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Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001/* Copyright 2008-2011 Broadcom Corporation
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002 *
3 * Unless you and Broadcom execute a separate written software license
4 * agreement governing use of this software, this software is licensed to you
5 * under the terms of the GNU General Public License version 2, available
6 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
7 *
8 * Notwithstanding the above, under no circumstances may you combine this
9 * software in any way with any other Broadcom software provided under a
10 * license other than the GPL, without Broadcom's express prior written
11 * consent.
12 *
13 * Written by Yaniv Rosner
14 *
15 */
16
Joe Perches7995c642010-02-17 15:01:52 +000017#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
18
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070019#include <linux/kernel.h>
20#include <linux/errno.h>
21#include <linux/pci.h>
22#include <linux/netdevice.h>
23#include <linux/delay.h>
24#include <linux/ethtool.h>
25#include <linux/mutex.h>
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070026
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070027#include "bnx2x.h"
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030028#include "bnx2x_cmn.h"
29
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070030
31/********************************************************/
Eilon Greenstein3196a882008-08-13 15:58:49 -070032#define ETH_HLEN 14
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000033/* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
34#define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070035#define ETH_MIN_PACKET_SIZE 60
36#define ETH_MAX_PACKET_SIZE 1500
37#define ETH_MAX_JUMBO_PACKET_SIZE 9600
38#define MDIO_ACCESS_TIMEOUT 1000
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000039#define BMAC_CONTROL_RX_ENABLE 2
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000040#define WC_LANE_MAX 4
41#define I2C_SWITCH_WIDTH 2
42#define I2C_BSC0 0
43#define I2C_BSC1 1
44#define I2C_WA_RETRY_CNT 3
45#define MCPR_IMC_COMMAND_READ_OP 1
46#define MCPR_IMC_COMMAND_WRITE_OP 2
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070047
48/***********************************************************/
Eilon Greenstein3196a882008-08-13 15:58:49 -070049/* Shortcut definitions */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070050/***********************************************************/
51
Eilon Greenstein2f904462009-08-12 08:22:16 +000052#define NIG_LATCH_BC_ENABLE_MI_INT 0
53
54#define NIG_STATUS_EMAC0_MI_INT \
55 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070056#define NIG_STATUS_XGXS0_LINK10G \
57 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
58#define NIG_STATUS_XGXS0_LINK_STATUS \
59 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
60#define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
61 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
62#define NIG_STATUS_SERDES0_LINK_STATUS \
63 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
64#define NIG_MASK_MI_INT \
65 NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
66#define NIG_MASK_XGXS0_LINK10G \
67 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
68#define NIG_MASK_XGXS0_LINK_STATUS \
69 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
70#define NIG_MASK_SERDES0_LINK_STATUS \
71 NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
72
73#define MDIO_AN_CL73_OR_37_COMPLETE \
74 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
75 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
76
77#define XGXS_RESET_BITS \
78 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
79 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
80 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
81 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
82 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
83
84#define SERDES_RESET_BITS \
85 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
86 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
87 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
88 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
89
90#define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
91#define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000092#define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
Eilon Greenstein3196a882008-08-13 15:58:49 -070093#define AUTONEG_PARALLEL \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070094 SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
Eilon Greenstein3196a882008-08-13 15:58:49 -070095#define AUTONEG_SGMII_FIBER_AUTODET \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070096 SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
Eilon Greenstein3196a882008-08-13 15:58:49 -070097#define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070098
99#define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
100 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
101#define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
102 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
103#define GP_STATUS_SPEED_MASK \
104 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
105#define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
106#define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
107#define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
108#define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
109#define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
110#define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
111#define GP_STATUS_10G_HIG \
112 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
113#define GP_STATUS_10G_CX4 \
114 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700115#define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
116#define GP_STATUS_10G_KX4 \
117 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000118#define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
119#define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
120#define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
121#define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000122#define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
123#define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700124#define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000125#define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700126#define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
127#define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
128#define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
129#define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
130#define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
131#define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
132#define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000133#define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
134#define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000135#define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
136#define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
Yaniv Rosner6583e332011-06-14 01:34:17 +0000137
138
139
Eilon Greenstein589abe32009-02-12 08:36:55 +0000140/* */
141#define SFP_EEPROM_CON_TYPE_ADDR 0x2
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000142 #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
Eilon Greenstein589abe32009-02-12 08:36:55 +0000143 #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
144
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000145
146#define SFP_EEPROM_COMP_CODE_ADDR 0x3
147 #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
148 #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
149 #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
150
Eilon Greenstein589abe32009-02-12 08:36:55 +0000151#define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
152 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000153 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000154
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000155#define SFP_EEPROM_OPTIONS_ADDR 0x40
Eilon Greenstein589abe32009-02-12 08:36:55 +0000156 #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000157#define SFP_EEPROM_OPTIONS_SIZE 2
Eilon Greenstein589abe32009-02-12 08:36:55 +0000158
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000159#define EDC_MODE_LINEAR 0x0022
160#define EDC_MODE_LIMITING 0x0044
161#define EDC_MODE_PASSIVE_DAC 0x0055
Eilon Greenstein589abe32009-02-12 08:36:55 +0000162
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000163
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000164/* BRB thresholds for E2*/
165#define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
166#define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
167
168#define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
169#define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
170
171#define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
172#define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
173
174#define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
175#define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
176
177/* BRB thresholds for E3A0 */
178#define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
179#define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
180
181#define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
182#define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
183
184#define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
185#define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
186
187#define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
188#define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
189
190
191/* BRB thresholds for E3B0 2 port mode*/
192#define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
193#define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
194
195#define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
196#define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
197
198#define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
199#define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
200
201#define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
202#define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
203
204/* only for E3B0*/
205#define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
206#define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
207
208/* Lossy +Lossless GUARANTIED == GUART */
209#define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
210/* Lossless +Lossless*/
211#define PFC_E3B0_2P_PAUSE_LB_GUART 236
212/* Lossy +Lossy*/
213#define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
214
215/* Lossy +Lossless*/
216#define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
217/* Lossless +Lossless*/
218#define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
219/* Lossy +Lossy*/
220#define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
221#define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
222
223#define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
224#define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
225
226/* BRB thresholds for E3B0 4 port mode */
227#define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
228#define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
229
230#define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
231#define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
232
233#define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
234#define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
235
236#define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
237#define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
238
239
240/* only for E3B0*/
241#define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
242#define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
243#define PFC_E3B0_4P_LB_GUART 120
244
245#define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
246#define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
247
248#define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
249#define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
250
251#define DCBX_INVALID_COS (0xFF)
252
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000253#define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
254#define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000255#define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
256#define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
257#define ETS_E3B0_PBF_MIN_W_VAL (10000)
258
259#define MAX_PACKET_SIZE (9700)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000260#define WC_UC_TIMEOUT 100
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000261
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700262/**********************************************************/
263/* INTERFACE */
264/**********************************************************/
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000265
Yaniv Rosnercd2be892011-01-31 04:21:45 +0000266#define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000267 bnx2x_cl45_write(_bp, _phy, \
Yaniv Rosner7aa07112010-09-07 11:41:01 +0000268 (_phy)->def_md_devad, \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700269 (_bank + (_addr & 0xf)), \
270 _val)
271
Yaniv Rosnercd2be892011-01-31 04:21:45 +0000272#define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000273 bnx2x_cl45_read(_bp, _phy, \
Yaniv Rosner7aa07112010-09-07 11:41:01 +0000274 (_phy)->def_md_devad, \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700275 (_bank + (_addr & 0xf)), \
276 _val)
277
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700278static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
279{
280 u32 val = REG_RD(bp, reg);
281
282 val |= bits;
283 REG_WR(bp, reg, val);
284 return val;
285}
286
287static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
288{
289 u32 val = REG_RD(bp, reg);
290
291 val &= ~bits;
292 REG_WR(bp, reg, val);
293 return val;
294}
295
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000296/******************************************************************/
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000297/* EPIO/GPIO section */
298/******************************************************************/
Yaniv Rosner3deb8162011-06-14 01:34:33 +0000299static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
300{
301 u32 epio_mask, gp_oenable;
302 *en = 0;
303 /* Sanity check */
304 if (epio_pin > 31) {
305 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
306 return;
307 }
308
309 epio_mask = 1 << epio_pin;
310 /* Set this EPIO to output */
311 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
312 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
313
314 *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
315}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000316static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
317{
318 u32 epio_mask, gp_output, gp_oenable;
319
320 /* Sanity check */
321 if (epio_pin > 31) {
322 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
323 return;
324 }
325 DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
326 epio_mask = 1 << epio_pin;
327 /* Set this EPIO to output */
328 gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
329 if (en)
330 gp_output |= epio_mask;
331 else
332 gp_output &= ~epio_mask;
333
334 REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
335
336 /* Set the value for this EPIO */
337 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
338 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
339}
340
341static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
342{
343 if (pin_cfg == PIN_CFG_NA)
344 return;
345 if (pin_cfg >= PIN_CFG_EPIO0) {
346 bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
347 } else {
348 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
349 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
350 bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
351 }
352}
353
Yaniv Rosner3deb8162011-06-14 01:34:33 +0000354static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
355{
356 if (pin_cfg == PIN_CFG_NA)
357 return -EINVAL;
358 if (pin_cfg >= PIN_CFG_EPIO0) {
359 bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
360 } else {
361 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
362 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
363 *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
364 }
365 return 0;
366
367}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +0000368/******************************************************************/
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000369/* ETS section */
370/******************************************************************/
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000371static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000372{
373 /* ETS disabled configuration*/
374 struct bnx2x *bp = params->bp;
375
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000376 DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000377
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000378 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000379 * mapping between entry priority to client number (0,1,2 -debug and
380 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
381 * 3bits client num.
382 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
383 * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
384 */
385
386 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000387 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000388 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
389 * as strict. Bits 0,1,2 - debug and management entries, 3 -
390 * COS0 entry, 4 - COS1 entry.
391 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
392 * bit4 bit3 bit2 bit1 bit0
393 * MCP and debug are strict
394 */
395
396 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
397 /* defines which entries (clients) are subjected to WFQ arbitration */
398 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000399 /*
400 * For strict priority entries defines the number of consecutive
401 * slots for the highest priority.
402 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000403 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000404 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000405 * mapping between the CREDIT_WEIGHT registers and actual client
406 * numbers
407 */
408 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
409 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
410 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
411
412 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
413 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
414 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
415 /* ETS mode disable */
416 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000417 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000418 * If ETS mode is enabled (there is no strict priority) defines a WFQ
419 * weight for COS0/COS1.
420 */
421 REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
422 REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
423 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
424 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
425 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
426 /* Defines the number of consecutive slots for the strict priority */
427 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
428}
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000429/******************************************************************************
430* Description:
431* Getting min_w_val will be set according to line speed .
432*.
433******************************************************************************/
434static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
435{
436 u32 min_w_val = 0;
437 /* Calculate min_w_val.*/
438 if (vars->link_up) {
439 if (SPEED_20000 == vars->line_speed)
440 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
441 else
442 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
443 } else
444 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
445 /**
446 * If the link isn't up (static configuration for example ) The
447 * link will be according to 20GBPS.
448 */
449 return min_w_val;
450}
451/******************************************************************************
452* Description:
453* Getting credit upper bound form min_w_val.
454*.
455******************************************************************************/
456static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
457{
458 const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
459 MAX_PACKET_SIZE);
460 return credit_upper_bound;
461}
462/******************************************************************************
463* Description:
464* Set credit upper bound for NIG.
465*.
466******************************************************************************/
467static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
468 const struct link_params *params,
469 const u32 min_w_val)
470{
471 struct bnx2x *bp = params->bp;
472 const u8 port = params->port;
473 const u32 credit_upper_bound =
474 bnx2x_ets_get_credit_upper_bound(min_w_val);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000475
Yaniv Rosner6c3218c2011-06-14 01:34:23 +0000476 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
477 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
478 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
479 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
480 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
481 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
482 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
483 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
484 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
485 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
486 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
487 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
488
489 if (0 == port) {
490 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
491 credit_upper_bound);
492 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
493 credit_upper_bound);
494 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
495 credit_upper_bound);
496 }
497}
498/******************************************************************************
499* Description:
500* Will return the NIG ETS registers to init values.Except
501* credit_upper_bound.
502* That isn't used in this configuration (No WFQ is enabled) and will be
503* configured acording to spec
504*.
505******************************************************************************/
506static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
507 const struct link_vars *vars)
508{
509 struct bnx2x *bp = params->bp;
510 const u8 port = params->port;
511 const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
512 /**
513 * mapping between entry priority to client number (0,1,2 -debug and
514 * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
515 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
516 * reset value or init tool
517 */
518 if (port) {
519 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
520 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
521 } else {
522 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
523 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
524 }
525 /**
526 * For strict priority entries defines the number of consecutive
527 * slots for the highest priority.
528 */
529 /* TODO_ETS - Should be done by reset value or init tool */
530 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
531 NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
532 /**
533 * mapping between the CREDIT_WEIGHT registers and actual client
534 * numbers
535 */
536 /* TODO_ETS - Should be done by reset value or init tool */
537 if (port) {
538 /*Port 1 has 6 COS*/
539 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
540 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
541 } else {
542 /*Port 0 has 9 COS*/
543 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
544 0x43210876);
545 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
546 }
547
548 /**
549 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
550 * as strict. Bits 0,1,2 - debug and management entries, 3 -
551 * COS0 entry, 4 - COS1 entry.
552 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
553 * bit4 bit3 bit2 bit1 bit0
554 * MCP and debug are strict
555 */
556 if (port)
557 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
558 else
559 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
560 /* defines which entries (clients) are subjected to WFQ arbitration */
561 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
562 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
563
564 /**
565 * Please notice the register address are note continuous and a
566 * for here is note appropriate.In 2 port mode port0 only COS0-5
567 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
568 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
569 * are never used for WFQ
570 */
571 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
572 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
573 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
574 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
575 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
576 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
577 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
578 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
579 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
580 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
581 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
582 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
583 if (0 == port) {
584 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
585 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
586 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
587 }
588
589 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
590}
591/******************************************************************************
592* Description:
593* Set credit upper bound for PBF.
594*.
595******************************************************************************/
596static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
597 const struct link_params *params,
598 const u32 min_w_val)
599{
600 struct bnx2x *bp = params->bp;
601 const u32 credit_upper_bound =
602 bnx2x_ets_get_credit_upper_bound(min_w_val);
603 const u8 port = params->port;
604 u32 base_upper_bound = 0;
605 u8 max_cos = 0;
606 u8 i = 0;
607 /**
608 * In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
609 * port mode port1 has COS0-2 that can be used for WFQ.
610 */
611 if (0 == port) {
612 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
613 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
614 } else {
615 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
616 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
617 }
618
619 for (i = 0; i < max_cos; i++)
620 REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
621}
622
623/******************************************************************************
624* Description:
625* Will return the PBF ETS registers to init values.Except
626* credit_upper_bound.
627* That isn't used in this configuration (No WFQ is enabled) and will be
628* configured acording to spec
629*.
630******************************************************************************/
631static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
632{
633 struct bnx2x *bp = params->bp;
634 const u8 port = params->port;
635 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
636 u8 i = 0;
637 u32 base_weight = 0;
638 u8 max_cos = 0;
639
640 /**
641 * mapping between entry priority to client number 0 - COS0
642 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
643 * TODO_ETS - Should be done by reset value or init tool
644 */
645 if (port)
646 /* 0x688 (|011|0 10|00 1|000) */
647 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
648 else
649 /* (10 1|100 |011|0 10|00 1|000) */
650 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
651
652 /* TODO_ETS - Should be done by reset value or init tool */
653 if (port)
654 /* 0x688 (|011|0 10|00 1|000)*/
655 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
656 else
657 /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
658 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
659
660 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
661 PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
662
663
664 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
665 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
666
667 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
668 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
669 /**
670 * In 2 port mode port0 has COS0-5 that can be used for WFQ.
671 * In 4 port mode port1 has COS0-2 that can be used for WFQ.
672 */
673 if (0 == port) {
674 base_weight = PBF_REG_COS0_WEIGHT_P0;
675 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
676 } else {
677 base_weight = PBF_REG_COS0_WEIGHT_P1;
678 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
679 }
680
681 for (i = 0; i < max_cos; i++)
682 REG_WR(bp, base_weight + (0x4 * i), 0);
683
684 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
685}
686/******************************************************************************
687* Description:
688* E3B0 disable will return basicly the values to init values.
689*.
690******************************************************************************/
691static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
692 const struct link_vars *vars)
693{
694 struct bnx2x *bp = params->bp;
695
696 if (!CHIP_IS_E3B0(bp)) {
697 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_disabled the chip isn't E3B0"
698 "\n");
699 return -EINVAL;
700 }
701
702 bnx2x_ets_e3b0_nig_disabled(params, vars);
703
704 bnx2x_ets_e3b0_pbf_disabled(params);
705
706 return 0;
707}
708
709/******************************************************************************
710* Description:
711* Disable will return basicly the values to init values.
712*.
713******************************************************************************/
714int bnx2x_ets_disabled(struct link_params *params,
715 struct link_vars *vars)
716{
717 struct bnx2x *bp = params->bp;
718 int bnx2x_status = 0;
719
720 if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
721 bnx2x_ets_e2e3a0_disabled(params);
722 else if (CHIP_IS_E3B0(bp))
723 bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
724 else {
725 DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
726 return -EINVAL;
727 }
728
729 return bnx2x_status;
730}
731
732/******************************************************************************
733* Description
734* Set the COS mappimg to SP and BW until this point all the COS are not
735* set as SP or BW.
736******************************************************************************/
737static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
738 const struct bnx2x_ets_params *ets_params,
739 const u8 cos_sp_bitmap,
740 const u8 cos_bw_bitmap)
741{
742 struct bnx2x *bp = params->bp;
743 const u8 port = params->port;
744 const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
745 const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
746 const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
747 const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
748
749 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
750 NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
751
752 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
753 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
754
755 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
756 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
757 nig_cli_subject2wfq_bitmap);
758
759 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
760 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
761 pbf_cli_subject2wfq_bitmap);
762
763 return 0;
764}
765
766/******************************************************************************
767* Description:
768* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
769* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
770******************************************************************************/
771static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
772 const u8 cos_entry,
773 const u32 min_w_val_nig,
774 const u32 min_w_val_pbf,
775 const u16 total_bw,
776 const u8 bw,
777 const u8 port)
778{
779 u32 nig_reg_adress_crd_weight = 0;
780 u32 pbf_reg_adress_crd_weight = 0;
781 /* Calculate and set BW for this COS*/
782 const u32 cos_bw_nig = (bw * min_w_val_nig) / total_bw;
783 const u32 cos_bw_pbf = (bw * min_w_val_pbf) / total_bw;
784
785 switch (cos_entry) {
786 case 0:
787 nig_reg_adress_crd_weight =
788 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
789 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
790 pbf_reg_adress_crd_weight = (port) ?
791 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
792 break;
793 case 1:
794 nig_reg_adress_crd_weight = (port) ?
795 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
796 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
797 pbf_reg_adress_crd_weight = (port) ?
798 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
799 break;
800 case 2:
801 nig_reg_adress_crd_weight = (port) ?
802 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
803 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
804
805 pbf_reg_adress_crd_weight = (port) ?
806 PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
807 break;
808 case 3:
809 if (port)
810 return -EINVAL;
811 nig_reg_adress_crd_weight =
812 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
813 pbf_reg_adress_crd_weight =
814 PBF_REG_COS3_WEIGHT_P0;
815 break;
816 case 4:
817 if (port)
818 return -EINVAL;
819 nig_reg_adress_crd_weight =
820 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
821 pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
822 break;
823 case 5:
824 if (port)
825 return -EINVAL;
826 nig_reg_adress_crd_weight =
827 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
828 pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
829 break;
830 }
831
832 REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
833
834 REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
835
836 return 0;
837}
838/******************************************************************************
839* Description:
840* Calculate the total BW.A value of 0 isn't legal.
841*.
842******************************************************************************/
843static int bnx2x_ets_e3b0_get_total_bw(
844 const struct link_params *params,
845 const struct bnx2x_ets_params *ets_params,
846 u16 *total_bw)
847{
848 struct bnx2x *bp = params->bp;
849 u8 cos_idx = 0;
850
851 *total_bw = 0 ;
852 /* Calculate total BW requested */
853 for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
854 if (bnx2x_cos_state_bw == ets_params->cos[cos_idx].state) {
855
856 if (0 == ets_params->cos[cos_idx].params.bw_params.bw) {
857 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
858 "was set to 0\n");
859 return -EINVAL;
860 }
861 *total_bw +=
862 ets_params->cos[cos_idx].params.bw_params.bw;
863 }
864 }
865
866 /*Check taotl BW is valid */
867 if ((100 != *total_bw) || (0 == *total_bw)) {
868 if (0 == *total_bw) {
869 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config toatl BW"
870 "shouldn't be 0\n");
871 return -EINVAL;
872 }
873 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config toatl BW should be"
874 "100\n");
875 /**
876 * We can handle a case whre the BW isn't 100 this can happen
877 * if the TC are joined.
878 */
879 }
880 return 0;
881}
882
883/******************************************************************************
884* Description:
885* Invalidate all the sp_pri_to_cos.
886*.
887******************************************************************************/
888static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
889{
890 u8 pri = 0;
891 for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
892 sp_pri_to_cos[pri] = DCBX_INVALID_COS;
893}
894/******************************************************************************
895* Description:
896* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
897* according to sp_pri_to_cos.
898*.
899******************************************************************************/
900static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
901 u8 *sp_pri_to_cos, const u8 pri,
902 const u8 cos_entry)
903{
904 struct bnx2x *bp = params->bp;
905 const u8 port = params->port;
906 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
907 DCBX_E3B0_MAX_NUM_COS_PORT0;
908
909 if (DCBX_INVALID_COS != sp_pri_to_cos[pri]) {
910 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
911 "parameter There can't be two COS's with"
912 "the same strict pri\n");
913 return -EINVAL;
914 }
915
916 if (pri > max_num_of_cos) {
917 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid"
918 "parameter Illegal strict priority\n");
919 return -EINVAL;
920 }
921
922 sp_pri_to_cos[pri] = cos_entry;
923 return 0;
924
925}
926
927/******************************************************************************
928* Description:
929* Returns the correct value according to COS and priority in
930* the sp_pri_cli register.
931*.
932******************************************************************************/
933static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
934 const u8 pri_set,
935 const u8 pri_offset,
936 const u8 entry_size)
937{
938 u64 pri_cli_nig = 0;
939 pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
940 (pri_set + pri_offset));
941
942 return pri_cli_nig;
943}
944/******************************************************************************
945* Description:
946* Returns the correct value according to COS and priority in the
947* sp_pri_cli register for NIG.
948*.
949******************************************************************************/
950static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
951{
952 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
953 const u8 nig_cos_offset = 3;
954 const u8 nig_pri_offset = 3;
955
956 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
957 nig_pri_offset, 4);
958
959}
960/******************************************************************************
961* Description:
962* Returns the correct value according to COS and priority in the
963* sp_pri_cli register for PBF.
964*.
965******************************************************************************/
966static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
967{
968 const u8 pbf_cos_offset = 0;
969 const u8 pbf_pri_offset = 0;
970
971 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
972 pbf_pri_offset, 3);
973
974}
975
976/******************************************************************************
977* Description:
978* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
979* according to sp_pri_to_cos.(which COS has higher priority)
980*.
981******************************************************************************/
982static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
983 u8 *sp_pri_to_cos)
984{
985 struct bnx2x *bp = params->bp;
986 u8 i = 0;
987 const u8 port = params->port;
988 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
989 u64 pri_cli_nig = 0x210;
990 u32 pri_cli_pbf = 0x0;
991 u8 pri_set = 0;
992 u8 pri_bitmask = 0;
993 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
994 DCBX_E3B0_MAX_NUM_COS_PORT0;
995
996 u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
997
998 /* Set all the strict priority first */
999 for (i = 0; i < max_num_of_cos; i++) {
1000 if (DCBX_INVALID_COS != sp_pri_to_cos[i]) {
1001 if (DCBX_MAX_NUM_COS <= sp_pri_to_cos[i]) {
1002 DP(NETIF_MSG_LINK,
1003 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1004 "invalid cos entry\n");
1005 return -EINVAL;
1006 }
1007
1008 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1009 sp_pri_to_cos[i], pri_set);
1010
1011 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1012 sp_pri_to_cos[i], pri_set);
1013 pri_bitmask = 1 << sp_pri_to_cos[i];
1014 /* COS is used remove it from bitmap.*/
1015 if (0 == (pri_bitmask & cos_bit_to_set)) {
1016 DP(NETIF_MSG_LINK,
1017 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1018 "invalid There can't be two COS's with"
1019 " the same strict pri\n");
1020 return -EINVAL;
1021 }
1022 cos_bit_to_set &= ~pri_bitmask;
1023 pri_set++;
1024 }
1025 }
1026
1027 /* Set all the Non strict priority i= COS*/
1028 for (i = 0; i < max_num_of_cos; i++) {
1029 pri_bitmask = 1 << i;
1030 /* Check if COS was already used for SP */
1031 if (pri_bitmask & cos_bit_to_set) {
1032 /* COS wasn't used for SP */
1033 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1034 i, pri_set);
1035
1036 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1037 i, pri_set);
1038 /* COS is used remove it from bitmap.*/
1039 cos_bit_to_set &= ~pri_bitmask;
1040 pri_set++;
1041 }
1042 }
1043
1044 if (pri_set != max_num_of_cos) {
1045 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
1046 "entries were set\n");
1047 return -EINVAL;
1048 }
1049
1050 if (port) {
1051 /* Only 6 usable clients*/
1052 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1053 (u32)pri_cli_nig);
1054
1055 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
1056 } else {
1057 /* Only 9 usable clients*/
1058 const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
1059 const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
1060
1061 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1062 pri_cli_nig_lsb);
1063 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1064 pri_cli_nig_msb);
1065
1066 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
1067 }
1068 return 0;
1069}
1070
1071/******************************************************************************
1072* Description:
1073* Configure the COS to ETS according to BW and SP settings.
1074******************************************************************************/
1075int bnx2x_ets_e3b0_config(const struct link_params *params,
1076 const struct link_vars *vars,
1077 const struct bnx2x_ets_params *ets_params)
1078{
1079 struct bnx2x *bp = params->bp;
1080 int bnx2x_status = 0;
1081 const u8 port = params->port;
1082 u16 total_bw = 0;
1083 const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
1084 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
1085 u8 cos_bw_bitmap = 0;
1086 u8 cos_sp_bitmap = 0;
1087 u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
1088 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1089 DCBX_E3B0_MAX_NUM_COS_PORT0;
1090 u8 cos_entry = 0;
1091
1092 if (!CHIP_IS_E3B0(bp)) {
1093 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_disabled the chip isn't E3B0"
1094 "\n");
1095 return -EINVAL;
1096 }
1097
1098 if ((ets_params->num_of_cos > max_num_of_cos)) {
1099 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
1100 "isn't supported\n");
1101 return -EINVAL;
1102 }
1103
1104 /* Prepare sp strict priority parameters*/
1105 bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1106
1107 /* Prepare BW parameters*/
1108 bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
1109 &total_bw);
1110 if (0 != bnx2x_status) {
1111 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config get_total_bw failed "
1112 "\n");
1113 return -EINVAL;
1114 }
1115
1116 /**
1117 * Upper bound is set according to current link speed (min_w_val
1118 * should be the same for upper bound and COS credit val).
1119 */
1120 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
1121 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1122
1123
1124 for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
1125 if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
1126 cos_bw_bitmap |= (1 << cos_entry);
1127 /**
1128 * The function also sets the BW in HW(not the mappin
1129 * yet)
1130 */
1131 bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
1132 bp, cos_entry, min_w_val_nig, min_w_val_pbf,
1133 total_bw,
1134 ets_params->cos[cos_entry].params.bw_params.bw,
1135 port);
1136 } else if (bnx2x_cos_state_strict ==
1137 ets_params->cos[cos_entry].state){
1138 cos_sp_bitmap |= (1 << cos_entry);
1139
1140 bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
1141 params,
1142 sp_pri_to_cos,
1143 ets_params->cos[cos_entry].params.sp_params.pri,
1144 cos_entry);
1145
1146 } else {
1147 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_config cos state not"
1148 " valid\n");
1149 return -EINVAL;
1150 }
1151 if (0 != bnx2x_status) {
1152 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_config set cos bw "
1153 "failed\n");
1154 return bnx2x_status;
1155 }
1156 }
1157
1158 /* Set SP register (which COS has higher priority) */
1159 bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
1160 sp_pri_to_cos);
1161
1162 if (0 != bnx2x_status) {
1163 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config set_pri_cli_reg "
1164 "failed\n");
1165 return bnx2x_status;
1166 }
1167
1168 /* Set client mapping of BW and strict */
1169 bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
1170 cos_sp_bitmap,
1171 cos_bw_bitmap);
1172
1173 if (0 != bnx2x_status) {
1174 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
1175 return bnx2x_status;
1176 }
1177 return 0;
1178}
Yaniv Rosner65a001b2011-01-31 04:22:03 +00001179static void bnx2x_ets_bw_limit_common(const struct link_params *params)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001180{
1181 /* ETS disabled configuration */
1182 struct bnx2x *bp = params->bp;
1183 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001184 /*
1185 * defines which entries (clients) are subjected to WFQ arbitration
1186 * COS0 0x8
1187 * COS1 0x10
1188 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001189 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001190 /*
1191 * mapping between the ARB_CREDIT_WEIGHT registers and actual
1192 * client numbers (WEIGHT_0 does not actually have to represent
1193 * client 0)
1194 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1195 * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
1196 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001197 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
1198
1199 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
1200 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1201 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
1202 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1203
1204 /* ETS mode enabled*/
1205 REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
1206
1207 /* Defines the number of consecutive slots for the strict priority */
1208 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001209 /*
1210 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
1211 * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
1212 * entry, 4 - COS1 entry.
1213 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1214 * bit4 bit3 bit2 bit1 bit0
1215 * MCP and debug are strict
1216 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001217 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
1218
1219 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
1220 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
1221 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1222 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
1223 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1224}
1225
1226void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
1227 const u32 cos1_bw)
1228{
1229 /* ETS disabled configuration*/
1230 struct bnx2x *bp = params->bp;
1231 const u32 total_bw = cos0_bw + cos1_bw;
1232 u32 cos0_credit_weight = 0;
1233 u32 cos1_credit_weight = 0;
1234
1235 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1236
1237 if ((0 == total_bw) ||
1238 (0 == cos0_bw) ||
1239 (0 == cos1_bw)) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001240 DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001241 return;
1242 }
1243
1244 cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1245 total_bw;
1246 cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1247 total_bw;
1248
1249 bnx2x_ets_bw_limit_common(params);
1250
1251 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
1252 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
1253
1254 REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
1255 REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
1256}
1257
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001258int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001259{
1260 /* ETS disabled configuration*/
1261 struct bnx2x *bp = params->bp;
1262 u32 val = 0;
1263
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001264 DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001265 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001266 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
1267 * as strict. Bits 0,1,2 - debug and management entries,
1268 * 3 - COS0 entry, 4 - COS1 entry.
1269 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1270 * bit4 bit3 bit2 bit1 bit0
1271 * MCP and debug are strict
1272 */
1273 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001274 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001275 * For strict priority entries defines the number of consecutive slots
1276 * for the highest priority.
1277 */
1278 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1279 /* ETS mode disable */
1280 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
1281 /* Defines the number of consecutive slots for the strict priority */
1282 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
1283
1284 /* Defines the number of consecutive slots for the strict priority */
1285 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
1286
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001287 /*
1288 * mapping between entry priority to client number (0,1,2 -debug and
1289 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
1290 * 3bits client num.
1291 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1292 * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
1293 * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
1294 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001295 val = (0 == strict_cos) ? 0x2318 : 0x22E0;
1296 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
1297
1298 return 0;
1299}
1300/******************************************************************/
Dmitry Kravkove8920672011-05-04 23:52:40 +00001301/* PFC section */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001302/******************************************************************/
1303
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001304static void bnx2x_update_pfc_xmac(struct link_params *params,
1305 struct link_vars *vars,
1306 u8 is_lb)
1307{
1308 struct bnx2x *bp = params->bp;
1309 u32 xmac_base;
1310 u32 pause_val, pfc0_val, pfc1_val;
1311
1312 /* XMAC base adrr */
1313 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1314
1315 /* Initialize pause and pfc registers */
1316 pause_val = 0x18000;
1317 pfc0_val = 0xFFFF8000;
1318 pfc1_val = 0x2;
1319
1320 /* No PFC support */
1321 if (!(params->feature_config_flags &
1322 FEATURE_CONFIG_PFC_ENABLED)) {
1323
1324 /*
1325 * RX flow control - Process pause frame in receive direction
1326 */
1327 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1328 pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
1329
1330 /*
1331 * TX flow control - Send pause packet when buffer is full
1332 */
1333 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1334 pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
1335 } else {/* PFC support */
1336 pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
1337 XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
1338 XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
1339 XMAC_PFC_CTRL_HI_REG_TX_PFC_EN;
1340 }
1341
1342 /* Write pause and PFC registers */
1343 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1344 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1345 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1346
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001347
1348 /* Set MAC address for source TX Pause/PFC frames */
1349 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
1350 ((params->mac_addr[2] << 24) |
1351 (params->mac_addr[3] << 16) |
1352 (params->mac_addr[4] << 8) |
1353 (params->mac_addr[5])));
1354 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
1355 ((params->mac_addr[0] << 8) |
1356 (params->mac_addr[1])));
1357
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001358 udelay(30);
1359}
1360
1361
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001362static void bnx2x_emac_get_pfc_stat(struct link_params *params,
1363 u32 pfc_frames_sent[2],
1364 u32 pfc_frames_received[2])
1365{
1366 /* Read pfc statistic */
1367 struct bnx2x *bp = params->bp;
1368 u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1369 u32 val_xon = 0;
1370 u32 val_xoff = 0;
1371
1372 DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
1373
1374 /* PFC received frames */
1375 val_xoff = REG_RD(bp, emac_base +
1376 EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
1377 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
1378 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
1379 val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
1380
1381 pfc_frames_received[0] = val_xon + val_xoff;
1382
1383 /* PFC received sent */
1384 val_xoff = REG_RD(bp, emac_base +
1385 EMAC_REG_RX_PFC_STATS_XOFF_SENT);
1386 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
1387 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
1388 val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
1389
1390 pfc_frames_sent[0] = val_xon + val_xoff;
1391}
1392
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001393/* Read pfc statistic*/
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001394void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
1395 u32 pfc_frames_sent[2],
1396 u32 pfc_frames_received[2])
1397{
1398 /* Read pfc statistic */
1399 struct bnx2x *bp = params->bp;
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001400
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001401 DP(NETIF_MSG_LINK, "pfc statistic\n");
1402
1403 if (!vars->link_up)
1404 return;
1405
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001406 if (MAC_TYPE_EMAC == vars->mac_type) {
1407 DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001408 bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
1409 pfc_frames_received);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001410 }
1411}
1412/******************************************************************/
1413/* MAC/PBF section */
1414/******************************************************************/
Yaniv Rosnera198c142011-05-31 21:29:42 +00001415static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
1416{
1417 u32 mode, emac_base;
1418 /**
1419 * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
1420 * (a value of 49==0x31) and make sure that the AUTO poll is off
1421 */
1422
1423 if (CHIP_IS_E2(bp))
1424 emac_base = GRCBASE_EMAC0;
1425 else
1426 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1427 mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
1428 mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
1429 EMAC_MDIO_MODE_CLOCK_CNT);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00001430 if (USES_WARPCORE(bp))
1431 mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
1432 else
1433 mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
Yaniv Rosnera198c142011-05-31 21:29:42 +00001434
1435 mode |= (EMAC_MDIO_MODE_CLAUSE_45);
1436 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
1437
1438 udelay(40);
1439}
1440
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001441static void bnx2x_emac_init(struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001442 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001443{
1444 /* reset and unreset the emac core */
1445 struct bnx2x *bp = params->bp;
1446 u8 port = params->port;
1447 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1448 u32 val;
1449 u16 timeout;
1450
1451 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001452 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001453 udelay(5);
1454 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001455 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001456
1457 /* init emac - use read-modify-write */
1458 /* self clear reset */
1459 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
Eilon Greenstein3196a882008-08-13 15:58:49 -07001460 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001461
1462 timeout = 200;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001463 do {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001464 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1465 DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
1466 if (!timeout) {
1467 DP(NETIF_MSG_LINK, "EMAC timeout!\n");
1468 return;
1469 }
1470 timeout--;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001471 } while (val & EMAC_MODE_RESET);
Yaniv Rosnera198c142011-05-31 21:29:42 +00001472 bnx2x_set_mdio_clk(bp, params->chip_id, port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001473 /* Set mac address */
1474 val = ((params->mac_addr[0] << 8) |
1475 params->mac_addr[1]);
Eilon Greenstein3196a882008-08-13 15:58:49 -07001476 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001477
1478 val = ((params->mac_addr[2] << 24) |
1479 (params->mac_addr[3] << 16) |
1480 (params->mac_addr[4] << 8) |
1481 params->mac_addr[5]);
Eilon Greenstein3196a882008-08-13 15:58:49 -07001482 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001483}
1484
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001485static void bnx2x_set_xumac_nig(struct link_params *params,
1486 u16 tx_pause_en,
1487 u8 enable)
1488{
1489 struct bnx2x *bp = params->bp;
1490
1491 REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
1492 enable);
1493 REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
1494 enable);
1495 REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
1496 NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
1497}
1498
1499static void bnx2x_umac_enable(struct link_params *params,
1500 struct link_vars *vars, u8 lb)
1501{
1502 u32 val;
1503 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1504 struct bnx2x *bp = params->bp;
1505 /* Reset UMAC */
1506 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1507 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1508 usleep_range(1000, 1000);
1509
1510 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1511 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1512
1513 DP(NETIF_MSG_LINK, "enabling UMAC\n");
1514
1515 /**
1516 * This register determines on which events the MAC will assert
1517 * error on the i/f to the NIG along w/ EOP.
1518 */
1519
1520 /**
1521 * BD REG_WR(bp, NIG_REG_P0_MAC_RSV_ERR_MASK +
1522 * params->port*0x14, 0xfffff.
1523 */
1524 /* This register opens the gate for the UMAC despite its name */
1525 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
1526
1527 val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
1528 UMAC_COMMAND_CONFIG_REG_PAD_EN |
1529 UMAC_COMMAND_CONFIG_REG_SW_RESET |
1530 UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
1531 switch (vars->line_speed) {
1532 case SPEED_10:
1533 val |= (0<<2);
1534 break;
1535 case SPEED_100:
1536 val |= (1<<2);
1537 break;
1538 case SPEED_1000:
1539 val |= (2<<2);
1540 break;
1541 case SPEED_2500:
1542 val |= (3<<2);
1543 break;
1544 default:
1545 DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
1546 vars->line_speed);
1547 break;
1548 }
1549 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1550 udelay(50);
1551
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00001552 /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
1553 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
1554 ((params->mac_addr[2] << 24) |
1555 (params->mac_addr[3] << 16) |
1556 (params->mac_addr[4] << 8) |
1557 (params->mac_addr[5])));
1558 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
1559 ((params->mac_addr[0] << 8) |
1560 (params->mac_addr[1])));
1561
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001562 /* Enable RX and TX */
1563 val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
1564 val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00001565 UMAC_COMMAND_CONFIG_REG_RX_ENA;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001566 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1567 udelay(50);
1568
1569 /* Remove SW Reset */
1570 val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
1571
1572 /* Check loopback mode */
1573 if (lb)
1574 val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
1575 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1576
1577 /*
1578 * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
1579 * length used by the MAC receive logic to check frames.
1580 */
1581 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
1582 bnx2x_set_xumac_nig(params,
1583 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1584 vars->mac_type = MAC_TYPE_UMAC;
1585
1586}
1587
1588static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
1589{
1590 u32 port4mode_ovwr_val;
1591 /* Check 4-port override enabled */
1592 port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
1593 if (port4mode_ovwr_val & (1<<0)) {
1594 /* Return 4-port mode override value */
1595 return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
1596 }
1597 /* Return 4-port mode from input pin */
1598 return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
1599}
1600
1601/* Define the XMAC mode */
1602static void bnx2x_xmac_init(struct bnx2x *bp, u32 max_speed)
1603{
1604 u32 is_port4mode = bnx2x_is_4_port_mode(bp);
1605
1606 /**
1607 * In 4-port mode, need to set the mode only once, so if XMAC is
1608 * already out of reset, it means the mode has already been set,
1609 * and it must not* reset the XMAC again, since it controls both
1610 * ports of the path
1611 **/
1612
1613 if (is_port4mode && (REG_RD(bp, MISC_REG_RESET_REG_2) &
1614 MISC_REGISTERS_RESET_REG_2_XMAC)) {
1615 DP(NETIF_MSG_LINK, "XMAC already out of reset"
1616 " in 4-port mode\n");
1617 return;
1618 }
1619
1620 /* Hard reset */
1621 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1622 MISC_REGISTERS_RESET_REG_2_XMAC);
1623 usleep_range(1000, 1000);
1624
1625 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1626 MISC_REGISTERS_RESET_REG_2_XMAC);
1627 if (is_port4mode) {
1628 DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
1629
1630 /* Set the number of ports on the system side to up to 2 */
1631 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
1632
1633 /* Set the number of ports on the Warp Core to 10G */
1634 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1635 } else {
1636 /* Set the number of ports on the system side to 1 */
1637 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
1638 if (max_speed == SPEED_10000) {
1639 DP(NETIF_MSG_LINK, "Init XMAC to 10G x 1"
1640 " port per path\n");
1641 /* Set the number of ports on the Warp Core to 10G */
1642 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1643 } else {
1644 DP(NETIF_MSG_LINK, "Init XMAC to 20G x 2 ports"
1645 " per path\n");
1646 /* Set the number of ports on the Warp Core to 20G */
1647 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
1648 }
1649 }
1650 /* Soft reset */
1651 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1652 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1653 usleep_range(1000, 1000);
1654
1655 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1656 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1657
1658}
1659
1660static void bnx2x_xmac_disable(struct link_params *params)
1661{
1662 u8 port = params->port;
1663 struct bnx2x *bp = params->bp;
1664 u32 xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1665
1666 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1667 MISC_REGISTERS_RESET_REG_2_XMAC) {
1668 DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
1669 REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
1670 usleep_range(1000, 1000);
1671 bnx2x_set_xumac_nig(params, 0, 0);
1672 REG_WR(bp, xmac_base + XMAC_REG_CTRL,
1673 XMAC_CTRL_REG_SOFT_RESET);
1674 }
1675}
1676
1677static int bnx2x_xmac_enable(struct link_params *params,
1678 struct link_vars *vars, u8 lb)
1679{
1680 u32 val, xmac_base;
1681 struct bnx2x *bp = params->bp;
1682 DP(NETIF_MSG_LINK, "enabling XMAC\n");
1683
1684 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1685
1686 bnx2x_xmac_init(bp, vars->line_speed);
1687
1688 /*
1689 * This register determines on which events the MAC will assert
1690 * error on the i/f to the NIG along w/ EOP.
1691 */
1692
1693 /*
1694 * This register tells the NIG whether to send traffic to UMAC
1695 * or XMAC
1696 */
1697 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
1698
1699 /* Set Max packet size */
1700 REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
1701
1702 /* CRC append for Tx packets */
1703 REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
1704
1705 /* update PFC */
1706 bnx2x_update_pfc_xmac(params, vars, 0);
1707
1708 /* Enable TX and RX */
1709 val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
1710
1711 /* Check loopback mode */
1712 if (lb)
1713 val |= XMAC_CTRL_REG_CORE_LOCAL_LPBK;
1714 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1715 bnx2x_set_xumac_nig(params,
1716 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1717
1718 vars->mac_type = MAC_TYPE_XMAC;
1719
1720 return 0;
1721}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001722static int bnx2x_emac_enable(struct link_params *params,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00001723 struct link_vars *vars, u8 lb)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001724{
1725 struct bnx2x *bp = params->bp;
1726 u8 port = params->port;
1727 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1728 u32 val;
1729
1730 DP(NETIF_MSG_LINK, "enabling EMAC\n");
1731
1732 /* enable emac and not bmac */
1733 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
1734
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001735 /* ASIC */
1736 if (vars->phy_flags & PHY_XGXS_FLAG) {
1737 u32 ser_lane = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001738 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1739 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001740
1741 DP(NETIF_MSG_LINK, "XGXS\n");
1742 /* select the master lanes (out of 0-3) */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001743 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001744 /* select XGXS */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001745 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001746
1747 } else { /* SerDes */
1748 DP(NETIF_MSG_LINK, "SerDes\n");
1749 /* select SerDes */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001750 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001751 }
1752
Eilon Greenstein811a2f22009-02-12 08:37:04 +00001753 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001754 EMAC_RX_MODE_RESET);
Eilon Greenstein811a2f22009-02-12 08:37:04 +00001755 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001756 EMAC_TX_MODE_RESET);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001757
1758 if (CHIP_REV_IS_SLOW(bp)) {
1759 /* config GMII mode */
1760 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001761 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001762 } else { /* ASIC */
1763 /* pause enable/disable */
1764 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1765 EMAC_RX_MODE_FLOW_EN);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001766
1767 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001768 (EMAC_TX_MODE_EXT_PAUSE_EN |
1769 EMAC_TX_MODE_FLOW_EN));
1770 if (!(params->feature_config_flags &
1771 FEATURE_CONFIG_PFC_ENABLED)) {
1772 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1773 bnx2x_bits_en(bp, emac_base +
1774 EMAC_REG_EMAC_RX_MODE,
1775 EMAC_RX_MODE_FLOW_EN);
1776
1777 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1778 bnx2x_bits_en(bp, emac_base +
1779 EMAC_REG_EMAC_TX_MODE,
1780 (EMAC_TX_MODE_EXT_PAUSE_EN |
1781 EMAC_TX_MODE_FLOW_EN));
1782 } else
1783 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1784 EMAC_TX_MODE_FLOW_EN);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001785 }
1786
1787 /* KEEP_VLAN_TAG, promiscuous */
1788 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
1789 val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001790
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001791 /*
1792 * Setting this bit causes MAC control frames (except for pause
1793 * frames) to be passed on for processing. This setting has no
1794 * affect on the operation of the pause frames. This bit effects
1795 * all packets regardless of RX Parser packet sorting logic.
