blob: aa9958e37445a3934f56f1f272ac491e98c60ba2 [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 }
Yaniv Rosner9d5b36b2011-08-02 22:59:10 +00001549 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1550 val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
1551
1552 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1553 val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
1554
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001555 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1556 udelay(50);
1557
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001558 /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
1559 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
1560 ((params->mac_addr[2] << 24) |
1561 (params->mac_addr[3] << 16) |
1562 (params->mac_addr[4] << 8) |
1563 (params->mac_addr[5])));
1564 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
1565 ((params->mac_addr[0] << 8) |
1566 (params->mac_addr[1])));
1567
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001568 /* Enable RX and TX */
1569 val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
1570 val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00001571 UMAC_COMMAND_CONFIG_REG_RX_ENA;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001572 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1573 udelay(50);
1574
1575 /* Remove SW Reset */
1576 val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
1577
1578 /* Check loopback mode */
1579 if (lb)
1580 val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
1581 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1582
1583 /*
1584 * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
1585 * length used by the MAC receive logic to check frames.
1586 */
1587 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
1588 bnx2x_set_xumac_nig(params,
1589 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1590 vars->mac_type = MAC_TYPE_UMAC;
1591
1592}
1593
1594static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
1595{
1596 u32 port4mode_ovwr_val;
1597 /* Check 4-port override enabled */
1598 port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
1599 if (port4mode_ovwr_val & (1<<0)) {
1600 /* Return 4-port mode override value */
1601 return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
1602 }
1603 /* Return 4-port mode from input pin */
1604 return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
1605}
1606
1607/* Define the XMAC mode */
1608static void bnx2x_xmac_init(struct bnx2x *bp, u32 max_speed)
1609{
1610 u32 is_port4mode = bnx2x_is_4_port_mode(bp);
1611
1612 /**
1613 * In 4-port mode, need to set the mode only once, so if XMAC is
1614 * already out of reset, it means the mode has already been set,
1615 * and it must not* reset the XMAC again, since it controls both
1616 * ports of the path
1617 **/
1618
1619 if (is_port4mode && (REG_RD(bp, MISC_REG_RESET_REG_2) &
1620 MISC_REGISTERS_RESET_REG_2_XMAC)) {
1621 DP(NETIF_MSG_LINK, "XMAC already out of reset"
1622 " in 4-port mode\n");
1623 return;
1624 }
1625
1626 /* Hard reset */
1627 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1628 MISC_REGISTERS_RESET_REG_2_XMAC);
1629 usleep_range(1000, 1000);
1630
1631 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1632 MISC_REGISTERS_RESET_REG_2_XMAC);
1633 if (is_port4mode) {
1634 DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
1635
1636 /* Set the number of ports on the system side to up to 2 */
1637 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
1638
1639 /* Set the number of ports on the Warp Core to 10G */
1640 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1641 } else {
1642 /* Set the number of ports on the system side to 1 */
1643 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
1644 if (max_speed == SPEED_10000) {
1645 DP(NETIF_MSG_LINK, "Init XMAC to 10G x 1"
1646 " port per path\n");
1647 /* Set the number of ports on the Warp Core to 10G */
1648 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1649 } else {
1650 DP(NETIF_MSG_LINK, "Init XMAC to 20G x 2 ports"
1651 " per path\n");
1652 /* Set the number of ports on the Warp Core to 20G */
1653 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
1654 }
1655 }
1656 /* Soft reset */
1657 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1658 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1659 usleep_range(1000, 1000);
1660
1661 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1662 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1663
1664}
1665
1666static void bnx2x_xmac_disable(struct link_params *params)
1667{
1668 u8 port = params->port;
1669 struct bnx2x *bp = params->bp;
1670 u32 xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1671
1672 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1673 MISC_REGISTERS_RESET_REG_2_XMAC) {
1674 DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
1675 REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
1676 usleep_range(1000, 1000);
1677 bnx2x_set_xumac_nig(params, 0, 0);
1678 REG_WR(bp, xmac_base + XMAC_REG_CTRL,
1679 XMAC_CTRL_REG_SOFT_RESET);
1680 }
1681}
1682
1683static int bnx2x_xmac_enable(struct link_params *params,
1684 struct link_vars *vars, u8 lb)
1685{
1686 u32 val, xmac_base;
1687 struct bnx2x *bp = params->bp;
1688 DP(NETIF_MSG_LINK, "enabling XMAC\n");
1689
1690 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1691
1692 bnx2x_xmac_init(bp, vars->line_speed);
1693
1694 /*
1695 * This register determines on which events the MAC will assert
1696 * error on the i/f to the NIG along w/ EOP.
1697 */
1698
1699 /*
1700 * This register tells the NIG whether to send traffic to UMAC
1701 * or XMAC
1702 */
1703 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
1704
1705 /* Set Max packet size */
1706 REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
1707
1708 /* CRC append for Tx packets */
1709 REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
1710
1711 /* update PFC */
1712 bnx2x_update_pfc_xmac(params, vars, 0);
1713
1714 /* Enable TX and RX */
1715 val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
1716
1717 /* Check loopback mode */
1718 if (lb)
1719 val |= XMAC_CTRL_REG_CORE_LOCAL_LPBK;
1720 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1721 bnx2x_set_xumac_nig(params,
1722 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1723
1724 vars->mac_type = MAC_TYPE_XMAC;
1725
1726 return 0;
1727}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001728static int bnx2x_emac_enable(struct link_params *params,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00001729 struct link_vars *vars, u8 lb)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001730{
1731 struct bnx2x *bp = params->bp;
1732 u8 port = params->port;
1733 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1734 u32 val;
1735
1736 DP(NETIF_MSG_LINK, "enabling EMAC\n");
1737
1738 /* enable emac and not bmac */
1739 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
1740
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001741 /* ASIC */
1742 if (vars->phy_flags & PHY_XGXS_FLAG) {
1743 u32 ser_lane = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001744 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1745 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001746
1747 DP(NETIF_MSG_LINK, "XGXS\n");
1748 /* select the master lanes (out of 0-3) */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001749 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001750 /* select XGXS */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001751 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001752
1753 } else { /* SerDes */
1754 DP(NETIF_MSG_LINK, "SerDes\n");
1755 /* select SerDes */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001756 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001757 }
1758
Eilon Greenstein811a2f22009-02-12 08:37:04 +00001759 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001760 EMAC_RX_MODE_RESET);
Eilon Greenstein811a2f22009-02-12 08:37:04 +00001761 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001762 EMAC_TX_MODE_RESET);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001763
1764 if (CHIP_REV_IS_SLOW(bp)) {
1765 /* config GMII mode */
1766 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001767 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001768 } else { /* ASIC */
1769 /* pause enable/disable */
1770 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1771 EMAC_RX_MODE_FLOW_EN);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001772
1773 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001774 (EMAC_TX_MODE_EXT_PAUSE_EN |
1775 EMAC_TX_MODE_FLOW_EN));
1776 if (!(params->feature_config_flags &
1777 FEATURE_CONFIG_PFC_ENABLED)) {
1778 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1779 bnx2x_bits_en(bp, emac_base +
1780 EMAC_REG_EMAC_RX_MODE,
1781 EMAC_RX_MODE_FLOW_EN);
1782
1783 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1784 bnx2x_bits_en(bp, emac_base +
1785 EMAC_REG_EMAC_TX_MODE,
1786 (EMAC_TX_MODE_EXT_PAUSE_EN |
1787 EMAC_TX_MODE_FLOW_EN));
1788 } else
1789 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1790 EMAC_TX_MODE_FLOW_EN);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001791 }
1792
1793 /* KEEP_VLAN_TAG, promiscuous */
1794 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
1795 val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001796
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001797 /*
1798 * Setting this bit causes MAC control frames (except for pause
1799 * frames) to be passed on for processing. This setting has no
1800 * affect on the operation of the pause frames. This bit effects
1801 * all packets regardless of RX Parser packet sorting logic.
1802 * Turn the PFC off to make sure we are in Xon state before
1803 * enabling it.
1804 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001805 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
1806 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1807 DP(NETIF_MSG_LINK, "PFC is enabled\n");
1808 /* Enable PFC again */
1809 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
1810 EMAC_REG_RX_PFC_MODE_RX_EN |
1811 EMAC_REG_RX_PFC_MODE_TX_EN |
1812 EMAC_REG_RX_PFC_MODE_PRIORITIES);
1813
1814 EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
1815 ((0x0101 <<
1816 EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
1817 (0x00ff <<
1818 EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
1819 val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
1820 }
Eilon Greenstein3196a882008-08-13 15:58:49 -07001821 EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001822
1823 /* Set Loopback */
1824 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1825 if (lb)
1826 val |= 0x810;
1827 else
1828 val &= ~0x810;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001829 EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001830
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001831 /* enable emac */
1832 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
1833
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001834 /* enable emac for jumbo packets */
Eilon Greenstein3196a882008-08-13 15:58:49 -07001835 EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001836 (EMAC_RX_MTU_SIZE_JUMBO_ENA |
1837 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
1838
1839 /* strip CRC */
1840 REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
1841
1842 /* disable the NIG in/out to the bmac */
1843 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
1844 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
1845 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
1846
1847 /* enable the NIG in/out to the emac */
1848 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
1849 val = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001850 if ((params->feature_config_flags &
1851 FEATURE_CONFIG_PFC_ENABLED) ||
1852 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001853 val = 1;
1854
1855 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
1856 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
1857
Yaniv Rosner02a23162011-01-31 04:22:53 +00001858 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001859
1860 vars->mac_type = MAC_TYPE_EMAC;
1861 return 0;
1862}
1863
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001864static void bnx2x_update_pfc_bmac1(struct link_params *params,
1865 struct link_vars *vars)
1866{
1867 u32 wb_data[2];
1868 struct bnx2x *bp = params->bp;
1869 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1870 NIG_REG_INGRESS_BMAC0_MEM;
1871
1872 u32 val = 0x14;
1873 if ((!(params->feature_config_flags &
1874 FEATURE_CONFIG_PFC_ENABLED)) &&
1875 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1876 /* Enable BigMAC to react on received Pause packets */
1877 val |= (1<<5);
1878 wb_data[0] = val;
1879 wb_data[1] = 0;
1880 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
1881
1882 /* tx control */
1883 val = 0xc0;
1884 if (!(params->feature_config_flags &
1885 FEATURE_CONFIG_PFC_ENABLED) &&
1886 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1887 val |= 0x800000;
1888 wb_data[0] = val;
1889 wb_data[1] = 0;
1890 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
1891}
1892
1893static void bnx2x_update_pfc_bmac2(struct link_params *params,
1894 struct link_vars *vars,
1895 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001896{
1897 /*
1898 * Set rx control: Strip CRC and enable BigMAC to relay
1899 * control packets to the system as well
1900 */
1901 u32 wb_data[2];
1902 struct bnx2x *bp = params->bp;
1903 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1904 NIG_REG_INGRESS_BMAC0_MEM;
1905 u32 val = 0x14;
1906
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001907 if ((!(params->feature_config_flags &
1908 FEATURE_CONFIG_PFC_ENABLED)) &&
1909 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001910 /* Enable BigMAC to react on received Pause packets */
1911 val |= (1<<5);
1912 wb_data[0] = val;
1913 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001914 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001915 udelay(30);
1916
1917 /* Tx control */
1918 val = 0xc0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001919 if (!(params->feature_config_flags &
1920 FEATURE_CONFIG_PFC_ENABLED) &&
1921 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001922 val |= 0x800000;
1923 wb_data[0] = val;
1924 wb_data[1] = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001925 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001926
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001927 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1928 DP(NETIF_MSG_LINK, "PFC is enabled\n");
1929 /* Enable PFC RX & TX & STATS and set 8 COS */
1930 wb_data[0] = 0x0;
1931 wb_data[0] |= (1<<0); /* RX */
1932 wb_data[0] |= (1<<1); /* TX */
1933 wb_data[0] |= (1<<2); /* Force initial Xon */
1934 wb_data[0] |= (1<<3); /* 8 cos */
1935 wb_data[0] |= (1<<5); /* STATS */
1936 wb_data[1] = 0;
1937 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
1938 wb_data, 2);
1939 /* Clear the force Xon */
1940 wb_data[0] &= ~(1<<2);
1941 } else {
1942 DP(NETIF_MSG_LINK, "PFC is disabled\n");
1943 /* disable PFC RX & TX & STATS and set 8 COS */
1944 wb_data[0] = 0x8;
1945 wb_data[1] = 0;
1946 }
1947
1948 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
1949
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001950 /*
1951 * Set Time (based unit is 512 bit time) between automatic
1952 * re-sending of PP packets amd enable automatic re-send of
1953 * Per-Priroity Packet as long as pp_gen is asserted and
1954 * pp_disable is low.
1955 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001956 val = 0x8000;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001957 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
1958 val |= (1<<16); /* enable automatic re-send */
1959
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001960 wb_data[0] = val;
1961 wb_data[1] = 0;
1962 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001963 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001964
1965 /* mac control */
1966 val = 0x3; /* Enable RX and TX */
1967 if (is_lb) {
1968 val |= 0x4; /* Local loopback */
1969 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
1970 }
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001971 /* When PFC enabled, Pass pause frames towards the NIG. */
1972 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
1973 val |= ((1<<6)|(1<<5));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001974
1975 wb_data[0] = val;
1976 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001977 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001978}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001979
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001980
1981/* PFC BRB internal port configuration params */
1982struct bnx2x_pfc_brb_threshold_val {
1983 u32 pause_xoff;
1984 u32 pause_xon;
1985 u32 full_xoff;
1986 u32 full_xon;
1987};
1988
1989struct bnx2x_pfc_brb_e3b0_val {
1990 u32 full_lb_xoff_th;
1991 u32 full_lb_xon_threshold;
1992 u32 lb_guarantied;
1993 u32 mac_0_class_t_guarantied;
1994 u32 mac_0_class_t_guarantied_hyst;
1995 u32 mac_1_class_t_guarantied;
1996 u32 mac_1_class_t_guarantied_hyst;
1997};
1998
1999struct bnx2x_pfc_brb_th_val {
2000 struct bnx2x_pfc_brb_threshold_val pauseable_th;
2001 struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
2002};
2003static int bnx2x_pfc_brb_get_config_params(
2004 struct link_params *params,
2005 struct bnx2x_pfc_brb_th_val *config_val)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002006{
2007 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002008 DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
2009 if (CHIP_IS_E2(bp)) {
2010 config_val->pauseable_th.pause_xoff =
2011 PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2012 config_val->pauseable_th.pause_xon =
2013 PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
2014 config_val->pauseable_th.full_xoff =
2015 PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
2016 config_val->pauseable_th.full_xon =
2017 PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
2018 /* non pause able*/
2019 config_val->non_pauseable_th.pause_xoff =
2020 PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2021 config_val->non_pauseable_th.pause_xon =
2022 PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2023 config_val->non_pauseable_th.full_xoff =
2024 PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2025 config_val->non_pauseable_th.full_xon =
2026 PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2027 } else if (CHIP_IS_E3A0(bp)) {
2028 config_val->pauseable_th.pause_xoff =
2029 PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2030 config_val->pauseable_th.pause_xon =
2031 PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
2032 config_val->pauseable_th.full_xoff =
2033 PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
2034 config_val->pauseable_th.full_xon =
2035 PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
2036 /* non pause able*/
2037 config_val->non_pauseable_th.pause_xoff =
2038 PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2039 config_val->non_pauseable_th.pause_xon =
2040 PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2041 config_val->non_pauseable_th.full_xoff =
2042 PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2043 config_val->non_pauseable_th.full_xon =
2044 PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2045 } else if (CHIP_IS_E3B0(bp)) {
2046 if (params->phy[INT_PHY].flags &
2047 FLAGS_4_PORT_MODE) {
2048 config_val->pauseable_th.pause_xoff =
2049 PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2050 config_val->pauseable_th.pause_xon =
2051 PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
2052 config_val->pauseable_th.full_xoff =
2053 PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
2054 config_val->pauseable_th.full_xon =
2055 PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
2056 /* non pause able*/
2057 config_val->non_pauseable_th.pause_xoff =
2058 PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2059 config_val->non_pauseable_th.pause_xon =
2060 PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2061 config_val->non_pauseable_th.full_xoff =
2062 PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2063 config_val->non_pauseable_th.full_xon =
2064 PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2065 } else {
2066 config_val->pauseable_th.pause_xoff =
2067 PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2068 config_val->pauseable_th.pause_xon =
2069 PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
2070 config_val->pauseable_th.full_xoff =
2071 PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
2072 config_val->pauseable_th.full_xon =
2073 PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
2074 /* non pause able*/
2075 config_val->non_pauseable_th.pause_xoff =
2076 PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2077 config_val->non_pauseable_th.pause_xon =
2078 PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2079 config_val->non_pauseable_th.full_xoff =
2080 PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2081 config_val->non_pauseable_th.full_xon =
2082 PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2083 }
2084 } else
2085 return -EINVAL;
2086
2087 return 0;
2088}
2089
2090
2091static void bnx2x_pfc_brb_get_e3b0_config_params(struct link_params *params,
2092 struct bnx2x_pfc_brb_e3b0_val
2093 *e3b0_val,
2094 u32 cos0_pauseable,
2095 u32 cos1_pauseable)
2096{
2097 if (params->phy[INT_PHY].flags & FLAGS_4_PORT_MODE) {
2098 e3b0_val->full_lb_xoff_th =
2099 PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
2100 e3b0_val->full_lb_xon_threshold =
2101 PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
2102 e3b0_val->lb_guarantied =
2103 PFC_E3B0_4P_LB_GUART;
2104 e3b0_val->mac_0_class_t_guarantied =
2105 PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
2106 e3b0_val->mac_0_class_t_guarantied_hyst =
2107 PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
2108 e3b0_val->mac_1_class_t_guarantied =
2109 PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
2110 e3b0_val->mac_1_class_t_guarantied_hyst =
2111 PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
2112 } else {
2113 e3b0_val->full_lb_xoff_th =
2114 PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
2115 e3b0_val->full_lb_xon_threshold =
2116 PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
2117 e3b0_val->mac_0_class_t_guarantied_hyst =
2118 PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
2119 e3b0_val->mac_1_class_t_guarantied =
2120 PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
2121 e3b0_val->mac_1_class_t_guarantied_hyst =
2122 PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
2123
2124 if (cos0_pauseable != cos1_pauseable) {
2125 /* nonpauseable= Lossy + pauseable = Lossless*/
2126 e3b0_val->lb_guarantied =
2127 PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
2128 e3b0_val->mac_0_class_t_guarantied =
2129 PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
2130 } else if (cos0_pauseable) {
2131 /* Lossless +Lossless*/
2132 e3b0_val->lb_guarantied =
2133 PFC_E3B0_2P_PAUSE_LB_GUART;
2134 e3b0_val->mac_0_class_t_guarantied =
2135 PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
2136 } else {
2137 /* Lossy +Lossy*/
2138 e3b0_val->lb_guarantied =
2139 PFC_E3B0_2P_NON_PAUSE_LB_GUART;
2140 e3b0_val->mac_0_class_t_guarantied =
2141 PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
2142 }
2143 }
2144}
2145static int bnx2x_update_pfc_brb(struct link_params *params,
2146 struct link_vars *vars,
2147 struct bnx2x_nig_brb_pfc_port_params
2148 *pfc_params)
2149{
2150 struct bnx2x *bp = params->bp;
2151 struct bnx2x_pfc_brb_th_val config_val = { {0} };
2152 struct bnx2x_pfc_brb_threshold_val *reg_th_config =
2153 &config_val.pauseable_th;
2154 struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002155 int set_pfc = params->feature_config_flags &
2156 FEATURE_CONFIG_PFC_ENABLED;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002157 int bnx2x_status = 0;
2158 u8 port = params->port;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002159
2160 /* default - pause configuration */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002161 reg_th_config = &config_val.pauseable_th;
2162 bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
2163 if (0 != bnx2x_status)
2164 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002165
2166 if (set_pfc && pfc_params)
2167 /* First COS */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002168 if (!pfc_params->cos0_pauseable)
2169 reg_th_config = &config_val.non_pauseable_th;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002170 /*
2171 * The number of free blocks below which the pause signal to class 0
2172 * of MAC #n is asserted. n=0,1
2173 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002174 REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
2175 BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
2176 reg_th_config->pause_xoff);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002177 /*
2178 * The number of free blocks above which the pause signal to class 0
2179 * of MAC #n is de-asserted. n=0,1
2180 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002181 REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
2182 BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002183 /*
2184 * The number of free blocks below which the full signal to class 0
2185 * of MAC #n is asserted. n=0,1
2186 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002187 REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
2188 BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002189 /*
2190 * The number of free blocks above which the full signal to class 0
2191 * of MAC #n is de-asserted. n=0,1
2192 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002193 REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
2194 BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002195
2196 if (set_pfc && pfc_params) {
2197 /* Second COS */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002198 if (pfc_params->cos1_pauseable)
2199 reg_th_config = &config_val.pauseable_th;
2200 else
2201 reg_th_config = &config_val.non_pauseable_th;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002202 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002203 * The number of free blocks below which the pause signal to
2204 * class 1 of MAC #n is asserted. n=0,1
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002205 **/
2206 REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
2207 BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
2208 reg_th_config->pause_xoff);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002209 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002210 * The number of free blocks above which the pause signal to
2211 * class 1 of MAC #n is de-asserted. n=0,1
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002212 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002213 REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
2214 BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
2215 reg_th_config->pause_xon);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002216 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002217 * The number of free blocks below which the full signal to
2218 * class 1 of MAC #n is asserted. n=0,1
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002219 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002220 REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
2221 BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
2222 reg_th_config->full_xoff);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002223 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002224 * The number of free blocks above which the full signal to
2225 * class 1 of MAC #n is de-asserted. n=0,1
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002226 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002227 REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
2228 BRB1_REG_FULL_1_XON_THRESHOLD_0,
2229 reg_th_config->full_xon);
2230
2231
2232 if (CHIP_IS_E3B0(bp)) {
2233 /*Should be done by init tool */
2234 /*
2235 * BRB_empty_for_dup = BRB1_REG_BRB_EMPTY_THRESHOLD
2236 * reset value
2237 * 944
2238 */
2239
2240 /**
2241 * The hysteresis on the guarantied buffer space for the Lb port
2242 * before signaling XON.
2243 **/
2244 REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST, 80);
2245
2246 bnx2x_pfc_brb_get_e3b0_config_params(
2247 params,
2248 &e3b0_val,
2249 pfc_params->cos0_pauseable,
2250 pfc_params->cos1_pauseable);
2251 /**
2252 * The number of free blocks below which the full signal to the
2253 * LB port is asserted.
2254 */
2255 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
2256 e3b0_val.full_lb_xoff_th);
2257 /**
2258 * The number of free blocks above which the full signal to the
2259 * LB port is de-asserted.
2260 */
2261 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
2262 e3b0_val.full_lb_xon_threshold);
2263 /**
2264 * The number of blocks guarantied for the MAC #n port. n=0,1
2265 */
2266
2267 /*The number of blocks guarantied for the LB port.*/
2268 REG_WR(bp, BRB1_REG_LB_GUARANTIED,
2269 e3b0_val.lb_guarantied);
2270
2271 /**
2272 * The number of blocks guarantied for the MAC #n port.
2273 */
2274 REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
2275 2 * e3b0_val.mac_0_class_t_guarantied);
2276 REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
2277 2 * e3b0_val.mac_1_class_t_guarantied);
2278 /**
2279 * The number of blocks guarantied for class #t in MAC0. t=0,1
2280 */
2281 REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
2282 e3b0_val.mac_0_class_t_guarantied);
2283 REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
2284 e3b0_val.mac_0_class_t_guarantied);
2285 /**
2286 * The hysteresis on the guarantied buffer space for class in
2287 * MAC0. t=0,1
2288 */
2289 REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
2290 e3b0_val.mac_0_class_t_guarantied_hyst);
2291 REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
2292 e3b0_val.mac_0_class_t_guarantied_hyst);
2293
2294 /**
2295 * The number of blocks guarantied for class #t in MAC1.t=0,1
2296 */
2297 REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
2298 e3b0_val.mac_1_class_t_guarantied);
2299 REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
2300 e3b0_val.mac_1_class_t_guarantied);
2301 /**
2302 * The hysteresis on the guarantied buffer space for class #t
2303 * in MAC1. t=0,1
2304 */
2305 REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
2306 e3b0_val.mac_1_class_t_guarantied_hyst);
2307 REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
2308 e3b0_val.mac_1_class_t_guarantied_hyst);
2309
2310 }
2311
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002312 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002313
2314 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002315}
2316
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002317/******************************************************************************
2318* Description:
2319* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2320* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2321******************************************************************************/
2322int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
2323 u8 cos_entry,
2324 u32 priority_mask, u8 port)
2325{
2326 u32 nig_reg_rx_priority_mask_add = 0;
2327
2328 switch (cos_entry) {
2329 case 0:
2330 nig_reg_rx_priority_mask_add = (port) ?
2331 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2332 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2333 break;
2334 case 1:
2335 nig_reg_rx_priority_mask_add = (port) ?
2336 NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2337 NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2338 break;
2339 case 2:
2340 nig_reg_rx_priority_mask_add = (port) ?
2341 NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2342 NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2343 break;
2344 case 3:
2345 if (port)
2346 return -EINVAL;
2347 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2348 break;
2349 case 4:
2350 if (port)
2351 return -EINVAL;
2352 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2353 break;
2354 case 5:
2355 if (port)
2356 return -EINVAL;
2357 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2358 break;
2359 }
2360
2361 REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
2362
2363 return 0;
2364}
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00002365static void bnx2x_update_mng(struct link_params *params, u32 link_status)
2366{
2367 struct bnx2x *bp = params->bp;
2368
2369 REG_WR(bp, params->shmem_base +
2370 offsetof(struct shmem_region,
2371 port_mb[params->port].link_status), link_status);
2372}
2373
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002374static void bnx2x_update_pfc_nig(struct link_params *params,
2375 struct link_vars *vars,
2376 struct bnx2x_nig_brb_pfc_port_params *nig_params)
2377{
2378 u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
2379 u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
2380 u32 pkt_priority_to_cos = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002381 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002382 u8 port = params->port;
2383
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002384 int set_pfc = params->feature_config_flags &
2385 FEATURE_CONFIG_PFC_ENABLED;
2386 DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
2387
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002388 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002389 * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
2390 * MAC control frames (that are not pause packets)
2391 * will be forwarded to the XCM.
2392 */
2393 xcm_mask = REG_RD(bp,
2394 port ? NIG_REG_LLH1_XCM_MASK :
2395 NIG_REG_LLH0_XCM_MASK);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002396 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002397 * nig params will override non PFC params, since it's possible to
2398 * do transition from PFC to SAFC
2399 */
2400 if (set_pfc) {
2401 pause_enable = 0;
2402 llfc_out_en = 0;
2403 llfc_enable = 0;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002404 if (CHIP_IS_E3(bp))
2405 ppp_enable = 0;
2406 else
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002407 ppp_enable = 1;
2408 xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2409 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2410 xcm0_out_en = 0;
2411 p0_hwpfc_enable = 1;
2412 } else {
2413 if (nig_params) {
2414 llfc_out_en = nig_params->llfc_out_en;
2415 llfc_enable = nig_params->llfc_enable;
2416 pause_enable = nig_params->pause_enable;
2417 } else /*defaul non PFC mode - PAUSE */
2418 pause_enable = 1;
2419
2420 xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2421 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2422 xcm0_out_en = 1;
2423 }
2424
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002425 if (CHIP_IS_E3(bp))
2426 REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2427 NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002428 REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
2429 NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2430 REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
2431 NIG_REG_LLFC_ENABLE_0, llfc_enable);
2432 REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
2433 NIG_REG_PAUSE_ENABLE_0, pause_enable);
2434
2435 REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
2436 NIG_REG_PPP_ENABLE_0, ppp_enable);
2437
2438 REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
2439 NIG_REG_LLH0_XCM_MASK, xcm_mask);
2440
2441 REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
2442
2443 /* output enable for RX_XCM # IF */
2444 REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
2445
2446 /* HW PFC TX enable */
2447 REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
2448
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002449 if (nig_params) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002450 u8 i = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002451 pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
2452
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002453 for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
2454 bnx2x_pfc_nig_rx_priority_mask(bp, i,
2455 nig_params->rx_cos_priority_mask[i], port);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002456
2457 REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
2458 NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
2459 nig_params->llfc_high_priority_classes);
2460
2461 REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
2462 NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
2463 nig_params->llfc_low_priority_classes);
2464 }
2465 REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
2466 NIG_REG_P0_PKT_PRIORITY_TO_COS,
2467 pkt_priority_to_cos);
2468}
2469
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002470int bnx2x_update_pfc(struct link_params *params,
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002471 struct link_vars *vars,
2472 struct bnx2x_nig_brb_pfc_port_params *pfc_params)
2473{
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002474 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002475 * The PFC and pause are orthogonal to one another, meaning when
2476 * PFC is enabled, the pause are disabled, and when PFC is
2477 * disabled, pause are set according to the pause result.
2478 */
2479 u32 val;
2480 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002481 int bnx2x_status = 0;
2482 u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00002483
2484 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2485 vars->link_status |= LINK_STATUS_PFC_ENABLED;
2486 else
2487 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
2488
2489 bnx2x_update_mng(params, vars->link_status);
2490
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002491 /* update NIG params */
2492 bnx2x_update_pfc_nig(params, vars, pfc_params);
2493
2494 /* update BRB params */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002495 bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
2496 if (0 != bnx2x_status)
2497 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002498
2499 if (!vars->link_up)
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002500 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002501
2502 DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002503 if (CHIP_IS_E3(bp))
2504 bnx2x_update_pfc_xmac(params, vars, 0);
2505 else {
2506 val = REG_RD(bp, MISC_REG_RESET_REG_2);
2507 if ((val &
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00002508 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002509 == 0) {
2510 DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
2511 bnx2x_emac_enable(params, vars, 0);
2512 return bnx2x_status;
2513 }
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002514
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002515 if (CHIP_IS_E2(bp))
2516 bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
2517 else
2518 bnx2x_update_pfc_bmac1(params, vars);
2519
2520 val = 0;
2521 if ((params->feature_config_flags &
2522 FEATURE_CONFIG_PFC_ENABLED) ||
2523 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2524 val = 1;
2525 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2526 }
2527 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002528}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002529
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002530
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002531static int bnx2x_bmac1_enable(struct link_params *params,
2532 struct link_vars *vars,
2533 u8 is_lb)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002534{
2535 struct bnx2x *bp = params->bp;
2536 u8 port = params->port;
2537 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2538 NIG_REG_INGRESS_BMAC0_MEM;
2539 u32 wb_data[2];
2540 u32 val;
2541
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002542 DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002543
2544 /* XGXS control */
2545 wb_data[0] = 0x3c;
2546 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002547 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2548 wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002549
2550 /* tx MAC SA */
2551 wb_data[0] = ((params->mac_addr[2] << 24) |
2552 (params->mac_addr[3] << 16) |
2553 (params->mac_addr[4] << 8) |
2554 params->mac_addr[5]);
2555 wb_data[1] = ((params->mac_addr[0] << 8) |
2556 params->mac_addr[1]);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002557 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002558
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002559 /* mac control */
2560 val = 0x3;
2561 if (is_lb) {
2562 val |= 0x4;
2563 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2564 }
2565 wb_data[0] = val;
2566 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002567 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002568
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002569 /* set rx mtu */
2570 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2571 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002572 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002573
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002574 bnx2x_update_pfc_bmac1(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002575
2576 /* set tx mtu */
2577 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2578 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002579 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002580
2581 /* set cnt max size */
2582 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2583 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002584 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002585
2586 /* configure safc */
2587 wb_data[0] = 0x1000200;
2588 wb_data[1] = 0;
2589 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2590 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002591
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002592 if (vars->phy_flags & PHY_TX_ERROR_CHECK_FLAG) {
2593 REG_RD_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LSS_STATUS,
2594 wb_data, 2);
2595 if (wb_data[0] > 0)
2596 return -ESRCH;
2597 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002598 return 0;
2599}
2600
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002601static int bnx2x_bmac2_enable(struct link_params *params,
2602 struct link_vars *vars,
2603 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002604{
2605 struct bnx2x *bp = params->bp;
2606 u8 port = params->port;
2607 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2608 NIG_REG_INGRESS_BMAC0_MEM;
2609 u32 wb_data[2];
2610
2611 DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
2612
2613 wb_data[0] = 0;
2614 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002615 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002616 udelay(30);
2617
2618 /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2619 wb_data[0] = 0x3c;
2620 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002621 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2622 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002623
2624 udelay(30);
2625
2626 /* tx MAC SA */
2627 wb_data[0] = ((params->mac_addr[2] << 24) |
2628 (params->mac_addr[3] << 16) |
2629 (params->mac_addr[4] << 8) |
2630 params->mac_addr[5]);
2631 wb_data[1] = ((params->mac_addr[0] << 8) |
2632 params->mac_addr[1]);
2633 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002634 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002635
2636 udelay(30);
2637
2638 /* Configure SAFC */
2639 wb_data[0] = 0x1000200;
2640 wb_data[1] = 0;
2641 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002642 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002643 udelay(30);
2644
2645 /* set rx 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_RX_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002649 udelay(30);
2650
2651 /* set tx mtu */
2652 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2653 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002654 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002655 udelay(30);
2656 /* set cnt max size */
2657 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
2658 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002659 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002660 udelay(30);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002661 bnx2x_update_pfc_bmac2(params, vars, is_lb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002662
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002663 if (vars->phy_flags & PHY_TX_ERROR_CHECK_FLAG) {
2664 REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LSS_STAT,
2665 wb_data, 2);
2666 if (wb_data[0] > 0) {
2667 DP(NETIF_MSG_LINK, "Got bad LSS status 0x%x\n",
2668 wb_data[0]);
2669 return -ESRCH;
2670 }
2671 }
2672
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002673 return 0;
2674}
2675
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002676static int bnx2x_bmac_enable(struct link_params *params,
2677 struct link_vars *vars,
2678 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002679{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002680 int rc = 0;
2681 u8 port = params->port;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002682 struct bnx2x *bp = params->bp;
2683 u32 val;
2684 /* reset and unreset the BigMac */
2685 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002686 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Yaniv Rosner1d9c05d2010-11-01 05:32:25 +00002687 msleep(1);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002688
2689 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002690 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002691
2692 /* enable access for bmac registers */
2693 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2694
2695 /* Enable BMAC according to BMAC type*/
2696 if (CHIP_IS_E2(bp))
2697 rc = bnx2x_bmac2_enable(params, vars, is_lb);
2698 else
2699 rc = bnx2x_bmac1_enable(params, vars, is_lb);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002700 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2701 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2702 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2703 val = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002704 if ((params->feature_config_flags &
2705 FEATURE_CONFIG_PFC_ENABLED) ||
2706 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002707 val = 1;
2708 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2709 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2710 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2711 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2712 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2713 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2714
2715 vars->mac_type = MAC_TYPE_BMAC;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002716 return rc;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002717}
2718
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002719static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
2720{
2721 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002722 NIG_REG_INGRESS_BMAC0_MEM;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002723 u32 wb_data[2];
Eilon Greenstein3196a882008-08-13 15:58:49 -07002724 u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002725
2726 /* Only if the bmac is out of reset */
2727 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
2728 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2729 nig_bmac_enable) {
2730
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002731 if (CHIP_IS_E2(bp)) {
2732 /* Clear Rx Enable bit in BMAC_CONTROL register */
2733 REG_RD_DMAE(bp, bmac_addr +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002734 BIGMAC2_REGISTER_BMAC_CONTROL,
2735 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002736 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2737 REG_WR_DMAE(bp, bmac_addr +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002738 BIGMAC2_REGISTER_BMAC_CONTROL,
2739 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002740 } else {
2741 /* Clear Rx Enable bit in BMAC_CONTROL register */
2742 REG_RD_DMAE(bp, bmac_addr +
2743 BIGMAC_REGISTER_BMAC_CONTROL,
2744 wb_data, 2);
2745 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2746 REG_WR_DMAE(bp, bmac_addr +
2747 BIGMAC_REGISTER_BMAC_CONTROL,
2748 wb_data, 2);
2749 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002750 msleep(1);
2751 }
2752}
2753
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002754static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
2755 u32 line_speed)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002756{
2757 struct bnx2x *bp = params->bp;
2758 u8 port = params->port;
2759 u32 init_crd, crd;
2760 u32 count = 1000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002761
2762 /* disable port */
2763 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2764
2765 /* wait for init credit */
2766 init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
2767 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2768 DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
2769
2770 while ((init_crd != crd) && count) {
2771 msleep(5);
2772
2773 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2774 count--;
2775 }
2776 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2777 if (init_crd != crd) {
2778 DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
2779 init_crd, crd);
2780 return -EINVAL;
2781 }
2782
David S. Millerc0700f92008-12-16 23:53:20 -08002783 if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002784 line_speed == SPEED_10 ||
2785 line_speed == SPEED_100 ||
2786 line_speed == SPEED_1000 ||
2787 line_speed == SPEED_2500) {
2788 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002789 /* update threshold */
2790 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
2791 /* update init credit */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002792 init_crd = 778; /* (800-18-4) */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002793
2794 } else {
2795 u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
2796 ETH_OVREHEAD)/16;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002797 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002798 /* update threshold */
2799 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
2800 /* update init credit */
2801 switch (line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002802 case SPEED_10000:
2803 init_crd = thresh + 553 - 22;
2804 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002805 default:
2806 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2807 line_speed);
2808 return -EINVAL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002809 }
2810 }
2811 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2812 DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
2813 line_speed, init_crd);
2814
2815 /* probe the credit changes */
2816 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
2817 msleep(5);
2818 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
2819
2820 /* enable port */
2821 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2822 return 0;
2823}
2824
Dmitry Kravkove8920672011-05-04 23:52:40 +00002825/**
2826 * bnx2x_get_emac_base - retrive emac base address
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002827 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00002828 * @bp: driver handle
2829 * @mdc_mdio_access: access type
2830 * @port: port id
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002831 *
2832 * This function selects the MDC/MDIO access (through emac0 or
2833 * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2834 * phy has a default access mode, which could also be overridden
2835 * by nvram configuration. This parameter, whether this is the
2836 * default phy configuration, or the nvram overrun
2837 * configuration, is passed here as mdc_mdio_access and selects
2838 * the emac_base for the CL45 read/writes operations
2839 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002840static u32 bnx2x_get_emac_base(struct bnx2x *bp,
2841 u32 mdc_mdio_access, u8 port)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002842{
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002843 u32 emac_base = 0;
2844 switch (mdc_mdio_access) {
2845 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
2846 break;
2847 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
2848 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2849 emac_base = GRCBASE_EMAC1;
2850 else
2851 emac_base = GRCBASE_EMAC0;
2852 break;
2853 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
Eilon Greenstein589abe32009-02-12 08:36:55 +00002854 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2855 emac_base = GRCBASE_EMAC0;
2856 else
2857 emac_base = GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002858 break;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002859 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
2860 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2861 break;
2862 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
Eilon Greenstein6378c022008-08-13 15:59:25 -07002863 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002864 break;
2865 default:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002866 break;
2867 }
2868 return emac_base;
2869
2870}
2871
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002872/******************************************************************/
Yaniv Rosner6583e332011-06-14 01:34:17 +00002873/* CL22 access functions */
2874/******************************************************************/
2875static int bnx2x_cl22_write(struct bnx2x *bp,
2876 struct bnx2x_phy *phy,
2877 u16 reg, u16 val)
2878{
2879 u32 tmp, mode;
2880 u8 i;
2881 int rc = 0;
2882 /* Switch to CL22 */
2883 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2884 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2885 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2886
2887 /* address */
2888 tmp = ((phy->addr << 21) | (reg << 16) | val |
2889 EMAC_MDIO_COMM_COMMAND_WRITE_22 |
2890 EMAC_MDIO_COMM_START_BUSY);
2891 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2892
2893 for (i = 0; i < 50; i++) {
2894 udelay(10);
2895
2896 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2897 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2898 udelay(5);
2899 break;
2900 }
2901 }
2902 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2903 DP(NETIF_MSG_LINK, "write phy register failed\n");
2904 rc = -EFAULT;
2905 }
2906 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2907 return rc;
2908}
2909
2910static int bnx2x_cl22_read(struct bnx2x *bp,
2911 struct bnx2x_phy *phy,
2912 u16 reg, u16 *ret_val)
2913{
2914 u32 val, mode;
2915 u16 i;
2916 int rc = 0;
2917
2918 /* Switch to CL22 */
2919 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2920 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2921 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2922
2923 /* address */
2924 val = ((phy->addr << 21) | (reg << 16) |
2925 EMAC_MDIO_COMM_COMMAND_READ_22 |
2926 EMAC_MDIO_COMM_START_BUSY);
2927 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2928
2929 for (i = 0; i < 50; i++) {
2930 udelay(10);
2931
2932 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2933 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2934 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2935 udelay(5);
2936 break;
2937 }
2938 }
2939 if (val & EMAC_MDIO_COMM_START_BUSY) {
2940 DP(NETIF_MSG_LINK, "read phy register failed\n");
2941
2942 *ret_val = 0;
2943 rc = -EFAULT;
2944 }
2945 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2946 return rc;
2947}
2948
2949/******************************************************************/
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002950/* CL45 access functions */
2951/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002952static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
2953 u8 devad, u16 reg, u16 *ret_val)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002954{
Yaniv Rosnera198c142011-05-31 21:29:42 +00002955 u32 val;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002956 u16 i;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002957 int rc = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002958
2959 /* address */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002960 val = ((phy->addr << 21) | (devad << 16) | reg |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002961 EMAC_MDIO_COMM_COMMAND_ADDRESS |
2962 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002963 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002964
2965 for (i = 0; i < 50; i++) {
2966 udelay(10);
2967
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002968 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002969 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2970 udelay(5);
2971 break;
2972 }
2973 }
2974 if (val & EMAC_MDIO_COMM_START_BUSY) {
2975 DP(NETIF_MSG_LINK, "read phy register failed\n");
Yaniv Rosner6d870c32011-01-31 04:22:20 +00002976 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002977 *ret_val = 0;
2978 rc = -EFAULT;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002979 } else {
2980 /* data */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002981 val = ((phy->addr << 21) | (devad << 16) |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002982 EMAC_MDIO_COMM_COMMAND_READ_45 |
2983 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002984 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002985
2986 for (i = 0; i < 50; i++) {
2987 udelay(10);
2988
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002989 val = REG_RD(bp, phy->mdio_ctrl +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002990 EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002991 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2992 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2993 break;
2994 }
2995 }
2996 if (val & EMAC_MDIO_COMM_START_BUSY) {
2997 DP(NETIF_MSG_LINK, "read phy register failed\n");
Yaniv Rosner6d870c32011-01-31 04:22:20 +00002998 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002999 *ret_val = 0;
3000 rc = -EFAULT;
3001 }
3002 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003003 /* Work around for E3 A0 */
3004 if (phy->flags & FLAGS_MDC_MDIO_WA) {
3005 phy->flags ^= FLAGS_DUMMY_READ;
3006 if (phy->flags & FLAGS_DUMMY_READ) {
3007 u16 temp_val;
3008 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
3009 }
3010 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003011
Yaniv Rosnera198c142011-05-31 21:29:42 +00003012 return rc;
3013}
3014
3015static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3016 u8 devad, u16 reg, u16 val)
3017{
3018 u32 tmp;
3019 u8 i;
3020 int rc = 0;
3021
3022 /* address */
3023
3024 tmp = ((phy->addr << 21) | (devad << 16) | reg |
3025 EMAC_MDIO_COMM_COMMAND_ADDRESS |
3026 EMAC_MDIO_COMM_START_BUSY);
3027 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3028
3029 for (i = 0; i < 50; i++) {
3030 udelay(10);
3031
3032 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3033 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3034 udelay(5);
3035 break;
3036 }
3037 }
3038 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3039 DP(NETIF_MSG_LINK, "write phy register failed\n");
3040 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
3041 rc = -EFAULT;
3042
3043 } else {
3044 /* data */
3045 tmp = ((phy->addr << 21) | (devad << 16) | val |
3046 EMAC_MDIO_COMM_COMMAND_WRITE_45 |
3047 EMAC_MDIO_COMM_START_BUSY);
3048 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3049
3050 for (i = 0; i < 50; i++) {
3051 udelay(10);
3052
3053 tmp = REG_RD(bp, phy->mdio_ctrl +
3054 EMAC_REG_EMAC_MDIO_COMM);
3055 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3056 udelay(5);
3057 break;
3058 }
3059 }
3060 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3061 DP(NETIF_MSG_LINK, "write phy register failed\n");
3062 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
3063 rc = -EFAULT;
3064 }
3065 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003066 /* Work around for E3 A0 */
3067 if (phy->flags & FLAGS_MDC_MDIO_WA) {
3068 phy->flags ^= FLAGS_DUMMY_READ;
3069 if (phy->flags & FLAGS_DUMMY_READ) {
3070 u16 temp_val;
3071 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
3072 }
3073 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003074
3075 return rc;
3076}
3077
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003078
3079/******************************************************************/
3080/* BSC access functions from E3 */
3081/******************************************************************/
3082static void bnx2x_bsc_module_sel(struct link_params *params)
3083{
3084 int idx;
3085 u32 board_cfg, sfp_ctrl;
3086 u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3087 struct bnx2x *bp = params->bp;
3088 u8 port = params->port;
3089 /* Read I2C output PINs */
3090 board_cfg = REG_RD(bp, params->shmem_base +
3091 offsetof(struct shmem_region,
3092 dev_info.shared_hw_config.board));
3093 i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3094 i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3095 SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3096
3097 /* Read I2C output value */
3098 sfp_ctrl = REG_RD(bp, params->shmem_base +
3099 offsetof(struct shmem_region,
3100 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3101 i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3102 i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3103 DP(NETIF_MSG_LINK, "Setting BSC switch\n");
3104 for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3105 bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
3106}
3107
3108static int bnx2x_bsc_read(struct link_params *params,
3109 struct bnx2x_phy *phy,
3110 u8 sl_devid,
3111 u16 sl_addr,
3112 u8 lc_addr,
3113 u8 xfer_cnt,
3114 u32 *data_array)
3115{
3116 u32 val, i;
3117 int rc = 0;
3118 struct bnx2x *bp = params->bp;
3119
3120 if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
3121 DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
3122 return -EINVAL;
3123 }
3124
3125 if (xfer_cnt > 16) {
3126 DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
3127 xfer_cnt);
3128 return -EINVAL;
3129 }
3130 bnx2x_bsc_module_sel(params);
3131
3132 xfer_cnt = 16 - lc_addr;
3133
3134 /* enable the engine */
3135 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3136 val |= MCPR_IMC_COMMAND_ENABLE;
3137 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3138
3139 /* program slave device ID */
3140 val = (sl_devid << 16) | sl_addr;
3141 REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3142
3143 /* start xfer with 0 byte to update the address pointer ???*/
3144 val = (MCPR_IMC_COMMAND_ENABLE) |
3145 (MCPR_IMC_COMMAND_WRITE_OP <<
3146 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3147 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3148 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3149
3150 /* poll for completion */
3151 i = 0;
3152 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3153 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3154 udelay(10);
3155 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3156 if (i++ > 1000) {
3157 DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
3158 i);
3159 rc = -EFAULT;
3160 break;
3161 }
3162 }
3163 if (rc == -EFAULT)
3164 return rc;
3165
3166 /* start xfer with read op */
3167 val = (MCPR_IMC_COMMAND_ENABLE) |
3168 (MCPR_IMC_COMMAND_READ_OP <<
3169 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3170 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3171 (xfer_cnt);
3172 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3173
3174 /* poll for completion */
3175 i = 0;
3176 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3177 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3178 udelay(10);
3179 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3180 if (i++ > 1000) {
3181 DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
3182 rc = -EFAULT;
3183 break;
3184 }
3185 }
3186 if (rc == -EFAULT)
3187 return rc;
3188
3189 for (i = (lc_addr >> 2); i < 4; i++) {
3190 data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3191#ifdef __BIG_ENDIAN
3192 data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3193 ((data_array[i] & 0x0000ff00) << 8) |
3194 ((data_array[i] & 0x00ff0000) >> 8) |
3195 ((data_array[i] & 0xff000000) >> 24);
3196#endif
3197 }
3198 return rc;
3199}
3200
3201static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3202 u8 devad, u16 reg, u16 or_val)
3203{
3204 u16 val;
3205 bnx2x_cl45_read(bp, phy, devad, reg, &val);
3206 bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
3207}
3208
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003209int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
3210 u8 devad, u16 reg, u16 *ret_val)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003211{
3212 u8 phy_index;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003213 /*
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003214 * Probe for the phy according to the given phy_addr, and execute
3215 * the read request on it
3216 */
3217 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3218 if (params->phy[phy_index].addr == phy_addr) {
3219 return bnx2x_cl45_read(params->bp,
3220 &params->phy[phy_index], devad,
3221 reg, ret_val);
3222 }
3223 }
3224 return -EINVAL;
3225}
3226
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003227int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
3228 u8 devad, u16 reg, u16 val)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003229{
3230 u8 phy_index;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003231 /*
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003232 * Probe for the phy according to the given phy_addr, and execute
3233 * the write request on it
3234 */
3235 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3236 if (params->phy[phy_index].addr == phy_addr) {
3237 return bnx2x_cl45_write(params->bp,
3238 &params->phy[phy_index], devad,
3239 reg, val);
3240 }
3241 }
3242 return -EINVAL;
3243}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003244static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
3245 struct link_params *params)
3246{
3247 u8 lane = 0;
3248 struct bnx2x *bp = params->bp;
3249 u32 path_swap, path_swap_ovr;
3250 u8 path, port;
3251
3252 path = BP_PATH(bp);
3253 port = params->port;
3254
3255 if (bnx2x_is_4_port_mode(bp)) {
3256 u32 port_swap, port_swap_ovr;
3257
3258 /*figure out path swap value */
3259 path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
3260 if (path_swap_ovr & 0x1)
3261 path_swap = (path_swap_ovr & 0x2);
3262 else
3263 path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
3264
3265 if (path_swap)
3266 path = path ^ 1;
3267
3268 /*figure out port swap value */
3269 port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
3270 if (port_swap_ovr & 0x1)
3271 port_swap = (port_swap_ovr & 0x2);
3272 else
3273 port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
3274
3275 if (port_swap)
3276 port = port ^ 1;
3277
3278 lane = (port<<1) + path;
3279 } else { /* two port mode - no port swap */
3280
3281 /*figure out path swap value */
3282 path_swap_ovr =
3283 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3284 if (path_swap_ovr & 0x1) {
3285 path_swap = (path_swap_ovr & 0x2);
3286 } else {
3287 path_swap =
3288 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
3289 }
3290 if (path_swap)
3291 path = path ^ 1;
3292
3293 lane = path << 1 ;
3294 }
3295 return lane;
3296}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003297
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003298static void bnx2x_set_aer_mmd(struct link_params *params,
3299 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003300{
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003301 u32 ser_lane;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003302 u16 offset, aer_val;
3303 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003304 ser_lane = ((params->lane_config &
3305 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3306 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3307
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003308 offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3309 (phy->addr + ser_lane) : 0;
3310
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003311 if (USES_WARPCORE(bp)) {
3312 aer_val = bnx2x_get_warpcore_lane(phy, params);
3313 /*
3314 * In Dual-lane mode, two lanes are joined together,
3315 * so in order to configure them, the AER broadcast method is
3316 * used here.
