1 /* Copyright 2008-2012 Broadcom Corporation
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").
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
13 * Written by Yaniv Rosner
17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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>
28 #include "bnx2x_cmn.h"
30 /********************************************************/
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
39 #define I2C_SWITCH_WIDTH 2
42 #define I2C_WA_RETRY_CNT 3
43 #define MCPR_IMC_COMMAND_READ_OP 1
44 #define MCPR_IMC_COMMAND_WRITE_OP 2
46 /* LED Blink rate that will achieve ~15.9Hz */
47 #define LED_BLINK_RATE_VAL_E3 354
48 #define LED_BLINK_RATE_VAL_E1X_E2 480
49 /***********************************************************/
50 /* Shortcut definitions */
51 /***********************************************************/
53 #define NIG_LATCH_BC_ENABLE_MI_INT 0
55 #define NIG_STATUS_EMAC0_MI_INT \
56 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
57 #define NIG_STATUS_XGXS0_LINK10G \
58 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
59 #define NIG_STATUS_XGXS0_LINK_STATUS \
60 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
61 #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
62 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
63 #define NIG_STATUS_SERDES0_LINK_STATUS \
64 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
65 #define NIG_MASK_MI_INT \
66 NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
67 #define NIG_MASK_XGXS0_LINK10G \
68 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
69 #define NIG_MASK_XGXS0_LINK_STATUS \
70 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
71 #define NIG_MASK_SERDES0_LINK_STATUS \
72 NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
74 #define MDIO_AN_CL73_OR_37_COMPLETE \
75 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
76 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
78 #define XGXS_RESET_BITS \
79 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
80 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
81 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
82 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
83 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
85 #define SERDES_RESET_BITS \
86 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
87 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
88 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
89 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
91 #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
92 #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
93 #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
94 #define AUTONEG_PARALLEL \
95 SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
96 #define AUTONEG_SGMII_FIBER_AUTODET \
97 SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
98 #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
100 #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
101 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
102 #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
103 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
104 #define GP_STATUS_SPEED_MASK \
105 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
106 #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
107 #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
108 #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
109 #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
110 #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
111 #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
112 #define GP_STATUS_10G_HIG \
113 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
114 #define GP_STATUS_10G_CX4 \
115 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
116 #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
117 #define GP_STATUS_10G_KX4 \
118 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
119 #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
120 #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
121 #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
122 #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
123 #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
124 #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
125 #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
126 #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
127 #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
128 #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
129 #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
130 #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
131 #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
132 #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
133 #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
134 #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
135 #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
136 #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
137 #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
141 #define SFP_EEPROM_CON_TYPE_ADDR 0x2
142 #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
143 #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
146 #define SFP_EEPROM_COMP_CODE_ADDR 0x3
147 #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
148 #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
149 #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
151 #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
152 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
153 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
155 #define SFP_EEPROM_OPTIONS_ADDR 0x40
156 #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
157 #define SFP_EEPROM_OPTIONS_SIZE 2
159 #define EDC_MODE_LINEAR 0x0022
160 #define EDC_MODE_LIMITING 0x0044
161 #define EDC_MODE_PASSIVE_DAC 0x0055
163 /* BRB default for class 0 E2 */
164 #define DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR 170
165 #define DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR 250
166 #define DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR 10
167 #define DEFAULT0_E2_BRB_MAC_FULL_XON_THR 50
169 /* BRB thresholds for E2*/
170 #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
171 #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
173 #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
174 #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
176 #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
177 #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
179 #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
180 #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
182 /* BRB default for class 0 E3A0 */
183 #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR 290
184 #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR 410
185 #define DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR 10
186 #define DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR 50
188 /* BRB thresholds for E3A0 */
189 #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
190 #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
192 #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
193 #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
195 #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
196 #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
198 #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
199 #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
201 /* BRB default for E3B0 */
202 #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR 330
203 #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR 490
204 #define DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR 15
205 #define DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR 55
207 /* BRB thresholds for E3B0 2 port mode*/
208 #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
209 #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
211 #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
212 #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
214 #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
215 #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
217 #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
218 #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
221 #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
222 #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
224 /* Lossy +Lossless GUARANTIED == GUART */
225 #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
226 /* Lossless +Lossless*/
227 #define PFC_E3B0_2P_PAUSE_LB_GUART 236
229 #define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
232 #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
233 /* Lossless +Lossless*/
234 #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
236 #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
237 #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
239 #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
240 #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
242 /* BRB thresholds for E3B0 4 port mode */
243 #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
244 #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
246 #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
247 #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
249 #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
250 #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
252 #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
253 #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
256 #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
257 #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
258 #define PFC_E3B0_4P_LB_GUART 120
260 #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
261 #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
263 #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
264 #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
267 #define DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR 330
268 #define DEFAULT_E3B0_BRB_FULL_LB_XON_THR 490
269 #define DEFAULT_E3B0_LB_GUART 40
271 #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART 40
272 #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST 0
274 #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART 40
275 #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST 0
278 #define DCBX_INVALID_COS (0xFF)
280 #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
281 #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
282 #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
283 #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
284 #define ETS_E3B0_PBF_MIN_W_VAL (10000)
286 #define MAX_PACKET_SIZE (9700)
287 #define WC_UC_TIMEOUT 100
288 #define MAX_KR_LINK_RETRY 4
290 /**********************************************************/
292 /**********************************************************/
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)), \
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)), \
306 static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
308 u32 val = REG_RD(bp, reg);
311 REG_WR(bp, reg, val);
315 static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
317 u32 val = REG_RD(bp, reg);
320 REG_WR(bp, reg, val);
324 /******************************************************************/
325 /* EPIO/GPIO section */
326 /******************************************************************/
327 static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
329 u32 epio_mask, gp_oenable;
333 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
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);
342 *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
344 static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
346 u32 epio_mask, gp_output, gp_oenable;
350 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
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);
358 gp_output |= epio_mask;
360 gp_output &= ~epio_mask;
362 REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
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);
369 static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
371 if (pin_cfg == PIN_CFG_NA)
373 if (pin_cfg >= PIN_CFG_EPIO0) {
374 bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
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);
382 static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
384 if (pin_cfg == PIN_CFG_NA)
386 if (pin_cfg >= PIN_CFG_EPIO0) {
387 bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
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);
396 /******************************************************************/
398 /******************************************************************/
399 static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
401 /* ETS disabled configuration*/
402 struct bnx2x *bp = params->bp;
404 DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
406 /* mapping between entry priority to client number (0,1,2 -debug and
407 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
409 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
410 * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
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
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.
428 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
429 /* mapping between the CREDIT_WEIGHT registers and actual client
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);
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.
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);
452 /******************************************************************************
454 * Getting min_w_val will be set according to line speed .
456 ******************************************************************************/
457 static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
460 /* Calculate min_w_val.*/
462 if (vars->line_speed == SPEED_20000)
463 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
465 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
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.
473 /******************************************************************************
475 * Getting credit upper bound form min_w_val.
477 ******************************************************************************/
478 static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
480 const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
482 return credit_upper_bound;
484 /******************************************************************************
486 * Set credit upper bound for NIG.
488 ******************************************************************************/
489 static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
490 const struct link_params *params,
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);
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);
512 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
514 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
516 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
520 /******************************************************************************
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
527 ******************************************************************************/
528 static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
529 const struct link_vars *vars)
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
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);
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);
546 /* For strict priority entries defines the number of consecutive
547 * slots for the highest priority.
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
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);
560 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
562 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
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
573 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
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);
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
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);
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);
604 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
606 /******************************************************************************
608 * Set credit upper bound for PBF.
610 ******************************************************************************/
611 static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
612 const struct link_params *params,
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;
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.
626 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
627 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
629 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
630 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
633 for (i = 0; i < max_cos; i++)
634 REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
637 /******************************************************************************
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
644 ******************************************************************************/
645 static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
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;
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
659 /* 0x688 (|011|0 10|00 1|000) */
660 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
662 /* (10 1|100 |011|0 10|00 1|000) */
663 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
665 /* TODO_ETS - Should be done by reset value or init tool */
667 /* 0x688 (|011|0 10|00 1|000)*/
668 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
670 /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
671 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
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);
677 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
678 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
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.
686 base_weight = PBF_REG_COS0_WEIGHT_P0;
687 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
689 base_weight = PBF_REG_COS0_WEIGHT_P1;
690 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
693 for (i = 0; i < max_cos; i++)
694 REG_WR(bp, base_weight + (0x4 * i), 0);
696 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
698 /******************************************************************************
700 * E3B0 disable will return basicly the values to init values.
702 ******************************************************************************/
703 static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
704 const struct link_vars *vars)
706 struct bnx2x *bp = params->bp;
708 if (!CHIP_IS_E3B0(bp)) {
710 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
714 bnx2x_ets_e3b0_nig_disabled(params, vars);
716 bnx2x_ets_e3b0_pbf_disabled(params);
721 /******************************************************************************
723 * Disable will return basicly the values to init values.
725 ******************************************************************************/
726 int bnx2x_ets_disabled(struct link_params *params,
727 struct link_vars *vars)
729 struct bnx2x *bp = params->bp;
730 int bnx2x_status = 0;
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);
737 DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
744 /******************************************************************************
746 * Set the COS mappimg to SP and BW until this point all the COS are not
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)
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;
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);
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);
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);
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);
778 /******************************************************************************
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,
785 const u32 min_w_val_nig,
786 const u32 min_w_val_pbf,
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;
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;
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;
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;
817 pbf_reg_adress_crd_weight = (port) ?
818 PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
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;
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;
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;
844 REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
846 REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
850 /******************************************************************************
852 * Calculate the total BW.A value of 0 isn't legal.
854 ******************************************************************************/
855 static int bnx2x_ets_e3b0_get_total_bw(
856 const struct link_params *params,
857 struct bnx2x_ets_params *ets_params,
860 struct bnx2x *bp = params->bp;
862 u8 is_bw_cos_exist = 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) {
869 if (!ets_params->cos[cos_idx].params.bw_params.bw) {
870 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
872 /* This is to prevent a state when ramrods
875 ets_params->cos[cos_idx].params.bw_params.bw
879 ets_params->cos[cos_idx].params.bw_params.bw;
883 /* Check total BW is valid */
884 if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
885 if (*total_bw == 0) {
887 "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
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.
899 /******************************************************************************
901 * Invalidate all the sp_pri_to_cos.
903 ******************************************************************************/
904 static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
907 for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
908 sp_pri_to_cos[pri] = DCBX_INVALID_COS;
910 /******************************************************************************
912 * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
913 * according to sp_pri_to_cos.
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,
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;
925 if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
926 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
927 "parameter There can't be two COS's with "
928 "the same strict pri\n");
932 if (pri > max_num_of_cos) {
933 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
934 "parameter Illegal strict priority\n");
938 sp_pri_to_cos[pri] = cos_entry;
943 /******************************************************************************
945 * Returns the correct value according to COS and priority in
946 * the sp_pri_cli register.
948 ******************************************************************************/
949 static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
955 pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
956 (pri_set + pri_offset));
960 /******************************************************************************
962 * Returns the correct value according to COS and priority in the
963 * sp_pri_cli register for NIG.
965 ******************************************************************************/
966 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
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;
972 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
976 /******************************************************************************
978 * Returns the correct value according to COS and priority in the
979 * sp_pri_cli register for PBF.