1796 * Turn the PFC off to make sure we are in Xon state before
1797 * enabling it.
1798 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001799 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
1800 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1801 DP(NETIF_MSG_LINK, "PFC is enabled\n");
1802 /* Enable PFC again */
1803 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
1804 EMAC_REG_RX_PFC_MODE_RX_EN |
1805 EMAC_REG_RX_PFC_MODE_TX_EN |
1806 EMAC_REG_RX_PFC_MODE_PRIORITIES);
1807
1808 EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
1809 ((0x0101 <<
1810 EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
1811 (0x00ff <<
1812 EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
1813 val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
1814 }
Eilon Greenstein3196a882008-08-13 15:58:49 -07001815 EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001816
1817 /* Set Loopback */
1818 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1819 if (lb)
1820 val |= 0x810;
1821 else
1822 val &= ~0x810;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001823 EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001824
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001825 /* enable emac */
1826 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
1827
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001828 /* enable emac for jumbo packets */
Eilon Greenstein3196a882008-08-13 15:58:49 -07001829 EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001830 (EMAC_RX_MTU_SIZE_JUMBO_ENA |
1831 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
1832
1833 /* strip CRC */
1834 REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
1835
1836 /* disable the NIG in/out to the bmac */
1837 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
1838 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
1839 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
1840
1841 /* enable the NIG in/out to the emac */
1842 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
1843 val = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001844 if ((params->feature_config_flags &
1845 FEATURE_CONFIG_PFC_ENABLED) ||
1846 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001847 val = 1;
1848
1849 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
1850 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
1851
Yaniv Rosner02a23162011-01-31 04:22:53 +00001852 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001853
1854 vars->mac_type = MAC_TYPE_EMAC;
1855 return 0;
1856}
1857
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001858static void bnx2x_update_pfc_bmac1(struct link_params *params,
1859 struct link_vars *vars)
1860{
1861 u32 wb_data[2];
1862 struct bnx2x *bp = params->bp;
1863 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1864 NIG_REG_INGRESS_BMAC0_MEM;
1865
1866 u32 val = 0x14;
1867 if ((!(params->feature_config_flags &
1868 FEATURE_CONFIG_PFC_ENABLED)) &&
1869 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1870 /* Enable BigMAC to react on received Pause packets */
1871 val |= (1<<5);
1872 wb_data[0] = val;
1873 wb_data[1] = 0;
1874 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
1875
1876 /* tx control */
1877 val = 0xc0;
1878 if (!(params->feature_config_flags &
1879 FEATURE_CONFIG_PFC_ENABLED) &&
1880 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1881 val |= 0x800000;
1882 wb_data[0] = val;
1883 wb_data[1] = 0;
1884 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
1885}
1886
1887static void bnx2x_update_pfc_bmac2(struct link_params *params,
1888 struct link_vars *vars,
1889 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001890{
1891 /*
1892 * Set rx control: Strip CRC and enable BigMAC to relay
1893 * control packets to the system as well
1894 */
1895 u32 wb_data[2];
1896 struct bnx2x *bp = params->bp;
1897 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1898 NIG_REG_INGRESS_BMAC0_MEM;
1899 u32 val = 0x14;
1900
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001901 if ((!(params->feature_config_flags &
1902 FEATURE_CONFIG_PFC_ENABLED)) &&
1903 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001904 /* Enable BigMAC to react on received Pause packets */
1905 val |= (1<<5);
1906 wb_data[0] = val;
1907 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001908 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001909 udelay(30);
1910
1911 /* Tx control */
1912 val = 0xc0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001913 if (!(params->feature_config_flags &
1914 FEATURE_CONFIG_PFC_ENABLED) &&
1915 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001916 val |= 0x800000;
1917 wb_data[0] = val;
1918 wb_data[1] = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001919 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001920
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001921 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1922 DP(NETIF_MSG_LINK, "PFC is enabled\n");
1923 /* Enable PFC RX & TX & STATS and set 8 COS */
1924 wb_data[0] = 0x0;
1925 wb_data[0] |= (1<<0); /* RX */
1926 wb_data[0] |= (1<<1); /* TX */
1927 wb_data[0] |= (1<<2); /* Force initial Xon */
1928 wb_data[0] |= (1<<3); /* 8 cos */
1929 wb_data[0] |= (1<<5); /* STATS */
1930 wb_data[1] = 0;
1931 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
1932 wb_data, 2);
1933 /* Clear the force Xon */
1934 wb_data[0] &= ~(1<<2);
1935 } else {
1936 DP(NETIF_MSG_LINK, "PFC is disabled\n");
1937 /* disable PFC RX & TX & STATS and set 8 COS */
1938 wb_data[0] = 0x8;
1939 wb_data[1] = 0;
1940 }
1941
1942 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
1943
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001944 /*
1945 * Set Time (based unit is 512 bit time) between automatic
1946 * re-sending of PP packets amd enable automatic re-send of
1947 * Per-Priroity Packet as long as pp_gen is asserted and
1948 * pp_disable is low.
1949 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001950 val = 0x8000;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001951 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
1952 val |= (1<<16); /* enable automatic re-send */
1953
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001954 wb_data[0] = val;
1955 wb_data[1] = 0;
1956 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001957 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001958
1959 /* mac control */
1960 val = 0x3; /* Enable RX and TX */
1961 if (is_lb) {
1962 val |= 0x4; /* Local loopback */
1963 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
1964 }
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001965 /* When PFC enabled, Pass pause frames towards the NIG. */
1966 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
1967 val |= ((1<<6)|(1<<5));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001968
1969 wb_data[0] = val;
1970 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001971 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001972}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001973
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001974
1975/* PFC BRB internal port configuration params */
1976struct bnx2x_pfc_brb_threshold_val {
1977 u32 pause_xoff;
1978 u32 pause_xon;
1979 u32 full_xoff;
1980 u32 full_xon;
1981};
1982
1983struct bnx2x_pfc_brb_e3b0_val {
1984 u32 full_lb_xoff_th;
1985 u32 full_lb_xon_threshold;
1986 u32 lb_guarantied;
1987 u32 mac_0_class_t_guarantied;
1988 u32 mac_0_class_t_guarantied_hyst;
1989 u32 mac_1_class_t_guarantied;
1990 u32 mac_1_class_t_guarantied_hyst;
1991};
1992
1993struct bnx2x_pfc_brb_th_val {
1994 struct bnx2x_pfc_brb_threshold_val pauseable_th;
1995 struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
1996};
1997static int bnx2x_pfc_brb_get_config_params(
1998 struct link_params *params,
1999 struct bnx2x_pfc_brb_th_val *config_val)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002000{
2001 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002002 DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
2003 if (CHIP_IS_E2(bp)) {
2004 config_val->pauseable_th.pause_xoff =
2005 PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2006 config_val->pauseable_th.pause_xon =
2007 PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
2008 config_val->pauseable_th.full_xoff =
2009 PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
2010 config_val->pauseable_th.full_xon =
2011 PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
2012 /* non pause able*/
2013 config_val->non_pauseable_th.pause_xoff =
2014 PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2015 config_val->non_pauseable_th.pause_xon =
2016 PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2017 config_val->non_pauseable_th.full_xoff =
2018 PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2019 config_val->non_pauseable_th.full_xon =
2020 PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2021 } else if (CHIP_IS_E3A0(bp)) {
2022 config_val->pauseable_th.pause_xoff =
2023 PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2024 config_val->pauseable_th.pause_xon =
2025 PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
2026 config_val->pauseable_th.full_xoff =
2027 PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
2028 config_val->pauseable_th.full_xon =
2029 PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
2030 /* non pause able*/
2031 config_val->non_pauseable_th.pause_xoff =
2032 PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2033 config_val->non_pauseable_th.pause_xon =
2034 PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2035 config_val->non_pauseable_th.full_xoff =
2036 PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2037 config_val->non_pauseable_th.full_xon =
2038 PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2039 } else if (CHIP_IS_E3B0(bp)) {
2040 if (params->phy[INT_PHY].flags &
2041 FLAGS_4_PORT_MODE) {
2042 config_val->pauseable_th.pause_xoff =
2043 PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2044 config_val->pauseable_th.pause_xon =
2045 PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
2046 config_val->pauseable_th.full_xoff =
2047 PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
2048 config_val->pauseable_th.full_xon =
2049 PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
2050 /* non pause able*/
2051 config_val->non_pauseable_th.pause_xoff =
2052 PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2053 config_val->non_pauseable_th.pause_xon =
2054 PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2055 config_val->non_pauseable_th.full_xoff =
2056 PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2057 config_val->non_pauseable_th.full_xon =
2058 PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2059 } else {
2060 config_val->pauseable_th.pause_xoff =
2061 PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2062 config_val->pauseable_th.pause_xon =
2063 PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
2064 config_val->pauseable_th.full_xoff =
2065 PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
2066 config_val->pauseable_th.full_xon =
2067 PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
2068 /* non pause able*/
2069 config_val->non_pauseable_th.pause_xoff =
2070 PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2071 config_val->non_pauseable_th.pause_xon =
2072 PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2073 config_val->non_pauseable_th.full_xoff =
2074 PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2075 config_val->non_pauseable_th.full_xon =
2076 PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2077 }
2078 } else
2079 return -EINVAL;
2080
2081 return 0;
2082}
2083
2084
2085static void bnx2x_pfc_brb_get_e3b0_config_params(struct link_params *params,
2086 struct bnx2x_pfc_brb_e3b0_val
2087 *e3b0_val,
2088 u32 cos0_pauseable,
2089 u32 cos1_pauseable)
2090{
2091 if (params->phy[INT_PHY].flags & FLAGS_4_PORT_MODE) {
2092 e3b0_val->full_lb_xoff_th =
2093 PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
2094 e3b0_val->full_lb_xon_threshold =
2095 PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
2096 e3b0_val->lb_guarantied =
2097 PFC_E3B0_4P_LB_GUART;
2098 e3b0_val->mac_0_class_t_guarantied =
2099 PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
2100 e3b0_val->mac_0_class_t_guarantied_hyst =
2101 PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
2102 e3b0_val->mac_1_class_t_guarantied =
2103 PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
2104 e3b0_val->mac_1_class_t_guarantied_hyst =
2105 PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
2106 } else {
2107 e3b0_val->full_lb_xoff_th =
2108 PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
2109 e3b0_val->full_lb_xon_threshold =
2110 PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
2111 e3b0_val->mac_0_class_t_guarantied_hyst =
2112 PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
2113 e3b0_val->mac_1_class_t_guarantied =
2114 PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
2115 e3b0_val->mac_1_class_t_guarantied_hyst =
2116 PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
2117
2118 if (cos0_pauseable != cos1_pauseable) {
2119 /* nonpauseable= Lossy + pauseable = Lossless*/
2120 e3b0_val->lb_guarantied =
2121 PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
2122 e3b0_val->mac_0_class_t_guarantied =
2123 PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
2124 } else if (cos0_pauseable) {
2125 /* Lossless +Lossless*/
2126 e3b0_val->lb_guarantied =
2127 PFC_E3B0_2P_PAUSE_LB_GUART;
2128 e3b0_val->mac_0_class_t_guarantied =
2129 PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
2130 } else {
2131 /* Lossy +Lossy*/
2132 e3b0_val->lb_guarantied =
2133 PFC_E3B0_2P_NON_PAUSE_LB_GUART;
2134 e3b0_val->mac_0_class_t_guarantied =
2135 PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
2136 }
2137 }
2138}
2139static int bnx2x_update_pfc_brb(struct link_params *params,
2140 struct link_vars *vars,
2141 struct bnx2x_nig_brb_pfc_port_params
2142 *pfc_params)
2143{
2144 struct bnx2x *bp = params->bp;
2145 struct bnx2x_pfc_brb_th_val config_val = { {0} };
2146 struct bnx2x_pfc_brb_threshold_val *reg_th_config =
2147 &config_val.pauseable_th;
2148 struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002149 int set_pfc = params->feature_config_flags &
2150 FEATURE_CONFIG_PFC_ENABLED;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002151 int bnx2x_status = 0;
2152 u8 port = params->port;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002153
2154 /* default - pause configuration */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002155 reg_th_config = &config_val.pauseable_th;
2156 bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
2157 if (0 != bnx2x_status)
2158 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002159
2160 if (set_pfc && pfc_params)
2161 /* First COS */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002162 if (!pfc_params->cos0_pauseable)
2163 reg_th_config = &config_val.non_pauseable_th;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002164 /*
2165 * The number of free blocks below which the pause signal to class 0
2166 * of MAC #n is asserted. n=0,1
2167 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002168 REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
2169 BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
2170 reg_th_config->pause_xoff);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002171 /*
2172 * The number of free blocks above which the pause signal to class 0
2173 * of MAC #n is de-asserted. n=0,1
2174 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002175 REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
2176 BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002177 /*
2178 * The number of free blocks below which the full signal to class 0
2179 * of MAC #n is asserted. n=0,1
2180 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002181 REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
2182 BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002183 /*
2184 * The number of free blocks above which the full signal to class 0
2185 * of MAC #n is de-asserted. n=0,1
2186 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002187 REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
2188 BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002189
2190 if (set_pfc && pfc_params) {
2191 /* Second COS */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002192 if (pfc_params->cos1_pauseable)
2193 reg_th_config = &config_val.pauseable_th;
2194 else
2195 reg_th_config = &config_val.non_pauseable_th;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002196 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002197 * The number of free blocks below which the pause signal to
2198 * class 1 of MAC #n is asserted. n=0,1
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002199 **/
2200 REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
2201 BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
2202 reg_th_config->pause_xoff);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002203 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002204 * The number of free blocks above which the pause signal to
2205 * class 1 of MAC #n is de-asserted. n=0,1
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002206 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002207 REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
2208 BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
2209 reg_th_config->pause_xon);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002210 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002211 * The number of free blocks below which the full signal to
2212 * class 1 of MAC #n is asserted. n=0,1
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002213 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002214 REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
2215 BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
2216 reg_th_config->full_xoff);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002217 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002218 * The number of free blocks above which the full signal to
2219 * class 1 of MAC #n is de-asserted. n=0,1
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002220 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002221 REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
2222 BRB1_REG_FULL_1_XON_THRESHOLD_0,
2223 reg_th_config->full_xon);
2224
2225
2226 if (CHIP_IS_E3B0(bp)) {
2227 /*Should be done by init tool */
2228 /*
2229 * BRB_empty_for_dup = BRB1_REG_BRB_EMPTY_THRESHOLD
2230 * reset value
2231 * 944
2232 */
2233
2234 /**
2235 * The hysteresis on the guarantied buffer space for the Lb port
2236 * before signaling XON.
2237 **/
2238 REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST, 80);
2239
2240 bnx2x_pfc_brb_get_e3b0_config_params(
2241 params,
2242 &e3b0_val,
2243 pfc_params->cos0_pauseable,
2244 pfc_params->cos1_pauseable);
2245 /**
2246 * The number of free blocks below which the full signal to the
2247 * LB port is asserted.
2248 */
2249 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
2250 e3b0_val.full_lb_xoff_th);
2251 /**
2252 * The number of free blocks above which the full signal to the
2253 * LB port is de-asserted.
2254 */
2255 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
2256 e3b0_val.full_lb_xon_threshold);
2257 /**
2258 * The number of blocks guarantied for the MAC #n port. n=0,1
2259 */
2260
2261 /*The number of blocks guarantied for the LB port.*/
2262 REG_WR(bp, BRB1_REG_LB_GUARANTIED,
2263 e3b0_val.lb_guarantied);
2264
2265 /**
2266 * The number of blocks guarantied for the MAC #n port.
2267 */
2268 REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
2269 2 * e3b0_val.mac_0_class_t_guarantied);
2270 REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
2271 2 * e3b0_val.mac_1_class_t_guarantied);
2272 /**
2273 * The number of blocks guarantied for class #t in MAC0. t=0,1
2274 */
2275 REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
2276 e3b0_val.mac_0_class_t_guarantied);
2277 REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
2278 e3b0_val.mac_0_class_t_guarantied);
2279 /**
2280 * The hysteresis on the guarantied buffer space for class in
2281 * MAC0. t=0,1
2282 */
2283 REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
2284 e3b0_val.mac_0_class_t_guarantied_hyst);
2285 REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
2286 e3b0_val.mac_0_class_t_guarantied_hyst);
2287
2288 /**
2289 * The number of blocks guarantied for class #t in MAC1.t=0,1
2290 */
2291 REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
2292 e3b0_val.mac_1_class_t_guarantied);
2293 REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
2294 e3b0_val.mac_1_class_t_guarantied);
2295 /**
2296 * The hysteresis on the guarantied buffer space for class #t
2297 * in MAC1. t=0,1
2298 */
2299 REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
2300 e3b0_val.mac_1_class_t_guarantied_hyst);
2301 REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
2302 e3b0_val.mac_1_class_t_guarantied_hyst);
2303
2304 }
2305
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002306 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002307
2308 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002309}
2310
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002311/******************************************************************************
2312* Description:
2313* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2314* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2315******************************************************************************/
2316int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
2317 u8 cos_entry,
2318 u32 priority_mask, u8 port)
2319{
2320 u32 nig_reg_rx_priority_mask_add = 0;
2321
2322 switch (cos_entry) {
2323 case 0:
2324 nig_reg_rx_priority_mask_add = (port) ?
2325 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2326 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2327 break;
2328 case 1:
2329 nig_reg_rx_priority_mask_add = (port) ?
2330 NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2331 NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2332 break;
2333 case 2:
2334 nig_reg_rx_priority_mask_add = (port) ?
2335 NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2336 NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2337 break;
2338 case 3:
2339 if (port)
2340 return -EINVAL;
2341 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2342 break;
2343 case 4:
2344 if (port)
2345 return -EINVAL;
2346 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2347 break;
2348 case 5:
2349 if (port)
2350 return -EINVAL;
2351 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2352 break;
2353 }
2354
2355 REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
2356
2357 return 0;
2358}
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00002359static void bnx2x_update_mng(struct link_params *params, u32 link_status)
2360{
2361 struct bnx2x *bp = params->bp;
2362
2363 REG_WR(bp, params->shmem_base +
2364 offsetof(struct shmem_region,
2365 port_mb[params->port].link_status), link_status);
2366}
2367
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002368static void bnx2x_update_pfc_nig(struct link_params *params,
2369 struct link_vars *vars,
2370 struct bnx2x_nig_brb_pfc_port_params *nig_params)
2371{
2372 u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
2373 u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
2374 u32 pkt_priority_to_cos = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002375 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002376 u8 port = params->port;
2377
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002378 int set_pfc = params->feature_config_flags &
2379 FEATURE_CONFIG_PFC_ENABLED;
2380 DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
2381
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002382 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002383 * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
2384 * MAC control frames (that are not pause packets)
2385 * will be forwarded to the XCM.
2386 */
2387 xcm_mask = REG_RD(bp,
2388 port ? NIG_REG_LLH1_XCM_MASK :
2389 NIG_REG_LLH0_XCM_MASK);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002390 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002391 * nig params will override non PFC params, since it's possible to
2392 * do transition from PFC to SAFC
2393 */
2394 if (set_pfc) {
2395 pause_enable = 0;
2396 llfc_out_en = 0;
2397 llfc_enable = 0;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002398 if (CHIP_IS_E3(bp))
2399 ppp_enable = 0;
2400 else
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002401 ppp_enable = 1;
2402 xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2403 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2404 xcm0_out_en = 0;
2405 p0_hwpfc_enable = 1;
2406 } else {
2407 if (nig_params) {
2408 llfc_out_en = nig_params->llfc_out_en;
2409 llfc_enable = nig_params->llfc_enable;
2410 pause_enable = nig_params->pause_enable;
2411 } else /*defaul non PFC mode - PAUSE */
2412 pause_enable = 1;
2413
2414 xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2415 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2416 xcm0_out_en = 1;
2417 }
2418
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002419 if (CHIP_IS_E3(bp))
2420 REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2421 NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002422 REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
2423 NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2424 REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
2425 NIG_REG_LLFC_ENABLE_0, llfc_enable);
2426 REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
2427 NIG_REG_PAUSE_ENABLE_0, pause_enable);
2428
2429 REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
2430 NIG_REG_PPP_ENABLE_0, ppp_enable);
2431
2432 REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
2433 NIG_REG_LLH0_XCM_MASK, xcm_mask);
2434
2435 REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
2436
2437 /* output enable for RX_XCM # IF */
2438 REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
2439
2440 /* HW PFC TX enable */
2441 REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
2442
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002443 if (nig_params) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002444 u8 i = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002445 pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
2446
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002447 for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
2448 bnx2x_pfc_nig_rx_priority_mask(bp, i,
2449 nig_params->rx_cos_priority_mask[i], port);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002450
2451 REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
2452 NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
2453 nig_params->llfc_high_priority_classes);
2454
2455 REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
2456 NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
2457 nig_params->llfc_low_priority_classes);
2458 }
2459 REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
2460 NIG_REG_P0_PKT_PRIORITY_TO_COS,
2461 pkt_priority_to_cos);
2462}
2463
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002464int bnx2x_update_pfc(struct link_params *params,
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002465 struct link_vars *vars,
2466 struct bnx2x_nig_brb_pfc_port_params *pfc_params)
2467{
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002468 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002469 * The PFC and pause are orthogonal to one another, meaning when
2470 * PFC is enabled, the pause are disabled, and when PFC is
2471 * disabled, pause are set according to the pause result.
2472 */
2473 u32 val;
2474 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002475 int bnx2x_status = 0;
2476 u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00002477
2478 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2479 vars->link_status |= LINK_STATUS_PFC_ENABLED;
2480 else
2481 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
2482
2483 bnx2x_update_mng(params, vars->link_status);
2484
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002485 /* update NIG params */
2486 bnx2x_update_pfc_nig(params, vars, pfc_params);
2487
2488 /* update BRB params */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002489 bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
2490 if (0 != bnx2x_status)
2491 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002492
2493 if (!vars->link_up)
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002494 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002495
2496 DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002497 if (CHIP_IS_E3(bp))
2498 bnx2x_update_pfc_xmac(params, vars, 0);
2499 else {
2500 val = REG_RD(bp, MISC_REG_RESET_REG_2);
2501 if ((val &
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00002502 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002503 == 0) {
2504 DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
2505 bnx2x_emac_enable(params, vars, 0);
2506 return bnx2x_status;
2507 }
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002508
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002509 if (CHIP_IS_E2(bp))
2510 bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
2511 else
2512 bnx2x_update_pfc_bmac1(params, vars);
2513
2514 val = 0;
2515 if ((params->feature_config_flags &
2516 FEATURE_CONFIG_PFC_ENABLED) ||
2517 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2518 val = 1;
2519 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2520 }
2521 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002522}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002523
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002524
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002525static int bnx2x_bmac1_enable(struct link_params *params,
2526 struct link_vars *vars,
2527 u8 is_lb)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002528{
2529 struct bnx2x *bp = params->bp;
2530 u8 port = params->port;
2531 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2532 NIG_REG_INGRESS_BMAC0_MEM;
2533 u32 wb_data[2];
2534 u32 val;
2535
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002536 DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002537
2538 /* XGXS control */
2539 wb_data[0] = 0x3c;
2540 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002541 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2542 wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002543
2544 /* tx MAC SA */
2545 wb_data[0] = ((params->mac_addr[2] << 24) |
2546 (params->mac_addr[3] << 16) |
2547 (params->mac_addr[4] << 8) |
2548 params->mac_addr[5]);
2549 wb_data[1] = ((params->mac_addr[0] << 8) |
2550 params->mac_addr[1]);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002551 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002552
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002553 /* mac control */
2554 val = 0x3;
2555 if (is_lb) {
2556 val |= 0x4;
2557 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2558 }
2559 wb_data[0] = val;
2560 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002561 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002562
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002563 /* set rx mtu */
2564 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2565 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002566 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002567
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002568 bnx2x_update_pfc_bmac1(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002569
2570 /* set tx mtu */
2571 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2572 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002573 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002574
2575 /* set cnt max size */
2576 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2577 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002578 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002579
2580 /* configure safc */
2581 wb_data[0] = 0x1000200;
2582 wb_data[1] = 0;
2583 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2584 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002585
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002586 if (vars->phy_flags & PHY_TX_ERROR_CHECK_FLAG) {
2587 REG_RD_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LSS_STATUS,
2588 wb_data, 2);
2589 if (wb_data[0] > 0)
2590 return -ESRCH;
2591 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002592 return 0;
2593}
2594
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002595static int bnx2x_bmac2_enable(struct link_params *params,
2596 struct link_vars *vars,
2597 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002598{
2599 struct bnx2x *bp = params->bp;
2600 u8 port = params->port;
2601 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2602 NIG_REG_INGRESS_BMAC0_MEM;
2603 u32 wb_data[2];
2604
2605 DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
2606
2607 wb_data[0] = 0;
2608 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002609 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002610 udelay(30);
2611
2612 /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2613 wb_data[0] = 0x3c;
2614 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002615 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2616 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002617
2618 udelay(30);
2619
2620 /* tx MAC SA */
2621 wb_data[0] = ((params->mac_addr[2] << 24) |
2622 (params->mac_addr[3] << 16) |
2623 (params->mac_addr[4] << 8) |
2624 params->mac_addr[5]);
2625 wb_data[1] = ((params->mac_addr[0] << 8) |
2626 params->mac_addr[1]);
2627 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002628 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002629
2630 udelay(30);
2631
2632 /* Configure SAFC */
2633 wb_data[0] = 0x1000200;
2634 wb_data[1] = 0;
2635 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002636 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002637 udelay(30);
2638
2639 /* set rx mtu */
2640 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2641 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002642 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002643 udelay(30);
2644
2645 /* set tx mtu */
2646 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2647 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002648 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002649 udelay(30);
2650 /* set cnt max size */
2651 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
2652 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002653 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002654 udelay(30);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002655 bnx2x_update_pfc_bmac2(params, vars, is_lb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002656
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002657 if (vars->phy_flags & PHY_TX_ERROR_CHECK_FLAG) {
2658 REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LSS_STAT,
2659 wb_data, 2);
2660 if (wb_data[0] > 0) {
2661 DP(NETIF_MSG_LINK, "Got bad LSS status 0x%x\n",
2662 wb_data[0]);
2663 return -ESRCH;
2664 }
2665 }
2666
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002667 return 0;
2668}
2669
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002670static int bnx2x_bmac_enable(struct link_params *params,
2671 struct link_vars *vars,
2672 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002673{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002674 int rc = 0;
2675 u8 port = params->port;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002676 struct bnx2x *bp = params->bp;
2677 u32 val;
2678 /* reset and unreset the BigMac */
2679 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002680 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Yaniv Rosner1d9c05d2010-11-01 05:32:25 +00002681 msleep(1);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002682
2683 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002684 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002685
2686 /* enable access for bmac registers */
2687 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2688
2689 /* Enable BMAC according to BMAC type*/
2690 if (CHIP_IS_E2(bp))
2691 rc = bnx2x_bmac2_enable(params, vars, is_lb);
2692 else
2693 rc = bnx2x_bmac1_enable(params, vars, is_lb);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002694 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2695 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2696 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2697 val = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00002698 if ((params->feature_config_flags &
2699 FEATURE_CONFIG_PFC_ENABLED) ||
2700 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002701 val = 1;
2702 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2703 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2704 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2705 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2706 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2707 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2708
2709 vars->mac_type = MAC_TYPE_BMAC;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002710 return rc;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002711}
2712
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002713static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
2714{
2715 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002716 NIG_REG_INGRESS_BMAC0_MEM;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002717 u32 wb_data[2];
Eilon Greenstein3196a882008-08-13 15:58:49 -07002718 u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002719
2720 /* Only if the bmac is out of reset */
2721 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
2722 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2723 nig_bmac_enable) {
2724
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002725 if (CHIP_IS_E2(bp)) {
2726 /* Clear Rx Enable bit in BMAC_CONTROL register */
2727 REG_RD_DMAE(bp, bmac_addr +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002728 BIGMAC2_REGISTER_BMAC_CONTROL,
2729 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002730 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2731 REG_WR_DMAE(bp, bmac_addr +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002732 BIGMAC2_REGISTER_BMAC_CONTROL,
2733 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002734 } else {
2735 /* Clear Rx Enable bit in BMAC_CONTROL register */
2736 REG_RD_DMAE(bp, bmac_addr +
2737 BIGMAC_REGISTER_BMAC_CONTROL,
2738 wb_data, 2);
2739 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2740 REG_WR_DMAE(bp, bmac_addr +
2741 BIGMAC_REGISTER_BMAC_CONTROL,
2742 wb_data, 2);
2743 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002744 msleep(1);
2745 }
2746}
2747
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002748static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
2749 u32 line_speed)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002750{
2751 struct bnx2x *bp = params->bp;
2752 u8 port = params->port;
2753 u32 init_crd, crd;
2754 u32 count = 1000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002755
2756 /* disable port */
2757 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2758
2759 /* wait for init credit */
2760 init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
2761 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2762 DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
2763
2764 while ((init_crd != crd) && count) {
2765 msleep(5);
2766
2767 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2768 count--;
2769 }
2770 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2771 if (init_crd != crd) {
2772 DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
2773 init_crd, crd);
2774 return -EINVAL;
2775 }
2776
David S. Millerc0700f92008-12-16 23:53:20 -08002777 if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002778 line_speed == SPEED_10 ||
2779 line_speed == SPEED_100 ||
2780 line_speed == SPEED_1000 ||
2781 line_speed == SPEED_2500) {
2782 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002783 /* update threshold */
2784 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
2785 /* update init credit */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002786 init_crd = 778; /* (800-18-4) */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002787
2788 } else {
2789 u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
2790 ETH_OVREHEAD)/16;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002791 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002792 /* update threshold */
2793 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
2794 /* update init credit */
2795 switch (line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002796 case SPEED_10000:
2797 init_crd = thresh + 553 - 22;
2798 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002799 default:
2800 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2801 line_speed);
2802 return -EINVAL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002803 }
2804 }
2805 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2806 DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
2807 line_speed, init_crd);
2808
2809 /* probe the credit changes */
2810 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
2811 msleep(5);
2812 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
2813
2814 /* enable port */
2815 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2816 return 0;
2817}
2818
Dmitry Kravkove8920672011-05-04 23:52:40 +00002819/**
2820 * bnx2x_get_emac_base - retrive emac base address
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002821 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00002822 * @bp: driver handle
2823 * @mdc_mdio_access: access type
2824 * @port: port id
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002825 *
2826 * This function selects the MDC/MDIO access (through emac0 or
2827 * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2828 * phy has a default access mode, which could also be overridden
2829 * by nvram configuration. This parameter, whether this is the
2830 * default phy configuration, or the nvram overrun
2831 * configuration, is passed here as mdc_mdio_access and selects
2832 * the emac_base for the CL45 read/writes operations
2833 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002834static u32 bnx2x_get_emac_base(struct bnx2x *bp,
2835 u32 mdc_mdio_access, u8 port)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002836{
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002837 u32 emac_base = 0;
2838 switch (mdc_mdio_access) {
2839 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
2840 break;
2841 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
2842 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2843 emac_base = GRCBASE_EMAC1;
2844 else
2845 emac_base = GRCBASE_EMAC0;
2846 break;
2847 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
Eilon Greenstein589abe32009-02-12 08:36:55 +00002848 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2849 emac_base = GRCBASE_EMAC0;
2850 else
2851 emac_base = GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002852 break;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002853 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
2854 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2855 break;
2856 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
Eilon Greenstein6378c022008-08-13 15:59:25 -07002857 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002858 break;
2859 default:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002860 break;
2861 }
2862 return emac_base;
2863
2864}
2865
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002866/******************************************************************/
Yaniv Rosner6583e332011-06-14 01:34:17 +00002867/* CL22 access functions */
2868/******************************************************************/
2869static int bnx2x_cl22_write(struct bnx2x *bp,
2870 struct bnx2x_phy *phy,
2871 u16 reg, u16 val)
2872{
2873 u32 tmp, mode;
2874 u8 i;
2875 int rc = 0;
2876 /* Switch to CL22 */
2877 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2878 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2879 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2880
2881 /* address */
2882 tmp = ((phy->addr << 21) | (reg << 16) | val |
2883 EMAC_MDIO_COMM_COMMAND_WRITE_22 |
2884 EMAC_MDIO_COMM_START_BUSY);
2885 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2886
2887 for (i = 0; i < 50; i++) {
2888 udelay(10);
2889
2890 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2891 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2892 udelay(5);
2893 break;
2894 }
2895 }
2896 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2897 DP(NETIF_MSG_LINK, "write phy register failed\n");
2898 rc = -EFAULT;
2899 }
2900 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2901 return rc;
2902}
2903
2904static int bnx2x_cl22_read(struct bnx2x *bp,
2905 struct bnx2x_phy *phy,
2906 u16 reg, u16 *ret_val)
2907{
2908 u32 val, mode;
2909 u16 i;
2910 int rc = 0;
2911
2912 /* Switch to CL22 */
2913 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2914 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2915 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2916
2917 /* address */
2918 val = ((phy->addr << 21) | (reg << 16) |
2919 EMAC_MDIO_COMM_COMMAND_READ_22 |
2920 EMAC_MDIO_COMM_START_BUSY);
2921 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2922
2923 for (i = 0; i < 50; i++) {
2924 udelay(10);
2925
2926 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2927 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2928 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2929 udelay(5);
2930 break;
2931 }
2932 }
2933 if (val & EMAC_MDIO_COMM_START_BUSY) {
2934 DP(NETIF_MSG_LINK, "read phy register failed\n");
2935
2936 *ret_val = 0;
2937 rc = -EFAULT;
2938 }
2939 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2940 return rc;
2941}
2942
2943/******************************************************************/
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002944/* CL45 access functions */
2945/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002946static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
2947 u8 devad, u16 reg, u16 *ret_val)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002948{
Yaniv Rosnera198c142011-05-31 21:29:42 +00002949 u32 val;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002950 u16 i;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002951 int rc = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002952
2953 /* address */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002954 val = ((phy->addr << 21) | (devad << 16) | reg |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002955 EMAC_MDIO_COMM_COMMAND_ADDRESS |
2956 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002957 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002958
2959 for (i = 0; i < 50; i++) {
2960 udelay(10);
2961
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002962 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002963 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2964 udelay(5);
2965 break;
2966 }
2967 }
2968 if (val & EMAC_MDIO_COMM_START_BUSY) {
2969 DP(NETIF_MSG_LINK, "read phy register failed\n");
Yaniv Rosner6d870c32011-01-31 04:22:20 +00002970 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002971 *ret_val = 0;
2972 rc = -EFAULT;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002973 } else {
2974 /* data */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002975 val = ((phy->addr << 21) | (devad << 16) |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002976 EMAC_MDIO_COMM_COMMAND_READ_45 |
2977 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002978 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002979
2980 for (i = 0; i < 50; i++) {
2981 udelay(10);
2982
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002983 val = REG_RD(bp, phy->mdio_ctrl +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002984 EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002985 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2986 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2987 break;
2988 }
2989 }
2990 if (val & EMAC_MDIO_COMM_START_BUSY) {
2991 DP(NETIF_MSG_LINK, "read phy register failed\n");
Yaniv Rosner6d870c32011-01-31 04:22:20 +00002992 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002993 *ret_val = 0;
2994 rc = -EFAULT;
2995 }
2996 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00002997 /* Work around for E3 A0 */
2998 if (phy->flags & FLAGS_MDC_MDIO_WA) {
2999 phy->flags ^= FLAGS_DUMMY_READ;
3000 if (phy->flags & FLAGS_DUMMY_READ) {
3001 u16 temp_val;
3002 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
3003 }
3004 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003005
Yaniv Rosnera198c142011-05-31 21:29:42 +00003006 return rc;
3007}
3008
3009static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3010 u8 devad, u16 reg, u16 val)
3011{
3012 u32 tmp;
3013 u8 i;
3014 int rc = 0;
3015
3016 /* address */
3017
3018 tmp = ((phy->addr << 21) | (devad << 16) | reg |
3019 EMAC_MDIO_COMM_COMMAND_ADDRESS |
3020 EMAC_MDIO_COMM_START_BUSY);
3021 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3022
3023 for (i = 0; i < 50; i++) {
3024 udelay(10);
3025
3026 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3027 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3028 udelay(5);
3029 break;
3030 }
3031 }
3032 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3033 DP(NETIF_MSG_LINK, "write phy register failed\n");
3034 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
3035 rc = -EFAULT;
3036
3037 } else {
3038 /* data */
3039 tmp = ((phy->addr << 21) | (devad << 16) | val |
3040 EMAC_MDIO_COMM_COMMAND_WRITE_45 |
3041 EMAC_MDIO_COMM_START_BUSY);
3042 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3043
3044 for (i = 0; i < 50; i++) {
3045 udelay(10);
3046
3047 tmp = REG_RD(bp, phy->mdio_ctrl +
3048 EMAC_REG_EMAC_MDIO_COMM);
3049 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3050 udelay(5);
3051 break;
3052 }
3053 }
3054 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3055 DP(NETIF_MSG_LINK, "write phy register failed\n");
3056 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
3057 rc = -EFAULT;
3058 }
3059 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003060 /* Work around for E3 A0 */
3061 if (phy->flags & FLAGS_MDC_MDIO_WA) {
3062 phy->flags ^= FLAGS_DUMMY_READ;
3063 if (phy->flags & FLAGS_DUMMY_READ) {
3064 u16 temp_val;
3065 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
3066 }
3067 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003068
3069 return rc;
3070}
3071
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003072
3073/******************************************************************/
3074/* BSC access functions from E3 */
3075/******************************************************************/
3076static void bnx2x_bsc_module_sel(struct link_params *params)
3077{
3078 int idx;
3079 u32 board_cfg, sfp_ctrl;
3080 u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3081 struct bnx2x *bp = params->bp;
3082 u8 port = params->port;
3083 /* Read I2C output PINs */
3084 board_cfg = REG_RD(bp, params->shmem_base +
3085 offsetof(struct shmem_region,
3086 dev_info.shared_hw_config.board));
3087 i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3088 i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3089 SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3090
3091 /* Read I2C output value */
3092 sfp_ctrl = REG_RD(bp, params->shmem_base +
3093 offsetof(struct shmem_region,
3094 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3095 i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3096 i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3097 DP(NETIF_MSG_LINK, "Setting BSC switch\n");
3098 for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3099 bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
3100}
3101
3102static int bnx2x_bsc_read(struct link_params *params,
3103 struct bnx2x_phy *phy,
3104 u8 sl_devid,
3105 u16 sl_addr,
3106 u8 lc_addr,
3107 u8 xfer_cnt,
3108 u32 *data_array)
3109{
3110 u32 val, i;
3111 int rc = 0;
3112 struct bnx2x *bp = params->bp;
3113
3114 if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
3115 DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
3116 return -EINVAL;
3117 }
3118
3119 if (xfer_cnt > 16) {
3120 DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
3121 xfer_cnt);
3122 return -EINVAL;
3123 }
3124 bnx2x_bsc_module_sel(params);
3125
3126 xfer_cnt = 16 - lc_addr;
3127
3128 /* enable the engine */
3129 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3130 val |= MCPR_IMC_COMMAND_ENABLE;
3131 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3132
3133 /* program slave device ID */
3134 val = (sl_devid << 16) | sl_addr;
3135 REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3136
3137 /* start xfer with 0 byte to update the address pointer ???*/
3138 val = (MCPR_IMC_COMMAND_ENABLE) |
3139 (MCPR_IMC_COMMAND_WRITE_OP <<
3140 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3141 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3142 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3143
3144 /* poll for completion */
3145 i = 0;
3146 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3147 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3148 udelay(10);
3149 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3150 if (i++ > 1000) {
3151 DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
3152 i);
3153 rc = -EFAULT;
3154 break;
3155 }
3156 }
3157 if (rc == -EFAULT)
3158 return rc;
3159
3160 /* start xfer with read op */
3161 val = (MCPR_IMC_COMMAND_ENABLE) |
3162 (MCPR_IMC_COMMAND_READ_OP <<
3163 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3164 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3165 (xfer_cnt);
3166 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3167
3168 /* poll for completion */
3169 i = 0;
3170 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3171 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3172 udelay(10);
3173 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3174 if (i++ > 1000) {
3175 DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
3176 rc = -EFAULT;
3177 break;
3178 }
3179 }
3180 if (rc == -EFAULT)
3181 return rc;
3182
3183 for (i = (lc_addr >> 2); i < 4; i++) {
3184 data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3185#ifdef __BIG_ENDIAN
3186 data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3187 ((data_array[i] & 0x0000ff00) << 8) |
3188 ((data_array[i] & 0x00ff0000) >> 8) |
3189 ((data_array[i] & 0xff000000) >> 24);
3190#endif
3191 }
3192 return rc;
3193}
3194
3195static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3196 u8 devad, u16 reg, u16 or_val)
3197{
3198 u16 val;
3199 bnx2x_cl45_read(bp, phy, devad, reg, &val);
3200 bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
3201}
3202
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003203int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
3204 u8 devad, u16 reg, u16 *ret_val)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003205{
3206 u8 phy_index;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003207 /*
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003208 * Probe for the phy according to the given phy_addr, and execute
3209 * the read request on it
3210 */
3211 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3212 if (params->phy[phy_index].addr == phy_addr) {
3213 return bnx2x_cl45_read(params->bp,
3214 &params->phy[phy_index], devad,
3215 reg, ret_val);
3216 }
3217 }
3218 return -EINVAL;
3219}
3220
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003221int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
3222 u8 devad, u16 reg, u16 val)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003223{
3224 u8 phy_index;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003225 /*
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003226 * Probe for the phy according to the given phy_addr, and execute
3227 * the write request on it
3228 */
3229 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3230 if (params->phy[phy_index].addr == phy_addr) {
3231 return bnx2x_cl45_write(params->bp,
3232 &params->phy[phy_index], devad,
3233 reg, val);
3234 }
3235 }
3236 return -EINVAL;
3237}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003238static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
3239 struct link_params *params)
3240{
3241 u8 lane = 0;
3242 struct bnx2x *bp = params->bp;
3243 u32 path_swap, path_swap_ovr;
3244 u8 path, port;
3245
3246 path = BP_PATH(bp);
3247 port = params->port;
3248
3249 if (bnx2x_is_4_port_mode(bp)) {
3250 u32 port_swap, port_swap_ovr;
3251
3252 /*figure out path swap value */
3253 path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
3254 if (path_swap_ovr & 0x1)
3255 path_swap = (path_swap_ovr & 0x2);
3256 else
3257 path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
3258
3259 if (path_swap)
3260 path = path ^ 1;
3261
3262 /*figure out port swap value */
3263 port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
3264 if (port_swap_ovr & 0x1)
3265 port_swap = (port_swap_ovr & 0x2);
3266 else
3267 port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
3268
3269 if (port_swap)
3270 port = port ^ 1;
3271
3272 lane = (port<<1) + path;
3273 } else { /* two port mode - no port swap */
3274
3275 /*figure out path swap value */
3276 path_swap_ovr =
3277 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3278 if (path_swap_ovr & 0x1) {
3279 path_swap = (path_swap_ovr & 0x2);
3280 } else {
3281 path_swap =
3282 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
3283 }
3284 if (path_swap)
3285 path = path ^ 1;
3286
3287 lane = path << 1 ;
3288 }
3289 return lane;
3290}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003291
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003292static void bnx2x_set_aer_mmd(struct link_params *params,
3293 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003294{
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003295 u32 ser_lane;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003296 u16 offset, aer_val;
3297 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003298 ser_lane = ((params->lane_config &
3299 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3300 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3301
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003302 offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3303 (phy->addr + ser_lane) : 0;
3304
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003305 if (USES_WARPCORE(bp)) {
3306 aer_val = bnx2x_get_warpcore_lane(phy, params);
3307 /*
3308 * In Dual-lane mode, two lanes are joined together,
3309 * so in order to configure them, the AER broadcast method is
3310 * used here.
