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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"
28
29/********************************************************/
Eilon Greenstein3196a882008-08-13 15:58:49 -070030#define ETH_HLEN 14
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000031/* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
32#define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070033#define ETH_MIN_PACKET_SIZE 60
34#define ETH_MAX_PACKET_SIZE 1500
35#define ETH_MAX_JUMBO_PACKET_SIZE 9600
36#define MDIO_ACCESS_TIMEOUT 1000
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000037#define BMAC_CONTROL_RX_ENABLE 2
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070038
39/***********************************************************/
Eilon Greenstein3196a882008-08-13 15:58:49 -070040/* Shortcut definitions */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070041/***********************************************************/
42
Eilon Greenstein2f904462009-08-12 08:22:16 +000043#define NIG_LATCH_BC_ENABLE_MI_INT 0
44
45#define NIG_STATUS_EMAC0_MI_INT \
46 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070047#define NIG_STATUS_XGXS0_LINK10G \
48 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
49#define NIG_STATUS_XGXS0_LINK_STATUS \
50 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
51#define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
52 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
53#define NIG_STATUS_SERDES0_LINK_STATUS \
54 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
55#define NIG_MASK_MI_INT \
56 NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
57#define NIG_MASK_XGXS0_LINK10G \
58 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
59#define NIG_MASK_XGXS0_LINK_STATUS \
60 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
61#define NIG_MASK_SERDES0_LINK_STATUS \
62 NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
63
64#define MDIO_AN_CL73_OR_37_COMPLETE \
65 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
66 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
67
68#define XGXS_RESET_BITS \
69 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
70 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
71 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
72 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
73 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
74
75#define SERDES_RESET_BITS \
76 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
77 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
78 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
79 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
80
81#define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
82#define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
Yaniv Rosnercd88cce2011-01-31 04:21:34 +000083#define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
Eilon Greenstein3196a882008-08-13 15:58:49 -070084#define AUTONEG_PARALLEL \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070085 SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
Eilon Greenstein3196a882008-08-13 15:58:49 -070086#define AUTONEG_SGMII_FIBER_AUTODET \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070087 SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
Eilon Greenstein3196a882008-08-13 15:58:49 -070088#define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070089
90#define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
91 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
92#define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
93 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
94#define GP_STATUS_SPEED_MASK \
95 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
96#define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
97#define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
98#define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
99#define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
100#define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
101#define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
102#define GP_STATUS_10G_HIG \
103 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
104#define GP_STATUS_10G_CX4 \
105 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
106#define GP_STATUS_12G_HIG \
107 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12G_HIG
108#define GP_STATUS_12_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12_5G
109#define GP_STATUS_13G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_13G
110#define GP_STATUS_15G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_15G
111#define GP_STATUS_16G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_16G
112#define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
113#define GP_STATUS_10G_KX4 \
114 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
115
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000116#define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
117#define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700118#define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000119#define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700120#define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
121#define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
122#define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
123#define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
124#define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
125#define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
126#define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000127#define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
128#define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
129#define LINK_12GTFD LINK_STATUS_SPEED_AND_DUPLEX_12GTFD
130#define LINK_12GXFD LINK_STATUS_SPEED_AND_DUPLEX_12GXFD
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700131#define LINK_12_5GTFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GTFD
132#define LINK_12_5GXFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GXFD
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000133#define LINK_13GTFD LINK_STATUS_SPEED_AND_DUPLEX_13GTFD
134#define LINK_13GXFD LINK_STATUS_SPEED_AND_DUPLEX_13GXFD
135#define LINK_15GTFD LINK_STATUS_SPEED_AND_DUPLEX_15GTFD
136#define LINK_15GXFD LINK_STATUS_SPEED_AND_DUPLEX_15GXFD
137#define LINK_16GTFD LINK_STATUS_SPEED_AND_DUPLEX_16GTFD
138#define LINK_16GXFD LINK_STATUS_SPEED_AND_DUPLEX_16GXFD
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700139
140#define PHY_XGXS_FLAG 0x1
141#define PHY_SGMII_FLAG 0x2
142#define PHY_SERDES_FLAG 0x4
143
Eilon Greenstein589abe32009-02-12 08:36:55 +0000144/* */
145#define SFP_EEPROM_CON_TYPE_ADDR 0x2
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000146 #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
Eilon Greenstein589abe32009-02-12 08:36:55 +0000147 #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
148
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000149
150#define SFP_EEPROM_COMP_CODE_ADDR 0x3
151 #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
152 #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
153 #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
154
Eilon Greenstein589abe32009-02-12 08:36:55 +0000155#define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
156 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000157 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000158
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000159#define SFP_EEPROM_OPTIONS_ADDR 0x40
Eilon Greenstein589abe32009-02-12 08:36:55 +0000160 #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000161#define SFP_EEPROM_OPTIONS_SIZE 2
Eilon Greenstein589abe32009-02-12 08:36:55 +0000162
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000163#define EDC_MODE_LINEAR 0x0022
164#define EDC_MODE_LIMITING 0x0044
165#define EDC_MODE_PASSIVE_DAC 0x0055
Eilon Greenstein589abe32009-02-12 08:36:55 +0000166
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000167
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000168#define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
169#define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700170/**********************************************************/
171/* INTERFACE */
172/**********************************************************/
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000173
Yaniv Rosnercd2be892011-01-31 04:21:45 +0000174#define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000175 bnx2x_cl45_write(_bp, _phy, \
Yaniv Rosner7aa07112010-09-07 11:41:01 +0000176 (_phy)->def_md_devad, \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700177 (_bank + (_addr & 0xf)), \
178 _val)
179
Yaniv Rosnercd2be892011-01-31 04:21:45 +0000180#define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000181 bnx2x_cl45_read(_bp, _phy, \
Yaniv Rosner7aa07112010-09-07 11:41:01 +0000182 (_phy)->def_md_devad, \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700183 (_bank + (_addr & 0xf)), \
184 _val)
185
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700186static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
187{
188 u32 val = REG_RD(bp, reg);
189
190 val |= bits;
191 REG_WR(bp, reg, val);
192 return val;
193}
194
195static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
196{
197 u32 val = REG_RD(bp, reg);
198
199 val &= ~bits;
200 REG_WR(bp, reg, val);
201 return val;
202}
203
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000204/******************************************************************/
205/* ETS section */
206/******************************************************************/
207void bnx2x_ets_disabled(struct link_params *params)
208{
209 /* ETS disabled configuration*/
210 struct bnx2x *bp = params->bp;
211
212 DP(NETIF_MSG_LINK, "ETS disabled configuration\n");
213
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000214 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000215 * mapping between entry priority to client number (0,1,2 -debug and
216 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
217 * 3bits client num.
218 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
219 * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
220 */
221
222 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000223 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000224 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
225 * as strict. Bits 0,1,2 - debug and management entries, 3 -
226 * COS0 entry, 4 - COS1 entry.
227 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
228 * bit4 bit3 bit2 bit1 bit0
229 * MCP and debug are strict
230 */
231
232 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
233 /* defines which entries (clients) are subjected to WFQ arbitration */
234 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000235 /*
236 * For strict priority entries defines the number of consecutive
237 * slots for the highest priority.
238 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000239 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000240 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000241 * mapping between the CREDIT_WEIGHT registers and actual client
242 * numbers
243 */
244 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
245 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
246 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
247
248 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
249 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
250 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
251 /* ETS mode disable */
252 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000253 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000254 * If ETS mode is enabled (there is no strict priority) defines a WFQ
255 * weight for COS0/COS1.
256 */
257 REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
258 REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
259 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
260 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
261 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
262 /* Defines the number of consecutive slots for the strict priority */
263 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
264}
265
Yaniv Rosner65a001b2011-01-31 04:22:03 +0000266static void bnx2x_ets_bw_limit_common(const struct link_params *params)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000267{
268 /* ETS disabled configuration */
269 struct bnx2x *bp = params->bp;
270 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000271 /*
272 * defines which entries (clients) are subjected to WFQ arbitration
273 * COS0 0x8
274 * COS1 0x10
275 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000276 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000277 /*
278 * mapping between the ARB_CREDIT_WEIGHT registers and actual
279 * client numbers (WEIGHT_0 does not actually have to represent
280 * client 0)
281 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
282 * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
283 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000284 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
285
286 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
287 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
288 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
289 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
290
291 /* ETS mode enabled*/
292 REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
293
294 /* Defines the number of consecutive slots for the strict priority */
295 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000296 /*
297 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
298 * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
299 * entry, 4 - COS1 entry.
300 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
301 * bit4 bit3 bit2 bit1 bit0
302 * MCP and debug are strict
303 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000304 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
305
306 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
307 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
308 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
309 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
310 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
311}
312
313void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
314 const u32 cos1_bw)
315{
316 /* ETS disabled configuration*/
317 struct bnx2x *bp = params->bp;
318 const u32 total_bw = cos0_bw + cos1_bw;
319 u32 cos0_credit_weight = 0;
320 u32 cos1_credit_weight = 0;
321
322 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
323
324 if ((0 == total_bw) ||
325 (0 == cos0_bw) ||
326 (0 == cos1_bw)) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000327 DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000328 return;
329 }
330
331 cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
332 total_bw;
333 cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
334 total_bw;
335
336 bnx2x_ets_bw_limit_common(params);
337
338 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
339 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
340
341 REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
342 REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
343}
344
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +0000345int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000346{
347 /* ETS disabled configuration*/
348 struct bnx2x *bp = params->bp;
349 u32 val = 0;
350
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000351 DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000352 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000353 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
354 * as strict. Bits 0,1,2 - debug and management entries,
355 * 3 - COS0 entry, 4 - COS1 entry.
356 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
357 * bit4 bit3 bit2 bit1 bit0
358 * MCP and debug are strict
359 */
360 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000361 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000362 * For strict priority entries defines the number of consecutive slots
363 * for the highest priority.
364 */
365 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
366 /* ETS mode disable */
367 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
368 /* Defines the number of consecutive slots for the strict priority */
369 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
370
371 /* Defines the number of consecutive slots for the strict priority */
372 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
373
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000374 /*
375 * mapping between entry priority to client number (0,1,2 -debug and
376 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
377 * 3bits client num.
378 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
379 * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
380 * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
381 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000382 val = (0 == strict_cos) ? 0x2318 : 0x22E0;
383 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
384
385 return 0;
386}
387/******************************************************************/
Dmitry Kravkove8920672011-05-04 23:52:40 +0000388/* PFC section */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000389/******************************************************************/
390
391static void bnx2x_bmac2_get_pfc_stat(struct link_params *params,
392 u32 pfc_frames_sent[2],
393 u32 pfc_frames_received[2])
394{
395 /* Read pfc statistic */
396 struct bnx2x *bp = params->bp;
397 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
398 NIG_REG_INGRESS_BMAC0_MEM;
399
400 DP(NETIF_MSG_LINK, "pfc statistic read from BMAC\n");
401
402 REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_STAT_GTPP,
403 pfc_frames_sent, 2);
404
405 REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_STAT_GRPP,
406 pfc_frames_received, 2);
407
408}
409static void bnx2x_emac_get_pfc_stat(struct link_params *params,
410 u32 pfc_frames_sent[2],
411 u32 pfc_frames_received[2])
412{
413 /* Read pfc statistic */
414 struct bnx2x *bp = params->bp;
415 u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
416 u32 val_xon = 0;
417 u32 val_xoff = 0;
418
419 DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
420
421 /* PFC received frames */
422 val_xoff = REG_RD(bp, emac_base +
423 EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
424 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
425 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
426 val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
427
428 pfc_frames_received[0] = val_xon + val_xoff;
429
430 /* PFC received sent */
431 val_xoff = REG_RD(bp, emac_base +
432 EMAC_REG_RX_PFC_STATS_XOFF_SENT);
433 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
434 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
435 val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
436
437 pfc_frames_sent[0] = val_xon + val_xoff;
438}
439
440void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
441 u32 pfc_frames_sent[2],
442 u32 pfc_frames_received[2])
443{
444 /* Read pfc statistic */
445 struct bnx2x *bp = params->bp;
446 u32 val = 0;
447 DP(NETIF_MSG_LINK, "pfc statistic\n");
448
449 if (!vars->link_up)
450 return;
451
452 val = REG_RD(bp, MISC_REG_RESET_REG_2);
453 if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
454 == 0) {
455 DP(NETIF_MSG_LINK, "About to read stats from EMAC\n");
456 bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
457 pfc_frames_received);
458 } else {
459 DP(NETIF_MSG_LINK, "About to read stats from BMAC\n");
460 bnx2x_bmac2_get_pfc_stat(params, pfc_frames_sent,
461 pfc_frames_received);
462 }
463}
464/******************************************************************/
465/* MAC/PBF section */
466/******************************************************************/
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700467static void bnx2x_emac_init(struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000468 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700469{
470 /* reset and unreset the emac core */
471 struct bnx2x *bp = params->bp;
472 u8 port = params->port;
473 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
474 u32 val;
475 u16 timeout;
476
477 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000478 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700479 udelay(5);
480 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000481 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700482
483 /* init emac - use read-modify-write */
484 /* self clear reset */
485 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
Eilon Greenstein3196a882008-08-13 15:58:49 -0700486 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700487
488 timeout = 200;
Eilon Greenstein3196a882008-08-13 15:58:49 -0700489 do {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700490 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
491 DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
492 if (!timeout) {
493 DP(NETIF_MSG_LINK, "EMAC timeout!\n");
494 return;
495 }
496 timeout--;
Eilon Greenstein3196a882008-08-13 15:58:49 -0700497 } while (val & EMAC_MODE_RESET);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700498
499 /* Set mac address */
500 val = ((params->mac_addr[0] << 8) |
501 params->mac_addr[1]);
Eilon Greenstein3196a882008-08-13 15:58:49 -0700502 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700503
504 val = ((params->mac_addr[2] << 24) |
505 (params->mac_addr[3] << 16) |
506 (params->mac_addr[4] << 8) |
507 params->mac_addr[5]);
Eilon Greenstein3196a882008-08-13 15:58:49 -0700508 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700509}
510
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +0000511static int bnx2x_emac_enable(struct link_params *params,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +0000512 struct link_vars *vars, u8 lb)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700513{
514 struct bnx2x *bp = params->bp;
515 u8 port = params->port;
516 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
517 u32 val;
518
519 DP(NETIF_MSG_LINK, "enabling EMAC\n");
520
521 /* enable emac and not bmac */
522 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
523
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700524 /* ASIC */
525 if (vars->phy_flags & PHY_XGXS_FLAG) {
526 u32 ser_lane = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000527 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
528 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700529
530 DP(NETIF_MSG_LINK, "XGXS\n");
531 /* select the master lanes (out of 0-3) */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000532 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700533 /* select XGXS */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000534 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700535
536 } else { /* SerDes */
537 DP(NETIF_MSG_LINK, "SerDes\n");
538 /* select SerDes */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000539 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700540 }
541
Eilon Greenstein811a2f22009-02-12 08:37:04 +0000542 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000543 EMAC_RX_MODE_RESET);
Eilon Greenstein811a2f22009-02-12 08:37:04 +0000544 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000545 EMAC_TX_MODE_RESET);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700546
547 if (CHIP_REV_IS_SLOW(bp)) {
548 /* config GMII mode */
549 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000550 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700551 } else { /* ASIC */
552 /* pause enable/disable */
553 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
554 EMAC_RX_MODE_FLOW_EN);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700555
556 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000557 (EMAC_TX_MODE_EXT_PAUSE_EN |
558 EMAC_TX_MODE_FLOW_EN));
559 if (!(params->feature_config_flags &
560 FEATURE_CONFIG_PFC_ENABLED)) {
561 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
562 bnx2x_bits_en(bp, emac_base +
563 EMAC_REG_EMAC_RX_MODE,
564 EMAC_RX_MODE_FLOW_EN);
565
566 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
567 bnx2x_bits_en(bp, emac_base +
568 EMAC_REG_EMAC_TX_MODE,
569 (EMAC_TX_MODE_EXT_PAUSE_EN |
570 EMAC_TX_MODE_FLOW_EN));
571 } else
572 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
573 EMAC_TX_MODE_FLOW_EN);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700574 }
575
576 /* KEEP_VLAN_TAG, promiscuous */
577 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
578 val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000579
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000580 /*
581 * Setting this bit causes MAC control frames (except for pause
582 * frames) to be passed on for processing. This setting has no
583 * affect on the operation of the pause frames. This bit effects
584 * all packets regardless of RX Parser packet sorting logic.
585 * Turn the PFC off to make sure we are in Xon state before
586 * enabling it.
587 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000588 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
589 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
590 DP(NETIF_MSG_LINK, "PFC is enabled\n");
591 /* Enable PFC again */
592 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
593 EMAC_REG_RX_PFC_MODE_RX_EN |
594 EMAC_REG_RX_PFC_MODE_TX_EN |
595 EMAC_REG_RX_PFC_MODE_PRIORITIES);
596
597 EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
598 ((0x0101 <<
599 EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
600 (0x00ff <<
601 EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
602 val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
603 }
Eilon Greenstein3196a882008-08-13 15:58:49 -0700604 EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700605
606 /* Set Loopback */
607 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
608 if (lb)
609 val |= 0x810;
610 else
611 val &= ~0x810;
Eilon Greenstein3196a882008-08-13 15:58:49 -0700612 EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700613
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +0000614 /* enable emac */
615 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
616
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700617 /* enable emac for jumbo packets */
Eilon Greenstein3196a882008-08-13 15:58:49 -0700618 EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700619 (EMAC_RX_MTU_SIZE_JUMBO_ENA |
620 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
621
622 /* strip CRC */
623 REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
624
625 /* disable the NIG in/out to the bmac */
626 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
627 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
628 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
629
630 /* enable the NIG in/out to the emac */
631 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
632 val = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000633 if ((params->feature_config_flags &
634 FEATURE_CONFIG_PFC_ENABLED) ||
635 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700636 val = 1;
637
638 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
639 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
640
Yaniv Rosner02a23162011-01-31 04:22:53 +0000641 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700642
643 vars->mac_type = MAC_TYPE_EMAC;
644 return 0;
645}
646
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000647static void bnx2x_update_pfc_bmac1(struct link_params *params,
648 struct link_vars *vars)
649{
650 u32 wb_data[2];
651 struct bnx2x *bp = params->bp;
652 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
653 NIG_REG_INGRESS_BMAC0_MEM;
654
655 u32 val = 0x14;
656 if ((!(params->feature_config_flags &
657 FEATURE_CONFIG_PFC_ENABLED)) &&
658 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
659 /* Enable BigMAC to react on received Pause packets */
660 val |= (1<<5);
661 wb_data[0] = val;
662 wb_data[1] = 0;
663 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
664
665 /* tx control */
666 val = 0xc0;
667 if (!(params->feature_config_flags &
668 FEATURE_CONFIG_PFC_ENABLED) &&
669 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
670 val |= 0x800000;
671 wb_data[0] = val;
672 wb_data[1] = 0;
673 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
674}
675
676static void bnx2x_update_pfc_bmac2(struct link_params *params,
677 struct link_vars *vars,
678 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000679{
680 /*
681 * Set rx control: Strip CRC and enable BigMAC to relay
682 * control packets to the system as well
683 */
684 u32 wb_data[2];
685 struct bnx2x *bp = params->bp;
686 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
687 NIG_REG_INGRESS_BMAC0_MEM;
688 u32 val = 0x14;
689
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000690 if ((!(params->feature_config_flags &
691 FEATURE_CONFIG_PFC_ENABLED)) &&
692 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000693 /* Enable BigMAC to react on received Pause packets */
694 val |= (1<<5);
695 wb_data[0] = val;
696 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000697 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000698 udelay(30);
699
700 /* Tx control */
701 val = 0xc0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000702 if (!(params->feature_config_flags &
703 FEATURE_CONFIG_PFC_ENABLED) &&
704 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000705 val |= 0x800000;
706 wb_data[0] = val;
707 wb_data[1] = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000708 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000709
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000710 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
711 DP(NETIF_MSG_LINK, "PFC is enabled\n");
712 /* Enable PFC RX & TX & STATS and set 8 COS */
713 wb_data[0] = 0x0;
714 wb_data[0] |= (1<<0); /* RX */
715 wb_data[0] |= (1<<1); /* TX */
716 wb_data[0] |= (1<<2); /* Force initial Xon */
717 wb_data[0] |= (1<<3); /* 8 cos */
718 wb_data[0] |= (1<<5); /* STATS */
719 wb_data[1] = 0;
720 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
721 wb_data, 2);
722 /* Clear the force Xon */
723 wb_data[0] &= ~(1<<2);
724 } else {
725 DP(NETIF_MSG_LINK, "PFC is disabled\n");
726 /* disable PFC RX & TX & STATS and set 8 COS */
727 wb_data[0] = 0x8;
728 wb_data[1] = 0;
729 }
730
731 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
732
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000733 /*
734 * Set Time (based unit is 512 bit time) between automatic
735 * re-sending of PP packets amd enable automatic re-send of
736 * Per-Priroity Packet as long as pp_gen is asserted and
737 * pp_disable is low.
738 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000739 val = 0x8000;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000740 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
741 val |= (1<<16); /* enable automatic re-send */
742
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000743 wb_data[0] = val;
744 wb_data[1] = 0;
745 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000746 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000747
748 /* mac control */
749 val = 0x3; /* Enable RX and TX */
750 if (is_lb) {
751 val |= 0x4; /* Local loopback */
752 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
753 }
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000754 /* When PFC enabled, Pass pause frames towards the NIG. */
755 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
756 val |= ((1<<6)|(1<<5));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000757
758 wb_data[0] = val;
759 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000760 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000761}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700762
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000763static void bnx2x_update_pfc_brb(struct link_params *params,
764 struct link_vars *vars,
765 struct bnx2x_nig_brb_pfc_port_params *pfc_params)
766{
767 struct bnx2x *bp = params->bp;
768 int set_pfc = params->feature_config_flags &
769 FEATURE_CONFIG_PFC_ENABLED;
770
771 /* default - pause configuration */
772 u32 pause_xoff_th = PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE;
773 u32 pause_xon_th = PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE;
774 u32 full_xoff_th = PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE;
775 u32 full_xon_th = PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE;
776
777 if (set_pfc && pfc_params)
778 /* First COS */
779 if (!pfc_params->cos0_pauseable) {
780 pause_xoff_th =
781 PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE;
782 pause_xon_th =
783 PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE;
784 full_xoff_th =
785 PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE;
786 full_xon_th =
787 PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE;
788 }
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000789 /*
790 * The number of free blocks below which the pause signal to class 0
791 * of MAC #n is asserted. n=0,1
792 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000793 REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 , pause_xoff_th);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000794 /*
795 * The number of free blocks above which the pause signal to class 0
796 * of MAC #n is de-asserted. n=0,1
797 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000798 REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , pause_xon_th);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000799 /*
800 * The number of free blocks below which the full signal to class 0
801 * of MAC #n is asserted. n=0,1
802 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000803 REG_WR(bp, BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , full_xoff_th);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000804 /*
805 * The number of free blocks above which the full signal to class 0
806 * of MAC #n is de-asserted. n=0,1
807 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000808 REG_WR(bp, BRB1_REG_FULL_0_XON_THRESHOLD_0 , full_xon_th);
809
810 if (set_pfc && pfc_params) {
811 /* Second COS */
812 if (pfc_params->cos1_pauseable) {
813 pause_xoff_th =
814 PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE;
815 pause_xon_th =
816 PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE;
817 full_xoff_th =
818 PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE;
819 full_xon_th =
820 PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE;
821 } else {
822 pause_xoff_th =
823 PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE;
824 pause_xon_th =
825 PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE;
826 full_xoff_th =
827 PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE;
828 full_xon_th =
829 PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE;
830 }
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000831 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000832 * The number of free blocks below which the pause signal to
833 * class 1 of MAC #n is asserted. n=0,1
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000834 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000835 REG_WR(bp, BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0, pause_xoff_th);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000836 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000837 * The number of free blocks above which the pause signal to
838 * class 1 of MAC #n is de-asserted. n=0,1
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000839 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000840 REG_WR(bp, BRB1_REG_PAUSE_1_XON_THRESHOLD_0, pause_xon_th);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000841 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000842 * The number of free blocks below which the full signal to
843 * class 1 of MAC #n is asserted. n=0,1
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000844 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000845 REG_WR(bp, BRB1_REG_FULL_1_XOFF_THRESHOLD_0, full_xoff_th);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000846 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000847 * The number of free blocks above which the full signal to
848 * class 1 of MAC #n is de-asserted. n=0,1
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000849 */
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000850 REG_WR(bp, BRB1_REG_FULL_1_XON_THRESHOLD_0, full_xon_th);
851 }
852}
853
854static void bnx2x_update_pfc_nig(struct link_params *params,
855 struct link_vars *vars,
856 struct bnx2x_nig_brb_pfc_port_params *nig_params)
857{
858 u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
859 u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
860 u32 pkt_priority_to_cos = 0;
861 u32 val;
862 struct bnx2x *bp = params->bp;
863 int port = params->port;
864 int set_pfc = params->feature_config_flags &
865 FEATURE_CONFIG_PFC_ENABLED;
866 DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
867
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000868 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000869 * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
870 * MAC control frames (that are not pause packets)
871 * will be forwarded to the XCM.
872 */
873 xcm_mask = REG_RD(bp,
874 port ? NIG_REG_LLH1_XCM_MASK :
875 NIG_REG_LLH0_XCM_MASK);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000876 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000877 * nig params will override non PFC params, since it's possible to
878 * do transition from PFC to SAFC
879 */
880 if (set_pfc) {
881 pause_enable = 0;
882 llfc_out_en = 0;
883 llfc_enable = 0;
884 ppp_enable = 1;
885 xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
886 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
887 xcm0_out_en = 0;
888 p0_hwpfc_enable = 1;
889 } else {
890 if (nig_params) {
891 llfc_out_en = nig_params->llfc_out_en;
892 llfc_enable = nig_params->llfc_enable;
893 pause_enable = nig_params->pause_enable;
894 } else /*defaul non PFC mode - PAUSE */
895 pause_enable = 1;
896
897 xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
898 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
899 xcm0_out_en = 1;
900 }
901
902 REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
903 NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
904 REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
905 NIG_REG_LLFC_ENABLE_0, llfc_enable);
906 REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
907 NIG_REG_PAUSE_ENABLE_0, pause_enable);
908
909 REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
910 NIG_REG_PPP_ENABLE_0, ppp_enable);
911
912 REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
913 NIG_REG_LLH0_XCM_MASK, xcm_mask);
914
915 REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
916
917 /* output enable for RX_XCM # IF */
918 REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
919
920 /* HW PFC TX enable */
921 REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
922
923 /* 0x2 = BMAC, 0x1= EMAC */
924 switch (vars->mac_type) {
925 case MAC_TYPE_EMAC:
926 val = 1;
927 break;
928 case MAC_TYPE_BMAC:
929 val = 0;
930 break;
931 default:
932 val = 0;
933 break;
934 }
935 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT, val);
936
937 if (nig_params) {
938 pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
939
940 REG_WR(bp, port ? NIG_REG_P1_RX_COS0_PRIORITY_MASK :
941 NIG_REG_P0_RX_COS0_PRIORITY_MASK,
942 nig_params->rx_cos0_priority_mask);
943
944 REG_WR(bp, port ? NIG_REG_P1_RX_COS1_PRIORITY_MASK :
945 NIG_REG_P0_RX_COS1_PRIORITY_MASK,
946 nig_params->rx_cos1_priority_mask);
947
948 REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
949 NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
950 nig_params->llfc_high_priority_classes);
951
952 REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
953 NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
954 nig_params->llfc_low_priority_classes);
955 }
956 REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
957 NIG_REG_P0_PKT_PRIORITY_TO_COS,
958 pkt_priority_to_cos);
959}
960
961
962void bnx2x_update_pfc(struct link_params *params,
963 struct link_vars *vars,
964 struct bnx2x_nig_brb_pfc_port_params *pfc_params)
965{
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +0000966 /*
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000967 * The PFC and pause are orthogonal to one another, meaning when
968 * PFC is enabled, the pause are disabled, and when PFC is
969 * disabled, pause are set according to the pause result.
