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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 Rosnerde6eae12010-09-07 11:41:13 +00001918 DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x\n",
1919 vars->link_status, vars->phy_link_up);
1920 DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
1921 vars->line_speed, vars->duplex, vars->flow_ctrl);
1922}
1923
1924
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001925static void bnx2x_set_master_ln(struct link_params *params,
1926 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001927{
1928 struct bnx2x *bp = params->bp;
1929 u16 new_master_ln, ser_lane;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001930 ser_lane = ((params->lane_config &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001931 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001932 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001933
1934 /* set the master_ln for AN */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00001935 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001936 MDIO_REG_BANK_XGXS_BLOCK2,
1937 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
1938 &new_master_ln);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001939
Yaniv Rosnercd2be892011-01-31 04:21:45 +00001940 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001941 MDIO_REG_BANK_XGXS_BLOCK2 ,
1942 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
1943 (new_master_ln | ser_lane));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001944}
1945
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00001946static int bnx2x_reset_unicore(struct link_params *params,
1947 struct bnx2x_phy *phy,
1948 u8 set_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001949{
1950 struct bnx2x *bp = params->bp;
1951 u16 mii_control;
1952 u16 i;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00001953 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001954 MDIO_REG_BANK_COMBO_IEEE0,
1955 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001956
1957 /* reset the unicore */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00001958 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001959 MDIO_REG_BANK_COMBO_IEEE0,
1960 MDIO_COMBO_IEEE0_MII_CONTROL,
1961 (mii_control |
1962 MDIO_COMBO_IEEO_MII_CONTROL_RESET));
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001963 if (set_serdes)
1964 bnx2x_set_serdes_access(bp, params->port);
Eilon Greensteinc1b73992009-02-12 08:37:07 +00001965
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001966 /* wait for the reset to self clear */
1967 for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
1968 udelay(5);
1969
1970 /* the reset erased the previous bank value */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00001971 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001972 MDIO_REG_BANK_COMBO_IEEE0,
1973 MDIO_COMBO_IEEE0_MII_CONTROL,
1974 &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001975
1976 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
1977 udelay(5);
1978 return 0;
1979 }
1980 }
1981
Yaniv Rosner6d870c32011-01-31 04:22:20 +00001982 netdev_err(bp->dev, "Warning: PHY was not initialized,"
1983 " Port %d\n",
1984 params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001985 DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
1986 return -EINVAL;
1987
1988}
1989
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001990static void bnx2x_set_swap_lanes(struct link_params *params,
1991 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001992{
1993 struct bnx2x *bp = params->bp;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00001994 /*
1995 * Each two bits represents a lane number:
1996 * No swap is 0123 => 0x1b no need to enable the swap
1997 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001998 u16 ser_lane, rx_lane_swap, tx_lane_swap;
1999
2000 ser_lane = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002001 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
2002 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002003 rx_lane_swap = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002004 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
2005 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002006 tx_lane_swap = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002007 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
2008 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002009
2010 if (rx_lane_swap != 0x1b) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002011 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002012 MDIO_REG_BANK_XGXS_BLOCK2,
2013 MDIO_XGXS_BLOCK2_RX_LN_SWAP,
2014 (rx_lane_swap |
2015 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
2016 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002017 } else {
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, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002021 }
2022
2023 if (tx_lane_swap != 0x1b) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002024 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002025 MDIO_REG_BANK_XGXS_BLOCK2,
2026 MDIO_XGXS_BLOCK2_TX_LN_SWAP,
2027 (tx_lane_swap |
2028 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002029 } else {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002030 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002031 MDIO_REG_BANK_XGXS_BLOCK2,
2032 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002033 }
2034}
2035
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002036static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
2037 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002038{
2039 struct bnx2x *bp = params->bp;
2040 u16 control2;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002041 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002042 MDIO_REG_BANK_SERDES_DIGITAL,
2043 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
2044 &control2);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002045 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02002046 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
2047 else
2048 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002049 DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
2050 phy->speed_cap_mask, control2);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002051 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002052 MDIO_REG_BANK_SERDES_DIGITAL,
2053 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
2054 control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002055
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002056 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002057 (phy->speed_cap_mask &
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02002058 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002059 DP(NETIF_MSG_LINK, "XGXS\n");
2060
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002061 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002062 MDIO_REG_BANK_10G_PARALLEL_DETECT,
2063 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
2064 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002065
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002066 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002067 MDIO_REG_BANK_10G_PARALLEL_DETECT,
2068 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
2069 &control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002070
2071
2072 control2 |=
2073 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
2074
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002075 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002076 MDIO_REG_BANK_10G_PARALLEL_DETECT,
2077 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
2078 control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002079
2080 /* Disable parallel detection of HiG */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002081 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002082 MDIO_REG_BANK_XGXS_BLOCK2,
2083 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
2084 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
2085 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002086 }
2087}
2088
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002089static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
2090 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002091 struct link_vars *vars,
2092 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002093{
2094 struct bnx2x *bp = params->bp;
2095 u16 reg_val;
2096
2097 /* CL37 Autoneg */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002098 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002099 MDIO_REG_BANK_COMBO_IEEE0,
2100 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002101
2102 /* CL37 Autoneg Enabled */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002103 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002104 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
2105 else /* CL37 Autoneg Disabled */
2106 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
2107 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
2108
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002109 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002110 MDIO_REG_BANK_COMBO_IEEE0,
2111 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002112
2113 /* Enable/Disable Autodetection */
2114
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002115 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002116 MDIO_REG_BANK_SERDES_DIGITAL,
2117 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002118 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
2119 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
2120 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002121 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002122 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
2123 else
2124 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
2125
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002126 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002127 MDIO_REG_BANK_SERDES_DIGITAL,
2128 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002129
2130 /* Enable TetonII and BAM autoneg */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002131 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002132 MDIO_REG_BANK_BAM_NEXT_PAGE,
2133 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002134 &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002135 if (vars->line_speed == SPEED_AUTO_NEG) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002136 /* Enable BAM aneg Mode and TetonII aneg Mode */
2137 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
2138 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
2139 } else {
2140 /* TetonII and BAM Autoneg Disabled */
2141 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
2142 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
2143 }
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002144 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002145 MDIO_REG_BANK_BAM_NEXT_PAGE,
2146 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
2147 reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002148
Eilon Greenstein239d6862009-08-12 08:23:04 +00002149 if (enable_cl73) {
2150 /* Enable Cl73 FSM status bits */
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_CL73_USERB0,
2153 MDIO_CL73_USERB0_CL73_UCTRL,
2154 0xe);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002155
2156 /* Enable BAM Station Manager*/
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002157 CL22_WR_OVER_CL45(bp, phy,
Eilon Greenstein239d6862009-08-12 08:23:04 +00002158 MDIO_REG_BANK_CL73_USERB0,
2159 MDIO_CL73_USERB0_CL73_BAM_CTRL1,
2160 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
2161 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
2162 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
2163
Yaniv Rosner7846e472009-11-05 19:18:07 +02002164 /* Advertise CL73 link speeds */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002165 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002166 MDIO_REG_BANK_CL73_IEEEB1,
2167 MDIO_CL73_IEEEB1_AN_ADV2,
2168 &reg_val);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002169 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02002170 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
2171 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002172 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02002173 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
2174 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
Eilon Greenstein239d6862009-08-12 08:23:04 +00002175
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002176 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002177 MDIO_REG_BANK_CL73_IEEEB1,
2178 MDIO_CL73_IEEEB1_AN_ADV2,
2179 reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002180
Eilon Greenstein239d6862009-08-12 08:23:04 +00002181 /* CL73 Autoneg Enabled */
2182 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
2183
2184 } else /* CL73 Autoneg Disabled */
2185 reg_val = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002186
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002187 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002188 MDIO_REG_BANK_CL73_IEEEB0,
2189 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002190}
2191
2192/* program SerDes, forced speed */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002193static void bnx2x_program_serdes(struct bnx2x_phy *phy,
2194 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002195 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002196{
2197 struct bnx2x *bp = params->bp;
2198 u16 reg_val;
2199
Eilon Greenstein57937202009-08-12 08:23:53 +00002200 /* program duplex, disable autoneg and sgmii*/
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002201 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002202 MDIO_REG_BANK_COMBO_IEEE0,
2203 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002204 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
Eilon Greenstein57937202009-08-12 08:23:53 +00002205 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
2206 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002207 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002208 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002209 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002210 MDIO_REG_BANK_COMBO_IEEE0,
2211 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002212
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002213 /*
2214 * program speed
2215 * - needed only if the speed is greater than 1G (2.5G or 10G)
2216 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002217 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002218 MDIO_REG_BANK_SERDES_DIGITAL,
2219 MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002220 /* clearing the speed value before setting the right speed */
2221 DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
2222
2223 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
2224 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
2225
2226 if (!((vars->line_speed == SPEED_1000) ||
2227 (vars->line_speed == SPEED_100) ||
2228 (vars->line_speed == SPEED_10))) {
2229
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002230 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
2231 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002232 if (vars->line_speed == SPEED_10000)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002233 reg_val |=
2234 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002235 if (vars->line_speed == SPEED_13000)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002236 reg_val |=
2237 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002238 }
2239
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002240 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002241 MDIO_REG_BANK_SERDES_DIGITAL,
2242 MDIO_SERDES_DIGITAL_MISC1, reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002243
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002244}
2245
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00002246static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
2247 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002248{
2249 struct bnx2x *bp = params->bp;
2250 u16 val = 0;
2251
2252 /* configure the 48 bits for BAM AN */
2253
2254 /* set extended capabilities */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002255 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002256 val |= MDIO_OVER_1G_UP1_2_5G;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002257 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002258 val |= MDIO_OVER_1G_UP1_10G;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002259 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002260 MDIO_REG_BANK_OVER_1G,
2261 MDIO_OVER_1G_UP1, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002262
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002263 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002264 MDIO_REG_BANK_OVER_1G,
2265 MDIO_OVER_1G_UP3, 0x400);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002266}
2267
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00002268static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
2269 struct link_params *params,
2270 u16 ieee_fc)
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002271{
2272 struct bnx2x *bp = params->bp;
Yaniv Rosner7846e472009-11-05 19:18:07 +02002273 u16 val;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002274 /* for AN, we are always publishing full duplex */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002275
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002276 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002277 MDIO_REG_BANK_COMBO_IEEE0,
2278 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002279 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002280 MDIO_REG_BANK_CL73_IEEEB1,
2281 MDIO_CL73_IEEEB1_AN_ADV1, &val);
Yaniv Rosner7846e472009-11-05 19:18:07 +02002282 val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
2283 val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002284 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002285 MDIO_REG_BANK_CL73_IEEEB1,
2286 MDIO_CL73_IEEEB1_AN_ADV1, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002287}
2288
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002289static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
2290 struct link_params *params,
2291 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002292{
2293 struct bnx2x *bp = params->bp;
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00002294 u16 mii_control;
Eilon Greenstein239d6862009-08-12 08:23:04 +00002295
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002296 DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00002297 /* Enable and restart BAM/CL37 aneg */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002298
Eilon Greenstein239d6862009-08-12 08:23:04 +00002299 if (enable_cl73) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002300 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002301 MDIO_REG_BANK_CL73_IEEEB0,
2302 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
2303 &mii_control);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002304
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002305 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002306 MDIO_REG_BANK_CL73_IEEEB0,
2307 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
2308 (mii_control |
2309 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
2310 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
Eilon Greenstein239d6862009-08-12 08:23:04 +00002311 } else {
2312
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002313 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002314 MDIO_REG_BANK_COMBO_IEEE0,
2315 MDIO_COMBO_IEEE0_MII_CONTROL,
2316 &mii_control);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002317 DP(NETIF_MSG_LINK,
2318 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
2319 mii_control);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002320 CL22_WR_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 |
2324 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
2325 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
Eilon Greenstein239d6862009-08-12 08:23:04 +00002326 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002327}
2328
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002329static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
2330 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002331 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002332{
2333 struct bnx2x *bp = params->bp;
2334 u16 control1;
2335
2336 /* in SGMII mode, the unicore is always slave */
2337
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002338 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002339 MDIO_REG_BANK_SERDES_DIGITAL,
2340 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
2341 &control1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002342 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
2343 /* set sgmii mode (and not fiber) */
2344 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
2345 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
2346 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002347 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002348 MDIO_REG_BANK_SERDES_DIGITAL,
2349 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
2350 control1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002351
2352 /* if forced speed */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002353 if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002354 /* set speed, disable autoneg */
2355 u16 mii_control;
2356
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002357 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002358 MDIO_REG_BANK_COMBO_IEEE0,
2359 MDIO_COMBO_IEEE0_MII_CONTROL,
2360 &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002361 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
2362 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
2363 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
2364
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002365 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002366 case SPEED_100:
2367 mii_control |=
2368 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
2369 break;
2370 case SPEED_1000:
2371 mii_control |=
2372 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
2373 break;
2374 case SPEED_10:
2375 /* there is nothing to set for 10M */
2376 break;
2377 default:
2378 /* invalid speed for SGMII */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002379 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2380 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002381 break;
2382 }
2383
2384 /* setting the full duplex */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002385 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002386 mii_control |=
2387 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002388 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002389 MDIO_REG_BANK_COMBO_IEEE0,
2390 MDIO_COMBO_IEEE0_MII_CONTROL,
2391 mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002392
2393 } else { /* AN mode */
2394 /* enable and restart AN */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002395 bnx2x_restart_autoneg(phy, params, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002396 }
2397}
2398
2399
2400/*
2401 * link management
2402 */
2403
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002404static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
2405 struct link_params *params)
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02002406{
2407 struct bnx2x *bp = params->bp;
2408 u16 pd_10g, status2_1000x;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002409 if (phy->req_line_speed != SPEED_AUTO_NEG)
2410 return 0;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002411 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002412 MDIO_REG_BANK_SERDES_DIGITAL,
2413 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
2414 &status2_1000x);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002415 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002416 MDIO_REG_BANK_SERDES_DIGITAL,
2417 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
2418 &status2_1000x);
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02002419 if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
2420 DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
2421 params->port);
2422 return 1;
2423 }
2424
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002425 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002426 MDIO_REG_BANK_10G_PARALLEL_DETECT,
2427 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
2428 &pd_10g);
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02002429
2430 if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
2431 DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
2432 params->port);
2433 return 1;
2434 }
2435 return 0;
2436}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002437
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002438static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
2439 struct link_params *params,
2440 struct link_vars *vars,
2441 u32 gp_status)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002442{
2443 struct bnx2x *bp = params->bp;
Eilon Greenstein3196a882008-08-13 15:58:49 -07002444 u16 ld_pause; /* local driver */
2445 u16 lp_pause; /* link partner */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002446 u16 pause_result;
2447
David S. Millerc0700f92008-12-16 23:53:20 -08002448 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002449
2450 /* resolve from gp_status in case of AN complete and not sgmii */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002451 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
2452 vars->flow_ctrl = phy->req_flow_ctrl;
2453 else if (phy->req_line_speed != SPEED_AUTO_NEG)
2454 vars->flow_ctrl = params->req_fc_auto_adv;
2455 else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
2456 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002457 if (bnx2x_direct_parallel_detect_used(phy, params)) {
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02002458 vars->flow_ctrl = params->req_fc_auto_adv;
2459 return;
2460 }
Yaniv Rosner7846e472009-11-05 19:18:07 +02002461 if ((gp_status &
2462 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
2463 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
2464 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
2465 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
2466
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002467 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002468 MDIO_REG_BANK_CL73_IEEEB1,
2469 MDIO_CL73_IEEEB1_AN_ADV1,
2470 &ld_pause);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002471 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002472 MDIO_REG_BANK_CL73_IEEEB1,
2473 MDIO_CL73_IEEEB1_AN_LP_ADV1,
2474 &lp_pause);
Yaniv Rosner7846e472009-11-05 19:18:07 +02002475 pause_result = (ld_pause &
2476 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
2477 >> 8;
2478 pause_result |= (lp_pause &
2479 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
2480 >> 10;
2481 DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
2482 pause_result);
2483 } else {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002484 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002485 MDIO_REG_BANK_COMBO_IEEE0,
2486 MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
2487 &ld_pause);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002488 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002489 MDIO_REG_BANK_COMBO_IEEE0,
2490 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
2491 &lp_pause);
Yaniv Rosner7846e472009-11-05 19:18:07 +02002492 pause_result = (ld_pause &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002493 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
Yaniv Rosner7846e472009-11-05 19:18:07 +02002494 pause_result |= (lp_pause &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002495 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
Yaniv Rosner7846e472009-11-05 19:18:07 +02002496 DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
2497 pause_result);
2498 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002499 bnx2x_pause_resolve(vars, pause_result);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002500 }
2501 DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
2502}
2503
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002504static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
2505 struct link_params *params)
Eilon Greenstein239d6862009-08-12 08:23:04 +00002506{
2507 struct bnx2x *bp = params->bp;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00002508 u16 rx_status, ustat_val, cl37_fsm_received;
Eilon Greenstein239d6862009-08-12 08:23:04 +00002509 DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
2510 /* Step 1: Make sure signal is detected */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002511 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002512 MDIO_REG_BANK_RX0,
2513 MDIO_RX0_RX_STATUS,
2514 &rx_status);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002515 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
2516 (MDIO_RX0_RX_STATUS_SIGDET)) {
2517 DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
2518 "rx_status(0x80b0) = 0x%x\n", rx_status);
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002519 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002520 MDIO_REG_BANK_CL73_IEEEB0,
2521 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
2522 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002523 return;
2524 }
2525 /* Step 2: Check CL73 state machine */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002526 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002527 MDIO_REG_BANK_CL73_USERB0,
2528 MDIO_CL73_USERB0_CL73_USTAT1,
2529 &ustat_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002530 if ((ustat_val &
2531 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
2532 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
2533 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
2534 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
2535 DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
2536 "ustat_val(0x8371) = 0x%x\n", ustat_val);
2537 return;
2538 }
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002539 /*
2540 * Step 3: Check CL37 Message Pages received to indicate LP
2541 * supports only CL37
2542 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002543 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002544 MDIO_REG_BANK_REMOTE_PHY,
2545 MDIO_REMOTE_PHY_MISC_RX_STATUS,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00002546 &cl37_fsm_received);
2547 if ((cl37_fsm_received &
Eilon Greenstein239d6862009-08-12 08:23:04 +00002548 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
2549 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
2550 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
2551 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
2552 DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
2553 "misc_rx_status(0x8330) = 0x%x\n",
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00002554 cl37_fsm_received);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002555 return;
2556 }
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002557 /*
2558 * The combined cl37/cl73 fsm state information indicating that
2559 * we are connected to a device which does not support cl73, but
2560 * does support cl37 BAM. In this case we disable cl73 and
2561 * restart cl37 auto-neg
2562 */
2563
Eilon Greenstein239d6862009-08-12 08:23:04 +00002564 /* Disable CL73 */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002565 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002566 MDIO_REG_BANK_CL73_IEEEB0,
2567 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
2568 0);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002569 /* Restart CL37 autoneg */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002570 bnx2x_restart_autoneg(phy, params, 0);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002571 DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
2572}
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002573
2574static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
2575 struct link_params *params,
2576 struct link_vars *vars,
2577 u32 gp_status)
2578{
2579 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
2580 vars->link_status |=
2581 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
2582
2583 if (bnx2x_direct_parallel_detect_used(phy, params))
2584 vars->link_status |=
2585 LINK_STATUS_PARALLEL_DETECTION_USED;
2586}
2587
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002588static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
2589 struct link_params *params,
2590 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002591{
2592 struct bnx2x *bp = params->bp;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002593 u16 new_line_speed, gp_status;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002594 int rc = 0;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002595
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002596 /* Read gp_status */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002597 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002598 MDIO_REG_BANK_GP_STATUS,
2599 MDIO_GP_STATUS_TOP_AN_STATUS1,
2600 &gp_status);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00002601
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002602 if (phy->req_line_speed == SPEED_AUTO_NEG)
2603 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002604 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
2605 DP(NETIF_MSG_LINK, "phy link up gp_status=0x%x\n",
2606 gp_status);
2607
2608 vars->phy_link_up = 1;
2609 vars->link_status |= LINK_STATUS_LINK_UP;
2610
2611 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
2612 vars->duplex = DUPLEX_FULL;
2613 else
2614 vars->duplex = DUPLEX_HALF;
2615
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002616 if (SINGLE_MEDIA_DIRECT(params)) {
2617 bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
2618 if (phy->req_line_speed == SPEED_AUTO_NEG)
2619 bnx2x_xgxs_an_resolve(phy, params, vars,
2620 gp_status);
2621 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002622
2623 switch (gp_status & GP_STATUS_SPEED_MASK) {
2624 case GP_STATUS_10M:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002625 new_line_speed = SPEED_10;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002626 if (vars->duplex == DUPLEX_FULL)
2627 vars->link_status |= LINK_10TFD;
2628 else
2629 vars->link_status |= LINK_10THD;
2630 break;
2631
2632 case GP_STATUS_100M:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002633 new_line_speed = SPEED_100;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002634 if (vars->duplex == DUPLEX_FULL)
2635 vars->link_status |= LINK_100TXFD;
2636 else
2637 vars->link_status |= LINK_100TXHD;
2638 break;
2639
2640 case GP_STATUS_1G:
2641 case GP_STATUS_1G_KX:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002642 new_line_speed = SPEED_1000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002643 if (vars->duplex == DUPLEX_FULL)
2644 vars->link_status |= LINK_1000TFD;
2645 else
2646 vars->link_status |= LINK_1000THD;
2647 break;
2648
2649 case GP_STATUS_2_5G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002650 new_line_speed = SPEED_2500;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002651 if (vars->duplex == DUPLEX_FULL)
2652 vars->link_status |= LINK_2500TFD;
2653 else
2654 vars->link_status |= LINK_2500THD;
2655 break;
2656
2657 case GP_STATUS_5G:
2658 case GP_STATUS_6G:
2659 DP(NETIF_MSG_LINK,
2660 "link speed unsupported gp_status 0x%x\n",
2661 gp_status);
2662 return -EINVAL;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002663
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002664 case GP_STATUS_10G_KX4:
2665 case GP_STATUS_10G_HIG:
2666 case GP_STATUS_10G_CX4:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002667 new_line_speed = SPEED_10000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002668 vars->link_status |= LINK_10GTFD;
2669 break;
2670
2671 case GP_STATUS_12G_HIG:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002672 new_line_speed = SPEED_12000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002673 vars->link_status |= LINK_12GTFD;
2674 break;
2675
2676 case GP_STATUS_12_5G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002677 new_line_speed = SPEED_12500;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002678 vars->link_status |= LINK_12_5GTFD;
2679 break;
2680
2681 case GP_STATUS_13G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002682 new_line_speed = SPEED_13000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002683 vars->link_status |= LINK_13GTFD;
2684 break;
2685
2686 case GP_STATUS_15G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002687 new_line_speed = SPEED_15000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002688 vars->link_status |= LINK_15GTFD;
2689 break;
2690
2691 case GP_STATUS_16G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002692 new_line_speed = SPEED_16000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002693 vars->link_status |= LINK_16GTFD;
2694 break;
2695
2696 default:
2697 DP(NETIF_MSG_LINK,
2698 "link speed unsupported gp_status 0x%x\n",
2699 gp_status);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002700 return -EINVAL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002701 }
2702
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002703 vars->line_speed = new_line_speed;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002704
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002705 } else { /* link_down */
2706 DP(NETIF_MSG_LINK, "phy link down\n");
2707
2708 vars->phy_link_up = 0;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002709
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002710 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08002711 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002712 vars->mac_type = MAC_TYPE_NONE;
Eilon Greenstein239d6862009-08-12 08:23:04 +00002713
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002714 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
2715 SINGLE_MEDIA_DIRECT(params)) {
Eilon Greenstein239d6862009-08-12 08:23:04 +00002716 /* Check signal is detected */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002717 bnx2x_check_fallback_to_cl37(phy, params);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002718 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002719 }
2720
Frans Pop2381a552010-03-24 07:57:36 +00002721 DP(NETIF_MSG_LINK, "gp_status 0x%x phy_link_up %x line_speed %x\n",
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002722 gp_status, vars->phy_link_up, vars->line_speed);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002723 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
2724 vars->duplex, vars->flow_ctrl, vars->link_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002725 return rc;
2726}
2727
Eilon Greensteined8680a2009-02-12 08:37:12 +00002728static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002729{
