Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[deliverable/linux.git] / drivers / net / ethernet / broadcom / bnx2x / bnx2x_link.c
1 /* Copyright 2008-2012 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 #include "bnx2x_cmn.h"
29
30 /********************************************************/
31 #define ETH_HLEN 14
32 /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
33 #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
34 #define ETH_MIN_PACKET_SIZE 60
35 #define ETH_MAX_PACKET_SIZE 1500
36 #define ETH_MAX_JUMBO_PACKET_SIZE 9600
37 #define MDIO_ACCESS_TIMEOUT 1000
38 #define WC_LANE_MAX 4
39 #define I2C_SWITCH_WIDTH 2
40 #define I2C_BSC0 0
41 #define I2C_BSC1 1
42 #define I2C_WA_RETRY_CNT 3
43 #define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1)
44 #define MCPR_IMC_COMMAND_READ_OP 1
45 #define MCPR_IMC_COMMAND_WRITE_OP 2
46
47 /* LED Blink rate that will achieve ~15.9Hz */
48 #define LED_BLINK_RATE_VAL_E3 354
49 #define LED_BLINK_RATE_VAL_E1X_E2 480
50 /***********************************************************/
51 /* Shortcut definitions */
52 /***********************************************************/
53
54 #define NIG_LATCH_BC_ENABLE_MI_INT 0
55
56 #define NIG_STATUS_EMAC0_MI_INT \
57 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
58 #define NIG_STATUS_XGXS0_LINK10G \
59 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
60 #define NIG_STATUS_XGXS0_LINK_STATUS \
61 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
62 #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
63 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
64 #define NIG_STATUS_SERDES0_LINK_STATUS \
65 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
66 #define NIG_MASK_MI_INT \
67 NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
68 #define NIG_MASK_XGXS0_LINK10G \
69 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
70 #define NIG_MASK_XGXS0_LINK_STATUS \
71 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
72 #define NIG_MASK_SERDES0_LINK_STATUS \
73 NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
74
75 #define MDIO_AN_CL73_OR_37_COMPLETE \
76 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
77 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
78
79 #define XGXS_RESET_BITS \
80 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
81 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
82 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
83 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
84 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
85
86 #define SERDES_RESET_BITS \
87 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
88 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
89 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
90 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
91
92 #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
93 #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
94 #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
95 #define AUTONEG_PARALLEL \
96 SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
97 #define AUTONEG_SGMII_FIBER_AUTODET \
98 SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
99 #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
100
101 #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
102 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
103 #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
104 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
105 #define GP_STATUS_SPEED_MASK \
106 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
107 #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
108 #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
109 #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
110 #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
111 #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
112 #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
113 #define GP_STATUS_10G_HIG \
114 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
115 #define GP_STATUS_10G_CX4 \
116 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
117 #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
118 #define GP_STATUS_10G_KX4 \
119 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
120 #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
121 #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
122 #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
123 #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
124 #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
125 #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
126 #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
127 #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
128 #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
129 #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
130 #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
131 #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
132 #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
133 #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
134 #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
135 #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
136 #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
137 #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
138 #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
139
140
141
142 #define SFP_EEPROM_CON_TYPE_ADDR 0x2
143 #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
144 #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
145
146
147 #define SFP_EEPROM_COMP_CODE_ADDR 0x3
148 #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
149 #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
150 #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
151
152 #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
153 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
154 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
155
156 #define SFP_EEPROM_OPTIONS_ADDR 0x40
157 #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
158 #define SFP_EEPROM_OPTIONS_SIZE 2
159
160 #define EDC_MODE_LINEAR 0x0022
161 #define EDC_MODE_LIMITING 0x0044
162 #define EDC_MODE_PASSIVE_DAC 0x0055
163
164 /* BRB default for class 0 E2 */
165 #define DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR 170
166 #define DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR 250
167 #define DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR 10
168 #define DEFAULT0_E2_BRB_MAC_FULL_XON_THR 50
169
170 /* BRB thresholds for E2*/
171 #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
172 #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
173
174 #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
175 #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
176
177 #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
178 #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
179
180 #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
181 #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
182
183 /* BRB default for class 0 E3A0 */
184 #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR 290
185 #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR 410
186 #define DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR 10
187 #define DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR 50
188
189 /* BRB thresholds for E3A0 */
190 #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
191 #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
192
193 #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
194 #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
195
196 #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
197 #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
198
199 #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
200 #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
201
202 /* BRB default for E3B0 */
203 #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR 330
204 #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR 490
205 #define DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR 15
206 #define DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR 55
207
208 /* BRB thresholds for E3B0 2 port mode*/
209 #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
210 #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
211
212 #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
213 #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
214
215 #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
216 #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
217
218 #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
219 #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
220
221 /* only for E3B0*/
222 #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
223 #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
224
225 /* Lossy +Lossless GUARANTIED == GUART */
226 #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
227 /* Lossless +Lossless*/
228 #define PFC_E3B0_2P_PAUSE_LB_GUART 236
229 /* Lossy +Lossy*/
230 #define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
231
232 /* Lossy +Lossless*/
233 #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
234 /* Lossless +Lossless*/
235 #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
236 /* Lossy +Lossy*/
237 #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
238 #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
239
240 #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
241 #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
242
243 /* BRB thresholds for E3B0 4 port mode */
244 #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
245 #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
246
247 #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
248 #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
249
250 #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
251 #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
252
253 #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
254 #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
255
256 /* only for E3B0*/
257 #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
258 #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
259 #define PFC_E3B0_4P_LB_GUART 120
260
261 #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
262 #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
263
264 #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
265 #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
266
267 /* Pause defines*/
268 #define DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR 330
269 #define DEFAULT_E3B0_BRB_FULL_LB_XON_THR 490
270 #define DEFAULT_E3B0_LB_GUART 40
271
272 #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART 40
273 #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST 0
274
275 #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART 40
276 #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST 0
277
278 /* ETS defines*/
279 #define DCBX_INVALID_COS (0xFF)
280
281 #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
282 #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
283 #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
284 #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
285 #define ETS_E3B0_PBF_MIN_W_VAL (10000)
286
287 #define MAX_PACKET_SIZE (9700)
288 #define MAX_KR_LINK_RETRY 4
289
290 /**********************************************************/
291 /* INTERFACE */
292 /**********************************************************/
293
294 #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
295 bnx2x_cl45_write(_bp, _phy, \
296 (_phy)->def_md_devad, \
297 (_bank + (_addr & 0xf)), \
298 _val)
299
300 #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
301 bnx2x_cl45_read(_bp, _phy, \
302 (_phy)->def_md_devad, \
303 (_bank + (_addr & 0xf)), \
304 _val)
305
306 static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
307 {
308 u32 val = REG_RD(bp, reg);
309
310 val |= bits;
311 REG_WR(bp, reg, val);
312 return val;
313 }
314
315 static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
316 {
317 u32 val = REG_RD(bp, reg);
318
319 val &= ~bits;
320 REG_WR(bp, reg, val);
321 return val;
322 }
323
324 /******************************************************************/
325 /* EPIO/GPIO section */
326 /******************************************************************/
327 static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
328 {
329 u32 epio_mask, gp_oenable;
330 *en = 0;
331 /* Sanity check */
332 if (epio_pin > 31) {
333 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
334 return;
335 }
336
337 epio_mask = 1 << epio_pin;
338 /* Set this EPIO to output */
339 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
340 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
341
342 *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
343 }
344 static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
345 {
346 u32 epio_mask, gp_output, gp_oenable;
347
348 /* Sanity check */
349 if (epio_pin > 31) {
350 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
351 return;
352 }
353 DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
354 epio_mask = 1 << epio_pin;
355 /* Set this EPIO to output */
356 gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
357 if (en)
358 gp_output |= epio_mask;
359 else
360 gp_output &= ~epio_mask;
361
362 REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
363
364 /* Set the value for this EPIO */
365 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
366 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
367 }
368
369 static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
370 {
371 if (pin_cfg == PIN_CFG_NA)
372 return;
373 if (pin_cfg >= PIN_CFG_EPIO0) {
374 bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
375 } else {
376 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
377 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
378 bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
379 }
380 }
381
382 static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
383 {
384 if (pin_cfg == PIN_CFG_NA)
385 return -EINVAL;
386 if (pin_cfg >= PIN_CFG_EPIO0) {
387 bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
388 } else {
389 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
390 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
391 *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
392 }
393 return 0;
394
395 }
396 /******************************************************************/
397 /* ETS section */
398 /******************************************************************/
399 static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
400 {
401 /* ETS disabled configuration*/
402 struct bnx2x *bp = params->bp;
403
404 DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
405
406 /* mapping between entry priority to client number (0,1,2 -debug and
407 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
408 * 3bits client num.
409 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
410 * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
411 */
412
413 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
414 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
415 * as strict. Bits 0,1,2 - debug and management entries, 3 -
416 * COS0 entry, 4 - COS1 entry.
417 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
418 * bit4 bit3 bit2 bit1 bit0
419 * MCP and debug are strict
420 */
421
422 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
423 /* defines which entries (clients) are subjected to WFQ arbitration */
424 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
425 /* For strict priority entries defines the number of consecutive
426 * slots for the highest priority.
427 */
428 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
429 /* mapping between the CREDIT_WEIGHT registers and actual client
430 * numbers
431 */
432 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
433 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
434 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
435
436 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
437 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
438 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
439 /* ETS mode disable */
440 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
441 /* If ETS mode is enabled (there is no strict priority) defines a WFQ
442 * weight for COS0/COS1.
443 */
444 REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
445 REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
446 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
447 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
448 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
449 /* Defines the number of consecutive slots for the strict priority */
450 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
451 }
452 /******************************************************************************
453 * Description:
454 * Getting min_w_val will be set according to line speed .
455 *.
456 ******************************************************************************/
457 static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
458 {
459 u32 min_w_val = 0;
460 /* Calculate min_w_val.*/
461 if (vars->link_up) {
462 if (vars->line_speed == SPEED_20000)
463 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
464 else
465 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
466 } else
467 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
468 /* If the link isn't up (static configuration for example ) The
469 * link will be according to 20GBPS.
470 */
471 return min_w_val;
472 }
473 /******************************************************************************
474 * Description:
475 * Getting credit upper bound form min_w_val.
476 *.
477 ******************************************************************************/
478 static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
479 {
480 const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
481 MAX_PACKET_SIZE);
482 return credit_upper_bound;
483 }
484 /******************************************************************************
485 * Description:
486 * Set credit upper bound for NIG.
487 *.
488 ******************************************************************************/
489 static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
490 const struct link_params *params,
491 const u32 min_w_val)
492 {
493 struct bnx2x *bp = params->bp;
494 const u8 port = params->port;
495 const u32 credit_upper_bound =
496 bnx2x_ets_get_credit_upper_bound(min_w_val);
497
498 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
499 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
500 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
501 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
502 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
503 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
504 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
505 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
506 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
507 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
508 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
509 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
510
511 if (!port) {
512 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
513 credit_upper_bound);
514 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
515 credit_upper_bound);
516 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
517 credit_upper_bound);
518 }
519 }
520 /******************************************************************************
521 * Description:
522 * Will return the NIG ETS registers to init values.Except
523 * credit_upper_bound.
524 * That isn't used in this configuration (No WFQ is enabled) and will be
525 * configured acording to spec
526 *.
527 ******************************************************************************/
528 static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
529 const struct link_vars *vars)
530 {
531 struct bnx2x *bp = params->bp;
532 const u8 port = params->port;
533 const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
534 /* Mapping between entry priority to client number (0,1,2 -debug and
535 * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
536 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
537 * reset value or init tool
538 */
539 if (port) {
540 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
541 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
542 } else {
543 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
544 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
545 }
546 /* For strict priority entries defines the number of consecutive
547 * slots for the highest priority.
548 */
549 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
550 NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
551 /* Mapping between the CREDIT_WEIGHT registers and actual client
552 * numbers
553 */
554 if (port) {
555 /*Port 1 has 6 COS*/
556 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
557 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
558 } else {
559 /*Port 0 has 9 COS*/
560 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
561 0x43210876);
562 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
563 }
564
565 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
566 * as strict. Bits 0,1,2 - debug and management entries, 3 -
567 * COS0 entry, 4 - COS1 entry.
568 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
569 * bit4 bit3 bit2 bit1 bit0
570 * MCP and debug are strict
571 */
572 if (port)
573 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
574 else
575 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
576 /* defines which entries (clients) are subjected to WFQ arbitration */
577 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
578 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
579
580 /* Please notice the register address are note continuous and a
581 * for here is note appropriate.In 2 port mode port0 only COS0-5
582 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
583 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
584 * are never used for WFQ
585 */
586 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
587 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
588 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
589 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
590 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
591 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
592 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
593 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
594 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
595 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
596 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
597 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
598 if (!port) {
599 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
600 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
601 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
602 }
603
604 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
605 }
606 /******************************************************************************
607 * Description:
608 * Set credit upper bound for PBF.
609 *.
610 ******************************************************************************/
611 static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
612 const struct link_params *params,
613 const u32 min_w_val)
614 {
615 struct bnx2x *bp = params->bp;
616 const u32 credit_upper_bound =
617 bnx2x_ets_get_credit_upper_bound(min_w_val);
618 const u8 port = params->port;
619 u32 base_upper_bound = 0;
620 u8 max_cos = 0;
621 u8 i = 0;
622 /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
623 * port mode port1 has COS0-2 that can be used for WFQ.
624 */
625 if (!port) {
626 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
627 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
628 } else {
629 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
630 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
631 }
632
633 for (i = 0; i < max_cos; i++)
634 REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
635 }
636
637 /******************************************************************************
638 * Description:
639 * Will return the PBF ETS registers to init values.Except
640 * credit_upper_bound.
641 * That isn't used in this configuration (No WFQ is enabled) and will be
642 * configured acording to spec
643 *.
644 ******************************************************************************/
645 static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
646 {
647 struct bnx2x *bp = params->bp;
648 const u8 port = params->port;
649 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
650 u8 i = 0;
651 u32 base_weight = 0;
652 u8 max_cos = 0;
653
654 /* Mapping between entry priority to client number 0 - COS0
655 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
656 * TODO_ETS - Should be done by reset value or init tool
657 */
658 if (port)
659 /* 0x688 (|011|0 10|00 1|000) */
660 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
661 else
662 /* (10 1|100 |011|0 10|00 1|000) */
663 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
664
665 /* TODO_ETS - Should be done by reset value or init tool */
666 if (port)
667 /* 0x688 (|011|0 10|00 1|000)*/
668 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
669 else
670 /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
671 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
672
673 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
674 PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
675
676
677 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
678 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
679
680 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
681 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
682 /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
683 * In 4 port mode port1 has COS0-2 that can be used for WFQ.
684 */
685 if (!port) {
686 base_weight = PBF_REG_COS0_WEIGHT_P0;
687 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
688 } else {
689 base_weight = PBF_REG_COS0_WEIGHT_P1;
690 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
691 }
692
693 for (i = 0; i < max_cos; i++)
694 REG_WR(bp, base_weight + (0x4 * i), 0);
695
696 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
697 }
698 /******************************************************************************
699 * Description:
700 * E3B0 disable will return basicly the values to init values.
701 *.
702 ******************************************************************************/
703 static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
704 const struct link_vars *vars)
705 {
706 struct bnx2x *bp = params->bp;
707
708 if (!CHIP_IS_E3B0(bp)) {
709 DP(NETIF_MSG_LINK,
710 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
711 return -EINVAL;
712 }
713
714 bnx2x_ets_e3b0_nig_disabled(params, vars);
715
716 bnx2x_ets_e3b0_pbf_disabled(params);
717
718 return 0;
719 }
720
721 /******************************************************************************
722 * Description:
723 * Disable will return basicly the values to init values.
724 *
725 ******************************************************************************/
726 int bnx2x_ets_disabled(struct link_params *params,
727 struct link_vars *vars)
728 {
729 struct bnx2x *bp = params->bp;
730 int bnx2x_status = 0;
731
732 if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
733 bnx2x_ets_e2e3a0_disabled(params);
734 else if (CHIP_IS_E3B0(bp))
735 bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
736 else {
737 DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
738 return -EINVAL;
739 }
740
741 return bnx2x_status;
742 }
743
744 /******************************************************************************
745 * Description
746 * Set the COS mappimg to SP and BW until this point all the COS are not
747 * set as SP or BW.
748 ******************************************************************************/
749 static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
750 const struct bnx2x_ets_params *ets_params,
751 const u8 cos_sp_bitmap,
752 const u8 cos_bw_bitmap)
753 {
754 struct bnx2x *bp = params->bp;
755 const u8 port = params->port;
756 const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
757 const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
758 const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
759 const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
760
761 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
762 NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
763
764 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
765 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
766
767 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
768 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
769 nig_cli_subject2wfq_bitmap);
770
771 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
772 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
773 pbf_cli_subject2wfq_bitmap);
774
775 return 0;
776 }
777
778 /******************************************************************************
779 * Description:
780 * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
781 * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
782 ******************************************************************************/
783 static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
784 const u8 cos_entry,
785 const u32 min_w_val_nig,
786 const u32 min_w_val_pbf,
787 const u16 total_bw,
788 const u8 bw,
789 const u8 port)
790 {
791 u32 nig_reg_adress_crd_weight = 0;
792 u32 pbf_reg_adress_crd_weight = 0;
793 /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
794 const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
795 const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
796
797 switch (cos_entry) {
798 case 0:
799 nig_reg_adress_crd_weight =
800 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
801 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
802 pbf_reg_adress_crd_weight = (port) ?
803 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
804 break;
805 case 1:
806 nig_reg_adress_crd_weight = (port) ?
807 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
808 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
809 pbf_reg_adress_crd_weight = (port) ?
810 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
811 break;
812 case 2:
813 nig_reg_adress_crd_weight = (port) ?
814 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
815 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
816
817 pbf_reg_adress_crd_weight = (port) ?
818 PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
819 break;
820 case 3:
821 if (port)
822 return -EINVAL;
823 nig_reg_adress_crd_weight =
824 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
825 pbf_reg_adress_crd_weight =
826 PBF_REG_COS3_WEIGHT_P0;
827 break;
828 case 4:
829 if (port)
830 return -EINVAL;
831 nig_reg_adress_crd_weight =
832 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
833 pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
834 break;
835 case 5:
836 if (port)
837 return -EINVAL;
838 nig_reg_adress_crd_weight =
839 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
840 pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
841 break;
842 }
843
844 REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
845
846 REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
847
848 return 0;
849 }
850 /******************************************************************************
851 * Description:
852 * Calculate the total BW.A value of 0 isn't legal.
853 *
854 ******************************************************************************/
855 static int bnx2x_ets_e3b0_get_total_bw(
856 const struct link_params *params,
857 struct bnx2x_ets_params *ets_params,
858 u16 *total_bw)
859 {
860 struct bnx2x *bp = params->bp;
861 u8 cos_idx = 0;
862 u8 is_bw_cos_exist = 0;
863
864 *total_bw = 0 ;
865 /* Calculate total BW requested */
866 for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
867 if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
868 is_bw_cos_exist = 1;
869 if (!ets_params->cos[cos_idx].params.bw_params.bw) {
870 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
871 "was set to 0\n");
872 /* This is to prevent a state when ramrods
873 * can't be sent
874 */
875 ets_params->cos[cos_idx].params.bw_params.bw
876 = 1;
877 }
878 *total_bw +=
879 ets_params->cos[cos_idx].params.bw_params.bw;
880 }
881 }
882
883 /* Check total BW is valid */
884 if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
885 if (*total_bw == 0) {
886 DP(NETIF_MSG_LINK,
887 "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
888 return -EINVAL;
889 }
890 DP(NETIF_MSG_LINK,
891 "bnx2x_ets_E3B0_config total BW should be 100\n");
892 /* We can handle a case whre the BW isn't 100 this can happen
893 * if the TC are joined.
894 */
895 }
896 return 0;
897 }
898
899 /******************************************************************************
900 * Description:
901 * Invalidate all the sp_pri_to_cos.
902 *
903 ******************************************************************************/
904 static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
905 {
906 u8 pri = 0;
907 for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
908 sp_pri_to_cos[pri] = DCBX_INVALID_COS;
909 }
910 /******************************************************************************
911 * Description:
912 * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
913 * according to sp_pri_to_cos.
914 *
915 ******************************************************************************/
916 static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
917 u8 *sp_pri_to_cos, const u8 pri,
918 const u8 cos_entry)
919 {
920 struct bnx2x *bp = params->bp;
921 const u8 port = params->port;
922 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
923 DCBX_E3B0_MAX_NUM_COS_PORT0;
924
925 if (pri >= max_num_of_cos) {
926 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
927 "parameter Illegal strict priority\n");
928 return -EINVAL;
929 }
930
931 if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
932 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
933 "parameter There can't be two COS's with "
934 "the same strict pri\n");
935 return -EINVAL;
936 }
937
938 sp_pri_to_cos[pri] = cos_entry;
939 return 0;
940
941 }
942
943 /******************************************************************************
944 * Description:
945 * Returns the correct value according to COS and priority in
946 * the sp_pri_cli register.
947 *
948 ******************************************************************************/
949 static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
950 const u8 pri_set,
951 const u8 pri_offset,
952 const u8 entry_size)
953 {
954 u64 pri_cli_nig = 0;
955 pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
956 (pri_set + pri_offset));
957
958 return pri_cli_nig;
959 }
960 /******************************************************************************
961 * Description:
962 * Returns the correct value according to COS and priority in the
963 * sp_pri_cli register for NIG.
964 *
965 ******************************************************************************/
966 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
967 {
968 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
969 const u8 nig_cos_offset = 3;
970 const u8 nig_pri_offset = 3;
971
972 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
973 nig_pri_offset, 4);
974
975 }
976 /******************************************************************************
977 * Description:
978 * Returns the correct value according to COS and priority in the
979 * sp_pri_cli register for PBF.
980 *
981 ******************************************************************************/
982 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
983 {
984 const u8 pbf_cos_offset = 0;
985 const u8 pbf_pri_offset = 0;
986
987 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
988 pbf_pri_offset, 3);
989
990 }
991
992 /******************************************************************************
993 * Description:
994 * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
995 * according to sp_pri_to_cos.(which COS has higher priority)
996 *
997 ******************************************************************************/
998 static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
999 u8 *sp_pri_to_cos)
1000 {
1001 struct bnx2x *bp = params->bp;
1002 u8 i = 0;
1003 const u8 port = params->port;
1004 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
1005 u64 pri_cli_nig = 0x210;
1006 u32 pri_cli_pbf = 0x0;
1007 u8 pri_set = 0;
1008 u8 pri_bitmask = 0;
1009 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1010 DCBX_E3B0_MAX_NUM_COS_PORT0;
1011
1012 u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
1013
1014 /* Set all the strict priority first */
1015 for (i = 0; i < max_num_of_cos; i++) {
1016 if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
1017 if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
1018 DP(NETIF_MSG_LINK,
1019 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1020 "invalid cos entry\n");
1021 return -EINVAL;
1022 }
1023
1024 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1025 sp_pri_to_cos[i], pri_set);
1026
1027 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1028 sp_pri_to_cos[i], pri_set);
1029 pri_bitmask = 1 << sp_pri_to_cos[i];
1030 /* COS is used remove it from bitmap.*/
1031 if (!(pri_bitmask & cos_bit_to_set)) {
1032 DP(NETIF_MSG_LINK,
1033 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1034 "invalid There can't be two COS's with"
1035 " the same strict pri\n");
1036 return -EINVAL;
1037 }
1038 cos_bit_to_set &= ~pri_bitmask;
1039 pri_set++;
1040 }
1041 }
1042
1043 /* Set all the Non strict priority i= COS*/
1044 for (i = 0; i < max_num_of_cos; i++) {
1045 pri_bitmask = 1 << i;
1046 /* Check if COS was already used for SP */
1047 if (pri_bitmask & cos_bit_to_set) {
1048 /* COS wasn't used for SP */
1049 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1050 i, pri_set);
1051
1052 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1053 i, pri_set);
1054 /* COS is used remove it from bitmap.*/
1055 cos_bit_to_set &= ~pri_bitmask;
1056 pri_set++;
1057 }
1058 }
1059
1060 if (pri_set != max_num_of_cos) {
1061 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
1062 "entries were set\n");
1063 return -EINVAL;
1064 }
1065
1066 if (port) {
1067 /* Only 6 usable clients*/
1068 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1069 (u32)pri_cli_nig);
1070
1071 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
1072 } else {
1073 /* Only 9 usable clients*/
1074 const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
1075 const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
1076
1077 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1078 pri_cli_nig_lsb);
1079 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1080 pri_cli_nig_msb);
1081
1082 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
1083 }
1084 return 0;
1085 }
1086
1087 /******************************************************************************
1088 * Description:
1089 * Configure the COS to ETS according to BW and SP settings.
1090 ******************************************************************************/
1091 int bnx2x_ets_e3b0_config(const struct link_params *params,
1092 const struct link_vars *vars,
1093 struct bnx2x_ets_params *ets_params)
1094 {
1095 struct bnx2x *bp = params->bp;
1096 int bnx2x_status = 0;
1097 const u8 port = params->port;
1098 u16 total_bw = 0;
1099 const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
1100 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
1101 u8 cos_bw_bitmap = 0;
1102 u8 cos_sp_bitmap = 0;
1103 u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
1104 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1105 DCBX_E3B0_MAX_NUM_COS_PORT0;
1106 u8 cos_entry = 0;
1107
1108 if (!CHIP_IS_E3B0(bp)) {
1109 DP(NETIF_MSG_LINK,
1110 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
1111 return -EINVAL;
1112 }
1113
1114 if ((ets_params->num_of_cos > max_num_of_cos)) {
1115 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
1116 "isn't supported\n");
1117 return -EINVAL;
1118 }
1119
1120 /* Prepare sp strict priority parameters*/
1121 bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1122
1123 /* Prepare BW parameters*/
1124 bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
1125 &total_bw);
1126 if (bnx2x_status) {
1127 DP(NETIF_MSG_LINK,
1128 "bnx2x_ets_E3B0_config get_total_bw failed\n");
1129 return -EINVAL;
1130 }
1131
1132 /* Upper bound is set according to current link speed (min_w_val
1133 * should be the same for upper bound and COS credit val).
1134 */
1135 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
1136 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1137
1138
1139 for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
1140 if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
1141 cos_bw_bitmap |= (1 << cos_entry);
1142 /* The function also sets the BW in HW(not the mappin
1143 * yet)
1144 */
1145 bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
1146 bp, cos_entry, min_w_val_nig, min_w_val_pbf,
1147 total_bw,
1148 ets_params->cos[cos_entry].params.bw_params.bw,
1149 port);
1150 } else if (bnx2x_cos_state_strict ==
1151 ets_params->cos[cos_entry].state){
1152 cos_sp_bitmap |= (1 << cos_entry);
1153
1154 bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
1155 params,
1156 sp_pri_to_cos,
1157 ets_params->cos[cos_entry].params.sp_params.pri,
1158 cos_entry);
1159
1160 } else {
1161 DP(NETIF_MSG_LINK,
1162 "bnx2x_ets_e3b0_config cos state not valid\n");
1163 return -EINVAL;
1164 }
1165 if (bnx2x_status) {
1166 DP(NETIF_MSG_LINK,
1167 "bnx2x_ets_e3b0_config set cos bw failed\n");
1168 return bnx2x_status;
1169 }
1170 }
1171
1172 /* Set SP register (which COS has higher priority) */
1173 bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
1174 sp_pri_to_cos);
1175
1176 if (bnx2x_status) {
1177 DP(NETIF_MSG_LINK,
1178 "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
1179 return bnx2x_status;
1180 }
1181
1182 /* Set client mapping of BW and strict */
1183 bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
1184 cos_sp_bitmap,
1185 cos_bw_bitmap);
1186
1187 if (bnx2x_status) {
1188 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
1189 return bnx2x_status;
1190 }
1191 return 0;
1192 }
1193 static void bnx2x_ets_bw_limit_common(const struct link_params *params)
1194 {
1195 /* ETS disabled configuration */
1196 struct bnx2x *bp = params->bp;
1197 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1198 /* Defines which entries (clients) are subjected to WFQ arbitration
1199 * COS0 0x8
1200 * COS1 0x10
1201 */
1202 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
1203 /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
1204 * client numbers (WEIGHT_0 does not actually have to represent
1205 * client 0)
1206 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1207 * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
1208 */
1209 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
1210
1211 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
1212 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1213 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
1214 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1215
1216 /* ETS mode enabled*/
1217 REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
1218
1219 /* Defines the number of consecutive slots for the strict priority */
1220 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
1221 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1222 * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
1223 * entry, 4 - COS1 entry.
1224 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1225 * bit4 bit3 bit2 bit1 bit0
1226 * MCP and debug are strict
1227 */
1228 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
1229
1230 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
1231 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
1232 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1233 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
1234 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1235 }
1236
1237 void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
1238 const u32 cos1_bw)
1239 {
1240 /* ETS disabled configuration*/
1241 struct bnx2x *bp = params->bp;
1242 const u32 total_bw = cos0_bw + cos1_bw;
1243 u32 cos0_credit_weight = 0;
1244 u32 cos1_credit_weight = 0;
1245
1246 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1247
1248 if ((!total_bw) ||
1249 (!cos0_bw) ||
1250 (!cos1_bw)) {
1251 DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
1252 return;
1253 }
1254
1255 cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1256 total_bw;
1257 cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1258 total_bw;
1259
1260 bnx2x_ets_bw_limit_common(params);
1261
1262 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
1263 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
1264
1265 REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
1266 REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
1267 }
1268
1269 int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
1270 {
1271 /* ETS disabled configuration*/
1272 struct bnx2x *bp = params->bp;
1273 u32 val = 0;
1274
1275 DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
1276 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1277 * as strict. Bits 0,1,2 - debug and management entries,
1278 * 3 - COS0 entry, 4 - COS1 entry.
1279 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1280 * bit4 bit3 bit2 bit1 bit0
1281 * MCP and debug are strict
1282 */
1283 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
1284 /* For strict priority entries defines the number of consecutive slots
1285 * for the highest priority.
1286 */
1287 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1288 /* ETS mode disable */
1289 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
1290 /* Defines the number of consecutive slots for the strict priority */
1291 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
1292
1293 /* Defines the number of consecutive slots for the strict priority */
1294 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
1295
1296 /* Mapping between entry priority to client number (0,1,2 -debug and
1297 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
1298 * 3bits client num.
1299 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1300 * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
1301 * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
1302 */
1303 val = (!strict_cos) ? 0x2318 : 0x22E0;
1304 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
1305
1306 return 0;
1307 }
1308
1309 /******************************************************************/
1310 /* EEE section */
1311 /******************************************************************/
1312 static u8 bnx2x_eee_has_cap(struct link_params *params)
1313 {
1314 struct bnx2x *bp = params->bp;
1315
1316 if (REG_RD(bp, params->shmem2_base) <=
1317 offsetof(struct shmem2_region, eee_status[params->port]))
1318 return 0;
1319
1320 return 1;
1321 }
1322
1323 static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
1324 {
1325 switch (nvram_mode) {
1326 case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
1327 *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
1328 break;
1329 case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
1330 *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
1331 break;
1332 case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
1333 *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
1334 break;
1335 default:
1336 *idle_timer = 0;
1337 break;
1338 }
1339
1340 return 0;
1341 }
1342
1343 static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
1344 {
1345 switch (idle_timer) {
1346 case EEE_MODE_NVRAM_BALANCED_TIME:
1347 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
1348 break;
1349 case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
1350 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
1351 break;
1352 case EEE_MODE_NVRAM_LATENCY_TIME:
1353 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
1354 break;
1355 default:
1356 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
1357 break;
1358 }
1359
1360 return 0;
1361 }
1362
1363 static u32 bnx2x_eee_calc_timer(struct link_params *params)
1364 {
1365 u32 eee_mode, eee_idle;
1366 struct bnx2x *bp = params->bp;
1367
1368 if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
1369 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
1370 /* time value in eee_mode --> used directly*/
1371 eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
1372 } else {
1373 /* hsi value in eee_mode --> time */
1374 if (bnx2x_eee_nvram_to_time(params->eee_mode &
1375 EEE_MODE_NVRAM_MASK,
1376 &eee_idle))
1377 return 0;
1378 }
1379 } else {
1380 /* hsi values in nvram --> time*/
1381 eee_mode = ((REG_RD(bp, params->shmem_base +
1382 offsetof(struct shmem_region, dev_info.
1383 port_feature_config[params->port].
1384 eee_power_mode)) &
1385 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
1386 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
1387
1388 if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
1389 return 0;
1390 }
1391
1392 return eee_idle;
1393 }
1394
1395
1396 /******************************************************************/
1397 /* PFC section */
1398 /******************************************************************/
1399 static void bnx2x_update_pfc_xmac(struct link_params *params,
1400 struct link_vars *vars,
1401 u8 is_lb)
1402 {
1403 struct bnx2x *bp = params->bp;
1404 u32 xmac_base;
1405 u32 pause_val, pfc0_val, pfc1_val;
1406
1407 /* XMAC base adrr */
1408 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1409
1410 /* Initialize pause and pfc registers */
1411 pause_val = 0x18000;
1412 pfc0_val = 0xFFFF8000;
1413 pfc1_val = 0x2;
1414
1415 /* No PFC support */
1416 if (!(params->feature_config_flags &
1417 FEATURE_CONFIG_PFC_ENABLED)) {
1418
1419 /* RX flow control - Process pause frame in receive direction
1420 */
1421 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1422 pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
1423
1424 /* TX flow control - Send pause packet when buffer is full */
1425 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1426 pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
1427 } else {/* PFC support */
1428 pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
1429 XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
1430 XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
1431 XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
1432 XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1433 /* Write pause and PFC registers */
1434 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1435 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1436 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1437 pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1438
1439 }
1440
1441 /* Write pause and PFC registers */
1442 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1443 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1444 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1445
1446
1447 /* Set MAC address for source TX Pause/PFC frames */
1448 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
1449 ((params->mac_addr[2] << 24) |
1450 (params->mac_addr[3] << 16) |
1451 (params->mac_addr[4] << 8) |
1452 (params->mac_addr[5])));
1453 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
1454 ((params->mac_addr[0] << 8) |
1455 (params->mac_addr[1])));
1456
1457 udelay(30);
1458 }
1459
1460
1461 static void bnx2x_emac_get_pfc_stat(struct link_params *params,
1462 u32 pfc_frames_sent[2],
1463 u32 pfc_frames_received[2])
1464 {
1465 /* Read pfc statistic */
1466 struct bnx2x *bp = params->bp;
1467 u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1468 u32 val_xon = 0;
1469 u32 val_xoff = 0;
1470
1471 DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
1472
1473 /* PFC received frames */
1474 val_xoff = REG_RD(bp, emac_base +
1475 EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
1476 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
1477 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
1478 val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
1479
1480 pfc_frames_received[0] = val_xon + val_xoff;
1481
1482 /* PFC received sent */
1483 val_xoff = REG_RD(bp, emac_base +
1484 EMAC_REG_RX_PFC_STATS_XOFF_SENT);
1485 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
1486 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
1487 val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
1488
1489 pfc_frames_sent[0] = val_xon + val_xoff;
1490 }
1491
1492 /* Read pfc statistic*/
1493 void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
1494 u32 pfc_frames_sent[2],
1495 u32 pfc_frames_received[2])
1496 {
1497 /* Read pfc statistic */
1498 struct bnx2x *bp = params->bp;
1499
1500 DP(NETIF_MSG_LINK, "pfc statistic\n");
1501
1502 if (!vars->link_up)
1503 return;
1504
1505 if (vars->mac_type == MAC_TYPE_EMAC) {
1506 DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
1507 bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
1508 pfc_frames_received);
1509 }
1510 }
1511 /******************************************************************/
1512 /* MAC/PBF section */
1513 /******************************************************************/
1514 static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
1515 {
1516 u32 mode, emac_base;
1517 /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
1518 * (a value of 49==0x31) and make sure that the AUTO poll is off
1519 */
1520
1521 if (CHIP_IS_E2(bp))
1522 emac_base = GRCBASE_EMAC0;
1523 else
1524 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1525 mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
1526 mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
1527 EMAC_MDIO_MODE_CLOCK_CNT);
1528 if (USES_WARPCORE(bp))
1529 mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
1530 else
1531 mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
1532
1533 mode |= (EMAC_MDIO_MODE_CLAUSE_45);
1534 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
1535
1536 udelay(40);
1537 }
1538 static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
1539 {
1540 u32 port4mode_ovwr_val;
1541 /* Check 4-port override enabled */
1542 port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
1543 if (port4mode_ovwr_val & (1<<0)) {
1544 /* Return 4-port mode override value */
1545 return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
1546 }
1547 /* Return 4-port mode from input pin */
1548 return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
1549 }
1550
1551 static void bnx2x_emac_init(struct link_params *params,
1552 struct link_vars *vars)
1553 {
1554 /* reset and unreset the emac core */
1555 struct bnx2x *bp = params->bp;
1556 u8 port = params->port;
1557 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1558 u32 val;
1559 u16 timeout;
1560
1561 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1562 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1563 udelay(5);
1564 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1565 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1566
1567 /* init emac - use read-modify-write */
1568 /* self clear reset */
1569 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1570 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
1571
1572 timeout = 200;
1573 do {
1574 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1575 DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
1576 if (!timeout) {
1577 DP(NETIF_MSG_LINK, "EMAC timeout!\n");
1578 return;
1579 }
1580 timeout--;
1581 } while (val & EMAC_MODE_RESET);
1582 bnx2x_set_mdio_clk(bp, params->chip_id, port);
1583 /* Set mac address */
1584 val = ((params->mac_addr[0] << 8) |
1585 params->mac_addr[1]);
1586 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
1587
1588 val = ((params->mac_addr[2] << 24) |
1589 (params->mac_addr[3] << 16) |
1590 (params->mac_addr[4] << 8) |
1591 params->mac_addr[5]);
1592 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
1593 }
1594
1595 static void bnx2x_set_xumac_nig(struct link_params *params,
1596 u16 tx_pause_en,
1597 u8 enable)
1598 {
1599 struct bnx2x *bp = params->bp;
1600
1601 REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
1602 enable);
1603 REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
1604 enable);
1605 REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
1606 NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
1607 }
1608
1609 static void bnx2x_umac_disable(struct link_params *params)
1610 {
1611 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1612 struct bnx2x *bp = params->bp;
1613 if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
1614 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
1615 return;
1616
1617 /* Disable RX and TX */
1618 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, 0);
1619 }
1620
1621 static void bnx2x_umac_enable(struct link_params *params,
1622 struct link_vars *vars, u8 lb)
1623 {
1624 u32 val;
1625 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1626 struct bnx2x *bp = params->bp;
1627 /* Reset UMAC */
1628 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1629 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1630 usleep_range(1000, 2000);
1631
1632 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1633 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1634
1635 DP(NETIF_MSG_LINK, "enabling UMAC\n");
1636
1637 /* This register opens the gate for the UMAC despite its name */
1638 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
1639
1640 val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
1641 UMAC_COMMAND_CONFIG_REG_PAD_EN |
1642 UMAC_COMMAND_CONFIG_REG_SW_RESET |
1643 UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
1644 switch (vars->line_speed) {
1645 case SPEED_10:
1646 val |= (0<<2);
1647 break;
1648 case SPEED_100:
1649 val |= (1<<2);
1650 break;
1651 case SPEED_1000:
1652 val |= (2<<2);
1653 break;
1654 case SPEED_2500:
1655 val |= (3<<2);
1656 break;
1657 default:
1658 DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
1659 vars->line_speed);
1660 break;
1661 }
1662 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1663 val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
1664
1665 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1666 val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
1667
1668 if (vars->duplex == DUPLEX_HALF)
1669 val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
1670
1671 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1672 udelay(50);
1673
1674 /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
1675 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
1676 ((params->mac_addr[2] << 24) |
1677 (params->mac_addr[3] << 16) |
1678 (params->mac_addr[4] << 8) |
1679 (params->mac_addr[5])));
1680 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
1681 ((params->mac_addr[0] << 8) |
1682 (params->mac_addr[1])));
1683
1684 /* Enable RX and TX */
1685 val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
1686 val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
1687 UMAC_COMMAND_CONFIG_REG_RX_ENA;
1688 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1689 udelay(50);
1690
1691 /* Remove SW Reset */
1692 val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
1693
1694 /* Check loopback mode */
1695 if (lb)
1696 val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
1697 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1698
1699 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
1700 * length used by the MAC receive logic to check frames.
1701 */
1702 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
1703 bnx2x_set_xumac_nig(params,
1704 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1705 vars->mac_type = MAC_TYPE_UMAC;
1706
1707 }
1708
1709 /* Define the XMAC mode */
1710 static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
1711 {
1712 struct bnx2x *bp = params->bp;
1713 u32 is_port4mode = bnx2x_is_4_port_mode(bp);
1714
1715 /* In 4-port mode, need to set the mode only once, so if XMAC is
1716 * already out of reset, it means the mode has already been set,
1717 * and it must not* reset the XMAC again, since it controls both
1718 * ports of the path
1719 */
1720
1721 if ((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) &&
1722 (REG_RD(bp, MISC_REG_RESET_REG_2) &
1723 MISC_REGISTERS_RESET_REG_2_XMAC)) {
1724 DP(NETIF_MSG_LINK,
1725 "XMAC already out of reset in 4-port mode\n");
1726 return;
1727 }
1728
1729 /* Hard reset */
1730 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1731 MISC_REGISTERS_RESET_REG_2_XMAC);
1732 usleep_range(1000, 2000);
1733
1734 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1735 MISC_REGISTERS_RESET_REG_2_XMAC);
1736 if (is_port4mode) {
1737 DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
1738
1739 /* Set the number of ports on the system side to up to 2 */
1740 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
1741
1742 /* Set the number of ports on the Warp Core to 10G */
1743 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1744 } else {
1745 /* Set the number of ports on the system side to 1 */
1746 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
1747 if (max_speed == SPEED_10000) {
1748 DP(NETIF_MSG_LINK,
1749 "Init XMAC to 10G x 1 port per path\n");
1750 /* Set the number of ports on the Warp Core to 10G */
1751 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1752 } else {
1753 DP(NETIF_MSG_LINK,
1754 "Init XMAC to 20G x 2 ports per path\n");
1755 /* Set the number of ports on the Warp Core to 20G */
1756 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
1757 }
1758 }
1759 /* Soft reset */
1760 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1761 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1762 usleep_range(1000, 2000);
1763
1764 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1765 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1766
1767 }
1768
1769 static void bnx2x_xmac_disable(struct link_params *params)
1770 {
1771 u8 port = params->port;
1772 struct bnx2x *bp = params->bp;
1773 u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1774
1775 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1776 MISC_REGISTERS_RESET_REG_2_XMAC) {
1777 /* Send an indication to change the state in the NIG back to XON
1778 * Clearing this bit enables the next set of this bit to get
1779 * rising edge
1780 */
1781 pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
1782 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1783 (pfc_ctrl & ~(1<<1)));
1784 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1785 (pfc_ctrl | (1<<1)));
1786 DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
1787 REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
1788 }
1789 }
1790
1791 static int bnx2x_xmac_enable(struct link_params *params,
1792 struct link_vars *vars, u8 lb)
1793 {
1794 u32 val, xmac_base;
1795 struct bnx2x *bp = params->bp;
1796 DP(NETIF_MSG_LINK, "enabling XMAC\n");
1797
1798 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1799
1800 bnx2x_xmac_init(params, vars->line_speed);
1801
1802 /* This register determines on which events the MAC will assert
1803 * error on the i/f to the NIG along w/ EOP.
1804 */
1805
1806 /* This register tells the NIG whether to send traffic to UMAC
1807 * or XMAC
1808 */
1809 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
1810
1811 /* Set Max packet size */
1812 REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
1813
1814 /* CRC append for Tx packets */
1815 REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
1816
1817 /* update PFC */
1818 bnx2x_update_pfc_xmac(params, vars, 0);
1819
1820 if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1821 DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
1822 REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
1823 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
1824 } else {
1825 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
1826 }
1827
1828 /* Enable TX and RX */
1829 val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
1830
1831 /* Check loopback mode */
1832 if (lb)
1833 val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
1834 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1835 bnx2x_set_xumac_nig(params,
1836 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1837
1838 vars->mac_type = MAC_TYPE_XMAC;
1839
1840 return 0;
1841 }
1842
1843 static int bnx2x_emac_enable(struct link_params *params,
1844 struct link_vars *vars, u8 lb)
1845 {
1846 struct bnx2x *bp = params->bp;
1847 u8 port = params->port;
1848 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1849 u32 val;
1850
1851 DP(NETIF_MSG_LINK, "enabling EMAC\n");
1852
1853 /* Disable BMAC */
1854 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1855 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1856
1857 /* enable emac and not bmac */
1858 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
1859
1860 /* ASIC */
1861 if (vars->phy_flags & PHY_XGXS_FLAG) {
1862 u32 ser_lane = ((params->lane_config &
1863 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1864 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
1865
1866 DP(NETIF_MSG_LINK, "XGXS\n");
1867 /* select the master lanes (out of 0-3) */
1868 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
1869 /* select XGXS */
1870 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
1871
1872 } else { /* SerDes */
1873 DP(NETIF_MSG_LINK, "SerDes\n");
1874 /* select SerDes */
1875 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
1876 }
1877
1878 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1879 EMAC_RX_MODE_RESET);
1880 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1881 EMAC_TX_MODE_RESET);
1882
1883 /* pause enable/disable */
1884 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1885 EMAC_RX_MODE_FLOW_EN);
1886
1887 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1888 (EMAC_TX_MODE_EXT_PAUSE_EN |
1889 EMAC_TX_MODE_FLOW_EN));
1890 if (!(params->feature_config_flags &
1891 FEATURE_CONFIG_PFC_ENABLED)) {
1892 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1893 bnx2x_bits_en(bp, emac_base +
1894 EMAC_REG_EMAC_RX_MODE,
1895 EMAC_RX_MODE_FLOW_EN);
1896
1897 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1898 bnx2x_bits_en(bp, emac_base +
1899 EMAC_REG_EMAC_TX_MODE,
1900 (EMAC_TX_MODE_EXT_PAUSE_EN |
1901 EMAC_TX_MODE_FLOW_EN));
1902 } else
1903 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1904 EMAC_TX_MODE_FLOW_EN);
1905
1906 /* KEEP_VLAN_TAG, promiscuous */
1907 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
1908 val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
1909
1910 /* Setting this bit causes MAC control frames (except for pause
1911 * frames) to be passed on for processing. This setting has no
1912 * affect on the operation of the pause frames. This bit effects
1913 * all packets regardless of RX Parser packet sorting logic.
1914 * Turn the PFC off to make sure we are in Xon state before
1915 * enabling it.
1916 */
1917 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
1918 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1919 DP(NETIF_MSG_LINK, "PFC is enabled\n");
1920 /* Enable PFC again */
1921 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
1922 EMAC_REG_RX_PFC_MODE_RX_EN |
1923 EMAC_REG_RX_PFC_MODE_TX_EN |
1924 EMAC_REG_RX_PFC_MODE_PRIORITIES);
1925
1926 EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
1927 ((0x0101 <<
1928 EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
1929 (0x00ff <<
1930 EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
1931 val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
1932 }
1933 EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
1934
1935 /* Set Loopback */
1936 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1937 if (lb)
1938 val |= 0x810;
1939 else
1940 val &= ~0x810;
1941 EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
1942
1943 /* Enable emac */
1944 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
1945
1946 /* Enable emac for jumbo packets */
1947 EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
1948 (EMAC_RX_MTU_SIZE_JUMBO_ENA |
1949 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
1950
1951 /* Strip CRC */
1952 REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
1953
1954 /* Disable the NIG in/out to the bmac */
1955 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
1956 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
1957 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
1958
1959 /* Enable the NIG in/out to the emac */
1960 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
1961 val = 0;
1962 if ((params->feature_config_flags &
1963 FEATURE_CONFIG_PFC_ENABLED) ||
1964 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1965 val = 1;
1966
1967 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
1968 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
1969
1970 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
1971
1972 vars->mac_type = MAC_TYPE_EMAC;
1973 return 0;
1974 }
1975
1976 static void bnx2x_update_pfc_bmac1(struct link_params *params,
1977 struct link_vars *vars)
1978 {
1979 u32 wb_data[2];
1980 struct bnx2x *bp = params->bp;
1981 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1982 NIG_REG_INGRESS_BMAC0_MEM;
1983
1984 u32 val = 0x14;
1985 if ((!(params->feature_config_flags &
1986 FEATURE_CONFIG_PFC_ENABLED)) &&
1987 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1988 /* Enable BigMAC to react on received Pause packets */
1989 val |= (1<<5);
1990 wb_data[0] = val;
1991 wb_data[1] = 0;
1992 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
1993
1994 /* TX control */
1995 val = 0xc0;
1996 if (!(params->feature_config_flags &
1997 FEATURE_CONFIG_PFC_ENABLED) &&
1998 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1999 val |= 0x800000;
2000 wb_data[0] = val;
2001 wb_data[1] = 0;
2002 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
2003 }
2004
2005 static void bnx2x_update_pfc_bmac2(struct link_params *params,
2006 struct link_vars *vars,
2007 u8 is_lb)
2008 {
2009 /* Set rx control: Strip CRC and enable BigMAC to relay
2010 * control packets to the system as well
2011 */
2012 u32 wb_data[2];
2013 struct bnx2x *bp = params->bp;
2014 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
2015 NIG_REG_INGRESS_BMAC0_MEM;
2016 u32 val = 0x14;
2017
2018 if ((!(params->feature_config_flags &
2019 FEATURE_CONFIG_PFC_ENABLED)) &&
2020 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
2021 /* Enable BigMAC to react on received Pause packets */
2022 val |= (1<<5);
2023 wb_data[0] = val;
2024 wb_data[1] = 0;
2025 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
2026 udelay(30);
2027
2028 /* Tx control */
2029 val = 0xc0;
2030 if (!(params->feature_config_flags &
2031 FEATURE_CONFIG_PFC_ENABLED) &&
2032 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2033 val |= 0x800000;
2034 wb_data[0] = val;
2035 wb_data[1] = 0;
2036 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
2037
2038 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
2039 DP(NETIF_MSG_LINK, "PFC is enabled\n");
2040 /* Enable PFC RX & TX & STATS and set 8 COS */
2041 wb_data[0] = 0x0;
2042 wb_data[0] |= (1<<0); /* RX */
2043 wb_data[0] |= (1<<1); /* TX */
2044 wb_data[0] |= (1<<2); /* Force initial Xon */
2045 wb_data[0] |= (1<<3); /* 8 cos */
2046 wb_data[0] |= (1<<5); /* STATS */
2047 wb_data[1] = 0;
2048 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
2049 wb_data, 2);
2050 /* Clear the force Xon */
2051 wb_data[0] &= ~(1<<2);
2052 } else {
2053 DP(NETIF_MSG_LINK, "PFC is disabled\n");
2054 /* Disable PFC RX & TX & STATS and set 8 COS */
2055 wb_data[0] = 0x8;
2056 wb_data[1] = 0;
2057 }
2058
2059 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
2060
2061 /* Set Time (based unit is 512 bit time) between automatic
2062 * re-sending of PP packets amd enable automatic re-send of
2063 * Per-Priroity Packet as long as pp_gen is asserted and
2064 * pp_disable is low.
