blob: e992d40e2462e1729e63d7e3ea840b714d48df6d [file] [log] [blame]
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001/* Copyright 2008-2011 Broadcom Corporation
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002 *
3 * Unless you and Broadcom execute a separate written software license
4 * agreement governing use of this software, this software is licensed to you
5 * under the terms of the GNU General Public License version 2, available
6 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
7 *
8 * Notwithstanding the above, under no circumstances may you combine this
9 * software in any way with any other Broadcom software provided under a
10 * license other than the GPL, without Broadcom's express prior written
11 * consent.
12 *
13 * Written by Yaniv Rosner
14 *
15 */
16
Joe Perches7995c642010-02-17 15:01:52 +000017#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
18
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070019#include <linux/kernel.h>
20#include <linux/errno.h>
21#include <linux/pci.h>
22#include <linux/netdevice.h>
23#include <linux/delay.h>
24#include <linux/ethtool.h>
25#include <linux/mutex.h>
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070026
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070027#include "bnx2x.h"
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
174#define CL45_WR_OVER_CL22(_bp, _phy, _bank, _addr, _val) \
175 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 Rosnere10bc842010-09-07 11:40:50 +0000180#define CL45_RD_OVER_CL22(_bp, _phy, _bank, _addr, _val) \
181 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
stephen hemminger8d962862010-10-21 07:50:56 +0000186static u8 bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
187 u8 devad, u16 reg, u16 *ret_val);
188
189static u8 bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
190 u8 devad, u16 reg, u16 val);
191
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700192static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
193{
194 u32 val = REG_RD(bp, reg);
195
196 val |= bits;
197 REG_WR(bp, reg, val);
198 return val;
199}
200
201static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
202{
203 u32 val = REG_RD(bp, reg);
204
205 val &= ~bits;
206 REG_WR(bp, reg, val);
207 return val;
208}
209
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000210/******************************************************************/
211/* ETS section */
212/******************************************************************/
213void bnx2x_ets_disabled(struct link_params *params)
214{
215 /* ETS disabled configuration*/
216 struct bnx2x *bp = params->bp;
217
218 DP(NETIF_MSG_LINK, "ETS disabled configuration\n");
219
220 /**
221 * mapping between entry priority to client number (0,1,2 -debug and
222 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
223 * 3bits client num.
224 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
225 * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
226 */
227
228 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
229 /**
230 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
231 * as strict. Bits 0,1,2 - debug and management entries, 3 -
232 * COS0 entry, 4 - COS1 entry.
233 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
234 * bit4 bit3 bit2 bit1 bit0
235 * MCP and debug are strict
236 */
237
238 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
239 /* defines which entries (clients) are subjected to WFQ arbitration */
240 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
241 /**
242 * For strict priority entries defines the number of consecutive
243 * slots for the highest priority.
244 */
245 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
246 /**
247 * mapping between the CREDIT_WEIGHT registers and actual client
248 * numbers
249 */
250 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
251 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
252 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
253
254 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
255 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
256 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
257 /* ETS mode disable */
258 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
259 /**
260 * If ETS mode is enabled (there is no strict priority) defines a WFQ
261 * weight for COS0/COS1.
262 */
263 REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
264 REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
265 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
266 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
267 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
268 /* Defines the number of consecutive slots for the strict priority */
269 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
270}
271
272void bnx2x_ets_bw_limit_common(const struct link_params *params)
273{
274 /* ETS disabled configuration */
275 struct bnx2x *bp = params->bp;
276 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
277 /**
278 * defines which entries (clients) are subjected to WFQ arbitration
279 * COS0 0x8
280 * COS1 0x10
281 */
282 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
283 /**
284 * mapping between the ARB_CREDIT_WEIGHT registers and actual
285 * client numbers (WEIGHT_0 does not actually have to represent
286 * client 0)
287 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
288 * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
289 */
290 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
291
292 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
293 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
294 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
295 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
296
297 /* ETS mode enabled*/
298 REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
299
300 /* Defines the number of consecutive slots for the strict priority */
301 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
302 /**
303 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
304 * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
305 * entry, 4 - COS1 entry.
306 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
307 * bit4 bit3 bit2 bit1 bit0
308 * MCP and debug are strict
309 */
310 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
311
312 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
313 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
314 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
315 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
316 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
317}
318
319void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
320 const u32 cos1_bw)
321{
322 /* ETS disabled configuration*/
323 struct bnx2x *bp = params->bp;
324 const u32 total_bw = cos0_bw + cos1_bw;
325 u32 cos0_credit_weight = 0;
326 u32 cos1_credit_weight = 0;
327
328 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
329
330 if ((0 == total_bw) ||
331 (0 == cos0_bw) ||
332 (0 == cos1_bw)) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000333 DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000334 return;
335 }
336
337 cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
338 total_bw;
339 cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
340 total_bw;
341
342 bnx2x_ets_bw_limit_common(params);
343
344 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
345 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
346
347 REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
348 REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
349}
350
351u8 bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
352{
353 /* ETS disabled configuration*/
354 struct bnx2x *bp = params->bp;
355 u32 val = 0;
356
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000357 DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
358 /**
359 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
360 * as strict. Bits 0,1,2 - debug and management entries,
361 * 3 - COS0 entry, 4 - COS1 entry.
362 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
363 * bit4 bit3 bit2 bit1 bit0
364 * MCP and debug are strict
365 */
366 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
367 /**
368 * For strict priority entries defines the number of consecutive slots
369 * for the highest priority.
370 */
371 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
372 /* ETS mode disable */
373 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
374 /* Defines the number of consecutive slots for the strict priority */
375 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
376
377 /* Defines the number of consecutive slots for the strict priority */
378 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
379
380 /**
381 * mapping between entry priority to client number (0,1,2 -debug and
382 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
383 * 3bits client num.
384 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
385 * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
386 * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
387 */
388 val = (0 == strict_cos) ? 0x2318 : 0x22E0;
389 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
390
391 return 0;
392}
393/******************************************************************/
394/* ETS section */
395/******************************************************************/
396
397static void bnx2x_bmac2_get_pfc_stat(struct link_params *params,
398 u32 pfc_frames_sent[2],
399 u32 pfc_frames_received[2])
400{
401 /* Read pfc statistic */
402 struct bnx2x *bp = params->bp;
403 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
404 NIG_REG_INGRESS_BMAC0_MEM;
405
406 DP(NETIF_MSG_LINK, "pfc statistic read from BMAC\n");
407
408 REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_STAT_GTPP,
409 pfc_frames_sent, 2);
410
411 REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_STAT_GRPP,
412 pfc_frames_received, 2);
413
414}
415static void bnx2x_emac_get_pfc_stat(struct link_params *params,
416 u32 pfc_frames_sent[2],
417 u32 pfc_frames_received[2])
418{
419 /* Read pfc statistic */
420 struct bnx2x *bp = params->bp;
421 u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
422 u32 val_xon = 0;
423 u32 val_xoff = 0;
424
425 DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
426
427 /* PFC received frames */
428 val_xoff = REG_RD(bp, emac_base +
429 EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
430 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
431 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
432 val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
433
434 pfc_frames_received[0] = val_xon + val_xoff;
435
436 /* PFC received sent */
437 val_xoff = REG_RD(bp, emac_base +
438 EMAC_REG_RX_PFC_STATS_XOFF_SENT);
439 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
440 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
441 val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
442
443 pfc_frames_sent[0] = val_xon + val_xoff;
444}
445
446void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
447 u32 pfc_frames_sent[2],
448 u32 pfc_frames_received[2])
449{
450 /* Read pfc statistic */
451 struct bnx2x *bp = params->bp;
452 u32 val = 0;
453 DP(NETIF_MSG_LINK, "pfc statistic\n");
454
455 if (!vars->link_up)
456 return;
457
458 val = REG_RD(bp, MISC_REG_RESET_REG_2);
459 if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
460 == 0) {
461 DP(NETIF_MSG_LINK, "About to read stats from EMAC\n");
462 bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
463 pfc_frames_received);
464 } else {
465 DP(NETIF_MSG_LINK, "About to read stats from BMAC\n");
466 bnx2x_bmac2_get_pfc_stat(params, pfc_frames_sent,
467 pfc_frames_received);
468 }
469}
470/******************************************************************/
471/* MAC/PBF section */
472/******************************************************************/
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700473static void bnx2x_emac_init(struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000474 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700475{
476 /* reset and unreset the emac core */
477 struct bnx2x *bp = params->bp;
478 u8 port = params->port;
479 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
480 u32 val;
481 u16 timeout;
482
483 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000484 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700485 udelay(5);
486 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000487 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700488
489 /* init emac - use read-modify-write */
490 /* self clear reset */
491 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
Eilon Greenstein3196a882008-08-13 15:58:49 -0700492 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700493
494 timeout = 200;
Eilon Greenstein3196a882008-08-13 15:58:49 -0700495 do {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700496 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
497 DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
498 if (!timeout) {
499 DP(NETIF_MSG_LINK, "EMAC timeout!\n");
500 return;
501 }
502 timeout--;
Eilon Greenstein3196a882008-08-13 15:58:49 -0700503 } while (val & EMAC_MODE_RESET);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700504
505 /* Set mac address */
506 val = ((params->mac_addr[0] << 8) |
507 params->mac_addr[1]);
Eilon Greenstein3196a882008-08-13 15:58:49 -0700508 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700509
510 val = ((params->mac_addr[2] << 24) |
511 (params->mac_addr[3] << 16) |
512 (params->mac_addr[4] << 8) |
513 params->mac_addr[5]);
Eilon Greenstein3196a882008-08-13 15:58:49 -0700514 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700515}
516
517static u8 bnx2x_emac_enable(struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000518 struct link_vars *vars, u8 lb)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700519{
520 struct bnx2x *bp = params->bp;
521 u8 port = params->port;
522 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
523 u32 val;
524
525 DP(NETIF_MSG_LINK, "enabling EMAC\n");
526
527 /* enable emac and not bmac */
528 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
529
530 /* for paladium */
531 if (CHIP_REV_IS_EMUL(bp)) {
532 /* Use lane 1 (of lanes 0-3) */
533 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1);
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 /* for fpga */
537 else
538
539 if (CHIP_REV_IS_FPGA(bp)) {
540 /* Use lane 1 (of lanes 0-3) */
541 DP(NETIF_MSG_LINK, "bnx2x_emac_enable: Setting FPGA\n");
542
543 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000544 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700545 } else
546 /* ASIC */
547 if (vars->phy_flags & PHY_XGXS_FLAG) {
548 u32 ser_lane = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000549 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
550 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700551
552 DP(NETIF_MSG_LINK, "XGXS\n");
553 /* select the master lanes (out of 0-3) */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000554 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700555 /* select XGXS */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000556 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700557
558 } else { /* SerDes */
559 DP(NETIF_MSG_LINK, "SerDes\n");
560 /* select SerDes */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000561 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700562 }
563
Eilon Greenstein811a2f22009-02-12 08:37:04 +0000564 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000565 EMAC_RX_MODE_RESET);
Eilon Greenstein811a2f22009-02-12 08:37:04 +0000566 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000567 EMAC_TX_MODE_RESET);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700568
569 if (CHIP_REV_IS_SLOW(bp)) {
570 /* config GMII mode */
571 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000572 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700573 } else { /* ASIC */
574 /* pause enable/disable */
575 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
576 EMAC_RX_MODE_FLOW_EN);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700577
578 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000579 (EMAC_TX_MODE_EXT_PAUSE_EN |
580 EMAC_TX_MODE_FLOW_EN));
581 if (!(params->feature_config_flags &
582 FEATURE_CONFIG_PFC_ENABLED)) {
583 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
584 bnx2x_bits_en(bp, emac_base +
585 EMAC_REG_EMAC_RX_MODE,
586 EMAC_RX_MODE_FLOW_EN);
587
588 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
589 bnx2x_bits_en(bp, emac_base +
590 EMAC_REG_EMAC_TX_MODE,
591 (EMAC_TX_MODE_EXT_PAUSE_EN |
592 EMAC_TX_MODE_FLOW_EN));
593 } else
594 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
595 EMAC_TX_MODE_FLOW_EN);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700596 }
597
598 /* KEEP_VLAN_TAG, promiscuous */
599 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
600 val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000601
602 /**
603 * Setting this bit causes MAC control frames (except for pause
604 * frames) to be passed on for processing. This setting has no
605 * affect on the operation of the pause frames. This bit effects
606 * all packets regardless of RX Parser packet sorting logic.
607 * Turn the PFC off to make sure we are in Xon state before
608 * enabling it.
609 */
610 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
611 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
612 DP(NETIF_MSG_LINK, "PFC is enabled\n");
613 /* Enable PFC again */
614 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
615 EMAC_REG_RX_PFC_MODE_RX_EN |
616 EMAC_REG_RX_PFC_MODE_TX_EN |
617 EMAC_REG_RX_PFC_MODE_PRIORITIES);
618
619 EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
620 ((0x0101 <<
621 EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
622 (0x00ff <<
623 EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
624 val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
625 }
Eilon Greenstein3196a882008-08-13 15:58:49 -0700626 EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700627
628 /* Set Loopback */
629 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
630 if (lb)
631 val |= 0x810;
632 else
633 val &= ~0x810;
Eilon Greenstein3196a882008-08-13 15:58:49 -0700634 EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700635
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +0000636 /* enable emac */
637 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
638
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700639 /* enable emac for jumbo packets */
Eilon Greenstein3196a882008-08-13 15:58:49 -0700640 EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700641 (EMAC_RX_MTU_SIZE_JUMBO_ENA |
642 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
643
644 /* strip CRC */
645 REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
646
647 /* disable the NIG in/out to the bmac */
648 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
649 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
650 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
651
652 /* enable the NIG in/out to the emac */
653 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
654 val = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000655 if ((params->feature_config_flags &
656 FEATURE_CONFIG_PFC_ENABLED) ||
657 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700658 val = 1;
659
660 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
661 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
662
663 if (CHIP_REV_IS_EMUL(bp)) {
664 /* take the BigMac out of reset */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000665 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
666 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700667
668 /* enable access for bmac registers */
669 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
Eilon Greenstein6f654972009-08-12 08:23:51 +0000670 } else
671 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700672
673 vars->mac_type = MAC_TYPE_EMAC;
674 return 0;
675}
676
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000677static void bnx2x_update_pfc_bmac1(struct link_params *params,
678 struct link_vars *vars)
679{
680 u32 wb_data[2];
681 struct bnx2x *bp = params->bp;
682 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
683 NIG_REG_INGRESS_BMAC0_MEM;
684
685 u32 val = 0x14;
686 if ((!(params->feature_config_flags &
687 FEATURE_CONFIG_PFC_ENABLED)) &&
688 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
689 /* Enable BigMAC to react on received Pause packets */
690 val |= (1<<5);
691 wb_data[0] = val;
692 wb_data[1] = 0;
693 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
694
695 /* tx control */
696 val = 0xc0;
697 if (!(params->feature_config_flags &
698 FEATURE_CONFIG_PFC_ENABLED) &&
699 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
700 val |= 0x800000;
701 wb_data[0] = val;
702 wb_data[1] = 0;
703 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
704}
705
706static void bnx2x_update_pfc_bmac2(struct link_params *params,
707 struct link_vars *vars,
708 u8 is_lb)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000709{
710 /*
711 * Set rx control: Strip CRC and enable BigMAC to relay
712 * control packets to the system as well
713 */
714 u32 wb_data[2];
715 struct bnx2x *bp = params->bp;
716 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
717 NIG_REG_INGRESS_BMAC0_MEM;
718 u32 val = 0x14;
719
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000720 if ((!(params->feature_config_flags &
721 FEATURE_CONFIG_PFC_ENABLED)) &&
722 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000723 /* Enable BigMAC to react on received Pause packets */
724 val |= (1<<5);
725 wb_data[0] = val;
726 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000727 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000728 udelay(30);
729
730 /* Tx control */
731 val = 0xc0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000732 if (!(params->feature_config_flags &
733 FEATURE_CONFIG_PFC_ENABLED) &&
734 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000735 val |= 0x800000;
736 wb_data[0] = val;
737 wb_data[1] = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000738 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000739
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000740 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
741 DP(NETIF_MSG_LINK, "PFC is enabled\n");
742 /* Enable PFC RX & TX & STATS and set 8 COS */
743 wb_data[0] = 0x0;
744 wb_data[0] |= (1<<0); /* RX */
745 wb_data[0] |= (1<<1); /* TX */
746 wb_data[0] |= (1<<2); /* Force initial Xon */
747 wb_data[0] |= (1<<3); /* 8 cos */
748 wb_data[0] |= (1<<5); /* STATS */
749 wb_data[1] = 0;
750 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
751 wb_data, 2);
752 /* Clear the force Xon */
753 wb_data[0] &= ~(1<<2);
754 } else {
755 DP(NETIF_MSG_LINK, "PFC is disabled\n");
756 /* disable PFC RX & TX & STATS and set 8 COS */
757 wb_data[0] = 0x8;
758 wb_data[1] = 0;
759 }
760
761 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
762
763 /**
764 * Set Time (based unit is 512 bit time) between automatic
765 * re-sending of PP packets amd enable automatic re-send of
766 * Per-Priroity Packet as long as pp_gen is asserted and
767 * pp_disable is low.
768 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000769 val = 0x8000;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000770 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
771 val |= (1<<16); /* enable automatic re-send */
772
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000773 wb_data[0] = val;
774 wb_data[1] = 0;
775 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000776 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000777
778 /* mac control */
779 val = 0x3; /* Enable RX and TX */
780 if (is_lb) {
781 val |= 0x4; /* Local loopback */
782 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
783 }
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000784 /* When PFC enabled, Pass pause frames towards the NIG. */
785 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
786 val |= ((1<<6)|(1<<5));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000787
788 wb_data[0] = val;
789 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +0000790 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000791}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700792
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +0000793static void bnx2x_update_pfc_brb(struct link_params *params,
794 struct link_vars *vars,
795 struct bnx2x_nig_brb_pfc_port_params *pfc_params)
796{
797 struct bnx2x *bp = params->bp;
798 int set_pfc = params->feature_config_flags &
799 FEATURE_CONFIG_PFC_ENABLED;
800
801 /* default - pause configuration */
802 u32 pause_xoff_th = PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE;
803 u32 pause_xon_th = PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE;
804 u32 full_xoff_th = PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE;
805 u32 full_xon_th = PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE;
806
807 if (set_pfc && pfc_params)
808 /* First COS */
809 if (!pfc_params->cos0_pauseable) {
810 pause_xoff_th =
811 PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE;
812 pause_xon_th =
813 PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE;
814 full_xoff_th =
815 PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE;
816 full_xon_th =
817 PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE;
818 }
819 /* The number of free blocks below which the pause signal to class 0
820 of MAC #n is asserted. n=0,1 */
821 REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 , pause_xoff_th);
822 /* The number of free blocks above which the pause signal to class 0
823 of MAC #n is de-asserted. n=0,1 */
824 REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , pause_xon_th);
825 /* The number of free blocks below which the full signal to class 0
826 of MAC #n is asserted. n=0,1 */
827 REG_WR(bp, BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , full_xoff_th);
828 /* The number of free blocks above which the full signal to class 0
829 of MAC #n is de-asserted. n=0,1 */
830 REG_WR(bp, BRB1_REG_FULL_0_XON_THRESHOLD_0 , full_xon_th);
831
832 if (set_pfc && pfc_params) {
833 /* Second COS */
834 if (pfc_params->cos1_pauseable) {
835 pause_xoff_th =
836 PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE;
837 pause_xon_th =
838 PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE;
839 full_xoff_th =
840 PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE;
841 full_xon_th =
842 PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE;
843 } else {
844 pause_xoff_th =
845 PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE;
846 pause_xon_th =
847 PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE;
848 full_xoff_th =
849 PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE;
850 full_xon_th =
851 PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE;
852 }
853 /**
854 * The number of free blocks below which the pause signal to
855 * class 1 of MAC #n is asserted. n=0,1
856 **/
857 REG_WR(bp, BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0, pause_xoff_th);
858 /**
859 * The number of free blocks above which the pause signal to
860 * class 1 of MAC #n is de-asserted. n=0,1
861 **/
862 REG_WR(bp, BRB1_REG_PAUSE_1_XON_THRESHOLD_0, pause_xon_th);
863 /**
864 * The number of free blocks below which the full signal to
865 * class 1 of MAC #n is asserted. n=0,1
866 **/
867 REG_WR(bp, BRB1_REG_FULL_1_XOFF_THRESHOLD_0, full_xoff_th);
868 /**
869 * The number of free blocks above which the full signal to
870 * class 1 of MAC #n is de-asserted. n=0,1
871 **/
872 REG_WR(bp, BRB1_REG_FULL_1_XON_THRESHOLD_0, full_xon_th);
873 }
874}
875
876static void bnx2x_update_pfc_nig(struct link_params *params,
877 struct link_vars *vars,
878 struct bnx2x_nig_brb_pfc_port_params *nig_params)
879{
880 u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
881 u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
882 u32 pkt_priority_to_cos = 0;
883 u32 val;
884 struct bnx2x *bp = params->bp;
885 int port = params->port;
886 int set_pfc = params->feature_config_flags &
887 FEATURE_CONFIG_PFC_ENABLED;
888 DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
889
890 /**
891 * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
892 * MAC control frames (that are not pause packets)
893 * will be forwarded to the XCM.
894 */
895 xcm_mask = REG_RD(bp,
896 port ? NIG_REG_LLH1_XCM_MASK :
897 NIG_REG_LLH0_XCM_MASK);
898 /**
899 * nig params will override non PFC params, since it's possible to
900 * do transition from PFC to SAFC
901 */
902 if (set_pfc) {
903 pause_enable = 0;
904 llfc_out_en = 0;
905 llfc_enable = 0;
906 ppp_enable = 1;
907 xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
908 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
909 xcm0_out_en = 0;
910 p0_hwpfc_enable = 1;
911 } else {
912 if (nig_params) {
913 llfc_out_en = nig_params->llfc_out_en;
914 llfc_enable = nig_params->llfc_enable;
915 pause_enable = nig_params->pause_enable;
916 } else /*defaul non PFC mode - PAUSE */
917 pause_enable = 1;
918
919 xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
920 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
921 xcm0_out_en = 1;
922 }
923
924 REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
925 NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
926 REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
927 NIG_REG_LLFC_ENABLE_0, llfc_enable);
928 REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
929 NIG_REG_PAUSE_ENABLE_0, pause_enable);
930
931 REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
932 NIG_REG_PPP_ENABLE_0, ppp_enable);
933
934 REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
935 NIG_REG_LLH0_XCM_MASK, xcm_mask);
936
937 REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
938
939 /* output enable for RX_XCM # IF */
940 REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
941
942 /* HW PFC TX enable */
943 REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
944
945 /* 0x2 = BMAC, 0x1= EMAC */
946 switch (vars->mac_type) {
947 case MAC_TYPE_EMAC:
948 val = 1;
949 break;
950 case MAC_TYPE_BMAC:
951 val = 0;
952 break;
953 default:
954 val = 0;
955 break;
956 }
957 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT, val);
958
959 if (nig_params) {
960 pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
961
962 REG_WR(bp, port ? NIG_REG_P1_RX_COS0_PRIORITY_MASK :
963 NIG_REG_P0_RX_COS0_PRIORITY_MASK,
964 nig_params->rx_cos0_priority_mask);
965
966 REG_WR(bp, port ? NIG_REG_P1_RX_COS1_PRIORITY_MASK :
967 NIG_REG_P0_RX_COS1_PRIORITY_MASK,
968 nig_params->rx_cos1_priority_mask);
969
970 REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
971 NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
972 nig_params->llfc_high_priority_classes);
973
974 REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
975 NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
976 nig_params->llfc_low_priority_classes);
977 }
978 REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
979 NIG_REG_P0_PKT_PRIORITY_TO_COS,
980 pkt_priority_to_cos);
981}
982
983
984void bnx2x_update_pfc(struct link_params *params,
985 struct link_vars *vars,
986 struct bnx2x_nig_brb_pfc_port_params *pfc_params)
987{
988 /**
989 * The PFC and pause are orthogonal to one another, meaning when
990 * PFC is enabled, the pause are disabled, and when PFC is
991 * disabled, pause are set according to the pause result.