3311 * 0x200 is the broadcast address for lanes 0,1
3312 * 0x201 is the broadcast address for lanes 2,3
3313 */
3314 if (phy->flags & FLAGS_WC_DUAL_MODE)
3315 aer_val = (aer_val >> 1) | 0x200;
3316 } else if (CHIP_IS_E2(bp))
Yaniv Rosner82a0d472011-01-18 04:33:52 +00003317 aer_val = 0x3800 + offset - 1;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003318 else
3319 aer_val = 0x3800 + offset;
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003320 DP(NETIF_MSG_LINK, "Set AER to 0x%x\n", aer_val);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003321 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003322 MDIO_AER_BLOCK_AER_REG, aer_val);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003323
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003324}
3325
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003326/******************************************************************/
3327/* Internal phy section */
3328/******************************************************************/
3329
3330static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
3331{
3332 u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3333
3334 /* Set Clause 22 */
3335 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
3336 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
3337 udelay(500);
3338 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3339 udelay(500);
3340 /* Set Clause 45 */
3341 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
3342}
3343
3344static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
3345{
3346 u32 val;
3347
3348 DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
3349
3350 val = SERDES_RESET_BITS << (port*16);
3351
3352 /* reset and unreset the SerDes/XGXS */
3353 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3354 udelay(500);
3355 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3356
3357 bnx2x_set_serdes_access(bp, port);
3358
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003359 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3360 DEFAULT_PHY_DEV_ADDR);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003361}
3362
3363static void bnx2x_xgxs_deassert(struct link_params *params)
3364{
3365 struct bnx2x *bp = params->bp;
3366 u8 port;
3367 u32 val;
3368 DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
3369 port = params->port;
3370
3371 val = XGXS_RESET_BITS << (port*16);
3372
3373 /* reset and unreset the SerDes/XGXS */
3374 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3375 udelay(500);
3376 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3377
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003378 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003379 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003380 params->phy[INT_PHY].def_md_devad);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003381}
3382
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003383static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
3384 struct link_params *params, u16 *ieee_fc)
3385{
3386 struct bnx2x *bp = params->bp;
3387 *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
3388 /**
3389 * resolve pause mode and advertisement Please refer to Table
3390 * 28B-3 of the 802.3ab-1999 spec
3391 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003392
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003393 switch (phy->req_flow_ctrl) {
3394 case BNX2X_FLOW_CTRL_AUTO:
3395 if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
3396 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3397 else
3398 *ieee_fc |=
3399 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3400 break;
3401
3402 case BNX2X_FLOW_CTRL_TX:
3403 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3404 break;
3405
3406 case BNX2X_FLOW_CTRL_RX:
3407 case BNX2X_FLOW_CTRL_BOTH:
3408 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3409 break;
3410
3411 case BNX2X_FLOW_CTRL_NONE:
3412 default:
3413 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3414 break;
3415 }
3416 DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
3417}
3418
3419static void set_phy_vars(struct link_params *params,
3420 struct link_vars *vars)
3421{
3422 struct bnx2x *bp = params->bp;
3423 u8 actual_phy_idx, phy_index, link_cfg_idx;
3424 u8 phy_config_swapped = params->multi_phy_config &
3425 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
3426 for (phy_index = INT_PHY; phy_index < params->num_phys;
3427 phy_index++) {
3428 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
3429 actual_phy_idx = phy_index;
3430 if (phy_config_swapped) {
3431 if (phy_index == EXT_PHY1)
3432 actual_phy_idx = EXT_PHY2;
3433 else if (phy_index == EXT_PHY2)
3434 actual_phy_idx = EXT_PHY1;
3435 }
3436 params->phy[actual_phy_idx].req_flow_ctrl =
3437 params->req_flow_ctrl[link_cfg_idx];
3438
3439 params->phy[actual_phy_idx].req_line_speed =
3440 params->req_line_speed[link_cfg_idx];
3441
3442 params->phy[actual_phy_idx].speed_cap_mask =
3443 params->speed_cap_mask[link_cfg_idx];
3444
3445 params->phy[actual_phy_idx].req_duplex =
3446 params->req_duplex[link_cfg_idx];
3447
3448 if (params->req_line_speed[link_cfg_idx] ==
3449 SPEED_AUTO_NEG)
3450 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3451
3452 DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
3453 " speed_cap_mask %x\n",
3454 params->phy[actual_phy_idx].req_flow_ctrl,
3455 params->phy[actual_phy_idx].req_line_speed,
3456 params->phy[actual_phy_idx].speed_cap_mask);
3457 }
3458}
3459
3460static void bnx2x_ext_phy_set_pause(struct link_params *params,
3461 struct bnx2x_phy *phy,
3462 struct link_vars *vars)
3463{
3464 u16 val;
3465 struct bnx2x *bp = params->bp;
3466 /* read modify write pause advertizing */
3467 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3468
3469 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3470
3471 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3472 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3473 if ((vars->ieee_fc &
3474 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3475 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3476 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3477 }
3478 if ((vars->ieee_fc &
3479 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3480 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3481 val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3482 }
3483 DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3484 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3485}
3486
3487static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
3488{ /* LD LP */
3489 switch (pause_result) { /* ASYM P ASYM P */
3490 case 0xb: /* 1 0 1 1 */
3491 vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
3492 break;
3493
3494 case 0xe: /* 1 1 1 0 */
3495 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3496 break;
3497
3498 case 0x5: /* 0 1 0 1 */
3499 case 0x7: /* 0 1 1 1 */
3500 case 0xd: /* 1 1 0 1 */
3501 case 0xf: /* 1 1 1 1 */
3502 vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
3503 break;
3504
3505 default:
3506 break;
3507 }
3508 if (pause_result & (1<<0))
3509 vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3510 if (pause_result & (1<<1))
3511 vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
3512}
3513
3514static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3515 struct link_params *params,
3516 struct link_vars *vars)
3517{
3518 struct bnx2x *bp = params->bp;
3519 u16 ld_pause; /* local */
3520 u16 lp_pause; /* link partner */
3521 u16 pause_result;
3522 u8 ret = 0;
3523 /* read twice */
3524
3525 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3526
3527 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
3528 vars->flow_ctrl = phy->req_flow_ctrl;
3529 else if (phy->req_line_speed != SPEED_AUTO_NEG)
3530 vars->flow_ctrl = params->req_fc_auto_adv;
3531 else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3532 ret = 1;
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +00003533 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
Yaniv Rosner6583e332011-06-14 01:34:17 +00003534 bnx2x_cl22_read(bp, phy,
3535 0x4, &ld_pause);
3536 bnx2x_cl22_read(bp, phy,
3537 0x5, &lp_pause);
3538 } else {
3539 bnx2x_cl45_read(bp, phy,
3540 MDIO_AN_DEVAD,
3541 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3542 bnx2x_cl45_read(bp, phy,
3543 MDIO_AN_DEVAD,
3544 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3545 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003546 pause_result = (ld_pause &
3547 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3548 pause_result |= (lp_pause &
3549 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3550 DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
3551 pause_result);
3552 bnx2x_pause_resolve(vars, pause_result);
3553 }
3554 return ret;
3555}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003556/******************************************************************/
3557/* Warpcore section */
3558/******************************************************************/
3559/* The init_internal_warpcore should mirror the xgxs,
3560 * i.e. reset the lane (if needed), set aer for the
3561 * init configuration, and set/clear SGMII flag. Internal
3562 * phy init is done purely in phy_init stage.
3563 */
3564static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
3565 struct link_params *params,
3566 struct link_vars *vars) {
Yaniv Rosnera34bc962011-07-05 01:06:41 +00003567 u16 val16 = 0, lane, bam37 = 0;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003568 struct bnx2x *bp = params->bp;
3569 DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
3570 /* Check adding advertisement for 1G KX */
3571 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3572 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3573 (vars->line_speed == SPEED_1000)) {
3574 u16 sd_digital;
3575 val16 |= (1<<5);
3576
3577 /* Enable CL37 1G Parallel Detect */
3578 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3579 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
3580 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3581 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3582 (sd_digital | 0x1));
3583
3584 DP(NETIF_MSG_LINK, "Advertize 1G\n");
3585 }
3586 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3587 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
3588 (vars->line_speed == SPEED_10000)) {
3589 /* Check adding advertisement for 10G KR */
3590 val16 |= (1<<7);
3591 /* Enable 10G Parallel Detect */
3592 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3593 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
3594
3595 DP(NETIF_MSG_LINK, "Advertize 10G\n");
3596 }
3597
3598 /* Set Transmit PMD settings */
3599 lane = bnx2x_get_warpcore_lane(phy, params);
3600 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3601 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3602 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3603 (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3604 (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
3605 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3606 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
3607 0x03f0);
3608 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3609 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
3610 0x03f0);
3611 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3612 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3613 0x383f);
3614
3615 /* Advertised speeds */
3616 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3617 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
3618
Yaniv Rosnera34bc962011-07-05 01:06:41 +00003619 /* Enable CL37 BAM */
3620 if (REG_RD(bp, params->shmem_base +
3621 offsetof(struct shmem_region, dev_info.
3622 port_hw_config[params->port].default_cfg)) &
3623 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
3624 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3625 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
3626 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3627 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
3628 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
3629 }
3630
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00003631 /* Advertise pause */
3632 bnx2x_ext_phy_set_pause(params, phy, vars);
3633
3634 /* Enable Autoneg */
3635 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3636 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1000);
3637
3638 /* Over 1G - AN local device user page 1 */
3639 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3640 MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
3641
3642 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3643 MDIO_WC_REG_DIGITAL5_MISC7, &val16);
3644
3645 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3646 MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
3647}
3648
3649static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
3650 struct link_params *params,
3651 struct link_vars *vars)
3652{
3653 struct bnx2x *bp = params->bp;
3654 u16 val;
3655
3656 /* Disable Autoneg */
3657 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3658 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
3659
3660 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3661 MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
3662
3663 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3664 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
3665
3666 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3667 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
3668
3669 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3670 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3671
3672 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3673 MDIO_WC_REG_DIGITAL3_UP1, 0x1);
3674
3675 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3676 MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
3677
3678 /* Disable CL36 PCS Tx */
3679 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3680 MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
3681
3682 /* Double Wide Single Data Rate @ pll rate */
3683 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3684 MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
3685
3686 /* Leave cl72 training enable, needed for KR */
3687 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3688 MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
3689 0x2);
3690
3691 /* Leave CL72 enabled */
3692 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3693 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3694 &val);
3695 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3696 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3697 val | 0x3800);
3698
3699 /* Set speed via PMA/PMD register */
3700 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3701 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
3702
3703 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3704 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
3705
3706 /*Enable encoded forced speed */
3707 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3708 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
3709
3710 /* Turn TX scramble payload only the 64/66 scrambler */
3711 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3712 MDIO_WC_REG_TX66_CONTROL, 0x9);
3713
3714 /* Turn RX scramble payload only the 64/66 scrambler */
3715 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3716 MDIO_WC_REG_RX66_CONTROL, 0xF9);
3717
3718 /* set and clear loopback to cause a reset to 64/66 decoder */
3719 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3720 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
3721 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3722 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3723
3724}
3725
3726static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
3727 struct link_params *params,
3728 u8 is_xfi)
3729{
3730 struct bnx2x *bp = params->bp;
3731 u16 misc1_val, tap_val, tx_driver_val, lane, val;
3732 /* Hold rxSeqStart */
3733 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3734 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
3735 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3736 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
3737
3738 /* Hold tx_fifo_reset */
3739 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3740 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
3741 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3742 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
3743
3744 /* Disable CL73 AN */
3745 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
3746
3747 /* Disable 100FX Enable and Auto-Detect */
3748 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3749 MDIO_WC_REG_FX100_CTRL1, &val);
3750 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3751 MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
3752
3753 /* Disable 100FX Idle detect */
3754 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3755 MDIO_WC_REG_FX100_CTRL3, &val);
3756 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3757 MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
3758
3759 /* Set Block address to Remote PHY & Clear forced_speed[5] */
3760 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3761 MDIO_WC_REG_DIGITAL4_MISC3, &val);
3762 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3763 MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
3764
3765 /* Turn off auto-detect & fiber mode */
3766 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3767 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
3768 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3769 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3770 (val & 0xFFEE));
3771
3772 /* Set filter_force_link, disable_false_link and parallel_detect */
3773 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3774 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
3775 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3776 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3777 ((val | 0x0006) & 0xFFFE));
3778
3779 /* Set XFI / SFI */
3780 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3781 MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
3782
3783 misc1_val &= ~(0x1f);
3784
3785 if (is_xfi) {
3786 misc1_val |= 0x5;
3787 tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3788 (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3789 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
3790 tx_driver_val =
3791 ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3792 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3793 (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
3794
3795 } else {
3796 misc1_val |= 0x9;
3797 tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3798 (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3799 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
3800 tx_driver_val =
3801 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3802 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3803 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
3804 }
3805 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3806 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
3807
3808 /* Set Transmit PMD settings */
3809 lane = bnx2x_get_warpcore_lane(phy, params);
3810 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3811 MDIO_WC_REG_TX_FIR_TAP,
3812 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
3813 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3814 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3815 tx_driver_val);
3816
3817 /* Enable fiber mode, enable and invert sig_det */
3818 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3819 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
3820 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3821 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
3822
3823 /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
3824 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3825 MDIO_WC_REG_DIGITAL4_MISC3, &val);
3826 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3827 MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
3828
3829 /* 10G XFI Full Duplex */
3830 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3831 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
3832
3833 /* Release tx_fifo_reset */
3834 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3835 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
3836 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3837 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
3838
3839 /* Release rxSeqStart */
3840 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3841 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
3842 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3843 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
3844}
3845
3846static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
3847 struct bnx2x_phy *phy)
3848{
3849 DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
3850}
3851
3852static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
3853 struct bnx2x_phy *phy,
3854 u16 lane)
3855{
3856 /* Rx0 anaRxControl1G */
3857 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3858 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
3859
3860 /* Rx2 anaRxControl1G */
3861 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3862 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
3863
3864 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3865 MDIO_WC_REG_RX66_SCW0, 0xE070);
3866
3867 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3868 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
3869
3870 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3871 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
3872
3873 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3874 MDIO_WC_REG_RX66_SCW3, 0x8090);
3875
3876 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3877 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
3878
3879 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3880 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
3881
3882 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3883 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
3884
3885 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3886 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
3887
3888 /* Serdes Digital Misc1 */
3889 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3890 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
3891
3892 /* Serdes Digital4 Misc3 */
3893 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3894 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
3895
3896 /* Set Transmit PMD settings */
3897 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3898 MDIO_WC_REG_TX_FIR_TAP,
3899 ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3900 (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3901 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
3902 MDIO_WC_REG_TX_FIR_TAP_ENABLE));
3903 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3904 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3905 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3906 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3907 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
3908}
3909
3910static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
3911 struct link_params *params,
3912 u8 fiber_mode)
3913{
3914 struct bnx2x *bp = params->bp;
3915 u16 val16, digctrl_kx1, digctrl_kx2;
3916 u8 lane;
3917
3918 lane = bnx2x_get_warpcore_lane(phy, params);
3919
3920 /* Clear XFI clock comp in non-10G single lane mode. */
3921 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3922 MDIO_WC_REG_RX66_CONTROL, &val16);
3923 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3924 MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
3925
3926 if (phy->req_line_speed == SPEED_AUTO_NEG) {
3927 /* SGMII Autoneg */
3928 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3929 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
3930 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3931 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
3932 val16 | 0x1000);
3933 DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
3934 } else {
3935 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3936 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
3937 val16 &= 0xcfbf;
3938 switch (phy->req_line_speed) {
3939 case SPEED_10:
3940 break;
3941 case SPEED_100:
3942 val16 |= 0x2000;
3943 break;
3944 case SPEED_1000:
3945 val16 |= 0x0040;
3946 break;
3947 default:
3948 DP(NETIF_MSG_LINK, "Speed not supported: 0x%x"
3949 "\n", phy->req_line_speed);
3950 return;
3951 }
3952
3953 if (phy->req_duplex == DUPLEX_FULL)
3954 val16 |= 0x0100;
3955
3956 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3957 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
3958
3959 DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
3960 phy->req_line_speed);
3961 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3962 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
3963 DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
3964 }
3965
3966 /* SGMII Slave mode and disable signal detect */
3967 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3968 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
3969 if (fiber_mode)
3970 digctrl_kx1 = 1;
3971 else
3972 digctrl_kx1 &= 0xff4a;
3973
3974 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3975 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3976 digctrl_kx1);
3977
3978 /* Turn off parallel detect */
3979 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3980 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
3981 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3982 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3983 (digctrl_kx2 & ~(1<<2)));
3984
3985 /* Re-enable parallel detect */
3986 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3987 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3988 (digctrl_kx2 | (1<<2)));
3989
3990 /* Enable autodet */
3991 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3992 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3993 (digctrl_kx1 | 0x10));
3994}
3995
3996static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
3997 struct bnx2x_phy *phy,
3998 u8 reset)
3999{
4000 u16 val;
4001 /* Take lane out of reset after configuration is finished */
4002 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4003 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4004 if (reset)
4005 val |= 0xC000;
4006 else
4007 val &= 0x3FFF;
4008 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4009 MDIO_WC_REG_DIGITAL5_MISC6, val);
4010 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4011 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4012}
4013
4014
4015 /* Clear SFI/XFI link settings registers */
4016static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
4017 struct link_params *params,
4018 u16 lane)
4019{
4020 struct bnx2x *bp = params->bp;
4021 u16 val16;
4022
4023 /* Set XFI clock comp as default. */
4024 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4025 MDIO_WC_REG_RX66_CONTROL, &val16);
4026 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4027 MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
4028
4029 bnx2x_warpcore_reset_lane(bp, phy, 1);
4030 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
4031 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4032 MDIO_WC_REG_FX100_CTRL1, 0x014a);
4033 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4034 MDIO_WC_REG_FX100_CTRL3, 0x0800);
4035 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4036 MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
4037 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4038 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
4039 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4040 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
4041 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4042 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
4043 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4044 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
4045 lane = bnx2x_get_warpcore_lane(phy, params);
4046 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4047 MDIO_WC_REG_TX_FIR_TAP, 0x0000);
4048 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4049 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
4050 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4051 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
4052 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4053 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
4054 bnx2x_warpcore_reset_lane(bp, phy, 0);
4055}
4056
4057static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
4058 u32 chip_id,
4059 u32 shmem_base, u8 port,
4060 u8 *gpio_num, u8 *gpio_port)
4061{
4062 u32 cfg_pin;
4063 *gpio_num = 0;
4064 *gpio_port = 0;
4065 if (CHIP_IS_E3(bp)) {
4066 cfg_pin = (REG_RD(bp, shmem_base +
4067 offsetof(struct shmem_region,
4068 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4069 PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4070 PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4071
4072 /*
4073 * Should not happen. This function called upon interrupt
4074 * triggered by GPIO ( since EPIO can only generate interrupts
4075 * to MCP).
4076 * So if this function was called and none of the GPIOs was set,
4077 * it means the shit hit the fan.
4078 */
4079 if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4080 (cfg_pin > PIN_CFG_GPIO3_P1)) {
4081 DP(NETIF_MSG_LINK, "ERROR: Invalid cfg pin %x for "
4082 "module detect indication\n",
4083 cfg_pin);
4084 return -EINVAL;
4085 }
4086
4087 *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4088 *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4089 } else {
4090 *gpio_num = MISC_REGISTERS_GPIO_3;
4091 *gpio_port = port;
4092 }
4093 DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
4094 return 0;
4095}
4096
4097static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
4098 struct link_params *params)
4099{
4100 struct bnx2x *bp = params->bp;
4101 u8 gpio_num, gpio_port;
4102 u32 gpio_val;
4103 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
4104 params->shmem_base, params->port,
4105 &gpio_num, &gpio_port) != 0)
4106 return 0;
4107 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
4108
4109 /* Call the handling function in case module is detected */
4110 if (gpio_val == 0)
4111 return 1;
4112 else
4113 return 0;
4114}
4115
4116static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
4117 struct link_params *params,
4118 struct link_vars *vars)
4119{
4120 struct bnx2x *bp = params->bp;
4121 u32 serdes_net_if;
4122 u8 fiber_mode;
4123 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4124 serdes_net_if = (REG_RD(bp, params->shmem_base +
4125 offsetof(struct shmem_region, dev_info.
4126 port_hw_config[params->port].default_cfg)) &
4127 PORT_HW_CFG_NET_SERDES_IF_MASK);
4128 DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
4129 "serdes_net_if = 0x%x\n",
4130 vars->line_speed, serdes_net_if);
4131 bnx2x_set_aer_mmd(params, phy);
4132
4133 vars->phy_flags |= PHY_XGXS_FLAG;
4134 if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4135 (phy->req_line_speed &&
4136 ((phy->req_line_speed == SPEED_100) ||
4137 (phy->req_line_speed == SPEED_10)))) {
4138 vars->phy_flags |= PHY_SGMII_FLAG;
4139 DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
4140 bnx2x_warpcore_clear_regs(phy, params, lane);
4141 bnx2x_warpcore_set_sgmii_speed(phy, params, 0);
4142 } else {
4143 switch (serdes_net_if) {
4144 case PORT_HW_CFG_NET_SERDES_IF_KR:
4145 /* Enable KR Auto Neg */
4146 if (params->loopback_mode == LOOPBACK_NONE)
4147 bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4148 else {
4149 DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
4150 bnx2x_warpcore_set_10G_KR(phy, params, vars);
4151 }
4152 break;
4153
4154 case PORT_HW_CFG_NET_SERDES_IF_XFI:
4155 bnx2x_warpcore_clear_regs(phy, params, lane);
4156 if (vars->line_speed == SPEED_10000) {
4157 DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
4158 bnx2x_warpcore_set_10G_XFI(phy, params, 1);
4159 } else {
4160 if (SINGLE_MEDIA_DIRECT(params)) {
4161 DP(NETIF_MSG_LINK, "1G Fiber\n");
4162 fiber_mode = 1;
4163 } else {
4164 DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
4165 fiber_mode = 0;
4166 }
4167 bnx2x_warpcore_set_sgmii_speed(phy,
4168 params,
4169 fiber_mode);
4170 }
4171
4172 break;
4173
4174 case PORT_HW_CFG_NET_SERDES_IF_SFI:
4175
4176 bnx2x_warpcore_clear_regs(phy, params, lane);
4177 if (vars->line_speed == SPEED_10000) {
4178 DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
4179 bnx2x_warpcore_set_10G_XFI(phy, params, 0);
4180 } else if (vars->line_speed == SPEED_1000) {
4181 DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
4182 bnx2x_warpcore_set_sgmii_speed(phy, params, 1);
4183 }
4184 /* Issue Module detection */
4185 if (bnx2x_is_sfp_module_plugged(phy, params))
4186 bnx2x_sfp_module_detection(phy, params);
4187 break;
4188
4189 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4190 if (vars->line_speed != SPEED_20000) {
4191 DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4192 return;
4193 }
4194 DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
4195 bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
4196 /* Issue Module detection */
4197
4198 bnx2x_sfp_module_detection(phy, params);
4199 break;
4200
4201 case PORT_HW_CFG_NET_SERDES_IF_KR2:
4202 if (vars->line_speed != SPEED_20000) {
4203 DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4204 return;
4205 }
4206 DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
4207 bnx2x_warpcore_set_20G_KR2(bp, phy);
4208 break;
4209
4210 default:
4211 DP(NETIF_MSG_LINK, "Unsupported Serdes Net Interface "
4212 "0x%x\n", serdes_net_if);
4213 return;
4214 }
4215 }
4216
4217 /* Take lane out of reset after configuration is finished */
4218 bnx2x_warpcore_reset_lane(bp, phy, 0);
4219 DP(NETIF_MSG_LINK, "Exit config init\n");
4220}
4221
4222static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
4223 struct bnx2x_phy *phy,
4224 u8 tx_en)
4225{
4226 struct bnx2x *bp = params->bp;
4227 u32 cfg_pin;
4228 u8 port = params->port;
4229
4230 cfg_pin = REG_RD(bp, params->shmem_base +
4231 offsetof(struct shmem_region,
4232 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4233 PORT_HW_CFG_TX_LASER_MASK;
4234 /* Set the !tx_en since this pin is DISABLE_TX_LASER */
4235 DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
4236 /* For 20G, the expected pin to be used is 3 pins after the current */
4237
4238 bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
4239 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4240 bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
4241}
4242
4243static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
4244 struct link_params *params)
4245{
4246 struct bnx2x *bp = params->bp;
4247 u16 val16;
4248 bnx2x_sfp_e3_set_transmitter(params, phy, 0);
4249 bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
4250 bnx2x_set_aer_mmd(params, phy);
4251 /* Global register */
4252 bnx2x_warpcore_reset_lane(bp, phy, 1);
4253
4254 /* Clear loopback settings (if any) */
4255 /* 10G & 20G */
4256 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4257 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4258 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4259 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
4260 0xBFFF);
4261
4262 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4263 MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
4264 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4265 MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
4266
4267 /* Update those 1-copy registers */
4268 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4269 MDIO_AER_BLOCK_AER_REG, 0);
4270 /* Enable 1G MDIO (1-copy) */
4271 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4272 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4273 &val16);
4274 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4275 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4276 val16 & ~0x10);
4277
4278 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4279 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4280 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4281 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4282 val16 & 0xff00);
4283
4284}
4285
4286static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
4287 struct link_params *params)
4288{
4289 struct bnx2x *bp = params->bp;
4290 u16 val16;
4291 u32 lane;
4292 DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
4293 params->loopback_mode, phy->req_line_speed);
4294
4295 if (phy->req_line_speed < SPEED_10000) {
4296 /* 10/100/1000 */
4297
4298 /* Update those 1-copy registers */
4299 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4300 MDIO_AER_BLOCK_AER_REG, 0);
4301 /* Enable 1G MDIO (1-copy) */
4302 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4303 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4304 &val16);
4305 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4306 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4307 val16 | 0x10);
4308 /* Set 1G loopback based on lane (1-copy) */
4309 lane = bnx2x_get_warpcore_lane(phy, params);
4310 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4311 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4312 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4313 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4314 val16 | (1<<lane));
4315
4316 /* Switch back to 4-copy registers */
4317 bnx2x_set_aer_mmd(params, phy);
4318 /* Global loopback, not recommended. */
4319 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4320 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4321 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4322 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
4323 0x4000);
4324 } else {
4325 /* 10G & 20G */
4326 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4327 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4328 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4329 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
4330 0x4000);
4331
4332 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4333 MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
4334 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4335 MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
4336 }
4337}
4338
4339
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004340void bnx2x_link_status_update(struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004341 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004342{
4343 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004344 u8 link_10g_plus;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004345 u8 port = params->port;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00004346 u32 sync_offset, media_types;
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00004347 /* Update PHY configuration */
4348 set_phy_vars(params, vars);
4349
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004350 vars->link_status = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004351 offsetof(struct shmem_region,
4352 port_mb[port].link_status));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004353
4354 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00004355 vars->phy_flags = PHY_XGXS_FLAG;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004356 if (vars->link_up) {
4357 DP(NETIF_MSG_LINK, "phy link up\n");
4358
4359 vars->phy_link_up = 1;
4360 vars->duplex = DUPLEX_FULL;
4361 switch (vars->link_status &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004362 LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004363 case LINK_10THD:
4364 vars->duplex = DUPLEX_HALF;
4365 /* fall thru */
4366 case LINK_10TFD:
4367 vars->line_speed = SPEED_10;
4368 break;
4369
4370 case LINK_100TXHD:
4371 vars->duplex = DUPLEX_HALF;
4372 /* fall thru */
4373 case LINK_100T4:
4374 case LINK_100TXFD:
4375 vars->line_speed = SPEED_100;
4376 break;
4377
4378 case LINK_1000THD:
4379 vars->duplex = DUPLEX_HALF;
4380 /* fall thru */
4381 case LINK_1000TFD:
4382 vars->line_speed = SPEED_1000;
4383 break;
4384
4385 case LINK_2500THD:
4386 vars->duplex = DUPLEX_HALF;
4387 /* fall thru */
4388 case LINK_2500TFD:
4389 vars->line_speed = SPEED_2500;
4390 break;
4391
4392 case LINK_10GTFD:
4393 vars->line_speed = SPEED_10000;
4394 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004395 case LINK_20GTFD:
4396 vars->line_speed = SPEED_20000;
4397 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004398 default:
4399 break;
4400 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004401 vars->flow_ctrl = 0;
4402 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
4403 vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
4404
4405 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
4406 vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
4407
4408 if (!vars->flow_ctrl)
4409 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4410
4411 if (vars->line_speed &&
4412 ((vars->line_speed == SPEED_10) ||
4413 (vars->line_speed == SPEED_100))) {
4414 vars->phy_flags |= PHY_SGMII_FLAG;
4415 } else {
4416 vars->phy_flags &= ~PHY_SGMII_FLAG;
4417 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004418 if (vars->line_speed &&
4419 USES_WARPCORE(bp) &&
4420 (vars->line_speed == SPEED_1000))
4421 vars->phy_flags |= PHY_SGMII_FLAG;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004422 /* anything 10 and over uses the bmac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004423 link_10g_plus = (vars->line_speed >= SPEED_10000);
4424
4425 if (link_10g_plus) {
4426 if (USES_WARPCORE(bp))
4427 vars->mac_type = MAC_TYPE_XMAC;
4428 else
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004429 vars->mac_type = MAC_TYPE_BMAC;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004430 } else {
4431 if (USES_WARPCORE(bp))
4432 vars->mac_type = MAC_TYPE_UMAC;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00004433 else
4434 vars->mac_type = MAC_TYPE_EMAC;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004435 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004436 } else { /* link down */
4437 DP(NETIF_MSG_LINK, "phy link down\n");
4438
4439 vars->phy_link_up = 0;
4440
4441 vars->line_speed = 0;
4442 vars->duplex = DUPLEX_FULL;
4443 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4444
4445 /* indicate no mac active */
4446 vars->mac_type = MAC_TYPE_NONE;
4447 }
4448
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00004449 /* Sync media type */
4450 sync_offset = params->shmem_base +
4451 offsetof(struct shmem_region,
4452 dev_info.port_hw_config[port].media_type);
4453 media_types = REG_RD(bp, sync_offset);
4454
4455 params->phy[INT_PHY].media_type =
4456 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
4457 PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
4458 params->phy[EXT_PHY1].media_type =
4459 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
4460 PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
4461 params->phy[EXT_PHY2].media_type =
4462 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
4463 PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
4464 DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
4465
Yaniv Rosner020c7e32011-05-31 21:28:43 +00004466 /* Sync AEU offset */
4467 sync_offset = params->shmem_base +
4468 offsetof(struct shmem_region,
4469 dev_info.port_hw_config[port].aeu_int_mask);
4470
4471 vars->aeu_int_mask = REG_RD(bp, sync_offset);
4472
Yaniv Rosnerb8d6d082011-07-05 01:06:27 +00004473 /* Sync PFC status */
4474 if (vars->link_status & LINK_STATUS_PFC_ENABLED)
4475 params->feature_config_flags |=
4476 FEATURE_CONFIG_PFC_ENABLED;
4477 else
4478 params->feature_config_flags &=
4479 ~FEATURE_CONFIG_PFC_ENABLED;
4480
Yaniv Rosner020c7e32011-05-31 21:28:43 +00004481 DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
4482 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004483 DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
4484 vars->line_speed, vars->duplex, vars->flow_ctrl);
4485}
4486
4487
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004488static void bnx2x_set_master_ln(struct link_params *params,
4489 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004490{
4491 struct bnx2x *bp = params->bp;
4492 u16 new_master_ln, ser_lane;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004493 ser_lane = ((params->lane_config &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004494 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004495 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004496
4497 /* set the master_ln for AN */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004498 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004499 MDIO_REG_BANK_XGXS_BLOCK2,
4500 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4501 &new_master_ln);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004502
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004503 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004504 MDIO_REG_BANK_XGXS_BLOCK2 ,
4505 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4506 (new_master_ln | ser_lane));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004507}
4508
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004509static int bnx2x_reset_unicore(struct link_params *params,
4510 struct bnx2x_phy *phy,
4511 u8 set_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004512{
4513 struct bnx2x *bp = params->bp;
4514 u16 mii_control;
4515 u16 i;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004516 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004517 MDIO_REG_BANK_COMBO_IEEE0,
4518 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004519
4520 /* reset the unicore */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004521 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004522 MDIO_REG_BANK_COMBO_IEEE0,
4523 MDIO_COMBO_IEEE0_MII_CONTROL,
4524 (mii_control |
4525 MDIO_COMBO_IEEO_MII_CONTROL_RESET));
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004526 if (set_serdes)
4527 bnx2x_set_serdes_access(bp, params->port);
Eilon Greensteinc1b73992009-02-12 08:37:07 +00004528
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004529 /* wait for the reset to self clear */
4530 for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
4531 udelay(5);
4532
4533 /* the reset erased the previous bank value */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004534 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004535 MDIO_REG_BANK_COMBO_IEEE0,
4536 MDIO_COMBO_IEEE0_MII_CONTROL,
4537 &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004538
4539 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
4540 udelay(5);
4541 return 0;
4542 }
4543 }
4544
Yaniv Rosner6d870c32011-01-31 04:22:20 +00004545 netdev_err(bp->dev, "Warning: PHY was not initialized,"
4546 " Port %d\n",
4547 params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004548 DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
4549 return -EINVAL;
4550
4551}
4552
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004553static void bnx2x_set_swap_lanes(struct link_params *params,
4554 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004555{
4556 struct bnx2x *bp = params->bp;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004557 /*
4558 * Each two bits represents a lane number:
4559 * No swap is 0123 => 0x1b no need to enable the swap
4560 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004561 u16 ser_lane, rx_lane_swap, tx_lane_swap;
4562
4563 ser_lane = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004564 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
4565 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004566 rx_lane_swap = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004567 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
4568 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004569 tx_lane_swap = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004570 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
4571 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004572
4573 if (rx_lane_swap != 0x1b) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004574 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004575 MDIO_REG_BANK_XGXS_BLOCK2,
4576 MDIO_XGXS_BLOCK2_RX_LN_SWAP,
4577 (rx_lane_swap |
4578 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
4579 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004580 } else {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004581 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004582 MDIO_REG_BANK_XGXS_BLOCK2,
4583 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004584 }
4585
4586 if (tx_lane_swap != 0x1b) {
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_TX_LN_SWAP,
4590 (tx_lane_swap |
4591 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004592 } else {
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, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004596 }
4597}
4598
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004599static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
4600 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004601{
4602 struct bnx2x *bp = params->bp;
4603 u16 control2;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004604 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004605 MDIO_REG_BANK_SERDES_DIGITAL,
4606 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4607 &control2);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004608 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02004609 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4610 else
4611 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004612 DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
4613 phy->speed_cap_mask, control2);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004614 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004615 MDIO_REG_BANK_SERDES_DIGITAL,
4616 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4617 control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004618
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004619 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00004620 (phy->speed_cap_mask &
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02004621 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004622 DP(NETIF_MSG_LINK, "XGXS\n");
4623
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004624 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004625 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4626 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
4627 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004628
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004629 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004630 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4631 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4632 &control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004633
4634
4635 control2 |=
4636 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
4637
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004638 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004639 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4640 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4641 control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004642
4643 /* Disable parallel detection of HiG */
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_XGXS_BLOCK2,
4646 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
4647 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
4648 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004649 }
4650}
4651
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004652static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
4653 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004654 struct link_vars *vars,
4655 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004656{
4657 struct bnx2x *bp = params->bp;
4658 u16 reg_val;
4659
4660 /* CL37 Autoneg */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004661 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004662 MDIO_REG_BANK_COMBO_IEEE0,
4663 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004664
4665 /* CL37 Autoneg Enabled */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004666 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004667 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
4668 else /* CL37 Autoneg Disabled */
4669 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4670 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
4671
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004672 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004673 MDIO_REG_BANK_COMBO_IEEE0,
4674 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004675
4676 /* Enable/Disable Autodetection */
4677
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004678 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004679 MDIO_REG_BANK_SERDES_DIGITAL,
4680 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00004681 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
4682 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
4683 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004684 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004685 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
4686 else
4687 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
4688
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004689 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004690 MDIO_REG_BANK_SERDES_DIGITAL,
4691 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004692
4693 /* Enable TetonII and BAM autoneg */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004694 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004695 MDIO_REG_BANK_BAM_NEXT_PAGE,
4696 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004697 &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004698 if (vars->line_speed == SPEED_AUTO_NEG) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004699 /* Enable BAM aneg Mode and TetonII aneg Mode */
4700 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
4701 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
4702 } else {
4703 /* TetonII and BAM Autoneg Disabled */
4704 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
4705 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
4706 }
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004707 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004708 MDIO_REG_BANK_BAM_NEXT_PAGE,
4709 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
4710 reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004711
Eilon Greenstein239d6862009-08-12 08:23:04 +00004712 if (enable_cl73) {
4713 /* Enable Cl73 FSM status bits */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004714 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004715 MDIO_REG_BANK_CL73_USERB0,
4716 MDIO_CL73_USERB0_CL73_UCTRL,
4717 0xe);
Eilon Greenstein239d6862009-08-12 08:23:04 +00004718
4719 /* Enable BAM Station Manager*/
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004720 CL22_WR_OVER_CL45(bp, phy,
Eilon Greenstein239d6862009-08-12 08:23:04 +00004721 MDIO_REG_BANK_CL73_USERB0,
4722 MDIO_CL73_USERB0_CL73_BAM_CTRL1,
4723 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
4724 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
4725 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
4726
Yaniv Rosner7846e472009-11-05 19:18:07 +02004727 /* Advertise CL73 link speeds */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004728 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004729 MDIO_REG_BANK_CL73_IEEEB1,
4730 MDIO_CL73_IEEEB1_AN_ADV2,
4731 &reg_val);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004732 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02004733 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
4734 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004735 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02004736 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
4737 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
Eilon Greenstein239d6862009-08-12 08:23:04 +00004738
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004739 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004740 MDIO_REG_BANK_CL73_IEEEB1,
4741 MDIO_CL73_IEEEB1_AN_ADV2,
4742 reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00004743
Eilon Greenstein239d6862009-08-12 08:23:04 +00004744 /* CL73 Autoneg Enabled */
4745 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
4746
4747 } else /* CL73 Autoneg Disabled */
4748 reg_val = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004749
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004750 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004751 MDIO_REG_BANK_CL73_IEEEB0,
4752 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004753}
4754
4755/* program SerDes, forced speed */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004756static void bnx2x_program_serdes(struct bnx2x_phy *phy,
4757 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004758 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004759{
4760 struct bnx2x *bp = params->bp;
4761 u16 reg_val;
4762
Eilon Greenstein57937202009-08-12 08:23:53 +00004763 /* program duplex, disable autoneg and sgmii*/
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004764 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004765 MDIO_REG_BANK_COMBO_IEEE0,
4766 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004767 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
Eilon Greenstein57937202009-08-12 08:23:53 +00004768 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4769 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004770 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004771 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004772 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004773 MDIO_REG_BANK_COMBO_IEEE0,
4774 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004775
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004776 /*
4777 * program speed
4778 * - needed only if the speed is greater than 1G (2.5G or 10G)
4779 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004780 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004781 MDIO_REG_BANK_SERDES_DIGITAL,
4782 MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004783 /* clearing the speed value before setting the right speed */
4784 DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
4785
4786 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
4787 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
4788
4789 if (!((vars->line_speed == SPEED_1000) ||
4790 (vars->line_speed == SPEED_100) ||
4791 (vars->line_speed == SPEED_10))) {
4792
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004793 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
4794 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004795 if (vars->line_speed == SPEED_10000)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004796 reg_val |=
4797 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004798 }
4799
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004800 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004801 MDIO_REG_BANK_SERDES_DIGITAL,
4802 MDIO_SERDES_DIGITAL_MISC1, reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004803
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004804}
4805
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00004806static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
4807 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004808{
4809 struct bnx2x *bp = params->bp;
4810 u16 val = 0;
4811
4812 /* configure the 48 bits for BAM AN */
4813
4814 /* set extended capabilities */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004815 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004816 val |= MDIO_OVER_1G_UP1_2_5G;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004817 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004818 val |= MDIO_OVER_1G_UP1_10G;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004819 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004820 MDIO_REG_BANK_OVER_1G,
4821 MDIO_OVER_1G_UP1, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004822
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004823 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004824 MDIO_REG_BANK_OVER_1G,
4825 MDIO_OVER_1G_UP3, 0x400);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004826}
4827
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00004828static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
4829 struct link_params *params,
4830 u16 ieee_fc)
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004831{
4832 struct bnx2x *bp = params->bp;
Yaniv Rosner7846e472009-11-05 19:18:07 +02004833 u16 val;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004834 /* for AN, we are always publishing full duplex */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004835
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004836 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004837 MDIO_REG_BANK_COMBO_IEEE0,
4838 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004839 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004840 MDIO_REG_BANK_CL73_IEEEB1,
4841 MDIO_CL73_IEEEB1_AN_ADV1, &val);
Yaniv Rosner7846e472009-11-05 19:18:07 +02004842 val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
4843 val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004844 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004845 MDIO_REG_BANK_CL73_IEEEB1,
4846 MDIO_CL73_IEEEB1_AN_ADV1, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004847}
4848
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004849static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
4850 struct link_params *params,
4851 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004852{
4853 struct bnx2x *bp = params->bp;
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00004854 u16 mii_control;
Eilon Greenstein239d6862009-08-12 08:23:04 +00004855
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004856 DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00004857 /* Enable and restart BAM/CL37 aneg */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004858
Eilon Greenstein239d6862009-08-12 08:23:04 +00004859 if (enable_cl73) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004860 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004861 MDIO_REG_BANK_CL73_IEEEB0,
4862 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
4863 &mii_control);
Eilon Greenstein239d6862009-08-12 08:23:04 +00004864
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004865 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004866 MDIO_REG_BANK_CL73_IEEEB0,
4867 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
4868 (mii_control |
4869 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
4870 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
Eilon Greenstein239d6862009-08-12 08:23:04 +00004871 } else {
4872
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004873 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004874 MDIO_REG_BANK_COMBO_IEEE0,
4875 MDIO_COMBO_IEEE0_MII_CONTROL,
4876 &mii_control);
Eilon Greenstein239d6862009-08-12 08:23:04 +00004877 DP(NETIF_MSG_LINK,
4878 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
4879 mii_control);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004880 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004881 MDIO_REG_BANK_COMBO_IEEE0,
4882 MDIO_COMBO_IEEE0_MII_CONTROL,
4883 (mii_control |
4884 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4885 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
Eilon Greenstein239d6862009-08-12 08:23:04 +00004886 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004887}
4888
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004889static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
4890 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004891 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004892{
4893 struct bnx2x *bp = params->bp;
4894 u16 control1;
4895
4896 /* in SGMII mode, the unicore is always slave */
4897
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004898 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004899 MDIO_REG_BANK_SERDES_DIGITAL,
4900 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
4901 &control1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004902 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
4903 /* set sgmii mode (and not fiber) */
4904 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
4905 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
4906 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004907 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004908 MDIO_REG_BANK_SERDES_DIGITAL,
4909 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
4910 control1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004911
4912 /* if forced speed */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004913 if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004914 /* set speed, disable autoneg */
4915 u16 mii_control;
4916
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004917 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004918 MDIO_REG_BANK_COMBO_IEEE0,
4919 MDIO_COMBO_IEEE0_MII_CONTROL,
4920 &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004921 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4922 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
4923 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
4924
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004925 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004926 case SPEED_100:
4927 mii_control |=
4928 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
4929 break;
4930 case SPEED_1000:
4931 mii_control |=
4932 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
4933 break;
4934 case SPEED_10:
4935 /* there is nothing to set for 10M */
4936 break;
4937 default:
4938 /* invalid speed for SGMII */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004939 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
4940 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004941 break;
4942 }
4943
4944 /* setting the full duplex */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004945 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004946 mii_control |=
4947 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004948 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004949 MDIO_REG_BANK_COMBO_IEEE0,
4950 MDIO_COMBO_IEEE0_MII_CONTROL,
4951 mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004952
4953 } else { /* AN mode */
