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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 Rosnerea4e0402008-06-23 20:27:26 -070040
41/***********************************************************/
Eilon Greenstein3196a882008-08-13 15:58:49 -070042/* Shortcut definitions */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070043/***********************************************************/
44
Eilon Greenstein2f904462009-08-12 08:22:16 +000045#define NIG_LATCH_BC_ENABLE_MI_INT 0
46
47#define NIG_STATUS_EMAC0_MI_INT \
48 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070049#define NIG_STATUS_XGXS0_LINK10G \
50 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
51#define NIG_STATUS_XGXS0_LINK_STATUS \
52 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
53#define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
54 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
55#define NIG_STATUS_SERDES0_LINK_STATUS \
56 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
57#define NIG_MASK_MI_INT \
58 NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
59#define NIG_MASK_XGXS0_LINK10G \
60 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
61#define NIG_MASK_XGXS0_LINK_STATUS \
62 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
63#define NIG_MASK_SERDES0_LINK_STATUS \
64 NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
65
66#define MDIO_AN_CL73_OR_37_COMPLETE \
67 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
68 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
69
70#define XGXS_RESET_BITS \
71 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
72 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
73 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
74 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
75 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
76
77#define SERDES_RESET_BITS \
78 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
79 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
80 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
81 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
82
83#define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
84#define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000085#define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
Eilon Greenstein3196a882008-08-13 15:58:49 -070086#define AUTONEG_PARALLEL \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070087 SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
Eilon Greenstein3196a882008-08-13 15:58:49 -070088#define AUTONEG_SGMII_FIBER_AUTODET \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070089 SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
Eilon Greenstein3196a882008-08-13 15:58:49 -070090#define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070091
92#define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
93 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
94#define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
95 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
96#define GP_STATUS_SPEED_MASK \
97 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
98#define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
99#define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
100#define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
101#define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
102#define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
103#define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
104#define GP_STATUS_10G_HIG \
105 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
106#define GP_STATUS_10G_CX4 \
107 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700108#define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
109#define GP_STATUS_10G_KX4 \
110 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
111
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000112#define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
113#define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700114#define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000115#define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700116#define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
117#define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
118#define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
119#define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
120#define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
121#define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
122#define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000123#define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
124#define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700125
126#define PHY_XGXS_FLAG 0x1
127#define PHY_SGMII_FLAG 0x2
128#define PHY_SERDES_FLAG 0x4
129
Eilon Greenstein589abe32009-02-12 08:36:55 +0000130/* */
131#define SFP_EEPROM_CON_TYPE_ADDR 0x2
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000132 #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
Eilon Greenstein589abe32009-02-12 08:36:55 +0000133 #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
134
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000135
136#define SFP_EEPROM_COMP_CODE_ADDR 0x3
137 #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
138 #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
139 #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
140
Eilon Greenstein589abe32009-02-12 08:36:55 +0000141#define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
142 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000143 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000144
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000145#define SFP_EEPROM_OPTIONS_ADDR 0x40
Eilon Greenstein589abe32009-02-12 08:36:55 +0000146 #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000147#define SFP_EEPROM_OPTIONS_SIZE 2
Eilon Greenstein589abe32009-02-12 08:36:55 +0000148
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000149#define EDC_MODE_LINEAR 0x0022
150#define EDC_MODE_LIMITING 0x0044
151#define EDC_MODE_PASSIVE_DAC 0x0055
Eilon Greenstein589abe32009-02-12 08:36:55 +0000152
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000153
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000154/* BRB thresholds for E2*/
155#define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
156#define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
157
158#define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
159#define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
160
161#define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
162#define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
163
164#define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
165#define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
166
167/* BRB thresholds for E3A0 */
168#define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
169#define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
170
171#define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
172#define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
173
174#define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
175#define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
176
177#define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
178#define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
179
180
181/* BRB thresholds for E3B0 2 port mode*/
182#define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
183#define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
184
185#define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
186#define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
187
188#define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
189#define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
190
191#define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
192#define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
193
194/* only for E3B0*/
195#define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
196#define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
197
198/* Lossy +Lossless GUARANTIED == GUART */
199#define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
200/* Lossless +Lossless*/
201#define PFC_E3B0_2P_PAUSE_LB_GUART 236
202/* Lossy +Lossy*/
203#define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
204
205/* Lossy +Lossless*/
206#define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
207/* Lossless +Lossless*/
208#define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
209/* Lossy +Lossy*/
210#define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
211#define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
212
213#define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
214#define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
215
216/* BRB thresholds for E3B0 4 port mode */
217#define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
218#define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
219
220#define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
221#define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
222
223#define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
224#define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
225
226#define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
227#define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
228
229
230/* only for E3B0*/
231#define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
232#define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
233#define PFC_E3B0_4P_LB_GUART 120
234
235#define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
236#define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
237
238#define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
239#define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
240
241#define DCBX_INVALID_COS (0xFF)
242
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000243#define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
244#define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000245#define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
246#define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
247#define ETS_E3B0_PBF_MIN_W_VAL (10000)
248
249#define MAX_PACKET_SIZE (9700)
250
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700251/**********************************************************/
252/* INTERFACE */
253/**********************************************************/
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000254
Yaniv Rosnercd2be892011-01-31 04:21:45 +0000255#define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000256 bnx2x_cl45_write(_bp, _phy, \
Yaniv Rosner7aa07112010-09-07 11:41:01 +0000257 (_phy)->def_md_devad, \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700258 (_bank + (_addr & 0xf)), \
259 _val)
260
Yaniv Rosnercd2be892011-01-31 04:21:45 +0000261#define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000262 bnx2x_cl45_read(_bp, _phy, \
Yaniv Rosner7aa07112010-09-07 11:41:01 +0000263 (_phy)->def_md_devad, \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700264 (_bank + (_addr & 0xf)), \
265 _val)
266
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700267static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
268{
269 u32 val = REG_RD(bp, reg);
270
271 val |= bits;
272 REG_WR(bp, reg, val);
273 return val;
274}
275
276static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
277{
278 u32 val = REG_RD(bp, reg);
279
280 val &= ~bits;
281 REG_WR(bp, reg, val);
282 return val;
283}
284
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000285/******************************************************************/
286/* ETS section */
287/******************************************************************/
288void bnx2x_ets_disabled(struct link_params *params)
289{
290 /* ETS disabled configuration*/
291 struct bnx2x *bp = params->bp;
292
293 DP(NETIF_MSG_LINK, "ETS disabled configuration\n");
294
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000295 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000296 * mapping between entry priority to client number (0,1,2 -debug and
297 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
298 * 3bits client num.
299 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
300 * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
301 */
302
303 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000304 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000305 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
306 * as strict. Bits 0,1,2 - debug and management entries, 3 -
307 * COS0 entry, 4 - COS1 entry.
308 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
309 * bit4 bit3 bit2 bit1 bit0
310 * MCP and debug are strict
311 */
312
313 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
314 /* defines which entries (clients) are subjected to WFQ arbitration */
315 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000316 /*
317 * For strict priority entries defines the number of consecutive
318 * slots for the highest priority.
319 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000320 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000321 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000322 * mapping between the CREDIT_WEIGHT registers and actual client
323 * numbers
324 */
325 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
326 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
327 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
328
329 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
330 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
331 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
332 /* ETS mode disable */
333 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000334 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000335 * If ETS mode is enabled (there is no strict priority) defines a WFQ
336 * weight for COS0/COS1.
337 */
338 REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
339 REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
340 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
341 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
342 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
343 /* Defines the number of consecutive slots for the strict priority */
344 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
345}
346
Yaniv Rosner65a001b2011-01-31 04:22:03 +0000347static void bnx2x_ets_bw_limit_common(const struct link_params *params)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000348{
349 /* ETS disabled configuration */
350 struct bnx2x *bp = params->bp;
351 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000352 /*
353 * defines which entries (clients) are subjected to WFQ arbitration
354 * COS0 0x8
355 * COS1 0x10
356 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000357 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000358 /*
359 * mapping between the ARB_CREDIT_WEIGHT registers and actual
360 * client numbers (WEIGHT_0 does not actually have to represent
361 * client 0)
362 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
363 * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
364 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000365 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
366
367 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
368 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
369 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
370 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
371
372 /* ETS mode enabled*/
373 REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
374
375 /* Defines the number of consecutive slots for the strict priority */
376 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000377 /*
378 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
379 * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
380 * entry, 4 - COS1 entry.
381 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
382 * bit4 bit3 bit2 bit1 bit0
383 * MCP and debug are strict
384 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000385 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
386
387 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
388 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
389 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
390 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
391 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
392}
393
394void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
395 const u32 cos1_bw)
396{
397 /* ETS disabled configuration*/
398 struct bnx2x *bp = params->bp;
399 const u32 total_bw = cos0_bw + cos1_bw;
400 u32 cos0_credit_weight = 0;
401 u32 cos1_credit_weight = 0;
402
403 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
404
405 if ((0 == total_bw) ||
406 (0 == cos0_bw) ||
407 (0 == cos1_bw)) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000408 DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000409 return;
410 }
411
412 cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
413 total_bw;
414 cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
415 total_bw;
416
417 bnx2x_ets_bw_limit_common(params);
418
419 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
420 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
421
422 REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
423 REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
424}
425
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +0000426int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000427{
428 /* ETS disabled configuration*/
429 struct bnx2x *bp = params->bp;
430 u32 val = 0;
431
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000432 DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000433 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000434 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
435 * as strict. Bits 0,1,2 - debug and management entries,
436 * 3 - COS0 entry, 4 - COS1 entry.
437 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
438 * bit4 bit3 bit2 bit1 bit0
439 * MCP and debug are strict
440 */
441 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000442 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000443 * For strict priority entries defines the number of consecutive slots
444 * for the highest priority.
445 */
446 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
447 /* ETS mode disable */
448 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
449 /* Defines the number of consecutive slots for the strict priority */
450 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
451
452 /* Defines the number of consecutive slots for the strict priority */
453 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
454
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000455 /*
456 * mapping between entry priority to client number (0,1,2 -debug and
457 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
458 * 3bits client num.
459 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
460 * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
461 * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
462 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000463 val = (0 == strict_cos) ? 0x2318 : 0x22E0;
464 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
465
466 return 0;
467}
468/******************************************************************/
Dmitry Kravkove8920672011-05-04 23:52:40 +0000469/* PFC section */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000470/******************************************************************/
471
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000472static void bnx2x_update_pfc_xmac(struct link_params *params,
473 struct link_vars *vars,
474 u8 is_lb)
475{
476 struct bnx2x *bp = params->bp;
477 u32 xmac_base;
478 u32 pause_val, pfc0_val, pfc1_val;
479
480 /* XMAC base adrr */
481 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
482
483 /* Initialize pause and pfc registers */
484 pause_val = 0x18000;
485 pfc0_val = 0xFFFF8000;
486 pfc1_val = 0x2;
487
488 /* No PFC support */
489 if (!(params->feature_config_flags &
490 FEATURE_CONFIG_PFC_ENABLED)) {
491
492 /*
493 * RX flow control - Process pause frame in receive direction
494 */
495 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
496 pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
497
498 /*
499 * TX flow control - Send pause packet when buffer is full
500 */
501 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
502 pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
503 } else {/* PFC support */
504 pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
505 XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
506 XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
507 XMAC_PFC_CTRL_HI_REG_TX_PFC_EN;
508 }
509
510 /* Write pause and PFC registers */
511 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
512 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
513 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
514
515 udelay(30);
516}
517
518
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000519static void bnx2x_bmac2_get_pfc_stat(struct link_params *params,
520 u32 pfc_frames_sent[2],
521 u32 pfc_frames_received[2])
522{
523 /* Read pfc statistic */
524 struct bnx2x *bp = params->bp;
525 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
526 NIG_REG_INGRESS_BMAC0_MEM;
527
528 DP(NETIF_MSG_LINK, "pfc statistic read from BMAC\n");
529
530 REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_STAT_GTPP,
531 pfc_frames_sent, 2);
532
533 REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_STAT_GRPP,
534 pfc_frames_received, 2);
535
536}
537static void bnx2x_emac_get_pfc_stat(struct link_params *params,
538 u32 pfc_frames_sent[2],
539 u32 pfc_frames_received[2])
540{
541 /* Read pfc statistic */
542 struct bnx2x *bp = params->bp;
543 u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
544 u32 val_xon = 0;
545 u32 val_xoff = 0;
546
547 DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
548
549 /* PFC received frames */
550 val_xoff = REG_RD(bp, emac_base +
551 EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
552 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
553 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
554 val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
555
556 pfc_frames_received[0] = val_xon + val_xoff;
557
558 /* PFC received sent */
559 val_xoff = REG_RD(bp, emac_base +
560 EMAC_REG_RX_PFC_STATS_XOFF_SENT);
561 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
562 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
563 val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
564
565 pfc_frames_sent[0] = val_xon + val_xoff;
566}
567
568void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
569 u32 pfc_frames_sent[2],
570 u32 pfc_frames_received[2])
571{
572 /* Read pfc statistic */
573 struct bnx2x *bp = params->bp;
574 u32 val = 0;
575 DP(NETIF_MSG_LINK, "pfc statistic\n");
576
577 if (!vars->link_up)
578 return;
579
580 val = REG_RD(bp, MISC_REG_RESET_REG_2);
581 if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
582 == 0) {
583 DP(NETIF_MSG_LINK, "About to read stats from EMAC\n");
584 bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
585 pfc_frames_received);
586 } else {
587 DP(NETIF_MSG_LINK, "About to read stats from BMAC\n");
588 bnx2x_bmac2_get_pfc_stat(params, pfc_frames_sent,
589 pfc_frames_received);
590 }
591}
592/******************************************************************/
593/* MAC/PBF section */
594/******************************************************************/
Yaniv Rosnera198c142011-05-31 21:29:42 +0000595static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
596{
597 u32 mode, emac_base;
598 /**
599 * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
600 * (a value of 49==0x31) and make sure that the AUTO poll is off
601 */
602
603 if (CHIP_IS_E2(bp))
604 emac_base = GRCBASE_EMAC0;
605 else
606 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
607 mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
608 mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
609 EMAC_MDIO_MODE_CLOCK_CNT);
610 mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
611
612 mode |= (EMAC_MDIO_MODE_CLAUSE_45);
613 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
614
615 udelay(40);
616}
617
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700618static void bnx2x_emac_init(struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000619 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700620{
621 /* reset and unreset the emac core */
622 struct bnx2x *bp = params->bp;
623 u8 port = params->port;
624 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
625 u32 val;
626 u16 timeout;
627
628 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000629 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700630 udelay(5);
631 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000632 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700633
634 /* init emac - use read-modify-write */
635 /* self clear reset */
636 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
Eilon Greenstein3196a882008-08-13 15:58:49 -0700637 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700638
639 timeout = 200;
Eilon Greenstein3196a882008-08-13 15:58:49 -0700640 do {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700641 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
642 DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
643 if (!timeout) {
644 DP(NETIF_MSG_LINK, "EMAC timeout!\n");
645 return;
646 }
647 timeout--;
Eilon Greenstein3196a882008-08-13 15:58:49 -0700648 } while (val & EMAC_MODE_RESET);
Yaniv Rosnera198c142011-05-31 21:29:42 +0000649 bnx2x_set_mdio_clk(bp, params->chip_id, port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700650 /* Set mac address */
651 val = ((params->mac_addr[0] << 8) |
652 params->mac_addr[1]);
Eilon Greenstein3196a882008-08-13 15:58:49 -0700653 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700654
655 val = ((params->mac_addr[2] << 24) |
656 (params->mac_addr[3] << 16) |
657 (params->mac_addr[4] << 8) |
658 params->mac_addr[5]);
Eilon Greenstein3196a882008-08-13 15:58:49 -0700659 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700660}
661
Yaniv Rosner9380bb92011-06-14 01:34:07 +0000662static void bnx2x_set_xumac_nig(struct link_params *params,
663 u16 tx_pause_en,
664 u8 enable)
665{
666 struct bnx2x *bp = params->bp;
667
668 REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
669 enable);
670 REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
671 enable);
672 REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
673 NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
674}
675
676static void bnx2x_umac_enable(struct link_params *params,
677 struct link_vars *vars, u8 lb)
678{
679 u32 val;
680 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
681 struct bnx2x *bp = params->bp;
682 /* Reset UMAC */
683 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
684 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
685 usleep_range(1000, 1000);
686
687 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
688 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
689
690 DP(NETIF_MSG_LINK, "enabling UMAC\n");
691
692 /**
693 * This register determines on which events the MAC will assert
694 * error on the i/f to the NIG along w/ EOP.
695 */
696
697 /**
698 * BD REG_WR(bp, NIG_REG_P0_MAC_RSV_ERR_MASK +
699 * params->port*0x14, 0xfffff.
700 */
701 /* This register opens the gate for the UMAC despite its name */
702 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
703
704 val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
705 UMAC_COMMAND_CONFIG_REG_PAD_EN |
706 UMAC_COMMAND_CONFIG_REG_SW_RESET |
707 UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
708 switch (vars->line_speed) {
709 case SPEED_10:
710 val |= (0<<2);
711 break;
712 case SPEED_100:
713 val |= (1<<2);
714 break;
715 case SPEED_1000:
716 val |= (2<<2);
717 break;
718 case SPEED_2500:
719 val |= (3<<2);
720 break;
721 default:
722 DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
723 vars->line_speed);
724 break;
725 }
726 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
727 udelay(50);
728
729 /* Enable RX and TX */
730 val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
731 val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
732 UMAC_COMMAND_CONFIG_REG_RX_ENA;
733 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
734 udelay(50);
735
736 /* Remove SW Reset */
737 val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
738
739 /* Check loopback mode */
740 if (lb)
741 val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
742 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
743
744 /*
745 * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
746 * length used by the MAC receive logic to check frames.
747 */
748 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
749 bnx2x_set_xumac_nig(params,
750 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
751 vars->mac_type = MAC_TYPE_UMAC;
752
753}
754
755static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
756{
757 u32 port4mode_ovwr_val;
758 /* Check 4-port override enabled */
759 port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
760 if (port4mode_ovwr_val & (1<<0)) {
761 /* Return 4-port mode override value */
762 return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
763 }
764 /* Return 4-port mode from input pin */
765 return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
766}
767
768/* Define the XMAC mode */
769static void bnx2x_xmac_init(struct bnx2x *bp, u32 max_speed)
770{
771 u32 is_port4mode = bnx2x_is_4_port_mode(bp);
772
773 /**
774 * In 4-port mode, need to set the mode only once, so if XMAC is
775 * already out of reset, it means the mode has already been set,
776 * and it must not* reset the XMAC again, since it controls both
777 * ports of the path
778 **/
779
780 if (is_port4mode && (REG_RD(bp, MISC_REG_RESET_REG_2) &
781 MISC_REGISTERS_RESET_REG_2_XMAC)) {
782 DP(NETIF_MSG_LINK, "XMAC already out of reset"
783 " in 4-port mode\n");
784 return;
785 }
786
787 /* Hard reset */
788 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
789 MISC_REGISTERS_RESET_REG_2_XMAC);
790 usleep_range(1000, 1000);
791
792 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
793 MISC_REGISTERS_RESET_REG_2_XMAC);
794 if (is_port4mode) {
795 DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
796
797 /* Set the number of ports on the system side to up to 2 */
798 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
799
800 /* Set the number of ports on the Warp Core to 10G */
801 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
802 } else {
803 /* Set the number of ports on the system side to 1 */
804 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
805 if (max_speed == SPEED_10000) {
806 DP(NETIF_MSG_LINK, "Init XMAC to 10G x 1"
807 " port per path\n");
808 /* Set the number of ports on the Warp Core to 10G */
809 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
810 } else {
811 DP(NETIF_MSG_LINK, "Init XMAC to 20G x 2 ports"
812 " per path\n");
813 /* Set the number of ports on the Warp Core to 20G */
814 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
815 }
816 }
817 /* Soft reset */
818 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
819 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
820 usleep_range(1000, 1000);
821
822 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
823 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
824
825}
826
827static void bnx2x_xmac_disable(struct link_params *params)
828{
829 u8 port = params->port;
830 struct bnx2x *bp = params->bp;
831 u32 xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
832
833 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
834 MISC_REGISTERS_RESET_REG_2_XMAC) {
835 DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
836 REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
837 usleep_range(1000, 1000);
838 bnx2x_set_xumac_nig(params, 0, 0);
839 REG_WR(bp, xmac_base + XMAC_REG_CTRL,
840 XMAC_CTRL_REG_SOFT_RESET);
841 }
842}
843
844static int bnx2x_xmac_enable(struct link_params *params,
845 struct link_vars *vars, u8 lb)
846{
847 u32 val, xmac_base;
848 struct bnx2x *bp = params->bp;
849 DP(NETIF_MSG_LINK, "enabling XMAC\n");
850
851 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
852
853 bnx2x_xmac_init(bp, vars->line_speed);
854
855 /*
856 * This register determines on which events the MAC will assert
857 * error on the i/f to the NIG along w/ EOP.
858 */
859
860 /*
861 * This register tells the NIG whether to send traffic to UMAC
862 * or XMAC
863 */
864 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
865
866 /* Set Max packet size */
867 REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
868
869 /* CRC append for Tx packets */
870 REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
871
872 /* update PFC */
873 bnx2x_update_pfc_xmac(params, vars, 0);
874
875 /* Enable TX and RX */
876 val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
877
878 /* Check loopback mode */
879 if (lb)
880 val |= XMAC_CTRL_REG_CORE_LOCAL_LPBK;
881 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
882 bnx2x_set_xumac_nig(params,
883 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
884
885 vars->mac_type = MAC_TYPE_XMAC;
886
887 return 0;
888}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +0000889static int bnx2x_emac_enable(struct link_params *params,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +0000890 struct link_vars *vars, u8 lb)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700891{
892 struct bnx2x *bp = params->bp;
893 u8 port = params->port;
894 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
895 u32 val;
896
897 DP(NETIF_MSG_LINK, "enabling EMAC\n");
898
899 /* enable emac and not bmac */
900 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
901
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700902 /* ASIC */
903 if (vars->phy_flags & PHY_XGXS_FLAG) {
904 u32 ser_lane = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000905 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
906 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700907
908 DP(NETIF_MSG_LINK, "XGXS\n");
909 /* select the master lanes (out of 0-3) */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000910 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700911 /* select XGXS */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000912 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700913
914 } else { /* SerDes */
915 DP(NETIF_MSG_LINK, "SerDes\n");
916 /* select SerDes */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000917 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700918 }
919
Eilon Greenstein811a2f22009-02-12 08:37:04 +0000920 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000921 EMAC_RX_MODE_RESET);
Eilon Greenstein811a2f22009-02-12 08:37:04 +0000922 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000923 EMAC_TX_MODE_RESET);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700924
925 if (CHIP_REV_IS_SLOW(bp)) {
926 /* config GMII mode */
927 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000928 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700929 } else { /* ASIC */
930 /* pause enable/disable */
931 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
932 EMAC_RX_MODE_FLOW_EN);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700933
934 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000935 (EMAC_TX_MODE_EXT_PAUSE_EN |
936 EMAC_TX_MODE_FLOW_EN));
937 if (!(params->feature_config_flags &
938 FEATURE_CONFIG_PFC_ENABLED)) {
939 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
940 bnx2x_bits_en(bp, emac_base +
941 EMAC_REG_EMAC_RX_MODE,
942 EMAC_RX_MODE_FLOW_EN);
943
944 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
945 bnx2x_bits_en(bp, emac_base +
946 EMAC_REG_EMAC_TX_MODE,
947 (EMAC_TX_MODE_EXT_PAUSE_EN |
948 EMAC_TX_MODE_FLOW_EN));
949 } else
950 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
951 EMAC_TX_MODE_FLOW_EN);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700952 }
953
954 /* KEEP_VLAN_TAG, promiscuous */
955 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
956 val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000957
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000958 /*
959 * Setting this bit causes MAC control frames (except for pause
960 * frames) to be passed on for processing. This setting has no
961 * affect on the operation of the pause frames. This bit effects
962 * all packets regardless of RX Parser packet sorting logic.
963 * Turn the PFC off to make sure we are in Xon state before
964 * enabling it.
965 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000966 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
967 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
968 DP(NETIF_MSG_LINK, "PFC is enabled\n");
969 /* Enable PFC again */
970 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
971 EMAC_REG_RX_PFC_MODE_RX_EN |
972 EMAC_REG_RX_PFC_MODE_TX_EN |
973 EMAC_REG_RX_PFC_MODE_PRIORITIES);
974
975 EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
976 ((0x0101 <<
977 EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
978 (0x00ff <<
979 EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
980 val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
981 }
Eilon Greenstein3196a882008-08-13 15:58:49 -0700982 EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700983
984 /* Set Loopback */
985 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
986 if (lb)
987 val |= 0x810;
988 else
989 val &= ~0x810;
Eilon Greenstein3196a882008-08-13 15:58:49 -0700990 EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700991
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +0000992 /* enable emac */
993 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
994
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700995 /* enable emac for jumbo packets */
Eilon Greenstein3196a882008-08-13 15:58:49 -0700996 EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700997 (EMAC_RX_MTU_SIZE_JUMBO_ENA |
998 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
999
1000 /* strip CRC */
1001 REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
1002
1003 /* disable the NIG in/out to the bmac */
1004 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
1005 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
1006 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
1007
1008 /* enable the NIG in/out to the emac */
1009 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
1010 val = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001011 if ((params->feature_config_flags &
1012 FEATURE_CONFIG_PFC_ENABLED) ||
1013 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001014 val = 1;
1015
1016 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
1017 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
1018
Yaniv Rosner02a23162011-01-31 04:22:53 +00001019 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001020
1021 vars->mac_type = MAC_TYPE_EMAC;
1022 return 0;
1023}
1024
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001025static void bnx2x_update_pfc_bmac1(struct link_params *params,
1026 struct link_vars *vars)
1027{
1028 u32 wb_data[2];
1029 struct bnx2x *bp = params->bp;
1030 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1031 NIG_REG_INGRESS_BMAC0_MEM;
1032
1033 u32 val = 0x14;
1034 if ((!(params->feature_config_flags &
1035 FEATURE_CONFIG_PFC_ENABLED)) &&
1036 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1037 /* Enable BigMAC to react on received Pause packets */
1038 val |= (1<<5);
1039 wb_data[0] = val;
1040 wb_data[1] = 0;
1041 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
1042
1043 /* tx control */
1044 val = 0xc0;
1045 if (!(params->feature_config_flags &
1046 FEATURE_CONFIG_PFC_ENABLED) &&
1047 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1048 val |= 0x800000;
1049 wb_data[0] = val;
1050 wb_data[1] = 0;
1051 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
1052}
1053
1054static void bnx2x_update_pfc_bmac2(struct link_params *params,
1055 struct link_vars *vars,
1056 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001057{
1058 /*
1059 * Set rx control: Strip CRC and enable BigMAC to relay
1060 * control packets to the system as well
1061 */
1062 u32 wb_data[2];
1063 struct bnx2x *bp = params->bp;
1064 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1065 NIG_REG_INGRESS_BMAC0_MEM;
1066 u32 val = 0x14;
1067
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001068 if ((!(params->feature_config_flags &
1069 FEATURE_CONFIG_PFC_ENABLED)) &&
1070 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001071 /* Enable BigMAC to react on received Pause packets */
1072 val |= (1<<5);
1073 wb_data[0] = val;
1074 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001075 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001076 udelay(30);
1077
1078 /* Tx control */
1079 val = 0xc0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001080 if (!(params->feature_config_flags &
1081 FEATURE_CONFIG_PFC_ENABLED) &&
1082 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001083 val |= 0x800000;
1084 wb_data[0] = val;
1085 wb_data[1] = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001086 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001087
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001088 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1089 DP(NETIF_MSG_LINK, "PFC is enabled\n");
1090 /* Enable PFC RX & TX & STATS and set 8 COS */
1091 wb_data[0] = 0x0;
1092 wb_data[0] |= (1<<0); /* RX */
1093 wb_data[0] |= (1<<1); /* TX */
1094 wb_data[0] |= (1<<2); /* Force initial Xon */
1095 wb_data[0] |= (1<<3); /* 8 cos */
1096 wb_data[0] |= (1<<5); /* STATS */
1097 wb_data[1] = 0;
1098 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
1099 wb_data, 2);
1100 /* Clear the force Xon */
1101 wb_data[0] &= ~(1<<2);
1102 } else {
1103 DP(NETIF_MSG_LINK, "PFC is disabled\n");
1104 /* disable PFC RX & TX & STATS and set 8 COS */
1105 wb_data[0] = 0x8;
1106 wb_data[1] = 0;
1107 }
1108
1109 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
1110
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001111 /*
1112 * Set Time (based unit is 512 bit time) between automatic
1113 * re-sending of PP packets amd enable automatic re-send of
1114 * Per-Priroity Packet as long as pp_gen is asserted and
1115 * pp_disable is low.
1116 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001117 val = 0x8000;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001118 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
1119 val |= (1<<16); /* enable automatic re-send */
1120
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001121 wb_data[0] = val;
1122 wb_data[1] = 0;
1123 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001124 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001125
1126 /* mac control */
1127 val = 0x3; /* Enable RX and TX */
1128 if (is_lb) {
1129 val |= 0x4; /* Local loopback */
1130 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
1131 }
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001132 /* When PFC enabled, Pass pause frames towards the NIG. */
1133 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
1134 val |= ((1<<6)|(1<<5));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001135
1136 wb_data[0] = val;
1137 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001138 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001139}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001140
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001141
1142/* PFC BRB internal port configuration params */
1143struct bnx2x_pfc_brb_threshold_val {
1144 u32 pause_xoff;
1145 u32 pause_xon;
1146 u32 full_xoff;
1147 u32 full_xon;
1148};
1149
1150struct bnx2x_pfc_brb_e3b0_val {
1151 u32 full_lb_xoff_th;
1152 u32 full_lb_xon_threshold;
1153 u32 lb_guarantied;
1154 u32 mac_0_class_t_guarantied;
1155 u32 mac_0_class_t_guarantied_hyst;
1156 u32 mac_1_class_t_guarantied;
1157 u32 mac_1_class_t_guarantied_hyst;
1158};
1159
1160struct bnx2x_pfc_brb_th_val {
1161 struct bnx2x_pfc_brb_threshold_val pauseable_th;
1162 struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
1163};
1164static int bnx2x_pfc_brb_get_config_params(
1165 struct link_params *params,
1166 struct bnx2x_pfc_brb_th_val *config_val)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001167{
1168 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001169 DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
1170 if (CHIP_IS_E2(bp)) {
1171 config_val->pauseable_th.pause_xoff =
1172 PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
1173 config_val->pauseable_th.pause_xon =
1174 PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
1175 config_val->pauseable_th.full_xoff =
1176 PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
1177 config_val->pauseable_th.full_xon =
1178 PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
1179 /* non pause able*/
1180 config_val->non_pauseable_th.pause_xoff =
1181 PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
1182 config_val->non_pauseable_th.pause_xon =
1183 PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
1184 config_val->non_pauseable_th.full_xoff =
1185 PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
1186 config_val->non_pauseable_th.full_xon =
1187 PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
1188 } else if (CHIP_IS_E3A0(bp)) {
1189 config_val->pauseable_th.pause_xoff =
1190 PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
1191 config_val->pauseable_th.pause_xon =
1192 PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
1193 config_val->pauseable_th.full_xoff =
1194 PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
1195 config_val->pauseable_th.full_xon =
1196 PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
1197 /* non pause able*/
1198 config_val->non_pauseable_th.pause_xoff =
1199 PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
1200 config_val->non_pauseable_th.pause_xon =
1201 PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
1202 config_val->non_pauseable_th.full_xoff =
1203 PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
1204 config_val->non_pauseable_th.full_xon =
1205 PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
1206 } else if (CHIP_IS_E3B0(bp)) {
1207 if (params->phy[INT_PHY].flags &
1208 FLAGS_4_PORT_MODE) {
1209 config_val->pauseable_th.pause_xoff =
1210 PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
1211 config_val->pauseable_th.pause_xon =
1212 PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
1213 config_val->pauseable_th.full_xoff =
1214 PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
1215 config_val->pauseable_th.full_xon =
1216 PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
1217 /* non pause able*/
1218 config_val->non_pauseable_th.pause_xoff =
1219 PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
1220 config_val->non_pauseable_th.pause_xon =
1221 PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
1222 config_val->non_pauseable_th.full_xoff =
1223 PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
1224 config_val->non_pauseable_th.full_xon =
1225 PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
1226 } else {
1227 config_val->pauseable_th.pause_xoff =
1228 PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
1229 config_val->pauseable_th.pause_xon =
1230 PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
1231 config_val->pauseable_th.full_xoff =
1232 PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
1233 config_val->pauseable_th.full_xon =
1234 PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
1235 /* non pause able*/
1236 config_val->non_pauseable_th.pause_xoff =
1237 PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
1238 config_val->non_pauseable_th.pause_xon =
1239 PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
1240 config_val->non_pauseable_th.full_xoff =
1241 PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
1242 config_val->non_pauseable_th.full_xon =
1243 PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
1244 }
1245 } else
1246 return -EINVAL;
1247
1248 return 0;
1249}
1250
1251
1252static void bnx2x_pfc_brb_get_e3b0_config_params(struct link_params *params,
1253 struct bnx2x_pfc_brb_e3b0_val
1254 *e3b0_val,
1255 u32 cos0_pauseable,
1256 u32 cos1_pauseable)
1257{
1258 if (params->phy[INT_PHY].flags & FLAGS_4_PORT_MODE) {
1259 e3b0_val->full_lb_xoff_th =
1260 PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
1261 e3b0_val->full_lb_xon_threshold =
1262 PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
1263 e3b0_val->lb_guarantied =
1264 PFC_E3B0_4P_LB_GUART;
1265 e3b0_val->mac_0_class_t_guarantied =
1266 PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
1267 e3b0_val->mac_0_class_t_guarantied_hyst =
1268 PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
1269 e3b0_val->mac_1_class_t_guarantied =
1270 PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
1271 e3b0_val->mac_1_class_t_guarantied_hyst =
1272 PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
1273 } else {
1274 e3b0_val->full_lb_xoff_th =
1275 PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
1276 e3b0_val->full_lb_xon_threshold =
1277 PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
1278 e3b0_val->mac_0_class_t_guarantied_hyst =
1279 PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
1280 e3b0_val->mac_1_class_t_guarantied =
1281 PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
1282 e3b0_val->mac_1_class_t_guarantied_hyst =
1283 PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
1284
1285 if (cos0_pauseable != cos1_pauseable) {
1286 /* nonpauseable= Lossy + pauseable = Lossless*/
1287 e3b0_val->lb_guarantied =
1288 PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
1289 e3b0_val->mac_0_class_t_guarantied =
1290 PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
1291 } else if (cos0_pauseable) {
1292 /* Lossless +Lossless*/
1293 e3b0_val->lb_guarantied =
1294 PFC_E3B0_2P_PAUSE_LB_GUART;
1295 e3b0_val->mac_0_class_t_guarantied =
1296 PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
1297 } else {
1298 /* Lossy +Lossy*/
1299 e3b0_val->lb_guarantied =
1300 PFC_E3B0_2P_NON_PAUSE_LB_GUART;
1301 e3b0_val->mac_0_class_t_guarantied =
1302 PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
1303 }
1304 }
1305}
1306static int bnx2x_update_pfc_brb(struct link_params *params,
1307 struct link_vars *vars,
1308 struct bnx2x_nig_brb_pfc_port_params
1309 *pfc_params)
1310{
1311 struct bnx2x *bp = params->bp;
1312 struct bnx2x_pfc_brb_th_val config_val = { {0} };
1313 struct bnx2x_pfc_brb_threshold_val *reg_th_config =
1314 &config_val.pauseable_th;
1315 struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001316 int set_pfc = params->feature_config_flags &
1317 FEATURE_CONFIG_PFC_ENABLED;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001318 int bnx2x_status = 0;
1319 u8 port = params->port;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001320
1321 /* default - pause configuration */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001322 reg_th_config = &config_val.pauseable_th;
1323 bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
1324 if (0 != bnx2x_status)
1325 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001326
1327 if (set_pfc && pfc_params)
1328 /* First COS */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001329 if (!pfc_params->cos0_pauseable)
1330 reg_th_config = &config_val.non_pauseable_th;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001331 /*
1332 * The number of free blocks below which the pause signal to class 0
1333 * of MAC #n is asserted. n=0,1
1334 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001335 REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
1336 BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
1337 reg_th_config->pause_xoff);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001338 /*
1339 * The number of free blocks above which the pause signal to class 0
1340 * of MAC #n is de-asserted. n=0,1
1341 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001342 REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
1343 BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001344 /*
1345 * The number of free blocks below which the full signal to class 0
1346 * of MAC #n is asserted. n=0,1
1347 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001348 REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
1349 BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001350 /*
1351 * The number of free blocks above which the full signal to class 0
1352 * of MAC #n is de-asserted. n=0,1
1353 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001354 REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
1355 BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001356
1357 if (set_pfc && pfc_params) {
1358 /* Second COS */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001359 if (pfc_params->cos1_pauseable)
1360 reg_th_config = &config_val.pauseable_th;
1361 else
1362 reg_th_config = &config_val.non_pauseable_th;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001363 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001364 * The number of free blocks below which the pause signal to
1365 * class 1 of MAC #n is asserted. n=0,1
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001366 **/
1367 REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
1368 BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
1369 reg_th_config->pause_xoff);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001370 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001371 * The number of free blocks above which the pause signal to
1372 * class 1 of MAC #n is de-asserted. n=0,1
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001373 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001374 REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
1375 BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
1376 reg_th_config->pause_xon);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001377 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001378 * The number of free blocks below which the full signal to
1379 * class 1 of MAC #n is asserted. n=0,1
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001380 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001381 REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
1382 BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
1383 reg_th_config->full_xoff);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001384 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001385 * The number of free blocks above which the full signal to
1386 * class 1 of MAC #n is de-asserted. n=0,1
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001387 */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001388 REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
1389 BRB1_REG_FULL_1_XON_THRESHOLD_0,
1390 reg_th_config->full_xon);
1391
1392
1393 if (CHIP_IS_E3B0(bp)) {
1394 /*Should be done by init tool */
1395 /*
1396 * BRB_empty_for_dup = BRB1_REG_BRB_EMPTY_THRESHOLD
1397 * reset value
1398 * 944
1399 */
1400
1401 /**
1402 * The hysteresis on the guarantied buffer space for the Lb port
1403 * before signaling XON.