2730 struct bnx2x *bp = params->bp;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002731 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002732 u16 lp_up2;
2733 u16 tx_driver;
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00002734 u16 bank;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002735
2736 /* read precomp */
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002737 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002738 MDIO_REG_BANK_OVER_1G,
2739 MDIO_OVER_1G_LP_UP2, &lp_up2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002740
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002741 /* bits [10:7] at lp_up2, positioned at [15:12] */
2742 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
2743 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
2744 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
2745
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00002746 if (lp_up2 == 0)
2747 return;
2748
2749 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
2750 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002751 CL22_RD_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002752 bank,
2753 MDIO_TX0_TX_DRIVER, &tx_driver);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00002754
2755 /* replace tx_driver bits [15:12] */
2756 if (lp_up2 !=
2757 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
2758 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
2759 tx_driver |= lp_up2;
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002760 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002761 bank,
2762 MDIO_TX0_TX_DRIVER, tx_driver);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00002763 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002764 }
2765}
2766
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002767static int bnx2x_emac_program(struct link_params *params,
2768 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002769{
2770 struct bnx2x *bp = params->bp;
2771 u8 port = params->port;
2772 u16 mode = 0;
2773
2774 DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
2775 bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002776 EMAC_REG_EMAC_MODE,
2777 (EMAC_MODE_25G_MODE |
2778 EMAC_MODE_PORT_MII_10M |
2779 EMAC_MODE_HALF_DUPLEX));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002780 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002781 case SPEED_10:
2782 mode |= EMAC_MODE_PORT_MII_10M;
2783 break;
2784
2785 case SPEED_100:
2786 mode |= EMAC_MODE_PORT_MII;
2787 break;
2788
2789 case SPEED_1000:
2790 mode |= EMAC_MODE_PORT_GMII;
2791 break;
2792
2793 case SPEED_2500:
2794 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
2795 break;
2796
2797 default:
2798 /* 10G not valid for EMAC */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002799 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2800 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002801 return -EINVAL;
2802 }
2803
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002804 if (vars->duplex == DUPLEX_HALF)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002805 mode |= EMAC_MODE_HALF_DUPLEX;
2806 bnx2x_bits_en(bp,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002807 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
2808 mode);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002809
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00002810 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002811 return 0;
2812}
2813
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002814static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
2815 struct link_params *params)
2816{
2817
2818 u16 bank, i = 0;
2819 struct bnx2x *bp = params->bp;
2820
2821 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
2822 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002823 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002824 bank,
2825 MDIO_RX0_RX_EQ_BOOST,
2826 phy->rx_preemphasis[i]);
2827 }
2828
2829 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
2830 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
Yaniv Rosnercd2be892011-01-31 04:21:45 +00002831 CL22_WR_OVER_CL45(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002832 bank,
2833 MDIO_TX0_TX_DRIVER,
2834 phy->tx_preemphasis[i]);
2835 }
2836}
2837
2838static void bnx2x_init_internal_phy(struct bnx2x_phy *phy,
2839 struct link_params *params,
2840 struct link_vars *vars)
2841{
2842 struct bnx2x *bp = params->bp;
2843 u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
2844 (params->loopback_mode == LOOPBACK_XGXS));
2845 if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
2846 if (SINGLE_MEDIA_DIRECT(params) &&
2847 (params->feature_config_flags &
2848 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
2849 bnx2x_set_preemphasis(phy, params);
2850
2851 /* forced speed requested? */
2852 if (vars->line_speed != SPEED_AUTO_NEG ||
2853 (SINGLE_MEDIA_DIRECT(params) &&
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002854 params->loopback_mode == LOOPBACK_EXT)) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002855 DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
2856
2857 /* disable autoneg */
2858 bnx2x_set_autoneg(phy, params, vars, 0);
2859
2860 /* program speed and duplex */
2861 bnx2x_program_serdes(phy, params, vars);
2862
2863 } else { /* AN_mode */
2864 DP(NETIF_MSG_LINK, "not SGMII, AN\n");
2865
2866 /* AN enabled */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00002867 bnx2x_set_brcm_cl37_advertisement(phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002868
2869 /* program duplex & pause advertisement (for aneg) */
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00002870 bnx2x_set_ieee_aneg_advertisement(phy, params,
2871 vars->ieee_fc);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002872
2873 /* enable autoneg */
2874 bnx2x_set_autoneg(phy, params, vars, enable_cl73);
2875
2876 /* enable and restart AN */
2877 bnx2x_restart_autoneg(phy, params, enable_cl73);
2878 }
2879
2880 } else { /* SGMII mode */
2881 DP(NETIF_MSG_LINK, "SGMII\n");
2882
2883 bnx2x_initialize_sgmii_process(phy, params, vars);
2884 }
2885}
2886
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002887static int bnx2x_init_serdes(struct bnx2x_phy *phy,
2888 struct link_params *params,
2889 struct link_vars *vars)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002890{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002891 int rc;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002892 vars->phy_flags |= PHY_SGMII_FLAG;
2893 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002894 bnx2x_set_aer_mmd_serdes(params->bp, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002895 rc = bnx2x_reset_unicore(params, phy, 1);
2896 /* reset the SerDes and wait for reset bit return low */
2897 if (rc != 0)
2898 return rc;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002899 bnx2x_set_aer_mmd_serdes(params->bp, phy);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002900
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002901 return rc;
2902}
2903
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002904static int bnx2x_init_xgxs(struct bnx2x_phy *phy,
2905 struct link_params *params,
2906 struct link_vars *vars)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002907{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00002908 int rc;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002909 vars->phy_flags = PHY_XGXS_FLAG;
2910 if ((phy->req_line_speed &&
2911 ((phy->req_line_speed == SPEED_100) ||
2912 (phy->req_line_speed == SPEED_10))) ||
2913 (!phy->req_line_speed &&
2914 (phy->speed_cap_mask >=
2915 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
2916 (phy->speed_cap_mask <
2917 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
2918 ))
2919 vars->phy_flags |= PHY_SGMII_FLAG;
2920 else
2921 vars->phy_flags &= ~PHY_SGMII_FLAG;
2922
2923 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002924 bnx2x_set_aer_mmd_xgxs(params, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002925 bnx2x_set_master_ln(params, phy);
2926
2927 rc = bnx2x_reset_unicore(params, phy, 0);
2928 /* reset the SerDes and wait for reset bit return low */
2929 if (rc != 0)
2930 return rc;
2931
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002932 bnx2x_set_aer_mmd_xgxs(params, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002933
2934 /* setting the masterLn_def again after the reset */
2935 bnx2x_set_master_ln(params, phy);
2936 bnx2x_set_swap_lanes(params, phy);
2937
2938 return rc;
2939}
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002940
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002941static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
Yaniv Rosner6d870c32011-01-31 04:22:20 +00002942 struct bnx2x_phy *phy,
2943 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002944{
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002945 u16 cnt, ctrl;
Lucas De Marchi25985ed2011-03-30 22:57:33 -03002946 /* Wait for soft reset to get cleared up to 1 sec */
Yaniv Rosner62b29a52010-09-07 11:40:58 +00002947 for (cnt = 0; cnt < 1000; cnt++) {
2948 bnx2x_cl45_read(bp, phy,
2949 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, &ctrl);
2950 if (!(ctrl & (1<<15)))
2951 break;
2952 msleep(1);
2953 }
Yaniv Rosner6d870c32011-01-31 04:22:20 +00002954
2955 if (cnt == 1000)
2956 netdev_err(bp->dev, "Warning: PHY was not initialized,"
2957 " Port %d\n",
2958 params->port);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00002959 DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
2960 return cnt;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002961}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002962
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002963static void bnx2x_link_int_enable(struct link_params *params)
2964{
2965 u8 port = params->port;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002966 u32 mask;
2967 struct bnx2x *bp = params->bp;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002968
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00002969 /* Setting the status to report on link up for either XGXS or SerDes */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002970 if (params->switch_cfg == SWITCH_CFG_10G) {
2971 mask = (NIG_MASK_XGXS0_LINK10G |
2972 NIG_MASK_XGXS0_LINK_STATUS);
2973 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002974 if (!(SINGLE_MEDIA_DIRECT(params)) &&
2975 params->phy[INT_PHY].type !=
2976 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002977 mask |= NIG_MASK_MI_INT;
2978 DP(NETIF_MSG_LINK, "enabled external phy int\n");
2979 }
2980
2981 } else { /* SerDes */
2982 mask = NIG_MASK_SERDES0_LINK_STATUS;
2983 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002984 if (!(SINGLE_MEDIA_DIRECT(params)) &&
2985 params->phy[INT_PHY].type !=
2986 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002987 mask |= NIG_MASK_MI_INT;
2988 DP(NETIF_MSG_LINK, "enabled external phy int\n");
2989 }
2990 }
2991 bnx2x_bits_en(bp,
2992 NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
2993 mask);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002994
2995 DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002996 (params->switch_cfg == SWITCH_CFG_10G),
2997 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002998 DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
2999 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
3000 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
3001 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
3002 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
3003 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
3004 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
3005}
3006
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003007static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
3008 u8 exp_mi_int)
Eilon Greenstein2f904462009-08-12 08:22:16 +00003009{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003010 u32 latch_status = 0;
3011
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003012 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003013 * Disable the MI INT ( external phy int ) by writing 1 to the
3014 * status register. Link down indication is high-active-signal,
3015 * so in this case we need to write the status to clear the XOR
Eilon Greenstein2f904462009-08-12 08:22:16 +00003016 */
3017 /* Read Latched signals */
3018 latch_status = REG_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003019 NIG_REG_LATCH_STATUS_0 + port*8);
3020 DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
Eilon Greenstein2f904462009-08-12 08:22:16 +00003021 /* Handle only those with latched-signal=up.*/
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003022 if (exp_mi_int)
3023 bnx2x_bits_en(bp,
3024 NIG_REG_STATUS_INTERRUPT_PORT0
3025 + port*4,
3026 NIG_STATUS_EMAC0_MI_INT);
3027 else
3028 bnx2x_bits_dis(bp,
3029 NIG_REG_STATUS_INTERRUPT_PORT0
3030 + port*4,
3031 NIG_STATUS_EMAC0_MI_INT);
3032
Eilon Greenstein2f904462009-08-12 08:22:16 +00003033 if (latch_status & 1) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003034
Eilon Greenstein2f904462009-08-12 08:22:16 +00003035 /* For all latched-signal=up : Re-Arm Latch signals */
3036 REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003037 (latch_status & 0xfffe) | (latch_status & 1));
Eilon Greenstein2f904462009-08-12 08:22:16 +00003038 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003039 /* For all latched-signal=up,Write original_signal to status */
Eilon Greenstein2f904462009-08-12 08:22:16 +00003040}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003041
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003042static void bnx2x_link_int_ack(struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003043 struct link_vars *vars, u8 is_10g)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003044{
3045 struct bnx2x *bp = params->bp;
3046 u8 port = params->port;
3047
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003048 /*
3049 * First reset all status we assume only one line will be
3050 * change at a time
3051 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003052 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003053 (NIG_STATUS_XGXS0_LINK10G |
3054 NIG_STATUS_XGXS0_LINK_STATUS |
3055 NIG_STATUS_SERDES0_LINK_STATUS));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003056 if (vars->phy_link_up) {
3057 if (is_10g) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003058 /*
3059 * Disable the 10G link interrupt by writing 1 to the
3060 * status register
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003061 */
3062 DP(NETIF_MSG_LINK, "10G XGXS phy link up\n");
3063 bnx2x_bits_en(bp,
3064 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
3065 NIG_STATUS_XGXS0_LINK10G);
3066
3067 } else if (params->switch_cfg == SWITCH_CFG_10G) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003068 /*
3069 * Disable the link interrupt by writing 1 to the
3070 * relevant lane in the status register
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003071 */
3072 u32 ser_lane = ((params->lane_config &
3073 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3074 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3075
Eilon Greenstein2f904462009-08-12 08:22:16 +00003076 DP(NETIF_MSG_LINK, "%d speed XGXS phy link up\n",
3077 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003078 bnx2x_bits_en(bp,
3079 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
3080 ((1 << ser_lane) <<
3081 NIG_STATUS_XGXS0_LINK_STATUS_SIZE));
3082
3083 } else { /* SerDes */
3084 DP(NETIF_MSG_LINK, "SerDes phy link up\n");
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003085 /*
3086 * Disable the link interrupt by writing 1 to the status
3087 * register
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003088 */
3089 bnx2x_bits_en(bp,
3090 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
3091 NIG_STATUS_SERDES0_LINK_STATUS);
3092 }
3093
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003094 }
3095}
3096
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003097static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003098{
3099 u8 *str_ptr = str;
3100 u32 mask = 0xf0000000;
3101 u8 shift = 8*4;
3102 u8 digit;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003103 u8 remove_leading_zeros = 1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003104 if (*len < 10) {
Frederik Schwarzer025dfda2008-10-16 19:02:37 +02003105 /* Need more than 10chars for this format */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003106 *str_ptr = '\0';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003107 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003108 return -EINVAL;
3109 }
3110 while (shift > 0) {
3111
3112 shift -= 4;
3113 digit = ((num & mask) >> shift);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003114 if (digit == 0 && remove_leading_zeros) {
3115 mask = mask >> 4;
3116 continue;
3117 } else if (digit < 0xa)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003118 *str_ptr = digit + '0';
3119 else
3120 *str_ptr = digit - 0xa + 'a';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003121 remove_leading_zeros = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003122 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003123 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003124 mask = mask >> 4;
3125 if (shift == 4*4) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003126 *str_ptr = '.';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003127 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003128 (*len)--;
3129 remove_leading_zeros = 1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003130 }
3131 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003132 return 0;
3133}
3134
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003135
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003136static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003137{
3138 str[0] = '\0';
3139 (*len)--;
3140 return 0;
3141}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003142
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003143int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
3144 u8 *version, u16 len)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003145{
Julia Lawall0376d5b2009-07-19 05:26:35 +00003146 struct bnx2x *bp;
Eilon Greensteina35da8d2009-02-12 08:37:02 +00003147 u32 spirom_ver = 0;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003148 int status = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003149 u8 *ver_p = version;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003150 u16 remain_len = len;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003151 if (version == NULL || params == NULL)
3152 return -EINVAL;
Julia Lawall0376d5b2009-07-19 05:26:35 +00003153 bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003154
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003155 /* Extract first external phy*/
3156 version[0] = '\0';
3157 spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
Eilon Greensteina35da8d2009-02-12 08:37:02 +00003158
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003159 if (params->phy[EXT_PHY1].format_fw_ver) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003160 status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
3161 ver_p,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003162 &remain_len);
3163 ver_p += (len - remain_len);
3164 }
3165 if ((params->num_phys == MAX_PHYS) &&
3166 (params->phy[EXT_PHY2].ver_addr != 0)) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003167 spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003168 if (params->phy[EXT_PHY2].format_fw_ver) {
3169 *ver_p = '/';
3170 ver_p++;
3171 remain_len--;
3172 status |= params->phy[EXT_PHY2].format_fw_ver(
3173 spirom_ver,
3174 ver_p,
3175 &remain_len);
3176 ver_p = version + (len - remain_len);
3177 }
3178 }
3179 *ver_p = '\0';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003180 return status;
3181}
3182
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003183static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
Yaniv Rosner62b29a52010-09-07 11:40:58 +00003184 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003185{
3186 u8 port = params->port;
3187 struct bnx2x *bp = params->bp;
3188
Yaniv Rosner62b29a52010-09-07 11:40:58 +00003189 if (phy->req_line_speed != SPEED_1000) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07003190 u32 md_devad;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003191
3192 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
3193
3194 /* change the uni_phy_addr in the nig */
3195 md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003196 port*0x18));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003197
3198 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5);
3199
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003200 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003201 5,
3202 (MDIO_REG_BANK_AER_BLOCK +
3203 (MDIO_AER_BLOCK_AER_REG & 0xf)),
3204 0x2800);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003205
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003206 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003207 5,
3208 (MDIO_REG_BANK_CL73_IEEEB0 +
3209 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
3210 0x6041);
Eilon Greenstein38582762009-01-14 06:44:16 +00003211 msleep(200);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003212 /* set aer mmd back */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003213 bnx2x_set_aer_mmd_xgxs(params, phy);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003214
3215 /* and md_devad */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003216 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, md_devad);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003217 } else {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003218 u16 mii_ctrl;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003219 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003220 bnx2x_cl45_read(bp, phy, 5,
3221 (MDIO_REG_BANK_COMBO_IEEE0 +
3222 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
3223 &mii_ctrl);
3224 bnx2x_cl45_write(bp, phy, 5,
3225 (MDIO_REG_BANK_COMBO_IEEE0 +
3226 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
3227 mii_ctrl |
3228 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003229 }
3230}
3231
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003232int bnx2x_set_led(struct link_params *params,
3233 struct link_vars *vars, u8 mode, u32 speed)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003234{
Yaniv Rosner7846e472009-11-05 19:18:07 +02003235 u8 port = params->port;
3236 u16 hw_led_mode = params->hw_led_mode;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003237 int rc = 0;
3238 u8 phy_idx;
Eilon Greenstein345b5d52008-08-13 15:58:12 -07003239 u32 tmp;
3240 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Yaniv Rosner7846e472009-11-05 19:18:07 +02003241 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003242 DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
3243 DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
3244 speed, hw_led_mode);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003245 /* In case */
3246 for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
3247 if (params->phy[phy_idx].set_link_led) {
3248 params->phy[phy_idx].set_link_led(
3249 &params->phy[phy_idx], params, mode);
3250 }
3251 }
3252
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003253 switch (mode) {
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003254 case LED_MODE_FRONT_PANEL_OFF:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003255 case LED_MODE_OFF:
3256 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
3257 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003258 SHARED_HW_CFG_LED_MAC1);
Eilon Greenstein345b5d52008-08-13 15:58:12 -07003259
3260 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Eilon Greenstein3196a882008-08-13 15:58:49 -07003261 EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003262 break;
3263
3264 case LED_MODE_OPER:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003265 /*
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003266 * For all other phys, OPER mode is same as ON, so in case
3267 * link is down, do nothing
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003268 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003269 if (!vars->link_up)
3270 break;
3271 case LED_MODE_ON:
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00003272 if (((params->phy[EXT_PHY1].type ==
3273 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
3274 (params->phy[EXT_PHY1].type ==
3275 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
Yaniv Rosner1f483532011-01-18 04:33:31 +00003276 CHIP_IS_E2(bp) && params->num_phys == 2) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003277 /*
3278 * This is a work-around for E2+8727 Configurations
3279 */
Yaniv Rosner1f483532011-01-18 04:33:31 +00003280 if (mode == LED_MODE_ON ||
3281 speed == SPEED_10000){
3282 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
3283 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
3284
3285 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
3286 EMAC_WR(bp, EMAC_REG_EMAC_LED,
3287 (tmp | EMAC_LED_OVERRIDE));
3288 return rc;
3289 }
3290 } else if (SINGLE_MEDIA_DIRECT(params)) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003291 /*
3292 * This is a work-around for HW issue found when link
3293 * is up in CL73
3294 */
Yaniv Rosner7846e472009-11-05 19:18:07 +02003295 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
3296 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
3297 } else {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003298 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
Yaniv Rosner7846e472009-11-05 19:18:07 +02003299 }
3300
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003301 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003302 /* Set blinking rate to ~15.9Hz */
3303 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003304 LED_BLINK_RATE_VAL);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003305 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003306 port*4, 1);
Eilon Greenstein345b5d52008-08-13 15:58:12 -07003307 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003308 EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
Eilon Greenstein345b5d52008-08-13 15:58:12 -07003309
Yaniv Rosner7846e472009-11-05 19:18:07 +02003310 if (CHIP_IS_E1(bp) &&
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003311 ((speed == SPEED_2500) ||
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003312 (speed == SPEED_1000) ||
3313 (speed == SPEED_100) ||
3314 (speed == SPEED_10))) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003315 /*
3316 * On Everest 1 Ax chip versions for speeds less than
3317 * 10G LED scheme is different
3318 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003319 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003320 + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003321 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003322 port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003323 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003324 port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003325 }
3326 break;
3327
3328 default:
3329 rc = -EINVAL;
3330 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
3331 mode);
3332 break;
3333 }
3334 return rc;
3335
3336}
3337
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003338/*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003339 * This function comes to reflect the actual link state read DIRECTLY from the
3340 * HW
3341 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003342int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
3343 u8 is_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003344{
3345 struct bnx2x *bp = params->bp;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003346 u16 gp_status = 0, phy_index = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003347 u8 ext_phy_link_up = 0, serdes_phy_type;
3348 struct link_vars temp_vars;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003349
Yaniv Rosnercd2be892011-01-31 04:21:45 +00003350 CL22_RD_OVER_CL45(bp, &params->phy[INT_PHY],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003351 MDIO_REG_BANK_GP_STATUS,
3352 MDIO_GP_STATUS_TOP_AN_STATUS1,
3353 &gp_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003354 /* link is up only if both local phy and external phy are up */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003355 if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
3356 return -ESRCH;
3357
3358 switch (params->num_phys) {
3359 case 1:
3360 /* No external PHY */
3361 return 0;
3362 case 2:
3363 ext_phy_link_up = params->phy[EXT_PHY1].read_status(
3364 &params->phy[EXT_PHY1],
3365 params, &temp_vars);
3366 break;
3367 case 3: /* Dual Media */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003368 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
3369 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003370 serdes_phy_type = ((params->phy[phy_index].media_type ==
3371 ETH_PHY_SFP_FIBER) ||
3372 (params->phy[phy_index].media_type ==
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00003373 ETH_PHY_XFP_FIBER) ||
3374 (params->phy[phy_index].media_type ==
3375 ETH_PHY_DA_TWINAX));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003376
3377 if (is_serdes != serdes_phy_type)
3378 continue;
3379 if (params->phy[phy_index].read_status) {
3380 ext_phy_link_up |=
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003381 params->phy[phy_index].read_status(
3382 &params->phy[phy_index],
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003383 params, &temp_vars);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003384 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003385 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003386 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003387 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003388 if (ext_phy_link_up)
3389 return 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003390 return -ESRCH;
3391}
3392
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003393static int bnx2x_link_initialize(struct link_params *params,
3394 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003395{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003396 int rc = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003397 u8 phy_index, non_ext_phy;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003398 struct bnx2x *bp = params->bp;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003399 /*
3400 * In case of external phy existence, the line speed would be the
3401 * line speed linked up by the external phy. In case it is direct
3402 * only, then the line_speed during initialization will be
3403 * equal to the req_line_speed
3404 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003405 vars->line_speed = params->phy[INT_PHY].req_line_speed;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003406
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003407 /*
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003408 * Initialize the internal phy in case this is a direct board
3409 * (no external phys), or this board has external phy which requires
3410 * to first.
3411 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003412
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003413 if (params->phy[INT_PHY].config_init)
3414 params->phy[INT_PHY].config_init(
3415 &params->phy[INT_PHY],
3416 params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003417
3418 /* init ext phy and enable link state int */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003419 non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003420 (params->loopback_mode == LOOPBACK_XGXS));
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003421
3422 if (non_ext_phy ||
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003423 (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
Eilon Greenstein8660d8c2009-03-02 08:01:02 +00003424 (params->loopback_mode == LOOPBACK_EXT_PHY)) {
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003425 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003426 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003427 bnx2x_set_parallel_detection(phy, params);
3428 bnx2x_init_internal_phy(phy, params, vars);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003429 }
3430
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003431 /* Init external phy*/
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003432 if (!non_ext_phy)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003433 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
3434 phy_index++) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003435 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003436 * No need to initialize second phy in case of first
3437 * phy only selection. In case of second phy, we do
3438 * need to initialize the first phy, since they are
3439 * connected.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003440 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003441 if (phy_index == EXT_PHY2 &&
3442 (bnx2x_phy_selection(params) ==
3443 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003444 DP(NETIF_MSG_LINK, "Not initializing"
3445 " second phy\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003446 continue;
3447 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003448 params->phy[phy_index].config_init(
3449 &params->phy[phy_index],
3450 params, vars);
3451 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003452
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003453 /* Reset the interrupt indication after phy was initialized */
3454 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
3455 params->port*4,
3456 (NIG_STATUS_XGXS0_LINK10G |
3457 NIG_STATUS_XGXS0_LINK_STATUS |
3458 NIG_STATUS_SERDES0_LINK_STATUS |
3459 NIG_MASK_MI_INT));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003460 return rc;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003461}
3462
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003463static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
3464 struct link_params *params)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003465{
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003466 /* reset the SerDes/XGXS */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003467 REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
3468 (0x1ff << (params->port*16)));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003469}
3470
3471static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
3472 struct link_params *params)
3473{
3474 struct bnx2x *bp = params->bp;
3475 u8 gpio_port;
3476 /* HW reset */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003477 if (CHIP_IS_E2(bp))
3478 gpio_port = BP_PATH(bp);
3479 else
3480 gpio_port = params->port;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003481 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003482 MISC_REGISTERS_GPIO_OUTPUT_LOW,
3483 gpio_port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003484 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003485 MISC_REGISTERS_GPIO_OUTPUT_LOW,
3486 gpio_port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003487 DP(NETIF_MSG_LINK, "reset external PHY\n");
3488}
3489
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003490static int bnx2x_update_link_down(struct link_params *params,
3491 struct link_vars *vars)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003492{
3493 struct bnx2x *bp = params->bp;
3494 u8 port = params->port;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003495
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003496 DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003497 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003498
3499 /* indicate no mac active */
3500 vars->mac_type = MAC_TYPE_NONE;
3501
3502 /* update shared memory */
3503 vars->link_status = 0;
3504 vars->line_speed = 0;
3505 bnx2x_update_mng(params, vars->link_status);
3506
3507 /* activate nig drain */
3508 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
3509
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00003510 /* disable emac */
3511 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
3512
3513 msleep(10);
3514
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003515 /* reset BigMac */
3516 bnx2x_bmac_rx_disable(bp, params->port);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003517 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
3518 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003519 return 0;
3520}
3521
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003522static int bnx2x_update_link_up(struct link_params *params,
3523 struct link_vars *vars,
3524 u8 link_10g)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003525{
3526 struct bnx2x *bp = params->bp;
3527 u8 port = params->port;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003528 int rc = 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003529
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003530 vars->link_status |= LINK_STATUS_LINK_UP;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003531
Yaniv Rosner7aa07112010-09-07 11:41:01 +00003532 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
3533 vars->link_status |=
3534 LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
3535
3536 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
3537 vars->link_status |=
3538 LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003539
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003540 if (link_10g) {
3541 bnx2x_bmac_enable(params, vars, 0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003542 bnx2x_set_led(params, vars,
3543 LED_MODE_OPER, SPEED_10000);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003544 } else {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003545 rc = bnx2x_emac_program(params, vars);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003546
Yaniv Rosner0c786f02009-11-05 19:18:32 +02003547 bnx2x_emac_enable(params, vars, 0);
3548
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003549 /* AN complete? */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003550 if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
3551 && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
3552 SINGLE_MEDIA_DIRECT(params))
3553 bnx2x_set_gmii_tx_driver(params);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003554 }
3555
3556 /* PBF - link up */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003557 if (!(CHIP_IS_E2(bp)))
3558 rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
3559 vars->line_speed);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003560
3561 /* disable drain */
3562 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
3563
3564 /* update shared memory */
3565 bnx2x_update_mng(params, vars->link_status);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00003566 msleep(20);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003567 return rc;
3568}
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003569/*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003570 * The bnx2x_link_update function should be called upon link
3571 * interrupt.
