(bp)) {
10008 /* Assume that these will be GPIOs, not EPIOs. */
10009 for (idx = 0; idx < 2; idx++) {
10010 /* Map config param to register bit. */
10011 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
10012 offsetof(struct shmem_region,
10013 dev_info.port_hw_config[0].e3_cmn_pin_cfg));
10014 reset_pin[idx] = (reset_pin[idx] &
10015 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10016 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10017 reset_pin[idx] -= PIN_CFG_GPIO0_P0;
10018 reset_pin[idx] = (1 << reset_pin[idx]);
10019 }
10020 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
10021 } else {
10022 /* E2, look from diff place of shmem. */
10023 for (idx = 0; idx < 2; idx++) {
10024 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
10025 offsetof(struct shmem_region,
10026 dev_info.port_hw_config[0].default_cfg));
10027 reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
10028 reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
10029 reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
10030 reset_pin[idx] = (1 << reset_pin[idx]);
10031 }
10032 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
10033 }
10034
985848f8
YR
10035 return reset_gpios;
10036}
10037
10038static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
10039 struct link_params *params)
10040{
10041 struct bnx2x *bp = params->bp;
10042 u8 reset_gpios;
10043 u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
10044 offsetof(struct shmem2_region,
10045 other_shmem_base_addr));
10046
10047 u32 shmem_base_path[2];
99bf7f34
YR
10048
10049 /* Work around for 84833 LED failure inside RESET status */
10050 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10051 MDIO_AN_REG_8481_LEGACY_MII_CTRL,
10052 MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
10053 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10054 MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
10055 MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
10056
985848f8
YR
10057 shmem_base_path[0] = params->shmem_base;
10058 shmem_base_path[1] = other_shmem_base_addr;
10059
10060 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
10061 params->chip_id);
10062
10063 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
10064 udelay(10);
10065 DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
10066 reset_gpios);
10067
10068 return 0;
10069}
10070
c8c60d88
YM
10071static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
10072 struct link_params *params,
10073 struct link_vars *vars)
10074{
10075 int rc;
10076 struct bnx2x *bp = params->bp;
10077 u16 cmd_args = 0;
10078
10079 DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
10080
c8c60d88
YM
10081 /* Prevent Phy from working in EEE and advertising it */
10082 rc = bnx2x_84833_cmd_hdlr(phy, params,
10083 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
d231023e 10084 if (rc) {
c8c60d88
YM
10085 DP(NETIF_MSG_LINK, "EEE disable failed.\n");
10086 return rc;
10087 }
10088
ec4010ec 10089 return bnx2x_eee_disable(phy, params, vars);
c8c60d88
YM
10090}
10091
10092static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
10093 struct link_params *params,
10094 struct link_vars *vars)
10095{
10096 int rc;
10097 struct bnx2x *bp = params->bp;
10098 u16 cmd_args = 1;
10099
c8c60d88
YM
10100 rc = bnx2x_84833_cmd_hdlr(phy, params,
10101 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
d231023e 10102 if (rc) {
c8c60d88
YM
10103 DP(NETIF_MSG_LINK, "EEE enable failed.\n");
10104 return rc;
10105 }
10106
ec4010ec 10107 return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
c8c60d88
YM
10108}
10109
a89a1d4a 10110#define PHY84833_CONSTANT_LATENCY 1193
fcf5b650
YR
10111static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
10112 struct link_params *params,
10113 struct link_vars *vars)
de6eae1f
YR
10114{
10115 struct bnx2x *bp = params->bp;
6a71bbe0 10116 u8 port, initialize = 1;
bac27bd9 10117 u16 val;
521683da
YR
10118 u32 actual_phy_selection, cms_enable;
10119 u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
fcf5b650 10120 int rc = 0;
7f02c4ad 10121
d231023e 10122 usleep_range(1000, 2000);
bac27bd9 10123
5481388b 10124 if (!(CHIP_IS_E1x(bp)))
6a71bbe0
YR
10125 port = BP_PATH(bp);
10126 else
10127 port = params->port;
bac27bd9
YR
10128
10129 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10130 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10131 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
10132 port);
10133 } else {
985848f8 10134 /* MDIO reset */
bac27bd9
YR
10135 bnx2x_cl45_write(bp, phy,
10136 MDIO_PMA_DEVAD,
10137 MDIO_PMA_REG_CTRL, 0x8000);
521683da
YR
10138 }
10139
10140 bnx2x_wait_reset_complete(bp, phy, params);
10141
10142 /* Wait for GPHY to come out of reset */
10143 msleep(50);
11b2ec6b 10144 if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
8f73f0b9 10145 /* BCM84823 requires that XGXS links up first @ 10G for normal
521683da
YR
10146 * behavior.
10147 */
10148 u16 temp;
10149 temp = vars->line_speed;
10150 vars->line_speed = SPEED_10000;
10151 bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
10152 bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
10153 vars->line_speed = temp;
10154 }
a22f0788
YR
10155
10156 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
bac27bd9 10157 MDIO_CTL_REG_84823_MEDIA, &val);
a22f0788
YR
10158 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10159 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
10160 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
10161 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
10162 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
0d40f0d4
YR
10163
10164 if (CHIP_IS_E3(bp)) {
10165 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10166 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
10167 } else {
10168 val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
10169 MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
10170 }
a22f0788
YR
10171
10172 actual_phy_selection = bnx2x_phy_selection(params);
10173
10174 switch (actual_phy_selection) {
10175 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
25985edc 10176 /* Do nothing. Essentially this is like the priority copper */
a22f0788
YR
10177 break;
10178 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
10179 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
10180 break;
10181 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
10182 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
10183 break;
10184 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
10185 /* Do nothing here. The first PHY won't be initialized at all */
10186 break;
10187 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
10188 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
10189 initialize = 0;
10190 break;
10191 }
10192 if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
10193 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
10194
10195 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
bac27bd9 10196 MDIO_CTL_REG_84823_MEDIA, val);
a22f0788
YR
10197 DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
10198 params->multi_phy_config, val);
10199
11b2ec6b
YR
10200 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
10201 bnx2x_84833_pair_swap_cfg(phy, params, vars);
a89a1d4a 10202
096b9527
YR
10203 /* Keep AutogrEEEn disabled. */
10204 cmd_args[0] = 0x0;
11b2ec6b
YR
10205 cmd_args[1] = 0x0;
10206 cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
10207 cmd_args[3] = PHY84833_CONSTANT_LATENCY;
10208 rc = bnx2x_84833_cmd_hdlr(phy, params,
c8c60d88
YM
10209 PHY84833_CMD_SET_EEE_MODE, cmd_args,
10210 PHY84833_CMDHDLR_MAX_ARGS);
d231023e 10211 if (rc)
11b2ec6b
YR
10212 DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
10213 }
a22f0788
YR
10214 if (initialize)
10215 rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
10216 else
11b2ec6b 10217 bnx2x_save_848xx_spirom_version(phy, bp, params->port);
a89a1d4a
YR
10218 /* 84833 PHY has a better feature and doesn't need to support this. */
10219 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10220 cms_enable = REG_RD(bp, params->shmem_base +
1bef68e3
YR
10221 offsetof(struct shmem_region,
10222 dev_info.port_hw_config[params->port].default_cfg)) &
10223 PORT_HW_CFG_ENABLE_CMS_MASK;
10224
a89a1d4a
YR
10225 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10226 MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
10227 if (cms_enable)
10228 val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
10229 else
10230 val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
10231 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10232 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
10233 }
1bef68e3 10234
c8c60d88
YM
10235 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10236 MDIO_84833_TOP_CFG_FW_REV, &val);
10237
10238 /* Configure EEE support */
f6b6eb69
YM
10239 if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
10240 (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
10241 bnx2x_eee_has_cap(params)) {
ec4010ec 10242 rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
d231023e 10243 if (rc) {
c8c60d88
YM
10244 DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10245 bnx2x_8483x_disable_eee(phy, params, vars);
10246 return rc;
10247 }
10248
10249 if ((params->req_duplex[actual_phy_selection] == DUPLEX_FULL) &&
10250 (params->eee_mode & EEE_MODE_ADV_LPI) &&
10251 (bnx2x_eee_calc_timer(params) ||
10252 !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
10253 rc = bnx2x_8483x_enable_eee(phy, params, vars);
10254 else
10255 rc = bnx2x_8483x_disable_eee(phy, params, vars);
d231023e 10256 if (rc) {
c8c60d88
YM
10257 DP(NETIF_MSG_LINK, "Failed to set EEE advertisment\n");
10258 return rc;
10259 }
10260 } else {
c8c60d88
YM
10261 vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
10262 }
10263
11b2ec6b
YR
10264 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
10265 /* Bring PHY out of super isolate mode as the final step. */
10266 bnx2x_cl45_read(bp, phy,
10267 MDIO_CTL_DEVAD,
10268 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
10269 val &= ~MDIO_84833_SUPER_ISOLATE;
10270 bnx2x_cl45_write(bp, phy,
10271 MDIO_CTL_DEVAD,
10272 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
10273 }
a22f0788 10274 return rc;
de6eae1f 10275}
ea4e040a 10276
de6eae1f 10277static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
cd88ccee
YR
10278 struct link_params *params,
10279 struct link_vars *vars)
de6eae1f
YR
10280{
10281 struct bnx2x *bp = params->bp;
bac27bd9 10282 u16 val, val1, val2;
de6eae1f 10283 u8 link_up = 0;
ea4e040a 10284
c87bca1e 10285
de6eae1f
YR
10286 /* Check 10G-BaseT link status */
10287 /* Check PMD signal ok */
10288 bnx2x_cl45_read(bp, phy,
10289 MDIO_AN_DEVAD, 0xFFFA, &val1);
10290 bnx2x_cl45_read(bp, phy,
bac27bd9 10291 MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
de6eae1f
YR
10292 &val2);
10293 DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
ea4e040a 10294
de6eae1f
YR
10295 /* Check link 10G */
10296 if (val2 & (1<<11)) {
ea4e040a 10297 vars->line_speed = SPEED_10000;
791f18c0 10298 vars->duplex = DUPLEX_FULL;
de6eae1f
YR
10299 link_up = 1;
10300 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
10301 } else { /* Check Legacy speed link */
10302 u16 legacy_status, legacy_speed;
ea4e040a 10303
de6eae1f
YR
10304 /* Enable expansion register 0x42 (Operation mode status) */
10305 bnx2x_cl45_write(bp, phy,
10306 MDIO_AN_DEVAD,
10307 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
ea4e040a 10308
de6eae1f
YR
10309 /* Get legacy speed operation status */
10310 bnx2x_cl45_read(bp, phy,
10311 MDIO_AN_DEVAD,
10312 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
10313 &legacy_status);
ea4e040a 10314
94f05b0f
JP
10315 DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
10316 legacy_status);
de6eae1f 10317 link_up = ((legacy_status & (1<<11)) == (1<<11));
14400901
YM
10318 legacy_speed = (legacy_status & (3<<9));
10319 if (legacy_speed == (0<<9))
10320 vars->line_speed = SPEED_10;
10321 else if (legacy_speed == (1<<9))
10322 vars->line_speed = SPEED_100;
10323 else if (legacy_speed == (2<<9))
10324 vars->line_speed = SPEED_1000;
10325 else { /* Should not happen: Treat as link down */
10326 vars->line_speed = 0;
10327 link_up = 0;
10328 }
ea4e040a 10329
14400901 10330 if (link_up) {
de6eae1f
YR
10331 if (legacy_status & (1<<8))
10332 vars->duplex = DUPLEX_FULL;
10333 else
10334 vars->duplex = DUPLEX_HALF;
ea4e040a 10335
94f05b0f
JP
10336 DP(NETIF_MSG_LINK,
10337 "Link is up in %dMbps, is_duplex_full= %d\n",
10338 vars->line_speed,
10339 (vars->duplex == DUPLEX_FULL));
de6eae1f
YR
10340 /* Check legacy speed AN resolution */
10341 bnx2x_cl45_read(bp, phy,
10342 MDIO_AN_DEVAD,
10343 MDIO_AN_REG_8481_LEGACY_MII_STATUS,
10344 &val);
10345 if (val & (1<<5))
10346 vars->link_status |=
10347 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10348 bnx2x_cl45_read(bp, phy,
10349 MDIO_AN_DEVAD,
10350 MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
10351 &val);
10352 if ((val & (1<<0)) == 0)
10353 vars->link_status |=
10354 LINK_STATUS_PARALLEL_DETECTION_USED;
ea4e040a 10355 }
ea4e040a 10356 }
de6eae1f 10357 if (link_up) {
d231023e 10358 DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
de6eae1f
YR
10359 vars->line_speed);
10360 bnx2x_ext_phy_resolve_fc(phy, params, vars);
9e7e8399
MY
10361
10362 /* Read LP advertised speeds */
10363 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10364 MDIO_AN_REG_CL37_FC_LP, &val);
10365 if (val & (1<<5))
10366 vars->link_status |=
10367 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10368 if (val & (1<<6))
10369 vars->link_status |=
10370 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10371 if (val & (1<<7))
10372 vars->link_status |=
10373 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10374 if (val & (1<<8))
10375 vars->link_status |=
10376 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10377 if (val & (1<<9))
10378 vars->link_status |=
10379 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10380
10381 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10382 MDIO_AN_REG_1000T_STATUS, &val);
10383
10384 if (val & (1<<10))
10385 vars->link_status |=
10386 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10387 if (val & (1<<11))
10388 vars->link_status |=
10389 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10390
10391 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10392 MDIO_AN_REG_MASTER_STATUS, &val);
10393
10394 if (val & (1<<11))
10395 vars->link_status |=
10396 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
c8c60d88
YM
10397
10398 /* Determine if EEE was negotiated */
ec4010ec
YM
10399 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
10400 bnx2x_eee_an_resolve(phy, params, vars);
de6eae1f 10401 }
589abe3a 10402
de6eae1f 10403 return link_up;
b7737c9b
YR
10404}
10405
fcf5b650
YR
10406
10407static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
b7737c9b 10408{
fcf5b650 10409 int status = 0;
de6eae1f
YR
10410 u32 spirom_ver;
10411 spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
10412 status = bnx2x_format_ver(spirom_ver, str, len);
10413 return status;
b7737c9b 10414}
de6eae1f
YR
10415
10416static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
10417 struct link_params *params)
b7737c9b 10418{
de6eae1f 10419 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
cd88ccee 10420 MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
de6eae1f 10421 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
cd88ccee 10422 MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
b7737c9b 10423}
de6eae1f 10424
b7737c9b
YR
10425static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
10426 struct link_params *params)
10427{
10428 bnx2x_cl45_write(params->bp, phy,
10429 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