2065 */
2066 val = 0x8000;
2067 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2068 val |= (1<<16); /* enable automatic re-send */
2069
2070 wb_data[0] = val;
2071 wb_data[1] = 0;
2072 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
2073 wb_data, 2);
2074
2075 /* mac control */
2076 val = 0x3; /* Enable RX and TX */
2077 if (is_lb) {
2078 val |= 0x4; /* Local loopback */
2079 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2080 }
2081 /* When PFC enabled, Pass pause frames towards the NIG. */
2082 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2083 val |= ((1<<6)|(1<<5));
2084
2085 wb_data[0] = val;
2086 wb_data[1] = 0;
2087 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2088 }
2089
2090 /* PFC BRB internal port configuration params */
2091 struct bnx2x_pfc_brb_threshold_val {
2092 u32 pause_xoff;
2093 u32 pause_xon;
2094 u32 full_xoff;
2095 u32 full_xon;
2096 };
2097
2098 struct bnx2x_pfc_brb_e3b0_val {
2099 u32 per_class_guaranty_mode;
2100 u32 lb_guarantied_hyst;
2101 u32 full_lb_xoff_th;
2102 u32 full_lb_xon_threshold;
2103 u32 lb_guarantied;
2104 u32 mac_0_class_t_guarantied;
2105 u32 mac_0_class_t_guarantied_hyst;
2106 u32 mac_1_class_t_guarantied;
2107 u32 mac_1_class_t_guarantied_hyst;
2108 };
2109
2110 struct bnx2x_pfc_brb_th_val {
2111 struct bnx2x_pfc_brb_threshold_val pauseable_th;
2112 struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
2113 struct bnx2x_pfc_brb_threshold_val default_class0;
2114 struct bnx2x_pfc_brb_threshold_val default_class1;
2115
2116 };
2117 static int bnx2x_pfc_brb_get_config_params(
2118 struct link_params *params,
2119 struct bnx2x_pfc_brb_th_val *config_val)
2120 {
2121 struct bnx2x *bp = params->bp;
2122 DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
2123
2124 config_val->default_class1.pause_xoff = 0;
2125 config_val->default_class1.pause_xon = 0;
2126 config_val->default_class1.full_xoff = 0;
2127 config_val->default_class1.full_xon = 0;
2128
2129 if (CHIP_IS_E2(bp)) {
2130 /* Class0 defaults */
2131 config_val->default_class0.pause_xoff =
2132 DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR;
2133 config_val->default_class0.pause_xon =
2134 DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR;
2135 config_val->default_class0.full_xoff =
2136 DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR;
2137 config_val->default_class0.full_xon =
2138 DEFAULT0_E2_BRB_MAC_FULL_XON_THR;
2139 /* Pause able*/
2140 config_val->pauseable_th.pause_xoff =
2141 PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2142 config_val->pauseable_th.pause_xon =
2143 PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
2144 config_val->pauseable_th.full_xoff =
2145 PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
2146 config_val->pauseable_th.full_xon =
2147 PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
2148 /* Non pause able*/
2149 config_val->non_pauseable_th.pause_xoff =
2150 PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2151 config_val->non_pauseable_th.pause_xon =
2152 PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2153 config_val->non_pauseable_th.full_xoff =
2154 PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2155 config_val->non_pauseable_th.full_xon =
2156 PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2157 } else if (CHIP_IS_E3A0(bp)) {
2158 /* Class0 defaults */
2159 config_val->default_class0.pause_xoff =
2160 DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR;
2161 config_val->default_class0.pause_xon =
2162 DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR;
2163 config_val->default_class0.full_xoff =
2164 DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR;
2165 config_val->default_class0.full_xon =
2166 DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR;
2167 /* Pause able */
2168 config_val->pauseable_th.pause_xoff =
2169 PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2170 config_val->pauseable_th.pause_xon =
2171 PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
2172 config_val->pauseable_th.full_xoff =
2173 PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
2174 config_val->pauseable_th.full_xon =
2175 PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
2176 /* Non pause able*/
2177 config_val->non_pauseable_th.pause_xoff =
2178 PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2179 config_val->non_pauseable_th.pause_xon =
2180 PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2181 config_val->non_pauseable_th.full_xoff =
2182 PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2183 config_val->non_pauseable_th.full_xon =
2184 PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2185 } else if (CHIP_IS_E3B0(bp)) {
2186 /* Class0 defaults */
2187 config_val->default_class0.pause_xoff =
2188 DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR;
2189 config_val->default_class0.pause_xon =
2190 DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR;
2191 config_val->default_class0.full_xoff =
2192 DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR;
2193 config_val->default_class0.full_xon =
2194 DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR;
2195
2196 if (params->phy[INT_PHY].flags &
2197 FLAGS_4_PORT_MODE) {
2198 config_val->pauseable_th.pause_xoff =
2199 PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2200 config_val->pauseable_th.pause_xon =
2201 PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
2202 config_val->pauseable_th.full_xoff =
2203 PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
2204 config_val->pauseable_th.full_xon =
2205 PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
2206 /* Non pause able*/
2207 config_val->non_pauseable_th.pause_xoff =
2208 PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2209 config_val->non_pauseable_th.pause_xon =
2210 PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2211 config_val->non_pauseable_th.full_xoff =
2212 PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2213 config_val->non_pauseable_th.full_xon =
2214 PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2215 } else {
2216 config_val->pauseable_th.pause_xoff =
2217 PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2218 config_val->pauseable_th.pause_xon =
2219 PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
2220 config_val->pauseable_th.full_xoff =
2221 PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
2222 config_val->pauseable_th.full_xon =
2223 PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
2224 /* Non pause able*/
2225 config_val->non_pauseable_th.pause_xoff =
2226 PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2227 config_val->non_pauseable_th.pause_xon =
2228 PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2229 config_val->non_pauseable_th.full_xoff =
2230 PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2231 config_val->non_pauseable_th.full_xon =
2232 PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2233 }
2234 } else
2235 return -EINVAL;
2236
2237 return 0;
2238 }
2239
2240 static void bnx2x_pfc_brb_get_e3b0_config_params(
2241 struct link_params *params,
2242 struct bnx2x_pfc_brb_e3b0_val
2243 *e3b0_val,
2244 struct bnx2x_nig_brb_pfc_port_params *pfc_params,
2245 const u8 pfc_enabled)
2246 {
2247 if (pfc_enabled && pfc_params) {
2248 e3b0_val->per_class_guaranty_mode = 1;
2249 e3b0_val->lb_guarantied_hyst = 80;
2250
2251 if (params->phy[INT_PHY].flags &
2252 FLAGS_4_PORT_MODE) {
2253 e3b0_val->full_lb_xoff_th =
2254 PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
2255 e3b0_val->full_lb_xon_threshold =
2256 PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
2257 e3b0_val->lb_guarantied =
2258 PFC_E3B0_4P_LB_GUART;
2259 e3b0_val->mac_0_class_t_guarantied =
2260 PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
2261 e3b0_val->mac_0_class_t_guarantied_hyst =
2262 PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
2263 e3b0_val->mac_1_class_t_guarantied =
2264 PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
2265 e3b0_val->mac_1_class_t_guarantied_hyst =
2266 PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
2267 } else {
2268 e3b0_val->full_lb_xoff_th =
2269 PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
2270 e3b0_val->full_lb_xon_threshold =
2271 PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
2272 e3b0_val->mac_0_class_t_guarantied_hyst =
2273 PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
2274 e3b0_val->mac_1_class_t_guarantied =
2275 PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
2276 e3b0_val->mac_1_class_t_guarantied_hyst =
2277 PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
2278
2279 if (pfc_params->cos0_pauseable !=
2280 pfc_params->cos1_pauseable) {
2281 /* Nonpauseable= Lossy + pauseable = Lossless*/
2282 e3b0_val->lb_guarantied =
2283 PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
2284 e3b0_val->mac_0_class_t_guarantied =
2285 PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
2286 } else if (pfc_params->cos0_pauseable) {
2287 /* Lossless +Lossless*/
2288 e3b0_val->lb_guarantied =
2289 PFC_E3B0_2P_PAUSE_LB_GUART;
2290 e3b0_val->mac_0_class_t_guarantied =
2291 PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
2292 } else {
2293 /* Lossy +Lossy*/
2294 e3b0_val->lb_guarantied =
2295 PFC_E3B0_2P_NON_PAUSE_LB_GUART;
2296 e3b0_val->mac_0_class_t_guarantied =
2297 PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
2298 }
2299 }
2300 } else {
2301 e3b0_val->per_class_guaranty_mode = 0;
2302 e3b0_val->lb_guarantied_hyst = 0;
2303 e3b0_val->full_lb_xoff_th =
2304 DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR;
2305 e3b0_val->full_lb_xon_threshold =
2306 DEFAULT_E3B0_BRB_FULL_LB_XON_THR;
2307 e3b0_val->lb_guarantied =
2308 DEFAULT_E3B0_LB_GUART;
2309 e3b0_val->mac_0_class_t_guarantied =
2310 DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART;
2311 e3b0_val->mac_0_class_t_guarantied_hyst =
2312 DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST;
2313 e3b0_val->mac_1_class_t_guarantied =
2314 DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART;
2315 e3b0_val->mac_1_class_t_guarantied_hyst =
2316 DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST;
2317 }
2318 }
2319 static int bnx2x_update_pfc_brb(struct link_params *params,
2320 struct link_vars *vars,
2321 struct bnx2x_nig_brb_pfc_port_params
2322 *pfc_params)
2323 {
2324 struct bnx2x *bp = params->bp;
2325 struct bnx2x_pfc_brb_th_val config_val = { {0} };
2326 struct bnx2x_pfc_brb_threshold_val *reg_th_config =
2327 &config_val.pauseable_th;
2328 struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
2329 const int set_pfc = params->feature_config_flags &
2330 FEATURE_CONFIG_PFC_ENABLED;
2331 const u8 pfc_enabled = (set_pfc && pfc_params);
2332 int bnx2x_status = 0;
2333 u8 port = params->port;
2334
2335 /* default - pause configuration */
2336 reg_th_config = &config_val.pauseable_th;
2337 bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
2338 if (bnx2x_status)
2339 return bnx2x_status;
2340
2341 if (pfc_enabled) {
2342 /* First COS */
2343 if (pfc_params->cos0_pauseable)
2344 reg_th_config = &config_val.pauseable_th;
2345 else
2346 reg_th_config = &config_val.non_pauseable_th;
2347 } else
2348 reg_th_config = &config_val.default_class0;
2349 /* The number of free blocks below which the pause signal to class 0
2350 * of MAC #n is asserted. n=0,1
2351 */
2352 REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
2353 BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
2354 reg_th_config->pause_xoff);
2355 /* The number of free blocks above which the pause signal to class 0
2356 * of MAC #n is de-asserted. n=0,1
2357 */
2358 REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
2359 BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
2360 /* The number of free blocks below which the full signal to class 0
2361 * of MAC #n is asserted. n=0,1
2362 */
2363 REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
2364 BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
2365 /* The number of free blocks above which the full signal to class 0
2366 * of MAC #n is de-asserted. n=0,1
2367 */
2368 REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
2369 BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
2370
2371 if (pfc_enabled) {
2372 /* Second COS */
2373 if (pfc_params->cos1_pauseable)
2374 reg_th_config = &config_val.pauseable_th;
2375 else
2376 reg_th_config = &config_val.non_pauseable_th;
2377 } else
2378 reg_th_config = &config_val.default_class1;
2379 /* The number of free blocks below which the pause signal to
2380 * class 1 of MAC #n is asserted. n=0,1
2381 */
2382 REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
2383 BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
2384 reg_th_config->pause_xoff);
2385
2386 /* The number of free blocks above which the pause signal to
2387 * class 1 of MAC #n is de-asserted. n=0,1
2388 */
2389 REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
2390 BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
2391 reg_th_config->pause_xon);
2392 /* The number of free blocks below which the full signal to
2393 * class 1 of MAC #n is asserted. n=0,1
2394 */
2395 REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
2396 BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
2397 reg_th_config->full_xoff);
2398 /* The number of free blocks above which the full signal to
2399 * class 1 of MAC #n is de-asserted. n=0,1
2400 */
2401 REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
2402 BRB1_REG_FULL_1_XON_THRESHOLD_0,
2403 reg_th_config->full_xon);
2404
2405 if (CHIP_IS_E3B0(bp)) {
2406 bnx2x_pfc_brb_get_e3b0_config_params(
2407 params,
2408 &e3b0_val,
2409 pfc_params,
2410 pfc_enabled);
2411
2412 REG_WR(bp, BRB1_REG_PER_CLASS_GUARANTY_MODE,
2413 e3b0_val.per_class_guaranty_mode);
2414
2415 /* The hysteresis on the guarantied buffer space for the Lb
2416 * port before signaling XON.
2417 */
2418 REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST,
2419 e3b0_val.lb_guarantied_hyst);
2420
2421 /* The number of free blocks below which the full signal to the
2422 * LB port is asserted.
2423 */
2424 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
2425 e3b0_val.full_lb_xoff_th);
2426 /* The number of free blocks above which the full signal to the
2427 * LB port is de-asserted.
2428 */
2429 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
2430 e3b0_val.full_lb_xon_threshold);
2431 /* The number of blocks guarantied for the MAC #n port. n=0,1
2432 */
2433
2434 /* The number of blocks guarantied for the LB port. */
2435 REG_WR(bp, BRB1_REG_LB_GUARANTIED,
2436 e3b0_val.lb_guarantied);
2437
2438 /* The number of blocks guarantied for the MAC #n port. */
2439 REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
2440 2 * e3b0_val.mac_0_class_t_guarantied);
2441 REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
2442 2 * e3b0_val.mac_1_class_t_guarantied);
2443 /* The number of blocks guarantied for class #t in MAC0. t=0,1
2444 */
2445 REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
2446 e3b0_val.mac_0_class_t_guarantied);
2447 REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
2448 e3b0_val.mac_0_class_t_guarantied);
2449 /* The hysteresis on the guarantied buffer space for class in
2450 * MAC0. t=0,1
2451 */
2452 REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
2453 e3b0_val.mac_0_class_t_guarantied_hyst);
2454 REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
2455 e3b0_val.mac_0_class_t_guarantied_hyst);
2456
2457 /* The number of blocks guarantied for class #t in MAC1.t=0,1
2458 */
2459 REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
2460 e3b0_val.mac_1_class_t_guarantied);
2461 REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
2462 e3b0_val.mac_1_class_t_guarantied);
2463 /* The hysteresis on the guarantied buffer space for class #t
2464 * in MAC1. t=0,1
2465 */
2466 REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
2467 e3b0_val.mac_1_class_t_guarantied_hyst);
2468 REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
2469 e3b0_val.mac_1_class_t_guarantied_hyst);
2470 }
2471
2472 return bnx2x_status;
2473 }
2474
2475 /******************************************************************************
2476 * Description:
2477 * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2478 * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2479 ******************************************************************************/
2480 static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
2481 u8 cos_entry,
2482 u32 priority_mask, u8 port)
2483 {
2484 u32 nig_reg_rx_priority_mask_add = 0;
2485
2486 switch (cos_entry) {
2487 case 0:
2488 nig_reg_rx_priority_mask_add = (port) ?
2489 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2490 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2491 break;
2492 case 1:
2493 nig_reg_rx_priority_mask_add = (port) ?
2494 NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2495 NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2496 break;
2497 case 2:
2498 nig_reg_rx_priority_mask_add = (port) ?
2499 NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2500 NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2501 break;
2502 case 3:
2503 if (port)
2504 return -EINVAL;
2505 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2506 break;
2507 case 4:
2508 if (port)
2509 return -EINVAL;
2510 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2511 break;
2512 case 5:
2513 if (port)
2514 return -EINVAL;
2515 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2516 break;
2517 }
2518
2519 REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
2520
2521 return 0;
2522 }
2523 static void bnx2x_update_mng(struct link_params *params, u32 link_status)
2524 {
2525 struct bnx2x *bp = params->bp;
2526
2527 REG_WR(bp, params->shmem_base +
2528 offsetof(struct shmem_region,
2529 port_mb[params->port].link_status), link_status);
2530 }
2531
2532 static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
2533 {
2534 struct bnx2x *bp = params->bp;
2535
2536 if (bnx2x_eee_has_cap(params))
2537 REG_WR(bp, params->shmem2_base +
2538 offsetof(struct shmem2_region,
2539 eee_status[params->port]), eee_status);
2540 }
2541
2542 static void bnx2x_update_pfc_nig(struct link_params *params,
2543 struct link_vars *vars,
2544 struct bnx2x_nig_brb_pfc_port_params *nig_params)
2545 {
2546 u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
2547 u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
2548 u32 pkt_priority_to_cos = 0;
2549 struct bnx2x *bp = params->bp;
2550 u8 port = params->port;
2551
2552 int set_pfc = params->feature_config_flags &
2553 FEATURE_CONFIG_PFC_ENABLED;
2554 DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
2555
2556 /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
2557 * MAC control frames (that are not pause packets)
2558 * will be forwarded to the XCM.
2559 */
2560 xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
2561 NIG_REG_LLH0_XCM_MASK);
2562 /* NIG params will override non PFC params, since it's possible to
2563 * do transition from PFC to SAFC
2564 */
2565 if (set_pfc) {
2566 pause_enable = 0;
2567 llfc_out_en = 0;
2568 llfc_enable = 0;
2569 if (CHIP_IS_E3(bp))
2570 ppp_enable = 0;
2571 else
2572 ppp_enable = 1;
2573 xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2574 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2575 xcm_out_en = 0;
2576 hwpfc_enable = 1;
2577 } else {
2578 if (nig_params) {
2579 llfc_out_en = nig_params->llfc_out_en;
2580 llfc_enable = nig_params->llfc_enable;
2581 pause_enable = nig_params->pause_enable;
2582 } else /* Default non PFC mode - PAUSE */
2583 pause_enable = 1;
2584
2585 xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2586 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2587 xcm_out_en = 1;
2588 }
2589
2590 if (CHIP_IS_E3(bp))
2591 REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2592 NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
2593 REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
2594 NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2595 REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
2596 NIG_REG_LLFC_ENABLE_0, llfc_enable);
2597 REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
2598 NIG_REG_PAUSE_ENABLE_0, pause_enable);
2599
2600 REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
2601 NIG_REG_PPP_ENABLE_0, ppp_enable);
2602
2603 REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
2604 NIG_REG_LLH0_XCM_MASK, xcm_mask);
2605
2606 REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
2607 NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
2608
2609 /* Output enable for RX_XCM # IF */
2610 REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
2611 NIG_REG_XCM0_OUT_EN, xcm_out_en);
2612
2613 /* HW PFC TX enable */
2614 REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
2615 NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
2616
2617 if (nig_params) {
2618 u8 i = 0;
2619 pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
2620
2621 for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
2622 bnx2x_pfc_nig_rx_priority_mask(bp, i,
2623 nig_params->rx_cos_priority_mask[i], port);
2624
2625 REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
2626 NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
2627 nig_params->llfc_high_priority_classes);
2628
2629 REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
2630 NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
2631 nig_params->llfc_low_priority_classes);
2632 }
2633 REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
2634 NIG_REG_P0_PKT_PRIORITY_TO_COS,
2635 pkt_priority_to_cos);
2636 }
2637
2638 int bnx2x_update_pfc(struct link_params *params,
2639 struct link_vars *vars,
2640 struct bnx2x_nig_brb_pfc_port_params *pfc_params)
2641 {
2642 /* The PFC and pause are orthogonal to one another, meaning when
2643 * PFC is enabled, the pause are disabled, and when PFC is
2644 * disabled, pause are set according to the pause result.
2645 */
2646 u32 val;
2647 struct bnx2x *bp = params->bp;
2648 int bnx2x_status = 0;
2649 u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
2650
2651 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2652 vars->link_status |= LINK_STATUS_PFC_ENABLED;
2653 else
2654 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
2655
2656 bnx2x_update_mng(params, vars->link_status);
2657
2658 /* Update NIG params */
2659 bnx2x_update_pfc_nig(params, vars, pfc_params);
2660
2661 /* Update BRB params */
2662 bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
2663 if (bnx2x_status)
2664 return bnx2x_status;
2665
2666 if (!vars->link_up)
2667 return bnx2x_status;
2668
2669 DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
2670
2671 if (CHIP_IS_E3(bp)) {
2672 if (vars->mac_type == MAC_TYPE_XMAC)
2673 bnx2x_update_pfc_xmac(params, vars, 0);
2674 } else {
2675 val = REG_RD(bp, MISC_REG_RESET_REG_2);
2676 if ((val &
2677 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
2678 == 0) {
2679 DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
2680 bnx2x_emac_enable(params, vars, 0);
2681 return bnx2x_status;
2682 }
2683 if (CHIP_IS_E2(bp))
2684 bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
2685 else
2686 bnx2x_update_pfc_bmac1(params, vars);
2687
2688 val = 0;
2689 if ((params->feature_config_flags &
2690 FEATURE_CONFIG_PFC_ENABLED) ||
2691 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2692 val = 1;
2693 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2694 }
2695 return bnx2x_status;
2696 }
2697
2698
2699 static int bnx2x_bmac1_enable(struct link_params *params,
2700 struct link_vars *vars,
2701 u8 is_lb)
2702 {
2703 struct bnx2x *bp = params->bp;
2704 u8 port = params->port;
2705 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2706 NIG_REG_INGRESS_BMAC0_MEM;
2707 u32 wb_data[2];
2708 u32 val;
2709
2710 DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
2711
2712 /* XGXS control */
2713 wb_data[0] = 0x3c;
2714 wb_data[1] = 0;
2715 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2716 wb_data, 2);
2717
2718 /* TX MAC SA */
2719 wb_data[0] = ((params->mac_addr[2] << 24) |
2720 (params->mac_addr[3] << 16) |
2721 (params->mac_addr[4] << 8) |
2722 params->mac_addr[5]);
2723 wb_data[1] = ((params->mac_addr[0] << 8) |
2724 params->mac_addr[1]);
2725 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
2726
2727 /* MAC control */
2728 val = 0x3;
2729 if (is_lb) {
2730 val |= 0x4;
2731 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2732 }
2733 wb_data[0] = val;
2734 wb_data[1] = 0;
2735 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
2736
2737 /* Set rx mtu */
2738 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2739 wb_data[1] = 0;
2740 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
2741
2742 bnx2x_update_pfc_bmac1(params, vars);
2743
2744 /* Set tx mtu */
2745 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2746 wb_data[1] = 0;
2747 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
2748
2749 /* Set cnt max size */
2750 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2751 wb_data[1] = 0;
2752 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2753
2754 /* Configure SAFC */
2755 wb_data[0] = 0x1000200;
2756 wb_data[1] = 0;
2757 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2758 wb_data, 2);
2759
2760 return 0;
2761 }
2762
2763 static int bnx2x_bmac2_enable(struct link_params *params,
2764 struct link_vars *vars,
2765 u8 is_lb)
2766 {
2767 struct bnx2x *bp = params->bp;
2768 u8 port = params->port;
2769 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2770 NIG_REG_INGRESS_BMAC0_MEM;
2771 u32 wb_data[2];
2772
2773 DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
2774
2775 wb_data[0] = 0;
2776 wb_data[1] = 0;
2777 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2778 udelay(30);
2779
2780 /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2781 wb_data[0] = 0x3c;
2782 wb_data[1] = 0;
2783 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2784 wb_data, 2);
2785
2786 udelay(30);
2787
2788 /* TX MAC SA */
2789 wb_data[0] = ((params->mac_addr[2] << 24) |
2790 (params->mac_addr[3] << 16) |
2791 (params->mac_addr[4] << 8) |
2792 params->mac_addr[5]);
2793 wb_data[1] = ((params->mac_addr[0] << 8) |
2794 params->mac_addr[1]);
2795 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
2796 wb_data, 2);
2797
2798 udelay(30);
2799
2800 /* Configure SAFC */
2801 wb_data[0] = 0x1000200;
2802 wb_data[1] = 0;
2803 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
2804 wb_data, 2);
2805 udelay(30);
2806
2807 /* Set RX MTU */
2808 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2809 wb_data[1] = 0;
2810 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
2811 udelay(30);
2812
2813 /* Set TX MTU */
2814 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2815 wb_data[1] = 0;
2816 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
2817 udelay(30);
2818 /* Set cnt max size */
2819 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
2820 wb_data[1] = 0;
2821 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2822 udelay(30);
2823 bnx2x_update_pfc_bmac2(params, vars, is_lb);
2824
2825 return 0;
2826 }
2827
2828 static int bnx2x_bmac_enable(struct link_params *params,
2829 struct link_vars *vars,
2830 u8 is_lb)
2831 {
2832 int rc = 0;
2833 u8 port = params->port;
2834 struct bnx2x *bp = params->bp;
2835 u32 val;
2836 /* Reset and unreset the BigMac */
2837 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2838 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2839 usleep_range(1000, 2000);
2840
2841 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2842 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2843
2844 /* Enable access for bmac registers */
2845 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2846
2847 /* Enable BMAC according to BMAC type*/
2848 if (CHIP_IS_E2(bp))
2849 rc = bnx2x_bmac2_enable(params, vars, is_lb);
2850 else
2851 rc = bnx2x_bmac1_enable(params, vars, is_lb);
2852 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2853 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2854 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2855 val = 0;
2856 if ((params->feature_config_flags &
2857 FEATURE_CONFIG_PFC_ENABLED) ||
2858 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2859 val = 1;
2860 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2861 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2862 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2863 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2864 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2865 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2866
2867 vars->mac_type = MAC_TYPE_BMAC;
2868 return rc;
2869 }
2870
2871 static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
2872 {
2873 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2874 NIG_REG_INGRESS_BMAC0_MEM;
2875 u32 wb_data[2];
2876 u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
2877
2878 /* Only if the bmac is out of reset */
2879 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
2880 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2881 nig_bmac_enable) {
2882
2883 if (CHIP_IS_E2(bp)) {
2884 /* Clear Rx Enable bit in BMAC_CONTROL register */
2885 REG_RD_DMAE(bp, bmac_addr +
2886 BIGMAC2_REGISTER_BMAC_CONTROL,
2887 wb_data, 2);
2888 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2889 REG_WR_DMAE(bp, bmac_addr +
2890 BIGMAC2_REGISTER_BMAC_CONTROL,
2891 wb_data, 2);
2892 } else {
2893 /* Clear Rx Enable bit in BMAC_CONTROL register */
2894 REG_RD_DMAE(bp, bmac_addr +
2895 BIGMAC_REGISTER_BMAC_CONTROL,
2896 wb_data, 2);
2897 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2898 REG_WR_DMAE(bp, bmac_addr +
2899 BIGMAC_REGISTER_BMAC_CONTROL,
2900 wb_data, 2);
2901 }
2902 usleep_range(1000, 2000);
2903 }
2904 }
2905
2906 static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
2907 u32 line_speed)
2908 {
2909 struct bnx2x *bp = params->bp;
2910 u8 port = params->port;
2911 u32 init_crd, crd;
2912 u32 count = 1000;
2913
2914 /* Disable port */
2915 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2916
2917 /* Wait for init credit */
2918 init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
2919 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2920 DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
2921
2922 while ((init_crd != crd) && count) {
2923 usleep_range(5000, 10000);
2924 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2925 count--;
2926 }
2927 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2928 if (init_crd != crd) {
2929 DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
2930 init_crd, crd);
2931 return -EINVAL;
2932 }
2933
2934 if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
2935 line_speed == SPEED_10 ||
2936 line_speed == SPEED_100 ||
2937 line_speed == SPEED_1000 ||
2938 line_speed == SPEED_2500) {
2939 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
2940 /* Update threshold */
2941 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
2942 /* Update init credit */
2943 init_crd = 778; /* (800-18-4) */
2944
2945 } else {
2946 u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
2947 ETH_OVREHEAD)/16;
2948 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
2949 /* Update threshold */
2950 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
2951 /* Update init credit */
2952 switch (line_speed) {
2953 case SPEED_10000:
2954 init_crd = thresh + 553 - 22;
2955 break;
2956 default:
2957 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2958 line_speed);
2959 return -EINVAL;
2960 }
2961 }
2962 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2963 DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
2964 line_speed, init_crd);
2965
2966 /* Probe the credit changes */
2967 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
2968 usleep_range(5000, 10000);
2969 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
2970
2971 /* Enable port */
2972 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2973 return 0;
2974 }
2975
2976 /**
2977 * bnx2x_get_emac_base - retrive emac base address
2978 *
2979 * @bp: driver handle
2980 * @mdc_mdio_access: access type
2981 * @port: port id
2982 *
2983 * This function selects the MDC/MDIO access (through emac0 or
2984 * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2985 * phy has a default access mode, which could also be overridden
2986 * by nvram configuration. This parameter, whether this is the
2987 * default phy configuration, or the nvram overrun
2988 * configuration, is passed here as mdc_mdio_access and selects
2989 * the emac_base for the CL45 read/writes operations
2990 */
2991 static u32 bnx2x_get_emac_base(struct bnx2x *bp,
2992 u32 mdc_mdio_access, u8 port)
2993 {
2994 u32 emac_base = 0;
2995 switch (mdc_mdio_access) {
2996 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
2997 break;
2998 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
2999 if (REG_RD(bp, NIG_REG_PORT_SWAP))
3000 emac_base = GRCBASE_EMAC1;
3001 else
3002 emac_base = GRCBASE_EMAC0;
3003 break;
3004 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
3005 if (REG_RD(bp, NIG_REG_PORT_SWAP))
3006 emac_base = GRCBASE_EMAC0;
3007 else
3008 emac_base = GRCBASE_EMAC1;
3009 break;
3010 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
3011 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3012 break;
3013 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
3014 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
3015 break;
3016 default:
3017 break;
3018 }
3019 return emac_base;
3020
3021 }
3022
3023 /******************************************************************/
3024 /* CL22 access functions */
3025 /******************************************************************/
3026 static int bnx2x_cl22_write(struct bnx2x *bp,
3027 struct bnx2x_phy *phy,
3028 u16 reg, u16 val)
3029 {
3030 u32 tmp, mode;
3031 u8 i;
3032 int rc = 0;
3033 /* Switch to CL22 */
3034 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
3035 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
3036 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
3037
3038 /* Address */
3039 tmp = ((phy->addr << 21) | (reg << 16) | val |
3040 EMAC_MDIO_COMM_COMMAND_WRITE_22 |
3041 EMAC_MDIO_COMM_START_BUSY);
3042 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3043
3044 for (i = 0; i < 50; i++) {
3045 udelay(10);
3046
3047 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3048 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3049 udelay(5);
3050 break;
3051 }
3052 }
3053 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3054 DP(NETIF_MSG_LINK, "write phy register failed\n");
3055 rc = -EFAULT;
3056 }
3057 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
3058 return rc;
3059 }
3060
3061 static int bnx2x_cl22_read(struct bnx2x *bp,
3062 struct bnx2x_phy *phy,
3063 u16 reg, u16 *ret_val)
3064 {
3065 u32 val, mode;
3066 u16 i;
3067 int rc = 0;
3068
3069 /* Switch to CL22 */
3070 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
3071 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
3072 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
3073
3074 /* Address */
3075 val = ((phy->addr << 21) | (reg << 16) |
3076 EMAC_MDIO_COMM_COMMAND_READ_22 |
3077 EMAC_MDIO_COMM_START_BUSY);
3078 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
3079
3080 for (i = 0; i < 50; i++) {
3081 udelay(10);
3082
3083 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3084 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3085 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
3086 udelay(5);
3087 break;
3088 }
3089 }
3090 if (val & EMAC_MDIO_COMM_START_BUSY) {
3091 DP(NETIF_MSG_LINK, "read phy register failed\n");
3092
3093 *ret_val = 0;
3094 rc = -EFAULT;
3095 }
3096 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
3097 return rc;
3098 }
3099
3100 /******************************************************************/
3101 /* CL45 access functions */
3102 /******************************************************************/
3103 static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
3104 u8 devad, u16 reg, u16 *ret_val)
3105 {
3106 u32 val;
3107 u16 i;
3108 int rc = 0;
3109 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3110 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3111 EMAC_MDIO_STATUS_10MB);
3112 /* Address */
3113 val = ((phy->addr << 21) | (devad << 16) | reg |
3114 EMAC_MDIO_COMM_COMMAND_ADDRESS |
3115 EMAC_MDIO_COMM_START_BUSY);
3116 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
3117
3118 for (i = 0; i < 50; i++) {
3119 udelay(10);
3120
3121 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3122 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3123 udelay(5);
3124 break;
3125 }
3126 }
3127 if (val & EMAC_MDIO_COMM_START_BUSY) {
3128 DP(NETIF_MSG_LINK, "read phy register failed\n");
3129 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
3130 *ret_val = 0;
3131 rc = -EFAULT;
3132 } else {
3133 /* Data */
3134 val = ((phy->addr << 21) | (devad << 16) |
3135 EMAC_MDIO_COMM_COMMAND_READ_45 |
3136 EMAC_MDIO_COMM_START_BUSY);
3137 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
3138
3139 for (i = 0; i < 50; i++) {
3140 udelay(10);
3141
3142 val = REG_RD(bp, phy->mdio_ctrl +
3143 EMAC_REG_EMAC_MDIO_COMM);
3144 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3145 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
3146 break;
3147 }
3148 }
3149 if (val & EMAC_MDIO_COMM_START_BUSY) {
3150 DP(NETIF_MSG_LINK, "read phy register failed\n");
3151 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
3152 *ret_val = 0;
3153 rc = -EFAULT;
3154 }
3155 }
3156 /* Work around for E3 A0 */
3157 if (phy->flags & FLAGS_MDC_MDIO_WA) {
3158 phy->flags ^= FLAGS_DUMMY_READ;
3159 if (phy->flags & FLAGS_DUMMY_READ) {
3160 u16 temp_val;
3161 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
3162 }
3163 }
3164
3165 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3166 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3167 EMAC_MDIO_STATUS_10MB);
3168 return rc;
3169 }
3170
3171 static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3172 u8 devad, u16 reg, u16 val)
3173 {
3174 u32 tmp;
3175 u8 i;
3176 int rc = 0;
3177 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3178 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3179 EMAC_MDIO_STATUS_10MB);
3180
3181 /* Address */
3182 tmp = ((phy->addr << 21) | (devad << 16) | reg |
3183 EMAC_MDIO_COMM_COMMAND_ADDRESS |
3184 EMAC_MDIO_COMM_START_BUSY);
3185 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3186
3187 for (i = 0; i < 50; i++) {
3188 udelay(10);
3189
3190 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3191 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3192 udelay(5);
3193 break;
3194 }
3195 }
3196 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3197 DP(NETIF_MSG_LINK, "write phy register failed\n");
3198 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
3199 rc = -EFAULT;
3200 } else {
3201 /* Data */
3202 tmp = ((phy->addr << 21) | (devad << 16) | val |
3203 EMAC_MDIO_COMM_COMMAND_WRITE_45 |
3204 EMAC_MDIO_COMM_START_BUSY);
3205 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3206
3207 for (i = 0; i < 50; i++) {
3208 udelay(10);
3209
3210 tmp = REG_RD(bp, phy->mdio_ctrl +
3211 EMAC_REG_EMAC_MDIO_COMM);
3212 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3213 udelay(5);
3214 break;
3215 }
3216 }
3217 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3218 DP(NETIF_MSG_LINK, "write phy register failed\n");
3219 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
3220 rc = -EFAULT;
3221 }
3222 }
3223 /* Work around for E3 A0 */
3224 if (phy->flags & FLAGS_MDC_MDIO_WA) {
3225 phy->flags ^= FLAGS_DUMMY_READ;
3226 if (phy->flags & FLAGS_DUMMY_READ) {
3227 u16 temp_val;
3228 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
3229 }
3230 }
3231 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3232 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3233 EMAC_MDIO_STATUS_10MB);
3234 return rc;
3235 }
3236 /******************************************************************/
3237 /* BSC access functions from E3 */
3238 /******************************************************************/
3239 static void bnx2x_bsc_module_sel(struct link_params *params)
3240 {
3241 int idx;
3242 u32 board_cfg, sfp_ctrl;
3243 u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3244 struct bnx2x *bp = params->bp;
3245 u8 port = params->port;
3246 /* Read I2C output PINs */
3247 board_cfg = REG_RD(bp, params->shmem_base +
3248 offsetof(struct shmem_region,
3249 dev_info.shared_hw_config.board));
3250 i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3251 i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3252 SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3253
3254 /* Read I2C output value */
3255 sfp_ctrl = REG_RD(bp, params->shmem_base +
3256 offsetof(struct shmem_region,
3257 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3258 i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3259 i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3260 DP(NETIF_MSG_LINK, "Setting BSC switch\n");
3261 for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3262 bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
3263 }
3264
3265 static int bnx2x_bsc_read(struct link_params *params,
3266 struct bnx2x_phy *phy,
3267 u8 sl_devid,
3268 u16 sl_addr,
3269 u8 lc_addr,
3270 u8 xfer_cnt,
3271 u32 *data_array)
3272 {
3273 u32 val, i;
3274 int rc = 0;
3275 struct bnx2x *bp = params->bp;
3276
3277 if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
3278 DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
3279 return -EINVAL;
3280 }
3281
3282 if (xfer_cnt > 16) {
3283 DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
3284 xfer_cnt);
3285 return -EINVAL;
3286 }
3287 bnx2x_bsc_module_sel(params);
3288
3289 xfer_cnt = 16 - lc_addr;
3290
3291 /* Enable the engine */
3292 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3293 val |= MCPR_IMC_COMMAND_ENABLE;
3294 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3295
3296 /* Program slave device ID */
3297 val = (sl_devid << 16) | sl_addr;
3298 REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3299
3300 /* Start xfer with 0 byte to update the address pointer ???*/
3301 val = (MCPR_IMC_COMMAND_ENABLE) |
3302 (MCPR_IMC_COMMAND_WRITE_OP <<
3303 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3304 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3305 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3306
3307 /* Poll for completion */
3308 i = 0;
3309 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3310 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3311 udelay(10);
3312 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3313 if (i++ > 1000) {
3314 DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
3315 i);
3316 rc = -EFAULT;
3317 break;
3318 }
3319 }
3320 if (rc == -EFAULT)
3321 return rc;
3322
3323 /* Start xfer with read op */
3324 val = (MCPR_IMC_COMMAND_ENABLE) |
3325 (MCPR_IMC_COMMAND_READ_OP <<
3326 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3327 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3328 (xfer_cnt);
3329 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3330
3331 /* Poll for completion */
3332 i = 0;
3333 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3334 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3335 udelay(10);
3336 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3337 if (i++ > 1000) {
3338 DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
3339 rc = -EFAULT;
3340 break;
3341 }
3342 }
3343 if (rc == -EFAULT)
3344 return rc;
3345
3346 for (i = (lc_addr >> 2); i < 4; i++) {
3347 data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3348 #ifdef __BIG_ENDIAN
3349 data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3350 ((data_array[i] & 0x0000ff00) << 8) |
3351 ((data_array[i] & 0x00ff0000) >> 8) |
3352 ((data_array[i] & 0xff000000) >> 24);
3353 #endif
3354 }
3355 return rc;
3356 }
3357
3358 static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3359 u8 devad, u16 reg, u16 or_val)
3360 {
3361 u16 val;
3362 bnx2x_cl45_read(bp, phy, devad, reg, &val);
3363 bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
3364 }
3365
3366 int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
3367 u8 devad, u16 reg, u16 *ret_val)
3368 {
3369 u8 phy_index;
3370 /* Probe for the phy according to the given phy_addr, and execute
3371 * the read request on it
3372 */
3373 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3374 if (params->phy[phy_index].addr == phy_addr) {
3375 return bnx2x_cl45_read(params->bp,
3376 &params->phy[phy_index], devad,
3377 reg, ret_val);
3378 }
3379 }
3380 return -EINVAL;
3381 }
3382
3383 int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
3384 u8 devad, u16 reg, u16 val)
3385 {
3386 u8 phy_index;
3387 /* Probe for the phy according to the given phy_addr, and execute
3388 * the write request on it
3389 */
3390 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3391 if (params->phy[phy_index].addr == phy_addr) {
3392 return bnx2x_cl45_write(params->bp,
3393 &params->phy[phy_index], devad,
3394 reg, val);
3395 }
3396 }
3397 return -EINVAL;
3398 }
3399 static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
3400 struct link_params *params)
3401 {
3402 u8 lane = 0;
3403 struct bnx2x *bp = params->bp;
3404 u32 path_swap, path_swap_ovr;
3405 u8 path, port;
3406
3407 path = BP_PATH(bp);
3408 port = params->port;
3409
3410 if (bnx2x_is_4_port_mode(bp)) {
3411 u32 port_swap, port_swap_ovr;
3412
3413 /* Figure out path swap value */
3414 path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
3415 if (path_swap_ovr & 0x1)
3416 path_swap = (path_swap_ovr & 0x2);
3417 else
3418 path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
3419
3420 if (path_swap)
3421 path = path ^ 1;
3422
3423 /* Figure out port swap value */
3424 port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
3425 if (port_swap_ovr & 0x1)
3426 port_swap = (port_swap_ovr & 0x2);
3427 else
3428 port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
3429
3430 if (port_swap)
3431 port = port ^ 1;
3432
3433 lane = (port<<1) + path;
3434 } else { /* Two port mode - no port swap */
3435
3436 /* Figure out path swap value */
3437 path_swap_ovr =
3438 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3439 if (path_swap_ovr & 0x1) {
3440 path_swap = (path_swap_ovr & 0x2);
3441 } else {
3442 path_swap =
3443 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
3444 }
3445 if (path_swap)
3446 path = path ^ 1;
3447
3448 lane = path << 1 ;
3449 }
3450 return lane;
3451 }
3452
3453 static void bnx2x_set_aer_mmd(struct link_params *params,
3454 struct bnx2x_phy *phy)
3455 {
3456 u32 ser_lane;
3457 u16 offset, aer_val;
3458 struct bnx2x *bp = params->bp;
3459 ser_lane = ((params->lane_config &
3460 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3461 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3462
3463 offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3464 (phy->addr + ser_lane) : 0;
3465
3466 if (USES_WARPCORE(bp)) {
3467 aer_val = bnx2x_get_warpcore_lane(phy, params);
3468 /* In Dual-lane mode, two lanes are joined together,
3469 * so in order to configure them, the AER broadcast method is
3470 * used here.
3471 * 0x200 is the broadcast address for lanes 0,1
3472 * 0x201 is the broadcast address for lanes 2,3
3473 */
3474 if (phy->flags & FLAGS_WC_DUAL_MODE)
3475 aer_val = (aer_val >> 1) | 0x200;
3476 } else if (CHIP_IS_E2(bp))
3477 aer_val = 0x3800 + offset - 1;
3478 else
3479 aer_val = 0x3800 + offset;
3480
3481 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3482 MDIO_AER_BLOCK_AER_REG, aer_val);
3483
3484 }
3485
3486 /******************************************************************/
3487 /* Internal phy section */
3488 /******************************************************************/
3489
3490 static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
3491 {
3492 u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3493
3494 /* Set Clause 22 */
3495 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
3496 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
3497 udelay(500);
3498 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3499 udelay(500);
3500 /* Set Clause 45 */
3501 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
3502 }
3503
3504 static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
3505 {
3506 u32 val;
3507
3508 DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
3509
3510 val = SERDES_RESET_BITS << (port*16);
3511
3512 /* Reset and unreset the SerDes/XGXS */
3513 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3514 udelay(500);
3515 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3516
3517 bnx2x_set_serdes_access(bp, port);
3518
3519 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3520 DEFAULT_PHY_DEV_ADDR);
3521 }
3522
3523 static void bnx2x_xgxs_deassert(struct link_params *params)
3524 {
3525 struct bnx2x *bp = params->bp;
3526 u8 port;
3527 u32 val;
3528 DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
3529 port = params->port;
3530
3531 val = XGXS_RESET_BITS << (port*16);
3532
3533 /* Reset and unreset the SerDes/XGXS */
3534 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3535 udelay(500);
3536 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3537
3538 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
3539 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
3540 params->phy[INT_PHY].def_md_devad);
3541 }
3542
3543 static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
3544 struct link_params *params, u16 *ieee_fc)
3545 {
3546 struct bnx2x *bp = params->bp;
3547 *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
3548 /* Resolve pause mode and advertisement Please refer to Table
3549 * 28B-3 of the 802.3ab-1999 spec
3550 */
3551
3552 switch (phy->req_flow_ctrl) {
3553 case BNX2X_FLOW_CTRL_AUTO:
3554 if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
3555 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3556 else
3557 *ieee_fc |=
3558 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3559 break;
3560
3561 case BNX2X_FLOW_CTRL_TX:
3562 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3563 break;
3564
3565 case BNX2X_FLOW_CTRL_RX:
3566 case BNX2X_FLOW_CTRL_BOTH:
3567 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3568 break;
3569
3570 case BNX2X_FLOW_CTRL_NONE:
3571 default:
3572 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3573 break;
3574 }
3575 DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
3576 }
3577
3578 static void set_phy_vars(struct link_params *params,
3579 struct link_vars *vars)
3580 {
3581 struct bnx2x *bp = params->bp;
3582 u8 actual_phy_idx, phy_index, link_cfg_idx;
3583 u8 phy_config_swapped = params->multi_phy_config &
3584 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
3585 for (phy_index = INT_PHY; phy_index < params->num_phys;
3586 phy_index++) {
3587 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
3588 actual_phy_idx = phy_index;
3589 if (phy_config_swapped) {
3590 if (phy_index == EXT_PHY1)
3591 actual_phy_idx = EXT_PHY2;
3592 else if (phy_index == EXT_PHY2)
3593 actual_phy_idx = EXT_PHY1;
3594 }
3595 params->phy[actual_phy_idx].req_flow_ctrl =
3596 params->req_flow_ctrl[link_cfg_idx];
3597
3598 params->phy[actual_phy_idx].req_line_speed =
3599 params->req_line_speed[link_cfg_idx];
3600
3601 params->phy[actual_phy_idx].speed_cap_mask =
3602 params->speed_cap_mask[link_cfg_idx];
3603
3604 params->phy[actual_phy_idx].req_duplex =
3605 params->req_duplex[link_cfg_idx];
3606
3607 if (params->req_line_speed[link_cfg_idx] ==
3608 SPEED_AUTO_NEG)
3609 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3610
3611 DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
3612 " speed_cap_mask %x\n",
3613 params->phy[actual_phy_idx].req_flow_ctrl,
3614 params->phy[actual_phy_idx].req_line_speed,
3615 params->phy[actual_phy_idx].speed_cap_mask);
3616 }
3617 }
3618
3619 static void bnx2x_ext_phy_set_pause(struct link_params *params,
3620 struct bnx2x_phy *phy,
3621 struct link_vars *vars)
3622 {
3623 u16 val;
3624 struct bnx2x *bp = params->bp;
3625 /* Read modify write pause advertizing */
3626 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3627
3628 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3629
3630 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3631 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3632 if ((vars->ieee_fc &
3633 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3634 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3635 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3636 }
3637 if ((vars->ieee_fc &
3638 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3639 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3640 val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3641 }
3642 DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3643 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3644 }
3645
3646 static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
3647 { /* LD LP */
3648 switch (pause_result) { /* ASYM P ASYM P */
3649 case 0xb: /* 1 0 1 1 */
3650 vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
3651 break;
3652
3653 case 0xe: /* 1 1 1 0 */
3654 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3655 break;
3656
3657 case 0x5: /* 0 1 0 1 */
3658 case 0x7: /* 0 1 1 1 */
3659 case 0xd: /* 1 1 0 1 */
3660 case 0xf: /* 1 1 1 1 */
3661 vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
3662 break;
3663
3664 default:
3665 break;
3666 }
3667 if (pause_result & (1<<0))
3668 vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3669 if (pause_result & (1<<1))
3670 vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
3671
3672 }
3673
3674 static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
3675 struct link_params *params,
3676 struct link_vars *vars)
3677 {
3678 u16 ld_pause; /* local */
3679 u16 lp_pause; /* link partner */
3680 u16 pause_result;
3681 struct bnx2x *bp = params->bp;
3682 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
3683 bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
3684 bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
3685 } else if (CHIP_IS_E3(bp) &&
3686 SINGLE_MEDIA_DIRECT(params)) {
3687 u8 lane = bnx2x_get_warpcore_lane(phy, params);
3688 u16 gp_status, gp_mask;
3689 bnx2x_cl45_read(bp, phy,
3690 MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
3691 &gp_status);
3692 gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
3693 MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
3694 lane;
3695 if ((gp_status & gp_mask) == gp_mask) {
3696 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3697 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3698 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3699 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3700 } else {
3701 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3702 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3703 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3704 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3705 ld_pause = ((ld_pause &
3706 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3707 << 3);
3708 lp_pause = ((lp_pause &
3709 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3710 << 3);
3711 }
3712 } else {
3713 bnx2x_cl45_read(bp, phy,
3714 MDIO_AN_DEVAD,
3715 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3716 bnx2x_cl45_read(bp, phy,
3717 MDIO_AN_DEVAD,
3718 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3719 }
3720 pause_result = (ld_pause &
3721 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3722 pause_result |= (lp_pause &
3723 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3724 DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
3725 bnx2x_pause_resolve(vars, pause_result);
3726
3727 }
3728
3729 static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3730 struct link_params *params,
3731 struct link_vars *vars)
3732 {
3733 u8 ret = 0;
3734 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3735 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
3736 /* Update the advertised flow-controled of LD/LP in AN */
3737 if (phy->req_line_speed == SPEED_AUTO_NEG)
3738 bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3739 /* But set the flow-control result as the requested one */
3740 vars->flow_ctrl = phy->req_flow_ctrl;
3741 } else if (phy->req_line_speed != SPEED_AUTO_NEG)
3742 vars->flow_ctrl = params->req_fc_auto_adv;
3743 else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3744 ret = 1;
3745 bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3746 }
3747 return ret;
3748 }
3749 /******************************************************************/
3750 /* Warpcore section */
3751 /******************************************************************/
3752 /* The init_internal_warpcore should mirror the xgxs,
3753 * i.e. reset the lane (if needed), set aer for the
3754 * init configuration, and set/clear SGMII flag. Internal
3755 * phy init is done purely in phy_init stage.