970 */
971 u32 val;
972 struct bnx2x *bp = params->bp;
973
974 /* update NIG params */
975 bnx2x_update_pfc_nig(params, vars, pfc_params);
976
977 /* update BRB params */
978 bnx2x_update_pfc_brb(params, vars, pfc_params);
979
980 if (!vars->link_up)
981 return;
982
983 val = REG_RD(bp, MISC_REG_RESET_REG_2);
984 if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
985 == 0) {
986 DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
987 bnx2x_emac_enable(params, vars, 0);
988 return;
989 }
990
991 DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
992 if (CHIP_IS_E2(bp))
993 bnx2x_update_pfc_bmac2(params, vars, 0);
994 else
995 bnx2x_update_pfc_bmac1(params, vars);
996
997 val = 0;
998 if ((params->feature_config_flags &
999 FEATURE_CONFIG_PFC_ENABLED) ||
1000 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1001 val = 1;
1002 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
1003}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001004
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001005static int bnx2x_bmac1_enable(struct link_params *params,
1006 struct link_vars *vars,
1007 u8 is_lb)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001008{
1009 struct bnx2x *bp = params->bp;
1010 u8 port = params->port;
1011 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
1012 NIG_REG_INGRESS_BMAC0_MEM;
1013 u32 wb_data[2];
1014 u32 val;
1015
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001016 DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001017
1018 /* XGXS control */
1019 wb_data[0] = 0x3c;
1020 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001021 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
1022 wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001023
1024 /* tx MAC SA */
1025 wb_data[0] = ((params->mac_addr[2] << 24) |
1026 (params->mac_addr[3] << 16) |
1027 (params->mac_addr[4] << 8) |
1028 params->mac_addr[5]);
1029 wb_data[1] = ((params->mac_addr[0] << 8) |
1030 params->mac_addr[1]);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001031 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001032
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001033 /* mac control */
1034 val = 0x3;
1035 if (is_lb) {
1036 val |= 0x4;
1037 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
1038 }
1039 wb_data[0] = val;
1040 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001041 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001042
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001043 /* set rx mtu */
1044 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
1045 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001046 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001047
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001048 bnx2x_update_pfc_bmac1(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001049
1050 /* set tx mtu */
1051 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
1052 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001053 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001054
1055 /* set cnt max size */
1056 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
1057 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001058 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001059
1060 /* configure safc */
1061 wb_data[0] = 0x1000200;
1062 wb_data[1] = 0;
1063 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
1064 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001065
1066 return 0;
1067}
1068
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001069static int bnx2x_bmac2_enable(struct link_params *params,
1070 struct link_vars *vars,
1071 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001072{
1073 struct bnx2x *bp = params->bp;
1074 u8 port = params->port;
1075 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
1076 NIG_REG_INGRESS_BMAC0_MEM;
1077 u32 wb_data[2];
1078
1079 DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
1080
1081 wb_data[0] = 0;
1082 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001083 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001084 udelay(30);
1085
1086 /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
1087 wb_data[0] = 0x3c;
1088 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001089 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
1090 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001091
1092 udelay(30);
1093
1094 /* tx MAC SA */
1095 wb_data[0] = ((params->mac_addr[2] << 24) |
1096 (params->mac_addr[3] << 16) |
1097 (params->mac_addr[4] << 8) |
1098 params->mac_addr[5]);
1099 wb_data[1] = ((params->mac_addr[0] << 8) |
1100 params->mac_addr[1]);
1101 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001102 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001103
1104 udelay(30);
1105
1106 /* Configure SAFC */
1107 wb_data[0] = 0x1000200;
1108 wb_data[1] = 0;
1109 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001110 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001111 udelay(30);
1112
1113 /* set rx mtu */
1114 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
1115 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001116 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001117 udelay(30);
1118
1119 /* set tx mtu */
1120 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
1121 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001122 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001123 udelay(30);
1124 /* set cnt max size */
1125 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
1126 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001127 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001128 udelay(30);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001129 bnx2x_update_pfc_bmac2(params, vars, is_lb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001130
1131 return 0;
1132}
1133
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001134static int bnx2x_bmac_enable(struct link_params *params,
1135 struct link_vars *vars,
1136 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001137{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001138 int rc = 0;
1139 u8 port = params->port;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001140 struct bnx2x *bp = params->bp;
1141 u32 val;
1142 /* reset and unreset the BigMac */
1143 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001144 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Yaniv Rosner1d9c05d2010-11-01 05:32:25 +00001145 msleep(1);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001146
1147 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001148 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001149
1150 /* enable access for bmac registers */
1151 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
1152
1153 /* Enable BMAC according to BMAC type*/
1154 if (CHIP_IS_E2(bp))
1155 rc = bnx2x_bmac2_enable(params, vars, is_lb);
1156 else
1157 rc = bnx2x_bmac1_enable(params, vars, is_lb);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001158 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
1159 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
1160 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
1161 val = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001162 if ((params->feature_config_flags &
1163 FEATURE_CONFIG_PFC_ENABLED) ||
1164 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001165 val = 1;
1166 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
1167 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
1168 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
1169 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
1170 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
1171 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
1172
1173 vars->mac_type = MAC_TYPE_BMAC;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001174 return rc;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001175}
1176
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001177
1178static void bnx2x_update_mng(struct link_params *params, u32 link_status)
1179{
1180 struct bnx2x *bp = params->bp;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00001181
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001182 REG_WR(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001183 offsetof(struct shmem_region,
1184 port_mb[params->port].link_status), link_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001185}
1186
1187static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
1188{
1189 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001190 NIG_REG_INGRESS_BMAC0_MEM;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001191 u32 wb_data[2];
Eilon Greenstein3196a882008-08-13 15:58:49 -07001192 u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001193
1194 /* Only if the bmac is out of reset */
1195 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1196 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
1197 nig_bmac_enable) {
1198
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001199 if (CHIP_IS_E2(bp)) {
1200 /* Clear Rx Enable bit in BMAC_CONTROL register */
1201 REG_RD_DMAE(bp, bmac_addr +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001202 BIGMAC2_REGISTER_BMAC_CONTROL,
1203 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001204 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
1205 REG_WR_DMAE(bp, bmac_addr +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001206 BIGMAC2_REGISTER_BMAC_CONTROL,
1207 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001208 } else {
1209 /* Clear Rx Enable bit in BMAC_CONTROL register */
1210 REG_RD_DMAE(bp, bmac_addr +
1211 BIGMAC_REGISTER_BMAC_CONTROL,
1212 wb_data, 2);
1213 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
1214 REG_WR_DMAE(bp, bmac_addr +
1215 BIGMAC_REGISTER_BMAC_CONTROL,
1216 wb_data, 2);
1217 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001218 msleep(1);
1219 }
1220}
1221
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001222static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
1223 u32 line_speed)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001224{
1225 struct bnx2x *bp = params->bp;
1226 u8 port = params->port;
1227 u32 init_crd, crd;
1228 u32 count = 1000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001229
1230 /* disable port */
1231 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
1232
1233 /* wait for init credit */
1234 init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
1235 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
1236 DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
1237
1238 while ((init_crd != crd) && count) {
1239 msleep(5);
1240
1241 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
1242 count--;
1243 }
1244 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
1245 if (init_crd != crd) {
1246 DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
1247 init_crd, crd);
1248 return -EINVAL;
1249 }
1250
David S. Millerc0700f92008-12-16 23:53:20 -08001251 if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001252 line_speed == SPEED_10 ||
1253 line_speed == SPEED_100 ||
1254 line_speed == SPEED_1000 ||
1255 line_speed == SPEED_2500) {
1256 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001257 /* update threshold */
1258 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
1259 /* update init credit */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001260 init_crd = 778; /* (800-18-4) */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001261
1262 } else {
1263 u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
1264 ETH_OVREHEAD)/16;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001265 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001266 /* update threshold */
1267 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
1268 /* update init credit */
1269 switch (line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001270 case SPEED_10000:
1271 init_crd = thresh + 553 - 22;
1272 break;
1273
1274 case SPEED_12000:
1275 init_crd = thresh + 664 - 22;
1276 break;
1277
1278 case SPEED_13000:
1279 init_crd = thresh + 742 - 22;
1280 break;
1281
1282 case SPEED_16000:
1283 init_crd = thresh + 778 - 22;
1284 break;
1285 default:
1286 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
1287 line_speed);
1288 return -EINVAL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001289 }
1290 }
1291 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
1292 DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
1293 line_speed, init_crd);
1294
1295 /* probe the credit changes */
1296 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
1297 msleep(5);
1298 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
1299
1300 /* enable port */
1301 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
1302 return 0;
1303}
1304
Dmitry Kravkove8920672011-05-04 23:52:40 +00001305/**
1306 * bnx2x_get_emac_base - retrive emac base address
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001307 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00001308 * @bp: driver handle
1309 * @mdc_mdio_access: access type
1310 * @port: port id
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001311 *
1312 * This function selects the MDC/MDIO access (through emac0 or
1313 * emac1) depend on the mdc_mdio_access, port, port swapped. Each
1314 * phy has a default access mode, which could also be overridden
1315 * by nvram configuration. This parameter, whether this is the
1316 * default phy configuration, or the nvram overrun
1317 * configuration, is passed here as mdc_mdio_access and selects
1318 * the emac_base for the CL45 read/writes operations
1319 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00001320static u32 bnx2x_get_emac_base(struct bnx2x *bp,
1321 u32 mdc_mdio_access, u8 port)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001322{
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00001323 u32 emac_base = 0;
1324 switch (mdc_mdio_access) {
1325 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
1326 break;
1327 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
1328 if (REG_RD(bp, NIG_REG_PORT_SWAP))
1329 emac_base = GRCBASE_EMAC1;
1330 else
1331 emac_base = GRCBASE_EMAC0;
1332 break;
1333 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
Eilon Greenstein589abe32009-02-12 08:36:55 +00001334 if (REG_RD(bp, NIG_REG_PORT_SWAP))
1335 emac_base = GRCBASE_EMAC0;
1336 else
1337 emac_base = GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001338 break;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00001339 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
1340 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1341 break;
1342 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
Eilon Greenstein6378c022008-08-13 15:59:25 -07001343 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001344 break;
1345 default:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001346 break;
1347 }
1348 return emac_base;
1349
1350}
1351
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001352/******************************************************************/
1353/* CL45 access functions */
1354/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001355static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
1356 u8 devad, u16 reg, u16 val)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001357{
1358 u32 tmp, saved_mode;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001359 u8 i;
1360 int rc = 0;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001361 /*
1362 * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001363 * (a value of 49==0x31) and make sure that the AUTO poll is off
1364 */
Eilon Greenstein589abe32009-02-12 08:36:55 +00001365
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001366 saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001367 tmp = saved_mode & ~(EMAC_MDIO_MODE_AUTO_POLL |
1368 EMAC_MDIO_MODE_CLOCK_CNT);
1369 tmp |= (EMAC_MDIO_MODE_CLAUSE_45 |
1370 (49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001371 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, tmp);
1372 REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001373 udelay(40);
1374
1375 /* address */
1376
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001377 tmp = ((phy->addr << 21) | (devad << 16) | reg |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001378 EMAC_MDIO_COMM_COMMAND_ADDRESS |
1379 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001380 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001381
1382 for (i = 0; i < 50; i++) {
1383 udelay(10);
1384
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001385 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001386 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
1387 udelay(5);
1388 break;
1389 }
1390 }
1391 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
1392 DP(NETIF_MSG_LINK, "write phy register failed\n");
Yaniv Rosner6d870c32011-01-31 04:22:20 +00001393 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001394 rc = -EFAULT;
1395 } else {
1396 /* data */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001397 tmp = ((phy->addr << 21) | (devad << 16) | val |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001398 EMAC_MDIO_COMM_COMMAND_WRITE_45 |
1399 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001400 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001401
1402 for (i = 0; i < 50; i++) {
1403 udelay(10);
1404
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001405 tmp = REG_RD(bp, phy->mdio_ctrl +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001406 EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001407 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
1408 udelay(5);
1409 break;
1410 }
1411 }
1412 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
1413 DP(NETIF_MSG_LINK, "write phy register failed\n");
Yaniv Rosner6d870c32011-01-31 04:22:20 +00001414 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001415 rc = -EFAULT;
1416 }
1417 }
1418
1419 /* Restore the saved mode */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001420 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001421
1422 return rc;
1423}
1424
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001425static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
1426 u8 devad, u16 reg, u16 *ret_val)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001427{
1428 u32 val, saved_mode;
1429 u16 i;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001430 int rc = 0;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001431 /*
1432 * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001433 * (a value of 49==0x31) and make sure that the AUTO poll is off
1434 */
Eilon Greenstein589abe32009-02-12 08:36:55 +00001435
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001436 saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
1437 val = saved_mode & ~((EMAC_MDIO_MODE_AUTO_POLL |
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001438 EMAC_MDIO_MODE_CLOCK_CNT));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001439 val |= (EMAC_MDIO_MODE_CLAUSE_45 |
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00001440 (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001441 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val);
1442 REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001443 udelay(40);
1444
1445 /* address */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001446 val = ((phy->addr << 21) | (devad << 16) | reg |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001447 EMAC_MDIO_COMM_COMMAND_ADDRESS |
1448 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001449 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001450
1451 for (i = 0; i < 50; i++) {
1452 udelay(10);
1453
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001454 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001455 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
1456 udelay(5);
1457 break;
1458 }
1459 }
1460 if (val & EMAC_MDIO_COMM_START_BUSY) {
1461 DP(NETIF_MSG_LINK, "read phy register failed\n");
Yaniv Rosner6d870c32011-01-31 04:22:20 +00001462 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001463 *ret_val = 0;
1464 rc = -EFAULT;
1465
1466 } else {
1467 /* data */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001468 val = ((phy->addr << 21) | (devad << 16) |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001469 EMAC_MDIO_COMM_COMMAND_READ_45 |
1470 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001471 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001472
1473 for (i = 0; i < 50; i++) {
1474 udelay(10);
1475
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001476 val = REG_RD(bp, phy->mdio_ctrl +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001477 EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001478 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
1479 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
1480 break;
1481 }
1482 }
1483 if (val & EMAC_MDIO_COMM_START_BUSY) {
1484 DP(NETIF_MSG_LINK, "read phy register failed\n");
Yaniv Rosner6d870c32011-01-31 04:22:20 +00001485 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001486 *ret_val = 0;
1487 rc = -EFAULT;
1488 }
1489 }
1490
1491 /* Restore the saved mode */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001492 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001493
1494 return rc;
1495}
1496
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001497int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
1498 u8 devad, u16 reg, u16 *ret_val)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001499{
1500 u8 phy_index;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001501 /*
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001502 * Probe for the phy according to the given phy_addr, and execute
1503 * the read request on it
1504 */
1505 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
1506 if (params->phy[phy_index].addr == phy_addr) {
1507 return bnx2x_cl45_read(params->bp,
1508 &params->phy[phy_index], devad,
1509 reg, ret_val);
1510 }
1511 }
1512 return -EINVAL;
1513}
1514
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001515int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
1516 u8 devad, u16 reg, u16 val)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001517{
1518 u8 phy_index;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001519 /*
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001520 * Probe for the phy according to the given phy_addr, and execute
1521 * the write request on it
1522 */
1523 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
1524 if (params->phy[phy_index].addr == phy_addr) {
1525 return bnx2x_cl45_write(params->bp,
1526 &params->phy[phy_index], devad,
1527 reg, val);
1528 }
1529 }
1530 return -EINVAL;
1531}
1532
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001533static void bnx2x_set_aer_mmd_xgxs(struct link_params *params,
1534 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001535{
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001536 u32 ser_lane;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001537 u16 offset, aer_val;
1538 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001539 ser_lane = ((params->lane_config &
1540 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1541 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
1542
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001543 offset = phy->addr + ser_lane;
1544 if (CHIP_IS_E2(bp))
Yaniv Rosner82a0d472011-01-18 04:33:52 +00001545 aer_val = 0x3800 + offset - 1;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001546 else
1547 aer_val = 0x3800 + offset;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00001548 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001549 MDIO_AER_BLOCK_AER_REG, aer_val);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001550}
1551static void bnx2x_set_aer_mmd_serdes(struct bnx2x *bp,
1552 struct bnx2x_phy *phy)
1553{
Yaniv Rosnercd2be892011-01-31 04:21:45 +00001554 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001555 MDIO_REG_BANK_AER_BLOCK,
1556 MDIO_AER_BLOCK_AER_REG, 0x3800);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001557}
1558
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001559/******************************************************************/
1560/* Internal phy section */
1561/******************************************************************/
1562
1563static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
1564{
1565 u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1566
1567 /* Set Clause 22 */
1568 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
1569 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
1570 udelay(500);
1571 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
1572 udelay(500);
1573 /* Set Clause 45 */
1574 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
1575}
1576
1577static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
1578{
1579 u32 val;
1580
1581 DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
1582
1583 val = SERDES_RESET_BITS << (port*16);
1584
1585 /* reset and unreset the SerDes/XGXS */
1586 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
1587 udelay(500);
1588 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
1589
1590 bnx2x_set_serdes_access(bp, port);
1591
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001592 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
1593 DEFAULT_PHY_DEV_ADDR);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001594}
1595
1596static void bnx2x_xgxs_deassert(struct link_params *params)
1597{
1598 struct bnx2x *bp = params->bp;
1599 u8 port;
1600 u32 val;
1601 DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
1602 port = params->port;
1603
1604 val = XGXS_RESET_BITS << (port*16);
1605
1606 /* reset and unreset the SerDes/XGXS */
1607 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
1608 udelay(500);
1609 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
1610
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001611 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001612 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001613 params->phy[INT_PHY].def_md_devad);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001614}
1615
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00001616static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
1617 struct link_params *params, u16 *ieee_fc)
1618{
1619 struct bnx2x *bp = params->bp;
1620 *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
1621 /**
1622 * resolve pause mode and advertisement Please refer to Table
1623 * 28B-3 of the 802.3ab-1999 spec
1624 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001625
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00001626 switch (phy->req_flow_ctrl) {
1627 case BNX2X_FLOW_CTRL_AUTO:
1628 if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
1629 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
1630 else
1631 *ieee_fc |=
1632 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
1633 break;
1634
1635 case BNX2X_FLOW_CTRL_TX:
1636 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
1637 break;
1638
1639 case BNX2X_FLOW_CTRL_RX:
1640 case BNX2X_FLOW_CTRL_BOTH:
1641 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
1642 break;
1643
1644 case BNX2X_FLOW_CTRL_NONE:
1645 default:
1646 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
1647 break;
1648 }
1649 DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
1650}
1651
1652static void set_phy_vars(struct link_params *params,
1653 struct link_vars *vars)
1654{
1655 struct bnx2x *bp = params->bp;
1656 u8 actual_phy_idx, phy_index, link_cfg_idx;
1657 u8 phy_config_swapped = params->multi_phy_config &
1658 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
1659 for (phy_index = INT_PHY; phy_index < params->num_phys;
1660 phy_index++) {
1661 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
1662 actual_phy_idx = phy_index;
1663 if (phy_config_swapped) {
1664 if (phy_index == EXT_PHY1)
1665 actual_phy_idx = EXT_PHY2;
1666 else if (phy_index == EXT_PHY2)
1667 actual_phy_idx = EXT_PHY1;
1668 }
1669 params->phy[actual_phy_idx].req_flow_ctrl =
1670 params->req_flow_ctrl[link_cfg_idx];
1671
1672 params->phy[actual_phy_idx].req_line_speed =
1673 params->req_line_speed[link_cfg_idx];
1674
1675 params->phy[actual_phy_idx].speed_cap_mask =
1676 params->speed_cap_mask[link_cfg_idx];
1677
1678 params->phy[actual_phy_idx].req_duplex =
1679 params->req_duplex[link_cfg_idx];
1680
1681 if (params->req_line_speed[link_cfg_idx] ==
1682 SPEED_AUTO_NEG)
1683 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
1684
1685 DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
1686 " speed_cap_mask %x\n",
1687 params->phy[actual_phy_idx].req_flow_ctrl,
1688 params->phy[actual_phy_idx].req_line_speed,
1689 params->phy[actual_phy_idx].speed_cap_mask);
1690 }
1691}
1692
1693static void bnx2x_ext_phy_set_pause(struct link_params *params,
1694 struct bnx2x_phy *phy,
1695 struct link_vars *vars)
1696{
1697 u16 val;
1698 struct bnx2x *bp = params->bp;
1699 /* read modify write pause advertizing */
1700 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
1701
1702 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
1703
1704 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
1705 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
1706 if ((vars->ieee_fc &
1707 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
1708 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
1709 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
1710 }
1711 if ((vars->ieee_fc &
1712 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
1713 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
1714 val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
1715 }
1716 DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
1717 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
1718}
1719
1720static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
1721{ /* LD LP */
1722 switch (pause_result) { /* ASYM P ASYM P */
1723 case 0xb: /* 1 0 1 1 */
1724 vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
1725 break;
1726
1727 case 0xe: /* 1 1 1 0 */
1728 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
1729 break;
1730
1731 case 0x5: /* 0 1 0 1 */
1732 case 0x7: /* 0 1 1 1 */
1733 case 0xd: /* 1 1 0 1 */
1734 case 0xf: /* 1 1 1 1 */
1735 vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
1736 break;
1737
1738 default:
1739 break;
1740 }
1741 if (pause_result & (1<<0))
1742 vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
1743 if (pause_result & (1<<1))
1744 vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
1745}
1746
1747static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
1748 struct link_params *params,
1749 struct link_vars *vars)
1750{
1751 struct bnx2x *bp = params->bp;
1752 u16 ld_pause; /* local */
1753 u16 lp_pause; /* link partner */
1754 u16 pause_result;
1755 u8 ret = 0;
1756 /* read twice */
1757
1758 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
1759
1760 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
1761 vars->flow_ctrl = phy->req_flow_ctrl;
1762 else if (phy->req_line_speed != SPEED_AUTO_NEG)
1763 vars->flow_ctrl = params->req_fc_auto_adv;
1764 else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
1765 ret = 1;
1766 bnx2x_cl45_read(bp, phy,
1767 MDIO_AN_DEVAD,
1768 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
1769 bnx2x_cl45_read(bp, phy,
1770 MDIO_AN_DEVAD,
1771 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
1772 pause_result = (ld_pause &
1773 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
1774 pause_result |= (lp_pause &
1775 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
1776 DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
1777 pause_result);
1778 bnx2x_pause_resolve(vars, pause_result);
1779 }
1780 return ret;
1781}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001782void bnx2x_link_status_update(struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001783 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001784{
1785 struct bnx2x *bp = params->bp;
1786 u8 link_10g;
1787 u8 port = params->port;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00001788 u32 sync_offset, media_types;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001789 vars->link_status = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001790 offsetof(struct shmem_region,
1791 port_mb[port].link_status));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001792
1793 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
1794
1795 if (vars->link_up) {
1796 DP(NETIF_MSG_LINK, "phy link up\n");
1797
1798 vars->phy_link_up = 1;
1799 vars->duplex = DUPLEX_FULL;
1800 switch (vars->link_status &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001801 LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001802 case LINK_10THD:
1803 vars->duplex = DUPLEX_HALF;
1804 /* fall thru */
1805 case LINK_10TFD:
1806 vars->line_speed = SPEED_10;
1807 break;
1808
1809 case LINK_100TXHD:
1810 vars->duplex = DUPLEX_HALF;
1811 /* fall thru */
1812 case LINK_100T4:
1813 case LINK_100TXFD:
1814 vars->line_speed = SPEED_100;
1815 break;
1816
1817 case LINK_1000THD:
1818 vars->duplex = DUPLEX_HALF;
1819 /* fall thru */
1820 case LINK_1000TFD:
1821 vars->line_speed = SPEED_1000;
1822 break;
1823
1824 case LINK_2500THD:
1825 vars->duplex = DUPLEX_HALF;
1826 /* fall thru */
1827 case LINK_2500TFD:
1828 vars->line_speed = SPEED_2500;
1829 break;
1830
1831 case LINK_10GTFD:
1832 vars->line_speed = SPEED_10000;
1833 break;
1834
1835 case LINK_12GTFD:
1836 vars->line_speed = SPEED_12000;
1837 break;
1838
1839 case LINK_12_5GTFD:
1840 vars->line_speed = SPEED_12500;
1841 break;
1842
1843 case LINK_13GTFD:
1844 vars->line_speed = SPEED_13000;
1845 break;
1846
1847 case LINK_15GTFD:
1848 vars->line_speed = SPEED_15000;
1849 break;
1850
1851 case LINK_16GTFD:
1852 vars->line_speed = SPEED_16000;
1853 break;
1854
1855 default:
1856 break;
1857 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001858 vars->flow_ctrl = 0;
1859 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
1860 vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
1861
1862 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
1863 vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
1864
1865 if (!vars->flow_ctrl)
1866 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
1867
1868 if (vars->line_speed &&
1869 ((vars->line_speed == SPEED_10) ||
1870 (vars->line_speed == SPEED_100))) {
1871 vars->phy_flags |= PHY_SGMII_FLAG;
1872 } else {
1873 vars->phy_flags &= ~PHY_SGMII_FLAG;
1874 }
1875
1876 /* anything 10 and over uses the bmac */
1877 link_10g = ((vars->line_speed == SPEED_10000) ||
1878 (vars->line_speed == SPEED_12000) ||
1879 (vars->line_speed == SPEED_12500) ||
1880 (vars->line_speed == SPEED_13000) ||
1881 (vars->line_speed == SPEED_15000) ||
1882 (vars->line_speed == SPEED_16000));
1883 if (link_10g)
1884 vars->mac_type = MAC_TYPE_BMAC;
1885 else
1886 vars->mac_type = MAC_TYPE_EMAC;
1887
1888 } else { /* link down */
1889 DP(NETIF_MSG_LINK, "phy link down\n");
1890
1891 vars->phy_link_up = 0;
1892
1893 vars->line_speed = 0;
1894 vars->duplex = DUPLEX_FULL;
1895 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
1896
1897 /* indicate no mac active */
1898 vars->mac_type = MAC_TYPE_NONE;
1899 }
1900
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00001901 /* Sync media type */
1902 sync_offset = params->shmem_base +
1903 offsetof(struct shmem_region,
1904 dev_info.port_hw_config[port].media_type);
1905 media_types = REG_RD(bp, sync_offset);
1906
1907 params->phy[INT_PHY].media_type =
1908 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
1909 PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
1910 params->phy[EXT_PHY1].media_type =
1911 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
1912 PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
1913 params->phy[EXT_PHY2].media_type =
1914 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
1915 PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
1916 DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
1917
Yaniv Rosner020c7e32011-05-31 21:28:43 +00001918 /* Sync AEU offset */
1919 sync_offset = params->shmem_base +
1920 offsetof(struct shmem_region,
1921 dev_info.port_hw_config[port].aeu_int_mask);
1922
1923 vars->aeu_int_mask = REG_RD(bp, sync_offset);
1924
1925 DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
1926 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001927 DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
1928 vars->line_speed, vars->duplex, vars->flow_ctrl);
1929}
1930
1931
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001932static void bnx2x_set_master_ln(struct link_params *params,
1933 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001934{
1935 struct bnx2x *bp = params->bp;
1936 u16 new_master_ln, ser_lane;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001937 ser_lane = ((params->lane_config &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001938 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001939 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001940
1941 /* set the master_ln for AN */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00001942 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001943 MDIO_REG_BANK_XGXS_BLOCK2,
1944 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
1945 &new_master_ln);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001946
Yaniv Rosnercd2be892011-01-31 04:21:45 +00001947 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001948 MDIO_REG_BANK_XGXS_BLOCK2 ,
1949 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
1950 (new_master_ln | ser_lane));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001951}
1952
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001953static int bnx2x_reset_unicore(struct link_params *params,
1954 struct bnx2x_phy *phy,
1955 u8 set_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001956{
1957 struct bnx2x *bp = params->bp;
1958 u16 mii_control;
1959 u16 i;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00001960 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001961 MDIO_REG_BANK_COMBO_IEEE0,
1962 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001963
1964 /* reset the unicore */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00001965 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001966 MDIO_REG_BANK_COMBO_IEEE0,
1967 MDIO_COMBO_IEEE0_MII_CONTROL,
1968 (mii_control |
1969 MDIO_COMBO_IEEO_MII_CONTROL_RESET));
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001970 if (set_serdes)
1971 bnx2x_set_serdes_access(bp, params->port);
Eilon Greensteinc1b73992009-02-12 08:37:07 +00001972
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001973 /* wait for the reset to self clear */
1974 for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
1975 udelay(5);
1976
1977 /* the reset erased the previous bank value */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00001978 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001979 MDIO_REG_BANK_COMBO_IEEE0,
1980 MDIO_COMBO_IEEE0_MII_CONTROL,
1981 &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001982
1983 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
1984 udelay(5);
1985 return 0;
1986 }
1987 }
1988
Yaniv Rosner6d870c32011-01-31 04:22:20 +00001989 netdev_err(bp->dev, "Warning: PHY was not initialized,"
1990 " Port %d\n",
1991 params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001992 DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
1993 return -EINVAL;
1994
1995}
1996
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001997static void bnx2x_set_swap_lanes(struct link_params *params,
1998 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001999{
2000 struct bnx2x *bp = params->bp;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002001 /*
2002 * Each two bits represents a lane number:
2003 * No swap is 0123 => 0x1b no need to enable the swap
2004 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002005 u16 ser_lane, rx_lane_swap, tx_lane_swap;
2006
2007 ser_lane = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002008 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
2009 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002010 rx_lane_swap = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002011 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
2012 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002013 tx_lane_swap = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002014 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
2015 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002016
2017 if (rx_lane_swap != 0x1b) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002018 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002019 MDIO_REG_BANK_XGXS_BLOCK2,
2020 MDIO_XGXS_BLOCK2_RX_LN_SWAP,
2021 (rx_lane_swap |
2022 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
2023 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002024 } else {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002025 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002026 MDIO_REG_BANK_XGXS_BLOCK2,
2027 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002028 }
2029
2030 if (tx_lane_swap != 0x1b) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002031 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002032 MDIO_REG_BANK_XGXS_BLOCK2,
2033 MDIO_XGXS_BLOCK2_TX_LN_SWAP,
2034 (tx_lane_swap |
2035 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002036 } else {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002037 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002038 MDIO_REG_BANK_XGXS_BLOCK2,
2039 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002040 }
2041}
2042
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002043static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
2044 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002045{
2046 struct bnx2x *bp = params->bp;
2047 u16 control2;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002048 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002049 MDIO_REG_BANK_SERDES_DIGITAL,
2050 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
2051 &control2);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002052 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02002053 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
2054 else
2055 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002056 DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
2057 phy->speed_cap_mask, control2);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002058 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002059 MDIO_REG_BANK_SERDES_DIGITAL,
2060 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
2061 control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002062
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002063 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002064 (phy->speed_cap_mask &
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02002065 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002066 DP(NETIF_MSG_LINK, "XGXS\n");
2067
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002068 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002069 MDIO_REG_BANK_10G_PARALLEL_DETECT,
2070 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
2071 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002072
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002073 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002074 MDIO_REG_BANK_10G_PARALLEL_DETECT,
2075 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
2076 &control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002077
2078
2079 control2 |=
2080 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
2081
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002082 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002083 MDIO_REG_BANK_10G_PARALLEL_DETECT,
2084 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
2085 control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002086
2087 /* Disable parallel detection of HiG */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002088 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002089 MDIO_REG_BANK_XGXS_BLOCK2,
2090 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
2091 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
2092 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002093 }
2094}
2095
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002096static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
2097 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002098 struct link_vars *vars,
2099 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002100{
2101 struct bnx2x *bp = params->bp;
2102 u16 reg_val;
2103
2104 /* CL37 Autoneg */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002105 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002106 MDIO_REG_BANK_COMBO_IEEE0,
2107 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002108
2109 /* CL37 Autoneg Enabled */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002110 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002111 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
2112 else /* CL37 Autoneg Disabled */
2113 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
2114 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
2115
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002116 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002117 MDIO_REG_BANK_COMBO_IEEE0,
2118 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002119
2120 /* Enable/Disable Autodetection */
2121
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002122 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002123 MDIO_REG_BANK_SERDES_DIGITAL,
2124 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002125 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
2126 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
2127 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002128 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002129 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
2130 else
2131 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
2132
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002133 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002134 MDIO_REG_BANK_SERDES_DIGITAL,
2135 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002136
2137 /* Enable TetonII and BAM autoneg */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002138 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002139 MDIO_REG_BANK_BAM_NEXT_PAGE,
2140 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002141 &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002142 if (vars->line_speed == SPEED_AUTO_NEG) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002143 /* Enable BAM aneg Mode and TetonII aneg Mode */
2144 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
2145 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
2146 } else {
2147 /* TetonII and BAM Autoneg Disabled */
2148 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
2149 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
2150 }
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002151 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002152 MDIO_REG_BANK_BAM_NEXT_PAGE,
2153 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
2154 reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002155
Eilon Greenstein239d6862009-08-12 08:23:04 +00002156 if (enable_cl73) {
2157 /* Enable Cl73 FSM status bits */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002158 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002159 MDIO_REG_BANK_CL73_USERB0,
2160 MDIO_CL73_USERB0_CL73_UCTRL,
2161 0xe);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002162
2163 /* Enable BAM Station Manager*/
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002164 CL22_WR_OVER_CL45(bp, phy,
Eilon Greenstein239d6862009-08-12 08:23:04 +00002165 MDIO_REG_BANK_CL73_USERB0,
2166 MDIO_CL73_USERB0_CL73_BAM_CTRL1,
2167 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
2168 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
2169 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
2170
Yaniv Rosner7846e472009-11-05 19:18:07 +02002171 /* Advertise CL73 link speeds */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002172 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002173 MDIO_REG_BANK_CL73_IEEEB1,
2174 MDIO_CL73_IEEEB1_AN_ADV2,
2175 &reg_val);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002176 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02002177 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
2178 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002179 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02002180 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
2181 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
Eilon Greenstein239d6862009-08-12 08:23:04 +00002182
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002183 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002184 MDIO_REG_BANK_CL73_IEEEB1,
2185 MDIO_CL73_IEEEB1_AN_ADV2,
2186 reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002187
Eilon Greenstein239d6862009-08-12 08:23:04 +00002188 /* CL73 Autoneg Enabled */
2189 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
2190
2191 } else /* CL73 Autoneg Disabled */
2192 reg_val = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002193
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002194 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002195 MDIO_REG_BANK_CL73_IEEEB0,
2196 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002197}
2198
2199/* program SerDes, forced speed */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002200static void bnx2x_program_serdes(struct bnx2x_phy *phy,
2201 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002202 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002203{
2204 struct bnx2x *bp = params->bp;
2205 u16 reg_val;
2206
Eilon Greenstein57937202009-08-12 08:23:53 +00002207 /* program duplex, disable autoneg and sgmii*/
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002208 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002209 MDIO_REG_BANK_COMBO_IEEE0,
2210 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002211 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
Eilon Greenstein57937202009-08-12 08:23:53 +00002212 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
2213 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002214 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002215 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002216 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002217 MDIO_REG_BANK_COMBO_IEEE0,
2218 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002219
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002220 /*
2221 * program speed
2222 * - needed only if the speed is greater than 1G (2.5G or 10G)
2223 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002224 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002225 MDIO_REG_BANK_SERDES_DIGITAL,
2226 MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002227 /* clearing the speed value before setting the right speed */
2228 DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
2229
2230 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
2231 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
2232
2233 if (!((vars->line_speed == SPEED_1000) ||
2234 (vars->line_speed == SPEED_100) ||
2235 (vars->line_speed == SPEED_10))) {
2236
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002237 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
2238 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002239 if (vars->line_speed == SPEED_10000)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002240 reg_val |=
2241 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002242 if (vars->line_speed == SPEED_13000)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002243 reg_val |=
2244 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002245 }
2246
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002247 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002248 MDIO_REG_BANK_SERDES_DIGITAL,
2249 MDIO_SERDES_DIGITAL_MISC1, reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002250
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002251}
2252
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00002253static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
2254 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002255{
2256 struct bnx2x *bp = params->bp;
2257 u16 val = 0;
2258
2259 /* configure the 48 bits for BAM AN */
2260
2261 /* set extended capabilities */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002262 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002263 val |= MDIO_OVER_1G_UP1_2_5G;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002264 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002265 val |= MDIO_OVER_1G_UP1_10G;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002266 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002267 MDIO_REG_BANK_OVER_1G,
2268 MDIO_OVER_1G_UP1, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002269
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002270 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002271 MDIO_REG_BANK_OVER_1G,
2272 MDIO_OVER_1G_UP3, 0x400);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002273}
2274
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00002275static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