981 ******************************************************************************/
982 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
984 const u8 pbf_cos_offset = 0;
985 const u8 pbf_pri_offset = 0;
987 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
992 /******************************************************************************
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)
997 ******************************************************************************/
998 static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
1001 struct bnx2x *bp = params->bp;
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;
1009 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1010 DCBX_E3B0_MAX_NUM_COS_PORT0;
1012 u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
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) {
1019 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1020 "invalid cos entry\n");
1024 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1025 sp_pri_to_cos[i], pri_set);
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)) {
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");
1038 cos_bit_to_set &= ~pri_bitmask;
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(
1052 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1054 /* COS is used remove it from bitmap.*/
1055 cos_bit_to_set &= ~pri_bitmask;
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");
1067 /* Only 6 usable clients*/
1068 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1071 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
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);
1077 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1079 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1082 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
1087 /******************************************************************************
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)
1095 struct bnx2x *bp = params->bp;
1096 int bnx2x_status = 0;
1097 const u8 port = params->port;
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;
1108 if (!CHIP_IS_E3B0(bp)) {
1110 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
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");
1120 /* Prepare sp strict priority parameters*/
1121 bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1123 /* Prepare BW parameters*/
1124 bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
1128 "bnx2x_ets_E3B0_config get_total_bw failed\n");
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).
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);
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
1145 bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
1146 bp, cos_entry, min_w_val_nig, min_w_val_pbf,
1148 ets_params->cos[cos_entry].params.bw_params.bw,
1150 } else if (bnx2x_cos_state_strict ==
1151 ets_params->cos[cos_entry].state){
1152 cos_sp_bitmap |= (1 << cos_entry);
1154 bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
1157 ets_params->cos[cos_entry].params.sp_params.pri,
1162 "bnx2x_ets_e3b0_config cos state not valid\n");
1167 "bnx2x_ets_e3b0_config set cos bw failed\n");
1168 return bnx2x_status;
1172 /* Set SP register (which COS has higher priority) */
1173 bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
1178 "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
1179 return bnx2x_status;
1182 /* Set client mapping of BW and strict */
1183 bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
1188 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
1189 return bnx2x_status;
1193 static void bnx2x_ets_bw_limit_common(const struct link_params *params)
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
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
1206 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1207 * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
1209 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
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);
1216 /* ETS mode enabled*/
1217 REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
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
1228 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
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);
1237 void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
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;
1246 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1251 DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
1255 cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1257 cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1260 bnx2x_ets_bw_limit_common(params);
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);
1265 REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
1266 REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
1269 int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
1271 /* ETS disabled configuration*/
1272 struct bnx2x *bp = params->bp;
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
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.
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);
1293 /* Defines the number of consecutive slots for the strict priority */
1294 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
1296 /* Mapping between entry priority to client number (0,1,2 -debug and
1297 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
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
1303 val = (!strict_cos) ? 0x2318 : 0x22E0;
1304 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
1308 /******************************************************************/
1310 /******************************************************************/
1311 static void bnx2x_update_pfc_xmac(struct link_params *params,
1312 struct link_vars *vars,
1315 struct bnx2x *bp = params->bp;
1317 u32 pause_val, pfc0_val, pfc1_val;
1319 /* XMAC base adrr */
1320 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1322 /* Initialize pause and pfc registers */
1323 pause_val = 0x18000;
1324 pfc0_val = 0xFFFF8000;
1327 /* No PFC support */
1328 if (!(params->feature_config_flags &
1329 FEATURE_CONFIG_PFC_ENABLED)) {
1331 /* RX flow control - Process pause frame in receive direction
1333 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1334 pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
1336 /* TX flow control - Send pause packet when buffer is full */
1337 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1338 pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
1339 } else {/* PFC support */
1340 pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
1341 XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
1342 XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
1343 XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
1344 XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1345 /* Write pause and PFC registers */
1346 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1347 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1348 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1349 pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1353 /* Write pause and PFC registers */
1354 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1355 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1356 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1359 /* Set MAC address for source TX Pause/PFC frames */
1360 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
1361 ((params->mac_addr[2] << 24) |
1362 (params->mac_addr[3] << 16) |
1363 (params->mac_addr[4] << 8) |
1364 (params->mac_addr[5])));
1365 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
1366 ((params->mac_addr[0] << 8) |
1367 (params->mac_addr[1])));
1373 static void bnx2x_emac_get_pfc_stat(struct link_params *params,
1374 u32 pfc_frames_sent[2],
1375 u32 pfc_frames_received[2])
1377 /* Read pfc statistic */
1378 struct bnx2x *bp = params->bp;
1379 u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1383 DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
1385 /* PFC received frames */
1386 val_xoff = REG_RD(bp, emac_base +
1387 EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
1388 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
1389 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
1390 val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
1392 pfc_frames_received[0] = val_xon + val_xoff;
1394 /* PFC received sent */
1395 val_xoff = REG_RD(bp, emac_base +
1396 EMAC_REG_RX_PFC_STATS_XOFF_SENT);
1397 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
1398 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
1399 val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
1401 pfc_frames_sent[0] = val_xon + val_xoff;
1404 /* Read pfc statistic*/
1405 void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
1406 u32 pfc_frames_sent[2],
1407 u32 pfc_frames_received[2])
1409 /* Read pfc statistic */
1410 struct bnx2x *bp = params->bp;
1412 DP(NETIF_MSG_LINK, "pfc statistic\n");
1417 if (vars->mac_type == MAC_TYPE_EMAC) {
1418 DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
1419 bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
1420 pfc_frames_received);
1423 /******************************************************************/
1424 /* MAC/PBF section */
1425 /******************************************************************/
1426 static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
1428 u32 mode, emac_base;
1429 /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
1430 * (a value of 49==0x31) and make sure that the AUTO poll is off
1434 emac_base = GRCBASE_EMAC0;
1436 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1437 mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
1438 mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
1439 EMAC_MDIO_MODE_CLOCK_CNT);
1440 if (USES_WARPCORE(bp))
1441 mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
1443 mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
1445 mode |= (EMAC_MDIO_MODE_CLAUSE_45);
1446 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
1450 static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
1452 u32 port4mode_ovwr_val;
1453 /* Check 4-port override enabled */
1454 port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
1455 if (port4mode_ovwr_val & (1<<0)) {
1456 /* Return 4-port mode override value */
1457 return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
1459 /* Return 4-port mode from input pin */
1460 return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
1463 static void bnx2x_emac_init(struct link_params *params,
1464 struct link_vars *vars)
1466 /* reset and unreset the emac core */
1467 struct bnx2x *bp = params->bp;
1468 u8 port = params->port;
1469 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1473 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1474 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1476 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1477 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1479 /* init emac - use read-modify-write */
1480 /* self clear reset */
1481 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1482 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
1486 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1487 DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
1489 DP(NETIF_MSG_LINK, "EMAC timeout!\n");
1493 } while (val & EMAC_MODE_RESET);
1494 bnx2x_set_mdio_clk(bp, params->chip_id, port);
1495 /* Set mac address */
1496 val = ((params->mac_addr[0] << 8) |
1497 params->mac_addr[1]);
1498 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
1500 val = ((params->mac_addr[2] << 24) |
1501 (params->mac_addr[3] << 16) |
1502 (params->mac_addr[4] << 8) |
1503 params->mac_addr[5]);
1504 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
1507 static void bnx2x_set_xumac_nig(struct link_params *params,
1511 struct bnx2x *bp = params->bp;
1513 REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
1515 REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
1517 REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
1518 NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
1521 static void bnx2x_umac_disable(struct link_params *params)
1523 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1524 struct bnx2x *bp = params->bp;
1525 if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
1526 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
1529 /* Disable RX and TX */
1530 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, 0);
1533 static void bnx2x_umac_enable(struct link_params *params,
1534 struct link_vars *vars, u8 lb)
1537 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1538 struct bnx2x *bp = params->bp;
1540 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1541 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1542 usleep_range(1000, 1000);
1544 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1545 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1547 DP(NETIF_MSG_LINK, "enabling UMAC\n");
1549 /* This register opens the gate for the UMAC despite its name */
1550 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
1552 val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
1553 UMAC_COMMAND_CONFIG_REG_PAD_EN |
1554 UMAC_COMMAND_CONFIG_REG_SW_RESET |
1555 UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
1556 switch (vars->line_speed) {
1570 DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
1574 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1575 val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
1577 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1578 val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
1580 if (vars->duplex == DUPLEX_HALF)
1581 val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
1583 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1586 /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
1587 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
1588 ((params->mac_addr[2] << 24) |
1589 (params->mac_addr[3] << 16) |
1590 (params->mac_addr[4] << 8) |
1591 (params->mac_addr[5])));
1592 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
1593 ((params->mac_addr[0] << 8) |
1594 (params->mac_addr[1])));
1596 /* Enable RX and TX */
1597 val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
1598 val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
1599 UMAC_COMMAND_CONFIG_REG_RX_ENA;
1600 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1603 /* Remove SW Reset */
1604 val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
1606 /* Check loopback mode */
1608 val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
1609 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1611 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
1612 * length used by the MAC receive logic to check frames.
1614 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
1615 bnx2x_set_xumac_nig(params,
1616 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1617 vars->mac_type = MAC_TYPE_UMAC;
1621 /* Define the XMAC mode */
1622 static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
1624 struct bnx2x *bp = params->bp;
1625 u32 is_port4mode = bnx2x_is_4_port_mode(bp);
1627 /* In 4-port mode, need to set the mode only once, so if XMAC is
1628 * already out of reset, it means the mode has already been set,
1629 * and it must not* reset the XMAC again, since it controls both
1633 if ((CHIP_NUM(bp) == CHIP_NUM_57840) &&
1634 (REG_RD(bp, MISC_REG_RESET_REG_2) &
1635 MISC_REGISTERS_RESET_REG_2_XMAC)) {
1637 "XMAC already out of reset in 4-port mode\n");
1642 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1643 MISC_REGISTERS_RESET_REG_2_XMAC);
1644 usleep_range(1000, 1000);
1646 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1647 MISC_REGISTERS_RESET_REG_2_XMAC);
1649 DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
1651 /* Set the number of ports on the system side to up to 2 */
1652 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
1654 /* Set the number of ports on the Warp Core to 10G */
1655 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1657 /* Set the number of ports on the system side to 1 */
1658 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
1659 if (max_speed == SPEED_10000) {
1661 "Init XMAC to 10G x 1 port per path\n");
1662 /* Set the number of ports on the Warp Core to 10G */
1663 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1666 "Init XMAC to 20G x 2 ports per path\n");
1667 /* Set the number of ports on the Warp Core to 20G */
1668 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
1672 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1673 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1674 usleep_range(1000, 1000);
1676 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1677 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1681 static void bnx2x_xmac_disable(struct link_params *params)
1683 u8 port = params->port;
1684 struct bnx2x *bp = params->bp;
1685 u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1687 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1688 MISC_REGISTERS_RESET_REG_2_XMAC) {
1689 /* Send an indication to change the state in the NIG back to XON
1690 * Clearing this bit enables the next set of this bit to get
1693 pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
1694 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1695 (pfc_ctrl & ~(1<<1)));
1696 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1697 (pfc_ctrl | (1<<1)));
1698 DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
1699 REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
1703 static int bnx2x_xmac_enable(struct link_params *params,
1704 struct link_vars *vars, u8 lb)
1707 struct bnx2x *bp = params->bp;
1708 DP(NETIF_MSG_LINK, "enabling XMAC\n");
1710 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1712 bnx2x_xmac_init(params, vars->line_speed);
1714 /* This register determines on which events the MAC will assert
1715 * error on the i/f to the NIG along w/ EOP.
