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1 | /* Copyright 2008-2011 Broadcom Corporation | |
2 | * | |
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 | ||
17 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
18 | ||
19 | #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> | |
26 | ||
27 | #include "bnx2x.h" | |
28 | ||
29 | /********************************************************/ | |
30 | #define ETH_HLEN 14 | |
31 | /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */ | |
32 | #define ETH_OVREHEAD (ETH_HLEN + 8 + 8) | |
33 | #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 | |
37 | #define BMAC_CONTROL_RX_ENABLE 2 | |
38 | ||
39 | /***********************************************************/ | |
40 | /* Shortcut definitions */ | |
41 | /***********************************************************/ | |
42 | ||
43 | #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 | |
47 | #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 | |
83 | #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM | |
84 | #define AUTONEG_PARALLEL \ | |
85 | SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION | |
86 | #define AUTONEG_SGMII_FIBER_AUTODET \ | |
87 | SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT | |
88 | #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY | |
89 | ||
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 | ||
116 | #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD | |
117 | #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD | |
118 | #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD | |
119 | #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4 | |
120 | #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 | |
127 | #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 | |
131 | #define LINK_12_5GTFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GTFD | |
132 | #define LINK_12_5GXFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GXFD | |
133 | #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 | |
139 | ||
140 | #define PHY_XGXS_FLAG 0x1 | |
141 | #define PHY_SGMII_FLAG 0x2 | |
142 | #define PHY_SERDES_FLAG 0x4 | |
143 | ||
144 | /* */ | |
145 | #define SFP_EEPROM_CON_TYPE_ADDR 0x2 | |
146 | #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7 | |
147 | #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21 | |
148 | ||
149 | ||
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 | ||
155 | #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8 | |
156 | #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4 | |
157 | #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8 | |
158 | ||
159 | #define SFP_EEPROM_OPTIONS_ADDR 0x40 | |
160 | #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1 | |
161 | #define SFP_EEPROM_OPTIONS_SIZE 2 | |
162 | ||
163 | #define EDC_MODE_LINEAR 0x0022 | |
164 | #define EDC_MODE_LIMITING 0x0044 | |
165 | #define EDC_MODE_PASSIVE_DAC 0x0055 | |
166 | ||
167 | ||
168 | #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000) | |
169 | #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000) | |
170 | /**********************************************************/ | |
171 | /* INTERFACE */ | |
172 | /**********************************************************/ | |
173 | ||
174 | #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \ | |
175 | bnx2x_cl45_write(_bp, _phy, \ | |
176 | (_phy)->def_md_devad, \ | |
177 | (_bank + (_addr & 0xf)), \ | |
178 | _val) | |
179 | ||
180 | #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \ | |
181 | bnx2x_cl45_read(_bp, _phy, \ | |
182 | (_phy)->def_md_devad, \ | |
183 | (_bank + (_addr & 0xf)), \ | |
184 | _val) | |
185 | ||
186 | static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits) | |
187 | { | |
188 | u32 val = REG_RD(bp, reg); | |
189 | ||
190 | val |= bits; | |
191 | REG_WR(bp, reg, val); | |
192 | return val; | |
193 | } | |
194 | ||
195 | static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits) | |
196 | { | |
197 | u32 val = REG_RD(bp, reg); | |
198 | ||
199 | val &= ~bits; | |
200 | REG_WR(bp, reg, val); | |
201 | return val; | |
202 | } | |
203 | ||
204 | /******************************************************************/ | |
205 | /* ETS section */ | |
206 | /******************************************************************/ | |
207 | void bnx2x_ets_disabled(struct link_params *params) | |
208 | { | |
209 | /* ETS disabled configuration*/ | |
210 | struct bnx2x *bp = params->bp; | |
211 | ||
212 | DP(NETIF_MSG_LINK, "ETS disabled configuration\n"); | |
213 | ||
214 | /* | |
215 | * mapping between entry priority to client number (0,1,2 -debug and | |
216 | * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST) | |
217 | * 3bits client num. | |
218 | * PRI4 | PRI3 | PRI2 | PRI1 | PRI0 | |
219 | * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000 | |
220 | */ | |
221 | ||
222 | REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688); | |
223 | /* | |
224 | * Bitmap of 5bits length. Each bit specifies whether the entry behaves | |
225 | * as strict. Bits 0,1,2 - debug and management entries, 3 - | |
226 | * COS0 entry, 4 - COS1 entry. | |
227 | * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT | |
228 | * bit4 bit3 bit2 bit1 bit0 | |
229 | * MCP and debug are strict | |
230 | */ | |
231 | ||
232 | REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7); | |
233 | /* defines which entries (clients) are subjected to WFQ arbitration */ | |
234 | REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0); | |
235 | /* | |
236 | * For strict priority entries defines the number of consecutive | |
237 | * slots for the highest priority. | |
238 | */ | |
239 | REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100); | |
240 | /* | |
241 | * mapping between the CREDIT_WEIGHT registers and actual client | |
242 | * numbers | |
243 | */ | |
244 | REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0); | |
245 | REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0); | |
246 | REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0); | |
247 | ||
248 | REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0); | |
249 | REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0); | |
250 | REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0); | |
251 | /* ETS mode disable */ | |
252 | REG_WR(bp, PBF_REG_ETS_ENABLED, 0); | |
253 | /* | |
254 | * If ETS mode is enabled (there is no strict priority) defines a WFQ | |
255 | * weight for COS0/COS1. | |
256 | */ | |
257 | REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710); | |
258 | REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710); | |
259 | /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */ | |
260 | REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680); | |
261 | REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680); | |
262 | /* Defines the number of consecutive slots for the strict priority */ | |
263 | REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0); | |
264 | } | |
265 | ||
266 | static void bnx2x_ets_bw_limit_common(const struct link_params *params) | |
267 | { | |
268 | /* ETS disabled configuration */ | |
269 | struct bnx2x *bp = params->bp; | |
270 | DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n"); | |
271 | /* | |
272 | * defines which entries (clients) are subjected to WFQ arbitration | |
273 | * COS0 0x8 | |
274 | * COS1 0x10 | |
275 | */ | |
276 | REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18); | |
277 | /* | |
278 | * mapping between the ARB_CREDIT_WEIGHT registers and actual | |
279 | * client numbers (WEIGHT_0 does not actually have to represent | |
280 | * client 0) | |
281 | * PRI4 | PRI3 | PRI2 | PRI1 | PRI0 | |
282 | * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010 | |
283 | */ | |
284 | REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A); | |
285 | ||
286 | REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, | |
287 | ETS_BW_LIMIT_CREDIT_UPPER_BOUND); | |
288 | REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, | |
289 | ETS_BW_LIMIT_CREDIT_UPPER_BOUND); | |
290 | ||
291 | /* ETS mode enabled*/ | |
292 | REG_WR(bp, PBF_REG_ETS_ENABLED, 1); | |
293 | ||
294 | /* Defines the number of consecutive slots for the strict priority */ | |
295 | REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0); | |
296 | /* | |
297 | * Bitmap of 5bits length. Each bit specifies whether the entry behaves | |
298 | * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0 | |
299 | * entry, 4 - COS1 entry. | |
300 | * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT | |
301 | * bit4 bit3 bit2 bit1 bit0 | |
302 | * MCP and debug are strict | |
303 | */ | |
304 | REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7); | |
305 | ||
306 | /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/ | |
307 | REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, | |
308 | ETS_BW_LIMIT_CREDIT_UPPER_BOUND); | |
309 | REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, | |
310 | ETS_BW_LIMIT_CREDIT_UPPER_BOUND); | |
311 | } | |
312 | ||
313 | void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw, | |
314 | const u32 cos1_bw) | |
315 | { | |
316 | /* ETS disabled configuration*/ | |
317 | struct bnx2x *bp = params->bp; | |
318 | const u32 total_bw = cos0_bw + cos1_bw; | |
319 | u32 cos0_credit_weight = 0; | |
320 | u32 cos1_credit_weight = 0; | |
321 | ||
322 | DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n"); | |
323 | ||
324 | if ((0 == total_bw) || | |
325 | (0 == cos0_bw) || | |
326 | (0 == cos1_bw)) { | |
327 | DP(NETIF_MSG_LINK, "Total BW can't be zero\n"); | |
328 | return; | |
329 | } | |
330 | ||
331 | cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/ | |
332 | total_bw; | |
333 | cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/ | |
334 | total_bw; | |
335 | ||
336 | bnx2x_ets_bw_limit_common(params); | |
337 | ||
338 | REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight); | |
339 | REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight); | |
340 | ||
341 | REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight); | |
342 | REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight); | |
343 | } | |
344 | ||
345 | u8 bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos) | |
346 | { | |
347 | /* ETS disabled configuration*/ | |
348 | struct bnx2x *bp = params->bp; | |
349 | u32 val = 0; | |
350 | ||
351 | DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n"); | |
352 | /* | |
353 | * Bitmap of 5bits length. Each bit specifies whether the entry behaves | |
354 | * as strict. Bits 0,1,2 - debug and management entries, | |
355 | * 3 - COS0 entry, 4 - COS1 entry. | |
356 | * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT | |
357 | * bit4 bit3 bit2 bit1 bit0 | |
358 | * MCP and debug are strict | |
359 | */ | |
360 | REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F); | |
361 | /* | |
362 | * For strict priority entries defines the number of consecutive slots | |
363 | * for the highest priority. | |
364 | */ | |
365 | REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100); | |
366 | /* ETS mode disable */ | |
367 | REG_WR(bp, PBF_REG_ETS_ENABLED, 0); | |
368 | /* Defines the number of consecutive slots for the strict priority */ | |
369 | REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100); | |
370 | ||
371 | /* Defines the number of consecutive slots for the strict priority */ | |
372 | REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos); | |
373 | ||
374 | /* | |
375 | * mapping between entry priority to client number (0,1,2 -debug and | |
376 | * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST) | |
377 | * 3bits client num. | |
378 | * PRI4 | PRI3 | PRI2 | PRI1 | PRI0 | |
379 | * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000 | |
380 | * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000 | |
381 | */ | |
382 | val = (0 == strict_cos) ? 0x2318 : 0x22E0; | |
383 | REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val); | |
384 | ||
385 | return 0; | |
386 | } | |
387 | /******************************************************************/ | |
388 | /* PFC section */ | |
389 | /******************************************************************/ | |
390 | ||
391 | static void bnx2x_bmac2_get_pfc_stat(struct link_params *params, | |
392 | u32 pfc_frames_sent[2], | |
393 | u32 pfc_frames_received[2]) | |
394 | { | |
395 | /* Read pfc statistic */ | |
396 | struct bnx2x *bp = params->bp; | |
397 | u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM : | |
398 | NIG_REG_INGRESS_BMAC0_MEM; | |
399 | ||
400 | DP(NETIF_MSG_LINK, "pfc statistic read from BMAC\n"); | |
401 | ||
402 | REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_STAT_GTPP, | |
403 | pfc_frames_sent, 2); | |
404 | ||
405 | REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_STAT_GRPP, | |
406 | pfc_frames_received, 2); | |
407 | ||
408 | } | |
409 | static void bnx2x_emac_get_pfc_stat(struct link_params *params, | |
410 | u32 pfc_frames_sent[2], | |
411 | u32 pfc_frames_received[2]) | |
412 | { | |
413 | /* Read pfc statistic */ | |
414 | struct bnx2x *bp = params->bp; | |
415 | u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; | |
416 | u32 val_xon = 0; | |
417 | u32 val_xoff = 0; | |
418 | ||
419 | DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n"); | |
420 | ||
421 | /* PFC received frames */ | |
422 | val_xoff = REG_RD(bp, emac_base + | |
423 | EMAC_REG_RX_PFC_STATS_XOFF_RCVD); | |
424 | val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT; | |
425 | val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD); | |
426 | val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT; | |
427 | ||
428 | pfc_frames_received[0] = val_xon + val_xoff; | |
429 | ||
430 | /* PFC received sent */ | |
431 | val_xoff = REG_RD(bp, emac_base + | |
432 | EMAC_REG_RX_PFC_STATS_XOFF_SENT); | |
433 | val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT; | |
434 | val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT); | |
435 | val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT; | |
436 | ||
437 | pfc_frames_sent[0] = val_xon + val_xoff; | |
438 | } | |
439 | ||
440 | void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars, | |
441 | u32 pfc_frames_sent[2], | |
442 | u32 pfc_frames_received[2]) | |
443 | { | |
444 | /* Read pfc statistic */ | |
445 | struct bnx2x *bp = params->bp; | |
446 | u32 val = 0; | |
447 | DP(NETIF_MSG_LINK, "pfc statistic\n"); | |
448 | ||
449 | if (!vars->link_up) | |
450 | return; | |
451 | ||
452 | val = REG_RD(bp, MISC_REG_RESET_REG_2); | |
453 | if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) | |
454 | == 0) { | |
455 | DP(NETIF_MSG_LINK, "About to read stats from EMAC\n"); | |
456 | bnx2x_emac_get_pfc_stat(params, pfc_frames_sent, | |
457 | pfc_frames_received); | |
458 | } else { | |
459 | DP(NETIF_MSG_LINK, "About to read stats from BMAC\n"); | |
460 | bnx2x_bmac2_get_pfc_stat(params, pfc_frames_sent, | |
461 | pfc_frames_received); | |
462 | } | |
463 | } | |
464 | /******************************************************************/ | |
465 | /* MAC/PBF section */ | |
466 | /******************************************************************/ | |
467 | static void bnx2x_emac_init(struct link_params *params, | |
468 | struct link_vars *vars) | |
469 | { | |
470 | /* reset and unreset the emac core */ | |
471 | struct bnx2x *bp = params->bp; | |
472 | u8 port = params->port; | |
473 | u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; | |
474 | u32 val; | |
475 | u16 timeout; | |
476 | ||
477 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, | |
478 | (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port)); | |
479 | udelay(5); | |
480 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, | |
481 | (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port)); | |
482 | ||
483 | /* init emac - use read-modify-write */ | |
484 | /* self clear reset */ | |
485 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); | |
486 | EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET)); | |
487 | ||
488 | timeout = 200; | |
489 | do { | |
490 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); | |
491 | DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val); | |
492 | if (!timeout) { | |
493 | DP(NETIF_MSG_LINK, "EMAC timeout!\n"); | |
494 | return; | |
495 | } | |
496 | timeout--; | |
497 | } while (val & EMAC_MODE_RESET); | |
498 | ||
499 | /* Set mac address */ | |
500 | val = ((params->mac_addr[0] << 8) | | |
501 | params->mac_addr[1]); | |
502 | EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val); | |
503 | ||
504 | val = ((params->mac_addr[2] << 24) | | |
505 | (params->mac_addr[3] << 16) | | |
506 | (params->mac_addr[4] << 8) | | |
507 | params->mac_addr[5]); | |
508 | EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val); | |
509 | } | |
510 | ||
511 | static u8 bnx2x_emac_enable(struct link_params *params, | |
512 | struct link_vars *vars, u8 lb) | |
513 | { | |
514 | struct bnx2x *bp = params->bp; | |
515 | u8 port = params->port; | |
516 | u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; | |
517 | u32 val; | |
518 | ||
519 | DP(NETIF_MSG_LINK, "enabling EMAC\n"); | |
520 | ||
521 | /* enable emac and not bmac */ | |
522 | REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1); | |
523 | ||
524 | /* ASIC */ | |
525 | if (vars->phy_flags & PHY_XGXS_FLAG) { | |
526 | u32 ser_lane = ((params->lane_config & | |
527 | PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> | |
528 | PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); | |
529 | ||
530 | DP(NETIF_MSG_LINK, "XGXS\n"); | |
531 | /* select the master lanes (out of 0-3) */ | |
532 | REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane); | |
533 | /* select XGXS */ | |
534 | REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1); | |
535 | ||
536 | } else { /* SerDes */ | |
537 | DP(NETIF_MSG_LINK, "SerDes\n"); | |
538 | /* select SerDes */ | |
539 | REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0); | |
540 | } | |
541 | ||
542 | bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE, | |
543 | EMAC_RX_MODE_RESET); | |
544 | bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE, | |
545 | EMAC_TX_MODE_RESET); | |
546 | ||
547 | if (CHIP_REV_IS_SLOW(bp)) { | |
548 | /* config GMII mode */ | |
549 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); | |
550 | EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII)); | |
551 | } else { /* ASIC */ | |
552 | /* pause enable/disable */ | |
553 | bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE, | |
554 | EMAC_RX_MODE_FLOW_EN); | |
555 | ||
556 | bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE, | |
557 | (EMAC_TX_MODE_EXT_PAUSE_EN | | |
558 | EMAC_TX_MODE_FLOW_EN)); | |
559 | if (!(params->feature_config_flags & | |
560 | FEATURE_CONFIG_PFC_ENABLED)) { | |
561 | if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX) | |
562 | bnx2x_bits_en(bp, emac_base + | |
563 | EMAC_REG_EMAC_RX_MODE, | |
564 | EMAC_RX_MODE_FLOW_EN); | |
565 | ||
566 | if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) | |
567 | bnx2x_bits_en(bp, emac_base + | |
568 | EMAC_REG_EMAC_TX_MODE, | |
569 | (EMAC_TX_MODE_EXT_PAUSE_EN | | |
570 | EMAC_TX_MODE_FLOW_EN)); | |
571 | } else | |
572 | bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE, | |
573 | EMAC_TX_MODE_FLOW_EN); | |
574 | } | |
575 | ||
576 | /* KEEP_VLAN_TAG, promiscuous */ | |
577 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE); | |
578 | val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS; | |
579 | ||
580 | /* | |
581 | * Setting this bit causes MAC control frames (except for pause | |
582 | * frames) to be passed on for processing. This setting has no | |
583 | * affect on the operation of the pause frames. This bit effects | |
584 | * all packets regardless of RX Parser packet sorting logic. | |
585 | * Turn the PFC off to make sure we are in Xon state before | |
586 | * enabling it. | |
587 | */ | |
588 | EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0); | |
589 | if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) { | |
590 | DP(NETIF_MSG_LINK, "PFC is enabled\n"); | |
591 | /* Enable PFC again */ | |
592 | EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, | |
593 | EMAC_REG_RX_PFC_MODE_RX_EN | | |
594 | EMAC_REG_RX_PFC_MODE_TX_EN | | |
595 | EMAC_REG_RX_PFC_MODE_PRIORITIES); | |
596 | ||
597 | EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM, | |
598 | ((0x0101 << | |
599 | EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) | | |
600 | (0x00ff << | |
601 | EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT))); | |
602 | val |= EMAC_RX_MODE_KEEP_MAC_CONTROL; | |
603 | } | |
604 | EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val); | |
605 | ||
606 | /* Set Loopback */ | |
607 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); | |
608 | if (lb) | |
609 | val |= 0x810; | |
610 | else | |
611 | val &= ~0x810; | |
612 | EMAC_WR(bp, EMAC_REG_EMAC_MODE, val); | |
613 | ||
614 | /* enable emac */ | |
615 | REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1); | |
616 | ||
617 | /* enable emac for jumbo packets */ | |
618 | EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE, | |
619 | (EMAC_RX_MTU_SIZE_JUMBO_ENA | | |
620 | (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD))); | |
621 | ||
622 | /* strip CRC */ | |
623 | REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1); | |
624 | ||
625 | /* disable the NIG in/out to the bmac */ | |
626 | REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0); | |
627 | REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0); | |
628 | REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0); | |
629 | ||
630 | /* enable the NIG in/out to the emac */ | |
631 | REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1); | |
632 | val = 0; | |
633 | if ((params->feature_config_flags & | |
634 | FEATURE_CONFIG_PFC_ENABLED) || | |
635 | (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)) | |
636 | val = 1; | |
637 | ||
638 | REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val); | |
639 | REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1); | |
640 | ||
641 | REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0); | |
642 | ||
643 | vars->mac_type = MAC_TYPE_EMAC; | |
644 | return 0; | |
645 | } | |
646 | ||
647 | static void bnx2x_update_pfc_bmac1(struct link_params *params, | |
648 | struct link_vars *vars) | |
649 | { | |
650 | u32 wb_data[2]; | |
651 | struct bnx2x *bp = params->bp; | |
652 | u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM : | |
653 | NIG_REG_INGRESS_BMAC0_MEM; | |
654 | ||
655 | u32 val = 0x14; | |
656 | if ((!(params->feature_config_flags & | |
657 | FEATURE_CONFIG_PFC_ENABLED)) && | |
658 | (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)) | |
659 | /* Enable BigMAC to react on received Pause packets */ | |
660 | val |= (1<<5); | |
661 | wb_data[0] = val; | |
662 | wb_data[1] = 0; | |
663 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2); | |
664 | ||
665 | /* tx control */ | |
666 | val = 0xc0; | |
667 | if (!(params->feature_config_flags & | |
668 | FEATURE_CONFIG_PFC_ENABLED) && | |
669 | (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)) | |
670 | val |= 0x800000; | |
671 | wb_data[0] = val; | |
672 | wb_data[1] = 0; | |
673 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2); | |
674 | } | |
675 | ||
676 | static void bnx2x_update_pfc_bmac2(struct link_params *params, | |
677 | struct link_vars *vars, | |
678 | u8 is_lb) | |
679 | { | |
680 | /* | |
681 | * Set rx control: Strip CRC and enable BigMAC to relay | |
682 | * control packets to the system as well | |
683 | */ | |
684 | u32 wb_data[2]; | |
685 | struct bnx2x *bp = params->bp; | |
686 | u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM : | |
687 | NIG_REG_INGRESS_BMAC0_MEM; | |
688 | u32 val = 0x14; | |
689 | ||
690 | if ((!(params->feature_config_flags & | |
691 | FEATURE_CONFIG_PFC_ENABLED)) && | |
692 | (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)) | |
693 | /* Enable BigMAC to react on received Pause packets */ | |
694 | val |= (1<<5); | |
695 | wb_data[0] = val; | |
696 | wb_data[1] = 0; | |
697 | REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2); | |
698 | udelay(30); | |
699 | ||
700 | /* Tx control */ | |
701 | val = 0xc0; | |
702 | if (!(params->feature_config_flags & | |
703 | FEATURE_CONFIG_PFC_ENABLED) && | |
704 | (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)) | |
705 | val |= 0x800000; | |
706 | wb_data[0] = val; | |
707 | wb_data[1] = 0; | |
708 | REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2); | |
709 | ||
710 | if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) { | |
711 | DP(NETIF_MSG_LINK, "PFC is enabled\n"); | |
712 | /* Enable PFC RX & TX & STATS and set 8 COS */ | |
713 | wb_data[0] = 0x0; | |
714 | wb_data[0] |= (1<<0); /* RX */ | |
715 | wb_data[0] |= (1<<1); /* TX */ | |
716 | wb_data[0] |= (1<<2); /* Force initial Xon */ | |
717 | wb_data[0] |= (1<<3); /* 8 cos */ | |
718 | wb_data[0] |= (1<<5); /* STATS */ | |
719 | wb_data[1] = 0; | |
720 | REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, | |
721 | wb_data, 2); | |
722 | /* Clear the force Xon */ | |
723 | wb_data[0] &= ~(1<<2); | |
724 | } else { | |
725 | DP(NETIF_MSG_LINK, "PFC is disabled\n"); | |
726 | /* disable PFC RX & TX & STATS and set 8 COS */ | |
727 | wb_data[0] = 0x8; | |
728 | wb_data[1] = 0; | |
729 | } | |
730 | ||
731 | REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2); | |
732 | ||
733 | /* | |
734 | * Set Time (based unit is 512 bit time) between automatic | |
735 | * re-sending of PP packets amd enable automatic re-send of | |
736 | * Per-Priroity Packet as long as pp_gen is asserted and | |
737 | * pp_disable is low. | |
738 | */ | |
739 | val = 0x8000; | |
740 | if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) | |
741 | val |= (1<<16); /* enable automatic re-send */ | |
742 | ||
743 | wb_data[0] = val; | |
744 | wb_data[1] = 0; | |
745 | REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL, | |
746 | wb_data, 2); | |
747 | ||
748 | /* mac control */ | |
749 | val = 0x3; /* Enable RX and TX */ | |
750 | if (is_lb) { | |
751 | val |= 0x4; /* Local loopback */ | |
752 | DP(NETIF_MSG_LINK, "enable bmac loopback\n"); | |
753 | } | |
754 | /* When PFC enabled, Pass pause frames towards the NIG. */ | |
755 | if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) | |
756 | val |= ((1<<6)|(1<<5)); | |
757 | ||
758 | wb_data[0] = val; | |
759 | wb_data[1] = 0; | |
760 | REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2); | |
761 | } | |
762 | ||
763 | static void bnx2x_update_pfc_brb(struct link_params *params, | |
764 | struct link_vars *vars, | |
765 | struct bnx2x_nig_brb_pfc_port_params *pfc_params) | |
766 | { | |
767 | struct bnx2x *bp = params->bp; | |
768 | int set_pfc = params->feature_config_flags & | |
769 | FEATURE_CONFIG_PFC_ENABLED; | |
770 | ||
771 | /* default - pause configuration */ | |
772 | u32 pause_xoff_th = PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE; | |
773 | u32 pause_xon_th = PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE; | |
774 | u32 full_xoff_th = PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE; | |
775 | u32 full_xon_th = PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE; | |
776 | ||
777 | if (set_pfc && pfc_params) | |
778 | /* First COS */ | |
779 | if (!pfc_params->cos0_pauseable) { | |
780 | pause_xoff_th = | |
781 | PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE; | |
782 | pause_xon_th = | |
783 | PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE; | |
784 | full_xoff_th = | |
785 | PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE; | |
786 | full_xon_th = | |
787 | PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE; | |
788 | } | |
789 | /* | |
790 | * The number of free blocks below which the pause signal to class 0 | |
791 | * of MAC #n is asserted. n=0,1 | |
792 | */ | |
793 | REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 , pause_xoff_th); | |
794 | /* | |
795 | * The number of free blocks above which the pause signal to class 0 | |
796 | * of MAC #n is de-asserted. n=0,1 | |
797 | */ | |
798 | REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , pause_xon_th); | |
799 | /* | |
800 | * The number of free blocks below which the full signal to class 0 | |
801 | * of MAC #n is asserted. n=0,1 | |
802 | */ | |
803 | REG_WR(bp, BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , full_xoff_th); | |
804 | /* | |
805 | * The number of free blocks above which the full signal to class 0 | |
806 | * of MAC #n is de-asserted. n=0,1 | |
807 | */ | |
808 | REG_WR(bp, BRB1_REG_FULL_0_XON_THRESHOLD_0 , full_xon_th); | |
809 | ||
810 | if (set_pfc && pfc_params) { | |
811 | /* Second COS */ | |
812 | if (pfc_params->cos1_pauseable) { | |
813 | pause_xoff_th = | |
814 | PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE; | |
815 | pause_xon_th = | |
816 | PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE; | |
817 | full_xoff_th = | |
818 | PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE; | |
819 | full_xon_th = | |
820 | PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE; | |
821 | } else { | |
822 | pause_xoff_th = | |
823 | PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE; | |
824 | pause_xon_th = | |
825 | PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE; | |
826 | full_xoff_th = | |
827 | PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE; | |
828 | full_xon_th = | |
829 | PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE; | |
830 | } | |
831 | /* | |
832 | * The number of free blocks below which the pause signal to | |
833 | * class 1 of MAC #n is asserted. n=0,1 | |
834 | */ | |
835 | REG_WR(bp, BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0, pause_xoff_th); | |
836 | /* | |
837 | * The number of free blocks above which the pause signal to | |
838 | * class 1 of MAC #n is de-asserted. n=0,1 | |
839 | */ | |
840 | REG_WR(bp, BRB1_REG_PAUSE_1_XON_THRESHOLD_0, pause_xon_th); | |
841 | /* | |
842 | * The number of free blocks below which the full signal to | |
843 | * class 1 of MAC #n is asserted. n=0,1 | |
844 | */ | |
845 | REG_WR(bp, BRB1_REG_FULL_1_XOFF_THRESHOLD_0, full_xoff_th); | |
846 | /* | |
847 | * The number of free blocks above which the full signal to | |
848 | * class 1 of MAC #n is de-asserted. n=0,1 | |
849 | */ | |
850 | REG_WR(bp, BRB1_REG_FULL_1_XON_THRESHOLD_0, full_xon_th); | |
851 | } | |
852 | } | |
853 | ||
854 | static void bnx2x_update_pfc_nig(struct link_params *params, | |
855 | struct link_vars *vars, | |
856 | struct bnx2x_nig_brb_pfc_port_params *nig_params) | |
857 | { | |
858 | u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0; | |
859 | u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0; | |
860 | u32 pkt_priority_to_cos = 0; | |
861 | u32 val; | |
862 | struct bnx2x *bp = params->bp; | |
863 | int port = params->port; | |
864 | int set_pfc = params->feature_config_flags & | |
865 | FEATURE_CONFIG_PFC_ENABLED; | |
866 | DP(NETIF_MSG_LINK, "updating pfc nig parameters\n"); | |
867 | ||
868 | /* | |
869 | * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set | |
870 | * MAC control frames (that are not pause packets) | |
871 | * will be forwarded to the XCM. | |
872 | */ | |
873 | xcm_mask = REG_RD(bp, | |
874 | port ? NIG_REG_LLH1_XCM_MASK : | |
875 | NIG_REG_LLH0_XCM_MASK); | |
876 | /* | |
877 | * nig params will override non PFC params, since it's possible to | |
878 | * do transition from PFC to SAFC | |
879 | */ | |
880 | if (set_pfc) { | |
881 | pause_enable = 0; | |
882 | llfc_out_en = 0; | |
883 | llfc_enable = 0; | |
884 | ppp_enable = 1; | |
885 | xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN : | |
886 | NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN); | |
887 | xcm0_out_en = 0; | |
888 | p0_hwpfc_enable = 1; | |
889 | } else { | |
890 | if (nig_params) { | |
891 | llfc_out_en = nig_params->llfc_out_en; | |
892 | llfc_enable = nig_params->llfc_enable; | |
893 | pause_enable = nig_params->pause_enable; | |
894 | } else /*defaul non PFC mode - PAUSE */ | |
895 | pause_enable = 1; | |
896 | ||
897 | xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN : | |
898 | NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN); | |
899 | xcm0_out_en = 1; | |
900 | } | |
901 | ||
902 | REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 : | |
903 | NIG_REG_LLFC_OUT_EN_0, llfc_out_en); | |
904 | REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 : | |
905 | NIG_REG_LLFC_ENABLE_0, llfc_enable); | |
906 | REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 : | |
907 | NIG_REG_PAUSE_ENABLE_0, pause_enable); | |
908 | ||
909 | REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 : | |
910 | NIG_REG_PPP_ENABLE_0, ppp_enable); | |
911 | ||
912 | REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK : | |
913 | NIG_REG_LLH0_XCM_MASK, xcm_mask); | |
914 | ||
915 | REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7); | |
916 | ||
917 | /* output enable for RX_XCM # IF */ | |
918 | REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en); | |
919 | ||
920 | /* HW PFC TX enable */ | |
921 | REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable); | |
922 | ||
923 | /* 0x2 = BMAC, 0x1= EMAC */ | |
924 | switch (vars->mac_type) { | |
925 | case MAC_TYPE_EMAC: | |
926 | val = 1; | |
927 | break; | |
928 | case MAC_TYPE_BMAC: | |
929 | val = 0; | |
930 | break; | |
931 | default: | |
932 | val = 0; | |
933 | break; | |
934 | } | |
935 | REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT, val); | |
936 | ||
937 | if (nig_params) { | |
938 | pkt_priority_to_cos = nig_params->pkt_priority_to_cos; | |
939 | ||
940 | REG_WR(bp, port ? NIG_REG_P1_RX_COS0_PRIORITY_MASK : | |
941 | NIG_REG_P0_RX_COS0_PRIORITY_MASK, | |
942 | nig_params->rx_cos0_priority_mask); | |
943 | ||
944 | REG_WR(bp, port ? NIG_REG_P1_RX_COS1_PRIORITY_MASK : | |
945 | NIG_REG_P0_RX_COS1_PRIORITY_MASK, | |
946 | nig_params->rx_cos1_priority_mask); | |
947 | ||
948 | REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 : | |
949 | NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0, | |
950 | nig_params->llfc_high_priority_classes); | |
951 | ||
952 | REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 : | |
953 | NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0, | |
954 | nig_params->llfc_low_priority_classes); | |
955 | } | |
956 | REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS : | |
957 | NIG_REG_P0_PKT_PRIORITY_TO_COS, | |
958 | pkt_priority_to_cos); | |
959 | } | |
960 | ||
961 | ||
962 | void bnx2x_update_pfc(struct link_params *params, | |
963 | struct link_vars *vars, | |
964 | struct bnx2x_nig_brb_pfc_port_params *pfc_params) | |
965 | { | |
966 | /* | |
967 | * The PFC and pause are orthogonal to one another, meaning when | |
968 | * PFC is enabled, the pause are disabled, and when PFC is | |
969 | * disabled, pause are set according to the pause result. | |
970 | */ | |
971 | u32 val; | |
972 | struct bnx2x *bp = params->bp; | |
973 | ||
974 | /* update NIG params */ | |
975 | bnx2x_update_pfc_nig(params, vars, pfc_params); | |
976 | ||
977 | /* update BRB params */ | |
978 | bnx2x_update_pfc_brb(params, vars, pfc_params); | |
979 | ||
980 | if (!vars->link_up) | |
981 | return; | |
982 | ||
983 | val = REG_RD(bp, MISC_REG_RESET_REG_2); | |
984 | if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) | |
985 | == 0) { | |
986 | DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n"); | |
987 | bnx2x_emac_enable(params, vars, 0); | |
988 | return; | |
989 | } | |
990 | ||
991 | DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n"); | |
992 | if (CHIP_IS_E2(bp)) | |
993 | bnx2x_update_pfc_bmac2(params, vars, 0); | |
994 | else | |
995 | bnx2x_update_pfc_bmac1(params, vars); | |
996 | ||
997 | val = 0; | |
998 | if ((params->feature_config_flags & | |
999 | FEATURE_CONFIG_PFC_ENABLED) || | |
1000 | (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)) | |
1001 | val = 1; | |
1002 | REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val); | |
1003 | } | |
1004 | ||
1005 | static u8 bnx2x_bmac1_enable(struct link_params *params, | |
1006 | struct link_vars *vars, | |
1007 | u8 is_lb) | |
1008 | { | |
1009 | struct bnx2x *bp = params->bp; | |
1010 | u8 port = params->port; | |
1011 | u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : | |
1012 | NIG_REG_INGRESS_BMAC0_MEM; | |
1013 | u32 wb_data[2]; | |
1014 | u32 val; | |
1015 | ||
1016 | DP(NETIF_MSG_LINK, "Enabling BigMAC1\n"); | |
1017 | ||
1018 | /* XGXS control */ | |
1019 | wb_data[0] = 0x3c; | |
1020 | wb_data[1] = 0; | |
1021 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL, | |
1022 | wb_data, 2); | |
1023 | ||
1024 | /* tx MAC SA */ | |
1025 | wb_data[0] = ((params->mac_addr[2] << 24) | | |
1026 | (params->mac_addr[3] << 16) | | |
1027 | (params->mac_addr[4] << 8) | | |
1028 | params->mac_addr[5]); | |
1029 | wb_data[1] = ((params->mac_addr[0] << 8) | | |
1030 | params->mac_addr[1]); | |
1031 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2); | |
1032 | ||
1033 | /* mac control */ | |
1034 | val = 0x3; | |
1035 | if (is_lb) { | |
1036 | val |= 0x4; | |
1037 | DP(NETIF_MSG_LINK, "enable bmac loopback\n"); | |
1038 | } | |
1039 | wb_data[0] = val; | |
1040 | wb_data[1] = 0; | |
1041 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2); | |
1042 | ||
1043 | /* set rx mtu */ | |
1044 | wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; | |
1045 | wb_data[1] = 0; | |
1046 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2); | |
1047 | ||
1048 | bnx2x_update_pfc_bmac1(params, vars); | |
1049 | ||
1050 | /* set tx mtu */ | |
1051 | wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; | |
1052 | wb_data[1] = 0; | |
1053 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2); | |
1054 | ||
1055 | /* set cnt max size */ | |
1056 | wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; | |
1057 | wb_data[1] = 0; | |
1058 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2); | |
1059 | ||
1060 | /* configure safc */ | |
1061 | wb_data[0] = 0x1000200; | |
1062 | wb_data[1] = 0; | |
1063 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS, | |
1064 | wb_data, 2); | |
1065 | ||
1066 | return 0; | |
1067 | } | |
1068 | ||
1069 | static u8 bnx2x_bmac2_enable(struct link_params *params, | |
1070 | struct link_vars *vars, | |
1071 | u8 is_lb) | |
1072 | { | |