1404 **/
1405 REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST, 80);
1406
1407 bnx2x_pfc_brb_get_e3b0_config_params(
1408 params,
1409 &e3b0_val,
1410 pfc_params->cos0_pauseable,
1411 pfc_params->cos1_pauseable);
1412 /**
1413 * The number of free blocks below which the full signal to the
1414 * LB port is asserted.
1415 */
1416 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
1417 e3b0_val.full_lb_xoff_th);
1418 /**
1419 * The number of free blocks above which the full signal to the
1420 * LB port is de-asserted.
1421 */
1422 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
1423 e3b0_val.full_lb_xon_threshold);
1424 /**
1425 * The number of blocks guarantied for the MAC #n port. n=0,1
1426 */
1427
1428 /*The number of blocks guarantied for the LB port.*/
1429 REG_WR(bp, BRB1_REG_LB_GUARANTIED,
1430 e3b0_val.lb_guarantied);
1431
1432 /**
1433 * The number of blocks guarantied for the MAC #n port.
1434 */
1435 REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
1436 2 * e3b0_val.mac_0_class_t_guarantied);
1437 REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
1438 2 * e3b0_val.mac_1_class_t_guarantied);
1439 /**
1440 * The number of blocks guarantied for class #t in MAC0. t=0,1
1441 */
1442 REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
1443 e3b0_val.mac_0_class_t_guarantied);
1444 REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
1445 e3b0_val.mac_0_class_t_guarantied);
1446 /**
1447 * The hysteresis on the guarantied buffer space for class in
1448 * MAC0. t=0,1
1449 */
1450 REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
1451 e3b0_val.mac_0_class_t_guarantied_hyst);
1452 REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
1453 e3b0_val.mac_0_class_t_guarantied_hyst);
1454
1455 /**
1456 * The number of blocks guarantied for class #t in MAC1.t=0,1
1457 */
1458 REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
1459 e3b0_val.mac_1_class_t_guarantied);
1460 REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
1461 e3b0_val.mac_1_class_t_guarantied);
1462 /**
1463 * The hysteresis on the guarantied buffer space for class #t
1464 * in MAC1. t=0,1
1465 */
1466 REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
1467 e3b0_val.mac_1_class_t_guarantied_hyst);
1468 REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
1469 e3b0_val.mac_1_class_t_guarantied_hyst);
1470
1471 }
1472
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001473 }
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001474
1475 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001476}
1477
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001478/******************************************************************************
1479* Description:
1480* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
1481* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
1482******************************************************************************/
1483int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
1484 u8 cos_entry,
1485 u32 priority_mask, u8 port)
1486{
1487 u32 nig_reg_rx_priority_mask_add = 0;
1488
1489 switch (cos_entry) {
1490 case 0:
1491 nig_reg_rx_priority_mask_add = (port) ?
1492 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
1493 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
1494 break;
1495 case 1:
1496 nig_reg_rx_priority_mask_add = (port) ?
1497 NIG_REG_P1_RX_COS1_PRIORITY_MASK :
1498 NIG_REG_P0_RX_COS1_PRIORITY_MASK;
1499 break;
1500 case 2:
1501 nig_reg_rx_priority_mask_add = (port) ?
1502 NIG_REG_P1_RX_COS2_PRIORITY_MASK :
1503 NIG_REG_P0_RX_COS2_PRIORITY_MASK;
1504 break;
1505 case 3:
1506 if (port)
1507 return -EINVAL;
1508 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
1509 break;
1510 case 4:
1511 if (port)
1512 return -EINVAL;
1513 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
1514 break;
1515 case 5:
1516 if (port)
1517 return -EINVAL;
1518 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
1519 break;
1520 }
1521
1522 REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
1523
1524 return 0;
1525}
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001526static void bnx2x_update_pfc_nig(struct link_params *params,
1527 struct link_vars *vars,
1528 struct bnx2x_nig_brb_pfc_port_params *nig_params)
1529{
1530 u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
1531 u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
1532 u32 pkt_priority_to_cos = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001533 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001534 u8 port = params->port;
1535
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001536 int set_pfc = params->feature_config_flags &
1537 FEATURE_CONFIG_PFC_ENABLED;
1538 DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
1539
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001540 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001541 * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
1542 * MAC control frames (that are not pause packets)
1543 * will be forwarded to the XCM.
1544 */
1545 xcm_mask = REG_RD(bp,
1546 port ? NIG_REG_LLH1_XCM_MASK :
1547 NIG_REG_LLH0_XCM_MASK);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001548 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001549 * nig params will override non PFC params, since it's possible to
1550 * do transition from PFC to SAFC
1551 */
1552 if (set_pfc) {
1553 pause_enable = 0;
1554 llfc_out_en = 0;
1555 llfc_enable = 0;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001556 if (CHIP_IS_E3(bp))
1557 ppp_enable = 0;
1558 else
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001559 ppp_enable = 1;
1560 xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
1561 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
1562 xcm0_out_en = 0;
1563 p0_hwpfc_enable = 1;
1564 } else {
1565 if (nig_params) {
1566 llfc_out_en = nig_params->llfc_out_en;
1567 llfc_enable = nig_params->llfc_enable;
1568 pause_enable = nig_params->pause_enable;
1569 } else /*defaul non PFC mode - PAUSE */
1570 pause_enable = 1;
1571
1572 xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
1573 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
1574 xcm0_out_en = 1;
1575 }
1576
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001577 if (CHIP_IS_E3(bp))
1578 REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
1579 NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001580 REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
1581 NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
1582 REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
1583 NIG_REG_LLFC_ENABLE_0, llfc_enable);
1584 REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
1585 NIG_REG_PAUSE_ENABLE_0, pause_enable);
1586
1587 REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
1588 NIG_REG_PPP_ENABLE_0, ppp_enable);
1589
1590 REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
1591 NIG_REG_LLH0_XCM_MASK, xcm_mask);
1592
1593 REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
1594
1595 /* output enable for RX_XCM # IF */
1596 REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
1597
1598 /* HW PFC TX enable */
1599 REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
1600
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001601 if (nig_params) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001602 u8 i = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001603 pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
1604
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001605 for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
1606 bnx2x_pfc_nig_rx_priority_mask(bp, i,
1607 nig_params->rx_cos_priority_mask[i], port);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001608
1609 REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
1610 NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
1611 nig_params->llfc_high_priority_classes);
1612
1613 REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
1614 NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
1615 nig_params->llfc_low_priority_classes);
1616 }
1617 REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
1618 NIG_REG_P0_PKT_PRIORITY_TO_COS,
1619 pkt_priority_to_cos);
1620}
1621
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001622int bnx2x_update_pfc(struct link_params *params,
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001623 struct link_vars *vars,
1624 struct bnx2x_nig_brb_pfc_port_params *pfc_params)
1625{
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001626 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001627 * The PFC and pause are orthogonal to one another, meaning when
1628 * PFC is enabled, the pause are disabled, and when PFC is
1629 * disabled, pause are set according to the pause result.
1630 */
1631 u32 val;
1632 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001633 int bnx2x_status = 0;
1634 u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001635 /* update NIG params */
1636 bnx2x_update_pfc_nig(params, vars, pfc_params);
1637
1638 /* update BRB params */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001639 bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
1640 if (0 != bnx2x_status)
1641 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001642
1643 if (!vars->link_up)
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001644 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001645
1646 DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001647 if (CHIP_IS_E3(bp))
1648 bnx2x_update_pfc_xmac(params, vars, 0);
1649 else {
1650 val = REG_RD(bp, MISC_REG_RESET_REG_2);
1651 if ((val &
1652 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
1653 == 0) {
1654 DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
1655 bnx2x_emac_enable(params, vars, 0);
1656 return bnx2x_status;
1657 }
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001658
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001659 if (CHIP_IS_E2(bp))
1660 bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
1661 else
1662 bnx2x_update_pfc_bmac1(params, vars);
1663
1664 val = 0;
1665 if ((params->feature_config_flags &
1666 FEATURE_CONFIG_PFC_ENABLED) ||
1667 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1668 val = 1;
1669 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
1670 }
1671 return bnx2x_status;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001672}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001673
Yaniv Rosner9380bb92011-06-14 01:34:07 +00001674
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001675static int bnx2x_bmac1_enable(struct link_params *params,
1676 struct link_vars *vars,
1677 u8 is_lb)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001678{
1679 struct bnx2x *bp = params->bp;
1680 u8 port = params->port;
1681 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
1682 NIG_REG_INGRESS_BMAC0_MEM;
1683 u32 wb_data[2];
1684 u32 val;
1685
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001686 DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001687
1688 /* XGXS control */
1689 wb_data[0] = 0x3c;
1690 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001691 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
1692 wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001693
1694 /* tx MAC SA */
1695 wb_data[0] = ((params->mac_addr[2] << 24) |
1696 (params->mac_addr[3] << 16) |
1697 (params->mac_addr[4] << 8) |
1698 params->mac_addr[5]);
1699 wb_data[1] = ((params->mac_addr[0] << 8) |
1700 params->mac_addr[1]);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001701 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001702
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001703 /* mac control */
1704 val = 0x3;
1705 if (is_lb) {
1706 val |= 0x4;
1707 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
1708 }
1709 wb_data[0] = val;
1710 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001711 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001712
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001713 /* set rx mtu */
1714 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
1715 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001716 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001717
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001718 bnx2x_update_pfc_bmac1(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001719
1720 /* set tx mtu */
1721 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
1722 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001723 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001724
1725 /* set cnt max size */
1726 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
1727 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001728 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001729
1730 /* configure safc */
1731 wb_data[0] = 0x1000200;
1732 wb_data[1] = 0;
1733 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
1734 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001735
1736 return 0;
1737}
1738
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001739static int bnx2x_bmac2_enable(struct link_params *params,
1740 struct link_vars *vars,
1741 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001742{
1743 struct bnx2x *bp = params->bp;
1744 u8 port = params->port;
1745 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
1746 NIG_REG_INGRESS_BMAC0_MEM;
1747 u32 wb_data[2];
1748
1749 DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
1750
1751 wb_data[0] = 0;
1752 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001753 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001754 udelay(30);
1755
1756 /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
1757 wb_data[0] = 0x3c;
1758 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001759 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
1760 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001761
1762 udelay(30);
1763
1764 /* tx MAC SA */
1765 wb_data[0] = ((params->mac_addr[2] << 24) |
1766 (params->mac_addr[3] << 16) |
1767 (params->mac_addr[4] << 8) |
1768 params->mac_addr[5]);
1769 wb_data[1] = ((params->mac_addr[0] << 8) |
1770 params->mac_addr[1]);
1771 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001772 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001773
1774 udelay(30);
1775
1776 /* Configure SAFC */
1777 wb_data[0] = 0x1000200;
1778 wb_data[1] = 0;
1779 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001780 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001781 udelay(30);
1782
1783 /* set rx mtu */
1784 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
1785 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001786 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001787 udelay(30);
1788
1789 /* set tx mtu */
1790 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
1791 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001792 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001793 udelay(30);
1794 /* set cnt max size */
1795 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
1796 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001797 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001798 udelay(30);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001799 bnx2x_update_pfc_bmac2(params, vars, is_lb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001800
1801 return 0;
1802}
1803
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001804static int bnx2x_bmac_enable(struct link_params *params,
1805 struct link_vars *vars,
1806 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001807{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001808 int rc = 0;
1809 u8 port = params->port;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001810 struct bnx2x *bp = params->bp;
1811 u32 val;
1812 /* reset and unreset the BigMac */
1813 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001814 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Yaniv Rosner1d9c05d2010-11-01 05:32:25 +00001815 msleep(1);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001816
1817 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001818 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001819
1820 /* enable access for bmac registers */
1821 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
1822
1823 /* Enable BMAC according to BMAC type*/
1824 if (CHIP_IS_E2(bp))
1825 rc = bnx2x_bmac2_enable(params, vars, is_lb);
1826 else
1827 rc = bnx2x_bmac1_enable(params, vars, is_lb);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001828 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
1829 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
1830 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
1831 val = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001832 if ((params->feature_config_flags &
1833 FEATURE_CONFIG_PFC_ENABLED) ||
1834 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001835 val = 1;
1836 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
1837 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
1838 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
1839 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
1840 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
1841 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
1842
1843 vars->mac_type = MAC_TYPE_BMAC;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001844 return rc;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001845}
1846
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001847
1848static void bnx2x_update_mng(struct link_params *params, u32 link_status)
1849{
1850 struct bnx2x *bp = params->bp;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00001851
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001852 REG_WR(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001853 offsetof(struct shmem_region,
1854 port_mb[params->port].link_status), link_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001855}
1856
1857static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
1858{
1859 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001860 NIG_REG_INGRESS_BMAC0_MEM;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001861 u32 wb_data[2];
Eilon Greenstein3196a882008-08-13 15:58:49 -07001862 u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001863
1864 /* Only if the bmac is out of reset */
1865 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1866 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
1867 nig_bmac_enable) {
1868
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001869 if (CHIP_IS_E2(bp)) {
1870 /* Clear Rx Enable bit in BMAC_CONTROL register */
1871 REG_RD_DMAE(bp, bmac_addr +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001872 BIGMAC2_REGISTER_BMAC_CONTROL,
1873 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001874 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
1875 REG_WR_DMAE(bp, bmac_addr +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001876 BIGMAC2_REGISTER_BMAC_CONTROL,
1877 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001878 } else {
1879 /* Clear Rx Enable bit in BMAC_CONTROL register */
1880 REG_RD_DMAE(bp, bmac_addr +
1881 BIGMAC_REGISTER_BMAC_CONTROL,
1882 wb_data, 2);
1883 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
1884 REG_WR_DMAE(bp, bmac_addr +
1885 BIGMAC_REGISTER_BMAC_CONTROL,
1886 wb_data, 2);
1887 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001888 msleep(1);
1889 }
1890}
1891
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001892static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
1893 u32 line_speed)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001894{
1895 struct bnx2x *bp = params->bp;
1896 u8 port = params->port;
1897 u32 init_crd, crd;
1898 u32 count = 1000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001899
1900 /* disable port */
1901 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
1902
1903 /* wait for init credit */
1904 init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
1905 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
1906 DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
1907
1908 while ((init_crd != crd) && count) {
1909 msleep(5);
1910
1911 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
1912 count--;
1913 }
1914 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
1915 if (init_crd != crd) {
1916 DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
1917 init_crd, crd);
1918 return -EINVAL;
1919 }
1920
David S. Millerc0700f92008-12-16 23:53:20 -08001921 if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001922 line_speed == SPEED_10 ||
1923 line_speed == SPEED_100 ||
1924 line_speed == SPEED_1000 ||
1925 line_speed == SPEED_2500) {
1926 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001927 /* update threshold */
1928 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
1929 /* update init credit */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001930 init_crd = 778; /* (800-18-4) */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001931
1932 } else {
1933 u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
1934 ETH_OVREHEAD)/16;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001935 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001936 /* update threshold */
1937 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
1938 /* update init credit */
1939 switch (line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001940 case SPEED_10000:
1941 init_crd = thresh + 553 - 22;
1942 break;
1943
1944 case SPEED_12000:
1945 init_crd = thresh + 664 - 22;
1946 break;
1947
1948 case SPEED_13000:
1949 init_crd = thresh + 742 - 22;
1950 break;
1951
1952 case SPEED_16000:
1953 init_crd = thresh + 778 - 22;
1954 break;
1955 default:
1956 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
1957 line_speed);
1958 return -EINVAL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001959 }
1960 }
1961 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
1962 DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
1963 line_speed, init_crd);
1964
1965 /* probe the credit changes */
1966 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
1967 msleep(5);
1968 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
1969
1970 /* enable port */
1971 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
1972 return 0;
1973}
1974
Dmitry Kravkove8920672011-05-04 23:52:40 +00001975/**
1976 * bnx2x_get_emac_base - retrive emac base address
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001977 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00001978 * @bp: driver handle
1979 * @mdc_mdio_access: access type
1980 * @port: port id
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001981 *
1982 * This function selects the MDC/MDIO access (through emac0 or
1983 * emac1) depend on the mdc_mdio_access, port, port swapped. Each
1984 * phy has a default access mode, which could also be overridden
1985 * by nvram configuration. This parameter, whether this is the
1986 * default phy configuration, or the nvram overrun
1987 * configuration, is passed here as mdc_mdio_access and selects
1988 * the emac_base for the CL45 read/writes operations
1989 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00001990static u32 bnx2x_get_emac_base(struct bnx2x *bp,
1991 u32 mdc_mdio_access, u8 port)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001992{
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00001993 u32 emac_base = 0;
1994 switch (mdc_mdio_access) {
1995 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
1996 break;
1997 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
1998 if (REG_RD(bp, NIG_REG_PORT_SWAP))
1999 emac_base = GRCBASE_EMAC1;
2000 else
2001 emac_base = GRCBASE_EMAC0;
2002 break;
2003 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
Eilon Greenstein589abe32009-02-12 08:36:55 +00002004 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2005 emac_base = GRCBASE_EMAC0;
2006 else
2007 emac_base = GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002008 break;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002009 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
2010 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2011 break;
2012 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
Eilon Greenstein6378c022008-08-13 15:59:25 -07002013 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002014 break;
2015 default:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002016 break;
2017 }
2018 return emac_base;
2019
2020}
2021
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002022/******************************************************************/
2023/* CL45 access functions */
2024/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002025static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
2026 u8 devad, u16 reg, u16 *ret_val)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002027{
Yaniv Rosnera198c142011-05-31 21:29:42 +00002028 u32 val;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002029 u16 i;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002030 int rc = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002031
2032 /* address */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002033 val = ((phy->addr << 21) | (devad << 16) | reg |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002034 EMAC_MDIO_COMM_COMMAND_ADDRESS |
2035 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002036 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002037
2038 for (i = 0; i < 50; i++) {
2039 udelay(10);
2040
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002041 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002042 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2043 udelay(5);
2044 break;
2045 }
2046 }
2047 if (val & EMAC_MDIO_COMM_START_BUSY) {
2048 DP(NETIF_MSG_LINK, "read phy register failed\n");
Yaniv Rosner6d870c32011-01-31 04:22:20 +00002049 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002050 *ret_val = 0;
2051 rc = -EFAULT;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002052 } else {
2053 /* data */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002054 val = ((phy->addr << 21) | (devad << 16) |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002055 EMAC_MDIO_COMM_COMMAND_READ_45 |
2056 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002057 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002058
2059 for (i = 0; i < 50; i++) {
2060 udelay(10);
2061
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002062 val = REG_RD(bp, phy->mdio_ctrl +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002063 EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002064 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2065 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2066 break;
2067 }
2068 }
2069 if (val & EMAC_MDIO_COMM_START_BUSY) {
2070 DP(NETIF_MSG_LINK, "read phy register failed\n");
Yaniv Rosner6d870c32011-01-31 04:22:20 +00002071 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002072 *ret_val = 0;
2073 rc = -EFAULT;
2074 }
2075 }
2076
Yaniv Rosnera198c142011-05-31 21:29:42 +00002077 return rc;
2078}
2079
2080static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
2081 u8 devad, u16 reg, u16 val)
2082{
2083 u32 tmp;
2084 u8 i;
2085 int rc = 0;
2086
2087 /* address */
2088
2089 tmp = ((phy->addr << 21) | (devad << 16) | reg |
2090 EMAC_MDIO_COMM_COMMAND_ADDRESS |
2091 EMAC_MDIO_COMM_START_BUSY);
2092 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2093
2094 for (i = 0; i < 50; i++) {
2095 udelay(10);
2096
2097 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2098 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2099 udelay(5);
2100 break;
2101 }
2102 }
2103 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2104 DP(NETIF_MSG_LINK, "write phy register failed\n");
2105 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
2106 rc = -EFAULT;
2107
2108 } else {
2109 /* data */
2110 tmp = ((phy->addr << 21) | (devad << 16) | val |
2111 EMAC_MDIO_COMM_COMMAND_WRITE_45 |
2112 EMAC_MDIO_COMM_START_BUSY);
2113 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2114
2115 for (i = 0; i < 50; i++) {
2116 udelay(10);
2117
2118 tmp = REG_RD(bp, phy->mdio_ctrl +
2119 EMAC_REG_EMAC_MDIO_COMM);
2120 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2121 udelay(5);
2122 break;
2123 }
2124 }
2125 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2126 DP(NETIF_MSG_LINK, "write phy register failed\n");
2127 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
2128 rc = -EFAULT;
2129 }
2130 }
2131
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002132
2133 return rc;
2134}
2135
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002136int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
2137 u8 devad, u16 reg, u16 *ret_val)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002138{
2139 u8 phy_index;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002140 /*
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002141 * Probe for the phy according to the given phy_addr, and execute
2142 * the read request on it
2143 */
2144 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
2145 if (params->phy[phy_index].addr == phy_addr) {
2146 return bnx2x_cl45_read(params->bp,
2147 &params->phy[phy_index], devad,
2148 reg, ret_val);
2149 }
2150 }
2151 return -EINVAL;
2152}
2153
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002154int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
2155 u8 devad, u16 reg, u16 val)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002156{
2157 u8 phy_index;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002158 /*
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002159 * Probe for the phy according to the given phy_addr, and execute
2160 * the write request on it
2161 */
2162 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
2163 if (params->phy[phy_index].addr == phy_addr) {
2164 return bnx2x_cl45_write(params->bp,
2165 &params->phy[phy_index], devad,
2166 reg, val);
2167 }
2168 }
2169 return -EINVAL;
2170}
2171
Yaniv Rosnerec146a62011-05-31 21:29:27 +00002172static void bnx2x_set_aer_mmd(struct link_params *params,
2173 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002174{
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002175 u32 ser_lane;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002176 u16 offset, aer_val;
2177 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002178 ser_lane = ((params->lane_config &
2179 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
2180 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
2181
Yaniv Rosnerec146a62011-05-31 21:29:27 +00002182 offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
2183 (phy->addr + ser_lane) : 0;
2184
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002185 if (CHIP_IS_E2(bp))
Yaniv Rosner82a0d472011-01-18 04:33:52 +00002186 aer_val = 0x3800 + offset - 1;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002187 else
2188 aer_val = 0x3800 + offset;
Yaniv Rosnerec146a62011-05-31 21:29:27 +00002189 DP(NETIF_MSG_LINK, "Set AER to 0x%x\n", aer_val);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002190 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002191 MDIO_AER_BLOCK_AER_REG, aer_val);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00002192
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002193}
2194
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002195/******************************************************************/
2196/* Internal phy section */
2197/******************************************************************/
2198
2199static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
2200{
2201 u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2202
2203 /* Set Clause 22 */
2204 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
2205 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
2206 udelay(500);
2207 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
2208 udelay(500);
2209 /* Set Clause 45 */
2210 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
2211}
2212
2213static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
2214{
2215 u32 val;
2216
2217 DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
2218
2219 val = SERDES_RESET_BITS << (port*16);
2220
2221 /* reset and unreset the SerDes/XGXS */
2222 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
2223 udelay(500);
2224 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
2225
2226 bnx2x_set_serdes_access(bp, port);
2227
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002228 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
2229 DEFAULT_PHY_DEV_ADDR);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002230}
2231
2232static void bnx2x_xgxs_deassert(struct link_params *params)
2233{
2234 struct bnx2x *bp = params->bp;
2235 u8 port;
2236 u32 val;
2237 DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
2238 port = params->port;
2239
2240 val = XGXS_RESET_BITS << (port*16);
2241
2242 /* reset and unreset the SerDes/XGXS */
2243 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
2244 udelay(500);
2245 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
2246
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002247 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002248 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002249 params->phy[INT_PHY].def_md_devad);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002250}
2251
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00002252static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
2253 struct link_params *params, u16 *ieee_fc)
2254{
2255 struct bnx2x *bp = params->bp;
2256 *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
2257 /**
2258 * resolve pause mode and advertisement Please refer to Table
2259 * 28B-3 of the 802.3ab-1999 spec
2260 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002261
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00002262 switch (phy->req_flow_ctrl) {
2263 case BNX2X_FLOW_CTRL_AUTO:
2264 if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
2265 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
2266 else
2267 *ieee_fc |=
2268 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
2269 break;
2270
2271 case BNX2X_FLOW_CTRL_TX:
2272 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
2273 break;
2274
2275 case BNX2X_FLOW_CTRL_RX:
2276 case BNX2X_FLOW_CTRL_BOTH:
2277 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
2278 break;
2279
2280 case BNX2X_FLOW_CTRL_NONE:
2281 default:
2282 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
2283 break;
2284 }
2285 DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
2286}
2287
2288static void set_phy_vars(struct link_params *params,
2289 struct link_vars *vars)
2290{
2291 struct bnx2x *bp = params->bp;
2292 u8 actual_phy_idx, phy_index, link_cfg_idx;
2293 u8 phy_config_swapped = params->multi_phy_config &
2294 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
2295 for (phy_index = INT_PHY; phy_index < params->num_phys;
2296 phy_index++) {
2297 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
2298 actual_phy_idx = phy_index;
2299 if (phy_config_swapped) {
2300 if (phy_index == EXT_PHY1)
2301 actual_phy_idx = EXT_PHY2;
2302 else if (phy_index == EXT_PHY2)
2303 actual_phy_idx = EXT_PHY1;
2304 }
2305 params->phy[actual_phy_idx].req_flow_ctrl =
2306 params->req_flow_ctrl[link_cfg_idx];
2307
2308 params->phy[actual_phy_idx].req_line_speed =
2309 params->req_line_speed[link_cfg_idx];
2310
2311 params->phy[actual_phy_idx].speed_cap_mask =
2312 params->speed_cap_mask[link_cfg_idx];
2313
2314 params->phy[actual_phy_idx].req_duplex =
2315 params->req_duplex[link_cfg_idx];
2316
2317 if (params->req_line_speed[link_cfg_idx] ==
2318 SPEED_AUTO_NEG)
2319 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
2320
2321 DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
2322 " speed_cap_mask %x\n",
2323 params->phy[actual_phy_idx].req_flow_ctrl,
2324 params->phy[actual_phy_idx].req_line_speed,
2325 params->phy[actual_phy_idx].speed_cap_mask);
2326 }
2327}
2328
2329static void bnx2x_ext_phy_set_pause(struct link_params *params,
2330 struct bnx2x_phy *phy,
2331 struct link_vars *vars)
2332{
2333 u16 val;
2334 struct bnx2x *bp = params->bp;
2335 /* read modify write pause advertizing */
2336 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
2337
2338 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
2339
2340 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
2341 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
2342 if ((vars->ieee_fc &
2343 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
2344 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
2345 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
2346 }
2347 if ((vars->ieee_fc &
2348 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
2349 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
2350 val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
2351 }
2352 DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
2353 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
2354}
2355
2356static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
2357{ /* LD LP */
2358 switch (pause_result) { /* ASYM P ASYM P */
2359 case 0xb: /* 1 0 1 1 */
2360 vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
2361 break;
2362
2363 case 0xe: /* 1 1 1 0 */
2364 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
2365 break;
2366
2367 case 0x5: /* 0 1 0 1 */
2368 case 0x7: /* 0 1 1 1 */
2369 case 0xd: /* 1 1 0 1 */
2370 case 0xf: /* 1 1 1 1 */
2371 vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
2372 break;
2373
2374 default:
2375 break;
2376 }
2377 if (pause_result & (1<<0))
2378 vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
2379 if (pause_result & (1<<1))
2380 vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
2381}
2382
2383static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
2384 struct link_params *params,
2385 struct link_vars *vars)
2386{
2387 struct bnx2x *bp = params->bp;
2388 u16 ld_pause; /* local */
2389 u16 lp_pause; /* link partner */
2390 u16 pause_result;
2391 u8 ret = 0;
2392 /* read twice */
2393
2394 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
2395
2396 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
2397 vars->flow_ctrl = phy->req_flow_ctrl;
2398 else if (phy->req_line_speed != SPEED_AUTO_NEG)
2399 vars->flow_ctrl = params->req_fc_auto_adv;
2400 else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
2401 ret = 1;
2402 bnx2x_cl45_read(bp, phy,
2403 MDIO_AN_DEVAD,
2404 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
2405 bnx2x_cl45_read(bp, phy,
2406 MDIO_AN_DEVAD,
2407 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
2408 pause_result = (ld_pause &
2409 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
2410 pause_result |= (lp_pause &
2411 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
2412 DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
2413 pause_result);
2414 bnx2x_pause_resolve(vars, pause_result);
2415 }
2416 return ret;
2417}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002418void bnx2x_link_status_update(struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002419 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002420{
2421 struct bnx2x *bp = params->bp;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002422 u8 link_10g_plus;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002423 u8 port = params->port;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00002424 u32 sync_offset, media_types;
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00002425 /* Update PHY configuration */
2426 set_phy_vars(params, vars);
2427
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002428 vars->link_status = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002429 offsetof(struct shmem_region,
2430 port_mb[port].link_status));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002431
2432 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00002433 vars->phy_flags = PHY_XGXS_FLAG;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002434 if (vars->link_up) {
2435 DP(NETIF_MSG_LINK, "phy link up\n");
2436
2437 vars->phy_link_up = 1;
2438 vars->duplex = DUPLEX_FULL;
2439 switch (vars->link_status &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002440 LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002441 case LINK_10THD:
2442 vars->duplex = DUPLEX_HALF;
2443 /* fall thru */
2444 case LINK_10TFD:
2445 vars->line_speed = SPEED_10;
2446 break;
2447
2448 case LINK_100TXHD:
2449 vars->duplex = DUPLEX_HALF;
2450 /* fall thru */
2451 case LINK_100T4:
2452 case LINK_100TXFD:
2453 vars->line_speed = SPEED_100;
2454 break;
2455
2456 case LINK_1000THD:
2457 vars->duplex = DUPLEX_HALF;
2458 /* fall thru */
2459 case LINK_1000TFD:
2460 vars->line_speed = SPEED_1000;
2461 break;
2462
2463 case LINK_2500THD:
2464 vars->duplex = DUPLEX_HALF;
2465 /* fall thru */
2466 case LINK_2500TFD:
2467 vars->line_speed = SPEED_2500;
2468 break;
2469
2470 case LINK_10GTFD:
2471 vars->line_speed = SPEED_10000;
2472 break;
2473
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002474 default:
2475 break;
2476 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002477 vars->flow_ctrl = 0;
2478 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
2479 vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
2480
2481 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
2482 vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
2483
2484 if (!vars->flow_ctrl)
2485 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
2486
2487 if (vars->line_speed &&
2488 ((vars->line_speed == SPEED_10) ||
2489 (vars->line_speed == SPEED_100))) {
2490 vars->phy_flags |= PHY_SGMII_FLAG;
2491 } else {
2492 vars->phy_flags &= ~PHY_SGMII_FLAG;
2493 }
2494
2495 /* anything 10 and over uses the bmac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002496 link_10g_plus = (vars->line_speed >= SPEED_10000);
2497
2498 if (link_10g_plus) {
2499 if (USES_WARPCORE(bp))
2500 vars->mac_type = MAC_TYPE_XMAC;
2501 else
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002502 vars->mac_type = MAC_TYPE_BMAC;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002503 } else {
2504 if (USES_WARPCORE(bp))
2505 vars->mac_type = MAC_TYPE_UMAC;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002506 else
2507 vars->mac_type = MAC_TYPE_EMAC;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00002508 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002509 } else { /* link down */
2510 DP(NETIF_MSG_LINK, "phy link down\n");
2511
2512 vars->phy_link_up = 0;
2513
2514 vars->line_speed = 0;
2515 vars->duplex = DUPLEX_FULL;
2516 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
2517
2518 /* indicate no mac active */
2519 vars->mac_type = MAC_TYPE_NONE;
2520 }
2521
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00002522 /* Sync media type */
2523 sync_offset = params->shmem_base +
2524 offsetof(struct shmem_region,
2525 dev_info.port_hw_config[port].media_type);
2526 media_types = REG_RD(bp, sync_offset);
2527
2528 params->phy[INT_PHY].media_type =
2529 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
2530 PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
2531 params->phy[EXT_PHY1].media_type =
2532 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
2533 PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
2534 params->phy[EXT_PHY2].media_type =
2535 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
2536 PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
2537 DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
2538
Yaniv Rosner020c7e32011-05-31 21:28:43 +00002539 /* Sync AEU offset */
2540 sync_offset = params->shmem_base +
2541 offsetof(struct shmem_region,
2542 dev_info.port_hw_config[port].aeu_int_mask);
2543
2544 vars->aeu_int_mask = REG_RD(bp, sync_offset);
2545
2546 DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
2547 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002548 DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
2549 vars->line_speed, vars->duplex, vars->flow_ctrl);
2550}
2551
2552
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002553static void bnx2x_set_master_ln(struct link_params *params,
2554 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002555{
2556 struct bnx2x *bp = params->bp;
2557 u16 new_master_ln, ser_lane;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002558 ser_lane = ((params->lane_config &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002559 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002560 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002561
2562 /* set the master_ln for AN */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002563 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002564 MDIO_REG_BANK_XGXS_BLOCK2,
2565 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
2566 &new_master_ln);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002567
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002568 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002569 MDIO_REG_BANK_XGXS_BLOCK2 ,
2570 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
2571 (new_master_ln | ser_lane));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002572}
2573
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002574static int bnx2x_reset_unicore(struct link_params *params,
2575 struct bnx2x_phy *phy,
2576 u8 set_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002577{
2578 struct bnx2x *bp = params->bp;
2579 u16 mii_control;
2580 u16 i;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002581 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002582 MDIO_REG_BANK_COMBO_IEEE0,
2583 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002584
2585 /* reset the unicore */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002586 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002587 MDIO_REG_BANK_COMBO_IEEE0,
2588 MDIO_COMBO_IEEE0_MII_CONTROL,
2589 (mii_control |
2590 MDIO_COMBO_IEEO_MII_CONTROL_RESET));
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002591 if (set_serdes)
2592 bnx2x_set_serdes_access(bp, params->port);
Eilon Greensteinc1b73992009-02-12 08:37:07 +00002593
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002594 /* wait for the reset to self clear */
2595 for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
2596 udelay(5);
2597
2598 /* the reset erased the previous bank value */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002599 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002600 MDIO_REG_BANK_COMBO_IEEE0,
2601 MDIO_COMBO_IEEE0_MII_CONTROL,
2602 &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002603
2604 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
2605 udelay(5);
2606 return 0;
2607 }
2608 }
2609
Yaniv Rosner6d870c32011-01-31 04:22:20 +00002610 netdev_err(bp->dev, "Warning: PHY was not initialized,"
2611 " Port %d\n",
2612 params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002613 DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
2614 return -EINVAL;
2615
2616}
2617
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002618static void bnx2x_set_swap_lanes(struct link_params *params,
2619 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002620{
2621 struct bnx2x *bp = params->bp;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002622 /*
2623 * Each two bits represents a lane number:
2624 * No swap is 0123 => 0x1b no need to enable the swap
2625 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002626 u16 ser_lane, rx_lane_swap, tx_lane_swap;
2627
2628 ser_lane = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002629 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
2630 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002631 rx_lane_swap = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002632 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