10430 bnx2x_cl45_write(params->bp, phy,
10431 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
10432}
10433
10434static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
10435 struct link_params *params)
10436{
10437 struct bnx2x *bp = params->bp;
6a71bbe0 10438 u8 port;
0d40f0d4 10439 u16 val16;
bac27bd9 10440
f93fb016 10441 if (!(CHIP_IS_E1x(bp)))
6a71bbe0
YR
10442 port = BP_PATH(bp);
10443 else
10444 port = params->port;
bac27bd9
YR
10445
10446 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10447 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10448 MISC_REGISTERS_GPIO_OUTPUT_LOW,
10449 port);
10450 } else {
0d40f0d4
YR
10451 bnx2x_cl45_read(bp, phy,
10452 MDIO_CTL_DEVAD,
11b2ec6b
YR
10453 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
10454 val16 |= MDIO_84833_SUPER_ISOLATE;
fd38f73e 10455 bnx2x_cl45_write(bp, phy,
11b2ec6b
YR
10456 MDIO_CTL_DEVAD,
10457 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
bac27bd9 10458 }
b7737c9b
YR
10459}
10460
7f02c4ad
YR
10461static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
10462 struct link_params *params, u8 mode)
10463{
10464 struct bnx2x *bp = params->bp;
10465 u16 val;
bac27bd9
YR
10466 u8 port;
10467
f93fb016 10468 if (!(CHIP_IS_E1x(bp)))
bac27bd9
YR
10469 port = BP_PATH(bp);
10470 else
10471 port = params->port;
7f02c4ad
YR
10472
10473 switch (mode) {
10474 case LED_MODE_OFF:
10475
bac27bd9 10476 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
7f02c4ad
YR
10477
10478 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10479 SHARED_HW_CFG_LED_EXTPHY1) {
10480
10481 /* Set LED masks */
10482 bnx2x_cl45_write(bp, phy,
10483 MDIO_PMA_DEVAD,
10484 MDIO_PMA_REG_8481_LED1_MASK,
10485 0x0);
10486
10487 bnx2x_cl45_write(bp, phy,
10488 MDIO_PMA_DEVAD,
10489 MDIO_PMA_REG_8481_LED2_MASK,
10490 0x0);
10491
10492 bnx2x_cl45_write(bp, phy,
10493 MDIO_PMA_DEVAD,
10494 MDIO_PMA_REG_8481_LED3_MASK,
10495 0x0);
10496
10497 bnx2x_cl45_write(bp, phy,
10498 MDIO_PMA_DEVAD,
10499 MDIO_PMA_REG_8481_LED5_MASK,
10500 0x0);
10501
10502 } else {
10503 bnx2x_cl45_write(bp, phy,
10504 MDIO_PMA_DEVAD,
10505 MDIO_PMA_REG_8481_LED1_MASK,
10506 0x0);
10507 }
10508 break;
10509 case LED_MODE_FRONT_PANEL_OFF:
10510
10511 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
bac27bd9 10512 port);
7f02c4ad
YR
10513
10514 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10515 SHARED_HW_CFG_LED_EXTPHY1) {
10516
10517 /* Set LED masks */
10518 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10519 MDIO_PMA_DEVAD,
10520 MDIO_PMA_REG_8481_LED1_MASK,
10521 0x0);
7f02c4ad
YR
10522
10523 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10524 MDIO_PMA_DEVAD,
10525 MDIO_PMA_REG_8481_LED2_MASK,
10526 0x0);
7f02c4ad
YR
10527
10528 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10529 MDIO_PMA_DEVAD,
10530 MDIO_PMA_REG_8481_LED3_MASK,
10531 0x0);
7f02c4ad
YR
10532
10533 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10534 MDIO_PMA_DEVAD,
10535 MDIO_PMA_REG_8481_LED5_MASK,
10536 0x20);
7f02c4ad
YR
10537
10538 } else {
10539 bnx2x_cl45_write(bp, phy,
10540 MDIO_PMA_DEVAD,
10541 MDIO_PMA_REG_8481_LED1_MASK,
10542 0x0);
10543 }
10544 break;
10545 case LED_MODE_ON:
10546
bac27bd9 10547 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
7f02c4ad
YR
10548
10549 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10550 SHARED_HW_CFG_LED_EXTPHY1) {
10551 /* Set control reg */
10552 bnx2x_cl45_read(bp, phy,
10553 MDIO_PMA_DEVAD,
10554 MDIO_PMA_REG_8481_LINK_SIGNAL,
10555 &val);
10556 val &= 0x8000;
10557 val |= 0x2492;
10558
10559 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10560 MDIO_PMA_DEVAD,
10561 MDIO_PMA_REG_8481_LINK_SIGNAL,
10562 val);
7f02c4ad
YR
10563
10564 /* Set LED masks */
10565 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10566 MDIO_PMA_DEVAD,
10567 MDIO_PMA_REG_8481_LED1_MASK,
10568 0x0);
7f02c4ad
YR
10569
10570 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10571 MDIO_PMA_DEVAD,
10572 MDIO_PMA_REG_8481_LED2_MASK,
10573 0x20);
7f02c4ad
YR
10574
10575 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10576 MDIO_PMA_DEVAD,
10577 MDIO_PMA_REG_8481_LED3_MASK,
10578 0x20);
7f02c4ad
YR
10579
10580 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10581 MDIO_PMA_DEVAD,
10582 MDIO_PMA_REG_8481_LED5_MASK,
10583 0x0);
7f02c4ad
YR
10584 } else {
10585 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10586 MDIO_PMA_DEVAD,
10587 MDIO_PMA_REG_8481_LED1_MASK,
10588 0x20);
7f02c4ad
YR
10589 }
10590 break;
10591
10592 case LED_MODE_OPER:
10593
bac27bd9 10594 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
7f02c4ad
YR
10595
10596 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10597 SHARED_HW_CFG_LED_EXTPHY1) {
10598
10599 /* Set control reg */
10600 bnx2x_cl45_read(bp, phy,
10601 MDIO_PMA_DEVAD,
10602 MDIO_PMA_REG_8481_LINK_SIGNAL,
10603 &val);
10604
10605 if (!((val &
cd88ccee
YR
10606 MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
10607 >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
2cf7acf9 10608 DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
7f02c4ad
YR
10609 bnx2x_cl45_write(bp, phy,
10610 MDIO_PMA_DEVAD,
10611 MDIO_PMA_REG_8481_LINK_SIGNAL,
10612 0xa492);
10613 }
10614
10615 /* Set LED masks */
10616 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10617 MDIO_PMA_DEVAD,
10618 MDIO_PMA_REG_8481_LED1_MASK,
10619 0x10);
7f02c4ad
YR
10620
10621 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10622 MDIO_PMA_DEVAD,
10623 MDIO_PMA_REG_8481_LED2_MASK,
10624 0x80);
7f02c4ad
YR
10625
10626 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10627 MDIO_PMA_DEVAD,
10628 MDIO_PMA_REG_8481_LED3_MASK,
10629 0x98);
7f02c4ad
YR
10630
10631 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
10632 MDIO_PMA_DEVAD,
10633 MDIO_PMA_REG_8481_LED5_MASK,
10634 0x40);
7f02c4ad
YR
10635
10636 } else {
10637 bnx2x_cl45_write(bp, phy,
10638 MDIO_PMA_DEVAD,
10639 MDIO_PMA_REG_8481_LED1_MASK,
10640 0x80);
53eda06d
YR
10641
10642 /* Tell LED3 to blink on source */
10643 bnx2x_cl45_read(bp, phy,
10644 MDIO_PMA_DEVAD,
10645 MDIO_PMA_REG_8481_LINK_SIGNAL,
10646 &val);
10647 val &= ~(7<<6);
10648 val |= (1<<6); /* A83B[8:6]= 1 */
10649 bnx2x_cl45_write(bp, phy,
10650 MDIO_PMA_DEVAD,
10651 MDIO_PMA_REG_8481_LINK_SIGNAL,
10652 val);
7f02c4ad
YR
10653 }
10654 break;
10655 }
0d40f0d4 10656
8f73f0b9 10657 /* This is a workaround for E3+84833 until autoneg
0d40f0d4
YR
10658 * restart is fixed in f/w
10659 */
10660 if (CHIP_IS_E3(bp)) {
10661 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
10662 MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
10663 }
7f02c4ad 10664}
0d40f0d4 10665
6583e33b 10666/******************************************************************/
52c4d6c4 10667/* 54618SE PHY SECTION */
6583e33b 10668/******************************************************************/
5c107fda
YR
10669static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
10670 struct link_params *params,
10671 u32 action)
10672{
10673 struct bnx2x *bp = params->bp;
10674 u16 temp;
10675 switch (action) {
10676 case PHY_INIT:
10677 /* Configure LED4: set to INTR (0x6). */
10678 /* Accessing shadow register 0xe. */
10679 bnx2x_cl22_write(bp, phy,
10680 MDIO_REG_GPHY_SHADOW,
10681 MDIO_REG_GPHY_SHADOW_LED_SEL2);
10682 bnx2x_cl22_read(bp, phy,
10683 MDIO_REG_GPHY_SHADOW,
10684 &temp);
10685 temp &= ~(0xf << 4);
10686 temp |= (0x6 << 4);
10687 bnx2x_cl22_write(bp, phy,
10688 MDIO_REG_GPHY_SHADOW,
10689 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10690 /* Configure INTR based on link status change. */
10691 bnx2x_cl22_write(bp, phy,
10692 MDIO_REG_INTR_MASK,
10693 ~MDIO_REG_INTR_MASK_LINK_STATUS);
10694 break;
10695 }
10696}
10697
52c4d6c4 10698static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
6583e33b
YR
10699 struct link_params *params,
10700 struct link_vars *vars)
10701{
10702 struct bnx2x *bp = params->bp;
10703 u8 port;
10704 u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
10705 u32 cfg_pin;
10706
52c4d6c4 10707 DP(NETIF_MSG_LINK, "54618SE cfg init\n");
d231023e 10708 usleep_range(1000, 2000);
6583e33b 10709
8f73f0b9 10710 /* This works with E3 only, no need to check the chip
2f751a80
YR
10711 * before determining the port.
10712 */
6583e33b
YR
10713 port = params->port;
10714
10715 cfg_pin = (REG_RD(bp, params->shmem_base +
10716 offsetof(struct shmem_region,
10717 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10718 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10719 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10720
10721 /* Drive pin high to bring the GPHY out of reset. */
10722 bnx2x_set_cfg_pin(bp, cfg_pin, 1);
10723
10724 /* wait for GPHY to reset */
10725 msleep(50);
10726
10727 /* reset phy */
10728 bnx2x_cl22_write(bp, phy,
10729 MDIO_PMA_REG_CTRL, 0x8000);
10730 bnx2x_wait_reset_complete(bp, phy, params);
10731
8f73f0b9 10732 /* Wait for GPHY to reset */
6583e33b
YR
10733 msleep(50);
10734
6583e33b 10735
5c107fda 10736 bnx2x_54618se_specific_func(phy, params, PHY_INIT);
6583e33b
YR
10737 /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
10738 bnx2x_cl22_write(bp, phy,
10739 MDIO_REG_GPHY_SHADOW,
10740 MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
10741 bnx2x_cl22_read(bp, phy,
10742 MDIO_REG_GPHY_SHADOW,
10743 &temp);
10744 temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
10745 bnx2x_cl22_write(bp, phy,
10746 MDIO_REG_GPHY_SHADOW,
10747 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10748
10749 /* Set up fc */
10750 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
10751 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
10752 fc_val = 0;
10753 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
10754 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
10755 fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
10756
10757 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
10758 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
10759 fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
10760
d231023e 10761 /* Read all advertisement */
6583e33b
YR
10762 bnx2x_cl22_read(bp, phy,
10763 0x09,
10764 &an_1000_val);
10765
10766 bnx2x_cl22_read(bp, phy,
10767 0x04,
10768 &an_10_100_val);
10769
10770 bnx2x_cl22_read(bp, phy,
10771 MDIO_PMA_REG_CTRL,
10772 &autoneg_val);
10773
10774 /* Disable forced speed */
10775 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
10776 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
10777 (1<<11));
10778
10779 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10780 (phy->speed_cap_mask &
10781 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
10782 (phy->req_line_speed == SPEED_1000)) {
10783 an_1000_val |= (1<<8);
10784 autoneg_val |= (1<<9 | 1<<12);
10785 if (phy->req_duplex == DUPLEX_FULL)
10786 an_1000_val |= (1<<9);
10787 DP(NETIF_MSG_LINK, "Advertising 1G\n");
10788 } else
10789 an_1000_val &= ~((1<<8) | (1<<9));
10790
10791 bnx2x_cl22_write(bp, phy,
10792 0x09,
10793 an_1000_val);
10794 bnx2x_cl22_read(bp, phy,
10795 0x09,
10796 &an_1000_val);
10797
d231023e 10798 /* Set 100 speed advertisement */
6583e33b
YR
10799 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10800 (phy->speed_cap_mask &
10801 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
10802 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
10803 an_10_100_val |= (1<<7);
10804 /* Enable autoneg and restart autoneg for legacy speeds */
10805 autoneg_val |= (1<<9 | 1<<12);
10806
10807 if (phy->req_duplex == DUPLEX_FULL)
10808 an_10_100_val |= (1<<8);
10809 DP(NETIF_MSG_LINK, "Advertising 100M\n");
10810 }
10811
d231023e 10812 /* Set 10 speed advertisement */
6583e33b
YR
10813 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10814 (phy->speed_cap_mask &
10815 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
10816 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
10817 an_10_100_val |= (1<<5);
10818 autoneg_val |= (1<<9 | 1<<12);
10819 if (phy->req_duplex == DUPLEX_FULL)
10820 an_10_100_val |= (1<<6);
10821 DP(NETIF_MSG_LINK, "Advertising 10M\n");
10822 }
10823
10824 /* Only 10/100 are allowed to work in FORCE mode */
10825 if (phy->req_line_speed == SPEED_100) {
10826 autoneg_val |= (1<<13);
10827 /* Enabled AUTO-MDIX when autoneg is disabled */
10828 bnx2x_cl22_write(bp, phy,
10829 0x18,
10830 (1<<15 | 1<<9 | 7<<0));
10831 DP(NETIF_MSG_LINK, "Setting 100M force\n");
10832 }
10833 if (phy->req_line_speed == SPEED_10) {
10834 /* Enabled AUTO-MDIX when autoneg is disabled */
10835 bnx2x_cl22_write(bp, phy,
10836 0x18,
10837 (1<<15 | 1<<9 | 7<<0));
10838 DP(NETIF_MSG_LINK, "Setting 10M force\n");
10839 }
10840
26964bb7
YM
10841 if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
10842 int rc;
10843
10844 bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
10845 MDIO_REG_GPHY_EXP_ACCESS_TOP |
10846 MDIO_REG_GPHY_EXP_TOP_2K_BUF);
10847 bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
10848 temp &= 0xfffe;
10849 bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
10850
10851 rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
10852 if (rc) {
10853 DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10854 bnx2x_eee_disable(phy, params, vars);
10855 } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
10856 (phy->req_duplex == DUPLEX_FULL) &&
10857 (bnx2x_eee_calc_timer(params) ||
10858 !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
10859 /* Need to advertise EEE only when requested,
10860 * and either no LPI assertion was requested,
10861 * or it was requested and a valid timer was set.
10862 * Also notice full duplex is required for EEE.
10863 */
10864 bnx2x_eee_advertise(phy, params, vars,
10865 SHMEM_EEE_1G_ADV);
a89a1d4a 10866 } else {
26964bb7
YM
10867 DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
10868 bnx2x_eee_disable(phy, params, vars);
10869 }
10870 } else {
10871 vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
10872 SHMEM_EEE_SUPPORTED_SHIFT;
10873
10874 if (phy->flags & FLAGS_EEE) {
10875 /* Handle legacy auto-grEEEn */
10876 if (params->feature_config_flags &
10877 FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
10878 temp = 6;
10879 DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
10880 } else {
10881 temp = 0;
10882 DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
10883 }
10884 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10885 MDIO_AN_REG_EEE_ADV, temp);
a89a1d4a 10886 }
a89a1d4a
YR
10887 }
10888
6583e33b
YR
10889 bnx2x_cl22_write(bp, phy,
10890 0x04,
10891 an_10_100_val | fc_val);
10892
10893 if (phy->req_duplex == DUPLEX_FULL)
10894 autoneg_val |= (1<<8);
10895
10896 bnx2x_cl22_write(bp, phy,
10897 MDIO_PMA_REG_CTRL, autoneg_val);
10898
10899 return 0;
10900}
10901
1d125bd5
YR
10902
10903static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
10904 struct link_params *params, u8 mode)
10905{
10906 struct bnx2x *bp = params->bp;
10907 u16 temp;
10908
10909 bnx2x_cl22_write(bp, phy,
10910 MDIO_REG_GPHY_SHADOW,
10911 MDIO_REG_GPHY_SHADOW_LED_SEL1);
10912 bnx2x_cl22_read(bp, phy,
10913 MDIO_REG_GPHY_SHADOW,
10914 &temp);
10915 temp &= 0xff00;
10916
10917 DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
10918 switch (mode) {
10919 case LED_MODE_FRONT_PANEL_OFF:
10920 case LED_MODE_OFF:
10921 temp |= 0x00ee;
10922 break;
10923 case LED_MODE_OPER:
10924 temp |= 0x0001;
10925 break;
10926 case LED_MODE_ON:
10927 temp |= 0x00ff;
10928 break;
10929 default:
10930 break;
10931 }
10932 bnx2x_cl22_write(bp, phy,
10933 MDIO_REG_GPHY_SHADOW,
10934 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10935 return;
10936}
10937
10938
52c4d6c4
YR
10939static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
10940 struct link_params *params)
6583e33b
YR
10941{
10942 struct bnx2x *bp = params->bp;
10943 u32 cfg_pin;
10944 u8 port;
10945
8f73f0b9 10946 /* In case of no EPIO routed to reset the GPHY, put it
d2059a06
YR
10947 * in low power mode.