4954 /* enable and restart AN */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004955 bnx2x_restart_autoneg(phy, params, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004956 }
4957}
4958
4959
4960/*
4961 * link management
4962 */
4963
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004964static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
4965 struct link_params *params)
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02004966{
4967 struct bnx2x *bp = params->bp;
4968 u16 pd_10g, status2_1000x;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004969 if (phy->req_line_speed != SPEED_AUTO_NEG)
4970 return 0;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004971 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004972 MDIO_REG_BANK_SERDES_DIGITAL,
4973 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
4974 &status2_1000x);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004975 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004976 MDIO_REG_BANK_SERDES_DIGITAL,
4977 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
4978 &status2_1000x);
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02004979 if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
4980 DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
4981 params->port);
4982 return 1;
4983 }
4984
Yaniv Rosnercd2be892011-01-31 04:21:45 +00004985 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004986 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4987 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
4988 &pd_10g);
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02004989
4990 if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
4991 DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
4992 params->port);
4993 return 1;
4994 }
4995 return 0;
4996}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004997
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004998static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
4999 struct link_params *params,
5000 struct link_vars *vars,
5001 u32 gp_status)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005002{
5003 struct bnx2x *bp = params->bp;
Eilon Greenstein3196a882008-08-13 15:58:49 -07005004 u16 ld_pause; /* local driver */
5005 u16 lp_pause; /* link partner */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005006 u16 pause_result;
5007
David S. Millerc0700f92008-12-16 23:53:20 -08005008 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005009
5010 /* resolve from gp_status in case of AN complete and not sgmii */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005011 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
5012 vars->flow_ctrl = phy->req_flow_ctrl;
5013 else if (phy->req_line_speed != SPEED_AUTO_NEG)
5014 vars->flow_ctrl = params->req_fc_auto_adv;
5015 else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
5016 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005017 if (bnx2x_direct_parallel_detect_used(phy, params)) {
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02005018 vars->flow_ctrl = params->req_fc_auto_adv;
5019 return;
5020 }
Yaniv Rosner7846e472009-11-05 19:18:07 +02005021 if ((gp_status &
5022 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5023 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
5024 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5025 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
5026
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005027 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005028 MDIO_REG_BANK_CL73_IEEEB1,
5029 MDIO_CL73_IEEEB1_AN_ADV1,
5030 &ld_pause);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005031 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005032 MDIO_REG_BANK_CL73_IEEEB1,
5033 MDIO_CL73_IEEEB1_AN_LP_ADV1,
5034 &lp_pause);
Yaniv Rosner7846e472009-11-05 19:18:07 +02005035 pause_result = (ld_pause &
5036 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
5037 >> 8;
5038 pause_result |= (lp_pause &
5039 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
5040 >> 10;
5041 DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
5042 pause_result);
5043 } else {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005044 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005045 MDIO_REG_BANK_COMBO_IEEE0,
5046 MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
5047 &ld_pause);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005048 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005049 MDIO_REG_BANK_COMBO_IEEE0,
5050 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
5051 &lp_pause);
Yaniv Rosner7846e472009-11-05 19:18:07 +02005052 pause_result = (ld_pause &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005053 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
Yaniv Rosner7846e472009-11-05 19:18:07 +02005054 pause_result |= (lp_pause &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005055 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
Yaniv Rosner7846e472009-11-05 19:18:07 +02005056 DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
5057 pause_result);
5058 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005059 bnx2x_pause_resolve(vars, pause_result);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005060 }
5061 DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
5062}
5063
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005064static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
5065 struct link_params *params)
Eilon Greenstein239d6862009-08-12 08:23:04 +00005066{
5067 struct bnx2x *bp = params->bp;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005068 u16 rx_status, ustat_val, cl37_fsm_received;
Eilon Greenstein239d6862009-08-12 08:23:04 +00005069 DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
5070 /* Step 1: Make sure signal is detected */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005071 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005072 MDIO_REG_BANK_RX0,
5073 MDIO_RX0_RX_STATUS,
5074 &rx_status);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005075 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
5076 (MDIO_RX0_RX_STATUS_SIGDET)) {
5077 DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
5078 "rx_status(0x80b0) = 0x%x\n", rx_status);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005079 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005080 MDIO_REG_BANK_CL73_IEEEB0,
5081 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5082 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005083 return;
5084 }
5085 /* Step 2: Check CL73 state machine */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005086 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005087 MDIO_REG_BANK_CL73_USERB0,
5088 MDIO_CL73_USERB0_CL73_USTAT1,
5089 &ustat_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005090 if ((ustat_val &
5091 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5092 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
5093 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5094 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
5095 DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
5096 "ustat_val(0x8371) = 0x%x\n", ustat_val);
5097 return;
5098 }
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005099 /*
5100 * Step 3: Check CL37 Message Pages received to indicate LP
5101 * supports only CL37
5102 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005103 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005104 MDIO_REG_BANK_REMOTE_PHY,
5105 MDIO_REMOTE_PHY_MISC_RX_STATUS,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005106 &cl37_fsm_received);
5107 if ((cl37_fsm_received &
Eilon Greenstein239d6862009-08-12 08:23:04 +00005108 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5109 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
5110 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5111 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
5112 DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
5113 "misc_rx_status(0x8330) = 0x%x\n",
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005114 cl37_fsm_received);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005115 return;
5116 }
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005117 /*
5118 * The combined cl37/cl73 fsm state information indicating that
5119 * we are connected to a device which does not support cl73, but
5120 * does support cl37 BAM. In this case we disable cl73 and
5121 * restart cl37 auto-neg
5122 */
5123
Eilon Greenstein239d6862009-08-12 08:23:04 +00005124 /* Disable CL73 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005125 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005126 MDIO_REG_BANK_CL73_IEEEB0,
5127 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5128 0);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005129 /* Restart CL37 autoneg */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005130 bnx2x_restart_autoneg(phy, params, 0);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005131 DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
5132}
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005133
5134static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
5135 struct link_params *params,
5136 struct link_vars *vars,
5137 u32 gp_status)
5138{
5139 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
5140 vars->link_status |=
5141 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5142
5143 if (bnx2x_direct_parallel_detect_used(phy, params))
5144 vars->link_status |=
5145 LINK_STATUS_PARALLEL_DETECTION_USED;
5146}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005147static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
5148 struct link_params *params,
5149 struct link_vars *vars,
5150 u16 is_link_up,
5151 u16 speed_mask,
5152 u16 is_duplex)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005153{
5154 struct bnx2x *bp = params->bp;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00005155 if (phy->req_line_speed == SPEED_AUTO_NEG)
5156 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005157 if (is_link_up) {
5158 DP(NETIF_MSG_LINK, "phy link up\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005159
5160 vars->phy_link_up = 1;
5161 vars->link_status |= LINK_STATUS_LINK_UP;
5162
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005163 switch (speed_mask) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005164 case GP_STATUS_10M:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005165 vars->line_speed = SPEED_10;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005166 if (vars->duplex == DUPLEX_FULL)
5167 vars->link_status |= LINK_10TFD;
5168 else
5169 vars->link_status |= LINK_10THD;
5170 break;
5171
5172 case GP_STATUS_100M:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005173 vars->line_speed = SPEED_100;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005174 if (vars->duplex == DUPLEX_FULL)
5175 vars->link_status |= LINK_100TXFD;
5176 else
5177 vars->link_status |= LINK_100TXHD;
5178 break;
5179
5180 case GP_STATUS_1G:
5181 case GP_STATUS_1G_KX:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005182 vars->line_speed = SPEED_1000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005183 if (vars->duplex == DUPLEX_FULL)
5184 vars->link_status |= LINK_1000TFD;
5185 else
5186 vars->link_status |= LINK_1000THD;
5187 break;
5188
5189 case GP_STATUS_2_5G:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005190 vars->line_speed = SPEED_2500;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005191 if (vars->duplex == DUPLEX_FULL)
5192 vars->link_status |= LINK_2500TFD;
5193 else
5194 vars->link_status |= LINK_2500THD;
5195 break;
5196
5197 case GP_STATUS_5G:
5198 case GP_STATUS_6G:
5199 DP(NETIF_MSG_LINK,
5200 "link speed unsupported gp_status 0x%x\n",
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005201 speed_mask);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005202 return -EINVAL;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005203
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005204 case GP_STATUS_10G_KX4:
5205 case GP_STATUS_10G_HIG:
5206 case GP_STATUS_10G_CX4:
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005207 case GP_STATUS_10G_KR:
5208 case GP_STATUS_10G_SFI:
5209 case GP_STATUS_10G_XFI:
5210 vars->line_speed = SPEED_10000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005211 vars->link_status |= LINK_10GTFD;
5212 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005213 case GP_STATUS_20G_DXGXS:
5214 vars->line_speed = SPEED_20000;
5215 vars->link_status |= LINK_20GTFD;
5216 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005217 default:
5218 DP(NETIF_MSG_LINK,
5219 "link speed unsupported gp_status 0x%x\n",
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005220 speed_mask);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005221 return -EINVAL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005222 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005223 } else { /* link_down */
5224 DP(NETIF_MSG_LINK, "phy link down\n");
5225
5226 vars->phy_link_up = 0;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005227
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005228 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08005229 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005230 vars->mac_type = MAC_TYPE_NONE;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005231 }
5232 DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
5233 vars->phy_link_up, vars->line_speed);
5234 return 0;
5235}
Eilon Greenstein239d6862009-08-12 08:23:04 +00005236
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005237static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
5238 struct link_params *params,
5239 struct link_vars *vars)
5240{
5241
5242 struct bnx2x *bp = params->bp;
5243
5244 u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
5245 int rc = 0;
5246
5247 /* Read gp_status */
5248 CL22_RD_OVER_CL45(bp, phy,
5249 MDIO_REG_BANK_GP_STATUS,
5250 MDIO_GP_STATUS_TOP_AN_STATUS1,
5251 &gp_status);
5252 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
5253 duplex = DUPLEX_FULL;
5254 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
5255 link_up = 1;
5256 speed_mask = gp_status & GP_STATUS_SPEED_MASK;
5257 DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
5258 gp_status, link_up, speed_mask);
5259 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
5260 duplex);
5261 if (rc == -EINVAL)
5262 return rc;
5263
5264 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
5265 if (SINGLE_MEDIA_DIRECT(params)) {
5266 bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
5267 if (phy->req_line_speed == SPEED_AUTO_NEG)
5268 bnx2x_xgxs_an_resolve(phy, params, vars,
5269 gp_status);
5270 }
5271 } else { /* link_down */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005272 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5273 SINGLE_MEDIA_DIRECT(params)) {
Eilon Greenstein239d6862009-08-12 08:23:04 +00005274 /* Check signal is detected */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005275 bnx2x_check_fallback_to_cl37(phy, params);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005276 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005277 }
5278
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005279 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5280 vars->duplex, vars->flow_ctrl, vars->link_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005281 return rc;
5282}
5283
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005284static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
5285 struct link_params *params,
5286 struct link_vars *vars)
5287{
5288
5289 struct bnx2x *bp = params->bp;
5290
5291 u8 lane;
5292 u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
5293 int rc = 0;
5294 lane = bnx2x_get_warpcore_lane(phy, params);
5295 /* Read gp_status */
5296 if (phy->req_line_speed > SPEED_10000) {
5297 u16 temp_link_up;
5298 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5299 1, &temp_link_up);
5300 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5301 1, &link_up);
5302 DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
5303 temp_link_up, link_up);
5304 link_up &= (1<<2);
5305 if (link_up)
5306 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5307 } else {
5308 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5309 MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
5310 DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
5311 /* Check for either KR or generic link up. */
5312 gp_status1 = ((gp_status1 >> 8) & 0xf) |
5313 ((gp_status1 >> 12) & 0xf);
5314 link_up = gp_status1 & (1 << lane);
5315 if (link_up && SINGLE_MEDIA_DIRECT(params)) {
5316 u16 pd, gp_status4;
5317 if (phy->req_line_speed == SPEED_AUTO_NEG) {
5318 /* Check Autoneg complete */
5319 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5320 MDIO_WC_REG_GP2_STATUS_GP_2_4,
5321 &gp_status4);
5322 if (gp_status4 & ((1<<12)<<lane))
5323 vars->link_status |=
5324 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5325
5326 /* Check parallel detect used */
5327 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5328 MDIO_WC_REG_PAR_DET_10G_STATUS,
5329 &pd);
5330 if (pd & (1<<15))
5331 vars->link_status |=
5332 LINK_STATUS_PARALLEL_DETECTION_USED;
5333 }
5334 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5335 }
5336 }
5337
5338 if (lane < 2) {
5339 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5340 MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
5341 } else {
5342 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5343 MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
5344 }
5345 DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
5346
5347 if ((lane & 1) == 0)
5348 gp_speed <<= 8;
5349 gp_speed &= 0x3f00;
5350
5351
5352 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
5353 duplex);
5354
5355 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5356 vars->duplex, vars->flow_ctrl, vars->link_status);
5357 return rc;
5358}
Eilon Greensteined8680a2009-02-12 08:37:12 +00005359static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005360{
5361 struct bnx2x *bp = params->bp;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005362 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005363 u16 lp_up2;
5364 u16 tx_driver;
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005365 u16 bank;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005366
5367 /* read precomp */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005368 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005369 MDIO_REG_BANK_OVER_1G,
5370 MDIO_OVER_1G_LP_UP2, &lp_up2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005371
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005372 /* bits [10:7] at lp_up2, positioned at [15:12] */
5373 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
5374 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
5375 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
5376
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005377 if (lp_up2 == 0)
5378 return;
5379
5380 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
5381 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005382 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005383 bank,
5384 MDIO_TX0_TX_DRIVER, &tx_driver);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005385
5386 /* replace tx_driver bits [15:12] */
5387 if (lp_up2 !=
5388 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
5389 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
5390 tx_driver |= lp_up2;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005391 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005392 bank,
5393 MDIO_TX0_TX_DRIVER, tx_driver);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00005394 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005395 }
5396}
5397
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005398static int bnx2x_emac_program(struct link_params *params,
5399 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005400{
5401 struct bnx2x *bp = params->bp;
5402 u8 port = params->port;
5403 u16 mode = 0;
5404
5405 DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
5406 bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005407 EMAC_REG_EMAC_MODE,
5408 (EMAC_MODE_25G_MODE |
5409 EMAC_MODE_PORT_MII_10M |
5410 EMAC_MODE_HALF_DUPLEX));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005411 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005412 case SPEED_10:
5413 mode |= EMAC_MODE_PORT_MII_10M;
5414 break;
5415
5416 case SPEED_100:
5417 mode |= EMAC_MODE_PORT_MII;
5418 break;
5419
5420 case SPEED_1000:
5421 mode |= EMAC_MODE_PORT_GMII;
5422 break;
5423
5424 case SPEED_2500:
5425 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
5426 break;
5427
5428 default:
5429 /* 10G not valid for EMAC */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005430 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5431 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005432 return -EINVAL;
5433 }
5434
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005435 if (vars->duplex == DUPLEX_HALF)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005436 mode |= EMAC_MODE_HALF_DUPLEX;
5437 bnx2x_bits_en(bp,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005438 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
5439 mode);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005440
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005441 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005442 return 0;
5443}
5444
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005445static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
5446 struct link_params *params)
5447{
5448
5449 u16 bank, i = 0;
5450 struct bnx2x *bp = params->bp;
5451
5452 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
5453 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005454 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005455 bank,
5456 MDIO_RX0_RX_EQ_BOOST,
5457 phy->rx_preemphasis[i]);
5458 }
5459
5460 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
5461 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00005462 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005463 bank,
5464 MDIO_TX0_TX_DRIVER,
5465 phy->tx_preemphasis[i]);
5466 }
5467}
5468
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005469static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
5470 struct link_params *params,
5471 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005472{
5473 struct bnx2x *bp = params->bp;
5474 u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
5475 (params->loopback_mode == LOOPBACK_XGXS));
5476 if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
5477 if (SINGLE_MEDIA_DIRECT(params) &&
5478 (params->feature_config_flags &
5479 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
5480 bnx2x_set_preemphasis(phy, params);
5481
5482 /* forced speed requested? */
5483 if (vars->line_speed != SPEED_AUTO_NEG ||
5484 (SINGLE_MEDIA_DIRECT(params) &&
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005485 params->loopback_mode == LOOPBACK_EXT)) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005486 DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
5487
5488 /* disable autoneg */
5489 bnx2x_set_autoneg(phy, params, vars, 0);
5490
5491 /* program speed and duplex */
5492 bnx2x_program_serdes(phy, params, vars);
5493
5494 } else { /* AN_mode */
5495 DP(NETIF_MSG_LINK, "not SGMII, AN\n");
5496
5497 /* AN enabled */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005498 bnx2x_set_brcm_cl37_advertisement(phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005499
5500 /* program duplex & pause advertisement (for aneg) */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005501 bnx2x_set_ieee_aneg_advertisement(phy, params,
5502 vars->ieee_fc);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005503
5504 /* enable autoneg */
5505 bnx2x_set_autoneg(phy, params, vars, enable_cl73);
5506
5507 /* enable and restart AN */
5508 bnx2x_restart_autoneg(phy, params, enable_cl73);
5509 }
5510
5511 } else { /* SGMII mode */
5512 DP(NETIF_MSG_LINK, "SGMII\n");
5513
5514 bnx2x_initialize_sgmii_process(phy, params, vars);
5515 }
5516}
5517
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005518static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
5519 struct link_params *params,
5520 struct link_vars *vars)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005521{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005522 int rc;
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005523 vars->phy_flags |= PHY_XGXS_FLAG;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005524 if ((phy->req_line_speed &&
5525 ((phy->req_line_speed == SPEED_100) ||
5526 (phy->req_line_speed == SPEED_10))) ||
5527 (!phy->req_line_speed &&
5528 (phy->speed_cap_mask >=
5529 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
5530 (phy->speed_cap_mask <
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005531 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5532 (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005533 vars->phy_flags |= PHY_SGMII_FLAG;
5534 else
5535 vars->phy_flags &= ~PHY_SGMII_FLAG;
5536
5537 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005538 bnx2x_set_aer_mmd(params, phy);
5539 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
5540 bnx2x_set_master_ln(params, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005541
5542 rc = bnx2x_reset_unicore(params, phy, 0);
5543 /* reset the SerDes and wait for reset bit return low */
5544 if (rc != 0)
5545 return rc;
5546
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005547 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005548 /* setting the masterLn_def again after the reset */
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005549 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
5550 bnx2x_set_master_ln(params, phy);
5551 bnx2x_set_swap_lanes(params, phy);
5552 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005553
5554 return rc;
5555}
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005556
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005557static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
Yaniv Rosner6d870c32011-01-31 04:22:20 +00005558 struct bnx2x_phy *phy,
5559 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005560{
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005561 u16 cnt, ctrl;
Lucas De Marchi25985ed2011-03-30 22:57:33 -03005562 /* Wait for soft reset to get cleared up to 1 sec */
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005563 for (cnt = 0; cnt < 1000; cnt++) {
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +00005564 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
Yaniv Rosner6583e332011-06-14 01:34:17 +00005565 bnx2x_cl22_read(bp, phy,
5566 MDIO_PMA_REG_CTRL, &ctrl);
5567 else
5568 bnx2x_cl45_read(bp, phy,
5569 MDIO_PMA_DEVAD,
5570 MDIO_PMA_REG_CTRL, &ctrl);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005571 if (!(ctrl & (1<<15)))
5572 break;
5573 msleep(1);
5574 }
Yaniv Rosner6d870c32011-01-31 04:22:20 +00005575
5576 if (cnt == 1000)
5577 netdev_err(bp->dev, "Warning: PHY was not initialized,"
5578 " Port %d\n",
5579 params->port);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005580 DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
5581 return cnt;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005582}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005583
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005584static void bnx2x_link_int_enable(struct link_params *params)
5585{
5586 u8 port = params->port;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005587 u32 mask;
5588 struct bnx2x *bp = params->bp;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005589
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005590 /* Setting the status to report on link up for either XGXS or SerDes */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005591 if (CHIP_IS_E3(bp)) {
5592 mask = NIG_MASK_XGXS0_LINK_STATUS;
5593 if (!(SINGLE_MEDIA_DIRECT(params)))
5594 mask |= NIG_MASK_MI_INT;
5595 } else if (params->switch_cfg == SWITCH_CFG_10G) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005596 mask = (NIG_MASK_XGXS0_LINK10G |
5597 NIG_MASK_XGXS0_LINK_STATUS);
5598 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005599 if (!(SINGLE_MEDIA_DIRECT(params)) &&
5600 params->phy[INT_PHY].type !=
5601 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005602 mask |= NIG_MASK_MI_INT;
5603 DP(NETIF_MSG_LINK, "enabled external phy int\n");
5604 }
5605
5606 } else { /* SerDes */
5607 mask = NIG_MASK_SERDES0_LINK_STATUS;
5608 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005609 if (!(SINGLE_MEDIA_DIRECT(params)) &&
5610 params->phy[INT_PHY].type !=
5611 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005612 mask |= NIG_MASK_MI_INT;
5613 DP(NETIF_MSG_LINK, "enabled external phy int\n");
5614 }
5615 }
5616 bnx2x_bits_en(bp,
5617 NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
5618 mask);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00005619
5620 DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005621 (params->switch_cfg == SWITCH_CFG_10G),
5622 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005623 DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
5624 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
5625 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
5626 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
5627 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
5628 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
5629 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
5630}
5631
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005632static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
5633 u8 exp_mi_int)
Eilon Greenstein2f904462009-08-12 08:22:16 +00005634{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005635 u32 latch_status = 0;
5636
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005637 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005638 * Disable the MI INT ( external phy int ) by writing 1 to the
5639 * status register. Link down indication is high-active-signal,
5640 * so in this case we need to write the status to clear the XOR
Eilon Greenstein2f904462009-08-12 08:22:16 +00005641 */
5642 /* Read Latched signals */
5643 latch_status = REG_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005644 NIG_REG_LATCH_STATUS_0 + port*8);
5645 DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
Eilon Greenstein2f904462009-08-12 08:22:16 +00005646 /* Handle only those with latched-signal=up.*/
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005647 if (exp_mi_int)
5648 bnx2x_bits_en(bp,
5649 NIG_REG_STATUS_INTERRUPT_PORT0
5650 + port*4,
5651 NIG_STATUS_EMAC0_MI_INT);
5652 else
5653 bnx2x_bits_dis(bp,
5654 NIG_REG_STATUS_INTERRUPT_PORT0
5655 + port*4,
5656 NIG_STATUS_EMAC0_MI_INT);
5657
Eilon Greenstein2f904462009-08-12 08:22:16 +00005658 if (latch_status & 1) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005659
Eilon Greenstein2f904462009-08-12 08:22:16 +00005660 /* For all latched-signal=up : Re-Arm Latch signals */
5661 REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005662 (latch_status & 0xfffe) | (latch_status & 1));
Eilon Greenstein2f904462009-08-12 08:22:16 +00005663 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005664 /* For all latched-signal=up,Write original_signal to status */
Eilon Greenstein2f904462009-08-12 08:22:16 +00005665}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005666
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005667static void bnx2x_link_int_ack(struct link_params *params,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005668 struct link_vars *vars, u8 is_10g_plus)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005669{
5670 struct bnx2x *bp = params->bp;
5671 u8 port = params->port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005672 u32 mask;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005673 /*
5674 * First reset all status we assume only one line will be
5675 * change at a time
5676 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005677 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005678 (NIG_STATUS_XGXS0_LINK10G |
5679 NIG_STATUS_XGXS0_LINK_STATUS |
5680 NIG_STATUS_SERDES0_LINK_STATUS));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005681 if (vars->phy_link_up) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005682 if (USES_WARPCORE(bp))
5683 mask = NIG_STATUS_XGXS0_LINK_STATUS;
5684 else {
5685 if (is_10g_plus)
5686 mask = NIG_STATUS_XGXS0_LINK10G;
5687 else if (params->switch_cfg == SWITCH_CFG_10G) {
5688 /*
5689 * Disable the link interrupt by writing 1 to
5690 * the relevant lane in the status register
5691 */
5692 u32 ser_lane =
5693 ((params->lane_config &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005694 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
5695 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005696 mask = ((1 << ser_lane) <<
5697 NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
5698 } else
5699 mask = NIG_STATUS_SERDES0_LINK_STATUS;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005700 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005701 DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
5702 mask);
5703 bnx2x_bits_en(bp,
5704 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
5705 mask);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005706 }
5707}
5708
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005709static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005710{
5711 u8 *str_ptr = str;
5712 u32 mask = 0xf0000000;
5713 u8 shift = 8*4;
5714 u8 digit;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005715 u8 remove_leading_zeros = 1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005716 if (*len < 10) {
Frederik Schwarzer025dfda2008-10-16 19:02:37 +02005717 /* Need more than 10chars for this format */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005718 *str_ptr = '\0';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005719 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005720 return -EINVAL;
5721 }
5722 while (shift > 0) {
5723
5724 shift -= 4;
5725 digit = ((num & mask) >> shift);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005726 if (digit == 0 && remove_leading_zeros) {
5727 mask = mask >> 4;
5728 continue;
5729 } else if (digit < 0xa)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005730 *str_ptr = digit + '0';
5731 else
5732 *str_ptr = digit - 0xa + 'a';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005733 remove_leading_zeros = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005734 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005735 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005736 mask = mask >> 4;
5737 if (shift == 4*4) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005738 *str_ptr = '.';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005739 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005740 (*len)--;
5741 remove_leading_zeros = 1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005742 }
5743 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005744 return 0;
5745}
5746
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005747
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005748static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005749{
5750 str[0] = '\0';
5751 (*len)--;
5752 return 0;
5753}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005754
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005755int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
5756 u8 *version, u16 len)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005757{
Julia Lawall0376d5b2009-07-19 05:26:35 +00005758 struct bnx2x *bp;
Eilon Greensteina35da8d2009-02-12 08:37:02 +00005759 u32 spirom_ver = 0;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005760 int status = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005761 u8 *ver_p = version;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005762 u16 remain_len = len;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005763 if (version == NULL || params == NULL)
5764 return -EINVAL;
Julia Lawall0376d5b2009-07-19 05:26:35 +00005765 bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005766
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005767 /* Extract first external phy*/
5768 version[0] = '\0';
5769 spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
Eilon Greensteina35da8d2009-02-12 08:37:02 +00005770
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005771 if (params->phy[EXT_PHY1].format_fw_ver) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005772 status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
5773 ver_p,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005774 &remain_len);
5775 ver_p += (len - remain_len);
5776 }
5777 if ((params->num_phys == MAX_PHYS) &&
5778 (params->phy[EXT_PHY2].ver_addr != 0)) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005779 spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005780 if (params->phy[EXT_PHY2].format_fw_ver) {
5781 *ver_p = '/';
5782 ver_p++;
5783 remain_len--;
5784 status |= params->phy[EXT_PHY2].format_fw_ver(
5785 spirom_ver,
5786 ver_p,
5787 &remain_len);
5788 ver_p = version + (len - remain_len);
5789 }
5790 }
5791 *ver_p = '\0';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005792 return status;
5793}
5794
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005795static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005796 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005797{
5798 u8 port = params->port;
5799 struct bnx2x *bp = params->bp;
5800
Yaniv Rosner62b29a52010-09-07 11:40:58 +00005801 if (phy->req_line_speed != SPEED_1000) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005802 u32 md_devad = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005803
5804 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
5805
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005806 if (!CHIP_IS_E3(bp)) {
5807 /* change the uni_phy_addr in the nig */
5808 md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
5809 port*0x18));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005810
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005811 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
5812 0x5);
5813 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005814
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005815 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005816 5,
5817 (MDIO_REG_BANK_AER_BLOCK +
5818 (MDIO_AER_BLOCK_AER_REG & 0xf)),
5819 0x2800);
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_CL73_IEEEB0 +
5824 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
5825 0x6041);
Eilon Greenstein38582762009-01-14 06:44:16 +00005826 msleep(200);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005827 /* set aer mmd back */
Yaniv Rosnerec146a62011-05-31 21:29:27 +00005828 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005829
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005830 if (!CHIP_IS_E3(bp)) {
5831 /* and md_devad */
5832 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
5833 md_devad);
5834 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005835 } else {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005836 u16 mii_ctrl;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005837 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00005838 bnx2x_cl45_read(bp, phy, 5,
5839 (MDIO_REG_BANK_COMBO_IEEE0 +
5840 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
5841 &mii_ctrl);
5842 bnx2x_cl45_write(bp, phy, 5,
5843 (MDIO_REG_BANK_COMBO_IEEE0 +
5844 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
5845 mii_ctrl |
5846 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005847 }
5848}
5849
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005850int bnx2x_set_led(struct link_params *params,
5851 struct link_vars *vars, u8 mode, u32 speed)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005852{
Yaniv Rosner7846e472009-11-05 19:18:07 +02005853 u8 port = params->port;
5854 u16 hw_led_mode = params->hw_led_mode;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005855 int rc = 0;
5856 u8 phy_idx;
Eilon Greenstein345b5d52008-08-13 15:58:12 -07005857 u32 tmp;
5858 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Yaniv Rosner7846e472009-11-05 19:18:07 +02005859 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005860 DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
5861 DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
5862 speed, hw_led_mode);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005863 /* In case */
5864 for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
5865 if (params->phy[phy_idx].set_link_led) {
5866 params->phy[phy_idx].set_link_led(
5867 &params->phy[phy_idx], params, mode);
5868 }
5869 }
5870
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005871 switch (mode) {
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005872 case LED_MODE_FRONT_PANEL_OFF:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005873 case LED_MODE_OFF:
5874 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
5875 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005876 SHARED_HW_CFG_LED_MAC1);
Eilon Greenstein345b5d52008-08-13 15:58:12 -07005877
5878 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005879 EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005880 break;
5881
5882 case LED_MODE_OPER:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005883 /*
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005884 * For all other phys, OPER mode is same as ON, so in case
5885 * link is down, do nothing
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005886 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005887 if (!vars->link_up)
5888 break;
5889 case LED_MODE_ON:
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00005890 if (((params->phy[EXT_PHY1].type ==
5891 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
5892 (params->phy[EXT_PHY1].type ==
5893 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
Yaniv Rosner1f483532011-01-18 04:33:31 +00005894 CHIP_IS_E2(bp) && params->num_phys == 2) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005895 /*
5896 * This is a work-around for E2+8727 Configurations
5897 */
Yaniv Rosner1f483532011-01-18 04:33:31 +00005898 if (mode == LED_MODE_ON ||
5899 speed == SPEED_10000){
5900 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
5901 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
5902
5903 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
5904 EMAC_WR(bp, EMAC_REG_EMAC_LED,
5905 (tmp | EMAC_LED_OVERRIDE));
5906 return rc;
5907 }
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005908 } else if (SINGLE_MEDIA_DIRECT(params) &&
5909 (CHIP_IS_E1x(bp) ||
5910 CHIP_IS_E2(bp))) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005911 /*
5912 * This is a work-around for HW issue found when link
5913 * is up in CL73
5914 */
Yaniv Rosner7846e472009-11-05 19:18:07 +02005915 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
5916 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
5917 } else {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005918 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
Yaniv Rosner7846e472009-11-05 19:18:07 +02005919 }
5920
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005921 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005922 /* Set blinking rate to ~15.9Hz */
5923 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005924 LED_BLINK_RATE_VAL);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005925 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005926 port*4, 1);
Eilon Greenstein345b5d52008-08-13 15:58:12 -07005927 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005928 EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
Eilon Greenstein345b5d52008-08-13 15:58:12 -07005929
Yaniv Rosner7846e472009-11-05 19:18:07 +02005930 if (CHIP_IS_E1(bp) &&
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005931 ((speed == SPEED_2500) ||
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005932 (speed == SPEED_1000) ||
5933 (speed == SPEED_100) ||
5934 (speed == SPEED_10))) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005935 /*
5936 * On Everest 1 Ax chip versions for speeds less than
5937 * 10G LED scheme is different
5938 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005939 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005940 + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005941 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005942 port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005943 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005944 port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005945 }
5946 break;
5947
5948 default:
5949 rc = -EINVAL;
5950 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
5951 mode);
5952 break;
5953 }
5954 return rc;
5955
5956}
5957
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005958/*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005959 * This function comes to reflect the actual link state read DIRECTLY from the
5960 * HW
5961 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005962int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
5963 u8 is_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005964{
5965 struct bnx2x *bp = params->bp;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00005966 u16 gp_status = 0, phy_index = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005967 u8 ext_phy_link_up = 0, serdes_phy_type;
5968 struct link_vars temp_vars;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005969 struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005970
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00005971 if (CHIP_IS_E3(bp)) {
5972 u16 link_up;
5973 if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
5974 > SPEED_10000) {
5975 /* Check 20G link */
5976 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
5977 1, &link_up);
5978 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
5979 1, &link_up);
5980 link_up &= (1<<2);
5981 } else {
5982 /* Check 10G link and below*/
5983 u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
5984 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
5985 MDIO_WC_REG_GP2_STATUS_GP_2_1,
5986 &gp_status);
5987 gp_status = ((gp_status >> 8) & 0xf) |
5988 ((gp_status >> 12) & 0xf);
5989 link_up = gp_status & (1 << lane);
5990 }
5991 if (!link_up)
5992 return -ESRCH;
5993 } else {
5994 CL22_RD_OVER_CL45(bp, int_phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005995 MDIO_REG_BANK_GP_STATUS,
5996 MDIO_GP_STATUS_TOP_AN_STATUS1,
5997 &gp_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005998 /* link is up only if both local phy and external phy are up */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005999 if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
6000 return -ESRCH;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006001 }
6002 /* In XGXS loopback mode, do not check external PHY */
6003 if (params->loopback_mode == LOOPBACK_XGXS)
6004 return 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006005
6006 switch (params->num_phys) {
6007 case 1:
6008 /* No external PHY */
6009 return 0;
6010 case 2:
6011 ext_phy_link_up = params->phy[EXT_PHY1].read_status(
6012 &params->phy[EXT_PHY1],
6013 params, &temp_vars);
6014 break;
6015 case 3: /* Dual Media */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006016 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6017 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006018 serdes_phy_type = ((params->phy[phy_index].media_type ==
6019 ETH_PHY_SFP_FIBER) ||
6020 (params->phy[phy_index].media_type ==
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00006021 ETH_PHY_XFP_FIBER) ||
6022 (params->phy[phy_index].media_type ==
6023 ETH_PHY_DA_TWINAX));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006024
6025 if (is_serdes != serdes_phy_type)
6026 continue;
6027 if (params->phy[phy_index].read_status) {
6028 ext_phy_link_up |=
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006029 params->phy[phy_index].read_status(
6030 &params->phy[phy_index],
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006031 params, &temp_vars);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006032 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006033 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006034 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006035 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006036 if (ext_phy_link_up)
6037 return 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006038 return -ESRCH;
6039}
6040
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006041static int bnx2x_link_initialize(struct link_params *params,
6042 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006043{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006044 int rc = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006045 u8 phy_index, non_ext_phy;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006046 struct bnx2x *bp = params->bp;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006047 /*
6048 * In case of external phy existence, the line speed would be the
6049 * line speed linked up by the external phy. In case it is direct
6050 * only, then the line_speed during initialization will be
6051 * equal to the req_line_speed
6052 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006053 vars->line_speed = params->phy[INT_PHY].req_line_speed;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006054
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006055 /*
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006056 * Initialize the internal phy in case this is a direct board
6057 * (no external phys), or this board has external phy which requires
6058 * to first.
6059 */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006060 if (!USES_WARPCORE(bp))
6061 bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006062 /* init ext phy and enable link state int */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006063 non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006064 (params->loopback_mode == LOOPBACK_XGXS));
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006065
6066 if (non_ext_phy ||
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006067 (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
Eilon Greenstein8660d8c2009-03-02 08:01:02 +00006068 (params->loopback_mode == LOOPBACK_EXT_PHY)) {
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006069 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006070 if (vars->line_speed == SPEED_AUTO_NEG &&
6071 (CHIP_IS_E1x(bp) ||
6072 CHIP_IS_E2(bp)))
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006073 bnx2x_set_parallel_detection(phy, params);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00006074 if (params->phy[INT_PHY].config_init)
6075 params->phy[INT_PHY].config_init(phy,
6076 params,
6077 vars);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006078 }
6079
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006080 /* Init external phy*/
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006081 if (non_ext_phy) {
6082 if (params->phy[INT_PHY].supported &
6083 SUPPORTED_FIBRE)
6084 vars->link_status |= LINK_STATUS_SERDES_LINK;
6085 } else {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006086 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6087 phy_index++) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006088 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006089 * No need to initialize second phy in case of first
6090 * phy only selection. In case of second phy, we do
6091 * need to initialize the first phy, since they are
6092 * connected.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006093 */
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006094 if (params->phy[phy_index].supported &
6095 SUPPORTED_FIBRE)
6096 vars->link_status |= LINK_STATUS_SERDES_LINK;
6097
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006098 if (phy_index == EXT_PHY2 &&
6099 (bnx2x_phy_selection(params) ==
6100 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006101 DP(NETIF_MSG_LINK, "Not initializing"
6102 " second phy\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006103 continue;
6104 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006105 params->phy[phy_index].config_init(
6106 &params->phy[phy_index],
6107 params, vars);
6108 }
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006109 }
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006110 /* Reset the interrupt indication after phy was initialized */
6111 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
6112 params->port*4,
6113 (NIG_STATUS_XGXS0_LINK10G |
6114 NIG_STATUS_XGXS0_LINK_STATUS |
6115 NIG_STATUS_SERDES0_LINK_STATUS |
6116 NIG_MASK_MI_INT));
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006117 bnx2x_update_mng(params, vars->link_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006118 return rc;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006119}
6120
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006121static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
6122 struct link_params *params)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006123{
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006124 /* reset the SerDes/XGXS */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006125 REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6126 (0x1ff << (params->port*16)));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006127}
6128
6129static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
6130 struct link_params *params)
6131{
6132 struct bnx2x *bp = params->bp;
6133 u8 gpio_port;
6134 /* HW reset */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006135 if (CHIP_IS_E2(bp))
6136 gpio_port = BP_PATH(bp);
6137 else
6138 gpio_port = params->port;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006139 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006140 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6141 gpio_port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006142 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006143 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6144 gpio_port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006145 DP(NETIF_MSG_LINK, "reset external PHY\n");
6146}
6147
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006148static int bnx2x_update_link_down(struct link_params *params,
6149 struct link_vars *vars)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006150{
6151 struct bnx2x *bp = params->bp;
6152 u8 port = params->port;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00006153
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006154 DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006155 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006156 vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006157 /* indicate no mac active */
6158 vars->mac_type = MAC_TYPE_NONE;
6159
6160 /* update shared memory */
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006161 vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
6162 LINK_STATUS_LINK_UP |
6163 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
6164 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
6165 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
6166 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006167 vars->line_speed = 0;
6168 bnx2x_update_mng(params, vars->link_status);
6169
6170 /* activate nig drain */
6171 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6172
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006173 /* disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006174 if (!CHIP_IS_E3(bp))
6175 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006176
6177 msleep(10);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006178 /* reset BigMac/Xmac */
6179 if (CHIP_IS_E1x(bp) ||
6180 CHIP_IS_E2(bp)) {
6181 bnx2x_bmac_rx_disable(bp, params->port);
6182 REG_WR(bp, GRCBASE_MISC +
6183 MISC_REGISTERS_RESET_REG_2_CLEAR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006184 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006185 }
6186 if (CHIP_IS_E3(bp))
6187 bnx2x_xmac_disable(params);
6188
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006189 return 0;
6190}
6191
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006192static int bnx2x_update_link_up(struct link_params *params,
6193 struct link_vars *vars,
6194 u8 link_10g)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006195{
6196 struct bnx2x *bp = params->bp;
6197 u8 port = params->port;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006198 int rc = 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00006199
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006200 vars->link_status |= LINK_STATUS_LINK_UP;
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006201 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006202
Yaniv Rosner7aa07112010-09-07 11:41:01 +00006203 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
6204 vars->link_status |=
6205 LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
6206
6207 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
6208 vars->link_status |=
6209 LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006210 if (USES_WARPCORE(bp)) {
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006211 if (link_10g) {
6212 if (bnx2x_xmac_enable(params, vars, 0) ==
6213 -ESRCH) {
6214 DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
6215 vars->link_up = 0;
6216 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6217 vars->link_status &= ~LINK_STATUS_LINK_UP;
6218 }
6219 } else
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006220 bnx2x_umac_enable(params, vars, 0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006221 bnx2x_set_led(params, vars,
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006222 LED_MODE_OPER, vars->line_speed);
6223 }
6224 if ((CHIP_IS_E1x(bp) ||
6225 CHIP_IS_E2(bp))) {
6226 if (link_10g) {
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006227 if (bnx2x_bmac_enable(params, vars, 0) ==
6228 -ESRCH) {
6229 DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
6230 vars->link_up = 0;
6231 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6232 vars->link_status &= ~LINK_STATUS_LINK_UP;
6233 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006234
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006235 bnx2x_set_led(params, vars,
6236 LED_MODE_OPER, SPEED_10000);
6237 } else {
6238 rc = bnx2x_emac_program(params, vars);
6239 bnx2x_emac_enable(params, vars, 0);
Yaniv Rosner0c786f02009-11-05 19:18:32 +02006240
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006241 /* AN complete? */
6242 if ((vars->link_status &
6243 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
6244 && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
6245 SINGLE_MEDIA_DIRECT(params))
6246 bnx2x_set_gmii_tx_driver(params);
6247 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006248 }
6249
6250 /* PBF - link up */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006251 if (CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006252 rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6253 vars->line_speed);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006254
6255 /* disable drain */
6256 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
6257
6258 /* update shared memory */
6259 bnx2x_update_mng(params, vars->link_status);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006260 msleep(20);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006261 return rc;
6262}
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006263/*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006264 * The bnx2x_link_update function should be called upon link
6265 * interrupt.
6266 * Link is considered up as follows:
6267 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
6268 * to be up
6269 * - SINGLE_MEDIA - The link between the 577xx and the external
6270 * phy (XGXS) need to up as well as the external link of the
6271 * phy (PHY_EXT1)
6272 * - DUAL_MEDIA - The link between the 577xx and the first
6273 * external phy needs to be up, and at least one of the 2
6274 * external phy link must be up.
Yaniv Rosner62b29a52010-09-07 11:40:58 +00006275 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006276int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006277{
6278 struct bnx2x *bp = params->bp;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006279 struct link_vars phy_vars[MAX_PHYS];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006280 u8 port = params->port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006281 u8 link_10g_plus, phy_index;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006282 u8 ext_phy_link_up = 0, cur_link_up;
6283 int rc = 0;
Eilon Greenstein2f904462009-08-12 08:22:16 +00006284 u8 is_mi_int = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006285 u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
6286 u8 active_external_phy = INT_PHY;
Yaniv Rosner3deb8162011-06-14 01:34:33 +00006287 vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006288 for (phy_index = INT_PHY; phy_index < params->num_phys;
6289 phy_index++) {
6290 phy_vars[phy_index].flow_ctrl = 0;
6291 phy_vars[phy_index].link_status = 0;
6292 phy_vars[phy_index].line_speed = 0;
6293 phy_vars[phy_index].duplex = DUPLEX_FULL;
6294 phy_vars[phy_index].phy_link_up = 0;
6295 phy_vars[phy_index].link_up = 0;
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00006296 phy_vars[phy_index].fault_detected = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006297 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006298
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006299 if (USES_WARPCORE(bp))
6300 bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
6301
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006302 DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00006303 port, (vars->phy_flags & PHY_XGXS_FLAG),
6304 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006305
Eilon Greenstein2f904462009-08-12 08:22:16 +00006306 is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006307 port*0x18) > 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006308 DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00006309 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6310 is_mi_int,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006311 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006312
6313 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6314 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6315 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6316
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006317 /* disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00006318 if (!CHIP_IS_E3(bp))
6319 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006320
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006321 /*
6322 * Step 1:
6323 * Check external link change only for external phys, and apply
6324 * priority selection between them in case the link on both phys
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006325 * is up. Note that instead of the common vars, a temporary
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006326 * vars argument is used since each phy may have different link/
6327 * speed/duplex result
6328 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006329 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6330 phy_index++) {
6331 struct bnx2x_phy *phy = &params->phy[phy_index];
6332 if (!phy->read_status)
6333 continue;
6334 /* Read link status and params of this ext phy */
6335 cur_link_up = phy->read_status(phy, params,
6336 &phy_vars[phy_index]);
6337 if (cur_link_up) {
6338 DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
6339 phy_index);
6340 } else {
6341 DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
6342 phy_index);
6343 continue;
6344 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006345
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006346 if (!ext_phy_link_up) {
6347 ext_phy_link_up = 1;
6348 active_external_phy = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006349 } else {
6350 switch (bnx2x_phy_selection(params)) {
6351 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6352 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006353 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006354 * In this option, the first PHY makes sure to pass the
6355 * traffic through itself only.
6356 * Its not clear how to reset the link on the second phy
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006357 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006358 active_external_phy = EXT_PHY1;
6359 break;
6360 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006361 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006362 * In this option, the first PHY makes sure to pass the
6363 * traffic through the second PHY.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006364 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006365 active_external_phy = EXT_PHY2;
6366 break;
6367 default:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006368 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006369 * Link indication on both PHYs with the following cases
6370 * is invalid:
6371 * - FIRST_PHY means that second phy wasn't initialized,
6372 * hence its link is expected to be down
6373 * - SECOND_PHY means that first phy should not be able
6374 * to link up by itself (using configuration)
6375 * - DEFAULT should be overriden during initialiazation
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006376 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006377 DP(NETIF_MSG_LINK, "Invalid link indication"
6378 "mpc=0x%x. DISABLING LINK !!!\n",
6379 params->multi_phy_config);
6380 ext_phy_link_up = 0;
6381 break;
6382 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006383 }
6384 }
6385 prev_line_speed = vars->line_speed;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006386 /*
6387 * Step 2:
6388 * Read the status of the internal phy. In case of
6389 * DIRECT_SINGLE_MEDIA board, this link is the external link,
6390 * otherwise this is the link between the 577xx and the first
6391 * external phy
6392 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006393 if (params->phy[INT_PHY].read_status)
6394 params->phy[INT_PHY].read_status(
6395 &params->phy[INT_PHY],
6396 params, vars);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006397 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006398 * The INT_PHY flow control reside in the vars. This include the
6399 * case where the speed or flow control are not set to AUTO.