2633 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002634 tx_lane_swap = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002635 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
2636 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002637
2638 if (rx_lane_swap != 0x1b) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002639 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002640 MDIO_REG_BANK_XGXS_BLOCK2,
2641 MDIO_XGXS_BLOCK2_RX_LN_SWAP,
2642 (rx_lane_swap |
2643 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
2644 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002645 } else {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002646 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002647 MDIO_REG_BANK_XGXS_BLOCK2,
2648 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002649 }
2650
2651 if (tx_lane_swap != 0x1b) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002652 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002653 MDIO_REG_BANK_XGXS_BLOCK2,
2654 MDIO_XGXS_BLOCK2_TX_LN_SWAP,
2655 (tx_lane_swap |
2656 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002657 } else {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002658 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002659 MDIO_REG_BANK_XGXS_BLOCK2,
2660 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002661 }
2662}
2663
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002664static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
2665 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002666{
2667 struct bnx2x *bp = params->bp;
2668 u16 control2;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002669 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002670 MDIO_REG_BANK_SERDES_DIGITAL,
2671 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
2672 &control2);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002673 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02002674 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
2675 else
2676 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002677 DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
2678 phy->speed_cap_mask, control2);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002679 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002680 MDIO_REG_BANK_SERDES_DIGITAL,
2681 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
2682 control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002683
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002684 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002685 (phy->speed_cap_mask &
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02002686 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002687 DP(NETIF_MSG_LINK, "XGXS\n");
2688
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002689 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002690 MDIO_REG_BANK_10G_PARALLEL_DETECT,
2691 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
2692 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002693
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002694 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002695 MDIO_REG_BANK_10G_PARALLEL_DETECT,
2696 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
2697 &control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002698
2699
2700 control2 |=
2701 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
2702
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002703 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002704 MDIO_REG_BANK_10G_PARALLEL_DETECT,
2705 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
2706 control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002707
2708 /* Disable parallel detection of HiG */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002709 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002710 MDIO_REG_BANK_XGXS_BLOCK2,
2711 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
2712 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
2713 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002714 }
2715}
2716
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002717static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
2718 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002719 struct link_vars *vars,
2720 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002721{
2722 struct bnx2x *bp = params->bp;
2723 u16 reg_val;
2724
2725 /* CL37 Autoneg */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002726 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002727 MDIO_REG_BANK_COMBO_IEEE0,
2728 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002729
2730 /* CL37 Autoneg Enabled */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002731 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002732 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
2733 else /* CL37 Autoneg Disabled */
2734 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
2735 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
2736
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002737 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002738 MDIO_REG_BANK_COMBO_IEEE0,
2739 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002740
2741 /* Enable/Disable Autodetection */
2742
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002743 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002744 MDIO_REG_BANK_SERDES_DIGITAL,
2745 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002746 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
2747 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
2748 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002749 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002750 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
2751 else
2752 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
2753
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002754 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002755 MDIO_REG_BANK_SERDES_DIGITAL,
2756 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002757
2758 /* Enable TetonII and BAM autoneg */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002759 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002760 MDIO_REG_BANK_BAM_NEXT_PAGE,
2761 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002762 &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002763 if (vars->line_speed == SPEED_AUTO_NEG) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002764 /* Enable BAM aneg Mode and TetonII aneg Mode */
2765 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
2766 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
2767 } else {
2768 /* TetonII and BAM Autoneg Disabled */
2769 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
2770 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
2771 }
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002772 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002773 MDIO_REG_BANK_BAM_NEXT_PAGE,
2774 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
2775 reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002776
Eilon Greenstein239d6862009-08-12 08:23:04 +00002777 if (enable_cl73) {
2778 /* Enable Cl73 FSM status bits */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002779 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002780 MDIO_REG_BANK_CL73_USERB0,
2781 MDIO_CL73_USERB0_CL73_UCTRL,
2782 0xe);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002783
2784 /* Enable BAM Station Manager*/
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002785 CL22_WR_OVER_CL45(bp, phy,
Eilon Greenstein239d6862009-08-12 08:23:04 +00002786 MDIO_REG_BANK_CL73_USERB0,
2787 MDIO_CL73_USERB0_CL73_BAM_CTRL1,
2788 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
2789 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
2790 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
2791
Yaniv Rosner7846e472009-11-05 19:18:07 +02002792 /* Advertise CL73 link speeds */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002793 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002794 MDIO_REG_BANK_CL73_IEEEB1,
2795 MDIO_CL73_IEEEB1_AN_ADV2,
2796 &reg_val);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002797 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02002798 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
2799 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002800 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02002801 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
2802 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
Eilon Greenstein239d6862009-08-12 08:23:04 +00002803
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002804 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002805 MDIO_REG_BANK_CL73_IEEEB1,
2806 MDIO_CL73_IEEEB1_AN_ADV2,
2807 reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002808
Eilon Greenstein239d6862009-08-12 08:23:04 +00002809 /* CL73 Autoneg Enabled */
2810 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
2811
2812 } else /* CL73 Autoneg Disabled */
2813 reg_val = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002814
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002815 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002816 MDIO_REG_BANK_CL73_IEEEB0,
2817 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002818}
2819
2820/* program SerDes, forced speed */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002821static void bnx2x_program_serdes(struct bnx2x_phy *phy,
2822 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002823 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002824{
2825 struct bnx2x *bp = params->bp;
2826 u16 reg_val;
2827
Eilon Greenstein57937202009-08-12 08:23:53 +00002828 /* program duplex, disable autoneg and sgmii*/
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002829 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002830 MDIO_REG_BANK_COMBO_IEEE0,
2831 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002832 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
Eilon Greenstein57937202009-08-12 08:23:53 +00002833 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
2834 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002835 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002836 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002837 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002838 MDIO_REG_BANK_COMBO_IEEE0,
2839 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002840
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002841 /*
2842 * program speed
2843 * - needed only if the speed is greater than 1G (2.5G or 10G)
2844 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002845 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002846 MDIO_REG_BANK_SERDES_DIGITAL,
2847 MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002848 /* clearing the speed value before setting the right speed */
2849 DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
2850
2851 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
2852 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
2853
2854 if (!((vars->line_speed == SPEED_1000) ||
2855 (vars->line_speed == SPEED_100) ||
2856 (vars->line_speed == SPEED_10))) {
2857
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002858 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
2859 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002860 if (vars->line_speed == SPEED_10000)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002861 reg_val |=
2862 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002863 if (vars->line_speed == SPEED_13000)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002864 reg_val |=
2865 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002866 }
2867
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002868 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002869 MDIO_REG_BANK_SERDES_DIGITAL,
2870 MDIO_SERDES_DIGITAL_MISC1, reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002871
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002872}
2873
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00002874static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
2875 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002876{
2877 struct bnx2x *bp = params->bp;
2878 u16 val = 0;
2879
2880 /* configure the 48 bits for BAM AN */
2881
2882 /* set extended capabilities */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002883 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002884 val |= MDIO_OVER_1G_UP1_2_5G;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002885 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002886 val |= MDIO_OVER_1G_UP1_10G;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002887 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002888 MDIO_REG_BANK_OVER_1G,
2889 MDIO_OVER_1G_UP1, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002890
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002891 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002892 MDIO_REG_BANK_OVER_1G,
2893 MDIO_OVER_1G_UP3, 0x400);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002894}
2895
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00002896static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
2897 struct link_params *params,
2898 u16 ieee_fc)
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002899{
2900 struct bnx2x *bp = params->bp;
Yaniv Rosner7846e472009-11-05 19:18:07 +02002901 u16 val;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002902 /* for AN, we are always publishing full duplex */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002903
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002904 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002905 MDIO_REG_BANK_COMBO_IEEE0,
2906 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002907 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002908 MDIO_REG_BANK_CL73_IEEEB1,
2909 MDIO_CL73_IEEEB1_AN_ADV1, &val);
Yaniv Rosner7846e472009-11-05 19:18:07 +02002910 val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
2911 val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002912 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002913 MDIO_REG_BANK_CL73_IEEEB1,
2914 MDIO_CL73_IEEEB1_AN_ADV1, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002915}
2916
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002917static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
2918 struct link_params *params,
2919 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002920{
2921 struct bnx2x *bp = params->bp;
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00002922 u16 mii_control;
Eilon Greenstein239d6862009-08-12 08:23:04 +00002923
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002924 DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00002925 /* Enable and restart BAM/CL37 aneg */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002926
Eilon Greenstein239d6862009-08-12 08:23:04 +00002927 if (enable_cl73) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002928 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002929 MDIO_REG_BANK_CL73_IEEEB0,
2930 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
2931 &mii_control);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002932
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002933 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002934 MDIO_REG_BANK_CL73_IEEEB0,
2935 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
2936 (mii_control |
2937 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
2938 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
Eilon Greenstein239d6862009-08-12 08:23:04 +00002939 } else {
2940
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002941 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002942 MDIO_REG_BANK_COMBO_IEEE0,
2943 MDIO_COMBO_IEEE0_MII_CONTROL,
2944 &mii_control);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002945 DP(NETIF_MSG_LINK,
2946 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
2947 mii_control);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002948 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002949 MDIO_REG_BANK_COMBO_IEEE0,
2950 MDIO_COMBO_IEEE0_MII_CONTROL,
2951 (mii_control |
2952 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
2953 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
Eilon Greenstein239d6862009-08-12 08:23:04 +00002954 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002955}
2956
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002957static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
2958 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002959 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002960{
2961 struct bnx2x *bp = params->bp;
2962 u16 control1;
2963
2964 /* in SGMII mode, the unicore is always slave */
2965
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002966 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002967 MDIO_REG_BANK_SERDES_DIGITAL,
2968 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
2969 &control1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002970 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
2971 /* set sgmii mode (and not fiber) */
2972 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
2973 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
2974 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002975 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002976 MDIO_REG_BANK_SERDES_DIGITAL,
2977 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
2978 control1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002979
2980 /* if forced speed */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002981 if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002982 /* set speed, disable autoneg */
2983 u16 mii_control;
2984
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002985 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002986 MDIO_REG_BANK_COMBO_IEEE0,
2987 MDIO_COMBO_IEEE0_MII_CONTROL,
2988 &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002989 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
2990 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
2991 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
2992
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002993 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002994 case SPEED_100:
2995 mii_control |=
2996 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
2997 break;
2998 case SPEED_1000:
2999 mii_control |=
3000 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
3001 break;
3002 case SPEED_10:
3003 /* there is nothing to set for 10M */
3004 break;
3005 default:
3006 /* invalid speed for SGMII */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07003007 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
3008 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003009 break;
3010 }
3011
3012 /* setting the full duplex */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00003013 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003014 mii_control |=
3015 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003016 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003017 MDIO_REG_BANK_COMBO_IEEE0,
3018 MDIO_COMBO_IEEE0_MII_CONTROL,
3019 mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003020
3021 } else { /* AN mode */
3022 /* enable and restart AN */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003023 bnx2x_restart_autoneg(phy, params, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003024 }
3025}
3026
3027
3028/*
3029 * link management
3030 */
3031
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003032static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
3033 struct link_params *params)
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02003034{
3035 struct bnx2x *bp = params->bp;
3036 u16 pd_10g, status2_1000x;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00003037 if (phy->req_line_speed != SPEED_AUTO_NEG)
3038 return 0;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003039 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003040 MDIO_REG_BANK_SERDES_DIGITAL,
3041 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
3042 &status2_1000x);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003043 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003044 MDIO_REG_BANK_SERDES_DIGITAL,
3045 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
3046 &status2_1000x);
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02003047 if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
3048 DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
3049 params->port);
3050 return 1;
3051 }
3052
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003053 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003054 MDIO_REG_BANK_10G_PARALLEL_DETECT,
3055 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
3056 &pd_10g);
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02003057
3058 if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
3059 DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
3060 params->port);
3061 return 1;
3062 }
3063 return 0;
3064}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003065
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003066static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
3067 struct link_params *params,
3068 struct link_vars *vars,
3069 u32 gp_status)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003070{
3071 struct bnx2x *bp = params->bp;
Eilon Greenstein3196a882008-08-13 15:58:49 -07003072 u16 ld_pause; /* local driver */
3073 u16 lp_pause; /* link partner */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003074 u16 pause_result;
3075
David S. Millerc0700f92008-12-16 23:53:20 -08003076 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003077
3078 /* resolve from gp_status in case of AN complete and not sgmii */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00003079 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
3080 vars->flow_ctrl = phy->req_flow_ctrl;
3081 else if (phy->req_line_speed != SPEED_AUTO_NEG)
3082 vars->flow_ctrl = params->req_fc_auto_adv;
3083 else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
3084 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003085 if (bnx2x_direct_parallel_detect_used(phy, params)) {
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02003086 vars->flow_ctrl = params->req_fc_auto_adv;
3087 return;
3088 }
Yaniv Rosner7846e472009-11-05 19:18:07 +02003089 if ((gp_status &
3090 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
3091 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
3092 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
3093 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
3094
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003095 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003096 MDIO_REG_BANK_CL73_IEEEB1,
3097 MDIO_CL73_IEEEB1_AN_ADV1,
3098 &ld_pause);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003099 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003100 MDIO_REG_BANK_CL73_IEEEB1,
3101 MDIO_CL73_IEEEB1_AN_LP_ADV1,
3102 &lp_pause);
Yaniv Rosner7846e472009-11-05 19:18:07 +02003103 pause_result = (ld_pause &
3104 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
3105 >> 8;
3106 pause_result |= (lp_pause &
3107 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
3108 >> 10;
3109 DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
3110 pause_result);
3111 } else {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003112 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003113 MDIO_REG_BANK_COMBO_IEEE0,
3114 MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
3115 &ld_pause);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003116 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003117 MDIO_REG_BANK_COMBO_IEEE0,
3118 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
3119 &lp_pause);
Yaniv Rosner7846e472009-11-05 19:18:07 +02003120 pause_result = (ld_pause &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003121 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
Yaniv Rosner7846e472009-11-05 19:18:07 +02003122 pause_result |= (lp_pause &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003123 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
Yaniv Rosner7846e472009-11-05 19:18:07 +02003124 DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
3125 pause_result);
3126 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003127 bnx2x_pause_resolve(vars, pause_result);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003128 }
3129 DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
3130}
3131
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003132static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
3133 struct link_params *params)
Eilon Greenstein239d6862009-08-12 08:23:04 +00003134{
3135 struct bnx2x *bp = params->bp;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003136 u16 rx_status, ustat_val, cl37_fsm_received;
Eilon Greenstein239d6862009-08-12 08:23:04 +00003137 DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
3138 /* Step 1: Make sure signal is detected */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003139 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003140 MDIO_REG_BANK_RX0,
3141 MDIO_RX0_RX_STATUS,
3142 &rx_status);
Eilon Greenstein239d6862009-08-12 08:23:04 +00003143 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
3144 (MDIO_RX0_RX_STATUS_SIGDET)) {
3145 DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
3146 "rx_status(0x80b0) = 0x%x\n", rx_status);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003147 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003148 MDIO_REG_BANK_CL73_IEEEB0,
3149 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
3150 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
Eilon Greenstein239d6862009-08-12 08:23:04 +00003151 return;
3152 }
3153 /* Step 2: Check CL73 state machine */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003154 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003155 MDIO_REG_BANK_CL73_USERB0,
3156 MDIO_CL73_USERB0_CL73_USTAT1,
3157 &ustat_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00003158 if ((ustat_val &
3159 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
3160 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
3161 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
3162 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
3163 DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
3164 "ustat_val(0x8371) = 0x%x\n", ustat_val);
3165 return;
3166 }
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003167 /*
3168 * Step 3: Check CL37 Message Pages received to indicate LP
3169 * supports only CL37
3170 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003171 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003172 MDIO_REG_BANK_REMOTE_PHY,
3173 MDIO_REMOTE_PHY_MISC_RX_STATUS,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003174 &cl37_fsm_received);
3175 if ((cl37_fsm_received &
Eilon Greenstein239d6862009-08-12 08:23:04 +00003176 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
3177 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
3178 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
3179 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
3180 DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
3181 "misc_rx_status(0x8330) = 0x%x\n",
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003182 cl37_fsm_received);
Eilon Greenstein239d6862009-08-12 08:23:04 +00003183 return;
3184 }
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003185 /*
3186 * The combined cl37/cl73 fsm state information indicating that
3187 * we are connected to a device which does not support cl73, but
3188 * does support cl37 BAM. In this case we disable cl73 and
3189 * restart cl37 auto-neg
3190 */
3191
Eilon Greenstein239d6862009-08-12 08:23:04 +00003192 /* Disable CL73 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003193 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003194 MDIO_REG_BANK_CL73_IEEEB0,
3195 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
3196 0);
Eilon Greenstein239d6862009-08-12 08:23:04 +00003197 /* Restart CL37 autoneg */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003198 bnx2x_restart_autoneg(phy, params, 0);
Eilon Greenstein239d6862009-08-12 08:23:04 +00003199 DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
3200}
Yaniv Rosner7aa07112010-09-07 11:41:01 +00003201
3202static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
3203 struct link_params *params,
3204 struct link_vars *vars,
3205 u32 gp_status)
3206{
3207 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
3208 vars->link_status |=
3209 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
3210
3211 if (bnx2x_direct_parallel_detect_used(phy, params))
3212 vars->link_status |=
3213 LINK_STATUS_PARALLEL_DETECTION_USED;
3214}
3215
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003216static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
3217 struct link_params *params,
3218 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003219{
3220 struct bnx2x *bp = params->bp;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003221 u16 new_line_speed, gp_status;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003222 int rc = 0;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003223
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003224 /* Read gp_status */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003225 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003226 MDIO_REG_BANK_GP_STATUS,
3227 MDIO_GP_STATUS_TOP_AN_STATUS1,
3228 &gp_status);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003229
Yaniv Rosner7aa07112010-09-07 11:41:01 +00003230 if (phy->req_line_speed == SPEED_AUTO_NEG)
3231 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003232 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
3233 DP(NETIF_MSG_LINK, "phy link up gp_status=0x%x\n",
3234 gp_status);
3235
3236 vars->phy_link_up = 1;
3237 vars->link_status |= LINK_STATUS_LINK_UP;
3238
3239 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
3240 vars->duplex = DUPLEX_FULL;
3241 else
3242 vars->duplex = DUPLEX_HALF;
3243
Yaniv Rosner7aa07112010-09-07 11:41:01 +00003244 if (SINGLE_MEDIA_DIRECT(params)) {
3245 bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
3246 if (phy->req_line_speed == SPEED_AUTO_NEG)
3247 bnx2x_xgxs_an_resolve(phy, params, vars,
3248 gp_status);
3249 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003250
3251 switch (gp_status & GP_STATUS_SPEED_MASK) {
3252 case GP_STATUS_10M:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00003253 new_line_speed = SPEED_10;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003254 if (vars->duplex == DUPLEX_FULL)
3255 vars->link_status |= LINK_10TFD;
3256 else
3257 vars->link_status |= LINK_10THD;
3258 break;
3259
3260 case GP_STATUS_100M:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00003261 new_line_speed = SPEED_100;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003262 if (vars->duplex == DUPLEX_FULL)
3263 vars->link_status |= LINK_100TXFD;
3264 else
3265 vars->link_status |= LINK_100TXHD;
3266 break;
3267
3268 case GP_STATUS_1G:
3269 case GP_STATUS_1G_KX:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00003270 new_line_speed = SPEED_1000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003271 if (vars->duplex == DUPLEX_FULL)
3272 vars->link_status |= LINK_1000TFD;
3273 else
3274 vars->link_status |= LINK_1000THD;
3275 break;
3276
3277 case GP_STATUS_2_5G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00003278 new_line_speed = SPEED_2500;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003279 if (vars->duplex == DUPLEX_FULL)
3280 vars->link_status |= LINK_2500TFD;
3281 else
3282 vars->link_status |= LINK_2500THD;
3283 break;
3284
3285 case GP_STATUS_5G:
3286 case GP_STATUS_6G:
3287 DP(NETIF_MSG_LINK,
3288 "link speed unsupported gp_status 0x%x\n",
3289 gp_status);
3290 return -EINVAL;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003291
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003292 case GP_STATUS_10G_KX4:
3293 case GP_STATUS_10G_HIG:
3294 case GP_STATUS_10G_CX4:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00003295 new_line_speed = SPEED_10000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003296 vars->link_status |= LINK_10GTFD;
3297 break;
3298
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003299 default:
3300 DP(NETIF_MSG_LINK,
3301 "link speed unsupported gp_status 0x%x\n",
3302 gp_status);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003303 return -EINVAL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003304 }
3305
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00003306 vars->line_speed = new_line_speed;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003307
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003308 } else { /* link_down */
3309 DP(NETIF_MSG_LINK, "phy link down\n");
3310
3311 vars->phy_link_up = 0;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003312
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003313 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08003314 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003315 vars->mac_type = MAC_TYPE_NONE;
Eilon Greenstein239d6862009-08-12 08:23:04 +00003316
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003317 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
3318 SINGLE_MEDIA_DIRECT(params)) {
Eilon Greenstein239d6862009-08-12 08:23:04 +00003319 /* Check signal is detected */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003320 bnx2x_check_fallback_to_cl37(phy, params);
Eilon Greenstein239d6862009-08-12 08:23:04 +00003321 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003322 }
3323
Frans Pop2381a552010-03-24 07:57:36 +00003324 DP(NETIF_MSG_LINK, "gp_status 0x%x phy_link_up %x line_speed %x\n",
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003325 gp_status, vars->phy_link_up, vars->line_speed);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003326 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
3327 vars->duplex, vars->flow_ctrl, vars->link_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003328 return rc;
3329}
3330
Eilon Greensteined8680a2009-02-12 08:37:12 +00003331static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003332{
3333 struct bnx2x *bp = params->bp;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003334 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003335 u16 lp_up2;
3336 u16 tx_driver;
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00003337 u16 bank;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003338
3339 /* read precomp */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003340 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003341 MDIO_REG_BANK_OVER_1G,
3342 MDIO_OVER_1G_LP_UP2, &lp_up2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003343
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003344 /* bits [10:7] at lp_up2, positioned at [15:12] */
3345 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
3346 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
3347 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
3348
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00003349 if (lp_up2 == 0)
3350 return;
3351
3352 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
3353 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003354 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003355 bank,
3356 MDIO_TX0_TX_DRIVER, &tx_driver);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00003357
3358 /* replace tx_driver bits [15:12] */
3359 if (lp_up2 !=
3360 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
3361 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
3362 tx_driver |= lp_up2;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003363 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003364 bank,
3365 MDIO_TX0_TX_DRIVER, tx_driver);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00003366 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003367 }
3368}
3369
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003370static int bnx2x_emac_program(struct link_params *params,
3371 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003372{
3373 struct bnx2x *bp = params->bp;
3374 u8 port = params->port;
3375 u16 mode = 0;
3376
3377 DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
3378 bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003379 EMAC_REG_EMAC_MODE,
3380 (EMAC_MODE_25G_MODE |
3381 EMAC_MODE_PORT_MII_10M |
3382 EMAC_MODE_HALF_DUPLEX));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003383 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003384 case SPEED_10:
3385 mode |= EMAC_MODE_PORT_MII_10M;
3386 break;
3387
3388 case SPEED_100:
3389 mode |= EMAC_MODE_PORT_MII;
3390 break;
3391
3392 case SPEED_1000:
3393 mode |= EMAC_MODE_PORT_GMII;
3394 break;
3395
3396 case SPEED_2500:
3397 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
3398 break;
3399
3400 default:
3401 /* 10G not valid for EMAC */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003402 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
3403 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003404 return -EINVAL;
3405 }
3406
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003407 if (vars->duplex == DUPLEX_HALF)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003408 mode |= EMAC_MODE_HALF_DUPLEX;
3409 bnx2x_bits_en(bp,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003410 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
3411 mode);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003412
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003413 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003414 return 0;
3415}
3416
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003417static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
3418 struct link_params *params)
3419{
3420
3421 u16 bank, i = 0;
3422 struct bnx2x *bp = params->bp;
3423
3424 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
3425 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003426 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003427 bank,
3428 MDIO_RX0_RX_EQ_BOOST,
3429 phy->rx_preemphasis[i]);
3430 }
3431
3432 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
3433 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003434 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003435 bank,
3436 MDIO_TX0_TX_DRIVER,
3437 phy->tx_preemphasis[i]);
3438 }
3439}
3440
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003441static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
3442 struct link_params *params,
3443 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003444{
3445 struct bnx2x *bp = params->bp;
3446 u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
3447 (params->loopback_mode == LOOPBACK_XGXS));
3448 if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
3449 if (SINGLE_MEDIA_DIRECT(params) &&
3450 (params->feature_config_flags &
3451 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
3452 bnx2x_set_preemphasis(phy, params);
3453
3454 /* forced speed requested? */
3455 if (vars->line_speed != SPEED_AUTO_NEG ||
3456 (SINGLE_MEDIA_DIRECT(params) &&
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003457 params->loopback_mode == LOOPBACK_EXT)) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003458 DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
3459
3460 /* disable autoneg */
3461 bnx2x_set_autoneg(phy, params, vars, 0);
3462
3463 /* program speed and duplex */
3464 bnx2x_program_serdes(phy, params, vars);
3465
3466 } else { /* AN_mode */
3467 DP(NETIF_MSG_LINK, "not SGMII, AN\n");
3468
3469 /* AN enabled */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003470 bnx2x_set_brcm_cl37_advertisement(phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003471
3472 /* program duplex & pause advertisement (for aneg) */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003473 bnx2x_set_ieee_aneg_advertisement(phy, params,
3474 vars->ieee_fc);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003475
3476 /* enable autoneg */
3477 bnx2x_set_autoneg(phy, params, vars, enable_cl73);
3478
3479 /* enable and restart AN */
3480 bnx2x_restart_autoneg(phy, params, enable_cl73);
3481 }
3482
3483 } else { /* SGMII mode */
3484 DP(NETIF_MSG_LINK, "SGMII\n");
3485
3486 bnx2x_initialize_sgmii_process(phy, params, vars);
3487 }
3488}
3489
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003490static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
3491 struct link_params *params,
3492 struct link_vars *vars)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003493{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003494 int rc;
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003495 vars->phy_flags |= PHY_XGXS_FLAG;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003496 if ((phy->req_line_speed &&
3497 ((phy->req_line_speed == SPEED_100) ||
3498 (phy->req_line_speed == SPEED_10))) ||
3499 (!phy->req_line_speed &&
3500 (phy->speed_cap_mask >=
3501 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
3502 (phy->speed_cap_mask <
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003503 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3504 (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003505 vars->phy_flags |= PHY_SGMII_FLAG;
3506 else
3507 vars->phy_flags &= ~PHY_SGMII_FLAG;
3508
3509 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003510 bnx2x_set_aer_mmd(params, phy);
3511 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
3512 bnx2x_set_master_ln(params, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003513
3514 rc = bnx2x_reset_unicore(params, phy, 0);
3515 /* reset the SerDes and wait for reset bit return low */
3516 if (rc != 0)
3517 return rc;
3518
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003519 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003520 /* setting the masterLn_def again after the reset */
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003521 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
3522 bnx2x_set_master_ln(params, phy);
3523 bnx2x_set_swap_lanes(params, phy);
3524 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003525
3526 return rc;
3527}
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003528
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003529static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
Yaniv Rosner6d870c32011-01-31 04:22:20 +00003530 struct bnx2x_phy *phy,
3531 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003532{
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003533 u16 cnt, ctrl;
Lucas De Marchi25985ed2011-03-30 22:57:33 -03003534 /* Wait for soft reset to get cleared up to 1 sec */
Yaniv Rosner62b29a52010-09-07 11:40:58 +00003535 for (cnt = 0; cnt < 1000; cnt++) {
3536 bnx2x_cl45_read(bp, phy,
3537 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, &ctrl);
3538 if (!(ctrl & (1<<15)))
3539 break;
3540 msleep(1);
3541 }
Yaniv Rosner6d870c32011-01-31 04:22:20 +00003542
3543 if (cnt == 1000)
3544 netdev_err(bp->dev, "Warning: PHY was not initialized,"
3545 " Port %d\n",
3546 params->port);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00003547 DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
3548 return cnt;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003549}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003550
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003551static void bnx2x_link_int_enable(struct link_params *params)
3552{
3553 u8 port = params->port;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003554 u32 mask;
3555 struct bnx2x *bp = params->bp;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003556
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003557 /* Setting the status to report on link up for either XGXS or SerDes */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003558 if (params->switch_cfg == SWITCH_CFG_10G) {
3559 mask = (NIG_MASK_XGXS0_LINK10G |
3560 NIG_MASK_XGXS0_LINK_STATUS);
3561 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003562 if (!(SINGLE_MEDIA_DIRECT(params)) &&
3563 params->phy[INT_PHY].type !=
3564 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003565 mask |= NIG_MASK_MI_INT;
3566 DP(NETIF_MSG_LINK, "enabled external phy int\n");
3567 }
3568
3569 } else { /* SerDes */
3570 mask = NIG_MASK_SERDES0_LINK_STATUS;
3571 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003572 if (!(SINGLE_MEDIA_DIRECT(params)) &&
3573 params->phy[INT_PHY].type !=
3574 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003575 mask |= NIG_MASK_MI_INT;
3576 DP(NETIF_MSG_LINK, "enabled external phy int\n");
3577 }
3578 }
3579 bnx2x_bits_en(bp,
3580 NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
3581 mask);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003582
3583 DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003584 (params->switch_cfg == SWITCH_CFG_10G),
3585 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003586 DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
3587 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
3588 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
3589 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
3590 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
3591 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
3592 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
3593}
3594
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003595static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
3596 u8 exp_mi_int)
Eilon Greenstein2f904462009-08-12 08:22:16 +00003597{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003598 u32 latch_status = 0;
3599
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003600 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003601 * Disable the MI INT ( external phy int ) by writing 1 to the
3602 * status register. Link down indication is high-active-signal,
3603 * so in this case we need to write the status to clear the XOR
Eilon Greenstein2f904462009-08-12 08:22:16 +00003604 */
3605 /* Read Latched signals */
3606 latch_status = REG_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003607 NIG_REG_LATCH_STATUS_0 + port*8);
3608 DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
Eilon Greenstein2f904462009-08-12 08:22:16 +00003609 /* Handle only those with latched-signal=up.*/
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003610 if (exp_mi_int)
3611 bnx2x_bits_en(bp,
3612 NIG_REG_STATUS_INTERRUPT_PORT0
3613 + port*4,
3614 NIG_STATUS_EMAC0_MI_INT);
3615 else
3616 bnx2x_bits_dis(bp,
3617 NIG_REG_STATUS_INTERRUPT_PORT0
3618 + port*4,
3619 NIG_STATUS_EMAC0_MI_INT);
3620
Eilon Greenstein2f904462009-08-12 08:22:16 +00003621 if (latch_status & 1) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003622
Eilon Greenstein2f904462009-08-12 08:22:16 +00003623 /* For all latched-signal=up : Re-Arm Latch signals */
3624 REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003625 (latch_status & 0xfffe) | (latch_status & 1));
Eilon Greenstein2f904462009-08-12 08:22:16 +00003626 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003627 /* For all latched-signal=up,Write original_signal to status */
Eilon Greenstein2f904462009-08-12 08:22:16 +00003628}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003629
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003630static void bnx2x_link_int_ack(struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003631 struct link_vars *vars, u8 is_10g)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003632{
3633 struct bnx2x *bp = params->bp;
3634 u8 port = params->port;
3635
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003636 /*
3637 * First reset all status we assume only one line will be
3638 * change at a time