10948 */
10949 bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
8f73f0b9 10950 /* This works with E3 only, no need to check the chip
d2059a06
YR
10951 * before determining the port.
10952 */
6583e33b
YR
10953 port = params->port;
10954 cfg_pin = (REG_RD(bp, params->shmem_base +
10955 offsetof(struct shmem_region,
10956 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10957 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10958 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10959
10960 /* Drive pin low to put GPHY in reset. */
10961 bnx2x_set_cfg_pin(bp, cfg_pin, 0);
10962}
10963
52c4d6c4
YR
10964static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
10965 struct link_params *params,
10966 struct link_vars *vars)
6583e33b
YR
10967{
10968 struct bnx2x *bp = params->bp;
10969 u16 val;
10970 u8 link_up = 0;
10971 u16 legacy_status, legacy_speed;
10972
10973 /* Get speed operation status */
10974 bnx2x_cl22_read(bp, phy,
a351d497 10975 MDIO_REG_GPHY_AUX_STATUS,
6583e33b 10976 &legacy_status);
52c4d6c4 10977 DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
6583e33b
YR
10978
10979 /* Read status to clear the PHY interrupt. */
10980 bnx2x_cl22_read(bp, phy,
10981 MDIO_REG_INTR_STATUS,
10982 &val);
10983
10984 link_up = ((legacy_status & (1<<2)) == (1<<2));
10985
10986 if (link_up) {
10987 legacy_speed = (legacy_status & (7<<8));
10988 if (legacy_speed == (7<<8)) {
10989 vars->line_speed = SPEED_1000;
10990 vars->duplex = DUPLEX_FULL;
10991 } else if (legacy_speed == (6<<8)) {
10992 vars->line_speed = SPEED_1000;
10993 vars->duplex = DUPLEX_HALF;
10994 } else if (legacy_speed == (5<<8)) {
10995 vars->line_speed = SPEED_100;
10996 vars->duplex = DUPLEX_FULL;
10997 }
10998 /* Omitting 100Base-T4 for now */
10999 else if (legacy_speed == (3<<8)) {
11000 vars->line_speed = SPEED_100;
11001 vars->duplex = DUPLEX_HALF;
11002 } else if (legacy_speed == (2<<8)) {
11003 vars->line_speed = SPEED_10;
11004 vars->duplex = DUPLEX_FULL;
11005 } else if (legacy_speed == (1<<8)) {
11006 vars->line_speed = SPEED_10;
11007 vars->duplex = DUPLEX_HALF;
11008 } else /* Should not happen */
11009 vars->line_speed = 0;
11010
94f05b0f
JP
11011 DP(NETIF_MSG_LINK,
11012 "Link is up in %dMbps, is_duplex_full= %d\n",
11013 vars->line_speed,
11014 (vars->duplex == DUPLEX_FULL));
6583e33b
YR
11015
11016 /* Check legacy speed AN resolution */
11017 bnx2x_cl22_read(bp, phy,
11018 0x01,
11019 &val);
11020 if (val & (1<<5))
11021 vars->link_status |=
11022 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
11023 bnx2x_cl22_read(bp, phy,
11024 0x06,
11025 &val);
11026 if ((val & (1<<0)) == 0)
11027 vars->link_status |=
11028 LINK_STATUS_PARALLEL_DETECTION_USED;
11029
52c4d6c4 11030 DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
6583e33b 11031 vars->line_speed);
52c4d6c4 11032
6583e33b 11033 bnx2x_ext_phy_resolve_fc(phy, params, vars);
9e7e8399
MY
11034
11035 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
8f73f0b9 11036 /* Report LP advertised speeds */
9e7e8399
MY
11037 bnx2x_cl22_read(bp, phy, 0x5, &val);
11038
11039 if (val & (1<<5))
11040 vars->link_status |=
11041 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
11042 if (val & (1<<6))
11043 vars->link_status |=
11044 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
11045 if (val & (1<<7))
11046 vars->link_status |=
11047 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
11048 if (val & (1<<8))
11049 vars->link_status |=
11050 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
11051 if (val & (1<<9))
11052 vars->link_status |=
11053 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
11054
11055 bnx2x_cl22_read(bp, phy, 0xa, &val);
11056 if (val & (1<<10))
11057 vars->link_status |=
11058 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
11059 if (val & (1<<11))
11060 vars->link_status |=
11061 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
26964bb7
YM
11062
11063 if ((phy->flags & FLAGS_EEE) &&
11064 bnx2x_eee_has_cap(params))
11065 bnx2x_eee_an_resolve(phy, params, vars);
9e7e8399 11066 }
6583e33b
YR
11067 }
11068 return link_up;
11069}
11070
52c4d6c4
YR
11071static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
11072 struct link_params *params)
6583e33b
YR
11073{
11074 struct bnx2x *bp = params->bp;
11075 u16 val;
11076 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
11077
52c4d6c4 11078 DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
6583e33b
YR
11079
11080 /* Enable master/slave manual mmode and set to master */
11081 /* mii write 9 [bits set 11 12] */
11082 bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
11083
11084 /* forced 1G and disable autoneg */
11085 /* set val [mii read 0] */
11086 /* set val [expr $val & [bits clear 6 12 13]] */
11087 /* set val [expr $val | [bits set 6 8]] */
11088 /* mii write 0 $val */
11089 bnx2x_cl22_read(bp, phy, 0x00, &val);
11090 val &= ~((1<<6) | (1<<12) | (1<<13));
11091 val |= (1<<6) | (1<<8);
11092 bnx2x_cl22_write(bp, phy, 0x00, val);
11093
11094 /* Set external loopback and Tx using 6dB coding */
11095 /* mii write 0x18 7 */
11096 /* set val [mii read 0x18] */
11097 /* mii write 0x18 [expr $val | [bits set 10 15]] */
11098 bnx2x_cl22_write(bp, phy, 0x18, 7);
11099 bnx2x_cl22_read(bp, phy, 0x18, &val);
11100 bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
11101
11102 /* This register opens the gate for the UMAC despite its name */
11103 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
11104
8f73f0b9 11105 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
6583e33b
YR
11106 * length used by the MAC receive logic to check frames.
11107 */
11108 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
11109}
11110
de6eae1f
YR
11111/******************************************************************/
11112/* SFX7101 PHY SECTION */
11113/******************************************************************/
11114static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
11115 struct link_params *params)
b7737c9b
YR
11116{
11117 struct bnx2x *bp = params->bp;
de6eae1f
YR
11118 /* SFX7101_XGXS_TEST1 */
11119 bnx2x_cl45_write(bp, phy,
11120 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
589abe3a
EG
11121}
11122
fcf5b650
YR
11123static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
11124 struct link_params *params,
11125 struct link_vars *vars)
ea4e040a 11126{
de6eae1f 11127 u16 fw_ver1, fw_ver2, val;
ea4e040a 11128 struct bnx2x *bp = params->bp;
de6eae1f 11129 DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
ea4e040a 11130
de6eae1f
YR
11131 /* Restore normal power mode*/
11132 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
cd88ccee 11133 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
de6eae1f
YR
11134 /* HW reset */
11135 bnx2x_ext_phy_hw_reset(bp, params->port);
6d870c39 11136 bnx2x_wait_reset_complete(bp, phy, params);
ea4e040a 11137
de6eae1f 11138 bnx2x_cl45_write(bp, phy,
60d2fe03 11139 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
de6eae1f
YR
11140 DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
11141 bnx2x_cl45_write(bp, phy,
11142 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
ea4e040a 11143
de6eae1f
YR
11144 bnx2x_ext_phy_set_pause(params, phy, vars);
11145 /* Restart autoneg */
11146 bnx2x_cl45_read(bp, phy,
11147 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
11148 val |= 0x200;
11149 bnx2x_cl45_write(bp, phy,
11150 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
ea4e040a 11151
de6eae1f
YR
11152 /* Save spirom version */
11153 bnx2x_cl45_read(bp, phy,
11154 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
ea4e040a 11155
de6eae1f
YR
11156 bnx2x_cl45_read(bp, phy,
11157 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
11158 bnx2x_save_spirom_version(bp, params->port,
11159 (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
11160 return 0;
11161}
ea4e040a 11162
de6eae1f
YR
11163static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
11164 struct link_params *params,
11165 struct link_vars *vars)
57963ed9
YR
11166{
11167 struct bnx2x *bp = params->bp;
de6eae1f
YR
11168 u8 link_up;
11169 u16 val1, val2;
11170 bnx2x_cl45_read(bp, phy,
60d2fe03 11171 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
de6eae1f 11172 bnx2x_cl45_read(bp, phy,
60d2fe03 11173 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
de6eae1f
YR
11174 DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
11175 val2, val1);
11176 bnx2x_cl45_read(bp, phy,
11177 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
11178 bnx2x_cl45_read(bp, phy,
11179 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
11180 DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
11181 val2, val1);
11182 link_up = ((val1 & 4) == 4);
d231023e 11183 /* If link is up print the AN outcome of the SFX7101 PHY */
de6eae1f
YR
11184 if (link_up) {
11185 bnx2x_cl45_read(bp, phy,
11186 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
11187 &val2);
11188 vars->line_speed = SPEED_10000;
791f18c0 11189 vars->duplex = DUPLEX_FULL;
de6eae1f
YR
11190 DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
11191 val2, (val2 & (1<<14)));
11192 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
11193 bnx2x_ext_phy_resolve_fc(phy, params, vars);
9e7e8399 11194
d231023e 11195 /* Read LP advertised speeds */
9e7e8399
MY
11196 if (val2 & (1<<11))
11197 vars->link_status |=
11198 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
de6eae1f
YR
11199 }
11200 return link_up;
11201}
6c55c3cd 11202
fcf5b650 11203static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
de6eae1f
YR
11204{
11205 if (*len < 5)
11206 return -EINVAL;
11207 str[0] = (spirom_ver & 0xFF);
11208 str[1] = (spirom_ver & 0xFF00) >> 8;
11209 str[2] = (spirom_ver & 0xFF0000) >> 16;
11210 str[3] = (spirom_ver & 0xFF000000) >> 24;
11211 str[4] = '\0';
11212 *len -= 5;
57963ed9
YR
11213 return 0;
11214}
11215
de6eae1f 11216void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
57963ed9 11217{
de6eae1f 11218 u16 val, cnt;
7aa0711f 11219
de6eae1f 11220 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
11221 MDIO_PMA_DEVAD,
11222 MDIO_PMA_REG_7101_RESET, &val);
57963ed9 11223
de6eae1f
YR
11224 for (cnt = 0; cnt < 10; cnt++) {
11225 msleep(50);
11226 /* Writes a self-clearing reset */
11227 bnx2x_cl45_write(bp, phy,
cd88ccee
YR
11228 MDIO_PMA_DEVAD,
11229 MDIO_PMA_REG_7101_RESET,
11230 (val | (1<<15)));
de6eae1f
YR
11231 /* Wait for clear */
11232 bnx2x_cl45_read(bp, phy,
cd88ccee
YR
11233 MDIO_PMA_DEVAD,
11234 MDIO_PMA_REG_7101_RESET, &val);
0c786f02 11235
de6eae1f
YR
11236 if ((val & (1<<15)) == 0)
11237 break;
57963ed9 11238 }
57963ed9 11239}
ea4e040a 11240
de6eae1f
YR
11241static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
11242 struct link_params *params) {
11243 /* Low power mode is controlled by GPIO 2 */
11244 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
cd88ccee 11245 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
de6eae1f
YR
11246 /* The PHY reset is controlled by GPIO 1 */
11247 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
cd88ccee 11248 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
de6eae1f 11249}
ea4e040a 11250
7f02c4ad
YR
11251static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
11252 struct link_params *params, u8 mode)
11253{
11254 u16 val = 0;
11255 struct bnx2x *bp = params->bp;
11256 switch (mode) {
11257 case LED_MODE_FRONT_PANEL_OFF:
11258 case LED_MODE_OFF:
11259 val = 2;
11260 break;
11261 case LED_MODE_ON:
11262 val = 1;
11263 break;
11264 case LED_MODE_OPER:
11265 val = 0;
11266 break;
11267 }
11268 bnx2x_cl45_write(bp, phy,
11269 MDIO_PMA_DEVAD,
11270 MDIO_PMA_REG_7107_LINK_LED_CNTL,
11271 val);
11272}
11273
de6eae1f
YR
11274/******************************************************************/
11275/* STATIC PHY DECLARATION */
11276/******************************************************************/
ea4e040a 11277
de6eae1f
YR
11278static struct bnx2x_phy phy_null = {
11279 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
11280 .addr = 0,
de6eae1f 11281 .def_md_devad = 0,
9045f6b4 11282 .flags = FLAGS_INIT_XGXS_FIRST,
de6eae1f
YR
11283 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11284 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11285 .mdio_ctrl = 0,
11286 .supported = 0,
11287 .media_type = ETH_PHY_NOT_PRESENT,
11288 .ver_addr = 0,
cd88ccee
YR
11289 .req_flow_ctrl = 0,
11290 .req_line_speed = 0,
11291 .speed_cap_mask = 0,
de6eae1f
YR
11292 .req_duplex = 0,
11293 .rsrv = 0,
11294 .config_init = (config_init_t)NULL,
11295 .read_status = (read_status_t)NULL,
11296 .link_reset = (link_reset_t)NULL,
11297 .config_loopback = (config_loopback_t)NULL,
11298 .format_fw_ver = (format_fw_ver_t)NULL,
11299 .hw_reset = (hw_reset_t)NULL,
a22f0788
YR
11300 .set_link_led = (set_link_led_t)NULL,
11301 .phy_specific_func = (phy_specific_func_t)NULL
de6eae1f 11302};
ea4e040a 11303
de6eae1f
YR
11304static struct bnx2x_phy phy_serdes = {
11305 .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
11306 .addr = 0xff,
de6eae1f 11307 .def_md_devad = 0,
9045f6b4 11308 .flags = 0,
de6eae1f
YR
11309 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11310 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11311 .mdio_ctrl = 0,
11312 .supported = (SUPPORTED_10baseT_Half |
11313 SUPPORTED_10baseT_Full |
11314 SUPPORTED_100baseT_Half |
11315 SUPPORTED_100baseT_Full |
11316 SUPPORTED_1000baseT_Full |
11317 SUPPORTED_2500baseX_Full |
11318 SUPPORTED_TP |
11319 SUPPORTED_Autoneg |
11320 SUPPORTED_Pause |
11321 SUPPORTED_Asym_Pause),
1ac9e428 11322 .media_type = ETH_PHY_BASE_T,
de6eae1f
YR
11323 .ver_addr = 0,
11324 .req_flow_ctrl = 0,
cd88ccee
YR
11325 .req_line_speed = 0,
11326 .speed_cap_mask = 0,
de6eae1f
YR
11327 .req_duplex = 0,
11328 .rsrv = 0,
ec146a6f 11329 .config_init = (config_init_t)bnx2x_xgxs_config_init,
de6eae1f
YR
11330 .read_status = (read_status_t)bnx2x_link_settings_status,
11331 .link_reset = (link_reset_t)bnx2x_int_link_reset,
11332 .config_loopback = (config_loopback_t)NULL,
11333 .format_fw_ver = (format_fw_ver_t)NULL,
11334 .hw_reset = (hw_reset_t)NULL,
a22f0788
YR
11335 .set_link_led = (set_link_led_t)NULL,
11336 .phy_specific_func = (phy_specific_func_t)NULL
de6eae1f 11337};
b7737c9b
YR
11338
11339static struct bnx2x_phy phy_xgxs = {
11340 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11341 .addr = 0xff,
b7737c9b 11342 .def_md_devad = 0,
9045f6b4 11343 .flags = 0,
b7737c9b
YR