1718 /* This register tells the NIG whether to send traffic to UMAC
1721 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
1723 /* Set Max packet size */
1724 REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
1726 /* CRC append for Tx packets */
1727 REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
1730 bnx2x_update_pfc_xmac(params, vars, 0);
1732 /* Enable TX and RX */
1733 val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
1735 /* Check loopback mode */
1737 val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
1738 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1739 bnx2x_set_xumac_nig(params,
1740 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1742 vars->mac_type = MAC_TYPE_XMAC;
1747 static int bnx2x_emac_enable(struct link_params *params,
1748 struct link_vars *vars, u8 lb)
1750 struct bnx2x *bp = params->bp;
1751 u8 port = params->port;
1752 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1755 DP(NETIF_MSG_LINK, "enabling EMAC\n");
1758 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1759 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1761 /* enable emac and not bmac */
1762 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
1765 if (vars->phy_flags & PHY_XGXS_FLAG) {
1766 u32 ser_lane = ((params->lane_config &
1767 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1768 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
1770 DP(NETIF_MSG_LINK, "XGXS\n");
1771 /* select the master lanes (out of 0-3) */
1772 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
1774 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
1776 } else { /* SerDes */
1777 DP(NETIF_MSG_LINK, "SerDes\n");
1779 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
1782 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1783 EMAC_RX_MODE_RESET);
1784 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1785 EMAC_TX_MODE_RESET);
1787 if (CHIP_REV_IS_SLOW(bp)) {
1788 /* config GMII mode */
1789 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1790 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
1792 /* pause enable/disable */
1793 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1794 EMAC_RX_MODE_FLOW_EN);
1796 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1797 (EMAC_TX_MODE_EXT_PAUSE_EN |
1798 EMAC_TX_MODE_FLOW_EN));
1799 if (!(params->feature_config_flags &
1800 FEATURE_CONFIG_PFC_ENABLED)) {
1801 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1802 bnx2x_bits_en(bp, emac_base +
1803 EMAC_REG_EMAC_RX_MODE,
1804 EMAC_RX_MODE_FLOW_EN);
1806 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1807 bnx2x_bits_en(bp, emac_base +
1808 EMAC_REG_EMAC_TX_MODE,
1809 (EMAC_TX_MODE_EXT_PAUSE_EN |
1810 EMAC_TX_MODE_FLOW_EN));
1812 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1813 EMAC_TX_MODE_FLOW_EN);
1816 /* KEEP_VLAN_TAG, promiscuous */
1817 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
1818 val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
1820 /* Setting this bit causes MAC control frames (except for pause
1821 * frames) to be passed on for processing. This setting has no
1822 * affect on the operation of the pause frames. This bit effects
1823 * all packets regardless of RX Parser packet sorting logic.
1824 * Turn the PFC off to make sure we are in Xon state before
1827 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
1828 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1829 DP(NETIF_MSG_LINK, "PFC is enabled\n");
1830 /* Enable PFC again */
1831 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
1832 EMAC_REG_RX_PFC_MODE_RX_EN |
1833 EMAC_REG_RX_PFC_MODE_TX_EN |
1834 EMAC_REG_RX_PFC_MODE_PRIORITIES);
1836 EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
1838 EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
1840 EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
1841 val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
1843 EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
1846 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1851 EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
1854 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
1856 /* enable emac for jumbo packets */
1857 EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
1858 (EMAC_RX_MTU_SIZE_JUMBO_ENA |
1859 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
1862 REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
1864 /* disable the NIG in/out to the bmac */
1865 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
1866 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
1867 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
1869 /* enable the NIG in/out to the emac */
1870 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
1872 if ((params->feature_config_flags &
1873 FEATURE_CONFIG_PFC_ENABLED) ||
1874 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1877 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
1878 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
1880 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
1882 vars->mac_type = MAC_TYPE_EMAC;
1886 static void bnx2x_update_pfc_bmac1(struct link_params *params,
1887 struct link_vars *vars)
1890 struct bnx2x *bp = params->bp;
1891 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1892 NIG_REG_INGRESS_BMAC0_MEM;
1895 if ((!(params->feature_config_flags &
1896 FEATURE_CONFIG_PFC_ENABLED)) &&
1897 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1898 /* Enable BigMAC to react on received Pause packets */
1902 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
1906 if (!(params->feature_config_flags &
1907 FEATURE_CONFIG_PFC_ENABLED) &&
1908 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1912 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
1915 static void bnx2x_update_pfc_bmac2(struct link_params *params,
1916 struct link_vars *vars,
1919 /* Set rx control: Strip CRC and enable BigMAC to relay
1920 * control packets to the system as well
1923 struct bnx2x *bp = params->bp;
1924 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1925 NIG_REG_INGRESS_BMAC0_MEM;
1928 if ((!(params->feature_config_flags &
1929 FEATURE_CONFIG_PFC_ENABLED)) &&
1930 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1931 /* Enable BigMAC to react on received Pause packets */
1935 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
1940 if (!(params->feature_config_flags &
1941 FEATURE_CONFIG_PFC_ENABLED) &&
1942 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1946 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
1948 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1949 DP(NETIF_MSG_LINK, "PFC is enabled\n");
1950 /* Enable PFC RX & TX & STATS and set 8 COS */
1952 wb_data[0] |= (1<<0); /* RX */
1953 wb_data[0] |= (1<<1); /* TX */
1954 wb_data[0] |= (1<<2); /* Force initial Xon */
1955 wb_data[0] |= (1<<3); /* 8 cos */
1956 wb_data[0] |= (1<<5); /* STATS */
1958 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
1960 /* Clear the force Xon */
1961 wb_data[0] &= ~(1<<2);
1963 DP(NETIF_MSG_LINK, "PFC is disabled\n");
1964 /* disable PFC RX & TX & STATS and set 8 COS */
1969 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
1971 /* Set Time (based unit is 512 bit time) between automatic
1972 * re-sending of PP packets amd enable automatic re-send of
1973 * Per-Priroity Packet as long as pp_gen is asserted and
1974 * pp_disable is low.
1977 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
1978 val |= (1<<16); /* enable automatic re-send */
1982 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
1986 val = 0x3; /* Enable RX and TX */
1988 val |= 0x4; /* Local loopback */
1989 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
1991 /* When PFC enabled, Pass pause frames towards the NIG. */
1992 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
1993 val |= ((1<<6)|(1<<5));
1997 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2000 /* PFC BRB internal port configuration params */
2001 struct bnx2x_pfc_brb_threshold_val {
2008 struct bnx2x_pfc_brb_e3b0_val {
2009 u32 per_class_guaranty_mode;
2010 u32 lb_guarantied_hyst;
2011 u32 full_lb_xoff_th;
2012 u32 full_lb_xon_threshold;
2014 u32 mac_0_class_t_guarantied;
2015 u32 mac_0_class_t_guarantied_hyst;
2016 u32 mac_1_class_t_guarantied;
2017 u32 mac_1_class_t_guarantied_hyst;
2020 struct bnx2x_pfc_brb_th_val {
2021 struct bnx2x_pfc_brb_threshold_val pauseable_th;
2022 struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
2023 struct bnx2x_pfc_brb_threshold_val default_class0;
2024 struct bnx2x_pfc_brb_threshold_val default_class1;
2027 static int bnx2x_pfc_brb_get_config_params(
2028 struct link_params *params,
2029 struct bnx2x_pfc_brb_th_val *config_val)
2031 struct bnx2x *bp = params->bp;
2032 DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
2034 config_val->default_class1.pause_xoff = 0;
2035 config_val->default_class1.pause_xon = 0;
2036 config_val->default_class1.full_xoff = 0;
2037 config_val->default_class1.full_xon = 0;
2039 if (CHIP_IS_E2(bp)) {
2040 /* Class0 defaults */
2041 config_val->default_class0.pause_xoff =
2042 DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR;
2043 config_val->default_class0.pause_xon =
2044 DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR;
2045 config_val->default_class0.full_xoff =
2046 DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR;
2047 config_val->default_class0.full_xon =
2048 DEFAULT0_E2_BRB_MAC_FULL_XON_THR;
2050 config_val->pauseable_th.pause_xoff =
2051 PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2052 config_val->pauseable_th.pause_xon =
2053 PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
2054 config_val->pauseable_th.full_xoff =
2055 PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
2056 config_val->pauseable_th.full_xon =
2057 PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
2059 config_val->non_pauseable_th.pause_xoff =
2060 PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2061 config_val->non_pauseable_th.pause_xon =
2062 PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2063 config_val->non_pauseable_th.full_xoff =
2064 PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2065 config_val->non_pauseable_th.full_xon =
2066 PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2067 } else if (CHIP_IS_E3A0(bp)) {
2068 /* Class0 defaults */
2069 config_val->default_class0.pause_xoff =
2070 DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR;
2071 config_val->default_class0.pause_xon =
2072 DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR;
2073 config_val->default_class0.full_xoff =
2074 DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR;
2075 config_val->default_class0.full_xon =
2076 DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR;
2078 config_val->pauseable_th.pause_xoff =
2079 PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2080 config_val->pauseable_th.pause_xon =
2081 PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
2082 config_val->pauseable_th.full_xoff =
2083 PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
2084 config_val->pauseable_th.full_xon =
2085 PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
2087 config_val->non_pauseable_th.pause_xoff =
2088 PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2089 config_val->non_pauseable_th.pause_xon =
2090 PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2091 config_val->non_pauseable_th.full_xoff =
2092 PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2093 config_val->non_pauseable_th.full_xon =
2094 PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2095 } else if (CHIP_IS_E3B0(bp)) {
2096 /* Class0 defaults */
2097 config_val->default_class0.pause_xoff =
2098 DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR;
2099 config_val->default_class0.pause_xon =
2100 DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR;
2101 config_val->default_class0.full_xoff =
2102 DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR;
2103 config_val->default_class0.full_xon =
2104 DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR;
2106 if (params->phy[INT_PHY].flags &
2107 FLAGS_4_PORT_MODE) {
2108 config_val->pauseable_th.pause_xoff =
2109 PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2110 config_val->pauseable_th.pause_xon =
2111 PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
2112 config_val->pauseable_th.full_xoff =
2113 PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
2114 config_val->pauseable_th.full_xon =
2115 PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
2117 config_val->non_pauseable_th.pause_xoff =
2118 PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2119 config_val->non_pauseable_th.pause_xon =
2120 PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2121 config_val->non_pauseable_th.full_xoff =
2122 PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2123 config_val->non_pauseable_th.full_xon =
2124 PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2126 config_val->pauseable_th.pause_xoff =
2127 PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2128 config_val->pauseable_th.pause_xon =
2129 PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
2130 config_val->pauseable_th.full_xoff =
2131 PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
2132 config_val->pauseable_th.full_xon =
2133 PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
2135 config_val->non_pauseable_th.pause_xoff =
2136 PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2137 config_val->non_pauseable_th.pause_xon =