3639 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003640 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003641 (NIG_STATUS_XGXS0_LINK10G |
3642 NIG_STATUS_XGXS0_LINK_STATUS |
3643 NIG_STATUS_SERDES0_LINK_STATUS));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003644 if (vars->phy_link_up) {
3645 if (is_10g) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003646 /*
3647 * Disable the 10G link interrupt by writing 1 to the
3648 * status register
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003649 */
3650 DP(NETIF_MSG_LINK, "10G XGXS phy link up\n");
3651 bnx2x_bits_en(bp,
3652 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
3653 NIG_STATUS_XGXS0_LINK10G);
3654
3655 } else if (params->switch_cfg == SWITCH_CFG_10G) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003656 /*
3657 * Disable the link interrupt by writing 1 to the
3658 * relevant lane in the status register
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003659 */
3660 u32 ser_lane = ((params->lane_config &
3661 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3662 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3663
Eilon Greenstein2f904462009-08-12 08:22:16 +00003664 DP(NETIF_MSG_LINK, "%d speed XGXS phy link up\n",
3665 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003666 bnx2x_bits_en(bp,
3667 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
3668 ((1 << ser_lane) <<
3669 NIG_STATUS_XGXS0_LINK_STATUS_SIZE));
3670
3671 } else { /* SerDes */
3672 DP(NETIF_MSG_LINK, "SerDes phy link up\n");
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003673 /*
3674 * Disable the link interrupt by writing 1 to the status
3675 * register
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003676 */
3677 bnx2x_bits_en(bp,
3678 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
3679 NIG_STATUS_SERDES0_LINK_STATUS);
3680 }
3681
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003682 }
3683}
3684
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003685static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003686{
3687 u8 *str_ptr = str;
3688 u32 mask = 0xf0000000;
3689 u8 shift = 8*4;
3690 u8 digit;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003691 u8 remove_leading_zeros = 1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003692 if (*len < 10) {
Frederik Schwarzer025dfda2008-10-16 19:02:37 +02003693 /* Need more than 10chars for this format */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003694 *str_ptr = '\0';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003695 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003696 return -EINVAL;
3697 }
3698 while (shift > 0) {
3699
3700 shift -= 4;
3701 digit = ((num & mask) >> shift);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003702 if (digit == 0 && remove_leading_zeros) {
3703 mask = mask >> 4;
3704 continue;
3705 } else if (digit < 0xa)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003706 *str_ptr = digit + '0';
3707 else
3708 *str_ptr = digit - 0xa + 'a';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003709 remove_leading_zeros = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003710 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003711 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003712 mask = mask >> 4;
3713 if (shift == 4*4) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003714 *str_ptr = '.';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003715 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003716 (*len)--;
3717 remove_leading_zeros = 1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003718 }
3719 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003720 return 0;
3721}
3722
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003723
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003724static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003725{
3726 str[0] = '\0';
3727 (*len)--;
3728 return 0;
3729}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003730
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003731int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
3732 u8 *version, u16 len)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003733{
Julia Lawall0376d5b2009-07-19 05:26:35 +00003734 struct bnx2x *bp;
Eilon Greensteina35da8d2009-02-12 08:37:02 +00003735 u32 spirom_ver = 0;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003736 int status = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003737 u8 *ver_p = version;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003738 u16 remain_len = len;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003739 if (version == NULL || params == NULL)
3740 return -EINVAL;
Julia Lawall0376d5b2009-07-19 05:26:35 +00003741 bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003742
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003743 /* Extract first external phy*/
3744 version[0] = '\0';
3745 spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
Eilon Greensteina35da8d2009-02-12 08:37:02 +00003746
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003747 if (params->phy[EXT_PHY1].format_fw_ver) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003748 status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
3749 ver_p,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003750 &remain_len);
3751 ver_p += (len - remain_len);
3752 }
3753 if ((params->num_phys == MAX_PHYS) &&
3754 (params->phy[EXT_PHY2].ver_addr != 0)) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003755 spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003756 if (params->phy[EXT_PHY2].format_fw_ver) {
3757 *ver_p = '/';
3758 ver_p++;
3759 remain_len--;
3760 status |= params->phy[EXT_PHY2].format_fw_ver(
3761 spirom_ver,
3762 ver_p,
3763 &remain_len);
3764 ver_p = version + (len - remain_len);
3765 }
3766 }
3767 *ver_p = '\0';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003768 return status;
3769}
3770
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003771static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
Yaniv Rosner62b29a52010-09-07 11:40:58 +00003772 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003773{
3774 u8 port = params->port;
3775 struct bnx2x *bp = params->bp;
3776
Yaniv Rosner62b29a52010-09-07 11:40:58 +00003777 if (phy->req_line_speed != SPEED_1000) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07003778 u32 md_devad;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003779
3780 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
3781
3782 /* change the uni_phy_addr in the nig */
3783 md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003784 port*0x18));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003785
3786 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5);
3787
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003788 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003789 5,
3790 (MDIO_REG_BANK_AER_BLOCK +
3791 (MDIO_AER_BLOCK_AER_REG & 0xf)),
3792 0x2800);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003793
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003794 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003795 5,
3796 (MDIO_REG_BANK_CL73_IEEEB0 +
3797 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
3798 0x6041);
Eilon Greenstein38582762009-01-14 06:44:16 +00003799 msleep(200);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003800 /* set aer mmd back */
Yaniv Rosnerec146a62011-05-31 21:29:27 +00003801 bnx2x_set_aer_mmd(params, phy);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003802
3803 /* and md_devad */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003804 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, md_devad);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003805 } else {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003806 u16 mii_ctrl;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003807 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003808 bnx2x_cl45_read(bp, phy, 5,
3809 (MDIO_REG_BANK_COMBO_IEEE0 +
3810 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
3811 &mii_ctrl);
3812 bnx2x_cl45_write(bp, phy, 5,
3813 (MDIO_REG_BANK_COMBO_IEEE0 +
3814 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
3815 mii_ctrl |
3816 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003817 }
3818}
3819
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003820int bnx2x_set_led(struct link_params *params,
3821 struct link_vars *vars, u8 mode, u32 speed)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003822{
Yaniv Rosner7846e472009-11-05 19:18:07 +02003823 u8 port = params->port;
3824 u16 hw_led_mode = params->hw_led_mode;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003825 int rc = 0;
3826 u8 phy_idx;
Eilon Greenstein345b5d52008-08-13 15:58:12 -07003827 u32 tmp;
3828 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Yaniv Rosner7846e472009-11-05 19:18:07 +02003829 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003830 DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
3831 DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
3832 speed, hw_led_mode);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003833 /* In case */
3834 for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
3835 if (params->phy[phy_idx].set_link_led) {
3836 params->phy[phy_idx].set_link_led(
3837 &params->phy[phy_idx], params, mode);
3838 }
3839 }
3840
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003841 switch (mode) {
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003842 case LED_MODE_FRONT_PANEL_OFF:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003843 case LED_MODE_OFF:
3844 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
3845 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003846 SHARED_HW_CFG_LED_MAC1);
Eilon Greenstein345b5d52008-08-13 15:58:12 -07003847
3848 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Eilon Greenstein3196a882008-08-13 15:58:49 -07003849 EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003850 break;
3851
3852 case LED_MODE_OPER:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003853 /*
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003854 * For all other phys, OPER mode is same as ON, so in case
3855 * link is down, do nothing
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003856 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003857 if (!vars->link_up)
3858 break;
3859 case LED_MODE_ON:
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00003860 if (((params->phy[EXT_PHY1].type ==
3861 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
3862 (params->phy[EXT_PHY1].type ==
3863 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
Yaniv Rosner1f483532011-01-18 04:33:31 +00003864 CHIP_IS_E2(bp) && params->num_phys == 2) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003865 /*
3866 * This is a work-around for E2+8727 Configurations
3867 */
Yaniv Rosner1f483532011-01-18 04:33:31 +00003868 if (mode == LED_MODE_ON ||
3869 speed == SPEED_10000){
3870 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
3871 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
3872
3873 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
3874 EMAC_WR(bp, EMAC_REG_EMAC_LED,
3875 (tmp | EMAC_LED_OVERRIDE));
3876 return rc;
3877 }
3878 } else if (SINGLE_MEDIA_DIRECT(params)) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003879 /*
3880 * This is a work-around for HW issue found when link
3881 * is up in CL73
3882 */
Yaniv Rosner7846e472009-11-05 19:18:07 +02003883 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
3884 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
3885 } else {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003886 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
Yaniv Rosner7846e472009-11-05 19:18:07 +02003887 }
3888
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003889 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003890 /* Set blinking rate to ~15.9Hz */
3891 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003892 LED_BLINK_RATE_VAL);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003893 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003894 port*4, 1);
Eilon Greenstein345b5d52008-08-13 15:58:12 -07003895 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003896 EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
Eilon Greenstein345b5d52008-08-13 15:58:12 -07003897
Yaniv Rosner7846e472009-11-05 19:18:07 +02003898 if (CHIP_IS_E1(bp) &&
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003899 ((speed == SPEED_2500) ||
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003900 (speed == SPEED_1000) ||
3901 (speed == SPEED_100) ||
3902 (speed == SPEED_10))) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003903 /*
3904 * On Everest 1 Ax chip versions for speeds less than
3905 * 10G LED scheme is different
3906 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003907 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003908 + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003909 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003910 port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003911 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003912 port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003913 }
3914 break;
3915
3916 default:
3917 rc = -EINVAL;
3918 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
3919 mode);
3920 break;
3921 }
3922 return rc;
3923
3924}
3925
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003926/*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003927 * This function comes to reflect the actual link state read DIRECTLY from the
3928 * HW
3929 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003930int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
3931 u8 is_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003932{
3933 struct bnx2x *bp = params->bp;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003934 u16 gp_status = 0, phy_index = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003935 u8 ext_phy_link_up = 0, serdes_phy_type;
3936 struct link_vars temp_vars;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003937
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003938 CL22_RD_OVER_CL45(bp, &params->phy[INT_PHY],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003939 MDIO_REG_BANK_GP_STATUS,
3940 MDIO_GP_STATUS_TOP_AN_STATUS1,
3941 &gp_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003942 /* link is up only if both local phy and external phy are up */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003943 if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
3944 return -ESRCH;
3945
3946 switch (params->num_phys) {
3947 case 1:
3948 /* No external PHY */
3949 return 0;
3950 case 2:
3951 ext_phy_link_up = params->phy[EXT_PHY1].read_status(
3952 &params->phy[EXT_PHY1],
3953 params, &temp_vars);
3954 break;
3955 case 3: /* Dual Media */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003956 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
3957 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003958 serdes_phy_type = ((params->phy[phy_index].media_type ==
3959 ETH_PHY_SFP_FIBER) ||
3960 (params->phy[phy_index].media_type ==
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00003961 ETH_PHY_XFP_FIBER) ||
3962 (params->phy[phy_index].media_type ==
3963 ETH_PHY_DA_TWINAX));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003964
3965 if (is_serdes != serdes_phy_type)
3966 continue;
3967 if (params->phy[phy_index].read_status) {
3968 ext_phy_link_up |=
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003969 params->phy[phy_index].read_status(
3970 &params->phy[phy_index],
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003971 params, &temp_vars);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003972 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003973 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003974 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003975 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003976 if (ext_phy_link_up)
3977 return 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003978 return -ESRCH;
3979}
3980
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003981static int bnx2x_link_initialize(struct link_params *params,
3982 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003983{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003984 int rc = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003985 u8 phy_index, non_ext_phy;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003986 struct bnx2x *bp = params->bp;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003987 /*
3988 * In case of external phy existence, the line speed would be the
3989 * line speed linked up by the external phy. In case it is direct
3990 * only, then the line_speed during initialization will be
3991 * equal to the req_line_speed
3992 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003993 vars->line_speed = params->phy[INT_PHY].req_line_speed;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003994
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003995 /*
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003996 * Initialize the internal phy in case this is a direct board
3997 * (no external phys), or this board has external phy which requires
3998 * to first.
3999 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004000
Yaniv Rosnerec146a62011-05-31 21:29:27 +00004001 bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004002 /* init ext phy and enable link state int */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00004003 non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004004 (params->loopback_mode == LOOPBACK_XGXS));
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004005
4006 if (non_ext_phy ||
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00004007 (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
Eilon Greenstein8660d8c2009-03-02 08:01:02 +00004008 (params->loopback_mode == LOOPBACK_EXT_PHY)) {
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00004009 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosnere10bc842010-09-07 11:40:50 +00004010 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00004011 bnx2x_set_parallel_detection(phy, params);
Yaniv Rosnerec146a62011-05-31 21:29:27 +00004012 if (params->phy[INT_PHY].config_init)
4013 params->phy[INT_PHY].config_init(phy,
4014 params,
4015 vars);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004016 }
4017
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00004018 /* Init external phy*/
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00004019 if (non_ext_phy) {
4020 if (params->phy[INT_PHY].supported &
4021 SUPPORTED_FIBRE)
4022 vars->link_status |= LINK_STATUS_SERDES_LINK;
4023 } else {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004024 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
4025 phy_index++) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004026 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004027 * No need to initialize second phy in case of first
4028 * phy only selection. In case of second phy, we do
4029 * need to initialize the first phy, since they are
4030 * connected.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004031 */
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00004032 if (params->phy[phy_index].supported &
4033 SUPPORTED_FIBRE)
4034 vars->link_status |= LINK_STATUS_SERDES_LINK;
4035
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004036 if (phy_index == EXT_PHY2 &&
4037 (bnx2x_phy_selection(params) ==
4038 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00004039 DP(NETIF_MSG_LINK, "Not initializing"
4040 " second phy\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004041 continue;
4042 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004043 params->phy[phy_index].config_init(
4044 &params->phy[phy_index],
4045 params, vars);
4046 }
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00004047 }
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004048 /* Reset the interrupt indication after phy was initialized */
4049 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
4050 params->port*4,
4051 (NIG_STATUS_XGXS0_LINK10G |
4052 NIG_STATUS_XGXS0_LINK_STATUS |
4053 NIG_STATUS_SERDES0_LINK_STATUS |
4054 NIG_MASK_MI_INT));
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00004055 bnx2x_update_mng(params, vars->link_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004056 return rc;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004057}
4058
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004059static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
4060 struct link_params *params)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004061{
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004062 /* reset the SerDes/XGXS */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004063 REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
4064 (0x1ff << (params->port*16)));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004065}
4066
4067static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
4068 struct link_params *params)
4069{
4070 struct bnx2x *bp = params->bp;
4071 u8 gpio_port;
4072 /* HW reset */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004073 if (CHIP_IS_E2(bp))
4074 gpio_port = BP_PATH(bp);
4075 else
4076 gpio_port = params->port;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004077 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004078 MISC_REGISTERS_GPIO_OUTPUT_LOW,
4079 gpio_port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004080 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004081 MISC_REGISTERS_GPIO_OUTPUT_LOW,
4082 gpio_port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004083 DP(NETIF_MSG_LINK, "reset external PHY\n");
4084}
4085
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004086static int bnx2x_update_link_down(struct link_params *params,
4087 struct link_vars *vars)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004088{
4089 struct bnx2x *bp = params->bp;
4090 u8 port = params->port;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00004091
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004092 DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00004093 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004094
4095 /* indicate no mac active */
4096 vars->mac_type = MAC_TYPE_NONE;
4097
4098 /* update shared memory */
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00004099 vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
4100 LINK_STATUS_LINK_UP |
4101 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
4102 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
4103 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
4104 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004105 vars->line_speed = 0;
4106 bnx2x_update_mng(params, vars->link_status);
4107
4108 /* activate nig drain */
4109 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
4110
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00004111 /* disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004112 if (!CHIP_IS_E3(bp))
4113 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00004114
4115 msleep(10);
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004116 /* reset BigMac/Xmac */
4117 if (CHIP_IS_E1x(bp) ||
4118 CHIP_IS_E2(bp)) {
4119 bnx2x_bmac_rx_disable(bp, params->port);
4120 REG_WR(bp, GRCBASE_MISC +
4121 MISC_REGISTERS_RESET_REG_2_CLEAR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004122 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004123 }
4124 if (CHIP_IS_E3(bp))
4125 bnx2x_xmac_disable(params);
4126
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004127 return 0;
4128}
4129
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004130static int bnx2x_update_link_up(struct link_params *params,
4131 struct link_vars *vars,
4132 u8 link_10g)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004133{
4134 struct bnx2x *bp = params->bp;
4135 u8 port = params->port;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004136 int rc = 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00004137
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004138 vars->link_status |= LINK_STATUS_LINK_UP;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00004139
Yaniv Rosner7aa07112010-09-07 11:41:01 +00004140 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
4141 vars->link_status |=
4142 LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
4143
4144 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
4145 vars->link_status |=
4146 LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004147 if (USES_WARPCORE(bp)) {
4148 if (link_10g)
4149 bnx2x_xmac_enable(params, vars, 0);
4150 else
4151 bnx2x_umac_enable(params, vars, 0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00004152 bnx2x_set_led(params, vars,
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004153 LED_MODE_OPER, vars->line_speed);
4154 }
4155 if ((CHIP_IS_E1x(bp) ||
4156 CHIP_IS_E2(bp))) {
4157 if (link_10g) {
4158 bnx2x_bmac_enable(params, vars, 0);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004159
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004160 bnx2x_set_led(params, vars,
4161 LED_MODE_OPER, SPEED_10000);
4162 } else {
4163 rc = bnx2x_emac_program(params, vars);
4164 bnx2x_emac_enable(params, vars, 0);
Yaniv Rosner0c786f02009-11-05 19:18:32 +02004165
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004166 /* AN complete? */
4167 if ((vars->link_status &
4168 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
4169 && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
4170 SINGLE_MEDIA_DIRECT(params))
4171 bnx2x_set_gmii_tx_driver(params);
4172 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004173 }
4174
4175 /* PBF - link up */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004176 if (CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004177 rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
4178 vars->line_speed);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004179
4180 /* disable drain */
4181 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
4182
4183 /* update shared memory */
4184 bnx2x_update_mng(params, vars->link_status);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00004185 msleep(20);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004186 return rc;
4187}
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004188/*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004189 * The bnx2x_link_update function should be called upon link
4190 * interrupt.
4191 * Link is considered up as follows:
4192 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
4193 * to be up
4194 * - SINGLE_MEDIA - The link between the 577xx and the external
4195 * phy (XGXS) need to up as well as the external link of the
4196 * phy (PHY_EXT1)
4197 * - DUAL_MEDIA - The link between the 577xx and the first
4198 * external phy needs to be up, and at least one of the 2
4199 * external phy link must be up.
Yaniv Rosner62b29a52010-09-07 11:40:58 +00004200 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004201int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004202{
4203 struct bnx2x *bp = params->bp;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004204 struct link_vars phy_vars[MAX_PHYS];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004205 u8 port = params->port;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004206 u8 link_10g, phy_index;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004207 u8 ext_phy_link_up = 0, cur_link_up;
4208 int rc = 0;
Eilon Greenstein2f904462009-08-12 08:22:16 +00004209 u8 is_mi_int = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004210 u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
4211 u8 active_external_phy = INT_PHY;
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00004212
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004213 for (phy_index = INT_PHY; phy_index < params->num_phys;
4214 phy_index++) {
4215 phy_vars[phy_index].flow_ctrl = 0;
4216 phy_vars[phy_index].link_status = 0;
4217 phy_vars[phy_index].line_speed = 0;
4218 phy_vars[phy_index].duplex = DUPLEX_FULL;
4219 phy_vars[phy_index].phy_link_up = 0;
4220 phy_vars[phy_index].link_up = 0;
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00004221 phy_vars[phy_index].fault_detected = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004222 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004223
4224 DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00004225 port, (vars->phy_flags & PHY_XGXS_FLAG),
4226 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004227
Eilon Greenstein2f904462009-08-12 08:22:16 +00004228 is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004229 port*0x18) > 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004230 DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00004231 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
4232 is_mi_int,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004233 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004234
4235 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
4236 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
4237 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
4238
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00004239 /* disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00004240 if (!CHIP_IS_E3(bp))
4241 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00004242
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004243 /*
4244 * Step 1:
4245 * Check external link change only for external phys, and apply
4246 * priority selection between them in case the link on both phys
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00004247 * is up. Note that instead of the common vars, a temporary
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004248 * vars argument is used since each phy may have different link/
4249 * speed/duplex result
4250 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004251 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
4252 phy_index++) {
4253 struct bnx2x_phy *phy = &params->phy[phy_index];
4254 if (!phy->read_status)
4255 continue;
4256 /* Read link status and params of this ext phy */
4257 cur_link_up = phy->read_status(phy, params,
4258 &phy_vars[phy_index]);
4259 if (cur_link_up) {
4260 DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
4261 phy_index);
4262 } else {
4263 DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
4264 phy_index);
4265 continue;
4266 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004267
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004268 if (!ext_phy_link_up) {
4269 ext_phy_link_up = 1;
4270 active_external_phy = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004271 } else {
4272 switch (bnx2x_phy_selection(params)) {
4273 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
4274 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004275 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004276 * In this option, the first PHY makes sure to pass the
4277 * traffic through itself only.
4278 * Its not clear how to reset the link on the second phy
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004279 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004280 active_external_phy = EXT_PHY1;
4281 break;
4282 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004283 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004284 * In this option, the first PHY makes sure to pass the
4285 * traffic through the second PHY.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004286 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004287 active_external_phy = EXT_PHY2;
4288 break;
4289 default:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004290 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004291 * Link indication on both PHYs with the following cases
4292 * is invalid:
4293 * - FIRST_PHY means that second phy wasn't initialized,
4294 * hence its link is expected to be down
4295 * - SECOND_PHY means that first phy should not be able
4296 * to link up by itself (using configuration)
4297 * - DEFAULT should be overriden during initialiazation
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004298 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004299 DP(NETIF_MSG_LINK, "Invalid link indication"
4300 "mpc=0x%x. DISABLING LINK !!!\n",
4301 params->multi_phy_config);
4302 ext_phy_link_up = 0;
4303 break;
4304 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004305 }
4306 }
4307 prev_line_speed = vars->line_speed;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004308 /*
4309 * Step 2:
4310 * Read the status of the internal phy. In case of
4311 * DIRECT_SINGLE_MEDIA board, this link is the external link,
4312 * otherwise this is the link between the 577xx and the first
4313 * external phy
4314 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004315 if (params->phy[INT_PHY].read_status)
4316 params->phy[INT_PHY].read_status(
4317 &params->phy[INT_PHY],
4318 params, vars);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004319 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004320 * The INT_PHY flow control reside in the vars. This include the
4321 * case where the speed or flow control are not set to AUTO.
4322 * Otherwise, the active external phy flow control result is set
4323 * to the vars. The ext_phy_line_speed is needed to check if the
4324 * speed is different between the internal phy and external phy.
4325 * This case may be result of intermediate link speed change.
4326 */
4327 if (active_external_phy > INT_PHY) {
4328 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004329 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004330 * Link speed is taken from the XGXS. AN and FC result from
4331 * the external phy.
4332 */
4333 vars->link_status |= phy_vars[active_external_phy].link_status;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004334
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004335 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004336 * if active_external_phy is first PHY and link is up - disable
4337 * disable TX on second external PHY
4338 */
4339 if (active_external_phy == EXT_PHY1) {
4340 if (params->phy[EXT_PHY2].phy_specific_func) {
4341 DP(NETIF_MSG_LINK, "Disabling TX on"
4342 " EXT_PHY2\n");
4343 params->phy[EXT_PHY2].phy_specific_func(
4344 &params->phy[EXT_PHY2],
4345 params, DISABLE_TX);
4346 }
4347 }
4348
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004349 ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
4350 vars->duplex = phy_vars[active_external_phy].duplex;
4351 if (params->phy[active_external_phy].supported &
4352 SUPPORTED_FIBRE)
4353 vars->link_status |= LINK_STATUS_SERDES_LINK;
Yaniv Rosnerfd36a2e2011-05-31 21:29:05 +00004354 else
4355 vars->link_status &= ~LINK_STATUS_SERDES_LINK;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004356 DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
4357 active_external_phy);
4358 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004359
4360 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
4361 phy_index++) {
4362 if (params->phy[phy_index].flags &
4363 FLAGS_REARM_LATCH_SIGNAL) {
4364 bnx2x_rearm_latch_signal(bp, port,
4365 phy_index ==
4366 active_external_phy);
4367 break;
4368 }
4369 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004370 DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
4371 " ext_phy_line_speed = %d\n", vars->flow_ctrl,
4372 vars->link_status, ext_phy_line_speed);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004373 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004374 * Upon link speed change set the NIG into drain mode. Comes to
4375 * deals with possible FIFO glitch due to clk change when speed
4376 * is decreased without link down indicator
4377 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004378
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004379 if (vars->phy_link_up) {
4380 if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
4381 (ext_phy_line_speed != vars->line_speed)) {
4382 DP(NETIF_MSG_LINK, "Internal link speed %d is"
4383 " different than the external"
4384 " link speed %d\n", vars->line_speed,
4385 ext_phy_line_speed);
4386 vars->phy_link_up = 0;
4387 } else if (prev_line_speed != vars->line_speed) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004388 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
4389 0);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004390 msleep(1);
4391 }
4392 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004393
4394 /* anything 10 and over uses the bmac */
4395 link_10g = ((vars->line_speed == SPEED_10000) ||
4396 (vars->line_speed == SPEED_12000) ||
4397 (vars->line_speed == SPEED_12500) ||
4398 (vars->line_speed == SPEED_13000) ||
4399 (vars->line_speed == SPEED_15000) ||
4400 (vars->line_speed == SPEED_16000));
4401
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004402 bnx2x_link_int_ack(params, vars, link_10g);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004403
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004404 /*
4405 * In case external phy link is up, and internal link is down
4406 * (not initialized yet probably after link initialization, it
4407 * needs to be initialized.
4408 * Note that after link down-up as result of cable plug, the xgxs
4409 * link would probably become up again without the need
4410 * initialize it
4411 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004412 if (!(SINGLE_MEDIA_DIRECT(params))) {
4413 DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
4414 " init_preceding = %d\n", ext_phy_link_up,
4415 vars->phy_link_up,
4416 params->phy[EXT_PHY1].flags &
4417 FLAGS_INIT_XGXS_FIRST);
4418 if (!(params->phy[EXT_PHY1].flags &
4419 FLAGS_INIT_XGXS_FIRST)
4420 && ext_phy_link_up && !vars->phy_link_up) {
4421 vars->line_speed = ext_phy_line_speed;
4422 if (vars->line_speed < SPEED_1000)
4423 vars->phy_flags |= PHY_SGMII_FLAG;
4424 else
4425 vars->phy_flags &= ~PHY_SGMII_FLAG;
Yaniv Rosnerec146a62011-05-31 21:29:27 +00004426
4427 if (params->phy[INT_PHY].config_init)
4428 params->phy[INT_PHY].config_init(
4429 &params->phy[INT_PHY], params,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004430 vars);
4431 }
4432 }
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004433 /*
4434 * Link is up only if both local phy and external phy (in case of
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00004435 * non-direct board) are up and no fault detected on active PHY.
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004436 */
4437 vars->link_up = (vars->phy_link_up &&
4438 (ext_phy_link_up ||
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00004439 SINGLE_MEDIA_DIRECT(params)) &&
4440 (phy_vars[active_external_phy].fault_detected == 0));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004441
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004442 if (vars->link_up)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004443 rc = bnx2x_update_link_up(params, vars, link_10g);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004444 else
4445 rc = bnx2x_update_link_down(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004446
4447 return rc;
4448}
4449
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004450
4451/*****************************************************************************/
4452/* External Phy section */
4453/*****************************************************************************/
4454void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004455{
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004456 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004457 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004458 msleep(1);
4459 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004460 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004461}
4462
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004463static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
4464 u32 spirom_ver, u32 ver_addr)
4465{
4466 DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
4467 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
4468
4469 if (ver_addr)
4470 REG_WR(bp, ver_addr, spirom_ver);
4471}
4472
4473static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
4474 struct bnx2x_phy *phy,
4475 u8 port)
4476{
4477 u16 fw_ver1, fw_ver2;
4478
4479 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004480 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004481 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004482 MDIO_PMA_REG_ROM_VER2, &fw_ver2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004483 bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
4484 phy->ver_addr);
4485}
4486
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004487static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
4488 struct bnx2x_phy *phy,
4489 struct link_vars *vars)
4490{
4491 u16 val;
4492 bnx2x_cl45_read(bp, phy,
4493 MDIO_AN_DEVAD,
4494 MDIO_AN_REG_STATUS, &val);
4495 bnx2x_cl45_read(bp, phy,
4496 MDIO_AN_DEVAD,
4497 MDIO_AN_REG_STATUS, &val);
4498 if (val & (1<<5))
4499 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
4500 if ((val & (1<<0)) == 0)
4501 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
4502}
4503
4504/******************************************************************/
4505/* common BCM8073/BCM8727 PHY SECTION */
4506/******************************************************************/
4507static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
4508 struct link_params *params,
4509 struct link_vars *vars)
4510{
4511 struct bnx2x *bp = params->bp;
4512 if (phy->req_line_speed == SPEED_10 ||
4513 phy->req_line_speed == SPEED_100) {
4514 vars->flow_ctrl = phy->req_flow_ctrl;
4515 return;
4516 }
4517
4518 if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
4519 (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
4520 u16 pause_result;
4521 u16 ld_pause; /* local */
4522 u16 lp_pause; /* link partner */
4523 bnx2x_cl45_read(bp, phy,
4524 MDIO_AN_DEVAD,
4525 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
4526
4527 bnx2x_cl45_read(bp, phy,
4528 MDIO_AN_DEVAD,
4529 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
4530 pause_result = (ld_pause &
4531 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
4532 pause_result |= (lp_pause &
4533 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
4534
4535 bnx2x_pause_resolve(vars, pause_result);
4536 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
4537 pause_result);
4538 }
4539}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004540static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
4541 struct bnx2x_phy *phy,
4542 u8 port)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004543{
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00004544 u32 count = 0;
4545 u16 fw_ver1, fw_msgout;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004546 int rc = 0;
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00004547
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004548 /* Boot port from external ROM */
4549 /* EDC grst */
4550 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004551 MDIO_PMA_DEVAD,
4552 MDIO_PMA_REG_GEN_CTRL,
4553 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004554
4555 /* ucode reboot and rst */
4556 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004557 MDIO_PMA_DEVAD,
4558 MDIO_PMA_REG_GEN_CTRL,
4559 0x008c);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004560
4561 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004562 MDIO_PMA_DEVAD,
4563 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004564
4565 /* Reset internal microprocessor */
4566 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004567 MDIO_PMA_DEVAD,
4568 MDIO_PMA_REG_GEN_CTRL,
4569 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004570
4571 /* Release srst bit */
4572 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004573 MDIO_PMA_DEVAD,
4574 MDIO_PMA_REG_GEN_CTRL,
4575 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004576
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00004577 /* Delay 100ms per the PHY specifications */
4578 msleep(100);
4579
4580 /* 8073 sometimes taking longer to download */
4581 do {
4582 count++;
4583 if (count > 300) {
4584 DP(NETIF_MSG_LINK,
4585 "bnx2x_8073_8727_external_rom_boot port %x:"
4586 "Download failed. fw version = 0x%x\n",
4587 port, fw_ver1);
4588 rc = -EINVAL;
4589 break;
4590 }
4591
4592 bnx2x_cl45_read(bp, phy,
4593 MDIO_PMA_DEVAD,
4594 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
4595 bnx2x_cl45_read(bp, phy,
4596 MDIO_PMA_DEVAD,
4597 MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
4598
4599 msleep(1);
4600 } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
4601 ((fw_msgout & 0xff) != 0x03 && (phy->type ==
4602 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004603
4604 /* Clear ser_boot_ctl bit */
4605 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004606 MDIO_PMA_DEVAD,
4607 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004608 bnx2x_save_bcm_spirom_ver(bp, phy, port);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00004609
4610 DP(NETIF_MSG_LINK,
4611 "bnx2x_8073_8727_external_rom_boot port %x:"
4612 "Download complete. fw version = 0x%x\n",
4613 port, fw_ver1);
4614
4615 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004616}
4617
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004618/******************************************************************/
4619/* BCM8073 PHY SECTION */
4620/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004621static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004622{
4623 /* This is only required for 8073A1, version 102 only */
4624 u16 val;
4625
4626 /* Read 8073 HW revision*/
4627 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004628 MDIO_PMA_DEVAD,
4629 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004630
4631 if (val != 1) {
4632 /* No need to workaround in 8073 A1 */
4633 return 0;
4634 }
4635
4636 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004637 MDIO_PMA_DEVAD,
4638 MDIO_PMA_REG_ROM_VER2, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004639
4640 /* SNR should be applied only for version 0x102 */
4641 if (val != 0x102)
4642 return 0;
4643
4644 return 1;
4645}
4646
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004647static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004648{
4649 u16 val, cnt, cnt1 ;
4650
4651 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004652 MDIO_PMA_DEVAD,
4653 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004654
4655 if (val > 0) {
4656 /* No need to workaround in 8073 A1 */
4657 return 0;
4658 }
4659 /* XAUI workaround in 8073 A0: */
4660
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004661 /*
4662 * After loading the boot ROM and restarting Autoneg, poll
4663 * Dev1, Reg $C820:
4664 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004665
4666 for (cnt = 0; cnt < 1000; cnt++) {
4667 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004668 MDIO_PMA_DEVAD,
4669 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
4670 &val);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004671 /*
4672 * If bit [14] = 0 or bit [13] = 0, continue on with
4673 * system initialization (XAUI work-around not required, as
4674 * these bits indicate 2.5G or 1G link up).
4675 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004676 if (!(val & (1<<14)) || !(val & (1<<13))) {
4677 DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
4678 return 0;
4679 } else if (!(val & (1<<15))) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004680 DP(NETIF_MSG_LINK, "bit 15 went off\n");
4681 /*
4682 * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
4683 * MSB (bit15) goes to 1 (indicating that the XAUI
4684 * workaround has completed), then continue on with
4685 * system initialization.