6400 * Otherwise, the active external phy flow control result is set
6401 * to the vars. The ext_phy_line_speed is needed to check if the
6402 * speed is different between the internal phy and external phy.
6403 * This case may be result of intermediate link speed change.
6404 */
6405 if (active_external_phy > INT_PHY) {
6406 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006407 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006408 * Link speed is taken from the XGXS. AN and FC result from
6409 * the external phy.
6410 */
6411 vars->link_status |= phy_vars[active_external_phy].link_status;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006412
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006413 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006414 * if active_external_phy is first PHY and link is up - disable
6415 * disable TX on second external PHY
6416 */
6417 if (active_external_phy == EXT_PHY1) {
6418 if (params->phy[EXT_PHY2].phy_specific_func) {
6419 DP(NETIF_MSG_LINK, "Disabling TX on"
6420 " EXT_PHY2\n");
6421 params->phy[EXT_PHY2].phy_specific_func(
6422 &params->phy[EXT_PHY2],
6423 params, DISABLE_TX);
6424 }
6425 }
6426
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006427 ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
6428 vars->duplex = phy_vars[active_external_phy].duplex;
6429 if (params->phy[active_external_phy].supported &
6430 SUPPORTED_FIBRE)
6431 vars->link_status |= LINK_STATUS_SERDES_LINK;
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00006432 else
6433 vars->link_status &= ~LINK_STATUS_SERDES_LINK;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006434 DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
6435 active_external_phy);
6436 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006437
6438 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6439 phy_index++) {
6440 if (params->phy[phy_index].flags &
6441 FLAGS_REARM_LATCH_SIGNAL) {
6442 bnx2x_rearm_latch_signal(bp, port,
6443 phy_index ==
6444 active_external_phy);
6445 break;
6446 }
6447 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006448 DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
6449 " ext_phy_line_speed = %d\n", vars->flow_ctrl,
6450 vars->link_status, ext_phy_line_speed);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006451 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006452 * Upon link speed change set the NIG into drain mode. Comes to
6453 * deals with possible FIFO glitch due to clk change when speed
6454 * is decreased without link down indicator
6455 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006456
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006457 if (vars->phy_link_up) {
6458 if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
6459 (ext_phy_line_speed != vars->line_speed)) {
6460 DP(NETIF_MSG_LINK, "Internal link speed %d is"
6461 " different than the external"
6462 " link speed %d\n", vars->line_speed,
6463 ext_phy_line_speed);
6464 vars->phy_link_up = 0;
6465 } else if (prev_line_speed != vars->line_speed) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006466 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
6467 0);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006468 msleep(1);
6469 }
6470 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006471
6472 /* anything 10 and over uses the bmac */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006473 link_10g_plus = (vars->line_speed >= SPEED_10000);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006474
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006475 bnx2x_link_int_ack(params, vars, link_10g_plus);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006476
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006477 /*
6478 * In case external phy link is up, and internal link is down
6479 * (not initialized yet probably after link initialization, it
6480 * needs to be initialized.
6481 * Note that after link down-up as result of cable plug, the xgxs
6482 * link would probably become up again without the need
6483 * initialize it
6484 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006485 if (!(SINGLE_MEDIA_DIRECT(params))) {
6486 DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
6487 " init_preceding = %d\n", ext_phy_link_up,
6488 vars->phy_link_up,
6489 params->phy[EXT_PHY1].flags &
6490 FLAGS_INIT_XGXS_FIRST);
6491 if (!(params->phy[EXT_PHY1].flags &
6492 FLAGS_INIT_XGXS_FIRST)
6493 && ext_phy_link_up && !vars->phy_link_up) {
6494 vars->line_speed = ext_phy_line_speed;
6495 if (vars->line_speed < SPEED_1000)
6496 vars->phy_flags |= PHY_SGMII_FLAG;
6497 else
6498 vars->phy_flags &= ~PHY_SGMII_FLAG;
Yaniv Rosnerec146a62011-05-31 21:29:27 +00006499
6500 if (params->phy[INT_PHY].config_init)
6501 params->phy[INT_PHY].config_init(
6502 &params->phy[INT_PHY], params,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006503 vars);
6504 }
6505 }
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006506 /*
6507 * Link is up only if both local phy and external phy (in case of
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006508 * non-direct board) are up and no fault detected on active PHY.
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006509 */
6510 vars->link_up = (vars->phy_link_up &&
6511 (ext_phy_link_up ||
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00006512 SINGLE_MEDIA_DIRECT(params)) &&
6513 (phy_vars[active_external_phy].fault_detected == 0));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006514
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006515 if (vars->link_up)
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00006516 rc = bnx2x_update_link_up(params, vars, link_10g_plus);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006517 else
6518 rc = bnx2x_update_link_down(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006519
6520 return rc;
6521}
6522
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006523
6524/*****************************************************************************/
6525/* External Phy section */
6526/*****************************************************************************/
6527void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006528{
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006529 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006530 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006531 msleep(1);
6532 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006533 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006534}
6535
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006536static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
6537 u32 spirom_ver, u32 ver_addr)
6538{
6539 DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
6540 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
6541
6542 if (ver_addr)
6543 REG_WR(bp, ver_addr, spirom_ver);
6544}
6545
6546static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
6547 struct bnx2x_phy *phy,
6548 u8 port)
6549{
6550 u16 fw_ver1, fw_ver2;
6551
6552 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006553 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006554 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006555 MDIO_PMA_REG_ROM_VER2, &fw_ver2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006556 bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
6557 phy->ver_addr);
6558}
6559
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006560static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
6561 struct bnx2x_phy *phy,
6562 struct link_vars *vars)
6563{
6564 u16 val;
6565 bnx2x_cl45_read(bp, phy,
6566 MDIO_AN_DEVAD,
6567 MDIO_AN_REG_STATUS, &val);
6568 bnx2x_cl45_read(bp, phy,
6569 MDIO_AN_DEVAD,
6570 MDIO_AN_REG_STATUS, &val);
6571 if (val & (1<<5))
6572 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
6573 if ((val & (1<<0)) == 0)
6574 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
6575}
6576
6577/******************************************************************/
6578/* common BCM8073/BCM8727 PHY SECTION */
6579/******************************************************************/
6580static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
6581 struct link_params *params,
6582 struct link_vars *vars)
6583{
6584 struct bnx2x *bp = params->bp;
6585 if (phy->req_line_speed == SPEED_10 ||
6586 phy->req_line_speed == SPEED_100) {
6587 vars->flow_ctrl = phy->req_flow_ctrl;
6588 return;
6589 }
6590
6591 if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
6592 (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
6593 u16 pause_result;
6594 u16 ld_pause; /* local */
6595 u16 lp_pause; /* link partner */
6596 bnx2x_cl45_read(bp, phy,
6597 MDIO_AN_DEVAD,
6598 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
6599
6600 bnx2x_cl45_read(bp, phy,
6601 MDIO_AN_DEVAD,
6602 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
6603 pause_result = (ld_pause &
6604 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
6605 pause_result |= (lp_pause &
6606 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
6607
6608 bnx2x_pause_resolve(vars, pause_result);
6609 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
6610 pause_result);
6611 }
6612}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006613static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
6614 struct bnx2x_phy *phy,
6615 u8 port)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006616{
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00006617 u32 count = 0;
6618 u16 fw_ver1, fw_msgout;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006619 int rc = 0;
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00006620
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006621 /* Boot port from external ROM */
6622 /* EDC grst */
6623 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006624 MDIO_PMA_DEVAD,
6625 MDIO_PMA_REG_GEN_CTRL,
6626 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006627
6628 /* ucode reboot and rst */
6629 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006630 MDIO_PMA_DEVAD,
6631 MDIO_PMA_REG_GEN_CTRL,
6632 0x008c);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006633
6634 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006635 MDIO_PMA_DEVAD,
6636 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006637
6638 /* Reset internal microprocessor */
6639 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006640 MDIO_PMA_DEVAD,
6641 MDIO_PMA_REG_GEN_CTRL,
6642 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006643
6644 /* Release srst bit */
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_RESET_INTERNAL_MP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006649
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00006650 /* Delay 100ms per the PHY specifications */
6651 msleep(100);
6652
6653 /* 8073 sometimes taking longer to download */
6654 do {
6655 count++;
6656 if (count > 300) {
6657 DP(NETIF_MSG_LINK,
6658 "bnx2x_8073_8727_external_rom_boot port %x:"
6659 "Download failed. fw version = 0x%x\n",
6660 port, fw_ver1);
6661 rc = -EINVAL;
6662 break;
6663 }
6664
6665 bnx2x_cl45_read(bp, phy,
6666 MDIO_PMA_DEVAD,
6667 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
6668 bnx2x_cl45_read(bp, phy,
6669 MDIO_PMA_DEVAD,
6670 MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
6671
6672 msleep(1);
6673 } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
6674 ((fw_msgout & 0xff) != 0x03 && (phy->type ==
6675 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006676
6677 /* Clear ser_boot_ctl bit */
6678 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006679 MDIO_PMA_DEVAD,
6680 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006681 bnx2x_save_bcm_spirom_ver(bp, phy, port);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00006682
6683 DP(NETIF_MSG_LINK,
6684 "bnx2x_8073_8727_external_rom_boot port %x:"
6685 "Download complete. fw version = 0x%x\n",
6686 port, fw_ver1);
6687
6688 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006689}
6690
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006691/******************************************************************/
6692/* BCM8073 PHY SECTION */
6693/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006694static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006695{
6696 /* This is only required for 8073A1, version 102 only */
6697 u16 val;
6698
6699 /* Read 8073 HW revision*/
6700 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006701 MDIO_PMA_DEVAD,
6702 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006703
6704 if (val != 1) {
6705 /* No need to workaround in 8073 A1 */
6706 return 0;
6707 }
6708
6709 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006710 MDIO_PMA_DEVAD,
6711 MDIO_PMA_REG_ROM_VER2, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006712
6713 /* SNR should be applied only for version 0x102 */
6714 if (val != 0x102)
6715 return 0;
6716
6717 return 1;
6718}
6719
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006720static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006721{
6722 u16 val, cnt, cnt1 ;
6723
6724 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006725 MDIO_PMA_DEVAD,
6726 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006727
6728 if (val > 0) {
6729 /* No need to workaround in 8073 A1 */
6730 return 0;
6731 }
6732 /* XAUI workaround in 8073 A0: */
6733
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006734 /*
6735 * After loading the boot ROM and restarting Autoneg, poll
6736 * Dev1, Reg $C820:
6737 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006738
6739 for (cnt = 0; cnt < 1000; cnt++) {
6740 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006741 MDIO_PMA_DEVAD,
6742 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
6743 &val);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006744 /*
6745 * If bit [14] = 0 or bit [13] = 0, continue on with
6746 * system initialization (XAUI work-around not required, as
6747 * these bits indicate 2.5G or 1G link up).
6748 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006749 if (!(val & (1<<14)) || !(val & (1<<13))) {
6750 DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
6751 return 0;
6752 } else if (!(val & (1<<15))) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006753 DP(NETIF_MSG_LINK, "bit 15 went off\n");
6754 /*
6755 * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
6756 * MSB (bit15) goes to 1 (indicating that the XAUI
6757 * workaround has completed), then continue on with
6758 * system initialization.
6759 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006760 for (cnt1 = 0; cnt1 < 1000; cnt1++) {
6761 bnx2x_cl45_read(bp, phy,
6762 MDIO_PMA_DEVAD,
6763 MDIO_PMA_REG_8073_XAUI_WA, &val);
6764 if (val & (1<<15)) {
6765 DP(NETIF_MSG_LINK,
6766 "XAUI workaround has completed\n");
6767 return 0;
6768 }
6769 msleep(3);
6770 }
6771 break;
6772 }
6773 msleep(3);
6774 }
6775 DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
6776 return -EINVAL;
6777}
6778
6779static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
6780{
6781 /* Force KR or KX */
6782 bnx2x_cl45_write(bp, phy,
6783 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
6784 bnx2x_cl45_write(bp, phy,
6785 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
6786 bnx2x_cl45_write(bp, phy,
6787 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
6788 bnx2x_cl45_write(bp, phy,
6789 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
6790}
6791
6792static void bnx2x_8073_set_pause_cl37(struct link_params *params,
6793 struct bnx2x_phy *phy,
6794 struct link_vars *vars)
6795{
6796 u16 cl37_val;
6797 struct bnx2x *bp = params->bp;
6798 bnx2x_cl45_read(bp, phy,
6799 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
6800
6801 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
6802 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
6803 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
6804 if ((vars->ieee_fc &
6805 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
6806 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
6807 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
6808 }
6809 if ((vars->ieee_fc &
6810 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
6811 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
6812 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
6813 }
6814 if ((vars->ieee_fc &
6815 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
6816 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
6817 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
6818 }
6819 DP(NETIF_MSG_LINK,
6820 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
6821
6822 bnx2x_cl45_write(bp, phy,
6823 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
6824 msleep(500);
6825}
6826
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006827static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
6828 struct link_params *params,
6829 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006830{
6831 struct bnx2x *bp = params->bp;
6832 u16 val = 0, tmp1;
6833 u8 gpio_port;
6834 DP(NETIF_MSG_LINK, "Init 8073\n");
6835
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006836 if (CHIP_IS_E2(bp))
6837 gpio_port = BP_PATH(bp);
6838 else
6839 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006840 /* Restore normal power mode*/
6841 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006842 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006843
6844 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006845 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006846
6847 /* enable LASI */
6848 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00006849 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006850 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00006851 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006852
6853 bnx2x_8073_set_pause_cl37(params, phy, vars);
6854
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006855 bnx2x_cl45_read(bp, phy,
6856 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
6857
6858 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00006859 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006860
6861 DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
6862
Yaniv Rosner74d7a112011-01-18 04:33:18 +00006863 /* Swap polarity if required - Must be done only in non-1G mode */
6864 if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
6865 /* Configure the 8073 to swap _P and _N of the KR lines */
6866 DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
6867 /* 10G Rx/Tx and 1G Tx signal polarity swap */
6868 bnx2x_cl45_read(bp, phy,
6869 MDIO_PMA_DEVAD,
6870 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
6871 bnx2x_cl45_write(bp, phy,
6872 MDIO_PMA_DEVAD,
6873 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
6874 (val | (3<<9)));
6875 }
6876
6877
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006878 /* Enable CL37 BAM */
Yaniv Rosner121839b2010-11-01 05:32:38 +00006879 if (REG_RD(bp, params->shmem_base +
6880 offsetof(struct shmem_region, dev_info.
6881 port_hw_config[params->port].default_cfg)) &
6882 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006883
Yaniv Rosner121839b2010-11-01 05:32:38 +00006884 bnx2x_cl45_read(bp, phy,
6885 MDIO_AN_DEVAD,
6886 MDIO_AN_REG_8073_BAM, &val);
6887 bnx2x_cl45_write(bp, phy,
6888 MDIO_AN_DEVAD,
6889 MDIO_AN_REG_8073_BAM, val | 1);
6890 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
6891 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006892 if (params->loopback_mode == LOOPBACK_EXT) {
6893 bnx2x_807x_force_10G(bp, phy);
6894 DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
6895 return 0;
6896 } else {
6897 bnx2x_cl45_write(bp, phy,
6898 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
6899 }
6900 if (phy->req_line_speed != SPEED_AUTO_NEG) {
6901 if (phy->req_line_speed == SPEED_10000) {
6902 val = (1<<7);
6903 } else if (phy->req_line_speed == SPEED_2500) {
6904 val = (1<<5);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006905 /*
6906 * Note that 2.5G works only when used with 1G
Lucas De Marchi25985ed2011-03-30 22:57:33 -03006907 * advertisement
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006908 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006909 } else
6910 val = (1<<5);
6911 } else {
6912 val = 0;
6913 if (phy->speed_cap_mask &
6914 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
6915 val |= (1<<7);
6916
Lucas De Marchi25985ed2011-03-30 22:57:33 -03006917 /* Note that 2.5G works only when used with 1G advertisement */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006918 if (phy->speed_cap_mask &
6919 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
6920 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
6921 val |= (1<<5);
6922 DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
6923 }
6924
6925 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
6926 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
6927
6928 if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
6929 (phy->req_line_speed == SPEED_AUTO_NEG)) ||
6930 (phy->req_line_speed == SPEED_2500)) {
6931 u16 phy_ver;
6932 /* Allow 2.5G for A1 and above */
6933 bnx2x_cl45_read(bp, phy,
6934 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
6935 &phy_ver);
6936 DP(NETIF_MSG_LINK, "Add 2.5G\n");
6937 if (phy_ver > 0)
6938 tmp1 |= 1;
6939 else
6940 tmp1 &= 0xfffe;
6941 } else {
6942 DP(NETIF_MSG_LINK, "Disable 2.5G\n");
6943 tmp1 &= 0xfffe;
6944 }
6945
6946 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
6947 /* Add support for CL37 (passive mode) II */
6948
6949 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
6950 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
6951 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
6952 0x20 : 0x40)));
6953
6954 /* Add support for CL37 (passive mode) III */
6955 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
6956
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006957 /*
6958 * The SNR will improve about 2db by changing BW and FEE main
6959 * tap. Rest commands are executed after link is up
6960 * Change FFE main cursor to 5 in EDC register
6961 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006962 if (bnx2x_8073_is_snr_needed(bp, phy))
6963 bnx2x_cl45_write(bp, phy,
6964 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
6965 0xFB0C);
6966
6967 /* Enable FEC (Forware Error Correction) Request in the AN */
6968 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
6969 tmp1 |= (1<<15);
6970 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
6971
6972 bnx2x_ext_phy_set_pause(params, phy, vars);
6973
6974 /* Restart autoneg */
6975 msleep(500);
6976 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
6977 DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
6978 ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
6979 return 0;
6980}
6981
6982static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
6983 struct link_params *params,
6984 struct link_vars *vars)
6985{
6986 struct bnx2x *bp = params->bp;
6987 u8 link_up = 0;
6988 u16 val1, val2;
6989 u16 link_status = 0;
6990 u16 an1000_status = 0;
6991
6992 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00006993 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006994
6995 DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
6996
6997 /* clear the interrupt LASI status register */
6998 bnx2x_cl45_read(bp, phy,
6999 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7000 bnx2x_cl45_read(bp, phy,
7001 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
7002 DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
7003 /* Clear MSG-OUT */
7004 bnx2x_cl45_read(bp, phy,
7005 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
7006
7007 /* Check the LASI */
7008 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00007009 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007010
7011 DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
7012
7013 /* Check the link status */
7014 bnx2x_cl45_read(bp, phy,
7015 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7016 DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
7017
7018 bnx2x_cl45_read(bp, phy,
7019 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7020 bnx2x_cl45_read(bp, phy,
7021 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7022 link_up = ((val1 & 4) == 4);
7023 DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
7024
7025 if (link_up &&
7026 ((phy->req_line_speed != SPEED_10000))) {
7027 if (bnx2x_8073_xaui_wa(bp, phy) != 0)
7028 return 0;
7029 }
7030 bnx2x_cl45_read(bp, phy,
7031 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7032 bnx2x_cl45_read(bp, phy,
7033 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7034
7035 /* Check the link status on 1.1.2 */
7036 bnx2x_cl45_read(bp, phy,
7037 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7038 bnx2x_cl45_read(bp, phy,
7039 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7040 DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
7041 "an_link_status=0x%x\n", val2, val1, an1000_status);
7042
7043 link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
7044 if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007045 /*
7046 * The SNR will improve about 2dbby changing the BW and FEE main
7047 * tap. The 1st write to change FFE main tap is set before
7048 * restart AN. Change PLL Bandwidth in EDC register
7049 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007050 bnx2x_cl45_write(bp, phy,
7051 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
7052 0x26BC);
7053
7054 /* Change CDR Bandwidth in EDC register */
7055 bnx2x_cl45_write(bp, phy,
7056 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
7057 0x0333);
7058 }
7059 bnx2x_cl45_read(bp, phy,
7060 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7061 &link_status);
7062
7063 /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
7064 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
7065 link_up = 1;
7066 vars->line_speed = SPEED_10000;
7067 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
7068 params->port);
7069 } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
7070 link_up = 1;
7071 vars->line_speed = SPEED_2500;
7072 DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
7073 params->port);
7074 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
7075 link_up = 1;
7076 vars->line_speed = SPEED_1000;
7077 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
7078 params->port);
7079 } else {
7080 link_up = 0;
7081 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
7082 params->port);
7083 }
7084
7085 if (link_up) {
Yaniv Rosner74d7a112011-01-18 04:33:18 +00007086 /* Swap polarity if required */
7087 if (params->lane_config &
7088 PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7089 /* Configure the 8073 to swap P and N of the KR lines */
7090 bnx2x_cl45_read(bp, phy,
7091 MDIO_XS_DEVAD,
7092 MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007093 /*
7094 * Set bit 3 to invert Rx in 1G mode and clear this bit
7095 * when it`s in 10G mode.
7096 */
Yaniv Rosner74d7a112011-01-18 04:33:18 +00007097 if (vars->line_speed == SPEED_1000) {
7098 DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
7099 "the 8073\n");
7100 val1 |= (1<<3);
7101 } else
7102 val1 &= ~(1<<3);
7103
7104 bnx2x_cl45_write(bp, phy,
7105 MDIO_XS_DEVAD,
7106 MDIO_XS_REG_8073_RX_CTRL_PCIE,
7107 val1);
7108 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007109 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7110 bnx2x_8073_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00007111 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007112 }
7113 return link_up;
7114}
7115
7116static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
7117 struct link_params *params)
7118{
7119 struct bnx2x *bp = params->bp;
7120 u8 gpio_port;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007121 if (CHIP_IS_E2(bp))
7122 gpio_port = BP_PATH(bp);
7123 else
7124 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007125 DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
7126 gpio_port);
7127 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007128 MISC_REGISTERS_GPIO_OUTPUT_LOW,
7129 gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007130}
7131
7132/******************************************************************/
7133/* BCM8705 PHY SECTION */
7134/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007135static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
7136 struct link_params *params,
7137 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007138{
7139 struct bnx2x *bp = params->bp;
7140 DP(NETIF_MSG_LINK, "init 8705\n");
7141 /* Restore normal power mode*/
7142 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007143 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007144 /* HW reset */
7145 bnx2x_ext_phy_hw_reset(bp, params->port);
7146 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00007147 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007148
7149 bnx2x_cl45_write(bp, phy,
7150 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
7151 bnx2x_cl45_write(bp, phy,
7152 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
7153 bnx2x_cl45_write(bp, phy,
7154 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
7155 bnx2x_cl45_write(bp, phy,
7156 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
7157 /* BCM8705 doesn't have microcode, hence the 0 */
7158 bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
7159 return 0;
7160}
7161
7162static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
7163 struct link_params *params,
7164 struct link_vars *vars)
7165{
7166 u8 link_up = 0;
7167 u16 val1, rx_sd;
7168 struct bnx2x *bp = params->bp;
7169 DP(NETIF_MSG_LINK, "read status 8705\n");
7170 bnx2x_cl45_read(bp, phy,
7171 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7172 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7173
7174 bnx2x_cl45_read(bp, phy,
7175 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7176 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7177
7178 bnx2x_cl45_read(bp, phy,
7179 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7180
7181 bnx2x_cl45_read(bp, phy,
7182 MDIO_PMA_DEVAD, 0xc809, &val1);
7183 bnx2x_cl45_read(bp, phy,
7184 MDIO_PMA_DEVAD, 0xc809, &val1);
7185
7186 DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
7187 link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
7188 if (link_up) {
7189 vars->line_speed = SPEED_10000;
7190 bnx2x_ext_phy_resolve_fc(phy, params, vars);
7191 }
7192 return link_up;
7193}
7194
7195/******************************************************************/
7196/* SFP+ module Section */
7197/******************************************************************/
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007198static u8 bnx2x_get_gpio_port(struct link_params *params)
7199{
7200 u8 gpio_port;
7201 u32 swap_val, swap_override;
7202 struct bnx2x *bp = params->bp;
7203 if (CHIP_IS_E2(bp))
7204 gpio_port = BP_PATH(bp);
7205 else
7206 gpio_port = params->port;
7207 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7208 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7209 return gpio_port ^ (swap_val && swap_override);
7210}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007211
7212static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
7213 struct bnx2x_phy *phy,
7214 u8 tx_en)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007215{
7216 u16 val;
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007217 u8 port = params->port;
7218 struct bnx2x *bp = params->bp;
7219 u32 tx_en_mode;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007220
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007221 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007222 tx_en_mode = REG_RD(bp, params->shmem_base +
7223 offsetof(struct shmem_region,
7224 dev_info.port_hw_config[port].sfp_ctrl)) &
7225 PORT_HW_CFG_TX_LASER_MASK;
7226 DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
7227 "mode = %x\n", tx_en, port, tx_en_mode);
7228 switch (tx_en_mode) {
7229 case PORT_HW_CFG_TX_LASER_MDIO:
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007230
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007231 bnx2x_cl45_read(bp, phy,
7232 MDIO_PMA_DEVAD,
7233 MDIO_PMA_REG_PHY_IDENTIFIER,
7234 &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007235
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007236 if (tx_en)
7237 val &= ~(1<<15);
7238 else
7239 val |= (1<<15);
7240
7241 bnx2x_cl45_write(bp, phy,
7242 MDIO_PMA_DEVAD,
7243 MDIO_PMA_REG_PHY_IDENTIFIER,
7244 val);
7245 break;
7246 case PORT_HW_CFG_TX_LASER_GPIO0:
7247 case PORT_HW_CFG_TX_LASER_GPIO1:
7248 case PORT_HW_CFG_TX_LASER_GPIO2:
7249 case PORT_HW_CFG_TX_LASER_GPIO3:
7250 {
7251 u16 gpio_pin;
7252 u8 gpio_port, gpio_mode;
7253 if (tx_en)
7254 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
7255 else
7256 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
7257
7258 gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
7259 gpio_port = bnx2x_get_gpio_port(params);
7260 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7261 break;
7262 }
7263 default:
7264 DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
7265 break;
7266 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007267}
7268
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007269static void bnx2x_sfp_set_transmitter(struct link_params *params,
7270 struct bnx2x_phy *phy,
7271 u8 tx_en)
7272{
7273 struct bnx2x *bp = params->bp;
7274 DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
7275 if (CHIP_IS_E3(bp))
7276 bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
7277 else
7278 bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
7279}
7280
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007281static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7282 struct link_params *params,
7283 u16 addr, u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007284{
7285 struct bnx2x *bp = params->bp;
7286 u16 val = 0;
7287 u16 i;
7288 if (byte_cnt > 16) {
7289 DP(NETIF_MSG_LINK, "Reading from eeprom is"
7290 " is limited to 0xf\n");
7291 return -EINVAL;
7292 }
7293 /* Set the read command byte count */
7294 bnx2x_cl45_write(bp, phy,
7295 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007296 (byte_cnt | 0xa000));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007297
7298 /* Set the read command address */
7299 bnx2x_cl45_write(bp, phy,
7300 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007301 addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007302
7303 /* Activate read command */
7304 bnx2x_cl45_write(bp, phy,
7305 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007306 0x2c0f);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007307
7308 /* Wait up to 500us for command complete status */
7309 for (i = 0; i < 100; i++) {
7310 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007311 MDIO_PMA_DEVAD,
7312 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007313 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7314 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7315 break;
7316 udelay(5);
7317 }
7318
7319 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7320 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7321 DP(NETIF_MSG_LINK,
7322 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7323 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7324 return -EINVAL;
7325 }
7326
7327 /* Read the buffer */
7328 for (i = 0; i < byte_cnt; i++) {
7329 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007330 MDIO_PMA_DEVAD,
7331 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007332 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7333 }
7334
7335 for (i = 0; i < 100; i++) {
7336 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007337 MDIO_PMA_DEVAD,
7338 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007339 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7340 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
Joe Perches6f38ad92010-11-14 17:04:31 +00007341 return 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007342 msleep(1);
7343 }
7344 return -EINVAL;
7345}
7346
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007347static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7348 struct link_params *params,
7349 u16 addr, u8 byte_cnt,
7350 u8 *o_buf)
7351{
7352 int rc = 0;
7353 u8 i, j = 0, cnt = 0;
7354 u32 data_array[4];
7355 u16 addr32;
7356 struct bnx2x *bp = params->bp;
7357 /*DP(NETIF_MSG_LINK, "bnx2x_direct_read_sfp_module_eeprom:"
7358 " addr %d, cnt %d\n",
7359 addr, byte_cnt);*/
7360 if (byte_cnt > 16) {
7361 DP(NETIF_MSG_LINK, "Reading from eeprom is"
7362 " is limited to 16 bytes\n");
7363 return -EINVAL;
7364 }
7365
7366 /* 4 byte aligned address */
7367 addr32 = addr & (~0x3);
7368 do {
7369 rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
7370 data_array);
7371 } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
7372
7373 if (rc == 0) {
7374 for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
7375 o_buf[j] = *((u8 *)data_array + i);
7376 j++;
7377 }
7378 }
7379
7380 return rc;
7381}
7382
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007383static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7384 struct link_params *params,
7385 u16 addr, u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007386{
7387 struct bnx2x *bp = params->bp;
7388 u16 val, i;
7389
7390 if (byte_cnt > 16) {
7391 DP(NETIF_MSG_LINK, "Reading from eeprom is"
7392 " is limited to 0xf\n");
7393 return -EINVAL;
7394 }
7395
7396 /* Need to read from 1.8000 to clear it */
7397 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007398 MDIO_PMA_DEVAD,
7399 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7400 &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007401
7402 /* Set the read command byte count */
7403 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007404 MDIO_PMA_DEVAD,
7405 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7406 ((byte_cnt < 2) ? 2 : byte_cnt));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007407
7408 /* Set the read command address */
7409 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007410 MDIO_PMA_DEVAD,
7411 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7412 addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007413 /* Set the destination address */
7414 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007415 MDIO_PMA_DEVAD,
7416 0x8004,
7417 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007418
7419 /* Activate read command */
7420 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007421 MDIO_PMA_DEVAD,
7422 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7423 0x8002);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007424 /*
7425 * Wait appropriate time for two-wire command to finish before
7426 * polling the status register
7427 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007428 msleep(1);
7429
7430 /* Wait up to 500us for command complete status */
7431 for (i = 0; i < 100; i++) {
7432 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007433 MDIO_PMA_DEVAD,
7434 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007435 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7436 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7437 break;
7438 udelay(5);
7439 }
7440
7441 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7442 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7443 DP(NETIF_MSG_LINK,
7444 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7445 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
Yaniv Rosner65a001b2011-01-31 04:22:03 +00007446 return -EFAULT;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007447 }
7448
7449 /* Read the buffer */
7450 for (i = 0; i < byte_cnt; i++) {
7451 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007452 MDIO_PMA_DEVAD,
7453 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007454 o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
7455 }
7456
7457 for (i = 0; i < 100; i++) {
7458 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007459 MDIO_PMA_DEVAD,
7460 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007461 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7462 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
Joe Perches6f38ad92010-11-14 17:04:31 +00007463 return 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007464 msleep(1);
7465 }
7466
7467 return -EINVAL;
7468}
7469
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007470int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7471 struct link_params *params, u16 addr,
7472 u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007473{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007474 int rc = -EINVAL;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007475 switch (phy->type) {
7476 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
7477 rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
7478 byte_cnt, o_buf);
7479 break;
7480 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
7481 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
7482 rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
7483 byte_cnt, o_buf);
7484 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007485 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7486 rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
7487 byte_cnt, o_buf);
7488 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007489 }
7490 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007491}
7492
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007493static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
7494 struct link_params *params,
7495 u16 *edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007496{
7497 struct bnx2x *bp = params->bp;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007498 u32 sync_offset = 0, phy_idx, media_types;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007499 u8 val, check_limiting_mode = 0;
7500 *edc_mode = EDC_MODE_LIMITING;
7501
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007502 phy->media_type = ETH_PHY_UNSPECIFIED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007503 /* First check for copper cable */
7504 if (bnx2x_read_sfp_module_eeprom(phy,
7505 params,
7506 SFP_EEPROM_CON_TYPE_ADDR,
7507 1,
7508 &val) != 0) {
7509 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
7510 return -EINVAL;
7511 }
7512
7513 switch (val) {
7514 case SFP_EEPROM_CON_TYPE_VAL_COPPER:
7515 {
7516 u8 copper_module_type;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007517 phy->media_type = ETH_PHY_DA_TWINAX;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007518 /*
7519 * Check if its active cable (includes SFP+ module)
7520 * of passive cable
7521 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007522 if (bnx2x_read_sfp_module_eeprom(phy,
7523 params,
7524 SFP_EEPROM_FC_TX_TECH_ADDR,
7525 1,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007526 &copper_module_type) != 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007527 DP(NETIF_MSG_LINK,
7528 "Failed to read copper-cable-type"
7529 " from SFP+ EEPROM\n");
7530 return -EINVAL;
7531 }
7532
7533 if (copper_module_type &
7534 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
7535 DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
7536 check_limiting_mode = 1;
7537 } else if (copper_module_type &
7538 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
7539 DP(NETIF_MSG_LINK, "Passive Copper"
7540 " cable detected\n");
7541 *edc_mode =
7542 EDC_MODE_PASSIVE_DAC;
7543 } else {
7544 DP(NETIF_MSG_LINK, "Unknown copper-cable-"
7545 "type 0x%x !!!\n", copper_module_type);
7546 return -EINVAL;
7547 }
7548 break;
7549 }
7550 case SFP_EEPROM_CON_TYPE_VAL_LC:
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007551 phy->media_type = ETH_PHY_SFP_FIBER;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007552 DP(NETIF_MSG_LINK, "Optic module detected\n");
7553 check_limiting_mode = 1;
7554 break;
7555 default:
7556 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
7557 val);
7558 return -EINVAL;
7559 }
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007560 sync_offset = params->shmem_base +
7561 offsetof(struct shmem_region,
7562 dev_info.port_hw_config[params->port].media_type);
7563 media_types = REG_RD(bp, sync_offset);
7564 /* Update media type for non-PMF sync */
7565 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
7566 if (&(params->phy[phy_idx]) == phy) {
7567 media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
7568 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
7569 media_types |= ((phy->media_type &
7570 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
7571 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
7572 break;
7573 }
7574 }
7575 REG_WR(bp, sync_offset, media_types);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007576 if (check_limiting_mode) {
7577 u8 options[SFP_EEPROM_OPTIONS_SIZE];
7578 if (bnx2x_read_sfp_module_eeprom(phy,
7579 params,
7580 SFP_EEPROM_OPTIONS_ADDR,
7581 SFP_EEPROM_OPTIONS_SIZE,
7582 options) != 0) {
7583 DP(NETIF_MSG_LINK, "Failed to read Option"
7584 " field from module EEPROM\n");
7585 return -EINVAL;
7586 }
7587 if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
7588 *edc_mode = EDC_MODE_LINEAR;
7589 else
7590 *edc_mode = EDC_MODE_LIMITING;
7591 }
7592 DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
7593 return 0;
7594}
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007595/*
7596 * This function read the relevant field from the module (SFP+), and verify it
7597 * is compliant with this board
7598 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007599static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
7600 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007601{
7602 struct bnx2x *bp = params->bp;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007603 u32 val, cmd;
7604 u32 fw_resp, fw_cmd_param;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007605 char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
7606 char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007607 phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007608 val = REG_RD(bp, params->shmem_base +
7609 offsetof(struct shmem_region, dev_info.
7610 port_feature_config[params->port].config));
7611 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
7612 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
7613 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
7614 return 0;
7615 }
7616
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007617 if (params->feature_config_flags &
7618 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
7619 /* Use specific phy request */
7620 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
7621 } else if (params->feature_config_flags &
7622 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
7623 /* Use first phy request only in case of non-dual media*/
7624 if (DUAL_MEDIA(params)) {
7625 DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
7626 "verification\n");
7627 return -EINVAL;
7628 }
7629 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
7630 } else {
7631 /* No support in OPT MDL detection */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007632 DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007633 "verification\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007634 return -EINVAL;
7635 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007636
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007637 fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
7638 fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007639 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
7640 DP(NETIF_MSG_LINK, "Approved module\n");
7641 return 0;
7642 }
7643
7644 /* format the warning message */
7645 if (bnx2x_read_sfp_module_eeprom(phy,
7646 params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007647 SFP_EEPROM_VENDOR_NAME_ADDR,
7648 SFP_EEPROM_VENDOR_NAME_SIZE,
7649 (u8 *)vendor_name))
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007650 vendor_name[0] = '\0';
7651 else
7652 vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
7653 if (bnx2x_read_sfp_module_eeprom(phy,
7654 params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007655 SFP_EEPROM_PART_NO_ADDR,
7656 SFP_EEPROM_PART_NO_SIZE,
7657 (u8 *)vendor_pn))
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007658 vendor_pn[0] = '\0';
7659 else
7660 vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
7661
Yaniv Rosner6d870c32011-01-31 04:22:20 +00007662 netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
7663 " Port %d from %s part number %s\n",
7664 params->port, vendor_name, vendor_pn);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007665 phy->flags |= FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007666 return -EINVAL;
7667}
7668
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007669static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
7670 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007671
7672{
7673 u8 val;
7674 struct bnx2x *bp = params->bp;
7675 u16 timeout;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007676 /*
7677 * Initialization time after hot-plug may take up to 300ms for
7678 * some phys type ( e.g. JDSU )
7679 */
7680
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007681 for (timeout = 0; timeout < 60; timeout++) {
7682 if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
7683 == 0) {
7684 DP(NETIF_MSG_LINK, "SFP+ module initialization "
7685 "took %d ms\n", timeout * 5);
7686 return 0;
7687 }
7688 msleep(5);
7689 }
7690 return -EINVAL;
7691}
7692
7693static void bnx2x_8727_power_module(struct bnx2x *bp,
7694 struct bnx2x_phy *phy,
7695 u8 is_power_up) {
7696 /* Make sure GPIOs are not using for LED mode */
7697 u16 val;
7698 /*
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007699 * In the GPIO register, bit 4 is use to determine if the GPIOs are
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007700 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
7701 * output
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007702 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
7703 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007704 * where the 1st bit is the over-current(only input), and 2nd bit is
7705 * for power( only output )
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007706 *
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007707 * In case of NOC feature is disabled and power is up, set GPIO control
7708 * as input to enable listening of over-current indication
7709 */
7710 if (phy->flags & FLAGS_NOC)
7711 return;
Yaniv Rosner27d02432011-05-31 21:27:48 +00007712 if (is_power_up)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007713 val = (1<<4);
7714 else
7715 /*
7716 * Set GPIO control to OUTPUT, and set the power bit
7717 * to according to the is_power_up
7718 */
Yaniv Rosner27d02432011-05-31 21:27:48 +00007719 val = (1<<1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007720
7721 bnx2x_cl45_write(bp, phy,
7722 MDIO_PMA_DEVAD,
7723 MDIO_PMA_REG_8727_GPIO_CTRL,
7724 val);
7725}
7726
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007727static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
7728 struct bnx2x_phy *phy,
7729 u16 edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007730{
7731 u16 cur_limiting_mode;
7732
7733 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007734 MDIO_PMA_DEVAD,
7735 MDIO_PMA_REG_ROM_VER2,
7736 &cur_limiting_mode);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007737 DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
7738 cur_limiting_mode);
7739
7740 if (edc_mode == EDC_MODE_LIMITING) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007741 DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007742 bnx2x_cl45_write(bp, phy,
7743 MDIO_PMA_DEVAD,
7744 MDIO_PMA_REG_ROM_VER2,
7745 EDC_MODE_LIMITING);
7746 } else { /* LRM mode ( default )*/
7747
7748 DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
7749
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007750 /*
7751 * Changing to LRM mode takes quite few seconds. So do it only
7752 * if current mode is limiting (default is LRM)
7753 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007754 if (cur_limiting_mode != EDC_MODE_LIMITING)
7755 return 0;
7756
7757 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007758 MDIO_PMA_DEVAD,
7759 MDIO_PMA_REG_LRM_MODE,
7760 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007761 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007762 MDIO_PMA_DEVAD,
7763 MDIO_PMA_REG_ROM_VER2,
7764 0x128);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007765 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007766 MDIO_PMA_DEVAD,
7767 MDIO_PMA_REG_MISC_CTRL0,
7768 0x4008);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007769 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007770 MDIO_PMA_DEVAD,
7771 MDIO_PMA_REG_LRM_MODE,
7772 0xaaaa);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007773 }
7774 return 0;
7775}
7776
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007777static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
7778 struct bnx2x_phy *phy,
7779 u16 edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007780{
7781 u16 phy_identifier;
7782 u16 rom_ver2_val;
7783 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007784 MDIO_PMA_DEVAD,
7785 MDIO_PMA_REG_PHY_IDENTIFIER,
7786 &phy_identifier);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007787
7788 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007789 MDIO_PMA_DEVAD,
7790 MDIO_PMA_REG_PHY_IDENTIFIER,
7791 (phy_identifier & ~(1<<9)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007792
7793 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007794 MDIO_PMA_DEVAD,
7795 MDIO_PMA_REG_ROM_VER2,
7796 &rom_ver2_val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007797 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
7798 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007799 MDIO_PMA_DEVAD,
7800 MDIO_PMA_REG_ROM_VER2,
7801 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007802
7803 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007804 MDIO_PMA_DEVAD,
7805 MDIO_PMA_REG_PHY_IDENTIFIER,
7806 (phy_identifier | (1<<9)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007807
7808 return 0;
7809}
7810
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007811static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
7812 struct link_params *params,
7813 u32 action)
7814{
7815 struct bnx2x *bp = params->bp;
7816
7817 switch (action) {
7818 case DISABLE_TX:
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007819 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007820 break;
7821 case ENABLE_TX:
7822 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007823 bnx2x_sfp_set_transmitter(params, phy, 1);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007824 break;
7825 default:
7826 DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
7827 action);
7828 return;
7829 }
7830}
7831
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007832static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00007833 u8 gpio_mode)
7834{
7835 struct bnx2x *bp = params->bp;
7836
7837 u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
7838 offsetof(struct shmem_region,
7839 dev_info.port_hw_config[params->port].sfp_ctrl)) &
7840 PORT_HW_CFG_FAULT_MODULE_LED_MASK;
7841 switch (fault_led_gpio) {
7842 case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
7843 return;
7844 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
7845 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
7846 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
7847 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
7848 {
7849 u8 gpio_port = bnx2x_get_gpio_port(params);
7850 u16 gpio_pin = fault_led_gpio -
7851 PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
7852 DP(NETIF_MSG_LINK, "Set fault module-detected led "
7853 "pin %x port %x mode %x\n",
7854 gpio_pin, gpio_port, gpio_mode);
7855 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7856 }
7857 break;
7858 default:
7859 DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
7860 fault_led_gpio);
7861 }
7862}
7863
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007864static void bnx2x_set_e3_module_fault_led(struct link_params *params,
7865 u8 gpio_mode)
7866{
7867 u32 pin_cfg;
7868 u8 port = params->port;
7869 struct bnx2x *bp = params->bp;
7870 pin_cfg = (REG_RD(bp, params->shmem_base +
7871 offsetof(struct shmem_region,
7872 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
7873 PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
7874 PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
7875 DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
7876 gpio_mode, pin_cfg);
7877 bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
7878}
7879
7880static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
7881 u8 gpio_mode)
7882{
7883 struct bnx2x *bp = params->bp;
7884 DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
7885 if (CHIP_IS_E3(bp)) {
7886 /*
7887 * Low ==> if SFP+ module is supported otherwise
7888 * High ==> if SFP+ module is not on the approved vendor list
7889 */
7890 bnx2x_set_e3_module_fault_led(params, gpio_mode);
7891 } else
7892 bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
7893}
7894
7895static void bnx2x_warpcore_power_module(struct link_params *params,
7896 struct bnx2x_phy *phy,
7897 u8 power)
7898{
7899 u32 pin_cfg;
7900 struct bnx2x *bp = params->bp;
7901
7902 pin_cfg = (REG_RD(bp, params->shmem_base +
7903 offsetof(struct shmem_region,
7904 dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
7905 PORT_HW_CFG_E3_PWR_DIS_MASK) >>
7906 PORT_HW_CFG_E3_PWR_DIS_SHIFT;
7907 DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
7908 power, pin_cfg);
7909 /*
7910 * Low ==> corresponding SFP+ module is powered
7911 * high ==> the SFP+ module is powered down
7912 */
7913 bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
7914}
7915
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007916static void bnx2x_power_sfp_module(struct link_params *params,
7917 struct bnx2x_phy *phy,
7918 u8 power)
7919{
7920 struct bnx2x *bp = params->bp;
7921 DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
7922
7923 switch (phy->type) {
7924 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
7925 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
7926 bnx2x_8727_power_module(params->bp, phy, power);
7927 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007928 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7929 bnx2x_warpcore_power_module(params, phy, power);
7930 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007931 default:
7932 break;
7933 }
7934}
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007935static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
7936 struct bnx2x_phy *phy,
7937 u16 edc_mode)
7938{
7939 u16 val = 0;
7940 u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
7941 struct bnx2x *bp = params->bp;
7942
7943 u8 lane = bnx2x_get_warpcore_lane(phy, params);
7944 /* This is a global register which controls all lanes */
7945 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
7946 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
7947 val &= ~(0xf << (lane << 2));
7948
7949 switch (edc_mode) {
7950 case EDC_MODE_LINEAR:
7951 case EDC_MODE_LIMITING:
7952 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
7953 break;
7954 case EDC_MODE_PASSIVE_DAC:
7955 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
7956 break;
7957 default:
7958 break;
7959 }
7960
7961 val |= (mode << (lane << 2));
7962 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
7963 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
7964 /* A must read */
7965 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
7966 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
7967
7968
7969}
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007970
7971static void bnx2x_set_limiting_mode(struct link_params *params,
7972 struct bnx2x_phy *phy,
7973 u16 edc_mode)
7974{
7975 switch (phy->type) {
7976 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
7977 bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
7978 break;
7979 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
7980 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
7981 bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
7982 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00007983 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7984 bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
7985 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007986 }
7987}
7988
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007989int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
7990 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007991{
7992 struct bnx2x *bp = params->bp;
7993 u16 edc_mode;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007994 int rc = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007995
7996 u32 val = REG_RD(bp, params->shmem_base +
7997 offsetof(struct shmem_region, dev_info.