2276 struct link_params *params,
2277 u16 ieee_fc)
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002278{
2279 struct bnx2x *bp = params->bp;
Yaniv Rosner7846e472009-11-05 19:18:07 +02002280 u16 val;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002281 /* for AN, we are always publishing full duplex */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002282
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002283 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002284 MDIO_REG_BANK_COMBO_IEEE0,
2285 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002286 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002287 MDIO_REG_BANK_CL73_IEEEB1,
2288 MDIO_CL73_IEEEB1_AN_ADV1, &val);
Yaniv Rosner7846e472009-11-05 19:18:07 +02002289 val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
2290 val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002291 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002292 MDIO_REG_BANK_CL73_IEEEB1,
2293 MDIO_CL73_IEEEB1_AN_ADV1, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002294}
2295
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002296static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
2297 struct link_params *params,
2298 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002299{
2300 struct bnx2x *bp = params->bp;
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00002301 u16 mii_control;
Eilon Greenstein239d6862009-08-12 08:23:04 +00002302
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002303 DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00002304 /* Enable and restart BAM/CL37 aneg */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002305
Eilon Greenstein239d6862009-08-12 08:23:04 +00002306 if (enable_cl73) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002307 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002308 MDIO_REG_BANK_CL73_IEEEB0,
2309 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
2310 &mii_control);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002311
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002312 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002313 MDIO_REG_BANK_CL73_IEEEB0,
2314 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
2315 (mii_control |
2316 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
2317 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
Eilon Greenstein239d6862009-08-12 08:23:04 +00002318 } else {
2319
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002320 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002321 MDIO_REG_BANK_COMBO_IEEE0,
2322 MDIO_COMBO_IEEE0_MII_CONTROL,
2323 &mii_control);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002324 DP(NETIF_MSG_LINK,
2325 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
2326 mii_control);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002327 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002328 MDIO_REG_BANK_COMBO_IEEE0,
2329 MDIO_COMBO_IEEE0_MII_CONTROL,
2330 (mii_control |
2331 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
2332 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
Eilon Greenstein239d6862009-08-12 08:23:04 +00002333 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002334}
2335
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002336static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
2337 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002338 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002339{
2340 struct bnx2x *bp = params->bp;
2341 u16 control1;
2342
2343 /* in SGMII mode, the unicore is always slave */
2344
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002345 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002346 MDIO_REG_BANK_SERDES_DIGITAL,
2347 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
2348 &control1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002349 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
2350 /* set sgmii mode (and not fiber) */
2351 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
2352 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
2353 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002354 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002355 MDIO_REG_BANK_SERDES_DIGITAL,
2356 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
2357 control1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002358
2359 /* if forced speed */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002360 if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002361 /* set speed, disable autoneg */
2362 u16 mii_control;
2363
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002364 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002365 MDIO_REG_BANK_COMBO_IEEE0,
2366 MDIO_COMBO_IEEE0_MII_CONTROL,
2367 &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002368 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
2369 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
2370 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
2371
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002372 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002373 case SPEED_100:
2374 mii_control |=
2375 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
2376 break;
2377 case SPEED_1000:
2378 mii_control |=
2379 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
2380 break;
2381 case SPEED_10:
2382 /* there is nothing to set for 10M */
2383 break;
2384 default:
2385 /* invalid speed for SGMII */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002386 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2387 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002388 break;
2389 }
2390
2391 /* setting the full duplex */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002392 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002393 mii_control |=
2394 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002395 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002396 MDIO_REG_BANK_COMBO_IEEE0,
2397 MDIO_COMBO_IEEE0_MII_CONTROL,
2398 mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002399
2400 } else { /* AN mode */
2401 /* enable and restart AN */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002402 bnx2x_restart_autoneg(phy, params, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002403 }
2404}
2405
2406
2407/*
2408 * link management
2409 */
2410
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002411static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
2412 struct link_params *params)
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02002413{
2414 struct bnx2x *bp = params->bp;
2415 u16 pd_10g, status2_1000x;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002416 if (phy->req_line_speed != SPEED_AUTO_NEG)
2417 return 0;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002418 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002419 MDIO_REG_BANK_SERDES_DIGITAL,
2420 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
2421 &status2_1000x);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002422 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002423 MDIO_REG_BANK_SERDES_DIGITAL,
2424 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
2425 &status2_1000x);
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02002426 if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
2427 DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
2428 params->port);
2429 return 1;
2430 }
2431
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002432 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002433 MDIO_REG_BANK_10G_PARALLEL_DETECT,
2434 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
2435 &pd_10g);
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02002436
2437 if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
2438 DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
2439 params->port);
2440 return 1;
2441 }
2442 return 0;
2443}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002444
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002445static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
2446 struct link_params *params,
2447 struct link_vars *vars,
2448 u32 gp_status)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002449{
2450 struct bnx2x *bp = params->bp;
Eilon Greenstein3196a882008-08-13 15:58:49 -07002451 u16 ld_pause; /* local driver */
2452 u16 lp_pause; /* link partner */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002453 u16 pause_result;
2454
David S. Millerc0700f92008-12-16 23:53:20 -08002455 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002456
2457 /* resolve from gp_status in case of AN complete and not sgmii */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002458 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
2459 vars->flow_ctrl = phy->req_flow_ctrl;
2460 else if (phy->req_line_speed != SPEED_AUTO_NEG)
2461 vars->flow_ctrl = params->req_fc_auto_adv;
2462 else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
2463 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002464 if (bnx2x_direct_parallel_detect_used(phy, params)) {
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02002465 vars->flow_ctrl = params->req_fc_auto_adv;
2466 return;
2467 }
Yaniv Rosner7846e472009-11-05 19:18:07 +02002468 if ((gp_status &
2469 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
2470 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
2471 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
2472 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
2473
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002474 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002475 MDIO_REG_BANK_CL73_IEEEB1,
2476 MDIO_CL73_IEEEB1_AN_ADV1,
2477 &ld_pause);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002478 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002479 MDIO_REG_BANK_CL73_IEEEB1,
2480 MDIO_CL73_IEEEB1_AN_LP_ADV1,
2481 &lp_pause);
Yaniv Rosner7846e472009-11-05 19:18:07 +02002482 pause_result = (ld_pause &
2483 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
2484 >> 8;
2485 pause_result |= (lp_pause &
2486 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
2487 >> 10;
2488 DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
2489 pause_result);
2490 } else {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002491 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002492 MDIO_REG_BANK_COMBO_IEEE0,
2493 MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
2494 &ld_pause);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002495 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002496 MDIO_REG_BANK_COMBO_IEEE0,
2497 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
2498 &lp_pause);
Yaniv Rosner7846e472009-11-05 19:18:07 +02002499 pause_result = (ld_pause &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002500 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
Yaniv Rosner7846e472009-11-05 19:18:07 +02002501 pause_result |= (lp_pause &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002502 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
Yaniv Rosner7846e472009-11-05 19:18:07 +02002503 DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
2504 pause_result);
2505 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002506 bnx2x_pause_resolve(vars, pause_result);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002507 }
2508 DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
2509}
2510
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002511static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
2512 struct link_params *params)
Eilon Greenstein239d6862009-08-12 08:23:04 +00002513{
2514 struct bnx2x *bp = params->bp;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00002515 u16 rx_status, ustat_val, cl37_fsm_received;
Eilon Greenstein239d6862009-08-12 08:23:04 +00002516 DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
2517 /* Step 1: Make sure signal is detected */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002518 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002519 MDIO_REG_BANK_RX0,
2520 MDIO_RX0_RX_STATUS,
2521 &rx_status);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002522 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
2523 (MDIO_RX0_RX_STATUS_SIGDET)) {
2524 DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
2525 "rx_status(0x80b0) = 0x%x\n", rx_status);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002526 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002527 MDIO_REG_BANK_CL73_IEEEB0,
2528 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
2529 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002530 return;
2531 }
2532 /* Step 2: Check CL73 state machine */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002533 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002534 MDIO_REG_BANK_CL73_USERB0,
2535 MDIO_CL73_USERB0_CL73_USTAT1,
2536 &ustat_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002537 if ((ustat_val &
2538 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
2539 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
2540 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
2541 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
2542 DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
2543 "ustat_val(0x8371) = 0x%x\n", ustat_val);
2544 return;
2545 }
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002546 /*
2547 * Step 3: Check CL37 Message Pages received to indicate LP
2548 * supports only CL37
2549 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002550 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002551 MDIO_REG_BANK_REMOTE_PHY,
2552 MDIO_REMOTE_PHY_MISC_RX_STATUS,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00002553 &cl37_fsm_received);
2554 if ((cl37_fsm_received &
Eilon Greenstein239d6862009-08-12 08:23:04 +00002555 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
2556 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
2557 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
2558 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
2559 DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
2560 "misc_rx_status(0x8330) = 0x%x\n",
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00002561 cl37_fsm_received);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002562 return;
2563 }
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002564 /*
2565 * The combined cl37/cl73 fsm state information indicating that
2566 * we are connected to a device which does not support cl73, but
2567 * does support cl37 BAM. In this case we disable cl73 and
2568 * restart cl37 auto-neg
2569 */
2570
Eilon Greenstein239d6862009-08-12 08:23:04 +00002571 /* Disable CL73 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002572 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002573 MDIO_REG_BANK_CL73_IEEEB0,
2574 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
2575 0);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002576 /* Restart CL37 autoneg */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002577 bnx2x_restart_autoneg(phy, params, 0);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002578 DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
2579}
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002580
2581static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
2582 struct link_params *params,
2583 struct link_vars *vars,
2584 u32 gp_status)
2585{
2586 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
2587 vars->link_status |=
2588 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
2589
2590 if (bnx2x_direct_parallel_detect_used(phy, params))
2591 vars->link_status |=
2592 LINK_STATUS_PARALLEL_DETECTION_USED;
2593}
2594
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002595static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
2596 struct link_params *params,
2597 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002598{
2599 struct bnx2x *bp = params->bp;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002600 u16 new_line_speed, gp_status;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002601 int rc = 0;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002602
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002603 /* Read gp_status */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002604 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002605 MDIO_REG_BANK_GP_STATUS,
2606 MDIO_GP_STATUS_TOP_AN_STATUS1,
2607 &gp_status);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00002608
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002609 if (phy->req_line_speed == SPEED_AUTO_NEG)
2610 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002611 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
2612 DP(NETIF_MSG_LINK, "phy link up gp_status=0x%x\n",
2613 gp_status);
2614
2615 vars->phy_link_up = 1;
2616 vars->link_status |= LINK_STATUS_LINK_UP;
2617
2618 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
2619 vars->duplex = DUPLEX_FULL;
2620 else
2621 vars->duplex = DUPLEX_HALF;
2622
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002623 if (SINGLE_MEDIA_DIRECT(params)) {
2624 bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
2625 if (phy->req_line_speed == SPEED_AUTO_NEG)
2626 bnx2x_xgxs_an_resolve(phy, params, vars,
2627 gp_status);
2628 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002629
2630 switch (gp_status & GP_STATUS_SPEED_MASK) {
2631 case GP_STATUS_10M:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002632 new_line_speed = SPEED_10;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002633 if (vars->duplex == DUPLEX_FULL)
2634 vars->link_status |= LINK_10TFD;
2635 else
2636 vars->link_status |= LINK_10THD;
2637 break;
2638
2639 case GP_STATUS_100M:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002640 new_line_speed = SPEED_100;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002641 if (vars->duplex == DUPLEX_FULL)
2642 vars->link_status |= LINK_100TXFD;
2643 else
2644 vars->link_status |= LINK_100TXHD;
2645 break;
2646
2647 case GP_STATUS_1G:
2648 case GP_STATUS_1G_KX:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002649 new_line_speed = SPEED_1000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002650 if (vars->duplex == DUPLEX_FULL)
2651 vars->link_status |= LINK_1000TFD;
2652 else
2653 vars->link_status |= LINK_1000THD;
2654 break;
2655
2656 case GP_STATUS_2_5G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002657 new_line_speed = SPEED_2500;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002658 if (vars->duplex == DUPLEX_FULL)
2659 vars->link_status |= LINK_2500TFD;
2660 else
2661 vars->link_status |= LINK_2500THD;
2662 break;
2663
2664 case GP_STATUS_5G:
2665 case GP_STATUS_6G:
2666 DP(NETIF_MSG_LINK,
2667 "link speed unsupported gp_status 0x%x\n",
2668 gp_status);
2669 return -EINVAL;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002670
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002671 case GP_STATUS_10G_KX4:
2672 case GP_STATUS_10G_HIG:
2673 case GP_STATUS_10G_CX4:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002674 new_line_speed = SPEED_10000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002675 vars->link_status |= LINK_10GTFD;
2676 break;
2677
2678 case GP_STATUS_12G_HIG:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002679 new_line_speed = SPEED_12000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002680 vars->link_status |= LINK_12GTFD;
2681 break;
2682
2683 case GP_STATUS_12_5G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002684 new_line_speed = SPEED_12500;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002685 vars->link_status |= LINK_12_5GTFD;
2686 break;
2687
2688 case GP_STATUS_13G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002689 new_line_speed = SPEED_13000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002690 vars->link_status |= LINK_13GTFD;
2691 break;
2692
2693 case GP_STATUS_15G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002694 new_line_speed = SPEED_15000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002695 vars->link_status |= LINK_15GTFD;
2696 break;
2697
2698 case GP_STATUS_16G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002699 new_line_speed = SPEED_16000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002700 vars->link_status |= LINK_16GTFD;
2701 break;
2702
2703 default:
2704 DP(NETIF_MSG_LINK,
2705 "link speed unsupported gp_status 0x%x\n",
2706 gp_status);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002707 return -EINVAL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002708 }
2709
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002710 vars->line_speed = new_line_speed;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002711
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002712 } else { /* link_down */
2713 DP(NETIF_MSG_LINK, "phy link down\n");
2714
2715 vars->phy_link_up = 0;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002716
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002717 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08002718 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002719 vars->mac_type = MAC_TYPE_NONE;
Eilon Greenstein239d6862009-08-12 08:23:04 +00002720
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002721 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
2722 SINGLE_MEDIA_DIRECT(params)) {
Eilon Greenstein239d6862009-08-12 08:23:04 +00002723 /* Check signal is detected */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002724 bnx2x_check_fallback_to_cl37(phy, params);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002725 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002726 }
2727
Frans Pop2381a552010-03-24 07:57:36 +00002728 DP(NETIF_MSG_LINK, "gp_status 0x%x phy_link_up %x line_speed %x\n",
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002729 gp_status, vars->phy_link_up, vars->line_speed);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002730 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
2731 vars->duplex, vars->flow_ctrl, vars->link_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002732 return rc;
2733}
2734
Eilon Greensteined8680a2009-02-12 08:37:12 +00002735static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002736{
2737 struct bnx2x *bp = params->bp;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002738 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002739 u16 lp_up2;
2740 u16 tx_driver;
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00002741 u16 bank;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002742
2743 /* read precomp */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002744 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002745 MDIO_REG_BANK_OVER_1G,
2746 MDIO_OVER_1G_LP_UP2, &lp_up2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002747
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002748 /* bits [10:7] at lp_up2, positioned at [15:12] */
2749 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
2750 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
2751 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
2752
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00002753 if (lp_up2 == 0)
2754 return;
2755
2756 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
2757 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002758 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002759 bank,
2760 MDIO_TX0_TX_DRIVER, &tx_driver);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00002761
2762 /* replace tx_driver bits [15:12] */
2763 if (lp_up2 !=
2764 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
2765 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
2766 tx_driver |= lp_up2;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002767 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002768 bank,
2769 MDIO_TX0_TX_DRIVER, tx_driver);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00002770 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002771 }
2772}
2773
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002774static int bnx2x_emac_program(struct link_params *params,
2775 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002776{
2777 struct bnx2x *bp = params->bp;
2778 u8 port = params->port;
2779 u16 mode = 0;
2780
2781 DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
2782 bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002783 EMAC_REG_EMAC_MODE,
2784 (EMAC_MODE_25G_MODE |
2785 EMAC_MODE_PORT_MII_10M |
2786 EMAC_MODE_HALF_DUPLEX));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002787 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002788 case SPEED_10:
2789 mode |= EMAC_MODE_PORT_MII_10M;
2790 break;
2791
2792 case SPEED_100:
2793 mode |= EMAC_MODE_PORT_MII;
2794 break;
2795
2796 case SPEED_1000:
2797 mode |= EMAC_MODE_PORT_GMII;
2798 break;
2799
2800 case SPEED_2500:
2801 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
2802 break;
2803
2804 default:
2805 /* 10G not valid for EMAC */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002806 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2807 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002808 return -EINVAL;
2809 }
2810
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002811 if (vars->duplex == DUPLEX_HALF)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002812 mode |= EMAC_MODE_HALF_DUPLEX;
2813 bnx2x_bits_en(bp,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002814 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
2815 mode);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002816
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00002817 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002818 return 0;
2819}
2820
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002821static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
2822 struct link_params *params)
2823{
2824
2825 u16 bank, i = 0;
2826 struct bnx2x *bp = params->bp;
2827
2828 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
2829 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002830 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002831 bank,
2832 MDIO_RX0_RX_EQ_BOOST,
2833 phy->rx_preemphasis[i]);
2834 }
2835
2836 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
2837 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002838 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002839 bank,
2840 MDIO_TX0_TX_DRIVER,
2841 phy->tx_preemphasis[i]);
2842 }
2843}
2844
2845static void bnx2x_init_internal_phy(struct bnx2x_phy *phy,
2846 struct link_params *params,
2847 struct link_vars *vars)
2848{
2849 struct bnx2x *bp = params->bp;
2850 u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
2851 (params->loopback_mode == LOOPBACK_XGXS));
2852 if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
2853 if (SINGLE_MEDIA_DIRECT(params) &&
2854 (params->feature_config_flags &
2855 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
2856 bnx2x_set_preemphasis(phy, params);
2857
2858 /* forced speed requested? */
2859 if (vars->line_speed != SPEED_AUTO_NEG ||
2860 (SINGLE_MEDIA_DIRECT(params) &&
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002861 params->loopback_mode == LOOPBACK_EXT)) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002862 DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
2863
2864 /* disable autoneg */
2865 bnx2x_set_autoneg(phy, params, vars, 0);
2866
2867 /* program speed and duplex */
2868 bnx2x_program_serdes(phy, params, vars);
2869
2870 } else { /* AN_mode */
2871 DP(NETIF_MSG_LINK, "not SGMII, AN\n");
2872
2873 /* AN enabled */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00002874 bnx2x_set_brcm_cl37_advertisement(phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002875
2876 /* program duplex & pause advertisement (for aneg) */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00002877 bnx2x_set_ieee_aneg_advertisement(phy, params,
2878 vars->ieee_fc);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002879
2880 /* enable autoneg */
2881 bnx2x_set_autoneg(phy, params, vars, enable_cl73);
2882
2883 /* enable and restart AN */
2884 bnx2x_restart_autoneg(phy, params, enable_cl73);
2885 }
2886
2887 } else { /* SGMII mode */
2888 DP(NETIF_MSG_LINK, "SGMII\n");
2889
2890 bnx2x_initialize_sgmii_process(phy, params, vars);
2891 }
2892}
2893
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002894static int bnx2x_init_serdes(struct bnx2x_phy *phy,
2895 struct link_params *params,
2896 struct link_vars *vars)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002897{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002898 int rc;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002899 vars->phy_flags |= PHY_SGMII_FLAG;
2900 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002901 bnx2x_set_aer_mmd_serdes(params->bp, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002902 rc = bnx2x_reset_unicore(params, phy, 1);
2903 /* reset the SerDes and wait for reset bit return low */
2904 if (rc != 0)
2905 return rc;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002906 bnx2x_set_aer_mmd_serdes(params->bp, phy);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002907
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002908 return rc;
2909}
2910
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002911static int bnx2x_init_xgxs(struct bnx2x_phy *phy,
2912 struct link_params *params,
2913 struct link_vars *vars)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002914{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002915 int rc;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002916 vars->phy_flags = PHY_XGXS_FLAG;
2917 if ((phy->req_line_speed &&
2918 ((phy->req_line_speed == SPEED_100) ||
2919 (phy->req_line_speed == SPEED_10))) ||
2920 (!phy->req_line_speed &&
2921 (phy->speed_cap_mask >=
2922 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
2923 (phy->speed_cap_mask <
2924 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
2925 ))
2926 vars->phy_flags |= PHY_SGMII_FLAG;
2927 else
2928 vars->phy_flags &= ~PHY_SGMII_FLAG;
2929
2930 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002931 bnx2x_set_aer_mmd_xgxs(params, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002932 bnx2x_set_master_ln(params, phy);
2933
2934 rc = bnx2x_reset_unicore(params, phy, 0);
2935 /* reset the SerDes and wait for reset bit return low */
2936 if (rc != 0)
2937 return rc;
2938
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002939 bnx2x_set_aer_mmd_xgxs(params, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002940
2941 /* setting the masterLn_def again after the reset */
2942 bnx2x_set_master_ln(params, phy);
2943 bnx2x_set_swap_lanes(params, phy);
2944
2945 return rc;
2946}
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002947
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002948static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
Yaniv Rosner6d870c32011-01-31 04:22:20 +00002949 struct bnx2x_phy *phy,
2950 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002951{
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002952 u16 cnt, ctrl;
Lucas De Marchi25985ed2011-03-30 22:57:33 -03002953 /* Wait for soft reset to get cleared up to 1 sec */
Yaniv Rosner62b29a52010-09-07 11:40:58 +00002954 for (cnt = 0; cnt < 1000; cnt++) {
2955 bnx2x_cl45_read(bp, phy,
2956 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, &ctrl);
2957 if (!(ctrl & (1<<15)))
2958 break;
2959 msleep(1);
2960 }
Yaniv Rosner6d870c32011-01-31 04:22:20 +00002961
2962 if (cnt == 1000)
2963 netdev_err(bp->dev, "Warning: PHY was not initialized,"
2964 " Port %d\n",
2965 params->port);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00002966 DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
2967 return cnt;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002968}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002969
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002970static void bnx2x_link_int_enable(struct link_params *params)
2971{
2972 u8 port = params->port;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002973 u32 mask;
2974 struct bnx2x *bp = params->bp;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002975
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002976 /* Setting the status to report on link up for either XGXS or SerDes */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002977 if (params->switch_cfg == SWITCH_CFG_10G) {
2978 mask = (NIG_MASK_XGXS0_LINK10G |
2979 NIG_MASK_XGXS0_LINK_STATUS);
2980 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002981 if (!(SINGLE_MEDIA_DIRECT(params)) &&
2982 params->phy[INT_PHY].type !=
2983 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002984 mask |= NIG_MASK_MI_INT;
2985 DP(NETIF_MSG_LINK, "enabled external phy int\n");
2986 }
2987
2988 } else { /* SerDes */
2989 mask = NIG_MASK_SERDES0_LINK_STATUS;
2990 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002991 if (!(SINGLE_MEDIA_DIRECT(params)) &&
2992 params->phy[INT_PHY].type !=
2993 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002994 mask |= NIG_MASK_MI_INT;
2995 DP(NETIF_MSG_LINK, "enabled external phy int\n");
2996 }
2997 }
2998 bnx2x_bits_en(bp,
2999 NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
3000 mask);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003001
3002 DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003003 (params->switch_cfg == SWITCH_CFG_10G),
3004 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003005 DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
3006 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
3007 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
3008 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
3009 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
3010 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
3011 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
3012}
3013
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003014static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
3015 u8 exp_mi_int)
Eilon Greenstein2f904462009-08-12 08:22:16 +00003016{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003017 u32 latch_status = 0;
3018
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003019 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003020 * Disable the MI INT ( external phy int ) by writing 1 to the
3021 * status register. Link down indication is high-active-signal,
3022 * so in this case we need to write the status to clear the XOR
Eilon Greenstein2f904462009-08-12 08:22:16 +00003023 */
3024 /* Read Latched signals */
3025 latch_status = REG_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003026 NIG_REG_LATCH_STATUS_0 + port*8);
3027 DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
Eilon Greenstein2f904462009-08-12 08:22:16 +00003028 /* Handle only those with latched-signal=up.*/
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003029 if (exp_mi_int)
3030 bnx2x_bits_en(bp,
3031 NIG_REG_STATUS_INTERRUPT_PORT0
3032 + port*4,
3033 NIG_STATUS_EMAC0_MI_INT);
3034 else
3035 bnx2x_bits_dis(bp,
3036 NIG_REG_STATUS_INTERRUPT_PORT0
3037 + port*4,
3038 NIG_STATUS_EMAC0_MI_INT);
3039
Eilon Greenstein2f904462009-08-12 08:22:16 +00003040 if (latch_status & 1) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003041
Eilon Greenstein2f904462009-08-12 08:22:16 +00003042 /* For all latched-signal=up : Re-Arm Latch signals */
3043 REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003044 (latch_status & 0xfffe) | (latch_status & 1));
Eilon Greenstein2f904462009-08-12 08:22:16 +00003045 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003046 /* For all latched-signal=up,Write original_signal to status */
Eilon Greenstein2f904462009-08-12 08:22:16 +00003047}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003048
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003049static void bnx2x_link_int_ack(struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003050 struct link_vars *vars, u8 is_10g)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003051{
3052 struct bnx2x *bp = params->bp;
3053 u8 port = params->port;
3054
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003055 /*
3056 * First reset all status we assume only one line will be
3057 * change at a time
3058 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003059 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003060 (NIG_STATUS_XGXS0_LINK10G |
3061 NIG_STATUS_XGXS0_LINK_STATUS |
3062 NIG_STATUS_SERDES0_LINK_STATUS));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003063 if (vars->phy_link_up) {
3064 if (is_10g) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003065 /*
3066 * Disable the 10G link interrupt by writing 1 to the
3067 * status register
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003068 */
3069 DP(NETIF_MSG_LINK, "10G XGXS phy link up\n");
3070 bnx2x_bits_en(bp,
3071 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
3072 NIG_STATUS_XGXS0_LINK10G);
3073
3074 } else if (params->switch_cfg == SWITCH_CFG_10G) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003075 /*
3076 * Disable the link interrupt by writing 1 to the
3077 * relevant lane in the status register
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003078 */
3079 u32 ser_lane = ((params->lane_config &
3080 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3081 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3082
Eilon Greenstein2f904462009-08-12 08:22:16 +00003083 DP(NETIF_MSG_LINK, "%d speed XGXS phy link up\n",
3084 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003085 bnx2x_bits_en(bp,
3086 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
3087 ((1 << ser_lane) <<
3088 NIG_STATUS_XGXS0_LINK_STATUS_SIZE));
3089
3090 } else { /* SerDes */
3091 DP(NETIF_MSG_LINK, "SerDes phy link up\n");
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003092 /*
3093 * Disable the link interrupt by writing 1 to the status
3094 * register
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003095 */
3096 bnx2x_bits_en(bp,
3097 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
3098 NIG_STATUS_SERDES0_LINK_STATUS);
3099 }
3100
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003101 }
3102}
3103
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003104static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003105{
3106 u8 *str_ptr = str;
3107 u32 mask = 0xf0000000;
3108 u8 shift = 8*4;
3109 u8 digit;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003110 u8 remove_leading_zeros = 1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003111 if (*len < 10) {
Frederik Schwarzer025dfda2008-10-16 19:02:37 +02003112 /* Need more than 10chars for this format */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003113 *str_ptr = '\0';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003114 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003115 return -EINVAL;
3116 }
3117 while (shift > 0) {
3118
3119 shift -= 4;
3120 digit = ((num & mask) >> shift);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003121 if (digit == 0 && remove_leading_zeros) {
3122 mask = mask >> 4;
3123 continue;
3124 } else if (digit < 0xa)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003125 *str_ptr = digit + '0';
3126 else
3127 *str_ptr = digit - 0xa + 'a';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003128 remove_leading_zeros = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003129 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003130 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003131 mask = mask >> 4;
3132 if (shift == 4*4) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003133 *str_ptr = '.';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003134 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003135 (*len)--;
3136 remove_leading_zeros = 1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003137 }
3138 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003139 return 0;
3140}
3141
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003142
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003143static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003144{
3145 str[0] = '\0';
3146 (*len)--;
3147 return 0;
3148}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003149
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003150int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
3151 u8 *version, u16 len)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003152{
Julia Lawall0376d5b2009-07-19 05:26:35 +00003153 struct bnx2x *bp;
Eilon Greensteina35da8d2009-02-12 08:37:02 +00003154 u32 spirom_ver = 0;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003155 int status = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003156 u8 *ver_p = version;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003157 u16 remain_len = len;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003158 if (version == NULL || params == NULL)
3159 return -EINVAL;
Julia Lawall0376d5b2009-07-19 05:26:35 +00003160 bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003161
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003162 /* Extract first external phy*/
3163 version[0] = '\0';
3164 spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
Eilon Greensteina35da8d2009-02-12 08:37:02 +00003165
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003166 if (params->phy[EXT_PHY1].format_fw_ver) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003167 status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
3168 ver_p,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003169 &remain_len);
3170 ver_p += (len - remain_len);
3171 }
3172 if ((params->num_phys == MAX_PHYS) &&
3173 (params->phy[EXT_PHY2].ver_addr != 0)) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003174 spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003175 if (params->phy[EXT_PHY2].format_fw_ver) {
3176 *ver_p = '/';
3177 ver_p++;
3178 remain_len--;
3179 status |= params->phy[EXT_PHY2].format_fw_ver(
3180 spirom_ver,
3181 ver_p,
3182 &remain_len);
3183 ver_p = version + (len - remain_len);
3184 }
3185 }
3186 *ver_p = '\0';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003187 return status;
3188}
3189
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003190static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
Yaniv Rosner62b29a52010-09-07 11:40:58 +00003191 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003192{
3193 u8 port = params->port;
3194 struct bnx2x *bp = params->bp;
3195
Yaniv Rosner62b29a52010-09-07 11:40:58 +00003196 if (phy->req_line_speed != SPEED_1000) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07003197 u32 md_devad;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003198
3199 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
3200
3201 /* change the uni_phy_addr in the nig */
3202 md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003203 port*0x18));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003204
3205 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5);
3206
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003207 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003208 5,
3209 (MDIO_REG_BANK_AER_BLOCK +
3210 (MDIO_AER_BLOCK_AER_REG & 0xf)),
3211 0x2800);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003212
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003213 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003214 5,
3215 (MDIO_REG_BANK_CL73_IEEEB0 +
3216 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
3217 0x6041);
Eilon Greenstein38582762009-01-14 06:44:16 +00003218 msleep(200);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003219 /* set aer mmd back */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003220 bnx2x_set_aer_mmd_xgxs(params, phy);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003221
3222 /* and md_devad */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003223 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, md_devad);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003224 } else {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003225 u16 mii_ctrl;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003226 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003227 bnx2x_cl45_read(bp, phy, 5,
3228 (MDIO_REG_BANK_COMBO_IEEE0 +
3229 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
3230 &mii_ctrl);
3231 bnx2x_cl45_write(bp, phy, 5,
3232 (MDIO_REG_BANK_COMBO_IEEE0 +
3233 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
3234 mii_ctrl |
3235 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003236 }
3237}
3238
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003239int bnx2x_set_led(struct link_params *params,
3240 struct link_vars *vars, u8 mode, u32 speed)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003241{
Yaniv Rosner7846e472009-11-05 19:18:07 +02003242 u8 port = params->port;
3243 u16 hw_led_mode = params->hw_led_mode;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003244 int rc = 0;
3245 u8 phy_idx;
Eilon Greenstein345b5d52008-08-13 15:58:12 -07003246 u32 tmp;
3247 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Yaniv Rosner7846e472009-11-05 19:18:07 +02003248 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003249 DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
3250 DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
3251 speed, hw_led_mode);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003252 /* In case */
3253 for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
3254 if (params->phy[phy_idx].set_link_led) {
3255 params->phy[phy_idx].set_link_led(
3256 &params->phy[phy_idx], params, mode);
3257 }
3258 }
3259
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003260 switch (mode) {
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003261 case LED_MODE_FRONT_PANEL_OFF:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003262 case LED_MODE_OFF:
3263 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
3264 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003265 SHARED_HW_CFG_LED_MAC1);
Eilon Greenstein345b5d52008-08-13 15:58:12 -07003266
3267 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Eilon Greenstein3196a882008-08-13 15:58:49 -07003268 EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003269 break;
3270
3271 case LED_MODE_OPER:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003272 /*
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003273 * For all other phys, OPER mode is same as ON, so in case
3274 * link is down, do nothing
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003275 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003276 if (!vars->link_up)
3277 break;
3278 case LED_MODE_ON:
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00003279 if (((params->phy[EXT_PHY1].type ==
3280 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
3281 (params->phy[EXT_PHY1].type ==
3282 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
Yaniv Rosner1f483532011-01-18 04:33:31 +00003283 CHIP_IS_E2(bp) && params->num_phys == 2) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003284 /*
3285 * This is a work-around for E2+8727 Configurations
3286 */
Yaniv Rosner1f483532011-01-18 04:33:31 +00003287 if (mode == LED_MODE_ON ||
3288 speed == SPEED_10000){
3289 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
3290 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
3291
3292 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
3293 EMAC_WR(bp, EMAC_REG_EMAC_LED,
3294 (tmp | EMAC_LED_OVERRIDE));
3295 return rc;
3296 }
3297 } else if (SINGLE_MEDIA_DIRECT(params)) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003298 /*
3299 * This is a work-around for HW issue found when link
3300 * is up in CL73
3301 */
Yaniv Rosner7846e472009-11-05 19:18:07 +02003302 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
3303 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
3304 } else {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003305 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
Yaniv Rosner7846e472009-11-05 19:18:07 +02003306 }
3307
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003308 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003309 /* Set blinking rate to ~15.9Hz */
3310 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003311 LED_BLINK_RATE_VAL);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003312 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003313 port*4, 1);
Eilon Greenstein345b5d52008-08-13 15:58:12 -07003314 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003315 EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
Eilon Greenstein345b5d52008-08-13 15:58:12 -07003316
Yaniv Rosner7846e472009-11-05 19:18:07 +02003317 if (CHIP_IS_E1(bp) &&
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003318 ((speed == SPEED_2500) ||
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003319 (speed == SPEED_1000) ||
3320 (speed == SPEED_100) ||
3321 (speed == SPEED_10))) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003322 /*
3323 * On Everest 1 Ax chip versions for speeds less than
3324 * 10G LED scheme is different
3325 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003326 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003327 + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003328 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003329 port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003330 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003331 port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003332 }
3333 break;
3334
3335 default:
3336 rc = -EINVAL;
3337 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
3338 mode);
3339 break;
3340 }
3341 return rc;
3342
3343}
3344
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003345/*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003346 * This function comes to reflect the actual link state read DIRECTLY from the
3347 * HW
3348 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003349int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
3350 u8 is_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003351{
3352 struct bnx2x *bp = params->bp;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003353 u16 gp_status = 0, phy_index = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003354 u8 ext_phy_link_up = 0, serdes_phy_type;
3355 struct link_vars temp_vars;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003356
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003357 CL22_RD_OVER_CL45(bp, &params->phy[INT_PHY],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003358 MDIO_REG_BANK_GP_STATUS,
3359 MDIO_GP_STATUS_TOP_AN_STATUS1,
3360 &gp_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003361 /* link is up only if both local phy and external phy are up */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003362 if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
3363 return -ESRCH;
3364
3365 switch (params->num_phys) {
3366 case 1:
3367 /* No external PHY */
3368 return 0;
3369 case 2:
3370 ext_phy_link_up = params->phy[EXT_PHY1].read_status(
3371 &params->phy[EXT_PHY1],
3372 params, &temp_vars);
3373 break;
3374 case 3: /* Dual Media */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003375 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
3376 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003377 serdes_phy_type = ((params->phy[phy_index].media_type ==
3378 ETH_PHY_SFP_FIBER) ||
3379 (params->phy[phy_index].media_type ==
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00003380 ETH_PHY_XFP_FIBER) ||
3381 (params->phy[phy_index].media_type ==
3382 ETH_PHY_DA_TWINAX));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003383
3384 if (is_serdes != serdes_phy_type)
3385 continue;
3386 if (params->phy[phy_index].read_status) {
3387 ext_phy_link_up |=
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003388 params->phy[phy_index].read_status(
3389 &params->phy[phy_index],
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003390 params, &temp_vars);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003391 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003392 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003393 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003394 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003395 if (ext_phy_link_up)
3396 return 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003397 return -ESRCH;
3398}
3399
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003400static int bnx2x_link_initialize(struct link_params *params,
3401 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003402{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003403 int rc = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003404 u8 phy_index, non_ext_phy;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003405 struct bnx2x *bp = params->bp;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003406 /*
3407 * In case of external phy existence, the line speed would be the
3408 * line speed linked up by the external phy. In case it is direct
3409 * only, then the line_speed during initialization will be
3410 * equal to the req_line_speed
3411 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003412 vars->line_speed = params->phy[INT_PHY].req_line_speed;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003413
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003414 /*
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003415 * Initialize the internal phy in case this is a direct board
3416 * (no external phys), or this board has external phy which requires
3417 * to first.