4686 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004687 for (cnt1 = 0; cnt1 < 1000; cnt1++) {
4688 bnx2x_cl45_read(bp, phy,
4689 MDIO_PMA_DEVAD,
4690 MDIO_PMA_REG_8073_XAUI_WA, &val);
4691 if (val & (1<<15)) {
4692 DP(NETIF_MSG_LINK,
4693 "XAUI workaround has completed\n");
4694 return 0;
4695 }
4696 msleep(3);
4697 }
4698 break;
4699 }
4700 msleep(3);
4701 }
4702 DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
4703 return -EINVAL;
4704}
4705
4706static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
4707{
4708 /* Force KR or KX */
4709 bnx2x_cl45_write(bp, phy,
4710 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
4711 bnx2x_cl45_write(bp, phy,
4712 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
4713 bnx2x_cl45_write(bp, phy,
4714 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
4715 bnx2x_cl45_write(bp, phy,
4716 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
4717}
4718
4719static void bnx2x_8073_set_pause_cl37(struct link_params *params,
4720 struct bnx2x_phy *phy,
4721 struct link_vars *vars)
4722{
4723 u16 cl37_val;
4724 struct bnx2x *bp = params->bp;
4725 bnx2x_cl45_read(bp, phy,
4726 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
4727
4728 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
4729 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
4730 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
4731 if ((vars->ieee_fc &
4732 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
4733 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
4734 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
4735 }
4736 if ((vars->ieee_fc &
4737 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
4738 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
4739 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
4740 }
4741 if ((vars->ieee_fc &
4742 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
4743 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
4744 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
4745 }
4746 DP(NETIF_MSG_LINK,
4747 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
4748
4749 bnx2x_cl45_write(bp, phy,
4750 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
4751 msleep(500);
4752}
4753
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004754static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
4755 struct link_params *params,
4756 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004757{
4758 struct bnx2x *bp = params->bp;
4759 u16 val = 0, tmp1;
4760 u8 gpio_port;
4761 DP(NETIF_MSG_LINK, "Init 8073\n");
4762
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004763 if (CHIP_IS_E2(bp))
4764 gpio_port = BP_PATH(bp);
4765 else
4766 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004767 /* Restore normal power mode*/
4768 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004769 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004770
4771 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004772 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004773
4774 /* enable LASI */
4775 bnx2x_cl45_write(bp, phy,
4776 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, (1<<2));
4777 bnx2x_cl45_write(bp, phy,
4778 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x0004);
4779
4780 bnx2x_8073_set_pause_cl37(params, phy, vars);
4781
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004782 bnx2x_cl45_read(bp, phy,
4783 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
4784
4785 bnx2x_cl45_read(bp, phy,
4786 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
4787
4788 DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
4789
Yaniv Rosner74d7a112011-01-18 04:33:18 +00004790 /* Swap polarity if required - Must be done only in non-1G mode */
4791 if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
4792 /* Configure the 8073 to swap _P and _N of the KR lines */
4793 DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
4794 /* 10G Rx/Tx and 1G Tx signal polarity swap */
4795 bnx2x_cl45_read(bp, phy,
4796 MDIO_PMA_DEVAD,
4797 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
4798 bnx2x_cl45_write(bp, phy,
4799 MDIO_PMA_DEVAD,
4800 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
4801 (val | (3<<9)));
4802 }
4803
4804
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004805 /* Enable CL37 BAM */
Yaniv Rosner121839b2010-11-01 05:32:38 +00004806 if (REG_RD(bp, params->shmem_base +
4807 offsetof(struct shmem_region, dev_info.
4808 port_hw_config[params->port].default_cfg)) &
4809 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004810
Yaniv Rosner121839b2010-11-01 05:32:38 +00004811 bnx2x_cl45_read(bp, phy,
4812 MDIO_AN_DEVAD,
4813 MDIO_AN_REG_8073_BAM, &val);
4814 bnx2x_cl45_write(bp, phy,
4815 MDIO_AN_DEVAD,
4816 MDIO_AN_REG_8073_BAM, val | 1);
4817 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
4818 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004819 if (params->loopback_mode == LOOPBACK_EXT) {
4820 bnx2x_807x_force_10G(bp, phy);
4821 DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
4822 return 0;
4823 } else {
4824 bnx2x_cl45_write(bp, phy,
4825 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
4826 }
4827 if (phy->req_line_speed != SPEED_AUTO_NEG) {
4828 if (phy->req_line_speed == SPEED_10000) {
4829 val = (1<<7);
4830 } else if (phy->req_line_speed == SPEED_2500) {
4831 val = (1<<5);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004832 /*
4833 * Note that 2.5G works only when used with 1G
Lucas De Marchi25985ed2011-03-30 22:57:33 -03004834 * advertisement
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004835 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004836 } else
4837 val = (1<<5);
4838 } else {
4839 val = 0;
4840 if (phy->speed_cap_mask &
4841 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
4842 val |= (1<<7);
4843
Lucas De Marchi25985ed2011-03-30 22:57:33 -03004844 /* Note that 2.5G works only when used with 1G advertisement */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004845 if (phy->speed_cap_mask &
4846 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
4847 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
4848 val |= (1<<5);
4849 DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
4850 }
4851
4852 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
4853 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
4854
4855 if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
4856 (phy->req_line_speed == SPEED_AUTO_NEG)) ||
4857 (phy->req_line_speed == SPEED_2500)) {
4858 u16 phy_ver;
4859 /* Allow 2.5G for A1 and above */
4860 bnx2x_cl45_read(bp, phy,
4861 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
4862 &phy_ver);
4863 DP(NETIF_MSG_LINK, "Add 2.5G\n");
4864 if (phy_ver > 0)
4865 tmp1 |= 1;
4866 else
4867 tmp1 &= 0xfffe;
4868 } else {
4869 DP(NETIF_MSG_LINK, "Disable 2.5G\n");
4870 tmp1 &= 0xfffe;
4871 }
4872
4873 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
4874 /* Add support for CL37 (passive mode) II */
4875
4876 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
4877 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
4878 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
4879 0x20 : 0x40)));
4880
4881 /* Add support for CL37 (passive mode) III */
4882 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
4883
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004884 /*
4885 * The SNR will improve about 2db by changing BW and FEE main
4886 * tap. Rest commands are executed after link is up
4887 * Change FFE main cursor to 5 in EDC register
4888 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004889 if (bnx2x_8073_is_snr_needed(bp, phy))
4890 bnx2x_cl45_write(bp, phy,
4891 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
4892 0xFB0C);
4893
4894 /* Enable FEC (Forware Error Correction) Request in the AN */
4895 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
4896 tmp1 |= (1<<15);
4897 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
4898
4899 bnx2x_ext_phy_set_pause(params, phy, vars);
4900
4901 /* Restart autoneg */
4902 msleep(500);
4903 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
4904 DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
4905 ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
4906 return 0;
4907}
4908
4909static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
4910 struct link_params *params,
4911 struct link_vars *vars)
4912{
4913 struct bnx2x *bp = params->bp;
4914 u8 link_up = 0;
4915 u16 val1, val2;
4916 u16 link_status = 0;
4917 u16 an1000_status = 0;
4918
4919 bnx2x_cl45_read(bp, phy,
4920 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
4921
4922 DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
4923
4924 /* clear the interrupt LASI status register */
4925 bnx2x_cl45_read(bp, phy,
4926 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
4927 bnx2x_cl45_read(bp, phy,
4928 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
4929 DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
4930 /* Clear MSG-OUT */
4931 bnx2x_cl45_read(bp, phy,
4932 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
4933
4934 /* Check the LASI */
4935 bnx2x_cl45_read(bp, phy,
4936 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
4937
4938 DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
4939
4940 /* Check the link status */
4941 bnx2x_cl45_read(bp, phy,
4942 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
4943 DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
4944
4945 bnx2x_cl45_read(bp, phy,
4946 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
4947 bnx2x_cl45_read(bp, phy,
4948 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
4949 link_up = ((val1 & 4) == 4);
4950 DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
4951
4952 if (link_up &&
4953 ((phy->req_line_speed != SPEED_10000))) {
4954 if (bnx2x_8073_xaui_wa(bp, phy) != 0)
4955 return 0;
4956 }
4957 bnx2x_cl45_read(bp, phy,
4958 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
4959 bnx2x_cl45_read(bp, phy,
4960 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
4961
4962 /* Check the link status on 1.1.2 */
4963 bnx2x_cl45_read(bp, phy,
4964 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
4965 bnx2x_cl45_read(bp, phy,
4966 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
4967 DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
4968 "an_link_status=0x%x\n", val2, val1, an1000_status);
4969
4970 link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
4971 if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004972 /*
4973 * The SNR will improve about 2dbby changing the BW and FEE main
4974 * tap. The 1st write to change FFE main tap is set before
4975 * restart AN. Change PLL Bandwidth in EDC register
4976 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004977 bnx2x_cl45_write(bp, phy,
4978 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
4979 0x26BC);
4980
4981 /* Change CDR Bandwidth in EDC register */
4982 bnx2x_cl45_write(bp, phy,
4983 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
4984 0x0333);
4985 }
4986 bnx2x_cl45_read(bp, phy,
4987 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
4988 &link_status);
4989
4990 /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
4991 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
4992 link_up = 1;
4993 vars->line_speed = SPEED_10000;
4994 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
4995 params->port);
4996 } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
4997 link_up = 1;
4998 vars->line_speed = SPEED_2500;
4999 DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
5000 params->port);
5001 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
5002 link_up = 1;
5003 vars->line_speed = SPEED_1000;
5004 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
5005 params->port);
5006 } else {
5007 link_up = 0;
5008 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
5009 params->port);
5010 }
5011
5012 if (link_up) {
Yaniv Rosner74d7a112011-01-18 04:33:18 +00005013 /* Swap polarity if required */
5014 if (params->lane_config &
5015 PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
5016 /* Configure the 8073 to swap P and N of the KR lines */
5017 bnx2x_cl45_read(bp, phy,
5018 MDIO_XS_DEVAD,
5019 MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005020 /*
5021 * Set bit 3 to invert Rx in 1G mode and clear this bit
5022 * when it`s in 10G mode.
5023 */
Yaniv Rosner74d7a112011-01-18 04:33:18 +00005024 if (vars->line_speed == SPEED_1000) {
5025 DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
5026 "the 8073\n");
5027 val1 |= (1<<3);
5028 } else
5029 val1 &= ~(1<<3);
5030
5031 bnx2x_cl45_write(bp, phy,
5032 MDIO_XS_DEVAD,
5033 MDIO_XS_REG_8073_RX_CTRL_PCIE,
5034 val1);
5035 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005036 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
5037 bnx2x_8073_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00005038 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005039 }
5040 return link_up;
5041}
5042
5043static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
5044 struct link_params *params)
5045{
5046 struct bnx2x *bp = params->bp;
5047 u8 gpio_port;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005048 if (CHIP_IS_E2(bp))
5049 gpio_port = BP_PATH(bp);
5050 else
5051 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005052 DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
5053 gpio_port);
5054 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005055 MISC_REGISTERS_GPIO_OUTPUT_LOW,
5056 gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005057}
5058
5059/******************************************************************/
5060/* BCM8705 PHY SECTION */
5061/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005062static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
5063 struct link_params *params,
5064 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005065{
5066 struct bnx2x *bp = params->bp;
5067 DP(NETIF_MSG_LINK, "init 8705\n");
5068 /* Restore normal power mode*/
5069 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005070 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005071 /* HW reset */
5072 bnx2x_ext_phy_hw_reset(bp, params->port);
5073 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00005074 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005075
5076 bnx2x_cl45_write(bp, phy,
5077 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
5078 bnx2x_cl45_write(bp, phy,
5079 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
5080 bnx2x_cl45_write(bp, phy,
5081 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
5082 bnx2x_cl45_write(bp, phy,
5083 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
5084 /* BCM8705 doesn't have microcode, hence the 0 */
5085 bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
5086 return 0;
5087}
5088
5089static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
5090 struct link_params *params,
5091 struct link_vars *vars)
5092{
5093 u8 link_up = 0;
5094 u16 val1, rx_sd;
5095 struct bnx2x *bp = params->bp;
5096 DP(NETIF_MSG_LINK, "read status 8705\n");
5097 bnx2x_cl45_read(bp, phy,
5098 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
5099 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
5100
5101 bnx2x_cl45_read(bp, phy,
5102 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
5103 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
5104
5105 bnx2x_cl45_read(bp, phy,
5106 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
5107
5108 bnx2x_cl45_read(bp, phy,
5109 MDIO_PMA_DEVAD, 0xc809, &val1);
5110 bnx2x_cl45_read(bp, phy,
5111 MDIO_PMA_DEVAD, 0xc809, &val1);
5112
5113 DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
5114 link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
5115 if (link_up) {
5116 vars->line_speed = SPEED_10000;
5117 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5118 }
5119 return link_up;
5120}
5121
5122/******************************************************************/
5123/* SFP+ module Section */
5124/******************************************************************/
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005125static u8 bnx2x_get_gpio_port(struct link_params *params)
5126{
5127 u8 gpio_port;
5128 u32 swap_val, swap_override;
5129 struct bnx2x *bp = params->bp;
5130 if (CHIP_IS_E2(bp))
5131 gpio_port = BP_PATH(bp);
5132 else
5133 gpio_port = params->port;
5134 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
5135 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
5136 return gpio_port ^ (swap_val && swap_override);
5137}
5138static void bnx2x_sfp_set_transmitter(struct link_params *params,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005139 struct bnx2x_phy *phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005140 u8 tx_en)
5141{
5142 u16 val;
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005143 u8 port = params->port;
5144 struct bnx2x *bp = params->bp;
5145 u32 tx_en_mode;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005146
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005147 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005148 tx_en_mode = REG_RD(bp, params->shmem_base +
5149 offsetof(struct shmem_region,
5150 dev_info.port_hw_config[port].sfp_ctrl)) &
5151 PORT_HW_CFG_TX_LASER_MASK;
5152 DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
5153 "mode = %x\n", tx_en, port, tx_en_mode);
5154 switch (tx_en_mode) {
5155 case PORT_HW_CFG_TX_LASER_MDIO:
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005156
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005157 bnx2x_cl45_read(bp, phy,
5158 MDIO_PMA_DEVAD,
5159 MDIO_PMA_REG_PHY_IDENTIFIER,
5160 &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005161
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005162 if (tx_en)
5163 val &= ~(1<<15);
5164 else
5165 val |= (1<<15);
5166
5167 bnx2x_cl45_write(bp, phy,
5168 MDIO_PMA_DEVAD,
5169 MDIO_PMA_REG_PHY_IDENTIFIER,
5170 val);
5171 break;
5172 case PORT_HW_CFG_TX_LASER_GPIO0:
5173 case PORT_HW_CFG_TX_LASER_GPIO1:
5174 case PORT_HW_CFG_TX_LASER_GPIO2:
5175 case PORT_HW_CFG_TX_LASER_GPIO3:
5176 {
5177 u16 gpio_pin;
5178 u8 gpio_port, gpio_mode;
5179 if (tx_en)
5180 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
5181 else
5182 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
5183
5184 gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
5185 gpio_port = bnx2x_get_gpio_port(params);
5186 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
5187 break;
5188 }
5189 default:
5190 DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
5191 break;
5192 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005193}
5194
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005195static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
5196 struct link_params *params,
5197 u16 addr, u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005198{
5199 struct bnx2x *bp = params->bp;
5200 u16 val = 0;
5201 u16 i;
5202 if (byte_cnt > 16) {
5203 DP(NETIF_MSG_LINK, "Reading from eeprom is"
5204 " is limited to 0xf\n");
5205 return -EINVAL;
5206 }
5207 /* Set the read command byte count */
5208 bnx2x_cl45_write(bp, phy,
5209 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005210 (byte_cnt | 0xa000));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005211
5212 /* Set the read command address */
5213 bnx2x_cl45_write(bp, phy,
5214 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005215 addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005216
5217 /* Activate read command */
5218 bnx2x_cl45_write(bp, phy,
5219 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005220 0x2c0f);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005221
5222 /* Wait up to 500us for command complete status */
5223 for (i = 0; i < 100; i++) {
5224 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005225 MDIO_PMA_DEVAD,
5226 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005227 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
5228 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
5229 break;
5230 udelay(5);
5231 }
5232
5233 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
5234 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
5235 DP(NETIF_MSG_LINK,
5236 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
5237 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
5238 return -EINVAL;
5239 }
5240
5241 /* Read the buffer */
5242 for (i = 0; i < byte_cnt; i++) {
5243 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005244 MDIO_PMA_DEVAD,
5245 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005246 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
5247 }
5248
5249 for (i = 0; i < 100; i++) {
5250 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005251 MDIO_PMA_DEVAD,
5252 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005253 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
5254 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
Joe Perches6f38ad92010-11-14 17:04:31 +00005255 return 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005256 msleep(1);
5257 }
5258 return -EINVAL;
5259}
5260
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005261static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
5262 struct link_params *params,
5263 u16 addr, u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005264{
5265 struct bnx2x *bp = params->bp;
5266 u16 val, i;
5267
5268 if (byte_cnt > 16) {
5269 DP(NETIF_MSG_LINK, "Reading from eeprom is"
5270 " is limited to 0xf\n");
5271 return -EINVAL;
5272 }
5273
5274 /* Need to read from 1.8000 to clear it */
5275 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005276 MDIO_PMA_DEVAD,
5277 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
5278 &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005279
5280 /* Set the read command byte count */
5281 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005282 MDIO_PMA_DEVAD,
5283 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
5284 ((byte_cnt < 2) ? 2 : byte_cnt));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005285
5286 /* Set the read command address */
5287 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005288 MDIO_PMA_DEVAD,
5289 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
5290 addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005291 /* Set the destination address */
5292 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005293 MDIO_PMA_DEVAD,
5294 0x8004,
5295 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005296
5297 /* Activate read command */
5298 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005299 MDIO_PMA_DEVAD,
5300 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
5301 0x8002);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005302 /*
5303 * Wait appropriate time for two-wire command to finish before
5304 * polling the status register
5305 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005306 msleep(1);
5307
5308 /* Wait up to 500us for command complete status */
5309 for (i = 0; i < 100; i++) {
5310 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005311 MDIO_PMA_DEVAD,
5312 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005313 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
5314 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
5315 break;
5316 udelay(5);
5317 }
5318
5319 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
5320 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
5321 DP(NETIF_MSG_LINK,
5322 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
5323 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
Yaniv Rosner65a001b2011-01-31 04:22:03 +00005324 return -EFAULT;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005325 }
5326
5327 /* Read the buffer */
5328 for (i = 0; i < byte_cnt; i++) {
5329 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005330 MDIO_PMA_DEVAD,
5331 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005332 o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
5333 }
5334
5335 for (i = 0; i < 100; i++) {
5336 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005337 MDIO_PMA_DEVAD,
5338 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005339 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
5340 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
Joe Perches6f38ad92010-11-14 17:04:31 +00005341 return 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005342 msleep(1);
5343 }
5344
5345 return -EINVAL;
5346}
5347
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005348int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
5349 struct link_params *params, u16 addr,
5350 u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005351{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005352 int rc = -EINVAL;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00005353 switch (phy->type) {
5354 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
5355 rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
5356 byte_cnt, o_buf);
5357 break;
5358 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
5359 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
5360 rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
5361 byte_cnt, o_buf);
5362 break;
5363 }
5364 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005365}
5366
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005367static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
5368 struct link_params *params,
5369 u16 *edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005370{
5371 struct bnx2x *bp = params->bp;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00005372 u32 sync_offset = 0, phy_idx, media_types;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005373 u8 val, check_limiting_mode = 0;
5374 *edc_mode = EDC_MODE_LIMITING;
5375
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00005376 phy->media_type = ETH_PHY_UNSPECIFIED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005377 /* First check for copper cable */
5378 if (bnx2x_read_sfp_module_eeprom(phy,
5379 params,
5380 SFP_EEPROM_CON_TYPE_ADDR,
5381 1,
5382 &val) != 0) {
5383 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
5384 return -EINVAL;
5385 }
5386
5387 switch (val) {
5388 case SFP_EEPROM_CON_TYPE_VAL_COPPER:
5389 {
5390 u8 copper_module_type;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00005391 phy->media_type = ETH_PHY_DA_TWINAX;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005392 /*
5393 * Check if its active cable (includes SFP+ module)
5394 * of passive cable
5395 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005396 if (bnx2x_read_sfp_module_eeprom(phy,
5397 params,
5398 SFP_EEPROM_FC_TX_TECH_ADDR,
5399 1,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005400 &copper_module_type) != 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005401 DP(NETIF_MSG_LINK,
5402 "Failed to read copper-cable-type"
5403 " from SFP+ EEPROM\n");
5404 return -EINVAL;
5405 }
5406
5407 if (copper_module_type &
5408 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
5409 DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
5410 check_limiting_mode = 1;
5411 } else if (copper_module_type &
5412 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
5413 DP(NETIF_MSG_LINK, "Passive Copper"
5414 " cable detected\n");
5415 *edc_mode =
5416 EDC_MODE_PASSIVE_DAC;
5417 } else {
5418 DP(NETIF_MSG_LINK, "Unknown copper-cable-"
5419 "type 0x%x !!!\n", copper_module_type);
5420 return -EINVAL;
5421 }
5422 break;
5423 }
5424 case SFP_EEPROM_CON_TYPE_VAL_LC:
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00005425 phy->media_type = ETH_PHY_SFP_FIBER;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005426 DP(NETIF_MSG_LINK, "Optic module detected\n");
5427 check_limiting_mode = 1;
5428 break;
5429 default:
5430 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
5431 val);
5432 return -EINVAL;
5433 }
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00005434 sync_offset = params->shmem_base +
5435 offsetof(struct shmem_region,
5436 dev_info.port_hw_config[params->port].media_type);
5437 media_types = REG_RD(bp, sync_offset);
5438 /* Update media type for non-PMF sync */
5439 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
5440 if (&(params->phy[phy_idx]) == phy) {
5441 media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
5442 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
5443 media_types |= ((phy->media_type &
5444 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
5445 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
5446 break;
5447 }
5448 }
5449 REG_WR(bp, sync_offset, media_types);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005450 if (check_limiting_mode) {
5451 u8 options[SFP_EEPROM_OPTIONS_SIZE];
5452 if (bnx2x_read_sfp_module_eeprom(phy,
5453 params,
5454 SFP_EEPROM_OPTIONS_ADDR,
5455 SFP_EEPROM_OPTIONS_SIZE,
5456 options) != 0) {
5457 DP(NETIF_MSG_LINK, "Failed to read Option"
5458 " field from module EEPROM\n");
5459 return -EINVAL;
5460 }
5461 if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
5462 *edc_mode = EDC_MODE_LINEAR;
5463 else
5464 *edc_mode = EDC_MODE_LIMITING;
5465 }
5466 DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
5467 return 0;
5468}
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005469/*
5470 * This function read the relevant field from the module (SFP+), and verify it
5471 * is compliant with this board
5472 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005473static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
5474 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005475{
5476 struct bnx2x *bp = params->bp;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005477 u32 val, cmd;
5478 u32 fw_resp, fw_cmd_param;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005479 char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
5480 char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005481 phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005482 val = REG_RD(bp, params->shmem_base +
5483 offsetof(struct shmem_region, dev_info.
5484 port_feature_config[params->port].config));
5485 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
5486 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
5487 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
5488 return 0;
5489 }
5490
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005491 if (params->feature_config_flags &
5492 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
5493 /* Use specific phy request */
5494 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
5495 } else if (params->feature_config_flags &
5496 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
5497 /* Use first phy request only in case of non-dual media*/
5498 if (DUAL_MEDIA(params)) {
5499 DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
5500 "verification\n");
5501 return -EINVAL;
5502 }
5503 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
5504 } else {
5505 /* No support in OPT MDL detection */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005506 DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005507 "verification\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005508 return -EINVAL;
5509 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005510
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005511 fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
5512 fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005513 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
5514 DP(NETIF_MSG_LINK, "Approved module\n");
5515 return 0;
5516 }
5517
5518 /* format the warning message */
5519 if (bnx2x_read_sfp_module_eeprom(phy,
5520 params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005521 SFP_EEPROM_VENDOR_NAME_ADDR,
5522 SFP_EEPROM_VENDOR_NAME_SIZE,
5523 (u8 *)vendor_name))
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005524 vendor_name[0] = '\0';
5525 else
5526 vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
5527 if (bnx2x_read_sfp_module_eeprom(phy,
5528 params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005529 SFP_EEPROM_PART_NO_ADDR,
5530 SFP_EEPROM_PART_NO_SIZE,
5531 (u8 *)vendor_pn))
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005532 vendor_pn[0] = '\0';
5533 else
5534 vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
5535
Yaniv Rosner6d870c32011-01-31 04:22:20 +00005536 netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
5537 " Port %d from %s part number %s\n",
5538 params->port, vendor_name, vendor_pn);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005539 phy->flags |= FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005540 return -EINVAL;
5541}
5542
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005543static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
5544 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005545
5546{
5547 u8 val;
5548 struct bnx2x *bp = params->bp;
5549 u16 timeout;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005550 /*
5551 * Initialization time after hot-plug may take up to 300ms for
5552 * some phys type ( e.g. JDSU )
5553 */
5554
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005555 for (timeout = 0; timeout < 60; timeout++) {
5556 if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
5557 == 0) {
5558 DP(NETIF_MSG_LINK, "SFP+ module initialization "
5559 "took %d ms\n", timeout * 5);
5560 return 0;
5561 }
5562 msleep(5);
5563 }
5564 return -EINVAL;
5565}
5566
5567static void bnx2x_8727_power_module(struct bnx2x *bp,
5568 struct bnx2x_phy *phy,
5569 u8 is_power_up) {
5570 /* Make sure GPIOs are not using for LED mode */
5571 u16 val;
5572 /*
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005573 * In the GPIO register, bit 4 is use to determine if the GPIOs are
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005574 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
5575 * output
5576 * Bits 0-1 determine the gpios value for OUTPUT in case bit 4 val is 0
5577 * Bits 8-9 determine the gpios value for INPUT in case bit 4 val is 1
5578 * where the 1st bit is the over-current(only input), and 2nd bit is
5579 * for power( only output )
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005580 *
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005581 * In case of NOC feature is disabled and power is up, set GPIO control
5582 * as input to enable listening of over-current indication
5583 */
5584 if (phy->flags & FLAGS_NOC)
5585 return;
Yaniv Rosner27d02432011-05-31 21:27:48 +00005586 if (is_power_up)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005587 val = (1<<4);
5588 else
5589 /*
5590 * Set GPIO control to OUTPUT, and set the power bit
5591 * to according to the is_power_up
5592 */
Yaniv Rosner27d02432011-05-31 21:27:48 +00005593 val = (1<<1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005594
5595 bnx2x_cl45_write(bp, phy,
5596 MDIO_PMA_DEVAD,
5597 MDIO_PMA_REG_8727_GPIO_CTRL,
5598 val);
5599}
5600
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005601static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
5602 struct bnx2x_phy *phy,
5603 u16 edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005604{
5605 u16 cur_limiting_mode;
5606
5607 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005608 MDIO_PMA_DEVAD,
5609 MDIO_PMA_REG_ROM_VER2,
5610 &cur_limiting_mode);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005611 DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
5612 cur_limiting_mode);
5613
5614 if (edc_mode == EDC_MODE_LIMITING) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005615 DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005616 bnx2x_cl45_write(bp, phy,
5617 MDIO_PMA_DEVAD,
5618 MDIO_PMA_REG_ROM_VER2,
5619 EDC_MODE_LIMITING);
5620 } else { /* LRM mode ( default )*/
5621
5622 DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
5623
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005624 /*
5625 * Changing to LRM mode takes quite few seconds. So do it only
5626 * if current mode is limiting (default is LRM)
5627 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005628 if (cur_limiting_mode != EDC_MODE_LIMITING)
5629 return 0;
5630
5631 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005632 MDIO_PMA_DEVAD,
5633 MDIO_PMA_REG_LRM_MODE,
5634 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005635 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005636 MDIO_PMA_DEVAD,
5637 MDIO_PMA_REG_ROM_VER2,
5638 0x128);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005639 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005640 MDIO_PMA_DEVAD,
5641 MDIO_PMA_REG_MISC_CTRL0,
5642 0x4008);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005643 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005644 MDIO_PMA_DEVAD,
5645 MDIO_PMA_REG_LRM_MODE,
5646 0xaaaa);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005647 }
5648 return 0;
5649}
5650
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005651static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
5652 struct bnx2x_phy *phy,
5653 u16 edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005654{
5655 u16 phy_identifier;
5656 u16 rom_ver2_val;
5657 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005658 MDIO_PMA_DEVAD,
5659 MDIO_PMA_REG_PHY_IDENTIFIER,
5660 &phy_identifier);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005661
5662 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005663 MDIO_PMA_DEVAD,
5664 MDIO_PMA_REG_PHY_IDENTIFIER,
5665 (phy_identifier & ~(1<<9)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005666
5667 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005668 MDIO_PMA_DEVAD,
5669 MDIO_PMA_REG_ROM_VER2,
5670 &rom_ver2_val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005671 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
5672 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005673 MDIO_PMA_DEVAD,
5674 MDIO_PMA_REG_ROM_VER2,
5675 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005676
5677 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005678 MDIO_PMA_DEVAD,
5679 MDIO_PMA_REG_PHY_IDENTIFIER,
5680 (phy_identifier | (1<<9)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005681
5682 return 0;
5683}
5684
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005685static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
5686 struct link_params *params,
5687 u32 action)
5688{
5689 struct bnx2x *bp = params->bp;
5690
5691 switch (action) {
5692 case DISABLE_TX:
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005693 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005694 break;
5695 case ENABLE_TX:
5696 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005697 bnx2x_sfp_set_transmitter(params, phy, 1);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005698 break;
5699 default:
5700 DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
5701 action);
5702 return;
5703 }
5704}
5705
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005706static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
5707 u8 gpio_mode)
5708{
5709 struct bnx2x *bp = params->bp;
5710
5711 u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
5712 offsetof(struct shmem_region,
5713 dev_info.port_hw_config[params->port].sfp_ctrl)) &
5714 PORT_HW_CFG_FAULT_MODULE_LED_MASK;
5715 switch (fault_led_gpio) {
5716 case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
5717 return;
5718 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
5719 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
5720 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
5721 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
5722 {
5723 u8 gpio_port = bnx2x_get_gpio_port(params);
5724 u16 gpio_pin = fault_led_gpio -
5725 PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
5726 DP(NETIF_MSG_LINK, "Set fault module-detected led "
5727 "pin %x port %x mode %x\n",
5728 gpio_pin, gpio_port, gpio_mode);
5729 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
5730 }
5731 break;
5732 default:
5733 DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
5734 fault_led_gpio);
5735 }
5736}
5737
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00005738static void bnx2x_power_sfp_module(struct link_params *params,
5739 struct bnx2x_phy *phy,
5740 u8 power)
5741{
5742 struct bnx2x *bp = params->bp;
5743 DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
5744
5745 switch (phy->type) {
5746 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
5747 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
5748 bnx2x_8727_power_module(params->bp, phy, power);
5749 break;
5750 default:
5751 break;
5752 }
5753}
5754
5755static void bnx2x_set_limiting_mode(struct link_params *params,
5756 struct bnx2x_phy *phy,
5757 u16 edc_mode)
5758{
5759 switch (phy->type) {
5760 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
5761 bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
5762 break;
5763 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
5764 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
5765 bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
5766 break;
5767 }
5768}
5769
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005770int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
5771 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005772{
5773 struct bnx2x *bp = params->bp;
5774 u16 edc_mode;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005775 int rc = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005776
5777 u32 val = REG_RD(bp, params->shmem_base +
5778 offsetof(struct shmem_region, dev_info.
5779 port_feature_config[params->port].config));
5780
5781 DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
5782 params->port);
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00005783 /* Power up module */
5784 bnx2x_power_sfp_module(params, phy, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005785 if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
5786 DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
5787 return -EINVAL;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005788 } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005789 /* check SFP+ module compatibility */
5790 DP(NETIF_MSG_LINK, "Module verification failed!!\n");
5791 rc = -EINVAL;
5792 /* Turn on fault module-detected led */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005793 bnx2x_set_sfp_module_fault_led(params,
5794 MISC_REGISTERS_GPIO_HIGH);
5795
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00005796 /* Check if need to power down the SFP+ module */
5797 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
5798 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005799 DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00005800 bnx2x_power_sfp_module(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005801 return rc;
5802 }
5803 } else {
5804 /* Turn off fault module-detected led */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005805 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005806 }
5807
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005808 /*
5809 * Check and set limiting mode / LRM mode on 8726. On 8727 it
5810 * is done automatically
5811 */
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00005812 bnx2x_set_limiting_mode(params, phy, edc_mode);
5813
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005814 /*
5815 * Enable transmit for this module if the module is approved, or
5816 * if unapproved modules should also enable the Tx laser
5817 */
5818 if (rc == 0 ||
5819 (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
5820 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005821 bnx2x_sfp_set_transmitter(params, phy, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005822 else
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005823 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005824
5825 return rc;
5826}
5827
5828void bnx2x_handle_module_detect_int(struct link_params *params)
5829{
5830 struct bnx2x *bp = params->bp;
5831 struct bnx2x_phy *phy = &params->phy[EXT_PHY1];
5832 u32 gpio_val;
5833 u8 port = params->port;
5834
5835 /* Set valid module led off */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005836 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005837
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005838 /* Get current gpio val reflecting module plugged in / out*/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005839 gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port);
5840
5841 /* Call the handling function in case module is detected */
5842 if (gpio_val == 0) {
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00005843 bnx2x_power_sfp_module(params, phy, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005844 bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
5845 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
5846 port);
5847
5848 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
5849 bnx2x_sfp_module_detection(phy, params);
5850 else
5851 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
5852 } else {
5853 u32 val = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005854 offsetof(struct shmem_region, dev_info.
5855 port_feature_config[params->port].
5856 config));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005857
5858 bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
5859 MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
5860 port);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005861 /*
5862 * Module was plugged out.
