blob: 57ba8110aa5f2f3b5cc5a78bcd2a2cdf69793a72 [file] [log] [blame]
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001/* Copyright 2008-2011 Broadcom Corporation
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002 *
3 * Unless you and Broadcom execute a separate written software license
4 * agreement governing use of this software, this software is licensed to you
5 * under the terms of the GNU General Public License version 2, available
6 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
7 *
8 * Notwithstanding the above, under no circumstances may you combine this
9 * software in any way with any other Broadcom software provided under a
10 * license other than the GPL, without Broadcom's express prior written
11 * consent.
12 *
13 * Written by Yaniv Rosner
14 *
15 */
16
Joe Perches7995c642010-02-17 15:01:52 +000017#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
18
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070019#include <linux/kernel.h>
20#include <linux/errno.h>
21#include <linux/pci.h>
22#include <linux/netdevice.h>
23#include <linux/delay.h>
24#include <linux/ethtool.h>
25#include <linux/mutex.h>
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070026
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070027#include "bnx2x.h"
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030028#include "bnx2x_cmn.h"
29
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070030
31/********************************************************/
Eilon Greenstein3196a882008-08-13 15:58:49 -070032#define ETH_HLEN 14
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000033/* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
34#define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070035#define ETH_MIN_PACKET_SIZE 60
36#define ETH_MAX_PACKET_SIZE 1500
37#define ETH_MAX_JUMBO_PACKET_SIZE 9600
38#define MDIO_ACCESS_TIMEOUT 1000
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000039#define BMAC_CONTROL_RX_ENABLE 2
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000040#define WC_LANE_MAX 4
41#define I2C_SWITCH_WIDTH 2
42#define I2C_BSC0 0
43#define I2C_BSC1 1
44#define I2C_WA_RETRY_CNT 3
45#define MCPR_IMC_COMMAND_READ_OP 1
46#define MCPR_IMC_COMMAND_WRITE_OP 2
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070047
48/***********************************************************/
Eilon Greenstein3196a882008-08-13 15:58:49 -070049/* Shortcut definitions */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070050/***********************************************************/
51
Eilon Greenstein2f904462009-08-12 08:22:16 +000052#define NIG_LATCH_BC_ENABLE_MI_INT 0
53
54#define NIG_STATUS_EMAC0_MI_INT \
55 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070056#define NIG_STATUS_XGXS0_LINK10G \
57 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
58#define NIG_STATUS_XGXS0_LINK_STATUS \
59 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
60#define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
61 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
62#define NIG_STATUS_SERDES0_LINK_STATUS \
63 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
64#define NIG_MASK_MI_INT \
65 NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
66#define NIG_MASK_XGXS0_LINK10G \
67 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
68#define NIG_MASK_XGXS0_LINK_STATUS \
69 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
70#define NIG_MASK_SERDES0_LINK_STATUS \
71 NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
72
73#define MDIO_AN_CL73_OR_37_COMPLETE \
74 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
75 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
76
77#define XGXS_RESET_BITS \
78 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
79 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
80 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
81 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
82 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
83
84#define SERDES_RESET_BITS \
85 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
86 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
87 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
88 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
89
90#define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
91#define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000092#define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
Eilon Greenstein3196a882008-08-13 15:58:49 -070093#define AUTONEG_PARALLEL \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070094 SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
Eilon Greenstein3196a882008-08-13 15:58:49 -070095#define AUTONEG_SGMII_FIBER_AUTODET \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070096 SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
Eilon Greenstein3196a882008-08-13 15:58:49 -070097#define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070098
99#define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
100 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
101#define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
102 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
103#define GP_STATUS_SPEED_MASK \
104 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
105#define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
106#define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
107#define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
108#define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
109#define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
110#define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
111#define GP_STATUS_10G_HIG \
112 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
113#define GP_STATUS_10G_CX4 \
114 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700115#define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
116#define GP_STATUS_10G_KX4 \
117 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000118#define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
119#define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
120#define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
121#define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000122#define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
123#define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700124#define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000125#define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700126#define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
127#define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
128#define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
129#define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
130#define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
131#define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
132#define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000133#define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
134#define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000135#define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
136#define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
Yaniv Rosner6583e332011-06-14 01:34:17 +0000137
138
139
Eilon Greenstein589abe32009-02-12 08:36:55 +0000140/* */
141#define SFP_EEPROM_CON_TYPE_ADDR 0x2
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000142 #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
Eilon Greenstein589abe32009-02-12 08:36:55 +0000143 #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
144
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000145
146#define SFP_EEPROM_COMP_CODE_ADDR 0x3
147 #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
148 #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
149 #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
150
Eilon Greenstein589abe32009-02-12 08:36:55 +0000151#define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
152 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000153 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000154
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000155#define SFP_EEPROM_OPTIONS_ADDR 0x40
Eilon Greenstein589abe32009-02-12 08:36:55 +0000156 #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000157#define SFP_EEPROM_OPTIONS_SIZE 2
Eilon Greenstein589abe32009-02-12 08:36:55 +0000158
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000159#define EDC_MODE_LINEAR 0x0022
160#define EDC_MODE_LIMITING 0x0044
161#define EDC_MODE_PASSIVE_DAC 0x0055
Eilon Greenstein589abe32009-02-12 08:36:55 +0000162
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000163
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000164/* BRB thresholds for E2*/
165#define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
166#define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
167
168#define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
169#define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
170
171#define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
172#define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
173
174#define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
175#define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
176
177/* BRB thresholds for E3A0 */
178#define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
179#define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
180
181#define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
182#define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
183
184#define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
185#define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
186
187#define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
188#define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
189
190
191/* BRB thresholds for E3B0 2 port mode*/
192#define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
193#define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
194
195#define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
196#define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
197
198#define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
199#define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
200
201#define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
202#define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
203
204/* only for E3B0*/
205#define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
206#define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
207
208/* Lossy +Lossless GUARANTIED == GUART */
209#define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
210/* Lossless +Lossless*/
211#define PFC_E3B0_2P_PAUSE_LB_GUART 236
212/* Lossy +Lossy*/
213#define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
214
215/* Lossy +Lossless*/
216#define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
217/* Lossless +Lossless*/
218#define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
219/* Lossy +Lossy*/
220#define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
221#define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
222
223#define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
224#define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
225
226/* BRB thresholds for E3B0 4 port mode */
227#define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
228#define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
229
230#define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
231#define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
232
233#define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
234#define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
235
236#define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
237#define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
238
239
240/* only for E3B0*/
241#define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
242#define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
243#define PFC_E3B0_4P_LB_GUART 120
244
245#define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
246#define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
247
248#define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
249#define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
250
251#define DCBX_INVALID_COS (0xFF)
252
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000253#define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
254#define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000255#define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
256#define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
257#define ETS_E3B0_PBF_MIN_W_VAL (10000)
258
259#define MAX_PACKET_SIZE (9700)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000260#define WC_UC_TIMEOUT 100
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000261
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700262/**********************************************************/
263/* INTERFACE */
264/**********************************************************/
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000265
Yaniv Rosnercd2be892011-01-31 04:21:45 +0000266#define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000267 bnx2x_cl45_write(_bp, _phy, \
Yaniv Rosner7aa07112010-09-07 11:41:01 +0000268 (_phy)->def_md_devad, \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700269 (_bank + (_addr & 0xf)), \
270 _val)
271
Yaniv Rosnercd2be892011-01-31 04:21:45 +0000272#define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000273 bnx2x_cl45_read(_bp, _phy, \
Yaniv Rosner7aa07112010-09-07 11:41:01 +0000274 (_phy)->def_md_devad, \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700275 (_bank + (_addr & 0xf)), \
276 _val)
277
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700278static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
279{
280 u32 val = REG_RD(bp, reg);
281
282 val |= bits;
283 REG_WR(bp, reg, val);
284 return val;
285}
286
287static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
288{
289 u32 val = REG_RD(bp, reg);
290
291 val &= ~bits;
292 REG_WR(bp, reg, val);
293 return val;
294}
295
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000296/******************************************************************/
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000297/* EPIO/GPIO section */
298/******************************************************************/
Yaniv Rosner3deb8162011-06-14 01:34:33 +0000299static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
300{
301 u32 epio_mask, gp_oenable;
302 *en = 0;
303 /* Sanity check */
304 if (epio_pin > 31) {
305 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
306 return;
307 }
308
309 epio_mask = 1 << epio_pin;
310 /* Set this EPIO to output */
311 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
312 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
313
314 *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
315}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000316static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
317{
318 u32 epio_mask, gp_output, gp_oenable;
319
320 /* Sanity check */
321 if (epio_pin > 31) {
322 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
323 return;
324 }
325 DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
326 epio_mask = 1 << epio_pin;
327 /* Set this EPIO to output */
328 gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
329 if (en)
330 gp_output |= epio_mask;
331 else
332 gp_output &= ~epio_mask;
333
334 REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
335
336 /* Set the value for this EPIO */
337 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
338 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
339}
340
341static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
342{
343 if (pin_cfg == PIN_CFG_NA)
344 return;
345 if (pin_cfg >= PIN_CFG_EPIO0) {
346 bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
347 } else {
348 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
349 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
350 bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
351 }
352}
353
Yaniv Rosner3deb8162011-06-14 01:34:33 +0000354static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
355{
356 if (pin_cfg == PIN_CFG_NA)
357 return -EINVAL;
358 if (pin_cfg >= PIN_CFG_EPIO0) {
359 bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
360 } else {
361 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
362 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
363 *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
364 }
365 return 0;
366
367}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000368/******************************************************************/
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000369/* ETS section */
370/******************************************************************/
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000371static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000372{
373 /* ETS disabled configuration*/
374 struct bnx2x *bp = params->bp;
375
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000376 DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000377
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000378 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000379 * mapping between entry priority to client number (0,1,2 -debug and
380 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
381 * 3bits client num.
382 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
383 * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
384 */
385
386 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000387 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000388 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
389 * as strict. Bits 0,1,2 - debug and management entries, 3 -
390 * COS0 entry, 4 - COS1 entry.
391 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
392 * bit4 bit3 bit2 bit1 bit0
393 * MCP and debug are strict
394 */
395
396 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
397 /* defines which entries (clients) are subjected to WFQ arbitration */
398 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000399 /*
400 * For strict priority entries defines the number of consecutive
401 * slots for the highest priority.
402 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000403 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000404 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000405 * mapping between the CREDIT_WEIGHT registers and actual client
406 * numbers
407 */
408 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
409 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
410 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
411
412 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
413 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
414 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
415 /* ETS mode disable */
416 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000417 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000418 * If ETS mode is enabled (there is no strict priority) defines a WFQ
419 * weight for COS0/COS1.
420 */
421 REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
422 REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
423 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
424 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
425 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
426 /* Defines the number of consecutive slots for the strict priority */
427 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
428}
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000429/******************************************************************************
430* Description:
431* Getting min_w_val will be set according to line speed .
432*.
433******************************************************************************/
434static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
435{
436 u32 min_w_val = 0;
437 /* Calculate min_w_val.*/
438 if (vars->link_up) {
439 if (SPEED_20000 == vars->line_speed)
440 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
441 else
442 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
443 } else
444 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
445 /**
446 * If the link isn't up (static configuration for example ) The
447 * link will be according to 20GBPS.
448 */
449 return min_w_val;
450}
451/******************************************************************************
452* Description:
453* Getting credit upper bound form min_w_val.
454*.
455******************************************************************************/
456static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
457{
458 const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
459 MAX_PACKET_SIZE);
460 return credit_upper_bound;
461}
462/******************************************************************************
463* Description:
464* Set credit upper bound for NIG.
465*.
466******************************************************************************/
467static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
468 const struct link_params *params,
469 const u32 min_w_val)
470{
471 struct bnx2x *bp = params->bp;
472 const u8 port = params->port;
473 const u32 credit_upper_bound =
474 bnx2x_ets_get_credit_upper_bound(min_w_val);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000475
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000476 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
477 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
478 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
479 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
480 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
481 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
482 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
483 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
484 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
485 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
486 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
487 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
488
489 if (0 == port) {
490 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
491 credit_upper_bound);
492 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
493 credit_upper_bound);
494 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
495 credit_upper_bound);
496 }
497}
498/******************************************************************************
499* Description:
500* Will return the NIG ETS registers to init values.Except
501* credit_upper_bound.
502* That isn't used in this configuration (No WFQ is enabled) and will be
503* configured acording to spec
504*.
505******************************************************************************/
506static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
507 const struct link_vars *vars)
508{
509 struct bnx2x *bp = params->bp;
510 const u8 port = params->port;
511 const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
512 /**
513 * mapping between entry priority to client number (0,1,2 -debug and
514 * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
515 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
516 * reset value or init tool
517 */
518 if (port) {
519 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
520 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
521 } else {
522 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
523 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
524 }
525 /**
526 * For strict priority entries defines the number of consecutive
527 * slots for the highest priority.
528 */
529 /* TODO_ETS - Should be done by reset value or init tool */
530 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
531 NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
532 /**
533 * mapping between the CREDIT_WEIGHT registers and actual client
534 * numbers
535 */
536 /* TODO_ETS - Should be done by reset value or init tool */
537 if (port) {
538 /*Port 1 has 6 COS*/
539 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
540 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
541 } else {
542 /*Port 0 has 9 COS*/
543 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
544 0x43210876);
545 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
546 }
547
548 /**
549 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
550 * as strict. Bits 0,1,2 - debug and management entries, 3 -
551 * COS0 entry, 4 - COS1 entry.
552 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
553 * bit4 bit3 bit2 bit1 bit0
554 * MCP and debug are strict
555 */
556 if (port)
557 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
558 else
559 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
560 /* defines which entries (clients) are subjected to WFQ arbitration */
561 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
562 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
563
564 /**
565 * Please notice the register address are note continuous and a
566 * for here is note appropriate.In 2 port mode port0 only COS0-5
567 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
568 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
569 * are never used for WFQ
570 */
571 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
572 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
573 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
574 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
575 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
576 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
577 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
578 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
579 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
580 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
581 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
582 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
583 if (0 == port) {
584 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
585 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
586 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
587 }
588
589 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
590}
591/******************************************************************************
592* Description:
593* Set credit upper bound for PBF.
594*.
595******************************************************************************/
596static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
597 const struct link_params *params,
598 const u32 min_w_val)
599{
600 struct bnx2x *bp = params->bp;
601 const u32 credit_upper_bound =
602 bnx2x_ets_get_credit_upper_bound(min_w_val);
603 const u8 port = params->port;
604 u32 base_upper_bound = 0;
605 u8 max_cos = 0;
606 u8 i = 0;
607 /**
608 * In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
609 * port mode port1 has COS0-2 that can be used for WFQ.
610 */
611 if (0 == port) {
612 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
613 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
614 } else {
615 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
616 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
617 }
618
619 for (i = 0; i < max_cos; i++)
620 REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
621}
622
623/******************************************************************************
624* Description:
625* Will return the PBF ETS registers to init values.Except
626* credit_upper_bound.
627* That isn't used in this configuration (No WFQ is enabled) and will be
628* configured acording to spec
629*.
630******************************************************************************/
631static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
632{
633 struct bnx2x *bp = params->bp;
634 const u8 port = params->port;
635 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
636 u8 i = 0;
637 u32 base_weight = 0;
638 u8 max_cos = 0;
639
640 /**
641 * mapping between entry priority to client number 0 - COS0
642 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
643 * TODO_ETS - Should be done by reset value or init tool
644 */
645 if (port)
646 /* 0x688 (|011|0 10|00 1|000) */
647 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
648 else
649 /* (10 1|100 |011|0 10|00 1|000) */
650 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
651
652 /* TODO_ETS - Should be done by reset value or init tool */
653 if (port)
654 /* 0x688 (|011|0 10|00 1|000)*/
655 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
656 else
657 /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
658 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
659
660 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
661 PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
662
663
664 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
665 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
666
667 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
668 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
669 /**
670 * In 2 port mode port0 has COS0-5 that can be used for WFQ.
671 * In 4 port mode port1 has COS0-2 that can be used for WFQ.
672 */
673 if (0 == port) {
674 base_weight = PBF_REG_COS0_WEIGHT_P0;
675 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
676 } else {
677 base_weight = PBF_REG_COS0_WEIGHT_P1;
678 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
679 }
680
681 for (i = 0; i < max_cos; i++)
682 REG_WR(bp, base_weight + (0x4 * i), 0);
683
684 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
685}
686/******************************************************************************
687* Description:
688* E3B0 disable will return basicly the values to init values.
689*.
690******************************************************************************/
691static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
692 const struct link_vars *vars)
693{
694 struct bnx2x *bp = params->bp;
695
696 if (!CHIP_IS_E3B0(bp)) {
697 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_disabled the chip isn't E3B0"
698 "\n");
699 return -EINVAL;
700 }
701
702 bnx2x_ets_e3b0_nig_disabled(params, vars);
703
704 bnx2x_ets_e3b0_pbf_disabled(params);
705
706 return 0;
707}
708
709/******************************************************************************
710* Description:
711* Disable will return basicly the values to init values.
712*.
713******************************************************************************/
714int bnx2x_ets_disabled(struct link_params *params,
715 struct link_vars *vars)
716{
717 struct bnx2x *bp = params->bp;
718 int bnx2x_status = 0;
719
720 if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
721 bnx2x_ets_e2e3a0_disabled(params);
722 else if (CHIP_IS_E3B0(bp))
723 bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
724 else {
725 DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
726 return -EINVAL;
727 }
728
729 return bnx2x_status;
730}
731
732/******************************************************************************
733* Description
734* Set the COS mappimg to SP and BW until this point all the COS are not
735* set as SP or BW.
736******************************************************************************/
737static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
738 const struct bnx2x_ets_params *ets_params,
739 const u8 cos_sp_bitmap,
740 const u8 cos_bw_bitmap)
741{
742 struct bnx2x *bp = params->bp;
743 const u8 port = params->port;
744 const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
745 const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
746 const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
747 const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
748
749 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
750 NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
751
752 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
753 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
754
755 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
756 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
757 nig_cli_subject2wfq_bitmap);
758
759 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
760 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
761 pbf_cli_subject2wfq_bitmap);
762
763 return 0;
764}
765
766/******************************************************************************
767* Description:
768* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
769* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
770******************************************************************************/
771static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
772 const u8 cos_entry,
773 const u32 min_w_val_nig,
774 const u32 min_w_val_pbf,
775 const u16 total_bw,
776 const u8 bw,
777 const u8 port)
778{
779 u32 nig_reg_adress_crd_weight = 0;
780 u32 pbf_reg_adress_crd_weight = 0;
781 /* Calculate and set BW for this COS*/
782 const u32 cos_bw_nig = (bw * min_w_val_nig) / total_bw;
783 const u32 cos_bw_pbf = (bw * min_w_val_pbf) / total_bw;
784
785 switch (cos_entry) {
786 case 0:
787 nig_reg_adress_crd_weight =
788 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
789 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
790 pbf_reg_adress_crd_weight = (port) ?
791 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
792 break;
793 case 1:
794 nig_reg_adress_crd_weight = (port) ?
795 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
796 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
797 pbf_reg_adress_crd_weight = (port) ?
798 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
799 break;
800 case 2:
801 nig_reg_adress_crd_weight = (port) ?
802 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
803 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
804
805 pbf_reg_adress_crd_weight = (port) ?
806 PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
807 break;
808 case 3:
809 if (port)
810 return -EINVAL;
811 nig_reg_adress_crd_weight =
812 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
813 pbf_reg_adress_crd_weight =
814 PBF_REG_COS3_WEIGHT_P0;
815 break;
816 case 4:
817 if (port)
818 return -EINVAL;
819 nig_reg_adress_crd_weight =
820 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
821 pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
822 break;
823 case 5:
824 if (port)
825 return -EINVAL;
826 nig_reg_adress_crd_weight =
827 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
828 pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
829 break;
830 }
831
832 REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
833
834 REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
835
836 return 0;
837}
838/******************************************************************************
839* Description:
840* Calculate the total BW.A value of 0 isn't legal.
841*.
842******************************************************************************/
843static int bnx2x_ets_e3b0_get_total_bw(
844 const struct link_params *params,
845 const struct bnx2x_ets_params *ets_params,
846 u16 *total_bw)
847{
848 struct bnx2x *bp = params->bp;
849 u8 cos_idx = 0;
850
851 *total_bw = 0 ;
852 /* Calculate total BW requested */
853 for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
854 if (bnx2x_cos_state_bw == ets_params->cos[cos_idx].state) {
855
856 if (0 == ets_params->cos[cos_idx].params.bw_params.bw) {
857 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
858 "was set to 0\n");
859 return -EINVAL;
860 }
861 *total_bw +=
862 ets_params->cos[cos_idx].params.bw_params.bw;
863 }
864 }
865
866 /*Check taotl BW is valid */
867 if ((100 != *total_bw) || (0 == *total_bw)) {
868 if (0 == *total_bw) {
869 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config toatl BW"
870 "shouldn't be 0\n");
871 return -EINVAL;
872 }
873 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config toatl BW should be"
874 "100\n");
875 /**
876 * We can handle a case whre the BW isn't 100 this can happen
877 * if the TC are joined.
878 */
879 }
880 return 0;
881}
882
883/******************************************************************************
884* Description:
885* Invalidate all the sp_pri_to_cos.
886*.
887******************************************************************************/
888static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
889{
890 u8 pri = 0;
891 for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
892 sp_pri_to_cos[pri] = DCBX_INVALID_COS;
893}
894/******************************************************************************
895* Description:
896* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
897* according to sp_pri_to_cos.
898*.
899******************************************************************************/
900static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
901 u8 *sp_pri_to_cos, const u8 pri,
902 const u8 cos_entry)
903{
904 struct bnx2x *bp = params->bp;
905 const u8 port = params->port;
906 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
907 DCBX_E3B0_MAX_NUM_COS_PORT0;
908
909 if (DCBX_INVALID_COS != sp_pri_to_cos[pri]) {
910 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
911 "parameter There can't be two COS's with"
912 "the same strict pri\n");
913 return -EINVAL;
914 }
915
916 if (pri > max_num_of_cos) {
917 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid"
918 "parameter Illegal strict priority\n");
919 return -EINVAL;
920 }
921
922 sp_pri_to_cos[pri] = cos_entry;
923 return 0;
924
925}
926
927/******************************************************************************
928* Description:
929* Returns the correct value according to COS and priority in
930* the sp_pri_cli register.
931*.
932******************************************************************************/
933static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
934 const u8 pri_set,
935 const u8 pri_offset,
936 const u8 entry_size)
937{
938 u64 pri_cli_nig = 0;
939 pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
940 (pri_set + pri_offset));
941
942 return pri_cli_nig;
943}
944/******************************************************************************
945* Description:
946* Returns the correct value according to COS and priority in the
947* sp_pri_cli register for NIG.
948*.
949******************************************************************************/
950static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
951{
952 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
953 const u8 nig_cos_offset = 3;
954 const u8 nig_pri_offset = 3;
955
956 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
957 nig_pri_offset, 4);
958
959}
960/******************************************************************************
961* Description:
962* Returns the correct value according to COS and priority in the
963* sp_pri_cli register for PBF.
964*.
965******************************************************************************/
966static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
967{
968 const u8 pbf_cos_offset = 0;
969 const u8 pbf_pri_offset = 0;
970
971 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
972 pbf_pri_offset, 3);
973
974}
975
976/******************************************************************************
977* Description:
978* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
979* according to sp_pri_to_cos.(which COS has higher priority)
980*.
981******************************************************************************/
982static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
983 u8 *sp_pri_to_cos)
984{
985 struct bnx2x *bp = params->bp;
986 u8 i = 0;
987 const u8 port = params->port;
988 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
989 u64 pri_cli_nig = 0x210;
990 u32 pri_cli_pbf = 0x0;
991 u8 pri_set = 0;
992 u8 pri_bitmask = 0;
993 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
994 DCBX_E3B0_MAX_NUM_COS_PORT0;
995
996 u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
997
998 /* Set all the strict priority first */
999 for (i = 0; i < max_num_of_cos; i++) {
1000 if (DCBX_INVALID_COS != sp_pri_to_cos[i]) {
1001 if (DCBX_MAX_NUM_COS <= sp_pri_to_cos[i]) {
1002 DP(NETIF_MSG_LINK,
1003 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1004 "invalid cos entry\n");
1005 return -EINVAL;
1006 }
1007
1008 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1009 sp_pri_to_cos[i], pri_set);
1010
1011 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1012 sp_pri_to_cos[i], pri_set);
1013 pri_bitmask = 1 << sp_pri_to_cos[i];
1014 /* COS is used remove it from bitmap.*/
1015 if (0 == (pri_bitmask & cos_bit_to_set)) {
1016 DP(NETIF_MSG_LINK,
1017 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1018 "invalid There can't be two COS's with"
1019 " the same strict pri\n");
1020 return -EINVAL;
1021 }
1022 cos_bit_to_set &= ~pri_bitmask;
1023 pri_set++;
1024 }
1025 }
1026
1027 /* Set all the Non strict priority i= COS*/
1028 for (i = 0; i < max_num_of_cos; i++) {
1029 pri_bitmask = 1 << i;
1030 /* Check if COS was already used for SP */
1031 if (pri_bitmask & cos_bit_to_set) {
1032 /* COS wasn't used for SP */
1033 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1034 i, pri_set);
1035
1036 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1037 i, pri_set);
1038 /* COS is used remove it from bitmap.*/
1039 cos_bit_to_set &= ~pri_bitmask;
1040 pri_set++;
1041 }
1042 }
1043
1044 if (pri_set != max_num_of_cos) {
1045 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
1046 "entries were set\n");
1047 return -EINVAL;
1048 }
1049
1050 if (port) {
1051 /* Only 6 usable clients*/
1052 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1053 (u32)pri_cli_nig);
1054
1055 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
1056 } else {
1057 /* Only 9 usable clients*/
1058 const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
1059 const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
1060
1061 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1062 pri_cli_nig_lsb);
1063 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1064 pri_cli_nig_msb);
1065
1066 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
1067 }
1068 return 0;
1069}
1070
1071/******************************************************************************
1072* Description:
1073* Configure the COS to ETS according to BW and SP settings.
1074******************************************************************************/
1075int bnx2x_ets_e3b0_config(const struct link_params *params,
1076 const struct link_vars *vars,
1077 const struct bnx2x_ets_params *ets_params)
1078{
1079 struct bnx2x *bp = params->bp;
1080 int bnx2x_status = 0;
1081 const u8 port = params->port;
1082 u16 total_bw = 0;
1083 const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
1084 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
1085 u8 cos_bw_bitmap = 0;
1086 u8 cos_sp_bitmap = 0;
1087 u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
1088 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1089 DCBX_E3B0_MAX_NUM_COS_PORT0;
1090 u8 cos_entry = 0;
1091
1092 if (!CHIP_IS_E3B0(bp)) {
1093 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_disabled the chip isn't E3B0"
1094 "\n");
1095 return -EINVAL;
1096 }
1097
1098 if ((ets_params->num_of_cos > max_num_of_cos)) {
1099 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
1100 "isn't supported\n");
1101 return -EINVAL;
1102 }
1103
1104 /* Prepare sp strict priority parameters*/
1105 bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1106
1107 /* Prepare BW parameters*/
1108 bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
1109 &total_bw);
1110 if (0 != bnx2x_status) {
1111 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config get_total_bw failed "
1112 "\n");
1113 return -EINVAL;
1114 }
1115
1116 /**
1117 * Upper bound is set according to current link speed (min_w_val
1118 * should be the same for upper bound and COS credit val).
1119 */
1120 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
1121 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1122
1123
1124 for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
1125 if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
1126 cos_bw_bitmap |= (1 << cos_entry);
1127 /**
1128 * The function also sets the BW in HW(not the mappin
1129 * yet)
1130 */
1131 bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
1132 bp, cos_entry, min_w_val_nig, min_w_val_pbf,
1133 total_bw,
1134 ets_params->cos[cos_entry].params.bw_params.bw,
1135 port);
1136 } else if (bnx2x_cos_state_strict ==
1137 ets_params->cos[cos_entry].state){
1138 cos_sp_bitmap |= (1 << cos_entry);
1139
1140 bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
1141 params,
1142 sp_pri_to_cos,
1143 ets_params->cos[cos_entry].params.sp_params.pri,
1144 cos_entry);
1145
1146 } else {
1147 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_config cos state not"
1148 " valid\n");
1149 return -EINVAL;
1150 }
1151 if (0 != bnx2x_status) {
1152 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_config set cos bw "
1153 "failed\n");
1154 return bnx2x_status;
1155 }
1156 }
1157
1158 /* Set SP register (which COS has higher priority) */
1159 bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
1160 sp_pri_to_cos);
1161
1162 if (0 != bnx2x_status) {
1163 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config set_pri_cli_reg "
1164 "failed\n");
1165 return bnx2x_status;
1166 }
1167
1168 /* Set client mapping of BW and strict */
1169 bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
1170 cos_sp_bitmap,
1171 cos_bw_bitmap);
1172
1173 if (0 != bnx2x_status) {
1174 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
1175 return bnx2x_status;
1176 }
1177 return 0;
1178}
Yaniv Rosner65a001b2011-01-31 04:22:03 +00001179static void bnx2x_ets_bw_limit_common(const struct link_params *params)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001180{
1181 /* ETS disabled configuration */
1182 struct bnx2x *bp = params->bp;
1183 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001184 /*
1185 * defines which entries (clients) are subjected to WFQ arbitration
1186 * COS0 0x8
1187 * COS1 0x10
1188 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001189 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001190 /*
1191 * mapping between the ARB_CREDIT_WEIGHT registers and actual
1192 * client numbers (WEIGHT_0 does not actually have to represent
1193 * client 0)
1194 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1195 * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
1196 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001197 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
1198
1199 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
1200 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1201 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
1202 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1203
1204 /* ETS mode enabled*/
1205 REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
1206
1207 /* Defines the number of consecutive slots for the strict priority */
1208 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001209 /*
1210 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
1211 * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
1212 * entry, 4 - COS1 entry.
1213 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1214 * bit4 bit3 bit2 bit1 bit0
1215 * MCP and debug are strict
1216 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001217 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
1218
1219 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
1220 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
1221 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1222 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
1223 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1224}
1225
1226void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
1227 const u32 cos1_bw)
1228{
1229 /* ETS disabled configuration*/
1230 struct bnx2x *bp = params->bp;
1231 const u32 total_bw = cos0_bw + cos1_bw;
1232 u32 cos0_credit_weight = 0;
1233 u32 cos1_credit_weight = 0;
1234
1235 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1236
1237 if ((0 == total_bw) ||
1238 (0 == cos0_bw) ||
1239 (0 == cos1_bw)) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001240 DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001241 return;
1242 }
1243
1244 cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1245 total_bw;
1246 cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1247 total_bw;
1248
1249 bnx2x_ets_bw_limit_common(params);
1250
1251 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
1252 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
1253
1254 REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
1255 REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
1256}
1257
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001258int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001259{
1260 /* ETS disabled configuration*/
1261 struct bnx2x *bp = params->bp;
1262 u32 val = 0;
1263
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001264 DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001265 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001266 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
1267 * as strict. Bits 0,1,2 - debug and management entries,
1268 * 3 - COS0 entry, 4 - COS1 entry.
1269 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1270 * bit4 bit3 bit2 bit1 bit0
1271 * MCP and debug are strict
1272 */
1273 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001274 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001275 * For strict priority entries defines the number of consecutive slots
1276 * for the highest priority.
1277 */
1278 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1279 /* ETS mode disable */
1280 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
1281 /* Defines the number of consecutive slots for the strict priority */
1282 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
1283
1284 /* Defines the number of consecutive slots for the strict priority */
1285 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
1286
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001287 /*
1288 * mapping between entry priority to client number (0,1,2 -debug and
1289 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
1290 * 3bits client num.
1291 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1292 * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
1293 * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
1294 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001295 val = (0 == strict_cos) ? 0x2318 : 0x22E0;
1296 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
1297
1298 return 0;
1299}
1300/******************************************************************/
Dmitry Kravkove8920672011-05-04 23:52:40 +00001301/* PFC section */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001302/******************************************************************/
1303
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001304static void bnx2x_update_pfc_xmac(struct link_params *params,
1305 struct link_vars *vars,
1306 u8 is_lb)
1307{
1308 struct bnx2x *bp = params->bp;
1309 u32 xmac_base;
1310 u32 pause_val, pfc0_val, pfc1_val;
1311
1312 /* XMAC base adrr */
1313 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1314
1315 /* Initialize pause and pfc registers */
1316 pause_val = 0x18000;
1317 pfc0_val = 0xFFFF8000;
1318 pfc1_val = 0x2;
1319
1320 /* No PFC support */
1321 if (!(params->feature_config_flags &
1322 FEATURE_CONFIG_PFC_ENABLED)) {
1323
1324 /*
1325 * RX flow control - Process pause frame in receive direction
1326 */
1327 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1328 pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
1329
1330 /*
1331 * TX flow control - Send pause packet when buffer is full
1332 */
1333 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1334 pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
1335 } else {/* PFC support */
1336 pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
1337 XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
1338 XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
1339 XMAC_PFC_CTRL_HI_REG_TX_PFC_EN;
1340 }
1341
1342 /* Write pause and PFC registers */
1343 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1344 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1345 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1346
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001347
1348 /* Set MAC address for source TX Pause/PFC frames */
1349 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
1350 ((params->mac_addr[2] << 24) |
1351 (params->mac_addr[3] << 16) |
1352 (params->mac_addr[4] << 8) |
1353 (params->mac_addr[5])));
1354 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
1355 ((params->mac_addr[0] << 8) |
1356 (params->mac_addr[1])));
1357
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001358 udelay(30);
1359}
1360
1361
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001362static void bnx2x_emac_get_pfc_stat(struct link_params *params,
1363 u32 pfc_frames_sent[2],
1364 u32 pfc_frames_received[2])
1365{
1366 /* Read pfc statistic */
1367 struct bnx2x *bp = params->bp;
1368 u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1369 u32 val_xon = 0;
1370 u32 val_xoff = 0;
1371
1372 DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
1373
1374 /* PFC received frames */
1375 val_xoff = REG_RD(bp, emac_base +
1376 EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
1377 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
1378 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
1379 val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
1380
1381 pfc_frames_received[0] = val_xon + val_xoff;
1382
1383 /* PFC received sent */
1384 val_xoff = REG_RD(bp, emac_base +
1385 EMAC_REG_RX_PFC_STATS_XOFF_SENT);
1386 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
1387 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
1388 val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
1389
1390 pfc_frames_sent[0] = val_xon + val_xoff;
1391}
1392
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001393/* Read pfc statistic*/
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001394void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
1395 u32 pfc_frames_sent[2],
1396 u32 pfc_frames_received[2])
1397{
1398 /* Read pfc statistic */
1399 struct bnx2x *bp = params->bp;
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001400
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001401 DP(NETIF_MSG_LINK, "pfc statistic\n");
1402
1403 if (!vars->link_up)
1404 return;
1405
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001406 if (MAC_TYPE_EMAC == vars->mac_type) {
1407 DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001408 bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
1409 pfc_frames_received);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001410 }
1411}
1412/******************************************************************/
1413/* MAC/PBF section */
1414/******************************************************************/
Yaniv Rosnera198c142011-05-31 21:29:42 +00001415static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
1416{
1417 u32 mode, emac_base;
1418 /**
1419 * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
1420 * (a value of 49==0x31) and make sure that the AUTO poll is off
1421 */
1422
1423 if (CHIP_IS_E2(bp))
1424 emac_base = GRCBASE_EMAC0;
1425 else
1426 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1427 mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
1428 mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
1429 EMAC_MDIO_MODE_CLOCK_CNT);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00001430 if (USES_WARPCORE(bp))
1431 mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
1432 else
1433 mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
Yaniv Rosnera198c142011-05-31 21:29:42 +00001434
1435 mode |= (EMAC_MDIO_MODE_CLAUSE_45);
1436 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
1437
1438 udelay(40);
1439}
1440
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001441static void bnx2x_emac_init(struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001442 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001443{
1444 /* reset and unreset the emac core */
1445 struct bnx2x *bp = params->bp;
1446 u8 port = params->port;
1447 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1448 u32 val;
1449 u16 timeout;
1450
1451 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001452 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001453 udelay(5);
1454 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001455 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001456
1457 /* init emac - use read-modify-write */
1458 /* self clear reset */
1459 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
Eilon Greenstein3196a882008-08-13 15:58:49 -07001460 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001461
1462 timeout = 200;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001463 do {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001464 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1465 DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
1466 if (!timeout) {
1467 DP(NETIF_MSG_LINK, "EMAC timeout!\n");
1468 return;
1469 }
1470 timeout--;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001471 } while (val & EMAC_MODE_RESET);
Yaniv Rosnera198c142011-05-31 21:29:42 +00001472 bnx2x_set_mdio_clk(bp, params->chip_id, port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001473 /* Set mac address */
1474 val = ((params->mac_addr[0] << 8) |
1475 params->mac_addr[1]);
Eilon Greenstein3196a882008-08-13 15:58:49 -07001476 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001477
1478 val = ((params->mac_addr[2] << 24) |
1479 (params->mac_addr[3] << 16) |
1480 (params->mac_addr[4] << 8) |
1481 params->mac_addr[5]);
Eilon Greenstein3196a882008-08-13 15:58:49 -07001482 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001483}
1484
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001485static void bnx2x_set_xumac_nig(struct link_params *params,
1486 u16 tx_pause_en,
1487 u8 enable)
1488{
1489 struct bnx2x *bp = params->bp;
1490
1491 REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
1492 enable);
1493 REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
1494 enable);
1495 REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
1496 NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
1497}
1498
1499static void bnx2x_umac_enable(struct link_params *params,
1500 struct link_vars *vars, u8 lb)
1501{
1502 u32 val;
1503 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1504 struct bnx2x *bp = params->bp;
1505 /* Reset UMAC */
1506 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1507 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1508 usleep_range(1000, 1000);
1509
1510 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1511 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1512
1513 DP(NETIF_MSG_LINK, "enabling UMAC\n");
1514
1515 /**
1516 * This register determines on which events the MAC will assert
1517 * error on the i/f to the NIG along w/ EOP.
1518 */
1519
1520 /**
1521 * BD REG_WR(bp, NIG_REG_P0_MAC_RSV_ERR_MASK +
1522 * params->port*0x14, 0xfffff.
1523 */
1524 /* This register opens the gate for the UMAC despite its name */
1525 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
1526
1527 val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
1528 UMAC_COMMAND_CONFIG_REG_PAD_EN |
1529 UMAC_COMMAND_CONFIG_REG_SW_RESET |
1530 UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
1531 switch (vars->line_speed) {
1532 case SPEED_10:
1533 val |= (0<<2);
1534 break;
1535 case SPEED_100:
1536 val |= (1<<2);
1537 break;
1538 case SPEED_1000:
1539 val |= (2<<2);
1540 break;
1541 case SPEED_2500:
1542 val |= (3<<2);
1543 break;
1544 default:
1545 DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
1546 vars->line_speed);
1547 break;
1548 }
1549 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1550 udelay(50);
1551
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001552 /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
1553 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
1554 ((params->mac_addr[2] << 24) |
1555 (params->mac_addr[3] << 16) |
1556 (params->mac_addr[4] << 8) |
1557 (params->mac_addr[5])));
1558 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
1559 ((params->mac_addr[0] << 8) |
1560 (params->mac_addr[1])));
1561
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001562 /* Enable RX and TX */
1563 val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
1564 val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00001565 UMAC_COMMAND_CONFIG_REG_RX_ENA;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001566 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1567 udelay(50);
1568
1569 /* Remove SW Reset */
1570 val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
1571
1572 /* Check loopback mode */
1573 if (lb)
1574 val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
1575 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1576
1577 /*
1578 * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
1579 * length used by the MAC receive logic to check frames.
1580 */
1581 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
1582 bnx2x_set_xumac_nig(params,
1583 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1584 vars->mac_type = MAC_TYPE_UMAC;
1585
1586}
1587
1588static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
1589{
1590 u32 port4mode_ovwr_val;
1591 /* Check 4-port override enabled */
1592 port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
1593 if (port4mode_ovwr_val & (1<<0)) {
1594 /* Return 4-port mode override value */
1595 return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
1596 }
1597 /* Return 4-port mode from input pin */
1598 return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
1599}
1600
1601/* Define the XMAC mode */
1602static void bnx2x_xmac_init(struct bnx2x *bp, u32 max_speed)
1603{
1604 u32 is_port4mode = bnx2x_is_4_port_mode(bp);
1605
1606 /**
1607 * In 4-port mode, need to set the mode only once, so if XMAC is
1608 * already out of reset, it means the mode has already been set,
1609 * and it must not* reset the XMAC again, since it controls both
1610 * ports of the path
1611 **/
1612
1613 if (is_port4mode && (REG_RD(bp, MISC_REG_RESET_REG_2) &
1614 MISC_REGISTERS_RESET_REG_2_XMAC)) {
1615 DP(NETIF_MSG_LINK, "XMAC already out of reset"
1616 " in 4-port mode\n");
1617 return;
1618 }
1619
1620 /* Hard reset */
1621 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1622 MISC_REGISTERS_RESET_REG_2_XMAC);
1623 usleep_range(1000, 1000);
1624
1625 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1626 MISC_REGISTERS_RESET_REG_2_XMAC);
1627 if (is_port4mode) {
1628 DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
1629
1630 /* Set the number of ports on the system side to up to 2 */
1631 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
1632
1633 /* Set the number of ports on the Warp Core to 10G */
1634 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1635 } else {
1636 /* Set the number of ports on the system side to 1 */
1637 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
1638 if (max_speed == SPEED_10000) {
1639 DP(NETIF_MSG_LINK, "Init XMAC to 10G x 1"
1640 " port per path\n");
1641 /* Set the number of ports on the Warp Core to 10G */
1642 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1643 } else {
1644 DP(NETIF_MSG_LINK, "Init XMAC to 20G x 2 ports"
1645 " per path\n");
1646 /* Set the number of ports on the Warp Core to 20G */
1647 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
1648 }
1649 }
1650 /* Soft reset */
1651 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1652 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1653 usleep_range(1000, 1000);
1654
1655 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1656 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1657
1658}
1659
1660static void bnx2x_xmac_disable(struct link_params *params)
1661{
1662 u8 port = params->port;
1663 struct bnx2x *bp = params->bp;
1664 u32 xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1665
1666 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1667 MISC_REGISTERS_RESET_REG_2_XMAC) {
1668 DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
1669 REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
1670 usleep_range(1000, 1000);
1671 bnx2x_set_xumac_nig(params, 0, 0);
1672 REG_WR(bp, xmac_base + XMAC_REG_CTRL,
1673 XMAC_CTRL_REG_SOFT_RESET);
1674 }
1675}
1676
1677static int bnx2x_xmac_enable(struct link_params *params,
1678 struct link_vars *vars, u8 lb)
1679{
1680 u32 val, xmac_base;
1681 struct bnx2x *bp = params->bp;
1682 DP(NETIF_MSG_LINK, "enabling XMAC\n");
1683
1684 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1685
1686 bnx2x_xmac_init(bp, vars->line_speed);
1687
1688 /*
1689 * This register determines on which events the MAC will assert
1690 * error on the i/f to the NIG along w/ EOP.
1691 */
1692
1693 /*
1694 * This register tells the NIG whether to send traffic to UMAC
1695 * or XMAC
1696 */
1697 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
1698
1699 /* Set Max packet size */
1700 REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
1701
1702 /* CRC append for Tx packets */
1703 REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
1704
1705 /* update PFC */
1706 bnx2x_update_pfc_xmac(params, vars, 0);
1707
1708 /* Enable TX and RX */
1709 val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
1710
1711 /* Check loopback mode */
1712 if (lb)
1713 val |= XMAC_CTRL_REG_CORE_LOCAL_LPBK;
1714 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1715 bnx2x_set_xumac_nig(params,
1716 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1717
1718 vars->mac_type = MAC_TYPE_XMAC;
1719
1720 return 0;
1721}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001722static int bnx2x_emac_enable(struct link_params *params,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00001723 struct link_vars *vars, u8 lb)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001724{
1725 struct bnx2x *bp = params->bp;
1726 u8 port = params->port;
1727 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1728 u32 val;
1729
1730 DP(NETIF_MSG_LINK, "enabling EMAC\n");
1731
1732 /* enable emac and not bmac */
1733 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
1734
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001735 /* ASIC */
1736 if (vars->phy_flags & PHY_XGXS_FLAG) {
1737 u32 ser_lane = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001738 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1739 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001740
1741 DP(NETIF_MSG_LINK, "XGXS\n");
1742 /* select the master lanes (out of 0-3) */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001743 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001744 /* select XGXS */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001745 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001746
1747 } else { /* SerDes */
1748 DP(NETIF_MSG_LINK, "SerDes\n");
1749 /* select SerDes */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001750 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001751 }
1752
Eilon Greenstein811a2f22009-02-12 08:37:04 +00001753 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001754 EMAC_RX_MODE_RESET);
Eilon Greenstein811a2f22009-02-12 08:37:04 +00001755 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001756 EMAC_TX_MODE_RESET);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001757
1758 if (CHIP_REV_IS_SLOW(bp)) {
1759 /* config GMII mode */
1760 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001761 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001762 } else { /* ASIC */
1763 /* pause enable/disable */
1764 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1765 EMAC_RX_MODE_FLOW_EN);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001766
1767 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001768 (EMAC_TX_MODE_EXT_PAUSE_EN |
1769 EMAC_TX_MODE_FLOW_EN));
1770 if (!(params->feature_config_flags &
1771 FEATURE_CONFIG_PFC_ENABLED)) {
1772 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1773 bnx2x_bits_en(bp, emac_base +
1774 EMAC_REG_EMAC_RX_MODE,
1775 EMAC_RX_MODE_FLOW_EN);
1776
1777 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1778 bnx2x_bits_en(bp, emac_base +
1779 EMAC_REG_EMAC_TX_MODE,
1780 (EMAC_TX_MODE_EXT_PAUSE_EN |
1781 EMAC_TX_MODE_FLOW_EN));
1782 } else
1783 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1784 EMAC_TX_MODE_FLOW_EN);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001785 }
1786
1787 /* KEEP_VLAN_TAG, promiscuous */
1788 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
1789 val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001790
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001791 /*
1792 * Setting this bit causes MAC control frames (except for pause
1793 * frames) to be passed on for processing. This setting has no
1794 * affect on the operation of the pause frames. This bit effects
1795 * all packets regardless of RX Parser packet sorting logic.