1073 | struct bnx2x *bp = params->bp; | |
1074 | u8 port = params->port; | |
1075 | u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : | |
1076 | NIG_REG_INGRESS_BMAC0_MEM; | |
1077 | u32 wb_data[2]; | |
1078 | ||
1079 | DP(NETIF_MSG_LINK, "Enabling BigMAC2\n"); | |
1080 | ||
1081 | wb_data[0] = 0; | |
1082 | wb_data[1] = 0; | |
1083 | REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2); | |
1084 | udelay(30); | |
1085 | ||
1086 | /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */ | |
1087 | wb_data[0] = 0x3c; | |
1088 | wb_data[1] = 0; | |
1089 | REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL, | |
1090 | wb_data, 2); | |
1091 | ||
1092 | udelay(30); | |
1093 | ||
1094 | /* tx MAC SA */ | |
1095 | wb_data[0] = ((params->mac_addr[2] << 24) | | |
1096 | (params->mac_addr[3] << 16) | | |
1097 | (params->mac_addr[4] << 8) | | |
1098 | params->mac_addr[5]); | |
1099 | wb_data[1] = ((params->mac_addr[0] << 8) | | |
1100 | params->mac_addr[1]); | |
1101 | REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR, | |
1102 | wb_data, 2); | |
1103 | ||
1104 | udelay(30); | |
1105 | ||
1106 | /* Configure SAFC */ | |
1107 | wb_data[0] = 0x1000200; | |
1108 | wb_data[1] = 0; | |
1109 | REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS, | |
1110 | wb_data, 2); | |
1111 | udelay(30); | |
1112 | ||
1113 | /* set rx mtu */ | |
1114 | wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; | |
1115 | wb_data[1] = 0; | |
1116 | REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2); | |
1117 | udelay(30); | |
1118 | ||
1119 | /* set tx mtu */ | |
1120 | wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; | |
1121 | wb_data[1] = 0; | |
1122 | REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2); | |
1123 | udelay(30); | |
1124 | /* set cnt max size */ | |
1125 | wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2; | |
1126 | wb_data[1] = 0; | |
1127 | REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2); | |
1128 | udelay(30); | |
1129 | bnx2x_update_pfc_bmac2(params, vars, is_lb); | |
1130 | ||
1131 | return 0; | |
1132 | } | |
1133 | ||
1134 | static u8 bnx2x_bmac_enable(struct link_params *params, | |
1135 | struct link_vars *vars, | |
1136 | u8 is_lb) | |
1137 | { | |
1138 | u8 rc, port = params->port; | |
1139 | struct bnx2x *bp = params->bp; | |
1140 | u32 val; | |
1141 | /* reset and unreset the BigMac */ | |
1142 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, | |
1143 | (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); | |
1144 | msleep(1); | |
1145 | ||
1146 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, | |
1147 | (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); | |
1148 | ||
1149 | /* enable access for bmac registers */ | |
1150 | REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1); | |
1151 | ||
1152 | /* Enable BMAC according to BMAC type*/ | |
1153 | if (CHIP_IS_E2(bp)) | |
1154 | rc = bnx2x_bmac2_enable(params, vars, is_lb); | |
1155 | else | |
1156 | rc = bnx2x_bmac1_enable(params, vars, is_lb); | |
1157 | REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1); | |
1158 | REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0); | |
1159 | REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0); | |
1160 | val = 0; | |
1161 | if ((params->feature_config_flags & | |
1162 | FEATURE_CONFIG_PFC_ENABLED) || | |
1163 | (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)) | |
1164 | val = 1; | |
1165 | REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val); | |
1166 | REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0); | |
1167 | REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0); | |
1168 | REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0); | |
1169 | REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1); | |
1170 | REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1); | |
1171 | ||
1172 | vars->mac_type = MAC_TYPE_BMAC; | |
1173 | return rc; | |
1174 | } | |
1175 | ||
1176 | ||
1177 | static void bnx2x_update_mng(struct link_params *params, u32 link_status) | |
1178 | { | |
1179 | struct bnx2x *bp = params->bp; | |
1180 | ||
1181 | REG_WR(bp, params->shmem_base + | |
1182 | offsetof(struct shmem_region, | |
1183 | port_mb[params->port].link_status), link_status); | |
1184 | } | |
1185 | ||
1186 | static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port) | |
1187 | { | |
1188 | u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : | |
1189 | NIG_REG_INGRESS_BMAC0_MEM; | |
1190 | u32 wb_data[2]; | |
1191 | u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4); | |
1192 | ||
1193 | /* Only if the bmac is out of reset */ | |
1194 | if (REG_RD(bp, MISC_REG_RESET_REG_2) & | |
1195 | (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) && | |
1196 | nig_bmac_enable) { | |
1197 | ||
1198 | if (CHIP_IS_E2(bp)) { | |
1199 | /* Clear Rx Enable bit in BMAC_CONTROL register */ | |
1200 | REG_RD_DMAE(bp, bmac_addr + | |
1201 | BIGMAC2_REGISTER_BMAC_CONTROL, | |
1202 | wb_data, 2); | |
1203 | wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE; | |
1204 | REG_WR_DMAE(bp, bmac_addr + | |
1205 | BIGMAC2_REGISTER_BMAC_CONTROL, | |
1206 | wb_data, 2); | |
1207 | } else { | |
1208 | /* Clear Rx Enable bit in BMAC_CONTROL register */ | |
1209 | REG_RD_DMAE(bp, bmac_addr + | |
1210 | BIGMAC_REGISTER_BMAC_CONTROL, | |
1211 | wb_data, 2); | |
1212 | wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE; | |
1213 | REG_WR_DMAE(bp, bmac_addr + | |
1214 | BIGMAC_REGISTER_BMAC_CONTROL, | |
1215 | wb_data, 2); | |
1216 | } | |
1217 | msleep(1); | |
1218 | } | |
1219 | } | |
1220 | ||
1221 | static u8 bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl, | |
1222 | u32 line_speed) | |
1223 | { | |
1224 | struct bnx2x *bp = params->bp; | |
1225 | u8 port = params->port; | |
1226 | u32 init_crd, crd; | |
1227 | u32 count = 1000; | |
1228 | ||
1229 | /* disable port */ | |
1230 | REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1); | |
1231 | ||
1232 | /* wait for init credit */ | |
1233 | init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4); | |
1234 | crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); | |
1235 | DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd); | |
1236 | ||
1237 | while ((init_crd != crd) && count) { | |
1238 | msleep(5); | |
1239 | ||
1240 | crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); | |
1241 | count--; | |
1242 | } | |
1243 | crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); | |
1244 | if (init_crd != crd) { | |
1245 | DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n", | |
1246 | init_crd, crd); | |
1247 | return -EINVAL; | |
1248 | } | |
1249 | ||
1250 | if (flow_ctrl & BNX2X_FLOW_CTRL_RX || | |
1251 | line_speed == SPEED_10 || | |
1252 | line_speed == SPEED_100 || | |
1253 | line_speed == SPEED_1000 || | |
1254 | line_speed == SPEED_2500) { | |
1255 | REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1); | |
1256 | /* update threshold */ | |
1257 | REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0); | |
1258 | /* update init credit */ | |
1259 | init_crd = 778; /* (800-18-4) */ | |
1260 | ||
1261 | } else { | |
1262 | u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE + | |
1263 | ETH_OVREHEAD)/16; | |
1264 | REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0); | |
1265 | /* update threshold */ | |
1266 | REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh); | |
1267 | /* update init credit */ | |
1268 | switch (line_speed) { | |
1269 | case SPEED_10000: | |
1270 | init_crd = thresh + 553 - 22; | |
1271 | break; | |
1272 | ||
1273 | case SPEED_12000: | |
1274 | init_crd = thresh + 664 - 22; | |
1275 | break; | |
1276 | ||
1277 | case SPEED_13000: | |
1278 | init_crd = thresh + 742 - 22; | |
1279 | break; | |
1280 | ||
1281 | case SPEED_16000: | |
1282 | init_crd = thresh + 778 - 22; | |
1283 | break; | |
1284 | default: | |
1285 | DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n", | |
1286 | line_speed); | |
1287 | return -EINVAL; | |
1288 | } | |
1289 | } | |
1290 | REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd); | |
1291 | DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n", | |
1292 | line_speed, init_crd); | |
1293 | ||
1294 | /* probe the credit changes */ | |
1295 | REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1); | |
1296 | msleep(5); | |
1297 | REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0); | |
1298 | ||
1299 | /* enable port */ | |
1300 | REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0); | |
1301 | return 0; | |
1302 | } | |
1303 | ||
1304 | /** | |
1305 | * bnx2x_get_emac_base - retrive emac base address | |
1306 | * | |
1307 | * @bp: driver handle | |
1308 | * @mdc_mdio_access: access type | |
1309 | * @port: port id | |
1310 | * | |
1311 | * This function selects the MDC/MDIO access (through emac0 or | |
1312 | * emac1) depend on the mdc_mdio_access, port, port swapped. Each | |
1313 | * phy has a default access mode, which could also be overridden | |
1314 | * by nvram configuration. This parameter, whether this is the | |
1315 | * default phy configuration, or the nvram overrun | |
1316 | * configuration, is passed here as mdc_mdio_access and selects | |
1317 | * the emac_base for the CL45 read/writes operations | |
1318 | */ | |
1319 | static u32 bnx2x_get_emac_base(struct bnx2x *bp, | |
1320 | u32 mdc_mdio_access, u8 port) | |
1321 | { | |
1322 | u32 emac_base = 0; | |
1323 | switch (mdc_mdio_access) { | |
1324 | case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE: | |
1325 | break; | |
1326 | case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0: | |
1327 | if (REG_RD(bp, NIG_REG_PORT_SWAP)) | |
1328 | emac_base = GRCBASE_EMAC1; | |
1329 | else | |
1330 | emac_base = GRCBASE_EMAC0; | |
1331 | break; | |
1332 | case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1: | |
1333 | if (REG_RD(bp, NIG_REG_PORT_SWAP)) | |
1334 | emac_base = GRCBASE_EMAC0; | |
1335 | else | |
1336 | emac_base = GRCBASE_EMAC1; | |
1337 | break; | |
1338 | case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH: | |
1339 | emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0; | |
1340 | break; | |
1341 | case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED: | |
1342 | emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1; | |
1343 | break; | |
1344 | default: | |
1345 | break; | |
1346 | } | |
1347 | return emac_base; | |
1348 | ||
1349 | } | |
1350 | ||
1351 | /******************************************************************/ | |
1352 | /* CL45 access functions */ | |
1353 | /******************************************************************/ | |
1354 | static u8 bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy, | |
1355 | u8 devad, u16 reg, u16 val) | |
1356 | { | |
1357 | u32 tmp, saved_mode; | |
1358 | u8 i, rc = 0; | |
1359 | /* | |
1360 | * Set clause 45 mode, slow down the MDIO clock to 2.5MHz | |
1361 | * (a value of 49==0x31) and make sure that the AUTO poll is off | |
1362 | */ | |
1363 | ||
1364 | saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); | |
1365 | tmp = saved_mode & ~(EMAC_MDIO_MODE_AUTO_POLL | | |
1366 | EMAC_MDIO_MODE_CLOCK_CNT); | |
1367 | tmp |= (EMAC_MDIO_MODE_CLAUSE_45 | | |
1368 | (49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT)); | |
1369 | REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, tmp); | |
1370 | REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); | |
1371 | udelay(40); | |
1372 | ||
1373 | /* address */ | |
1374 | ||
1375 | tmp = ((phy->addr << 21) | (devad << 16) | reg | | |
1376 | EMAC_MDIO_COMM_COMMAND_ADDRESS | | |
1377 | EMAC_MDIO_COMM_START_BUSY); | |
1378 | REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); | |
1379 | ||
1380 | for (i = 0; i < 50; i++) { | |
1381 | udelay(10); | |
1382 | ||
1383 | tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); | |
1384 | if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { | |
1385 | udelay(5); | |
1386 | break; | |
1387 | } | |
1388 | } | |
1389 | if (tmp & EMAC_MDIO_COMM_START_BUSY) { | |
1390 | DP(NETIF_MSG_LINK, "write phy register failed\n"); | |
1391 | netdev_err(bp->dev, "MDC/MDIO access timeout\n"); | |
1392 | rc = -EFAULT; | |
1393 | } else { | |
1394 | /* data */ | |
1395 | tmp = ((phy->addr << 21) | (devad << 16) | val | | |
1396 | EMAC_MDIO_COMM_COMMAND_WRITE_45 | | |
1397 | EMAC_MDIO_COMM_START_BUSY); | |
1398 | REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); | |
1399 | ||
1400 | for (i = 0; i < 50; i++) { | |
1401 | udelay(10); | |
1402 | ||
1403 | tmp = REG_RD(bp, phy->mdio_ctrl + | |
1404 | EMAC_REG_EMAC_MDIO_COMM); | |
1405 | if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { | |
1406 | udelay(5); | |
1407 | break; | |
1408 | } | |
1409 | } | |
1410 | if (tmp & EMAC_MDIO_COMM_START_BUSY) { | |
1411 | DP(NETIF_MSG_LINK, "write phy register failed\n"); | |
1412 | netdev_err(bp->dev, "MDC/MDIO access timeout\n"); | |
1413 | rc = -EFAULT; | |
1414 | } | |
1415 | } | |
1416 | ||
1417 | /* Restore the saved mode */ | |
1418 | REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode); | |
1419 | ||
1420 | return rc; | |
1421 | } | |
1422 | ||
1423 | static u8 bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy, | |
1424 | u8 devad, u16 reg, u16 *ret_val) | |
1425 | { | |
1426 | u32 val, saved_mode; | |
1427 | u16 i; | |
1428 | u8 rc = 0; | |
1429 | /* | |
1430 | * Set clause 45 mode, slow down the MDIO clock to 2.5MHz | |
1431 | * (a value of 49==0x31) and make sure that the AUTO poll is off | |
1432 | */ | |
1433 | ||
1434 | saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); | |
1435 | val = saved_mode & ~((EMAC_MDIO_MODE_AUTO_POLL | | |
1436 | EMAC_MDIO_MODE_CLOCK_CNT)); | |
1437 | val |= (EMAC_MDIO_MODE_CLAUSE_45 | | |
1438 | (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT)); | |
1439 | REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val); | |
1440 | REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); | |
1441 | udelay(40); | |
1442 | ||
1443 | /* address */ | |
1444 | val = ((phy->addr << 21) | (devad << 16) | reg | | |
1445 | EMAC_MDIO_COMM_COMMAND_ADDRESS | | |
1446 | EMAC_MDIO_COMM_START_BUSY); | |
1447 | REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); | |
1448 | ||
1449 | for (i = 0; i < 50; i++) { | |
1450 | udelay(10); | |
1451 | ||
1452 | val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); | |
1453 | if (!(val & EMAC_MDIO_COMM_START_BUSY)) { | |
1454 | udelay(5); | |
1455 | break; | |
1456 | } | |
1457 | } | |
1458 | if (val & EMAC_MDIO_COMM_START_BUSY) { | |
1459 | DP(NETIF_MSG_LINK, "read phy register failed\n"); | |
1460 | netdev_err(bp->dev, "MDC/MDIO access timeout\n"); | |
1461 | *ret_val = 0; | |
1462 | rc = -EFAULT; | |
1463 | ||
1464 | } else { | |
1465 | /* data */ | |
1466 | val = ((phy->addr << 21) | (devad << 16) | | |
1467 | EMAC_MDIO_COMM_COMMAND_READ_45 | | |
1468 | EMAC_MDIO_COMM_START_BUSY); | |
1469 | REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); | |
1470 | ||
1471 | for (i = 0; i < 50; i++) { | |
1472 | udelay(10); | |
1473 | ||
1474 | val = REG_RD(bp, phy->mdio_ctrl + | |
1475 | EMAC_REG_EMAC_MDIO_COMM); | |
1476 | if (!(val & EMAC_MDIO_COMM_START_BUSY)) { | |
1477 | *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA); | |
1478 | break; | |
1479 | } | |
1480 | } | |
1481 | if (val & EMAC_MDIO_COMM_START_BUSY) { | |
1482 | DP(NETIF_MSG_LINK, "read phy register failed\n"); | |
1483 | netdev_err(bp->dev, "MDC/MDIO access timeout\n"); | |
1484 | *ret_val = 0; | |
1485 | rc = -EFAULT; | |
1486 | } | |
1487 | } | |
1488 | ||
1489 | /* Restore the saved mode */ | |
1490 | REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode); | |
1491 | ||
1492 | return rc; | |
1493 | } | |
1494 | ||
1495 | u8 bnx2x_phy_read(struct link_params *params, u8 phy_addr, | |
1496 | u8 devad, u16 reg, u16 *ret_val) | |
1497 | { | |
1498 | u8 phy_index; | |
1499 | /* | |
1500 | * Probe for the phy according to the given phy_addr, and execute | |
1501 | * the read request on it | |
1502 | */ | |
1503 | for (phy_index = 0; phy_index < params->num_phys; phy_index++) { | |
1504 | if (params->phy[phy_index].addr == phy_addr) { | |
1505 | return bnx2x_cl45_read(params->bp, | |
1506 | ¶ms->phy[phy_index], devad, | |
1507 | reg, ret_val); | |
1508 | } | |
1509 | } | |
1510 | return -EINVAL; | |
1511 | } | |
1512 | ||
1513 | u8 bnx2x_phy_write(struct link_params *params, u8 phy_addr, | |
1514 | u8 devad, u16 reg, u16 val) | |
1515 | { | |
1516 | u8 phy_index; | |
1517 | /* | |
1518 | * Probe for the phy according to the given phy_addr, and execute | |
1519 | * the write request on it | |
1520 | */ | |
1521 | for (phy_index = 0; phy_index < params->num_phys; phy_index++) { | |
1522 | if (params->phy[phy_index].addr == phy_addr) { | |
1523 | return bnx2x_cl45_write(params->bp, | |
1524 | ¶ms->phy[phy_index], devad, | |
1525 | reg, val); | |
1526 | } | |
1527 | } | |
1528 | return -EINVAL; | |
1529 | } | |
1530 | ||
1531 | static void bnx2x_set_aer_mmd_xgxs(struct link_params *params, | |
1532 | struct bnx2x_phy *phy) | |
1533 | { | |
1534 | u32 ser_lane; | |
1535 | u16 offset, aer_val; | |
1536 | struct bnx2x *bp = params->bp; | |
1537 | ser_lane = ((params->lane_config & | |
1538 | PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> | |
1539 | PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); | |
1540 | ||
1541 | offset = phy->addr + ser_lane; | |
1542 | if (CHIP_IS_E2(bp)) | |
1543 | aer_val = 0x3800 + offset - 1; | |
1544 | else | |
1545 | aer_val = 0x3800 + offset; | |
1546 | CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, | |
1547 | MDIO_AER_BLOCK_AER_REG, aer_val); | |
1548 | } | |
1549 | static void bnx2x_set_aer_mmd_serdes(struct bnx2x *bp, | |
1550 | struct bnx2x_phy *phy) | |
1551 | { | |
1552 | CL22_WR_OVER_CL45(bp, phy, | |
1553 | MDIO_REG_BANK_AER_BLOCK, | |
1554 | MDIO_AER_BLOCK_AER_REG, 0x3800); | |
1555 | } | |
1556 | ||
1557 | /******************************************************************/ | |
1558 | /* Internal phy section */ | |
1559 | /******************************************************************/ | |
1560 | ||
1561 | static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port) | |
1562 | { | |
1563 | u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0; | |
1564 | ||
1565 | /* Set Clause 22 */ | |
1566 | REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1); | |
1567 | REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000); | |
1568 | udelay(500); | |
1569 | REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f); | |
1570 | udelay(500); | |
1571 | /* Set Clause 45 */ | |
1572 | REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0); | |
1573 | } | |
1574 | ||
1575 | static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port) | |
1576 | { | |
1577 | u32 val; | |
1578 | ||
1579 | DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n"); | |
1580 | ||
1581 | val = SERDES_RESET_BITS << (port*16); | |
1582 | ||
1583 | /* reset and unreset the SerDes/XGXS */ | |
1584 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val); | |
1585 | udelay(500); | |
1586 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val); | |
1587 | ||
1588 | bnx2x_set_serdes_access(bp, port); | |
1589 | ||
1590 | REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10, | |
1591 | DEFAULT_PHY_DEV_ADDR); | |
1592 | } | |
1593 | ||
1594 | static void bnx2x_xgxs_deassert(struct link_params *params) | |
1595 | { | |
1596 | struct bnx2x *bp = params->bp; | |
1597 | u8 port; | |
1598 | u32 val; | |
1599 | DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n"); | |
1600 | port = params->port; | |
1601 | ||
1602 | val = XGXS_RESET_BITS << (port*16); | |
1603 | ||
1604 | /* reset and unreset the SerDes/XGXS */ | |
1605 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val); | |
1606 | udelay(500); | |
1607 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val); | |
1608 | ||
1609 | REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0); | |
1610 | REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, | |
1611 | params->phy[INT_PHY].def_md_devad); | |
1612 | } | |
1613 | ||
1614 | ||
1615 | void bnx2x_link_status_update(struct link_params *params, | |
1616 | struct link_vars *vars) | |
1617 | { | |
1618 | struct bnx2x *bp = params->bp; | |
1619 | u8 link_10g; | |
1620 | u8 port = params->port; | |
1621 | ||
1622 | vars->link_status = REG_RD(bp, params->shmem_base + | |
1623 | offsetof(struct shmem_region, | |
1624 | port_mb[port].link_status)); | |
1625 | ||
1626 | vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP); | |
1627 | ||
1628 | if (vars->link_up) { | |
1629 | DP(NETIF_MSG_LINK, "phy link up\n"); | |
1630 | ||
1631 | vars->phy_link_up = 1; | |
1632 | vars->duplex = DUPLEX_FULL; | |
1633 | switch (vars->link_status & | |
1634 | LINK_STATUS_SPEED_AND_DUPLEX_MASK) { | |
1635 | case LINK_10THD: | |
1636 | vars->duplex = DUPLEX_HALF; | |
1637 | /* fall thru */ | |
1638 | case LINK_10TFD: | |
1639 | vars->line_speed = SPEED_10; | |
1640 | break; | |
1641 | ||
1642 | case LINK_100TXHD: | |
1643 | vars->duplex = DUPLEX_HALF; | |
1644 | /* fall thru */ | |
1645 | case LINK_100T4: | |
1646 | case LINK_100TXFD: | |
1647 | vars->line_speed = SPEED_100; | |
1648 | break; | |
1649 | ||
1650 | case LINK_1000THD: | |
1651 | vars->duplex = DUPLEX_HALF; | |
1652 | /* fall thru */ | |
1653 | case LINK_1000TFD: | |
1654 | vars->line_speed = SPEED_1000; | |
1655 | break; | |
1656 | ||
1657 | case LINK_2500THD: | |
1658 | vars->duplex = DUPLEX_HALF; | |
1659 | /* fall thru */ | |
1660 | case LINK_2500TFD: | |
1661 | vars->line_speed = SPEED_2500; | |
1662 | break; | |
1663 | ||
1664 | case LINK_10GTFD: | |
1665 | vars->line_speed = SPEED_10000; | |
1666 | break; | |
1667 | ||
1668 | case LINK_12GTFD: | |
1669 | vars->line_speed = SPEED_12000; | |
1670 | break; | |
1671 | ||
1672 | case LINK_12_5GTFD: | |
1673 | vars->line_speed = SPEED_12500; | |
1674 | break; | |
1675 | ||
1676 | case LINK_13GTFD: | |
1677 | vars->line_speed = SPEED_13000; | |
1678 | break; | |
1679 | ||
1680 | case LINK_15GTFD: | |
1681 | vars->line_speed = SPEED_15000; | |
1682 | break; | |
1683 | ||
1684 | case LINK_16GTFD: | |
1685 | vars->line_speed = SPEED_16000; | |
1686 | break; | |
1687 | ||
1688 | default: | |
1689 | break; | |
1690 | } | |
1691 | vars->flow_ctrl = 0; | |
1692 | if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED) | |
1693 | vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX; | |
1694 | ||
1695 | if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED) | |
1696 | vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX; | |
1697 | ||
1698 | if (!vars->flow_ctrl) | |
1699 | vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; | |
1700 | ||
1701 | if (vars->line_speed && | |
1702 | ((vars->line_speed == SPEED_10) || | |
1703 | (vars->line_speed == SPEED_100))) { | |
1704 | vars->phy_flags |= PHY_SGMII_FLAG; | |
1705 | } else { | |
1706 | vars->phy_flags &= ~PHY_SGMII_FLAG; | |
1707 | } | |
1708 | ||
1709 | /* anything 10 and over uses the bmac */ | |
1710 | link_10g = ((vars->line_speed == SPEED_10000) || | |
1711 | (vars->line_speed == SPEED_12000) || | |
1712 | (vars->line_speed == SPEED_12500) || | |
1713 | (vars->line_speed == SPEED_13000) || | |
1714 | (vars->line_speed == SPEED_15000) || | |
1715 | (vars->line_speed == SPEED_16000)); | |
1716 | if (link_10g) | |
1717 | vars->mac_type = MAC_TYPE_BMAC; | |
1718 | else | |
1719 | vars->mac_type = MAC_TYPE_EMAC; | |
1720 | ||
1721 | } else { /* link down */ | |
1722 | DP(NETIF_MSG_LINK, "phy link down\n"); | |
1723 | ||
1724 | vars->phy_link_up = 0; | |
1725 | ||
1726 | vars->line_speed = 0; | |
1727 | vars->duplex = DUPLEX_FULL; | |
1728 | vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; | |
1729 | ||
1730 | /* indicate no mac active */ | |
1731 | vars->mac_type = MAC_TYPE_NONE; | |
1732 | } | |
1733 | ||
1734 | DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x\n", | |
1735 | vars->link_status, vars->phy_link_up); | |
1736 | DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n", | |
1737 | vars->line_speed, vars->duplex, vars->flow_ctrl); | |
1738 | } | |
1739 | ||
1740 | ||
1741 | static void bnx2x_set_master_ln(struct link_params *params, | |
1742 | struct bnx2x_phy *phy) | |
1743 | { | |
1744 | struct bnx2x *bp = params->bp; | |
1745 | u16 new_master_ln, ser_lane; | |
1746 | ser_lane = ((params->lane_config & | |
1747 | PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> | |
1748 | PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); | |
1749 | ||
1750 | /* set the master_ln for AN */ | |
1751 | CL22_RD_OVER_CL45(bp, phy, | |
1752 | MDIO_REG_BANK_XGXS_BLOCK2, | |
1753 | MDIO_XGXS_BLOCK2_TEST_MODE_LANE, | |
1754 | &new_master_ln); | |
1755 | ||
1756 | CL22_WR_OVER_CL45(bp, phy, | |
1757 | MDIO_REG_BANK_XGXS_BLOCK2 , | |
1758 | MDIO_XGXS_BLOCK2_TEST_MODE_LANE, | |
1759 | (new_master_ln | ser_lane)); | |
1760 | } | |
1761 | ||
1762 | static u8 bnx2x_reset_unicore(struct link_params *params, | |
1763 | struct bnx2x_phy *phy, | |
1764 | u8 set_serdes) | |
1765 | { | |
1766 | struct bnx2x *bp = params->bp; | |
1767 | u16 mii_control; | |
1768 | u16 i; | |
1769 | CL22_RD_OVER_CL45(bp, phy, | |
1770 | MDIO_REG_BANK_COMBO_IEEE0, | |
1771 | MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control); | |
1772 | ||
1773 | /* reset the unicore */ | |
1774 | CL22_WR_OVER_CL45(bp, phy, | |
1775 | MDIO_REG_BANK_COMBO_IEEE0, | |
1776 | MDIO_COMBO_IEEE0_MII_CONTROL, | |
1777 | (mii_control | | |
1778 | MDIO_COMBO_IEEO_MII_CONTROL_RESET)); | |
1779 | if (set_serdes) | |
1780 | bnx2x_set_serdes_access(bp, params->port); | |
1781 | ||
1782 | /* wait for the reset to self clear */ | |
1783 | for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) { | |
1784 | udelay(5); | |
1785 | ||
1786 | /* the reset erased the previous bank value */ | |
1787 | CL22_RD_OVER_CL45(bp, phy, | |
1788 | MDIO_REG_BANK_COMBO_IEEE0, | |
1789 | MDIO_COMBO_IEEE0_MII_CONTROL, | |
1790 | &mii_control); | |
1791 | ||
1792 | if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) { | |
1793 | udelay(5); | |
1794 | return 0; | |
1795 | } | |
1796 | } | |
1797 | ||
1798 | netdev_err(bp->dev, "Warning: PHY was not initialized," | |
1799 | " Port %d\n", | |
1800 | params->port); | |
1801 | DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n"); | |
1802 | return -EINVAL; | |
1803 | ||
1804 | } | |
1805 | ||
1806 | static void bnx2x_set_swap_lanes(struct link_params *params, | |
1807 | struct bnx2x_phy *phy) | |
1808 | { | |
1809 | struct bnx2x *bp = params->bp; | |
1810 | /* | |
1811 | * Each two bits represents a lane number: | |
1812 | * No swap is 0123 => 0x1b no need to enable the swap | |
1813 | */ | |
1814 | u16 ser_lane, rx_lane_swap, tx_lane_swap; | |
1815 | ||
1816 | ser_lane = ((params->lane_config & | |
1817 | PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> | |
1818 | PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); | |
1819 | rx_lane_swap = ((params->lane_config & | |
1820 | PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >> | |
1821 | PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT); | |
1822 | tx_lane_swap = ((params->lane_config & | |
1823 | PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >> | |
1824 | PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT); | |
1825 | ||
1826 | if (rx_lane_swap != 0x1b) { | |
1827 | CL22_WR_OVER_CL45(bp, phy, | |
1828 | MDIO_REG_BANK_XGXS_BLOCK2, | |
1829 | MDIO_XGXS_BLOCK2_RX_LN_SWAP, | |
1830 | (rx_lane_swap | | |
1831 | MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE | | |
1832 | MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE)); | |
1833 | } else { | |
1834 | CL22_WR_OVER_CL45(bp, phy, | |
1835 | MDIO_REG_BANK_XGXS_BLOCK2, | |
1836 | MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0); | |
1837 | } | |
1838 | ||
1839 | if (tx_lane_swap != 0x1b) { | |
1840 | CL22_WR_OVER_CL45(bp, phy, | |
1841 | MDIO_REG_BANK_XGXS_BLOCK2, | |
1842 | MDIO_XGXS_BLOCK2_TX_LN_SWAP, | |
1843 | (tx_lane_swap | | |
1844 | MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE)); | |
1845 | } else { | |
1846 | CL22_WR_OVER_CL45(bp, phy, | |
1847 | MDIO_REG_BANK_XGXS_BLOCK2, | |
1848 | MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0); | |
1849 | } | |
1850 | } | |
1851 | ||
1852 | static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy, | |
1853 | struct link_params *params) | |
1854 | { | |
1855 | struct bnx2x *bp = params->bp; | |
1856 | u16 control2; | |
1857 | CL22_RD_OVER_CL45(bp, phy, | |
1858 | MDIO_REG_BANK_SERDES_DIGITAL, | |
1859 | MDIO_SERDES_DIGITAL_A_1000X_CONTROL2, | |
1860 | &control2); | |
1861 | if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) | |
1862 | control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN; | |
1863 | else | |
1864 | control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN; | |
1865 | DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n", | |
1866 | phy->speed_cap_mask, control2); | |
1867 | CL22_WR_OVER_CL45(bp, phy, | |
1868 | MDIO_REG_BANK_SERDES_DIGITAL, | |
1869 | MDIO_SERDES_DIGITAL_A_1000X_CONTROL2, | |
1870 | control2); | |
1871 | ||
1872 | if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) && | |
1873 | (phy->speed_cap_mask & | |
1874 | PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) { | |
1875 | DP(NETIF_MSG_LINK, "XGXS\n"); | |
1876 | ||
1877 | CL22_WR_OVER_CL45(bp, phy, | |
1878 | MDIO_REG_BANK_10G_PARALLEL_DETECT, | |
1879 | MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK, | |
1880 | MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT); | |
1881 | ||
1882 | CL22_RD_OVER_CL45(bp, phy, | |
1883 | MDIO_REG_BANK_10G_PARALLEL_DETECT, | |
1884 | MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL, | |
1885 | &control2); | |
1886 | ||
1887 | ||
1888 | control2 |= | |
1889 | MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN; | |
1890 | ||
1891 | CL22_WR_OVER_CL45(bp, phy, | |
1892 | MDIO_REG_BANK_10G_PARALLEL_DETECT, | |
1893 | MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL, | |
1894 | control2); | |
1895 | ||
1896 | /* Disable parallel detection of HiG */ | |
1897 | CL22_WR_OVER_CL45(bp, phy, | |
1898 | MDIO_REG_BANK_XGXS_BLOCK2, | |
1899 | MDIO_XGXS_BLOCK2_UNICORE_MODE_10G, | |
1900 | MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS | | |
1901 | MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS); | |
1902 | } | |
1903 | } | |
1904 | ||
1905 | static void bnx2x_set_autoneg(struct bnx2x_phy *phy, | |
1906 | struct link_params *params, | |
1907 | struct link_vars *vars, | |
1908 | u8 enable_cl73) | |
1909 | { | |
1910 | struct bnx2x *bp = params->bp; | |
1911 | u16 reg_val; | |
1912 | ||
1913 | /* CL37 Autoneg */ | |
1914 | CL22_RD_OVER_CL45(bp, phy, | |
1915 | MDIO_REG_BANK_COMBO_IEEE0, | |
1916 | MDIO_COMBO_IEEE0_MII_CONTROL, ®_val); | |
1917 | ||
1918 | /* CL37 Autoneg Enabled */ | |
1919 | if (vars->line_speed == SPEED_AUTO_NEG) | |
1920 | reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN; | |
1921 | else /* CL37 Autoneg Disabled */ | |
1922 | reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | | |
1923 | MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN); | |
1924 | ||
1925 | CL22_WR_OVER_CL45(bp, phy, | |
1926 | MDIO_REG_BANK_COMBO_IEEE0, | |
1927 | MDIO_COMBO_IEEE0_MII_CONTROL, reg_val); | |
1928 | ||
1929 | /* Enable/Disable Autodetection */ | |
1930 | ||
1931 | CL22_RD_OVER_CL45(bp, phy, | |
1932 | MDIO_REG_BANK_SERDES_DIGITAL, | |
1933 | MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, ®_val); | |
1934 | reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN | | |
1935 | MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT); | |
1936 | reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE; | |
1937 | if (vars->line_speed == SPEED_AUTO_NEG) | |
1938 | reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET; | |
1939 | else | |
1940 | reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET; | |
1941 | ||
1942 | CL22_WR_OVER_CL45(bp, phy, | |
1943 | MDIO_REG_BANK_SERDES_DIGITAL, | |
1944 | MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val); | |
1945 | ||
1946 | /* Enable TetonII and BAM autoneg */ | |
1947 | CL22_RD_OVER_CL45(bp, phy, | |
1948 | MDIO_REG_BANK_BAM_NEXT_PAGE, | |
1949 | MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL, | |
1950 | ®_val); | |
1951 | if (vars->line_speed == SPEED_AUTO_NEG) { | |
1952 | /* Enable BAM aneg Mode and TetonII aneg Mode */ | |
1953 | reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE | | |
1954 | MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN); | |
1955 | } else { | |
1956 | /* TetonII and BAM Autoneg Disabled */ | |
1957 | reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE | | |
1958 | MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN); | |
1959 | } | |
1960 | CL22_WR_OVER_CL45(bp, phy, | |
1961 | MDIO_REG_BANK_BAM_NEXT_PAGE, | |
1962 | MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL, | |
1963 | reg_val); | |
1964 | ||
1965 | if (enable_cl73) { | |
1966 | /* Enable Cl73 FSM status bits */ | |
1967 | CL22_WR_OVER_CL45(bp, phy, | |
1968 | MDIO_REG_BANK_CL73_USERB0, | |
1969 | MDIO_CL73_USERB0_CL73_UCTRL, | |
1970 | 0xe); | |
1971 | ||
1972 | /* Enable BAM Station Manager*/ | |
1973 | CL22_WR_OVER_CL45(bp, phy, | |
1974 | MDIO_REG_BANK_CL73_USERB0, | |
1975 | MDIO_CL73_USERB0_CL73_BAM_CTRL1, | |
1976 | MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN | | |
1977 | MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN | | |
1978 | MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN); | |
1979 | ||
1980 | /* Advertise CL73 link speeds */ | |
1981 | CL22_RD_OVER_CL45(bp, phy, | |
1982 | MDIO_REG_BANK_CL73_IEEEB1, | |
1983 | MDIO_CL73_IEEEB1_AN_ADV2, | |
1984 | ®_val); | |
1985 | if (phy->speed_cap_mask & | |
1986 | PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) | |
1987 | reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4; | |
1988 | if (phy->speed_cap_mask & | |
1989 | PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) | |
1990 | reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX; | |
1991 | ||
1992 | CL22_WR_OVER_CL45(bp, phy, | |
1993 | MDIO_REG_BANK_CL73_IEEEB1, | |
1994 | MDIO_CL73_IEEEB1_AN_ADV2, | |
1995 | reg_val); | |
1996 | ||
1997 | /* CL73 Autoneg Enabled */ | |
1998 | reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN; | |
1999 | ||
2000 | } else /* CL73 Autoneg Disabled */ | |
2001 | reg_val = 0; | |
2002 | ||
2003 | CL22_WR_OVER_CL45(bp, phy, | |
2004 | MDIO_REG_BANK_CL73_IEEEB0, | |
2005 | MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val); | |
2006 | } | |
2007 | ||
2008 | /* program SerDes, forced speed */ | |
2009 | static void bnx2x_program_serdes(struct bnx2x_phy *phy, | |
2010 | struct link_params *params, | |
2011 | struct link_vars *vars) | |
2012 | { | |
2013 | struct bnx2x *bp = params->bp; | |
2014 | u16 reg_val; | |
2015 | ||
2016 | /* program duplex, disable autoneg and sgmii*/ | |
2017 | CL22_RD_OVER_CL45(bp, phy, | |
2018 | MDIO_REG_BANK_COMBO_IEEE0, | |
2019 | MDIO_COMBO_IEEE0_MII_CONTROL, ®_val); | |
2020 | reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX | | |
2021 | MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | | |
2022 | MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK); | |
2023 | if (phy->req_duplex == DUPLEX_FULL) | |
2024 | reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX; | |
2025 | CL22_WR_OVER_CL45(bp, phy, | |
2026 | MDIO_REG_BANK_COMBO_IEEE0, | |
2027 | MDIO_COMBO_IEEE0_MII_CONTROL, reg_val); | |
2028 | ||
2029 | /* | |
2030 | * program speed | |
2031 | * - needed only if the speed is greater than 1G (2.5G or 10G) | |
2032 | */ | |
2033 | CL22_RD_OVER_CL45(bp, phy, | |
2034 | MDIO_REG_BANK_SERDES_DIGITAL, | |
2035 | MDIO_SERDES_DIGITAL_MISC1, ®_val); | |
2036 | /* clearing the speed value before setting the right speed */ | |
2037 | DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val); | |
2038 | ||
2039 | reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK | | |
2040 | MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL); | |
2041 | ||
2042 | if (!((vars->line_speed == SPEED_1000) || | |
2043 | (vars->line_speed == SPEED_100) || | |
2044 | (vars->line_speed == SPEED_10))) { | |
2045 | ||
2046 | reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M | | |
2047 | MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL); | |
2048 | if (vars->line_speed == SPEED_10000) | |
2049 | reg_val |= | |
2050 | MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4; | |
2051 | if (vars->line_speed == SPEED_13000) | |
2052 | reg_val |= | |
2053 | MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G; | |
2054 | } | |
2055 | ||
2056 | CL22_WR_OVER_CL45(bp, phy, | |
2057 | MDIO_REG_BANK_SERDES_DIGITAL, | |
2058 | MDIO_SERDES_DIGITAL_MISC1, reg_val); | |
2059 | ||
2060 | } | |
2061 | ||
2062 | static void bnx2x_set_brcm_cl37_advertisment(struct bnx2x_phy *phy, | |
2063 | struct link_params *params) | |
2064 | { | |
2065 | struct bnx2x *bp = params->bp; | |
2066 | u16 val = 0; | |
2067 | ||
2068 | /* configure the 48 bits for BAM AN */ | |
2069 | ||
2070 | /* set extended capabilities */ | |
2071 | if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) | |
2072 | val |= MDIO_OVER_1G_UP1_2_5G; | |
2073 | if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) | |
2074 | val |= MDIO_OVER_1G_UP1_10G; | |
2075 | CL22_WR_OVER_CL45(bp, phy, | |
2076 | MDIO_REG_BANK_OVER_1G, | |
2077 | MDIO_OVER_1G_UP1, val); | |
2078 | ||
2079 | CL22_WR_OVER_CL45(bp, phy, | |
2080 | MDIO_REG_BANK_OVER_1G, | |
2081 | MDIO_OVER_1G_UP3, 0x400); | |
2082 | } | |
2083 | ||
2084 | static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy, | |
2085 | struct link_params *params, u16 *ieee_fc) | |
2086 | { | |
2087 | struct bnx2x *bp = params->bp; | |
2088 | *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX; | |
2089 | /* | |
2090 | * Resolve pause mode and advertisement. | |
2091 | * Please refer to Table 28B-3 of the 802.3ab-1999 spec | |
2092 | */ | |
2093 | ||
2094 | switch (phy->req_flow_ctrl) { | |
2095 | case BNX2X_FLOW_CTRL_AUTO: | |
2096 | if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH) | |
2097 | *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; | |
2098 | else | |
2099 | *ieee_fc |= | |
2100 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; | |
2101 | break; | |
2102 | case BNX2X_FLOW_CTRL_TX: | |
2103 | *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; | |
2104 | break; | |
2105 | ||
2106 | case BNX2X_FLOW_CTRL_RX: | |
2107 | case BNX2X_FLOW_CTRL_BOTH: | |
2108 | *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; | |