3756 */
3757 static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
3758 struct link_params *params,
3759 struct link_vars *vars) {
3760 u16 val16 = 0, lane, i;
3761 struct bnx2x *bp = params->bp;
3762 static struct bnx2x_reg_set reg_set[] = {
3763 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3764 {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0},
3765 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0},
3766 {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff},
3767 {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555},
3768 {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
3769 {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
3770 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
3771 /* Disable Autoneg: re-enable it after adv is done. */
3772 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0}
3773 };
3774 DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
3775 /* Set to default registers that may be overriden by 10G force */
3776 for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
3777 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3778 reg_set[i].val);
3779
3780 /* Check adding advertisement for 1G KX */
3781 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3782 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3783 (vars->line_speed == SPEED_1000)) {
3784 u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
3785 val16 |= (1<<5);
3786
3787 /* Enable CL37 1G Parallel Detect */
3788 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
3789 DP(NETIF_MSG_LINK, "Advertize 1G\n");
3790 }
3791 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3792 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
3793 (vars->line_speed == SPEED_10000)) {
3794 /* Check adding advertisement for 10G KR */
3795 val16 |= (1<<7);
3796 /* Enable 10G Parallel Detect */
3797 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3798 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
3799
3800 DP(NETIF_MSG_LINK, "Advertize 10G\n");
3801 }
3802
3803 /* Set Transmit PMD settings */
3804 lane = bnx2x_get_warpcore_lane(phy, params);
3805 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3806 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3807 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3808 (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3809 (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
3810 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3811 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
3812 0x03f0);
3813 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3814 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
3815 0x03f0);
3816
3817 /* Advertised speeds */
3818 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3819 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
3820
3821 /* Advertised and set FEC (Forward Error Correction) */
3822 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3823 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
3824 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
3825 MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
3826
3827 /* Enable CL37 BAM */
3828 if (REG_RD(bp, params->shmem_base +
3829 offsetof(struct shmem_region, dev_info.
3830 port_hw_config[params->port].default_cfg)) &
3831 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
3832 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3833 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
3834 1);
3835 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
3836 }
3837
3838 /* Advertise pause */
3839 bnx2x_ext_phy_set_pause(params, phy, vars);
3840 /* Set KR Autoneg Work-Around flag for Warpcore version older than D108
3841 */
3842 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3843 MDIO_WC_REG_UC_INFO_B1_VERSION, &val16);
3844 if (val16 < 0xd108) {
3845 DP(NETIF_MSG_LINK, "Enable AN KR work-around\n");
3846 vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
3847 }
3848 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3849 MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
3850
3851 /* Over 1G - AN local device user page 1 */
3852 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3853 MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
3854
3855 /* Enable Autoneg */
3856 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3857 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
3858
3859 }
3860
3861 static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
3862 struct link_params *params,
3863 struct link_vars *vars)
3864 {
3865 struct bnx2x *bp = params->bp;
3866 u16 i;
3867 static struct bnx2x_reg_set reg_set[] = {
3868 /* Disable Autoneg */
3869 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3870 {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0},
3871 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3872 0x3f00},
3873 {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
3874 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
3875 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
3876 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
3877 /* Disable CL36 PCS Tx */
3878 {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0},
3879 /* Double Wide Single Data Rate @ pll rate */
3880 {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF},
3881 /* Leave cl72 training enable, needed for KR */
3882 {MDIO_PMA_DEVAD,
3883 MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
3884 0x2}
3885 };
3886
3887 for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
3888 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3889 reg_set[i].val);
3890
3891 /* Leave CL72 enabled */
3892 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3893 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3894 0x3800);
3895
3896 /* Set speed via PMA/PMD register */
3897 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3898 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
3899
3900 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3901 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
3902
3903 /* Enable encoded forced speed */
3904 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3905 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
3906
3907 /* Turn TX scramble payload only the 64/66 scrambler */
3908 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3909 MDIO_WC_REG_TX66_CONTROL, 0x9);
3910
3911 /* Turn RX scramble payload only the 64/66 scrambler */
3912 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3913 MDIO_WC_REG_RX66_CONTROL, 0xF9);
3914
3915 /* Set and clear loopback to cause a reset to 64/66 decoder */
3916 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3917 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
3918 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3919 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3920
3921 }
3922
3923 static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
3924 struct link_params *params,
3925 u8 is_xfi)
3926 {
3927 struct bnx2x *bp = params->bp;
3928 u16 misc1_val, tap_val, tx_driver_val, lane, val;
3929 /* Hold rxSeqStart */
3930 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3931 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
3932
3933 /* Hold tx_fifo_reset */
3934 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3935 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
3936
3937 /* Disable CL73 AN */
3938 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
3939
3940 /* Disable 100FX Enable and Auto-Detect */
3941 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3942 MDIO_WC_REG_FX100_CTRL1, &val);
3943 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3944 MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
3945
3946 /* Disable 100FX Idle detect */
3947 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3948 MDIO_WC_REG_FX100_CTRL3, 0x0080);
3949
3950 /* Set Block address to Remote PHY & Clear forced_speed[5] */
3951 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3952 MDIO_WC_REG_DIGITAL4_MISC3, &val);
3953 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3954 MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
3955
3956 /* Turn off auto-detect & fiber mode */
3957 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3958 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
3959 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3960 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3961 (val & 0xFFEE));
3962
3963 /* Set filter_force_link, disable_false_link and parallel_detect */
3964 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3965 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
3966 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3967 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3968 ((val | 0x0006) & 0xFFFE));
3969
3970 /* Set XFI / SFI */
3971 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3972 MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
3973
3974 misc1_val &= ~(0x1f);
3975
3976 if (is_xfi) {
3977 misc1_val |= 0x5;
3978 tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3979 (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3980 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
3981 tx_driver_val =
3982 ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3983 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3984 (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
3985
3986 } else {
3987 misc1_val |= 0x9;
3988 tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3989 (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3990 (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
3991 tx_driver_val =
3992 ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3993 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3994 (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
3995 }
3996 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3997 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
3998
3999 /* Set Transmit PMD settings */
4000 lane = bnx2x_get_warpcore_lane(phy, params);
4001 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4002 MDIO_WC_REG_TX_FIR_TAP,
4003 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
4004 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4005 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4006 tx_driver_val);
4007
4008 /* Enable fiber mode, enable and invert sig_det */
4009 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4010 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
4011
4012 /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
4013 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4014 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
4015
4016 /* Enable LPI pass through */
4017 DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
4018 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4019 MDIO_WC_REG_EEE_COMBO_CONTROL0,
4020 0x7c);
4021 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4022 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
4023
4024 /* 10G XFI Full Duplex */
4025 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4026 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
4027
4028 /* Release tx_fifo_reset */
4029 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4030 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
4031 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4032 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
4033
4034 /* Release rxSeqStart */
4035 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4036 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
4037 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4038 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
4039 }
4040
4041 static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
4042 struct bnx2x_phy *phy)
4043 {
4044 DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
4045 }
4046
4047 static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
4048 struct bnx2x_phy *phy,
4049 u16 lane)
4050 {
4051 /* Rx0 anaRxControl1G */
4052 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4053 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
4054
4055 /* Rx2 anaRxControl1G */
4056 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4057 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
4058
4059 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4060 MDIO_WC_REG_RX66_SCW0, 0xE070);
4061
4062 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4063 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
4064
4065 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4066 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
4067
4068 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4069 MDIO_WC_REG_RX66_SCW3, 0x8090);
4070
4071 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4072 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
4073
4074 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4075 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
4076
4077 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4078 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
4079
4080 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4081 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
4082
4083 /* Serdes Digital Misc1 */
4084 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4085 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
4086
4087 /* Serdes Digital4 Misc3 */
4088 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4089 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
4090
4091 /* Set Transmit PMD settings */
4092 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4093 MDIO_WC_REG_TX_FIR_TAP,
4094 ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
4095 (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
4096 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
4097 MDIO_WC_REG_TX_FIR_TAP_ENABLE));
4098 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4099 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4100 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
4101 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
4102 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
4103 }
4104
4105 static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
4106 struct link_params *params,
4107 u8 fiber_mode,
4108 u8 always_autoneg)
4109 {
4110 struct bnx2x *bp = params->bp;
4111 u16 val16, digctrl_kx1, digctrl_kx2;
4112
4113 /* Clear XFI clock comp in non-10G single lane mode. */
4114 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4115 MDIO_WC_REG_RX66_CONTROL, &val16);
4116 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4117 MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
4118
4119 if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
4120 /* SGMII Autoneg */
4121 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4122 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4123 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4124 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4125 val16 | 0x1000);
4126 DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
4127 } else {
4128 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4129 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4130 val16 &= 0xcebf;
4131 switch (phy->req_line_speed) {
4132 case SPEED_10:
4133 break;
4134 case SPEED_100:
4135 val16 |= 0x2000;
4136 break;
4137 case SPEED_1000:
4138 val16 |= 0x0040;
4139 break;
4140 default:
4141 DP(NETIF_MSG_LINK,
4142 "Speed not supported: 0x%x\n", phy->req_line_speed);
4143 return;
4144 }
4145
4146 if (phy->req_duplex == DUPLEX_FULL)
4147 val16 |= 0x0100;
4148
4149 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4150 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
4151
4152 DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
4153 phy->req_line_speed);
4154 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4155 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4156 DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
4157 }
4158
4159 /* SGMII Slave mode and disable signal detect */
4160 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4161 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
4162 if (fiber_mode)
4163 digctrl_kx1 = 1;
4164 else
4165 digctrl_kx1 &= 0xff4a;
4166
4167 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4168 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4169 digctrl_kx1);
4170
4171 /* Turn off parallel detect */
4172 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4173 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
4174 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4175 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4176 (digctrl_kx2 & ~(1<<2)));
4177
4178 /* Re-enable parallel detect */
4179 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4180 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4181 (digctrl_kx2 | (1<<2)));
4182
4183 /* Enable autodet */
4184 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4185 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4186 (digctrl_kx1 | 0x10));
4187 }
4188
4189 static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
4190 struct bnx2x_phy *phy,
4191 u8 reset)
4192 {
4193 u16 val;
4194 /* Take lane out of reset after configuration is finished */
4195 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4196 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4197 if (reset)
4198 val |= 0xC000;
4199 else
4200 val &= 0x3FFF;
4201 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4202 MDIO_WC_REG_DIGITAL5_MISC6, val);
4203 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4204 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4205 }
4206 /* Clear SFI/XFI link settings registers */
4207 static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
4208 struct link_params *params,
4209 u16 lane)
4210 {
4211 struct bnx2x *bp = params->bp;
4212 u16 i;
4213 static struct bnx2x_reg_set wc_regs[] = {
4214 {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
4215 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
4216 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
4217 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
4218 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4219 0x0195},
4220 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4221 0x0007},
4222 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4223 0x0002},
4224 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
4225 {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
4226 {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
4227 {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
4228 };
4229 /* Set XFI clock comp as default. */
4230 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4231 MDIO_WC_REG_RX66_CONTROL, (3<<13));
4232
4233 for (i = 0; i < sizeof(wc_regs)/sizeof(struct bnx2x_reg_set); i++)
4234 bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
4235 wc_regs[i].val);
4236
4237 lane = bnx2x_get_warpcore_lane(phy, params);
4238 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4239 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
4240
4241 }
4242
4243 static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
4244 u32 chip_id,
4245 u32 shmem_base, u8 port,
4246 u8 *gpio_num, u8 *gpio_port)
4247 {
4248 u32 cfg_pin;
4249 *gpio_num = 0;
4250 *gpio_port = 0;
4251 if (CHIP_IS_E3(bp)) {
4252 cfg_pin = (REG_RD(bp, shmem_base +
4253 offsetof(struct shmem_region,
4254 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4255 PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4256 PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4257
4258 /* Should not happen. This function called upon interrupt
4259 * triggered by GPIO ( since EPIO can only generate interrupts
4260 * to MCP).
4261 * So if this function was called and none of the GPIOs was set,
4262 * it means the shit hit the fan.
4263 */
4264 if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4265 (cfg_pin > PIN_CFG_GPIO3_P1)) {
4266 DP(NETIF_MSG_LINK,
4267 "ERROR: Invalid cfg pin %x for module detect indication\n",
4268 cfg_pin);
4269 return -EINVAL;
4270 }
4271
4272 *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4273 *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4274 } else {
4275 *gpio_num = MISC_REGISTERS_GPIO_3;
4276 *gpio_port = port;
4277 }
4278 DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
4279 return 0;
4280 }
4281
4282 static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
4283 struct link_params *params)
4284 {
4285 struct bnx2x *bp = params->bp;
4286 u8 gpio_num, gpio_port;
4287 u32 gpio_val;
4288 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
4289 params->shmem_base, params->port,
4290 &gpio_num, &gpio_port) != 0)
4291 return 0;
4292 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
4293
4294 /* Call the handling function in case module is detected */
4295 if (gpio_val == 0)
4296 return 1;
4297 else
4298 return 0;
4299 }
4300 static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
4301 struct link_params *params)
4302 {
4303 u16 gp2_status_reg0, lane;
4304 struct bnx2x *bp = params->bp;
4305
4306 lane = bnx2x_get_warpcore_lane(phy, params);
4307
4308 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
4309 &gp2_status_reg0);
4310
4311 return (gp2_status_reg0 >> (8+lane)) & 0x1;
4312 }
4313
4314 static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
4315 struct link_params *params,
4316 struct link_vars *vars)
4317 {
4318 struct bnx2x *bp = params->bp;
4319 u32 serdes_net_if;
4320 u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
4321 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4322
4323 vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
4324
4325 if (!vars->turn_to_run_wc_rt)
4326 return;
4327
4328 /* Return if there is no link partner */
4329 if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
4330 DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
4331 return;
4332 }
4333
4334 if (vars->rx_tx_asic_rst) {
4335 serdes_net_if = (REG_RD(bp, params->shmem_base +
4336 offsetof(struct shmem_region, dev_info.
4337 port_hw_config[params->port].default_cfg)) &
4338 PORT_HW_CFG_NET_SERDES_IF_MASK);
4339
4340 switch (serdes_net_if) {
4341 case PORT_HW_CFG_NET_SERDES_IF_KR:
4342 /* Do we get link yet? */
4343 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
4344 &gp_status1);
4345 lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
4346 /*10G KR*/
4347 lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
4348
4349 DP(NETIF_MSG_LINK,
4350 "gp_status1 0x%x\n", gp_status1);
4351
4352 if (lnkup_kr || lnkup) {
4353 vars->rx_tx_asic_rst = 0;
4354 DP(NETIF_MSG_LINK,
4355 "link up, rx_tx_asic_rst 0x%x\n",
4356 vars->rx_tx_asic_rst);
4357 } else {
4358 /* Reset the lane to see if link comes up.*/
4359 bnx2x_warpcore_reset_lane(bp, phy, 1);
4360 bnx2x_warpcore_reset_lane(bp, phy, 0);
4361
4362 /* Restart Autoneg */
4363 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4364 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4365
4366 vars->rx_tx_asic_rst--;
4367 DP(NETIF_MSG_LINK, "0x%x retry left\n",
4368 vars->rx_tx_asic_rst);
4369 }
4370 break;
4371
4372 default:
4373 break;
4374 }
4375
4376 } /*params->rx_tx_asic_rst*/
4377
4378 }
4379 static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
4380 struct link_params *params)
4381 {
4382 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4383 struct bnx2x *bp = params->bp;
4384 bnx2x_warpcore_clear_regs(phy, params, lane);
4385 if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
4386 SPEED_10000) &&
4387 (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
4388 DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
4389 bnx2x_warpcore_set_10G_XFI(phy, params, 0);
4390 } else {
4391 DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
4392 bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
4393 }
4394 }
4395
4396 static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
4397 struct link_params *params,
4398 struct link_vars *vars)
4399 {
4400 struct bnx2x *bp = params->bp;
4401 u32 serdes_net_if;
4402 u8 fiber_mode;
4403 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4404 serdes_net_if = (REG_RD(bp, params->shmem_base +
4405 offsetof(struct shmem_region, dev_info.
4406 port_hw_config[params->port].default_cfg)) &
4407 PORT_HW_CFG_NET_SERDES_IF_MASK);
4408 DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
4409 "serdes_net_if = 0x%x\n",
4410 vars->line_speed, serdes_net_if);
4411 bnx2x_set_aer_mmd(params, phy);
4412
4413 vars->phy_flags |= PHY_XGXS_FLAG;
4414 if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4415 (phy->req_line_speed &&
4416 ((phy->req_line_speed == SPEED_100) ||
4417 (phy->req_line_speed == SPEED_10)))) {
4418 vars->phy_flags |= PHY_SGMII_FLAG;
4419 DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
4420 bnx2x_warpcore_clear_regs(phy, params, lane);
4421 bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
4422 } else {
4423 switch (serdes_net_if) {
4424 case PORT_HW_CFG_NET_SERDES_IF_KR:
4425 /* Enable KR Auto Neg */
4426 if (params->loopback_mode != LOOPBACK_EXT)
4427 bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4428 else {
4429 DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
4430 bnx2x_warpcore_set_10G_KR(phy, params, vars);
4431 }
4432 break;
4433
4434 case PORT_HW_CFG_NET_SERDES_IF_XFI:
4435 bnx2x_warpcore_clear_regs(phy, params, lane);
4436 if (vars->line_speed == SPEED_10000) {
4437 DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
4438 bnx2x_warpcore_set_10G_XFI(phy, params, 1);
4439 } else {
4440 if (SINGLE_MEDIA_DIRECT(params)) {
4441 DP(NETIF_MSG_LINK, "1G Fiber\n");
4442 fiber_mode = 1;
4443 } else {
4444 DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
4445 fiber_mode = 0;
4446 }
4447 bnx2x_warpcore_set_sgmii_speed(phy,
4448 params,
4449 fiber_mode,
4450 0);
4451 }
4452
4453 break;
4454
4455 case PORT_HW_CFG_NET_SERDES_IF_SFI:
4456 /* Issue Module detection */
4457 if (bnx2x_is_sfp_module_plugged(phy, params))
4458 bnx2x_sfp_module_detection(phy, params);
4459
4460 bnx2x_warpcore_config_sfi(phy, params);
4461 break;
4462
4463 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4464 if (vars->line_speed != SPEED_20000) {
4465 DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4466 return;
4467 }
4468 DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
4469 bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
4470 /* Issue Module detection */
4471
4472 bnx2x_sfp_module_detection(phy, params);
4473 break;
4474
4475 case PORT_HW_CFG_NET_SERDES_IF_KR2:
4476 if (vars->line_speed != SPEED_20000) {
4477 DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4478 return;
4479 }
4480 DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
4481 bnx2x_warpcore_set_20G_KR2(bp, phy);
4482 break;
4483
4484 default:
4485 DP(NETIF_MSG_LINK,
4486 "Unsupported Serdes Net Interface 0x%x\n",
4487 serdes_net_if);
4488 return;
4489 }
4490 }
4491
4492 /* Take lane out of reset after configuration is finished */
4493 bnx2x_warpcore_reset_lane(bp, phy, 0);
4494 DP(NETIF_MSG_LINK, "Exit config init\n");
4495 }
4496
4497 static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
4498 struct bnx2x_phy *phy,
4499 u8 tx_en)
4500 {
4501 struct bnx2x *bp = params->bp;
4502 u32 cfg_pin;
4503 u8 port = params->port;
4504
4505 cfg_pin = REG_RD(bp, params->shmem_base +
4506 offsetof(struct shmem_region,
4507 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4508 PORT_HW_CFG_TX_LASER_MASK;
4509 /* Set the !tx_en since this pin is DISABLE_TX_LASER */
4510 DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
4511 /* For 20G, the expected pin to be used is 3 pins after the current */
4512
4513 bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
4514 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4515 bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
4516 }
4517
4518 static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
4519 struct link_params *params)
4520 {
4521 struct bnx2x *bp = params->bp;
4522 u16 val16;
4523 bnx2x_sfp_e3_set_transmitter(params, phy, 0);
4524 bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
4525 bnx2x_set_aer_mmd(params, phy);
4526 /* Global register */
4527 bnx2x_warpcore_reset_lane(bp, phy, 1);
4528
4529 /* Clear loopback settings (if any) */
4530 /* 10G & 20G */
4531 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4532 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4533 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4534 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
4535 0xBFFF);
4536
4537 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4538 MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
4539 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4540 MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
4541
4542 /* Update those 1-copy registers */
4543 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4544 MDIO_AER_BLOCK_AER_REG, 0);
4545 /* Enable 1G MDIO (1-copy) */
4546 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4547 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4548 &val16);
4549 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4550 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4551 val16 & ~0x10);
4552
4553 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4554 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4555 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4556 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4557 val16 & 0xff00);
4558
4559 }
4560
4561 static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
4562 struct link_params *params)
4563 {
4564 struct bnx2x *bp = params->bp;
4565 u16 val16;
4566 u32 lane;
4567 DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
4568 params->loopback_mode, phy->req_line_speed);
4569
4570 if (phy->req_line_speed < SPEED_10000) {
4571 /* 10/100/1000 */
4572
4573 /* Update those 1-copy registers */
4574 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4575 MDIO_AER_BLOCK_AER_REG, 0);
4576 /* Enable 1G MDIO (1-copy) */
4577 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4578 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4579 0x10);
4580 /* Set 1G loopback based on lane (1-copy) */
4581 lane = bnx2x_get_warpcore_lane(phy, params);
4582 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4583 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4584 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4585 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4586 val16 | (1<<lane));
4587
4588 /* Switch back to 4-copy registers */
4589 bnx2x_set_aer_mmd(params, phy);
4590 } else {
4591 /* 10G & 20G */
4592 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4593 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4594 0x4000);
4595
4596 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4597 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
4598 }
4599 }
4600
4601
4602
4603 static void bnx2x_sync_link(struct link_params *params,
4604 struct link_vars *vars)
4605 {
4606 struct bnx2x *bp = params->bp;
4607 u8 link_10g_plus;
4608 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4609 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
4610 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
4611 if (vars->link_up) {
4612 DP(NETIF_MSG_LINK, "phy link up\n");
4613
4614 vars->phy_link_up = 1;
4615 vars->duplex = DUPLEX_FULL;
4616 switch (vars->link_status &
4617 LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
4618 case LINK_10THD:
4619 vars->duplex = DUPLEX_HALF;
4620 /* Fall thru */
4621 case LINK_10TFD:
4622 vars->line_speed = SPEED_10;
4623 break;
4624
4625 case LINK_100TXHD:
4626 vars->duplex = DUPLEX_HALF;
4627 /* Fall thru */
4628 case LINK_100T4:
4629 case LINK_100TXFD:
4630 vars->line_speed = SPEED_100;
4631 break;
4632
4633 case LINK_1000THD:
4634 vars->duplex = DUPLEX_HALF;
4635 /* Fall thru */
4636 case LINK_1000TFD:
4637 vars->line_speed = SPEED_1000;
4638 break;
4639
4640 case LINK_2500THD:
4641 vars->duplex = DUPLEX_HALF;
4642 /* Fall thru */
4643 case LINK_2500TFD:
4644 vars->line_speed = SPEED_2500;
4645 break;
4646
4647 case LINK_10GTFD:
4648 vars->line_speed = SPEED_10000;
4649 break;
4650 case LINK_20GTFD:
4651 vars->line_speed = SPEED_20000;
4652 break;
4653 default:
4654 break;
4655 }
4656 vars->flow_ctrl = 0;
4657 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
4658 vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
4659
4660 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
4661 vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
4662
4663 if (!vars->flow_ctrl)
4664 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4665
4666 if (vars->line_speed &&
4667 ((vars->line_speed == SPEED_10) ||
4668 (vars->line_speed == SPEED_100))) {
4669 vars->phy_flags |= PHY_SGMII_FLAG;
4670 } else {
4671 vars->phy_flags &= ~PHY_SGMII_FLAG;
4672 }
4673 if (vars->line_speed &&
4674 USES_WARPCORE(bp) &&
4675 (vars->line_speed == SPEED_1000))
4676 vars->phy_flags |= PHY_SGMII_FLAG;
4677 /* Anything 10 and over uses the bmac */
4678 link_10g_plus = (vars->line_speed >= SPEED_10000);
4679
4680 if (link_10g_plus) {
4681 if (USES_WARPCORE(bp))
4682 vars->mac_type = MAC_TYPE_XMAC;
4683 else
4684 vars->mac_type = MAC_TYPE_BMAC;
4685 } else {
4686 if (USES_WARPCORE(bp))
4687 vars->mac_type = MAC_TYPE_UMAC;
4688 else
4689 vars->mac_type = MAC_TYPE_EMAC;
4690 }
4691 } else { /* Link down */
4692 DP(NETIF_MSG_LINK, "phy link down\n");
4693
4694 vars->phy_link_up = 0;
4695
4696 vars->line_speed = 0;
4697 vars->duplex = DUPLEX_FULL;
4698 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4699
4700 /* Indicate no mac active */
4701 vars->mac_type = MAC_TYPE_NONE;
4702 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4703 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
4704 if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
4705 vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
4706 }
4707 }
4708
4709 void bnx2x_link_status_update(struct link_params *params,
4710 struct link_vars *vars)
4711 {
4712 struct bnx2x *bp = params->bp;
4713 u8 port = params->port;
4714 u32 sync_offset, media_types;
4715 /* Update PHY configuration */
4716 set_phy_vars(params, vars);
4717
4718 vars->link_status = REG_RD(bp, params->shmem_base +
4719 offsetof(struct shmem_region,
4720 port_mb[port].link_status));
4721
4722 vars->phy_flags = PHY_XGXS_FLAG;
4723 bnx2x_sync_link(params, vars);
4724 /* Sync media type */
4725 sync_offset = params->shmem_base +
4726 offsetof(struct shmem_region,
4727 dev_info.port_hw_config[port].media_type);
4728 media_types = REG_RD(bp, sync_offset);
4729
4730 params->phy[INT_PHY].media_type =
4731 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
4732 PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
4733 params->phy[EXT_PHY1].media_type =
4734 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
4735 PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
4736 params->phy[EXT_PHY2].media_type =
4737 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
4738 PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
4739 DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
4740
4741 /* Sync AEU offset */
4742 sync_offset = params->shmem_base +
4743 offsetof(struct shmem_region,
4744 dev_info.port_hw_config[port].aeu_int_mask);
4745
4746 vars->aeu_int_mask = REG_RD(bp, sync_offset);
4747
4748 /* Sync PFC status */
4749 if (vars->link_status & LINK_STATUS_PFC_ENABLED)
4750 params->feature_config_flags |=
4751 FEATURE_CONFIG_PFC_ENABLED;
4752 else
4753 params->feature_config_flags &=
4754 ~FEATURE_CONFIG_PFC_ENABLED;
4755
4756 DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
4757 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
4758 DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
4759 vars->line_speed, vars->duplex, vars->flow_ctrl);
4760 }
4761
4762 static void bnx2x_set_master_ln(struct link_params *params,
4763 struct bnx2x_phy *phy)
4764 {
4765 struct bnx2x *bp = params->bp;
4766 u16 new_master_ln, ser_lane;
4767 ser_lane = ((params->lane_config &
4768 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
4769 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
4770
4771 /* Set the master_ln for AN */
4772 CL22_RD_OVER_CL45(bp, phy,
4773 MDIO_REG_BANK_XGXS_BLOCK2,
4774 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4775 &new_master_ln);
4776
4777 CL22_WR_OVER_CL45(bp, phy,
4778 MDIO_REG_BANK_XGXS_BLOCK2 ,
4779 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4780 (new_master_ln | ser_lane));
4781 }
4782
4783 static int bnx2x_reset_unicore(struct link_params *params,
4784 struct bnx2x_phy *phy,
4785 u8 set_serdes)
4786 {
4787 struct bnx2x *bp = params->bp;
4788 u16 mii_control;
4789 u16 i;
4790 CL22_RD_OVER_CL45(bp, phy,
4791 MDIO_REG_BANK_COMBO_IEEE0,
4792 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
4793
4794 /* Reset the unicore */
4795 CL22_WR_OVER_CL45(bp, phy,
4796 MDIO_REG_BANK_COMBO_IEEE0,
4797 MDIO_COMBO_IEEE0_MII_CONTROL,
4798 (mii_control |
4799 MDIO_COMBO_IEEO_MII_CONTROL_RESET));
4800 if (set_serdes)
4801 bnx2x_set_serdes_access(bp, params->port);
4802
4803 /* Wait for the reset to self clear */
4804 for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
4805 udelay(5);
4806
4807 /* The reset erased the previous bank value */
4808 CL22_RD_OVER_CL45(bp, phy,
4809 MDIO_REG_BANK_COMBO_IEEE0,
4810 MDIO_COMBO_IEEE0_MII_CONTROL,
4811 &mii_control);
4812
4813 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
4814 udelay(5);
4815 return 0;
4816 }
4817 }
4818
4819 netdev_err(bp->dev, "Warning: PHY was not initialized,"
4820 " Port %d\n",
4821 params->port);
4822 DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
4823 return -EINVAL;
4824
4825 }
4826
4827 static void bnx2x_set_swap_lanes(struct link_params *params,
4828 struct bnx2x_phy *phy)
4829 {
4830 struct bnx2x *bp = params->bp;
4831 /* Each two bits represents a lane number:
4832 * No swap is 0123 => 0x1b no need to enable the swap
4833 */
4834 u16 rx_lane_swap, tx_lane_swap;
4835
4836 rx_lane_swap = ((params->lane_config &
4837 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
4838 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
4839 tx_lane_swap = ((params->lane_config &
4840 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
4841 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
4842
4843 if (rx_lane_swap != 0x1b) {
4844 CL22_WR_OVER_CL45(bp, phy,
4845 MDIO_REG_BANK_XGXS_BLOCK2,
4846 MDIO_XGXS_BLOCK2_RX_LN_SWAP,
4847 (rx_lane_swap |
4848 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
4849 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
4850 } else {
4851 CL22_WR_OVER_CL45(bp, phy,
4852 MDIO_REG_BANK_XGXS_BLOCK2,
4853 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
4854 }
4855
4856 if (tx_lane_swap != 0x1b) {
4857 CL22_WR_OVER_CL45(bp, phy,
4858 MDIO_REG_BANK_XGXS_BLOCK2,
4859 MDIO_XGXS_BLOCK2_TX_LN_SWAP,
4860 (tx_lane_swap |
4861 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
4862 } else {
4863 CL22_WR_OVER_CL45(bp, phy,
4864 MDIO_REG_BANK_XGXS_BLOCK2,
4865 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
4866 }
4867 }
4868
4869 static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
4870 struct link_params *params)
4871 {
4872 struct bnx2x *bp = params->bp;
4873 u16 control2;
4874 CL22_RD_OVER_CL45(bp, phy,
4875 MDIO_REG_BANK_SERDES_DIGITAL,
4876 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4877 &control2);
4878 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
4879 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4880 else
4881 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4882 DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
4883 phy->speed_cap_mask, control2);
4884 CL22_WR_OVER_CL45(bp, phy,
4885 MDIO_REG_BANK_SERDES_DIGITAL,
4886 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4887 control2);
4888
4889 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
4890 (phy->speed_cap_mask &
4891 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
4892 DP(NETIF_MSG_LINK, "XGXS\n");
4893
4894 CL22_WR_OVER_CL45(bp, phy,
4895 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4896 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
4897 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
4898
4899 CL22_RD_OVER_CL45(bp, phy,
4900 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4901 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4902 &control2);
4903
4904
4905 control2 |=
4906 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
4907
4908 CL22_WR_OVER_CL45(bp, phy,
4909 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4910 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4911 control2);
4912
4913 /* Disable parallel detection of HiG */
4914 CL22_WR_OVER_CL45(bp, phy,
4915 MDIO_REG_BANK_XGXS_BLOCK2,
4916 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
4917 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
4918 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
4919 }
4920 }
4921
4922 static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
4923 struct link_params *params,
4924 struct link_vars *vars,
4925 u8 enable_cl73)
4926 {
4927 struct bnx2x *bp = params->bp;
4928 u16 reg_val;
4929
4930 /* CL37 Autoneg */
4931 CL22_RD_OVER_CL45(bp, phy,
4932 MDIO_REG_BANK_COMBO_IEEE0,
4933 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
4934
4935 /* CL37 Autoneg Enabled */
4936 if (vars->line_speed == SPEED_AUTO_NEG)
4937 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
4938 else /* CL37 Autoneg Disabled */
4939 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4940 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
4941
4942 CL22_WR_OVER_CL45(bp, phy,
4943 MDIO_REG_BANK_COMBO_IEEE0,
4944 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
4945
4946 /* Enable/Disable Autodetection */
4947
4948 CL22_RD_OVER_CL45(bp, phy,
4949 MDIO_REG_BANK_SERDES_DIGITAL,
4950 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
4951 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
4952 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
4953 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
4954 if (vars->line_speed == SPEED_AUTO_NEG)
4955 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
4956 else
4957 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
4958
4959 CL22_WR_OVER_CL45(bp, phy,
4960 MDIO_REG_BANK_SERDES_DIGITAL,
4961 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
4962
4963 /* Enable TetonII and BAM autoneg */
4964 CL22_RD_OVER_CL45(bp, phy,
4965 MDIO_REG_BANK_BAM_NEXT_PAGE,
4966 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
4967 &reg_val);
4968 if (vars->line_speed == SPEED_AUTO_NEG) {
4969 /* Enable BAM aneg Mode and TetonII aneg Mode */
4970 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
4971 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
4972 } else {
4973 /* TetonII and BAM Autoneg Disabled */
4974 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
4975 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
4976 }
4977 CL22_WR_OVER_CL45(bp, phy,
4978 MDIO_REG_BANK_BAM_NEXT_PAGE,
4979 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
4980 reg_val);
4981
4982 if (enable_cl73) {
4983 /* Enable Cl73 FSM status bits */
4984 CL22_WR_OVER_CL45(bp, phy,
4985 MDIO_REG_BANK_CL73_USERB0,
4986 MDIO_CL73_USERB0_CL73_UCTRL,
4987 0xe);
4988
4989 /* Enable BAM Station Manager*/
4990 CL22_WR_OVER_CL45(bp, phy,
4991 MDIO_REG_BANK_CL73_USERB0,
4992 MDIO_CL73_USERB0_CL73_BAM_CTRL1,
4993 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
4994 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
4995 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
4996
4997 /* Advertise CL73 link speeds */
4998 CL22_RD_OVER_CL45(bp, phy,
4999 MDIO_REG_BANK_CL73_IEEEB1,
5000 MDIO_CL73_IEEEB1_AN_ADV2,
5001 &reg_val);
5002 if (phy->speed_cap_mask &
5003 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5004 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
5005 if (phy->speed_cap_mask &
5006 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5007 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
5008
5009 CL22_WR_OVER_CL45(bp, phy,
5010 MDIO_REG_BANK_CL73_IEEEB1,
5011 MDIO_CL73_IEEEB1_AN_ADV2,
5012 reg_val);
5013
5014 /* CL73 Autoneg Enabled */
5015 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
5016
5017 } else /* CL73 Autoneg Disabled */
5018 reg_val = 0;
5019
5020 CL22_WR_OVER_CL45(bp, phy,
5021 MDIO_REG_BANK_CL73_IEEEB0,
5022 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
5023 }
5024
5025 /* Program SerDes, forced speed */
5026 static void bnx2x_program_serdes(struct bnx2x_phy *phy,
5027 struct link_params *params,
5028 struct link_vars *vars)
5029 {
5030 struct bnx2x *bp = params->bp;
5031 u16 reg_val;
5032
5033 /* Program duplex, disable autoneg and sgmii*/
5034 CL22_RD_OVER_CL45(bp, phy,
5035 MDIO_REG_BANK_COMBO_IEEE0,
5036 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
5037 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
5038 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5039 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
5040 if (phy->req_duplex == DUPLEX_FULL)
5041 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5042 CL22_WR_OVER_CL45(bp, phy,
5043 MDIO_REG_BANK_COMBO_IEEE0,
5044 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5045
5046 /* Program speed
5047 * - needed only if the speed is greater than 1G (2.5G or 10G)
5048 */
5049 CL22_RD_OVER_CL45(bp, phy,
5050 MDIO_REG_BANK_SERDES_DIGITAL,
5051 MDIO_SERDES_DIGITAL_MISC1, &reg_val);
5052 /* Clearing the speed value before setting the right speed */
5053 DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
5054
5055 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
5056 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5057
5058 if (!((vars->line_speed == SPEED_1000) ||
5059 (vars->line_speed == SPEED_100) ||
5060 (vars->line_speed == SPEED_10))) {
5061
5062 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
5063 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5064 if (vars->line_speed == SPEED_10000)
5065 reg_val |=
5066 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
5067 }
5068
5069 CL22_WR_OVER_CL45(bp, phy,
5070 MDIO_REG_BANK_SERDES_DIGITAL,
5071 MDIO_SERDES_DIGITAL_MISC1, reg_val);
5072
5073 }
5074
5075 static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
5076 struct link_params *params)
5077 {
5078 struct bnx2x *bp = params->bp;
5079 u16 val = 0;
5080
5081 /* Set extended capabilities */
5082 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
5083 val |= MDIO_OVER_1G_UP1_2_5G;
5084 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5085 val |= MDIO_OVER_1G_UP1_10G;
5086 CL22_WR_OVER_CL45(bp, phy,
5087 MDIO_REG_BANK_OVER_1G,
5088 MDIO_OVER_1G_UP1, val);
5089
5090 CL22_WR_OVER_CL45(bp, phy,
5091 MDIO_REG_BANK_OVER_1G,
5092 MDIO_OVER_1G_UP3, 0x400);
5093 }
5094
5095 static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
5096 struct link_params *params,
5097 u16 ieee_fc)
5098 {
5099 struct bnx2x *bp = params->bp;
5100 u16 val;
5101 /* For AN, we are always publishing full duplex */
5102
5103 CL22_WR_OVER_CL45(bp, phy,
5104 MDIO_REG_BANK_COMBO_IEEE0,
5105 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
5106 CL22_RD_OVER_CL45(bp, phy,
5107 MDIO_REG_BANK_CL73_IEEEB1,
5108 MDIO_CL73_IEEEB1_AN_ADV1, &val);
5109 val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
5110 val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
5111 CL22_WR_OVER_CL45(bp, phy,
5112 MDIO_REG_BANK_CL73_IEEEB1,
5113 MDIO_CL73_IEEEB1_AN_ADV1, val);
5114 }
5115
5116 static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
5117 struct link_params *params,
5118 u8 enable_cl73)
5119 {
5120 struct bnx2x *bp = params->bp;
5121 u16 mii_control;
5122
5123 DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
5124 /* Enable and restart BAM/CL37 aneg */
5125
5126 if (enable_cl73) {
5127 CL22_RD_OVER_CL45(bp, phy,
5128 MDIO_REG_BANK_CL73_IEEEB0,
5129 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5130 &mii_control);
5131
5132 CL22_WR_OVER_CL45(bp, phy,
5133 MDIO_REG_BANK_CL73_IEEEB0,
5134 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5135 (mii_control |
5136 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
5137 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
5138 } else {
5139
5140 CL22_RD_OVER_CL45(bp, phy,
5141 MDIO_REG_BANK_COMBO_IEEE0,
5142 MDIO_COMBO_IEEE0_MII_CONTROL,
5143 &mii_control);
5144 DP(NETIF_MSG_LINK,
5145 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
5146 mii_control);
5147 CL22_WR_OVER_CL45(bp, phy,
5148 MDIO_REG_BANK_COMBO_IEEE0,
5149 MDIO_COMBO_IEEE0_MII_CONTROL,
5150 (mii_control |
5151 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5152 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
5153 }
5154 }
5155
5156 static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
5157 struct link_params *params,
5158 struct link_vars *vars)
5159 {
5160 struct bnx2x *bp = params->bp;
5161 u16 control1;
5162
5163 /* In SGMII mode, the unicore is always slave */
5164
5165 CL22_RD_OVER_CL45(bp, phy,
5166 MDIO_REG_BANK_SERDES_DIGITAL,
5167 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5168 &control1);
5169 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
5170 /* Set sgmii mode (and not fiber) */
5171 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
5172 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
5173 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
5174 CL22_WR_OVER_CL45(bp, phy,
5175 MDIO_REG_BANK_SERDES_DIGITAL,
5176 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5177 control1);
5178
5179 /* If forced speed */
5180 if (!(vars->line_speed == SPEED_AUTO_NEG)) {
5181 /* Set speed, disable autoneg */
5182 u16 mii_control;
5183
5184 CL22_RD_OVER_CL45(bp, phy,
5185 MDIO_REG_BANK_COMBO_IEEE0,
5186 MDIO_COMBO_IEEE0_MII_CONTROL,
5187 &mii_control);
5188 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5189 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
5190 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
5191
5192 switch (vars->line_speed) {
5193 case SPEED_100:
5194 mii_control |=
5195 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
5196 break;
5197 case SPEED_1000:
5198 mii_control |=
5199 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
5200 break;
5201 case SPEED_10:
5202 /* There is nothing to set for 10M */
5203 break;
5204 default:
5205 /* Invalid speed for SGMII */
5206 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5207 vars->line_speed);
5208 break;
5209 }
5210
5211 /* Setting the full duplex */
5212 if (phy->req_duplex == DUPLEX_FULL)
5213 mii_control |=
5214 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5215 CL22_WR_OVER_CL45(bp, phy,
5216 MDIO_REG_BANK_COMBO_IEEE0,
5217 MDIO_COMBO_IEEE0_MII_CONTROL,
5218 mii_control);
5219
5220 } else { /* AN mode */
5221 /* Enable and restart AN */
5222 bnx2x_restart_autoneg(phy, params, 0);
5223 }
5224 }
5225
5226 /* Link management
5227 */
5228 static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
5229 struct link_params *params)
5230 {
5231 struct bnx2x *bp = params->bp;
5232 u16 pd_10g, status2_1000x;
5233 if (phy->req_line_speed != SPEED_AUTO_NEG)
5234 return 0;
5235 CL22_RD_OVER_CL45(bp, phy,
5236 MDIO_REG_BANK_SERDES_DIGITAL,
5237 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5238 &status2_1000x);
5239 CL22_RD_OVER_CL45(bp, phy,
5240 MDIO_REG_BANK_SERDES_DIGITAL,
5241 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5242 &status2_1000x);
5243 if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
5244 DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
5245 params->port);
5246 return 1;
5247 }
5248
5249 CL22_RD_OVER_CL45(bp, phy,
5250 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5251 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
5252 &pd_10g);
5253
5254 if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
5255 DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
5256 params->port);
5257 return 1;
5258 }
5259 return 0;
5260 }
5261
5262 static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
5263 struct link_params *params,
5264 struct link_vars *vars,
5265 u32 gp_status)
5266 {
5267 u16 ld_pause; /* local driver */
5268 u16 lp_pause; /* link partner */
5269 u16 pause_result;
5270 struct bnx2x *bp = params->bp;
5271 if ((gp_status &
5272 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5273 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
5274 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5275 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
5276
5277 CL22_RD_OVER_CL45(bp, phy,
5278 MDIO_REG_BANK_CL73_IEEEB1,
5279 MDIO_CL73_IEEEB1_AN_ADV1,
5280 &ld_pause);
5281 CL22_RD_OVER_CL45(bp, phy,
5282 MDIO_REG_BANK_CL73_IEEEB1,
5283 MDIO_CL73_IEEEB1_AN_LP_ADV1,
5284 &lp_pause);
5285 pause_result = (ld_pause &
5286 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
5287 pause_result |= (lp_pause &
5288 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
5289 DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
5290 } else {
5291 CL22_RD_OVER_CL45(bp, phy,
5292 MDIO_REG_BANK_COMBO_IEEE0,
5293 MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
5294 &ld_pause);
5295 CL22_RD_OVER_CL45(bp, phy,
5296 MDIO_REG_BANK_COMBO_IEEE0,
5297 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
5298 &lp_pause);
5299 pause_result = (ld_pause &
5300 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
5301 pause_result |= (lp_pause &
5302 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
5303 DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
5304 }
5305 bnx2x_pause_resolve(vars, pause_result);
5306
5307 }
5308
5309 static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
5310 struct link_params *params,
5311 struct link_vars *vars,
5312 u32 gp_status)
5313 {
5314 struct bnx2x *bp = params->bp;
5315 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5316
5317 /* Resolve from gp_status in case of AN complete and not sgmii */
5318 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
5319 /* Update the advertised flow-controled of LD/LP in AN */
5320 if (phy->req_line_speed == SPEED_AUTO_NEG)
5321 bnx2x_update_adv_fc(phy, params, vars, gp_status);
5322 /* But set the flow-control result as the requested one */
5323 vars->flow_ctrl = phy->req_flow_ctrl;
5324 } else if (phy->req_line_speed != SPEED_AUTO_NEG)
5325 vars->flow_ctrl = params->req_fc_auto_adv;
5326 else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
5327 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
5328 if (bnx2x_direct_parallel_detect_used(phy, params)) {
5329 vars->flow_ctrl = params->req_fc_auto_adv;
5330 return;
5331 }
5332 bnx2x_update_adv_fc(phy, params, vars, gp_status);
5333 }
5334 DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
5335 }
5336
5337 static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
5338 struct link_params *params)
5339 {
5340 struct bnx2x *bp = params->bp;
5341 u16 rx_status, ustat_val, cl37_fsm_received;
5342 DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
5343 /* Step 1: Make sure signal is detected */
5344 CL22_RD_OVER_CL45(bp, phy,
5345 MDIO_REG_BANK_RX0,
5346 MDIO_RX0_RX_STATUS,
5347 &rx_status);
5348 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
5349 (MDIO_RX0_RX_STATUS_SIGDET)) {
5350 DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
5351 "rx_status(0x80b0) = 0x%x\n", rx_status);
5352 CL22_WR_OVER_CL45(bp, phy,
5353 MDIO_REG_BANK_CL73_IEEEB0,
5354 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5355 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
5356 return;
5357 }
5358 /* Step 2: Check CL73 state machine */
5359 CL22_RD_OVER_CL45(bp, phy,
5360 MDIO_REG_BANK_CL73_USERB0,
5361 MDIO_CL73_USERB0_CL73_USTAT1,
5362 &ustat_val);
5363 if ((ustat_val &
5364 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5365 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
5366 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5367 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
5368 DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
5369 "ustat_val(0x8371) = 0x%x\n", ustat_val);