5863 * Disable transmit for this module
5864 */
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00005865 phy->media_type = ETH_PHY_NOT_PRESENT;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005866 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
5867 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005868 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005869 }
5870}
5871
5872/******************************************************************/
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00005873/* Used by 8706 and 8727 */
5874/******************************************************************/
5875static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
5876 struct bnx2x_phy *phy,
5877 u16 alarm_status_offset,
5878 u16 alarm_ctrl_offset)
5879{
5880 u16 alarm_status, val;
5881 bnx2x_cl45_read(bp, phy,
5882 MDIO_PMA_DEVAD, alarm_status_offset,
5883 &alarm_status);
5884 bnx2x_cl45_read(bp, phy,
5885 MDIO_PMA_DEVAD, alarm_status_offset,
5886 &alarm_status);
5887 /* Mask or enable the fault event. */
5888 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
5889 if (alarm_status & (1<<0))
5890 val &= ~(1<<0);
5891 else
5892 val |= (1<<0);
5893 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
5894}
5895/******************************************************************/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005896/* common BCM8706/BCM8726 PHY SECTION */
5897/******************************************************************/
5898static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
5899 struct link_params *params,
5900 struct link_vars *vars)
5901{
5902 u8 link_up = 0;
5903 u16 val1, val2, rx_sd, pcs_status;
5904 struct bnx2x *bp = params->bp;
5905 DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
5906 /* Clear RX Alarm*/
5907 bnx2x_cl45_read(bp, phy,
5908 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00005909
5910 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_REG_TX_ALARM,
5911 MDIO_PMA_REG_TX_ALARM_CTRL);
5912
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005913 /* clear LASI indication*/
5914 bnx2x_cl45_read(bp, phy,
5915 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
5916 bnx2x_cl45_read(bp, phy,
5917 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
5918 DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
5919
5920 bnx2x_cl45_read(bp, phy,
5921 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
5922 bnx2x_cl45_read(bp, phy,
5923 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
5924 bnx2x_cl45_read(bp, phy,
5925 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
5926 bnx2x_cl45_read(bp, phy,
5927 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
5928
5929 DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
5930 " link_status 0x%x\n", rx_sd, pcs_status, val2);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005931 /*
5932 * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
5933 * are set, or if the autoneg bit 1 is set
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005934 */
5935 link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
5936 if (link_up) {
5937 if (val2 & (1<<1))
5938 vars->line_speed = SPEED_1000;
5939 else
5940 vars->line_speed = SPEED_10000;
5941 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00005942 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005943 }
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00005944
5945 /* Capture 10G link fault. Read twice to clear stale value. */
5946 if (vars->line_speed == SPEED_10000) {
5947 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
5948 MDIO_PMA_REG_TX_ALARM, &val1);
5949 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
5950 MDIO_PMA_REG_TX_ALARM, &val1);
5951 if (val1 & (1<<0))
5952 vars->fault_detected = 1;
5953 }
5954
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005955 return link_up;
5956}
5957
5958/******************************************************************/
5959/* BCM8706 PHY SECTION */
5960/******************************************************************/
5961static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
5962 struct link_params *params,
5963 struct link_vars *vars)
5964{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005965 u32 tx_en_mode;
5966 u16 cnt, val, tmp1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005967 struct bnx2x *bp = params->bp;
5968 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005969 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005970 /* HW reset */
5971 bnx2x_ext_phy_hw_reset(bp, params->port);
5972 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00005973 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005974
5975 /* Wait until fw is loaded */
5976 for (cnt = 0; cnt < 100; cnt++) {
5977 bnx2x_cl45_read(bp, phy,
5978 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
5979 if (val)
5980 break;
5981 msleep(10);
5982 }
5983 DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
5984 if ((params->feature_config_flags &
5985 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
5986 u8 i;
5987 u16 reg;
5988 for (i = 0; i < 4; i++) {
5989 reg = MDIO_XS_8706_REG_BANK_RX0 +
5990 i*(MDIO_XS_8706_REG_BANK_RX1 -
5991 MDIO_XS_8706_REG_BANK_RX0);
5992 bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
5993 /* Clear first 3 bits of the control */
5994 val &= ~0x7;
5995 /* Set control bits according to configuration */
5996 val |= (phy->rx_preemphasis[i] & 0x7);
5997 DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
5998 " reg 0x%x <-- val 0x%x\n", reg, val);
5999 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
6000 }
6001 }
6002 /* Force speed */
6003 if (phy->req_line_speed == SPEED_10000) {
6004 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
6005
6006 bnx2x_cl45_write(bp, phy,
6007 MDIO_PMA_DEVAD,
6008 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
6009 bnx2x_cl45_write(bp, phy,
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00006010 MDIO_PMA_DEVAD, MDIO_PMA_REG_TX_ALARM_CTRL,
6011 0);
6012 /* Arm LASI for link and Tx fault. */
6013 bnx2x_cl45_write(bp, phy,
6014 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 3);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006015 } else {
Lucas De Marchi25985ed2011-03-30 22:57:33 -03006016 /* Force 1Gbps using autoneg with 1G advertisement */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006017
6018 /* Allow CL37 through CL73 */
6019 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
6020 bnx2x_cl45_write(bp, phy,
6021 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
6022
Lucas De Marchi25985ed2011-03-30 22:57:33 -03006023 /* Enable Full-Duplex advertisement on CL37 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006024 bnx2x_cl45_write(bp, phy,
6025 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
6026 /* Enable CL37 AN */
6027 bnx2x_cl45_write(bp, phy,
6028 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
6029 /* 1G support */
6030 bnx2x_cl45_write(bp, phy,
6031 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
6032
6033 /* Enable clause 73 AN */
6034 bnx2x_cl45_write(bp, phy,
6035 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
6036 bnx2x_cl45_write(bp, phy,
6037 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
6038 0x0400);
6039 bnx2x_cl45_write(bp, phy,
6040 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
6041 0x0004);
6042 }
6043 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00006044
6045 /*
6046 * If TX Laser is controlled by GPIO_0, do not let PHY go into low
6047 * power mode, if TX Laser is disabled
6048 */
6049
6050 tx_en_mode = REG_RD(bp, params->shmem_base +
6051 offsetof(struct shmem_region,
6052 dev_info.port_hw_config[params->port].sfp_ctrl))
6053 & PORT_HW_CFG_TX_LASER_MASK;
6054
6055 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
6056 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
6057 bnx2x_cl45_read(bp, phy,
6058 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
6059 tmp1 |= 0x1;
6060 bnx2x_cl45_write(bp, phy,
6061 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
6062 }
6063
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006064 return 0;
6065}
6066
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006067static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
6068 struct link_params *params,
6069 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006070{
6071 return bnx2x_8706_8726_read_status(phy, params, vars);
6072}
6073
6074/******************************************************************/
6075/* BCM8726 PHY SECTION */
6076/******************************************************************/
6077static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
6078 struct link_params *params)
6079{
6080 struct bnx2x *bp = params->bp;
6081 DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
6082 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
6083}
6084
6085static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
6086 struct link_params *params)
6087{
6088 struct bnx2x *bp = params->bp;
6089 /* Need to wait 100ms after reset */
6090 msleep(100);
6091
6092 /* Micro controller re-boot */
6093 bnx2x_cl45_write(bp, phy,
6094 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
6095
6096 /* Set soft reset */
6097 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006098 MDIO_PMA_DEVAD,
6099 MDIO_PMA_REG_GEN_CTRL,
6100 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006101
6102 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006103 MDIO_PMA_DEVAD,
6104 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006105
6106 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006107 MDIO_PMA_DEVAD,
6108 MDIO_PMA_REG_GEN_CTRL,
6109 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006110
6111 /* wait for 150ms for microcode load */
6112 msleep(150);
6113
6114 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
6115 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006116 MDIO_PMA_DEVAD,
6117 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006118
6119 msleep(200);
6120 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
6121}
6122
6123static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
6124 struct link_params *params,
6125 struct link_vars *vars)
6126{
6127 struct bnx2x *bp = params->bp;
6128 u16 val1;
6129 u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
6130 if (link_up) {
6131 bnx2x_cl45_read(bp, phy,
6132 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
6133 &val1);
6134 if (val1 & (1<<15)) {
6135 DP(NETIF_MSG_LINK, "Tx is disabled\n");
6136 link_up = 0;
6137 vars->line_speed = 0;
6138 }
6139 }
6140 return link_up;
6141}
6142
6143
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006144static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
6145 struct link_params *params,
6146 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006147{
6148 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006149 DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006150
6151 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00006152 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006153
6154 bnx2x_8726_external_rom_boot(phy, params);
6155
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006156 /*
6157 * Need to call module detected on initialization since the module
6158 * detection triggered by actual module insertion might occur before
6159 * driver is loaded, and when driver is loaded, it reset all
6160 * registers, including the transmitter
6161 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006162 bnx2x_sfp_module_detection(phy, params);
6163
6164 if (phy->req_line_speed == SPEED_1000) {
6165 DP(NETIF_MSG_LINK, "Setting 1G force\n");
6166 bnx2x_cl45_write(bp, phy,
6167 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
6168 bnx2x_cl45_write(bp, phy,
6169 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
6170 bnx2x_cl45_write(bp, phy,
6171 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x5);
6172 bnx2x_cl45_write(bp, phy,
6173 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
6174 0x400);
6175 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
6176 (phy->speed_cap_mask &
6177 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
6178 ((phy->speed_cap_mask &
6179 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
6180 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
6181 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
6182 /* Set Flow control */
6183 bnx2x_ext_phy_set_pause(params, phy, vars);
6184 bnx2x_cl45_write(bp, phy,
6185 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
6186 bnx2x_cl45_write(bp, phy,
6187 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
6188 bnx2x_cl45_write(bp, phy,
6189 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
6190 bnx2x_cl45_write(bp, phy,
6191 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
6192 bnx2x_cl45_write(bp, phy,
6193 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006194 /*
6195 * Enable RX-ALARM control to receive interrupt for 1G speed
6196 * change
6197 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006198 bnx2x_cl45_write(bp, phy,
6199 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x4);
6200 bnx2x_cl45_write(bp, phy,
6201 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
6202 0x400);
6203
6204 } else { /* Default 10G. Set only LASI control */
6205 bnx2x_cl45_write(bp, phy,
6206 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
6207 }
6208
6209 /* Set TX PreEmphasis if needed */
6210 if ((params->feature_config_flags &
6211 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
6212 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
6213 "TX_CTRL2 0x%x\n",
6214 phy->tx_preemphasis[0],
6215 phy->tx_preemphasis[1]);
6216 bnx2x_cl45_write(bp, phy,
6217 MDIO_PMA_DEVAD,
6218 MDIO_PMA_REG_8726_TX_CTRL1,
6219 phy->tx_preemphasis[0]);
6220
6221 bnx2x_cl45_write(bp, phy,
6222 MDIO_PMA_DEVAD,
6223 MDIO_PMA_REG_8726_TX_CTRL2,
6224 phy->tx_preemphasis[1]);
6225 }
6226
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006227 return 0;
6228
6229}
6230
6231static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
6232 struct link_params *params)
6233{
6234 struct bnx2x *bp = params->bp;
6235 DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
6236 /* Set serial boot control for external load */
6237 bnx2x_cl45_write(bp, phy,
6238 MDIO_PMA_DEVAD,
6239 MDIO_PMA_REG_GEN_CTRL, 0x0001);
6240}
6241
6242/******************************************************************/
6243/* BCM8727 PHY SECTION */
6244/******************************************************************/
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006245
6246static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
6247 struct link_params *params, u8 mode)
6248{
6249 struct bnx2x *bp = params->bp;
6250 u16 led_mode_bitmask = 0;
6251 u16 gpio_pins_bitmask = 0;
6252 u16 val;
6253 /* Only NOC flavor requires to set the LED specifically */
6254 if (!(phy->flags & FLAGS_NOC))
6255 return;
6256 switch (mode) {
6257 case LED_MODE_FRONT_PANEL_OFF:
6258 case LED_MODE_OFF:
6259 led_mode_bitmask = 0;
6260 gpio_pins_bitmask = 0x03;
6261 break;
6262 case LED_MODE_ON:
6263 led_mode_bitmask = 0;
6264 gpio_pins_bitmask = 0x02;
6265 break;
6266 case LED_MODE_OPER:
6267 led_mode_bitmask = 0x60;
6268 gpio_pins_bitmask = 0x11;
6269 break;
6270 }
6271 bnx2x_cl45_read(bp, phy,
6272 MDIO_PMA_DEVAD,
6273 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
6274 &val);
6275 val &= 0xff8f;
6276 val |= led_mode_bitmask;
6277 bnx2x_cl45_write(bp, phy,
6278 MDIO_PMA_DEVAD,
6279 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
6280 val);
6281 bnx2x_cl45_read(bp, phy,
6282 MDIO_PMA_DEVAD,
6283 MDIO_PMA_REG_8727_GPIO_CTRL,
6284 &val);
6285 val &= 0xffe0;
6286 val |= gpio_pins_bitmask;
6287 bnx2x_cl45_write(bp, phy,
6288 MDIO_PMA_DEVAD,
6289 MDIO_PMA_REG_8727_GPIO_CTRL,
6290 val);
6291}
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006292static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
6293 struct link_params *params) {
6294 u32 swap_val, swap_override;
6295 u8 port;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006296 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006297 * The PHY reset is controlled by GPIO 1. Fake the port number
6298 * to cancel the swap done in set_gpio()
6299 */
6300 struct bnx2x *bp = params->bp;
6301 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
6302 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
6303 port = (swap_val && swap_override) ^ 1;
6304 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006305 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006306}
6307
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006308static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
6309 struct link_params *params,
6310 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006311{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00006312 u32 tx_en_mode;
6313 u16 tmp1, val, mod_abs, tmp2;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006314 u16 rx_alarm_ctrl_val;
6315 u16 lasi_ctrl_val;
6316 struct bnx2x *bp = params->bp;
6317 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
6318
Yaniv Rosner6d870c32011-01-31 04:22:20 +00006319 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006320 rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00006321 /* Should be 0x6 to enable XS on Tx side. */
6322 lasi_ctrl_val = 0x0006;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006323
6324 DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
6325 /* enable LASI */
6326 bnx2x_cl45_write(bp, phy,
6327 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
6328 rx_alarm_ctrl_val);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00006329 bnx2x_cl45_write(bp, phy,
6330 MDIO_PMA_DEVAD, MDIO_PMA_REG_TX_ALARM_CTRL,
6331 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006332 bnx2x_cl45_write(bp, phy,
6333 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, lasi_ctrl_val);
6334
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006335 /*
6336 * Initially configure MOD_ABS to interrupt when module is
6337 * presence( bit 8)
6338 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006339 bnx2x_cl45_read(bp, phy,
6340 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006341 /*
6342 * Set EDC off by setting OPTXLOS signal input to low (bit 9).
6343 * When the EDC is off it locks onto a reference clock and avoids
6344 * becoming 'lost'
6345 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006346 mod_abs &= ~(1<<8);
6347 if (!(phy->flags & FLAGS_NOC))
6348 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006349 bnx2x_cl45_write(bp, phy,
6350 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
6351
6352
6353 /* Make MOD_ABS give interrupt on change */
6354 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
6355 &val);
6356 val |= (1<<12);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006357 if (phy->flags & FLAGS_NOC)
6358 val |= (3<<5);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006359
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006360 /*
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006361 * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
6362 * status which reflect SFP+ module over-current
6363 */
6364 if (!(phy->flags & FLAGS_NOC))
6365 val &= 0xff8f; /* Reset bits 4-6 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006366 bnx2x_cl45_write(bp, phy,
6367 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
6368
6369 bnx2x_8727_power_module(bp, phy, 1);
6370
6371 bnx2x_cl45_read(bp, phy,
6372 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
6373
6374 bnx2x_cl45_read(bp, phy,
6375 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
6376
6377 /* Set option 1G speed */
6378 if (phy->req_line_speed == SPEED_1000) {
6379 DP(NETIF_MSG_LINK, "Setting 1G force\n");
6380 bnx2x_cl45_write(bp, phy,
6381 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
6382 bnx2x_cl45_write(bp, phy,
6383 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
6384 bnx2x_cl45_read(bp, phy,
6385 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
6386 DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006387 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006388 * Power down the XAUI until link is up in case of dual-media
6389 * and 1G
6390 */
6391 if (DUAL_MEDIA(params)) {
6392 bnx2x_cl45_read(bp, phy,
6393 MDIO_PMA_DEVAD,
6394 MDIO_PMA_REG_8727_PCS_GP, &val);
6395 val |= (3<<10);
6396 bnx2x_cl45_write(bp, phy,
6397 MDIO_PMA_DEVAD,
6398 MDIO_PMA_REG_8727_PCS_GP, val);
6399 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006400 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
6401 ((phy->speed_cap_mask &
6402 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
6403 ((phy->speed_cap_mask &
6404 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
6405 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
6406
6407 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
6408 bnx2x_cl45_write(bp, phy,
6409 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
6410 bnx2x_cl45_write(bp, phy,
6411 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
6412 } else {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006413 /*
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006414 * Since the 8727 has only single reset pin, need to set the 10G
6415 * registers although it is default
6416 */
6417 bnx2x_cl45_write(bp, phy,
6418 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
6419 0x0020);
6420 bnx2x_cl45_write(bp, phy,
6421 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
6422 bnx2x_cl45_write(bp, phy,
6423 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
6424 bnx2x_cl45_write(bp, phy,
6425 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
6426 0x0008);
6427 }
6428
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006429 /*
6430 * Set 2-wire transfer rate of SFP+ module EEPROM
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006431 * to 100Khz since some DACs(direct attached cables) do
6432 * not work at 400Khz.
6433 */
6434 bnx2x_cl45_write(bp, phy,
6435 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
6436 0xa001);
6437
6438 /* Set TX PreEmphasis if needed */
6439 if ((params->feature_config_flags &
6440 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
6441 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
6442 phy->tx_preemphasis[0],
6443 phy->tx_preemphasis[1]);
6444 bnx2x_cl45_write(bp, phy,
6445 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
6446 phy->tx_preemphasis[0]);
6447
6448 bnx2x_cl45_write(bp, phy,
6449 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
6450 phy->tx_preemphasis[1]);
6451 }
6452
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00006453 /*
6454 * If TX Laser is controlled by GPIO_0, do not let PHY go into low
6455 * power mode, if TX Laser is disabled
6456 */
6457 tx_en_mode = REG_RD(bp, params->shmem_base +
6458 offsetof(struct shmem_region,
6459 dev_info.port_hw_config[params->port].sfp_ctrl))
6460 & PORT_HW_CFG_TX_LASER_MASK;
6461
6462 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
6463
6464 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
6465 bnx2x_cl45_read(bp, phy,
6466 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
6467 tmp2 |= 0x1000;
6468 tmp2 &= 0xFFEF;
6469 bnx2x_cl45_write(bp, phy,
6470 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
6471 }
6472
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006473 return 0;
6474}
6475
6476static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
6477 struct link_params *params)
6478{
6479 struct bnx2x *bp = params->bp;
6480 u16 mod_abs, rx_alarm_status;
6481 u32 val = REG_RD(bp, params->shmem_base +
6482 offsetof(struct shmem_region, dev_info.
6483 port_feature_config[params->port].
6484 config));
6485 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006486 MDIO_PMA_DEVAD,
6487 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006488 if (mod_abs & (1<<8)) {
6489
6490 /* Module is absent */
6491 DP(NETIF_MSG_LINK, "MOD_ABS indication "
6492 "show module is absent\n");
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00006493 phy->media_type = ETH_PHY_NOT_PRESENT;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006494 /*
6495 * 1. Set mod_abs to detect next module
6496 * presence event
6497 * 2. Set EDC off by setting OPTXLOS signal input to low
6498 * (bit 9).
6499 * When the EDC is off it locks onto a reference clock and
6500 * avoids becoming 'lost'.
6501 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006502 mod_abs &= ~(1<<8);
6503 if (!(phy->flags & FLAGS_NOC))
6504 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006505 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006506 MDIO_PMA_DEVAD,
6507 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006508
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006509 /*
6510 * Clear RX alarm since it stays up as long as
6511 * the mod_abs wasn't changed
6512 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006513 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006514 MDIO_PMA_DEVAD,
6515 MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006516
6517 } else {
6518 /* Module is present */
6519 DP(NETIF_MSG_LINK, "MOD_ABS indication "
6520 "show module is present\n");
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006521 /*
6522 * First disable transmitter, and if the module is ok, the
6523 * module_detection will enable it
6524 * 1. Set mod_abs to detect next module absent event ( bit 8)
6525 * 2. Restore the default polarity of the OPRXLOS signal and
6526 * this signal will then correctly indicate the presence or
6527 * absence of the Rx signal. (bit 9)
6528 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006529 mod_abs |= (1<<8);
6530 if (!(phy->flags & FLAGS_NOC))
6531 mod_abs |= (1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006532 bnx2x_cl45_write(bp, phy,
6533 MDIO_PMA_DEVAD,
6534 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
6535
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006536 /*
6537 * Clear RX alarm since it stays up as long as the mod_abs
6538 * wasn't changed. This is need to be done before calling the
6539 * module detection, otherwise it will clear* the link update
6540 * alarm
6541 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006542 bnx2x_cl45_read(bp, phy,
6543 MDIO_PMA_DEVAD,
6544 MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
6545
6546
6547 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
6548 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00006549 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006550
6551 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
6552 bnx2x_sfp_module_detection(phy, params);
6553 else
6554 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
6555 }
6556
6557 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006558 rx_alarm_status);
6559 /* No need to check link status in case of module plugged in/out */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006560}
6561
6562static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
6563 struct link_params *params,
6564 struct link_vars *vars)
6565
6566{
6567 struct bnx2x *bp = params->bp;
Yaniv Rosner27d02432011-05-31 21:27:48 +00006568 u8 link_up = 0, oc_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006569 u16 link_status = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006570 u16 rx_alarm_status, lasi_ctrl, val1;
6571
6572 /* If PHY is not initialized, do not check link status */
6573 bnx2x_cl45_read(bp, phy,
6574 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
6575 &lasi_ctrl);
6576 if (!lasi_ctrl)
6577 return 0;
6578
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006579 /* Check the LASI on Rx */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006580 bnx2x_cl45_read(bp, phy,
6581 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM,
6582 &rx_alarm_status);
6583 vars->line_speed = 0;
6584 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
6585
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00006586 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_REG_TX_ALARM,
6587 MDIO_PMA_REG_TX_ALARM_CTRL);
6588
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006589 bnx2x_cl45_read(bp, phy,
6590 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
6591
6592 DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
6593
6594 /* Clear MSG-OUT */
6595 bnx2x_cl45_read(bp, phy,
6596 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
6597
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006598 /*
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006599 * If a module is present and there is need to check
6600 * for over current
6601 */
6602 if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
6603 /* Check over-current using 8727 GPIO0 input*/
6604 bnx2x_cl45_read(bp, phy,
6605 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
6606 &val1);
6607
6608 if ((val1 & (1<<8)) == 0) {
Yaniv Rosner27d02432011-05-31 21:27:48 +00006609 if (!CHIP_IS_E1x(bp))
6610 oc_port = BP_PATH(bp) + (params->port << 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006611 DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
Yaniv Rosner27d02432011-05-31 21:27:48 +00006612 " on port %d\n", oc_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006613 netdev_err(bp->dev, "Error: Power fault on Port %d has"
6614 " been detected and the power to "
6615 "that SFP+ module has been removed"
6616 " to prevent failure of the card."
6617 " Please remove the SFP+ module and"
6618 " restart the system to clear this"
6619 " error.\n",
Yaniv Rosner27d02432011-05-31 21:27:48 +00006620 oc_port);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006621 /* Disable all RX_ALARMs except for mod_abs */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006622 bnx2x_cl45_write(bp, phy,
6623 MDIO_PMA_DEVAD,
6624 MDIO_PMA_REG_RX_ALARM_CTRL, (1<<5));
6625
6626 bnx2x_cl45_read(bp, phy,
6627 MDIO_PMA_DEVAD,
6628 MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
6629 /* Wait for module_absent_event */
6630 val1 |= (1<<8);
6631 bnx2x_cl45_write(bp, phy,
6632 MDIO_PMA_DEVAD,
6633 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
6634 /* Clear RX alarm */
6635 bnx2x_cl45_read(bp, phy,
6636 MDIO_PMA_DEVAD,
6637 MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
6638 return 0;
6639 }
6640 } /* Over current check */
6641
6642 /* When module absent bit is set, check module */
6643 if (rx_alarm_status & (1<<5)) {
6644 bnx2x_8727_handle_mod_abs(phy, params);
6645 /* Enable all mod_abs and link detection bits */
6646 bnx2x_cl45_write(bp, phy,
6647 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
6648 ((1<<5) | (1<<2)));
6649 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006650 DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
6651 bnx2x_8727_specific_func(phy, params, ENABLE_TX);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006652 /* If transmitter is disabled, ignore false link up indication */
6653 bnx2x_cl45_read(bp, phy,
6654 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
6655 if (val1 & (1<<15)) {
6656 DP(NETIF_MSG_LINK, "Tx is disabled\n");
6657 return 0;
6658 }
6659
6660 bnx2x_cl45_read(bp, phy,
6661 MDIO_PMA_DEVAD,
6662 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
6663
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006664 /*
6665 * Bits 0..2 --> speed detected,
6666 * Bits 13..15--> link is down
6667 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006668 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
6669 link_up = 1;
6670 vars->line_speed = SPEED_10000;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006671 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
6672 params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006673 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
6674 link_up = 1;
6675 vars->line_speed = SPEED_1000;
6676 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
6677 params->port);
6678 } else {
6679 link_up = 0;
6680 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
6681 params->port);
6682 }
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00006683
6684 /* Capture 10G link fault. */
6685 if (vars->line_speed == SPEED_10000) {
6686 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
6687 MDIO_PMA_REG_TX_ALARM, &val1);
6688
6689 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
6690 MDIO_PMA_REG_TX_ALARM, &val1);
6691
6692 if (val1 & (1<<0)) {
6693 vars->fault_detected = 1;
6694 }
6695 }
6696
Yaniv Rosner791f18c2011-01-18 04:33:42 +00006697 if (link_up) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006698 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00006699 vars->duplex = DUPLEX_FULL;
6700 DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
6701 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006702
6703 if ((DUAL_MEDIA(params)) &&
6704 (phy->req_line_speed == SPEED_1000)) {
6705 bnx2x_cl45_read(bp, phy,
6706 MDIO_PMA_DEVAD,
6707 MDIO_PMA_REG_8727_PCS_GP, &val1);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006708 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006709 * In case of dual-media board and 1G, power up the XAUI side,
6710 * otherwise power it down. For 10G it is done automatically
6711 */
6712 if (link_up)
6713 val1 &= ~(3<<10);
6714 else
6715 val1 |= (3<<10);
6716 bnx2x_cl45_write(bp, phy,
6717 MDIO_PMA_DEVAD,
6718 MDIO_PMA_REG_8727_PCS_GP, val1);
6719 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006720 return link_up;
6721}
6722
6723static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
6724 struct link_params *params)
6725{
6726 struct bnx2x *bp = params->bp;
6727 /* Disable Transmitter */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00006728 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006729 /* Clear LASI */
6730 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0);
6731
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006732}
6733
6734/******************************************************************/
6735/* BCM8481/BCM84823/BCM84833 PHY SECTION */
6736/******************************************************************/
6737static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
6738 struct link_params *params)
6739{
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006740 u16 val, fw_ver1, fw_ver2, cnt;
6741 u8 port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006742 struct bnx2x *bp = params->bp;
6743
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006744 port = params->port;
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00006745
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006746 /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
6747 /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006748 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
6749 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
6750 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
6751 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
6752 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006753
6754 for (cnt = 0; cnt < 100; cnt++) {
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006755 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006756 if (val & 1)
6757 break;
6758 udelay(5);
6759 }
6760 if (cnt == 100) {
6761 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006762 bnx2x_save_spirom_version(bp, port, 0,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006763 phy->ver_addr);
6764 return;
6765 }
6766
6767
6768 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006769 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
6770 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
6771 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006772 for (cnt = 0; cnt < 100; cnt++) {
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006773 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006774 if (val & 1)
6775 break;
6776 udelay(5);
6777 }
6778 if (cnt == 100) {
6779 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006780 bnx2x_save_spirom_version(bp, port, 0,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006781 phy->ver_addr);
6782 return;
6783 }
6784
6785 /* lower 16 bits of the register SPI_FW_STATUS */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006786 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006787 /* upper 16 bits of register SPI_FW_STATUS */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006788 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006789
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006790 bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006791 phy->ver_addr);
6792}
6793
6794static void bnx2x_848xx_set_led(struct bnx2x *bp,
6795 struct bnx2x_phy *phy)
6796{
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006797 u16 val;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006798
6799 /* PHYC_CTL_LED_CTL */
6800 bnx2x_cl45_read(bp, phy,
6801 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006802 MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006803 val &= 0xFE00;
6804 val |= 0x0092;
6805
6806 bnx2x_cl45_write(bp, phy,
6807 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006808 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006809
6810 bnx2x_cl45_write(bp, phy,
6811 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006812 MDIO_PMA_REG_8481_LED1_MASK,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006813 0x80);
6814
6815 bnx2x_cl45_write(bp, phy,
6816 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006817 MDIO_PMA_REG_8481_LED2_MASK,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006818 0x18);
6819
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00006820 /* Select activity source by Tx and Rx, as suggested by PHY AE */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006821 bnx2x_cl45_write(bp, phy,
6822 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006823 MDIO_PMA_REG_8481_LED3_MASK,
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00006824 0x0006);
6825
6826 /* Select the closest activity blink rate to that in 10/100/1000 */
6827 bnx2x_cl45_write(bp, phy,
6828 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006829 MDIO_PMA_REG_8481_LED3_BLINK,
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00006830 0);
6831
6832 bnx2x_cl45_read(bp, phy,
6833 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006834 MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00006835 val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
6836
6837 bnx2x_cl45_write(bp, phy,
6838 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006839 MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006840
6841 /* 'Interrupt Mask' */
6842 bnx2x_cl45_write(bp, phy,
6843 MDIO_AN_DEVAD,
6844 0xFFFB, 0xFFFD);
6845}
6846
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006847static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
6848 struct link_params *params,
6849 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006850{
6851 struct bnx2x *bp = params->bp;
6852 u16 autoneg_val, an_1000_val, an_10_100_val;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006853 u16 tmp_req_line_speed;
6854
6855 tmp_req_line_speed = phy->req_line_speed;
6856 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
6857 if (phy->req_line_speed == SPEED_10000)
6858 phy->req_line_speed = SPEED_AUTO_NEG;
6859
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006860 /*
6861 * This phy uses the NIG latch mechanism since link indication
6862 * arrives through its LED4 and not via its LASI signal, so we
6863 * get steady signal instead of clear on read
6864 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006865 bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
6866 1 << NIG_LATCH_BC_ENABLE_MI_INT);
6867
6868 bnx2x_cl45_write(bp, phy,
6869 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
6870
6871 bnx2x_848xx_set_led(bp, phy);
6872
6873 /* set 1000 speed advertisement */
6874 bnx2x_cl45_read(bp, phy,
6875 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
6876 &an_1000_val);
6877
6878 bnx2x_ext_phy_set_pause(params, phy, vars);
6879 bnx2x_cl45_read(bp, phy,
6880 MDIO_AN_DEVAD,
6881 MDIO_AN_REG_8481_LEGACY_AN_ADV,
6882 &an_10_100_val);
6883 bnx2x_cl45_read(bp, phy,
6884 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
6885 &autoneg_val);
6886 /* Disable forced speed */
6887 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
6888 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
6889
6890 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
6891 (phy->speed_cap_mask &
6892 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
6893 (phy->req_line_speed == SPEED_1000)) {
6894 an_1000_val |= (1<<8);
6895 autoneg_val |= (1<<9 | 1<<12);
6896 if (phy->req_duplex == DUPLEX_FULL)
6897 an_1000_val |= (1<<9);
6898 DP(NETIF_MSG_LINK, "Advertising 1G\n");
6899 } else
6900 an_1000_val &= ~((1<<8) | (1<<9));
6901
6902 bnx2x_cl45_write(bp, phy,
6903 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
6904 an_1000_val);
6905
6906 /* set 10 speed advertisement */
6907 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
6908 (phy->speed_cap_mask &
6909 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
6910 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
6911 an_10_100_val |= (1<<7);
6912 /* Enable autoneg and restart autoneg for legacy speeds */
6913 autoneg_val |= (1<<9 | 1<<12);
6914
6915 if (phy->req_duplex == DUPLEX_FULL)
6916 an_10_100_val |= (1<<8);
6917 DP(NETIF_MSG_LINK, "Advertising 100M\n");
6918 }
6919 /* set 10 speed advertisement */
6920 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
6921 (phy->speed_cap_mask &
6922 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
6923 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
6924 an_10_100_val |= (1<<5);
6925 autoneg_val |= (1<<9 | 1<<12);
6926 if (phy->req_duplex == DUPLEX_FULL)
6927 an_10_100_val |= (1<<6);
6928 DP(NETIF_MSG_LINK, "Advertising 10M\n");
6929 }
6930
6931 /* Only 10/100 are allowed to work in FORCE mode */
6932 if (phy->req_line_speed == SPEED_100) {
6933 autoneg_val |= (1<<13);
6934 /* Enabled AUTO-MDIX when autoneg is disabled */
6935 bnx2x_cl45_write(bp, phy,
6936 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
6937 (1<<15 | 1<<9 | 7<<0));
6938 DP(NETIF_MSG_LINK, "Setting 100M force\n");
6939 }
6940 if (phy->req_line_speed == SPEED_10) {
6941 /* Enabled AUTO-MDIX when autoneg is disabled */
6942 bnx2x_cl45_write(bp, phy,
6943 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
6944 (1<<15 | 1<<9 | 7<<0));
6945 DP(NETIF_MSG_LINK, "Setting 10M force\n");
6946 }
6947
6948 bnx2x_cl45_write(bp, phy,
6949 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
6950 an_10_100_val);
6951
6952 if (phy->req_duplex == DUPLEX_FULL)
6953 autoneg_val |= (1<<8);
6954
6955 bnx2x_cl45_write(bp, phy,
6956 MDIO_AN_DEVAD,
6957 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
6958
6959 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
6960 (phy->speed_cap_mask &
6961 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
6962 (phy->req_line_speed == SPEED_10000)) {
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006963 DP(NETIF_MSG_LINK, "Advertising 10G\n");
6964 /* Restart autoneg for 10G*/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006965
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006966 bnx2x_cl45_write(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006967 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
6968 0x3200);
6969 } else if (phy->req_line_speed != SPEED_10 &&
6970 phy->req_line_speed != SPEED_100) {
6971 bnx2x_cl45_write(bp, phy,
6972 MDIO_AN_DEVAD,
6973 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
6974 1);
6975 }
6976 /* Save spirom version */
6977 bnx2x_save_848xx_spirom_version(phy, params);
6978
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006979 phy->req_line_speed = tmp_req_line_speed;
6980
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006981 return 0;
6982}
6983
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006984static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
6985 struct link_params *params,
6986 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006987{
6988 struct bnx2x *bp = params->bp;
6989 /* Restore normal power mode*/
6990 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006991 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006992
6993 /* HW reset */
6994 bnx2x_ext_phy_hw_reset(bp, params->port);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00006995 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006996
6997 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
6998 return bnx2x_848xx_cmn_config_init(phy, params, vars);
6999}
7000
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00007001
7002#define PHY84833_HDSHK_WAIT 300
7003static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
7004 struct link_params *params,
7005 struct link_vars *vars)
7006{
7007 u32 idx;
7008 u16 val;
7009 u16 data = 0x01b1;
7010 struct bnx2x *bp = params->bp;
7011 /* Do pair swap */
7012
7013
7014 /* Write CMD_OPEN_OVERRIDE to STATUS reg */
7015 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
7016 MDIO_84833_TOP_CFG_SCRATCH_REG2,
7017 PHY84833_CMD_OPEN_OVERRIDE);
7018 for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
7019 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
7020 MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
7021 if (val == PHY84833_CMD_OPEN_FOR_CMDS)
7022 break;
7023 msleep(1);
7024 }
7025 if (idx >= PHY84833_HDSHK_WAIT) {
7026 DP(NETIF_MSG_LINK, "Pairswap: FW not ready.\n");
7027 return -EINVAL;
7028 }
7029
7030 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
7031 MDIO_84833_TOP_CFG_SCRATCH_REG4,
7032 data);
7033 /* Issue pair swap command */
7034 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
7035 MDIO_84833_TOP_CFG_SCRATCH_REG0,
7036 PHY84833_DIAG_CMD_PAIR_SWAP_CHANGE);
7037 for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
7038 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
7039 MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
7040 if ((val == PHY84833_CMD_COMPLETE_PASS) ||
7041 (val == PHY84833_CMD_COMPLETE_ERROR))
7042 break;
7043 msleep(1);
7044 }
7045 if ((idx >= PHY84833_HDSHK_WAIT) ||
7046 (val == PHY84833_CMD_COMPLETE_ERROR)) {
7047 DP(NETIF_MSG_LINK, "Pairswap: override failed.\n");
7048 return -EINVAL;
7049 }
7050 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
7051 MDIO_84833_TOP_CFG_SCRATCH_REG2,
7052 PHY84833_CMD_CLEAR_COMPLETE);
7053 DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data);
7054 return 0;
7055}
7056
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007057static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
7058 struct link_params *params,
7059 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007060{
7061 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00007062 u8 port, initialize = 1;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00007063 u16 val;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007064 u16 temp;
Yaniv Rosner1bef68e2011-01-31 04:22:46 +00007065 u32 actual_phy_selection, cms_enable;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007066 int rc = 0;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007067