3317 * 0x200 is the broadcast address for lanes 0,1
3318 * 0x201 is the broadcast address for lanes 2,3
3319 */
3320 if (phy->flags & FLAGS_WC_DUAL_MODE)
3321 aer_val = (aer_val >> 1) | 0x200;
3322 } else if (CHIP_IS_E2(bp))
Yaniv Rosner82a0d472011-01-18 04:33:52 +00003323 aer_val = 0x3800 + offset - 1;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003324 else
3325 aer_val = 0x3800 + offset;
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003326 DP(NETIF_MSG_LINK, "Set AER to 0x%x\n", aer_val);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003327 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003328 MDIO_AER_BLOCK_AER_REG, aer_val);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003329
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003330}
3331
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003332/******************************************************************/
3333/* Internal phy section */
3334/******************************************************************/
3335
3336static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
3337{
3338 u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3339
3340 /* Set Clause 22 */
3341 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
3342 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
3343 udelay(500);
3344 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3345 udelay(500);
3346 /* Set Clause 45 */
3347 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
3348}
3349
3350static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
3351{
3352 u32 val;
3353
3354 DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
3355
3356 val = SERDES_RESET_BITS << (port*16);
3357
3358 /* reset and unreset the SerDes/XGXS */
3359 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3360 udelay(500);
3361 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3362
3363 bnx2x_set_serdes_access(bp, port);
3364
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003365 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3366 DEFAULT_PHY_DEV_ADDR);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003367}
3368
3369static void bnx2x_xgxs_deassert(struct link_params *params)
3370{
3371 struct bnx2x *bp = params->bp;
3372 u8 port;
3373 u32 val;
3374 DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
3375 port = params->port;
3376
3377 val = XGXS_RESET_BITS << (port*16);
3378
3379 /* reset and unreset the SerDes/XGXS */
3380 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3381 udelay(500);
3382 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3383
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003384 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003385 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003386 params->phy[INT_PHY].def_md_devad);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003387}
3388
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003389static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
3390 struct link_params *params, u16 *ieee_fc)
3391{
3392 struct bnx2x *bp = params->bp;
3393 *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
3394 /**
3395 * resolve pause mode and advertisement Please refer to Table
3396 * 28B-3 of the 802.3ab-1999 spec
3397 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003398
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003399 switch (phy->req_flow_ctrl) {
3400 case BNX2X_FLOW_CTRL_AUTO:
3401 if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
3402 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3403 else
3404 *ieee_fc |=
3405 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3406 break;
3407
3408 case BNX2X_FLOW_CTRL_TX:
3409 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3410 break;
3411
3412 case BNX2X_FLOW_CTRL_RX:
3413 case BNX2X_FLOW_CTRL_BOTH:
3414 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3415 break;
3416
3417 case BNX2X_FLOW_CTRL_NONE:
3418 default:
3419 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3420 break;
3421 }
3422 DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
3423}
3424
3425static void set_phy_vars(struct link_params *params,
3426 struct link_vars *vars)
3427{
3428 struct bnx2x *bp = params->bp;
3429 u8 actual_phy_idx, phy_index, link_cfg_idx;
3430 u8 phy_config_swapped = params->multi_phy_config &
3431 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
3432 for (phy_index = INT_PHY; phy_index < params->num_phys;
3433 phy_index++) {
3434 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
3435 actual_phy_idx = phy_index;
3436 if (phy_config_swapped) {
3437 if (phy_index == EXT_PHY1)
3438 actual_phy_idx = EXT_PHY2;
3439 else if (phy_index == EXT_PHY2)
3440 actual_phy_idx = EXT_PHY1;
3441 }
3442 params->phy[actual_phy_idx].req_flow_ctrl =
3443 params->req_flow_ctrl[link_cfg_idx];
3444
3445 params->phy[actual_phy_idx].req_line_speed =
3446 params->req_line_speed[link_cfg_idx];
3447
3448 params->phy[actual_phy_idx].speed_cap_mask =
3449 params->speed_cap_mask[link_cfg_idx];
3450
3451 params->phy[actual_phy_idx].req_duplex =
3452 params->req_duplex[link_cfg_idx];
3453
3454 if (params->req_line_speed[link_cfg_idx] ==
3455 SPEED_AUTO_NEG)
3456 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3457
3458 DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
3459 " speed_cap_mask %x\n",
3460 params->phy[actual_phy_idx].req_flow_ctrl,
3461 params->phy[actual_phy_idx].req_line_speed,
3462 params->phy[actual_phy_idx].speed_cap_mask);
3463 }
3464}
3465
3466static void bnx2x_ext_phy_set_pause(struct link_params *params,
3467 struct bnx2x_phy *phy,
3468 struct link_vars *vars)
3469{
3470 u16 val;
3471 struct bnx2x *bp = params->bp;
3472 /* read modify write pause advertizing */
3473 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3474
3475 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3476
3477 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3478 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3479 if ((vars->ieee_fc &
3480 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3481 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3482 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3483 }
3484 if ((vars->ieee_fc &
3485 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3486 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3487 val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3488 }
3489 DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3490 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3491}
3492
3493static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
3494{ /* LD LP */
3495 switch (pause_result) { /* ASYM P ASYM P */
3496 case 0xb: /* 1 0 1 1 */
3497 vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
3498 break;
3499
3500 case 0xe: /* 1 1 1 0 */
3501 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3502 break;
3503
3504 case 0x5: /* 0 1 0 1 */
3505 case 0x7: /* 0 1 1 1 */
3506 case 0xd: /* 1 1 0 1 */
3507 case 0xf: /* 1 1 1 1 */
3508 vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
3509 break;
3510
3511 default:
3512 break;
3513 }
3514 if (pause_result & (1<<0))
3515 vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3516 if (pause_result & (1<<1))
3517 vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
3518}
3519
3520static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3521 struct link_params *params,
3522 struct link_vars *vars)
3523{
3524 struct bnx2x *bp = params->bp;
3525 u16 ld_pause; /* local */
3526 u16 lp_pause; /* link partner */
3527 u16 pause_result;
3528 u8 ret = 0;
3529 /* read twice */
3530
3531 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3532
3533 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
3534 vars->flow_ctrl = phy->req_flow_ctrl;
3535 else if (phy->req_line_speed != SPEED_AUTO_NEG)
3536 vars->flow_ctrl = params->req_fc_auto_adv;
3537 else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3538 ret = 1;
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +00003539 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
Yaniv Rosner6583e332011-06-14 01:34:17 +00003540 bnx2x_cl22_read(bp, phy,
3541 0x4, &ld_pause);
3542 bnx2x_cl22_read(bp, phy,
3543 0x5, &lp_pause);
3544 } else {
3545 bnx2x_cl45_read(bp, phy,
3546 MDIO_AN_DEVAD,
3547 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3548 bnx2x_cl45_read(bp, phy,
3549 MDIO_AN_DEVAD,
3550 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3551 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003552 pause_result = (ld_pause &
3553 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3554 pause_result |= (lp_pause &
3555 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3556 DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
3557 pause_result);
3558 bnx2x_pause_resolve(vars, pause_result);
3559 }
3560 return ret;
3561}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003562/******************************************************************/
3563/* Warpcore section */
3564/******************************************************************/
3565/* The init_internal_warpcore should mirror the xgxs,
3566 * i.e. reset the lane (if needed), set aer for the
3567 * init configuration, and set/clear SGMII flag. Internal
3568 * phy init is done purely in phy_init stage.
3569 */
3570static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
3571 struct link_params *params,
3572 struct link_vars *vars) {
Yaniv Rosnera34bc962011-07-05 01:06:41 +00003573 u16 val16 = 0, lane, bam37 = 0;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003574 struct bnx2x *bp = params->bp;
3575 DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
3576 /* Check adding advertisement for 1G KX */
3577 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3578 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3579 (vars->line_speed == SPEED_1000)) {
3580 u16 sd_digital;
3581 val16 |= (1<<5);
3582
3583 /* Enable CL37 1G Parallel Detect */
3584 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3585 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
3586 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3587 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3588 (sd_digital | 0x1));
3589
3590 DP(NETIF_MSG_LINK, "Advertize 1G\n");
3591 }
3592 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3593 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
3594 (vars->line_speed == SPEED_10000)) {
3595 /* Check adding advertisement for 10G KR */
3596 val16 |= (1<<7);
3597 /* Enable 10G Parallel Detect */
3598 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3599 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
3600
3601 DP(NETIF_MSG_LINK, "Advertize 10G\n");
3602 }
3603
3604 /* Set Transmit PMD settings */
3605 lane = bnx2x_get_warpcore_lane(phy, params);
3606 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3607 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3608 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3609 (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3610 (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
3611 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3612 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
3613 0x03f0);
3614 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3615 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
3616 0x03f0);
3617 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3618 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3619 0x383f);
3620
3621 /* Advertised speeds */
3622 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3623 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
3624
Yaniv Rosnera34bc962011-07-05 01:06:41 +00003625 /* Enable CL37 BAM */
3626 if (REG_RD(bp, params->shmem_base +
3627 offsetof(struct shmem_region, dev_info.
3628 port_hw_config[params->port].default_cfg)) &
3629 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
3630 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3631 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
3632 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3633 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
3634 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
3635 }
3636
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003637 /* Advertise pause */
3638 bnx2x_ext_phy_set_pause(params, phy, vars);
3639
3640 /* Enable Autoneg */
3641 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3642 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1000);
3643
3644 /* Over 1G - AN local device user page 1 */
3645 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3646 MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
3647
3648 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3649 MDIO_WC_REG_DIGITAL5_MISC7, &val16);
3650
3651 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3652 MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
3653}
3654
3655static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
3656 struct link_params *params,
3657 struct link_vars *vars)
3658{
3659 struct bnx2x *bp = params->bp;
3660 u16 val;
3661
3662 /* Disable Autoneg */
3663 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3664 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
3665
3666 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3667 MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
3668
3669 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3670 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
3671
3672 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3673 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
3674
3675 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3676 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3677
3678 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3679 MDIO_WC_REG_DIGITAL3_UP1, 0x1);
3680
3681 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3682 MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
3683
3684 /* Disable CL36 PCS Tx */
3685 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3686 MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
3687
3688 /* Double Wide Single Data Rate @ pll rate */
3689 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3690 MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
3691
3692 /* Leave cl72 training enable, needed for KR */
3693 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3694 MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
3695 0x2);
3696
3697 /* Leave CL72 enabled */
3698 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3699 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3700 &val);
3701 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3702 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3703 val | 0x3800);
3704
3705 /* Set speed via PMA/PMD register */
3706 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3707 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
3708
3709 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3710 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
3711
3712 /*Enable encoded forced speed */
3713 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3714 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
3715
3716 /* Turn TX scramble payload only the 64/66 scrambler */
3717 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3718 MDIO_WC_REG_TX66_CONTROL, 0x9);
3719
3720 /* Turn RX scramble payload only the 64/66 scrambler */
3721 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3722 MDIO_WC_REG_RX66_CONTROL, 0xF9);
3723
3724 /* set and clear loopback to cause a reset to 64/66 decoder */
3725 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3726 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
3727 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3728 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3729
3730}
3731
3732static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
3733 struct link_params *params,
3734 u8 is_xfi)
3735{
3736 struct bnx2x *bp = params->bp;
3737 u16 misc1_val, tap_val, tx_driver_val, lane, val;
3738 /* Hold rxSeqStart */
3739 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3740 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
3741 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3742 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
3743
3744 /* Hold tx_fifo_reset */
3745 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3746 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
3747 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3748 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
3749
3750 /* Disable CL73 AN */
3751 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
3752
3753 /* Disable 100FX Enable and Auto-Detect */
3754 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3755 MDIO_WC_REG_FX100_CTRL1, &val);
3756 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3757 MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
3758
3759 /* Disable 100FX Idle detect */
3760 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3761 MDIO_WC_REG_FX100_CTRL3, &val);
3762 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3763 MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
3764
3765 /* Set Block address to Remote PHY & Clear forced_speed[5] */
3766 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3767 MDIO_WC_REG_DIGITAL4_MISC3, &val);
3768 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3769 MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
3770
3771 /* Turn off auto-detect & fiber mode */
3772 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3773 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
3774 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3775 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3776 (val & 0xFFEE));
3777
3778 /* Set filter_force_link, disable_false_link and parallel_detect */
3779 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3780 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
3781 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3782 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3783 ((val | 0x0006) & 0xFFFE));
3784
3785 /* Set XFI / SFI */
3786 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3787 MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
3788
3789 misc1_val &= ~(0x1f);
3790
3791 if (is_xfi) {
3792 misc1_val |= 0x5;
3793 tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3794 (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3795 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
3796 tx_driver_val =
3797 ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3798 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3799 (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
3800
3801 } else {
3802 misc1_val |= 0x9;
3803 tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3804 (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3805 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
3806 tx_driver_val =
3807 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3808 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3809 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
3810 }
3811 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3812 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
3813
3814 /* Set Transmit PMD settings */
3815 lane = bnx2x_get_warpcore_lane(phy, params);
3816 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3817 MDIO_WC_REG_TX_FIR_TAP,
3818 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
3819 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3820 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3821 tx_driver_val);
3822
3823 /* Enable fiber mode, enable and invert sig_det */
3824 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3825 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
3826 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3827 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
3828
3829 /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
3830 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3831 MDIO_WC_REG_DIGITAL4_MISC3, &val);
3832 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3833 MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
3834
3835 /* 10G XFI Full Duplex */
3836 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3837 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
3838
3839 /* Release tx_fifo_reset */
3840 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3841 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
3842 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3843 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
3844
3845 /* Release rxSeqStart */
3846 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3847 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
3848 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3849 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
3850}
3851
3852static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
3853 struct bnx2x_phy *phy)
3854{
3855 DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
3856}
3857
3858static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
3859 struct bnx2x_phy *phy,
3860 u16 lane)
3861{
3862 /* Rx0 anaRxControl1G */
3863 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3864 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
3865
3866 /* Rx2 anaRxControl1G */
3867 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3868 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
3869
3870 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3871 MDIO_WC_REG_RX66_SCW0, 0xE070);
3872
3873 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3874 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
3875
3876 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3877 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
3878
3879 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3880 MDIO_WC_REG_RX66_SCW3, 0x8090);
3881
3882 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3883 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
3884
3885 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3886 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
3887
3888 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3889 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
3890
3891 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3892 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
3893
3894 /* Serdes Digital Misc1 */
3895 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3896 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
3897
3898 /* Serdes Digital4 Misc3 */
3899 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3900 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
3901
3902 /* Set Transmit PMD settings */
3903 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3904 MDIO_WC_REG_TX_FIR_TAP,
3905 ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3906 (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3907 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
3908 MDIO_WC_REG_TX_FIR_TAP_ENABLE));
3909 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3910 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3911 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3912 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3913 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
3914}
3915
3916static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
3917 struct link_params *params,
3918 u8 fiber_mode)
3919{
3920 struct bnx2x *bp = params->bp;
3921 u16 val16, digctrl_kx1, digctrl_kx2;
3922 u8 lane;
3923
3924 lane = bnx2x_get_warpcore_lane(phy, params);
3925
3926 /* Clear XFI clock comp in non-10G single lane mode. */
3927 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3928 MDIO_WC_REG_RX66_CONTROL, &val16);
3929 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3930 MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
3931
3932 if (phy->req_line_speed == SPEED_AUTO_NEG) {
3933 /* SGMII Autoneg */
3934 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3935 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
3936 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3937 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
3938 val16 | 0x1000);
3939 DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
3940 } else {
3941 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3942 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
3943 val16 &= 0xcfbf;
3944 switch (phy->req_line_speed) {
3945 case SPEED_10:
3946 break;
3947 case SPEED_100:
3948 val16 |= 0x2000;
3949 break;
3950 case SPEED_1000:
3951 val16 |= 0x0040;
3952 break;
3953 default:
3954 DP(NETIF_MSG_LINK, "Speed not supported: 0x%x"
3955 "\n", phy->req_line_speed);
3956 return;
3957 }
3958
3959 if (phy->req_duplex == DUPLEX_FULL)
3960 val16 |= 0x0100;
3961
3962 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3963 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
3964
3965 DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
3966 phy->req_line_speed);
3967 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3968 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
3969 DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
3970 }
3971
3972 /* SGMII Slave mode and disable signal detect */
3973 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3974 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
3975 if (fiber_mode)
3976 digctrl_kx1 = 1;
3977 else
3978 digctrl_kx1 &= 0xff4a;
3979
3980 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3981 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3982 digctrl_kx1);
3983
3984 /* Turn off parallel detect */
3985 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3986 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
3987 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3988 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3989 (digctrl_kx2 & ~(1<<2)));
3990
3991 /* Re-enable parallel detect */
3992 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3993 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3994 (digctrl_kx2 | (1<<2)));
3995
3996 /* Enable autodet */
3997 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3998 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3999 (digctrl_kx1 | 0x10));
4000}
4001
4002static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
4003 struct bnx2x_phy *phy,
4004 u8 reset)
4005{
4006 u16 val;
4007 /* Take lane out of reset after configuration is finished */
4008 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4009 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4010 if (reset)
4011 val |= 0xC000;
4012 else
4013 val &= 0x3FFF;
4014 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4015 MDIO_WC_REG_DIGITAL5_MISC6, val);
4016 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4017 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4018}
4019
4020
4021 /* Clear SFI/XFI link settings registers */
4022static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
4023 struct link_params *params,
4024 u16 lane)
4025{
4026 struct bnx2x *bp = params->bp;
4027 u16 val16;
4028
4029 /* Set XFI clock comp as default. */
4030 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4031 MDIO_WC_REG_RX66_CONTROL, &val16);
4032 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4033 MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
4034
4035 bnx2x_warpcore_reset_lane(bp, phy, 1);
4036 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
4037 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4038 MDIO_WC_REG_FX100_CTRL1, 0x014a);
4039 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4040 MDIO_WC_REG_FX100_CTRL3, 0x0800);
4041 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4042 MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
4043 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4044 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
4045 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4046 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
4047 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4048 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
4049 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4050 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
4051 lane = bnx2x_get_warpcore_lane(phy, params);
4052 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4053 MDIO_WC_REG_TX_FIR_TAP, 0x0000);
4054 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4055 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
4056 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4057 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
4058 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4059 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
4060 bnx2x_warpcore_reset_lane(bp, phy, 0);
4061}
4062
4063static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
4064 u32 chip_id,
4065 u32 shmem_base, u8 port,
4066 u8 *gpio_num, u8 *gpio_port)
4067{
4068 u32 cfg_pin;
4069 *gpio_num = 0;
4070 *gpio_port = 0;
4071 if (CHIP_IS_E3(bp)) {
4072 cfg_pin = (REG_RD(bp, shmem_base +
4073 offsetof(struct shmem_region,
4074 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4075 PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4076 PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4077
4078 /*
4079 * Should not happen. This function called upon interrupt
4080 * triggered by GPIO ( since EPIO can only generate interrupts
4081 * to MCP).
4082 * So if this function was called and none of the GPIOs was set,
4083 * it means the shit hit the fan.
4084 */
4085 if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4086 (cfg_pin > PIN_CFG_GPIO3_P1)) {
4087 DP(NETIF_MSG_LINK, "ERROR: Invalid cfg pin %x for "
4088 "module detect indication\n",
4089 cfg_pin);
4090 return -EINVAL;
4091 }
4092
4093 *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4094 *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4095 } else {
4096 *gpio_num = MISC_REGISTERS_GPIO_3;
4097 *gpio_port = port;
4098 }
4099 DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
4100 return 0;
4101}
4102
4103static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
4104 struct link_params *params)
4105{
4106 struct bnx2x *bp = params->bp;
4107 u8 gpio_num, gpio_port;
4108 u32 gpio_val;
4109 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
4110 params->shmem_base, params->port,
4111 &gpio_num, &gpio_port) != 0)
4112 return 0;
4113 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
4114
4115 /* Call the handling function in case module is detected */
4116 if (gpio_val == 0)
4117 return 1;
4118 else
4119 return 0;
4120}
4121
4122static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
4123 struct link_params *params,
4124 struct link_vars *vars)
4125{
4126 struct bnx2x *bp = params->bp;
4127 u32 serdes_net_if;
4128 u8 fiber_mode;
4129 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4130 serdes_net_if = (REG_RD(bp, params->shmem_base +
4131 offsetof(struct shmem_region, dev_info.