5370 return;
5371 }
5372 /* Step 3: Check CL37 Message Pages received to indicate LP
5373 * supports only CL37
5374 */
5375 CL22_RD_OVER_CL45(bp, phy,
5376 MDIO_REG_BANK_REMOTE_PHY,
5377 MDIO_REMOTE_PHY_MISC_RX_STATUS,
5378 &cl37_fsm_received);
5379 if ((cl37_fsm_received &
5380 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5381 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
5382 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5383 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
5384 DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
5385 "misc_rx_status(0x8330) = 0x%x\n",
5386 cl37_fsm_received);
5387 return;
5388 }
5389 /* The combined cl37/cl73 fsm state information indicating that
5390 * we are connected to a device which does not support cl73, but
5391 * does support cl37 BAM. In this case we disable cl73 and
5392 * restart cl37 auto-neg
5393 */
5394
5395 /* Disable CL73 */
5396 CL22_WR_OVER_CL45(bp, phy,
5397 MDIO_REG_BANK_CL73_IEEEB0,
5398 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5399 0);
5400 /* Restart CL37 autoneg */
5401 bnx2x_restart_autoneg(phy, params, 0);
5402 DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
5403 }
5404
5405 static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
5406 struct link_params *params,
5407 struct link_vars *vars,
5408 u32 gp_status)
5409 {
5410 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
5411 vars->link_status |=
5412 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5413
5414 if (bnx2x_direct_parallel_detect_used(phy, params))
5415 vars->link_status |=
5416 LINK_STATUS_PARALLEL_DETECTION_USED;
5417 }
5418 static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
5419 struct link_params *params,
5420 struct link_vars *vars,
5421 u16 is_link_up,
5422 u16 speed_mask,
5423 u16 is_duplex)
5424 {
5425 struct bnx2x *bp = params->bp;
5426 if (phy->req_line_speed == SPEED_AUTO_NEG)
5427 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
5428 if (is_link_up) {
5429 DP(NETIF_MSG_LINK, "phy link up\n");
5430
5431 vars->phy_link_up = 1;
5432 vars->link_status |= LINK_STATUS_LINK_UP;
5433
5434 switch (speed_mask) {
5435 case GP_STATUS_10M:
5436 vars->line_speed = SPEED_10;
5437 if (is_duplex == DUPLEX_FULL)
5438 vars->link_status |= LINK_10TFD;
5439 else
5440 vars->link_status |= LINK_10THD;
5441 break;
5442
5443 case GP_STATUS_100M:
5444 vars->line_speed = SPEED_100;
5445 if (is_duplex == DUPLEX_FULL)
5446 vars->link_status |= LINK_100TXFD;
5447 else
5448 vars->link_status |= LINK_100TXHD;
5449 break;
5450
5451 case GP_STATUS_1G:
5452 case GP_STATUS_1G_KX:
5453 vars->line_speed = SPEED_1000;
5454 if (is_duplex == DUPLEX_FULL)
5455 vars->link_status |= LINK_1000TFD;
5456 else
5457 vars->link_status |= LINK_1000THD;
5458 break;
5459
5460 case GP_STATUS_2_5G:
5461 vars->line_speed = SPEED_2500;
5462 if (is_duplex == DUPLEX_FULL)
5463 vars->link_status |= LINK_2500TFD;
5464 else
5465 vars->link_status |= LINK_2500THD;
5466 break;
5467
5468 case GP_STATUS_5G:
5469 case GP_STATUS_6G:
5470 DP(NETIF_MSG_LINK,
5471 "link speed unsupported gp_status 0x%x\n",
5472 speed_mask);
5473 return -EINVAL;
5474
5475 case GP_STATUS_10G_KX4:
5476 case GP_STATUS_10G_HIG:
5477 case GP_STATUS_10G_CX4:
5478 case GP_STATUS_10G_KR:
5479 case GP_STATUS_10G_SFI:
5480 case GP_STATUS_10G_XFI:
5481 vars->line_speed = SPEED_10000;
5482 vars->link_status |= LINK_10GTFD;
5483 break;
5484 case GP_STATUS_20G_DXGXS:
5485 vars->line_speed = SPEED_20000;
5486 vars->link_status |= LINK_20GTFD;
5487 break;
5488 default:
5489 DP(NETIF_MSG_LINK,
5490 "link speed unsupported gp_status 0x%x\n",
5491 speed_mask);
5492 return -EINVAL;
5493 }
5494 } else { /* link_down */
5495 DP(NETIF_MSG_LINK, "phy link down\n");
5496
5497 vars->phy_link_up = 0;
5498
5499 vars->duplex = DUPLEX_FULL;
5500 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5501 vars->mac_type = MAC_TYPE_NONE;
5502 }
5503 DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
5504 vars->phy_link_up, vars->line_speed);
5505 return 0;
5506 }
5507
5508 static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
5509 struct link_params *params,
5510 struct link_vars *vars)
5511 {
5512 struct bnx2x *bp = params->bp;
5513
5514 u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
5515 int rc = 0;
5516
5517 /* Read gp_status */
5518 CL22_RD_OVER_CL45(bp, phy,
5519 MDIO_REG_BANK_GP_STATUS,
5520 MDIO_GP_STATUS_TOP_AN_STATUS1,
5521 &gp_status);
5522 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
5523 duplex = DUPLEX_FULL;
5524 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
5525 link_up = 1;
5526 speed_mask = gp_status & GP_STATUS_SPEED_MASK;
5527 DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
5528 gp_status, link_up, speed_mask);
5529 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
5530 duplex);
5531 if (rc == -EINVAL)
5532 return rc;
5533
5534 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
5535 if (SINGLE_MEDIA_DIRECT(params)) {
5536 vars->duplex = duplex;
5537 bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
5538 if (phy->req_line_speed == SPEED_AUTO_NEG)
5539 bnx2x_xgxs_an_resolve(phy, params, vars,
5540 gp_status);
5541 }
5542 } else { /* Link_down */
5543 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5544 SINGLE_MEDIA_DIRECT(params)) {
5545 /* Check signal is detected */
5546 bnx2x_check_fallback_to_cl37(phy, params);
5547 }
5548 }
5549
5550 /* Read LP advertised speeds*/
5551 if (SINGLE_MEDIA_DIRECT(params) &&
5552 (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
5553 u16 val;
5554
5555 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
5556 MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
5557
5558 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5559 vars->link_status |=
5560 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5561 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5562 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5563 vars->link_status |=
5564 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5565
5566 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
5567 MDIO_OVER_1G_LP_UP1, &val);
5568
5569 if (val & MDIO_OVER_1G_UP1_2_5G)
5570 vars->link_status |=
5571 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5572 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5573 vars->link_status |=
5574 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5575 }
5576
5577 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5578 vars->duplex, vars->flow_ctrl, vars->link_status);
5579 return rc;
5580 }
5581
5582 static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
5583 struct link_params *params,
5584 struct link_vars *vars)
5585 {
5586 struct bnx2x *bp = params->bp;
5587 u8 lane;
5588 u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
5589 int rc = 0;
5590 lane = bnx2x_get_warpcore_lane(phy, params);
5591 /* Read gp_status */
5592 if (phy->req_line_speed > SPEED_10000) {
5593 u16 temp_link_up;
5594 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5595 1, &temp_link_up);
5596 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5597 1, &link_up);
5598 DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
5599 temp_link_up, link_up);
5600 link_up &= (1<<2);
5601 if (link_up)
5602 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5603 } else {
5604 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5605 MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
5606 DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
5607 /* Check for either KR or generic link up. */
5608 gp_status1 = ((gp_status1 >> 8) & 0xf) |
5609 ((gp_status1 >> 12) & 0xf);
5610 link_up = gp_status1 & (1 << lane);
5611 if (link_up && SINGLE_MEDIA_DIRECT(params)) {
5612 u16 pd, gp_status4;
5613 if (phy->req_line_speed == SPEED_AUTO_NEG) {
5614 /* Check Autoneg complete */
5615 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5616 MDIO_WC_REG_GP2_STATUS_GP_2_4,
5617 &gp_status4);
5618 if (gp_status4 & ((1<<12)<<lane))
5619 vars->link_status |=
5620 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5621
5622 /* Check parallel detect used */
5623 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5624 MDIO_WC_REG_PAR_DET_10G_STATUS,
5625 &pd);
5626 if (pd & (1<<15))
5627 vars->link_status |=
5628 LINK_STATUS_PARALLEL_DETECTION_USED;
5629 }
5630 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5631 vars->duplex = duplex;
5632 }
5633 }
5634
5635 if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
5636 SINGLE_MEDIA_DIRECT(params)) {
5637 u16 val;
5638
5639 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5640 MDIO_AN_REG_LP_AUTO_NEG2, &val);
5641
5642 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5643 vars->link_status |=
5644 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5645 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5646 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5647 vars->link_status |=
5648 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5649
5650 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5651 MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
5652
5653 if (val & MDIO_OVER_1G_UP1_2_5G)
5654 vars->link_status |=
5655 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5656 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5657 vars->link_status |=
5658 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5659
5660 }
5661
5662
5663 if (lane < 2) {
5664 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5665 MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
5666 } else {
5667 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5668 MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
5669 }
5670 DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
5671
5672 if ((lane & 1) == 0)
5673 gp_speed <<= 8;
5674 gp_speed &= 0x3f00;
5675
5676
5677 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
5678 duplex);
5679
5680 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5681 vars->duplex, vars->flow_ctrl, vars->link_status);
5682 return rc;
5683 }
5684 static void bnx2x_set_gmii_tx_driver(struct link_params *params)
5685 {
5686 struct bnx2x *bp = params->bp;
5687 struct bnx2x_phy *phy = &params->phy[INT_PHY];
5688 u16 lp_up2;
5689 u16 tx_driver;
5690 u16 bank;
5691
5692 /* Read precomp */
5693 CL22_RD_OVER_CL45(bp, phy,
5694 MDIO_REG_BANK_OVER_1G,
5695 MDIO_OVER_1G_LP_UP2, &lp_up2);
5696
5697 /* Bits [10:7] at lp_up2, positioned at [15:12] */
5698 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
5699 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
5700 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
5701
5702 if (lp_up2 == 0)
5703 return;
5704
5705 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
5706 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
5707 CL22_RD_OVER_CL45(bp, phy,
5708 bank,
5709 MDIO_TX0_TX_DRIVER, &tx_driver);
5710
5711 /* Replace tx_driver bits [15:12] */
5712 if (lp_up2 !=
5713 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
5714 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
5715 tx_driver |= lp_up2;
5716 CL22_WR_OVER_CL45(bp, phy,
5717 bank,
5718 MDIO_TX0_TX_DRIVER, tx_driver);
5719 }
5720 }
5721 }
5722
5723 static int bnx2x_emac_program(struct link_params *params,
5724 struct link_vars *vars)
5725 {
5726 struct bnx2x *bp = params->bp;
5727 u8 port = params->port;
5728 u16 mode = 0;
5729
5730 DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
5731 bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
5732 EMAC_REG_EMAC_MODE,
5733 (EMAC_MODE_25G_MODE |
5734 EMAC_MODE_PORT_MII_10M |
5735 EMAC_MODE_HALF_DUPLEX));
5736 switch (vars->line_speed) {
5737 case SPEED_10:
5738 mode |= EMAC_MODE_PORT_MII_10M;
5739 break;
5740
5741 case SPEED_100:
5742 mode |= EMAC_MODE_PORT_MII;
5743 break;
5744
5745 case SPEED_1000:
5746 mode |= EMAC_MODE_PORT_GMII;
5747 break;
5748
5749 case SPEED_2500:
5750 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
5751 break;
5752
5753 default:
5754 /* 10G not valid for EMAC */
5755 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5756 vars->line_speed);
5757 return -EINVAL;
5758 }
5759
5760 if (vars->duplex == DUPLEX_HALF)
5761 mode |= EMAC_MODE_HALF_DUPLEX;
5762 bnx2x_bits_en(bp,
5763 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
5764 mode);
5765
5766 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
5767 return 0;
5768 }
5769
5770 static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
5771 struct link_params *params)
5772 {
5773
5774 u16 bank, i = 0;
5775 struct bnx2x *bp = params->bp;
5776
5777 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
5778 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
5779 CL22_WR_OVER_CL45(bp, phy,
5780 bank,
5781 MDIO_RX0_RX_EQ_BOOST,
5782 phy->rx_preemphasis[i]);
5783 }
5784
5785 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
5786 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
5787 CL22_WR_OVER_CL45(bp, phy,
5788 bank,
5789 MDIO_TX0_TX_DRIVER,
5790 phy->tx_preemphasis[i]);
5791 }
5792 }
5793
5794 static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
5795 struct link_params *params,
5796 struct link_vars *vars)
5797 {
5798 struct bnx2x *bp = params->bp;
5799 u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
5800 (params->loopback_mode == LOOPBACK_XGXS));
5801 if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
5802 if (SINGLE_MEDIA_DIRECT(params) &&
5803 (params->feature_config_flags &
5804 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
5805 bnx2x_set_preemphasis(phy, params);
5806
5807 /* Forced speed requested? */
5808 if (vars->line_speed != SPEED_AUTO_NEG ||
5809 (SINGLE_MEDIA_DIRECT(params) &&
5810 params->loopback_mode == LOOPBACK_EXT)) {
5811 DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
5812
5813 /* Disable autoneg */
5814 bnx2x_set_autoneg(phy, params, vars, 0);
5815
5816 /* Program speed and duplex */
5817 bnx2x_program_serdes(phy, params, vars);
5818
5819 } else { /* AN_mode */
5820 DP(NETIF_MSG_LINK, "not SGMII, AN\n");
5821
5822 /* AN enabled */
5823 bnx2x_set_brcm_cl37_advertisement(phy, params);
5824
5825 /* Program duplex & pause advertisement (for aneg) */
5826 bnx2x_set_ieee_aneg_advertisement(phy, params,
5827 vars->ieee_fc);
5828
5829 /* Enable autoneg */
5830 bnx2x_set_autoneg(phy, params, vars, enable_cl73);
5831
5832 /* Enable and restart AN */
5833 bnx2x_restart_autoneg(phy, params, enable_cl73);
5834 }
5835
5836 } else { /* SGMII mode */
5837 DP(NETIF_MSG_LINK, "SGMII\n");
5838
5839 bnx2x_initialize_sgmii_process(phy, params, vars);
5840 }
5841 }
5842
5843 static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
5844 struct link_params *params,
5845 struct link_vars *vars)
5846 {
5847 int rc;
5848 vars->phy_flags |= PHY_XGXS_FLAG;
5849 if ((phy->req_line_speed &&
5850 ((phy->req_line_speed == SPEED_100) ||
5851 (phy->req_line_speed == SPEED_10))) ||
5852 (!phy->req_line_speed &&
5853 (phy->speed_cap_mask >=
5854 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
5855 (phy->speed_cap_mask <
5856 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5857 (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
5858 vars->phy_flags |= PHY_SGMII_FLAG;
5859 else
5860 vars->phy_flags &= ~PHY_SGMII_FLAG;
5861
5862 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
5863 bnx2x_set_aer_mmd(params, phy);
5864 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
5865 bnx2x_set_master_ln(params, phy);
5866
5867 rc = bnx2x_reset_unicore(params, phy, 0);
5868 /* Reset the SerDes and wait for reset bit return low */
5869 if (rc)
5870 return rc;
5871
5872 bnx2x_set_aer_mmd(params, phy);
5873 /* Setting the masterLn_def again after the reset */
5874 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
5875 bnx2x_set_master_ln(params, phy);
5876 bnx2x_set_swap_lanes(params, phy);
5877 }
5878
5879 return rc;
5880 }
5881
5882 static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
5883 struct bnx2x_phy *phy,
5884 struct link_params *params)
5885 {
5886 u16 cnt, ctrl;
5887 /* Wait for soft reset to get cleared up to 1 sec */
5888 for (cnt = 0; cnt < 1000; cnt++) {
5889 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
5890 bnx2x_cl22_read(bp, phy,
5891 MDIO_PMA_REG_CTRL, &ctrl);
5892 else
5893 bnx2x_cl45_read(bp, phy,
5894 MDIO_PMA_DEVAD,
5895 MDIO_PMA_REG_CTRL, &ctrl);
5896 if (!(ctrl & (1<<15)))
5897 break;
5898 usleep_range(1000, 2000);
5899 }
5900
5901 if (cnt == 1000)
5902 netdev_err(bp->dev, "Warning: PHY was not initialized,"
5903 " Port %d\n",
5904 params->port);
5905 DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
5906 return cnt;
5907 }
5908
5909 static void bnx2x_link_int_enable(struct link_params *params)
5910 {
5911 u8 port = params->port;
5912 u32 mask;
5913 struct bnx2x *bp = params->bp;
5914
5915 /* Setting the status to report on link up for either XGXS or SerDes */
5916 if (CHIP_IS_E3(bp)) {
5917 mask = NIG_MASK_XGXS0_LINK_STATUS;
5918 if (!(SINGLE_MEDIA_DIRECT(params)))
5919 mask |= NIG_MASK_MI_INT;
5920 } else if (params->switch_cfg == SWITCH_CFG_10G) {
5921 mask = (NIG_MASK_XGXS0_LINK10G |
5922 NIG_MASK_XGXS0_LINK_STATUS);
5923 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
5924 if (!(SINGLE_MEDIA_DIRECT(params)) &&
5925 params->phy[INT_PHY].type !=
5926 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
5927 mask |= NIG_MASK_MI_INT;
5928 DP(NETIF_MSG_LINK, "enabled external phy int\n");
5929 }
5930
5931 } else { /* SerDes */
5932 mask = NIG_MASK_SERDES0_LINK_STATUS;
5933 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
5934 if (!(SINGLE_MEDIA_DIRECT(params)) &&
5935 params->phy[INT_PHY].type !=
5936 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
5937 mask |= NIG_MASK_MI_INT;
5938 DP(NETIF_MSG_LINK, "enabled external phy int\n");
5939 }
5940 }
5941 bnx2x_bits_en(bp,
5942 NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
5943 mask);
5944
5945 DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
5946 (params->switch_cfg == SWITCH_CFG_10G),
5947 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
5948 DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
5949 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
5950 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
5951 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
5952 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
5953 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
5954 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
5955 }
5956
5957 static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
5958 u8 exp_mi_int)
5959 {
5960 u32 latch_status = 0;
5961
5962 /* Disable the MI INT ( external phy int ) by writing 1 to the
5963 * status register. Link down indication is high-active-signal,
5964 * so in this case we need to write the status to clear the XOR
5965 */
5966 /* Read Latched signals */
5967 latch_status = REG_RD(bp,
5968 NIG_REG_LATCH_STATUS_0 + port*8);
5969 DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
5970 /* Handle only those with latched-signal=up.*/
5971 if (exp_mi_int)
5972 bnx2x_bits_en(bp,
5973 NIG_REG_STATUS_INTERRUPT_PORT0
5974 + port*4,
5975 NIG_STATUS_EMAC0_MI_INT);
5976 else
5977 bnx2x_bits_dis(bp,
5978 NIG_REG_STATUS_INTERRUPT_PORT0
5979 + port*4,
5980 NIG_STATUS_EMAC0_MI_INT);
5981
5982 if (latch_status & 1) {
5983
5984 /* For all latched-signal=up : Re-Arm Latch signals */
5985 REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
5986 (latch_status & 0xfffe) | (latch_status & 1));
5987 }
5988 /* For all latched-signal=up,Write original_signal to status */
5989 }
5990
5991 static void bnx2x_link_int_ack(struct link_params *params,
5992 struct link_vars *vars, u8 is_10g_plus)
5993 {
5994 struct bnx2x *bp = params->bp;
5995 u8 port = params->port;
5996 u32 mask;
5997 /* First reset all status we assume only one line will be
5998 * change at a time
5999 */
6000 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6001 (NIG_STATUS_XGXS0_LINK10G |
6002 NIG_STATUS_XGXS0_LINK_STATUS |
6003 NIG_STATUS_SERDES0_LINK_STATUS));
6004 if (vars->phy_link_up) {
6005 if (USES_WARPCORE(bp))
6006 mask = NIG_STATUS_XGXS0_LINK_STATUS;
6007 else {
6008 if (is_10g_plus)
6009 mask = NIG_STATUS_XGXS0_LINK10G;
6010 else if (params->switch_cfg == SWITCH_CFG_10G) {
6011 /* Disable the link interrupt by writing 1 to
6012 * the relevant lane in the status register
6013 */
6014 u32 ser_lane =
6015 ((params->lane_config &
6016 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
6017 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
6018 mask = ((1 << ser_lane) <<
6019 NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
6020 } else
6021 mask = NIG_STATUS_SERDES0_LINK_STATUS;
6022 }
6023 DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
6024 mask);
6025 bnx2x_bits_en(bp,
6026 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6027 mask);
6028 }
6029 }
6030
6031 static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
6032 {
6033 u8 *str_ptr = str;
6034 u32 mask = 0xf0000000;
6035 u8 shift = 8*4;
6036 u8 digit;
6037 u8 remove_leading_zeros = 1;
6038 if (*len < 10) {
6039 /* Need more than 10chars for this format */
6040 *str_ptr = '\0';
6041 (*len)--;
6042 return -EINVAL;
6043 }
6044 while (shift > 0) {
6045
6046 shift -= 4;
6047 digit = ((num & mask) >> shift);
6048 if (digit == 0 && remove_leading_zeros) {
6049 mask = mask >> 4;
6050 continue;
6051 } else if (digit < 0xa)
6052 *str_ptr = digit + '0';
6053 else
6054 *str_ptr = digit - 0xa + 'a';
6055 remove_leading_zeros = 0;
6056 str_ptr++;
6057 (*len)--;
6058 mask = mask >> 4;
6059 if (shift == 4*4) {
6060 *str_ptr = '.';
6061 str_ptr++;
6062 (*len)--;
6063 remove_leading_zeros = 1;
6064 }
6065 }
6066 return 0;
6067 }
6068
6069
6070 static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
6071 {
6072 str[0] = '\0';
6073 (*len)--;
6074 return 0;
6075 }
6076
6077 int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
6078 u16 len)
6079 {
6080 struct bnx2x *bp;
6081 u32 spirom_ver = 0;
6082 int status = 0;
6083 u8 *ver_p = version;
6084 u16 remain_len = len;
6085 if (version == NULL || params == NULL)
6086 return -EINVAL;
6087 bp = params->bp;
6088
6089 /* Extract first external phy*/
6090 version[0] = '\0';
6091 spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
6092
6093 if (params->phy[EXT_PHY1].format_fw_ver) {
6094 status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
6095 ver_p,
6096 &remain_len);
6097 ver_p += (len - remain_len);
6098 }
6099 if ((params->num_phys == MAX_PHYS) &&
6100 (params->phy[EXT_PHY2].ver_addr != 0)) {
6101 spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
6102 if (params->phy[EXT_PHY2].format_fw_ver) {
6103 *ver_p = '/';
6104 ver_p++;
6105 remain_len--;
6106 status |= params->phy[EXT_PHY2].format_fw_ver(
6107 spirom_ver,
6108 ver_p,
6109 &remain_len);
6110 ver_p = version + (len - remain_len);
6111 }
6112 }
6113 *ver_p = '\0';
6114 return status;
6115 }
6116
6117 static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
6118 struct link_params *params)
6119 {
6120 u8 port = params->port;
6121 struct bnx2x *bp = params->bp;
6122
6123 if (phy->req_line_speed != SPEED_1000) {
6124 u32 md_devad = 0;
6125
6126 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
6127
6128 if (!CHIP_IS_E3(bp)) {
6129 /* Change the uni_phy_addr in the nig */
6130 md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
6131 port*0x18));
6132
6133 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6134 0x5);
6135 }
6136
6137 bnx2x_cl45_write(bp, phy,
6138 5,
6139 (MDIO_REG_BANK_AER_BLOCK +
6140 (MDIO_AER_BLOCK_AER_REG & 0xf)),
6141 0x2800);
6142
6143 bnx2x_cl45_write(bp, phy,
6144 5,
6145 (MDIO_REG_BANK_CL73_IEEEB0 +
6146 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
6147 0x6041);
6148 msleep(200);
6149 /* Set aer mmd back */
6150 bnx2x_set_aer_mmd(params, phy);
6151
6152 if (!CHIP_IS_E3(bp)) {
6153 /* And md_devad */
6154 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6155 md_devad);
6156 }
6157 } else {
6158 u16 mii_ctrl;
6159 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
6160 bnx2x_cl45_read(bp, phy, 5,
6161 (MDIO_REG_BANK_COMBO_IEEE0 +
6162 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6163 &mii_ctrl);
6164 bnx2x_cl45_write(bp, phy, 5,
6165 (MDIO_REG_BANK_COMBO_IEEE0 +
6166 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6167 mii_ctrl |
6168 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
6169 }
6170 }
6171
6172 int bnx2x_set_led(struct link_params *params,
6173 struct link_vars *vars, u8 mode, u32 speed)
6174 {
6175 u8 port = params->port;
6176 u16 hw_led_mode = params->hw_led_mode;
6177 int rc = 0;
6178 u8 phy_idx;
6179 u32 tmp;
6180 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6181 struct bnx2x *bp = params->bp;
6182 DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
6183 DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
6184 speed, hw_led_mode);
6185 /* In case */
6186 for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
6187 if (params->phy[phy_idx].set_link_led) {
6188 params->phy[phy_idx].set_link_led(
6189 &params->phy[phy_idx], params, mode);
6190 }
6191 }
6192
6193 switch (mode) {
6194 case LED_MODE_FRONT_PANEL_OFF:
6195 case LED_MODE_OFF:
6196 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
6197 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6198 SHARED_HW_CFG_LED_MAC1);
6199
6200 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6201 if (params->phy[EXT_PHY1].type ==
6202 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6203 tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
6204 EMAC_LED_100MB_OVERRIDE |
6205 EMAC_LED_10MB_OVERRIDE);
6206 else
6207 tmp |= EMAC_LED_OVERRIDE;
6208
6209 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
6210 break;
6211
6212 case LED_MODE_OPER:
6213 /* For all other phys, OPER mode is same as ON, so in case
6214 * link is down, do nothing
6215 */
6216 if (!vars->link_up)
6217 break;
6218 case LED_MODE_ON:
6219 if (((params->phy[EXT_PHY1].type ==
6220 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
6221 (params->phy[EXT_PHY1].type ==
6222 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
6223 CHIP_IS_E2(bp) && params->num_phys == 2) {
6224 /* This is a work-around for E2+8727 Configurations */
6225 if (mode == LED_MODE_ON ||
6226 speed == SPEED_10000){
6227 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6228 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6229
6230 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6231 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6232 (tmp | EMAC_LED_OVERRIDE));
6233 /* Return here without enabling traffic
6234 * LED blink and setting rate in ON mode.
6235 * In oper mode, enabling LED blink
6236 * and setting rate is needed.
6237 */
6238 if (mode == LED_MODE_ON)
6239 return rc;
6240 }
6241 } else if (SINGLE_MEDIA_DIRECT(params)) {
6242 /* This is a work-around for HW issue found when link
6243 * is up in CL73
6244 */
6245 if ((!CHIP_IS_E3(bp)) ||
6246 (CHIP_IS_E3(bp) &&
6247 mode == LED_MODE_ON))
6248 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6249
6250 if (CHIP_IS_E1x(bp) ||
6251 CHIP_IS_E2(bp) ||
6252 (mode == LED_MODE_ON))
6253 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6254 else
6255 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6256 hw_led_mode);
6257 } else if ((params->phy[EXT_PHY1].type ==
6258 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
6259 (mode == LED_MODE_ON)) {
6260 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6261 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6262 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
6263 EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
6264 /* Break here; otherwise, it'll disable the
6265 * intended override.
6266 */
6267 break;
6268 } else
6269 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6270 hw_led_mode);
6271
6272 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
6273 /* Set blinking rate to ~15.9Hz */
6274 if (CHIP_IS_E3(bp))
6275 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6276 LED_BLINK_RATE_VAL_E3);
6277 else
6278 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6279 LED_BLINK_RATE_VAL_E1X_E2);
6280 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
6281 port*4, 1);
6282 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6283 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6284 (tmp & (~EMAC_LED_OVERRIDE)));
6285
6286 if (CHIP_IS_E1(bp) &&
6287 ((speed == SPEED_2500) ||
6288 (speed == SPEED_1000) ||
6289 (speed == SPEED_100) ||
6290 (speed == SPEED_10))) {
6291 /* For speeds less than 10G LED scheme is different */
6292 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
6293 + port*4, 1);
6294 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
6295 port*4, 0);
6296 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
6297 port*4, 1);
6298 }
6299 break;
6300
6301 default:
6302 rc = -EINVAL;
6303 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
6304 mode);
6305 break;
6306 }
6307 return rc;
6308
6309 }
6310
6311 /* This function comes to reflect the actual link state read DIRECTLY from the
6312 * HW
6313 */
6314 int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
6315 u8 is_serdes)
6316 {
6317 struct bnx2x *bp = params->bp;
6318 u16 gp_status = 0, phy_index = 0;
6319 u8 ext_phy_link_up = 0, serdes_phy_type;
6320 struct link_vars temp_vars;
6321 struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
6322
6323 if (CHIP_IS_E3(bp)) {
6324 u16 link_up;
6325 if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
6326 > SPEED_10000) {
6327 /* Check 20G link */
6328 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6329 1, &link_up);
6330 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6331 1, &link_up);
6332 link_up &= (1<<2);
6333 } else {
6334 /* Check 10G link and below*/
6335 u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
6336 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6337 MDIO_WC_REG_GP2_STATUS_GP_2_1,
6338 &gp_status);
6339 gp_status = ((gp_status >> 8) & 0xf) |
6340 ((gp_status >> 12) & 0xf);
6341 link_up = gp_status & (1 << lane);
6342 }
6343 if (!link_up)
6344 return -ESRCH;
6345 } else {
6346 CL22_RD_OVER_CL45(bp, int_phy,
6347 MDIO_REG_BANK_GP_STATUS,
6348 MDIO_GP_STATUS_TOP_AN_STATUS1,
6349 &gp_status);
6350 /* Link is up only if both local phy and external phy are up */
6351 if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
6352 return -ESRCH;
6353 }
6354 /* In XGXS loopback mode, do not check external PHY */
6355 if (params->loopback_mode == LOOPBACK_XGXS)
6356 return 0;
6357
6358 switch (params->num_phys) {
6359 case 1:
6360 /* No external PHY */
6361 return 0;
6362 case 2:
6363 ext_phy_link_up = params->phy[EXT_PHY1].read_status(
6364 &params->phy[EXT_PHY1],
6365 params, &temp_vars);
6366 break;
6367 case 3: /* Dual Media */
6368 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6369 phy_index++) {
6370 serdes_phy_type = ((params->phy[phy_index].media_type ==
6371 ETH_PHY_SFPP_10G_FIBER) ||
6372 (params->phy[phy_index].media_type ==
6373 ETH_PHY_SFP_1G_FIBER) ||
6374 (params->phy[phy_index].media_type ==
6375 ETH_PHY_XFP_FIBER) ||
6376 (params->phy[phy_index].media_type ==
6377 ETH_PHY_DA_TWINAX));
6378
6379 if (is_serdes != serdes_phy_type)
6380 continue;
6381 if (params->phy[phy_index].read_status) {
6382 ext_phy_link_up |=
6383 params->phy[phy_index].read_status(
6384 &params->phy[phy_index],
6385 params, &temp_vars);
6386 }
6387 }
6388 break;
6389 }
6390 if (ext_phy_link_up)
6391 return 0;
6392 return -ESRCH;
6393 }
6394
6395 static int bnx2x_link_initialize(struct link_params *params,
6396 struct link_vars *vars)
6397 {
6398 int rc = 0;
6399 u8 phy_index, non_ext_phy;
6400 struct bnx2x *bp = params->bp;
6401 /* In case of external phy existence, the line speed would be the
6402 * line speed linked up by the external phy. In case it is direct
6403 * only, then the line_speed during initialization will be
6404 * equal to the req_line_speed
6405 */
6406 vars->line_speed = params->phy[INT_PHY].req_line_speed;
6407
6408 /* Initialize the internal phy in case this is a direct board
6409 * (no external phys), or this board has external phy which requires
6410 * to first.
6411 */
6412 if (!USES_WARPCORE(bp))
6413 bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
6414 /* init ext phy and enable link state int */
6415 non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
6416 (params->loopback_mode == LOOPBACK_XGXS));
6417
6418 if (non_ext_phy ||
6419 (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
6420 (params->loopback_mode == LOOPBACK_EXT_PHY)) {
6421 struct bnx2x_phy *phy = &params->phy[INT_PHY];
6422 if (vars->line_speed == SPEED_AUTO_NEG &&
6423 (CHIP_IS_E1x(bp) ||
6424 CHIP_IS_E2(bp)))
6425 bnx2x_set_parallel_detection(phy, params);
6426 if (params->phy[INT_PHY].config_init)
6427 params->phy[INT_PHY].config_init(phy,
6428 params,
6429 vars);
6430 }
6431
6432 /* Init external phy*/
6433 if (non_ext_phy) {
6434 if (params->phy[INT_PHY].supported &
6435 SUPPORTED_FIBRE)
6436 vars->link_status |= LINK_STATUS_SERDES_LINK;
6437 } else {
6438 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6439 phy_index++) {
6440 /* No need to initialize second phy in case of first
6441 * phy only selection. In case of second phy, we do
6442 * need to initialize the first phy, since they are
6443 * connected.
6444 */
6445 if (params->phy[phy_index].supported &
6446 SUPPORTED_FIBRE)
6447 vars->link_status |= LINK_STATUS_SERDES_LINK;
6448
6449 if (phy_index == EXT_PHY2 &&
6450 (bnx2x_phy_selection(params) ==
6451 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
6452 DP(NETIF_MSG_LINK,
6453 "Not initializing second phy\n");
6454 continue;
6455 }
6456 params->phy[phy_index].config_init(
6457 &params->phy[phy_index],
6458 params, vars);
6459 }
6460 }
6461 /* Reset the interrupt indication after phy was initialized */
6462 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
6463 params->port*4,
6464 (NIG_STATUS_XGXS0_LINK10G |
6465 NIG_STATUS_XGXS0_LINK_STATUS |
6466 NIG_STATUS_SERDES0_LINK_STATUS |
6467 NIG_MASK_MI_INT));
6468 return rc;
6469 }
6470
6471 static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
6472 struct link_params *params)
6473 {
6474 /* Reset the SerDes/XGXS */
6475 REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6476 (0x1ff << (params->port*16)));
6477 }
6478
6479 static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
6480 struct link_params *params)
6481 {
6482 struct bnx2x *bp = params->bp;
6483 u8 gpio_port;
6484 /* HW reset */
6485 if (CHIP_IS_E2(bp))
6486 gpio_port = BP_PATH(bp);
6487 else
6488 gpio_port = params->port;
6489 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6490 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6491 gpio_port);
6492 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
6493 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6494 gpio_port);
6495 DP(NETIF_MSG_LINK, "reset external PHY\n");
6496 }
6497
6498 static int bnx2x_update_link_down(struct link_params *params,
6499 struct link_vars *vars)
6500 {
6501 struct bnx2x *bp = params->bp;
6502 u8 port = params->port;
6503
6504 DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
6505 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
6506 vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
6507 /* Indicate no mac active */
6508 vars->mac_type = MAC_TYPE_NONE;
6509
6510 /* Update shared memory */
6511 vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
6512 LINK_STATUS_LINK_UP |
6513 LINK_STATUS_PHYSICAL_LINK_FLAG |
6514 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
6515 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
6516 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
6517 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
6518 LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
6519 LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
6520 vars->line_speed = 0;
6521 bnx2x_update_mng(params, vars->link_status);
6522
6523 /* Activate nig drain */
6524 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6525
6526 /* Disable emac */
6527 if (!CHIP_IS_E3(bp))
6528 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6529
6530 usleep_range(10000, 20000);
6531 /* Reset BigMac/Xmac */
6532 if (CHIP_IS_E1x(bp) ||
6533 CHIP_IS_E2(bp)) {
6534 bnx2x_bmac_rx_disable(bp, params->port);
6535 REG_WR(bp, GRCBASE_MISC +
6536 MISC_REGISTERS_RESET_REG_2_CLEAR,
6537 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
6538 }
6539 if (CHIP_IS_E3(bp)) {
6540 /* Prevent LPI Generation by chip */
6541 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
6542 0);
6543 REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 0);
6544 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
6545 0);
6546 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
6547 SHMEM_EEE_ACTIVE_BIT);
6548
6549 bnx2x_update_mng_eee(params, vars->eee_status);
6550 bnx2x_xmac_disable(params);
6551 bnx2x_umac_disable(params);
6552 }
6553
6554 return 0;
6555 }
6556
6557 static int bnx2x_update_link_up(struct link_params *params,
6558 struct link_vars *vars,
6559 u8 link_10g)
6560 {
6561 struct bnx2x *bp = params->bp;
6562 u8 phy_idx, port = params->port;
6563 int rc = 0;
6564
6565 vars->link_status |= (LINK_STATUS_LINK_UP |
6566 LINK_STATUS_PHYSICAL_LINK_FLAG);
6567 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
6568
6569 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
6570 vars->link_status |=
6571 LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
6572
6573 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
6574 vars->link_status |=
6575 LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
6576 if (USES_WARPCORE(bp)) {
6577 if (link_10g) {
6578 if (bnx2x_xmac_enable(params, vars, 0) ==
6579 -ESRCH) {
6580 DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
6581 vars->link_up = 0;
6582 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6583 vars->link_status &= ~LINK_STATUS_LINK_UP;
6584 }
6585 } else
6586 bnx2x_umac_enable(params, vars, 0);
6587 bnx2x_set_led(params, vars,
6588 LED_MODE_OPER, vars->line_speed);
6589
6590 if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
6591 (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
6592 DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
6593 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
6594 (params->port << 2), 1);
6595 REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
6596 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
6597 (params->port << 2), 0xfc20);
6598 }
6599 }
6600 if ((CHIP_IS_E1x(bp) ||
6601 CHIP_IS_E2(bp))) {
6602 if (link_10g) {
6603 if (bnx2x_bmac_enable(params, vars, 0) ==
6604 -ESRCH) {
6605 DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
6606 vars->link_up = 0;
6607 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6608 vars->link_status &= ~LINK_STATUS_LINK_UP;
6609 }
6610
6611 bnx2x_set_led(params, vars,
6612 LED_MODE_OPER, SPEED_10000);
6613 } else {
6614 rc = bnx2x_emac_program(params, vars);
6615 bnx2x_emac_enable(params, vars, 0);
6616
6617 /* AN complete? */
6618 if ((vars->link_status &
6619 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
6620 && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
6621 SINGLE_MEDIA_DIRECT(params))
6622 bnx2x_set_gmii_tx_driver(params);
6623 }
6624 }
6625
6626 /* PBF - link up */
6627 if (CHIP_IS_E1x(bp))
6628 rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6629 vars->line_speed);
6630
6631 /* Disable drain */
6632 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
6633
6634 /* Update shared memory */
6635 bnx2x_update_mng(params, vars->link_status);
6636 bnx2x_update_mng_eee(params, vars->eee_status);
6637 /* Check remote fault */
6638 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
6639 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
6640 bnx2x_check_half_open_conn(params, vars, 0);
6641 break;
6642 }
6643 }
6644 msleep(20);
6645 return rc;
6646 }
6647 /* The bnx2x_link_update function should be called upon link
6648 * interrupt.
6649 * Link is considered up as follows:
6650 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
6651 * to be up
6652 * - SINGLE_MEDIA - The link between the 577xx and the external
6653 * phy (XGXS) need to up as well as the external link of the
6654 * phy (PHY_EXT1)
6655 * - DUAL_MEDIA - The link between the 577xx and the first
6656 * external phy needs to be up, and at least one of the 2
6657 * external phy link must be up.
6658 */
6659 int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
6660 {
6661 struct bnx2x *bp = params->bp;
6662 struct link_vars phy_vars[MAX_PHYS];
6663 u8 port = params->port;
6664 u8 link_10g_plus, phy_index;
6665 u8 ext_phy_link_up = 0, cur_link_up;
6666 int rc = 0;
6667 u8 is_mi_int = 0;
6668 u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
6669 u8 active_external_phy = INT_PHY;
6670 vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
6671 for (phy_index = INT_PHY; phy_index < params->num_phys;
6672 phy_index++) {
6673 phy_vars[phy_index].flow_ctrl = 0;
6674 phy_vars[phy_index].link_status = 0;
6675 phy_vars[phy_index].line_speed = 0;
6676 phy_vars[phy_index].duplex = DUPLEX_FULL;
6677 phy_vars[phy_index].phy_link_up = 0;
6678 phy_vars[phy_index].link_up = 0;
6679 phy_vars[phy_index].fault_detected = 0;
6680 /* different consideration, since vars holds inner state */
6681 phy_vars[phy_index].eee_status = vars->eee_status;
6682 }
6683
6684 if (USES_WARPCORE(bp))
6685 bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
6686
6687 DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
6688 port, (vars->phy_flags & PHY_XGXS_FLAG),
6689 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6690
6691 is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
6692 port*0x18) > 0);
6693 DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
6694 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6695 is_mi_int,
6696 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
6697
6698 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6699 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6700 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6701
6702 /* Disable emac */
6703 if (!CHIP_IS_E3(bp))
6704 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6705
6706 /* Step 1:
6707 * Check external link change only for external phys, and apply
6708 * priority selection between them in case the link on both phys
6709 * is up. Note that instead of the common vars, a temporary
6710 * vars argument is used since each phy may have different link/
6711 * speed/duplex result
6712 */
6713 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6714 phy_index++) {
6715 struct bnx2x_phy *phy = &params->phy[phy_index];
6716 if (!phy->read_status)
6717 continue;
6718 /* Read link status and params of this ext phy */
6719 cur_link_up = phy->read_status(phy, params,
6720 &phy_vars[phy_index]);
6721 if (cur_link_up) {
6722 DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
6723 phy_index);
6724 } else {
6725 DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
6726 phy_index);
6727 continue;
6728 }
6729
6730 if (!ext_phy_link_up) {
6731 ext_phy_link_up = 1;
6732 active_external_phy = phy_index;
6733 } else {
6734 switch (bnx2x_phy_selection(params)) {
6735 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6736 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
6737 /* In this option, the first PHY makes sure to pass the
6738 * traffic through itself only.
6739 * Its not clear how to reset the link on the second phy
6740 */
6741 active_external_phy = EXT_PHY1;
6742 break;
6743 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
6744 /* In this option, the first PHY makes sure to pass the
6745 * traffic through the second PHY.
6746 */
6747 active_external_phy = EXT_PHY2;
6748 break;
6749 default:
6750 /* Link indication on both PHYs with the following cases
6751 * is invalid:
6752 * - FIRST_PHY means that second phy wasn't initialized,
6753 * hence its link is expected to be down
6754 * - SECOND_PHY means that first phy should not be able
6755 * to link up by itself (using configuration)
6756 * - DEFAULT should be overriden during initialiazation
6757 */
6758 DP(NETIF_MSG_LINK, "Invalid link indication"
6759 "mpc=0x%x. DISABLING LINK !!!\n",
6760 params->multi_phy_config);
6761 ext_phy_link_up = 0;
6762 break;
6763 }
6764 }
6765 }
6766 prev_line_speed = vars->line_speed;
6767 /* Step 2:
6768 * Read the status of the internal phy. In case of
6769 * DIRECT_SINGLE_MEDIA board, this link is the external link,
6770 * otherwise this is the link between the 577xx and the first
6771 * external phy
6772 */
6773 if (params->phy[INT_PHY].read_status)
6774 params->phy[INT_PHY].read_status(
6775 &params->phy[INT_PHY],
6776 params, vars);
6777 /* The INT_PHY flow control reside in the vars. This include the
6778 * case where the speed or flow control are not set to AUTO.
6779 * Otherwise, the active external phy flow control result is set
6780 * to the vars. The ext_phy_line_speed is needed to check if the
6781 * speed is different between the internal phy and external phy.
6782 * This case may be result of intermediate link speed change.
6783 */
6784 if (active_external_phy > INT_PHY) {
6785 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
6786 /* Link speed is taken from the XGXS. AN and FC result from
6787 * the external phy.
6788 */
6789 vars->link_status |= phy_vars[active_external_phy].link_status;
6790
6791 /* if active_external_phy is first PHY and link is up - disable
6792 * disable TX on second external PHY
6793 */
6794 if (active_external_phy == EXT_PHY1) {
6795 if (params->phy[EXT_PHY2].phy_specific_func) {
6796 DP(NETIF_MSG_LINK,
6797 "Disabling TX on EXT_PHY2\n");
6798 params->phy[EXT_PHY2].phy_specific_func(
6799 &params->phy[EXT_PHY2],
6800 params, DISABLE_TX);
6801 }
6802 }
6803
6804 ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
6805 vars->duplex = phy_vars[active_external_phy].duplex;
6806 if (params->phy[active_external_phy].supported &
6807 SUPPORTED_FIBRE)
6808 vars->link_status |= LINK_STATUS_SERDES_LINK;
6809 else
6810 vars->link_status &= ~LINK_STATUS_SERDES_LINK;
6811
6812 vars->eee_status = phy_vars[active_external_phy].eee_status;
6813
6814 DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
6815 active_external_phy);
6816 }
6817
6818 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6819 phy_index++) {
6820 if (params->phy[phy_index].flags &
6821 FLAGS_REARM_LATCH_SIGNAL) {
6822 bnx2x_rearm_latch_signal(bp, port,
6823 phy_index ==
6824 active_external_phy);
6825 break;
6826 }
6827 }
6828 DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
6829 " ext_phy_line_speed = %d\n", vars->flow_ctrl,
6830 vars->link_status, ext_phy_line_speed);
6831 /* Upon link speed change set the NIG into drain mode. Comes to
6832 * deals with possible FIFO glitch due to clk change when speed
6833 * is decreased without link down indicator
6834 */
6835
6836 if (vars->phy_link_up) {
6837 if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
6838 (ext_phy_line_speed != vars->line_speed)) {
6839 DP(NETIF_MSG_LINK, "Internal link speed %d is"
6840 " different than the external"
6841 " link speed %d\n", vars->line_speed,
6842 ext_phy_line_speed);
6843 vars->phy_link_up = 0;
6844 } else if (prev_line_speed != vars->line_speed) {
6845 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
6846 0);
6847 usleep_range(1000, 2000);
6848 }
6849 }
6850
6851 /* Anything 10 and over uses the bmac */
6852 link_10g_plus = (vars->line_speed >= SPEED_10000);
6853
6854 bnx2x_link_int_ack(params, vars, link_10g_plus);
6855
6856 /* In case external phy link is up, and internal link is down
6857 * (not initialized yet probably after link initialization, it
6858 * needs to be initialized.
6859 * Note that after link down-up as result of cable plug, the xgxs
6860 * link would probably become up again without the need
6861 * initialize it
6862 */
6863 if (!(SINGLE_MEDIA_DIRECT(params))) {
6864 DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
6865 " init_preceding = %d\n", ext_phy_link_up,
6866 vars->phy_link_up,
6867 params->phy[EXT_PHY1].flags &
6868 FLAGS_INIT_XGXS_FIRST);
6869 if (!(params->phy[EXT_PHY1].flags &
6870 FLAGS_INIT_XGXS_FIRST)
6871 && ext_phy_link_up && !vars->phy_link_up) {
6872 vars->line_speed = ext_phy_line_speed;
6873 if (vars->line_speed < SPEED_1000)
6874 vars->phy_flags |= PHY_SGMII_FLAG;
6875 else
6876 vars->phy_flags &= ~PHY_SGMII_FLAG;
6877
6878 if (params->phy[INT_PHY].config_init)
6879 params->phy[INT_PHY].config_init(
6880 &params->phy[INT_PHY], params,
6881 vars);
6882 }
6883 }
6884 /* Link is up only if both local phy and external phy (in case of
6885 * non-direct board) are up and no fault detected on active PHY.
6886 */
6887 vars->link_up = (vars->phy_link_up &&
6888 (ext_phy_link_up ||
6889 SINGLE_MEDIA_DIRECT(params)) &&
6890 (phy_vars[active_external_phy].fault_detected == 0));
6891
6892 /* Update the PFC configuration in case it was changed */
6893 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
6894 vars->link_status |= LINK_STATUS_PFC_ENABLED;
6895 else
6896 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
6897
6898 if (vars->link_up)
6899 rc = bnx2x_update_link_up(params, vars, link_10g_plus);
6900 else
6901 rc = bnx2x_update_link_down(params, vars);
6902
6903 /* Update MCP link status was changed */
6904 if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
6905 bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
6906
6907 return rc;
6908 }
6909
6910 /*****************************************************************************/
6911 /* External Phy section */
6912 /*****************************************************************************/
6913 void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
6914 {
6915 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6916 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
6917 usleep_range(1000, 2000);
6918 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6919 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
6920 }
6921
6922 static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
6923 u32 spirom_ver, u32 ver_addr)
6924 {
6925 DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
6926 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
6927
6928 if (ver_addr)
6929 REG_WR(bp, ver_addr, spirom_ver);
6930 }
6931
6932 static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
6933 struct bnx2x_phy *phy,
6934 u8 port)
6935 {
6936 u16 fw_ver1, fw_ver2;
6937
6938 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
6939 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
6940 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
6941 MDIO_PMA_REG_ROM_VER2, &fw_ver2);
6942 bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
6943 phy->ver_addr);
6944 }
6945
6946 static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
6947 struct bnx2x_phy *phy,
6948 struct link_vars *vars)
6949 {
6950 u16 val;
6951 bnx2x_cl45_read(bp, phy,
6952 MDIO_AN_DEVAD,
6953 MDIO_AN_REG_STATUS, &val);
6954 bnx2x_cl45_read(bp, phy,
6955 MDIO_AN_DEVAD,
6956 MDIO_AN_REG_STATUS, &val);
6957 if (val & (1<<5))
6958 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
6959 if ((val & (1<<0)) == 0)
6960 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
6961 }
6962
6963 /******************************************************************/
6964 /* common BCM8073/BCM8727 PHY SECTION */
6965 /******************************************************************/
6966 static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
6967 struct link_params *params,
6968 struct link_vars *vars)
6969 {
6970 struct bnx2x *bp = params->bp;
6971 if (phy->req_line_speed == SPEED_10 ||
6972 phy->req_line_speed == SPEED_100) {
6973 vars->flow_ctrl = phy->req_flow_ctrl;
6974 return;
6975 }
6976
6977 if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
6978 (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
6979 u16 pause_result;
6980 u16 ld_pause; /* local */
6981 u16 lp_pause; /* link partner */
6982 bnx2x_cl45_read(bp, phy,
6983 MDIO_AN_DEVAD,
6984 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
6985
6986 bnx2x_cl45_read(bp, phy,
6987 MDIO_AN_DEVAD,
6988 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
6989 pause_result = (ld_pause &
6990 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
6991 pause_result |= (lp_pause &
6992 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
6993
6994 bnx2x_pause_resolve(vars, pause_result);
6995 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
6996 pause_result);
6997 }
6998 }
6999 static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
7000 struct bnx2x_phy *phy,
7001 u8 port)
7002 {
7003 u32 count = 0;
7004 u16 fw_ver1, fw_msgout;
7005 int rc = 0;
7006
7007 /* Boot port from external ROM */
7008 /* EDC grst */
7009 bnx2x_cl45_write(bp, phy,
7010 MDIO_PMA_DEVAD,
7011 MDIO_PMA_REG_GEN_CTRL,
7012 0x0001);
7013
7014 /* Ucode reboot and rst */
7015 bnx2x_cl45_write(bp, phy,
7016 MDIO_PMA_DEVAD,
7017 MDIO_PMA_REG_GEN_CTRL,
7018 0x008c);
7019
7020 bnx2x_cl45_write(bp, phy,
7021 MDIO_PMA_DEVAD,
7022 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
7023
7024 /* Reset internal microprocessor */
7025 bnx2x_cl45_write(bp, phy,
7026 MDIO_PMA_DEVAD,
7027 MDIO_PMA_REG_GEN_CTRL,
7028 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
7029
7030 /* Release srst bit */
7031 bnx2x_cl45_write(bp, phy,
7032 MDIO_PMA_DEVAD,
7033 MDIO_PMA_REG_GEN_CTRL,
7034 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
7035
7036 /* Delay 100ms per the PHY specifications */
7037 msleep(100);
7038
7039 /* 8073 sometimes taking longer to download */
7040 do {
7041 count++;
7042 if (count > 300) {
7043 DP(NETIF_MSG_LINK,
7044 "bnx2x_8073_8727_external_rom_boot port %x:"
7045 "Download failed. fw version = 0x%x\n",
7046 port, fw_ver1);
7047 rc = -EINVAL;
7048 break;
7049 }
7050
7051 bnx2x_cl45_read(bp, phy,
7052 MDIO_PMA_DEVAD,
7053 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7054 bnx2x_cl45_read(bp, phy,
7055 MDIO_PMA_DEVAD,
7056 MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
7057
7058 usleep_range(1000, 2000);
7059 } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
7060 ((fw_msgout & 0xff) != 0x03 && (phy->type ==
7061 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
7062
7063 /* Clear ser_boot_ctl bit */
7064 bnx2x_cl45_write(bp, phy,
7065 MDIO_PMA_DEVAD,
7066 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
7067 bnx2x_save_bcm_spirom_ver(bp, phy, port);
7068
7069 DP(NETIF_MSG_LINK,
7070 "bnx2x_8073_8727_external_rom_boot port %x:"
7071 "Download complete. fw version = 0x%x\n",
7072 port, fw_ver1);
7073
7074 return rc;
7075 }
7076
7077 /******************************************************************/
7078 /* BCM8073 PHY SECTION */
7079 /******************************************************************/
7080 static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
7081 {
7082 /* This is only required for 8073A1, version 102 only */
7083 u16 val;
7084
7085 /* Read 8073 HW revision*/
7086 bnx2x_cl45_read(bp, phy,
7087 MDIO_PMA_DEVAD,
7088 MDIO_PMA_REG_8073_CHIP_REV, &val);
7089
7090 if (val != 1) {
7091 /* No need to workaround in 8073 A1 */
7092 return 0;
7093 }
7094
7095 bnx2x_cl45_read(bp, phy,
7096 MDIO_PMA_DEVAD,
7097 MDIO_PMA_REG_ROM_VER2, &val);
7098
7099 /* SNR should be applied only for version 0x102 */
7100 if (val != 0x102)
7101 return 0;
7102
7103 return 1;
7104 }
7105
7106 static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
7107 {
7108 u16 val, cnt, cnt1 ;
7109
7110 bnx2x_cl45_read(bp, phy,
7111 MDIO_PMA_DEVAD,
7112 MDIO_PMA_REG_8073_CHIP_REV, &val);
7113
7114 if (val > 0) {
7115 /* No need to workaround in 8073 A1 */
7116 return 0;
7117 }
7118 /* XAUI workaround in 8073 A0: */
7119
7120 /* After loading the boot ROM and restarting Autoneg, poll
7121 * Dev1, Reg $C820:
7122 */
7123
7124 for (cnt = 0; cnt < 1000; cnt++) {
7125 bnx2x_cl45_read(bp, phy,
7126 MDIO_PMA_DEVAD,
7127 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7128 &val);
7129 /* If bit [14] = 0 or bit [13] = 0, continue on with
7130 * system initialization (XAUI work-around not required, as
7131 * these bits indicate 2.5G or 1G link up).