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007068 msleep(1);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00007069
7070 if (!(CHIP_IS_E1(bp)))
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00007071 port = BP_PATH(bp);
7072 else
7073 port = params->port;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00007074
7075 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
7076 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
7077 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
7078 port);
7079 } else {
7080 bnx2x_cl45_write(bp, phy,
7081 MDIO_PMA_DEVAD,
7082 MDIO_PMA_REG_CTRL, 0x8000);
7083 }
7084
Yaniv Rosner6d870c32011-01-31 04:22:20 +00007085 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosner9bffeac2010-11-01 05:32:27 +00007086 /* Wait for GPHY to come out of reset */
7087 msleep(50);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00007088
7089 /* Bring PHY out of super isolate mode */
7090 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
7091 bnx2x_cl45_read(bp, phy,
7092 MDIO_CTL_DEVAD,
7093 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
7094 val &= ~MDIO_84833_SUPER_ISOLATE;
7095 bnx2x_cl45_write(bp, phy,
7096 MDIO_CTL_DEVAD,
7097 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
7098 bnx2x_wait_reset_complete(bp, phy, params);
7099 }
7100
7101 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
7102 bnx2x_84833_pair_swap_cfg(phy, params, vars);
7103
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007104 /*
7105 * BCM84823 requires that XGXS links up first @ 10G for normal behavior
7106 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007107 temp = vars->line_speed;
7108 vars->line_speed = SPEED_10000;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007109 bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
7110 bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007111 vars->line_speed = temp;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007112
7113 /* Set dual-media configuration according to configuration */
7114
7115 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00007116 MDIO_CTL_REG_84823_MEDIA, &val);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007117 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
7118 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
7119 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
7120 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
7121 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
7122 val |= MDIO_CTL_REG_84823_CTRL_MAC_XFI |
7123 MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L;
7124
7125 actual_phy_selection = bnx2x_phy_selection(params);
7126
7127 switch (actual_phy_selection) {
7128 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
Lucas De Marchi25985ed2011-03-30 22:57:33 -03007129 /* Do nothing. Essentially this is like the priority copper */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007130 break;
7131 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
7132 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
7133 break;
7134 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
7135 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
7136 break;
7137 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
7138 /* Do nothing here. The first PHY won't be initialized at all */
7139 break;
7140 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
7141 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
7142 initialize = 0;
7143 break;
7144 }
7145 if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
7146 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
7147
7148 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00007149 MDIO_CTL_REG_84823_MEDIA, val);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007150 DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
7151 params->multi_phy_config, val);
7152
7153 if (initialize)
7154 rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
7155 else
7156 bnx2x_save_848xx_spirom_version(phy, params);
Yaniv Rosner1bef68e2011-01-31 04:22:46 +00007157 cms_enable = REG_RD(bp, params->shmem_base +
7158 offsetof(struct shmem_region,
7159 dev_info.port_hw_config[params->port].default_cfg)) &
7160 PORT_HW_CFG_ENABLE_CMS_MASK;
7161
7162 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
7163 MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
7164 if (cms_enable)
7165 val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
7166 else
7167 val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
7168 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
7169 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
7170
7171
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007172 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007173}
7174
7175static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007176 struct link_params *params,
7177 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007178{
7179 struct bnx2x *bp = params->bp;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00007180 u16 val, val1, val2;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007181 u8 link_up = 0;
7182
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00007183
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007184 /* Check 10G-BaseT link status */
7185 /* Check PMD signal ok */
7186 bnx2x_cl45_read(bp, phy,
7187 MDIO_AN_DEVAD, 0xFFFA, &val1);
7188 bnx2x_cl45_read(bp, phy,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00007189 MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007190 &val2);
7191 DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
7192
7193 /* Check link 10G */
7194 if (val2 & (1<<11)) {
7195 vars->line_speed = SPEED_10000;
Yaniv Rosner791f18c2011-01-18 04:33:42 +00007196 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007197 link_up = 1;
7198 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7199 } else { /* Check Legacy speed link */
7200 u16 legacy_status, legacy_speed;
7201
7202 /* Enable expansion register 0x42 (Operation mode status) */
7203 bnx2x_cl45_write(bp, phy,
7204 MDIO_AN_DEVAD,
7205 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
7206
7207 /* Get legacy speed operation status */
7208 bnx2x_cl45_read(bp, phy,
7209 MDIO_AN_DEVAD,
7210 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
7211 &legacy_status);
7212
7213 DP(NETIF_MSG_LINK, "Legacy speed status"
7214 " = 0x%x\n", legacy_status);
7215 link_up = ((legacy_status & (1<<11)) == (1<<11));
7216 if (link_up) {
7217 legacy_speed = (legacy_status & (3<<9));
7218 if (legacy_speed == (0<<9))
7219 vars->line_speed = SPEED_10;
7220 else if (legacy_speed == (1<<9))
7221 vars->line_speed = SPEED_100;
7222 else if (legacy_speed == (2<<9))
7223 vars->line_speed = SPEED_1000;
7224 else /* Should not happen */
7225 vars->line_speed = 0;
7226
7227 if (legacy_status & (1<<8))
7228 vars->duplex = DUPLEX_FULL;
7229 else
7230 vars->duplex = DUPLEX_HALF;
7231
7232 DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
7233 " is_duplex_full= %d\n", vars->line_speed,
7234 (vars->duplex == DUPLEX_FULL));
7235 /* Check legacy speed AN resolution */
7236 bnx2x_cl45_read(bp, phy,
7237 MDIO_AN_DEVAD,
7238 MDIO_AN_REG_8481_LEGACY_MII_STATUS,
7239 &val);
7240 if (val & (1<<5))
7241 vars->link_status |=
7242 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
7243 bnx2x_cl45_read(bp, phy,
7244 MDIO_AN_DEVAD,
7245 MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
7246 &val);
7247 if ((val & (1<<0)) == 0)
7248 vars->link_status |=
7249 LINK_STATUS_PARALLEL_DETECTION_USED;
7250 }
7251 }
7252 if (link_up) {
7253 DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
7254 vars->line_speed);
7255 bnx2x_ext_phy_resolve_fc(phy, params, vars);
7256 }
7257
7258 return link_up;
7259}
7260
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007261
7262static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007263{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007264 int status = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007265 u32 spirom_ver;
7266 spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
7267 status = bnx2x_format_ver(spirom_ver, str, len);
7268 return status;
7269}
7270
7271static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
7272 struct link_params *params)
7273{
7274 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007275 MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007276 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007277 MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007278}
7279
7280static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
7281 struct link_params *params)
7282{
7283 bnx2x_cl45_write(params->bp, phy,
7284 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
7285 bnx2x_cl45_write(params->bp, phy,
7286 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
7287}
7288
7289static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
7290 struct link_params *params)
7291{
7292 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00007293 u8 port;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00007294
7295 if (!(CHIP_IS_E1(bp)))
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00007296 port = BP_PATH(bp);
7297 else
7298 port = params->port;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00007299
7300 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
7301 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
7302 MISC_REGISTERS_GPIO_OUTPUT_LOW,
7303 port);
7304 } else {
7305 bnx2x_cl45_write(bp, phy,
7306 MDIO_PMA_DEVAD,
7307 MDIO_PMA_REG_CTRL, 0x800);
7308 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007309}
7310
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007311static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
7312 struct link_params *params, u8 mode)
7313{
7314 struct bnx2x *bp = params->bp;
7315 u16 val;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00007316 u8 port;
7317
7318 if (!(CHIP_IS_E1(bp)))
7319 port = BP_PATH(bp);
7320 else
7321 port = params->port;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007322
7323 switch (mode) {
7324 case LED_MODE_OFF:
7325
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00007326 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007327
7328 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
7329 SHARED_HW_CFG_LED_EXTPHY1) {
7330
7331 /* Set LED masks */
7332 bnx2x_cl45_write(bp, phy,
7333 MDIO_PMA_DEVAD,
7334 MDIO_PMA_REG_8481_LED1_MASK,
7335 0x0);
7336
7337 bnx2x_cl45_write(bp, phy,
7338 MDIO_PMA_DEVAD,
7339 MDIO_PMA_REG_8481_LED2_MASK,
7340 0x0);
7341
7342 bnx2x_cl45_write(bp, phy,
7343 MDIO_PMA_DEVAD,
7344 MDIO_PMA_REG_8481_LED3_MASK,
7345 0x0);
7346
7347 bnx2x_cl45_write(bp, phy,
7348 MDIO_PMA_DEVAD,
7349 MDIO_PMA_REG_8481_LED5_MASK,
7350 0x0);
7351
7352 } else {
7353 bnx2x_cl45_write(bp, phy,
7354 MDIO_PMA_DEVAD,
7355 MDIO_PMA_REG_8481_LED1_MASK,
7356 0x0);
7357 }
7358 break;
7359 case LED_MODE_FRONT_PANEL_OFF:
7360
7361 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00007362 port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007363
7364 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
7365 SHARED_HW_CFG_LED_EXTPHY1) {
7366
7367 /* Set LED masks */
7368 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007369 MDIO_PMA_DEVAD,
7370 MDIO_PMA_REG_8481_LED1_MASK,
7371 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007372
7373 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007374 MDIO_PMA_DEVAD,
7375 MDIO_PMA_REG_8481_LED2_MASK,
7376 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007377
7378 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007379 MDIO_PMA_DEVAD,
7380 MDIO_PMA_REG_8481_LED3_MASK,
7381 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007382
7383 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007384 MDIO_PMA_DEVAD,
7385 MDIO_PMA_REG_8481_LED5_MASK,
7386 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007387
7388 } else {
7389 bnx2x_cl45_write(bp, phy,
7390 MDIO_PMA_DEVAD,
7391 MDIO_PMA_REG_8481_LED1_MASK,
7392 0x0);
7393 }
7394 break;
7395 case LED_MODE_ON:
7396
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00007397 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007398
7399 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
7400 SHARED_HW_CFG_LED_EXTPHY1) {
7401 /* Set control reg */
7402 bnx2x_cl45_read(bp, phy,
7403 MDIO_PMA_DEVAD,
7404 MDIO_PMA_REG_8481_LINK_SIGNAL,
7405 &val);
7406 val &= 0x8000;
7407 val |= 0x2492;
7408
7409 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007410 MDIO_PMA_DEVAD,
7411 MDIO_PMA_REG_8481_LINK_SIGNAL,
7412 val);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007413
7414 /* Set LED masks */
7415 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007416 MDIO_PMA_DEVAD,
7417 MDIO_PMA_REG_8481_LED1_MASK,
7418 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007419
7420 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007421 MDIO_PMA_DEVAD,
7422 MDIO_PMA_REG_8481_LED2_MASK,
7423 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007424
7425 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007426 MDIO_PMA_DEVAD,
7427 MDIO_PMA_REG_8481_LED3_MASK,
7428 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007429
7430 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007431 MDIO_PMA_DEVAD,
7432 MDIO_PMA_REG_8481_LED5_MASK,
7433 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007434 } else {
7435 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007436 MDIO_PMA_DEVAD,
7437 MDIO_PMA_REG_8481_LED1_MASK,
7438 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007439 }
7440 break;
7441
7442 case LED_MODE_OPER:
7443
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00007444 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007445
7446 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
7447 SHARED_HW_CFG_LED_EXTPHY1) {
7448
7449 /* Set control reg */
7450 bnx2x_cl45_read(bp, phy,
7451 MDIO_PMA_DEVAD,
7452 MDIO_PMA_REG_8481_LINK_SIGNAL,
7453 &val);
7454
7455 if (!((val &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007456 MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
7457 >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007458 DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007459 bnx2x_cl45_write(bp, phy,
7460 MDIO_PMA_DEVAD,
7461 MDIO_PMA_REG_8481_LINK_SIGNAL,
7462 0xa492);
7463 }
7464
7465 /* Set LED masks */
7466 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007467 MDIO_PMA_DEVAD,
7468 MDIO_PMA_REG_8481_LED1_MASK,
7469 0x10);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007470
7471 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007472 MDIO_PMA_DEVAD,
7473 MDIO_PMA_REG_8481_LED2_MASK,
7474 0x80);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007475
7476 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007477 MDIO_PMA_DEVAD,
7478 MDIO_PMA_REG_8481_LED3_MASK,
7479 0x98);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007480
7481 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007482 MDIO_PMA_DEVAD,
7483 MDIO_PMA_REG_8481_LED5_MASK,
7484 0x40);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007485
7486 } else {
7487 bnx2x_cl45_write(bp, phy,
7488 MDIO_PMA_DEVAD,
7489 MDIO_PMA_REG_8481_LED1_MASK,
7490 0x80);
Yaniv Rosner53eda062011-01-30 04:14:55 +00007491
7492 /* Tell LED3 to blink on source */
7493 bnx2x_cl45_read(bp, phy,
7494 MDIO_PMA_DEVAD,
7495 MDIO_PMA_REG_8481_LINK_SIGNAL,
7496 &val);
7497 val &= ~(7<<6);
7498 val |= (1<<6); /* A83B[8:6]= 1 */
7499 bnx2x_cl45_write(bp, phy,
7500 MDIO_PMA_DEVAD,
7501 MDIO_PMA_REG_8481_LINK_SIGNAL,
7502 val);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007503 }
7504 break;
7505 }
7506}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007507/******************************************************************/
7508/* SFX7101 PHY SECTION */
7509/******************************************************************/
7510static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
7511 struct link_params *params)
7512{
7513 struct bnx2x *bp = params->bp;
7514 /* SFX7101_XGXS_TEST1 */
7515 bnx2x_cl45_write(bp, phy,
7516 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
7517}
7518
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007519static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
7520 struct link_params *params,
7521 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007522{
7523 u16 fw_ver1, fw_ver2, val;
7524 struct bnx2x *bp = params->bp;
7525 DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
7526
7527 /* Restore normal power mode*/
7528 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007529 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007530 /* HW reset */
7531 bnx2x_ext_phy_hw_reset(bp, params->port);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00007532 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007533
7534 bnx2x_cl45_write(bp, phy,
7535 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x1);
7536 DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
7537 bnx2x_cl45_write(bp, phy,
7538 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
7539
7540 bnx2x_ext_phy_set_pause(params, phy, vars);
7541 /* Restart autoneg */
7542 bnx2x_cl45_read(bp, phy,
7543 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
7544 val |= 0x200;
7545 bnx2x_cl45_write(bp, phy,
7546 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
7547
7548 /* Save spirom version */
7549 bnx2x_cl45_read(bp, phy,
7550 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
7551
7552 bnx2x_cl45_read(bp, phy,
7553 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
7554 bnx2x_save_spirom_version(bp, params->port,
7555 (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
7556 return 0;
7557}
7558
7559static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
7560 struct link_params *params,
7561 struct link_vars *vars)
7562{
7563 struct bnx2x *bp = params->bp;
7564 u8 link_up;
7565 u16 val1, val2;
7566 bnx2x_cl45_read(bp, phy,
7567 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
7568 bnx2x_cl45_read(bp, phy,
7569 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
7570 DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
7571 val2, val1);
7572 bnx2x_cl45_read(bp, phy,
7573 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7574 bnx2x_cl45_read(bp, phy,
7575 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7576 DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
7577 val2, val1);
7578 link_up = ((val1 & 4) == 4);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007579 /* if link is up print the AN outcome of the SFX7101 PHY */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007580 if (link_up) {
7581 bnx2x_cl45_read(bp, phy,
7582 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
7583 &val2);
7584 vars->line_speed = SPEED_10000;
Yaniv Rosner791f18c2011-01-18 04:33:42 +00007585 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007586 DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
7587 val2, (val2 & (1<<14)));
7588 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7589 bnx2x_ext_phy_resolve_fc(phy, params, vars);
7590 }
7591 return link_up;
7592}
7593
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007594static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007595{
7596 if (*len < 5)
7597 return -EINVAL;
7598 str[0] = (spirom_ver & 0xFF);
7599 str[1] = (spirom_ver & 0xFF00) >> 8;
7600 str[2] = (spirom_ver & 0xFF0000) >> 16;
7601 str[3] = (spirom_ver & 0xFF000000) >> 24;
7602 str[4] = '\0';
7603 *len -= 5;
7604 return 0;
7605}
7606
7607void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
7608{
7609 u16 val, cnt;
7610
7611 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007612 MDIO_PMA_DEVAD,
7613 MDIO_PMA_REG_7101_RESET, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007614
7615 for (cnt = 0; cnt < 10; cnt++) {
7616 msleep(50);
7617 /* Writes a self-clearing reset */
7618 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007619 MDIO_PMA_DEVAD,
7620 MDIO_PMA_REG_7101_RESET,
7621 (val | (1<<15)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007622 /* Wait for clear */
7623 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007624 MDIO_PMA_DEVAD,
7625 MDIO_PMA_REG_7101_RESET, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007626
7627 if ((val & (1<<15)) == 0)
7628 break;
7629 }
7630}
7631
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007632static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
7633 struct link_params *params) {
7634 /* Low power mode is controlled by GPIO 2 */
7635 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007636 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007637 /* The PHY reset is controlled by GPIO 1 */
7638 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007639 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007640}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007641
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007642static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
7643 struct link_params *params, u8 mode)
7644{
7645 u16 val = 0;
7646 struct bnx2x *bp = params->bp;
7647 switch (mode) {
7648 case LED_MODE_FRONT_PANEL_OFF:
7649 case LED_MODE_OFF:
7650 val = 2;
7651 break;
7652 case LED_MODE_ON:
7653 val = 1;
7654 break;
7655 case LED_MODE_OPER:
7656 val = 0;
7657 break;
7658 }
7659 bnx2x_cl45_write(bp, phy,
7660 MDIO_PMA_DEVAD,
7661 MDIO_PMA_REG_7107_LINK_LED_CNTL,
7662 val);
7663}
7664
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007665/******************************************************************/
7666/* STATIC PHY DECLARATION */
7667/******************************************************************/
7668
7669static struct bnx2x_phy phy_null = {
7670 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
7671 .addr = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007672 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007673 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007674 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7675 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7676 .mdio_ctrl = 0,
7677 .supported = 0,
7678 .media_type = ETH_PHY_NOT_PRESENT,
7679 .ver_addr = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007680 .req_flow_ctrl = 0,
7681 .req_line_speed = 0,
7682 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007683 .req_duplex = 0,
7684 .rsrv = 0,
7685 .config_init = (config_init_t)NULL,
7686 .read_status = (read_status_t)NULL,
7687 .link_reset = (link_reset_t)NULL,
7688 .config_loopback = (config_loopback_t)NULL,
7689 .format_fw_ver = (format_fw_ver_t)NULL,
7690 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007691 .set_link_led = (set_link_led_t)NULL,
7692 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007693};
7694
7695static struct bnx2x_phy phy_serdes = {
7696 .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
7697 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007698 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007699 .flags = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007700 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7701 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7702 .mdio_ctrl = 0,
7703 .supported = (SUPPORTED_10baseT_Half |
7704 SUPPORTED_10baseT_Full |
7705 SUPPORTED_100baseT_Half |
7706 SUPPORTED_100baseT_Full |
7707 SUPPORTED_1000baseT_Full |
7708 SUPPORTED_2500baseX_Full |
7709 SUPPORTED_TP |
7710 SUPPORTED_Autoneg |
7711 SUPPORTED_Pause |
7712 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007713 .media_type = ETH_PHY_BASE_T,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007714 .ver_addr = 0,
7715 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007716 .req_line_speed = 0,
7717 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007718 .req_duplex = 0,
7719 .rsrv = 0,
Yaniv Rosnerec146a62011-05-31 21:29:27 +00007720 .config_init = (config_init_t)bnx2x_xgxs_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007721 .read_status = (read_status_t)bnx2x_link_settings_status,
7722 .link_reset = (link_reset_t)bnx2x_int_link_reset,
7723 .config_loopback = (config_loopback_t)NULL,
7724 .format_fw_ver = (format_fw_ver_t)NULL,
7725 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007726 .set_link_led = (set_link_led_t)NULL,
7727 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007728};
7729
7730static struct bnx2x_phy phy_xgxs = {
7731 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
7732 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007733 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007734 .flags = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007735 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7736 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7737 .mdio_ctrl = 0,
7738 .supported = (SUPPORTED_10baseT_Half |
7739 SUPPORTED_10baseT_Full |
7740 SUPPORTED_100baseT_Half |
7741 SUPPORTED_100baseT_Full |
7742 SUPPORTED_1000baseT_Full |
7743 SUPPORTED_2500baseX_Full |
7744 SUPPORTED_10000baseT_Full |
7745 SUPPORTED_FIBRE |
7746 SUPPORTED_Autoneg |
7747 SUPPORTED_Pause |
7748 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007749 .media_type = ETH_PHY_CX4,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007750 .ver_addr = 0,
7751 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007752 .req_line_speed = 0,
7753 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007754 .req_duplex = 0,
7755 .rsrv = 0,
Yaniv Rosnerec146a62011-05-31 21:29:27 +00007756 .config_init = (config_init_t)bnx2x_xgxs_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007757 .read_status = (read_status_t)bnx2x_link_settings_status,
7758 .link_reset = (link_reset_t)bnx2x_int_link_reset,
7759 .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
7760 .format_fw_ver = (format_fw_ver_t)NULL,
7761 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007762 .set_link_led = (set_link_led_t)NULL,
7763 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007764};
7765
7766static struct bnx2x_phy phy_7101 = {
7767 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
7768 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007769 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007770 .flags = FLAGS_FAN_FAILURE_DET_REQ,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007771 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7772 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7773 .mdio_ctrl = 0,
7774 .supported = (SUPPORTED_10000baseT_Full |
7775 SUPPORTED_TP |
7776 SUPPORTED_Autoneg |
7777 SUPPORTED_Pause |
7778 SUPPORTED_Asym_Pause),
7779 .media_type = ETH_PHY_BASE_T,
7780 .ver_addr = 0,
7781 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007782 .req_line_speed = 0,
7783 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007784 .req_duplex = 0,
7785 .rsrv = 0,
7786 .config_init = (config_init_t)bnx2x_7101_config_init,
7787 .read_status = (read_status_t)bnx2x_7101_read_status,
7788 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
7789 .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
7790 .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
7791 .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007792 .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007793 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007794};
7795static struct bnx2x_phy phy_8073 = {
7796 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
7797 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007798 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007799 .flags = FLAGS_HW_LOCK_REQUIRED,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007800 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7801 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7802 .mdio_ctrl = 0,
7803 .supported = (SUPPORTED_10000baseT_Full |
7804 SUPPORTED_2500baseX_Full |
7805 SUPPORTED_1000baseT_Full |
7806 SUPPORTED_FIBRE |
7807 SUPPORTED_Autoneg |
7808 SUPPORTED_Pause |
7809 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007810 .media_type = ETH_PHY_KR,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007811 .ver_addr = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007812 .req_flow_ctrl = 0,
7813 .req_line_speed = 0,
7814 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007815 .req_duplex = 0,
7816 .rsrv = 0,
Yaniv Rosner62b29a52010-09-07 11:40:58 +00007817 .config_init = (config_init_t)bnx2x_8073_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007818 .read_status = (read_status_t)bnx2x_8073_read_status,
7819 .link_reset = (link_reset_t)bnx2x_8073_link_reset,
7820 .config_loopback = (config_loopback_t)NULL,
7821 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
7822 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007823 .set_link_led = (set_link_led_t)NULL,
7824 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007825};
7826static struct bnx2x_phy phy_8705 = {
7827 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
7828 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007829 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007830 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007831 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7832 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7833 .mdio_ctrl = 0,
7834 .supported = (SUPPORTED_10000baseT_Full |
7835 SUPPORTED_FIBRE |
7836 SUPPORTED_Pause |
7837 SUPPORTED_Asym_Pause),
7838 .media_type = ETH_PHY_XFP_FIBER,
7839 .ver_addr = 0,
7840 .req_flow_ctrl = 0,
7841 .req_line_speed = 0,
7842 .speed_cap_mask = 0,
7843 .req_duplex = 0,
7844 .rsrv = 0,
7845 .config_init = (config_init_t)bnx2x_8705_config_init,
7846 .read_status = (read_status_t)bnx2x_8705_read_status,
7847 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
7848 .config_loopback = (config_loopback_t)NULL,
7849 .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
7850 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007851 .set_link_led = (set_link_led_t)NULL,
7852 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007853};
7854static struct bnx2x_phy phy_8706 = {
7855 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
7856 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007857 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007858 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007859 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7860 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7861 .mdio_ctrl = 0,
7862 .supported = (SUPPORTED_10000baseT_Full |
7863 SUPPORTED_1000baseT_Full |
7864 SUPPORTED_FIBRE |
7865 SUPPORTED_Pause |
7866 SUPPORTED_Asym_Pause),
7867 .media_type = ETH_PHY_SFP_FIBER,
7868 .ver_addr = 0,
7869 .req_flow_ctrl = 0,
7870 .req_line_speed = 0,
7871 .speed_cap_mask = 0,
7872 .req_duplex = 0,
7873 .rsrv = 0,
7874 .config_init = (config_init_t)bnx2x_8706_config_init,
7875 .read_status = (read_status_t)bnx2x_8706_read_status,
7876 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
7877 .config_loopback = (config_loopback_t)NULL,
7878 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
7879 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007880 .set_link_led = (set_link_led_t)NULL,
7881 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007882};
7883
7884static struct bnx2x_phy phy_8726 = {
7885 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
7886 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007887 .def_md_devad = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007888 .flags = (FLAGS_HW_LOCK_REQUIRED |
7889 FLAGS_INIT_XGXS_FIRST),
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007890 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7891 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7892 .mdio_ctrl = 0,
7893 .supported = (SUPPORTED_10000baseT_Full |
7894 SUPPORTED_1000baseT_Full |
7895 SUPPORTED_Autoneg |
7896 SUPPORTED_FIBRE |
7897 SUPPORTED_Pause |
7898 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007899 .media_type = ETH_PHY_NOT_PRESENT,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007900 .ver_addr = 0,
7901 .req_flow_ctrl = 0,
7902 .req_line_speed = 0,
7903 .speed_cap_mask = 0,
7904 .req_duplex = 0,
7905 .rsrv = 0,
7906 .config_init = (config_init_t)bnx2x_8726_config_init,
7907 .read_status = (read_status_t)bnx2x_8726_read_status,
7908 .link_reset = (link_reset_t)bnx2x_8726_link_reset,
7909 .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
7910 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
7911 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007912 .set_link_led = (set_link_led_t)NULL,
7913 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007914};
7915
7916static struct bnx2x_phy phy_8727 = {
7917 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
7918 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007919 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007920 .flags = FLAGS_FAN_FAILURE_DET_REQ,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007921 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7922 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7923 .mdio_ctrl = 0,
7924 .supported = (SUPPORTED_10000baseT_Full |
7925 SUPPORTED_1000baseT_Full |
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007926 SUPPORTED_FIBRE |
7927 SUPPORTED_Pause |
7928 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007929 .media_type = ETH_PHY_NOT_PRESENT,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007930 .ver_addr = 0,
7931 .req_flow_ctrl = 0,
7932 .req_line_speed = 0,
7933 .speed_cap_mask = 0,
7934 .req_duplex = 0,
7935 .rsrv = 0,
7936 .config_init = (config_init_t)bnx2x_8727_config_init,
7937 .read_status = (read_status_t)bnx2x_8727_read_status,
7938 .link_reset = (link_reset_t)bnx2x_8727_link_reset,
7939 .config_loopback = (config_loopback_t)NULL,
7940 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
7941 .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007942 .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007943 .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007944};
7945static struct bnx2x_phy phy_8481 = {
7946 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
7947 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007948 .def_md_devad = 0,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007949 .flags = FLAGS_FAN_FAILURE_DET_REQ |
7950 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007951 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7952 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7953 .mdio_ctrl = 0,
7954 .supported = (SUPPORTED_10baseT_Half |
7955 SUPPORTED_10baseT_Full |
7956 SUPPORTED_100baseT_Half |
7957 SUPPORTED_100baseT_Full |
7958 SUPPORTED_1000baseT_Full |
7959 SUPPORTED_10000baseT_Full |
7960 SUPPORTED_TP |
7961 SUPPORTED_Autoneg |
7962 SUPPORTED_Pause |
7963 SUPPORTED_Asym_Pause),
7964 .media_type = ETH_PHY_BASE_T,
7965 .ver_addr = 0,
7966 .req_flow_ctrl = 0,
7967 .req_line_speed = 0,
7968 .speed_cap_mask = 0,
7969 .req_duplex = 0,
7970 .rsrv = 0,
7971 .config_init = (config_init_t)bnx2x_8481_config_init,
7972 .read_status = (read_status_t)bnx2x_848xx_read_status,
7973 .link_reset = (link_reset_t)bnx2x_8481_link_reset,
7974 .config_loopback = (config_loopback_t)NULL,
7975 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
7976 .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007977 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007978 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007979};
7980
7981static struct bnx2x_phy phy_84823 = {
7982 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
7983 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007984 .def_md_devad = 0,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007985 .flags = FLAGS_FAN_FAILURE_DET_REQ |
7986 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007987 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7988 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7989 .mdio_ctrl = 0,
7990 .supported = (SUPPORTED_10baseT_Half |
7991 SUPPORTED_10baseT_Full |
7992 SUPPORTED_100baseT_Half |
7993 SUPPORTED_100baseT_Full |
7994 SUPPORTED_1000baseT_Full |
7995 SUPPORTED_10000baseT_Full |
7996 SUPPORTED_TP |
7997 SUPPORTED_Autoneg |
7998 SUPPORTED_Pause |
7999 SUPPORTED_Asym_Pause),
8000 .media_type = ETH_PHY_BASE_T,
8001 .ver_addr = 0,
8002 .req_flow_ctrl = 0,
8003 .req_line_speed = 0,
8004 .speed_cap_mask = 0,
8005 .req_duplex = 0,
8006 .rsrv = 0,
8007 .config_init = (config_init_t)bnx2x_848x3_config_init,
8008 .read_status = (read_status_t)bnx2x_848xx_read_status,
8009 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
8010 .config_loopback = (config_loopback_t)NULL,
8011 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
8012 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00008013 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008014 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008015};
8016
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00008017static struct bnx2x_phy phy_84833 = {
8018 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
8019 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00008020 .def_md_devad = 0,
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00008021 .flags = FLAGS_FAN_FAILURE_DET_REQ |
8022 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00008023 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
8024 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
8025 .mdio_ctrl = 0,
8026 .supported = (SUPPORTED_10baseT_Half |
8027 SUPPORTED_10baseT_Full |
8028 SUPPORTED_100baseT_Half |
8029 SUPPORTED_100baseT_Full |
8030 SUPPORTED_1000baseT_Full |
8031 SUPPORTED_10000baseT_Full |
8032 SUPPORTED_TP |
8033 SUPPORTED_Autoneg |
8034 SUPPORTED_Pause |
8035 SUPPORTED_Asym_Pause),
8036 .media_type = ETH_PHY_BASE_T,
8037 .ver_addr = 0,
8038 .req_flow_ctrl = 0,
8039 .req_line_speed = 0,
8040 .speed_cap_mask = 0,
8041 .req_duplex = 0,
8042 .rsrv = 0,
8043 .config_init = (config_init_t)bnx2x_848x3_config_init,
8044 .read_status = (read_status_t)bnx2x_848xx_read_status,
8045 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
8046 .config_loopback = (config_loopback_t)NULL,
8047 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
8048 .hw_reset = (hw_reset_t)NULL,
8049 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
8050 .phy_specific_func = (phy_specific_func_t)NULL
8051};
8052
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008053/*****************************************************************/
8054/* */
8055/* Populate the phy according. Main function: bnx2x_populate_phy */
8056/* */
8057/*****************************************************************/
8058
8059static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
8060 struct bnx2x_phy *phy, u8 port,
8061 u8 phy_index)
8062{
8063 /* Get the 4 lanes xgxs config rx and tx */
8064 u32 rx = 0, tx = 0, i;
8065 for (i = 0; i < 2; i++) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008066 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008067 * INT_PHY and EXT_PHY1 share the same value location in the
8068 * shmem. When num_phys is greater than 1, than this value
8069 * applies only to EXT_PHY1
8070 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008071 if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
8072 rx = REG_RD(bp, shmem_base +
8073 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008074 dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008075
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008076 tx = REG_RD(bp, shmem_base +
8077 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008078 dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008079 } else {
8080 rx = REG_RD(bp, shmem_base +
8081 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008082 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008083
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008084 tx = REG_RD(bp, shmem_base +
8085 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008086 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008087 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008088
8089 phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
8090 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
8091
8092 phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
8093 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
8094 }
8095}
8096
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008097static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
8098 u8 phy_index, u8 port)
8099{
8100 u32 ext_phy_config = 0;
8101 switch (phy_index) {
8102 case EXT_PHY1:
8103 ext_phy_config = REG_RD(bp, shmem_base +
8104 offsetof(struct shmem_region,
8105 dev_info.port_hw_config[port].external_phy_config));
8106 break;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008107 case EXT_PHY2:
8108 ext_phy_config = REG_RD(bp, shmem_base +
8109 offsetof(struct shmem_region,
8110 dev_info.port_hw_config[port].external_phy_config2));
8111 break;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008112 default:
8113 DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
8114 return -EINVAL;
8115 }
8116
8117 return ext_phy_config;
8118}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008119static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
8120 struct bnx2x_phy *phy)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008121{
8122 u32 phy_addr;
8123 u32 chip_id;
8124 u32 switch_cfg = (REG_RD(bp, shmem_base +
8125 offsetof(struct shmem_region,
8126 dev_info.port_feature_config[port].link_config)) &
8127 PORT_FEATURE_CONNECTED_SWITCH_MASK);
8128 chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
8129 switch (switch_cfg) {
8130 case SWITCH_CFG_1G:
8131 phy_addr = REG_RD(bp,
8132 NIG_REG_SERDES0_CTRL_PHY_ADDR +
8133 port * 0x10);
8134 *phy = phy_serdes;
8135 break;
8136 case SWITCH_CFG_10G:
8137 phy_addr = REG_RD(bp,
8138 NIG_REG_XGXS0_CTRL_PHY_ADDR +
8139 port * 0x18);
8140 *phy = phy_xgxs;
8141 break;
8142 default:
8143 DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
8144 return -EINVAL;
8145 }
8146 phy->addr = (u8)phy_addr;
8147 phy->mdio_ctrl = bnx2x_get_emac_base(bp,
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00008148 SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008149 port);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008150 if (CHIP_IS_E2(bp))
8151 phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
8152 else
8153 phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008154
8155 DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
8156 port, phy->addr, phy->mdio_ctrl);
8157
8158 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
8159 return 0;
8160}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008161
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008162static int bnx2x_populate_ext_phy(struct bnx2x *bp,
8163 u8 phy_index,
8164 u32 shmem_base,
8165 u32 shmem2_base,
8166 u8 port,
8167 struct bnx2x_phy *phy)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008168{
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00008169 u32 ext_phy_config, phy_type, config2;
8170 u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008171 ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
8172 phy_index, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008173 phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
8174 /* Select the phy type */
8175 switch (phy_type) {
8176 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00008177 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008178 *phy = phy_8073;
8179 break;
8180 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
8181 *phy = phy_8705;
8182 break;
8183 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
8184 *phy = phy_8706;
8185 break;
8186 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00008187 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008188 *phy = phy_8726;
8189 break;
8190 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
8191 /* BCM8727_NOC => BCM8727 no over current */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00008192 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008193 *phy = phy_8727;
8194 phy->flags |= FLAGS_NOC;
8195 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008196 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008197 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00008198 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008199 *phy = phy_8727;
8200 break;
8201 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
8202 *phy = phy_8481;
8203 break;
8204 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
8205 *phy = phy_84823;
8206 break;
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00008207 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
8208 *phy = phy_84833;
8209 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008210 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
8211 *phy = phy_7101;
8212 break;
8213 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
8214 *phy = phy_null;
8215 return -EINVAL;
8216 default:
8217 *phy = phy_null;
8218 return 0;
8219 }
8220
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008221 phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008222 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00008223
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008224 /*
8225 * The shmem address of the phy version is located on different
8226 * structures. In case this structure is too old, do not set
8227 * the address
8228 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00008229 config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
8230 dev_info.shared_hw_config.config2));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008231 if (phy_index == EXT_PHY1) {
8232 phy->ver_addr = shmem_base + offsetof(struct shmem_region,
8233 port_mb[port].ext_phy_fw_version);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00008234
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008235 /* Check specific mdc mdio settings */
8236 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
8237 mdc_mdio_access = config2 &
8238 SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008239 } else {
8240 u32 size = REG_RD(bp, shmem2_base);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00008241
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008242 if (size >
8243 offsetof(struct shmem2_region, ext_phy_fw_version2)) {
8244 phy->ver_addr = shmem2_base +
8245 offsetof(struct shmem2_region,
8246 ext_phy_fw_version2[port]);
8247 }
8248 /* Check specific mdc mdio settings */
8249 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
8250 mdc_mdio_access = (config2 &
8251 SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
8252 (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
8253 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
8254 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00008255 phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
8256
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008257 /*
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00008258 * In case mdc/mdio_access of the external phy is different than the
8259 * mdc/mdio access of the XGXS, a HW lock must be taken in each access
8260 * to prevent one port interfere with another port's CL45 operations.