2109 | break; | |
2110 | ||
2111 | case BNX2X_FLOW_CTRL_NONE: | |
2112 | default: | |
2113 | *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE; | |
2114 | break; | |
2115 | } | |
2116 | DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc); | |
2117 | } | |
2118 | ||
2119 | static void bnx2x_set_ieee_aneg_advertisment(struct bnx2x_phy *phy, | |
2120 | struct link_params *params, | |
2121 | u16 ieee_fc) | |
2122 | { | |
2123 | struct bnx2x *bp = params->bp; | |
2124 | u16 val; | |
2125 | /* for AN, we are always publishing full duplex */ | |
2126 | ||
2127 | CL22_WR_OVER_CL45(bp, phy, | |
2128 | MDIO_REG_BANK_COMBO_IEEE0, | |
2129 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc); | |
2130 | CL22_RD_OVER_CL45(bp, phy, | |
2131 | MDIO_REG_BANK_CL73_IEEEB1, | |
2132 | MDIO_CL73_IEEEB1_AN_ADV1, &val); | |
2133 | val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH; | |
2134 | val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK); | |
2135 | CL22_WR_OVER_CL45(bp, phy, | |
2136 | MDIO_REG_BANK_CL73_IEEEB1, | |
2137 | MDIO_CL73_IEEEB1_AN_ADV1, val); | |
2138 | } | |
2139 | ||
2140 | static void bnx2x_restart_autoneg(struct bnx2x_phy *phy, | |
2141 | struct link_params *params, | |
2142 | u8 enable_cl73) | |
2143 | { | |
2144 | struct bnx2x *bp = params->bp; | |
2145 | u16 mii_control; | |
2146 | ||
2147 | DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n"); | |
2148 | /* Enable and restart BAM/CL37 aneg */ | |
2149 | ||
2150 | if (enable_cl73) { | |
2151 | CL22_RD_OVER_CL45(bp, phy, | |
2152 | MDIO_REG_BANK_CL73_IEEEB0, | |
2153 | MDIO_CL73_IEEEB0_CL73_AN_CONTROL, | |
2154 | &mii_control); | |
2155 | ||
2156 | CL22_WR_OVER_CL45(bp, phy, | |
2157 | MDIO_REG_BANK_CL73_IEEEB0, | |
2158 | MDIO_CL73_IEEEB0_CL73_AN_CONTROL, | |
2159 | (mii_control | | |
2160 | MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN | | |
2161 | MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN)); | |
2162 | } else { | |
2163 | ||
2164 | CL22_RD_OVER_CL45(bp, phy, | |
2165 | MDIO_REG_BANK_COMBO_IEEE0, | |
2166 | MDIO_COMBO_IEEE0_MII_CONTROL, | |
2167 | &mii_control); | |
2168 | DP(NETIF_MSG_LINK, | |
2169 | "bnx2x_restart_autoneg mii_control before = 0x%x\n", | |
2170 | mii_control); | |
2171 | CL22_WR_OVER_CL45(bp, phy, | |
2172 | MDIO_REG_BANK_COMBO_IEEE0, | |
2173 | MDIO_COMBO_IEEE0_MII_CONTROL, | |
2174 | (mii_control | | |
2175 | MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | | |
2176 | MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN)); | |
2177 | } | |
2178 | } | |
2179 | ||
2180 | static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy, | |
2181 | struct link_params *params, | |
2182 | struct link_vars *vars) | |
2183 | { | |
2184 | struct bnx2x *bp = params->bp; | |
2185 | u16 control1; | |
2186 | ||
2187 | /* in SGMII mode, the unicore is always slave */ | |
2188 | ||
2189 | CL22_RD_OVER_CL45(bp, phy, | |
2190 | MDIO_REG_BANK_SERDES_DIGITAL, | |
2191 | MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, | |
2192 | &control1); | |
2193 | control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT; | |
2194 | /* set sgmii mode (and not fiber) */ | |
2195 | control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE | | |
2196 | MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET | | |
2197 | MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE); | |
2198 | CL22_WR_OVER_CL45(bp, phy, | |
2199 | MDIO_REG_BANK_SERDES_DIGITAL, | |
2200 | MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, | |
2201 | control1); | |
2202 | ||
2203 | /* if forced speed */ | |
2204 | if (!(vars->line_speed == SPEED_AUTO_NEG)) { | |
2205 | /* set speed, disable autoneg */ | |
2206 | u16 mii_control; | |
2207 | ||
2208 | CL22_RD_OVER_CL45(bp, phy, | |
2209 | MDIO_REG_BANK_COMBO_IEEE0, | |
2210 | MDIO_COMBO_IEEE0_MII_CONTROL, | |
2211 | &mii_control); | |
2212 | mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | | |
2213 | MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK| | |
2214 | MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX); | |
2215 | ||
2216 | switch (vars->line_speed) { | |
2217 | case SPEED_100: | |
2218 | mii_control |= | |
2219 | MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100; | |
2220 | break; | |
2221 | case SPEED_1000: | |
2222 | mii_control |= | |
2223 | MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000; | |
2224 | break; | |
2225 | case SPEED_10: | |
2226 | /* there is nothing to set for 10M */ | |
2227 | break; | |
2228 | default: | |
2229 | /* invalid speed for SGMII */ | |
2230 | DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n", | |
2231 | vars->line_speed); | |
2232 | break; | |
2233 | } | |
2234 | ||
2235 | /* setting the full duplex */ | |
2236 | if (phy->req_duplex == DUPLEX_FULL) | |
2237 | mii_control |= | |
2238 | MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX; | |
2239 | CL22_WR_OVER_CL45(bp, phy, | |
2240 | MDIO_REG_BANK_COMBO_IEEE0, | |
2241 | MDIO_COMBO_IEEE0_MII_CONTROL, | |
2242 | mii_control); | |
2243 | ||
2244 | } else { /* AN mode */ | |
2245 | /* enable and restart AN */ | |
2246 | bnx2x_restart_autoneg(phy, params, 0); | |
2247 | } | |
2248 | } | |
2249 | ||
2250 | ||
2251 | /* | |
2252 | * link management | |
2253 | */ | |
2254 | ||
2255 | static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result) | |
2256 | { /* LD LP */ | |
2257 | switch (pause_result) { /* ASYM P ASYM P */ | |
2258 | case 0xb: /* 1 0 1 1 */ | |
2259 | vars->flow_ctrl = BNX2X_FLOW_CTRL_TX; | |
2260 | break; | |
2261 | ||
2262 | case 0xe: /* 1 1 1 0 */ | |
2263 | vars->flow_ctrl = BNX2X_FLOW_CTRL_RX; | |
2264 | break; | |
2265 | ||
2266 | case 0x5: /* 0 1 0 1 */ | |
2267 | case 0x7: /* 0 1 1 1 */ | |
2268 | case 0xd: /* 1 1 0 1 */ | |
2269 | case 0xf: /* 1 1 1 1 */ | |
2270 | vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH; | |
2271 | break; | |
2272 | ||
2273 | default: | |
2274 | break; | |
2275 | } | |
2276 | if (pause_result & (1<<0)) | |
2277 | vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE; | |
2278 | if (pause_result & (1<<1)) | |
2279 | vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE; | |
2280 | } | |
2281 | ||
2282 | static u8 bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy, | |
2283 | struct link_params *params) | |
2284 | { | |
2285 | struct bnx2x *bp = params->bp; | |
2286 | u16 pd_10g, status2_1000x; | |
2287 | if (phy->req_line_speed != SPEED_AUTO_NEG) | |
2288 | return 0; | |
2289 | CL22_RD_OVER_CL45(bp, phy, | |
2290 | MDIO_REG_BANK_SERDES_DIGITAL, | |
2291 | MDIO_SERDES_DIGITAL_A_1000X_STATUS2, | |
2292 | &status2_1000x); | |
2293 | CL22_RD_OVER_CL45(bp, phy, | |
2294 | MDIO_REG_BANK_SERDES_DIGITAL, | |
2295 | MDIO_SERDES_DIGITAL_A_1000X_STATUS2, | |
2296 | &status2_1000x); | |
2297 | if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) { | |
2298 | DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n", | |
2299 | params->port); | |
2300 | return 1; | |
2301 | } | |
2302 | ||
2303 | CL22_RD_OVER_CL45(bp, phy, | |
2304 | MDIO_REG_BANK_10G_PARALLEL_DETECT, | |
2305 | MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS, | |
2306 | &pd_10g); | |
2307 | ||
2308 | if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) { | |
2309 | DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n", | |
2310 | params->port); | |
2311 | return 1; | |
2312 | } | |
2313 | return 0; | |
2314 | } | |
2315 | ||
2316 | static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy, | |
2317 | struct link_params *params, | |
2318 | struct link_vars *vars, | |
2319 | u32 gp_status) | |
2320 | { | |
2321 | struct bnx2x *bp = params->bp; | |
2322 | u16 ld_pause; /* local driver */ | |
2323 | u16 lp_pause; /* link partner */ | |
2324 | u16 pause_result; | |
2325 | ||
2326 | vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; | |
2327 | ||
2328 | /* resolve from gp_status in case of AN complete and not sgmii */ | |
2329 | if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) | |
2330 | vars->flow_ctrl = phy->req_flow_ctrl; | |
2331 | else if (phy->req_line_speed != SPEED_AUTO_NEG) | |
2332 | vars->flow_ctrl = params->req_fc_auto_adv; | |
2333 | else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) && | |
2334 | (!(vars->phy_flags & PHY_SGMII_FLAG))) { | |
2335 | if (bnx2x_direct_parallel_detect_used(phy, params)) { | |
2336 | vars->flow_ctrl = params->req_fc_auto_adv; | |
2337 | return; | |
2338 | } | |
2339 | if ((gp_status & | |
2340 | (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | | |
2341 | MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) == | |
2342 | (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | | |
2343 | MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) { | |
2344 | ||
2345 | CL22_RD_OVER_CL45(bp, phy, | |
2346 | MDIO_REG_BANK_CL73_IEEEB1, | |
2347 | MDIO_CL73_IEEEB1_AN_ADV1, | |
2348 | &ld_pause); | |
2349 | CL22_RD_OVER_CL45(bp, phy, | |
2350 | MDIO_REG_BANK_CL73_IEEEB1, | |
2351 | MDIO_CL73_IEEEB1_AN_LP_ADV1, | |
2352 | &lp_pause); | |
2353 | pause_result = (ld_pause & | |
2354 | MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) | |
2355 | >> 8; | |
2356 | pause_result |= (lp_pause & | |
2357 | MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) | |
2358 | >> 10; | |
2359 | DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", | |
2360 | pause_result); | |
2361 | } else { | |
2362 | CL22_RD_OVER_CL45(bp, phy, | |
2363 | MDIO_REG_BANK_COMBO_IEEE0, | |
2364 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV, | |
2365 | &ld_pause); | |
2366 | CL22_RD_OVER_CL45(bp, phy, | |
2367 | MDIO_REG_BANK_COMBO_IEEE0, | |
2368 | MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1, | |
2369 | &lp_pause); | |
2370 | pause_result = (ld_pause & | |
2371 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5; | |
2372 | pause_result |= (lp_pause & | |
2373 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7; | |
2374 | DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", | |
2375 | pause_result); | |
2376 | } | |
2377 | bnx2x_pause_resolve(vars, pause_result); | |
2378 | } | |
2379 | DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl); | |
2380 | } | |
2381 | ||
2382 | static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy, | |
2383 | struct link_params *params) | |
2384 | { | |
2385 | struct bnx2x *bp = params->bp; | |
2386 | u16 rx_status, ustat_val, cl37_fsm_recieved; | |
2387 | DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n"); | |
2388 | /* Step 1: Make sure signal is detected */ | |
2389 | CL22_RD_OVER_CL45(bp, phy, | |
2390 | MDIO_REG_BANK_RX0, | |
2391 | MDIO_RX0_RX_STATUS, | |
2392 | &rx_status); | |
2393 | if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) != | |
2394 | (MDIO_RX0_RX_STATUS_SIGDET)) { | |
2395 | DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73." | |
2396 | "rx_status(0x80b0) = 0x%x\n", rx_status); | |
2397 | CL22_WR_OVER_CL45(bp, phy, | |
2398 | MDIO_REG_BANK_CL73_IEEEB0, | |
2399 | MDIO_CL73_IEEEB0_CL73_AN_CONTROL, | |
2400 | MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN); | |
2401 | return; | |
2402 | } | |
2403 | /* Step 2: Check CL73 state machine */ | |
2404 | CL22_RD_OVER_CL45(bp, phy, | |
2405 | MDIO_REG_BANK_CL73_USERB0, | |
2406 | MDIO_CL73_USERB0_CL73_USTAT1, | |
2407 | &ustat_val); | |
2408 | if ((ustat_val & | |
2409 | (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK | | |
2410 | MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) != | |
2411 | (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK | | |
2412 | MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) { | |
2413 | DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. " | |
2414 | "ustat_val(0x8371) = 0x%x\n", ustat_val); | |
2415 | return; | |
2416 | } | |
2417 | /* | |
2418 | * Step 3: Check CL37 Message Pages received to indicate LP | |
2419 | * supports only CL37 | |
2420 | */ | |
2421 | CL22_RD_OVER_CL45(bp, phy, | |
2422 | MDIO_REG_BANK_REMOTE_PHY, | |
2423 | MDIO_REMOTE_PHY_MISC_RX_STATUS, | |
2424 | &cl37_fsm_recieved); | |
2425 | 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 | /* | |
2436 | * The combined cl37/cl73 fsm state information indicating that | |
2437 | * we are connected to a device which does not support cl73, but | |
2438 | * does support cl37 BAM. In this case we disable cl73 and | |
2439 | * restart cl37 auto-neg | |
2440 | */ | |
2441 | ||
2442 | /* Disable CL73 */ | |
2443 | CL22_WR_OVER_CL45(bp, phy, | |
2444 | MDIO_REG_BANK_CL73_IEEEB0, | |
2445 | MDIO_CL73_IEEEB0_CL73_AN_CONTROL, | |
2446 | 0); | |
2447 | /* Restart CL37 autoneg */ | |
2448 | bnx2x_restart_autoneg(phy, params, 0); | |
2449 | DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n"); | |
2450 | } | |
2451 | ||
2452 | static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy, | |
2453 | struct link_params *params, | |
2454 | struct link_vars *vars, | |
2455 | u32 gp_status) | |
2456 | { | |
2457 | if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) | |
2458 | vars->link_status |= | |
2459 | LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; | |
2460 | ||
2461 | if (bnx2x_direct_parallel_detect_used(phy, params)) | |
2462 | vars->link_status |= | |
2463 | LINK_STATUS_PARALLEL_DETECTION_USED; | |
2464 | } | |
2465 | ||
2466 | static u8 bnx2x_link_settings_status(struct bnx2x_phy *phy, | |
2467 | struct link_params *params, | |
2468 | struct link_vars *vars) | |
2469 | { | |
2470 | struct bnx2x *bp = params->bp; | |
2471 | u16 new_line_speed, gp_status; | |
2472 | u8 rc = 0; | |
2473 | ||
2474 | /* Read gp_status */ | |
2475 | CL22_RD_OVER_CL45(bp, phy, | |
2476 | MDIO_REG_BANK_GP_STATUS, | |
2477 | MDIO_GP_STATUS_TOP_AN_STATUS1, | |
2478 | &gp_status); | |
2479 | ||
2480 | if (phy->req_line_speed == SPEED_AUTO_NEG) | |
2481 | vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED; | |
2482 | if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) { | |
2483 | DP(NETIF_MSG_LINK, "phy link up gp_status=0x%x\n", | |
2484 | gp_status); | |
2485 | ||
2486 | vars->phy_link_up = 1; | |
2487 | vars->link_status |= LINK_STATUS_LINK_UP; | |
2488 | ||
2489 | if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS) | |
2490 | vars->duplex = DUPLEX_FULL; | |
2491 | else | |
2492 | vars->duplex = DUPLEX_HALF; | |
2493 | ||
2494 | if (SINGLE_MEDIA_DIRECT(params)) { | |
2495 | bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status); | |
2496 | if (phy->req_line_speed == SPEED_AUTO_NEG) | |
2497 | bnx2x_xgxs_an_resolve(phy, params, vars, | |
2498 | gp_status); | |
2499 | } | |
2500 | ||
2501 | switch (gp_status & GP_STATUS_SPEED_MASK) { | |
2502 | case GP_STATUS_10M: | |
2503 | new_line_speed = SPEED_10; | |
2504 | if (vars->duplex == DUPLEX_FULL) | |
2505 | vars->link_status |= LINK_10TFD; | |
2506 | else | |
2507 | vars->link_status |= LINK_10THD; | |
2508 | break; | |
2509 | ||
2510 | case GP_STATUS_100M: | |
2511 | new_line_speed = SPEED_100; | |
2512 | if (vars->duplex == DUPLEX_FULL) | |
2513 | vars->link_status |= LINK_100TXFD; | |
2514 | else | |
2515 | vars->link_status |= LINK_100TXHD; | |
2516 | break; | |
2517 | ||
2518 | case GP_STATUS_1G: | |
2519 | case GP_STATUS_1G_KX: | |
2520 | new_line_speed = SPEED_1000; | |
2521 | if (vars->duplex == DUPLEX_FULL) | |
2522 | vars->link_status |= LINK_1000TFD; | |
2523 | else | |
2524 | vars->link_status |= LINK_1000THD; | |
2525 | break; | |
2526 | ||
2527 | case GP_STATUS_2_5G: | |
2528 | new_line_speed = SPEED_2500; | |
2529 | if (vars->duplex == DUPLEX_FULL) | |
2530 | vars->link_status |= LINK_2500TFD; | |
2531 | else | |
2532 | vars->link_status |= LINK_2500THD; | |
2533 | break; | |
2534 | ||
2535 | case GP_STATUS_5G: | |
2536 | case GP_STATUS_6G: | |
2537 | DP(NETIF_MSG_LINK, | |
2538 | "link speed unsupported gp_status 0x%x\n", | |
2539 | gp_status); | |
2540 | return -EINVAL; | |
2541 | ||
2542 | case GP_STATUS_10G_KX4: | |
2543 | case GP_STATUS_10G_HIG: | |
2544 | case GP_STATUS_10G_CX4: | |
2545 | new_line_speed = SPEED_10000; | |
2546 | vars->link_status |= LINK_10GTFD; | |
2547 | break; | |
2548 | ||
2549 | case GP_STATUS_12G_HIG: | |
2550 | new_line_speed = SPEED_12000; | |
2551 | vars->link_status |= LINK_12GTFD; | |
2552 | break; | |
2553 | ||
2554 | case GP_STATUS_12_5G: | |
2555 | new_line_speed = SPEED_12500; | |
2556 | vars->link_status |= LINK_12_5GTFD; | |
2557 | break; | |
2558 | ||
2559 | case GP_STATUS_13G: | |
2560 | new_line_speed = SPEED_13000; | |
2561 | vars->link_status |= LINK_13GTFD; | |
2562 | break; | |
2563 | ||
2564 | case GP_STATUS_15G: | |
2565 | new_line_speed = SPEED_15000; | |
2566 | vars->link_status |= LINK_15GTFD; | |
2567 | break; | |
2568 | ||
2569 | case GP_STATUS_16G: | |
2570 | new_line_speed = SPEED_16000; | |
2571 | vars->link_status |= LINK_16GTFD; | |
2572 | break; | |
2573 | ||
2574 | default: | |
2575 | DP(NETIF_MSG_LINK, | |
2576 | "link speed unsupported gp_status 0x%x\n", | |
2577 | gp_status); | |
2578 | return -EINVAL; | |
2579 | } | |
2580 | ||
2581 | vars->line_speed = new_line_speed; | |
2582 | ||
2583 | } else { /* link_down */ | |
2584 | DP(NETIF_MSG_LINK, "phy link down\n"); | |
2585 | ||
2586 | vars->phy_link_up = 0; | |
2587 | ||
2588 | vars->duplex = DUPLEX_FULL; | |
2589 | vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; | |
2590 | vars->mac_type = MAC_TYPE_NONE; | |
2591 | ||
2592 | if ((phy->req_line_speed == SPEED_AUTO_NEG) && | |
2593 | SINGLE_MEDIA_DIRECT(params)) { | |
2594 | /* Check signal is detected */ | |
2595 | bnx2x_check_fallback_to_cl37(phy, params); | |
2596 | } | |
2597 | } | |
2598 | ||
2599 | DP(NETIF_MSG_LINK, "gp_status 0x%x phy_link_up %x line_speed %x\n", | |
2600 | gp_status, vars->phy_link_up, vars->line_speed); | |
2601 | DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n", | |
2602 | vars->duplex, vars->flow_ctrl, vars->link_status); | |
2603 | return rc; | |
2604 | } | |
2605 | ||
2606 | static void bnx2x_set_gmii_tx_driver(struct link_params *params) | |
2607 | { | |
2608 | struct bnx2x *bp = params->bp; | |
2609 | struct bnx2x_phy *phy = ¶ms->phy[INT_PHY]; | |
2610 | u16 lp_up2; | |
2611 | u16 tx_driver; | |
2612 | u16 bank; | |
2613 | ||
2614 | /* read precomp */ | |
2615 | CL22_RD_OVER_CL45(bp, phy, | |
2616 | MDIO_REG_BANK_OVER_1G, | |
2617 | MDIO_OVER_1G_LP_UP2, &lp_up2); | |
2618 | ||
2619 | /* bits [10:7] at lp_up2, positioned at [15:12] */ | |
2620 | lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >> | |
2621 | MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) << | |
2622 | MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT); | |
2623 | ||
2624 | if (lp_up2 == 0) | |
2625 | return; | |
2626 | ||
2627 | for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3; | |
2628 | bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) { | |
2629 | CL22_RD_OVER_CL45(bp, phy, | |
2630 | bank, | |
2631 | MDIO_TX0_TX_DRIVER, &tx_driver); | |
2632 | ||
2633 | /* replace tx_driver bits [15:12] */ | |
2634 | if (lp_up2 != | |
2635 | (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) { | |
2636 | tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK; | |
2637 | tx_driver |= lp_up2; | |
2638 | CL22_WR_OVER_CL45(bp, phy, | |
2639 | bank, | |
2640 | MDIO_TX0_TX_DRIVER, tx_driver); | |
2641 | } | |
2642 | } | |
2643 | } | |
2644 | ||
2645 | static u8 bnx2x_emac_program(struct link_params *params, | |
2646 | struct link_vars *vars) | |
2647 | { | |
2648 | struct bnx2x *bp = params->bp; | |
2649 | u8 port = params->port; | |
2650 | u16 mode = 0; | |
2651 | ||
2652 | DP(NETIF_MSG_LINK, "setting link speed & duplex\n"); | |
2653 | bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 + | |
2654 | EMAC_REG_EMAC_MODE, | |
2655 | (EMAC_MODE_25G_MODE | | |
2656 | EMAC_MODE_PORT_MII_10M | | |
2657 | EMAC_MODE_HALF_DUPLEX)); | |
2658 | switch (vars->line_speed) { | |
2659 | case SPEED_10: | |
2660 | mode |= EMAC_MODE_PORT_MII_10M; | |
2661 | break; | |
2662 | ||
2663 | case SPEED_100: | |
2664 | mode |= EMAC_MODE_PORT_MII; | |
2665 | break; | |
2666 | ||
2667 | case SPEED_1000: | |
2668 | mode |= EMAC_MODE_PORT_GMII; | |
2669 | break; | |
2670 | ||
2671 | case SPEED_2500: | |
2672 | mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII); | |
2673 | break; | |
2674 | ||
2675 | default: | |
2676 | /* 10G not valid for EMAC */ | |
2677 | DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n", | |
2678 | vars->line_speed); | |
2679 | return -EINVAL; | |
2680 | } | |
2681 | ||
2682 | if (vars->duplex == DUPLEX_HALF) | |
2683 | mode |= EMAC_MODE_HALF_DUPLEX; | |
2684 | bnx2x_bits_en(bp, | |
2685 | GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE, | |
2686 | mode); | |
2687 | ||
2688 | bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed); | |
2689 | return 0; | |
2690 | } | |
2691 | ||
2692 | static void bnx2x_set_preemphasis(struct bnx2x_phy *phy, | |
2693 | struct link_params *params) | |
2694 | { | |
2695 | ||
2696 | u16 bank, i = 0; | |
2697 | struct bnx2x *bp = params->bp; | |
2698 | ||
2699 | for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3; | |
2700 | bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) { | |
2701 | CL22_WR_OVER_CL45(bp, phy, | |
2702 | bank, | |
2703 | MDIO_RX0_RX_EQ_BOOST, | |
2704 | phy->rx_preemphasis[i]); | |
2705 | } | |
2706 | ||
2707 | for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3; | |
2708 | bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) { | |
2709 | CL22_WR_OVER_CL45(bp, phy, | |
2710 | bank, | |
2711 | MDIO_TX0_TX_DRIVER, | |
2712 | phy->tx_preemphasis[i]); | |
2713 | } | |
2714 | } | |
2715 | ||
2716 | static void bnx2x_init_internal_phy(struct bnx2x_phy *phy, | |
2717 | struct link_params *params, | |
2718 | struct link_vars *vars) | |
2719 | { | |
2720 | struct bnx2x *bp = params->bp; | |
2721 | u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) || | |
2722 | (params->loopback_mode == LOOPBACK_XGXS)); | |
2723 | if (!(vars->phy_flags & PHY_SGMII_FLAG)) { | |
2724 | if (SINGLE_MEDIA_DIRECT(params) && | |
2725 | (params->feature_config_flags & | |
2726 | FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) | |
2727 | bnx2x_set_preemphasis(phy, params); | |
2728 | ||
2729 | /* forced speed requested? */ | |
2730 | if (vars->line_speed != SPEED_AUTO_NEG || | |
2731 | (SINGLE_MEDIA_DIRECT(params) && | |
2732 | params->loopback_mode == LOOPBACK_EXT)) { | |
2733 | DP(NETIF_MSG_LINK, "not SGMII, no AN\n"); | |
2734 | ||
2735 | /* disable autoneg */ | |
2736 | bnx2x_set_autoneg(phy, params, vars, 0); | |
2737 | ||
2738 | /* program speed and duplex */ | |
2739 | bnx2x_program_serdes(phy, params, vars); | |
2740 | ||
2741 | } else { /* AN_mode */ | |
2742 | DP(NETIF_MSG_LINK, "not SGMII, AN\n"); | |
2743 | ||
2744 | /* AN enabled */ | |
2745 | bnx2x_set_brcm_cl37_advertisment(phy, params); | |
2746 | ||
2747 | /* program duplex & pause advertisement (for aneg) */ | |
2748 | bnx2x_set_ieee_aneg_advertisment(phy, params, | |
2749 | vars->ieee_fc); | |
2750 | ||
2751 | /* enable autoneg */ | |
2752 | bnx2x_set_autoneg(phy, params, vars, enable_cl73); | |
2753 | ||
2754 | /* enable and restart AN */ | |
2755 | bnx2x_restart_autoneg(phy, params, enable_cl73); | |
2756 | } | |
2757 | ||
2758 | } else { /* SGMII mode */ | |
2759 | DP(NETIF_MSG_LINK, "SGMII\n"); | |
2760 | ||
2761 | bnx2x_initialize_sgmii_process(phy, params, vars); | |
2762 | } | |
2763 | } | |
2764 | ||
2765 | static u8 bnx2x_init_serdes(struct bnx2x_phy *phy, | |
2766 | struct link_params *params, | |
2767 | struct link_vars *vars) | |
2768 | { | |
2769 | u8 rc; | |
2770 | vars->phy_flags |= PHY_SGMII_FLAG; | |
2771 | bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); | |
2772 | bnx2x_set_aer_mmd_serdes(params->bp, phy); | |
2773 | rc = bnx2x_reset_unicore(params, phy, 1); | |
2774 | /* reset the SerDes and wait for reset bit return low */ | |
2775 | if (rc != 0) | |
2776 | return rc; | |
2777 | bnx2x_set_aer_mmd_serdes(params->bp, phy); | |
2778 | ||
2779 | return rc; | |
2780 | } | |
2781 | ||
2782 | static u8 bnx2x_init_xgxs(struct bnx2x_phy *phy, | |
2783 | struct link_params *params, | |
2784 | struct link_vars *vars) | |
2785 | { | |
2786 | u8 rc; | |
2787 | vars->phy_flags = PHY_XGXS_FLAG; | |
2788 | if ((phy->req_line_speed && | |
2789 | ((phy->req_line_speed == SPEED_100) || | |
2790 | (phy->req_line_speed == SPEED_10))) || | |
2791 | (!phy->req_line_speed && | |
2792 | (phy->speed_cap_mask >= | |
2793 | PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) && | |
2794 | (phy->speed_cap_mask < | |
2795 | PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) | |
2796 | )) | |
2797 | vars->phy_flags |= PHY_SGMII_FLAG; | |
2798 | else | |
2799 | vars->phy_flags &= ~PHY_SGMII_FLAG; | |
2800 | ||
2801 | bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); | |
2802 | bnx2x_set_aer_mmd_xgxs(params, phy); | |
2803 | bnx2x_set_master_ln(params, phy); | |
2804 | ||
2805 | rc = bnx2x_reset_unicore(params, phy, 0); | |
2806 | /* reset the SerDes and wait for reset bit return low */ | |
2807 | if (rc != 0) | |
2808 | return rc; | |
2809 | ||
2810 | bnx2x_set_aer_mmd_xgxs(params, phy); | |
2811 | ||
2812 | /* setting the masterLn_def again after the reset */ | |
2813 | bnx2x_set_master_ln(params, phy); | |
2814 | bnx2x_set_swap_lanes(params, phy); | |
2815 | ||
2816 | return rc; | |
2817 | } | |
2818 | ||
2819 | static u16 bnx2x_wait_reset_complete(struct bnx2x *bp, | |
2820 | struct bnx2x_phy *phy, | |
2821 | struct link_params *params) | |
2822 | { | |
2823 | u16 cnt, ctrl; | |
2824 | /* Wait for soft reset to get cleared up to 1 sec */ | |
2825 | for (cnt = 0; cnt < 1000; cnt++) { | |
2826 | bnx2x_cl45_read(bp, phy, | |
2827 | MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, &ctrl); | |
2828 | if (!(ctrl & (1<<15))) | |
2829 | break; | |
2830 | msleep(1); | |
2831 | } | |
2832 | ||
2833 | if (cnt == 1000) | |
2834 | netdev_err(bp->dev, "Warning: PHY was not initialized," | |
2835 | " Port %d\n", | |
2836 | params->port); | |
2837 | DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt); | |
2838 | return cnt; | |
2839 | } | |
2840 | ||
2841 | static void bnx2x_link_int_enable(struct link_params *params) | |
2842 | { | |
2843 | u8 port = params->port; | |
2844 | u32 mask; | |
2845 | struct bnx2x *bp = params->bp; | |
2846 | ||
2847 | /* Setting the status to report on link up for either XGXS or SerDes */ | |
2848 | if (params->switch_cfg == SWITCH_CFG_10G) { | |
2849 | mask = (NIG_MASK_XGXS0_LINK10G | | |
2850 | NIG_MASK_XGXS0_LINK_STATUS); | |
2851 | DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n"); | |
2852 | if (!(SINGLE_MEDIA_DIRECT(params)) && | |
2853 | params->phy[INT_PHY].type != | |
2854 | PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) { | |
2855 | mask |= NIG_MASK_MI_INT; | |
2856 | DP(NETIF_MSG_LINK, "enabled external phy int\n"); | |
2857 | } | |
2858 | ||
2859 | } else { /* SerDes */ | |
2860 | mask = NIG_MASK_SERDES0_LINK_STATUS; | |
2861 | DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n"); | |
2862 | if (!(SINGLE_MEDIA_DIRECT(params)) && | |
2863 | params->phy[INT_PHY].type != | |
2864 | PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) { | |
2865 | mask |= NIG_MASK_MI_INT; | |
2866 | DP(NETIF_MSG_LINK, "enabled external phy int\n"); | |
2867 | } | |
2868 | } | |
2869 | bnx2x_bits_en(bp, | |
2870 | NIG_REG_MASK_INTERRUPT_PORT0 + port*4, | |
2871 | mask); | |
2872 | ||
2873 | DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port, | |
2874 | (params->switch_cfg == SWITCH_CFG_10G), | |
2875 | REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4)); | |
2876 | DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n", | |
2877 | REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4), | |
2878 | REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18), | |
2879 | REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c)); | |
2880 | DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n", | |
2881 | REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68), | |
2882 | REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68)); | |
2883 | } | |
2884 | ||
2885 | static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port, | |
2886 | u8 exp_mi_int) | |
2887 | { | |
2888 | u32 latch_status = 0; | |
2889 | ||
2890 | /* | |
2891 | * Disable the MI INT ( external phy int ) by writing 1 to the | |
2892 | * status register. Link down indication is high-active-signal, | |
2893 | * so in this case we need to write the status to clear the XOR | |
2894 | */ | |
2895 | /* Read Latched signals */ | |
2896 | latch_status = REG_RD(bp, | |
2897 | NIG_REG_LATCH_STATUS_0 + port*8); | |
2898 | DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status); | |
2899 | /* Handle only those with latched-signal=up.*/ | |
2900 | if (exp_mi_int) | |
2901 | bnx2x_bits_en(bp, | |
2902 | NIG_REG_STATUS_INTERRUPT_PORT0 | |
2903 | + port*4, | |
2904 | NIG_STATUS_EMAC0_MI_INT); | |
2905 | else | |
2906 | bnx2x_bits_dis(bp, | |
2907 | NIG_REG_STATUS_INTERRUPT_PORT0 | |
2908 | + port*4, | |
2909 | NIG_STATUS_EMAC0_MI_INT); | |
2910 | ||
2911 | if (latch_status & 1) { | |
2912 | ||
2913 | /* For all latched-signal=up : Re-Arm Latch signals */ | |
2914 | REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8, | |
2915 | (latch_status & 0xfffe) | (latch_status & 1)); | |
2916 | } | |
2917 | /* For all latched-signal=up,Write original_signal to status */ | |
2918 | } | |
2919 | ||
2920 | static void bnx2x_link_int_ack(struct link_params *params, | |
2921 | struct link_vars *vars, u8 is_10g) | |
2922 | { | |
2923 | struct bnx2x *bp = params->bp; | |
2924 | u8 port = params->port; | |
2925 | ||
2926 | /* | |
2927 | * First reset all status we assume only one line will be | |
2928 | * change at a time | |
2929 | */ | |
2930 | bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, | |
2931 | (NIG_STATUS_XGXS0_LINK10G | | |
2932 | NIG_STATUS_XGXS0_LINK_STATUS | | |
2933 | NIG_STATUS_SERDES0_LINK_STATUS)); | |
2934 | if (vars->phy_link_up) { | |
2935 | if (is_10g) { | |
2936 | /* | |
2937 | * Disable the 10G link interrupt by writing 1 to the | |
2938 | * status register | |
2939 | */ | |
2940 | DP(NETIF_MSG_LINK, "10G XGXS phy link up\n"); | |
2941 | bnx2x_bits_en(bp, | |
2942 | NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, | |
2943 | NIG_STATUS_XGXS0_LINK10G); | |
2944 | ||
2945 | } else if (params->switch_cfg == SWITCH_CFG_10G) { | |
2946 | /* | |
2947 | * Disable the link interrupt by writing 1 to the | |
2948 | * relevant lane in the status register | |
2949 | */ | |
2950 | u32 ser_lane = ((params->lane_config & | |
2951 | PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> | |
2952 | PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); | |
2953 | ||
2954 | DP(NETIF_MSG_LINK, "%d speed XGXS phy link up\n", | |
2955 | vars->line_speed); | |
2956 | bnx2x_bits_en(bp, | |
2957 | NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, | |
2958 | ((1 << ser_lane) << | |
2959 | NIG_STATUS_XGXS0_LINK_STATUS_SIZE)); | |
2960 | ||
2961 | } else { /* SerDes */ | |
2962 | DP(NETIF_MSG_LINK, "SerDes phy link up\n"); | |
2963 | /* | |
2964 | * Disable the link interrupt by writing 1 to the status | |
2965 | * register | |
2966 | */ | |
2967 | bnx2x_bits_en(bp, | |
2968 | NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, | |
2969 | NIG_STATUS_SERDES0_LINK_STATUS); | |
2970 | } | |
2971 | ||
2972 | } | |
2973 | } | |
2974 | ||
2975 | static u8 bnx2x_format_ver(u32 num, u8 *str, u16 *len) | |
2976 | { | |
2977 | u8 *str_ptr = str; | |
2978 | u32 mask = 0xf0000000; | |
2979 | u8 shift = 8*4; | |
2980 | u8 digit; | |
2981 | u8 remove_leading_zeros = 1; | |
2982 | if (*len < 10) { | |
2983 | /* Need more than 10chars for this format */ | |
2984 | *str_ptr = '\0'; | |
2985 | (*len)--; | |
2986 | return -EINVAL; | |
2987 | } | |
2988 | while (shift > 0) { | |
2989 | ||
2990 | shift -= 4; | |
2991 | digit = ((num & mask) >> shift); | |
2992 | if (digit == 0 && remove_leading_zeros) { | |
2993 | mask = mask >> 4; | |
2994 | continue; | |
2995 | } else if (digit < 0xa) | |
2996 | *str_ptr = digit + '0'; | |
2997 | else | |
2998 | *str_ptr = digit - 0xa + 'a'; | |
2999 | remove_leading_zeros = 0; | |
3000 | str_ptr++; | |
3001 | (*len)--; | |
3002 | mask = mask >> 4; | |
3003 | if (shift == 4*4) { | |
3004 | *str_ptr = '.'; | |
3005 | str_ptr++; | |
3006 | (*len)--; | |
3007 | remove_leading_zeros = 1; | |
3008 | } | |
3009 | } | |
3010 | return 0; | |
3011 | } | |
3012 | ||
3013 | ||
3014 | static u8 bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len) | |
3015 | { | |
3016 | str[0] = '\0'; | |
3017 | (*len)--; | |
3018 | return 0; | |
3019 | } | |
3020 | ||
3021 | u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded, | |
3022 | u8 *version, u16 len) | |
3023 | { | |
3024 | struct bnx2x *bp; | |
3025 | u32 spirom_ver = 0; | |
3026 | u8 status = 0; | |
3027 | u8 *ver_p = version; | |
3028 | u16 remain_len = len; | |
3029 | if (version == NULL || params == NULL) | |
3030 | return -EINVAL; | |
3031 | bp = params->bp; | |
3032 | ||
3033 | /* Extract first external phy*/ | |
3034 | version[0] = '\0'; | |
3035 | spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr); | |
3036 | ||
3037 | if (params->phy[EXT_PHY1].format_fw_ver) { | |
3038 | status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver, | |
3039 | ver_p, | |
3040 | &remain_len); | |
3041 | ver_p += (len - remain_len); | |
3042 | } | |
3043 | if ((params->num_phys == MAX_PHYS) && | |
3044 | (params->phy[EXT_PHY2].ver_addr != 0)) { | |
3045 | spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr); | |
3046 | if (params->phy[EXT_PHY2].format_fw_ver) { | |
3047 | *ver_p = '/'; | |
3048 | ver_p++; | |
3049 | remain_len--; | |
3050 | status |= params->phy[EXT_PHY2].format_fw_ver( | |
3051 | spirom_ver, | |
3052 | ver_p, | |
3053 | &remain_len); | |
3054 | ver_p = version + (len - remain_len); | |
3055 | } | |
3056 | } | |
3057 | *ver_p = '\0'; | |
3058 | return status; | |
3059 | } | |
3060 | ||
3061 | static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy, | |
3062 | struct link_params *params) | |
3063 | { | |
3064 | u8 port = params->port; | |
3065 | struct bnx2x *bp = params->bp; | |
3066 | ||
3067 | if (phy->req_line_speed != SPEED_1000) { | |
3068 | u32 md_devad; | |
3069 | ||
3070 | DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n"); | |
3071 | ||
3072 | /* change the uni_phy_addr in the nig */ | |
3073 | md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD + | |
3074 | port*0x18)); | |
3075 | ||
3076 | REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5); | |
3077 | ||
3078 | bnx2x_cl45_write(bp, phy, | |
3079 | 5, | |
3080 | (MDIO_REG_BANK_AER_BLOCK + | |
3081 | (MDIO_AER_BLOCK_AER_REG & 0xf)), | |
3082 | 0x2800); | |
3083 | ||
3084 | bnx2x_cl45_write(bp, phy, | |
3085 | 5, | |
3086 | (MDIO_REG_BANK_CL73_IEEEB0 + | |
3087 | (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)), | |
3088 | 0x6041); | |
3089 | msleep(200); | |
3090 | /* set aer mmd back */ | |
3091 | bnx2x_set_aer_mmd_xgxs(params, phy); | |
3092 | ||
3093 | /* and md_devad */ | |
3094 | REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, md_devad); | |
3095 | } else { | |
3096 | u16 mii_ctrl; | |
3097 | DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n"); | |
3098 | bnx2x_cl45_read(bp, phy, 5, | |
3099 | (MDIO_REG_BANK_COMBO_IEEE0 + | |
3100 | (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)), | |
3101 | &mii_ctrl); | |
3102 | bnx2x_cl45_write(bp, phy, 5, | |
3103 | (MDIO_REG_BANK_COMBO_IEEE0 + | |
3104 | (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)), | |
3105 | mii_ctrl | | |
3106 | MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK); | |
3107 | } | |
3108 | } | |
3109 | ||
3110 | u8 bnx2x_set_led(struct link_params *params, | |
3111 | struct link_vars *vars, u8 mode, u32 speed) | |
3112 | { | |
3113 | u8 port = params->port; | |
3114 | u16 hw_led_mode = params->hw_led_mode; | |
3115 | u8 rc = 0, phy_idx; | |
3116 | u32 tmp; | |
3117 | u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; | |
3118 | struct bnx2x *bp = params->bp; | |
3119 | DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode); | |
3120 | DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n", | |
3121 | speed, hw_led_mode); | |
3122 | /* In case */ | |
3123 | for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) { | |
3124 | if (params->phy[phy_idx].set_link_led) { | |
3125 | params->phy[phy_idx].set_link_led( | |
3126 | ¶ms->phy[phy_idx], params, mode); | |
3127 | } | |
3128 | } | |
3129 | ||
3130 | switch (mode) { | |
3131 | case LED_MODE_FRONT_PANEL_OFF: | |
3132 | case LED_MODE_OFF: | |
3133 | REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0); | |
3134 | REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, | |
3135 | SHARED_HW_CFG_LED_MAC1); | |
3136 | ||
3137 | tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED); | |
3138 | EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE)); | |
3139 | break; | |
3140 | ||
3141 | case LED_MODE_OPER: | |
3142 | /* | |
3143 | * For all other phys, OPER mode is same as ON, so in case | |
3144 | * link is down, do nothing | |
3145 | */ | |
3146 | if (!vars->link_up) | |
3147 | break; | |
3148 | case LED_MODE_ON: | |
3149 | if (params->phy[EXT_PHY1].type == | |
3150 | PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727 && | |
3151 | CHIP_IS_E2(bp) && params->num_phys == 2) { | |
3152 | /* | |
3153 | * This is a work-around for E2+8727 Configurations | |
3154 | */ | |
3155 | if (mode == LED_MODE_ON || | |
3156 | speed == SPEED_10000){ | |
3157 | REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0); | |
3158 | REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1); | |
3159 | ||
3160 | tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED); | |
3161 | EMAC_WR(bp, EMAC_REG_EMAC_LED, | |
3162 | (tmp | EMAC_LED_OVERRIDE)); | |
3163 | return rc; | |
3164 | } | |
3165 | } else if (SINGLE_MEDIA_DIRECT(params)) { | |
3166 | /* | |
3167 | * This is a work-around for HW issue found when link | |
3168 | * is up in CL73 | |
3169 | */ | |
3170 | REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0); | |
3171 | REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1); | |
3172 | } else { | |
3173 | REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode); | |
3174 | } | |
3175 | ||
3176 | REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0); | |
3177 | /* Set blinking rate to ~15.9Hz */ | |
3178 | REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4, | |
3179 | LED_BLINK_RATE_VAL); | |
3180 | REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 + | |
3181 | port*4, 1); | |
3182 | tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED); | |