992 */
993 u32 val;
994 struct bnx2x *bp = params->bp;
995
996 /* update NIG params */
997 bnx2x_update_pfc_nig(params, vars, pfc_params);
998
999 /* update BRB params */
1000 bnx2x_update_pfc_brb(params, vars, pfc_params);
1001
1002 if (!vars->link_up)
1003 return;
1004
1005 val = REG_RD(bp, MISC_REG_RESET_REG_2);
1006 if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
1007 == 0) {
1008 DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
1009 bnx2x_emac_enable(params, vars, 0);
1010 return;
1011 }
1012
1013 DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
1014 if (CHIP_IS_E2(bp))
1015 bnx2x_update_pfc_bmac2(params, vars, 0);
1016 else
1017 bnx2x_update_pfc_bmac1(params, vars);
1018
1019 val = 0;
1020 if ((params->feature_config_flags &
1021 FEATURE_CONFIG_PFC_ENABLED) ||
1022 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1023 val = 1;
1024 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
1025}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001026
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001027static u8 bnx2x_bmac1_enable(struct link_params *params,
1028 struct link_vars *vars,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001029 u8 is_lb)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001030{
1031 struct bnx2x *bp = params->bp;
1032 u8 port = params->port;
1033 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
1034 NIG_REG_INGRESS_BMAC0_MEM;
1035 u32 wb_data[2];
1036 u32 val;
1037
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001038 DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001039
1040 /* XGXS control */
1041 wb_data[0] = 0x3c;
1042 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001043 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
1044 wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001045
1046 /* tx MAC SA */
1047 wb_data[0] = ((params->mac_addr[2] << 24) |
1048 (params->mac_addr[3] << 16) |
1049 (params->mac_addr[4] << 8) |
1050 params->mac_addr[5]);
1051 wb_data[1] = ((params->mac_addr[0] << 8) |
1052 params->mac_addr[1]);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001053 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001054
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001055 /* mac control */
1056 val = 0x3;
1057 if (is_lb) {
1058 val |= 0x4;
1059 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
1060 }
1061 wb_data[0] = val;
1062 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001063 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001064
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001065 /* set rx mtu */
1066 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
1067 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001068 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001069
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001070 bnx2x_update_pfc_bmac1(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001071
1072 /* set tx mtu */
1073 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
1074 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001075 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001076
1077 /* set cnt max size */
1078 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
1079 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001080 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001081
1082 /* configure safc */
1083 wb_data[0] = 0x1000200;
1084 wb_data[1] = 0;
1085 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
1086 wb_data, 2);
1087 /* fix for emulation */
1088 if (CHIP_REV_IS_EMUL(bp)) {
1089 wb_data[0] = 0xf000;
1090 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001091 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_PAUSE_THRESHOLD,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001092 wb_data, 2);
1093 }
1094
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001095
1096 return 0;
1097}
1098
1099static u8 bnx2x_bmac2_enable(struct link_params *params,
1100 struct link_vars *vars,
1101 u8 is_lb)
1102{
1103 struct bnx2x *bp = params->bp;
1104 u8 port = params->port;
1105 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
1106 NIG_REG_INGRESS_BMAC0_MEM;
1107 u32 wb_data[2];
1108
1109 DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
1110
1111 wb_data[0] = 0;
1112 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001113 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001114 udelay(30);
1115
1116 /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
1117 wb_data[0] = 0x3c;
1118 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001119 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
1120 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001121
1122 udelay(30);
1123
1124 /* tx MAC SA */
1125 wb_data[0] = ((params->mac_addr[2] << 24) |
1126 (params->mac_addr[3] << 16) |
1127 (params->mac_addr[4] << 8) |
1128 params->mac_addr[5]);
1129 wb_data[1] = ((params->mac_addr[0] << 8) |
1130 params->mac_addr[1]);
1131 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001132 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001133
1134 udelay(30);
1135
1136 /* Configure SAFC */
1137 wb_data[0] = 0x1000200;
1138 wb_data[1] = 0;
1139 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001140 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001141 udelay(30);
1142
1143 /* set rx mtu */
1144 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
1145 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001146 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001147 udelay(30);
1148
1149 /* set tx mtu */
1150 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
1151 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001152 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001153 udelay(30);
1154 /* set cnt max size */
1155 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
1156 wb_data[1] = 0;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001157 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001158 udelay(30);
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001159 bnx2x_update_pfc_bmac2(params, vars, is_lb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001160
1161 return 0;
1162}
1163
stephen hemminger8d962862010-10-21 07:50:56 +00001164static u8 bnx2x_bmac_enable(struct link_params *params,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001165 struct link_vars *vars,
1166 u8 is_lb)
1167{
1168 u8 rc, port = params->port;
1169 struct bnx2x *bp = params->bp;
1170 u32 val;
1171 /* reset and unreset the BigMac */
1172 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001173 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Yaniv Rosner1d9c05d2010-11-01 05:32:25 +00001174 msleep(1);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001175
1176 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001177 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001178
1179 /* enable access for bmac registers */
1180 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
1181
1182 /* Enable BMAC according to BMAC type*/
1183 if (CHIP_IS_E2(bp))
1184 rc = bnx2x_bmac2_enable(params, vars, is_lb);
1185 else
1186 rc = bnx2x_bmac1_enable(params, vars, is_lb);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001187 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
1188 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
1189 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
1190 val = 0;
Vladislav Zolotarovbcab15c2010-12-13 05:44:25 +00001191 if ((params->feature_config_flags &
1192 FEATURE_CONFIG_PFC_ENABLED) ||
1193 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001194 val = 1;
1195 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
1196 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
1197 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
1198 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
1199 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
1200 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
1201
1202 vars->mac_type = MAC_TYPE_BMAC;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001203 return rc;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001204}
1205
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001206
1207static void bnx2x_update_mng(struct link_params *params, u32 link_status)
1208{
1209 struct bnx2x *bp = params->bp;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00001210
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001211 REG_WR(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001212 offsetof(struct shmem_region,
1213 port_mb[params->port].link_status), link_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001214}
1215
1216static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
1217{
1218 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001219 NIG_REG_INGRESS_BMAC0_MEM;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001220 u32 wb_data[2];
Eilon Greenstein3196a882008-08-13 15:58:49 -07001221 u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001222
1223 /* Only if the bmac is out of reset */
1224 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1225 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
1226 nig_bmac_enable) {
1227
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001228 if (CHIP_IS_E2(bp)) {
1229 /* Clear Rx Enable bit in BMAC_CONTROL register */
1230 REG_RD_DMAE(bp, bmac_addr +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001231 BIGMAC2_REGISTER_BMAC_CONTROL,
1232 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001233 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
1234 REG_WR_DMAE(bp, bmac_addr +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001235 BIGMAC2_REGISTER_BMAC_CONTROL,
1236 wb_data, 2);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001237 } else {
1238 /* Clear Rx Enable bit in BMAC_CONTROL register */
1239 REG_RD_DMAE(bp, bmac_addr +
1240 BIGMAC_REGISTER_BMAC_CONTROL,
1241 wb_data, 2);
1242 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
1243 REG_WR_DMAE(bp, bmac_addr +
1244 BIGMAC_REGISTER_BMAC_CONTROL,
1245 wb_data, 2);
1246 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001247 msleep(1);
1248 }
1249}
1250
1251static u8 bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001252 u32 line_speed)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001253{
1254 struct bnx2x *bp = params->bp;
1255 u8 port = params->port;
1256 u32 init_crd, crd;
1257 u32 count = 1000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001258
1259 /* disable port */
1260 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
1261
1262 /* wait for init credit */
1263 init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
1264 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
1265 DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
1266
1267 while ((init_crd != crd) && count) {
1268 msleep(5);
1269
1270 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
1271 count--;
1272 }
1273 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
1274 if (init_crd != crd) {
1275 DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
1276 init_crd, crd);
1277 return -EINVAL;
1278 }
1279
David S. Millerc0700f92008-12-16 23:53:20 -08001280 if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001281 line_speed == SPEED_10 ||
1282 line_speed == SPEED_100 ||
1283 line_speed == SPEED_1000 ||
1284 line_speed == SPEED_2500) {
1285 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001286 /* update threshold */
1287 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
1288 /* update init credit */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001289 init_crd = 778; /* (800-18-4) */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001290
1291 } else {
1292 u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
1293 ETH_OVREHEAD)/16;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001294 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001295 /* update threshold */
1296 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
1297 /* update init credit */
1298 switch (line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001299 case SPEED_10000:
1300 init_crd = thresh + 553 - 22;
1301 break;
1302
1303 case SPEED_12000:
1304 init_crd = thresh + 664 - 22;
1305 break;
1306
1307 case SPEED_13000:
1308 init_crd = thresh + 742 - 22;
1309 break;
1310
1311 case SPEED_16000:
1312 init_crd = thresh + 778 - 22;
1313 break;
1314 default:
1315 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
1316 line_speed);
1317 return -EINVAL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001318 }
1319 }
1320 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
1321 DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
1322 line_speed, init_crd);
1323
1324 /* probe the credit changes */
1325 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
1326 msleep(5);
1327 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
1328
1329 /* enable port */
1330 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
1331 return 0;
1332}
1333
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00001334static u32 bnx2x_get_emac_base(struct bnx2x *bp,
1335 u32 mdc_mdio_access, u8 port)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001336{
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00001337 u32 emac_base = 0;
1338 switch (mdc_mdio_access) {
1339 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
1340 break;
1341 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
1342 if (REG_RD(bp, NIG_REG_PORT_SWAP))
1343 emac_base = GRCBASE_EMAC1;
1344 else
1345 emac_base = GRCBASE_EMAC0;
1346 break;
1347 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
Eilon Greenstein589abe32009-02-12 08:36:55 +00001348 if (REG_RD(bp, NIG_REG_PORT_SWAP))
1349 emac_base = GRCBASE_EMAC0;
1350 else
1351 emac_base = GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001352 break;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00001353 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
1354 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1355 break;
1356 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
Eilon Greenstein6378c022008-08-13 15:59:25 -07001357 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001358 break;
1359 default:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001360 break;
1361 }
1362 return emac_base;
1363
1364}
1365
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001366u8 bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
1367 u8 devad, u16 reg, u16 val)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001368{
1369 u32 tmp, saved_mode;
1370 u8 i, rc = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001371
1372 /* set clause 45 mode, slow down the MDIO clock to 2.5MHz
1373 * (a value of 49==0x31) and make sure that the AUTO poll is off
1374 */
Eilon Greenstein589abe32009-02-12 08:36:55 +00001375
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001376 saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001377 tmp = saved_mode & ~(EMAC_MDIO_MODE_AUTO_POLL |
1378 EMAC_MDIO_MODE_CLOCK_CNT);
1379 tmp |= (EMAC_MDIO_MODE_CLAUSE_45 |
1380 (49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001381 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, tmp);
1382 REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001383 udelay(40);
1384
1385 /* address */
1386
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001387 tmp = ((phy->addr << 21) | (devad << 16) | reg |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001388 EMAC_MDIO_COMM_COMMAND_ADDRESS |
1389 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001390 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001391
1392 for (i = 0; i < 50; i++) {
1393 udelay(10);
1394
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001395 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001396 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
1397 udelay(5);
1398 break;
1399 }
1400 }
1401 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
1402 DP(NETIF_MSG_LINK, "write phy register failed\n");
1403 rc = -EFAULT;
1404 } else {
1405 /* data */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001406 tmp = ((phy->addr << 21) | (devad << 16) | val |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001407 EMAC_MDIO_COMM_COMMAND_WRITE_45 |
1408 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001409 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001410
1411 for (i = 0; i < 50; i++) {
1412 udelay(10);
1413
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001414 tmp = REG_RD(bp, phy->mdio_ctrl +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001415 EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001416 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
1417 udelay(5);
1418 break;
1419 }
1420 }
1421 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
1422 DP(NETIF_MSG_LINK, "write phy register failed\n");
1423 rc = -EFAULT;
1424 }
1425 }
1426
1427 /* Restore the saved mode */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001428 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001429
1430 return rc;
1431}
1432
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001433u8 bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
1434 u8 devad, u16 reg, u16 *ret_val)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001435{
1436 u32 val, saved_mode;
1437 u16 i;
1438 u8 rc = 0;
1439
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001440 /* set clause 45 mode, slow down the MDIO clock to 2.5MHz
1441 * (a value of 49==0x31) and make sure that the AUTO poll is off
1442 */
Eilon Greenstein589abe32009-02-12 08:36:55 +00001443
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001444 saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
1445 val = saved_mode & ~((EMAC_MDIO_MODE_AUTO_POLL |
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001446 EMAC_MDIO_MODE_CLOCK_CNT));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001447 val |= (EMAC_MDIO_MODE_CLAUSE_45 |
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00001448 (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001449 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val);
1450 REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001451 udelay(40);
1452
1453 /* address */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001454 val = ((phy->addr << 21) | (devad << 16) | reg |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001455 EMAC_MDIO_COMM_COMMAND_ADDRESS |
1456 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001457 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001458
1459 for (i = 0; i < 50; i++) {
1460 udelay(10);
1461
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001462 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001463 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
1464 udelay(5);
1465 break;
1466 }
1467 }
1468 if (val & EMAC_MDIO_COMM_START_BUSY) {
1469 DP(NETIF_MSG_LINK, "read phy register failed\n");
1470
1471 *ret_val = 0;
1472 rc = -EFAULT;
1473
1474 } else {
1475 /* data */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001476 val = ((phy->addr << 21) | (devad << 16) |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001477 EMAC_MDIO_COMM_COMMAND_READ_45 |
1478 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001479 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001480
1481 for (i = 0; i < 50; i++) {
1482 udelay(10);
1483
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001484 val = REG_RD(bp, phy->mdio_ctrl +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001485 EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001486 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
1487 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
1488 break;
1489 }
1490 }
1491 if (val & EMAC_MDIO_COMM_START_BUSY) {
1492 DP(NETIF_MSG_LINK, "read phy register failed\n");
1493
1494 *ret_val = 0;
1495 rc = -EFAULT;
1496 }
1497 }
1498
1499 /* Restore the saved mode */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001500 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001501
1502 return rc;
1503}
1504
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001505u8 bnx2x_phy_read(struct link_params *params, u8 phy_addr,
1506 u8 devad, u16 reg, u16 *ret_val)
1507{
1508 u8 phy_index;
1509 /**
1510 * Probe for the phy according to the given phy_addr, and execute
1511 * the read request on it
1512 */
1513 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
1514 if (params->phy[phy_index].addr == phy_addr) {
1515 return bnx2x_cl45_read(params->bp,
1516 &params->phy[phy_index], devad,
1517 reg, ret_val);
1518 }
1519 }
1520 return -EINVAL;
1521}
1522
1523u8 bnx2x_phy_write(struct link_params *params, u8 phy_addr,
1524 u8 devad, u16 reg, u16 val)
1525{
1526 u8 phy_index;
1527 /**
1528 * Probe for the phy according to the given phy_addr, and execute
1529 * the write request on it
1530 */
1531 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
1532 if (params->phy[phy_index].addr == phy_addr) {
1533 return bnx2x_cl45_write(params->bp,
1534 &params->phy[phy_index], devad,
1535 reg, val);
1536 }
1537 }
1538 return -EINVAL;
1539}
1540
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001541static void bnx2x_set_aer_mmd_xgxs(struct link_params *params,
1542 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001543{
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001544 u32 ser_lane;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001545 u16 offset, aer_val;
1546 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001547 ser_lane = ((params->lane_config &
1548 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1549 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
1550
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001551 offset = phy->addr + ser_lane;
1552 if (CHIP_IS_E2(bp))
Yaniv Rosner82a0d472011-01-18 04:33:52 +00001553 aer_val = 0x3800 + offset - 1;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001554 else
1555 aer_val = 0x3800 + offset;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001556 CL45_WR_OVER_CL22(bp, phy, MDIO_REG_BANK_AER_BLOCK,
1557 MDIO_AER_BLOCK_AER_REG, aer_val);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001558}
1559static void bnx2x_set_aer_mmd_serdes(struct bnx2x *bp,
1560 struct bnx2x_phy *phy)
1561{
1562 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001563 MDIO_REG_BANK_AER_BLOCK,
1564 MDIO_AER_BLOCK_AER_REG, 0x3800);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001565}
1566
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001567/******************************************************************/
1568/* Internal phy section */
1569/******************************************************************/
1570
1571static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
1572{
1573 u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1574
1575 /* Set Clause 22 */
1576 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
1577 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
1578 udelay(500);
1579 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
1580 udelay(500);
1581 /* Set Clause 45 */
1582 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
1583}
1584
1585static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
1586{
1587 u32 val;
1588
1589 DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
1590
1591 val = SERDES_RESET_BITS << (port*16);
1592
1593 /* reset and unreset the SerDes/XGXS */
1594 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
1595 udelay(500);
1596 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
1597
1598 bnx2x_set_serdes_access(bp, port);
1599
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001600 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
1601 DEFAULT_PHY_DEV_ADDR);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001602}
1603
1604static void bnx2x_xgxs_deassert(struct link_params *params)
1605{
1606 struct bnx2x *bp = params->bp;
1607 u8 port;
1608 u32 val;
1609 DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
1610 port = params->port;
1611
1612 val = XGXS_RESET_BITS << (port*16);
1613
1614 /* reset and unreset the SerDes/XGXS */
1615 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
1616 udelay(500);
1617 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
1618
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001619 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001620 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001621 params->phy[INT_PHY].def_md_devad);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001622}
1623
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001624
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001625void bnx2x_link_status_update(struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001626 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001627{
1628 struct bnx2x *bp = params->bp;
1629 u8 link_10g;
1630 u8 port = params->port;
1631
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001632 vars->link_status = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001633 offsetof(struct shmem_region,
1634 port_mb[port].link_status));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001635
1636 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
1637
1638 if (vars->link_up) {
1639 DP(NETIF_MSG_LINK, "phy link up\n");
1640
1641 vars->phy_link_up = 1;
1642 vars->duplex = DUPLEX_FULL;
1643 switch (vars->link_status &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001644 LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001645 case LINK_10THD:
1646 vars->duplex = DUPLEX_HALF;
1647 /* fall thru */
1648 case LINK_10TFD:
1649 vars->line_speed = SPEED_10;
1650 break;
1651
1652 case LINK_100TXHD:
1653 vars->duplex = DUPLEX_HALF;
1654 /* fall thru */
1655 case LINK_100T4:
1656 case LINK_100TXFD:
1657 vars->line_speed = SPEED_100;
1658 break;
1659
1660 case LINK_1000THD:
1661 vars->duplex = DUPLEX_HALF;
1662 /* fall thru */
1663 case LINK_1000TFD:
1664 vars->line_speed = SPEED_1000;
1665 break;
1666
1667 case LINK_2500THD:
1668 vars->duplex = DUPLEX_HALF;
1669 /* fall thru */
1670 case LINK_2500TFD:
1671 vars->line_speed = SPEED_2500;
1672 break;
1673
1674 case LINK_10GTFD:
1675 vars->line_speed = SPEED_10000;
1676 break;
1677
1678 case LINK_12GTFD:
1679 vars->line_speed = SPEED_12000;
1680 break;
1681
1682 case LINK_12_5GTFD:
1683 vars->line_speed = SPEED_12500;
1684 break;
1685
1686 case LINK_13GTFD:
1687 vars->line_speed = SPEED_13000;
1688 break;
1689
1690 case LINK_15GTFD:
1691 vars->line_speed = SPEED_15000;
1692 break;
1693
1694 case LINK_16GTFD:
1695 vars->line_speed = SPEED_16000;
1696 break;
1697
1698 default:
1699 break;
1700 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001701 vars->flow_ctrl = 0;
1702 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
1703 vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
1704
1705 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
1706 vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
1707
1708 if (!vars->flow_ctrl)
1709 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
1710
1711 if (vars->line_speed &&
1712 ((vars->line_speed == SPEED_10) ||
1713 (vars->line_speed == SPEED_100))) {
1714 vars->phy_flags |= PHY_SGMII_FLAG;
1715 } else {
1716 vars->phy_flags &= ~PHY_SGMII_FLAG;
1717 }
1718
1719 /* anything 10 and over uses the bmac */
1720 link_10g = ((vars->line_speed == SPEED_10000) ||
1721 (vars->line_speed == SPEED_12000) ||
1722 (vars->line_speed == SPEED_12500) ||
1723 (vars->line_speed == SPEED_13000) ||
1724 (vars->line_speed == SPEED_15000) ||
1725 (vars->line_speed == SPEED_16000));
1726 if (link_10g)
1727 vars->mac_type = MAC_TYPE_BMAC;
1728 else
1729 vars->mac_type = MAC_TYPE_EMAC;
1730
1731 } else { /* link down */
1732 DP(NETIF_MSG_LINK, "phy link down\n");
1733
1734 vars->phy_link_up = 0;
1735
1736 vars->line_speed = 0;
1737 vars->duplex = DUPLEX_FULL;
1738 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
1739
1740 /* indicate no mac active */
1741 vars->mac_type = MAC_TYPE_NONE;
1742 }
1743
1744 DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x\n",
1745 vars->link_status, vars->phy_link_up);
1746 DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
1747 vars->line_speed, vars->duplex, vars->flow_ctrl);
1748}
1749
1750
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001751static void bnx2x_set_master_ln(struct link_params *params,
1752 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001753{
1754 struct bnx2x *bp = params->bp;
1755 u16 new_master_ln, ser_lane;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001756 ser_lane = ((params->lane_config &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001757 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001758 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001759
1760 /* set the master_ln for AN */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001761 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001762 MDIO_REG_BANK_XGXS_BLOCK2,
1763 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
1764 &new_master_ln);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001765
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001766 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001767 MDIO_REG_BANK_XGXS_BLOCK2 ,
1768 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
1769 (new_master_ln | ser_lane));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001770}
1771
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001772static u8 bnx2x_reset_unicore(struct link_params *params,
1773 struct bnx2x_phy *phy,
1774 u8 set_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001775{
1776 struct bnx2x *bp = params->bp;
1777 u16 mii_control;
1778 u16 i;
1779
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001780 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001781 MDIO_REG_BANK_COMBO_IEEE0,
1782 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001783
1784 /* reset the unicore */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001785 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001786 MDIO_REG_BANK_COMBO_IEEE0,
1787 MDIO_COMBO_IEEE0_MII_CONTROL,
1788 (mii_control |
1789 MDIO_COMBO_IEEO_MII_CONTROL_RESET));
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001790 if (set_serdes)
1791 bnx2x_set_serdes_access(bp, params->port);
Eilon Greensteinc1b73992009-02-12 08:37:07 +00001792
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001793 /* wait for the reset to self clear */
1794 for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
1795 udelay(5);
1796
1797 /* the reset erased the previous bank value */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001798 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001799 MDIO_REG_BANK_COMBO_IEEE0,
1800 MDIO_COMBO_IEEE0_MII_CONTROL,
1801 &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001802
1803 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
1804 udelay(5);
1805 return 0;
1806 }
1807 }
1808
1809 DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
1810 return -EINVAL;
1811
1812}
1813
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001814static void bnx2x_set_swap_lanes(struct link_params *params,
1815 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001816{
1817 struct bnx2x *bp = params->bp;
1818 /* Each two bits represents a lane number:
1819 No swap is 0123 => 0x1b no need to enable the swap */
1820 u16 ser_lane, rx_lane_swap, tx_lane_swap;
1821
1822 ser_lane = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001823 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1824 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001825 rx_lane_swap = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001826 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
1827 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001828 tx_lane_swap = ((params->lane_config &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001829 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
1830 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001831
1832 if (rx_lane_swap != 0x1b) {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001833 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001834 MDIO_REG_BANK_XGXS_BLOCK2,
1835 MDIO_XGXS_BLOCK2_RX_LN_SWAP,
1836 (rx_lane_swap |
1837 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
1838 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001839 } else {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001840 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001841 MDIO_REG_BANK_XGXS_BLOCK2,
1842 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001843 }
1844
1845 if (tx_lane_swap != 0x1b) {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001846 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001847 MDIO_REG_BANK_XGXS_BLOCK2,
1848 MDIO_XGXS_BLOCK2_TX_LN_SWAP,
1849 (tx_lane_swap |
1850 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001851 } else {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001852 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001853 MDIO_REG_BANK_XGXS_BLOCK2,
1854 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001855 }
1856}
1857
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001858static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
1859 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001860{
1861 struct bnx2x *bp = params->bp;
1862 u16 control2;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001863 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001864 MDIO_REG_BANK_SERDES_DIGITAL,
1865 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
1866 &control2);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00001867 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02001868 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
1869 else
1870 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00001871 DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
1872 phy->speed_cap_mask, control2);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001873 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001874 MDIO_REG_BANK_SERDES_DIGITAL,
1875 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
1876 control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001877
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001878 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00001879 (phy->speed_cap_mask &
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02001880 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001881 DP(NETIF_MSG_LINK, "XGXS\n");
1882
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001883 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001884 MDIO_REG_BANK_10G_PARALLEL_DETECT,
1885 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
1886 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001887
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001888 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001889 MDIO_REG_BANK_10G_PARALLEL_DETECT,
1890 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
1891 &control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001892
1893
1894 control2 |=
1895 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
1896
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001897 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001898 MDIO_REG_BANK_10G_PARALLEL_DETECT,
1899 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
1900 control2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001901
1902 /* Disable parallel detection of HiG */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001903 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001904 MDIO_REG_BANK_XGXS_BLOCK2,
1905 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
1906 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
1907 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001908 }
1909}
1910
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001911static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
1912 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001913 struct link_vars *vars,
1914 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001915{
1916 struct bnx2x *bp = params->bp;
1917 u16 reg_val;
1918
1919 /* CL37 Autoneg */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001920 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001921 MDIO_REG_BANK_COMBO_IEEE0,
1922 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001923
1924 /* CL37 Autoneg Enabled */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001925 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001926 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
1927 else /* CL37 Autoneg Disabled */
1928 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
1929 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
1930
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001931 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001932 MDIO_REG_BANK_COMBO_IEEE0,
1933 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001934
1935 /* Enable/Disable Autodetection */
1936
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001937 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001938 MDIO_REG_BANK_SERDES_DIGITAL,
1939 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00001940 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
1941 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
1942 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001943 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001944 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
1945 else
1946 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
1947
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001948 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001949 MDIO_REG_BANK_SERDES_DIGITAL,
1950 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001951
1952 /* Enable TetonII and BAM autoneg */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001953 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001954 MDIO_REG_BANK_BAM_NEXT_PAGE,
1955 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001956 &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001957 if (vars->line_speed == SPEED_AUTO_NEG) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001958 /* Enable BAM aneg Mode and TetonII aneg Mode */
1959 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
1960 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
1961 } else {
1962 /* TetonII and BAM Autoneg Disabled */
1963 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
1964 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
1965 }
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001966 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001967 MDIO_REG_BANK_BAM_NEXT_PAGE,
1968 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
1969 reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001970
Eilon Greenstein239d6862009-08-12 08:23:04 +00001971 if (enable_cl73) {
1972 /* Enable Cl73 FSM status bits */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001973 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001974 MDIO_REG_BANK_CL73_USERB0,
1975 MDIO_CL73_USERB0_CL73_UCTRL,
1976 0xe);
Eilon Greenstein239d6862009-08-12 08:23:04 +00001977
1978 /* Enable BAM Station Manager*/
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001979 CL45_WR_OVER_CL22(bp, phy,
Eilon Greenstein239d6862009-08-12 08:23:04 +00001980 MDIO_REG_BANK_CL73_USERB0,
1981 MDIO_CL73_USERB0_CL73_BAM_CTRL1,
1982 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
1983 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
1984 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
1985
Yaniv Rosner7846e472009-11-05 19:18:07 +02001986 /* Advertise CL73 link speeds */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001987 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001988 MDIO_REG_BANK_CL73_IEEEB1,
1989 MDIO_CL73_IEEEB1_AN_ADV2,
1990 &reg_val);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00001991 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02001992 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
1993 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00001994 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02001995 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
1996 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
Eilon Greenstein239d6862009-08-12 08:23:04 +00001997
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001998 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00001999 MDIO_REG_BANK_CL73_IEEEB1,
2000 MDIO_CL73_IEEEB1_AN_ADV2,
2001 reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002002
Eilon Greenstein239d6862009-08-12 08:23:04 +00002003 /* CL73 Autoneg Enabled */
2004 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
2005
2006 } else /* CL73 Autoneg Disabled */
2007 reg_val = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002008
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002009 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002010 MDIO_REG_BANK_CL73_IEEEB0,
2011 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002012}
2013
2014/* program SerDes, forced speed */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002015static void bnx2x_program_serdes(struct bnx2x_phy *phy,
2016 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002017 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002018{
2019 struct bnx2x *bp = params->bp;
2020 u16 reg_val;
2021
Eilon Greenstein57937202009-08-12 08:23:53 +00002022 /* program duplex, disable autoneg and sgmii*/
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002023 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002024 MDIO_REG_BANK_COMBO_IEEE0,
2025 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002026 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
Eilon Greenstein57937202009-08-12 08:23:53 +00002027 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
2028 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002029 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002030 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002031 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002032 MDIO_REG_BANK_COMBO_IEEE0,
2033 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002034
2035 /* program speed
2036 - needed only if the speed is greater than 1G (2.5G or 10G) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002037 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002038 MDIO_REG_BANK_SERDES_DIGITAL,
2039 MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002040 /* clearing the speed value before setting the right speed */
2041 DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
2042
2043 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
2044 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
2045
2046 if (!((vars->line_speed == SPEED_1000) ||
2047 (vars->line_speed == SPEED_100) ||
2048 (vars->line_speed == SPEED_10))) {
2049
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002050 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
2051 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002052 if (vars->line_speed == SPEED_10000)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002053 reg_val |=
2054 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002055 if (vars->line_speed == SPEED_13000)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002056 reg_val |=
2057 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002058 }
2059
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002060 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002061 MDIO_REG_BANK_SERDES_DIGITAL,
2062 MDIO_SERDES_DIGITAL_MISC1, reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002063
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002064}
2065
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002066static void bnx2x_set_brcm_cl37_advertisment(struct bnx2x_phy *phy,
2067 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002068{
2069 struct bnx2x *bp = params->bp;
2070 u16 val = 0;
2071
2072 /* configure the 48 bits for BAM AN */
2073
2074 /* set extended capabilities */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002075 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002076 val |= MDIO_OVER_1G_UP1_2_5G;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002077 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002078 val |= MDIO_OVER_1G_UP1_10G;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002079 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002080 MDIO_REG_BANK_OVER_1G,
2081 MDIO_OVER_1G_UP1, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002082
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002083 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002084 MDIO_REG_BANK_OVER_1G,
2085 MDIO_OVER_1G_UP3, 0x400);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002086}
2087
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002088static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
2089 struct link_params *params, u16 *ieee_fc)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002090{
Yaniv Rosnerd5cb9e92009-11-05 19:18:10 +02002091 struct bnx2x *bp = params->bp;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002092 *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002093 /* resolve pause mode and advertisement
2094 * Please refer to Table 28B-3 of the 802.3ab-1999 spec */
2095
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002096 switch (phy->req_flow_ctrl) {
David S. Millerc0700f92008-12-16 23:53:20 -08002097 case BNX2X_FLOW_CTRL_AUTO:
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002098 if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
2099 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
2100 else
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002101 *ieee_fc |=
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002102 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002103 break;
David S. Millerc0700f92008-12-16 23:53:20 -08002104 case BNX2X_FLOW_CTRL_TX:
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002105 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002106 break;
2107
David S. Millerc0700f92008-12-16 23:53:20 -08002108 case BNX2X_FLOW_CTRL_RX:
2109 case BNX2X_FLOW_CTRL_BOTH:
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002110 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002111 break;
2112
David S. Millerc0700f92008-12-16 23:53:20 -08002113 case BNX2X_FLOW_CTRL_NONE:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002114 default:
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002115 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002116 break;
2117 }
Yaniv Rosnerd5cb9e92009-11-05 19:18:10 +02002118 DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002119}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002120
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002121static void bnx2x_set_ieee_aneg_advertisment(struct bnx2x_phy *phy,
2122 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002123 u16 ieee_fc)
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002124{
2125 struct bnx2x *bp = params->bp;
Yaniv Rosner7846e472009-11-05 19:18:07 +02002126 u16 val;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002127 /* for AN, we are always publishing full duplex */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002128
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002129 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002130 MDIO_REG_BANK_COMBO_IEEE0,
2131 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002132 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002133 MDIO_REG_BANK_CL73_IEEEB1,
2134 MDIO_CL73_IEEEB1_AN_ADV1, &val);
Yaniv Rosner7846e472009-11-05 19:18:07 +02002135 val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
2136 val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002137 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002138 MDIO_REG_BANK_CL73_IEEEB1,
2139 MDIO_CL73_IEEEB1_AN_ADV1, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002140}
2141
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002142static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
2143 struct link_params *params,
2144 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002145{
2146 struct bnx2x *bp = params->bp;
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00002147 u16 mii_control;
Eilon Greenstein239d6862009-08-12 08:23:04 +00002148
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002149 DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00002150 /* Enable and restart BAM/CL37 aneg */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002151
Eilon Greenstein239d6862009-08-12 08:23:04 +00002152 if (enable_cl73) {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002153 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002154 MDIO_REG_BANK_CL73_IEEEB0,
2155 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
2156 &mii_control);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002157
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002158 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002159 MDIO_REG_BANK_CL73_IEEEB0,
2160 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
2161 (mii_control |
2162 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
2163 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
Eilon Greenstein239d6862009-08-12 08:23:04 +00002164 } else {