11344 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11345 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11346 .mdio_ctrl = 0,
11347 .supported = (SUPPORTED_10baseT_Half |
11348 SUPPORTED_10baseT_Full |
11349 SUPPORTED_100baseT_Half |
11350 SUPPORTED_100baseT_Full |
11351 SUPPORTED_1000baseT_Full |
11352 SUPPORTED_2500baseX_Full |
11353 SUPPORTED_10000baseT_Full |
11354 SUPPORTED_FIBRE |
11355 SUPPORTED_Autoneg |
11356 SUPPORTED_Pause |
11357 SUPPORTED_Asym_Pause),
1ac9e428 11358 .media_type = ETH_PHY_CX4,
b7737c9b
YR
11359 .ver_addr = 0,
11360 .req_flow_ctrl = 0,
cd88ccee
YR
11361 .req_line_speed = 0,
11362 .speed_cap_mask = 0,
b7737c9b
YR
11363 .req_duplex = 0,
11364 .rsrv = 0,
ec146a6f 11365 .config_init = (config_init_t)bnx2x_xgxs_config_init,
b7737c9b
YR
11366 .read_status = (read_status_t)bnx2x_link_settings_status,
11367 .link_reset = (link_reset_t)bnx2x_int_link_reset,
11368 .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
11369 .format_fw_ver = (format_fw_ver_t)NULL,
11370 .hw_reset = (hw_reset_t)NULL,
a22f0788
YR
11371 .set_link_led = (set_link_led_t)NULL,
11372 .phy_specific_func = (phy_specific_func_t)NULL
b7737c9b 11373};
3c9ada22
YR
11374static struct bnx2x_phy phy_warpcore = {
11375 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11376 .addr = 0xff,
11377 .def_md_devad = 0,
55098c5c
YR
11378 .flags = (FLAGS_HW_LOCK_REQUIRED |
11379 FLAGS_TX_ERROR_CHECK),
3c9ada22
YR
11380 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11381 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11382 .mdio_ctrl = 0,
11383 .supported = (SUPPORTED_10baseT_Half |
8f73f0b9
YR
11384 SUPPORTED_10baseT_Full |
11385 SUPPORTED_100baseT_Half |
11386 SUPPORTED_100baseT_Full |
11387 SUPPORTED_1000baseT_Full |
11388 SUPPORTED_10000baseT_Full |
11389 SUPPORTED_20000baseKR2_Full |
11390 SUPPORTED_20000baseMLD2_Full |
11391 SUPPORTED_FIBRE |
11392 SUPPORTED_Autoneg |
11393 SUPPORTED_Pause |
11394 SUPPORTED_Asym_Pause),
3c9ada22
YR
11395 .media_type = ETH_PHY_UNSPECIFIED,
11396 .ver_addr = 0,
11397 .req_flow_ctrl = 0,
11398 .req_line_speed = 0,
11399 .speed_cap_mask = 0,
11400 /* req_duplex = */0,
11401 /* rsrv = */0,
11402 .config_init = (config_init_t)bnx2x_warpcore_config_init,
11403 .read_status = (read_status_t)bnx2x_warpcore_read_status,
11404 .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
11405 .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
11406 .format_fw_ver = (format_fw_ver_t)NULL,
985848f8 11407 .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
3c9ada22
YR
11408 .set_link_led = (set_link_led_t)NULL,
11409 .phy_specific_func = (phy_specific_func_t)NULL
11410};
11411
b7737c9b
YR
11412
11413static struct bnx2x_phy phy_7101 = {
11414 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
11415 .addr = 0xff,
b7737c9b 11416 .def_md_devad = 0,
9045f6b4 11417 .flags = FLAGS_FAN_FAILURE_DET_REQ,
b7737c9b
YR
11418 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11419 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11420 .mdio_ctrl = 0,
11421 .supported = (SUPPORTED_10000baseT_Full |
11422 SUPPORTED_TP |
11423 SUPPORTED_Autoneg |
11424 SUPPORTED_Pause |
11425 SUPPORTED_Asym_Pause),
11426 .media_type = ETH_PHY_BASE_T,
11427 .ver_addr = 0,
11428 .req_flow_ctrl = 0,
cd88ccee
YR
11429 .req_line_speed = 0,
11430 .speed_cap_mask = 0,
b7737c9b
YR
11431 .req_duplex = 0,
11432 .rsrv = 0,
11433 .config_init = (config_init_t)bnx2x_7101_config_init,
11434 .read_status = (read_status_t)bnx2x_7101_read_status,
11435 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11436 .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
11437 .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
11438 .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
7f02c4ad 11439 .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
a22f0788 11440 .phy_specific_func = (phy_specific_func_t)NULL
b7737c9b
YR
11441};
11442static struct bnx2x_phy phy_8073 = {
11443 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
11444 .addr = 0xff,
b7737c9b 11445 .def_md_devad = 0,
9045f6b4 11446 .flags = FLAGS_HW_LOCK_REQUIRED,
b7737c9b
YR
11447 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11448 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11449 .mdio_ctrl = 0,
11450 .supported = (SUPPORTED_10000baseT_Full |
11451 SUPPORTED_2500baseX_Full |
11452 SUPPORTED_1000baseT_Full |
11453 SUPPORTED_FIBRE |
11454 SUPPORTED_Autoneg |
11455 SUPPORTED_Pause |
11456 SUPPORTED_Asym_Pause),
1ac9e428 11457 .media_type = ETH_PHY_KR,
b7737c9b 11458 .ver_addr = 0,
cd88ccee
YR
11459 .req_flow_ctrl = 0,
11460 .req_line_speed = 0,
11461 .speed_cap_mask = 0,
b7737c9b
YR
11462 .req_duplex = 0,
11463 .rsrv = 0,
62b29a5d 11464 .config_init = (config_init_t)bnx2x_8073_config_init,
b7737c9b
YR
11465 .read_status = (read_status_t)bnx2x_8073_read_status,
11466 .link_reset = (link_reset_t)bnx2x_8073_link_reset,
11467 .config_loopback = (config_loopback_t)NULL,
11468 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11469 .hw_reset = (hw_reset_t)NULL,
a22f0788 11470 .set_link_led = (set_link_led_t)NULL,
5c107fda 11471 .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
b7737c9b
YR
11472};
11473static struct bnx2x_phy phy_8705 = {
11474 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
11475 .addr = 0xff,
b7737c9b 11476 .def_md_devad = 0,
9045f6b4 11477 .flags = FLAGS_INIT_XGXS_FIRST,
b7737c9b
YR
11478 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11479 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11480 .mdio_ctrl = 0,
11481 .supported = (SUPPORTED_10000baseT_Full |
11482 SUPPORTED_FIBRE |
11483 SUPPORTED_Pause |
11484 SUPPORTED_Asym_Pause),
11485 .media_type = ETH_PHY_XFP_FIBER,
11486 .ver_addr = 0,
11487 .req_flow_ctrl = 0,
11488 .req_line_speed = 0,
11489 .speed_cap_mask = 0,
11490 .req_duplex = 0,
11491 .rsrv = 0,
11492 .config_init = (config_init_t)bnx2x_8705_config_init,
11493 .read_status = (read_status_t)bnx2x_8705_read_status,
11494 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11495 .config_loopback = (config_loopback_t)NULL,
11496 .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
11497 .hw_reset = (hw_reset_t)NULL,
a22f0788
YR
11498 .set_link_led = (set_link_led_t)NULL,
11499 .phy_specific_func = (phy_specific_func_t)NULL
b7737c9b
YR
11500};
11501static struct bnx2x_phy phy_8706 = {
11502 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
11503 .addr = 0xff,
b7737c9b 11504 .def_md_devad = 0,
05822420 11505 .flags = FLAGS_INIT_XGXS_FIRST,
b7737c9b
YR
11506 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11507 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11508 .mdio_ctrl = 0,
11509 .supported = (SUPPORTED_10000baseT_Full |
11510 SUPPORTED_1000baseT_Full |
11511 SUPPORTED_FIBRE |
11512 SUPPORTED_Pause |
11513 SUPPORTED_Asym_Pause),
dbef807e 11514 .media_type = ETH_PHY_SFPP_10G_FIBER,
b7737c9b
YR
11515 .ver_addr = 0,
11516 .req_flow_ctrl = 0,
11517 .req_line_speed = 0,
11518 .speed_cap_mask = 0,
11519 .req_duplex = 0,
11520 .rsrv = 0,
11521 .config_init = (config_init_t)bnx2x_8706_config_init,
11522 .read_status = (read_status_t)bnx2x_8706_read_status,
11523 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11524 .config_loopback = (config_loopback_t)NULL,
11525 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11526 .hw_reset = (hw_reset_t)NULL,
a22f0788
YR
11527 .set_link_led = (set_link_led_t)NULL,
11528 .phy_specific_func = (phy_specific_func_t)NULL
b7737c9b
YR
11529};
11530
11531static struct bnx2x_phy phy_8726 = {
11532 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
11533 .addr = 0xff,
9045f6b4 11534 .def_md_devad = 0,
b7737c9b 11535 .flags = (FLAGS_HW_LOCK_REQUIRED |
55098c5c
YR
11536 FLAGS_INIT_XGXS_FIRST |
11537 FLAGS_TX_ERROR_CHECK),
b7737c9b
YR
11538 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11539 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11540 .mdio_ctrl = 0,
11541 .supported = (SUPPORTED_10000baseT_Full |
11542 SUPPORTED_1000baseT_Full |
11543 SUPPORTED_Autoneg |
11544 SUPPORTED_FIBRE |
11545 SUPPORTED_Pause |
11546 SUPPORTED_Asym_Pause),
1ac9e428 11547 .media_type = ETH_PHY_NOT_PRESENT,
b7737c9b
YR
11548 .ver_addr = 0,
11549 .req_flow_ctrl = 0,
11550 .req_line_speed = 0,
11551 .speed_cap_mask = 0,
11552 .req_duplex = 0,
11553 .rsrv = 0,
11554 .config_init = (config_init_t)bnx2x_8726_config_init,
11555 .read_status = (read_status_t)bnx2x_8726_read_status,
11556 .link_reset = (link_reset_t)bnx2x_8726_link_reset,
11557 .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
11558 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11559 .hw_reset = (hw_reset_t)NULL,
a22f0788
YR
11560 .set_link_led = (set_link_led_t)NULL,
11561 .phy_specific_func = (phy_specific_func_t)NULL
b7737c9b
YR
11562};
11563
11564static struct bnx2x_phy phy_8727 = {
11565 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
11566 .addr = 0xff,
b7737c9b 11567 .def_md_devad = 0,
55098c5c
YR
11568 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11569 FLAGS_TX_ERROR_CHECK),
b7737c9b
YR
11570 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11571 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11572 .mdio_ctrl = 0,
11573 .supported = (SUPPORTED_10000baseT_Full |
11574 SUPPORTED_1000baseT_Full |
b7737c9b
YR
11575 SUPPORTED_FIBRE |
11576 SUPPORTED_Pause |
11577 SUPPORTED_Asym_Pause),
1ac9e428 11578 .media_type = ETH_PHY_NOT_PRESENT,
b7737c9b
YR
11579 .ver_addr = 0,
11580 .req_flow_ctrl = 0,
11581 .req_line_speed = 0,
11582 .speed_cap_mask = 0,
11583 .req_duplex = 0,
11584 .rsrv = 0,
11585 .config_init = (config_init_t)bnx2x_8727_config_init,
11586 .read_status = (read_status_t)bnx2x_8727_read_status,
11587 .link_reset = (link_reset_t)bnx2x_8727_link_reset,
11588 .config_loopback = (config_loopback_t)NULL,
11589 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11590 .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
7f02c4ad 11591 .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
a22f0788 11592 .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
b7737c9b
YR
11593};
11594static struct bnx2x_phy phy_8481 = {
11595 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
11596 .addr = 0xff,
9045f6b4 11597 .def_md_devad = 0,
a22f0788
YR
11598 .flags = FLAGS_FAN_FAILURE_DET_REQ |
11599 FLAGS_REARM_LATCH_SIGNAL,
b7737c9b
YR
11600 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11601 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11602 .mdio_ctrl = 0,
11603 .supported = (SUPPORTED_10baseT_Half |
11604 SUPPORTED_10baseT_Full |
11605 SUPPORTED_100baseT_Half |
11606 SUPPORTED_100baseT_Full |
11607 SUPPORTED_1000baseT_Full |
11608 SUPPORTED_10000baseT_Full |
11609 SUPPORTED_TP |
11610 SUPPORTED_Autoneg |
11611 SUPPORTED_Pause |
11612 SUPPORTED_Asym_Pause),
11613 .media_type = ETH_PHY_BASE_T,
11614 .ver_addr = 0,
11615 .req_flow_ctrl = 0,
11616 .req_line_speed = 0,
11617 .speed_cap_mask = 0,
11618 .req_duplex = 0,
11619 .rsrv = 0,
11620 .config_init = (config_init_t)bnx2x_8481_config_init,
11621 .read_status = (read_status_t)bnx2x_848xx_read_status,
11622 .link_reset = (link_reset_t)bnx2x_8481_link_reset,
11623 .config_loopback = (config_loopback_t)NULL,
11624 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11625 .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
7f02c4ad 11626 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
a22f0788 11627 .phy_specific_func = (phy_specific_func_t)NULL
b7737c9b
YR
11628};
11629
de6eae1f
YR
11630static struct bnx2x_phy phy_84823 = {
11631 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
11632 .addr = 0xff,
9045f6b4 11633 .def_md_devad = 0,
55098c5c
YR
11634 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11635 FLAGS_REARM_LATCH_SIGNAL |
11636 FLAGS_TX_ERROR_CHECK),
de6eae1f
YR
11637 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11638 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11639 .mdio_ctrl = 0,
11640 .supported = (SUPPORTED_10baseT_Half |
11641 SUPPORTED_10baseT_Full |
11642 SUPPORTED_100baseT_Half |
11643 SUPPORTED_100baseT_Full |
11644 SUPPORTED_1000baseT_Full |
11645 SUPPORTED_10000baseT_Full |
11646 SUPPORTED_TP |
11647 SUPPORTED_Autoneg |
11648 SUPPORTED_Pause |
11649 SUPPORTED_Asym_Pause),
11650 .media_type = ETH_PHY_BASE_T,
11651 .ver_addr = 0,
11652 .req_flow_ctrl = 0,
11653 .req_line_speed = 0,
11654 .speed_cap_mask = 0,
11655 .req_duplex = 0,
11656 .rsrv = 0,
11657 .config_init = (config_init_t)bnx2x_848x3_config_init,
11658 .read_status = (read_status_t)bnx2x_848xx_read_status,
11659 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11660 .config_loopback = (config_loopback_t)NULL,
11661 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11662 .hw_reset = (hw_reset_t)NULL,
7f02c4ad 11663 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
5c107fda 11664 .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
de6eae1f
YR
11665};
11666
c87bca1e
YR
11667static struct bnx2x_phy phy_84833 = {
11668 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
11669 .addr = 0xff,
9045f6b4 11670 .def_md_devad = 0,
55098c5c
YR
11671 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11672 FLAGS_REARM_LATCH_SIGNAL |
f6b6eb69 11673 FLAGS_TX_ERROR_CHECK),
c87bca1e
YR
11674 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11675 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11676 .mdio_ctrl = 0,
0520e63a 11677 .supported = (SUPPORTED_100baseT_Half |
c87bca1e
YR
11678 SUPPORTED_100baseT_Full |
11679 SUPPORTED_1000baseT_Full |
11680 SUPPORTED_10000baseT_Full |
11681 SUPPORTED_TP |
11682 SUPPORTED_Autoneg |
11683 SUPPORTED_Pause |
11684 SUPPORTED_Asym_Pause),
11685 .media_type = ETH_PHY_BASE_T,
11686 .ver_addr = 0,
11687 .req_flow_ctrl = 0,
11688 .req_line_speed = 0,
11689 .speed_cap_mask = 0,
11690 .req_duplex = 0,
11691 .rsrv = 0,
11692 .config_init = (config_init_t)bnx2x_848x3_config_init,
11693 .read_status = (read_status_t)bnx2x_848xx_read_status,
11694 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11695 .config_loopback = (config_loopback_t)NULL,
11696 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
985848f8 11697 .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
c87bca1e 11698 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
5c107fda 11699 .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
c87bca1e
YR
11700};
11701
52c4d6c4
YR
11702static struct bnx2x_phy phy_54618se = {
11703 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
6583e33b
YR
11704 .addr = 0xff,
11705 .def_md_devad = 0,
11706 .flags = FLAGS_INIT_XGXS_FIRST,