4132 port_hw_config[params->port].default_cfg)) &
4133 PORT_HW_CFG_NET_SERDES_IF_MASK);
4134 DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
4135 "serdes_net_if = 0x%x\n",
4136 vars->line_speed, serdes_net_if);
4137 bnx2x_set_aer_mmd(params, phy);
4138
4139 vars->phy_flags |= PHY_XGXS_FLAG;
4140 if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4141 (phy->req_line_speed &&
4142 ((phy->req_line_speed == SPEED_100) ||
4143 (phy->req_line_speed == SPEED_10)))) {
4144 vars->phy_flags |= PHY_SGMII_FLAG;
4145 DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
4146 bnx2x_warpcore_clear_regs(phy, params, lane);
4147 bnx2x_warpcore_set_sgmii_speed(phy, params, 0);
4148 } else {
4149 switch (serdes_net_if) {
4150 case PORT_HW_CFG_NET_SERDES_IF_KR:
4151 /* Enable KR Auto Neg */
4152 if (params->loopback_mode == LOOPBACK_NONE)
4153 bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4154 else {
4155 DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
4156 bnx2x_warpcore_set_10G_KR(phy, params, vars);
4157 }
4158 break;
4159
4160 case PORT_HW_CFG_NET_SERDES_IF_XFI:
4161 bnx2x_warpcore_clear_regs(phy, params, lane);
4162 if (vars->line_speed == SPEED_10000) {
4163 DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
4164 bnx2x_warpcore_set_10G_XFI(phy, params, 1);
4165 } else {
4166 if (SINGLE_MEDIA_DIRECT(params)) {
4167 DP(NETIF_MSG_LINK, "1G Fiber\n");
4168 fiber_mode = 1;
4169 } else {
4170 DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
4171 fiber_mode = 0;
4172 }
4173 bnx2x_warpcore_set_sgmii_speed(phy,
4174 params,
4175 fiber_mode);
4176 }
4177
4178 break;
4179
4180 case PORT_HW_CFG_NET_SERDES_IF_SFI:
4181
4182 bnx2x_warpcore_clear_regs(phy, params, lane);
4183 if (vars->line_speed == SPEED_10000) {
4184 DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
4185 bnx2x_warpcore_set_10G_XFI(phy, params, 0);
4186 } else if (vars->line_speed == SPEED_1000) {
4187 DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
4188 bnx2x_warpcore_set_sgmii_speed(phy, params, 1);
4189 }
4190 /* Issue Module detection */
4191 if (bnx2x_is_sfp_module_plugged(phy, params))
4192 bnx2x_sfp_module_detection(phy, params);
4193 break;
4194
4195 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4196 if (vars->line_speed != SPEED_20000) {
4197 DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4198 return;
4199 }
4200 DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
4201 bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
4202 /* Issue Module detection */
4203
4204 bnx2x_sfp_module_detection(phy, params);
4205 break;
4206
4207 case PORT_HW_CFG_NET_SERDES_IF_KR2:
4208 if (vars->line_speed != SPEED_20000) {
4209 DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4210 return;
4211 }
4212 DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
4213 bnx2x_warpcore_set_20G_KR2(bp, phy);
4214 break;
4215
4216 default:
4217 DP(NETIF_MSG_LINK, "Unsupported Serdes Net Interface "
4218 "0x%x\n", serdes_net_if);
4219 return;
4220 }
4221 }
4222
4223 /* Take lane out of reset after configuration is finished */
4224 bnx2x_warpcore_reset_lane(bp, phy, 0);
4225 DP(NETIF_MSG_LINK, "Exit config init\n");
4226}
4227
4228static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
4229 struct bnx2x_phy *phy,
4230 u8 tx_en)
4231{
4232 struct bnx2x *bp = params->bp;
4233 u32 cfg_pin;
4234 u8 port = params->port;
4235
4236 cfg_pin = REG_RD(bp, params->shmem_base +
4237 offsetof(struct shmem_region,
4238 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4239 PORT_HW_CFG_TX_LASER_MASK;
4240 /* Set the !tx_en since this pin is DISABLE_TX_LASER */
4241 DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
4242 /* For 20G, the expected pin to be used is 3 pins after the current */
4243
4244 bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
4245 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4246 bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
4247}
4248
4249static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
4250 struct link_params *params)
4251{
4252 struct bnx2x *bp = params->bp;
4253 u16 val16;
4254 bnx2x_sfp_e3_set_transmitter(params, phy, 0);
4255 bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
4256 bnx2x_set_aer_mmd(params, phy);
4257 /* Global register */
4258 bnx2x_warpcore_reset_lane(bp, phy, 1);
4259
4260 /* Clear loopback settings (if any) */
4261 /* 10G & 20G */
4262 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4263 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4264 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4265 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
4266 0xBFFF);
4267
4268 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4269 MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
4270 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4271 MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
4272
4273 /* Update those 1-copy registers */
4274 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4275 MDIO_AER_BLOCK_AER_REG, 0);
4276 /* Enable 1G MDIO (1-copy) */
4277 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4278 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4279 &val16);
4280 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4281 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4282 val16 & ~0x10);
4283
4284 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4285 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4286 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4287 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4288 val16 & 0xff00);
4289
4290}
4291
4292static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
4293 struct link_params *params)
4294{
4295 struct bnx2x *bp = params->bp;
4296 u16 val16;
4297 u32 lane;
4298 DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
4299 params->loopback_mode, phy->req_line_speed);
4300
4301 if (phy->req_line_speed < SPEED_10000) {
4302 /* 10/100/1000 */
4303
4304 /* Update those 1-copy registers */
4305 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4306 MDIO_AER_BLOCK_AER_REG, 0);
4307 /* Enable 1G MDIO (1-copy) */
4308 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4309 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4310 &val16);
4311 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4312 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4313 val16 | 0x10);
4314 /* Set 1G loopback based on lane (1-copy) */
4315 lane = bnx2x_get_warpcore_lane(phy, params);
4316 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4317 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4318 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4319 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4320 val16 | (1<<lane));
4321
4322 /* Switch back to 4-copy registers */
4323 bnx2x_set_aer_mmd(params, phy);
4324 /* Global loopback, not recommended. */
4325 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4326 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4327 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4328 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
4329 0x4000);
4330 } else {
4331 /* 10G & 20G */
4332 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4333 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4334 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4335 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
4336 0x4000);
4337
4338 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4339 MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
4340 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4341 MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
4342 }
4343}
4344
4345
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004346void bnx2x_link_status_update(struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004347 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004348{
4349 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004350 u8 link_10g_plus;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004351 u8 port = params->port;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00004352 u32 sync_offset, media_types;
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00004353 /* Update PHY configuration */
4354 set_phy_vars(params, vars);
4355
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004356 vars->link_status = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004357 offsetof(struct shmem_region,
4358 port_mb[port].link_status));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004359
4360 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00004361 vars->phy_flags = PHY_XGXS_FLAG;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004362 if (vars->link_up) {
4363 DP(NETIF_MSG_LINK, "phy link up\n");
4364
4365 vars->phy_link_up = 1;
4366 vars->duplex = DUPLEX_FULL;
4367 switch (vars->link_status &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004368 LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004369 case LINK_10THD:
4370 vars->duplex = DUPLEX_HALF;
4371 /* fall thru */
4372 case LINK_10TFD:
4373 vars->line_speed = SPEED_10;
4374 break;
4375
4376 case LINK_100TXHD:
4377 vars->duplex = DUPLEX_HALF;
4378 /* fall thru */
4379 case LINK_100T4:
4380 case LINK_100TXFD:
4381 vars->line_speed = SPEED_100;
4382 break;
4383
4384 case LINK_1000THD:
4385 vars->duplex = DUPLEX_HALF;
4386 /* fall thru */
4387 case LINK_1000TFD:
4388 vars->line_speed = SPEED_1000;
4389 break;
4390
4391 case LINK_2500THD:
4392 vars->duplex = DUPLEX_HALF;
4393 /* fall thru */
4394 case LINK_2500TFD:
4395 vars->line_speed = SPEED_2500;
4396 break;
4397
4398 case LINK_10GTFD:
4399 vars->line_speed = SPEED_10000;
4400 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004401 case LINK_20GTFD:
4402 vars->line_speed = SPEED_20000;
4403 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004404 default:
4405 break;
4406 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004407 vars->flow_ctrl = 0;
4408 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
4409 vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
4410
4411 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
4412 vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
4413
4414 if (!vars->flow_ctrl)
4415 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4416
4417 if (vars->line_speed &&
4418 ((vars->line_speed == SPEED_10) ||
4419 (vars->line_speed == SPEED_100))) {
4420 vars->phy_flags |= PHY_SGMII_FLAG;
4421 } else {
4422 vars->phy_flags &= ~PHY_SGMII_FLAG;
4423 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004424 if (vars->line_speed &&
4425 USES_WARPCORE(bp) &&
4426 (vars->line_speed == SPEED_1000))
4427 vars->phy_flags |= PHY_SGMII_FLAG;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004428 /* anything 10 and over uses the bmac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004429 link_10g_plus = (vars->line_speed >= SPEED_10000);
4430
4431 if (link_10g_plus) {
4432 if (USES_WARPCORE(bp))
4433 vars->mac_type = MAC_TYPE_XMAC;
4434 else
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004435 vars->mac_type = MAC_TYPE_BMAC;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004436 } else {
4437 if (USES_WARPCORE(bp))
4438 vars->mac_type = MAC_TYPE_UMAC;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004439 else
4440 vars->mac_type = MAC_TYPE_EMAC;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004441 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004442 } else { /* link down */
4443 DP(NETIF_MSG_LINK, "phy link down\n");
4444
4445 vars->phy_link_up = 0;
4446
4447 vars->line_speed = 0;
4448 vars->duplex = DUPLEX_FULL;
4449 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4450
4451 /* indicate no mac active */
4452 vars->mac_type = MAC_TYPE_NONE;
4453 }
4454
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00004455 /* Sync media type */
4456 sync_offset = params->shmem_base +
4457 offsetof(struct shmem_region,
4458 dev_info.port_hw_config[port].media_type);
4459 media_types = REG_RD(bp, sync_offset);
4460
4461 params->phy[INT_PHY].media_type =
4462 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
4463 PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
4464 params->phy[EXT_PHY1].media_type =
4465 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
4466 PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
4467 params->phy[EXT_PHY2].media_type =
4468 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
4469 PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
4470 DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
4471
Yaniv Rosner020c7e32011-05-31 21:28:43 +00004472 /* Sync AEU offset */
4473 sync_offset = params->shmem_base +
4474 offsetof(struct shmem_region,
4475 dev_info.port_hw_config[port].aeu_int_mask);
4476
4477 vars->aeu_int_mask = REG_RD(bp, sync_offset);
4478
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00004479 /* Sync PFC status */
4480 if (vars->link_status & LINK_STATUS_PFC_ENABLED)
4481 params->feature_config_flags |=
4482 FEATURE_CONFIG_PFC_ENABLED;
4483 else
4484 params->feature_config_flags &=
4485 ~FEATURE_CONFIG_PFC_ENABLED;
4486
Yaniv Rosner020c7e32011-05-31 21:28:43 +00004487 DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
4488 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004489 DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
4490 vars->line_speed, vars->duplex, vars->flow_ctrl);
4491}
4492
4493
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004494static void bnx2x_set_master_ln(struct link_params *params,
4495 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004496{
4497 struct bnx2x *bp = params->bp;
4498 u16 new_master_ln, ser_lane;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004499 ser_lane = ((params->lane_config &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004500 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004501 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004502
4503 /* set the master_ln for AN */
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_XGXS_BLOCK2,
4506 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4507 &new_master_ln);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004508
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_XGXS_BLOCK2 ,
4511 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4512 (new_master_ln | ser_lane));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004513}
4514
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004515static int bnx2x_reset_unicore(struct link_params *params,
4516 struct bnx2x_phy *phy,
4517 u8 set_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004518{
4519 struct bnx2x *bp = params->bp;
4520 u16 mii_control;
4521 u16 i;
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, &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004525
4526 /* reset the unicore */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004527 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004528 MDIO_REG_BANK_COMBO_IEEE0,
4529 MDIO_COMBO_IEEE0_MII_CONTROL,
4530 (mii_control |
4531 MDIO_COMBO_IEEO_MII_CONTROL_RESET));
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004532 if (set_serdes)
4533 bnx2x_set_serdes_access(bp, params->port);
Eilon Greensteinc1b73992009-02-12 08:37:07 +00004534
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004535 /* wait for the reset to self clear */
4536 for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
4537 udelay(5);
4538
4539 /* the reset erased the previous bank value */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004540 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004541 MDIO_REG_BANK_COMBO_IEEE0,
4542 MDIO_COMBO_IEEE0_MII_CONTROL,
4543 &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004544
4545 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
4546 udelay(5);
4547 return 0;
4548 }
4549 }
4550
Yaniv Rosner6d870c32011-01-31 04:22:20 +00004551 netdev_err(bp->dev, "Warning: PHY was not initialized,"
4552 " Port %d\n",
4553 params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004554 DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
4555 return -EINVAL;
4556
4557}
4558
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004559static void bnx2x_set_swap_lanes(struct link_params *params,
4560 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004561{
4562 struct bnx2x *bp = params->bp;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004563 /*
4564 * Each two bits represents a lane number:
4565 * No swap is 0123 => 0x1b no need to enable the swap
4566 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004567 u16 ser_lane, rx_lane_swap, tx_lane_swap;
4568
4569 ser_lane = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004570 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
4571 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004572 rx_lane_swap = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004573 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
4574 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004575 tx_lane_swap = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004576 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
4577 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004578
4579 if (rx_lane_swap != 0x1b) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004580 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004581 MDIO_REG_BANK_XGXS_BLOCK2,
4582 MDIO_XGXS_BLOCK2_RX_LN_SWAP,
4583 (rx_lane_swap |
4584 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
4585 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004586 } else {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004587 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004588 MDIO_REG_BANK_XGXS_BLOCK2,
4589 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004590 }
4591
4592 if (tx_lane_swap != 0x1b) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004593 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004594 MDIO_REG_BANK_XGXS_BLOCK2,
4595 MDIO_XGXS_BLOCK2_TX_LN_SWAP,
4596 (tx_lane_swap |
4597 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004598 } else {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004599 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004600 MDIO_REG_BANK_XGXS_BLOCK2,
4601 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004602 }
4603}
4604
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004605static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
4606 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004607{
4608 struct bnx2x *bp = params->bp;
4609 u16 control2;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004610 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004611 MDIO_REG_BANK_SERDES_DIGITAL,
4612 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4613 &control2);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004614 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02004615 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4616 else
4617 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004618 DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
4619 phy->speed_cap_mask, control2);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004620 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004621 MDIO_REG_BANK_SERDES_DIGITAL,
4622 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4623 control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004624
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004625 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00004626 (phy->speed_cap_mask &
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02004627 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004628 DP(NETIF_MSG_LINK, "XGXS\n");
4629
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004630 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004631 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4632 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
4633 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004634
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004635 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004636 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4637 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4638 &control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004639
4640
4641 control2 |=
4642 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
4643
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004644 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004645 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4646 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4647 control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004648
4649 /* Disable parallel detection of HiG */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004650 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004651 MDIO_REG_BANK_XGXS_BLOCK2,
4652 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
4653 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
4654 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004655 }
4656}
4657
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004658static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
4659 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004660 struct link_vars *vars,
4661 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004662{
4663 struct bnx2x *bp = params->bp;
4664 u16 reg_val;
4665
4666 /* CL37 Autoneg */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004667 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004668 MDIO_REG_BANK_COMBO_IEEE0,
4669 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004670
4671 /* CL37 Autoneg Enabled */
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_COMBO_IEEO_MII_CONTROL_AN_EN;
4674 else /* CL37 Autoneg Disabled */
4675 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4676 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
4677
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004678 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004679 MDIO_REG_BANK_COMBO_IEEE0,
4680 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004681
4682 /* Enable/Disable Autodetection */
4683
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004684 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004685 MDIO_REG_BANK_SERDES_DIGITAL,
4686 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00004687 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
4688 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
4689 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004690 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004691 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
4692 else
4693 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
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_SERDES_DIGITAL,
4697 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004698
4699 /* Enable TetonII and BAM autoneg */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004700 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004701 MDIO_REG_BANK_BAM_NEXT_PAGE,
4702 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004703 &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004704 if (vars->line_speed == SPEED_AUTO_NEG) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004705 /* Enable BAM aneg Mode and TetonII aneg Mode */
4706 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
4707 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
4708 } else {
4709 /* TetonII and BAM Autoneg Disabled */
4710 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
4711 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
4712 }
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004713 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004714 MDIO_REG_BANK_BAM_NEXT_PAGE,
4715 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
4716 reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004717
Eilon Greenstein239d6862009-08-12 08:23:04 +00004718 if (enable_cl73) {
4719 /* Enable Cl73 FSM status bits */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004720 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004721 MDIO_REG_BANK_CL73_USERB0,
4722 MDIO_CL73_USERB0_CL73_UCTRL,
4723 0xe);
Eilon Greenstein239d6862009-08-12 08:23:04 +00004724
4725 /* Enable BAM Station Manager*/
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004726 CL22_WR_OVER_CL45(bp, phy,
Eilon Greenstein239d6862009-08-12 08:23:04 +00004727 MDIO_REG_BANK_CL73_USERB0,
4728 MDIO_CL73_USERB0_CL73_BAM_CTRL1,
4729 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
4730 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
4731 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
4732
Yaniv Rosner7846e472009-11-05 19:18:07 +02004733 /* Advertise CL73 link speeds */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004734 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004735 MDIO_REG_BANK_CL73_IEEEB1,
4736 MDIO_CL73_IEEEB1_AN_ADV2,
4737 &reg_val);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004738 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02004739 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
4740 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004741 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02004742 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
4743 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
Eilon Greenstein239d6862009-08-12 08:23:04 +00004744
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004745 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004746 MDIO_REG_BANK_CL73_IEEEB1,
4747 MDIO_CL73_IEEEB1_AN_ADV2,
4748 reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00004749
Eilon Greenstein239d6862009-08-12 08:23:04 +00004750 /* CL73 Autoneg Enabled */
4751 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
4752
4753 } else /* CL73 Autoneg Disabled */
4754 reg_val = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004755
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004756 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004757 MDIO_REG_BANK_CL73_IEEEB0,
4758 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004759}
4760
4761/* program SerDes, forced speed */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004762static void bnx2x_program_serdes(struct bnx2x_phy *phy,
4763 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004764 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004765{
4766 struct bnx2x *bp = params->bp;
4767 u16 reg_val;
4768
Eilon Greenstein57937202009-08-12 08:23:53 +00004769 /* program duplex, disable autoneg and sgmii*/
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004770 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004771 MDIO_REG_BANK_COMBO_IEEE0,
4772 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004773 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
Eilon Greenstein57937202009-08-12 08:23:53 +00004774 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4775 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004776 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004777 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004778 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004779 MDIO_REG_BANK_COMBO_IEEE0,
4780 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004781
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004782 /*
4783 * program speed
4784 * - needed only if the speed is greater than 1G (2.5G or 10G)
4785 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004786 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004787 MDIO_REG_BANK_SERDES_DIGITAL,
4788 MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004789 /* clearing the speed value before setting the right speed */
4790 DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
4791
4792 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
4793 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
4794
4795 if (!((vars->line_speed == SPEED_1000) ||
4796 (vars->line_speed == SPEED_100) ||
4797 (vars->line_speed == SPEED_10))) {
4798
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004799 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
4800 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004801 if (vars->line_speed == SPEED_10000)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004802 reg_val |=
4803 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004804 }
4805
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004806 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004807 MDIO_REG_BANK_SERDES_DIGITAL,
4808 MDIO_SERDES_DIGITAL_MISC1, reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004809
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004810}
4811
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00004812static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
4813 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004814{
4815 struct bnx2x *bp = params->bp;
4816 u16 val = 0;
4817
4818 /* configure the 48 bits for BAM AN */
4819
4820 /* set extended capabilities */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004821 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004822 val |= MDIO_OVER_1G_UP1_2_5G;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004823 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004824 val |= MDIO_OVER_1G_UP1_10G;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004825 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004826 MDIO_REG_BANK_OVER_1G,
4827 MDIO_OVER_1G_UP1, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004828
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004829 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004830 MDIO_REG_BANK_OVER_1G,
4831 MDIO_OVER_1G_UP3, 0x400);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004832}
4833
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00004834static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
4835 struct link_params *params,
4836 u16 ieee_fc)
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004837{
4838 struct bnx2x *bp = params->bp;
Yaniv Rosner7846e472009-11-05 19:18:07 +02004839 u16 val;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004840 /* for AN, we are always publishing full duplex */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004841
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004842 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004843 MDIO_REG_BANK_COMBO_IEEE0,
4844 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004845 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004846 MDIO_REG_BANK_CL73_IEEEB1,
4847 MDIO_CL73_IEEEB1_AN_ADV1, &val);
Yaniv Rosner7846e472009-11-05 19:18:07 +02004848 val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
4849 val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004850 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004851 MDIO_REG_BANK_CL73_IEEEB1,
4852 MDIO_CL73_IEEEB1_AN_ADV1, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004853}
4854
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004855static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
4856 struct link_params *params,
4857 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004858{
4859 struct bnx2x *bp = params->bp;
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00004860 u16 mii_control;
Eilon Greenstein239d6862009-08-12 08:23:04 +00004861
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004862 DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00004863 /* Enable and restart BAM/CL37 aneg */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004864
Eilon Greenstein239d6862009-08-12 08:23:04 +00004865 if (enable_cl73) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004866 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004867 MDIO_REG_BANK_CL73_IEEEB0,
4868 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
4869 &mii_control);
Eilon Greenstein239d6862009-08-12 08:23:04 +00004870
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004871 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004872 MDIO_REG_BANK_CL73_IEEEB0,
4873 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
4874 (mii_control |
4875 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
4876 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
Eilon Greenstein239d6862009-08-12 08:23:04 +00004877 } else {
4878
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004879 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004880 MDIO_REG_BANK_COMBO_IEEE0,
4881 MDIO_COMBO_IEEE0_MII_CONTROL,
4882 &mii_control);
Eilon Greenstein239d6862009-08-12 08:23:04 +00004883 DP(NETIF_MSG_LINK,
4884 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
4885 mii_control);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004886 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004887 MDIO_REG_BANK_COMBO_IEEE0,
4888 MDIO_COMBO_IEEE0_MII_CONTROL,
4889 (mii_control |
4890 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4891 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
Eilon Greenstein239d6862009-08-12 08:23:04 +00004892 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004893}
4894
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004895static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
4896 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004897 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004898{
4899 struct bnx2x *bp = params->bp;
4900 u16 control1;
4901
4902 /* in SGMII mode, the unicore is always slave */
4903
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004904 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004905 MDIO_REG_BANK_SERDES_DIGITAL,
4906 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
4907 &control1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004908 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
4909 /* set sgmii mode (and not fiber) */
4910 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
4911 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
4912 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004913 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004914 MDIO_REG_BANK_SERDES_DIGITAL,
4915 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
4916 control1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004917
4918 /* if forced speed */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004919 if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004920 /* set speed, disable autoneg */
4921 u16 mii_control;
4922
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004923 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004924 MDIO_REG_BANK_COMBO_IEEE0,
4925 MDIO_COMBO_IEEE0_MII_CONTROL,
4926 &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004927 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4928 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
4929 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
4930
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004931 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004932 case SPEED_100:
4933 mii_control |=
4934 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
4935 break;
4936 case SPEED_1000:
4937 mii_control |=
4938 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
4939 break;
4940 case SPEED_10:
4941 /* there is nothing to set for 10M */
4942 break;
4943 default:
4944 /* invalid speed for SGMII */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004945 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
4946 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004947 break;
4948 }
4949
4950 /* setting the full duplex */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004951 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004952 mii_control |=
4953 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004954 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004955 MDIO_REG_BANK_COMBO_IEEE0,
4956 MDIO_COMBO_IEEE0_MII_CONTROL,
4957 mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004958
4959 } else { /* AN mode */
4960 /* enable and restart AN */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004961 bnx2x_restart_autoneg(phy, params, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004962 }
4963}
4964
4965
4966/*
4967 * link management
4968 */
4969
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004970static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
4971 struct link_params *params)
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02004972{
4973 struct bnx2x *bp = params->bp;
4974 u16 pd_10g, status2_1000x;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004975 if (phy->req_line_speed != SPEED_AUTO_NEG)
4976 return 0;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004977 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004978 MDIO_REG_BANK_SERDES_DIGITAL,
4979 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
4980 &status2_1000x);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004981 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004982 MDIO_REG_BANK_SERDES_DIGITAL,
4983 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
4984 &status2_1000x);
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02004985 if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
4986 DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
4987 params->port);
4988 return 1;
4989 }
4990
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004991 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004992 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4993 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
4994 &pd_10g);
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02004995
4996 if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
4997 DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
4998 params->port);
4999 return 1;
5000 }
5001 return 0;
5002}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005003
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005004static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
5005 struct link_params *params,
5006 struct link_vars *vars,
5007 u32 gp_status)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005008{
5009 struct bnx2x *bp = params->bp;
Eilon Greenstein3196a882008-08-13 15:58:49 -07005010 u16 ld_pause; /* local driver */
5011 u16 lp_pause; /* link partner */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005012 u16 pause_result;
5013
David S. Millerc0700f92008-12-16 23:53:20 -08005014 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005015
5016 /* resolve from gp_status in case of AN complete and not sgmii */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005017 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
5018 vars->flow_ctrl = phy->req_flow_ctrl;
5019 else if (phy->req_line_speed != SPEED_AUTO_NEG)
5020 vars->flow_ctrl = params->req_fc_auto_adv;
5021 else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
5022 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005023 if (bnx2x_direct_parallel_detect_used(phy, params)) {
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02005024 vars->flow_ctrl = params->req_fc_auto_adv;
5025 return;
5026 }
Yaniv Rosner7846e472009-11-05 19:18:07 +02005027 if ((gp_status &
5028 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5029 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
5030 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5031 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
5032
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005033 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005034 MDIO_REG_BANK_CL73_IEEEB1,
5035 MDIO_CL73_IEEEB1_AN_ADV1,
5036 &ld_pause);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005037 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005038 MDIO_REG_BANK_CL73_IEEEB1,
5039 MDIO_CL73_IEEEB1_AN_LP_ADV1,
5040 &lp_pause);
Yaniv Rosner7846e472009-11-05 19:18:07 +02005041 pause_result = (ld_pause &
5042 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
5043 >> 8;
5044 pause_result |= (lp_pause &
5045 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
5046 >> 10;
5047 DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
5048 pause_result);
5049 } else {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005050 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005051 MDIO_REG_BANK_COMBO_IEEE0,
5052 MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
5053 &ld_pause);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005054 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005055 MDIO_REG_BANK_COMBO_IEEE0,
5056 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
5057 &lp_pause);
Yaniv Rosner7846e472009-11-05 19:18:07 +02005058 pause_result = (ld_pause &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005059 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
Yaniv Rosner7846e472009-11-05 19:18:07 +02005060 pause_result |= (lp_pause &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005061 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
Yaniv Rosner7846e472009-11-05 19:18:07 +02005062 DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
5063 pause_result);
5064 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005065 bnx2x_pause_resolve(vars, pause_result);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005066 }
5067 DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
5068}
5069
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005070static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
5071 struct link_params *params)
Eilon Greenstein239d6862009-08-12 08:23:04 +00005072{
5073 struct bnx2x *bp = params->bp;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005074 u16 rx_status, ustat_val, cl37_fsm_received;
Eilon Greenstein239d6862009-08-12 08:23:04 +00005075 DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
5076 /* Step 1: Make sure signal is detected */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005077 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005078 MDIO_REG_BANK_RX0,
5079 MDIO_RX0_RX_STATUS,
5080 &rx_status);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005081 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
5082 (MDIO_RX0_RX_STATUS_SIGDET)) {
5083 DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
5084 "rx_status(0x80b0) = 0x%x\n", rx_status);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005085 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005086 MDIO_REG_BANK_CL73_IEEEB0,
5087 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5088 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005089 return;
5090 }
5091 /* Step 2: Check CL73 state machine */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005092 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005093 MDIO_REG_BANK_CL73_USERB0,
5094 MDIO_CL73_USERB0_CL73_USTAT1,
5095 &ustat_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005096 if ((ustat_val &
5097 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5098 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
5099 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5100 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
5101 DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
5102 "ustat_val(0x8371) = 0x%x\n", ustat_val);
5103 return;
5104 }
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005105 /*
5106 * Step 3: Check CL37 Message Pages received to indicate LP
5107 * supports only CL37
5108 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005109 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005110 MDIO_REG_BANK_REMOTE_PHY,
5111 MDIO_REMOTE_PHY_MISC_RX_STATUS,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005112 &cl37_fsm_received);
5113 if ((cl37_fsm_received &
Eilon Greenstein239d6862009-08-12 08:23:04 +00005114 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5115 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
5116 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5117 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
5118 DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
5119 "misc_rx_status(0x8330) = 0x%x\n",
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005120 cl37_fsm_received);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005121 return;
5122 }
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005123 /*
5124 * The combined cl37/cl73 fsm state information indicating that
5125 * we are connected to a device which does not support cl73, but
5126 * does support cl37 BAM. In this case we disable cl73 and
5127 * restart cl37 auto-neg
5128 */
5129
Eilon Greenstein239d6862009-08-12 08:23:04 +00005130 /* Disable CL73 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005131 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005132 MDIO_REG_BANK_CL73_IEEEB0,
5133 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5134 0);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005135 /* Restart CL37 autoneg */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005136 bnx2x_restart_autoneg(phy, params, 0);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005137 DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
5138}
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005139
5140static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
5141 struct link_params *params,
5142 struct link_vars *vars,
5143 u32 gp_status)
5144{
5145 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
5146 vars->link_status |=
5147 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5148
5149 if (bnx2x_direct_parallel_detect_used(phy, params))
5150 vars->link_status |=
5151 LINK_STATUS_PARALLEL_DETECTION_USED;
5152}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005153static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
5154 struct link_params *params,
5155 struct link_vars *vars,
5156 u16 is_link_up,
5157 u16 speed_mask,
5158 u16 is_duplex)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005159{
5160 struct bnx2x *bp = params->bp;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005161 if (phy->req_line_speed == SPEED_AUTO_NEG)
5162 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005163 if (is_link_up) {
5164 DP(NETIF_MSG_LINK, "phy link up\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005165
5166 vars->phy_link_up = 1;
5167 vars->link_status |= LINK_STATUS_LINK_UP;
5168
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005169 switch (speed_mask) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005170 case GP_STATUS_10M:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005171 vars->line_speed = SPEED_10;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005172 if (vars->duplex == DUPLEX_FULL)
5173 vars->link_status |= LINK_10TFD;
5174 else
5175 vars->link_status |= LINK_10THD;
5176 break;
5177
5178 case GP_STATUS_100M:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005179 vars->line_speed = SPEED_100;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005180 if (vars->duplex == DUPLEX_FULL)
5181 vars->link_status |= LINK_100TXFD;
5182 else
5183 vars->link_status |= LINK_100TXHD;
5184 break;
5185
5186 case GP_STATUS_1G:
5187 case GP_STATUS_1G_KX:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005188 vars->line_speed = SPEED_1000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005189 if (vars->duplex == DUPLEX_FULL)
5190 vars->link_status |= LINK_1000TFD;
5191 else
5192 vars->link_status |= LINK_1000THD;
5193 break;
5194
5195 case GP_STATUS_2_5G:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005196 vars->line_speed = SPEED_2500;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005197 if (vars->duplex == DUPLEX_FULL)
5198 vars->link_status |= LINK_2500TFD;
5199 else
5200 vars->link_status |= LINK_2500THD;
5201 break;
5202
5203 case GP_STATUS_5G:
5204 case GP_STATUS_6G:
5205 DP(NETIF_MSG_LINK,
5206 "link speed unsupported gp_status 0x%x\n",
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005207 speed_mask);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005208 return -EINVAL;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005209
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005210 case GP_STATUS_10G_KX4:
5211 case GP_STATUS_10G_HIG:
5212 case GP_STATUS_10G_CX4:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005213 case GP_STATUS_10G_KR:
5214 case GP_STATUS_10G_SFI:
5215 case GP_STATUS_10G_XFI:
5216 vars->line_speed = SPEED_10000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005217 vars->link_status |= LINK_10GTFD;
5218 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005219 case GP_STATUS_20G_DXGXS:
5220 vars->line_speed = SPEED_20000;
5221 vars->link_status |= LINK_20GTFD;
5222 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005223 default:
5224 DP(NETIF_MSG_LINK,
5225 "link speed unsupported gp_status 0x%x\n",
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005226 speed_mask);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005227 return -EINVAL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005228 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005229 } else { /* link_down */
5230 DP(NETIF_MSG_LINK, "phy link down\n");
5231
5232 vars->phy_link_up = 0;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005233
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005234 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08005235 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005236 vars->mac_type = MAC_TYPE_NONE;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005237 }
5238 DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
5239 vars->phy_link_up, vars->line_speed);
5240 return 0;
5241}
Eilon Greenstein239d6862009-08-12 08:23:04 +00005242
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005243static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
5244 struct link_params *params,
5245 struct link_vars *vars)
5246{
5247
5248 struct bnx2x *bp = params->bp;
5249
5250 u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
5251 int rc = 0;
5252
5253 /* Read gp_status */
5254 CL22_RD_OVER_CL45(bp, phy,
5255 MDIO_REG_BANK_GP_STATUS,
5256 MDIO_GP_STATUS_TOP_AN_STATUS1,
5257 &gp_status);
5258 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
5259 duplex = DUPLEX_FULL;
5260 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
5261 link_up = 1;
5262 speed_mask = gp_status & GP_STATUS_SPEED_MASK;
5263 DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
5264 gp_status, link_up, speed_mask);
5265 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
5266 duplex);
5267 if (rc == -EINVAL)
5268 return rc;
5269
5270 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
5271 if (SINGLE_MEDIA_DIRECT(params)) {
5272 bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
5273 if (phy->req_line_speed == SPEED_AUTO_NEG)
5274 bnx2x_xgxs_an_resolve(phy, params, vars,
5275 gp_status);
5276 }
5277 } else { /* link_down */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005278 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5279 SINGLE_MEDIA_DIRECT(params)) {
Eilon Greenstein239d6862009-08-12 08:23:04 +00005280 /* Check signal is detected */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005281 bnx2x_check_fallback_to_cl37(phy, params);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005282 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005283 }
5284
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005285 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5286 vars->duplex, vars->flow_ctrl, vars->link_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005287 return rc;
5288}
5289
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005290static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
5291 struct link_params *params,
5292 struct link_vars *vars)
5293{
5294
5295 struct bnx2x *bp = params->bp;
5296
5297 u8 lane;
5298 u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
5299 int rc = 0;
5300 lane = bnx2x_get_warpcore_lane(phy, params);
5301 /* Read gp_status */
5302 if (phy->req_line_speed > SPEED_10000) {
5303 u16 temp_link_up;
5304 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5305 1, &temp_link_up);
5306 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5307 1, &link_up);
5308 DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
5309 temp_link_up, link_up);
5310 link_up &= (1<<2);
5311 if (link_up)
5312 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5313 } else {
5314 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5315 MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
5316 DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
5317 /* Check for either KR or generic link up. */
5318 gp_status1 = ((gp_status1 >> 8) & 0xf) |
5319 ((gp_status1 >> 12) & 0xf);
5320 link_up = gp_status1 & (1 << lane);
5321 if (link_up && SINGLE_MEDIA_DIRECT(params)) {
5322 u16 pd, gp_status4;
5323 if (phy->req_line_speed == SPEED_AUTO_NEG) {
5324 /* Check Autoneg complete */
5325 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5326 MDIO_WC_REG_GP2_STATUS_GP_2_4,
5327 &gp_status4);
5328 if (gp_status4 & ((1<<12)<<lane))
5329 vars->link_status |=
5330 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5331
5332 /* Check parallel detect used */
5333 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5334 MDIO_WC_REG_PAR_DET_10G_STATUS,
5335 &pd);
5336 if (pd & (1<<15))
5337 vars->link_status |=
5338 LINK_STATUS_PARALLEL_DETECTION_USED;
5339 }
5340 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5341 }
5342 }
5343
5344 if (lane < 2) {
5345 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5346 MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
5347 } else {
5348 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5349 MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
5350 }
5351 DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
5352
5353 if ((lane & 1) == 0)
5354 gp_speed <<= 8;
5355 gp_speed &= 0x3f00;
5356
5357
5358 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
5359 duplex);
5360
5361 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5362 vars->duplex, vars->flow_ctrl, vars->link_status);
5363 return rc;
5364}
Eilon Greensteined8680a2009-02-12 08:37:12 +00005365static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005366{
5367 struct bnx2x *bp = params->bp;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005368 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005369 u16 lp_up2;
5370 u16 tx_driver;
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005371 u16 bank;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005372
5373 /* read precomp */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005374 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005375 MDIO_REG_BANK_OVER_1G,
5376 MDIO_OVER_1G_LP_UP2, &lp_up2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005377
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005378 /* bits [10:7] at lp_up2, positioned at [15:12] */
5379 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
5380 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
5381 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
5382
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005383 if (lp_up2 == 0)
5384 return;
5385
5386 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
5387 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005388 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005389 bank,
5390 MDIO_TX0_TX_DRIVER, &tx_driver);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005391
5392 /* replace tx_driver bits [15:12] */
5393 if (lp_up2 !=
5394 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
5395 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
5396 tx_driver |= lp_up2;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005397 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005398 bank,
5399 MDIO_TX0_TX_DRIVER, tx_driver);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005400 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005401 }
5402}
5403
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005404static int bnx2x_emac_program(struct link_params *params,
5405 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005406{
5407 struct bnx2x *bp = params->bp;
5408 u8 port = params->port;
5409 u16 mode = 0;
5410
5411 DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
5412 bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005413 EMAC_REG_EMAC_MODE,
5414 (EMAC_MODE_25G_MODE |
5415 EMAC_MODE_PORT_MII_10M |
5416 EMAC_MODE_HALF_DUPLEX));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005417 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005418 case SPEED_10:
5419 mode |= EMAC_MODE_PORT_MII_10M;
5420 break;
5421
5422 case SPEED_100:
5423 mode |= EMAC_MODE_PORT_MII;
5424 break;
5425
5426 case SPEED_1000:
5427 mode |= EMAC_MODE_PORT_GMII;
5428 break;
5429
5430 case SPEED_2500:
5431 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
5432 break;
5433
5434 default:
5435 /* 10G not valid for EMAC */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005436 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5437 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005438 return -EINVAL;
5439 }
5440
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005441 if (vars->duplex == DUPLEX_HALF)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005442 mode |= EMAC_MODE_HALF_DUPLEX;
5443 bnx2x_bits_en(bp,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005444 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
5445 mode);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005446
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005447 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005448 return 0;
5449}
5450
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005451static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
5452 struct link_params *params)
5453{
5454
5455 u16 bank, i = 0;
5456 struct bnx2x *bp = params->bp;
5457
5458 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
5459 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005460 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005461 bank,
5462 MDIO_RX0_RX_EQ_BOOST,
5463 phy->rx_preemphasis[i]);
5464 }
5465
5466 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
5467 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005468 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005469 bank,
5470 MDIO_TX0_TX_DRIVER,
5471 phy->tx_preemphasis[i]);
5472 }
5473}
5474
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005475static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
5476 struct link_params *params,
5477 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005478{
5479 struct bnx2x *bp = params->bp;
5480 u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
5481 (params->loopback_mode == LOOPBACK_XGXS));
5482 if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
5483 if (SINGLE_MEDIA_DIRECT(params) &&
5484 (params->feature_config_flags &
5485 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
5486 bnx2x_set_preemphasis(phy, params);
5487
5488 /* forced speed requested? */
5489 if (vars->line_speed != SPEED_AUTO_NEG ||
5490 (SINGLE_MEDIA_DIRECT(params) &&
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005491 params->loopback_mode == LOOPBACK_EXT)) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005492 DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
5493
5494 /* disable autoneg */
5495 bnx2x_set_autoneg(phy, params, vars, 0);
5496
5497 /* program speed and duplex */
5498 bnx2x_program_serdes(phy, params, vars);
5499
5500 } else { /* AN_mode */
5501 DP(NETIF_MSG_LINK, "not SGMII, AN\n");
5502
5503 /* AN enabled */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005504 bnx2x_set_brcm_cl37_advertisement(phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005505
5506 /* program duplex & pause advertisement (for aneg) */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005507 bnx2x_set_ieee_aneg_advertisement(phy, params,
5508 vars->ieee_fc);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005509
5510 /* enable autoneg */
5511 bnx2x_set_autoneg(phy, params, vars, enable_cl73);
5512
5513 /* enable and restart AN */
5514 bnx2x_restart_autoneg(phy, params, enable_cl73);
5515 }
5516
5517 } else { /* SGMII mode */
5518 DP(NETIF_MSG_LINK, "SGMII\n");
5519
5520 bnx2x_initialize_sgmii_process(phy, params, vars);
5521 }
5522}
5523
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005524static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
5525 struct link_params *params,
5526 struct link_vars *vars)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005527{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005528 int rc;
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005529 vars->phy_flags |= PHY_XGXS_FLAG;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005530 if ((phy->req_line_speed &&
5531 ((phy->req_line_speed == SPEED_100) ||
5532 (phy->req_line_speed == SPEED_10))) ||
5533 (!phy->req_line_speed &&
5534 (phy->speed_cap_mask >=
5535 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
5536 (phy->speed_cap_mask <
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005537 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5538 (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005539 vars->phy_flags |= PHY_SGMII_FLAG;
5540 else
5541 vars->phy_flags &= ~PHY_SGMII_FLAG;
5542
5543 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005544 bnx2x_set_aer_mmd(params, phy);
5545 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
5546 bnx2x_set_master_ln(params, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005547
5548 rc = bnx2x_reset_unicore(params, phy, 0);
5549 /* reset the SerDes and wait for reset bit return low */
5550 if (rc != 0)
5551 return rc;
5552
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005553 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005554 /* setting the masterLn_def again after the reset */
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005555 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
5556 bnx2x_set_master_ln(params, phy);
5557 bnx2x_set_swap_lanes(params, phy);
5558 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005559
5560 return rc;
5561}
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005562
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005563static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
Yaniv Rosner6d870c32011-01-31 04:22:20 +00005564 struct bnx2x_phy *phy,
5565 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005566{
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005567 u16 cnt, ctrl;
Lucas De Marchi25985ed2011-03-30 22:57:33 -03005568 /* Wait for soft reset to get cleared up to 1 sec */
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005569 for (cnt = 0; cnt < 1000; cnt++) {
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +00005570 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
Yaniv Rosner6583e332011-06-14 01:34:17 +00005571 bnx2x_cl22_read(bp, phy,
5572 MDIO_PMA_REG_CTRL, &ctrl);
5573 else
5574 bnx2x_cl45_read(bp, phy,
5575 MDIO_PMA_DEVAD,
5576 MDIO_PMA_REG_CTRL, &ctrl);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005577 if (!(ctrl & (1<<15)))
5578 break;
5579 msleep(1);
5580 }
Yaniv Rosner6d870c32011-01-31 04:22:20 +00005581
5582 if (cnt == 1000)
5583 netdev_err(bp->dev, "Warning: PHY was not initialized,"
5584 " Port %d\n",
5585 params->port);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005586 DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
5587 return cnt;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005588}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005589
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005590static void bnx2x_link_int_enable(struct link_params *params)
5591{
5592 u8 port = params->port;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005593 u32 mask;
5594 struct bnx2x *bp = params->bp;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005595
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005596 /* Setting the status to report on link up for either XGXS or SerDes */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005597 if (CHIP_IS_E3(bp)) {
5598 mask = NIG_MASK_XGXS0_LINK_STATUS;
5599 if (!(SINGLE_MEDIA_DIRECT(params)))
5600 mask |= NIG_MASK_MI_INT;
5601 } else if (params->switch_cfg == SWITCH_CFG_10G) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005602 mask = (NIG_MASK_XGXS0_LINK10G |
5603 NIG_MASK_XGXS0_LINK_STATUS);
5604 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005605 if (!(SINGLE_MEDIA_DIRECT(params)) &&
5606 params->phy[INT_PHY].type !=
5607 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005608 mask |= NIG_MASK_MI_INT;
5609 DP(NETIF_MSG_LINK, "enabled external phy int\n");
5610 }
5611
5612 } else { /* SerDes */
5613 mask = NIG_MASK_SERDES0_LINK_STATUS;
5614 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005615 if (!(SINGLE_MEDIA_DIRECT(params)) &&
5616 params->phy[INT_PHY].type !=
5617 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005618 mask |= NIG_MASK_MI_INT;
5619 DP(NETIF_MSG_LINK, "enabled external phy int\n");
5620 }
5621 }
5622 bnx2x_bits_en(bp,
5623 NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
5624 mask);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005625
5626 DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005627 (params->switch_cfg == SWITCH_CFG_10G),
5628 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005629 DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
5630 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
5631 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
5632 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
5633 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
5634 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
5635 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
5636}
5637
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005638static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
5639 u8 exp_mi_int)
Eilon Greenstein2f904462009-08-12 08:22:16 +00005640{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005641 u32 latch_status = 0;
5642
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005643 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005644 * Disable the MI INT ( external phy int ) by writing 1 to the
5645 * status register. Link down indication is high-active-signal,
5646 * so in this case we need to write the status to clear the XOR
Eilon Greenstein2f904462009-08-12 08:22:16 +00005647 */
5648 /* Read Latched signals */
5649 latch_status = REG_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005650 NIG_REG_LATCH_STATUS_0 + port*8);
5651 DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
Eilon Greenstein2f904462009-08-12 08:22:16 +00005652 /* Handle only those with latched-signal=up.*/
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005653 if (exp_mi_int)
5654 bnx2x_bits_en(bp,
5655 NIG_REG_STATUS_INTERRUPT_PORT0
5656 + port*4,
5657 NIG_STATUS_EMAC0_MI_INT);
5658 else
5659 bnx2x_bits_dis(bp,
5660 NIG_REG_STATUS_INTERRUPT_PORT0
5661 + port*4,
5662 NIG_STATUS_EMAC0_MI_INT);
5663
Eilon Greenstein2f904462009-08-12 08:22:16 +00005664 if (latch_status & 1) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005665
Eilon Greenstein2f904462009-08-12 08:22:16 +00005666 /* For all latched-signal=up : Re-Arm Latch signals */
5667 REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005668 (latch_status & 0xfffe) | (latch_status & 1));
Eilon Greenstein2f904462009-08-12 08:22:16 +00005669 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005670 /* For all latched-signal=up,Write original_signal to status */
Eilon Greenstein2f904462009-08-12 08:22:16 +00005671}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005672
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005673static void bnx2x_link_int_ack(struct link_params *params,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005674 struct link_vars *vars, u8 is_10g_plus)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005675{
5676 struct bnx2x *bp = params->bp;
5677 u8 port = params->port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005678 u32 mask;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005679 /*
5680 * First reset all status we assume only one line will be
5681 * change at a time
5682 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005683 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005684 (NIG_STATUS_XGXS0_LINK10G |
5685 NIG_STATUS_XGXS0_LINK_STATUS |
5686 NIG_STATUS_SERDES0_LINK_STATUS));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005687 if (vars->phy_link_up) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005688 if (USES_WARPCORE(bp))
5689 mask = NIG_STATUS_XGXS0_LINK_STATUS;
5690 else {
5691 if (is_10g_plus)
5692 mask = NIG_STATUS_XGXS0_LINK10G;
5693 else if (params->switch_cfg == SWITCH_CFG_10G) {
5694 /*
5695 * Disable the link interrupt by writing 1 to
5696 * the relevant lane in the status register
5697 */
5698 u32 ser_lane =
5699 ((params->lane_config &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005700 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
5701 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005702 mask = ((1 << ser_lane) <<
5703 NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
5704 } else
5705 mask = NIG_STATUS_SERDES0_LINK_STATUS;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005706 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005707 DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
5708 mask);
5709 bnx2x_bits_en(bp,
5710 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
5711 mask);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005712 }
5713}
5714
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005715static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005716{
5717 u8 *str_ptr = str;
5718 u32 mask = 0xf0000000;
5719 u8 shift = 8*4;
5720 u8 digit;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005721 u8 remove_leading_zeros = 1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005722 if (*len < 10) {
Frederik Schwarzer025dfda2008-10-16 19:02:37 +02005723 /* Need more than 10chars for this format */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005724 *str_ptr = '\0';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005725 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005726 return -EINVAL;
5727 }
5728 while (shift > 0) {
5729
5730 shift -= 4;
5731 digit = ((num & mask) >> shift);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005732 if (digit == 0 && remove_leading_zeros) {
5733 mask = mask >> 4;
5734 continue;
5735 } else if (digit < 0xa)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005736 *str_ptr = digit + '0';
5737 else
5738 *str_ptr = digit - 0xa + 'a';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005739 remove_leading_zeros = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005740 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005741 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005742 mask = mask >> 4;
5743 if (shift == 4*4) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005744 *str_ptr = '.';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005745 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005746 (*len)--;
5747 remove_leading_zeros = 1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005748 }
5749 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005750 return 0;
5751}
5752
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005753
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005754static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005755{
5756 str[0] = '\0';
5757 (*len)--;
5758 return 0;
5759}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005760
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005761int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
5762 u8 *version, u16 len)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005763{
Julia Lawall0376d5b2009-07-19 05:26:35 +00005764 struct bnx2x *bp;
Eilon Greensteina35da8d2009-02-12 08:37:02 +00005765 u32 spirom_ver = 0;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005766 int status = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005767 u8 *ver_p = version;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005768 u16 remain_len = len;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005769 if (version == NULL || params == NULL)
5770 return -EINVAL;
Julia Lawall0376d5b2009-07-19 05:26:35 +00005771 bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005772
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005773 /* Extract first external phy*/
5774 version[0] = '\0';
5775 spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
Eilon Greensteina35da8d2009-02-12 08:37:02 +00005776
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005777 if (params->phy[EXT_PHY1].format_fw_ver) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005778 status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
5779 ver_p,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005780 &remain_len);
5781 ver_p += (len - remain_len);
5782 }
5783 if ((params->num_phys == MAX_PHYS) &&
5784 (params->phy[EXT_PHY2].ver_addr != 0)) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005785 spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005786 if (params->phy[EXT_PHY2].format_fw_ver) {
5787 *ver_p = '/';
5788 ver_p++;
5789 remain_len--;
5790 status |= params->phy[EXT_PHY2].format_fw_ver(
5791 spirom_ver,
5792 ver_p,
5793 &remain_len);
5794 ver_p = version + (len - remain_len);
5795 }
5796 }
5797 *ver_p = '\0';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005798 return status;
5799}
5800
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005801static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005802 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005803{
5804 u8 port = params->port;
5805 struct bnx2x *bp = params->bp;
5806
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005807 if (phy->req_line_speed != SPEED_1000) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005808 u32 md_devad = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005809
5810 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
5811
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005812 if (!CHIP_IS_E3(bp)) {
5813 /* change the uni_phy_addr in the nig */
5814 md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
5815 port*0x18));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005816
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005817 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
5818 0x5);
5819 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005820
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005821 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005822 5,
5823 (MDIO_REG_BANK_AER_BLOCK +
5824 (MDIO_AER_BLOCK_AER_REG & 0xf)),
5825 0x2800);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005826
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005827 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005828 5,
5829 (MDIO_REG_BANK_CL73_IEEEB0 +
5830 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
5831 0x6041);
Eilon Greenstein38582762009-01-14 06:44:16 +00005832 msleep(200);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005833 /* set aer mmd back */
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005834 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005835
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005836 if (!CHIP_IS_E3(bp)) {
5837 /* and md_devad */
5838 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
5839 md_devad);
5840 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005841 } else {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005842 u16 mii_ctrl;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005843 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005844 bnx2x_cl45_read(bp, phy, 5,
5845 (MDIO_REG_BANK_COMBO_IEEE0 +
5846 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
5847 &mii_ctrl);
5848 bnx2x_cl45_write(bp, phy, 5,
5849 (MDIO_REG_BANK_COMBO_IEEE0 +
5850 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
5851 mii_ctrl |
5852 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005853 }
5854}
5855
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005856int bnx2x_set_led(struct link_params *params,
5857 struct link_vars *vars, u8 mode, u32 speed)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005858{
Yaniv Rosner7846e472009-11-05 19:18:07 +02005859 u8 port = params->port;
5860 u16 hw_led_mode = params->hw_led_mode;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005861 int rc = 0;
5862 u8 phy_idx;
Eilon Greenstein345b5d52008-08-13 15:58:12 -07005863 u32 tmp;
5864 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Yaniv Rosner7846e472009-11-05 19:18:07 +02005865 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005866 DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
5867 DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
5868 speed, hw_led_mode);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005869 /* In case */
5870 for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
5871 if (params->phy[phy_idx].set_link_led) {
5872 params->phy[phy_idx].set_link_led(
5873 &params->phy[phy_idx], params, mode);
5874 }
5875 }
5876
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005877 switch (mode) {
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005878 case LED_MODE_FRONT_PANEL_OFF:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005879 case LED_MODE_OFF:
5880 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
5881 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005882 SHARED_HW_CFG_LED_MAC1);
Eilon Greenstein345b5d52008-08-13 15:58:12 -07005883
5884 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005885 EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005886 break;
5887
5888 case LED_MODE_OPER:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005889 /*
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005890 * For all other phys, OPER mode is same as ON, so in case
5891 * link is down, do nothing
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005892 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005893 if (!vars->link_up)
5894 break;
5895 case LED_MODE_ON:
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00005896 if (((params->phy[EXT_PHY1].type ==
5897 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
5898 (params->phy[EXT_PHY1].type ==
5899 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
Yaniv Rosner1f483532011-01-18 04:33:31 +00005900 CHIP_IS_E2(bp) && params->num_phys == 2) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005901 /*
5902 * This is a work-around for E2+8727 Configurations
5903 */
Yaniv Rosner1f483532011-01-18 04:33:31 +00005904 if (mode == LED_MODE_ON ||
5905 speed == SPEED_10000){
5906 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
5907 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
5908
5909 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
5910 EMAC_WR(bp, EMAC_REG_EMAC_LED,
5911 (tmp | EMAC_LED_OVERRIDE));
5912 return rc;
5913 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005914 } else if (SINGLE_MEDIA_DIRECT(params) &&
5915 (CHIP_IS_E1x(bp) ||
5916 CHIP_IS_E2(bp))) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005917 /*
5918 * This is a work-around for HW issue found when link
5919 * is up in CL73
5920 */
Yaniv Rosner7846e472009-11-05 19:18:07 +02005921 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
5922 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
5923 } else {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005924 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
Yaniv Rosner7846e472009-11-05 19:18:07 +02005925 }
5926
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005927 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005928 /* Set blinking rate to ~15.9Hz */
5929 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005930 LED_BLINK_RATE_VAL);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005931 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005932 port*4, 1);
Eilon Greenstein345b5d52008-08-13 15:58:12 -07005933 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005934 EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
Eilon Greenstein345b5d52008-08-13 15:58:12 -07005935
Yaniv Rosner7846e472009-11-05 19:18:07 +02005936 if (CHIP_IS_E1(bp) &&
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005937 ((speed == SPEED_2500) ||
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005938 (speed == SPEED_1000) ||
5939 (speed == SPEED_100) ||
5940 (speed == SPEED_10))) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005941 /*
5942 * On Everest 1 Ax chip versions for speeds less than
5943 * 10G LED scheme is different
5944 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005945 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005946 + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005947 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005948 port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005949 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005950 port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005951 }
5952 break;
5953
5954 default:
5955 rc = -EINVAL;
5956 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
5957 mode);
5958 break;
5959 }
5960 return rc;
5961
5962}
5963
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005964/*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005965 * This function comes to reflect the actual link state read DIRECTLY from the
5966 * HW
5967 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005968int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
5969 u8 is_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005970{
5971 struct bnx2x *bp = params->bp;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005972 u16 gp_status = 0, phy_index = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005973 u8 ext_phy_link_up = 0, serdes_phy_type;
5974 struct link_vars temp_vars;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005975 struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005976
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005977 if (CHIP_IS_E3(bp)) {
5978 u16 link_up;
5979 if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
5980 > SPEED_10000) {
5981 /* Check 20G link */
5982 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
5983 1, &link_up);
5984 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
5985 1, &link_up);
5986 link_up &= (1<<2);
5987 } else {
5988 /* Check 10G link and below*/
5989 u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
5990 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
5991 MDIO_WC_REG_GP2_STATUS_GP_2_1,
5992 &gp_status);
5993 gp_status = ((gp_status >> 8) & 0xf) |
5994 ((gp_status >> 12) & 0xf);
5995 link_up = gp_status & (1 << lane);
5996 }
5997 if (!link_up)
5998 return -ESRCH;
5999 } else {
6000 CL22_RD_OVER_CL45(bp, int_phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006001 MDIO_REG_BANK_GP_STATUS,
6002 MDIO_GP_STATUS_TOP_AN_STATUS1,
6003 &gp_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006004 /* link is up only if both local phy and external phy are up */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006005 if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
6006 return -ESRCH;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006007 }
6008 /* In XGXS loopback mode, do not check external PHY */
6009 if (params->loopback_mode == LOOPBACK_XGXS)
6010 return 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006011
6012 switch (params->num_phys) {
6013 case 1:
6014 /* No external PHY */
6015 return 0;
6016 case 2:
6017 ext_phy_link_up = params->phy[EXT_PHY1].read_status(
6018 &params->phy[EXT_PHY1],
6019 params, &temp_vars);
6020 break;
6021 case 3: /* Dual Media */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006022 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6023 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006024 serdes_phy_type = ((params->phy[phy_index].media_type ==
6025 ETH_PHY_SFP_FIBER) ||
6026 (params->phy[phy_index].media_type ==
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00006027 ETH_PHY_XFP_FIBER) ||
6028 (params->phy[phy_index].media_type ==
6029 ETH_PHY_DA_TWINAX));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006030
6031 if (is_serdes != serdes_phy_type)
6032 continue;
6033 if (params->phy[phy_index].read_status) {
6034 ext_phy_link_up |=
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006035 params->phy[phy_index].read_status(
6036 &params->phy[phy_index],
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006037 params, &temp_vars);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006038 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006039 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006040 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006041 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006042 if (ext_phy_link_up)
6043 return 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006044 return -ESRCH;
6045}
6046
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006047static int bnx2x_link_initialize(struct link_params *params,
6048 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006049{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006050 int rc = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006051 u8 phy_index, non_ext_phy;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006052 struct bnx2x *bp = params->bp;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006053 /*
6054 * In case of external phy existence, the line speed would be the
6055 * line speed linked up by the external phy. In case it is direct
6056 * only, then the line_speed during initialization will be
6057 * equal to the req_line_speed
6058 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006059 vars->line_speed = params->phy[INT_PHY].req_line_speed;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006060
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006061 /*
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006062 * Initialize the internal phy in case this is a direct board
6063 * (no external phys), or this board has external phy which requires
6064 * to first.