3183 | EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE))); | |
3184 | ||
3185 | if (CHIP_IS_E1(bp) && | |
3186 | ((speed == SPEED_2500) || | |
3187 | (speed == SPEED_1000) || | |
3188 | (speed == SPEED_100) || | |
3189 | (speed == SPEED_10))) { | |
3190 | /* | |
3191 | * On Everest 1 Ax chip versions for speeds less than | |
3192 | * 10G LED scheme is different | |
3193 | */ | |
3194 | REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 | |
3195 | + port*4, 1); | |
3196 | REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 + | |
3197 | port*4, 0); | |
3198 | REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 + | |
3199 | port*4, 1); | |
3200 | } | |
3201 | break; | |
3202 | ||
3203 | default: | |
3204 | rc = -EINVAL; | |
3205 | DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n", | |
3206 | mode); | |
3207 | break; | |
3208 | } | |
3209 | return rc; | |
3210 | ||
3211 | } | |
3212 | ||
3213 | /* | |
3214 | * This function comes to reflect the actual link state read DIRECTLY from the | |
3215 | * HW | |
3216 | */ | |
3217 | u8 bnx2x_test_link(struct link_params *params, struct link_vars *vars, | |
3218 | u8 is_serdes) | |
3219 | { | |
3220 | struct bnx2x *bp = params->bp; | |
3221 | u16 gp_status = 0, phy_index = 0; | |
3222 | u8 ext_phy_link_up = 0, serdes_phy_type; | |
3223 | struct link_vars temp_vars; | |
3224 | ||
3225 | CL22_RD_OVER_CL45(bp, ¶ms->phy[INT_PHY], | |
3226 | MDIO_REG_BANK_GP_STATUS, | |
3227 | MDIO_GP_STATUS_TOP_AN_STATUS1, | |
3228 | &gp_status); | |
3229 | /* link is up only if both local phy and external phy are up */ | |
3230 | if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)) | |
3231 | return -ESRCH; | |
3232 | ||
3233 | switch (params->num_phys) { | |
3234 | case 1: | |
3235 | /* No external PHY */ | |
3236 | return 0; | |
3237 | case 2: | |
3238 | ext_phy_link_up = params->phy[EXT_PHY1].read_status( | |
3239 | ¶ms->phy[EXT_PHY1], | |
3240 | params, &temp_vars); | |
3241 | break; | |
3242 | case 3: /* Dual Media */ | |
3243 | for (phy_index = EXT_PHY1; phy_index < params->num_phys; | |
3244 | phy_index++) { | |
3245 | serdes_phy_type = ((params->phy[phy_index].media_type == | |
3246 | ETH_PHY_SFP_FIBER) || | |
3247 | (params->phy[phy_index].media_type == | |
3248 | ETH_PHY_XFP_FIBER)); | |
3249 | ||
3250 | if (is_serdes != serdes_phy_type) | |
3251 | continue; | |
3252 | if (params->phy[phy_index].read_status) { | |
3253 | ext_phy_link_up |= | |
3254 | params->phy[phy_index].read_status( | |
3255 | ¶ms->phy[phy_index], | |
3256 | params, &temp_vars); | |
3257 | } | |
3258 | } | |
3259 | break; | |
3260 | } | |
3261 | if (ext_phy_link_up) | |
3262 | return 0; | |
3263 | return -ESRCH; | |
3264 | } | |
3265 | ||
3266 | static u8 bnx2x_link_initialize(struct link_params *params, | |
3267 | struct link_vars *vars) | |
3268 | { | |
3269 | u8 rc = 0; | |
3270 | u8 phy_index, non_ext_phy; | |
3271 | struct bnx2x *bp = params->bp; | |
3272 | /* | |
3273 | * In case of external phy existence, the line speed would be the | |
3274 | * line speed linked up by the external phy. In case it is direct | |
3275 | * only, then the line_speed during initialization will be | |
3276 | * equal to the req_line_speed | |
3277 | */ | |
3278 | vars->line_speed = params->phy[INT_PHY].req_line_speed; | |
3279 | ||
3280 | /* | |
3281 | * Initialize the internal phy in case this is a direct board | |
3282 | * (no external phys), or this board has external phy which requires | |
3283 | * to first. | |
3284 | */ | |
3285 | ||
3286 | if (params->phy[INT_PHY].config_init) | |
3287 | params->phy[INT_PHY].config_init( | |
3288 | ¶ms->phy[INT_PHY], | |
3289 | params, vars); | |
3290 | ||
3291 | /* init ext phy and enable link state int */ | |
3292 | non_ext_phy = (SINGLE_MEDIA_DIRECT(params) || | |
3293 | (params->loopback_mode == LOOPBACK_XGXS)); | |
3294 | ||
3295 | if (non_ext_phy || | |
3296 | (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) || | |
3297 | (params->loopback_mode == LOOPBACK_EXT_PHY)) { | |
3298 | struct bnx2x_phy *phy = ¶ms->phy[INT_PHY]; | |
3299 | if (vars->line_speed == SPEED_AUTO_NEG) | |
3300 | bnx2x_set_parallel_detection(phy, params); | |
3301 | bnx2x_init_internal_phy(phy, params, vars); | |
3302 | } | |
3303 | ||
3304 | /* Init external phy*/ | |
3305 | if (!non_ext_phy) | |
3306 | for (phy_index = EXT_PHY1; phy_index < params->num_phys; | |
3307 | phy_index++) { | |
3308 | /* | |
3309 | * No need to initialize second phy in case of first | |
3310 | * phy only selection. In case of second phy, we do | |
3311 | * need to initialize the first phy, since they are | |
3312 | * connected. | |
3313 | */ | |
3314 | if (phy_index == EXT_PHY2 && | |
3315 | (bnx2x_phy_selection(params) == | |
3316 | PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) { | |
3317 | DP(NETIF_MSG_LINK, "Ignoring second phy\n"); | |
3318 | continue; | |
3319 | } | |
3320 | params->phy[phy_index].config_init( | |
3321 | ¶ms->phy[phy_index], | |
3322 | params, vars); | |
3323 | } | |
3324 | ||
3325 | /* Reset the interrupt indication after phy was initialized */ | |
3326 | bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + | |
3327 | params->port*4, | |
3328 | (NIG_STATUS_XGXS0_LINK10G | | |
3329 | NIG_STATUS_XGXS0_LINK_STATUS | | |
3330 | NIG_STATUS_SERDES0_LINK_STATUS | | |
3331 | NIG_MASK_MI_INT)); | |
3332 | return rc; | |
3333 | } | |
3334 | ||
3335 | static void bnx2x_int_link_reset(struct bnx2x_phy *phy, | |
3336 | struct link_params *params) | |
3337 | { | |
3338 | /* reset the SerDes/XGXS */ | |
3339 | REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, | |
3340 | (0x1ff << (params->port*16))); | |
3341 | } | |
3342 | ||
3343 | static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy, | |
3344 | struct link_params *params) | |
3345 | { | |
3346 | struct bnx2x *bp = params->bp; | |
3347 | u8 gpio_port; | |
3348 | /* HW reset */ | |
3349 | if (CHIP_IS_E2(bp)) | |
3350 | gpio_port = BP_PATH(bp); | |
3351 | else | |
3352 | gpio_port = params->port; | |
3353 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, | |
3354 | MISC_REGISTERS_GPIO_OUTPUT_LOW, | |
3355 | gpio_port); | |
3356 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, | |
3357 | MISC_REGISTERS_GPIO_OUTPUT_LOW, | |
3358 | gpio_port); | |
3359 | DP(NETIF_MSG_LINK, "reset external PHY\n"); | |
3360 | } | |
3361 | ||
3362 | static u8 bnx2x_update_link_down(struct link_params *params, | |
3363 | struct link_vars *vars) | |
3364 | { | |
3365 | struct bnx2x *bp = params->bp; | |
3366 | u8 port = params->port; | |
3367 | ||
3368 | DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port); | |
3369 | bnx2x_set_led(params, vars, LED_MODE_OFF, 0); | |
3370 | ||
3371 | /* indicate no mac active */ | |
3372 | vars->mac_type = MAC_TYPE_NONE; | |
3373 | ||
3374 | /* update shared memory */ | |
3375 | vars->link_status = 0; | |
3376 | vars->line_speed = 0; | |
3377 | bnx2x_update_mng(params, vars->link_status); | |
3378 | ||
3379 | /* activate nig drain */ | |
3380 | REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); | |
3381 | ||
3382 | /* disable emac */ | |
3383 | REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0); | |
3384 | ||
3385 | msleep(10); | |
3386 | ||
3387 | /* reset BigMac */ | |
3388 | bnx2x_bmac_rx_disable(bp, params->port); | |
3389 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, | |
3390 | (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); | |
3391 | return 0; | |
3392 | } | |
3393 | ||
3394 | static u8 bnx2x_update_link_up(struct link_params *params, | |
3395 | struct link_vars *vars, | |
3396 | u8 link_10g) | |
3397 | { | |
3398 | struct bnx2x *bp = params->bp; | |
3399 | u8 port = params->port; | |
3400 | u8 rc = 0; | |
3401 | ||
3402 | vars->link_status |= LINK_STATUS_LINK_UP; | |
3403 | ||
3404 | if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) | |
3405 | vars->link_status |= | |
3406 | LINK_STATUS_TX_FLOW_CONTROL_ENABLED; | |
3407 | ||
3408 | if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX) | |
3409 | vars->link_status |= | |
3410 | LINK_STATUS_RX_FLOW_CONTROL_ENABLED; | |
3411 | ||
3412 | if (link_10g) { | |
3413 | bnx2x_bmac_enable(params, vars, 0); | |
3414 | bnx2x_set_led(params, vars, | |
3415 | LED_MODE_OPER, SPEED_10000); | |
3416 | } else { | |
3417 | rc = bnx2x_emac_program(params, vars); | |
3418 | ||
3419 | bnx2x_emac_enable(params, vars, 0); | |
3420 | ||
3421 | /* AN complete? */ | |
3422 | if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) | |
3423 | && (!(vars->phy_flags & PHY_SGMII_FLAG)) && | |
3424 | SINGLE_MEDIA_DIRECT(params)) | |
3425 | bnx2x_set_gmii_tx_driver(params); | |
3426 | } | |
3427 | ||
3428 | /* PBF - link up */ | |
3429 | if (!(CHIP_IS_E2(bp))) | |
3430 | rc |= bnx2x_pbf_update(params, vars->flow_ctrl, | |
3431 | vars->line_speed); | |
3432 | ||
3433 | /* disable drain */ | |
3434 | REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0); | |
3435 | ||
3436 | /* update shared memory */ | |
3437 | bnx2x_update_mng(params, vars->link_status); | |
3438 | msleep(20); | |
3439 | return rc; | |
3440 | } | |
3441 | /* | |
3442 | * The bnx2x_link_update function should be called upon link | |
3443 | * interrupt. | |
3444 | * Link is considered up as follows: | |
3445 | * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs | |
3446 | * to be up | |
3447 | * - SINGLE_MEDIA - The link between the 577xx and the external | |
3448 | * phy (XGXS) need to up as well as the external link of the | |
3449 | * phy (PHY_EXT1) | |
3450 | * - DUAL_MEDIA - The link between the 577xx and the first | |
3451 | * external phy needs to be up, and at least one of the 2 | |
3452 | * external phy link must be up. | |
3453 | */ | |
3454 | u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars) | |
3455 | { | |
3456 | struct bnx2x *bp = params->bp; | |
3457 | struct link_vars phy_vars[MAX_PHYS]; | |
3458 | u8 port = params->port; | |
3459 | u8 link_10g, phy_index; | |
3460 | u8 ext_phy_link_up = 0, cur_link_up, rc = 0; | |
3461 | u8 is_mi_int = 0; | |
3462 | u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed; | |
3463 | u8 active_external_phy = INT_PHY; | |
3464 | vars->link_status = 0; | |
3465 | for (phy_index = INT_PHY; phy_index < params->num_phys; | |
3466 | phy_index++) { | |
3467 | phy_vars[phy_index].flow_ctrl = 0; | |
3468 | phy_vars[phy_index].link_status = 0; | |
3469 | phy_vars[phy_index].line_speed = 0; | |
3470 | phy_vars[phy_index].duplex = DUPLEX_FULL; | |
3471 | phy_vars[phy_index].phy_link_up = 0; | |
3472 | phy_vars[phy_index].link_up = 0; | |
3473 | } | |
3474 | ||
3475 | DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n", | |
3476 | port, (vars->phy_flags & PHY_XGXS_FLAG), | |
3477 | REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4)); | |
3478 | ||
3479 | is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + | |
3480 | port*0x18) > 0); | |
3481 | DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n", | |
3482 | REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4), | |
3483 | is_mi_int, | |
3484 | REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c)); | |
3485 | ||
3486 | DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n", | |
3487 | REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68), | |
3488 | REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68)); | |
3489 | ||
3490 | /* disable emac */ | |
3491 | REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0); | |
3492 | ||
3493 | /* | |
3494 | * Step 1: | |
3495 | * Check external link change only for external phys, and apply | |
3496 | * priority selection between them in case the link on both phys | |
3497 | * is up. Note that the instead of the common vars, a temporary | |
3498 | * vars argument is used since each phy may have different link/ | |
3499 | * speed/duplex result | |
3500 | */ | |
3501 | for (phy_index = EXT_PHY1; phy_index < params->num_phys; | |
3502 | phy_index++) { | |
3503 | struct bnx2x_phy *phy = ¶ms->phy[phy_index]; | |
3504 | if (!phy->read_status) | |
3505 | continue; | |
3506 | /* Read link status and params of this ext phy */ | |
3507 | cur_link_up = phy->read_status(phy, params, | |
3508 | &phy_vars[phy_index]); | |
3509 | if (cur_link_up) { | |
3510 | DP(NETIF_MSG_LINK, "phy in index %d link is up\n", | |
3511 | phy_index); | |
3512 | } else { | |
3513 | DP(NETIF_MSG_LINK, "phy in index %d link is down\n", | |
3514 | phy_index); | |
3515 | continue; | |
3516 | } | |
3517 | ||
3518 | if (!ext_phy_link_up) { | |
3519 | ext_phy_link_up = 1; | |
3520 | active_external_phy = phy_index; | |
3521 | } else { | |
3522 | switch (bnx2x_phy_selection(params)) { | |
3523 | case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT: | |
3524 | case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY: | |
3525 | /* | |
3526 | * In this option, the first PHY makes sure to pass the | |
3527 | * traffic through itself only. | |
3528 | * Its not clear how to reset the link on the second phy | |
3529 | */ | |
3530 | active_external_phy = EXT_PHY1; | |
3531 | break; | |
3532 | case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY: | |
3533 | /* | |
3534 | * In this option, the first PHY makes sure to pass the | |
3535 | * traffic through the second PHY. | |
3536 | */ | |
3537 | active_external_phy = EXT_PHY2; | |
3538 | break; | |
3539 | default: | |
3540 | /* | |
3541 | * Link indication on both PHYs with the following cases | |
3542 | * is invalid: | |
3543 | * - FIRST_PHY means that second phy wasn't initialized, | |
3544 | * hence its link is expected to be down | |
3545 | * - SECOND_PHY means that first phy should not be able | |
3546 | * to link up by itself (using configuration) | |
3547 | * - DEFAULT should be overriden during initialiazation | |
3548 | */ | |
3549 | DP(NETIF_MSG_LINK, "Invalid link indication" | |
3550 | "mpc=0x%x. DISABLING LINK !!!\n", | |
3551 | params->multi_phy_config); | |
3552 | ext_phy_link_up = 0; | |
3553 | break; | |
3554 | } | |
3555 | } | |
3556 | } | |
3557 | prev_line_speed = vars->line_speed; | |
3558 | /* | |
3559 | * Step 2: | |
3560 | * Read the status of the internal phy. In case of | |
3561 | * DIRECT_SINGLE_MEDIA board, this link is the external link, | |
3562 | * otherwise this is the link between the 577xx and the first | |
3563 | * external phy | |
3564 | */ | |
3565 | if (params->phy[INT_PHY].read_status) | |
3566 | params->phy[INT_PHY].read_status( | |
3567 | ¶ms->phy[INT_PHY], | |
3568 | params, vars); | |
3569 | /* | |
3570 | * The INT_PHY flow control reside in the vars. This include the | |
3571 | * case where the speed or flow control are not set to AUTO. | |
3572 | * Otherwise, the active external phy flow control result is set | |
3573 | * to the vars. The ext_phy_line_speed is needed to check if the | |
3574 | * speed is different between the internal phy and external phy. | |
3575 | * This case may be result of intermediate link speed change. | |
3576 | */ | |
3577 | if (active_external_phy > INT_PHY) { | |
3578 | vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl; | |
3579 | /* | |
3580 | * Link speed is taken from the XGXS. AN and FC result from | |
3581 | * the external phy. | |
3582 | */ | |
3583 | vars->link_status |= phy_vars[active_external_phy].link_status; | |
3584 | ||
3585 | /* | |
3586 | * if active_external_phy is first PHY and link is up - disable | |
3587 | * disable TX on second external PHY | |
3588 | */ | |
3589 | if (active_external_phy == EXT_PHY1) { | |
3590 | if (params->phy[EXT_PHY2].phy_specific_func) { | |
3591 | DP(NETIF_MSG_LINK, "Disabling TX on" | |
3592 | " EXT_PHY2\n"); | |
3593 | params->phy[EXT_PHY2].phy_specific_func( | |
3594 | ¶ms->phy[EXT_PHY2], | |
3595 | params, DISABLE_TX); | |
3596 | } | |
3597 | } | |
3598 | ||
3599 | ext_phy_line_speed = phy_vars[active_external_phy].line_speed; | |
3600 | vars->duplex = phy_vars[active_external_phy].duplex; | |
3601 | if (params->phy[active_external_phy].supported & | |
3602 | SUPPORTED_FIBRE) | |
3603 | vars->link_status |= LINK_STATUS_SERDES_LINK; | |
3604 | DP(NETIF_MSG_LINK, "Active external phy selected: %x\n", | |
3605 | active_external_phy); | |
3606 | } | |
3607 | ||
3608 | for (phy_index = EXT_PHY1; phy_index < params->num_phys; | |
3609 | phy_index++) { | |
3610 | if (params->phy[phy_index].flags & | |
3611 | FLAGS_REARM_LATCH_SIGNAL) { | |
3612 | bnx2x_rearm_latch_signal(bp, port, | |
3613 | phy_index == | |
3614 | active_external_phy); | |
3615 | break; | |
3616 | } | |
3617 | } | |
3618 | DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x," | |
3619 | " ext_phy_line_speed = %d\n", vars->flow_ctrl, | |
3620 | vars->link_status, ext_phy_line_speed); | |
3621 | /* | |
3622 | * Upon link speed change set the NIG into drain mode. Comes to | |
3623 | * deals with possible FIFO glitch due to clk change when speed | |
3624 | * is decreased without link down indicator | |
3625 | */ | |
3626 | ||
3627 | if (vars->phy_link_up) { | |
3628 | if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up && | |
3629 | (ext_phy_line_speed != vars->line_speed)) { | |
3630 | DP(NETIF_MSG_LINK, "Internal link speed %d is" | |
3631 | " different than the external" | |
3632 | " link speed %d\n", vars->line_speed, | |
3633 | ext_phy_line_speed); | |
3634 | vars->phy_link_up = 0; | |
3635 | } else if (prev_line_speed != vars->line_speed) { | |
3636 | REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, | |
3637 | 0); | |
3638 | msleep(1); | |
3639 | } | |
3640 | } | |
3641 | ||
3642 | /* anything 10 and over uses the bmac */ | |
3643 | link_10g = ((vars->line_speed == SPEED_10000) || | |
3644 | (vars->line_speed == SPEED_12000) || | |
3645 | (vars->line_speed == SPEED_12500) || | |
3646 | (vars->line_speed == SPEED_13000) || | |
3647 | (vars->line_speed == SPEED_15000) || | |
3648 | (vars->line_speed == SPEED_16000)); | |
3649 | ||
3650 | bnx2x_link_int_ack(params, vars, link_10g); | |
3651 | ||
3652 | /* | |
3653 | * In case external phy link is up, and internal link is down | |
3654 | * (not initialized yet probably after link initialization, it | |
3655 | * needs to be initialized. | |
3656 | * Note that after link down-up as result of cable plug, the xgxs | |
3657 | * link would probably become up again without the need | |
3658 | * initialize it | |
3659 | */ | |
3660 | if (!(SINGLE_MEDIA_DIRECT(params))) { | |
3661 | DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d," | |
3662 | " init_preceding = %d\n", ext_phy_link_up, | |
3663 | vars->phy_link_up, | |
3664 | params->phy[EXT_PHY1].flags & | |
3665 | FLAGS_INIT_XGXS_FIRST); | |
3666 | if (!(params->phy[EXT_PHY1].flags & | |
3667 | FLAGS_INIT_XGXS_FIRST) | |
3668 | && ext_phy_link_up && !vars->phy_link_up) { | |
3669 | vars->line_speed = ext_phy_line_speed; | |
3670 | if (vars->line_speed < SPEED_1000) | |
3671 | vars->phy_flags |= PHY_SGMII_FLAG; | |
3672 | else | |
3673 | vars->phy_flags &= ~PHY_SGMII_FLAG; | |
3674 | bnx2x_init_internal_phy(¶ms->phy[INT_PHY], | |
3675 | params, | |
3676 | vars); | |
3677 | } | |
3678 | } | |
3679 | /* | |
3680 | * Link is up only if both local phy and external phy (in case of | |
3681 | * non-direct board) are up | |
3682 | */ | |
3683 | vars->link_up = (vars->phy_link_up && | |
3684 | (ext_phy_link_up || | |
3685 | SINGLE_MEDIA_DIRECT(params))); | |
3686 | ||
3687 | if (vars->link_up) | |
3688 | rc = bnx2x_update_link_up(params, vars, link_10g); | |
3689 | else | |
3690 | rc = bnx2x_update_link_down(params, vars); | |
3691 | ||
3692 | return rc; | |
3693 | } | |
3694 | ||
3695 | ||
3696 | /*****************************************************************************/ | |
3697 | /* External Phy section */ | |
3698 | /*****************************************************************************/ | |
3699 | void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port) | |
3700 | { | |
3701 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, | |
3702 | MISC_REGISTERS_GPIO_OUTPUT_LOW, port); | |
3703 | msleep(1); | |
3704 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, | |
3705 | MISC_REGISTERS_GPIO_OUTPUT_HIGH, port); | |
3706 | } | |
3707 | ||
3708 | static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port, | |
3709 | u32 spirom_ver, u32 ver_addr) | |
3710 | { | |
3711 | DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n", | |
3712 | (u16)(spirom_ver>>16), (u16)spirom_ver, port); | |
3713 | ||
3714 | if (ver_addr) | |
3715 | REG_WR(bp, ver_addr, spirom_ver); | |
3716 | } | |
3717 | ||
3718 | static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp, | |
3719 | struct bnx2x_phy *phy, | |
3720 | u8 port) | |
3721 | { | |
3722 | u16 fw_ver1, fw_ver2; | |
3723 | ||
3724 | bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, | |
3725 | MDIO_PMA_REG_ROM_VER1, &fw_ver1); | |
3726 | bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, | |
3727 | MDIO_PMA_REG_ROM_VER2, &fw_ver2); | |
3728 | bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2), | |
3729 | phy->ver_addr); | |
3730 | } | |
3731 | ||
3732 | static void bnx2x_ext_phy_set_pause(struct link_params *params, | |
3733 | struct bnx2x_phy *phy, | |
3734 | struct link_vars *vars) | |
3735 | { | |
3736 | u16 val; | |
3737 | struct bnx2x *bp = params->bp; | |
3738 | /* read modify write pause advertizing */ | |
3739 | bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val); | |
3740 | ||
3741 | val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH; | |
3742 | ||
3743 | /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */ | |
3744 | bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); | |
3745 | if ((vars->ieee_fc & | |
3746 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) == | |
3747 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) { | |
3748 | val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC; | |
3749 | } | |
3750 | if ((vars->ieee_fc & | |
3751 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) == | |
3752 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) { | |
3753 | val |= MDIO_AN_REG_ADV_PAUSE_PAUSE; | |
3754 | } | |
3755 | DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val); | |
3756 | bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val); | |
3757 | } | |
3758 | ||
3759 | static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy, | |
3760 | struct link_params *params, | |
3761 | struct link_vars *vars) | |
3762 | { | |
3763 | struct bnx2x *bp = params->bp; | |
3764 | u16 ld_pause; /* local */ | |
3765 | u16 lp_pause; /* link partner */ | |
3766 | u16 pause_result; | |
3767 | u8 ret = 0; | |
3768 | /* read twice */ | |
3769 | ||
3770 | vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; | |
3771 | ||
3772 | if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) | |
3773 | vars->flow_ctrl = phy->req_flow_ctrl; | |
3774 | else if (phy->req_line_speed != SPEED_AUTO_NEG) | |
3775 | vars->flow_ctrl = params->req_fc_auto_adv; | |
3776 | else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) { | |
3777 | ret = 1; | |
3778 | bnx2x_cl45_read(bp, phy, | |
3779 | MDIO_AN_DEVAD, | |
3780 | MDIO_AN_REG_ADV_PAUSE, &ld_pause); | |
3781 | bnx2x_cl45_read(bp, phy, | |
3782 | MDIO_AN_DEVAD, | |
3783 | MDIO_AN_REG_LP_AUTO_NEG, &lp_pause); | |
3784 | pause_result = (ld_pause & | |
3785 | MDIO_AN_REG_ADV_PAUSE_MASK) >> 8; | |
3786 | pause_result |= (lp_pause & | |
3787 | MDIO_AN_REG_ADV_PAUSE_MASK) >> 10; | |
3788 | DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", | |
3789 | pause_result); | |
3790 | bnx2x_pause_resolve(vars, pause_result); | |
3791 | } | |
3792 | return ret; | |
3793 | } | |
3794 | ||
3795 | static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp, | |
3796 | struct bnx2x_phy *phy, | |
3797 | struct link_vars *vars) | |
3798 | { | |
3799 | u16 val; | |
3800 | bnx2x_cl45_read(bp, phy, | |
3801 | MDIO_AN_DEVAD, | |
3802 | MDIO_AN_REG_STATUS, &val); | |
3803 | bnx2x_cl45_read(bp, phy, | |
3804 | MDIO_AN_DEVAD, | |
3805 | MDIO_AN_REG_STATUS, &val); | |
3806 | if (val & (1<<5)) | |
3807 | vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; | |
3808 | if ((val & (1<<0)) == 0) | |
3809 | vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED; | |
3810 | } | |
3811 | ||
3812 | /******************************************************************/ | |
3813 | /* common BCM8073/BCM8727 PHY SECTION */ | |
3814 | /******************************************************************/ | |
3815 | static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy, | |
3816 | struct link_params *params, | |
3817 | struct link_vars *vars) | |
3818 | { | |
3819 | struct bnx2x *bp = params->bp; | |
3820 | if (phy->req_line_speed == SPEED_10 || | |
3821 | phy->req_line_speed == SPEED_100) { | |
3822 | vars->flow_ctrl = phy->req_flow_ctrl; | |
3823 | return; | |
3824 | } | |
3825 | ||
3826 | if (bnx2x_ext_phy_resolve_fc(phy, params, vars) && | |
3827 | (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) { | |
3828 | u16 pause_result; | |
3829 | u16 ld_pause; /* local */ | |
3830 | u16 lp_pause; /* link partner */ | |
3831 | bnx2x_cl45_read(bp, phy, | |
3832 | MDIO_AN_DEVAD, | |
3833 | MDIO_AN_REG_CL37_FC_LD, &ld_pause); | |
3834 | ||
3835 | bnx2x_cl45_read(bp, phy, | |
3836 | MDIO_AN_DEVAD, | |
3837 | MDIO_AN_REG_CL37_FC_LP, &lp_pause); | |
3838 | pause_result = (ld_pause & | |
3839 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5; | |
3840 | pause_result |= (lp_pause & | |
3841 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7; | |
3842 | ||
3843 | bnx2x_pause_resolve(vars, pause_result); | |
3844 | DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n", | |
3845 | pause_result); | |
3846 | } | |
3847 | } | |
3848 | static u8 bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp, | |
3849 | struct bnx2x_phy *phy, | |
3850 | u8 port) | |
3851 | { | |
3852 | u32 count = 0; | |
3853 | u16 fw_ver1, fw_msgout; | |
3854 | u8 rc = 0; | |
3855 | ||
3856 | /* Boot port from external ROM */ | |
3857 | /* EDC grst */ | |
3858 | bnx2x_cl45_write(bp, phy, | |
3859 | MDIO_PMA_DEVAD, | |
3860 | MDIO_PMA_REG_GEN_CTRL, | |
3861 | 0x0001); | |
3862 | ||
3863 | /* ucode reboot and rst */ | |
3864 | bnx2x_cl45_write(bp, phy, | |
3865 | MDIO_PMA_DEVAD, | |
3866 | MDIO_PMA_REG_GEN_CTRL, | |
3867 | 0x008c); | |
3868 | ||
3869 | bnx2x_cl45_write(bp, phy, | |
3870 | MDIO_PMA_DEVAD, | |
3871 | MDIO_PMA_REG_MISC_CTRL1, 0x0001); | |
3872 | ||
3873 | /* Reset internal microprocessor */ | |
3874 | bnx2x_cl45_write(bp, phy, | |
3875 | MDIO_PMA_DEVAD, | |
3876 | MDIO_PMA_REG_GEN_CTRL, | |
3877 | MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET); | |
3878 | ||
3879 | /* Release srst bit */ | |
3880 | bnx2x_cl45_write(bp, phy, | |
3881 | MDIO_PMA_DEVAD, | |
3882 | MDIO_PMA_REG_GEN_CTRL, | |
3883 | MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP); | |
3884 | ||
3885 | /* Delay 100ms per the PHY specifications */ | |
3886 | msleep(100); | |
3887 | ||
3888 | /* 8073 sometimes taking longer to download */ | |
3889 | do { | |
3890 | count++; | |
3891 | if (count > 300) { | |
3892 | DP(NETIF_MSG_LINK, | |
3893 | "bnx2x_8073_8727_external_rom_boot port %x:" | |
3894 | "Download failed. fw version = 0x%x\n", | |
3895 | port, fw_ver1); | |
3896 | rc = -EINVAL; | |
3897 | break; | |
3898 | } | |
3899 | ||
3900 | bnx2x_cl45_read(bp, phy, | |
3901 | MDIO_PMA_DEVAD, | |
3902 | MDIO_PMA_REG_ROM_VER1, &fw_ver1); | |
3903 | bnx2x_cl45_read(bp, phy, | |
3904 | MDIO_PMA_DEVAD, | |
3905 | MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout); | |
3906 | ||
3907 | msleep(1); | |
3908 | } while (fw_ver1 == 0 || fw_ver1 == 0x4321 || | |
3909 | ((fw_msgout & 0xff) != 0x03 && (phy->type == | |
3910 | PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))); | |
3911 | ||
3912 | /* Clear ser_boot_ctl bit */ | |
3913 | bnx2x_cl45_write(bp, phy, | |
3914 | MDIO_PMA_DEVAD, | |
3915 | MDIO_PMA_REG_MISC_CTRL1, 0x0000); | |
3916 | bnx2x_save_bcm_spirom_ver(bp, phy, port); | |
3917 | ||
3918 | DP(NETIF_MSG_LINK, | |
3919 | "bnx2x_8073_8727_external_rom_boot port %x:" | |
3920 | "Download complete. fw version = 0x%x\n", | |
3921 | port, fw_ver1); | |
3922 | ||
3923 | return rc; | |
3924 | } | |
3925 | ||
3926 | /******************************************************************/ | |
3927 | /* BCM8073 PHY SECTION */ | |
3928 | /******************************************************************/ | |
3929 | static u8 bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy) | |
3930 | { | |
3931 | /* This is only required for 8073A1, version 102 only */ | |
3932 | u16 val; | |
3933 | ||
3934 | /* Read 8073 HW revision*/ | |
3935 | bnx2x_cl45_read(bp, phy, | |
3936 | MDIO_PMA_DEVAD, | |
3937 | MDIO_PMA_REG_8073_CHIP_REV, &val); | |
3938 | ||
3939 | if (val != 1) { | |
3940 | /* No need to workaround in 8073 A1 */ | |
3941 | return 0; | |
3942 | } | |
3943 | ||
3944 | bnx2x_cl45_read(bp, phy, | |
3945 | MDIO_PMA_DEVAD, | |
3946 | MDIO_PMA_REG_ROM_VER2, &val); | |
3947 | ||
3948 | /* SNR should be applied only for version 0x102 */ | |
3949 | if (val != 0x102) | |
3950 | return 0; | |
3951 | ||
3952 | return 1; | |
3953 | } | |
3954 | ||
3955 | static u8 bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy) | |
3956 | { | |
3957 | u16 val, cnt, cnt1 ; | |
3958 | ||
3959 | bnx2x_cl45_read(bp, phy, | |
3960 | MDIO_PMA_DEVAD, | |
3961 | MDIO_PMA_REG_8073_CHIP_REV, &val); | |
3962 | ||
3963 | if (val > 0) { | |
3964 | /* No need to workaround in 8073 A1 */ | |
3965 | return 0; | |
3966 | } | |
3967 | /* XAUI workaround in 8073 A0: */ | |
3968 | ||
3969 | /* | |
3970 | * After loading the boot ROM and restarting Autoneg, poll | |
3971 | * Dev1, Reg $C820: | |
3972 | */ | |
3973 | ||
3974 | for (cnt = 0; cnt < 1000; cnt++) { | |
3975 | bnx2x_cl45_read(bp, phy, | |
3976 | MDIO_PMA_DEVAD, | |
3977 | MDIO_PMA_REG_8073_SPEED_LINK_STATUS, | |
3978 | &val); | |
3979 | /* | |
3980 | * If bit [14] = 0 or bit [13] = 0, continue on with | |
3981 | * system initialization (XAUI work-around not required, as | |
3982 | * these bits indicate 2.5G or 1G link up). | |
3983 | */ | |
3984 | if (!(val & (1<<14)) || !(val & (1<<13))) { | |
3985 | DP(NETIF_MSG_LINK, "XAUI work-around not required\n"); | |
3986 | return 0; | |
3987 | } else if (!(val & (1<<15))) { | |
3988 | DP(NETIF_MSG_LINK, "bit 15 went off\n"); | |
3989 | /* | |
3990 | * If bit 15 is 0, then poll Dev1, Reg $C841 until it's | |
3991 | * MSB (bit15) goes to 1 (indicating that the XAUI | |
3992 | * workaround has completed), then continue on with | |
3993 | * system initialization. | |
3994 | */ | |
3995 | for (cnt1 = 0; cnt1 < 1000; cnt1++) { | |
3996 | bnx2x_cl45_read(bp, phy, | |
3997 | MDIO_PMA_DEVAD, | |
3998 | MDIO_PMA_REG_8073_XAUI_WA, &val); | |
3999 | if (val & (1<<15)) { | |
4000 | DP(NETIF_MSG_LINK, | |
4001 | "XAUI workaround has completed\n"); | |
4002 | return 0; | |
4003 | } | |
4004 | msleep(3); | |
4005 | } | |
4006 | break; | |
4007 | } | |
4008 | msleep(3); | |
4009 | } | |
4010 | DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n"); | |
4011 | return -EINVAL; | |
4012 | } | |
4013 | ||
4014 | static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy) | |
4015 | { | |
4016 | /* Force KR or KX */ | |
4017 | bnx2x_cl45_write(bp, phy, | |
4018 | MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040); | |
4019 | bnx2x_cl45_write(bp, phy, | |
4020 | MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b); | |
4021 | bnx2x_cl45_write(bp, phy, | |
4022 | MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000); | |
4023 | bnx2x_cl45_write(bp, phy, | |
4024 | MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000); | |
4025 | } | |
4026 | ||
4027 | static void bnx2x_8073_set_pause_cl37(struct link_params *params, | |
4028 | struct bnx2x_phy *phy, | |
4029 | struct link_vars *vars) | |
4030 | { | |
4031 | u16 cl37_val; | |
4032 | struct bnx2x *bp = params->bp; | |
4033 | bnx2x_cl45_read(bp, phy, | |
4034 | MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val); | |
4035 | ||
4036 | cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; | |
4037 | /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */ | |
4038 | bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); | |
4039 | if ((vars->ieee_fc & | |
4040 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) == | |
4041 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) { | |
4042 | cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC; | |
4043 | } | |
4044 | if ((vars->ieee_fc & | |
4045 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) == | |
4046 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) { | |
4047 | cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; | |
4048 | } | |
4049 | if ((vars->ieee_fc & | |
4050 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) == | |
4051 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) { | |
4052 | cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; | |
4053 | } | |
4054 | DP(NETIF_MSG_LINK, | |
4055 | "Ext phy AN advertize cl37 0x%x\n", cl37_val); | |
4056 | ||
4057 | bnx2x_cl45_write(bp, phy, | |
4058 | MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val); | |
4059 | msleep(500); | |
4060 | } | |
4061 | ||
4062 | static u8 bnx2x_8073_config_init(struct bnx2x_phy *phy, | |
4063 | struct link_params *params, | |
4064 | struct link_vars *vars) | |
4065 | { | |
4066 | struct bnx2x *bp = params->bp; | |
4067 | u16 val = 0, tmp1; | |
4068 | u8 gpio_port; | |
4069 | DP(NETIF_MSG_LINK, "Init 8073\n"); | |
4070 | ||
4071 | if (CHIP_IS_E2(bp)) | |
4072 | gpio_port = BP_PATH(bp); | |
4073 | else | |
4074 | gpio_port = params->port; | |
4075 | /* Restore normal power mode*/ | |
4076 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, | |
4077 | MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port); | |
4078 | ||
4079 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, | |
4080 | MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port); | |
4081 | ||
4082 | /* enable LASI */ | |
4083 | bnx2x_cl45_write(bp, phy, | |
4084 | MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, (1<<2)); | |
4085 | bnx2x_cl45_write(bp, phy, | |
4086 | MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x0004); | |
4087 | ||
4088 | bnx2x_8073_set_pause_cl37(params, phy, vars); | |
4089 | ||
4090 | bnx2x_cl45_read(bp, phy, | |
4091 | MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1); | |
4092 | ||
4093 | bnx2x_cl45_read(bp, phy, | |
4094 | MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1); | |
4095 | ||
4096 | DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1); | |
4097 | ||
4098 | /* Swap polarity if required - Must be done only in non-1G mode */ | |
4099 | if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) { | |
4100 | /* Configure the 8073 to swap _P and _N of the KR lines */ | |
4101 | DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n"); | |
4102 | /* 10G Rx/Tx and 1G Tx signal polarity swap */ | |
4103 | bnx2x_cl45_read(bp, phy, | |
4104 | MDIO_PMA_DEVAD, | |
4105 | MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val); | |
4106 | bnx2x_cl45_write(bp, phy, | |
4107 | MDIO_PMA_DEVAD, | |
4108 | MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, | |
4109 | (val | (3<<9))); | |
4110 | } | |
4111 | ||
4112 | ||
4113 | /* Enable CL37 BAM */ | |
4114 | if (REG_RD(bp, params->shmem_base + | |
4115 | offsetof(struct shmem_region, dev_info. | |
4116 | port_hw_config[params->port].default_cfg)) & | |
4117 | PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) { | |
4118 | ||
4119 | bnx2x_cl45_read(bp, phy, | |
4120 | MDIO_AN_DEVAD, | |
4121 | MDIO_AN_REG_8073_BAM, &val); | |
4122 | bnx2x_cl45_write(bp, phy, | |
4123 | MDIO_AN_DEVAD, | |
4124 | MDIO_AN_REG_8073_BAM, val | 1); | |
4125 | DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n"); | |
4126 | } | |
4127 | if (params->loopback_mode == LOOPBACK_EXT) { | |
4128 | bnx2x_807x_force_10G(bp, phy); | |
4129 | DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n"); | |
4130 | return 0; | |
4131 | } else { | |
4132 | bnx2x_cl45_write(bp, phy, | |
4133 | MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002); | |
4134 | } | |
4135 | if (phy->req_line_speed != SPEED_AUTO_NEG) { | |
4136 | if (phy->req_line_speed == SPEED_10000) { | |
4137 | val = (1<<7); | |
4138 | } else if (phy->req_line_speed == SPEED_2500) { | |
4139 | val = (1<<5); | |
4140 | /* | |
4141 | * Note that 2.5G works only when used with 1G | |
4142 | * advertisement | |
4143 | */ | |
4144 | } else | |
4145 | val = (1<<5); | |
4146 | } else { | |
4147 | val = 0; | |
4148 | if (phy->speed_cap_mask & | |
4149 | PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) | |
4150 | val |= (1<<7); | |
4151 | ||
4152 | /* Note that 2.5G works only when used with 1G advertisement */ | |
4153 | if (phy->speed_cap_mask & | |
4154 | (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G | | |
4155 | PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)) | |
4156 | val |= (1<<5); | |
4157 | DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val); | |
4158 | } | |
4159 | ||
4160 | bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val); | |
4161 | bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1); | |
4162 | ||
4163 | if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) && | |
4164 | (phy->req_line_speed == SPEED_AUTO_NEG)) || | |
4165 | (phy->req_line_speed == SPEED_2500)) { | |
4166 | u16 phy_ver; | |
4167 | /* Allow 2.5G for A1 and above */ | |
4168 | bnx2x_cl45_read(bp, phy, | |
4169 | MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV, | |
4170 | &phy_ver); | |
4171 | DP(NETIF_MSG_LINK, "Add 2.5G\n"); | |
4172 | if (phy_ver > 0) | |
4173 | tmp1 |= 1; | |
4174 | else | |
4175 | tmp1 &= 0xfffe; | |
4176 | } else { | |
4177 | DP(NETIF_MSG_LINK, "Disable 2.5G\n"); | |
4178 | tmp1 &= 0xfffe; | |
4179 | } | |
4180 | ||
4181 | bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1); | |
4182 | /* Add support for CL37 (passive mode) II */ | |
4183 | ||
4184 | bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1); | |
4185 | bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, | |
4186 | (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ? | |
4187 | 0x20 : 0x40))); | |
4188 | ||
4189 | /* Add support for CL37 (passive mode) III */ | |
4190 | bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000); | |
4191 | ||
4192 | /* | |
4193 | * The SNR will improve about 2db by changing BW and FEE main | |
4194 | * tap. Rest commands are executed after link is up | |
4195 | * Change FFE main cursor to 5 in EDC register | |
4196 | */ | |
4197 | if (bnx2x_8073_is_snr_needed(bp, phy)) | |
4198 | bnx2x_cl45_write(bp, phy, | |
4199 | MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN, | |