2138 PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2139 config_val->non_pauseable_th.full_xoff =
2140 PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2141 config_val->non_pauseable_th.full_xon =
2142 PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2150 static void bnx2x_pfc_brb_get_e3b0_config_params(
2151 struct link_params *params,
2152 struct bnx2x_pfc_brb_e3b0_val
2154 struct bnx2x_nig_brb_pfc_port_params *pfc_params,
2155 const u8 pfc_enabled)
2157 if (pfc_enabled && pfc_params) {
2158 e3b0_val->per_class_guaranty_mode = 1;
2159 e3b0_val->lb_guarantied_hyst = 80;
2161 if (params->phy[INT_PHY].flags &
2162 FLAGS_4_PORT_MODE) {
2163 e3b0_val->full_lb_xoff_th =
2164 PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
2165 e3b0_val->full_lb_xon_threshold =
2166 PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
2167 e3b0_val->lb_guarantied =
2168 PFC_E3B0_4P_LB_GUART;
2169 e3b0_val->mac_0_class_t_guarantied =
2170 PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
2171 e3b0_val->mac_0_class_t_guarantied_hyst =
2172 PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
2173 e3b0_val->mac_1_class_t_guarantied =
2174 PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
2175 e3b0_val->mac_1_class_t_guarantied_hyst =
2176 PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
2178 e3b0_val->full_lb_xoff_th =
2179 PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
2180 e3b0_val->full_lb_xon_threshold =
2181 PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
2182 e3b0_val->mac_0_class_t_guarantied_hyst =
2183 PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
2184 e3b0_val->mac_1_class_t_guarantied =
2185 PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
2186 e3b0_val->mac_1_class_t_guarantied_hyst =
2187 PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
2189 if (pfc_params->cos0_pauseable !=
2190 pfc_params->cos1_pauseable) {
2191 /* nonpauseable= Lossy + pauseable = Lossless*/
2192 e3b0_val->lb_guarantied =
2193 PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
2194 e3b0_val->mac_0_class_t_guarantied =
2195 PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
2196 } else if (pfc_params->cos0_pauseable) {
2197 /* Lossless +Lossless*/
2198 e3b0_val->lb_guarantied =
2199 PFC_E3B0_2P_PAUSE_LB_GUART;
2200 e3b0_val->mac_0_class_t_guarantied =
2201 PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
2204 e3b0_val->lb_guarantied =
2205 PFC_E3B0_2P_NON_PAUSE_LB_GUART;
2206 e3b0_val->mac_0_class_t_guarantied =
2207 PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
2211 e3b0_val->per_class_guaranty_mode = 0;
2212 e3b0_val->lb_guarantied_hyst = 0;
2213 e3b0_val->full_lb_xoff_th =
2214 DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR;
2215 e3b0_val->full_lb_xon_threshold =
2216 DEFAULT_E3B0_BRB_FULL_LB_XON_THR;
2217 e3b0_val->lb_guarantied =
2218 DEFAULT_E3B0_LB_GUART;
2219 e3b0_val->mac_0_class_t_guarantied =
2220 DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART;
2221 e3b0_val->mac_0_class_t_guarantied_hyst =
2222 DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST;
2223 e3b0_val->mac_1_class_t_guarantied =
2224 DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART;
2225 e3b0_val->mac_1_class_t_guarantied_hyst =
2226 DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST;
2229 static int bnx2x_update_pfc_brb(struct link_params *params,
2230 struct link_vars *vars,
2231 struct bnx2x_nig_brb_pfc_port_params
2234 struct bnx2x *bp = params->bp;
2235 struct bnx2x_pfc_brb_th_val config_val = { {0} };
2236 struct bnx2x_pfc_brb_threshold_val *reg_th_config =
2237 &config_val.pauseable_th;
2238 struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
2239 const int set_pfc = params->feature_config_flags &
2240 FEATURE_CONFIG_PFC_ENABLED;
2241 const u8 pfc_enabled = (set_pfc && pfc_params);
2242 int bnx2x_status = 0;
2243 u8 port = params->port;
2245 /* default - pause configuration */
2246 reg_th_config = &config_val.pauseable_th;
2247 bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
2249 return bnx2x_status;
2253 if (pfc_params->cos0_pauseable)
2254 reg_th_config = &config_val.pauseable_th;
2256 reg_th_config = &config_val.non_pauseable_th;
2258 reg_th_config = &config_val.default_class0;
2259 /* The number of free blocks below which the pause signal to class 0
2260 * of MAC #n is asserted. n=0,1
2262 REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
2263 BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
2264 reg_th_config->pause_xoff);
2265 /* The number of free blocks above which the pause signal to class 0
2266 * of MAC #n is de-asserted. n=0,1
2268 REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
2269 BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
2270 /* The number of free blocks below which the full signal to class 0
2271 * of MAC #n is asserted. n=0,1
2273 REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
2274 BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
2275 /* The number of free blocks above which the full signal to class 0
2276 * of MAC #n is de-asserted. n=0,1
2278 REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
2279 BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
2283 if (pfc_params->cos1_pauseable)
2284 reg_th_config = &config_val.pauseable_th;
2286 reg_th_config = &config_val.non_pauseable_th;
2288 reg_th_config = &config_val.default_class1;
2289 /* The number of free blocks below which the pause signal to
2290 * class 1 of MAC #n is asserted. n=0,1
2292 REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
2293 BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
2294 reg_th_config->pause_xoff);
2296 /* The number of free blocks above which the pause signal to
2297 * class 1 of MAC #n is de-asserted. n=0,1
2299 REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
2300 BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
2301 reg_th_config->pause_xon);
2302 /* The number of free blocks below which the full signal to
2303 * class 1 of MAC #n is asserted. n=0,1
2305 REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
2306 BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
2307 reg_th_config->full_xoff);
2308 /* The number of free blocks above which the full signal to
2309 * class 1 of MAC #n is de-asserted. n=0,1
2311 REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
2312 BRB1_REG_FULL_1_XON_THRESHOLD_0,
2313 reg_th_config->full_xon);
2315 if (CHIP_IS_E3B0(bp)) {
2316 bnx2x_pfc_brb_get_e3b0_config_params(
2322 REG_WR(bp, BRB1_REG_PER_CLASS_GUARANTY_MODE,
2323 e3b0_val.per_class_guaranty_mode);
2325 /* The hysteresis on the guarantied buffer space for the Lb
2326 * port before signaling XON.
2328 REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST,
2329 e3b0_val.lb_guarantied_hyst);
2331 /* The number of free blocks below which the full signal to the
2332 * LB port is asserted.
2334 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
2335 e3b0_val.full_lb_xoff_th);
2336 /* The number of free blocks above which the full signal to the
2337 * LB port is de-asserted.
2339 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
2340 e3b0_val.full_lb_xon_threshold);
2341 /* The number of blocks guarantied for the MAC #n port. n=0,1
2344 /* The number of blocks guarantied for the LB port. */
2345 REG_WR(bp, BRB1_REG_LB_GUARANTIED,
2346 e3b0_val.lb_guarantied);
2348 /* The number of blocks guarantied for the MAC #n port. */
2349 REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
2350 2 * e3b0_val.mac_0_class_t_guarantied);
2351 REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
2352 2 * e3b0_val.mac_1_class_t_guarantied);
2353 /* The number of blocks guarantied for class #t in MAC0. t=0,1
2355 REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
2356 e3b0_val.mac_0_class_t_guarantied);
2357 REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
2358 e3b0_val.mac_0_class_t_guarantied);
2359 /* The hysteresis on the guarantied buffer space for class in
2362 REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
2363 e3b0_val.mac_0_class_t_guarantied_hyst);
2364 REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
2365 e3b0_val.mac_0_class_t_guarantied_hyst);
2367 /* The number of blocks guarantied for class #t in MAC1.t=0,1
2369 REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
2370 e3b0_val.mac_1_class_t_guarantied);
2371 REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
2372 e3b0_val.mac_1_class_t_guarantied);
2373 /* The hysteresis on the guarantied buffer space for class #t
2376 REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
2377 e3b0_val.mac_1_class_t_guarantied_hyst);
2378 REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
2379 e3b0_val.mac_1_class_t_guarantied_hyst);
2382 return bnx2x_status;
2385 /******************************************************************************
2387 * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2388 * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2389 ******************************************************************************/
2390 int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
2392 u32 priority_mask, u8 port)
2394 u32 nig_reg_rx_priority_mask_add = 0;
2396 switch (cos_entry) {
2398 nig_reg_rx_priority_mask_add = (port) ?
2399 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2400 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2403 nig_reg_rx_priority_mask_add = (port) ?
2404 NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2405 NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2408 nig_reg_rx_priority_mask_add = (port) ?
2409 NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2410 NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2415 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2420 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2425 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2429 REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
2433 static void bnx2x_update_mng(struct link_params *params, u32 link_status)
2435 struct bnx2x *bp = params->bp;
2437 REG_WR(bp, params->shmem_base +
2438 offsetof(struct shmem_region,
2439 port_mb[params->port].link_status), link_status);
2442 static void bnx2x_update_pfc_nig(struct link_params *params,
2443 struct link_vars *vars,
2444 struct bnx2x_nig_brb_pfc_port_params *nig_params)
2446 u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
2447 u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
2448 u32 pkt_priority_to_cos = 0;
2449 struct bnx2x *bp = params->bp;
2450 u8 port = params->port;
2452 int set_pfc = params->feature_config_flags &
2453 FEATURE_CONFIG_PFC_ENABLED;
2454 DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
2456 /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
2457 * MAC control frames (that are not pause packets)
2458 * will be forwarded to the XCM.
2460 xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
2461 NIG_REG_LLH0_XCM_MASK);
2462 /* NIG params will override non PFC params, since it's possible to
2463 * do transition from PFC to SAFC
2473 xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2474 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2479 llfc_out_en = nig_params->llfc_out_en;
2480 llfc_enable = nig_params->llfc_enable;
2481 pause_enable = nig_params->pause_enable;
2482 } else /* Default non PFC mode - PAUSE */
2485 xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2486 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2491 REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2492 NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
2493 REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
2494 NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2495 REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
2496 NIG_REG_LLFC_ENABLE_0, llfc_enable);
2497 REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
2498 NIG_REG_PAUSE_ENABLE_0, pause_enable);
2500 REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
2501 NIG_REG_PPP_ENABLE_0, ppp_enable);
2503 REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
2504 NIG_REG_LLH0_XCM_MASK, xcm_mask);
2506 REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
2507 NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
2509 /* output enable for RX_XCM # IF */
2510 REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
2511 NIG_REG_XCM0_OUT_EN, xcm_out_en);
2513 /* HW PFC TX enable */
2514 REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
2515 NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
2519 pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
2521 for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
2522 bnx2x_pfc_nig_rx_priority_mask(bp, i,
2523 nig_params->rx_cos_priority_mask[i], port);
2525 REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
2526 NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
2527 nig_params->llfc_high_priority_classes);
2529 REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
2530 NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
2531 nig_params->llfc_low_priority_classes);
2533 REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
2534 NIG_REG_P0_PKT_PRIORITY_TO_COS,
2535 pkt_priority_to_cos);
2538 int bnx2x_update_pfc(struct link_params *params,
2539 struct link_vars *vars,
2540 struct bnx2x_nig_brb_pfc_port_params *pfc_params)
2542 /* The PFC and pause are orthogonal to one another, meaning when
2543 * PFC is enabled, the pause are disabled, and when PFC is
2544 * disabled, pause are set according to the pause result.