6065 */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006066 if (!USES_WARPCORE(bp))
6067 bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006068 /* init ext phy and enable link state int */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006069 non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006070 (params->loopback_mode == LOOPBACK_XGXS));
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006071
6072 if (non_ext_phy ||
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006073 (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
Eilon Greenstein8660d8c2009-03-02 08:01:02 +00006074 (params->loopback_mode == LOOPBACK_EXT_PHY)) {
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006075 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006076 if (vars->line_speed == SPEED_AUTO_NEG &&
6077 (CHIP_IS_E1x(bp) ||
6078 CHIP_IS_E2(bp)))
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006079 bnx2x_set_parallel_detection(phy, params);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00006080 if (params->phy[INT_PHY].config_init)
6081 params->phy[INT_PHY].config_init(phy,
6082 params,
6083 vars);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006084 }
6085
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006086 /* Init external phy*/
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006087 if (non_ext_phy) {
6088 if (params->phy[INT_PHY].supported &
6089 SUPPORTED_FIBRE)
6090 vars->link_status |= LINK_STATUS_SERDES_LINK;
6091 } else {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006092 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6093 phy_index++) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006094 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006095 * No need to initialize second phy in case of first
6096 * phy only selection. In case of second phy, we do
6097 * need to initialize the first phy, since they are
6098 * connected.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006099 */
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006100 if (params->phy[phy_index].supported &
6101 SUPPORTED_FIBRE)
6102 vars->link_status |= LINK_STATUS_SERDES_LINK;
6103
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006104 if (phy_index == EXT_PHY2 &&
6105 (bnx2x_phy_selection(params) ==
6106 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006107 DP(NETIF_MSG_LINK, "Not initializing"
6108 " second phy\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006109 continue;
6110 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006111 params->phy[phy_index].config_init(
6112 &params->phy[phy_index],
6113 params, vars);
6114 }
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006115 }
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006116 /* Reset the interrupt indication after phy was initialized */
6117 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
6118 params->port*4,
6119 (NIG_STATUS_XGXS0_LINK10G |
6120 NIG_STATUS_XGXS0_LINK_STATUS |
6121 NIG_STATUS_SERDES0_LINK_STATUS |
6122 NIG_MASK_MI_INT));
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006123 bnx2x_update_mng(params, vars->link_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006124 return rc;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006125}
6126
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006127static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
6128 struct link_params *params)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006129{
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006130 /* reset the SerDes/XGXS */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006131 REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6132 (0x1ff << (params->port*16)));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006133}
6134
6135static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
6136 struct link_params *params)
6137{
6138 struct bnx2x *bp = params->bp;
6139 u8 gpio_port;
6140 /* HW reset */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006141 if (CHIP_IS_E2(bp))
6142 gpio_port = BP_PATH(bp);
6143 else
6144 gpio_port = params->port;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006145 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006146 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6147 gpio_port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006148 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006149 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6150 gpio_port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006151 DP(NETIF_MSG_LINK, "reset external PHY\n");
6152}
6153
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006154static int bnx2x_update_link_down(struct link_params *params,
6155 struct link_vars *vars)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006156{
6157 struct bnx2x *bp = params->bp;
6158 u8 port = params->port;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00006159
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006160 DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006161 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006162 vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006163 /* indicate no mac active */
6164 vars->mac_type = MAC_TYPE_NONE;
6165
6166 /* update shared memory */
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006167 vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
6168 LINK_STATUS_LINK_UP |
6169 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
6170 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
6171 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
6172 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006173 vars->line_speed = 0;
6174 bnx2x_update_mng(params, vars->link_status);
6175
6176 /* activate nig drain */
6177 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6178
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006179 /* disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006180 if (!CHIP_IS_E3(bp))
6181 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006182
6183 msleep(10);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006184 /* reset BigMac/Xmac */
6185 if (CHIP_IS_E1x(bp) ||
6186 CHIP_IS_E2(bp)) {
6187 bnx2x_bmac_rx_disable(bp, params->port);
6188 REG_WR(bp, GRCBASE_MISC +
6189 MISC_REGISTERS_RESET_REG_2_CLEAR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006190 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006191 }
6192 if (CHIP_IS_E3(bp))
6193 bnx2x_xmac_disable(params);
6194
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006195 return 0;
6196}
6197
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006198static int bnx2x_update_link_up(struct link_params *params,
6199 struct link_vars *vars,
6200 u8 link_10g)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006201{
6202 struct bnx2x *bp = params->bp;
6203 u8 port = params->port;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006204 int rc = 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00006205
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006206 vars->link_status |= LINK_STATUS_LINK_UP;
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006207 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006208
Yaniv Rosner7aa07112010-09-07 11:41:01 +00006209 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
6210 vars->link_status |=
6211 LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
6212
6213 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
6214 vars->link_status |=
6215 LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006216 if (USES_WARPCORE(bp)) {
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006217 if (link_10g) {
6218 if (bnx2x_xmac_enable(params, vars, 0) ==
6219 -ESRCH) {
6220 DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
6221 vars->link_up = 0;
6222 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6223 vars->link_status &= ~LINK_STATUS_LINK_UP;
6224 }
6225 } else
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006226 bnx2x_umac_enable(params, vars, 0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006227 bnx2x_set_led(params, vars,
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006228 LED_MODE_OPER, vars->line_speed);
6229 }
6230 if ((CHIP_IS_E1x(bp) ||
6231 CHIP_IS_E2(bp))) {
6232 if (link_10g) {
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006233 if (bnx2x_bmac_enable(params, vars, 0) ==
6234 -ESRCH) {
6235 DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
6236 vars->link_up = 0;
6237 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6238 vars->link_status &= ~LINK_STATUS_LINK_UP;
6239 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006240
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006241 bnx2x_set_led(params, vars,
6242 LED_MODE_OPER, SPEED_10000);
6243 } else {
6244 rc = bnx2x_emac_program(params, vars);
6245 bnx2x_emac_enable(params, vars, 0);
Yaniv Rosner0c786f02009-11-05 19:18:32 +02006246
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006247 /* AN complete? */
6248 if ((vars->link_status &
6249 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
6250 && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
6251 SINGLE_MEDIA_DIRECT(params))
6252 bnx2x_set_gmii_tx_driver(params);
6253 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006254 }
6255
6256 /* PBF - link up */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006257 if (CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006258 rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6259 vars->line_speed);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006260
6261 /* disable drain */
6262 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
6263
6264 /* update shared memory */
6265 bnx2x_update_mng(params, vars->link_status);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006266 msleep(20);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006267 return rc;
6268}
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006269/*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006270 * The bnx2x_link_update function should be called upon link
6271 * interrupt.
6272 * Link is considered up as follows:
6273 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
6274 * to be up
6275 * - SINGLE_MEDIA - The link between the 577xx and the external
6276 * phy (XGXS) need to up as well as the external link of the
6277 * phy (PHY_EXT1)
6278 * - DUAL_MEDIA - The link between the 577xx and the first
6279 * external phy needs to be up, and at least one of the 2
6280 * external phy link must be up.
Yaniv Rosner62b29a52010-09-07 11:40:58 +00006281 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006282int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006283{
6284 struct bnx2x *bp = params->bp;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006285 struct link_vars phy_vars[MAX_PHYS];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006286 u8 port = params->port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006287 u8 link_10g_plus, phy_index;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006288 u8 ext_phy_link_up = 0, cur_link_up;
6289 int rc = 0;
Eilon Greenstein2f904462009-08-12 08:22:16 +00006290 u8 is_mi_int = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006291 u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
6292 u8 active_external_phy = INT_PHY;
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006293 vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006294 for (phy_index = INT_PHY; phy_index < params->num_phys;
6295 phy_index++) {
6296 phy_vars[phy_index].flow_ctrl = 0;
6297 phy_vars[phy_index].link_status = 0;
6298 phy_vars[phy_index].line_speed = 0;
6299 phy_vars[phy_index].duplex = DUPLEX_FULL;
6300 phy_vars[phy_index].phy_link_up = 0;
6301 phy_vars[phy_index].link_up = 0;
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00006302 phy_vars[phy_index].fault_detected = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006303 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006304
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006305 if (USES_WARPCORE(bp))
6306 bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
6307
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006308 DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00006309 port, (vars->phy_flags & PHY_XGXS_FLAG),
6310 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006311
Eilon Greenstein2f904462009-08-12 08:22:16 +00006312 is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006313 port*0x18) > 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006314 DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00006315 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6316 is_mi_int,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006317 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006318
6319 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6320 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6321 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6322
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006323 /* disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006324 if (!CHIP_IS_E3(bp))
6325 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006326
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006327 /*
6328 * Step 1:
6329 * Check external link change only for external phys, and apply
6330 * priority selection between them in case the link on both phys
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006331 * is up. Note that instead of the common vars, a temporary
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006332 * vars argument is used since each phy may have different link/
6333 * speed/duplex result
6334 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006335 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6336 phy_index++) {
6337 struct bnx2x_phy *phy = &params->phy[phy_index];
6338 if (!phy->read_status)
6339 continue;
6340 /* Read link status and params of this ext phy */
6341 cur_link_up = phy->read_status(phy, params,
6342 &phy_vars[phy_index]);
6343 if (cur_link_up) {
6344 DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
6345 phy_index);
6346 } else {
6347 DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
6348 phy_index);
6349 continue;
6350 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006351
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006352 if (!ext_phy_link_up) {
6353 ext_phy_link_up = 1;
6354 active_external_phy = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006355 } else {
6356 switch (bnx2x_phy_selection(params)) {
6357 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6358 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006359 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006360 * In this option, the first PHY makes sure to pass the
6361 * traffic through itself only.
6362 * Its not clear how to reset the link on the second phy
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006363 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006364 active_external_phy = EXT_PHY1;
6365 break;
6366 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006367 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006368 * In this option, the first PHY makes sure to pass the
6369 * traffic through the second PHY.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006370 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006371 active_external_phy = EXT_PHY2;
6372 break;
6373 default:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006374 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006375 * Link indication on both PHYs with the following cases
6376 * is invalid:
6377 * - FIRST_PHY means that second phy wasn't initialized,
6378 * hence its link is expected to be down
6379 * - SECOND_PHY means that first phy should not be able
6380 * to link up by itself (using configuration)
6381 * - DEFAULT should be overriden during initialiazation
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006382 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006383 DP(NETIF_MSG_LINK, "Invalid link indication"
6384 "mpc=0x%x. DISABLING LINK !!!\n",
6385 params->multi_phy_config);
6386 ext_phy_link_up = 0;
6387 break;
6388 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006389 }
6390 }
6391 prev_line_speed = vars->line_speed;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006392 /*
6393 * Step 2:
6394 * Read the status of the internal phy. In case of
6395 * DIRECT_SINGLE_MEDIA board, this link is the external link,
6396 * otherwise this is the link between the 577xx and the first
6397 * external phy
6398 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006399 if (params->phy[INT_PHY].read_status)
6400 params->phy[INT_PHY].read_status(
6401 &params->phy[INT_PHY],
6402 params, vars);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006403 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006404 * The INT_PHY flow control reside in the vars. This include the
6405 * case where the speed or flow control are not set to AUTO.
6406 * Otherwise, the active external phy flow control result is set
6407 * to the vars. The ext_phy_line_speed is needed to check if the
6408 * speed is different between the internal phy and external phy.
6409 * This case may be result of intermediate link speed change.
6410 */
6411 if (active_external_phy > INT_PHY) {
6412 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006413 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006414 * Link speed is taken from the XGXS. AN and FC result from
6415 * the external phy.
6416 */
6417 vars->link_status |= phy_vars[active_external_phy].link_status;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006418
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006419 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006420 * if active_external_phy is first PHY and link is up - disable
6421 * disable TX on second external PHY
6422 */
6423 if (active_external_phy == EXT_PHY1) {
6424 if (params->phy[EXT_PHY2].phy_specific_func) {
6425 DP(NETIF_MSG_LINK, "Disabling TX on"
6426 " EXT_PHY2\n");
6427 params->phy[EXT_PHY2].phy_specific_func(
6428 &params->phy[EXT_PHY2],
6429 params, DISABLE_TX);
6430 }
6431 }
6432
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006433 ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
6434 vars->duplex = phy_vars[active_external_phy].duplex;
6435 if (params->phy[active_external_phy].supported &
6436 SUPPORTED_FIBRE)
6437 vars->link_status |= LINK_STATUS_SERDES_LINK;
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006438 else
6439 vars->link_status &= ~LINK_STATUS_SERDES_LINK;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006440 DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
6441 active_external_phy);
6442 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006443
6444 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6445 phy_index++) {
6446 if (params->phy[phy_index].flags &
6447 FLAGS_REARM_LATCH_SIGNAL) {
6448 bnx2x_rearm_latch_signal(bp, port,
6449 phy_index ==
6450 active_external_phy);
6451 break;
6452 }
6453 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006454 DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
6455 " ext_phy_line_speed = %d\n", vars->flow_ctrl,
6456 vars->link_status, ext_phy_line_speed);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006457 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006458 * Upon link speed change set the NIG into drain mode. Comes to
6459 * deals with possible FIFO glitch due to clk change when speed
6460 * is decreased without link down indicator
6461 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006462
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006463 if (vars->phy_link_up) {
6464 if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
6465 (ext_phy_line_speed != vars->line_speed)) {
6466 DP(NETIF_MSG_LINK, "Internal link speed %d is"
6467 " different than the external"
6468 " link speed %d\n", vars->line_speed,
6469 ext_phy_line_speed);
6470 vars->phy_link_up = 0;
6471 } else if (prev_line_speed != vars->line_speed) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006472 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
6473 0);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006474 msleep(1);
6475 }
6476 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006477
6478 /* anything 10 and over uses the bmac */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006479 link_10g_plus = (vars->line_speed >= SPEED_10000);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006480
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006481 bnx2x_link_int_ack(params, vars, link_10g_plus);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006482
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006483 /*
6484 * In case external phy link is up, and internal link is down
6485 * (not initialized yet probably after link initialization, it
6486 * needs to be initialized.
6487 * Note that after link down-up as result of cable plug, the xgxs
6488 * link would probably become up again without the need
6489 * initialize it
6490 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006491 if (!(SINGLE_MEDIA_DIRECT(params))) {
6492 DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
6493 " init_preceding = %d\n", ext_phy_link_up,
6494 vars->phy_link_up,
6495 params->phy[EXT_PHY1].flags &
6496 FLAGS_INIT_XGXS_FIRST);
6497 if (!(params->phy[EXT_PHY1].flags &
6498 FLAGS_INIT_XGXS_FIRST)
6499 && ext_phy_link_up && !vars->phy_link_up) {
6500 vars->line_speed = ext_phy_line_speed;
6501 if (vars->line_speed < SPEED_1000)
6502 vars->phy_flags |= PHY_SGMII_FLAG;
6503 else
6504 vars->phy_flags &= ~PHY_SGMII_FLAG;
Yaniv Rosnerec146a62011-05-31 21:29:27 +00006505
6506 if (params->phy[INT_PHY].config_init)
6507 params->phy[INT_PHY].config_init(
6508 &params->phy[INT_PHY], params,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006509 vars);
6510 }
6511 }
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006512 /*
6513 * Link is up only if both local phy and external phy (in case of
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006514 * non-direct board) are up and no fault detected on active PHY.
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006515 */
6516 vars->link_up = (vars->phy_link_up &&
6517 (ext_phy_link_up ||
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00006518 SINGLE_MEDIA_DIRECT(params)) &&
6519 (phy_vars[active_external_phy].fault_detected == 0));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006520
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006521 if (vars->link_up)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006522 rc = bnx2x_update_link_up(params, vars, link_10g_plus);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006523 else
6524 rc = bnx2x_update_link_down(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006525
6526 return rc;
6527}
6528
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006529
6530/*****************************************************************************/
6531/* External Phy section */
6532/*****************************************************************************/
6533void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006534{
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006535 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006536 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006537 msleep(1);
6538 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006539 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006540}
6541
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006542static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
6543 u32 spirom_ver, u32 ver_addr)
6544{
6545 DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
6546 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
6547
6548 if (ver_addr)
6549 REG_WR(bp, ver_addr, spirom_ver);
6550}
6551
6552static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
6553 struct bnx2x_phy *phy,
6554 u8 port)
6555{
6556 u16 fw_ver1, fw_ver2;
6557
6558 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006559 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006560 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006561 MDIO_PMA_REG_ROM_VER2, &fw_ver2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006562 bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
6563 phy->ver_addr);
6564}
6565
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006566static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
6567 struct bnx2x_phy *phy,
6568 struct link_vars *vars)
6569{
6570 u16 val;
6571 bnx2x_cl45_read(bp, phy,
6572 MDIO_AN_DEVAD,
6573 MDIO_AN_REG_STATUS, &val);
6574 bnx2x_cl45_read(bp, phy,
6575 MDIO_AN_DEVAD,
6576 MDIO_AN_REG_STATUS, &val);
6577 if (val & (1<<5))
6578 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
6579 if ((val & (1<<0)) == 0)
6580 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
6581}
6582
6583/******************************************************************/
6584/* common BCM8073/BCM8727 PHY SECTION */
6585/******************************************************************/
6586static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
6587 struct link_params *params,
6588 struct link_vars *vars)
6589{
6590 struct bnx2x *bp = params->bp;
6591 if (phy->req_line_speed == SPEED_10 ||
6592 phy->req_line_speed == SPEED_100) {
6593 vars->flow_ctrl = phy->req_flow_ctrl;
6594 return;
6595 }
6596
6597 if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
6598 (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
6599 u16 pause_result;
6600 u16 ld_pause; /* local */
6601 u16 lp_pause; /* link partner */
6602 bnx2x_cl45_read(bp, phy,
6603 MDIO_AN_DEVAD,
6604 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
6605
6606 bnx2x_cl45_read(bp, phy,
6607 MDIO_AN_DEVAD,
6608 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
6609 pause_result = (ld_pause &
6610 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
6611 pause_result |= (lp_pause &
6612 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
6613
6614 bnx2x_pause_resolve(vars, pause_result);
6615 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
6616 pause_result);
6617 }
6618}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006619static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
6620 struct bnx2x_phy *phy,
6621 u8 port)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006622{
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00006623 u32 count = 0;
6624 u16 fw_ver1, fw_msgout;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006625 int rc = 0;
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00006626
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006627 /* Boot port from external ROM */
6628 /* EDC grst */
6629 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006630 MDIO_PMA_DEVAD,
6631 MDIO_PMA_REG_GEN_CTRL,
6632 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006633
6634 /* ucode reboot and rst */
6635 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006636 MDIO_PMA_DEVAD,
6637 MDIO_PMA_REG_GEN_CTRL,
6638 0x008c);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006639
6640 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006641 MDIO_PMA_DEVAD,
6642 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006643
6644 /* Reset internal microprocessor */
6645 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006646 MDIO_PMA_DEVAD,
6647 MDIO_PMA_REG_GEN_CTRL,
6648 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006649
6650 /* Release srst bit */
6651 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006652 MDIO_PMA_DEVAD,
6653 MDIO_PMA_REG_GEN_CTRL,
6654 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006655
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00006656 /* Delay 100ms per the PHY specifications */
6657 msleep(100);
6658
6659 /* 8073 sometimes taking longer to download */
6660 do {
6661 count++;
6662 if (count > 300) {
6663 DP(NETIF_MSG_LINK,
6664 "bnx2x_8073_8727_external_rom_boot port %x:"
6665 "Download failed. fw version = 0x%x\n",
6666 port, fw_ver1);
6667 rc = -EINVAL;
6668 break;
6669 }
6670
6671 bnx2x_cl45_read(bp, phy,
6672 MDIO_PMA_DEVAD,
6673 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
6674 bnx2x_cl45_read(bp, phy,
6675 MDIO_PMA_DEVAD,
6676 MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
6677
6678 msleep(1);
6679 } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
6680 ((fw_msgout & 0xff) != 0x03 && (phy->type ==
6681 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006682
6683 /* Clear ser_boot_ctl bit */
6684 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006685 MDIO_PMA_DEVAD,
6686 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006687 bnx2x_save_bcm_spirom_ver(bp, phy, port);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00006688
6689 DP(NETIF_MSG_LINK,
6690 "bnx2x_8073_8727_external_rom_boot port %x:"
6691 "Download complete. fw version = 0x%x\n",
6692 port, fw_ver1);
6693
6694 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006695}
6696
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006697/******************************************************************/
6698/* BCM8073 PHY SECTION */
6699/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006700static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006701{
6702 /* This is only required for 8073A1, version 102 only */
6703 u16 val;
6704
6705 /* Read 8073 HW revision*/
6706 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006707 MDIO_PMA_DEVAD,
6708 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006709
6710 if (val != 1) {
6711 /* No need to workaround in 8073 A1 */
6712 return 0;
6713 }
6714
6715 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006716 MDIO_PMA_DEVAD,
6717 MDIO_PMA_REG_ROM_VER2, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006718
6719 /* SNR should be applied only for version 0x102 */
6720 if (val != 0x102)
6721 return 0;
6722
6723 return 1;
6724}
6725
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006726static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006727{
6728 u16 val, cnt, cnt1 ;
6729
6730 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006731 MDIO_PMA_DEVAD,
6732 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006733
6734 if (val > 0) {
6735 /* No need to workaround in 8073 A1 */
6736 return 0;
6737 }
6738 /* XAUI workaround in 8073 A0: */
6739
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006740 /*
6741 * After loading the boot ROM and restarting Autoneg, poll
6742 * Dev1, Reg $C820:
6743 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006744
6745 for (cnt = 0; cnt < 1000; cnt++) {
6746 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006747 MDIO_PMA_DEVAD,
6748 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
6749 &val);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006750 /*
6751 * If bit [14] = 0 or bit [13] = 0, continue on with
6752 * system initialization (XAUI work-around not required, as
6753 * these bits indicate 2.5G or 1G link up).
6754 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006755 if (!(val & (1<<14)) || !(val & (1<<13))) {
6756 DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
6757 return 0;
6758 } else if (!(val & (1<<15))) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006759 DP(NETIF_MSG_LINK, "bit 15 went off\n");
6760 /*
6761 * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
6762 * MSB (bit15) goes to 1 (indicating that the XAUI
6763 * workaround has completed), then continue on with
6764 * system initialization.
6765 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006766 for (cnt1 = 0; cnt1 < 1000; cnt1++) {
6767 bnx2x_cl45_read(bp, phy,
6768 MDIO_PMA_DEVAD,
6769 MDIO_PMA_REG_8073_XAUI_WA, &val);
6770 if (val & (1<<15)) {
6771 DP(NETIF_MSG_LINK,
6772 "XAUI workaround has completed\n");
6773 return 0;
6774 }
6775 msleep(3);
6776 }
6777 break;
6778 }
6779 msleep(3);
6780 }
6781 DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
6782 return -EINVAL;
6783}
6784
6785static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
6786{
6787 /* Force KR or KX */
6788 bnx2x_cl45_write(bp, phy,
6789 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
6790 bnx2x_cl45_write(bp, phy,
6791 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
6792 bnx2x_cl45_write(bp, phy,
6793 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
6794 bnx2x_cl45_write(bp, phy,
6795 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
6796}
6797
6798static void bnx2x_8073_set_pause_cl37(struct link_params *params,
6799 struct bnx2x_phy *phy,
6800 struct link_vars *vars)
6801{
6802 u16 cl37_val;
6803 struct bnx2x *bp = params->bp;
6804 bnx2x_cl45_read(bp, phy,
6805 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
6806
6807 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
6808 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
6809 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
6810 if ((vars->ieee_fc &
6811 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
6812 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
6813 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
6814 }
6815 if ((vars->ieee_fc &
6816 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
6817 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
6818 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
6819 }
6820 if ((vars->ieee_fc &
6821 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
6822 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
6823 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
6824 }
6825 DP(NETIF_MSG_LINK,
6826 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
6827
6828 bnx2x_cl45_write(bp, phy,
6829 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
6830 msleep(500);
6831}
6832
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006833static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
6834 struct link_params *params,
6835 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006836{
6837 struct bnx2x *bp = params->bp;
6838 u16 val = 0, tmp1;
6839 u8 gpio_port;
6840 DP(NETIF_MSG_LINK, "Init 8073\n");
6841
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006842 if (CHIP_IS_E2(bp))
6843 gpio_port = BP_PATH(bp);
6844 else
6845 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006846 /* Restore normal power mode*/
6847 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006848 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006849
6850 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006851 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006852
6853 /* enable LASI */
6854 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00006855 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006856 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00006857 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006858
6859 bnx2x_8073_set_pause_cl37(params, phy, vars);
6860
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006861 bnx2x_cl45_read(bp, phy,
6862 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
6863
6864 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00006865 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006866
6867 DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
6868
Yaniv Rosner74d7a112011-01-18 04:33:18 +00006869 /* Swap polarity if required - Must be done only in non-1G mode */
6870 if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
6871 /* Configure the 8073 to swap _P and _N of the KR lines */
6872 DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
6873 /* 10G Rx/Tx and 1G Tx signal polarity swap */
6874 bnx2x_cl45_read(bp, phy,
6875 MDIO_PMA_DEVAD,
6876 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
6877 bnx2x_cl45_write(bp, phy,
6878 MDIO_PMA_DEVAD,
6879 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
6880 (val | (3<<9)));
6881 }
6882
6883
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006884 /* Enable CL37 BAM */
Yaniv Rosner121839b2010-11-01 05:32:38 +00006885 if (REG_RD(bp, params->shmem_base +
6886 offsetof(struct shmem_region, dev_info.
6887 port_hw_config[params->port].default_cfg)) &
6888 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006889
Yaniv Rosner121839b2010-11-01 05:32:38 +00006890 bnx2x_cl45_read(bp, phy,
6891 MDIO_AN_DEVAD,
6892 MDIO_AN_REG_8073_BAM, &val);
6893 bnx2x_cl45_write(bp, phy,
6894 MDIO_AN_DEVAD,
6895 MDIO_AN_REG_8073_BAM, val | 1);
6896 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
6897 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006898 if (params->loopback_mode == LOOPBACK_EXT) {
6899 bnx2x_807x_force_10G(bp, phy);
6900 DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
6901 return 0;
6902 } else {
6903 bnx2x_cl45_write(bp, phy,
6904 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
6905 }
6906 if (phy->req_line_speed != SPEED_AUTO_NEG) {
6907 if (phy->req_line_speed == SPEED_10000) {
6908 val = (1<<7);
6909 } else if (phy->req_line_speed == SPEED_2500) {
6910 val = (1<<5);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006911 /*
6912 * Note that 2.5G works only when used with 1G
Lucas De Marchi25985ed2011-03-30 22:57:33 -03006913 * advertisement
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006914 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006915 } else
6916 val = (1<<5);
6917 } else {
6918 val = 0;
6919 if (phy->speed_cap_mask &
6920 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
6921 val |= (1<<7);
6922
Lucas De Marchi25985ed2011-03-30 22:57:33 -03006923 /* Note that 2.5G works only when used with 1G advertisement */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006924 if (phy->speed_cap_mask &
6925 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
6926 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
6927 val |= (1<<5);
6928 DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
6929 }
6930
6931 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
6932 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
6933
6934 if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
6935 (phy->req_line_speed == SPEED_AUTO_NEG)) ||
6936 (phy->req_line_speed == SPEED_2500)) {
6937 u16 phy_ver;
6938 /* Allow 2.5G for A1 and above */
6939 bnx2x_cl45_read(bp, phy,
6940 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
6941 &phy_ver);
6942 DP(NETIF_MSG_LINK, "Add 2.5G\n");
6943 if (phy_ver > 0)
6944 tmp1 |= 1;
6945 else
6946 tmp1 &= 0xfffe;
6947 } else {
6948 DP(NETIF_MSG_LINK, "Disable 2.5G\n");
6949 tmp1 &= 0xfffe;
6950 }
6951
6952 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
6953 /* Add support for CL37 (passive mode) II */
6954
6955 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
6956 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
6957 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
6958 0x20 : 0x40)));
6959
6960 /* Add support for CL37 (passive mode) III */
6961 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
6962
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006963 /*
6964 * The SNR will improve about 2db by changing BW and FEE main
6965 * tap. Rest commands are executed after link is up
6966 * Change FFE main cursor to 5 in EDC register
6967 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006968 if (bnx2x_8073_is_snr_needed(bp, phy))
6969 bnx2x_cl45_write(bp, phy,
6970 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
6971 0xFB0C);
6972
6973 /* Enable FEC (Forware Error Correction) Request in the AN */
6974 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
6975 tmp1 |= (1<<15);
6976 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
6977
6978 bnx2x_ext_phy_set_pause(params, phy, vars);
6979
6980 /* Restart autoneg */
6981 msleep(500);
6982 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
6983 DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
6984 ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
6985 return 0;
6986}
6987
6988static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
6989 struct link_params *params,
6990 struct link_vars *vars)
6991{
6992 struct bnx2x *bp = params->bp;
6993 u8 link_up = 0;
6994 u16 val1, val2;
6995 u16 link_status = 0;
6996 u16 an1000_status = 0;
6997
6998 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00006999 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007000
7001 DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
7002
7003 /* clear the interrupt LASI status register */
7004 bnx2x_cl45_read(bp, phy,
7005 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7006 bnx2x_cl45_read(bp, phy,
7007 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
7008 DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
7009 /* Clear MSG-OUT */
7010 bnx2x_cl45_read(bp, phy,
7011 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
7012
7013 /* Check the LASI */
7014 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00007015 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007016
7017 DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
7018
7019 /* Check the link status */
7020 bnx2x_cl45_read(bp, phy,
7021 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7022 DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
7023
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 link_up = ((val1 & 4) == 4);
7029 DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
7030
7031 if (link_up &&
7032 ((phy->req_line_speed != SPEED_10000))) {
7033 if (bnx2x_8073_xaui_wa(bp, phy) != 0)
7034 return 0;
7035 }
7036 bnx2x_cl45_read(bp, phy,
7037 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7038 bnx2x_cl45_read(bp, phy,
7039 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7040
7041 /* Check the link status on 1.1.2 */
7042 bnx2x_cl45_read(bp, phy,
7043 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7044 bnx2x_cl45_read(bp, phy,
7045 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7046 DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
7047 "an_link_status=0x%x\n", val2, val1, an1000_status);
7048
7049 link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
7050 if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007051 /*
7052 * The SNR will improve about 2dbby changing the BW and FEE main
7053 * tap. The 1st write to change FFE main tap is set before
7054 * restart AN. Change PLL Bandwidth in EDC register
7055 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007056 bnx2x_cl45_write(bp, phy,
7057 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
7058 0x26BC);
7059
7060 /* Change CDR Bandwidth in EDC register */
7061 bnx2x_cl45_write(bp, phy,
7062 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
7063 0x0333);
7064 }
7065 bnx2x_cl45_read(bp, phy,
7066 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7067 &link_status);
7068
7069 /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
7070 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
7071 link_up = 1;
7072 vars->line_speed = SPEED_10000;
7073 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
7074 params->port);
7075 } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
7076 link_up = 1;
7077 vars->line_speed = SPEED_2500;
7078 DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
7079 params->port);
7080 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
7081 link_up = 1;
7082 vars->line_speed = SPEED_1000;
7083 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
7084 params->port);
7085 } else {
7086 link_up = 0;
7087 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
7088 params->port);
7089 }
7090
7091 if (link_up) {
Yaniv Rosner74d7a112011-01-18 04:33:18 +00007092 /* Swap polarity if required */
7093 if (params->lane_config &
7094 PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7095 /* Configure the 8073 to swap P and N of the KR lines */
7096 bnx2x_cl45_read(bp, phy,
7097 MDIO_XS_DEVAD,
7098 MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007099 /*
7100 * Set bit 3 to invert Rx in 1G mode and clear this bit
7101 * when it`s in 10G mode.