4200 | 0xFB0C); | |
4201 | ||
4202 | /* Enable FEC (Forware Error Correction) Request in the AN */ | |
4203 | bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1); | |
4204 | tmp1 |= (1<<15); | |
4205 | bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1); | |
4206 | ||
4207 | bnx2x_ext_phy_set_pause(params, phy, vars); | |
4208 | ||
4209 | /* Restart autoneg */ | |
4210 | msleep(500); | |
4211 | bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200); | |
4212 | DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n", | |
4213 | ((val & (1<<5)) > 0), ((val & (1<<7)) > 0)); | |
4214 | return 0; | |
4215 | } | |
4216 | ||
4217 | static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy, | |
4218 | struct link_params *params, | |
4219 | struct link_vars *vars) | |
4220 | { | |
4221 | struct bnx2x *bp = params->bp; | |
4222 | u8 link_up = 0; | |
4223 | u16 val1, val2; | |
4224 | u16 link_status = 0; | |
4225 | u16 an1000_status = 0; | |
4226 | ||
4227 | bnx2x_cl45_read(bp, phy, | |
4228 | MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1); | |
4229 | ||
4230 | DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1); | |
4231 | ||
4232 | /* clear the interrupt LASI status register */ | |
4233 | bnx2x_cl45_read(bp, phy, | |
4234 | MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2); | |
4235 | bnx2x_cl45_read(bp, phy, | |
4236 | MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1); | |
4237 | DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1); | |
4238 | /* Clear MSG-OUT */ | |
4239 | bnx2x_cl45_read(bp, phy, | |
4240 | MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1); | |
4241 | ||
4242 | /* Check the LASI */ | |
4243 | bnx2x_cl45_read(bp, phy, | |
4244 | MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2); | |
4245 | ||
4246 | DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2); | |
4247 | ||
4248 | /* Check the link status */ | |
4249 | bnx2x_cl45_read(bp, phy, | |
4250 | MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2); | |
4251 | DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2); | |
4252 | ||
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 | link_up = ((val1 & 4) == 4); | |
4258 | DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1); | |
4259 | ||
4260 | if (link_up && | |
4261 | ((phy->req_line_speed != SPEED_10000))) { | |
4262 | if (bnx2x_8073_xaui_wa(bp, phy) != 0) | |
4263 | return 0; | |
4264 | } | |
4265 | bnx2x_cl45_read(bp, phy, | |
4266 | MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status); | |
4267 | bnx2x_cl45_read(bp, phy, | |
4268 | MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status); | |
4269 | ||
4270 | /* Check the link status on 1.1.2 */ | |
4271 | bnx2x_cl45_read(bp, phy, | |
4272 | MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2); | |
4273 | bnx2x_cl45_read(bp, phy, | |
4274 | MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1); | |
4275 | DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x," | |
4276 | "an_link_status=0x%x\n", val2, val1, an1000_status); | |
4277 | ||
4278 | link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1))); | |
4279 | if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) { | |
4280 | /* | |
4281 | * The SNR will improve about 2dbby changing the BW and FEE main | |
4282 | * tap. The 1st write to change FFE main tap is set before | |
4283 | * restart AN. Change PLL Bandwidth in EDC register | |
4284 | */ | |
4285 | bnx2x_cl45_write(bp, phy, | |
4286 | MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH, | |
4287 | 0x26BC); | |
4288 | ||
4289 | /* Change CDR Bandwidth in EDC register */ | |
4290 | bnx2x_cl45_write(bp, phy, | |
4291 | MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH, | |
4292 | 0x0333); | |
4293 | } | |
4294 | bnx2x_cl45_read(bp, phy, | |
4295 | MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS, | |
4296 | &link_status); | |
4297 | ||
4298 | /* Bits 0..2 --> speed detected, bits 13..15--> link is down */ | |
4299 | if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) { | |
4300 | link_up = 1; | |
4301 | vars->line_speed = SPEED_10000; | |
4302 | DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n", | |
4303 | params->port); | |
4304 | } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) { | |
4305 | link_up = 1; | |
4306 | vars->line_speed = SPEED_2500; | |
4307 | DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n", | |
4308 | params->port); | |
4309 | } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) { | |
4310 | link_up = 1; | |
4311 | vars->line_speed = SPEED_1000; | |
4312 | DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n", | |
4313 | params->port); | |
4314 | } else { | |
4315 | link_up = 0; | |
4316 | DP(NETIF_MSG_LINK, "port %x: External link is down\n", | |
4317 | params->port); | |
4318 | } | |
4319 | ||
4320 | if (link_up) { | |
4321 | /* Swap polarity if required */ | |
4322 | if (params->lane_config & | |
4323 | PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) { | |
4324 | /* Configure the 8073 to swap P and N of the KR lines */ | |
4325 | bnx2x_cl45_read(bp, phy, | |
4326 | MDIO_XS_DEVAD, | |
4327 | MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1); | |
4328 | /* | |
4329 | * Set bit 3 to invert Rx in 1G mode and clear this bit | |
4330 | * when it`s in 10G mode. | |
4331 | */ | |
4332 | if (vars->line_speed == SPEED_1000) { | |
4333 | DP(NETIF_MSG_LINK, "Swapping 1G polarity for" | |
4334 | "the 8073\n"); | |
4335 | val1 |= (1<<3); | |
4336 | } else | |
4337 | val1 &= ~(1<<3); | |
4338 | ||
4339 | bnx2x_cl45_write(bp, phy, | |
4340 | MDIO_XS_DEVAD, | |
4341 | MDIO_XS_REG_8073_RX_CTRL_PCIE, | |
4342 | val1); | |
4343 | } | |
4344 | bnx2x_ext_phy_10G_an_resolve(bp, phy, vars); | |
4345 | bnx2x_8073_resolve_fc(phy, params, vars); | |
4346 | vars->duplex = DUPLEX_FULL; | |
4347 | } | |
4348 | return link_up; | |
4349 | } | |
4350 | ||
4351 | static void bnx2x_8073_link_reset(struct bnx2x_phy *phy, | |
4352 | struct link_params *params) | |
4353 | { | |
4354 | struct bnx2x *bp = params->bp; | |
4355 | u8 gpio_port; | |
4356 | if (CHIP_IS_E2(bp)) | |
4357 | gpio_port = BP_PATH(bp); | |
4358 | else | |
4359 | gpio_port = params->port; | |
4360 | DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n", | |
4361 | gpio_port); | |
4362 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, | |
4363 | MISC_REGISTERS_GPIO_OUTPUT_LOW, | |
4364 | gpio_port); | |
4365 | } | |
4366 | ||
4367 | /******************************************************************/ | |
4368 | /* BCM8705 PHY SECTION */ | |
4369 | /******************************************************************/ | |
4370 | static u8 bnx2x_8705_config_init(struct bnx2x_phy *phy, | |
4371 | struct link_params *params, | |
4372 | struct link_vars *vars) | |
4373 | { | |
4374 | struct bnx2x *bp = params->bp; | |
4375 | DP(NETIF_MSG_LINK, "init 8705\n"); | |
4376 | /* Restore normal power mode*/ | |
4377 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, | |
4378 | MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); | |
4379 | /* HW reset */ | |
4380 | bnx2x_ext_phy_hw_reset(bp, params->port); | |
4381 | bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040); | |
4382 | bnx2x_wait_reset_complete(bp, phy, params); | |
4383 | ||
4384 | bnx2x_cl45_write(bp, phy, | |
4385 | MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288); | |
4386 | bnx2x_cl45_write(bp, phy, | |
4387 | MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf); | |
4388 | bnx2x_cl45_write(bp, phy, | |
4389 | MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100); | |
4390 | bnx2x_cl45_write(bp, phy, | |
4391 | MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1); | |
4392 | /* BCM8705 doesn't have microcode, hence the 0 */ | |
4393 | bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0); | |
4394 | return 0; | |
4395 | } | |
4396 | ||
4397 | static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy, | |
4398 | struct link_params *params, | |
4399 | struct link_vars *vars) | |
4400 | { | |
4401 | u8 link_up = 0; | |
4402 | u16 val1, rx_sd; | |
4403 | struct bnx2x *bp = params->bp; | |
4404 | DP(NETIF_MSG_LINK, "read status 8705\n"); | |
4405 | bnx2x_cl45_read(bp, phy, | |
4406 | MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1); | |
4407 | DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1); | |
4408 | ||
4409 | bnx2x_cl45_read(bp, phy, | |
4410 | MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1); | |
4411 | DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1); | |
4412 | ||
4413 | bnx2x_cl45_read(bp, phy, | |
4414 | MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd); | |
4415 | ||
4416 | bnx2x_cl45_read(bp, phy, | |
4417 | MDIO_PMA_DEVAD, 0xc809, &val1); | |
4418 | bnx2x_cl45_read(bp, phy, | |
4419 | MDIO_PMA_DEVAD, 0xc809, &val1); | |
4420 | ||
4421 | DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1); | |
4422 | link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0)); | |
4423 | if (link_up) { | |
4424 | vars->line_speed = SPEED_10000; | |
4425 | bnx2x_ext_phy_resolve_fc(phy, params, vars); | |
4426 | } | |
4427 | return link_up; | |
4428 | } | |
4429 | ||
4430 | /******************************************************************/ | |
4431 | /* SFP+ module Section */ | |
4432 | /******************************************************************/ | |
4433 | static u8 bnx2x_get_gpio_port(struct link_params *params) | |
4434 | { | |
4435 | u8 gpio_port; | |
4436 | u32 swap_val, swap_override; | |
4437 | struct bnx2x *bp = params->bp; | |
4438 | if (CHIP_IS_E2(bp)) | |
4439 | gpio_port = BP_PATH(bp); | |
4440 | else | |
4441 | gpio_port = params->port; | |
4442 | swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); | |
4443 | swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); | |
4444 | return gpio_port ^ (swap_val && swap_override); | |
4445 | } | |
4446 | static void bnx2x_sfp_set_transmitter(struct link_params *params, | |
4447 | struct bnx2x_phy *phy, | |
4448 | u8 tx_en) | |
4449 | { | |
4450 | u16 val; | |
4451 | u8 port = params->port; | |
4452 | struct bnx2x *bp = params->bp; | |
4453 | u32 tx_en_mode; | |
4454 | ||
4455 | /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/ | |
4456 | tx_en_mode = REG_RD(bp, params->shmem_base + | |
4457 | offsetof(struct shmem_region, | |
4458 | dev_info.port_hw_config[port].sfp_ctrl)) & | |
4459 | PORT_HW_CFG_TX_LASER_MASK; | |
4460 | DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x " | |
4461 | "mode = %x\n", tx_en, port, tx_en_mode); | |
4462 | switch (tx_en_mode) { | |
4463 | case PORT_HW_CFG_TX_LASER_MDIO: | |
4464 | ||
4465 | bnx2x_cl45_read(bp, phy, | |
4466 | MDIO_PMA_DEVAD, | |
4467 | MDIO_PMA_REG_PHY_IDENTIFIER, | |
4468 | &val); | |
4469 | ||
4470 | if (tx_en) | |
4471 | val &= ~(1<<15); | |
4472 | else | |
4473 | val |= (1<<15); | |
4474 | ||
4475 | bnx2x_cl45_write(bp, phy, | |
4476 | MDIO_PMA_DEVAD, | |
4477 | MDIO_PMA_REG_PHY_IDENTIFIER, | |
4478 | val); | |
4479 | break; | |
4480 | case PORT_HW_CFG_TX_LASER_GPIO0: | |
4481 | case PORT_HW_CFG_TX_LASER_GPIO1: | |
4482 | case PORT_HW_CFG_TX_LASER_GPIO2: | |
4483 | case PORT_HW_CFG_TX_LASER_GPIO3: | |
4484 | { | |
4485 | u16 gpio_pin; | |
4486 | u8 gpio_port, gpio_mode; | |
4487 | if (tx_en) | |
4488 | gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH; | |
4489 | else | |
4490 | gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW; | |
4491 | ||
4492 | gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0; | |
4493 | gpio_port = bnx2x_get_gpio_port(params); | |
4494 | bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port); | |
4495 | break; | |
4496 | } | |
4497 | default: | |
4498 | DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode); | |
4499 | break; | |
4500 | } | |
4501 | } | |
4502 | ||
4503 | static u8 bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy, | |
4504 | struct link_params *params, | |
4505 | u16 addr, u8 byte_cnt, u8 *o_buf) | |
4506 | { | |
4507 | struct bnx2x *bp = params->bp; | |
4508 | u16 val = 0; | |
4509 | u16 i; | |
4510 | if (byte_cnt > 16) { | |
4511 | DP(NETIF_MSG_LINK, "Reading from eeprom is" | |
4512 | " is limited to 0xf\n"); | |
4513 | return -EINVAL; | |
4514 | } | |
4515 | /* Set the read command byte count */ | |
4516 | bnx2x_cl45_write(bp, phy, | |
4517 | MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT, | |
4518 | (byte_cnt | 0xa000)); | |
4519 | ||
4520 | /* Set the read command address */ | |
4521 | bnx2x_cl45_write(bp, phy, | |
4522 | MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR, | |
4523 | addr); | |
4524 | ||
4525 | /* Activate read command */ | |
4526 | bnx2x_cl45_write(bp, phy, | |
4527 | MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, | |
4528 | 0x2c0f); | |
4529 | ||
4530 | /* Wait up to 500us for command complete status */ | |
4531 | for (i = 0; i < 100; i++) { | |
4532 | bnx2x_cl45_read(bp, phy, | |
4533 | MDIO_PMA_DEVAD, | |
4534 | MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); | |
4535 | if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == | |
4536 | MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) | |
4537 | break; | |
4538 | udelay(5); | |
4539 | } | |
4540 | ||
4541 | if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) != | |
4542 | MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) { | |
4543 | DP(NETIF_MSG_LINK, | |
4544 | "Got bad status 0x%x when reading from SFP+ EEPROM\n", | |
4545 | (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK)); | |
4546 | return -EINVAL; | |
4547 | } | |
4548 | ||
4549 | /* Read the buffer */ | |
4550 | for (i = 0; i < byte_cnt; i++) { | |
4551 | bnx2x_cl45_read(bp, phy, | |
4552 | MDIO_PMA_DEVAD, | |
4553 | MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val); | |
4554 | o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK); | |
4555 | } | |
4556 | ||
4557 | for (i = 0; i < 100; i++) { | |
4558 | bnx2x_cl45_read(bp, phy, | |
4559 | MDIO_PMA_DEVAD, | |
4560 | MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); | |
4561 | if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == | |
4562 | MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE) | |
4563 | return 0; | |
4564 | msleep(1); | |
4565 | } | |
4566 | return -EINVAL; | |
4567 | } | |
4568 | ||
4569 | static u8 bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy, | |
4570 | struct link_params *params, | |
4571 | u16 addr, u8 byte_cnt, u8 *o_buf) | |
4572 | { | |
4573 | struct bnx2x *bp = params->bp; | |
4574 | u16 val, i; | |
4575 | ||
4576 | if (byte_cnt > 16) { | |
4577 | DP(NETIF_MSG_LINK, "Reading from eeprom is" | |
4578 | " is limited to 0xf\n"); | |
4579 | return -EINVAL; | |
4580 | } | |
4581 | ||
4582 | /* Need to read from 1.8000 to clear it */ | |
4583 | bnx2x_cl45_read(bp, phy, | |
4584 | MDIO_PMA_DEVAD, | |
4585 | MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, | |
4586 | &val); | |
4587 | ||
4588 | /* Set the read command byte count */ | |
4589 | bnx2x_cl45_write(bp, phy, | |
4590 | MDIO_PMA_DEVAD, | |
4591 | MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT, | |
4592 | ((byte_cnt < 2) ? 2 : byte_cnt)); | |
4593 | ||
4594 | /* Set the read command address */ | |
4595 | bnx2x_cl45_write(bp, phy, | |
4596 | MDIO_PMA_DEVAD, | |
4597 | MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR, | |
4598 | addr); | |
4599 | /* Set the destination address */ | |
4600 | bnx2x_cl45_write(bp, phy, | |
4601 | MDIO_PMA_DEVAD, | |
4602 | 0x8004, | |
4603 | MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF); | |
4604 | ||
4605 | /* Activate read command */ | |
4606 | bnx2x_cl45_write(bp, phy, | |
4607 | MDIO_PMA_DEVAD, | |
4608 | MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, | |
4609 | 0x8002); | |
4610 | /* | |
4611 | * Wait appropriate time for two-wire command to finish before | |
4612 | * polling the status register | |
4613 | */ | |
4614 | msleep(1); | |
4615 | ||
4616 | /* Wait up to 500us for command complete status */ | |
4617 | for (i = 0; i < 100; i++) { | |
4618 | bnx2x_cl45_read(bp, phy, | |
4619 | MDIO_PMA_DEVAD, | |
4620 | MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); | |
4621 | if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == | |
4622 | MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) | |
4623 | break; | |
4624 | udelay(5); | |
4625 | } | |
4626 | ||
4627 | if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) != | |
4628 | MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) { | |
4629 | DP(NETIF_MSG_LINK, | |
4630 | "Got bad status 0x%x when reading from SFP+ EEPROM\n", | |
4631 | (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK)); | |
4632 | return -EFAULT; | |
4633 | } | |
4634 | ||
4635 | /* Read the buffer */ | |
4636 | for (i = 0; i < byte_cnt; i++) { | |
4637 | bnx2x_cl45_read(bp, phy, | |
4638 | MDIO_PMA_DEVAD, | |
4639 | MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val); | |
4640 | o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK); | |
4641 | } | |
4642 | ||
4643 | for (i = 0; i < 100; i++) { | |
4644 | bnx2x_cl45_read(bp, phy, | |
4645 | MDIO_PMA_DEVAD, | |
4646 | MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); | |
4647 | if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == | |
4648 | MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE) | |
4649 | return 0; | |
4650 | msleep(1); | |
4651 | } | |
4652 | ||
4653 | return -EINVAL; | |
4654 | } | |
4655 | ||
4656 | u8 bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy, | |
4657 | struct link_params *params, u16 addr, | |
4658 | u8 byte_cnt, u8 *o_buf) | |
4659 | { | |
4660 | if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) | |
4661 | return bnx2x_8726_read_sfp_module_eeprom(phy, params, addr, | |
4662 | byte_cnt, o_buf); | |
4663 | else if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) | |
4664 | return bnx2x_8727_read_sfp_module_eeprom(phy, params, addr, | |
4665 | byte_cnt, o_buf); | |
4666 | return -EINVAL; | |
4667 | } | |
4668 | ||
4669 | static u8 bnx2x_get_edc_mode(struct bnx2x_phy *phy, | |
4670 | struct link_params *params, | |
4671 | u16 *edc_mode) | |
4672 | { | |
4673 | struct bnx2x *bp = params->bp; | |
4674 | u8 val, check_limiting_mode = 0; | |
4675 | *edc_mode = EDC_MODE_LIMITING; | |
4676 | ||
4677 | /* First check for copper cable */ | |
4678 | if (bnx2x_read_sfp_module_eeprom(phy, | |
4679 | params, | |
4680 | SFP_EEPROM_CON_TYPE_ADDR, | |
4681 | 1, | |
4682 | &val) != 0) { | |
4683 | DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n"); | |
4684 | return -EINVAL; | |
4685 | } | |
4686 | ||
4687 | switch (val) { | |
4688 | case SFP_EEPROM_CON_TYPE_VAL_COPPER: | |
4689 | { | |
4690 | u8 copper_module_type; | |
4691 | ||
4692 | /* | |
4693 | * Check if its active cable (includes SFP+ module) | |
4694 | * of passive cable | |
4695 | */ | |
4696 | if (bnx2x_read_sfp_module_eeprom(phy, | |
4697 | params, | |
4698 | SFP_EEPROM_FC_TX_TECH_ADDR, | |
4699 | 1, | |
4700 | &copper_module_type) != | |
4701 | 0) { | |
4702 | DP(NETIF_MSG_LINK, | |
4703 | "Failed to read copper-cable-type" | |
4704 | " from SFP+ EEPROM\n"); | |
4705 | return -EINVAL; | |
4706 | } | |
4707 | ||
4708 | if (copper_module_type & | |
4709 | SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) { | |
4710 | DP(NETIF_MSG_LINK, "Active Copper cable detected\n"); | |
4711 | check_limiting_mode = 1; | |
4712 | } else if (copper_module_type & | |
4713 | SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) { | |
4714 | DP(NETIF_MSG_LINK, "Passive Copper" | |
4715 | " cable detected\n"); | |
4716 | *edc_mode = | |
4717 | EDC_MODE_PASSIVE_DAC; | |
4718 | } else { | |
4719 | DP(NETIF_MSG_LINK, "Unknown copper-cable-" | |
4720 | "type 0x%x !!!\n", copper_module_type); | |
4721 | return -EINVAL; | |
4722 | } | |
4723 | break; | |
4724 | } | |
4725 | case SFP_EEPROM_CON_TYPE_VAL_LC: | |
4726 | DP(NETIF_MSG_LINK, "Optic module detected\n"); | |
4727 | check_limiting_mode = 1; | |
4728 | break; | |
4729 | default: | |
4730 | DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n", | |
4731 | val); | |
4732 | return -EINVAL; | |
4733 | } | |
4734 | ||
4735 | if (check_limiting_mode) { | |
4736 | u8 options[SFP_EEPROM_OPTIONS_SIZE]; | |
4737 | if (bnx2x_read_sfp_module_eeprom(phy, | |
4738 | params, | |
4739 | SFP_EEPROM_OPTIONS_ADDR, | |
4740 | SFP_EEPROM_OPTIONS_SIZE, | |
4741 | options) != 0) { | |
4742 | DP(NETIF_MSG_LINK, "Failed to read Option" | |
4743 | " field from module EEPROM\n"); | |
4744 | return -EINVAL; | |
4745 | } | |
4746 | if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK)) | |
4747 | *edc_mode = EDC_MODE_LINEAR; | |
4748 | else | |
4749 | *edc_mode = EDC_MODE_LIMITING; | |
4750 | } | |
4751 | DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode); | |
4752 | return 0; | |
4753 | } | |
4754 | /* | |
4755 | * This function read the relevant field from the module (SFP+), and verify it | |
4756 | * is compliant with this board | |
4757 | */ | |
4758 | static u8 bnx2x_verify_sfp_module(struct bnx2x_phy *phy, | |
4759 | struct link_params *params) | |
4760 | { | |
4761 | struct bnx2x *bp = params->bp; | |
4762 | u32 val, cmd; | |
4763 | u32 fw_resp, fw_cmd_param; | |
4764 | char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1]; | |
4765 | char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1]; | |
4766 | phy->flags &= ~FLAGS_SFP_NOT_APPROVED; | |
4767 | val = REG_RD(bp, params->shmem_base + | |
4768 | offsetof(struct shmem_region, dev_info. | |
4769 | port_feature_config[params->port].config)); | |
4770 | if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == | |
4771 | PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) { | |
4772 | DP(NETIF_MSG_LINK, "NOT enforcing module verification\n"); | |
4773 | return 0; | |
4774 | } | |
4775 | ||
4776 | if (params->feature_config_flags & | |
4777 | FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) { | |
4778 | /* Use specific phy request */ | |
4779 | cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL; | |
4780 | } else if (params->feature_config_flags & | |
4781 | FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) { | |
4782 | /* Use first phy request only in case of non-dual media*/ | |
4783 | if (DUAL_MEDIA(params)) { | |
4784 | DP(NETIF_MSG_LINK, "FW does not support OPT MDL " | |
4785 | "verification\n"); | |
4786 | return -EINVAL; | |
4787 | } | |
4788 | cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL; | |
4789 | } else { | |
4790 | /* No support in OPT MDL detection */ | |
4791 | DP(NETIF_MSG_LINK, "FW does not support OPT MDL " | |
4792 | "verification\n"); | |
4793 | return -EINVAL; | |
4794 | } | |
4795 | ||
4796 | fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl); | |
4797 | fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param); | |
4798 | if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) { | |
4799 | DP(NETIF_MSG_LINK, "Approved module\n"); | |
4800 | return 0; | |
4801 | } | |
4802 | ||
4803 | /* format the warning message */ | |
4804 | if (bnx2x_read_sfp_module_eeprom(phy, | |
4805 | params, | |
4806 | SFP_EEPROM_VENDOR_NAME_ADDR, | |
4807 | SFP_EEPROM_VENDOR_NAME_SIZE, | |
4808 | (u8 *)vendor_name)) | |
4809 | vendor_name[0] = '\0'; | |
4810 | else | |
4811 | vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0'; | |
4812 | if (bnx2x_read_sfp_module_eeprom(phy, | |
4813 | params, | |
4814 | SFP_EEPROM_PART_NO_ADDR, | |
4815 | SFP_EEPROM_PART_NO_SIZE, | |
4816 | (u8 *)vendor_pn)) | |
4817 | vendor_pn[0] = '\0'; | |
4818 | else | |
4819 | vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0'; | |
4820 | ||
4821 | netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected," | |
4822 | " Port %d from %s part number %s\n", | |
4823 | params->port, vendor_name, vendor_pn); | |
4824 | phy->flags |= FLAGS_SFP_NOT_APPROVED; | |
4825 | return -EINVAL; | |
4826 | } | |
4827 | ||
4828 | static u8 bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy, | |
4829 | struct link_params *params) | |
4830 | ||
4831 | { | |
4832 | u8 val; | |
4833 | struct bnx2x *bp = params->bp; | |
4834 | u16 timeout; | |
4835 | /* | |
4836 | * Initialization time after hot-plug may take up to 300ms for | |
4837 | * some phys type ( e.g. JDSU ) | |
4838 | */ | |
4839 | ||
4840 | for (timeout = 0; timeout < 60; timeout++) { | |
4841 | if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val) | |
4842 | == 0) { | |
4843 | DP(NETIF_MSG_LINK, "SFP+ module initialization " | |
4844 | "took %d ms\n", timeout * 5); | |
4845 | return 0; | |
4846 | } | |
4847 | msleep(5); | |
4848 | } | |
4849 | return -EINVAL; | |
4850 | } | |
4851 | ||
4852 | static void bnx2x_8727_power_module(struct bnx2x *bp, | |
4853 | struct bnx2x_phy *phy, | |
4854 | u8 is_power_up) { | |
4855 | /* Make sure GPIOs are not using for LED mode */ | |
4856 | u16 val; | |
4857 | /* | |
4858 | * In the GPIO register, bit 4 is use to determine if the GPIOs are | |
4859 | * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for | |
4860 | * output | |
4861 | * Bits 0-1 determine the gpios value for OUTPUT in case bit 4 val is 0 | |
4862 | * Bits 8-9 determine the gpios value for INPUT in case bit 4 val is 1 | |
4863 | * where the 1st bit is the over-current(only input), and 2nd bit is | |
4864 | * for power( only output ) | |
4865 | * | |
4866 | * In case of NOC feature is disabled and power is up, set GPIO control | |
4867 | * as input to enable listening of over-current indication | |
4868 | */ | |
4869 | if (phy->flags & FLAGS_NOC) | |
4870 | return; | |
4871 | if (!(phy->flags & | |
4872 | FLAGS_NOC) && is_power_up) | |
4873 | val = (1<<4); | |
4874 | else | |
4875 | /* | |
4876 | * Set GPIO control to OUTPUT, and set the power bit | |
4877 | * to according to the is_power_up | |
4878 | */ | |
4879 | val = ((!(is_power_up)) << 1); | |
4880 | ||
4881 | bnx2x_cl45_write(bp, phy, | |
4882 | MDIO_PMA_DEVAD, | |
4883 | MDIO_PMA_REG_8727_GPIO_CTRL, | |
4884 | val); | |
4885 | } | |
4886 | ||
4887 | static u8 bnx2x_8726_set_limiting_mode(struct bnx2x *bp, | |
4888 | struct bnx2x_phy *phy, | |
4889 | u16 edc_mode) | |
4890 | { | |
4891 | u16 cur_limiting_mode; | |
4892 | ||
4893 | bnx2x_cl45_read(bp, phy, | |
4894 | MDIO_PMA_DEVAD, | |
4895 | MDIO_PMA_REG_ROM_VER2, | |
4896 | &cur_limiting_mode); | |
4897 | DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n", | |
4898 | cur_limiting_mode); | |
4899 | ||
4900 | if (edc_mode == EDC_MODE_LIMITING) { | |
4901 | DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n"); | |
4902 | bnx2x_cl45_write(bp, phy, | |
4903 | MDIO_PMA_DEVAD, | |
4904 | MDIO_PMA_REG_ROM_VER2, | |
4905 | EDC_MODE_LIMITING); | |
4906 | } else { /* LRM mode ( default )*/ | |
4907 | ||
4908 | DP(NETIF_MSG_LINK, "Setting LRM MODE\n"); | |
4909 | ||
4910 | /* | |
4911 | * Changing to LRM mode takes quite few seconds. So do it only | |
4912 | * if current mode is limiting (default is LRM) | |
4913 | */ | |
4914 | if (cur_limiting_mode != EDC_MODE_LIMITING) | |
4915 | return 0; | |
4916 | ||
4917 | bnx2x_cl45_write(bp, phy, | |
4918 | MDIO_PMA_DEVAD, | |
4919 | MDIO_PMA_REG_LRM_MODE, | |
4920 | 0); | |
4921 | bnx2x_cl45_write(bp, phy, | |
4922 | MDIO_PMA_DEVAD, | |
4923 | MDIO_PMA_REG_ROM_VER2, | |
4924 | 0x128); | |
4925 | bnx2x_cl45_write(bp, phy, | |
4926 | MDIO_PMA_DEVAD, | |
4927 | MDIO_PMA_REG_MISC_CTRL0, | |
4928 | 0x4008); | |
4929 | bnx2x_cl45_write(bp, phy, | |
4930 | MDIO_PMA_DEVAD, | |
4931 | MDIO_PMA_REG_LRM_MODE, | |
4932 | 0xaaaa); | |
4933 | } | |
4934 | return 0; | |
4935 | } | |
4936 | ||
4937 | static u8 bnx2x_8727_set_limiting_mode(struct bnx2x *bp, | |
4938 | struct bnx2x_phy *phy, | |
4939 | u16 edc_mode) | |
4940 | { | |
4941 | u16 phy_identifier; | |
4942 | u16 rom_ver2_val; | |
4943 | bnx2x_cl45_read(bp, phy, | |
4944 | MDIO_PMA_DEVAD, | |
4945 | MDIO_PMA_REG_PHY_IDENTIFIER, | |
4946 | &phy_identifier); | |
4947 | ||
4948 | bnx2x_cl45_write(bp, phy, | |
4949 | MDIO_PMA_DEVAD, | |
4950 | MDIO_PMA_REG_PHY_IDENTIFIER, | |
4951 | (phy_identifier & ~(1<<9))); | |
4952 | ||
4953 | bnx2x_cl45_read(bp, phy, | |
4954 | MDIO_PMA_DEVAD, | |
4955 | MDIO_PMA_REG_ROM_VER2, | |
4956 | &rom_ver2_val); | |
4957 | /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */ | |
4958 | bnx2x_cl45_write(bp, phy, | |
4959 | MDIO_PMA_DEVAD, | |
4960 | MDIO_PMA_REG_ROM_VER2, | |
4961 | (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff)); | |
4962 | ||
4963 | bnx2x_cl45_write(bp, phy, | |
4964 | MDIO_PMA_DEVAD, | |
4965 | MDIO_PMA_REG_PHY_IDENTIFIER, | |
4966 | (phy_identifier | (1<<9))); | |
4967 | ||
4968 | return 0; | |
4969 | } | |
4970 | ||
4971 | static void bnx2x_8727_specific_func(struct bnx2x_phy *phy, | |
4972 | struct link_params *params, | |
4973 | u32 action) | |
4974 | { | |
4975 | struct bnx2x *bp = params->bp; | |
4976 | ||
4977 | switch (action) { | |
4978 | case DISABLE_TX: | |
4979 | bnx2x_sfp_set_transmitter(params, phy, 0); | |
4980 | break; | |
4981 | case ENABLE_TX: | |
4982 | if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) | |
4983 | bnx2x_sfp_set_transmitter(params, phy, 1); | |
4984 | break; | |
4985 | default: | |
4986 | DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n", | |
4987 | action); | |
4988 | return; | |
4989 | } | |
4990 | } | |
4991 | ||
4992 | static void bnx2x_set_sfp_module_fault_led(struct link_params *params, | |
4993 | u8 gpio_mode) | |
4994 | { | |
4995 | struct bnx2x *bp = params->bp; | |
4996 | ||
4997 | u32 fault_led_gpio = REG_RD(bp, params->shmem_base + | |
4998 | offsetof(struct shmem_region, | |
4999 | dev_info.port_hw_config[params->port].sfp_ctrl)) & | |
5000 | PORT_HW_CFG_FAULT_MODULE_LED_MASK; | |
5001 | switch (fault_led_gpio) { | |
5002 | case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED: | |
5003 | return; | |
5004 | case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0: | |
5005 | case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1: | |
5006 | case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2: | |
5007 | case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3: | |
5008 | { | |
5009 | u8 gpio_port = bnx2x_get_gpio_port(params); | |
5010 | u16 gpio_pin = fault_led_gpio - | |
5011 | PORT_HW_CFG_FAULT_MODULE_LED_GPIO0; | |
5012 | DP(NETIF_MSG_LINK, "Set fault module-detected led " | |
5013 | "pin %x port %x mode %x\n", | |
5014 | gpio_pin, gpio_port, gpio_mode); | |
5015 | bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port); | |
5016 | } | |
5017 | break; | |
5018 | default: | |
5019 | DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n", | |
5020 | fault_led_gpio); | |
5021 | } | |
5022 | } | |
5023 | ||
5024 | static u8 bnx2x_sfp_module_detection(struct bnx2x_phy *phy, | |
5025 | struct link_params *params) | |
5026 | { | |
5027 | struct bnx2x *bp = params->bp; | |
5028 | u16 edc_mode; | |
5029 | u8 rc = 0; | |
5030 | ||
5031 | u32 val = REG_RD(bp, params->shmem_base + | |
5032 | offsetof(struct shmem_region, dev_info. | |
5033 | port_feature_config[params->port].config)); | |
5034 | ||
5035 | DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n", | |
5036 | params->port); | |
5037 | ||
5038 | if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) { | |
5039 | DP(NETIF_MSG_LINK, "Failed to get valid module type\n"); | |
5040 | return -EINVAL; | |
5041 | } else if (bnx2x_verify_sfp_module(phy, params) != 0) { | |
5042 | /* check SFP+ module compatibility */ | |
5043 | DP(NETIF_MSG_LINK, "Module verification failed!!\n"); | |
5044 | rc = -EINVAL; | |
5045 | /* Turn on fault module-detected led */ | |
5046 | bnx2x_set_sfp_module_fault_led(params, | |
5047 | MISC_REGISTERS_GPIO_HIGH); | |
5048 | ||
5049 | if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) && | |
5050 | ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == | |
5051 | PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN)) { | |
5052 | /* Shutdown SFP+ module */ | |
5053 | DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n"); | |
5054 | bnx2x_8727_power_module(bp, phy, 0); | |
5055 | return rc; | |
5056 | } | |
5057 | } else { | |
5058 | /* Turn off fault module-detected led */ | |
5059 | bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW); | |
5060 | } | |
5061 | ||
5062 | /* power up the SFP module */ | |
5063 | if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) | |
5064 | bnx2x_8727_power_module(bp, phy, 1); | |
5065 | ||
5066 | /* | |
5067 | * Check and set limiting mode / LRM mode on 8726. On 8727 it | |
5068 | * is done automatically | |
5069 | */ | |
5070 | if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) | |
5071 | bnx2x_8726_set_limiting_mode(bp, phy, edc_mode); | |
5072 | else | |
5073 | bnx2x_8727_set_limiting_mode(bp, phy, edc_mode); | |
5074 | /* | |
5075 | * Enable transmit for this module if the module is approved, or | |
5076 | * if unapproved modules should also enable the Tx laser | |
5077 | */ | |
5078 | if (rc == 0 || | |
5079 | (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) != | |
5080 | PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) | |
5081 | bnx2x_sfp_set_transmitter(params, phy, 1); | |
5082 | else | |
5083 | bnx2x_sfp_set_transmitter(params, phy, 0); | |
5084 | ||
5085 | return rc; | |
5086 | } | |
5087 | ||
5088 | void bnx2x_handle_module_detect_int(struct link_params *params) | |
5089 | { | |
5090 | struct bnx2x *bp = params->bp; | |
5091 | struct bnx2x_phy *phy = ¶ms->phy[EXT_PHY1]; | |
5092 | u32 gpio_val; | |
5093 | u8 port = params->port; | |
5094 | ||
5095 | /* Set valid module led off */ | |
5096 | bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH); | |
5097 | ||
5098 | /* Get current gpio val reflecting module plugged in / out*/ | |
5099 | gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port); | |
5100 | ||
5101 | /* Call the handling function in case module is detected */ | |
5102 | if (gpio_val == 0) { | |
5103 | ||
5104 | bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3, | |
5105 | MISC_REGISTERS_GPIO_INT_OUTPUT_CLR, | |
5106 | port); | |
5107 | ||
5108 | if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) | |
5109 | bnx2x_sfp_module_detection(phy, params); | |
5110 | else | |
5111 | DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n"); | |
5112 | } else { | |
5113 | u32 val = REG_RD(bp, params->shmem_base + | |
5114 | offsetof(struct shmem_region, dev_info. | |
5115 | port_feature_config[params->port]. | |
5116 | config)); | |
5117 | ||
5118 | bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3, | |
5119 | MISC_REGISTERS_GPIO_INT_OUTPUT_SET, | |
5120 | port); | |
5121 | /* | |
5122 | * Module was plugged out. | |
5123 | * Disable transmit for this module | |
5124 | */ | |
5125 | if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == | |
5126 | PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) | |
5127 | bnx2x_sfp_set_transmitter(params, phy, 0); | |
5128 | } | |
5129 | } | |
5130 | ||
5131 | /******************************************************************/ | |
5132 | /* common BCM8706/BCM8726 PHY SECTION */ | |
5133 | /******************************************************************/ | |
5134 | static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy, | |
5135 | struct link_params *params, | |
5136 | struct link_vars *vars) | |
5137 | { | |
5138 | u8 link_up = 0; | |
5139 | u16 val1, val2, rx_sd, pcs_status; | |
5140 | struct bnx2x *bp = params->bp; | |
5141 | DP(NETIF_MSG_LINK, "XGXS 8706/8726\n"); | |
5142 | /* Clear RX Alarm*/ | |
5143 | bnx2x_cl45_read(bp, phy, | |
5144 | MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2); | |
5145 | /* clear LASI indication*/ | |
5146 | bnx2x_cl45_read(bp, phy, | |
5147 | MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1); | |
5148 | bnx2x_cl45_read(bp, phy, | |
5149 | MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2); | |
5150 | DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2); | |
5151 | ||
5152 | bnx2x_cl45_read(bp, phy, | |
5153 | MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd); | |
5154 | bnx2x_cl45_read(bp, phy, | |
5155 | MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status); | |
5156 | bnx2x_cl45_read(bp, phy, | |
5157 | MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2); | |
5158 | bnx2x_cl45_read(bp, phy, | |
5159 | MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2); | |
5160 | ||
5161 | DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps" | |
5162 | " link_status 0x%x\n", rx_sd, pcs_status, val2); | |
5163 | /* | |
5164 | * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status | |
5165 | * are set, or if the autoneg bit 1 is set | |
5166 | */ | |
5167 | link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1))); | |
5168 | if (link_up) { | |
5169 | if (val2 & (1<<1)) | |
5170 | vars->line_speed = SPEED_1000; | |
5171 | else | |
5172 | vars->line_speed = SPEED_10000; | |
5173 | bnx2x_ext_phy_resolve_fc(phy, params, vars); | |
5174 | vars->duplex = DUPLEX_FULL; | |
5175 | } | |
5176 | return link_up; | |
5177 | } | |
5178 | ||
5179 | /******************************************************************/ | |
5180 | /* BCM8706 PHY SECTION */ | |
5181 | /******************************************************************/ | |
5182 | static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy, | |
5183 | struct link_params *params, | |
5184 | struct link_vars *vars) | |
5185 | { | |
5186 | u32 tx_en_mode; | |
5187 | u16 cnt, val, tmp1; | |
5188 | struct bnx2x *bp = params->bp; | |
5189 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, | |
5190 | MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); | |
5191 | /* HW reset */ | |
5192 | bnx2x_ext_phy_hw_reset(bp, params->port); | |
5193 | bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040); | |
5194 | bnx2x_wait_reset_complete(bp, phy, params); | |
5195 | ||
5196 | /* Wait until fw is loaded */ | |
5197 | for (cnt = 0; cnt < 100; cnt++) { | |
5198 | bnx2x_cl45_read(bp, phy, | |
5199 | MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val); | |
5200 | if (val) | |
5201 | break; | |
5202 | msleep(10); | |
5203 | } | |
5204 | DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt); | |
5205 | if ((params->feature_config_flags & | |
5206 | FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) { | |
5207 | u8 i; | |
5208 | u16 reg; | |
5209 | for (i = 0; i < 4; i++) { | |
5210 | reg = MDIO_XS_8706_REG_BANK_RX0 + | |
5211 | i*(MDIO_XS_8706_REG_BANK_RX1 - | |
5212 | MDIO_XS_8706_REG_BANK_RX0); | |
5213 | bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val); | |
5214 | /* Clear first 3 bits of the control */ | |
5215 | val &= ~0x7; | |
5216 | /* Set control bits according to configuration */ | |
5217 | val |= (phy->rx_preemphasis[i] & 0x7); | |