11707 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11708 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11709 .mdio_ctrl = 0,
11710 .supported = (SUPPORTED_10baseT_Half |
11711 SUPPORTED_10baseT_Full |
11712 SUPPORTED_100baseT_Half |
11713 SUPPORTED_100baseT_Full |
11714 SUPPORTED_1000baseT_Full |
11715 SUPPORTED_TP |
11716 SUPPORTED_Autoneg |
11717 SUPPORTED_Pause |
11718 SUPPORTED_Asym_Pause),
11719 .media_type = ETH_PHY_BASE_T,
11720 .ver_addr = 0,
11721 .req_flow_ctrl = 0,
11722 .req_line_speed = 0,
11723 .speed_cap_mask = 0,
11724 /* req_duplex = */0,
11725 /* rsrv = */0,
52c4d6c4
YR
11726 .config_init = (config_init_t)bnx2x_54618se_config_init,
11727 .read_status = (read_status_t)bnx2x_54618se_read_status,
11728 .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
11729 .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
6583e33b
YR
11730 .format_fw_ver = (format_fw_ver_t)NULL,
11731 .hw_reset = (hw_reset_t)NULL,
1d125bd5 11732 .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
5c107fda 11733 .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
6583e33b 11734};
de6eae1f
YR
11735/*****************************************************************/
11736/* */
11737/* Populate the phy according. Main function: bnx2x_populate_phy */
11738/* */
11739/*****************************************************************/
11740
11741static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
11742 struct bnx2x_phy *phy, u8 port,
11743 u8 phy_index)
11744{
11745 /* Get the 4 lanes xgxs config rx and tx */
11746 u32 rx = 0, tx = 0, i;
11747 for (i = 0; i < 2; i++) {
8f73f0b9
YR
11748 /* INT_PHY and EXT_PHY1 share the same value location in
11749 * the shmem. When num_phys is greater than 1, than this value
de6eae1f
YR
11750 * applies only to EXT_PHY1
11751 */
a22f0788
YR
11752 if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
11753 rx = REG_RD(bp, shmem_base +
11754 offsetof(struct shmem_region,
cd88ccee 11755 dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
a22f0788
YR
11756
11757 tx = REG_RD(bp, shmem_base +
11758 offsetof(struct shmem_region,
cd88ccee 11759 dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
a22f0788
YR
11760 } else {
11761 rx = REG_RD(bp, shmem_base +
11762 offsetof(struct shmem_region,
cd88ccee 11763 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
de6eae1f 11764
a22f0788
YR
11765 tx = REG_RD(bp, shmem_base +
11766 offsetof(struct shmem_region,
cd88ccee 11767 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
a22f0788 11768 }
de6eae1f
YR
11769
11770 phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
11771 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
11772
11773 phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
11774 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
11775 }
11776}
11777
11778static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
11779 u8 phy_index, u8 port)
11780{
11781 u32 ext_phy_config = 0;
11782 switch (phy_index) {
11783 case EXT_PHY1:
11784 ext_phy_config = REG_RD(bp, shmem_base +
11785 offsetof(struct shmem_region,
11786 dev_info.port_hw_config[port].external_phy_config));
11787 break;
a22f0788
YR
11788 case EXT_PHY2:
11789 ext_phy_config = REG_RD(bp, shmem_base +
11790 offsetof(struct shmem_region,
11791 dev_info.port_hw_config[port].external_phy_config2));
11792 break;
de6eae1f
YR
11793 default:
11794 DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
11795 return -EINVAL;
11796 }
11797
11798 return ext_phy_config;
11799}
fcf5b650
YR
11800static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
11801 struct bnx2x_phy *phy)
de6eae1f
YR
11802{
11803 u32 phy_addr;
11804 u32 chip_id;
11805 u32 switch_cfg = (REG_RD(bp, shmem_base +
11806 offsetof(struct shmem_region,
11807 dev_info.port_feature_config[port].link_config)) &
11808 PORT_FEATURE_CONNECTED_SWITCH_MASK);
ec15b898
YR
11809 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
11810 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
11811
3c9ada22
YR
11812 DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
11813 if (USES_WARPCORE(bp)) {
11814 u32 serdes_net_if;
de6eae1f 11815 phy_addr = REG_RD(bp,
3c9ada22
YR
11816 MISC_REG_WC0_CTRL_PHY_ADDR);
11817 *phy = phy_warpcore;
11818 if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
11819 phy->flags |= FLAGS_4_PORT_MODE;
11820 else
11821 phy->flags &= ~FLAGS_4_PORT_MODE;
11822 /* Check Dual mode */
11823 serdes_net_if = (REG_RD(bp, shmem_base +
11824 offsetof(struct shmem_region, dev_info.
11825 port_hw_config[port].default_cfg)) &
11826 PORT_HW_CFG_NET_SERDES_IF_MASK);
8f73f0b9 11827 /* Set the appropriate supported and flags indications per
3c9ada22
YR
11828 * interface type of the chip
11829 */
11830 switch (serdes_net_if) {
11831 case PORT_HW_CFG_NET_SERDES_IF_SGMII:
11832 phy->supported &= (SUPPORTED_10baseT_Half |
11833 SUPPORTED_10baseT_Full |
11834 SUPPORTED_100baseT_Half |
11835 SUPPORTED_100baseT_Full |
11836 SUPPORTED_1000baseT_Full |
11837 SUPPORTED_FIBRE |
11838 SUPPORTED_Autoneg |
11839 SUPPORTED_Pause |
11840 SUPPORTED_Asym_Pause);
11841 phy->media_type = ETH_PHY_BASE_T;
11842 break;
11843 case PORT_HW_CFG_NET_SERDES_IF_XFI:
11844 phy->media_type = ETH_PHY_XFP_FIBER;
11845 break;
11846 case PORT_HW_CFG_NET_SERDES_IF_SFI:
11847 phy->supported &= (SUPPORTED_1000baseT_Full |
11848 SUPPORTED_10000baseT_Full |
11849 SUPPORTED_FIBRE |
11850 SUPPORTED_Pause |
11851 SUPPORTED_Asym_Pause);
dbef807e 11852 phy->media_type = ETH_PHY_SFPP_10G_FIBER;
3c9ada22
YR
11853 break;
11854 case PORT_HW_CFG_NET_SERDES_IF_KR:
11855 phy->media_type = ETH_PHY_KR;
11856 phy->supported &= (SUPPORTED_1000baseT_Full |
11857 SUPPORTED_10000baseT_Full |
11858 SUPPORTED_FIBRE |
11859 SUPPORTED_Autoneg |
11860 SUPPORTED_Pause |
11861 SUPPORTED_Asym_Pause);
11862 break;
11863 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
11864 phy->media_type = ETH_PHY_KR;
11865 phy->flags |= FLAGS_WC_DUAL_MODE;
11866 phy->supported &= (SUPPORTED_20000baseMLD2_Full |
11867 SUPPORTED_FIBRE |
11868 SUPPORTED_Pause |
11869 SUPPORTED_Asym_Pause);
11870 break;
11871 case PORT_HW_CFG_NET_SERDES_IF_KR2:
11872 phy->media_type = ETH_PHY_KR;
11873 phy->flags |= FLAGS_WC_DUAL_MODE;
11874 phy->supported &= (SUPPORTED_20000baseKR2_Full |
11875 SUPPORTED_FIBRE |
11876 SUPPORTED_Pause |
11877 SUPPORTED_Asym_Pause);
11878 break;
11879 default:
11880 DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
11881 serdes_net_if);
11882 break;
11883 }
11884
8f73f0b9 11885 /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
3c9ada22
YR
11886 * was not set as expected. For B0, ECO will be enabled so there
11887 * won't be an issue there
11888 */
11889 if (CHIP_REV(bp) == CHIP_REV_Ax)
11890 phy->flags |= FLAGS_MDC_MDIO_WA;
157fa283
YR
11891 else
11892 phy->flags |= FLAGS_MDC_MDIO_WA_B0;
3c9ada22
YR
11893 } else {
11894 switch (switch_cfg) {
11895 case SWITCH_CFG_1G:
11896 phy_addr = REG_RD(bp,
11897 NIG_REG_SERDES0_CTRL_PHY_ADDR +
11898 port * 0x10);
11899 *phy = phy_serdes;
11900 break;
11901 case SWITCH_CFG_10G:
11902 phy_addr = REG_RD(bp,
11903 NIG_REG_XGXS0_CTRL_PHY_ADDR +
11904 port * 0x18);
11905 *phy = phy_xgxs;
11906 break;
11907 default:
11908 DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
11909 return -EINVAL;
11910 }
de6eae1f
YR
11911 }
11912 phy->addr = (u8)phy_addr;
11913 phy->mdio_ctrl = bnx2x_get_emac_base(bp,
11914 SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
11915 port);
f2e0899f
DK
11916 if (CHIP_IS_E2(bp))
11917 phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
11918 else
11919 phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
de6eae1f
YR
11920
11921 DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
11922 port, phy->addr, phy->mdio_ctrl);
11923
11924 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
11925 return 0;
11926}
11927
fcf5b650
YR
11928static int bnx2x_populate_ext_phy(struct bnx2x *bp,
11929 u8 phy_index,
11930 u32 shmem_base,
11931 u32 shmem2_base,
11932 u8 port,
11933 struct bnx2x_phy *phy)
de6eae1f
YR
11934{
11935 u32 ext_phy_config, phy_type, config2;
11936 u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
11937 ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
11938 phy_index, port);
11939 phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
11940 /* Select the phy type */
11941 switch (phy_type) {
11942 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
11943 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
11944 *phy = phy_8073;
11945 break;
11946 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
11947 *phy = phy_8705;
11948 break;
11949 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
11950 *phy = phy_8706;
11951 break;
11952 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
11953 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
11954 *phy = phy_8726;
11955 break;
11956 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
11957 /* BCM8727_NOC => BCM8727 no over current */
11958 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
11959 *phy = phy_8727;
11960 phy->flags |= FLAGS_NOC;
11961 break;
e4d78f12 11962 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
de6eae1f
YR
11963 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
11964 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
11965 *phy = phy_8727;
11966 break;
11967 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
11968 *phy = phy_8481;
11969 break;
11970 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
11971 *phy = phy_84823;
11972 break;
c87bca1e
YR
11973 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
11974 *phy = phy_84833;
11975 break;
3756a89f 11976 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
52c4d6c4
YR
11977 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
11978 *phy = phy_54618se;
26964bb7
YM
11979 if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
11980 phy->flags |= FLAGS_EEE;
6583e33b 11981 break;
de6eae1f
YR
11982 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
11983 *phy = phy_7101;
11984 break;
11985 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
11986 *phy = phy_null;
11987 return -EINVAL;
11988 default:
11989 *phy = phy_null;
6db5193b
YR
11990 /* In case external PHY wasn't found */
11991 if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
11992 (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
11993 return -EINVAL;
de6eae1f
YR
11994 return 0;
11995 }
11996
11997 phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
11998 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
11999
8f73f0b9 12000 /* The shmem address of the phy version is located on different
2cf7acf9
YR
12001 * structures. In case this structure is too old, do not set
12002 * the address
12003 */
de6eae1f
YR
12004 config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
12005 dev_info.shared_hw_config.config2));
a22f0788
YR
12006 if (phy_index == EXT_PHY1) {
12007 phy->ver_addr = shmem_base + offsetof(struct shmem_region,
12008 port_mb[port].ext_phy_fw_version);
de6eae1f 12009
cd88ccee
YR
12010 /* Check specific mdc mdio settings */
12011 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
12012 mdc_mdio_access = config2 &
12013 SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
a22f0788
YR
12014 } else {
12015 u32 size = REG_RD(bp, shmem2_base);
de6eae1f 12016
a22f0788
YR
12017 if (size >
12018 offsetof(struct shmem2_region, ext_phy_fw_version2)) {
12019 phy->ver_addr = shmem2_base +
12020 offsetof(struct shmem2_region,
12021 ext_phy_fw_version2[port]);
12022 }
12023 /* Check specific mdc mdio settings */
12024 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
12025 mdc_mdio_access = (config2 &
12026 SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
12027 (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
12028 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
12029 }
de6eae1f
YR
12030 phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
12031
75318327
YR
12032 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
12033 (phy->ver_addr)) {
8f73f0b9 12034 /* Remove 100Mb link supported for BCM84833 when phy fw
75318327
YR
12035 * version lower than or equal to 1.39
12036 */
12037 u32 raw_ver = REG_RD(bp, phy->ver_addr);
12038 if (((raw_ver & 0x7F) <= 39) &&
12039 (((raw_ver & 0xF80) >> 7) <= 1))
12040 phy->supported &= ~(SUPPORTED_100baseT_Half |
12041 SUPPORTED_100baseT_Full);
12042 }
12043
8f73f0b9 12044 /* In case mdc/mdio_access of the external phy is different than the
de6eae1f
YR
12045 * mdc/mdio access of the XGXS, a HW lock must be taken in each access
12046 * to prevent one port interfere with another port's CL45 operations.
12047 */
12048 if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
12049 phy->flags |= FLAGS_HW_LOCK_REQUIRED;
12050 DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
12051 phy_type, port, phy_index);
12052 DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
12053 phy->addr, phy->mdio_ctrl);
12054 return 0;
12055}
12056
fcf5b650
YR
12057static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
12058 u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
de6eae1f 12059{
fcf5b650 12060 int status = 0;
de6eae1f
YR
12061 phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
12062 if (phy_index == INT_PHY)
12063 return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
a22f0788 12064 status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
de6eae1f
YR
12065 port, phy);
12066 return status;
12067}
12068
12069static void bnx2x_phy_def_cfg(struct link_params *params,
12070 struct bnx2x_phy *phy,
a22f0788 12071 u8 phy_index)
de6eae1f
YR
12072{
12073 struct bnx2x *bp = params->bp;
12074 u32 link_config;
12075 /* Populate the default phy configuration for MF mode */
a22f0788
YR
12076 if (phy_index == EXT_PHY2) {
12077 link_config = REG_RD(bp, params->shmem_base +
cd88ccee 12078 offsetof(struct shmem_region, dev_info.
a22f0788
YR
12079 port_feature_config[params->port].link_config2));
12080 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
cd88ccee
YR
12081 offsetof(struct shmem_region,
12082 dev_info.
a22f0788
YR
12083 port_hw_config[params->port].speed_capability_mask2));
12084 } else {
12085 link_config = REG_RD(bp, params->shmem_base +
cd88ccee 12086 offsetof(struct shmem_region, dev_info.
a22f0788
YR
12087 port_feature_config[params->port].link_config));
12088 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
cd88ccee
YR
12089 offsetof(struct shmem_region,
12090 dev_info.