3572 * Link is considered up as follows:
3573 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
3574 * to be up
3575 * - SINGLE_MEDIA - The link between the 577xx and the external
3576 * phy (XGXS) need to up as well as the external link of the
3577 * phy (PHY_EXT1)
3578 * - DUAL_MEDIA - The link between the 577xx and the first
3579 * external phy needs to be up, and at least one of the 2
3580 * external phy link must be up.
Yaniv Rosner62b29a52010-09-07 11:40:58 +00003581 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003582int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003583{
3584 struct bnx2x *bp = params->bp;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003585 struct link_vars phy_vars[MAX_PHYS];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003586 u8 port = params->port;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003587 u8 link_10g, phy_index;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003588 u8 ext_phy_link_up = 0, cur_link_up;
3589 int rc = 0;
Eilon Greenstein2f904462009-08-12 08:22:16 +00003590 u8 is_mi_int = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003591 u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
3592 u8 active_external_phy = INT_PHY;
3593 vars->link_status = 0;
3594 for (phy_index = INT_PHY; phy_index < params->num_phys;
3595 phy_index++) {
3596 phy_vars[phy_index].flow_ctrl = 0;
3597 phy_vars[phy_index].link_status = 0;
3598 phy_vars[phy_index].line_speed = 0;
3599 phy_vars[phy_index].duplex = DUPLEX_FULL;
3600 phy_vars[phy_index].phy_link_up = 0;
3601 phy_vars[phy_index].link_up = 0;
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00003602 phy_vars[phy_index].fault_detected = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003603 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003604
3605 DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00003606 port, (vars->phy_flags & PHY_XGXS_FLAG),
3607 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003608
Eilon Greenstein2f904462009-08-12 08:22:16 +00003609 is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003610 port*0x18) > 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003611 DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00003612 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
3613 is_mi_int,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003614 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003615
3616 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
3617 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
3618 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
3619
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00003620 /* disable emac */
3621 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
3622
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003623 /*
3624 * Step 1:
3625 * Check external link change only for external phys, and apply
3626 * priority selection between them in case the link on both phys
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003627 * is up. Note that instead of the common vars, a temporary
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003628 * vars argument is used since each phy may have different link/
3629 * speed/duplex result
3630 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003631 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
3632 phy_index++) {
3633 struct bnx2x_phy *phy = &params->phy[phy_index];
3634 if (!phy->read_status)
3635 continue;
3636 /* Read link status and params of this ext phy */
3637 cur_link_up = phy->read_status(phy, params,
3638 &phy_vars[phy_index]);
3639 if (cur_link_up) {
3640 DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
3641 phy_index);
3642 } else {
3643 DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
3644 phy_index);
3645 continue;
3646 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003647
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003648 if (!ext_phy_link_up) {
3649 ext_phy_link_up = 1;
3650 active_external_phy = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003651 } else {
3652 switch (bnx2x_phy_selection(params)) {
3653 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
3654 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003655 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003656 * In this option, the first PHY makes sure to pass the
3657 * traffic through itself only.
3658 * Its not clear how to reset the link on the second phy
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003659 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003660 active_external_phy = EXT_PHY1;
3661 break;
3662 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003663 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003664 * In this option, the first PHY makes sure to pass the
3665 * traffic through the second PHY.
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003666 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003667 active_external_phy = EXT_PHY2;
3668 break;
3669 default:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003670 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003671 * Link indication on both PHYs with the following cases
3672 * is invalid:
3673 * - FIRST_PHY means that second phy wasn't initialized,
3674 * hence its link is expected to be down
3675 * - SECOND_PHY means that first phy should not be able
3676 * to link up by itself (using configuration)
3677 * - DEFAULT should be overriden during initialiazation
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003678 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003679 DP(NETIF_MSG_LINK, "Invalid link indication"
3680 "mpc=0x%x. DISABLING LINK !!!\n",
3681 params->multi_phy_config);
3682 ext_phy_link_up = 0;
3683 break;
3684 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003685 }
3686 }
3687 prev_line_speed = vars->line_speed;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003688 /*
3689 * Step 2:
3690 * Read the status of the internal phy. In case of
3691 * DIRECT_SINGLE_MEDIA board, this link is the external link,
3692 * otherwise this is the link between the 577xx and the first
3693 * external phy
3694 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003695 if (params->phy[INT_PHY].read_status)
3696 params->phy[INT_PHY].read_status(
3697 &params->phy[INT_PHY],
3698 params, vars);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003699 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003700 * The INT_PHY flow control reside in the vars. This include the
3701 * case where the speed or flow control are not set to AUTO.
3702 * Otherwise, the active external phy flow control result is set
3703 * to the vars. The ext_phy_line_speed is needed to check if the
3704 * speed is different between the internal phy and external phy.
3705 * This case may be result of intermediate link speed change.
3706 */
3707 if (active_external_phy > INT_PHY) {
3708 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003709 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003710 * Link speed is taken from the XGXS. AN and FC result from
3711 * the external phy.
3712 */
3713 vars->link_status |= phy_vars[active_external_phy].link_status;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003714
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003715 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003716 * if active_external_phy is first PHY and link is up - disable
3717 * disable TX on second external PHY
3718 */
3719 if (active_external_phy == EXT_PHY1) {
3720 if (params->phy[EXT_PHY2].phy_specific_func) {
3721 DP(NETIF_MSG_LINK, "Disabling TX on"
3722 " EXT_PHY2\n");
3723 params->phy[EXT_PHY2].phy_specific_func(
3724 &params->phy[EXT_PHY2],
3725 params, DISABLE_TX);
3726 }
3727 }
3728
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003729 ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
3730 vars->duplex = phy_vars[active_external_phy].duplex;
3731 if (params->phy[active_external_phy].supported &
3732 SUPPORTED_FIBRE)
3733 vars->link_status |= LINK_STATUS_SERDES_LINK;
3734 DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
3735 active_external_phy);
3736 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003737
3738 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
3739 phy_index++) {
3740 if (params->phy[phy_index].flags &
3741 FLAGS_REARM_LATCH_SIGNAL) {
3742 bnx2x_rearm_latch_signal(bp, port,
3743 phy_index ==
3744 active_external_phy);
3745 break;
3746 }
3747 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003748 DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
3749 " ext_phy_line_speed = %d\n", vars->flow_ctrl,
3750 vars->link_status, ext_phy_line_speed);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003751 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003752 * Upon link speed change set the NIG into drain mode. Comes to
3753 * deals with possible FIFO glitch due to clk change when speed
3754 * is decreased without link down indicator
3755 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003756
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003757 if (vars->phy_link_up) {
3758 if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
3759 (ext_phy_line_speed != vars->line_speed)) {
3760 DP(NETIF_MSG_LINK, "Internal link speed %d is"
3761 " different than the external"
3762 " link speed %d\n", vars->line_speed,
3763 ext_phy_line_speed);
3764 vars->phy_link_up = 0;
3765 } else if (prev_line_speed != vars->line_speed) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003766 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
3767 0);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003768 msleep(1);
3769 }
3770 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003771
3772 /* anything 10 and over uses the bmac */
3773 link_10g = ((vars->line_speed == SPEED_10000) ||
3774 (vars->line_speed == SPEED_12000) ||
3775 (vars->line_speed == SPEED_12500) ||
3776 (vars->line_speed == SPEED_13000) ||
3777 (vars->line_speed == SPEED_15000) ||
3778 (vars->line_speed == SPEED_16000));
3779
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003780 bnx2x_link_int_ack(params, vars, link_10g);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003781
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003782 /*
3783 * In case external phy link is up, and internal link is down
3784 * (not initialized yet probably after link initialization, it
3785 * needs to be initialized.
3786 * Note that after link down-up as result of cable plug, the xgxs
3787 * link would probably become up again without the need
3788 * initialize it
3789 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003790 if (!(SINGLE_MEDIA_DIRECT(params))) {
3791 DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
3792 " init_preceding = %d\n", ext_phy_link_up,
3793 vars->phy_link_up,
3794 params->phy[EXT_PHY1].flags &
3795 FLAGS_INIT_XGXS_FIRST);
3796 if (!(params->phy[EXT_PHY1].flags &
3797 FLAGS_INIT_XGXS_FIRST)
3798 && ext_phy_link_up && !vars->phy_link_up) {
3799 vars->line_speed = ext_phy_line_speed;
3800 if (vars->line_speed < SPEED_1000)
3801 vars->phy_flags |= PHY_SGMII_FLAG;
3802 else
3803 vars->phy_flags &= ~PHY_SGMII_FLAG;
3804 bnx2x_init_internal_phy(&params->phy[INT_PHY],
3805 params,
3806 vars);
3807 }
3808 }
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00003809 /*
3810 * Link is up only if both local phy and external phy (in case of
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00003811 * non-direct board) are up and no fault detected on active PHY.
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003812 */
3813 vars->link_up = (vars->phy_link_up &&
3814 (ext_phy_link_up ||
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00003815 SINGLE_MEDIA_DIRECT(params)) &&
3816 (phy_vars[active_external_phy].fault_detected == 0));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003817
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003818 if (vars->link_up)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003819 rc = bnx2x_update_link_up(params, vars, link_10g);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003820 else
3821 rc = bnx2x_update_link_down(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003822
3823 return rc;
3824}
3825
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003826
3827/*****************************************************************************/
3828/* External Phy section */
3829/*****************************************************************************/
3830void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003831{
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003832 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003833 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003834 msleep(1);
3835 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003836 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003837}
3838
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003839static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
3840 u32 spirom_ver, u32 ver_addr)
3841{
3842 DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
3843 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
3844
3845 if (ver_addr)
3846 REG_WR(bp, ver_addr, spirom_ver);
3847}
3848
3849static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
3850 struct bnx2x_phy *phy,
3851 u8 port)
3852{
3853 u16 fw_ver1, fw_ver2;
3854
3855 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003856 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003857 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003858 MDIO_PMA_REG_ROM_VER2, &fw_ver2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003859 bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
3860 phy->ver_addr);
3861}
3862
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003863static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
3864 struct bnx2x_phy *phy,
3865 struct link_vars *vars)
3866{
3867 u16 val;
3868 bnx2x_cl45_read(bp, phy,
3869 MDIO_AN_DEVAD,
3870 MDIO_AN_REG_STATUS, &val);
3871 bnx2x_cl45_read(bp, phy,
3872 MDIO_AN_DEVAD,
3873 MDIO_AN_REG_STATUS, &val);
3874 if (val & (1<<5))
3875 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
3876 if ((val & (1<<0)) == 0)
3877 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
3878}
3879
3880/******************************************************************/
3881/* common BCM8073/BCM8727 PHY SECTION */
3882/******************************************************************/
3883static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
3884 struct link_params *params,
3885 struct link_vars *vars)
3886{
3887 struct bnx2x *bp = params->bp;
3888 if (phy->req_line_speed == SPEED_10 ||
3889 phy->req_line_speed == SPEED_100) {
3890 vars->flow_ctrl = phy->req_flow_ctrl;
3891 return;
3892 }
3893
3894 if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
3895 (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
3896 u16 pause_result;
3897 u16 ld_pause; /* local */
3898 u16 lp_pause; /* link partner */
3899 bnx2x_cl45_read(bp, phy,
3900 MDIO_AN_DEVAD,
3901 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3902
3903 bnx2x_cl45_read(bp, phy,
3904 MDIO_AN_DEVAD,
3905 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3906 pause_result = (ld_pause &
3907 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
3908 pause_result |= (lp_pause &
3909 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
3910
3911 bnx2x_pause_resolve(vars, pause_result);
3912 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
3913 pause_result);
3914 }
3915}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003916static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
3917 struct bnx2x_phy *phy,
3918 u8 port)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003919{
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00003920 u32 count = 0;
3921 u16 fw_ver1, fw_msgout;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003922 int rc = 0;
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00003923
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003924 /* Boot port from external ROM */
3925 /* EDC grst */
3926 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003927 MDIO_PMA_DEVAD,
3928 MDIO_PMA_REG_GEN_CTRL,
3929 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003930
3931 /* ucode reboot and rst */
3932 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003933 MDIO_PMA_DEVAD,
3934 MDIO_PMA_REG_GEN_CTRL,
3935 0x008c);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003936
3937 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003938 MDIO_PMA_DEVAD,
3939 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003940
3941 /* Reset internal microprocessor */
3942 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003943 MDIO_PMA_DEVAD,
3944 MDIO_PMA_REG_GEN_CTRL,
3945 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003946
3947 /* Release srst bit */
3948 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003949 MDIO_PMA_DEVAD,
3950 MDIO_PMA_REG_GEN_CTRL,
3951 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003952
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00003953 /* Delay 100ms per the PHY specifications */
3954 msleep(100);
3955
3956 /* 8073 sometimes taking longer to download */
3957 do {
3958 count++;
3959 if (count > 300) {
3960 DP(NETIF_MSG_LINK,
3961 "bnx2x_8073_8727_external_rom_boot port %x:"
3962 "Download failed. fw version = 0x%x\n",
3963 port, fw_ver1);
3964 rc = -EINVAL;
3965 break;
3966 }
3967
3968 bnx2x_cl45_read(bp, phy,
3969 MDIO_PMA_DEVAD,
3970 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
3971 bnx2x_cl45_read(bp, phy,
3972 MDIO_PMA_DEVAD,
3973 MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
3974
3975 msleep(1);
3976 } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
3977 ((fw_msgout & 0xff) != 0x03 && (phy->type ==
3978 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003979
3980 /* Clear ser_boot_ctl bit */
3981 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003982 MDIO_PMA_DEVAD,
3983 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003984 bnx2x_save_bcm_spirom_ver(bp, phy, port);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00003985
3986 DP(NETIF_MSG_LINK,
3987 "bnx2x_8073_8727_external_rom_boot port %x:"
3988 "Download complete. fw version = 0x%x\n",
3989 port, fw_ver1);
3990
3991 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003992}
3993
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003994/******************************************************************/
3995/* BCM8073 PHY SECTION */
3996/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00003997static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003998{
3999 /* This is only required for 8073A1, version 102 only */
4000 u16 val;
4001
4002 /* Read 8073 HW revision*/
4003 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004004 MDIO_PMA_DEVAD,
4005 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004006
4007 if (val != 1) {
4008 /* No need to workaround in 8073 A1 */
4009 return 0;
4010 }
4011
4012 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004013 MDIO_PMA_DEVAD,
4014 MDIO_PMA_REG_ROM_VER2, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004015
4016 /* SNR should be applied only for version 0x102 */
4017 if (val != 0x102)
4018 return 0;
4019
4020 return 1;
4021}
4022
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004023static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004024{
4025 u16 val, cnt, cnt1 ;
4026
4027 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004028 MDIO_PMA_DEVAD,
4029 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004030
4031 if (val > 0) {
4032 /* No need to workaround in 8073 A1 */
4033 return 0;
4034 }
4035 /* XAUI workaround in 8073 A0: */
4036
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004037 /*
4038 * After loading the boot ROM and restarting Autoneg, poll
4039 * Dev1, Reg $C820:
4040 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004041
4042 for (cnt = 0; cnt < 1000; cnt++) {
4043 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004044 MDIO_PMA_DEVAD,
4045 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
4046 &val);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004047 /*
4048 * If bit [14] = 0 or bit [13] = 0, continue on with
4049 * system initialization (XAUI work-around not required, as
4050 * these bits indicate 2.5G or 1G link up).
4051 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004052 if (!(val & (1<<14)) || !(val & (1<<13))) {
4053 DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
4054 return 0;
4055 } else if (!(val & (1<<15))) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004056 DP(NETIF_MSG_LINK, "bit 15 went off\n");
4057 /*
4058 * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
4059 * MSB (bit15) goes to 1 (indicating that the XAUI
4060 * workaround has completed), then continue on with
4061 * system initialization.
4062 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004063 for (cnt1 = 0; cnt1 < 1000; cnt1++) {
4064 bnx2x_cl45_read(bp, phy,
4065 MDIO_PMA_DEVAD,
4066 MDIO_PMA_REG_8073_XAUI_WA, &val);
4067 if (val & (1<<15)) {
4068 DP(NETIF_MSG_LINK,
4069 "XAUI workaround has completed\n");
4070 return 0;
4071 }
4072 msleep(3);
4073 }
4074 break;
4075 }
4076 msleep(3);
4077 }
4078 DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
4079 return -EINVAL;
4080}
4081
4082static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
4083{
4084 /* Force KR or KX */
4085 bnx2x_cl45_write(bp, phy,
4086 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
4087 bnx2x_cl45_write(bp, phy,
4088 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
4089 bnx2x_cl45_write(bp, phy,
4090 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
4091 bnx2x_cl45_write(bp, phy,
4092 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
4093}
4094
4095static void bnx2x_8073_set_pause_cl37(struct link_params *params,
4096 struct bnx2x_phy *phy,
4097 struct link_vars *vars)
4098{
4099 u16 cl37_val;
4100 struct bnx2x *bp = params->bp;
4101 bnx2x_cl45_read(bp, phy,
4102 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
4103
4104 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
4105 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
4106 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
4107 if ((vars->ieee_fc &
4108 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
4109 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
4110 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
4111 }
4112 if ((vars->ieee_fc &
4113 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
4114 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
4115 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
4116 }
4117 if ((vars->ieee_fc &
4118 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
4119 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
4120 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
4121 }
4122 DP(NETIF_MSG_LINK,
4123 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
4124
4125 bnx2x_cl45_write(bp, phy,
4126 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
4127 msleep(500);
4128}
4129
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004130static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
4131 struct link_params *params,
4132 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004133{
4134 struct bnx2x *bp = params->bp;
4135 u16 val = 0, tmp1;
4136 u8 gpio_port;
4137 DP(NETIF_MSG_LINK, "Init 8073\n");
4138
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004139 if (CHIP_IS_E2(bp))
4140 gpio_port = BP_PATH(bp);
4141 else
4142 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004143 /* Restore normal power mode*/
4144 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004145 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004146
4147 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004148 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004149
4150 /* enable LASI */
4151 bnx2x_cl45_write(bp, phy,
4152 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, (1<<2));
4153 bnx2x_cl45_write(bp, phy,
4154 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x0004);
4155
4156 bnx2x_8073_set_pause_cl37(params, phy, vars);
4157
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004158 bnx2x_cl45_read(bp, phy,
4159 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
4160
4161 bnx2x_cl45_read(bp, phy,
4162 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
4163
4164 DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
4165
Yaniv Rosner74d7a112011-01-18 04:33:18 +00004166 /* Swap polarity if required - Must be done only in non-1G mode */
4167 if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
4168 /* Configure the 8073 to swap _P and _N of the KR lines */
4169 DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
4170 /* 10G Rx/Tx and 1G Tx signal polarity swap */
4171 bnx2x_cl45_read(bp, phy,
4172 MDIO_PMA_DEVAD,
4173 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
4174 bnx2x_cl45_write(bp, phy,
4175 MDIO_PMA_DEVAD,
4176 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
4177 (val | (3<<9)));
4178 }
4179
4180
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004181 /* Enable CL37 BAM */
Yaniv Rosner121839b2010-11-01 05:32:38 +00004182 if (REG_RD(bp, params->shmem_base +
4183 offsetof(struct shmem_region, dev_info.
4184 port_hw_config[params->port].default_cfg)) &
4185 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004186
Yaniv Rosner121839b2010-11-01 05:32:38 +00004187 bnx2x_cl45_read(bp, phy,
4188 MDIO_AN_DEVAD,
4189 MDIO_AN_REG_8073_BAM, &val);
4190 bnx2x_cl45_write(bp, phy,
4191 MDIO_AN_DEVAD,
4192 MDIO_AN_REG_8073_BAM, val | 1);
4193 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
4194 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004195 if (params->loopback_mode == LOOPBACK_EXT) {
4196 bnx2x_807x_force_10G(bp, phy);
4197 DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
4198 return 0;
4199 } else {
4200 bnx2x_cl45_write(bp, phy,
4201 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
4202 }
4203 if (phy->req_line_speed != SPEED_AUTO_NEG) {
4204 if (phy->req_line_speed == SPEED_10000) {
4205 val = (1<<7);
4206 } else if (phy->req_line_speed == SPEED_2500) {
4207 val = (1<<5);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004208 /*
4209 * Note that 2.5G works only when used with 1G
Lucas De Marchi25985ed2011-03-30 22:57:33 -03004210 * advertisement
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004211 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004212 } else
4213 val = (1<<5);
4214 } else {
4215 val = 0;
4216 if (phy->speed_cap_mask &
4217 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
4218 val |= (1<<7);
4219
Lucas De Marchi25985ed2011-03-30 22:57:33 -03004220 /* Note that 2.5G works only when used with 1G advertisement */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004221 if (phy->speed_cap_mask &
4222 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
4223 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
4224 val |= (1<<5);
4225 DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
4226 }
4227
4228 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
4229 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
4230
4231 if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
4232 (phy->req_line_speed == SPEED_AUTO_NEG)) ||
4233 (phy->req_line_speed == SPEED_2500)) {
4234 u16 phy_ver;
4235 /* Allow 2.5G for A1 and above */
4236 bnx2x_cl45_read(bp, phy,
4237 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
4238 &phy_ver);
4239 DP(NETIF_MSG_LINK, "Add 2.5G\n");
4240 if (phy_ver > 0)
4241 tmp1 |= 1;
4242 else
4243 tmp1 &= 0xfffe;
4244 } else {
4245 DP(NETIF_MSG_LINK, "Disable 2.5G\n");
4246 tmp1 &= 0xfffe;
4247 }
4248
4249 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
4250 /* Add support for CL37 (passive mode) II */
4251
4252 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
4253 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
4254 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
4255 0x20 : 0x40)));
4256
4257 /* Add support for CL37 (passive mode) III */
4258 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
4259
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004260 /*
4261 * The SNR will improve about 2db by changing BW and FEE main
4262 * tap. Rest commands are executed after link is up
4263 * Change FFE main cursor to 5 in EDC register
4264 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004265 if (bnx2x_8073_is_snr_needed(bp, phy))
4266 bnx2x_cl45_write(bp, phy,
4267 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
4268 0xFB0C);
4269
4270 /* Enable FEC (Forware Error Correction) Request in the AN */
4271 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
4272 tmp1 |= (1<<15);
4273 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
4274
4275 bnx2x_ext_phy_set_pause(params, phy, vars);
4276
4277 /* Restart autoneg */
4278 msleep(500);
4279 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
4280 DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
4281 ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
4282 return 0;
4283}
4284
4285static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
4286 struct link_params *params,
4287 struct link_vars *vars)
4288{
4289 struct bnx2x *bp = params->bp;
4290 u8 link_up = 0;
4291 u16 val1, val2;
4292 u16 link_status = 0;
4293 u16 an1000_status = 0;
4294
4295 bnx2x_cl45_read(bp, phy,
4296 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
4297
4298 DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
4299
4300 /* clear the interrupt LASI status register */
4301 bnx2x_cl45_read(bp, phy,
4302 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
4303 bnx2x_cl45_read(bp, phy,
4304 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
4305 DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
4306 /* Clear MSG-OUT */
4307 bnx2x_cl45_read(bp, phy,
4308 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
4309
4310 /* Check the LASI */
4311 bnx2x_cl45_read(bp, phy,
4312 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
4313
4314 DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
4315
4316 /* Check the link status */
4317 bnx2x_cl45_read(bp, phy,
4318 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
4319 DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
4320
4321 bnx2x_cl45_read(bp, phy,
4322 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
4323 bnx2x_cl45_read(bp, phy,
4324 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
4325 link_up = ((val1 & 4) == 4);
4326 DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
4327
4328 if (link_up &&
4329 ((phy->req_line_speed != SPEED_10000))) {
4330 if (bnx2x_8073_xaui_wa(bp, phy) != 0)
4331 return 0;
4332 }
4333 bnx2x_cl45_read(bp, phy,
4334 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
4335 bnx2x_cl45_read(bp, phy,
4336 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
4337
4338 /* Check the link status on 1.1.2 */
4339 bnx2x_cl45_read(bp, phy,
4340 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
4341 bnx2x_cl45_read(bp, phy,
4342 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
4343 DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
4344 "an_link_status=0x%x\n", val2, val1, an1000_status);
4345
4346 link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
4347 if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004348 /*
4349 * The SNR will improve about 2dbby changing the BW and FEE main
4350 * tap. The 1st write to change FFE main tap is set before
4351 * restart AN. Change PLL Bandwidth in EDC register
4352 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004353 bnx2x_cl45_write(bp, phy,
4354 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
4355 0x26BC);
4356
4357 /* Change CDR Bandwidth in EDC register */
4358 bnx2x_cl45_write(bp, phy,
4359 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
4360 0x0333);
4361 }
4362 bnx2x_cl45_read(bp, phy,
4363 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
4364 &link_status);
4365
4366 /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
4367 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
4368 link_up = 1;
4369 vars->line_speed = SPEED_10000;
4370 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
4371 params->port);
4372 } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
4373 link_up = 1;
4374 vars->line_speed = SPEED_2500;
4375 DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
4376 params->port);
4377 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
4378 link_up = 1;
4379 vars->line_speed = SPEED_1000;
4380 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
4381 params->port);
4382 } else {
4383 link_up = 0;
4384 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
4385 params->port);
4386 }
4387
4388 if (link_up) {
Yaniv Rosner74d7a112011-01-18 04:33:18 +00004389 /* Swap polarity if required */
4390 if (params->lane_config &
4391 PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
4392 /* Configure the 8073 to swap P and N of the KR lines */
4393 bnx2x_cl45_read(bp, phy,
4394 MDIO_XS_DEVAD,
4395 MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004396 /*
4397 * Set bit 3 to invert Rx in 1G mode and clear this bit
4398 * when it`s in 10G mode.