2165
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002166 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002167 MDIO_REG_BANK_COMBO_IEEE0,
2168 MDIO_COMBO_IEEE0_MII_CONTROL,
2169 &mii_control);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002170 DP(NETIF_MSG_LINK,
2171 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
2172 mii_control);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002173 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002174 MDIO_REG_BANK_COMBO_IEEE0,
2175 MDIO_COMBO_IEEE0_MII_CONTROL,
2176 (mii_control |
2177 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
2178 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
Eilon Greenstein239d6862009-08-12 08:23:04 +00002179 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002180}
2181
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002182static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
2183 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002184 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002185{
2186 struct bnx2x *bp = params->bp;
2187 u16 control1;
2188
2189 /* in SGMII mode, the unicore is always slave */
2190
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002191 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002192 MDIO_REG_BANK_SERDES_DIGITAL,
2193 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
2194 &control1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002195 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
2196 /* set sgmii mode (and not fiber) */
2197 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
2198 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
2199 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002200 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002201 MDIO_REG_BANK_SERDES_DIGITAL,
2202 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
2203 control1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002204
2205 /* if forced speed */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002206 if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002207 /* set speed, disable autoneg */
2208 u16 mii_control;
2209
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002210 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002211 MDIO_REG_BANK_COMBO_IEEE0,
2212 MDIO_COMBO_IEEE0_MII_CONTROL,
2213 &mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002214 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
2215 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
2216 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
2217
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002218 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002219 case SPEED_100:
2220 mii_control |=
2221 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
2222 break;
2223 case SPEED_1000:
2224 mii_control |=
2225 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
2226 break;
2227 case SPEED_10:
2228 /* there is nothing to set for 10M */
2229 break;
2230 default:
2231 /* invalid speed for SGMII */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002232 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2233 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002234 break;
2235 }
2236
2237 /* setting the full duplex */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002238 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002239 mii_control |=
2240 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002241 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002242 MDIO_REG_BANK_COMBO_IEEE0,
2243 MDIO_COMBO_IEEE0_MII_CONTROL,
2244 mii_control);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002245
2246 } else { /* AN mode */
2247 /* enable and restart AN */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002248 bnx2x_restart_autoneg(phy, params, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002249 }
2250}
2251
2252
2253/*
2254 * link management
2255 */
2256
2257static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002258{ /* LD LP */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002259 switch (pause_result) { /* ASYM P ASYM P */
2260 case 0xb: /* 1 0 1 1 */
David S. Millerc0700f92008-12-16 23:53:20 -08002261 vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002262 break;
2263
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002264 case 0xe: /* 1 1 1 0 */
David S. Millerc0700f92008-12-16 23:53:20 -08002265 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002266 break;
2267
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002268 case 0x5: /* 0 1 0 1 */
2269 case 0x7: /* 0 1 1 1 */
2270 case 0xd: /* 1 1 0 1 */
2271 case 0xf: /* 1 1 1 1 */
David S. Millerc0700f92008-12-16 23:53:20 -08002272 vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002273 break;
2274
2275 default:
2276 break;
2277 }
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002278 if (pause_result & (1<<0))
2279 vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
2280 if (pause_result & (1<<1))
2281 vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002282}
2283
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002284static u8 bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
2285 struct link_params *params)
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02002286{
2287 struct bnx2x *bp = params->bp;
2288 u16 pd_10g, status2_1000x;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002289 if (phy->req_line_speed != SPEED_AUTO_NEG)
2290 return 0;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002291 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002292 MDIO_REG_BANK_SERDES_DIGITAL,
2293 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
2294 &status2_1000x);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002295 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002296 MDIO_REG_BANK_SERDES_DIGITAL,
2297 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
2298 &status2_1000x);
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02002299 if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
2300 DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
2301 params->port);
2302 return 1;
2303 }
2304
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002305 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002306 MDIO_REG_BANK_10G_PARALLEL_DETECT,
2307 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
2308 &pd_10g);
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02002309
2310 if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
2311 DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
2312 params->port);
2313 return 1;
2314 }
2315 return 0;
2316}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002317
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002318static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
2319 struct link_params *params,
2320 struct link_vars *vars,
2321 u32 gp_status)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002322{
2323 struct bnx2x *bp = params->bp;
Eilon Greenstein3196a882008-08-13 15:58:49 -07002324 u16 ld_pause; /* local driver */
2325 u16 lp_pause; /* link partner */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002326 u16 pause_result;
2327
David S. Millerc0700f92008-12-16 23:53:20 -08002328 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002329
2330 /* resolve from gp_status in case of AN complete and not sgmii */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002331 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
2332 vars->flow_ctrl = phy->req_flow_ctrl;
2333 else if (phy->req_line_speed != SPEED_AUTO_NEG)
2334 vars->flow_ctrl = params->req_fc_auto_adv;
2335 else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
2336 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002337 if (bnx2x_direct_parallel_detect_used(phy, params)) {
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02002338 vars->flow_ctrl = params->req_fc_auto_adv;
2339 return;
2340 }
Yaniv Rosner7846e472009-11-05 19:18:07 +02002341 if ((gp_status &
2342 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
2343 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
2344 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
2345 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
2346
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002347 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002348 MDIO_REG_BANK_CL73_IEEEB1,
2349 MDIO_CL73_IEEEB1_AN_ADV1,
2350 &ld_pause);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002351 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002352 MDIO_REG_BANK_CL73_IEEEB1,
2353 MDIO_CL73_IEEEB1_AN_LP_ADV1,
2354 &lp_pause);
Yaniv Rosner7846e472009-11-05 19:18:07 +02002355 pause_result = (ld_pause &
2356 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
2357 >> 8;
2358 pause_result |= (lp_pause &
2359 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
2360 >> 10;
2361 DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
2362 pause_result);
2363 } else {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002364 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002365 MDIO_REG_BANK_COMBO_IEEE0,
2366 MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
2367 &ld_pause);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002368 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002369 MDIO_REG_BANK_COMBO_IEEE0,
2370 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
2371 &lp_pause);
Yaniv Rosner7846e472009-11-05 19:18:07 +02002372 pause_result = (ld_pause &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002373 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
Yaniv Rosner7846e472009-11-05 19:18:07 +02002374 pause_result |= (lp_pause &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002375 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
Yaniv Rosner7846e472009-11-05 19:18:07 +02002376 DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
2377 pause_result);
2378 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002379 bnx2x_pause_resolve(vars, pause_result);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002380 }
2381 DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
2382}
2383
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002384static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
2385 struct link_params *params)
Eilon Greenstein239d6862009-08-12 08:23:04 +00002386{
2387 struct bnx2x *bp = params->bp;
2388 u16 rx_status, ustat_val, cl37_fsm_recieved;
2389 DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
2390 /* Step 1: Make sure signal is detected */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002391 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002392 MDIO_REG_BANK_RX0,
2393 MDIO_RX0_RX_STATUS,
2394 &rx_status);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002395 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
2396 (MDIO_RX0_RX_STATUS_SIGDET)) {
2397 DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
2398 "rx_status(0x80b0) = 0x%x\n", rx_status);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002399 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002400 MDIO_REG_BANK_CL73_IEEEB0,
2401 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
2402 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002403 return;
2404 }
2405 /* Step 2: Check CL73 state machine */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002406 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002407 MDIO_REG_BANK_CL73_USERB0,
2408 MDIO_CL73_USERB0_CL73_USTAT1,
2409 &ustat_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002410 if ((ustat_val &
2411 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
2412 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
2413 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
2414 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
2415 DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
2416 "ustat_val(0x8371) = 0x%x\n", ustat_val);
2417 return;
2418 }
2419 /* Step 3: Check CL37 Message Pages received to indicate LP
2420 supports only CL37 */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002421 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002422 MDIO_REG_BANK_REMOTE_PHY,
2423 MDIO_REMOTE_PHY_MISC_RX_STATUS,
2424 &cl37_fsm_recieved);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002425 if ((cl37_fsm_recieved &
2426 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
2427 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
2428 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
2429 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
2430 DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
2431 "misc_rx_status(0x8330) = 0x%x\n",
2432 cl37_fsm_recieved);
2433 return;
2434 }
2435 /* The combined cl37/cl73 fsm state information indicating that we are
2436 connected to a device which does not support cl73, but does support
2437 cl37 BAM. In this case we disable cl73 and restart cl37 auto-neg */
2438 /* Disable CL73 */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002439 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002440 MDIO_REG_BANK_CL73_IEEEB0,
2441 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
2442 0);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002443 /* Restart CL37 autoneg */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002444 bnx2x_restart_autoneg(phy, params, 0);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002445 DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
2446}
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002447
2448static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
2449 struct link_params *params,
2450 struct link_vars *vars,
2451 u32 gp_status)
2452{
2453 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
2454 vars->link_status |=
2455 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
2456
2457 if (bnx2x_direct_parallel_detect_used(phy, params))
2458 vars->link_status |=
2459 LINK_STATUS_PARALLEL_DETECTION_USED;
2460}
2461
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002462static u8 bnx2x_link_settings_status(struct bnx2x_phy *phy,
2463 struct link_params *params,
2464 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002465{
2466 struct bnx2x *bp = params->bp;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002467 u16 new_line_speed, gp_status;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002468 u8 rc = 0;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002469
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002470 /* Read gp_status */
2471 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002472 MDIO_REG_BANK_GP_STATUS,
2473 MDIO_GP_STATUS_TOP_AN_STATUS1,
2474 &gp_status);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00002475
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002476 if (phy->req_line_speed == SPEED_AUTO_NEG)
2477 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002478 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
2479 DP(NETIF_MSG_LINK, "phy link up gp_status=0x%x\n",
2480 gp_status);
2481
2482 vars->phy_link_up = 1;
2483 vars->link_status |= LINK_STATUS_LINK_UP;
2484
2485 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
2486 vars->duplex = DUPLEX_FULL;
2487 else
2488 vars->duplex = DUPLEX_HALF;
2489
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002490 if (SINGLE_MEDIA_DIRECT(params)) {
2491 bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
2492 if (phy->req_line_speed == SPEED_AUTO_NEG)
2493 bnx2x_xgxs_an_resolve(phy, params, vars,
2494 gp_status);
2495 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002496
2497 switch (gp_status & GP_STATUS_SPEED_MASK) {
2498 case GP_STATUS_10M:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002499 new_line_speed = SPEED_10;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002500 if (vars->duplex == DUPLEX_FULL)
2501 vars->link_status |= LINK_10TFD;
2502 else
2503 vars->link_status |= LINK_10THD;
2504 break;
2505
2506 case GP_STATUS_100M:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002507 new_line_speed = SPEED_100;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002508 if (vars->duplex == DUPLEX_FULL)
2509 vars->link_status |= LINK_100TXFD;
2510 else
2511 vars->link_status |= LINK_100TXHD;
2512 break;
2513
2514 case GP_STATUS_1G:
2515 case GP_STATUS_1G_KX:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002516 new_line_speed = SPEED_1000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002517 if (vars->duplex == DUPLEX_FULL)
2518 vars->link_status |= LINK_1000TFD;
2519 else
2520 vars->link_status |= LINK_1000THD;
2521 break;
2522
2523 case GP_STATUS_2_5G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002524 new_line_speed = SPEED_2500;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002525 if (vars->duplex == DUPLEX_FULL)
2526 vars->link_status |= LINK_2500TFD;
2527 else
2528 vars->link_status |= LINK_2500THD;
2529 break;
2530
2531 case GP_STATUS_5G:
2532 case GP_STATUS_6G:
2533 DP(NETIF_MSG_LINK,
2534 "link speed unsupported gp_status 0x%x\n",
2535 gp_status);
2536 return -EINVAL;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002537
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002538 case GP_STATUS_10G_KX4:
2539 case GP_STATUS_10G_HIG:
2540 case GP_STATUS_10G_CX4:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002541 new_line_speed = SPEED_10000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002542 vars->link_status |= LINK_10GTFD;
2543 break;
2544
2545 case GP_STATUS_12G_HIG:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002546 new_line_speed = SPEED_12000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002547 vars->link_status |= LINK_12GTFD;
2548 break;
2549
2550 case GP_STATUS_12_5G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002551 new_line_speed = SPEED_12500;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002552 vars->link_status |= LINK_12_5GTFD;
2553 break;
2554
2555 case GP_STATUS_13G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002556 new_line_speed = SPEED_13000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002557 vars->link_status |= LINK_13GTFD;
2558 break;
2559
2560 case GP_STATUS_15G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002561 new_line_speed = SPEED_15000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002562 vars->link_status |= LINK_15GTFD;
2563 break;
2564
2565 case GP_STATUS_16G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002566 new_line_speed = SPEED_16000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002567 vars->link_status |= LINK_16GTFD;
2568 break;
2569
2570 default:
2571 DP(NETIF_MSG_LINK,
2572 "link speed unsupported gp_status 0x%x\n",
2573 gp_status);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002574 return -EINVAL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002575 }
2576
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002577 vars->line_speed = new_line_speed;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002578
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002579 } else { /* link_down */
2580 DP(NETIF_MSG_LINK, "phy link down\n");
2581
2582 vars->phy_link_up = 0;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002583
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002584 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08002585 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002586 vars->mac_type = MAC_TYPE_NONE;
Eilon Greenstein239d6862009-08-12 08:23:04 +00002587
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002588 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
2589 SINGLE_MEDIA_DIRECT(params)) {
Eilon Greenstein239d6862009-08-12 08:23:04 +00002590 /* Check signal is detected */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002591 bnx2x_check_fallback_to_cl37(phy, params);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002592 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002593 }
2594
Frans Pop2381a552010-03-24 07:57:36 +00002595 DP(NETIF_MSG_LINK, "gp_status 0x%x phy_link_up %x line_speed %x\n",
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002596 gp_status, vars->phy_link_up, vars->line_speed);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002597 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
2598 vars->duplex, vars->flow_ctrl, vars->link_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002599 return rc;
2600}
2601
Eilon Greensteined8680a2009-02-12 08:37:12 +00002602static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002603{
2604 struct bnx2x *bp = params->bp;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002605 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002606 u16 lp_up2;
2607 u16 tx_driver;
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00002608 u16 bank;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002609
2610 /* read precomp */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002611 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002612 MDIO_REG_BANK_OVER_1G,
2613 MDIO_OVER_1G_LP_UP2, &lp_up2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002614
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002615 /* bits [10:7] at lp_up2, positioned at [15:12] */
2616 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
2617 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
2618 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
2619
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00002620 if (lp_up2 == 0)
2621 return;
2622
2623 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
2624 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002625 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002626 bank,
2627 MDIO_TX0_TX_DRIVER, &tx_driver);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00002628
2629 /* replace tx_driver bits [15:12] */
2630 if (lp_up2 !=
2631 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
2632 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
2633 tx_driver |= lp_up2;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002634 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002635 bank,
2636 MDIO_TX0_TX_DRIVER, tx_driver);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00002637 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002638 }
2639}
2640
2641static u8 bnx2x_emac_program(struct link_params *params,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002642 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002643{
2644 struct bnx2x *bp = params->bp;
2645 u8 port = params->port;
2646 u16 mode = 0;
2647
2648 DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
2649 bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002650 EMAC_REG_EMAC_MODE,
2651 (EMAC_MODE_25G_MODE |
2652 EMAC_MODE_PORT_MII_10M |
2653 EMAC_MODE_HALF_DUPLEX));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002654 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002655 case SPEED_10:
2656 mode |= EMAC_MODE_PORT_MII_10M;
2657 break;
2658
2659 case SPEED_100:
2660 mode |= EMAC_MODE_PORT_MII;
2661 break;
2662
2663 case SPEED_1000:
2664 mode |= EMAC_MODE_PORT_GMII;
2665 break;
2666
2667 case SPEED_2500:
2668 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
2669 break;
2670
2671 default:
2672 /* 10G not valid for EMAC */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002673 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2674 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002675 return -EINVAL;
2676 }
2677
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002678 if (vars->duplex == DUPLEX_HALF)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002679 mode |= EMAC_MODE_HALF_DUPLEX;
2680 bnx2x_bits_en(bp,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002681 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
2682 mode);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002683
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00002684 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002685 return 0;
2686}
2687
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002688static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
2689 struct link_params *params)
2690{
2691
2692 u16 bank, i = 0;
2693 struct bnx2x *bp = params->bp;
2694
2695 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
2696 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
2697 CL45_WR_OVER_CL22(bp, phy,
2698 bank,
2699 MDIO_RX0_RX_EQ_BOOST,
2700 phy->rx_preemphasis[i]);
2701 }
2702
2703 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
2704 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
2705 CL45_WR_OVER_CL22(bp, phy,
2706 bank,
2707 MDIO_TX0_TX_DRIVER,
2708 phy->tx_preemphasis[i]);
2709 }
2710}
2711
2712static void bnx2x_init_internal_phy(struct bnx2x_phy *phy,
2713 struct link_params *params,
2714 struct link_vars *vars)
2715{
2716 struct bnx2x *bp = params->bp;
2717 u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
2718 (params->loopback_mode == LOOPBACK_XGXS));
2719 if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
2720 if (SINGLE_MEDIA_DIRECT(params) &&
2721 (params->feature_config_flags &
2722 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
2723 bnx2x_set_preemphasis(phy, params);
2724
2725 /* forced speed requested? */
2726 if (vars->line_speed != SPEED_AUTO_NEG ||
2727 (SINGLE_MEDIA_DIRECT(params) &&
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002728 params->loopback_mode == LOOPBACK_EXT)) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002729 DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
2730
2731 /* disable autoneg */
2732 bnx2x_set_autoneg(phy, params, vars, 0);
2733
2734 /* program speed and duplex */
2735 bnx2x_program_serdes(phy, params, vars);
2736
2737 } else { /* AN_mode */
2738 DP(NETIF_MSG_LINK, "not SGMII, AN\n");
2739
2740 /* AN enabled */
2741 bnx2x_set_brcm_cl37_advertisment(phy, params);
2742
2743 /* program duplex & pause advertisement (for aneg) */
2744 bnx2x_set_ieee_aneg_advertisment(phy, params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002745 vars->ieee_fc);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002746
2747 /* enable autoneg */
2748 bnx2x_set_autoneg(phy, params, vars, enable_cl73);
2749
2750 /* enable and restart AN */
2751 bnx2x_restart_autoneg(phy, params, enable_cl73);
2752 }
2753
2754 } else { /* SGMII mode */
2755 DP(NETIF_MSG_LINK, "SGMII\n");
2756
2757 bnx2x_initialize_sgmii_process(phy, params, vars);
2758 }
2759}
2760
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002761static u8 bnx2x_init_serdes(struct bnx2x_phy *phy,
2762 struct link_params *params,
2763 struct link_vars *vars)
2764{
2765 u8 rc;
2766 vars->phy_flags |= PHY_SGMII_FLAG;
2767 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002768 bnx2x_set_aer_mmd_serdes(params->bp, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002769 rc = bnx2x_reset_unicore(params, phy, 1);
2770 /* reset the SerDes and wait for reset bit return low */
2771 if (rc != 0)
2772 return rc;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002773 bnx2x_set_aer_mmd_serdes(params->bp, phy);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002774
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002775 return rc;
2776}
2777
2778static u8 bnx2x_init_xgxs(struct bnx2x_phy *phy,
2779 struct link_params *params,
2780 struct link_vars *vars)
2781{
2782 u8 rc;
2783 vars->phy_flags = PHY_XGXS_FLAG;
2784 if ((phy->req_line_speed &&
2785 ((phy->req_line_speed == SPEED_100) ||
2786 (phy->req_line_speed == SPEED_10))) ||
2787 (!phy->req_line_speed &&
2788 (phy->speed_cap_mask >=
2789 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
2790 (phy->speed_cap_mask <
2791 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
2792 ))
2793 vars->phy_flags |= PHY_SGMII_FLAG;
2794 else
2795 vars->phy_flags &= ~PHY_SGMII_FLAG;
2796
2797 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002798 bnx2x_set_aer_mmd_xgxs(params, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002799 bnx2x_set_master_ln(params, phy);
2800
2801 rc = bnx2x_reset_unicore(params, phy, 0);
2802 /* reset the SerDes and wait for reset bit return low */
2803 if (rc != 0)
2804 return rc;
2805
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002806 bnx2x_set_aer_mmd_xgxs(params, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002807
2808 /* setting the masterLn_def again after the reset */
2809 bnx2x_set_master_ln(params, phy);
2810 bnx2x_set_swap_lanes(params, phy);
2811
2812 return rc;
2813}
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002814
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002815static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
2816 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002817{
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002818 u16 cnt, ctrl;
Yaniv Rosner62b29a52010-09-07 11:40:58 +00002819 /* Wait for soft reset to get cleared upto 1 sec */
2820 for (cnt = 0; cnt < 1000; cnt++) {
2821 bnx2x_cl45_read(bp, phy,
2822 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, &ctrl);
2823 if (!(ctrl & (1<<15)))
2824 break;
2825 msleep(1);
2826 }
2827 DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
2828 return cnt;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002829}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002830
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002831static void bnx2x_link_int_enable(struct link_params *params)
2832{
2833 u8 port = params->port;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002834 u32 mask;
2835 struct bnx2x *bp = params->bp;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002836
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002837 /* setting the status to report on link up
2838 for either XGXS or SerDes */
2839
2840 if (params->switch_cfg == SWITCH_CFG_10G) {
2841 mask = (NIG_MASK_XGXS0_LINK10G |
2842 NIG_MASK_XGXS0_LINK_STATUS);
2843 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002844 if (!(SINGLE_MEDIA_DIRECT(params)) &&
2845 params->phy[INT_PHY].type !=
2846 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002847 mask |= NIG_MASK_MI_INT;
2848 DP(NETIF_MSG_LINK, "enabled external phy int\n");
2849 }
2850
2851 } else { /* SerDes */
2852 mask = NIG_MASK_SERDES0_LINK_STATUS;
2853 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002854 if (!(SINGLE_MEDIA_DIRECT(params)) &&
2855 params->phy[INT_PHY].type !=
2856 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002857 mask |= NIG_MASK_MI_INT;
2858 DP(NETIF_MSG_LINK, "enabled external phy int\n");
2859 }
2860 }
2861 bnx2x_bits_en(bp,
2862 NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
2863 mask);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002864
2865 DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002866 (params->switch_cfg == SWITCH_CFG_10G),
2867 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002868 DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
2869 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
2870 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
2871 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
2872 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
2873 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
2874 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
2875}
2876
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002877static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
2878 u8 exp_mi_int)
Eilon Greenstein2f904462009-08-12 08:22:16 +00002879{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002880 u32 latch_status = 0;
2881
2882 /**
2883 * Disable the MI INT ( external phy int ) by writing 1 to the
2884 * status register. Link down indication is high-active-signal,
2885 * so in this case we need to write the status to clear the XOR
Eilon Greenstein2f904462009-08-12 08:22:16 +00002886 */
2887 /* Read Latched signals */
2888 latch_status = REG_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002889 NIG_REG_LATCH_STATUS_0 + port*8);
2890 DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
Eilon Greenstein2f904462009-08-12 08:22:16 +00002891 /* Handle only those with latched-signal=up.*/
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002892 if (exp_mi_int)
2893 bnx2x_bits_en(bp,
2894 NIG_REG_STATUS_INTERRUPT_PORT0
2895 + port*4,
2896 NIG_STATUS_EMAC0_MI_INT);
2897 else
2898 bnx2x_bits_dis(bp,
2899 NIG_REG_STATUS_INTERRUPT_PORT0
2900 + port*4,
2901 NIG_STATUS_EMAC0_MI_INT);
2902
Eilon Greenstein2f904462009-08-12 08:22:16 +00002903 if (latch_status & 1) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002904
Eilon Greenstein2f904462009-08-12 08:22:16 +00002905 /* For all latched-signal=up : Re-Arm Latch signals */
2906 REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002907 (latch_status & 0xfffe) | (latch_status & 1));
Eilon Greenstein2f904462009-08-12 08:22:16 +00002908 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002909 /* For all latched-signal=up,Write original_signal to status */
Eilon Greenstein2f904462009-08-12 08:22:16 +00002910}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002911
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002912static void bnx2x_link_int_ack(struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002913 struct link_vars *vars, u8 is_10g)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002914{
2915 struct bnx2x *bp = params->bp;
2916 u8 port = params->port;
2917
2918 /* first reset all status
2919 * we assume only one line will be change at a time */
2920 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00002921 (NIG_STATUS_XGXS0_LINK10G |
2922 NIG_STATUS_XGXS0_LINK_STATUS |
2923 NIG_STATUS_SERDES0_LINK_STATUS));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002924 if (vars->phy_link_up) {
2925 if (is_10g) {
2926 /* Disable the 10G link interrupt
2927 * by writing 1 to the status register
2928 */
2929 DP(NETIF_MSG_LINK, "10G XGXS phy link up\n");
2930 bnx2x_bits_en(bp,
2931 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
2932 NIG_STATUS_XGXS0_LINK10G);
2933
2934 } else if (params->switch_cfg == SWITCH_CFG_10G) {
2935 /* Disable the link interrupt
2936 * by writing 1 to the relevant lane
2937 * in the status register
2938 */
2939 u32 ser_lane = ((params->lane_config &
2940 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
2941 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
2942
Eilon Greenstein2f904462009-08-12 08:22:16 +00002943 DP(NETIF_MSG_LINK, "%d speed XGXS phy link up\n",
2944 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002945 bnx2x_bits_en(bp,
2946 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
2947 ((1 << ser_lane) <<
2948 NIG_STATUS_XGXS0_LINK_STATUS_SIZE));
2949
2950 } else { /* SerDes */
2951 DP(NETIF_MSG_LINK, "SerDes phy link up\n");
2952 /* Disable the link interrupt
2953 * by writing 1 to the status register
2954 */
2955 bnx2x_bits_en(bp,
2956 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
2957 NIG_STATUS_SERDES0_LINK_STATUS);
2958 }
2959
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002960 }
2961}
2962
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002963static u8 bnx2x_format_ver(u32 num, u8 *str, u16 *len)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002964{
2965 u8 *str_ptr = str;
2966 u32 mask = 0xf0000000;
2967 u8 shift = 8*4;
2968 u8 digit;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002969 u8 remove_leading_zeros = 1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002970 if (*len < 10) {
Frederik Schwarzer025dfda2008-10-16 19:02:37 +02002971 /* Need more than 10chars for this format */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002972 *str_ptr = '\0';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002973 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002974 return -EINVAL;
2975 }
2976 while (shift > 0) {
2977
2978 shift -= 4;
2979 digit = ((num & mask) >> shift);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002980 if (digit == 0 && remove_leading_zeros) {
2981 mask = mask >> 4;
2982 continue;
2983 } else if (digit < 0xa)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002984 *str_ptr = digit + '0';
2985 else
2986 *str_ptr = digit - 0xa + 'a';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002987 remove_leading_zeros = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002988 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002989 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002990 mask = mask >> 4;
2991 if (shift == 4*4) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002992 *str_ptr = '.';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002993 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002994 (*len)--;
2995 remove_leading_zeros = 1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002996 }
2997 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002998 return 0;
2999}
3000
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003001
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003002static u8 bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
3003{
3004 str[0] = '\0';
3005 (*len)--;
3006 return 0;
3007}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003008
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003009u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
3010 u8 *version, u16 len)
3011{
Julia Lawall0376d5b2009-07-19 05:26:35 +00003012 struct bnx2x *bp;
Eilon Greensteina35da8d2009-02-12 08:37:02 +00003013 u32 spirom_ver = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003014 u8 status = 0;
3015 u8 *ver_p = version;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003016 u16 remain_len = len;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003017 if (version == NULL || params == NULL)
3018 return -EINVAL;
Julia Lawall0376d5b2009-07-19 05:26:35 +00003019 bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003020
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003021 /* Extract first external phy*/
3022 version[0] = '\0';
3023 spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
Eilon Greensteina35da8d2009-02-12 08:37:02 +00003024
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003025 if (params->phy[EXT_PHY1].format_fw_ver) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003026 status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
3027 ver_p,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003028 &remain_len);
3029 ver_p += (len - remain_len);
3030 }
3031 if ((params->num_phys == MAX_PHYS) &&
3032 (params->phy[EXT_PHY2].ver_addr != 0)) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003033 spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003034 if (params->phy[EXT_PHY2].format_fw_ver) {
3035 *ver_p = '/';
3036 ver_p++;
3037 remain_len--;
3038 status |= params->phy[EXT_PHY2].format_fw_ver(
3039 spirom_ver,
3040 ver_p,
3041 &remain_len);
3042 ver_p = version + (len - remain_len);
3043 }
3044 }
3045 *ver_p = '\0';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003046 return status;
3047}
3048
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003049static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
Yaniv Rosner62b29a52010-09-07 11:40:58 +00003050 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003051{
3052 u8 port = params->port;
3053 struct bnx2x *bp = params->bp;
3054
Yaniv Rosner62b29a52010-09-07 11:40:58 +00003055 if (phy->req_line_speed != SPEED_1000) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07003056 u32 md_devad;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003057
3058 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
3059
3060 /* change the uni_phy_addr in the nig */
3061 md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003062 port*0x18));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003063
3064 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5);
3065
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003066 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003067 5,
3068 (MDIO_REG_BANK_AER_BLOCK +
3069 (MDIO_AER_BLOCK_AER_REG & 0xf)),
3070 0x2800);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003071
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003072 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003073 5,
3074 (MDIO_REG_BANK_CL73_IEEEB0 +
3075 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
3076 0x6041);
Eilon Greenstein38582762009-01-14 06:44:16 +00003077 msleep(200);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003078 /* set aer mmd back */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003079 bnx2x_set_aer_mmd_xgxs(params, phy);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003080
3081 /* and md_devad */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003082 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, md_devad);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003083 } else {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003084 u16 mii_ctrl;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003085 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003086 bnx2x_cl45_read(bp, phy, 5,
3087 (MDIO_REG_BANK_COMBO_IEEE0 +
3088 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
3089 &mii_ctrl);
3090 bnx2x_cl45_write(bp, phy, 5,
3091 (MDIO_REG_BANK_COMBO_IEEE0 +
3092 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
3093 mii_ctrl |
3094 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003095 }
3096}
3097
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003098u8 bnx2x_set_led(struct link_params *params,
3099 struct link_vars *vars, u8 mode, u32 speed)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003100{
Yaniv Rosner7846e472009-11-05 19:18:07 +02003101 u8 port = params->port;
3102 u16 hw_led_mode = params->hw_led_mode;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003103 u8 rc = 0, phy_idx;
Eilon Greenstein345b5d52008-08-13 15:58:12 -07003104 u32 tmp;
3105 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Yaniv Rosner7846e472009-11-05 19:18:07 +02003106 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003107 DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
3108 DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
3109 speed, hw_led_mode);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003110 /* In case */
3111 for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
3112 if (params->phy[phy_idx].set_link_led) {
3113 params->phy[phy_idx].set_link_led(
3114 &params->phy[phy_idx], params, mode);
3115 }
3116 }
3117
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003118 switch (mode) {
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003119 case LED_MODE_FRONT_PANEL_OFF:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003120 case LED_MODE_OFF:
3121 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
3122 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003123 SHARED_HW_CFG_LED_MAC1);
Eilon Greenstein345b5d52008-08-13 15:58:12 -07003124
3125 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Eilon Greenstein3196a882008-08-13 15:58:49 -07003126 EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003127 break;
3128
3129 case LED_MODE_OPER:
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003130 /**
3131 * For all other phys, OPER mode is same as ON, so in case
3132 * link is down, do nothing
3133 **/
3134 if (!vars->link_up)
3135 break;
3136 case LED_MODE_ON:
Yaniv Rosner1f483532011-01-18 04:33:31 +00003137 if (params->phy[EXT_PHY1].type ==
3138 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727 &&
3139 CHIP_IS_E2(bp) && params->num_phys == 2) {
3140 /**
3141 * This is a work-around for E2+8727 Configurations
3142 */
3143 if (mode == LED_MODE_ON ||
3144 speed == SPEED_10000){
3145 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
3146 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
3147
3148 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
3149 EMAC_WR(bp, EMAC_REG_EMAC_LED,
3150 (tmp | EMAC_LED_OVERRIDE));
3151 return rc;
3152 }
3153 } else if (SINGLE_MEDIA_DIRECT(params)) {
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003154 /**
3155 * This is a work-around for HW issue found when link
3156 * is up in CL73
3157 */
Yaniv Rosner7846e472009-11-05 19:18:07 +02003158 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
3159 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
3160 } else {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003161 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
Yaniv Rosner7846e472009-11-05 19:18:07 +02003162 }
3163
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003164 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003165 /* Set blinking rate to ~15.9Hz */
3166 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003167 LED_BLINK_RATE_VAL);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003168 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003169 port*4, 1);
Eilon Greenstein345b5d52008-08-13 15:58:12 -07003170 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003171 EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
Eilon Greenstein345b5d52008-08-13 15:58:12 -07003172
Yaniv Rosner7846e472009-11-05 19:18:07 +02003173 if (CHIP_IS_E1(bp) &&
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003174 ((speed == SPEED_2500) ||
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003175 (speed == SPEED_1000) ||
3176 (speed == SPEED_100) ||
3177 (speed == SPEED_10))) {
3178 /* On Everest 1 Ax chip versions for speeds less than
3179 10G LED scheme is different */
3180 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003181 + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003182 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003183 port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003184 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003185 port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003186 }
3187 break;
3188
3189 default:
3190 rc = -EINVAL;
3191 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
3192 mode);
3193 break;
3194 }
3195 return rc;
3196
3197}
3198
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003199/**
3200 * This function comes to reflect the actual link state read DIRECTLY from the
3201 * HW
3202 */
3203u8 bnx2x_test_link(struct link_params *params, struct link_vars *vars,
3204 u8 is_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003205{
3206 struct bnx2x *bp = params->bp;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003207 u16 gp_status = 0, phy_index = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003208 u8 ext_phy_link_up = 0, serdes_phy_type;
3209 struct link_vars temp_vars;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003210
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003211 CL45_RD_OVER_CL22(bp, &params->phy[INT_PHY],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003212 MDIO_REG_BANK_GP_STATUS,
3213 MDIO_GP_STATUS_TOP_AN_STATUS1,
3214 &gp_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003215 /* link is up only if both local phy and external phy are up */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003216 if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
3217 return -ESRCH;
3218
3219 switch (params->num_phys) {
3220 case 1:
3221 /* No external PHY */
3222 return 0;
3223 case 2:
3224 ext_phy_link_up = params->phy[EXT_PHY1].read_status(
3225 &params->phy[EXT_PHY1],
3226 params, &temp_vars);
3227 break;
3228 case 3: /* Dual Media */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003229 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
3230 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003231 serdes_phy_type = ((params->phy[phy_index].media_type ==
3232 ETH_PHY_SFP_FIBER) ||
3233 (params->phy[phy_index].media_type ==
3234 ETH_PHY_XFP_FIBER));
3235
3236 if (is_serdes != serdes_phy_type)
3237 continue;
3238 if (params->phy[phy_index].read_status) {
3239 ext_phy_link_up |=
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003240 params->phy[phy_index].read_status(
3241 &params->phy[phy_index],
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003242 params, &temp_vars);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003243 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003244 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003245 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003246 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003247 if (ext_phy_link_up)
3248 return 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003249 return -ESRCH;
3250}
3251
3252static u8 bnx2x_link_initialize(struct link_params *params,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003253 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003254{
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003255 u8 rc = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003256 u8 phy_index, non_ext_phy;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003257 struct bnx2x *bp = params->bp;
3258 /**
3259 * In case of external phy existence, the line speed would be the
3260 * line speed linked up by the external phy. In case it is direct
3261 * only, then the line_speed during initialization will be
3262 * equal to the req_line_speed
3263 */
3264 vars->line_speed = params->phy[INT_PHY].req_line_speed;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003265
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003266 /**
3267 * Initialize the internal phy in case this is a direct board
3268 * (no external phys), or this board has external phy which requires
3269 * to first.