12091 port_hw_config[params->port].speed_capability_mask));
a22f0788 12092 }
94f05b0f
JP
12093 DP(NETIF_MSG_LINK,
12094 "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
12095 phy_index, link_config, phy->speed_cap_mask);
de6eae1f
YR
12096
12097 phy->req_duplex = DUPLEX_FULL;
12098 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
12099 case PORT_FEATURE_LINK_SPEED_10M_HALF:
12100 phy->req_duplex = DUPLEX_HALF;
12101 case PORT_FEATURE_LINK_SPEED_10M_FULL:
12102 phy->req_line_speed = SPEED_10;
12103 break;
12104 case PORT_FEATURE_LINK_SPEED_100M_HALF:
12105 phy->req_duplex = DUPLEX_HALF;
12106 case PORT_FEATURE_LINK_SPEED_100M_FULL:
12107 phy->req_line_speed = SPEED_100;
12108 break;
12109 case PORT_FEATURE_LINK_SPEED_1G:
12110 phy->req_line_speed = SPEED_1000;
12111 break;
12112 case PORT_FEATURE_LINK_SPEED_2_5G:
12113 phy->req_line_speed = SPEED_2500;
12114 break;
12115 case PORT_FEATURE_LINK_SPEED_10G_CX4:
12116 phy->req_line_speed = SPEED_10000;
12117 break;
12118 default:
12119 phy->req_line_speed = SPEED_AUTO_NEG;
12120 break;
12121 }
12122
12123 switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
12124 case PORT_FEATURE_FLOW_CONTROL_AUTO:
12125 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
12126 break;
12127 case PORT_FEATURE_FLOW_CONTROL_TX:
12128 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
12129 break;
12130 case PORT_FEATURE_FLOW_CONTROL_RX:
12131 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
12132 break;
12133 case PORT_FEATURE_FLOW_CONTROL_BOTH:
12134 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
12135 break;
12136 default:
12137 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12138 break;
12139 }
12140}
12141
a22f0788
YR
12142u32 bnx2x_phy_selection(struct link_params *params)
12143{
12144 u32 phy_config_swapped, prio_cfg;
12145 u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
12146
12147 phy_config_swapped = params->multi_phy_config &
12148 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12149
12150 prio_cfg = params->multi_phy_config &
12151 PORT_HW_CFG_PHY_SELECTION_MASK;
12152
12153 if (phy_config_swapped) {
12154 switch (prio_cfg) {
12155 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
12156 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
12157 break;
12158 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
12159 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
12160 break;
12161 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
12162 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
12163 break;
12164 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
12165 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
12166 break;
12167 }
12168 } else
12169 return_cfg = prio_cfg;
12170
12171 return return_cfg;
12172}
12173
12174
fcf5b650 12175int bnx2x_phy_probe(struct link_params *params)
de6eae1f 12176{
2f751a80 12177 u8 phy_index, actual_phy_idx;
1ac9e428 12178 u32 phy_config_swapped, sync_offset, media_types;
de6eae1f
YR
12179 struct bnx2x *bp = params->bp;
12180 struct bnx2x_phy *phy;
12181 params->num_phys = 0;
12182 DP(NETIF_MSG_LINK, "Begin phy probe\n");
a22f0788
YR
12183 phy_config_swapped = params->multi_phy_config &
12184 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
de6eae1f
YR
12185
12186 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12187 phy_index++) {
de6eae1f 12188 actual_phy_idx = phy_index;
a22f0788
YR
12189 if (phy_config_swapped) {
12190 if (phy_index == EXT_PHY1)
12191 actual_phy_idx = EXT_PHY2;
12192 else if (phy_index == EXT_PHY2)
12193 actual_phy_idx = EXT_PHY1;
12194 }
12195 DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
12196 " actual_phy_idx %x\n", phy_config_swapped,
12197 phy_index, actual_phy_idx);
de6eae1f
YR
12198 phy = &params->phy[actual_phy_idx];
12199 if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
a22f0788 12200 params->shmem2_base, params->port,
de6eae1f
YR
12201 phy) != 0) {
12202 params->num_phys = 0;
12203 DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
12204 phy_index);
12205 for (phy_index = INT_PHY;
12206 phy_index < MAX_PHYS;
12207 phy_index++)
12208 *phy = phy_null;
12209 return -EINVAL;
12210 }
12211 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
12212 break;
12213
55098c5c
YR
12214 if (params->feature_config_flags &
12215 FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
12216 phy->flags &= ~FLAGS_TX_ERROR_CHECK;
12217
1ac9e428
YR
12218 sync_offset = params->shmem_base +
12219 offsetof(struct shmem_region,
12220 dev_info.port_hw_config[params->port].media_type);
12221 media_types = REG_RD(bp, sync_offset);
12222
8f73f0b9 12223 /* Update media type for non-PMF sync only for the first time
1ac9e428
YR
12224 * In case the media type changes afterwards, it will be updated
12225 * using the update_status function
12226 */
12227 if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
12228 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12229 actual_phy_idx))) == 0) {
12230 media_types |= ((phy->media_type &
12231 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
12232 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12233 actual_phy_idx));
12234 }
12235 REG_WR(bp, sync_offset, media_types);
12236
a22f0788 12237 bnx2x_phy_def_cfg(params, phy, phy_index);
de6eae1f
YR
12238 params->num_phys++;
12239 }
12240
12241 DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
12242 return 0;
12243}
12244
9045f6b4
YR
12245void bnx2x_init_bmac_loopback(struct link_params *params,
12246 struct link_vars *vars)
de6eae1f
YR
12247{
12248 struct bnx2x *bp = params->bp;
de6eae1f
YR
12249 vars->link_up = 1;
12250 vars->line_speed = SPEED_10000;
12251 vars->duplex = DUPLEX_FULL;
12252 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12253 vars->mac_type = MAC_TYPE_BMAC;
b7737c9b 12254
de6eae1f 12255 vars->phy_flags = PHY_XGXS_FLAG;
b7737c9b 12256
de6eae1f 12257 bnx2x_xgxs_deassert(params);
b7737c9b 12258
de6eae1f
YR
12259 /* set bmac loopback */
12260 bnx2x_bmac_enable(params, vars, 1);
b7737c9b 12261
cd88ccee 12262 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
9045f6b4 12263}
b7737c9b 12264
9045f6b4
YR
12265void bnx2x_init_emac_loopback(struct link_params *params,
12266 struct link_vars *vars)
12267{
12268 struct bnx2x *bp = params->bp;
de6eae1f
YR
12269 vars->link_up = 1;
12270 vars->line_speed = SPEED_1000;
12271 vars->duplex = DUPLEX_FULL;
12272 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12273 vars->mac_type = MAC_TYPE_EMAC;
b7737c9b 12274
de6eae1f 12275 vars->phy_flags = PHY_XGXS_FLAG;
e10bc84d 12276
de6eae1f
YR
12277 bnx2x_xgxs_deassert(params);
12278 /* set bmac loopback */
12279 bnx2x_emac_enable(params, vars, 1);
12280 bnx2x_emac_program(params, vars);
cd88ccee 12281 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
9045f6b4 12282}
b7737c9b 12283
9380bb9e
YR
12284void bnx2x_init_xmac_loopback(struct link_params *params,
12285 struct link_vars *vars)
12286{
12287 struct bnx2x *bp = params->bp;
12288 vars->link_up = 1;
12289 if (!params->req_line_speed[0])
12290 vars->line_speed = SPEED_10000;
12291 else
12292 vars->line_speed = params->req_line_speed[0];
12293 vars->duplex = DUPLEX_FULL;
12294 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12295 vars->mac_type = MAC_TYPE_XMAC;
12296 vars->phy_flags = PHY_XGXS_FLAG;
8f73f0b9 12297 /* Set WC to loopback mode since link is required to provide clock
9380bb9e
YR
12298 * to the XMAC in 20G mode
12299 */
afad009a
YR
12300 bnx2x_set_aer_mmd(params, &params->phy[0]);
12301 bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
12302 params->phy[INT_PHY].config_loopback(
3c9ada22
YR
12303 &params->phy[INT_PHY],
12304 params);
afad009a 12305
9380bb9e
YR
12306 bnx2x_xmac_enable(params, vars, 1);
12307 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12308}
12309
12310void bnx2x_init_umac_loopback(struct link_params *params,
12311 struct link_vars *vars)
12312{
12313 struct bnx2x *bp = params->bp;
12314 vars->link_up = 1;
12315 vars->line_speed = SPEED_1000;
12316 vars->duplex = DUPLEX_FULL;
12317 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12318 vars->mac_type = MAC_TYPE_UMAC;
12319 vars->phy_flags = PHY_XGXS_FLAG;
12320 bnx2x_umac_enable(params, vars, 1);
12321
12322 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12323}
12324
9045f6b4
YR
12325void bnx2x_init_xgxs_loopback(struct link_params *params,
12326 struct link_vars *vars)
12327{
12328 struct bnx2x *bp = params->bp;
de6eae1f 12329 vars->link_up = 1;
de6eae1f 12330 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
a22f0788 12331 vars->duplex = DUPLEX_FULL;
9045f6b4 12332 if (params->req_line_speed[0] == SPEED_1000)
a22f0788 12333 vars->line_speed = SPEED_1000;
9045f6b4 12334 else
a22f0788 12335 vars->line_speed = SPEED_10000;
62b29a5d 12336
9380bb9e
YR
12337 if (!USES_WARPCORE(bp))
12338 bnx2x_xgxs_deassert(params);
9045f6b4
YR
12339 bnx2x_link_initialize(params, vars);
12340
12341 if (params->req_line_speed[0] == SPEED_1000) {
9380bb9e
YR
12342 if (USES_WARPCORE(bp))
12343 bnx2x_umac_enable(params, vars, 0);
12344 else {
12345 bnx2x_emac_program(params, vars);
12346 bnx2x_emac_enable(params, vars, 0);
12347 }
12348 } else {
12349 if (USES_WARPCORE(bp))
12350 bnx2x_xmac_enable(params, vars, 0);
12351 else
12352 bnx2x_bmac_enable(params, vars, 0);
12353 }
9045f6b4 12354
de6eae1f
YR
12355 if (params->loopback_mode == LOOPBACK_XGXS) {
12356 /* set 10G XGXS loopback */
12357 params->phy[INT_PHY].config_loopback(
12358 &params->phy[INT_PHY],
12359 params);
c18aa15d 12360
de6eae1f
YR
12361 } else {
12362 /* set external phy loopback */
12363 u8 phy_index;
12364 for (phy_index = EXT_PHY1;
12365 phy_index < params->num_phys; phy_index++) {
12366 if (params->phy[phy_index].config_loopback)
12367 params->phy[phy_index].config_loopback(
12368 &params->phy[phy_index],
12369 params);
12370 }
12371 }
cd88ccee 12372 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
de6eae1f 12373
9045f6b4
YR
12374 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
12375}
12376
12377int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
12378{
12379 struct bnx2x *bp = params->bp;
12380 DP(NETIF_MSG_LINK, "Phy Initialization started\n");
12381 DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
12382 params->req_line_speed[0], params->req_flow_ctrl[0]);
12383 DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
12384 params->req_line_speed[1], params->req_flow_ctrl[1]);
12385 vars->link_status = 0;
12386 vars->phy_link_up = 0;
12387 vars->link_up = 0;
12388 vars->line_speed = 0;
12389 vars->duplex = DUPLEX_FULL;
12390 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12391 vars->mac_type = MAC_TYPE_NONE;
12392 vars->phy_flags = 0;
12393
d231023e 12394 /* Disable attentions */
9045f6b4
YR
12395 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
12396 (NIG_MASK_XGXS0_LINK_STATUS |
12397 NIG_MASK_XGXS0_LINK10G |
12398 NIG_MASK_SERDES0_LINK_STATUS |
12399 NIG_MASK_MI_INT));
12400
12401 bnx2x_emac_init(params, vars);
12402
27d9129f
YR
12403 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
12404 vars->link_status |= LINK_STATUS_PFC_ENABLED;
12405
9045f6b4
YR
12406 if (params->num_phys == 0) {
12407 DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
12408 return -EINVAL;
12409 }
12410 set_phy_vars(params, vars);
12411
12412 DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
12413 switch (params->loopback_mode) {
12414 case LOOPBACK_BMAC:
12415 bnx2x_init_bmac_loopback(params, vars);
12416 break;
12417 case LOOPBACK_EMAC:
12418 bnx2x_init_emac_loopback(params, vars);
12419 break;
9380bb9e
YR
12420 case LOOPBACK_XMAC:
12421 bnx2x_init_xmac_loopback(params, vars);
12422 break;
12423 case LOOPBACK_UMAC:
12424 bnx2x_init_umac_loopback(params, vars);
12425 break;
9045f6b4
YR
12426 case LOOPBACK_XGXS:
12427 case LOOPBACK_EXT_PHY:
12428 bnx2x_init_xgxs_loopback(params, vars);
12429 break;
12430 default:
9380bb9e
YR
12431 if (!CHIP_IS_E3(bp)) {
12432 if (params->switch_cfg == SWITCH_CFG_10G)
12433 bnx2x_xgxs_deassert(params);
12434 else
12435 bnx2x_serdes_deassert(bp, params->port);
12436 }
de6eae1f
YR
12437 bnx2x_link_initialize(params, vars);
12438 msleep(30);
12439 bnx2x_link_int_enable(params);
9045f6b4 12440 break;
de6eae1f 12441 }
55098c5c 12442 bnx2x_update_mng(params, vars->link_status);
c8c60d88
YM
12443
12444 bnx2x_update_mng_eee(params, vars->eee_status);
e10bc84d
YR
12445 return 0;
12446}
fcf5b650
YR
12447
12448int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
12449 u8 reset_ext_phy)
b7737c9b
YR
12450{
12451 struct bnx2x *bp = params->bp;
cf1d972c 12452 u8 phy_index, port = params->port, clear_latch_ind = 0;
de6eae1f 12453 DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
d231023e 12454 /* Disable attentions */
de6eae1f
YR
12455 vars->link_status = 0;
12456 bnx2x_update_mng(params, vars->link_status);
c8c60d88
YM
12457 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
12458 SHMEM_EEE_ACTIVE_BIT);
12459 bnx2x_update_mng_eee(params, vars->eee_status);
de6eae1f 12460 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
cd88ccee
YR
12461 (NIG_MASK_XGXS0_LINK_STATUS |
12462 NIG_MASK_XGXS0_LINK10G |
12463 NIG_MASK_SERDES0_LINK_STATUS |
12464 NIG_MASK_MI_INT));
b7737c9b 12465
d231023e 12466 /* Activate nig drain */
de6eae1f 12467 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
b7737c9b 12468
d231023e 12469 /* Disable nig egress interface */
9380bb9e
YR
12470 if (!CHIP_IS_E3(bp)) {
12471 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
12472 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
12473 }
b7737c9b 12474
de6eae1f 12475 /* Stop BigMac rx */
9380bb9e
YR
12476 if (!CHIP_IS_E3(bp))
12477 bnx2x_bmac_rx_disable(bp, port);
ce7c0489 12478 else {
9380bb9e 12479 bnx2x_xmac_disable(params);
ce7c0489
YR
12480 bnx2x_umac_disable(params);
12481 }
d231023e 12482 /* Disable emac */
9380bb9e
YR
12483 if (!CHIP_IS_E3(bp))
12484 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
b7737c9b 12485
d231023e 12486 usleep_range(10000, 20000);
25985edc 12487 /* The PHY reset is controlled by GPIO 1
de6eae1f
YR
12488 * Hold it as vars low
12489 */
d231023e 12490 /* Clear link led */
ca7b91bb 12491 bnx2x_set_mdio_clk(bp, params->chip_id, port);
7f02c4ad
YR
12492 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
12493
de6eae1f
YR
12494 if (reset_ext_phy) {
12495 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
12496 phy_index++) {
28f4881c
YR
12497 if (params->phy[phy_index].link_reset) {
12498 bnx2x_set_aer_mmd(params,
12499 &params->phy[phy_index]);
de6eae1f
YR
12500 params->phy[phy_index].link_reset(
12501 &params->phy[phy_index],
12502 params);
28f4881c 12503 }
cf1d972c
YR
12504 if (params->phy[phy_index].flags &
12505 FLAGS_REARM_LATCH_SIGNAL)
12506 clear_latch_ind = 1;
b7737c9b 12507 }
b7737c9b
YR
12508 }
12509
cf1d972c
YR
12510 if (clear_latch_ind) {
12511 /* Clear latching indication */
12512 bnx2x_rearm_latch_signal(bp, port, 0);
12513 bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
12514 1 << NIG_LATCH_BC_ENABLE_MI_INT);
12515 }
de6eae1f
YR
12516 if (params->phy[INT_PHY].link_reset)
12517 params->phy[INT_PHY].link_reset(
12518 &params->phy[INT_PHY], params);
b7737c9b 12519
d231023e 12520 /* Disable nig ingress interface */
9380bb9e 12521 if (!CHIP_IS_E3(bp)) {
d231023e 12522 /* Reset BigMac */
ce7c0489
YR
12523 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
12524 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
9380bb9e
YR
12525 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