7102 */
Yaniv Rosner74d7a112011-01-18 04:33:18 +00007103 if (vars->line_speed == SPEED_1000) {
7104 DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
7105 "the 8073\n");
7106 val1 |= (1<<3);
7107 } else
7108 val1 &= ~(1<<3);
7109
7110 bnx2x_cl45_write(bp, phy,
7111 MDIO_XS_DEVAD,
7112 MDIO_XS_REG_8073_RX_CTRL_PCIE,
7113 val1);
7114 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007115 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7116 bnx2x_8073_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00007117 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007118 }
7119 return link_up;
7120}
7121
7122static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
7123 struct link_params *params)
7124{
7125 struct bnx2x *bp = params->bp;
7126 u8 gpio_port;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007127 if (CHIP_IS_E2(bp))
7128 gpio_port = BP_PATH(bp);
7129 else
7130 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007131 DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
7132 gpio_port);
7133 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007134 MISC_REGISTERS_GPIO_OUTPUT_LOW,
7135 gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007136}
7137
7138/******************************************************************/
7139/* BCM8705 PHY SECTION */
7140/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007141static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
7142 struct link_params *params,
7143 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007144{
7145 struct bnx2x *bp = params->bp;
7146 DP(NETIF_MSG_LINK, "init 8705\n");
7147 /* Restore normal power mode*/
7148 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007149 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007150 /* HW reset */
7151 bnx2x_ext_phy_hw_reset(bp, params->port);
7152 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00007153 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007154
7155 bnx2x_cl45_write(bp, phy,
7156 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
7157 bnx2x_cl45_write(bp, phy,
7158 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
7159 bnx2x_cl45_write(bp, phy,
7160 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
7161 bnx2x_cl45_write(bp, phy,
7162 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
7163 /* BCM8705 doesn't have microcode, hence the 0 */
7164 bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
7165 return 0;
7166}
7167
7168static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
7169 struct link_params *params,
7170 struct link_vars *vars)
7171{
7172 u8 link_up = 0;
7173 u16 val1, rx_sd;
7174 struct bnx2x *bp = params->bp;
7175 DP(NETIF_MSG_LINK, "read status 8705\n");
7176 bnx2x_cl45_read(bp, phy,
7177 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7178 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7179
7180 bnx2x_cl45_read(bp, phy,
7181 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7182 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7183
7184 bnx2x_cl45_read(bp, phy,
7185 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7186
7187 bnx2x_cl45_read(bp, phy,
7188 MDIO_PMA_DEVAD, 0xc809, &val1);
7189 bnx2x_cl45_read(bp, phy,
7190 MDIO_PMA_DEVAD, 0xc809, &val1);
7191
7192 DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
7193 link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
7194 if (link_up) {
7195 vars->line_speed = SPEED_10000;
7196 bnx2x_ext_phy_resolve_fc(phy, params, vars);
7197 }
7198 return link_up;
7199}
7200
7201/******************************************************************/
7202/* SFP+ module Section */
7203/******************************************************************/
Yaniv Rosner85242ee2011-07-05 01:06:53 +00007204static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
7205 struct bnx2x_phy *phy,
7206 u8 pmd_dis)
7207{
7208 struct bnx2x *bp = params->bp;
7209 /*
7210 * Disable transmitter only for bootcodes which can enable it afterwards
7211 * (for D3 link)
7212 */
7213 if (pmd_dis) {
7214 if (params->feature_config_flags &
7215 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
7216 DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
7217 else {
7218 DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
7219 return;
7220 }
7221 } else
7222 DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
7223 bnx2x_cl45_write(bp, phy,
7224 MDIO_PMA_DEVAD,
7225 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
7226}
7227
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007228static u8 bnx2x_get_gpio_port(struct link_params *params)
7229{
7230 u8 gpio_port;
7231 u32 swap_val, swap_override;
7232 struct bnx2x *bp = params->bp;
7233 if (CHIP_IS_E2(bp))
7234 gpio_port = BP_PATH(bp);
7235 else
7236 gpio_port = params->port;
7237 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7238 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7239 return gpio_port ^ (swap_val && swap_override);
7240}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007241
7242static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
7243 struct bnx2x_phy *phy,
7244 u8 tx_en)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007245{
7246 u16 val;
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007247 u8 port = params->port;
7248 struct bnx2x *bp = params->bp;
7249 u32 tx_en_mode;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007250
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007251 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007252 tx_en_mode = REG_RD(bp, params->shmem_base +
7253 offsetof(struct shmem_region,
7254 dev_info.port_hw_config[port].sfp_ctrl)) &
7255 PORT_HW_CFG_TX_LASER_MASK;
7256 DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
7257 "mode = %x\n", tx_en, port, tx_en_mode);
7258 switch (tx_en_mode) {
7259 case PORT_HW_CFG_TX_LASER_MDIO:
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007260
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007261 bnx2x_cl45_read(bp, phy,
7262 MDIO_PMA_DEVAD,
7263 MDIO_PMA_REG_PHY_IDENTIFIER,
7264 &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007265
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007266 if (tx_en)
7267 val &= ~(1<<15);
7268 else
7269 val |= (1<<15);
7270
7271 bnx2x_cl45_write(bp, phy,
7272 MDIO_PMA_DEVAD,
7273 MDIO_PMA_REG_PHY_IDENTIFIER,
7274 val);
7275 break;
7276 case PORT_HW_CFG_TX_LASER_GPIO0:
7277 case PORT_HW_CFG_TX_LASER_GPIO1:
7278 case PORT_HW_CFG_TX_LASER_GPIO2:
7279 case PORT_HW_CFG_TX_LASER_GPIO3:
7280 {
7281 u16 gpio_pin;
7282 u8 gpio_port, gpio_mode;
7283 if (tx_en)
7284 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
7285 else
7286 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
7287
7288 gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
7289 gpio_port = bnx2x_get_gpio_port(params);
7290 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7291 break;
7292 }
7293 default:
7294 DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
7295 break;
7296 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007297}
7298
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007299static void bnx2x_sfp_set_transmitter(struct link_params *params,
7300 struct bnx2x_phy *phy,
7301 u8 tx_en)
7302{
7303 struct bnx2x *bp = params->bp;
7304 DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
7305 if (CHIP_IS_E3(bp))
7306 bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
7307 else
7308 bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
7309}
7310
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007311static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7312 struct link_params *params,
7313 u16 addr, u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007314{
7315 struct bnx2x *bp = params->bp;
7316 u16 val = 0;
7317 u16 i;
7318 if (byte_cnt > 16) {
7319 DP(NETIF_MSG_LINK, "Reading from eeprom is"
7320 " is limited to 0xf\n");
7321 return -EINVAL;
7322 }
7323 /* Set the read command byte count */
7324 bnx2x_cl45_write(bp, phy,
7325 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007326 (byte_cnt | 0xa000));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007327
7328 /* Set the read command address */
7329 bnx2x_cl45_write(bp, phy,
7330 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007331 addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007332
7333 /* Activate read command */
7334 bnx2x_cl45_write(bp, phy,
7335 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007336 0x2c0f);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007337
7338 /* Wait up to 500us for command complete status */
7339 for (i = 0; i < 100; i++) {
7340 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007341 MDIO_PMA_DEVAD,
7342 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007343 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7344 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7345 break;
7346 udelay(5);
7347 }
7348
7349 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7350 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7351 DP(NETIF_MSG_LINK,
7352 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7353 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7354 return -EINVAL;
7355 }
7356
7357 /* Read the buffer */
7358 for (i = 0; i < byte_cnt; i++) {
7359 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007360 MDIO_PMA_DEVAD,
7361 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007362 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7363 }
7364
7365 for (i = 0; i < 100; i++) {
7366 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007367 MDIO_PMA_DEVAD,
7368 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007369 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7370 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
Joe Perches6f38ad92010-11-14 17:04:31 +00007371 return 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007372 msleep(1);
7373 }
7374 return -EINVAL;
7375}
7376
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007377static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7378 struct link_params *params,
7379 u16 addr, u8 byte_cnt,
7380 u8 *o_buf)
7381{
7382 int rc = 0;
7383 u8 i, j = 0, cnt = 0;
7384 u32 data_array[4];
7385 u16 addr32;
7386 struct bnx2x *bp = params->bp;
7387 /*DP(NETIF_MSG_LINK, "bnx2x_direct_read_sfp_module_eeprom:"
7388 " addr %d, cnt %d\n",
7389 addr, byte_cnt);*/
7390 if (byte_cnt > 16) {
7391 DP(NETIF_MSG_LINK, "Reading from eeprom is"
7392 " is limited to 16 bytes\n");
7393 return -EINVAL;
7394 }
7395
7396 /* 4 byte aligned address */
7397 addr32 = addr & (~0x3);
7398 do {
7399 rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
7400 data_array);
7401 } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
7402
7403 if (rc == 0) {
7404 for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
7405 o_buf[j] = *((u8 *)data_array + i);
7406 j++;
7407 }
7408 }
7409
7410 return rc;
7411}
7412
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007413static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7414 struct link_params *params,
7415 u16 addr, u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007416{
7417 struct bnx2x *bp = params->bp;
7418 u16 val, i;
7419
7420 if (byte_cnt > 16) {
7421 DP(NETIF_MSG_LINK, "Reading from eeprom is"
7422 " is limited to 0xf\n");
7423 return -EINVAL;
7424 }
7425
7426 /* Need to read from 1.8000 to clear it */
7427 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007428 MDIO_PMA_DEVAD,
7429 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7430 &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007431
7432 /* Set the read command byte count */
7433 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007434 MDIO_PMA_DEVAD,
7435 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7436 ((byte_cnt < 2) ? 2 : byte_cnt));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007437
7438 /* Set the read command address */
7439 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007440 MDIO_PMA_DEVAD,
7441 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7442 addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007443 /* Set the destination address */
7444 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007445 MDIO_PMA_DEVAD,
7446 0x8004,
7447 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007448
7449 /* Activate read command */
7450 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007451 MDIO_PMA_DEVAD,
7452 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7453 0x8002);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007454 /*
7455 * Wait appropriate time for two-wire command to finish before
7456 * polling the status register
7457 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007458 msleep(1);
7459
7460 /* Wait up to 500us for command complete status */
7461 for (i = 0; i < 100; i++) {
7462 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007463 MDIO_PMA_DEVAD,
7464 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007465 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7466 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7467 break;
7468 udelay(5);
7469 }
7470
7471 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7472 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7473 DP(NETIF_MSG_LINK,
7474 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7475 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
Yaniv Rosner65a001b2011-01-31 04:22:03 +00007476 return -EFAULT;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007477 }
7478
7479 /* Read the buffer */
7480 for (i = 0; i < byte_cnt; i++) {
7481 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007482 MDIO_PMA_DEVAD,
7483 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007484 o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
7485 }
7486
7487 for (i = 0; i < 100; i++) {
7488 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007489 MDIO_PMA_DEVAD,
7490 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007491 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7492 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
Joe Perches6f38ad92010-11-14 17:04:31 +00007493 return 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007494 msleep(1);
7495 }
7496
7497 return -EINVAL;
7498}
7499
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007500int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7501 struct link_params *params, u16 addr,
7502 u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007503{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007504 int rc = -EINVAL;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007505 switch (phy->type) {
7506 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
7507 rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
7508 byte_cnt, o_buf);
7509 break;
7510 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
7511 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
7512 rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
7513 byte_cnt, o_buf);
7514 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007515 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7516 rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
7517 byte_cnt, o_buf);
7518 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007519 }
7520 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007521}
7522
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007523static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
7524 struct link_params *params,
7525 u16 *edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007526{
7527 struct bnx2x *bp = params->bp;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007528 u32 sync_offset = 0, phy_idx, media_types;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007529 u8 val, check_limiting_mode = 0;
7530 *edc_mode = EDC_MODE_LIMITING;
7531
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007532 phy->media_type = ETH_PHY_UNSPECIFIED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007533 /* First check for copper cable */
7534 if (bnx2x_read_sfp_module_eeprom(phy,
7535 params,
7536 SFP_EEPROM_CON_TYPE_ADDR,
7537 1,
7538 &val) != 0) {
7539 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
7540 return -EINVAL;
7541 }
7542
7543 switch (val) {
7544 case SFP_EEPROM_CON_TYPE_VAL_COPPER:
7545 {
7546 u8 copper_module_type;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007547 phy->media_type = ETH_PHY_DA_TWINAX;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007548 /*
7549 * Check if its active cable (includes SFP+ module)
7550 * of passive cable
7551 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007552 if (bnx2x_read_sfp_module_eeprom(phy,
7553 params,
7554 SFP_EEPROM_FC_TX_TECH_ADDR,
7555 1,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007556 &copper_module_type) != 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007557 DP(NETIF_MSG_LINK,
7558 "Failed to read copper-cable-type"
7559 " from SFP+ EEPROM\n");
7560 return -EINVAL;
7561 }
7562
7563 if (copper_module_type &
7564 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
7565 DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
7566 check_limiting_mode = 1;
7567 } else if (copper_module_type &
7568 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
7569 DP(NETIF_MSG_LINK, "Passive Copper"
7570 " cable detected\n");
7571 *edc_mode =
7572 EDC_MODE_PASSIVE_DAC;
7573 } else {
7574 DP(NETIF_MSG_LINK, "Unknown copper-cable-"
7575 "type 0x%x !!!\n", copper_module_type);
7576 return -EINVAL;
7577 }
7578 break;
7579 }
7580 case SFP_EEPROM_CON_TYPE_VAL_LC:
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007581 phy->media_type = ETH_PHY_SFP_FIBER;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007582 DP(NETIF_MSG_LINK, "Optic module detected\n");
7583 check_limiting_mode = 1;
7584 break;
7585 default:
7586 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
7587 val);
7588 return -EINVAL;
7589 }
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007590 sync_offset = params->shmem_base +
7591 offsetof(struct shmem_region,
7592 dev_info.port_hw_config[params->port].media_type);
7593 media_types = REG_RD(bp, sync_offset);
7594 /* Update media type for non-PMF sync */
7595 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
7596 if (&(params->phy[phy_idx]) == phy) {
7597 media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
7598 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
7599 media_types |= ((phy->media_type &
7600 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
7601 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
7602 break;
7603 }
7604 }
7605 REG_WR(bp, sync_offset, media_types);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007606 if (check_limiting_mode) {
7607 u8 options[SFP_EEPROM_OPTIONS_SIZE];
7608 if (bnx2x_read_sfp_module_eeprom(phy,
7609 params,
7610 SFP_EEPROM_OPTIONS_ADDR,
7611 SFP_EEPROM_OPTIONS_SIZE,
7612 options) != 0) {
7613 DP(NETIF_MSG_LINK, "Failed to read Option"
7614 " field from module EEPROM\n");
7615 return -EINVAL;
7616 }
7617 if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
7618 *edc_mode = EDC_MODE_LINEAR;
7619 else
7620 *edc_mode = EDC_MODE_LIMITING;
7621 }
7622 DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
7623 return 0;
7624}
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007625/*
7626 * This function read the relevant field from the module (SFP+), and verify it
7627 * is compliant with this board
7628 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007629static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
7630 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007631{
7632 struct bnx2x *bp = params->bp;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007633 u32 val, cmd;
7634 u32 fw_resp, fw_cmd_param;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007635 char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
7636 char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007637 phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007638 val = REG_RD(bp, params->shmem_base +
7639 offsetof(struct shmem_region, dev_info.
7640 port_feature_config[params->port].config));
7641 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
7642 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
7643 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
7644 return 0;
7645 }
7646
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007647 if (params->feature_config_flags &
7648 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
7649 /* Use specific phy request */
7650 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
7651 } else if (params->feature_config_flags &
7652 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
7653 /* Use first phy request only in case of non-dual media*/
7654 if (DUAL_MEDIA(params)) {
7655 DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
7656 "verification\n");
7657 return -EINVAL;
7658 }
7659 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
7660 } else {
7661 /* No support in OPT MDL detection */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007662 DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007663 "verification\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007664 return -EINVAL;
7665 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007666
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007667 fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
7668 fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007669 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
7670 DP(NETIF_MSG_LINK, "Approved module\n");
7671 return 0;
7672 }
7673
7674 /* format the warning message */
7675 if (bnx2x_read_sfp_module_eeprom(phy,
7676 params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007677 SFP_EEPROM_VENDOR_NAME_ADDR,
7678 SFP_EEPROM_VENDOR_NAME_SIZE,
7679 (u8 *)vendor_name))
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007680 vendor_name[0] = '\0';
7681 else
7682 vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
7683 if (bnx2x_read_sfp_module_eeprom(phy,
7684 params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007685 SFP_EEPROM_PART_NO_ADDR,
7686 SFP_EEPROM_PART_NO_SIZE,
7687 (u8 *)vendor_pn))
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007688 vendor_pn[0] = '\0';
7689 else
7690 vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
7691
Yaniv Rosner6d870c32011-01-31 04:22:20 +00007692 netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
7693 " Port %d from %s part number %s\n",
7694 params->port, vendor_name, vendor_pn);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007695 phy->flags |= FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007696 return -EINVAL;
7697}
7698
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007699static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
7700 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007701
7702{
7703 u8 val;
7704 struct bnx2x *bp = params->bp;
7705 u16 timeout;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007706 /*
7707 * Initialization time after hot-plug may take up to 300ms for
7708 * some phys type ( e.g. JDSU )
7709 */
7710
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007711 for (timeout = 0; timeout < 60; timeout++) {
7712 if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
7713 == 0) {
7714 DP(NETIF_MSG_LINK, "SFP+ module initialization "
7715 "took %d ms\n", timeout * 5);
7716 return 0;
7717 }
7718 msleep(5);
7719 }
7720 return -EINVAL;
7721}
7722
7723static void bnx2x_8727_power_module(struct bnx2x *bp,
7724 struct bnx2x_phy *phy,
7725 u8 is_power_up) {
7726 /* Make sure GPIOs are not using for LED mode */
7727 u16 val;
7728 /*
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007729 * In the GPIO register, bit 4 is use to determine if the GPIOs are
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007730 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
7731 * output
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007732 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
7733 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007734 * where the 1st bit is the over-current(only input), and 2nd bit is
7735 * for power( only output )
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007736 *
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007737 * In case of NOC feature is disabled and power is up, set GPIO control
7738 * as input to enable listening of over-current indication
7739 */
7740 if (phy->flags & FLAGS_NOC)
7741 return;
Yaniv Rosner27d02432011-05-31 21:27:48 +00007742 if (is_power_up)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007743 val = (1<<4);
7744 else
7745 /*
7746 * Set GPIO control to OUTPUT, and set the power bit
7747 * to according to the is_power_up
7748 */
Yaniv Rosner27d02432011-05-31 21:27:48 +00007749 val = (1<<1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007750
7751 bnx2x_cl45_write(bp, phy,
7752 MDIO_PMA_DEVAD,
7753 MDIO_PMA_REG_8727_GPIO_CTRL,
7754 val);
7755}
7756
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007757static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
7758 struct bnx2x_phy *phy,
7759 u16 edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007760{
7761 u16 cur_limiting_mode;
7762
7763 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007764 MDIO_PMA_DEVAD,
7765 MDIO_PMA_REG_ROM_VER2,
7766 &cur_limiting_mode);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007767 DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
7768 cur_limiting_mode);
7769
7770 if (edc_mode == EDC_MODE_LIMITING) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007771 DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007772 bnx2x_cl45_write(bp, phy,
7773 MDIO_PMA_DEVAD,
7774 MDIO_PMA_REG_ROM_VER2,
7775 EDC_MODE_LIMITING);
7776 } else { /* LRM mode ( default )*/
7777
7778 DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
7779
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007780 /*
7781 * Changing to LRM mode takes quite few seconds. So do it only
7782 * if current mode is limiting (default is LRM)
7783 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007784 if (cur_limiting_mode != EDC_MODE_LIMITING)
7785 return 0;
7786
7787 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007788 MDIO_PMA_DEVAD,
7789 MDIO_PMA_REG_LRM_MODE,
7790 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007791 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007792 MDIO_PMA_DEVAD,
7793 MDIO_PMA_REG_ROM_VER2,
7794 0x128);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007795 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007796 MDIO_PMA_DEVAD,
7797 MDIO_PMA_REG_MISC_CTRL0,
7798 0x4008);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007799 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007800 MDIO_PMA_DEVAD,
7801 MDIO_PMA_REG_LRM_MODE,
7802 0xaaaa);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007803 }
7804 return 0;
7805}
7806
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007807static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
7808 struct bnx2x_phy *phy,
7809 u16 edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007810{
7811 u16 phy_identifier;
7812 u16 rom_ver2_val;
7813 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007814 MDIO_PMA_DEVAD,
7815 MDIO_PMA_REG_PHY_IDENTIFIER,
7816 &phy_identifier);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007817
7818 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007819 MDIO_PMA_DEVAD,
7820 MDIO_PMA_REG_PHY_IDENTIFIER,
7821 (phy_identifier & ~(1<<9)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007822
7823 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007824 MDIO_PMA_DEVAD,
7825 MDIO_PMA_REG_ROM_VER2,
7826 &rom_ver2_val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007827 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
7828 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007829 MDIO_PMA_DEVAD,
7830 MDIO_PMA_REG_ROM_VER2,
7831 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007832
7833 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007834 MDIO_PMA_DEVAD,
7835 MDIO_PMA_REG_PHY_IDENTIFIER,
7836 (phy_identifier | (1<<9)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007837
7838 return 0;
7839}
7840
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007841static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
7842 struct link_params *params,
7843 u32 action)
7844{
7845 struct bnx2x *bp = params->bp;
7846
7847 switch (action) {
7848 case DISABLE_TX:
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007849 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007850 break;
7851 case ENABLE_TX:
7852 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007853 bnx2x_sfp_set_transmitter(params, phy, 1);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007854 break;
7855 default:
7856 DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
7857 action);
7858 return;
7859 }
7860}
7861
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007862static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007863 u8 gpio_mode)
7864{
7865 struct bnx2x *bp = params->bp;
7866
7867 u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
7868 offsetof(struct shmem_region,
7869 dev_info.port_hw_config[params->port].sfp_ctrl)) &
7870 PORT_HW_CFG_FAULT_MODULE_LED_MASK;
7871 switch (fault_led_gpio) {
7872 case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
7873 return;
7874 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
7875 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
7876 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
7877 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
7878 {
7879 u8 gpio_port = bnx2x_get_gpio_port(params);
7880 u16 gpio_pin = fault_led_gpio -
7881 PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
7882 DP(NETIF_MSG_LINK, "Set fault module-detected led "
7883 "pin %x port %x mode %x\n",
7884 gpio_pin, gpio_port, gpio_mode);
7885 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7886 }
7887 break;
7888 default:
7889 DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
7890 fault_led_gpio);
7891 }
7892}
7893
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007894static void bnx2x_set_e3_module_fault_led(struct link_params *params,
7895 u8 gpio_mode)
7896{
7897 u32 pin_cfg;
7898 u8 port = params->port;
7899 struct bnx2x *bp = params->bp;
7900 pin_cfg = (REG_RD(bp, params->shmem_base +
7901 offsetof(struct shmem_region,
7902 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
7903 PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
7904 PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
7905 DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
7906 gpio_mode, pin_cfg);
7907 bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
7908}
7909
7910static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
7911 u8 gpio_mode)
7912{
7913 struct bnx2x *bp = params->bp;
7914 DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
7915 if (CHIP_IS_E3(bp)) {
7916 /*
7917 * Low ==> if SFP+ module is supported otherwise
7918 * High ==> if SFP+ module is not on the approved vendor list
7919 */
7920 bnx2x_set_e3_module_fault_led(params, gpio_mode);
7921 } else
7922 bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
7923}
7924
7925static void bnx2x_warpcore_power_module(struct link_params *params,
7926 struct bnx2x_phy *phy,
7927 u8 power)
7928{
7929 u32 pin_cfg;
7930 struct bnx2x *bp = params->bp;
7931
7932 pin_cfg = (REG_RD(bp, params->shmem_base +
7933 offsetof(struct shmem_region,
7934 dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
7935 PORT_HW_CFG_E3_PWR_DIS_MASK) >>
7936 PORT_HW_CFG_E3_PWR_DIS_SHIFT;
Yaniv Rosner985848f2011-07-05 01:06:48 +00007937
7938 if (pin_cfg == PIN_CFG_NA)
7939 return;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007940 DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
7941 power, pin_cfg);
7942 /*
7943 * Low ==> corresponding SFP+ module is powered
7944 * high ==> the SFP+ module is powered down
7945 */
7946 bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
7947}
7948
Yaniv Rosner985848f2011-07-05 01:06:48 +00007949static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
7950 struct link_params *params)
7951{
7952 bnx2x_warpcore_power_module(params, phy, 0);
7953}
7954
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007955static void bnx2x_power_sfp_module(struct link_params *params,
7956 struct bnx2x_phy *phy,
7957 u8 power)
7958{
7959 struct bnx2x *bp = params->bp;
7960 DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
7961
7962 switch (phy->type) {
7963 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
7964 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
7965 bnx2x_8727_power_module(params->bp, phy, power);
7966 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007967 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7968 bnx2x_warpcore_power_module(params, phy, power);
7969 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007970 default:
7971 break;
7972 }
7973}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007974static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
7975 struct bnx2x_phy *phy,
7976 u16 edc_mode)
7977{
7978 u16 val = 0;
7979 u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
7980 struct bnx2x *bp = params->bp;
7981
7982 u8 lane = bnx2x_get_warpcore_lane(phy, params);
7983 /* This is a global register which controls all lanes */
7984 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
7985 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
7986 val &= ~(0xf << (lane << 2));
7987
7988 switch (edc_mode) {
7989 case EDC_MODE_LINEAR:
7990 case EDC_MODE_LIMITING:
7991 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
7992 break;
7993 case EDC_MODE_PASSIVE_DAC:
7994 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
7995 break;
7996 default:
7997 break;
7998 }
7999
8000 val |= (mode << (lane << 2));
8001 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
8002 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
8003 /* A must read */
8004 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8005 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8006
8007
8008}
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008009
8010static void bnx2x_set_limiting_mode(struct link_params *params,
8011 struct bnx2x_phy *phy,
8012 u16 edc_mode)
8013{
8014 switch (phy->type) {
8015 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8016 bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
8017 break;
8018 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8019 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8020 bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
8021 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008022 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8023 bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
8024 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008025 }
8026}
8027
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008028int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
8029 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008030{
8031 struct bnx2x *bp = params->bp;
8032 u16 edc_mode;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008033 int rc = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008034
8035 u32 val = REG_RD(bp, params->shmem_base +
8036 offsetof(struct shmem_region, dev_info.
8037 port_feature_config[params->port].config));
8038
8039 DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
8040 params->port);
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008041 /* Power up module */
8042 bnx2x_power_sfp_module(params, phy, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008043 if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
8044 DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
8045 return -EINVAL;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008046 } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008047 /* check SFP+ module compatibility */
8048 DP(NETIF_MSG_LINK, "Module verification failed!!\n");
8049 rc = -EINVAL;
8050 /* Turn on fault module-detected led */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008051 bnx2x_set_sfp_module_fault_led(params,
8052 MISC_REGISTERS_GPIO_HIGH);
8053
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008054 /* Check if need to power down the SFP+ module */
8055 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8056 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008057 DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008058 bnx2x_power_sfp_module(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008059 return rc;
8060 }
8061 } else {
8062 /* Turn off fault module-detected led */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008063 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008064 }
8065
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008066 /*
8067 * Check and set limiting mode / LRM mode on 8726. On 8727 it
8068 * is done automatically
8069 */
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008070 bnx2x_set_limiting_mode(params, phy, edc_mode);
8071
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008072 /*
8073 * Enable transmit for this module if the module is approved, or
8074 * if unapproved modules should also enable the Tx laser
8075 */
8076 if (rc == 0 ||
8077 (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8078 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008079 bnx2x_sfp_set_transmitter(params, phy, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008080 else
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008081 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008082
8083 return rc;
8084}
8085
8086void bnx2x_handle_module_detect_int(struct link_params *params)
8087{
8088 struct bnx2x *bp = params->bp;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008089 struct bnx2x_phy *phy;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008090 u32 gpio_val;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008091 u8 gpio_num, gpio_port;
8092 if (CHIP_IS_E3(bp))
8093 phy = &params->phy[INT_PHY];
8094 else
8095 phy = &params->phy[EXT_PHY1];
8096
8097 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
8098 params->port, &gpio_num, &gpio_port) ==
8099 -EINVAL) {
8100 DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
8101 return;
8102 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008103
8104 /* Set valid module led off */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008105 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008106
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008107 /* Get current gpio val reflecting module plugged in / out*/
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008108 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008109
8110 /* Call the handling function in case module is detected */
8111 if (gpio_val == 0) {
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008112 bnx2x_power_sfp_module(params, phy, 1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008113 bnx2x_set_gpio_int(bp, gpio_num,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008114 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008115 gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008116 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
8117 bnx2x_sfp_module_detection(phy, params);
8118 else
8119 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
8120 } else {
8121 u32 val = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008122 offsetof(struct shmem_region, dev_info.
8123 port_feature_config[params->port].
8124 config));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008125
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008126 bnx2x_set_gpio_int(bp, gpio_num,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008127 MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008128 gpio_port);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008129 /*
8130 * Module was plugged out.
8131 * Disable transmit for this module
8132 */
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00008133 phy->media_type = ETH_PHY_NOT_PRESENT;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008134 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8135 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008136 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008137 }
8138}
8139
8140/******************************************************************/
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008141/* Used by 8706 and 8727 */
8142/******************************************************************/
8143static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
8144 struct bnx2x_phy *phy,
8145 u16 alarm_status_offset,
8146 u16 alarm_ctrl_offset)
8147{
8148 u16 alarm_status, val;
8149 bnx2x_cl45_read(bp, phy,
8150 MDIO_PMA_DEVAD, alarm_status_offset,
8151 &alarm_status);
8152 bnx2x_cl45_read(bp, phy,
8153 MDIO_PMA_DEVAD, alarm_status_offset,
8154 &alarm_status);
8155 /* Mask or enable the fault event. */
8156 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
8157 if (alarm_status & (1<<0))
8158 val &= ~(1<<0);
8159 else
8160 val |= (1<<0);
8161 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
8162}
8163/******************************************************************/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008164/* common BCM8706/BCM8726 PHY SECTION */
8165/******************************************************************/
8166static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
8167 struct link_params *params,
8168 struct link_vars *vars)
8169{
8170 u8 link_up = 0;
8171 u16 val1, val2, rx_sd, pcs_status;
8172 struct bnx2x *bp = params->bp;
8173 DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
8174 /* Clear RX Alarm*/
8175 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008176 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008177
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008178 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8179 MDIO_PMA_LASI_TXCTRL);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008180
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008181 /* clear LASI indication*/
8182 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008183 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008184 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008185 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008186 DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8187
8188 bnx2x_cl45_read(bp, phy,
8189 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8190 bnx2x_cl45_read(bp, phy,
8191 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
8192 bnx2x_cl45_read(bp, phy,
8193 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8194 bnx2x_cl45_read(bp, phy,
8195 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8196
8197 DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
8198 " link_status 0x%x\n", rx_sd, pcs_status, val2);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008199 /*
8200 * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
8201 * are set, or if the autoneg bit 1 is set
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008202 */
8203 link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
8204 if (link_up) {
8205 if (val2 & (1<<1))
8206 vars->line_speed = SPEED_1000;
8207 else
8208 vars->line_speed = SPEED_10000;
8209 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00008210 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008211 }
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008212
8213 /* Capture 10G link fault. Read twice to clear stale value. */
8214 if (vars->line_speed == SPEED_10000) {
8215 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008216 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008217 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008218 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008219 if (val1 & (1<<0))
8220 vars->fault_detected = 1;
8221 }
8222
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008223 return link_up;
8224}
8225
8226/******************************************************************/
8227/* BCM8706 PHY SECTION */
8228/******************************************************************/
8229static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
8230 struct link_params *params,
8231 struct link_vars *vars)
8232{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008233 u32 tx_en_mode;
8234 u16 cnt, val, tmp1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008235 struct bnx2x *bp = params->bp;
Yaniv Rosner3deb8162011-06-14 01:34:33 +00008236
8237 /* SPF+ PHY: Set flag to check for Tx error */
8238 vars->phy_flags = PHY_TX_ERROR_CHECK_FLAG;
8239
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008240 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008241 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008242 /* HW reset */
8243 bnx2x_ext_phy_hw_reset(bp, params->port);
8244 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00008245 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008246
8247 /* Wait until fw is loaded */
8248 for (cnt = 0; cnt < 100; cnt++) {
8249 bnx2x_cl45_read(bp, phy,
8250 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
8251 if (val)
8252 break;
8253 msleep(10);
8254 }
8255 DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
8256 if ((params->feature_config_flags &
8257 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8258 u8 i;
8259 u16 reg;
8260 for (i = 0; i < 4; i++) {
8261 reg = MDIO_XS_8706_REG_BANK_RX0 +
8262 i*(MDIO_XS_8706_REG_BANK_RX1 -
8263 MDIO_XS_8706_REG_BANK_RX0);
8264 bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
8265 /* Clear first 3 bits of the control */
8266 val &= ~0x7;
8267 /* Set control bits according to configuration */
8268 val |= (phy->rx_preemphasis[i] & 0x7);
8269 DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
8270 " reg 0x%x <-- val 0x%x\n", reg, val);
8271 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
8272 }
8273 }
8274 /* Force speed */
8275 if (phy->req_line_speed == SPEED_10000) {
8276 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
8277
8278 bnx2x_cl45_write(bp, phy,
8279 MDIO_PMA_DEVAD,
8280 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
8281 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008282 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008283 0);
8284 /* Arm LASI for link and Tx fault. */
8285 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008286 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008287 } else {
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008288 /* Force 1Gbps using autoneg with 1G advertisement */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008289
8290 /* Allow CL37 through CL73 */
8291 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
8292 bnx2x_cl45_write(bp, phy,
8293 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8294
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008295 /* Enable Full-Duplex advertisement on CL37 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008296 bnx2x_cl45_write(bp, phy,
8297 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
8298 /* Enable CL37 AN */
8299 bnx2x_cl45_write(bp, phy,
8300 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8301 /* 1G support */
8302 bnx2x_cl45_write(bp, phy,
8303 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
8304
8305 /* Enable clause 73 AN */
8306 bnx2x_cl45_write(bp, phy,
8307 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8308 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008309 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008310 0x0400);
8311 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008312 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008313 0x0004);
8314 }
8315 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008316
8317 /*
8318 * If TX Laser is controlled by GPIO_0, do not let PHY go into low
8319 * power mode, if TX Laser is disabled
8320 */
8321
8322 tx_en_mode = REG_RD(bp, params->shmem_base +
8323 offsetof(struct shmem_region,
8324 dev_info.port_hw_config[params->port].sfp_ctrl))
8325 & PORT_HW_CFG_TX_LASER_MASK;
8326
8327 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8328 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8329 bnx2x_cl45_read(bp, phy,
8330 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
8331 tmp1 |= 0x1;
8332 bnx2x_cl45_write(bp, phy,
8333 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
8334 }
8335
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008336 return 0;
8337}
8338
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008339static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
8340 struct link_params *params,
8341 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008342{
8343 return bnx2x_8706_8726_read_status(phy, params, vars);
8344}
8345
8346/******************************************************************/
8347/* BCM8726 PHY SECTION */
8348/******************************************************************/
8349static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
8350 struct link_params *params)
8351{
8352 struct bnx2x *bp = params->bp;
8353 DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
8354 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
8355}
8356
8357static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
8358 struct link_params *params)
8359{
8360 struct bnx2x *bp = params->bp;
8361 /* Need to wait 100ms after reset */
8362 msleep(100);
8363
8364 /* Micro controller re-boot */
8365 bnx2x_cl45_write(bp, phy,
8366 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
8367
8368 /* Set soft reset */
8369 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008370 MDIO_PMA_DEVAD,
8371 MDIO_PMA_REG_GEN_CTRL,
8372 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008373
8374 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008375 MDIO_PMA_DEVAD,
8376 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008377
8378 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008379 MDIO_PMA_DEVAD,
8380 MDIO_PMA_REG_GEN_CTRL,
8381 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008382
8383 /* wait for 150ms for microcode load */
8384 msleep(150);
8385
8386 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
8387 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008388 MDIO_PMA_DEVAD,
8389 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008390
8391 msleep(200);
8392 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8393}
8394
8395static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
8396 struct link_params *params,
8397 struct link_vars *vars)
8398{
8399 struct bnx2x *bp = params->bp;
8400 u16 val1;
8401 u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
8402 if (link_up) {
8403 bnx2x_cl45_read(bp, phy,
8404 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
8405 &val1);
8406 if (val1 & (1<<15)) {
8407 DP(NETIF_MSG_LINK, "Tx is disabled\n");
8408 link_up = 0;
8409 vars->line_speed = 0;
8410 }
8411 }
8412 return link_up;
8413}
8414
8415
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008416static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
8417 struct link_params *params,
8418 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008419{
8420 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008421 DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008422
Yaniv Rosner3deb8162011-06-14 01:34:33 +00008423 /* SPF+ PHY: Set flag to check for Tx error */
8424 vars->phy_flags = PHY_TX_ERROR_CHECK_FLAG;
8425
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008426 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00008427 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008428
8429 bnx2x_8726_external_rom_boot(phy, params);
8430
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008431 /*
8432 * Need to call module detected on initialization since the module
8433 * detection triggered by actual module insertion might occur before
8434 * driver is loaded, and when driver is loaded, it reset all
8435 * registers, including the transmitter
8436 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008437 bnx2x_sfp_module_detection(phy, params);
8438
8439 if (phy->req_line_speed == SPEED_1000) {
8440 DP(NETIF_MSG_LINK, "Setting 1G force\n");
8441 bnx2x_cl45_write(bp, phy,
8442 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
8443 bnx2x_cl45_write(bp, phy,
8444 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
8445 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008446 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008447 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008448 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008449 0x400);
8450 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
8451 (phy->speed_cap_mask &
8452 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
8453 ((phy->speed_cap_mask &
8454 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
8455 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
8456 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
8457 /* Set Flow control */
8458 bnx2x_ext_phy_set_pause(params, phy, vars);
8459 bnx2x_cl45_write(bp, phy,
8460 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
8461 bnx2x_cl45_write(bp, phy,
8462 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8463 bnx2x_cl45_write(bp, phy,
8464 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
8465 bnx2x_cl45_write(bp, phy,
8466 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8467 bnx2x_cl45_write(bp, phy,
8468 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008469 /*
8470 * Enable RX-ALARM control to receive interrupt for 1G speed
8471 * change
8472 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008473 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008474 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008475 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008476 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008477 0x400);
8478
8479 } else { /* Default 10G. Set only LASI control */
8480 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008481 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008482 }
8483
8484 /* Set TX PreEmphasis if needed */
8485 if ((params->feature_config_flags &
8486 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8487 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
8488 "TX_CTRL2 0x%x\n",
8489 phy->tx_preemphasis[0],
8490 phy->tx_preemphasis[1]);
8491 bnx2x_cl45_write(bp, phy,
8492 MDIO_PMA_DEVAD,
8493 MDIO_PMA_REG_8726_TX_CTRL1,
8494 phy->tx_preemphasis[0]);
8495
8496 bnx2x_cl45_write(bp, phy,
8497 MDIO_PMA_DEVAD,
8498 MDIO_PMA_REG_8726_TX_CTRL2,
8499 phy->tx_preemphasis[1]);
8500 }
8501
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008502 return 0;
8503
8504}
8505
8506static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
8507 struct link_params *params)
8508{
8509 struct bnx2x *bp = params->bp;
8510 DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
8511 /* Set serial boot control for external load */
8512 bnx2x_cl45_write(bp, phy,
8513 MDIO_PMA_DEVAD,
8514 MDIO_PMA_REG_GEN_CTRL, 0x0001);
8515}
8516
8517/******************************************************************/
8518/* BCM8727 PHY SECTION */
8519/******************************************************************/
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00008520
8521static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
8522 struct link_params *params, u8 mode)
8523{
8524 struct bnx2x *bp = params->bp;
8525 u16 led_mode_bitmask = 0;
8526 u16 gpio_pins_bitmask = 0;
8527 u16 val;
8528 /* Only NOC flavor requires to set the LED specifically */
8529 if (!(phy->flags & FLAGS_NOC))
8530 return;
8531 switch (mode) {
8532 case LED_MODE_FRONT_PANEL_OFF:
8533 case LED_MODE_OFF:
8534 led_mode_bitmask = 0;
8535 gpio_pins_bitmask = 0x03;
8536 break;
8537 case LED_MODE_ON:
8538 led_mode_bitmask = 0;
8539 gpio_pins_bitmask = 0x02;
8540 break;
8541 case LED_MODE_OPER:
8542 led_mode_bitmask = 0x60;
8543 gpio_pins_bitmask = 0x11;
8544 break;
8545 }
8546 bnx2x_cl45_read(bp, phy,
8547 MDIO_PMA_DEVAD,
8548 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8549 &val);
8550 val &= 0xff8f;
8551 val |= led_mode_bitmask;
8552 bnx2x_cl45_write(bp, phy,
8553 MDIO_PMA_DEVAD,
8554 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8555 val);
8556 bnx2x_cl45_read(bp, phy,
8557 MDIO_PMA_DEVAD,
8558 MDIO_PMA_REG_8727_GPIO_CTRL,
8559 &val);
8560 val &= 0xffe0;
8561 val |= gpio_pins_bitmask;
8562 bnx2x_cl45_write(bp, phy,
8563 MDIO_PMA_DEVAD,
8564 MDIO_PMA_REG_8727_GPIO_CTRL,
8565 val);
8566}
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008567static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
8568 struct link_params *params) {
8569 u32 swap_val, swap_override;
8570 u8 port;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008571 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008572 * The PHY reset is controlled by GPIO 1. Fake the port number
8573 * to cancel the swap done in set_gpio()
8574 */
8575 struct bnx2x *bp = params->bp;
8576 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
8577 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
8578 port = (swap_val && swap_override) ^ 1;
8579 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008580 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008581}
8582
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008583static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
8584 struct link_params *params,
8585 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008586{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008587 u32 tx_en_mode;
8588 u16 tmp1, val, mod_abs, tmp2;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008589 u16 rx_alarm_ctrl_val;
8590 u16 lasi_ctrl_val;
8591 struct bnx2x *bp = params->bp;
8592 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
8593
Yaniv Rosner3deb8162011-06-14 01:34:33 +00008594 /* SPF+ PHY: Set flag to check for Tx error */
8595 vars->phy_flags = PHY_TX_ERROR_CHECK_FLAG;
8596
Yaniv Rosner6d870c32011-01-31 04:22:20 +00008597 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008598 rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008599 /* Should be 0x6 to enable XS on Tx side. */
8600 lasi_ctrl_val = 0x0006;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008601
8602 DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
8603 /* enable LASI */
8604 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008605 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008606 rx_alarm_ctrl_val);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008607 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008608 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008609 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008610 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008611 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008612
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008613 /*
8614 * Initially configure MOD_ABS to interrupt when module is
8615 * presence( bit 8)
8616 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008617 bnx2x_cl45_read(bp, phy,
8618 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008619 /*
8620 * Set EDC off by setting OPTXLOS signal input to low (bit 9).