1796 * Turn the PFC off to make sure we are in Xon state before
1797 * enabling it.
1798 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001799 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
1800 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1801 DP(NETIF_MSG_LINK, "PFC is enabled\n");
1802 /* Enable PFC again */
1803 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
1804 EMAC_REG_RX_PFC_MODE_RX_EN |
1805 EMAC_REG_RX_PFC_MODE_TX_EN |
1806 EMAC_REG_RX_PFC_MODE_PRIORITIES);
1807
1808 EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
1809 ((0x0101 <<
1810 EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
1811 (0x00ff <<
1812 EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
1813 val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
1814 }
Eilon Greenstein3196a882008-08-13 15:58:49 -07001815 EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001816
1817 /* Set Loopback */
1818 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1819 if (lb)
1820 val |= 0x810;
1821 else
1822 val &= ~0x810;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001823 EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001824
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001825 /* enable emac */
1826 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
1827
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001828 /* enable emac for jumbo packets */
Eilon Greenstein3196a882008-08-13 15:58:49 -07001829 EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001830 (EMAC_RX_MTU_SIZE_JUMBO_ENA |
1831 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
1832
1833 /* strip CRC */
1834 REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
1835
1836 /* disable the NIG in/out to the bmac */
1837 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
1838 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
1839 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
1840
1841 /* enable the NIG in/out to the emac */
1842 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
1843 val = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001844 if ((params->feature_config_flags &
1845 FEATURE_CONFIG_PFC_ENABLED) ||
1846 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001847 val = 1;
1848
1849 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
1850 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
1851
Yaniv Rosner02a23162011-01-31 04:22:53 +00001852 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001853
1854 vars->mac_type = MAC_TYPE_EMAC;
1855 return 0;
1856}
1857
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001858static void bnx2x_update_pfc_bmac1(struct link_params *params,
1859 struct link_vars *vars)
1860{
1861 u32 wb_data[2];
1862 struct bnx2x *bp = params->bp;
1863 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1864 NIG_REG_INGRESS_BMAC0_MEM;
1865
1866 u32 val = 0x14;
1867 if ((!(params->feature_config_flags &
1868 FEATURE_CONFIG_PFC_ENABLED)) &&
1869 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1870 /* Enable BigMAC to react on received Pause packets */
1871 val |= (1<<5);
1872 wb_data[0] = val;
1873 wb_data[1] = 0;
1874 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
1875
1876 /* tx control */
1877 val = 0xc0;
1878 if (!(params->feature_config_flags &
1879 FEATURE_CONFIG_PFC_ENABLED) &&
1880 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1881 val |= 0x800000;
1882 wb_data[0] = val;
1883 wb_data[1] = 0;
1884 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
1885}
1886
1887static void bnx2x_update_pfc_bmac2(struct link_params *params,
1888 struct link_vars *vars,
1889 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001890{
1891 /*
1892 * Set rx control: Strip CRC and enable BigMAC to relay
1893 * control packets to the system as well
1894 */
1895 u32 wb_data[2];
1896 struct bnx2x *bp = params->bp;
1897 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1898 NIG_REG_INGRESS_BMAC0_MEM;
1899 u32 val = 0x14;
1900
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001901 if ((!(params->feature_config_flags &
1902 FEATURE_CONFIG_PFC_ENABLED)) &&
1903 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001904 /* Enable BigMAC to react on received Pause packets */
1905 val |= (1<<5);
1906 wb_data[0] = val;
1907 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001908 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001909 udelay(30);
1910
1911 /* Tx control */
1912 val = 0xc0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001913 if (!(params->feature_config_flags &
1914 FEATURE_CONFIG_PFC_ENABLED) &&
1915 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001916 val |= 0x800000;
1917 wb_data[0] = val;
1918 wb_data[1] = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001919 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001920
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001921 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1922 DP(NETIF_MSG_LINK, "PFC is enabled\n");
1923 /* Enable PFC RX & TX & STATS and set 8 COS */
1924 wb_data[0] = 0x0;
1925 wb_data[0] |= (1<<0); /* RX */
1926 wb_data[0] |= (1<<1); /* TX */
1927 wb_data[0] |= (1<<2); /* Force initial Xon */
1928 wb_data[0] |= (1<<3); /* 8 cos */
1929 wb_data[0] |= (1<<5); /* STATS */
1930 wb_data[1] = 0;
1931 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
1932 wb_data, 2);
1933 /* Clear the force Xon */
1934 wb_data[0] &= ~(1<<2);
1935 } else {
1936 DP(NETIF_MSG_LINK, "PFC is disabled\n");
1937 /* disable PFC RX & TX & STATS and set 8 COS */
1938 wb_data[0] = 0x8;
1939 wb_data[1] = 0;
1940 }
1941
1942 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
1943
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001944 /*
1945 * Set Time (based unit is 512 bit time) between automatic
1946 * re-sending of PP packets amd enable automatic re-send of
1947 * Per-Priroity Packet as long as pp_gen is asserted and
1948 * pp_disable is low.
1949 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001950 val = 0x8000;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001951 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
1952 val |= (1<<16); /* enable automatic re-send */
1953
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001954 wb_data[0] = val;
1955 wb_data[1] = 0;
1956 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001957 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001958
1959 /* mac control */
1960 val = 0x3; /* Enable RX and TX */
1961 if (is_lb) {
1962 val |= 0x4; /* Local loopback */
1963 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
1964 }
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001965 /* When PFC enabled, Pass pause frames towards the NIG. */
1966 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
1967 val |= ((1<<6)|(1<<5));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001968
1969 wb_data[0] = val;
1970 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001971 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001972}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001973
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001974
1975/* PFC BRB internal port configuration params */
1976struct bnx2x_pfc_brb_threshold_val {
1977 u32 pause_xoff;
1978 u32 pause_xon;
1979 u32 full_xoff;
1980 u32 full_xon;
1981};
1982
1983struct bnx2x_pfc_brb_e3b0_val {
1984 u32 full_lb_xoff_th;
1985 u32 full_lb_xon_threshold;
1986 u32 lb_guarantied;
1987 u32 mac_0_class_t_guarantied;
1988 u32 mac_0_class_t_guarantied_hyst;
1989 u32 mac_1_class_t_guarantied;
1990 u32 mac_1_class_t_guarantied_hyst;
1991};
1992
1993struct bnx2x_pfc_brb_th_val {
1994 struct bnx2x_pfc_brb_threshold_val pauseable_th;
1995 struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
1996};
1997static int bnx2x_pfc_brb_get_config_params(
1998 struct link_params *params,
1999 struct bnx2x_pfc_brb_th_val *config_val)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002000{
2001 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002002 DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
2003 if (CHIP_IS_E2(bp)) {
2004 config_val->pauseable_th.pause_xoff =
2005 PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2006 config_val->pauseable_th.pause_xon =
2007 PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
2008 config_val->pauseable_th.full_xoff =
2009 PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
2010 config_val->pauseable_th.full_xon =
2011 PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
2012 /* non pause able*/
2013 config_val->non_pauseable_th.pause_xoff =
2014 PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2015 config_val->non_pauseable_th.pause_xon =
2016 PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2017 config_val->non_pauseable_th.full_xoff =
2018 PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2019 config_val->non_pauseable_th.full_xon =
2020 PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2021 } else if (CHIP_IS_E3A0(bp)) {
2022 config_val->pauseable_th.pause_xoff =
2023 PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2024 config_val->pauseable_th.pause_xon =
2025 PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
2026 config_val->pauseable_th.full_xoff =
2027 PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
2028 config_val->pauseable_th.full_xon =
2029 PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
2030 /* non pause able*/
2031 config_val->non_pauseable_th.pause_xoff =
2032 PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2033 config_val->non_pauseable_th.pause_xon =
2034 PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2035 config_val->non_pauseable_th.full_xoff =
2036 PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2037 config_val->non_pauseable_th.full_xon =
2038 PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2039 } else if (CHIP_IS_E3B0(bp)) {
2040 if (params->phy[INT_PHY].flags &
2041 FLAGS_4_PORT_MODE) {
2042 config_val->pauseable_th.pause_xoff =
2043 PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2044 config_val->pauseable_th.pause_xon =
2045 PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
2046 config_val->pauseable_th.full_xoff =
2047 PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
2048 config_val->pauseable_th.full_xon =
2049 PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
2050 /* non pause able*/
2051 config_val->non_pauseable_th.pause_xoff =
2052 PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2053 config_val->non_pauseable_th.pause_xon =
2054 PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2055 config_val->non_pauseable_th.full_xoff =
2056 PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2057 config_val->non_pauseable_th.full_xon =
2058 PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2059 } else {
2060 config_val->pauseable_th.pause_xoff =
2061 PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2062 config_val->pauseable_th.pause_xon =
2063 PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
2064 config_val->pauseable_th.full_xoff =
2065 PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
2066 config_val->pauseable_th.full_xon =
2067 PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
2068 /* non pause able*/
2069 config_val->non_pauseable_th.pause_xoff =
2070 PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2071 config_val->non_pauseable_th.pause_xon =
2072 PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2073 config_val->non_pauseable_th.full_xoff =
2074 PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2075 config_val->non_pauseable_th.full_xon =
2076 PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2077 }
2078 } else
2079 return -EINVAL;
2080
2081 return 0;
2082}
2083
2084
2085static void bnx2x_pfc_brb_get_e3b0_config_params(struct link_params *params,
2086 struct bnx2x_pfc_brb_e3b0_val
2087 *e3b0_val,
2088 u32 cos0_pauseable,
2089 u32 cos1_pauseable)
2090{
2091 if (params->phy[INT_PHY].flags & FLAGS_4_PORT_MODE) {
2092 e3b0_val->full_lb_xoff_th =
2093 PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
2094 e3b0_val->full_lb_xon_threshold =
2095 PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
2096 e3b0_val->lb_guarantied =
2097 PFC_E3B0_4P_LB_GUART;
2098 e3b0_val->mac_0_class_t_guarantied =
2099 PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
2100 e3b0_val->mac_0_class_t_guarantied_hyst =
2101 PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
2102 e3b0_val->mac_1_class_t_guarantied =
2103 PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
2104 e3b0_val->mac_1_class_t_guarantied_hyst =
2105 PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
2106 } else {
2107 e3b0_val->full_lb_xoff_th =
2108 PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
2109 e3b0_val->full_lb_xon_threshold =
2110 PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
2111 e3b0_val->mac_0_class_t_guarantied_hyst =
2112 PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
2113 e3b0_val->mac_1_class_t_guarantied =
2114 PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
2115 e3b0_val->mac_1_class_t_guarantied_hyst =
2116 PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
2117
2118 if (cos0_pauseable != cos1_pauseable) {
2119 /* nonpauseable= Lossy + pauseable = Lossless*/
2120 e3b0_val->lb_guarantied =
2121 PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
2122 e3b0_val->mac_0_class_t_guarantied =
2123 PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
2124 } else if (cos0_pauseable) {
2125 /* Lossless +Lossless*/
2126 e3b0_val->lb_guarantied =
2127 PFC_E3B0_2P_PAUSE_LB_GUART;
2128 e3b0_val->mac_0_class_t_guarantied =
2129 PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
2130 } else {
2131 /* Lossy +Lossy*/
2132 e3b0_val->lb_guarantied =
2133 PFC_E3B0_2P_NON_PAUSE_LB_GUART;
2134 e3b0_val->mac_0_class_t_guarantied =
2135 PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
2136 }
2137 }
2138}
2139static int bnx2x_update_pfc_brb(struct link_params *params,
2140 struct link_vars *vars,
2141 struct bnx2x_nig_brb_pfc_port_params
2142 *pfc_params)
2143{
2144 struct bnx2x *bp = params->bp;
2145 struct bnx2x_pfc_brb_th_val config_val = { {0} };
2146 struct bnx2x_pfc_brb_threshold_val *reg_th_config =
2147 &config_val.pauseable_th;
2148 struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002149 int set_pfc = params->feature_config_flags &
2150 FEATURE_CONFIG_PFC_ENABLED;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002151 int bnx2x_status = 0;
2152 u8 port = params->port;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002153
2154 /* default - pause configuration */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002155 reg_th_config = &config_val.pauseable_th;
2156 bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
2157 if (0 != bnx2x_status)
2158 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002159
2160 if (set_pfc && pfc_params)
2161 /* First COS */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002162 if (!pfc_params->cos0_pauseable)
2163 reg_th_config = &config_val.non_pauseable_th;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002164 /*
2165 * The number of free blocks below which the pause signal to class 0
2166 * of MAC #n is asserted. n=0,1
2167 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002168 REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
2169 BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
2170 reg_th_config->pause_xoff);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002171 /*
2172 * The number of free blocks above which the pause signal to class 0
2173 * of MAC #n is de-asserted. n=0,1
2174 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002175 REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
2176 BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002177 /*
2178 * The number of free blocks below which the full signal to class 0
2179 * of MAC #n is asserted. n=0,1
2180 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002181 REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
2182 BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002183 /*
2184 * The number of free blocks above which the full signal to class 0
2185 * of MAC #n is de-asserted. n=0,1
2186 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002187 REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
2188 BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002189
2190 if (set_pfc && pfc_params) {
2191 /* Second COS */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002192 if (pfc_params->cos1_pauseable)
2193 reg_th_config = &config_val.pauseable_th;
2194 else
2195 reg_th_config = &config_val.non_pauseable_th;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002196 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002197 * The number of free blocks below which the pause signal to
2198 * class 1 of MAC #n is asserted. n=0,1
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002199 **/
2200 REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
2201 BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
2202 reg_th_config->pause_xoff);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002203 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002204 * The number of free blocks above which the pause signal to
2205 * class 1 of MAC #n is de-asserted. n=0,1
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002206 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002207 REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
2208 BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
2209 reg_th_config->pause_xon);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002210 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002211 * The number of free blocks below which the full signal to
2212 * class 1 of MAC #n is asserted. n=0,1
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002213 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002214 REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
2215 BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
2216 reg_th_config->full_xoff);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002217 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002218 * The number of free blocks above which the full signal to
2219 * class 1 of MAC #n is de-asserted. n=0,1
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002220 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002221 REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
2222 BRB1_REG_FULL_1_XON_THRESHOLD_0,
2223 reg_th_config->full_xon);
2224
2225
2226 if (CHIP_IS_E3B0(bp)) {
2227 /*Should be done by init tool */
2228 /*
2229 * BRB_empty_for_dup = BRB1_REG_BRB_EMPTY_THRESHOLD
2230 * reset value
2231 * 944
2232 */
2233
2234 /**
2235 * The hysteresis on the guarantied buffer space for the Lb port
2236 * before signaling XON.
2237 **/
2238 REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST, 80);
2239
2240 bnx2x_pfc_brb_get_e3b0_config_params(
2241 params,
2242 &e3b0_val,
2243 pfc_params->cos0_pauseable,
2244 pfc_params->cos1_pauseable);
2245 /**
2246 * The number of free blocks below which the full signal to the
2247 * LB port is asserted.
2248 */
2249 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
2250 e3b0_val.full_lb_xoff_th);
2251 /**
2252 * The number of free blocks above which the full signal to the
2253 * LB port is de-asserted.
2254 */
2255 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
2256 e3b0_val.full_lb_xon_threshold);
2257 /**
2258 * The number of blocks guarantied for the MAC #n port. n=0,1
2259 */
2260
2261 /*The number of blocks guarantied for the LB port.*/
2262 REG_WR(bp, BRB1_REG_LB_GUARANTIED,
2263 e3b0_val.lb_guarantied);
2264
2265 /**
2266 * The number of blocks guarantied for the MAC #n port.
2267 */
2268 REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
2269 2 * e3b0_val.mac_0_class_t_guarantied);
2270 REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
2271 2 * e3b0_val.mac_1_class_t_guarantied);
2272 /**
2273 * The number of blocks guarantied for class #t in MAC0. t=0,1
2274 */
2275 REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
2276 e3b0_val.mac_0_class_t_guarantied);
2277 REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
2278 e3b0_val.mac_0_class_t_guarantied);
2279 /**
2280 * The hysteresis on the guarantied buffer space for class in
2281 * MAC0. t=0,1
2282 */
2283 REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
2284 e3b0_val.mac_0_class_t_guarantied_hyst);
2285 REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
2286 e3b0_val.mac_0_class_t_guarantied_hyst);
2287
2288 /**
2289 * The number of blocks guarantied for class #t in MAC1.t=0,1
2290 */
2291 REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
2292 e3b0_val.mac_1_class_t_guarantied);
2293 REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
2294 e3b0_val.mac_1_class_t_guarantied);
2295 /**
2296 * The hysteresis on the guarantied buffer space for class #t
2297 * in MAC1. t=0,1
2298 */
2299 REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
2300 e3b0_val.mac_1_class_t_guarantied_hyst);
2301 REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
2302 e3b0_val.mac_1_class_t_guarantied_hyst);
2303
2304 }
2305
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002306 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002307
2308 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002309}
2310
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002311/******************************************************************************
2312* Description:
2313* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2314* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2315******************************************************************************/
2316int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
2317 u8 cos_entry,
2318 u32 priority_mask, u8 port)
2319{
2320 u32 nig_reg_rx_priority_mask_add = 0;
2321
2322 switch (cos_entry) {
2323 case 0:
2324 nig_reg_rx_priority_mask_add = (port) ?
2325 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2326 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2327 break;
2328 case 1:
2329 nig_reg_rx_priority_mask_add = (port) ?
2330 NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2331 NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2332 break;
2333 case 2:
2334 nig_reg_rx_priority_mask_add = (port) ?
2335 NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2336 NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2337 break;
2338 case 3:
2339 if (port)
2340 return -EINVAL;
2341 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2342 break;
2343 case 4:
2344 if (port)
2345 return -EINVAL;
2346 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2347 break;
2348 case 5:
2349 if (port)
2350 return -EINVAL;
2351 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2352 break;
2353 }
2354
2355 REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
2356
2357 return 0;
2358}
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00002359static void bnx2x_update_mng(struct link_params *params, u32 link_status)
2360{
2361 struct bnx2x *bp = params->bp;
2362
2363 REG_WR(bp, params->shmem_base +
2364 offsetof(struct shmem_region,
2365 port_mb[params->port].link_status), link_status);
2366}
2367
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002368static void bnx2x_update_pfc_nig(struct link_params *params,
2369 struct link_vars *vars,
2370 struct bnx2x_nig_brb_pfc_port_params *nig_params)
2371{
2372 u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
2373 u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
2374 u32 pkt_priority_to_cos = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002375 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002376 u8 port = params->port;
2377
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002378 int set_pfc = params->feature_config_flags &
2379 FEATURE_CONFIG_PFC_ENABLED;
2380 DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
2381
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002382 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002383 * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
2384 * MAC control frames (that are not pause packets)
2385 * will be forwarded to the XCM.
2386 */
2387 xcm_mask = REG_RD(bp,
2388 port ? NIG_REG_LLH1_XCM_MASK :
2389 NIG_REG_LLH0_XCM_MASK);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002390 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002391 * nig params will override non PFC params, since it's possible to
2392 * do transition from PFC to SAFC
2393 */
2394 if (set_pfc) {
2395 pause_enable = 0;
2396 llfc_out_en = 0;
2397 llfc_enable = 0;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002398 if (CHIP_IS_E3(bp))
2399 ppp_enable = 0;
2400 else
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002401 ppp_enable = 1;
2402 xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2403 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2404 xcm0_out_en = 0;
2405 p0_hwpfc_enable = 1;
2406 } else {
2407 if (nig_params) {
2408 llfc_out_en = nig_params->llfc_out_en;
2409 llfc_enable = nig_params->llfc_enable;
2410 pause_enable = nig_params->pause_enable;
2411 } else /*defaul non PFC mode - PAUSE */
2412 pause_enable = 1;
2413
2414 xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2415 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2416 xcm0_out_en = 1;
2417 }
2418
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002419 if (CHIP_IS_E3(bp))
2420 REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2421 NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002422 REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
2423 NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2424 REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
2425 NIG_REG_LLFC_ENABLE_0, llfc_enable);
2426 REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
2427 NIG_REG_PAUSE_ENABLE_0, pause_enable);
2428
2429 REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
2430 NIG_REG_PPP_ENABLE_0, ppp_enable);
2431
2432 REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
2433 NIG_REG_LLH0_XCM_MASK, xcm_mask);
2434
2435 REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
2436
2437 /* output enable for RX_XCM # IF */
2438 REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
2439
2440 /* HW PFC TX enable */
2441 REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
2442
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002443 if (nig_params) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002444 u8 i = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002445 pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
2446
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002447 for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
2448 bnx2x_pfc_nig_rx_priority_mask(bp, i,
2449 nig_params->rx_cos_priority_mask[i], port);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002450
2451 REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
2452 NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
2453 nig_params->llfc_high_priority_classes);
2454
2455 REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
2456 NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
2457 nig_params->llfc_low_priority_classes);
2458 }
2459 REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
2460 NIG_REG_P0_PKT_PRIORITY_TO_COS,
2461 pkt_priority_to_cos);
2462}
2463
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002464int bnx2x_update_pfc(struct link_params *params,
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002465 struct link_vars *vars,
2466 struct bnx2x_nig_brb_pfc_port_params *pfc_params)
2467{
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002468 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002469 * The PFC and pause are orthogonal to one another, meaning when
2470 * PFC is enabled, the pause are disabled, and when PFC is
2471 * disabled, pause are set according to the pause result.
2472 */
2473 u32 val;
2474 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002475 int bnx2x_status = 0;
2476 u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00002477
2478 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2479 vars->link_status |= LINK_STATUS_PFC_ENABLED;
2480 else
2481 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
2482
2483 bnx2x_update_mng(params, vars->link_status);
2484
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002485 /* update NIG params */
2486 bnx2x_update_pfc_nig(params, vars, pfc_params);
2487
2488 /* update BRB params */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002489 bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
2490 if (0 != bnx2x_status)
2491 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002492
2493 if (!vars->link_up)
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002494 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002495
2496 DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002497 if (CHIP_IS_E3(bp))
2498 bnx2x_update_pfc_xmac(params, vars, 0);
2499 else {
2500 val = REG_RD(bp, MISC_REG_RESET_REG_2);
2501 if ((val &
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00002502 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002503 == 0) {
2504 DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
2505 bnx2x_emac_enable(params, vars, 0);
2506 return bnx2x_status;
2507 }
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002508
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002509 if (CHIP_IS_E2(bp))
2510 bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
2511 else
2512 bnx2x_update_pfc_bmac1(params, vars);
2513
2514 val = 0;
2515 if ((params->feature_config_flags &
2516 FEATURE_CONFIG_PFC_ENABLED) ||
2517 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2518 val = 1;
2519 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2520 }
2521 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002522}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002523
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002524
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002525static int bnx2x_bmac1_enable(struct link_params *params,
2526 struct link_vars *vars,
2527 u8 is_lb)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002528{
2529 struct bnx2x *bp = params->bp;
2530 u8 port = params->port;
2531 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2532 NIG_REG_INGRESS_BMAC0_MEM;
2533 u32 wb_data[2];
2534 u32 val;
2535
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002536 DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002537
2538 /* XGXS control */
2539 wb_data[0] = 0x3c;
2540 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002541 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2542 wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002543
2544 /* tx MAC SA */
2545 wb_data[0] = ((params->mac_addr[2] << 24) |
2546 (params->mac_addr[3] << 16) |
2547 (params->mac_addr[4] << 8) |
2548 params->mac_addr[5]);
2549 wb_data[1] = ((params->mac_addr[0] << 8) |
2550 params->mac_addr[1]);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002551 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002552
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002553 /* mac control */
2554 val = 0x3;
2555 if (is_lb) {
2556 val |= 0x4;
2557 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2558 }
2559 wb_data[0] = val;
2560 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002561 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002562
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002563 /* set rx mtu */
2564 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2565 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002566 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002567
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002568 bnx2x_update_pfc_bmac1(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002569
2570 /* set tx mtu */
2571 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2572 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002573 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002574
2575 /* set cnt max size */
2576 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2577 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002578 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002579
2580 /* configure safc */
2581 wb_data[0] = 0x1000200;
2582 wb_data[1] = 0;
2583 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2584 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002585
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002586 if (vars->phy_flags & PHY_TX_ERROR_CHECK_FLAG) {
2587 REG_RD_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LSS_STATUS,
2588 wb_data, 2);
2589 if (wb_data[0] > 0)
2590 return -ESRCH;
2591 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002592 return 0;
2593}
2594
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002595static int bnx2x_bmac2_enable(struct link_params *params,
2596 struct link_vars *vars,
2597 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002598{
2599 struct bnx2x *bp = params->bp;
2600 u8 port = params->port;
2601 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2602 NIG_REG_INGRESS_BMAC0_MEM;
2603 u32 wb_data[2];
2604
2605 DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
2606
2607 wb_data[0] = 0;
2608 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002609 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002610 udelay(30);
2611
2612 /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2613 wb_data[0] = 0x3c;
2614 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002615 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2616 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002617
2618 udelay(30);
2619
2620 /* tx MAC SA */
2621 wb_data[0] = ((params->mac_addr[2] << 24) |
2622 (params->mac_addr[3] << 16) |
2623 (params->mac_addr[4] << 8) |
2624 params->mac_addr[5]);
2625 wb_data[1] = ((params->mac_addr[0] << 8) |
2626 params->mac_addr[1]);
2627 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002628 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002629
2630 udelay(30);
2631
2632 /* Configure SAFC */
2633 wb_data[0] = 0x1000200;
2634 wb_data[1] = 0;
2635 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002636 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002637 udelay(30);
2638
2639 /* set rx mtu */
2640 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2641 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002642 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002643 udelay(30);
2644
2645 /* set tx mtu */
2646 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2647 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002648 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002649 udelay(30);
2650 /* set cnt max size */
2651 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
2652 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002653 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002654 udelay(30);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002655 bnx2x_update_pfc_bmac2(params, vars, is_lb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002656
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002657 if (vars->phy_flags & PHY_TX_ERROR_CHECK_FLAG) {
2658 REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LSS_STAT,
2659 wb_data, 2);
2660 if (wb_data[0] > 0) {
2661 DP(NETIF_MSG_LINK, "Got bad LSS status 0x%x\n",
2662 wb_data[0]);
2663 return -ESRCH;
2664 }
2665 }
2666
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002667 return 0;
2668}
2669
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002670static int bnx2x_bmac_enable(struct link_params *params,
2671 struct link_vars *vars,
2672 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002673{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002674 int rc = 0;
2675 u8 port = params->port;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002676 struct bnx2x *bp = params->bp;
2677 u32 val;
2678 /* reset and unreset the BigMac */
2679 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002680 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Yaniv Rosner1d9c05d2010-11-01 05:32:25 +00002681 msleep(1);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002682
2683 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002684 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002685
2686 /* enable access for bmac registers */
2687 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2688
2689 /* Enable BMAC according to BMAC type*/
2690 if (CHIP_IS_E2(bp))
2691 rc = bnx2x_bmac2_enable(params, vars, is_lb);
2692 else
2693 rc = bnx2x_bmac1_enable(params, vars, is_lb);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002694 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2695 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2696 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2697 val = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002698 if ((params->feature_config_flags &
2699 FEATURE_CONFIG_PFC_ENABLED) ||
2700 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002701 val = 1;
2702 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2703 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2704 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2705 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2706 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2707 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2708
2709 vars->mac_type = MAC_TYPE_BMAC;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002710 return rc;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002711}
2712
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002713static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
2714{
2715 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002716 NIG_REG_INGRESS_BMAC0_MEM;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002717 u32 wb_data[2];
Eilon Greenstein3196a882008-08-13 15:58:49 -07002718 u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002719
2720 /* Only if the bmac is out of reset */
2721 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
2722 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2723 nig_bmac_enable) {
2724
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002725 if (CHIP_IS_E2(bp)) {
2726 /* Clear Rx Enable bit in BMAC_CONTROL register */
2727 REG_RD_DMAE(bp, bmac_addr +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002728 BIGMAC2_REGISTER_BMAC_CONTROL,
2729 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002730 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2731 REG_WR_DMAE(bp, bmac_addr +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002732 BIGMAC2_REGISTER_BMAC_CONTROL,
2733 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002734 } else {
2735 /* Clear Rx Enable bit in BMAC_CONTROL register */
2736 REG_RD_DMAE(bp, bmac_addr +
2737 BIGMAC_REGISTER_BMAC_CONTROL,
2738 wb_data, 2);
2739 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2740 REG_WR_DMAE(bp, bmac_addr +
2741 BIGMAC_REGISTER_BMAC_CONTROL,
2742 wb_data, 2);
2743 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002744 msleep(1);
2745 }
2746}
2747
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002748static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
2749 u32 line_speed)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002750{
2751 struct bnx2x *bp = params->bp;
2752 u8 port = params->port;
2753 u32 init_crd, crd;
2754 u32 count = 1000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002755
2756 /* disable port */
2757 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2758
2759 /* wait for init credit */
2760 init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
2761 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2762 DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
2763
2764 while ((init_crd != crd) && count) {
2765 msleep(5);
2766
2767 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2768 count--;
2769 }
2770 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2771 if (init_crd != crd) {
2772 DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
2773 init_crd, crd);
2774 return -EINVAL;
2775 }
2776
David S. Millerc0700f92008-12-16 23:53:20 -08002777 if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002778 line_speed == SPEED_10 ||
2779 line_speed == SPEED_100 ||
2780 line_speed == SPEED_1000 ||
2781 line_speed == SPEED_2500) {
2782 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002783 /* update threshold */
2784 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
2785 /* update init credit */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002786 init_crd = 778; /* (800-18-4) */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002787
2788 } else {
2789 u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
2790 ETH_OVREHEAD)/16;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002791 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002792 /* update threshold */
2793 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
2794 /* update init credit */
2795 switch (line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002796 case SPEED_10000:
2797 init_crd = thresh + 553 - 22;
2798 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002799 default:
2800 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2801 line_speed);
2802 return -EINVAL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002803 }
2804 }
2805 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2806 DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
2807 line_speed, init_crd);
2808
2809 /* probe the credit changes */
2810 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
2811 msleep(5);
2812 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
2813
2814 /* enable port */
2815 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2816 return 0;
2817}
2818
Dmitry Kravkove8920672011-05-04 23:52:40 +00002819/**
2820 * bnx2x_get_emac_base - retrive emac base address
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002821 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00002822 * @bp: driver handle
2823 * @mdc_mdio_access: access type
2824 * @port: port id
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002825 *
2826 * This function selects the MDC/MDIO access (through emac0 or
2827 * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2828 * phy has a default access mode, which could also be overridden
2829 * by nvram configuration. This parameter, whether this is the
2830 * default phy configuration, or the nvram overrun
2831 * configuration, is passed here as mdc_mdio_access and selects
2832 * the emac_base for the CL45 read/writes operations
2833 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002834static u32 bnx2x_get_emac_base(struct bnx2x *bp,
2835 u32 mdc_mdio_access, u8 port)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002836{
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002837 u32 emac_base = 0;
2838 switch (mdc_mdio_access) {
2839 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
2840 break;
2841 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
2842 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2843 emac_base = GRCBASE_EMAC1;
2844 else
2845 emac_base = GRCBASE_EMAC0;
2846 break;
2847 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
Eilon Greenstein589abe32009-02-12 08:36:55 +00002848 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2849 emac_base = GRCBASE_EMAC0;
2850 else
2851 emac_base = GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002852 break;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002853 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
2854 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2855 break;
2856 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
Eilon Greenstein6378c022008-08-13 15:59:25 -07002857 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002858 break;
2859 default:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002860 break;
2861 }
2862 return emac_base;
2863
2864}
2865
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002866/******************************************************************/
Yaniv Rosner6583e332011-06-14 01:34:17 +00002867/* CL22 access functions */
2868/******************************************************************/
2869static int bnx2x_cl22_write(struct bnx2x *bp,
2870 struct bnx2x_phy *phy,
2871 u16 reg, u16 val)
2872{
2873 u32 tmp, mode;
2874 u8 i;
2875 int rc = 0;
2876 /* Switch to CL22 */
2877 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2878 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2879 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2880
2881 /* address */
2882 tmp = ((phy->addr << 21) | (reg << 16) | val |
2883 EMAC_MDIO_COMM_COMMAND_WRITE_22 |
2884 EMAC_MDIO_COMM_START_BUSY);
2885 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2886
2887 for (i = 0; i < 50; i++) {
2888 udelay(10);
2889
2890 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2891 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2892 udelay(5);
2893 break;
2894 }
2895 }
2896 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2897 DP(NETIF_MSG_LINK, "write phy register failed\n");
2898 rc = -EFAULT;
2899 }
2900 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2901 return rc;
2902}
2903
2904static int bnx2x_cl22_read(struct bnx2x *bp,
2905 struct bnx2x_phy *phy,
2906 u16 reg, u16 *ret_val)
2907{
2908 u32 val, mode;
2909 u16 i;
2910 int rc = 0;
2911
2912 /* Switch to CL22 */
2913 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2914 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2915 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2916
2917 /* address */
2918 val = ((phy->addr << 21) | (reg << 16) |
2919 EMAC_MDIO_COMM_COMMAND_READ_22 |
2920 EMAC_MDIO_COMM_START_BUSY);
2921 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2922
2923 for (i = 0; i < 50; i++) {
2924 udelay(10);
2925
2926 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2927 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2928 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2929 udelay(5);
2930 break;
2931 }
2932 }
2933 if (val & EMAC_MDIO_COMM_START_BUSY) {
2934 DP(NETIF_MSG_LINK, "read phy register failed\n");
2935
2936 *ret_val = 0;
2937 rc = -EFAULT;
2938 }
2939 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2940 return rc;
2941}
2942
2943/******************************************************************/
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002944/* CL45 access functions */
2945/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002946static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
2947 u8 devad, u16 reg, u16 *ret_val)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002948{
Yaniv Rosnera198c142011-05-31 21:29:42 +00002949 u32 val;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002950 u16 i;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002951 int rc = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002952
2953 /* address */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002954 val = ((phy->addr << 21) | (devad << 16) | reg |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002955 EMAC_MDIO_COMM_COMMAND_ADDRESS |
2956 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002957 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002958
2959 for (i = 0; i < 50; i++) {
2960 udelay(10);
2961
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002962 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002963 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2964 udelay(5);
2965 break;
2966 }
2967 }
2968 if (val & EMAC_MDIO_COMM_START_BUSY) {
2969 DP(NETIF_MSG_LINK, "read phy register failed\n");
Yaniv Rosner6d870c32011-01-31 04:22:20 +00002970 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002971 *ret_val = 0;
2972 rc = -EFAULT;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002973 } else {
2974 /* data */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002975 val = ((phy->addr << 21) | (devad << 16) |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002976 EMAC_MDIO_COMM_COMMAND_READ_45 |
2977 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002978 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002979
2980 for (i = 0; i < 50; i++) {
2981 udelay(10);
2982
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002983 val = REG_RD(bp, phy->mdio_ctrl +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002984 EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002985 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2986 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2987 break;
2988 }
2989 }
2990 if (val & EMAC_MDIO_COMM_START_BUSY) {
2991 DP(NETIF_MSG_LINK, "read phy register failed\n");
Yaniv Rosner6d870c32011-01-31 04:22:20 +00002992 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002993 *ret_val = 0;
2994 rc = -EFAULT;
2995 }
2996 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00002997 /* Work around for E3 A0 */
2998 if (phy->flags & FLAGS_MDC_MDIO_WA) {
2999 phy->flags ^= FLAGS_DUMMY_READ;
3000 if (phy->flags & FLAGS_DUMMY_READ) {
3001 u16 temp_val;
3002 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
3003 }
3004 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003005
Yaniv Rosnera198c142011-05-31 21:29:42 +00003006 return rc;
3007}
3008
3009static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3010 u8 devad, u16 reg, u16 val)
3011{
3012 u32 tmp;
3013 u8 i;
3014 int rc = 0;
3015
3016 /* address */
3017
3018 tmp = ((phy->addr << 21) | (devad << 16) | reg |
3019 EMAC_MDIO_COMM_COMMAND_ADDRESS |
3020 EMAC_MDIO_COMM_START_BUSY);
3021 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3022
3023 for (i = 0; i < 50; i++) {
3024 udelay(10);
3025
3026 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3027 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3028 udelay(5);
3029 break;
3030 }
3031 }
3032 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3033 DP(NETIF_MSG_LINK, "write phy register failed\n");
3034 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
3035 rc = -EFAULT;
3036
3037 } else {
3038 /* data */
3039 tmp = ((phy->addr << 21) | (devad << 16) | val |
3040 EMAC_MDIO_COMM_COMMAND_WRITE_45 |
3041 EMAC_MDIO_COMM_START_BUSY);
3042 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3043
3044 for (i = 0; i < 50; i++) {
3045 udelay(10);
3046
3047 tmp = REG_RD(bp, phy->mdio_ctrl +
3048 EMAC_REG_EMAC_MDIO_COMM);
3049 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3050 udelay(5);
3051 break;
3052 }
3053 }
3054 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3055 DP(NETIF_MSG_LINK, "write phy register failed\n");
3056 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
3057 rc = -EFAULT;
3058 }
3059 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003060 /* Work around for E3 A0 */
3061 if (phy->flags & FLAGS_MDC_MDIO_WA) {
3062 phy->flags ^= FLAGS_DUMMY_READ;
3063 if (phy->flags & FLAGS_DUMMY_READ) {
3064 u16 temp_val;
3065 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
3066 }
3067 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003068
3069 return rc;
3070}
3071
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003072
3073/******************************************************************/
3074/* BSC access functions from E3 */
3075/******************************************************************/
3076static void bnx2x_bsc_module_sel(struct link_params *params)
3077{
3078 int idx;
3079 u32 board_cfg, sfp_ctrl;
3080 u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3081 struct bnx2x *bp = params->bp;
3082 u8 port = params->port;
3083 /* Read I2C output PINs */
3084 board_cfg = REG_RD(bp, params->shmem_base +
3085 offsetof(struct shmem_region,
3086 dev_info.shared_hw_config.board));
3087 i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3088 i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3089 SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3090
3091 /* Read I2C output value */
3092 sfp_ctrl = REG_RD(bp, params->shmem_base +
3093 offsetof(struct shmem_region,
3094 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3095 i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3096 i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3097 DP(NETIF_MSG_LINK, "Setting BSC switch\n");
3098 for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3099 bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
3100}
3101
3102static int bnx2x_bsc_read(struct link_params *params,
3103 struct bnx2x_phy *phy,
3104 u8 sl_devid,
3105 u16 sl_addr,
3106 u8 lc_addr,
3107 u8 xfer_cnt,
3108 u32 *data_array)
3109{
3110 u32 val, i;
3111 int rc = 0;
3112 struct bnx2x *bp = params->bp;
3113
3114 if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
3115 DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
3116 return -EINVAL;
3117 }
3118
3119 if (xfer_cnt > 16) {
3120 DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
3121 xfer_cnt);
3122 return -EINVAL;
3123 }
3124 bnx2x_bsc_module_sel(params);
3125
3126 xfer_cnt = 16 - lc_addr;
3127
3128 /* enable the engine */
3129 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3130 val |= MCPR_IMC_COMMAND_ENABLE;
3131 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3132
3133 /* program slave device ID */
3134 val = (sl_devid << 16) | sl_addr;
3135 REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3136
3137 /* start xfer with 0 byte to update the address pointer ???*/
3138 val = (MCPR_IMC_COMMAND_ENABLE) |
3139 (MCPR_IMC_COMMAND_WRITE_OP <<
3140 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3141 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3142 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3143
3144 /* poll for completion */
3145 i = 0;
3146 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3147 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3148 udelay(10);
3149 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3150 if (i++ > 1000) {
3151 DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
3152 i);
3153 rc = -EFAULT;
3154 break;
3155 }
3156 }
3157 if (rc == -EFAULT)
3158 return rc;
3159
3160 /* start xfer with read op */
3161 val = (MCPR_IMC_COMMAND_ENABLE) |
3162 (MCPR_IMC_COMMAND_READ_OP <<
3163 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3164 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3165 (xfer_cnt);
3166 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3167
3168 /* poll for completion */
3169 i = 0;
3170 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3171 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3172 udelay(10);
3173 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3174 if (i++ > 1000) {
3175 DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
3176 rc = -EFAULT;
3177 break;
3178 }
3179 }
3180 if (rc == -EFAULT)
3181 return rc;
3182
3183 for (i = (lc_addr >> 2); i < 4; i++) {
3184 data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3185#ifdef __BIG_ENDIAN
3186 data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3187 ((data_array[i] & 0x0000ff00) << 8) |
3188 ((data_array[i] & 0x00ff0000) >> 8) |
3189 ((data_array[i] & 0xff000000) >> 24);
3190#endif
3191 }
3192 return rc;
3193}
3194
3195static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3196 u8 devad, u16 reg, u16 or_val)
3197{
3198 u16 val;
3199 bnx2x_cl45_read(bp, phy, devad, reg, &val);
3200 bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
3201}
3202
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003203int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
3204 u8 devad, u16 reg, u16 *ret_val)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003205{
3206 u8 phy_index;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003207 /*
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003208 * Probe for the phy according to the given phy_addr, and execute
3209 * the read request on it
3210 */
3211 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3212 if (params->phy[phy_index].addr == phy_addr) {
3213 return bnx2x_cl45_read(params->bp,
3214 &params->phy[phy_index], devad,
3215 reg, ret_val);
3216 }
3217 }
3218 return -EINVAL;
3219}
3220
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003221int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
3222 u8 devad, u16 reg, u16 val)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003223{
3224 u8 phy_index;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003225 /*
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003226 * Probe for the phy according to the given phy_addr, and execute
3227 * the write request on it
3228 */
3229 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3230 if (params->phy[phy_index].addr == phy_addr) {
3231 return bnx2x_cl45_write(params->bp,
3232 &params->phy[phy_index], devad,
3233 reg, val);
3234 }
3235 }
3236 return -EINVAL;
3237}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003238static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
3239 struct link_params *params)
3240{
3241 u8 lane = 0;
3242 struct bnx2x *bp = params->bp;
3243 u32 path_swap, path_swap_ovr;
3244 u8 path, port;
3245
3246 path = BP_PATH(bp);
3247 port = params->port;
3248
3249 if (bnx2x_is_4_port_mode(bp)) {
3250 u32 port_swap, port_swap_ovr;
3251
3252 /*figure out path swap value */
3253 path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
3254 if (path_swap_ovr & 0x1)
3255 path_swap = (path_swap_ovr & 0x2);
3256 else
3257 path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
3258
3259 if (path_swap)
3260 path = path ^ 1;
3261
3262 /*figure out port swap value */
3263 port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
3264 if (port_swap_ovr & 0x1)
3265 port_swap = (port_swap_ovr & 0x2);
3266 else
3267 port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
3268
3269 if (port_swap)
3270 port = port ^ 1;
3271
3272 lane = (port<<1) + path;
3273 } else { /* two port mode - no port swap */
3274
3275 /*figure out path swap value */
3276 path_swap_ovr =
3277 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3278 if (path_swap_ovr & 0x1) {
3279 path_swap = (path_swap_ovr & 0x2);
3280 } else {
3281 path_swap =
3282 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
3283 }
3284 if (path_swap)
3285 path = path ^ 1;
3286
3287 lane = path << 1 ;
3288 }
3289 return lane;
3290}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003291
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003292static void bnx2x_set_aer_mmd(struct link_params *params,
3293 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003294{
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003295 u32 ser_lane;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003296 u16 offset, aer_val;
3297 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003298 ser_lane = ((params->lane_config &
3299 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3300 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3301
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003302 offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3303 (phy->addr + ser_lane) : 0;
3304
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003305 if (USES_WARPCORE(bp)) {
3306 aer_val = bnx2x_get_warpcore_lane(phy, params);
3307 /*
3308 * In Dual-lane mode, two lanes are joined together,
3309 * so in order to configure them, the AER broadcast method is
3310 * used here.