2547 struct bnx2x *bp = params->bp;
2548 int bnx2x_status = 0;
2549 u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
2551 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2552 vars->link_status |= LINK_STATUS_PFC_ENABLED;
2554 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
2556 bnx2x_update_mng(params, vars->link_status);
2558 /* update NIG params */
2559 bnx2x_update_pfc_nig(params, vars, pfc_params);
2561 /* update BRB params */
2562 bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
2564 return bnx2x_status;
2567 return bnx2x_status;
2569 DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
2571 bnx2x_update_pfc_xmac(params, vars, 0);
2573 val = REG_RD(bp, MISC_REG_RESET_REG_2);
2575 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
2577 DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
2578 bnx2x_emac_enable(params, vars, 0);
2579 return bnx2x_status;
2582 bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
2584 bnx2x_update_pfc_bmac1(params, vars);
2587 if ((params->feature_config_flags &
2588 FEATURE_CONFIG_PFC_ENABLED) ||
2589 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2591 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2593 return bnx2x_status;
2597 static int bnx2x_bmac1_enable(struct link_params *params,
2598 struct link_vars *vars,
2601 struct bnx2x *bp = params->bp;
2602 u8 port = params->port;
2603 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2604 NIG_REG_INGRESS_BMAC0_MEM;
2608 DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
2613 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2617 wb_data[0] = ((params->mac_addr[2] << 24) |
2618 (params->mac_addr[3] << 16) |
2619 (params->mac_addr[4] << 8) |
2620 params->mac_addr[5]);
2621 wb_data[1] = ((params->mac_addr[0] << 8) |
2622 params->mac_addr[1]);
2623 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
2629 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2633 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
2636 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2638 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
2640 bnx2x_update_pfc_bmac1(params, vars);
2643 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2645 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
2647 /* set cnt max size */
2648 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2650 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2652 /* configure safc */
2653 wb_data[0] = 0x1000200;
2655 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2661 static int bnx2x_bmac2_enable(struct link_params *params,
2662 struct link_vars *vars,
2665 struct bnx2x *bp = params->bp;
2666 u8 port = params->port;
2667 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2668 NIG_REG_INGRESS_BMAC0_MEM;
2671 DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
2675 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2678 /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2681 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2687 wb_data[0] = ((params->mac_addr[2] << 24) |
2688 (params->mac_addr[3] << 16) |
2689 (params->mac_addr[4] << 8) |
2690 params->mac_addr[5]);
2691 wb_data[1] = ((params->mac_addr[0] << 8) |
2692 params->mac_addr[1]);
2693 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
2698 /* Configure SAFC */
2699 wb_data[0] = 0x1000200;
2701 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
2706 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2708 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
2712 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2714 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
2716 /* set cnt max size */
2717 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
2719 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2721 bnx2x_update_pfc_bmac2(params, vars, is_lb);
2726 static int bnx2x_bmac_enable(struct link_params *params,
2727 struct link_vars *vars,
2731 u8 port = params->port;
2732 struct bnx2x *bp = params->bp;
2734 /* reset and unreset the BigMac */
2735 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2736 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2739 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2740 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2742 /* enable access for bmac registers */
2743 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2745 /* Enable BMAC according to BMAC type*/
2747 rc = bnx2x_bmac2_enable(params, vars, is_lb);
2749 rc = bnx2x_bmac1_enable(params, vars, is_lb);
2750 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2751 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2752 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2754 if ((params->feature_config_flags &
2755 FEATURE_CONFIG_PFC_ENABLED) ||
2756 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2758 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2759 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2760 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2761 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2762 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2763 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2765 vars->mac_type = MAC_TYPE_BMAC;
2769 static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
2771 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2772 NIG_REG_INGRESS_BMAC0_MEM;
2774 u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
2776 /* Only if the bmac is out of reset */
2777 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
2778 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2781 if (CHIP_IS_E2(bp)) {
2782 /* Clear Rx Enable bit in BMAC_CONTROL register */
2783 REG_RD_DMAE(bp, bmac_addr +
2784 BIGMAC2_REGISTER_BMAC_CONTROL,
2786 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2787 REG_WR_DMAE(bp, bmac_addr +
2788 BIGMAC2_REGISTER_BMAC_CONTROL,
2791 /* Clear Rx Enable bit in BMAC_CONTROL register */
2792 REG_RD_DMAE(bp, bmac_addr +
2793 BIGMAC_REGISTER_BMAC_CONTROL,
2795 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2796 REG_WR_DMAE(bp, bmac_addr +
2797 BIGMAC_REGISTER_BMAC_CONTROL,
2804 static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
2807 struct bnx2x *bp = params->bp;
2808 u8 port = params->port;
2813 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2815 /* wait for init credit */
2816 init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
2817 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2818 DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
2820 while ((init_crd != crd) && count) {
2823 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2826 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2827 if (init_crd != crd) {
2828 DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
2833 if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
2834 line_speed == SPEED_10 ||
2835 line_speed == SPEED_100 ||
2836 line_speed == SPEED_1000 ||
2837 line_speed == SPEED_2500) {
2838 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
2839 /* update threshold */
2840 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
2841 /* update init credit */
2842 init_crd = 778; /* (800-18-4) */
2845 u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
2847 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
2848 /* update threshold */
2849 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
2850 /* update init credit */
2851 switch (line_speed) {
2853 init_crd = thresh + 553 - 22;
2856 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2861 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2862 DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
2863 line_speed, init_crd);
2865 /* probe the credit changes */
2866 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
2868 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
2871 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2876 * bnx2x_get_emac_base - retrive emac base address
2878 * @bp: driver handle
2879 * @mdc_mdio_access: access type
2882 * This function selects the MDC/MDIO access (through emac0 or
2883 * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2884 * phy has a default access mode, which could also be overridden
2885 * by nvram configuration. This parameter, whether this is the
2886 * default phy configuration, or the nvram overrun
2887 * configuration, is passed here as mdc_mdio_access and selects
2888 * the emac_base for the CL45 read/writes operations
2890 static u32 bnx2x_get_emac_base(struct bnx2x *bp,
2891 u32 mdc_mdio_access, u8 port)
2894 switch (mdc_mdio_access) {
2895 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
2897 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
2898 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2899 emac_base = GRCBASE_EMAC1;
2901 emac_base = GRCBASE_EMAC0;
2903 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
2904 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2905 emac_base = GRCBASE_EMAC0;
2907 emac_base = GRCBASE_EMAC1;
2909 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
2910 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2912 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
2913 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
2922 /******************************************************************/
2923 /* CL22 access functions */
2924 /******************************************************************/
2925 static int bnx2x_cl22_write(struct bnx2x *bp,
2926 struct bnx2x_phy *phy,
2932 /* Switch to CL22 */
2933 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2934 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2935 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2938 tmp = ((phy->addr << 21) | (reg << 16) | val |
2939 EMAC_MDIO_COMM_COMMAND_WRITE_22 |
2940 EMAC_MDIO_COMM_START_BUSY);
2941 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2943 for (i = 0; i < 50; i++) {
2946 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2947 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2952 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2953 DP(NETIF_MSG_LINK, "write phy register failed\n");
2956 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2960 static int bnx2x_cl22_read(struct bnx2x *bp,
2961 struct bnx2x_phy *phy,
2962 u16 reg, u16 *ret_val)
2968 /* Switch to CL22 */
2969 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2970 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2971 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2974 val = ((phy->addr << 21) | (reg << 16) |
2975 EMAC_MDIO_COMM_COMMAND_READ_22 |
2976 EMAC_MDIO_COMM_START_BUSY);
2977 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2979 for (i = 0; i < 50; i++) {
2982 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2983 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2984 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2989 if (val & EMAC_MDIO_COMM_START_BUSY) {
2990 DP(NETIF_MSG_LINK, "read phy register failed\n");
2995 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2999 /******************************************************************/
3000 /* CL45 access functions */
3001 /******************************************************************/
3002 static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
3003 u8 devad, u16 reg, u16 *ret_val)
3008 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3009 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3010 EMAC_MDIO_STATUS_10MB);
3012 val = ((phy->addr << 21) | (devad << 16) | reg |
3013 EMAC_MDIO_COMM_COMMAND_ADDRESS |
3014 EMAC_MDIO_COMM_START_BUSY);
3015 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
3017 for (i = 0; i < 50; i++) {
3020 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3021 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3026 if (val & EMAC_MDIO_COMM_START_BUSY) {
3027 DP(NETIF_MSG_LINK, "read phy register failed\n");
3028 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
3033 val = ((phy->addr << 21) | (devad << 16) |
3034 EMAC_MDIO_COMM_COMMAND_READ_45 |
3035 EMAC_MDIO_COMM_START_BUSY);
3036 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
3038 for (i = 0; i < 50; i++) {
3041 val = REG_RD(bp, phy->mdio_ctrl +
3042 EMAC_REG_EMAC_MDIO_COMM);
3043 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3044 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
3048 if (val & EMAC_MDIO_COMM_START_BUSY) {
3049 DP(NETIF_MSG_LINK, "read phy register failed\n");
3050 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
3055 /* Work around for E3 A0 */
3056 if (phy->flags & FLAGS_MDC_MDIO_WA) {
3057 phy->flags ^= FLAGS_DUMMY_READ;
3058 if (phy->flags & FLAGS_DUMMY_READ) {
3060 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
3064 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3065 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3066 EMAC_MDIO_STATUS_10MB);
3070 static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3071 u8 devad, u16 reg, u16 val)
3076 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3077 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3078 EMAC_MDIO_STATUS_10MB);
3081 tmp = ((phy->addr << 21) | (devad << 16) | reg |
3082 EMAC_MDIO_COMM_COMMAND_ADDRESS |
3083 EMAC_MDIO_COMM_START_BUSY);
3084 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3086 for (i = 0; i < 50; i++) {
3089 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3090 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3095 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3096 DP(NETIF_MSG_LINK, "write phy register failed\n");
3097 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
3101 tmp = ((phy->addr << 21) | (devad << 16) | val |
3102 EMAC_MDIO_COMM_COMMAND_WRITE_45 |
3103 EMAC_MDIO_COMM_START_BUSY);
3104 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3106 for (i = 0; i < 50; i++) {
3109 tmp = REG_RD(bp, phy->mdio_ctrl +
3110 EMAC_REG_EMAC_MDIO_COMM);
3111 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3116 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3117 DP(NETIF_MSG_LINK, "write phy register failed\n");
3118 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
3122 /* Work around for E3 A0 */
3123 if (phy->flags & FLAGS_MDC_MDIO_WA) {
3124 phy->flags ^= FLAGS_DUMMY_READ;
3125 if (phy->flags & FLAGS_DUMMY_READ) {
3127 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
3130 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3131 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3132 EMAC_MDIO_STATUS_10MB);
3135 /******************************************************************/
3136 /* BSC access functions from E3 */
3137 /******************************************************************/
3138 static void bnx2x_bsc_module_sel(struct link_params *params)
3141 u32 board_cfg, sfp_ctrl;
3142 u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3143 struct bnx2x *bp = params->bp;
3144 u8 port = params->port;
3145 /* Read I2C output PINs */
3146 board_cfg = REG_RD(bp, params->shmem_base +
3147 offsetof(struct shmem_region,
3148 dev_info.shared_hw_config.board));
3149 i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3150 i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3151 SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3153 /* Read I2C output value */
3154 sfp_ctrl = REG_RD(bp, params->shmem_base +
3155 offsetof(struct shmem_region,
3156 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3157 i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3158 i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3159 DP(NETIF_MSG_LINK, "Setting BSC switch\n");
3160 for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3161 bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
3164 static int bnx2x_bsc_read(struct link_params *params,
3165 struct bnx2x_phy *phy,
3174 struct bnx2x *bp = params->bp;
3176 if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
3177 DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
3181 if (xfer_cnt > 16) {
3182 DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
3186 bnx2x_bsc_module_sel(params);
3188 xfer_cnt = 16 - lc_addr;
3190 /* enable the engine */
3191 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3192 val |= MCPR_IMC_COMMAND_ENABLE;
3193 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3195 /* program slave device ID */
3196 val = (sl_devid << 16) | sl_addr;
3197 REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3199 /* start xfer with 0 byte to update the address pointer ???*/