8621 * When the EDC is off it locks onto a reference clock and avoids
8622 * becoming 'lost'
8623 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00008624 mod_abs &= ~(1<<8);
8625 if (!(phy->flags & FLAGS_NOC))
8626 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008627 bnx2x_cl45_write(bp, phy,
8628 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
8629
8630
Yaniv Rosner85242ee2011-07-05 01:06:53 +00008631 /* Enable/Disable PHY transmitter output */
8632 bnx2x_set_disable_pmd_transmit(params, phy, 0);
8633
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008634 /* Make MOD_ABS give interrupt on change */
8635 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8636 &val);
8637 val |= (1<<12);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00008638 if (phy->flags & FLAGS_NOC)
8639 val |= (3<<5);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008640
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008641 /*
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00008642 * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
8643 * status which reflect SFP+ module over-current
8644 */
8645 if (!(phy->flags & FLAGS_NOC))
8646 val &= 0xff8f; /* Reset bits 4-6 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008647 bnx2x_cl45_write(bp, phy,
8648 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
8649
8650 bnx2x_8727_power_module(bp, phy, 1);
8651
8652 bnx2x_cl45_read(bp, phy,
8653 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
8654
8655 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008656 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008657
8658 /* Set option 1G speed */
8659 if (phy->req_line_speed == SPEED_1000) {
8660 DP(NETIF_MSG_LINK, "Setting 1G force\n");
8661 bnx2x_cl45_write(bp, phy,
8662 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
8663 bnx2x_cl45_write(bp, phy,
8664 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
8665 bnx2x_cl45_read(bp, phy,
8666 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
8667 DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008668 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008669 * Power down the XAUI until link is up in case of dual-media
8670 * and 1G
8671 */
8672 if (DUAL_MEDIA(params)) {
8673 bnx2x_cl45_read(bp, phy,
8674 MDIO_PMA_DEVAD,
8675 MDIO_PMA_REG_8727_PCS_GP, &val);
8676 val |= (3<<10);
8677 bnx2x_cl45_write(bp, phy,
8678 MDIO_PMA_DEVAD,
8679 MDIO_PMA_REG_8727_PCS_GP, val);
8680 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008681 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
8682 ((phy->speed_cap_mask &
8683 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
8684 ((phy->speed_cap_mask &
8685 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
8686 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
8687
8688 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
8689 bnx2x_cl45_write(bp, phy,
8690 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
8691 bnx2x_cl45_write(bp, phy,
8692 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
8693 } else {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008694 /*
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008695 * Since the 8727 has only single reset pin, need to set the 10G
8696 * registers although it is default
8697 */
8698 bnx2x_cl45_write(bp, phy,
8699 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
8700 0x0020);
8701 bnx2x_cl45_write(bp, phy,
8702 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
8703 bnx2x_cl45_write(bp, phy,
8704 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
8705 bnx2x_cl45_write(bp, phy,
8706 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
8707 0x0008);
8708 }
8709
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008710 /*
8711 * Set 2-wire transfer rate of SFP+ module EEPROM
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008712 * to 100Khz since some DACs(direct attached cables) do
8713 * not work at 400Khz.
8714 */
8715 bnx2x_cl45_write(bp, phy,
8716 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
8717 0xa001);
8718
8719 /* Set TX PreEmphasis if needed */
8720 if ((params->feature_config_flags &
8721 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8722 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
8723 phy->tx_preemphasis[0],
8724 phy->tx_preemphasis[1]);
8725 bnx2x_cl45_write(bp, phy,
8726 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
8727 phy->tx_preemphasis[0]);
8728
8729 bnx2x_cl45_write(bp, phy,
8730 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
8731 phy->tx_preemphasis[1]);
8732 }
8733
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008734 /*
8735 * If TX Laser is controlled by GPIO_0, do not let PHY go into low
8736 * power mode, if TX Laser is disabled
8737 */
8738 tx_en_mode = REG_RD(bp, params->shmem_base +
8739 offsetof(struct shmem_region,
8740 dev_info.port_hw_config[params->port].sfp_ctrl))
8741 & PORT_HW_CFG_TX_LASER_MASK;
8742
8743 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8744
8745 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8746 bnx2x_cl45_read(bp, phy,
8747 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
8748 tmp2 |= 0x1000;
8749 tmp2 &= 0xFFEF;
8750 bnx2x_cl45_write(bp, phy,
8751 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
8752 }
8753
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008754 return 0;
8755}
8756
8757static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
8758 struct link_params *params)
8759{
8760 struct bnx2x *bp = params->bp;
8761 u16 mod_abs, rx_alarm_status;
8762 u32 val = REG_RD(bp, params->shmem_base +
8763 offsetof(struct shmem_region, dev_info.
8764 port_feature_config[params->port].
8765 config));
8766 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008767 MDIO_PMA_DEVAD,
8768 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008769 if (mod_abs & (1<<8)) {
8770
8771 /* Module is absent */
8772 DP(NETIF_MSG_LINK, "MOD_ABS indication "
8773 "show module is absent\n");
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00008774 phy->media_type = ETH_PHY_NOT_PRESENT;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008775 /*
8776 * 1. Set mod_abs to detect next module
8777 * presence event
8778 * 2. Set EDC off by setting OPTXLOS signal input to low
8779 * (bit 9).
8780 * When the EDC is off it locks onto a reference clock and
8781 * avoids becoming 'lost'.
8782 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00008783 mod_abs &= ~(1<<8);
8784 if (!(phy->flags & FLAGS_NOC))
8785 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008786 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008787 MDIO_PMA_DEVAD,
8788 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008789
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008790 /*
8791 * Clear RX alarm since it stays up as long as
8792 * the mod_abs wasn't changed
8793 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008794 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008795 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008796 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008797
8798 } else {
8799 /* Module is present */
8800 DP(NETIF_MSG_LINK, "MOD_ABS indication "
8801 "show module is present\n");
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008802 /*
8803 * First disable transmitter, and if the module is ok, the
8804 * module_detection will enable it
8805 * 1. Set mod_abs to detect next module absent event ( bit 8)
8806 * 2. Restore the default polarity of the OPRXLOS signal and
8807 * this signal will then correctly indicate the presence or
8808 * absence of the Rx signal. (bit 9)
8809 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00008810 mod_abs |= (1<<8);
8811 if (!(phy->flags & FLAGS_NOC))
8812 mod_abs |= (1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008813 bnx2x_cl45_write(bp, phy,
8814 MDIO_PMA_DEVAD,
8815 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
8816
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008817 /*
8818 * Clear RX alarm since it stays up as long as the mod_abs
8819 * wasn't changed. This is need to be done before calling the
8820 * module detection, otherwise it will clear* the link update
8821 * alarm
8822 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008823 bnx2x_cl45_read(bp, phy,
8824 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008825 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008826
8827
8828 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8829 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008830 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008831
8832 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
8833 bnx2x_sfp_module_detection(phy, params);
8834 else
8835 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
8836 }
8837
8838 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008839 rx_alarm_status);
8840 /* No need to check link status in case of module plugged in/out */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008841}
8842
8843static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
8844 struct link_params *params,
8845 struct link_vars *vars)
8846
8847{
8848 struct bnx2x *bp = params->bp;
Yaniv Rosner27d02432011-05-31 21:27:48 +00008849 u8 link_up = 0, oc_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008850 u16 link_status = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008851 u16 rx_alarm_status, lasi_ctrl, val1;
8852
8853 /* If PHY is not initialized, do not check link status */
8854 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008855 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008856 &lasi_ctrl);
8857 if (!lasi_ctrl)
8858 return 0;
8859
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00008860 /* Check the LASI on Rx */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008861 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008862 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008863 &rx_alarm_status);
8864 vars->line_speed = 0;
8865 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
8866
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008867 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8868 MDIO_PMA_LASI_TXCTRL);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008869
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008870 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008871 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008872
8873 DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
8874
8875 /* Clear MSG-OUT */
8876 bnx2x_cl45_read(bp, phy,
8877 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
8878
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008879 /*
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008880 * If a module is present and there is need to check
8881 * for over current
8882 */
8883 if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
8884 /* Check over-current using 8727 GPIO0 input*/
8885 bnx2x_cl45_read(bp, phy,
8886 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
8887 &val1);
8888
8889 if ((val1 & (1<<8)) == 0) {
Yaniv Rosner27d02432011-05-31 21:27:48 +00008890 if (!CHIP_IS_E1x(bp))
8891 oc_port = BP_PATH(bp) + (params->port << 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008892 DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
Yaniv Rosner27d02432011-05-31 21:27:48 +00008893 " on port %d\n", oc_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008894 netdev_err(bp->dev, "Error: Power fault on Port %d has"
8895 " been detected and the power to "
8896 "that SFP+ module has been removed"
8897 " to prevent failure of the card."
8898 " Please remove the SFP+ module and"
8899 " restart the system to clear this"
8900 " error.\n",
Yaniv Rosner27d02432011-05-31 21:27:48 +00008901 oc_port);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008902 /* Disable all RX_ALARMs except for mod_abs */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008903 bnx2x_cl45_write(bp, phy,
8904 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008905 MDIO_PMA_LASI_RXCTRL, (1<<5));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008906
8907 bnx2x_cl45_read(bp, phy,
8908 MDIO_PMA_DEVAD,
8909 MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
8910 /* Wait for module_absent_event */
8911 val1 |= (1<<8);
8912 bnx2x_cl45_write(bp, phy,
8913 MDIO_PMA_DEVAD,
8914 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
8915 /* Clear RX alarm */
8916 bnx2x_cl45_read(bp, phy,
8917 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008918 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008919 return 0;
8920 }
8921 } /* Over current check */
8922
8923 /* When module absent bit is set, check module */
8924 if (rx_alarm_status & (1<<5)) {
8925 bnx2x_8727_handle_mod_abs(phy, params);
8926 /* Enable all mod_abs and link detection bits */
8927 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008928 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008929 ((1<<5) | (1<<2)));
8930 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008931 DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
8932 bnx2x_8727_specific_func(phy, params, ENABLE_TX);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008933 /* If transmitter is disabled, ignore false link up indication */
8934 bnx2x_cl45_read(bp, phy,
8935 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
8936 if (val1 & (1<<15)) {
8937 DP(NETIF_MSG_LINK, "Tx is disabled\n");
8938 return 0;
8939 }
8940
8941 bnx2x_cl45_read(bp, phy,
8942 MDIO_PMA_DEVAD,
8943 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
8944
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008945 /*
8946 * Bits 0..2 --> speed detected,
8947 * Bits 13..15--> link is down
8948 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008949 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
8950 link_up = 1;
8951 vars->line_speed = SPEED_10000;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008952 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
8953 params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008954 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
8955 link_up = 1;
8956 vars->line_speed = SPEED_1000;
8957 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
8958 params->port);
8959 } else {
8960 link_up = 0;
8961 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
8962 params->port);
8963 }
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008964
8965 /* Capture 10G link fault. */
8966 if (vars->line_speed == SPEED_10000) {
8967 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008968 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008969
8970 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008971 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008972
8973 if (val1 & (1<<0)) {
8974 vars->fault_detected = 1;
8975 }
8976 }
8977
Yaniv Rosner791f18c2011-01-18 04:33:42 +00008978 if (link_up) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008979 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00008980 vars->duplex = DUPLEX_FULL;
8981 DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
8982 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008983
8984 if ((DUAL_MEDIA(params)) &&
8985 (phy->req_line_speed == SPEED_1000)) {
8986 bnx2x_cl45_read(bp, phy,
8987 MDIO_PMA_DEVAD,
8988 MDIO_PMA_REG_8727_PCS_GP, &val1);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008989 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008990 * In case of dual-media board and 1G, power up the XAUI side,
8991 * otherwise power it down. For 10G it is done automatically
8992 */
8993 if (link_up)
8994 val1 &= ~(3<<10);
8995 else
8996 val1 |= (3<<10);
8997 bnx2x_cl45_write(bp, phy,
8998 MDIO_PMA_DEVAD,
8999 MDIO_PMA_REG_8727_PCS_GP, val1);
9000 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009001 return link_up;
9002}
9003
9004static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
9005 struct link_params *params)
9006{
9007 struct bnx2x *bp = params->bp;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009008
9009 /* Enable/Disable PHY transmitter output */
9010 bnx2x_set_disable_pmd_transmit(params, phy, 1);
9011
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009012 /* Disable Transmitter */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00009013 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009014 /* Clear LASI */
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00009015 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009016
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009017}
9018
9019/******************************************************************/
9020/* BCM8481/BCM84823/BCM84833 PHY SECTION */
9021/******************************************************************/
9022static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
9023 struct link_params *params)
9024{
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009025 u16 val, fw_ver1, fw_ver2, cnt;
9026 u8 port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009027 struct bnx2x *bp = params->bp;
9028
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009029 port = params->port;
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00009030
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009031 /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
9032 /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009033 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
9034 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9035 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
9036 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
9037 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009038
9039 for (cnt = 0; cnt < 100; cnt++) {
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009040 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009041 if (val & 1)
9042 break;
9043 udelay(5);
9044 }
9045 if (cnt == 100) {
9046 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009047 bnx2x_save_spirom_version(bp, port, 0,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009048 phy->ver_addr);
9049 return;
9050 }
9051
9052
9053 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009054 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
9055 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9056 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009057 for (cnt = 0; cnt < 100; cnt++) {
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009058 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009059 if (val & 1)
9060 break;
9061 udelay(5);
9062 }
9063 if (cnt == 100) {
9064 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009065 bnx2x_save_spirom_version(bp, port, 0,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009066 phy->ver_addr);
9067 return;
9068 }
9069
9070 /* lower 16 bits of the register SPI_FW_STATUS */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009071 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009072 /* upper 16 bits of register SPI_FW_STATUS */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009073 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009074
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009075 bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009076 phy->ver_addr);
9077}
9078
9079static void bnx2x_848xx_set_led(struct bnx2x *bp,
9080 struct bnx2x_phy *phy)
9081{
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009082 u16 val;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009083
9084 /* PHYC_CTL_LED_CTL */
9085 bnx2x_cl45_read(bp, phy,
9086 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009087 MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009088 val &= 0xFE00;
9089 val |= 0x0092;
9090
9091 bnx2x_cl45_write(bp, phy,
9092 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009093 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009094
9095 bnx2x_cl45_write(bp, phy,
9096 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009097 MDIO_PMA_REG_8481_LED1_MASK,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009098 0x80);
9099
9100 bnx2x_cl45_write(bp, phy,
9101 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009102 MDIO_PMA_REG_8481_LED2_MASK,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009103 0x18);
9104
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00009105 /* Select activity source by Tx and Rx, as suggested by PHY AE */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009106 bnx2x_cl45_write(bp, phy,
9107 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009108 MDIO_PMA_REG_8481_LED3_MASK,
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00009109 0x0006);
9110
9111 /* Select the closest activity blink rate to that in 10/100/1000 */
9112 bnx2x_cl45_write(bp, phy,
9113 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009114 MDIO_PMA_REG_8481_LED3_BLINK,
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00009115 0);
9116
9117 bnx2x_cl45_read(bp, phy,
9118 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009119 MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00009120 val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
9121
9122 bnx2x_cl45_write(bp, phy,
9123 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009124 MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009125
9126 /* 'Interrupt Mask' */
9127 bnx2x_cl45_write(bp, phy,
9128 MDIO_AN_DEVAD,
9129 0xFFFB, 0xFFFD);
9130}
9131
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009132static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
9133 struct link_params *params,
9134 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009135{
9136 struct bnx2x *bp = params->bp;
9137 u16 autoneg_val, an_1000_val, an_10_100_val;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009138 u16 tmp_req_line_speed;
9139
9140 tmp_req_line_speed = phy->req_line_speed;
9141 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
9142 if (phy->req_line_speed == SPEED_10000)
9143 phy->req_line_speed = SPEED_AUTO_NEG;
9144
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009145 /*
9146 * This phy uses the NIG latch mechanism since link indication
9147 * arrives through its LED4 and not via its LASI signal, so we
9148 * get steady signal instead of clear on read
9149 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009150 bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
9151 1 << NIG_LATCH_BC_ENABLE_MI_INT);
9152
9153 bnx2x_cl45_write(bp, phy,
9154 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
9155
9156 bnx2x_848xx_set_led(bp, phy);
9157
9158 /* set 1000 speed advertisement */
9159 bnx2x_cl45_read(bp, phy,
9160 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9161 &an_1000_val);
9162
9163 bnx2x_ext_phy_set_pause(params, phy, vars);
9164 bnx2x_cl45_read(bp, phy,
9165 MDIO_AN_DEVAD,
9166 MDIO_AN_REG_8481_LEGACY_AN_ADV,
9167 &an_10_100_val);
9168 bnx2x_cl45_read(bp, phy,
9169 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9170 &autoneg_val);
9171 /* Disable forced speed */
9172 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9173 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
9174
9175 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9176 (phy->speed_cap_mask &
9177 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9178 (phy->req_line_speed == SPEED_1000)) {
9179 an_1000_val |= (1<<8);
9180 autoneg_val |= (1<<9 | 1<<12);
9181 if (phy->req_duplex == DUPLEX_FULL)
9182 an_1000_val |= (1<<9);
9183 DP(NETIF_MSG_LINK, "Advertising 1G\n");
9184 } else
9185 an_1000_val &= ~((1<<8) | (1<<9));
9186
9187 bnx2x_cl45_write(bp, phy,
9188 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9189 an_1000_val);
9190
Yaniv Rosner0520e632011-07-05 01:06:59 +00009191 /* set 100 speed advertisement */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009192 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9193 (phy->speed_cap_mask &
Yaniv Rosner0520e632011-07-05 01:06:59 +00009194 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
9195 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)) &&
9196 (phy->supported &
9197 (SUPPORTED_100baseT_Half |
9198 SUPPORTED_100baseT_Full)))) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009199 an_10_100_val |= (1<<7);
9200 /* Enable autoneg and restart autoneg for legacy speeds */
9201 autoneg_val |= (1<<9 | 1<<12);
9202
9203 if (phy->req_duplex == DUPLEX_FULL)
9204 an_10_100_val |= (1<<8);
9205 DP(NETIF_MSG_LINK, "Advertising 100M\n");
9206 }
9207 /* set 10 speed advertisement */
9208 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
Yaniv Rosner0520e632011-07-05 01:06:59 +00009209 (phy->speed_cap_mask &
9210 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
9211 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
9212 (phy->supported &
9213 (SUPPORTED_10baseT_Half |
9214 SUPPORTED_10baseT_Full)))) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009215 an_10_100_val |= (1<<5);
9216 autoneg_val |= (1<<9 | 1<<12);
9217 if (phy->req_duplex == DUPLEX_FULL)
9218 an_10_100_val |= (1<<6);
9219 DP(NETIF_MSG_LINK, "Advertising 10M\n");
9220 }
9221
9222 /* Only 10/100 are allowed to work in FORCE mode */
Yaniv Rosner0520e632011-07-05 01:06:59 +00009223 if ((phy->req_line_speed == SPEED_100) &&
9224 (phy->supported &
9225 (SUPPORTED_100baseT_Half |
9226 SUPPORTED_100baseT_Full))) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009227 autoneg_val |= (1<<13);
9228 /* Enabled AUTO-MDIX when autoneg is disabled */
9229 bnx2x_cl45_write(bp, phy,
9230 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9231 (1<<15 | 1<<9 | 7<<0));
9232 DP(NETIF_MSG_LINK, "Setting 100M force\n");
9233 }
Yaniv Rosner0520e632011-07-05 01:06:59 +00009234 if ((phy->req_line_speed == SPEED_10) &&
9235 (phy->supported &
9236 (SUPPORTED_10baseT_Half |
9237 SUPPORTED_10baseT_Full))) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009238 /* Enabled AUTO-MDIX when autoneg is disabled */
9239 bnx2x_cl45_write(bp, phy,
9240 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9241 (1<<15 | 1<<9 | 7<<0));
9242 DP(NETIF_MSG_LINK, "Setting 10M force\n");
9243 }
9244
9245 bnx2x_cl45_write(bp, phy,
9246 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
9247 an_10_100_val);
9248
9249 if (phy->req_duplex == DUPLEX_FULL)
9250 autoneg_val |= (1<<8);
9251
9252 bnx2x_cl45_write(bp, phy,
9253 MDIO_AN_DEVAD,
9254 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
9255
9256 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9257 (phy->speed_cap_mask &
9258 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
9259 (phy->req_line_speed == SPEED_10000)) {
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00009260 DP(NETIF_MSG_LINK, "Advertising 10G\n");
9261 /* Restart autoneg for 10G*/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009262
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00009263 bnx2x_cl45_write(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009264 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
9265 0x3200);
9266 } else if (phy->req_line_speed != SPEED_10 &&
9267 phy->req_line_speed != SPEED_100) {
9268 bnx2x_cl45_write(bp, phy,
9269 MDIO_AN_DEVAD,
9270 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9271 1);
9272 }
9273 /* Save spirom version */
9274 bnx2x_save_848xx_spirom_version(phy, params);
9275
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009276 phy->req_line_speed = tmp_req_line_speed;
9277
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009278 return 0;
9279}
9280
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009281static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
9282 struct link_params *params,
9283 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009284{
9285 struct bnx2x *bp = params->bp;
9286 /* Restore normal power mode*/
9287 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009288 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009289
9290 /* HW reset */
9291 bnx2x_ext_phy_hw_reset(bp, params->port);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00009292 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009293
9294 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9295 return bnx2x_848xx_cmn_config_init(phy, params, vars);
9296}
9297
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009298
9299#define PHY84833_HDSHK_WAIT 300
9300static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
9301 struct link_params *params,
9302 struct link_vars *vars)
9303{
9304 u32 idx;
Yaniv Rosner0520e632011-07-05 01:06:59 +00009305 u32 pair_swap;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009306 u16 val;
Yaniv Rosner0520e632011-07-05 01:06:59 +00009307 u16 data;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009308 struct bnx2x *bp = params->bp;
9309 /* Do pair swap */
9310
Yaniv Rosner0520e632011-07-05 01:06:59 +00009311 /* Check for configuration. */
9312 pair_swap = REG_RD(bp, params->shmem_base +
9313 offsetof(struct shmem_region,
9314 dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
9315 PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
9316
9317 if (pair_swap == 0)
9318 return 0;
9319
9320 data = (u16)pair_swap;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009321
9322 /* Write CMD_OPEN_OVERRIDE to STATUS reg */
9323 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9324 MDIO_84833_TOP_CFG_SCRATCH_REG2,
9325 PHY84833_CMD_OPEN_OVERRIDE);
9326 for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
9327 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9328 MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
9329 if (val == PHY84833_CMD_OPEN_FOR_CMDS)
9330 break;
9331 msleep(1);
9332 }
9333 if (idx >= PHY84833_HDSHK_WAIT) {
9334 DP(NETIF_MSG_LINK, "Pairswap: FW not ready.\n");
9335 return -EINVAL;
9336 }
9337
9338 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9339 MDIO_84833_TOP_CFG_SCRATCH_REG4,
9340 data);
9341 /* Issue pair swap command */
9342 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9343 MDIO_84833_TOP_CFG_SCRATCH_REG0,
9344 PHY84833_DIAG_CMD_PAIR_SWAP_CHANGE);
9345 for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
9346 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9347 MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
9348 if ((val == PHY84833_CMD_COMPLETE_PASS) ||
9349 (val == PHY84833_CMD_COMPLETE_ERROR))
9350 break;
9351 msleep(1);
9352 }
9353 if ((idx >= PHY84833_HDSHK_WAIT) ||
9354 (val == PHY84833_CMD_COMPLETE_ERROR)) {
9355 DP(NETIF_MSG_LINK, "Pairswap: override failed.\n");
9356 return -EINVAL;
9357 }
9358 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9359 MDIO_84833_TOP_CFG_SCRATCH_REG2,
9360 PHY84833_CMD_CLEAR_COMPLETE);
9361 DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data);
9362 return 0;
9363}
9364
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009365
Yaniv Rosner985848f2011-07-05 01:06:48 +00009366static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
9367 u32 shmem_base_path[],
9368 u32 chip_id)
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009369{
9370 u32 reset_pin[2];
9371 u32 idx;
9372 u8 reset_gpios;
9373 if (CHIP_IS_E3(bp)) {
9374 /* Assume that these will be GPIOs, not EPIOs. */
9375 for (idx = 0; idx < 2; idx++) {
9376 /* Map config param to register bit. */
9377 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9378 offsetof(struct shmem_region,
9379 dev_info.port_hw_config[0].e3_cmn_pin_cfg));
9380 reset_pin[idx] = (reset_pin[idx] &
9381 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
9382 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
9383 reset_pin[idx] -= PIN_CFG_GPIO0_P0;
9384 reset_pin[idx] = (1 << reset_pin[idx]);
9385 }
9386 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9387 } else {
9388 /* E2, look from diff place of shmem. */
9389 for (idx = 0; idx < 2; idx++) {
9390 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9391 offsetof(struct shmem_region,
9392 dev_info.port_hw_config[0].default_cfg));
9393 reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
9394 reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
9395 reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
9396 reset_pin[idx] = (1 << reset_pin[idx]);
9397 }
9398 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9399 }
9400
Yaniv Rosner985848f2011-07-05 01:06:48 +00009401 return reset_gpios;
9402}
9403
9404static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
9405 struct link_params *params)
9406{
9407 struct bnx2x *bp = params->bp;
9408 u8 reset_gpios;
9409 u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
9410 offsetof(struct shmem2_region,
9411 other_shmem_base_addr));
9412
9413 u32 shmem_base_path[2];
9414 shmem_base_path[0] = params->shmem_base;
9415 shmem_base_path[1] = other_shmem_base_addr;
9416
9417 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
9418 params->chip_id);
9419
9420 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
9421 udelay(10);
9422 DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
9423 reset_gpios);
9424
9425 return 0;
9426}
9427
9428static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
9429 u32 shmem_base_path[],
9430 u32 chip_id)
9431{
9432 u8 reset_gpios;
9433
9434 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
9435
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009436 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
9437 udelay(10);
9438 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
9439 msleep(800);
9440 DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
9441 reset_gpios);
9442
9443 return 0;
9444}
9445
Yaniv Rosnera89a1d42011-07-05 01:07:05 +00009446#define PHY84833_CONSTANT_LATENCY 1193
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009447static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
9448 struct link_params *params,
9449 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009450{
9451 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00009452 u8 port, initialize = 1;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009453 u16 val;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009454 u16 temp;
Yaniv Rosnera89a1d42011-07-05 01:07:05 +00009455 u32 actual_phy_selection, cms_enable, idx;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009456 int rc = 0;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009457
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009458 msleep(1);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009459
9460 if (!(CHIP_IS_E1(bp)))
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00009461 port = BP_PATH(bp);
9462 else
9463 port = params->port;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009464
9465 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
9466 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
9467 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
9468 port);
9469 } else {
Yaniv Rosner985848f2011-07-05 01:06:48 +00009470 /* MDIO reset */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009471 bnx2x_cl45_write(bp, phy,
9472 MDIO_PMA_DEVAD,
9473 MDIO_PMA_REG_CTRL, 0x8000);
Yaniv Rosner985848f2011-07-05 01:06:48 +00009474 /* Bring PHY out of super isolate mode */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009475 bnx2x_cl45_read(bp, phy,
9476 MDIO_CTL_DEVAD,
9477 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
9478 val &= ~MDIO_84833_SUPER_ISOLATE;
9479 bnx2x_cl45_write(bp, phy,
9480 MDIO_CTL_DEVAD,
9481 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009482 }
9483
Yaniv Rosner985848f2011-07-05 01:06:48 +00009484 bnx2x_wait_reset_complete(bp, phy, params);
9485
9486 /* Wait for GPHY to come out of reset */
9487 msleep(50);
9488
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009489 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
9490 bnx2x_84833_pair_swap_cfg(phy, params, vars);
9491
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009492 /*
9493 * BCM84823 requires that XGXS links up first @ 10G for normal behavior
9494 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009495 temp = vars->line_speed;
9496 vars->line_speed = SPEED_10000;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009497 bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
9498 bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009499 vars->line_speed = temp;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009500
9501 /* Set dual-media configuration according to configuration */
9502
9503 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009504 MDIO_CTL_REG_84823_MEDIA, &val);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009505 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
9506 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
9507 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
9508 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
9509 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009510
9511 if (CHIP_IS_E3(bp)) {
9512 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
9513 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
9514 } else {
9515 val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
9516 MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
9517 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009518
9519 actual_phy_selection = bnx2x_phy_selection(params);
9520
9521 switch (actual_phy_selection) {
9522 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
Lucas De Marchi25985ed2011-03-30 22:57:33 -03009523 /* Do nothing. Essentially this is like the priority copper */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009524 break;
9525 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
9526 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
9527 break;
9528 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
9529 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
9530 break;
9531 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
9532 /* Do nothing here. The first PHY won't be initialized at all */
9533 break;
9534 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
9535 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
9536 initialize = 0;
9537 break;
9538 }
9539 if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
9540 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
9541
9542 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009543 MDIO_CTL_REG_84823_MEDIA, val);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009544 DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
9545 params->multi_phy_config, val);
9546
Yaniv Rosnera89a1d42011-07-05 01:07:05 +00009547 /* AutogrEEEn */
9548 if (params->feature_config_flags &
9549 FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
9550 /* Ensure that f/w is ready */
9551 for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
9552 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9553 MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
9554 if (val == PHY84833_CMD_OPEN_FOR_CMDS)
9555 break;
9556 usleep_range(1000, 1000);
9557 }
9558 if (idx >= PHY84833_HDSHK_WAIT) {
9559 DP(NETIF_MSG_LINK, "AutogrEEEn: FW not ready.\n");
9560 return -EINVAL;
9561 }
9562
9563 /* Select EEE mode */
9564 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9565 MDIO_84833_TOP_CFG_SCRATCH_REG3,
9566 0x2);
9567
9568 /* Set Idle and Latency */
9569 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9570 MDIO_84833_TOP_CFG_SCRATCH_REG4,
9571 PHY84833_CONSTANT_LATENCY + 1);
9572
9573 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9574 MDIO_84833_TOP_CFG_DATA3_REG,
9575 PHY84833_CONSTANT_LATENCY + 1);
9576
9577 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9578 MDIO_84833_TOP_CFG_DATA4_REG,
9579 PHY84833_CONSTANT_LATENCY);
9580
9581 /* Send EEE instruction to command register */
9582 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9583 MDIO_84833_TOP_CFG_SCRATCH_REG0,
9584 PHY84833_DIAG_CMD_SET_EEE_MODE);
9585
9586 /* Ensure that the command has completed */
9587 for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
9588 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9589 MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
9590 if ((val == PHY84833_CMD_COMPLETE_PASS) ||
9591 (val == PHY84833_CMD_COMPLETE_ERROR))
9592 break;
9593 usleep_range(1000, 1000);
9594 }
9595 if ((idx >= PHY84833_HDSHK_WAIT) ||
9596 (val == PHY84833_CMD_COMPLETE_ERROR)) {
9597 DP(NETIF_MSG_LINK, "AutogrEEEn: command failed.\n");
9598 return -EINVAL;
9599 }
9600
9601 /* Reset command handler */
9602 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9603 MDIO_84833_TOP_CFG_SCRATCH_REG2,
9604 PHY84833_CMD_CLEAR_COMPLETE);
9605 }
9606
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009607 if (initialize)
9608 rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
9609 else
9610 bnx2x_save_848xx_spirom_version(phy, params);
Yaniv Rosnera89a1d42011-07-05 01:07:05 +00009611 /* 84833 PHY has a better feature and doesn't need to support this. */
9612 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
9613 cms_enable = REG_RD(bp, params->shmem_base +
Yaniv Rosner1bef68e2011-01-31 04:22:46 +00009614 offsetof(struct shmem_region,
9615 dev_info.port_hw_config[params->port].default_cfg)) &
9616 PORT_HW_CFG_ENABLE_CMS_MASK;
9617
Yaniv Rosnera89a1d42011-07-05 01:07:05 +00009618 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9619 MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
9620 if (cms_enable)
9621 val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
9622 else
9623 val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
9624 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9625 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
9626 }
Yaniv Rosner1bef68e2011-01-31 04:22:46 +00009627
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009628 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009629}
9630
9631static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009632 struct link_params *params,
9633 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009634{
9635 struct bnx2x *bp = params->bp;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009636 u16 val, val1, val2;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009637 u8 link_up = 0;
9638
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00009639
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009640 /* Check 10G-BaseT link status */
9641 /* Check PMD signal ok */
9642 bnx2x_cl45_read(bp, phy,
9643 MDIO_AN_DEVAD, 0xFFFA, &val1);
9644 bnx2x_cl45_read(bp, phy,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009645 MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009646 &val2);
9647 DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
9648
9649 /* Check link 10G */
9650 if (val2 & (1<<11)) {
9651 vars->line_speed = SPEED_10000;
Yaniv Rosner791f18c2011-01-18 04:33:42 +00009652 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009653 link_up = 1;
9654 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
9655 } else { /* Check Legacy speed link */
9656 u16 legacy_status, legacy_speed;
9657
9658 /* Enable expansion register 0x42 (Operation mode status) */
9659 bnx2x_cl45_write(bp, phy,
9660 MDIO_AN_DEVAD,
9661 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
9662
9663 /* Get legacy speed operation status */
9664 bnx2x_cl45_read(bp, phy,
9665 MDIO_AN_DEVAD,
9666 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
9667 &legacy_status);
9668
9669 DP(NETIF_MSG_LINK, "Legacy speed status"
9670 " = 0x%x\n", legacy_status);
9671 link_up = ((legacy_status & (1<<11)) == (1<<11));
9672 if (link_up) {
9673 legacy_speed = (legacy_status & (3<<9));
9674 if (legacy_speed == (0<<9))
9675 vars->line_speed = SPEED_10;
9676 else if (legacy_speed == (1<<9))
9677 vars->line_speed = SPEED_100;
9678 else if (legacy_speed == (2<<9))
9679 vars->line_speed = SPEED_1000;
9680 else /* Should not happen */
9681 vars->line_speed = 0;
9682
9683 if (legacy_status & (1<<8))
9684 vars->duplex = DUPLEX_FULL;
9685 else
9686 vars->duplex = DUPLEX_HALF;
9687
9688 DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
9689 " is_duplex_full= %d\n", vars->line_speed,
9690 (vars->duplex == DUPLEX_FULL));
9691 /* Check legacy speed AN resolution */
9692 bnx2x_cl45_read(bp, phy,
9693 MDIO_AN_DEVAD,
9694 MDIO_AN_REG_8481_LEGACY_MII_STATUS,
9695 &val);
9696 if (val & (1<<5))
9697 vars->link_status |=
9698 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
9699 bnx2x_cl45_read(bp, phy,
9700 MDIO_AN_DEVAD,
9701 MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
9702 &val);
9703 if ((val & (1<<0)) == 0)
9704 vars->link_status |=
9705 LINK_STATUS_PARALLEL_DETECTION_USED;
9706 }
9707 }
9708 if (link_up) {
9709 DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
9710 vars->line_speed);
9711 bnx2x_ext_phy_resolve_fc(phy, params, vars);
9712 }
9713
9714 return link_up;
9715}
9716
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009717
9718static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009719{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009720 int status = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009721 u32 spirom_ver;
9722 spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
9723 status = bnx2x_format_ver(spirom_ver, str, len);
9724 return status;
9725}
9726
9727static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
9728 struct link_params *params)
9729{
9730 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009731 MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009732 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009733 MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009734}
9735
9736static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
9737 struct link_params *params)
9738{
9739 bnx2x_cl45_write(params->bp, phy,
9740 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
9741 bnx2x_cl45_write(params->bp, phy,
9742 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
9743}
9744
9745static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
9746 struct link_params *params)
9747{
9748 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00009749 u8 port;
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009750 u16 val16;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009751
9752 if (!(CHIP_IS_E1(bp)))
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00009753 port = BP_PATH(bp);
9754 else
9755 port = params->port;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009756
9757 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
9758 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
9759 MISC_REGISTERS_GPIO_OUTPUT_LOW,
9760 port);
9761 } else {
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009762 bnx2x_cl45_read(bp, phy,
9763 MDIO_CTL_DEVAD,
9764 0x400f, &val16);
9765 /* Put to low power mode on newer FW */
9766 if ((val16 & 0x303f) > 0x1009)
9767 bnx2x_cl45_write(bp, phy,
9768 MDIO_PMA_DEVAD,
9769 MDIO_PMA_REG_CTRL, 0x800);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009770 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009771}
9772
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009773static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
9774 struct link_params *params, u8 mode)
9775{
9776 struct bnx2x *bp = params->bp;
9777 u16 val;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009778 u8 port;
9779
9780 if (!(CHIP_IS_E1(bp)))
9781 port = BP_PATH(bp);
9782 else
9783 port = params->port;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009784
9785 switch (mode) {
9786 case LED_MODE_OFF:
9787
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009788 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009789
9790 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
9791 SHARED_HW_CFG_LED_EXTPHY1) {
9792
9793 /* Set LED masks */
9794 bnx2x_cl45_write(bp, phy,
9795 MDIO_PMA_DEVAD,
9796 MDIO_PMA_REG_8481_LED1_MASK,
9797 0x0);
9798
9799 bnx2x_cl45_write(bp, phy,
9800 MDIO_PMA_DEVAD,
9801 MDIO_PMA_REG_8481_LED2_MASK,
9802 0x0);
9803
9804 bnx2x_cl45_write(bp, phy,
9805 MDIO_PMA_DEVAD,
9806 MDIO_PMA_REG_8481_LED3_MASK,
9807 0x0);
9808
9809 bnx2x_cl45_write(bp, phy,
9810 MDIO_PMA_DEVAD,
9811 MDIO_PMA_REG_8481_LED5_MASK,
9812 0x0);
9813
9814 } else {
9815 bnx2x_cl45_write(bp, phy,
9816 MDIO_PMA_DEVAD,
9817 MDIO_PMA_REG_8481_LED1_MASK,
9818 0x0);
9819 }
9820 break;
9821 case LED_MODE_FRONT_PANEL_OFF:
9822
9823 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009824 port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009825
9826 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
9827 SHARED_HW_CFG_LED_EXTPHY1) {
9828
9829 /* Set LED masks */