3311 * 0x200 is the broadcast address for lanes 0,1
3312 * 0x201 is the broadcast address for lanes 2,3
3313 */
3314 if (phy->flags & FLAGS_WC_DUAL_MODE)
3315 aer_val = (aer_val >> 1) | 0x200;
3316 } else if (CHIP_IS_E2(bp))
Yaniv Rosner82a0d472011-01-18 04:33:52 +00003317 aer_val = 0x3800 + offset - 1;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003318 else
3319 aer_val = 0x3800 + offset;
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003320 DP(NETIF_MSG_LINK, "Set AER to 0x%x\n", aer_val);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003321 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003322 MDIO_AER_BLOCK_AER_REG, aer_val);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003323
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003324}
3325
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003326/******************************************************************/
3327/* Internal phy section */
3328/******************************************************************/
3329
3330static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
3331{
3332 u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3333
3334 /* Set Clause 22 */
3335 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
3336 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
3337 udelay(500);
3338 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3339 udelay(500);
3340 /* Set Clause 45 */
3341 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
3342}
3343
3344static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
3345{
3346 u32 val;
3347
3348 DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
3349
3350 val = SERDES_RESET_BITS << (port*16);
3351
3352 /* reset and unreset the SerDes/XGXS */
3353 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3354 udelay(500);
3355 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3356
3357 bnx2x_set_serdes_access(bp, port);
3358
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003359 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3360 DEFAULT_PHY_DEV_ADDR);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003361}
3362
3363static void bnx2x_xgxs_deassert(struct link_params *params)
3364{
3365 struct bnx2x *bp = params->bp;
3366 u8 port;
3367 u32 val;
3368 DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
3369 port = params->port;
3370
3371 val = XGXS_RESET_BITS << (port*16);
3372
3373 /* reset and unreset the SerDes/XGXS */
3374 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3375 udelay(500);
3376 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3377
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003378 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003379 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003380 params->phy[INT_PHY].def_md_devad);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003381}
3382
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003383static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
3384 struct link_params *params, u16 *ieee_fc)
3385{
3386 struct bnx2x *bp = params->bp;
3387 *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
3388 /**
3389 * resolve pause mode and advertisement Please refer to Table
3390 * 28B-3 of the 802.3ab-1999 spec
3391 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003392
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003393 switch (phy->req_flow_ctrl) {
3394 case BNX2X_FLOW_CTRL_AUTO:
3395 if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
3396 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3397 else
3398 *ieee_fc |=
3399 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3400 break;
3401
3402 case BNX2X_FLOW_CTRL_TX:
3403 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3404 break;
3405
3406 case BNX2X_FLOW_CTRL_RX:
3407 case BNX2X_FLOW_CTRL_BOTH:
3408 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3409 break;
3410
3411 case BNX2X_FLOW_CTRL_NONE:
3412 default:
3413 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3414 break;
3415 }
3416 DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
3417}
3418
3419static void set_phy_vars(struct link_params *params,
3420 struct link_vars *vars)
3421{
3422 struct bnx2x *bp = params->bp;
3423 u8 actual_phy_idx, phy_index, link_cfg_idx;
3424 u8 phy_config_swapped = params->multi_phy_config &
3425 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
3426 for (phy_index = INT_PHY; phy_index < params->num_phys;
3427 phy_index++) {
3428 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
3429 actual_phy_idx = phy_index;
3430 if (phy_config_swapped) {
3431 if (phy_index == EXT_PHY1)
3432 actual_phy_idx = EXT_PHY2;
3433 else if (phy_index == EXT_PHY2)
3434 actual_phy_idx = EXT_PHY1;
3435 }
3436 params->phy[actual_phy_idx].req_flow_ctrl =
3437 params->req_flow_ctrl[link_cfg_idx];
3438
3439 params->phy[actual_phy_idx].req_line_speed =
3440 params->req_line_speed[link_cfg_idx];
3441
3442 params->phy[actual_phy_idx].speed_cap_mask =
3443 params->speed_cap_mask[link_cfg_idx];
3444
3445 params->phy[actual_phy_idx].req_duplex =
3446 params->req_duplex[link_cfg_idx];
3447
3448 if (params->req_line_speed[link_cfg_idx] ==
3449 SPEED_AUTO_NEG)
3450 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3451
3452 DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
3453 " speed_cap_mask %x\n",
3454 params->phy[actual_phy_idx].req_flow_ctrl,
3455 params->phy[actual_phy_idx].req_line_speed,
3456 params->phy[actual_phy_idx].speed_cap_mask);
3457 }
3458}
3459
3460static void bnx2x_ext_phy_set_pause(struct link_params *params,
3461 struct bnx2x_phy *phy,
3462 struct link_vars *vars)
3463{
3464 u16 val;
3465 struct bnx2x *bp = params->bp;
3466 /* read modify write pause advertizing */
3467 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3468
3469 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3470
3471 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3472 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3473 if ((vars->ieee_fc &
3474 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3475 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3476 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3477 }
3478 if ((vars->ieee_fc &
3479 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3480 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3481 val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3482 }
3483 DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3484 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3485}
3486
3487static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
3488{ /* LD LP */
3489 switch (pause_result) { /* ASYM P ASYM P */
3490 case 0xb: /* 1 0 1 1 */
3491 vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
3492 break;
3493
3494 case 0xe: /* 1 1 1 0 */
3495 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3496 break;
3497
3498 case 0x5: /* 0 1 0 1 */
3499 case 0x7: /* 0 1 1 1 */
3500 case 0xd: /* 1 1 0 1 */
3501 case 0xf: /* 1 1 1 1 */
3502 vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
3503 break;
3504
3505 default:
3506 break;
3507 }
3508 if (pause_result & (1<<0))
3509 vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3510 if (pause_result & (1<<1))
3511 vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
3512}
3513
3514static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3515 struct link_params *params,
3516 struct link_vars *vars)
3517{
3518 struct bnx2x *bp = params->bp;
3519 u16 ld_pause; /* local */
3520 u16 lp_pause; /* link partner */
3521 u16 pause_result;
3522 u8 ret = 0;
3523 /* read twice */
3524
3525 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3526
3527 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
3528 vars->flow_ctrl = phy->req_flow_ctrl;
3529 else if (phy->req_line_speed != SPEED_AUTO_NEG)
3530 vars->flow_ctrl = params->req_fc_auto_adv;
3531 else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3532 ret = 1;
Yaniv Rosner6583e332011-06-14 01:34:17 +00003533 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616) {
3534 bnx2x_cl22_read(bp, phy,
3535 0x4, &ld_pause);
3536 bnx2x_cl22_read(bp, phy,
3537 0x5, &lp_pause);
3538 } else {
3539 bnx2x_cl45_read(bp, phy,
3540 MDIO_AN_DEVAD,
3541 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3542 bnx2x_cl45_read(bp, phy,
3543 MDIO_AN_DEVAD,
3544 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3545 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003546 pause_result = (ld_pause &
3547 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3548 pause_result |= (lp_pause &
3549 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3550 DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
3551 pause_result);
3552 bnx2x_pause_resolve(vars, pause_result);
3553 }
3554 return ret;
3555}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003556/******************************************************************/
3557/* Warpcore section */
3558/******************************************************************/
3559/* The init_internal_warpcore should mirror the xgxs,
3560 * i.e. reset the lane (if needed), set aer for the
3561 * init configuration, and set/clear SGMII flag. Internal
3562 * phy init is done purely in phy_init stage.
3563 */
3564static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
3565 struct link_params *params,
3566 struct link_vars *vars) {
3567 u16 val16 = 0, lane;
3568 struct bnx2x *bp = params->bp;
3569 DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
3570 /* Check adding advertisement for 1G KX */
3571 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3572 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3573 (vars->line_speed == SPEED_1000)) {
3574 u16 sd_digital;
3575 val16 |= (1<<5);
3576
3577 /* Enable CL37 1G Parallel Detect */
3578 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3579 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
3580 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3581 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3582 (sd_digital | 0x1));
3583
3584 DP(NETIF_MSG_LINK, "Advertize 1G\n");
3585 }
3586 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3587 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
3588 (vars->line_speed == SPEED_10000)) {
3589 /* Check adding advertisement for 10G KR */
3590 val16 |= (1<<7);
3591 /* Enable 10G Parallel Detect */
3592 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3593 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
3594
3595 DP(NETIF_MSG_LINK, "Advertize 10G\n");
3596 }
3597
3598 /* Set Transmit PMD settings */
3599 lane = bnx2x_get_warpcore_lane(phy, params);
3600 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3601 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3602 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3603 (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3604 (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
3605 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3606 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
3607 0x03f0);
3608 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3609 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
3610 0x03f0);
3611 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3612 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3613 0x383f);
3614
3615 /* Advertised speeds */
3616 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3617 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
3618
3619 /* Advertise pause */
3620 bnx2x_ext_phy_set_pause(params, phy, vars);
3621
3622 /* Enable Autoneg */
3623 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3624 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1000);
3625
3626 /* Over 1G - AN local device user page 1 */
3627 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3628 MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
3629
3630 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3631 MDIO_WC_REG_DIGITAL5_MISC7, &val16);
3632
3633 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3634 MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
3635}
3636
3637static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
3638 struct link_params *params,
3639 struct link_vars *vars)
3640{
3641 struct bnx2x *bp = params->bp;
3642 u16 val;
3643
3644 /* Disable Autoneg */
3645 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3646 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
3647
3648 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3649 MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
3650
3651 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3652 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
3653
3654 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3655 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
3656
3657 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3658 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3659
3660 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3661 MDIO_WC_REG_DIGITAL3_UP1, 0x1);
3662
3663 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3664 MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
3665
3666 /* Disable CL36 PCS Tx */
3667 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3668 MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
3669
3670 /* Double Wide Single Data Rate @ pll rate */
3671 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3672 MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
3673
3674 /* Leave cl72 training enable, needed for KR */
3675 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3676 MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
3677 0x2);
3678
3679 /* Leave CL72 enabled */
3680 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3681 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3682 &val);
3683 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3684 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3685 val | 0x3800);
3686
3687 /* Set speed via PMA/PMD register */
3688 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3689 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
3690
3691 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3692 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
3693
3694 /*Enable encoded forced speed */
3695 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3696 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
3697
3698 /* Turn TX scramble payload only the 64/66 scrambler */
3699 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3700 MDIO_WC_REG_TX66_CONTROL, 0x9);
3701
3702 /* Turn RX scramble payload only the 64/66 scrambler */
3703 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3704 MDIO_WC_REG_RX66_CONTROL, 0xF9);
3705
3706 /* set and clear loopback to cause a reset to 64/66 decoder */
3707 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3708 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
3709 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3710 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3711
3712}
3713
3714static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
3715 struct link_params *params,
3716 u8 is_xfi)
3717{
3718 struct bnx2x *bp = params->bp;
3719 u16 misc1_val, tap_val, tx_driver_val, lane, val;
3720 /* Hold rxSeqStart */
3721 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3722 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
3723 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3724 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
3725
3726 /* Hold tx_fifo_reset */
3727 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3728 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
3729 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3730 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
3731
3732 /* Disable CL73 AN */
3733 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
3734
3735 /* Disable 100FX Enable and Auto-Detect */
3736 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3737 MDIO_WC_REG_FX100_CTRL1, &val);
3738 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3739 MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
3740
3741 /* Disable 100FX Idle detect */
3742 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3743 MDIO_WC_REG_FX100_CTRL3, &val);
3744 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3745 MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
3746
3747 /* Set Block address to Remote PHY & Clear forced_speed[5] */
3748 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3749 MDIO_WC_REG_DIGITAL4_MISC3, &val);
3750 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3751 MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
3752
3753 /* Turn off auto-detect & fiber mode */
3754 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3755 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
3756 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3757 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3758 (val & 0xFFEE));
3759
3760 /* Set filter_force_link, disable_false_link and parallel_detect */
3761 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3762 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
3763 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3764 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3765 ((val | 0x0006) & 0xFFFE));
3766
3767 /* Set XFI / SFI */
3768 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3769 MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
3770
3771 misc1_val &= ~(0x1f);
3772
3773 if (is_xfi) {
3774 misc1_val |= 0x5;
3775 tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3776 (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3777 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
3778 tx_driver_val =
3779 ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3780 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3781 (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
3782
3783 } else {
3784 misc1_val |= 0x9;
3785 tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3786 (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3787 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
3788 tx_driver_val =
3789 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3790 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3791 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
3792 }
3793 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3794 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
3795
3796 /* Set Transmit PMD settings */
3797 lane = bnx2x_get_warpcore_lane(phy, params);
3798 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3799 MDIO_WC_REG_TX_FIR_TAP,
3800 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
3801 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3802 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3803 tx_driver_val);
3804
3805 /* Enable fiber mode, enable and invert sig_det */
3806 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3807 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
3808 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3809 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
3810
3811 /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
3812 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3813 MDIO_WC_REG_DIGITAL4_MISC3, &val);
3814 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3815 MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
3816
3817 /* 10G XFI Full Duplex */
3818 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3819 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
3820
3821 /* Release tx_fifo_reset */
3822 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3823 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
3824 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3825 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
3826
3827 /* Release rxSeqStart */
3828 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3829 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
3830 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3831 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
3832}
3833
3834static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
3835 struct bnx2x_phy *phy)
3836{
3837 DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
3838}
3839
3840static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
3841 struct bnx2x_phy *phy,
3842 u16 lane)
3843{
3844 /* Rx0 anaRxControl1G */
3845 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3846 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
3847
3848 /* Rx2 anaRxControl1G */
3849 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3850 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
3851
3852 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3853 MDIO_WC_REG_RX66_SCW0, 0xE070);
3854
3855 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3856 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
3857
3858 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3859 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
3860
3861 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3862 MDIO_WC_REG_RX66_SCW3, 0x8090);
3863
3864 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3865 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
3866
3867 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3868 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
3869
3870 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3871 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
3872
3873 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3874 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
3875
3876 /* Serdes Digital Misc1 */
3877 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3878 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
3879
3880 /* Serdes Digital4 Misc3 */
3881 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3882 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
3883
3884 /* Set Transmit PMD settings */
3885 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3886 MDIO_WC_REG_TX_FIR_TAP,
3887 ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3888 (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3889 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
3890 MDIO_WC_REG_TX_FIR_TAP_ENABLE));
3891 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3892 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3893 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3894 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3895 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
3896}
3897
3898static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
3899 struct link_params *params,
3900 u8 fiber_mode)
3901{
3902 struct bnx2x *bp = params->bp;
3903 u16 val16, digctrl_kx1, digctrl_kx2;
3904 u8 lane;
3905
3906 lane = bnx2x_get_warpcore_lane(phy, params);
3907
3908 /* Clear XFI clock comp in non-10G single lane mode. */
3909 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3910 MDIO_WC_REG_RX66_CONTROL, &val16);
3911 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3912 MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
3913
3914 if (phy->req_line_speed == SPEED_AUTO_NEG) {
3915 /* SGMII Autoneg */
3916 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3917 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
3918 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3919 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
3920 val16 | 0x1000);
3921 DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
3922 } else {
3923 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3924 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
3925 val16 &= 0xcfbf;
3926 switch (phy->req_line_speed) {
3927 case SPEED_10:
3928 break;
3929 case SPEED_100:
3930 val16 |= 0x2000;
3931 break;
3932 case SPEED_1000:
3933 val16 |= 0x0040;
3934 break;
3935 default:
3936 DP(NETIF_MSG_LINK, "Speed not supported: 0x%x"
3937 "\n", phy->req_line_speed);
3938 return;
3939 }
3940
3941 if (phy->req_duplex == DUPLEX_FULL)
3942 val16 |= 0x0100;
3943
3944 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3945 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
3946
3947 DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
3948 phy->req_line_speed);
3949 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3950 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
3951 DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
3952 }
3953
3954 /* SGMII Slave mode and disable signal detect */
3955 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3956 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
3957 if (fiber_mode)
3958 digctrl_kx1 = 1;
3959 else
3960 digctrl_kx1 &= 0xff4a;
3961
3962 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3963 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3964 digctrl_kx1);
3965
3966 /* Turn off parallel detect */
3967 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3968 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
3969 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3970 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3971 (digctrl_kx2 & ~(1<<2)));
3972
3973 /* Re-enable parallel detect */
3974 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3975 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3976 (digctrl_kx2 | (1<<2)));
3977
3978 /* Enable autodet */
3979 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3980 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3981 (digctrl_kx1 | 0x10));
3982}
3983
3984static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
3985 struct bnx2x_phy *phy,
3986 u8 reset)
3987{
3988 u16 val;
3989 /* Take lane out of reset after configuration is finished */
3990 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3991 MDIO_WC_REG_DIGITAL5_MISC6, &val);
3992 if (reset)
3993 val |= 0xC000;
3994 else
3995 val &= 0x3FFF;
3996 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3997 MDIO_WC_REG_DIGITAL5_MISC6, val);
3998 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3999 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4000}
4001
4002
4003 /* Clear SFI/XFI link settings registers */
4004static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
4005 struct link_params *params,
4006 u16 lane)
4007{
4008 struct bnx2x *bp = params->bp;
4009 u16 val16;
4010
4011 /* Set XFI clock comp as default. */
4012 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4013 MDIO_WC_REG_RX66_CONTROL, &val16);
4014 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4015 MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
4016
4017 bnx2x_warpcore_reset_lane(bp, phy, 1);
4018 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
4019 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4020 MDIO_WC_REG_FX100_CTRL1, 0x014a);
4021 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4022 MDIO_WC_REG_FX100_CTRL3, 0x0800);
4023 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4024 MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
4025 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4026 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
4027 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4028 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
4029 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4030 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
4031 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4032 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
4033 lane = bnx2x_get_warpcore_lane(phy, params);
4034 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4035 MDIO_WC_REG_TX_FIR_TAP, 0x0000);
4036 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4037 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
4038 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4039 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
4040 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4041 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
4042 bnx2x_warpcore_reset_lane(bp, phy, 0);
4043}
4044
4045static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
4046 u32 chip_id,
4047 u32 shmem_base, u8 port,
4048 u8 *gpio_num, u8 *gpio_port)
4049{
4050 u32 cfg_pin;
4051 *gpio_num = 0;
4052 *gpio_port = 0;
4053 if (CHIP_IS_E3(bp)) {
4054 cfg_pin = (REG_RD(bp, shmem_base +
4055 offsetof(struct shmem_region,
4056 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4057 PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4058 PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4059
4060 /*
4061 * Should not happen. This function called upon interrupt
4062 * triggered by GPIO ( since EPIO can only generate interrupts
4063 * to MCP).
4064 * So if this function was called and none of the GPIOs was set,
4065 * it means the shit hit the fan.
4066 */
4067 if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4068 (cfg_pin > PIN_CFG_GPIO3_P1)) {
4069 DP(NETIF_MSG_LINK, "ERROR: Invalid cfg pin %x for "
4070 "module detect indication\n",
4071 cfg_pin);
4072 return -EINVAL;
4073 }
4074
4075 *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4076 *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4077 } else {
4078 *gpio_num = MISC_REGISTERS_GPIO_3;
4079 *gpio_port = port;
4080 }
4081 DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
4082 return 0;
4083}
4084
4085static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
4086 struct link_params *params)
4087{
4088 struct bnx2x *bp = params->bp;
4089 u8 gpio_num, gpio_port;
4090 u32 gpio_val;
4091 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
4092 params->shmem_base, params->port,
4093 &gpio_num, &gpio_port) != 0)
4094 return 0;
4095 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
4096
4097 /* Call the handling function in case module is detected */
4098 if (gpio_val == 0)
4099 return 1;
4100 else
4101 return 0;
4102}
4103
4104static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
4105 struct link_params *params,
4106 struct link_vars *vars)
4107{
4108 struct bnx2x *bp = params->bp;
4109 u32 serdes_net_if;
4110 u8 fiber_mode;
4111 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4112 serdes_net_if = (REG_RD(bp, params->shmem_base +
4113 offsetof(struct shmem_region, dev_info.
4114 port_hw_config[params->port].default_cfg)) &
4115 PORT_HW_CFG_NET_SERDES_IF_MASK);
4116 DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
4117 "serdes_net_if = 0x%x\n",
4118 vars->line_speed, serdes_net_if);
4119 bnx2x_set_aer_mmd(params, phy);
4120
4121 vars->phy_flags |= PHY_XGXS_FLAG;
4122 if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4123 (phy->req_line_speed &&
4124 ((phy->req_line_speed == SPEED_100) ||
4125 (phy->req_line_speed == SPEED_10)))) {
4126 vars->phy_flags |= PHY_SGMII_FLAG;
4127 DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
4128 bnx2x_warpcore_clear_regs(phy, params, lane);
4129 bnx2x_warpcore_set_sgmii_speed(phy, params, 0);
4130 } else {
4131 switch (serdes_net_if) {
4132 case PORT_HW_CFG_NET_SERDES_IF_KR:
4133 /* Enable KR Auto Neg */
4134 if (params->loopback_mode == LOOPBACK_NONE)
4135 bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4136 else {
4137 DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
4138 bnx2x_warpcore_set_10G_KR(phy, params, vars);
4139 }
4140 break;
4141
4142 case PORT_HW_CFG_NET_SERDES_IF_XFI:
4143 bnx2x_warpcore_clear_regs(phy, params, lane);
4144 if (vars->line_speed == SPEED_10000) {
4145 DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
4146 bnx2x_warpcore_set_10G_XFI(phy, params, 1);
4147 } else {
4148 if (SINGLE_MEDIA_DIRECT(params)) {
4149 DP(NETIF_MSG_LINK, "1G Fiber\n");
4150 fiber_mode = 1;
4151 } else {
4152 DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
4153 fiber_mode = 0;
4154 }
4155 bnx2x_warpcore_set_sgmii_speed(phy,
4156 params,
4157 fiber_mode);
4158 }
4159
4160 break;
4161
4162 case PORT_HW_CFG_NET_SERDES_IF_SFI:
4163
4164 bnx2x_warpcore_clear_regs(phy, params, lane);
4165 if (vars->line_speed == SPEED_10000) {
4166 DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
4167 bnx2x_warpcore_set_10G_XFI(phy, params, 0);
4168 } else if (vars->line_speed == SPEED_1000) {
4169 DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
4170 bnx2x_warpcore_set_sgmii_speed(phy, params, 1);
4171 }
4172 /* Issue Module detection */
4173 if (bnx2x_is_sfp_module_plugged(phy, params))
4174 bnx2x_sfp_module_detection(phy, params);
4175 break;
4176
4177 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4178 if (vars->line_speed != SPEED_20000) {
4179 DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4180 return;
4181 }
4182 DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
4183 bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
4184 /* Issue Module detection */
4185
4186 bnx2x_sfp_module_detection(phy, params);
4187 break;
4188
4189 case PORT_HW_CFG_NET_SERDES_IF_KR2:
4190 if (vars->line_speed != SPEED_20000) {
4191 DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4192 return;
4193 }
4194 DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
4195 bnx2x_warpcore_set_20G_KR2(bp, phy);
4196 break;
4197
4198 default:
4199 DP(NETIF_MSG_LINK, "Unsupported Serdes Net Interface "
4200 "0x%x\n", serdes_net_if);
4201 return;
4202 }
4203 }
4204
4205 /* Take lane out of reset after configuration is finished */
4206 bnx2x_warpcore_reset_lane(bp, phy, 0);
4207 DP(NETIF_MSG_LINK, "Exit config init\n");
4208}
4209
4210static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
4211 struct bnx2x_phy *phy,
4212 u8 tx_en)
4213{
4214 struct bnx2x *bp = params->bp;
4215 u32 cfg_pin;
4216 u8 port = params->port;
4217
4218 cfg_pin = REG_RD(bp, params->shmem_base +
4219 offsetof(struct shmem_region,
4220 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4221 PORT_HW_CFG_TX_LASER_MASK;
4222 /* Set the !tx_en since this pin is DISABLE_TX_LASER */
4223 DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
4224 /* For 20G, the expected pin to be used is 3 pins after the current */
4225
4226 bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
4227 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4228 bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
4229}
4230
4231static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
4232 struct link_params *params)
4233{
4234 struct bnx2x *bp = params->bp;
4235 u16 val16;
4236 bnx2x_sfp_e3_set_transmitter(params, phy, 0);
4237 bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
4238 bnx2x_set_aer_mmd(params, phy);
4239 /* Global register */
4240 bnx2x_warpcore_reset_lane(bp, phy, 1);
4241
4242 /* Clear loopback settings (if any) */
4243 /* 10G & 20G */
4244 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4245 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4246 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4247 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
4248 0xBFFF);
4249
4250 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4251 MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
4252 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4253 MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
4254
4255 /* Update those 1-copy registers */
4256 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4257 MDIO_AER_BLOCK_AER_REG, 0);
4258 /* Enable 1G MDIO (1-copy) */
4259 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4260 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4261 &val16);
4262 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4263 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4264 val16 & ~0x10);
4265
4266 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4267 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4268 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4269 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4270 val16 & 0xff00);
4271
4272}
4273
4274static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
4275 struct link_params *params)
4276{
4277 struct bnx2x *bp = params->bp;
4278 u16 val16;
4279 u32 lane;
4280 DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
4281 params->loopback_mode, phy->req_line_speed);
4282
4283 if (phy->req_line_speed < SPEED_10000) {
4284 /* 10/100/1000 */
4285
4286 /* Update those 1-copy registers */
4287 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4288 MDIO_AER_BLOCK_AER_REG, 0);
4289 /* Enable 1G MDIO (1-copy) */
4290 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4291 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4292 &val16);
4293 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4294 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4295 val16 | 0x10);
4296 /* Set 1G loopback based on lane (1-copy) */
4297 lane = bnx2x_get_warpcore_lane(phy, params);
4298 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4299 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4300 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4301 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4302 val16 | (1<<lane));
4303
4304 /* Switch back to 4-copy registers */
4305 bnx2x_set_aer_mmd(params, phy);
4306 /* Global loopback, not recommended. */
4307 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4308 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4309 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4310 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
4311 0x4000);
4312 } else {
4313 /* 10G & 20G */
4314 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4315 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4316 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4317 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
4318 0x4000);
4319
4320 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4321 MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
4322 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4323 MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
4324 }
4325}
4326
4327
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004328void bnx2x_link_status_update(struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004329 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004330{
4331 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004332 u8 link_10g_plus;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004333 u8 port = params->port;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00004334 u32 sync_offset, media_types;
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00004335 /* Update PHY configuration */
4336 set_phy_vars(params, vars);
4337
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004338 vars->link_status = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004339 offsetof(struct shmem_region,
4340 port_mb[port].link_status));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004341
4342 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00004343 vars->phy_flags = PHY_XGXS_FLAG;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004344 if (vars->link_up) {
4345 DP(NETIF_MSG_LINK, "phy link up\n");
4346
4347 vars->phy_link_up = 1;
4348 vars->duplex = DUPLEX_FULL;
4349 switch (vars->link_status &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004350 LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004351 case LINK_10THD:
4352 vars->duplex = DUPLEX_HALF;
4353 /* fall thru */
4354 case LINK_10TFD:
4355 vars->line_speed = SPEED_10;
4356 break;
4357
4358 case LINK_100TXHD:
4359 vars->duplex = DUPLEX_HALF;
4360 /* fall thru */
4361 case LINK_100T4:
4362 case LINK_100TXFD:
4363 vars->line_speed = SPEED_100;
4364 break;
4365
4366 case LINK_1000THD:
4367 vars->duplex = DUPLEX_HALF;
4368 /* fall thru */
4369 case LINK_1000TFD:
4370 vars->line_speed = SPEED_1000;
4371 break;
4372
4373 case LINK_2500THD:
4374 vars->duplex = DUPLEX_HALF;
4375 /* fall thru */
4376 case LINK_2500TFD:
4377 vars->line_speed = SPEED_2500;
4378 break;
4379
4380 case LINK_10GTFD:
4381 vars->line_speed = SPEED_10000;
4382 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004383 case LINK_20GTFD:
4384 vars->line_speed = SPEED_20000;
4385 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004386 default:
4387 break;
4388 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004389 vars->flow_ctrl = 0;
4390 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
4391 vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
4392
4393 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
4394 vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
4395
4396 if (!vars->flow_ctrl)
4397 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4398
4399 if (vars->line_speed &&
4400 ((vars->line_speed == SPEED_10) ||
4401 (vars->line_speed == SPEED_100))) {
4402 vars->phy_flags |= PHY_SGMII_FLAG;
4403 } else {
4404 vars->phy_flags &= ~PHY_SGMII_FLAG;
4405 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004406 if (vars->line_speed &&
4407 USES_WARPCORE(bp) &&
4408 (vars->line_speed == SPEED_1000))
4409 vars->phy_flags |= PHY_SGMII_FLAG;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004410 /* anything 10 and over uses the bmac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004411 link_10g_plus = (vars->line_speed >= SPEED_10000);
4412
4413 if (link_10g_plus) {
4414 if (USES_WARPCORE(bp))
4415 vars->mac_type = MAC_TYPE_XMAC;
4416 else
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004417 vars->mac_type = MAC_TYPE_BMAC;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004418 } else {
4419 if (USES_WARPCORE(bp))
4420 vars->mac_type = MAC_TYPE_UMAC;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004421 else
4422 vars->mac_type = MAC_TYPE_EMAC;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004423 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004424 } else { /* link down */
4425 DP(NETIF_MSG_LINK, "phy link down\n");
4426
4427 vars->phy_link_up = 0;
4428
4429 vars->line_speed = 0;
4430 vars->duplex = DUPLEX_FULL;
4431 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4432
4433 /* indicate no mac active */
4434 vars->mac_type = MAC_TYPE_NONE;
4435 }
4436
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00004437 /* Sync media type */
4438 sync_offset = params->shmem_base +
4439 offsetof(struct shmem_region,
4440 dev_info.port_hw_config[port].media_type);
4441 media_types = REG_RD(bp, sync_offset);
4442
4443 params->phy[INT_PHY].media_type =
4444 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
4445 PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
4446 params->phy[EXT_PHY1].media_type =
4447 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
4448 PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
4449 params->phy[EXT_PHY2].media_type =
4450 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
4451 PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
4452 DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
4453
Yaniv Rosner020c7e32011-05-31 21:28:43 +00004454 /* Sync AEU offset */
4455 sync_offset = params->shmem_base +
4456 offsetof(struct shmem_region,
4457 dev_info.port_hw_config[port].aeu_int_mask);
4458
4459 vars->aeu_int_mask = REG_RD(bp, sync_offset);
4460
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00004461 /* Sync PFC status */
4462 if (vars->link_status & LINK_STATUS_PFC_ENABLED)
4463 params->feature_config_flags |=
4464 FEATURE_CONFIG_PFC_ENABLED;
4465 else
4466 params->feature_config_flags &=
4467 ~FEATURE_CONFIG_PFC_ENABLED;
4468
Yaniv Rosner020c7e32011-05-31 21:28:43 +00004469 DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
4470 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004471 DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
4472 vars->line_speed, vars->duplex, vars->flow_ctrl);
4473}
4474
4475
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004476static void bnx2x_set_master_ln(struct link_params *params,
4477 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004478{
4479 struct bnx2x *bp = params->bp;
4480 u16 new_master_ln, ser_lane;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004481 ser_lane = ((params->lane_config &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004482 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004483 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004484
4485 /* set the master_ln for AN */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004486 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004487 MDIO_REG_BANK_XGXS_BLOCK2,
4488 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4489 &new_master_ln);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004490
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004491 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004492 MDIO_REG_BANK_XGXS_BLOCK2 ,
4493 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4494 (new_master_ln | ser_lane));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004495}
4496
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004497static int bnx2x_reset_unicore(struct link_params *params,
4498 struct bnx2x_phy *phy,
4499 u8 set_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004500{
4501 struct bnx2x *bp = params->bp;
4502 u16 mii_control;
4503 u16 i;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004504 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004505 MDIO_REG_BANK_COMBO_IEEE0,
4506 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004507
4508 /* reset the unicore */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004509 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004510 MDIO_REG_BANK_COMBO_IEEE0,
4511 MDIO_COMBO_IEEE0_MII_CONTROL,
4512 (mii_control |
4513 MDIO_COMBO_IEEO_MII_CONTROL_RESET));
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004514 if (set_serdes)
4515 bnx2x_set_serdes_access(bp, params->port);
Eilon Greensteinc1b73992009-02-12 08:37:07 +00004516
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004517 /* wait for the reset to self clear */
4518 for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
4519 udelay(5);
4520
4521 /* the reset erased the previous bank value */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004522 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004523 MDIO_REG_BANK_COMBO_IEEE0,
4524 MDIO_COMBO_IEEE0_MII_CONTROL,
4525 &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004526
4527 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
4528 udelay(5);
4529 return 0;
4530 }
4531 }
4532
Yaniv Rosner6d870c32011-01-31 04:22:20 +00004533 netdev_err(bp->dev, "Warning: PHY was not initialized,"
4534 " Port %d\n",
4535 params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004536 DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
4537 return -EINVAL;
4538
4539}
4540
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004541static void bnx2x_set_swap_lanes(struct link_params *params,
4542 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004543{
4544 struct bnx2x *bp = params->bp;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004545 /*
4546 * Each two bits represents a lane number:
4547 * No swap is 0123 => 0x1b no need to enable the swap
4548 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004549 u16 ser_lane, rx_lane_swap, tx_lane_swap;
4550
4551 ser_lane = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004552 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
4553 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004554 rx_lane_swap = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004555 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
4556 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004557 tx_lane_swap = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004558 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
4559 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004560
4561 if (rx_lane_swap != 0x1b) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004562 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004563 MDIO_REG_BANK_XGXS_BLOCK2,
4564 MDIO_XGXS_BLOCK2_RX_LN_SWAP,
4565 (rx_lane_swap |
4566 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
4567 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004568 } else {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004569 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004570 MDIO_REG_BANK_XGXS_BLOCK2,
4571 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004572 }
4573
4574 if (tx_lane_swap != 0x1b) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004575 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004576 MDIO_REG_BANK_XGXS_BLOCK2,
4577 MDIO_XGXS_BLOCK2_TX_LN_SWAP,
4578 (tx_lane_swap |
4579 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004580 } else {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004581 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004582 MDIO_REG_BANK_XGXS_BLOCK2,
4583 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004584 }
4585}
4586
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004587static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
4588 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004589{
4590 struct bnx2x *bp = params->bp;
4591 u16 control2;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004592 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004593 MDIO_REG_BANK_SERDES_DIGITAL,
4594 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4595 &control2);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004596 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02004597 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4598 else
4599 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004600 DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
4601 phy->speed_cap_mask, control2);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004602 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004603 MDIO_REG_BANK_SERDES_DIGITAL,
4604 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4605 control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004606
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004607 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00004608 (phy->speed_cap_mask &
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02004609 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004610 DP(NETIF_MSG_LINK, "XGXS\n");
4611
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004612 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004613 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4614 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
4615 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004616
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004617 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004618 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4619 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4620 &control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004621
4622
4623 control2 |=
4624 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
4625
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004626 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004627 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4628 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4629 control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004630
4631 /* Disable parallel detection of HiG */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004632 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004633 MDIO_REG_BANK_XGXS_BLOCK2,
4634 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
4635 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
4636 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004637 }
4638}
4639
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004640static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
4641 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004642 struct link_vars *vars,
4643 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004644{
4645 struct bnx2x *bp = params->bp;
4646 u16 reg_val;
4647
4648 /* CL37 Autoneg */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004649 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004650 MDIO_REG_BANK_COMBO_IEEE0,
4651 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004652
4653 /* CL37 Autoneg Enabled */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004654 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004655 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
4656 else /* CL37 Autoneg Disabled */
4657 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4658 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
4659
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004660 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004661 MDIO_REG_BANK_COMBO_IEEE0,
4662 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004663
4664 /* Enable/Disable Autodetection */
4665
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004666 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004667 MDIO_REG_BANK_SERDES_DIGITAL,
4668 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00004669 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
4670 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
4671 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004672 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004673 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
4674 else
4675 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
4676
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004677 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004678 MDIO_REG_BANK_SERDES_DIGITAL,
4679 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004680
4681 /* Enable TetonII and BAM autoneg */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004682 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004683 MDIO_REG_BANK_BAM_NEXT_PAGE,
4684 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004685 &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004686 if (vars->line_speed == SPEED_AUTO_NEG) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004687 /* Enable BAM aneg Mode and TetonII aneg Mode */
4688 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
4689 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
4690 } else {
4691 /* TetonII and BAM Autoneg Disabled */
4692 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
4693 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
4694 }
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004695 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004696 MDIO_REG_BANK_BAM_NEXT_PAGE,
4697 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
4698 reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004699
Eilon Greenstein239d6862009-08-12 08:23:04 +00004700 if (enable_cl73) {
4701 /* Enable Cl73 FSM status bits */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004702 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004703 MDIO_REG_BANK_CL73_USERB0,
4704 MDIO_CL73_USERB0_CL73_UCTRL,
4705 0xe);
Eilon Greenstein239d6862009-08-12 08:23:04 +00004706
4707 /* Enable BAM Station Manager*/
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004708 CL22_WR_OVER_CL45(bp, phy,
Eilon Greenstein239d6862009-08-12 08:23:04 +00004709 MDIO_REG_BANK_CL73_USERB0,
4710 MDIO_CL73_USERB0_CL73_BAM_CTRL1,
4711 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
4712 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
4713 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
4714
Yaniv Rosner7846e472009-11-05 19:18:07 +02004715 /* Advertise CL73 link speeds */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004716 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004717 MDIO_REG_BANK_CL73_IEEEB1,
4718 MDIO_CL73_IEEEB1_AN_ADV2,
4719 &reg_val);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004720 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02004721 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
4722 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004723 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02004724 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
4725 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
Eilon Greenstein239d6862009-08-12 08:23:04 +00004726
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004727 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004728 MDIO_REG_BANK_CL73_IEEEB1,
4729 MDIO_CL73_IEEEB1_AN_ADV2,
4730 reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00004731
Eilon Greenstein239d6862009-08-12 08:23:04 +00004732 /* CL73 Autoneg Enabled */
4733 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
4734
4735 } else /* CL73 Autoneg Disabled */
4736 reg_val = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004737
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004738 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004739 MDIO_REG_BANK_CL73_IEEEB0,
4740 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004741}
4742
4743/* program SerDes, forced speed */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004744static void bnx2x_program_serdes(struct bnx2x_phy *phy,
4745 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004746 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004747{
4748 struct bnx2x *bp = params->bp;
4749 u16 reg_val;
4750
Eilon Greenstein57937202009-08-12 08:23:53 +00004751 /* program duplex, disable autoneg and sgmii*/
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004752 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004753 MDIO_REG_BANK_COMBO_IEEE0,
4754 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004755 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
Eilon Greenstein57937202009-08-12 08:23:53 +00004756 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4757 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004758 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004759 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004760 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004761 MDIO_REG_BANK_COMBO_IEEE0,
4762 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004763
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004764 /*
4765 * program speed
4766 * - needed only if the speed is greater than 1G (2.5G or 10G)
4767 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004768 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004769 MDIO_REG_BANK_SERDES_DIGITAL,
4770 MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004771 /* clearing the speed value before setting the right speed */
4772 DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
4773
4774 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
4775 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
4776
4777 if (!((vars->line_speed == SPEED_1000) ||
4778 (vars->line_speed == SPEED_100) ||
4779 (vars->line_speed == SPEED_10))) {
4780
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004781 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
4782 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004783 if (vars->line_speed == SPEED_10000)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004784 reg_val |=
4785 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004786 }
4787
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004788 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004789 MDIO_REG_BANK_SERDES_DIGITAL,
4790 MDIO_SERDES_DIGITAL_MISC1, reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004791
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004792}
4793
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00004794static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
4795 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004796{
4797 struct bnx2x *bp = params->bp;
4798 u16 val = 0;
4799
4800 /* configure the 48 bits for BAM AN */
4801
4802 /* set extended capabilities */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004803 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004804 val |= MDIO_OVER_1G_UP1_2_5G;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004805 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004806 val |= MDIO_OVER_1G_UP1_10G;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004807 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004808 MDIO_REG_BANK_OVER_1G,
4809 MDIO_OVER_1G_UP1, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004810
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004811 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004812 MDIO_REG_BANK_OVER_1G,
4813 MDIO_OVER_1G_UP3, 0x400);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004814}
4815
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00004816static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
4817 struct link_params *params,
4818 u16 ieee_fc)
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004819{
4820 struct bnx2x *bp = params->bp;
Yaniv Rosner7846e472009-11-05 19:18:07 +02004821 u16 val;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004822 /* for AN, we are always publishing full duplex */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004823
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004824 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004825 MDIO_REG_BANK_COMBO_IEEE0,
4826 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004827 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004828 MDIO_REG_BANK_CL73_IEEEB1,
4829 MDIO_CL73_IEEEB1_AN_ADV1, &val);
Yaniv Rosner7846e472009-11-05 19:18:07 +02004830 val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
4831 val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004832 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004833 MDIO_REG_BANK_CL73_IEEEB1,
4834 MDIO_CL73_IEEEB1_AN_ADV1, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004835}
4836
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004837static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
4838 struct link_params *params,
4839 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004840{
4841 struct bnx2x *bp = params->bp;
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00004842 u16 mii_control;
Eilon Greenstein239d6862009-08-12 08:23:04 +00004843
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004844 DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00004845 /* Enable and restart BAM/CL37 aneg */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004846
Eilon Greenstein239d6862009-08-12 08:23:04 +00004847 if (enable_cl73) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004848 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004849 MDIO_REG_BANK_CL73_IEEEB0,
4850 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
4851 &mii_control);
Eilon Greenstein239d6862009-08-12 08:23:04 +00004852
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004853 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004854 MDIO_REG_BANK_CL73_IEEEB0,
4855 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
4856 (mii_control |
4857 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
4858 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
Eilon Greenstein239d6862009-08-12 08:23:04 +00004859 } else {
4860
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004861 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004862 MDIO_REG_BANK_COMBO_IEEE0,
4863 MDIO_COMBO_IEEE0_MII_CONTROL,
4864 &mii_control);
Eilon Greenstein239d6862009-08-12 08:23:04 +00004865 DP(NETIF_MSG_LINK,
4866 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
4867 mii_control);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004868 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004869 MDIO_REG_BANK_COMBO_IEEE0,
4870 MDIO_COMBO_IEEE0_MII_CONTROL,
4871 (mii_control |
4872 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4873 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
Eilon Greenstein239d6862009-08-12 08:23:04 +00004874 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004875}
4876
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004877static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
4878 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004879 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004880{
4881 struct bnx2x *bp = params->bp;
4882 u16 control1;
4883
4884 /* in SGMII mode, the unicore is always slave */
4885
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004886 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004887 MDIO_REG_BANK_SERDES_DIGITAL,
4888 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
4889 &control1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004890 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
4891 /* set sgmii mode (and not fiber) */
4892 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
4893 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
4894 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004895 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004896 MDIO_REG_BANK_SERDES_DIGITAL,
4897 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
4898 control1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004899
4900 /* if forced speed */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004901 if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004902 /* set speed, disable autoneg */
4903 u16 mii_control;
4904
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004905 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004906 MDIO_REG_BANK_COMBO_IEEE0,
4907 MDIO_COMBO_IEEE0_MII_CONTROL,
4908 &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004909 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4910 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
4911 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
4912
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004913 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004914 case SPEED_100:
4915 mii_control |=
4916 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
4917 break;
4918 case SPEED_1000:
4919 mii_control |=
4920 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
4921 break;
4922 case SPEED_10:
4923 /* there is nothing to set for 10M */