5218 | DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706" | |
5219 | " reg 0x%x <-- val 0x%x\n", reg, val); | |
5220 | bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val); | |
5221 | } | |
5222 | } | |
5223 | /* Force speed */ | |
5224 | if (phy->req_line_speed == SPEED_10000) { | |
5225 | DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n"); | |
5226 | ||
5227 | bnx2x_cl45_write(bp, phy, | |
5228 | MDIO_PMA_DEVAD, | |
5229 | MDIO_PMA_REG_DIGITAL_CTRL, 0x400); | |
5230 | bnx2x_cl45_write(bp, phy, | |
5231 | MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1); | |
5232 | } else { | |
5233 | /* Force 1Gbps using autoneg with 1G advertisement */ | |
5234 | ||
5235 | /* Allow CL37 through CL73 */ | |
5236 | DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n"); | |
5237 | bnx2x_cl45_write(bp, phy, | |
5238 | MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c); | |
5239 | ||
5240 | /* Enable Full-Duplex advertisement on CL37 */ | |
5241 | bnx2x_cl45_write(bp, phy, | |
5242 | MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020); | |
5243 | /* Enable CL37 AN */ | |
5244 | bnx2x_cl45_write(bp, phy, | |
5245 | MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000); | |
5246 | /* 1G support */ | |
5247 | bnx2x_cl45_write(bp, phy, | |
5248 | MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5)); | |
5249 | ||
5250 | /* Enable clause 73 AN */ | |
5251 | bnx2x_cl45_write(bp, phy, | |
5252 | MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200); | |
5253 | bnx2x_cl45_write(bp, phy, | |
5254 | MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, | |
5255 | 0x0400); | |
5256 | bnx2x_cl45_write(bp, phy, | |
5257 | MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, | |
5258 | 0x0004); | |
5259 | } | |
5260 | bnx2x_save_bcm_spirom_ver(bp, phy, params->port); | |
5261 | ||
5262 | /* | |
5263 | * If TX Laser is controlled by GPIO_0, do not let PHY go into low | |
5264 | * power mode, if TX Laser is disabled | |
5265 | */ | |
5266 | ||
5267 | tx_en_mode = REG_RD(bp, params->shmem_base + | |
5268 | offsetof(struct shmem_region, | |
5269 | dev_info.port_hw_config[params->port].sfp_ctrl)) | |
5270 | & PORT_HW_CFG_TX_LASER_MASK; | |
5271 | ||
5272 | if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) { | |
5273 | DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n"); | |
5274 | bnx2x_cl45_read(bp, phy, | |
5275 | MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1); | |
5276 | tmp1 |= 0x1; | |
5277 | bnx2x_cl45_write(bp, phy, | |
5278 | MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1); | |
5279 | } | |
5280 | ||
5281 | return 0; | |
5282 | } | |
5283 | ||
5284 | static u8 bnx2x_8706_read_status(struct bnx2x_phy *phy, | |
5285 | struct link_params *params, | |
5286 | struct link_vars *vars) | |
5287 | { | |
5288 | return bnx2x_8706_8726_read_status(phy, params, vars); | |
5289 | } | |
5290 | ||
5291 | /******************************************************************/ | |
5292 | /* BCM8726 PHY SECTION */ | |
5293 | /******************************************************************/ | |
5294 | static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy, | |
5295 | struct link_params *params) | |
5296 | { | |
5297 | struct bnx2x *bp = params->bp; | |
5298 | DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n"); | |
5299 | bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001); | |
5300 | } | |
5301 | ||
5302 | static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy, | |
5303 | struct link_params *params) | |
5304 | { | |
5305 | struct bnx2x *bp = params->bp; | |
5306 | /* Need to wait 100ms after reset */ | |
5307 | msleep(100); | |
5308 | ||
5309 | /* Micro controller re-boot */ | |
5310 | bnx2x_cl45_write(bp, phy, | |
5311 | MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B); | |
5312 | ||
5313 | /* Set soft reset */ | |
5314 | bnx2x_cl45_write(bp, phy, | |
5315 | MDIO_PMA_DEVAD, | |
5316 | MDIO_PMA_REG_GEN_CTRL, | |
5317 | MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET); | |
5318 | ||
5319 | bnx2x_cl45_write(bp, phy, | |
5320 | MDIO_PMA_DEVAD, | |
5321 | MDIO_PMA_REG_MISC_CTRL1, 0x0001); | |
5322 | ||
5323 | bnx2x_cl45_write(bp, phy, | |
5324 | MDIO_PMA_DEVAD, | |
5325 | MDIO_PMA_REG_GEN_CTRL, | |
5326 | MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP); | |
5327 | ||
5328 | /* wait for 150ms for microcode load */ | |
5329 | msleep(150); | |
5330 | ||
5331 | /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */ | |
5332 | bnx2x_cl45_write(bp, phy, | |
5333 | MDIO_PMA_DEVAD, | |
5334 | MDIO_PMA_REG_MISC_CTRL1, 0x0000); | |
5335 | ||
5336 | msleep(200); | |
5337 | bnx2x_save_bcm_spirom_ver(bp, phy, params->port); | |
5338 | } | |
5339 | ||
5340 | static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy, | |
5341 | struct link_params *params, | |
5342 | struct link_vars *vars) | |
5343 | { | |
5344 | struct bnx2x *bp = params->bp; | |
5345 | u16 val1; | |
5346 | u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars); | |
5347 | if (link_up) { | |
5348 | bnx2x_cl45_read(bp, phy, | |
5349 | MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, | |
5350 | &val1); | |
5351 | if (val1 & (1<<15)) { | |
5352 | DP(NETIF_MSG_LINK, "Tx is disabled\n"); | |
5353 | link_up = 0; | |
5354 | vars->line_speed = 0; | |
5355 | } | |
5356 | } | |
5357 | return link_up; | |
5358 | } | |
5359 | ||
5360 | ||
5361 | static u8 bnx2x_8726_config_init(struct bnx2x_phy *phy, | |
5362 | struct link_params *params, | |
5363 | struct link_vars *vars) | |
5364 | { | |
5365 | struct bnx2x *bp = params->bp; | |
5366 | u32 val; | |
5367 | u32 swap_val, swap_override, aeu_gpio_mask, offset; | |
5368 | DP(NETIF_MSG_LINK, "Initializing BCM8726\n"); | |
5369 | ||
5370 | bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15); | |
5371 | bnx2x_wait_reset_complete(bp, phy, params); | |
5372 | ||
5373 | bnx2x_8726_external_rom_boot(phy, params); | |
5374 | ||
5375 | /* | |
5376 | * Need to call module detected on initialization since the module | |
5377 | * detection triggered by actual module insertion might occur before | |
5378 | * driver is loaded, and when driver is loaded, it reset all | |
5379 | * registers, including the transmitter | |
5380 | */ | |
5381 | bnx2x_sfp_module_detection(phy, params); | |
5382 | ||
5383 | if (phy->req_line_speed == SPEED_1000) { | |
5384 | DP(NETIF_MSG_LINK, "Setting 1G force\n"); | |
5385 | bnx2x_cl45_write(bp, phy, | |
5386 | MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40); | |
5387 | bnx2x_cl45_write(bp, phy, | |
5388 | MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD); | |
5389 | bnx2x_cl45_write(bp, phy, | |
5390 | MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x5); | |
5391 | bnx2x_cl45_write(bp, phy, | |
5392 | MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, | |
5393 | 0x400); | |
5394 | } else if ((phy->req_line_speed == SPEED_AUTO_NEG) && | |
5395 | (phy->speed_cap_mask & | |
5396 | PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) && | |
5397 | ((phy->speed_cap_mask & | |
5398 | PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) != | |
5399 | PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) { | |
5400 | DP(NETIF_MSG_LINK, "Setting 1G clause37\n"); | |
5401 | /* Set Flow control */ | |
5402 | bnx2x_ext_phy_set_pause(params, phy, vars); | |
5403 | bnx2x_cl45_write(bp, phy, | |
5404 | MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20); | |
5405 | bnx2x_cl45_write(bp, phy, | |
5406 | MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c); | |
5407 | bnx2x_cl45_write(bp, phy, | |
5408 | MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020); | |
5409 | bnx2x_cl45_write(bp, phy, | |
5410 | MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000); | |
5411 | bnx2x_cl45_write(bp, phy, | |
5412 | MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200); | |
5413 | /* | |
5414 | * Enable RX-ALARM control to receive interrupt for 1G speed | |
5415 | * change | |
5416 | */ | |
5417 | bnx2x_cl45_write(bp, phy, | |
5418 | MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x4); | |
5419 | bnx2x_cl45_write(bp, phy, | |
5420 | MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, | |
5421 | 0x400); | |
5422 | ||
5423 | } else { /* Default 10G. Set only LASI control */ | |
5424 | bnx2x_cl45_write(bp, phy, | |
5425 | MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1); | |
5426 | } | |
5427 | ||
5428 | /* Set TX PreEmphasis if needed */ | |
5429 | if ((params->feature_config_flags & | |
5430 | FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) { | |
5431 | DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x," | |
5432 | "TX_CTRL2 0x%x\n", | |
5433 | phy->tx_preemphasis[0], | |
5434 | phy->tx_preemphasis[1]); | |
5435 | bnx2x_cl45_write(bp, phy, | |
5436 | MDIO_PMA_DEVAD, | |
5437 | MDIO_PMA_REG_8726_TX_CTRL1, | |
5438 | phy->tx_preemphasis[0]); | |
5439 | ||
5440 | bnx2x_cl45_write(bp, phy, | |
5441 | MDIO_PMA_DEVAD, | |
5442 | MDIO_PMA_REG_8726_TX_CTRL2, | |
5443 | phy->tx_preemphasis[1]); | |
5444 | } | |
5445 | ||
5446 | /* Set GPIO3 to trigger SFP+ module insertion/removal */ | |
5447 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3, | |
5448 | MISC_REGISTERS_GPIO_INPUT_HI_Z, params->port); | |
5449 | ||
5450 | /* The GPIO should be swapped if the swap register is set and active */ | |
5451 | swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); | |
5452 | swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); | |
5453 | ||
5454 | /* Select function upon port-swap configuration */ | |
5455 | if (params->port == 0) { | |
5456 | offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0; | |
5457 | aeu_gpio_mask = (swap_val && swap_override) ? | |
5458 | AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1 : | |
5459 | AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0; | |
5460 | } else { | |
5461 | offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0; | |
5462 | aeu_gpio_mask = (swap_val && swap_override) ? | |
5463 | AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 : | |
5464 | AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1; | |
5465 | } | |
5466 | val = REG_RD(bp, offset); | |
5467 | /* add GPIO3 to group */ | |
5468 | val |= aeu_gpio_mask; | |
5469 | REG_WR(bp, offset, val); | |
5470 | return 0; | |
5471 | ||
5472 | } | |
5473 | ||
5474 | static void bnx2x_8726_link_reset(struct bnx2x_phy *phy, | |
5475 | struct link_params *params) | |
5476 | { | |
5477 | struct bnx2x *bp = params->bp; | |
5478 | DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port); | |
5479 | /* Set serial boot control for external load */ | |
5480 | bnx2x_cl45_write(bp, phy, | |
5481 | MDIO_PMA_DEVAD, | |
5482 | MDIO_PMA_REG_GEN_CTRL, 0x0001); | |
5483 | } | |
5484 | ||
5485 | /******************************************************************/ | |
5486 | /* BCM8727 PHY SECTION */ | |
5487 | /******************************************************************/ | |
5488 | ||
5489 | static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy, | |
5490 | struct link_params *params, u8 mode) | |
5491 | { | |
5492 | struct bnx2x *bp = params->bp; | |
5493 | u16 led_mode_bitmask = 0; | |
5494 | u16 gpio_pins_bitmask = 0; | |
5495 | u16 val; | |
5496 | /* Only NOC flavor requires to set the LED specifically */ | |
5497 | if (!(phy->flags & FLAGS_NOC)) | |
5498 | return; | |
5499 | switch (mode) { | |
5500 | case LED_MODE_FRONT_PANEL_OFF: | |
5501 | case LED_MODE_OFF: | |
5502 | led_mode_bitmask = 0; | |
5503 | gpio_pins_bitmask = 0x03; | |
5504 | break; | |
5505 | case LED_MODE_ON: | |
5506 | led_mode_bitmask = 0; | |
5507 | gpio_pins_bitmask = 0x02; | |
5508 | break; | |
5509 | case LED_MODE_OPER: | |
5510 | led_mode_bitmask = 0x60; | |
5511 | gpio_pins_bitmask = 0x11; | |
5512 | break; | |
5513 | } | |
5514 | bnx2x_cl45_read(bp, phy, | |
5515 | MDIO_PMA_DEVAD, | |
5516 | MDIO_PMA_REG_8727_PCS_OPT_CTRL, | |
5517 | &val); | |
5518 | val &= 0xff8f; | |
5519 | val |= led_mode_bitmask; | |
5520 | bnx2x_cl45_write(bp, phy, | |
5521 | MDIO_PMA_DEVAD, | |
5522 | MDIO_PMA_REG_8727_PCS_OPT_CTRL, | |
5523 | val); | |
5524 | bnx2x_cl45_read(bp, phy, | |
5525 | MDIO_PMA_DEVAD, | |
5526 | MDIO_PMA_REG_8727_GPIO_CTRL, | |
5527 | &val); | |
5528 | val &= 0xffe0; | |
5529 | val |= gpio_pins_bitmask; | |
5530 | bnx2x_cl45_write(bp, phy, | |
5531 | MDIO_PMA_DEVAD, | |
5532 | MDIO_PMA_REG_8727_GPIO_CTRL, | |
5533 | val); | |
5534 | } | |
5535 | static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy, | |
5536 | struct link_params *params) { | |
5537 | u32 swap_val, swap_override; | |
5538 | u8 port; | |
5539 | /* | |
5540 | * The PHY reset is controlled by GPIO 1. Fake the port number | |
5541 | * to cancel the swap done in set_gpio() | |
5542 | */ | |
5543 | struct bnx2x *bp = params->bp; | |
5544 | swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); | |
5545 | swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); | |
5546 | port = (swap_val && swap_override) ^ 1; | |
5547 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, | |
5548 | MISC_REGISTERS_GPIO_OUTPUT_LOW, port); | |
5549 | } | |
5550 | ||
5551 | static u8 bnx2x_8727_config_init(struct bnx2x_phy *phy, | |
5552 | struct link_params *params, | |
5553 | struct link_vars *vars) | |
5554 | { | |
5555 | u32 tx_en_mode; | |
5556 | u16 tmp1, val, mod_abs, tmp2; | |
5557 | u16 rx_alarm_ctrl_val; | |
5558 | u16 lasi_ctrl_val; | |
5559 | struct bnx2x *bp = params->bp; | |
5560 | /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */ | |
5561 | ||
5562 | bnx2x_wait_reset_complete(bp, phy, params); | |
5563 | rx_alarm_ctrl_val = (1<<2) | (1<<5) ; | |
5564 | lasi_ctrl_val = 0x0004; | |
5565 | ||
5566 | DP(NETIF_MSG_LINK, "Initializing BCM8727\n"); | |
5567 | /* enable LASI */ | |
5568 | bnx2x_cl45_write(bp, phy, | |
5569 | MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, | |
5570 | rx_alarm_ctrl_val); | |
5571 | ||
5572 | bnx2x_cl45_write(bp, phy, | |
5573 | MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, lasi_ctrl_val); | |
5574 | ||
5575 | /* | |
5576 | * Initially configure MOD_ABS to interrupt when module is | |
5577 | * presence( bit 8) | |
5578 | */ | |
5579 | bnx2x_cl45_read(bp, phy, | |
5580 | MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs); | |
5581 | /* | |
5582 | * Set EDC off by setting OPTXLOS signal input to low (bit 9). | |
5583 | * When the EDC is off it locks onto a reference clock and avoids | |
5584 | * becoming 'lost' | |
5585 | */ | |
5586 | mod_abs &= ~(1<<8); | |
5587 | if (!(phy->flags & FLAGS_NOC)) | |
5588 | mod_abs &= ~(1<<9); | |
5589 | bnx2x_cl45_write(bp, phy, | |
5590 | MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs); | |
5591 | ||
5592 | ||
5593 | /* Make MOD_ABS give interrupt on change */ | |
5594 | bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, | |
5595 | &val); | |
5596 | val |= (1<<12); | |
5597 | if (phy->flags & FLAGS_NOC) | |
5598 | val |= (3<<5); | |
5599 | ||
5600 | /* | |
5601 | * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0 | |
5602 | * status which reflect SFP+ module over-current | |
5603 | */ | |
5604 | if (!(phy->flags & FLAGS_NOC)) | |
5605 | val &= 0xff8f; /* Reset bits 4-6 */ | |
5606 | bnx2x_cl45_write(bp, phy, | |
5607 | MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val); | |
5608 | ||
5609 | bnx2x_8727_power_module(bp, phy, 1); | |
5610 | ||
5611 | bnx2x_cl45_read(bp, phy, | |
5612 | MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1); | |
5613 | ||
5614 | bnx2x_cl45_read(bp, phy, | |
5615 | MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1); | |
5616 | ||
5617 | /* Set option 1G speed */ | |
5618 | if (phy->req_line_speed == SPEED_1000) { | |
5619 | DP(NETIF_MSG_LINK, "Setting 1G force\n"); | |
5620 | bnx2x_cl45_write(bp, phy, | |
5621 | MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40); | |
5622 | bnx2x_cl45_write(bp, phy, | |
5623 | MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD); | |
5624 | bnx2x_cl45_read(bp, phy, | |
5625 | MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1); | |
5626 | DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1); | |
5627 | /* | |
5628 | * Power down the XAUI until link is up in case of dual-media | |
5629 | * and 1G | |
5630 | */ | |
5631 | if (DUAL_MEDIA(params)) { | |
5632 | bnx2x_cl45_read(bp, phy, | |
5633 | MDIO_PMA_DEVAD, | |
5634 | MDIO_PMA_REG_8727_PCS_GP, &val); | |
5635 | val |= (3<<10); | |
5636 | bnx2x_cl45_write(bp, phy, | |
5637 | MDIO_PMA_DEVAD, | |
5638 | MDIO_PMA_REG_8727_PCS_GP, val); | |
5639 | } | |
5640 | } else if ((phy->req_line_speed == SPEED_AUTO_NEG) && | |
5641 | ((phy->speed_cap_mask & | |
5642 | PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) && | |
5643 | ((phy->speed_cap_mask & | |
5644 | PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) != | |
5645 | PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) { | |
5646 | ||
5647 | DP(NETIF_MSG_LINK, "Setting 1G clause37\n"); | |
5648 | bnx2x_cl45_write(bp, phy, | |
5649 | MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0); | |
5650 | bnx2x_cl45_write(bp, phy, | |
5651 | MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300); | |
5652 | } else { | |
5653 | /* | |
5654 | * Since the 8727 has only single reset pin, need to set the 10G | |
5655 | * registers although it is default | |
5656 | */ | |
5657 | bnx2x_cl45_write(bp, phy, | |
5658 | MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, | |
5659 | 0x0020); | |
5660 | bnx2x_cl45_write(bp, phy, | |
5661 | MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100); | |
5662 | bnx2x_cl45_write(bp, phy, | |
5663 | MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040); | |
5664 | bnx2x_cl45_write(bp, phy, | |
5665 | MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, | |
5666 | 0x0008); | |
5667 | } | |
5668 | ||
5669 | /* | |
5670 | * Set 2-wire transfer rate of SFP+ module EEPROM | |
5671 | * to 100Khz since some DACs(direct attached cables) do | |
5672 | * not work at 400Khz. | |
5673 | */ | |
5674 | bnx2x_cl45_write(bp, phy, | |
5675 | MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR, | |
5676 | 0xa001); | |
5677 | ||
5678 | /* Set TX PreEmphasis if needed */ | |
5679 | if ((params->feature_config_flags & | |
5680 | FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) { | |
5681 | DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n", | |
5682 | phy->tx_preemphasis[0], | |
5683 | phy->tx_preemphasis[1]); | |
5684 | bnx2x_cl45_write(bp, phy, | |
5685 | MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1, | |
5686 | phy->tx_preemphasis[0]); | |
5687 | ||
5688 | bnx2x_cl45_write(bp, phy, | |
5689 | MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2, | |
5690 | phy->tx_preemphasis[1]); | |
5691 | } | |
5692 | ||
5693 | /* | |
5694 | * If TX Laser is controlled by GPIO_0, do not let PHY go into low | |
5695 | * power mode, if TX Laser is disabled | |
5696 | */ | |
5697 | tx_en_mode = REG_RD(bp, params->shmem_base + | |
5698 | offsetof(struct shmem_region, | |
5699 | dev_info.port_hw_config[params->port].sfp_ctrl)) | |
5700 | & PORT_HW_CFG_TX_LASER_MASK; | |
5701 | ||
5702 | if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) { | |
5703 | ||
5704 | DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n"); | |
5705 | bnx2x_cl45_read(bp, phy, | |
5706 | MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2); | |
5707 | tmp2 |= 0x1000; | |
5708 | tmp2 &= 0xFFEF; | |
5709 | bnx2x_cl45_write(bp, phy, | |
5710 | MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2); | |
5711 | } | |
5712 | ||
5713 | return 0; | |
5714 | } | |
5715 | ||
5716 | static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy, | |
5717 | struct link_params *params) | |
5718 | { | |
5719 | struct bnx2x *bp = params->bp; | |
5720 | u16 mod_abs, rx_alarm_status; | |
5721 | u32 val = REG_RD(bp, params->shmem_base + | |
5722 | offsetof(struct shmem_region, dev_info. | |
5723 | port_feature_config[params->port]. | |
5724 | config)); | |
5725 | bnx2x_cl45_read(bp, phy, | |
5726 | MDIO_PMA_DEVAD, | |
5727 | MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs); | |
5728 | if (mod_abs & (1<<8)) { | |
5729 | ||
5730 | /* Module is absent */ | |
5731 | DP(NETIF_MSG_LINK, "MOD_ABS indication " | |
5732 | "show module is absent\n"); | |
5733 | ||
5734 | /* | |
5735 | * 1. Set mod_abs to detect next module | |
5736 | * presence event | |
5737 | * 2. Set EDC off by setting OPTXLOS signal input to low | |
5738 | * (bit 9). | |
5739 | * When the EDC is off it locks onto a reference clock and | |
5740 | * avoids becoming 'lost'. | |
5741 | */ | |
5742 | mod_abs &= ~(1<<8); | |
5743 | if (!(phy->flags & FLAGS_NOC)) | |
5744 | mod_abs &= ~(1<<9); | |
5745 | bnx2x_cl45_write(bp, phy, | |
5746 | MDIO_PMA_DEVAD, | |
5747 | MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs); | |
5748 | ||
5749 | /* | |
5750 | * Clear RX alarm since it stays up as long as | |
5751 | * the mod_abs wasn't changed | |
5752 | */ | |
5753 | bnx2x_cl45_read(bp, phy, | |
5754 | MDIO_PMA_DEVAD, | |
5755 | MDIO_PMA_REG_RX_ALARM, &rx_alarm_status); | |
5756 | ||
5757 | } else { | |
5758 | /* Module is present */ | |
5759 | DP(NETIF_MSG_LINK, "MOD_ABS indication " | |
5760 | "show module is present\n"); | |
5761 | /* | |
5762 | * First disable transmitter, and if the module is ok, the | |
5763 | * module_detection will enable it | |
5764 | * 1. Set mod_abs to detect next module absent event ( bit 8) | |
5765 | * 2. Restore the default polarity of the OPRXLOS signal and | |
5766 | * this signal will then correctly indicate the presence or | |
5767 | * absence of the Rx signal. (bit 9) | |
5768 | */ | |
5769 | mod_abs |= (1<<8); | |
5770 | if (!(phy->flags & FLAGS_NOC)) | |
5771 | mod_abs |= (1<<9); | |
5772 | bnx2x_cl45_write(bp, phy, | |
5773 | MDIO_PMA_DEVAD, | |
5774 | MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs); | |
5775 | ||
5776 | /* | |
5777 | * Clear RX alarm since it stays up as long as the mod_abs | |
5778 | * wasn't changed. This is need to be done before calling the | |
5779 | * module detection, otherwise it will clear* the link update | |
5780 | * alarm | |
5781 | */ | |
5782 | bnx2x_cl45_read(bp, phy, | |
5783 | MDIO_PMA_DEVAD, | |
5784 | MDIO_PMA_REG_RX_ALARM, &rx_alarm_status); | |
5785 | ||
5786 | ||
5787 | if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == | |
5788 | PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) | |
5789 | bnx2x_sfp_set_transmitter(params, phy, 0); | |
5790 | ||
5791 | if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) | |
5792 | bnx2x_sfp_module_detection(phy, params); | |
5793 | else | |
5794 | DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n"); | |
5795 | } | |
5796 | ||
5797 | DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", | |
5798 | rx_alarm_status); | |
5799 | /* No need to check link status in case of module plugged in/out */ | |
5800 | } | |
5801 | ||
5802 | static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy, | |
5803 | struct link_params *params, | |
5804 | struct link_vars *vars) | |
5805 | ||
5806 | { | |
5807 | struct bnx2x *bp = params->bp; | |
5808 | u8 link_up = 0; | |
5809 | u16 link_status = 0; | |
5810 | u16 rx_alarm_status, lasi_ctrl, val1; | |
5811 | ||
5812 | /* If PHY is not initialized, do not check link status */ | |
5813 | bnx2x_cl45_read(bp, phy, | |
5814 | MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, | |
5815 | &lasi_ctrl); | |
5816 | if (!lasi_ctrl) | |
5817 | return 0; | |
5818 | ||
5819 | /* Check the LASI */ | |
5820 | bnx2x_cl45_read(bp, phy, | |
5821 | MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, | |
5822 | &rx_alarm_status); | |
5823 | vars->line_speed = 0; | |
5824 | DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status); | |
5825 | ||
5826 | bnx2x_cl45_read(bp, phy, | |
5827 | MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1); | |
5828 | ||
5829 | DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1); | |
5830 | ||
5831 | /* Clear MSG-OUT */ | |
5832 | bnx2x_cl45_read(bp, phy, | |
5833 | MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1); | |
5834 | ||
5835 | /* | |
5836 | * If a module is present and there is need to check | |
5837 | * for over current | |
5838 | */ | |
5839 | if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) { | |
5840 | /* Check over-current using 8727 GPIO0 input*/ | |
5841 | bnx2x_cl45_read(bp, phy, | |
5842 | MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL, | |
5843 | &val1); | |
5844 | ||
5845 | if ((val1 & (1<<8)) == 0) { | |
5846 | DP(NETIF_MSG_LINK, "8727 Power fault has been detected" | |
5847 | " on port %d\n", params->port); | |
5848 | netdev_err(bp->dev, "Error: Power fault on Port %d has" | |
5849 | " been detected and the power to " | |
5850 | "that SFP+ module has been removed" | |
5851 | " to prevent failure of the card." | |
5852 | " Please remove the SFP+ module and" | |
5853 | " restart the system to clear this" | |
5854 | " error.\n", | |
5855 | params->port); | |
5856 | /* Disable all RX_ALARMs except for mod_abs */ | |
5857 | bnx2x_cl45_write(bp, phy, | |
5858 | MDIO_PMA_DEVAD, | |
5859 | MDIO_PMA_REG_RX_ALARM_CTRL, (1<<5)); | |
5860 | ||
5861 | bnx2x_cl45_read(bp, phy, | |
5862 | MDIO_PMA_DEVAD, | |
5863 | MDIO_PMA_REG_PHY_IDENTIFIER, &val1); | |
5864 | /* Wait for module_absent_event */ | |
5865 | val1 |= (1<<8); | |
5866 | bnx2x_cl45_write(bp, phy, | |
5867 | MDIO_PMA_DEVAD, | |
5868 | MDIO_PMA_REG_PHY_IDENTIFIER, val1); | |
5869 | /* Clear RX alarm */ | |
5870 | bnx2x_cl45_read(bp, phy, | |
5871 | MDIO_PMA_DEVAD, | |
5872 | MDIO_PMA_REG_RX_ALARM, &rx_alarm_status); | |
5873 | return 0; | |
5874 | } | |
5875 | } /* Over current check */ | |
5876 | ||
5877 | /* When module absent bit is set, check module */ | |
5878 | if (rx_alarm_status & (1<<5)) { | |
5879 | bnx2x_8727_handle_mod_abs(phy, params); | |
5880 | /* Enable all mod_abs and link detection bits */ | |
5881 | bnx2x_cl45_write(bp, phy, | |
5882 | MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, | |
5883 | ((1<<5) | (1<<2))); | |
5884 | } | |
5885 | DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n"); | |
5886 | bnx2x_8727_specific_func(phy, params, ENABLE_TX); | |
5887 | /* If transmitter is disabled, ignore false link up indication */ | |
5888 | bnx2x_cl45_read(bp, phy, | |
5889 | MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1); | |
5890 | if (val1 & (1<<15)) { | |
5891 | DP(NETIF_MSG_LINK, "Tx is disabled\n"); | |
5892 | return 0; | |
5893 | } | |
5894 | ||
5895 | bnx2x_cl45_read(bp, phy, | |
5896 | MDIO_PMA_DEVAD, | |
5897 | MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status); | |
5898 | ||
5899 | /* | |
5900 | * Bits 0..2 --> speed detected, | |
5901 | * Bits 13..15--> link is down | |
5902 | */ | |
5903 | if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) { | |
5904 | link_up = 1; | |
5905 | vars->line_speed = SPEED_10000; | |
5906 | DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n", | |
5907 | params->port); | |
5908 | } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) { | |
5909 | link_up = 1; | |
5910 | vars->line_speed = SPEED_1000; | |
5911 | DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n", | |
5912 | params->port); | |
5913 | } else { | |
5914 | link_up = 0; | |
5915 | DP(NETIF_MSG_LINK, "port %x: External link is down\n", | |
5916 | params->port); | |
5917 | } | |
5918 | if (link_up) { | |
5919 | bnx2x_ext_phy_resolve_fc(phy, params, vars); | |
5920 | vars->duplex = DUPLEX_FULL; | |
5921 | DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex); | |
5922 | } | |
5923 | ||
5924 | if ((DUAL_MEDIA(params)) && | |
5925 | (phy->req_line_speed == SPEED_1000)) { | |
5926 | bnx2x_cl45_read(bp, phy, | |
5927 | MDIO_PMA_DEVAD, | |
5928 | MDIO_PMA_REG_8727_PCS_GP, &val1); | |
5929 | /* | |
5930 | * In case of dual-media board and 1G, power up the XAUI side, | |
5931 | * otherwise power it down. For 10G it is done automatically | |
5932 | */ | |
5933 | if (link_up) | |
5934 | val1 &= ~(3<<10); | |
5935 | else | |
5936 | val1 |= (3<<10); | |
5937 | bnx2x_cl45_write(bp, phy, | |
5938 | MDIO_PMA_DEVAD, | |
5939 | MDIO_PMA_REG_8727_PCS_GP, val1); | |
5940 | } | |
5941 | return link_up; | |
5942 | } | |
5943 | ||
5944 | static void bnx2x_8727_link_reset(struct bnx2x_phy *phy, | |
5945 | struct link_params *params) | |
5946 | { | |
5947 | struct bnx2x *bp = params->bp; | |
5948 | /* Disable Transmitter */ | |
5949 | bnx2x_sfp_set_transmitter(params, phy, 0); | |
5950 | /* Clear LASI */ | |
5951 | bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0); | |
5952 | ||
5953 | } | |
5954 | ||
5955 | /******************************************************************/ | |
5956 | /* BCM8481/BCM84823/BCM84833 PHY SECTION */ | |
5957 | /******************************************************************/ | |
5958 | static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy, | |
5959 | struct link_params *params) | |
5960 | { | |
5961 | u16 val, fw_ver1, fw_ver2, cnt, adj; | |
5962 | struct bnx2x *bp = params->bp; | |
5963 | ||
5964 | adj = 0; | |
5965 | if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) | |
5966 | adj = -1; | |
5967 | ||
5968 | /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/ | |
5969 | /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */ | |
5970 | bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819 + adj, 0x0014); | |
5971 | bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A + adj, 0xc200); | |
5972 | bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B + adj, 0x0000); | |
5973 | bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C + adj, 0x0300); | |
5974 | bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817 + adj, 0x0009); | |
5975 | ||
5976 | for (cnt = 0; cnt < 100; cnt++) { | |
5977 | bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818 + adj, &val); | |
5978 | if (val & 1) | |
5979 | break; | |
5980 | udelay(5); | |
5981 | } | |
5982 | if (cnt == 100) { | |
5983 | DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n"); | |
5984 | bnx2x_save_spirom_version(bp, params->port, 0, | |
5985 | phy->ver_addr); | |
5986 | return; | |
5987 | } | |
5988 | ||
5989 | ||
5990 | /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */ | |
5991 | bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819 + adj, 0x0000); | |
5992 | bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A + adj, 0xc200); | |
5993 | bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817 + adj, 0x000A); | |
5994 | for (cnt = 0; cnt < 100; cnt++) { | |
5995 | bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818 + adj, &val); | |
5996 | if (val & 1) | |
5997 | break; | |
5998 | udelay(5); | |
5999 | } | |
6000 | if (cnt == 100) { | |
6001 | DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n"); | |
6002 | bnx2x_save_spirom_version(bp, params->port, 0, | |
6003 | phy->ver_addr); | |
6004 | return; | |
6005 | } | |
6006 | ||
6007 | /* lower 16 bits of the register SPI_FW_STATUS */ | |
6008 | bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B + adj, &fw_ver1); | |
6009 | /* upper 16 bits of register SPI_FW_STATUS */ | |
6010 | bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C + adj, &fw_ver2); | |
6011 | ||
6012 | bnx2x_save_spirom_version(bp, params->port, (fw_ver2<<16) | fw_ver1, | |
6013 | phy->ver_addr); | |
6014 | } | |
6015 | ||
6016 | static void bnx2x_848xx_set_led(struct bnx2x *bp, | |
6017 | struct bnx2x_phy *phy) | |
6018 | { | |
6019 | u16 val, adj; | |
6020 | ||
6021 | adj = 0; | |
6022 | if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) | |
6023 | adj = -1; | |
6024 | ||
6025 | /* PHYC_CTL_LED_CTL */ | |
6026 | bnx2x_cl45_read(bp, phy, | |
6027 | MDIO_PMA_DEVAD, | |
6028 | MDIO_PMA_REG_8481_LINK_SIGNAL + adj, &val); | |
6029 | val &= 0xFE00; | |
6030 | val |= 0x0092; | |
6031 | ||
6032 | bnx2x_cl45_write(bp, phy, | |
6033 | MDIO_PMA_DEVAD, | |
6034 | MDIO_PMA_REG_8481_LINK_SIGNAL + adj, val); | |
6035 | ||
6036 | bnx2x_cl45_write(bp, phy, | |
6037 | MDIO_PMA_DEVAD, | |
6038 | MDIO_PMA_REG_8481_LED1_MASK + adj, | |
6039 | 0x80); | |
6040 | ||
6041 | bnx2x_cl45_write(bp, phy, | |
6042 | MDIO_PMA_DEVAD, | |
6043 | MDIO_PMA_REG_8481_LED2_MASK + adj, | |
6044 | 0x18); | |
6045 | ||
6046 | /* Select activity source by Tx and Rx, as suggested by PHY AE */ | |
6047 | bnx2x_cl45_write(bp, phy, | |
6048 | MDIO_PMA_DEVAD, | |
6049 | MDIO_PMA_REG_8481_LED3_MASK + adj, | |
6050 | 0x0006); | |
6051 | ||
6052 | /* Select the closest activity blink rate to that in 10/100/1000 */ | |
6053 | bnx2x_cl45_write(bp, phy, | |
6054 | MDIO_PMA_DEVAD, | |
6055 | MDIO_PMA_REG_8481_LED3_BLINK + adj, | |
6056 | 0); | |
6057 | ||
6058 | bnx2x_cl45_read(bp, phy, | |
6059 | MDIO_PMA_DEVAD, | |
6060 | MDIO_PMA_REG_84823_CTL_LED_CTL_1 + adj, &val); | |
6061 | val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/ | |
6062 | ||
6063 | bnx2x_cl45_write(bp, phy, | |
6064 | MDIO_PMA_DEVAD, | |
6065 | MDIO_PMA_REG_84823_CTL_LED_CTL_1 + adj, val); | |
6066 | ||
6067 | /* 'Interrupt Mask' */ | |
6068 | bnx2x_cl45_write(bp, phy, | |
6069 | MDIO_AN_DEVAD, | |
6070 | 0xFFFB, 0xFFFD); | |
6071 | } | |
6072 | ||
6073 | static u8 bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy, | |
6074 | struct link_params *params, | |
6075 | struct link_vars *vars) | |
6076 | { | |
6077 | struct bnx2x *bp = params->bp; | |
6078 | u16 autoneg_val, an_1000_val, an_10_100_val; | |
6079 | /* | |
6080 | * This phy uses the NIG latch mechanism since link indication | |
6081 | * arrives through its LED4 and not via its LASI signal, so we | |
6082 | * get steady signal instead of clear on read | |
6083 | */ | |
6084 | bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4, | |
6085 | 1 << NIG_LATCH_BC_ENABLE_MI_INT); | |
6086 | ||
6087 | bnx2x_cl45_write(bp, phy, | |
6088 | MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000); | |
6089 | ||
6090 | bnx2x_848xx_set_led(bp, phy); | |
6091 | ||
6092 | /* set 1000 speed advertisement */ | |
6093 | bnx2x_cl45_read(bp, phy, | |
6094 | MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL, | |
6095 | &an_1000_val); | |
6096 | ||
6097 | bnx2x_ext_phy_set_pause(params, phy, vars); | |
6098 | bnx2x_cl45_read(bp, phy, | |
6099 | MDIO_AN_DEVAD, | |
6100 | MDIO_AN_REG_8481_LEGACY_AN_ADV, | |
6101 | &an_10_100_val); | |
6102 | bnx2x_cl45_read(bp, phy, | |
6103 | MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL, | |
6104 | &autoneg_val); | |
6105 | /* Disable forced speed */ | |
6106 | autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13)); | |
6107 | an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8)); | |
6108 | ||
6109 | if (((phy->req_line_speed == SPEED_AUTO_NEG) && | |
6110 | (phy->speed_cap_mask & | |
6111 | PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) || | |
6112 | (phy->req_line_speed == SPEED_1000)) { | |
6113 | an_1000_val |= (1<<8); | |
6114 | autoneg_val |= (1<<9 | 1<<12); | |
6115 | if (phy->req_duplex == DUPLEX_FULL) | |
6116 | an_1000_val |= (1<<9); | |
6117 | DP(NETIF_MSG_LINK, "Advertising 1G\n"); | |
6118 | } else | |
6119 | an_1000_val &= ~((1<<8) | (1<<9)); | |
6120 | ||
6121 | bnx2x_cl45_write(bp, phy, | |
6122 | MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL, | |
6123 | an_1000_val); | |
6124 | ||
6125 | /* set 10 speed advertisement */ | |
6126 | if (((phy->req_line_speed == SPEED_AUTO_NEG) && | |
6127 | (phy->speed_cap_mask & | |
6128 | (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL | | |
6129 | PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) { | |
6130 | an_10_100_val |= (1<<7); | |
6131 | /* Enable autoneg and restart autoneg for legacy speeds */ | |
6132 | autoneg_val |= (1<<9 | 1<<12); | |
6133 | ||
6134 | if (phy->req_duplex == DUPLEX_FULL) | |
6135 | an_10_100_val |= (1<<8); | |
6136 | DP(NETIF_MSG_LINK, "Advertising 100M\n"); | |
6137 | } | |
6138 | /* set 10 speed advertisement */ | |
6139 | if (((phy->req_line_speed == SPEED_AUTO_NEG) && | |
6140 | (phy->speed_cap_mask & | |
6141 | (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL | | |
6142 | PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) { | |
6143 | an_10_100_val |= (1<<5); | |
6144 | autoneg_val |= (1<<9 | 1<<12); | |
6145 | if (phy->req_duplex == DUPLEX_FULL) | |
6146 | an_10_100_val |= (1<<6); | |
6147 | DP(NETIF_MSG_LINK, "Advertising 10M\n"); | |
6148 | } | |
6149 | ||
6150 | /* Only 10/100 are allowed to work in FORCE mode */ | |
6151 | if (phy->req_line_speed == SPEED_100) { | |
6152 | autoneg_val |= (1<<13); | |
6153 | /* Enabled AUTO-MDIX when autoneg is disabled */ | |
6154 | bnx2x_cl45_write(bp, phy, | |
6155 | MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL, | |
6156 | (1<<15 | 1<<9 | 7<<0)); | |
6157 | DP(NETIF_MSG_LINK, "Setting 100M force\n"); | |
6158 | } | |
6159 | if (phy->req_line_speed == SPEED_10) { | |
6160 | /* Enabled AUTO-MDIX when autoneg is disabled */ | |
6161 | bnx2x_cl45_write(bp, phy, | |
6162 | MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL, | |
6163 | (1<<15 | 1<<9 | 7<<0)); | |
6164 | DP(NETIF_MSG_LINK, "Setting 10M force\n"); | |
6165 | } | |
6166 | ||
6167 | bnx2x_cl45_write(bp, phy, | |
6168 | MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV, | |
6169 | an_10_100_val); | |
6170 | ||
6171 | if (phy->req_duplex == DUPLEX_FULL) | |
6172 | autoneg_val |= (1<<8); | |
6173 | ||
6174 | bnx2x_cl45_write(bp, phy, | |
6175 | MDIO_AN_DEVAD, | |
6176 | MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val); | |
6177 | ||
6178 | if (((phy->req_line_speed == SPEED_AUTO_NEG) && | |
6179 | (phy->speed_cap_mask & | |
6180 | PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) || | |
6181 | (phy->req_line_speed == SPEED_10000)) { | |
6182 | DP(NETIF_MSG_LINK, "Advertising 10G\n"); | |
6183 | /* Restart autoneg for 10G*/ | |
6184 | ||
6185 | bnx2x_cl45_write(bp, phy, | |
6186 | MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, | |
6187 | 0x3200); | |
6188 | } else if (phy->req_line_speed != SPEED_10 && | |
6189 | phy->req_line_speed != SPEED_100) { | |
6190 | bnx2x_cl45_write(bp, phy, | |
6191 | MDIO_AN_DEVAD, | |
6192 | MDIO_AN_REG_8481_10GBASE_T_AN_CTRL, | |
6193 | 1); | |
6194 | } | |
6195 | /* Save spirom version */ | |
6196 | bnx2x_save_848xx_spirom_version(phy, params); | |
6197 | ||
6198 | return 0; | |
6199 | } | |
6200 | ||
6201 | static u8 bnx2x_8481_config_init(struct bnx2x_phy *phy, | |
6202 | struct link_params *params, | |
6203 | struct link_vars *vars) | |
6204 | { | |
6205 | struct bnx2x *bp = params->bp; | |
6206 | /* Restore normal power mode*/ | |
6207 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, | |