9830 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009831 MDIO_PMA_DEVAD,
9832 MDIO_PMA_REG_8481_LED1_MASK,
9833 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009834
9835 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009836 MDIO_PMA_DEVAD,
9837 MDIO_PMA_REG_8481_LED2_MASK,
9838 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009839
9840 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009841 MDIO_PMA_DEVAD,
9842 MDIO_PMA_REG_8481_LED3_MASK,
9843 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009844
9845 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009846 MDIO_PMA_DEVAD,
9847 MDIO_PMA_REG_8481_LED5_MASK,
9848 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009849
9850 } else {
9851 bnx2x_cl45_write(bp, phy,
9852 MDIO_PMA_DEVAD,
9853 MDIO_PMA_REG_8481_LED1_MASK,
9854 0x0);
9855 }
9856 break;
9857 case LED_MODE_ON:
9858
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009859 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009860
9861 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
9862 SHARED_HW_CFG_LED_EXTPHY1) {
9863 /* Set control reg */
9864 bnx2x_cl45_read(bp, phy,
9865 MDIO_PMA_DEVAD,
9866 MDIO_PMA_REG_8481_LINK_SIGNAL,
9867 &val);
9868 val &= 0x8000;
9869 val |= 0x2492;
9870
9871 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009872 MDIO_PMA_DEVAD,
9873 MDIO_PMA_REG_8481_LINK_SIGNAL,
9874 val);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009875
9876 /* Set LED masks */
9877 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009878 MDIO_PMA_DEVAD,
9879 MDIO_PMA_REG_8481_LED1_MASK,
9880 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009881
9882 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009883 MDIO_PMA_DEVAD,
9884 MDIO_PMA_REG_8481_LED2_MASK,
9885 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009886
9887 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009888 MDIO_PMA_DEVAD,
9889 MDIO_PMA_REG_8481_LED3_MASK,
9890 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009891
9892 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009893 MDIO_PMA_DEVAD,
9894 MDIO_PMA_REG_8481_LED5_MASK,
9895 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009896 } else {
9897 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009898 MDIO_PMA_DEVAD,
9899 MDIO_PMA_REG_8481_LED1_MASK,
9900 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009901 }
9902 break;
9903
9904 case LED_MODE_OPER:
9905
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009906 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009907
9908 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
9909 SHARED_HW_CFG_LED_EXTPHY1) {
9910
9911 /* Set control reg */
9912 bnx2x_cl45_read(bp, phy,
9913 MDIO_PMA_DEVAD,
9914 MDIO_PMA_REG_8481_LINK_SIGNAL,
9915 &val);
9916
9917 if (!((val &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009918 MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
9919 >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009920 DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009921 bnx2x_cl45_write(bp, phy,
9922 MDIO_PMA_DEVAD,
9923 MDIO_PMA_REG_8481_LINK_SIGNAL,
9924 0xa492);
9925 }
9926
9927 /* Set LED masks */
9928 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009929 MDIO_PMA_DEVAD,
9930 MDIO_PMA_REG_8481_LED1_MASK,
9931 0x10);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009932
9933 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009934 MDIO_PMA_DEVAD,
9935 MDIO_PMA_REG_8481_LED2_MASK,
9936 0x80);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009937
9938 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009939 MDIO_PMA_DEVAD,
9940 MDIO_PMA_REG_8481_LED3_MASK,
9941 0x98);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009942
9943 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009944 MDIO_PMA_DEVAD,
9945 MDIO_PMA_REG_8481_LED5_MASK,
9946 0x40);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009947
9948 } else {
9949 bnx2x_cl45_write(bp, phy,
9950 MDIO_PMA_DEVAD,
9951 MDIO_PMA_REG_8481_LED1_MASK,
9952 0x80);
Yaniv Rosner53eda062011-01-30 04:14:55 +00009953
9954 /* Tell LED3 to blink on source */
9955 bnx2x_cl45_read(bp, phy,
9956 MDIO_PMA_DEVAD,
9957 MDIO_PMA_REG_8481_LINK_SIGNAL,
9958 &val);
9959 val &= ~(7<<6);
9960 val |= (1<<6); /* A83B[8:6]= 1 */
9961 bnx2x_cl45_write(bp, phy,
9962 MDIO_PMA_DEVAD,
9963 MDIO_PMA_REG_8481_LINK_SIGNAL,
9964 val);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009965 }
9966 break;
9967 }
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009968
9969 /*
9970 * This is a workaround for E3+84833 until autoneg
9971 * restart is fixed in f/w
9972 */
9973 if (CHIP_IS_E3(bp)) {
9974 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
9975 MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
9976 }
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009977}
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009978
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009979/******************************************************************/
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +00009980/* 54618SE PHY SECTION */
Yaniv Rosner6583e332011-06-14 01:34:17 +00009981/******************************************************************/
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +00009982static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
Yaniv Rosner6583e332011-06-14 01:34:17 +00009983 struct link_params *params,
9984 struct link_vars *vars)
9985{
9986 struct bnx2x *bp = params->bp;
9987 u8 port;
9988 u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
9989 u32 cfg_pin;
9990
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +00009991 DP(NETIF_MSG_LINK, "54618SE cfg init\n");
Yaniv Rosner6583e332011-06-14 01:34:17 +00009992 usleep_range(1000, 1000);
9993
9994 /* This works with E3 only, no need to check the chip
9995 before determining the port. */
9996 port = params->port;
9997
9998 cfg_pin = (REG_RD(bp, params->shmem_base +
9999 offsetof(struct shmem_region,
10000 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10001 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10002 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10003
10004 /* Drive pin high to bring the GPHY out of reset. */
10005 bnx2x_set_cfg_pin(bp, cfg_pin, 1);
10006
10007 /* wait for GPHY to reset */
10008 msleep(50);
10009
10010 /* reset phy */
10011 bnx2x_cl22_write(bp, phy,
10012 MDIO_PMA_REG_CTRL, 0x8000);
10013 bnx2x_wait_reset_complete(bp, phy, params);
10014
10015 /*wait for GPHY to reset */
10016 msleep(50);
10017
10018 /* Configure LED4: set to INTR (0x6). */
10019 /* Accessing shadow register 0xe. */
10020 bnx2x_cl22_write(bp, phy,
10021 MDIO_REG_GPHY_SHADOW,
10022 MDIO_REG_GPHY_SHADOW_LED_SEL2);
10023 bnx2x_cl22_read(bp, phy,
10024 MDIO_REG_GPHY_SHADOW,
10025 &temp);
10026 temp &= ~(0xf << 4);
10027 temp |= (0x6 << 4);
10028 bnx2x_cl22_write(bp, phy,
10029 MDIO_REG_GPHY_SHADOW,
10030 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10031 /* Configure INTR based on link status change. */
10032 bnx2x_cl22_write(bp, phy,
10033 MDIO_REG_INTR_MASK,
10034 ~MDIO_REG_INTR_MASK_LINK_STATUS);
10035
10036 /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
10037 bnx2x_cl22_write(bp, phy,
10038 MDIO_REG_GPHY_SHADOW,
10039 MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
10040 bnx2x_cl22_read(bp, phy,
10041 MDIO_REG_GPHY_SHADOW,
10042 &temp);
10043 temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
10044 bnx2x_cl22_write(bp, phy,
10045 MDIO_REG_GPHY_SHADOW,
10046 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10047
10048 /* Set up fc */
10049 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
10050 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
10051 fc_val = 0;
10052 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
10053 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
10054 fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
10055
10056 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
10057 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
10058 fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
10059
10060 /* read all advertisement */
10061 bnx2x_cl22_read(bp, phy,
10062 0x09,
10063 &an_1000_val);
10064
10065 bnx2x_cl22_read(bp, phy,
10066 0x04,
10067 &an_10_100_val);
10068
10069 bnx2x_cl22_read(bp, phy,
10070 MDIO_PMA_REG_CTRL,
10071 &autoneg_val);
10072
10073 /* Disable forced speed */
10074 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
10075 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
10076 (1<<11));
10077
10078 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10079 (phy->speed_cap_mask &
10080 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
10081 (phy->req_line_speed == SPEED_1000)) {
10082 an_1000_val |= (1<<8);
10083 autoneg_val |= (1<<9 | 1<<12);
10084 if (phy->req_duplex == DUPLEX_FULL)
10085 an_1000_val |= (1<<9);
10086 DP(NETIF_MSG_LINK, "Advertising 1G\n");
10087 } else
10088 an_1000_val &= ~((1<<8) | (1<<9));
10089
10090 bnx2x_cl22_write(bp, phy,
10091 0x09,
10092 an_1000_val);
10093 bnx2x_cl22_read(bp, phy,
10094 0x09,
10095 &an_1000_val);
10096
10097 /* set 100 speed advertisement */
10098 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10099 (phy->speed_cap_mask &
10100 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
10101 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
10102 an_10_100_val |= (1<<7);
10103 /* Enable autoneg and restart autoneg for legacy speeds */
10104 autoneg_val |= (1<<9 | 1<<12);
10105
10106 if (phy->req_duplex == DUPLEX_FULL)
10107 an_10_100_val |= (1<<8);
10108 DP(NETIF_MSG_LINK, "Advertising 100M\n");
10109 }
10110
10111 /* set 10 speed advertisement */
10112 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10113 (phy->speed_cap_mask &
10114 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
10115 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
10116 an_10_100_val |= (1<<5);
10117 autoneg_val |= (1<<9 | 1<<12);
10118 if (phy->req_duplex == DUPLEX_FULL)
10119 an_10_100_val |= (1<<6);
10120 DP(NETIF_MSG_LINK, "Advertising 10M\n");
10121 }
10122
10123 /* Only 10/100 are allowed to work in FORCE mode */
10124 if (phy->req_line_speed == SPEED_100) {
10125 autoneg_val |= (1<<13);
10126 /* Enabled AUTO-MDIX when autoneg is disabled */
10127 bnx2x_cl22_write(bp, phy,
10128 0x18,
10129 (1<<15 | 1<<9 | 7<<0));
10130 DP(NETIF_MSG_LINK, "Setting 100M force\n");
10131 }
10132 if (phy->req_line_speed == SPEED_10) {
10133 /* Enabled AUTO-MDIX when autoneg is disabled */
10134 bnx2x_cl22_write(bp, phy,
10135 0x18,
10136 (1<<15 | 1<<9 | 7<<0));
10137 DP(NETIF_MSG_LINK, "Setting 10M force\n");
10138 }
10139
Yaniv Rosnera89a1d42011-07-05 01:07:05 +000010140 /* Check if we should turn on Auto-GrEEEn */
10141 bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
10142 if (temp == MDIO_REG_GPHY_ID_54618SE) {
10143 if (params->feature_config_flags &
10144 FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
10145 temp = 6;
10146 DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
10147 } else {
10148 temp = 0;
10149 DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
10150 }
10151 bnx2x_cl22_write(bp, phy,
10152 MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
10153 bnx2x_cl22_write(bp, phy,
10154 MDIO_REG_GPHY_CL45_DATA_REG,
10155 MDIO_REG_GPHY_EEE_ADV);
10156 bnx2x_cl22_write(bp, phy,
10157 MDIO_REG_GPHY_CL45_ADDR_REG,
10158 (0x1 << 14) | MDIO_AN_DEVAD);
10159 bnx2x_cl22_write(bp, phy,
10160 MDIO_REG_GPHY_CL45_DATA_REG,
10161 temp);
10162 }
10163
Yaniv Rosner6583e332011-06-14 01:34:17 +000010164 bnx2x_cl22_write(bp, phy,
10165 0x04,
10166 an_10_100_val | fc_val);
10167
10168 if (phy->req_duplex == DUPLEX_FULL)
10169 autoneg_val |= (1<<8);
10170
10171 bnx2x_cl22_write(bp, phy,
10172 MDIO_PMA_REG_CTRL, autoneg_val);
10173
10174 return 0;
10175}
10176
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010177static void bnx2x_54618se_set_link_led(struct bnx2x_phy *phy,
10178 struct link_params *params, u8 mode)
Yaniv Rosner6583e332011-06-14 01:34:17 +000010179{
10180 struct bnx2x *bp = params->bp;
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010181 DP(NETIF_MSG_LINK, "54618SE set link led (mode=%x)\n", mode);
Yaniv Rosner6583e332011-06-14 01:34:17 +000010182 switch (mode) {
10183 case LED_MODE_FRONT_PANEL_OFF:
10184 case LED_MODE_OFF:
10185 case LED_MODE_OPER:
10186 case LED_MODE_ON:
10187 default:
10188 break;
10189 }
10190 return;
10191}
10192
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010193static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
10194 struct link_params *params)
Yaniv Rosner6583e332011-06-14 01:34:17 +000010195{
10196 struct bnx2x *bp = params->bp;
10197 u32 cfg_pin;
10198 u8 port;
10199
10200 /* This works with E3 only, no need to check the chip
10201 before determining the port. */
10202 port = params->port;
10203 cfg_pin = (REG_RD(bp, params->shmem_base +
10204 offsetof(struct shmem_region,
10205 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10206 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10207 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10208
10209 /* Drive pin low to put GPHY in reset. */
10210 bnx2x_set_cfg_pin(bp, cfg_pin, 0);
10211}
10212
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010213static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
10214 struct link_params *params,
10215 struct link_vars *vars)
Yaniv Rosner6583e332011-06-14 01:34:17 +000010216{
10217 struct bnx2x *bp = params->bp;
10218 u16 val;
10219 u8 link_up = 0;
10220 u16 legacy_status, legacy_speed;
10221
10222 /* Get speed operation status */
10223 bnx2x_cl22_read(bp, phy,
10224 0x19,
10225 &legacy_status);
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010226 DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
Yaniv Rosner6583e332011-06-14 01:34:17 +000010227
10228 /* Read status to clear the PHY interrupt. */
10229 bnx2x_cl22_read(bp, phy,
10230 MDIO_REG_INTR_STATUS,
10231 &val);
10232
10233 link_up = ((legacy_status & (1<<2)) == (1<<2));
10234
10235 if (link_up) {
10236 legacy_speed = (legacy_status & (7<<8));
10237 if (legacy_speed == (7<<8)) {
10238 vars->line_speed = SPEED_1000;
10239 vars->duplex = DUPLEX_FULL;
10240 } else if (legacy_speed == (6<<8)) {
10241 vars->line_speed = SPEED_1000;
10242 vars->duplex = DUPLEX_HALF;
10243 } else if (legacy_speed == (5<<8)) {
10244 vars->line_speed = SPEED_100;
10245 vars->duplex = DUPLEX_FULL;
10246 }
10247 /* Omitting 100Base-T4 for now */
10248 else if (legacy_speed == (3<<8)) {
10249 vars->line_speed = SPEED_100;
10250 vars->duplex = DUPLEX_HALF;
10251 } else if (legacy_speed == (2<<8)) {
10252 vars->line_speed = SPEED_10;
10253 vars->duplex = DUPLEX_FULL;
10254 } else if (legacy_speed == (1<<8)) {
10255 vars->line_speed = SPEED_10;
10256 vars->duplex = DUPLEX_HALF;
10257 } else /* Should not happen */
10258 vars->line_speed = 0;
10259
10260 DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
10261 " is_duplex_full= %d\n", vars->line_speed,
10262 (vars->duplex == DUPLEX_FULL));
10263
10264 /* Check legacy speed AN resolution */
10265 bnx2x_cl22_read(bp, phy,
10266 0x01,
10267 &val);
10268 if (val & (1<<5))
10269 vars->link_status |=
10270 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10271 bnx2x_cl22_read(bp, phy,
10272 0x06,
10273 &val);
10274 if ((val & (1<<0)) == 0)
10275 vars->link_status |=
10276 LINK_STATUS_PARALLEL_DETECTION_USED;
10277
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010278 DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
Yaniv Rosner6583e332011-06-14 01:34:17 +000010279 vars->line_speed);
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010280
10281 /* Report whether EEE is resolved. */
10282 bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
10283 if (val == MDIO_REG_GPHY_ID_54618SE) {
10284 if (vars->link_status &
10285 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
10286 val = 0;
10287 else {
10288 bnx2x_cl22_write(bp, phy,
10289 MDIO_REG_GPHY_CL45_ADDR_REG,
10290 MDIO_AN_DEVAD);
10291 bnx2x_cl22_write(bp, phy,
10292 MDIO_REG_GPHY_CL45_DATA_REG,
10293 MDIO_REG_GPHY_EEE_RESOLVED);
10294 bnx2x_cl22_write(bp, phy,
10295 MDIO_REG_GPHY_CL45_ADDR_REG,
10296 (0x1 << 14) | MDIO_AN_DEVAD);
10297 bnx2x_cl22_read(bp, phy,
10298 MDIO_REG_GPHY_CL45_DATA_REG,
10299 &val);
10300 }
10301 DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
10302 }
10303
Yaniv Rosner6583e332011-06-14 01:34:17 +000010304 bnx2x_ext_phy_resolve_fc(phy, params, vars);
10305 }
10306 return link_up;
10307}
10308
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010309static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
10310 struct link_params *params)
Yaniv Rosner6583e332011-06-14 01:34:17 +000010311{
10312 struct bnx2x *bp = params->bp;
10313 u16 val;
10314 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
10315
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010316 DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
Yaniv Rosner6583e332011-06-14 01:34:17 +000010317
10318 /* Enable master/slave manual mmode and set to master */
10319 /* mii write 9 [bits set 11 12] */
10320 bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
10321
10322 /* forced 1G and disable autoneg */
10323 /* set val [mii read 0] */
10324 /* set val [expr $val & [bits clear 6 12 13]] */
10325 /* set val [expr $val | [bits set 6 8]] */
10326 /* mii write 0 $val */
10327 bnx2x_cl22_read(bp, phy, 0x00, &val);
10328 val &= ~((1<<6) | (1<<12) | (1<<13));
10329 val |= (1<<6) | (1<<8);
10330 bnx2x_cl22_write(bp, phy, 0x00, val);
10331
10332 /* Set external loopback and Tx using 6dB coding */
10333 /* mii write 0x18 7 */
10334 /* set val [mii read 0x18] */
10335 /* mii write 0x18 [expr $val | [bits set 10 15]] */
10336 bnx2x_cl22_write(bp, phy, 0x18, 7);
10337 bnx2x_cl22_read(bp, phy, 0x18, &val);
10338 bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
10339
10340 /* This register opens the gate for the UMAC despite its name */
10341 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
10342
10343 /*
10344 * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
10345 * length used by the MAC receive logic to check frames.
10346 */
10347 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
10348}
10349
10350/******************************************************************/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010351/* SFX7101 PHY SECTION */
10352/******************************************************************/
10353static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
10354 struct link_params *params)
10355{
10356 struct bnx2x *bp = params->bp;
10357 /* SFX7101_XGXS_TEST1 */
10358 bnx2x_cl45_write(bp, phy,
10359 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
10360}
10361
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010362static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
10363 struct link_params *params,
10364 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010365{
10366 u16 fw_ver1, fw_ver2, val;
10367 struct bnx2x *bp = params->bp;
10368 DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
10369
10370 /* Restore normal power mode*/
10371 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010372 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010373 /* HW reset */
10374 bnx2x_ext_phy_hw_reset(bp, params->port);
Yaniv Rosner6d870c32011-01-31 04:22:20 +000010375 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010376
10377 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +000010378 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010379 DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
10380 bnx2x_cl45_write(bp, phy,
10381 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
10382
10383 bnx2x_ext_phy_set_pause(params, phy, vars);
10384 /* Restart autoneg */
10385 bnx2x_cl45_read(bp, phy,
10386 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
10387 val |= 0x200;
10388 bnx2x_cl45_write(bp, phy,
10389 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
10390
10391 /* Save spirom version */
10392 bnx2x_cl45_read(bp, phy,
10393 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
10394
10395 bnx2x_cl45_read(bp, phy,
10396 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
10397 bnx2x_save_spirom_version(bp, params->port,
10398 (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
10399 return 0;
10400}
10401
10402static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
10403 struct link_params *params,
10404 struct link_vars *vars)
10405{
10406 struct bnx2x *bp = params->bp;
10407 u8 link_up;
10408 u16 val1, val2;
10409 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +000010410 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010411 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +000010412 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010413 DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
10414 val2, val1);
10415 bnx2x_cl45_read(bp, phy,
10416 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
10417 bnx2x_cl45_read(bp, phy,
10418 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
10419 DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
10420 val2, val1);
10421 link_up = ((val1 & 4) == 4);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000010422 /* if link is up print the AN outcome of the SFX7101 PHY */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010423 if (link_up) {
10424 bnx2x_cl45_read(bp, phy,
10425 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
10426 &val2);
10427 vars->line_speed = SPEED_10000;
Yaniv Rosner791f18c2011-01-18 04:33:42 +000010428 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010429 DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
10430 val2, (val2 & (1<<14)));
10431 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
10432 bnx2x_ext_phy_resolve_fc(phy, params, vars);
10433 }
10434 return link_up;
10435}
10436
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010437static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010438{
10439 if (*len < 5)
10440 return -EINVAL;
10441 str[0] = (spirom_ver & 0xFF);
10442 str[1] = (spirom_ver & 0xFF00) >> 8;
10443 str[2] = (spirom_ver & 0xFF0000) >> 16;
10444 str[3] = (spirom_ver & 0xFF000000) >> 24;
10445 str[4] = '\0';
10446 *len -= 5;
10447 return 0;
10448}
10449
10450void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
10451{
10452 u16 val, cnt;
10453
10454 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010455 MDIO_PMA_DEVAD,
10456 MDIO_PMA_REG_7101_RESET, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010457
10458 for (cnt = 0; cnt < 10; cnt++) {
10459 msleep(50);
10460 /* Writes a self-clearing reset */
10461 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010462 MDIO_PMA_DEVAD,
10463 MDIO_PMA_REG_7101_RESET,
10464 (val | (1<<15)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010465 /* Wait for clear */
10466 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010467 MDIO_PMA_DEVAD,
10468 MDIO_PMA_REG_7101_RESET, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010469
10470 if ((val & (1<<15)) == 0)
10471 break;
10472 }
10473}
10474
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010475static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
10476 struct link_params *params) {
10477 /* Low power mode is controlled by GPIO 2 */
10478 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010479 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010480 /* The PHY reset is controlled by GPIO 1 */
10481 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010482 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010483}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010484
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010485static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
10486 struct link_params *params, u8 mode)
10487{
10488 u16 val = 0;
10489 struct bnx2x *bp = params->bp;
10490 switch (mode) {
10491 case LED_MODE_FRONT_PANEL_OFF:
10492 case LED_MODE_OFF:
10493 val = 2;
10494 break;
10495 case LED_MODE_ON:
10496 val = 1;
10497 break;
10498 case LED_MODE_OPER:
10499 val = 0;
10500 break;
10501 }
10502 bnx2x_cl45_write(bp, phy,
10503 MDIO_PMA_DEVAD,
10504 MDIO_PMA_REG_7107_LINK_LED_CNTL,
10505 val);
10506}
10507
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010508/******************************************************************/
10509/* STATIC PHY DECLARATION */
10510/******************************************************************/
10511
10512static struct bnx2x_phy phy_null = {
10513 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
10514 .addr = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010515 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010516 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010517 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10518 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10519 .mdio_ctrl = 0,
10520 .supported = 0,
10521 .media_type = ETH_PHY_NOT_PRESENT,
10522 .ver_addr = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010523 .req_flow_ctrl = 0,
10524 .req_line_speed = 0,
10525 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010526 .req_duplex = 0,
10527 .rsrv = 0,
10528 .config_init = (config_init_t)NULL,
10529 .read_status = (read_status_t)NULL,
10530 .link_reset = (link_reset_t)NULL,
10531 .config_loopback = (config_loopback_t)NULL,
10532 .format_fw_ver = (format_fw_ver_t)NULL,
10533 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010534 .set_link_led = (set_link_led_t)NULL,
10535 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010536};
10537
10538static struct bnx2x_phy phy_serdes = {
10539 .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
10540 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010541 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010542 .flags = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010543 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10544 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10545 .mdio_ctrl = 0,
10546 .supported = (SUPPORTED_10baseT_Half |
10547 SUPPORTED_10baseT_Full |
10548 SUPPORTED_100baseT_Half |
10549 SUPPORTED_100baseT_Full |
10550 SUPPORTED_1000baseT_Full |
10551 SUPPORTED_2500baseX_Full |
10552 SUPPORTED_TP |
10553 SUPPORTED_Autoneg |
10554 SUPPORTED_Pause |
10555 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000010556 .media_type = ETH_PHY_BASE_T,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010557 .ver_addr = 0,
10558 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010559 .req_line_speed = 0,
10560 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010561 .req_duplex = 0,
10562 .rsrv = 0,
Yaniv Rosnerec146a62011-05-31 21:29:27 +000010563 .config_init = (config_init_t)bnx2x_xgxs_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010564 .read_status = (read_status_t)bnx2x_link_settings_status,
10565 .link_reset = (link_reset_t)bnx2x_int_link_reset,
10566 .config_loopback = (config_loopback_t)NULL,
10567 .format_fw_ver = (format_fw_ver_t)NULL,
10568 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010569 .set_link_led = (set_link_led_t)NULL,
10570 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010571};
10572
10573static struct bnx2x_phy phy_xgxs = {
10574 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
10575 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010576 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010577 .flags = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010578 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10579 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10580 .mdio_ctrl = 0,
10581 .supported = (SUPPORTED_10baseT_Half |
10582 SUPPORTED_10baseT_Full |
10583 SUPPORTED_100baseT_Half |
10584 SUPPORTED_100baseT_Full |
10585 SUPPORTED_1000baseT_Full |
10586 SUPPORTED_2500baseX_Full |
10587 SUPPORTED_10000baseT_Full |
10588 SUPPORTED_FIBRE |
10589 SUPPORTED_Autoneg |
10590 SUPPORTED_Pause |
10591 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000010592 .media_type = ETH_PHY_CX4,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010593 .ver_addr = 0,
10594 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010595 .req_line_speed = 0,
10596 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010597 .req_duplex = 0,
10598 .rsrv = 0,
Yaniv Rosnerec146a62011-05-31 21:29:27 +000010599 .config_init = (config_init_t)bnx2x_xgxs_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010600 .read_status = (read_status_t)bnx2x_link_settings_status,
10601 .link_reset = (link_reset_t)bnx2x_int_link_reset,
10602 .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
10603 .format_fw_ver = (format_fw_ver_t)NULL,
10604 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010605 .set_link_led = (set_link_led_t)NULL,
10606 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010607};
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010608static struct bnx2x_phy phy_warpcore = {
10609 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
10610 .addr = 0xff,
10611 .def_md_devad = 0,
10612 .flags = FLAGS_HW_LOCK_REQUIRED,
10613 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10614 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10615 .mdio_ctrl = 0,
10616 .supported = (SUPPORTED_10baseT_Half |
10617 SUPPORTED_10baseT_Full |
10618 SUPPORTED_100baseT_Half |
10619 SUPPORTED_100baseT_Full |
10620 SUPPORTED_1000baseT_Full |
10621 SUPPORTED_10000baseT_Full |
10622 SUPPORTED_20000baseKR2_Full |
10623 SUPPORTED_20000baseMLD2_Full |
10624 SUPPORTED_FIBRE |
10625 SUPPORTED_Autoneg |
10626 SUPPORTED_Pause |
10627 SUPPORTED_Asym_Pause),
10628 .media_type = ETH_PHY_UNSPECIFIED,
10629 .ver_addr = 0,
10630 .req_flow_ctrl = 0,
10631 .req_line_speed = 0,
10632 .speed_cap_mask = 0,
10633 /* req_duplex = */0,
10634 /* rsrv = */0,
10635 .config_init = (config_init_t)bnx2x_warpcore_config_init,
10636 .read_status = (read_status_t)bnx2x_warpcore_read_status,
10637 .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
10638 .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
10639 .format_fw_ver = (format_fw_ver_t)NULL,
Yaniv Rosner985848f2011-07-05 01:06:48 +000010640 .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010641 .set_link_led = (set_link_led_t)NULL,
10642 .phy_specific_func = (phy_specific_func_t)NULL
10643};
10644
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010645
10646static struct bnx2x_phy phy_7101 = {
10647 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
10648 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010649 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010650 .flags = FLAGS_FAN_FAILURE_DET_REQ,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010651 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10652 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10653 .mdio_ctrl = 0,
10654 .supported = (SUPPORTED_10000baseT_Full |
10655 SUPPORTED_TP |
10656 SUPPORTED_Autoneg |
10657 SUPPORTED_Pause |
10658 SUPPORTED_Asym_Pause),
10659 .media_type = ETH_PHY_BASE_T,
10660 .ver_addr = 0,
10661 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010662 .req_line_speed = 0,
10663 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010664 .req_duplex = 0,
10665 .rsrv = 0,
10666 .config_init = (config_init_t)bnx2x_7101_config_init,
10667 .read_status = (read_status_t)bnx2x_7101_read_status,
10668 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
10669 .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
10670 .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
10671 .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010672 .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010673 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010674};
10675static struct bnx2x_phy phy_8073 = {
10676 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
10677 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010678 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010679 .flags = FLAGS_HW_LOCK_REQUIRED,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010680 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10681 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10682 .mdio_ctrl = 0,
10683 .supported = (SUPPORTED_10000baseT_Full |
10684 SUPPORTED_2500baseX_Full |
10685 SUPPORTED_1000baseT_Full |
10686 SUPPORTED_FIBRE |
10687 SUPPORTED_Autoneg |
10688 SUPPORTED_Pause |
10689 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000010690 .media_type = ETH_PHY_KR,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010691 .ver_addr = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010692 .req_flow_ctrl = 0,
10693 .req_line_speed = 0,
10694 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010695 .req_duplex = 0,
10696 .rsrv = 0,
Yaniv Rosner62b29a52010-09-07 11:40:58 +000010697 .config_init = (config_init_t)bnx2x_8073_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010698 .read_status = (read_status_t)bnx2x_8073_read_status,
10699 .link_reset = (link_reset_t)bnx2x_8073_link_reset,
10700 .config_loopback = (config_loopback_t)NULL,
10701 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
10702 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010703 .set_link_led = (set_link_led_t)NULL,
10704 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010705};
10706static struct bnx2x_phy phy_8705 = {
10707 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
10708 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010709 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010710 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010711 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10712 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10713 .mdio_ctrl = 0,
10714 .supported = (SUPPORTED_10000baseT_Full |
10715 SUPPORTED_FIBRE |
10716 SUPPORTED_Pause |
10717 SUPPORTED_Asym_Pause),
10718 .media_type = ETH_PHY_XFP_FIBER,
10719 .ver_addr = 0,
10720 .req_flow_ctrl = 0,
10721 .req_line_speed = 0,
10722 .speed_cap_mask = 0,
10723 .req_duplex = 0,
10724 .rsrv = 0,
10725 .config_init = (config_init_t)bnx2x_8705_config_init,
10726 .read_status = (read_status_t)bnx2x_8705_read_status,
10727 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
10728 .config_loopback = (config_loopback_t)NULL,
10729 .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
10730 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010731 .set_link_led = (set_link_led_t)NULL,
10732 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010733};
10734static struct bnx2x_phy phy_8706 = {
10735 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
10736 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010737 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010738 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010739 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10740 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10741 .mdio_ctrl = 0,
10742 .supported = (SUPPORTED_10000baseT_Full |
10743 SUPPORTED_1000baseT_Full |
10744 SUPPORTED_FIBRE |
10745 SUPPORTED_Pause |
10746 SUPPORTED_Asym_Pause),
10747 .media_type = ETH_PHY_SFP_FIBER,
10748 .ver_addr = 0,
10749 .req_flow_ctrl = 0,
10750 .req_line_speed = 0,
10751 .speed_cap_mask = 0,
10752 .req_duplex = 0,
10753 .rsrv = 0,
10754 .config_init = (config_init_t)bnx2x_8706_config_init,
10755 .read_status = (read_status_t)bnx2x_8706_read_status,
10756 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
10757 .config_loopback = (config_loopback_t)NULL,
10758 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
10759 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010760 .set_link_led = (set_link_led_t)NULL,
10761 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010762};
10763
10764static struct bnx2x_phy phy_8726 = {
10765 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
10766 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010767 .def_md_devad = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010768 .flags = (FLAGS_HW_LOCK_REQUIRED |
10769 FLAGS_INIT_XGXS_FIRST),
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010770 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10771 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10772 .mdio_ctrl = 0,
10773 .supported = (SUPPORTED_10000baseT_Full |
10774 SUPPORTED_1000baseT_Full |
10775 SUPPORTED_Autoneg |
10776 SUPPORTED_FIBRE |
10777 SUPPORTED_Pause |
10778 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000010779 .media_type = ETH_PHY_NOT_PRESENT,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010780 .ver_addr = 0,
10781 .req_flow_ctrl = 0,
10782 .req_line_speed = 0,
10783 .speed_cap_mask = 0,
10784 .req_duplex = 0,
10785 .rsrv = 0,
10786 .config_init = (config_init_t)bnx2x_8726_config_init,
10787 .read_status = (read_status_t)bnx2x_8726_read_status,
10788 .link_reset = (link_reset_t)bnx2x_8726_link_reset,
10789 .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
10790 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
10791 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010792 .set_link_led = (set_link_led_t)NULL,
10793 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010794};
10795
10796static struct bnx2x_phy phy_8727 = {
10797 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
10798 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010799 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010800 .flags = FLAGS_FAN_FAILURE_DET_REQ,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010801 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10802 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10803 .mdio_ctrl = 0,
10804 .supported = (SUPPORTED_10000baseT_Full |
10805 SUPPORTED_1000baseT_Full |
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010806 SUPPORTED_FIBRE |
10807 SUPPORTED_Pause |
10808 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000010809 .media_type = ETH_PHY_NOT_PRESENT,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010810 .ver_addr = 0,
10811 .req_flow_ctrl = 0,
10812 .req_line_speed = 0,
10813 .speed_cap_mask = 0,
10814 .req_duplex = 0,
10815 .rsrv = 0,
10816 .config_init = (config_init_t)bnx2x_8727_config_init,
10817 .read_status = (read_status_t)bnx2x_8727_read_status,
10818 .link_reset = (link_reset_t)bnx2x_8727_link_reset,
10819 .config_loopback = (config_loopback_t)NULL,
10820 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
10821 .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010822 .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010823 .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010824};
10825static struct bnx2x_phy phy_8481 = {
10826 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
10827 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010828 .def_md_devad = 0,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010829 .flags = FLAGS_FAN_FAILURE_DET_REQ |
10830 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010831 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10832 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10833 .mdio_ctrl = 0,
10834 .supported = (SUPPORTED_10baseT_Half |
10835 SUPPORTED_10baseT_Full |
10836 SUPPORTED_100baseT_Half |
10837 SUPPORTED_100baseT_Full |
10838 SUPPORTED_1000baseT_Full |
10839 SUPPORTED_10000baseT_Full |
10840 SUPPORTED_TP |
10841 SUPPORTED_Autoneg |
10842 SUPPORTED_Pause |
10843 SUPPORTED_Asym_Pause),
10844 .media_type = ETH_PHY_BASE_T,
10845 .ver_addr = 0,
10846 .req_flow_ctrl = 0,
10847 .req_line_speed = 0,
10848 .speed_cap_mask = 0,
10849 .req_duplex = 0,
10850 .rsrv = 0,
10851 .config_init = (config_init_t)bnx2x_8481_config_init,
10852 .read_status = (read_status_t)bnx2x_848xx_read_status,
10853 .link_reset = (link_reset_t)bnx2x_8481_link_reset,
10854 .config_loopback = (config_loopback_t)NULL,
10855 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
10856 .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010857 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010858 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010859};
10860
10861static struct bnx2x_phy phy_84823 = {
10862 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
10863 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010864 .def_md_devad = 0,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010865 .flags = FLAGS_FAN_FAILURE_DET_REQ |
10866 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010867 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10868 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10869 .mdio_ctrl = 0,
10870 .supported = (SUPPORTED_10baseT_Half |
10871 SUPPORTED_10baseT_Full |
10872 SUPPORTED_100baseT_Half |
10873 SUPPORTED_100baseT_Full |
10874 SUPPORTED_1000baseT_Full |
10875 SUPPORTED_10000baseT_Full |
10876 SUPPORTED_TP |
10877 SUPPORTED_Autoneg |
10878 SUPPORTED_Pause |
10879 SUPPORTED_Asym_Pause),
10880 .media_type = ETH_PHY_BASE_T,
10881 .ver_addr = 0,
10882 .req_flow_ctrl = 0,
10883 .req_line_speed = 0,
10884 .speed_cap_mask = 0,
10885 .req_duplex = 0,
10886 .rsrv = 0,
10887 .config_init = (config_init_t)bnx2x_848x3_config_init,
10888 .read_status = (read_status_t)bnx2x_848xx_read_status,
10889 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
10890 .config_loopback = (config_loopback_t)NULL,
10891 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
10892 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010893 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010894 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010895};
10896
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000010897static struct bnx2x_phy phy_84833 = {
10898 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
10899 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010900 .def_md_devad = 0,
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000010901 .flags = FLAGS_FAN_FAILURE_DET_REQ |
10902 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000010903 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10904 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10905 .mdio_ctrl = 0,
Yaniv Rosner0520e632011-07-05 01:06:59 +000010906 .supported = (SUPPORTED_100baseT_Half |
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000010907 SUPPORTED_100baseT_Full |
10908 SUPPORTED_1000baseT_Full |
10909 SUPPORTED_10000baseT_Full |
10910 SUPPORTED_TP |
10911 SUPPORTED_Autoneg |
10912 SUPPORTED_Pause |
10913 SUPPORTED_Asym_Pause),
10914 .media_type = ETH_PHY_BASE_T,
10915 .ver_addr = 0,
10916 .req_flow_ctrl = 0,
10917 .req_line_speed = 0,
10918 .speed_cap_mask = 0,
10919 .req_duplex = 0,
10920 .rsrv = 0,
10921 .config_init = (config_init_t)bnx2x_848x3_config_init,
10922 .read_status = (read_status_t)bnx2x_848xx_read_status,
10923 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
10924 .config_loopback = (config_loopback_t)NULL,
10925 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
Yaniv Rosner985848f2011-07-05 01:06:48 +000010926 .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000010927 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
10928 .phy_specific_func = (phy_specific_func_t)NULL
10929};
10930
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010931static struct bnx2x_phy phy_54618se = {
10932 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
Yaniv Rosner6583e332011-06-14 01:34:17 +000010933 .addr = 0xff,
10934 .def_md_devad = 0,
10935 .flags = FLAGS_INIT_XGXS_FIRST,
10936 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10937 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10938 .mdio_ctrl = 0,
10939 .supported = (SUPPORTED_10baseT_Half |
10940 SUPPORTED_10baseT_Full |
10941 SUPPORTED_100baseT_Half |
10942 SUPPORTED_100baseT_Full |
10943 SUPPORTED_1000baseT_Full |
10944 SUPPORTED_TP |
10945 SUPPORTED_Autoneg |
10946 SUPPORTED_Pause |
10947 SUPPORTED_Asym_Pause),
10948 .media_type = ETH_PHY_BASE_T,
10949 .ver_addr = 0,
10950 .req_flow_ctrl = 0,
10951 .req_line_speed = 0,
10952 .speed_cap_mask = 0,
10953 /* req_duplex = */0,
10954 /* rsrv = */0,
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010955 .config_init = (config_init_t)bnx2x_54618se_config_init,
10956 .read_status = (read_status_t)bnx2x_54618se_read_status,
10957 .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
10958 .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
Yaniv Rosner6583e332011-06-14 01:34:17 +000010959 .format_fw_ver = (format_fw_ver_t)NULL,
10960 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010961 .set_link_led = (set_link_led_t)bnx2x_54618se_set_link_led,
Yaniv Rosner6583e332011-06-14 01:34:17 +000010962 .phy_specific_func = (phy_specific_func_t)NULL
10963};
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010964/*****************************************************************/
10965/* */
10966/* Populate the phy according. Main function: bnx2x_populate_phy */
10967/* */
10968/*****************************************************************/
10969
10970static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
10971 struct bnx2x_phy *phy, u8 port,
10972 u8 phy_index)
10973{
10974 /* Get the 4 lanes xgxs config rx and tx */
10975 u32 rx = 0, tx = 0, i;
10976 for (i = 0; i < 2; i++) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000010977 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010978 * INT_PHY and EXT_PHY1 share the same value location in the
10979 * shmem. When num_phys is greater than 1, than this value
10980 * applies only to EXT_PHY1
10981 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010982 if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
10983 rx = REG_RD(bp, shmem_base +
10984 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010985 dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010986
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010987 tx = REG_RD(bp, shmem_base +
10988 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010989 dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010990 } else {
10991 rx = REG_RD(bp, shmem_base +
10992 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010993 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010994
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010995 tx = REG_RD(bp, shmem_base +
10996 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010997 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010998 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010999
11000 phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
11001 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
11002
11003 phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
11004 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
11005 }
11006}
11007
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011008static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
11009 u8 phy_index, u8 port)
11010{
11011 u32 ext_phy_config = 0;
11012 switch (phy_index) {
11013 case EXT_PHY1:
11014 ext_phy_config = REG_RD(bp, shmem_base +
11015 offsetof(struct shmem_region,
11016 dev_info.port_hw_config[port].external_phy_config));
11017 break;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011018 case EXT_PHY2:
11019 ext_phy_config = REG_RD(bp, shmem_base +
11020 offsetof(struct shmem_region,
11021 dev_info.port_hw_config[port].external_phy_config2));
11022 break;
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011023 default:
11024 DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
11025 return -EINVAL;
11026 }
11027
11028 return ext_phy_config;
11029}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011030static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
11031 struct bnx2x_phy *phy)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011032{
11033 u32 phy_addr;
11034 u32 chip_id;
11035 u32 switch_cfg = (REG_RD(bp, shmem_base +
11036 offsetof(struct shmem_region,
11037 dev_info.port_feature_config[port].link_config)) &
11038 PORT_FEATURE_CONNECTED_SWITCH_MASK);
11039 chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011040 DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
11041 if (USES_WARPCORE(bp)) {
11042 u32 serdes_net_if;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011043 phy_addr = REG_RD(bp,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011044 MISC_REG_WC0_CTRL_PHY_ADDR);
11045 *phy = phy_warpcore;
11046 if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
11047 phy->flags |= FLAGS_4_PORT_MODE;
11048 else
11049 phy->flags &= ~FLAGS_4_PORT_MODE;
11050 /* Check Dual mode */
11051 serdes_net_if = (REG_RD(bp, shmem_base +
11052 offsetof(struct shmem_region, dev_info.