7998 port_feature_config[params->port].config));
7999
8000 DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
8001 params->port);
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008002 /* Power up module */
8003 bnx2x_power_sfp_module(params, phy, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008004 if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
8005 DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
8006 return -EINVAL;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008007 } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008008 /* check SFP+ module compatibility */
8009 DP(NETIF_MSG_LINK, "Module verification failed!!\n");
8010 rc = -EINVAL;
8011 /* Turn on fault module-detected led */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008012 bnx2x_set_sfp_module_fault_led(params,
8013 MISC_REGISTERS_GPIO_HIGH);
8014
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008015 /* Check if need to power down the SFP+ module */
8016 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8017 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008018 DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008019 bnx2x_power_sfp_module(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008020 return rc;
8021 }
8022 } else {
8023 /* Turn off fault module-detected led */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008024 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008025 }
8026
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008027 /*
8028 * Check and set limiting mode / LRM mode on 8726. On 8727 it
8029 * is done automatically
8030 */
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008031 bnx2x_set_limiting_mode(params, phy, edc_mode);
8032
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008033 /*
8034 * Enable transmit for this module if the module is approved, or
8035 * if unapproved modules should also enable the Tx laser
8036 */
8037 if (rc == 0 ||
8038 (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8039 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008040 bnx2x_sfp_set_transmitter(params, phy, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008041 else
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008042 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008043
8044 return rc;
8045}
8046
8047void bnx2x_handle_module_detect_int(struct link_params *params)
8048{
8049 struct bnx2x *bp = params->bp;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008050 struct bnx2x_phy *phy;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008051 u32 gpio_val;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008052 u8 gpio_num, gpio_port;
8053 if (CHIP_IS_E3(bp))
8054 phy = &params->phy[INT_PHY];
8055 else
8056 phy = &params->phy[EXT_PHY1];
8057
8058 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
8059 params->port, &gpio_num, &gpio_port) ==
8060 -EINVAL) {
8061 DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
8062 return;
8063 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008064
8065 /* Set valid module led off */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008066 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008067
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008068 /* Get current gpio val reflecting module plugged in / out*/
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008069 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008070
8071 /* Call the handling function in case module is detected */
8072 if (gpio_val == 0) {
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008073 bnx2x_power_sfp_module(params, phy, 1);
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008074 bnx2x_set_gpio_int(bp, gpio_num,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008075 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008076 gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008077 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
8078 bnx2x_sfp_module_detection(phy, params);
8079 else
8080 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
8081 } else {
8082 u32 val = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008083 offsetof(struct shmem_region, dev_info.
8084 port_feature_config[params->port].
8085 config));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008086
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008087 bnx2x_set_gpio_int(bp, gpio_num,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008088 MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00008089 gpio_port);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008090 /*
8091 * Module was plugged out.
8092 * Disable transmit for this module
8093 */
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00008094 phy->media_type = ETH_PHY_NOT_PRESENT;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008095 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8096 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008097 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008098 }
8099}
8100
8101/******************************************************************/
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008102/* Used by 8706 and 8727 */
8103/******************************************************************/
8104static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
8105 struct bnx2x_phy *phy,
8106 u16 alarm_status_offset,
8107 u16 alarm_ctrl_offset)
8108{
8109 u16 alarm_status, val;
8110 bnx2x_cl45_read(bp, phy,
8111 MDIO_PMA_DEVAD, alarm_status_offset,
8112 &alarm_status);
8113 bnx2x_cl45_read(bp, phy,
8114 MDIO_PMA_DEVAD, alarm_status_offset,
8115 &alarm_status);
8116 /* Mask or enable the fault event. */
8117 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
8118 if (alarm_status & (1<<0))
8119 val &= ~(1<<0);
8120 else
8121 val |= (1<<0);
8122 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
8123}
8124/******************************************************************/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008125/* common BCM8706/BCM8726 PHY SECTION */
8126/******************************************************************/
8127static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
8128 struct link_params *params,
8129 struct link_vars *vars)
8130{
8131 u8 link_up = 0;
8132 u16 val1, val2, rx_sd, pcs_status;
8133 struct bnx2x *bp = params->bp;
8134 DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
8135 /* Clear RX Alarm*/
8136 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008137 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008138
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008139 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8140 MDIO_PMA_LASI_TXCTRL);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008141
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008142 /* clear LASI indication*/
8143 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008144 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008145 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008146 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008147 DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8148
8149 bnx2x_cl45_read(bp, phy,
8150 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8151 bnx2x_cl45_read(bp, phy,
8152 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
8153 bnx2x_cl45_read(bp, phy,
8154 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8155 bnx2x_cl45_read(bp, phy,
8156 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8157
8158 DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
8159 " link_status 0x%x\n", rx_sd, pcs_status, val2);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008160 /*
8161 * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
8162 * are set, or if the autoneg bit 1 is set
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008163 */
8164 link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
8165 if (link_up) {
8166 if (val2 & (1<<1))
8167 vars->line_speed = SPEED_1000;
8168 else
8169 vars->line_speed = SPEED_10000;
8170 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00008171 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008172 }
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008173
8174 /* Capture 10G link fault. Read twice to clear stale value. */
8175 if (vars->line_speed == SPEED_10000) {
8176 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008177 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008178 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008179 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008180 if (val1 & (1<<0))
8181 vars->fault_detected = 1;
8182 }
8183
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008184 return link_up;
8185}
8186
8187/******************************************************************/
8188/* BCM8706 PHY SECTION */
8189/******************************************************************/
8190static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
8191 struct link_params *params,
8192 struct link_vars *vars)
8193{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008194 u32 tx_en_mode;
8195 u16 cnt, val, tmp1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008196 struct bnx2x *bp = params->bp;
Yaniv Rosner3deb8162011-06-14 01:34:33 +00008197
8198 /* SPF+ PHY: Set flag to check for Tx error */
8199 vars->phy_flags = PHY_TX_ERROR_CHECK_FLAG;
8200
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008201 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008202 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008203 /* HW reset */
8204 bnx2x_ext_phy_hw_reset(bp, params->port);
8205 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00008206 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008207
8208 /* Wait until fw is loaded */
8209 for (cnt = 0; cnt < 100; cnt++) {
8210 bnx2x_cl45_read(bp, phy,
8211 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
8212 if (val)
8213 break;
8214 msleep(10);
8215 }
8216 DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
8217 if ((params->feature_config_flags &
8218 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8219 u8 i;
8220 u16 reg;
8221 for (i = 0; i < 4; i++) {
8222 reg = MDIO_XS_8706_REG_BANK_RX0 +
8223 i*(MDIO_XS_8706_REG_BANK_RX1 -
8224 MDIO_XS_8706_REG_BANK_RX0);
8225 bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
8226 /* Clear first 3 bits of the control */
8227 val &= ~0x7;
8228 /* Set control bits according to configuration */
8229 val |= (phy->rx_preemphasis[i] & 0x7);
8230 DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
8231 " reg 0x%x <-- val 0x%x\n", reg, val);
8232 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
8233 }
8234 }
8235 /* Force speed */
8236 if (phy->req_line_speed == SPEED_10000) {
8237 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
8238
8239 bnx2x_cl45_write(bp, phy,
8240 MDIO_PMA_DEVAD,
8241 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
8242 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008243 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008244 0);
8245 /* Arm LASI for link and Tx fault. */
8246 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008247 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008248 } else {
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008249 /* Force 1Gbps using autoneg with 1G advertisement */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008250
8251 /* Allow CL37 through CL73 */
8252 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
8253 bnx2x_cl45_write(bp, phy,
8254 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8255
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008256 /* Enable Full-Duplex advertisement on CL37 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008257 bnx2x_cl45_write(bp, phy,
8258 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
8259 /* Enable CL37 AN */
8260 bnx2x_cl45_write(bp, phy,
8261 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8262 /* 1G support */
8263 bnx2x_cl45_write(bp, phy,
8264 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
8265
8266 /* Enable clause 73 AN */
8267 bnx2x_cl45_write(bp, phy,
8268 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8269 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008270 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008271 0x0400);
8272 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008273 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008274 0x0004);
8275 }
8276 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008277
8278 /*
8279 * If TX Laser is controlled by GPIO_0, do not let PHY go into low
8280 * power mode, if TX Laser is disabled
8281 */
8282
8283 tx_en_mode = REG_RD(bp, params->shmem_base +
8284 offsetof(struct shmem_region,
8285 dev_info.port_hw_config[params->port].sfp_ctrl))
8286 & PORT_HW_CFG_TX_LASER_MASK;
8287
8288 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8289 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8290 bnx2x_cl45_read(bp, phy,
8291 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
8292 tmp1 |= 0x1;
8293 bnx2x_cl45_write(bp, phy,
8294 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
8295 }
8296
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008297 return 0;
8298}
8299
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008300static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
8301 struct link_params *params,
8302 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008303{
8304 return bnx2x_8706_8726_read_status(phy, params, vars);
8305}
8306
8307/******************************************************************/
8308/* BCM8726 PHY SECTION */
8309/******************************************************************/
8310static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
8311 struct link_params *params)
8312{
8313 struct bnx2x *bp = params->bp;
8314 DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
8315 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
8316}
8317
8318static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
8319 struct link_params *params)
8320{
8321 struct bnx2x *bp = params->bp;
8322 /* Need to wait 100ms after reset */
8323 msleep(100);
8324
8325 /* Micro controller re-boot */
8326 bnx2x_cl45_write(bp, phy,
8327 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
8328
8329 /* Set soft reset */
8330 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008331 MDIO_PMA_DEVAD,
8332 MDIO_PMA_REG_GEN_CTRL,
8333 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008334
8335 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008336 MDIO_PMA_DEVAD,
8337 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008338
8339 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008340 MDIO_PMA_DEVAD,
8341 MDIO_PMA_REG_GEN_CTRL,
8342 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008343
8344 /* wait for 150ms for microcode load */
8345 msleep(150);
8346
8347 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
8348 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008349 MDIO_PMA_DEVAD,
8350 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008351
8352 msleep(200);
8353 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8354}
8355
8356static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
8357 struct link_params *params,
8358 struct link_vars *vars)
8359{
8360 struct bnx2x *bp = params->bp;
8361 u16 val1;
8362 u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
8363 if (link_up) {
8364 bnx2x_cl45_read(bp, phy,
8365 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
8366 &val1);
8367 if (val1 & (1<<15)) {
8368 DP(NETIF_MSG_LINK, "Tx is disabled\n");
8369 link_up = 0;
8370 vars->line_speed = 0;
8371 }
8372 }
8373 return link_up;
8374}
8375
8376
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008377static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
8378 struct link_params *params,
8379 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008380{
8381 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008382 DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008383
Yaniv Rosner3deb8162011-06-14 01:34:33 +00008384 /* SPF+ PHY: Set flag to check for Tx error */
8385 vars->phy_flags = PHY_TX_ERROR_CHECK_FLAG;
8386
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008387 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00008388 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008389
8390 bnx2x_8726_external_rom_boot(phy, params);
8391
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008392 /*
8393 * Need to call module detected on initialization since the module
8394 * detection triggered by actual module insertion might occur before
8395 * driver is loaded, and when driver is loaded, it reset all
8396 * registers, including the transmitter
8397 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008398 bnx2x_sfp_module_detection(phy, params);
8399
8400 if (phy->req_line_speed == SPEED_1000) {
8401 DP(NETIF_MSG_LINK, "Setting 1G force\n");
8402 bnx2x_cl45_write(bp, phy,
8403 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
8404 bnx2x_cl45_write(bp, phy,
8405 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
8406 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008407 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008408 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008409 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008410 0x400);
8411 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
8412 (phy->speed_cap_mask &
8413 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
8414 ((phy->speed_cap_mask &
8415 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
8416 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
8417 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
8418 /* Set Flow control */
8419 bnx2x_ext_phy_set_pause(params, phy, vars);
8420 bnx2x_cl45_write(bp, phy,
8421 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
8422 bnx2x_cl45_write(bp, phy,
8423 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8424 bnx2x_cl45_write(bp, phy,
8425 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
8426 bnx2x_cl45_write(bp, phy,
8427 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8428 bnx2x_cl45_write(bp, phy,
8429 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008430 /*
8431 * Enable RX-ALARM control to receive interrupt for 1G speed
8432 * change
8433 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008434 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008435 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008436 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008437 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008438 0x400);
8439
8440 } else { /* Default 10G. Set only LASI control */
8441 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008442 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008443 }
8444
8445 /* Set TX PreEmphasis if needed */
8446 if ((params->feature_config_flags &
8447 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8448 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
8449 "TX_CTRL2 0x%x\n",
8450 phy->tx_preemphasis[0],
8451 phy->tx_preemphasis[1]);
8452 bnx2x_cl45_write(bp, phy,
8453 MDIO_PMA_DEVAD,
8454 MDIO_PMA_REG_8726_TX_CTRL1,
8455 phy->tx_preemphasis[0]);
8456
8457 bnx2x_cl45_write(bp, phy,
8458 MDIO_PMA_DEVAD,
8459 MDIO_PMA_REG_8726_TX_CTRL2,
8460 phy->tx_preemphasis[1]);
8461 }
8462
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008463 return 0;
8464
8465}
8466
8467static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
8468 struct link_params *params)
8469{
8470 struct bnx2x *bp = params->bp;
8471 DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
8472 /* Set serial boot control for external load */
8473 bnx2x_cl45_write(bp, phy,
8474 MDIO_PMA_DEVAD,
8475 MDIO_PMA_REG_GEN_CTRL, 0x0001);
8476}
8477
8478/******************************************************************/
8479/* BCM8727 PHY SECTION */
8480/******************************************************************/
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00008481
8482static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
8483 struct link_params *params, u8 mode)
8484{
8485 struct bnx2x *bp = params->bp;
8486 u16 led_mode_bitmask = 0;
8487 u16 gpio_pins_bitmask = 0;
8488 u16 val;
8489 /* Only NOC flavor requires to set the LED specifically */
8490 if (!(phy->flags & FLAGS_NOC))
8491 return;
8492 switch (mode) {
8493 case LED_MODE_FRONT_PANEL_OFF:
8494 case LED_MODE_OFF:
8495 led_mode_bitmask = 0;
8496 gpio_pins_bitmask = 0x03;
8497 break;
8498 case LED_MODE_ON:
8499 led_mode_bitmask = 0;
8500 gpio_pins_bitmask = 0x02;
8501 break;
8502 case LED_MODE_OPER:
8503 led_mode_bitmask = 0x60;
8504 gpio_pins_bitmask = 0x11;
8505 break;
8506 }
8507 bnx2x_cl45_read(bp, phy,
8508 MDIO_PMA_DEVAD,
8509 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8510 &val);
8511 val &= 0xff8f;
8512 val |= led_mode_bitmask;
8513 bnx2x_cl45_write(bp, phy,
8514 MDIO_PMA_DEVAD,
8515 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8516 val);
8517 bnx2x_cl45_read(bp, phy,
8518 MDIO_PMA_DEVAD,
8519 MDIO_PMA_REG_8727_GPIO_CTRL,
8520 &val);
8521 val &= 0xffe0;
8522 val |= gpio_pins_bitmask;
8523 bnx2x_cl45_write(bp, phy,
8524 MDIO_PMA_DEVAD,
8525 MDIO_PMA_REG_8727_GPIO_CTRL,
8526 val);
8527}
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008528static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
8529 struct link_params *params) {
8530 u32 swap_val, swap_override;
8531 u8 port;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008532 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008533 * The PHY reset is controlled by GPIO 1. Fake the port number
8534 * to cancel the swap done in set_gpio()
8535 */
8536 struct bnx2x *bp = params->bp;
8537 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
8538 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
8539 port = (swap_val && swap_override) ^ 1;
8540 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008541 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008542}
8543
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008544static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
8545 struct link_params *params,
8546 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008547{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008548 u32 tx_en_mode;
8549 u16 tmp1, val, mod_abs, tmp2;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008550 u16 rx_alarm_ctrl_val;
8551 u16 lasi_ctrl_val;
8552 struct bnx2x *bp = params->bp;
8553 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
8554
Yaniv Rosner3deb8162011-06-14 01:34:33 +00008555 /* SPF+ PHY: Set flag to check for Tx error */
8556 vars->phy_flags = PHY_TX_ERROR_CHECK_FLAG;
8557
Yaniv Rosner6d870c32011-01-31 04:22:20 +00008558 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008559 rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008560 /* Should be 0x6 to enable XS on Tx side. */
8561 lasi_ctrl_val = 0x0006;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008562
8563 DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
8564 /* enable LASI */
8565 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008566 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008567 rx_alarm_ctrl_val);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008568 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008569 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008570 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008571 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008572 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008573
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008574 /*
8575 * Initially configure MOD_ABS to interrupt when module is
8576 * presence( bit 8)
8577 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008578 bnx2x_cl45_read(bp, phy,
8579 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008580 /*
8581 * Set EDC off by setting OPTXLOS signal input to low (bit 9).
8582 * When the EDC is off it locks onto a reference clock and avoids
8583 * becoming 'lost'
8584 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00008585 mod_abs &= ~(1<<8);
8586 if (!(phy->flags & FLAGS_NOC))
8587 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008588 bnx2x_cl45_write(bp, phy,
8589 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
8590
8591
8592 /* Make MOD_ABS give interrupt on change */
8593 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8594 &val);
8595 val |= (1<<12);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00008596 if (phy->flags & FLAGS_NOC)
8597 val |= (3<<5);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008598
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008599 /*
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00008600 * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
8601 * status which reflect SFP+ module over-current
8602 */
8603 if (!(phy->flags & FLAGS_NOC))
8604 val &= 0xff8f; /* Reset bits 4-6 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008605 bnx2x_cl45_write(bp, phy,
8606 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
8607
8608 bnx2x_8727_power_module(bp, phy, 1);
8609
8610 bnx2x_cl45_read(bp, phy,
8611 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
8612
8613 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008614 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008615
8616 /* Set option 1G speed */
8617 if (phy->req_line_speed == SPEED_1000) {
8618 DP(NETIF_MSG_LINK, "Setting 1G force\n");
8619 bnx2x_cl45_write(bp, phy,
8620 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
8621 bnx2x_cl45_write(bp, phy,
8622 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
8623 bnx2x_cl45_read(bp, phy,
8624 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
8625 DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008626 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008627 * Power down the XAUI until link is up in case of dual-media
8628 * and 1G
8629 */
8630 if (DUAL_MEDIA(params)) {
8631 bnx2x_cl45_read(bp, phy,
8632 MDIO_PMA_DEVAD,
8633 MDIO_PMA_REG_8727_PCS_GP, &val);
8634 val |= (3<<10);
8635 bnx2x_cl45_write(bp, phy,
8636 MDIO_PMA_DEVAD,
8637 MDIO_PMA_REG_8727_PCS_GP, val);
8638 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008639 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
8640 ((phy->speed_cap_mask &
8641 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
8642 ((phy->speed_cap_mask &
8643 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
8644 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
8645
8646 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
8647 bnx2x_cl45_write(bp, phy,
8648 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
8649 bnx2x_cl45_write(bp, phy,
8650 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
8651 } else {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008652 /*
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008653 * Since the 8727 has only single reset pin, need to set the 10G
8654 * registers although it is default
8655 */
8656 bnx2x_cl45_write(bp, phy,
8657 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
8658 0x0020);
8659 bnx2x_cl45_write(bp, phy,
8660 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
8661 bnx2x_cl45_write(bp, phy,
8662 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
8663 bnx2x_cl45_write(bp, phy,
8664 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
8665 0x0008);
8666 }
8667
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008668 /*
8669 * Set 2-wire transfer rate of SFP+ module EEPROM
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008670 * to 100Khz since some DACs(direct attached cables) do
8671 * not work at 400Khz.
8672 */
8673 bnx2x_cl45_write(bp, phy,
8674 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
8675 0xa001);
8676
8677 /* Set TX PreEmphasis if needed */
8678 if ((params->feature_config_flags &
8679 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8680 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
8681 phy->tx_preemphasis[0],
8682 phy->tx_preemphasis[1]);
8683 bnx2x_cl45_write(bp, phy,
8684 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
8685 phy->tx_preemphasis[0]);
8686
8687 bnx2x_cl45_write(bp, phy,
8688 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
8689 phy->tx_preemphasis[1]);
8690 }
8691
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008692 /*
8693 * If TX Laser is controlled by GPIO_0, do not let PHY go into low
8694 * power mode, if TX Laser is disabled
8695 */
8696 tx_en_mode = REG_RD(bp, params->shmem_base +
8697 offsetof(struct shmem_region,
8698 dev_info.port_hw_config[params->port].sfp_ctrl))
8699 & PORT_HW_CFG_TX_LASER_MASK;
8700
8701 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8702
8703 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8704 bnx2x_cl45_read(bp, phy,
8705 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
8706 tmp2 |= 0x1000;
8707 tmp2 &= 0xFFEF;
8708 bnx2x_cl45_write(bp, phy,
8709 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
8710 }
8711
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008712 return 0;
8713}
8714
8715static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
8716 struct link_params *params)
8717{
8718 struct bnx2x *bp = params->bp;
8719 u16 mod_abs, rx_alarm_status;
8720 u32 val = REG_RD(bp, params->shmem_base +
8721 offsetof(struct shmem_region, dev_info.
8722 port_feature_config[params->port].
8723 config));
8724 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008725 MDIO_PMA_DEVAD,
8726 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008727 if (mod_abs & (1<<8)) {
8728
8729 /* Module is absent */
8730 DP(NETIF_MSG_LINK, "MOD_ABS indication "
8731 "show module is absent\n");
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00008732 phy->media_type = ETH_PHY_NOT_PRESENT;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008733 /*
8734 * 1. Set mod_abs to detect next module
8735 * presence event
8736 * 2. Set EDC off by setting OPTXLOS signal input to low
8737 * (bit 9).
8738 * When the EDC is off it locks onto a reference clock and
8739 * avoids becoming 'lost'.
8740 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00008741 mod_abs &= ~(1<<8);
8742 if (!(phy->flags & FLAGS_NOC))
8743 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008744 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008745 MDIO_PMA_DEVAD,
8746 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008747
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008748 /*
8749 * Clear RX alarm since it stays up as long as
8750 * the mod_abs wasn't changed
8751 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008752 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008753 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008754 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008755
8756 } else {
8757 /* Module is present */
8758 DP(NETIF_MSG_LINK, "MOD_ABS indication "
8759 "show module is present\n");
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008760 /*
8761 * First disable transmitter, and if the module is ok, the
8762 * module_detection will enable it
8763 * 1. Set mod_abs to detect next module absent event ( bit 8)
8764 * 2. Restore the default polarity of the OPRXLOS signal and
8765 * this signal will then correctly indicate the presence or
8766 * absence of the Rx signal. (bit 9)
8767 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00008768 mod_abs |= (1<<8);
8769 if (!(phy->flags & FLAGS_NOC))
8770 mod_abs |= (1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008771 bnx2x_cl45_write(bp, phy,
8772 MDIO_PMA_DEVAD,
8773 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
8774
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008775 /*
8776 * Clear RX alarm since it stays up as long as the mod_abs
8777 * wasn't changed. This is need to be done before calling the
8778 * module detection, otherwise it will clear* the link update
8779 * alarm
8780 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008781 bnx2x_cl45_read(bp, phy,
8782 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008783 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008784
8785
8786 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8787 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008788 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008789
8790 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
8791 bnx2x_sfp_module_detection(phy, params);
8792 else
8793 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
8794 }
8795
8796 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008797 rx_alarm_status);
8798 /* No need to check link status in case of module plugged in/out */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008799}
8800
8801static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
8802 struct link_params *params,
8803 struct link_vars *vars)
8804
8805{
8806 struct bnx2x *bp = params->bp;
Yaniv Rosner27d02432011-05-31 21:27:48 +00008807 u8 link_up = 0, oc_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008808 u16 link_status = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008809 u16 rx_alarm_status, lasi_ctrl, val1;
8810
8811 /* If PHY is not initialized, do not check link status */
8812 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008813 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008814 &lasi_ctrl);
8815 if (!lasi_ctrl)
8816 return 0;
8817
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00008818 /* Check the LASI on Rx */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008819 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008820 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008821 &rx_alarm_status);
8822 vars->line_speed = 0;
8823 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
8824
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008825 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8826 MDIO_PMA_LASI_TXCTRL);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008827
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008828 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008829 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008830
8831 DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
8832
8833 /* Clear MSG-OUT */
8834 bnx2x_cl45_read(bp, phy,
8835 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
8836
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008837 /*
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008838 * If a module is present and there is need to check
8839 * for over current
8840 */
8841 if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
8842 /* Check over-current using 8727 GPIO0 input*/
8843 bnx2x_cl45_read(bp, phy,
8844 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
8845 &val1);
8846
8847 if ((val1 & (1<<8)) == 0) {
Yaniv Rosner27d02432011-05-31 21:27:48 +00008848 if (!CHIP_IS_E1x(bp))
8849 oc_port = BP_PATH(bp) + (params->port << 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008850 DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
Yaniv Rosner27d02432011-05-31 21:27:48 +00008851 " on port %d\n", oc_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008852 netdev_err(bp->dev, "Error: Power fault on Port %d has"
8853 " been detected and the power to "
8854 "that SFP+ module has been removed"
8855 " to prevent failure of the card."
8856 " Please remove the SFP+ module and"
8857 " restart the system to clear this"
8858 " error.\n",
Yaniv Rosner27d02432011-05-31 21:27:48 +00008859 oc_port);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008860 /* Disable all RX_ALARMs except for mod_abs */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008861 bnx2x_cl45_write(bp, phy,
8862 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008863 MDIO_PMA_LASI_RXCTRL, (1<<5));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008864
8865 bnx2x_cl45_read(bp, phy,
8866 MDIO_PMA_DEVAD,
8867 MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
8868 /* Wait for module_absent_event */
8869 val1 |= (1<<8);
8870 bnx2x_cl45_write(bp, phy,
8871 MDIO_PMA_DEVAD,
8872 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
8873 /* Clear RX alarm */
8874 bnx2x_cl45_read(bp, phy,
8875 MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008876 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008877 return 0;
8878 }
8879 } /* Over current check */
8880
8881 /* When module absent bit is set, check module */
8882 if (rx_alarm_status & (1<<5)) {
8883 bnx2x_8727_handle_mod_abs(phy, params);
8884 /* Enable all mod_abs and link detection bits */
8885 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008886 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008887 ((1<<5) | (1<<2)));
8888 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008889 DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
8890 bnx2x_8727_specific_func(phy, params, ENABLE_TX);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008891 /* If transmitter is disabled, ignore false link up indication */
8892 bnx2x_cl45_read(bp, phy,
8893 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
8894 if (val1 & (1<<15)) {
8895 DP(NETIF_MSG_LINK, "Tx is disabled\n");
8896 return 0;
8897 }
8898
8899 bnx2x_cl45_read(bp, phy,
8900 MDIO_PMA_DEVAD,
8901 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
8902
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008903 /*
8904 * Bits 0..2 --> speed detected,
8905 * Bits 13..15--> link is down
8906 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008907 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
8908 link_up = 1;
8909 vars->line_speed = SPEED_10000;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008910 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
8911 params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008912 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
8913 link_up = 1;
8914 vars->line_speed = SPEED_1000;
8915 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
8916 params->port);
8917 } else {
8918 link_up = 0;
8919 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
8920 params->port);
8921 }
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008922
8923 /* Capture 10G link fault. */
8924 if (vars->line_speed == SPEED_10000) {
8925 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008926 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008927
8928 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008929 MDIO_PMA_LASI_TXSTAT, &val1);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00008930
8931 if (val1 & (1<<0)) {
8932 vars->fault_detected = 1;
8933 }
8934 }
8935
Yaniv Rosner791f18c2011-01-18 04:33:42 +00008936 if (link_up) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008937 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00008938 vars->duplex = DUPLEX_FULL;
8939 DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
8940 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008941
8942 if ((DUAL_MEDIA(params)) &&
8943 (phy->req_line_speed == SPEED_1000)) {
8944 bnx2x_cl45_read(bp, phy,
8945 MDIO_PMA_DEVAD,
8946 MDIO_PMA_REG_8727_PCS_GP, &val1);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008947 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008948 * In case of dual-media board and 1G, power up the XAUI side,
8949 * otherwise power it down. For 10G it is done automatically
8950 */
8951 if (link_up)
8952 val1 &= ~(3<<10);
8953 else
8954 val1 |= (3<<10);
8955 bnx2x_cl45_write(bp, phy,
8956 MDIO_PMA_DEVAD,
8957 MDIO_PMA_REG_8727_PCS_GP, val1);
8958 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008959 return link_up;
8960}
8961
8962static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
8963 struct link_params *params)
8964{
8965 struct bnx2x *bp = params->bp;
8966 /* Disable Transmitter */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008967 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008968 /* Clear LASI */
Yaniv Rosner60d2fe02011-06-14 01:34:38 +00008969 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008970
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008971}
8972
8973/******************************************************************/
8974/* BCM8481/BCM84823/BCM84833 PHY SECTION */
8975/******************************************************************/
8976static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
8977 struct link_params *params)
8978{
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00008979 u16 val, fw_ver1, fw_ver2, cnt;
8980 u8 port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008981 struct bnx2x *bp = params->bp;
8982
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00008983 port = params->port;
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00008984
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008985 /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
8986 /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00008987 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
8988 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
8989 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
8990 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
8991 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008992
8993 for (cnt = 0; cnt < 100; cnt++) {
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00008994 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008995 if (val & 1)
8996 break;
8997 udelay(5);
8998 }
8999 if (cnt == 100) {
9000 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009001 bnx2x_save_spirom_version(bp, port, 0,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009002 phy->ver_addr);
9003 return;
9004 }
9005
9006
9007 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009008 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
9009 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9010 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009011 for (cnt = 0; cnt < 100; cnt++) {
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009012 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009013 if (val & 1)
9014 break;
9015 udelay(5);
9016 }
9017 if (cnt == 100) {
9018 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009019 bnx2x_save_spirom_version(bp, port, 0,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009020 phy->ver_addr);
9021 return;
9022 }
9023
9024 /* lower 16 bits of the register SPI_FW_STATUS */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009025 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009026 /* upper 16 bits of register SPI_FW_STATUS */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009027 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009028
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009029 bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009030 phy->ver_addr);
9031}
9032
9033static void bnx2x_848xx_set_led(struct bnx2x *bp,
9034 struct bnx2x_phy *phy)
9035{
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009036 u16 val;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009037
9038 /* PHYC_CTL_LED_CTL */
9039 bnx2x_cl45_read(bp, phy,
9040 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009041 MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009042 val &= 0xFE00;
9043 val |= 0x0092;
9044
9045 bnx2x_cl45_write(bp, phy,
9046 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009047 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009048
9049 bnx2x_cl45_write(bp, phy,
9050 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009051 MDIO_PMA_REG_8481_LED1_MASK,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009052 0x80);
9053
9054 bnx2x_cl45_write(bp, phy,
9055 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009056 MDIO_PMA_REG_8481_LED2_MASK,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009057 0x18);
9058
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00009059 /* Select activity source by Tx and Rx, as suggested by PHY AE */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009060 bnx2x_cl45_write(bp, phy,
9061 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009062 MDIO_PMA_REG_8481_LED3_MASK,
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00009063 0x0006);
9064
9065 /* Select the closest activity blink rate to that in 10/100/1000 */
9066 bnx2x_cl45_write(bp, phy,
9067 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009068 MDIO_PMA_REG_8481_LED3_BLINK,
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00009069 0);
9070
9071 bnx2x_cl45_read(bp, phy,
9072 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009073 MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00009074 val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
9075
9076 bnx2x_cl45_write(bp, phy,
9077 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009078 MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009079
9080 /* 'Interrupt Mask' */
9081 bnx2x_cl45_write(bp, phy,
9082 MDIO_AN_DEVAD,
9083 0xFFFB, 0xFFFD);
9084}
9085
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009086static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
9087 struct link_params *params,
9088 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009089{
9090 struct bnx2x *bp = params->bp;
9091 u16 autoneg_val, an_1000_val, an_10_100_val;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009092 u16 tmp_req_line_speed;
9093
9094 tmp_req_line_speed = phy->req_line_speed;
9095 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
9096 if (phy->req_line_speed == SPEED_10000)
9097 phy->req_line_speed = SPEED_AUTO_NEG;
9098
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009099 /*
9100 * This phy uses the NIG latch mechanism since link indication
9101 * arrives through its LED4 and not via its LASI signal, so we
9102 * get steady signal instead of clear on read
9103 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009104 bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
9105 1 << NIG_LATCH_BC_ENABLE_MI_INT);
9106
9107 bnx2x_cl45_write(bp, phy,
9108 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
9109
9110 bnx2x_848xx_set_led(bp, phy);
9111
9112 /* set 1000 speed advertisement */
9113 bnx2x_cl45_read(bp, phy,
9114 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9115 &an_1000_val);
9116
9117 bnx2x_ext_phy_set_pause(params, phy, vars);
9118 bnx2x_cl45_read(bp, phy,
9119 MDIO_AN_DEVAD,
9120 MDIO_AN_REG_8481_LEGACY_AN_ADV,
9121 &an_10_100_val);
9122 bnx2x_cl45_read(bp, phy,
9123 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9124 &autoneg_val);
9125 /* Disable forced speed */
9126 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9127 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
9128
9129 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9130 (phy->speed_cap_mask &
9131 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9132 (phy->req_line_speed == SPEED_1000)) {
9133 an_1000_val |= (1<<8);
9134 autoneg_val |= (1<<9 | 1<<12);
9135 if (phy->req_duplex == DUPLEX_FULL)
9136 an_1000_val |= (1<<9);
9137 DP(NETIF_MSG_LINK, "Advertising 1G\n");
9138 } else
9139 an_1000_val &= ~((1<<8) | (1<<9));
9140
9141 bnx2x_cl45_write(bp, phy,
9142 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9143 an_1000_val);
9144
9145 /* set 10 speed advertisement */
9146 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9147 (phy->speed_cap_mask &
9148 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
9149 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
9150 an_10_100_val |= (1<<7);
9151 /* Enable autoneg and restart autoneg for legacy speeds */
9152 autoneg_val |= (1<<9 | 1<<12);
9153
9154 if (phy->req_duplex == DUPLEX_FULL)
9155 an_10_100_val |= (1<<8);
9156 DP(NETIF_MSG_LINK, "Advertising 100M\n");
9157 }
9158 /* set 10 speed advertisement */
9159 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9160 (phy->speed_cap_mask &
9161 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
9162 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
9163 an_10_100_val |= (1<<5);
9164 autoneg_val |= (1<<9 | 1<<12);
9165 if (phy->req_duplex == DUPLEX_FULL)
9166 an_10_100_val |= (1<<6);
9167 DP(NETIF_MSG_LINK, "Advertising 10M\n");
9168 }
9169
9170 /* Only 10/100 are allowed to work in FORCE mode */
9171 if (phy->req_line_speed == SPEED_100) {
9172 autoneg_val |= (1<<13);
9173 /* Enabled AUTO-MDIX when autoneg is disabled */
9174 bnx2x_cl45_write(bp, phy,
9175 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9176 (1<<15 | 1<<9 | 7<<0));
9177 DP(NETIF_MSG_LINK, "Setting 100M force\n");
9178 }
9179 if (phy->req_line_speed == SPEED_10) {
9180 /* Enabled AUTO-MDIX when autoneg is disabled */
9181 bnx2x_cl45_write(bp, phy,
9182 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9183 (1<<15 | 1<<9 | 7<<0));
9184 DP(NETIF_MSG_LINK, "Setting 10M force\n");
9185 }
9186
9187 bnx2x_cl45_write(bp, phy,
9188 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
9189 an_10_100_val);
9190
9191 if (phy->req_duplex == DUPLEX_FULL)
9192 autoneg_val |= (1<<8);
9193
9194 bnx2x_cl45_write(bp, phy,
9195 MDIO_AN_DEVAD,
9196 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
9197
9198 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9199 (phy->speed_cap_mask &
9200 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
9201 (phy->req_line_speed == SPEED_10000)) {
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00009202 DP(NETIF_MSG_LINK, "Advertising 10G\n");
9203 /* Restart autoneg for 10G*/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009204
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00009205 bnx2x_cl45_write(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009206 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
9207 0x3200);
9208 } else if (phy->req_line_speed != SPEED_10 &&
9209 phy->req_line_speed != SPEED_100) {
9210 bnx2x_cl45_write(bp, phy,
9211 MDIO_AN_DEVAD,
9212 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9213 1);
9214 }
9215 /* Save spirom version */
9216 bnx2x_save_848xx_spirom_version(phy, params);
9217
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009218 phy->req_line_speed = tmp_req_line_speed;
9219
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009220 return 0;
9221}
9222
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009223static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
9224 struct link_params *params,
9225 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009226{
9227 struct bnx2x *bp = params->bp;
9228 /* Restore normal power mode*/
9229 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009230 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009231
9232 /* HW reset */
9233 bnx2x_ext_phy_hw_reset(bp, params->port);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00009234 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009235
9236 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9237 return bnx2x_848xx_cmn_config_init(phy, params, vars);
9238}
9239
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009240
9241#define PHY84833_HDSHK_WAIT 300
9242static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
9243 struct link_params *params,
9244 struct link_vars *vars)
9245{
9246 u32 idx;
9247 u16 val;
9248 u16 data = 0x01b1;
9249 struct bnx2x *bp = params->bp;
9250 /* Do pair swap */
9251
9252
9253 /* Write CMD_OPEN_OVERRIDE to STATUS reg */
9254 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9255 MDIO_84833_TOP_CFG_SCRATCH_REG2,
9256 PHY84833_CMD_OPEN_OVERRIDE);
9257 for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
9258 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9259 MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
9260 if (val == PHY84833_CMD_OPEN_FOR_CMDS)
9261 break;
9262 msleep(1);
9263 }
9264 if (idx >= PHY84833_HDSHK_WAIT) {
9265 DP(NETIF_MSG_LINK, "Pairswap: FW not ready.\n");
9266 return -EINVAL;
9267 }
9268
9269 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9270 MDIO_84833_TOP_CFG_SCRATCH_REG4,
9271 data);
9272 /* Issue pair swap command */
9273 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9274 MDIO_84833_TOP_CFG_SCRATCH_REG0,
9275 PHY84833_DIAG_CMD_PAIR_SWAP_CHANGE);
9276 for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
9277 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9278 MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
9279 if ((val == PHY84833_CMD_COMPLETE_PASS) ||
9280 (val == PHY84833_CMD_COMPLETE_ERROR))
9281 break;
9282 msleep(1);
9283 }
9284 if ((idx >= PHY84833_HDSHK_WAIT) ||
9285 (val == PHY84833_CMD_COMPLETE_ERROR)) {
9286 DP(NETIF_MSG_LINK, "Pairswap: override failed.\n");
9287 return -EINVAL;
9288 }
9289 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9290 MDIO_84833_TOP_CFG_SCRATCH_REG2,
9291 PHY84833_CMD_CLEAR_COMPLETE);
9292 DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data);
9293 return 0;
9294}
9295
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009296
9297static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
9298 u32 shmem_base_path[],
9299 u32 chip_id)
9300{
9301 u32 reset_pin[2];
9302 u32 idx;
9303 u8 reset_gpios;
9304 if (CHIP_IS_E3(bp)) {
9305 /* Assume that these will be GPIOs, not EPIOs. */
9306 for (idx = 0; idx < 2; idx++) {
9307 /* Map config param to register bit. */
9308 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9309 offsetof(struct shmem_region,
9310 dev_info.port_hw_config[0].e3_cmn_pin_cfg));
9311 reset_pin[idx] = (reset_pin[idx] &
9312 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
9313 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
9314 reset_pin[idx] -= PIN_CFG_GPIO0_P0;
9315 reset_pin[idx] = (1 << reset_pin[idx]);
9316 }
9317 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9318 } else {
9319 /* E2, look from diff place of shmem. */
9320 for (idx = 0; idx < 2; idx++) {
9321 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9322 offsetof(struct shmem_region,
9323 dev_info.port_hw_config[0].default_cfg));
9324 reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
9325 reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
9326 reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
9327 reset_pin[idx] = (1 << reset_pin[idx]);
9328 }
9329 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9330 }
9331
9332 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
9333 udelay(10);
9334 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
9335 msleep(800);
9336 DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
9337 reset_gpios);
9338
9339 return 0;
9340}
9341
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009342static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
9343 struct link_params *params,
9344 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009345{
9346 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00009347 u8 port, initialize = 1;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009348 u16 val;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009349 u16 temp;
Yaniv Rosner1bef68e2011-01-31 04:22:46 +00009350 u32 actual_phy_selection, cms_enable;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009351 int rc = 0;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009352
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009353 msleep(1);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009354
9355 if (!(CHIP_IS_E1(bp)))
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00009356 port = BP_PATH(bp);
9357 else
9358 port = params->port;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009359
9360 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
9361 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
9362 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
9363 port);
9364 } else {
9365 bnx2x_cl45_write(bp, phy,
9366 MDIO_PMA_DEVAD,
9367 MDIO_PMA_REG_CTRL, 0x8000);
9368 }
9369
Yaniv Rosner6d870c32011-01-31 04:22:20 +00009370 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosner9bffeac2010-11-01 05:32:27 +00009371 /* Wait for GPHY to come out of reset */
9372 msleep(50);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009373
9374 /* Bring PHY out of super isolate mode */
9375 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9376 bnx2x_cl45_read(bp, phy,
9377 MDIO_CTL_DEVAD,
9378 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
9379 val &= ~MDIO_84833_SUPER_ISOLATE;
9380 bnx2x_cl45_write(bp, phy,
9381 MDIO_CTL_DEVAD,
9382 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
9383 bnx2x_wait_reset_complete(bp, phy, params);
9384 }
9385
9386 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
9387 bnx2x_84833_pair_swap_cfg(phy, params, vars);
9388
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009389 /*
9390 * BCM84823 requires that XGXS links up first @ 10G for normal behavior
9391 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009392 temp = vars->line_speed;
9393 vars->line_speed = SPEED_10000;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009394 bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
9395 bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009396 vars->line_speed = temp;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009397