3200 val = (MCPR_IMC_COMMAND_ENABLE) |
3201 (MCPR_IMC_COMMAND_WRITE_OP <<
3202 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3203 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3204 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3206 /* poll for completion */
3208 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3209 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3211 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3213 DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
3222 /* start xfer with read op */
3223 val = (MCPR_IMC_COMMAND_ENABLE) |
3224 (MCPR_IMC_COMMAND_READ_OP <<
3225 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3226 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3228 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3230 /* poll for completion */
3232 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3233 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3235 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3237 DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
3245 for (i = (lc_addr >> 2); i < 4; i++) {
3246 data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3248 data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3249 ((data_array[i] & 0x0000ff00) << 8) |
3250 ((data_array[i] & 0x00ff0000) >> 8) |
3251 ((data_array[i] & 0xff000000) >> 24);
3257 static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3258 u8 devad, u16 reg, u16 or_val)
3261 bnx2x_cl45_read(bp, phy, devad, reg, &val);
3262 bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
3265 int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
3266 u8 devad, u16 reg, u16 *ret_val)
3269 /* Probe for the phy according to the given phy_addr, and execute
3270 * the read request on it
3272 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3273 if (params->phy[phy_index].addr == phy_addr) {
3274 return bnx2x_cl45_read(params->bp,
3275 ¶ms->phy[phy_index], devad,
3282 int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
3283 u8 devad, u16 reg, u16 val)
3286 /* Probe for the phy according to the given phy_addr, and execute
3287 * the write request on it
3289 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3290 if (params->phy[phy_index].addr == phy_addr) {
3291 return bnx2x_cl45_write(params->bp,
3292 ¶ms->phy[phy_index], devad,
3298 static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
3299 struct link_params *params)
3302 struct bnx2x *bp = params->bp;
3303 u32 path_swap, path_swap_ovr;
3307 port = params->port;
3309 if (bnx2x_is_4_port_mode(bp)) {
3310 u32 port_swap, port_swap_ovr;
3312 /* Figure out path swap value */
3313 path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
3314 if (path_swap_ovr & 0x1)
3315 path_swap = (path_swap_ovr & 0x2);
3317 path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
3322 /* Figure out port swap value */
3323 port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
3324 if (port_swap_ovr & 0x1)
3325 port_swap = (port_swap_ovr & 0x2);
3327 port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
3332 lane = (port<<1) + path;
3333 } else { /* two port mode - no port swap */
3335 /* Figure out path swap value */
3337 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3338 if (path_swap_ovr & 0x1) {
3339 path_swap = (path_swap_ovr & 0x2);
3342 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
3352 static void bnx2x_set_aer_mmd(struct link_params *params,
3353 struct bnx2x_phy *phy)
3356 u16 offset, aer_val;
3357 struct bnx2x *bp = params->bp;
3358 ser_lane = ((params->lane_config &
3359 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3360 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3362 offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3363 (phy->addr + ser_lane) : 0;
3365 if (USES_WARPCORE(bp)) {
3366 aer_val = bnx2x_get_warpcore_lane(phy, params);
3367 /* In Dual-lane mode, two lanes are joined together,
3368 * so in order to configure them, the AER broadcast method is
3370 * 0x200 is the broadcast address for lanes 0,1
3371 * 0x201 is the broadcast address for lanes 2,3
3373 if (phy->flags & FLAGS_WC_DUAL_MODE)
3374 aer_val = (aer_val >> 1) | 0x200;
3375 } else if (CHIP_IS_E2(bp))
3376 aer_val = 0x3800 + offset - 1;
3378 aer_val = 0x3800 + offset;
3380 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3381 MDIO_AER_BLOCK_AER_REG, aer_val);
3385 /******************************************************************/
3386 /* Internal phy section */
3387 /******************************************************************/
3389 static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
3391 u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3394 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
3395 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
3397 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3400 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
3403 static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
3407 DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
3409 val = SERDES_RESET_BITS << (port*16);
3411 /* reset and unreset the SerDes/XGXS */
3412 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3414 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3416 bnx2x_set_serdes_access(bp, port);
3418 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3419 DEFAULT_PHY_DEV_ADDR);
3422 static void bnx2x_xgxs_deassert(struct link_params *params)
3424 struct bnx2x *bp = params->bp;
3427 DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
3428 port = params->port;
3430 val = XGXS_RESET_BITS << (port*16);
3432 /* reset and unreset the SerDes/XGXS */
3433 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3435 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3437 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
3438 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
3439 params->phy[INT_PHY].def_md_devad);
3442 static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
3443 struct link_params *params, u16 *ieee_fc)
3445 struct bnx2x *bp = params->bp;
3446 *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
3447 /* Resolve pause mode and advertisement Please refer to Table
3448 * 28B-3 of the 802.3ab-1999 spec
3451 switch (phy->req_flow_ctrl) {
3452 case BNX2X_FLOW_CTRL_AUTO:
3453 if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
3454 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3457 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3460 case BNX2X_FLOW_CTRL_TX:
3461 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3464 case BNX2X_FLOW_CTRL_RX:
3465 case BNX2X_FLOW_CTRL_BOTH:
3466 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3469 case BNX2X_FLOW_CTRL_NONE:
3471 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3474 DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
3477 static void set_phy_vars(struct link_params *params,
3478 struct link_vars *vars)
3480 struct bnx2x *bp = params->bp;
3481 u8 actual_phy_idx, phy_index, link_cfg_idx;
3482 u8 phy_config_swapped = params->multi_phy_config &
3483 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
3484 for (phy_index = INT_PHY; phy_index < params->num_phys;
3486 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
3487 actual_phy_idx = phy_index;
3488 if (phy_config_swapped) {
3489 if (phy_index == EXT_PHY1)
3490 actual_phy_idx = EXT_PHY2;
3491 else if (phy_index == EXT_PHY2)
3492 actual_phy_idx = EXT_PHY1;
3494 params->phy[actual_phy_idx].req_flow_ctrl =
3495 params->req_flow_ctrl[link_cfg_idx];
3497 params->phy[actual_phy_idx].req_line_speed =
3498 params->req_line_speed[link_cfg_idx];
3500 params->phy[actual_phy_idx].speed_cap_mask =
3501 params->speed_cap_mask[link_cfg_idx];
3503 params->phy[actual_phy_idx].req_duplex =
3504 params->req_duplex[link_cfg_idx];
3506 if (params->req_line_speed[link_cfg_idx] ==
3508 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3510 DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
3511 " speed_cap_mask %x\n",
3512 params->phy[actual_phy_idx].req_flow_ctrl,
3513 params->phy[actual_phy_idx].req_line_speed,
3514 params->phy[actual_phy_idx].speed_cap_mask);
3518 static void bnx2x_ext_phy_set_pause(struct link_params *params,
3519 struct bnx2x_phy *phy,
3520 struct link_vars *vars)
3523 struct bnx2x *bp = params->bp;
3524 /* read modify write pause advertizing */
3525 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3527 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3529 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3530 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3531 if ((vars->ieee_fc &
3532 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3533 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3534 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3536 if ((vars->ieee_fc &
3537 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3538 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3539 val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3541 DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3542 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3545 static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
3547 switch (pause_result) { /* ASYM P ASYM P */
3548 case 0xb: /* 1 0 1 1 */
3549 vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
3552 case 0xe: /* 1 1 1 0 */
3553 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3556 case 0x5: /* 0 1 0 1 */
3557 case 0x7: /* 0 1 1 1 */
3558 case 0xd: /* 1 1 0 1 */
3559 case 0xf: /* 1 1 1 1 */
3560 vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
3566 if (pause_result & (1<<0))
3567 vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3568 if (pause_result & (1<<1))
3569 vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
3573 static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
3574 struct link_params *params,
3575 struct link_vars *vars)
3577 u16 ld_pause; /* local */
3578 u16 lp_pause; /* link partner */
3580 struct bnx2x *bp = params->bp;
3581 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
3582 bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
3583 bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
3584 } else if (CHIP_IS_E3(bp) &&
3585 SINGLE_MEDIA_DIRECT(params)) {
3586 u8 lane = bnx2x_get_warpcore_lane(phy, params);
3587 u16 gp_status, gp_mask;
3588 bnx2x_cl45_read(bp, phy,
3589 MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
3591 gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
3592 MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
3594 if ((gp_status & gp_mask) == gp_mask) {
3595 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3596 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3597 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3598 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3600 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3601 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3602 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3603 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3604 ld_pause = ((ld_pause &
3605 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3607 lp_pause = ((lp_pause &
3608 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3612 bnx2x_cl45_read(bp, phy,
3614 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3615 bnx2x_cl45_read(bp, phy,
3617 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3619 pause_result = (ld_pause &
3620 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3621 pause_result |= (lp_pause &
3622 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3623 DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
3624 bnx2x_pause_resolve(vars, pause_result);
3628 static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3629 struct link_params *params,
3630 struct link_vars *vars)
3633 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3634 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
3635 /* Update the advertised flow-controled of LD/LP in AN */
3636 if (phy->req_line_speed == SPEED_AUTO_NEG)
3637 bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3638 /* But set the flow-control result as the requested one */
3639 vars->flow_ctrl = phy->req_flow_ctrl;
3640 } else if (phy->req_line_speed != SPEED_AUTO_NEG)
3641 vars->flow_ctrl = params->req_fc_auto_adv;
3642 else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3644 bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3648 /******************************************************************/
3649 /* Warpcore section */
3650 /******************************************************************/
3651 /* The init_internal_warpcore should mirror the xgxs,
3652 * i.e. reset the lane (if needed), set aer for the
3653 * init configuration, and set/clear SGMII flag. Internal
3654 * phy init is done purely in phy_init stage.
3656 static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
3657 struct link_params *params,
3658 struct link_vars *vars) {
3659 u16 val16 = 0, lane, bam37 = 0;
3660 struct bnx2x *bp = params->bp;
3661 DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
3662 /* Set to default registers that may be overriden by 10G force */
3663 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3664 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
3665 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3666 MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
3667 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3668 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0);
3669 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3670 MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff);
3671 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3672 MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555);
3673 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3674 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0);
3675 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3676 MDIO_WC_REG_RX66_CONTROL, 0x7415);
3677 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3678 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190);
3679 /* Disable Autoneg: re-enable it after adv is done. */
3680 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3681 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0);
3683 /* Check adding advertisement for 1G KX */
3684 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3685 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3686 (vars->line_speed == SPEED_1000)) {
3690 /* Enable CL37 1G Parallel Detect */
3691 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3692 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
3693 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3694 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3695 (sd_digital | 0x1));
3697 DP(NETIF_MSG_LINK, "Advertize 1G\n");
3699 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3700 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
3701 (vars->line_speed == SPEED_10000)) {
3702 /* Check adding advertisement for 10G KR */
3704 /* Enable 10G Parallel Detect */
3705 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3706 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
3708 DP(NETIF_MSG_LINK, "Advertize 10G\n");
3711 /* Set Transmit PMD settings */
3712 lane = bnx2x_get_warpcore_lane(phy, params);
3713 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3714 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3715 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3716 (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3717 (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
3718 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3719 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
3721 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3722 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
3725 /* Advertised speeds */
3726 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3727 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
3729 /* Advertised and set FEC (Forward Error Correction) */
3730 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3731 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
3732 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
3733 MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
3735 /* Enable CL37 BAM */
3736 if (REG_RD(bp, params->shmem_base +
3737 offsetof(struct shmem_region, dev_info.