4924 break;
4925 default:
4926 /* invalid speed for SGMII */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004927 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
4928 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004929 break;
4930 }
4931
4932 /* setting the full duplex */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004933 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004934 mii_control |=
4935 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004936 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004937 MDIO_REG_BANK_COMBO_IEEE0,
4938 MDIO_COMBO_IEEE0_MII_CONTROL,
4939 mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004940
4941 } else { /* AN mode */
4942 /* enable and restart AN */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004943 bnx2x_restart_autoneg(phy, params, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004944 }
4945}
4946
4947
4948/*
4949 * link management
4950 */
4951
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004952static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
4953 struct link_params *params)
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02004954{
4955 struct bnx2x *bp = params->bp;
4956 u16 pd_10g, status2_1000x;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004957 if (phy->req_line_speed != SPEED_AUTO_NEG)
4958 return 0;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004959 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004960 MDIO_REG_BANK_SERDES_DIGITAL,
4961 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
4962 &status2_1000x);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004963 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004964 MDIO_REG_BANK_SERDES_DIGITAL,
4965 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
4966 &status2_1000x);
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02004967 if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
4968 DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
4969 params->port);
4970 return 1;
4971 }
4972
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004973 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004974 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4975 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
4976 &pd_10g);
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02004977
4978 if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
4979 DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
4980 params->port);
4981 return 1;
4982 }
4983 return 0;
4984}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004985
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004986static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
4987 struct link_params *params,
4988 struct link_vars *vars,
4989 u32 gp_status)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004990{
4991 struct bnx2x *bp = params->bp;
Eilon Greenstein3196a882008-08-13 15:58:49 -07004992 u16 ld_pause; /* local driver */
4993 u16 lp_pause; /* link partner */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004994 u16 pause_result;
4995
David S. Millerc0700f92008-12-16 23:53:20 -08004996 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004997
4998 /* resolve from gp_status in case of AN complete and not sgmii */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004999 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
5000 vars->flow_ctrl = phy->req_flow_ctrl;
5001 else if (phy->req_line_speed != SPEED_AUTO_NEG)
5002 vars->flow_ctrl = params->req_fc_auto_adv;
5003 else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
5004 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005005 if (bnx2x_direct_parallel_detect_used(phy, params)) {
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02005006 vars->flow_ctrl = params->req_fc_auto_adv;
5007 return;
5008 }
Yaniv Rosner7846e472009-11-05 19:18:07 +02005009 if ((gp_status &
5010 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5011 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
5012 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5013 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
5014
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005015 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005016 MDIO_REG_BANK_CL73_IEEEB1,
5017 MDIO_CL73_IEEEB1_AN_ADV1,
5018 &ld_pause);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005019 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005020 MDIO_REG_BANK_CL73_IEEEB1,
5021 MDIO_CL73_IEEEB1_AN_LP_ADV1,
5022 &lp_pause);
Yaniv Rosner7846e472009-11-05 19:18:07 +02005023 pause_result = (ld_pause &
5024 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
5025 >> 8;
5026 pause_result |= (lp_pause &
5027 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
5028 >> 10;
5029 DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
5030 pause_result);
5031 } else {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005032 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005033 MDIO_REG_BANK_COMBO_IEEE0,
5034 MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
5035 &ld_pause);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005036 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005037 MDIO_REG_BANK_COMBO_IEEE0,
5038 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
5039 &lp_pause);
Yaniv Rosner7846e472009-11-05 19:18:07 +02005040 pause_result = (ld_pause &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005041 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
Yaniv Rosner7846e472009-11-05 19:18:07 +02005042 pause_result |= (lp_pause &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005043 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
Yaniv Rosner7846e472009-11-05 19:18:07 +02005044 DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
5045 pause_result);
5046 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005047 bnx2x_pause_resolve(vars, pause_result);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005048 }
5049 DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
5050}
5051
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005052static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
5053 struct link_params *params)
Eilon Greenstein239d6862009-08-12 08:23:04 +00005054{
5055 struct bnx2x *bp = params->bp;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005056 u16 rx_status, ustat_val, cl37_fsm_received;
Eilon Greenstein239d6862009-08-12 08:23:04 +00005057 DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
5058 /* Step 1: Make sure signal is detected */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005059 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005060 MDIO_REG_BANK_RX0,
5061 MDIO_RX0_RX_STATUS,
5062 &rx_status);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005063 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
5064 (MDIO_RX0_RX_STATUS_SIGDET)) {
5065 DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
5066 "rx_status(0x80b0) = 0x%x\n", rx_status);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005067 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005068 MDIO_REG_BANK_CL73_IEEEB0,
5069 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5070 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005071 return;
5072 }
5073 /* Step 2: Check CL73 state machine */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005074 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005075 MDIO_REG_BANK_CL73_USERB0,
5076 MDIO_CL73_USERB0_CL73_USTAT1,
5077 &ustat_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005078 if ((ustat_val &
5079 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5080 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
5081 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5082 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
5083 DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
5084 "ustat_val(0x8371) = 0x%x\n", ustat_val);
5085 return;
5086 }
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005087 /*
5088 * Step 3: Check CL37 Message Pages received to indicate LP
5089 * supports only CL37
5090 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005091 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005092 MDIO_REG_BANK_REMOTE_PHY,
5093 MDIO_REMOTE_PHY_MISC_RX_STATUS,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005094 &cl37_fsm_received);
5095 if ((cl37_fsm_received &
Eilon Greenstein239d6862009-08-12 08:23:04 +00005096 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5097 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
5098 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5099 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
5100 DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
5101 "misc_rx_status(0x8330) = 0x%x\n",
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005102 cl37_fsm_received);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005103 return;
5104 }
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005105 /*
5106 * The combined cl37/cl73 fsm state information indicating that
5107 * we are connected to a device which does not support cl73, but
5108 * does support cl37 BAM. In this case we disable cl73 and
5109 * restart cl37 auto-neg
5110 */
5111
Eilon Greenstein239d6862009-08-12 08:23:04 +00005112 /* Disable CL73 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005113 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005114 MDIO_REG_BANK_CL73_IEEEB0,
5115 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5116 0);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005117 /* Restart CL37 autoneg */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005118 bnx2x_restart_autoneg(phy, params, 0);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005119 DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
5120}
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005121
5122static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
5123 struct link_params *params,
5124 struct link_vars *vars,
5125 u32 gp_status)
5126{
5127 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
5128 vars->link_status |=
5129 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5130
5131 if (bnx2x_direct_parallel_detect_used(phy, params))
5132 vars->link_status |=
5133 LINK_STATUS_PARALLEL_DETECTION_USED;
5134}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005135static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
5136 struct link_params *params,
5137 struct link_vars *vars,
5138 u16 is_link_up,
5139 u16 speed_mask,
5140 u16 is_duplex)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005141{
5142 struct bnx2x *bp = params->bp;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005143 if (phy->req_line_speed == SPEED_AUTO_NEG)
5144 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005145 if (is_link_up) {
5146 DP(NETIF_MSG_LINK, "phy link up\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005147
5148 vars->phy_link_up = 1;
5149 vars->link_status |= LINK_STATUS_LINK_UP;
5150
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005151 switch (speed_mask) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005152 case GP_STATUS_10M:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005153 vars->line_speed = SPEED_10;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005154 if (vars->duplex == DUPLEX_FULL)
5155 vars->link_status |= LINK_10TFD;
5156 else
5157 vars->link_status |= LINK_10THD;
5158 break;
5159
5160 case GP_STATUS_100M:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005161 vars->line_speed = SPEED_100;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005162 if (vars->duplex == DUPLEX_FULL)
5163 vars->link_status |= LINK_100TXFD;
5164 else
5165 vars->link_status |= LINK_100TXHD;
5166 break;
5167
5168 case GP_STATUS_1G:
5169 case GP_STATUS_1G_KX:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005170 vars->line_speed = SPEED_1000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005171 if (vars->duplex == DUPLEX_FULL)
5172 vars->link_status |= LINK_1000TFD;
5173 else
5174 vars->link_status |= LINK_1000THD;
5175 break;
5176
5177 case GP_STATUS_2_5G:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005178 vars->line_speed = SPEED_2500;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005179 if (vars->duplex == DUPLEX_FULL)
5180 vars->link_status |= LINK_2500TFD;
5181 else
5182 vars->link_status |= LINK_2500THD;
5183 break;
5184
5185 case GP_STATUS_5G:
5186 case GP_STATUS_6G:
5187 DP(NETIF_MSG_LINK,
5188 "link speed unsupported gp_status 0x%x\n",
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005189 speed_mask);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005190 return -EINVAL;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005191
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005192 case GP_STATUS_10G_KX4:
5193 case GP_STATUS_10G_HIG:
5194 case GP_STATUS_10G_CX4:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005195 case GP_STATUS_10G_KR:
5196 case GP_STATUS_10G_SFI:
5197 case GP_STATUS_10G_XFI:
5198 vars->line_speed = SPEED_10000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005199 vars->link_status |= LINK_10GTFD;
5200 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005201 case GP_STATUS_20G_DXGXS:
5202 vars->line_speed = SPEED_20000;
5203 vars->link_status |= LINK_20GTFD;
5204 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005205 default:
5206 DP(NETIF_MSG_LINK,
5207 "link speed unsupported gp_status 0x%x\n",
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005208 speed_mask);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005209 return -EINVAL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005210 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005211 } else { /* link_down */
5212 DP(NETIF_MSG_LINK, "phy link down\n");
5213
5214 vars->phy_link_up = 0;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005215
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005216 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08005217 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005218 vars->mac_type = MAC_TYPE_NONE;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005219 }
5220 DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
5221 vars->phy_link_up, vars->line_speed);
5222 return 0;
5223}
Eilon Greenstein239d6862009-08-12 08:23:04 +00005224
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005225static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
5226 struct link_params *params,
5227 struct link_vars *vars)
5228{
5229
5230 struct bnx2x *bp = params->bp;
5231
5232 u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
5233 int rc = 0;
5234
5235 /* Read gp_status */
5236 CL22_RD_OVER_CL45(bp, phy,
5237 MDIO_REG_BANK_GP_STATUS,
5238 MDIO_GP_STATUS_TOP_AN_STATUS1,
5239 &gp_status);
5240 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
5241 duplex = DUPLEX_FULL;
5242 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
5243 link_up = 1;
5244 speed_mask = gp_status & GP_STATUS_SPEED_MASK;
5245 DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
5246 gp_status, link_up, speed_mask);
5247 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
5248 duplex);
5249 if (rc == -EINVAL)
5250 return rc;
5251
5252 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
5253 if (SINGLE_MEDIA_DIRECT(params)) {
5254 bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
5255 if (phy->req_line_speed == SPEED_AUTO_NEG)
5256 bnx2x_xgxs_an_resolve(phy, params, vars,
5257 gp_status);
5258 }
5259 } else { /* link_down */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005260 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5261 SINGLE_MEDIA_DIRECT(params)) {
Eilon Greenstein239d6862009-08-12 08:23:04 +00005262 /* Check signal is detected */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005263 bnx2x_check_fallback_to_cl37(phy, params);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005264 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005265 }
5266
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005267 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5268 vars->duplex, vars->flow_ctrl, vars->link_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005269 return rc;
5270}
5271
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005272static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
5273 struct link_params *params,
5274 struct link_vars *vars)
5275{
5276
5277 struct bnx2x *bp = params->bp;
5278
5279 u8 lane;
5280 u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
5281 int rc = 0;
5282 lane = bnx2x_get_warpcore_lane(phy, params);
5283 /* Read gp_status */
5284 if (phy->req_line_speed > SPEED_10000) {
5285 u16 temp_link_up;
5286 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5287 1, &temp_link_up);
5288 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5289 1, &link_up);
5290 DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
5291 temp_link_up, link_up);
5292 link_up &= (1<<2);
5293 if (link_up)
5294 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5295 } else {
5296 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5297 MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
5298 DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
5299 /* Check for either KR or generic link up. */
5300 gp_status1 = ((gp_status1 >> 8) & 0xf) |
5301 ((gp_status1 >> 12) & 0xf);
5302 link_up = gp_status1 & (1 << lane);
5303 if (link_up && SINGLE_MEDIA_DIRECT(params)) {
5304 u16 pd, gp_status4;
5305 if (phy->req_line_speed == SPEED_AUTO_NEG) {
5306 /* Check Autoneg complete */
5307 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5308 MDIO_WC_REG_GP2_STATUS_GP_2_4,
5309 &gp_status4);
5310 if (gp_status4 & ((1<<12)<<lane))
5311 vars->link_status |=
5312 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5313
5314 /* Check parallel detect used */
5315 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5316 MDIO_WC_REG_PAR_DET_10G_STATUS,
5317 &pd);
5318 if (pd & (1<<15))
5319 vars->link_status |=
5320 LINK_STATUS_PARALLEL_DETECTION_USED;
5321 }
5322 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5323 }
5324 }
5325
5326 if (lane < 2) {
5327 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5328 MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
5329 } else {
5330 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5331 MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
5332 }
5333 DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
5334
5335 if ((lane & 1) == 0)
5336 gp_speed <<= 8;
5337 gp_speed &= 0x3f00;
5338
5339
5340 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
5341 duplex);
5342
5343 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5344 vars->duplex, vars->flow_ctrl, vars->link_status);
5345 return rc;
5346}
Eilon Greensteined8680a2009-02-12 08:37:12 +00005347static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005348{
5349 struct bnx2x *bp = params->bp;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005350 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005351 u16 lp_up2;
5352 u16 tx_driver;
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005353 u16 bank;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005354
5355 /* read precomp */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005356 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005357 MDIO_REG_BANK_OVER_1G,
5358 MDIO_OVER_1G_LP_UP2, &lp_up2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005359
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005360 /* bits [10:7] at lp_up2, positioned at [15:12] */
5361 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
5362 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
5363 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
5364
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005365 if (lp_up2 == 0)
5366 return;
5367
5368 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
5369 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005370 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005371 bank,
5372 MDIO_TX0_TX_DRIVER, &tx_driver);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005373
5374 /* replace tx_driver bits [15:12] */
5375 if (lp_up2 !=
5376 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
5377 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
5378 tx_driver |= lp_up2;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005379 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005380 bank,
5381 MDIO_TX0_TX_DRIVER, tx_driver);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005382 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005383 }
5384}
5385
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005386static int bnx2x_emac_program(struct link_params *params,
5387 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005388{
5389 struct bnx2x *bp = params->bp;
5390 u8 port = params->port;
5391 u16 mode = 0;
5392
5393 DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
5394 bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005395 EMAC_REG_EMAC_MODE,
5396 (EMAC_MODE_25G_MODE |
5397 EMAC_MODE_PORT_MII_10M |
5398 EMAC_MODE_HALF_DUPLEX));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005399 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005400 case SPEED_10:
5401 mode |= EMAC_MODE_PORT_MII_10M;
5402 break;
5403
5404 case SPEED_100:
5405 mode |= EMAC_MODE_PORT_MII;
5406 break;
5407
5408 case SPEED_1000:
5409 mode |= EMAC_MODE_PORT_GMII;
5410 break;
5411
5412 case SPEED_2500:
5413 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
5414 break;
5415
5416 default:
5417 /* 10G not valid for EMAC */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005418 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5419 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005420 return -EINVAL;
5421 }
5422
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005423 if (vars->duplex == DUPLEX_HALF)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005424 mode |= EMAC_MODE_HALF_DUPLEX;
5425 bnx2x_bits_en(bp,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005426 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
5427 mode);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005428
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005429 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005430 return 0;
5431}
5432
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005433static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
5434 struct link_params *params)
5435{
5436
5437 u16 bank, i = 0;
5438 struct bnx2x *bp = params->bp;
5439
5440 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
5441 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005442 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005443 bank,
5444 MDIO_RX0_RX_EQ_BOOST,
5445 phy->rx_preemphasis[i]);
5446 }
5447
5448 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
5449 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005450 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005451 bank,
5452 MDIO_TX0_TX_DRIVER,
5453 phy->tx_preemphasis[i]);
5454 }
5455}
5456
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005457static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
5458 struct link_params *params,
5459 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005460{
5461 struct bnx2x *bp = params->bp;
5462 u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
5463 (params->loopback_mode == LOOPBACK_XGXS));
5464 if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
5465 if (SINGLE_MEDIA_DIRECT(params) &&
5466 (params->feature_config_flags &
5467 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
5468 bnx2x_set_preemphasis(phy, params);
5469
5470 /* forced speed requested? */
5471 if (vars->line_speed != SPEED_AUTO_NEG ||
5472 (SINGLE_MEDIA_DIRECT(params) &&
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005473 params->loopback_mode == LOOPBACK_EXT)) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005474 DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
5475
5476 /* disable autoneg */
5477 bnx2x_set_autoneg(phy, params, vars, 0);
5478
5479 /* program speed and duplex */
5480 bnx2x_program_serdes(phy, params, vars);
5481
5482 } else { /* AN_mode */
5483 DP(NETIF_MSG_LINK, "not SGMII, AN\n");
5484
5485 /* AN enabled */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005486 bnx2x_set_brcm_cl37_advertisement(phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005487
5488 /* program duplex & pause advertisement (for aneg) */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005489 bnx2x_set_ieee_aneg_advertisement(phy, params,
5490 vars->ieee_fc);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005491
5492 /* enable autoneg */
5493 bnx2x_set_autoneg(phy, params, vars, enable_cl73);
5494
5495 /* enable and restart AN */
5496 bnx2x_restart_autoneg(phy, params, enable_cl73);
5497 }
5498
5499 } else { /* SGMII mode */
5500 DP(NETIF_MSG_LINK, "SGMII\n");
5501
5502 bnx2x_initialize_sgmii_process(phy, params, vars);
5503 }
5504}
5505
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005506static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
5507 struct link_params *params,
5508 struct link_vars *vars)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005509{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005510 int rc;
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005511 vars->phy_flags |= PHY_XGXS_FLAG;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005512 if ((phy->req_line_speed &&
5513 ((phy->req_line_speed == SPEED_100) ||
5514 (phy->req_line_speed == SPEED_10))) ||
5515 (!phy->req_line_speed &&
5516 (phy->speed_cap_mask >=
5517 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
5518 (phy->speed_cap_mask <
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005519 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5520 (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005521 vars->phy_flags |= PHY_SGMII_FLAG;
5522 else
5523 vars->phy_flags &= ~PHY_SGMII_FLAG;
5524
5525 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005526 bnx2x_set_aer_mmd(params, phy);
5527 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
5528 bnx2x_set_master_ln(params, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005529
5530 rc = bnx2x_reset_unicore(params, phy, 0);
5531 /* reset the SerDes and wait for reset bit return low */
5532 if (rc != 0)
5533 return rc;
5534
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005535 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005536 /* setting the masterLn_def again after the reset */
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005537 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
5538 bnx2x_set_master_ln(params, phy);
5539 bnx2x_set_swap_lanes(params, phy);
5540 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005541
5542 return rc;
5543}
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005544
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005545static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
Yaniv Rosner6d870c32011-01-31 04:22:20 +00005546 struct bnx2x_phy *phy,
5547 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005548{
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005549 u16 cnt, ctrl;
Lucas De Marchi25985ed2011-03-30 22:57:33 -03005550 /* Wait for soft reset to get cleared up to 1 sec */
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005551 for (cnt = 0; cnt < 1000; cnt++) {
Yaniv Rosner6583e332011-06-14 01:34:17 +00005552 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616)
5553 bnx2x_cl22_read(bp, phy,
5554 MDIO_PMA_REG_CTRL, &ctrl);
5555 else
5556 bnx2x_cl45_read(bp, phy,
5557 MDIO_PMA_DEVAD,
5558 MDIO_PMA_REG_CTRL, &ctrl);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005559 if (!(ctrl & (1<<15)))
5560 break;
5561 msleep(1);
5562 }
Yaniv Rosner6d870c32011-01-31 04:22:20 +00005563
5564 if (cnt == 1000)
5565 netdev_err(bp->dev, "Warning: PHY was not initialized,"
5566 " Port %d\n",
5567 params->port);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005568 DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
5569 return cnt;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005570}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005571
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005572static void bnx2x_link_int_enable(struct link_params *params)
5573{
5574 u8 port = params->port;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005575 u32 mask;
5576 struct bnx2x *bp = params->bp;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005577
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005578 /* Setting the status to report on link up for either XGXS or SerDes */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005579 if (CHIP_IS_E3(bp)) {
5580 mask = NIG_MASK_XGXS0_LINK_STATUS;
5581 if (!(SINGLE_MEDIA_DIRECT(params)))
5582 mask |= NIG_MASK_MI_INT;
5583 } else if (params->switch_cfg == SWITCH_CFG_10G) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005584 mask = (NIG_MASK_XGXS0_LINK10G |
5585 NIG_MASK_XGXS0_LINK_STATUS);
5586 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005587 if (!(SINGLE_MEDIA_DIRECT(params)) &&
5588 params->phy[INT_PHY].type !=
5589 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005590 mask |= NIG_MASK_MI_INT;
5591 DP(NETIF_MSG_LINK, "enabled external phy int\n");
5592 }
5593
5594 } else { /* SerDes */
5595 mask = NIG_MASK_SERDES0_LINK_STATUS;
5596 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005597 if (!(SINGLE_MEDIA_DIRECT(params)) &&
5598 params->phy[INT_PHY].type !=
5599 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005600 mask |= NIG_MASK_MI_INT;
5601 DP(NETIF_MSG_LINK, "enabled external phy int\n");
5602 }
5603 }
5604 bnx2x_bits_en(bp,
5605 NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
5606 mask);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005607
5608 DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005609 (params->switch_cfg == SWITCH_CFG_10G),
5610 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005611 DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
5612 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
5613 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
5614 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
5615 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
5616 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
5617 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
5618}
5619
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005620static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
5621 u8 exp_mi_int)
Eilon Greenstein2f904462009-08-12 08:22:16 +00005622{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005623 u32 latch_status = 0;
5624
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005625 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005626 * Disable the MI INT ( external phy int ) by writing 1 to the
5627 * status register. Link down indication is high-active-signal,
5628 * so in this case we need to write the status to clear the XOR
Eilon Greenstein2f904462009-08-12 08:22:16 +00005629 */
5630 /* Read Latched signals */
5631 latch_status = REG_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005632 NIG_REG_LATCH_STATUS_0 + port*8);
5633 DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
Eilon Greenstein2f904462009-08-12 08:22:16 +00005634 /* Handle only those with latched-signal=up.*/
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005635 if (exp_mi_int)
5636 bnx2x_bits_en(bp,
5637 NIG_REG_STATUS_INTERRUPT_PORT0
5638 + port*4,
5639 NIG_STATUS_EMAC0_MI_INT);
5640 else
5641 bnx2x_bits_dis(bp,
5642 NIG_REG_STATUS_INTERRUPT_PORT0
5643 + port*4,
5644 NIG_STATUS_EMAC0_MI_INT);
5645
Eilon Greenstein2f904462009-08-12 08:22:16 +00005646 if (latch_status & 1) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005647
Eilon Greenstein2f904462009-08-12 08:22:16 +00005648 /* For all latched-signal=up : Re-Arm Latch signals */
5649 REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005650 (latch_status & 0xfffe) | (latch_status & 1));
Eilon Greenstein2f904462009-08-12 08:22:16 +00005651 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005652 /* For all latched-signal=up,Write original_signal to status */
Eilon Greenstein2f904462009-08-12 08:22:16 +00005653}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005654
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005655static void bnx2x_link_int_ack(struct link_params *params,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005656 struct link_vars *vars, u8 is_10g_plus)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005657{
5658 struct bnx2x *bp = params->bp;
5659 u8 port = params->port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005660 u32 mask;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005661 /*
5662 * First reset all status we assume only one line will be
5663 * change at a time
5664 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005665 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005666 (NIG_STATUS_XGXS0_LINK10G |
5667 NIG_STATUS_XGXS0_LINK_STATUS |
5668 NIG_STATUS_SERDES0_LINK_STATUS));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005669 if (vars->phy_link_up) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005670 if (USES_WARPCORE(bp))
5671 mask = NIG_STATUS_XGXS0_LINK_STATUS;
5672 else {
5673 if (is_10g_plus)
5674 mask = NIG_STATUS_XGXS0_LINK10G;
5675 else if (params->switch_cfg == SWITCH_CFG_10G) {
5676 /*
5677 * Disable the link interrupt by writing 1 to
5678 * the relevant lane in the status register
5679 */
5680 u32 ser_lane =
5681 ((params->lane_config &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005682 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
5683 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005684 mask = ((1 << ser_lane) <<
5685 NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
5686 } else
5687 mask = NIG_STATUS_SERDES0_LINK_STATUS;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005688 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005689 DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
5690 mask);
5691 bnx2x_bits_en(bp,
5692 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
5693 mask);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005694 }
5695}
5696
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005697static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005698{
5699 u8 *str_ptr = str;
5700 u32 mask = 0xf0000000;
5701 u8 shift = 8*4;
5702 u8 digit;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005703 u8 remove_leading_zeros = 1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005704 if (*len < 10) {
Frederik Schwarzer025dfda2008-10-16 19:02:37 +02005705 /* Need more than 10chars for this format */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005706 *str_ptr = '\0';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005707 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005708 return -EINVAL;
5709 }
5710 while (shift > 0) {
5711
5712 shift -= 4;
5713 digit = ((num & mask) >> shift);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005714 if (digit == 0 && remove_leading_zeros) {
5715 mask = mask >> 4;
5716 continue;
5717 } else if (digit < 0xa)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005718 *str_ptr = digit + '0';
5719 else
5720 *str_ptr = digit - 0xa + 'a';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005721 remove_leading_zeros = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005722 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005723 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005724 mask = mask >> 4;
5725 if (shift == 4*4) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005726 *str_ptr = '.';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005727 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005728 (*len)--;
5729 remove_leading_zeros = 1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005730 }
5731 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005732 return 0;
5733}
5734
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005735
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005736static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005737{
5738 str[0] = '\0';
5739 (*len)--;
5740 return 0;
5741}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005742
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005743int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
5744 u8 *version, u16 len)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005745{
Julia Lawall0376d5b2009-07-19 05:26:35 +00005746 struct bnx2x *bp;
Eilon Greensteina35da8d2009-02-12 08:37:02 +00005747 u32 spirom_ver = 0;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005748 int status = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005749 u8 *ver_p = version;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005750 u16 remain_len = len;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005751 if (version == NULL || params == NULL)
5752 return -EINVAL;
Julia Lawall0376d5b2009-07-19 05:26:35 +00005753 bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005754
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005755 /* Extract first external phy*/
5756 version[0] = '\0';
5757 spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
Eilon Greensteina35da8d2009-02-12 08:37:02 +00005758
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005759 if (params->phy[EXT_PHY1].format_fw_ver) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005760 status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
5761 ver_p,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005762 &remain_len);
5763 ver_p += (len - remain_len);
5764 }
5765 if ((params->num_phys == MAX_PHYS) &&
5766 (params->phy[EXT_PHY2].ver_addr != 0)) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005767 spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005768 if (params->phy[EXT_PHY2].format_fw_ver) {
5769 *ver_p = '/';
5770 ver_p++;
5771 remain_len--;
5772 status |= params->phy[EXT_PHY2].format_fw_ver(
5773 spirom_ver,
5774 ver_p,
5775 &remain_len);
5776 ver_p = version + (len - remain_len);
5777 }
5778 }
5779 *ver_p = '\0';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005780 return status;
5781}
5782
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005783static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005784 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005785{
5786 u8 port = params->port;
5787 struct bnx2x *bp = params->bp;
5788
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005789 if (phy->req_line_speed != SPEED_1000) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005790 u32 md_devad = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005791
5792 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
5793
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005794 if (!CHIP_IS_E3(bp)) {
5795 /* change the uni_phy_addr in the nig */
5796 md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
5797 port*0x18));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005798
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005799 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
5800 0x5);
5801 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005802
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005803 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005804 5,
5805 (MDIO_REG_BANK_AER_BLOCK +
5806 (MDIO_AER_BLOCK_AER_REG & 0xf)),
5807 0x2800);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005808
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005809 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005810 5,
5811 (MDIO_REG_BANK_CL73_IEEEB0 +
5812 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
5813 0x6041);
Eilon Greenstein38582762009-01-14 06:44:16 +00005814 msleep(200);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005815 /* set aer mmd back */
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005816 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005817
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005818 if (!CHIP_IS_E3(bp)) {
5819 /* and md_devad */
5820 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
5821 md_devad);
5822 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005823 } else {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005824 u16 mii_ctrl;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005825 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005826 bnx2x_cl45_read(bp, phy, 5,
5827 (MDIO_REG_BANK_COMBO_IEEE0 +
5828 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
5829 &mii_ctrl);
5830 bnx2x_cl45_write(bp, phy, 5,
5831 (MDIO_REG_BANK_COMBO_IEEE0 +
5832 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
5833 mii_ctrl |
5834 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005835 }
5836}
5837
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005838int bnx2x_set_led(struct link_params *params,
5839 struct link_vars *vars, u8 mode, u32 speed)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005840{
Yaniv Rosner7846e472009-11-05 19:18:07 +02005841 u8 port = params->port;
5842 u16 hw_led_mode = params->hw_led_mode;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005843 int rc = 0;
5844 u8 phy_idx;
Eilon Greenstein345b5d52008-08-13 15:58:12 -07005845 u32 tmp;
5846 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Yaniv Rosner7846e472009-11-05 19:18:07 +02005847 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005848 DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
5849 DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
5850 speed, hw_led_mode);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005851 /* In case */
5852 for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
5853 if (params->phy[phy_idx].set_link_led) {
5854 params->phy[phy_idx].set_link_led(
5855 &params->phy[phy_idx], params, mode);
5856 }
5857 }
5858
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005859 switch (mode) {
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005860 case LED_MODE_FRONT_PANEL_OFF:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005861 case LED_MODE_OFF:
5862 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
5863 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005864 SHARED_HW_CFG_LED_MAC1);
Eilon Greenstein345b5d52008-08-13 15:58:12 -07005865
5866 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005867 EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005868 break;
5869
5870 case LED_MODE_OPER:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005871 /*
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005872 * For all other phys, OPER mode is same as ON, so in case
5873 * link is down, do nothing
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005874 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005875 if (!vars->link_up)
5876 break;
5877 case LED_MODE_ON:
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00005878 if (((params->phy[EXT_PHY1].type ==
5879 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
5880 (params->phy[EXT_PHY1].type ==
5881 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
Yaniv Rosner1f483532011-01-18 04:33:31 +00005882 CHIP_IS_E2(bp) && params->num_phys == 2) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005883 /*
5884 * This is a work-around for E2+8727 Configurations
5885 */
Yaniv Rosner1f483532011-01-18 04:33:31 +00005886 if (mode == LED_MODE_ON ||
5887 speed == SPEED_10000){
5888 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
5889 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
5890
5891 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
5892 EMAC_WR(bp, EMAC_REG_EMAC_LED,
5893 (tmp | EMAC_LED_OVERRIDE));
5894 return rc;
5895 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005896 } else if (SINGLE_MEDIA_DIRECT(params) &&
5897 (CHIP_IS_E1x(bp) ||
5898 CHIP_IS_E2(bp))) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005899 /*
5900 * This is a work-around for HW issue found when link
5901 * is up in CL73
5902 */
Yaniv Rosner7846e472009-11-05 19:18:07 +02005903 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
5904 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
5905 } else {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005906 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
Yaniv Rosner7846e472009-11-05 19:18:07 +02005907 }
5908
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005909 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005910 /* Set blinking rate to ~15.9Hz */
5911 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005912 LED_BLINK_RATE_VAL);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005913 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005914 port*4, 1);
Eilon Greenstein345b5d52008-08-13 15:58:12 -07005915 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005916 EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
Eilon Greenstein345b5d52008-08-13 15:58:12 -07005917
Yaniv Rosner7846e472009-11-05 19:18:07 +02005918 if (CHIP_IS_E1(bp) &&
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005919 ((speed == SPEED_2500) ||
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005920 (speed == SPEED_1000) ||
5921 (speed == SPEED_100) ||
5922 (speed == SPEED_10))) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005923 /*
5924 * On Everest 1 Ax chip versions for speeds less than
5925 * 10G LED scheme is different
5926 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005927 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005928 + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005929 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005930 port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005931 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005932 port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005933 }
5934 break;
5935
5936 default:
5937 rc = -EINVAL;
5938 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
5939 mode);
5940 break;
5941 }
5942 return rc;
5943
5944}
5945
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005946/*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005947 * This function comes to reflect the actual link state read DIRECTLY from the
5948 * HW
5949 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005950int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
5951 u8 is_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005952{
5953 struct bnx2x *bp = params->bp;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005954 u16 gp_status = 0, phy_index = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005955 u8 ext_phy_link_up = 0, serdes_phy_type;
5956 struct link_vars temp_vars;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005957 struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005958
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005959 if (CHIP_IS_E3(bp)) {
5960 u16 link_up;
5961 if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
5962 > SPEED_10000) {
5963 /* Check 20G link */
5964 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
5965 1, &link_up);
5966 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
5967 1, &link_up);
5968 link_up &= (1<<2);
5969 } else {
5970 /* Check 10G link and below*/
5971 u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
5972 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
5973 MDIO_WC_REG_GP2_STATUS_GP_2_1,
5974 &gp_status);
5975 gp_status = ((gp_status >> 8) & 0xf) |
5976 ((gp_status >> 12) & 0xf);
5977 link_up = gp_status & (1 << lane);
5978 }
5979 if (!link_up)
5980 return -ESRCH;
5981 } else {
5982 CL22_RD_OVER_CL45(bp, int_phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005983 MDIO_REG_BANK_GP_STATUS,
5984 MDIO_GP_STATUS_TOP_AN_STATUS1,
5985 &gp_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005986 /* link is up only if both local phy and external phy are up */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005987 if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
5988 return -ESRCH;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005989 }
5990 /* In XGXS loopback mode, do not check external PHY */
5991 if (params->loopback_mode == LOOPBACK_XGXS)
5992 return 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005993
5994 switch (params->num_phys) {
5995 case 1:
5996 /* No external PHY */
5997 return 0;
5998 case 2:
5999 ext_phy_link_up = params->phy[EXT_PHY1].read_status(
6000 &params->phy[EXT_PHY1],
6001 params, &temp_vars);
6002 break;
6003 case 3: /* Dual Media */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006004 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6005 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006006 serdes_phy_type = ((params->phy[phy_index].media_type ==
6007 ETH_PHY_SFP_FIBER) ||
6008 (params->phy[phy_index].media_type ==
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00006009 ETH_PHY_XFP_FIBER) ||
6010 (params->phy[phy_index].media_type ==
6011 ETH_PHY_DA_TWINAX));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006012
6013 if (is_serdes != serdes_phy_type)
6014 continue;
6015 if (params->phy[phy_index].read_status) {
6016 ext_phy_link_up |=
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006017 params->phy[phy_index].read_status(
6018 &params->phy[phy_index],
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006019 params, &temp_vars);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006020 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006021 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006022 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006023 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006024 if (ext_phy_link_up)
6025 return 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006026 return -ESRCH;
6027}
6028
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006029static int bnx2x_link_initialize(struct link_params *params,
6030 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006031{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006032 int rc = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006033 u8 phy_index, non_ext_phy;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006034 struct bnx2x *bp = params->bp;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006035 /*
6036 * In case of external phy existence, the line speed would be the
6037 * line speed linked up by the external phy. In case it is direct
6038 * only, then the line_speed during initialization will be
6039 * equal to the req_line_speed
6040 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006041 vars->line_speed = params->phy[INT_PHY].req_line_speed;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006042
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006043 /*
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006044 * Initialize the internal phy in case this is a direct board
6045 * (no external phys), or this board has external phy which requires
6046 * to first.
6047 */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006048 if (!USES_WARPCORE(bp))
6049 bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006050 /* init ext phy and enable link state int */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006051 non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006052 (params->loopback_mode == LOOPBACK_XGXS));
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006053
6054 if (non_ext_phy ||
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006055 (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
Eilon Greenstein8660d8c2009-03-02 08:01:02 +00006056 (params->loopback_mode == LOOPBACK_EXT_PHY)) {
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006057 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006058 if (vars->line_speed == SPEED_AUTO_NEG &&
6059 (CHIP_IS_E1x(bp) ||
6060 CHIP_IS_E2(bp)))
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006061 bnx2x_set_parallel_detection(phy, params);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00006062 if (params->phy[INT_PHY].config_init)
6063 params->phy[INT_PHY].config_init(phy,
6064 params,
6065 vars);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006066 }
6067
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006068 /* Init external phy*/
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006069 if (non_ext_phy) {
6070 if (params->phy[INT_PHY].supported &
6071 SUPPORTED_FIBRE)
6072 vars->link_status |= LINK_STATUS_SERDES_LINK;
6073 } else {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006074 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6075 phy_index++) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006076 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006077 * No need to initialize second phy in case of first
6078 * phy only selection. In case of second phy, we do
6079 * need to initialize the first phy, since they are
6080 * connected.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006081 */
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006082 if (params->phy[phy_index].supported &
6083 SUPPORTED_FIBRE)
6084 vars->link_status |= LINK_STATUS_SERDES_LINK;
6085
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006086 if (phy_index == EXT_PHY2 &&
6087 (bnx2x_phy_selection(params) ==
6088 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006089 DP(NETIF_MSG_LINK, "Not initializing"
6090 " second phy\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006091 continue;
6092 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006093 params->phy[phy_index].config_init(
6094 &params->phy[phy_index],
6095 params, vars);
6096 }
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006097 }
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006098 /* Reset the interrupt indication after phy was initialized */
6099 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
6100 params->port*4,
6101 (NIG_STATUS_XGXS0_LINK10G |
6102 NIG_STATUS_XGXS0_LINK_STATUS |
6103 NIG_STATUS_SERDES0_LINK_STATUS |
6104 NIG_MASK_MI_INT));
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006105 bnx2x_update_mng(params, vars->link_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006106 return rc;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006107}
6108
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006109static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
6110 struct link_params *params)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006111{
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006112 /* reset the SerDes/XGXS */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006113 REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6114 (0x1ff << (params->port*16)));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006115}
6116
6117static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
6118 struct link_params *params)
6119{
6120 struct bnx2x *bp = params->bp;
6121 u8 gpio_port;
6122 /* HW reset */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006123 if (CHIP_IS_E2(bp))
6124 gpio_port = BP_PATH(bp);
6125 else
6126 gpio_port = params->port;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006127 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006128 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6129 gpio_port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006130 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006131 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6132 gpio_port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006133 DP(NETIF_MSG_LINK, "reset external PHY\n");
6134}
6135
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006136static int bnx2x_update_link_down(struct link_params *params,
6137 struct link_vars *vars)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006138{
6139 struct bnx2x *bp = params->bp;
6140 u8 port = params->port;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00006141
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006142 DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006143 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006144 vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006145 /* indicate no mac active */
6146 vars->mac_type = MAC_TYPE_NONE;
6147
6148 /* update shared memory */
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006149 vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
6150 LINK_STATUS_LINK_UP |
6151 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
6152 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
6153 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
6154 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006155 vars->line_speed = 0;
6156 bnx2x_update_mng(params, vars->link_status);
6157
6158 /* activate nig drain */
6159 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6160
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006161 /* disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006162 if (!CHIP_IS_E3(bp))
6163 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006164
6165 msleep(10);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006166 /* reset BigMac/Xmac */
6167 if (CHIP_IS_E1x(bp) ||
6168 CHIP_IS_E2(bp)) {
6169 bnx2x_bmac_rx_disable(bp, params->port);
6170 REG_WR(bp, GRCBASE_MISC +
6171 MISC_REGISTERS_RESET_REG_2_CLEAR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006172 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006173 }
6174 if (CHIP_IS_E3(bp))
6175 bnx2x_xmac_disable(params);
6176
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006177 return 0;
6178}
6179
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006180static int bnx2x_update_link_up(struct link_params *params,
6181 struct link_vars *vars,
6182 u8 link_10g)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006183{
6184 struct bnx2x *bp = params->bp;
6185 u8 port = params->port;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006186 int rc = 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00006187
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006188 vars->link_status |= LINK_STATUS_LINK_UP;
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006189 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006190
Yaniv Rosner7aa07112010-09-07 11:41:01 +00006191 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
6192 vars->link_status |=
6193 LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
6194
6195 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
6196 vars->link_status |=
6197 LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006198 if (USES_WARPCORE(bp)) {
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006199 if (link_10g) {
6200 if (bnx2x_xmac_enable(params, vars, 0) ==
6201 -ESRCH) {
6202 DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
6203 vars->link_up = 0;
6204 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6205 vars->link_status &= ~LINK_STATUS_LINK_UP;
6206 }
6207 } else
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006208 bnx2x_umac_enable(params, vars, 0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006209 bnx2x_set_led(params, vars,
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006210 LED_MODE_OPER, vars->line_speed);
6211 }
6212 if ((CHIP_IS_E1x(bp) ||
6213 CHIP_IS_E2(bp))) {
6214 if (link_10g) {
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006215 if (bnx2x_bmac_enable(params, vars, 0) ==
6216 -ESRCH) {
6217 DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
6218 vars->link_up = 0;
6219 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6220 vars->link_status &= ~LINK_STATUS_LINK_UP;
6221 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006222
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006223 bnx2x_set_led(params, vars,
6224 LED_MODE_OPER, SPEED_10000);
6225 } else {
6226 rc = bnx2x_emac_program(params, vars);
6227 bnx2x_emac_enable(params, vars, 0);
Yaniv Rosner0c786f02009-11-05 19:18:32 +02006228
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006229 /* AN complete? */
6230 if ((vars->link_status &
6231 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
6232 && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
6233 SINGLE_MEDIA_DIRECT(params))
6234 bnx2x_set_gmii_tx_driver(params);
6235 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006236 }
6237
6238 /* PBF - link up */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006239 if (CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006240 rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6241 vars->line_speed);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006242
6243 /* disable drain */
6244 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
6245
6246 /* update shared memory */
6247 bnx2x_update_mng(params, vars->link_status);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006248 msleep(20);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006249 return rc;
6250}
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006251/*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006252 * The bnx2x_link_update function should be called upon link
6253 * interrupt.
6254 * Link is considered up as follows:
6255 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
6256 * to be up
6257 * - SINGLE_MEDIA - The link between the 577xx and the external
6258 * phy (XGXS) need to up as well as the external link of the
6259 * phy (PHY_EXT1)
6260 * - DUAL_MEDIA - The link between the 577xx and the first
6261 * external phy needs to be up, and at least one of the 2
6262 * external phy link must be up.
Yaniv Rosner62b29a52010-09-07 11:40:58 +00006263 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006264int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006265{
6266 struct bnx2x *bp = params->bp;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006267 struct link_vars phy_vars[MAX_PHYS];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006268 u8 port = params->port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006269 u8 link_10g_plus, phy_index;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006270 u8 ext_phy_link_up = 0, cur_link_up;
6271 int rc = 0;
Eilon Greenstein2f904462009-08-12 08:22:16 +00006272 u8 is_mi_int = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006273 u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
6274 u8 active_external_phy = INT_PHY;
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006275 vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006276 for (phy_index = INT_PHY; phy_index < params->num_phys;
6277 phy_index++) {
6278 phy_vars[phy_index].flow_ctrl = 0;
6279 phy_vars[phy_index].link_status = 0;
6280 phy_vars[phy_index].line_speed = 0;
6281 phy_vars[phy_index].duplex = DUPLEX_FULL;
6282 phy_vars[phy_index].phy_link_up = 0;
6283 phy_vars[phy_index].link_up = 0;
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00006284 phy_vars[phy_index].fault_detected = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006285 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006286
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006287 if (USES_WARPCORE(bp))
6288 bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
6289
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006290 DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00006291 port, (vars->phy_flags & PHY_XGXS_FLAG),
6292 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006293
Eilon Greenstein2f904462009-08-12 08:22:16 +00006294 is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006295 port*0x18) > 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006296 DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00006297 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6298 is_mi_int,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006299 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006300
6301 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6302 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6303 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6304
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006305 /* disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006306 if (!CHIP_IS_E3(bp))
6307 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006308
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006309 /*
6310 * Step 1:
6311 * Check external link change only for external phys, and apply
6312 * priority selection between them in case the link on both phys
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006313 * is up. Note that instead of the common vars, a temporary
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006314 * vars argument is used since each phy may have different link/
6315 * speed/duplex result
6316 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006317 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6318 phy_index++) {
6319 struct bnx2x_phy *phy = &params->phy[phy_index];
6320 if (!phy->read_status)
6321 continue;
6322 /* Read link status and params of this ext phy */
6323 cur_link_up = phy->read_status(phy, params,
6324 &phy_vars[phy_index]);
6325 if (cur_link_up) {
6326 DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
6327 phy_index);
6328 } else {
6329 DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
6330 phy_index);
6331 continue;
6332 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006333
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006334 if (!ext_phy_link_up) {
6335 ext_phy_link_up = 1;
6336 active_external_phy = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006337 } else {
6338 switch (bnx2x_phy_selection(params)) {
6339 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6340 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006341 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006342 * In this option, the first PHY makes sure to pass the
6343 * traffic through itself only.