11053 port_hw_config[port].default_cfg)) &
11054 PORT_HW_CFG_NET_SERDES_IF_MASK);
11055 /*
11056 * Set the appropriate supported and flags indications per
11057 * interface type of the chip
11058 */
11059 switch (serdes_net_if) {
11060 case PORT_HW_CFG_NET_SERDES_IF_SGMII:
11061 phy->supported &= (SUPPORTED_10baseT_Half |
11062 SUPPORTED_10baseT_Full |
11063 SUPPORTED_100baseT_Half |
11064 SUPPORTED_100baseT_Full |
11065 SUPPORTED_1000baseT_Full |
11066 SUPPORTED_FIBRE |
11067 SUPPORTED_Autoneg |
11068 SUPPORTED_Pause |
11069 SUPPORTED_Asym_Pause);
11070 phy->media_type = ETH_PHY_BASE_T;
11071 break;
11072 case PORT_HW_CFG_NET_SERDES_IF_XFI:
11073 phy->media_type = ETH_PHY_XFP_FIBER;
11074 break;
11075 case PORT_HW_CFG_NET_SERDES_IF_SFI:
11076 phy->supported &= (SUPPORTED_1000baseT_Full |
11077 SUPPORTED_10000baseT_Full |
11078 SUPPORTED_FIBRE |
11079 SUPPORTED_Pause |
11080 SUPPORTED_Asym_Pause);
11081 phy->media_type = ETH_PHY_SFP_FIBER;
11082 break;
11083 case PORT_HW_CFG_NET_SERDES_IF_KR:
11084 phy->media_type = ETH_PHY_KR;
11085 phy->supported &= (SUPPORTED_1000baseT_Full |
11086 SUPPORTED_10000baseT_Full |
11087 SUPPORTED_FIBRE |
11088 SUPPORTED_Autoneg |
11089 SUPPORTED_Pause |
11090 SUPPORTED_Asym_Pause);
11091 break;
11092 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
11093 phy->media_type = ETH_PHY_KR;
11094 phy->flags |= FLAGS_WC_DUAL_MODE;
11095 phy->supported &= (SUPPORTED_20000baseMLD2_Full |
11096 SUPPORTED_FIBRE |
11097 SUPPORTED_Pause |
11098 SUPPORTED_Asym_Pause);
11099 break;
11100 case PORT_HW_CFG_NET_SERDES_IF_KR2:
11101 phy->media_type = ETH_PHY_KR;
11102 phy->flags |= FLAGS_WC_DUAL_MODE;
11103 phy->supported &= (SUPPORTED_20000baseKR2_Full |
11104 SUPPORTED_FIBRE |
11105 SUPPORTED_Pause |
11106 SUPPORTED_Asym_Pause);
11107 break;
11108 default:
11109 DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
11110 serdes_net_if);
11111 break;
11112 }
11113
11114 /*
11115 * Enable MDC/MDIO work-around for E3 A0 since free running MDC
11116 * was not set as expected. For B0, ECO will be enabled so there
11117 * won't be an issue there
11118 */
11119 if (CHIP_REV(bp) == CHIP_REV_Ax)
11120 phy->flags |= FLAGS_MDC_MDIO_WA;
11121 } else {
11122 switch (switch_cfg) {
11123 case SWITCH_CFG_1G:
11124 phy_addr = REG_RD(bp,
11125 NIG_REG_SERDES0_CTRL_PHY_ADDR +
11126 port * 0x10);
11127 *phy = phy_serdes;
11128 break;
11129 case SWITCH_CFG_10G:
11130 phy_addr = REG_RD(bp,
11131 NIG_REG_XGXS0_CTRL_PHY_ADDR +
11132 port * 0x18);
11133 *phy = phy_xgxs;
11134 break;
11135 default:
11136 DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
11137 return -EINVAL;
11138 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011139 }
11140 phy->addr = (u8)phy_addr;
11141 phy->mdio_ctrl = bnx2x_get_emac_base(bp,
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011142 SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011143 port);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011144 if (CHIP_IS_E2(bp))
11145 phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
11146 else
11147 phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011148
11149 DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
11150 port, phy->addr, phy->mdio_ctrl);
11151
11152 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
11153 return 0;
11154}
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011155
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011156static int bnx2x_populate_ext_phy(struct bnx2x *bp,
11157 u8 phy_index,
11158 u32 shmem_base,
11159 u32 shmem2_base,
11160 u8 port,
11161 struct bnx2x_phy *phy)
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011162{
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011163 u32 ext_phy_config, phy_type, config2;
11164 u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011165 ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
11166 phy_index, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011167 phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
11168 /* Select the phy type */
11169 switch (phy_type) {
11170 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011171 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011172 *phy = phy_8073;
11173 break;
11174 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
11175 *phy = phy_8705;
11176 break;
11177 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
11178 *phy = phy_8706;
11179 break;
11180 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011181 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011182 *phy = phy_8726;
11183 break;
11184 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
11185 /* BCM8727_NOC => BCM8727 no over current */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011186 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011187 *phy = phy_8727;
11188 phy->flags |= FLAGS_NOC;
11189 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +000011190 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011191 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011192 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011193 *phy = phy_8727;
11194 break;
11195 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
11196 *phy = phy_8481;
11197 break;
11198 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
11199 *phy = phy_84823;
11200 break;
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011201 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
11202 *phy = phy_84833;
11203 break;
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000011204 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
11205 *phy = phy_54618se;
Yaniv Rosner6583e332011-06-14 01:34:17 +000011206 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011207 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
11208 *phy = phy_7101;
11209 break;
11210 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
11211 *phy = phy_null;
11212 return -EINVAL;
11213 default:
11214 *phy = phy_null;
11215 return 0;
11216 }
11217
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011218 phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011219 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
Yaniv Rosner62b29a52010-09-07 11:40:58 +000011220
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000011221 /*
11222 * The shmem address of the phy version is located on different
11223 * structures. In case this structure is too old, do not set
11224 * the address
11225 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011226 config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
11227 dev_info.shared_hw_config.config2));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011228 if (phy_index == EXT_PHY1) {
11229 phy->ver_addr = shmem_base + offsetof(struct shmem_region,
11230 port_mb[port].ext_phy_fw_version);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011231
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011232 /* Check specific mdc mdio settings */
11233 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
11234 mdc_mdio_access = config2 &
11235 SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011236 } else {
11237 u32 size = REG_RD(bp, shmem2_base);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011238
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011239 if (size >
11240 offsetof(struct shmem2_region, ext_phy_fw_version2)) {
11241 phy->ver_addr = shmem2_base +
11242 offsetof(struct shmem2_region,
11243 ext_phy_fw_version2[port]);
11244 }
11245 /* Check specific mdc mdio settings */
11246 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
11247 mdc_mdio_access = (config2 &
11248 SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
11249 (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
11250 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
11251 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011252 phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
11253
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000011254 /*
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011255 * In case mdc/mdio_access of the external phy is different than the
11256 * mdc/mdio access of the XGXS, a HW lock must be taken in each access
11257 * to prevent one port interfere with another port's CL45 operations.
11258 */
11259 if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
11260 phy->flags |= FLAGS_HW_LOCK_REQUIRED;
11261 DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
11262 phy_type, port, phy_index);
11263 DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
11264 phy->addr, phy->mdio_ctrl);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011265 return 0;
11266}
11267
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011268static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
11269 u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011270{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011271 int status = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011272 phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
11273 if (phy_index == INT_PHY)
11274 return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011275 status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011276 port, phy);
11277 return status;
11278}
11279
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011280static void bnx2x_phy_def_cfg(struct link_params *params,
11281 struct bnx2x_phy *phy,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011282 u8 phy_index)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011283{
11284 struct bnx2x *bp = params->bp;
11285 u32 link_config;
11286 /* Populate the default phy configuration for MF mode */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011287 if (phy_index == EXT_PHY2) {
11288 link_config = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011289 offsetof(struct shmem_region, dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011290 port_feature_config[params->port].link_config2));
11291 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011292 offsetof(struct shmem_region,
11293 dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011294 port_hw_config[params->port].speed_capability_mask2));
11295 } else {
11296 link_config = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011297 offsetof(struct shmem_region, dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011298 port_feature_config[params->port].link_config));
11299 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011300 offsetof(struct shmem_region,
11301 dev_info.
11302 port_hw_config[params->port].speed_capability_mask));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011303 }
11304 DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
11305 " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011306
11307 phy->req_duplex = DUPLEX_FULL;
11308 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
11309 case PORT_FEATURE_LINK_SPEED_10M_HALF:
11310 phy->req_duplex = DUPLEX_HALF;
11311 case PORT_FEATURE_LINK_SPEED_10M_FULL:
11312 phy->req_line_speed = SPEED_10;
11313 break;
11314 case PORT_FEATURE_LINK_SPEED_100M_HALF:
11315 phy->req_duplex = DUPLEX_HALF;
11316 case PORT_FEATURE_LINK_SPEED_100M_FULL:
11317 phy->req_line_speed = SPEED_100;
11318 break;
11319 case PORT_FEATURE_LINK_SPEED_1G:
11320 phy->req_line_speed = SPEED_1000;
11321 break;
11322 case PORT_FEATURE_LINK_SPEED_2_5G:
11323 phy->req_line_speed = SPEED_2500;
11324 break;
11325 case PORT_FEATURE_LINK_SPEED_10G_CX4:
11326 phy->req_line_speed = SPEED_10000;
11327 break;
11328 default:
11329 phy->req_line_speed = SPEED_AUTO_NEG;
11330 break;
11331 }
11332
11333 switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
11334 case PORT_FEATURE_FLOW_CONTROL_AUTO:
11335 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
11336 break;
11337 case PORT_FEATURE_FLOW_CONTROL_TX:
11338 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
11339 break;
11340 case PORT_FEATURE_FLOW_CONTROL_RX:
11341 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
11342 break;
11343 case PORT_FEATURE_FLOW_CONTROL_BOTH:
11344 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
11345 break;
11346 default:
11347 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11348 break;
11349 }
11350}
11351
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011352u32 bnx2x_phy_selection(struct link_params *params)
11353{
11354 u32 phy_config_swapped, prio_cfg;
11355 u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
11356
11357 phy_config_swapped = params->multi_phy_config &
11358 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
11359
11360 prio_cfg = params->multi_phy_config &
11361 PORT_HW_CFG_PHY_SELECTION_MASK;
11362
11363 if (phy_config_swapped) {
11364 switch (prio_cfg) {
11365 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
11366 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
11367 break;
11368 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
11369 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
11370 break;
11371 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
11372 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
11373 break;
11374 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
11375 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
11376 break;
11377 }
11378 } else
11379 return_cfg = prio_cfg;
11380
11381 return return_cfg;
11382}
11383
11384
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011385int bnx2x_phy_probe(struct link_params *params)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011386{
11387 u8 phy_index, actual_phy_idx, link_cfg_idx;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011388 u32 phy_config_swapped, sync_offset, media_types;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011389 struct bnx2x *bp = params->bp;
11390 struct bnx2x_phy *phy;
11391 params->num_phys = 0;
11392 DP(NETIF_MSG_LINK, "Begin phy probe\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011393 phy_config_swapped = params->multi_phy_config &
11394 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011395
11396 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
11397 phy_index++) {
11398 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
11399 actual_phy_idx = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011400 if (phy_config_swapped) {
11401 if (phy_index == EXT_PHY1)
11402 actual_phy_idx = EXT_PHY2;
11403 else if (phy_index == EXT_PHY2)
11404 actual_phy_idx = EXT_PHY1;
11405 }
11406 DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
11407 " actual_phy_idx %x\n", phy_config_swapped,
11408 phy_index, actual_phy_idx);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011409 phy = &params->phy[actual_phy_idx];
11410 if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011411 params->shmem2_base, params->port,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011412 phy) != 0) {
11413 params->num_phys = 0;
11414 DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
11415 phy_index);
11416 for (phy_index = INT_PHY;
11417 phy_index < MAX_PHYS;
11418 phy_index++)
11419 *phy = phy_null;
11420 return -EINVAL;
11421 }
11422 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
11423 break;
11424
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011425 sync_offset = params->shmem_base +
11426 offsetof(struct shmem_region,
11427 dev_info.port_hw_config[params->port].media_type);
11428 media_types = REG_RD(bp, sync_offset);
11429
11430 /*
11431 * Update media type for non-PMF sync only for the first time
11432 * In case the media type changes afterwards, it will be updated
11433 * using the update_status function
11434 */
11435 if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
11436 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
11437 actual_phy_idx))) == 0) {
11438 media_types |= ((phy->media_type &
11439 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
11440 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
11441 actual_phy_idx));
11442 }
11443 REG_WR(bp, sync_offset, media_types);
11444
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011445 bnx2x_phy_def_cfg(params, phy, phy_index);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011446 params->num_phys++;
11447 }
11448
11449 DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
11450 return 0;
11451}
11452
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011453void bnx2x_init_bmac_loopback(struct link_params *params,
11454 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011455{
11456 struct bnx2x *bp = params->bp;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011457 vars->link_up = 1;
11458 vars->line_speed = SPEED_10000;
11459 vars->duplex = DUPLEX_FULL;
11460 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11461 vars->mac_type = MAC_TYPE_BMAC;
11462
11463 vars->phy_flags = PHY_XGXS_FLAG;
11464
11465 bnx2x_xgxs_deassert(params);
11466
11467 /* set bmac loopback */
11468 bnx2x_bmac_enable(params, vars, 1);
11469
11470 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11471}
11472
11473void bnx2x_init_emac_loopback(struct link_params *params,
11474 struct link_vars *vars)
11475{
11476 struct bnx2x *bp = params->bp;
11477 vars->link_up = 1;
11478 vars->line_speed = SPEED_1000;
11479 vars->duplex = DUPLEX_FULL;
11480 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11481 vars->mac_type = MAC_TYPE_EMAC;
11482
11483 vars->phy_flags = PHY_XGXS_FLAG;
11484
11485 bnx2x_xgxs_deassert(params);
11486 /* set bmac loopback */
11487 bnx2x_emac_enable(params, vars, 1);
11488 bnx2x_emac_program(params, vars);
11489 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11490}
11491
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011492void bnx2x_init_xmac_loopback(struct link_params *params,
11493 struct link_vars *vars)
11494{
11495 struct bnx2x *bp = params->bp;
11496 vars->link_up = 1;
11497 if (!params->req_line_speed[0])
11498 vars->line_speed = SPEED_10000;
11499 else
11500 vars->line_speed = params->req_line_speed[0];
11501 vars->duplex = DUPLEX_FULL;
11502 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11503 vars->mac_type = MAC_TYPE_XMAC;
11504 vars->phy_flags = PHY_XGXS_FLAG;
11505 /*
11506 * Set WC to loopback mode since link is required to provide clock
11507 * to the XMAC in 20G mode
11508 */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011509 if (vars->line_speed == SPEED_20000) {
11510 bnx2x_set_aer_mmd(params, &params->phy[0]);
11511 bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
11512 params->phy[INT_PHY].config_loopback(
11513 &params->phy[INT_PHY],
11514 params);
11515 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011516 bnx2x_xmac_enable(params, vars, 1);
11517 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11518}
11519
11520void bnx2x_init_umac_loopback(struct link_params *params,
11521 struct link_vars *vars)
11522{
11523 struct bnx2x *bp = params->bp;
11524 vars->link_up = 1;
11525 vars->line_speed = SPEED_1000;
11526 vars->duplex = DUPLEX_FULL;
11527 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11528 vars->mac_type = MAC_TYPE_UMAC;
11529 vars->phy_flags = PHY_XGXS_FLAG;
11530 bnx2x_umac_enable(params, vars, 1);
11531
11532 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11533}
11534
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011535void bnx2x_init_xgxs_loopback(struct link_params *params,
11536 struct link_vars *vars)
11537{
11538 struct bnx2x *bp = params->bp;
11539 vars->link_up = 1;
11540 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11541 vars->duplex = DUPLEX_FULL;
11542 if (params->req_line_speed[0] == SPEED_1000)
11543 vars->line_speed = SPEED_1000;
11544 else
11545 vars->line_speed = SPEED_10000;
11546
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011547 if (!USES_WARPCORE(bp))
11548 bnx2x_xgxs_deassert(params);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011549 bnx2x_link_initialize(params, vars);
11550
11551 if (params->req_line_speed[0] == SPEED_1000) {
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011552 if (USES_WARPCORE(bp))
11553 bnx2x_umac_enable(params, vars, 0);
11554 else {
11555 bnx2x_emac_program(params, vars);
11556 bnx2x_emac_enable(params, vars, 0);
11557 }
11558 } else {
11559 if (USES_WARPCORE(bp))
11560 bnx2x_xmac_enable(params, vars, 0);
11561 else
11562 bnx2x_bmac_enable(params, vars, 0);
11563 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011564
11565 if (params->loopback_mode == LOOPBACK_XGXS) {
11566 /* set 10G XGXS loopback */
11567 params->phy[INT_PHY].config_loopback(
11568 &params->phy[INT_PHY],
11569 params);
11570
11571 } else {
11572 /* set external phy loopback */
11573 u8 phy_index;
11574 for (phy_index = EXT_PHY1;
11575 phy_index < params->num_phys; phy_index++) {
11576 if (params->phy[phy_index].config_loopback)
11577 params->phy[phy_index].config_loopback(
11578 &params->phy[phy_index],
11579 params);
11580 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011581 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011582 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011583
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011584 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011585}
11586
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011587int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011588{
11589 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011590 DP(NETIF_MSG_LINK, "Phy Initialization started\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011591 DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
11592 params->req_line_speed[0], params->req_flow_ctrl[0]);
11593 DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
11594 params->req_line_speed[1], params->req_flow_ctrl[1]);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011595 vars->link_status = 0;
11596 vars->phy_link_up = 0;
11597 vars->link_up = 0;
11598 vars->line_speed = 0;
11599 vars->duplex = DUPLEX_FULL;
11600 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11601 vars->mac_type = MAC_TYPE_NONE;
11602 vars->phy_flags = 0;
11603
11604 /* disable attentions */
11605 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
11606 (NIG_MASK_XGXS0_LINK_STATUS |
11607 NIG_MASK_XGXS0_LINK10G |
11608 NIG_MASK_SERDES0_LINK_STATUS |
11609 NIG_MASK_MI_INT));
11610
11611 bnx2x_emac_init(params, vars);
11612
11613 if (params->num_phys == 0) {
11614 DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
11615 return -EINVAL;
11616 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011617 set_phy_vars(params, vars);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011618
11619 DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011620 switch (params->loopback_mode) {
11621 case LOOPBACK_BMAC:
11622 bnx2x_init_bmac_loopback(params, vars);
11623 break;
11624 case LOOPBACK_EMAC:
11625 bnx2x_init_emac_loopback(params, vars);
11626 break;
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011627 case LOOPBACK_XMAC:
11628 bnx2x_init_xmac_loopback(params, vars);
11629 break;
11630 case LOOPBACK_UMAC:
11631 bnx2x_init_umac_loopback(params, vars);
11632 break;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011633 case LOOPBACK_XGXS:
11634 case LOOPBACK_EXT_PHY:
11635 bnx2x_init_xgxs_loopback(params, vars);
11636 break;
11637 default:
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011638 if (!CHIP_IS_E3(bp)) {
11639 if (params->switch_cfg == SWITCH_CFG_10G)
11640 bnx2x_xgxs_deassert(params);
11641 else
11642 bnx2x_serdes_deassert(bp, params->port);
11643 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011644 bnx2x_link_initialize(params, vars);
11645 msleep(30);
11646 bnx2x_link_int_enable(params);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011647 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011648 }
11649 return 0;
11650}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011651
11652int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
11653 u8 reset_ext_phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011654{
11655 struct bnx2x *bp = params->bp;
Yaniv Rosnercf1d9722010-11-01 05:32:34 +000011656 u8 phy_index, port = params->port, clear_latch_ind = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011657 DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
11658 /* disable attentions */
11659 vars->link_status = 0;
11660 bnx2x_update_mng(params, vars->link_status);
11661 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011662 (NIG_MASK_XGXS0_LINK_STATUS |
11663 NIG_MASK_XGXS0_LINK10G |
11664 NIG_MASK_SERDES0_LINK_STATUS |
11665 NIG_MASK_MI_INT));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011666
11667 /* activate nig drain */
11668 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
11669
11670 /* disable nig egress interface */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011671 if (!CHIP_IS_E3(bp)) {
11672 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
11673 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
11674 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011675
11676 /* Stop BigMac rx */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011677 if (!CHIP_IS_E3(bp))
11678 bnx2x_bmac_rx_disable(bp, port);
11679 else
11680 bnx2x_xmac_disable(params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011681 /* disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011682 if (!CHIP_IS_E3(bp))
11683 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011684
11685 msleep(10);
Lucas De Marchi25985ed2011-03-30 22:57:33 -030011686 /* The PHY reset is controlled by GPIO 1
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011687 * Hold it as vars low
11688 */
11689 /* clear link led */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011690 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
11691
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011692 if (reset_ext_phy) {
11693 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
11694 phy_index++) {
Yaniv Rosner7d099262011-07-05 01:07:16 +000011695 if (params->phy[phy_index].link_reset)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011696 params->phy[phy_index].link_reset(
11697 &params->phy[phy_index],
11698 params);
Yaniv Rosnercf1d9722010-11-01 05:32:34 +000011699 if (params->phy[phy_index].flags &
11700 FLAGS_REARM_LATCH_SIGNAL)
11701 clear_latch_ind = 1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011702 }
11703 }
11704
Yaniv Rosnercf1d9722010-11-01 05:32:34 +000011705 if (clear_latch_ind) {
11706 /* Clear latching indication */
11707 bnx2x_rearm_latch_signal(bp, port, 0);
11708 bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
11709 1 << NIG_LATCH_BC_ENABLE_MI_INT);
11710 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011711 if (params->phy[INT_PHY].link_reset)
11712 params->phy[INT_PHY].link_reset(
11713 &params->phy[INT_PHY], params);
11714 /* reset BigMac */
11715 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
11716 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
11717
11718 /* disable nig ingress interface */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011719 if (!CHIP_IS_E3(bp)) {
11720 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
11721 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
11722 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011723 vars->link_up = 0;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011724 vars->phy_flags = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011725 return 0;
11726}
11727
11728/****************************************************************************/
11729/* Common function */
11730/****************************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011731static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
11732 u32 shmem_base_path[],
11733 u32 shmem2_base_path[], u8 phy_index,
11734 u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011735{
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011736 struct bnx2x_phy phy[PORT_MAX];
11737 struct bnx2x_phy *phy_blk[PORT_MAX];
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011738 u16 val;
Yaniv Rosnerc8e64df2011-01-30 04:15:00 +000011739 s8 port = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011740 s8 port_of_path = 0;
Yaniv Rosnerc8e64df2011-01-30 04:15:00 +000011741 u32 swap_val, swap_override;
11742 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
11743 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
11744 port ^= (swap_val && swap_override);
11745 bnx2x_ext_phy_hw_reset(bp, port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011746 /* PART1 - Reset both phys */
11747 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011748 u32 shmem_base, shmem2_base;
11749 /* In E2, same phy is using for port0 of the two paths */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011750 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011751 shmem_base = shmem_base_path[0];
11752 shmem2_base = shmem2_base_path[0];
11753 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011754 } else {
11755 shmem_base = shmem_base_path[port];
11756 shmem2_base = shmem2_base_path[port];
11757 port_of_path = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011758 }
11759
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011760 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011761 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011762 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011763 0) {
11764 DP(NETIF_MSG_LINK, "populate_phy failed\n");
11765 return -EINVAL;
11766 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011767 /* disable attentions */
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +000011768 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
11769 port_of_path*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011770 (NIG_MASK_XGXS0_LINK_STATUS |
11771 NIG_MASK_XGXS0_LINK10G |
11772 NIG_MASK_SERDES0_LINK_STATUS |
11773 NIG_MASK_MI_INT));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011774
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011775 /* Need to take the phy out of low power mode in order
11776 to write to access its registers */
11777 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011778 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
11779 port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011780
11781 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011782 bnx2x_cl45_write(bp, &phy[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011783 MDIO_PMA_DEVAD,
11784 MDIO_PMA_REG_CTRL,
11785 1<<15);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011786 }
11787
11788 /* Add delay of 150ms after reset */
11789 msleep(150);
11790
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011791 if (phy[PORT_0].addr & 0x1) {
11792 phy_blk[PORT_0] = &(phy[PORT_1]);
11793 phy_blk[PORT_1] = &(phy[PORT_0]);
11794 } else {
11795 phy_blk[PORT_0] = &(phy[PORT_0]);
11796 phy_blk[PORT_1] = &(phy[PORT_1]);
11797 }
11798
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011799 /* PART2 - Download firmware to both phys */
11800 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011801 if (CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011802 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011803 else
11804 port_of_path = 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011805
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011806 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
11807 phy_blk[port]->addr);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +000011808 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
11809 port_of_path))
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011810 return -EINVAL;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011811
11812 /* Only set bit 10 = 1 (Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011813 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011814 MDIO_PMA_DEVAD,
11815 MDIO_PMA_REG_TX_POWER_DOWN, &val);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011816
11817 /* Phase1 of TX_POWER_DOWN reset */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011818 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011819 MDIO_PMA_DEVAD,
11820 MDIO_PMA_REG_TX_POWER_DOWN,
11821 (val | 1<<10));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011822 }
11823
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000011824 /*
11825 * Toggle Transmitter: Power down and then up with 600ms delay
11826 * between
11827 */
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011828 msleep(600);
11829
11830 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
11831 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Eilon Greensteinf5372252009-02-12 08:38:30 +000011832 /* Phase2 of POWER_DOWN_RESET */
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011833 /* Release bit 10 (Release Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011834 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011835 MDIO_PMA_DEVAD,
11836 MDIO_PMA_REG_TX_POWER_DOWN, &val);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011837
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011838 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011839 MDIO_PMA_DEVAD,
11840 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011841 msleep(15);
11842
11843 /* Read modify write the SPI-ROM version select register */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011844 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011845 MDIO_PMA_DEVAD,
11846 MDIO_PMA_REG_EDC_FFE_MAIN, &val);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011847 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011848 MDIO_PMA_DEVAD,
11849 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011850
11851 /* set GPIO2 back to LOW */
11852 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011853 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011854 }
11855 return 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011856}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011857static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
11858 u32 shmem_base_path[],
11859 u32 shmem2_base_path[], u8 phy_index,
11860 u32 chip_id)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011861{
11862 u32 val;
11863 s8 port;
11864 struct bnx2x_phy phy;
11865 /* Use port1 because of the static port-swap */
11866 /* Enable the module detection interrupt */
11867 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
11868 val |= ((1<<MISC_REGISTERS_GPIO_3)|
11869 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
11870 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
11871
Yaniv Rosner650154b2010-11-01 05:32:36 +000011872 bnx2x_ext_phy_hw_reset(bp, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011873 msleep(5);
11874 for (port = 0; port < PORT_MAX; port++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011875 u32 shmem_base, shmem2_base;
11876
11877 /* In E2, same phy is using for port0 of the two paths */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011878 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011879 shmem_base = shmem_base_path[0];
11880 shmem2_base = shmem2_base_path[0];
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011881 } else {
11882 shmem_base = shmem_base_path[port];
11883 shmem2_base = shmem2_base_path[port];
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011884 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011885 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011886 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011887 port, &phy) !=
11888 0) {
11889 DP(NETIF_MSG_LINK, "populate phy failed\n");
11890 return -EINVAL;
11891 }
11892
11893 /* Reset phy*/
11894 bnx2x_cl45_write(bp, &phy,
11895 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
11896
11897
11898 /* Set fault module detected LED on */
11899 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011900 MISC_REGISTERS_GPIO_HIGH,
11901 port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011902 }
11903
11904 return 0;
11905}
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000011906static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
11907 u8 *io_gpio, u8 *io_port)
11908{
11909
11910 u32 phy_gpio_reset = REG_RD(bp, shmem_base +
11911 offsetof(struct shmem_region,
11912 dev_info.port_hw_config[PORT_0].default_cfg));
11913 switch (phy_gpio_reset) {
11914 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
11915 *io_gpio = 0;
11916 *io_port = 0;
11917 break;
11918 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
11919 *io_gpio = 1;
11920 *io_port = 0;
11921 break;
11922 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
11923 *io_gpio = 2;
11924 *io_port = 0;
11925 break;
11926 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
11927 *io_gpio = 3;
11928 *io_port = 0;
11929 break;
11930 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
11931 *io_gpio = 0;
11932 *io_port = 1;
11933 break;
11934 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
11935 *io_gpio = 1;
11936 *io_port = 1;
11937 break;
11938 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
11939 *io_gpio = 2;
11940 *io_port = 1;
11941 break;
11942 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
11943 *io_gpio = 3;
11944 *io_port = 1;
11945 break;
11946 default:
11947 /* Don't override the io_gpio and io_port */
11948 break;
11949 }
11950}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011951
11952static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
11953 u32 shmem_base_path[],
11954 u32 shmem2_base_path[], u8 phy_index,
11955 u32 chip_id)
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011956{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000011957 s8 port, reset_gpio;
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011958 u32 swap_val, swap_override;
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011959 struct bnx2x_phy phy[PORT_MAX];
11960 struct bnx2x_phy *phy_blk[PORT_MAX];
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011961 s8 port_of_path;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011962 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
11963 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011964
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000011965 reset_gpio = MISC_REGISTERS_GPIO_1;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011966 port = 1;
11967
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000011968 /*
11969 * Retrieve the reset gpio/port which control the reset.
11970 * Default is GPIO1, PORT1
11971 */
11972 bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
11973 (u8 *)&reset_gpio, (u8 *)&port);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011974
11975 /* Calculate the port based on port swap */
11976 port ^= (swap_val && swap_override);
11977
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000011978 /* Initiate PHY reset*/
11979 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
11980 port);
11981 msleep(1);
11982 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
11983 port);
11984
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011985 msleep(5);
11986
11987 /* PART1 - Reset both phys */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011988 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011989 u32 shmem_base, shmem2_base;
11990
11991 /* In E2, same phy is using for port0 of the two paths */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011992 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011993 shmem_base = shmem_base_path[0];
11994 shmem2_base = shmem2_base_path[0];
11995 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011996 } else {
11997 shmem_base = shmem_base_path[port];
11998 shmem2_base = shmem2_base_path[port];
11999 port_of_path = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012000 }
12001
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012002 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012003 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012004 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012005 0) {
12006 DP(NETIF_MSG_LINK, "populate phy failed\n");
12007 return -EINVAL;
12008 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012009 /* disable attentions */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012010 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12011 port_of_path*4,
12012 (NIG_MASK_XGXS0_LINK_STATUS |
12013 NIG_MASK_XGXS0_LINK10G |
12014 NIG_MASK_SERDES0_LINK_STATUS |
12015 NIG_MASK_MI_INT));
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012016
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012017
12018 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012019 bnx2x_cl45_write(bp, &phy[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000012020 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012021 }
12022
12023 /* Add delay of 150ms after reset */
12024 msleep(150);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012025 if (phy[PORT_0].addr & 0x1) {
12026 phy_blk[PORT_0] = &(phy[PORT_1]);
12027 phy_blk[PORT_1] = &(phy[PORT_0]);
12028 } else {
12029 phy_blk[PORT_0] = &(phy[PORT_0]);
12030 phy_blk[PORT_1] = &(phy[PORT_1]);
12031 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012032 /* PART2 - Download firmware to both phys */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012033 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012034 if (CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012035 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012036 else
12037 port_of_path = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012038 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12039 phy_blk[port]->addr);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +000012040 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12041 port_of_path))
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012042 return -EINVAL;
Yaniv Rosner85242ee2011-07-05 01:06:53 +000012043 /* Disable PHY transmitter output */
12044 bnx2x_cl45_write(bp, phy_blk[port],
12045 MDIO_PMA_DEVAD,
12046 MDIO_PMA_REG_TX_DISABLE, 1);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012047
Yaniv Rosner5c99274b2011-01-18 04:33:36 +000012048 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012049 return 0;
12050}
12051
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012052static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
12053 u32 shmem2_base_path[], u8 phy_index,
12054 u32 ext_phy_type, u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012055{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012056 int rc = 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012057
12058 switch (ext_phy_type) {
12059 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012060 rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
12061 shmem2_base_path,
12062 phy_index, chip_id);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012063 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +000012064 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012065 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
12066 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012067 rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
12068 shmem2_base_path,
12069 phy_index, chip_id);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000012070 break;
12071
Eilon Greenstein589abe32009-02-12 08:36:55 +000012072 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000012073 /*
12074 * GPIO1 affects both ports, so there's need to pull
12075 * it for single port alone
12076 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012077 rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
12078 shmem2_base_path,
12079 phy_index, chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012080 break;
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000012081 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12082 /*
12083 * GPIO3's are linked, and so both need to be toggled
12084 * to obtain required 2us pulse.
12085 */
12086 rc = bnx2x_84833_common_init_phy(bp, shmem_base_path, chip_id);
12087 break;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012088 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
12089 rc = -EINVAL;
Yaniv Rosner4f60dab2009-11-05 19:18:23 +020012090 break;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012091 default:
12092 DP(NETIF_MSG_LINK,
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000012093 "ext_phy 0x%x common init not required\n",
12094 ext_phy_type);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012095 break;
12096 }
12097
Yaniv Rosner6d870c32011-01-31 04:22:20 +000012098 if (rc != 0)
12099 netdev_err(bp->dev, "Warning: PHY was not initialized,"
12100 " Port %d\n",
12101 0);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070012102 return rc;
12103}
12104
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012105int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
12106 u32 shmem2_base_path[], u32 chip_id)
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012107{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000012108 int rc = 0;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012109 u32 phy_ver, val;
12110 u8 phy_index = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012111 u32 ext_phy_type, ext_phy_config;
Yaniv Rosnera198c142011-05-31 21:29:42 +000012112 bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
12113 bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012114 DP(NETIF_MSG_LINK, "Begin common phy init\n");
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012115 if (CHIP_IS_E3(bp)) {
12116 /* Enable EPIO */
12117 val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
12118 REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
12119 }
Yaniv Rosnerb21a3422011-01-18 04:33:24 +000012120 /* Check if common init was already done */
12121 phy_ver = REG_RD(bp, shmem_base_path[0] +
12122 offsetof(struct shmem_region,
12123 port_mb[PORT_0].ext_phy_fw_version));
12124 if (phy_ver) {
12125 DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
12126 phy_ver);
12127 return 0;
12128 }
12129
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012130 /* Read the ext_phy_type for arbitrary port(0) */
12131 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
12132 phy_index++) {
12133 ext_phy_config = bnx2x_get_ext_phy_config(bp,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012134 shmem_base_path[0],
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012135 phy_index, 0);
12136 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012137 rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
12138 shmem2_base_path,
12139 phy_index, ext_phy_type,
12140 chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012141 }
12142 return rc;
12143}
12144
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012145static void bnx2x_check_over_curr(struct link_params *params,
12146 struct link_vars *vars)
12147{
12148 struct bnx2x *bp = params->bp;
12149 u32 cfg_pin;
12150 u8 port = params->port;
12151 u32 pin_val;
12152
12153 cfg_pin = (REG_RD(bp, params->shmem_base +
12154 offsetof(struct shmem_region,
12155 dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
12156 PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
12157 PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
12158
12159 /* Ignore check if no external input PIN available */
12160 if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
12161 return;
12162
12163 if (!pin_val) {
12164 if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
12165 netdev_err(bp->dev, "Error: Power fault on Port %d has"
12166 " been detected and the power to "
12167 "that SFP+ module has been removed"
12168 " to prevent failure of the card."
12169 " Please remove the SFP+ module and"
12170 " restart the system to clear this"
12171 " error.\n",
12172 params->port);
12173 vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
12174 }
12175 } else
12176 vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
12177}
12178
12179static void bnx2x_analyze_link_error(struct link_params *params,
12180 struct link_vars *vars, u32 lss_status)
12181{
12182 struct bnx2x *bp = params->bp;
12183 /* Compare new value with previous value */
12184 u8 led_mode;
12185 u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
12186
12187 /*DP(NETIF_MSG_LINK, "CHECK LINK: %x half_open:%x-> lss:%x\n",
12188 vars->link_up,
12189 half_open_conn, lss_status);*/
12190
12191 if ((lss_status ^ half_open_conn) == 0)
12192 return;
12193
12194 /* If values differ */
12195 DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
12196 half_open_conn, lss_status);
12197
12198 /*
12199 * a. Update shmem->link_status accordingly
12200 * b. Update link_vars->link_up
12201 */
12202 if (lss_status) {
12203 vars->link_status &= ~LINK_STATUS_LINK_UP;
12204 vars->link_up = 0;
12205 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
12206 /*
12207 * Set LED mode to off since the PHY doesn't know about these
12208 * errors
12209 */
12210 led_mode = LED_MODE_OFF;
12211 } else {
12212 vars->link_status |= LINK_STATUS_LINK_UP;
12213 vars->link_up = 1;
12214 vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
12215 led_mode = LED_MODE_OPER;
12216 }
12217 /* Update the LED according to the link state */
12218 bnx2x_set_led(params, vars, led_mode, SPEED_10000);
12219
12220 /* Update link status in the shared memory */
12221 bnx2x_update_mng(params, vars->link_status);
12222
12223 /* C. Trigger General Attention */
12224 vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
12225 bnx2x_notify_link_changed(bp);
12226}
12227
12228static void bnx2x_check_half_open_conn(struct link_params *params,
12229 struct link_vars *vars)
12230{
12231 struct bnx2x *bp = params->bp;
12232 u32 lss_status = 0;
12233 u32 mac_base;
12234 /* In case link status is physically up @ 10G do */
12235 if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
12236 return;
12237
12238 if (!CHIP_IS_E3(bp) &&
12239 (REG_RD(bp, MISC_REG_RESET_REG_2) &
12240 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))) {
12241 /* Check E1X / E2 BMAC */
12242 u32 lss_status_reg;
12243 u32 wb_data[2];
12244 mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
12245 NIG_REG_INGRESS_BMAC0_MEM;
12246 /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
12247 if (CHIP_IS_E2(bp))
12248 lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
12249 else
12250 lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
12251
12252 REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
12253 lss_status = (wb_data[0] > 0);
12254
12255 bnx2x_analyze_link_error(params, vars, lss_status);
12256 }
12257}
12258
12259void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
12260{
12261 struct bnx2x *bp = params->bp;
12262 if (!params) {
12263 DP(NETIF_MSG_LINK, "Ininitliazed params !\n");
12264 return;
12265 }
12266 /* DP(NETIF_MSG_LINK, "Periodic called vars->phy_flags 0x%x speed 0x%x
12267 RESET_REG_2 0x%x\n", vars->phy_flags, vars->line_speed,
12268 REG_RD(bp, MISC_REG_RESET_REG_2)); */
12269 bnx2x_check_half_open_conn(params, vars);
12270 if (CHIP_IS_E3(bp))
12271 bnx2x_check_over_curr(params, vars);
12272}
12273
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012274u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000012275{
12276 u8 phy_index;
12277 struct bnx2x_phy phy;
12278 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12279 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012280 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000012281 0, &phy) != 0) {
12282 DP(NETIF_MSG_LINK, "populate phy failed\n");
12283 return 0;
12284 }
12285
12286 if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
12287 return 1;
12288 }
12289 return 0;
12290}
12291
12292u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
12293 u32 shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012294 u32 shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000012295 u8 port)
12296{
12297 u8 phy_index, fan_failure_det_req = 0;
12298 struct bnx2x_phy phy;
12299 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
12300 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012301 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000012302 port, &phy)
12303 != 0) {
12304 DP(NETIF_MSG_LINK, "populate phy failed\n");
12305 return 0;
12306 }
12307 fan_failure_det_req |= (phy.flags &
12308 FLAGS_FAN_FAILURE_DET_REQ);
12309 }
12310 return fan_failure_det_req;
12311}
12312
12313void bnx2x_hw_reset_phy(struct link_params *params)
12314{
12315 u8 phy_index;
Yaniv Rosner985848f2011-07-05 01:06:48 +000012316 struct bnx2x *bp = params->bp;
12317 bnx2x_update_mng(params, 0);
12318 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
12319 (NIG_MASK_XGXS0_LINK_STATUS |
12320 NIG_MASK_XGXS0_LINK10G |
12321 NIG_MASK_SERDES0_LINK_STATUS |
12322 NIG_MASK_MI_INT));
12323
12324 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000012325 phy_index++) {
12326 if (params->phy[phy_index].hw_reset) {
12327 params->phy[phy_index].hw_reset(
12328 &params->phy[phy_index],
12329 params);
12330 params->phy[phy_index] = phy_null;
12331 }
12332 }
12333}
Yaniv Rosner020c7e32011-05-31 21:28:43 +000012334
12335void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
12336 u32 chip_id, u32 shmem_base, u32 shmem2_base,
12337 u8 port)
12338{
12339 u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
12340 u32 val;
12341 u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012342 if (CHIP_IS_E3(bp)) {
12343 if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
12344 shmem_base,
12345 port,
12346 &gpio_num,
12347 &gpio_port) != 0)
12348 return;
12349 } else {
Yaniv Rosner020c7e32011-05-31 21:28:43 +000012350 struct bnx2x_phy phy;
12351 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
12352 phy_index++) {
12353 if (bnx2x_populate_phy(bp, phy_index, shmem_base,
12354 shmem2_base, port, &phy)
12355 != 0) {
12356 DP(NETIF_MSG_LINK, "populate phy failed\n");
12357 return;
12358 }
12359 if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
12360 gpio_num = MISC_REGISTERS_GPIO_3;
12361 gpio_port = port;
12362 break;
12363 }
12364 }
12365 }
12366
12367 if (gpio_num == 0xff)
12368 return;
12369
12370 /* Set GPIO3 to trigger SFP+ module insertion/removal */
12371 bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
12372
12373 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12374 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
12375 gpio_port ^= (swap_val && swap_override);
12376
12377 vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
12378 (gpio_num + (gpio_port << 2));
12379
12380 sync_offset = shmem_base +
12381 offsetof(struct shmem_region,
12382 dev_info.port_hw_config[port].aeu_int_mask);
12383 REG_WR(bp, sync_offset, vars->aeu_int_mask);
12384
12385 DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
12386 gpio_num, gpio_port, vars->aeu_int_mask);
12387
12388 if (port == 0)
12389 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
12390 else
12391 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
12392
12393 /* Open appropriate AEU for interrupts */
12394 aeu_mask = REG_RD(bp, offset);
12395 aeu_mask |= vars->aeu_int_mask;
12396 REG_WR(bp, offset, aeu_mask);
12397
12398 /* Enable the GPIO to trigger interrupt */
12399 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
12400 val |= 1 << (gpio_num + (gpio_port << 2));
12401 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
12402}