3738 port_hw_config[params->port].default_cfg)) &
3739 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
3740 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3741 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
3742 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3743 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
3744 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
3747 /* Advertise pause */
3748 bnx2x_ext_phy_set_pause(params, phy, vars);
3749 /* Set KR Autoneg Work-Around flag for Warpcore version older than D108
3751 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3752 MDIO_WC_REG_UC_INFO_B1_VERSION, &val16);
3753 if (val16 < 0xd108) {
3754 DP(NETIF_MSG_LINK, "Enable AN KR work-around\n");
3755 vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
3757 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3758 MDIO_WC_REG_DIGITAL5_MISC7, &val16);
3760 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3761 MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
3763 /* Over 1G - AN local device user page 1 */
3764 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3765 MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
3767 /* Enable Autoneg */
3768 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3769 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
3773 static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
3774 struct link_params *params,
3775 struct link_vars *vars)
3777 struct bnx2x *bp = params->bp;
3780 /* Disable Autoneg */
3781 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3782 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
3784 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3785 MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
3787 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3788 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
3790 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3791 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
3793 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3794 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3796 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3797 MDIO_WC_REG_DIGITAL3_UP1, 0x1);
3799 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3800 MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
3802 /* Disable CL36 PCS Tx */
3803 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3804 MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
3806 /* Double Wide Single Data Rate @ pll rate */
3807 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3808 MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
3810 /* Leave cl72 training enable, needed for KR */
3811 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3812 MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
3815 /* Leave CL72 enabled */
3816 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3817 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3819 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3820 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3823 /* Set speed via PMA/PMD register */
3824 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3825 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
3827 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3828 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
3830 /* Enable encoded forced speed */
3831 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3832 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
3834 /* Turn TX scramble payload only the 64/66 scrambler */
3835 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3836 MDIO_WC_REG_TX66_CONTROL, 0x9);
3838 /* Turn RX scramble payload only the 64/66 scrambler */
3839 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3840 MDIO_WC_REG_RX66_CONTROL, 0xF9);
3842 /* set and clear loopback to cause a reset to 64/66 decoder */
3843 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3844 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
3845 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3846 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3850 static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
3851 struct link_params *params,
3854 struct bnx2x *bp = params->bp;
3855 u16 misc1_val, tap_val, tx_driver_val, lane, val;
3856 /* Hold rxSeqStart */
3857 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3858 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
3859 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3860 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
3862 /* Hold tx_fifo_reset */
3863 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3864 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
3865 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3866 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
3868 /* Disable CL73 AN */
3869 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
3871 /* Disable 100FX Enable and Auto-Detect */
3872 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3873 MDIO_WC_REG_FX100_CTRL1, &val);
3874 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3875 MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
3877 /* Disable 100FX Idle detect */
3878 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3879 MDIO_WC_REG_FX100_CTRL3, &val);
3880 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3881 MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
3883 /* Set Block address to Remote PHY & Clear forced_speed[5] */
3884 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3885 MDIO_WC_REG_DIGITAL4_MISC3, &val);
3886 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3887 MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
3889 /* Turn off auto-detect & fiber mode */
3890 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3891 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
3892 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3893 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3896 /* Set filter_force_link, disable_false_link and parallel_detect */
3897 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3898 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
3899 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3900 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3901 ((val | 0x0006) & 0xFFFE));
3904 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3905 MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
3907 misc1_val &= ~(0x1f);
3911 tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3912 (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3913 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
3915 ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3916 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3917 (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
3921 tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3922 (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3923 (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
3925 ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3926 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3927 (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
3929 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3930 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
3932 /* Set Transmit PMD settings */
3933 lane = bnx2x_get_warpcore_lane(phy, params);
3934 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3935 MDIO_WC_REG_TX_FIR_TAP,
3936 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
3937 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3938 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3941 /* Enable fiber mode, enable and invert sig_det */
3942 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3943 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
3944 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3945 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
3947 /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
3948 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3949 MDIO_WC_REG_DIGITAL4_MISC3, &val);
3950 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3951 MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
3953 /* 10G XFI Full Duplex */
3954 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3955 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
3957 /* Release tx_fifo_reset */
3958 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3959 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
3960 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3961 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
3963 /* Release rxSeqStart */
3964 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3965 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
3966 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3967 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
3970 static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
3971 struct bnx2x_phy *phy)
3973 DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
3976 static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
3977 struct bnx2x_phy *phy,
3980 /* Rx0 anaRxControl1G */
3981 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3982 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
3984 /* Rx2 anaRxControl1G */
3985 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3986 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
3988 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3989 MDIO_WC_REG_RX66_SCW0, 0xE070);
3991 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3992 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
3994 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3995 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
3997 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3998 MDIO_WC_REG_RX66_SCW3, 0x8090);
4000 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4001 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
4003 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4004 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
4006 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4007 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
4009 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4010 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
4012 /* Serdes Digital Misc1 */
4013 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4014 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
4016 /* Serdes Digital4 Misc3 */
4017 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4018 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
4020 /* Set Transmit PMD settings */
4021 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4022 MDIO_WC_REG_TX_FIR_TAP,
4023 ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
4024 (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
4025 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
4026 MDIO_WC_REG_TX_FIR_TAP_ENABLE));
4027 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4028 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4029 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
4030 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
4031 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
4034 static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
4035 struct link_params *params,
4039 struct bnx2x *bp = params->bp;
4040 u16 val16, digctrl_kx1, digctrl_kx2;
4042 /* Clear XFI clock comp in non-10G single lane mode. */
4043 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4044 MDIO_WC_REG_RX66_CONTROL, &val16);
4045 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4046 MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
4048 if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
4050 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4051 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4052 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4053 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4055 DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
4057 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4058 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4060 switch (phy->req_line_speed) {
4071 "Speed not supported: 0x%x\n", phy->req_line_speed);
4075 if (phy->req_duplex == DUPLEX_FULL)
4078 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4079 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
4081 DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
4082 phy->req_line_speed);
4083 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4084 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4085 DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
4088 /* SGMII Slave mode and disable signal detect */
4089 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4090 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
4094 digctrl_kx1 &= 0xff4a;
4096 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4097 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4100 /* Turn off parallel detect */
4101 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4102 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
4103 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4104 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4105 (digctrl_kx2 & ~(1<<2)));
4107 /* Re-enable parallel detect */
4108 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4109 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4110 (digctrl_kx2 | (1<<2)));
4112 /* Enable autodet */
4113 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4114 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4115 (digctrl_kx1 | 0x10));
4118 static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
4119 struct bnx2x_phy *phy,
4123 /* Take lane out of reset after configuration is finished */
4124 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4125 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4130 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4131 MDIO_WC_REG_DIGITAL5_MISC6, val);
4132 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4133 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4135 /* Clear SFI/XFI link settings registers */
4136 static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
4137 struct link_params *params,
4140 struct bnx2x *bp = params->bp;
4143 /* Set XFI clock comp as default. */
4144 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4145 MDIO_WC_REG_RX66_CONTROL, &val16);
4146 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4147 MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
4149 bnx2x_warpcore_reset_lane(bp, phy, 1);
4150 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
4151 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4152 MDIO_WC_REG_FX100_CTRL1, 0x014a);
4153 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4154 MDIO_WC_REG_FX100_CTRL3, 0x0800);
4155 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4156 MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
4157 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4158 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
4159 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4160 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
4161 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4162 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
4163 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4164 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
4165 lane = bnx2x_get_warpcore_lane(phy, params);
4166 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4167 MDIO_WC_REG_TX_FIR_TAP, 0x0000);
4168 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4169 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
4170 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4171 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
4172 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4173 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
4174 bnx2x_warpcore_reset_lane(bp, phy, 0);
4177 static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
4179 u32 shmem_base, u8 port,
4180 u8 *gpio_num, u8 *gpio_port)
4185 if (CHIP_IS_E3(bp)) {
4186 cfg_pin = (REG_RD(bp, shmem_base +
4187 offsetof(struct shmem_region,
4188 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4189 PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4190 PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4192 /* Should not happen. This function called upon interrupt
4193 * triggered by GPIO ( since EPIO can only generate interrupts
4195 * So if this function was called and none of the GPIOs was set,
4196 * it means the shit hit the fan.
4198 if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4199 (cfg_pin > PIN_CFG_GPIO3_P1)) {
4201 "ERROR: Invalid cfg pin %x for module detect indication\n",
4206 *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4207 *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4209 *gpio_num = MISC_REGISTERS_GPIO_3;
4212 DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
4216 static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
4217 struct link_params *params)
4219 struct bnx2x *bp = params->bp;
4220 u8 gpio_num, gpio_port;
4222 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
4223 params->shmem_base, params->port,
4224 &gpio_num, &gpio_port) != 0)
4226 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
4228 /* Call the handling function in case module is detected */
4234 static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
4235 struct link_params *params)
4237 u16 gp2_status_reg0, lane;
4238 struct bnx2x *bp = params->bp;
4240 lane = bnx2x_get_warpcore_lane(phy, params);
4242 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
4245 return (gp2_status_reg0 >> (8+lane)) & 0x1;
4248 static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
4249 struct link_params *params,
4250 struct link_vars *vars)
4252 struct bnx2x *bp = params->bp;
4254 u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
4255 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4257 vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
4259 if (!vars->turn_to_run_wc_rt)
4262 /* return if there is no link partner */
4263 if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
4264 DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
4268 if (vars->rx_tx_asic_rst) {
4269 serdes_net_if = (REG_RD(bp, params->shmem_base +
4270 offsetof(struct shmem_region, dev_info.
4271 port_hw_config[params->port].default_cfg)) &
4272 PORT_HW_CFG_NET_SERDES_IF_MASK);
4274 switch (serdes_net_if) {
4275 case PORT_HW_CFG_NET_SERDES_IF_KR:
4276 /* Do we get link yet? */
4277 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
4279 lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
4281 lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
4284 "gp_status1 0x%x\n", gp_status1);
4286 if (lnkup_kr || lnkup) {
4287 vars->rx_tx_asic_rst = 0;
4289 "link up, rx_tx_asic_rst 0x%x\n",
4290 vars->rx_tx_asic_rst);
4292 /* Reset the lane to see if link comes up.*/
4293 bnx2x_warpcore_reset_lane(bp, phy, 1);
4294 bnx2x_warpcore_reset_lane(bp, phy, 0);
4296 /* restart Autoneg */
4297 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4298 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4300 vars->rx_tx_asic_rst--;
4301 DP(NETIF_MSG_LINK, "0x%x retry left\n",
4302 vars->rx_tx_asic_rst);
4310 } /*params->rx_tx_asic_rst*/
4313 static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
4314 struct link_params *params,
4315 struct link_vars *vars)
4317 struct bnx2x *bp = params->bp;
4320 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4321 serdes_net_if = (REG_RD(bp, params->shmem_base +
4322 offsetof(struct shmem_region, dev_info.