7132 */
7133 if (!(val & (1<<14)) || !(val & (1<<13))) {
7134 DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
7135 return 0;
7136 } else if (!(val & (1<<15))) {
7137 DP(NETIF_MSG_LINK, "bit 15 went off\n");
7138 /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
7139 * MSB (bit15) goes to 1 (indicating that the XAUI
7140 * workaround has completed), then continue on with
7141 * system initialization.
7142 */
7143 for (cnt1 = 0; cnt1 < 1000; cnt1++) {
7144 bnx2x_cl45_read(bp, phy,
7145 MDIO_PMA_DEVAD,
7146 MDIO_PMA_REG_8073_XAUI_WA, &val);
7147 if (val & (1<<15)) {
7148 DP(NETIF_MSG_LINK,
7149 "XAUI workaround has completed\n");
7150 return 0;
7151 }
7152 usleep_range(3000, 6000);
7153 }
7154 break;
7155 }
7156 usleep_range(3000, 6000);
7157 }
7158 DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
7159 return -EINVAL;
7160 }
7161
7162 static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
7163 {
7164 /* Force KR or KX */
7165 bnx2x_cl45_write(bp, phy,
7166 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
7167 bnx2x_cl45_write(bp, phy,
7168 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
7169 bnx2x_cl45_write(bp, phy,
7170 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
7171 bnx2x_cl45_write(bp, phy,
7172 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
7173 }
7174
7175 static void bnx2x_8073_set_pause_cl37(struct link_params *params,
7176 struct bnx2x_phy *phy,
7177 struct link_vars *vars)
7178 {
7179 u16 cl37_val;
7180 struct bnx2x *bp = params->bp;
7181 bnx2x_cl45_read(bp, phy,
7182 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
7183
7184 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7185 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
7186 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
7187 if ((vars->ieee_fc &
7188 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
7189 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
7190 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
7191 }
7192 if ((vars->ieee_fc &
7193 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
7194 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
7195 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
7196 }
7197 if ((vars->ieee_fc &
7198 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
7199 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
7200 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7201 }
7202 DP(NETIF_MSG_LINK,
7203 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
7204
7205 bnx2x_cl45_write(bp, phy,
7206 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
7207 msleep(500);
7208 }
7209
7210 static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
7211 struct link_params *params,
7212 struct link_vars *vars)
7213 {
7214 struct bnx2x *bp = params->bp;
7215 u16 val = 0, tmp1;
7216 u8 gpio_port;
7217 DP(NETIF_MSG_LINK, "Init 8073\n");
7218
7219 if (CHIP_IS_E2(bp))
7220 gpio_port = BP_PATH(bp);
7221 else
7222 gpio_port = params->port;
7223 /* Restore normal power mode*/
7224 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7225 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7226
7227 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7228 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7229
7230 /* Enable LASI */
7231 bnx2x_cl45_write(bp, phy,
7232 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
7233 bnx2x_cl45_write(bp, phy,
7234 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
7235
7236 bnx2x_8073_set_pause_cl37(params, phy, vars);
7237
7238 bnx2x_cl45_read(bp, phy,
7239 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
7240
7241 bnx2x_cl45_read(bp, phy,
7242 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
7243
7244 DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
7245
7246 /* Swap polarity if required - Must be done only in non-1G mode */
7247 if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7248 /* Configure the 8073 to swap _P and _N of the KR lines */
7249 DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
7250 /* 10G Rx/Tx and 1G Tx signal polarity swap */
7251 bnx2x_cl45_read(bp, phy,
7252 MDIO_PMA_DEVAD,
7253 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
7254 bnx2x_cl45_write(bp, phy,
7255 MDIO_PMA_DEVAD,
7256 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
7257 (val | (3<<9)));
7258 }
7259
7260
7261 /* Enable CL37 BAM */
7262 if (REG_RD(bp, params->shmem_base +
7263 offsetof(struct shmem_region, dev_info.
7264 port_hw_config[params->port].default_cfg)) &
7265 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
7266
7267 bnx2x_cl45_read(bp, phy,
7268 MDIO_AN_DEVAD,
7269 MDIO_AN_REG_8073_BAM, &val);
7270 bnx2x_cl45_write(bp, phy,
7271 MDIO_AN_DEVAD,
7272 MDIO_AN_REG_8073_BAM, val | 1);
7273 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
7274 }
7275 if (params->loopback_mode == LOOPBACK_EXT) {
7276 bnx2x_807x_force_10G(bp, phy);
7277 DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
7278 return 0;
7279 } else {
7280 bnx2x_cl45_write(bp, phy,
7281 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
7282 }
7283 if (phy->req_line_speed != SPEED_AUTO_NEG) {
7284 if (phy->req_line_speed == SPEED_10000) {
7285 val = (1<<7);
7286 } else if (phy->req_line_speed == SPEED_2500) {
7287 val = (1<<5);
7288 /* Note that 2.5G works only when used with 1G
7289 * advertisement
7290 */
7291 } else
7292 val = (1<<5);
7293 } else {
7294 val = 0;
7295 if (phy->speed_cap_mask &
7296 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
7297 val |= (1<<7);
7298
7299 /* Note that 2.5G works only when used with 1G advertisement */
7300 if (phy->speed_cap_mask &
7301 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
7302 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7303 val |= (1<<5);
7304 DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
7305 }
7306
7307 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
7308 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
7309
7310 if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
7311 (phy->req_line_speed == SPEED_AUTO_NEG)) ||
7312 (phy->req_line_speed == SPEED_2500)) {
7313 u16 phy_ver;
7314 /* Allow 2.5G for A1 and above */
7315 bnx2x_cl45_read(bp, phy,
7316 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
7317 &phy_ver);
7318 DP(NETIF_MSG_LINK, "Add 2.5G\n");
7319 if (phy_ver > 0)
7320 tmp1 |= 1;
7321 else
7322 tmp1 &= 0xfffe;
7323 } else {
7324 DP(NETIF_MSG_LINK, "Disable 2.5G\n");
7325 tmp1 &= 0xfffe;
7326 }
7327
7328 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
7329 /* Add support for CL37 (passive mode) II */
7330
7331 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
7332 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
7333 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
7334 0x20 : 0x40)));
7335
7336 /* Add support for CL37 (passive mode) III */
7337 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
7338
7339 /* The SNR will improve about 2db by changing BW and FEE main
7340 * tap. Rest commands are executed after link is up
7341 * Change FFE main cursor to 5 in EDC register
7342 */
7343 if (bnx2x_8073_is_snr_needed(bp, phy))
7344 bnx2x_cl45_write(bp, phy,
7345 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
7346 0xFB0C);
7347
7348 /* Enable FEC (Forware Error Correction) Request in the AN */
7349 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
7350 tmp1 |= (1<<15);
7351 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
7352
7353 bnx2x_ext_phy_set_pause(params, phy, vars);
7354
7355 /* Restart autoneg */
7356 msleep(500);
7357 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
7358 DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
7359 ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
7360 return 0;
7361 }
7362
7363 static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
7364 struct link_params *params,
7365 struct link_vars *vars)
7366 {
7367 struct bnx2x *bp = params->bp;
7368 u8 link_up = 0;
7369 u16 val1, val2;
7370 u16 link_status = 0;
7371 u16 an1000_status = 0;
7372
7373 bnx2x_cl45_read(bp, phy,
7374 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
7375
7376 DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
7377
7378 /* Clear the interrupt LASI status register */
7379 bnx2x_cl45_read(bp, phy,
7380 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7381 bnx2x_cl45_read(bp, phy,
7382 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
7383 DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
7384 /* Clear MSG-OUT */
7385 bnx2x_cl45_read(bp, phy,
7386 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
7387
7388 /* Check the LASI */
7389 bnx2x_cl45_read(bp, phy,
7390 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
7391
7392 DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
7393
7394 /* Check the link status */
7395 bnx2x_cl45_read(bp, phy,
7396 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7397 DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
7398
7399 bnx2x_cl45_read(bp, phy,
7400 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7401 bnx2x_cl45_read(bp, phy,
7402 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7403 link_up = ((val1 & 4) == 4);
7404 DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
7405
7406 if (link_up &&
7407 ((phy->req_line_speed != SPEED_10000))) {
7408 if (bnx2x_8073_xaui_wa(bp, phy) != 0)
7409 return 0;
7410 }
7411 bnx2x_cl45_read(bp, phy,
7412 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7413 bnx2x_cl45_read(bp, phy,
7414 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7415
7416 /* Check the link status on 1.1.2 */
7417 bnx2x_cl45_read(bp, phy,
7418 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7419 bnx2x_cl45_read(bp, phy,
7420 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7421 DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
7422 "an_link_status=0x%x\n", val2, val1, an1000_status);
7423
7424 link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
7425 if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
7426 /* The SNR will improve about 2dbby changing the BW and FEE main
7427 * tap. The 1st write to change FFE main tap is set before
7428 * restart AN. Change PLL Bandwidth in EDC register
7429 */
7430 bnx2x_cl45_write(bp, phy,
7431 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
7432 0x26BC);
7433
7434 /* Change CDR Bandwidth in EDC register */
7435 bnx2x_cl45_write(bp, phy,
7436 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
7437 0x0333);
7438 }
7439 bnx2x_cl45_read(bp, phy,
7440 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7441 &link_status);
7442
7443 /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
7444 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
7445 link_up = 1;
7446 vars->line_speed = SPEED_10000;
7447 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
7448 params->port);
7449 } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
7450 link_up = 1;
7451 vars->line_speed = SPEED_2500;
7452 DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
7453 params->port);
7454 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
7455 link_up = 1;
7456 vars->line_speed = SPEED_1000;
7457 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
7458 params->port);
7459 } else {
7460 link_up = 0;
7461 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
7462 params->port);
7463 }
7464
7465 if (link_up) {
7466 /* Swap polarity if required */
7467 if (params->lane_config &
7468 PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7469 /* Configure the 8073 to swap P and N of the KR lines */
7470 bnx2x_cl45_read(bp, phy,
7471 MDIO_XS_DEVAD,
7472 MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
7473 /* Set bit 3 to invert Rx in 1G mode and clear this bit
7474 * when it`s in 10G mode.
7475 */
7476 if (vars->line_speed == SPEED_1000) {
7477 DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
7478 "the 8073\n");
7479 val1 |= (1<<3);
7480 } else
7481 val1 &= ~(1<<3);
7482
7483 bnx2x_cl45_write(bp, phy,
7484 MDIO_XS_DEVAD,
7485 MDIO_XS_REG_8073_RX_CTRL_PCIE,
7486 val1);
7487 }
7488 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7489 bnx2x_8073_resolve_fc(phy, params, vars);
7490 vars->duplex = DUPLEX_FULL;
7491 }
7492
7493 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
7494 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
7495 MDIO_AN_REG_LP_AUTO_NEG2, &val1);
7496
7497 if (val1 & (1<<5))
7498 vars->link_status |=
7499 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
7500 if (val1 & (1<<7))
7501 vars->link_status |=
7502 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
7503 }
7504
7505 return link_up;
7506 }
7507
7508 static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
7509 struct link_params *params)
7510 {
7511 struct bnx2x *bp = params->bp;
7512 u8 gpio_port;
7513 if (CHIP_IS_E2(bp))
7514 gpio_port = BP_PATH(bp);
7515 else
7516 gpio_port = params->port;
7517 DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
7518 gpio_port);
7519 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7520 MISC_REGISTERS_GPIO_OUTPUT_LOW,
7521 gpio_port);
7522 }
7523
7524 /******************************************************************/
7525 /* BCM8705 PHY SECTION */
7526 /******************************************************************/
7527 static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
7528 struct link_params *params,
7529 struct link_vars *vars)
7530 {
7531 struct bnx2x *bp = params->bp;
7532 DP(NETIF_MSG_LINK, "init 8705\n");
7533 /* Restore normal power mode*/
7534 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7535 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
7536 /* HW reset */
7537 bnx2x_ext_phy_hw_reset(bp, params->port);
7538 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
7539 bnx2x_wait_reset_complete(bp, phy, params);
7540
7541 bnx2x_cl45_write(bp, phy,
7542 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
7543 bnx2x_cl45_write(bp, phy,
7544 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
7545 bnx2x_cl45_write(bp, phy,
7546 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
7547 bnx2x_cl45_write(bp, phy,
7548 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
7549 /* BCM8705 doesn't have microcode, hence the 0 */
7550 bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
7551 return 0;
7552 }
7553
7554 static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
7555 struct link_params *params,
7556 struct link_vars *vars)
7557 {
7558 u8 link_up = 0;
7559 u16 val1, rx_sd;
7560 struct bnx2x *bp = params->bp;
7561 DP(NETIF_MSG_LINK, "read status 8705\n");
7562 bnx2x_cl45_read(bp, phy,
7563 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7564 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7565
7566 bnx2x_cl45_read(bp, phy,
7567 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7568 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7569
7570 bnx2x_cl45_read(bp, phy,
7571 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7572
7573 bnx2x_cl45_read(bp, phy,
7574 MDIO_PMA_DEVAD, 0xc809, &val1);
7575 bnx2x_cl45_read(bp, phy,
7576 MDIO_PMA_DEVAD, 0xc809, &val1);
7577
7578 DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
7579 link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
7580 if (link_up) {
7581 vars->line_speed = SPEED_10000;
7582 bnx2x_ext_phy_resolve_fc(phy, params, vars);
7583 }
7584 return link_up;
7585 }
7586
7587 /******************************************************************/
7588 /* SFP+ module Section */
7589 /******************************************************************/
7590 static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
7591 struct bnx2x_phy *phy,
7592 u8 pmd_dis)
7593 {
7594 struct bnx2x *bp = params->bp;
7595 /* Disable transmitter only for bootcodes which can enable it afterwards
7596 * (for D3 link)
7597 */
7598 if (pmd_dis) {
7599 if (params->feature_config_flags &
7600 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
7601 DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
7602 else {
7603 DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
7604 return;
7605 }
7606 } else
7607 DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
7608 bnx2x_cl45_write(bp, phy,
7609 MDIO_PMA_DEVAD,
7610 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
7611 }
7612
7613 static u8 bnx2x_get_gpio_port(struct link_params *params)
7614 {
7615 u8 gpio_port;
7616 u32 swap_val, swap_override;
7617 struct bnx2x *bp = params->bp;
7618 if (CHIP_IS_E2(bp))
7619 gpio_port = BP_PATH(bp);
7620 else
7621 gpio_port = params->port;
7622 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7623 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7624 return gpio_port ^ (swap_val && swap_override);
7625 }
7626
7627 static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
7628 struct bnx2x_phy *phy,
7629 u8 tx_en)
7630 {
7631 u16 val;
7632 u8 port = params->port;
7633 struct bnx2x *bp = params->bp;
7634 u32 tx_en_mode;
7635
7636 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
7637 tx_en_mode = REG_RD(bp, params->shmem_base +
7638 offsetof(struct shmem_region,
7639 dev_info.port_hw_config[port].sfp_ctrl)) &
7640 PORT_HW_CFG_TX_LASER_MASK;
7641 DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
7642 "mode = %x\n", tx_en, port, tx_en_mode);
7643 switch (tx_en_mode) {
7644 case PORT_HW_CFG_TX_LASER_MDIO:
7645
7646 bnx2x_cl45_read(bp, phy,
7647 MDIO_PMA_DEVAD,
7648 MDIO_PMA_REG_PHY_IDENTIFIER,
7649 &val);
7650
7651 if (tx_en)
7652 val &= ~(1<<15);
7653 else
7654 val |= (1<<15);
7655
7656 bnx2x_cl45_write(bp, phy,
7657 MDIO_PMA_DEVAD,
7658 MDIO_PMA_REG_PHY_IDENTIFIER,
7659 val);
7660 break;
7661 case PORT_HW_CFG_TX_LASER_GPIO0:
7662 case PORT_HW_CFG_TX_LASER_GPIO1:
7663 case PORT_HW_CFG_TX_LASER_GPIO2:
7664 case PORT_HW_CFG_TX_LASER_GPIO3:
7665 {
7666 u16 gpio_pin;
7667 u8 gpio_port, gpio_mode;
7668 if (tx_en)
7669 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
7670 else
7671 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
7672
7673 gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
7674 gpio_port = bnx2x_get_gpio_port(params);
7675 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7676 break;
7677 }
7678 default:
7679 DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
7680 break;
7681 }
7682 }
7683
7684 static void bnx2x_sfp_set_transmitter(struct link_params *params,
7685 struct bnx2x_phy *phy,
7686 u8 tx_en)
7687 {
7688 struct bnx2x *bp = params->bp;
7689 DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
7690 if (CHIP_IS_E3(bp))
7691 bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
7692 else
7693 bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
7694 }
7695
7696 static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7697 struct link_params *params,
7698 u16 addr, u8 byte_cnt, u8 *o_buf)
7699 {
7700 struct bnx2x *bp = params->bp;
7701 u16 val = 0;
7702 u16 i;
7703 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7704 DP(NETIF_MSG_LINK,
7705 "Reading from eeprom is limited to 0xf\n");
7706 return -EINVAL;
7707 }
7708 /* Set the read command byte count */
7709 bnx2x_cl45_write(bp, phy,
7710 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7711 (byte_cnt | 0xa000));
7712
7713 /* Set the read command address */
7714 bnx2x_cl45_write(bp, phy,
7715 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7716 addr);
7717
7718 /* Activate read command */
7719 bnx2x_cl45_write(bp, phy,
7720 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7721 0x2c0f);
7722
7723 /* Wait up to 500us for command complete status */
7724 for (i = 0; i < 100; i++) {
7725 bnx2x_cl45_read(bp, phy,
7726 MDIO_PMA_DEVAD,
7727 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7728 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7729 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7730 break;
7731 udelay(5);
7732 }
7733
7734 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7735 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7736 DP(NETIF_MSG_LINK,
7737 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7738 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7739 return -EINVAL;
7740 }
7741
7742 /* Read the buffer */
7743 for (i = 0; i < byte_cnt; i++) {
7744 bnx2x_cl45_read(bp, phy,
7745 MDIO_PMA_DEVAD,
7746 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
7747 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7748 }
7749
7750 for (i = 0; i < 100; i++) {
7751 bnx2x_cl45_read(bp, phy,
7752 MDIO_PMA_DEVAD,
7753 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7754 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7755 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7756 return 0;
7757 usleep_range(1000, 2000);
7758 }
7759 return -EINVAL;
7760 }
7761
7762 static void bnx2x_warpcore_power_module(struct link_params *params,
7763 struct bnx2x_phy *phy,
7764 u8 power)
7765 {
7766 u32 pin_cfg;
7767 struct bnx2x *bp = params->bp;
7768
7769 pin_cfg = (REG_RD(bp, params->shmem_base +
7770 offsetof(struct shmem_region,
7771 dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
7772 PORT_HW_CFG_E3_PWR_DIS_MASK) >>
7773 PORT_HW_CFG_E3_PWR_DIS_SHIFT;
7774
7775 if (pin_cfg == PIN_CFG_NA)
7776 return;
7777 DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
7778 power, pin_cfg);
7779 /* Low ==> corresponding SFP+ module is powered
7780 * high ==> the SFP+ module is powered down
7781 */
7782 bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
7783 }
7784 static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7785 struct link_params *params,
7786 u16 addr, u8 byte_cnt,
7787 u8 *o_buf)
7788 {
7789 int rc = 0;
7790 u8 i, j = 0, cnt = 0;
7791 u32 data_array[4];
7792 u16 addr32;
7793 struct bnx2x *bp = params->bp;
7794
7795 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7796 DP(NETIF_MSG_LINK,
7797 "Reading from eeprom is limited to 16 bytes\n");
7798 return -EINVAL;
7799 }
7800
7801 /* 4 byte aligned address */
7802 addr32 = addr & (~0x3);
7803 do {
7804 if (cnt == I2C_WA_PWR_ITER) {
7805 bnx2x_warpcore_power_module(params, phy, 0);
7806 /* Note that 100us are not enough here */
7807 usleep_range(1000,1000);
7808 bnx2x_warpcore_power_module(params, phy, 1);
7809 }
7810 rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
7811 data_array);
7812 } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
7813
7814 if (rc == 0) {
7815 for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
7816 o_buf[j] = *((u8 *)data_array + i);
7817 j++;
7818 }
7819 }
7820
7821 return rc;
7822 }
7823
7824 static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7825 struct link_params *params,
7826 u16 addr, u8 byte_cnt, u8 *o_buf)
7827 {
7828 struct bnx2x *bp = params->bp;
7829 u16 val, i;
7830
7831 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7832 DP(NETIF_MSG_LINK,
7833 "Reading from eeprom is limited to 0xf\n");
7834 return -EINVAL;
7835 }
7836
7837 /* Need to read from 1.8000 to clear it */
7838 bnx2x_cl45_read(bp, phy,
7839 MDIO_PMA_DEVAD,
7840 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7841 &val);
7842
7843 /* Set the read command byte count */
7844 bnx2x_cl45_write(bp, phy,
7845 MDIO_PMA_DEVAD,
7846 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7847 ((byte_cnt < 2) ? 2 : byte_cnt));
7848
7849 /* Set the read command address */
7850 bnx2x_cl45_write(bp, phy,
7851 MDIO_PMA_DEVAD,
7852 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7853 addr);
7854 /* Set the destination address */
7855 bnx2x_cl45_write(bp, phy,
7856 MDIO_PMA_DEVAD,
7857 0x8004,
7858 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
7859
7860 /* Activate read command */
7861 bnx2x_cl45_write(bp, phy,
7862 MDIO_PMA_DEVAD,
7863 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7864 0x8002);
7865 /* Wait appropriate time for two-wire command to finish before
7866 * polling the status register
7867 */
7868 usleep_range(1000, 2000);
7869
7870 /* Wait up to 500us for command complete status */
7871 for (i = 0; i < 100; i++) {
7872 bnx2x_cl45_read(bp, phy,
7873 MDIO_PMA_DEVAD,
7874 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7875 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7876 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7877 break;
7878 udelay(5);
7879 }
7880
7881 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7882 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7883 DP(NETIF_MSG_LINK,
7884 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7885 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7886 return -EFAULT;
7887 }
7888
7889 /* Read the buffer */
7890 for (i = 0; i < byte_cnt; i++) {
7891 bnx2x_cl45_read(bp, phy,
7892 MDIO_PMA_DEVAD,
7893 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
7894 o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
7895 }
7896
7897 for (i = 0; i < 100; i++) {
7898 bnx2x_cl45_read(bp, phy,
7899 MDIO_PMA_DEVAD,
7900 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7901 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7902 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7903 return 0;
7904 usleep_range(1000, 2000);
7905 }
7906
7907 return -EINVAL;
7908 }
7909
7910 int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7911 struct link_params *params, u16 addr,
7912 u8 byte_cnt, u8 *o_buf)
7913 {
7914 int rc = -EOPNOTSUPP;
7915 switch (phy->type) {
7916 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
7917 rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
7918 byte_cnt, o_buf);
7919 break;
7920 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
7921 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
7922 rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
7923 byte_cnt, o_buf);
7924 break;
7925 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7926 rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
7927 byte_cnt, o_buf);
7928 break;
7929 }
7930 return rc;
7931 }
7932
7933 static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
7934 struct link_params *params,
7935 u16 *edc_mode)
7936 {
7937 struct bnx2x *bp = params->bp;
7938 u32 sync_offset = 0, phy_idx, media_types;
7939 u8 val[2], check_limiting_mode = 0;
7940 *edc_mode = EDC_MODE_LIMITING;
7941
7942 phy->media_type = ETH_PHY_UNSPECIFIED;
7943 /* First check for copper cable */
7944 if (bnx2x_read_sfp_module_eeprom(phy,
7945 params,
7946 SFP_EEPROM_CON_TYPE_ADDR,
7947 2,
7948 (u8 *)val) != 0) {
7949 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
7950 return -EINVAL;
7951 }
7952
7953 switch (val[0]) {
7954 case SFP_EEPROM_CON_TYPE_VAL_COPPER:
7955 {
7956 u8 copper_module_type;
7957 phy->media_type = ETH_PHY_DA_TWINAX;
7958 /* Check if its active cable (includes SFP+ module)
7959 * of passive cable
7960 */
7961 if (bnx2x_read_sfp_module_eeprom(phy,
7962 params,
7963 SFP_EEPROM_FC_TX_TECH_ADDR,
7964 1,
7965 &copper_module_type) != 0) {
7966 DP(NETIF_MSG_LINK,
7967 "Failed to read copper-cable-type"
7968 " from SFP+ EEPROM\n");
7969 return -EINVAL;
7970 }
7971
7972 if (copper_module_type &
7973 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
7974 DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
7975 check_limiting_mode = 1;
7976 } else if (copper_module_type &
7977 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
7978 DP(NETIF_MSG_LINK,
7979 "Passive Copper cable detected\n");
7980 *edc_mode =
7981 EDC_MODE_PASSIVE_DAC;
7982 } else {
7983 DP(NETIF_MSG_LINK,
7984 "Unknown copper-cable-type 0x%x !!!\n",
7985 copper_module_type);
7986 return -EINVAL;
7987 }
7988 break;
7989 }
7990 case SFP_EEPROM_CON_TYPE_VAL_LC:
7991 check_limiting_mode = 1;
7992 if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
7993 SFP_EEPROM_COMP_CODE_LR_MASK |
7994 SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
7995 DP(NETIF_MSG_LINK, "1G Optic module detected\n");
7996 phy->media_type = ETH_PHY_SFP_1G_FIBER;
7997 phy->req_line_speed = SPEED_1000;
7998 } else {
7999 int idx, cfg_idx = 0;
8000 DP(NETIF_MSG_LINK, "10G Optic module detected\n");
8001 for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
8002 if (params->phy[idx].type == phy->type) {
8003 cfg_idx = LINK_CONFIG_IDX(idx);
8004 break;
8005 }
8006 }
8007 phy->media_type = ETH_PHY_SFPP_10G_FIBER;
8008 phy->req_line_speed = params->req_line_speed[cfg_idx];
8009 }
8010 break;
8011 default:
8012 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
8013 val[0]);
8014 return -EINVAL;
8015 }
8016 sync_offset = params->shmem_base +
8017 offsetof(struct shmem_region,
8018 dev_info.port_hw_config[params->port].media_type);
8019 media_types = REG_RD(bp, sync_offset);
8020 /* Update media type for non-PMF sync */
8021 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
8022 if (&(params->phy[phy_idx]) == phy) {
8023 media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
8024 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8025 media_types |= ((phy->media_type &
8026 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
8027 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8028 break;
8029 }
8030 }
8031 REG_WR(bp, sync_offset, media_types);
8032 if (check_limiting_mode) {
8033 u8 options[SFP_EEPROM_OPTIONS_SIZE];
8034 if (bnx2x_read_sfp_module_eeprom(phy,
8035 params,
8036 SFP_EEPROM_OPTIONS_ADDR,
8037 SFP_EEPROM_OPTIONS_SIZE,
8038 options) != 0) {
8039 DP(NETIF_MSG_LINK,
8040 "Failed to read Option field from module EEPROM\n");
8041 return -EINVAL;
8042 }
8043 if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
8044 *edc_mode = EDC_MODE_LINEAR;
8045 else
8046 *edc_mode = EDC_MODE_LIMITING;
8047 }
8048 DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
8049 return 0;
8050 }
8051 /* This function read the relevant field from the module (SFP+), and verify it
8052 * is compliant with this board
8053 */
8054 static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
8055 struct link_params *params)
8056 {
8057 struct bnx2x *bp = params->bp;
8058 u32 val, cmd;
8059 u32 fw_resp, fw_cmd_param;
8060 char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
8061 char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
8062 phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
8063 val = REG_RD(bp, params->shmem_base +
8064 offsetof(struct shmem_region, dev_info.
8065 port_feature_config[params->port].config));
8066 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8067 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
8068 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
8069 return 0;
8070 }
8071
8072 if (params->feature_config_flags &
8073 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
8074 /* Use specific phy request */
8075 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
8076 } else if (params->feature_config_flags &
8077 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
8078 /* Use first phy request only in case of non-dual media*/
8079 if (DUAL_MEDIA(params)) {
8080 DP(NETIF_MSG_LINK,
8081 "FW does not support OPT MDL verification\n");
8082 return -EINVAL;
8083 }
8084 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
8085 } else {
8086 /* No support in OPT MDL detection */
8087 DP(NETIF_MSG_LINK,
8088 "FW does not support OPT MDL verification\n");
8089 return -EINVAL;
8090 }
8091
8092 fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
8093 fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
8094 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
8095 DP(NETIF_MSG_LINK, "Approved module\n");
8096 return 0;
8097 }
8098
8099 /* Format the warning message */
8100 if (bnx2x_read_sfp_module_eeprom(phy,
8101 params,
8102 SFP_EEPROM_VENDOR_NAME_ADDR,
8103 SFP_EEPROM_VENDOR_NAME_SIZE,
8104 (u8 *)vendor_name))
8105 vendor_name[0] = '\0';
8106 else
8107 vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
8108 if (bnx2x_read_sfp_module_eeprom(phy,
8109 params,
8110 SFP_EEPROM_PART_NO_ADDR,
8111 SFP_EEPROM_PART_NO_SIZE,
8112 (u8 *)vendor_pn))
8113 vendor_pn[0] = '\0';
8114 else
8115 vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
8116
8117 netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
8118 " Port %d from %s part number %s\n",
8119 params->port, vendor_name, vendor_pn);
8120 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8121 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
8122 phy->flags |= FLAGS_SFP_NOT_APPROVED;
8123 return -EINVAL;
8124 }
8125
8126 static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
8127 struct link_params *params)
8128
8129 {
8130 u8 val;
8131 struct bnx2x *bp = params->bp;
8132 u16 timeout;
8133 /* Initialization time after hot-plug may take up to 300ms for
8134 * some phys type ( e.g. JDSU )
8135 */
8136
8137 for (timeout = 0; timeout < 60; timeout++) {
8138 if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
8139 == 0) {
8140 DP(NETIF_MSG_LINK,
8141 "SFP+ module initialization took %d ms\n",
8142 timeout * 5);
8143 return 0;
8144 }
8145 usleep_range(5000, 10000);
8146 }
8147 return -EINVAL;
8148 }
8149
8150 static void bnx2x_8727_power_module(struct bnx2x *bp,
8151 struct bnx2x_phy *phy,
8152 u8 is_power_up) {
8153 /* Make sure GPIOs are not using for LED mode */
8154 u16 val;
8155 /* In the GPIO register, bit 4 is use to determine if the GPIOs are
8156 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
8157 * output
8158 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
8159 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
8160 * where the 1st bit is the over-current(only input), and 2nd bit is
8161 * for power( only output )
8162 *
8163 * In case of NOC feature is disabled and power is up, set GPIO control
8164 * as input to enable listening of over-current indication
8165 */
8166 if (phy->flags & FLAGS_NOC)
8167 return;
8168 if (is_power_up)
8169 val = (1<<4);
8170 else
8171 /* Set GPIO control to OUTPUT, and set the power bit
8172 * to according to the is_power_up
8173 */
8174 val = (1<<1);
8175
8176 bnx2x_cl45_write(bp, phy,
8177 MDIO_PMA_DEVAD,
8178 MDIO_PMA_REG_8727_GPIO_CTRL,
8179 val);
8180 }
8181
8182 static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
8183 struct bnx2x_phy *phy,
8184 u16 edc_mode)
8185 {
8186 u16 cur_limiting_mode;
8187
8188 bnx2x_cl45_read(bp, phy,
8189 MDIO_PMA_DEVAD,
8190 MDIO_PMA_REG_ROM_VER2,
8191 &cur_limiting_mode);
8192 DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
8193 cur_limiting_mode);
8194
8195 if (edc_mode == EDC_MODE_LIMITING) {
8196 DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
8197 bnx2x_cl45_write(bp, phy,
8198 MDIO_PMA_DEVAD,
8199 MDIO_PMA_REG_ROM_VER2,
8200 EDC_MODE_LIMITING);
8201 } else { /* LRM mode ( default )*/
8202
8203 DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
8204
8205 /* Changing to LRM mode takes quite few seconds. So do it only
8206 * if current mode is limiting (default is LRM)
8207 */
8208 if (cur_limiting_mode != EDC_MODE_LIMITING)
8209 return 0;
8210
8211 bnx2x_cl45_write(bp, phy,
8212 MDIO_PMA_DEVAD,
8213 MDIO_PMA_REG_LRM_MODE,
8214 0);
8215 bnx2x_cl45_write(bp, phy,
8216 MDIO_PMA_DEVAD,
8217 MDIO_PMA_REG_ROM_VER2,
8218 0x128);
8219 bnx2x_cl45_write(bp, phy,
8220 MDIO_PMA_DEVAD,
8221 MDIO_PMA_REG_MISC_CTRL0,
8222 0x4008);
8223 bnx2x_cl45_write(bp, phy,
8224 MDIO_PMA_DEVAD,
8225 MDIO_PMA_REG_LRM_MODE,
8226 0xaaaa);
8227 }
8228 return 0;
8229 }
8230
8231 static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
8232 struct bnx2x_phy *phy,
8233 u16 edc_mode)
8234 {
8235 u16 phy_identifier;
8236 u16 rom_ver2_val;
8237 bnx2x_cl45_read(bp, phy,
8238 MDIO_PMA_DEVAD,
8239 MDIO_PMA_REG_PHY_IDENTIFIER,
8240 &phy_identifier);
8241
8242 bnx2x_cl45_write(bp, phy,
8243 MDIO_PMA_DEVAD,
8244 MDIO_PMA_REG_PHY_IDENTIFIER,
8245 (phy_identifier & ~(1<<9)));
8246
8247 bnx2x_cl45_read(bp, phy,
8248 MDIO_PMA_DEVAD,
8249 MDIO_PMA_REG_ROM_VER2,
8250 &rom_ver2_val);
8251 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
8252 bnx2x_cl45_write(bp, phy,
8253 MDIO_PMA_DEVAD,
8254 MDIO_PMA_REG_ROM_VER2,
8255 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
8256
8257 bnx2x_cl45_write(bp, phy,
8258 MDIO_PMA_DEVAD,
8259 MDIO_PMA_REG_PHY_IDENTIFIER,
8260 (phy_identifier | (1<<9)));
8261
8262 return 0;
8263 }
8264
8265 static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
8266 struct link_params *params,
8267 u32 action)
8268 {
8269 struct bnx2x *bp = params->bp;
8270
8271 switch (action) {
8272 case DISABLE_TX:
8273 bnx2x_sfp_set_transmitter(params, phy, 0);
8274 break;
8275 case ENABLE_TX:
8276 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
8277 bnx2x_sfp_set_transmitter(params, phy, 1);
8278 break;
8279 default:
8280 DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
8281 action);
8282 return;
8283 }
8284 }
8285
8286 static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
8287 u8 gpio_mode)
8288 {
8289 struct bnx2x *bp = params->bp;
8290
8291 u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
8292 offsetof(struct shmem_region,
8293 dev_info.port_hw_config[params->port].sfp_ctrl)) &
8294 PORT_HW_CFG_FAULT_MODULE_LED_MASK;
8295 switch (fault_led_gpio) {
8296 case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
8297 return;
8298 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
8299 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
8300 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
8301 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
8302 {
8303 u8 gpio_port = bnx2x_get_gpio_port(params);
8304 u16 gpio_pin = fault_led_gpio -
8305 PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
8306 DP(NETIF_MSG_LINK, "Set fault module-detected led "
8307 "pin %x port %x mode %x\n",
8308 gpio_pin, gpio_port, gpio_mode);
8309 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
8310 }
8311 break;
8312 default:
8313 DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
8314 fault_led_gpio);
8315 }
8316 }
8317
8318 static void bnx2x_set_e3_module_fault_led(struct link_params *params,
8319 u8 gpio_mode)
8320 {
8321 u32 pin_cfg;
8322 u8 port = params->port;
8323 struct bnx2x *bp = params->bp;
8324 pin_cfg = (REG_RD(bp, params->shmem_base +
8325 offsetof(struct shmem_region,
8326 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
8327 PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
8328 PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
8329 DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
8330 gpio_mode, pin_cfg);
8331 bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
8332 }
8333
8334 static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
8335 u8 gpio_mode)
8336 {
8337 struct bnx2x *bp = params->bp;
8338 DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
8339 if (CHIP_IS_E3(bp)) {
8340 /* Low ==> if SFP+ module is supported otherwise
8341 * High ==> if SFP+ module is not on the approved vendor list
8342 */
8343 bnx2x_set_e3_module_fault_led(params, gpio_mode);
8344 } else
8345 bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
8346 }
8347
8348 static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
8349 struct link_params *params)
8350 {
8351 struct bnx2x *bp = params->bp;
8352 bnx2x_warpcore_power_module(params, phy, 0);
8353 /* Put Warpcore in low power mode */
8354 REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
8355
8356 /* Put LCPLL in low power mode */
8357 REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
8358 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
8359 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
8360 }
8361
8362 static void bnx2x_power_sfp_module(struct link_params *params,
8363 struct bnx2x_phy *phy,
8364 u8 power)
8365 {
8366 struct bnx2x *bp = params->bp;
8367 DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
8368
8369 switch (phy->type) {
8370 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8371 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8372 bnx2x_8727_power_module(params->bp, phy, power);
8373 break;
8374 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8375 bnx2x_warpcore_power_module(params, phy, power);
8376 break;
8377 default:
8378 break;
8379 }
8380 }
8381 static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
8382 struct bnx2x_phy *phy,
8383 u16 edc_mode)
8384 {
8385 u16 val = 0;
8386 u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8387 struct bnx2x *bp = params->bp;
8388
8389 u8 lane = bnx2x_get_warpcore_lane(phy, params);
8390 /* This is a global register which controls all lanes */
8391 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8392 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8393 val &= ~(0xf << (lane << 2));
8394
8395 switch (edc_mode) {
8396 case EDC_MODE_LINEAR:
8397 case EDC_MODE_LIMITING:
8398 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8399 break;
8400 case EDC_MODE_PASSIVE_DAC:
8401 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
8402 break;
8403 default:
8404 break;
8405 }
8406
8407 val |= (mode << (lane << 2));
8408 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
8409 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
8410 /* A must read */
8411 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8412 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8413
8414 /* Restart microcode to re-read the new mode */
8415 bnx2x_warpcore_reset_lane(bp, phy, 1);
8416 bnx2x_warpcore_reset_lane(bp, phy, 0);
8417
8418 }
8419
8420 static void bnx2x_set_limiting_mode(struct link_params *params,
8421 struct bnx2x_phy *phy,
8422 u16 edc_mode)
8423 {
8424 switch (phy->type) {
8425 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8426 bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
8427 break;
8428 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8429 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8430 bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
8431 break;
8432 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8433 bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
8434 break;
8435 }
8436 }
8437
8438 int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
8439 struct link_params *params)
8440 {
8441 struct bnx2x *bp = params->bp;
8442 u16 edc_mode;
8443 int rc = 0;
8444
8445 u32 val = REG_RD(bp, params->shmem_base +
8446 offsetof(struct shmem_region, dev_info.
8447 port_feature_config[params->port].config));
8448
8449 DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
8450 params->port);
8451 /* Power up module */
8452 bnx2x_power_sfp_module(params, phy, 1);
8453 if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
8454 DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
8455 return -EINVAL;
8456 } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
8457 /* Check SFP+ module compatibility */
8458 DP(NETIF_MSG_LINK, "Module verification failed!!\n");
8459 rc = -EINVAL;
8460 /* Turn on fault module-detected led */
8461 bnx2x_set_sfp_module_fault_led(params,
8462 MISC_REGISTERS_GPIO_HIGH);
8463
8464 /* Check if need to power down the SFP+ module */
8465 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8466 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
8467 DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
8468 bnx2x_power_sfp_module(params, phy, 0);
8469 return rc;
8470 }
8471 } else {
8472 /* Turn off fault module-detected led */
8473 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
8474 }
8475
8476 /* Check and set limiting mode / LRM mode on 8726. On 8727 it
8477 * is done automatically
8478 */
8479 bnx2x_set_limiting_mode(params, phy, edc_mode);
8480
8481 /* Enable transmit for this module if the module is approved, or
8482 * if unapproved modules should also enable the Tx laser
8483 */
8484 if (rc == 0 ||
8485 (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8486 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
8487 bnx2x_sfp_set_transmitter(params, phy, 1);
8488 else
8489 bnx2x_sfp_set_transmitter(params, phy, 0);
8490
8491 return rc;
8492 }
8493
8494 void bnx2x_handle_module_detect_int(struct link_params *params)
8495 {
8496 struct bnx2x *bp = params->bp;
8497 struct bnx2x_phy *phy;
8498 u32 gpio_val;
8499 u8 gpio_num, gpio_port;
8500 if (CHIP_IS_E3(bp))
8501 phy = &params->phy[INT_PHY];
8502 else
8503 phy = &params->phy[EXT_PHY1];
8504
8505 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
8506 params->port, &gpio_num, &gpio_port) ==
8507 -EINVAL) {
8508 DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
8509 return;
8510 }
8511
8512 /* Set valid module led off */
8513 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
8514
8515 /* Get current gpio val reflecting module plugged in / out*/
8516 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
8517
8518 /* Call the handling function in case module is detected */
8519 if (gpio_val == 0) {
8520 bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
8521 bnx2x_set_aer_mmd(params, phy);
8522
8523 bnx2x_power_sfp_module(params, phy, 1);
8524 bnx2x_set_gpio_int(bp, gpio_num,
8525 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
8526 gpio_port);
8527 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
8528 bnx2x_sfp_module_detection(phy, params);
8529 if (CHIP_IS_E3(bp)) {
8530 u16 rx_tx_in_reset;
8531 /* In case WC is out of reset, reconfigure the
8532 * link speed while taking into account 1G
8533 * module limitation.
8534 */
8535 bnx2x_cl45_read(bp, phy,
8536 MDIO_WC_DEVAD,
8537 MDIO_WC_REG_DIGITAL5_MISC6,
8538 &rx_tx_in_reset);
8539 if (!rx_tx_in_reset) {
8540 bnx2x_warpcore_reset_lane(bp, phy, 1);
8541 bnx2x_warpcore_config_sfi(phy, params);
8542 bnx2x_warpcore_reset_lane(bp, phy, 0);
8543 }
8544 }
8545 } else {
8546 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
8547 }
8548 } else {
8549 u32 val = REG_RD(bp, params->shmem_base +
8550 offsetof(struct shmem_region, dev_info.
8551 port_feature_config[params->port].
8552 config));
8553 bnx2x_set_gpio_int(bp, gpio_num,
8554 MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
8555 gpio_port);
8556 /* Module was plugged out.