4399 */
Yaniv Rosner74d7a112011-01-18 04:33:18 +00004400 if (vars->line_speed == SPEED_1000) {
4401 DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
4402 "the 8073\n");
4403 val1 |= (1<<3);
4404 } else
4405 val1 &= ~(1<<3);
4406
4407 bnx2x_cl45_write(bp, phy,
4408 MDIO_XS_DEVAD,
4409 MDIO_XS_REG_8073_RX_CTRL_PCIE,
4410 val1);
4411 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004412 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
4413 bnx2x_8073_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00004414 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004415 }
4416 return link_up;
4417}
4418
4419static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
4420 struct link_params *params)
4421{
4422 struct bnx2x *bp = params->bp;
4423 u8 gpio_port;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004424 if (CHIP_IS_E2(bp))
4425 gpio_port = BP_PATH(bp);
4426 else
4427 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004428 DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
4429 gpio_port);
4430 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004431 MISC_REGISTERS_GPIO_OUTPUT_LOW,
4432 gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004433}
4434
4435/******************************************************************/
4436/* BCM8705 PHY SECTION */
4437/******************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004438static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
4439 struct link_params *params,
4440 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004441{
4442 struct bnx2x *bp = params->bp;
4443 DP(NETIF_MSG_LINK, "init 8705\n");
4444 /* Restore normal power mode*/
4445 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004446 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004447 /* HW reset */
4448 bnx2x_ext_phy_hw_reset(bp, params->port);
4449 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00004450 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004451
4452 bnx2x_cl45_write(bp, phy,
4453 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
4454 bnx2x_cl45_write(bp, phy,
4455 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
4456 bnx2x_cl45_write(bp, phy,
4457 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
4458 bnx2x_cl45_write(bp, phy,
4459 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
4460 /* BCM8705 doesn't have microcode, hence the 0 */
4461 bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
4462 return 0;
4463}
4464
4465static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
4466 struct link_params *params,
4467 struct link_vars *vars)
4468{
4469 u8 link_up = 0;
4470 u16 val1, rx_sd;
4471 struct bnx2x *bp = params->bp;
4472 DP(NETIF_MSG_LINK, "read status 8705\n");
4473 bnx2x_cl45_read(bp, phy,
4474 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
4475 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
4476
4477 bnx2x_cl45_read(bp, phy,
4478 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
4479 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
4480
4481 bnx2x_cl45_read(bp, phy,
4482 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
4483
4484 bnx2x_cl45_read(bp, phy,
4485 MDIO_PMA_DEVAD, 0xc809, &val1);
4486 bnx2x_cl45_read(bp, phy,
4487 MDIO_PMA_DEVAD, 0xc809, &val1);
4488
4489 DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
4490 link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
4491 if (link_up) {
4492 vars->line_speed = SPEED_10000;
4493 bnx2x_ext_phy_resolve_fc(phy, params, vars);
4494 }
4495 return link_up;
4496}
4497
4498/******************************************************************/
4499/* SFP+ module Section */
4500/******************************************************************/
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00004501static u8 bnx2x_get_gpio_port(struct link_params *params)
4502{
4503 u8 gpio_port;
4504 u32 swap_val, swap_override;
4505 struct bnx2x *bp = params->bp;
4506 if (CHIP_IS_E2(bp))
4507 gpio_port = BP_PATH(bp);
4508 else
4509 gpio_port = params->port;
4510 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
4511 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
4512 return gpio_port ^ (swap_val && swap_override);
4513}
4514static void bnx2x_sfp_set_transmitter(struct link_params *params,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004515 struct bnx2x_phy *phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004516 u8 tx_en)
4517{
4518 u16 val;
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00004519 u8 port = params->port;
4520 struct bnx2x *bp = params->bp;
4521 u32 tx_en_mode;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004522
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004523 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00004524 tx_en_mode = REG_RD(bp, params->shmem_base +
4525 offsetof(struct shmem_region,
4526 dev_info.port_hw_config[port].sfp_ctrl)) &
4527 PORT_HW_CFG_TX_LASER_MASK;
4528 DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
4529 "mode = %x\n", tx_en, port, tx_en_mode);
4530 switch (tx_en_mode) {
4531 case PORT_HW_CFG_TX_LASER_MDIO:
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004532
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00004533 bnx2x_cl45_read(bp, phy,
4534 MDIO_PMA_DEVAD,
4535 MDIO_PMA_REG_PHY_IDENTIFIER,
4536 &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004537
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00004538 if (tx_en)
4539 val &= ~(1<<15);
4540 else
4541 val |= (1<<15);
4542
4543 bnx2x_cl45_write(bp, phy,
4544 MDIO_PMA_DEVAD,
4545 MDIO_PMA_REG_PHY_IDENTIFIER,
4546 val);
4547 break;
4548 case PORT_HW_CFG_TX_LASER_GPIO0:
4549 case PORT_HW_CFG_TX_LASER_GPIO1:
4550 case PORT_HW_CFG_TX_LASER_GPIO2:
4551 case PORT_HW_CFG_TX_LASER_GPIO3:
4552 {
4553 u16 gpio_pin;
4554 u8 gpio_port, gpio_mode;
4555 if (tx_en)
4556 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
4557 else
4558 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
4559
4560 gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
4561 gpio_port = bnx2x_get_gpio_port(params);
4562 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
4563 break;
4564 }
4565 default:
4566 DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
4567 break;
4568 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004569}
4570
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004571static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
4572 struct link_params *params,
4573 u16 addr, u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004574{
4575 struct bnx2x *bp = params->bp;
4576 u16 val = 0;
4577 u16 i;
4578 if (byte_cnt > 16) {
4579 DP(NETIF_MSG_LINK, "Reading from eeprom is"
4580 " is limited to 0xf\n");
4581 return -EINVAL;
4582 }
4583 /* Set the read command byte count */
4584 bnx2x_cl45_write(bp, phy,
4585 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004586 (byte_cnt | 0xa000));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004587
4588 /* Set the read command address */
4589 bnx2x_cl45_write(bp, phy,
4590 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004591 addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004592
4593 /* Activate read command */
4594 bnx2x_cl45_write(bp, phy,
4595 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004596 0x2c0f);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004597
4598 /* Wait up to 500us for command complete status */
4599 for (i = 0; i < 100; i++) {
4600 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004601 MDIO_PMA_DEVAD,
4602 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004603 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
4604 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
4605 break;
4606 udelay(5);
4607 }
4608
4609 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
4610 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
4611 DP(NETIF_MSG_LINK,
4612 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
4613 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
4614 return -EINVAL;
4615 }
4616
4617 /* Read the buffer */
4618 for (i = 0; i < byte_cnt; i++) {
4619 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004620 MDIO_PMA_DEVAD,
4621 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004622 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
4623 }
4624
4625 for (i = 0; i < 100; i++) {
4626 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004627 MDIO_PMA_DEVAD,
4628 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004629 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
4630 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
Joe Perches6f38ad92010-11-14 17:04:31 +00004631 return 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004632 msleep(1);
4633 }
4634 return -EINVAL;
4635}
4636
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004637static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
4638 struct link_params *params,
4639 u16 addr, u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004640{
4641 struct bnx2x *bp = params->bp;
4642 u16 val, i;
4643
4644 if (byte_cnt > 16) {
4645 DP(NETIF_MSG_LINK, "Reading from eeprom is"
4646 " is limited to 0xf\n");
4647 return -EINVAL;
4648 }
4649
4650 /* Need to read from 1.8000 to clear it */
4651 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004652 MDIO_PMA_DEVAD,
4653 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
4654 &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004655
4656 /* Set the read command byte count */
4657 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004658 MDIO_PMA_DEVAD,
4659 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
4660 ((byte_cnt < 2) ? 2 : byte_cnt));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004661
4662 /* Set the read command address */
4663 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004664 MDIO_PMA_DEVAD,
4665 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
4666 addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004667 /* Set the destination address */
4668 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004669 MDIO_PMA_DEVAD,
4670 0x8004,
4671 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004672
4673 /* Activate read command */
4674 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004675 MDIO_PMA_DEVAD,
4676 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
4677 0x8002);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004678 /*
4679 * Wait appropriate time for two-wire command to finish before
4680 * polling the status register
4681 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004682 msleep(1);
4683
4684 /* Wait up to 500us for command complete status */
4685 for (i = 0; i < 100; i++) {
4686 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004687 MDIO_PMA_DEVAD,
4688 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004689 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
4690 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
4691 break;
4692 udelay(5);
4693 }
4694
4695 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
4696 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
4697 DP(NETIF_MSG_LINK,
4698 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
4699 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
Yaniv Rosner65a001b2011-01-31 04:22:03 +00004700 return -EFAULT;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004701 }
4702
4703 /* Read the buffer */
4704 for (i = 0; i < byte_cnt; i++) {
4705 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004706 MDIO_PMA_DEVAD,
4707 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004708 o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
4709 }
4710
4711 for (i = 0; i < 100; i++) {
4712 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004713 MDIO_PMA_DEVAD,
4714 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004715 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
4716 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
Joe Perches6f38ad92010-11-14 17:04:31 +00004717 return 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004718 msleep(1);
4719 }
4720
4721 return -EINVAL;
4722}
4723
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004724int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
4725 struct link_params *params, u16 addr,
4726 u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004727{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004728 int rc = -EINVAL;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00004729 switch (phy->type) {
4730 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
4731 rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
4732 byte_cnt, o_buf);
4733 break;
4734 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
4735 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
4736 rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
4737 byte_cnt, o_buf);
4738 break;
4739 }
4740 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004741}
4742
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004743static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
4744 struct link_params *params,
4745 u16 *edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004746{
4747 struct bnx2x *bp = params->bp;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00004748 u32 sync_offset = 0, phy_idx, media_types;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004749 u8 val, check_limiting_mode = 0;
4750 *edc_mode = EDC_MODE_LIMITING;
4751
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00004752 phy->media_type = ETH_PHY_UNSPECIFIED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004753 /* First check for copper cable */
4754 if (bnx2x_read_sfp_module_eeprom(phy,
4755 params,
4756 SFP_EEPROM_CON_TYPE_ADDR,
4757 1,
4758 &val) != 0) {
4759 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
4760 return -EINVAL;
4761 }
4762
4763 switch (val) {
4764 case SFP_EEPROM_CON_TYPE_VAL_COPPER:
4765 {
4766 u8 copper_module_type;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00004767 phy->media_type = ETH_PHY_DA_TWINAX;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004768 /*
4769 * Check if its active cable (includes SFP+ module)
4770 * of passive cable
4771 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004772 if (bnx2x_read_sfp_module_eeprom(phy,
4773 params,
4774 SFP_EEPROM_FC_TX_TECH_ADDR,
4775 1,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00004776 &copper_module_type) != 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004777 DP(NETIF_MSG_LINK,
4778 "Failed to read copper-cable-type"
4779 " from SFP+ EEPROM\n");
4780 return -EINVAL;
4781 }
4782
4783 if (copper_module_type &
4784 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
4785 DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
4786 check_limiting_mode = 1;
4787 } else if (copper_module_type &
4788 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
4789 DP(NETIF_MSG_LINK, "Passive Copper"
4790 " cable detected\n");
4791 *edc_mode =
4792 EDC_MODE_PASSIVE_DAC;
4793 } else {
4794 DP(NETIF_MSG_LINK, "Unknown copper-cable-"
4795 "type 0x%x !!!\n", copper_module_type);
4796 return -EINVAL;
4797 }
4798 break;
4799 }
4800 case SFP_EEPROM_CON_TYPE_VAL_LC:
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00004801 phy->media_type = ETH_PHY_SFP_FIBER;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004802 DP(NETIF_MSG_LINK, "Optic module detected\n");
4803 check_limiting_mode = 1;
4804 break;
4805 default:
4806 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
4807 val);
4808 return -EINVAL;
4809 }
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00004810 sync_offset = params->shmem_base +
4811 offsetof(struct shmem_region,
4812 dev_info.port_hw_config[params->port].media_type);
4813 media_types = REG_RD(bp, sync_offset);
4814 /* Update media type for non-PMF sync */
4815 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
4816 if (&(params->phy[phy_idx]) == phy) {
4817 media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
4818 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
4819 media_types |= ((phy->media_type &
4820 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
4821 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
4822 break;
4823 }
4824 }
4825 REG_WR(bp, sync_offset, media_types);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004826 if (check_limiting_mode) {
4827 u8 options[SFP_EEPROM_OPTIONS_SIZE];
4828 if (bnx2x_read_sfp_module_eeprom(phy,
4829 params,
4830 SFP_EEPROM_OPTIONS_ADDR,
4831 SFP_EEPROM_OPTIONS_SIZE,
4832 options) != 0) {
4833 DP(NETIF_MSG_LINK, "Failed to read Option"
4834 " field from module EEPROM\n");
4835 return -EINVAL;
4836 }
4837 if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
4838 *edc_mode = EDC_MODE_LINEAR;
4839 else
4840 *edc_mode = EDC_MODE_LIMITING;
4841 }
4842 DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
4843 return 0;
4844}
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004845/*
4846 * This function read the relevant field from the module (SFP+), and verify it
4847 * is compliant with this board
4848 */
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004849static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
4850 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004851{
4852 struct bnx2x *bp = params->bp;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004853 u32 val, cmd;
4854 u32 fw_resp, fw_cmd_param;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004855 char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
4856 char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004857 phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004858 val = REG_RD(bp, params->shmem_base +
4859 offsetof(struct shmem_region, dev_info.
4860 port_feature_config[params->port].config));
4861 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
4862 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
4863 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
4864 return 0;
4865 }
4866
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004867 if (params->feature_config_flags &
4868 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
4869 /* Use specific phy request */
4870 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
4871 } else if (params->feature_config_flags &
4872 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
4873 /* Use first phy request only in case of non-dual media*/
4874 if (DUAL_MEDIA(params)) {
4875 DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
4876 "verification\n");
4877 return -EINVAL;
4878 }
4879 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
4880 } else {
4881 /* No support in OPT MDL detection */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004882 DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004883 "verification\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004884 return -EINVAL;
4885 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004886
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004887 fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
4888 fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004889 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
4890 DP(NETIF_MSG_LINK, "Approved module\n");
4891 return 0;
4892 }
4893
4894 /* format the warning message */
4895 if (bnx2x_read_sfp_module_eeprom(phy,
4896 params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004897 SFP_EEPROM_VENDOR_NAME_ADDR,
4898 SFP_EEPROM_VENDOR_NAME_SIZE,
4899 (u8 *)vendor_name))
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004900 vendor_name[0] = '\0';
4901 else
4902 vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
4903 if (bnx2x_read_sfp_module_eeprom(phy,
4904 params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004905 SFP_EEPROM_PART_NO_ADDR,
4906 SFP_EEPROM_PART_NO_SIZE,
4907 (u8 *)vendor_pn))
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004908 vendor_pn[0] = '\0';
4909 else
4910 vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
4911
Yaniv Rosner6d870c32011-01-31 04:22:20 +00004912 netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
4913 " Port %d from %s part number %s\n",
4914 params->port, vendor_name, vendor_pn);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004915 phy->flags |= FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004916 return -EINVAL;
4917}
4918
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004919static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
4920 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004921
4922{
4923 u8 val;
4924 struct bnx2x *bp = params->bp;
4925 u16 timeout;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004926 /*
4927 * Initialization time after hot-plug may take up to 300ms for
4928 * some phys type ( e.g. JDSU )
4929 */
4930
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004931 for (timeout = 0; timeout < 60; timeout++) {
4932 if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
4933 == 0) {
4934 DP(NETIF_MSG_LINK, "SFP+ module initialization "
4935 "took %d ms\n", timeout * 5);
4936 return 0;
4937 }
4938 msleep(5);
4939 }
4940 return -EINVAL;
4941}
4942
4943static void bnx2x_8727_power_module(struct bnx2x *bp,
4944 struct bnx2x_phy *phy,
4945 u8 is_power_up) {
4946 /* Make sure GPIOs are not using for LED mode */
4947 u16 val;
4948 /*
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004949 * In the GPIO register, bit 4 is use to determine if the GPIOs are
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004950 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
4951 * output
4952 * Bits 0-1 determine the gpios value for OUTPUT in case bit 4 val is 0
4953 * Bits 8-9 determine the gpios value for INPUT in case bit 4 val is 1
4954 * where the 1st bit is the over-current(only input), and 2nd bit is
4955 * for power( only output )
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00004956 *
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004957 * In case of NOC feature is disabled and power is up, set GPIO control
4958 * as input to enable listening of over-current indication
4959 */
4960 if (phy->flags & FLAGS_NOC)
4961 return;
Yaniv Rosner27d02432011-05-31 21:27:48 +00004962 if (is_power_up)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004963 val = (1<<4);
4964 else
4965 /*
4966 * Set GPIO control to OUTPUT, and set the power bit
4967 * to according to the is_power_up
4968 */
Yaniv Rosner27d02432011-05-31 21:27:48 +00004969 val = (1<<1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004970
4971 bnx2x_cl45_write(bp, phy,
4972 MDIO_PMA_DEVAD,
4973 MDIO_PMA_REG_8727_GPIO_CTRL,
4974 val);
4975}
4976
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00004977static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
4978 struct bnx2x_phy *phy,
4979 u16 edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004980{
4981 u16 cur_limiting_mode;
4982
4983 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004984 MDIO_PMA_DEVAD,
4985 MDIO_PMA_REG_ROM_VER2,
4986 &cur_limiting_mode);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004987 DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
4988 cur_limiting_mode);
4989
4990 if (edc_mode == EDC_MODE_LIMITING) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004991 DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004992 bnx2x_cl45_write(bp, phy,
4993 MDIO_PMA_DEVAD,
4994 MDIO_PMA_REG_ROM_VER2,
4995 EDC_MODE_LIMITING);
4996 } else { /* LRM mode ( default )*/
4997
4998 DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
4999
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005000 /*
5001 * Changing to LRM mode takes quite few seconds. So do it only
5002 * if current mode is limiting (default is LRM)
5003 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005004 if (cur_limiting_mode != EDC_MODE_LIMITING)
5005 return 0;
5006
5007 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005008 MDIO_PMA_DEVAD,
5009 MDIO_PMA_REG_LRM_MODE,
5010 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005011 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005012 MDIO_PMA_DEVAD,
5013 MDIO_PMA_REG_ROM_VER2,
5014 0x128);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005015 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005016 MDIO_PMA_DEVAD,
5017 MDIO_PMA_REG_MISC_CTRL0,
5018 0x4008);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005019 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005020 MDIO_PMA_DEVAD,
5021 MDIO_PMA_REG_LRM_MODE,
5022 0xaaaa);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005023 }
5024 return 0;
5025}
5026
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005027static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
5028 struct bnx2x_phy *phy,
5029 u16 edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005030{
5031 u16 phy_identifier;
5032 u16 rom_ver2_val;
5033 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005034 MDIO_PMA_DEVAD,
5035 MDIO_PMA_REG_PHY_IDENTIFIER,
5036 &phy_identifier);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005037
5038 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005039 MDIO_PMA_DEVAD,
5040 MDIO_PMA_REG_PHY_IDENTIFIER,
5041 (phy_identifier & ~(1<<9)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005042
5043 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005044 MDIO_PMA_DEVAD,
5045 MDIO_PMA_REG_ROM_VER2,
5046 &rom_ver2_val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005047 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
5048 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005049 MDIO_PMA_DEVAD,
5050 MDIO_PMA_REG_ROM_VER2,
5051 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005052
5053 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005054 MDIO_PMA_DEVAD,
5055 MDIO_PMA_REG_PHY_IDENTIFIER,
5056 (phy_identifier | (1<<9)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005057
5058 return 0;
5059}
5060
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005061static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
5062 struct link_params *params,
5063 u32 action)
5064{
5065 struct bnx2x *bp = params->bp;
5066
5067 switch (action) {
5068 case DISABLE_TX:
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005069 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005070 break;
5071 case ENABLE_TX:
5072 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005073 bnx2x_sfp_set_transmitter(params, phy, 1);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005074 break;
5075 default:
5076 DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
5077 action);
5078 return;
5079 }
5080}
5081
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005082static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
5083 u8 gpio_mode)
5084{
5085 struct bnx2x *bp = params->bp;
5086
5087 u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
5088 offsetof(struct shmem_region,
5089 dev_info.port_hw_config[params->port].sfp_ctrl)) &
5090 PORT_HW_CFG_FAULT_MODULE_LED_MASK;
5091 switch (fault_led_gpio) {
5092 case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
5093 return;
5094 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
5095 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
5096 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
5097 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
5098 {
5099 u8 gpio_port = bnx2x_get_gpio_port(params);
5100 u16 gpio_pin = fault_led_gpio -
5101 PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
5102 DP(NETIF_MSG_LINK, "Set fault module-detected led "
5103 "pin %x port %x mode %x\n",
5104 gpio_pin, gpio_port, gpio_mode);
5105 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
5106 }
5107 break;
5108 default:
5109 DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
5110 fault_led_gpio);
5111 }
5112}
5113
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00005114static void bnx2x_power_sfp_module(struct link_params *params,
5115 struct bnx2x_phy *phy,
5116 u8 power)
5117{
5118 struct bnx2x *bp = params->bp;
5119 DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
5120
5121 switch (phy->type) {
5122 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
5123 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
5124 bnx2x_8727_power_module(params->bp, phy, power);
5125 break;
5126 default:
5127 break;
5128 }
5129}
5130
5131static void bnx2x_set_limiting_mode(struct link_params *params,
5132 struct bnx2x_phy *phy,
5133 u16 edc_mode)
5134{
5135 switch (phy->type) {
5136 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
5137 bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
5138 break;
5139 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
5140 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
5141 bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
5142 break;
5143 }
5144}
5145
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005146int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
5147 struct link_params *params)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005148{
5149 struct bnx2x *bp = params->bp;
5150 u16 edc_mode;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005151 int rc = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005152
5153 u32 val = REG_RD(bp, params->shmem_base +
5154 offsetof(struct shmem_region, dev_info.
5155 port_feature_config[params->port].config));
5156
5157 DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
5158 params->port);
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00005159 /* Power up module */
5160 bnx2x_power_sfp_module(params, phy, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005161 if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
5162 DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
5163 return -EINVAL;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005164 } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005165 /* check SFP+ module compatibility */
5166 DP(NETIF_MSG_LINK, "Module verification failed!!\n");
5167 rc = -EINVAL;
5168 /* Turn on fault module-detected led */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005169 bnx2x_set_sfp_module_fault_led(params,
5170 MISC_REGISTERS_GPIO_HIGH);
5171
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00005172 /* Check if need to power down the SFP+ module */
5173 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
5174 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005175 DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00005176 bnx2x_power_sfp_module(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005177 return rc;
5178 }
5179 } else {
5180 /* Turn off fault module-detected led */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005181 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005182 }
5183
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005184 /*
5185 * Check and set limiting mode / LRM mode on 8726. On 8727 it
5186 * is done automatically
5187 */
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00005188 bnx2x_set_limiting_mode(params, phy, edc_mode);
5189
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005190 /*
5191 * Enable transmit for this module if the module is approved, or
5192 * if unapproved modules should also enable the Tx laser
5193 */
5194 if (rc == 0 ||
5195 (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
5196 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005197 bnx2x_sfp_set_transmitter(params, phy, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005198 else
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005199 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005200
5201 return rc;
5202}
5203
5204void bnx2x_handle_module_detect_int(struct link_params *params)
5205{
5206 struct bnx2x *bp = params->bp;
5207 struct bnx2x_phy *phy = &params->phy[EXT_PHY1];
5208 u32 gpio_val;
5209 u8 port = params->port;
5210
5211 /* Set valid module led off */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005212 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005213
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005214 /* Get current gpio val reflecting module plugged in / out*/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005215 gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port);
5216
5217 /* Call the handling function in case module is detected */
5218 if (gpio_val == 0) {
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00005219 bnx2x_power_sfp_module(params, phy, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005220 bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
5221 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
5222 port);
5223
5224 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
5225 bnx2x_sfp_module_detection(phy, params);
5226 else
5227 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
5228 } else {
5229 u32 val = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005230 offsetof(struct shmem_region, dev_info.
5231 port_feature_config[params->port].
5232 config));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005233
5234 bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
5235 MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
5236 port);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005237 /*
5238 * Module was plugged out.