6344 * Its not clear how to reset the link on the second phy
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006345 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006346 active_external_phy = EXT_PHY1;
6347 break;
6348 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006349 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006350 * In this option, the first PHY makes sure to pass the
6351 * traffic through the second PHY.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006352 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006353 active_external_phy = EXT_PHY2;
6354 break;
6355 default:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006356 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006357 * Link indication on both PHYs with the following cases
6358 * is invalid:
6359 * - FIRST_PHY means that second phy wasn't initialized,
6360 * hence its link is expected to be down
6361 * - SECOND_PHY means that first phy should not be able
6362 * to link up by itself (using configuration)
6363 * - DEFAULT should be overriden during initialiazation
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006364 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006365 DP(NETIF_MSG_LINK, "Invalid link indication"
6366 "mpc=0x%x. DISABLING LINK !!!\n",
6367 params->multi_phy_config);
6368 ext_phy_link_up = 0;
6369 break;
6370 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006371 }
6372 }
6373 prev_line_speed = vars->line_speed;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006374 /*
6375 * Step 2:
6376 * Read the status of the internal phy. In case of
6377 * DIRECT_SINGLE_MEDIA board, this link is the external link,
6378 * otherwise this is the link between the 577xx and the first
6379 * external phy
6380 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006381 if (params->phy[INT_PHY].read_status)
6382 params->phy[INT_PHY].read_status(
6383 &params->phy[INT_PHY],
6384 params, vars);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006385 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006386 * The INT_PHY flow control reside in the vars. This include the
6387 * case where the speed or flow control are not set to AUTO.
6388 * Otherwise, the active external phy flow control result is set
6389 * to the vars. The ext_phy_line_speed is needed to check if the
6390 * speed is different between the internal phy and external phy.
6391 * This case may be result of intermediate link speed change.
6392 */
6393 if (active_external_phy > INT_PHY) {
6394 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006395 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006396 * Link speed is taken from the XGXS. AN and FC result from
6397 * the external phy.
6398 */
6399 vars->link_status |= phy_vars[active_external_phy].link_status;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006400
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006401 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006402 * if active_external_phy is first PHY and link is up - disable
6403 * disable TX on second external PHY
6404 */
6405 if (active_external_phy == EXT_PHY1) {
6406 if (params->phy[EXT_PHY2].phy_specific_func) {
6407 DP(NETIF_MSG_LINK, "Disabling TX on"
6408 " EXT_PHY2\n");
6409 params->phy[EXT_PHY2].phy_specific_func(
6410 &params->phy[EXT_PHY2],
6411 params, DISABLE_TX);
6412 }
6413 }
6414
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006415 ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
6416 vars->duplex = phy_vars[active_external_phy].duplex;
6417 if (params->phy[active_external_phy].supported &
6418 SUPPORTED_FIBRE)
6419 vars->link_status |= LINK_STATUS_SERDES_LINK;
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006420 else
6421 vars->link_status &= ~LINK_STATUS_SERDES_LINK;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006422 DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
6423 active_external_phy);
6424 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006425
6426 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6427 phy_index++) {
6428 if (params->phy[phy_index].flags &
6429 FLAGS_REARM_LATCH_SIGNAL) {
6430 bnx2x_rearm_latch_signal(bp, port,
6431 phy_index ==
6432 active_external_phy);
6433 break;
6434 }
6435 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006436 DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
6437 " ext_phy_line_speed = %d\n", vars->flow_ctrl,
6438 vars->link_status, ext_phy_line_speed);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006439 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006440 * Upon link speed change set the NIG into drain mode. Comes to
6441 * deals with possible FIFO glitch due to clk change when speed
6442 * is decreased without link down indicator
6443 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006444
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006445 if (vars->phy_link_up) {
6446 if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
6447 (ext_phy_line_speed != vars->line_speed)) {
6448 DP(NETIF_MSG_LINK, "Internal link speed %d is"
6449 " different than the external"
6450 " link speed %d\n", vars->line_speed,
6451 ext_phy_line_speed);
6452 vars->phy_link_up = 0;
6453 } else if (prev_line_speed != vars->line_speed) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006454 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
6455 0);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006456 msleep(1);
6457 }
6458 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006459
6460 /* anything 10 and over uses the bmac */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006461 link_10g_plus = (vars->line_speed >= SPEED_10000);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006462
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006463 bnx2x_link_int_ack(params, vars, link_10g_plus);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006464
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006465 /*
6466 * In case external phy link is up, and internal link is down
6467 * (not initialized yet probably after link initialization, it
6468 * needs to be initialized.
6469 * Note that after link down-up as result of cable plug, the xgxs
6470 * link would probably become up again without the need
6471 * initialize it
6472 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006473 if (!(SINGLE_MEDIA_DIRECT(params))) {
6474 DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
6475 " init_preceding = %d\n", ext_phy_link_up,
6476 vars->phy_link_up,
6477 params->phy[EXT_PHY1].flags &
6478 FLAGS_INIT_XGXS_FIRST);
6479 if (!(params->phy[EXT_PHY1].flags &
6480 FLAGS_INIT_XGXS_FIRST)
6481 && ext_phy_link_up && !vars->phy_link_up) {
6482 vars->line_speed = ext_phy_line_speed;
6483 if (vars->line_speed < SPEED_1000)
6484 vars->phy_flags |= PHY_SGMII_FLAG;
6485 else
6486 vars->phy_flags &= ~PHY_SGMII_FLAG;
Yaniv Rosnerec146a62011-05-31 21:29:27 +00006487
6488 if (params->phy[INT_PHY].config_init)
6489 params->phy[INT_PHY].config_init(
6490 &params->phy[INT_PHY], params,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006491 vars);
6492 }
6493 }
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006494 /*
6495 * Link is up only if both local phy and external phy (in case of
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006496 * non-direct board) are up and no fault detected on active PHY.
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006497 */
6498 vars->link_up = (vars->phy_link_up &&
6499 (ext_phy_link_up ||
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00006500 SINGLE_MEDIA_DIRECT(params)) &&
6501 (phy_vars[active_external_phy].fault_detected == 0));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006502
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006503 if (vars->link_up)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006504 rc = bnx2x_update_link_up(params, vars, link_10g_plus);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006505 else
6506 rc = bnx2x_update_link_down(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006507
6508 return rc;
6509}
6510
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006511
6512/*****************************************************************************/
6513/* External Phy section */
6514/*****************************************************************************/
6515void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006516{
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006517 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006518 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006519 msleep(1);
6520 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006521 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006522}
6523
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006524static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
6525 u32 spirom_ver, u32 ver_addr)
6526{
6527 DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
6528 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
6529
6530 if (ver_addr)
6531 REG_WR(bp, ver_addr, spirom_ver);
6532}
6533
6534static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
6535 struct bnx2x_phy *phy,
6536 u8 port)
6537{
6538 u16 fw_ver1, fw_ver2;
6539
6540 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006541 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006542 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006543 MDIO_PMA_REG_ROM_VER2, &fw_ver2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006544 bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
6545 phy->ver_addr);
6546}
6547
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006548static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
6549 struct bnx2x_phy *phy,
6550 struct link_vars *vars)
6551{
6552 u16 val;
6553 bnx2x_cl45_read(bp, phy,
6554 MDIO_AN_DEVAD,
6555 MDIO_AN_REG_STATUS, &val);
6556 bnx2x_cl45_read(bp, phy,
6557 MDIO_AN_DEVAD,
6558 MDIO_AN_REG_STATUS, &val);
6559 if (val & (1<<5))
6560 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
6561 if ((val & (1<<0)) == 0)
6562 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
6563}
6564
6565/******************************************************************/
6566/* common BCM8073/BCM8727 PHY SECTION */
6567/******************************************************************/
6568static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
6569 struct link_params *params,
6570 struct link_vars *vars)
6571{
6572 struct bnx2x *bp = params->bp;
6573 if (phy->req_line_speed == SPEED_10 ||
6574 phy->req_line_speed == SPEED_100) {
6575 vars->flow_ctrl = phy->req_flow_ctrl;
6576 return;
6577 }
6578
6579 if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
6580 (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
6581 u16 pause_result;
6582 u16 ld_pause; /* local */
6583 u16 lp_pause; /* link partner */
6584 bnx2x_cl45_read(bp, phy,
6585 MDIO_AN_DEVAD,
6586 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
6587
6588 bnx2x_cl45_read(bp, phy,
6589 MDIO_AN_DEVAD,
6590 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
6591 pause_result = (ld_pause &
6592 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
6593 pause_result |= (lp_pause &
6594 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
6595
6596 bnx2x_pause_resolve(vars, pause_result);
6597 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
6598 pause_result);
6599 }
6600}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006601static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
6602 struct bnx2x_phy *phy,
6603 u8 port)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006604{
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00006605 u32 count = 0;
6606 u16 fw_ver1, fw_msgout;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006607 int rc = 0;
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00006608
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006609 /* Boot port from external ROM */
6610 /* EDC grst */
6611 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006612 MDIO_PMA_DEVAD,
6613 MDIO_PMA_REG_GEN_CTRL,
6614 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006615
6616 /* ucode reboot and rst */
6617 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006618 MDIO_PMA_DEVAD,
6619 MDIO_PMA_REG_GEN_CTRL,
6620 0x008c);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006621
6622 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006623 MDIO_PMA_DEVAD,
6624 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006625
6626 /* Reset internal microprocessor */
6627 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006628 MDIO_PMA_DEVAD,
6629 MDIO_PMA_REG_GEN_CTRL,
6630 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006631
6632 /* Release srst bit */
6633 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006634 MDIO_PMA_DEVAD,
6635 MDIO_PMA_REG_GEN_CTRL,
6636 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006637
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00006638 /* Delay 100ms per the PHY specifications */
6639 msleep(100);
6640
6641 /* 8073 sometimes taking longer to download */
6642 do {
6643 count++;
6644 if (count > 300) {
6645 DP(NETIF_MSG_LINK,
6646 "bnx2x_8073_8727_external_rom_boot port %x:"
6647 "Download failed. fw version = 0x%x\n",
6648 port, fw_ver1);
6649 rc = -EINVAL;
6650 break;
6651 }
6652
6653 bnx2x_cl45_read(bp, phy,
6654 MDIO_PMA_DEVAD,
6655 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
6656 bnx2x_cl45_read(bp, phy,
6657 MDIO_PMA_DEVAD,
6658 MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
6659
6660 msleep(1);
6661 } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
6662 ((fw_msgout & 0xff) != 0x03 && (phy->type ==
6663 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006664
6665 /* Clear ser_boot_ctl bit */
6666 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006667 MDIO_PMA_DEVAD,
6668 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006669 bnx2x_save_bcm_spirom_ver(bp, phy, port);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00006670
6671 DP(NETIF_MSG_LINK,
6672 "bnx2x_8073_8727_external_rom_boot port %x:"
6673 "Download complete. fw version = 0x%x\n",
6674 port, fw_ver1);
6675
6676 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006677}
6678
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006679/******************************************************************/
6680/* BCM8073 PHY SECTION */
6681/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006682static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006683{
6684 /* This is only required for 8073A1, version 102 only */
6685 u16 val;
6686
6687 /* Read 8073 HW revision*/
6688 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006689 MDIO_PMA_DEVAD,
6690 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006691
6692 if (val != 1) {
6693 /* No need to workaround in 8073 A1 */
6694 return 0;
6695 }
6696
6697 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006698 MDIO_PMA_DEVAD,
6699 MDIO_PMA_REG_ROM_VER2, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006700
6701 /* SNR should be applied only for version 0x102 */
6702 if (val != 0x102)
6703 return 0;
6704
6705 return 1;
6706}
6707
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006708static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006709{
6710 u16 val, cnt, cnt1 ;
6711
6712 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006713 MDIO_PMA_DEVAD,
6714 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006715
6716 if (val > 0) {
6717 /* No need to workaround in 8073 A1 */
6718 return 0;
6719 }
6720 /* XAUI workaround in 8073 A0: */
6721
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006722 /*
6723 * After loading the boot ROM and restarting Autoneg, poll
6724 * Dev1, Reg $C820:
6725 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006726
6727 for (cnt = 0; cnt < 1000; cnt++) {
6728 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006729 MDIO_PMA_DEVAD,
6730 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
6731 &val);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006732 /*
6733 * If bit [14] = 0 or bit [13] = 0, continue on with
6734 * system initialization (XAUI work-around not required, as
6735 * these bits indicate 2.5G or 1G link up).
6736 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006737 if (!(val & (1<<14)) || !(val & (1<<13))) {
6738 DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
6739 return 0;
6740 } else if (!(val & (1<<15))) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006741 DP(NETIF_MSG_LINK, "bit 15 went off\n");
6742 /*
6743 * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
6744 * MSB (bit15) goes to 1 (indicating that the XAUI
6745 * workaround has completed), then continue on with
6746 * system initialization.
6747 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006748 for (cnt1 = 0; cnt1 < 1000; cnt1++) {
6749 bnx2x_cl45_read(bp, phy,
6750 MDIO_PMA_DEVAD,
6751 MDIO_PMA_REG_8073_XAUI_WA, &val);
6752 if (val & (1<<15)) {
6753 DP(NETIF_MSG_LINK,
6754 "XAUI workaround has completed\n");
6755 return 0;
6756 }
6757 msleep(3);
6758 }
6759 break;
6760 }
6761 msleep(3);
6762 }
6763 DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
6764 return -EINVAL;
6765}
6766
6767static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
6768{
6769 /* Force KR or KX */
6770 bnx2x_cl45_write(bp, phy,
6771 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
6772 bnx2x_cl45_write(bp, phy,
6773 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
6774 bnx2x_cl45_write(bp, phy,
6775 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
6776 bnx2x_cl45_write(bp, phy,
6777 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
6778}
6779
6780static void bnx2x_8073_set_pause_cl37(struct link_params *params,
6781 struct bnx2x_phy *phy,
6782 struct link_vars *vars)
6783{
6784 u16 cl37_val;
6785 struct bnx2x *bp = params->bp;
6786 bnx2x_cl45_read(bp, phy,
6787 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
6788
6789 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
6790 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
6791 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
6792 if ((vars->ieee_fc &
6793 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
6794 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
6795 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
6796 }
6797 if ((vars->ieee_fc &
6798 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
6799 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
6800 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
6801 }
6802 if ((vars->ieee_fc &
6803 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
6804 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
6805 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
6806 }
6807 DP(NETIF_MSG_LINK,
6808 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
6809
6810 bnx2x_cl45_write(bp, phy,
6811 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
6812 msleep(500);
6813}
6814
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006815static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
6816 struct link_params *params,
6817 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006818{
6819 struct bnx2x *bp = params->bp;
6820 u16 val = 0, tmp1;
6821 u8 gpio_port;
6822 DP(NETIF_MSG_LINK, "Init 8073\n");
6823
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006824 if (CHIP_IS_E2(bp))
6825 gpio_port = BP_PATH(bp);
6826 else
6827 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006828 /* Restore normal power mode*/
6829 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006830 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006831
6832 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006833 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006834
6835 /* enable LASI */
6836 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00006837 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006838 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00006839 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006840
6841 bnx2x_8073_set_pause_cl37(params, phy, vars);
6842
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006843 bnx2x_cl45_read(bp, phy,
6844 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
6845
6846 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00006847 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006848
6849 DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
6850
Yaniv Rosner74d7a112011-01-18 04:33:18 +00006851 /* Swap polarity if required - Must be done only in non-1G mode */
6852 if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
6853 /* Configure the 8073 to swap _P and _N of the KR lines */
6854 DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
6855 /* 10G Rx/Tx and 1G Tx signal polarity swap */
6856 bnx2x_cl45_read(bp, phy,
6857 MDIO_PMA_DEVAD,
6858 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
6859 bnx2x_cl45_write(bp, phy,
6860 MDIO_PMA_DEVAD,
6861 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
6862 (val | (3<<9)));
6863 }
6864
6865
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006866 /* Enable CL37 BAM */
Yaniv Rosner121839b2010-11-01 05:32:38 +00006867 if (REG_RD(bp, params->shmem_base +
6868 offsetof(struct shmem_region, dev_info.
6869 port_hw_config[params->port].default_cfg)) &
6870 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006871
Yaniv Rosner121839b2010-11-01 05:32:38 +00006872 bnx2x_cl45_read(bp, phy,
6873 MDIO_AN_DEVAD,
6874 MDIO_AN_REG_8073_BAM, &val);
6875 bnx2x_cl45_write(bp, phy,
6876 MDIO_AN_DEVAD,
6877 MDIO_AN_REG_8073_BAM, val | 1);
6878 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
6879 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006880 if (params->loopback_mode == LOOPBACK_EXT) {
6881 bnx2x_807x_force_10G(bp, phy);
6882 DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
6883 return 0;
6884 } else {
6885 bnx2x_cl45_write(bp, phy,
6886 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
6887 }
6888 if (phy->req_line_speed != SPEED_AUTO_NEG) {
6889 if (phy->req_line_speed == SPEED_10000) {
6890 val = (1<<7);
6891 } else if (phy->req_line_speed == SPEED_2500) {
6892 val = (1<<5);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006893 /*
6894 * Note that 2.5G works only when used with 1G
Lucas De Marchi25985ed2011-03-30 22:57:33 -03006895 * advertisement
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006896 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006897 } else
6898 val = (1<<5);
6899 } else {
6900 val = 0;
6901 if (phy->speed_cap_mask &
6902 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
6903 val |= (1<<7);
6904
Lucas De Marchi25985ed2011-03-30 22:57:33 -03006905 /* Note that 2.5G works only when used with 1G advertisement */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006906 if (phy->speed_cap_mask &
6907 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
6908 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
6909 val |= (1<<5);
6910 DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
6911 }
6912
6913 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
6914 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
6915
6916 if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
6917 (phy->req_line_speed == SPEED_AUTO_NEG)) ||
6918 (phy->req_line_speed == SPEED_2500)) {
6919 u16 phy_ver;
6920 /* Allow 2.5G for A1 and above */
6921 bnx2x_cl45_read(bp, phy,
6922 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
6923 &phy_ver);
6924 DP(NETIF_MSG_LINK, "Add 2.5G\n");
6925 if (phy_ver > 0)
6926 tmp1 |= 1;
6927 else
6928 tmp1 &= 0xfffe;
6929 } else {
6930 DP(NETIF_MSG_LINK, "Disable 2.5G\n");
6931 tmp1 &= 0xfffe;
6932 }
6933
6934 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
6935 /* Add support for CL37 (passive mode) II */
6936
6937 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
6938 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
6939 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
6940 0x20 : 0x40)));
6941
6942 /* Add support for CL37 (passive mode) III */
6943 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
6944
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006945 /*
6946 * The SNR will improve about 2db by changing BW and FEE main
6947 * tap. Rest commands are executed after link is up
6948 * Change FFE main cursor to 5 in EDC register
6949 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006950 if (bnx2x_8073_is_snr_needed(bp, phy))
6951 bnx2x_cl45_write(bp, phy,
6952 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
6953 0xFB0C);
6954
6955 /* Enable FEC (Forware Error Correction) Request in the AN */
6956 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
6957 tmp1 |= (1<<15);
6958 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
6959
6960 bnx2x_ext_phy_set_pause(params, phy, vars);
6961
6962 /* Restart autoneg */
6963 msleep(500);
6964 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
6965 DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
6966 ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
6967 return 0;
6968}
6969
6970static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
6971 struct link_params *params,
6972 struct link_vars *vars)
6973{
6974 struct bnx2x *bp = params->bp;
6975 u8 link_up = 0;
6976 u16 val1, val2;
6977 u16 link_status = 0;
6978 u16 an1000_status = 0;
6979
6980 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00006981 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006982
6983 DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
6984
6985 /* clear the interrupt LASI status register */
6986 bnx2x_cl45_read(bp, phy,
6987 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
6988 bnx2x_cl45_read(bp, phy,
6989 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
6990 DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
6991 /* Clear MSG-OUT */
6992 bnx2x_cl45_read(bp, phy,
6993 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
6994
6995 /* Check the LASI */
6996 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00006997 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006998
6999 DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
7000
7001 /* Check the link status */
7002 bnx2x_cl45_read(bp, phy,
7003 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7004 DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
7005
7006 bnx2x_cl45_read(bp, phy,
7007 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7008 bnx2x_cl45_read(bp, phy,
7009 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7010 link_up = ((val1 & 4) == 4);
7011 DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
7012
7013 if (link_up &&
7014 ((phy->req_line_speed != SPEED_10000))) {
7015 if (bnx2x_8073_xaui_wa(bp, phy) != 0)
7016 return 0;
7017 }
7018 bnx2x_cl45_read(bp, phy,
7019 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7020 bnx2x_cl45_read(bp, phy,
7021 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7022
7023 /* Check the link status on 1.1.2 */
7024 bnx2x_cl45_read(bp, phy,
7025 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7026 bnx2x_cl45_read(bp, phy,
7027 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7028 DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
7029 "an_link_status=0x%x\n", val2, val1, an1000_status);
7030
7031 link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
7032 if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007033 /*
7034 * The SNR will improve about 2dbby changing the BW and FEE main
7035 * tap. The 1st write to change FFE main tap is set before
7036 * restart AN. Change PLL Bandwidth in EDC register
7037 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007038 bnx2x_cl45_write(bp, phy,
7039 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
7040 0x26BC);
7041
7042 /* Change CDR Bandwidth in EDC register */
7043 bnx2x_cl45_write(bp, phy,
7044 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
7045 0x0333);
7046 }
7047 bnx2x_cl45_read(bp, phy,
7048 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7049 &link_status);
7050
7051 /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
7052 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
7053 link_up = 1;
7054 vars->line_speed = SPEED_10000;
7055 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
7056 params->port);
7057 } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
7058 link_up = 1;
7059 vars->line_speed = SPEED_2500;
7060 DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
7061 params->port);
7062 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
7063 link_up = 1;
7064 vars->line_speed = SPEED_1000;
7065 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
7066 params->port);
7067 } else {
7068 link_up = 0;
7069 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
7070 params->port);
7071 }
7072
7073 if (link_up) {
Yaniv Rosner74d7a112011-01-18 04:33:18 +00007074 /* Swap polarity if required */
7075 if (params->lane_config &
7076 PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7077 /* Configure the 8073 to swap P and N of the KR lines */
7078 bnx2x_cl45_read(bp, phy,
7079 MDIO_XS_DEVAD,
7080 MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007081 /*
7082 * Set bit 3 to invert Rx in 1G mode and clear this bit
7083 * when it`s in 10G mode.
7084 */
Yaniv Rosner74d7a112011-01-18 04:33:18 +00007085 if (vars->line_speed == SPEED_1000) {
7086 DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
7087 "the 8073\n");
7088 val1 |= (1<<3);
7089 } else
7090 val1 &= ~(1<<3);
7091
7092 bnx2x_cl45_write(bp, phy,
7093 MDIO_XS_DEVAD,
7094 MDIO_XS_REG_8073_RX_CTRL_PCIE,
7095 val1);
7096 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007097 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7098 bnx2x_8073_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00007099 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007100 }
7101 return link_up;
7102}
7103
7104static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
7105 struct link_params *params)
7106{
7107 struct bnx2x *bp = params->bp;
7108 u8 gpio_port;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007109 if (CHIP_IS_E2(bp))
7110 gpio_port = BP_PATH(bp);
7111 else
7112 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007113 DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
7114 gpio_port);
7115 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007116 MISC_REGISTERS_GPIO_OUTPUT_LOW,
7117 gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007118}
7119
7120/******************************************************************/
7121/* BCM8705 PHY SECTION */
7122/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007123static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
7124 struct link_params *params,
7125 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007126{
7127 struct bnx2x *bp = params->bp;
7128 DP(NETIF_MSG_LINK, "init 8705\n");
7129 /* Restore normal power mode*/
7130 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007131 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007132 /* HW reset */
7133 bnx2x_ext_phy_hw_reset(bp, params->port);
7134 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00007135 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007136
7137 bnx2x_cl45_write(bp, phy,
7138 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
7139 bnx2x_cl45_write(bp, phy,
7140 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
7141 bnx2x_cl45_write(bp, phy,
7142 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
7143 bnx2x_cl45_write(bp, phy,
7144 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
7145 /* BCM8705 doesn't have microcode, hence the 0 */
7146 bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
7147 return 0;
7148}
7149
7150static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
7151 struct link_params *params,
7152 struct link_vars *vars)
7153{
7154 u8 link_up = 0;
7155 u16 val1, rx_sd;
7156 struct bnx2x *bp = params->bp;
7157 DP(NETIF_MSG_LINK, "read status 8705\n");
7158 bnx2x_cl45_read(bp, phy,
7159 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7160 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7161
7162 bnx2x_cl45_read(bp, phy,
7163 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7164 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7165
7166 bnx2x_cl45_read(bp, phy,
7167 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7168
7169 bnx2x_cl45_read(bp, phy,
7170 MDIO_PMA_DEVAD, 0xc809, &val1);
7171 bnx2x_cl45_read(bp, phy,
7172 MDIO_PMA_DEVAD, 0xc809, &val1);
7173
7174 DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
7175 link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
7176 if (link_up) {
7177 vars->line_speed = SPEED_10000;
7178 bnx2x_ext_phy_resolve_fc(phy, params, vars);
7179 }
7180 return link_up;
7181}
7182
7183/******************************************************************/
7184/* SFP+ module Section */
7185/******************************************************************/
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007186static u8 bnx2x_get_gpio_port(struct link_params *params)
7187{
7188 u8 gpio_port;
7189 u32 swap_val, swap_override;
7190 struct bnx2x *bp = params->bp;
7191 if (CHIP_IS_E2(bp))
7192 gpio_port = BP_PATH(bp);
7193 else
7194 gpio_port = params->port;
7195 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7196 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7197 return gpio_port ^ (swap_val && swap_override);
7198}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007199
7200static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
7201 struct bnx2x_phy *phy,
7202 u8 tx_en)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007203{
7204 u16 val;
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007205 u8 port = params->port;
7206 struct bnx2x *bp = params->bp;
7207 u32 tx_en_mode;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007208
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007209 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007210 tx_en_mode = REG_RD(bp, params->shmem_base +
7211 offsetof(struct shmem_region,
7212 dev_info.port_hw_config[port].sfp_ctrl)) &
7213 PORT_HW_CFG_TX_LASER_MASK;
7214 DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
7215 "mode = %x\n", tx_en, port, tx_en_mode);
7216 switch (tx_en_mode) {
7217 case PORT_HW_CFG_TX_LASER_MDIO:
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007218
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007219 bnx2x_cl45_read(bp, phy,
7220 MDIO_PMA_DEVAD,
7221 MDIO_PMA_REG_PHY_IDENTIFIER,
7222 &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007223
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007224 if (tx_en)
7225 val &= ~(1<<15);
7226 else
7227 val |= (1<<15);
7228
7229 bnx2x_cl45_write(bp, phy,
7230 MDIO_PMA_DEVAD,
7231 MDIO_PMA_REG_PHY_IDENTIFIER,
7232 val);
7233 break;
7234 case PORT_HW_CFG_TX_LASER_GPIO0:
7235 case PORT_HW_CFG_TX_LASER_GPIO1:
7236 case PORT_HW_CFG_TX_LASER_GPIO2:
7237 case PORT_HW_CFG_TX_LASER_GPIO3:
7238 {
7239 u16 gpio_pin;
7240 u8 gpio_port, gpio_mode;
7241 if (tx_en)
7242 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
7243 else
7244 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
7245
7246 gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
7247 gpio_port = bnx2x_get_gpio_port(params);
7248 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7249 break;
7250 }
7251 default:
7252 DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
7253 break;
7254 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007255}
7256
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007257static void bnx2x_sfp_set_transmitter(struct link_params *params,
7258 struct bnx2x_phy *phy,
7259 u8 tx_en)
7260{
7261 struct bnx2x *bp = params->bp;
7262 DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
7263 if (CHIP_IS_E3(bp))
7264 bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
7265 else
7266 bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
7267}
7268
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007269static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7270 struct link_params *params,
7271 u16 addr, u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007272{
7273 struct bnx2x *bp = params->bp;
7274 u16 val = 0;
7275 u16 i;
7276 if (byte_cnt > 16) {
7277 DP(NETIF_MSG_LINK, "Reading from eeprom is"
7278 " is limited to 0xf\n");
7279 return -EINVAL;
7280 }
7281 /* Set the read command byte count */
7282 bnx2x_cl45_write(bp, phy,
7283 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007284 (byte_cnt | 0xa000));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007285
7286 /* Set the read command address */
7287 bnx2x_cl45_write(bp, phy,
7288 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007289 addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007290
7291 /* Activate read command */
7292 bnx2x_cl45_write(bp, phy,
7293 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007294 0x2c0f);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007295
7296 /* Wait up to 500us for command complete status */
7297 for (i = 0; i < 100; i++) {
7298 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007299 MDIO_PMA_DEVAD,
7300 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007301 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7302 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7303 break;
7304 udelay(5);
7305 }
7306
7307 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7308 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7309 DP(NETIF_MSG_LINK,
7310 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7311 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7312 return -EINVAL;
7313 }
7314
7315 /* Read the buffer */
7316 for (i = 0; i < byte_cnt; i++) {
7317 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007318 MDIO_PMA_DEVAD,
7319 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007320 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7321 }
7322
7323 for (i = 0; i < 100; i++) {
7324 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007325 MDIO_PMA_DEVAD,
7326 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007327 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7328 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
Joe Perches6f38ad92010-11-14 17:04:31 +00007329 return 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007330 msleep(1);
7331 }
7332 return -EINVAL;
7333}
7334
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007335static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7336 struct link_params *params,
7337 u16 addr, u8 byte_cnt,
7338 u8 *o_buf)
7339{
7340 int rc = 0;
7341 u8 i, j = 0, cnt = 0;
7342 u32 data_array[4];
7343 u16 addr32;
7344 struct bnx2x *bp = params->bp;
7345 /*DP(NETIF_MSG_LINK, "bnx2x_direct_read_sfp_module_eeprom:"
7346 " addr %d, cnt %d\n",
7347 addr, byte_cnt);*/
7348 if (byte_cnt > 16) {
7349 DP(NETIF_MSG_LINK, "Reading from eeprom is"
7350 " is limited to 16 bytes\n");
7351 return -EINVAL;
7352 }
7353
7354 /* 4 byte aligned address */
7355 addr32 = addr & (~0x3);
7356 do {
7357 rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
7358 data_array);
7359 } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
7360
7361 if (rc == 0) {
7362 for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
7363 o_buf[j] = *((u8 *)data_array + i);
7364 j++;
7365 }
7366 }
7367
7368 return rc;
7369}
7370
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007371static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7372 struct link_params *params,
7373 u16 addr, u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007374{
7375 struct bnx2x *bp = params->bp;
7376 u16 val, i;
7377
7378 if (byte_cnt > 16) {
7379 DP(NETIF_MSG_LINK, "Reading from eeprom is"
7380 " is limited to 0xf\n");
7381 return -EINVAL;
7382 }
7383
7384 /* Need to read from 1.8000 to clear it */
7385 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007386 MDIO_PMA_DEVAD,
7387 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7388 &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007389
7390 /* Set the read command byte count */
7391 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007392 MDIO_PMA_DEVAD,
7393 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7394 ((byte_cnt < 2) ? 2 : byte_cnt));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007395
7396 /* Set the read command address */
7397 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007398 MDIO_PMA_DEVAD,
7399 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7400 addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007401 /* Set the destination address */
7402 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007403 MDIO_PMA_DEVAD,
7404 0x8004,
7405 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007406
7407 /* Activate read command */
7408 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007409 MDIO_PMA_DEVAD,
7410 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7411 0x8002);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007412 /*
7413 * Wait appropriate time for two-wire command to finish before
7414 * polling the status register
7415 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007416 msleep(1);
7417
7418 /* Wait up to 500us for command complete status */
7419 for (i = 0; i < 100; i++) {
7420 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007421 MDIO_PMA_DEVAD,
7422 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007423 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7424 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7425 break;
7426 udelay(5);
7427 }
7428
7429 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7430 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7431 DP(NETIF_MSG_LINK,
7432 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7433 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
Yaniv Rosner65a001b2011-01-31 04:22:03 +00007434 return -EFAULT;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007435 }
7436
7437 /* Read the buffer */
7438 for (i = 0; i < byte_cnt; i++) {
7439 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007440 MDIO_PMA_DEVAD,
7441 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007442 o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
7443 }
7444
7445 for (i = 0; i < 100; i++) {
7446 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007447 MDIO_PMA_DEVAD,
7448 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007449 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7450 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
Joe Perches6f38ad92010-11-14 17:04:31 +00007451 return 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007452 msleep(1);
7453 }
7454
7455 return -EINVAL;
7456}
7457
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007458int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7459 struct link_params *params, u16 addr,
7460 u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007461{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007462 int rc = -EINVAL;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007463 switch (phy->type) {
7464 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
7465 rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
7466 byte_cnt, o_buf);
7467 break;
7468 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
7469 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
7470 rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
7471 byte_cnt, o_buf);
7472 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007473 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7474 rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
7475 byte_cnt, o_buf);
7476 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007477 }
7478 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007479}
7480
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007481static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
7482 struct link_params *params,
7483 u16 *edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007484{
7485 struct bnx2x *bp = params->bp;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007486 u32 sync_offset = 0, phy_idx, media_types;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007487 u8 val, check_limiting_mode = 0;
7488 *edc_mode = EDC_MODE_LIMITING;
7489
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007490 phy->media_type = ETH_PHY_UNSPECIFIED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007491 /* First check for copper cable */
7492 if (bnx2x_read_sfp_module_eeprom(phy,
7493 params,
7494 SFP_EEPROM_CON_TYPE_ADDR,
7495 1,
7496 &val) != 0) {
7497 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
7498 return -EINVAL;
7499 }
7500
7501 switch (val) {
7502 case SFP_EEPROM_CON_TYPE_VAL_COPPER:
7503 {
7504 u8 copper_module_type;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007505 phy->media_type = ETH_PHY_DA_TWINAX;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007506 /*
7507 * Check if its active cable (includes SFP+ module)
7508 * of passive cable
7509 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007510 if (bnx2x_read_sfp_module_eeprom(phy,
7511 params,
7512 SFP_EEPROM_FC_TX_TECH_ADDR,
7513 1,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007514 &copper_module_type) != 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007515 DP(NETIF_MSG_LINK,
7516 "Failed to read copper-cable-type"
7517 " from SFP+ EEPROM\n");
7518 return -EINVAL;
7519 }
7520
7521 if (copper_module_type &
7522 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
7523 DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
7524 check_limiting_mode = 1;
7525 } else if (copper_module_type &
7526 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
7527 DP(NETIF_MSG_LINK, "Passive Copper"
7528 " cable detected\n");
7529 *edc_mode =
7530 EDC_MODE_PASSIVE_DAC;
7531 } else {
7532 DP(NETIF_MSG_LINK, "Unknown copper-cable-"
7533 "type 0x%x !!!\n", copper_module_type);
7534 return -EINVAL;
7535 }
7536 break;
7537 }
7538 case SFP_EEPROM_CON_TYPE_VAL_LC:
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007539 phy->media_type = ETH_PHY_SFP_FIBER;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007540 DP(NETIF_MSG_LINK, "Optic module detected\n");
7541 check_limiting_mode = 1;
7542 break;
7543 default:
7544 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
7545 val);
7546 return -EINVAL;
7547 }
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007548 sync_offset = params->shmem_base +
7549 offsetof(struct shmem_region,
7550 dev_info.port_hw_config[params->port].media_type);
7551 media_types = REG_RD(bp, sync_offset);
7552 /* Update media type for non-PMF sync */
7553 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
7554 if (&(params->phy[phy_idx]) == phy) {
7555 media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
7556 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
7557 media_types |= ((phy->media_type &
7558 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
7559 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
7560 break;
7561 }
7562 }
7563 REG_WR(bp, sync_offset, media_types);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007564 if (check_limiting_mode) {
7565 u8 options[SFP_EEPROM_OPTIONS_SIZE];
7566 if (bnx2x_read_sfp_module_eeprom(phy,
7567 params,
7568 SFP_EEPROM_OPTIONS_ADDR,
7569 SFP_EEPROM_OPTIONS_SIZE,
7570 options) != 0) {
7571 DP(NETIF_MSG_LINK, "Failed to read Option"
7572 " field from module EEPROM\n");
7573 return -EINVAL;
7574 }
7575 if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
7576 *edc_mode = EDC_MODE_LINEAR;
7577 else
7578 *edc_mode = EDC_MODE_LIMITING;
7579 }
7580 DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
7581 return 0;
7582}
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007583/*
7584 * This function read the relevant field from the module (SFP+), and verify it
7585 * is compliant with this board
7586 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007587static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
7588 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007589{
7590 struct bnx2x *bp = params->bp;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007591 u32 val, cmd;
7592 u32 fw_resp, fw_cmd_param;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007593 char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
7594 char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007595 phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007596 val = REG_RD(bp, params->shmem_base +
7597 offsetof(struct shmem_region, dev_info.
7598 port_feature_config[params->port].config));
7599 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
7600 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
7601 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
7602 return 0;
7603 }
7604
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007605 if (params->feature_config_flags &
7606 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
7607 /* Use specific phy request */
7608 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
7609 } else if (params->feature_config_flags &
7610 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
7611 /* Use first phy request only in case of non-dual media*/
7612 if (DUAL_MEDIA(params)) {
7613 DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
7614 "verification\n");
7615 return -EINVAL;
7616 }
7617 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
7618 } else {
7619 /* No support in OPT MDL detection */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007620 DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007621 "verification\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007622 return -EINVAL;
7623 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007624
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007625 fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
7626 fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007627 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
7628 DP(NETIF_MSG_LINK, "Approved module\n");
7629 return 0;
7630 }
7631
7632 /* format the warning message */
7633 if (bnx2x_read_sfp_module_eeprom(phy,
7634 params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007635 SFP_EEPROM_VENDOR_NAME_ADDR,
7636 SFP_EEPROM_VENDOR_NAME_SIZE,
7637 (u8 *)vendor_name))
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007638 vendor_name[0] = '\0';
7639 else
7640 vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
7641 if (bnx2x_read_sfp_module_eeprom(phy,
7642 params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007643 SFP_EEPROM_PART_NO_ADDR,
7644 SFP_EEPROM_PART_NO_SIZE,
7645 (u8 *)vendor_pn))
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007646 vendor_pn[0] = '\0';
7647 else
7648 vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
7649
Yaniv Rosner6d870c32011-01-31 04:22:20 +00007650 netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
7651 " Port %d from %s part number %s\n",
7652 params->port, vendor_name, vendor_pn);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007653 phy->flags |= FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007654 return -EINVAL;
7655}
7656
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007657static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
7658 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007659
7660{
7661 u8 val;
7662 struct bnx2x *bp = params->bp;
7663 u16 timeout;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007664 /*
7665 * Initialization time after hot-plug may take up to 300ms for
7666 * some phys type ( e.g. JDSU )
7667 */
7668
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007669 for (timeout = 0; timeout < 60; timeout++) {
7670 if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
7671 == 0) {
7672 DP(NETIF_MSG_LINK, "SFP+ module initialization "
7673 "took %d ms\n", timeout * 5);
7674 return 0;
7675 }
7676 msleep(5);
7677 }
7678 return -EINVAL;
7679}
7680
7681static void bnx2x_8727_power_module(struct bnx2x *bp,
7682 struct bnx2x_phy *phy,
7683 u8 is_power_up) {
7684 /* Make sure GPIOs are not using for LED mode */
7685 u16 val;
7686 /*
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007687 * In the GPIO register, bit 4 is use to determine if the GPIOs are
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007688 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
7689 * output
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007690 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
7691 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007692 * where the 1st bit is the over-current(only input), and 2nd bit is
7693 * for power( only output )
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007694 *
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007695 * In case of NOC feature is disabled and power is up, set GPIO control
7696 * as input to enable listening of over-current indication
7697 */
7698 if (phy->flags & FLAGS_NOC)
7699 return;
Yaniv Rosner27d02432011-05-31 21:27:48 +00007700 if (is_power_up)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007701 val = (1<<4);
7702 else
7703 /*
7704 * Set GPIO control to OUTPUT, and set the power bit
7705 * to according to the is_power_up
7706 */
Yaniv Rosner27d02432011-05-31 21:27:48 +00007707 val = (1<<1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007708
7709 bnx2x_cl45_write(bp, phy,
7710 MDIO_PMA_DEVAD,
7711 MDIO_PMA_REG_8727_GPIO_CTRL,
7712 val);
7713}
7714
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007715static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
7716 struct bnx2x_phy *phy,
7717 u16 edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007718{
7719 u16 cur_limiting_mode;
7720
7721 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007722 MDIO_PMA_DEVAD,
7723 MDIO_PMA_REG_ROM_VER2,
7724 &cur_limiting_mode);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007725 DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
7726 cur_limiting_mode);
7727
7728 if (edc_mode == EDC_MODE_LIMITING) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007729 DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007730 bnx2x_cl45_write(bp, phy,
7731 MDIO_PMA_DEVAD,
7732 MDIO_PMA_REG_ROM_VER2,
7733 EDC_MODE_LIMITING);
7734 } else { /* LRM mode ( default )*/
7735
7736 DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
7737
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007738 /*
7739 * Changing to LRM mode takes quite few seconds. So do it only
7740 * if current mode is limiting (default is LRM)
7741 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007742 if (cur_limiting_mode != EDC_MODE_LIMITING)
7743 return 0;
7744
7745 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007746 MDIO_PMA_DEVAD,
7747 MDIO_PMA_REG_LRM_MODE,
7748 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007749 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007750 MDIO_PMA_DEVAD,
7751 MDIO_PMA_REG_ROM_VER2,
7752 0x128);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007753 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007754 MDIO_PMA_DEVAD,
7755 MDIO_PMA_REG_MISC_CTRL0,
7756 0x4008);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007757 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007758 MDIO_PMA_DEVAD,
7759 MDIO_PMA_REG_LRM_MODE,
7760 0xaaaa);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007761 }
7762 return 0;
7763}
7764
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007765static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
7766 struct bnx2x_phy *phy,
7767 u16 edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007768{
7769 u16 phy_identifier;
7770 u16 rom_ver2_val;
7771 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007772 MDIO_PMA_DEVAD,
7773 MDIO_PMA_REG_PHY_IDENTIFIER,
7774 &phy_identifier);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007775
7776 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007777 MDIO_PMA_DEVAD,
7778 MDIO_PMA_REG_PHY_IDENTIFIER,
7779 (phy_identifier & ~(1<<9)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007780
7781 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007782 MDIO_PMA_DEVAD,
7783 MDIO_PMA_REG_ROM_VER2,
7784 &rom_ver2_val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007785 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
7786 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007787 MDIO_PMA_DEVAD,
7788 MDIO_PMA_REG_ROM_VER2,
7789 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007790
7791 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007792 MDIO_PMA_DEVAD,
7793 MDIO_PMA_REG_PHY_IDENTIFIER,
7794 (phy_identifier | (1<<9)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007795
7796 return 0;
7797}
7798
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007799static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
7800 struct link_params *params,
7801 u32 action)
7802{
7803 struct bnx2x *bp = params->bp;
7804
7805 switch (action) {
7806 case DISABLE_TX:
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007807 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007808 break;
7809 case ENABLE_TX:
7810 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007811 bnx2x_sfp_set_transmitter(params, phy, 1);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007812 break;
7813 default:
7814 DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
7815 action);
7816 return;
7817 }
7818}
7819
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007820static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007821 u8 gpio_mode)
7822{
7823 struct bnx2x *bp = params->bp;
7824
7825 u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
7826 offsetof(struct shmem_region,
7827 dev_info.port_hw_config[params->port].sfp_ctrl)) &
7828 PORT_HW_CFG_FAULT_MODULE_LED_MASK;
7829 switch (fault_led_gpio) {
7830 case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
7831 return;
7832 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
7833 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
7834 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
7835 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
7836 {
7837 u8 gpio_port = bnx2x_get_gpio_port(params);
7838 u16 gpio_pin = fault_led_gpio -
7839 PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
7840 DP(NETIF_MSG_LINK, "Set fault module-detected led "
7841 "pin %x port %x mode %x\n",
7842 gpio_pin, gpio_port, gpio_mode);
7843 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7844 }
7845 break;
7846 default:
7847 DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
7848 fault_led_gpio);
7849 }
7850}
7851
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007852static void bnx2x_set_e3_module_fault_led(struct link_params *params,
7853 u8 gpio_mode)
7854{
7855 u32 pin_cfg;
7856 u8 port = params->port;
7857 struct bnx2x *bp = params->bp;
7858 pin_cfg = (REG_RD(bp, params->shmem_base +
7859 offsetof(struct shmem_region,
7860 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
7861 PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
7862 PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
7863 DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
7864 gpio_mode, pin_cfg);
7865 bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
7866}
7867
7868static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
7869 u8 gpio_mode)
7870{
7871 struct bnx2x *bp = params->bp;
7872 DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
7873 if (CHIP_IS_E3(bp)) {
7874 /*
7875 * Low ==> if SFP+ module is supported otherwise
7876 * High ==> if SFP+ module is not on the approved vendor list
7877 */
7878 bnx2x_set_e3_module_fault_led(params, gpio_mode);
7879 } else
7880 bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
7881}
7882
7883static void bnx2x_warpcore_power_module(struct link_params *params,
7884 struct bnx2x_phy *phy,
7885 u8 power)
7886{
7887 u32 pin_cfg;
7888 struct bnx2x *bp = params->bp;
7889
7890 pin_cfg = (REG_RD(bp, params->shmem_base +
7891 offsetof(struct shmem_region,
7892 dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
7893 PORT_HW_CFG_E3_PWR_DIS_MASK) >>
7894 PORT_HW_CFG_E3_PWR_DIS_SHIFT;
7895 DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
7896 power, pin_cfg);
7897 /*
7898 * Low ==> corresponding SFP+ module is powered
7899 * high ==> the SFP+ module is powered down
7900 */
7901 bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
7902}
7903
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007904static void bnx2x_power_sfp_module(struct link_params *params,
7905 struct bnx2x_phy *phy,
7906 u8 power)
7907{
7908 struct bnx2x *bp = params->bp;
7909 DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
7910
7911 switch (phy->type) {
7912 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
7913 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
7914 bnx2x_8727_power_module(params->bp, phy, power);
7915 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007916 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7917 bnx2x_warpcore_power_module(params, phy, power);
7918 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007919 default:
7920 break;
7921 }
7922}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007923static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
7924 struct bnx2x_phy *phy,
7925 u16 edc_mode)
7926{
7927 u16 val = 0;
7928 u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
7929 struct bnx2x *bp = params->bp;
7930
7931 u8 lane = bnx2x_get_warpcore_lane(phy, params);
7932 /* This is a global register which controls all lanes */
7933 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
7934 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
7935 val &= ~(0xf << (lane << 2));
7936
7937 switch (edc_mode) {
7938 case EDC_MODE_LINEAR:
7939 case EDC_MODE_LIMITING:
7940 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
7941 break;
7942 case EDC_MODE_PASSIVE_DAC:
7943 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
7944 break;
7945 default:
7946 break;
7947 }
7948
7949 val |= (mode << (lane << 2));
7950 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
7951 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
7952 /* A must read */
7953 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
7954 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
7955
7956
7957}
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007958
7959static void bnx2x_set_limiting_mode(struct link_params *params,
7960 struct bnx2x_phy *phy,
7961 u16 edc_mode)
7962{
7963 switch (phy->type) {
7964 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
7965 bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
7966 break;
7967 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
7968 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
7969 bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
7970 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007971 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7972 bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
7973 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007974 }
7975}
7976
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007977int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
7978 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007979{
7980 struct bnx2x *bp = params->bp;
7981 u16 edc_mode;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007982 int rc = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007983
7984 u32 val = REG_RD(bp, params->shmem_base +
7985 offsetof(struct shmem_region, dev_info.