3418 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003419
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003420 if (params->phy[INT_PHY].config_init)
3421 params->phy[INT_PHY].config_init(
3422 &params->phy[INT_PHY],
3423 params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003424
3425 /* init ext phy and enable link state int */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003426 non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003427 (params->loopback_mode == LOOPBACK_XGXS));
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003428
3429 if (non_ext_phy ||
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003430 (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
Eilon Greenstein8660d8c2009-03-02 08:01:02 +00003431 (params->loopback_mode == LOOPBACK_EXT_PHY)) {
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003432 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003433 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003434 bnx2x_set_parallel_detection(phy, params);
3435 bnx2x_init_internal_phy(phy, params, vars);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003436 }
3437
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003438 /* Init external phy*/
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003439 if (!non_ext_phy)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003440 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
3441 phy_index++) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003442 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003443 * No need to initialize second phy in case of first
3444 * phy only selection. In case of second phy, we do
3445 * need to initialize the first phy, since they are
3446 * connected.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003447 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003448 if (phy_index == EXT_PHY2 &&
3449 (bnx2x_phy_selection(params) ==
3450 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003451 DP(NETIF_MSG_LINK, "Not initializing"
3452 " second phy\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003453 continue;
3454 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003455 params->phy[phy_index].config_init(
3456 &params->phy[phy_index],
3457 params, vars);
3458 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003459
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003460 /* Reset the interrupt indication after phy was initialized */
3461 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
3462 params->port*4,
3463 (NIG_STATUS_XGXS0_LINK10G |
3464 NIG_STATUS_XGXS0_LINK_STATUS |
3465 NIG_STATUS_SERDES0_LINK_STATUS |
3466 NIG_MASK_MI_INT));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003467 return rc;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003468}
3469
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003470static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
3471 struct link_params *params)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003472{
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003473 /* reset the SerDes/XGXS */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003474 REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
3475 (0x1ff << (params->port*16)));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003476}
3477
3478static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
3479 struct link_params *params)
3480{
3481 struct bnx2x *bp = params->bp;
3482 u8 gpio_port;
3483 /* HW reset */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003484 if (CHIP_IS_E2(bp))
3485 gpio_port = BP_PATH(bp);
3486 else
3487 gpio_port = params->port;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003488 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003489 MISC_REGISTERS_GPIO_OUTPUT_LOW,
3490 gpio_port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003491 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003492 MISC_REGISTERS_GPIO_OUTPUT_LOW,
3493 gpio_port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003494 DP(NETIF_MSG_LINK, "reset external PHY\n");
3495}
3496
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003497static int bnx2x_update_link_down(struct link_params *params,
3498 struct link_vars *vars)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003499{
3500 struct bnx2x *bp = params->bp;
3501 u8 port = params->port;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003502
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003503 DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003504 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003505
3506 /* indicate no mac active */
3507 vars->mac_type = MAC_TYPE_NONE;
3508
3509 /* update shared memory */
3510 vars->link_status = 0;
3511 vars->line_speed = 0;
3512 bnx2x_update_mng(params, vars->link_status);
3513
3514 /* activate nig drain */
3515 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
3516
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00003517 /* disable emac */
3518 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
3519
3520 msleep(10);
3521
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003522 /* reset BigMac */
3523 bnx2x_bmac_rx_disable(bp, params->port);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003524 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
3525 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003526 return 0;
3527}
3528
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003529static int bnx2x_update_link_up(struct link_params *params,
3530 struct link_vars *vars,
3531 u8 link_10g)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003532{
3533 struct bnx2x *bp = params->bp;
3534 u8 port = params->port;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003535 int rc = 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003536
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003537 vars->link_status |= LINK_STATUS_LINK_UP;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003538
Yaniv Rosner7aa07112010-09-07 11:41:01 +00003539 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
3540 vars->link_status |=
3541 LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
3542
3543 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
3544 vars->link_status |=
3545 LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003546
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003547 if (link_10g) {
3548 bnx2x_bmac_enable(params, vars, 0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003549 bnx2x_set_led(params, vars,
3550 LED_MODE_OPER, SPEED_10000);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003551 } else {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003552 rc = bnx2x_emac_program(params, vars);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003553
Yaniv Rosner0c786f02009-11-05 19:18:32 +02003554 bnx2x_emac_enable(params, vars, 0);
3555
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003556 /* AN complete? */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003557 if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
3558 && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
3559 SINGLE_MEDIA_DIRECT(params))
3560 bnx2x_set_gmii_tx_driver(params);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003561 }
3562
3563 /* PBF - link up */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003564 if (!(CHIP_IS_E2(bp)))
3565 rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
3566 vars->line_speed);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003567
3568 /* disable drain */
3569 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
3570
3571 /* update shared memory */
3572 bnx2x_update_mng(params, vars->link_status);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00003573 msleep(20);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003574 return rc;
3575}
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003576/*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003577 * The bnx2x_link_update function should be called upon link
3578 * interrupt.
3579 * Link is considered up as follows:
3580 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
3581 * to be up
3582 * - SINGLE_MEDIA - The link between the 577xx and the external
3583 * phy (XGXS) need to up as well as the external link of the
3584 * phy (PHY_EXT1)
3585 * - DUAL_MEDIA - The link between the 577xx and the first
3586 * external phy needs to be up, and at least one of the 2
3587 * external phy link must be up.
Yaniv Rosner62b29a52010-09-07 11:40:58 +00003588 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003589int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003590{
3591 struct bnx2x *bp = params->bp;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003592 struct link_vars phy_vars[MAX_PHYS];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003593 u8 port = params->port;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003594 u8 link_10g, phy_index;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003595 u8 ext_phy_link_up = 0, cur_link_up;
3596 int rc = 0;
Eilon Greenstein2f904462009-08-12 08:22:16 +00003597 u8 is_mi_int = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003598 u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
3599 u8 active_external_phy = INT_PHY;
3600 vars->link_status = 0;
3601 for (phy_index = INT_PHY; phy_index < params->num_phys;
3602 phy_index++) {
3603 phy_vars[phy_index].flow_ctrl = 0;
3604 phy_vars[phy_index].link_status = 0;
3605 phy_vars[phy_index].line_speed = 0;
3606 phy_vars[phy_index].duplex = DUPLEX_FULL;
3607 phy_vars[phy_index].phy_link_up = 0;
3608 phy_vars[phy_index].link_up = 0;
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00003609 phy_vars[phy_index].fault_detected = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003610 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003611
3612 DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00003613 port, (vars->phy_flags & PHY_XGXS_FLAG),
3614 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003615
Eilon Greenstein2f904462009-08-12 08:22:16 +00003616 is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003617 port*0x18) > 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003618 DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00003619 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
3620 is_mi_int,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003621 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003622
3623 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
3624 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
3625 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
3626
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00003627 /* disable emac */
3628 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
3629
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003630 /*
3631 * Step 1:
3632 * Check external link change only for external phys, and apply
3633 * priority selection between them in case the link on both phys
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003634 * is up. Note that instead of the common vars, a temporary
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003635 * vars argument is used since each phy may have different link/
3636 * speed/duplex result
3637 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003638 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
3639 phy_index++) {
3640 struct bnx2x_phy *phy = &params->phy[phy_index];
3641 if (!phy->read_status)
3642 continue;
3643 /* Read link status and params of this ext phy */
3644 cur_link_up = phy->read_status(phy, params,
3645 &phy_vars[phy_index]);
3646 if (cur_link_up) {
3647 DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
3648 phy_index);
3649 } else {
3650 DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
3651 phy_index);
3652 continue;
3653 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003654
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003655 if (!ext_phy_link_up) {
3656 ext_phy_link_up = 1;
3657 active_external_phy = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003658 } else {
3659 switch (bnx2x_phy_selection(params)) {
3660 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
3661 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003662 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003663 * In this option, the first PHY makes sure to pass the
3664 * traffic through itself only.
3665 * Its not clear how to reset the link on the second phy
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003666 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003667 active_external_phy = EXT_PHY1;
3668 break;
3669 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003670 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003671 * In this option, the first PHY makes sure to pass the
3672 * traffic through the second PHY.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003673 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003674 active_external_phy = EXT_PHY2;
3675 break;
3676 default:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003677 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003678 * Link indication on both PHYs with the following cases
3679 * is invalid:
3680 * - FIRST_PHY means that second phy wasn't initialized,
3681 * hence its link is expected to be down
3682 * - SECOND_PHY means that first phy should not be able
3683 * to link up by itself (using configuration)
3684 * - DEFAULT should be overriden during initialiazation
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003685 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003686 DP(NETIF_MSG_LINK, "Invalid link indication"
3687 "mpc=0x%x. DISABLING LINK !!!\n",
3688 params->multi_phy_config);
3689 ext_phy_link_up = 0;
3690 break;
3691 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003692 }
3693 }
3694 prev_line_speed = vars->line_speed;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003695 /*
3696 * Step 2:
3697 * Read the status of the internal phy. In case of
3698 * DIRECT_SINGLE_MEDIA board, this link is the external link,
3699 * otherwise this is the link between the 577xx and the first
3700 * external phy
3701 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003702 if (params->phy[INT_PHY].read_status)
3703 params->phy[INT_PHY].read_status(
3704 &params->phy[INT_PHY],
3705 params, vars);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003706 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003707 * The INT_PHY flow control reside in the vars. This include the
3708 * case where the speed or flow control are not set to AUTO.
3709 * Otherwise, the active external phy flow control result is set
3710 * to the vars. The ext_phy_line_speed is needed to check if the
3711 * speed is different between the internal phy and external phy.
3712 * This case may be result of intermediate link speed change.
3713 */
3714 if (active_external_phy > INT_PHY) {
3715 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003716 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003717 * Link speed is taken from the XGXS. AN and FC result from
3718 * the external phy.
3719 */
3720 vars->link_status |= phy_vars[active_external_phy].link_status;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003721
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003722 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003723 * if active_external_phy is first PHY and link is up - disable
3724 * disable TX on second external PHY
3725 */
3726 if (active_external_phy == EXT_PHY1) {
3727 if (params->phy[EXT_PHY2].phy_specific_func) {
3728 DP(NETIF_MSG_LINK, "Disabling TX on"
3729 " EXT_PHY2\n");
3730 params->phy[EXT_PHY2].phy_specific_func(
3731 &params->phy[EXT_PHY2],
3732 params, DISABLE_TX);
3733 }
3734 }
3735
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003736 ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
3737 vars->duplex = phy_vars[active_external_phy].duplex;
3738 if (params->phy[active_external_phy].supported &
3739 SUPPORTED_FIBRE)
3740 vars->link_status |= LINK_STATUS_SERDES_LINK;
3741 DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
3742 active_external_phy);
3743 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003744
3745 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
3746 phy_index++) {
3747 if (params->phy[phy_index].flags &
3748 FLAGS_REARM_LATCH_SIGNAL) {
3749 bnx2x_rearm_latch_signal(bp, port,
3750 phy_index ==
3751 active_external_phy);
3752 break;
3753 }
3754 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003755 DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
3756 " ext_phy_line_speed = %d\n", vars->flow_ctrl,
3757 vars->link_status, ext_phy_line_speed);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003758 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003759 * Upon link speed change set the NIG into drain mode. Comes to
3760 * deals with possible FIFO glitch due to clk change when speed
3761 * is decreased without link down indicator
3762 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003763
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003764 if (vars->phy_link_up) {
3765 if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
3766 (ext_phy_line_speed != vars->line_speed)) {
3767 DP(NETIF_MSG_LINK, "Internal link speed %d is"
3768 " different than the external"
3769 " link speed %d\n", vars->line_speed,
3770 ext_phy_line_speed);
3771 vars->phy_link_up = 0;
3772 } else if (prev_line_speed != vars->line_speed) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003773 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
3774 0);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003775 msleep(1);
3776 }
3777 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003778
3779 /* anything 10 and over uses the bmac */
3780 link_10g = ((vars->line_speed == SPEED_10000) ||
3781 (vars->line_speed == SPEED_12000) ||
3782 (vars->line_speed == SPEED_12500) ||
3783 (vars->line_speed == SPEED_13000) ||
3784 (vars->line_speed == SPEED_15000) ||
3785 (vars->line_speed == SPEED_16000));
3786
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003787 bnx2x_link_int_ack(params, vars, link_10g);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003788
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003789 /*
3790 * In case external phy link is up, and internal link is down
3791 * (not initialized yet probably after link initialization, it
3792 * needs to be initialized.
3793 * Note that after link down-up as result of cable plug, the xgxs
3794 * link would probably become up again without the need
3795 * initialize it
3796 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003797 if (!(SINGLE_MEDIA_DIRECT(params))) {
3798 DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
3799 " init_preceding = %d\n", ext_phy_link_up,
3800 vars->phy_link_up,
3801 params->phy[EXT_PHY1].flags &
3802 FLAGS_INIT_XGXS_FIRST);
3803 if (!(params->phy[EXT_PHY1].flags &
3804 FLAGS_INIT_XGXS_FIRST)
3805 && ext_phy_link_up && !vars->phy_link_up) {
3806 vars->line_speed = ext_phy_line_speed;
3807 if (vars->line_speed < SPEED_1000)
3808 vars->phy_flags |= PHY_SGMII_FLAG;
3809 else
3810 vars->phy_flags &= ~PHY_SGMII_FLAG;
3811 bnx2x_init_internal_phy(&params->phy[INT_PHY],
3812 params,
3813 vars);
3814 }
3815 }
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003816 /*
3817 * Link is up only if both local phy and external phy (in case of
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003818 * non-direct board) are up and no fault detected on active PHY.
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003819 */
3820 vars->link_up = (vars->phy_link_up &&
3821 (ext_phy_link_up ||
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00003822 SINGLE_MEDIA_DIRECT(params)) &&
3823 (phy_vars[active_external_phy].fault_detected == 0));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003824
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003825 if (vars->link_up)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003826 rc = bnx2x_update_link_up(params, vars, link_10g);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003827 else
3828 rc = bnx2x_update_link_down(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003829
3830 return rc;
3831}
3832
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003833
3834/*****************************************************************************/
3835/* External Phy section */
3836/*****************************************************************************/
3837void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003838{
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003839 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003840 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003841 msleep(1);
3842 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003843 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003844}
3845
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003846static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
3847 u32 spirom_ver, u32 ver_addr)
3848{
3849 DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
3850 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
3851
3852 if (ver_addr)
3853 REG_WR(bp, ver_addr, spirom_ver);
3854}
3855
3856static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
3857 struct bnx2x_phy *phy,
3858 u8 port)
3859{
3860 u16 fw_ver1, fw_ver2;
3861
3862 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003863 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003864 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003865 MDIO_PMA_REG_ROM_VER2, &fw_ver2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003866 bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
3867 phy->ver_addr);
3868}
3869
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003870static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
3871 struct bnx2x_phy *phy,
3872 struct link_vars *vars)
3873{
3874 u16 val;
3875 bnx2x_cl45_read(bp, phy,
3876 MDIO_AN_DEVAD,
3877 MDIO_AN_REG_STATUS, &val);
3878 bnx2x_cl45_read(bp, phy,
3879 MDIO_AN_DEVAD,
3880 MDIO_AN_REG_STATUS, &val);
3881 if (val & (1<<5))
3882 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
3883 if ((val & (1<<0)) == 0)
3884 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
3885}
3886
3887/******************************************************************/
3888/* common BCM8073/BCM8727 PHY SECTION */
3889/******************************************************************/
3890static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
3891 struct link_params *params,
3892 struct link_vars *vars)
3893{
3894 struct bnx2x *bp = params->bp;
3895 if (phy->req_line_speed == SPEED_10 ||
3896 phy->req_line_speed == SPEED_100) {
3897 vars->flow_ctrl = phy->req_flow_ctrl;
3898 return;
3899 }
3900
3901 if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
3902 (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
3903 u16 pause_result;
3904 u16 ld_pause; /* local */
3905 u16 lp_pause; /* link partner */
3906 bnx2x_cl45_read(bp, phy,
3907 MDIO_AN_DEVAD,
3908 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3909
3910 bnx2x_cl45_read(bp, phy,
3911 MDIO_AN_DEVAD,
3912 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3913 pause_result = (ld_pause &
3914 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
3915 pause_result |= (lp_pause &
3916 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
3917
3918 bnx2x_pause_resolve(vars, pause_result);
3919 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
3920 pause_result);
3921 }
3922}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003923static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
3924 struct bnx2x_phy *phy,
3925 u8 port)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003926{
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00003927 u32 count = 0;
3928 u16 fw_ver1, fw_msgout;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003929 int rc = 0;
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00003930
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003931 /* Boot port from external ROM */
3932 /* EDC grst */
3933 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003934 MDIO_PMA_DEVAD,
3935 MDIO_PMA_REG_GEN_CTRL,
3936 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003937
3938 /* ucode reboot and rst */
3939 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003940 MDIO_PMA_DEVAD,
3941 MDIO_PMA_REG_GEN_CTRL,
3942 0x008c);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003943
3944 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003945 MDIO_PMA_DEVAD,
3946 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003947
3948 /* Reset internal microprocessor */
3949 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003950 MDIO_PMA_DEVAD,
3951 MDIO_PMA_REG_GEN_CTRL,
3952 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003953
3954 /* Release srst bit */
3955 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003956 MDIO_PMA_DEVAD,
3957 MDIO_PMA_REG_GEN_CTRL,
3958 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003959
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00003960 /* Delay 100ms per the PHY specifications */
3961 msleep(100);
3962
3963 /* 8073 sometimes taking longer to download */
3964 do {
3965 count++;
3966 if (count > 300) {
3967 DP(NETIF_MSG_LINK,
3968 "bnx2x_8073_8727_external_rom_boot port %x:"
3969 "Download failed. fw version = 0x%x\n",
3970 port, fw_ver1);
3971 rc = -EINVAL;
3972 break;
3973 }
3974
3975 bnx2x_cl45_read(bp, phy,
3976 MDIO_PMA_DEVAD,
3977 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
3978 bnx2x_cl45_read(bp, phy,
3979 MDIO_PMA_DEVAD,
3980 MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
3981
3982 msleep(1);
3983 } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
3984 ((fw_msgout & 0xff) != 0x03 && (phy->type ==
3985 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003986
3987 /* Clear ser_boot_ctl bit */
3988 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003989 MDIO_PMA_DEVAD,
3990 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003991 bnx2x_save_bcm_spirom_ver(bp, phy, port);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00003992
3993 DP(NETIF_MSG_LINK,
3994 "bnx2x_8073_8727_external_rom_boot port %x:"
3995 "Download complete. fw version = 0x%x\n",
3996 port, fw_ver1);
3997
3998 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003999}
4000
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004001/******************************************************************/
4002/* BCM8073 PHY SECTION */
4003/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004004static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004005{
4006 /* This is only required for 8073A1, version 102 only */
4007 u16 val;
4008
4009 /* Read 8073 HW revision*/
4010 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004011 MDIO_PMA_DEVAD,
4012 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004013
4014 if (val != 1) {
4015 /* No need to workaround in 8073 A1 */
4016 return 0;
4017 }
4018
4019 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004020 MDIO_PMA_DEVAD,
4021 MDIO_PMA_REG_ROM_VER2, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004022
4023 /* SNR should be applied only for version 0x102 */
4024 if (val != 0x102)
4025 return 0;
4026
4027 return 1;
4028}
4029
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004030static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004031{
4032 u16 val, cnt, cnt1 ;
4033
4034 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004035 MDIO_PMA_DEVAD,
4036 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004037
4038 if (val > 0) {
4039 /* No need to workaround in 8073 A1 */
4040 return 0;
4041 }
4042 /* XAUI workaround in 8073 A0: */
4043
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004044 /*
4045 * After loading the boot ROM and restarting Autoneg, poll
4046 * Dev1, Reg $C820:
4047 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004048
4049 for (cnt = 0; cnt < 1000; cnt++) {
4050 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004051 MDIO_PMA_DEVAD,
4052 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
4053 &val);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004054 /*
4055 * If bit [14] = 0 or bit [13] = 0, continue on with
4056 * system initialization (XAUI work-around not required, as
4057 * these bits indicate 2.5G or 1G link up).
4058 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004059 if (!(val & (1<<14)) || !(val & (1<<13))) {
4060 DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
4061 return 0;
4062 } else if (!(val & (1<<15))) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004063 DP(NETIF_MSG_LINK, "bit 15 went off\n");
4064 /*
4065 * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
4066 * MSB (bit15) goes to 1 (indicating that the XAUI
4067 * workaround has completed), then continue on with
4068 * system initialization.
4069 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004070 for (cnt1 = 0; cnt1 < 1000; cnt1++) {
4071 bnx2x_cl45_read(bp, phy,
4072 MDIO_PMA_DEVAD,
4073 MDIO_PMA_REG_8073_XAUI_WA, &val);
4074 if (val & (1<<15)) {
4075 DP(NETIF_MSG_LINK,
4076 "XAUI workaround has completed\n");
4077 return 0;
4078 }
4079 msleep(3);
4080 }
4081 break;
4082 }
4083 msleep(3);
4084 }
4085 DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
4086 return -EINVAL;
4087}
4088
4089static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
4090{
4091 /* Force KR or KX */
4092 bnx2x_cl45_write(bp, phy,
4093 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
4094 bnx2x_cl45_write(bp, phy,
4095 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
4096 bnx2x_cl45_write(bp, phy,
4097 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
4098 bnx2x_cl45_write(bp, phy,
4099 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
4100}
4101
4102static void bnx2x_8073_set_pause_cl37(struct link_params *params,
4103 struct bnx2x_phy *phy,
4104 struct link_vars *vars)
4105{
4106 u16 cl37_val;
4107 struct bnx2x *bp = params->bp;
4108 bnx2x_cl45_read(bp, phy,
4109 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
4110
4111 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
4112 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
4113 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
4114 if ((vars->ieee_fc &
4115 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
4116 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
4117 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
4118 }
4119 if ((vars->ieee_fc &
4120 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
4121 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
4122 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
4123 }
4124 if ((vars->ieee_fc &
4125 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
4126 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
4127 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
4128 }
4129 DP(NETIF_MSG_LINK,
4130 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
4131
4132 bnx2x_cl45_write(bp, phy,
4133 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
4134 msleep(500);
4135}
4136
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004137static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
4138 struct link_params *params,
4139 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004140{
4141 struct bnx2x *bp = params->bp;
4142 u16 val = 0, tmp1;
4143 u8 gpio_port;
4144 DP(NETIF_MSG_LINK, "Init 8073\n");
4145
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004146 if (CHIP_IS_E2(bp))
4147 gpio_port = BP_PATH(bp);
4148 else
4149 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004150 /* Restore normal power mode*/
4151 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004152 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004153
4154 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004155 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004156
4157 /* enable LASI */
4158 bnx2x_cl45_write(bp, phy,
4159 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, (1<<2));
4160 bnx2x_cl45_write(bp, phy,
4161 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x0004);
4162
4163 bnx2x_8073_set_pause_cl37(params, phy, vars);
4164
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004165 bnx2x_cl45_read(bp, phy,
4166 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
4167
4168 bnx2x_cl45_read(bp, phy,
4169 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
4170
4171 DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
4172
Yaniv Rosner74d7a112011-01-18 04:33:18 +00004173 /* Swap polarity if required - Must be done only in non-1G mode */
4174 if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
4175 /* Configure the 8073 to swap _P and _N of the KR lines */
4176 DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
4177 /* 10G Rx/Tx and 1G Tx signal polarity swap */
4178 bnx2x_cl45_read(bp, phy,
4179 MDIO_PMA_DEVAD,
4180 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
4181 bnx2x_cl45_write(bp, phy,
4182 MDIO_PMA_DEVAD,
4183 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
4184 (val | (3<<9)));
4185 }
4186
4187
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004188 /* Enable CL37 BAM */
Yaniv Rosner121839b2010-11-01 05:32:38 +00004189 if (REG_RD(bp, params->shmem_base +
4190 offsetof(struct shmem_region, dev_info.
4191 port_hw_config[params->port].default_cfg)) &
4192 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004193
Yaniv Rosner121839b2010-11-01 05:32:38 +00004194 bnx2x_cl45_read(bp, phy,
4195 MDIO_AN_DEVAD,
4196 MDIO_AN_REG_8073_BAM, &val);
4197 bnx2x_cl45_write(bp, phy,
4198 MDIO_AN_DEVAD,
4199 MDIO_AN_REG_8073_BAM, val | 1);
4200 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
4201 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004202 if (params->loopback_mode == LOOPBACK_EXT) {
4203 bnx2x_807x_force_10G(bp, phy);
4204 DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
4205 return 0;
4206 } else {
4207 bnx2x_cl45_write(bp, phy,
4208 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
4209 }
4210 if (phy->req_line_speed != SPEED_AUTO_NEG) {
4211 if (phy->req_line_speed == SPEED_10000) {
4212 val = (1<<7);
4213 } else if (phy->req_line_speed == SPEED_2500) {
4214 val = (1<<5);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004215 /*
4216 * Note that 2.5G works only when used with 1G
Lucas De Marchi25985ed2011-03-30 22:57:33 -03004217 * advertisement
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004218 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004219 } else
4220 val = (1<<5);
4221 } else {
4222 val = 0;
4223 if (phy->speed_cap_mask &
4224 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
4225 val |= (1<<7);
4226
Lucas De Marchi25985ed2011-03-30 22:57:33 -03004227 /* Note that 2.5G works only when used with 1G advertisement */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004228 if (phy->speed_cap_mask &
4229 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
4230 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
4231 val |= (1<<5);
4232 DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
4233 }
4234
4235 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
4236 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
4237
4238 if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
4239 (phy->req_line_speed == SPEED_AUTO_NEG)) ||
4240 (phy->req_line_speed == SPEED_2500)) {
4241 u16 phy_ver;
4242 /* Allow 2.5G for A1 and above */
4243 bnx2x_cl45_read(bp, phy,
4244 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
4245 &phy_ver);
4246 DP(NETIF_MSG_LINK, "Add 2.5G\n");
4247 if (phy_ver > 0)
4248 tmp1 |= 1;
4249 else
4250 tmp1 &= 0xfffe;
4251 } else {
4252 DP(NETIF_MSG_LINK, "Disable 2.5G\n");
4253 tmp1 &= 0xfffe;
4254 }
4255
4256 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
4257 /* Add support for CL37 (passive mode) II */
4258
4259 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
4260 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
4261 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
4262 0x20 : 0x40)));
4263
4264 /* Add support for CL37 (passive mode) III */
4265 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
4266
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004267 /*
4268 * The SNR will improve about 2db by changing BW and FEE main
4269 * tap. Rest commands are executed after link is up
4270 * Change FFE main cursor to 5 in EDC register
4271 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004272 if (bnx2x_8073_is_snr_needed(bp, phy))
4273 bnx2x_cl45_write(bp, phy,
4274 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
4275 0xFB0C);
4276
4277 /* Enable FEC (Forware Error Correction) Request in the AN */
4278 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
4279 tmp1 |= (1<<15);
4280 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
4281
4282 bnx2x_ext_phy_set_pause(params, phy, vars);
4283
4284 /* Restart autoneg */
4285 msleep(500);
4286 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
4287 DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
4288 ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
4289 return 0;
4290}
4291
4292static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
4293 struct link_params *params,
4294 struct link_vars *vars)
4295{
4296 struct bnx2x *bp = params->bp;
4297 u8 link_up = 0;
4298 u16 val1, val2;
4299 u16 link_status = 0;
4300 u16 an1000_status = 0;
4301
4302 bnx2x_cl45_read(bp, phy,
4303 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
4304
4305 DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
4306
4307 /* clear the interrupt LASI status register */
4308 bnx2x_cl45_read(bp, phy,
4309 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
4310 bnx2x_cl45_read(bp, phy,
4311 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
4312 DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
4313 /* Clear MSG-OUT */
4314 bnx2x_cl45_read(bp, phy,
4315 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
4316
4317 /* Check the LASI */
4318 bnx2x_cl45_read(bp, phy,
4319 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
4320
4321 DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
4322
4323 /* Check the link status */
4324 bnx2x_cl45_read(bp, phy,
4325 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
4326 DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
4327
4328 bnx2x_cl45_read(bp, phy,
4329 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
4330 bnx2x_cl45_read(bp, phy,
4331 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
4332 link_up = ((val1 & 4) == 4);
4333 DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
4334
4335 if (link_up &&
4336 ((phy->req_line_speed != SPEED_10000))) {
4337 if (bnx2x_8073_xaui_wa(bp, phy) != 0)
4338 return 0;
4339 }
4340 bnx2x_cl45_read(bp, phy,
4341 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
4342 bnx2x_cl45_read(bp, phy,
4343 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
4344
4345 /* Check the link status on 1.1.2 */
4346 bnx2x_cl45_read(bp, phy,
4347 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
4348 bnx2x_cl45_read(bp, phy,
4349 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
4350 DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
4351 "an_link_status=0x%x\n", val2, val1, an1000_status);
4352
4353 link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
4354 if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004355 /*
4356 * The SNR will improve about 2dbby changing the BW and FEE main
4357 * tap. The 1st write to change FFE main tap is set before
4358 * restart AN. Change PLL Bandwidth in EDC register
4359 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004360 bnx2x_cl45_write(bp, phy,
4361 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
4362 0x26BC);
4363
4364 /* Change CDR Bandwidth in EDC register */
4365 bnx2x_cl45_write(bp, phy,
4366 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
4367 0x0333);
4368 }
4369 bnx2x_cl45_read(bp, phy,
4370 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
4371 &link_status);
4372
4373 /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
4374 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
4375 link_up = 1;
4376 vars->line_speed = SPEED_10000;
4377 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
4378 params->port);
4379 } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
4380 link_up = 1;
4381 vars->line_speed = SPEED_2500;
4382 DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
4383 params->port);
4384 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
4385 link_up = 1;
4386 vars->line_speed = SPEED_1000;
4387 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
4388 params->port);
4389 } else {
4390 link_up = 0;
4391 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
4392 params->port);
4393 }
4394
4395 if (link_up) {
Yaniv Rosner74d7a112011-01-18 04:33:18 +00004396 /* Swap polarity if required */
4397 if (params->lane_config &
4398 PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
4399 /* Configure the 8073 to swap P and N of the KR lines */
4400 bnx2x_cl45_read(bp, phy,
4401 MDIO_XS_DEVAD,
4402 MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004403 /*
4404 * Set bit 3 to invert Rx in 1G mode and clear this bit
4405 * when it`s in 10G mode.