8261 */
8262 if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
8263 phy->flags |= FLAGS_HW_LOCK_REQUIRED;
8264 DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
8265 phy_type, port, phy_index);
8266 DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
8267 phy->addr, phy->mdio_ctrl);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008268 return 0;
8269}
8270
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008271static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
8272 u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008273{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008274 int status = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008275 phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
8276 if (phy_index == INT_PHY)
8277 return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008278 status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008279 port, phy);
8280 return status;
8281}
8282
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008283static void bnx2x_phy_def_cfg(struct link_params *params,
8284 struct bnx2x_phy *phy,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008285 u8 phy_index)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008286{
8287 struct bnx2x *bp = params->bp;
8288 u32 link_config;
8289 /* Populate the default phy configuration for MF mode */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008290 if (phy_index == EXT_PHY2) {
8291 link_config = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008292 offsetof(struct shmem_region, dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008293 port_feature_config[params->port].link_config2));
8294 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008295 offsetof(struct shmem_region,
8296 dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008297 port_hw_config[params->port].speed_capability_mask2));
8298 } else {
8299 link_config = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008300 offsetof(struct shmem_region, dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008301 port_feature_config[params->port].link_config));
8302 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008303 offsetof(struct shmem_region,
8304 dev_info.
8305 port_hw_config[params->port].speed_capability_mask));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008306 }
8307 DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
8308 " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008309
8310 phy->req_duplex = DUPLEX_FULL;
8311 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
8312 case PORT_FEATURE_LINK_SPEED_10M_HALF:
8313 phy->req_duplex = DUPLEX_HALF;
8314 case PORT_FEATURE_LINK_SPEED_10M_FULL:
8315 phy->req_line_speed = SPEED_10;
8316 break;
8317 case PORT_FEATURE_LINK_SPEED_100M_HALF:
8318 phy->req_duplex = DUPLEX_HALF;
8319 case PORT_FEATURE_LINK_SPEED_100M_FULL:
8320 phy->req_line_speed = SPEED_100;
8321 break;
8322 case PORT_FEATURE_LINK_SPEED_1G:
8323 phy->req_line_speed = SPEED_1000;
8324 break;
8325 case PORT_FEATURE_LINK_SPEED_2_5G:
8326 phy->req_line_speed = SPEED_2500;
8327 break;
8328 case PORT_FEATURE_LINK_SPEED_10G_CX4:
8329 phy->req_line_speed = SPEED_10000;
8330 break;
8331 default:
8332 phy->req_line_speed = SPEED_AUTO_NEG;
8333 break;
8334 }
8335
8336 switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
8337 case PORT_FEATURE_FLOW_CONTROL_AUTO:
8338 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
8339 break;
8340 case PORT_FEATURE_FLOW_CONTROL_TX:
8341 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
8342 break;
8343 case PORT_FEATURE_FLOW_CONTROL_RX:
8344 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
8345 break;
8346 case PORT_FEATURE_FLOW_CONTROL_BOTH:
8347 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
8348 break;
8349 default:
8350 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
8351 break;
8352 }
8353}
8354
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008355u32 bnx2x_phy_selection(struct link_params *params)
8356{
8357 u32 phy_config_swapped, prio_cfg;
8358 u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
8359
8360 phy_config_swapped = params->multi_phy_config &
8361 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
8362
8363 prio_cfg = params->multi_phy_config &
8364 PORT_HW_CFG_PHY_SELECTION_MASK;
8365
8366 if (phy_config_swapped) {
8367 switch (prio_cfg) {
8368 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
8369 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
8370 break;
8371 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
8372 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
8373 break;
8374 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
8375 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
8376 break;
8377 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
8378 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
8379 break;
8380 }
8381 } else
8382 return_cfg = prio_cfg;
8383
8384 return return_cfg;
8385}
8386
8387
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008388int bnx2x_phy_probe(struct link_params *params)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008389{
8390 u8 phy_index, actual_phy_idx, link_cfg_idx;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00008391 u32 phy_config_swapped, sync_offset, media_types;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008392 struct bnx2x *bp = params->bp;
8393 struct bnx2x_phy *phy;
8394 params->num_phys = 0;
8395 DP(NETIF_MSG_LINK, "Begin phy probe\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008396 phy_config_swapped = params->multi_phy_config &
8397 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008398
8399 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
8400 phy_index++) {
8401 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
8402 actual_phy_idx = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008403 if (phy_config_swapped) {
8404 if (phy_index == EXT_PHY1)
8405 actual_phy_idx = EXT_PHY2;
8406 else if (phy_index == EXT_PHY2)
8407 actual_phy_idx = EXT_PHY1;
8408 }
8409 DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
8410 " actual_phy_idx %x\n", phy_config_swapped,
8411 phy_index, actual_phy_idx);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008412 phy = &params->phy[actual_phy_idx];
8413 if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008414 params->shmem2_base, params->port,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008415 phy) != 0) {
8416 params->num_phys = 0;
8417 DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
8418 phy_index);
8419 for (phy_index = INT_PHY;
8420 phy_index < MAX_PHYS;
8421 phy_index++)
8422 *phy = phy_null;
8423 return -EINVAL;
8424 }
8425 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
8426 break;
8427
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00008428 sync_offset = params->shmem_base +
8429 offsetof(struct shmem_region,
8430 dev_info.port_hw_config[params->port].media_type);
8431 media_types = REG_RD(bp, sync_offset);
8432
8433 /*
8434 * Update media type for non-PMF sync only for the first time
8435 * In case the media type changes afterwards, it will be updated
8436 * using the update_status function
8437 */
8438 if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
8439 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
8440 actual_phy_idx))) == 0) {
8441 media_types |= ((phy->media_type &
8442 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
8443 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
8444 actual_phy_idx));
8445 }
8446 REG_WR(bp, sync_offset, media_types);
8447
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008448 bnx2x_phy_def_cfg(params, phy, phy_index);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008449 params->num_phys++;
8450 }
8451
8452 DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
8453 return 0;
8454}
8455
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00008456void bnx2x_init_bmac_loopback(struct link_params *params,
8457 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008458{
8459 struct bnx2x *bp = params->bp;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00008460 vars->link_up = 1;
8461 vars->line_speed = SPEED_10000;
8462 vars->duplex = DUPLEX_FULL;
8463 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
8464 vars->mac_type = MAC_TYPE_BMAC;
8465
8466 vars->phy_flags = PHY_XGXS_FLAG;
8467
8468 bnx2x_xgxs_deassert(params);
8469
8470 /* set bmac loopback */
8471 bnx2x_bmac_enable(params, vars, 1);
8472
8473 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
8474}
8475
8476void bnx2x_init_emac_loopback(struct link_params *params,
8477 struct link_vars *vars)
8478{
8479 struct bnx2x *bp = params->bp;
8480 vars->link_up = 1;
8481 vars->line_speed = SPEED_1000;
8482 vars->duplex = DUPLEX_FULL;
8483 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
8484 vars->mac_type = MAC_TYPE_EMAC;
8485
8486 vars->phy_flags = PHY_XGXS_FLAG;
8487
8488 bnx2x_xgxs_deassert(params);
8489 /* set bmac loopback */
8490 bnx2x_emac_enable(params, vars, 1);
8491 bnx2x_emac_program(params, vars);
8492 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
8493}
8494
Yaniv Rosner9380bb92011-06-14 01:34:07 +00008495void bnx2x_init_xmac_loopback(struct link_params *params,
8496 struct link_vars *vars)
8497{
8498 struct bnx2x *bp = params->bp;
8499 vars->link_up = 1;
8500 if (!params->req_line_speed[0])
8501 vars->line_speed = SPEED_10000;
8502 else
8503 vars->line_speed = params->req_line_speed[0];
8504 vars->duplex = DUPLEX_FULL;
8505 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
8506 vars->mac_type = MAC_TYPE_XMAC;
8507 vars->phy_flags = PHY_XGXS_FLAG;
8508 /*
8509 * Set WC to loopback mode since link is required to provide clock
8510 * to the XMAC in 20G mode
8511 */
8512
8513 bnx2x_xmac_enable(params, vars, 1);
8514 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
8515}
8516
8517void bnx2x_init_umac_loopback(struct link_params *params,
8518 struct link_vars *vars)
8519{
8520 struct bnx2x *bp = params->bp;
8521 vars->link_up = 1;
8522 vars->line_speed = SPEED_1000;
8523 vars->duplex = DUPLEX_FULL;
8524 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
8525 vars->mac_type = MAC_TYPE_UMAC;
8526 vars->phy_flags = PHY_XGXS_FLAG;
8527 bnx2x_umac_enable(params, vars, 1);
8528
8529 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
8530}
8531
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00008532void bnx2x_init_xgxs_loopback(struct link_params *params,
8533 struct link_vars *vars)
8534{
8535 struct bnx2x *bp = params->bp;
8536 vars->link_up = 1;
8537 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
8538 vars->duplex = DUPLEX_FULL;
8539 if (params->req_line_speed[0] == SPEED_1000)
8540 vars->line_speed = SPEED_1000;
8541 else
8542 vars->line_speed = SPEED_10000;
8543
Yaniv Rosner9380bb92011-06-14 01:34:07 +00008544 if (!USES_WARPCORE(bp))
8545 bnx2x_xgxs_deassert(params);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00008546 bnx2x_link_initialize(params, vars);
8547
8548 if (params->req_line_speed[0] == SPEED_1000) {
Yaniv Rosner9380bb92011-06-14 01:34:07 +00008549 if (USES_WARPCORE(bp))
8550 bnx2x_umac_enable(params, vars, 0);
8551 else {
8552 bnx2x_emac_program(params, vars);
8553 bnx2x_emac_enable(params, vars, 0);
8554 }
8555 } else {
8556 if (USES_WARPCORE(bp))
8557 bnx2x_xmac_enable(params, vars, 0);
8558 else
8559 bnx2x_bmac_enable(params, vars, 0);
8560 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00008561
8562 if (params->loopback_mode == LOOPBACK_XGXS) {
8563 /* set 10G XGXS loopback */
8564 params->phy[INT_PHY].config_loopback(
8565 &params->phy[INT_PHY],
8566 params);
8567
8568 } else {
8569 /* set external phy loopback */
8570 u8 phy_index;
8571 for (phy_index = EXT_PHY1;
8572 phy_index < params->num_phys; phy_index++) {
8573 if (params->phy[phy_index].config_loopback)
8574 params->phy[phy_index].config_loopback(
8575 &params->phy[phy_index],
8576 params);
8577 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008578 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00008579 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008580
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00008581 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008582}
8583
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008584int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008585{
8586 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008587 DP(NETIF_MSG_LINK, "Phy Initialization started\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008588 DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
8589 params->req_line_speed[0], params->req_flow_ctrl[0]);
8590 DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
8591 params->req_line_speed[1], params->req_flow_ctrl[1]);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008592 vars->link_status = 0;
8593 vars->phy_link_up = 0;
8594 vars->link_up = 0;
8595 vars->line_speed = 0;
8596 vars->duplex = DUPLEX_FULL;
8597 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
8598 vars->mac_type = MAC_TYPE_NONE;
8599 vars->phy_flags = 0;
8600
8601 /* disable attentions */
8602 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
8603 (NIG_MASK_XGXS0_LINK_STATUS |
8604 NIG_MASK_XGXS0_LINK10G |
8605 NIG_MASK_SERDES0_LINK_STATUS |
8606 NIG_MASK_MI_INT));
8607
8608 bnx2x_emac_init(params, vars);
8609
8610 if (params->num_phys == 0) {
8611 DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
8612 return -EINVAL;
8613 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00008614 set_phy_vars(params, vars);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008615
8616 DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00008617 switch (params->loopback_mode) {
8618 case LOOPBACK_BMAC:
8619 bnx2x_init_bmac_loopback(params, vars);
8620 break;
8621 case LOOPBACK_EMAC:
8622 bnx2x_init_emac_loopback(params, vars);
8623 break;
Yaniv Rosner9380bb92011-06-14 01:34:07 +00008624 case LOOPBACK_XMAC:
8625 bnx2x_init_xmac_loopback(params, vars);
8626 break;
8627 case LOOPBACK_UMAC:
8628 bnx2x_init_umac_loopback(params, vars);
8629 break;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00008630 case LOOPBACK_XGXS:
8631 case LOOPBACK_EXT_PHY:
8632 bnx2x_init_xgxs_loopback(params, vars);
8633 break;
8634 default:
Yaniv Rosner9380bb92011-06-14 01:34:07 +00008635 if (!CHIP_IS_E3(bp)) {
8636 if (params->switch_cfg == SWITCH_CFG_10G)
8637 bnx2x_xgxs_deassert(params);
8638 else
8639 bnx2x_serdes_deassert(bp, params->port);
8640 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008641 bnx2x_link_initialize(params, vars);
8642 msleep(30);
8643 bnx2x_link_int_enable(params);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00008644 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008645 }
8646 return 0;
8647}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008648
8649int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
8650 u8 reset_ext_phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008651{
8652 struct bnx2x *bp = params->bp;
Yaniv Rosnercf1d9722010-11-01 05:32:34 +00008653 u8 phy_index, port = params->port, clear_latch_ind = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008654 DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
8655 /* disable attentions */
8656 vars->link_status = 0;
8657 bnx2x_update_mng(params, vars->link_status);
8658 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008659 (NIG_MASK_XGXS0_LINK_STATUS |
8660 NIG_MASK_XGXS0_LINK10G |
8661 NIG_MASK_SERDES0_LINK_STATUS |
8662 NIG_MASK_MI_INT));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008663
8664 /* activate nig drain */
8665 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
8666
8667 /* disable nig egress interface */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00008668 if (!CHIP_IS_E3(bp)) {
8669 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
8670 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
8671 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008672
8673 /* Stop BigMac rx */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00008674 if (!CHIP_IS_E3(bp))
8675 bnx2x_bmac_rx_disable(bp, port);
8676 else
8677 bnx2x_xmac_disable(params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008678 /* disable emac */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00008679 if (!CHIP_IS_E3(bp))
8680 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008681
8682 msleep(10);
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008683 /* The PHY reset is controlled by GPIO 1
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008684 * Hold it as vars low
8685 */
8686 /* clear link led */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00008687 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
8688
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008689 if (reset_ext_phy) {
8690 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
8691 phy_index++) {
8692 if (params->phy[phy_index].link_reset)
8693 params->phy[phy_index].link_reset(
8694 &params->phy[phy_index],
8695 params);
Yaniv Rosnercf1d9722010-11-01 05:32:34 +00008696 if (params->phy[phy_index].flags &
8697 FLAGS_REARM_LATCH_SIGNAL)
8698 clear_latch_ind = 1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008699 }
8700 }
8701
Yaniv Rosnercf1d9722010-11-01 05:32:34 +00008702 if (clear_latch_ind) {
8703 /* Clear latching indication */
8704 bnx2x_rearm_latch_signal(bp, port, 0);
8705 bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
8706 1 << NIG_LATCH_BC_ENABLE_MI_INT);
8707 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008708 if (params->phy[INT_PHY].link_reset)
8709 params->phy[INT_PHY].link_reset(
8710 &params->phy[INT_PHY], params);
8711 /* reset BigMac */
8712 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
8713 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
8714
8715 /* disable nig ingress interface */
Yaniv Rosner9380bb92011-06-14 01:34:07 +00008716 if (!CHIP_IS_E3(bp)) {
8717 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
8718 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
8719 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008720 vars->link_up = 0;
8721 return 0;
8722}
8723
8724/****************************************************************************/
8725/* Common function */
8726/****************************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008727static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
8728 u32 shmem_base_path[],
8729 u32 shmem2_base_path[], u8 phy_index,
8730 u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008731{
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008732 struct bnx2x_phy phy[PORT_MAX];
8733 struct bnx2x_phy *phy_blk[PORT_MAX];
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008734 u16 val;
Yaniv Rosnerc8e64df2011-01-30 04:15:00 +00008735 s8 port = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008736 s8 port_of_path = 0;
Yaniv Rosnerc8e64df2011-01-30 04:15:00 +00008737 u32 swap_val, swap_override;
8738 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
8739 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
8740 port ^= (swap_val && swap_override);
8741 bnx2x_ext_phy_hw_reset(bp, port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008742 /* PART1 - Reset both phys */
8743 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008744 u32 shmem_base, shmem2_base;
8745 /* In E2, same phy is using for port0 of the two paths */
8746 if (CHIP_IS_E2(bp)) {
8747 shmem_base = shmem_base_path[port];
8748 shmem2_base = shmem2_base_path[port];
8749 port_of_path = 0;
8750 } else {
8751 shmem_base = shmem_base_path[0];
8752 shmem2_base = shmem2_base_path[0];
8753 port_of_path = port;
8754 }
8755
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008756 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008757 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008758 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008759 0) {
8760 DP(NETIF_MSG_LINK, "populate_phy failed\n");
8761 return -EINVAL;
8762 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008763 /* disable attentions */
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00008764 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
8765 port_of_path*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008766 (NIG_MASK_XGXS0_LINK_STATUS |
8767 NIG_MASK_XGXS0_LINK10G |
8768 NIG_MASK_SERDES0_LINK_STATUS |
8769 NIG_MASK_MI_INT));
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008770
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008771 /* Need to take the phy out of low power mode in order
8772 to write to access its registers */
8773 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008774 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
8775 port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008776
8777 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008778 bnx2x_cl45_write(bp, &phy[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008779 MDIO_PMA_DEVAD,
8780 MDIO_PMA_REG_CTRL,
8781 1<<15);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008782 }
8783
8784 /* Add delay of 150ms after reset */
8785 msleep(150);
8786
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008787 if (phy[PORT_0].addr & 0x1) {
8788 phy_blk[PORT_0] = &(phy[PORT_1]);
8789 phy_blk[PORT_1] = &(phy[PORT_0]);
8790 } else {
8791 phy_blk[PORT_0] = &(phy[PORT_0]);
8792 phy_blk[PORT_1] = &(phy[PORT_1]);
8793 }
8794
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008795 /* PART2 - Download firmware to both phys */
8796 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008797 if (CHIP_IS_E2(bp))
8798 port_of_path = 0;
8799 else
8800 port_of_path = port;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008801
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008802 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
8803 phy_blk[port]->addr);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00008804 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
8805 port_of_path))
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008806 return -EINVAL;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008807
8808 /* Only set bit 10 = 1 (Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008809 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008810 MDIO_PMA_DEVAD,
8811 MDIO_PMA_REG_TX_POWER_DOWN, &val);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008812
8813 /* Phase1 of TX_POWER_DOWN reset */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008814 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008815 MDIO_PMA_DEVAD,
8816 MDIO_PMA_REG_TX_POWER_DOWN,
8817 (val | 1<<10));
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008818 }
8819
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008820 /*
8821 * Toggle Transmitter: Power down and then up with 600ms delay
8822 * between
8823 */
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008824 msleep(600);
8825
8826 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
8827 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Eilon Greensteinf5372252009-02-12 08:38:30 +00008828 /* Phase2 of POWER_DOWN_RESET */
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008829 /* Release bit 10 (Release Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008830 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008831 MDIO_PMA_DEVAD,
8832 MDIO_PMA_REG_TX_POWER_DOWN, &val);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008833
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008834 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008835 MDIO_PMA_DEVAD,
8836 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008837 msleep(15);
8838
8839 /* Read modify write the SPI-ROM version select register */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008840 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008841 MDIO_PMA_DEVAD,
8842 MDIO_PMA_REG_EDC_FFE_MAIN, &val);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008843 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008844 MDIO_PMA_DEVAD,
8845 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008846
8847 /* set GPIO2 back to LOW */
8848 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008849 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008850 }
8851 return 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008852}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008853static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
8854 u32 shmem_base_path[],
8855 u32 shmem2_base_path[], u8 phy_index,
8856 u32 chip_id)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008857{
8858 u32 val;
8859 s8 port;
8860 struct bnx2x_phy phy;
8861 /* Use port1 because of the static port-swap */
8862 /* Enable the module detection interrupt */
8863 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
8864 val |= ((1<<MISC_REGISTERS_GPIO_3)|
8865 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
8866 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
8867
Yaniv Rosner650154b2010-11-01 05:32:36 +00008868 bnx2x_ext_phy_hw_reset(bp, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008869 msleep(5);
8870 for (port = 0; port < PORT_MAX; port++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008871 u32 shmem_base, shmem2_base;
8872
8873 /* In E2, same phy is using for port0 of the two paths */
8874 if (CHIP_IS_E2(bp)) {
8875 shmem_base = shmem_base_path[port];
8876 shmem2_base = shmem2_base_path[port];
8877 } else {
8878 shmem_base = shmem_base_path[0];
8879 shmem2_base = shmem2_base_path[0];
8880 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008881 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008882 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008883 port, &phy) !=
8884 0) {
8885 DP(NETIF_MSG_LINK, "populate phy failed\n");
8886 return -EINVAL;
8887 }
8888
8889 /* Reset phy*/
8890 bnx2x_cl45_write(bp, &phy,
8891 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
8892
8893
8894 /* Set fault module detected LED on */
8895 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008896 MISC_REGISTERS_GPIO_HIGH,
8897 port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008898 }
8899
8900 return 0;
8901}
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008902static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
8903 u8 *io_gpio, u8 *io_port)
8904{
8905
8906 u32 phy_gpio_reset = REG_RD(bp, shmem_base +
8907 offsetof(struct shmem_region,
8908 dev_info.port_hw_config[PORT_0].default_cfg));
8909 switch (phy_gpio_reset) {
8910 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
8911 *io_gpio = 0;
8912 *io_port = 0;
8913 break;
8914 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
8915 *io_gpio = 1;
8916 *io_port = 0;
8917 break;
8918 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
8919 *io_gpio = 2;
8920 *io_port = 0;
8921 break;
8922 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
8923 *io_gpio = 3;
8924 *io_port = 0;
8925 break;
8926 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
8927 *io_gpio = 0;
8928 *io_port = 1;
8929 break;
8930 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
8931 *io_gpio = 1;
8932 *io_port = 1;
8933 break;
8934 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
8935 *io_gpio = 2;
8936 *io_port = 1;
8937 break;
8938 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
8939 *io_gpio = 3;
8940 *io_port = 1;
8941 break;
8942 default:
8943 /* Don't override the io_gpio and io_port */
8944 break;
8945 }
8946}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008947
8948static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
8949 u32 shmem_base_path[],
8950 u32 shmem2_base_path[], u8 phy_index,
8951 u32 chip_id)
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008952{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008953 s8 port, reset_gpio;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008954 u32 swap_val, swap_override;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008955 struct bnx2x_phy phy[PORT_MAX];
8956 struct bnx2x_phy *phy_blk[PORT_MAX];
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008957 s8 port_of_path;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008958 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
8959 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008960
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008961 reset_gpio = MISC_REGISTERS_GPIO_1;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008962 port = 1;
8963
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008964 /*
8965 * Retrieve the reset gpio/port which control the reset.
8966 * Default is GPIO1, PORT1
8967 */
8968 bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
8969 (u8 *)&reset_gpio, (u8 *)&port);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008970
8971 /* Calculate the port based on port swap */
8972 port ^= (swap_val && swap_override);
8973
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008974 /* Initiate PHY reset*/
8975 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
8976 port);
8977 msleep(1);
8978 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
8979 port);
8980
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008981 msleep(5);
8982
8983 /* PART1 - Reset both phys */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008984 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008985 u32 shmem_base, shmem2_base;
8986
8987 /* In E2, same phy is using for port0 of the two paths */
8988 if (CHIP_IS_E2(bp)) {
8989 shmem_base = shmem_base_path[port];
8990 shmem2_base = shmem2_base_path[port];
8991 port_of_path = 0;
8992 } else {
8993 shmem_base = shmem_base_path[0];
8994 shmem2_base = shmem2_base_path[0];
8995 port_of_path = port;
8996 }
8997
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008998 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008999 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009000 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +00009001 0) {
9002 DP(NETIF_MSG_LINK, "populate phy failed\n");
9003 return -EINVAL;
9004 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009005 /* disable attentions */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009006 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
9007 port_of_path*4,
9008 (NIG_MASK_XGXS0_LINK_STATUS |
9009 NIG_MASK_XGXS0_LINK10G |
9010 NIG_MASK_SERDES0_LINK_STATUS |
9011 NIG_MASK_MI_INT));
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009012
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009013
9014 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00009015 bnx2x_cl45_write(bp, &phy[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009016 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009017 }
9018
9019 /* Add delay of 150ms after reset */
9020 msleep(150);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00009021 if (phy[PORT_0].addr & 0x1) {
9022 phy_blk[PORT_0] = &(phy[PORT_1]);
9023 phy_blk[PORT_1] = &(phy[PORT_0]);
9024 } else {
9025 phy_blk[PORT_0] = &(phy[PORT_0]);
9026 phy_blk[PORT_1] = &(phy[PORT_1]);
9027 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009028 /* PART2 - Download firmware to both phys */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00009029 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00009030 if (CHIP_IS_E2(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009031 port_of_path = 0;
9032 else
9033 port_of_path = port;
9034 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
9035 phy_blk[port]->addr);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00009036 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
9037 port_of_path))
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009038 return -EINVAL;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009039
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00009040 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009041 return 0;
9042}
9043
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009044static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
9045 u32 shmem2_base_path[], u8 phy_index,
9046 u32 ext_phy_type, u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -07009047{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009048 int rc = 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07009049
9050 switch (ext_phy_type) {
9051 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009052 rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
9053 shmem2_base_path,
9054 phy_index, chip_id);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07009055 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00009056 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009057 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
9058 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009059 rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
9060 shmem2_base_path,
9061 phy_index, chip_id);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009062 break;
9063
Eilon Greenstein589abe32009-02-12 08:36:55 +00009064 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009065 /*
9066 * GPIO1 affects both ports, so there's need to pull
9067 * it for single port alone
9068 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009069 rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
9070 shmem2_base_path,
9071 phy_index, chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009072 break;
9073 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
9074 rc = -EINVAL;
Yaniv Rosner4f60dab2009-11-05 19:18:23 +02009075 break;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07009076 default:
9077 DP(NETIF_MSG_LINK,
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00009078 "ext_phy 0x%x common init not required\n",
9079 ext_phy_type);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07009080 break;
9081 }
9082
Yaniv Rosner6d870c32011-01-31 04:22:20 +00009083 if (rc != 0)
9084 netdev_err(bp->dev, "Warning: PHY was not initialized,"
9085 " Port %d\n",
9086 0);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07009087 return rc;
9088}
9089
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009090int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
9091 u32 shmem2_base_path[], u32 chip_id)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009092{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00009093 int rc = 0;
Yaniv Rosnerb21a3422011-01-18 04:33:24 +00009094 u32 phy_ver;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009095 u8 phy_index;
9096 u32 ext_phy_type, ext_phy_config;
Yaniv Rosnera198c142011-05-31 21:29:42 +00009097 bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
9098 bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009099 DP(NETIF_MSG_LINK, "Begin common phy init\n");
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00009100
Yaniv Rosnerb21a3422011-01-18 04:33:24 +00009101 /* Check if common init was already done */
9102 phy_ver = REG_RD(bp, shmem_base_path[0] +
9103 offsetof(struct shmem_region,
9104 port_mb[PORT_0].ext_phy_fw_version));
9105 if (phy_ver) {
9106 DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
9107 phy_ver);
9108 return 0;
9109 }
9110
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009111 /* Read the ext_phy_type for arbitrary port(0) */
9112 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
9113 phy_index++) {
9114 ext_phy_config = bnx2x_get_ext_phy_config(bp,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009115 shmem_base_path[0],
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009116 phy_index, 0);
9117 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009118 rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
9119 shmem2_base_path,
9120 phy_index, ext_phy_type,
9121 chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009122 }
9123 return rc;
9124}
9125
9126u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00009127{
9128 u8 phy_index;
9129 struct bnx2x_phy phy;
9130 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
9131 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009132 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00009133 0, &phy) != 0) {
9134 DP(NETIF_MSG_LINK, "populate phy failed\n");
9135 return 0;
9136 }
9137
9138 if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
9139 return 1;
9140 }
9141 return 0;
9142}
9143
9144u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
9145 u32 shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009146 u32 shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00009147 u8 port)
9148{
9149 u8 phy_index, fan_failure_det_req = 0;
9150 struct bnx2x_phy phy;
9151 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
9152 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009153 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00009154 port, &phy)
9155 != 0) {
9156 DP(NETIF_MSG_LINK, "populate phy failed\n");
9157 return 0;
9158 }
9159 fan_failure_det_req |= (phy.flags &
9160 FLAGS_FAN_FAILURE_DET_REQ);
9161 }
9162 return fan_failure_det_req;
9163}
9164
9165void bnx2x_hw_reset_phy(struct link_params *params)
9166{
9167 u8 phy_index;
9168 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
9169 phy_index++) {
9170 if (params->phy[phy_index].hw_reset) {
9171 params->phy[phy_index].hw_reset(
9172 &params->phy[phy_index],
9173 params);
9174 params->phy[phy_index] = phy_null;
9175 }
9176 }
9177}
Yaniv Rosner020c7e32011-05-31 21:28:43 +00009178
9179void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
9180 u32 chip_id, u32 shmem_base, u32 shmem2_base,
9181 u8 port)
9182{
9183 u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
9184 u32 val;
9185 u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
9186
9187 {
9188 struct bnx2x_phy phy;
9189 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
9190 phy_index++) {
9191 if (bnx2x_populate_phy(bp, phy_index, shmem_base,
9192 shmem2_base, port, &phy)
9193 != 0) {
9194 DP(NETIF_MSG_LINK, "populate phy failed\n");
9195 return;
9196 }
9197 if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
9198 gpio_num = MISC_REGISTERS_GPIO_3;
9199 gpio_port = port;
9200 break;
9201 }
9202 }
9203 }
9204
9205 if (gpio_num == 0xff)
9206 return;
9207
9208 /* Set GPIO3 to trigger SFP+ module insertion/removal */
9209 bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
9210
9211 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
9212 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
9213 gpio_port ^= (swap_val && swap_override);
9214
9215 vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
9216 (gpio_num + (gpio_port << 2));
9217
9218 sync_offset = shmem_base +
9219 offsetof(struct shmem_region,
9220 dev_info.port_hw_config[port].aeu_int_mask);
9221 REG_WR(bp, sync_offset, vars->aeu_int_mask);
9222
9223 DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
9224 gpio_num, gpio_port, vars->aeu_int_mask);
9225
9226 if (port == 0)
9227 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
9228 else
9229 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
9230
9231 /* Open appropriate AEU for interrupts */
9232 aeu_mask = REG_RD(bp, offset);
9233 aeu_mask |= vars->aeu_int_mask;
9234 REG_WR(bp, offset, aeu_mask);
9235
9236 /* Enable the GPIO to trigger interrupt */
9237 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
9238 val |= 1 << (gpio_num + (gpio_port << 2));
9239 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
9240}