7986 port_feature_config[params->port].config));
7987
7988 DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
7989 params->port);
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007990 /* Power up module */
7991 bnx2x_power_sfp_module(params, phy, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007992 if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
7993 DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
7994 return -EINVAL;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007995 } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007996 /* check SFP+ module compatibility */
7997 DP(NETIF_MSG_LINK, "Module verification failed!!\n");
7998 rc = -EINVAL;
7999 /* Turn on fault module-detected led */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008000 bnx2x_set_sfp_module_fault_led(params,
8001 MISC_REGISTERS_GPIO_HIGH);
8002
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008003 /* Check if need to power down the SFP+ module */
8004 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8005 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008006 DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008007 bnx2x_power_sfp_module(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008008 return rc;
8009 }
8010 } else {
8011 /* Turn off fault module-detected led */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008012 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008013 }
8014
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008015 /*
8016 * Check and set limiting mode / LRM mode on 8726. On 8727 it
8017 * is done automatically
8018 */
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008019 bnx2x_set_limiting_mode(params, phy, edc_mode);
8020
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008021 /*
8022 * Enable transmit for this module if the module is approved, or
8023 * if unapproved modules should also enable the Tx laser
8024 */
8025 if (rc == 0 ||
8026 (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8027 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008028 bnx2x_sfp_set_transmitter(params, phy, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008029 else
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008030 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008031
8032 return rc;
8033}
8034
8035void bnx2x_handle_module_detect_int(struct link_params *params)
8036{
8037 struct bnx2x *bp = params->bp;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008038 struct bnx2x_phy *phy;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008039 u32 gpio_val;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008040 u8 gpio_num, gpio_port;
8041 if (CHIP_IS_E3(bp))
8042 phy = &params->phy[INT_PHY];
8043 else
8044 phy = &params->phy[EXT_PHY1];
8045
8046 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
8047 params->port, &gpio_num, &gpio_port) ==
8048 -EINVAL) {
8049 DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
8050 return;
8051 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008052
8053 /* Set valid module led off */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008054 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008055
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008056 /* Get current gpio val reflecting module plugged in / out*/
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008057 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008058
8059 /* Call the handling function in case module is detected */
8060 if (gpio_val == 0) {
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008061 bnx2x_power_sfp_module(params, phy, 1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008062 bnx2x_set_gpio_int(bp, gpio_num,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008063 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008064 gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008065 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
8066 bnx2x_sfp_module_detection(phy, params);
8067 else
8068 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
8069 } else {
8070 u32 val = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008071 offsetof(struct shmem_region, dev_info.
8072 port_feature_config[params->port].
8073 config));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008074
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008075 bnx2x_set_gpio_int(bp, gpio_num,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008076 MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008077 gpio_port);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008078 /*
8079 * Module was plugged out.
8080 * Disable transmit for this module
8081 */
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00008082 phy->media_type = ETH_PHY_NOT_PRESENT;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008083 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8084 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008085 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008086 }
8087}
8088
8089/******************************************************************/
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008090/* Used by 8706 and 8727 */
8091/******************************************************************/
8092static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
8093 struct bnx2x_phy *phy,
8094 u16 alarm_status_offset,
8095 u16 alarm_ctrl_offset)
8096{
8097 u16 alarm_status, val;
8098 bnx2x_cl45_read(bp, phy,
8099 MDIO_PMA_DEVAD, alarm_status_offset,
8100 &alarm_status);
8101 bnx2x_cl45_read(bp, phy,
8102 MDIO_PMA_DEVAD, alarm_status_offset,
8103 &alarm_status);
8104 /* Mask or enable the fault event. */
8105 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
8106 if (alarm_status & (1<<0))
8107 val &= ~(1<<0);
8108 else
8109 val |= (1<<0);
8110 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
8111}
8112/******************************************************************/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008113/* common BCM8706/BCM8726 PHY SECTION */
8114/******************************************************************/
8115static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
8116 struct link_params *params,
8117 struct link_vars *vars)
8118{
8119 u8 link_up = 0;
8120 u16 val1, val2, rx_sd, pcs_status;
8121 struct bnx2x *bp = params->bp;
8122 DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
8123 /* Clear RX Alarm*/
8124 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008125 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008126
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008127 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8128 MDIO_PMA_LASI_TXCTRL);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008129
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008130 /* clear LASI indication*/
8131 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008132 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008133 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008134 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008135 DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8136
8137 bnx2x_cl45_read(bp, phy,
8138 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8139 bnx2x_cl45_read(bp, phy,
8140 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
8141 bnx2x_cl45_read(bp, phy,
8142 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8143 bnx2x_cl45_read(bp, phy,
8144 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8145
8146 DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
8147 " link_status 0x%x\n", rx_sd, pcs_status, val2);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008148 /*
8149 * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
8150 * are set, or if the autoneg bit 1 is set
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008151 */
8152 link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
8153 if (link_up) {
8154 if (val2 & (1<<1))
8155 vars->line_speed = SPEED_1000;
8156 else
8157 vars->line_speed = SPEED_10000;
8158 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00008159 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008160 }
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008161
8162 /* Capture 10G link fault. Read twice to clear stale value. */
8163 if (vars->line_speed == SPEED_10000) {
8164 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008165 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008166 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008167 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008168 if (val1 & (1<<0))
8169 vars->fault_detected = 1;
8170 }
8171
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008172 return link_up;
8173}
8174
8175/******************************************************************/
8176/* BCM8706 PHY SECTION */
8177/******************************************************************/
8178static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
8179 struct link_params *params,
8180 struct link_vars *vars)
8181{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008182 u32 tx_en_mode;
8183 u16 cnt, val, tmp1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008184 struct bnx2x *bp = params->bp;
Yaniv Rosner3deb8162011-06-14 01:34:33 +00008185
8186 /* SPF+ PHY: Set flag to check for Tx error */
8187 vars->phy_flags = PHY_TX_ERROR_CHECK_FLAG;
8188
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008189 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008190 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008191 /* HW reset */
8192 bnx2x_ext_phy_hw_reset(bp, params->port);
8193 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00008194 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008195
8196 /* Wait until fw is loaded */
8197 for (cnt = 0; cnt < 100; cnt++) {
8198 bnx2x_cl45_read(bp, phy,
8199 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
8200 if (val)
8201 break;
8202 msleep(10);
8203 }
8204 DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
8205 if ((params->feature_config_flags &
8206 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8207 u8 i;
8208 u16 reg;
8209 for (i = 0; i < 4; i++) {
8210 reg = MDIO_XS_8706_REG_BANK_RX0 +
8211 i*(MDIO_XS_8706_REG_BANK_RX1 -
8212 MDIO_XS_8706_REG_BANK_RX0);
8213 bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
8214 /* Clear first 3 bits of the control */
8215 val &= ~0x7;
8216 /* Set control bits according to configuration */
8217 val |= (phy->rx_preemphasis[i] & 0x7);
8218 DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
8219 " reg 0x%x <-- val 0x%x\n", reg, val);
8220 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
8221 }
8222 }
8223 /* Force speed */
8224 if (phy->req_line_speed == SPEED_10000) {
8225 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
8226
8227 bnx2x_cl45_write(bp, phy,
8228 MDIO_PMA_DEVAD,
8229 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
8230 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008231 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008232 0);
8233 /* Arm LASI for link and Tx fault. */
8234 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008235 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008236 } else {
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008237 /* Force 1Gbps using autoneg with 1G advertisement */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008238
8239 /* Allow CL37 through CL73 */
8240 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
8241 bnx2x_cl45_write(bp, phy,
8242 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8243
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008244 /* Enable Full-Duplex advertisement on CL37 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008245 bnx2x_cl45_write(bp, phy,
8246 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
8247 /* Enable CL37 AN */
8248 bnx2x_cl45_write(bp, phy,
8249 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8250 /* 1G support */
8251 bnx2x_cl45_write(bp, phy,
8252 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
8253
8254 /* Enable clause 73 AN */
8255 bnx2x_cl45_write(bp, phy,
8256 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8257 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008258 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008259 0x0400);
8260 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008261 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008262 0x0004);
8263 }
8264 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008265
8266 /*
8267 * If TX Laser is controlled by GPIO_0, do not let PHY go into low
8268 * power mode, if TX Laser is disabled
8269 */
8270
8271 tx_en_mode = REG_RD(bp, params->shmem_base +
8272 offsetof(struct shmem_region,
8273 dev_info.port_hw_config[params->port].sfp_ctrl))
8274 & PORT_HW_CFG_TX_LASER_MASK;
8275
8276 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8277 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8278 bnx2x_cl45_read(bp, phy,
8279 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
8280 tmp1 |= 0x1;
8281 bnx2x_cl45_write(bp, phy,
8282 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
8283 }
8284
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008285 return 0;
8286}
8287
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008288static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
8289 struct link_params *params,
8290 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008291{
8292 return bnx2x_8706_8726_read_status(phy, params, vars);
8293}
8294
8295/******************************************************************/
8296/* BCM8726 PHY SECTION */
8297/******************************************************************/
8298static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
8299 struct link_params *params)
8300{
8301 struct bnx2x *bp = params->bp;
8302 DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
8303 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
8304}
8305
8306static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
8307 struct link_params *params)
8308{
8309 struct bnx2x *bp = params->bp;
8310 /* Need to wait 100ms after reset */
8311 msleep(100);
8312
8313 /* Micro controller re-boot */
8314 bnx2x_cl45_write(bp, phy,
8315 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
8316
8317 /* Set soft reset */
8318 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008319 MDIO_PMA_DEVAD,
8320 MDIO_PMA_REG_GEN_CTRL,
8321 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008322
8323 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008324 MDIO_PMA_DEVAD,
8325 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008326
8327 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008328 MDIO_PMA_DEVAD,
8329 MDIO_PMA_REG_GEN_CTRL,
8330 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008331
8332 /* wait for 150ms for microcode load */
8333 msleep(150);
8334
8335 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
8336 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008337 MDIO_PMA_DEVAD,
8338 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008339
8340 msleep(200);
8341 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8342}
8343
8344static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
8345 struct link_params *params,
8346 struct link_vars *vars)
8347{
8348 struct bnx2x *bp = params->bp;
8349 u16 val1;
8350 u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
8351 if (link_up) {
8352 bnx2x_cl45_read(bp, phy,
8353 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
8354 &val1);
8355 if (val1 & (1<<15)) {
8356 DP(NETIF_MSG_LINK, "Tx is disabled\n");
8357 link_up = 0;
8358 vars->line_speed = 0;
8359 }
8360 }
8361 return link_up;
8362}
8363
8364
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008365static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
8366 struct link_params *params,
8367 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008368{
8369 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008370 DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008371
Yaniv Rosner3deb8162011-06-14 01:34:33 +00008372 /* SPF+ PHY: Set flag to check for Tx error */
8373 vars->phy_flags = PHY_TX_ERROR_CHECK_FLAG;
8374
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008375 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00008376 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008377
8378 bnx2x_8726_external_rom_boot(phy, params);
8379
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008380 /*
8381 * Need to call module detected on initialization since the module
8382 * detection triggered by actual module insertion might occur before
8383 * driver is loaded, and when driver is loaded, it reset all
8384 * registers, including the transmitter
8385 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008386 bnx2x_sfp_module_detection(phy, params);
8387
8388 if (phy->req_line_speed == SPEED_1000) {
8389 DP(NETIF_MSG_LINK, "Setting 1G force\n");
8390 bnx2x_cl45_write(bp, phy,
8391 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
8392 bnx2x_cl45_write(bp, phy,
8393 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
8394 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008395 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008396 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008397 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008398 0x400);
8399 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
8400 (phy->speed_cap_mask &
8401 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
8402 ((phy->speed_cap_mask &
8403 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
8404 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
8405 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
8406 /* Set Flow control */
8407 bnx2x_ext_phy_set_pause(params, phy, vars);
8408 bnx2x_cl45_write(bp, phy,
8409 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
8410 bnx2x_cl45_write(bp, phy,
8411 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8412 bnx2x_cl45_write(bp, phy,
8413 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
8414 bnx2x_cl45_write(bp, phy,
8415 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8416 bnx2x_cl45_write(bp, phy,
8417 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008418 /*
8419 * Enable RX-ALARM control to receive interrupt for 1G speed
8420 * change
8421 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008422 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008423 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008424 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008425 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008426 0x400);
8427
8428 } else { /* Default 10G. Set only LASI control */
8429 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008430 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008431 }
8432
8433 /* Set TX PreEmphasis if needed */
8434 if ((params->feature_config_flags &
8435 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8436 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
8437 "TX_CTRL2 0x%x\n",
8438 phy->tx_preemphasis[0],
8439 phy->tx_preemphasis[1]);
8440 bnx2x_cl45_write(bp, phy,
8441 MDIO_PMA_DEVAD,
8442 MDIO_PMA_REG_8726_TX_CTRL1,
8443 phy->tx_preemphasis[0]);
8444
8445 bnx2x_cl45_write(bp, phy,
8446 MDIO_PMA_DEVAD,
8447 MDIO_PMA_REG_8726_TX_CTRL2,
8448 phy->tx_preemphasis[1]);
8449 }
8450
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008451 return 0;
8452
8453}
8454
8455static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
8456 struct link_params *params)
8457{
8458 struct bnx2x *bp = params->bp;
8459 DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
8460 /* Set serial boot control for external load */
8461 bnx2x_cl45_write(bp, phy,
8462 MDIO_PMA_DEVAD,
8463 MDIO_PMA_REG_GEN_CTRL, 0x0001);
8464}
8465
8466/******************************************************************/
8467/* BCM8727 PHY SECTION */
8468/******************************************************************/
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00008469
8470static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
8471 struct link_params *params, u8 mode)
8472{
8473 struct bnx2x *bp = params->bp;
8474 u16 led_mode_bitmask = 0;
8475 u16 gpio_pins_bitmask = 0;
8476 u16 val;
8477 /* Only NOC flavor requires to set the LED specifically */
8478 if (!(phy->flags & FLAGS_NOC))
8479 return;
8480 switch (mode) {
8481 case LED_MODE_FRONT_PANEL_OFF:
8482 case LED_MODE_OFF:
8483 led_mode_bitmask = 0;
8484 gpio_pins_bitmask = 0x03;
8485 break;
8486 case LED_MODE_ON:
8487 led_mode_bitmask = 0;
8488 gpio_pins_bitmask = 0x02;
8489 break;
8490 case LED_MODE_OPER:
8491 led_mode_bitmask = 0x60;
8492 gpio_pins_bitmask = 0x11;
8493 break;
8494 }
8495 bnx2x_cl45_read(bp, phy,
8496 MDIO_PMA_DEVAD,
8497 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8498 &val);
8499 val &= 0xff8f;
8500 val |= led_mode_bitmask;
8501 bnx2x_cl45_write(bp, phy,
8502 MDIO_PMA_DEVAD,
8503 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8504 val);
8505 bnx2x_cl45_read(bp, phy,
8506 MDIO_PMA_DEVAD,
8507 MDIO_PMA_REG_8727_GPIO_CTRL,
8508 &val);
8509 val &= 0xffe0;
8510 val |= gpio_pins_bitmask;
8511 bnx2x_cl45_write(bp, phy,
8512 MDIO_PMA_DEVAD,
8513 MDIO_PMA_REG_8727_GPIO_CTRL,
8514 val);
8515}
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008516static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
8517 struct link_params *params) {
8518 u32 swap_val, swap_override;
8519 u8 port;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008520 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008521 * The PHY reset is controlled by GPIO 1. Fake the port number
8522 * to cancel the swap done in set_gpio()
8523 */
8524 struct bnx2x *bp = params->bp;
8525 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
8526 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
8527 port = (swap_val && swap_override) ^ 1;
8528 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008529 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008530}
8531
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008532static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
8533 struct link_params *params,
8534 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008535{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008536 u32 tx_en_mode;
8537 u16 tmp1, val, mod_abs, tmp2;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008538 u16 rx_alarm_ctrl_val;
8539 u16 lasi_ctrl_val;
8540 struct bnx2x *bp = params->bp;
8541 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
8542
Yaniv Rosner3deb8162011-06-14 01:34:33 +00008543 /* SPF+ PHY: Set flag to check for Tx error */
8544 vars->phy_flags = PHY_TX_ERROR_CHECK_FLAG;
8545
Yaniv Rosner6d870c32011-01-31 04:22:20 +00008546 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008547 rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008548 /* Should be 0x6 to enable XS on Tx side. */
8549 lasi_ctrl_val = 0x0006;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008550
8551 DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
8552 /* enable LASI */
8553 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008554 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008555 rx_alarm_ctrl_val);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008556 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008557 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008558 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008559 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008560 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008561
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008562 /*
8563 * Initially configure MOD_ABS to interrupt when module is
8564 * presence( bit 8)
8565 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008566 bnx2x_cl45_read(bp, phy,
8567 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008568 /*
8569 * Set EDC off by setting OPTXLOS signal input to low (bit 9).
8570 * When the EDC is off it locks onto a reference clock and avoids
8571 * becoming 'lost'
8572 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00008573 mod_abs &= ~(1<<8);
8574 if (!(phy->flags & FLAGS_NOC))
8575 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008576 bnx2x_cl45_write(bp, phy,
8577 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
8578
8579
8580 /* Make MOD_ABS give interrupt on change */
8581 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8582 &val);
8583 val |= (1<<12);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00008584 if (phy->flags & FLAGS_NOC)
8585 val |= (3<<5);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008586
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008587 /*
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00008588 * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
8589 * status which reflect SFP+ module over-current
8590 */
8591 if (!(phy->flags & FLAGS_NOC))
8592 val &= 0xff8f; /* Reset bits 4-6 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008593 bnx2x_cl45_write(bp, phy,
8594 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
8595
8596 bnx2x_8727_power_module(bp, phy, 1);
8597
8598 bnx2x_cl45_read(bp, phy,
8599 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
8600
8601 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008602 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008603
8604 /* Set option 1G speed */
8605 if (phy->req_line_speed == SPEED_1000) {
8606 DP(NETIF_MSG_LINK, "Setting 1G force\n");
8607 bnx2x_cl45_write(bp, phy,
8608 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
8609 bnx2x_cl45_write(bp, phy,
8610 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
8611 bnx2x_cl45_read(bp, phy,
8612 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
8613 DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008614 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008615 * Power down the XAUI until link is up in case of dual-media
8616 * and 1G
8617 */
8618 if (DUAL_MEDIA(params)) {
8619 bnx2x_cl45_read(bp, phy,
8620 MDIO_PMA_DEVAD,
8621 MDIO_PMA_REG_8727_PCS_GP, &val);
8622 val |= (3<<10);
8623 bnx2x_cl45_write(bp, phy,
8624 MDIO_PMA_DEVAD,
8625 MDIO_PMA_REG_8727_PCS_GP, val);
8626 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008627 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
8628 ((phy->speed_cap_mask &
8629 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
8630 ((phy->speed_cap_mask &
8631 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
8632 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
8633
8634 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
8635 bnx2x_cl45_write(bp, phy,
8636 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
8637 bnx2x_cl45_write(bp, phy,
8638 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
8639 } else {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008640 /*
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008641 * Since the 8727 has only single reset pin, need to set the 10G
8642 * registers although it is default
8643 */
8644 bnx2x_cl45_write(bp, phy,
8645 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
8646 0x0020);
8647 bnx2x_cl45_write(bp, phy,
8648 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
8649 bnx2x_cl45_write(bp, phy,
8650 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
8651 bnx2x_cl45_write(bp, phy,
8652 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
8653 0x0008);
8654 }
8655
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008656 /*
8657 * Set 2-wire transfer rate of SFP+ module EEPROM
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008658 * to 100Khz since some DACs(direct attached cables) do
8659 * not work at 400Khz.
8660 */
8661 bnx2x_cl45_write(bp, phy,
8662 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
8663 0xa001);
8664
8665 /* Set TX PreEmphasis if needed */
8666 if ((params->feature_config_flags &
8667 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8668 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
8669 phy->tx_preemphasis[0],
8670 phy->tx_preemphasis[1]);
8671 bnx2x_cl45_write(bp, phy,
8672 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
8673 phy->tx_preemphasis[0]);
8674
8675 bnx2x_cl45_write(bp, phy,
8676 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
8677 phy->tx_preemphasis[1]);
8678 }
8679
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008680 /*
8681 * If TX Laser is controlled by GPIO_0, do not let PHY go into low
8682 * power mode, if TX Laser is disabled
8683 */
8684 tx_en_mode = REG_RD(bp, params->shmem_base +
8685 offsetof(struct shmem_region,
8686 dev_info.port_hw_config[params->port].sfp_ctrl))
8687 & PORT_HW_CFG_TX_LASER_MASK;
8688
8689 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8690
8691 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8692 bnx2x_cl45_read(bp, phy,
8693 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
8694 tmp2 |= 0x1000;
8695 tmp2 &= 0xFFEF;
8696 bnx2x_cl45_write(bp, phy,
8697 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
8698 }
8699
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008700 return 0;
8701}
8702
8703static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
8704 struct link_params *params)
8705{
8706 struct bnx2x *bp = params->bp;
8707 u16 mod_abs, rx_alarm_status;
8708 u32 val = REG_RD(bp, params->shmem_base +
8709 offsetof(struct shmem_region, dev_info.
8710 port_feature_config[params->port].
8711 config));
8712 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008713 MDIO_PMA_DEVAD,
8714 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008715 if (mod_abs & (1<<8)) {
8716
8717 /* Module is absent */
8718 DP(NETIF_MSG_LINK, "MOD_ABS indication "
8719 "show module is absent\n");
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00008720 phy->media_type = ETH_PHY_NOT_PRESENT;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008721 /*
8722 * 1. Set mod_abs to detect next module
8723 * presence event
8724 * 2. Set EDC off by setting OPTXLOS signal input to low
8725 * (bit 9).
8726 * When the EDC is off it locks onto a reference clock and
8727 * avoids becoming 'lost'.
8728 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00008729 mod_abs &= ~(1<<8);
8730 if (!(phy->flags & FLAGS_NOC))
8731 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008732 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008733 MDIO_PMA_DEVAD,
8734 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008735
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008736 /*
8737 * Clear RX alarm since it stays up as long as
8738 * the mod_abs wasn't changed
8739 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008740 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008741 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008742 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008743
8744 } else {
8745 /* Module is present */
8746 DP(NETIF_MSG_LINK, "MOD_ABS indication "
8747 "show module is present\n");
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008748 /*
8749 * First disable transmitter, and if the module is ok, the
8750 * module_detection will enable it
8751 * 1. Set mod_abs to detect next module absent event ( bit 8)
8752 * 2. Restore the default polarity of the OPRXLOS signal and
8753 * this signal will then correctly indicate the presence or
8754 * absence of the Rx signal. (bit 9)
8755 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00008756 mod_abs |= (1<<8);
8757 if (!(phy->flags & FLAGS_NOC))
8758 mod_abs |= (1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008759 bnx2x_cl45_write(bp, phy,
8760 MDIO_PMA_DEVAD,
8761 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
8762
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008763 /*
8764 * Clear RX alarm since it stays up as long as the mod_abs
8765 * wasn't changed. This is need to be done before calling the
8766 * module detection, otherwise it will clear* the link update
8767 * alarm
8768 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008769 bnx2x_cl45_read(bp, phy,
8770 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008771 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008772
8773
8774 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8775 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008776 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008777
8778 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
8779 bnx2x_sfp_module_detection(phy, params);
8780 else
8781 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
8782 }
8783
8784 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008785 rx_alarm_status);
8786 /* No need to check link status in case of module plugged in/out */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008787}
8788
8789static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
8790 struct link_params *params,
8791 struct link_vars *vars)
8792
8793{
8794 struct bnx2x *bp = params->bp;
Yaniv Rosner27d02432011-05-31 21:27:48 +00008795 u8 link_up = 0, oc_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008796 u16 link_status = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008797 u16 rx_alarm_status, lasi_ctrl, val1;
8798
8799 /* If PHY is not initialized, do not check link status */
8800 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008801 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008802 &lasi_ctrl);
8803 if (!lasi_ctrl)
8804 return 0;
8805
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00008806 /* Check the LASI on Rx */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008807 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008808 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008809 &rx_alarm_status);
8810 vars->line_speed = 0;
8811 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
8812
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008813 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8814 MDIO_PMA_LASI_TXCTRL);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008815
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008816 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008817 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008818
8819 DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
8820
8821 /* Clear MSG-OUT */
8822 bnx2x_cl45_read(bp, phy,
8823 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
8824
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008825 /*
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008826 * If a module is present and there is need to check
8827 * for over current
8828 */
8829 if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
8830 /* Check over-current using 8727 GPIO0 input*/
8831 bnx2x_cl45_read(bp, phy,
8832 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
8833 &val1);
8834
8835 if ((val1 & (1<<8)) == 0) {
Yaniv Rosner27d02432011-05-31 21:27:48 +00008836 if (!CHIP_IS_E1x(bp))
8837 oc_port = BP_PATH(bp) + (params->port << 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008838 DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
Yaniv Rosner27d02432011-05-31 21:27:48 +00008839 " on port %d\n", oc_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008840 netdev_err(bp->dev, "Error: Power fault on Port %d has"
8841 " been detected and the power to "
8842 "that SFP+ module has been removed"
8843 " to prevent failure of the card."
8844 " Please remove the SFP+ module and"
8845 " restart the system to clear this"
8846 " error.\n",
Yaniv Rosner27d02432011-05-31 21:27:48 +00008847 oc_port);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008848 /* Disable all RX_ALARMs except for mod_abs */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008849 bnx2x_cl45_write(bp, phy,
8850 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008851 MDIO_PMA_LASI_RXCTRL, (1<<5));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008852
8853 bnx2x_cl45_read(bp, phy,
8854 MDIO_PMA_DEVAD,
8855 MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
8856 /* Wait for module_absent_event */
8857 val1 |= (1<<8);
8858 bnx2x_cl45_write(bp, phy,
8859 MDIO_PMA_DEVAD,
8860 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
8861 /* Clear RX alarm */
8862 bnx2x_cl45_read(bp, phy,
8863 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008864 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008865 return 0;
8866 }
8867 } /* Over current check */
8868
8869 /* When module absent bit is set, check module */
8870 if (rx_alarm_status & (1<<5)) {
8871 bnx2x_8727_handle_mod_abs(phy, params);
8872 /* Enable all mod_abs and link detection bits */
8873 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008874 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008875 ((1<<5) | (1<<2)));
8876 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008877 DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
8878 bnx2x_8727_specific_func(phy, params, ENABLE_TX);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008879 /* If transmitter is disabled, ignore false link up indication */
8880 bnx2x_cl45_read(bp, phy,
8881 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
8882 if (val1 & (1<<15)) {
8883 DP(NETIF_MSG_LINK, "Tx is disabled\n");
8884 return 0;
8885 }
8886
8887 bnx2x_cl45_read(bp, phy,
8888 MDIO_PMA_DEVAD,
8889 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
8890
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008891 /*
8892 * Bits 0..2 --> speed detected,
8893 * Bits 13..15--> link is down
8894 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008895 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
8896 link_up = 1;
8897 vars->line_speed = SPEED_10000;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008898 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
8899 params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008900 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
8901 link_up = 1;
8902 vars->line_speed = SPEED_1000;
8903 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
8904 params->port);
8905 } else {
8906 link_up = 0;
8907 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
8908 params->port);
8909 }
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008910
8911 /* Capture 10G link fault. */
8912 if (vars->line_speed == SPEED_10000) {
8913 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008914 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008915
8916 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008917 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008918
8919 if (val1 & (1<<0)) {
8920 vars->fault_detected = 1;
8921 }
8922 }
8923
Yaniv Rosner791f18c2011-01-18 04:33:42 +00008924 if (link_up) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008925 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00008926 vars->duplex = DUPLEX_FULL;
8927 DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
8928 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008929
8930 if ((DUAL_MEDIA(params)) &&
8931 (phy->req_line_speed == SPEED_1000)) {
8932 bnx2x_cl45_read(bp, phy,
8933 MDIO_PMA_DEVAD,
8934 MDIO_PMA_REG_8727_PCS_GP, &val1);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008935 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008936 * In case of dual-media board and 1G, power up the XAUI side,
8937 * otherwise power it down. For 10G it is done automatically
8938 */
8939 if (link_up)
8940 val1 &= ~(3<<10);
8941 else
8942 val1 |= (3<<10);
8943 bnx2x_cl45_write(bp, phy,
8944 MDIO_PMA_DEVAD,
8945 MDIO_PMA_REG_8727_PCS_GP, val1);
8946 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008947 return link_up;
8948}
8949
8950static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
8951 struct link_params *params)
8952{
8953 struct bnx2x *bp = params->bp;
8954 /* Disable Transmitter */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008955 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008956 /* Clear LASI */
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008957 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008958
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008959}
8960
8961/******************************************************************/
8962/* BCM8481/BCM84823/BCM84833 PHY SECTION */
8963/******************************************************************/
8964static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
8965 struct link_params *params)
8966{
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00008967 u16 val, fw_ver1, fw_ver2, cnt;
8968 u8 port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008969 struct bnx2x *bp = params->bp;
8970
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00008971 port = params->port;
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00008972
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008973 /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
8974 /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00008975 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
8976 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
8977 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
8978 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
8979 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008980
8981 for (cnt = 0; cnt < 100; cnt++) {
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00008982 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008983 if (val & 1)
8984 break;
8985 udelay(5);
8986 }
8987 if (cnt == 100) {
8988 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00008989 bnx2x_save_spirom_version(bp, port, 0,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008990 phy->ver_addr);
8991 return;
8992 }
8993
8994
8995 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00008996 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
8997 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
8998 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008999 for (cnt = 0; cnt < 100; cnt++) {
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009000 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009001 if (val & 1)
9002 break;
9003 udelay(5);
9004 }
9005 if (cnt == 100) {
9006 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009007 bnx2x_save_spirom_version(bp, port, 0,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009008 phy->ver_addr);
9009 return;
9010 }
9011
9012 /* lower 16 bits of the register SPI_FW_STATUS */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009013 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009014 /* upper 16 bits of register SPI_FW_STATUS */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009015 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009016
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009017 bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009018 phy->ver_addr);
9019}
9020
9021static void bnx2x_848xx_set_led(struct bnx2x *bp,
9022 struct bnx2x_phy *phy)
9023{
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009024 u16 val;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009025
9026 /* PHYC_CTL_LED_CTL */
9027 bnx2x_cl45_read(bp, phy,
9028 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009029 MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009030 val &= 0xFE00;
9031 val |= 0x0092;
9032
9033 bnx2x_cl45_write(bp, phy,
9034 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009035 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009036
9037 bnx2x_cl45_write(bp, phy,
9038 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009039 MDIO_PMA_REG_8481_LED1_MASK,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009040 0x80);
9041
9042 bnx2x_cl45_write(bp, phy,
9043 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009044 MDIO_PMA_REG_8481_LED2_MASK,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009045 0x18);
9046
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00009047 /* Select activity source by Tx and Rx, as suggested by PHY AE */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009048 bnx2x_cl45_write(bp, phy,
9049 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009050 MDIO_PMA_REG_8481_LED3_MASK,
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00009051 0x0006);
9052
9053 /* Select the closest activity blink rate to that in 10/100/1000 */
9054 bnx2x_cl45_write(bp, phy,
9055 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009056 MDIO_PMA_REG_8481_LED3_BLINK,
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00009057 0);
9058
9059 bnx2x_cl45_read(bp, phy,
9060 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009061 MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00009062 val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
9063
9064 bnx2x_cl45_write(bp, phy,
9065 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009066 MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009067
9068 /* 'Interrupt Mask' */
9069 bnx2x_cl45_write(bp, phy,
9070 MDIO_AN_DEVAD,
9071 0xFFFB, 0xFFFD);
9072}
9073
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009074static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
9075 struct link_params *params,
9076 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009077{
9078 struct bnx2x *bp = params->bp;
9079 u16 autoneg_val, an_1000_val, an_10_100_val;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009080 u16 tmp_req_line_speed;
9081
9082 tmp_req_line_speed = phy->req_line_speed;
9083 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
9084 if (phy->req_line_speed == SPEED_10000)
9085 phy->req_line_speed = SPEED_AUTO_NEG;
9086
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009087 /*
9088 * This phy uses the NIG latch mechanism since link indication
9089 * arrives through its LED4 and not via its LASI signal, so we
9090 * get steady signal instead of clear on read
9091 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009092 bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
9093 1 << NIG_LATCH_BC_ENABLE_MI_INT);
9094
9095 bnx2x_cl45_write(bp, phy,
9096 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
9097
9098 bnx2x_848xx_set_led(bp, phy);
9099
9100 /* set 1000 speed advertisement */
9101 bnx2x_cl45_read(bp, phy,
9102 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9103 &an_1000_val);
9104
9105 bnx2x_ext_phy_set_pause(params, phy, vars);
9106 bnx2x_cl45_read(bp, phy,
9107 MDIO_AN_DEVAD,
9108 MDIO_AN_REG_8481_LEGACY_AN_ADV,
9109 &an_10_100_val);
9110 bnx2x_cl45_read(bp, phy,
9111 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9112 &autoneg_val);
9113 /* Disable forced speed */
9114 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9115 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
9116
9117 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9118 (phy->speed_cap_mask &
9119 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9120 (phy->req_line_speed == SPEED_1000)) {
9121 an_1000_val |= (1<<8);
9122 autoneg_val |= (1<<9 | 1<<12);
9123 if (phy->req_duplex == DUPLEX_FULL)
9124 an_1000_val |= (1<<9);
9125 DP(NETIF_MSG_LINK, "Advertising 1G\n");
9126 } else
9127 an_1000_val &= ~((1<<8) | (1<<9));
9128
9129 bnx2x_cl45_write(bp, phy,
9130 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9131 an_1000_val);
9132
9133 /* set 10 speed advertisement */
9134 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9135 (phy->speed_cap_mask &
9136 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
9137 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
9138 an_10_100_val |= (1<<7);
9139 /* Enable autoneg and restart autoneg for legacy speeds */
9140 autoneg_val |= (1<<9 | 1<<12);
9141
9142 if (phy->req_duplex == DUPLEX_FULL)
9143 an_10_100_val |= (1<<8);
9144 DP(NETIF_MSG_LINK, "Advertising 100M\n");
9145 }
9146 /* set 10 speed advertisement */
9147 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9148 (phy->speed_cap_mask &
9149 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
9150 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
9151 an_10_100_val |= (1<<5);
9152 autoneg_val |= (1<<9 | 1<<12);
9153 if (phy->req_duplex == DUPLEX_FULL)
9154 an_10_100_val |= (1<<6);
9155 DP(NETIF_MSG_LINK, "Advertising 10M\n");
9156 }
9157
9158 /* Only 10/100 are allowed to work in FORCE mode */
9159 if (phy->req_line_speed == SPEED_100) {
9160 autoneg_val |= (1<<13);
9161 /* Enabled AUTO-MDIX when autoneg is disabled */
9162 bnx2x_cl45_write(bp, phy,
9163 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9164 (1<<15 | 1<<9 | 7<<0));
9165 DP(NETIF_MSG_LINK, "Setting 100M force\n");
9166 }
9167 if (phy->req_line_speed == SPEED_10) {
9168 /* Enabled AUTO-MDIX when autoneg is disabled */
9169 bnx2x_cl45_write(bp, phy,
9170 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9171 (1<<15 | 1<<9 | 7<<0));
9172 DP(NETIF_MSG_LINK, "Setting 10M force\n");
9173 }
9174
9175 bnx2x_cl45_write(bp, phy,
9176 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
9177 an_10_100_val);
9178
9179 if (phy->req_duplex == DUPLEX_FULL)
9180 autoneg_val |= (1<<8);
9181
9182 bnx2x_cl45_write(bp, phy,
9183 MDIO_AN_DEVAD,
9184 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
9185
9186 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9187 (phy->speed_cap_mask &
9188 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
9189 (phy->req_line_speed == SPEED_10000)) {
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00009190 DP(NETIF_MSG_LINK, "Advertising 10G\n");
9191 /* Restart autoneg for 10G*/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009192
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00009193 bnx2x_cl45_write(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009194 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
9195 0x3200);
9196 } else if (phy->req_line_speed != SPEED_10 &&
9197 phy->req_line_speed != SPEED_100) {
9198 bnx2x_cl45_write(bp, phy,
9199 MDIO_AN_DEVAD,
9200 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9201 1);
9202 }
9203 /* Save spirom version */
9204 bnx2x_save_848xx_spirom_version(phy, params);
9205
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009206 phy->req_line_speed = tmp_req_line_speed;
9207
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009208 return 0;
9209}
9210
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009211static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
9212 struct link_params *params,
9213 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009214{
9215 struct bnx2x *bp = params->bp;
9216 /* Restore normal power mode*/
9217 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009218 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009219
9220 /* HW reset */
9221 bnx2x_ext_phy_hw_reset(bp, params->port);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00009222 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009223
9224 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9225 return bnx2x_848xx_cmn_config_init(phy, params, vars);
9226}
9227
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009228
9229#define PHY84833_HDSHK_WAIT 300
9230static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
9231 struct link_params *params,
9232 struct link_vars *vars)
9233{
9234 u32 idx;
9235 u16 val;
9236 u16 data = 0x01b1;
9237 struct bnx2x *bp = params->bp;
9238 /* Do pair swap */
9239
9240
9241 /* Write CMD_OPEN_OVERRIDE to STATUS reg */
9242 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9243 MDIO_84833_TOP_CFG_SCRATCH_REG2,
9244 PHY84833_CMD_OPEN_OVERRIDE);
9245 for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
9246 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9247 MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
9248 if (val == PHY84833_CMD_OPEN_FOR_CMDS)
9249 break;
9250 msleep(1);
9251 }
9252 if (idx >= PHY84833_HDSHK_WAIT) {
9253 DP(NETIF_MSG_LINK, "Pairswap: FW not ready.\n");
9254 return -EINVAL;
9255 }
9256
9257 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9258 MDIO_84833_TOP_CFG_SCRATCH_REG4,
9259 data);
9260 /* Issue pair swap command */
9261 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9262 MDIO_84833_TOP_CFG_SCRATCH_REG0,
9263 PHY84833_DIAG_CMD_PAIR_SWAP_CHANGE);
9264 for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
9265 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9266 MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
9267 if ((val == PHY84833_CMD_COMPLETE_PASS) ||
9268 (val == PHY84833_CMD_COMPLETE_ERROR))
9269 break;
9270 msleep(1);
9271 }
9272 if ((idx >= PHY84833_HDSHK_WAIT) ||
9273 (val == PHY84833_CMD_COMPLETE_ERROR)) {
9274 DP(NETIF_MSG_LINK, "Pairswap: override failed.\n");
9275 return -EINVAL;
9276 }
9277 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9278 MDIO_84833_TOP_CFG_SCRATCH_REG2,
9279 PHY84833_CMD_CLEAR_COMPLETE);
9280 DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data);
9281 return 0;
9282}
9283
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009284
9285static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
9286 u32 shmem_base_path[],
9287 u32 chip_id)
9288{
9289 u32 reset_pin[2];
9290 u32 idx;
9291 u8 reset_gpios;
9292 if (CHIP_IS_E3(bp)) {
9293 /* Assume that these will be GPIOs, not EPIOs. */
9294 for (idx = 0; idx < 2; idx++) {
9295 /* Map config param to register bit. */
9296 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9297 offsetof(struct shmem_region,
9298 dev_info.port_hw_config[0].e3_cmn_pin_cfg));
9299 reset_pin[idx] = (reset_pin[idx] &
9300 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
9301 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
9302 reset_pin[idx] -= PIN_CFG_GPIO0_P0;
9303 reset_pin[idx] = (1 << reset_pin[idx]);
9304 }
9305 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9306 } else {
9307 /* E2, look from diff place of shmem. */
9308 for (idx = 0; idx < 2; idx++) {
9309 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9310 offsetof(struct shmem_region,
9311 dev_info.port_hw_config[0].default_cfg));
9312 reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
9313 reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
9314 reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
9315 reset_pin[idx] = (1 << reset_pin[idx]);
9316 }
9317 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9318 }
9319
9320 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
9321 udelay(10);
9322 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
9323 msleep(800);
9324 DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
9325 reset_gpios);
9326
9327 return 0;
9328}
9329
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009330static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
9331 struct link_params *params,
9332 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009333{
9334 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00009335 u8 port, initialize = 1;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009336 u16 val;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009337 u16 temp;
Yaniv Rosner1bef68e2011-01-31 04:22:46 +00009338 u32 actual_phy_selection, cms_enable;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009339 int rc = 0;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009340
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009341 msleep(1);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009342
9343 if (!(CHIP_IS_E1(bp)))
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00009344 port = BP_PATH(bp);
9345 else
9346 port = params->port;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009347
9348 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
9349 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
9350 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
9351 port);
9352 } else {
9353 bnx2x_cl45_write(bp, phy,
9354 MDIO_PMA_DEVAD,
9355 MDIO_PMA_REG_CTRL, 0x8000);
9356 }
9357
Yaniv Rosner6d870c32011-01-31 04:22:20 +00009358 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosner9bffeac2010-11-01 05:32:27 +00009359 /* Wait for GPHY to come out of reset */