4406 */
Yaniv Rosner74d7a112011-01-18 04:33:18 +00004407 if (vars->line_speed == SPEED_1000) {
4408 DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
4409 "the 8073\n");
4410 val1 |= (1<<3);
4411 } else
4412 val1 &= ~(1<<3);
4413
4414 bnx2x_cl45_write(bp, phy,
4415 MDIO_XS_DEVAD,
4416 MDIO_XS_REG_8073_RX_CTRL_PCIE,
4417 val1);
4418 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004419 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
4420 bnx2x_8073_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00004421 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004422 }
4423 return link_up;
4424}
4425
4426static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
4427 struct link_params *params)
4428{
4429 struct bnx2x *bp = params->bp;
4430 u8 gpio_port;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004431 if (CHIP_IS_E2(bp))
4432 gpio_port = BP_PATH(bp);
4433 else
4434 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004435 DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
4436 gpio_port);
4437 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004438 MISC_REGISTERS_GPIO_OUTPUT_LOW,
4439 gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004440}
4441
4442/******************************************************************/
4443/* BCM8705 PHY SECTION */
4444/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004445static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
4446 struct link_params *params,
4447 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004448{
4449 struct bnx2x *bp = params->bp;
4450 DP(NETIF_MSG_LINK, "init 8705\n");
4451 /* Restore normal power mode*/
4452 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004453 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004454 /* HW reset */
4455 bnx2x_ext_phy_hw_reset(bp, params->port);
4456 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00004457 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004458
4459 bnx2x_cl45_write(bp, phy,
4460 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
4461 bnx2x_cl45_write(bp, phy,
4462 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
4463 bnx2x_cl45_write(bp, phy,
4464 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
4465 bnx2x_cl45_write(bp, phy,
4466 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
4467 /* BCM8705 doesn't have microcode, hence the 0 */
4468 bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
4469 return 0;
4470}
4471
4472static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
4473 struct link_params *params,
4474 struct link_vars *vars)
4475{
4476 u8 link_up = 0;
4477 u16 val1, rx_sd;
4478 struct bnx2x *bp = params->bp;
4479 DP(NETIF_MSG_LINK, "read status 8705\n");
4480 bnx2x_cl45_read(bp, phy,
4481 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
4482 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
4483
4484 bnx2x_cl45_read(bp, phy,
4485 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
4486 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
4487
4488 bnx2x_cl45_read(bp, phy,
4489 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
4490
4491 bnx2x_cl45_read(bp, phy,
4492 MDIO_PMA_DEVAD, 0xc809, &val1);
4493 bnx2x_cl45_read(bp, phy,
4494 MDIO_PMA_DEVAD, 0xc809, &val1);
4495
4496 DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
4497 link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
4498 if (link_up) {
4499 vars->line_speed = SPEED_10000;
4500 bnx2x_ext_phy_resolve_fc(phy, params, vars);
4501 }
4502 return link_up;
4503}
4504
4505/******************************************************************/
4506/* SFP+ module Section */
4507/******************************************************************/
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00004508static u8 bnx2x_get_gpio_port(struct link_params *params)
4509{
4510 u8 gpio_port;
4511 u32 swap_val, swap_override;
4512 struct bnx2x *bp = params->bp;
4513 if (CHIP_IS_E2(bp))
4514 gpio_port = BP_PATH(bp);
4515 else
4516 gpio_port = params->port;
4517 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
4518 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
4519 return gpio_port ^ (swap_val && swap_override);
4520}
4521static void bnx2x_sfp_set_transmitter(struct link_params *params,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004522 struct bnx2x_phy *phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004523 u8 tx_en)
4524{
4525 u16 val;
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00004526 u8 port = params->port;
4527 struct bnx2x *bp = params->bp;
4528 u32 tx_en_mode;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004529
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004530 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00004531 tx_en_mode = REG_RD(bp, params->shmem_base +
4532 offsetof(struct shmem_region,
4533 dev_info.port_hw_config[port].sfp_ctrl)) &
4534 PORT_HW_CFG_TX_LASER_MASK;
4535 DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
4536 "mode = %x\n", tx_en, port, tx_en_mode);
4537 switch (tx_en_mode) {
4538 case PORT_HW_CFG_TX_LASER_MDIO:
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004539
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00004540 bnx2x_cl45_read(bp, phy,
4541 MDIO_PMA_DEVAD,
4542 MDIO_PMA_REG_PHY_IDENTIFIER,
4543 &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004544
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00004545 if (tx_en)
4546 val &= ~(1<<15);
4547 else
4548 val |= (1<<15);
4549
4550 bnx2x_cl45_write(bp, phy,
4551 MDIO_PMA_DEVAD,
4552 MDIO_PMA_REG_PHY_IDENTIFIER,
4553 val);
4554 break;
4555 case PORT_HW_CFG_TX_LASER_GPIO0:
4556 case PORT_HW_CFG_TX_LASER_GPIO1:
4557 case PORT_HW_CFG_TX_LASER_GPIO2:
4558 case PORT_HW_CFG_TX_LASER_GPIO3:
4559 {
4560 u16 gpio_pin;
4561 u8 gpio_port, gpio_mode;
4562 if (tx_en)
4563 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
4564 else
4565 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
4566
4567 gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
4568 gpio_port = bnx2x_get_gpio_port(params);
4569 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
4570 break;
4571 }
4572 default:
4573 DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
4574 break;
4575 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004576}
4577
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004578static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
4579 struct link_params *params,
4580 u16 addr, u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004581{
4582 struct bnx2x *bp = params->bp;
4583 u16 val = 0;
4584 u16 i;
4585 if (byte_cnt > 16) {
4586 DP(NETIF_MSG_LINK, "Reading from eeprom is"
4587 " is limited to 0xf\n");
4588 return -EINVAL;
4589 }
4590 /* Set the read command byte count */
4591 bnx2x_cl45_write(bp, phy,
4592 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004593 (byte_cnt | 0xa000));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004594
4595 /* Set the read command address */
4596 bnx2x_cl45_write(bp, phy,
4597 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004598 addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004599
4600 /* Activate read command */
4601 bnx2x_cl45_write(bp, phy,
4602 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004603 0x2c0f);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004604
4605 /* Wait up to 500us for command complete status */
4606 for (i = 0; i < 100; i++) {
4607 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004608 MDIO_PMA_DEVAD,
4609 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004610 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
4611 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
4612 break;
4613 udelay(5);
4614 }
4615
4616 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
4617 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
4618 DP(NETIF_MSG_LINK,
4619 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
4620 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
4621 return -EINVAL;
4622 }
4623
4624 /* Read the buffer */
4625 for (i = 0; i < byte_cnt; i++) {
4626 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004627 MDIO_PMA_DEVAD,
4628 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004629 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
4630 }
4631
4632 for (i = 0; i < 100; i++) {
4633 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004634 MDIO_PMA_DEVAD,
4635 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004636 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
4637 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
Joe Perches6f38ad92010-11-14 17:04:31 +00004638 return 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004639 msleep(1);
4640 }
4641 return -EINVAL;
4642}
4643
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004644static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
4645 struct link_params *params,
4646 u16 addr, u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004647{
4648 struct bnx2x *bp = params->bp;
4649 u16 val, i;
4650
4651 if (byte_cnt > 16) {
4652 DP(NETIF_MSG_LINK, "Reading from eeprom is"
4653 " is limited to 0xf\n");
4654 return -EINVAL;
4655 }
4656
4657 /* Need to read from 1.8000 to clear it */
4658 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004659 MDIO_PMA_DEVAD,
4660 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
4661 &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004662
4663 /* Set the read command byte count */
4664 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004665 MDIO_PMA_DEVAD,
4666 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
4667 ((byte_cnt < 2) ? 2 : byte_cnt));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004668
4669 /* Set the read command address */
4670 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004671 MDIO_PMA_DEVAD,
4672 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
4673 addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004674 /* Set the destination address */
4675 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004676 MDIO_PMA_DEVAD,
4677 0x8004,
4678 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004679
4680 /* Activate read command */
4681 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004682 MDIO_PMA_DEVAD,
4683 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
4684 0x8002);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004685 /*
4686 * Wait appropriate time for two-wire command to finish before
4687 * polling the status register
4688 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004689 msleep(1);
4690
4691 /* Wait up to 500us for command complete status */
4692 for (i = 0; i < 100; i++) {
4693 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004694 MDIO_PMA_DEVAD,
4695 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004696 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
4697 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
4698 break;
4699 udelay(5);
4700 }
4701
4702 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
4703 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
4704 DP(NETIF_MSG_LINK,
4705 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
4706 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
Yaniv Rosner65a001b2011-01-31 04:22:03 +00004707 return -EFAULT;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004708 }
4709
4710 /* Read the buffer */
4711 for (i = 0; i < byte_cnt; i++) {
4712 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004713 MDIO_PMA_DEVAD,
4714 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004715 o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
4716 }
4717
4718 for (i = 0; i < 100; i++) {
4719 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004720 MDIO_PMA_DEVAD,
4721 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004722 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
4723 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
Joe Perches6f38ad92010-11-14 17:04:31 +00004724 return 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004725 msleep(1);
4726 }
4727
4728 return -EINVAL;
4729}
4730
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004731int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
4732 struct link_params *params, u16 addr,
4733 u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004734{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004735 int rc = -EINVAL;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00004736 switch (phy->type) {
4737 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
4738 rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
4739 byte_cnt, o_buf);
4740 break;
4741 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
4742 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
4743 rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
4744 byte_cnt, o_buf);
4745 break;
4746 }
4747 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004748}
4749
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004750static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
4751 struct link_params *params,
4752 u16 *edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004753{
4754 struct bnx2x *bp = params->bp;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00004755 u32 sync_offset = 0, phy_idx, media_types;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004756 u8 val, check_limiting_mode = 0;
4757 *edc_mode = EDC_MODE_LIMITING;
4758
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00004759 phy->media_type = ETH_PHY_UNSPECIFIED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004760 /* First check for copper cable */
4761 if (bnx2x_read_sfp_module_eeprom(phy,
4762 params,
4763 SFP_EEPROM_CON_TYPE_ADDR,
4764 1,
4765 &val) != 0) {
4766 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
4767 return -EINVAL;
4768 }
4769
4770 switch (val) {
4771 case SFP_EEPROM_CON_TYPE_VAL_COPPER:
4772 {
4773 u8 copper_module_type;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00004774 phy->media_type = ETH_PHY_DA_TWINAX;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004775 /*
4776 * Check if its active cable (includes SFP+ module)
4777 * of passive cable
4778 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004779 if (bnx2x_read_sfp_module_eeprom(phy,
4780 params,
4781 SFP_EEPROM_FC_TX_TECH_ADDR,
4782 1,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00004783 &copper_module_type) != 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004784 DP(NETIF_MSG_LINK,
4785 "Failed to read copper-cable-type"
4786 " from SFP+ EEPROM\n");
4787 return -EINVAL;
4788 }
4789
4790 if (copper_module_type &
4791 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
4792 DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
4793 check_limiting_mode = 1;
4794 } else if (copper_module_type &
4795 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
4796 DP(NETIF_MSG_LINK, "Passive Copper"
4797 " cable detected\n");
4798 *edc_mode =
4799 EDC_MODE_PASSIVE_DAC;
4800 } else {
4801 DP(NETIF_MSG_LINK, "Unknown copper-cable-"
4802 "type 0x%x !!!\n", copper_module_type);
4803 return -EINVAL;
4804 }
4805 break;
4806 }
4807 case SFP_EEPROM_CON_TYPE_VAL_LC:
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00004808 phy->media_type = ETH_PHY_SFP_FIBER;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004809 DP(NETIF_MSG_LINK, "Optic module detected\n");
4810 check_limiting_mode = 1;
4811 break;
4812 default:
4813 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
4814 val);
4815 return -EINVAL;
4816 }
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00004817 sync_offset = params->shmem_base +
4818 offsetof(struct shmem_region,
4819 dev_info.port_hw_config[params->port].media_type);
4820 media_types = REG_RD(bp, sync_offset);
4821 /* Update media type for non-PMF sync */
4822 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
4823 if (&(params->phy[phy_idx]) == phy) {
4824 media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
4825 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
4826 media_types |= ((phy->media_type &
4827 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
4828 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
4829 break;
4830 }
4831 }
4832 REG_WR(bp, sync_offset, media_types);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004833 if (check_limiting_mode) {
4834 u8 options[SFP_EEPROM_OPTIONS_SIZE];
4835 if (bnx2x_read_sfp_module_eeprom(phy,
4836 params,
4837 SFP_EEPROM_OPTIONS_ADDR,
4838 SFP_EEPROM_OPTIONS_SIZE,
4839 options) != 0) {
4840 DP(NETIF_MSG_LINK, "Failed to read Option"
4841 " field from module EEPROM\n");
4842 return -EINVAL;
4843 }
4844 if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
4845 *edc_mode = EDC_MODE_LINEAR;
4846 else
4847 *edc_mode = EDC_MODE_LIMITING;
4848 }
4849 DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
4850 return 0;
4851}
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004852/*
4853 * This function read the relevant field from the module (SFP+), and verify it
4854 * is compliant with this board
4855 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004856static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
4857 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004858{
4859 struct bnx2x *bp = params->bp;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004860 u32 val, cmd;
4861 u32 fw_resp, fw_cmd_param;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004862 char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
4863 char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004864 phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004865 val = REG_RD(bp, params->shmem_base +
4866 offsetof(struct shmem_region, dev_info.
4867 port_feature_config[params->port].config));
4868 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
4869 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
4870 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
4871 return 0;
4872 }
4873
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004874 if (params->feature_config_flags &
4875 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
4876 /* Use specific phy request */
4877 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
4878 } else if (params->feature_config_flags &
4879 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
4880 /* Use first phy request only in case of non-dual media*/
4881 if (DUAL_MEDIA(params)) {
4882 DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
4883 "verification\n");
4884 return -EINVAL;
4885 }
4886 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
4887 } else {
4888 /* No support in OPT MDL detection */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004889 DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004890 "verification\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004891 return -EINVAL;
4892 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004893
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004894 fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
4895 fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004896 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
4897 DP(NETIF_MSG_LINK, "Approved module\n");
4898 return 0;
4899 }
4900
4901 /* format the warning message */
4902 if (bnx2x_read_sfp_module_eeprom(phy,
4903 params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004904 SFP_EEPROM_VENDOR_NAME_ADDR,
4905 SFP_EEPROM_VENDOR_NAME_SIZE,
4906 (u8 *)vendor_name))
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004907 vendor_name[0] = '\0';
4908 else
4909 vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
4910 if (bnx2x_read_sfp_module_eeprom(phy,
4911 params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004912 SFP_EEPROM_PART_NO_ADDR,
4913 SFP_EEPROM_PART_NO_SIZE,
4914 (u8 *)vendor_pn))
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004915 vendor_pn[0] = '\0';
4916 else
4917 vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
4918
Yaniv Rosner6d870c32011-01-31 04:22:20 +00004919 netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
4920 " Port %d from %s part number %s\n",
4921 params->port, vendor_name, vendor_pn);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004922 phy->flags |= FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004923 return -EINVAL;
4924}
4925
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004926static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
4927 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004928
4929{
4930 u8 val;
4931 struct bnx2x *bp = params->bp;
4932 u16 timeout;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004933 /*
4934 * Initialization time after hot-plug may take up to 300ms for
4935 * some phys type ( e.g. JDSU )
4936 */
4937
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004938 for (timeout = 0; timeout < 60; timeout++) {
4939 if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
4940 == 0) {
4941 DP(NETIF_MSG_LINK, "SFP+ module initialization "
4942 "took %d ms\n", timeout * 5);
4943 return 0;
4944 }
4945 msleep(5);
4946 }
4947 return -EINVAL;
4948}
4949
4950static void bnx2x_8727_power_module(struct bnx2x *bp,
4951 struct bnx2x_phy *phy,
4952 u8 is_power_up) {
4953 /* Make sure GPIOs are not using for LED mode */
4954 u16 val;
4955 /*
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004956 * In the GPIO register, bit 4 is use to determine if the GPIOs are
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004957 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
4958 * output
4959 * Bits 0-1 determine the gpios value for OUTPUT in case bit 4 val is 0
4960 * Bits 8-9 determine the gpios value for INPUT in case bit 4 val is 1
4961 * where the 1st bit is the over-current(only input), and 2nd bit is
4962 * for power( only output )
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004963 *
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004964 * In case of NOC feature is disabled and power is up, set GPIO control
4965 * as input to enable listening of over-current indication
4966 */
4967 if (phy->flags & FLAGS_NOC)
4968 return;
Yaniv Rosner27d02432011-05-31 21:27:48 +00004969 if (is_power_up)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004970 val = (1<<4);
4971 else
4972 /*
4973 * Set GPIO control to OUTPUT, and set the power bit
4974 * to according to the is_power_up
4975 */
Yaniv Rosner27d02432011-05-31 21:27:48 +00004976 val = (1<<1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004977
4978 bnx2x_cl45_write(bp, phy,
4979 MDIO_PMA_DEVAD,
4980 MDIO_PMA_REG_8727_GPIO_CTRL,
4981 val);
4982}
4983
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004984static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
4985 struct bnx2x_phy *phy,
4986 u16 edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004987{
4988 u16 cur_limiting_mode;
4989
4990 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004991 MDIO_PMA_DEVAD,
4992 MDIO_PMA_REG_ROM_VER2,
4993 &cur_limiting_mode);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004994 DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
4995 cur_limiting_mode);
4996
4997 if (edc_mode == EDC_MODE_LIMITING) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004998 DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004999 bnx2x_cl45_write(bp, phy,
5000 MDIO_PMA_DEVAD,
5001 MDIO_PMA_REG_ROM_VER2,
5002 EDC_MODE_LIMITING);
5003 } else { /* LRM mode ( default )*/
5004
5005 DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
5006
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005007 /*
5008 * Changing to LRM mode takes quite few seconds. So do it only
5009 * if current mode is limiting (default is LRM)
5010 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005011 if (cur_limiting_mode != EDC_MODE_LIMITING)
5012 return 0;
5013
5014 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005015 MDIO_PMA_DEVAD,
5016 MDIO_PMA_REG_LRM_MODE,
5017 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005018 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005019 MDIO_PMA_DEVAD,
5020 MDIO_PMA_REG_ROM_VER2,
5021 0x128);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005022 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005023 MDIO_PMA_DEVAD,
5024 MDIO_PMA_REG_MISC_CTRL0,
5025 0x4008);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005026 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005027 MDIO_PMA_DEVAD,
5028 MDIO_PMA_REG_LRM_MODE,
5029 0xaaaa);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005030 }
5031 return 0;
5032}
5033
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005034static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
5035 struct bnx2x_phy *phy,
5036 u16 edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005037{
5038 u16 phy_identifier;
5039 u16 rom_ver2_val;
5040 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005041 MDIO_PMA_DEVAD,
5042 MDIO_PMA_REG_PHY_IDENTIFIER,
5043 &phy_identifier);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005044
5045 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005046 MDIO_PMA_DEVAD,
5047 MDIO_PMA_REG_PHY_IDENTIFIER,
5048 (phy_identifier & ~(1<<9)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005049
5050 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005051 MDIO_PMA_DEVAD,
5052 MDIO_PMA_REG_ROM_VER2,
5053 &rom_ver2_val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005054 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
5055 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005056 MDIO_PMA_DEVAD,
5057 MDIO_PMA_REG_ROM_VER2,
5058 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005059
5060 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005061 MDIO_PMA_DEVAD,
5062 MDIO_PMA_REG_PHY_IDENTIFIER,
5063 (phy_identifier | (1<<9)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005064
5065 return 0;
5066}
5067
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005068static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
5069 struct link_params *params,
5070 u32 action)
5071{
5072 struct bnx2x *bp = params->bp;
5073
5074 switch (action) {
5075 case DISABLE_TX:
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005076 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005077 break;
5078 case ENABLE_TX:
5079 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005080 bnx2x_sfp_set_transmitter(params, phy, 1);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005081 break;
5082 default:
5083 DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
5084 action);
5085 return;
5086 }
5087}
5088
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005089static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
5090 u8 gpio_mode)
5091{
5092 struct bnx2x *bp = params->bp;
5093
5094 u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
5095 offsetof(struct shmem_region,
5096 dev_info.port_hw_config[params->port].sfp_ctrl)) &
5097 PORT_HW_CFG_FAULT_MODULE_LED_MASK;
5098 switch (fault_led_gpio) {
5099 case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
5100 return;
5101 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
5102 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
5103 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
5104 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
5105 {
5106 u8 gpio_port = bnx2x_get_gpio_port(params);
5107 u16 gpio_pin = fault_led_gpio -
5108 PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
5109 DP(NETIF_MSG_LINK, "Set fault module-detected led "
5110 "pin %x port %x mode %x\n",
5111 gpio_pin, gpio_port, gpio_mode);
5112 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
5113 }
5114 break;
5115 default:
5116 DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
5117 fault_led_gpio);
5118 }
5119}
5120
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00005121static void bnx2x_power_sfp_module(struct link_params *params,
5122 struct bnx2x_phy *phy,
5123 u8 power)
5124{
5125 struct bnx2x *bp = params->bp;
5126 DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
5127
5128 switch (phy->type) {
5129 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
5130 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
5131 bnx2x_8727_power_module(params->bp, phy, power);
5132 break;
5133 default:
5134 break;
5135 }
5136}
5137
5138static void bnx2x_set_limiting_mode(struct link_params *params,
5139 struct bnx2x_phy *phy,
5140 u16 edc_mode)
5141{
5142 switch (phy->type) {
5143 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
5144 bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
5145 break;
5146 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
5147 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
5148 bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
5149 break;
5150 }
5151}
5152
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005153int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
5154 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005155{
5156 struct bnx2x *bp = params->bp;
5157 u16 edc_mode;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005158 int rc = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005159
5160 u32 val = REG_RD(bp, params->shmem_base +
5161 offsetof(struct shmem_region, dev_info.
5162 port_feature_config[params->port].config));
5163
5164 DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
5165 params->port);
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00005166 /* Power up module */
5167 bnx2x_power_sfp_module(params, phy, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005168 if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
5169 DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
5170 return -EINVAL;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005171 } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005172 /* check SFP+ module compatibility */
5173 DP(NETIF_MSG_LINK, "Module verification failed!!\n");
5174 rc = -EINVAL;
5175 /* Turn on fault module-detected led */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005176 bnx2x_set_sfp_module_fault_led(params,
5177 MISC_REGISTERS_GPIO_HIGH);
5178
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00005179 /* Check if need to power down the SFP+ module */
5180 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
5181 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005182 DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00005183 bnx2x_power_sfp_module(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005184 return rc;
5185 }
5186 } else {
5187 /* Turn off fault module-detected led */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005188 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005189 }
5190
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005191 /*
5192 * Check and set limiting mode / LRM mode on 8726. On 8727 it
5193 * is done automatically
5194 */
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00005195 bnx2x_set_limiting_mode(params, phy, edc_mode);
5196
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005197 /*
5198 * Enable transmit for this module if the module is approved, or
5199 * if unapproved modules should also enable the Tx laser
5200 */
5201 if (rc == 0 ||
5202 (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
5203 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005204 bnx2x_sfp_set_transmitter(params, phy, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005205 else
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005206 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005207
5208 return rc;
5209}
5210
5211void bnx2x_handle_module_detect_int(struct link_params *params)
5212{
5213 struct bnx2x *bp = params->bp;
5214 struct bnx2x_phy *phy = &params->phy[EXT_PHY1];
5215 u32 gpio_val;
5216 u8 port = params->port;
5217
5218 /* Set valid module led off */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005219 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005220
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005221 /* Get current gpio val reflecting module plugged in / out*/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005222 gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port);
5223
5224 /* Call the handling function in case module is detected */
5225 if (gpio_val == 0) {
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00005226 bnx2x_power_sfp_module(params, phy, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005227 bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
5228 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
5229 port);
5230
5231 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
5232 bnx2x_sfp_module_detection(phy, params);
5233 else
5234 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
5235 } else {
5236 u32 val = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005237 offsetof(struct shmem_region, dev_info.
5238 port_feature_config[params->port].
5239 config));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005240
5241 bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
5242 MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
5243 port);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005244 /*
5245 * Module was plugged out.