12526 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
ce7c0489
YR
12527 } else {
12528 u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
12529 bnx2x_set_xumac_nig(params, 0, 0);
12530 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
12531 MISC_REGISTERS_RESET_REG_2_XMAC)
12532 REG_WR(bp, xmac_base + XMAC_REG_CTRL,
12533 XMAC_CTRL_REG_SOFT_RESET);
9380bb9e 12534 }
de6eae1f 12535 vars->link_up = 0;
3c9ada22 12536 vars->phy_flags = 0;
b7737c9b
YR
12537 return 0;
12538}
12539
de6eae1f
YR
12540/****************************************************************************/
12541/* Common function */
12542/****************************************************************************/
fcf5b650
YR
12543static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
12544 u32 shmem_base_path[],
12545 u32 shmem2_base_path[], u8 phy_index,
12546 u32 chip_id)
6bbca910 12547{
e10bc84d
YR
12548 struct bnx2x_phy phy[PORT_MAX];
12549 struct bnx2x_phy *phy_blk[PORT_MAX];
6bbca910 12550 u16 val;
c8e64df4 12551 s8 port = 0;
f2e0899f 12552 s8 port_of_path = 0;
c8e64df4
YR
12553 u32 swap_val, swap_override;
12554 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12555 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
12556 port ^= (swap_val && swap_override);
12557 bnx2x_ext_phy_hw_reset(bp, port);
6bbca910
YR
12558 /* PART1 - Reset both phys */
12559 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
f2e0899f
DK
12560 u32 shmem_base, shmem2_base;
12561 /* In E2, same phy is using for port0 of the two paths */
3c9ada22 12562 if (CHIP_IS_E1x(bp)) {
f2e0899f
DK
12563 shmem_base = shmem_base_path[0];
12564 shmem2_base = shmem2_base_path[0];
12565 port_of_path = port;
3c9ada22
YR
12566 } else {
12567 shmem_base = shmem_base_path[port];
12568 shmem2_base = shmem2_base_path[port];
12569 port_of_path = 0;
f2e0899f
DK
12570 }
12571
6bbca910 12572 /* Extract the ext phy address for the port */
a22f0788 12573 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
f2e0899f 12574 port_of_path, &phy[port]) !=
e10bc84d
YR
12575 0) {
12576 DP(NETIF_MSG_LINK, "populate_phy failed\n");
12577 return -EINVAL;
12578 }
d231023e 12579 /* Disable attentions */
6a71bbe0
YR
12580 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12581 port_of_path*4,
cd88ccee
YR
12582 (NIG_MASK_XGXS0_LINK_STATUS |
12583 NIG_MASK_XGXS0_LINK10G |
12584 NIG_MASK_SERDES0_LINK_STATUS |
12585 NIG_MASK_MI_INT));
6bbca910 12586
6bbca910 12587 /* Need to take the phy out of low power mode in order
8f73f0b9
YR
12588 * to write to access its registers
12589 */
6bbca910 12590 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
cd88ccee
YR
12591 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12592 port);
6bbca910
YR
12593
12594 /* Reset the phy */
e10bc84d 12595 bnx2x_cl45_write(bp, &phy[port],
cd88ccee
YR
12596 MDIO_PMA_DEVAD,
12597 MDIO_PMA_REG_CTRL,
12598 1<<15);
6bbca910
YR
12599 }
12600
12601 /* Add delay of 150ms after reset */
12602 msleep(150);
12603
e10bc84d
YR
12604 if (phy[PORT_0].addr & 0x1) {
12605 phy_blk[PORT_0] = &(phy[PORT_1]);
12606 phy_blk[PORT_1] = &(phy[PORT_0]);
12607 } else {
12608 phy_blk[PORT_0] = &(phy[PORT_0]);
12609 phy_blk[PORT_1] = &(phy[PORT_1]);
12610 }
12611
6bbca910
YR
12612 /* PART2 - Download firmware to both phys */
12613 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
3c9ada22 12614 if (CHIP_IS_E1x(bp))
f2e0899f 12615 port_of_path = port;
3c9ada22
YR
12616 else
12617 port_of_path = 0;
6bbca910 12618
f2e0899f
DK
12619 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12620 phy_blk[port]->addr);
5c99274b
YR
12621 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12622 port_of_path))
6bbca910 12623 return -EINVAL;
6bbca910
YR
12624
12625 /* Only set bit 10 = 1 (Tx power down) */
e10bc84d 12626 bnx2x_cl45_read(bp, phy_blk[port],
cd88ccee
YR
12627 MDIO_PMA_DEVAD,
12628 MDIO_PMA_REG_TX_POWER_DOWN, &val);
6bbca910
YR
12629
12630 /* Phase1 of TX_POWER_DOWN reset */
e10bc84d 12631 bnx2x_cl45_write(bp, phy_blk[port],
cd88ccee
YR
12632 MDIO_PMA_DEVAD,
12633 MDIO_PMA_REG_TX_POWER_DOWN,
12634 (val | 1<<10));
6bbca910
YR
12635 }
12636
8f73f0b9 12637 /* Toggle Transmitter: Power down and then up with 600ms delay
2cf7acf9
YR
12638 * between
12639 */
6bbca910
YR
12640 msleep(600);
12641
12642 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
12643 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
f5372251 12644 /* Phase2 of POWER_DOWN_RESET */
6bbca910 12645 /* Release bit 10 (Release Tx power down) */
e10bc84d 12646 bnx2x_cl45_read(bp, phy_blk[port],
cd88ccee
YR
12647 MDIO_PMA_DEVAD,
12648 MDIO_PMA_REG_TX_POWER_DOWN, &val);
6bbca910 12649
e10bc84d 12650 bnx2x_cl45_write(bp, phy_blk[port],
cd88ccee
YR
12651 MDIO_PMA_DEVAD,
12652 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
d231023e 12653 usleep_range(15000, 30000);
6bbca910
YR
12654
12655 /* Read modify write the SPI-ROM version select register */
e10bc84d 12656 bnx2x_cl45_read(bp, phy_blk[port],
cd88ccee
YR
12657 MDIO_PMA_DEVAD,
12658 MDIO_PMA_REG_EDC_FFE_MAIN, &val);
e10bc84d 12659 bnx2x_cl45_write(bp, phy_blk[port],
cd88ccee
YR
12660 MDIO_PMA_DEVAD,
12661 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
6bbca910
YR
12662
12663 /* set GPIO2 back to LOW */
12664 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
cd88ccee 12665 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
6bbca910
YR
12666 }
12667 return 0;
6bbca910 12668}
fcf5b650
YR
12669static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
12670 u32 shmem_base_path[],
12671 u32 shmem2_base_path[], u8 phy_index,
12672 u32 chip_id)
de6eae1f
YR
12673{
12674 u32 val;
12675 s8 port;
12676 struct bnx2x_phy phy;
12677 /* Use port1 because of the static port-swap */
12678 /* Enable the module detection interrupt */
12679 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
12680 val |= ((1<<MISC_REGISTERS_GPIO_3)|
12681 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
12682 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
12683
650154bf 12684 bnx2x_ext_phy_hw_reset(bp, 0);
d231023e 12685 usleep_range(5000, 10000);
de6eae1f 12686 for (port = 0; port < PORT_MAX; port++) {
f2e0899f
DK
12687 u32 shmem_base, shmem2_base;
12688
12689 /* In E2, same phy is using for port0 of the two paths */
3c9ada22 12690 if (CHIP_IS_E1x(bp)) {
f2e0899f
DK
12691 shmem_base = shmem_base_path[0];
12692 shmem2_base = shmem2_base_path[0];
3c9ada22
YR
12693 } else {
12694 shmem_base = shmem_base_path[port];
12695 shmem2_base = shmem2_base_path[port];
f2e0899f 12696 }
de6eae1f 12697 /* Extract the ext phy address for the port */
a22f0788 12698 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
de6eae1f
YR
12699 port, &phy) !=
12700 0) {
12701 DP(NETIF_MSG_LINK, "populate phy failed\n");
12702 return -EINVAL;
12703 }
12704
12705 /* Reset phy*/
12706 bnx2x_cl45_write(bp, &phy,
12707 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
12708
12709
12710 /* Set fault module detected LED on */
12711 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
cd88ccee
YR
12712 MISC_REGISTERS_GPIO_HIGH,
12713 port);
de6eae1f
YR
12714 }
12715
12716 return 0;
12717}
a8db5b4c
YR
12718static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
12719 u8 *io_gpio, u8 *io_port)
12720{
12721
12722 u32 phy_gpio_reset = REG_RD(bp, shmem_base +
12723 offsetof(struct shmem_region,
12724 dev_info.port_hw_config[PORT_0].default_cfg));
12725 switch (phy_gpio_reset) {
12726 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
12727 *io_gpio = 0;
12728 *io_port = 0;
12729 break;
12730 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
12731 *io_gpio = 1;
12732 *io_port = 0;
12733 break;
12734 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
12735 *io_gpio = 2;
12736 *io_port = 0;
12737 break;
12738 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
12739 *io_gpio = 3;
12740 *io_port = 0;
12741 break;
12742 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
12743 *io_gpio = 0;
12744 *io_port = 1;
12745 break;
12746 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
12747 *io_gpio = 1;
12748 *io_port = 1;
12749 break;
12750 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
12751 *io_gpio = 2;
12752 *io_port = 1;
12753 break;
12754 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
12755 *io_gpio = 3;
12756 *io_port = 1;
12757 break;
12758 default:
12759 /* Don't override the io_gpio and io_port */
12760 break;
12761 }
12762}
fcf5b650
YR
12763
12764static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
12765 u32 shmem_base_path[],
12766 u32 shmem2_base_path[], u8 phy_index,
12767 u32 chip_id)
4d295db0 12768{
a8db5b4c 12769 s8 port, reset_gpio;
4d295db0 12770 u32 swap_val, swap_override;
e10bc84d
YR
12771 struct bnx2x_phy phy[PORT_MAX];
12772 struct bnx2x_phy *phy_blk[PORT_MAX];
f2e0899f 12773 s8 port_of_path;
cd88ccee
YR
12774 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12775 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
4d295db0 12776
a8db5b4c 12777 reset_gpio = MISC_REGISTERS_GPIO_1;
a22f0788 12778 port = 1;
4d295db0 12779
8f73f0b9 12780 /* Retrieve the reset gpio/port which control the reset.
a8db5b4c
YR
12781 * Default is GPIO1, PORT1
12782 */
12783 bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
12784 (u8 *)&reset_gpio, (u8 *)&port);
a22f0788
YR
12785
12786 /* Calculate the port based on port swap */
12787 port ^= (swap_val && swap_override);
12788
a8db5b4c
YR
12789 /* Initiate PHY reset*/
12790 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
12791 port);
d231023e 12792 usleep_range(1000, 2000);
a8db5b4c
YR
12793 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12794 port);
12795
d231023e 12796 usleep_range(5000, 10000);
bc7f0a05 12797
4d295db0 12798 /* PART1 - Reset both phys */
a22f0788 12799 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
f2e0899f
DK
12800 u32 shmem_base, shmem2_base;
12801
12802 /* In E2, same phy is using for port0 of the two paths */
3c9ada22 12803 if (CHIP_IS_E1x(bp)) {
f2e0899f
DK
12804 shmem_base = shmem_base_path[0];
12805 shmem2_base = shmem2_base_path[0];
12806 port_of_path = port;
3c9ada22
YR
12807 } else {
12808 shmem_base = shmem_base_path[port];
12809 shmem2_base = shmem2_base_path[port];
12810 port_of_path = 0;
f2e0899f
DK
12811 }
12812
4d295db0 12813 /* Extract the ext phy address for the port */
a22f0788 12814 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
f2e0899f 12815 port_of_path, &phy[port]) !=
e10bc84d
YR
12816 0) {
12817 DP(NETIF_MSG_LINK, "populate phy failed\n");
12818 return -EINVAL;
12819 }
4d295db0 12820 /* disable attentions */
f2e0899f
DK
12821 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12822 port_of_path*4,
12823 (NIG_MASK_XGXS0_LINK_STATUS |
12824 NIG_MASK_XGXS0_LINK10G |
12825 NIG_MASK_SERDES0_LINK_STATUS |
12826 NIG_MASK_MI_INT));
4d295db0 12827
4d295db0
EG
12828
12829 /* Reset the phy */
e10bc84d 12830 bnx2x_cl45_write(bp, &phy[port],
cd88ccee 12831 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
4d295db0
EG
12832 }
12833
12834 /* Add delay of 150ms after reset */
12835 msleep(150);
e10bc84d
YR
12836 if (phy[PORT_0].addr & 0x1) {
12837 phy_blk[PORT_0] = &(phy[PORT_1]);
12838 phy_blk[PORT_1] = &(phy[PORT_0]);
12839 } else {
12840 phy_blk[PORT_0] = &(phy[PORT_0]);
12841 phy_blk[PORT_1] = &(phy[PORT_1]);
12842 }
4d295db0 12843 /* PART2 - Download firmware to both phys */
e10bc84d 12844 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
3c9ada22 12845 if (CHIP_IS_E1x(bp))
f2e0899f 12846 port_of_path = port;
3c9ada22
YR
12847 else
12848 port_of_path = 0;
f2e0899f
DK
12849 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12850 phy_blk[port]->addr);
5c99274b
YR
12851 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12852 port_of_path))
4d295db0 12853 return -EINVAL;
85242eea
YR
12854 /* Disable PHY transmitter output */
12855 bnx2x_cl45_write(bp, phy_blk[port],
12856 MDIO_PMA_DEVAD,
12857 MDIO_PMA_REG_TX_DISABLE, 1);
4d295db0 12858
5c99274b 12859 }
4d295db0
EG
12860 return 0;
12861}
12862
521683da
YR
12863static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
12864 u32 shmem_base_path[],
12865 u32 shmem2_base_path[],
12866 u8 phy_index,
12867 u32 chip_id)
12868{
12869 u8 reset_gpios;
521683da
YR
12870 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
12871 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
12872 udelay(10);
12873 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
12874 DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
12875 reset_gpios);
11b2ec6b
YR
12876 return 0;
12877}
521683da 12878
11b2ec6b
YR
12879static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
12880 struct bnx2x_phy *phy)
12881{
12882 u16 val, cnt;
12883 /* Wait for FW completing its initialization. */
12884 for (cnt = 0; cnt < 1500; cnt++) {
12885 bnx2x_cl45_read(bp, phy,
521683da
YR
12886 MDIO_PMA_DEVAD,
12887 MDIO_PMA_REG_CTRL, &val);
11b2ec6b
YR
12888 if (!(val & (1<<15)))
12889 break;
d231023e 12890 usleep_range(1000, 2000);
11b2ec6b
YR
12891 }
12892 if (cnt >= 1500) {
12893 DP(NETIF_MSG_LINK, "84833 reset timeout\n");
12894 return -EINVAL;
521683da
YR
12895 }
12896
11b2ec6b
YR
12897 /* Put the port in super isolate mode. */
12898 bnx2x_cl45_read(bp, phy,
12899 MDIO_CTL_DEVAD,
12900 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
12901 val |= MDIO_84833_SUPER_ISOLATE;
12902 bnx2x_cl45_write(bp, phy,
12903 MDIO_CTL_DEVAD,
12904 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
12905
12906 /* Save spirom version */
12907 bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
521683da
YR
12908 return 0;
12909}
12910
11b2ec6b
YR
12911int bnx2x_pre_init_phy(struct bnx2x *bp,
12912 u32 shmem_base,
12913 u32 shmem2_base,
12914 u32 chip_id)
12915{
12916 int rc = 0;
12917 struct bnx2x_phy phy;
12918 bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
12919 if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
12920 PORT_0, &phy)) {
12921 DP(NETIF_MSG_LINK, "populate_phy failed\n");
12922 return -EINVAL;
12923 }
12924 switch (phy.type) {
12925 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12926 rc = bnx2x_84833_pre_init_phy(bp, &phy);
12927 break;
12928 default:
12929 break;
12930 }
12931 return rc;
12932}
521683da 12933
fcf5b650
YR
12934static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
12935 u32 shmem2_base_path[], u8 phy_index,
12936 u32 ext_phy_type, u32 chip_id)
6bbca910 12937{
fcf5b650 12938 int rc = 0;
6bbca910
YR
12939
12940 switch (ext_phy_type) {
12941 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
f2e0899f
DK
12942 rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
12943 shmem2_base_path,
12944 phy_index, chip_id);
6bbca910 12945 break;
e4d78f12 12946 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
4d295db0
EG
12947 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
12948 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
f2e0899f
DK
12949 rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
12950 shmem2_base_path,
12951 phy_index, chip_id);
4d295db0
EG
12952 break;
12953
589abe3a 12954 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8f73f0b9 12955 /* GPIO1 affects both ports, so there's need to pull
2cf7acf9
YR
12956 * it for single port alone
12957 */
f2e0899f
DK
12958 rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
12959 shmem2_base_path,
12960 phy_index, chip_id);
a22f0788 12961 break;
0d40f0d4 12962 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
8f73f0b9 12963 /* GPIO3's are linked, and so both need to be toggled
0d40f0d4
YR
12964 * to obtain required 2us pulse.