3270 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003271
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003272 if (params->phy[INT_PHY].config_init)
3273 params->phy[INT_PHY].config_init(
3274 &params->phy[INT_PHY],
3275 params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003276
3277 /* init ext phy and enable link state int */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003278 non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003279 (params->loopback_mode == LOOPBACK_XGXS));
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003280
3281 if (non_ext_phy ||
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003282 (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
Eilon Greenstein8660d8c2009-03-02 08:01:02 +00003283 (params->loopback_mode == LOOPBACK_EXT_PHY)) {
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003284 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003285 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003286 bnx2x_set_parallel_detection(phy, params);
3287 bnx2x_init_internal_phy(phy, params, vars);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003288 }
3289
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00003290 /* Init external phy*/
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003291 if (!non_ext_phy)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003292 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
3293 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003294 /**
3295 * No need to initialize second phy in case of first
3296 * phy only selection. In case of second phy, we do
3297 * need to initialize the first phy, since they are
3298 * connected.
3299 **/
3300 if (phy_index == EXT_PHY2 &&
3301 (bnx2x_phy_selection(params) ==
3302 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
3303 DP(NETIF_MSG_LINK, "Not initializing"
3304 "second phy\n");
3305 continue;
3306 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003307 params->phy[phy_index].config_init(
3308 &params->phy[phy_index],
3309 params, vars);
3310 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003311
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003312 /* Reset the interrupt indication after phy was initialized */
3313 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
3314 params->port*4,
3315 (NIG_STATUS_XGXS0_LINK10G |
3316 NIG_STATUS_XGXS0_LINK_STATUS |
3317 NIG_STATUS_SERDES0_LINK_STATUS |
3318 NIG_MASK_MI_INT));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003319 return rc;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003320}
3321
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003322static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
3323 struct link_params *params)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003324{
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003325 /* reset the SerDes/XGXS */
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003326 REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
3327 (0x1ff << (params->port*16)));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003328}
3329
3330static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
3331 struct link_params *params)
3332{
3333 struct bnx2x *bp = params->bp;
3334 u8 gpio_port;
3335 /* HW reset */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003336 if (CHIP_IS_E2(bp))
3337 gpio_port = BP_PATH(bp);
3338 else
3339 gpio_port = params->port;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003340 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003341 MISC_REGISTERS_GPIO_OUTPUT_LOW,
3342 gpio_port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003343 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003344 MISC_REGISTERS_GPIO_OUTPUT_LOW,
3345 gpio_port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003346 DP(NETIF_MSG_LINK, "reset external PHY\n");
3347}
3348
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003349static u8 bnx2x_update_link_down(struct link_params *params,
3350 struct link_vars *vars)
3351{
3352 struct bnx2x *bp = params->bp;
3353 u8 port = params->port;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003354
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003355 DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003356 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003357
3358 /* indicate no mac active */
3359 vars->mac_type = MAC_TYPE_NONE;
3360
3361 /* update shared memory */
3362 vars->link_status = 0;
3363 vars->line_speed = 0;
3364 bnx2x_update_mng(params, vars->link_status);
3365
3366 /* activate nig drain */
3367 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
3368
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00003369 /* disable emac */
3370 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
3371
3372 msleep(10);
3373
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003374 /* reset BigMac */
3375 bnx2x_bmac_rx_disable(bp, params->port);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003376 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
3377 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003378 return 0;
3379}
3380
3381static u8 bnx2x_update_link_up(struct link_params *params,
3382 struct link_vars *vars,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003383 u8 link_10g)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003384{
3385 struct bnx2x *bp = params->bp;
3386 u8 port = params->port;
3387 u8 rc = 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003388
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003389 vars->link_status |= LINK_STATUS_LINK_UP;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003390
Yaniv Rosner7aa07112010-09-07 11:41:01 +00003391 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
3392 vars->link_status |=
3393 LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
3394
3395 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
3396 vars->link_status |=
3397 LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003398
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003399 if (link_10g) {
3400 bnx2x_bmac_enable(params, vars, 0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00003401 bnx2x_set_led(params, vars,
3402 LED_MODE_OPER, SPEED_10000);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003403 } else {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003404 rc = bnx2x_emac_program(params, vars);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003405
Yaniv Rosner0c786f02009-11-05 19:18:32 +02003406 bnx2x_emac_enable(params, vars, 0);
3407
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003408 /* AN complete? */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00003409 if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
3410 && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
3411 SINGLE_MEDIA_DIRECT(params))
3412 bnx2x_set_gmii_tx_driver(params);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003413 }
3414
3415 /* PBF - link up */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003416 if (!(CHIP_IS_E2(bp)))
3417 rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
3418 vars->line_speed);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003419
3420 /* disable drain */
3421 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
3422
3423 /* update shared memory */
3424 bnx2x_update_mng(params, vars->link_status);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00003425 msleep(20);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003426 return rc;
3427}
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003428/**
3429 * The bnx2x_link_update function should be called upon link
3430 * interrupt.
3431 * Link is considered up as follows:
3432 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
3433 * to be up
3434 * - SINGLE_MEDIA - The link between the 577xx and the external
3435 * phy (XGXS) need to up as well as the external link of the
3436 * phy (PHY_EXT1)
3437 * - DUAL_MEDIA - The link between the 577xx and the first
3438 * external phy needs to be up, and at least one of the 2
3439 * external phy link must be up.
Yaniv Rosner62b29a52010-09-07 11:40:58 +00003440 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003441u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars)
3442{
3443 struct bnx2x *bp = params->bp;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003444 struct link_vars phy_vars[MAX_PHYS];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003445 u8 port = params->port;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003446 u8 link_10g, phy_index;
3447 u8 ext_phy_link_up = 0, cur_link_up, rc = 0;
Eilon Greenstein2f904462009-08-12 08:22:16 +00003448 u8 is_mi_int = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003449 u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
3450 u8 active_external_phy = INT_PHY;
3451 vars->link_status = 0;
3452 for (phy_index = INT_PHY; phy_index < params->num_phys;
3453 phy_index++) {
3454 phy_vars[phy_index].flow_ctrl = 0;
3455 phy_vars[phy_index].link_status = 0;
3456 phy_vars[phy_index].line_speed = 0;
3457 phy_vars[phy_index].duplex = DUPLEX_FULL;
3458 phy_vars[phy_index].phy_link_up = 0;
3459 phy_vars[phy_index].link_up = 0;
3460 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003461
3462 DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00003463 port, (vars->phy_flags & PHY_XGXS_FLAG),
3464 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003465
Eilon Greenstein2f904462009-08-12 08:22:16 +00003466 is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003467 port*0x18) > 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003468 DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00003469 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
3470 is_mi_int,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003471 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003472
3473 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
3474 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
3475 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
3476
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00003477 /* disable emac */
3478 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
3479
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003480 /**
3481 * Step 1:
3482 * Check external link change only for external phys, and apply
3483 * priority selection between them in case the link on both phys
3484 * is up. Note that the instead of the common vars, a temporary
3485 * vars argument is used since each phy may have different link/
3486 * speed/duplex result
3487 */
3488 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
3489 phy_index++) {
3490 struct bnx2x_phy *phy = &params->phy[phy_index];
3491 if (!phy->read_status)
3492 continue;
3493 /* Read link status and params of this ext phy */
3494 cur_link_up = phy->read_status(phy, params,
3495 &phy_vars[phy_index]);
3496 if (cur_link_up) {
3497 DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
3498 phy_index);
3499 } else {
3500 DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
3501 phy_index);
3502 continue;
3503 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003504
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003505 if (!ext_phy_link_up) {
3506 ext_phy_link_up = 1;
3507 active_external_phy = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003508 } else {
3509 switch (bnx2x_phy_selection(params)) {
3510 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
3511 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
3512 /**
3513 * In this option, the first PHY makes sure to pass the
3514 * traffic through itself only.
3515 * Its not clear how to reset the link on the second phy
3516 **/
3517 active_external_phy = EXT_PHY1;
3518 break;
3519 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
3520 /**
3521 * In this option, the first PHY makes sure to pass the
3522 * traffic through the second PHY.
3523 **/
3524 active_external_phy = EXT_PHY2;
3525 break;
3526 default:
3527 /**
3528 * Link indication on both PHYs with the following cases
3529 * is invalid:
3530 * - FIRST_PHY means that second phy wasn't initialized,
3531 * hence its link is expected to be down
3532 * - SECOND_PHY means that first phy should not be able
3533 * to link up by itself (using configuration)
3534 * - DEFAULT should be overriden during initialiazation
3535 **/
3536 DP(NETIF_MSG_LINK, "Invalid link indication"
3537 "mpc=0x%x. DISABLING LINK !!!\n",
3538 params->multi_phy_config);
3539 ext_phy_link_up = 0;
3540 break;
3541 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003542 }
3543 }
3544 prev_line_speed = vars->line_speed;
3545 /**
3546 * Step 2:
3547 * Read the status of the internal phy. In case of
3548 * DIRECT_SINGLE_MEDIA board, this link is the external link,
3549 * otherwise this is the link between the 577xx and the first
3550 * external phy
3551 */
3552 if (params->phy[INT_PHY].read_status)
3553 params->phy[INT_PHY].read_status(
3554 &params->phy[INT_PHY],
3555 params, vars);
3556 /**
3557 * The INT_PHY flow control reside in the vars. This include the
3558 * case where the speed or flow control are not set to AUTO.
3559 * Otherwise, the active external phy flow control result is set
3560 * to the vars. The ext_phy_line_speed is needed to check if the
3561 * speed is different between the internal phy and external phy.
3562 * This case may be result of intermediate link speed change.
3563 */
3564 if (active_external_phy > INT_PHY) {
3565 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
3566 /**
3567 * Link speed is taken from the XGXS. AN and FC result from
3568 * the external phy.
3569 */
3570 vars->link_status |= phy_vars[active_external_phy].link_status;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003571
3572 /**
3573 * if active_external_phy is first PHY and link is up - disable
3574 * disable TX on second external PHY
3575 */
3576 if (active_external_phy == EXT_PHY1) {
3577 if (params->phy[EXT_PHY2].phy_specific_func) {
3578 DP(NETIF_MSG_LINK, "Disabling TX on"
3579 " EXT_PHY2\n");
3580 params->phy[EXT_PHY2].phy_specific_func(
3581 &params->phy[EXT_PHY2],
3582 params, DISABLE_TX);
3583 }
3584 }
3585
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003586 ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
3587 vars->duplex = phy_vars[active_external_phy].duplex;
3588 if (params->phy[active_external_phy].supported &
3589 SUPPORTED_FIBRE)
3590 vars->link_status |= LINK_STATUS_SERDES_LINK;
3591 DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
3592 active_external_phy);
3593 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003594
3595 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
3596 phy_index++) {
3597 if (params->phy[phy_index].flags &
3598 FLAGS_REARM_LATCH_SIGNAL) {
3599 bnx2x_rearm_latch_signal(bp, port,
3600 phy_index ==
3601 active_external_phy);
3602 break;
3603 }
3604 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003605 DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
3606 " ext_phy_line_speed = %d\n", vars->flow_ctrl,
3607 vars->link_status, ext_phy_line_speed);
3608 /**
3609 * Upon link speed change set the NIG into drain mode. Comes to
3610 * deals with possible FIFO glitch due to clk change when speed
3611 * is decreased without link down indicator
3612 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003613
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003614 if (vars->phy_link_up) {
3615 if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
3616 (ext_phy_line_speed != vars->line_speed)) {
3617 DP(NETIF_MSG_LINK, "Internal link speed %d is"
3618 " different than the external"
3619 " link speed %d\n", vars->line_speed,
3620 ext_phy_line_speed);
3621 vars->phy_link_up = 0;
3622 } else if (prev_line_speed != vars->line_speed) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003623 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
3624 0);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003625 msleep(1);
3626 }
3627 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003628
3629 /* anything 10 and over uses the bmac */
3630 link_10g = ((vars->line_speed == SPEED_10000) ||
3631 (vars->line_speed == SPEED_12000) ||
3632 (vars->line_speed == SPEED_12500) ||
3633 (vars->line_speed == SPEED_13000) ||
3634 (vars->line_speed == SPEED_15000) ||
3635 (vars->line_speed == SPEED_16000));
3636
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003637 bnx2x_link_int_ack(params, vars, link_10g);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003638
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003639 /**
3640 * In case external phy link is up, and internal link is down
3641 * (not initialized yet probably after link initialization, it
3642 * needs to be initialized.
3643 * Note that after link down-up as result of cable plug, the xgxs
3644 * link would probably become up again without the need
3645 * initialize it
3646 */
3647 if (!(SINGLE_MEDIA_DIRECT(params))) {
3648 DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
3649 " init_preceding = %d\n", ext_phy_link_up,
3650 vars->phy_link_up,
3651 params->phy[EXT_PHY1].flags &
3652 FLAGS_INIT_XGXS_FIRST);
3653 if (!(params->phy[EXT_PHY1].flags &
3654 FLAGS_INIT_XGXS_FIRST)
3655 && ext_phy_link_up && !vars->phy_link_up) {
3656 vars->line_speed = ext_phy_line_speed;
3657 if (vars->line_speed < SPEED_1000)
3658 vars->phy_flags |= PHY_SGMII_FLAG;
3659 else
3660 vars->phy_flags &= ~PHY_SGMII_FLAG;
3661 bnx2x_init_internal_phy(&params->phy[INT_PHY],
3662 params,
3663 vars);
3664 }
3665 }
3666 /**
3667 * Link is up only if both local phy and external phy (in case of
3668 * non-direct board) are up
3669 */
3670 vars->link_up = (vars->phy_link_up &&
3671 (ext_phy_link_up ||
3672 SINGLE_MEDIA_DIRECT(params)));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003673
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003674 if (vars->link_up)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003675 rc = bnx2x_update_link_up(params, vars, link_10g);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003676 else
3677 rc = bnx2x_update_link_down(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003678
3679 return rc;
3680}
3681
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003682
3683/*****************************************************************************/
3684/* External Phy section */
3685/*****************************************************************************/
3686void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003687{
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003688 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003689 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003690 msleep(1);
3691 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003692 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003693}
3694
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003695static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
3696 u32 spirom_ver, u32 ver_addr)
3697{
3698 DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
3699 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
3700
3701 if (ver_addr)
3702 REG_WR(bp, ver_addr, spirom_ver);
3703}
3704
3705static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
3706 struct bnx2x_phy *phy,
3707 u8 port)
3708{
3709 u16 fw_ver1, fw_ver2;
3710
3711 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003712 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003713 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003714 MDIO_PMA_REG_ROM_VER2, &fw_ver2);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003715 bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
3716 phy->ver_addr);
3717}
3718
3719static void bnx2x_ext_phy_set_pause(struct link_params *params,
3720 struct bnx2x_phy *phy,
3721 struct link_vars *vars)
3722{
3723 u16 val;
3724 struct bnx2x *bp = params->bp;
3725 /* read modify write pause advertizing */
3726 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3727
3728 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3729
3730 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3731 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3732 if ((vars->ieee_fc &
3733 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3734 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003735 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003736 }
3737 if ((vars->ieee_fc &
3738 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3739 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3740 val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3741 }
3742 DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3743 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3744}
3745
3746static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3747 struct link_params *params,
3748 struct link_vars *vars)
3749{
3750 struct bnx2x *bp = params->bp;
3751 u16 ld_pause; /* local */
3752 u16 lp_pause; /* link partner */
3753 u16 pause_result;
3754 u8 ret = 0;
3755 /* read twice */
3756
3757 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3758
3759 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
3760 vars->flow_ctrl = phy->req_flow_ctrl;
3761 else if (phy->req_line_speed != SPEED_AUTO_NEG)
3762 vars->flow_ctrl = params->req_fc_auto_adv;
3763 else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3764 ret = 1;
3765 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003766 MDIO_AN_DEVAD,
3767 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003768 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003769 MDIO_AN_DEVAD,
3770 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003771 pause_result = (ld_pause &
3772 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3773 pause_result |= (lp_pause &
3774 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3775 DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
3776 pause_result);
3777 bnx2x_pause_resolve(vars, pause_result);
3778 }
3779 return ret;
3780}
3781
3782static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
3783 struct bnx2x_phy *phy,
3784 struct link_vars *vars)
3785{
3786 u16 val;
3787 bnx2x_cl45_read(bp, phy,
3788 MDIO_AN_DEVAD,
3789 MDIO_AN_REG_STATUS, &val);
3790 bnx2x_cl45_read(bp, phy,
3791 MDIO_AN_DEVAD,
3792 MDIO_AN_REG_STATUS, &val);
3793 if (val & (1<<5))
3794 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
3795 if ((val & (1<<0)) == 0)
3796 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
3797}
3798
3799/******************************************************************/
3800/* common BCM8073/BCM8727 PHY SECTION */
3801/******************************************************************/
3802static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
3803 struct link_params *params,
3804 struct link_vars *vars)
3805{
3806 struct bnx2x *bp = params->bp;
3807 if (phy->req_line_speed == SPEED_10 ||
3808 phy->req_line_speed == SPEED_100) {
3809 vars->flow_ctrl = phy->req_flow_ctrl;
3810 return;
3811 }
3812
3813 if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
3814 (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
3815 u16 pause_result;
3816 u16 ld_pause; /* local */
3817 u16 lp_pause; /* link partner */
3818 bnx2x_cl45_read(bp, phy,
3819 MDIO_AN_DEVAD,
3820 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3821
3822 bnx2x_cl45_read(bp, phy,
3823 MDIO_AN_DEVAD,
3824 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3825 pause_result = (ld_pause &
3826 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
3827 pause_result |= (lp_pause &
3828 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
3829
3830 bnx2x_pause_resolve(vars, pause_result);
3831 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
3832 pause_result);
3833 }
3834}
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00003835static u8 bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003836 struct bnx2x_phy *phy,
3837 u8 port)
3838{
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00003839 u32 count = 0;
3840 u16 fw_ver1, fw_msgout;
3841 u8 rc = 0;
3842
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003843 /* Boot port from external ROM */
3844 /* EDC grst */
3845 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003846 MDIO_PMA_DEVAD,
3847 MDIO_PMA_REG_GEN_CTRL,
3848 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003849
3850 /* ucode reboot and rst */
3851 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003852 MDIO_PMA_DEVAD,
3853 MDIO_PMA_REG_GEN_CTRL,
3854 0x008c);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003855
3856 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003857 MDIO_PMA_DEVAD,
3858 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003859
3860 /* Reset internal microprocessor */
3861 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003862 MDIO_PMA_DEVAD,
3863 MDIO_PMA_REG_GEN_CTRL,
3864 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003865
3866 /* Release srst bit */
3867 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003868 MDIO_PMA_DEVAD,
3869 MDIO_PMA_REG_GEN_CTRL,
3870 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003871
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00003872 /* Delay 100ms per the PHY specifications */
3873 msleep(100);
3874
3875 /* 8073 sometimes taking longer to download */
3876 do {
3877 count++;
3878 if (count > 300) {
3879 DP(NETIF_MSG_LINK,
3880 "bnx2x_8073_8727_external_rom_boot port %x:"
3881 "Download failed. fw version = 0x%x\n",
3882 port, fw_ver1);
3883 rc = -EINVAL;
3884 break;
3885 }
3886
3887 bnx2x_cl45_read(bp, phy,
3888 MDIO_PMA_DEVAD,
3889 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
3890 bnx2x_cl45_read(bp, phy,
3891 MDIO_PMA_DEVAD,
3892 MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
3893
3894 msleep(1);
3895 } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
3896 ((fw_msgout & 0xff) != 0x03 && (phy->type ==
3897 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003898
3899 /* Clear ser_boot_ctl bit */
3900 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003901 MDIO_PMA_DEVAD,
3902 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003903 bnx2x_save_bcm_spirom_ver(bp, phy, port);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00003904
3905 DP(NETIF_MSG_LINK,
3906 "bnx2x_8073_8727_external_rom_boot port %x:"
3907 "Download complete. fw version = 0x%x\n",
3908 port, fw_ver1);
3909
3910 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003911}
3912
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003913/******************************************************************/
3914/* BCM8073 PHY SECTION */
3915/******************************************************************/
3916static u8 bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
3917{
3918 /* This is only required for 8073A1, version 102 only */
3919 u16 val;
3920
3921 /* Read 8073 HW revision*/
3922 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003923 MDIO_PMA_DEVAD,
3924 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003925
3926 if (val != 1) {
3927 /* No need to workaround in 8073 A1 */
3928 return 0;
3929 }
3930
3931 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003932 MDIO_PMA_DEVAD,
3933 MDIO_PMA_REG_ROM_VER2, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003934
3935 /* SNR should be applied only for version 0x102 */
3936 if (val != 0x102)
3937 return 0;
3938
3939 return 1;
3940}
3941
3942static u8 bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
3943{
3944 u16 val, cnt, cnt1 ;
3945
3946 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003947 MDIO_PMA_DEVAD,
3948 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003949
3950 if (val > 0) {
3951 /* No need to workaround in 8073 A1 */
3952 return 0;
3953 }
3954 /* XAUI workaround in 8073 A0: */
3955
3956 /* After loading the boot ROM and restarting Autoneg,
3957 poll Dev1, Reg $C820: */
3958
3959 for (cnt = 0; cnt < 1000; cnt++) {
3960 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00003961 MDIO_PMA_DEVAD,
3962 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
3963 &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003964 /* If bit [14] = 0 or bit [13] = 0, continue on with
3965 system initialization (XAUI work-around not required,
3966 as these bits indicate 2.5G or 1G link up). */
3967 if (!(val & (1<<14)) || !(val & (1<<13))) {
3968 DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
3969 return 0;
3970 } else if (!(val & (1<<15))) {
3971 DP(NETIF_MSG_LINK, "clc bit 15 went off\n");
3972 /* If bit 15 is 0, then poll Dev1, Reg $C841 until
3973 it's MSB (bit 15) goes to 1 (indicating that the
3974 XAUI workaround has completed),
3975 then continue on with system initialization.*/
3976 for (cnt1 = 0; cnt1 < 1000; cnt1++) {
3977 bnx2x_cl45_read(bp, phy,
3978 MDIO_PMA_DEVAD,
3979 MDIO_PMA_REG_8073_XAUI_WA, &val);
3980 if (val & (1<<15)) {
3981 DP(NETIF_MSG_LINK,
3982 "XAUI workaround has completed\n");
3983 return 0;
3984 }
3985 msleep(3);
3986 }
3987 break;
3988 }
3989 msleep(3);
3990 }
3991 DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
3992 return -EINVAL;
3993}
3994
3995static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
3996{
3997 /* Force KR or KX */
3998 bnx2x_cl45_write(bp, phy,
3999 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
4000 bnx2x_cl45_write(bp, phy,
4001 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
4002 bnx2x_cl45_write(bp, phy,
4003 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
4004 bnx2x_cl45_write(bp, phy,
4005 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
4006}
4007
4008static void bnx2x_8073_set_pause_cl37(struct link_params *params,
4009 struct bnx2x_phy *phy,
4010 struct link_vars *vars)
4011{
4012 u16 cl37_val;
4013 struct bnx2x *bp = params->bp;
4014 bnx2x_cl45_read(bp, phy,
4015 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
4016
4017 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
4018 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
4019 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
4020 if ((vars->ieee_fc &
4021 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
4022 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
4023 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
4024 }
4025 if ((vars->ieee_fc &
4026 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
4027 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
4028 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
4029 }
4030 if ((vars->ieee_fc &
4031 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
4032 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
4033 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
4034 }
4035 DP(NETIF_MSG_LINK,
4036 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
4037
4038 bnx2x_cl45_write(bp, phy,
4039 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
4040 msleep(500);
4041}
4042
4043static u8 bnx2x_8073_config_init(struct bnx2x_phy *phy,
4044 struct link_params *params,
4045 struct link_vars *vars)
4046{
4047 struct bnx2x *bp = params->bp;
4048 u16 val = 0, tmp1;
4049 u8 gpio_port;
4050 DP(NETIF_MSG_LINK, "Init 8073\n");
4051
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004052 if (CHIP_IS_E2(bp))
4053 gpio_port = BP_PATH(bp);
4054 else
4055 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004056 /* Restore normal power mode*/
4057 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004058 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004059
4060 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004061 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004062
4063 /* enable LASI */
4064 bnx2x_cl45_write(bp, phy,
4065 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, (1<<2));
4066 bnx2x_cl45_write(bp, phy,
4067 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x0004);
4068
4069 bnx2x_8073_set_pause_cl37(params, phy, vars);
4070
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004071 bnx2x_cl45_read(bp, phy,
4072 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
4073
4074 bnx2x_cl45_read(bp, phy,
4075 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
4076
4077 DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
4078
Yaniv Rosner74d7a112011-01-18 04:33:18 +00004079 /**
4080 * If this is forced speed, set to KR or KX (all other are not
4081 * supported)
4082 */
4083 /* Swap polarity if required - Must be done only in non-1G mode */
4084 if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
4085 /* Configure the 8073 to swap _P and _N of the KR lines */
4086 DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
4087 /* 10G Rx/Tx and 1G Tx signal polarity swap */
4088 bnx2x_cl45_read(bp, phy,
4089 MDIO_PMA_DEVAD,
4090 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
4091 bnx2x_cl45_write(bp, phy,
4092 MDIO_PMA_DEVAD,
4093 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
4094 (val | (3<<9)));
4095 }
4096
4097
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004098 /* Enable CL37 BAM */
Yaniv Rosner121839b2010-11-01 05:32:38 +00004099 if (REG_RD(bp, params->shmem_base +
4100 offsetof(struct shmem_region, dev_info.