5246 * Disable transmit for this module
5247 */
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00005248 phy->media_type = ETH_PHY_NOT_PRESENT;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005249 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
5250 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005251 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005252 }
5253}
5254
5255/******************************************************************/
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00005256/* Used by 8706 and 8727 */
5257/******************************************************************/
5258static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
5259 struct bnx2x_phy *phy,
5260 u16 alarm_status_offset,
5261 u16 alarm_ctrl_offset)
5262{
5263 u16 alarm_status, val;
5264 bnx2x_cl45_read(bp, phy,
5265 MDIO_PMA_DEVAD, alarm_status_offset,
5266 &alarm_status);
5267 bnx2x_cl45_read(bp, phy,
5268 MDIO_PMA_DEVAD, alarm_status_offset,
5269 &alarm_status);
5270 /* Mask or enable the fault event. */
5271 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
5272 if (alarm_status & (1<<0))
5273 val &= ~(1<<0);
5274 else
5275 val |= (1<<0);
5276 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
5277}
5278/******************************************************************/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005279/* common BCM8706/BCM8726 PHY SECTION */
5280/******************************************************************/
5281static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
5282 struct link_params *params,
5283 struct link_vars *vars)
5284{
5285 u8 link_up = 0;
5286 u16 val1, val2, rx_sd, pcs_status;
5287 struct bnx2x *bp = params->bp;
5288 DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
5289 /* Clear RX Alarm*/
5290 bnx2x_cl45_read(bp, phy,
5291 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00005292
5293 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_REG_TX_ALARM,
5294 MDIO_PMA_REG_TX_ALARM_CTRL);
5295
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005296 /* clear LASI indication*/
5297 bnx2x_cl45_read(bp, phy,
5298 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
5299 bnx2x_cl45_read(bp, phy,
5300 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
5301 DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
5302
5303 bnx2x_cl45_read(bp, phy,
5304 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
5305 bnx2x_cl45_read(bp, phy,
5306 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
5307 bnx2x_cl45_read(bp, phy,
5308 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
5309 bnx2x_cl45_read(bp, phy,
5310 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
5311
5312 DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
5313 " link_status 0x%x\n", rx_sd, pcs_status, val2);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005314 /*
5315 * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
5316 * are set, or if the autoneg bit 1 is set
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005317 */
5318 link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
5319 if (link_up) {
5320 if (val2 & (1<<1))
5321 vars->line_speed = SPEED_1000;
5322 else
5323 vars->line_speed = SPEED_10000;
5324 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00005325 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005326 }
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00005327
5328 /* Capture 10G link fault. Read twice to clear stale value. */
5329 if (vars->line_speed == SPEED_10000) {
5330 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
5331 MDIO_PMA_REG_TX_ALARM, &val1);
5332 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
5333 MDIO_PMA_REG_TX_ALARM, &val1);
5334 if (val1 & (1<<0))
5335 vars->fault_detected = 1;
5336 }
5337
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005338 return link_up;
5339}
5340
5341/******************************************************************/
5342/* BCM8706 PHY SECTION */
5343/******************************************************************/
5344static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
5345 struct link_params *params,
5346 struct link_vars *vars)
5347{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005348 u32 tx_en_mode;
5349 u16 cnt, val, tmp1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005350 struct bnx2x *bp = params->bp;
5351 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005352 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005353 /* HW reset */
5354 bnx2x_ext_phy_hw_reset(bp, params->port);
5355 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00005356 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005357
5358 /* Wait until fw is loaded */
5359 for (cnt = 0; cnt < 100; cnt++) {
5360 bnx2x_cl45_read(bp, phy,
5361 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
5362 if (val)
5363 break;
5364 msleep(10);
5365 }
5366 DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
5367 if ((params->feature_config_flags &
5368 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
5369 u8 i;
5370 u16 reg;
5371 for (i = 0; i < 4; i++) {
5372 reg = MDIO_XS_8706_REG_BANK_RX0 +
5373 i*(MDIO_XS_8706_REG_BANK_RX1 -
5374 MDIO_XS_8706_REG_BANK_RX0);
5375 bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
5376 /* Clear first 3 bits of the control */
5377 val &= ~0x7;
5378 /* Set control bits according to configuration */
5379 val |= (phy->rx_preemphasis[i] & 0x7);
5380 DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
5381 " reg 0x%x <-- val 0x%x\n", reg, val);
5382 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
5383 }
5384 }
5385 /* Force speed */
5386 if (phy->req_line_speed == SPEED_10000) {
5387 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
5388
5389 bnx2x_cl45_write(bp, phy,
5390 MDIO_PMA_DEVAD,
5391 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
5392 bnx2x_cl45_write(bp, phy,
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00005393 MDIO_PMA_DEVAD, MDIO_PMA_REG_TX_ALARM_CTRL,
5394 0);
5395 /* Arm LASI for link and Tx fault. */
5396 bnx2x_cl45_write(bp, phy,
5397 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 3);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005398 } else {
Lucas De Marchi25985ed2011-03-30 22:57:33 -03005399 /* Force 1Gbps using autoneg with 1G advertisement */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005400
5401 /* Allow CL37 through CL73 */
5402 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
5403 bnx2x_cl45_write(bp, phy,
5404 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
5405
Lucas De Marchi25985ed2011-03-30 22:57:33 -03005406 /* Enable Full-Duplex advertisement on CL37 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005407 bnx2x_cl45_write(bp, phy,
5408 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
5409 /* Enable CL37 AN */
5410 bnx2x_cl45_write(bp, phy,
5411 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
5412 /* 1G support */
5413 bnx2x_cl45_write(bp, phy,
5414 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
5415
5416 /* Enable clause 73 AN */
5417 bnx2x_cl45_write(bp, phy,
5418 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
5419 bnx2x_cl45_write(bp, phy,
5420 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
5421 0x0400);
5422 bnx2x_cl45_write(bp, phy,
5423 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
5424 0x0004);
5425 }
5426 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005427
5428 /*
5429 * If TX Laser is controlled by GPIO_0, do not let PHY go into low
5430 * power mode, if TX Laser is disabled
5431 */
5432
5433 tx_en_mode = REG_RD(bp, params->shmem_base +
5434 offsetof(struct shmem_region,
5435 dev_info.port_hw_config[params->port].sfp_ctrl))
5436 & PORT_HW_CFG_TX_LASER_MASK;
5437
5438 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
5439 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
5440 bnx2x_cl45_read(bp, phy,
5441 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
5442 tmp1 |= 0x1;
5443 bnx2x_cl45_write(bp, phy,
5444 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
5445 }
5446
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005447 return 0;
5448}
5449
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005450static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
5451 struct link_params *params,
5452 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005453{
5454 return bnx2x_8706_8726_read_status(phy, params, vars);
5455}
5456
5457/******************************************************************/
5458/* BCM8726 PHY SECTION */
5459/******************************************************************/
5460static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
5461 struct link_params *params)
5462{
5463 struct bnx2x *bp = params->bp;
5464 DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
5465 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
5466}
5467
5468static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
5469 struct link_params *params)
5470{
5471 struct bnx2x *bp = params->bp;
5472 /* Need to wait 100ms after reset */
5473 msleep(100);
5474
5475 /* Micro controller re-boot */
5476 bnx2x_cl45_write(bp, phy,
5477 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
5478
5479 /* Set soft reset */
5480 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005481 MDIO_PMA_DEVAD,
5482 MDIO_PMA_REG_GEN_CTRL,
5483 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005484
5485 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005486 MDIO_PMA_DEVAD,
5487 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005488
5489 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005490 MDIO_PMA_DEVAD,
5491 MDIO_PMA_REG_GEN_CTRL,
5492 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005493
5494 /* wait for 150ms for microcode load */
5495 msleep(150);
5496
5497 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
5498 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005499 MDIO_PMA_DEVAD,
5500 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005501
5502 msleep(200);
5503 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
5504}
5505
5506static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
5507 struct link_params *params,
5508 struct link_vars *vars)
5509{
5510 struct bnx2x *bp = params->bp;
5511 u16 val1;
5512 u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
5513 if (link_up) {
5514 bnx2x_cl45_read(bp, phy,
5515 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
5516 &val1);
5517 if (val1 & (1<<15)) {
5518 DP(NETIF_MSG_LINK, "Tx is disabled\n");
5519 link_up = 0;
5520 vars->line_speed = 0;
5521 }
5522 }
5523 return link_up;
5524}
5525
5526
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005527static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
5528 struct link_params *params,
5529 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005530{
5531 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005532 DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005533
5534 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00005535 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005536
5537 bnx2x_8726_external_rom_boot(phy, params);
5538
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005539 /*
5540 * Need to call module detected on initialization since the module
5541 * detection triggered by actual module insertion might occur before
5542 * driver is loaded, and when driver is loaded, it reset all
5543 * registers, including the transmitter
5544 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005545 bnx2x_sfp_module_detection(phy, params);
5546
5547 if (phy->req_line_speed == SPEED_1000) {
5548 DP(NETIF_MSG_LINK, "Setting 1G force\n");
5549 bnx2x_cl45_write(bp, phy,
5550 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
5551 bnx2x_cl45_write(bp, phy,
5552 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
5553 bnx2x_cl45_write(bp, phy,
5554 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x5);
5555 bnx2x_cl45_write(bp, phy,
5556 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
5557 0x400);
5558 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5559 (phy->speed_cap_mask &
5560 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
5561 ((phy->speed_cap_mask &
5562 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
5563 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
5564 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
5565 /* Set Flow control */
5566 bnx2x_ext_phy_set_pause(params, phy, vars);
5567 bnx2x_cl45_write(bp, phy,
5568 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
5569 bnx2x_cl45_write(bp, phy,
5570 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
5571 bnx2x_cl45_write(bp, phy,
5572 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
5573 bnx2x_cl45_write(bp, phy,
5574 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
5575 bnx2x_cl45_write(bp, phy,
5576 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005577 /*
5578 * Enable RX-ALARM control to receive interrupt for 1G speed
5579 * change
5580 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005581 bnx2x_cl45_write(bp, phy,
5582 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x4);
5583 bnx2x_cl45_write(bp, phy,
5584 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
5585 0x400);
5586
5587 } else { /* Default 10G. Set only LASI control */
5588 bnx2x_cl45_write(bp, phy,
5589 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
5590 }
5591
5592 /* Set TX PreEmphasis if needed */
5593 if ((params->feature_config_flags &
5594 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
5595 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
5596 "TX_CTRL2 0x%x\n",
5597 phy->tx_preemphasis[0],
5598 phy->tx_preemphasis[1]);
5599 bnx2x_cl45_write(bp, phy,
5600 MDIO_PMA_DEVAD,
5601 MDIO_PMA_REG_8726_TX_CTRL1,
5602 phy->tx_preemphasis[0]);
5603
5604 bnx2x_cl45_write(bp, phy,
5605 MDIO_PMA_DEVAD,
5606 MDIO_PMA_REG_8726_TX_CTRL2,
5607 phy->tx_preemphasis[1]);
5608 }
5609
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005610 return 0;
5611
5612}
5613
5614static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
5615 struct link_params *params)
5616{
5617 struct bnx2x *bp = params->bp;
5618 DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
5619 /* Set serial boot control for external load */
5620 bnx2x_cl45_write(bp, phy,
5621 MDIO_PMA_DEVAD,
5622 MDIO_PMA_REG_GEN_CTRL, 0x0001);
5623}
5624
5625/******************************************************************/
5626/* BCM8727 PHY SECTION */
5627/******************************************************************/
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005628
5629static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
5630 struct link_params *params, u8 mode)
5631{
5632 struct bnx2x *bp = params->bp;
5633 u16 led_mode_bitmask = 0;
5634 u16 gpio_pins_bitmask = 0;
5635 u16 val;
5636 /* Only NOC flavor requires to set the LED specifically */
5637 if (!(phy->flags & FLAGS_NOC))
5638 return;
5639 switch (mode) {
5640 case LED_MODE_FRONT_PANEL_OFF:
5641 case LED_MODE_OFF:
5642 led_mode_bitmask = 0;
5643 gpio_pins_bitmask = 0x03;
5644 break;
5645 case LED_MODE_ON:
5646 led_mode_bitmask = 0;
5647 gpio_pins_bitmask = 0x02;
5648 break;
5649 case LED_MODE_OPER:
5650 led_mode_bitmask = 0x60;
5651 gpio_pins_bitmask = 0x11;
5652 break;
5653 }
5654 bnx2x_cl45_read(bp, phy,
5655 MDIO_PMA_DEVAD,
5656 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
5657 &val);
5658 val &= 0xff8f;
5659 val |= led_mode_bitmask;
5660 bnx2x_cl45_write(bp, phy,
5661 MDIO_PMA_DEVAD,
5662 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
5663 val);
5664 bnx2x_cl45_read(bp, phy,
5665 MDIO_PMA_DEVAD,
5666 MDIO_PMA_REG_8727_GPIO_CTRL,
5667 &val);
5668 val &= 0xffe0;
5669 val |= gpio_pins_bitmask;
5670 bnx2x_cl45_write(bp, phy,
5671 MDIO_PMA_DEVAD,
5672 MDIO_PMA_REG_8727_GPIO_CTRL,
5673 val);
5674}
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005675static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
5676 struct link_params *params) {
5677 u32 swap_val, swap_override;
5678 u8 port;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005679 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005680 * The PHY reset is controlled by GPIO 1. Fake the port number
5681 * to cancel the swap done in set_gpio()
5682 */
5683 struct bnx2x *bp = params->bp;
5684 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
5685 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
5686 port = (swap_val && swap_override) ^ 1;
5687 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005688 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005689}
5690
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005691static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
5692 struct link_params *params,
5693 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005694{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005695 u32 tx_en_mode;
5696 u16 tmp1, val, mod_abs, tmp2;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005697 u16 rx_alarm_ctrl_val;
5698 u16 lasi_ctrl_val;
5699 struct bnx2x *bp = params->bp;
5700 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
5701
Yaniv Rosner6d870c32011-01-31 04:22:20 +00005702 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005703 rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00005704 /* Should be 0x6 to enable XS on Tx side. */
5705 lasi_ctrl_val = 0x0006;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005706
5707 DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
5708 /* enable LASI */
5709 bnx2x_cl45_write(bp, phy,
5710 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
5711 rx_alarm_ctrl_val);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00005712 bnx2x_cl45_write(bp, phy,
5713 MDIO_PMA_DEVAD, MDIO_PMA_REG_TX_ALARM_CTRL,
5714 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005715 bnx2x_cl45_write(bp, phy,
5716 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, lasi_ctrl_val);
5717
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005718 /*
5719 * Initially configure MOD_ABS to interrupt when module is
5720 * presence( bit 8)
5721 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005722 bnx2x_cl45_read(bp, phy,
5723 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005724 /*
5725 * Set EDC off by setting OPTXLOS signal input to low (bit 9).
5726 * When the EDC is off it locks onto a reference clock and avoids
5727 * becoming 'lost'
5728 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005729 mod_abs &= ~(1<<8);
5730 if (!(phy->flags & FLAGS_NOC))
5731 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005732 bnx2x_cl45_write(bp, phy,
5733 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
5734
5735
5736 /* Make MOD_ABS give interrupt on change */
5737 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
5738 &val);
5739 val |= (1<<12);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005740 if (phy->flags & FLAGS_NOC)
5741 val |= (3<<5);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005742
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005743 /*
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005744 * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
5745 * status which reflect SFP+ module over-current
5746 */
5747 if (!(phy->flags & FLAGS_NOC))
5748 val &= 0xff8f; /* Reset bits 4-6 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005749 bnx2x_cl45_write(bp, phy,
5750 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
5751
5752 bnx2x_8727_power_module(bp, phy, 1);
5753
5754 bnx2x_cl45_read(bp, phy,
5755 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
5756
5757 bnx2x_cl45_read(bp, phy,
5758 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
5759
5760 /* Set option 1G speed */
5761 if (phy->req_line_speed == SPEED_1000) {
5762 DP(NETIF_MSG_LINK, "Setting 1G force\n");
5763 bnx2x_cl45_write(bp, phy,
5764 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
5765 bnx2x_cl45_write(bp, phy,
5766 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
5767 bnx2x_cl45_read(bp, phy,
5768 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
5769 DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005770 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005771 * Power down the XAUI until link is up in case of dual-media
5772 * and 1G
5773 */
5774 if (DUAL_MEDIA(params)) {
5775 bnx2x_cl45_read(bp, phy,
5776 MDIO_PMA_DEVAD,
5777 MDIO_PMA_REG_8727_PCS_GP, &val);
5778 val |= (3<<10);
5779 bnx2x_cl45_write(bp, phy,
5780 MDIO_PMA_DEVAD,
5781 MDIO_PMA_REG_8727_PCS_GP, val);
5782 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005783 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5784 ((phy->speed_cap_mask &
5785 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
5786 ((phy->speed_cap_mask &
5787 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
5788 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
5789
5790 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
5791 bnx2x_cl45_write(bp, phy,
5792 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
5793 bnx2x_cl45_write(bp, phy,
5794 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
5795 } else {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005796 /*
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005797 * Since the 8727 has only single reset pin, need to set the 10G
5798 * registers although it is default
5799 */
5800 bnx2x_cl45_write(bp, phy,
5801 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
5802 0x0020);
5803 bnx2x_cl45_write(bp, phy,
5804 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
5805 bnx2x_cl45_write(bp, phy,
5806 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
5807 bnx2x_cl45_write(bp, phy,
5808 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
5809 0x0008);
5810 }
5811
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005812 /*
5813 * Set 2-wire transfer rate of SFP+ module EEPROM
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005814 * to 100Khz since some DACs(direct attached cables) do
5815 * not work at 400Khz.
5816 */
5817 bnx2x_cl45_write(bp, phy,
5818 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
5819 0xa001);
5820
5821 /* Set TX PreEmphasis if needed */
5822 if ((params->feature_config_flags &
5823 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
5824 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
5825 phy->tx_preemphasis[0],
5826 phy->tx_preemphasis[1]);
5827 bnx2x_cl45_write(bp, phy,
5828 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
5829 phy->tx_preemphasis[0]);
5830
5831 bnx2x_cl45_write(bp, phy,
5832 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
5833 phy->tx_preemphasis[1]);
5834 }
5835
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005836 /*
5837 * If TX Laser is controlled by GPIO_0, do not let PHY go into low
5838 * power mode, if TX Laser is disabled
5839 */
5840 tx_en_mode = REG_RD(bp, params->shmem_base +
5841 offsetof(struct shmem_region,
5842 dev_info.port_hw_config[params->port].sfp_ctrl))
5843 & PORT_HW_CFG_TX_LASER_MASK;
5844
5845 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
5846
5847 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
5848 bnx2x_cl45_read(bp, phy,
5849 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
5850 tmp2 |= 0x1000;
5851 tmp2 &= 0xFFEF;
5852 bnx2x_cl45_write(bp, phy,
5853 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
5854 }
5855
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005856 return 0;
5857}
5858
5859static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
5860 struct link_params *params)
5861{
5862 struct bnx2x *bp = params->bp;
5863 u16 mod_abs, rx_alarm_status;
5864 u32 val = REG_RD(bp, params->shmem_base +
5865 offsetof(struct shmem_region, dev_info.
5866 port_feature_config[params->port].
5867 config));
5868 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005869 MDIO_PMA_DEVAD,
5870 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005871 if (mod_abs & (1<<8)) {
5872
5873 /* Module is absent */
5874 DP(NETIF_MSG_LINK, "MOD_ABS indication "
5875 "show module is absent\n");
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00005876 phy->media_type = ETH_PHY_NOT_PRESENT;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005877 /*
5878 * 1. Set mod_abs to detect next module
5879 * presence event
5880 * 2. Set EDC off by setting OPTXLOS signal input to low
5881 * (bit 9).
5882 * When the EDC is off it locks onto a reference clock and
5883 * avoids becoming 'lost'.
5884 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005885 mod_abs &= ~(1<<8);
5886 if (!(phy->flags & FLAGS_NOC))
5887 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005888 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005889 MDIO_PMA_DEVAD,
5890 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005891
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005892 /*
5893 * Clear RX alarm since it stays up as long as
5894 * the mod_abs wasn't changed
5895 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005896 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005897 MDIO_PMA_DEVAD,
5898 MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005899
5900 } else {
5901 /* Module is present */
5902 DP(NETIF_MSG_LINK, "MOD_ABS indication "
5903 "show module is present\n");
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005904 /*
5905 * First disable transmitter, and if the module is ok, the
5906 * module_detection will enable it
5907 * 1. Set mod_abs to detect next module absent event ( bit 8)
5908 * 2. Restore the default polarity of the OPRXLOS signal and
5909 * this signal will then correctly indicate the presence or
5910 * absence of the Rx signal. (bit 9)
5911 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005912 mod_abs |= (1<<8);
5913 if (!(phy->flags & FLAGS_NOC))
5914 mod_abs |= (1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005915 bnx2x_cl45_write(bp, phy,
5916 MDIO_PMA_DEVAD,
5917 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
5918
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005919 /*
5920 * Clear RX alarm since it stays up as long as the mod_abs
5921 * wasn't changed. This is need to be done before calling the
5922 * module detection, otherwise it will clear* the link update
5923 * alarm
5924 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005925 bnx2x_cl45_read(bp, phy,
5926 MDIO_PMA_DEVAD,
5927 MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
5928
5929
5930 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
5931 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005932 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005933
5934 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
5935 bnx2x_sfp_module_detection(phy, params);
5936 else
5937 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
5938 }
5939
5940 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005941 rx_alarm_status);
5942 /* No need to check link status in case of module plugged in/out */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005943}
5944
5945static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
5946 struct link_params *params,
5947 struct link_vars *vars)
5948
5949{
5950 struct bnx2x *bp = params->bp;
Yaniv Rosner27d02432011-05-31 21:27:48 +00005951 u8 link_up = 0, oc_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005952 u16 link_status = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005953 u16 rx_alarm_status, lasi_ctrl, val1;
5954
5955 /* If PHY is not initialized, do not check link status */
5956 bnx2x_cl45_read(bp, phy,
5957 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
5958 &lasi_ctrl);
5959 if (!lasi_ctrl)
5960 return 0;
5961
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005962 /* Check the LASI on Rx */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005963 bnx2x_cl45_read(bp, phy,
5964 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM,
5965 &rx_alarm_status);
5966 vars->line_speed = 0;
5967 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
5968
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00005969 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_REG_TX_ALARM,
5970 MDIO_PMA_REG_TX_ALARM_CTRL);
5971
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005972 bnx2x_cl45_read(bp, phy,
5973 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
5974
5975 DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
5976
5977 /* Clear MSG-OUT */
5978 bnx2x_cl45_read(bp, phy,
5979 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
5980
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005981 /*
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005982 * If a module is present and there is need to check
5983 * for over current
5984 */
5985 if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
5986 /* Check over-current using 8727 GPIO0 input*/
5987 bnx2x_cl45_read(bp, phy,
5988 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
5989 &val1);
5990
5991 if ((val1 & (1<<8)) == 0) {
Yaniv Rosner27d02432011-05-31 21:27:48 +00005992 if (!CHIP_IS_E1x(bp))
5993 oc_port = BP_PATH(bp) + (params->port << 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005994 DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
Yaniv Rosner27d02432011-05-31 21:27:48 +00005995 " on port %d\n", oc_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005996 netdev_err(bp->dev, "Error: Power fault on Port %d has"
5997 " been detected and the power to "
5998 "that SFP+ module has been removed"
5999 " to prevent failure of the card."
6000 " Please remove the SFP+ module and"
6001 " restart the system to clear this"
6002 " error.\n",
Yaniv Rosner27d02432011-05-31 21:27:48 +00006003 oc_port);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006004 /* Disable all RX_ALARMs except for mod_abs */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006005 bnx2x_cl45_write(bp, phy,
6006 MDIO_PMA_DEVAD,
6007 MDIO_PMA_REG_RX_ALARM_CTRL, (1<<5));
6008
6009 bnx2x_cl45_read(bp, phy,
6010 MDIO_PMA_DEVAD,
6011 MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
6012 /* Wait for module_absent_event */
6013 val1 |= (1<<8);
6014 bnx2x_cl45_write(bp, phy,
6015 MDIO_PMA_DEVAD,
6016 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
6017 /* Clear RX alarm */
6018 bnx2x_cl45_read(bp, phy,
6019 MDIO_PMA_DEVAD,
6020 MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
6021 return 0;
6022 }
6023 } /* Over current check */
6024
6025 /* When module absent bit is set, check module */
6026 if (rx_alarm_status & (1<<5)) {
6027 bnx2x_8727_handle_mod_abs(phy, params);
6028 /* Enable all mod_abs and link detection bits */
6029 bnx2x_cl45_write(bp, phy,
6030 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
6031 ((1<<5) | (1<<2)));
6032 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006033 DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
6034 bnx2x_8727_specific_func(phy, params, ENABLE_TX);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006035 /* If transmitter is disabled, ignore false link up indication */
6036 bnx2x_cl45_read(bp, phy,
6037 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
6038 if (val1 & (1<<15)) {
6039 DP(NETIF_MSG_LINK, "Tx is disabled\n");
6040 return 0;
6041 }
6042
6043 bnx2x_cl45_read(bp, phy,
6044 MDIO_PMA_DEVAD,
6045 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
6046
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006047 /*
6048 * Bits 0..2 --> speed detected,
6049 * Bits 13..15--> link is down
6050 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006051 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
6052 link_up = 1;
6053 vars->line_speed = SPEED_10000;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006054 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
6055 params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006056 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
6057 link_up = 1;
6058 vars->line_speed = SPEED_1000;
6059 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
6060 params->port);
6061 } else {
6062 link_up = 0;
6063 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
6064 params->port);
6065 }
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00006066
6067 /* Capture 10G link fault. */
6068 if (vars->line_speed == SPEED_10000) {
6069 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
6070 MDIO_PMA_REG_TX_ALARM, &val1);
6071
6072 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
6073 MDIO_PMA_REG_TX_ALARM, &val1);
6074
6075 if (val1 & (1<<0)) {
6076 vars->fault_detected = 1;
6077 }
6078 }
6079
Yaniv Rosner791f18c2011-01-18 04:33:42 +00006080 if (link_up) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006081 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00006082 vars->duplex = DUPLEX_FULL;
6083 DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
6084 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006085
6086 if ((DUAL_MEDIA(params)) &&
6087 (phy->req_line_speed == SPEED_1000)) {
6088 bnx2x_cl45_read(bp, phy,
6089 MDIO_PMA_DEVAD,
6090 MDIO_PMA_REG_8727_PCS_GP, &val1);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006091 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006092 * In case of dual-media board and 1G, power up the XAUI side,
6093 * otherwise power it down. For 10G it is done automatically
6094 */
6095 if (link_up)
6096 val1 &= ~(3<<10);
6097 else
6098 val1 |= (3<<10);
6099 bnx2x_cl45_write(bp, phy,
6100 MDIO_PMA_DEVAD,
6101 MDIO_PMA_REG_8727_PCS_GP, val1);
6102 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006103 return link_up;
6104}
6105
6106static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
6107 struct link_params *params)
6108{
6109 struct bnx2x *bp = params->bp;
6110 /* Disable Transmitter */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00006111 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006112 /* Clear LASI */
6113 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0);
6114
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006115}
6116
6117/******************************************************************/
6118/* BCM8481/BCM84823/BCM84833 PHY SECTION */
6119/******************************************************************/
6120static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
6121 struct link_params *params)
6122{
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006123 u16 val, fw_ver1, fw_ver2, cnt;
6124 u8 port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006125 struct bnx2x *bp = params->bp;
6126
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006127 port = params->port;
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00006128
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006129 /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
6130 /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006131 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
6132 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
6133 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
6134 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
6135 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006136
6137 for (cnt = 0; cnt < 100; cnt++) {
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006138 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006139 if (val & 1)
6140 break;
6141 udelay(5);
6142 }
6143 if (cnt == 100) {
6144 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006145 bnx2x_save_spirom_version(bp, port, 0,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006146 phy->ver_addr);
6147 return;
6148 }
6149
6150
6151 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006152 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
6153 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
6154 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006155 for (cnt = 0; cnt < 100; cnt++) {
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006156 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006157 if (val & 1)
6158 break;
6159 udelay(5);
6160 }
6161 if (cnt == 100) {
6162 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006163 bnx2x_save_spirom_version(bp, port, 0,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006164 phy->ver_addr);
6165 return;
6166 }
6167
6168 /* lower 16 bits of the register SPI_FW_STATUS */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006169 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006170 /* upper 16 bits of register SPI_FW_STATUS */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006171 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006172
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006173 bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006174 phy->ver_addr);
6175}
6176
6177static void bnx2x_848xx_set_led(struct bnx2x *bp,
6178 struct bnx2x_phy *phy)
6179{
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006180 u16 val;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006181
6182 /* PHYC_CTL_LED_CTL */
6183 bnx2x_cl45_read(bp, phy,
6184 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006185 MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006186 val &= 0xFE00;
6187 val |= 0x0092;
6188
6189 bnx2x_cl45_write(bp, phy,
6190 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006191 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006192
6193 bnx2x_cl45_write(bp, phy,
6194 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006195 MDIO_PMA_REG_8481_LED1_MASK,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006196 0x80);
6197
6198 bnx2x_cl45_write(bp, phy,
6199 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006200 MDIO_PMA_REG_8481_LED2_MASK,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006201 0x18);
6202
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00006203 /* Select activity source by Tx and Rx, as suggested by PHY AE */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006204 bnx2x_cl45_write(bp, phy,
6205 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006206 MDIO_PMA_REG_8481_LED3_MASK,
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00006207 0x0006);
6208
6209 /* Select the closest activity blink rate to that in 10/100/1000 */
6210 bnx2x_cl45_write(bp, phy,
6211 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006212 MDIO_PMA_REG_8481_LED3_BLINK,
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00006213 0);
6214
6215 bnx2x_cl45_read(bp, phy,
6216 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006217 MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00006218 val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
6219
6220 bnx2x_cl45_write(bp, phy,
6221 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006222 MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006223
6224 /* 'Interrupt Mask' */
6225 bnx2x_cl45_write(bp, phy,
6226 MDIO_AN_DEVAD,
6227 0xFFFB, 0xFFFD);
6228}
6229
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006230static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
6231 struct link_params *params,
6232 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006233{
6234 struct bnx2x *bp = params->bp;
6235 u16 autoneg_val, an_1000_val, an_10_100_val;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006236 u16 tmp_req_line_speed;
6237
6238 tmp_req_line_speed = phy->req_line_speed;
6239 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
6240 if (phy->req_line_speed == SPEED_10000)
6241 phy->req_line_speed = SPEED_AUTO_NEG;
6242
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006243 /*
6244 * This phy uses the NIG latch mechanism since link indication
6245 * arrives through its LED4 and not via its LASI signal, so we
6246 * get steady signal instead of clear on read
6247 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006248 bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
6249 1 << NIG_LATCH_BC_ENABLE_MI_INT);
6250
6251 bnx2x_cl45_write(bp, phy,
6252 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
6253
6254 bnx2x_848xx_set_led(bp, phy);
6255
6256 /* set 1000 speed advertisement */
6257 bnx2x_cl45_read(bp, phy,
6258 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
6259 &an_1000_val);
6260
6261 bnx2x_ext_phy_set_pause(params, phy, vars);
6262 bnx2x_cl45_read(bp, phy,
6263 MDIO_AN_DEVAD,
6264 MDIO_AN_REG_8481_LEGACY_AN_ADV,
6265 &an_10_100_val);
6266 bnx2x_cl45_read(bp, phy,
6267 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
6268 &autoneg_val);
6269 /* Disable forced speed */
6270 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
6271 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
6272
6273 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
6274 (phy->speed_cap_mask &
6275 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
6276 (phy->req_line_speed == SPEED_1000)) {
6277 an_1000_val |= (1<<8);
6278 autoneg_val |= (1<<9 | 1<<12);
6279 if (phy->req_duplex == DUPLEX_FULL)
6280 an_1000_val |= (1<<9);
6281 DP(NETIF_MSG_LINK, "Advertising 1G\n");
6282 } else
6283 an_1000_val &= ~((1<<8) | (1<<9));
6284
6285 bnx2x_cl45_write(bp, phy,
6286 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
6287 an_1000_val);
6288
6289 /* set 10 speed advertisement */
6290 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
6291 (phy->speed_cap_mask &
6292 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
6293 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
6294 an_10_100_val |= (1<<7);
6295 /* Enable autoneg and restart autoneg for legacy speeds */
6296 autoneg_val |= (1<<9 | 1<<12);
6297
6298 if (phy->req_duplex == DUPLEX_FULL)
6299 an_10_100_val |= (1<<8);
6300 DP(NETIF_MSG_LINK, "Advertising 100M\n");
6301 }
6302 /* set 10 speed advertisement */
6303 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
6304 (phy->speed_cap_mask &
6305 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
6306 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
6307 an_10_100_val |= (1<<5);
6308 autoneg_val |= (1<<9 | 1<<12);
6309 if (phy->req_duplex == DUPLEX_FULL)
6310 an_10_100_val |= (1<<6);
6311 DP(NETIF_MSG_LINK, "Advertising 10M\n");
6312 }
6313
6314 /* Only 10/100 are allowed to work in FORCE mode */
6315 if (phy->req_line_speed == SPEED_100) {
6316 autoneg_val |= (1<<13);
6317 /* Enabled AUTO-MDIX when autoneg is disabled */
6318 bnx2x_cl45_write(bp, phy,
6319 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
6320 (1<<15 | 1<<9 | 7<<0));
6321 DP(NETIF_MSG_LINK, "Setting 100M force\n");
6322 }
6323 if (phy->req_line_speed == SPEED_10) {
6324 /* Enabled AUTO-MDIX when autoneg is disabled */
6325 bnx2x_cl45_write(bp, phy,
6326 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
6327 (1<<15 | 1<<9 | 7<<0));
6328 DP(NETIF_MSG_LINK, "Setting 10M force\n");
6329 }
6330
6331 bnx2x_cl45_write(bp, phy,
6332 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
6333 an_10_100_val);
6334
6335 if (phy->req_duplex == DUPLEX_FULL)
6336 autoneg_val |= (1<<8);
6337
6338 bnx2x_cl45_write(bp, phy,
6339 MDIO_AN_DEVAD,
6340 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
6341
6342 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
6343 (phy->speed_cap_mask &
6344 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
6345 (phy->req_line_speed == SPEED_10000)) {
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006346 DP(NETIF_MSG_LINK, "Advertising 10G\n");
6347 /* Restart autoneg for 10G*/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006348
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006349 bnx2x_cl45_write(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006350 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
6351 0x3200);
6352 } else if (phy->req_line_speed != SPEED_10 &&
6353 phy->req_line_speed != SPEED_100) {
6354 bnx2x_cl45_write(bp, phy,
6355 MDIO_AN_DEVAD,
6356 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
6357 1);
6358 }
6359 /* Save spirom version */
6360 bnx2x_save_848xx_spirom_version(phy, params);
6361
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006362 phy->req_line_speed = tmp_req_line_speed;
6363
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006364 return 0;
6365}
6366
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006367static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
6368 struct link_params *params,
6369 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006370{
6371 struct bnx2x *bp = params->bp;
6372 /* Restore normal power mode*/
6373 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006374 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006375
6376 /* HW reset */
6377 bnx2x_ext_phy_hw_reset(bp, params->port);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00006378 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006379
6380 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
6381 return bnx2x_848xx_cmn_config_init(phy, params, vars);
6382}
6383
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006384
6385#define PHY84833_HDSHK_WAIT 300
6386static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
6387 struct link_params *params,
6388 struct link_vars *vars)
6389{
6390 u32 idx;
6391 u16 val;
6392 u16 data = 0x01b1;
6393 struct bnx2x *bp = params->bp;
6394 /* Do pair swap */
6395
6396
6397 /* Write CMD_OPEN_OVERRIDE to STATUS reg */
6398 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
6399 MDIO_84833_TOP_CFG_SCRATCH_REG2,
6400 PHY84833_CMD_OPEN_OVERRIDE);
6401 for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
6402 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
6403 MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
6404 if (val == PHY84833_CMD_OPEN_FOR_CMDS)
6405 break;
6406 msleep(1);
6407 }
6408 if (idx >= PHY84833_HDSHK_WAIT) {
6409 DP(NETIF_MSG_LINK, "Pairswap: FW not ready.\n");
6410 return -EINVAL;
6411 }
6412
6413 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
6414 MDIO_84833_TOP_CFG_SCRATCH_REG4,
6415 data);
6416 /* Issue pair swap command */
6417 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
6418 MDIO_84833_TOP_CFG_SCRATCH_REG0,
6419 PHY84833_DIAG_CMD_PAIR_SWAP_CHANGE);
6420 for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
6421 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
6422 MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
6423 if ((val == PHY84833_CMD_COMPLETE_PASS) ||
6424 (val == PHY84833_CMD_COMPLETE_ERROR))
6425 break;
6426 msleep(1);
6427 }
6428 if ((idx >= PHY84833_HDSHK_WAIT) ||
6429 (val == PHY84833_CMD_COMPLETE_ERROR)) {
6430 DP(NETIF_MSG_LINK, "Pairswap: override failed.\n");
6431 return -EINVAL;
6432 }
6433 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
6434 MDIO_84833_TOP_CFG_SCRATCH_REG2,
6435 PHY84833_CMD_CLEAR_COMPLETE);
6436 DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data);
6437 return 0;
6438}
6439
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006440static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
6441 struct link_params *params,
6442 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006443{
6444 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00006445 u8 port, initialize = 1;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006446 u16 val;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006447 u16 temp;