5239 * Disable transmit for this module
5240 */
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00005241 phy->media_type = ETH_PHY_NOT_PRESENT;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005242 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
5243 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005244 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005245 }
5246}
5247
5248/******************************************************************/
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00005249/* Used by 8706 and 8727 */
5250/******************************************************************/
5251static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
5252 struct bnx2x_phy *phy,
5253 u16 alarm_status_offset,
5254 u16 alarm_ctrl_offset)
5255{
5256 u16 alarm_status, val;
5257 bnx2x_cl45_read(bp, phy,
5258 MDIO_PMA_DEVAD, alarm_status_offset,
5259 &alarm_status);
5260 bnx2x_cl45_read(bp, phy,
5261 MDIO_PMA_DEVAD, alarm_status_offset,
5262 &alarm_status);
5263 /* Mask or enable the fault event. */
5264 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
5265 if (alarm_status & (1<<0))
5266 val &= ~(1<<0);
5267 else
5268 val |= (1<<0);
5269 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
5270}
5271/******************************************************************/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005272/* common BCM8706/BCM8726 PHY SECTION */
5273/******************************************************************/
5274static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
5275 struct link_params *params,
5276 struct link_vars *vars)
5277{
5278 u8 link_up = 0;
5279 u16 val1, val2, rx_sd, pcs_status;
5280 struct bnx2x *bp = params->bp;
5281 DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
5282 /* Clear RX Alarm*/
5283 bnx2x_cl45_read(bp, phy,
5284 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00005285
5286 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_REG_TX_ALARM,
5287 MDIO_PMA_REG_TX_ALARM_CTRL);
5288
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005289 /* clear LASI indication*/
5290 bnx2x_cl45_read(bp, phy,
5291 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
5292 bnx2x_cl45_read(bp, phy,
5293 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
5294 DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
5295
5296 bnx2x_cl45_read(bp, phy,
5297 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
5298 bnx2x_cl45_read(bp, phy,
5299 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
5300 bnx2x_cl45_read(bp, phy,
5301 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
5302 bnx2x_cl45_read(bp, phy,
5303 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
5304
5305 DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
5306 " link_status 0x%x\n", rx_sd, pcs_status, val2);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005307 /*
5308 * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
5309 * are set, or if the autoneg bit 1 is set
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005310 */
5311 link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
5312 if (link_up) {
5313 if (val2 & (1<<1))
5314 vars->line_speed = SPEED_1000;
5315 else
5316 vars->line_speed = SPEED_10000;
5317 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00005318 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005319 }
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00005320
5321 /* Capture 10G link fault. Read twice to clear stale value. */
5322 if (vars->line_speed == SPEED_10000) {
5323 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
5324 MDIO_PMA_REG_TX_ALARM, &val1);
5325 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
5326 MDIO_PMA_REG_TX_ALARM, &val1);
5327 if (val1 & (1<<0))
5328 vars->fault_detected = 1;
5329 }
5330
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005331 return link_up;
5332}
5333
5334/******************************************************************/
5335/* BCM8706 PHY SECTION */
5336/******************************************************************/
5337static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
5338 struct link_params *params,
5339 struct link_vars *vars)
5340{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005341 u32 tx_en_mode;
5342 u16 cnt, val, tmp1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005343 struct bnx2x *bp = params->bp;
5344 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005345 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005346 /* HW reset */
5347 bnx2x_ext_phy_hw_reset(bp, params->port);
5348 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00005349 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005350
5351 /* Wait until fw is loaded */
5352 for (cnt = 0; cnt < 100; cnt++) {
5353 bnx2x_cl45_read(bp, phy,
5354 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
5355 if (val)
5356 break;
5357 msleep(10);
5358 }
5359 DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
5360 if ((params->feature_config_flags &
5361 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
5362 u8 i;
5363 u16 reg;
5364 for (i = 0; i < 4; i++) {
5365 reg = MDIO_XS_8706_REG_BANK_RX0 +
5366 i*(MDIO_XS_8706_REG_BANK_RX1 -
5367 MDIO_XS_8706_REG_BANK_RX0);
5368 bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
5369 /* Clear first 3 bits of the control */
5370 val &= ~0x7;
5371 /* Set control bits according to configuration */
5372 val |= (phy->rx_preemphasis[i] & 0x7);
5373 DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
5374 " reg 0x%x <-- val 0x%x\n", reg, val);
5375 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
5376 }
5377 }
5378 /* Force speed */
5379 if (phy->req_line_speed == SPEED_10000) {
5380 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
5381
5382 bnx2x_cl45_write(bp, phy,
5383 MDIO_PMA_DEVAD,
5384 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
5385 bnx2x_cl45_write(bp, phy,
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00005386 MDIO_PMA_DEVAD, MDIO_PMA_REG_TX_ALARM_CTRL,
5387 0);
5388 /* Arm LASI for link and Tx fault. */
5389 bnx2x_cl45_write(bp, phy,
5390 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 3);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005391 } else {
Lucas De Marchi25985ed2011-03-30 22:57:33 -03005392 /* Force 1Gbps using autoneg with 1G advertisement */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005393
5394 /* Allow CL37 through CL73 */
5395 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
5396 bnx2x_cl45_write(bp, phy,
5397 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
5398
Lucas De Marchi25985ed2011-03-30 22:57:33 -03005399 /* Enable Full-Duplex advertisement on CL37 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005400 bnx2x_cl45_write(bp, phy,
5401 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
5402 /* Enable CL37 AN */
5403 bnx2x_cl45_write(bp, phy,
5404 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
5405 /* 1G support */
5406 bnx2x_cl45_write(bp, phy,
5407 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
5408
5409 /* Enable clause 73 AN */
5410 bnx2x_cl45_write(bp, phy,
5411 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
5412 bnx2x_cl45_write(bp, phy,
5413 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
5414 0x0400);
5415 bnx2x_cl45_write(bp, phy,
5416 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
5417 0x0004);
5418 }
5419 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005420
5421 /*
5422 * If TX Laser is controlled by GPIO_0, do not let PHY go into low
5423 * power mode, if TX Laser is disabled
5424 */
5425
5426 tx_en_mode = REG_RD(bp, params->shmem_base +
5427 offsetof(struct shmem_region,
5428 dev_info.port_hw_config[params->port].sfp_ctrl))
5429 & PORT_HW_CFG_TX_LASER_MASK;
5430
5431 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
5432 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
5433 bnx2x_cl45_read(bp, phy,
5434 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
5435 tmp1 |= 0x1;
5436 bnx2x_cl45_write(bp, phy,
5437 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
5438 }
5439
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005440 return 0;
5441}
5442
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005443static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
5444 struct link_params *params,
5445 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005446{
5447 return bnx2x_8706_8726_read_status(phy, params, vars);
5448}
5449
5450/******************************************************************/
5451/* BCM8726 PHY SECTION */
5452/******************************************************************/
5453static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
5454 struct link_params *params)
5455{
5456 struct bnx2x *bp = params->bp;
5457 DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
5458 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
5459}
5460
5461static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
5462 struct link_params *params)
5463{
5464 struct bnx2x *bp = params->bp;
5465 /* Need to wait 100ms after reset */
5466 msleep(100);
5467
5468 /* Micro controller re-boot */
5469 bnx2x_cl45_write(bp, phy,
5470 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
5471
5472 /* Set soft reset */
5473 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005474 MDIO_PMA_DEVAD,
5475 MDIO_PMA_REG_GEN_CTRL,
5476 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005477
5478 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005479 MDIO_PMA_DEVAD,
5480 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005481
5482 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005483 MDIO_PMA_DEVAD,
5484 MDIO_PMA_REG_GEN_CTRL,
5485 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005486
5487 /* wait for 150ms for microcode load */
5488 msleep(150);
5489
5490 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
5491 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005492 MDIO_PMA_DEVAD,
5493 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005494
5495 msleep(200);
5496 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
5497}
5498
5499static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
5500 struct link_params *params,
5501 struct link_vars *vars)
5502{
5503 struct bnx2x *bp = params->bp;
5504 u16 val1;
5505 u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
5506 if (link_up) {
5507 bnx2x_cl45_read(bp, phy,
5508 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
5509 &val1);
5510 if (val1 & (1<<15)) {
5511 DP(NETIF_MSG_LINK, "Tx is disabled\n");
5512 link_up = 0;
5513 vars->line_speed = 0;
5514 }
5515 }
5516 return link_up;
5517}
5518
5519
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005520static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
5521 struct link_params *params,
5522 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005523{
5524 struct bnx2x *bp = params->bp;
5525 u32 val;
5526 u32 swap_val, swap_override, aeu_gpio_mask, offset;
5527 DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005528
5529 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00005530 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005531
5532 bnx2x_8726_external_rom_boot(phy, params);
5533
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005534 /*
5535 * Need to call module detected on initialization since the module
5536 * detection triggered by actual module insertion might occur before
5537 * driver is loaded, and when driver is loaded, it reset all
5538 * registers, including the transmitter
5539 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005540 bnx2x_sfp_module_detection(phy, params);
5541
5542 if (phy->req_line_speed == SPEED_1000) {
5543 DP(NETIF_MSG_LINK, "Setting 1G force\n");
5544 bnx2x_cl45_write(bp, phy,
5545 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
5546 bnx2x_cl45_write(bp, phy,
5547 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
5548 bnx2x_cl45_write(bp, phy,
5549 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x5);
5550 bnx2x_cl45_write(bp, phy,
5551 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
5552 0x400);
5553 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5554 (phy->speed_cap_mask &
5555 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
5556 ((phy->speed_cap_mask &
5557 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
5558 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
5559 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
5560 /* Set Flow control */
5561 bnx2x_ext_phy_set_pause(params, phy, vars);
5562 bnx2x_cl45_write(bp, phy,
5563 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
5564 bnx2x_cl45_write(bp, phy,
5565 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
5566 bnx2x_cl45_write(bp, phy,
5567 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
5568 bnx2x_cl45_write(bp, phy,
5569 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
5570 bnx2x_cl45_write(bp, phy,
5571 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005572 /*
5573 * Enable RX-ALARM control to receive interrupt for 1G speed
5574 * change
5575 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005576 bnx2x_cl45_write(bp, phy,
5577 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x4);
5578 bnx2x_cl45_write(bp, phy,
5579 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
5580 0x400);
5581
5582 } else { /* Default 10G. Set only LASI control */
5583 bnx2x_cl45_write(bp, phy,
5584 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
5585 }
5586
5587 /* Set TX PreEmphasis if needed */
5588 if ((params->feature_config_flags &
5589 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
5590 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
5591 "TX_CTRL2 0x%x\n",
5592 phy->tx_preemphasis[0],
5593 phy->tx_preemphasis[1]);
5594 bnx2x_cl45_write(bp, phy,
5595 MDIO_PMA_DEVAD,
5596 MDIO_PMA_REG_8726_TX_CTRL1,
5597 phy->tx_preemphasis[0]);
5598
5599 bnx2x_cl45_write(bp, phy,
5600 MDIO_PMA_DEVAD,
5601 MDIO_PMA_REG_8726_TX_CTRL2,
5602 phy->tx_preemphasis[1]);
5603 }
5604
5605 /* Set GPIO3 to trigger SFP+ module insertion/removal */
5606 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005607 MISC_REGISTERS_GPIO_INPUT_HI_Z, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005608
5609 /* The GPIO should be swapped if the swap register is set and active */
5610 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
5611 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
5612
5613 /* Select function upon port-swap configuration */
5614 if (params->port == 0) {
5615 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
5616 aeu_gpio_mask = (swap_val && swap_override) ?
5617 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1 :
5618 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0;
5619 } else {
5620 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
5621 aeu_gpio_mask = (swap_val && swap_override) ?
5622 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 :
5623 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1;
5624 }
5625 val = REG_RD(bp, offset);
5626 /* add GPIO3 to group */
5627 val |= aeu_gpio_mask;
5628 REG_WR(bp, offset, val);
5629 return 0;
5630
5631}
5632
5633static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
5634 struct link_params *params)
5635{
5636 struct bnx2x *bp = params->bp;
5637 DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
5638 /* Set serial boot control for external load */
5639 bnx2x_cl45_write(bp, phy,
5640 MDIO_PMA_DEVAD,
5641 MDIO_PMA_REG_GEN_CTRL, 0x0001);
5642}
5643
5644/******************************************************************/
5645/* BCM8727 PHY SECTION */
5646/******************************************************************/
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005647
5648static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
5649 struct link_params *params, u8 mode)
5650{
5651 struct bnx2x *bp = params->bp;
5652 u16 led_mode_bitmask = 0;
5653 u16 gpio_pins_bitmask = 0;
5654 u16 val;
5655 /* Only NOC flavor requires to set the LED specifically */
5656 if (!(phy->flags & FLAGS_NOC))
5657 return;
5658 switch (mode) {
5659 case LED_MODE_FRONT_PANEL_OFF:
5660 case LED_MODE_OFF:
5661 led_mode_bitmask = 0;
5662 gpio_pins_bitmask = 0x03;
5663 break;
5664 case LED_MODE_ON:
5665 led_mode_bitmask = 0;
5666 gpio_pins_bitmask = 0x02;
5667 break;
5668 case LED_MODE_OPER:
5669 led_mode_bitmask = 0x60;
5670 gpio_pins_bitmask = 0x11;
5671 break;
5672 }
5673 bnx2x_cl45_read(bp, phy,
5674 MDIO_PMA_DEVAD,
5675 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
5676 &val);
5677 val &= 0xff8f;
5678 val |= led_mode_bitmask;
5679 bnx2x_cl45_write(bp, phy,
5680 MDIO_PMA_DEVAD,
5681 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
5682 val);
5683 bnx2x_cl45_read(bp, phy,
5684 MDIO_PMA_DEVAD,
5685 MDIO_PMA_REG_8727_GPIO_CTRL,
5686 &val);
5687 val &= 0xffe0;
5688 val |= gpio_pins_bitmask;
5689 bnx2x_cl45_write(bp, phy,
5690 MDIO_PMA_DEVAD,
5691 MDIO_PMA_REG_8727_GPIO_CTRL,
5692 val);
5693}
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005694static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
5695 struct link_params *params) {
5696 u32 swap_val, swap_override;
5697 u8 port;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005698 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005699 * The PHY reset is controlled by GPIO 1. Fake the port number
5700 * to cancel the swap done in set_gpio()
5701 */
5702 struct bnx2x *bp = params->bp;
5703 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
5704 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
5705 port = (swap_val && swap_override) ^ 1;
5706 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005707 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005708}
5709
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00005710static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
5711 struct link_params *params,
5712 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005713{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005714 u32 tx_en_mode;
5715 u16 tmp1, val, mod_abs, tmp2;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005716 u16 rx_alarm_ctrl_val;
5717 u16 lasi_ctrl_val;
5718 struct bnx2x *bp = params->bp;
5719 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
5720
Yaniv Rosner6d870c32011-01-31 04:22:20 +00005721 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005722 rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00005723 /* Should be 0x6 to enable XS on Tx side. */
5724 lasi_ctrl_val = 0x0006;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005725
5726 DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
5727 /* enable LASI */
5728 bnx2x_cl45_write(bp, phy,
5729 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
5730 rx_alarm_ctrl_val);
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00005731 bnx2x_cl45_write(bp, phy,
5732 MDIO_PMA_DEVAD, MDIO_PMA_REG_TX_ALARM_CTRL,
5733 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005734 bnx2x_cl45_write(bp, phy,
5735 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, lasi_ctrl_val);
5736
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005737 /*
5738 * Initially configure MOD_ABS to interrupt when module is
5739 * presence( bit 8)
5740 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005741 bnx2x_cl45_read(bp, phy,
5742 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005743 /*
5744 * Set EDC off by setting OPTXLOS signal input to low (bit 9).
5745 * When the EDC is off it locks onto a reference clock and avoids
5746 * becoming 'lost'
5747 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005748 mod_abs &= ~(1<<8);
5749 if (!(phy->flags & FLAGS_NOC))
5750 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005751 bnx2x_cl45_write(bp, phy,
5752 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
5753
5754
5755 /* Make MOD_ABS give interrupt on change */
5756 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
5757 &val);
5758 val |= (1<<12);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005759 if (phy->flags & FLAGS_NOC)
5760 val |= (3<<5);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005761
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005762 /*
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005763 * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
5764 * status which reflect SFP+ module over-current
5765 */
5766 if (!(phy->flags & FLAGS_NOC))
5767 val &= 0xff8f; /* Reset bits 4-6 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005768 bnx2x_cl45_write(bp, phy,
5769 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
5770
5771 bnx2x_8727_power_module(bp, phy, 1);
5772
5773 bnx2x_cl45_read(bp, phy,
5774 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
5775
5776 bnx2x_cl45_read(bp, phy,
5777 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
5778
5779 /* Set option 1G speed */
5780 if (phy->req_line_speed == SPEED_1000) {
5781 DP(NETIF_MSG_LINK, "Setting 1G force\n");
5782 bnx2x_cl45_write(bp, phy,
5783 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
5784 bnx2x_cl45_write(bp, phy,
5785 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
5786 bnx2x_cl45_read(bp, phy,
5787 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
5788 DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005789 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005790 * Power down the XAUI until link is up in case of dual-media
5791 * and 1G
5792 */
5793 if (DUAL_MEDIA(params)) {
5794 bnx2x_cl45_read(bp, phy,
5795 MDIO_PMA_DEVAD,
5796 MDIO_PMA_REG_8727_PCS_GP, &val);
5797 val |= (3<<10);
5798 bnx2x_cl45_write(bp, phy,
5799 MDIO_PMA_DEVAD,
5800 MDIO_PMA_REG_8727_PCS_GP, val);
5801 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005802 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5803 ((phy->speed_cap_mask &
5804 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
5805 ((phy->speed_cap_mask &
5806 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
5807 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
5808
5809 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
5810 bnx2x_cl45_write(bp, phy,
5811 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
5812 bnx2x_cl45_write(bp, phy,
5813 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
5814 } else {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005815 /*
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005816 * Since the 8727 has only single reset pin, need to set the 10G
5817 * registers although it is default
5818 */
5819 bnx2x_cl45_write(bp, phy,
5820 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
5821 0x0020);
5822 bnx2x_cl45_write(bp, phy,
5823 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
5824 bnx2x_cl45_write(bp, phy,
5825 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
5826 bnx2x_cl45_write(bp, phy,
5827 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
5828 0x0008);
5829 }
5830
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005831 /*
5832 * Set 2-wire transfer rate of SFP+ module EEPROM
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005833 * to 100Khz since some DACs(direct attached cables) do
5834 * not work at 400Khz.
5835 */
5836 bnx2x_cl45_write(bp, phy,
5837 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
5838 0xa001);
5839
5840 /* Set TX PreEmphasis if needed */
5841 if ((params->feature_config_flags &
5842 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
5843 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
5844 phy->tx_preemphasis[0],
5845 phy->tx_preemphasis[1]);
5846 bnx2x_cl45_write(bp, phy,
5847 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
5848 phy->tx_preemphasis[0]);
5849
5850 bnx2x_cl45_write(bp, phy,
5851 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
5852 phy->tx_preemphasis[1]);
5853 }
5854
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005855 /*
5856 * If TX Laser is controlled by GPIO_0, do not let PHY go into low
5857 * power mode, if TX Laser is disabled
5858 */
5859 tx_en_mode = REG_RD(bp, params->shmem_base +
5860 offsetof(struct shmem_region,
5861 dev_info.port_hw_config[params->port].sfp_ctrl))
5862 & PORT_HW_CFG_TX_LASER_MASK;
5863
5864 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
5865
5866 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
5867 bnx2x_cl45_read(bp, phy,
5868 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
5869 tmp2 |= 0x1000;
5870 tmp2 &= 0xFFEF;
5871 bnx2x_cl45_write(bp, phy,
5872 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
5873 }
5874
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005875 return 0;
5876}
5877
5878static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
5879 struct link_params *params)
5880{
5881 struct bnx2x *bp = params->bp;
5882 u16 mod_abs, rx_alarm_status;
5883 u32 val = REG_RD(bp, params->shmem_base +
5884 offsetof(struct shmem_region, dev_info.
5885 port_feature_config[params->port].
5886 config));
5887 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005888 MDIO_PMA_DEVAD,
5889 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005890 if (mod_abs & (1<<8)) {
5891
5892 /* Module is absent */
5893 DP(NETIF_MSG_LINK, "MOD_ABS indication "
5894 "show module is absent\n");
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00005895 phy->media_type = ETH_PHY_NOT_PRESENT;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005896 /*
5897 * 1. Set mod_abs to detect next module
5898 * presence event
5899 * 2. Set EDC off by setting OPTXLOS signal input to low
5900 * (bit 9).
5901 * When the EDC is off it locks onto a reference clock and
5902 * avoids becoming 'lost'.
5903 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005904 mod_abs &= ~(1<<8);
5905 if (!(phy->flags & FLAGS_NOC))
5906 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005907 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005908 MDIO_PMA_DEVAD,
5909 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005910
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005911 /*
5912 * Clear RX alarm since it stays up as long as
5913 * the mod_abs wasn't changed
5914 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005915 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005916 MDIO_PMA_DEVAD,
5917 MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005918
5919 } else {
5920 /* Module is present */
5921 DP(NETIF_MSG_LINK, "MOD_ABS indication "
5922 "show module is present\n");
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005923 /*
5924 * First disable transmitter, and if the module is ok, the
5925 * module_detection will enable it
5926 * 1. Set mod_abs to detect next module absent event ( bit 8)
5927 * 2. Restore the default polarity of the OPRXLOS signal and
5928 * this signal will then correctly indicate the presence or
5929 * absence of the Rx signal. (bit 9)
5930 */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005931 mod_abs |= (1<<8);
5932 if (!(phy->flags & FLAGS_NOC))
5933 mod_abs |= (1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005934 bnx2x_cl45_write(bp, phy,
5935 MDIO_PMA_DEVAD,
5936 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
5937
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005938 /*
5939 * Clear RX alarm since it stays up as long as the mod_abs
5940 * wasn't changed. This is need to be done before calling the
5941 * module detection, otherwise it will clear* the link update
5942 * alarm
5943 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005944 bnx2x_cl45_read(bp, phy,
5945 MDIO_PMA_DEVAD,
5946 MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
5947
5948
5949 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
5950 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00005951 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005952
5953 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
5954 bnx2x_sfp_module_detection(phy, params);
5955 else
5956 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
5957 }
5958
5959 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00005960 rx_alarm_status);
5961 /* No need to check link status in case of module plugged in/out */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005962}
5963
5964static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
5965 struct link_params *params,
5966 struct link_vars *vars)
5967
5968{
5969 struct bnx2x *bp = params->bp;
Yaniv Rosner27d02432011-05-31 21:27:48 +00005970 u8 link_up = 0, oc_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005971 u16 link_status = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005972 u16 rx_alarm_status, lasi_ctrl, val1;
5973
5974 /* If PHY is not initialized, do not check link status */
5975 bnx2x_cl45_read(bp, phy,
5976 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
5977 &lasi_ctrl);
5978 if (!lasi_ctrl)
5979 return 0;
5980
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00005981 /* Check the LASI on Rx */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005982 bnx2x_cl45_read(bp, phy,
5983 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM,
5984 &rx_alarm_status);
5985 vars->line_speed = 0;
5986 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
5987
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00005988 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_REG_TX_ALARM,
5989 MDIO_PMA_REG_TX_ALARM_CTRL);
5990
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005991 bnx2x_cl45_read(bp, phy,
5992 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
5993
5994 DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
5995
5996 /* Clear MSG-OUT */
5997 bnx2x_cl45_read(bp, phy,
5998 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
5999
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006000 /*
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006001 * If a module is present and there is need to check
6002 * for over current
6003 */
6004 if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
6005 /* Check over-current using 8727 GPIO0 input*/
6006 bnx2x_cl45_read(bp, phy,
6007 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
6008 &val1);
6009
6010 if ((val1 & (1<<8)) == 0) {
Yaniv Rosner27d02432011-05-31 21:27:48 +00006011 if (!CHIP_IS_E1x(bp))
6012 oc_port = BP_PATH(bp) + (params->port << 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006013 DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
Yaniv Rosner27d02432011-05-31 21:27:48 +00006014 " on port %d\n", oc_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006015 netdev_err(bp->dev, "Error: Power fault on Port %d has"
6016 " been detected and the power to "
6017 "that SFP+ module has been removed"
6018 " to prevent failure of the card."