4101 port_hw_config[params->port].default_cfg)) &
4102 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004103
Yaniv Rosner121839b2010-11-01 05:32:38 +00004104 bnx2x_cl45_read(bp, phy,
4105 MDIO_AN_DEVAD,
4106 MDIO_AN_REG_8073_BAM, &val);
4107 bnx2x_cl45_write(bp, phy,
4108 MDIO_AN_DEVAD,
4109 MDIO_AN_REG_8073_BAM, val | 1);
4110 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
4111 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004112 if (params->loopback_mode == LOOPBACK_EXT) {
4113 bnx2x_807x_force_10G(bp, phy);
4114 DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
4115 return 0;
4116 } else {
4117 bnx2x_cl45_write(bp, phy,
4118 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
4119 }
4120 if (phy->req_line_speed != SPEED_AUTO_NEG) {
4121 if (phy->req_line_speed == SPEED_10000) {
4122 val = (1<<7);
4123 } else if (phy->req_line_speed == SPEED_2500) {
4124 val = (1<<5);
4125 /* Note that 2.5G works only
4126 when used with 1G advertisment */
4127 } else
4128 val = (1<<5);
4129 } else {
4130 val = 0;
4131 if (phy->speed_cap_mask &
4132 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
4133 val |= (1<<7);
4134
4135 /* Note that 2.5G works only when
4136 used with 1G advertisment */
4137 if (phy->speed_cap_mask &
4138 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
4139 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
4140 val |= (1<<5);
4141 DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
4142 }
4143
4144 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
4145 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
4146
4147 if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
4148 (phy->req_line_speed == SPEED_AUTO_NEG)) ||
4149 (phy->req_line_speed == SPEED_2500)) {
4150 u16 phy_ver;
4151 /* Allow 2.5G for A1 and above */
4152 bnx2x_cl45_read(bp, phy,
4153 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
4154 &phy_ver);
4155 DP(NETIF_MSG_LINK, "Add 2.5G\n");
4156 if (phy_ver > 0)
4157 tmp1 |= 1;
4158 else
4159 tmp1 &= 0xfffe;
4160 } else {
4161 DP(NETIF_MSG_LINK, "Disable 2.5G\n");
4162 tmp1 &= 0xfffe;
4163 }
4164
4165 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
4166 /* Add support for CL37 (passive mode) II */
4167
4168 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
4169 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
4170 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
4171 0x20 : 0x40)));
4172
4173 /* Add support for CL37 (passive mode) III */
4174 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
4175
4176 /* The SNR will improve about 2db by changing
4177 BW and FEE main tap. Rest commands are executed
4178 after link is up*/
4179 if (bnx2x_8073_is_snr_needed(bp, phy))
4180 bnx2x_cl45_write(bp, phy,
4181 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
4182 0xFB0C);
4183
4184 /* Enable FEC (Forware Error Correction) Request in the AN */
4185 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
4186 tmp1 |= (1<<15);
4187 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
4188
4189 bnx2x_ext_phy_set_pause(params, phy, vars);
4190
4191 /* Restart autoneg */
4192 msleep(500);
4193 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
4194 DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
4195 ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
4196 return 0;
4197}
4198
4199static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
4200 struct link_params *params,
4201 struct link_vars *vars)
4202{
4203 struct bnx2x *bp = params->bp;
4204 u8 link_up = 0;
4205 u16 val1, val2;
4206 u16 link_status = 0;
4207 u16 an1000_status = 0;
4208
4209 bnx2x_cl45_read(bp, phy,
4210 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
4211
4212 DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
4213
4214 /* clear the interrupt LASI status register */
4215 bnx2x_cl45_read(bp, phy,
4216 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
4217 bnx2x_cl45_read(bp, phy,
4218 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
4219 DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
4220 /* Clear MSG-OUT */
4221 bnx2x_cl45_read(bp, phy,
4222 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
4223
4224 /* Check the LASI */
4225 bnx2x_cl45_read(bp, phy,
4226 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
4227
4228 DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
4229
4230 /* Check the link status */
4231 bnx2x_cl45_read(bp, phy,
4232 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
4233 DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
4234
4235 bnx2x_cl45_read(bp, phy,
4236 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
4237 bnx2x_cl45_read(bp, phy,
4238 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
4239 link_up = ((val1 & 4) == 4);
4240 DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
4241
4242 if (link_up &&
4243 ((phy->req_line_speed != SPEED_10000))) {
4244 if (bnx2x_8073_xaui_wa(bp, phy) != 0)
4245 return 0;
4246 }
4247 bnx2x_cl45_read(bp, phy,
4248 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
4249 bnx2x_cl45_read(bp, phy,
4250 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
4251
4252 /* Check the link status on 1.1.2 */
4253 bnx2x_cl45_read(bp, phy,
4254 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
4255 bnx2x_cl45_read(bp, phy,
4256 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
4257 DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
4258 "an_link_status=0x%x\n", val2, val1, an1000_status);
4259
4260 link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
4261 if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
4262 /* The SNR will improve about 2dbby
4263 changing the BW and FEE main tap.*/
4264 /* The 1st write to change FFE main
4265 tap is set before restart AN */
4266 /* Change PLL Bandwidth in EDC
4267 register */
4268 bnx2x_cl45_write(bp, phy,
4269 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
4270 0x26BC);
4271
4272 /* Change CDR Bandwidth in EDC register */
4273 bnx2x_cl45_write(bp, phy,
4274 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
4275 0x0333);
4276 }
4277 bnx2x_cl45_read(bp, phy,
4278 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
4279 &link_status);
4280
4281 /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
4282 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
4283 link_up = 1;
4284 vars->line_speed = SPEED_10000;
4285 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
4286 params->port);
4287 } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
4288 link_up = 1;
4289 vars->line_speed = SPEED_2500;
4290 DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
4291 params->port);
4292 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
4293 link_up = 1;
4294 vars->line_speed = SPEED_1000;
4295 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
4296 params->port);
4297 } else {
4298 link_up = 0;
4299 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
4300 params->port);
4301 }
4302
4303 if (link_up) {
Yaniv Rosner74d7a112011-01-18 04:33:18 +00004304 /* Swap polarity if required */
4305 if (params->lane_config &
4306 PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
4307 /* Configure the 8073 to swap P and N of the KR lines */
4308 bnx2x_cl45_read(bp, phy,
4309 MDIO_XS_DEVAD,
4310 MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
4311 /**
4312 * Set bit 3 to invert Rx in 1G mode and clear this bit
4313 * when it`s in 10G mode.
4314 */
4315 if (vars->line_speed == SPEED_1000) {
4316 DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
4317 "the 8073\n");
4318 val1 |= (1<<3);
4319 } else
4320 val1 &= ~(1<<3);
4321
4322 bnx2x_cl45_write(bp, phy,
4323 MDIO_XS_DEVAD,
4324 MDIO_XS_REG_8073_RX_CTRL_PCIE,
4325 val1);
4326 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004327 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
4328 bnx2x_8073_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00004329 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004330 }
4331 return link_up;
4332}
4333
4334static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
4335 struct link_params *params)
4336{
4337 struct bnx2x *bp = params->bp;
4338 u8 gpio_port;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004339 if (CHIP_IS_E2(bp))
4340 gpio_port = BP_PATH(bp);
4341 else
4342 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004343 DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
4344 gpio_port);
4345 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004346 MISC_REGISTERS_GPIO_OUTPUT_LOW,
4347 gpio_port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004348}
4349
4350/******************************************************************/
4351/* BCM8705 PHY SECTION */
4352/******************************************************************/
4353static u8 bnx2x_8705_config_init(struct bnx2x_phy *phy,
4354 struct link_params *params,
4355 struct link_vars *vars)
4356{
4357 struct bnx2x *bp = params->bp;
4358 DP(NETIF_MSG_LINK, "init 8705\n");
4359 /* Restore normal power mode*/
4360 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004361 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004362 /* HW reset */
4363 bnx2x_ext_phy_hw_reset(bp, params->port);
4364 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
4365 bnx2x_wait_reset_complete(bp, phy);
4366
4367 bnx2x_cl45_write(bp, phy,
4368 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
4369 bnx2x_cl45_write(bp, phy,
4370 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
4371 bnx2x_cl45_write(bp, phy,
4372 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
4373 bnx2x_cl45_write(bp, phy,
4374 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
4375 /* BCM8705 doesn't have microcode, hence the 0 */
4376 bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
4377 return 0;
4378}
4379
4380static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
4381 struct link_params *params,
4382 struct link_vars *vars)
4383{
4384 u8 link_up = 0;
4385 u16 val1, rx_sd;
4386 struct bnx2x *bp = params->bp;
4387 DP(NETIF_MSG_LINK, "read status 8705\n");
4388 bnx2x_cl45_read(bp, phy,
4389 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
4390 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
4391
4392 bnx2x_cl45_read(bp, phy,
4393 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
4394 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
4395
4396 bnx2x_cl45_read(bp, phy,
4397 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
4398
4399 bnx2x_cl45_read(bp, phy,
4400 MDIO_PMA_DEVAD, 0xc809, &val1);
4401 bnx2x_cl45_read(bp, phy,
4402 MDIO_PMA_DEVAD, 0xc809, &val1);
4403
4404 DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
4405 link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
4406 if (link_up) {
4407 vars->line_speed = SPEED_10000;
4408 bnx2x_ext_phy_resolve_fc(phy, params, vars);
4409 }
4410 return link_up;
4411}
4412
4413/******************************************************************/
4414/* SFP+ module Section */
4415/******************************************************************/
4416static void bnx2x_sfp_set_transmitter(struct bnx2x *bp,
4417 struct bnx2x_phy *phy,
4418 u8 port,
4419 u8 tx_en)
4420{
4421 u16 val;
4422
4423 DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x\n",
4424 tx_en, port);
4425 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
4426 bnx2x_cl45_read(bp, phy,
4427 MDIO_PMA_DEVAD,
4428 MDIO_PMA_REG_PHY_IDENTIFIER,
4429 &val);
4430
4431 if (tx_en)
4432 val &= ~(1<<15);
4433 else
4434 val |= (1<<15);
4435
4436 bnx2x_cl45_write(bp, phy,
4437 MDIO_PMA_DEVAD,
4438 MDIO_PMA_REG_PHY_IDENTIFIER,
4439 val);
4440}
4441
4442static u8 bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
4443 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004444 u16 addr, u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004445{
4446 struct bnx2x *bp = params->bp;
4447 u16 val = 0;
4448 u16 i;
4449 if (byte_cnt > 16) {
4450 DP(NETIF_MSG_LINK, "Reading from eeprom is"
4451 " is limited to 0xf\n");
4452 return -EINVAL;
4453 }
4454 /* Set the read command byte count */
4455 bnx2x_cl45_write(bp, phy,
4456 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004457 (byte_cnt | 0xa000));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004458
4459 /* Set the read command address */
4460 bnx2x_cl45_write(bp, phy,
4461 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004462 addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004463
4464 /* Activate read command */
4465 bnx2x_cl45_write(bp, phy,
4466 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004467 0x2c0f);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004468
4469 /* Wait up to 500us for command complete status */
4470 for (i = 0; i < 100; i++) {
4471 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004472 MDIO_PMA_DEVAD,
4473 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004474 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
4475 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
4476 break;
4477 udelay(5);
4478 }
4479
4480 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
4481 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
4482 DP(NETIF_MSG_LINK,
4483 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
4484 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
4485 return -EINVAL;
4486 }
4487
4488 /* Read the buffer */
4489 for (i = 0; i < byte_cnt; i++) {
4490 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004491 MDIO_PMA_DEVAD,
4492 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004493 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
4494 }
4495
4496 for (i = 0; i < 100; i++) {
4497 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004498 MDIO_PMA_DEVAD,
4499 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004500 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
4501 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
Joe Perches6f38ad92010-11-14 17:04:31 +00004502 return 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004503 msleep(1);
4504 }
4505 return -EINVAL;
4506}
4507
4508static u8 bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
4509 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004510 u16 addr, u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004511{
4512 struct bnx2x *bp = params->bp;
4513 u16 val, i;
4514
4515 if (byte_cnt > 16) {
4516 DP(NETIF_MSG_LINK, "Reading from eeprom is"
4517 " is limited to 0xf\n");
4518 return -EINVAL;
4519 }
4520
4521 /* Need to read from 1.8000 to clear it */
4522 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004523 MDIO_PMA_DEVAD,
4524 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
4525 &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004526
4527 /* Set the read command byte count */
4528 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004529 MDIO_PMA_DEVAD,
4530 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
4531 ((byte_cnt < 2) ? 2 : byte_cnt));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004532
4533 /* Set the read command address */
4534 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004535 MDIO_PMA_DEVAD,
4536 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
4537 addr);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004538 /* Set the destination address */
4539 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004540 MDIO_PMA_DEVAD,
4541 0x8004,
4542 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004543
4544 /* Activate read command */
4545 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004546 MDIO_PMA_DEVAD,
4547 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
4548 0x8002);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004549 /* Wait appropriate time for two-wire command to finish before
4550 polling the status register */
4551 msleep(1);
4552
4553 /* Wait up to 500us for command complete status */
4554 for (i = 0; i < 100; i++) {
4555 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004556 MDIO_PMA_DEVAD,
4557 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004558 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
4559 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
4560 break;
4561 udelay(5);
4562 }
4563
4564 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
4565 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
4566 DP(NETIF_MSG_LINK,
4567 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
4568 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
4569 return -EINVAL;
4570 }
4571
4572 /* Read the buffer */
4573 for (i = 0; i < byte_cnt; i++) {
4574 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004575 MDIO_PMA_DEVAD,
4576 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004577 o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
4578 }
4579
4580 for (i = 0; i < 100; i++) {
4581 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004582 MDIO_PMA_DEVAD,
4583 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004584 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
4585 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
Joe Perches6f38ad92010-11-14 17:04:31 +00004586 return 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004587 msleep(1);
4588 }
4589
4590 return -EINVAL;
4591}
4592
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004593u8 bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
4594 struct link_params *params, u16 addr,
4595 u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004596{
4597 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726)
4598 return bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004599 byte_cnt, o_buf);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004600 else if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727)
4601 return bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004602 byte_cnt, o_buf);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004603 return -EINVAL;
4604}
4605
4606static u8 bnx2x_get_edc_mode(struct bnx2x_phy *phy,
4607 struct link_params *params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004608 u16 *edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004609{
4610 struct bnx2x *bp = params->bp;
4611 u8 val, check_limiting_mode = 0;
4612 *edc_mode = EDC_MODE_LIMITING;
4613
4614 /* First check for copper cable */
4615 if (bnx2x_read_sfp_module_eeprom(phy,
4616 params,
4617 SFP_EEPROM_CON_TYPE_ADDR,
4618 1,
4619 &val) != 0) {
4620 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
4621 return -EINVAL;
4622 }
4623
4624 switch (val) {
4625 case SFP_EEPROM_CON_TYPE_VAL_COPPER:
4626 {
4627 u8 copper_module_type;
4628
4629 /* Check if its active cable( includes SFP+ module)
4630 of passive cable*/
4631 if (bnx2x_read_sfp_module_eeprom(phy,
4632 params,
4633 SFP_EEPROM_FC_TX_TECH_ADDR,
4634 1,
4635 &copper_module_type) !=
4636 0) {
4637 DP(NETIF_MSG_LINK,
4638 "Failed to read copper-cable-type"
4639 " from SFP+ EEPROM\n");
4640 return -EINVAL;
4641 }
4642
4643 if (copper_module_type &
4644 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
4645 DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
4646 check_limiting_mode = 1;
4647 } else if (copper_module_type &
4648 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
4649 DP(NETIF_MSG_LINK, "Passive Copper"
4650 " cable detected\n");
4651 *edc_mode =
4652 EDC_MODE_PASSIVE_DAC;
4653 } else {
4654 DP(NETIF_MSG_LINK, "Unknown copper-cable-"
4655 "type 0x%x !!!\n", copper_module_type);
4656 return -EINVAL;
4657 }
4658 break;
4659 }
4660 case SFP_EEPROM_CON_TYPE_VAL_LC:
4661 DP(NETIF_MSG_LINK, "Optic module detected\n");
4662 check_limiting_mode = 1;
4663 break;
4664 default:
4665 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
4666 val);
4667 return -EINVAL;
4668 }
4669
4670 if (check_limiting_mode) {
4671 u8 options[SFP_EEPROM_OPTIONS_SIZE];
4672 if (bnx2x_read_sfp_module_eeprom(phy,
4673 params,
4674 SFP_EEPROM_OPTIONS_ADDR,
4675 SFP_EEPROM_OPTIONS_SIZE,
4676 options) != 0) {
4677 DP(NETIF_MSG_LINK, "Failed to read Option"
4678 " field from module EEPROM\n");
4679 return -EINVAL;
4680 }
4681 if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
4682 *edc_mode = EDC_MODE_LINEAR;
4683 else
4684 *edc_mode = EDC_MODE_LIMITING;
4685 }
4686 DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
4687 return 0;
4688}
4689/* This function read the relevant field from the module ( SFP+ ),
4690 and verify it is compliant with this board */
4691static u8 bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
4692 struct link_params *params)
4693{
4694 struct bnx2x *bp = params->bp;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004695 u32 val, cmd;
4696 u32 fw_resp, fw_cmd_param;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004697 char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
4698 char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004699 phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004700 val = REG_RD(bp, params->shmem_base +
4701 offsetof(struct shmem_region, dev_info.
4702 port_feature_config[params->port].config));
4703 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
4704 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
4705 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
4706 return 0;
4707 }
4708
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004709 if (params->feature_config_flags &
4710 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
4711 /* Use specific phy request */
4712 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
4713 } else if (params->feature_config_flags &
4714 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
4715 /* Use first phy request only in case of non-dual media*/
4716 if (DUAL_MEDIA(params)) {
4717 DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
4718 "verification\n");
4719 return -EINVAL;
4720 }
4721 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
4722 } else {
4723 /* No support in OPT MDL detection */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004724 DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004725 "verification\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004726 return -EINVAL;
4727 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004728
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004729 fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
4730 fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004731 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
4732 DP(NETIF_MSG_LINK, "Approved module\n");
4733 return 0;
4734 }
4735
4736 /* format the warning message */
4737 if (bnx2x_read_sfp_module_eeprom(phy,
4738 params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004739 SFP_EEPROM_VENDOR_NAME_ADDR,
4740 SFP_EEPROM_VENDOR_NAME_SIZE,
4741 (u8 *)vendor_name))
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004742 vendor_name[0] = '\0';
4743 else
4744 vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
4745 if (bnx2x_read_sfp_module_eeprom(phy,
4746 params,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004747 SFP_EEPROM_PART_NO_ADDR,
4748 SFP_EEPROM_PART_NO_SIZE,
4749 (u8 *)vendor_pn))
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004750 vendor_pn[0] = '\0';
4751 else
4752 vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
4753
4754 netdev_info(bp->dev, "Warning: Unqualified SFP+ module detected,"
4755 " Port %d from %s part number %s\n",
4756 params->port, vendor_name, vendor_pn);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004757 phy->flags |= FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004758 return -EINVAL;
4759}
4760
4761static u8 bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
4762 struct link_params *params)
4763
4764{
4765 u8 val;
4766 struct bnx2x *bp = params->bp;
4767 u16 timeout;
4768 /* Initialization time after hot-plug may take up to 300ms for some
4769 phys type ( e.g. JDSU ) */
4770 for (timeout = 0; timeout < 60; timeout++) {
4771 if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
4772 == 0) {
4773 DP(NETIF_MSG_LINK, "SFP+ module initialization "
4774 "took %d ms\n", timeout * 5);
4775 return 0;
4776 }
4777 msleep(5);
4778 }
4779 return -EINVAL;
4780}
4781
4782static void bnx2x_8727_power_module(struct bnx2x *bp,
4783 struct bnx2x_phy *phy,
4784 u8 is_power_up) {
4785 /* Make sure GPIOs are not using for LED mode */
4786 u16 val;
4787 /*
4788 * In the GPIO register, bit 4 is use to detemine if the GPIOs are
4789 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
4790 * output
4791 * Bits 0-1 determine the gpios value for OUTPUT in case bit 4 val is 0
4792 * Bits 8-9 determine the gpios value for INPUT in case bit 4 val is 1
4793 * where the 1st bit is the over-current(only input), and 2nd bit is
4794 * for power( only output )
4795 */
4796
4797 /*
4798 * In case of NOC feature is disabled and power is up, set GPIO control
4799 * as input to enable listening of over-current indication
4800 */
4801 if (phy->flags & FLAGS_NOC)
4802 return;
4803 if (!(phy->flags &
4804 FLAGS_NOC) && is_power_up)
4805 val = (1<<4);
4806 else
4807 /*
4808 * Set GPIO control to OUTPUT, and set the power bit
4809 * to according to the is_power_up
4810 */
4811 val = ((!(is_power_up)) << 1);
4812
4813 bnx2x_cl45_write(bp, phy,
4814 MDIO_PMA_DEVAD,
4815 MDIO_PMA_REG_8727_GPIO_CTRL,
4816 val);
4817}
4818
4819static u8 bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
4820 struct bnx2x_phy *phy,
4821 u16 edc_mode)
4822{
4823 u16 cur_limiting_mode;
4824
4825 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004826 MDIO_PMA_DEVAD,
4827 MDIO_PMA_REG_ROM_VER2,
4828 &cur_limiting_mode);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004829 DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
4830 cur_limiting_mode);
4831
4832 if (edc_mode == EDC_MODE_LIMITING) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004833 DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004834 bnx2x_cl45_write(bp, phy,
4835 MDIO_PMA_DEVAD,
4836 MDIO_PMA_REG_ROM_VER2,
4837 EDC_MODE_LIMITING);
4838 } else { /* LRM mode ( default )*/
4839
4840 DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
4841
4842 /* Changing to LRM mode takes quite few seconds.
4843 So do it only if current mode is limiting
4844 ( default is LRM )*/
4845 if (cur_limiting_mode != EDC_MODE_LIMITING)
4846 return 0;
4847
4848 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004849 MDIO_PMA_DEVAD,
4850 MDIO_PMA_REG_LRM_MODE,
4851 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004852 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004853 MDIO_PMA_DEVAD,
4854 MDIO_PMA_REG_ROM_VER2,
4855 0x128);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004856 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004857 MDIO_PMA_DEVAD,
4858 MDIO_PMA_REG_MISC_CTRL0,
4859 0x4008);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004860 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004861 MDIO_PMA_DEVAD,
4862 MDIO_PMA_REG_LRM_MODE,
4863 0xaaaa);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004864 }
4865 return 0;
4866}
4867
4868static u8 bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
4869 struct bnx2x_phy *phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004870 u16 edc_mode)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004871{
4872 u16 phy_identifier;
4873 u16 rom_ver2_val;
4874 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004875 MDIO_PMA_DEVAD,
4876 MDIO_PMA_REG_PHY_IDENTIFIER,
4877 &phy_identifier);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004878
4879 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004880 MDIO_PMA_DEVAD,
4881 MDIO_PMA_REG_PHY_IDENTIFIER,
4882 (phy_identifier & ~(1<<9)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004883
4884 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004885 MDIO_PMA_DEVAD,
4886 MDIO_PMA_REG_ROM_VER2,
4887 &rom_ver2_val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004888 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
4889 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004890 MDIO_PMA_DEVAD,
4891 MDIO_PMA_REG_ROM_VER2,
4892 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004893
4894 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004895 MDIO_PMA_DEVAD,
4896 MDIO_PMA_REG_PHY_IDENTIFIER,
4897 (phy_identifier | (1<<9)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004898
4899 return 0;
4900}
4901
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004902static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
4903 struct link_params *params,
4904 u32 action)
4905{
4906 struct bnx2x *bp = params->bp;
4907
4908 switch (action) {
4909 case DISABLE_TX:
4910 bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
4911 break;
4912 case ENABLE_TX:
4913 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
4914 bnx2x_sfp_set_transmitter(bp, phy, params->port, 1);
4915 break;
4916 default:
4917 DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
4918 action);
4919 return;
4920 }
4921}
4922
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004923static u8 bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
4924 struct link_params *params)
4925{
4926 struct bnx2x *bp = params->bp;
4927 u16 edc_mode;
4928 u8 rc = 0;
4929
4930 u32 val = REG_RD(bp, params->shmem_base +
4931 offsetof(struct shmem_region, dev_info.
4932 port_feature_config[params->port].config));
4933
4934 DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
4935 params->port);
4936
4937 if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
4938 DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
4939 return -EINVAL;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00004940 } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004941 /* check SFP+ module compatibility */
4942 DP(NETIF_MSG_LINK, "Module verification failed!!\n");
4943 rc = -EINVAL;
4944 /* Turn on fault module-detected led */
4945 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
4946 MISC_REGISTERS_GPIO_HIGH,
4947 params->port);
4948 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) &&
4949 ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
4950 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN)) {
4951 /* Shutdown SFP+ module */
4952 DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
4953 bnx2x_8727_power_module(bp, phy, 0);
4954 return rc;
4955 }
4956 } else {
4957 /* Turn off fault module-detected led */
4958 DP(NETIF_MSG_LINK, "Turn off fault module-detected led\n");
4959 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
4960 MISC_REGISTERS_GPIO_LOW,
4961 params->port);
4962 }
4963
4964 /* power up the SFP module */
4965 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727)
4966 bnx2x_8727_power_module(bp, phy, 1);
4967
4968 /* Check and set limiting mode / LRM mode on 8726.
4969 On 8727 it is done automatically */
4970 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726)
4971 bnx2x_8726_set_limiting_mode(bp, phy, edc_mode);
4972 else
4973 bnx2x_8727_set_limiting_mode(bp, phy, edc_mode);
4974 /*
4975 * Enable transmit for this module if the module is approved, or
4976 * if unapproved modules should also enable the Tx laser
4977 */
4978 if (rc == 0 ||
4979 (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
4980 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
4981 bnx2x_sfp_set_transmitter(bp, phy, params->port, 1);
4982 else
4983 bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
4984
4985 return rc;
4986}
4987
4988void bnx2x_handle_module_detect_int(struct link_params *params)
4989{
4990 struct bnx2x *bp = params->bp;
4991 struct bnx2x_phy *phy = &params->phy[EXT_PHY1];
4992 u32 gpio_val;
4993 u8 port = params->port;
4994
4995 /* Set valid module led off */
4996 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
4997 MISC_REGISTERS_GPIO_HIGH,
4998 params->port);
4999
5000 /* Get current gpio val refelecting module plugged in / out*/
5001 gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port);
5002
5003 /* Call the handling function in case module is detected */
5004 if (gpio_val == 0) {
5005
5006 bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
5007 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
5008 port);
5009
5010 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
5011 bnx2x_sfp_module_detection(phy, params);
5012 else
5013 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
5014 } else {
5015 u32 val = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005016 offsetof(struct shmem_region, dev_info.
5017 port_feature_config[params->port].
5018 config));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005019
5020 bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
5021 MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
5022 port);
5023 /* Module was plugged out. */
5024 /* Disable transmit for this module */
5025 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
5026 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
5027 bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
5028 }
5029}
5030
5031/******************************************************************/
5032/* common BCM8706/BCM8726 PHY SECTION */
5033/******************************************************************/
5034static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
5035 struct link_params *params,
5036 struct link_vars *vars)
5037{
5038 u8 link_up = 0;
5039 u16 val1, val2, rx_sd, pcs_status;
5040 struct bnx2x *bp = params->bp;
5041 DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
5042 /* Clear RX Alarm*/
5043 bnx2x_cl45_read(bp, phy,
5044 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
5045 /* clear LASI indication*/
5046 bnx2x_cl45_read(bp, phy,
5047 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
5048 bnx2x_cl45_read(bp, phy,
5049 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
5050 DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
5051
5052 bnx2x_cl45_read(bp, phy,
5053 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
5054 bnx2x_cl45_read(bp, phy,
5055 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
5056 bnx2x_cl45_read(bp, phy,
5057 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
5058 bnx2x_cl45_read(bp, phy,
5059 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
5060
5061 DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
5062 " link_status 0x%x\n", rx_sd, pcs_status, val2);
5063 /* link is up if both bit 0 of pmd_rx_sd and
5064 * bit 0 of pcs_status are set, or if the autoneg bit
5065 * 1 is set
5066 */
5067 link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
5068 if (link_up) {
5069 if (val2 & (1<<1))
5070 vars->line_speed = SPEED_1000;
5071 else
5072 vars->line_speed = SPEED_10000;
5073 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00005074 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005075 }
5076 return link_up;
5077}
5078
5079/******************************************************************/
5080/* BCM8706 PHY SECTION */
5081/******************************************************************/
5082static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
5083 struct link_params *params,
5084 struct link_vars *vars)
5085{
5086 u16 cnt, val;
5087 struct bnx2x *bp = params->bp;
5088 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005089 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005090 /* HW reset */
5091 bnx2x_ext_phy_hw_reset(bp, params->port);
5092 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
5093 bnx2x_wait_reset_complete(bp, phy);
5094
5095 /* Wait until fw is loaded */
5096 for (cnt = 0; cnt < 100; cnt++) {
5097 bnx2x_cl45_read(bp, phy,
5098 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
5099 if (val)
5100 break;
5101 msleep(10);
5102 }
5103 DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
5104 if ((params->feature_config_flags &
5105 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
5106 u8 i;
5107 u16 reg;
5108 for (i = 0; i < 4; i++) {
5109 reg = MDIO_XS_8706_REG_BANK_RX0 +
5110 i*(MDIO_XS_8706_REG_BANK_RX1 -
5111 MDIO_XS_8706_REG_BANK_RX0);
5112 bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
5113 /* Clear first 3 bits of the control */
5114 val &= ~0x7;
5115 /* Set control bits according to configuration */
5116 val |= (phy->rx_preemphasis[i] & 0x7);
5117 DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
5118 " reg 0x%x <-- val 0x%x\n", reg, val);
5119 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
5120 }
5121 }
5122 /* Force speed */
5123 if (phy->req_line_speed == SPEED_10000) {
5124 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
5125
5126 bnx2x_cl45_write(bp, phy,
5127 MDIO_PMA_DEVAD,
5128 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
5129 bnx2x_cl45_write(bp, phy,
5130 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
5131 } else {
5132 /* Force 1Gbps using autoneg with 1G advertisment */
5133
5134 /* Allow CL37 through CL73 */
5135 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
5136 bnx2x_cl45_write(bp, phy,
5137 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
5138
5139 /* Enable Full-Duplex advertisment on CL37 */
5140 bnx2x_cl45_write(bp, phy,
5141 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
5142 /* Enable CL37 AN */
5143 bnx2x_cl45_write(bp, phy,
5144 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
5145 /* 1G support */
5146 bnx2x_cl45_write(bp, phy,
5147 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
5148
5149 /* Enable clause 73 AN */
5150 bnx2x_cl45_write(bp, phy,
5151 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
5152 bnx2x_cl45_write(bp, phy,
5153 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
5154 0x0400);
5155 bnx2x_cl45_write(bp, phy,
5156 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
5157 0x0004);
5158 }
5159 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
5160 return 0;
5161}
5162
5163static u8 bnx2x_8706_read_status(struct bnx2x_phy *phy,
5164 struct link_params *params,
5165 struct link_vars *vars)
5166{
5167 return bnx2x_8706_8726_read_status(phy, params, vars);
5168}
5169
5170/******************************************************************/
5171/* BCM8726 PHY SECTION */
5172/******************************************************************/
5173static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
5174 struct link_params *params)
5175{
5176 struct bnx2x *bp = params->bp;
5177 DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
5178 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
5179}
5180
5181static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
5182 struct link_params *params)
5183{
5184 struct bnx2x *bp = params->bp;
5185 /* Need to wait 100ms after reset */
5186 msleep(100);
5187
5188 /* Micro controller re-boot */
5189 bnx2x_cl45_write(bp, phy,
5190 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
5191
5192 /* Set soft reset */
5193 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005194 MDIO_PMA_DEVAD,
5195 MDIO_PMA_REG_GEN_CTRL,
5196 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005197
5198 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005199 MDIO_PMA_DEVAD,
5200 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005201
5202 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005203 MDIO_PMA_DEVAD,
5204 MDIO_PMA_REG_GEN_CTRL,
5205 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005206
5207 /* wait for 150ms for microcode load */
5208 msleep(150);
5209
5210 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
5211 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005212 MDIO_PMA_DEVAD,
5213 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005214
5215 msleep(200);
5216 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
5217}
5218
5219static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
5220 struct link_params *params,
5221 struct link_vars *vars)
5222{
5223 struct bnx2x *bp = params->bp;
5224 u16 val1;
5225 u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
5226 if (link_up) {
5227 bnx2x_cl45_read(bp, phy,
5228 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
5229 &val1);
5230 if (val1 & (1<<15)) {
5231 DP(NETIF_MSG_LINK, "Tx is disabled\n");
5232 link_up = 0;
5233 vars->line_speed = 0;
5234 }
5235 }
5236 return link_up;
5237}
5238
5239
5240static u8 bnx2x_8726_config_init(struct bnx2x_phy *phy,
5241 struct link_params *params,
5242 struct link_vars *vars)
5243{
5244 struct bnx2x *bp = params->bp;
5245 u32 val;
5246 u32 swap_val, swap_override, aeu_gpio_mask, offset;
5247 DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
5248 /* Restore normal power mode*/
5249 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
5250 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
5251
5252 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
5253 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
5254
5255 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
5256 bnx2x_wait_reset_complete(bp, phy);
5257
5258 bnx2x_8726_external_rom_boot(phy, params);
5259
5260 /* Need to call module detected on initialization since
5261 the module detection triggered by actual module
5262 insertion might occur before driver is loaded, and when
5263 driver is loaded, it reset all registers, including the
5264 transmitter */
5265 bnx2x_sfp_module_detection(phy, params);
5266
5267 if (phy->req_line_speed == SPEED_1000) {
5268 DP(NETIF_MSG_LINK, "Setting 1G force\n");
5269 bnx2x_cl45_write(bp, phy,
5270 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
5271 bnx2x_cl45_write(bp, phy,
5272 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
5273 bnx2x_cl45_write(bp, phy,
5274 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x5);
5275 bnx2x_cl45_write(bp, phy,
5276 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
5277 0x400);
5278 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5279 (phy->speed_cap_mask &
5280 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
5281 ((phy->speed_cap_mask &
5282 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
5283 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
5284 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
5285 /* Set Flow control */
5286 bnx2x_ext_phy_set_pause(params, phy, vars);
5287 bnx2x_cl45_write(bp, phy,
5288 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
5289 bnx2x_cl45_write(bp, phy,
5290 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
5291 bnx2x_cl45_write(bp, phy,
5292 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
5293 bnx2x_cl45_write(bp, phy,
5294 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
5295 bnx2x_cl45_write(bp, phy,
5296 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
5297 /* Enable RX-ALARM control to receive
5298 interrupt for 1G speed change */
5299 bnx2x_cl45_write(bp, phy,
5300 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x4);
5301 bnx2x_cl45_write(bp, phy,
5302 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
5303 0x400);
5304
5305 } else { /* Default 10G. Set only LASI control */
5306 bnx2x_cl45_write(bp, phy,
5307 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
5308 }
5309
5310 /* Set TX PreEmphasis if needed */
5311 if ((params->feature_config_flags &
5312 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
5313 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
5314 "TX_CTRL2 0x%x\n",
5315 phy->tx_preemphasis[0],
5316 phy->tx_preemphasis[1]);
5317 bnx2x_cl45_write(bp, phy,
5318 MDIO_PMA_DEVAD,
5319 MDIO_PMA_REG_8726_TX_CTRL1,
5320 phy->tx_preemphasis[0]);
5321
5322 bnx2x_cl45_write(bp, phy,
5323 MDIO_PMA_DEVAD,
5324 MDIO_PMA_REG_8726_TX_CTRL2,
5325 phy->tx_preemphasis[1]);
5326 }
5327
5328 /* Set GPIO3 to trigger SFP+ module insertion/removal */
5329 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005330 MISC_REGISTERS_GPIO_INPUT_HI_Z, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005331
5332 /* The GPIO should be swapped if the swap register is set and active */
5333 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
5334 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
5335
5336 /* Select function upon port-swap configuration */
5337 if (params->port == 0) {
5338 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
5339 aeu_gpio_mask = (swap_val && swap_override) ?