8557 * Disable transmit for this module
8558 */
8559 phy->media_type = ETH_PHY_NOT_PRESENT;
8560 if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8561 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
8562 CHIP_IS_E3(bp))
8563 bnx2x_sfp_set_transmitter(params, phy, 0);
8564 }
8565 }
8566
8567 /******************************************************************/
8568 /* Used by 8706 and 8727 */
8569 /******************************************************************/
8570 static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
8571 struct bnx2x_phy *phy,
8572 u16 alarm_status_offset,
8573 u16 alarm_ctrl_offset)
8574 {
8575 u16 alarm_status, val;
8576 bnx2x_cl45_read(bp, phy,
8577 MDIO_PMA_DEVAD, alarm_status_offset,
8578 &alarm_status);
8579 bnx2x_cl45_read(bp, phy,
8580 MDIO_PMA_DEVAD, alarm_status_offset,
8581 &alarm_status);
8582 /* Mask or enable the fault event. */
8583 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
8584 if (alarm_status & (1<<0))
8585 val &= ~(1<<0);
8586 else
8587 val |= (1<<0);
8588 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
8589 }
8590 /******************************************************************/
8591 /* common BCM8706/BCM8726 PHY SECTION */
8592 /******************************************************************/
8593 static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
8594 struct link_params *params,
8595 struct link_vars *vars)
8596 {
8597 u8 link_up = 0;
8598 u16 val1, val2, rx_sd, pcs_status;
8599 struct bnx2x *bp = params->bp;
8600 DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
8601 /* Clear RX Alarm*/
8602 bnx2x_cl45_read(bp, phy,
8603 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
8604
8605 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8606 MDIO_PMA_LASI_TXCTRL);
8607
8608 /* Clear LASI indication*/
8609 bnx2x_cl45_read(bp, phy,
8610 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
8611 bnx2x_cl45_read(bp, phy,
8612 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
8613 DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8614
8615 bnx2x_cl45_read(bp, phy,
8616 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8617 bnx2x_cl45_read(bp, phy,
8618 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
8619 bnx2x_cl45_read(bp, phy,
8620 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8621 bnx2x_cl45_read(bp, phy,
8622 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8623
8624 DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
8625 " link_status 0x%x\n", rx_sd, pcs_status, val2);
8626 /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
8627 * are set, or if the autoneg bit 1 is set
8628 */
8629 link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
8630 if (link_up) {
8631 if (val2 & (1<<1))
8632 vars->line_speed = SPEED_1000;
8633 else
8634 vars->line_speed = SPEED_10000;
8635 bnx2x_ext_phy_resolve_fc(phy, params, vars);
8636 vars->duplex = DUPLEX_FULL;
8637 }
8638
8639 /* Capture 10G link fault. Read twice to clear stale value. */
8640 if (vars->line_speed == SPEED_10000) {
8641 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8642 MDIO_PMA_LASI_TXSTAT, &val1);
8643 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8644 MDIO_PMA_LASI_TXSTAT, &val1);
8645 if (val1 & (1<<0))
8646 vars->fault_detected = 1;
8647 }
8648
8649 return link_up;
8650 }
8651
8652 /******************************************************************/
8653 /* BCM8706 PHY SECTION */
8654 /******************************************************************/
8655 static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
8656 struct link_params *params,
8657 struct link_vars *vars)
8658 {
8659 u32 tx_en_mode;
8660 u16 cnt, val, tmp1;
8661 struct bnx2x *bp = params->bp;
8662
8663 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
8664 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
8665 /* HW reset */
8666 bnx2x_ext_phy_hw_reset(bp, params->port);
8667 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
8668 bnx2x_wait_reset_complete(bp, phy, params);
8669
8670 /* Wait until fw is loaded */
8671 for (cnt = 0; cnt < 100; cnt++) {
8672 bnx2x_cl45_read(bp, phy,
8673 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
8674 if (val)
8675 break;
8676 usleep_range(10000, 20000);
8677 }
8678 DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
8679 if ((params->feature_config_flags &
8680 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8681 u8 i;
8682 u16 reg;
8683 for (i = 0; i < 4; i++) {
8684 reg = MDIO_XS_8706_REG_BANK_RX0 +
8685 i*(MDIO_XS_8706_REG_BANK_RX1 -
8686 MDIO_XS_8706_REG_BANK_RX0);
8687 bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
8688 /* Clear first 3 bits of the control */
8689 val &= ~0x7;
8690 /* Set control bits according to configuration */
8691 val |= (phy->rx_preemphasis[i] & 0x7);
8692 DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
8693 " reg 0x%x <-- val 0x%x\n", reg, val);
8694 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
8695 }
8696 }
8697 /* Force speed */
8698 if (phy->req_line_speed == SPEED_10000) {
8699 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
8700
8701 bnx2x_cl45_write(bp, phy,
8702 MDIO_PMA_DEVAD,
8703 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
8704 bnx2x_cl45_write(bp, phy,
8705 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8706 0);
8707 /* Arm LASI for link and Tx fault. */
8708 bnx2x_cl45_write(bp, phy,
8709 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
8710 } else {
8711 /* Force 1Gbps using autoneg with 1G advertisement */
8712
8713 /* Allow CL37 through CL73 */
8714 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
8715 bnx2x_cl45_write(bp, phy,
8716 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8717
8718 /* Enable Full-Duplex advertisement on CL37 */
8719 bnx2x_cl45_write(bp, phy,
8720 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
8721 /* Enable CL37 AN */
8722 bnx2x_cl45_write(bp, phy,
8723 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8724 /* 1G support */
8725 bnx2x_cl45_write(bp, phy,
8726 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
8727
8728 /* Enable clause 73 AN */
8729 bnx2x_cl45_write(bp, phy,
8730 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8731 bnx2x_cl45_write(bp, phy,
8732 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8733 0x0400);
8734 bnx2x_cl45_write(bp, phy,
8735 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
8736 0x0004);
8737 }
8738 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8739
8740 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
8741 * power mode, if TX Laser is disabled
8742 */
8743
8744 tx_en_mode = REG_RD(bp, params->shmem_base +
8745 offsetof(struct shmem_region,
8746 dev_info.port_hw_config[params->port].sfp_ctrl))
8747 & PORT_HW_CFG_TX_LASER_MASK;
8748
8749 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8750 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8751 bnx2x_cl45_read(bp, phy,
8752 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
8753 tmp1 |= 0x1;
8754 bnx2x_cl45_write(bp, phy,
8755 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
8756 }
8757
8758 return 0;
8759 }
8760
8761 static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
8762 struct link_params *params,
8763 struct link_vars *vars)
8764 {
8765 return bnx2x_8706_8726_read_status(phy, params, vars);
8766 }
8767
8768 /******************************************************************/
8769 /* BCM8726 PHY SECTION */
8770 /******************************************************************/
8771 static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
8772 struct link_params *params)
8773 {
8774 struct bnx2x *bp = params->bp;
8775 DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
8776 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
8777 }
8778
8779 static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
8780 struct link_params *params)
8781 {
8782 struct bnx2x *bp = params->bp;
8783 /* Need to wait 100ms after reset */
8784 msleep(100);
8785
8786 /* Micro controller re-boot */
8787 bnx2x_cl45_write(bp, phy,
8788 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
8789
8790 /* Set soft reset */
8791 bnx2x_cl45_write(bp, phy,
8792 MDIO_PMA_DEVAD,
8793 MDIO_PMA_REG_GEN_CTRL,
8794 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
8795
8796 bnx2x_cl45_write(bp, phy,
8797 MDIO_PMA_DEVAD,
8798 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
8799
8800 bnx2x_cl45_write(bp, phy,
8801 MDIO_PMA_DEVAD,
8802 MDIO_PMA_REG_GEN_CTRL,
8803 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
8804
8805 /* Wait for 150ms for microcode load */
8806 msleep(150);
8807
8808 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
8809 bnx2x_cl45_write(bp, phy,
8810 MDIO_PMA_DEVAD,
8811 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
8812
8813 msleep(200);
8814 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8815 }
8816
8817 static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
8818 struct link_params *params,
8819 struct link_vars *vars)
8820 {
8821 struct bnx2x *bp = params->bp;
8822 u16 val1;
8823 u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
8824 if (link_up) {
8825 bnx2x_cl45_read(bp, phy,
8826 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
8827 &val1);
8828 if (val1 & (1<<15)) {
8829 DP(NETIF_MSG_LINK, "Tx is disabled\n");
8830 link_up = 0;
8831 vars->line_speed = 0;
8832 }
8833 }
8834 return link_up;
8835 }
8836
8837
8838 static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
8839 struct link_params *params,
8840 struct link_vars *vars)
8841 {
8842 struct bnx2x *bp = params->bp;
8843 DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
8844
8845 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
8846 bnx2x_wait_reset_complete(bp, phy, params);
8847
8848 bnx2x_8726_external_rom_boot(phy, params);
8849
8850 /* Need to call module detected on initialization since the module
8851 * detection triggered by actual module insertion might occur before
8852 * driver is loaded, and when driver is loaded, it reset all
8853 * registers, including the transmitter
8854 */
8855 bnx2x_sfp_module_detection(phy, params);
8856
8857 if (phy->req_line_speed == SPEED_1000) {
8858 DP(NETIF_MSG_LINK, "Setting 1G force\n");
8859 bnx2x_cl45_write(bp, phy,
8860 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
8861 bnx2x_cl45_write(bp, phy,
8862 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
8863 bnx2x_cl45_write(bp, phy,
8864 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
8865 bnx2x_cl45_write(bp, phy,
8866 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8867 0x400);
8868 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
8869 (phy->speed_cap_mask &
8870 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
8871 ((phy->speed_cap_mask &
8872 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
8873 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
8874 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
8875 /* Set Flow control */
8876 bnx2x_ext_phy_set_pause(params, phy, vars);
8877 bnx2x_cl45_write(bp, phy,
8878 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
8879 bnx2x_cl45_write(bp, phy,
8880 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8881 bnx2x_cl45_write(bp, phy,
8882 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
8883 bnx2x_cl45_write(bp, phy,
8884 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8885 bnx2x_cl45_write(bp, phy,
8886 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8887 /* Enable RX-ALARM control to receive interrupt for 1G speed
8888 * change
8889 */
8890 bnx2x_cl45_write(bp, phy,
8891 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
8892 bnx2x_cl45_write(bp, phy,
8893 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8894 0x400);
8895
8896 } else { /* Default 10G. Set only LASI control */
8897 bnx2x_cl45_write(bp, phy,
8898 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
8899 }
8900
8901 /* Set TX PreEmphasis if needed */
8902 if ((params->feature_config_flags &
8903 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8904 DP(NETIF_MSG_LINK,
8905 "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
8906 phy->tx_preemphasis[0],
8907 phy->tx_preemphasis[1]);
8908 bnx2x_cl45_write(bp, phy,
8909 MDIO_PMA_DEVAD,
8910 MDIO_PMA_REG_8726_TX_CTRL1,
8911 phy->tx_preemphasis[0]);
8912
8913 bnx2x_cl45_write(bp, phy,
8914 MDIO_PMA_DEVAD,
8915 MDIO_PMA_REG_8726_TX_CTRL2,
8916 phy->tx_preemphasis[1]);
8917 }
8918
8919 return 0;
8920
8921 }
8922
8923 static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
8924 struct link_params *params)
8925 {
8926 struct bnx2x *bp = params->bp;
8927 DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
8928 /* Set serial boot control for external load */
8929 bnx2x_cl45_write(bp, phy,
8930 MDIO_PMA_DEVAD,
8931 MDIO_PMA_REG_GEN_CTRL, 0x0001);
8932 }
8933
8934 /******************************************************************/
8935 /* BCM8727 PHY SECTION */
8936 /******************************************************************/
8937
8938 static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
8939 struct link_params *params, u8 mode)
8940 {
8941 struct bnx2x *bp = params->bp;
8942 u16 led_mode_bitmask = 0;
8943 u16 gpio_pins_bitmask = 0;
8944 u16 val;
8945 /* Only NOC flavor requires to set the LED specifically */
8946 if (!(phy->flags & FLAGS_NOC))
8947 return;
8948 switch (mode) {
8949 case LED_MODE_FRONT_PANEL_OFF:
8950 case LED_MODE_OFF:
8951 led_mode_bitmask = 0;
8952 gpio_pins_bitmask = 0x03;
8953 break;
8954 case LED_MODE_ON:
8955 led_mode_bitmask = 0;
8956 gpio_pins_bitmask = 0x02;
8957 break;
8958 case LED_MODE_OPER:
8959 led_mode_bitmask = 0x60;
8960 gpio_pins_bitmask = 0x11;
8961 break;
8962 }
8963 bnx2x_cl45_read(bp, phy,
8964 MDIO_PMA_DEVAD,
8965 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8966 &val);
8967 val &= 0xff8f;
8968 val |= led_mode_bitmask;
8969 bnx2x_cl45_write(bp, phy,
8970 MDIO_PMA_DEVAD,
8971 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8972 val);
8973 bnx2x_cl45_read(bp, phy,
8974 MDIO_PMA_DEVAD,
8975 MDIO_PMA_REG_8727_GPIO_CTRL,
8976 &val);
8977 val &= 0xffe0;
8978 val |= gpio_pins_bitmask;
8979 bnx2x_cl45_write(bp, phy,
8980 MDIO_PMA_DEVAD,
8981 MDIO_PMA_REG_8727_GPIO_CTRL,
8982 val);
8983 }
8984 static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
8985 struct link_params *params) {
8986 u32 swap_val, swap_override;
8987 u8 port;
8988 /* The PHY reset is controlled by GPIO 1. Fake the port number
8989 * to cancel the swap done in set_gpio()
8990 */
8991 struct bnx2x *bp = params->bp;
8992 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
8993 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
8994 port = (swap_val && swap_override) ^ 1;
8995 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
8996 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
8997 }
8998
8999 static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
9000 struct link_params *params)
9001 {
9002 struct bnx2x *bp = params->bp;
9003 u16 tmp1, val;
9004 /* Set option 1G speed */
9005 if ((phy->req_line_speed == SPEED_1000) ||
9006 (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
9007 DP(NETIF_MSG_LINK, "Setting 1G force\n");
9008 bnx2x_cl45_write(bp, phy,
9009 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9010 bnx2x_cl45_write(bp, phy,
9011 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9012 bnx2x_cl45_read(bp, phy,
9013 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
9014 DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
9015 /* Power down the XAUI until link is up in case of dual-media
9016 * and 1G
9017 */
9018 if (DUAL_MEDIA(params)) {
9019 bnx2x_cl45_read(bp, phy,
9020 MDIO_PMA_DEVAD,
9021 MDIO_PMA_REG_8727_PCS_GP, &val);
9022 val |= (3<<10);
9023 bnx2x_cl45_write(bp, phy,
9024 MDIO_PMA_DEVAD,
9025 MDIO_PMA_REG_8727_PCS_GP, val);
9026 }
9027 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9028 ((phy->speed_cap_mask &
9029 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
9030 ((phy->speed_cap_mask &
9031 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9032 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9033
9034 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9035 bnx2x_cl45_write(bp, phy,
9036 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
9037 bnx2x_cl45_write(bp, phy,
9038 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
9039 } else {
9040 /* Since the 8727 has only single reset pin, need to set the 10G
9041 * registers although it is default
9042 */
9043 bnx2x_cl45_write(bp, phy,
9044 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
9045 0x0020);
9046 bnx2x_cl45_write(bp, phy,
9047 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
9048 bnx2x_cl45_write(bp, phy,
9049 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
9050 bnx2x_cl45_write(bp, phy,
9051 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
9052 0x0008);
9053 }
9054 }
9055
9056 static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
9057 struct link_params *params,
9058 struct link_vars *vars)
9059 {
9060 u32 tx_en_mode;
9061 u16 tmp1, val, mod_abs, tmp2;
9062 u16 rx_alarm_ctrl_val;
9063 u16 lasi_ctrl_val;
9064 struct bnx2x *bp = params->bp;
9065 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
9066
9067 bnx2x_wait_reset_complete(bp, phy, params);
9068 rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
9069 /* Should be 0x6 to enable XS on Tx side. */
9070 lasi_ctrl_val = 0x0006;
9071
9072 DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
9073 /* Enable LASI */
9074 bnx2x_cl45_write(bp, phy,
9075 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9076 rx_alarm_ctrl_val);
9077 bnx2x_cl45_write(bp, phy,
9078 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
9079 0);
9080 bnx2x_cl45_write(bp, phy,
9081 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
9082
9083 /* Initially configure MOD_ABS to interrupt when module is
9084 * presence( bit 8)
9085 */
9086 bnx2x_cl45_read(bp, phy,
9087 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9088 /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
9089 * When the EDC is off it locks onto a reference clock and avoids
9090 * becoming 'lost'
9091 */
9092 mod_abs &= ~(1<<8);
9093 if (!(phy->flags & FLAGS_NOC))
9094 mod_abs &= ~(1<<9);
9095 bnx2x_cl45_write(bp, phy,
9096 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9097
9098
9099 /* Enable/Disable PHY transmitter output */
9100 bnx2x_set_disable_pmd_transmit(params, phy, 0);
9101
9102 /* Make MOD_ABS give interrupt on change */
9103 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9104 &val);
9105 val |= (1<<12);
9106 if (phy->flags & FLAGS_NOC)
9107 val |= (3<<5);
9108
9109 /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
9110 * status which reflect SFP+ module over-current
9111 */
9112 if (!(phy->flags & FLAGS_NOC))
9113 val &= 0xff8f; /* Reset bits 4-6 */
9114 bnx2x_cl45_write(bp, phy,
9115 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
9116
9117 bnx2x_8727_power_module(bp, phy, 1);
9118
9119 bnx2x_cl45_read(bp, phy,
9120 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
9121
9122 bnx2x_cl45_read(bp, phy,
9123 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
9124
9125 bnx2x_8727_config_speed(phy, params);
9126 /* Set 2-wire transfer rate of SFP+ module EEPROM
9127 * to 100Khz since some DACs(direct attached cables) do
9128 * not work at 400Khz.
9129 */
9130 bnx2x_cl45_write(bp, phy,
9131 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
9132 0xa001);
9133
9134 /* Set TX PreEmphasis if needed */
9135 if ((params->feature_config_flags &
9136 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9137 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9138 phy->tx_preemphasis[0],
9139 phy->tx_preemphasis[1]);
9140 bnx2x_cl45_write(bp, phy,
9141 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
9142 phy->tx_preemphasis[0]);
9143
9144 bnx2x_cl45_write(bp, phy,
9145 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
9146 phy->tx_preemphasis[1]);
9147 }
9148
9149 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
9150 * power mode, if TX Laser is disabled
9151 */
9152 tx_en_mode = REG_RD(bp, params->shmem_base +
9153 offsetof(struct shmem_region,
9154 dev_info.port_hw_config[params->port].sfp_ctrl))
9155 & PORT_HW_CFG_TX_LASER_MASK;
9156
9157 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9158
9159 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
9160 bnx2x_cl45_read(bp, phy,
9161 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
9162 tmp2 |= 0x1000;
9163 tmp2 &= 0xFFEF;
9164 bnx2x_cl45_write(bp, phy,
9165 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
9166 bnx2x_cl45_read(bp, phy,
9167 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9168 &tmp2);
9169 bnx2x_cl45_write(bp, phy,
9170 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9171 (tmp2 & 0x7fff));
9172 }
9173
9174 return 0;
9175 }
9176
9177 static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
9178 struct link_params *params)
9179 {
9180 struct bnx2x *bp = params->bp;
9181 u16 mod_abs, rx_alarm_status;
9182 u32 val = REG_RD(bp, params->shmem_base +
9183 offsetof(struct shmem_region, dev_info.
9184 port_feature_config[params->port].
9185 config));
9186 bnx2x_cl45_read(bp, phy,
9187 MDIO_PMA_DEVAD,
9188 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9189 if (mod_abs & (1<<8)) {
9190
9191 /* Module is absent */
9192 DP(NETIF_MSG_LINK,
9193 "MOD_ABS indication show module is absent\n");
9194 phy->media_type = ETH_PHY_NOT_PRESENT;
9195 /* 1. Set mod_abs to detect next module
9196 * presence event
9197 * 2. Set EDC off by setting OPTXLOS signal input to low
9198 * (bit 9).
9199 * When the EDC is off it locks onto a reference clock and
9200 * avoids becoming 'lost'.
9201 */
9202 mod_abs &= ~(1<<8);
9203 if (!(phy->flags & FLAGS_NOC))
9204 mod_abs &= ~(1<<9);
9205 bnx2x_cl45_write(bp, phy,
9206 MDIO_PMA_DEVAD,
9207 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9208
9209 /* Clear RX alarm since it stays up as long as
9210 * the mod_abs wasn't changed
9211 */
9212 bnx2x_cl45_read(bp, phy,
9213 MDIO_PMA_DEVAD,
9214 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9215
9216 } else {
9217 /* Module is present */
9218 DP(NETIF_MSG_LINK,
9219 "MOD_ABS indication show module is present\n");
9220 /* First disable transmitter, and if the module is ok, the
9221 * module_detection will enable it
9222 * 1. Set mod_abs to detect next module absent event ( bit 8)
9223 * 2. Restore the default polarity of the OPRXLOS signal and
9224 * this signal will then correctly indicate the presence or
9225 * absence of the Rx signal. (bit 9)
9226 */
9227 mod_abs |= (1<<8);
9228 if (!(phy->flags & FLAGS_NOC))
9229 mod_abs |= (1<<9);
9230 bnx2x_cl45_write(bp, phy,
9231 MDIO_PMA_DEVAD,
9232 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9233
9234 /* Clear RX alarm since it stays up as long as the mod_abs
9235 * wasn't changed. This is need to be done before calling the
9236 * module detection, otherwise it will clear* the link update
9237 * alarm
9238 */
9239 bnx2x_cl45_read(bp, phy,
9240 MDIO_PMA_DEVAD,
9241 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9242
9243
9244 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9245 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
9246 bnx2x_sfp_set_transmitter(params, phy, 0);
9247
9248 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
9249 bnx2x_sfp_module_detection(phy, params);
9250 else
9251 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
9252
9253 /* Reconfigure link speed based on module type limitations */
9254 bnx2x_8727_config_speed(phy, params);
9255 }
9256
9257 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
9258 rx_alarm_status);
9259 /* No need to check link status in case of module plugged in/out */
9260 }
9261
9262 static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
9263 struct link_params *params,
9264 struct link_vars *vars)
9265
9266 {
9267 struct bnx2x *bp = params->bp;
9268 u8 link_up = 0, oc_port = params->port;
9269 u16 link_status = 0;
9270 u16 rx_alarm_status, lasi_ctrl, val1;
9271
9272 /* If PHY is not initialized, do not check link status */
9273 bnx2x_cl45_read(bp, phy,
9274 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
9275 &lasi_ctrl);
9276 if (!lasi_ctrl)
9277 return 0;
9278
9279 /* Check the LASI on Rx */
9280 bnx2x_cl45_read(bp, phy,
9281 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
9282 &rx_alarm_status);
9283 vars->line_speed = 0;
9284 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
9285
9286 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
9287 MDIO_PMA_LASI_TXCTRL);
9288
9289 bnx2x_cl45_read(bp, phy,
9290 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
9291
9292 DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
9293
9294 /* Clear MSG-OUT */
9295 bnx2x_cl45_read(bp, phy,
9296 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
9297
9298 /* If a module is present and there is need to check
9299 * for over current
9300 */
9301 if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
9302 /* Check over-current using 8727 GPIO0 input*/
9303 bnx2x_cl45_read(bp, phy,
9304 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
9305 &val1);
9306
9307 if ((val1 & (1<<8)) == 0) {
9308 if (!CHIP_IS_E1x(bp))
9309 oc_port = BP_PATH(bp) + (params->port << 1);
9310 DP(NETIF_MSG_LINK,
9311 "8727 Power fault has been detected on port %d\n",
9312 oc_port);
9313 netdev_err(bp->dev, "Error: Power fault on Port %d has "
9314 "been detected and the power to "
9315 "that SFP+ module has been removed "
9316 "to prevent failure of the card. "
9317 "Please remove the SFP+ module and "
9318 "restart the system to clear this "
9319 "error.\n",
9320 oc_port);
9321 /* Disable all RX_ALARMs except for mod_abs */
9322 bnx2x_cl45_write(bp, phy,
9323 MDIO_PMA_DEVAD,
9324 MDIO_PMA_LASI_RXCTRL, (1<<5));
9325
9326 bnx2x_cl45_read(bp, phy,
9327 MDIO_PMA_DEVAD,
9328 MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
9329 /* Wait for module_absent_event */
9330 val1 |= (1<<8);
9331 bnx2x_cl45_write(bp, phy,
9332 MDIO_PMA_DEVAD,
9333 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
9334 /* Clear RX alarm */
9335 bnx2x_cl45_read(bp, phy,
9336 MDIO_PMA_DEVAD,
9337 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9338 return 0;
9339 }
9340 } /* Over current check */
9341
9342 /* When module absent bit is set, check module */
9343 if (rx_alarm_status & (1<<5)) {
9344 bnx2x_8727_handle_mod_abs(phy, params);
9345 /* Enable all mod_abs and link detection bits */
9346 bnx2x_cl45_write(bp, phy,
9347 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9348 ((1<<5) | (1<<2)));
9349 }
9350
9351 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
9352 DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
9353 bnx2x_sfp_set_transmitter(params, phy, 1);
9354 } else {
9355 DP(NETIF_MSG_LINK, "Tx is disabled\n");
9356 return 0;
9357 }
9358
9359 bnx2x_cl45_read(bp, phy,
9360 MDIO_PMA_DEVAD,
9361 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
9362
9363 /* Bits 0..2 --> speed detected,
9364 * Bits 13..15--> link is down
9365 */
9366 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
9367 link_up = 1;
9368 vars->line_speed = SPEED_10000;
9369 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
9370 params->port);
9371 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
9372 link_up = 1;
9373 vars->line_speed = SPEED_1000;
9374 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
9375 params->port);
9376 } else {
9377 link_up = 0;
9378 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
9379 params->port);
9380 }
9381
9382 /* Capture 10G link fault. */
9383 if (vars->line_speed == SPEED_10000) {
9384 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9385 MDIO_PMA_LASI_TXSTAT, &val1);
9386
9387 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9388 MDIO_PMA_LASI_TXSTAT, &val1);
9389
9390 if (val1 & (1<<0)) {
9391 vars->fault_detected = 1;
9392 }
9393 }
9394
9395 if (link_up) {
9396 bnx2x_ext_phy_resolve_fc(phy, params, vars);
9397 vars->duplex = DUPLEX_FULL;
9398 DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
9399 }
9400
9401 if ((DUAL_MEDIA(params)) &&
9402 (phy->req_line_speed == SPEED_1000)) {
9403 bnx2x_cl45_read(bp, phy,
9404 MDIO_PMA_DEVAD,
9405 MDIO_PMA_REG_8727_PCS_GP, &val1);
9406 /* In case of dual-media board and 1G, power up the XAUI side,
9407 * otherwise power it down. For 10G it is done automatically
9408 */
9409 if (link_up)
9410 val1 &= ~(3<<10);
9411 else
9412 val1 |= (3<<10);
9413 bnx2x_cl45_write(bp, phy,
9414 MDIO_PMA_DEVAD,
9415 MDIO_PMA_REG_8727_PCS_GP, val1);
9416 }
9417 return link_up;
9418 }
9419
9420 static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
9421 struct link_params *params)
9422 {
9423 struct bnx2x *bp = params->bp;
9424
9425 /* Enable/Disable PHY transmitter output */
9426 bnx2x_set_disable_pmd_transmit(params, phy, 1);
9427
9428 /* Disable Transmitter */
9429 bnx2x_sfp_set_transmitter(params, phy, 0);
9430 /* Clear LASI */
9431 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
9432
9433 }
9434
9435 /******************************************************************/
9436 /* BCM8481/BCM84823/BCM84833 PHY SECTION */
9437 /******************************************************************/
9438 static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
9439 struct bnx2x *bp,
9440 u8 port)
9441 {
9442 u16 val, fw_ver1, fw_ver2, cnt;
9443
9444 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9445 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
9446 bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
9447 phy->ver_addr);
9448 } else {
9449 /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
9450 /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
9451 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
9452 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9453 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
9454 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
9455 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
9456
9457 for (cnt = 0; cnt < 100; cnt++) {
9458 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9459 if (val & 1)
9460 break;
9461 udelay(5);
9462 }
9463 if (cnt == 100) {
9464 DP(NETIF_MSG_LINK, "Unable to read 848xx "
9465 "phy fw version(1)\n");
9466 bnx2x_save_spirom_version(bp, port, 0,
9467 phy->ver_addr);
9468 return;
9469 }
9470
9471
9472 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
9473 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
9474 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9475 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
9476 for (cnt = 0; cnt < 100; cnt++) {
9477 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9478 if (val & 1)
9479 break;
9480 udelay(5);
9481 }
9482 if (cnt == 100) {
9483 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
9484 "version(2)\n");
9485 bnx2x_save_spirom_version(bp, port, 0,
9486 phy->ver_addr);
9487 return;
9488 }
9489
9490 /* lower 16 bits of the register SPI_FW_STATUS */
9491 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
9492 /* upper 16 bits of register SPI_FW_STATUS */
9493 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
9494
9495 bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
9496 phy->ver_addr);
9497 }
9498
9499 }
9500 static void bnx2x_848xx_set_led(struct bnx2x *bp,
9501 struct bnx2x_phy *phy)
9502 {
9503 u16 val, offset;
9504
9505 /* PHYC_CTL_LED_CTL */
9506 bnx2x_cl45_read(bp, phy,
9507 MDIO_PMA_DEVAD,
9508 MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
9509 val &= 0xFE00;
9510 val |= 0x0092;
9511
9512 bnx2x_cl45_write(bp, phy,
9513 MDIO_PMA_DEVAD,
9514 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
9515
9516 bnx2x_cl45_write(bp, phy,
9517 MDIO_PMA_DEVAD,
9518 MDIO_PMA_REG_8481_LED1_MASK,
9519 0x80);
9520
9521 bnx2x_cl45_write(bp, phy,
9522 MDIO_PMA_DEVAD,
9523 MDIO_PMA_REG_8481_LED2_MASK,
9524 0x18);
9525
9526 /* Select activity source by Tx and Rx, as suggested by PHY AE */
9527 bnx2x_cl45_write(bp, phy,
9528 MDIO_PMA_DEVAD,
9529 MDIO_PMA_REG_8481_LED3_MASK,
9530 0x0006);
9531
9532 /* Select the closest activity blink rate to that in 10/100/1000 */
9533 bnx2x_cl45_write(bp, phy,
9534 MDIO_PMA_DEVAD,
9535 MDIO_PMA_REG_8481_LED3_BLINK,
9536 0);
9537
9538 /* Configure the blink rate to ~15.9 Hz */
9539 bnx2x_cl45_write(bp, phy,
9540 MDIO_PMA_DEVAD,
9541 MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
9542 MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
9543
9544 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
9545 offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
9546 else
9547 offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
9548
9549 bnx2x_cl45_read(bp, phy,
9550 MDIO_PMA_DEVAD, offset, &val);
9551 val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
9552 bnx2x_cl45_write(bp, phy,
9553 MDIO_PMA_DEVAD, offset, val);
9554
9555 /* 'Interrupt Mask' */
9556 bnx2x_cl45_write(bp, phy,
9557 MDIO_AN_DEVAD,
9558 0xFFFB, 0xFFFD);
9559 }
9560
9561 static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
9562 struct link_params *params,
9563 struct link_vars *vars)
9564 {
9565 struct bnx2x *bp = params->bp;
9566 u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
9567
9568 if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9569 /* Save spirom version */
9570 bnx2x_save_848xx_spirom_version(phy, bp, params->port);
9571 }
9572 /* This phy uses the NIG latch mechanism since link indication
9573 * arrives through its LED4 and not via its LASI signal, so we
9574 * get steady signal instead of clear on read
9575 */
9576 bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
9577 1 << NIG_LATCH_BC_ENABLE_MI_INT);
9578
9579 bnx2x_cl45_write(bp, phy,
9580 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
9581
9582 bnx2x_848xx_set_led(bp, phy);
9583
9584 /* set 1000 speed advertisement */
9585 bnx2x_cl45_read(bp, phy,
9586 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9587 &an_1000_val);
9588
9589 bnx2x_ext_phy_set_pause(params, phy, vars);
9590 bnx2x_cl45_read(bp, phy,
9591 MDIO_AN_DEVAD,
9592 MDIO_AN_REG_8481_LEGACY_AN_ADV,
9593 &an_10_100_val);
9594 bnx2x_cl45_read(bp, phy,
9595 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9596 &autoneg_val);
9597 /* Disable forced speed */
9598 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9599 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
9600
9601 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9602 (phy->speed_cap_mask &
9603 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9604 (phy->req_line_speed == SPEED_1000)) {
9605 an_1000_val |= (1<<8);
9606 autoneg_val |= (1<<9 | 1<<12);
9607 if (phy->req_duplex == DUPLEX_FULL)
9608 an_1000_val |= (1<<9);
9609 DP(NETIF_MSG_LINK, "Advertising 1G\n");
9610 } else
9611 an_1000_val &= ~((1<<8) | (1<<9));
9612
9613 bnx2x_cl45_write(bp, phy,
9614 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9615 an_1000_val);
9616
9617 /* set 100 speed advertisement */
9618 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9619 (phy->speed_cap_mask &
9620 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
9621 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
9622 an_10_100_val |= (1<<7);
9623 /* Enable autoneg and restart autoneg for legacy speeds */
9624 autoneg_val |= (1<<9 | 1<<12);
9625
9626 if (phy->req_duplex == DUPLEX_FULL)
9627 an_10_100_val |= (1<<8);
9628 DP(NETIF_MSG_LINK, "Advertising 100M\n");
9629 }
9630 /* set 10 speed advertisement */
9631 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9632 (phy->speed_cap_mask &
9633 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
9634 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
9635 (phy->supported &
9636 (SUPPORTED_10baseT_Half |
9637 SUPPORTED_10baseT_Full)))) {
9638 an_10_100_val |= (1<<5);
9639 autoneg_val |= (1<<9 | 1<<12);
9640 if (phy->req_duplex == DUPLEX_FULL)
9641 an_10_100_val |= (1<<6);
9642 DP(NETIF_MSG_LINK, "Advertising 10M\n");
9643 }
9644
9645 /* Only 10/100 are allowed to work in FORCE mode */
9646 if ((phy->req_line_speed == SPEED_100) &&
9647 (phy->supported &
9648 (SUPPORTED_100baseT_Half |
9649 SUPPORTED_100baseT_Full))) {
9650 autoneg_val |= (1<<13);
9651 /* Enabled AUTO-MDIX when autoneg is disabled */
9652 bnx2x_cl45_write(bp, phy,
9653 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9654 (1<<15 | 1<<9 | 7<<0));
9655 /* The PHY needs this set even for forced link. */
9656 an_10_100_val |= (1<<8) | (1<<7);
9657 DP(NETIF_MSG_LINK, "Setting 100M force\n");
9658 }
9659 if ((phy->req_line_speed == SPEED_10) &&
9660 (phy->supported &
9661 (SUPPORTED_10baseT_Half |
9662 SUPPORTED_10baseT_Full))) {
9663 /* Enabled AUTO-MDIX when autoneg is disabled */
9664 bnx2x_cl45_write(bp, phy,
9665 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9666 (1<<15 | 1<<9 | 7<<0));
9667 DP(NETIF_MSG_LINK, "Setting 10M force\n");
9668 }
9669
9670 bnx2x_cl45_write(bp, phy,
9671 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
9672 an_10_100_val);
9673
9674 if (phy->req_duplex == DUPLEX_FULL)
9675 autoneg_val |= (1<<8);
9676
9677 /* Always write this if this is not 84833.
9678 * For 84833, write it only when it's a forced speed.
9679 */
9680 if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9681 ((autoneg_val & (1<<12)) == 0))
9682 bnx2x_cl45_write(bp, phy,
9683 MDIO_AN_DEVAD,
9684 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
9685
9686 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9687 (phy->speed_cap_mask &
9688 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
9689 (phy->req_line_speed == SPEED_10000)) {
9690 DP(NETIF_MSG_LINK, "Advertising 10G\n");
9691 /* Restart autoneg for 10G*/
9692
9693 bnx2x_cl45_read(bp, phy,
9694 MDIO_AN_DEVAD,
9695 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9696 &an_10g_val);
9697 bnx2x_cl45_write(bp, phy,
9698 MDIO_AN_DEVAD,
9699 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9700 an_10g_val | 0x1000);
9701 bnx2x_cl45_write(bp, phy,
9702 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
9703 0x3200);
9704 } else
9705 bnx2x_cl45_write(bp, phy,
9706 MDIO_AN_DEVAD,
9707 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9708 1);
9709
9710 return 0;
9711 }
9712
9713 static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
9714 struct link_params *params,
9715 struct link_vars *vars)
9716 {
9717 struct bnx2x *bp = params->bp;
9718 /* Restore normal power mode*/
9719 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
9720 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
9721
9722 /* HW reset */
9723 bnx2x_ext_phy_hw_reset(bp, params->port);
9724 bnx2x_wait_reset_complete(bp, phy, params);
9725
9726 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9727 return bnx2x_848xx_cmn_config_init(phy, params, vars);
9728 }
9729
9730 #define PHY84833_CMDHDLR_WAIT 300
9731 #define PHY84833_CMDHDLR_MAX_ARGS 5
9732 static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
9733 struct link_params *params,
9734 u16 fw_cmd,
9735 u16 cmd_args[], int argc)
9736 {
9737 int idx;
9738 u16 val;
9739 struct bnx2x *bp = params->bp;
9740 /* Write CMD_OPEN_OVERRIDE to STATUS reg */
9741 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9742 MDIO_84833_CMD_HDLR_STATUS,
9743 PHY84833_STATUS_CMD_OPEN_OVERRIDE);
9744 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9745 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9746 MDIO_84833_CMD_HDLR_STATUS, &val);
9747 if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
9748 break;
9749 usleep_range(1000, 2000);
9750 }
9751 if (idx >= PHY84833_CMDHDLR_WAIT) {
9752 DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
9753 return -EINVAL;
9754 }
9755
9756 /* Prepare argument(s) and issue command */
9757 for (idx = 0; idx < argc; idx++) {
9758 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9759 MDIO_84833_CMD_HDLR_DATA1 + idx,
9760 cmd_args[idx]);
9761 }
9762 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9763 MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
9764 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9765 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9766 MDIO_84833_CMD_HDLR_STATUS, &val);
9767 if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
9768 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
9769 break;
9770 usleep_range(1000, 2000);
9771 }
9772 if ((idx >= PHY84833_CMDHDLR_WAIT) ||
9773 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
9774 DP(NETIF_MSG_LINK, "FW cmd failed.\n");
9775 return -EINVAL;
9776 }
9777 /* Gather returning data */
9778 for (idx = 0; idx < argc; idx++) {
9779 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9780 MDIO_84833_CMD_HDLR_DATA1 + idx,
9781 &cmd_args[idx]);
9782 }
9783 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9784 MDIO_84833_CMD_HDLR_STATUS,
9785 PHY84833_STATUS_CMD_CLEAR_COMPLETE);
9786 return 0;
9787 }
9788
9789
9790 static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
9791 struct link_params *params,
9792 struct link_vars *vars)
9793 {
9794 u32 pair_swap;
9795 u16 data[PHY84833_CMDHDLR_MAX_ARGS];
9796 int status;
9797 struct bnx2x *bp = params->bp;
9798
9799 /* Check for configuration. */
9800 pair_swap = REG_RD(bp, params->shmem_base +
9801 offsetof(struct shmem_region,
9802 dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
9803 PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
9804
9805 if (pair_swap == 0)
9806 return 0;
9807
9808 /* Only the second argument is used for this command */
9809 data[1] = (u16)pair_swap;
9810
9811 status = bnx2x_84833_cmd_hdlr(phy, params,
9812 PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
9813 if (status == 0)
9814 DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
9815
9816 return status;
9817 }
9818
9819 static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
9820 u32 shmem_base_path[],
9821 u32 chip_id)
9822 {
9823 u32 reset_pin[2];
9824 u32 idx;
9825 u8 reset_gpios;
9826 if (CHIP_IS_E3(bp)) {
9827 /* Assume that these will be GPIOs, not EPIOs. */
9828 for (idx = 0; idx < 2; idx++) {
9829 /* Map config param to register bit. */
9830 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9831 offsetof(struct shmem_region,
9832 dev_info.port_hw_config[0].e3_cmn_pin_cfg));
9833 reset_pin[idx] = (reset_pin[idx] &
9834 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
9835 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
9836 reset_pin[idx] -= PIN_CFG_GPIO0_P0;
9837 reset_pin[idx] = (1 << reset_pin[idx]);
9838 }
9839 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9840 } else {
9841 /* E2, look from diff place of shmem. */
9842 for (idx = 0; idx < 2; idx++) {
9843 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9844 offsetof(struct shmem_region,
9845 dev_info.port_hw_config[0].default_cfg));
9846 reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
9847 reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
9848 reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
9849 reset_pin[idx] = (1 << reset_pin[idx]);
9850 }
9851 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9852 }
9853
9854 return reset_gpios;
9855 }
9856
9857 static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
9858 struct link_params *params)
9859 {
9860 struct bnx2x *bp = params->bp;
9861 u8 reset_gpios;
9862 u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
9863 offsetof(struct shmem2_region,
9864 other_shmem_base_addr));
9865
9866 u32 shmem_base_path[2];
9867
9868 /* Work around for 84833 LED failure inside RESET status */
9869 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
9870 MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9871 MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
9872 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
9873 MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
9874 MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
9875
9876 shmem_base_path[0] = params->shmem_base;
9877 shmem_base_path[1] = other_shmem_base_addr;
9878
9879 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
9880 params->chip_id);
9881
9882 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
9883 udelay(10);
9884 DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
9885 reset_gpios);
9886
9887 return 0;
9888 }
9889
9890 static int bnx2x_8483x_eee_timers(struct link_params *params,
9891 struct link_vars *vars)
9892 {
9893 u32 eee_idle = 0, eee_mode;
9894 struct bnx2x *bp = params->bp;
9895
9896 eee_idle = bnx2x_eee_calc_timer(params);
9897
9898 if (eee_idle) {
9899 REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
9900 eee_idle);
9901 } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
9902 (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
9903 (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
9904 DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
9905 return -EINVAL;
9906 }
9907
9908 vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
9909 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
9910 /* eee_idle in 1u --> eee_status in 16u */
9911 eee_idle >>= 4;
9912 vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
9913 SHMEM_EEE_TIME_OUTPUT_BIT;
9914 } else {
9915 if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
9916 return -EINVAL;
9917 vars->eee_status |= eee_mode;
9918 }
9919
9920 return 0;
9921 }
9922
9923 static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
9924 struct link_params *params,
9925 struct link_vars *vars)
9926 {
9927 int rc;
9928 struct bnx2x *bp = params->bp;
9929 u16 cmd_args = 0;
9930
9931 DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
9932
9933 /* Make Certain LPI is disabled */
9934 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
9935 REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 0);
9936
9937 /* Prevent Phy from working in EEE and advertising it */
9938 rc = bnx2x_84833_cmd_hdlr(phy, params,
9939 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
9940 if (rc) {
9941 DP(NETIF_MSG_LINK, "EEE disable failed.\n");
9942 return rc;
9943 }
9944
9945 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0);
9946 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
9947
9948 return 0;
9949 }
9950
9951 static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
9952 struct link_params *params,
9953 struct link_vars *vars)
9954 {
9955 int rc;
9956 struct bnx2x *bp = params->bp;
9957 u16 cmd_args = 1;
9958
9959 DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
9960
9961 rc = bnx2x_84833_cmd_hdlr(phy, params,
9962 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
9963 if (rc) {
9964 DP(NETIF_MSG_LINK, "EEE enable failed.\n");
9965 return rc;
9966 }
9967
9968 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x8);
9969
9970 /* Mask events preventing LPI generation */
9971 REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
9972
9973 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
9974 vars->eee_status |= (SHMEM_EEE_10G_ADV << SHMEM_EEE_ADV_STATUS_SHIFT);
9975
9976 return 0;
9977 }
9978
9979 #define PHY84833_CONSTANT_LATENCY 1193
9980 static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
9981 struct link_params *params,
9982 struct link_vars *vars)
9983 {
9984 struct bnx2x *bp = params->bp;
9985 u8 port, initialize = 1;
9986 u16 val;
9987 u32 actual_phy_selection, cms_enable;
9988 u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
9989 int rc = 0;
9990
9991 usleep_range(1000, 2000);
9992
9993 if (!(CHIP_IS_E1x(bp)))
9994 port = BP_PATH(bp);
9995 else
9996 port = params->port;
9997
9998 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
9999 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10000 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
10001 port);
10002 } else {
10003 /* MDIO reset */
10004 bnx2x_cl45_write(bp, phy,
10005 MDIO_PMA_DEVAD,
10006 MDIO_PMA_REG_CTRL, 0x8000);
10007 }
10008
10009 bnx2x_wait_reset_complete(bp, phy, params);
10010
10011 /* Wait for GPHY to come out of reset */
10012 msleep(50);
10013 if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
10014 /* BCM84823 requires that XGXS links up first @ 10G for normal
10015 * behavior.