12965 */
521683da
YR
12966 rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
12967 shmem2_base_path,
12968 phy_index, chip_id);
0d40f0d4 12969 break;
a22f0788
YR
12970 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
12971 rc = -EINVAL;
4f60dab1 12972 break;
6bbca910
YR
12973 default:
12974 DP(NETIF_MSG_LINK,
2cf7acf9
YR
12975 "ext_phy 0x%x common init not required\n",
12976 ext_phy_type);
6bbca910
YR
12977 break;
12978 }
12979
d231023e 12980 if (rc)
6d870c39
YR
12981 netdev_err(bp->dev, "Warning: PHY was not initialized,"
12982 " Port %d\n",
12983 0);
6bbca910
YR
12984 return rc;
12985}
12986
fcf5b650
YR
12987int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
12988 u32 shmem2_base_path[], u32 chip_id)
a22f0788 12989{
fcf5b650 12990 int rc = 0;
3c9ada22
YR
12991 u32 phy_ver, val;
12992 u8 phy_index = 0;
a22f0788 12993 u32 ext_phy_type, ext_phy_config;
a198c142
YR
12994 bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
12995 bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
a22f0788 12996 DP(NETIF_MSG_LINK, "Begin common phy init\n");
3c9ada22
YR
12997 if (CHIP_IS_E3(bp)) {
12998 /* Enable EPIO */
12999 val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
13000 REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
13001 }
b21a3424
YR
13002 /* Check if common init was already done */
13003 phy_ver = REG_RD(bp, shmem_base_path[0] +
13004 offsetof(struct shmem_region,
13005 port_mb[PORT_0].ext_phy_fw_version));
13006 if (phy_ver) {
13007 DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
13008 phy_ver);
13009 return 0;
13010 }
13011
a22f0788
YR
13012 /* Read the ext_phy_type for arbitrary port(0) */
13013 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13014 phy_index++) {
13015 ext_phy_config = bnx2x_get_ext_phy_config(bp,
f2e0899f 13016 shmem_base_path[0],
a22f0788
YR
13017 phy_index, 0);
13018 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
f2e0899f
DK
13019 rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
13020 shmem2_base_path,
13021 phy_index, ext_phy_type,
13022 chip_id);
a22f0788
YR
13023 }
13024 return rc;
13025}
d90d96ba 13026
3deb8167
YR
13027static void bnx2x_check_over_curr(struct link_params *params,
13028 struct link_vars *vars)
13029{
13030 struct bnx2x *bp = params->bp;
13031 u32 cfg_pin;
13032 u8 port = params->port;
13033 u32 pin_val;
13034
13035 cfg_pin = (REG_RD(bp, params->shmem_base +
13036 offsetof(struct shmem_region,
13037 dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
13038 PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
13039 PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
13040
13041 /* Ignore check if no external input PIN available */
13042 if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
13043 return;
13044
13045 if (!pin_val) {
13046 if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
13047 netdev_err(bp->dev, "Error: Power fault on Port %d has"
13048 " been detected and the power to "
13049 "that SFP+ module has been removed"
13050 " to prevent failure of the card."
13051 " Please remove the SFP+ module and"
13052 " restart the system to clear this"
13053 " error.\n",
13054 params->port);
13055 vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
13056 }
13057 } else
13058 vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
13059}
13060
d0b8a6f9
YM
13061/* Returns 0 if no change occured since last check; 1 otherwise. */
13062static u8 bnx2x_analyze_link_error(struct link_params *params,
13063 struct link_vars *vars, u32 status,
13064 u32 phy_flag, u32 link_flag, u8 notify)
3deb8167
YR
13065{
13066 struct bnx2x *bp = params->bp;
13067 /* Compare new value with previous value */
13068 u8 led_mode;
d0b8a6f9 13069 u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
3deb8167 13070
d0b8a6f9
YM
13071 if ((status ^ old_status) == 0)
13072 return 0;
3deb8167
YR
13073
13074 /* If values differ */
d0b8a6f9
YM
13075 switch (phy_flag) {
13076 case PHY_HALF_OPEN_CONN_FLAG:
13077 DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
13078 break;
13079 case PHY_SFP_TX_FAULT_FLAG:
13080 DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
13081 break;
13082 default:
13083 DP(NETIF_MSG_LINK, "Analyze UNKOWN\n");
13084 }
13085 DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
13086 old_status, status);
3deb8167 13087
8f73f0b9 13088 /* a. Update shmem->link_status accordingly
3deb8167
YR
13089 * b. Update link_vars->link_up
13090 */
d0b8a6f9 13091 if (status) {
3deb8167 13092 vars->link_status &= ~LINK_STATUS_LINK_UP;
d0b8a6f9 13093 vars->link_status |= link_flag;
3deb8167 13094 vars->link_up = 0;
d0b8a6f9 13095 vars->phy_flags |= phy_flag;
55098c5c
YR
13096
13097 /* activate nig drain */
13098 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
8f73f0b9 13099 /* Set LED mode to off since the PHY doesn't know about these
3deb8167
YR
13100 * errors
13101 */
13102 led_mode = LED_MODE_OFF;
13103 } else {
13104 vars->link_status |= LINK_STATUS_LINK_UP;
d0b8a6f9 13105 vars->link_status &= ~link_flag;
3deb8167 13106 vars->link_up = 1;
d0b8a6f9 13107 vars->phy_flags &= ~phy_flag;
3deb8167 13108 led_mode = LED_MODE_OPER;
55098c5c
YR
13109
13110 /* Clear nig drain */
13111 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
3deb8167 13112 }
55098c5c 13113 bnx2x_sync_link(params, vars);
3deb8167
YR
13114 /* Update the LED according to the link state */
13115 bnx2x_set_led(params, vars, led_mode, SPEED_10000);
13116
13117 /* Update link status in the shared memory */
13118 bnx2x_update_mng(params, vars->link_status);
13119
13120 /* C. Trigger General Attention */
13121 vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
55098c5c
YR
13122 if (notify)
13123 bnx2x_notify_link_changed(bp);
d0b8a6f9
YM
13124
13125 return 1;
3deb8167
YR
13126}
13127
de6f3377
YR
13128/******************************************************************************
13129* Description:
13130* This function checks for half opened connection change indication.
13131* When such change occurs, it calls the bnx2x_analyze_link_error
13132* to check if Remote Fault is set or cleared. Reception of remote fault
13133* status message in the MAC indicates that the peer's MAC has detected
13134* a fault, for example, due to break in the TX side of fiber.
13135*
13136******************************************************************************/
55098c5c
YR
13137int bnx2x_check_half_open_conn(struct link_params *params,
13138 struct link_vars *vars,
13139 u8 notify)
3deb8167
YR
13140{
13141 struct bnx2x *bp = params->bp;
13142 u32 lss_status = 0;
13143 u32 mac_base;
13144 /* In case link status is physically up @ 10G do */
55098c5c
YR
13145 if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
13146 (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
13147 return 0;
3deb8167 13148
de6f3377 13149 if (CHIP_IS_E3(bp) &&
3deb8167 13150 (REG_RD(bp, MISC_REG_RESET_REG_2) &
de6f3377
YR
13151 (MISC_REGISTERS_RESET_REG_2_XMAC))) {
13152 /* Check E3 XMAC */
8f73f0b9 13153 /* Note that link speed cannot be queried here, since it may be
de6f3377
YR
13154 * zero while link is down. In case UMAC is active, LSS will
13155 * simply not be set
13156 */
13157 mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
13158
13159 /* Clear stick bits (Requires rising edge) */
13160 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
13161 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
13162 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
13163 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
13164 if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
13165 lss_status = 1;
13166
d0b8a6f9
YM
13167 bnx2x_analyze_link_error(params, vars, lss_status,
13168 PHY_HALF_OPEN_CONN_FLAG,
13169 LINK_STATUS_NONE, notify);
de6f3377
YR
13170 } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
13171 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
3deb8167
YR
13172 /* Check E1X / E2 BMAC */
13173 u32 lss_status_reg;
13174 u32 wb_data[2];
13175 mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
13176 NIG_REG_INGRESS_BMAC0_MEM;
13177 /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
13178 if (CHIP_IS_E2(bp))
13179 lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
13180 else
13181 lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
13182
13183 REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
13184 lss_status = (wb_data[0] > 0);
13185
d0b8a6f9
YM
13186 bnx2x_analyze_link_error(params, vars, lss_status,
13187 PHY_HALF_OPEN_CONN_FLAG,
13188 LINK_STATUS_NONE, notify);
3deb8167 13189 }
55098c5c 13190 return 0;
3deb8167 13191}
d0b8a6f9
YM
13192static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
13193 struct link_params *params,
13194 struct link_vars *vars)
13195{
13196 struct bnx2x *bp = params->bp;
13197 u32 cfg_pin, value = 0;
13198 u8 led_change, port = params->port;
3deb8167 13199
d0b8a6f9
YM
13200 /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
13201 cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
13202 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
13203 PORT_HW_CFG_E3_TX_FAULT_MASK) >>
13204 PORT_HW_CFG_E3_TX_FAULT_SHIFT;
13205
13206 if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
13207 DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
13208 return;
13209 }
13210
13211 led_change = bnx2x_analyze_link_error(params, vars, value,
13212 PHY_SFP_TX_FAULT_FLAG,
13213 LINK_STATUS_SFP_TX_FAULT, 1);
13214
13215 if (led_change) {
13216 /* Change TX_Fault led, set link status for further syncs */
13217 u8 led_mode;
13218
13219 if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
13220 led_mode = MISC_REGISTERS_GPIO_HIGH;
13221 vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
13222 } else {
13223 led_mode = MISC_REGISTERS_GPIO_LOW;
13224 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13225 }
13226
13227 /* If module is unapproved, led should be on regardless */
13228 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
13229 DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
13230 led_mode);
13231 bnx2x_set_e3_module_fault_led(params, led_mode);
13232 }
13233 }
13234}
3deb8167
YR
13235void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
13236{
de6f3377 13237 u16 phy_idx;
55098c5c 13238 struct bnx2x *bp = params->bp;
de6f3377
YR
13239 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
13240 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
13241 bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
55098c5c
YR
13242 if (bnx2x_check_half_open_conn(params, vars, 1) !=
13243 0)
13244 DP(NETIF_MSG_LINK, "Fault detection failed\n");
de6f3377
YR
13245 break;
13246 }
13247 }
13248
a9077bfd
YR
13249 if (CHIP_IS_E3(bp)) {
13250 struct bnx2x_phy *phy = &params->phy[INT_PHY];
13251 bnx2x_set_aer_mmd(params, phy);
3deb8167 13252 bnx2x_check_over_curr(params, vars);
d0b8a6f9
YM
13253 if (vars->rx_tx_asic_rst)
13254 bnx2x_warpcore_config_runtime(phy, params, vars);
13255
13256 if ((REG_RD(bp, params->shmem_base +
13257 offsetof(struct shmem_region, dev_info.
13258 port_hw_config[params->port].default_cfg))
13259 & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
13260 PORT_HW_CFG_NET_SERDES_IF_SFI) {
13261 if (bnx2x_is_sfp_module_plugged(phy, params)) {
13262 bnx2x_sfp_tx_fault_detection(phy, params, vars);
13263 } else if (vars->link_status &
13264 LINK_STATUS_SFP_TX_FAULT) {
13265 /* Clean trail, interrupt corrects the leds */
13266 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13267 vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
13268 /* Update link status in the shared memory */
13269 bnx2x_update_mng(params, vars->link_status);
13270 }
13271 }
13272
a9077bfd
YR
13273 }
13274
3deb8167
YR
13275}
13276
a22f0788 13277u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
d90d96ba
YR
13278{
13279 u8 phy_index;
13280 struct bnx2x_phy phy;
13281 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
13282 phy_index++) {
a22f0788 13283 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
d90d96ba
YR
13284 0, &phy) != 0) {
13285 DP(NETIF_MSG_LINK, "populate phy failed\n");
13286 return 0;
13287 }
13288
13289 if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
13290 return 1;
13291 }
13292 return 0;
13293}
13294
13295u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
13296 u32 shmem_base,
a22f0788 13297 u32 shmem2_base,
d90d96ba
YR
13298 u8 port)
13299{
13300 u8 phy_index, fan_failure_det_req = 0;
13301 struct bnx2x_phy phy;
13302 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13303 phy_index++) {
a22f0788 13304 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
d90d96ba
YR
13305 port, &phy)
13306 != 0) {
13307 DP(NETIF_MSG_LINK, "populate phy failed\n");
13308 return 0;
13309 }
13310 fan_failure_det_req |= (phy.flags &
13311 FLAGS_FAN_FAILURE_DET_REQ);
13312 }
13313 return fan_failure_det_req;
13314}
13315
13316void bnx2x_hw_reset_phy(struct link_params *params)
13317{
13318 u8 phy_index;
985848f8
YR
13319 struct bnx2x *bp = params->bp;
13320 bnx2x_update_mng(params, 0);
13321 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
13322 (NIG_MASK_XGXS0_LINK_STATUS |
13323 NIG_MASK_XGXS0_LINK10G |
13324 NIG_MASK_SERDES0_LINK_STATUS |
13325 NIG_MASK_MI_INT));
13326
13327 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
d90d96ba
YR
13328 phy_index++) {
13329 if (params->phy[phy_index].hw_reset) {
13330 params->phy[phy_index].hw_reset(
13331 &params->phy[phy_index],
13332 params);
13333 params->phy[phy_index] = phy_null;
13334 }
13335 }
13336}
020c7e3f
YR
13337
13338void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
13339 u32 chip_id, u32 shmem_base, u32 shmem2_base,
13340 u8 port)
13341{
13342 u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
13343 u32 val;
13344 u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
3c9ada22
YR
13345 if (CHIP_IS_E3(bp)) {
13346 if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
13347 shmem_base,
13348 port,
13349 &gpio_num,
13350 &gpio_port) != 0)
13351 return;
13352 } else {
020c7e3f
YR
13353 struct bnx2x_phy phy;
13354 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13355 phy_index++) {
13356 if (bnx2x_populate_phy(bp, phy_index, shmem_base,
13357 shmem2_base, port, &phy)
13358 != 0) {
13359 DP(NETIF_MSG_LINK, "populate phy failed\n");
13360 return;
13361 }
13362 if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
13363 gpio_num = MISC_REGISTERS_GPIO_3;
13364 gpio_port = port;
13365 break;
13366 }
13367 }
13368 }
13369
13370 if (gpio_num == 0xff)
13371 return;
13372
13373 /* Set GPIO3 to trigger SFP+ module insertion/removal */
13374 bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
13375
13376 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13377 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13378 gpio_port ^= (swap_val && swap_override);
13379
13380 vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
13381 (gpio_num + (gpio_port << 2));
13382
13383 sync_offset = shmem_base +
13384 offsetof(struct shmem_region,
13385 dev_info.port_hw_config[port].aeu_int_mask);
13386 REG_WR(bp, sync_offset, vars->aeu_int_mask);
13387
13388 DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
13389 gpio_num, gpio_port, vars->aeu_int_mask);
13390
13391 if (port == 0)
13392 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
13393 else
13394 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
13395
13396 /* Open appropriate AEU for interrupts */
13397 aeu_mask = REG_RD(bp, offset);
13398 aeu_mask |= vars->aeu_int_mask;
13399 REG_WR(bp, offset, aeu_mask);
13400
13401 /* Enable the GPIO to trigger interrupt */
13402 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
13403 val |= 1 << (gpio_num + (gpio_port << 2));
13404 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
13405}