6019 " Please remove the SFP+ module and"
6020 " restart the system to clear this"
6021 " error.\n",
Yaniv Rosner27d02432011-05-31 21:27:48 +00006022 oc_port);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006023 /* Disable all RX_ALARMs except for mod_abs */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006024 bnx2x_cl45_write(bp, phy,
6025 MDIO_PMA_DEVAD,
6026 MDIO_PMA_REG_RX_ALARM_CTRL, (1<<5));
6027
6028 bnx2x_cl45_read(bp, phy,
6029 MDIO_PMA_DEVAD,
6030 MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
6031 /* Wait for module_absent_event */
6032 val1 |= (1<<8);
6033 bnx2x_cl45_write(bp, phy,
6034 MDIO_PMA_DEVAD,
6035 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
6036 /* Clear RX alarm */
6037 bnx2x_cl45_read(bp, phy,
6038 MDIO_PMA_DEVAD,
6039 MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
6040 return 0;
6041 }
6042 } /* Over current check */
6043
6044 /* When module absent bit is set, check module */
6045 if (rx_alarm_status & (1<<5)) {
6046 bnx2x_8727_handle_mod_abs(phy, params);
6047 /* Enable all mod_abs and link detection bits */
6048 bnx2x_cl45_write(bp, phy,
6049 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
6050 ((1<<5) | (1<<2)));
6051 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006052 DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
6053 bnx2x_8727_specific_func(phy, params, ENABLE_TX);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006054 /* If transmitter is disabled, ignore false link up indication */
6055 bnx2x_cl45_read(bp, phy,
6056 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
6057 if (val1 & (1<<15)) {
6058 DP(NETIF_MSG_LINK, "Tx is disabled\n");
6059 return 0;
6060 }
6061
6062 bnx2x_cl45_read(bp, phy,
6063 MDIO_PMA_DEVAD,
6064 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
6065
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006066 /*
6067 * Bits 0..2 --> speed detected,
6068 * Bits 13..15--> link is down
6069 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006070 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
6071 link_up = 1;
6072 vars->line_speed = SPEED_10000;
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006073 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
6074 params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006075 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
6076 link_up = 1;
6077 vars->line_speed = SPEED_1000;
6078 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
6079 params->port);
6080 } else {
6081 link_up = 0;
6082 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
6083 params->port);
6084 }
Yaniv Rosnerc688fe22011-05-31 21:27:06 +00006085
6086 /* Capture 10G link fault. */
6087 if (vars->line_speed == SPEED_10000) {
6088 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
6089 MDIO_PMA_REG_TX_ALARM, &val1);
6090
6091 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
6092 MDIO_PMA_REG_TX_ALARM, &val1);
6093
6094 if (val1 & (1<<0)) {
6095 vars->fault_detected = 1;
6096 }
6097 }
6098
Yaniv Rosner791f18c2011-01-18 04:33:42 +00006099 if (link_up) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006100 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00006101 vars->duplex = DUPLEX_FULL;
6102 DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
6103 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006104
6105 if ((DUAL_MEDIA(params)) &&
6106 (phy->req_line_speed == SPEED_1000)) {
6107 bnx2x_cl45_read(bp, phy,
6108 MDIO_PMA_DEVAD,
6109 MDIO_PMA_REG_8727_PCS_GP, &val1);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006110 /*
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006111 * In case of dual-media board and 1G, power up the XAUI side,
6112 * otherwise power it down. For 10G it is done automatically
6113 */
6114 if (link_up)
6115 val1 &= ~(3<<10);
6116 else
6117 val1 |= (3<<10);
6118 bnx2x_cl45_write(bp, phy,
6119 MDIO_PMA_DEVAD,
6120 MDIO_PMA_REG_8727_PCS_GP, val1);
6121 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006122 return link_up;
6123}
6124
6125static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
6126 struct link_params *params)
6127{
6128 struct bnx2x *bp = params->bp;
6129 /* Disable Transmitter */
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00006130 bnx2x_sfp_set_transmitter(params, phy, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006131 /* Clear LASI */
6132 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0);
6133
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006134}
6135
6136/******************************************************************/
6137/* BCM8481/BCM84823/BCM84833 PHY SECTION */
6138/******************************************************************/
6139static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
6140 struct link_params *params)
6141{
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006142 u16 val, fw_ver1, fw_ver2, cnt;
6143 u8 port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006144 struct bnx2x *bp = params->bp;
6145
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006146 port = params->port;
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00006147
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006148 /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
6149 /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006150 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
6151 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
6152 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
6153 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
6154 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006155
6156 for (cnt = 0; cnt < 100; cnt++) {
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006157 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006158 if (val & 1)
6159 break;
6160 udelay(5);
6161 }
6162 if (cnt == 100) {
6163 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006164 bnx2x_save_spirom_version(bp, port, 0,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006165 phy->ver_addr);
6166 return;
6167 }
6168
6169
6170 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006171 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
6172 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
6173 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006174 for (cnt = 0; cnt < 100; cnt++) {
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006175 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006176 if (val & 1)
6177 break;
6178 udelay(5);
6179 }
6180 if (cnt == 100) {
6181 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006182 bnx2x_save_spirom_version(bp, port, 0,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006183 phy->ver_addr);
6184 return;
6185 }
6186
6187 /* lower 16 bits of the register SPI_FW_STATUS */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006188 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006189 /* upper 16 bits of register SPI_FW_STATUS */
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006190 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006191
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006192 bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006193 phy->ver_addr);
6194}
6195
6196static void bnx2x_848xx_set_led(struct bnx2x *bp,
6197 struct bnx2x_phy *phy)
6198{
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006199 u16 val;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006200
6201 /* PHYC_CTL_LED_CTL */
6202 bnx2x_cl45_read(bp, phy,
6203 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006204 MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006205 val &= 0xFE00;
6206 val |= 0x0092;
6207
6208 bnx2x_cl45_write(bp, phy,
6209 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006210 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006211
6212 bnx2x_cl45_write(bp, phy,
6213 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006214 MDIO_PMA_REG_8481_LED1_MASK,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006215 0x80);
6216
6217 bnx2x_cl45_write(bp, phy,
6218 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006219 MDIO_PMA_REG_8481_LED2_MASK,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006220 0x18);
6221
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00006222 /* Select activity source by Tx and Rx, as suggested by PHY AE */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006223 bnx2x_cl45_write(bp, phy,
6224 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006225 MDIO_PMA_REG_8481_LED3_MASK,
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00006226 0x0006);
6227
6228 /* Select the closest activity blink rate to that in 10/100/1000 */
6229 bnx2x_cl45_write(bp, phy,
6230 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006231 MDIO_PMA_REG_8481_LED3_BLINK,
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00006232 0);
6233
6234 bnx2x_cl45_read(bp, phy,
6235 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006236 MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00006237 val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
6238
6239 bnx2x_cl45_write(bp, phy,
6240 MDIO_PMA_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006241 MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006242
6243 /* 'Interrupt Mask' */
6244 bnx2x_cl45_write(bp, phy,
6245 MDIO_AN_DEVAD,
6246 0xFFFB, 0xFFFD);
6247}
6248
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006249static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
6250 struct link_params *params,
6251 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006252{
6253 struct bnx2x *bp = params->bp;
6254 u16 autoneg_val, an_1000_val, an_10_100_val;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006255 u16 tmp_req_line_speed;
6256
6257 tmp_req_line_speed = phy->req_line_speed;
6258 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
6259 if (phy->req_line_speed == SPEED_10000)
6260 phy->req_line_speed = SPEED_AUTO_NEG;
6261
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006262 /*
6263 * This phy uses the NIG latch mechanism since link indication
6264 * arrives through its LED4 and not via its LASI signal, so we
6265 * get steady signal instead of clear on read
6266 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006267 bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
6268 1 << NIG_LATCH_BC_ENABLE_MI_INT);
6269
6270 bnx2x_cl45_write(bp, phy,
6271 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
6272
6273 bnx2x_848xx_set_led(bp, phy);
6274
6275 /* set 1000 speed advertisement */
6276 bnx2x_cl45_read(bp, phy,
6277 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
6278 &an_1000_val);
6279
6280 bnx2x_ext_phy_set_pause(params, phy, vars);
6281 bnx2x_cl45_read(bp, phy,
6282 MDIO_AN_DEVAD,
6283 MDIO_AN_REG_8481_LEGACY_AN_ADV,
6284 &an_10_100_val);
6285 bnx2x_cl45_read(bp, phy,
6286 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
6287 &autoneg_val);
6288 /* Disable forced speed */
6289 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
6290 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
6291
6292 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
6293 (phy->speed_cap_mask &
6294 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
6295 (phy->req_line_speed == SPEED_1000)) {
6296 an_1000_val |= (1<<8);
6297 autoneg_val |= (1<<9 | 1<<12);
6298 if (phy->req_duplex == DUPLEX_FULL)
6299 an_1000_val |= (1<<9);
6300 DP(NETIF_MSG_LINK, "Advertising 1G\n");
6301 } else
6302 an_1000_val &= ~((1<<8) | (1<<9));
6303
6304 bnx2x_cl45_write(bp, phy,
6305 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
6306 an_1000_val);
6307
6308 /* set 10 speed advertisement */
6309 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
6310 (phy->speed_cap_mask &
6311 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
6312 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
6313 an_10_100_val |= (1<<7);
6314 /* Enable autoneg and restart autoneg for legacy speeds */
6315 autoneg_val |= (1<<9 | 1<<12);
6316
6317 if (phy->req_duplex == DUPLEX_FULL)
6318 an_10_100_val |= (1<<8);
6319 DP(NETIF_MSG_LINK, "Advertising 100M\n");
6320 }
6321 /* set 10 speed advertisement */
6322 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
6323 (phy->speed_cap_mask &
6324 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
6325 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
6326 an_10_100_val |= (1<<5);
6327 autoneg_val |= (1<<9 | 1<<12);
6328 if (phy->req_duplex == DUPLEX_FULL)
6329 an_10_100_val |= (1<<6);
6330 DP(NETIF_MSG_LINK, "Advertising 10M\n");
6331 }
6332
6333 /* Only 10/100 are allowed to work in FORCE mode */
6334 if (phy->req_line_speed == SPEED_100) {
6335 autoneg_val |= (1<<13);
6336 /* Enabled AUTO-MDIX when autoneg is disabled */
6337 bnx2x_cl45_write(bp, phy,
6338 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
6339 (1<<15 | 1<<9 | 7<<0));
6340 DP(NETIF_MSG_LINK, "Setting 100M force\n");
6341 }
6342 if (phy->req_line_speed == SPEED_10) {
6343 /* Enabled AUTO-MDIX when autoneg is disabled */
6344 bnx2x_cl45_write(bp, phy,
6345 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
6346 (1<<15 | 1<<9 | 7<<0));
6347 DP(NETIF_MSG_LINK, "Setting 10M force\n");
6348 }
6349
6350 bnx2x_cl45_write(bp, phy,
6351 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
6352 an_10_100_val);
6353
6354 if (phy->req_duplex == DUPLEX_FULL)
6355 autoneg_val |= (1<<8);
6356
6357 bnx2x_cl45_write(bp, phy,
6358 MDIO_AN_DEVAD,
6359 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
6360
6361 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
6362 (phy->speed_cap_mask &
6363 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
6364 (phy->req_line_speed == SPEED_10000)) {
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006365 DP(NETIF_MSG_LINK, "Advertising 10G\n");
6366 /* Restart autoneg for 10G*/
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006367
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00006368 bnx2x_cl45_write(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006369 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
6370 0x3200);
6371 } else if (phy->req_line_speed != SPEED_10 &&
6372 phy->req_line_speed != SPEED_100) {
6373 bnx2x_cl45_write(bp, phy,
6374 MDIO_AN_DEVAD,
6375 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
6376 1);
6377 }
6378 /* Save spirom version */
6379 bnx2x_save_848xx_spirom_version(phy, params);
6380
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006381 phy->req_line_speed = tmp_req_line_speed;
6382
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006383 return 0;
6384}
6385
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006386static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
6387 struct link_params *params,
6388 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006389{
6390 struct bnx2x *bp = params->bp;
6391 /* Restore normal power mode*/
6392 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006393 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006394
6395 /* HW reset */
6396 bnx2x_ext_phy_hw_reset(bp, params->port);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00006397 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006398
6399 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
6400 return bnx2x_848xx_cmn_config_init(phy, params, vars);
6401}
6402
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006403
6404#define PHY84833_HDSHK_WAIT 300
6405static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
6406 struct link_params *params,
6407 struct link_vars *vars)
6408{
6409 u32 idx;
6410 u16 val;
6411 u16 data = 0x01b1;
6412 struct bnx2x *bp = params->bp;
6413 /* Do pair swap */
6414
6415
6416 /* Write CMD_OPEN_OVERRIDE to STATUS reg */
6417 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
6418 MDIO_84833_TOP_CFG_SCRATCH_REG2,
6419 PHY84833_CMD_OPEN_OVERRIDE);
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_OPEN_FOR_CMDS)
6424 break;
6425 msleep(1);
6426 }
6427 if (idx >= PHY84833_HDSHK_WAIT) {
6428 DP(NETIF_MSG_LINK, "Pairswap: FW not ready.\n");
6429 return -EINVAL;
6430 }
6431
6432 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
6433 MDIO_84833_TOP_CFG_SCRATCH_REG4,
6434 data);
6435 /* Issue pair swap command */
6436 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
6437 MDIO_84833_TOP_CFG_SCRATCH_REG0,
6438 PHY84833_DIAG_CMD_PAIR_SWAP_CHANGE);
6439 for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
6440 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
6441 MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
6442 if ((val == PHY84833_CMD_COMPLETE_PASS) ||
6443 (val == PHY84833_CMD_COMPLETE_ERROR))
6444 break;
6445 msleep(1);
6446 }
6447 if ((idx >= PHY84833_HDSHK_WAIT) ||
6448 (val == PHY84833_CMD_COMPLETE_ERROR)) {
6449 DP(NETIF_MSG_LINK, "Pairswap: override failed.\n");
6450 return -EINVAL;
6451 }
6452 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
6453 MDIO_84833_TOP_CFG_SCRATCH_REG2,
6454 PHY84833_CMD_CLEAR_COMPLETE);
6455 DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data);
6456 return 0;
6457}
6458
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006459static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
6460 struct link_params *params,
6461 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006462{
6463 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00006464 u8 port, initialize = 1;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006465 u16 val;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006466 u16 temp;
Yaniv Rosner1bef68e2011-01-31 04:22:46 +00006467 u32 actual_phy_selection, cms_enable;
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006468 int rc = 0;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006469
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006470 msleep(1);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006471
6472 if (!(CHIP_IS_E1(bp)))
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00006473 port = BP_PATH(bp);
6474 else
6475 port = params->port;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006476
6477 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
6478 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
6479 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
6480 port);
6481 } else {
6482 bnx2x_cl45_write(bp, phy,
6483 MDIO_PMA_DEVAD,
6484 MDIO_PMA_REG_CTRL, 0x8000);
6485 }
6486
Yaniv Rosner6d870c32011-01-31 04:22:20 +00006487 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosner9bffeac2010-11-01 05:32:27 +00006488 /* Wait for GPHY to come out of reset */
6489 msleep(50);
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006490
6491 /* Bring PHY out of super isolate mode */
6492 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
6493 bnx2x_cl45_read(bp, phy,
6494 MDIO_CTL_DEVAD,
6495 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
6496 val &= ~MDIO_84833_SUPER_ISOLATE;
6497 bnx2x_cl45_write(bp, phy,
6498 MDIO_CTL_DEVAD,
6499 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
6500 bnx2x_wait_reset_complete(bp, phy, params);
6501 }
6502
6503 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
6504 bnx2x_84833_pair_swap_cfg(phy, params, vars);
6505
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006506 /*
6507 * BCM84823 requires that XGXS links up first @ 10G for normal behavior
6508 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006509 temp = vars->line_speed;
6510 vars->line_speed = SPEED_10000;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006511 bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
6512 bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006513 vars->line_speed = temp;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006514
6515 /* Set dual-media configuration according to configuration */
6516
6517 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006518 MDIO_CTL_REG_84823_MEDIA, &val);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006519 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
6520 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
6521 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
6522 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
6523 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
6524 val |= MDIO_CTL_REG_84823_CTRL_MAC_XFI |
6525 MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L;
6526
6527 actual_phy_selection = bnx2x_phy_selection(params);
6528
6529 switch (actual_phy_selection) {
6530 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
Lucas De Marchi25985ed2011-03-30 22:57:33 -03006531 /* Do nothing. Essentially this is like the priority copper */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006532 break;
6533 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
6534 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
6535 break;
6536 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
6537 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
6538 break;
6539 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
6540 /* Do nothing here. The first PHY won't be initialized at all */
6541 break;
6542 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
6543 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
6544 initialize = 0;
6545 break;
6546 }
6547 if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
6548 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
6549
6550 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006551 MDIO_CTL_REG_84823_MEDIA, val);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006552 DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
6553 params->multi_phy_config, val);
6554
6555 if (initialize)
6556 rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
6557 else
6558 bnx2x_save_848xx_spirom_version(phy, params);
Yaniv Rosner1bef68e2011-01-31 04:22:46 +00006559 cms_enable = REG_RD(bp, params->shmem_base +
6560 offsetof(struct shmem_region,
6561 dev_info.port_hw_config[params->port].default_cfg)) &
6562 PORT_HW_CFG_ENABLE_CMS_MASK;
6563
6564 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
6565 MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
6566 if (cms_enable)
6567 val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
6568 else
6569 val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
6570 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
6571 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
6572
6573
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006574 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006575}
6576
6577static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006578 struct link_params *params,
6579 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006580{
6581 struct bnx2x *bp = params->bp;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006582 u16 val, val1, val2;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006583 u8 link_up = 0;
6584
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00006585
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006586 /* Check 10G-BaseT link status */
6587 /* Check PMD signal ok */
6588 bnx2x_cl45_read(bp, phy,
6589 MDIO_AN_DEVAD, 0xFFFA, &val1);
6590 bnx2x_cl45_read(bp, phy,
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006591 MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006592 &val2);
6593 DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
6594
6595 /* Check link 10G */
6596 if (val2 & (1<<11)) {
6597 vars->line_speed = SPEED_10000;
Yaniv Rosner791f18c2011-01-18 04:33:42 +00006598 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006599 link_up = 1;
6600 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
6601 } else { /* Check Legacy speed link */
6602 u16 legacy_status, legacy_speed;
6603
6604 /* Enable expansion register 0x42 (Operation mode status) */
6605 bnx2x_cl45_write(bp, phy,
6606 MDIO_AN_DEVAD,
6607 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
6608
6609 /* Get legacy speed operation status */
6610 bnx2x_cl45_read(bp, phy,
6611 MDIO_AN_DEVAD,
6612 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
6613 &legacy_status);
6614
6615 DP(NETIF_MSG_LINK, "Legacy speed status"
6616 " = 0x%x\n", legacy_status);
6617 link_up = ((legacy_status & (1<<11)) == (1<<11));
6618 if (link_up) {
6619 legacy_speed = (legacy_status & (3<<9));
6620 if (legacy_speed == (0<<9))
6621 vars->line_speed = SPEED_10;
6622 else if (legacy_speed == (1<<9))
6623 vars->line_speed = SPEED_100;
6624 else if (legacy_speed == (2<<9))
6625 vars->line_speed = SPEED_1000;
6626 else /* Should not happen */
6627 vars->line_speed = 0;
6628
6629 if (legacy_status & (1<<8))
6630 vars->duplex = DUPLEX_FULL;
6631 else
6632 vars->duplex = DUPLEX_HALF;
6633
6634 DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
6635 " is_duplex_full= %d\n", vars->line_speed,
6636 (vars->duplex == DUPLEX_FULL));
6637 /* Check legacy speed AN resolution */
6638 bnx2x_cl45_read(bp, phy,
6639 MDIO_AN_DEVAD,
6640 MDIO_AN_REG_8481_LEGACY_MII_STATUS,
6641 &val);
6642 if (val & (1<<5))
6643 vars->link_status |=
6644 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
6645 bnx2x_cl45_read(bp, phy,
6646 MDIO_AN_DEVAD,
6647 MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
6648 &val);
6649 if ((val & (1<<0)) == 0)
6650 vars->link_status |=
6651 LINK_STATUS_PARALLEL_DETECTION_USED;
6652 }
6653 }
6654 if (link_up) {
6655 DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
6656 vars->line_speed);
6657 bnx2x_ext_phy_resolve_fc(phy, params, vars);
6658 }
6659
6660 return link_up;
6661}
6662
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006663
6664static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006665{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006666 int status = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006667 u32 spirom_ver;
6668 spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
6669 status = bnx2x_format_ver(spirom_ver, str, len);
6670 return status;
6671}
6672
6673static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
6674 struct link_params *params)
6675{
6676 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006677 MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006678 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006679 MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006680}
6681
6682static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
6683 struct link_params *params)
6684{
6685 bnx2x_cl45_write(params->bp, phy,
6686 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
6687 bnx2x_cl45_write(params->bp, phy,
6688 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
6689}
6690
6691static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
6692 struct link_params *params)
6693{
6694 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00006695 u8 port;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006696
6697 if (!(CHIP_IS_E1(bp)))
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00006698 port = BP_PATH(bp);
6699 else
6700 port = params->port;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006701
6702 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
6703 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
6704 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6705 port);
6706 } else {
6707 bnx2x_cl45_write(bp, phy,
6708 MDIO_PMA_DEVAD,
6709 MDIO_PMA_REG_CTRL, 0x800);
6710 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006711}
6712
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006713static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
6714 struct link_params *params, u8 mode)
6715{
6716 struct bnx2x *bp = params->bp;
6717 u16 val;
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006718 u8 port;
6719
6720 if (!(CHIP_IS_E1(bp)))
6721 port = BP_PATH(bp);
6722 else
6723 port = params->port;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006724
6725 switch (mode) {
6726 case LED_MODE_OFF:
6727
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006728 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006729
6730 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
6731 SHARED_HW_CFG_LED_EXTPHY1) {
6732
6733 /* Set LED masks */
6734 bnx2x_cl45_write(bp, phy,
6735 MDIO_PMA_DEVAD,
6736 MDIO_PMA_REG_8481_LED1_MASK,
6737 0x0);
6738
6739 bnx2x_cl45_write(bp, phy,
6740 MDIO_PMA_DEVAD,
6741 MDIO_PMA_REG_8481_LED2_MASK,
6742 0x0);
6743
6744 bnx2x_cl45_write(bp, phy,
6745 MDIO_PMA_DEVAD,
6746 MDIO_PMA_REG_8481_LED3_MASK,
6747 0x0);
6748
6749 bnx2x_cl45_write(bp, phy,
6750 MDIO_PMA_DEVAD,
6751 MDIO_PMA_REG_8481_LED5_MASK,
6752 0x0);
6753
6754 } else {
6755 bnx2x_cl45_write(bp, phy,
6756 MDIO_PMA_DEVAD,
6757 MDIO_PMA_REG_8481_LED1_MASK,
6758 0x0);
6759 }
6760 break;
6761 case LED_MODE_FRONT_PANEL_OFF:
6762
6763 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006764 port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006765
6766 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
6767 SHARED_HW_CFG_LED_EXTPHY1) {
6768
6769 /* Set LED masks */
6770 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006771 MDIO_PMA_DEVAD,
6772 MDIO_PMA_REG_8481_LED1_MASK,
6773 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006774
6775 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006776 MDIO_PMA_DEVAD,
6777 MDIO_PMA_REG_8481_LED2_MASK,
6778 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006779
6780 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006781 MDIO_PMA_DEVAD,
6782 MDIO_PMA_REG_8481_LED3_MASK,
6783 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006784
6785 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006786 MDIO_PMA_DEVAD,
6787 MDIO_PMA_REG_8481_LED5_MASK,
6788 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006789
6790 } else {
6791 bnx2x_cl45_write(bp, phy,
6792 MDIO_PMA_DEVAD,
6793 MDIO_PMA_REG_8481_LED1_MASK,
6794 0x0);
6795 }
6796 break;
6797 case LED_MODE_ON:
6798
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006799 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006800
6801 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
6802 SHARED_HW_CFG_LED_EXTPHY1) {
6803 /* Set control reg */
6804 bnx2x_cl45_read(bp, phy,
6805 MDIO_PMA_DEVAD,
6806 MDIO_PMA_REG_8481_LINK_SIGNAL,
6807 &val);
6808 val &= 0x8000;
6809 val |= 0x2492;
6810
6811 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006812 MDIO_PMA_DEVAD,
6813 MDIO_PMA_REG_8481_LINK_SIGNAL,
6814 val);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006815
6816 /* Set LED masks */
6817 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006818 MDIO_PMA_DEVAD,
6819 MDIO_PMA_REG_8481_LED1_MASK,
6820 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006821
6822 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006823 MDIO_PMA_DEVAD,
6824 MDIO_PMA_REG_8481_LED2_MASK,
6825 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006826
6827 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006828 MDIO_PMA_DEVAD,
6829 MDIO_PMA_REG_8481_LED3_MASK,
6830 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006831
6832 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006833 MDIO_PMA_DEVAD,
6834 MDIO_PMA_REG_8481_LED5_MASK,
6835 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006836 } else {
6837 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006838 MDIO_PMA_DEVAD,
6839 MDIO_PMA_REG_8481_LED1_MASK,
6840 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006841 }
6842 break;
6843
6844 case LED_MODE_OPER:
6845
Yaniv Rosnerbac27bd2011-05-31 21:28:10 +00006846 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006847
6848 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
6849 SHARED_HW_CFG_LED_EXTPHY1) {
6850
6851 /* Set control reg */
6852 bnx2x_cl45_read(bp, phy,
6853 MDIO_PMA_DEVAD,
6854 MDIO_PMA_REG_8481_LINK_SIGNAL,
6855 &val);
6856
6857 if (!((val &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006858 MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
6859 >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006860 DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006861 bnx2x_cl45_write(bp, phy,
6862 MDIO_PMA_DEVAD,
6863 MDIO_PMA_REG_8481_LINK_SIGNAL,
6864 0xa492);
6865 }
6866
6867 /* Set LED masks */
6868 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006869 MDIO_PMA_DEVAD,
6870 MDIO_PMA_REG_8481_LED1_MASK,
6871 0x10);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006872
6873 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006874 MDIO_PMA_DEVAD,
6875 MDIO_PMA_REG_8481_LED2_MASK,
6876 0x80);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006877
6878 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006879 MDIO_PMA_DEVAD,
6880 MDIO_PMA_REG_8481_LED3_MASK,
6881 0x98);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006882
6883 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006884 MDIO_PMA_DEVAD,
6885 MDIO_PMA_REG_8481_LED5_MASK,
6886 0x40);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006887
6888 } else {
6889 bnx2x_cl45_write(bp, phy,
6890 MDIO_PMA_DEVAD,
6891 MDIO_PMA_REG_8481_LED1_MASK,
6892 0x80);
Yaniv Rosner53eda062011-01-30 04:14:55 +00006893
6894 /* Tell LED3 to blink on source */
6895 bnx2x_cl45_read(bp, phy,
6896 MDIO_PMA_DEVAD,
6897 MDIO_PMA_REG_8481_LINK_SIGNAL,
6898 &val);
6899 val &= ~(7<<6);
6900 val |= (1<<6); /* A83B[8:6]= 1 */
6901 bnx2x_cl45_write(bp, phy,
6902 MDIO_PMA_DEVAD,
6903 MDIO_PMA_REG_8481_LINK_SIGNAL,
6904 val);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006905 }
6906 break;
6907 }
6908}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006909/******************************************************************/
6910/* SFX7101 PHY SECTION */