9398 /* Set dual-media configuration according to configuration */
9399
9400 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009401 MDIO_CTL_REG_84823_MEDIA, &val);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009402 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
9403 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
9404 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
9405 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
9406 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009407
9408 if (CHIP_IS_E3(bp)) {
9409 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
9410 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
9411 } else {
9412 val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
9413 MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
9414 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009415
9416 actual_phy_selection = bnx2x_phy_selection(params);
9417
9418 switch (actual_phy_selection) {
9419 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
Lucas De Marchi25985ed2011-03-30 22:57:33 -03009420 /* Do nothing. Essentially this is like the priority copper */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009421 break;
9422 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
9423 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
9424 break;
9425 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
9426 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
9427 break;
9428 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
9429 /* Do nothing here. The first PHY won't be initialized at all */
9430 break;
9431 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
9432 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
9433 initialize = 0;
9434 break;
9435 }
9436 if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
9437 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
9438
9439 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009440 MDIO_CTL_REG_84823_MEDIA, val);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009441 DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
9442 params->multi_phy_config, val);
9443
9444 if (initialize)
9445 rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
9446 else
9447 bnx2x_save_848xx_spirom_version(phy, params);
Yaniv Rosner1bef68e2011-01-31 04:22:46 +00009448 cms_enable = REG_RD(bp, params->shmem_base +
9449 offsetof(struct shmem_region,
9450 dev_info.port_hw_config[params->port].default_cfg)) &
9451 PORT_HW_CFG_ENABLE_CMS_MASK;
9452
9453 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9454 MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
9455 if (cms_enable)
9456 val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
9457 else
9458 val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
9459 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9460 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
9461
9462
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009463 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009464}
9465
9466static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009467 struct link_params *params,
9468 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009469{
9470 struct bnx2x *bp = params->bp;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009471 u16 val, val1, val2;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009472 u8 link_up = 0;
9473
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00009474
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009475 /* Check 10G-BaseT link status */
9476 /* Check PMD signal ok */
9477 bnx2x_cl45_read(bp, phy,
9478 MDIO_AN_DEVAD, 0xFFFA, &val1);
9479 bnx2x_cl45_read(bp, phy,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009480 MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009481 &val2);
9482 DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
9483
9484 /* Check link 10G */
9485 if (val2 & (1<<11)) {
9486 vars->line_speed = SPEED_10000;
Yaniv Rosner791f18c2011-01-18 04:33:42 +00009487 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009488 link_up = 1;
9489 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
9490 } else { /* Check Legacy speed link */
9491 u16 legacy_status, legacy_speed;
9492
9493 /* Enable expansion register 0x42 (Operation mode status) */
9494 bnx2x_cl45_write(bp, phy,
9495 MDIO_AN_DEVAD,
9496 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
9497
9498 /* Get legacy speed operation status */
9499 bnx2x_cl45_read(bp, phy,
9500 MDIO_AN_DEVAD,
9501 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
9502 &legacy_status);
9503
9504 DP(NETIF_MSG_LINK, "Legacy speed status"
9505 " = 0x%x\n", legacy_status);
9506 link_up = ((legacy_status & (1<<11)) == (1<<11));
9507 if (link_up) {
9508 legacy_speed = (legacy_status & (3<<9));
9509 if (legacy_speed == (0<<9))
9510 vars->line_speed = SPEED_10;
9511 else if (legacy_speed == (1<<9))
9512 vars->line_speed = SPEED_100;
9513 else if (legacy_speed == (2<<9))
9514 vars->line_speed = SPEED_1000;
9515 else /* Should not happen */
9516 vars->line_speed = 0;
9517
9518 if (legacy_status & (1<<8))
9519 vars->duplex = DUPLEX_FULL;
9520 else
9521 vars->duplex = DUPLEX_HALF;
9522
9523 DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
9524 " is_duplex_full= %d\n", vars->line_speed,
9525 (vars->duplex == DUPLEX_FULL));
9526 /* Check legacy speed AN resolution */
9527 bnx2x_cl45_read(bp, phy,
9528 MDIO_AN_DEVAD,
9529 MDIO_AN_REG_8481_LEGACY_MII_STATUS,
9530 &val);
9531 if (val & (1<<5))
9532 vars->link_status |=
9533 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
9534 bnx2x_cl45_read(bp, phy,
9535 MDIO_AN_DEVAD,
9536 MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
9537 &val);
9538 if ((val & (1<<0)) == 0)
9539 vars->link_status |=
9540 LINK_STATUS_PARALLEL_DETECTION_USED;
9541 }
9542 }
9543 if (link_up) {
9544 DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
9545 vars->line_speed);
9546 bnx2x_ext_phy_resolve_fc(phy, params, vars);
9547 }
9548
9549 return link_up;
9550}
9551
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009552
9553static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009554{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009555 int status = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009556 u32 spirom_ver;
9557 spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
9558 status = bnx2x_format_ver(spirom_ver, str, len);
9559 return status;
9560}
9561
9562static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
9563 struct link_params *params)
9564{
9565 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009566 MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009567 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009568 MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009569}
9570
9571static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
9572 struct link_params *params)
9573{
9574 bnx2x_cl45_write(params->bp, phy,
9575 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
9576 bnx2x_cl45_write(params->bp, phy,
9577 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
9578}
9579
9580static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
9581 struct link_params *params)
9582{
9583 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00009584 u8 port;
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009585 u16 val16;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009586
9587 if (!(CHIP_IS_E1(bp)))
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00009588 port = BP_PATH(bp);
9589 else
9590 port = params->port;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009591
9592 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
9593 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
9594 MISC_REGISTERS_GPIO_OUTPUT_LOW,
9595 port);
9596 } else {
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009597 bnx2x_cl45_read(bp, phy,
9598 MDIO_CTL_DEVAD,
9599 0x400f, &val16);
9600 /* Put to low power mode on newer FW */
9601 if ((val16 & 0x303f) > 0x1009)
9602 bnx2x_cl45_write(bp, phy,
9603 MDIO_PMA_DEVAD,
9604 MDIO_PMA_REG_CTRL, 0x800);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009605 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009606}
9607
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009608static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
9609 struct link_params *params, u8 mode)
9610{
9611 struct bnx2x *bp = params->bp;
9612 u16 val;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009613 u8 port;
9614
9615 if (!(CHIP_IS_E1(bp)))
9616 port = BP_PATH(bp);
9617 else
9618 port = params->port;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009619
9620 switch (mode) {
9621 case LED_MODE_OFF:
9622
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009623 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009624
9625 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
9626 SHARED_HW_CFG_LED_EXTPHY1) {
9627
9628 /* Set LED masks */
9629 bnx2x_cl45_write(bp, phy,
9630 MDIO_PMA_DEVAD,
9631 MDIO_PMA_REG_8481_LED1_MASK,
9632 0x0);
9633
9634 bnx2x_cl45_write(bp, phy,
9635 MDIO_PMA_DEVAD,
9636 MDIO_PMA_REG_8481_LED2_MASK,
9637 0x0);
9638
9639 bnx2x_cl45_write(bp, phy,
9640 MDIO_PMA_DEVAD,
9641 MDIO_PMA_REG_8481_LED3_MASK,
9642 0x0);
9643
9644 bnx2x_cl45_write(bp, phy,
9645 MDIO_PMA_DEVAD,
9646 MDIO_PMA_REG_8481_LED5_MASK,
9647 0x0);
9648
9649 } else {
9650 bnx2x_cl45_write(bp, phy,
9651 MDIO_PMA_DEVAD,
9652 MDIO_PMA_REG_8481_LED1_MASK,
9653 0x0);
9654 }
9655 break;
9656 case LED_MODE_FRONT_PANEL_OFF:
9657
9658 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009659 port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009660
9661 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
9662 SHARED_HW_CFG_LED_EXTPHY1) {
9663
9664 /* Set LED masks */
9665 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009666 MDIO_PMA_DEVAD,
9667 MDIO_PMA_REG_8481_LED1_MASK,
9668 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009669
9670 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009671 MDIO_PMA_DEVAD,
9672 MDIO_PMA_REG_8481_LED2_MASK,
9673 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009674
9675 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009676 MDIO_PMA_DEVAD,
9677 MDIO_PMA_REG_8481_LED3_MASK,
9678 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009679
9680 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009681 MDIO_PMA_DEVAD,
9682 MDIO_PMA_REG_8481_LED5_MASK,
9683 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009684
9685 } else {
9686 bnx2x_cl45_write(bp, phy,
9687 MDIO_PMA_DEVAD,
9688 MDIO_PMA_REG_8481_LED1_MASK,
9689 0x0);
9690 }
9691 break;
9692 case LED_MODE_ON:
9693
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009694 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009695
9696 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
9697 SHARED_HW_CFG_LED_EXTPHY1) {
9698 /* Set control reg */
9699 bnx2x_cl45_read(bp, phy,
9700 MDIO_PMA_DEVAD,
9701 MDIO_PMA_REG_8481_LINK_SIGNAL,
9702 &val);
9703 val &= 0x8000;
9704 val |= 0x2492;
9705
9706 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009707 MDIO_PMA_DEVAD,
9708 MDIO_PMA_REG_8481_LINK_SIGNAL,
9709 val);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009710
9711 /* Set LED masks */
9712 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009713 MDIO_PMA_DEVAD,
9714 MDIO_PMA_REG_8481_LED1_MASK,
9715 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009716
9717 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009718 MDIO_PMA_DEVAD,
9719 MDIO_PMA_REG_8481_LED2_MASK,
9720 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009721
9722 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009723 MDIO_PMA_DEVAD,
9724 MDIO_PMA_REG_8481_LED3_MASK,
9725 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009726
9727 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009728 MDIO_PMA_DEVAD,
9729 MDIO_PMA_REG_8481_LED5_MASK,
9730 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009731 } else {
9732 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009733 MDIO_PMA_DEVAD,
9734 MDIO_PMA_REG_8481_LED1_MASK,
9735 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009736 }
9737 break;
9738
9739 case LED_MODE_OPER:
9740
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00009741 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009742
9743 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
9744 SHARED_HW_CFG_LED_EXTPHY1) {
9745
9746 /* Set control reg */
9747 bnx2x_cl45_read(bp, phy,
9748 MDIO_PMA_DEVAD,
9749 MDIO_PMA_REG_8481_LINK_SIGNAL,
9750 &val);
9751
9752 if (!((val &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009753 MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
9754 >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009755 DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009756 bnx2x_cl45_write(bp, phy,
9757 MDIO_PMA_DEVAD,
9758 MDIO_PMA_REG_8481_LINK_SIGNAL,
9759 0xa492);
9760 }
9761
9762 /* Set LED masks */
9763 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009764 MDIO_PMA_DEVAD,
9765 MDIO_PMA_REG_8481_LED1_MASK,
9766 0x10);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009767
9768 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009769 MDIO_PMA_DEVAD,
9770 MDIO_PMA_REG_8481_LED2_MASK,
9771 0x80);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009772
9773 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009774 MDIO_PMA_DEVAD,
9775 MDIO_PMA_REG_8481_LED3_MASK,
9776 0x98);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009777
9778 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009779 MDIO_PMA_DEVAD,
9780 MDIO_PMA_REG_8481_LED5_MASK,
9781 0x40);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009782
9783 } else {
9784 bnx2x_cl45_write(bp, phy,
9785 MDIO_PMA_DEVAD,
9786 MDIO_PMA_REG_8481_LED1_MASK,
9787 0x80);
Yaniv Rosner53eda062011-01-30 04:14:55 +00009788
9789 /* Tell LED3 to blink on source */
9790 bnx2x_cl45_read(bp, phy,
9791 MDIO_PMA_DEVAD,
9792 MDIO_PMA_REG_8481_LINK_SIGNAL,
9793 &val);
9794 val &= ~(7<<6);
9795 val |= (1<<6); /* A83B[8:6]= 1 */
9796 bnx2x_cl45_write(bp, phy,
9797 MDIO_PMA_DEVAD,
9798 MDIO_PMA_REG_8481_LINK_SIGNAL,
9799 val);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009800 }
9801 break;
9802 }
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009803
9804 /*
9805 * This is a workaround for E3+84833 until autoneg
9806 * restart is fixed in f/w
9807 */
9808 if (CHIP_IS_E3(bp)) {
9809 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
9810 MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
9811 }
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00009812}
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00009813
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00009814/******************************************************************/
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +00009815/* 54618SE PHY SECTION */
Yaniv Rosner6583e332011-06-14 01:34:17 +00009816/******************************************************************/
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +00009817static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
Yaniv Rosner6583e332011-06-14 01:34:17 +00009818 struct link_params *params,
9819 struct link_vars *vars)
9820{
9821 struct bnx2x *bp = params->bp;
9822 u8 port;
9823 u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
9824 u32 cfg_pin;
9825
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +00009826 DP(NETIF_MSG_LINK, "54618SE cfg init\n");
Yaniv Rosner6583e332011-06-14 01:34:17 +00009827 usleep_range(1000, 1000);
9828
9829 /* This works with E3 only, no need to check the chip
9830 before determining the port. */
9831 port = params->port;
9832
9833 cfg_pin = (REG_RD(bp, params->shmem_base +
9834 offsetof(struct shmem_region,
9835 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
9836 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
9837 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
9838
9839 /* Drive pin high to bring the GPHY out of reset. */
9840 bnx2x_set_cfg_pin(bp, cfg_pin, 1);
9841
9842 /* wait for GPHY to reset */
9843 msleep(50);
9844
9845 /* reset phy */
9846 bnx2x_cl22_write(bp, phy,
9847 MDIO_PMA_REG_CTRL, 0x8000);
9848 bnx2x_wait_reset_complete(bp, phy, params);
9849
9850 /*wait for GPHY to reset */
9851 msleep(50);
9852
9853 /* Configure LED4: set to INTR (0x6). */
9854 /* Accessing shadow register 0xe. */
9855 bnx2x_cl22_write(bp, phy,
9856 MDIO_REG_GPHY_SHADOW,
9857 MDIO_REG_GPHY_SHADOW_LED_SEL2);
9858 bnx2x_cl22_read(bp, phy,
9859 MDIO_REG_GPHY_SHADOW,
9860 &temp);
9861 temp &= ~(0xf << 4);
9862 temp |= (0x6 << 4);
9863 bnx2x_cl22_write(bp, phy,
9864 MDIO_REG_GPHY_SHADOW,
9865 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
9866 /* Configure INTR based on link status change. */
9867 bnx2x_cl22_write(bp, phy,
9868 MDIO_REG_INTR_MASK,
9869 ~MDIO_REG_INTR_MASK_LINK_STATUS);
9870
9871 /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
9872 bnx2x_cl22_write(bp, phy,
9873 MDIO_REG_GPHY_SHADOW,
9874 MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
9875 bnx2x_cl22_read(bp, phy,
9876 MDIO_REG_GPHY_SHADOW,
9877 &temp);
9878 temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
9879 bnx2x_cl22_write(bp, phy,
9880 MDIO_REG_GPHY_SHADOW,
9881 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
9882
9883 /* Set up fc */
9884 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
9885 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
9886 fc_val = 0;
9887 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
9888 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
9889 fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
9890
9891 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
9892 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
9893 fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
9894
9895 /* read all advertisement */
9896 bnx2x_cl22_read(bp, phy,
9897 0x09,
9898 &an_1000_val);
9899
9900 bnx2x_cl22_read(bp, phy,
9901 0x04,
9902 &an_10_100_val);
9903
9904 bnx2x_cl22_read(bp, phy,
9905 MDIO_PMA_REG_CTRL,
9906 &autoneg_val);
9907
9908 /* Disable forced speed */
9909 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9910 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
9911 (1<<11));
9912
9913 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9914 (phy->speed_cap_mask &
9915 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9916 (phy->req_line_speed == SPEED_1000)) {
9917 an_1000_val |= (1<<8);
9918 autoneg_val |= (1<<9 | 1<<12);
9919 if (phy->req_duplex == DUPLEX_FULL)
9920 an_1000_val |= (1<<9);
9921 DP(NETIF_MSG_LINK, "Advertising 1G\n");
9922 } else
9923 an_1000_val &= ~((1<<8) | (1<<9));
9924
9925 bnx2x_cl22_write(bp, phy,
9926 0x09,
9927 an_1000_val);
9928 bnx2x_cl22_read(bp, phy,
9929 0x09,
9930 &an_1000_val);
9931
9932 /* set 100 speed advertisement */
9933 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9934 (phy->speed_cap_mask &
9935 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
9936 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
9937 an_10_100_val |= (1<<7);
9938 /* Enable autoneg and restart autoneg for legacy speeds */
9939 autoneg_val |= (1<<9 | 1<<12);
9940
9941 if (phy->req_duplex == DUPLEX_FULL)
9942 an_10_100_val |= (1<<8);
9943 DP(NETIF_MSG_LINK, "Advertising 100M\n");
9944 }
9945
9946 /* set 10 speed advertisement */
9947 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9948 (phy->speed_cap_mask &
9949 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
9950 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
9951 an_10_100_val |= (1<<5);
9952 autoneg_val |= (1<<9 | 1<<12);
9953 if (phy->req_duplex == DUPLEX_FULL)
9954 an_10_100_val |= (1<<6);
9955 DP(NETIF_MSG_LINK, "Advertising 10M\n");
9956 }
9957
9958 /* Only 10/100 are allowed to work in FORCE mode */
9959 if (phy->req_line_speed == SPEED_100) {
9960 autoneg_val |= (1<<13);
9961 /* Enabled AUTO-MDIX when autoneg is disabled */
9962 bnx2x_cl22_write(bp, phy,
9963 0x18,
9964 (1<<15 | 1<<9 | 7<<0));
9965 DP(NETIF_MSG_LINK, "Setting 100M force\n");
9966 }
9967 if (phy->req_line_speed == SPEED_10) {
9968 /* Enabled AUTO-MDIX when autoneg is disabled */
9969 bnx2x_cl22_write(bp, phy,
9970 0x18,
9971 (1<<15 | 1<<9 | 7<<0));
9972 DP(NETIF_MSG_LINK, "Setting 10M force\n");
9973 }
9974
9975 bnx2x_cl22_write(bp, phy,
9976 0x04,
9977 an_10_100_val | fc_val);
9978
9979 if (phy->req_duplex == DUPLEX_FULL)
9980 autoneg_val |= (1<<8);
9981
9982 bnx2x_cl22_write(bp, phy,
9983 MDIO_PMA_REG_CTRL, autoneg_val);
9984
9985 return 0;
9986}
9987
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +00009988static void bnx2x_54618se_set_link_led(struct bnx2x_phy *phy,
9989 struct link_params *params, u8 mode)
Yaniv Rosner6583e332011-06-14 01:34:17 +00009990{
9991 struct bnx2x *bp = params->bp;
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +00009992 DP(NETIF_MSG_LINK, "54618SE set link led (mode=%x)\n", mode);
Yaniv Rosner6583e332011-06-14 01:34:17 +00009993 switch (mode) {
9994 case LED_MODE_FRONT_PANEL_OFF:
9995 case LED_MODE_OFF:
9996 case LED_MODE_OPER:
9997 case LED_MODE_ON:
9998 default:
9999 break;
10000 }
10001 return;
10002}
10003
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010004static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
10005 struct link_params *params)
Yaniv Rosner6583e332011-06-14 01:34:17 +000010006{
10007 struct bnx2x *bp = params->bp;
10008 u32 cfg_pin;
10009 u8 port;
10010
10011 /* This works with E3 only, no need to check the chip
10012 before determining the port. */
10013 port = params->port;
10014 cfg_pin = (REG_RD(bp, params->shmem_base +
10015 offsetof(struct shmem_region,
10016 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10017 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10018 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10019
10020 /* Drive pin low to put GPHY in reset. */
10021 bnx2x_set_cfg_pin(bp, cfg_pin, 0);
10022}
10023
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010024static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
10025 struct link_params *params,
10026 struct link_vars *vars)
Yaniv Rosner6583e332011-06-14 01:34:17 +000010027{
10028 struct bnx2x *bp = params->bp;
10029 u16 val;
10030 u8 link_up = 0;
10031 u16 legacy_status, legacy_speed;
10032
10033 /* Get speed operation status */
10034 bnx2x_cl22_read(bp, phy,
10035 0x19,
10036 &legacy_status);
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010037 DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
Yaniv Rosner6583e332011-06-14 01:34:17 +000010038
10039 /* Read status to clear the PHY interrupt. */
10040 bnx2x_cl22_read(bp, phy,
10041 MDIO_REG_INTR_STATUS,
10042 &val);
10043
10044 link_up = ((legacy_status & (1<<2)) == (1<<2));
10045
10046 if (link_up) {
10047 legacy_speed = (legacy_status & (7<<8));
10048 if (legacy_speed == (7<<8)) {
10049 vars->line_speed = SPEED_1000;
10050 vars->duplex = DUPLEX_FULL;
10051 } else if (legacy_speed == (6<<8)) {
10052 vars->line_speed = SPEED_1000;
10053 vars->duplex = DUPLEX_HALF;
10054 } else if (legacy_speed == (5<<8)) {
10055 vars->line_speed = SPEED_100;
10056 vars->duplex = DUPLEX_FULL;
10057 }
10058 /* Omitting 100Base-T4 for now */
10059 else if (legacy_speed == (3<<8)) {
10060 vars->line_speed = SPEED_100;
10061 vars->duplex = DUPLEX_HALF;
10062 } else if (legacy_speed == (2<<8)) {
10063 vars->line_speed = SPEED_10;
10064 vars->duplex = DUPLEX_FULL;
10065 } else if (legacy_speed == (1<<8)) {
10066 vars->line_speed = SPEED_10;
10067 vars->duplex = DUPLEX_HALF;
10068 } else /* Should not happen */
10069 vars->line_speed = 0;
10070
10071 DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
10072 " is_duplex_full= %d\n", vars->line_speed,
10073 (vars->duplex == DUPLEX_FULL));
10074
10075 /* Check legacy speed AN resolution */
10076 bnx2x_cl22_read(bp, phy,
10077 0x01,
10078 &val);
10079 if (val & (1<<5))
10080 vars->link_status |=
10081 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10082 bnx2x_cl22_read(bp, phy,
10083 0x06,
10084 &val);
10085 if ((val & (1<<0)) == 0)
10086 vars->link_status |=
10087 LINK_STATUS_PARALLEL_DETECTION_USED;
10088
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010089 DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
Yaniv Rosner6583e332011-06-14 01:34:17 +000010090 vars->line_speed);
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010091
10092 /* Report whether EEE is resolved. */
10093 bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
10094 if (val == MDIO_REG_GPHY_ID_54618SE) {
10095 if (vars->link_status &
10096 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
10097 val = 0;
10098 else {
10099 bnx2x_cl22_write(bp, phy,
10100 MDIO_REG_GPHY_CL45_ADDR_REG,
10101 MDIO_AN_DEVAD);
10102 bnx2x_cl22_write(bp, phy,
10103 MDIO_REG_GPHY_CL45_DATA_REG,
10104 MDIO_REG_GPHY_EEE_RESOLVED);
10105 bnx2x_cl22_write(bp, phy,
10106 MDIO_REG_GPHY_CL45_ADDR_REG,
10107 (0x1 << 14) | MDIO_AN_DEVAD);
10108 bnx2x_cl22_read(bp, phy,
10109 MDIO_REG_GPHY_CL45_DATA_REG,
10110 &val);
10111 }
10112 DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
10113 }
10114
Yaniv Rosner6583e332011-06-14 01:34:17 +000010115 bnx2x_ext_phy_resolve_fc(phy, params, vars);
10116 }
10117 return link_up;
10118}
10119
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010120static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
10121 struct link_params *params)
Yaniv Rosner6583e332011-06-14 01:34:17 +000010122{
10123 struct bnx2x *bp = params->bp;
10124 u16 val;
10125 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
10126
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010127 DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
Yaniv Rosner6583e332011-06-14 01:34:17 +000010128
10129 /* Enable master/slave manual mmode and set to master */
10130 /* mii write 9 [bits set 11 12] */
10131 bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
10132
10133 /* forced 1G and disable autoneg */
10134 /* set val [mii read 0] */
10135 /* set val [expr $val & [bits clear 6 12 13]] */
10136 /* set val [expr $val | [bits set 6 8]] */
10137 /* mii write 0 $val */
10138 bnx2x_cl22_read(bp, phy, 0x00, &val);
10139 val &= ~((1<<6) | (1<<12) | (1<<13));
10140 val |= (1<<6) | (1<<8);
10141 bnx2x_cl22_write(bp, phy, 0x00, val);
10142
10143 /* Set external loopback and Tx using 6dB coding */
10144 /* mii write 0x18 7 */
10145 /* set val [mii read 0x18] */
10146 /* mii write 0x18 [expr $val | [bits set 10 15]] */
10147 bnx2x_cl22_write(bp, phy, 0x18, 7);
10148 bnx2x_cl22_read(bp, phy, 0x18, &val);
10149 bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
10150
10151 /* This register opens the gate for the UMAC despite its name */
10152 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
10153
10154 /*
10155 * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
10156 * length used by the MAC receive logic to check frames.
10157 */
10158 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
10159}
10160
10161/******************************************************************/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010162/* SFX7101 PHY SECTION */
10163/******************************************************************/
10164static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
10165 struct link_params *params)
10166{
10167 struct bnx2x *bp = params->bp;
10168 /* SFX7101_XGXS_TEST1 */
10169 bnx2x_cl45_write(bp, phy,
10170 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
10171}
10172
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010173static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
10174 struct link_params *params,
10175 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010176{
10177 u16 fw_ver1, fw_ver2, val;
10178 struct bnx2x *bp = params->bp;
10179 DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
10180
10181 /* Restore normal power mode*/
10182 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010183 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010184 /* HW reset */
10185 bnx2x_ext_phy_hw_reset(bp, params->port);
Yaniv Rosner6d870c32011-01-31 04:22:20 +000010186 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010187
10188 bnx2x_cl45_write(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +000010189 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010190 DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
10191 bnx2x_cl45_write(bp, phy,
10192 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
10193
10194 bnx2x_ext_phy_set_pause(params, phy, vars);
10195 /* Restart autoneg */
10196 bnx2x_cl45_read(bp, phy,
10197 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
10198 val |= 0x200;
10199 bnx2x_cl45_write(bp, phy,
10200 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
10201
10202 /* Save spirom version */
10203 bnx2x_cl45_read(bp, phy,
10204 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
10205
10206 bnx2x_cl45_read(bp, phy,
10207 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
10208 bnx2x_save_spirom_version(bp, params->port,
10209 (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
10210 return 0;
10211}
10212
10213static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
10214 struct link_params *params,
10215 struct link_vars *vars)
10216{
10217 struct bnx2x *bp = params->bp;
10218 u8 link_up;
10219 u16 val1, val2;
10220 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +000010221 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010222 bnx2x_cl45_read(bp, phy,
Yaniv Rosner60d2fe02011-06-14 01:34:38 +000010223 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010224 DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
10225 val2, val1);
10226 bnx2x_cl45_read(bp, phy,
10227 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
10228 bnx2x_cl45_read(bp, phy,
10229 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
10230 DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
10231 val2, val1);
10232 link_up = ((val1 & 4) == 4);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000010233 /* if link is up print the AN outcome of the SFX7101 PHY */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010234 if (link_up) {
10235 bnx2x_cl45_read(bp, phy,
10236 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
10237 &val2);
10238 vars->line_speed = SPEED_10000;
Yaniv Rosner791f18c2011-01-18 04:33:42 +000010239 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010240 DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
10241 val2, (val2 & (1<<14)));
10242 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
10243 bnx2x_ext_phy_resolve_fc(phy, params, vars);
10244 }
10245 return link_up;
10246}
10247
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010248static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010249{
10250 if (*len < 5)
10251 return -EINVAL;
10252 str[0] = (spirom_ver & 0xFF);
10253 str[1] = (spirom_ver & 0xFF00) >> 8;
10254 str[2] = (spirom_ver & 0xFF0000) >> 16;
10255 str[3] = (spirom_ver & 0xFF000000) >> 24;
10256 str[4] = '\0';
10257 *len -= 5;
10258 return 0;
10259}
10260
10261void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
10262{
10263 u16 val, cnt;
10264
10265 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010266 MDIO_PMA_DEVAD,
10267 MDIO_PMA_REG_7101_RESET, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010268
10269 for (cnt = 0; cnt < 10; cnt++) {
10270 msleep(50);
10271 /* Writes a self-clearing reset */
10272 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010273 MDIO_PMA_DEVAD,
10274 MDIO_PMA_REG_7101_RESET,
10275 (val | (1<<15)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010276 /* Wait for clear */
10277 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010278 MDIO_PMA_DEVAD,
10279 MDIO_PMA_REG_7101_RESET, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010280
10281 if ((val & (1<<15)) == 0)
10282 break;
10283 }
10284}
10285
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010286static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
10287 struct link_params *params) {
10288 /* Low power mode is controlled by GPIO 2 */
10289 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010290 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010291 /* The PHY reset is controlled by GPIO 1 */
10292 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010293 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010294}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000010295
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010296static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
10297 struct link_params *params, u8 mode)
10298{
10299 u16 val = 0;
10300 struct bnx2x *bp = params->bp;
10301 switch (mode) {
10302 case LED_MODE_FRONT_PANEL_OFF:
10303 case LED_MODE_OFF:
10304 val = 2;
10305 break;
10306 case LED_MODE_ON:
10307 val = 1;
10308 break;
10309 case LED_MODE_OPER:
10310 val = 0;
10311 break;
10312 }
10313 bnx2x_cl45_write(bp, phy,
10314 MDIO_PMA_DEVAD,
10315 MDIO_PMA_REG_7107_LINK_LED_CNTL,
10316 val);
10317}
10318
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010319/******************************************************************/
10320/* STATIC PHY DECLARATION */
10321/******************************************************************/
10322
10323static struct bnx2x_phy phy_null = {
10324 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
10325 .addr = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010326 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010327 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010328 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10329 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10330 .mdio_ctrl = 0,
10331 .supported = 0,
10332 .media_type = ETH_PHY_NOT_PRESENT,
10333 .ver_addr = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010334 .req_flow_ctrl = 0,
10335 .req_line_speed = 0,
10336 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010337 .req_duplex = 0,
10338 .rsrv = 0,
10339 .config_init = (config_init_t)NULL,
10340 .read_status = (read_status_t)NULL,
10341 .link_reset = (link_reset_t)NULL,
10342 .config_loopback = (config_loopback_t)NULL,
10343 .format_fw_ver = (format_fw_ver_t)NULL,
10344 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010345 .set_link_led = (set_link_led_t)NULL,
10346 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010347};
10348
10349static struct bnx2x_phy phy_serdes = {
10350 .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
10351 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010352 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010353 .flags = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010354 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10355 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10356 .mdio_ctrl = 0,
10357 .supported = (SUPPORTED_10baseT_Half |
10358 SUPPORTED_10baseT_Full |
10359 SUPPORTED_100baseT_Half |
10360 SUPPORTED_100baseT_Full |
10361 SUPPORTED_1000baseT_Full |
10362 SUPPORTED_2500baseX_Full |
10363 SUPPORTED_TP |
10364 SUPPORTED_Autoneg |
10365 SUPPORTED_Pause |
10366 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000010367 .media_type = ETH_PHY_BASE_T,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010368 .ver_addr = 0,
10369 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010370 .req_line_speed = 0,
10371 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010372 .req_duplex = 0,
10373 .rsrv = 0,
Yaniv Rosnerec146a62011-05-31 21:29:27 +000010374 .config_init = (config_init_t)bnx2x_xgxs_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010375 .read_status = (read_status_t)bnx2x_link_settings_status,
10376 .link_reset = (link_reset_t)bnx2x_int_link_reset,
10377 .config_loopback = (config_loopback_t)NULL,
10378 .format_fw_ver = (format_fw_ver_t)NULL,
10379 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010380 .set_link_led = (set_link_led_t)NULL,
10381 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010382};
10383
10384static struct bnx2x_phy phy_xgxs = {
10385 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
10386 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010387 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010388 .flags = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010389 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10390 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10391 .mdio_ctrl = 0,
10392 .supported = (SUPPORTED_10baseT_Half |
10393 SUPPORTED_10baseT_Full |
10394 SUPPORTED_100baseT_Half |
10395 SUPPORTED_100baseT_Full |
10396 SUPPORTED_1000baseT_Full |
10397 SUPPORTED_2500baseX_Full |
10398 SUPPORTED_10000baseT_Full |
10399 SUPPORTED_FIBRE |
10400 SUPPORTED_Autoneg |
10401 SUPPORTED_Pause |
10402 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000010403 .media_type = ETH_PHY_CX4,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010404 .ver_addr = 0,
10405 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010406 .req_line_speed = 0,
10407 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010408 .req_duplex = 0,
10409 .rsrv = 0,
Yaniv Rosnerec146a62011-05-31 21:29:27 +000010410 .config_init = (config_init_t)bnx2x_xgxs_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010411 .read_status = (read_status_t)bnx2x_link_settings_status,
10412 .link_reset = (link_reset_t)bnx2x_int_link_reset,
10413 .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
10414 .format_fw_ver = (format_fw_ver_t)NULL,
10415 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010416 .set_link_led = (set_link_led_t)NULL,
10417 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010418};
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010419static struct bnx2x_phy phy_warpcore = {
10420 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
10421 .addr = 0xff,
10422 .def_md_devad = 0,
10423 .flags = FLAGS_HW_LOCK_REQUIRED,
10424 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10425 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10426 .mdio_ctrl = 0,
10427 .supported = (SUPPORTED_10baseT_Half |
10428 SUPPORTED_10baseT_Full |
10429 SUPPORTED_100baseT_Half |
10430 SUPPORTED_100baseT_Full |
10431 SUPPORTED_1000baseT_Full |
10432 SUPPORTED_10000baseT_Full |
10433 SUPPORTED_20000baseKR2_Full |
10434 SUPPORTED_20000baseMLD2_Full |
10435 SUPPORTED_FIBRE |
10436 SUPPORTED_Autoneg |
10437 SUPPORTED_Pause |
10438 SUPPORTED_Asym_Pause),
10439 .media_type = ETH_PHY_UNSPECIFIED,
10440 .ver_addr = 0,
10441 .req_flow_ctrl = 0,
10442 .req_line_speed = 0,
10443 .speed_cap_mask = 0,
10444 /* req_duplex = */0,
10445 /* rsrv = */0,
10446 .config_init = (config_init_t)bnx2x_warpcore_config_init,
10447 .read_status = (read_status_t)bnx2x_warpcore_read_status,
10448 .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
10449 .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
10450 .format_fw_ver = (format_fw_ver_t)NULL,
10451 .hw_reset = (hw_reset_t)NULL,
10452 .set_link_led = (set_link_led_t)NULL,
10453 .phy_specific_func = (phy_specific_func_t)NULL
10454};
10455
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010456
10457static struct bnx2x_phy phy_7101 = {
10458 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
10459 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010460 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010461 .flags = FLAGS_FAN_FAILURE_DET_REQ,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010462 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10463 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10464 .mdio_ctrl = 0,
10465 .supported = (SUPPORTED_10000baseT_Full |
10466 SUPPORTED_TP |
10467 SUPPORTED_Autoneg |
10468 SUPPORTED_Pause |
10469 SUPPORTED_Asym_Pause),
10470 .media_type = ETH_PHY_BASE_T,
10471 .ver_addr = 0,
10472 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010473 .req_line_speed = 0,
10474 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010475 .req_duplex = 0,
10476 .rsrv = 0,
10477 .config_init = (config_init_t)bnx2x_7101_config_init,
10478 .read_status = (read_status_t)bnx2x_7101_read_status,
10479 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
10480 .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
10481 .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
10482 .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010483 .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010484 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010485};
10486static struct bnx2x_phy phy_8073 = {
10487 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
10488 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010489 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010490 .flags = FLAGS_HW_LOCK_REQUIRED,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010491 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10492 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10493 .mdio_ctrl = 0,
10494 .supported = (SUPPORTED_10000baseT_Full |
10495 SUPPORTED_2500baseX_Full |
10496 SUPPORTED_1000baseT_Full |
10497 SUPPORTED_FIBRE |
10498 SUPPORTED_Autoneg |
10499 SUPPORTED_Pause |
10500 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000010501 .media_type = ETH_PHY_KR,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010502 .ver_addr = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010503 .req_flow_ctrl = 0,
10504 .req_line_speed = 0,
10505 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010506 .req_duplex = 0,
10507 .rsrv = 0,
Yaniv Rosner62b29a52010-09-07 11:40:58 +000010508 .config_init = (config_init_t)bnx2x_8073_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010509 .read_status = (read_status_t)bnx2x_8073_read_status,
10510 .link_reset = (link_reset_t)bnx2x_8073_link_reset,
10511 .config_loopback = (config_loopback_t)NULL,
10512 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
10513 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010514 .set_link_led = (set_link_led_t)NULL,
10515 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010516};
10517static struct bnx2x_phy phy_8705 = {
10518 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
10519 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010520 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010521 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010522 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10523 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10524 .mdio_ctrl = 0,
10525 .supported = (SUPPORTED_10000baseT_Full |
10526 SUPPORTED_FIBRE |
10527 SUPPORTED_Pause |
10528 SUPPORTED_Asym_Pause),
10529 .media_type = ETH_PHY_XFP_FIBER,
10530 .ver_addr = 0,
10531 .req_flow_ctrl = 0,
10532 .req_line_speed = 0,
10533 .speed_cap_mask = 0,
10534 .req_duplex = 0,
10535 .rsrv = 0,
10536 .config_init = (config_init_t)bnx2x_8705_config_init,
10537 .read_status = (read_status_t)bnx2x_8705_read_status,
10538 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
10539 .config_loopback = (config_loopback_t)NULL,
10540 .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
10541 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010542 .set_link_led = (set_link_led_t)NULL,
10543 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010544};
10545static struct bnx2x_phy phy_8706 = {
10546 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
10547 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010548 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010549 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010550 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10551 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10552 .mdio_ctrl = 0,
10553 .supported = (SUPPORTED_10000baseT_Full |
10554 SUPPORTED_1000baseT_Full |
10555 SUPPORTED_FIBRE |
10556 SUPPORTED_Pause |
10557 SUPPORTED_Asym_Pause),
10558 .media_type = ETH_PHY_SFP_FIBER,
10559 .ver_addr = 0,
10560 .req_flow_ctrl = 0,
10561 .req_line_speed = 0,
10562 .speed_cap_mask = 0,
10563 .req_duplex = 0,
10564 .rsrv = 0,
10565 .config_init = (config_init_t)bnx2x_8706_config_init,
10566 .read_status = (read_status_t)bnx2x_8706_read_status,
10567 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
10568 .config_loopback = (config_loopback_t)NULL,
10569 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
10570 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010571 .set_link_led = (set_link_led_t)NULL,
10572 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010573};
10574
10575static struct bnx2x_phy phy_8726 = {
10576 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
10577 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010578 .def_md_devad = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010579 .flags = (FLAGS_HW_LOCK_REQUIRED |
10580 FLAGS_INIT_XGXS_FIRST),
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010581 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10582 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10583 .mdio_ctrl = 0,
10584 .supported = (SUPPORTED_10000baseT_Full |
10585 SUPPORTED_1000baseT_Full |
10586 SUPPORTED_Autoneg |
10587 SUPPORTED_FIBRE |
10588 SUPPORTED_Pause |
10589 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000010590 .media_type = ETH_PHY_NOT_PRESENT,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010591 .ver_addr = 0,
10592 .req_flow_ctrl = 0,
10593 .req_line_speed = 0,
10594 .speed_cap_mask = 0,
10595 .req_duplex = 0,
10596 .rsrv = 0,
10597 .config_init = (config_init_t)bnx2x_8726_config_init,
10598 .read_status = (read_status_t)bnx2x_8726_read_status,
10599 .link_reset = (link_reset_t)bnx2x_8726_link_reset,
10600 .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
10601 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
10602 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010603 .set_link_led = (set_link_led_t)NULL,
10604 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010605};
10606
10607static struct bnx2x_phy phy_8727 = {
10608 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
10609 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010610 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010611 .flags = FLAGS_FAN_FAILURE_DET_REQ,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010612 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10613 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10614 .mdio_ctrl = 0,
10615 .supported = (SUPPORTED_10000baseT_Full |
10616 SUPPORTED_1000baseT_Full |
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010617 SUPPORTED_FIBRE |
10618 SUPPORTED_Pause |
10619 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000010620 .media_type = ETH_PHY_NOT_PRESENT,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010621 .ver_addr = 0,
10622 .req_flow_ctrl = 0,
10623 .req_line_speed = 0,
10624 .speed_cap_mask = 0,
10625 .req_duplex = 0,
10626 .rsrv = 0,
10627 .config_init = (config_init_t)bnx2x_8727_config_init,
10628 .read_status = (read_status_t)bnx2x_8727_read_status,
10629 .link_reset = (link_reset_t)bnx2x_8727_link_reset,
10630 .config_loopback = (config_loopback_t)NULL,
10631 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
10632 .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010633 .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010634 .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010635};
10636static struct bnx2x_phy phy_8481 = {
10637 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
10638 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010639 .def_md_devad = 0,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010640 .flags = FLAGS_FAN_FAILURE_DET_REQ |
10641 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010642 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10643 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10644 .mdio_ctrl = 0,
10645 .supported = (SUPPORTED_10baseT_Half |
10646 SUPPORTED_10baseT_Full |
10647 SUPPORTED_100baseT_Half |
10648 SUPPORTED_100baseT_Full |
10649 SUPPORTED_1000baseT_Full |
10650 SUPPORTED_10000baseT_Full |
10651 SUPPORTED_TP |
10652 SUPPORTED_Autoneg |
10653 SUPPORTED_Pause |
10654 SUPPORTED_Asym_Pause),
10655 .media_type = ETH_PHY_BASE_T,
10656 .ver_addr = 0,
10657 .req_flow_ctrl = 0,
10658 .req_line_speed = 0,
10659 .speed_cap_mask = 0,
10660 .req_duplex = 0,
10661 .rsrv = 0,
10662 .config_init = (config_init_t)bnx2x_8481_config_init,
10663 .read_status = (read_status_t)bnx2x_848xx_read_status,
10664 .link_reset = (link_reset_t)bnx2x_8481_link_reset,
10665 .config_loopback = (config_loopback_t)NULL,
10666 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
10667 .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010668 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010669 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010670};
10671
10672static struct bnx2x_phy phy_84823 = {
10673 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
10674 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010675 .def_md_devad = 0,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010676 .flags = FLAGS_FAN_FAILURE_DET_REQ |
10677 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010678 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10679 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10680 .mdio_ctrl = 0,
10681 .supported = (SUPPORTED_10baseT_Half |
10682 SUPPORTED_10baseT_Full |
10683 SUPPORTED_100baseT_Half |
10684 SUPPORTED_100baseT_Full |
10685 SUPPORTED_1000baseT_Full |
10686 SUPPORTED_10000baseT_Full |
10687 SUPPORTED_TP |
10688 SUPPORTED_Autoneg |
10689 SUPPORTED_Pause |
10690 SUPPORTED_Asym_Pause),
10691 .media_type = ETH_PHY_BASE_T,
10692 .ver_addr = 0,
10693 .req_flow_ctrl = 0,
10694 .req_line_speed = 0,
10695 .speed_cap_mask = 0,
10696 .req_duplex = 0,
10697 .rsrv = 0,
10698 .config_init = (config_init_t)bnx2x_848x3_config_init,
10699 .read_status = (read_status_t)bnx2x_848xx_read_status,
10700 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
10701 .config_loopback = (config_loopback_t)NULL,
10702 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
10703 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000010704 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010705 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010706};
10707
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000010708static struct bnx2x_phy phy_84833 = {
10709 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
10710 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000010711 .def_md_devad = 0,
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000010712 .flags = FLAGS_FAN_FAILURE_DET_REQ |
10713 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000010714 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10715 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10716 .mdio_ctrl = 0,
10717 .supported = (SUPPORTED_10baseT_Half |
10718 SUPPORTED_10baseT_Full |
10719 SUPPORTED_100baseT_Half |
10720 SUPPORTED_100baseT_Full |
10721 SUPPORTED_1000baseT_Full |
10722 SUPPORTED_10000baseT_Full |
10723 SUPPORTED_TP |
10724 SUPPORTED_Autoneg |
10725 SUPPORTED_Pause |
10726 SUPPORTED_Asym_Pause),
10727 .media_type = ETH_PHY_BASE_T,
10728 .ver_addr = 0,
10729 .req_flow_ctrl = 0,
10730 .req_line_speed = 0,
10731 .speed_cap_mask = 0,
10732 .req_duplex = 0,
10733 .rsrv = 0,
10734 .config_init = (config_init_t)bnx2x_848x3_config_init,
10735 .read_status = (read_status_t)bnx2x_848xx_read_status,
10736 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
10737 .config_loopback = (config_loopback_t)NULL,
10738 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
10739 .hw_reset = (hw_reset_t)NULL,
10740 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
10741 .phy_specific_func = (phy_specific_func_t)NULL
10742};
10743
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010744static struct bnx2x_phy phy_54618se = {
10745 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
Yaniv Rosner6583e332011-06-14 01:34:17 +000010746 .addr = 0xff,
10747 .def_md_devad = 0,
10748 .flags = FLAGS_INIT_XGXS_FIRST,
10749 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10750 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10751 .mdio_ctrl = 0,
10752 .supported = (SUPPORTED_10baseT_Half |
10753 SUPPORTED_10baseT_Full |
10754 SUPPORTED_100baseT_Half |
10755 SUPPORTED_100baseT_Full |
10756 SUPPORTED_1000baseT_Full |
10757 SUPPORTED_TP |
10758 SUPPORTED_Autoneg |
10759 SUPPORTED_Pause |
10760 SUPPORTED_Asym_Pause),
10761 .media_type = ETH_PHY_BASE_T,
10762 .ver_addr = 0,
10763 .req_flow_ctrl = 0,
10764 .req_line_speed = 0,
10765 .speed_cap_mask = 0,
10766 /* req_duplex = */0,
10767 /* rsrv = */0,
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010768 .config_init = (config_init_t)bnx2x_54618se_config_init,
10769 .read_status = (read_status_t)bnx2x_54618se_read_status,
10770 .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
10771 .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
Yaniv Rosner6583e332011-06-14 01:34:17 +000010772 .format_fw_ver = (format_fw_ver_t)NULL,
10773 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000010774 .set_link_led = (set_link_led_t)bnx2x_54618se_set_link_led,
Yaniv Rosner6583e332011-06-14 01:34:17 +000010775 .phy_specific_func = (phy_specific_func_t)NULL
10776};
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010777/*****************************************************************/
10778/* */
10779/* Populate the phy according. Main function: bnx2x_populate_phy */
10780/* */
10781/*****************************************************************/
10782
10783static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
10784 struct bnx2x_phy *phy, u8 port,
10785 u8 phy_index)
10786{
10787 /* Get the 4 lanes xgxs config rx and tx */
10788 u32 rx = 0, tx = 0, i;
10789 for (i = 0; i < 2; i++) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000010790 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010791 * INT_PHY and EXT_PHY1 share the same value location in the
10792 * shmem. When num_phys is greater than 1, than this value
10793 * applies only to EXT_PHY1
10794 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010795 if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
10796 rx = REG_RD(bp, shmem_base +
10797 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010798 dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010799
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010800 tx = REG_RD(bp, shmem_base +
10801 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010802 dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010803 } else {
10804 rx = REG_RD(bp, shmem_base +
10805 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010806 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010807
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010808 tx = REG_RD(bp, shmem_base +
10809 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000010810 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010811 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010812
10813 phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
10814 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
10815
10816 phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
10817 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
10818 }
10819}
10820
Yaniv Rosnere10bc842010-09-07 11:40:50 +000010821static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
10822 u8 phy_index, u8 port)
10823{
10824 u32 ext_phy_config = 0;
10825 switch (phy_index) {
10826 case EXT_PHY1:
10827 ext_phy_config = REG_RD(bp, shmem_base +
10828 offsetof(struct shmem_region,
10829 dev_info.port_hw_config[port].external_phy_config));
10830 break;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010831 case EXT_PHY2:
10832 ext_phy_config = REG_RD(bp, shmem_base +
10833 offsetof(struct shmem_region,
10834 dev_info.port_hw_config[port].external_phy_config2));
10835 break;
Yaniv Rosnere10bc842010-09-07 11:40:50 +000010836 default:
10837 DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
10838 return -EINVAL;
10839 }
10840
10841 return ext_phy_config;
10842}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010843static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
10844 struct bnx2x_phy *phy)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010845{
10846 u32 phy_addr;
10847 u32 chip_id;
10848 u32 switch_cfg = (REG_RD(bp, shmem_base +
10849 offsetof(struct shmem_region,
10850 dev_info.port_feature_config[port].link_config)) &
10851 PORT_FEATURE_CONNECTED_SWITCH_MASK);
10852 chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010853 DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
10854 if (USES_WARPCORE(bp)) {
10855 u32 serdes_net_if;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010856 phy_addr = REG_RD(bp,
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010857 MISC_REG_WC0_CTRL_PHY_ADDR);
10858 *phy = phy_warpcore;
10859 if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
10860 phy->flags |= FLAGS_4_PORT_MODE;
10861 else
10862 phy->flags &= ~FLAGS_4_PORT_MODE;
10863 /* Check Dual mode */
10864 serdes_net_if = (REG_RD(bp, shmem_base +
10865 offsetof(struct shmem_region, dev_info.