5340 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1 :
5341 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0;
5342 } else {
5343 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
5344 aeu_gpio_mask = (swap_val && swap_override) ?
5345 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 :
5346 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1;
5347 }
5348 val = REG_RD(bp, offset);
5349 /* add GPIO3 to group */
5350 val |= aeu_gpio_mask;
5351 REG_WR(bp, offset, val);
5352 return 0;
5353
5354}
5355
5356static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
5357 struct link_params *params)
5358{
5359 struct bnx2x *bp = params->bp;
5360 DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
5361 /* Set serial boot control for external load */
5362 bnx2x_cl45_write(bp, phy,
5363 MDIO_PMA_DEVAD,
5364 MDIO_PMA_REG_GEN_CTRL, 0x0001);
5365}
5366
5367/******************************************************************/
5368/* BCM8727 PHY SECTION */
5369/******************************************************************/
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005370
5371static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
5372 struct link_params *params, u8 mode)
5373{
5374 struct bnx2x *bp = params->bp;
5375 u16 led_mode_bitmask = 0;
5376 u16 gpio_pins_bitmask = 0;
5377 u16 val;
5378 /* Only NOC flavor requires to set the LED specifically */
5379 if (!(phy->flags & FLAGS_NOC))
5380 return;
5381 switch (mode) {
5382 case LED_MODE_FRONT_PANEL_OFF:
5383 case LED_MODE_OFF:
5384 led_mode_bitmask = 0;
5385 gpio_pins_bitmask = 0x03;
5386 break;
5387 case LED_MODE_ON:
5388 led_mode_bitmask = 0;
5389 gpio_pins_bitmask = 0x02;
5390 break;
5391 case LED_MODE_OPER:
5392 led_mode_bitmask = 0x60;
5393 gpio_pins_bitmask = 0x11;
5394 break;
5395 }
5396 bnx2x_cl45_read(bp, phy,
5397 MDIO_PMA_DEVAD,
5398 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
5399 &val);
5400 val &= 0xff8f;
5401 val |= led_mode_bitmask;
5402 bnx2x_cl45_write(bp, phy,
5403 MDIO_PMA_DEVAD,
5404 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
5405 val);
5406 bnx2x_cl45_read(bp, phy,
5407 MDIO_PMA_DEVAD,
5408 MDIO_PMA_REG_8727_GPIO_CTRL,
5409 &val);
5410 val &= 0xffe0;
5411 val |= gpio_pins_bitmask;
5412 bnx2x_cl45_write(bp, phy,
5413 MDIO_PMA_DEVAD,
5414 MDIO_PMA_REG_8727_GPIO_CTRL,
5415 val);
5416}
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005417static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
5418 struct link_params *params) {
5419 u32 swap_val, swap_override;
5420 u8 port;
5421 /**
5422 * The PHY reset is controlled by GPIO 1. Fake the port number
5423 * to cancel the swap done in set_gpio()
5424 */
5425 struct bnx2x *bp = params->bp;
5426 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
5427 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
5428 port = (swap_val && swap_override) ^ 1;
5429 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005430 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005431}
5432
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005433static u8 bnx2x_8727_config_init(struct bnx2x_phy *phy,
5434 struct link_params *params,
5435 struct link_vars *vars)
5436{
5437 u16 tmp1, val, mod_abs;
5438 u16 rx_alarm_ctrl_val;
5439 u16 lasi_ctrl_val;
5440 struct bnx2x *bp = params->bp;
5441 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
5442
5443 bnx2x_wait_reset_complete(bp, phy);
5444 rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
5445 lasi_ctrl_val = 0x0004;
5446
5447 DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
5448 /* enable LASI */
5449 bnx2x_cl45_write(bp, phy,
5450 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
5451 rx_alarm_ctrl_val);
5452
5453 bnx2x_cl45_write(bp, phy,
5454 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, lasi_ctrl_val);
5455
5456 /* Initially configure MOD_ABS to interrupt when
5457 module is presence( bit 8) */
5458 bnx2x_cl45_read(bp, phy,
5459 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
5460 /* Set EDC off by setting OPTXLOS signal input to low
5461 (bit 9).
5462 When the EDC is off it locks onto a reference clock and
5463 avoids becoming 'lost'.*/
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005464 mod_abs &= ~(1<<8);
5465 if (!(phy->flags & FLAGS_NOC))
5466 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005467 bnx2x_cl45_write(bp, phy,
5468 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
5469
5470
5471 /* Make MOD_ABS give interrupt on change */
5472 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
5473 &val);
5474 val |= (1<<12);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005475 if (phy->flags & FLAGS_NOC)
5476 val |= (3<<5);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005477
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005478 /**
5479 * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
5480 * status which reflect SFP+ module over-current
5481 */
5482 if (!(phy->flags & FLAGS_NOC))
5483 val &= 0xff8f; /* Reset bits 4-6 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005484 bnx2x_cl45_write(bp, phy,
5485 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
5486
5487 bnx2x_8727_power_module(bp, phy, 1);
5488
5489 bnx2x_cl45_read(bp, phy,
5490 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
5491
5492 bnx2x_cl45_read(bp, phy,
5493 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
5494
5495 /* Set option 1G speed */
5496 if (phy->req_line_speed == SPEED_1000) {
5497 DP(NETIF_MSG_LINK, "Setting 1G force\n");
5498 bnx2x_cl45_write(bp, phy,
5499 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
5500 bnx2x_cl45_write(bp, phy,
5501 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
5502 bnx2x_cl45_read(bp, phy,
5503 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
5504 DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005505 /**
5506 * Power down the XAUI until link is up in case of dual-media
5507 * and 1G
5508 */
5509 if (DUAL_MEDIA(params)) {
5510 bnx2x_cl45_read(bp, phy,
5511 MDIO_PMA_DEVAD,
5512 MDIO_PMA_REG_8727_PCS_GP, &val);
5513 val |= (3<<10);
5514 bnx2x_cl45_write(bp, phy,
5515 MDIO_PMA_DEVAD,
5516 MDIO_PMA_REG_8727_PCS_GP, val);
5517 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005518 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5519 ((phy->speed_cap_mask &
5520 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
5521 ((phy->speed_cap_mask &
5522 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
5523 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
5524
5525 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
5526 bnx2x_cl45_write(bp, phy,
5527 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
5528 bnx2x_cl45_write(bp, phy,
5529 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
5530 } else {
5531 /**
5532 * Since the 8727 has only single reset pin, need to set the 10G
5533 * registers although it is default
5534 */
5535 bnx2x_cl45_write(bp, phy,
5536 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
5537 0x0020);
5538 bnx2x_cl45_write(bp, phy,
5539 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
5540 bnx2x_cl45_write(bp, phy,
5541 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
5542 bnx2x_cl45_write(bp, phy,
5543 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
5544 0x0008);
5545 }
5546
5547 /* Set 2-wire transfer rate of SFP+ module EEPROM
5548 * to 100Khz since some DACs(direct attached cables) do
5549 * not work at 400Khz.
5550 */
5551 bnx2x_cl45_write(bp, phy,
5552 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
5553 0xa001);
5554
5555 /* Set TX PreEmphasis if needed */
5556 if ((params->feature_config_flags &
5557 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
5558 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
5559 phy->tx_preemphasis[0],
5560 phy->tx_preemphasis[1]);
5561 bnx2x_cl45_write(bp, phy,
5562 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
5563 phy->tx_preemphasis[0]);
5564
5565 bnx2x_cl45_write(bp, phy,
5566 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
5567 phy->tx_preemphasis[1]);
5568 }
5569
5570 return 0;
5571}
5572
5573static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
5574 struct link_params *params)
5575{
5576 struct bnx2x *bp = params->bp;
5577 u16 mod_abs, rx_alarm_status;
5578 u32 val = REG_RD(bp, params->shmem_base +
5579 offsetof(struct shmem_region, dev_info.
5580 port_feature_config[params->port].
5581 config));
5582 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005583 MDIO_PMA_DEVAD,
5584 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005585 if (mod_abs & (1<<8)) {
5586
5587 /* Module is absent */
5588 DP(NETIF_MSG_LINK, "MOD_ABS indication "
5589 "show module is absent\n");
5590
5591 /* 1. Set mod_abs to detect next module
5592 presence event
5593 2. Set EDC off by setting OPTXLOS signal input to low
5594 (bit 9).
5595 When the EDC is off it locks onto a reference clock and
5596 avoids becoming 'lost'.*/
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005597 mod_abs &= ~(1<<8);
5598 if (!(phy->flags & FLAGS_NOC))
5599 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005600 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005601 MDIO_PMA_DEVAD,
5602 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005603
5604 /* Clear RX alarm since it stays up as long as
5605 the mod_abs wasn't changed */
5606 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00005607 MDIO_PMA_DEVAD,
5608 MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005609
5610 } else {
5611 /* Module is present */
5612 DP(NETIF_MSG_LINK, "MOD_ABS indication "
5613 "show module is present\n");
5614 /* First thing, disable transmitter,
5615 and if the module is ok, the
5616 module_detection will enable it*/
5617
5618 /* 1. Set mod_abs to detect next module
5619 absent event ( bit 8)
5620 2. Restore the default polarity of the OPRXLOS signal and
5621 this signal will then correctly indicate the presence or
5622 absence of the Rx signal. (bit 9) */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005623 mod_abs |= (1<<8);
5624 if (!(phy->flags & FLAGS_NOC))
5625 mod_abs |= (1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005626 bnx2x_cl45_write(bp, phy,
5627 MDIO_PMA_DEVAD,
5628 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
5629
5630 /* Clear RX alarm since it stays up as long as
5631 the mod_abs wasn't changed. This is need to be done
5632 before calling the module detection, otherwise it will clear
5633 the link update alarm */
5634 bnx2x_cl45_read(bp, phy,
5635 MDIO_PMA_DEVAD,
5636 MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
5637
5638
5639 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
5640 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
5641 bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
5642
5643 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
5644 bnx2x_sfp_module_detection(phy, params);
5645 else
5646 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
5647 }
5648
5649 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
5650 rx_alarm_status);
5651 /* No need to check link status in case of
5652 module plugged in/out */
5653}
5654
5655static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
5656 struct link_params *params,
5657 struct link_vars *vars)
5658
5659{
5660 struct bnx2x *bp = params->bp;
5661 u8 link_up = 0;
5662 u16 link_status = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005663 u16 rx_alarm_status, lasi_ctrl, val1;
5664
5665 /* If PHY is not initialized, do not check link status */
5666 bnx2x_cl45_read(bp, phy,
5667 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
5668 &lasi_ctrl);
5669 if (!lasi_ctrl)
5670 return 0;
5671
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005672 /* Check the LASI */
5673 bnx2x_cl45_read(bp, phy,
5674 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM,
5675 &rx_alarm_status);
5676 vars->line_speed = 0;
5677 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
5678
5679 bnx2x_cl45_read(bp, phy,
5680 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
5681
5682 DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
5683
5684 /* Clear MSG-OUT */
5685 bnx2x_cl45_read(bp, phy,
5686 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
5687
5688 /**
5689 * If a module is present and there is need to check
5690 * for over current
5691 */
5692 if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
5693 /* Check over-current using 8727 GPIO0 input*/
5694 bnx2x_cl45_read(bp, phy,
5695 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
5696 &val1);
5697
5698 if ((val1 & (1<<8)) == 0) {
5699 DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
5700 " on port %d\n", params->port);
5701 netdev_err(bp->dev, "Error: Power fault on Port %d has"
5702 " been detected and the power to "
5703 "that SFP+ module has been removed"
5704 " to prevent failure of the card."
5705 " Please remove the SFP+ module and"
5706 " restart the system to clear this"
5707 " error.\n",
5708 params->port);
5709
5710 /*
5711 * Disable all RX_ALARMs except for
5712 * mod_abs
5713 */
5714 bnx2x_cl45_write(bp, phy,
5715 MDIO_PMA_DEVAD,
5716 MDIO_PMA_REG_RX_ALARM_CTRL, (1<<5));
5717
5718 bnx2x_cl45_read(bp, phy,
5719 MDIO_PMA_DEVAD,
5720 MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
5721 /* Wait for module_absent_event */
5722 val1 |= (1<<8);
5723 bnx2x_cl45_write(bp, phy,
5724 MDIO_PMA_DEVAD,
5725 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
5726 /* Clear RX alarm */
5727 bnx2x_cl45_read(bp, phy,
5728 MDIO_PMA_DEVAD,
5729 MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
5730 return 0;
5731 }
5732 } /* Over current check */
5733
5734 /* When module absent bit is set, check module */
5735 if (rx_alarm_status & (1<<5)) {
5736 bnx2x_8727_handle_mod_abs(phy, params);
5737 /* Enable all mod_abs and link detection bits */
5738 bnx2x_cl45_write(bp, phy,
5739 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
5740 ((1<<5) | (1<<2)));
5741 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005742 DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
5743 bnx2x_8727_specific_func(phy, params, ENABLE_TX);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005744 /* If transmitter is disabled, ignore false link up indication */
5745 bnx2x_cl45_read(bp, phy,
5746 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
5747 if (val1 & (1<<15)) {
5748 DP(NETIF_MSG_LINK, "Tx is disabled\n");
5749 return 0;
5750 }
5751
5752 bnx2x_cl45_read(bp, phy,
5753 MDIO_PMA_DEVAD,
5754 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
5755
5756 /* Bits 0..2 --> speed detected,
5757 bits 13..15--> link is down */
5758 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
5759 link_up = 1;
5760 vars->line_speed = SPEED_10000;
5761 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
5762 link_up = 1;
5763 vars->line_speed = SPEED_1000;
5764 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
5765 params->port);
5766 } else {
5767 link_up = 0;
5768 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
5769 params->port);
5770 }
Yaniv Rosner791f18c2011-01-18 04:33:42 +00005771 if (link_up) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005772 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosner791f18c2011-01-18 04:33:42 +00005773 vars->duplex = DUPLEX_FULL;
5774 DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
5775 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005776
5777 if ((DUAL_MEDIA(params)) &&
5778 (phy->req_line_speed == SPEED_1000)) {
5779 bnx2x_cl45_read(bp, phy,
5780 MDIO_PMA_DEVAD,
5781 MDIO_PMA_REG_8727_PCS_GP, &val1);
5782 /**
5783 * In case of dual-media board and 1G, power up the XAUI side,
5784 * otherwise power it down. For 10G it is done automatically
5785 */
5786 if (link_up)
5787 val1 &= ~(3<<10);
5788 else
5789 val1 |= (3<<10);
5790 bnx2x_cl45_write(bp, phy,
5791 MDIO_PMA_DEVAD,
5792 MDIO_PMA_REG_8727_PCS_GP, val1);
5793 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005794 return link_up;
5795}
5796
5797static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
5798 struct link_params *params)
5799{
5800 struct bnx2x *bp = params->bp;
5801 /* Disable Transmitter */
5802 bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005803 /* Clear LASI */
5804 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0);
5805
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005806}
5807
5808/******************************************************************/
5809/* BCM8481/BCM84823/BCM84833 PHY SECTION */
5810/******************************************************************/
5811static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
5812 struct link_params *params)
5813{
5814 u16 val, fw_ver1, fw_ver2, cnt;
5815 struct bnx2x *bp = params->bp;
5816
5817 /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
5818 /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
5819 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
5820 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
5821 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
5822 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
5823 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
5824
5825 for (cnt = 0; cnt < 100; cnt++) {
5826 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
5827 if (val & 1)
5828 break;
5829 udelay(5);
5830 }
5831 if (cnt == 100) {
5832 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
5833 bnx2x_save_spirom_version(bp, params->port, 0,
5834 phy->ver_addr);
5835 return;
5836 }
5837
5838
5839 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
5840 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
5841 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
5842 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
5843 for (cnt = 0; cnt < 100; cnt++) {
5844 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
5845 if (val & 1)
5846 break;
5847 udelay(5);
5848 }
5849 if (cnt == 100) {
5850 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
5851 bnx2x_save_spirom_version(bp, params->port, 0,
5852 phy->ver_addr);
5853 return;
5854 }
5855
5856 /* lower 16 bits of the register SPI_FW_STATUS */
5857 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
5858 /* upper 16 bits of register SPI_FW_STATUS */
5859 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
5860
5861 bnx2x_save_spirom_version(bp, params->port, (fw_ver2<<16) | fw_ver1,
5862 phy->ver_addr);
5863}
5864
5865static void bnx2x_848xx_set_led(struct bnx2x *bp,
5866 struct bnx2x_phy *phy)
5867{
5868 u16 val;
5869
5870 /* PHYC_CTL_LED_CTL */
5871 bnx2x_cl45_read(bp, phy,
5872 MDIO_PMA_DEVAD,
5873 MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
5874 val &= 0xFE00;
5875 val |= 0x0092;
5876
5877 bnx2x_cl45_write(bp, phy,
5878 MDIO_PMA_DEVAD,
5879 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
5880
5881 bnx2x_cl45_write(bp, phy,
5882 MDIO_PMA_DEVAD,
5883 MDIO_PMA_REG_8481_LED1_MASK,
5884 0x80);
5885
5886 bnx2x_cl45_write(bp, phy,
5887 MDIO_PMA_DEVAD,
5888 MDIO_PMA_REG_8481_LED2_MASK,
5889 0x18);
5890
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00005891 /* Select activity source by Tx and Rx, as suggested by PHY AE */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005892 bnx2x_cl45_write(bp, phy,
5893 MDIO_PMA_DEVAD,
5894 MDIO_PMA_REG_8481_LED3_MASK,
Yaniv Rosnerf25b3c82011-01-18 04:33:47 +00005895 0x0006);
5896
5897 /* Select the closest activity blink rate to that in 10/100/1000 */
5898 bnx2x_cl45_write(bp, phy,
5899 MDIO_PMA_DEVAD,
5900 MDIO_PMA_REG_8481_LED3_BLINK,
5901 0);
5902
5903 bnx2x_cl45_read(bp, phy,
5904 MDIO_PMA_DEVAD,
5905 MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
5906 val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
5907
5908 bnx2x_cl45_write(bp, phy,
5909 MDIO_PMA_DEVAD,
5910 MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005911
5912 /* 'Interrupt Mask' */
5913 bnx2x_cl45_write(bp, phy,
5914 MDIO_AN_DEVAD,
5915 0xFFFB, 0xFFFD);
5916}
5917
5918static u8 bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005919 struct link_params *params,
5920 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005921{
5922 struct bnx2x *bp = params->bp;
5923 u16 autoneg_val, an_1000_val, an_10_100_val;
Yaniv Rosner9bffeac2010-11-01 05:32:27 +00005924
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005925 bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
5926 1 << NIG_LATCH_BC_ENABLE_MI_INT);
5927
5928 bnx2x_cl45_write(bp, phy,
5929 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
5930
5931 bnx2x_848xx_set_led(bp, phy);
5932
5933 /* set 1000 speed advertisement */
5934 bnx2x_cl45_read(bp, phy,
5935 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
5936 &an_1000_val);
5937
5938 bnx2x_ext_phy_set_pause(params, phy, vars);
5939 bnx2x_cl45_read(bp, phy,
5940 MDIO_AN_DEVAD,
5941 MDIO_AN_REG_8481_LEGACY_AN_ADV,
5942 &an_10_100_val);
5943 bnx2x_cl45_read(bp, phy,
5944 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
5945 &autoneg_val);
5946 /* Disable forced speed */
5947 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
5948 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
5949
5950 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
5951 (phy->speed_cap_mask &
5952 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5953 (phy->req_line_speed == SPEED_1000)) {
5954 an_1000_val |= (1<<8);
5955 autoneg_val |= (1<<9 | 1<<12);
5956 if (phy->req_duplex == DUPLEX_FULL)
5957 an_1000_val |= (1<<9);
5958 DP(NETIF_MSG_LINK, "Advertising 1G\n");
5959 } else
5960 an_1000_val &= ~((1<<8) | (1<<9));
5961
5962 bnx2x_cl45_write(bp, phy,
5963 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
5964 an_1000_val);
5965
5966 /* set 10 speed advertisement */
5967 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
5968 (phy->speed_cap_mask &
5969 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
5970 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
5971 an_10_100_val |= (1<<7);
5972 /* Enable autoneg and restart autoneg for legacy speeds */
5973 autoneg_val |= (1<<9 | 1<<12);
5974
5975 if (phy->req_duplex == DUPLEX_FULL)
5976 an_10_100_val |= (1<<8);
5977 DP(NETIF_MSG_LINK, "Advertising 100M\n");
5978 }
5979 /* set 10 speed advertisement */
5980 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
5981 (phy->speed_cap_mask &
5982 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
5983 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
5984 an_10_100_val |= (1<<5);
5985 autoneg_val |= (1<<9 | 1<<12);
5986 if (phy->req_duplex == DUPLEX_FULL)
5987 an_10_100_val |= (1<<6);
5988 DP(NETIF_MSG_LINK, "Advertising 10M\n");
5989 }
5990
5991 /* Only 10/100 are allowed to work in FORCE mode */
5992 if (phy->req_line_speed == SPEED_100) {
5993 autoneg_val |= (1<<13);
5994 /* Enabled AUTO-MDIX when autoneg is disabled */
5995 bnx2x_cl45_write(bp, phy,
5996 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
5997 (1<<15 | 1<<9 | 7<<0));
5998 DP(NETIF_MSG_LINK, "Setting 100M force\n");
5999 }
6000 if (phy->req_line_speed == SPEED_10) {
6001 /* Enabled AUTO-MDIX when autoneg is disabled */
6002 bnx2x_cl45_write(bp, phy,
6003 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
6004 (1<<15 | 1<<9 | 7<<0));
6005 DP(NETIF_MSG_LINK, "Setting 10M force\n");
6006 }
6007
6008 bnx2x_cl45_write(bp, phy,
6009 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
6010 an_10_100_val);
6011
6012 if (phy->req_duplex == DUPLEX_FULL)
6013 autoneg_val |= (1<<8);
6014
6015 bnx2x_cl45_write(bp, phy,
6016 MDIO_AN_DEVAD,
6017 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
6018
6019 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
6020 (phy->speed_cap_mask &
6021 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
6022 (phy->req_line_speed == SPEED_10000)) {
6023 DP(NETIF_MSG_LINK, "Advertising 10G\n");
6024 /* Restart autoneg for 10G*/
6025
6026 bnx2x_cl45_write(bp, phy,
6027 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
6028 0x3200);
6029 } else if (phy->req_line_speed != SPEED_10 &&
6030 phy->req_line_speed != SPEED_100) {
6031 bnx2x_cl45_write(bp, phy,
6032 MDIO_AN_DEVAD,
6033 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
6034 1);
6035 }
6036 /* Save spirom version */
6037 bnx2x_save_848xx_spirom_version(phy, params);
6038
6039 return 0;
6040}
6041
6042static u8 bnx2x_8481_config_init(struct bnx2x_phy *phy,
6043 struct link_params *params,
6044 struct link_vars *vars)
6045{
6046 struct bnx2x *bp = params->bp;
6047 /* Restore normal power mode*/
6048 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006049 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006050
6051 /* HW reset */
6052 bnx2x_ext_phy_hw_reset(bp, params->port);
Yaniv Rosner9bffeac2010-11-01 05:32:27 +00006053 bnx2x_wait_reset_complete(bp, phy);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006054
6055 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
6056 return bnx2x_848xx_cmn_config_init(phy, params, vars);
6057}
6058
6059static u8 bnx2x_848x3_config_init(struct bnx2x_phy *phy,
6060 struct link_params *params,
6061 struct link_vars *vars)
6062{
6063 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00006064 u8 port, initialize = 1;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006065 u16 val;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006066 u16 temp;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006067 u32 actual_phy_selection;
6068 u8 rc = 0;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006069
6070 /* This is just for MDIO_CTL_REG_84823_MEDIA register. */
6071
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006072 msleep(1);
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00006073 if (CHIP_IS_E2(bp))
6074 port = BP_PATH(bp);
6075 else
6076 port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006077 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
6078 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006079 port);
Yaniv Rosner9bffeac2010-11-01 05:32:27 +00006080 bnx2x_wait_reset_complete(bp, phy);
6081 /* Wait for GPHY to come out of reset */
6082 msleep(50);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006083 /* BCM84823 requires that XGXS links up first @ 10G for normal
6084 behavior */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006085 temp = vars->line_speed;
6086 vars->line_speed = SPEED_10000;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006087 bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
6088 bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006089 vars->line_speed = temp;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006090
6091 /* Set dual-media configuration according to configuration */
6092
6093 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
6094 MDIO_CTL_REG_84823_MEDIA, &val);
6095 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
6096 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
6097 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
6098 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
6099 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
6100 val |= MDIO_CTL_REG_84823_CTRL_MAC_XFI |
6101 MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L;
6102
6103 actual_phy_selection = bnx2x_phy_selection(params);
6104
6105 switch (actual_phy_selection) {
6106 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6107 /* Do nothing. Essentialy this is like the priority copper */
6108 break;
6109 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
6110 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
6111 break;
6112 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
6113 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
6114 break;
6115 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
6116 /* Do nothing here. The first PHY won't be initialized at all */
6117 break;
6118 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
6119 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
6120 initialize = 0;
6121 break;
6122 }
6123 if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
6124 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
6125
6126 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
6127 MDIO_CTL_REG_84823_MEDIA, val);
6128 DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
6129 params->multi_phy_config, val);
6130
6131 if (initialize)
6132 rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
6133 else
6134 bnx2x_save_848xx_spirom_version(phy, params);
6135 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006136}
6137
6138static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006139 struct link_params *params,
6140 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006141{
6142 struct bnx2x *bp = params->bp;
6143 u16 val, val1, val2;
6144 u8 link_up = 0;
6145
6146 /* Check 10G-BaseT link status */
6147 /* Check PMD signal ok */
6148 bnx2x_cl45_read(bp, phy,
6149 MDIO_AN_DEVAD, 0xFFFA, &val1);
6150 bnx2x_cl45_read(bp, phy,
6151 MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
6152 &val2);
6153 DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
6154
6155 /* Check link 10G */
6156 if (val2 & (1<<11)) {
6157 vars->line_speed = SPEED_10000;
Yaniv Rosner791f18c2011-01-18 04:33:42 +00006158 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006159 link_up = 1;
6160 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
6161 } else { /* Check Legacy speed link */
6162 u16 legacy_status, legacy_speed;
6163
6164 /* Enable expansion register 0x42 (Operation mode status) */
6165 bnx2x_cl45_write(bp, phy,
6166 MDIO_AN_DEVAD,
6167 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
6168
6169 /* Get legacy speed operation status */
6170 bnx2x_cl45_read(bp, phy,
6171 MDIO_AN_DEVAD,
6172 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
6173 &legacy_status);
6174
6175 DP(NETIF_MSG_LINK, "Legacy speed status"
6176 " = 0x%x\n", legacy_status);
6177 link_up = ((legacy_status & (1<<11)) == (1<<11));
6178 if (link_up) {
6179 legacy_speed = (legacy_status & (3<<9));
6180 if (legacy_speed == (0<<9))
6181 vars->line_speed = SPEED_10;
6182 else if (legacy_speed == (1<<9))
6183 vars->line_speed = SPEED_100;
6184 else if (legacy_speed == (2<<9))
6185 vars->line_speed = SPEED_1000;
6186 else /* Should not happen */
6187 vars->line_speed = 0;
6188
6189 if (legacy_status & (1<<8))
6190 vars->duplex = DUPLEX_FULL;
6191 else
6192 vars->duplex = DUPLEX_HALF;
6193
6194 DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
6195 " is_duplex_full= %d\n", vars->line_speed,
6196 (vars->duplex == DUPLEX_FULL));
6197 /* Check legacy speed AN resolution */
6198 bnx2x_cl45_read(bp, phy,
6199 MDIO_AN_DEVAD,
6200 MDIO_AN_REG_8481_LEGACY_MII_STATUS,
6201 &val);
6202 if (val & (1<<5))
6203 vars->link_status |=
6204 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
6205 bnx2x_cl45_read(bp, phy,
6206 MDIO_AN_DEVAD,
6207 MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
6208 &val);
6209 if ((val & (1<<0)) == 0)
6210 vars->link_status |=
6211 LINK_STATUS_PARALLEL_DETECTION_USED;
6212 }
6213 }
6214 if (link_up) {
6215 DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
6216 vars->line_speed);
6217 bnx2x_ext_phy_resolve_fc(phy, params, vars);
6218 }
6219
6220 return link_up;
6221}
6222
6223static u8 bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
6224{
6225 u8 status = 0;
6226 u32 spirom_ver;
6227 spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
6228 status = bnx2x_format_ver(spirom_ver, str, len);
6229 return status;
6230}
6231
6232static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
6233 struct link_params *params)
6234{
6235 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006236 MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006237 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006238 MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006239}
6240
6241static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
6242 struct link_params *params)
6243{
6244 bnx2x_cl45_write(params->bp, phy,
6245 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
6246 bnx2x_cl45_write(params->bp, phy,
6247 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
6248}
6249
6250static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
6251 struct link_params *params)
6252{
6253 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00006254 u8 port;
6255 if (CHIP_IS_E2(bp))
6256 port = BP_PATH(bp);
6257 else
6258 port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006259 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006260 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6261 port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006262}
6263
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006264static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
6265 struct link_params *params, u8 mode)
6266{
6267 struct bnx2x *bp = params->bp;
6268 u16 val;
6269
6270 switch (mode) {
6271 case LED_MODE_OFF:
6272
6273 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", params->port);
6274
6275 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