Yaniv Rosner1bef68e2011-01-31 04:22:46 +00006448 u32 actual_phy_selection, cms_enable;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006449 int rc = 0;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006450
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006451 msleep(1);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006452
6453 if (!(CHIP_IS_E1(bp)))
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00006454 port = BP_PATH(bp);
6455 else
6456 port = params->port;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006457
6458 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
6459 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
6460 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
6461 port);
6462 } else {
6463 bnx2x_cl45_write(bp, phy,
6464 MDIO_PMA_DEVAD,
6465 MDIO_PMA_REG_CTRL, 0x8000);
6466 }
6467
Yaniv Rosner6d870c32011-01-31 04:22:20 +00006468 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosner9bffeac2010-11-01 05:32:27 +00006469 /* Wait for GPHY to come out of reset */
6470 msleep(50);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006471
6472 /* Bring PHY out of super isolate mode */
6473 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
6474 bnx2x_cl45_read(bp, phy,
6475 MDIO_CTL_DEVAD,
6476 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
6477 val &= ~MDIO_84833_SUPER_ISOLATE;
6478 bnx2x_cl45_write(bp, phy,
6479 MDIO_CTL_DEVAD,
6480 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
6481 bnx2x_wait_reset_complete(bp, phy, params);
6482 }
6483
6484 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
6485 bnx2x_84833_pair_swap_cfg(phy, params, vars);
6486
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006487 /*
6488 * BCM84823 requires that XGXS links up first @ 10G for normal behavior
6489 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006490 temp = vars->line_speed;
6491 vars->line_speed = SPEED_10000;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006492 bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
6493 bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006494 vars->line_speed = temp;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006495
6496 /* Set dual-media configuration according to configuration */
6497
6498 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006499 MDIO_CTL_REG_84823_MEDIA, &val);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006500 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
6501 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
6502 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
6503 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
6504 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
6505 val |= MDIO_CTL_REG_84823_CTRL_MAC_XFI |
6506 MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L;
6507
6508 actual_phy_selection = bnx2x_phy_selection(params);
6509
6510 switch (actual_phy_selection) {
6511 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
Lucas De Marchi25985ed2011-03-30 22:57:33 -03006512 /* Do nothing. Essentially this is like the priority copper */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006513 break;
6514 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
6515 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
6516 break;
6517 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
6518 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
6519 break;
6520 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
6521 /* Do nothing here. The first PHY won't be initialized at all */
6522 break;
6523 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
6524 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
6525 initialize = 0;
6526 break;
6527 }
6528 if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
6529 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
6530
6531 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006532 MDIO_CTL_REG_84823_MEDIA, val);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006533 DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
6534 params->multi_phy_config, val);
6535
6536 if (initialize)
6537 rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
6538 else
6539 bnx2x_save_848xx_spirom_version(phy, params);
Yaniv Rosner1bef68e2011-01-31 04:22:46 +00006540 cms_enable = REG_RD(bp, params->shmem_base +
6541 offsetof(struct shmem_region,
6542 dev_info.port_hw_config[params->port].default_cfg)) &
6543 PORT_HW_CFG_ENABLE_CMS_MASK;
6544
6545 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
6546 MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
6547 if (cms_enable)
6548 val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
6549 else
6550 val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
6551 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
6552 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
6553
6554
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006555 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006556}
6557
6558static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006559 struct link_params *params,
6560 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006561{
6562 struct bnx2x *bp = params->bp;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006563 u16 val, val1, val2;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006564 u8 link_up = 0;
6565
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00006566
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006567 /* Check 10G-BaseT link status */
6568 /* Check PMD signal ok */
6569 bnx2x_cl45_read(bp, phy,
6570 MDIO_AN_DEVAD, 0xFFFA, &val1);
6571 bnx2x_cl45_read(bp, phy,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006572 MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006573 &val2);
6574 DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
6575
6576 /* Check link 10G */
6577 if (val2 & (1<<11)) {
6578 vars->line_speed = SPEED_10000;
Yaniv Rosner791f18c2011-01-18 04:33:42 +00006579 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006580 link_up = 1;
6581 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
6582 } else { /* Check Legacy speed link */
6583 u16 legacy_status, legacy_speed;
6584
6585 /* Enable expansion register 0x42 (Operation mode status) */
6586 bnx2x_cl45_write(bp, phy,
6587 MDIO_AN_DEVAD,
6588 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
6589
6590 /* Get legacy speed operation status */
6591 bnx2x_cl45_read(bp, phy,
6592 MDIO_AN_DEVAD,
6593 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
6594 &legacy_status);
6595
6596 DP(NETIF_MSG_LINK, "Legacy speed status"
6597 " = 0x%x\n", legacy_status);
6598 link_up = ((legacy_status & (1<<11)) == (1<<11));
6599 if (link_up) {
6600 legacy_speed = (legacy_status & (3<<9));
6601 if (legacy_speed == (0<<9))
6602 vars->line_speed = SPEED_10;
6603 else if (legacy_speed == (1<<9))
6604 vars->line_speed = SPEED_100;
6605 else if (legacy_speed == (2<<9))
6606 vars->line_speed = SPEED_1000;
6607 else /* Should not happen */
6608 vars->line_speed = 0;
6609
6610 if (legacy_status & (1<<8))
6611 vars->duplex = DUPLEX_FULL;
6612 else
6613 vars->duplex = DUPLEX_HALF;
6614
6615 DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
6616 " is_duplex_full= %d\n", vars->line_speed,
6617 (vars->duplex == DUPLEX_FULL));
6618 /* Check legacy speed AN resolution */
6619 bnx2x_cl45_read(bp, phy,
6620 MDIO_AN_DEVAD,
6621 MDIO_AN_REG_8481_LEGACY_MII_STATUS,
6622 &val);
6623 if (val & (1<<5))
6624 vars->link_status |=
6625 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
6626 bnx2x_cl45_read(bp, phy,
6627 MDIO_AN_DEVAD,
6628 MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
6629 &val);
6630 if ((val & (1<<0)) == 0)
6631 vars->link_status |=
6632 LINK_STATUS_PARALLEL_DETECTION_USED;
6633 }
6634 }
6635 if (link_up) {
6636 DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
6637 vars->line_speed);
6638 bnx2x_ext_phy_resolve_fc(phy, params, vars);
6639 }
6640
6641 return link_up;
6642}
6643
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006644
6645static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006646{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006647 int status = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006648 u32 spirom_ver;
6649 spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
6650 status = bnx2x_format_ver(spirom_ver, str, len);
6651 return status;
6652}
6653
6654static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
6655 struct link_params *params)
6656{
6657 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006658 MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006659 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006660 MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006661}
6662
6663static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
6664 struct link_params *params)
6665{
6666 bnx2x_cl45_write(params->bp, phy,
6667 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
6668 bnx2x_cl45_write(params->bp, phy,
6669 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
6670}
6671
6672static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
6673 struct link_params *params)
6674{
6675 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00006676 u8 port;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006677
6678 if (!(CHIP_IS_E1(bp)))
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00006679 port = BP_PATH(bp);
6680 else
6681 port = params->port;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006682
6683 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
6684 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
6685 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6686 port);
6687 } else {
6688 bnx2x_cl45_write(bp, phy,
6689 MDIO_PMA_DEVAD,
6690 MDIO_PMA_REG_CTRL, 0x800);
6691 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006692}
6693
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006694static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
6695 struct link_params *params, u8 mode)
6696{
6697 struct bnx2x *bp = params->bp;
6698 u16 val;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006699 u8 port;
6700
6701 if (!(CHIP_IS_E1(bp)))
6702 port = BP_PATH(bp);
6703 else
6704 port = params->port;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006705
6706 switch (mode) {
6707 case LED_MODE_OFF:
6708
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006709 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006710
6711 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
6712 SHARED_HW_CFG_LED_EXTPHY1) {
6713
6714 /* Set LED masks */
6715 bnx2x_cl45_write(bp, phy,
6716 MDIO_PMA_DEVAD,
6717 MDIO_PMA_REG_8481_LED1_MASK,
6718 0x0);
6719
6720 bnx2x_cl45_write(bp, phy,
6721 MDIO_PMA_DEVAD,
6722 MDIO_PMA_REG_8481_LED2_MASK,
6723 0x0);
6724
6725 bnx2x_cl45_write(bp, phy,
6726 MDIO_PMA_DEVAD,
6727 MDIO_PMA_REG_8481_LED3_MASK,
6728 0x0);
6729
6730 bnx2x_cl45_write(bp, phy,
6731 MDIO_PMA_DEVAD,
6732 MDIO_PMA_REG_8481_LED5_MASK,
6733 0x0);
6734
6735 } else {
6736 bnx2x_cl45_write(bp, phy,
6737 MDIO_PMA_DEVAD,
6738 MDIO_PMA_REG_8481_LED1_MASK,
6739 0x0);
6740 }
6741 break;
6742 case LED_MODE_FRONT_PANEL_OFF:
6743
6744 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006745 port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006746
6747 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
6748 SHARED_HW_CFG_LED_EXTPHY1) {
6749
6750 /* Set LED masks */
6751 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006752 MDIO_PMA_DEVAD,
6753 MDIO_PMA_REG_8481_LED1_MASK,
6754 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006755
6756 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006757 MDIO_PMA_DEVAD,
6758 MDIO_PMA_REG_8481_LED2_MASK,
6759 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006760
6761 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006762 MDIO_PMA_DEVAD,
6763 MDIO_PMA_REG_8481_LED3_MASK,
6764 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006765
6766 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006767 MDIO_PMA_DEVAD,
6768 MDIO_PMA_REG_8481_LED5_MASK,
6769 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006770
6771 } else {
6772 bnx2x_cl45_write(bp, phy,
6773 MDIO_PMA_DEVAD,
6774 MDIO_PMA_REG_8481_LED1_MASK,
6775 0x0);
6776 }
6777 break;
6778 case LED_MODE_ON:
6779
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006780 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006781
6782 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
6783 SHARED_HW_CFG_LED_EXTPHY1) {
6784 /* Set control reg */
6785 bnx2x_cl45_read(bp, phy,
6786 MDIO_PMA_DEVAD,
6787 MDIO_PMA_REG_8481_LINK_SIGNAL,
6788 &val);
6789 val &= 0x8000;
6790 val |= 0x2492;
6791
6792 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006793 MDIO_PMA_DEVAD,
6794 MDIO_PMA_REG_8481_LINK_SIGNAL,
6795 val);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006796
6797 /* Set LED masks */
6798 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006799 MDIO_PMA_DEVAD,
6800 MDIO_PMA_REG_8481_LED1_MASK,
6801 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006802
6803 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006804 MDIO_PMA_DEVAD,
6805 MDIO_PMA_REG_8481_LED2_MASK,
6806 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006807
6808 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006809 MDIO_PMA_DEVAD,
6810 MDIO_PMA_REG_8481_LED3_MASK,
6811 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006812
6813 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006814 MDIO_PMA_DEVAD,
6815 MDIO_PMA_REG_8481_LED5_MASK,
6816 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006817 } else {
6818 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006819 MDIO_PMA_DEVAD,
6820 MDIO_PMA_REG_8481_LED1_MASK,
6821 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006822 }
6823 break;
6824
6825 case LED_MODE_OPER:
6826
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006827 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006828
6829 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
6830 SHARED_HW_CFG_LED_EXTPHY1) {
6831
6832 /* Set control reg */
6833 bnx2x_cl45_read(bp, phy,
6834 MDIO_PMA_DEVAD,
6835 MDIO_PMA_REG_8481_LINK_SIGNAL,
6836 &val);
6837
6838 if (!((val &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006839 MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
6840 >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006841 DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006842 bnx2x_cl45_write(bp, phy,
6843 MDIO_PMA_DEVAD,
6844 MDIO_PMA_REG_8481_LINK_SIGNAL,
6845 0xa492);
6846 }
6847
6848 /* Set LED masks */
6849 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006850 MDIO_PMA_DEVAD,
6851 MDIO_PMA_REG_8481_LED1_MASK,
6852 0x10);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006853
6854 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006855 MDIO_PMA_DEVAD,
6856 MDIO_PMA_REG_8481_LED2_MASK,
6857 0x80);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006858
6859 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006860 MDIO_PMA_DEVAD,
6861 MDIO_PMA_REG_8481_LED3_MASK,
6862 0x98);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006863
6864 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006865 MDIO_PMA_DEVAD,
6866 MDIO_PMA_REG_8481_LED5_MASK,
6867 0x40);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006868
6869 } else {
6870 bnx2x_cl45_write(bp, phy,
6871 MDIO_PMA_DEVAD,
6872 MDIO_PMA_REG_8481_LED1_MASK,
6873 0x80);
Yaniv Rosner53eda062011-01-30 04:14:55 +00006874
6875 /* Tell LED3 to blink on source */
6876 bnx2x_cl45_read(bp, phy,
6877 MDIO_PMA_DEVAD,
6878 MDIO_PMA_REG_8481_LINK_SIGNAL,
6879 &val);
6880 val &= ~(7<<6);
6881 val |= (1<<6); /* A83B[8:6]= 1 */
6882 bnx2x_cl45_write(bp, phy,
6883 MDIO_PMA_DEVAD,
6884 MDIO_PMA_REG_8481_LINK_SIGNAL,
6885 val);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006886 }
6887 break;
6888 }
6889}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006890/******************************************************************/
6891/* SFX7101 PHY SECTION */
6892/******************************************************************/
6893static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
6894 struct link_params *params)
6895{
6896 struct bnx2x *bp = params->bp;
6897 /* SFX7101_XGXS_TEST1 */
6898 bnx2x_cl45_write(bp, phy,
6899 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
6900}
6901
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006902static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
6903 struct link_params *params,
6904 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006905{
6906 u16 fw_ver1, fw_ver2, val;
6907 struct bnx2x *bp = params->bp;
6908 DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
6909
6910 /* Restore normal power mode*/
6911 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006912 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006913 /* HW reset */
6914 bnx2x_ext_phy_hw_reset(bp, params->port);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00006915 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006916
6917 bnx2x_cl45_write(bp, phy,
6918 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x1);
6919 DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
6920 bnx2x_cl45_write(bp, phy,
6921 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
6922
6923 bnx2x_ext_phy_set_pause(params, phy, vars);
6924 /* Restart autoneg */
6925 bnx2x_cl45_read(bp, phy,
6926 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
6927 val |= 0x200;
6928 bnx2x_cl45_write(bp, phy,
6929 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
6930
6931 /* Save spirom version */
6932 bnx2x_cl45_read(bp, phy,
6933 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
6934
6935 bnx2x_cl45_read(bp, phy,
6936 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
6937 bnx2x_save_spirom_version(bp, params->port,
6938 (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
6939 return 0;
6940}
6941
6942static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
6943 struct link_params *params,
6944 struct link_vars *vars)
6945{
6946 struct bnx2x *bp = params->bp;
6947 u8 link_up;
6948 u16 val1, val2;
6949 bnx2x_cl45_read(bp, phy,
6950 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
6951 bnx2x_cl45_read(bp, phy,
6952 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
6953 DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
6954 val2, val1);
6955 bnx2x_cl45_read(bp, phy,
6956 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
6957 bnx2x_cl45_read(bp, phy,
6958 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
6959 DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
6960 val2, val1);
6961 link_up = ((val1 & 4) == 4);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006962 /* if link is up print the AN outcome of the SFX7101 PHY */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006963 if (link_up) {
6964 bnx2x_cl45_read(bp, phy,
6965 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
6966 &val2);
6967 vars->line_speed = SPEED_10000;
Yaniv Rosner791f18c2011-01-18 04:33:42 +00006968 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006969 DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
6970 val2, (val2 & (1<<14)));
6971 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
6972 bnx2x_ext_phy_resolve_fc(phy, params, vars);
6973 }
6974 return link_up;
6975}
6976
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006977static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006978{
6979 if (*len < 5)
6980 return -EINVAL;
6981 str[0] = (spirom_ver & 0xFF);
6982 str[1] = (spirom_ver & 0xFF00) >> 8;
6983 str[2] = (spirom_ver & 0xFF0000) >> 16;
6984 str[3] = (spirom_ver & 0xFF000000) >> 24;
6985 str[4] = '\0';
6986 *len -= 5;
6987 return 0;
6988}
6989
6990void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
6991{
6992 u16 val, cnt;
6993
6994 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006995 MDIO_PMA_DEVAD,
6996 MDIO_PMA_REG_7101_RESET, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006997
6998 for (cnt = 0; cnt < 10; cnt++) {
6999 msleep(50);
7000 /* Writes a self-clearing reset */
7001 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007002 MDIO_PMA_DEVAD,
7003 MDIO_PMA_REG_7101_RESET,
7004 (val | (1<<15)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007005 /* Wait for clear */
7006 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007007 MDIO_PMA_DEVAD,
7008 MDIO_PMA_REG_7101_RESET, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007009
7010 if ((val & (1<<15)) == 0)
7011 break;
7012 }
7013}
7014
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007015static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
7016 struct link_params *params) {
7017 /* Low power mode is controlled by GPIO 2 */
7018 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007019 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007020 /* The PHY reset is controlled by GPIO 1 */
7021 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007022 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007023}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007024
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007025static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
7026 struct link_params *params, u8 mode)
7027{
7028 u16 val = 0;
7029 struct bnx2x *bp = params->bp;
7030 switch (mode) {
7031 case LED_MODE_FRONT_PANEL_OFF:
7032 case LED_MODE_OFF:
7033 val = 2;
7034 break;
7035 case LED_MODE_ON:
7036 val = 1;
7037 break;
7038 case LED_MODE_OPER:
7039 val = 0;
7040 break;
7041 }
7042 bnx2x_cl45_write(bp, phy,
7043 MDIO_PMA_DEVAD,
7044 MDIO_PMA_REG_7107_LINK_LED_CNTL,
7045 val);
7046}
7047
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007048/******************************************************************/
7049/* STATIC PHY DECLARATION */
7050/******************************************************************/
7051
7052static struct bnx2x_phy phy_null = {
7053 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
7054 .addr = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007055 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007056 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007057 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7058 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7059 .mdio_ctrl = 0,
7060 .supported = 0,
7061 .media_type = ETH_PHY_NOT_PRESENT,
7062 .ver_addr = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007063 .req_flow_ctrl = 0,
7064 .req_line_speed = 0,
7065 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007066 .req_duplex = 0,
7067 .rsrv = 0,
7068 .config_init = (config_init_t)NULL,
7069 .read_status = (read_status_t)NULL,
7070 .link_reset = (link_reset_t)NULL,
7071 .config_loopback = (config_loopback_t)NULL,
7072 .format_fw_ver = (format_fw_ver_t)NULL,
7073 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007074 .set_link_led = (set_link_led_t)NULL,
7075 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007076};
7077
7078static struct bnx2x_phy phy_serdes = {
7079 .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
7080 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007081 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007082 .flags = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007083 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7084 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7085 .mdio_ctrl = 0,
7086 .supported = (SUPPORTED_10baseT_Half |
7087 SUPPORTED_10baseT_Full |
7088 SUPPORTED_100baseT_Half |
7089 SUPPORTED_100baseT_Full |
7090 SUPPORTED_1000baseT_Full |
7091 SUPPORTED_2500baseX_Full |
7092 SUPPORTED_TP |
7093 SUPPORTED_Autoneg |
7094 SUPPORTED_Pause |
7095 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007096 .media_type = ETH_PHY_BASE_T,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007097 .ver_addr = 0,
7098 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007099 .req_line_speed = 0,
7100 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007101 .req_duplex = 0,
7102 .rsrv = 0,
7103 .config_init = (config_init_t)bnx2x_init_serdes,
7104 .read_status = (read_status_t)bnx2x_link_settings_status,
7105 .link_reset = (link_reset_t)bnx2x_int_link_reset,
7106 .config_loopback = (config_loopback_t)NULL,
7107 .format_fw_ver = (format_fw_ver_t)NULL,
7108 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007109 .set_link_led = (set_link_led_t)NULL,
7110 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007111};
7112
7113static struct bnx2x_phy phy_xgxs = {
7114 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
7115 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007116 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007117 .flags = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007118 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7119 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7120 .mdio_ctrl = 0,
7121 .supported = (SUPPORTED_10baseT_Half |
7122 SUPPORTED_10baseT_Full |
7123 SUPPORTED_100baseT_Half |
7124 SUPPORTED_100baseT_Full |
7125 SUPPORTED_1000baseT_Full |
7126 SUPPORTED_2500baseX_Full |
7127 SUPPORTED_10000baseT_Full |
7128 SUPPORTED_FIBRE |
7129 SUPPORTED_Autoneg |
7130 SUPPORTED_Pause |
7131 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007132 .media_type = ETH_PHY_CX4,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007133 .ver_addr = 0,
7134 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007135 .req_line_speed = 0,
7136 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007137 .req_duplex = 0,
7138 .rsrv = 0,
7139 .config_init = (config_init_t)bnx2x_init_xgxs,
7140 .read_status = (read_status_t)bnx2x_link_settings_status,
7141 .link_reset = (link_reset_t)bnx2x_int_link_reset,
7142 .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
7143 .format_fw_ver = (format_fw_ver_t)NULL,
7144 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007145 .set_link_led = (set_link_led_t)NULL,
7146 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007147};
7148
7149static struct bnx2x_phy phy_7101 = {
7150 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
7151 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007152 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007153 .flags = FLAGS_FAN_FAILURE_DET_REQ,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007154 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7155 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7156 .mdio_ctrl = 0,
7157 .supported = (SUPPORTED_10000baseT_Full |
7158 SUPPORTED_TP |
7159 SUPPORTED_Autoneg |
7160 SUPPORTED_Pause |
7161 SUPPORTED_Asym_Pause),
7162 .media_type = ETH_PHY_BASE_T,
7163 .ver_addr = 0,
7164 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007165 .req_line_speed = 0,
7166 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007167 .req_duplex = 0,
7168 .rsrv = 0,
7169 .config_init = (config_init_t)bnx2x_7101_config_init,
7170 .read_status = (read_status_t)bnx2x_7101_read_status,
7171 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
7172 .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
7173 .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
7174 .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007175 .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007176 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007177};
7178static struct bnx2x_phy phy_8073 = {
7179 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
7180 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007181 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007182 .flags = FLAGS_HW_LOCK_REQUIRED,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007183 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7184 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7185 .mdio_ctrl = 0,
7186 .supported = (SUPPORTED_10000baseT_Full |
7187 SUPPORTED_2500baseX_Full |
7188 SUPPORTED_1000baseT_Full |
7189 SUPPORTED_FIBRE |
7190 SUPPORTED_Autoneg |
7191 SUPPORTED_Pause |
7192 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007193 .media_type = ETH_PHY_KR,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007194 .ver_addr = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007195 .req_flow_ctrl = 0,
7196 .req_line_speed = 0,
7197 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007198 .req_duplex = 0,
7199 .rsrv = 0,
Yaniv Rosner62b29a52010-09-07 11:40:58 +00007200 .config_init = (config_init_t)bnx2x_8073_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007201 .read_status = (read_status_t)bnx2x_8073_read_status,
7202 .link_reset = (link_reset_t)bnx2x_8073_link_reset,
7203 .config_loopback = (config_loopback_t)NULL,
7204 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
7205 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007206 .set_link_led = (set_link_led_t)NULL,
7207 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007208};
7209static struct bnx2x_phy phy_8705 = {
7210 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
7211 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007212 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007213 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007214 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7215 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7216 .mdio_ctrl = 0,
7217 .supported = (SUPPORTED_10000baseT_Full |
7218 SUPPORTED_FIBRE |
7219 SUPPORTED_Pause |
7220 SUPPORTED_Asym_Pause),
7221 .media_type = ETH_PHY_XFP_FIBER,
7222 .ver_addr = 0,
7223 .req_flow_ctrl = 0,
7224 .req_line_speed = 0,
7225 .speed_cap_mask = 0,
7226 .req_duplex = 0,
7227 .rsrv = 0,
7228 .config_init = (config_init_t)bnx2x_8705_config_init,
7229 .read_status = (read_status_t)bnx2x_8705_read_status,
7230 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
7231 .config_loopback = (config_loopback_t)NULL,
7232 .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
7233 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007234 .set_link_led = (set_link_led_t)NULL,
7235 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007236};
7237static struct bnx2x_phy phy_8706 = {
7238 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
7239 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007240 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007241 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007242 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7243 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7244 .mdio_ctrl = 0,
7245 .supported = (SUPPORTED_10000baseT_Full |
7246 SUPPORTED_1000baseT_Full |
7247 SUPPORTED_FIBRE |
7248 SUPPORTED_Pause |
7249 SUPPORTED_Asym_Pause),
7250 .media_type = ETH_PHY_SFP_FIBER,
7251 .ver_addr = 0,
7252 .req_flow_ctrl = 0,
7253 .req_line_speed = 0,
7254 .speed_cap_mask = 0,
7255 .req_duplex = 0,
7256 .rsrv = 0,
7257 .config_init = (config_init_t)bnx2x_8706_config_init,
7258 .read_status = (read_status_t)bnx2x_8706_read_status,
7259 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
7260 .config_loopback = (config_loopback_t)NULL,
7261 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
7262 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007263 .set_link_led = (set_link_led_t)NULL,
7264 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007265};
7266
7267static struct bnx2x_phy phy_8726 = {
7268 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
7269 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007270 .def_md_devad = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007271 .flags = (FLAGS_HW_LOCK_REQUIRED |
7272 FLAGS_INIT_XGXS_FIRST),
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007273 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7274 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7275 .mdio_ctrl = 0,
7276 .supported = (SUPPORTED_10000baseT_Full |
7277 SUPPORTED_1000baseT_Full |
7278 SUPPORTED_Autoneg |
7279 SUPPORTED_FIBRE |
7280 SUPPORTED_Pause |
7281 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007282 .media_type = ETH_PHY_NOT_PRESENT,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007283 .ver_addr = 0,
7284 .req_flow_ctrl = 0,
7285 .req_line_speed = 0,
7286 .speed_cap_mask = 0,
7287 .req_duplex = 0,
7288 .rsrv = 0,
7289 .config_init = (config_init_t)bnx2x_8726_config_init,
7290 .read_status = (read_status_t)bnx2x_8726_read_status,
7291 .link_reset = (link_reset_t)bnx2x_8726_link_reset,
7292 .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
7293 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
7294 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007295 .set_link_led = (set_link_led_t)NULL,
7296 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007297};
7298
7299static struct bnx2x_phy phy_8727 = {
7300 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
7301 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007302 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007303 .flags = FLAGS_FAN_FAILURE_DET_REQ,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007304 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7305 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7306 .mdio_ctrl = 0,
7307 .supported = (SUPPORTED_10000baseT_Full |
7308 SUPPORTED_1000baseT_Full |
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007309 SUPPORTED_FIBRE |
7310 SUPPORTED_Pause |
7311 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007312 .media_type = ETH_PHY_NOT_PRESENT,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007313 .ver_addr = 0,
7314 .req_flow_ctrl = 0,
7315 .req_line_speed = 0,
7316 .speed_cap_mask = 0,
7317 .req_duplex = 0,
7318 .rsrv = 0,
7319 .config_init = (config_init_t)bnx2x_8727_config_init,
7320 .read_status = (read_status_t)bnx2x_8727_read_status,
7321 .link_reset = (link_reset_t)bnx2x_8727_link_reset,
7322 .config_loopback = (config_loopback_t)NULL,
7323 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
7324 .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007325 .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007326 .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007327};
7328static struct bnx2x_phy phy_8481 = {
7329 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
7330 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007331 .def_md_devad = 0,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007332 .flags = FLAGS_FAN_FAILURE_DET_REQ |
7333 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007334 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7335 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7336 .mdio_ctrl = 0,
7337 .supported = (SUPPORTED_10baseT_Half |
7338 SUPPORTED_10baseT_Full |
7339 SUPPORTED_100baseT_Half |
7340 SUPPORTED_100baseT_Full |
7341 SUPPORTED_1000baseT_Full |
7342 SUPPORTED_10000baseT_Full |
7343 SUPPORTED_TP |
7344 SUPPORTED_Autoneg |
7345 SUPPORTED_Pause |
7346 SUPPORTED_Asym_Pause),
7347 .media_type = ETH_PHY_BASE_T,
7348 .ver_addr = 0,
7349 .req_flow_ctrl = 0,
7350 .req_line_speed = 0,
7351 .speed_cap_mask = 0,
7352 .req_duplex = 0,
7353 .rsrv = 0,
7354 .config_init = (config_init_t)bnx2x_8481_config_init,
7355 .read_status = (read_status_t)bnx2x_848xx_read_status,
7356 .link_reset = (link_reset_t)bnx2x_8481_link_reset,
7357 .config_loopback = (config_loopback_t)NULL,
7358 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
7359 .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007360 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007361 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007362};
7363
7364static struct bnx2x_phy phy_84823 = {
7365 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
7366 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007367 .def_md_devad = 0,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007368 .flags = FLAGS_FAN_FAILURE_DET_REQ |
7369 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007370 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7371 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7372 .mdio_ctrl = 0,
7373 .supported = (SUPPORTED_10baseT_Half |
7374 SUPPORTED_10baseT_Full |
7375 SUPPORTED_100baseT_Half |
7376 SUPPORTED_100baseT_Full |
7377 SUPPORTED_1000baseT_Full |
7378 SUPPORTED_10000baseT_Full |
7379 SUPPORTED_TP |
7380 SUPPORTED_Autoneg |
7381 SUPPORTED_Pause |
7382 SUPPORTED_Asym_Pause),
7383 .media_type = ETH_PHY_BASE_T,
7384 .ver_addr = 0,
7385 .req_flow_ctrl = 0,
7386 .req_line_speed = 0,
7387 .speed_cap_mask = 0,
7388 .req_duplex = 0,
7389 .rsrv = 0,
7390 .config_init = (config_init_t)bnx2x_848x3_config_init,
7391 .read_status = (read_status_t)bnx2x_848xx_read_status,
7392 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
7393 .config_loopback = (config_loopback_t)NULL,
7394 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
7395 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007396 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007397 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007398};
7399
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00007400static struct bnx2x_phy phy_84833 = {
7401 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
7402 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007403 .def_md_devad = 0,
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00007404 .flags = FLAGS_FAN_FAILURE_DET_REQ |
7405 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00007406 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7407 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7408 .mdio_ctrl = 0,
7409 .supported = (SUPPORTED_10baseT_Half |
7410 SUPPORTED_10baseT_Full |
7411 SUPPORTED_100baseT_Half |
7412 SUPPORTED_100baseT_Full |
7413 SUPPORTED_1000baseT_Full |
7414 SUPPORTED_10000baseT_Full |
7415 SUPPORTED_TP |
7416 SUPPORTED_Autoneg |
7417 SUPPORTED_Pause |
7418 SUPPORTED_Asym_Pause),
7419 .media_type = ETH_PHY_BASE_T,
7420 .ver_addr = 0,
7421 .req_flow_ctrl = 0,
7422 .req_line_speed = 0,
7423 .speed_cap_mask = 0,
7424 .req_duplex = 0,
7425 .rsrv = 0,
7426 .config_init = (config_init_t)bnx2x_848x3_config_init,
7427 .read_status = (read_status_t)bnx2x_848xx_read_status,
7428 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
7429 .config_loopback = (config_loopback_t)NULL,
7430 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
7431 .hw_reset = (hw_reset_t)NULL,
7432 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
7433 .phy_specific_func = (phy_specific_func_t)NULL
7434};
7435
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007436/*****************************************************************/
7437/* */
7438/* Populate the phy according. Main function: bnx2x_populate_phy */
7439/* */
7440/*****************************************************************/
7441
7442static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
7443 struct bnx2x_phy *phy, u8 port,
7444 u8 phy_index)
7445{
7446 /* Get the 4 lanes xgxs config rx and tx */
7447 u32 rx = 0, tx = 0, i;
7448 for (i = 0; i < 2; i++) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007449 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007450 * INT_PHY and EXT_PHY1 share the same value location in the
7451 * shmem. When num_phys is greater than 1, than this value
7452 * applies only to EXT_PHY1
7453 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007454 if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
7455 rx = REG_RD(bp, shmem_base +
7456 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007457 dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007458
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007459 tx = REG_RD(bp, shmem_base +
7460 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007461 dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007462 } else {
7463 rx = REG_RD(bp, shmem_base +
7464 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007465 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007466
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007467 tx = REG_RD(bp, shmem_base +
7468 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007469 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007470 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007471
7472 phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
7473 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
7474
7475 phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
7476 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
7477 }
7478}
7479
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007480static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
7481 u8 phy_index, u8 port)
7482{
7483 u32 ext_phy_config = 0;
7484 switch (phy_index) {
7485 case EXT_PHY1:
7486 ext_phy_config = REG_RD(bp, shmem_base +
7487 offsetof(struct shmem_region,
7488 dev_info.port_hw_config[port].external_phy_config));
7489 break;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007490 case EXT_PHY2:
7491 ext_phy_config = REG_RD(bp, shmem_base +
7492 offsetof(struct shmem_region,
7493 dev_info.port_hw_config[port].external_phy_config2));
7494 break;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007495 default:
7496 DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
7497 return -EINVAL;
7498 }
7499
7500 return ext_phy_config;
7501}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007502static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
7503 struct bnx2x_phy *phy)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007504{
7505 u32 phy_addr;
7506 u32 chip_id;
7507 u32 switch_cfg = (REG_RD(bp, shmem_base +
7508 offsetof(struct shmem_region,
7509 dev_info.port_feature_config[port].link_config)) &
7510 PORT_FEATURE_CONNECTED_SWITCH_MASK);
7511 chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
7512 switch (switch_cfg) {
7513 case SWITCH_CFG_1G:
7514 phy_addr = REG_RD(bp,
7515 NIG_REG_SERDES0_CTRL_PHY_ADDR +
7516 port * 0x10);
7517 *phy = phy_serdes;
7518 break;
7519 case SWITCH_CFG_10G:
7520 phy_addr = REG_RD(bp,
7521 NIG_REG_XGXS0_CTRL_PHY_ADDR +
7522 port * 0x18);
7523 *phy = phy_xgxs;
7524 break;
7525 default:
7526 DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
7527 return -EINVAL;
7528 }
7529 phy->addr = (u8)phy_addr;
7530 phy->mdio_ctrl = bnx2x_get_emac_base(bp,
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007531 SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007532 port);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007533 if (CHIP_IS_E2(bp))
7534 phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
7535 else
7536 phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007537
7538 DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
7539 port, phy->addr, phy->mdio_ctrl);
7540
7541 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
7542 return 0;
7543}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007544
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007545static int bnx2x_populate_ext_phy(struct bnx2x *bp,
7546 u8 phy_index,
7547 u32 shmem_base,
7548 u32 shmem2_base,
7549 u8 port,
7550 struct bnx2x_phy *phy)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007551{
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007552 u32 ext_phy_config, phy_type, config2;
7553 u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007554 ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
7555 phy_index, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007556 phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
7557 /* Select the phy type */
7558 switch (phy_type) {
7559 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007560 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007561 *phy = phy_8073;
7562 break;
7563 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7564 *phy = phy_8705;
7565 break;
7566 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7567 *phy = phy_8706;
7568 break;
7569 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007570 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007571 *phy = phy_8726;
7572 break;
7573 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
7574 /* BCM8727_NOC => BCM8727 no over current */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007575 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007576 *phy = phy_8727;
7577 phy->flags |= FLAGS_NOC;
7578 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007579 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007580 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007581 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007582 *phy = phy_8727;
7583 break;
7584 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
7585 *phy = phy_8481;
7586 break;
7587 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
7588 *phy = phy_84823;
7589 break;
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00007590 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
7591 *phy = phy_84833;
7592 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007593 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7594 *phy = phy_7101;
7595 break;
7596 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7597 *phy = phy_null;
7598 return -EINVAL;
7599 default:
7600 *phy = phy_null;
7601 return 0;
7602 }
7603
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007604 phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007605 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00007606
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007607 /*
7608 * The shmem address of the phy version is located on different
7609 * structures. In case this structure is too old, do not set
7610 * the address
7611 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007612 config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
7613 dev_info.shared_hw_config.config2));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007614 if (phy_index == EXT_PHY1) {
7615 phy->ver_addr = shmem_base + offsetof(struct shmem_region,
7616 port_mb[port].ext_phy_fw_version);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007617
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007618 /* Check specific mdc mdio settings */
7619 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
7620 mdc_mdio_access = config2 &
7621 SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007622 } else {
7623 u32 size = REG_RD(bp, shmem2_base);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007624
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007625 if (size >
7626 offsetof(struct shmem2_region, ext_phy_fw_version2)) {
7627 phy->ver_addr = shmem2_base +
7628 offsetof(struct shmem2_region,
7629 ext_phy_fw_version2[port]);
7630 }
7631 /* Check specific mdc mdio settings */
7632 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
7633 mdc_mdio_access = (config2 &
7634 SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
7635 (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
7636 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
7637 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007638 phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
7639
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007640 /*
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007641 * In case mdc/mdio_access of the external phy is different than the
7642 * mdc/mdio access of the XGXS, a HW lock must be taken in each access
7643 * to prevent one port interfere with another port's CL45 operations.