6911/******************************************************************/
6912static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
6913 struct link_params *params)
6914{
6915 struct bnx2x *bp = params->bp;
6916 /* SFX7101_XGXS_TEST1 */
6917 bnx2x_cl45_write(bp, phy,
6918 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
6919}
6920
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006921static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
6922 struct link_params *params,
6923 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006924{
6925 u16 fw_ver1, fw_ver2, val;
6926 struct bnx2x *bp = params->bp;
6927 DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
6928
6929 /* Restore normal power mode*/
6930 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006931 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006932 /* HW reset */
6933 bnx2x_ext_phy_hw_reset(bp, params->port);
Yaniv Rosner6d870c32011-01-31 04:22:20 +00006934 bnx2x_wait_reset_complete(bp, phy, params);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006935
6936 bnx2x_cl45_write(bp, phy,
6937 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x1);
6938 DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
6939 bnx2x_cl45_write(bp, phy,
6940 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
6941
6942 bnx2x_ext_phy_set_pause(params, phy, vars);
6943 /* Restart autoneg */
6944 bnx2x_cl45_read(bp, phy,
6945 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
6946 val |= 0x200;
6947 bnx2x_cl45_write(bp, phy,
6948 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
6949
6950 /* Save spirom version */
6951 bnx2x_cl45_read(bp, phy,
6952 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
6953
6954 bnx2x_cl45_read(bp, phy,
6955 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
6956 bnx2x_save_spirom_version(bp, params->port,
6957 (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
6958 return 0;
6959}
6960
6961static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
6962 struct link_params *params,
6963 struct link_vars *vars)
6964{
6965 struct bnx2x *bp = params->bp;
6966 u8 link_up;
6967 u16 val1, val2;
6968 bnx2x_cl45_read(bp, phy,
6969 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
6970 bnx2x_cl45_read(bp, phy,
6971 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
6972 DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
6973 val2, val1);
6974 bnx2x_cl45_read(bp, phy,
6975 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
6976 bnx2x_cl45_read(bp, phy,
6977 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
6978 DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
6979 val2, val1);
6980 link_up = ((val1 & 4) == 4);
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00006981 /* if link is up print the AN outcome of the SFX7101 PHY */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006982 if (link_up) {
6983 bnx2x_cl45_read(bp, phy,
6984 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
6985 &val2);
6986 vars->line_speed = SPEED_10000;
Yaniv Rosner791f18c2011-01-18 04:33:42 +00006987 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006988 DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
6989 val2, (val2 & (1<<14)));
6990 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
6991 bnx2x_ext_phy_resolve_fc(phy, params, vars);
6992 }
6993 return link_up;
6994}
6995
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00006996static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006997{
6998 if (*len < 5)
6999 return -EINVAL;
7000 str[0] = (spirom_ver & 0xFF);
7001 str[1] = (spirom_ver & 0xFF00) >> 8;
7002 str[2] = (spirom_ver & 0xFF0000) >> 16;
7003 str[3] = (spirom_ver & 0xFF000000) >> 24;
7004 str[4] = '\0';
7005 *len -= 5;
7006 return 0;
7007}
7008
7009void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
7010{
7011 u16 val, cnt;
7012
7013 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007014 MDIO_PMA_DEVAD,
7015 MDIO_PMA_REG_7101_RESET, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007016
7017 for (cnt = 0; cnt < 10; cnt++) {
7018 msleep(50);
7019 /* Writes a self-clearing reset */
7020 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007021 MDIO_PMA_DEVAD,
7022 MDIO_PMA_REG_7101_RESET,
7023 (val | (1<<15)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007024 /* Wait for clear */
7025 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007026 MDIO_PMA_DEVAD,
7027 MDIO_PMA_REG_7101_RESET, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007028
7029 if ((val & (1<<15)) == 0)
7030 break;
7031 }
7032}
7033
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007034static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
7035 struct link_params *params) {
7036 /* Low power mode is controlled by GPIO 2 */
7037 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007038 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007039 /* The PHY reset is controlled by GPIO 1 */
7040 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007041 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007042}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007043
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007044static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
7045 struct link_params *params, u8 mode)
7046{
7047 u16 val = 0;
7048 struct bnx2x *bp = params->bp;
7049 switch (mode) {
7050 case LED_MODE_FRONT_PANEL_OFF:
7051 case LED_MODE_OFF:
7052 val = 2;
7053 break;
7054 case LED_MODE_ON:
7055 val = 1;
7056 break;
7057 case LED_MODE_OPER:
7058 val = 0;
7059 break;
7060 }
7061 bnx2x_cl45_write(bp, phy,
7062 MDIO_PMA_DEVAD,
7063 MDIO_PMA_REG_7107_LINK_LED_CNTL,
7064 val);
7065}
7066
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007067/******************************************************************/
7068/* STATIC PHY DECLARATION */
7069/******************************************************************/
7070
7071static struct bnx2x_phy phy_null = {
7072 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
7073 .addr = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007074 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007075 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007076 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7077 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7078 .mdio_ctrl = 0,
7079 .supported = 0,
7080 .media_type = ETH_PHY_NOT_PRESENT,
7081 .ver_addr = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007082 .req_flow_ctrl = 0,
7083 .req_line_speed = 0,
7084 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007085 .req_duplex = 0,
7086 .rsrv = 0,
7087 .config_init = (config_init_t)NULL,
7088 .read_status = (read_status_t)NULL,
7089 .link_reset = (link_reset_t)NULL,
7090 .config_loopback = (config_loopback_t)NULL,
7091 .format_fw_ver = (format_fw_ver_t)NULL,
7092 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007093 .set_link_led = (set_link_led_t)NULL,
7094 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007095};
7096
7097static struct bnx2x_phy phy_serdes = {
7098 .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
7099 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007100 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007101 .flags = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007102 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7103 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7104 .mdio_ctrl = 0,
7105 .supported = (SUPPORTED_10baseT_Half |
7106 SUPPORTED_10baseT_Full |
7107 SUPPORTED_100baseT_Half |
7108 SUPPORTED_100baseT_Full |
7109 SUPPORTED_1000baseT_Full |
7110 SUPPORTED_2500baseX_Full |
7111 SUPPORTED_TP |
7112 SUPPORTED_Autoneg |
7113 SUPPORTED_Pause |
7114 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007115 .media_type = ETH_PHY_BASE_T,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007116 .ver_addr = 0,
7117 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007118 .req_line_speed = 0,
7119 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007120 .req_duplex = 0,
7121 .rsrv = 0,
7122 .config_init = (config_init_t)bnx2x_init_serdes,
7123 .read_status = (read_status_t)bnx2x_link_settings_status,
7124 .link_reset = (link_reset_t)bnx2x_int_link_reset,
7125 .config_loopback = (config_loopback_t)NULL,
7126 .format_fw_ver = (format_fw_ver_t)NULL,
7127 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007128 .set_link_led = (set_link_led_t)NULL,
7129 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007130};
7131
7132static struct bnx2x_phy phy_xgxs = {
7133 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
7134 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007135 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007136 .flags = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007137 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7138 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7139 .mdio_ctrl = 0,
7140 .supported = (SUPPORTED_10baseT_Half |
7141 SUPPORTED_10baseT_Full |
7142 SUPPORTED_100baseT_Half |
7143 SUPPORTED_100baseT_Full |
7144 SUPPORTED_1000baseT_Full |
7145 SUPPORTED_2500baseX_Full |
7146 SUPPORTED_10000baseT_Full |
7147 SUPPORTED_FIBRE |
7148 SUPPORTED_Autoneg |
7149 SUPPORTED_Pause |
7150 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007151 .media_type = ETH_PHY_CX4,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007152 .ver_addr = 0,
7153 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007154 .req_line_speed = 0,
7155 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007156 .req_duplex = 0,
7157 .rsrv = 0,
7158 .config_init = (config_init_t)bnx2x_init_xgxs,
7159 .read_status = (read_status_t)bnx2x_link_settings_status,
7160 .link_reset = (link_reset_t)bnx2x_int_link_reset,
7161 .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
7162 .format_fw_ver = (format_fw_ver_t)NULL,
7163 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007164 .set_link_led = (set_link_led_t)NULL,
7165 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007166};
7167
7168static struct bnx2x_phy phy_7101 = {
7169 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
7170 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007171 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007172 .flags = FLAGS_FAN_FAILURE_DET_REQ,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007173 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7174 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7175 .mdio_ctrl = 0,
7176 .supported = (SUPPORTED_10000baseT_Full |
7177 SUPPORTED_TP |
7178 SUPPORTED_Autoneg |
7179 SUPPORTED_Pause |
7180 SUPPORTED_Asym_Pause),
7181 .media_type = ETH_PHY_BASE_T,
7182 .ver_addr = 0,
7183 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007184 .req_line_speed = 0,
7185 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007186 .req_duplex = 0,
7187 .rsrv = 0,
7188 .config_init = (config_init_t)bnx2x_7101_config_init,
7189 .read_status = (read_status_t)bnx2x_7101_read_status,
7190 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
7191 .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
7192 .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
7193 .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007194 .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007195 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007196};
7197static struct bnx2x_phy phy_8073 = {
7198 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
7199 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007200 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007201 .flags = FLAGS_HW_LOCK_REQUIRED,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007202 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7203 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7204 .mdio_ctrl = 0,
7205 .supported = (SUPPORTED_10000baseT_Full |
7206 SUPPORTED_2500baseX_Full |
7207 SUPPORTED_1000baseT_Full |
7208 SUPPORTED_FIBRE |
7209 SUPPORTED_Autoneg |
7210 SUPPORTED_Pause |
7211 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007212 .media_type = ETH_PHY_KR,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007213 .ver_addr = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007214 .req_flow_ctrl = 0,
7215 .req_line_speed = 0,
7216 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007217 .req_duplex = 0,
7218 .rsrv = 0,
Yaniv Rosner62b29a52010-09-07 11:40:58 +00007219 .config_init = (config_init_t)bnx2x_8073_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007220 .read_status = (read_status_t)bnx2x_8073_read_status,
7221 .link_reset = (link_reset_t)bnx2x_8073_link_reset,
7222 .config_loopback = (config_loopback_t)NULL,
7223 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
7224 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007225 .set_link_led = (set_link_led_t)NULL,
7226 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007227};
7228static struct bnx2x_phy phy_8705 = {
7229 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
7230 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007231 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007232 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007233 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7234 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7235 .mdio_ctrl = 0,
7236 .supported = (SUPPORTED_10000baseT_Full |
7237 SUPPORTED_FIBRE |
7238 SUPPORTED_Pause |
7239 SUPPORTED_Asym_Pause),
7240 .media_type = ETH_PHY_XFP_FIBER,
7241 .ver_addr = 0,
7242 .req_flow_ctrl = 0,
7243 .req_line_speed = 0,
7244 .speed_cap_mask = 0,
7245 .req_duplex = 0,
7246 .rsrv = 0,
7247 .config_init = (config_init_t)bnx2x_8705_config_init,
7248 .read_status = (read_status_t)bnx2x_8705_read_status,
7249 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
7250 .config_loopback = (config_loopback_t)NULL,
7251 .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
7252 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007253 .set_link_led = (set_link_led_t)NULL,
7254 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007255};
7256static struct bnx2x_phy phy_8706 = {
7257 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
7258 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007259 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007260 .flags = FLAGS_INIT_XGXS_FIRST,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007261 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7262 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7263 .mdio_ctrl = 0,
7264 .supported = (SUPPORTED_10000baseT_Full |
7265 SUPPORTED_1000baseT_Full |
7266 SUPPORTED_FIBRE |
7267 SUPPORTED_Pause |
7268 SUPPORTED_Asym_Pause),
7269 .media_type = ETH_PHY_SFP_FIBER,
7270 .ver_addr = 0,
7271 .req_flow_ctrl = 0,
7272 .req_line_speed = 0,
7273 .speed_cap_mask = 0,
7274 .req_duplex = 0,
7275 .rsrv = 0,
7276 .config_init = (config_init_t)bnx2x_8706_config_init,
7277 .read_status = (read_status_t)bnx2x_8706_read_status,
7278 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
7279 .config_loopback = (config_loopback_t)NULL,
7280 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
7281 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007282 .set_link_led = (set_link_led_t)NULL,
7283 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007284};
7285
7286static struct bnx2x_phy phy_8726 = {
7287 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
7288 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007289 .def_md_devad = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007290 .flags = (FLAGS_HW_LOCK_REQUIRED |
7291 FLAGS_INIT_XGXS_FIRST),
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007292 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7293 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7294 .mdio_ctrl = 0,
7295 .supported = (SUPPORTED_10000baseT_Full |
7296 SUPPORTED_1000baseT_Full |
7297 SUPPORTED_Autoneg |
7298 SUPPORTED_FIBRE |
7299 SUPPORTED_Pause |
7300 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007301 .media_type = ETH_PHY_NOT_PRESENT,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007302 .ver_addr = 0,
7303 .req_flow_ctrl = 0,
7304 .req_line_speed = 0,
7305 .speed_cap_mask = 0,
7306 .req_duplex = 0,
7307 .rsrv = 0,
7308 .config_init = (config_init_t)bnx2x_8726_config_init,
7309 .read_status = (read_status_t)bnx2x_8726_read_status,
7310 .link_reset = (link_reset_t)bnx2x_8726_link_reset,
7311 .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
7312 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
7313 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007314 .set_link_led = (set_link_led_t)NULL,
7315 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007316};
7317
7318static struct bnx2x_phy phy_8727 = {
7319 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
7320 .addr = 0xff,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007321 .def_md_devad = 0,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007322 .flags = FLAGS_FAN_FAILURE_DET_REQ,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007323 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7324 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7325 .mdio_ctrl = 0,
7326 .supported = (SUPPORTED_10000baseT_Full |
7327 SUPPORTED_1000baseT_Full |
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007328 SUPPORTED_FIBRE |
7329 SUPPORTED_Pause |
7330 SUPPORTED_Asym_Pause),
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007331 .media_type = ETH_PHY_NOT_PRESENT,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007332 .ver_addr = 0,
7333 .req_flow_ctrl = 0,
7334 .req_line_speed = 0,
7335 .speed_cap_mask = 0,
7336 .req_duplex = 0,
7337 .rsrv = 0,
7338 .config_init = (config_init_t)bnx2x_8727_config_init,
7339 .read_status = (read_status_t)bnx2x_8727_read_status,
7340 .link_reset = (link_reset_t)bnx2x_8727_link_reset,
7341 .config_loopback = (config_loopback_t)NULL,
7342 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
7343 .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007344 .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007345 .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007346};
7347static struct bnx2x_phy phy_8481 = {
7348 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
7349 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007350 .def_md_devad = 0,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007351 .flags = FLAGS_FAN_FAILURE_DET_REQ |
7352 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007353 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7354 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7355 .mdio_ctrl = 0,
7356 .supported = (SUPPORTED_10baseT_Half |
7357 SUPPORTED_10baseT_Full |
7358 SUPPORTED_100baseT_Half |
7359 SUPPORTED_100baseT_Full |
7360 SUPPORTED_1000baseT_Full |
7361 SUPPORTED_10000baseT_Full |
7362 SUPPORTED_TP |
7363 SUPPORTED_Autoneg |
7364 SUPPORTED_Pause |
7365 SUPPORTED_Asym_Pause),
7366 .media_type = ETH_PHY_BASE_T,
7367 .ver_addr = 0,
7368 .req_flow_ctrl = 0,
7369 .req_line_speed = 0,
7370 .speed_cap_mask = 0,
7371 .req_duplex = 0,
7372 .rsrv = 0,
7373 .config_init = (config_init_t)bnx2x_8481_config_init,
7374 .read_status = (read_status_t)bnx2x_848xx_read_status,
7375 .link_reset = (link_reset_t)bnx2x_8481_link_reset,
7376 .config_loopback = (config_loopback_t)NULL,
7377 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
7378 .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007379 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007380 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007381};
7382
7383static struct bnx2x_phy phy_84823 = {
7384 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
7385 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007386 .def_md_devad = 0,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007387 .flags = FLAGS_FAN_FAILURE_DET_REQ |
7388 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007389 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7390 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7391 .mdio_ctrl = 0,
7392 .supported = (SUPPORTED_10baseT_Half |
7393 SUPPORTED_10baseT_Full |
7394 SUPPORTED_100baseT_Half |
7395 SUPPORTED_100baseT_Full |
7396 SUPPORTED_1000baseT_Full |
7397 SUPPORTED_10000baseT_Full |
7398 SUPPORTED_TP |
7399 SUPPORTED_Autoneg |
7400 SUPPORTED_Pause |
7401 SUPPORTED_Asym_Pause),
7402 .media_type = ETH_PHY_BASE_T,
7403 .ver_addr = 0,
7404 .req_flow_ctrl = 0,
7405 .req_line_speed = 0,
7406 .speed_cap_mask = 0,
7407 .req_duplex = 0,
7408 .rsrv = 0,
7409 .config_init = (config_init_t)bnx2x_848x3_config_init,
7410 .read_status = (read_status_t)bnx2x_848xx_read_status,
7411 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
7412 .config_loopback = (config_loopback_t)NULL,
7413 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
7414 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007415 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007416 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007417};
7418
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00007419static struct bnx2x_phy phy_84833 = {
7420 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
7421 .addr = 0xff,
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007422 .def_md_devad = 0,
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00007423 .flags = FLAGS_FAN_FAILURE_DET_REQ |
7424 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00007425 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7426 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
7427 .mdio_ctrl = 0,
7428 .supported = (SUPPORTED_10baseT_Half |
7429 SUPPORTED_10baseT_Full |
7430 SUPPORTED_100baseT_Half |
7431 SUPPORTED_100baseT_Full |
7432 SUPPORTED_1000baseT_Full |
7433 SUPPORTED_10000baseT_Full |
7434 SUPPORTED_TP |
7435 SUPPORTED_Autoneg |
7436 SUPPORTED_Pause |
7437 SUPPORTED_Asym_Pause),
7438 .media_type = ETH_PHY_BASE_T,
7439 .ver_addr = 0,
7440 .req_flow_ctrl = 0,
7441 .req_line_speed = 0,
7442 .speed_cap_mask = 0,
7443 .req_duplex = 0,
7444 .rsrv = 0,
7445 .config_init = (config_init_t)bnx2x_848x3_config_init,
7446 .read_status = (read_status_t)bnx2x_848xx_read_status,
7447 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
7448 .config_loopback = (config_loopback_t)NULL,
7449 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
7450 .hw_reset = (hw_reset_t)NULL,
7451 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
7452 .phy_specific_func = (phy_specific_func_t)NULL
7453};
7454
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007455/*****************************************************************/
7456/* */
7457/* Populate the phy according. Main function: bnx2x_populate_phy */
7458/* */
7459/*****************************************************************/
7460
7461static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
7462 struct bnx2x_phy *phy, u8 port,
7463 u8 phy_index)
7464{
7465 /* Get the 4 lanes xgxs config rx and tx */
7466 u32 rx = 0, tx = 0, i;
7467 for (i = 0; i < 2; i++) {
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007468 /*
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007469 * INT_PHY and EXT_PHY1 share the same value location in the
7470 * shmem. When num_phys is greater than 1, than this value
7471 * applies only to EXT_PHY1
7472 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007473 if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
7474 rx = REG_RD(bp, shmem_base +
7475 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007476 dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007477
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007478 tx = REG_RD(bp, shmem_base +
7479 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007480 dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007481 } else {
7482 rx = REG_RD(bp, shmem_base +
7483 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007484 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007485
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007486 tx = REG_RD(bp, shmem_base +
7487 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007488 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007489 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007490
7491 phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
7492 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
7493
7494 phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
7495 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
7496 }
7497}
7498
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007499static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
7500 u8 phy_index, u8 port)
7501{
7502 u32 ext_phy_config = 0;
7503 switch (phy_index) {
7504 case EXT_PHY1:
7505 ext_phy_config = REG_RD(bp, shmem_base +
7506 offsetof(struct shmem_region,
7507 dev_info.port_hw_config[port].external_phy_config));
7508 break;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007509 case EXT_PHY2:
7510 ext_phy_config = REG_RD(bp, shmem_base +
7511 offsetof(struct shmem_region,
7512 dev_info.port_hw_config[port].external_phy_config2));
7513 break;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007514 default:
7515 DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
7516 return -EINVAL;
7517 }
7518
7519 return ext_phy_config;
7520}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007521static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
7522 struct bnx2x_phy *phy)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007523{
7524 u32 phy_addr;
7525 u32 chip_id;
7526 u32 switch_cfg = (REG_RD(bp, shmem_base +
7527 offsetof(struct shmem_region,
7528 dev_info.port_feature_config[port].link_config)) &
7529 PORT_FEATURE_CONNECTED_SWITCH_MASK);
7530 chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
7531 switch (switch_cfg) {
7532 case SWITCH_CFG_1G:
7533 phy_addr = REG_RD(bp,
7534 NIG_REG_SERDES0_CTRL_PHY_ADDR +
7535 port * 0x10);
7536 *phy = phy_serdes;
7537 break;
7538 case SWITCH_CFG_10G:
7539 phy_addr = REG_RD(bp,
7540 NIG_REG_XGXS0_CTRL_PHY_ADDR +
7541 port * 0x18);
7542 *phy = phy_xgxs;
7543 break;
7544 default:
7545 DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
7546 return -EINVAL;
7547 }
7548 phy->addr = (u8)phy_addr;
7549 phy->mdio_ctrl = bnx2x_get_emac_base(bp,
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007550 SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007551 port);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007552 if (CHIP_IS_E2(bp))
7553 phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
7554 else
7555 phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007556
7557 DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
7558 port, phy->addr, phy->mdio_ctrl);
7559
7560 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
7561 return 0;
7562}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007563
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007564static int bnx2x_populate_ext_phy(struct bnx2x *bp,
7565 u8 phy_index,
7566 u32 shmem_base,
7567 u32 shmem2_base,
7568 u8 port,
7569 struct bnx2x_phy *phy)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007570{
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007571 u32 ext_phy_config, phy_type, config2;
7572 u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007573 ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
7574 phy_index, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007575 phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
7576 /* Select the phy type */
7577 switch (phy_type) {
7578 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007579 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007580 *phy = phy_8073;
7581 break;
7582 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7583 *phy = phy_8705;
7584 break;
7585 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7586 *phy = phy_8706;
7587 break;
7588 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007589 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007590 *phy = phy_8726;
7591 break;
7592 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
7593 /* BCM8727_NOC => BCM8727 no over current */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007594 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007595 *phy = phy_8727;
7596 phy->flags |= FLAGS_NOC;
7597 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00007598 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007599 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007600 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007601 *phy = phy_8727;
7602 break;
7603 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
7604 *phy = phy_8481;
7605 break;
7606 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
7607 *phy = phy_84823;
7608 break;
Yaniv Rosnerc87bca12011-01-31 04:22:41 +00007609 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
7610 *phy = phy_84833;
7611 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007612 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7613 *phy = phy_7101;
7614 break;
7615 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7616 *phy = phy_null;
7617 return -EINVAL;
7618 default:
7619 *phy = phy_null;
7620 return 0;
7621 }
7622
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007623 phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007624 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00007625
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007626 /*
7627 * The shmem address of the phy version is located on different
7628 * structures. In case this structure is too old, do not set
7629 * the address
7630 */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007631 config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
7632 dev_info.shared_hw_config.config2));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007633 if (phy_index == EXT_PHY1) {
7634 phy->ver_addr = shmem_base + offsetof(struct shmem_region,
7635 port_mb[port].ext_phy_fw_version);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007636
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007637 /* Check specific mdc mdio settings */
7638 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
7639 mdc_mdio_access = config2 &
7640 SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007641 } else {
7642 u32 size = REG_RD(bp, shmem2_base);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007643
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007644 if (size >
7645 offsetof(struct shmem2_region, ext_phy_fw_version2)) {
7646 phy->ver_addr = shmem2_base +
7647 offsetof(struct shmem2_region,
7648 ext_phy_fw_version2[port]);
7649 }
7650 /* Check specific mdc mdio settings */
7651 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
7652 mdc_mdio_access = (config2 &
7653 SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
7654 (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
7655 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
7656 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007657 phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
7658
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00007659 /*
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007660 * In case mdc/mdio_access of the external phy is different than the
7661 * mdc/mdio access of the XGXS, a HW lock must be taken in each access
7662 * to prevent one port interfere with another port's CL45 operations.
7663 */
7664 if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
7665 phy->flags |= FLAGS_HW_LOCK_REQUIRED;
7666 DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
7667 phy_type, port, phy_index);
7668 DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
7669 phy->addr, phy->mdio_ctrl);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007670 return 0;
7671}
7672
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007673static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
7674 u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007675{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007676 int status = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007677 phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
7678 if (phy_index == INT_PHY)
7679 return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007680 status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007681 port, phy);
7682 return status;
7683}
7684
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007685static void bnx2x_phy_def_cfg(struct link_params *params,
7686 struct bnx2x_phy *phy,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007687 u8 phy_index)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007688{
7689 struct bnx2x *bp = params->bp;
7690 u32 link_config;
7691 /* Populate the default phy configuration for MF mode */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007692 if (phy_index == EXT_PHY2) {
7693 link_config = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007694 offsetof(struct shmem_region, dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007695 port_feature_config[params->port].link_config2));
7696 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007697 offsetof(struct shmem_region,
7698 dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007699 port_hw_config[params->port].speed_capability_mask2));
7700 } else {
7701 link_config = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007702 offsetof(struct shmem_region, dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007703 port_feature_config[params->port].link_config));
7704 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007705 offsetof(struct shmem_region,
7706 dev_info.