6276 SHARED_HW_CFG_LED_EXTPHY1) {
6277
6278 /* Set LED masks */
6279 bnx2x_cl45_write(bp, phy,
6280 MDIO_PMA_DEVAD,
6281 MDIO_PMA_REG_8481_LED1_MASK,
6282 0x0);
6283
6284 bnx2x_cl45_write(bp, phy,
6285 MDIO_PMA_DEVAD,
6286 MDIO_PMA_REG_8481_LED2_MASK,
6287 0x0);
6288
6289 bnx2x_cl45_write(bp, phy,
6290 MDIO_PMA_DEVAD,
6291 MDIO_PMA_REG_8481_LED3_MASK,
6292 0x0);
6293
6294 bnx2x_cl45_write(bp, phy,
6295 MDIO_PMA_DEVAD,
6296 MDIO_PMA_REG_8481_LED5_MASK,
6297 0x0);
6298
6299 } else {
6300 bnx2x_cl45_write(bp, phy,
6301 MDIO_PMA_DEVAD,
6302 MDIO_PMA_REG_8481_LED1_MASK,
6303 0x0);
6304 }
6305 break;
6306 case LED_MODE_FRONT_PANEL_OFF:
6307
6308 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
6309 params->port);
6310
6311 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
6312 SHARED_HW_CFG_LED_EXTPHY1) {
6313
6314 /* Set LED masks */
6315 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006316 MDIO_PMA_DEVAD,
6317 MDIO_PMA_REG_8481_LED1_MASK,
6318 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006319
6320 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006321 MDIO_PMA_DEVAD,
6322 MDIO_PMA_REG_8481_LED2_MASK,
6323 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006324
6325 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006326 MDIO_PMA_DEVAD,
6327 MDIO_PMA_REG_8481_LED3_MASK,
6328 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006329
6330 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006331 MDIO_PMA_DEVAD,
6332 MDIO_PMA_REG_8481_LED5_MASK,
6333 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006334
6335 } else {
6336 bnx2x_cl45_write(bp, phy,
6337 MDIO_PMA_DEVAD,
6338 MDIO_PMA_REG_8481_LED1_MASK,
6339 0x0);
6340 }
6341 break;
6342 case LED_MODE_ON:
6343
6344 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", params->port);
6345
6346 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
6347 SHARED_HW_CFG_LED_EXTPHY1) {
6348 /* Set control reg */
6349 bnx2x_cl45_read(bp, phy,
6350 MDIO_PMA_DEVAD,
6351 MDIO_PMA_REG_8481_LINK_SIGNAL,
6352 &val);
6353 val &= 0x8000;
6354 val |= 0x2492;
6355
6356 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006357 MDIO_PMA_DEVAD,
6358 MDIO_PMA_REG_8481_LINK_SIGNAL,
6359 val);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006360
6361 /* Set LED masks */
6362 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006363 MDIO_PMA_DEVAD,
6364 MDIO_PMA_REG_8481_LED1_MASK,
6365 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006366
6367 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006368 MDIO_PMA_DEVAD,
6369 MDIO_PMA_REG_8481_LED2_MASK,
6370 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006371
6372 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006373 MDIO_PMA_DEVAD,
6374 MDIO_PMA_REG_8481_LED3_MASK,
6375 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006376
6377 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006378 MDIO_PMA_DEVAD,
6379 MDIO_PMA_REG_8481_LED5_MASK,
6380 0x0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006381 } else {
6382 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006383 MDIO_PMA_DEVAD,
6384 MDIO_PMA_REG_8481_LED1_MASK,
6385 0x20);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006386 }
6387 break;
6388
6389 case LED_MODE_OPER:
6390
6391 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", params->port);
6392
6393 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
6394 SHARED_HW_CFG_LED_EXTPHY1) {
6395
6396 /* Set control reg */
6397 bnx2x_cl45_read(bp, phy,
6398 MDIO_PMA_DEVAD,
6399 MDIO_PMA_REG_8481_LINK_SIGNAL,
6400 &val);
6401
6402 if (!((val &
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006403 MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
6404 >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006405 DP(NETIF_MSG_LINK, "Seting LINK_SIGNAL\n");
6406 bnx2x_cl45_write(bp, phy,
6407 MDIO_PMA_DEVAD,
6408 MDIO_PMA_REG_8481_LINK_SIGNAL,
6409 0xa492);
6410 }
6411
6412 /* Set LED masks */
6413 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006414 MDIO_PMA_DEVAD,
6415 MDIO_PMA_REG_8481_LED1_MASK,
6416 0x10);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006417
6418 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006419 MDIO_PMA_DEVAD,
6420 MDIO_PMA_REG_8481_LED2_MASK,
6421 0x80);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006422
6423 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006424 MDIO_PMA_DEVAD,
6425 MDIO_PMA_REG_8481_LED3_MASK,
6426 0x98);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006427
6428 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006429 MDIO_PMA_DEVAD,
6430 MDIO_PMA_REG_8481_LED5_MASK,
6431 0x40);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006432
6433 } else {
6434 bnx2x_cl45_write(bp, phy,
6435 MDIO_PMA_DEVAD,
6436 MDIO_PMA_REG_8481_LED1_MASK,
6437 0x80);
Yaniv Rosner53eda062011-01-30 04:14:55 +00006438
6439 /* Tell LED3 to blink on source */
6440 bnx2x_cl45_read(bp, phy,
6441 MDIO_PMA_DEVAD,
6442 MDIO_PMA_REG_8481_LINK_SIGNAL,
6443 &val);
6444 val &= ~(7<<6);
6445 val |= (1<<6); /* A83B[8:6]= 1 */
6446 bnx2x_cl45_write(bp, phy,
6447 MDIO_PMA_DEVAD,
6448 MDIO_PMA_REG_8481_LINK_SIGNAL,
6449 val);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006450 }
6451 break;
6452 }
6453}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006454/******************************************************************/
6455/* SFX7101 PHY SECTION */
6456/******************************************************************/
6457static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
6458 struct link_params *params)
6459{
6460 struct bnx2x *bp = params->bp;
6461 /* SFX7101_XGXS_TEST1 */
6462 bnx2x_cl45_write(bp, phy,
6463 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
6464}
6465
6466static u8 bnx2x_7101_config_init(struct bnx2x_phy *phy,
6467 struct link_params *params,
6468 struct link_vars *vars)
6469{
6470 u16 fw_ver1, fw_ver2, val;
6471 struct bnx2x *bp = params->bp;
6472 DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
6473
6474 /* Restore normal power mode*/
6475 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006476 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006477 /* HW reset */
6478 bnx2x_ext_phy_hw_reset(bp, params->port);
6479 bnx2x_wait_reset_complete(bp, phy);
6480
6481 bnx2x_cl45_write(bp, phy,
6482 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x1);
6483 DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
6484 bnx2x_cl45_write(bp, phy,
6485 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
6486
6487 bnx2x_ext_phy_set_pause(params, phy, vars);
6488 /* Restart autoneg */
6489 bnx2x_cl45_read(bp, phy,
6490 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
6491 val |= 0x200;
6492 bnx2x_cl45_write(bp, phy,
6493 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
6494
6495 /* Save spirom version */
6496 bnx2x_cl45_read(bp, phy,
6497 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
6498
6499 bnx2x_cl45_read(bp, phy,
6500 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
6501 bnx2x_save_spirom_version(bp, params->port,
6502 (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
6503 return 0;
6504}
6505
6506static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
6507 struct link_params *params,
6508 struct link_vars *vars)
6509{
6510 struct bnx2x *bp = params->bp;
6511 u8 link_up;
6512 u16 val1, val2;
6513 bnx2x_cl45_read(bp, phy,
6514 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
6515 bnx2x_cl45_read(bp, phy,
6516 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
6517 DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
6518 val2, val1);
6519 bnx2x_cl45_read(bp, phy,
6520 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
6521 bnx2x_cl45_read(bp, phy,
6522 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
6523 DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
6524 val2, val1);
6525 link_up = ((val1 & 4) == 4);
6526 /* if link is up
6527 * print the AN outcome of the SFX7101 PHY
6528 */
6529 if (link_up) {
6530 bnx2x_cl45_read(bp, phy,
6531 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
6532 &val2);
6533 vars->line_speed = SPEED_10000;
Yaniv Rosner791f18c2011-01-18 04:33:42 +00006534 vars->duplex = DUPLEX_FULL;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006535 DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
6536 val2, (val2 & (1<<14)));
6537 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
6538 bnx2x_ext_phy_resolve_fc(phy, params, vars);
6539 }
6540 return link_up;
6541}
6542
6543
6544static u8 bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
6545{
6546 if (*len < 5)
6547 return -EINVAL;
6548 str[0] = (spirom_ver & 0xFF);
6549 str[1] = (spirom_ver & 0xFF00) >> 8;
6550 str[2] = (spirom_ver & 0xFF0000) >> 16;
6551 str[3] = (spirom_ver & 0xFF000000) >> 24;
6552 str[4] = '\0';
6553 *len -= 5;
6554 return 0;
6555}
6556
6557void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
6558{
6559 u16 val, cnt;
6560
6561 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006562 MDIO_PMA_DEVAD,
6563 MDIO_PMA_REG_7101_RESET, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006564
6565 for (cnt = 0; cnt < 10; cnt++) {
6566 msleep(50);
6567 /* Writes a self-clearing reset */
6568 bnx2x_cl45_write(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006569 MDIO_PMA_DEVAD,
6570 MDIO_PMA_REG_7101_RESET,
6571 (val | (1<<15)));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006572 /* Wait for clear */
6573 bnx2x_cl45_read(bp, phy,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006574 MDIO_PMA_DEVAD,
6575 MDIO_PMA_REG_7101_RESET, &val);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006576
6577 if ((val & (1<<15)) == 0)
6578 break;
6579 }
6580}
6581
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006582static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
6583 struct link_params *params) {
6584 /* Low power mode is controlled by GPIO 2 */
6585 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006586 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006587 /* The PHY reset is controlled by GPIO 1 */
6588 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006589 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006590}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006591
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006592static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
6593 struct link_params *params, u8 mode)
6594{
6595 u16 val = 0;
6596 struct bnx2x *bp = params->bp;
6597 switch (mode) {
6598 case LED_MODE_FRONT_PANEL_OFF:
6599 case LED_MODE_OFF:
6600 val = 2;
6601 break;
6602 case LED_MODE_ON:
6603 val = 1;
6604 break;
6605 case LED_MODE_OPER:
6606 val = 0;
6607 break;
6608 }
6609 bnx2x_cl45_write(bp, phy,
6610 MDIO_PMA_DEVAD,
6611 MDIO_PMA_REG_7107_LINK_LED_CNTL,
6612 val);
6613}
6614
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006615/******************************************************************/
6616/* STATIC PHY DECLARATION */
6617/******************************************************************/
6618
6619static struct bnx2x_phy phy_null = {
6620 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
6621 .addr = 0,
6622 .flags = FLAGS_INIT_XGXS_FIRST,
6623 .def_md_devad = 0,
6624 .reserved = 0,
6625 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6626 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6627 .mdio_ctrl = 0,
6628 .supported = 0,
6629 .media_type = ETH_PHY_NOT_PRESENT,
6630 .ver_addr = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006631 .req_flow_ctrl = 0,
6632 .req_line_speed = 0,
6633 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006634 .req_duplex = 0,
6635 .rsrv = 0,
6636 .config_init = (config_init_t)NULL,
6637 .read_status = (read_status_t)NULL,
6638 .link_reset = (link_reset_t)NULL,
6639 .config_loopback = (config_loopback_t)NULL,
6640 .format_fw_ver = (format_fw_ver_t)NULL,
6641 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006642 .set_link_led = (set_link_led_t)NULL,
6643 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006644};
6645
6646static struct bnx2x_phy phy_serdes = {
6647 .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
6648 .addr = 0xff,
6649 .flags = 0,
6650 .def_md_devad = 0,
6651 .reserved = 0,
6652 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6653 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6654 .mdio_ctrl = 0,
6655 .supported = (SUPPORTED_10baseT_Half |
6656 SUPPORTED_10baseT_Full |
6657 SUPPORTED_100baseT_Half |
6658 SUPPORTED_100baseT_Full |
6659 SUPPORTED_1000baseT_Full |
6660 SUPPORTED_2500baseX_Full |
6661 SUPPORTED_TP |
6662 SUPPORTED_Autoneg |
6663 SUPPORTED_Pause |
6664 SUPPORTED_Asym_Pause),
6665 .media_type = ETH_PHY_UNSPECIFIED,
6666 .ver_addr = 0,
6667 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006668 .req_line_speed = 0,
6669 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006670 .req_duplex = 0,
6671 .rsrv = 0,
6672 .config_init = (config_init_t)bnx2x_init_serdes,
6673 .read_status = (read_status_t)bnx2x_link_settings_status,
6674 .link_reset = (link_reset_t)bnx2x_int_link_reset,
6675 .config_loopback = (config_loopback_t)NULL,
6676 .format_fw_ver = (format_fw_ver_t)NULL,
6677 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006678 .set_link_led = (set_link_led_t)NULL,
6679 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006680};
6681
6682static struct bnx2x_phy phy_xgxs = {
6683 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
6684 .addr = 0xff,
6685 .flags = 0,
6686 .def_md_devad = 0,
6687 .reserved = 0,
6688 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6689 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6690 .mdio_ctrl = 0,
6691 .supported = (SUPPORTED_10baseT_Half |
6692 SUPPORTED_10baseT_Full |
6693 SUPPORTED_100baseT_Half |
6694 SUPPORTED_100baseT_Full |
6695 SUPPORTED_1000baseT_Full |
6696 SUPPORTED_2500baseX_Full |
6697 SUPPORTED_10000baseT_Full |
6698 SUPPORTED_FIBRE |
6699 SUPPORTED_Autoneg |
6700 SUPPORTED_Pause |
6701 SUPPORTED_Asym_Pause),
6702 .media_type = ETH_PHY_UNSPECIFIED,
6703 .ver_addr = 0,
6704 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006705 .req_line_speed = 0,
6706 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006707 .req_duplex = 0,
6708 .rsrv = 0,
6709 .config_init = (config_init_t)bnx2x_init_xgxs,
6710 .read_status = (read_status_t)bnx2x_link_settings_status,
6711 .link_reset = (link_reset_t)bnx2x_int_link_reset,
6712 .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
6713 .format_fw_ver = (format_fw_ver_t)NULL,
6714 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006715 .set_link_led = (set_link_led_t)NULL,
6716 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006717};
6718
6719static struct bnx2x_phy phy_7101 = {
6720 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6721 .addr = 0xff,
6722 .flags = FLAGS_FAN_FAILURE_DET_REQ,
6723 .def_md_devad = 0,
6724 .reserved = 0,
6725 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6726 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6727 .mdio_ctrl = 0,
6728 .supported = (SUPPORTED_10000baseT_Full |
6729 SUPPORTED_TP |
6730 SUPPORTED_Autoneg |
6731 SUPPORTED_Pause |
6732 SUPPORTED_Asym_Pause),
6733 .media_type = ETH_PHY_BASE_T,
6734 .ver_addr = 0,
6735 .req_flow_ctrl = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006736 .req_line_speed = 0,
6737 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006738 .req_duplex = 0,
6739 .rsrv = 0,
6740 .config_init = (config_init_t)bnx2x_7101_config_init,
6741 .read_status = (read_status_t)bnx2x_7101_read_status,
6742 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
6743 .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
6744 .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
6745 .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006746 .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006747 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006748};
6749static struct bnx2x_phy phy_8073 = {
6750 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
6751 .addr = 0xff,
6752 .flags = FLAGS_HW_LOCK_REQUIRED,
6753 .def_md_devad = 0,
6754 .reserved = 0,
6755 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6756 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6757 .mdio_ctrl = 0,
6758 .supported = (SUPPORTED_10000baseT_Full |
6759 SUPPORTED_2500baseX_Full |
6760 SUPPORTED_1000baseT_Full |
6761 SUPPORTED_FIBRE |
6762 SUPPORTED_Autoneg |
6763 SUPPORTED_Pause |
6764 SUPPORTED_Asym_Pause),
6765 .media_type = ETH_PHY_UNSPECIFIED,
6766 .ver_addr = 0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006767 .req_flow_ctrl = 0,
6768 .req_line_speed = 0,
6769 .speed_cap_mask = 0,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006770 .req_duplex = 0,
6771 .rsrv = 0,
Yaniv Rosner62b29a52010-09-07 11:40:58 +00006772 .config_init = (config_init_t)bnx2x_8073_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006773 .read_status = (read_status_t)bnx2x_8073_read_status,
6774 .link_reset = (link_reset_t)bnx2x_8073_link_reset,
6775 .config_loopback = (config_loopback_t)NULL,
6776 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
6777 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006778 .set_link_led = (set_link_led_t)NULL,
6779 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006780};
6781static struct bnx2x_phy phy_8705 = {
6782 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
6783 .addr = 0xff,
6784 .flags = FLAGS_INIT_XGXS_FIRST,
6785 .def_md_devad = 0,
6786 .reserved = 0,
6787 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6788 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6789 .mdio_ctrl = 0,
6790 .supported = (SUPPORTED_10000baseT_Full |
6791 SUPPORTED_FIBRE |
6792 SUPPORTED_Pause |
6793 SUPPORTED_Asym_Pause),
6794 .media_type = ETH_PHY_XFP_FIBER,
6795 .ver_addr = 0,
6796 .req_flow_ctrl = 0,
6797 .req_line_speed = 0,
6798 .speed_cap_mask = 0,
6799 .req_duplex = 0,
6800 .rsrv = 0,
6801 .config_init = (config_init_t)bnx2x_8705_config_init,
6802 .read_status = (read_status_t)bnx2x_8705_read_status,
6803 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
6804 .config_loopback = (config_loopback_t)NULL,
6805 .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
6806 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006807 .set_link_led = (set_link_led_t)NULL,
6808 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006809};
6810static struct bnx2x_phy phy_8706 = {
6811 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
6812 .addr = 0xff,
6813 .flags = FLAGS_INIT_XGXS_FIRST,
6814 .def_md_devad = 0,
6815 .reserved = 0,
6816 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6817 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6818 .mdio_ctrl = 0,
6819 .supported = (SUPPORTED_10000baseT_Full |
6820 SUPPORTED_1000baseT_Full |
6821 SUPPORTED_FIBRE |
6822 SUPPORTED_Pause |
6823 SUPPORTED_Asym_Pause),
6824 .media_type = ETH_PHY_SFP_FIBER,
6825 .ver_addr = 0,
6826 .req_flow_ctrl = 0,
6827 .req_line_speed = 0,
6828 .speed_cap_mask = 0,
6829 .req_duplex = 0,
6830 .rsrv = 0,
6831 .config_init = (config_init_t)bnx2x_8706_config_init,
6832 .read_status = (read_status_t)bnx2x_8706_read_status,
6833 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
6834 .config_loopback = (config_loopback_t)NULL,
6835 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
6836 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006837 .set_link_led = (set_link_led_t)NULL,
6838 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006839};
6840
6841static struct bnx2x_phy phy_8726 = {
6842 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
6843 .addr = 0xff,
6844 .flags = (FLAGS_HW_LOCK_REQUIRED |
6845 FLAGS_INIT_XGXS_FIRST),
6846 .def_md_devad = 0,
6847 .reserved = 0,
6848 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6849 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6850 .mdio_ctrl = 0,
6851 .supported = (SUPPORTED_10000baseT_Full |
6852 SUPPORTED_1000baseT_Full |
6853 SUPPORTED_Autoneg |
6854 SUPPORTED_FIBRE |
6855 SUPPORTED_Pause |
6856 SUPPORTED_Asym_Pause),
6857 .media_type = ETH_PHY_SFP_FIBER,
6858 .ver_addr = 0,
6859 .req_flow_ctrl = 0,
6860 .req_line_speed = 0,
6861 .speed_cap_mask = 0,
6862 .req_duplex = 0,
6863 .rsrv = 0,
6864 .config_init = (config_init_t)bnx2x_8726_config_init,
6865 .read_status = (read_status_t)bnx2x_8726_read_status,
6866 .link_reset = (link_reset_t)bnx2x_8726_link_reset,
6867 .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
6868 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
6869 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006870 .set_link_led = (set_link_led_t)NULL,
6871 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006872};
6873
6874static struct bnx2x_phy phy_8727 = {
6875 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
6876 .addr = 0xff,
6877 .flags = FLAGS_FAN_FAILURE_DET_REQ,
6878 .def_md_devad = 0,
6879 .reserved = 0,
6880 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6881 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6882 .mdio_ctrl = 0,
6883 .supported = (SUPPORTED_10000baseT_Full |
6884 SUPPORTED_1000baseT_Full |
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006885 SUPPORTED_FIBRE |
6886 SUPPORTED_Pause |
6887 SUPPORTED_Asym_Pause),
6888 .media_type = ETH_PHY_SFP_FIBER,
6889 .ver_addr = 0,
6890 .req_flow_ctrl = 0,
6891 .req_line_speed = 0,
6892 .speed_cap_mask = 0,
6893 .req_duplex = 0,
6894 .rsrv = 0,
6895 .config_init = (config_init_t)bnx2x_8727_config_init,
6896 .read_status = (read_status_t)bnx2x_8727_read_status,
6897 .link_reset = (link_reset_t)bnx2x_8727_link_reset,
6898 .config_loopback = (config_loopback_t)NULL,
6899 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
6900 .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006901 .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006902 .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006903};
6904static struct bnx2x_phy phy_8481 = {
6905 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
6906 .addr = 0xff,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006907 .flags = FLAGS_FAN_FAILURE_DET_REQ |
6908 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006909 .def_md_devad = 0,
6910 .reserved = 0,
6911 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6912 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6913 .mdio_ctrl = 0,
6914 .supported = (SUPPORTED_10baseT_Half |
6915 SUPPORTED_10baseT_Full |
6916 SUPPORTED_100baseT_Half |
6917 SUPPORTED_100baseT_Full |
6918 SUPPORTED_1000baseT_Full |
6919 SUPPORTED_10000baseT_Full |
6920 SUPPORTED_TP |
6921 SUPPORTED_Autoneg |
6922 SUPPORTED_Pause |
6923 SUPPORTED_Asym_Pause),
6924 .media_type = ETH_PHY_BASE_T,
6925 .ver_addr = 0,
6926 .req_flow_ctrl = 0,
6927 .req_line_speed = 0,
6928 .speed_cap_mask = 0,
6929 .req_duplex = 0,
6930 .rsrv = 0,
6931 .config_init = (config_init_t)bnx2x_8481_config_init,
6932 .read_status = (read_status_t)bnx2x_848xx_read_status,
6933 .link_reset = (link_reset_t)bnx2x_8481_link_reset,
6934 .config_loopback = (config_loopback_t)NULL,
6935 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
6936 .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006937 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006938 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006939};
6940
6941static struct bnx2x_phy phy_84823 = {
6942 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
6943 .addr = 0xff,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006944 .flags = FLAGS_FAN_FAILURE_DET_REQ |
6945 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006946 .def_md_devad = 0,
6947 .reserved = 0,
6948 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6949 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6950 .mdio_ctrl = 0,
6951 .supported = (SUPPORTED_10baseT_Half |
6952 SUPPORTED_10baseT_Full |
6953 SUPPORTED_100baseT_Half |
6954 SUPPORTED_100baseT_Full |
6955 SUPPORTED_1000baseT_Full |
6956 SUPPORTED_10000baseT_Full |
6957 SUPPORTED_TP |
6958 SUPPORTED_Autoneg |
6959 SUPPORTED_Pause |
6960 SUPPORTED_Asym_Pause),
6961 .media_type = ETH_PHY_BASE_T,
6962 .ver_addr = 0,
6963 .req_flow_ctrl = 0,
6964 .req_line_speed = 0,
6965 .speed_cap_mask = 0,
6966 .req_duplex = 0,
6967 .rsrv = 0,
6968 .config_init = (config_init_t)bnx2x_848x3_config_init,
6969 .read_status = (read_status_t)bnx2x_848xx_read_status,
6970 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
6971 .config_loopback = (config_loopback_t)NULL,
6972 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
6973 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006974 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006975 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006976};
6977
6978/*****************************************************************/
6979/* */
6980/* Populate the phy according. Main function: bnx2x_populate_phy */
6981/* */
6982/*****************************************************************/
6983
6984static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
6985 struct bnx2x_phy *phy, u8 port,
6986 u8 phy_index)
6987{
6988 /* Get the 4 lanes xgxs config rx and tx */
6989 u32 rx = 0, tx = 0, i;
6990 for (i = 0; i < 2; i++) {
6991 /**
6992 * INT_PHY and EXT_PHY1 share the same value location in the
6993 * shmem. When num_phys is greater than 1, than this value
6994 * applies only to EXT_PHY1
6995 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006996 if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
6997 rx = REG_RD(bp, shmem_base +
6998 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00006999 dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007000
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007001 tx = REG_RD(bp, shmem_base +
7002 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007003 dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007004 } else {
7005 rx = REG_RD(bp, shmem_base +
7006 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007007 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007008
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007009 tx = REG_RD(bp, shmem_base +
7010 offsetof(struct shmem_region,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007011 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007012 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007013
7014 phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
7015 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
7016
7017 phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
7018 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
7019 }
7020}
7021
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007022static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
7023 u8 phy_index, u8 port)
7024{
7025 u32 ext_phy_config = 0;
7026 switch (phy_index) {
7027 case EXT_PHY1:
7028 ext_phy_config = REG_RD(bp, shmem_base +
7029 offsetof(struct shmem_region,
7030 dev_info.port_hw_config[port].external_phy_config));
7031 break;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007032 case EXT_PHY2:
7033 ext_phy_config = REG_RD(bp, shmem_base +
7034 offsetof(struct shmem_region,
7035 dev_info.port_hw_config[port].external_phy_config2));
7036 break;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007037 default:
7038 DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
7039 return -EINVAL;
7040 }
7041
7042 return ext_phy_config;
7043}
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007044static u8 bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
7045 struct bnx2x_phy *phy)
7046{
7047 u32 phy_addr;
7048 u32 chip_id;
7049 u32 switch_cfg = (REG_RD(bp, shmem_base +
7050 offsetof(struct shmem_region,
7051 dev_info.port_feature_config[port].link_config)) &
7052 PORT_FEATURE_CONNECTED_SWITCH_MASK);
7053 chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
7054 switch (switch_cfg) {
7055 case SWITCH_CFG_1G:
7056 phy_addr = REG_RD(bp,
7057 NIG_REG_SERDES0_CTRL_PHY_ADDR +
7058 port * 0x10);
7059 *phy = phy_serdes;
7060 break;
7061 case SWITCH_CFG_10G:
7062 phy_addr = REG_RD(bp,
7063 NIG_REG_XGXS0_CTRL_PHY_ADDR +
7064 port * 0x18);
7065 *phy = phy_xgxs;
7066 break;
7067 default:
7068 DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
7069 return -EINVAL;
7070 }
7071 phy->addr = (u8)phy_addr;
7072 phy->mdio_ctrl = bnx2x_get_emac_base(bp,
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007073 SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007074 port);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007075 if (CHIP_IS_E2(bp))
7076 phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
7077 else
7078 phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007079
7080 DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
7081 port, phy->addr, phy->mdio_ctrl);
7082
7083 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
7084 return 0;
7085}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007086
7087static u8 bnx2x_populate_ext_phy(struct bnx2x *bp,
7088 u8 phy_index,
7089 u32 shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007090 u32 shmem2_base,
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007091 u8 port,
7092 struct bnx2x_phy *phy)
7093{
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007094 u32 ext_phy_config, phy_type, config2;
7095 u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007096 ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
7097 phy_index, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007098 phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
7099 /* Select the phy type */
7100 switch (phy_type) {
7101 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007102 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007103 *phy = phy_8073;
7104 break;
7105 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7106 *phy = phy_8705;
7107 break;
7108 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7109 *phy = phy_8706;
7110 break;
7111 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007112 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007113 *phy = phy_8726;
7114 break;
7115 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
7116 /* BCM8727_NOC => BCM8727 no over current */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007117 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007118 *phy = phy_8727;
7119 phy->flags |= FLAGS_NOC;
7120 break;
7121 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007122 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007123 *phy = phy_8727;
7124 break;
7125 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
7126 *phy = phy_8481;
7127 break;
7128 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
7129 *phy = phy_84823;
7130 break;
7131 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7132 *phy = phy_7101;
7133 break;
7134 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7135 *phy = phy_null;
7136 return -EINVAL;
7137 default:
7138 *phy = phy_null;
7139 return 0;
7140 }
7141
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007142 phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007143 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00007144
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007145 /**
7146 * The shmem address of the phy version is located on different
7147 * structures. In case this structure is too old, do not set
7148 * the address
7149 */
7150 config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
7151 dev_info.shared_hw_config.config2));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007152 if (phy_index == EXT_PHY1) {
7153 phy->ver_addr = shmem_base + offsetof(struct shmem_region,
7154 port_mb[port].ext_phy_fw_version);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007155
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007156 /* Check specific mdc mdio settings */
7157 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
7158 mdc_mdio_access = config2 &
7159 SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007160 } else {
7161 u32 size = REG_RD(bp, shmem2_base);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007162
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007163 if (size >
7164 offsetof(struct shmem2_region, ext_phy_fw_version2)) {
7165 phy->ver_addr = shmem2_base +
7166 offsetof(struct shmem2_region,
7167 ext_phy_fw_version2[port]);
7168 }
7169 /* Check specific mdc mdio settings */
7170 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
7171 mdc_mdio_access = (config2 &
7172 SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
7173 (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
7174 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
7175 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00007176 phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
7177
7178 /**
7179 * In case mdc/mdio_access of the external phy is different than the
7180 * mdc/mdio access of the XGXS, a HW lock must be taken in each access
7181 * to prevent one port interfere with another port's CL45 operations.