6208 | MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); | |
6209 | ||
6210 | /* HW reset */ | |
6211 | bnx2x_ext_phy_hw_reset(bp, params->port); | |
6212 | bnx2x_wait_reset_complete(bp, phy, params); | |
6213 | ||
6214 | bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15); | |
6215 | return bnx2x_848xx_cmn_config_init(phy, params, vars); | |
6216 | } | |
6217 | ||
6218 | static u8 bnx2x_848x3_config_init(struct bnx2x_phy *phy, | |
6219 | struct link_params *params, | |
6220 | struct link_vars *vars) | |
6221 | { | |
6222 | struct bnx2x *bp = params->bp; | |
6223 | u8 port, initialize = 1; | |
6224 | u16 val, adj; | |
6225 | u16 temp; | |
6226 | u32 actual_phy_selection, cms_enable; | |
6227 | u8 rc = 0; | |
6228 | ||
6229 | /* This is just for MDIO_CTL_REG_84823_MEDIA register. */ | |
6230 | adj = 0; | |
6231 | if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) | |
6232 | adj = 3; | |
6233 | ||
6234 | msleep(1); | |
6235 | if (CHIP_IS_E2(bp)) | |
6236 | port = BP_PATH(bp); | |
6237 | else | |
6238 | port = params->port; | |
6239 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3, | |
6240 | MISC_REGISTERS_GPIO_OUTPUT_HIGH, | |
6241 | port); | |
6242 | bnx2x_wait_reset_complete(bp, phy, params); | |
6243 | /* Wait for GPHY to come out of reset */ | |
6244 | msleep(50); | |
6245 | /* | |
6246 | * BCM84823 requires that XGXS links up first @ 10G for normal behavior | |
6247 | */ | |
6248 | temp = vars->line_speed; | |
6249 | vars->line_speed = SPEED_10000; | |
6250 | bnx2x_set_autoneg(¶ms->phy[INT_PHY], params, vars, 0); | |
6251 | bnx2x_program_serdes(¶ms->phy[INT_PHY], params, vars); | |
6252 | vars->line_speed = temp; | |
6253 | ||
6254 | /* Set dual-media configuration according to configuration */ | |
6255 | ||
6256 | bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, | |
6257 | MDIO_CTL_REG_84823_MEDIA + adj, &val); | |
6258 | val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK | | |
6259 | MDIO_CTL_REG_84823_MEDIA_LINE_MASK | | |
6260 | MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN | | |
6261 | MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK | | |
6262 | MDIO_CTL_REG_84823_MEDIA_FIBER_1G); | |
6263 | val |= MDIO_CTL_REG_84823_CTRL_MAC_XFI | | |
6264 | MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L; | |
6265 | ||
6266 | actual_phy_selection = bnx2x_phy_selection(params); | |
6267 | ||
6268 | switch (actual_phy_selection) { | |
6269 | case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT: | |
6270 | /* Do nothing. Essentially this is like the priority copper */ | |
6271 | break; | |
6272 | case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY: | |
6273 | val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER; | |
6274 | break; | |
6275 | case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY: | |
6276 | val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER; | |
6277 | break; | |
6278 | case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY: | |
6279 | /* Do nothing here. The first PHY won't be initialized at all */ | |
6280 | break; | |
6281 | case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY: | |
6282 | val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN; | |
6283 | initialize = 0; | |
6284 | break; | |
6285 | } | |
6286 | if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000) | |
6287 | val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G; | |
6288 | ||
6289 | bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, | |
6290 | MDIO_CTL_REG_84823_MEDIA + adj, val); | |
6291 | DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n", | |
6292 | params->multi_phy_config, val); | |
6293 | ||
6294 | if (initialize) | |
6295 | rc = bnx2x_848xx_cmn_config_init(phy, params, vars); | |
6296 | else | |
6297 | bnx2x_save_848xx_spirom_version(phy, params); | |
6298 | cms_enable = REG_RD(bp, params->shmem_base + | |
6299 | offsetof(struct shmem_region, | |
6300 | dev_info.port_hw_config[params->port].default_cfg)) & | |
6301 | PORT_HW_CFG_ENABLE_CMS_MASK; | |
6302 | ||
6303 | bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, | |
6304 | MDIO_CTL_REG_84823_USER_CTRL_REG, &val); | |
6305 | if (cms_enable) | |
6306 | val |= MDIO_CTL_REG_84823_USER_CTRL_CMS; | |
6307 | else | |
6308 | val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS; | |
6309 | bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, | |
6310 | MDIO_CTL_REG_84823_USER_CTRL_REG, val); | |
6311 | ||
6312 | ||
6313 | return rc; | |
6314 | } | |
6315 | ||
6316 | static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy, | |
6317 | struct link_params *params, | |
6318 | struct link_vars *vars) | |
6319 | { | |
6320 | struct bnx2x *bp = params->bp; | |
6321 | u16 val, val1, val2, adj; | |
6322 | u8 link_up = 0; | |
6323 | ||
6324 | /* Reg offset adjustment for 84833 */ | |
6325 | adj = 0; | |
6326 | if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) | |
6327 | adj = -1; | |
6328 | ||
6329 | /* Check 10G-BaseT link status */ | |
6330 | /* Check PMD signal ok */ | |
6331 | bnx2x_cl45_read(bp, phy, | |
6332 | MDIO_AN_DEVAD, 0xFFFA, &val1); | |
6333 | bnx2x_cl45_read(bp, phy, | |
6334 | MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL + adj, | |
6335 | &val2); | |
6336 | DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2); | |
6337 | ||
6338 | /* Check link 10G */ | |
6339 | if (val2 & (1<<11)) { | |
6340 | vars->line_speed = SPEED_10000; | |
6341 | vars->duplex = DUPLEX_FULL; | |
6342 | link_up = 1; | |
6343 | bnx2x_ext_phy_10G_an_resolve(bp, phy, vars); | |
6344 | } else { /* Check Legacy speed link */ | |
6345 | u16 legacy_status, legacy_speed; | |
6346 | ||
6347 | /* Enable expansion register 0x42 (Operation mode status) */ | |
6348 | bnx2x_cl45_write(bp, phy, | |
6349 | MDIO_AN_DEVAD, | |
6350 | MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42); | |
6351 | ||
6352 | /* Get legacy speed operation status */ | |
6353 | bnx2x_cl45_read(bp, phy, | |
6354 | MDIO_AN_DEVAD, | |
6355 | MDIO_AN_REG_8481_EXPANSION_REG_RD_RW, | |
6356 | &legacy_status); | |
6357 | ||
6358 | DP(NETIF_MSG_LINK, "Legacy speed status" | |
6359 | " = 0x%x\n", legacy_status); | |
6360 | link_up = ((legacy_status & (1<<11)) == (1<<11)); | |
6361 | if (link_up) { | |
6362 | legacy_speed = (legacy_status & (3<<9)); | |
6363 | if (legacy_speed == (0<<9)) | |
6364 | vars->line_speed = SPEED_10; | |
6365 | else if (legacy_speed == (1<<9)) | |
6366 | vars->line_speed = SPEED_100; | |
6367 | else if (legacy_speed == (2<<9)) | |
6368 | vars->line_speed = SPEED_1000; | |
6369 | else /* Should not happen */ | |
6370 | vars->line_speed = 0; | |
6371 | ||
6372 | if (legacy_status & (1<<8)) | |
6373 | vars->duplex = DUPLEX_FULL; | |
6374 | else | |
6375 | vars->duplex = DUPLEX_HALF; | |
6376 | ||
6377 | DP(NETIF_MSG_LINK, "Link is up in %dMbps," | |
6378 | " is_duplex_full= %d\n", vars->line_speed, | |
6379 | (vars->duplex == DUPLEX_FULL)); | |
6380 | /* Check legacy speed AN resolution */ | |
6381 | bnx2x_cl45_read(bp, phy, | |
6382 | MDIO_AN_DEVAD, | |
6383 | MDIO_AN_REG_8481_LEGACY_MII_STATUS, | |
6384 | &val); | |
6385 | if (val & (1<<5)) | |
6386 | vars->link_status |= | |
6387 | LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; | |
6388 | bnx2x_cl45_read(bp, phy, | |
6389 | MDIO_AN_DEVAD, | |
6390 | MDIO_AN_REG_8481_LEGACY_AN_EXPANSION, | |
6391 | &val); | |
6392 | if ((val & (1<<0)) == 0) | |
6393 | vars->link_status |= | |
6394 | LINK_STATUS_PARALLEL_DETECTION_USED; | |
6395 | } | |
6396 | } | |
6397 | if (link_up) { | |
6398 | DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n", | |
6399 | vars->line_speed); | |
6400 | bnx2x_ext_phy_resolve_fc(phy, params, vars); | |
6401 | } | |
6402 | ||
6403 | return link_up; | |
6404 | } | |
6405 | ||
6406 | static u8 bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len) | |
6407 | { | |
6408 | u8 status = 0; | |
6409 | u32 spirom_ver; | |
6410 | spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F); | |
6411 | status = bnx2x_format_ver(spirom_ver, str, len); | |
6412 | return status; | |
6413 | } | |
6414 | ||
6415 | static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy, | |
6416 | struct link_params *params) | |
6417 | { | |
6418 | bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1, | |
6419 | MISC_REGISTERS_GPIO_OUTPUT_LOW, 0); | |
6420 | bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1, | |
6421 | MISC_REGISTERS_GPIO_OUTPUT_LOW, 1); | |
6422 | } | |
6423 | ||
6424 | static void bnx2x_8481_link_reset(struct bnx2x_phy *phy, | |
6425 | struct link_params *params) | |
6426 | { | |
6427 | bnx2x_cl45_write(params->bp, phy, | |
6428 | MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000); | |
6429 | bnx2x_cl45_write(params->bp, phy, | |
6430 | MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1); | |
6431 | } | |
6432 | ||
6433 | static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy, | |
6434 | struct link_params *params) | |
6435 | { | |
6436 | struct bnx2x *bp = params->bp; | |
6437 | u8 port; | |
6438 | if (CHIP_IS_E2(bp)) | |
6439 | port = BP_PATH(bp); | |
6440 | else | |
6441 | port = params->port; | |
6442 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3, | |
6443 | MISC_REGISTERS_GPIO_OUTPUT_LOW, | |
6444 | port); | |
6445 | } | |
6446 | ||
6447 | static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy, | |
6448 | struct link_params *params, u8 mode) | |
6449 | { | |
6450 | struct bnx2x *bp = params->bp; | |
6451 | u16 val; | |
6452 | ||
6453 | switch (mode) { | |
6454 | case LED_MODE_OFF: | |
6455 | ||
6456 | DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", params->port); | |
6457 | ||
6458 | if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) == | |
6459 | SHARED_HW_CFG_LED_EXTPHY1) { | |
6460 | ||
6461 | /* Set LED masks */ | |
6462 | bnx2x_cl45_write(bp, phy, | |
6463 | MDIO_PMA_DEVAD, | |
6464 | MDIO_PMA_REG_8481_LED1_MASK, | |
6465 | 0x0); | |
6466 | ||
6467 | bnx2x_cl45_write(bp, phy, | |
6468 | MDIO_PMA_DEVAD, | |
6469 | MDIO_PMA_REG_8481_LED2_MASK, | |
6470 | 0x0); | |
6471 | ||
6472 | bnx2x_cl45_write(bp, phy, | |
6473 | MDIO_PMA_DEVAD, | |
6474 | MDIO_PMA_REG_8481_LED3_MASK, | |
6475 | 0x0); | |
6476 | ||
6477 | bnx2x_cl45_write(bp, phy, | |
6478 | MDIO_PMA_DEVAD, | |
6479 | MDIO_PMA_REG_8481_LED5_MASK, | |
6480 | 0x0); | |
6481 | ||
6482 | } else { | |
6483 | bnx2x_cl45_write(bp, phy, | |
6484 | MDIO_PMA_DEVAD, | |
6485 | MDIO_PMA_REG_8481_LED1_MASK, | |
6486 | 0x0); | |
6487 | } | |
6488 | break; | |
6489 | case LED_MODE_FRONT_PANEL_OFF: | |
6490 | ||
6491 | DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n", | |
6492 | params->port); | |
6493 | ||
6494 | if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) == | |
6495 | SHARED_HW_CFG_LED_EXTPHY1) { | |
6496 | ||
6497 | /* Set LED masks */ | |
6498 | bnx2x_cl45_write(bp, phy, | |
6499 | MDIO_PMA_DEVAD, | |
6500 | MDIO_PMA_REG_8481_LED1_MASK, | |
6501 | 0x0); | |
6502 | ||
6503 | bnx2x_cl45_write(bp, phy, | |
6504 | MDIO_PMA_DEVAD, | |
6505 | MDIO_PMA_REG_8481_LED2_MASK, | |
6506 | 0x0); | |
6507 | ||
6508 | bnx2x_cl45_write(bp, phy, | |
6509 | MDIO_PMA_DEVAD, | |
6510 | MDIO_PMA_REG_8481_LED3_MASK, | |
6511 | 0x0); | |
6512 | ||
6513 | bnx2x_cl45_write(bp, phy, | |
6514 | MDIO_PMA_DEVAD, | |
6515 | MDIO_PMA_REG_8481_LED5_MASK, | |
6516 | 0x20); | |
6517 | ||
6518 | } else { | |
6519 | bnx2x_cl45_write(bp, phy, | |
6520 | MDIO_PMA_DEVAD, | |
6521 | MDIO_PMA_REG_8481_LED1_MASK, | |
6522 | 0x0); | |
6523 | } | |
6524 | break; | |
6525 | case LED_MODE_ON: | |
6526 | ||
6527 | DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", params->port); | |
6528 | ||
6529 | if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) == | |
6530 | SHARED_HW_CFG_LED_EXTPHY1) { | |
6531 | /* Set control reg */ | |
6532 | bnx2x_cl45_read(bp, phy, | |
6533 | MDIO_PMA_DEVAD, | |
6534 | MDIO_PMA_REG_8481_LINK_SIGNAL, | |
6535 | &val); | |
6536 | val &= 0x8000; | |
6537 | val |= 0x2492; | |
6538 | ||
6539 | bnx2x_cl45_write(bp, phy, | |
6540 | MDIO_PMA_DEVAD, | |
6541 | MDIO_PMA_REG_8481_LINK_SIGNAL, | |
6542 | val); | |
6543 | ||
6544 | /* Set LED masks */ | |
6545 | bnx2x_cl45_write(bp, phy, | |
6546 | MDIO_PMA_DEVAD, | |
6547 | MDIO_PMA_REG_8481_LED1_MASK, | |
6548 | 0x0); | |
6549 | ||
6550 | bnx2x_cl45_write(bp, phy, | |
6551 | MDIO_PMA_DEVAD, | |
6552 | MDIO_PMA_REG_8481_LED2_MASK, | |
6553 | 0x20); | |
6554 | ||
6555 | bnx2x_cl45_write(bp, phy, | |
6556 | MDIO_PMA_DEVAD, | |
6557 | MDIO_PMA_REG_8481_LED3_MASK, | |
6558 | 0x20); | |
6559 | ||
6560 | bnx2x_cl45_write(bp, phy, | |
6561 | MDIO_PMA_DEVAD, | |
6562 | MDIO_PMA_REG_8481_LED5_MASK, | |
6563 | 0x0); | |
6564 | } else { | |
6565 | bnx2x_cl45_write(bp, phy, | |
6566 | MDIO_PMA_DEVAD, | |
6567 | MDIO_PMA_REG_8481_LED1_MASK, | |
6568 | 0x20); | |
6569 | } | |
6570 | break; | |
6571 | ||
6572 | case LED_MODE_OPER: | |
6573 | ||
6574 | DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", params->port); | |
6575 | ||
6576 | if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) == | |
6577 | SHARED_HW_CFG_LED_EXTPHY1) { | |
6578 | ||
6579 | /* Set control reg */ | |
6580 | bnx2x_cl45_read(bp, phy, | |
6581 | MDIO_PMA_DEVAD, | |
6582 | MDIO_PMA_REG_8481_LINK_SIGNAL, | |
6583 | &val); | |
6584 | ||
6585 | if (!((val & | |
6586 | MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK) | |
6587 | >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) { | |
6588 | DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n"); | |
6589 | bnx2x_cl45_write(bp, phy, | |
6590 | MDIO_PMA_DEVAD, | |
6591 | MDIO_PMA_REG_8481_LINK_SIGNAL, | |
6592 | 0xa492); | |
6593 | } | |
6594 | ||
6595 | /* Set LED masks */ | |
6596 | bnx2x_cl45_write(bp, phy, | |
6597 | MDIO_PMA_DEVAD, | |
6598 | MDIO_PMA_REG_8481_LED1_MASK, | |
6599 | 0x10); | |
6600 | ||
6601 | bnx2x_cl45_write(bp, phy, | |
6602 | MDIO_PMA_DEVAD, | |
6603 | MDIO_PMA_REG_8481_LED2_MASK, | |
6604 | 0x80); | |
6605 | ||
6606 | bnx2x_cl45_write(bp, phy, | |
6607 | MDIO_PMA_DEVAD, | |
6608 | MDIO_PMA_REG_8481_LED3_MASK, | |
6609 | 0x98); | |
6610 | ||
6611 | bnx2x_cl45_write(bp, phy, | |
6612 | MDIO_PMA_DEVAD, | |
6613 | MDIO_PMA_REG_8481_LED5_MASK, | |
6614 | 0x40); | |
6615 | ||
6616 | } else { | |
6617 | bnx2x_cl45_write(bp, phy, | |
6618 | MDIO_PMA_DEVAD, | |
6619 | MDIO_PMA_REG_8481_LED1_MASK, | |
6620 | 0x80); | |
6621 | ||
6622 | /* Tell LED3 to blink on source */ | |
6623 | bnx2x_cl45_read(bp, phy, | |
6624 | MDIO_PMA_DEVAD, | |
6625 | MDIO_PMA_REG_8481_LINK_SIGNAL, | |
6626 | &val); | |
6627 | val &= ~(7<<6); | |
6628 | val |= (1<<6); /* A83B[8:6]= 1 */ | |
6629 | bnx2x_cl45_write(bp, phy, | |
6630 | MDIO_PMA_DEVAD, | |
6631 | MDIO_PMA_REG_8481_LINK_SIGNAL, | |
6632 | val); | |
6633 | } | |
6634 | break; | |
6635 | } | |
6636 | } | |
6637 | /******************************************************************/ | |
6638 | /* SFX7101 PHY SECTION */ | |
6639 | /******************************************************************/ | |
6640 | static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy, | |
6641 | struct link_params *params) | |
6642 | { | |
6643 | struct bnx2x *bp = params->bp; | |
6644 | /* SFX7101_XGXS_TEST1 */ | |
6645 | bnx2x_cl45_write(bp, phy, | |
6646 | MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100); | |
6647 | } | |
6648 | ||
6649 | static u8 bnx2x_7101_config_init(struct bnx2x_phy *phy, | |
6650 | struct link_params *params, | |
6651 | struct link_vars *vars) | |
6652 | { | |
6653 | u16 fw_ver1, fw_ver2, val; | |
6654 | struct bnx2x *bp = params->bp; | |
6655 | DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n"); | |
6656 | ||
6657 | /* Restore normal power mode*/ | |
6658 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, | |
6659 | MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); | |
6660 | /* HW reset */ | |
6661 | bnx2x_ext_phy_hw_reset(bp, params->port); | |
6662 | bnx2x_wait_reset_complete(bp, phy, params); | |
6663 | ||
6664 | bnx2x_cl45_write(bp, phy, | |
6665 | MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x1); | |
6666 | DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n"); | |
6667 | bnx2x_cl45_write(bp, phy, | |
6668 | MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3)); | |
6669 | ||
6670 | bnx2x_ext_phy_set_pause(params, phy, vars); | |
6671 | /* Restart autoneg */ | |
6672 | bnx2x_cl45_read(bp, phy, | |
6673 | MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val); | |
6674 | val |= 0x200; | |
6675 | bnx2x_cl45_write(bp, phy, | |
6676 | MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val); | |
6677 | ||
6678 | /* Save spirom version */ | |
6679 | bnx2x_cl45_read(bp, phy, | |
6680 | MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1); | |
6681 | ||
6682 | bnx2x_cl45_read(bp, phy, | |
6683 | MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2); | |
6684 | bnx2x_save_spirom_version(bp, params->port, | |
6685 | (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr); | |
6686 | return 0; | |
6687 | } | |
6688 | ||
6689 | static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy, | |
6690 | struct link_params *params, | |
6691 | struct link_vars *vars) | |
6692 | { | |
6693 | struct bnx2x *bp = params->bp; | |
6694 | u8 link_up; | |
6695 | u16 val1, val2; | |
6696 | bnx2x_cl45_read(bp, phy, | |
6697 | MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2); | |
6698 | bnx2x_cl45_read(bp, phy, | |
6699 | MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1); | |
6700 | DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n", | |
6701 | val2, val1); | |
6702 | bnx2x_cl45_read(bp, phy, | |
6703 | MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2); | |
6704 | bnx2x_cl45_read(bp, phy, | |
6705 | MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1); | |
6706 | DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n", | |
6707 | val2, val1); | |
6708 | link_up = ((val1 & 4) == 4); | |
6709 | /* if link is up print the AN outcome of the SFX7101 PHY */ | |
6710 | if (link_up) { | |
6711 | bnx2x_cl45_read(bp, phy, | |
6712 | MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS, | |
6713 | &val2); | |
6714 | vars->line_speed = SPEED_10000; | |
6715 | vars->duplex = DUPLEX_FULL; | |
6716 | DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n", | |
6717 | val2, (val2 & (1<<14))); | |
6718 | bnx2x_ext_phy_10G_an_resolve(bp, phy, vars); | |
6719 | bnx2x_ext_phy_resolve_fc(phy, params, vars); | |
6720 | } | |
6721 | return link_up; | |
6722 | } | |
6723 | ||
6724 | ||
6725 | static u8 bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len) | |
6726 | { | |
6727 | if (*len < 5) | |
6728 | return -EINVAL; | |
6729 | str[0] = (spirom_ver & 0xFF); | |
6730 | str[1] = (spirom_ver & 0xFF00) >> 8; | |
6731 | str[2] = (spirom_ver & 0xFF0000) >> 16; | |
6732 | str[3] = (spirom_ver & 0xFF000000) >> 24; | |
6733 | str[4] = '\0'; | |
6734 | *len -= 5; | |
6735 | return 0; | |
6736 | } | |
6737 | ||
6738 | void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy) | |
6739 | { | |
6740 | u16 val, cnt; | |
6741 | ||
6742 | bnx2x_cl45_read(bp, phy, | |
6743 | MDIO_PMA_DEVAD, | |
6744 | MDIO_PMA_REG_7101_RESET, &val); | |
6745 | ||
6746 | for (cnt = 0; cnt < 10; cnt++) { | |
6747 | msleep(50); | |
6748 | /* Writes a self-clearing reset */ | |
6749 | bnx2x_cl45_write(bp, phy, | |
6750 | MDIO_PMA_DEVAD, | |
6751 | MDIO_PMA_REG_7101_RESET, | |
6752 | (val | (1<<15))); | |
6753 | /* Wait for clear */ | |
6754 | bnx2x_cl45_read(bp, phy, | |
6755 | MDIO_PMA_DEVAD, | |
6756 | MDIO_PMA_REG_7101_RESET, &val); | |
6757 | ||
6758 | if ((val & (1<<15)) == 0) | |
6759 | break; | |
6760 | } | |
6761 | } | |
6762 | ||
6763 | static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy, | |
6764 | struct link_params *params) { | |
6765 | /* Low power mode is controlled by GPIO 2 */ | |
6766 | bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2, | |
6767 | MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port); | |
6768 | /* The PHY reset is controlled by GPIO 1 */ | |
6769 | bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1, | |
6770 | MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port); | |
6771 | } | |
6772 | ||
6773 | static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy, | |
6774 | struct link_params *params, u8 mode) | |
6775 | { | |
6776 | u16 val = 0; | |
6777 | struct bnx2x *bp = params->bp; | |
6778 | switch (mode) { | |
6779 | case LED_MODE_FRONT_PANEL_OFF: | |
6780 | case LED_MODE_OFF: | |
6781 | val = 2; | |
6782 | break; | |
6783 | case LED_MODE_ON: | |
6784 | val = 1; | |
6785 | break; | |
6786 | case LED_MODE_OPER: | |
6787 | val = 0; | |
6788 | break; | |
6789 | } | |
6790 | bnx2x_cl45_write(bp, phy, | |
6791 | MDIO_PMA_DEVAD, | |
6792 | MDIO_PMA_REG_7107_LINK_LED_CNTL, | |
6793 | val); | |
6794 | } | |
6795 | ||
6796 | /******************************************************************/ | |
6797 | /* STATIC PHY DECLARATION */ | |
6798 | /******************************************************************/ | |
6799 | ||
6800 | static struct bnx2x_phy phy_null = { | |
6801 | .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN, | |
6802 | .addr = 0, | |
6803 | .flags = FLAGS_INIT_XGXS_FIRST, | |
6804 | .def_md_devad = 0, | |
6805 | .reserved = 0, | |
6806 | .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, | |
6807 | .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, | |
6808 | .mdio_ctrl = 0, | |
6809 | .supported = 0, | |
6810 | .media_type = ETH_PHY_NOT_PRESENT, | |
6811 | .ver_addr = 0, | |
6812 | .req_flow_ctrl = 0, | |
6813 | .req_line_speed = 0, | |
6814 | .speed_cap_mask = 0, | |
6815 | .req_duplex = 0, | |
6816 | .rsrv = 0, | |
6817 | .config_init = (config_init_t)NULL, | |
6818 | .read_status = (read_status_t)NULL, | |
6819 | .link_reset = (link_reset_t)NULL, | |
6820 | .config_loopback = (config_loopback_t)NULL, | |
6821 | .format_fw_ver = (format_fw_ver_t)NULL, | |
6822 | .hw_reset = (hw_reset_t)NULL, | |
6823 | .set_link_led = (set_link_led_t)NULL, | |
6824 | .phy_specific_func = (phy_specific_func_t)NULL | |
6825 | }; | |
6826 | ||
6827 | static struct bnx2x_phy phy_serdes = { | |
6828 | .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT, | |
6829 | .addr = 0xff, | |
6830 | .flags = 0, | |
6831 | .def_md_devad = 0, | |
6832 | .reserved = 0, | |
6833 | .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, | |
6834 | .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, | |
6835 | .mdio_ctrl = 0, | |
6836 | .supported = (SUPPORTED_10baseT_Half | | |
6837 | SUPPORTED_10baseT_Full | | |
6838 | SUPPORTED_100baseT_Half | | |
6839 | SUPPORTED_100baseT_Full | | |
6840 | SUPPORTED_1000baseT_Full | | |
6841 | SUPPORTED_2500baseX_Full | | |
6842 | SUPPORTED_TP | | |
6843 | SUPPORTED_Autoneg | | |
6844 | SUPPORTED_Pause | | |
6845 | SUPPORTED_Asym_Pause), | |
6846 | .media_type = ETH_PHY_UNSPECIFIED, | |
6847 | .ver_addr = 0, | |
6848 | .req_flow_ctrl = 0, | |
6849 | .req_line_speed = 0, | |
6850 | .speed_cap_mask = 0, | |
6851 | .req_duplex = 0, | |
6852 | .rsrv = 0, | |
6853 | .config_init = (config_init_t)bnx2x_init_serdes, | |
6854 | .read_status = (read_status_t)bnx2x_link_settings_status, | |
6855 | .link_reset = (link_reset_t)bnx2x_int_link_reset, | |
6856 | .config_loopback = (config_loopback_t)NULL, | |
6857 | .format_fw_ver = (format_fw_ver_t)NULL, | |
6858 | .hw_reset = (hw_reset_t)NULL, | |
6859 | .set_link_led = (set_link_led_t)NULL, | |
6860 | .phy_specific_func = (phy_specific_func_t)NULL | |
6861 | }; | |
6862 | ||
6863 | static struct bnx2x_phy phy_xgxs = { | |
6864 | .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT, | |
6865 | .addr = 0xff, | |
6866 | .flags = 0, | |
6867 | .def_md_devad = 0, | |
6868 | .reserved = 0, | |
6869 | .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, | |
6870 | .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, | |
6871 | .mdio_ctrl = 0, | |
6872 | .supported = (SUPPORTED_10baseT_Half | | |
6873 | SUPPORTED_10baseT_Full | | |
6874 | SUPPORTED_100baseT_Half | | |
6875 | SUPPORTED_100baseT_Full | | |
6876 | SUPPORTED_1000baseT_Full | | |
6877 | SUPPORTED_2500baseX_Full | | |
6878 | SUPPORTED_10000baseT_Full | | |
6879 | SUPPORTED_FIBRE | | |
6880 | SUPPORTED_Autoneg | | |
6881 | SUPPORTED_Pause | | |
6882 | SUPPORTED_Asym_Pause), | |
6883 | .media_type = ETH_PHY_UNSPECIFIED, | |
6884 | .ver_addr = 0, | |
6885 | .req_flow_ctrl = 0, | |
6886 | .req_line_speed = 0, | |
6887 | .speed_cap_mask = 0, | |
6888 | .req_duplex = 0, | |
6889 | .rsrv = 0, | |
6890 | .config_init = (config_init_t)bnx2x_init_xgxs, | |
6891 | .read_status = (read_status_t)bnx2x_link_settings_status, | |
6892 | .link_reset = (link_reset_t)bnx2x_int_link_reset, | |
6893 | .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback, | |
6894 | .format_fw_ver = (format_fw_ver_t)NULL, | |
6895 | .hw_reset = (hw_reset_t)NULL, | |
6896 | .set_link_led = (set_link_led_t)NULL, | |
6897 | .phy_specific_func = (phy_specific_func_t)NULL | |
6898 | }; | |
6899 | ||
6900 | static struct bnx2x_phy phy_7101 = { | |
6901 | .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, | |
6902 | .addr = 0xff, | |
6903 | .flags = FLAGS_FAN_FAILURE_DET_REQ, | |
6904 | .def_md_devad = 0, | |
6905 | .reserved = 0, | |
6906 | .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, | |
6907 | .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, | |
6908 | .mdio_ctrl = 0, | |
6909 | .supported = (SUPPORTED_10000baseT_Full | | |
6910 | SUPPORTED_TP | | |
6911 | SUPPORTED_Autoneg | | |
6912 | SUPPORTED_Pause | | |
6913 | SUPPORTED_Asym_Pause), | |
6914 | .media_type = ETH_PHY_BASE_T, | |
6915 | .ver_addr = 0, | |
6916 | .req_flow_ctrl = 0, | |
6917 | .req_line_speed = 0, | |
6918 | .speed_cap_mask = 0, | |
6919 | .req_duplex = 0, | |
6920 | .rsrv = 0, | |
6921 | .config_init = (config_init_t)bnx2x_7101_config_init, | |
6922 | .read_status = (read_status_t)bnx2x_7101_read_status, | |
6923 | .link_reset = (link_reset_t)bnx2x_common_ext_link_reset, | |
6924 | .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback, | |
6925 | .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver, | |
6926 | .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset, | |
6927 | .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led, | |
6928 | .phy_specific_func = (phy_specific_func_t)NULL | |
6929 | }; | |
6930 | static struct bnx2x_phy phy_8073 = { | |
6931 | .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073, | |
6932 | .addr = 0xff, | |
6933 | .flags = FLAGS_HW_LOCK_REQUIRED, | |
6934 | .def_md_devad = 0, | |
6935 | .reserved = 0, | |
6936 | .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, | |
6937 | .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, | |
6938 | .mdio_ctrl = 0, | |
6939 | .supported = (SUPPORTED_10000baseT_Full | | |
6940 | SUPPORTED_2500baseX_Full | | |
6941 | SUPPORTED_1000baseT_Full | | |
6942 | SUPPORTED_FIBRE | | |
6943 | SUPPORTED_Autoneg | | |
6944 | SUPPORTED_Pause | | |
6945 | SUPPORTED_Asym_Pause), | |
6946 | .media_type = ETH_PHY_UNSPECIFIED, | |
6947 | .ver_addr = 0, | |
6948 | .req_flow_ctrl = 0, | |
6949 | .req_line_speed = 0, | |
6950 | .speed_cap_mask = 0, | |
6951 | .req_duplex = 0, | |
6952 | .rsrv = 0, | |
6953 | .config_init = (config_init_t)bnx2x_8073_config_init, | |
6954 | .read_status = (read_status_t)bnx2x_8073_read_status, | |
6955 | .link_reset = (link_reset_t)bnx2x_8073_link_reset, | |
6956 | .config_loopback = (config_loopback_t)NULL, | |
6957 | .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, | |
6958 | .hw_reset = (hw_reset_t)NULL, | |
6959 | .set_link_led = (set_link_led_t)NULL, | |
6960 | .phy_specific_func = (phy_specific_func_t)NULL | |
6961 | }; | |
6962 | static struct bnx2x_phy phy_8705 = { | |
6963 | .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705, | |
6964 | .addr = 0xff, | |
6965 | .flags = FLAGS_INIT_XGXS_FIRST, | |
6966 | .def_md_devad = 0, | |
6967 | .reserved = 0, | |
6968 | .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, | |
6969 | .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, | |
6970 | .mdio_ctrl = 0, | |
6971 | .supported = (SUPPORTED_10000baseT_Full | | |
6972 | SUPPORTED_FIBRE | | |
6973 | SUPPORTED_Pause | | |
6974 | SUPPORTED_Asym_Pause), | |
6975 | .media_type = ETH_PHY_XFP_FIBER, | |
6976 | .ver_addr = 0, | |
6977 | .req_flow_ctrl = 0, | |
6978 | .req_line_speed = 0, | |
6979 | .speed_cap_mask = 0, | |
6980 | .req_duplex = 0, | |
6981 | .rsrv = 0, | |
6982 | .config_init = (config_init_t)bnx2x_8705_config_init, | |
6983 | .read_status = (read_status_t)bnx2x_8705_read_status, | |
6984 | .link_reset = (link_reset_t)bnx2x_common_ext_link_reset, | |
6985 | .config_loopback = (config_loopback_t)NULL, | |
6986 | .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver, | |
6987 | .hw_reset = (hw_reset_t)NULL, | |
6988 | .set_link_led = (set_link_led_t)NULL, | |
6989 | .phy_specific_func = (phy_specific_func_t)NULL | |
6990 | }; | |
6991 | static struct bnx2x_phy phy_8706 = { | |
6992 | .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706, | |
6993 | .addr = 0xff, | |
6994 | .flags = FLAGS_INIT_XGXS_FIRST, | |
6995 | .def_md_devad = 0, | |
6996 | .reserved = 0, | |
6997 | .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, | |
6998 | .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, | |
6999 | .mdio_ctrl = 0, | |
7000 | .supported = (SUPPORTED_10000baseT_Full | | |
7001 | SUPPORTED_1000baseT_Full | | |
7002 | SUPPORTED_FIBRE | | |
7003 | SUPPORTED_Pause | | |
7004 | SUPPORTED_Asym_Pause), | |
7005 | .media_type = ETH_PHY_SFP_FIBER, | |
7006 | .ver_addr = 0, | |
7007 | .req_flow_ctrl = 0, | |
7008 | .req_line_speed = 0, | |
7009 | .speed_cap_mask = 0, | |
7010 | .req_duplex = 0, | |
7011 | .rsrv = 0, | |
7012 | .config_init = (config_init_t)bnx2x_8706_config_init, | |
7013 | .read_status = (read_status_t)bnx2x_8706_read_status, | |
7014 | .link_reset = (link_reset_t)bnx2x_common_ext_link_reset, | |
7015 | .config_loopback = (config_loopback_t)NULL, | |
7016 | .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, | |
7017 | .hw_reset = (hw_reset_t)NULL, | |
7018 | .set_link_led = (set_link_led_t)NULL, | |
7019 | .phy_specific_func = (phy_specific_func_t)NULL | |
7020 | }; | |
7021 | ||
7022 | static struct bnx2x_phy phy_8726 = { | |
7023 | .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726, | |
7024 | .addr = 0xff, | |
7025 | .flags = (FLAGS_HW_LOCK_REQUIRED | | |
7026 | FLAGS_INIT_XGXS_FIRST), | |
7027 | .def_md_devad = 0, | |
7028 | .reserved = 0, | |
7029 | .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, | |
7030 | .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, | |
7031 | .mdio_ctrl = 0, | |
7032 | .supported = (SUPPORTED_10000baseT_Full | | |
7033 | SUPPORTED_1000baseT_Full | | |
7034 | SUPPORTED_Autoneg | | |
7035 | SUPPORTED_FIBRE | | |
7036 | SUPPORTED_Pause | | |
7037 | SUPPORTED_Asym_Pause), | |
7038 | .media_type = ETH_PHY_SFP_FIBER, | |
7039 | .ver_addr = 0, | |
7040 | .req_flow_ctrl = 0, | |
7041 | .req_line_speed = 0, | |
7042 | .speed_cap_mask = 0, | |
7043 | .req_duplex = 0, | |
7044 | .rsrv = 0, | |
7045 | .config_init = (config_init_t)bnx2x_8726_config_init, | |
7046 | .read_status = (read_status_t)bnx2x_8726_read_status, | |
7047 | .link_reset = (link_reset_t)bnx2x_8726_link_reset, | |
7048 | .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback, | |
7049 | .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, | |
7050 | .hw_reset = (hw_reset_t)NULL, | |
7051 | .set_link_led = (set_link_led_t)NULL, | |
7052 | .phy_specific_func = (phy_specific_func_t)NULL | |
7053 | }; | |
7054 | ||
7055 | static struct bnx2x_phy phy_8727 = { | |
7056 | .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727, | |
7057 | .addr = 0xff, | |
7058 | .flags = FLAGS_FAN_FAILURE_DET_REQ, | |
7059 | .def_md_devad = 0, | |
7060 | .reserved = 0, | |
7061 | .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, | |
7062 | .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, | |
7063 | .mdio_ctrl = 0, | |
7064 | .supported = (SUPPORTED_10000baseT_Full | | |
7065 | SUPPORTED_1000baseT_Full | | |
7066 | SUPPORTED_FIBRE | | |
7067 | SUPPORTED_Pause | | |
7068 | SUPPORTED_Asym_Pause), | |
7069 | .media_type = ETH_PHY_SFP_FIBER, | |
7070 | .ver_addr = 0, | |
7071 | .req_flow_ctrl = 0, | |
7072 | .req_line_speed = 0, | |
7073 | .speed_cap_mask = 0, | |
7074 | .req_duplex = 0, | |
7075 | .rsrv = 0, | |
7076 | .config_init = (config_init_t)bnx2x_8727_config_init, | |
7077 | .read_status = (read_status_t)bnx2x_8727_read_status, | |
7078 | .link_reset = (link_reset_t)bnx2x_8727_link_reset, | |
7079 | .config_loopback = (config_loopback_t)NULL, | |
7080 | .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, | |
7081 | .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset, | |
7082 | .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led, | |
7083 | .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func | |
7084 | }; | |
7085 | static struct bnx2x_phy phy_8481 = { | |
7086 | .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481, | |
7087 | .addr = 0xff, | |
7088 | .flags = FLAGS_FAN_FAILURE_DET_REQ | | |
7089 | FLAGS_REARM_LATCH_SIGNAL, | |
7090 | .def_md_devad = 0, | |
7091 | .reserved = 0, | |
7092 | .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, | |
7093 | .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, | |
7094 | .mdio_ctrl = 0, | |
7095 | .supported = (SUPPORTED_10baseT_Half | | |
7096 | SUPPORTED_10baseT_Full | | |
7097 | SUPPORTED_100baseT_Half | | |
7098 | SUPPORTED_100baseT_Full | | |
7099 | SUPPORTED_1000baseT_Full | | |
7100 | SUPPORTED_10000baseT_Full | | |
7101 | SUPPORTED_TP | | |
7102 | SUPPORTED_Autoneg | | |
7103 | SUPPORTED_Pause | | |
7104 | SUPPORTED_Asym_Pause), | |
7105 | .media_type = ETH_PHY_BASE_T, | |
7106 | .ver_addr = 0, | |
7107 | .req_flow_ctrl = 0, | |
7108 | .req_line_speed = 0, | |
7109 | .speed_cap_mask = 0, | |
7110 | .req_duplex = 0, | |
7111 | .rsrv = 0, | |
7112 | .config_init = (config_init_t)bnx2x_8481_config_init, | |
7113 | .read_status = (read_status_t)bnx2x_848xx_read_status, | |
7114 | .link_reset = (link_reset_t)bnx2x_8481_link_reset, | |
7115 | .config_loopback = (config_loopback_t)NULL, | |
7116 | .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver, | |
7117 | .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset, | |
7118 | .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led, | |
7119 | .phy_specific_func = (phy_specific_func_t)NULL | |
7120 | }; | |
7121 | ||
7122 | static struct bnx2x_phy phy_84823 = { | |
7123 | .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823, | |
7124 | .addr = 0xff, | |
7125 | .flags = FLAGS_FAN_FAILURE_DET_REQ | | |
7126 | FLAGS_REARM_LATCH_SIGNAL, | |
7127 | .def_md_devad = 0, | |
7128 | .reserved = 0, | |
7129 | .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, | |
7130 | .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, | |
7131 | .mdio_ctrl = 0, | |
7132 | .supported = (SUPPORTED_10baseT_Half | | |
7133 | SUPPORTED_10baseT_Full | | |
7134 | SUPPORTED_100baseT_Half | | |
7135 | SUPPORTED_100baseT_Full | | |
7136 | SUPPORTED_1000baseT_Full | | |
7137 | SUPPORTED_10000baseT_Full | | |
7138 | SUPPORTED_TP | | |
7139 | SUPPORTED_Autoneg | | |
7140 | SUPPORTED_Pause | | |
7141 | SUPPORTED_Asym_Pause), | |
7142 | .media_type = ETH_PHY_BASE_T, | |
7143 | .ver_addr = 0, | |
7144 | .req_flow_ctrl = 0, | |
7145 | .req_line_speed = 0, | |
7146 | .speed_cap_mask = 0, | |
7147 | .req_duplex = 0, | |
7148 | .rsrv = 0, | |
7149 | .config_init = (config_init_t)bnx2x_848x3_config_init, | |
7150 | .read_status = (read_status_t)bnx2x_848xx_read_status, | |
7151 | .link_reset = (link_reset_t)bnx2x_848x3_link_reset, | |
7152 | .config_loopback = (config_loopback_t)NULL, | |
7153 | .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver, | |
7154 | .hw_reset = (hw_reset_t)NULL, | |
7155 | .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led, | |
7156 | .phy_specific_func = (phy_specific_func_t)NULL | |
7157 | }; | |
7158 | ||
7159 | static struct bnx2x_phy phy_84833 = { | |
7160 | .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833, | |
7161 | .addr = 0xff, | |
7162 | .flags = FLAGS_FAN_FAILURE_DET_REQ | | |
7163 | FLAGS_REARM_LATCH_SIGNAL, | |
7164 | .def_md_devad = 0, | |
7165 | .reserved = 0, | |
7166 | .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, | |
7167 | .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, | |
7168 | .mdio_ctrl = 0, | |
7169 | .supported = (SUPPORTED_10baseT_Half | | |
7170 | SUPPORTED_10baseT_Full | | |
7171 | SUPPORTED_100baseT_Half | | |
7172 | SUPPORTED_100baseT_Full | | |
7173 | SUPPORTED_1000baseT_Full | | |
7174 | SUPPORTED_10000baseT_Full | | |
7175 | SUPPORTED_TP | | |
7176 | SUPPORTED_Autoneg | | |
7177 | SUPPORTED_Pause | | |
7178 | SUPPORTED_Asym_Pause), | |
7179 | .media_type = ETH_PHY_BASE_T, | |
7180 | .ver_addr = 0, | |
7181 | .req_flow_ctrl = 0, | |
7182 | .req_line_speed = 0, | |
7183 | .speed_cap_mask = 0, | |
7184 | .req_duplex = 0, | |
7185 | .rsrv = 0, | |
7186 | .config_init = (config_init_t)bnx2x_848x3_config_init, | |
7187 | .read_status = (read_status_t)bnx2x_848xx_read_status, | |
7188 | .link_reset = (link_reset_t)bnx2x_848x3_link_reset, | |
7189 | .config_loopback = (config_loopback_t)NULL, | |
7190 | .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver, | |
7191 | .hw_reset = (hw_reset_t)NULL, | |
7192 | .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led, | |
7193 | .phy_specific_func = (phy_specific_func_t)NULL | |
7194 | }; | |
7195 | ||
7196 | /*****************************************************************/ | |
7197 | /* */ | |
7198 | /* Populate the phy according. Main function: bnx2x_populate_phy */ | |
7199 | /* */ | |
7200 | /*****************************************************************/ | |
7201 | ||
7202 | static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base, | |
7203 | struct bnx2x_phy *phy, u8 port, | |
7204 | u8 phy_index) | |
7205 | { | |
7206 | /* Get the 4 lanes xgxs config rx and tx */ | |
7207 | u32 rx = 0, tx = 0, i; | |
7208 | for (i = 0; i < 2; i++) { | |
7209 | /* | |
7210 | * INT_PHY and EXT_PHY1 share the same value location in the | |
7211 | * shmem. When num_phys is greater than 1, than this value | |
7212 | * applies only to EXT_PHY1 | |
7213 | */ | |
7214 | if (phy_index == INT_PHY || phy_index == EXT_PHY1) { | |
7215 | rx = REG_RD(bp, shmem_base + | |
7216 | offsetof(struct shmem_region, | |
7217 | dev_info.port_hw_config[port].xgxs_config_rx[i<<1])); | |
7218 | ||
7219 | tx = REG_RD(bp, shmem_base + | |
7220 | offsetof(struct shmem_region, | |
7221 | dev_info.port_hw_config[port].xgxs_config_tx[i<<1])); | |
7222 | } else { | |
7223 | rx = REG_RD(bp, shmem_base + | |