10866 port_hw_config[port].default_cfg)) &
10867 PORT_HW_CFG_NET_SERDES_IF_MASK);
10868 /*
10869 * Set the appropriate supported and flags indications per
10870 * interface type of the chip
10871 */
10872 switch (serdes_net_if) {
10873 case PORT_HW_CFG_NET_SERDES_IF_SGMII:
10874 phy->supported &= (SUPPORTED_10baseT_Half |
10875 SUPPORTED_10baseT_Full |
10876 SUPPORTED_100baseT_Half |
10877 SUPPORTED_100baseT_Full |
10878 SUPPORTED_1000baseT_Full |
10879 SUPPORTED_FIBRE |
10880 SUPPORTED_Autoneg |
10881 SUPPORTED_Pause |
10882 SUPPORTED_Asym_Pause);
10883 phy->media_type = ETH_PHY_BASE_T;
10884 break;
10885 case PORT_HW_CFG_NET_SERDES_IF_XFI:
10886 phy->media_type = ETH_PHY_XFP_FIBER;
10887 break;
10888 case PORT_HW_CFG_NET_SERDES_IF_SFI:
10889 phy->supported &= (SUPPORTED_1000baseT_Full |
10890 SUPPORTED_10000baseT_Full |
10891 SUPPORTED_FIBRE |
10892 SUPPORTED_Pause |
10893 SUPPORTED_Asym_Pause);
10894 phy->media_type = ETH_PHY_SFP_FIBER;
10895 break;
10896 case PORT_HW_CFG_NET_SERDES_IF_KR:
10897 phy->media_type = ETH_PHY_KR;
10898 phy->supported &= (SUPPORTED_1000baseT_Full |
10899 SUPPORTED_10000baseT_Full |
10900 SUPPORTED_FIBRE |
10901 SUPPORTED_Autoneg |
10902 SUPPORTED_Pause |
10903 SUPPORTED_Asym_Pause);
10904 break;
10905 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
10906 phy->media_type = ETH_PHY_KR;
10907 phy->flags |= FLAGS_WC_DUAL_MODE;
10908 phy->supported &= (SUPPORTED_20000baseMLD2_Full |
10909 SUPPORTED_FIBRE |
10910 SUPPORTED_Pause |
10911 SUPPORTED_Asym_Pause);
10912 break;
10913 case PORT_HW_CFG_NET_SERDES_IF_KR2:
10914 phy->media_type = ETH_PHY_KR;
10915 phy->flags |= FLAGS_WC_DUAL_MODE;
10916 phy->supported &= (SUPPORTED_20000baseKR2_Full |
10917 SUPPORTED_FIBRE |
10918 SUPPORTED_Pause |
10919 SUPPORTED_Asym_Pause);
10920 break;
10921 default:
10922 DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
10923 serdes_net_if);
10924 break;
10925 }
10926
10927 /*
10928 * Enable MDC/MDIO work-around for E3 A0 since free running MDC
10929 * was not set as expected. For B0, ECO will be enabled so there
10930 * won't be an issue there
10931 */
10932 if (CHIP_REV(bp) == CHIP_REV_Ax)
10933 phy->flags |= FLAGS_MDC_MDIO_WA;
10934 } else {
10935 switch (switch_cfg) {
10936 case SWITCH_CFG_1G:
10937 phy_addr = REG_RD(bp,
10938 NIG_REG_SERDES0_CTRL_PHY_ADDR +
10939 port * 0x10);
10940 *phy = phy_serdes;
10941 break;
10942 case SWITCH_CFG_10G:
10943 phy_addr = REG_RD(bp,
10944 NIG_REG_XGXS0_CTRL_PHY_ADDR +
10945 port * 0x18);
10946 *phy = phy_xgxs;
10947 break;
10948 default:
10949 DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
10950 return -EINVAL;
10951 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010952 }
10953 phy->addr = (u8)phy_addr;
10954 phy->mdio_ctrl = bnx2x_get_emac_base(bp,
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000010955 SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010956 port);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010957 if (CHIP_IS_E2(bp))
10958 phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
10959 else
10960 phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010961
10962 DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
10963 port, phy->addr, phy->mdio_ctrl);
10964
10965 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
10966 return 0;
10967}
Yaniv Rosnere10bc842010-09-07 11:40:50 +000010968
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000010969static int bnx2x_populate_ext_phy(struct bnx2x *bp,
10970 u8 phy_index,
10971 u32 shmem_base,
10972 u32 shmem2_base,
10973 u8 port,
10974 struct bnx2x_phy *phy)
Yaniv Rosnere10bc842010-09-07 11:40:50 +000010975{
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000010976 u32 ext_phy_config, phy_type, config2;
10977 u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
Yaniv Rosnere10bc842010-09-07 11:40:50 +000010978 ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
10979 phy_index, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010980 phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
10981 /* Select the phy type */
10982 switch (phy_type) {
10983 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000010984 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010985 *phy = phy_8073;
10986 break;
10987 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
10988 *phy = phy_8705;
10989 break;
10990 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
10991 *phy = phy_8706;
10992 break;
10993 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000010994 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010995 *phy = phy_8726;
10996 break;
10997 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
10998 /* BCM8727_NOC => BCM8727 no over current */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000010999 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011000 *phy = phy_8727;
11001 phy->flags |= FLAGS_NOC;
11002 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +000011003 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011004 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011005 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011006 *phy = phy_8727;
11007 break;
11008 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
11009 *phy = phy_8481;
11010 break;
11011 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
11012 *phy = phy_84823;
11013 break;
Yaniv Rosnerc87bca12011-01-31 04:22:41 +000011014 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
11015 *phy = phy_84833;
11016 break;
Yaniv Rosner52c4d6c2011-07-05 01:06:34 +000011017 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
11018 *phy = phy_54618se;
Yaniv Rosner6583e332011-06-14 01:34:17 +000011019 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011020 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
11021 *phy = phy_7101;
11022 break;
11023 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
11024 *phy = phy_null;
11025 return -EINVAL;
11026 default:
11027 *phy = phy_null;
11028 return 0;
11029 }
11030
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011031 phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011032 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
Yaniv Rosner62b29a52010-09-07 11:40:58 +000011033
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000011034 /*
11035 * The shmem address of the phy version is located on different
11036 * structures. In case this structure is too old, do not set
11037 * the address
11038 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011039 config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
11040 dev_info.shared_hw_config.config2));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011041 if (phy_index == EXT_PHY1) {
11042 phy->ver_addr = shmem_base + offsetof(struct shmem_region,
11043 port_mb[port].ext_phy_fw_version);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011044
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011045 /* Check specific mdc mdio settings */
11046 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
11047 mdc_mdio_access = config2 &
11048 SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011049 } else {
11050 u32 size = REG_RD(bp, shmem2_base);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011051
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011052 if (size >
11053 offsetof(struct shmem2_region, ext_phy_fw_version2)) {
11054 phy->ver_addr = shmem2_base +
11055 offsetof(struct shmem2_region,
11056 ext_phy_fw_version2[port]);
11057 }
11058 /* Check specific mdc mdio settings */
11059 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
11060 mdc_mdio_access = (config2 &
11061 SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
11062 (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
11063 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
11064 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011065 phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
11066
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000011067 /*
Yaniv Rosnerc18aa152010-09-07 11:41:07 +000011068 * In case mdc/mdio_access of the external phy is different than the
11069 * mdc/mdio access of the XGXS, a HW lock must be taken in each access
11070 * to prevent one port interfere with another port's CL45 operations.
11071 */
11072 if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
11073 phy->flags |= FLAGS_HW_LOCK_REQUIRED;
11074 DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
11075 phy_type, port, phy_index);
11076 DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
11077 phy->addr, phy->mdio_ctrl);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011078 return 0;
11079}
11080
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011081static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
11082 u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011083{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011084 int status = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011085 phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
11086 if (phy_index == INT_PHY)
11087 return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011088 status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011089 port, phy);
11090 return status;
11091}
11092
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011093static void bnx2x_phy_def_cfg(struct link_params *params,
11094 struct bnx2x_phy *phy,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011095 u8 phy_index)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011096{
11097 struct bnx2x *bp = params->bp;
11098 u32 link_config;
11099 /* Populate the default phy configuration for MF mode */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011100 if (phy_index == EXT_PHY2) {
11101 link_config = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011102 offsetof(struct shmem_region, dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011103 port_feature_config[params->port].link_config2));
11104 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011105 offsetof(struct shmem_region,
11106 dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011107 port_hw_config[params->port].speed_capability_mask2));
11108 } else {
11109 link_config = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011110 offsetof(struct shmem_region, dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011111 port_feature_config[params->port].link_config));
11112 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011113 offsetof(struct shmem_region,
11114 dev_info.
11115 port_hw_config[params->port].speed_capability_mask));
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011116 }
11117 DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
11118 " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011119
11120 phy->req_duplex = DUPLEX_FULL;
11121 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
11122 case PORT_FEATURE_LINK_SPEED_10M_HALF:
11123 phy->req_duplex = DUPLEX_HALF;
11124 case PORT_FEATURE_LINK_SPEED_10M_FULL:
11125 phy->req_line_speed = SPEED_10;
11126 break;
11127 case PORT_FEATURE_LINK_SPEED_100M_HALF:
11128 phy->req_duplex = DUPLEX_HALF;
11129 case PORT_FEATURE_LINK_SPEED_100M_FULL:
11130 phy->req_line_speed = SPEED_100;
11131 break;
11132 case PORT_FEATURE_LINK_SPEED_1G:
11133 phy->req_line_speed = SPEED_1000;
11134 break;
11135 case PORT_FEATURE_LINK_SPEED_2_5G:
11136 phy->req_line_speed = SPEED_2500;
11137 break;
11138 case PORT_FEATURE_LINK_SPEED_10G_CX4:
11139 phy->req_line_speed = SPEED_10000;
11140 break;
11141 default:
11142 phy->req_line_speed = SPEED_AUTO_NEG;
11143 break;
11144 }
11145
11146 switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
11147 case PORT_FEATURE_FLOW_CONTROL_AUTO:
11148 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
11149 break;
11150 case PORT_FEATURE_FLOW_CONTROL_TX:
11151 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
11152 break;
11153 case PORT_FEATURE_FLOW_CONTROL_RX:
11154 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
11155 break;
11156 case PORT_FEATURE_FLOW_CONTROL_BOTH:
11157 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
11158 break;
11159 default:
11160 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11161 break;
11162 }
11163}
11164
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011165u32 bnx2x_phy_selection(struct link_params *params)
11166{
11167 u32 phy_config_swapped, prio_cfg;
11168 u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
11169
11170 phy_config_swapped = params->multi_phy_config &
11171 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
11172
11173 prio_cfg = params->multi_phy_config &
11174 PORT_HW_CFG_PHY_SELECTION_MASK;
11175
11176 if (phy_config_swapped) {
11177 switch (prio_cfg) {
11178 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
11179 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
11180 break;
11181 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
11182 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
11183 break;
11184 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
11185 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
11186 break;
11187 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
11188 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
11189 break;
11190 }
11191 } else
11192 return_cfg = prio_cfg;
11193
11194 return return_cfg;
11195}
11196
11197
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011198int bnx2x_phy_probe(struct link_params *params)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011199{
11200 u8 phy_index, actual_phy_idx, link_cfg_idx;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011201 u32 phy_config_swapped, sync_offset, media_types;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011202 struct bnx2x *bp = params->bp;
11203 struct bnx2x_phy *phy;
11204 params->num_phys = 0;
11205 DP(NETIF_MSG_LINK, "Begin phy probe\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011206 phy_config_swapped = params->multi_phy_config &
11207 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011208
11209 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
11210 phy_index++) {
11211 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
11212 actual_phy_idx = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011213 if (phy_config_swapped) {
11214 if (phy_index == EXT_PHY1)
11215 actual_phy_idx = EXT_PHY2;
11216 else if (phy_index == EXT_PHY2)
11217 actual_phy_idx = EXT_PHY1;
11218 }
11219 DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
11220 " actual_phy_idx %x\n", phy_config_swapped,
11221 phy_index, actual_phy_idx);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011222 phy = &params->phy[actual_phy_idx];
11223 if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011224 params->shmem2_base, params->port,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011225 phy) != 0) {
11226 params->num_phys = 0;
11227 DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
11228 phy_index);
11229 for (phy_index = INT_PHY;
11230 phy_index < MAX_PHYS;
11231 phy_index++)
11232 *phy = phy_null;
11233 return -EINVAL;
11234 }
11235 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
11236 break;
11237
Yaniv Rosner1ac9e422011-05-31 21:26:11 +000011238 sync_offset = params->shmem_base +
11239 offsetof(struct shmem_region,
11240 dev_info.port_hw_config[params->port].media_type);
11241 media_types = REG_RD(bp, sync_offset);
11242
11243 /*
11244 * Update media type for non-PMF sync only for the first time
11245 * In case the media type changes afterwards, it will be updated
11246 * using the update_status function
11247 */
11248 if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
11249 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
11250 actual_phy_idx))) == 0) {
11251 media_types |= ((phy->media_type &
11252 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
11253 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
11254 actual_phy_idx));
11255 }
11256 REG_WR(bp, sync_offset, media_types);
11257
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011258 bnx2x_phy_def_cfg(params, phy, phy_index);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011259 params->num_phys++;
11260 }
11261
11262 DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
11263 return 0;
11264}
11265
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011266void bnx2x_init_bmac_loopback(struct link_params *params,
11267 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011268{
11269 struct bnx2x *bp = params->bp;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011270 vars->link_up = 1;
11271 vars->line_speed = SPEED_10000;
11272 vars->duplex = DUPLEX_FULL;
11273 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11274 vars->mac_type = MAC_TYPE_BMAC;
11275
11276 vars->phy_flags = PHY_XGXS_FLAG;
11277
11278 bnx2x_xgxs_deassert(params);
11279
11280 /* set bmac loopback */
11281 bnx2x_bmac_enable(params, vars, 1);
11282
11283 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11284}
11285
11286void bnx2x_init_emac_loopback(struct link_params *params,
11287 struct link_vars *vars)
11288{
11289 struct bnx2x *bp = params->bp;
11290 vars->link_up = 1;
11291 vars->line_speed = SPEED_1000;
11292 vars->duplex = DUPLEX_FULL;
11293 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11294 vars->mac_type = MAC_TYPE_EMAC;
11295
11296 vars->phy_flags = PHY_XGXS_FLAG;
11297
11298 bnx2x_xgxs_deassert(params);
11299 /* set bmac loopback */
11300 bnx2x_emac_enable(params, vars, 1);
11301 bnx2x_emac_program(params, vars);
11302 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11303}
11304
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011305void bnx2x_init_xmac_loopback(struct link_params *params,
11306 struct link_vars *vars)
11307{
11308 struct bnx2x *bp = params->bp;
11309 vars->link_up = 1;
11310 if (!params->req_line_speed[0])
11311 vars->line_speed = SPEED_10000;
11312 else
11313 vars->line_speed = params->req_line_speed[0];
11314 vars->duplex = DUPLEX_FULL;
11315 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11316 vars->mac_type = MAC_TYPE_XMAC;
11317 vars->phy_flags = PHY_XGXS_FLAG;
11318 /*
11319 * Set WC to loopback mode since link is required to provide clock
11320 * to the XMAC in 20G mode
11321 */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011322 if (vars->line_speed == SPEED_20000) {
11323 bnx2x_set_aer_mmd(params, &params->phy[0]);
11324 bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
11325 params->phy[INT_PHY].config_loopback(
11326 &params->phy[INT_PHY],
11327 params);
11328 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011329 bnx2x_xmac_enable(params, vars, 1);
11330 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11331}
11332
11333void bnx2x_init_umac_loopback(struct link_params *params,
11334 struct link_vars *vars)
11335{
11336 struct bnx2x *bp = params->bp;
11337 vars->link_up = 1;
11338 vars->line_speed = SPEED_1000;
11339 vars->duplex = DUPLEX_FULL;
11340 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11341 vars->mac_type = MAC_TYPE_UMAC;
11342 vars->phy_flags = PHY_XGXS_FLAG;
11343 bnx2x_umac_enable(params, vars, 1);
11344
11345 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11346}
11347
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011348void bnx2x_init_xgxs_loopback(struct link_params *params,
11349 struct link_vars *vars)
11350{
11351 struct bnx2x *bp = params->bp;
11352 vars->link_up = 1;
11353 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11354 vars->duplex = DUPLEX_FULL;
11355 if (params->req_line_speed[0] == SPEED_1000)
11356 vars->line_speed = SPEED_1000;
11357 else
11358 vars->line_speed = SPEED_10000;
11359
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011360 if (!USES_WARPCORE(bp))
11361 bnx2x_xgxs_deassert(params);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011362 bnx2x_link_initialize(params, vars);
11363
11364 if (params->req_line_speed[0] == SPEED_1000) {
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011365 if (USES_WARPCORE(bp))
11366 bnx2x_umac_enable(params, vars, 0);
11367 else {
11368 bnx2x_emac_program(params, vars);
11369 bnx2x_emac_enable(params, vars, 0);
11370 }
11371 } else {
11372 if (USES_WARPCORE(bp))
11373 bnx2x_xmac_enable(params, vars, 0);
11374 else
11375 bnx2x_bmac_enable(params, vars, 0);
11376 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011377
11378 if (params->loopback_mode == LOOPBACK_XGXS) {
11379 /* set 10G XGXS loopback */
11380 params->phy[INT_PHY].config_loopback(
11381 &params->phy[INT_PHY],
11382 params);
11383
11384 } else {
11385 /* set external phy loopback */
11386 u8 phy_index;
11387 for (phy_index = EXT_PHY1;
11388 phy_index < params->num_phys; phy_index++) {
11389 if (params->phy[phy_index].config_loopback)
11390 params->phy[phy_index].config_loopback(
11391 &params->phy[phy_index],
11392 params);
11393 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011394 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011395 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011396
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011397 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011398}
11399
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011400int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011401{
11402 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011403 DP(NETIF_MSG_LINK, "Phy Initialization started\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011404 DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
11405 params->req_line_speed[0], params->req_flow_ctrl[0]);
11406 DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
11407 params->req_line_speed[1], params->req_flow_ctrl[1]);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011408 vars->link_status = 0;
11409 vars->phy_link_up = 0;
11410 vars->link_up = 0;
11411 vars->line_speed = 0;
11412 vars->duplex = DUPLEX_FULL;
11413 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11414 vars->mac_type = MAC_TYPE_NONE;
11415 vars->phy_flags = 0;
11416
11417 /* disable attentions */
11418 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
11419 (NIG_MASK_XGXS0_LINK_STATUS |
11420 NIG_MASK_XGXS0_LINK10G |
11421 NIG_MASK_SERDES0_LINK_STATUS |
11422 NIG_MASK_MI_INT));
11423
11424 bnx2x_emac_init(params, vars);
11425
11426 if (params->num_phys == 0) {
11427 DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
11428 return -EINVAL;
11429 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011430 set_phy_vars(params, vars);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011431
11432 DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011433 switch (params->loopback_mode) {
11434 case LOOPBACK_BMAC:
11435 bnx2x_init_bmac_loopback(params, vars);
11436 break;
11437 case LOOPBACK_EMAC:
11438 bnx2x_init_emac_loopback(params, vars);
11439 break;
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011440 case LOOPBACK_XMAC:
11441 bnx2x_init_xmac_loopback(params, vars);
11442 break;
11443 case LOOPBACK_UMAC:
11444 bnx2x_init_umac_loopback(params, vars);
11445 break;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011446 case LOOPBACK_XGXS:
11447 case LOOPBACK_EXT_PHY:
11448 bnx2x_init_xgxs_loopback(params, vars);
11449 break;
11450 default:
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011451 if (!CHIP_IS_E3(bp)) {
11452 if (params->switch_cfg == SWITCH_CFG_10G)
11453 bnx2x_xgxs_deassert(params);
11454 else
11455 bnx2x_serdes_deassert(bp, params->port);
11456 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011457 bnx2x_link_initialize(params, vars);
11458 msleep(30);
11459 bnx2x_link_int_enable(params);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +000011460 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011461 }
11462 return 0;
11463}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011464
11465int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
11466 u8 reset_ext_phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011467{
11468 struct bnx2x *bp = params->bp;
Yaniv Rosnercf1d9722010-11-01 05:32:34 +000011469 u8 phy_index, port = params->port, clear_latch_ind = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011470 DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
11471 /* disable attentions */
11472 vars->link_status = 0;
11473 bnx2x_update_mng(params, vars->link_status);
11474 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011475 (NIG_MASK_XGXS0_LINK_STATUS |
11476 NIG_MASK_XGXS0_LINK10G |
11477 NIG_MASK_SERDES0_LINK_STATUS |
11478 NIG_MASK_MI_INT));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011479
11480 /* activate nig drain */
11481 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
11482
11483 /* disable nig egress interface */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011484 if (!CHIP_IS_E3(bp)) {
11485 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
11486 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
11487 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011488
11489 /* Stop BigMac rx */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011490 if (!CHIP_IS_E3(bp))
11491 bnx2x_bmac_rx_disable(bp, port);
11492 else
11493 bnx2x_xmac_disable(params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011494 /* disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011495 if (!CHIP_IS_E3(bp))
11496 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011497
11498 msleep(10);
Lucas De Marchi25985ed2011-03-30 22:57:33 -030011499 /* The PHY reset is controlled by GPIO 1
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011500 * Hold it as vars low
11501 */
11502 /* clear link led */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +000011503 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
11504
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011505 if (reset_ext_phy) {
11506 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
11507 phy_index++) {
11508 if (params->phy[phy_index].link_reset)
11509 params->phy[phy_index].link_reset(
11510 &params->phy[phy_index],
11511 params);
Yaniv Rosnercf1d9722010-11-01 05:32:34 +000011512 if (params->phy[phy_index].flags &
11513 FLAGS_REARM_LATCH_SIGNAL)
11514 clear_latch_ind = 1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011515 }
11516 }
11517
Yaniv Rosnercf1d9722010-11-01 05:32:34 +000011518 if (clear_latch_ind) {
11519 /* Clear latching indication */
11520 bnx2x_rearm_latch_signal(bp, port, 0);
11521 bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
11522 1 << NIG_LATCH_BC_ENABLE_MI_INT);
11523 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011524 if (params->phy[INT_PHY].link_reset)
11525 params->phy[INT_PHY].link_reset(
11526 &params->phy[INT_PHY], params);
11527 /* reset BigMac */
11528 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
11529 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
11530
11531 /* disable nig ingress interface */
Yaniv Rosner9380bb92011-06-14 01:34:07 +000011532 if (!CHIP_IS_E3(bp)) {
11533 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
11534 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
11535 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011536 vars->link_up = 0;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011537 vars->phy_flags = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011538 return 0;
11539}
11540
11541/****************************************************************************/
11542/* Common function */
11543/****************************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011544static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
11545 u32 shmem_base_path[],
11546 u32 shmem2_base_path[], u8 phy_index,
11547 u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011548{
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011549 struct bnx2x_phy phy[PORT_MAX];
11550 struct bnx2x_phy *phy_blk[PORT_MAX];
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011551 u16 val;
Yaniv Rosnerc8e64df2011-01-30 04:15:00 +000011552 s8 port = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011553 s8 port_of_path = 0;
Yaniv Rosnerc8e64df2011-01-30 04:15:00 +000011554 u32 swap_val, swap_override;
11555 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
11556 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
11557 port ^= (swap_val && swap_override);
11558 bnx2x_ext_phy_hw_reset(bp, port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011559 /* PART1 - Reset both phys */
11560 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011561 u32 shmem_base, shmem2_base;
11562 /* In E2, same phy is using for port0 of the two paths */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011563 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011564 shmem_base = shmem_base_path[0];
11565 shmem2_base = shmem2_base_path[0];
11566 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011567 } else {
11568 shmem_base = shmem_base_path[port];
11569 shmem2_base = shmem2_base_path[port];
11570 port_of_path = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011571 }
11572
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011573 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011574 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011575 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011576 0) {
11577 DP(NETIF_MSG_LINK, "populate_phy failed\n");
11578 return -EINVAL;
11579 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011580 /* disable attentions */
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +000011581 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
11582 port_of_path*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011583 (NIG_MASK_XGXS0_LINK_STATUS |
11584 NIG_MASK_XGXS0_LINK10G |
11585 NIG_MASK_SERDES0_LINK_STATUS |
11586 NIG_MASK_MI_INT));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011587
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011588 /* Need to take the phy out of low power mode in order
11589 to write to access its registers */
11590 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011591 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
11592 port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011593
11594 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011595 bnx2x_cl45_write(bp, &phy[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011596 MDIO_PMA_DEVAD,
11597 MDIO_PMA_REG_CTRL,
11598 1<<15);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011599 }
11600
11601 /* Add delay of 150ms after reset */
11602 msleep(150);
11603
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011604 if (phy[PORT_0].addr & 0x1) {
11605 phy_blk[PORT_0] = &(phy[PORT_1]);
11606 phy_blk[PORT_1] = &(phy[PORT_0]);
11607 } else {
11608 phy_blk[PORT_0] = &(phy[PORT_0]);
11609 phy_blk[PORT_1] = &(phy[PORT_1]);
11610 }
11611
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011612 /* PART2 - Download firmware to both phys */
11613 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011614 if (CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011615 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011616 else
11617 port_of_path = 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011618
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011619 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
11620 phy_blk[port]->addr);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +000011621 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
11622 port_of_path))
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011623 return -EINVAL;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011624
11625 /* Only set bit 10 = 1 (Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011626 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011627 MDIO_PMA_DEVAD,
11628 MDIO_PMA_REG_TX_POWER_DOWN, &val);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011629
11630 /* Phase1 of TX_POWER_DOWN reset */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011631 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011632 MDIO_PMA_DEVAD,
11633 MDIO_PMA_REG_TX_POWER_DOWN,
11634 (val | 1<<10));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011635 }
11636
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000011637 /*
11638 * Toggle Transmitter: Power down and then up with 600ms delay
11639 * between
11640 */
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011641 msleep(600);
11642
11643 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
11644 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Eilon Greensteinf5372252009-02-12 08:38:30 +000011645 /* Phase2 of POWER_DOWN_RESET */
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011646 /* Release bit 10 (Release Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011647 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011648 MDIO_PMA_DEVAD,
11649 MDIO_PMA_REG_TX_POWER_DOWN, &val);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011650
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011651 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011652 MDIO_PMA_DEVAD,
11653 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011654 msleep(15);
11655
11656 /* Read modify write the SPI-ROM version select register */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011657 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011658 MDIO_PMA_DEVAD,
11659 MDIO_PMA_REG_EDC_FFE_MAIN, &val);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011660 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011661 MDIO_PMA_DEVAD,
11662 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011663
11664 /* set GPIO2 back to LOW */
11665 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011666 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011667 }
11668 return 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011669}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011670static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
11671 u32 shmem_base_path[],
11672 u32 shmem2_base_path[], u8 phy_index,
11673 u32 chip_id)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011674{
11675 u32 val;
11676 s8 port;
11677 struct bnx2x_phy phy;
11678 /* Use port1 because of the static port-swap */
11679 /* Enable the module detection interrupt */
11680 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
11681 val |= ((1<<MISC_REGISTERS_GPIO_3)|
11682 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
11683 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
11684
Yaniv Rosner650154b2010-11-01 05:32:36 +000011685 bnx2x_ext_phy_hw_reset(bp, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011686 msleep(5);
11687 for (port = 0; port < PORT_MAX; port++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011688 u32 shmem_base, shmem2_base;
11689
11690 /* In E2, same phy is using for port0 of the two paths */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011691 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011692 shmem_base = shmem_base_path[0];
11693 shmem2_base = shmem2_base_path[0];
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011694 } else {
11695 shmem_base = shmem_base_path[port];
11696 shmem2_base = shmem2_base_path[port];
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011697 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011698 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011699 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011700 port, &phy) !=
11701 0) {
11702 DP(NETIF_MSG_LINK, "populate phy failed\n");
11703 return -EINVAL;
11704 }
11705
11706 /* Reset phy*/
11707 bnx2x_cl45_write(bp, &phy,
11708 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
11709
11710
11711 /* Set fault module detected LED on */
11712 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011713 MISC_REGISTERS_GPIO_HIGH,
11714 port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +000011715 }
11716
11717 return 0;
11718}
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000011719static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
11720 u8 *io_gpio, u8 *io_port)
11721{
11722
11723 u32 phy_gpio_reset = REG_RD(bp, shmem_base +
11724 offsetof(struct shmem_region,
11725 dev_info.port_hw_config[PORT_0].default_cfg));
11726 switch (phy_gpio_reset) {
11727 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
11728 *io_gpio = 0;
11729 *io_port = 0;
11730 break;
11731 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
11732 *io_gpio = 1;
11733 *io_port = 0;
11734 break;
11735 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
11736 *io_gpio = 2;
11737 *io_port = 0;
11738 break;
11739 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
11740 *io_gpio = 3;
11741 *io_port = 0;
11742 break;
11743 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
11744 *io_gpio = 0;
11745 *io_port = 1;
11746 break;
11747 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
11748 *io_gpio = 1;
11749 *io_port = 1;
11750 break;
11751 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
11752 *io_gpio = 2;
11753 *io_port = 1;
11754 break;
11755 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
11756 *io_gpio = 3;
11757 *io_port = 1;
11758 break;
11759 default:
11760 /* Don't override the io_gpio and io_port */
11761 break;
11762 }
11763}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011764
11765static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
11766 u32 shmem_base_path[],
11767 u32 shmem2_base_path[], u8 phy_index,
11768 u32 chip_id)
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011769{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000011770 s8 port, reset_gpio;
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011771 u32 swap_val, swap_override;
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011772 struct bnx2x_phy phy[PORT_MAX];
11773 struct bnx2x_phy *phy_blk[PORT_MAX];
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011774 s8 port_of_path;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011775 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
11776 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011777
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000011778 reset_gpio = MISC_REGISTERS_GPIO_1;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011779 port = 1;
11780
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000011781 /*
11782 * Retrieve the reset gpio/port which control the reset.
11783 * Default is GPIO1, PORT1
11784 */
11785 bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
11786 (u8 *)&reset_gpio, (u8 *)&port);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011787
11788 /* Calculate the port based on port swap */
11789 port ^= (swap_val && swap_override);
11790
Yaniv Rosnera8db5b42011-01-31 04:22:28 +000011791 /* Initiate PHY reset*/
11792 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
11793 port);
11794 msleep(1);
11795 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
11796 port);
11797
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011798 msleep(5);
11799
11800 /* PART1 - Reset both phys */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011801 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011802 u32 shmem_base, shmem2_base;
11803
11804 /* In E2, same phy is using for port0 of the two paths */
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011805 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011806 shmem_base = shmem_base_path[0];
11807 shmem2_base = shmem2_base_path[0];
11808 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011809 } else {
11810 shmem_base = shmem_base_path[port];
11811 shmem2_base = shmem2_base_path[port];
11812 port_of_path = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011813 }
11814
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011815 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011816 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011817 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011818 0) {
11819 DP(NETIF_MSG_LINK, "populate phy failed\n");
11820 return -EINVAL;
11821 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011822 /* disable attentions */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011823 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
11824 port_of_path*4,
11825 (NIG_MASK_XGXS0_LINK_STATUS |
11826 NIG_MASK_XGXS0_LINK10G |
11827 NIG_MASK_SERDES0_LINK_STATUS |
11828 NIG_MASK_MI_INT));
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011829
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011830
11831 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011832 bnx2x_cl45_write(bp, &phy[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000011833 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011834 }
11835
11836 /* Add delay of 150ms after reset */
11837 msleep(150);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011838 if (phy[PORT_0].addr & 0x1) {
11839 phy_blk[PORT_0] = &(phy[PORT_1]);
11840 phy_blk[PORT_1] = &(phy[PORT_0]);
11841 } else {
11842 phy_blk[PORT_0] = &(phy[PORT_0]);
11843 phy_blk[PORT_1] = &(phy[PORT_1]);
11844 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011845 /* PART2 - Download firmware to both phys */
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011846 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011847 if (CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011848 port_of_path = port;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011849 else
11850 port_of_path = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011851 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
11852 phy_blk[port]->addr);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +000011853 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
11854 port_of_path))
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011855 return -EINVAL;
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011856
Yaniv Rosner5c99274b2011-01-18 04:33:36 +000011857 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011858 return 0;
11859}
11860
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011861static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
11862 u32 shmem2_base_path[], u8 phy_index,
11863 u32 ext_phy_type, u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011864{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011865 int rc = 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011866
11867 switch (ext_phy_type) {
11868 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011869 rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
11870 shmem2_base_path,
11871 phy_index, chip_id);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011872 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +000011873 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011874 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
11875 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011876 rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
11877 shmem2_base_path,
11878 phy_index, chip_id);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011879 break;
11880
Eilon Greenstein589abe32009-02-12 08:36:55 +000011881 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000011882 /*
11883 * GPIO1 affects both ports, so there's need to pull
11884 * it for single port alone
11885 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011886 rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
11887 shmem2_base_path,
11888 phy_index, chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011889 break;
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +000011890 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
11891 /*
11892 * GPIO3's are linked, and so both need to be toggled
11893 * to obtain required 2us pulse.
11894 */
11895 rc = bnx2x_84833_common_init_phy(bp, shmem_base_path, chip_id);
11896 break;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011897 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
11898 rc = -EINVAL;
Yaniv Rosner4f60dab2009-11-05 19:18:23 +020011899 break;
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011900 default:
11901 DP(NETIF_MSG_LINK,
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +000011902 "ext_phy 0x%x common init not required\n",
11903 ext_phy_type);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011904 break;
11905 }
11906
Yaniv Rosner6d870c32011-01-31 04:22:20 +000011907 if (rc != 0)
11908 netdev_err(bp->dev, "Warning: PHY was not initialized,"
11909 " Port %d\n",
11910 0);
Yaniv Rosner6bbca912008-08-13 15:57:28 -070011911 return rc;
11912}
11913
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011914int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
11915 u32 shmem2_base_path[], u32 chip_id)
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011916{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +000011917 int rc = 0;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011918 u32 phy_ver, val;
11919 u8 phy_index = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011920 u32 ext_phy_type, ext_phy_config;
Yaniv Rosnera198c142011-05-31 21:29:42 +000011921 bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
11922 bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011923 DP(NETIF_MSG_LINK, "Begin common phy init\n");
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011924 if (CHIP_IS_E3(bp)) {
11925 /* Enable EPIO */
11926 val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
11927 REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
11928 }
Yaniv Rosnerb21a3422011-01-18 04:33:24 +000011929 /* Check if common init was already done */
11930 phy_ver = REG_RD(bp, shmem_base_path[0] +
11931 offsetof(struct shmem_region,
11932 port_mb[PORT_0].ext_phy_fw_version));
11933 if (phy_ver) {
11934 DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
11935 phy_ver);
11936 return 0;
11937 }
11938
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011939 /* Read the ext_phy_type for arbitrary port(0) */
11940 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
11941 phy_index++) {
11942 ext_phy_config = bnx2x_get_ext_phy_config(bp,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011943 shmem_base_path[0],
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011944 phy_index, 0);
11945 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011946 rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
11947 shmem2_base_path,
11948 phy_index, ext_phy_type,
11949 chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011950 }
11951 return rc;
11952}
11953
Yaniv Rosner3deb8162011-06-14 01:34:33 +000011954static void bnx2x_check_over_curr(struct link_params *params,
11955 struct link_vars *vars)
11956{
11957 struct bnx2x *bp = params->bp;
11958 u32 cfg_pin;
11959 u8 port = params->port;
11960 u32 pin_val;
11961
11962 cfg_pin = (REG_RD(bp, params->shmem_base +
11963 offsetof(struct shmem_region,
11964 dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
11965 PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
11966 PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
11967
11968 /* Ignore check if no external input PIN available */
11969 if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
11970 return;
11971
11972 if (!pin_val) {
11973 if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
11974 netdev_err(bp->dev, "Error: Power fault on Port %d has"
11975 " been detected and the power to "
11976 "that SFP+ module has been removed"
11977 " to prevent failure of the card."
11978 " Please remove the SFP+ module and"
11979 " restart the system to clear this"
11980 " error.\n",
11981 params->port);
11982 vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
11983 }
11984 } else
11985 vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
11986}
11987
11988static void bnx2x_analyze_link_error(struct link_params *params,
11989 struct link_vars *vars, u32 lss_status)
11990{
11991 struct bnx2x *bp = params->bp;
11992 /* Compare new value with previous value */
11993 u8 led_mode;
11994 u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
11995
11996 /*DP(NETIF_MSG_LINK, "CHECK LINK: %x half_open:%x-> lss:%x\n",
11997 vars->link_up,
11998 half_open_conn, lss_status);*/
11999
12000 if ((lss_status ^ half_open_conn) == 0)
12001 return;
12002
12003 /* If values differ */
12004 DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
12005 half_open_conn, lss_status);
12006
12007 /*
12008 * a. Update shmem->link_status accordingly
12009 * b. Update link_vars->link_up
12010 */
12011 if (lss_status) {
12012 vars->link_status &= ~LINK_STATUS_LINK_UP;
12013 vars->link_up = 0;
12014 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
12015 /*
12016 * Set LED mode to off since the PHY doesn't know about these
12017 * errors
12018 */
12019 led_mode = LED_MODE_OFF;
12020 } else {
12021 vars->link_status |= LINK_STATUS_LINK_UP;
12022 vars->link_up = 1;
12023 vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
12024 led_mode = LED_MODE_OPER;
12025 }
12026 /* Update the LED according to the link state */
12027 bnx2x_set_led(params, vars, led_mode, SPEED_10000);
12028
12029 /* Update link status in the shared memory */
12030 bnx2x_update_mng(params, vars->link_status);
12031
12032 /* C. Trigger General Attention */
12033 vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
12034 bnx2x_notify_link_changed(bp);
12035}
12036
12037static void bnx2x_check_half_open_conn(struct link_params *params,
12038 struct link_vars *vars)
12039{
12040 struct bnx2x *bp = params->bp;
12041 u32 lss_status = 0;
12042 u32 mac_base;
12043 /* In case link status is physically up @ 10G do */
12044 if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
12045 return;
12046
12047 if (!CHIP_IS_E3(bp) &&
12048 (REG_RD(bp, MISC_REG_RESET_REG_2) &
12049 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))) {
12050 /* Check E1X / E2 BMAC */
12051 u32 lss_status_reg;
12052 u32 wb_data[2];
12053 mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
12054 NIG_REG_INGRESS_BMAC0_MEM;
12055 /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
12056 if (CHIP_IS_E2(bp))
12057 lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
12058 else
12059 lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
12060
12061 REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
12062 lss_status = (wb_data[0] > 0);
12063
12064 bnx2x_analyze_link_error(params, vars, lss_status);
12065 }
12066}
12067
12068void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
12069{
12070 struct bnx2x *bp = params->bp;
12071 if (!params) {
12072 DP(NETIF_MSG_LINK, "Ininitliazed params !\n");
12073 return;
12074 }
12075 /* DP(NETIF_MSG_LINK, "Periodic called vars->phy_flags 0x%x speed 0x%x
12076 RESET_REG_2 0x%x\n", vars->phy_flags, vars->line_speed,
12077 REG_RD(bp, MISC_REG_RESET_REG_2)); */
12078 bnx2x_check_half_open_conn(params, vars);
12079 if (CHIP_IS_E3(bp))
12080 bnx2x_check_over_curr(params, vars);
12081}
12082
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012083u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000012084{
12085 u8 phy_index;
12086 struct bnx2x_phy phy;
12087 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12088 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012089 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000012090 0, &phy) != 0) {
12091 DP(NETIF_MSG_LINK, "populate phy failed\n");
12092 return 0;
12093 }
12094
12095 if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
12096 return 1;
12097 }
12098 return 0;
12099}
12100
12101u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
12102 u32 shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012103 u32 shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000012104 u8 port)
12105{
12106 u8 phy_index, fan_failure_det_req = 0;
12107 struct bnx2x_phy phy;
12108 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
12109 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +000012110 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +000012111 port, &phy)
12112 != 0) {
12113 DP(NETIF_MSG_LINK, "populate phy failed\n");
12114 return 0;
12115 }
12116 fan_failure_det_req |= (phy.flags &
12117 FLAGS_FAN_FAILURE_DET_REQ);
12118 }
12119 return fan_failure_det_req;
12120}
12121
12122void bnx2x_hw_reset_phy(struct link_params *params)
12123{
12124 u8 phy_index;
12125 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
12126 phy_index++) {
12127 if (params->phy[phy_index].hw_reset) {
12128 params->phy[phy_index].hw_reset(
12129 &params->phy[phy_index],
12130 params);
12131 params->phy[phy_index] = phy_null;
12132 }
12133 }
12134}
Yaniv Rosner020c7e32011-05-31 21:28:43 +000012135
12136void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
12137 u32 chip_id, u32 shmem_base, u32 shmem2_base,
12138 u8 port)
12139{
12140 u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
12141 u32 val;
12142 u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000012143 if (CHIP_IS_E3(bp)) {
12144 if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
12145 shmem_base,
12146 port,
12147 &gpio_num,
12148 &gpio_port) != 0)
12149 return;
12150 } else {
Yaniv Rosner020c7e32011-05-31 21:28:43 +000012151 struct bnx2x_phy phy;
12152 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
12153 phy_index++) {
12154 if (bnx2x_populate_phy(bp, phy_index, shmem_base,
12155 shmem2_base, port, &phy)
12156 != 0) {
12157 DP(NETIF_MSG_LINK, "populate phy failed\n");
12158 return;
12159 }
12160 if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
12161 gpio_num = MISC_REGISTERS_GPIO_3;
12162 gpio_port = port;
12163 break;
12164 }
12165 }
12166 }
12167
12168 if (gpio_num == 0xff)
12169 return;
12170
12171 /* Set GPIO3 to trigger SFP+ module insertion/removal */
12172 bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
12173
12174 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12175 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
12176 gpio_port ^= (swap_val && swap_override);
12177
12178 vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
12179 (gpio_num + (gpio_port << 2));
12180
12181 sync_offset = shmem_base +
12182 offsetof(struct shmem_region,
12183 dev_info.port_hw_config[port].aeu_int_mask);
12184 REG_WR(bp, sync_offset, vars->aeu_int_mask);
12185
12186 DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
12187 gpio_num, gpio_port, vars->aeu_int_mask);
12188
12189 if (port == 0)
12190 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
12191 else
12192 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
12193
12194 /* Open appropriate AEU for interrupts */
12195 aeu_mask = REG_RD(bp, offset);
12196 aeu_mask |= vars->aeu_int_mask;
12197 REG_WR(bp, offset, aeu_mask);
12198
12199 /* Enable the GPIO to trigger interrupt */
12200 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
12201 val |= 1 << (gpio_num + (gpio_port << 2));
12202 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
12203}