7182 */
7183 if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
7184 phy->flags |= FLAGS_HW_LOCK_REQUIRED;
7185 DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
7186 phy_type, port, phy_index);
7187 DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
7188 phy->addr, phy->mdio_ctrl);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007189 return 0;
7190}
7191
7192static u8 bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007193 u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007194{
7195 u8 status = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007196 phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
7197 if (phy_index == INT_PHY)
7198 return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007199 status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007200 port, phy);
7201 return status;
7202}
7203
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007204static void bnx2x_phy_def_cfg(struct link_params *params,
7205 struct bnx2x_phy *phy,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007206 u8 phy_index)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007207{
7208 struct bnx2x *bp = params->bp;
7209 u32 link_config;
7210 /* Populate the default phy configuration for MF mode */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007211 if (phy_index == EXT_PHY2) {
7212 link_config = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007213 offsetof(struct shmem_region, dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007214 port_feature_config[params->port].link_config2));
7215 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007216 offsetof(struct shmem_region,
7217 dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007218 port_hw_config[params->port].speed_capability_mask2));
7219 } else {
7220 link_config = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007221 offsetof(struct shmem_region, dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007222 port_feature_config[params->port].link_config));
7223 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007224 offsetof(struct shmem_region,
7225 dev_info.
7226 port_hw_config[params->port].speed_capability_mask));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007227 }
7228 DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
7229 " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007230
7231 phy->req_duplex = DUPLEX_FULL;
7232 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
7233 case PORT_FEATURE_LINK_SPEED_10M_HALF:
7234 phy->req_duplex = DUPLEX_HALF;
7235 case PORT_FEATURE_LINK_SPEED_10M_FULL:
7236 phy->req_line_speed = SPEED_10;
7237 break;
7238 case PORT_FEATURE_LINK_SPEED_100M_HALF:
7239 phy->req_duplex = DUPLEX_HALF;
7240 case PORT_FEATURE_LINK_SPEED_100M_FULL:
7241 phy->req_line_speed = SPEED_100;
7242 break;
7243 case PORT_FEATURE_LINK_SPEED_1G:
7244 phy->req_line_speed = SPEED_1000;
7245 break;
7246 case PORT_FEATURE_LINK_SPEED_2_5G:
7247 phy->req_line_speed = SPEED_2500;
7248 break;
7249 case PORT_FEATURE_LINK_SPEED_10G_CX4:
7250 phy->req_line_speed = SPEED_10000;
7251 break;
7252 default:
7253 phy->req_line_speed = SPEED_AUTO_NEG;
7254 break;
7255 }
7256
7257 switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
7258 case PORT_FEATURE_FLOW_CONTROL_AUTO:
7259 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
7260 break;
7261 case PORT_FEATURE_FLOW_CONTROL_TX:
7262 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
7263 break;
7264 case PORT_FEATURE_FLOW_CONTROL_RX:
7265 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
7266 break;
7267 case PORT_FEATURE_FLOW_CONTROL_BOTH:
7268 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
7269 break;
7270 default:
7271 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
7272 break;
7273 }
7274}
7275
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007276u32 bnx2x_phy_selection(struct link_params *params)
7277{
7278 u32 phy_config_swapped, prio_cfg;
7279 u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
7280
7281 phy_config_swapped = params->multi_phy_config &
7282 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
7283
7284 prio_cfg = params->multi_phy_config &
7285 PORT_HW_CFG_PHY_SELECTION_MASK;
7286
7287 if (phy_config_swapped) {
7288 switch (prio_cfg) {
7289 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
7290 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
7291 break;
7292 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
7293 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
7294 break;
7295 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
7296 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
7297 break;
7298 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
7299 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
7300 break;
7301 }
7302 } else
7303 return_cfg = prio_cfg;
7304
7305 return return_cfg;
7306}
7307
7308
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007309u8 bnx2x_phy_probe(struct link_params *params)
7310{
7311 u8 phy_index, actual_phy_idx, link_cfg_idx;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007312 u32 phy_config_swapped;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007313 struct bnx2x *bp = params->bp;
7314 struct bnx2x_phy *phy;
7315 params->num_phys = 0;
7316 DP(NETIF_MSG_LINK, "Begin phy probe\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007317 phy_config_swapped = params->multi_phy_config &
7318 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007319
7320 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
7321 phy_index++) {
7322 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
7323 actual_phy_idx = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007324 if (phy_config_swapped) {
7325 if (phy_index == EXT_PHY1)
7326 actual_phy_idx = EXT_PHY2;
7327 else if (phy_index == EXT_PHY2)
7328 actual_phy_idx = EXT_PHY1;
7329 }
7330 DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
7331 " actual_phy_idx %x\n", phy_config_swapped,
7332 phy_index, actual_phy_idx);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007333 phy = &params->phy[actual_phy_idx];
7334 if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007335 params->shmem2_base, params->port,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007336 phy) != 0) {
7337 params->num_phys = 0;
7338 DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
7339 phy_index);
7340 for (phy_index = INT_PHY;
7341 phy_index < MAX_PHYS;
7342 phy_index++)
7343 *phy = phy_null;
7344 return -EINVAL;
7345 }
7346 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
7347 break;
7348
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007349 bnx2x_phy_def_cfg(params, phy, phy_index);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007350 params->num_phys++;
7351 }
7352
7353 DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
7354 return 0;
7355}
7356
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007357static void set_phy_vars(struct link_params *params)
7358{
7359 struct bnx2x *bp = params->bp;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007360 u8 actual_phy_idx, phy_index, link_cfg_idx;
7361 u8 phy_config_swapped = params->multi_phy_config &
7362 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007363 for (phy_index = INT_PHY; phy_index < params->num_phys;
7364 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007365 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007366 actual_phy_idx = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007367 if (phy_config_swapped) {
7368 if (phy_index == EXT_PHY1)
7369 actual_phy_idx = EXT_PHY2;
7370 else if (phy_index == EXT_PHY2)
7371 actual_phy_idx = EXT_PHY1;
7372 }
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007373 params->phy[actual_phy_idx].req_flow_ctrl =
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007374 params->req_flow_ctrl[link_cfg_idx];
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007375
7376 params->phy[actual_phy_idx].req_line_speed =
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007377 params->req_line_speed[link_cfg_idx];
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007378
7379 params->phy[actual_phy_idx].speed_cap_mask =
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007380 params->speed_cap_mask[link_cfg_idx];
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007381
7382 params->phy[actual_phy_idx].req_duplex =
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007383 params->req_duplex[link_cfg_idx];
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007384
7385 DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
7386 " speed_cap_mask %x\n",
7387 params->phy[actual_phy_idx].req_flow_ctrl,
7388 params->phy[actual_phy_idx].req_line_speed,
7389 params->phy[actual_phy_idx].speed_cap_mask);
7390 }
7391}
7392
7393u8 bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
7394{
7395 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007396 DP(NETIF_MSG_LINK, "Phy Initialization started\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007397 DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
7398 params->req_line_speed[0], params->req_flow_ctrl[0]);
7399 DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
7400 params->req_line_speed[1], params->req_flow_ctrl[1]);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007401 vars->link_status = 0;
7402 vars->phy_link_up = 0;
7403 vars->link_up = 0;
7404 vars->line_speed = 0;
7405 vars->duplex = DUPLEX_FULL;
7406 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
7407 vars->mac_type = MAC_TYPE_NONE;
7408 vars->phy_flags = 0;
7409
7410 /* disable attentions */
7411 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
7412 (NIG_MASK_XGXS0_LINK_STATUS |
7413 NIG_MASK_XGXS0_LINK10G |
7414 NIG_MASK_SERDES0_LINK_STATUS |
7415 NIG_MASK_MI_INT));
7416
7417 bnx2x_emac_init(params, vars);
7418
7419 if (params->num_phys == 0) {
7420 DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
7421 return -EINVAL;
7422 }
7423 set_phy_vars(params);
7424
7425 DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
7426 if (CHIP_REV_IS_FPGA(bp)) {
7427
7428 vars->link_up = 1;
7429 vars->line_speed = SPEED_10000;
7430 vars->duplex = DUPLEX_FULL;
7431 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
7432 vars->link_status = (LINK_STATUS_LINK_UP | LINK_10GTFD);
7433 /* enable on E1.5 FPGA */
7434 if (CHIP_IS_E1H(bp)) {
7435 vars->flow_ctrl |=
7436 (BNX2X_FLOW_CTRL_TX |
7437 BNX2X_FLOW_CTRL_RX);
7438 vars->link_status |=
7439 (LINK_STATUS_TX_FLOW_CONTROL_ENABLED |
7440 LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
7441 }
7442
7443 bnx2x_emac_enable(params, vars, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007444 if (!(CHIP_IS_E2(bp)))
7445 bnx2x_pbf_update(params, vars->flow_ctrl,
7446 vars->line_speed);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007447 /* disable drain */
7448 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
7449
7450 /* update shared memory */
7451 bnx2x_update_mng(params, vars->link_status);
7452
7453 return 0;
7454
7455 } else
7456 if (CHIP_REV_IS_EMUL(bp)) {
7457
7458 vars->link_up = 1;
7459 vars->line_speed = SPEED_10000;
7460 vars->duplex = DUPLEX_FULL;
7461 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
7462 vars->link_status = (LINK_STATUS_LINK_UP | LINK_10GTFD);
7463
7464 bnx2x_bmac_enable(params, vars, 0);
7465
7466 bnx2x_pbf_update(params, vars->flow_ctrl, vars->line_speed);
7467 /* Disable drain */
7468 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE
7469 + params->port*4, 0);
7470
7471 /* update shared memory */
7472 bnx2x_update_mng(params, vars->link_status);
7473
7474 return 0;
7475
7476 } else
7477 if (params->loopback_mode == LOOPBACK_BMAC) {
7478
7479 vars->link_up = 1;
7480 vars->line_speed = SPEED_10000;
7481 vars->duplex = DUPLEX_FULL;
7482 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
7483 vars->mac_type = MAC_TYPE_BMAC;
7484
7485 vars->phy_flags = PHY_XGXS_FLAG;
7486
7487 bnx2x_xgxs_deassert(params);
7488
7489 /* set bmac loopback */
7490 bnx2x_bmac_enable(params, vars, 1);
7491
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007492 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007493
7494 } else if (params->loopback_mode == LOOPBACK_EMAC) {
7495
7496 vars->link_up = 1;
7497 vars->line_speed = SPEED_1000;
7498 vars->duplex = DUPLEX_FULL;
7499 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
7500 vars->mac_type = MAC_TYPE_EMAC;
7501
7502 vars->phy_flags = PHY_XGXS_FLAG;
7503
7504 bnx2x_xgxs_deassert(params);
7505 /* set bmac loopback */
7506 bnx2x_emac_enable(params, vars, 1);
7507 bnx2x_emac_program(params, vars);
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007508 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007509
7510 } else if ((params->loopback_mode == LOOPBACK_XGXS) ||
7511 (params->loopback_mode == LOOPBACK_EXT_PHY)) {
7512
7513 vars->link_up = 1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007514 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007515 vars->duplex = DUPLEX_FULL;
7516 if (params->req_line_speed[0] == SPEED_1000) {
7517 vars->line_speed = SPEED_1000;
7518 vars->mac_type = MAC_TYPE_EMAC;
7519 } else {
7520 vars->line_speed = SPEED_10000;
7521 vars->mac_type = MAC_TYPE_BMAC;
7522 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007523
7524 bnx2x_xgxs_deassert(params);
7525 bnx2x_link_initialize(params, vars);
7526
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007527 if (params->req_line_speed[0] == SPEED_1000) {
7528 bnx2x_emac_program(params, vars);
7529 bnx2x_emac_enable(params, vars, 0);
7530 } else
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007531 bnx2x_bmac_enable(params, vars, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007532 if (params->loopback_mode == LOOPBACK_XGXS) {
7533 /* set 10G XGXS loopback */
7534 params->phy[INT_PHY].config_loopback(
7535 &params->phy[INT_PHY],
7536 params);
7537
7538 } else {
7539 /* set external phy loopback */
7540 u8 phy_index;
7541 for (phy_index = EXT_PHY1;
7542 phy_index < params->num_phys; phy_index++) {
7543 if (params->phy[phy_index].config_loopback)
7544 params->phy[phy_index].config_loopback(
7545 &params->phy[phy_index],
7546 params);
7547 }
7548 }
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007549 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007550
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007551 bnx2x_set_led(params, vars,
7552 LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007553 } else
7554 /* No loopback */
7555 {
7556 if (params->switch_cfg == SWITCH_CFG_10G)
7557 bnx2x_xgxs_deassert(params);
7558 else
7559 bnx2x_serdes_deassert(bp, params->port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007560
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007561 bnx2x_link_initialize(params, vars);
7562 msleep(30);
7563 bnx2x_link_int_enable(params);
7564 }
7565 return 0;
7566}
7567u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007568 u8 reset_ext_phy)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007569{
7570 struct bnx2x *bp = params->bp;
Yaniv Rosnercf1d9722010-11-01 05:32:34 +00007571 u8 phy_index, port = params->port, clear_latch_ind = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007572 DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
7573 /* disable attentions */
7574 vars->link_status = 0;
7575 bnx2x_update_mng(params, vars->link_status);
7576 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007577 (NIG_MASK_XGXS0_LINK_STATUS |
7578 NIG_MASK_XGXS0_LINK10G |
7579 NIG_MASK_SERDES0_LINK_STATUS |
7580 NIG_MASK_MI_INT));
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007581
7582 /* activate nig drain */
7583 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
7584
7585 /* disable nig egress interface */
7586 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
7587 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
7588
7589 /* Stop BigMac rx */
7590 bnx2x_bmac_rx_disable(bp, port);
7591
7592 /* disable emac */
7593 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
7594
7595 msleep(10);
7596 /* The PHY reset is controled by GPIO 1
7597 * Hold it as vars low
7598 */
7599 /* clear link led */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00007600 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
7601
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007602 if (reset_ext_phy) {
7603 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
7604 phy_index++) {
7605 if (params->phy[phy_index].link_reset)
7606 params->phy[phy_index].link_reset(
7607 &params->phy[phy_index],
7608 params);
Yaniv Rosnercf1d9722010-11-01 05:32:34 +00007609 if (params->phy[phy_index].flags &
7610 FLAGS_REARM_LATCH_SIGNAL)
7611 clear_latch_ind = 1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007612 }
7613 }
7614
Yaniv Rosnercf1d9722010-11-01 05:32:34 +00007615 if (clear_latch_ind) {
7616 /* Clear latching indication */
7617 bnx2x_rearm_latch_signal(bp, port, 0);
7618 bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
7619 1 << NIG_LATCH_BC_ENABLE_MI_INT);
7620 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007621 if (params->phy[INT_PHY].link_reset)
7622 params->phy[INT_PHY].link_reset(
7623 &params->phy[INT_PHY], params);
7624 /* reset BigMac */
7625 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7626 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
7627
7628 /* disable nig ingress interface */
7629 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
7630 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
7631 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
7632 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
7633 vars->link_up = 0;
7634 return 0;
7635}
7636
7637/****************************************************************************/
7638/* Common function */
7639/****************************************************************************/
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007640static u8 bnx2x_8073_common_init_phy(struct bnx2x *bp,
7641 u32 shmem_base_path[],
7642 u32 shmem2_base_path[], u8 phy_index,
7643 u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007644{
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007645 struct bnx2x_phy phy[PORT_MAX];
7646 struct bnx2x_phy *phy_blk[PORT_MAX];
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007647 u16 val;
Yaniv Rosnerc8e64df2011-01-30 04:15:00 +00007648 s8 port = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007649 s8 port_of_path = 0;
Yaniv Rosnerc8e64df2011-01-30 04:15:00 +00007650 u32 swap_val, swap_override;
7651 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7652 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7653 port ^= (swap_val && swap_override);
7654 bnx2x_ext_phy_hw_reset(bp, port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007655 /* PART1 - Reset both phys */
7656 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007657 u32 shmem_base, shmem2_base;
7658 /* In E2, same phy is using for port0 of the two paths */
7659 if (CHIP_IS_E2(bp)) {
7660 shmem_base = shmem_base_path[port];
7661 shmem2_base = shmem2_base_path[port];
7662 port_of_path = 0;
7663 } else {
7664 shmem_base = shmem_base_path[0];
7665 shmem2_base = shmem2_base_path[0];
7666 port_of_path = port;
7667 }
7668
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007669 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007670 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007671 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007672 0) {
7673 DP(NETIF_MSG_LINK, "populate_phy failed\n");
7674 return -EINVAL;
7675 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007676 /* disable attentions */
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00007677 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
7678 port_of_path*4,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007679 (NIG_MASK_XGXS0_LINK_STATUS |
7680 NIG_MASK_XGXS0_LINK10G |
7681 NIG_MASK_SERDES0_LINK_STATUS |
7682 NIG_MASK_MI_INT));
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007683
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007684 /* Need to take the phy out of low power mode in order
7685 to write to access its registers */
7686 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007687 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
7688 port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007689
7690 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007691 bnx2x_cl45_write(bp, &phy[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007692 MDIO_PMA_DEVAD,
7693 MDIO_PMA_REG_CTRL,
7694 1<<15);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007695 }
7696
7697 /* Add delay of 150ms after reset */
7698 msleep(150);
7699
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007700 if (phy[PORT_0].addr & 0x1) {
7701 phy_blk[PORT_0] = &(phy[PORT_1]);
7702 phy_blk[PORT_1] = &(phy[PORT_0]);
7703 } else {
7704 phy_blk[PORT_0] = &(phy[PORT_0]);
7705 phy_blk[PORT_1] = &(phy[PORT_1]);
7706 }
7707
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007708 /* PART2 - Download firmware to both phys */
7709 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007710 if (CHIP_IS_E2(bp))
7711 port_of_path = 0;
7712 else
7713 port_of_path = port;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007714
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007715 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
7716 phy_blk[port]->addr);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00007717 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
7718 port_of_path))
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007719 return -EINVAL;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007720
7721 /* Only set bit 10 = 1 (Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007722 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007723 MDIO_PMA_DEVAD,
7724 MDIO_PMA_REG_TX_POWER_DOWN, &val);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007725
7726 /* Phase1 of TX_POWER_DOWN reset */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007727 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007728 MDIO_PMA_DEVAD,
7729 MDIO_PMA_REG_TX_POWER_DOWN,
7730 (val | 1<<10));
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007731 }
7732
7733 /* Toggle Transmitter: Power down and then up with 600ms
7734 delay between */
7735 msleep(600);
7736
7737 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
7738 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Eilon Greensteinf5372252009-02-12 08:38:30 +00007739 /* Phase2 of POWER_DOWN_RESET */
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007740 /* Release bit 10 (Release Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007741 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007742 MDIO_PMA_DEVAD,
7743 MDIO_PMA_REG_TX_POWER_DOWN, &val);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007744
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007745 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007746 MDIO_PMA_DEVAD,
7747 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007748 msleep(15);
7749
7750 /* Read modify write the SPI-ROM version select register */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007751 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007752 MDIO_PMA_DEVAD,
7753 MDIO_PMA_REG_EDC_FFE_MAIN, &val);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007754 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007755 MDIO_PMA_DEVAD,
7756 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007757
7758 /* set GPIO2 back to LOW */
7759 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007760 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007761 }
7762 return 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007763}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007764static u8 bnx2x_8726_common_init_phy(struct bnx2x *bp,
7765 u32 shmem_base_path[],
7766 u32 shmem2_base_path[], u8 phy_index,
7767 u32 chip_id)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007768{
7769 u32 val;
7770 s8 port;
7771 struct bnx2x_phy phy;
7772 /* Use port1 because of the static port-swap */
7773 /* Enable the module detection interrupt */
7774 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
7775 val |= ((1<<MISC_REGISTERS_GPIO_3)|
7776 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
7777 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
7778
Yaniv Rosner650154b2010-11-01 05:32:36 +00007779 bnx2x_ext_phy_hw_reset(bp, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007780 msleep(5);
7781 for (port = 0; port < PORT_MAX; port++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007782 u32 shmem_base, shmem2_base;
7783
7784 /* In E2, same phy is using for port0 of the two paths */
7785 if (CHIP_IS_E2(bp)) {
7786 shmem_base = shmem_base_path[port];
7787 shmem2_base = shmem2_base_path[port];
7788 } else {
7789 shmem_base = shmem_base_path[0];
7790 shmem2_base = shmem2_base_path[0];
7791 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007792 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007793 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007794 port, &phy) !=
7795 0) {
7796 DP(NETIF_MSG_LINK, "populate phy failed\n");
7797 return -EINVAL;
7798 }
7799
7800 /* Reset phy*/
7801 bnx2x_cl45_write(bp, &phy,
7802 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
7803
7804
7805 /* Set fault module detected LED on */
7806 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007807 MISC_REGISTERS_GPIO_HIGH,
7808 port);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007809 }
7810
7811 return 0;
7812}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007813static u8 bnx2x_8727_common_init_phy(struct bnx2x *bp,
7814 u32 shmem_base_path[],
7815 u32 shmem2_base_path[], u8 phy_index,
7816 u32 chip_id)
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007817{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007818 s8 port;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007819 u32 swap_val, swap_override;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007820 struct bnx2x_phy phy[PORT_MAX];
7821 struct bnx2x_phy *phy_blk[PORT_MAX];
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007822 s8 port_of_path;
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007823 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7824 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007825
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007826 port = 1;
7827
7828 bnx2x_ext_phy_hw_reset(bp, port ^ (swap_val && swap_override));
7829
7830 /* Calculate the port based on port swap */
7831 port ^= (swap_val && swap_override);
7832
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007833 msleep(5);
7834
7835 /* PART1 - Reset both phys */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007836 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007837 u32 shmem_base, shmem2_base;
7838
7839 /* In E2, same phy is using for port0 of the two paths */
7840 if (CHIP_IS_E2(bp)) {
7841 shmem_base = shmem_base_path[port];
7842 shmem2_base = shmem2_base_path[port];
7843 port_of_path = 0;
7844 } else {
7845 shmem_base = shmem_base_path[0];
7846 shmem2_base = shmem2_base_path[0];
7847 port_of_path = port;
7848 }
7849
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007850 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007851 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007852 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007853 0) {
7854 DP(NETIF_MSG_LINK, "populate phy failed\n");
7855 return -EINVAL;
7856 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007857 /* disable attentions */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007858 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
7859 port_of_path*4,
7860 (NIG_MASK_XGXS0_LINK_STATUS |
7861 NIG_MASK_XGXS0_LINK10G |
7862 NIG_MASK_SERDES0_LINK_STATUS |
7863 NIG_MASK_MI_INT));
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007864
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007865
7866 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007867 bnx2x_cl45_write(bp, &phy[port],
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007868 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007869 }
7870
7871 /* Add delay of 150ms after reset */
7872 msleep(150);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007873 if (phy[PORT_0].addr & 0x1) {
7874 phy_blk[PORT_0] = &(phy[PORT_1]);
7875 phy_blk[PORT_1] = &(phy[PORT_0]);
7876 } else {
7877 phy_blk[PORT_0] = &(phy[PORT_0]);
7878 phy_blk[PORT_1] = &(phy[PORT_1]);
7879 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007880 /* PART2 - Download firmware to both phys */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007881 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Yaniv Rosnercd88cce2011-01-31 04:21:34 +00007882 if (CHIP_IS_E2(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007883 port_of_path = 0;
7884 else
7885 port_of_path = port;
7886 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
7887 phy_blk[port]->addr);
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00007888 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
7889 port_of_path))
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007890 return -EINVAL;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007891
Yaniv Rosner5c99274b2011-01-18 04:33:36 +00007892 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007893 return 0;
7894}
7895
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007896static u8 bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
7897 u32 shmem2_base_path[], u8 phy_index,
7898 u32 ext_phy_type, u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007899{
7900 u8 rc = 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007901
7902 switch (ext_phy_type) {
7903 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007904 rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
7905 shmem2_base_path,
7906 phy_index, chip_id);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007907 break;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007908
7909 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
7910 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007911 rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
7912 shmem2_base_path,
7913 phy_index, chip_id);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007914 break;
7915
Eilon Greenstein589abe32009-02-12 08:36:55 +00007916 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
7917 /* GPIO1 affects both ports, so there's need to pull
7918 it for single port alone */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007919 rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
7920 shmem2_base_path,
7921 phy_index, chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007922 break;
7923 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7924 rc = -EINVAL;
Yaniv Rosner4f60dab2009-11-05 19:18:23 +02007925 break;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007926 default:
7927 DP(NETIF_MSG_LINK,
7928 "bnx2x_common_init_phy: ext_phy 0x%x not required\n",
7929 ext_phy_type);
7930 break;
7931 }
7932
7933 return rc;
7934}
7935
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007936u8 bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
7937 u32 shmem2_base_path[], u32 chip_id)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007938{
7939 u8 rc = 0;
Yaniv Rosnerb21a3422011-01-18 04:33:24 +00007940 u32 phy_ver;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007941 u8 phy_index;
7942 u32 ext_phy_type, ext_phy_config;
7943 DP(NETIF_MSG_LINK, "Begin common phy init\n");
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00007944
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007945 if (CHIP_REV_IS_EMUL(bp))
7946 return 0;
7947
Yaniv Rosnerb21a3422011-01-18 04:33:24 +00007948 /* Check if common init was already done */
7949 phy_ver = REG_RD(bp, shmem_base_path[0] +
7950 offsetof(struct shmem_region,
7951 port_mb[PORT_0].ext_phy_fw_version));
7952 if (phy_ver) {
7953 DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
7954 phy_ver);
7955 return 0;
7956 }
7957
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007958 /* Read the ext_phy_type for arbitrary port(0) */
7959 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
7960 phy_index++) {
7961 ext_phy_config = bnx2x_get_ext_phy_config(bp,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007962 shmem_base_path[0],
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007963 phy_index, 0);
7964 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007965 rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
7966 shmem2_base_path,
7967 phy_index, ext_phy_type,
7968 chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007969 }
7970 return rc;
7971}
7972
7973u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00007974{
7975 u8 phy_index;
7976 struct bnx2x_phy phy;
7977 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
7978 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007979 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00007980 0, &phy) != 0) {
7981 DP(NETIF_MSG_LINK, "populate phy failed\n");
7982 return 0;
7983 }
7984
7985 if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
7986 return 1;
7987 }
7988 return 0;
7989}
7990
7991u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
7992 u32 shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007993 u32 shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00007994 u8 port)
7995{
7996 u8 phy_index, fan_failure_det_req = 0;
7997 struct bnx2x_phy phy;
7998 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
7999 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008000 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00008001 port, &phy)
8002 != 0) {
8003 DP(NETIF_MSG_LINK, "populate phy failed\n");
8004 return 0;
8005 }
8006 fan_failure_det_req |= (phy.flags &
8007 FLAGS_FAN_FAILURE_DET_REQ);
8008 }
8009 return fan_failure_det_req;
8010}
8011
8012void bnx2x_hw_reset_phy(struct link_params *params)
8013{
8014 u8 phy_index;
8015 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
8016 phy_index++) {
8017 if (params->phy[phy_index].hw_reset) {
8018 params->phy[phy_index].hw_reset(
8019 &params->phy[phy_index],
8020 params);
8021 params->phy[phy_index] = phy_null;
8022 }
8023 }
8024}