7224 | offsetof(struct shmem_region, | |
7225 | dev_info.port_hw_config[port].xgxs_config2_rx[i<<1])); | |
7226 | ||
7227 | tx = REG_RD(bp, shmem_base + | |
7228 | offsetof(struct shmem_region, | |
7229 | dev_info.port_hw_config[port].xgxs_config2_rx[i<<1])); | |
7230 | } | |
7231 | ||
7232 | phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff); | |
7233 | phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff); | |
7234 | ||
7235 | phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff); | |
7236 | phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff); | |
7237 | } | |
7238 | } | |
7239 | ||
7240 | static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base, | |
7241 | u8 phy_index, u8 port) | |
7242 | { | |
7243 | u32 ext_phy_config = 0; | |
7244 | switch (phy_index) { | |
7245 | case EXT_PHY1: | |
7246 | ext_phy_config = REG_RD(bp, shmem_base + | |
7247 | offsetof(struct shmem_region, | |
7248 | dev_info.port_hw_config[port].external_phy_config)); | |
7249 | break; | |
7250 | case EXT_PHY2: | |
7251 | ext_phy_config = REG_RD(bp, shmem_base + | |
7252 | offsetof(struct shmem_region, | |
7253 | dev_info.port_hw_config[port].external_phy_config2)); | |
7254 | break; | |
7255 | default: | |
7256 | DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index); | |
7257 | return -EINVAL; | |
7258 | } | |
7259 | ||
7260 | return ext_phy_config; | |
7261 | } | |
7262 | static u8 bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port, | |
7263 | struct bnx2x_phy *phy) | |
7264 | { | |
7265 | u32 phy_addr; | |
7266 | u32 chip_id; | |
7267 | u32 switch_cfg = (REG_RD(bp, shmem_base + | |
7268 | offsetof(struct shmem_region, | |
7269 | dev_info.port_feature_config[port].link_config)) & | |
7270 | PORT_FEATURE_CONNECTED_SWITCH_MASK); | |
7271 | chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16; | |
7272 | switch (switch_cfg) { | |
7273 | case SWITCH_CFG_1G: | |
7274 | phy_addr = REG_RD(bp, | |
7275 | NIG_REG_SERDES0_CTRL_PHY_ADDR + | |
7276 | port * 0x10); | |
7277 | *phy = phy_serdes; | |
7278 | break; | |
7279 | case SWITCH_CFG_10G: | |
7280 | phy_addr = REG_RD(bp, | |
7281 | NIG_REG_XGXS0_CTRL_PHY_ADDR + | |
7282 | port * 0x18); | |
7283 | *phy = phy_xgxs; | |
7284 | break; | |
7285 | default: | |
7286 | DP(NETIF_MSG_LINK, "Invalid switch_cfg\n"); | |
7287 | return -EINVAL; | |
7288 | } | |
7289 | phy->addr = (u8)phy_addr; | |
7290 | phy->mdio_ctrl = bnx2x_get_emac_base(bp, | |
7291 | SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH, | |
7292 | port); | |
7293 | if (CHIP_IS_E2(bp)) | |
7294 | phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR; | |
7295 | else | |
7296 | phy->def_md_devad = DEFAULT_PHY_DEV_ADDR; | |
7297 | ||
7298 | DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n", | |
7299 | port, phy->addr, phy->mdio_ctrl); | |
7300 | ||
7301 | bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY); | |
7302 | return 0; | |
7303 | } | |
7304 | ||
7305 | static u8 bnx2x_populate_ext_phy(struct bnx2x *bp, | |
7306 | u8 phy_index, | |
7307 | u32 shmem_base, | |
7308 | u32 shmem2_base, | |
7309 | u8 port, | |
7310 | struct bnx2x_phy *phy) | |
7311 | { | |
7312 | u32 ext_phy_config, phy_type, config2; | |
7313 | u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH; | |
7314 | ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base, | |
7315 | phy_index, port); | |
7316 | phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config); | |
7317 | /* Select the phy type */ | |
7318 | switch (phy_type) { | |
7319 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: | |
7320 | mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED; | |
7321 | *phy = phy_8073; | |
7322 | break; | |
7323 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: | |
7324 | *phy = phy_8705; | |
7325 | break; | |
7326 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: | |
7327 | *phy = phy_8706; | |
7328 | break; | |
7329 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: | |
7330 | mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1; | |
7331 | *phy = phy_8726; | |
7332 | break; | |
7333 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC: | |
7334 | /* BCM8727_NOC => BCM8727 no over current */ | |
7335 | mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1; | |
7336 | *phy = phy_8727; | |
7337 | phy->flags |= FLAGS_NOC; | |
7338 | break; | |
7339 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: | |
7340 | mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1; | |
7341 | *phy = phy_8727; | |
7342 | break; | |
7343 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481: | |
7344 | *phy = phy_8481; | |
7345 | break; | |
7346 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823: | |
7347 | *phy = phy_84823; | |
7348 | break; | |
7349 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833: | |
7350 | *phy = phy_84833; | |
7351 | break; | |
7352 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: | |
7353 | *phy = phy_7101; | |
7354 | break; | |
7355 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE: | |
7356 | *phy = phy_null; | |
7357 | return -EINVAL; | |
7358 | default: | |
7359 | *phy = phy_null; | |
7360 | return 0; | |
7361 | } | |
7362 | ||
7363 | phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config); | |
7364 | bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index); | |
7365 | ||
7366 | /* | |
7367 | * The shmem address of the phy version is located on different | |
7368 | * structures. In case this structure is too old, do not set | |
7369 | * the address | |
7370 | */ | |
7371 | config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region, | |
7372 | dev_info.shared_hw_config.config2)); | |
7373 | if (phy_index == EXT_PHY1) { | |
7374 | phy->ver_addr = shmem_base + offsetof(struct shmem_region, | |
7375 | port_mb[port].ext_phy_fw_version); | |
7376 | ||
7377 | /* Check specific mdc mdio settings */ | |
7378 | if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK) | |
7379 | mdc_mdio_access = config2 & | |
7380 | SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK; | |
7381 | } else { | |
7382 | u32 size = REG_RD(bp, shmem2_base); | |
7383 | ||
7384 | if (size > | |
7385 | offsetof(struct shmem2_region, ext_phy_fw_version2)) { | |
7386 | phy->ver_addr = shmem2_base + | |
7387 | offsetof(struct shmem2_region, | |
7388 | ext_phy_fw_version2[port]); | |
7389 | } | |
7390 | /* Check specific mdc mdio settings */ | |
7391 | if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) | |
7392 | mdc_mdio_access = (config2 & | |
7393 | SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >> | |
7394 | (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT - | |
7395 | SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT); | |
7396 | } | |
7397 | phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port); | |
7398 | ||
7399 | /* | |
7400 | * In case mdc/mdio_access of the external phy is different than the | |
7401 | * mdc/mdio access of the XGXS, a HW lock must be taken in each access | |
7402 | * to prevent one port interfere with another port's CL45 operations. | |
7403 | */ | |
7404 | if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH) | |
7405 | phy->flags |= FLAGS_HW_LOCK_REQUIRED; | |
7406 | DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n", | |
7407 | phy_type, port, phy_index); | |
7408 | DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n", | |
7409 | phy->addr, phy->mdio_ctrl); | |
7410 | return 0; | |
7411 | } | |
7412 | ||
7413 | static u8 bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base, | |
7414 | u32 shmem2_base, u8 port, struct bnx2x_phy *phy) | |
7415 | { | |
7416 | u8 status = 0; | |
7417 | phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN; | |
7418 | if (phy_index == INT_PHY) | |
7419 | return bnx2x_populate_int_phy(bp, shmem_base, port, phy); | |
7420 | status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base, | |
7421 | port, phy); | |
7422 | return status; | |
7423 | } | |
7424 | ||
7425 | static void bnx2x_phy_def_cfg(struct link_params *params, | |
7426 | struct bnx2x_phy *phy, | |
7427 | u8 phy_index) | |
7428 | { | |
7429 | struct bnx2x *bp = params->bp; | |
7430 | u32 link_config; | |
7431 | /* Populate the default phy configuration for MF mode */ | |
7432 | if (phy_index == EXT_PHY2) { | |
7433 | link_config = REG_RD(bp, params->shmem_base + | |
7434 | offsetof(struct shmem_region, dev_info. | |
7435 | port_feature_config[params->port].link_config2)); | |
7436 | phy->speed_cap_mask = REG_RD(bp, params->shmem_base + | |
7437 | offsetof(struct shmem_region, | |
7438 | dev_info. | |
7439 | port_hw_config[params->port].speed_capability_mask2)); | |
7440 | } else { | |
7441 | link_config = REG_RD(bp, params->shmem_base + | |
7442 | offsetof(struct shmem_region, dev_info. | |
7443 | port_feature_config[params->port].link_config)); | |
7444 | phy->speed_cap_mask = REG_RD(bp, params->shmem_base + | |
7445 | offsetof(struct shmem_region, | |
7446 | dev_info. | |
7447 | port_hw_config[params->port].speed_capability_mask)); | |
7448 | } | |
7449 | DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask" | |
7450 | " 0x%x\n", phy_index, link_config, phy->speed_cap_mask); | |
7451 | ||
7452 | phy->req_duplex = DUPLEX_FULL; | |
7453 | switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) { | |
7454 | case PORT_FEATURE_LINK_SPEED_10M_HALF: | |
7455 | phy->req_duplex = DUPLEX_HALF; | |
7456 | case PORT_FEATURE_LINK_SPEED_10M_FULL: | |
7457 | phy->req_line_speed = SPEED_10; | |
7458 | break; | |
7459 | case PORT_FEATURE_LINK_SPEED_100M_HALF: | |
7460 | phy->req_duplex = DUPLEX_HALF; | |
7461 | case PORT_FEATURE_LINK_SPEED_100M_FULL: | |
7462 | phy->req_line_speed = SPEED_100; | |
7463 | break; | |
7464 | case PORT_FEATURE_LINK_SPEED_1G: | |
7465 | phy->req_line_speed = SPEED_1000; | |
7466 | break; | |
7467 | case PORT_FEATURE_LINK_SPEED_2_5G: | |
7468 | phy->req_line_speed = SPEED_2500; | |
7469 | break; | |
7470 | case PORT_FEATURE_LINK_SPEED_10G_CX4: | |
7471 | phy->req_line_speed = SPEED_10000; | |
7472 | break; | |
7473 | default: | |
7474 | phy->req_line_speed = SPEED_AUTO_NEG; | |
7475 | break; | |
7476 | } | |
7477 | ||
7478 | switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) { | |
7479 | case PORT_FEATURE_FLOW_CONTROL_AUTO: | |
7480 | phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO; | |
7481 | break; | |
7482 | case PORT_FEATURE_FLOW_CONTROL_TX: | |
7483 | phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX; | |
7484 | break; | |
7485 | case PORT_FEATURE_FLOW_CONTROL_RX: | |
7486 | phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX; | |
7487 | break; | |
7488 | case PORT_FEATURE_FLOW_CONTROL_BOTH: | |
7489 | phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH; | |
7490 | break; | |
7491 | default: | |
7492 | phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE; | |
7493 | break; | |
7494 | } | |
7495 | } | |
7496 | ||
7497 | u32 bnx2x_phy_selection(struct link_params *params) | |
7498 | { | |
7499 | u32 phy_config_swapped, prio_cfg; | |
7500 | u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT; | |
7501 | ||
7502 | phy_config_swapped = params->multi_phy_config & | |
7503 | PORT_HW_CFG_PHY_SWAPPED_ENABLED; | |
7504 | ||
7505 | prio_cfg = params->multi_phy_config & | |
7506 | PORT_HW_CFG_PHY_SELECTION_MASK; | |
7507 | ||
7508 | if (phy_config_swapped) { | |
7509 | switch (prio_cfg) { | |
7510 | case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY: | |
7511 | return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY; | |
7512 | break; | |
7513 | case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY: | |
7514 | return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY; | |
7515 | break; | |
7516 | case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY: | |
7517 | return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY; | |
7518 | break; | |
7519 | case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY: | |
7520 | return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY; | |
7521 | break; | |
7522 | } | |
7523 | } else | |
7524 | return_cfg = prio_cfg; | |
7525 | ||
7526 | return return_cfg; | |
7527 | } | |
7528 | ||
7529 | ||
7530 | u8 bnx2x_phy_probe(struct link_params *params) | |
7531 | { | |
7532 | u8 phy_index, actual_phy_idx, link_cfg_idx; | |
7533 | u32 phy_config_swapped; | |
7534 | struct bnx2x *bp = params->bp; | |
7535 | struct bnx2x_phy *phy; | |
7536 | params->num_phys = 0; | |
7537 | DP(NETIF_MSG_LINK, "Begin phy probe\n"); | |
7538 | phy_config_swapped = params->multi_phy_config & | |
7539 | PORT_HW_CFG_PHY_SWAPPED_ENABLED; | |
7540 | ||
7541 | for (phy_index = INT_PHY; phy_index < MAX_PHYS; | |
7542 | phy_index++) { | |
7543 | link_cfg_idx = LINK_CONFIG_IDX(phy_index); | |
7544 | actual_phy_idx = phy_index; | |
7545 | if (phy_config_swapped) { | |
7546 | if (phy_index == EXT_PHY1) | |
7547 | actual_phy_idx = EXT_PHY2; | |
7548 | else if (phy_index == EXT_PHY2) | |
7549 | actual_phy_idx = EXT_PHY1; | |
7550 | } | |
7551 | DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x," | |
7552 | " actual_phy_idx %x\n", phy_config_swapped, | |
7553 | phy_index, actual_phy_idx); | |
7554 | phy = ¶ms->phy[actual_phy_idx]; | |
7555 | if (bnx2x_populate_phy(bp, phy_index, params->shmem_base, | |
7556 | params->shmem2_base, params->port, | |
7557 | phy) != 0) { | |
7558 | params->num_phys = 0; | |
7559 | DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n", | |
7560 | phy_index); | |
7561 | for (phy_index = INT_PHY; | |
7562 | phy_index < MAX_PHYS; | |
7563 | phy_index++) | |
7564 | *phy = phy_null; | |
7565 | return -EINVAL; | |
7566 | } | |
7567 | if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN) | |
7568 | break; | |
7569 | ||
7570 | bnx2x_phy_def_cfg(params, phy, phy_index); | |
7571 | params->num_phys++; | |
7572 | } | |
7573 | ||
7574 | DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys); | |
7575 | return 0; | |
7576 | } | |
7577 | ||
7578 | static void set_phy_vars(struct link_params *params) | |
7579 | { | |
7580 | struct bnx2x *bp = params->bp; | |
7581 | u8 actual_phy_idx, phy_index, link_cfg_idx; | |
7582 | u8 phy_config_swapped = params->multi_phy_config & | |
7583 | PORT_HW_CFG_PHY_SWAPPED_ENABLED; | |
7584 | for (phy_index = INT_PHY; phy_index < params->num_phys; | |
7585 | phy_index++) { | |
7586 | link_cfg_idx = LINK_CONFIG_IDX(phy_index); | |
7587 | actual_phy_idx = phy_index; | |
7588 | if (phy_config_swapped) { | |
7589 | if (phy_index == EXT_PHY1) | |
7590 | actual_phy_idx = EXT_PHY2; | |
7591 | else if (phy_index == EXT_PHY2) | |
7592 | actual_phy_idx = EXT_PHY1; | |
7593 | } | |
7594 | params->phy[actual_phy_idx].req_flow_ctrl = | |
7595 | params->req_flow_ctrl[link_cfg_idx]; | |
7596 | ||
7597 | params->phy[actual_phy_idx].req_line_speed = | |
7598 | params->req_line_speed[link_cfg_idx]; | |
7599 | ||
7600 | params->phy[actual_phy_idx].speed_cap_mask = | |
7601 | params->speed_cap_mask[link_cfg_idx]; | |
7602 | ||
7603 | params->phy[actual_phy_idx].req_duplex = | |
7604 | params->req_duplex[link_cfg_idx]; | |
7605 | ||
7606 | DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x," | |
7607 | " speed_cap_mask %x\n", | |
7608 | params->phy[actual_phy_idx].req_flow_ctrl, | |
7609 | params->phy[actual_phy_idx].req_line_speed, | |
7610 | params->phy[actual_phy_idx].speed_cap_mask); | |
7611 | } | |
7612 | } | |
7613 | ||
7614 | u8 bnx2x_phy_init(struct link_params *params, struct link_vars *vars) | |
7615 | { | |
7616 | struct bnx2x *bp = params->bp; | |
7617 | DP(NETIF_MSG_LINK, "Phy Initialization started\n"); | |
7618 | DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n", | |
7619 | params->req_line_speed[0], params->req_flow_ctrl[0]); | |
7620 | DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n", | |
7621 | params->req_line_speed[1], params->req_flow_ctrl[1]); | |
7622 | vars->link_status = 0; | |
7623 | vars->phy_link_up = 0; | |
7624 | vars->link_up = 0; | |
7625 | vars->line_speed = 0; | |
7626 | vars->duplex = DUPLEX_FULL; | |
7627 | vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; | |
7628 | vars->mac_type = MAC_TYPE_NONE; | |
7629 | vars->phy_flags = 0; | |
7630 | ||
7631 | /* disable attentions */ | |
7632 | bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4, | |
7633 | (NIG_MASK_XGXS0_LINK_STATUS | | |
7634 | NIG_MASK_XGXS0_LINK10G | | |
7635 | NIG_MASK_SERDES0_LINK_STATUS | | |
7636 | NIG_MASK_MI_INT)); | |
7637 | ||
7638 | bnx2x_emac_init(params, vars); | |
7639 | ||
7640 | if (params->num_phys == 0) { | |
7641 | DP(NETIF_MSG_LINK, "No phy found for initialization !!\n"); | |
7642 | return -EINVAL; | |
7643 | } | |
7644 | set_phy_vars(params); | |
7645 | ||
7646 | DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys); | |
7647 | if (params->loopback_mode == LOOPBACK_BMAC) { | |
7648 | ||
7649 | vars->link_up = 1; | |
7650 | vars->line_speed = SPEED_10000; | |
7651 | vars->duplex = DUPLEX_FULL; | |
7652 | vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; | |
7653 | vars->mac_type = MAC_TYPE_BMAC; | |
7654 | ||
7655 | vars->phy_flags = PHY_XGXS_FLAG; | |
7656 | ||
7657 | bnx2x_xgxs_deassert(params); | |
7658 | ||
7659 | /* set bmac loopback */ | |
7660 | bnx2x_bmac_enable(params, vars, 1); | |
7661 | ||
7662 | REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); | |
7663 | ||
7664 | } else if (params->loopback_mode == LOOPBACK_EMAC) { | |
7665 | ||
7666 | vars->link_up = 1; | |
7667 | vars->line_speed = SPEED_1000; | |
7668 | vars->duplex = DUPLEX_FULL; | |
7669 | vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; | |
7670 | vars->mac_type = MAC_TYPE_EMAC; | |
7671 | ||
7672 | vars->phy_flags = PHY_XGXS_FLAG; | |
7673 | ||
7674 | bnx2x_xgxs_deassert(params); | |
7675 | /* set bmac loopback */ | |
7676 | bnx2x_emac_enable(params, vars, 1); | |
7677 | bnx2x_emac_program(params, vars); | |
7678 | REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); | |
7679 | ||
7680 | } else if ((params->loopback_mode == LOOPBACK_XGXS) || | |
7681 | (params->loopback_mode == LOOPBACK_EXT_PHY)) { | |
7682 | ||
7683 | vars->link_up = 1; | |
7684 | vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; | |
7685 | vars->duplex = DUPLEX_FULL; | |
7686 | if (params->req_line_speed[0] == SPEED_1000) { | |
7687 | vars->line_speed = SPEED_1000; | |
7688 | vars->mac_type = MAC_TYPE_EMAC; | |
7689 | } else { | |
7690 | vars->line_speed = SPEED_10000; | |
7691 | vars->mac_type = MAC_TYPE_BMAC; | |
7692 | } | |
7693 | ||
7694 | bnx2x_xgxs_deassert(params); | |
7695 | bnx2x_link_initialize(params, vars); | |
7696 | ||
7697 | if (params->req_line_speed[0] == SPEED_1000) { | |
7698 | bnx2x_emac_program(params, vars); | |
7699 | bnx2x_emac_enable(params, vars, 0); | |
7700 | } else | |
7701 | bnx2x_bmac_enable(params, vars, 0); | |
7702 | if (params->loopback_mode == LOOPBACK_XGXS) { | |
7703 | /* set 10G XGXS loopback */ | |
7704 | params->phy[INT_PHY].config_loopback( | |
7705 | ¶ms->phy[INT_PHY], | |
7706 | params); | |
7707 | ||
7708 | } else { | |
7709 | /* set external phy loopback */ | |
7710 | u8 phy_index; | |
7711 | for (phy_index = EXT_PHY1; | |
7712 | phy_index < params->num_phys; phy_index++) { | |
7713 | if (params->phy[phy_index].config_loopback) | |
7714 | params->phy[phy_index].config_loopback( | |
7715 | ¶ms->phy[phy_index], | |
7716 | params); | |
7717 | } | |
7718 | } | |
7719 | REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); | |
7720 | ||
7721 | bnx2x_set_led(params, vars, | |
7722 | LED_MODE_OPER, vars->line_speed); | |
7723 | } else | |
7724 | /* No loopback */ | |
7725 | { | |
7726 | if (params->switch_cfg == SWITCH_CFG_10G) | |
7727 | bnx2x_xgxs_deassert(params); | |
7728 | else | |
7729 | bnx2x_serdes_deassert(bp, params->port); | |
7730 | ||
7731 | bnx2x_link_initialize(params, vars); | |
7732 | msleep(30); | |
7733 | bnx2x_link_int_enable(params); | |
7734 | } | |
7735 | return 0; | |
7736 | } | |
7737 | u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars, | |
7738 | u8 reset_ext_phy) | |
7739 | { | |
7740 | struct bnx2x *bp = params->bp; | |
7741 | u8 phy_index, port = params->port, clear_latch_ind = 0; | |
7742 | DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port); | |
7743 | /* disable attentions */ | |
7744 | vars->link_status = 0; | |
7745 | bnx2x_update_mng(params, vars->link_status); | |
7746 | bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, | |
7747 | (NIG_MASK_XGXS0_LINK_STATUS | | |
7748 | NIG_MASK_XGXS0_LINK10G | | |
7749 | NIG_MASK_SERDES0_LINK_STATUS | | |
7750 | NIG_MASK_MI_INT)); | |
7751 | ||
7752 | /* activate nig drain */ | |
7753 | REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); | |
7754 | ||
7755 | /* disable nig egress interface */ | |
7756 | REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0); | |
7757 | REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0); | |
7758 | ||
7759 | /* Stop BigMac rx */ | |
7760 | bnx2x_bmac_rx_disable(bp, port); | |
7761 | ||
7762 | /* disable emac */ | |
7763 | REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0); | |
7764 | ||
7765 | msleep(10); | |
7766 | /* The PHY reset is controlled by GPIO 1 | |
7767 | * Hold it as vars low | |
7768 | */ | |
7769 | /* clear link led */ | |
7770 | bnx2x_set_led(params, vars, LED_MODE_OFF, 0); | |
7771 | ||
7772 | if (reset_ext_phy) { | |
7773 | for (phy_index = EXT_PHY1; phy_index < params->num_phys; | |
7774 | phy_index++) { | |
7775 | if (params->phy[phy_index].link_reset) | |
7776 | params->phy[phy_index].link_reset( | |
7777 | ¶ms->phy[phy_index], | |
7778 | params); | |
7779 | if (params->phy[phy_index].flags & | |
7780 | FLAGS_REARM_LATCH_SIGNAL) | |
7781 | clear_latch_ind = 1; | |
7782 | } | |
7783 | } | |
7784 | ||
7785 | if (clear_latch_ind) { | |
7786 | /* Clear latching indication */ | |
7787 | bnx2x_rearm_latch_signal(bp, port, 0); | |
7788 | bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4, | |
7789 | 1 << NIG_LATCH_BC_ENABLE_MI_INT); | |
7790 | } | |
7791 | if (params->phy[INT_PHY].link_reset) | |
7792 | params->phy[INT_PHY].link_reset( | |
7793 | ¶ms->phy[INT_PHY], params); | |
7794 | /* reset BigMac */ | |
7795 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, | |
7796 | (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); | |
7797 | ||
7798 | /* disable nig ingress interface */ | |
7799 | REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0); | |
7800 | REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0); | |
7801 | REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0); | |
7802 | REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0); | |
7803 | vars->link_up = 0; | |
7804 | return 0; | |
7805 | } | |
7806 | ||
7807 | /****************************************************************************/ | |
7808 | /* Common function */ | |
7809 | /****************************************************************************/ | |
7810 | static u8 bnx2x_8073_common_init_phy(struct bnx2x *bp, | |
7811 | u32 shmem_base_path[], | |
7812 | u32 shmem2_base_path[], u8 phy_index, | |
7813 | u32 chip_id) | |
7814 | { | |
7815 | struct bnx2x_phy phy[PORT_MAX]; | |
7816 | struct bnx2x_phy *phy_blk[PORT_MAX]; | |
7817 | u16 val; | |
7818 | s8 port = 0; | |
7819 | s8 port_of_path = 0; | |
7820 | u32 swap_val, swap_override; | |
7821 | swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); | |
7822 | swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); | |
7823 | port ^= (swap_val && swap_override); | |
7824 | bnx2x_ext_phy_hw_reset(bp, port); | |
7825 | /* PART1 - Reset both phys */ | |
7826 | for (port = PORT_MAX - 1; port >= PORT_0; port--) { | |
7827 | u32 shmem_base, shmem2_base; | |
7828 | /* In E2, same phy is using for port0 of the two paths */ | |
7829 | if (CHIP_IS_E2(bp)) { | |
7830 | shmem_base = shmem_base_path[port]; | |
7831 | shmem2_base = shmem2_base_path[port]; | |
7832 | port_of_path = 0; | |
7833 | } else { | |
7834 | shmem_base = shmem_base_path[0]; | |
7835 | shmem2_base = shmem2_base_path[0]; | |
7836 | port_of_path = port; | |
7837 | } | |
7838 | ||
7839 | /* Extract the ext phy address for the port */ | |
7840 | if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base, | |
7841 | port_of_path, &phy[port]) != | |
7842 | 0) { | |
7843 | DP(NETIF_MSG_LINK, "populate_phy failed\n"); | |
7844 | return -EINVAL; | |
7845 | } | |
7846 | /* disable attentions */ | |
7847 | bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + | |
7848 | port_of_path*4, | |
7849 | (NIG_MASK_XGXS0_LINK_STATUS | | |
7850 | NIG_MASK_XGXS0_LINK10G | | |
7851 | NIG_MASK_SERDES0_LINK_STATUS | | |
7852 | NIG_MASK_MI_INT)); | |
7853 | ||
7854 | /* Need to take the phy out of low power mode in order | |
7855 | to write to access its registers */ | |
7856 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, | |
7857 | MISC_REGISTERS_GPIO_OUTPUT_HIGH, | |
7858 | port); | |
7859 | ||
7860 | /* Reset the phy */ | |
7861 | bnx2x_cl45_write(bp, &phy[port], | |
7862 | MDIO_PMA_DEVAD, | |
7863 | MDIO_PMA_REG_CTRL, | |
7864 | 1<<15); | |
7865 | } | |
7866 | ||
7867 | /* Add delay of 150ms after reset */ | |
7868 | msleep(150); | |
7869 | ||
7870 | if (phy[PORT_0].addr & 0x1) { | |
7871 | phy_blk[PORT_0] = &(phy[PORT_1]); | |
7872 | phy_blk[PORT_1] = &(phy[PORT_0]); | |
7873 | } else { | |
7874 | phy_blk[PORT_0] = &(phy[PORT_0]); | |
7875 | phy_blk[PORT_1] = &(phy[PORT_1]); | |
7876 | } | |
7877 | ||
7878 | /* PART2 - Download firmware to both phys */ | |
7879 | for (port = PORT_MAX - 1; port >= PORT_0; port--) { | |
7880 | if (CHIP_IS_E2(bp)) | |
7881 | port_of_path = 0; | |
7882 | else | |
7883 | port_of_path = port; | |
7884 | ||
7885 | DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n", | |
7886 | phy_blk[port]->addr); | |
7887 | if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port], | |
7888 | port_of_path)) | |
7889 | return -EINVAL; | |
7890 | ||
7891 | /* Only set bit 10 = 1 (Tx power down) */ | |
7892 | bnx2x_cl45_read(bp, phy_blk[port], | |
7893 | MDIO_PMA_DEVAD, | |
7894 | MDIO_PMA_REG_TX_POWER_DOWN, &val); | |
7895 | ||
7896 | /* Phase1 of TX_POWER_DOWN reset */ | |
7897 | bnx2x_cl45_write(bp, phy_blk[port], | |
7898 | MDIO_PMA_DEVAD, | |
7899 | MDIO_PMA_REG_TX_POWER_DOWN, | |
7900 | (val | 1<<10)); | |
7901 | } | |
7902 | ||
7903 | /* | |
7904 | * Toggle Transmitter: Power down and then up with 600ms delay | |
7905 | * between | |
7906 | */ | |
7907 | msleep(600); | |
7908 | ||
7909 | /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */ | |
7910 | for (port = PORT_MAX - 1; port >= PORT_0; port--) { | |
7911 | /* Phase2 of POWER_DOWN_RESET */ | |
7912 | /* Release bit 10 (Release Tx power down) */ | |
7913 | bnx2x_cl45_read(bp, phy_blk[port], | |
7914 | MDIO_PMA_DEVAD, | |
7915 | MDIO_PMA_REG_TX_POWER_DOWN, &val); | |
7916 | ||
7917 | bnx2x_cl45_write(bp, phy_blk[port], | |
7918 | MDIO_PMA_DEVAD, | |
7919 | MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10)))); | |
7920 | msleep(15); | |
7921 | ||
7922 | /* Read modify write the SPI-ROM version select register */ | |
7923 | bnx2x_cl45_read(bp, phy_blk[port], | |
7924 | MDIO_PMA_DEVAD, | |
7925 | MDIO_PMA_REG_EDC_FFE_MAIN, &val); | |
7926 | bnx2x_cl45_write(bp, phy_blk[port], | |
7927 | MDIO_PMA_DEVAD, | |
7928 | MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12))); | |
7929 | ||
7930 | /* set GPIO2 back to LOW */ | |
7931 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, | |
7932 | MISC_REGISTERS_GPIO_OUTPUT_LOW, port); | |
7933 | } | |
7934 | return 0; | |
7935 | } | |
7936 | static u8 bnx2x_8726_common_init_phy(struct bnx2x *bp, | |
7937 | u32 shmem_base_path[], | |
7938 | u32 shmem2_base_path[], u8 phy_index, | |
7939 | u32 chip_id) | |
7940 | { | |
7941 | u32 val; | |
7942 | s8 port; | |
7943 | struct bnx2x_phy phy; | |
7944 | /* Use port1 because of the static port-swap */ | |
7945 | /* Enable the module detection interrupt */ | |
7946 | val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN); | |
7947 | val |= ((1<<MISC_REGISTERS_GPIO_3)| | |
7948 | (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT))); | |
7949 | REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val); | |
7950 | ||
7951 | bnx2x_ext_phy_hw_reset(bp, 0); | |
7952 | msleep(5); | |
7953 | for (port = 0; port < PORT_MAX; port++) { | |
7954 | u32 shmem_base, shmem2_base; | |
7955 | ||
7956 | /* In E2, same phy is using for port0 of the two paths */ | |
7957 | if (CHIP_IS_E2(bp)) { | |
7958 | shmem_base = shmem_base_path[port]; | |
7959 | shmem2_base = shmem2_base_path[port]; | |
7960 | } else { | |
7961 | shmem_base = shmem_base_path[0]; | |
7962 | shmem2_base = shmem2_base_path[0]; | |
7963 | } | |
7964 | /* Extract the ext phy address for the port */ | |
7965 | if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base, | |
7966 | port, &phy) != | |
7967 | 0) { | |
7968 | DP(NETIF_MSG_LINK, "populate phy failed\n"); | |
7969 | return -EINVAL; | |
7970 | } | |
7971 | ||
7972 | /* Reset phy*/ | |
7973 | bnx2x_cl45_write(bp, &phy, | |
7974 | MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001); | |
7975 | ||
7976 | ||
7977 | /* Set fault module detected LED on */ | |
7978 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0, | |
7979 | MISC_REGISTERS_GPIO_HIGH, | |
7980 | port); | |
7981 | } | |
7982 | ||
7983 | return 0; | |
7984 | } | |
7985 | static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base, | |
7986 | u8 *io_gpio, u8 *io_port) | |
7987 | { | |
7988 | ||
7989 | u32 phy_gpio_reset = REG_RD(bp, shmem_base + | |
7990 | offsetof(struct shmem_region, | |
7991 | dev_info.port_hw_config[PORT_0].default_cfg)); | |
7992 | switch (phy_gpio_reset) { | |
7993 | case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0: | |
7994 | *io_gpio = 0; | |
7995 | *io_port = 0; | |
7996 | break; | |
7997 | case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0: | |
7998 | *io_gpio = 1; | |
7999 | *io_port = 0; | |
8000 | break; | |
8001 | case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0: | |
8002 | *io_gpio = 2; | |
8003 | *io_port = 0; | |
8004 | break; | |
8005 | case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0: | |
8006 | *io_gpio = 3; | |
8007 | *io_port = 0; | |
8008 | break; | |
8009 | case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1: | |
8010 | *io_gpio = 0; | |
8011 | *io_port = 1; | |
8012 | break; | |
8013 | case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1: | |
8014 | *io_gpio = 1; | |
8015 | *io_port = 1; | |
8016 | break; | |
8017 | case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1: | |
8018 | *io_gpio = 2; | |
8019 | *io_port = 1; | |
8020 | break; | |
8021 | case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1: | |
8022 | *io_gpio = 3; | |
8023 | *io_port = 1; | |
8024 | break; | |
8025 | default: | |
8026 | /* Don't override the io_gpio and io_port */ | |
8027 | break; | |
8028 | } | |
8029 | } | |
8030 | static u8 bnx2x_8727_common_init_phy(struct bnx2x *bp, | |
8031 | u32 shmem_base_path[], | |
8032 | u32 shmem2_base_path[], u8 phy_index, | |
8033 | u32 chip_id) | |
8034 | { | |
8035 | s8 port, reset_gpio; | |
8036 | u32 swap_val, swap_override; | |
8037 | struct bnx2x_phy phy[PORT_MAX]; | |
8038 | struct bnx2x_phy *phy_blk[PORT_MAX]; | |
8039 | s8 port_of_path; | |
8040 | swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); | |
8041 | swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); | |
8042 | ||
8043 | reset_gpio = MISC_REGISTERS_GPIO_1; | |
8044 | port = 1; | |
8045 | ||
8046 | /* | |
8047 | * Retrieve the reset gpio/port which control the reset. | |
8048 | * Default is GPIO1, PORT1 | |
8049 | */ | |
8050 | bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0], | |
8051 | (u8 *)&reset_gpio, (u8 *)&port); | |
8052 | ||
8053 | /* Calculate the port based on port swap */ | |
8054 | port ^= (swap_val && swap_override); | |
8055 | ||
8056 | /* Initiate PHY reset*/ | |
8057 | bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW, | |
8058 | port); | |
8059 | msleep(1); | |
8060 | bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH, | |
8061 | port); | |
8062 | ||
8063 | msleep(5); | |
8064 | ||
8065 | /* PART1 - Reset both phys */ | |
8066 | for (port = PORT_MAX - 1; port >= PORT_0; port--) { | |
8067 | u32 shmem_base, shmem2_base; | |
8068 | ||
8069 | /* In E2, same phy is using for port0 of the two paths */ | |
8070 | if (CHIP_IS_E2(bp)) { | |
8071 | shmem_base = shmem_base_path[port]; | |
8072 | shmem2_base = shmem2_base_path[port]; | |
8073 | port_of_path = 0; | |
8074 | } else { | |
8075 | shmem_base = shmem_base_path[0]; | |
8076 | shmem2_base = shmem2_base_path[0]; | |
8077 | port_of_path = port; | |
8078 | } | |
8079 | ||
8080 | /* Extract the ext phy address for the port */ | |
8081 | if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base, | |
8082 | port_of_path, &phy[port]) != | |
8083 | 0) { | |
8084 | DP(NETIF_MSG_LINK, "populate phy failed\n"); | |
8085 | return -EINVAL; | |
8086 | } | |
8087 | /* disable attentions */ | |
8088 | bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + | |
8089 | port_of_path*4, | |
8090 | (NIG_MASK_XGXS0_LINK_STATUS | | |
8091 | NIG_MASK_XGXS0_LINK10G | | |
8092 | NIG_MASK_SERDES0_LINK_STATUS | | |
8093 | NIG_MASK_MI_INT)); | |
8094 | ||
8095 | ||
8096 | /* Reset the phy */ | |
8097 | bnx2x_cl45_write(bp, &phy[port], | |
8098 | MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15); | |
8099 | } | |
8100 | ||
8101 | /* Add delay of 150ms after reset */ | |
8102 | msleep(150); | |
8103 | if (phy[PORT_0].addr & 0x1) { | |
8104 | phy_blk[PORT_0] = &(phy[PORT_1]); | |
8105 | phy_blk[PORT_1] = &(phy[PORT_0]); | |
8106 | } else { | |
8107 | phy_blk[PORT_0] = &(phy[PORT_0]); | |
8108 | phy_blk[PORT_1] = &(phy[PORT_1]); | |
8109 | } | |
8110 | /* PART2 - Download firmware to both phys */ | |
8111 | for (port = PORT_MAX - 1; port >= PORT_0; port--) { | |
8112 | if (CHIP_IS_E2(bp)) | |
8113 | port_of_path = 0; | |
8114 | else | |
8115 | port_of_path = port; | |
8116 | DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n", | |
8117 | phy_blk[port]->addr); | |
8118 | if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port], | |
8119 | port_of_path)) | |
8120 | return -EINVAL; | |
8121 | ||
8122 | } | |
8123 | return 0; | |
8124 | } | |
8125 | ||
8126 | static u8 bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[], | |
8127 | u32 shmem2_base_path[], u8 phy_index, | |
8128 | u32 ext_phy_type, u32 chip_id) | |
8129 | { | |
8130 | u8 rc = 0; | |
8131 | ||
8132 | switch (ext_phy_type) { | |
8133 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: | |
8134 | rc = bnx2x_8073_common_init_phy(bp, shmem_base_path, | |
8135 | shmem2_base_path, | |
8136 | phy_index, chip_id); | |
8137 | break; | |
8138 | ||
8139 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: | |
8140 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC: | |
8141 | rc = bnx2x_8727_common_init_phy(bp, shmem_base_path, | |
8142 | shmem2_base_path, | |
8143 | phy_index, chip_id); | |
8144 | break; | |
8145 | ||
8146 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: | |
8147 | /* | |
8148 | * GPIO1 affects both ports, so there's need to pull | |
8149 | * it for single port alone | |
8150 | */ | |
8151 | rc = bnx2x_8726_common_init_phy(bp, shmem_base_path, | |
8152 | shmem2_base_path, | |
8153 | phy_index, chip_id); | |
8154 | break; | |
8155 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE: | |
8156 | rc = -EINVAL; | |
8157 | break; | |
8158 | default: | |
8159 | DP(NETIF_MSG_LINK, | |
8160 | "ext_phy 0x%x common init not required\n", | |
8161 | ext_phy_type); | |
8162 | break; | |
8163 | } | |
8164 | ||
8165 | if (rc != 0) | |
8166 | netdev_err(bp->dev, "Warning: PHY was not initialized," | |
8167 | " Port %d\n", | |
8168 | 0); | |
8169 | return rc; | |
8170 | } | |
8171 | ||
8172 | u8 bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[], | |
8173 | u32 shmem2_base_path[], u32 chip_id) | |
8174 | { | |
8175 | u8 rc = 0; | |
8176 | u32 phy_ver; | |
8177 | u8 phy_index; | |
8178 | u32 ext_phy_type, ext_phy_config; | |
8179 | DP(NETIF_MSG_LINK, "Begin common phy init\n"); | |
8180 | ||
8181 | /* Check if common init was already done */ | |
8182 | phy_ver = REG_RD(bp, shmem_base_path[0] + | |
8183 | offsetof(struct shmem_region, | |
8184 | port_mb[PORT_0].ext_phy_fw_version)); | |
8185 | if (phy_ver) { | |
8186 | DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n", | |
8187 | phy_ver); | |
8188 | return 0; | |
8189 | } | |
8190 | ||
8191 | /* Read the ext_phy_type for arbitrary port(0) */ | |
8192 | for (phy_index = EXT_PHY1; phy_index < MAX_PHYS; | |
8193 | phy_index++) { | |
8194 | ext_phy_config = bnx2x_get_ext_phy_config(bp, | |
8195 | shmem_base_path[0], | |
8196 | phy_index, 0); | |
8197 | ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config); | |
8198 | rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path, | |
8199 | shmem2_base_path, | |
8200 | phy_index, ext_phy_type, | |
8201 | chip_id); | |
8202 | } | |
8203 | return rc; | |
8204 | } | |
8205 | ||
8206 | u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base) | |
8207 | { | |
8208 | u8 phy_index; | |
8209 | struct bnx2x_phy phy; | |
8210 | for (phy_index = INT_PHY; phy_index < MAX_PHYS; | |
8211 | phy_index++) { | |
8212 | if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base, | |
8213 | 0, &phy) != 0) { | |
8214 | DP(NETIF_MSG_LINK, "populate phy failed\n"); | |
8215 | return 0; | |
8216 | } | |
8217 | ||
8218 | if (phy.flags & FLAGS_HW_LOCK_REQUIRED) | |
8219 | return 1; | |
8220 | } | |
8221 | return 0; | |
8222 | } | |
8223 | ||
8224 | u8 bnx2x_fan_failure_det_req(struct bnx2x *bp, | |
8225 | u32 shmem_base, | |
8226 | u32 shmem2_base, | |
8227 | u8 port) | |
8228 | { | |
8229 | u8 phy_index, fan_failure_det_req = 0; | |
8230 | struct bnx2x_phy phy; | |
8231 | for (phy_index = EXT_PHY1; phy_index < MAX_PHYS; | |
8232 | phy_index++) { | |
8233 | if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base, | |
8234 | port, &phy) | |
8235 | != 0) { | |
8236 | DP(NETIF_MSG_LINK, "populate phy failed\n"); | |
8237 | return 0; | |
8238 | } | |
8239 | fan_failure_det_req |= (phy.flags & | |
8240 | FLAGS_FAN_FAILURE_DET_REQ); | |
8241 | } | |
8242 | return fan_failure_det_req; | |
8243 | } | |
8244 | ||
8245 | void bnx2x_hw_reset_phy(struct link_params *params) | |
8246 | { | |
8247 | u8 phy_index; | |
8248 | for (phy_index = EXT_PHY1; phy_index < MAX_PHYS; | |
8249 | phy_index++) { | |
8250 | if (params->phy[phy_index].hw_reset) { | |
8251 | params->phy[phy_index].hw_reset( | |
8252 | ¶ms->phy[phy_index], | |
8253 | params); | |
8254 | params->phy[phy_index] = phy_null; | |
8255 | } | |
8256 | } | |
8257 | } |