10016 */
10017 u16 temp;
10018 temp = vars->line_speed;
10019 vars->line_speed = SPEED_10000;
10020 bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
10021 bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
10022 vars->line_speed = temp;
10023 }
10024
10025 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10026 MDIO_CTL_REG_84823_MEDIA, &val);
10027 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10028 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
10029 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
10030 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
10031 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
10032
10033 if (CHIP_IS_E3(bp)) {
10034 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10035 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
10036 } else {
10037 val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
10038 MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
10039 }
10040
10041 actual_phy_selection = bnx2x_phy_selection(params);
10042
10043 switch (actual_phy_selection) {
10044 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
10045 /* Do nothing. Essentially this is like the priority copper */
10046 break;
10047 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
10048 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
10049 break;
10050 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
10051 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
10052 break;
10053 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
10054 /* Do nothing here. The first PHY won't be initialized at all */
10055 break;
10056 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
10057 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
10058 initialize = 0;
10059 break;
10060 }
10061 if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
10062 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
10063
10064 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10065 MDIO_CTL_REG_84823_MEDIA, val);
10066 DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
10067 params->multi_phy_config, val);
10068
10069 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
10070 bnx2x_84833_pair_swap_cfg(phy, params, vars);
10071
10072 /* Keep AutogrEEEn disabled. */
10073 cmd_args[0] = 0x0;
10074 cmd_args[1] = 0x0;
10075 cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
10076 cmd_args[3] = PHY84833_CONSTANT_LATENCY;
10077 rc = bnx2x_84833_cmd_hdlr(phy, params,
10078 PHY84833_CMD_SET_EEE_MODE, cmd_args,
10079 PHY84833_CMDHDLR_MAX_ARGS);
10080 if (rc)
10081 DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
10082 }
10083 if (initialize)
10084 rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
10085 else
10086 bnx2x_save_848xx_spirom_version(phy, bp, params->port);
10087 /* 84833 PHY has a better feature and doesn't need to support this. */
10088 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10089 cms_enable = REG_RD(bp, params->shmem_base +
10090 offsetof(struct shmem_region,
10091 dev_info.port_hw_config[params->port].default_cfg)) &
10092 PORT_HW_CFG_ENABLE_CMS_MASK;
10093
10094 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10095 MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
10096 if (cms_enable)
10097 val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
10098 else
10099 val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
10100 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10101 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
10102 }
10103
10104 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10105 MDIO_84833_TOP_CFG_FW_REV, &val);
10106
10107 /* Configure EEE support */
10108 if ((val >= MDIO_84833_TOP_CFG_FW_EEE) && bnx2x_eee_has_cap(params)) {
10109 phy->flags |= FLAGS_EEE_10GBT;
10110 vars->eee_status |= SHMEM_EEE_10G_ADV <<
10111 SHMEM_EEE_SUPPORTED_SHIFT;
10112 /* Propogate params' bits --> vars (for migration exposure) */
10113 if (params->eee_mode & EEE_MODE_ENABLE_LPI)
10114 vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
10115 else
10116 vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
10117
10118 if (params->eee_mode & EEE_MODE_ADV_LPI)
10119 vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
10120 else
10121 vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
10122
10123 rc = bnx2x_8483x_eee_timers(params, vars);
10124 if (rc) {
10125 DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10126 bnx2x_8483x_disable_eee(phy, params, vars);
10127 return rc;
10128 }
10129
10130 if ((params->req_duplex[actual_phy_selection] == DUPLEX_FULL) &&
10131 (params->eee_mode & EEE_MODE_ADV_LPI) &&
10132 (bnx2x_eee_calc_timer(params) ||
10133 !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
10134 rc = bnx2x_8483x_enable_eee(phy, params, vars);
10135 else
10136 rc = bnx2x_8483x_disable_eee(phy, params, vars);
10137 if (rc) {
10138 DP(NETIF_MSG_LINK, "Failed to set EEE advertisment\n");
10139 return rc;
10140 }
10141 } else {
10142 phy->flags &= ~FLAGS_EEE_10GBT;
10143 vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
10144 }
10145
10146 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
10147 /* Bring PHY out of super isolate mode as the final step. */
10148 bnx2x_cl45_read(bp, phy,
10149 MDIO_CTL_DEVAD,
10150 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
10151 val &= ~MDIO_84833_SUPER_ISOLATE;
10152 bnx2x_cl45_write(bp, phy,
10153 MDIO_CTL_DEVAD,
10154 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
10155 }
10156 return rc;
10157 }
10158
10159 static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
10160 struct link_params *params,
10161 struct link_vars *vars)
10162 {
10163 struct bnx2x *bp = params->bp;
10164 u16 val, val1, val2;
10165 u8 link_up = 0;
10166
10167
10168 /* Check 10G-BaseT link status */
10169 /* Check PMD signal ok */
10170 bnx2x_cl45_read(bp, phy,
10171 MDIO_AN_DEVAD, 0xFFFA, &val1);
10172 bnx2x_cl45_read(bp, phy,
10173 MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
10174 &val2);
10175 DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
10176
10177 /* Check link 10G */
10178 if (val2 & (1<<11)) {
10179 vars->line_speed = SPEED_10000;
10180 vars->duplex = DUPLEX_FULL;
10181 link_up = 1;
10182 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
10183 } else { /* Check Legacy speed link */
10184 u16 legacy_status, legacy_speed;
10185
10186 /* Enable expansion register 0x42 (Operation mode status) */
10187 bnx2x_cl45_write(bp, phy,
10188 MDIO_AN_DEVAD,
10189 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
10190
10191 /* Get legacy speed operation status */
10192 bnx2x_cl45_read(bp, phy,
10193 MDIO_AN_DEVAD,
10194 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
10195 &legacy_status);
10196
10197 DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
10198 legacy_status);
10199 link_up = ((legacy_status & (1<<11)) == (1<<11));
10200 legacy_speed = (legacy_status & (3<<9));
10201 if (legacy_speed == (0<<9))
10202 vars->line_speed = SPEED_10;
10203 else if (legacy_speed == (1<<9))
10204 vars->line_speed = SPEED_100;
10205 else if (legacy_speed == (2<<9))
10206 vars->line_speed = SPEED_1000;
10207 else { /* Should not happen: Treat as link down */
10208 vars->line_speed = 0;
10209 link_up = 0;
10210 }
10211
10212 if (link_up) {
10213 if (legacy_status & (1<<8))
10214 vars->duplex = DUPLEX_FULL;
10215 else
10216 vars->duplex = DUPLEX_HALF;
10217
10218 DP(NETIF_MSG_LINK,
10219 "Link is up in %dMbps, is_duplex_full= %d\n",
10220 vars->line_speed,
10221 (vars->duplex == DUPLEX_FULL));
10222 /* Check legacy speed AN resolution */
10223 bnx2x_cl45_read(bp, phy,
10224 MDIO_AN_DEVAD,
10225 MDIO_AN_REG_8481_LEGACY_MII_STATUS,
10226 &val);
10227 if (val & (1<<5))
10228 vars->link_status |=
10229 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10230 bnx2x_cl45_read(bp, phy,
10231 MDIO_AN_DEVAD,
10232 MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
10233 &val);
10234 if ((val & (1<<0)) == 0)
10235 vars->link_status |=
10236 LINK_STATUS_PARALLEL_DETECTION_USED;
10237 }
10238 }
10239 if (link_up) {
10240 DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
10241 vars->line_speed);
10242 bnx2x_ext_phy_resolve_fc(phy, params, vars);
10243
10244 /* Read LP advertised speeds */
10245 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10246 MDIO_AN_REG_CL37_FC_LP, &val);
10247 if (val & (1<<5))
10248 vars->link_status |=
10249 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10250 if (val & (1<<6))
10251 vars->link_status |=
10252 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10253 if (val & (1<<7))
10254 vars->link_status |=
10255 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10256 if (val & (1<<8))
10257 vars->link_status |=
10258 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10259 if (val & (1<<9))
10260 vars->link_status |=
10261 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10262
10263 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10264 MDIO_AN_REG_1000T_STATUS, &val);
10265
10266 if (val & (1<<10))
10267 vars->link_status |=
10268 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10269 if (val & (1<<11))
10270 vars->link_status |=
10271 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10272
10273 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10274 MDIO_AN_REG_MASTER_STATUS, &val);
10275
10276 if (val & (1<<11))
10277 vars->link_status |=
10278 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
10279
10280 /* Determine if EEE was negotiated */
10281 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
10282 u32 eee_shmem = 0;
10283
10284 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10285 MDIO_AN_REG_EEE_ADV, &val1);
10286 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10287 MDIO_AN_REG_LP_EEE_ADV, &val2);
10288 if ((val1 & val2) & 0x8) {
10289 DP(NETIF_MSG_LINK, "EEE negotiated\n");
10290 vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
10291 }
10292
10293 if (val2 & 0x12)
10294 eee_shmem |= SHMEM_EEE_100M_ADV;
10295 if (val2 & 0x4)
10296 eee_shmem |= SHMEM_EEE_1G_ADV;
10297 if (val2 & 0x68)
10298 eee_shmem |= SHMEM_EEE_10G_ADV;
10299
10300 vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
10301 vars->eee_status |= (eee_shmem <<
10302 SHMEM_EEE_LP_ADV_STATUS_SHIFT);
10303 }
10304 }
10305
10306 return link_up;
10307 }
10308
10309
10310 static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
10311 {
10312 int status = 0;
10313 u32 spirom_ver;
10314 spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
10315 status = bnx2x_format_ver(spirom_ver, str, len);
10316 return status;
10317 }
10318
10319 static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
10320 struct link_params *params)
10321 {
10322 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10323 MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
10324 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10325 MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
10326 }
10327
10328 static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
10329 struct link_params *params)
10330 {
10331 bnx2x_cl45_write(params->bp, phy,
10332 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
10333 bnx2x_cl45_write(params->bp, phy,
10334 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
10335 }
10336
10337 static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
10338 struct link_params *params)
10339 {
10340 struct bnx2x *bp = params->bp;
10341 u8 port;
10342 u16 val16;
10343
10344 if (!(CHIP_IS_E1x(bp)))
10345 port = BP_PATH(bp);
10346 else
10347 port = params->port;
10348
10349 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10350 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10351 MISC_REGISTERS_GPIO_OUTPUT_LOW,
10352 port);
10353 } else {
10354 bnx2x_cl45_read(bp, phy,
10355 MDIO_CTL_DEVAD,
10356 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
10357 val16 |= MDIO_84833_SUPER_ISOLATE;
10358 bnx2x_cl45_write(bp, phy,
10359 MDIO_CTL_DEVAD,
10360 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
10361 }
10362 }
10363
10364 static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
10365 struct link_params *params, u8 mode)
10366 {
10367 struct bnx2x *bp = params->bp;
10368 u16 val;
10369 u8 port;
10370
10371 if (!(CHIP_IS_E1x(bp)))
10372 port = BP_PATH(bp);
10373 else
10374 port = params->port;
10375
10376 switch (mode) {
10377 case LED_MODE_OFF:
10378
10379 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
10380
10381 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10382 SHARED_HW_CFG_LED_EXTPHY1) {
10383
10384 /* Set LED masks */
10385 bnx2x_cl45_write(bp, phy,
10386 MDIO_PMA_DEVAD,
10387 MDIO_PMA_REG_8481_LED1_MASK,
10388 0x0);
10389
10390 bnx2x_cl45_write(bp, phy,
10391 MDIO_PMA_DEVAD,
10392 MDIO_PMA_REG_8481_LED2_MASK,
10393 0x0);
10394
10395 bnx2x_cl45_write(bp, phy,
10396 MDIO_PMA_DEVAD,
10397 MDIO_PMA_REG_8481_LED3_MASK,
10398 0x0);
10399
10400 bnx2x_cl45_write(bp, phy,
10401 MDIO_PMA_DEVAD,
10402 MDIO_PMA_REG_8481_LED5_MASK,
10403 0x0);
10404
10405 } else {
10406 bnx2x_cl45_write(bp, phy,
10407 MDIO_PMA_DEVAD,
10408 MDIO_PMA_REG_8481_LED1_MASK,
10409 0x0);
10410 }
10411 break;
10412 case LED_MODE_FRONT_PANEL_OFF:
10413
10414 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
10415 port);
10416
10417 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10418 SHARED_HW_CFG_LED_EXTPHY1) {
10419
10420 /* Set LED masks */
10421 bnx2x_cl45_write(bp, phy,
10422 MDIO_PMA_DEVAD,
10423 MDIO_PMA_REG_8481_LED1_MASK,
10424 0x0);
10425
10426 bnx2x_cl45_write(bp, phy,
10427 MDIO_PMA_DEVAD,
10428 MDIO_PMA_REG_8481_LED2_MASK,
10429 0x0);
10430
10431 bnx2x_cl45_write(bp, phy,
10432 MDIO_PMA_DEVAD,
10433 MDIO_PMA_REG_8481_LED3_MASK,
10434 0x0);
10435
10436 bnx2x_cl45_write(bp, phy,
10437 MDIO_PMA_DEVAD,
10438 MDIO_PMA_REG_8481_LED5_MASK,
10439 0x20);
10440
10441 } else {
10442 bnx2x_cl45_write(bp, phy,
10443 MDIO_PMA_DEVAD,
10444 MDIO_PMA_REG_8481_LED1_MASK,
10445 0x0);
10446 }
10447 break;
10448 case LED_MODE_ON:
10449
10450 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
10451
10452 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10453 SHARED_HW_CFG_LED_EXTPHY1) {
10454 /* Set control reg */
10455 bnx2x_cl45_read(bp, phy,
10456 MDIO_PMA_DEVAD,
10457 MDIO_PMA_REG_8481_LINK_SIGNAL,
10458 &val);
10459 val &= 0x8000;
10460 val |= 0x2492;
10461
10462 bnx2x_cl45_write(bp, phy,
10463 MDIO_PMA_DEVAD,
10464 MDIO_PMA_REG_8481_LINK_SIGNAL,
10465 val);
10466
10467 /* Set LED masks */
10468 bnx2x_cl45_write(bp, phy,
10469 MDIO_PMA_DEVAD,
10470 MDIO_PMA_REG_8481_LED1_MASK,
10471 0x0);
10472
10473 bnx2x_cl45_write(bp, phy,
10474 MDIO_PMA_DEVAD,
10475 MDIO_PMA_REG_8481_LED2_MASK,
10476 0x20);
10477
10478 bnx2x_cl45_write(bp, phy,
10479 MDIO_PMA_DEVAD,
10480 MDIO_PMA_REG_8481_LED3_MASK,
10481 0x20);
10482
10483 bnx2x_cl45_write(bp, phy,
10484 MDIO_PMA_DEVAD,
10485 MDIO_PMA_REG_8481_LED5_MASK,
10486 0x0);
10487 } else {
10488 bnx2x_cl45_write(bp, phy,
10489 MDIO_PMA_DEVAD,
10490 MDIO_PMA_REG_8481_LED1_MASK,
10491 0x20);
10492 }
10493 break;
10494
10495 case LED_MODE_OPER:
10496
10497 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
10498
10499 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10500 SHARED_HW_CFG_LED_EXTPHY1) {
10501
10502 /* Set control reg */
10503 bnx2x_cl45_read(bp, phy,
10504 MDIO_PMA_DEVAD,
10505 MDIO_PMA_REG_8481_LINK_SIGNAL,
10506 &val);
10507
10508 if (!((val &
10509 MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
10510 >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
10511 DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
10512 bnx2x_cl45_write(bp, phy,
10513 MDIO_PMA_DEVAD,
10514 MDIO_PMA_REG_8481_LINK_SIGNAL,
10515 0xa492);
10516 }
10517
10518 /* Set LED masks */
10519 bnx2x_cl45_write(bp, phy,
10520 MDIO_PMA_DEVAD,
10521 MDIO_PMA_REG_8481_LED1_MASK,
10522 0x10);
10523
10524 bnx2x_cl45_write(bp, phy,
10525 MDIO_PMA_DEVAD,
10526 MDIO_PMA_REG_8481_LED2_MASK,
10527 0x80);
10528
10529 bnx2x_cl45_write(bp, phy,
10530 MDIO_PMA_DEVAD,
10531 MDIO_PMA_REG_8481_LED3_MASK,
10532 0x98);
10533
10534 bnx2x_cl45_write(bp, phy,
10535 MDIO_PMA_DEVAD,
10536 MDIO_PMA_REG_8481_LED5_MASK,
10537 0x40);
10538
10539 } else {
10540 bnx2x_cl45_write(bp, phy,
10541 MDIO_PMA_DEVAD,
10542 MDIO_PMA_REG_8481_LED1_MASK,
10543 0x80);
10544
10545 /* Tell LED3 to blink on source */
10546 bnx2x_cl45_read(bp, phy,
10547 MDIO_PMA_DEVAD,
10548 MDIO_PMA_REG_8481_LINK_SIGNAL,
10549 &val);
10550 val &= ~(7<<6);
10551 val |= (1<<6); /* A83B[8:6]= 1 */
10552 bnx2x_cl45_write(bp, phy,
10553 MDIO_PMA_DEVAD,
10554 MDIO_PMA_REG_8481_LINK_SIGNAL,
10555 val);
10556 }
10557 break;
10558 }
10559
10560 /* This is a workaround for E3+84833 until autoneg
10561 * restart is fixed in f/w
10562 */
10563 if (CHIP_IS_E3(bp)) {
10564 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
10565 MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
10566 }
10567 }
10568
10569 /******************************************************************/
10570 /* 54618SE PHY SECTION */
10571 /******************************************************************/
10572 static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
10573 struct link_params *params,
10574 struct link_vars *vars)
10575 {
10576 struct bnx2x *bp = params->bp;
10577 u8 port;
10578 u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
10579 u32 cfg_pin;
10580
10581 DP(NETIF_MSG_LINK, "54618SE cfg init\n");
10582 usleep_range(1000, 2000);
10583
10584 /* This works with E3 only, no need to check the chip
10585 * before determining the port.
10586 */
10587 port = params->port;
10588
10589 cfg_pin = (REG_RD(bp, params->shmem_base +
10590 offsetof(struct shmem_region,
10591 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10592 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10593 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10594
10595 /* Drive pin high to bring the GPHY out of reset. */
10596 bnx2x_set_cfg_pin(bp, cfg_pin, 1);
10597
10598 /* wait for GPHY to reset */
10599 msleep(50);
10600
10601 /* reset phy */
10602 bnx2x_cl22_write(bp, phy,
10603 MDIO_PMA_REG_CTRL, 0x8000);
10604 bnx2x_wait_reset_complete(bp, phy, params);
10605
10606 /* Wait for GPHY to reset */
10607 msleep(50);
10608
10609 /* Configure LED4: set to INTR (0x6). */
10610 /* Accessing shadow register 0xe. */
10611 bnx2x_cl22_write(bp, phy,
10612 MDIO_REG_GPHY_SHADOW,
10613 MDIO_REG_GPHY_SHADOW_LED_SEL2);
10614 bnx2x_cl22_read(bp, phy,
10615 MDIO_REG_GPHY_SHADOW,
10616 &temp);
10617 temp &= ~(0xf << 4);
10618 temp |= (0x6 << 4);
10619 bnx2x_cl22_write(bp, phy,
10620 MDIO_REG_GPHY_SHADOW,
10621 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10622 /* Configure INTR based on link status change. */
10623 bnx2x_cl22_write(bp, phy,
10624 MDIO_REG_INTR_MASK,
10625 ~MDIO_REG_INTR_MASK_LINK_STATUS);
10626
10627 /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
10628 bnx2x_cl22_write(bp, phy,
10629 MDIO_REG_GPHY_SHADOW,
10630 MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
10631 bnx2x_cl22_read(bp, phy,
10632 MDIO_REG_GPHY_SHADOW,
10633 &temp);
10634 temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
10635 bnx2x_cl22_write(bp, phy,
10636 MDIO_REG_GPHY_SHADOW,
10637 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10638
10639 /* Set up fc */
10640 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
10641 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
10642 fc_val = 0;
10643 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
10644 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
10645 fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
10646
10647 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
10648 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
10649 fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
10650
10651 /* Read all advertisement */
10652 bnx2x_cl22_read(bp, phy,
10653 0x09,
10654 &an_1000_val);
10655
10656 bnx2x_cl22_read(bp, phy,
10657 0x04,
10658 &an_10_100_val);
10659
10660 bnx2x_cl22_read(bp, phy,
10661 MDIO_PMA_REG_CTRL,
10662 &autoneg_val);
10663
10664 /* Disable forced speed */
10665 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
10666 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
10667 (1<<11));
10668
10669 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10670 (phy->speed_cap_mask &
10671 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
10672 (phy->req_line_speed == SPEED_1000)) {
10673 an_1000_val |= (1<<8);
10674 autoneg_val |= (1<<9 | 1<<12);
10675 if (phy->req_duplex == DUPLEX_FULL)
10676 an_1000_val |= (1<<9);
10677 DP(NETIF_MSG_LINK, "Advertising 1G\n");
10678 } else
10679 an_1000_val &= ~((1<<8) | (1<<9));
10680
10681 bnx2x_cl22_write(bp, phy,
10682 0x09,
10683 an_1000_val);
10684 bnx2x_cl22_read(bp, phy,
10685 0x09,
10686 &an_1000_val);
10687
10688 /* Set 100 speed advertisement */
10689 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10690 (phy->speed_cap_mask &
10691 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
10692 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
10693 an_10_100_val |= (1<<7);
10694 /* Enable autoneg and restart autoneg for legacy speeds */
10695 autoneg_val |= (1<<9 | 1<<12);
10696
10697 if (phy->req_duplex == DUPLEX_FULL)
10698 an_10_100_val |= (1<<8);
10699 DP(NETIF_MSG_LINK, "Advertising 100M\n");
10700 }
10701
10702 /* Set 10 speed advertisement */
10703 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10704 (phy->speed_cap_mask &
10705 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
10706 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
10707 an_10_100_val |= (1<<5);
10708 autoneg_val |= (1<<9 | 1<<12);
10709 if (phy->req_duplex == DUPLEX_FULL)
10710 an_10_100_val |= (1<<6);
10711 DP(NETIF_MSG_LINK, "Advertising 10M\n");
10712 }
10713
10714 /* Only 10/100 are allowed to work in FORCE mode */
10715 if (phy->req_line_speed == SPEED_100) {
10716 autoneg_val |= (1<<13);
10717 /* Enabled AUTO-MDIX when autoneg is disabled */
10718 bnx2x_cl22_write(bp, phy,
10719 0x18,
10720 (1<<15 | 1<<9 | 7<<0));
10721 DP(NETIF_MSG_LINK, "Setting 100M force\n");
10722 }
10723 if (phy->req_line_speed == SPEED_10) {
10724 /* Enabled AUTO-MDIX when autoneg is disabled */
10725 bnx2x_cl22_write(bp, phy,
10726 0x18,
10727 (1<<15 | 1<<9 | 7<<0));
10728 DP(NETIF_MSG_LINK, "Setting 10M force\n");
10729 }
10730
10731 /* Check if we should turn on Auto-GrEEEn */
10732 bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
10733 if (temp == MDIO_REG_GPHY_ID_54618SE) {
10734 if (params->feature_config_flags &
10735 FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
10736 temp = 6;
10737 DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
10738 } else {
10739 temp = 0;
10740 DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
10741 }
10742 bnx2x_cl22_write(bp, phy,
10743 MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
10744 bnx2x_cl22_write(bp, phy,
10745 MDIO_REG_GPHY_CL45_DATA_REG,
10746 MDIO_REG_GPHY_EEE_ADV);
10747 bnx2x_cl22_write(bp, phy,
10748 MDIO_REG_GPHY_CL45_ADDR_REG,
10749 (0x1 << 14) | MDIO_AN_DEVAD);
10750 bnx2x_cl22_write(bp, phy,
10751 MDIO_REG_GPHY_CL45_DATA_REG,
10752 temp);
10753 }
10754
10755 bnx2x_cl22_write(bp, phy,
10756 0x04,
10757 an_10_100_val | fc_val);
10758
10759 if (phy->req_duplex == DUPLEX_FULL)
10760 autoneg_val |= (1<<8);
10761
10762 bnx2x_cl22_write(bp, phy,
10763 MDIO_PMA_REG_CTRL, autoneg_val);
10764
10765 return 0;
10766 }
10767
10768
10769 static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
10770 struct link_params *params, u8 mode)
10771 {
10772 struct bnx2x *bp = params->bp;
10773 u16 temp;
10774
10775 bnx2x_cl22_write(bp, phy,
10776 MDIO_REG_GPHY_SHADOW,
10777 MDIO_REG_GPHY_SHADOW_LED_SEL1);
10778 bnx2x_cl22_read(bp, phy,
10779 MDIO_REG_GPHY_SHADOW,
10780 &temp);
10781 temp &= 0xff00;
10782
10783 DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
10784 switch (mode) {
10785 case LED_MODE_FRONT_PANEL_OFF:
10786 case LED_MODE_OFF:
10787 temp |= 0x00ee;
10788 break;
10789 case LED_MODE_OPER:
10790 temp |= 0x0001;
10791 break;
10792 case LED_MODE_ON:
10793 temp |= 0x00ff;
10794 break;
10795 default:
10796 break;
10797 }
10798 bnx2x_cl22_write(bp, phy,
10799 MDIO_REG_GPHY_SHADOW,
10800 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10801 return;
10802 }
10803
10804
10805 static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
10806 struct link_params *params)
10807 {
10808 struct bnx2x *bp = params->bp;
10809 u32 cfg_pin;
10810 u8 port;
10811
10812 /* In case of no EPIO routed to reset the GPHY, put it
10813 * in low power mode.
10814 */
10815 bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
10816 /* This works with E3 only, no need to check the chip
10817 * before determining the port.
10818 */
10819 port = params->port;
10820 cfg_pin = (REG_RD(bp, params->shmem_base +
10821 offsetof(struct shmem_region,
10822 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10823 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10824 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10825
10826 /* Drive pin low to put GPHY in reset. */
10827 bnx2x_set_cfg_pin(bp, cfg_pin, 0);
10828 }
10829
10830 static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
10831 struct link_params *params,
10832 struct link_vars *vars)
10833 {
10834 struct bnx2x *bp = params->bp;
10835 u16 val;
10836 u8 link_up = 0;
10837 u16 legacy_status, legacy_speed;
10838
10839 /* Get speed operation status */
10840 bnx2x_cl22_read(bp, phy,
10841 MDIO_REG_GPHY_AUX_STATUS,
10842 &legacy_status);
10843 DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
10844
10845 /* Read status to clear the PHY interrupt. */
10846 bnx2x_cl22_read(bp, phy,
10847 MDIO_REG_INTR_STATUS,
10848 &val);
10849
10850 link_up = ((legacy_status & (1<<2)) == (1<<2));
10851
10852 if (link_up) {
10853 legacy_speed = (legacy_status & (7<<8));
10854 if (legacy_speed == (7<<8)) {
10855 vars->line_speed = SPEED_1000;
10856 vars->duplex = DUPLEX_FULL;
10857 } else if (legacy_speed == (6<<8)) {
10858 vars->line_speed = SPEED_1000;
10859 vars->duplex = DUPLEX_HALF;
10860 } else if (legacy_speed == (5<<8)) {
10861 vars->line_speed = SPEED_100;
10862 vars->duplex = DUPLEX_FULL;
10863 }
10864 /* Omitting 100Base-T4 for now */
10865 else if (legacy_speed == (3<<8)) {
10866 vars->line_speed = SPEED_100;
10867 vars->duplex = DUPLEX_HALF;
10868 } else if (legacy_speed == (2<<8)) {
10869 vars->line_speed = SPEED_10;
10870 vars->duplex = DUPLEX_FULL;
10871 } else if (legacy_speed == (1<<8)) {
10872 vars->line_speed = SPEED_10;
10873 vars->duplex = DUPLEX_HALF;
10874 } else /* Should not happen */
10875 vars->line_speed = 0;
10876
10877 DP(NETIF_MSG_LINK,
10878 "Link is up in %dMbps, is_duplex_full= %d\n",
10879 vars->line_speed,
10880 (vars->duplex == DUPLEX_FULL));
10881
10882 /* Check legacy speed AN resolution */
10883 bnx2x_cl22_read(bp, phy,
10884 0x01,
10885 &val);
10886 if (val & (1<<5))
10887 vars->link_status |=
10888 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10889 bnx2x_cl22_read(bp, phy,
10890 0x06,
10891 &val);
10892 if ((val & (1<<0)) == 0)
10893 vars->link_status |=
10894 LINK_STATUS_PARALLEL_DETECTION_USED;
10895
10896 DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
10897 vars->line_speed);
10898
10899 /* Report whether EEE is resolved. */
10900 bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
10901 if (val == MDIO_REG_GPHY_ID_54618SE) {
10902 if (vars->link_status &
10903 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
10904 val = 0;
10905 else {
10906 bnx2x_cl22_write(bp, phy,
10907 MDIO_REG_GPHY_CL45_ADDR_REG,
10908 MDIO_AN_DEVAD);
10909 bnx2x_cl22_write(bp, phy,
10910 MDIO_REG_GPHY_CL45_DATA_REG,
10911 MDIO_REG_GPHY_EEE_RESOLVED);
10912 bnx2x_cl22_write(bp, phy,
10913 MDIO_REG_GPHY_CL45_ADDR_REG,
10914 (0x1 << 14) | MDIO_AN_DEVAD);
10915 bnx2x_cl22_read(bp, phy,
10916 MDIO_REG_GPHY_CL45_DATA_REG,
10917 &val);
10918 }
10919 DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
10920 }
10921
10922 bnx2x_ext_phy_resolve_fc(phy, params, vars);
10923
10924 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
10925 /* Report LP advertised speeds */
10926 bnx2x_cl22_read(bp, phy, 0x5, &val);
10927
10928 if (val & (1<<5))
10929 vars->link_status |=
10930 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10931 if (val & (1<<6))
10932 vars->link_status |=
10933 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10934 if (val & (1<<7))
10935 vars->link_status |=
10936 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10937 if (val & (1<<8))
10938 vars->link_status |=
10939 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10940 if (val & (1<<9))
10941 vars->link_status |=
10942 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10943
10944 bnx2x_cl22_read(bp, phy, 0xa, &val);
10945 if (val & (1<<10))
10946 vars->link_status |=
10947 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10948 if (val & (1<<11))
10949 vars->link_status |=
10950 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10951 }
10952 }
10953 return link_up;
10954 }
10955
10956 static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
10957 struct link_params *params)
10958 {
10959 struct bnx2x *bp = params->bp;
10960 u16 val;
10961 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
10962
10963 DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
10964
10965 /* Enable master/slave manual mmode and set to master */
10966 /* mii write 9 [bits set 11 12] */
10967 bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
10968
10969 /* forced 1G and disable autoneg */
10970 /* set val [mii read 0] */
10971 /* set val [expr $val & [bits clear 6 12 13]] */
10972 /* set val [expr $val | [bits set 6 8]] */
10973 /* mii write 0 $val */
10974 bnx2x_cl22_read(bp, phy, 0x00, &val);
10975 val &= ~((1<<6) | (1<<12) | (1<<13));
10976 val |= (1<<6) | (1<<8);
10977 bnx2x_cl22_write(bp, phy, 0x00, val);
10978
10979 /* Set external loopback and Tx using 6dB coding */
10980 /* mii write 0x18 7 */
10981 /* set val [mii read 0x18] */
10982 /* mii write 0x18 [expr $val | [bits set 10 15]] */
10983 bnx2x_cl22_write(bp, phy, 0x18, 7);
10984 bnx2x_cl22_read(bp, phy, 0x18, &val);
10985 bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
10986
10987 /* This register opens the gate for the UMAC despite its name */
10988 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
10989
10990 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
10991 * length used by the MAC receive logic to check frames.
10992 */
10993 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
10994 }
10995
10996 /******************************************************************/
10997 /* SFX7101 PHY SECTION */
10998 /******************************************************************/
10999 static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
11000 struct link_params *params)
11001 {
11002 struct bnx2x *bp = params->bp;
11003 /* SFX7101_XGXS_TEST1 */
11004 bnx2x_cl45_write(bp, phy,
11005 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
11006 }
11007
11008 static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
11009 struct link_params *params,
11010 struct link_vars *vars)
11011 {
11012 u16 fw_ver1, fw_ver2, val;
11013 struct bnx2x *bp = params->bp;
11014 DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
11015
11016 /* Restore normal power mode*/
11017 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
11018 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
11019 /* HW reset */
11020 bnx2x_ext_phy_hw_reset(bp, params->port);
11021 bnx2x_wait_reset_complete(bp, phy, params);
11022
11023 bnx2x_cl45_write(bp, phy,
11024 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
11025 DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
11026 bnx2x_cl45_write(bp, phy,
11027 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
11028
11029 bnx2x_ext_phy_set_pause(params, phy, vars);
11030 /* Restart autoneg */
11031 bnx2x_cl45_read(bp, phy,
11032 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
11033 val |= 0x200;
11034 bnx2x_cl45_write(bp, phy,
11035 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
11036
11037 /* Save spirom version */
11038 bnx2x_cl45_read(bp, phy,
11039 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
11040
11041 bnx2x_cl45_read(bp, phy,
11042 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
11043 bnx2x_save_spirom_version(bp, params->port,
11044 (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
11045 return 0;
11046 }
11047
11048 static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
11049 struct link_params *params,
11050 struct link_vars *vars)
11051 {
11052 struct bnx2x *bp = params->bp;
11053 u8 link_up;
11054 u16 val1, val2;
11055 bnx2x_cl45_read(bp, phy,
11056 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
11057 bnx2x_cl45_read(bp, phy,
11058 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
11059 DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
11060 val2, val1);
11061 bnx2x_cl45_read(bp, phy,
11062 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
11063 bnx2x_cl45_read(bp, phy,
11064 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
11065 DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
11066 val2, val1);
11067 link_up = ((val1 & 4) == 4);
11068 /* If link is up print the AN outcome of the SFX7101 PHY */
11069 if (link_up) {
11070 bnx2x_cl45_read(bp, phy,
11071 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
11072 &val2);
11073 vars->line_speed = SPEED_10000;
11074 vars->duplex = DUPLEX_FULL;
11075 DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
11076 val2, (val2 & (1<<14)));
11077 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
11078 bnx2x_ext_phy_resolve_fc(phy, params, vars);
11079
11080 /* Read LP advertised speeds */
11081 if (val2 & (1<<11))
11082 vars->link_status |=
11083 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
11084 }
11085 return link_up;
11086 }
11087
11088 static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
11089 {
11090 if (*len < 5)
11091 return -EINVAL;
11092 str[0] = (spirom_ver & 0xFF);
11093 str[1] = (spirom_ver & 0xFF00) >> 8;
11094 str[2] = (spirom_ver & 0xFF0000) >> 16;
11095 str[3] = (spirom_ver & 0xFF000000) >> 24;
11096 str[4] = '\0';
11097 *len -= 5;
11098 return 0;
11099 }
11100
11101 void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
11102 {
11103 u16 val, cnt;
11104
11105 bnx2x_cl45_read(bp, phy,
11106 MDIO_PMA_DEVAD,
11107 MDIO_PMA_REG_7101_RESET, &val);
11108
11109 for (cnt = 0; cnt < 10; cnt++) {
11110 msleep(50);
11111 /* Writes a self-clearing reset */
11112 bnx2x_cl45_write(bp, phy,
11113 MDIO_PMA_DEVAD,
11114 MDIO_PMA_REG_7101_RESET,
11115 (val | (1<<15)));
11116 /* Wait for clear */
11117 bnx2x_cl45_read(bp, phy,
11118 MDIO_PMA_DEVAD,
11119 MDIO_PMA_REG_7101_RESET, &val);
11120
11121 if ((val & (1<<15)) == 0)
11122 break;
11123 }
11124 }
11125
11126 static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
11127 struct link_params *params) {
11128 /* Low power mode is controlled by GPIO 2 */
11129 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
11130 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11131 /* The PHY reset is controlled by GPIO 1 */
11132 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
11133 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11134 }
11135
11136 static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
11137 struct link_params *params, u8 mode)
11138 {
11139 u16 val = 0;
11140 struct bnx2x *bp = params->bp;
11141 switch (mode) {
11142 case LED_MODE_FRONT_PANEL_OFF:
11143 case LED_MODE_OFF:
11144 val = 2;
11145 break;
11146 case LED_MODE_ON:
11147 val = 1;
11148 break;
11149 case LED_MODE_OPER:
11150 val = 0;
11151 break;
11152 }
11153 bnx2x_cl45_write(bp, phy,
11154 MDIO_PMA_DEVAD,
11155 MDIO_PMA_REG_7107_LINK_LED_CNTL,
11156 val);
11157 }
11158
11159 /******************************************************************/
11160 /* STATIC PHY DECLARATION */
11161 /******************************************************************/
11162
11163 static struct bnx2x_phy phy_null = {
11164 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
11165 .addr = 0,
11166 .def_md_devad = 0,
11167 .flags = FLAGS_INIT_XGXS_FIRST,
11168 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11169 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11170 .mdio_ctrl = 0,
11171 .supported = 0,
11172 .media_type = ETH_PHY_NOT_PRESENT,
11173 .ver_addr = 0,
11174 .req_flow_ctrl = 0,
11175 .req_line_speed = 0,
11176 .speed_cap_mask = 0,
11177 .req_duplex = 0,
11178 .rsrv = 0,
11179 .config_init = (config_init_t)NULL,
11180 .read_status = (read_status_t)NULL,
11181 .link_reset = (link_reset_t)NULL,
11182 .config_loopback = (config_loopback_t)NULL,
11183 .format_fw_ver = (format_fw_ver_t)NULL,
11184 .hw_reset = (hw_reset_t)NULL,
11185 .set_link_led = (set_link_led_t)NULL,
11186 .phy_specific_func = (phy_specific_func_t)NULL
11187 };
11188
11189 static struct bnx2x_phy phy_serdes = {
11190 .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
11191 .addr = 0xff,
11192 .def_md_devad = 0,
11193 .flags = 0,
11194 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11195 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11196 .mdio_ctrl = 0,
11197 .supported = (SUPPORTED_10baseT_Half |
11198 SUPPORTED_10baseT_Full |
11199 SUPPORTED_100baseT_Half |
11200 SUPPORTED_100baseT_Full |
11201 SUPPORTED_1000baseT_Full |
11202 SUPPORTED_2500baseX_Full |
11203 SUPPORTED_TP |
11204 SUPPORTED_Autoneg |
11205 SUPPORTED_Pause |
11206 SUPPORTED_Asym_Pause),
11207 .media_type = ETH_PHY_BASE_T,
11208 .ver_addr = 0,
11209 .req_flow_ctrl = 0,
11210 .req_line_speed = 0,
11211 .speed_cap_mask = 0,
11212 .req_duplex = 0,
11213 .rsrv = 0,
11214 .config_init = (config_init_t)bnx2x_xgxs_config_init,
11215 .read_status = (read_status_t)bnx2x_link_settings_status,
11216 .link_reset = (link_reset_t)bnx2x_int_link_reset,
11217 .config_loopback = (config_loopback_t)NULL,
11218 .format_fw_ver = (format_fw_ver_t)NULL,
11219 .hw_reset = (hw_reset_t)NULL,
11220 .set_link_led = (set_link_led_t)NULL,
11221 .phy_specific_func = (phy_specific_func_t)NULL
11222 };
11223
11224 static struct bnx2x_phy phy_xgxs = {
11225 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11226 .addr = 0xff,
11227 .def_md_devad = 0,
11228 .flags = 0,
11229 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11230 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11231 .mdio_ctrl = 0,
11232 .supported = (SUPPORTED_10baseT_Half |
11233 SUPPORTED_10baseT_Full |
11234 SUPPORTED_100baseT_Half |
11235 SUPPORTED_100baseT_Full |
11236 SUPPORTED_1000baseT_Full |
11237 SUPPORTED_2500baseX_Full |
11238 SUPPORTED_10000baseT_Full |
11239 SUPPORTED_FIBRE |
11240 SUPPORTED_Autoneg |
11241 SUPPORTED_Pause |
11242 SUPPORTED_Asym_Pause),
11243 .media_type = ETH_PHY_CX4,
11244 .ver_addr = 0,
11245 .req_flow_ctrl = 0,
11246 .req_line_speed = 0,
11247 .speed_cap_mask = 0,
11248 .req_duplex = 0,
11249 .rsrv = 0,
11250 .config_init = (config_init_t)bnx2x_xgxs_config_init,
11251 .read_status = (read_status_t)bnx2x_link_settings_status,
11252 .link_reset = (link_reset_t)bnx2x_int_link_reset,
11253 .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
11254 .format_fw_ver = (format_fw_ver_t)NULL,
11255 .hw_reset = (hw_reset_t)NULL,
11256 .set_link_led = (set_link_led_t)NULL,
11257 .phy_specific_func = (phy_specific_func_t)NULL
11258 };
11259 static struct bnx2x_phy phy_warpcore = {
11260 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11261 .addr = 0xff,
11262 .def_md_devad = 0,
11263 .flags = (FLAGS_HW_LOCK_REQUIRED |
11264 FLAGS_TX_ERROR_CHECK),
11265 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11266 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11267 .mdio_ctrl = 0,
11268 .supported = (SUPPORTED_10baseT_Half |
11269 SUPPORTED_10baseT_Full |
11270 SUPPORTED_100baseT_Half |
11271 SUPPORTED_100baseT_Full |
11272 SUPPORTED_1000baseT_Full |
11273 SUPPORTED_10000baseT_Full |
11274 SUPPORTED_20000baseKR2_Full |
11275 SUPPORTED_20000baseMLD2_Full |
11276 SUPPORTED_FIBRE |
11277 SUPPORTED_Autoneg |
11278 SUPPORTED_Pause |
11279 SUPPORTED_Asym_Pause),
11280 .media_type = ETH_PHY_UNSPECIFIED,
11281 .ver_addr = 0,
11282 .req_flow_ctrl = 0,
11283 .req_line_speed = 0,
11284 .speed_cap_mask = 0,
11285 /* req_duplex = */0,
11286 /* rsrv = */0,
11287 .config_init = (config_init_t)bnx2x_warpcore_config_init,
11288 .read_status = (read_status_t)bnx2x_warpcore_read_status,
11289 .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
11290 .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
11291 .format_fw_ver = (format_fw_ver_t)NULL,
11292 .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
11293 .set_link_led = (set_link_led_t)NULL,
11294 .phy_specific_func = (phy_specific_func_t)NULL
11295 };
11296
11297
11298 static struct bnx2x_phy phy_7101 = {
11299 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
11300 .addr = 0xff,
11301 .def_md_devad = 0,
11302 .flags = FLAGS_FAN_FAILURE_DET_REQ,
11303 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11304 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11305 .mdio_ctrl = 0,
11306 .supported = (SUPPORTED_10000baseT_Full |
11307 SUPPORTED_TP |
11308 SUPPORTED_Autoneg |
11309 SUPPORTED_Pause |
11310 SUPPORTED_Asym_Pause),
11311 .media_type = ETH_PHY_BASE_T,
11312 .ver_addr = 0,
11313 .req_flow_ctrl = 0,
11314 .req_line_speed = 0,
11315 .speed_cap_mask = 0,
11316 .req_duplex = 0,
11317 .rsrv = 0,
11318 .config_init = (config_init_t)bnx2x_7101_config_init,
11319 .read_status = (read_status_t)bnx2x_7101_read_status,
11320 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11321 .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
11322 .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
11323 .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
11324 .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
11325 .phy_specific_func = (phy_specific_func_t)NULL
11326 };
11327 static struct bnx2x_phy phy_8073 = {
11328 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
11329 .addr = 0xff,
11330 .def_md_devad = 0,
11331 .flags = FLAGS_HW_LOCK_REQUIRED,
11332 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11333 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11334 .mdio_ctrl = 0,
11335 .supported = (SUPPORTED_10000baseT_Full |
11336 SUPPORTED_2500baseX_Full |
11337 SUPPORTED_1000baseT_Full |
11338 SUPPORTED_FIBRE |
11339 SUPPORTED_Autoneg |
11340 SUPPORTED_Pause |
11341 SUPPORTED_Asym_Pause),
11342 .media_type = ETH_PHY_KR,
11343 .ver_addr = 0,
11344 .req_flow_ctrl = 0,
11345 .req_line_speed = 0,
11346 .speed_cap_mask = 0,
11347 .req_duplex = 0,
11348 .rsrv = 0,
11349 .config_init = (config_init_t)bnx2x_8073_config_init,
11350 .read_status = (read_status_t)bnx2x_8073_read_status,
11351 .link_reset = (link_reset_t)bnx2x_8073_link_reset,
11352 .config_loopback = (config_loopback_t)NULL,
11353 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11354 .hw_reset = (hw_reset_t)NULL,
11355 .set_link_led = (set_link_led_t)NULL,
11356 .phy_specific_func = (phy_specific_func_t)NULL
11357 };
11358 static struct bnx2x_phy phy_8705 = {
11359 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
11360 .addr = 0xff,
11361 .def_md_devad = 0,
11362 .flags = FLAGS_INIT_XGXS_FIRST,
11363 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11364 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11365 .mdio_ctrl = 0,
11366 .supported = (SUPPORTED_10000baseT_Full |
11367 SUPPORTED_FIBRE |
11368 SUPPORTED_Pause |
11369 SUPPORTED_Asym_Pause),
11370 .media_type = ETH_PHY_XFP_FIBER,
11371 .ver_addr = 0,
11372 .req_flow_ctrl = 0,
11373 .req_line_speed = 0,
11374 .speed_cap_mask = 0,
11375 .req_duplex = 0,
11376 .rsrv = 0,
11377 .config_init = (config_init_t)bnx2x_8705_config_init,
11378 .read_status = (read_status_t)bnx2x_8705_read_status,
11379 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11380 .config_loopback = (config_loopback_t)NULL,
11381 .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
11382 .hw_reset = (hw_reset_t)NULL,
11383 .set_link_led = (set_link_led_t)NULL,
11384 .phy_specific_func = (phy_specific_func_t)NULL
11385 };
11386 static struct bnx2x_phy phy_8706 = {
11387 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
11388 .addr = 0xff,
11389 .def_md_devad = 0,
11390 .flags = FLAGS_INIT_XGXS_FIRST,
11391 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11392 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11393 .mdio_ctrl = 0,
11394 .supported = (SUPPORTED_10000baseT_Full |
11395 SUPPORTED_1000baseT_Full |
11396 SUPPORTED_FIBRE |
11397 SUPPORTED_Pause |
11398 SUPPORTED_Asym_Pause),
11399 .media_type = ETH_PHY_SFPP_10G_FIBER,
11400 .ver_addr = 0,
11401 .req_flow_ctrl = 0,
11402 .req_line_speed = 0,
11403 .speed_cap_mask = 0,
11404 .req_duplex = 0,
11405 .rsrv = 0,
11406 .config_init = (config_init_t)bnx2x_8706_config_init,
11407 .read_status = (read_status_t)bnx2x_8706_read_status,
11408 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11409 .config_loopback = (config_loopback_t)NULL,
11410 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11411 .hw_reset = (hw_reset_t)NULL,
11412 .set_link_led = (set_link_led_t)NULL,
11413 .phy_specific_func = (phy_specific_func_t)NULL
11414 };
11415
11416 static struct bnx2x_phy phy_8726 = {
11417 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
11418 .addr = 0xff,
11419 .def_md_devad = 0,
11420 .flags = (FLAGS_HW_LOCK_REQUIRED |
11421 FLAGS_INIT_XGXS_FIRST |
11422 FLAGS_TX_ERROR_CHECK),
11423 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11424 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11425 .mdio_ctrl = 0,
11426 .supported = (SUPPORTED_10000baseT_Full |
11427 SUPPORTED_1000baseT_Full |
11428 SUPPORTED_Autoneg |
11429 SUPPORTED_FIBRE |
11430 SUPPORTED_Pause |
11431 SUPPORTED_Asym_Pause),
11432 .media_type = ETH_PHY_NOT_PRESENT,
11433 .ver_addr = 0,
11434 .req_flow_ctrl = 0,
11435 .req_line_speed = 0,
11436 .speed_cap_mask = 0,
11437 .req_duplex = 0,
11438 .rsrv = 0,
11439 .config_init = (config_init_t)bnx2x_8726_config_init,
11440 .read_status = (read_status_t)bnx2x_8726_read_status,
11441 .link_reset = (link_reset_t)bnx2x_8726_link_reset,
11442 .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
11443 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11444 .hw_reset = (hw_reset_t)NULL,
11445 .set_link_led = (set_link_led_t)NULL,
11446 .phy_specific_func = (phy_specific_func_t)NULL
11447 };
11448
11449 static struct bnx2x_phy phy_8727 = {
11450 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
11451 .addr = 0xff,
11452 .def_md_devad = 0,
11453 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11454 FLAGS_TX_ERROR_CHECK),
11455 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11456 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11457 .mdio_ctrl = 0,
11458 .supported = (SUPPORTED_10000baseT_Full |
11459 SUPPORTED_1000baseT_Full |
11460 SUPPORTED_FIBRE |
11461 SUPPORTED_Pause |
11462 SUPPORTED_Asym_Pause),
11463 .media_type = ETH_PHY_NOT_PRESENT,
11464 .ver_addr = 0,
11465 .req_flow_ctrl = 0,
11466 .req_line_speed = 0,
11467 .speed_cap_mask = 0,
11468 .req_duplex = 0,
11469 .rsrv = 0,
11470 .config_init = (config_init_t)bnx2x_8727_config_init,
11471 .read_status = (read_status_t)bnx2x_8727_read_status,
11472 .link_reset = (link_reset_t)bnx2x_8727_link_reset,
11473 .config_loopback = (config_loopback_t)NULL,
11474 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11475 .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
11476 .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
11477 .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
11478 };
11479 static struct bnx2x_phy phy_8481 = {
11480 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
11481 .addr = 0xff,
11482 .def_md_devad = 0,
11483 .flags = FLAGS_FAN_FAILURE_DET_REQ |
11484 FLAGS_REARM_LATCH_SIGNAL,
11485 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11486 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11487 .mdio_ctrl = 0,
11488 .supported = (SUPPORTED_10baseT_Half |
11489 SUPPORTED_10baseT_Full |
11490 SUPPORTED_100baseT_Half |
11491 SUPPORTED_100baseT_Full |
11492 SUPPORTED_1000baseT_Full |
11493 SUPPORTED_10000baseT_Full |
11494 SUPPORTED_TP |
11495 SUPPORTED_Autoneg |
11496 SUPPORTED_Pause |
11497 SUPPORTED_Asym_Pause),
11498 .media_type = ETH_PHY_BASE_T,
11499 .ver_addr = 0,
11500 .req_flow_ctrl = 0,
11501 .req_line_speed = 0,
11502 .speed_cap_mask = 0,
11503 .req_duplex = 0,
11504 .rsrv = 0,
11505 .config_init = (config_init_t)bnx2x_8481_config_init,
11506 .read_status = (read_status_t)bnx2x_848xx_read_status,
11507 .link_reset = (link_reset_t)bnx2x_8481_link_reset,
11508 .config_loopback = (config_loopback_t)NULL,
11509 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11510 .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
11511 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
11512 .phy_specific_func = (phy_specific_func_t)NULL
11513 };
11514
11515 static struct bnx2x_phy phy_84823 = {
11516 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
11517 .addr = 0xff,
11518 .def_md_devad = 0,
11519 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11520 FLAGS_REARM_LATCH_SIGNAL |
11521 FLAGS_TX_ERROR_CHECK),
11522 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11523 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11524 .mdio_ctrl = 0,
11525 .supported = (SUPPORTED_10baseT_Half |
11526 SUPPORTED_10baseT_Full |
11527 SUPPORTED_100baseT_Half |
11528 SUPPORTED_100baseT_Full |
11529 SUPPORTED_1000baseT_Full |
11530 SUPPORTED_10000baseT_Full |
11531 SUPPORTED_TP |
11532 SUPPORTED_Autoneg |
11533 SUPPORTED_Pause |
11534 SUPPORTED_Asym_Pause),
11535 .media_type = ETH_PHY_BASE_T,
11536 .ver_addr = 0,
11537 .req_flow_ctrl = 0,
11538 .req_line_speed = 0,
11539 .speed_cap_mask = 0,
11540 .req_duplex = 0,
11541 .rsrv = 0,
11542 .config_init = (config_init_t)bnx2x_848x3_config_init,
11543 .read_status = (read_status_t)bnx2x_848xx_read_status,
11544 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11545 .config_loopback = (config_loopback_t)NULL,
11546 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11547 .hw_reset = (hw_reset_t)NULL,
11548 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
11549 .phy_specific_func = (phy_specific_func_t)NULL
11550 };
11551
11552 static struct bnx2x_phy phy_84833 = {
11553 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
11554 .addr = 0xff,
11555 .def_md_devad = 0,
11556 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11557 FLAGS_REARM_LATCH_SIGNAL |
11558 FLAGS_TX_ERROR_CHECK |
11559 FLAGS_EEE_10GBT),
11560 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11561 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11562 .mdio_ctrl = 0,
11563 .supported = (SUPPORTED_100baseT_Half |
11564 SUPPORTED_100baseT_Full |
11565 SUPPORTED_1000baseT_Full |
11566 SUPPORTED_10000baseT_Full |
11567 SUPPORTED_TP |
11568 SUPPORTED_Autoneg |
11569 SUPPORTED_Pause |
11570 SUPPORTED_Asym_Pause),
11571 .media_type = ETH_PHY_BASE_T,
11572 .ver_addr = 0,
11573 .req_flow_ctrl = 0,
11574 .req_line_speed = 0,
11575 .speed_cap_mask = 0,
11576 .req_duplex = 0,
11577 .rsrv = 0,
11578 .config_init = (config_init_t)bnx2x_848x3_config_init,
11579 .read_status = (read_status_t)bnx2x_848xx_read_status,
11580 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11581 .config_loopback = (config_loopback_t)NULL,
11582 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11583 .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
11584 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
11585 .phy_specific_func = (phy_specific_func_t)NULL
11586 };
11587
11588 static struct bnx2x_phy phy_54618se = {
11589 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
11590 .addr = 0xff,
11591 .def_md_devad = 0,
11592 .flags = FLAGS_INIT_XGXS_FIRST,
11593 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11594 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11595 .mdio_ctrl = 0,
11596 .supported = (SUPPORTED_10baseT_Half |
11597 SUPPORTED_10baseT_Full |
11598 SUPPORTED_100baseT_Half |
11599 SUPPORTED_100baseT_Full |
11600 SUPPORTED_1000baseT_Full |
11601 SUPPORTED_TP |
11602 SUPPORTED_Autoneg |
11603 SUPPORTED_Pause |
11604 SUPPORTED_Asym_Pause),
11605 .media_type = ETH_PHY_BASE_T,
11606 .ver_addr = 0,
11607 .req_flow_ctrl = 0,
11608 .req_line_speed = 0,
11609 .speed_cap_mask = 0,
11610 /* req_duplex = */0,
11611 /* rsrv = */0,
11612 .config_init = (config_init_t)bnx2x_54618se_config_init,
11613 .read_status = (read_status_t)bnx2x_54618se_read_status,
11614 .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
11615 .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
11616 .format_fw_ver = (format_fw_ver_t)NULL,
11617 .hw_reset = (hw_reset_t)NULL,
11618 .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
11619 .phy_specific_func = (phy_specific_func_t)NULL
11620 };
11621 /*****************************************************************/
11622 /* */
11623 /* Populate the phy according. Main function: bnx2x_populate_phy */
11624 /* */
11625 /*****************************************************************/
11626
11627 static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
11628 struct bnx2x_phy *phy, u8 port,
11629 u8 phy_index)
11630 {
11631 /* Get the 4 lanes xgxs config rx and tx */
11632 u32 rx = 0, tx = 0, i;
11633 for (i = 0; i < 2; i++) {
11634 /* INT_PHY and EXT_PHY1 share the same value location in
11635 * the shmem. When num_phys is greater than 1, than this value
11636 * applies only to EXT_PHY1
11637 */
11638 if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
11639 rx = REG_RD(bp, shmem_base +
11640 offsetof(struct shmem_region,
11641 dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
11642
11643 tx = REG_RD(bp, shmem_base +
11644 offsetof(struct shmem_region,
11645 dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
11646 } else {
11647 rx = REG_RD(bp, shmem_base +
11648 offsetof(struct shmem_region,
11649 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
11650
11651 tx = REG_RD(bp, shmem_base +
11652 offsetof(struct shmem_region,
11653 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
11654 }
11655
11656 phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
11657 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
11658
11659 phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
11660 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
11661 }
11662 }
11663
11664 static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
11665 u8 phy_index, u8 port)
11666 {
11667 u32 ext_phy_config = 0;
11668 switch (phy_index) {
11669 case EXT_PHY1:
11670 ext_phy_config = REG_RD(bp, shmem_base +
11671 offsetof(struct shmem_region,
11672 dev_info.port_hw_config[port].external_phy_config));
11673 break;
11674 case EXT_PHY2:
11675 ext_phy_config = REG_RD(bp, shmem_base +
11676 offsetof(struct shmem_region,
11677 dev_info.port_hw_config[port].external_phy_config2));
11678 break;
11679 default:
11680 DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
11681 return -EINVAL;
11682 }
11683
11684 return ext_phy_config;
11685 }
11686 static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
11687 struct bnx2x_phy *phy)
11688 {
11689 u32 phy_addr;
11690 u32 chip_id;
11691 u32 switch_cfg = (REG_RD(bp, shmem_base +
11692 offsetof(struct shmem_region,
11693 dev_info.port_feature_config[port].link_config)) &
11694 PORT_FEATURE_CONNECTED_SWITCH_MASK);
11695 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
11696 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
11697
11698 DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
11699 if (USES_WARPCORE(bp)) {
11700 u32 serdes_net_if;
11701 phy_addr = REG_RD(bp,
11702 MISC_REG_WC0_CTRL_PHY_ADDR);
11703 *phy = phy_warpcore;
11704 if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
11705 phy->flags |= FLAGS_4_PORT_MODE;
11706 else
11707 phy->flags &= ~FLAGS_4_PORT_MODE;
11708 /* Check Dual mode */
11709 serdes_net_if = (REG_RD(bp, shmem_base +
11710 offsetof(struct shmem_region, dev_info.