7644 */
7645 if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
7646 phy->flags |= FLAGS_HW_LOCK_REQUIRED;
7647 DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
7648 phy_type, port, phy_index);
7649 DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
7650 phy->addr, phy->mdio_ctrl);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007651 return 0;
7652}
7653
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007654static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
7655 u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007656{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007657 int status = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007658 phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
7659 if (phy_index == INT_PHY)
7660 return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007661 status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007662 port, phy);
7663 return status;
7664}
7665
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007666static void bnx2x_phy_def_cfg(struct link_params *params,
7667 struct bnx2x_phy *phy,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007668 u8 phy_index)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007669{
7670 struct bnx2x *bp = params->bp;
7671 u32 link_config;
7672 /* Populate the default phy configuration for MF mode */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007673 if (phy_index == EXT_PHY2) {
7674 link_config = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007675 offsetof(struct shmem_region, dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007676 port_feature_config[params->port].link_config2));
7677 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007678 offsetof(struct shmem_region,
7679 dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007680 port_hw_config[params->port].speed_capability_mask2));
7681 } else {
7682 link_config = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007683 offsetof(struct shmem_region, dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007684 port_feature_config[params->port].link_config));
7685 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007686 offsetof(struct shmem_region,
7687 dev_info.
7688 port_hw_config[params->port].speed_capability_mask));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007689 }
7690 DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
7691 " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007692
7693 phy->req_duplex = DUPLEX_FULL;
7694 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
7695 case PORT_FEATURE_LINK_SPEED_10M_HALF:
7696 phy->req_duplex = DUPLEX_HALF;
7697 case PORT_FEATURE_LINK_SPEED_10M_FULL:
7698 phy->req_line_speed = SPEED_10;
7699 break;
7700 case PORT_FEATURE_LINK_SPEED_100M_HALF:
7701 phy->req_duplex = DUPLEX_HALF;
7702 case PORT_FEATURE_LINK_SPEED_100M_FULL:
7703 phy->req_line_speed = SPEED_100;
7704 break;
7705 case PORT_FEATURE_LINK_SPEED_1G:
7706 phy->req_line_speed = SPEED_1000;
7707 break;
7708 case PORT_FEATURE_LINK_SPEED_2_5G:
7709 phy->req_line_speed = SPEED_2500;
7710 break;
7711 case PORT_FEATURE_LINK_SPEED_10G_CX4:
7712 phy->req_line_speed = SPEED_10000;
7713 break;
7714 default:
7715 phy->req_line_speed = SPEED_AUTO_NEG;
7716 break;
7717 }
7718
7719 switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
7720 case PORT_FEATURE_FLOW_CONTROL_AUTO:
7721 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
7722 break;
7723 case PORT_FEATURE_FLOW_CONTROL_TX:
7724 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
7725 break;
7726 case PORT_FEATURE_FLOW_CONTROL_RX:
7727 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
7728 break;
7729 case PORT_FEATURE_FLOW_CONTROL_BOTH:
7730 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
7731 break;
7732 default:
7733 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
7734 break;
7735 }
7736}
7737
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007738u32 bnx2x_phy_selection(struct link_params *params)
7739{
7740 u32 phy_config_swapped, prio_cfg;
7741 u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
7742
7743 phy_config_swapped = params->multi_phy_config &
7744 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
7745
7746 prio_cfg = params->multi_phy_config &
7747 PORT_HW_CFG_PHY_SELECTION_MASK;
7748
7749 if (phy_config_swapped) {
7750 switch (prio_cfg) {
7751 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
7752 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
7753 break;
7754 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
7755 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
7756 break;
7757 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
7758 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
7759 break;
7760 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
7761 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
7762 break;
7763 }
7764 } else
7765 return_cfg = prio_cfg;
7766
7767 return return_cfg;
7768}
7769
7770
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007771int bnx2x_phy_probe(struct link_params *params)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007772{
7773 u8 phy_index, actual_phy_idx, link_cfg_idx;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007774 u32 phy_config_swapped, sync_offset, media_types;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007775 struct bnx2x *bp = params->bp;
7776 struct bnx2x_phy *phy;
7777 params->num_phys = 0;
7778 DP(NETIF_MSG_LINK, "Begin phy probe\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007779 phy_config_swapped = params->multi_phy_config &
7780 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007781
7782 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
7783 phy_index++) {
7784 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
7785 actual_phy_idx = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007786 if (phy_config_swapped) {
7787 if (phy_index == EXT_PHY1)
7788 actual_phy_idx = EXT_PHY2;
7789 else if (phy_index == EXT_PHY2)
7790 actual_phy_idx = EXT_PHY1;
7791 }
7792 DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
7793 " actual_phy_idx %x\n", phy_config_swapped,
7794 phy_index, actual_phy_idx);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007795 phy = &params->phy[actual_phy_idx];
7796 if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007797 params->shmem2_base, params->port,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007798 phy) != 0) {
7799 params->num_phys = 0;
7800 DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
7801 phy_index);
7802 for (phy_index = INT_PHY;
7803 phy_index < MAX_PHYS;
7804 phy_index++)
7805 *phy = phy_null;
7806 return -EINVAL;
7807 }
7808 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
7809 break;
7810
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007811 sync_offset = params->shmem_base +
7812 offsetof(struct shmem_region,
7813 dev_info.port_hw_config[params->port].media_type);
7814 media_types = REG_RD(bp, sync_offset);
7815
7816 /*
7817 * Update media type for non-PMF sync only for the first time
7818 * In case the media type changes afterwards, it will be updated
7819 * using the update_status function
7820 */
7821 if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
7822 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
7823 actual_phy_idx))) == 0) {
7824 media_types |= ((phy->media_type &
7825 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
7826 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
7827 actual_phy_idx));
7828 }
7829 REG_WR(bp, sync_offset, media_types);
7830
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007831 bnx2x_phy_def_cfg(params, phy, phy_index);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007832 params->num_phys++;
7833 }
7834
7835 DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
7836 return 0;
7837}
7838
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007839void bnx2x_init_bmac_loopback(struct link_params *params,
7840 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007841{
7842 struct bnx2x *bp = params->bp;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007843 vars->link_up = 1;
7844 vars->line_speed = SPEED_10000;
7845 vars->duplex = DUPLEX_FULL;
7846 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
7847 vars->mac_type = MAC_TYPE_BMAC;
7848
7849 vars->phy_flags = PHY_XGXS_FLAG;
7850
7851 bnx2x_xgxs_deassert(params);
7852
7853 /* set bmac loopback */
7854 bnx2x_bmac_enable(params, vars, 1);
7855
7856 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
7857}
7858
7859void bnx2x_init_emac_loopback(struct link_params *params,
7860 struct link_vars *vars)
7861{
7862 struct bnx2x *bp = params->bp;
7863 vars->link_up = 1;
7864 vars->line_speed = SPEED_1000;
7865 vars->duplex = DUPLEX_FULL;
7866 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
7867 vars->mac_type = MAC_TYPE_EMAC;
7868
7869 vars->phy_flags = PHY_XGXS_FLAG;
7870
7871 bnx2x_xgxs_deassert(params);
7872 /* set bmac loopback */
7873 bnx2x_emac_enable(params, vars, 1);
7874 bnx2x_emac_program(params, vars);
7875 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
7876}
7877
7878void bnx2x_init_xgxs_loopback(struct link_params *params,
7879 struct link_vars *vars)
7880{
7881 struct bnx2x *bp = params->bp;
7882 vars->link_up = 1;
7883 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
7884 vars->duplex = DUPLEX_FULL;
7885 if (params->req_line_speed[0] == SPEED_1000)
7886 vars->line_speed = SPEED_1000;
7887 else
7888 vars->line_speed = SPEED_10000;
7889
7890
7891 bnx2x_xgxs_deassert(params);
7892 bnx2x_link_initialize(params, vars);
7893
7894 if (params->req_line_speed[0] == SPEED_1000) {
7895 bnx2x_emac_program(params, vars);
7896 bnx2x_emac_enable(params, vars, 0);
7897
7898 } else
7899 bnx2x_bmac_enable(params, vars, 0);
7900
7901
7902 if (params->loopback_mode == LOOPBACK_XGXS) {
7903 /* set 10G XGXS loopback */
7904 params->phy[INT_PHY].config_loopback(
7905 &params->phy[INT_PHY],
7906 params);
7907
7908 } else {
7909 /* set external phy loopback */
7910 u8 phy_index;
7911 for (phy_index = EXT_PHY1;
7912 phy_index < params->num_phys; phy_index++) {
7913 if (params->phy[phy_index].config_loopback)
7914 params->phy[phy_index].config_loopback(
7915 &params->phy[phy_index],
7916 params);
7917 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007918 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007919 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007920
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007921 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007922}
7923
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007924int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007925{
7926 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007927 DP(NETIF_MSG_LINK, "Phy Initialization started\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007928 DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
7929 params->req_line_speed[0], params->req_flow_ctrl[0]);
7930 DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
7931 params->req_line_speed[1], params->req_flow_ctrl[1]);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007932 vars->link_status = 0;
7933 vars->phy_link_up = 0;
7934 vars->link_up = 0;
7935 vars->line_speed = 0;
7936 vars->duplex = DUPLEX_FULL;
7937 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
7938 vars->mac_type = MAC_TYPE_NONE;
7939 vars->phy_flags = 0;
7940
7941 /* disable attentions */
7942 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
7943 (NIG_MASK_XGXS0_LINK_STATUS |
7944 NIG_MASK_XGXS0_LINK10G |
7945 NIG_MASK_SERDES0_LINK_STATUS |
7946 NIG_MASK_MI_INT));
7947
7948 bnx2x_emac_init(params, vars);
7949
7950 if (params->num_phys == 0) {
7951 DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
7952 return -EINVAL;
7953 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007954 set_phy_vars(params, vars);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007955
7956 DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007957 switch (params->loopback_mode) {
7958 case LOOPBACK_BMAC:
7959 bnx2x_init_bmac_loopback(params, vars);
7960 break;
7961 case LOOPBACK_EMAC:
7962 bnx2x_init_emac_loopback(params, vars);
7963 break;
7964 case LOOPBACK_XGXS:
7965 case LOOPBACK_EXT_PHY:
7966 bnx2x_init_xgxs_loopback(params, vars);
7967 break;
7968 default:
7969 /* No loopback */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007970 if (params->switch_cfg == SWITCH_CFG_10G)
7971 bnx2x_xgxs_deassert(params);
7972 else
7973 bnx2x_serdes_deassert(bp, params->port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007974
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007975 bnx2x_link_initialize(params, vars);
7976 msleep(30);
7977 bnx2x_link_int_enable(params);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007978 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007979 }
7980 return 0;
7981}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007982
7983int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
7984 u8 reset_ext_phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007985{
7986 struct bnx2x *bp = params->bp;
Yaniv Rosnercf1d9722010-11-01 05:32:34 +00007987 u8 phy_index, port = params->port, clear_latch_ind = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007988 DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
7989 /* disable attentions */
7990 vars->link_status = 0;
7991 bnx2x_update_mng(params, vars->link_status);
7992 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007993 (NIG_MASK_XGXS0_LINK_STATUS |
7994 NIG_MASK_XGXS0_LINK10G |
7995 NIG_MASK_SERDES0_LINK_STATUS |
7996 NIG_MASK_MI_INT));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007997
7998 /* activate nig drain */
7999 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
8000
8001 /* disable nig egress interface */
8002 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
8003 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
8004
8005 /* Stop BigMac rx */
8006 bnx2x_bmac_rx_disable(bp, port);
8007
8008 /* disable emac */
8009 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
8010
8011 msleep(10);
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008012 /* The PHY reset is controlled by GPIO 1
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008013 * Hold it as vars low
8014 */
8015 /* clear link led */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00008016 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
8017
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008018 if (reset_ext_phy) {
8019 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
8020 phy_index++) {
8021 if (params->phy[phy_index].link_reset)
8022 params->phy[phy_index].link_reset(
8023 &params->phy[phy_index],
8024 params);
Yaniv Rosnercf1d9722010-11-01 05:32:34 +00008025 if (params->phy[phy_index].flags &
8026 FLAGS_REARM_LATCH_SIGNAL)
8027 clear_latch_ind = 1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008028 }
8029 }
8030
Yaniv Rosnercf1d9722010-11-01 05:32:34 +00008031 if (clear_latch_ind) {
8032 /* Clear latching indication */
8033 bnx2x_rearm_latch_signal(bp, port, 0);
8034 bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
8035 1 << NIG_LATCH_BC_ENABLE_MI_INT);
8036 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008037 if (params->phy[INT_PHY].link_reset)
8038 params->phy[INT_PHY].link_reset(
8039 &params->phy[INT_PHY], params);
8040 /* reset BigMac */
8041 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
8042 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
8043
8044 /* disable nig ingress interface */
8045 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
8046 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
8047 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
8048 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
8049 vars->link_up = 0;
8050 return 0;
8051}
8052
8053/****************************************************************************/
8054/* Common function */
8055/****************************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008056static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
8057 u32 shmem_base_path[],
8058 u32 shmem2_base_path[], u8 phy_index,
8059 u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008060{
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008061 struct bnx2x_phy phy[PORT_MAX];
8062 struct bnx2x_phy *phy_blk[PORT_MAX];
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008063 u16 val;
Yaniv Rosnerc8e64df2011-01-30 04:15:00 +00008064 s8 port = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008065 s8 port_of_path = 0;
Yaniv Rosnerc8e64df2011-01-30 04:15:00 +00008066 u32 swap_val, swap_override;
8067 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
8068 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
8069 port ^= (swap_val && swap_override);
8070 bnx2x_ext_phy_hw_reset(bp, port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008071 /* PART1 - Reset both phys */
8072 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008073 u32 shmem_base, shmem2_base;
8074 /* In E2, same phy is using for port0 of the two paths */
8075 if (CHIP_IS_E2(bp)) {
8076 shmem_base = shmem_base_path[port];
8077 shmem2_base = shmem2_base_path[port];
8078 port_of_path = 0;
8079 } else {
8080 shmem_base = shmem_base_path[0];
8081 shmem2_base = shmem2_base_path[0];
8082 port_of_path = port;
8083 }
8084
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008085 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008086 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008087 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008088 0) {
8089 DP(NETIF_MSG_LINK, "populate_phy failed\n");
8090 return -EINVAL;
8091 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008092 /* disable attentions */
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00008093 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
8094 port_of_path*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008095 (NIG_MASK_XGXS0_LINK_STATUS |
8096 NIG_MASK_XGXS0_LINK10G |
8097 NIG_MASK_SERDES0_LINK_STATUS |
8098 NIG_MASK_MI_INT));
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008099
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008100 /* Need to take the phy out of low power mode in order
8101 to write to access its registers */
8102 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008103 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
8104 port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008105
8106 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008107 bnx2x_cl45_write(bp, &phy[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008108 MDIO_PMA_DEVAD,
8109 MDIO_PMA_REG_CTRL,
8110 1<<15);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008111 }
8112
8113 /* Add delay of 150ms after reset */
8114 msleep(150);
8115
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008116 if (phy[PORT_0].addr & 0x1) {
8117 phy_blk[PORT_0] = &(phy[PORT_1]);
8118 phy_blk[PORT_1] = &(phy[PORT_0]);
8119 } else {
8120 phy_blk[PORT_0] = &(phy[PORT_0]);
8121 phy_blk[PORT_1] = &(phy[PORT_1]);
8122 }
8123
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008124 /* PART2 - Download firmware to both phys */
8125 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008126 if (CHIP_IS_E2(bp))
8127 port_of_path = 0;
8128 else
8129 port_of_path = port;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008130
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008131 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
8132 phy_blk[port]->addr);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00008133 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
8134 port_of_path))
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008135 return -EINVAL;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008136
8137 /* Only set bit 10 = 1 (Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008138 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008139 MDIO_PMA_DEVAD,
8140 MDIO_PMA_REG_TX_POWER_DOWN, &val);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008141
8142 /* Phase1 of TX_POWER_DOWN reset */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008143 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008144 MDIO_PMA_DEVAD,
8145 MDIO_PMA_REG_TX_POWER_DOWN,
8146 (val | 1<<10));
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008147 }
8148
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008149 /*
8150 * Toggle Transmitter: Power down and then up with 600ms delay
8151 * between
8152 */
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008153 msleep(600);
8154
8155 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
8156 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Eilon Greensteinf5372252009-02-12 08:38:30 +00008157 /* Phase2 of POWER_DOWN_RESET */
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008158 /* Release bit 10 (Release Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008159 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008160 MDIO_PMA_DEVAD,
8161 MDIO_PMA_REG_TX_POWER_DOWN, &val);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008162
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008163 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008164 MDIO_PMA_DEVAD,
8165 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008166 msleep(15);
8167
8168 /* Read modify write the SPI-ROM version select register */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008169 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008170 MDIO_PMA_DEVAD,
8171 MDIO_PMA_REG_EDC_FFE_MAIN, &val);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008172 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008173 MDIO_PMA_DEVAD,
8174 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008175
8176 /* set GPIO2 back to LOW */
8177 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008178 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008179 }
8180 return 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008181}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008182static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
8183 u32 shmem_base_path[],
8184 u32 shmem2_base_path[], u8 phy_index,
8185 u32 chip_id)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008186{
8187 u32 val;
8188 s8 port;
8189 struct bnx2x_phy phy;
8190 /* Use port1 because of the static port-swap */
8191 /* Enable the module detection interrupt */
8192 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
8193 val |= ((1<<MISC_REGISTERS_GPIO_3)|
8194 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
8195 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
8196
Yaniv Rosner650154b2010-11-01 05:32:36 +00008197 bnx2x_ext_phy_hw_reset(bp, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008198 msleep(5);
8199 for (port = 0; port < PORT_MAX; port++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008200 u32 shmem_base, shmem2_base;
8201
8202 /* In E2, same phy is using for port0 of the two paths */
8203 if (CHIP_IS_E2(bp)) {
8204 shmem_base = shmem_base_path[port];
8205 shmem2_base = shmem2_base_path[port];
8206 } else {
8207 shmem_base = shmem_base_path[0];
8208 shmem2_base = shmem2_base_path[0];
8209 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008210 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008211 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008212 port, &phy) !=
8213 0) {
8214 DP(NETIF_MSG_LINK, "populate phy failed\n");
8215 return -EINVAL;
8216 }
8217
8218 /* Reset phy*/
8219 bnx2x_cl45_write(bp, &phy,
8220 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
8221
8222
8223 /* Set fault module detected LED on */
8224 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008225 MISC_REGISTERS_GPIO_HIGH,
8226 port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008227 }
8228
8229 return 0;
8230}
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008231static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
8232 u8 *io_gpio, u8 *io_port)
8233{
8234
8235 u32 phy_gpio_reset = REG_RD(bp, shmem_base +
8236 offsetof(struct shmem_region,
8237 dev_info.port_hw_config[PORT_0].default_cfg));
8238 switch (phy_gpio_reset) {
8239 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
8240 *io_gpio = 0;
8241 *io_port = 0;
8242 break;
8243 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
8244 *io_gpio = 1;
8245 *io_port = 0;
8246 break;
8247 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
8248 *io_gpio = 2;
8249 *io_port = 0;
8250 break;
8251 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
8252 *io_gpio = 3;
8253 *io_port = 0;
8254 break;
8255 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
8256 *io_gpio = 0;
8257 *io_port = 1;
8258 break;
8259 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
8260 *io_gpio = 1;
8261 *io_port = 1;
8262 break;
8263 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
8264 *io_gpio = 2;
8265 *io_port = 1;
8266 break;
8267 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
8268 *io_gpio = 3;
8269 *io_port = 1;
8270 break;
8271 default:
8272 /* Don't override the io_gpio and io_port */
8273 break;
8274 }
8275}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008276
8277static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
8278 u32 shmem_base_path[],
8279 u32 shmem2_base_path[], u8 phy_index,
8280 u32 chip_id)
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008281{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008282 s8 port, reset_gpio;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008283 u32 swap_val, swap_override;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008284 struct bnx2x_phy phy[PORT_MAX];
8285 struct bnx2x_phy *phy_blk[PORT_MAX];
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008286 s8 port_of_path;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008287 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
8288 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008289
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008290 reset_gpio = MISC_REGISTERS_GPIO_1;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008291 port = 1;
8292
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008293 /*
8294 * Retrieve the reset gpio/port which control the reset.
8295 * Default is GPIO1, PORT1
8296 */
8297 bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
8298 (u8 *)&reset_gpio, (u8 *)&port);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008299
8300 /* Calculate the port based on port swap */
8301 port ^= (swap_val && swap_override);
8302
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008303 /* Initiate PHY reset*/
8304 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
8305 port);
8306 msleep(1);
8307 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
8308 port);
8309
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008310 msleep(5);
8311
8312 /* PART1 - Reset both phys */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008313 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008314 u32 shmem_base, shmem2_base;
8315
8316 /* In E2, same phy is using for port0 of the two paths */
8317 if (CHIP_IS_E2(bp)) {
8318 shmem_base = shmem_base_path[port];
8319 shmem2_base = shmem2_base_path[port];
8320 port_of_path = 0;
8321 } else {
8322 shmem_base = shmem_base_path[0];
8323 shmem2_base = shmem2_base_path[0];
8324 port_of_path = port;
8325 }
8326
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008327 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008328 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008329 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008330 0) {
8331 DP(NETIF_MSG_LINK, "populate phy failed\n");
8332 return -EINVAL;
8333 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008334 /* disable attentions */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008335 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
8336 port_of_path*4,
8337 (NIG_MASK_XGXS0_LINK_STATUS |
8338 NIG_MASK_XGXS0_LINK10G |
8339 NIG_MASK_SERDES0_LINK_STATUS |
8340 NIG_MASK_MI_INT));
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008341
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008342
8343 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008344 bnx2x_cl45_write(bp, &phy[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008345 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008346 }
8347
8348 /* Add delay of 150ms after reset */
8349 msleep(150);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008350 if (phy[PORT_0].addr & 0x1) {
8351 phy_blk[PORT_0] = &(phy[PORT_1]);
8352 phy_blk[PORT_1] = &(phy[PORT_0]);
8353 } else {
8354 phy_blk[PORT_0] = &(phy[PORT_0]);
8355 phy_blk[PORT_1] = &(phy[PORT_1]);
8356 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008357 /* PART2 - Download firmware to both phys */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008358 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008359 if (CHIP_IS_E2(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008360 port_of_path = 0;
8361 else
8362 port_of_path = port;
8363 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
8364 phy_blk[port]->addr);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00008365 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
8366 port_of_path))
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008367 return -EINVAL;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008368
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00008369 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008370 return 0;
8371}
8372
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008373static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
8374 u32 shmem2_base_path[], u8 phy_index,
8375 u32 ext_phy_type, u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008376{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008377 int rc = 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008378
8379 switch (ext_phy_type) {
8380 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008381 rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
8382 shmem2_base_path,
8383 phy_index, chip_id);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008384 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008385 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008386 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8387 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008388 rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
8389 shmem2_base_path,
8390 phy_index, chip_id);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008391 break;
8392
Eilon Greenstein589abe32009-02-12 08:36:55 +00008393 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008394 /*
8395 * GPIO1 affects both ports, so there's need to pull
8396 * it for single port alone
8397 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008398 rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
8399 shmem2_base_path,
8400 phy_index, chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008401 break;
8402 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
8403 rc = -EINVAL;
Yaniv Rosner4f60dab2009-11-05 19:18:23 +02008404 break;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008405 default:
8406 DP(NETIF_MSG_LINK,
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008407 "ext_phy 0x%x common init not required\n",
8408 ext_phy_type);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008409 break;
8410 }
8411
Yaniv Rosner6d870c32011-01-31 04:22:20 +00008412 if (rc != 0)
8413 netdev_err(bp->dev, "Warning: PHY was not initialized,"
8414 " Port %d\n",
8415 0);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008416 return rc;
8417}
8418
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008419int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
8420 u32 shmem2_base_path[], u32 chip_id)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008421{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008422 int rc = 0;
Yaniv Rosnerb21a3422011-01-18 04:33:24 +00008423 u32 phy_ver;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008424 u8 phy_index;
8425 u32 ext_phy_type, ext_phy_config;
8426 DP(NETIF_MSG_LINK, "Begin common phy init\n");
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00008427
Yaniv Rosnerb21a3422011-01-18 04:33:24 +00008428 /* Check if common init was already done */
8429 phy_ver = REG_RD(bp, shmem_base_path[0] +
8430 offsetof(struct shmem_region,
8431 port_mb[PORT_0].ext_phy_fw_version));
8432 if (phy_ver) {
8433 DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
8434 phy_ver);
8435 return 0;
8436 }
8437
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008438 /* Read the ext_phy_type for arbitrary port(0) */
8439 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
8440 phy_index++) {
8441 ext_phy_config = bnx2x_get_ext_phy_config(bp,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008442 shmem_base_path[0],
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008443 phy_index, 0);
8444 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008445 rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
8446 shmem2_base_path,
8447 phy_index, ext_phy_type,
8448 chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008449 }
8450 return rc;
8451}
8452
8453u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00008454{
8455 u8 phy_index;
8456 struct bnx2x_phy phy;
8457 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
8458 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008459 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00008460 0, &phy) != 0) {
8461 DP(NETIF_MSG_LINK, "populate phy failed\n");
8462 return 0;
8463 }
8464
8465 if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
8466 return 1;
8467 }
8468 return 0;
8469}
8470
8471u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
8472 u32 shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008473 u32 shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00008474 u8 port)
8475{
8476 u8 phy_index, fan_failure_det_req = 0;
8477 struct bnx2x_phy phy;
8478 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
8479 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008480 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00008481 port, &phy)
8482 != 0) {
8483 DP(NETIF_MSG_LINK, "populate phy failed\n");
8484 return 0;
8485 }
8486 fan_failure_det_req |= (phy.flags &
8487 FLAGS_FAN_FAILURE_DET_REQ);
8488 }
8489 return fan_failure_det_req;
8490}
8491
8492void bnx2x_hw_reset_phy(struct link_params *params)
8493{
8494 u8 phy_index;
8495 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
8496 phy_index++) {
8497 if (params->phy[phy_index].hw_reset) {
8498 params->phy[phy_index].hw_reset(
8499 &params->phy[phy_index],
8500 params);
8501 params->phy[phy_index] = phy_null;
8502 }
8503 }
8504}
Yaniv Rosner020c7e32011-05-31 21:28:43 +00008505
8506void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
8507 u32 chip_id, u32 shmem_base, u32 shmem2_base,
8508 u8 port)
8509{
8510 u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
8511 u32 val;
8512 u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
8513
8514 {
8515 struct bnx2x_phy phy;
8516 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
8517 phy_index++) {
8518 if (bnx2x_populate_phy(bp, phy_index, shmem_base,
8519 shmem2_base, port, &phy)
8520 != 0) {
8521 DP(NETIF_MSG_LINK, "populate phy failed\n");
8522 return;
8523 }
8524 if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
8525 gpio_num = MISC_REGISTERS_GPIO_3;
8526 gpio_port = port;
8527 break;
8528 }
8529 }
8530 }
8531
8532 if (gpio_num == 0xff)
8533 return;
8534
8535 /* Set GPIO3 to trigger SFP+ module insertion/removal */
8536 bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
8537
8538 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
8539 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
8540 gpio_port ^= (swap_val && swap_override);
8541
8542 vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
8543 (gpio_num + (gpio_port << 2));
8544
8545 sync_offset = shmem_base +
8546 offsetof(struct shmem_region,
8547 dev_info.port_hw_config[port].aeu_int_mask);
8548 REG_WR(bp, sync_offset, vars->aeu_int_mask);
8549
8550 DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
8551 gpio_num, gpio_port, vars->aeu_int_mask);
8552
8553 if (port == 0)
8554 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
8555 else
8556 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
8557
8558 /* Open appropriate AEU for interrupts */
8559 aeu_mask = REG_RD(bp, offset);
8560 aeu_mask |= vars->aeu_int_mask;
8561 REG_WR(bp, offset, aeu_mask);
8562
8563 /* Enable the GPIO to trigger interrupt */
8564 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
8565 val |= 1 << (gpio_num + (gpio_port << 2));
8566 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
8567}