9360 msleep(50);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009361
9362 /* Bring PHY out of super isolate mode */
9363 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9364 bnx2x_cl45_read(bp, phy,
9365 MDIO_CTL_DEVAD,
9366 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
9367 val &= ~MDIO_84833_SUPER_ISOLATE;
9368 bnx2x_cl45_write(bp, phy,
9369 MDIO_CTL_DEVAD,
9370 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
9371 bnx2x_wait_reset_complete(bp, phy, params);
9372 }
9373
9374 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
9375 bnx2x_84833_pair_swap_cfg(phy, params, vars);
9376
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009377 /*
9378 * BCM84823 requires that XGXS links up first @ 10G for normal behavior
9379 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009380 temp = vars->line_speed;
9381 vars->line_speed = SPEED_10000;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009382 bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
9383 bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009384 vars->line_speed = temp;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009385
9386 /* Set dual-media configuration according to configuration */
9387
9388 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009389 MDIO_CTL_REG_84823_MEDIA, &val);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009390 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
9391 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
9392 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
9393 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
9394 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009395
9396 if (CHIP_IS_E3(bp)) {
9397 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
9398 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
9399 } else {
9400 val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
9401 MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
9402 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009403
9404 actual_phy_selection = bnx2x_phy_selection(params);
9405
9406 switch (actual_phy_selection) {
9407 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
Lucas De Marchi25985ed2011-03-30 22:57:33 -03009408 /* Do nothing. Essentially this is like the priority copper */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009409 break;
9410 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
9411 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
9412 break;
9413 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
9414 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
9415 break;
9416 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
9417 /* Do nothing here. The first PHY won't be initialized at all */
9418 break;
9419 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
9420 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
9421 initialize = 0;
9422 break;
9423 }
9424 if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
9425 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
9426
9427 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009428 MDIO_CTL_REG_84823_MEDIA, val);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009429 DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
9430 params->multi_phy_config, val);
9431
9432 if (initialize)
9433 rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
9434 else
9435 bnx2x_save_848xx_spirom_version(phy, params);
Yaniv Rosner1bef68e2011-01-31 04:22:46 +00009436 cms_enable = REG_RD(bp, params->shmem_base +
9437 offsetof(struct shmem_region,
9438 dev_info.port_hw_config[params->port].default_cfg)) &
9439 PORT_HW_CFG_ENABLE_CMS_MASK;
9440
9441 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9442 MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
9443 if (cms_enable)
9444 val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
9445 else
9446 val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
9447 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9448 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
9449
9450
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009451 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009452}
9453
9454static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009455 struct link_params *params,
9456 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009457{
9458 struct bnx2x *bp = params->bp;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009459 u16 val, val1, val2;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009460 u8 link_up = 0;
9461
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00009462
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009463 /* Check 10G-BaseT link status */
9464 /* Check PMD signal ok */
9465 bnx2x_cl45_read(bp, phy,
9466 MDIO_AN_DEVAD, 0xFFFA, &val1);
9467 bnx2x_cl45_read(bp, phy,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009468 MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009469 &val2);
9470 DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
9471
9472 /* Check link 10G */
9473 if (val2 & (1<<11)) {
9474 vars->line_speed = SPEED_10000;
Yaniv Rosner791f18c2011-01-18 04:33:42 +00009475 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009476 link_up = 1;
9477 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
9478 } else { /* Check Legacy speed link */
9479 u16 legacy_status, legacy_speed;
9480
9481 /* Enable expansion register 0x42 (Operation mode status) */
9482 bnx2x_cl45_write(bp, phy,
9483 MDIO_AN_DEVAD,
9484 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
9485
9486 /* Get legacy speed operation status */
9487 bnx2x_cl45_read(bp, phy,
9488 MDIO_AN_DEVAD,
9489 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
9490 &legacy_status);
9491
9492 DP(NETIF_MSG_LINK, "Legacy speed status"
9493 " = 0x%x\n", legacy_status);
9494 link_up = ((legacy_status & (1<<11)) == (1<<11));
9495 if (link_up) {
9496 legacy_speed = (legacy_status & (3<<9));
9497 if (legacy_speed == (0<<9))
9498 vars->line_speed = SPEED_10;
9499 else if (legacy_speed == (1<<9))
9500 vars->line_speed = SPEED_100;
9501 else if (legacy_speed == (2<<9))
9502 vars->line_speed = SPEED_1000;
9503 else /* Should not happen */
9504 vars->line_speed = 0;
9505
9506 if (legacy_status & (1<<8))
9507 vars->duplex = DUPLEX_FULL;
9508 else
9509 vars->duplex = DUPLEX_HALF;
9510
9511 DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
9512 " is_duplex_full= %d\n", vars->line_speed,
9513 (vars->duplex == DUPLEX_FULL));
9514 /* Check legacy speed AN resolution */
9515 bnx2x_cl45_read(bp, phy,
9516 MDIO_AN_DEVAD,
9517 MDIO_AN_REG_8481_LEGACY_MII_STATUS,
9518 &val);
9519 if (val & (1<<5))
9520 vars->link_status |=
9521 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
9522 bnx2x_cl45_read(bp, phy,
9523 MDIO_AN_DEVAD,
9524 MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
9525 &val);
9526 if ((val & (1<<0)) == 0)
9527 vars->link_status |=
9528 LINK_STATUS_PARALLEL_DETECTION_USED;
9529 }
9530 }
9531 if (link_up) {
9532 DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
9533 vars->line_speed);
9534 bnx2x_ext_phy_resolve_fc(phy, params, vars);
9535 }
9536
9537 return link_up;
9538}
9539
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009540
9541static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009542{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009543 int status = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009544 u32 spirom_ver;
9545 spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
9546 status = bnx2x_format_ver(spirom_ver, str, len);
9547 return status;
9548}
9549
9550static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
9551 struct link_params *params)
9552{
9553 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009554 MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009555 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009556 MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009557}
9558
9559static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
9560 struct link_params *params)
9561{
9562 bnx2x_cl45_write(params->bp, phy,
9563 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
9564 bnx2x_cl45_write(params->bp, phy,
9565 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
9566}
9567
9568static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
9569 struct link_params *params)
9570{
9571 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00009572 u8 port;
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009573 u16 val16;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009574
9575 if (!(CHIP_IS_E1(bp)))
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00009576 port = BP_PATH(bp);
9577 else
9578 port = params->port;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009579
9580 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
9581 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
9582 MISC_REGISTERS_GPIO_OUTPUT_LOW,
9583 port);
9584 } else {
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009585 bnx2x_cl45_read(bp, phy,
9586 MDIO_CTL_DEVAD,
9587 0x400f, &val16);
9588 /* Put to low power mode on newer FW */
9589 if ((val16 & 0x303f) > 0x1009)
9590 bnx2x_cl45_write(bp, phy,
9591 MDIO_PMA_DEVAD,
9592 MDIO_PMA_REG_CTRL, 0x800);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009593 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009594}
9595
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009596static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
9597 struct link_params *params, u8 mode)
9598{
9599 struct bnx2x *bp = params->bp;
9600 u16 val;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009601 u8 port;
9602
9603 if (!(CHIP_IS_E1(bp)))
9604 port = BP_PATH(bp);
9605 else
9606 port = params->port;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009607
9608 switch (mode) {
9609 case LED_MODE_OFF:
9610
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009611 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009612
9613 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
9614 SHARED_HW_CFG_LED_EXTPHY1) {
9615
9616 /* Set LED masks */
9617 bnx2x_cl45_write(bp, phy,
9618 MDIO_PMA_DEVAD,
9619 MDIO_PMA_REG_8481_LED1_MASK,
9620 0x0);
9621
9622 bnx2x_cl45_write(bp, phy,
9623 MDIO_PMA_DEVAD,
9624 MDIO_PMA_REG_8481_LED2_MASK,
9625 0x0);
9626
9627 bnx2x_cl45_write(bp, phy,
9628 MDIO_PMA_DEVAD,
9629 MDIO_PMA_REG_8481_LED3_MASK,
9630 0x0);
9631
9632 bnx2x_cl45_write(bp, phy,
9633 MDIO_PMA_DEVAD,
9634 MDIO_PMA_REG_8481_LED5_MASK,
9635 0x0);
9636
9637 } else {
9638 bnx2x_cl45_write(bp, phy,
9639 MDIO_PMA_DEVAD,
9640 MDIO_PMA_REG_8481_LED1_MASK,
9641 0x0);
9642 }
9643 break;
9644 case LED_MODE_FRONT_PANEL_OFF:
9645
9646 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009647 port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009648
9649 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
9650 SHARED_HW_CFG_LED_EXTPHY1) {
9651
9652 /* Set LED masks */
9653 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009654 MDIO_PMA_DEVAD,
9655 MDIO_PMA_REG_8481_LED1_MASK,
9656 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009657
9658 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009659 MDIO_PMA_DEVAD,
9660 MDIO_PMA_REG_8481_LED2_MASK,
9661 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009662
9663 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009664 MDIO_PMA_DEVAD,
9665 MDIO_PMA_REG_8481_LED3_MASK,
9666 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009667
9668 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009669 MDIO_PMA_DEVAD,
9670 MDIO_PMA_REG_8481_LED5_MASK,
9671 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009672
9673 } else {
9674 bnx2x_cl45_write(bp, phy,
9675 MDIO_PMA_DEVAD,
9676 MDIO_PMA_REG_8481_LED1_MASK,
9677 0x0);
9678 }
9679 break;
9680 case LED_MODE_ON:
9681
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009682 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009683
9684 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
9685 SHARED_HW_CFG_LED_EXTPHY1) {
9686 /* Set control reg */
9687 bnx2x_cl45_read(bp, phy,
9688 MDIO_PMA_DEVAD,
9689 MDIO_PMA_REG_8481_LINK_SIGNAL,
9690 &val);
9691 val &= 0x8000;
9692 val |= 0x2492;
9693
9694 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009695 MDIO_PMA_DEVAD,
9696 MDIO_PMA_REG_8481_LINK_SIGNAL,
9697 val);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009698
9699 /* Set LED masks */
9700 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009701 MDIO_PMA_DEVAD,
9702 MDIO_PMA_REG_8481_LED1_MASK,
9703 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009704
9705 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009706 MDIO_PMA_DEVAD,
9707 MDIO_PMA_REG_8481_LED2_MASK,
9708 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009709
9710 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009711 MDIO_PMA_DEVAD,
9712 MDIO_PMA_REG_8481_LED3_MASK,
9713 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009714
9715 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009716 MDIO_PMA_DEVAD,
9717 MDIO_PMA_REG_8481_LED5_MASK,
9718 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009719 } else {
9720 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009721 MDIO_PMA_DEVAD,
9722 MDIO_PMA_REG_8481_LED1_MASK,
9723 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009724 }
9725 break;
9726
9727 case LED_MODE_OPER:
9728
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009729 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009730
9731 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
9732 SHARED_HW_CFG_LED_EXTPHY1) {
9733
9734 /* Set control reg */
9735 bnx2x_cl45_read(bp, phy,
9736 MDIO_PMA_DEVAD,
9737 MDIO_PMA_REG_8481_LINK_SIGNAL,
9738 &val);
9739
9740 if (!((val &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009741 MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
9742 >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009743 DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009744 bnx2x_cl45_write(bp, phy,
9745 MDIO_PMA_DEVAD,
9746 MDIO_PMA_REG_8481_LINK_SIGNAL,
9747 0xa492);
9748 }
9749
9750 /* Set LED masks */
9751 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009752 MDIO_PMA_DEVAD,
9753 MDIO_PMA_REG_8481_LED1_MASK,
9754 0x10);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009755
9756 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009757 MDIO_PMA_DEVAD,
9758 MDIO_PMA_REG_8481_LED2_MASK,
9759 0x80);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009760
9761 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009762 MDIO_PMA_DEVAD,
9763 MDIO_PMA_REG_8481_LED3_MASK,
9764 0x98);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009765
9766 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009767 MDIO_PMA_DEVAD,
9768 MDIO_PMA_REG_8481_LED5_MASK,
9769 0x40);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009770
9771 } else {
9772 bnx2x_cl45_write(bp, phy,
9773 MDIO_PMA_DEVAD,
9774 MDIO_PMA_REG_8481_LED1_MASK,
9775 0x80);
Yaniv Rosner53eda062011-01-30 04:14:55 +00009776
9777 /* Tell LED3 to blink on source */
9778 bnx2x_cl45_read(bp, phy,
9779 MDIO_PMA_DEVAD,
9780 MDIO_PMA_REG_8481_LINK_SIGNAL,
9781 &val);
9782 val &= ~(7<<6);
9783 val |= (1<<6); /* A83B[8:6]= 1 */
9784 bnx2x_cl45_write(bp, phy,
9785 MDIO_PMA_DEVAD,
9786 MDIO_PMA_REG_8481_LINK_SIGNAL,
9787 val);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009788 }
9789 break;
9790 }
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009791
9792 /*
9793 * This is a workaround for E3+84833 until autoneg
9794 * restart is fixed in f/w
9795 */
9796 if (CHIP_IS_E3(bp)) {
9797 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
9798 MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
9799 }
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009800}
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009801
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009802/******************************************************************/
Yaniv Rosner6583e332011-06-14 01:34:17 +00009803/* 54616S PHY SECTION */
9804/******************************************************************/
9805static int bnx2x_54616s_config_init(struct bnx2x_phy *phy,
9806 struct link_params *params,
9807 struct link_vars *vars)
9808{
9809 struct bnx2x *bp = params->bp;
9810 u8 port;
9811 u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
9812 u32 cfg_pin;
9813
9814 DP(NETIF_MSG_LINK, "54616S cfg init\n");
9815 usleep_range(1000, 1000);
9816
9817 /* This works with E3 only, no need to check the chip
9818 before determining the port. */
9819 port = params->port;
9820
9821 cfg_pin = (REG_RD(bp, params->shmem_base +
9822 offsetof(struct shmem_region,
9823 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
9824 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
9825 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
9826
9827 /* Drive pin high to bring the GPHY out of reset. */
9828 bnx2x_set_cfg_pin(bp, cfg_pin, 1);
9829
9830 /* wait for GPHY to reset */
9831 msleep(50);
9832
9833 /* reset phy */
9834 bnx2x_cl22_write(bp, phy,
9835 MDIO_PMA_REG_CTRL, 0x8000);
9836 bnx2x_wait_reset_complete(bp, phy, params);
9837
9838 /*wait for GPHY to reset */
9839 msleep(50);
9840
9841 /* Configure LED4: set to INTR (0x6). */
9842 /* Accessing shadow register 0xe. */
9843 bnx2x_cl22_write(bp, phy,
9844 MDIO_REG_GPHY_SHADOW,
9845 MDIO_REG_GPHY_SHADOW_LED_SEL2);
9846 bnx2x_cl22_read(bp, phy,
9847 MDIO_REG_GPHY_SHADOW,
9848 &temp);
9849 temp &= ~(0xf << 4);
9850 temp |= (0x6 << 4);
9851 bnx2x_cl22_write(bp, phy,
9852 MDIO_REG_GPHY_SHADOW,
9853 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
9854 /* Configure INTR based on link status change. */
9855 bnx2x_cl22_write(bp, phy,
9856 MDIO_REG_INTR_MASK,
9857 ~MDIO_REG_INTR_MASK_LINK_STATUS);
9858
9859 /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
9860 bnx2x_cl22_write(bp, phy,
9861 MDIO_REG_GPHY_SHADOW,
9862 MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
9863 bnx2x_cl22_read(bp, phy,
9864 MDIO_REG_GPHY_SHADOW,
9865 &temp);
9866 temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
9867 bnx2x_cl22_write(bp, phy,
9868 MDIO_REG_GPHY_SHADOW,
9869 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
9870
9871 /* Set up fc */
9872 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
9873 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
9874 fc_val = 0;
9875 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
9876 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
9877 fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
9878
9879 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
9880 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
9881 fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
9882
9883 /* read all advertisement */
9884 bnx2x_cl22_read(bp, phy,
9885 0x09,
9886 &an_1000_val);
9887
9888 bnx2x_cl22_read(bp, phy,
9889 0x04,
9890 &an_10_100_val);
9891
9892 bnx2x_cl22_read(bp, phy,
9893 MDIO_PMA_REG_CTRL,
9894 &autoneg_val);
9895
9896 /* Disable forced speed */
9897 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9898 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
9899 (1<<11));
9900
9901 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9902 (phy->speed_cap_mask &
9903 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9904 (phy->req_line_speed == SPEED_1000)) {
9905 an_1000_val |= (1<<8);
9906 autoneg_val |= (1<<9 | 1<<12);
9907 if (phy->req_duplex == DUPLEX_FULL)
9908 an_1000_val |= (1<<9);
9909 DP(NETIF_MSG_LINK, "Advertising 1G\n");
9910 } else
9911 an_1000_val &= ~((1<<8) | (1<<9));
9912
9913 bnx2x_cl22_write(bp, phy,
9914 0x09,
9915 an_1000_val);
9916 bnx2x_cl22_read(bp, phy,
9917 0x09,
9918 &an_1000_val);
9919
9920 /* set 100 speed advertisement */
9921 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9922 (phy->speed_cap_mask &
9923 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
9924 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
9925 an_10_100_val |= (1<<7);
9926 /* Enable autoneg and restart autoneg for legacy speeds */
9927 autoneg_val |= (1<<9 | 1<<12);
9928
9929 if (phy->req_duplex == DUPLEX_FULL)
9930 an_10_100_val |= (1<<8);
9931 DP(NETIF_MSG_LINK, "Advertising 100M\n");
9932 }
9933
9934 /* set 10 speed advertisement */
9935 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9936 (phy->speed_cap_mask &
9937 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
9938 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
9939 an_10_100_val |= (1<<5);
9940 autoneg_val |= (1<<9 | 1<<12);
9941 if (phy->req_duplex == DUPLEX_FULL)
9942 an_10_100_val |= (1<<6);
9943 DP(NETIF_MSG_LINK, "Advertising 10M\n");
9944 }
9945
9946 /* Only 10/100 are allowed to work in FORCE mode */
9947 if (phy->req_line_speed == SPEED_100) {
9948 autoneg_val |= (1<<13);
9949 /* Enabled AUTO-MDIX when autoneg is disabled */
9950 bnx2x_cl22_write(bp, phy,
9951 0x18,
9952 (1<<15 | 1<<9 | 7<<0));
9953 DP(NETIF_MSG_LINK, "Setting 100M force\n");
9954 }
9955 if (phy->req_line_speed == SPEED_10) {
9956 /* Enabled AUTO-MDIX when autoneg is disabled */
9957 bnx2x_cl22_write(bp, phy,
9958 0x18,
9959 (1<<15 | 1<<9 | 7<<0));
9960 DP(NETIF_MSG_LINK, "Setting 10M force\n");
9961 }
9962
9963 bnx2x_cl22_write(bp, phy,
9964 0x04,
9965 an_10_100_val | fc_val);
9966
9967 if (phy->req_duplex == DUPLEX_FULL)
9968 autoneg_val |= (1<<8);
9969
9970 bnx2x_cl22_write(bp, phy,
9971 MDIO_PMA_REG_CTRL, autoneg_val);
9972
9973 return 0;
9974}
9975
9976static void bnx2x_54616s_set_link_led(struct bnx2x_phy *phy,
9977 struct link_params *params, u8 mode)
9978{
9979 struct bnx2x *bp = params->bp;
9980 DP(NETIF_MSG_LINK, "54616S set link led (mode=%x)\n", mode);
9981 switch (mode) {
9982 case LED_MODE_FRONT_PANEL_OFF:
9983 case LED_MODE_OFF:
9984 case LED_MODE_OPER:
9985 case LED_MODE_ON:
9986 default:
9987 break;
9988 }
9989 return;
9990}
9991
9992static void bnx2x_54616s_link_reset(struct bnx2x_phy *phy,
9993 struct link_params *params)
9994{
9995 struct bnx2x *bp = params->bp;
9996 u32 cfg_pin;
9997 u8 port;
9998
9999 /* This works with E3 only, no need to check the chip
10000 before determining the port. */
10001 port = params->port;
10002 cfg_pin = (REG_RD(bp, params->shmem_base +
10003 offsetof(struct shmem_region,
10004 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10005 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10006 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10007
10008 /* Drive pin low to put GPHY in reset. */
10009 bnx2x_set_cfg_pin(bp, cfg_pin, 0);
10010}
10011
10012static u8 bnx2x_54616s_read_status(struct bnx2x_phy *phy,
10013 struct link_params *params,
10014 struct link_vars *vars)
10015{
10016 struct bnx2x *bp = params->bp;
10017 u16 val;
10018 u8 link_up = 0;
10019 u16 legacy_status, legacy_speed;
10020
10021 /* Get speed operation status */
10022 bnx2x_cl22_read(bp, phy,
10023 0x19,
10024 &legacy_status);
10025 DP(NETIF_MSG_LINK, "54616S read_status: 0x%x\n", legacy_status);
10026
10027 /* Read status to clear the PHY interrupt. */
10028 bnx2x_cl22_read(bp, phy,
10029 MDIO_REG_INTR_STATUS,
10030 &val);
10031
10032 link_up = ((legacy_status & (1<<2)) == (1<<2));
10033
10034 if (link_up) {
10035 legacy_speed = (legacy_status & (7<<8));
10036 if (legacy_speed == (7<<8)) {
10037 vars->line_speed = SPEED_1000;
10038 vars->duplex = DUPLEX_FULL;
10039 } else if (legacy_speed == (6<<8)) {
10040 vars->line_speed = SPEED_1000;
10041 vars->duplex = DUPLEX_HALF;
10042 } else if (legacy_speed == (5<<8)) {
10043 vars->line_speed = SPEED_100;
10044 vars->duplex = DUPLEX_FULL;
10045 }
10046 /* Omitting 100Base-T4 for now */
10047 else if (legacy_speed == (3<<8)) {
10048 vars->line_speed = SPEED_100;
10049 vars->duplex = DUPLEX_HALF;
10050 } else if (legacy_speed == (2<<8)) {
10051 vars->line_speed = SPEED_10;
10052 vars->duplex = DUPLEX_FULL;
10053 } else if (legacy_speed == (1<<8)) {
10054 vars->line_speed = SPEED_10;
10055 vars->duplex = DUPLEX_HALF;
10056 } else /* Should not happen */
10057 vars->line_speed = 0;
10058
10059 DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
10060 " is_duplex_full= %d\n", vars->line_speed,
10061 (vars->duplex == DUPLEX_FULL));
10062
10063 /* Check legacy speed AN resolution */
10064 bnx2x_cl22_read(bp, phy,
10065 0x01,
10066 &val);
10067 if (val & (1<<5))
10068 vars->link_status |=
10069 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10070 bnx2x_cl22_read(bp, phy,
10071 0x06,
10072 &val);
10073 if ((val & (1<<0)) == 0)
10074 vars->link_status |=
10075 LINK_STATUS_PARALLEL_DETECTION_USED;
10076
10077 DP(NETIF_MSG_LINK, "BCM54616S: link speed is %d\n",
10078 vars->line_speed);
10079 bnx2x_ext_phy_resolve_fc(phy, params, vars);
10080 }
10081 return link_up;
10082}
10083
10084static void bnx2x_54616s_config_loopback(struct bnx2x_phy *phy,
10085 struct link_params *params)
10086{
10087 struct bnx2x *bp = params->bp;
10088 u16 val;
10089 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
10090
10091 DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54616s\n");
10092
10093 /* Enable master/slave manual mmode and set to master */
10094 /* mii write 9 [bits set 11 12] */
10095 bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
10096
10097 /* forced 1G and disable autoneg */
10098 /* set val [mii read 0] */
10099 /* set val [expr $val & [bits clear 6 12 13]] */
10100 /* set val [expr $val | [bits set 6 8]] */
10101 /* mii write 0 $val */
10102 bnx2x_cl22_read(bp, phy, 0x00, &val);
10103 val &= ~((1<<6) | (1<<12) | (1<<13));
10104 val |= (1<<6) | (1<<8);
10105 bnx2x_cl22_write(bp, phy, 0x00, val);
10106
10107 /* Set external loopback and Tx using 6dB coding */
10108 /* mii write 0x18 7 */
10109 /* set val [mii read 0x18] */
10110 /* mii write 0x18 [expr $val | [bits set 10 15]] */
10111 bnx2x_cl22_write(bp, phy, 0x18, 7);
10112 bnx2x_cl22_read(bp, phy, 0x18, &val);
10113 bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
10114
10115 /* This register opens the gate for the UMAC despite its name */
10116 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
10117
10118 /*
10119 * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
10120 * length used by the MAC receive logic to check frames.
10121 */
10122 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
10123}
10124
10125/******************************************************************/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010126/* SFX7101 PHY SECTION */
10127/******************************************************************/
10128static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
10129 struct link_params *params)
10130{
10131 struct bnx2x *bp = params->bp;
10132 /* SFX7101_XGXS_TEST1 */
10133 bnx2x_cl45_write(bp, phy,
10134 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
10135}
10136
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010137static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
10138 struct link_params *params,
10139 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010140{
10141 u16 fw_ver1, fw_ver2, val;
10142 struct bnx2x *bp = params->bp;
10143 DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
10144
10145 /* Restore normal power mode*/
10146 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010147 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010148 /* HW reset */
10149 bnx2x_ext_phy_hw_reset(bp, params->port);
Yaniv Rosner6d870c32011-01-31 04:22:20 +000010150 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010151
10152 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +000010153 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010154 DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
10155 bnx2x_cl45_write(bp, phy,
10156 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
10157
10158 bnx2x_ext_phy_set_pause(params, phy, vars);
10159 /* Restart autoneg */
10160 bnx2x_cl45_read(bp, phy,
10161 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
10162 val |= 0x200;
10163 bnx2x_cl45_write(bp, phy,
10164 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
10165
10166 /* Save spirom version */
10167 bnx2x_cl45_read(bp, phy,
10168 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
10169
10170 bnx2x_cl45_read(bp, phy,
10171 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
10172 bnx2x_save_spirom_version(bp, params->port,
10173 (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
10174 return 0;
10175}
10176
10177static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
10178 struct link_params *params,
10179 struct link_vars *vars)
10180{
10181 struct bnx2x *bp = params->bp;
10182 u8 link_up;
10183 u16 val1, val2;
10184 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +000010185 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010186 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +000010187 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010188 DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
10189 val2, val1);
10190 bnx2x_cl45_read(bp, phy,
10191 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
10192 bnx2x_cl45_read(bp, phy,
10193 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
10194 DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
10195 val2, val1);
10196 link_up = ((val1 & 4) == 4);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000010197 /* if link is up print the AN outcome of the SFX7101 PHY */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010198 if (link_up) {
10199 bnx2x_cl45_read(bp, phy,
10200 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
10201 &val2);
10202 vars->line_speed = SPEED_10000;
Yaniv Rosner791f18c2011-01-18 04:33:42 +000010203 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010204 DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
10205 val2, (val2 & (1<<14)));
10206 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
10207 bnx2x_ext_phy_resolve_fc(phy, params, vars);
10208 }
10209 return link_up;
10210}
10211
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010212static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010213{
10214 if (*len < 5)
10215 return -EINVAL;
10216 str[0] = (spirom_ver & 0xFF);
10217 str[1] = (spirom_ver & 0xFF00) >> 8;
10218 str[2] = (spirom_ver & 0xFF0000) >> 16;
10219 str[3] = (spirom_ver & 0xFF000000) >> 24;
10220 str[4] = '\0';
10221 *len -= 5;
10222 return 0;
10223}
10224
10225void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
10226{
10227 u16 val, cnt;
10228
10229 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010230 MDIO_PMA_DEVAD,
10231 MDIO_PMA_REG_7101_RESET, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010232
10233 for (cnt = 0; cnt < 10; cnt++) {
10234 msleep(50);
10235 /* Writes a self-clearing reset */
10236 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010237 MDIO_PMA_DEVAD,
10238 MDIO_PMA_REG_7101_RESET,
10239 (val | (1<<15)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010240 /* Wait for clear */
10241 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010242 MDIO_PMA_DEVAD,
10243 MDIO_PMA_REG_7101_RESET, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010244
10245 if ((val & (1<<15)) == 0)
10246 break;
10247 }
10248}
10249
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010250static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
10251 struct link_params *params) {
10252 /* Low power mode is controlled by GPIO 2 */
10253 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010254 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010255 /* The PHY reset is controlled by GPIO 1 */
10256 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010257 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010258}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010259
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010260static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
10261 struct link_params *params, u8 mode)
10262{
10263 u16 val = 0;
10264 struct bnx2x *bp = params->bp;
10265 switch (mode) {
10266 case LED_MODE_FRONT_PANEL_OFF:
10267 case LED_MODE_OFF:
10268 val = 2;
10269 break;
10270 case LED_MODE_ON:
10271 val = 1;
10272 break;
10273 case LED_MODE_OPER:
10274 val = 0;
10275 break;
10276 }
10277 bnx2x_cl45_write(bp, phy,
10278 MDIO_PMA_DEVAD,
10279 MDIO_PMA_REG_7107_LINK_LED_CNTL,
10280 val);
10281}
10282
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010283/******************************************************************/
10284/* STATIC PHY DECLARATION */
10285/******************************************************************/
10286
10287static struct bnx2x_phy phy_null = {
10288 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
10289 .addr = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010290 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010291 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010292 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10293 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10294 .mdio_ctrl = 0,
10295 .supported = 0,
10296 .media_type = ETH_PHY_NOT_PRESENT,
10297 .ver_addr = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010298 .req_flow_ctrl = 0,
10299 .req_line_speed = 0,
10300 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010301 .req_duplex = 0,
10302 .rsrv = 0,
10303 .config_init = (config_init_t)NULL,
10304 .read_status = (read_status_t)NULL,
10305 .link_reset = (link_reset_t)NULL,
10306 .config_loopback = (config_loopback_t)NULL,
10307 .format_fw_ver = (format_fw_ver_t)NULL,
10308 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010309 .set_link_led = (set_link_led_t)NULL,
10310 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010311};
10312
10313static struct bnx2x_phy phy_serdes = {
10314 .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
10315 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010316 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010317 .flags = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010318 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10319 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10320 .mdio_ctrl = 0,
10321 .supported = (SUPPORTED_10baseT_Half |
10322 SUPPORTED_10baseT_Full |
10323 SUPPORTED_100baseT_Half |
10324 SUPPORTED_100baseT_Full |
10325 SUPPORTED_1000baseT_Full |
10326 SUPPORTED_2500baseX_Full |
10327 SUPPORTED_TP |
10328 SUPPORTED_Autoneg |
10329 SUPPORTED_Pause |
10330 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000010331 .media_type = ETH_PHY_BASE_T,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010332 .ver_addr = 0,
10333 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010334 .req_line_speed = 0,
10335 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010336 .req_duplex = 0,
10337 .rsrv = 0,
Yaniv Rosnerec146a62011-05-31 21:29:27 +000010338 .config_init = (config_init_t)bnx2x_xgxs_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010339 .read_status = (read_status_t)bnx2x_link_settings_status,
10340 .link_reset = (link_reset_t)bnx2x_int_link_reset,
10341 .config_loopback = (config_loopback_t)NULL,
10342 .format_fw_ver = (format_fw_ver_t)NULL,
10343 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010344 .set_link_led = (set_link_led_t)NULL,
10345 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010346};
10347
10348static struct bnx2x_phy phy_xgxs = {
10349 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
10350 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010351 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010352 .flags = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010353 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10354 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10355 .mdio_ctrl = 0,
10356 .supported = (SUPPORTED_10baseT_Half |
10357 SUPPORTED_10baseT_Full |
10358 SUPPORTED_100baseT_Half |
10359 SUPPORTED_100baseT_Full |
10360 SUPPORTED_1000baseT_Full |
10361 SUPPORTED_2500baseX_Full |
10362 SUPPORTED_10000baseT_Full |
10363 SUPPORTED_FIBRE |
10364 SUPPORTED_Autoneg |
10365 SUPPORTED_Pause |
10366 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000010367 .media_type = ETH_PHY_CX4,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010368 .ver_addr = 0,
10369 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010370 .req_line_speed = 0,
10371 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010372 .req_duplex = 0,
10373 .rsrv = 0,
Yaniv Rosnerec146a62011-05-31 21:29:27 +000010374 .config_init = (config_init_t)bnx2x_xgxs_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010375 .read_status = (read_status_t)bnx2x_link_settings_status,
10376 .link_reset = (link_reset_t)bnx2x_int_link_reset,
10377 .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
10378 .format_fw_ver = (format_fw_ver_t)NULL,
10379 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010380 .set_link_led = (set_link_led_t)NULL,
10381 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010382};
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010383static struct bnx2x_phy phy_warpcore = {
10384 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
10385 .addr = 0xff,
10386 .def_md_devad = 0,
10387 .flags = FLAGS_HW_LOCK_REQUIRED,
10388 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10389 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10390 .mdio_ctrl = 0,
10391 .supported = (SUPPORTED_10baseT_Half |
10392 SUPPORTED_10baseT_Full |
10393 SUPPORTED_100baseT_Half |
10394 SUPPORTED_100baseT_Full |
10395 SUPPORTED_1000baseT_Full |
10396 SUPPORTED_10000baseT_Full |
10397 SUPPORTED_20000baseKR2_Full |
10398 SUPPORTED_20000baseMLD2_Full |
10399 SUPPORTED_FIBRE |
10400 SUPPORTED_Autoneg |
10401 SUPPORTED_Pause |
10402 SUPPORTED_Asym_Pause),
10403 .media_type = ETH_PHY_UNSPECIFIED,
10404 .ver_addr = 0,
10405 .req_flow_ctrl = 0,
10406 .req_line_speed = 0,
10407 .speed_cap_mask = 0,
10408 /* req_duplex = */0,
10409 /* rsrv = */0,
10410 .config_init = (config_init_t)bnx2x_warpcore_config_init,
10411 .read_status = (read_status_t)bnx2x_warpcore_read_status,
10412 .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
10413 .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
10414 .format_fw_ver = (format_fw_ver_t)NULL,
10415 .hw_reset = (hw_reset_t)NULL,
10416 .set_link_led = (set_link_led_t)NULL,
10417 .phy_specific_func = (phy_specific_func_t)NULL
10418};
10419
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010420
10421static struct bnx2x_phy phy_7101 = {
10422 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
10423 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010424 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010425 .flags = FLAGS_FAN_FAILURE_DET_REQ,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010426 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10427 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10428 .mdio_ctrl = 0,
10429 .supported = (SUPPORTED_10000baseT_Full |
10430 SUPPORTED_TP |
10431 SUPPORTED_Autoneg |
10432 SUPPORTED_Pause |
10433 SUPPORTED_Asym_Pause),
10434 .media_type = ETH_PHY_BASE_T,
10435 .ver_addr = 0,
10436 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010437 .req_line_speed = 0,
10438 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010439 .req_duplex = 0,
10440 .rsrv = 0,
10441 .config_init = (config_init_t)bnx2x_7101_config_init,
10442 .read_status = (read_status_t)bnx2x_7101_read_status,
10443 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
10444 .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
10445 .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
10446 .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010447 .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010448 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010449};
10450static struct bnx2x_phy phy_8073 = {
10451 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
10452 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010453 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010454 .flags = FLAGS_HW_LOCK_REQUIRED,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010455 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10456 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10457 .mdio_ctrl = 0,
10458 .supported = (SUPPORTED_10000baseT_Full |
10459 SUPPORTED_2500baseX_Full |
10460 SUPPORTED_1000baseT_Full |
10461 SUPPORTED_FIBRE |
10462 SUPPORTED_Autoneg |
10463 SUPPORTED_Pause |
10464 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000010465 .media_type = ETH_PHY_KR,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010466 .ver_addr = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010467 .req_flow_ctrl = 0,
10468 .req_line_speed = 0,
10469 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010470 .req_duplex = 0,
10471 .rsrv = 0,
Yaniv Rosner62b29a52010-09-07 11:40:58 +000010472 .config_init = (config_init_t)bnx2x_8073_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010473 .read_status = (read_status_t)bnx2x_8073_read_status,
10474 .link_reset = (link_reset_t)bnx2x_8073_link_reset,
10475 .config_loopback = (config_loopback_t)NULL,
10476 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
10477 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010478 .set_link_led = (set_link_led_t)NULL,
10479 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010480};
10481static struct bnx2x_phy phy_8705 = {
10482 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
10483 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010484 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010485 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010486 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10487 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10488 .mdio_ctrl = 0,
10489 .supported = (SUPPORTED_10000baseT_Full |
10490 SUPPORTED_FIBRE |
10491 SUPPORTED_Pause |
10492 SUPPORTED_Asym_Pause),
10493 .media_type = ETH_PHY_XFP_FIBER,
10494 .ver_addr = 0,
10495 .req_flow_ctrl = 0,
10496 .req_line_speed = 0,
10497 .speed_cap_mask = 0,
10498 .req_duplex = 0,
10499 .rsrv = 0,
10500 .config_init = (config_init_t)bnx2x_8705_config_init,
10501 .read_status = (read_status_t)bnx2x_8705_read_status,
10502 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
10503 .config_loopback = (config_loopback_t)NULL,
10504 .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
10505 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010506 .set_link_led = (set_link_led_t)NULL,
10507 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010508};
10509static struct bnx2x_phy phy_8706 = {
10510 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
10511 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010512 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010513 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010514 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10515 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10516 .mdio_ctrl = 0,
10517 .supported = (SUPPORTED_10000baseT_Full |
10518 SUPPORTED_1000baseT_Full |
10519 SUPPORTED_FIBRE |
10520 SUPPORTED_Pause |
10521 SUPPORTED_Asym_Pause),
10522 .media_type = ETH_PHY_SFP_FIBER,
10523 .ver_addr = 0,
10524 .req_flow_ctrl = 0,
10525 .req_line_speed = 0,
10526 .speed_cap_mask = 0,
10527 .req_duplex = 0,
10528 .rsrv = 0,
10529 .config_init = (config_init_t)bnx2x_8706_config_init,
10530 .read_status = (read_status_t)bnx2x_8706_read_status,
10531 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
10532 .config_loopback = (config_loopback_t)NULL,
10533 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
10534 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010535 .set_link_led = (set_link_led_t)NULL,
10536 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010537};
10538
10539static struct bnx2x_phy phy_8726 = {
10540 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
10541 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010542 .def_md_devad = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010543 .flags = (FLAGS_HW_LOCK_REQUIRED |
10544 FLAGS_INIT_XGXS_FIRST),
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010545 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10546 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10547 .mdio_ctrl = 0,
10548 .supported = (SUPPORTED_10000baseT_Full |
10549 SUPPORTED_1000baseT_Full |
10550 SUPPORTED_Autoneg |
10551 SUPPORTED_FIBRE |
10552 SUPPORTED_Pause |
10553 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000010554 .media_type = ETH_PHY_NOT_PRESENT,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010555 .ver_addr = 0,
10556 .req_flow_ctrl = 0,
10557 .req_line_speed = 0,
10558 .speed_cap_mask = 0,
10559 .req_duplex = 0,
10560 .rsrv = 0,
10561 .config_init = (config_init_t)bnx2x_8726_config_init,
10562 .read_status = (read_status_t)bnx2x_8726_read_status,
10563 .link_reset = (link_reset_t)bnx2x_8726_link_reset,
10564 .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
10565 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
10566 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010567 .set_link_led = (set_link_led_t)NULL,
10568 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010569};
10570
10571static struct bnx2x_phy phy_8727 = {
10572 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
10573 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010574 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010575 .flags = FLAGS_FAN_FAILURE_DET_REQ,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010576 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10577 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10578 .mdio_ctrl = 0,
10579 .supported = (SUPPORTED_10000baseT_Full |
10580 SUPPORTED_1000baseT_Full |
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010581 SUPPORTED_FIBRE |
10582 SUPPORTED_Pause |
10583 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000010584 .media_type = ETH_PHY_NOT_PRESENT,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010585 .ver_addr = 0,
10586 .req_flow_ctrl = 0,
10587 .req_line_speed = 0,
10588 .speed_cap_mask = 0,
10589 .req_duplex = 0,
10590 .rsrv = 0,
10591 .config_init = (config_init_t)bnx2x_8727_config_init,
10592 .read_status = (read_status_t)bnx2x_8727_read_status,
10593 .link_reset = (link_reset_t)bnx2x_8727_link_reset,
10594 .config_loopback = (config_loopback_t)NULL,
10595 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
10596 .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010597 .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010598 .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010599};
10600static struct bnx2x_phy phy_8481 = {
10601 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
10602 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010603 .def_md_devad = 0,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010604 .flags = FLAGS_FAN_FAILURE_DET_REQ |
10605 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010606 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10607 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10608 .mdio_ctrl = 0,
10609 .supported = (SUPPORTED_10baseT_Half |
10610 SUPPORTED_10baseT_Full |
10611 SUPPORTED_100baseT_Half |
10612 SUPPORTED_100baseT_Full |
10613 SUPPORTED_1000baseT_Full |
10614 SUPPORTED_10000baseT_Full |
10615 SUPPORTED_TP |
10616 SUPPORTED_Autoneg |
10617 SUPPORTED_Pause |
10618 SUPPORTED_Asym_Pause),
10619 .media_type = ETH_PHY_BASE_T,
10620 .ver_addr = 0,
10621 .req_flow_ctrl = 0,
10622 .req_line_speed = 0,
10623 .speed_cap_mask = 0,
10624 .req_duplex = 0,
10625 .rsrv = 0,
10626 .config_init = (config_init_t)bnx2x_8481_config_init,
10627 .read_status = (read_status_t)bnx2x_848xx_read_status,
10628 .link_reset = (link_reset_t)bnx2x_8481_link_reset,
10629 .config_loopback = (config_loopback_t)NULL,
10630 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
10631 .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010632 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010633 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010634};
10635
10636static struct bnx2x_phy phy_84823 = {
10637 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
10638 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010639 .def_md_devad = 0,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010640 .flags = FLAGS_FAN_FAILURE_DET_REQ |
10641 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010642 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10643 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10644 .mdio_ctrl = 0,
10645 .supported = (SUPPORTED_10baseT_Half |
10646 SUPPORTED_10baseT_Full |
10647 SUPPORTED_100baseT_Half |
10648 SUPPORTED_100baseT_Full |
10649 SUPPORTED_1000baseT_Full |
10650 SUPPORTED_10000baseT_Full |
10651 SUPPORTED_TP |
10652 SUPPORTED_Autoneg |
10653 SUPPORTED_Pause |
10654 SUPPORTED_Asym_Pause),
10655 .media_type = ETH_PHY_BASE_T,
10656 .ver_addr = 0,
10657 .req_flow_ctrl = 0,
10658 .req_line_speed = 0,
10659 .speed_cap_mask = 0,
10660 .req_duplex = 0,
10661 .rsrv = 0,
10662 .config_init = (config_init_t)bnx2x_848x3_config_init,
10663 .read_status = (read_status_t)bnx2x_848xx_read_status,
10664 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
10665 .config_loopback = (config_loopback_t)NULL,
10666 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
10667 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010668 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010669 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010670};
10671
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000010672static struct bnx2x_phy phy_84833 = {
10673 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
10674 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010675 .def_md_devad = 0,
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000010676 .flags = FLAGS_FAN_FAILURE_DET_REQ |
10677 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000010678 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10679 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10680 .mdio_ctrl = 0,
10681 .supported = (SUPPORTED_10baseT_Half |
10682 SUPPORTED_10baseT_Full |
10683 SUPPORTED_100baseT_Half |
10684 SUPPORTED_100baseT_Full |
10685 SUPPORTED_1000baseT_Full |
10686 SUPPORTED_10000baseT_Full |
10687 SUPPORTED_TP |
10688 SUPPORTED_Autoneg |
10689 SUPPORTED_Pause |
10690 SUPPORTED_Asym_Pause),
10691 .media_type = ETH_PHY_BASE_T,
10692 .ver_addr = 0,
10693 .req_flow_ctrl = 0,
10694 .req_line_speed = 0,
10695 .speed_cap_mask = 0,
10696 .req_duplex = 0,
10697 .rsrv = 0,
10698 .config_init = (config_init_t)bnx2x_848x3_config_init,
10699 .read_status = (read_status_t)bnx2x_848xx_read_status,
10700 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
10701 .config_loopback = (config_loopback_t)NULL,
10702 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
10703 .hw_reset = (hw_reset_t)NULL,
10704 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
10705 .phy_specific_func = (phy_specific_func_t)NULL
10706};
10707
Yaniv Rosner6583e332011-06-14 01:34:17 +000010708static struct bnx2x_phy phy_54616s = {
10709 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616,
10710 .addr = 0xff,
10711 .def_md_devad = 0,
10712 .flags = FLAGS_INIT_XGXS_FIRST,
10713 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10714 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10715 .mdio_ctrl = 0,
10716 .supported = (SUPPORTED_10baseT_Half |
10717 SUPPORTED_10baseT_Full |
10718 SUPPORTED_100baseT_Half |
10719 SUPPORTED_100baseT_Full |
10720 SUPPORTED_1000baseT_Full |
10721 SUPPORTED_TP |
10722 SUPPORTED_Autoneg |
10723 SUPPORTED_Pause |
10724 SUPPORTED_Asym_Pause),
10725 .media_type = ETH_PHY_BASE_T,
10726 .ver_addr = 0,
10727 .req_flow_ctrl = 0,
10728 .req_line_speed = 0,
10729 .speed_cap_mask = 0,
10730 /* req_duplex = */0,
10731 /* rsrv = */0,
10732 .config_init = (config_init_t)bnx2x_54616s_config_init,
10733 .read_status = (read_status_t)bnx2x_54616s_read_status,
10734 .link_reset = (link_reset_t)bnx2x_54616s_link_reset,
10735 .config_loopback = (config_loopback_t)bnx2x_54616s_config_loopback,
10736 .format_fw_ver = (format_fw_ver_t)NULL,
10737 .hw_reset = (hw_reset_t)NULL,
10738 .set_link_led = (set_link_led_t)bnx2x_54616s_set_link_led,
10739 .phy_specific_func = (phy_specific_func_t)NULL
10740};
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010741/*****************************************************************/
10742/* */
10743/* Populate the phy according. Main function: bnx2x_populate_phy */
10744/* */
10745/*****************************************************************/
10746
10747static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
10748 struct bnx2x_phy *phy, u8 port,
10749 u8 phy_index)
10750{
10751 /* Get the 4 lanes xgxs config rx and tx */
10752 u32 rx = 0, tx = 0, i;
10753 for (i = 0; i < 2; i++) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000010754 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010755 * INT_PHY and EXT_PHY1 share the same value location in the
10756 * shmem. When num_phys is greater than 1, than this value
10757 * applies only to EXT_PHY1
10758 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010759 if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
10760 rx = REG_RD(bp, shmem_base +
10761 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010762 dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010763
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010764 tx = REG_RD(bp, shmem_base +
10765 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010766 dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010767 } else {
10768 rx = REG_RD(bp, shmem_base +
10769 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010770 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010771
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010772 tx = REG_RD(bp, shmem_base +
10773 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010774 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010775 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010776
10777 phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
10778 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
10779
10780 phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
10781 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
10782 }
10783}
10784
Yaniv Rosnere10bc842010-09-07 11:40:50 +000010785static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
10786 u8 phy_index, u8 port)
10787{
10788 u32 ext_phy_config = 0;
10789 switch (phy_index) {
10790 case EXT_PHY1:
10791 ext_phy_config = REG_RD(bp, shmem_base +
10792 offsetof(struct shmem_region,
10793 dev_info.port_hw_config[port].external_phy_config));
10794 break;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010795 case EXT_PHY2:
10796 ext_phy_config = REG_RD(bp, shmem_base +
10797 offsetof(struct shmem_region,
10798 dev_info.port_hw_config[port].external_phy_config2));
10799 break;
Yaniv Rosnere10bc842010-09-07 11:40:50 +000010800 default:
10801 DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
10802 return -EINVAL;
10803 }
10804
10805 return ext_phy_config;
10806}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010807static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
10808 struct bnx2x_phy *phy)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010809{
10810 u32 phy_addr;
10811 u32 chip_id;
10812 u32 switch_cfg = (REG_RD(bp, shmem_base +
10813 offsetof(struct shmem_region,
10814 dev_info.port_feature_config[port].link_config)) &
10815 PORT_FEATURE_CONNECTED_SWITCH_MASK);
10816 chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010817 DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
10818 if (USES_WARPCORE(bp)) {
10819 u32 serdes_net_if;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010820 phy_addr = REG_RD(bp,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010821 MISC_REG_WC0_CTRL_PHY_ADDR);
10822 *phy = phy_warpcore;
10823 if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
10824 phy->flags |= FLAGS_4_PORT_MODE;
10825 else
10826 phy->flags &= ~FLAGS_4_PORT_MODE;
10827 /* Check Dual mode */
10828 serdes_net_if = (REG_RD(bp, shmem_base +
10829 offsetof(struct shmem_region, dev_info.