11711 port_hw_config[port].default_cfg)) &
11712 PORT_HW_CFG_NET_SERDES_IF_MASK);
11713 /* Set the appropriate supported and flags indications per
11714 * interface type of the chip
11715 */
11716 switch (serdes_net_if) {
11717 case PORT_HW_CFG_NET_SERDES_IF_SGMII:
11718 phy->supported &= (SUPPORTED_10baseT_Half |
11719 SUPPORTED_10baseT_Full |
11720 SUPPORTED_100baseT_Half |
11721 SUPPORTED_100baseT_Full |
11722 SUPPORTED_1000baseT_Full |
11723 SUPPORTED_FIBRE |
11724 SUPPORTED_Autoneg |
11725 SUPPORTED_Pause |
11726 SUPPORTED_Asym_Pause);
11727 phy->media_type = ETH_PHY_BASE_T;
11728 break;
11729 case PORT_HW_CFG_NET_SERDES_IF_XFI:
11730 phy->media_type = ETH_PHY_XFP_FIBER;
11731 break;
11732 case PORT_HW_CFG_NET_SERDES_IF_SFI:
11733 phy->supported &= (SUPPORTED_1000baseT_Full |
11734 SUPPORTED_10000baseT_Full |
11735 SUPPORTED_FIBRE |
11736 SUPPORTED_Pause |
11737 SUPPORTED_Asym_Pause);
11738 phy->media_type = ETH_PHY_SFPP_10G_FIBER;
11739 break;
11740 case PORT_HW_CFG_NET_SERDES_IF_KR:
11741 phy->media_type = ETH_PHY_KR;
11742 phy->supported &= (SUPPORTED_1000baseT_Full |
11743 SUPPORTED_10000baseT_Full |
11744 SUPPORTED_FIBRE |
11745 SUPPORTED_Autoneg |
11746 SUPPORTED_Pause |
11747 SUPPORTED_Asym_Pause);
11748 break;
11749 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
11750 phy->media_type = ETH_PHY_KR;
11751 phy->flags |= FLAGS_WC_DUAL_MODE;
11752 phy->supported &= (SUPPORTED_20000baseMLD2_Full |
11753 SUPPORTED_FIBRE |
11754 SUPPORTED_Pause |
11755 SUPPORTED_Asym_Pause);
11756 break;
11757 case PORT_HW_CFG_NET_SERDES_IF_KR2:
11758 phy->media_type = ETH_PHY_KR;
11759 phy->flags |= FLAGS_WC_DUAL_MODE;
11760 phy->supported &= (SUPPORTED_20000baseKR2_Full |
11761 SUPPORTED_FIBRE |
11762 SUPPORTED_Pause |
11763 SUPPORTED_Asym_Pause);
11764 break;
11765 default:
11766 DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
11767 serdes_net_if);
11768 break;
11769 }
11770
11771 /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
11772 * was not set as expected. For B0, ECO will be enabled so there
11773 * won't be an issue there
11774 */
11775 if (CHIP_REV(bp) == CHIP_REV_Ax)
11776 phy->flags |= FLAGS_MDC_MDIO_WA;
11777 else
11778 phy->flags |= FLAGS_MDC_MDIO_WA_B0;
11779 } else {
11780 switch (switch_cfg) {
11781 case SWITCH_CFG_1G:
11782 phy_addr = REG_RD(bp,
11783 NIG_REG_SERDES0_CTRL_PHY_ADDR +
11784 port * 0x10);
11785 *phy = phy_serdes;
11786 break;
11787 case SWITCH_CFG_10G:
11788 phy_addr = REG_RD(bp,
11789 NIG_REG_XGXS0_CTRL_PHY_ADDR +
11790 port * 0x18);
11791 *phy = phy_xgxs;
11792 break;
11793 default:
11794 DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
11795 return -EINVAL;
11796 }
11797 }
11798 phy->addr = (u8)phy_addr;
11799 phy->mdio_ctrl = bnx2x_get_emac_base(bp,
11800 SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
11801 port);
11802 if (CHIP_IS_E2(bp))
11803 phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
11804 else
11805 phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
11806
11807 DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
11808 port, phy->addr, phy->mdio_ctrl);
11809
11810 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
11811 return 0;
11812 }
11813
11814 static int bnx2x_populate_ext_phy(struct bnx2x *bp,
11815 u8 phy_index,
11816 u32 shmem_base,
11817 u32 shmem2_base,
11818 u8 port,
11819 struct bnx2x_phy *phy)
11820 {
11821 u32 ext_phy_config, phy_type, config2;
11822 u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
11823 ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
11824 phy_index, port);
11825 phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
11826 /* Select the phy type */
11827 switch (phy_type) {
11828 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
11829 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
11830 *phy = phy_8073;
11831 break;
11832 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
11833 *phy = phy_8705;
11834 break;
11835 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
11836 *phy = phy_8706;
11837 break;
11838 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
11839 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
11840 *phy = phy_8726;
11841 break;
11842 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
11843 /* BCM8727_NOC => BCM8727 no over current */
11844 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
11845 *phy = phy_8727;
11846 phy->flags |= FLAGS_NOC;
11847 break;
11848 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
11849 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
11850 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
11851 *phy = phy_8727;
11852 break;
11853 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
11854 *phy = phy_8481;
11855 break;
11856 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
11857 *phy = phy_84823;
11858 break;
11859 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
11860 *phy = phy_84833;
11861 break;
11862 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
11863 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
11864 *phy = phy_54618se;
11865 break;
11866 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
11867 *phy = phy_7101;
11868 break;
11869 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
11870 *phy = phy_null;
11871 return -EINVAL;
11872 default:
11873 *phy = phy_null;
11874 /* In case external PHY wasn't found */
11875 if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
11876 (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
11877 return -EINVAL;
11878 return 0;
11879 }
11880
11881 phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
11882 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
11883
11884 /* The shmem address of the phy version is located on different
11885 * structures. In case this structure is too old, do not set
11886 * the address
11887 */
11888 config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
11889 dev_info.shared_hw_config.config2));
11890 if (phy_index == EXT_PHY1) {
11891 phy->ver_addr = shmem_base + offsetof(struct shmem_region,
11892 port_mb[port].ext_phy_fw_version);
11893
11894 /* Check specific mdc mdio settings */
11895 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
11896 mdc_mdio_access = config2 &
11897 SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
11898 } else {
11899 u32 size = REG_RD(bp, shmem2_base);
11900
11901 if (size >
11902 offsetof(struct shmem2_region, ext_phy_fw_version2)) {
11903 phy->ver_addr = shmem2_base +
11904 offsetof(struct shmem2_region,
11905 ext_phy_fw_version2[port]);
11906 }
11907 /* Check specific mdc mdio settings */
11908 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
11909 mdc_mdio_access = (config2 &
11910 SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
11911 (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
11912 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
11913 }
11914 phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
11915
11916 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
11917 (phy->ver_addr)) {
11918 /* Remove 100Mb link supported for BCM84833 when phy fw
11919 * version lower than or equal to 1.39
11920 */
11921 u32 raw_ver = REG_RD(bp, phy->ver_addr);
11922 if (((raw_ver & 0x7F) <= 39) &&
11923 (((raw_ver & 0xF80) >> 7) <= 1))
11924 phy->supported &= ~(SUPPORTED_100baseT_Half |
11925 SUPPORTED_100baseT_Full);
11926 }
11927
11928 /* In case mdc/mdio_access of the external phy is different than the
11929 * mdc/mdio access of the XGXS, a HW lock must be taken in each access
11930 * to prevent one port interfere with another port's CL45 operations.
11931 */
11932 if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
11933 phy->flags |= FLAGS_HW_LOCK_REQUIRED;
11934 DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
11935 phy_type, port, phy_index);
11936 DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
11937 phy->addr, phy->mdio_ctrl);
11938 return 0;
11939 }
11940
11941 static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
11942 u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
11943 {
11944 int status = 0;
11945 phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
11946 if (phy_index == INT_PHY)
11947 return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
11948 status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
11949 port, phy);
11950 return status;
11951 }
11952
11953 static void bnx2x_phy_def_cfg(struct link_params *params,
11954 struct bnx2x_phy *phy,
11955 u8 phy_index)
11956 {
11957 struct bnx2x *bp = params->bp;
11958 u32 link_config;
11959 /* Populate the default phy configuration for MF mode */
11960 if (phy_index == EXT_PHY2) {
11961 link_config = REG_RD(bp, params->shmem_base +
11962 offsetof(struct shmem_region, dev_info.
11963 port_feature_config[params->port].link_config2));
11964 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
11965 offsetof(struct shmem_region,
11966 dev_info.
11967 port_hw_config[params->port].speed_capability_mask2));
11968 } else {
11969 link_config = REG_RD(bp, params->shmem_base +
11970 offsetof(struct shmem_region, dev_info.
11971 port_feature_config[params->port].link_config));
11972 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
11973 offsetof(struct shmem_region,
11974 dev_info.
11975 port_hw_config[params->port].speed_capability_mask));
11976 }
11977 DP(NETIF_MSG_LINK,
11978 "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
11979 phy_index, link_config, phy->speed_cap_mask);
11980
11981 phy->req_duplex = DUPLEX_FULL;
11982 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
11983 case PORT_FEATURE_LINK_SPEED_10M_HALF:
11984 phy->req_duplex = DUPLEX_HALF;
11985 case PORT_FEATURE_LINK_SPEED_10M_FULL:
11986 phy->req_line_speed = SPEED_10;
11987 break;
11988 case PORT_FEATURE_LINK_SPEED_100M_HALF:
11989 phy->req_duplex = DUPLEX_HALF;
11990 case PORT_FEATURE_LINK_SPEED_100M_FULL:
11991 phy->req_line_speed = SPEED_100;
11992 break;
11993 case PORT_FEATURE_LINK_SPEED_1G:
11994 phy->req_line_speed = SPEED_1000;
11995 break;
11996 case PORT_FEATURE_LINK_SPEED_2_5G:
11997 phy->req_line_speed = SPEED_2500;
11998 break;
11999 case PORT_FEATURE_LINK_SPEED_10G_CX4:
12000 phy->req_line_speed = SPEED_10000;
12001 break;
12002 default:
12003 phy->req_line_speed = SPEED_AUTO_NEG;
12004 break;
12005 }
12006
12007 switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
12008 case PORT_FEATURE_FLOW_CONTROL_AUTO:
12009 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
12010 break;
12011 case PORT_FEATURE_FLOW_CONTROL_TX:
12012 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
12013 break;
12014 case PORT_FEATURE_FLOW_CONTROL_RX:
12015 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
12016 break;
12017 case PORT_FEATURE_FLOW_CONTROL_BOTH:
12018 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
12019 break;
12020 default:
12021 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12022 break;
12023 }
12024 }
12025
12026 u32 bnx2x_phy_selection(struct link_params *params)
12027 {
12028 u32 phy_config_swapped, prio_cfg;
12029 u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
12030
12031 phy_config_swapped = params->multi_phy_config &
12032 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12033
12034 prio_cfg = params->multi_phy_config &
12035 PORT_HW_CFG_PHY_SELECTION_MASK;
12036
12037 if (phy_config_swapped) {
12038 switch (prio_cfg) {
12039 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
12040 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
12041 break;
12042 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
12043 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
12044 break;
12045 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
12046 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
12047 break;
12048 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
12049 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
12050 break;
12051 }
12052 } else
12053 return_cfg = prio_cfg;
12054
12055 return return_cfg;
12056 }
12057
12058
12059 int bnx2x_phy_probe(struct link_params *params)
12060 {
12061 u8 phy_index, actual_phy_idx;
12062 u32 phy_config_swapped, sync_offset, media_types;
12063 struct bnx2x *bp = params->bp;
12064 struct bnx2x_phy *phy;
12065 params->num_phys = 0;
12066 DP(NETIF_MSG_LINK, "Begin phy probe\n");
12067 phy_config_swapped = params->multi_phy_config &
12068 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12069
12070 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12071 phy_index++) {
12072 actual_phy_idx = phy_index;
12073 if (phy_config_swapped) {
12074 if (phy_index == EXT_PHY1)
12075 actual_phy_idx = EXT_PHY2;
12076 else if (phy_index == EXT_PHY2)
12077 actual_phy_idx = EXT_PHY1;
12078 }
12079 DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
12080 " actual_phy_idx %x\n", phy_config_swapped,
12081 phy_index, actual_phy_idx);
12082 phy = &params->phy[actual_phy_idx];
12083 if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
12084 params->shmem2_base, params->port,
12085 phy) != 0) {
12086 params->num_phys = 0;
12087 DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
12088 phy_index);
12089 for (phy_index = INT_PHY;
12090 phy_index < MAX_PHYS;
12091 phy_index++)
12092 *phy = phy_null;
12093 return -EINVAL;
12094 }
12095 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
12096 break;
12097
12098 if (params->feature_config_flags &
12099 FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
12100 phy->flags &= ~FLAGS_TX_ERROR_CHECK;
12101
12102 sync_offset = params->shmem_base +
12103 offsetof(struct shmem_region,
12104 dev_info.port_hw_config[params->port].media_type);
12105 media_types = REG_RD(bp, sync_offset);
12106
12107 /* Update media type for non-PMF sync only for the first time
12108 * In case the media type changes afterwards, it will be updated
12109 * using the update_status function
12110 */
12111 if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
12112 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12113 actual_phy_idx))) == 0) {
12114 media_types |= ((phy->media_type &
12115 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
12116 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12117 actual_phy_idx));
12118 }
12119 REG_WR(bp, sync_offset, media_types);
12120
12121 bnx2x_phy_def_cfg(params, phy, phy_index);
12122 params->num_phys++;
12123 }
12124
12125 DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
12126 return 0;
12127 }
12128
12129 void bnx2x_init_bmac_loopback(struct link_params *params,
12130 struct link_vars *vars)
12131 {
12132 struct bnx2x *bp = params->bp;
12133 vars->link_up = 1;
12134 vars->line_speed = SPEED_10000;
12135 vars->duplex = DUPLEX_FULL;
12136 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12137 vars->mac_type = MAC_TYPE_BMAC;
12138
12139 vars->phy_flags = PHY_XGXS_FLAG;
12140
12141 bnx2x_xgxs_deassert(params);
12142
12143 /* set bmac loopback */
12144 bnx2x_bmac_enable(params, vars, 1);
12145
12146 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12147 }
12148
12149 void bnx2x_init_emac_loopback(struct link_params *params,
12150 struct link_vars *vars)
12151 {
12152 struct bnx2x *bp = params->bp;
12153 vars->link_up = 1;
12154 vars->line_speed = SPEED_1000;
12155 vars->duplex = DUPLEX_FULL;
12156 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12157 vars->mac_type = MAC_TYPE_EMAC;
12158
12159 vars->phy_flags = PHY_XGXS_FLAG;
12160
12161 bnx2x_xgxs_deassert(params);
12162 /* set bmac loopback */
12163 bnx2x_emac_enable(params, vars, 1);
12164 bnx2x_emac_program(params, vars);
12165 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12166 }
12167
12168 void bnx2x_init_xmac_loopback(struct link_params *params,
12169 struct link_vars *vars)
12170 {
12171 struct bnx2x *bp = params->bp;
12172 vars->link_up = 1;
12173 if (!params->req_line_speed[0])
12174 vars->line_speed = SPEED_10000;
12175 else
12176 vars->line_speed = params->req_line_speed[0];
12177 vars->duplex = DUPLEX_FULL;
12178 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12179 vars->mac_type = MAC_TYPE_XMAC;
12180 vars->phy_flags = PHY_XGXS_FLAG;
12181 /* Set WC to loopback mode since link is required to provide clock
12182 * to the XMAC in 20G mode
12183 */
12184 bnx2x_set_aer_mmd(params, &params->phy[0]);
12185 bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
12186 params->phy[INT_PHY].config_loopback(
12187 &params->phy[INT_PHY],
12188 params);
12189
12190 bnx2x_xmac_enable(params, vars, 1);
12191 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12192 }
12193
12194 void bnx2x_init_umac_loopback(struct link_params *params,
12195 struct link_vars *vars)
12196 {
12197 struct bnx2x *bp = params->bp;
12198 vars->link_up = 1;
12199 vars->line_speed = SPEED_1000;
12200 vars->duplex = DUPLEX_FULL;
12201 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12202 vars->mac_type = MAC_TYPE_UMAC;
12203 vars->phy_flags = PHY_XGXS_FLAG;
12204 bnx2x_umac_enable(params, vars, 1);
12205
12206 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12207 }
12208
12209 void bnx2x_init_xgxs_loopback(struct link_params *params,
12210 struct link_vars *vars)
12211 {
12212 struct bnx2x *bp = params->bp;
12213 vars->link_up = 1;
12214 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12215 vars->duplex = DUPLEX_FULL;
12216 if (params->req_line_speed[0] == SPEED_1000)
12217 vars->line_speed = SPEED_1000;
12218 else
12219 vars->line_speed = SPEED_10000;
12220
12221 if (!USES_WARPCORE(bp))
12222 bnx2x_xgxs_deassert(params);
12223 bnx2x_link_initialize(params, vars);
12224
12225 if (params->req_line_speed[0] == SPEED_1000) {
12226 if (USES_WARPCORE(bp))
12227 bnx2x_umac_enable(params, vars, 0);
12228 else {
12229 bnx2x_emac_program(params, vars);
12230 bnx2x_emac_enable(params, vars, 0);
12231 }
12232 } else {
12233 if (USES_WARPCORE(bp))
12234 bnx2x_xmac_enable(params, vars, 0);
12235 else
12236 bnx2x_bmac_enable(params, vars, 0);
12237 }
12238
12239 if (params->loopback_mode == LOOPBACK_XGXS) {
12240 /* set 10G XGXS loopback */
12241 params->phy[INT_PHY].config_loopback(
12242 &params->phy[INT_PHY],
12243 params);
12244
12245 } else {
12246 /* set external phy loopback */
12247 u8 phy_index;
12248 for (phy_index = EXT_PHY1;
12249 phy_index < params->num_phys; phy_index++) {
12250 if (params->phy[phy_index].config_loopback)
12251 params->phy[phy_index].config_loopback(
12252 &params->phy[phy_index],
12253 params);
12254 }
12255 }
12256 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12257
12258 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
12259 }
12260
12261 int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
12262 {
12263 struct bnx2x *bp = params->bp;
12264 DP(NETIF_MSG_LINK, "Phy Initialization started\n");
12265 DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
12266 params->req_line_speed[0], params->req_flow_ctrl[0]);
12267 DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
12268 params->req_line_speed[1], params->req_flow_ctrl[1]);
12269 vars->link_status = 0;
12270 vars->phy_link_up = 0;
12271 vars->link_up = 0;
12272 vars->line_speed = 0;
12273 vars->duplex = DUPLEX_FULL;
12274 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12275 vars->mac_type = MAC_TYPE_NONE;
12276 vars->phy_flags = 0;
12277
12278 /* Disable attentions */
12279 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
12280 (NIG_MASK_XGXS0_LINK_STATUS |
12281 NIG_MASK_XGXS0_LINK10G |
12282 NIG_MASK_SERDES0_LINK_STATUS |
12283 NIG_MASK_MI_INT));
12284
12285 bnx2x_emac_init(params, vars);
12286
12287 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
12288 vars->link_status |= LINK_STATUS_PFC_ENABLED;
12289
12290 if (params->num_phys == 0) {
12291 DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
12292 return -EINVAL;
12293 }
12294 set_phy_vars(params, vars);
12295
12296 DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
12297 switch (params->loopback_mode) {
12298 case LOOPBACK_BMAC:
12299 bnx2x_init_bmac_loopback(params, vars);
12300 break;
12301 case LOOPBACK_EMAC:
12302 bnx2x_init_emac_loopback(params, vars);
12303 break;
12304 case LOOPBACK_XMAC:
12305 bnx2x_init_xmac_loopback(params, vars);
12306 break;
12307 case LOOPBACK_UMAC:
12308 bnx2x_init_umac_loopback(params, vars);
12309 break;
12310 case LOOPBACK_XGXS:
12311 case LOOPBACK_EXT_PHY:
12312 bnx2x_init_xgxs_loopback(params, vars);
12313 break;
12314 default:
12315 if (!CHIP_IS_E3(bp)) {
12316 if (params->switch_cfg == SWITCH_CFG_10G)
12317 bnx2x_xgxs_deassert(params);
12318 else
12319 bnx2x_serdes_deassert(bp, params->port);
12320 }
12321 bnx2x_link_initialize(params, vars);
12322 msleep(30);
12323 bnx2x_link_int_enable(params);
12324 break;
12325 }
12326 bnx2x_update_mng(params, vars->link_status);
12327
12328 bnx2x_update_mng_eee(params, vars->eee_status);
12329 return 0;
12330 }
12331
12332 int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
12333 u8 reset_ext_phy)
12334 {
12335 struct bnx2x *bp = params->bp;
12336 u8 phy_index, port = params->port, clear_latch_ind = 0;
12337 DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
12338 /* Disable attentions */
12339 vars->link_status = 0;
12340 bnx2x_update_mng(params, vars->link_status);
12341 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
12342 SHMEM_EEE_ACTIVE_BIT);
12343 bnx2x_update_mng_eee(params, vars->eee_status);
12344 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
12345 (NIG_MASK_XGXS0_LINK_STATUS |
12346 NIG_MASK_XGXS0_LINK10G |
12347 NIG_MASK_SERDES0_LINK_STATUS |
12348 NIG_MASK_MI_INT));
12349
12350 /* Activate nig drain */
12351 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
12352
12353 /* Disable nig egress interface */
12354 if (!CHIP_IS_E3(bp)) {
12355 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
12356 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
12357 }
12358
12359 /* Stop BigMac rx */
12360 if (!CHIP_IS_E3(bp))
12361 bnx2x_bmac_rx_disable(bp, port);
12362 else {
12363 bnx2x_xmac_disable(params);
12364 bnx2x_umac_disable(params);
12365 }
12366 /* Disable emac */
12367 if (!CHIP_IS_E3(bp))
12368 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
12369
12370 usleep_range(10000, 20000);
12371 /* The PHY reset is controlled by GPIO 1
12372 * Hold it as vars low
12373 */
12374 /* Clear link led */
12375 bnx2x_set_mdio_clk(bp, params->chip_id, port);
12376 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
12377
12378 if (reset_ext_phy) {
12379 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
12380 phy_index++) {
12381 if (params->phy[phy_index].link_reset) {
12382 bnx2x_set_aer_mmd(params,
12383 &params->phy[phy_index]);
12384 params->phy[phy_index].link_reset(
12385 &params->phy[phy_index],
12386 params);
12387 }
12388 if (params->phy[phy_index].flags &
12389 FLAGS_REARM_LATCH_SIGNAL)
12390 clear_latch_ind = 1;
12391 }
12392 }
12393
12394 if (clear_latch_ind) {
12395 /* Clear latching indication */
12396 bnx2x_rearm_latch_signal(bp, port, 0);
12397 bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
12398 1 << NIG_LATCH_BC_ENABLE_MI_INT);
12399 }
12400 if (params->phy[INT_PHY].link_reset)
12401 params->phy[INT_PHY].link_reset(
12402 &params->phy[INT_PHY], params);
12403
12404 /* Disable nig ingress interface */
12405 if (!CHIP_IS_E3(bp)) {
12406 /* Reset BigMac */
12407 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
12408 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
12409 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
12410 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
12411 } else {
12412 u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
12413 bnx2x_set_xumac_nig(params, 0, 0);
12414 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
12415 MISC_REGISTERS_RESET_REG_2_XMAC)
12416 REG_WR(bp, xmac_base + XMAC_REG_CTRL,
12417 XMAC_CTRL_REG_SOFT_RESET);
12418 }
12419 vars->link_up = 0;
12420 vars->phy_flags = 0;
12421 return 0;
12422 }
12423
12424 /****************************************************************************/
12425 /* Common function */
12426 /****************************************************************************/
12427 static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
12428 u32 shmem_base_path[],
12429 u32 shmem2_base_path[], u8 phy_index,
12430 u32 chip_id)
12431 {
12432 struct bnx2x_phy phy[PORT_MAX];
12433 struct bnx2x_phy *phy_blk[PORT_MAX];
12434 u16 val;
12435 s8 port = 0;
12436 s8 port_of_path = 0;
12437 u32 swap_val, swap_override;
12438 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12439 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
12440 port ^= (swap_val && swap_override);
12441 bnx2x_ext_phy_hw_reset(bp, port);
12442 /* PART1 - Reset both phys */
12443 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12444 u32 shmem_base, shmem2_base;
12445 /* In E2, same phy is using for port0 of the two paths */
12446 if (CHIP_IS_E1x(bp)) {
12447 shmem_base = shmem_base_path[0];
12448 shmem2_base = shmem2_base_path[0];
12449 port_of_path = port;
12450 } else {
12451 shmem_base = shmem_base_path[port];
12452 shmem2_base = shmem2_base_path[port];
12453 port_of_path = 0;
12454 }
12455
12456 /* Extract the ext phy address for the port */
12457 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12458 port_of_path, &phy[port]) !=
12459 0) {
12460 DP(NETIF_MSG_LINK, "populate_phy failed\n");
12461 return -EINVAL;
12462 }
12463 /* Disable attentions */
12464 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12465 port_of_path*4,
12466 (NIG_MASK_XGXS0_LINK_STATUS |
12467 NIG_MASK_XGXS0_LINK10G |
12468 NIG_MASK_SERDES0_LINK_STATUS |
12469 NIG_MASK_MI_INT));
12470
12471 /* Need to take the phy out of low power mode in order
12472 * to write to access its registers
12473 */
12474 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
12475 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12476 port);
12477
12478 /* Reset the phy */
12479 bnx2x_cl45_write(bp, &phy[port],
12480 MDIO_PMA_DEVAD,
12481 MDIO_PMA_REG_CTRL,
12482 1<<15);
12483 }
12484
12485 /* Add delay of 150ms after reset */
12486 msleep(150);
12487
12488 if (phy[PORT_0].addr & 0x1) {
12489 phy_blk[PORT_0] = &(phy[PORT_1]);
12490 phy_blk[PORT_1] = &(phy[PORT_0]);
12491 } else {
12492 phy_blk[PORT_0] = &(phy[PORT_0]);
12493 phy_blk[PORT_1] = &(phy[PORT_1]);
12494 }
12495
12496 /* PART2 - Download firmware to both phys */
12497 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12498 if (CHIP_IS_E1x(bp))
12499 port_of_path = port;
12500 else
12501 port_of_path = 0;
12502
12503 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12504 phy_blk[port]->addr);
12505 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12506 port_of_path))
12507 return -EINVAL;
12508
12509 /* Only set bit 10 = 1 (Tx power down) */
12510 bnx2x_cl45_read(bp, phy_blk[port],
12511 MDIO_PMA_DEVAD,
12512 MDIO_PMA_REG_TX_POWER_DOWN, &val);
12513
12514 /* Phase1 of TX_POWER_DOWN reset */
12515 bnx2x_cl45_write(bp, phy_blk[port],
12516 MDIO_PMA_DEVAD,
12517 MDIO_PMA_REG_TX_POWER_DOWN,
12518 (val | 1<<10));
12519 }
12520
12521 /* Toggle Transmitter: Power down and then up with 600ms delay
12522 * between
12523 */
12524 msleep(600);
12525
12526 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
12527 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12528 /* Phase2 of POWER_DOWN_RESET */
12529 /* Release bit 10 (Release Tx power down) */
12530 bnx2x_cl45_read(bp, phy_blk[port],
12531 MDIO_PMA_DEVAD,
12532 MDIO_PMA_REG_TX_POWER_DOWN, &val);
12533
12534 bnx2x_cl45_write(bp, phy_blk[port],
12535 MDIO_PMA_DEVAD,
12536 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
12537 usleep_range(15000, 30000);
12538
12539 /* Read modify write the SPI-ROM version select register */
12540 bnx2x_cl45_read(bp, phy_blk[port],
12541 MDIO_PMA_DEVAD,
12542 MDIO_PMA_REG_EDC_FFE_MAIN, &val);
12543 bnx2x_cl45_write(bp, phy_blk[port],
12544 MDIO_PMA_DEVAD,
12545 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
12546
12547 /* set GPIO2 back to LOW */
12548 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
12549 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
12550 }
12551 return 0;
12552 }
12553 static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
12554 u32 shmem_base_path[],
12555 u32 shmem2_base_path[], u8 phy_index,
12556 u32 chip_id)
12557 {
12558 u32 val;
12559 s8 port;
12560 struct bnx2x_phy phy;
12561 /* Use port1 because of the static port-swap */
12562 /* Enable the module detection interrupt */
12563 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
12564 val |= ((1<<MISC_REGISTERS_GPIO_3)|
12565 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
12566 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
12567
12568 bnx2x_ext_phy_hw_reset(bp, 0);
12569 usleep_range(5000, 10000);
12570 for (port = 0; port < PORT_MAX; port++) {
12571 u32 shmem_base, shmem2_base;
12572
12573 /* In E2, same phy is using for port0 of the two paths */
12574 if (CHIP_IS_E1x(bp)) {
12575 shmem_base = shmem_base_path[0];
12576 shmem2_base = shmem2_base_path[0];
12577 } else {
12578 shmem_base = shmem_base_path[port];
12579 shmem2_base = shmem2_base_path[port];
12580 }
12581 /* Extract the ext phy address for the port */
12582 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12583 port, &phy) !=
12584 0) {
12585 DP(NETIF_MSG_LINK, "populate phy failed\n");
12586 return -EINVAL;
12587 }
12588
12589 /* Reset phy*/
12590 bnx2x_cl45_write(bp, &phy,
12591 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
12592
12593
12594 /* Set fault module detected LED on */
12595 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
12596 MISC_REGISTERS_GPIO_HIGH,
12597 port);
12598 }
12599
12600 return 0;
12601 }
12602 static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
12603 u8 *io_gpio, u8 *io_port)
12604 {
12605
12606 u32 phy_gpio_reset = REG_RD(bp, shmem_base +
12607 offsetof(struct shmem_region,
12608 dev_info.port_hw_config[PORT_0].default_cfg));
12609 switch (phy_gpio_reset) {
12610 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
12611 *io_gpio = 0;
12612 *io_port = 0;
12613 break;
12614 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
12615 *io_gpio = 1;
12616 *io_port = 0;
12617 break;
12618 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
12619 *io_gpio = 2;
12620 *io_port = 0;
12621 break;
12622 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
12623 *io_gpio = 3;
12624 *io_port = 0;
12625 break;
12626 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
12627 *io_gpio = 0;
12628 *io_port = 1;
12629 break;
12630 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
12631 *io_gpio = 1;
12632 *io_port = 1;
12633 break;
12634 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
12635 *io_gpio = 2;
12636 *io_port = 1;
12637 break;
12638 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
12639 *io_gpio = 3;
12640 *io_port = 1;
12641 break;
12642 default:
12643 /* Don't override the io_gpio and io_port */
12644 break;
12645 }
12646 }
12647
12648 static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
12649 u32 shmem_base_path[],
12650 u32 shmem2_base_path[], u8 phy_index,
12651 u32 chip_id)
12652 {
12653 s8 port, reset_gpio;
12654 u32 swap_val, swap_override;
12655 struct bnx2x_phy phy[PORT_MAX];
12656 struct bnx2x_phy *phy_blk[PORT_MAX];
12657 s8 port_of_path;
12658 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12659 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
12660
12661 reset_gpio = MISC_REGISTERS_GPIO_1;
12662 port = 1;
12663
12664 /* Retrieve the reset gpio/port which control the reset.
12665 * Default is GPIO1, PORT1
12666 */
12667 bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
12668 (u8 *)&reset_gpio, (u8 *)&port);
12669
12670 /* Calculate the port based on port swap */
12671 port ^= (swap_val && swap_override);
12672
12673 /* Initiate PHY reset*/
12674 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
12675 port);
12676 usleep_range(1000, 2000);
12677 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12678 port);
12679
12680 usleep_range(5000, 10000);
12681
12682 /* PART1 - Reset both phys */
12683 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12684 u32 shmem_base, shmem2_base;
12685
12686 /* In E2, same phy is using for port0 of the two paths */
12687 if (CHIP_IS_E1x(bp)) {
12688 shmem_base = shmem_base_path[0];
12689 shmem2_base = shmem2_base_path[0];
12690 port_of_path = port;
12691 } else {
12692 shmem_base = shmem_base_path[port];
12693 shmem2_base = shmem2_base_path[port];
12694 port_of_path = 0;
12695 }
12696
12697 /* Extract the ext phy address for the port */
12698 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12699 port_of_path, &phy[port]) !=
12700 0) {
12701 DP(NETIF_MSG_LINK, "populate phy failed\n");
12702 return -EINVAL;
12703 }
12704 /* disable attentions */
12705 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12706 port_of_path*4,
12707 (NIG_MASK_XGXS0_LINK_STATUS |
12708 NIG_MASK_XGXS0_LINK10G |
12709 NIG_MASK_SERDES0_LINK_STATUS |
12710 NIG_MASK_MI_INT));
12711
12712
12713 /* Reset the phy */
12714 bnx2x_cl45_write(bp, &phy[port],
12715 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
12716 }
12717
12718 /* Add delay of 150ms after reset */
12719 msleep(150);
12720 if (phy[PORT_0].addr & 0x1) {
12721 phy_blk[PORT_0] = &(phy[PORT_1]);
12722 phy_blk[PORT_1] = &(phy[PORT_0]);
12723 } else {
12724 phy_blk[PORT_0] = &(phy[PORT_0]);
12725 phy_blk[PORT_1] = &(phy[PORT_1]);
12726 }
12727 /* PART2 - Download firmware to both phys */
12728 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12729 if (CHIP_IS_E1x(bp))
12730 port_of_path = port;
12731 else
12732 port_of_path = 0;
12733 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12734 phy_blk[port]->addr);
12735 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12736 port_of_path))
12737 return -EINVAL;
12738 /* Disable PHY transmitter output */
12739 bnx2x_cl45_write(bp, phy_blk[port],
12740 MDIO_PMA_DEVAD,
12741 MDIO_PMA_REG_TX_DISABLE, 1);
12742
12743 }
12744 return 0;
12745 }
12746
12747 static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
12748 u32 shmem_base_path[],
12749 u32 shmem2_base_path[],
12750 u8 phy_index,
12751 u32 chip_id)
12752 {
12753 u8 reset_gpios;
12754 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
12755 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
12756 udelay(10);
12757 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
12758 DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
12759 reset_gpios);
12760 return 0;
12761 }
12762
12763 static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
12764 struct bnx2x_phy *phy)
12765 {
12766 u16 val, cnt;
12767 /* Wait for FW completing its initialization. */
12768 for (cnt = 0; cnt < 1500; cnt++) {
12769 bnx2x_cl45_read(bp, phy,
12770 MDIO_PMA_DEVAD,
12771 MDIO_PMA_REG_CTRL, &val);
12772 if (!(val & (1<<15)))
12773 break;
12774 usleep_range(1000, 2000);
12775 }
12776 if (cnt >= 1500) {
12777 DP(NETIF_MSG_LINK, "84833 reset timeout\n");
12778 return -EINVAL;
12779 }
12780
12781 /* Put the port in super isolate mode. */
12782 bnx2x_cl45_read(bp, phy,
12783 MDIO_CTL_DEVAD,
12784 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
12785 val |= MDIO_84833_SUPER_ISOLATE;
12786 bnx2x_cl45_write(bp, phy,
12787 MDIO_CTL_DEVAD,
12788 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
12789
12790 /* Save spirom version */
12791 bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
12792 return 0;
12793 }
12794
12795 int bnx2x_pre_init_phy(struct bnx2x *bp,
12796 u32 shmem_base,
12797 u32 shmem2_base,
12798 u32 chip_id)
12799 {
12800 int rc = 0;
12801 struct bnx2x_phy phy;
12802 bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
12803 if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
12804 PORT_0, &phy)) {
12805 DP(NETIF_MSG_LINK, "populate_phy failed\n");
12806 return -EINVAL;
12807 }
12808 switch (phy.type) {
12809 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12810 rc = bnx2x_84833_pre_init_phy(bp, &phy);
12811 break;
12812 default:
12813 break;
12814 }
12815 return rc;
12816 }
12817
12818 static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
12819 u32 shmem2_base_path[], u8 phy_index,
12820 u32 ext_phy_type, u32 chip_id)
12821 {
12822 int rc = 0;
12823
12824 switch (ext_phy_type) {
12825 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
12826 rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
12827 shmem2_base_path,
12828 phy_index, chip_id);
12829 break;
12830 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
12831 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
12832 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
12833 rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
12834 shmem2_base_path,
12835 phy_index, chip_id);
12836 break;
12837
12838 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
12839 /* GPIO1 affects both ports, so there's need to pull
12840 * it for single port alone
12841 */
12842 rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
12843 shmem2_base_path,
12844 phy_index, chip_id);
12845 break;
12846 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12847 /* GPIO3's are linked, and so both need to be toggled
12848 * to obtain required 2us pulse.
12849 */
12850 rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
12851 shmem2_base_path,
12852 phy_index, chip_id);
12853 break;
12854 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
12855 rc = -EINVAL;
12856 break;
12857 default:
12858 DP(NETIF_MSG_LINK,
12859 "ext_phy 0x%x common init not required\n",
12860 ext_phy_type);
12861 break;
12862 }
12863
12864 if (rc)
12865 netdev_err(bp->dev, "Warning: PHY was not initialized,"
12866 " Port %d\n",
12867 0);
12868 return rc;
12869 }
12870
12871 int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
12872 u32 shmem2_base_path[], u32 chip_id)
12873 {
12874 int rc = 0;
12875 u32 phy_ver, val;
12876 u8 phy_index = 0;
12877 u32 ext_phy_type, ext_phy_config;
12878 bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
12879 bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
12880 DP(NETIF_MSG_LINK, "Begin common phy init\n");
12881 if (CHIP_IS_E3(bp)) {
12882 /* Enable EPIO */
12883 val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
12884 REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
12885 }
12886 /* Check if common init was already done */
12887 phy_ver = REG_RD(bp, shmem_base_path[0] +
12888 offsetof(struct shmem_region,
12889 port_mb[PORT_0].ext_phy_fw_version));
12890 if (phy_ver) {
12891 DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
12892 phy_ver);
12893 return 0;
12894 }
12895
12896 /* Read the ext_phy_type for arbitrary port(0) */
12897 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
12898 phy_index++) {
12899 ext_phy_config = bnx2x_get_ext_phy_config(bp,
12900 shmem_base_path[0],
12901 phy_index, 0);
12902 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
12903 rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
12904 shmem2_base_path,
12905 phy_index, ext_phy_type,
12906 chip_id);
12907 }
12908 return rc;
12909 }
12910
12911 static void bnx2x_check_over_curr(struct link_params *params,
12912 struct link_vars *vars)
12913 {
12914 struct bnx2x *bp = params->bp;
12915 u32 cfg_pin;
12916 u8 port = params->port;
12917 u32 pin_val;
12918
12919 cfg_pin = (REG_RD(bp, params->shmem_base +
12920 offsetof(struct shmem_region,
12921 dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
12922 PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
12923 PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
12924
12925 /* Ignore check if no external input PIN available */
12926 if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
12927 return;
12928
12929 if (!pin_val) {
12930 if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
12931 netdev_err(bp->dev, "Error: Power fault on Port %d has"
12932 " been detected and the power to "
12933 "that SFP+ module has been removed"
12934 " to prevent failure of the card."
12935 " Please remove the SFP+ module and"
12936 " restart the system to clear this"
12937 " error.\n",
12938 params->port);
12939 vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
12940 }
12941 } else
12942 vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
12943 }
12944
12945 /* Returns 0 if no change occured since last check; 1 otherwise. */
12946 static u8 bnx2x_analyze_link_error(struct link_params *params,
12947 struct link_vars *vars, u32 status,
12948 u32 phy_flag, u32 link_flag, u8 notify)
12949 {
12950 struct bnx2x *bp = params->bp;
12951 /* Compare new value with previous value */
12952 u8 led_mode;
12953 u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
12954
12955 if ((status ^ old_status) == 0)
12956 return 0;
12957
12958 /* If values differ */
12959 switch (phy_flag) {
12960 case PHY_HALF_OPEN_CONN_FLAG:
12961 DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
12962 break;
12963 case PHY_SFP_TX_FAULT_FLAG:
12964 DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
12965 break;
12966 default:
12967 DP(NETIF_MSG_LINK, "Analyze UNKOWN\n");
12968 }
12969 DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
12970 old_status, status);
12971
12972 /* a. Update shmem->link_status accordingly
12973 * b. Update link_vars->link_up
12974 */
12975 if (status) {
12976 vars->link_status &= ~LINK_STATUS_LINK_UP;
12977 vars->link_status |= link_flag;
12978 vars->link_up = 0;
12979 vars->phy_flags |= phy_flag;
12980
12981 /* activate nig drain */
12982 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
12983 /* Set LED mode to off since the PHY doesn't know about these
12984 * errors
12985 */
12986 led_mode = LED_MODE_OFF;
12987 } else {
12988 vars->link_status |= LINK_STATUS_LINK_UP;
12989 vars->link_status &= ~link_flag;
12990 vars->link_up = 1;
12991 vars->phy_flags &= ~phy_flag;
12992 led_mode = LED_MODE_OPER;
12993
12994 /* Clear nig drain */
12995 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12996 }
12997 bnx2x_sync_link(params, vars);
12998 /* Update the LED according to the link state */
12999 bnx2x_set_led(params, vars, led_mode, SPEED_10000);
13000
13001 /* Update link status in the shared memory */
13002 bnx2x_update_mng(params, vars->link_status);
13003
13004 /* C. Trigger General Attention */
13005 vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
13006 if (notify)
13007 bnx2x_notify_link_changed(bp);
13008
13009 return 1;
13010 }
13011
13012 /******************************************************************************
13013 * Description:
13014 * This function checks for half opened connection change indication.
13015 * When such change occurs, it calls the bnx2x_analyze_link_error
13016 * to check if Remote Fault is set or cleared. Reception of remote fault
13017 * status message in the MAC indicates that the peer's MAC has detected
13018 * a fault, for example, due to break in the TX side of fiber.
13019 *
13020 ******************************************************************************/
13021 int bnx2x_check_half_open_conn(struct link_params *params,
13022 struct link_vars *vars,
13023 u8 notify)
13024 {
13025 struct bnx2x *bp = params->bp;
13026 u32 lss_status = 0;
13027 u32 mac_base;
13028 /* In case link status is physically up @ 10G do */
13029 if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
13030 (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
13031 return 0;
13032
13033 if (CHIP_IS_E3(bp) &&
13034 (REG_RD(bp, MISC_REG_RESET_REG_2) &
13035 (MISC_REGISTERS_RESET_REG_2_XMAC))) {
13036 /* Check E3 XMAC */
13037 /* Note that link speed cannot be queried here, since it may be
13038 * zero while link is down. In case UMAC is active, LSS will
13039 * simply not be set
13040 */
13041 mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
13042
13043 /* Clear stick bits (Requires rising edge) */
13044 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
13045 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
13046 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
13047 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
13048 if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
13049 lss_status = 1;
13050
13051 bnx2x_analyze_link_error(params, vars, lss_status,
13052 PHY_HALF_OPEN_CONN_FLAG,
13053 LINK_STATUS_NONE, notify);
13054 } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
13055 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
13056 /* Check E1X / E2 BMAC */
13057 u32 lss_status_reg;
13058 u32 wb_data[2];
13059 mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
13060 NIG_REG_INGRESS_BMAC0_MEM;
13061 /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
13062 if (CHIP_IS_E2(bp))
13063 lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
13064 else
13065 lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
13066
13067 REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
13068 lss_status = (wb_data[0] > 0);
13069
13070 bnx2x_analyze_link_error(params, vars, lss_status,
13071 PHY_HALF_OPEN_CONN_FLAG,
13072 LINK_STATUS_NONE, notify);
13073 }
13074 return 0;
13075 }
13076 static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
13077 struct link_params *params,
13078 struct link_vars *vars)
13079 {
13080 struct bnx2x *bp = params->bp;
13081 u32 cfg_pin, value = 0;
13082 u8 led_change, port = params->port;
13083
13084 /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
13085 cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
13086 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
13087 PORT_HW_CFG_E3_TX_FAULT_MASK) >>
13088 PORT_HW_CFG_E3_TX_FAULT_SHIFT;
13089
13090 if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
13091 DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
13092 return;
13093 }
13094
13095 led_change = bnx2x_analyze_link_error(params, vars, value,
13096 PHY_SFP_TX_FAULT_FLAG,
13097 LINK_STATUS_SFP_TX_FAULT, 1);
13098
13099 if (led_change) {
13100 /* Change TX_Fault led, set link status for further syncs */
13101 u8 led_mode;
13102
13103 if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
13104 led_mode = MISC_REGISTERS_GPIO_HIGH;
13105 vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
13106 } else {
13107 led_mode = MISC_REGISTERS_GPIO_LOW;
13108 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13109 }
13110
13111 /* If module is unapproved, led should be on regardless */
13112 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
13113 DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
13114 led_mode);
13115 bnx2x_set_e3_module_fault_led(params, led_mode);
13116 }
13117 }
13118 }
13119 void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
13120 {
13121 u16 phy_idx;
13122 struct bnx2x *bp = params->bp;
13123 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
13124 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
13125 bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
13126 if (bnx2x_check_half_open_conn(params, vars, 1) !=
13127 0)
13128 DP(NETIF_MSG_LINK, "Fault detection failed\n");
13129 break;
13130 }
13131 }
13132
13133 if (CHIP_IS_E3(bp)) {
13134 struct bnx2x_phy *phy = &params->phy[INT_PHY];
13135 bnx2x_set_aer_mmd(params, phy);
13136 bnx2x_check_over_curr(params, vars);
13137 if (vars->rx_tx_asic_rst)
13138 bnx2x_warpcore_config_runtime(phy, params, vars);
13139
13140 if ((REG_RD(bp, params->shmem_base +
13141 offsetof(struct shmem_region, dev_info.
13142 port_hw_config[params->port].default_cfg))
13143 & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
13144 PORT_HW_CFG_NET_SERDES_IF_SFI) {
13145 if (bnx2x_is_sfp_module_plugged(phy, params)) {
13146 bnx2x_sfp_tx_fault_detection(phy, params, vars);
13147 } else if (vars->link_status &
13148 LINK_STATUS_SFP_TX_FAULT) {
13149 /* Clean trail, interrupt corrects the leds */
13150 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13151 vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
13152 /* Update link status in the shared memory */
13153 bnx2x_update_mng(params, vars->link_status);
13154 }
13155 }
13156
13157 }
13158
13159 }
13160
13161 u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
13162 {
13163 u8 phy_index;
13164 struct bnx2x_phy phy;
13165 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
13166 phy_index++) {
13167 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13168 0, &phy) != 0) {
13169 DP(NETIF_MSG_LINK, "populate phy failed\n");
13170 return 0;
13171 }
13172
13173 if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
13174 return 1;
13175 }
13176 return 0;
13177 }
13178
13179 u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
13180 u32 shmem_base,
13181 u32 shmem2_base,
13182 u8 port)
13183 {
13184 u8 phy_index, fan_failure_det_req = 0;
13185 struct bnx2x_phy phy;
13186 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13187 phy_index++) {
13188 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13189 port, &phy)
13190 != 0) {
13191 DP(NETIF_MSG_LINK, "populate phy failed\n");
13192 return 0;
13193 }
13194 fan_failure_det_req |= (phy.flags &
13195 FLAGS_FAN_FAILURE_DET_REQ);
13196 }
13197 return fan_failure_det_req;
13198 }
13199
13200 void bnx2x_hw_reset_phy(struct link_params *params)
13201 {
13202 u8 phy_index;
13203 struct bnx2x *bp = params->bp;
13204 bnx2x_update_mng(params, 0);
13205 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
13206 (NIG_MASK_XGXS0_LINK_STATUS |
13207 NIG_MASK_XGXS0_LINK10G |
13208 NIG_MASK_SERDES0_LINK_STATUS |
13209 NIG_MASK_MI_INT));
13210
13211 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
13212 phy_index++) {
13213 if (params->phy[phy_index].hw_reset) {
13214 params->phy[phy_index].hw_reset(
13215 &params->phy[phy_index],
13216 params);
13217 params->phy[phy_index] = phy_null;
13218 }
13219 }
13220 }
13221
13222 void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
13223 u32 chip_id, u32 shmem_base, u32 shmem2_base,
13224 u8 port)
13225 {
13226 u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
13227 u32 val;
13228 u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
13229 if (CHIP_IS_E3(bp)) {
13230 if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
13231 shmem_base,
13232 port,
13233 &gpio_num,
13234 &gpio_port) != 0)
13235 return;
13236 } else {
13237 struct bnx2x_phy phy;
13238 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13239 phy_index++) {
13240 if (bnx2x_populate_phy(bp, phy_index, shmem_base,
13241 shmem2_base, port, &phy)
13242 != 0) {
13243 DP(NETIF_MSG_LINK, "populate phy failed\n");
13244 return;
13245 }
13246 if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
13247 gpio_num = MISC_REGISTERS_GPIO_3;
13248 gpio_port = port;
13249 break;
13250 }
13251 }
13252 }
13253
13254 if (gpio_num == 0xff)
13255 return;
13256
13257 /* Set GPIO3 to trigger SFP+ module insertion/removal */
13258 bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
13259
13260 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13261 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13262 gpio_port ^= (swap_val && swap_override);
13263
13264 vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
13265 (gpio_num + (gpio_port << 2));
13266
13267 sync_offset = shmem_base +
13268 offsetof(struct shmem_region,
13269 dev_info.port_hw_config[port].aeu_int_mask);
13270 REG_WR(bp, sync_offset, vars->aeu_int_mask);
13271
13272 DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
13273 gpio_num, gpio_port, vars->aeu_int_mask);
13274
13275 if (port == 0)
13276 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
13277 else
13278 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
13279
13280 /* Open appropriate AEU for interrupts */
13281 aeu_mask = REG_RD(bp, offset);
13282 aeu_mask |= vars->aeu_int_mask;
13283 REG_WR(bp, offset, aeu_mask);
13284
13285 /* Enable the GPIO to trigger interrupt */
13286 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
13287 val |= 1 << (gpio_num + (gpio_port << 2));
13288 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
13289 }
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