7707 port_hw_config[params->port].speed_capability_mask));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007708 }
7709 DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
7710 " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007711
7712 phy->req_duplex = DUPLEX_FULL;
7713 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
7714 case PORT_FEATURE_LINK_SPEED_10M_HALF:
7715 phy->req_duplex = DUPLEX_HALF;
7716 case PORT_FEATURE_LINK_SPEED_10M_FULL:
7717 phy->req_line_speed = SPEED_10;
7718 break;
7719 case PORT_FEATURE_LINK_SPEED_100M_HALF:
7720 phy->req_duplex = DUPLEX_HALF;
7721 case PORT_FEATURE_LINK_SPEED_100M_FULL:
7722 phy->req_line_speed = SPEED_100;
7723 break;
7724 case PORT_FEATURE_LINK_SPEED_1G:
7725 phy->req_line_speed = SPEED_1000;
7726 break;
7727 case PORT_FEATURE_LINK_SPEED_2_5G:
7728 phy->req_line_speed = SPEED_2500;
7729 break;
7730 case PORT_FEATURE_LINK_SPEED_10G_CX4:
7731 phy->req_line_speed = SPEED_10000;
7732 break;
7733 default:
7734 phy->req_line_speed = SPEED_AUTO_NEG;
7735 break;
7736 }
7737
7738 switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
7739 case PORT_FEATURE_FLOW_CONTROL_AUTO:
7740 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
7741 break;
7742 case PORT_FEATURE_FLOW_CONTROL_TX:
7743 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
7744 break;
7745 case PORT_FEATURE_FLOW_CONTROL_RX:
7746 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
7747 break;
7748 case PORT_FEATURE_FLOW_CONTROL_BOTH:
7749 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
7750 break;
7751 default:
7752 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
7753 break;
7754 }
7755}
7756
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007757u32 bnx2x_phy_selection(struct link_params *params)
7758{
7759 u32 phy_config_swapped, prio_cfg;
7760 u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
7761
7762 phy_config_swapped = params->multi_phy_config &
7763 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
7764
7765 prio_cfg = params->multi_phy_config &
7766 PORT_HW_CFG_PHY_SELECTION_MASK;
7767
7768 if (phy_config_swapped) {
7769 switch (prio_cfg) {
7770 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
7771 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
7772 break;
7773 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
7774 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
7775 break;
7776 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
7777 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
7778 break;
7779 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
7780 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
7781 break;
7782 }
7783 } else
7784 return_cfg = prio_cfg;
7785
7786 return return_cfg;
7787}
7788
7789
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007790int bnx2x_phy_probe(struct link_params *params)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007791{
7792 u8 phy_index, actual_phy_idx, link_cfg_idx;
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007793 u32 phy_config_swapped, sync_offset, media_types;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007794 struct bnx2x *bp = params->bp;
7795 struct bnx2x_phy *phy;
7796 params->num_phys = 0;
7797 DP(NETIF_MSG_LINK, "Begin phy probe\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007798 phy_config_swapped = params->multi_phy_config &
7799 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007800
7801 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
7802 phy_index++) {
7803 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
7804 actual_phy_idx = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007805 if (phy_config_swapped) {
7806 if (phy_index == EXT_PHY1)
7807 actual_phy_idx = EXT_PHY2;
7808 else if (phy_index == EXT_PHY2)
7809 actual_phy_idx = EXT_PHY1;
7810 }
7811 DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
7812 " actual_phy_idx %x\n", phy_config_swapped,
7813 phy_index, actual_phy_idx);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007814 phy = &params->phy[actual_phy_idx];
7815 if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007816 params->shmem2_base, params->port,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007817 phy) != 0) {
7818 params->num_phys = 0;
7819 DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
7820 phy_index);
7821 for (phy_index = INT_PHY;
7822 phy_index < MAX_PHYS;
7823 phy_index++)
7824 *phy = phy_null;
7825 return -EINVAL;
7826 }
7827 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
7828 break;
7829
Yaniv Rosner1ac9e422011-05-31 21:26:11 +00007830 sync_offset = params->shmem_base +
7831 offsetof(struct shmem_region,
7832 dev_info.port_hw_config[params->port].media_type);
7833 media_types = REG_RD(bp, sync_offset);
7834
7835 /*
7836 * Update media type for non-PMF sync only for the first time
7837 * In case the media type changes afterwards, it will be updated
7838 * using the update_status function
7839 */
7840 if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
7841 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
7842 actual_phy_idx))) == 0) {
7843 media_types |= ((phy->media_type &
7844 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
7845 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
7846 actual_phy_idx));
7847 }
7848 REG_WR(bp, sync_offset, media_types);
7849
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007850 bnx2x_phy_def_cfg(params, phy, phy_index);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007851 params->num_phys++;
7852 }
7853
7854 DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
7855 return 0;
7856}
7857
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007858void bnx2x_init_bmac_loopback(struct link_params *params,
7859 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007860{
7861 struct bnx2x *bp = params->bp;
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007862 vars->link_up = 1;
7863 vars->line_speed = SPEED_10000;
7864 vars->duplex = DUPLEX_FULL;
7865 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
7866 vars->mac_type = MAC_TYPE_BMAC;
7867
7868 vars->phy_flags = PHY_XGXS_FLAG;
7869
7870 bnx2x_xgxs_deassert(params);
7871
7872 /* set bmac loopback */
7873 bnx2x_bmac_enable(params, vars, 1);
7874
7875 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
7876}
7877
7878void bnx2x_init_emac_loopback(struct link_params *params,
7879 struct link_vars *vars)
7880{
7881 struct bnx2x *bp = params->bp;
7882 vars->link_up = 1;
7883 vars->line_speed = SPEED_1000;
7884 vars->duplex = DUPLEX_FULL;
7885 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
7886 vars->mac_type = MAC_TYPE_EMAC;
7887
7888 vars->phy_flags = PHY_XGXS_FLAG;
7889
7890 bnx2x_xgxs_deassert(params);
7891 /* set bmac loopback */
7892 bnx2x_emac_enable(params, vars, 1);
7893 bnx2x_emac_program(params, vars);
7894 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
7895}
7896
7897void bnx2x_init_xgxs_loopback(struct link_params *params,
7898 struct link_vars *vars)
7899{
7900 struct bnx2x *bp = params->bp;
7901 vars->link_up = 1;
7902 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
7903 vars->duplex = DUPLEX_FULL;
7904 if (params->req_line_speed[0] == SPEED_1000)
7905 vars->line_speed = SPEED_1000;
7906 else
7907 vars->line_speed = SPEED_10000;
7908
7909
7910 bnx2x_xgxs_deassert(params);
7911 bnx2x_link_initialize(params, vars);
7912
7913 if (params->req_line_speed[0] == SPEED_1000) {
7914 bnx2x_emac_program(params, vars);
7915 bnx2x_emac_enable(params, vars, 0);
7916
7917 } else
7918 bnx2x_bmac_enable(params, vars, 0);
7919
7920
7921 if (params->loopback_mode == LOOPBACK_XGXS) {
7922 /* set 10G XGXS loopback */
7923 params->phy[INT_PHY].config_loopback(
7924 &params->phy[INT_PHY],
7925 params);
7926
7927 } else {
7928 /* set external phy loopback */
7929 u8 phy_index;
7930 for (phy_index = EXT_PHY1;
7931 phy_index < params->num_phys; phy_index++) {
7932 if (params->phy[phy_index].config_loopback)
7933 params->phy[phy_index].config_loopback(
7934 &params->phy[phy_index],
7935 params);
7936 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007937 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007938 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007939
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007940 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007941}
7942
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00007943int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007944{
7945 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007946 DP(NETIF_MSG_LINK, "Phy Initialization started\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007947 DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
7948 params->req_line_speed[0], params->req_flow_ctrl[0]);
7949 DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
7950 params->req_line_speed[1], params->req_flow_ctrl[1]);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007951 vars->link_status = 0;
7952 vars->phy_link_up = 0;
7953 vars->link_up = 0;
7954 vars->line_speed = 0;
7955 vars->duplex = DUPLEX_FULL;
7956 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
7957 vars->mac_type = MAC_TYPE_NONE;
7958 vars->phy_flags = 0;
7959
7960 /* disable attentions */
7961 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
7962 (NIG_MASK_XGXS0_LINK_STATUS |
7963 NIG_MASK_XGXS0_LINK10G |
7964 NIG_MASK_SERDES0_LINK_STATUS |
7965 NIG_MASK_MI_INT));
7966
7967 bnx2x_emac_init(params, vars);
7968
7969 if (params->num_phys == 0) {
7970 DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
7971 return -EINVAL;
7972 }
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007973 set_phy_vars(params, vars);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007974
7975 DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007976 switch (params->loopback_mode) {
7977 case LOOPBACK_BMAC:
7978 bnx2x_init_bmac_loopback(params, vars);
7979 break;
7980 case LOOPBACK_EMAC:
7981 bnx2x_init_emac_loopback(params, vars);
7982 break;
7983 case LOOPBACK_XGXS:
7984 case LOOPBACK_EXT_PHY:
7985 bnx2x_init_xgxs_loopback(params, vars);
7986 break;
7987 default:
7988 /* No loopback */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007989 if (params->switch_cfg == SWITCH_CFG_10G)
7990 bnx2x_xgxs_deassert(params);
7991 else
7992 bnx2x_serdes_deassert(bp, params->port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007993
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007994 bnx2x_link_initialize(params, vars);
7995 msleep(30);
7996 bnx2x_link_int_enable(params);
Yaniv Rosner9045f6b42011-05-31 21:28:27 +00007997 break;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007998 }
7999 return 0;
8000}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008001
8002int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
8003 u8 reset_ext_phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008004{
8005 struct bnx2x *bp = params->bp;
Yaniv Rosnercf1d9722010-11-01 05:32:34 +00008006 u8 phy_index, port = params->port, clear_latch_ind = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008007 DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
8008 /* disable attentions */
8009 vars->link_status = 0;
8010 bnx2x_update_mng(params, vars->link_status);
8011 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008012 (NIG_MASK_XGXS0_LINK_STATUS |
8013 NIG_MASK_XGXS0_LINK10G |
8014 NIG_MASK_SERDES0_LINK_STATUS |
8015 NIG_MASK_MI_INT));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008016
8017 /* activate nig drain */
8018 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
8019
8020 /* disable nig egress interface */
8021 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
8022 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
8023
8024 /* Stop BigMac rx */
8025 bnx2x_bmac_rx_disable(bp, port);
8026
8027 /* disable emac */
8028 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
8029
8030 msleep(10);
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008031 /* The PHY reset is controlled by GPIO 1
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008032 * Hold it as vars low
8033 */
8034 /* clear link led */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00008035 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
8036
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008037 if (reset_ext_phy) {
8038 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
8039 phy_index++) {
8040 if (params->phy[phy_index].link_reset)
8041 params->phy[phy_index].link_reset(
8042 &params->phy[phy_index],
8043 params);
Yaniv Rosnercf1d9722010-11-01 05:32:34 +00008044 if (params->phy[phy_index].flags &
8045 FLAGS_REARM_LATCH_SIGNAL)
8046 clear_latch_ind = 1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008047 }
8048 }
8049
Yaniv Rosnercf1d9722010-11-01 05:32:34 +00008050 if (clear_latch_ind) {
8051 /* Clear latching indication */
8052 bnx2x_rearm_latch_signal(bp, port, 0);
8053 bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
8054 1 << NIG_LATCH_BC_ENABLE_MI_INT);
8055 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008056 if (params->phy[INT_PHY].link_reset)
8057 params->phy[INT_PHY].link_reset(
8058 &params->phy[INT_PHY], params);
8059 /* reset BigMac */
8060 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
8061 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
8062
8063 /* disable nig ingress interface */
8064 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
8065 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
8066 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
8067 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
8068 vars->link_up = 0;
8069 return 0;
8070}
8071
8072/****************************************************************************/
8073/* Common function */
8074/****************************************************************************/
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008075static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
8076 u32 shmem_base_path[],
8077 u32 shmem2_base_path[], u8 phy_index,
8078 u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008079{
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008080 struct bnx2x_phy phy[PORT_MAX];
8081 struct bnx2x_phy *phy_blk[PORT_MAX];
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008082 u16 val;
Yaniv Rosnerc8e64df2011-01-30 04:15:00 +00008083 s8 port = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008084 s8 port_of_path = 0;
Yaniv Rosnerc8e64df2011-01-30 04:15:00 +00008085 u32 swap_val, swap_override;
8086 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
8087 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
8088 port ^= (swap_val && swap_override);
8089 bnx2x_ext_phy_hw_reset(bp, port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008090 /* PART1 - Reset both phys */
8091 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008092 u32 shmem_base, shmem2_base;
8093 /* In E2, same phy is using for port0 of the two paths */
8094 if (CHIP_IS_E2(bp)) {
8095 shmem_base = shmem_base_path[port];
8096 shmem2_base = shmem2_base_path[port];
8097 port_of_path = 0;
8098 } else {
8099 shmem_base = shmem_base_path[0];
8100 shmem2_base = shmem2_base_path[0];
8101 port_of_path = port;
8102 }
8103
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008104 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008105 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008106 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008107 0) {
8108 DP(NETIF_MSG_LINK, "populate_phy failed\n");
8109 return -EINVAL;
8110 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008111 /* disable attentions */
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00008112 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
8113 port_of_path*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008114 (NIG_MASK_XGXS0_LINK_STATUS |
8115 NIG_MASK_XGXS0_LINK10G |
8116 NIG_MASK_SERDES0_LINK_STATUS |
8117 NIG_MASK_MI_INT));
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008118
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008119 /* Need to take the phy out of low power mode in order
8120 to write to access its registers */
8121 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008122 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
8123 port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008124
8125 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008126 bnx2x_cl45_write(bp, &phy[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008127 MDIO_PMA_DEVAD,
8128 MDIO_PMA_REG_CTRL,
8129 1<<15);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008130 }
8131
8132 /* Add delay of 150ms after reset */
8133 msleep(150);
8134
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008135 if (phy[PORT_0].addr & 0x1) {
8136 phy_blk[PORT_0] = &(phy[PORT_1]);
8137 phy_blk[PORT_1] = &(phy[PORT_0]);
8138 } else {
8139 phy_blk[PORT_0] = &(phy[PORT_0]);
8140 phy_blk[PORT_1] = &(phy[PORT_1]);
8141 }
8142
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008143 /* PART2 - Download firmware to both phys */
8144 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008145 if (CHIP_IS_E2(bp))
8146 port_of_path = 0;
8147 else
8148 port_of_path = port;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008149
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008150 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
8151 phy_blk[port]->addr);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00008152 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
8153 port_of_path))
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008154 return -EINVAL;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008155
8156 /* Only set bit 10 = 1 (Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008157 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008158 MDIO_PMA_DEVAD,
8159 MDIO_PMA_REG_TX_POWER_DOWN, &val);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008160
8161 /* Phase1 of TX_POWER_DOWN reset */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008162 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008163 MDIO_PMA_DEVAD,
8164 MDIO_PMA_REG_TX_POWER_DOWN,
8165 (val | 1<<10));
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008166 }
8167
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008168 /*
8169 * Toggle Transmitter: Power down and then up with 600ms delay
8170 * between
8171 */
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008172 msleep(600);
8173
8174 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
8175 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Eilon Greensteinf5372252009-02-12 08:38:30 +00008176 /* Phase2 of POWER_DOWN_RESET */
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008177 /* Release bit 10 (Release Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008178 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008179 MDIO_PMA_DEVAD,
8180 MDIO_PMA_REG_TX_POWER_DOWN, &val);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008181
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008182 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008183 MDIO_PMA_DEVAD,
8184 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008185 msleep(15);
8186
8187 /* Read modify write the SPI-ROM version select register */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008188 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008189 MDIO_PMA_DEVAD,
8190 MDIO_PMA_REG_EDC_FFE_MAIN, &val);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008191 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008192 MDIO_PMA_DEVAD,
8193 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008194
8195 /* set GPIO2 back to LOW */
8196 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008197 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008198 }
8199 return 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008200}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008201static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
8202 u32 shmem_base_path[],
8203 u32 shmem2_base_path[], u8 phy_index,
8204 u32 chip_id)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008205{
8206 u32 val;
8207 s8 port;
8208 struct bnx2x_phy phy;
8209 /* Use port1 because of the static port-swap */
8210 /* Enable the module detection interrupt */
8211 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
8212 val |= ((1<<MISC_REGISTERS_GPIO_3)|
8213 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
8214 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
8215
Yaniv Rosner650154b2010-11-01 05:32:36 +00008216 bnx2x_ext_phy_hw_reset(bp, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008217 msleep(5);
8218 for (port = 0; port < PORT_MAX; port++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008219 u32 shmem_base, shmem2_base;
8220
8221 /* In E2, same phy is using for port0 of the two paths */
8222 if (CHIP_IS_E2(bp)) {
8223 shmem_base = shmem_base_path[port];
8224 shmem2_base = shmem2_base_path[port];
8225 } else {
8226 shmem_base = shmem_base_path[0];
8227 shmem2_base = shmem2_base_path[0];
8228 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008229 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008230 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008231 port, &phy) !=
8232 0) {
8233 DP(NETIF_MSG_LINK, "populate phy failed\n");
8234 return -EINVAL;
8235 }
8236
8237 /* Reset phy*/
8238 bnx2x_cl45_write(bp, &phy,
8239 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
8240
8241
8242 /* Set fault module detected LED on */
8243 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008244 MISC_REGISTERS_GPIO_HIGH,
8245 port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00008246 }
8247
8248 return 0;
8249}
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008250static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
8251 u8 *io_gpio, u8 *io_port)
8252{
8253
8254 u32 phy_gpio_reset = REG_RD(bp, shmem_base +
8255 offsetof(struct shmem_region,
8256 dev_info.port_hw_config[PORT_0].default_cfg));
8257 switch (phy_gpio_reset) {
8258 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
8259 *io_gpio = 0;
8260 *io_port = 0;
8261 break;
8262 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
8263 *io_gpio = 1;
8264 *io_port = 0;
8265 break;
8266 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
8267 *io_gpio = 2;
8268 *io_port = 0;
8269 break;
8270 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
8271 *io_gpio = 3;
8272 *io_port = 0;
8273 break;
8274 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
8275 *io_gpio = 0;
8276 *io_port = 1;
8277 break;
8278 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
8279 *io_gpio = 1;
8280 *io_port = 1;
8281 break;
8282 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
8283 *io_gpio = 2;
8284 *io_port = 1;
8285 break;
8286 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
8287 *io_gpio = 3;
8288 *io_port = 1;
8289 break;
8290 default:
8291 /* Don't override the io_gpio and io_port */
8292 break;
8293 }
8294}
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008295
8296static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
8297 u32 shmem_base_path[],
8298 u32 shmem2_base_path[], u8 phy_index,
8299 u32 chip_id)
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008300{
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008301 s8 port, reset_gpio;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008302 u32 swap_val, swap_override;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008303 struct bnx2x_phy phy[PORT_MAX];
8304 struct bnx2x_phy *phy_blk[PORT_MAX];
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008305 s8 port_of_path;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008306 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
8307 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008308
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008309 reset_gpio = MISC_REGISTERS_GPIO_1;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008310 port = 1;
8311
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008312 /*
8313 * Retrieve the reset gpio/port which control the reset.
8314 * Default is GPIO1, PORT1
8315 */
8316 bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
8317 (u8 *)&reset_gpio, (u8 *)&port);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008318
8319 /* Calculate the port based on port swap */
8320 port ^= (swap_val && swap_override);
8321
Yaniv Rosnera8db5b42011-01-31 04:22:28 +00008322 /* Initiate PHY reset*/
8323 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
8324 port);
8325 msleep(1);
8326 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
8327 port);
8328
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008329 msleep(5);
8330
8331 /* PART1 - Reset both phys */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008332 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008333 u32 shmem_base, shmem2_base;
8334
8335 /* In E2, same phy is using for port0 of the two paths */
8336 if (CHIP_IS_E2(bp)) {
8337 shmem_base = shmem_base_path[port];
8338 shmem2_base = shmem2_base_path[port];
8339 port_of_path = 0;
8340 } else {
8341 shmem_base = shmem_base_path[0];
8342 shmem2_base = shmem2_base_path[0];
8343 port_of_path = port;
8344 }
8345
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008346 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008347 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008348 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008349 0) {
8350 DP(NETIF_MSG_LINK, "populate phy failed\n");
8351 return -EINVAL;
8352 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008353 /* disable attentions */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008354 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
8355 port_of_path*4,
8356 (NIG_MASK_XGXS0_LINK_STATUS |
8357 NIG_MASK_XGXS0_LINK10G |
8358 NIG_MASK_SERDES0_LINK_STATUS |
8359 NIG_MASK_MI_INT));
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008360
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008361
8362 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008363 bnx2x_cl45_write(bp, &phy[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008364 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008365 }
8366
8367 /* Add delay of 150ms after reset */
8368 msleep(150);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008369 if (phy[PORT_0].addr & 0x1) {
8370 phy_blk[PORT_0] = &(phy[PORT_1]);
8371 phy_blk[PORT_1] = &(phy[PORT_0]);
8372 } else {
8373 phy_blk[PORT_0] = &(phy[PORT_0]);
8374 phy_blk[PORT_1] = &(phy[PORT_1]);
8375 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008376 /* PART2 - Download firmware to both phys */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008377 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00008378 if (CHIP_IS_E2(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008379 port_of_path = 0;
8380 else
8381 port_of_path = port;
8382 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
8383 phy_blk[port]->addr);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00008384 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
8385 port_of_path))
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008386 return -EINVAL;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008387
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00008388 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008389 return 0;
8390}
8391
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008392static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
8393 u32 shmem2_base_path[], u8 phy_index,
8394 u32 ext_phy_type, u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008395{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008396 int rc = 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008397
8398 switch (ext_phy_type) {
8399 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008400 rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
8401 shmem2_base_path,
8402 phy_index, chip_id);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008403 break;
Yaniv Rosnere4d78f12011-05-31 21:25:55 +00008404 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008405 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8406 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008407 rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
8408 shmem2_base_path,
8409 phy_index, chip_id);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008410 break;
8411
Eilon Greenstein589abe32009-02-12 08:36:55 +00008412 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008413 /*
8414 * GPIO1 affects both ports, so there's need to pull
8415 * it for single port alone
8416 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008417 rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
8418 shmem2_base_path,
8419 phy_index, chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008420 break;
8421 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
8422 rc = -EINVAL;
Yaniv Rosner4f60dab2009-11-05 19:18:23 +02008423 break;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008424 default:
8425 DP(NETIF_MSG_LINK,
Yaniv Rosner2cf7acf2011-01-31 04:21:55 +00008426 "ext_phy 0x%x common init not required\n",
8427 ext_phy_type);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008428 break;
8429 }
8430
Yaniv Rosner6d870c32011-01-31 04:22:20 +00008431 if (rc != 0)
8432 netdev_err(bp->dev, "Warning: PHY was not initialized,"
8433 " Port %d\n",
8434 0);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07008435 return rc;
8436}
8437
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008438int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
8439 u32 shmem2_base_path[], u32 chip_id)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008440{
Yaniv Rosnerfcf5b652011-05-31 21:26:28 +00008441 int rc = 0;
Yaniv Rosnerb21a3422011-01-18 04:33:24 +00008442 u32 phy_ver;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008443 u8 phy_index;
8444 u32 ext_phy_type, ext_phy_config;
8445 DP(NETIF_MSG_LINK, "Begin common phy init\n");
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00008446
Yaniv Rosnerb21a3422011-01-18 04:33:24 +00008447 /* Check if common init was already done */
8448 phy_ver = REG_RD(bp, shmem_base_path[0] +
8449 offsetof(struct shmem_region,
8450 port_mb[PORT_0].ext_phy_fw_version));
8451 if (phy_ver) {
8452 DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
8453 phy_ver);
8454 return 0;
8455 }
8456
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008457 /* Read the ext_phy_type for arbitrary port(0) */
8458 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
8459 phy_index++) {
8460 ext_phy_config = bnx2x_get_ext_phy_config(bp,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008461 shmem_base_path[0],
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008462 phy_index, 0);
8463 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008464 rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
8465 shmem2_base_path,
8466 phy_index, ext_phy_type,
8467 chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008468 }
8469 return rc;
8470}
8471
8472u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00008473{
8474 u8 phy_index;
8475 struct bnx2x_phy phy;
8476 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
8477 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008478 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00008479 0, &phy) != 0) {
8480 DP(NETIF_MSG_LINK, "populate phy failed\n");
8481 return 0;
8482 }
8483
8484 if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
8485 return 1;
8486 }
8487 return 0;
8488}
8489
8490u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
8491 u32 shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008492 u32 shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00008493 u8 port)
8494{
8495 u8 phy_index, fan_failure_det_req = 0;
8496 struct bnx2x_phy phy;
8497 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
8498 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008499 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00008500 port, &phy)
8501 != 0) {
8502 DP(NETIF_MSG_LINK, "populate phy failed\n");
8503 return 0;
8504 }
8505 fan_failure_det_req |= (phy.flags &
8506 FLAGS_FAN_FAILURE_DET_REQ);
8507 }
8508 return fan_failure_det_req;
8509}
8510
8511void bnx2x_hw_reset_phy(struct link_params *params)
8512{
8513 u8 phy_index;
8514 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
8515 phy_index++) {
8516 if (params->phy[phy_index].hw_reset) {
8517 params->phy[phy_index].hw_reset(
8518 &params->phy[phy_index],
8519 params);
8520 params->phy[phy_index] = phy_null;
8521 }
8522 }
8523}