10830 port_hw_config[port].default_cfg)) &
10831 PORT_HW_CFG_NET_SERDES_IF_MASK);
10832 /*
10833 * Set the appropriate supported and flags indications per
10834 * interface type of the chip
10835 */
10836 switch (serdes_net_if) {
10837 case PORT_HW_CFG_NET_SERDES_IF_SGMII:
10838 phy->supported &= (SUPPORTED_10baseT_Half |
10839 SUPPORTED_10baseT_Full |
10840 SUPPORTED_100baseT_Half |
10841 SUPPORTED_100baseT_Full |
10842 SUPPORTED_1000baseT_Full |
10843 SUPPORTED_FIBRE |
10844 SUPPORTED_Autoneg |
10845 SUPPORTED_Pause |
10846 SUPPORTED_Asym_Pause);
10847 phy->media_type = ETH_PHY_BASE_T;
10848 break;
10849 case PORT_HW_CFG_NET_SERDES_IF_XFI:
10850 phy->media_type = ETH_PHY_XFP_FIBER;
10851 break;
10852 case PORT_HW_CFG_NET_SERDES_IF_SFI:
10853 phy->supported &= (SUPPORTED_1000baseT_Full |
10854 SUPPORTED_10000baseT_Full |
10855 SUPPORTED_FIBRE |
10856 SUPPORTED_Pause |
10857 SUPPORTED_Asym_Pause);
10858 phy->media_type = ETH_PHY_SFP_FIBER;
10859 break;
10860 case PORT_HW_CFG_NET_SERDES_IF_KR:
10861 phy->media_type = ETH_PHY_KR;
10862 phy->supported &= (SUPPORTED_1000baseT_Full |
10863 SUPPORTED_10000baseT_Full |
10864 SUPPORTED_FIBRE |
10865 SUPPORTED_Autoneg |
10866 SUPPORTED_Pause |
10867 SUPPORTED_Asym_Pause);
10868 break;
10869 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
10870 phy->media_type = ETH_PHY_KR;
10871 phy->flags |= FLAGS_WC_DUAL_MODE;
10872 phy->supported &= (SUPPORTED_20000baseMLD2_Full |
10873 SUPPORTED_FIBRE |
10874 SUPPORTED_Pause |
10875 SUPPORTED_Asym_Pause);
10876 break;
10877 case PORT_HW_CFG_NET_SERDES_IF_KR2:
10878 phy->media_type = ETH_PHY_KR;
10879 phy->flags |= FLAGS_WC_DUAL_MODE;
10880 phy->supported &= (SUPPORTED_20000baseKR2_Full |
10881 SUPPORTED_FIBRE |
10882 SUPPORTED_Pause |
10883 SUPPORTED_Asym_Pause);
10884 break;
10885 default:
10886 DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
10887 serdes_net_if);
10888 break;
10889 }
10890
10891 /*
10892 * Enable MDC/MDIO work-around for E3 A0 since free running MDC
10893 * was not set as expected. For B0, ECO will be enabled so there
10894 * won't be an issue there
10895 */
10896 if (CHIP_REV(bp) == CHIP_REV_Ax)
10897 phy->flags |= FLAGS_MDC_MDIO_WA;
10898 } else {
10899 switch (switch_cfg) {
10900 case SWITCH_CFG_1G:
10901 phy_addr = REG_RD(bp,
10902 NIG_REG_SERDES0_CTRL_PHY_ADDR +
10903 port * 0x10);
10904 *phy = phy_serdes;
10905 break;
10906 case SWITCH_CFG_10G:
10907 phy_addr = REG_RD(bp,
10908 NIG_REG_XGXS0_CTRL_PHY_ADDR +
10909 port * 0x18);
10910 *phy = phy_xgxs;
10911 break;
10912 default:
10913 DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
10914 return -EINVAL;
10915 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010916 }
10917 phy->addr = (u8)phy_addr;
10918 phy->mdio_ctrl = bnx2x_get_emac_base(bp,
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000010919 SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010920 port);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010921 if (CHIP_IS_E2(bp))
10922 phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
10923 else
10924 phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010925
10926 DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
10927 port, phy->addr, phy->mdio_ctrl);
10928
10929 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
10930 return 0;
10931}
Yaniv Rosnere10bc842010-09-07 11:40:50 +000010932
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010933static int bnx2x_populate_ext_phy(struct bnx2x *bp,
10934 u8 phy_index,
10935 u32 shmem_base,
10936 u32 shmem2_base,
10937 u8 port,
10938 struct bnx2x_phy *phy)
Yaniv Rosnere10bc842010-09-07 11:40:50 +000010939{
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000010940 u32 ext_phy_config, phy_type, config2;
10941 u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
Yaniv Rosnere10bc842010-09-07 11:40:50 +000010942 ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
10943 phy_index, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010944 phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
10945 /* Select the phy type */
10946 switch (phy_type) {
10947 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000010948 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010949 *phy = phy_8073;
10950 break;
10951 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
10952 *phy = phy_8705;
10953 break;
10954 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
10955 *phy = phy_8706;
10956 break;
10957 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000010958 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010959 *phy = phy_8726;
10960 break;
10961 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
10962 /* BCM8727_NOC => BCM8727 no over current */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000010963 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010964 *phy = phy_8727;
10965 phy->flags |= FLAGS_NOC;
10966 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +000010967 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010968 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000010969 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010970 *phy = phy_8727;
10971 break;
10972 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
10973 *phy = phy_8481;
10974 break;
10975 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
10976 *phy = phy_84823;
10977 break;
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000010978 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
10979 *phy = phy_84833;
10980 break;
Yaniv Rosner6583e332011-06-14 01:34:17 +000010981 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
10982 *phy = phy_54616s;
10983 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010984 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
10985 *phy = phy_7101;
10986 break;
10987 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
10988 *phy = phy_null;
10989 return -EINVAL;
10990 default:
10991 *phy = phy_null;
10992 return 0;
10993 }
10994
Yaniv Rosnere10bc842010-09-07 11:40:50 +000010995 phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010996 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
Yaniv Rosner62b29a52010-09-07 11:40:58 +000010997
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000010998 /*
10999 * The shmem address of the phy version is located on different
11000 * structures. In case this structure is too old, do not set
11001 * the address
11002 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011003 config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
11004 dev_info.shared_hw_config.config2));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011005 if (phy_index == EXT_PHY1) {
11006 phy->ver_addr = shmem_base + offsetof(struct shmem_region,
11007 port_mb[port].ext_phy_fw_version);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011008
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011009 /* Check specific mdc mdio settings */
11010 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
11011 mdc_mdio_access = config2 &
11012 SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011013 } else {
11014 u32 size = REG_RD(bp, shmem2_base);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011015
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011016 if (size >
11017 offsetof(struct shmem2_region, ext_phy_fw_version2)) {
11018 phy->ver_addr = shmem2_base +
11019 offsetof(struct shmem2_region,
11020 ext_phy_fw_version2[port]);
11021 }
11022 /* Check specific mdc mdio settings */
11023 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
11024 mdc_mdio_access = (config2 &
11025 SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
11026 (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
11027 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
11028 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011029 phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
11030
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000011031 /*
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011032 * In case mdc/mdio_access of the external phy is different than the
11033 * mdc/mdio access of the XGXS, a HW lock must be taken in each access
11034 * to prevent one port interfere with another port's CL45 operations.
11035 */
11036 if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
11037 phy->flags |= FLAGS_HW_LOCK_REQUIRED;
11038 DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
11039 phy_type, port, phy_index);
11040 DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
11041 phy->addr, phy->mdio_ctrl);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011042 return 0;
11043}
11044
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011045static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
11046 u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011047{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011048 int status = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011049 phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
11050 if (phy_index == INT_PHY)
11051 return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011052 status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011053 port, phy);
11054 return status;
11055}
11056
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011057static void bnx2x_phy_def_cfg(struct link_params *params,
11058 struct bnx2x_phy *phy,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011059 u8 phy_index)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011060{
11061 struct bnx2x *bp = params->bp;
11062 u32 link_config;
11063 /* Populate the default phy configuration for MF mode */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011064 if (phy_index == EXT_PHY2) {
11065 link_config = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011066 offsetof(struct shmem_region, dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011067 port_feature_config[params->port].link_config2));
11068 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011069 offsetof(struct shmem_region,
11070 dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011071 port_hw_config[params->port].speed_capability_mask2));
11072 } else {
11073 link_config = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011074 offsetof(struct shmem_region, dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011075 port_feature_config[params->port].link_config));
11076 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011077 offsetof(struct shmem_region,
11078 dev_info.
11079 port_hw_config[params->port].speed_capability_mask));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011080 }
11081 DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
11082 " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011083
11084 phy->req_duplex = DUPLEX_FULL;
11085 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
11086 case PORT_FEATURE_LINK_SPEED_10M_HALF:
11087 phy->req_duplex = DUPLEX_HALF;
11088 case PORT_FEATURE_LINK_SPEED_10M_FULL:
11089 phy->req_line_speed = SPEED_10;
11090 break;
11091 case PORT_FEATURE_LINK_SPEED_100M_HALF:
11092 phy->req_duplex = DUPLEX_HALF;
11093 case PORT_FEATURE_LINK_SPEED_100M_FULL:
11094 phy->req_line_speed = SPEED_100;
11095 break;
11096 case PORT_FEATURE_LINK_SPEED_1G:
11097 phy->req_line_speed = SPEED_1000;
11098 break;
11099 case PORT_FEATURE_LINK_SPEED_2_5G:
11100 phy->req_line_speed = SPEED_2500;
11101 break;
11102 case PORT_FEATURE_LINK_SPEED_10G_CX4:
11103 phy->req_line_speed = SPEED_10000;
11104 break;
11105 default:
11106 phy->req_line_speed = SPEED_AUTO_NEG;
11107 break;
11108 }
11109
11110 switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
11111 case PORT_FEATURE_FLOW_CONTROL_AUTO:
11112 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
11113 break;
11114 case PORT_FEATURE_FLOW_CONTROL_TX:
11115 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
11116 break;
11117 case PORT_FEATURE_FLOW_CONTROL_RX:
11118 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
11119 break;
11120 case PORT_FEATURE_FLOW_CONTROL_BOTH:
11121 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
11122 break;
11123 default:
11124 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11125 break;
11126 }
11127}
11128
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011129u32 bnx2x_phy_selection(struct link_params *params)
11130{
11131 u32 phy_config_swapped, prio_cfg;
11132 u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
11133
11134 phy_config_swapped = params->multi_phy_config &
11135 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
11136
11137 prio_cfg = params->multi_phy_config &
11138 PORT_HW_CFG_PHY_SELECTION_MASK;
11139
11140 if (phy_config_swapped) {
11141 switch (prio_cfg) {
11142 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
11143 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
11144 break;
11145 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
11146 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
11147 break;
11148 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
11149 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
11150 break;
11151 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
11152 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
11153 break;
11154 }
11155 } else
11156 return_cfg = prio_cfg;
11157
11158 return return_cfg;
11159}
11160
11161
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011162int bnx2x_phy_probe(struct link_params *params)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011163{
11164 u8 phy_index, actual_phy_idx, link_cfg_idx;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011165 u32 phy_config_swapped, sync_offset, media_types;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011166 struct bnx2x *bp = params->bp;
11167 struct bnx2x_phy *phy;
11168 params->num_phys = 0;
11169 DP(NETIF_MSG_LINK, "Begin phy probe\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011170 phy_config_swapped = params->multi_phy_config &
11171 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011172
11173 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
11174 phy_index++) {
11175 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
11176 actual_phy_idx = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011177 if (phy_config_swapped) {
11178 if (phy_index == EXT_PHY1)
11179 actual_phy_idx = EXT_PHY2;
11180 else if (phy_index == EXT_PHY2)
11181 actual_phy_idx = EXT_PHY1;
11182 }
11183 DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
11184 " actual_phy_idx %x\n", phy_config_swapped,
11185 phy_index, actual_phy_idx);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011186 phy = &params->phy[actual_phy_idx];
11187 if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011188 params->shmem2_base, params->port,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011189 phy) != 0) {
11190 params->num_phys = 0;
11191 DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
11192 phy_index);
11193 for (phy_index = INT_PHY;
11194 phy_index < MAX_PHYS;
11195 phy_index++)
11196 *phy = phy_null;
11197 return -EINVAL;
11198 }
11199 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
11200 break;
11201
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011202 sync_offset = params->shmem_base +
11203 offsetof(struct shmem_region,
11204 dev_info.port_hw_config[params->port].media_type);
11205 media_types = REG_RD(bp, sync_offset);
11206
11207 /*
11208 * Update media type for non-PMF sync only for the first time
11209 * In case the media type changes afterwards, it will be updated
11210 * using the update_status function
11211 */
11212 if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
11213 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
11214 actual_phy_idx))) == 0) {
11215 media_types |= ((phy->media_type &
11216 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
11217 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
11218 actual_phy_idx));
11219 }
11220 REG_WR(bp, sync_offset, media_types);
11221
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011222 bnx2x_phy_def_cfg(params, phy, phy_index);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011223 params->num_phys++;
11224 }
11225
11226 DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
11227 return 0;
11228}
11229
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011230void bnx2x_init_bmac_loopback(struct link_params *params,
11231 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011232{
11233 struct bnx2x *bp = params->bp;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011234 vars->link_up = 1;
11235 vars->line_speed = SPEED_10000;
11236 vars->duplex = DUPLEX_FULL;
11237 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11238 vars->mac_type = MAC_TYPE_BMAC;
11239
11240 vars->phy_flags = PHY_XGXS_FLAG;
11241
11242 bnx2x_xgxs_deassert(params);
11243
11244 /* set bmac loopback */
11245 bnx2x_bmac_enable(params, vars, 1);
11246
11247 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11248}
11249
11250void bnx2x_init_emac_loopback(struct link_params *params,
11251 struct link_vars *vars)
11252{
11253 struct bnx2x *bp = params->bp;
11254 vars->link_up = 1;
11255 vars->line_speed = SPEED_1000;
11256 vars->duplex = DUPLEX_FULL;
11257 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11258 vars->mac_type = MAC_TYPE_EMAC;
11259
11260 vars->phy_flags = PHY_XGXS_FLAG;
11261
11262 bnx2x_xgxs_deassert(params);
11263 /* set bmac loopback */
11264 bnx2x_emac_enable(params, vars, 1);
11265 bnx2x_emac_program(params, vars);
11266 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11267}
11268
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011269void bnx2x_init_xmac_loopback(struct link_params *params,
11270 struct link_vars *vars)
11271{
11272 struct bnx2x *bp = params->bp;
11273 vars->link_up = 1;
11274 if (!params->req_line_speed[0])
11275 vars->line_speed = SPEED_10000;
11276 else
11277 vars->line_speed = params->req_line_speed[0];
11278 vars->duplex = DUPLEX_FULL;
11279 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11280 vars->mac_type = MAC_TYPE_XMAC;
11281 vars->phy_flags = PHY_XGXS_FLAG;
11282 /*
11283 * Set WC to loopback mode since link is required to provide clock
11284 * to the XMAC in 20G mode
11285 */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011286 if (vars->line_speed == SPEED_20000) {
11287 bnx2x_set_aer_mmd(params, &params->phy[0]);
11288 bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
11289 params->phy[INT_PHY].config_loopback(
11290 &params->phy[INT_PHY],
11291 params);
11292 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011293 bnx2x_xmac_enable(params, vars, 1);
11294 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11295}
11296
11297void bnx2x_init_umac_loopback(struct link_params *params,
11298 struct link_vars *vars)
11299{
11300 struct bnx2x *bp = params->bp;
11301 vars->link_up = 1;
11302 vars->line_speed = SPEED_1000;
11303 vars->duplex = DUPLEX_FULL;
11304 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11305 vars->mac_type = MAC_TYPE_UMAC;
11306 vars->phy_flags = PHY_XGXS_FLAG;
11307 bnx2x_umac_enable(params, vars, 1);
11308
11309 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11310}
11311
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011312void bnx2x_init_xgxs_loopback(struct link_params *params,
11313 struct link_vars *vars)
11314{
11315 struct bnx2x *bp = params->bp;
11316 vars->link_up = 1;
11317 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11318 vars->duplex = DUPLEX_FULL;
11319 if (params->req_line_speed[0] == SPEED_1000)
11320 vars->line_speed = SPEED_1000;
11321 else
11322 vars->line_speed = SPEED_10000;
11323
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011324 if (!USES_WARPCORE(bp))
11325 bnx2x_xgxs_deassert(params);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011326 bnx2x_link_initialize(params, vars);
11327
11328 if (params->req_line_speed[0] == SPEED_1000) {
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011329 if (USES_WARPCORE(bp))
11330 bnx2x_umac_enable(params, vars, 0);
11331 else {
11332 bnx2x_emac_program(params, vars);
11333 bnx2x_emac_enable(params, vars, 0);
11334 }
11335 } else {
11336 if (USES_WARPCORE(bp))
11337 bnx2x_xmac_enable(params, vars, 0);
11338 else
11339 bnx2x_bmac_enable(params, vars, 0);
11340 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011341
11342 if (params->loopback_mode == LOOPBACK_XGXS) {
11343 /* set 10G XGXS loopback */
11344 params->phy[INT_PHY].config_loopback(
11345 &params->phy[INT_PHY],
11346 params);
11347
11348 } else {
11349 /* set external phy loopback */
11350 u8 phy_index;
11351 for (phy_index = EXT_PHY1;
11352 phy_index < params->num_phys; phy_index++) {
11353 if (params->phy[phy_index].config_loopback)
11354 params->phy[phy_index].config_loopback(
11355 &params->phy[phy_index],
11356 params);
11357 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011358 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011359 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011360
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011361 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011362}
11363
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011364int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011365{
11366 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011367 DP(NETIF_MSG_LINK, "Phy Initialization started\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011368 DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
11369 params->req_line_speed[0], params->req_flow_ctrl[0]);
11370 DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
11371 params->req_line_speed[1], params->req_flow_ctrl[1]);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011372 vars->link_status = 0;
11373 vars->phy_link_up = 0;
11374 vars->link_up = 0;
11375 vars->line_speed = 0;
11376 vars->duplex = DUPLEX_FULL;
11377 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11378 vars->mac_type = MAC_TYPE_NONE;
11379 vars->phy_flags = 0;
11380
11381 /* disable attentions */
11382 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
11383 (NIG_MASK_XGXS0_LINK_STATUS |
11384 NIG_MASK_XGXS0_LINK10G |
11385 NIG_MASK_SERDES0_LINK_STATUS |
11386 NIG_MASK_MI_INT));
11387
11388 bnx2x_emac_init(params, vars);
11389
11390 if (params->num_phys == 0) {
11391 DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
11392 return -EINVAL;
11393 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011394 set_phy_vars(params, vars);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011395
11396 DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011397 switch (params->loopback_mode) {
11398 case LOOPBACK_BMAC:
11399 bnx2x_init_bmac_loopback(params, vars);
11400 break;
11401 case LOOPBACK_EMAC:
11402 bnx2x_init_emac_loopback(params, vars);
11403 break;
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011404 case LOOPBACK_XMAC:
11405 bnx2x_init_xmac_loopback(params, vars);
11406 break;
11407 case LOOPBACK_UMAC:
11408 bnx2x_init_umac_loopback(params, vars);
11409 break;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011410 case LOOPBACK_XGXS:
11411 case LOOPBACK_EXT_PHY:
11412 bnx2x_init_xgxs_loopback(params, vars);
11413 break;
11414 default:
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011415 if (!CHIP_IS_E3(bp)) {
11416 if (params->switch_cfg == SWITCH_CFG_10G)
11417 bnx2x_xgxs_deassert(params);
11418 else
11419 bnx2x_serdes_deassert(bp, params->port);
11420 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011421 bnx2x_link_initialize(params, vars);
11422 msleep(30);
11423 bnx2x_link_int_enable(params);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011424 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011425 }
11426 return 0;
11427}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011428
11429int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
11430 u8 reset_ext_phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011431{
11432 struct bnx2x *bp = params->bp;
Yaniv Rosnercf1d9722010-11-01 05:32:34 +000011433 u8 phy_index, port = params->port, clear_latch_ind = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011434 DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
11435 /* disable attentions */
11436 vars->link_status = 0;
11437 bnx2x_update_mng(params, vars->link_status);
11438 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011439 (NIG_MASK_XGXS0_LINK_STATUS |
11440 NIG_MASK_XGXS0_LINK10G |
11441 NIG_MASK_SERDES0_LINK_STATUS |
11442 NIG_MASK_MI_INT));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011443
11444 /* activate nig drain */
11445 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
11446
11447 /* disable nig egress interface */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011448 if (!CHIP_IS_E3(bp)) {
11449 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
11450 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
11451 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011452
11453 /* Stop BigMac rx */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011454 if (!CHIP_IS_E3(bp))
11455 bnx2x_bmac_rx_disable(bp, port);
11456 else
11457 bnx2x_xmac_disable(params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011458 /* disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011459 if (!CHIP_IS_E3(bp))
11460 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011461
11462 msleep(10);
Lucas De Marchi25985ed2011-03-30 22:57:33 -030011463 /* The PHY reset is controlled by GPIO 1
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011464 * Hold it as vars low
11465 */
11466 /* clear link led */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011467 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
11468
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011469 if (reset_ext_phy) {
11470 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
11471 phy_index++) {
11472 if (params->phy[phy_index].link_reset)
11473 params->phy[phy_index].link_reset(
11474 &params->phy[phy_index],
11475 params);
Yaniv Rosnercf1d9722010-11-01 05:32:34 +000011476 if (params->phy[phy_index].flags &
11477 FLAGS_REARM_LATCH_SIGNAL)
11478 clear_latch_ind = 1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011479 }
11480 }
11481
Yaniv Rosnercf1d9722010-11-01 05:32:34 +000011482 if (clear_latch_ind) {
11483 /* Clear latching indication */
11484 bnx2x_rearm_latch_signal(bp, port, 0);
11485 bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
11486 1 << NIG_LATCH_BC_ENABLE_MI_INT);
11487 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011488 if (params->phy[INT_PHY].link_reset)
11489 params->phy[INT_PHY].link_reset(
11490 &params->phy[INT_PHY], params);
11491 /* reset BigMac */
11492 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
11493 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
11494
11495 /* disable nig ingress interface */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011496 if (!CHIP_IS_E3(bp)) {
11497 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
11498 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
11499 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011500 vars->link_up = 0;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011501 vars->phy_flags = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011502 return 0;
11503}
11504
11505/****************************************************************************/
11506/* Common function */
11507/****************************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011508static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
11509 u32 shmem_base_path[],
11510 u32 shmem2_base_path[], u8 phy_index,
11511 u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011512{
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011513 struct bnx2x_phy phy[PORT_MAX];
11514 struct bnx2x_phy *phy_blk[PORT_MAX];
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011515 u16 val;
Yaniv Rosnerc8e64df2011-01-30 04:15:00 +000011516 s8 port = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011517 s8 port_of_path = 0;
Yaniv Rosnerc8e64df2011-01-30 04:15:00 +000011518 u32 swap_val, swap_override;
11519 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
11520 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
11521 port ^= (swap_val && swap_override);
11522 bnx2x_ext_phy_hw_reset(bp, port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011523 /* PART1 - Reset both phys */
11524 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011525 u32 shmem_base, shmem2_base;
11526 /* In E2, same phy is using for port0 of the two paths */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011527 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011528 shmem_base = shmem_base_path[0];
11529 shmem2_base = shmem2_base_path[0];
11530 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011531 } else {
11532 shmem_base = shmem_base_path[port];
11533 shmem2_base = shmem2_base_path[port];
11534 port_of_path = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011535 }
11536
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011537 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011538 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011539 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011540 0) {
11541 DP(NETIF_MSG_LINK, "populate_phy failed\n");
11542 return -EINVAL;
11543 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011544 /* disable attentions */
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +000011545 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
11546 port_of_path*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011547 (NIG_MASK_XGXS0_LINK_STATUS |
11548 NIG_MASK_XGXS0_LINK10G |
11549 NIG_MASK_SERDES0_LINK_STATUS |
11550 NIG_MASK_MI_INT));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011551
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011552 /* Need to take the phy out of low power mode in order
11553 to write to access its registers */
11554 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011555 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
11556 port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011557
11558 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011559 bnx2x_cl45_write(bp, &phy[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011560 MDIO_PMA_DEVAD,
11561 MDIO_PMA_REG_CTRL,
11562 1<<15);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011563 }
11564
11565 /* Add delay of 150ms after reset */
11566 msleep(150);
11567
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011568 if (phy[PORT_0].addr & 0x1) {
11569 phy_blk[PORT_0] = &(phy[PORT_1]);
11570 phy_blk[PORT_1] = &(phy[PORT_0]);
11571 } else {
11572 phy_blk[PORT_0] = &(phy[PORT_0]);
11573 phy_blk[PORT_1] = &(phy[PORT_1]);
11574 }
11575
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011576 /* PART2 - Download firmware to both phys */
11577 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011578 if (CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011579 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011580 else
11581 port_of_path = 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011582
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011583 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
11584 phy_blk[port]->addr);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +000011585 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
11586 port_of_path))
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011587 return -EINVAL;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011588
11589 /* Only set bit 10 = 1 (Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011590 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011591 MDIO_PMA_DEVAD,
11592 MDIO_PMA_REG_TX_POWER_DOWN, &val);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011593
11594 /* Phase1 of TX_POWER_DOWN reset */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011595 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011596 MDIO_PMA_DEVAD,
11597 MDIO_PMA_REG_TX_POWER_DOWN,
11598 (val | 1<<10));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011599 }
11600
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000011601 /*
11602 * Toggle Transmitter: Power down and then up with 600ms delay
11603 * between
11604 */
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011605 msleep(600);
11606
11607 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
11608 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Eilon Greensteinf5372252009-02-12 08:38:30 +000011609 /* Phase2 of POWER_DOWN_RESET */
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011610 /* Release bit 10 (Release Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011611 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011612 MDIO_PMA_DEVAD,
11613 MDIO_PMA_REG_TX_POWER_DOWN, &val);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011614
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011615 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011616 MDIO_PMA_DEVAD,
11617 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011618 msleep(15);
11619
11620 /* Read modify write the SPI-ROM version select register */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011621 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011622 MDIO_PMA_DEVAD,
11623 MDIO_PMA_REG_EDC_FFE_MAIN, &val);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011624 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011625 MDIO_PMA_DEVAD,
11626 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011627
11628 /* set GPIO2 back to LOW */
11629 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011630 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011631 }
11632 return 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011633}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011634static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
11635 u32 shmem_base_path[],
11636 u32 shmem2_base_path[], u8 phy_index,
11637 u32 chip_id)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011638{
11639 u32 val;
11640 s8 port;
11641 struct bnx2x_phy phy;
11642 /* Use port1 because of the static port-swap */
11643 /* Enable the module detection interrupt */
11644 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
11645 val |= ((1<<MISC_REGISTERS_GPIO_3)|
11646 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
11647 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
11648
Yaniv Rosner650154b2010-11-01 05:32:36 +000011649 bnx2x_ext_phy_hw_reset(bp, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011650 msleep(5);
11651 for (port = 0; port < PORT_MAX; port++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011652 u32 shmem_base, shmem2_base;
11653
11654 /* In E2, same phy is using for port0 of the two paths */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011655 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011656 shmem_base = shmem_base_path[0];
11657 shmem2_base = shmem2_base_path[0];
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011658 } else {
11659 shmem_base = shmem_base_path[port];
11660 shmem2_base = shmem2_base_path[port];
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011661 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011662 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011663 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011664 port, &phy) !=
11665 0) {
11666 DP(NETIF_MSG_LINK, "populate phy failed\n");
11667 return -EINVAL;
11668 }
11669
11670 /* Reset phy*/
11671 bnx2x_cl45_write(bp, &phy,
11672 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
11673
11674
11675 /* Set fault module detected LED on */
11676 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011677 MISC_REGISTERS_GPIO_HIGH,
11678 port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011679 }
11680
11681 return 0;
11682}
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000011683static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
11684 u8 *io_gpio, u8 *io_port)
11685{
11686
11687 u32 phy_gpio_reset = REG_RD(bp, shmem_base +
11688 offsetof(struct shmem_region,
11689 dev_info.port_hw_config[PORT_0].default_cfg));
11690 switch (phy_gpio_reset) {
11691 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
11692 *io_gpio = 0;
11693 *io_port = 0;
11694 break;
11695 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
11696 *io_gpio = 1;
11697 *io_port = 0;
11698 break;
11699 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
11700 *io_gpio = 2;
11701 *io_port = 0;
11702 break;
11703 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
11704 *io_gpio = 3;
11705 *io_port = 0;
11706 break;
11707 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
11708 *io_gpio = 0;
11709 *io_port = 1;
11710 break;
11711 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
11712 *io_gpio = 1;
11713 *io_port = 1;
11714 break;
11715 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
11716 *io_gpio = 2;
11717 *io_port = 1;
11718 break;
11719 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
11720 *io_gpio = 3;
11721 *io_port = 1;
11722 break;
11723 default:
11724 /* Don't override the io_gpio and io_port */
11725 break;
11726 }
11727}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011728
11729static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
11730 u32 shmem_base_path[],
11731 u32 shmem2_base_path[], u8 phy_index,
11732 u32 chip_id)
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011733{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000011734 s8 port, reset_gpio;
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011735 u32 swap_val, swap_override;
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011736 struct bnx2x_phy phy[PORT_MAX];
11737 struct bnx2x_phy *phy_blk[PORT_MAX];
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011738 s8 port_of_path;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011739 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
11740 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011741
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000011742 reset_gpio = MISC_REGISTERS_GPIO_1;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011743 port = 1;
11744
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000011745 /*
11746 * Retrieve the reset gpio/port which control the reset.
11747 * Default is GPIO1, PORT1
11748 */
11749 bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
11750 (u8 *)&reset_gpio, (u8 *)&port);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011751
11752 /* Calculate the port based on port swap */
11753 port ^= (swap_val && swap_override);
11754
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000011755 /* Initiate PHY reset*/
11756 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
11757 port);
11758 msleep(1);
11759 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
11760 port);
11761
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011762 msleep(5);
11763
11764 /* PART1 - Reset both phys */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011765 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011766 u32 shmem_base, shmem2_base;
11767
11768 /* In E2, same phy is using for port0 of the two paths */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011769 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011770 shmem_base = shmem_base_path[0];
11771 shmem2_base = shmem2_base_path[0];
11772 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011773 } else {
11774 shmem_base = shmem_base_path[port];
11775 shmem2_base = shmem2_base_path[port];
11776 port_of_path = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011777 }
11778
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011779 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011780 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011781 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011782 0) {
11783 DP(NETIF_MSG_LINK, "populate phy failed\n");
11784 return -EINVAL;
11785 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011786 /* disable attentions */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011787 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
11788 port_of_path*4,
11789 (NIG_MASK_XGXS0_LINK_STATUS |
11790 NIG_MASK_XGXS0_LINK10G |
11791 NIG_MASK_SERDES0_LINK_STATUS |
11792 NIG_MASK_MI_INT));
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011793
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011794
11795 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011796 bnx2x_cl45_write(bp, &phy[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011797 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011798 }
11799
11800 /* Add delay of 150ms after reset */
11801 msleep(150);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011802 if (phy[PORT_0].addr & 0x1) {
11803 phy_blk[PORT_0] = &(phy[PORT_1]);
11804 phy_blk[PORT_1] = &(phy[PORT_0]);
11805 } else {
11806 phy_blk[PORT_0] = &(phy[PORT_0]);
11807 phy_blk[PORT_1] = &(phy[PORT_1]);
11808 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011809 /* PART2 - Download firmware to both phys */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011810 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011811 if (CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011812 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011813 else
11814 port_of_path = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011815 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
11816 phy_blk[port]->addr);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +000011817 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
11818 port_of_path))
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011819 return -EINVAL;
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011820
Yaniv Rosner5c99274b2011-01-18 04:33:36 +000011821 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011822 return 0;
11823}
11824
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011825static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
11826 u32 shmem2_base_path[], u8 phy_index,
11827 u32 ext_phy_type, u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011828{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011829 int rc = 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011830
11831 switch (ext_phy_type) {
11832 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011833 rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
11834 shmem2_base_path,
11835 phy_index, chip_id);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011836 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +000011837 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011838 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
11839 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011840 rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
11841 shmem2_base_path,
11842 phy_index, chip_id);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011843 break;
11844
Eilon Greenstein589abe32009-02-12 08:36:55 +000011845 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000011846 /*
11847 * GPIO1 affects both ports, so there's need to pull
11848 * it for single port alone
11849 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011850 rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
11851 shmem2_base_path,
11852 phy_index, chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011853 break;
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000011854 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
11855 /*
11856 * GPIO3's are linked, and so both need to be toggled
11857 * to obtain required 2us pulse.
11858 */
11859 rc = bnx2x_84833_common_init_phy(bp, shmem_base_path, chip_id);
11860 break;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011861 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
11862 rc = -EINVAL;
Yaniv Rosner4f60dab2009-11-05 19:18:23 +020011863 break;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011864 default:
11865 DP(NETIF_MSG_LINK,
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000011866 "ext_phy 0x%x common init not required\n",
11867 ext_phy_type);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011868 break;
11869 }
11870
Yaniv Rosner6d870c32011-01-31 04:22:20 +000011871 if (rc != 0)
11872 netdev_err(bp->dev, "Warning: PHY was not initialized,"
11873 " Port %d\n",
11874 0);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011875 return rc;
11876}
11877
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011878int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
11879 u32 shmem2_base_path[], u32 chip_id)
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011880{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011881 int rc = 0;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011882 u32 phy_ver, val;
11883 u8 phy_index = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011884 u32 ext_phy_type, ext_phy_config;
Yaniv Rosnera198c142011-05-31 21:29:42 +000011885 bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
11886 bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011887 DP(NETIF_MSG_LINK, "Begin common phy init\n");
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011888 if (CHIP_IS_E3(bp)) {
11889 /* Enable EPIO */
11890 val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
11891 REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
11892 }
Yaniv Rosnerb21a3422011-01-18 04:33:24 +000011893 /* Check if common init was already done */
11894 phy_ver = REG_RD(bp, shmem_base_path[0] +
11895 offsetof(struct shmem_region,
11896 port_mb[PORT_0].ext_phy_fw_version));
11897 if (phy_ver) {
11898 DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
11899 phy_ver);
11900 return 0;
11901 }
11902
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011903 /* Read the ext_phy_type for arbitrary port(0) */
11904 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
11905 phy_index++) {
11906 ext_phy_config = bnx2x_get_ext_phy_config(bp,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011907 shmem_base_path[0],
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011908 phy_index, 0);
11909 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011910 rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
11911 shmem2_base_path,
11912 phy_index, ext_phy_type,
11913 chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011914 }
11915 return rc;
11916}
11917
Yaniv Rosner3deb8162011-06-14 01:34:33 +000011918static void bnx2x_check_over_curr(struct link_params *params,
11919 struct link_vars *vars)
11920{
11921 struct bnx2x *bp = params->bp;
11922 u32 cfg_pin;
11923 u8 port = params->port;
11924 u32 pin_val;
11925
11926 cfg_pin = (REG_RD(bp, params->shmem_base +
11927 offsetof(struct shmem_region,
11928 dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
11929 PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
11930 PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
11931
11932 /* Ignore check if no external input PIN available */
11933 if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
11934 return;
11935
11936 if (!pin_val) {
11937 if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
11938 netdev_err(bp->dev, "Error: Power fault on Port %d has"
11939 " been detected and the power to "
11940 "that SFP+ module has been removed"
11941 " to prevent failure of the card."
11942 " Please remove the SFP+ module and"
11943 " restart the system to clear this"
11944 " error.\n",
11945 params->port);
11946 vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
11947 }
11948 } else
11949 vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
11950}
11951
11952static void bnx2x_analyze_link_error(struct link_params *params,
11953 struct link_vars *vars, u32 lss_status)
11954{
11955 struct bnx2x *bp = params->bp;
11956 /* Compare new value with previous value */
11957 u8 led_mode;
11958 u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
11959
11960 /*DP(NETIF_MSG_LINK, "CHECK LINK: %x half_open:%x-> lss:%x\n",
11961 vars->link_up,
11962 half_open_conn, lss_status);*/
11963
11964 if ((lss_status ^ half_open_conn) == 0)
11965 return;
11966
11967 /* If values differ */
11968 DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
11969 half_open_conn, lss_status);
11970
11971 /*
11972 * a. Update shmem->link_status accordingly
11973 * b. Update link_vars->link_up
11974 */
11975 if (lss_status) {
11976 vars->link_status &= ~LINK_STATUS_LINK_UP;
11977 vars->link_up = 0;
11978 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
11979 /*
11980 * Set LED mode to off since the PHY doesn't know about these
11981 * errors
11982 */
11983 led_mode = LED_MODE_OFF;
11984 } else {
11985 vars->link_status |= LINK_STATUS_LINK_UP;
11986 vars->link_up = 1;
11987 vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
11988 led_mode = LED_MODE_OPER;
11989 }
11990 /* Update the LED according to the link state */
11991 bnx2x_set_led(params, vars, led_mode, SPEED_10000);
11992
11993 /* Update link status in the shared memory */
11994 bnx2x_update_mng(params, vars->link_status);
11995
11996 /* C. Trigger General Attention */
11997 vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
11998 bnx2x_notify_link_changed(bp);
11999}
12000
12001static void bnx2x_check_half_open_conn(struct link_params *params,
12002 struct link_vars *vars)
12003{
12004 struct bnx2x *bp = params->bp;
12005 u32 lss_status = 0;
12006 u32 mac_base;
12007 /* In case link status is physically up @ 10G do */
12008 if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
12009 return;
12010
12011 if (!CHIP_IS_E3(bp) &&
12012 (REG_RD(bp, MISC_REG_RESET_REG_2) &
12013 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))) {
12014 /* Check E1X / E2 BMAC */
12015 u32 lss_status_reg;
12016 u32 wb_data[2];
12017 mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
12018 NIG_REG_INGRESS_BMAC0_MEM;
12019 /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
12020 if (CHIP_IS_E2(bp))
12021 lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
12022 else
12023 lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
12024
12025 REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
12026 lss_status = (wb_data[0] > 0);
12027
12028 bnx2x_analyze_link_error(params, vars, lss_status);
12029 }
12030}
12031
12032void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
12033{
12034 struct bnx2x *bp = params->bp;
12035 if (!params) {
12036 DP(NETIF_MSG_LINK, "Ininitliazed params !\n");
12037 return;
12038 }
12039 /* DP(NETIF_MSG_LINK, "Periodic called vars->phy_flags 0x%x speed 0x%x
12040 RESET_REG_2 0x%x\n", vars->phy_flags, vars->line_speed,
12041 REG_RD(bp, MISC_REG_RESET_REG_2)); */
12042 bnx2x_check_half_open_conn(params, vars);
12043 if (CHIP_IS_E3(bp))
12044 bnx2x_check_over_curr(params, vars);
12045}
12046
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012047u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000012048{
12049 u8 phy_index;
12050 struct bnx2x_phy phy;
12051 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12052 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012053 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000012054 0, &phy) != 0) {
12055 DP(NETIF_MSG_LINK, "populate phy failed\n");
12056 return 0;
12057 }
12058
12059 if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
12060 return 1;
12061 }
12062 return 0;
12063}
12064
12065u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
12066 u32 shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012067 u32 shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000012068 u8 port)
12069{
12070 u8 phy_index, fan_failure_det_req = 0;
12071 struct bnx2x_phy phy;
12072 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
12073 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012074 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000012075 port, &phy)
12076 != 0) {
12077 DP(NETIF_MSG_LINK, "populate phy failed\n");
12078 return 0;
12079 }
12080 fan_failure_det_req |= (phy.flags &
12081 FLAGS_FAN_FAILURE_DET_REQ);
12082 }
12083 return fan_failure_det_req;
12084}
12085
12086void bnx2x_hw_reset_phy(struct link_params *params)
12087{
12088 u8 phy_index;
12089 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
12090 phy_index++) {
12091 if (params->phy[phy_index].hw_reset) {
12092 params->phy[phy_index].hw_reset(
12093 &params->phy[phy_index],
12094 params);
12095 params->phy[phy_index] = phy_null;
12096 }
12097 }
12098}
Yaniv Rosner020c7e32011-05-31 21:28:43 +000012099
12100void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
12101 u32 chip_id, u32 shmem_base, u32 shmem2_base,
12102 u8 port)
12103{
12104 u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
12105 u32 val;
12106 u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012107 if (CHIP_IS_E3(bp)) {
12108 if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
12109 shmem_base,
12110 port,
12111 &gpio_num,
12112 &gpio_port) != 0)
12113 return;
12114 } else {
Yaniv Rosner020c7e32011-05-31 21:28:43 +000012115 struct bnx2x_phy phy;
12116 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
12117 phy_index++) {
12118 if (bnx2x_populate_phy(bp, phy_index, shmem_base,
12119 shmem2_base, port, &phy)
12120 != 0) {
12121 DP(NETIF_MSG_LINK, "populate phy failed\n");
12122 return;
12123 }
12124 if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
12125 gpio_num = MISC_REGISTERS_GPIO_3;
12126 gpio_port = port;
12127 break;
12128 }
12129 }
12130 }
12131
12132 if (gpio_num == 0xff)
12133 return;
12134
12135 /* Set GPIO3 to trigger SFP+ module insertion/removal */
12136 bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
12137
12138 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12139 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
12140 gpio_port ^= (swap_val && swap_override);
12141
12142 vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
12143 (gpio_num + (gpio_port << 2));
12144
12145 sync_offset = shmem_base +
12146 offsetof(struct shmem_region,
12147 dev_info.port_hw_config[port].aeu_int_mask);
12148 REG_WR(bp, sync_offset, vars->aeu_int_mask);
12149
12150 DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
12151 gpio_num, gpio_port, vars->aeu_int_mask);
12152
12153 if (port == 0)
12154 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
12155 else
12156 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
12157
12158 /* Open appropriate AEU for interrupts */
12159 aeu_mask = REG_RD(bp, offset);
12160 aeu_mask |= vars->aeu_int_mask;
12161 REG_WR(bp, offset, aeu_mask);
12162
12163 /* Enable the GPIO to trigger interrupt */
12164 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
12165 val |= 1 << (gpio_num + (gpio_port << 2));
12166 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
12167}