4323 port_hw_config[params->port].default_cfg)) &
4324 PORT_HW_CFG_NET_SERDES_IF_MASK);
4325 DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
4326 "serdes_net_if = 0x%x\n",
4327 vars->line_speed, serdes_net_if);
4328 bnx2x_set_aer_mmd(params, phy);
4330 vars->phy_flags |= PHY_XGXS_FLAG;
4331 if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4332 (phy->req_line_speed &&
4333 ((phy->req_line_speed == SPEED_100) ||
4334 (phy->req_line_speed == SPEED_10)))) {
4335 vars->phy_flags |= PHY_SGMII_FLAG;
4336 DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
4337 bnx2x_warpcore_clear_regs(phy, params, lane);
4338 bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
4340 switch (serdes_net_if) {
4341 case PORT_HW_CFG_NET_SERDES_IF_KR:
4342 /* Enable KR Auto Neg */
4343 if (params->loopback_mode != LOOPBACK_EXT)
4344 bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4346 DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
4347 bnx2x_warpcore_set_10G_KR(phy, params, vars);
4351 case PORT_HW_CFG_NET_SERDES_IF_XFI:
4352 bnx2x_warpcore_clear_regs(phy, params, lane);
4353 if (vars->line_speed == SPEED_10000) {
4354 DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
4355 bnx2x_warpcore_set_10G_XFI(phy, params, 1);
4357 if (SINGLE_MEDIA_DIRECT(params)) {
4358 DP(NETIF_MSG_LINK, "1G Fiber\n");
4361 DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
4364 bnx2x_warpcore_set_sgmii_speed(phy,
4372 case PORT_HW_CFG_NET_SERDES_IF_SFI:
4374 bnx2x_warpcore_clear_regs(phy, params, lane);
4375 if (vars->line_speed == SPEED_10000) {
4376 DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
4377 bnx2x_warpcore_set_10G_XFI(phy, params, 0);
4378 } else if (vars->line_speed == SPEED_1000) {
4379 DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
4380 bnx2x_warpcore_set_sgmii_speed(
4383 /* Issue Module detection */
4384 if (bnx2x_is_sfp_module_plugged(phy, params))
4385 bnx2x_sfp_module_detection(phy, params);
4388 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4389 if (vars->line_speed != SPEED_20000) {
4390 DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4393 DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
4394 bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
4395 /* Issue Module detection */
4397 bnx2x_sfp_module_detection(phy, params);
4400 case PORT_HW_CFG_NET_SERDES_IF_KR2:
4401 if (vars->line_speed != SPEED_20000) {
4402 DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4405 DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
4406 bnx2x_warpcore_set_20G_KR2(bp, phy);
4411 "Unsupported Serdes Net Interface 0x%x\n",
4417 /* Take lane out of reset after configuration is finished */
4418 bnx2x_warpcore_reset_lane(bp, phy, 0);
4419 DP(NETIF_MSG_LINK, "Exit config init\n");
4422 static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
4423 struct bnx2x_phy *phy,
4426 struct bnx2x *bp = params->bp;
4428 u8 port = params->port;
4430 cfg_pin = REG_RD(bp, params->shmem_base +
4431 offsetof(struct shmem_region,
4432 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4433 PORT_HW_CFG_TX_LASER_MASK;
4434 /* Set the !tx_en since this pin is DISABLE_TX_LASER */
4435 DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
4436 /* For 20G, the expected pin to be used is 3 pins after the current */
4438 bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
4439 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4440 bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
4443 static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
4444 struct link_params *params)
4446 struct bnx2x *bp = params->bp;
4448 bnx2x_sfp_e3_set_transmitter(params, phy, 0);
4449 bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
4450 bnx2x_set_aer_mmd(params, phy);
4451 /* Global register */
4452 bnx2x_warpcore_reset_lane(bp, phy, 1);
4454 /* Clear loopback settings (if any) */
4456 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4457 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4458 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4459 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
4462 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4463 MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
4464 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4465 MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
4467 /* Update those 1-copy registers */
4468 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4469 MDIO_AER_BLOCK_AER_REG, 0);
4470 /* Enable 1G MDIO (1-copy) */
4471 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4472 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4474 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4475 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4478 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4479 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4480 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4481 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4486 static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
4487 struct link_params *params)
4489 struct bnx2x *bp = params->bp;
4492 DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
4493 params->loopback_mode, phy->req_line_speed);
4495 if (phy->req_line_speed < SPEED_10000) {
4498 /* Update those 1-copy registers */
4499 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4500 MDIO_AER_BLOCK_AER_REG, 0);
4501 /* Enable 1G MDIO (1-copy) */
4502 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4503 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4505 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4506 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4508 /* Set 1G loopback based on lane (1-copy) */
4509 lane = bnx2x_get_warpcore_lane(phy, params);
4510 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4511 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4512 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4513 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4516 /* Switch back to 4-copy registers */
4517 bnx2x_set_aer_mmd(params, phy);
4520 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4521 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4522 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4523 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
4526 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4527 MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
4528 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4529 MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
4534 void bnx2x_sync_link(struct link_params *params,
4535 struct link_vars *vars)
4537 struct bnx2x *bp = params->bp;
4539 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4540 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
4541 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
4542 if (vars->link_up) {
4543 DP(NETIF_MSG_LINK, "phy link up\n");
4545 vars->phy_link_up = 1;
4546 vars->duplex = DUPLEX_FULL;
4547 switch (vars->link_status &
4548 LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
4550 vars->duplex = DUPLEX_HALF;
4553 vars->line_speed = SPEED_10;
4557 vars->duplex = DUPLEX_HALF;
4561 vars->line_speed = SPEED_100;
4565 vars->duplex = DUPLEX_HALF;
4568 vars->line_speed = SPEED_1000;
4572 vars->duplex = DUPLEX_HALF;
4575 vars->line_speed = SPEED_2500;
4579 vars->line_speed = SPEED_10000;
4582 vars->line_speed = SPEED_20000;
4587 vars->flow_ctrl = 0;
4588 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
4589 vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
4591 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
4592 vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
4594 if (!vars->flow_ctrl)
4595 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4597 if (vars->line_speed &&
4598 ((vars->line_speed == SPEED_10) ||
4599 (vars->line_speed == SPEED_100))) {
4600 vars->phy_flags |= PHY_SGMII_FLAG;
4602 vars->phy_flags &= ~PHY_SGMII_FLAG;
4604 if (vars->line_speed &&
4605 USES_WARPCORE(bp) &&
4606 (vars->line_speed == SPEED_1000))
4607 vars->phy_flags |= PHY_SGMII_FLAG;
4608 /* anything 10 and over uses the bmac */
4609 link_10g_plus = (vars->line_speed >= SPEED_10000);
4611 if (link_10g_plus) {
4612 if (USES_WARPCORE(bp))
4613 vars->mac_type = MAC_TYPE_XMAC;
4615 vars->mac_type = MAC_TYPE_BMAC;
4617 if (USES_WARPCORE(bp))
4618 vars->mac_type = MAC_TYPE_UMAC;
4620 vars->mac_type = MAC_TYPE_EMAC;
4622 } else { /* link down */
4623 DP(NETIF_MSG_LINK, "phy link down\n");
4625 vars->phy_link_up = 0;
4627 vars->line_speed = 0;
4628 vars->duplex = DUPLEX_FULL;
4629 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4631 /* indicate no mac active */
4632 vars->mac_type = MAC_TYPE_NONE;
4633 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4634 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
4638 void bnx2x_link_status_update(struct link_params *params,
4639 struct link_vars *vars)
4641 struct bnx2x *bp = params->bp;
4642 u8 port = params->port;
4643 u32 sync_offset, media_types;
4644 /* Update PHY configuration */
4645 set_phy_vars(params, vars);
4647 vars->link_status = REG_RD(bp, params->shmem_base +
4648 offsetof(struct shmem_region,
4649 port_mb[port].link_status));
4651 vars->phy_flags = PHY_XGXS_FLAG;
4652 bnx2x_sync_link(params, vars);
4653 /* Sync media type */
4654 sync_offset = params->shmem_base +
4655 offsetof(struct shmem_region,
4656 dev_info.port_hw_config[port].media_type);
4657 media_types = REG_RD(bp, sync_offset);
4659 params->phy[INT_PHY].media_type =
4660 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
4661 PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
4662 params->phy[EXT_PHY1].media_type =
4663 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
4664 PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
4665 params->phy[EXT_PHY2].media_type =
4666 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
4667 PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
4668 DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
4670 /* Sync AEU offset */
4671 sync_offset = params->shmem_base +
4672 offsetof(struct shmem_region,
4673 dev_info.port_hw_config[port].aeu_int_mask);
4675 vars->aeu_int_mask = REG_RD(bp, sync_offset);
4677 /* Sync PFC status */
4678 if (vars->link_status & LINK_STATUS_PFC_ENABLED)
4679 params->feature_config_flags |=
4680 FEATURE_CONFIG_PFC_ENABLED;
4682 params->feature_config_flags &=
4683 ~FEATURE_CONFIG_PFC_ENABLED;
4685 DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
4686 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
4687 DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
4688 vars->line_speed, vars->duplex, vars->flow_ctrl);
4691 static void bnx2x_set_master_ln(struct link_params *params,
4692 struct bnx2x_phy *phy)
4694 struct bnx2x *bp = params->bp;
4695 u16 new_master_ln, ser_lane;
4696 ser_lane = ((params->lane_config &
4697 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
4698 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
4700 /* set the master_ln for AN */
4701 CL22_RD_OVER_CL45(bp, phy,
4702 MDIO_REG_BANK_XGXS_BLOCK2,
4703 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4706 CL22_WR_OVER_CL45(bp, phy,
4707 MDIO_REG_BANK_XGXS_BLOCK2 ,
4708 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4709 (new_master_ln | ser_lane));
4712 static int bnx2x_reset_unicore(struct link_params *params,
4713 struct bnx2x_phy *phy,
4716 struct bnx2x *bp = params->bp;
4719 CL22_RD_OVER_CL45(bp, phy,
4720 MDIO_REG_BANK_COMBO_IEEE0,
4721 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
4723 /* reset the unicore */
4724 CL22_WR_OVER_CL45(bp, phy,
4725 MDIO_REG_BANK_COMBO_IEEE0,
4726 MDIO_COMBO_IEEE0_MII_CONTROL,
4728 MDIO_COMBO_IEEO_MII_CONTROL_RESET));
4730 bnx2x_set_serdes_access(bp, params->port);
4732 /* wait for the reset to self clear */
4733 for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
4736 /* the reset erased the previous bank value */
4737 CL22_RD_OVER_CL45(bp, phy,
4738 MDIO_REG_BANK_COMBO_IEEE0,
4739 MDIO_COMBO_IEEE0_MII_CONTROL,
4742 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
4748 netdev_err(bp->dev, "Warning: PHY was not initialized,"
4751 DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
4756 static void bnx2x_set_swap_lanes(struct link_params *params,
4757 struct bnx2x_phy *phy)
4759 struct bnx2x *bp = params->bp;
4760 /* Each two bits represents a lane number:
4761 * No swap is 0123 => 0x1b no need to enable the swap
4763 u16 rx_lane_swap, tx_lane_swap;
4765 rx_lane_swap = ((params->lane_config &
4766 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
4767 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
4768 tx_lane_swap = ((params->lane_config &
4769 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
4770 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
4772 if (rx_lane_swap != 0x1b) {
4773 CL22_WR_OVER_CL45(bp, phy,
4774 MDIO_REG_BANK_XGXS_BLOCK2,
4775 MDIO_XGXS_BLOCK2_RX_LN_SWAP,
4777 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
4778 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
4780 CL22_WR_OVER_CL45(bp, phy,
4781 MDIO_REG_BANK_XGXS_BLOCK2,
4782 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
4785 if (tx_lane_swap != 0x1b) {
4786 CL22_WR_OVER_CL45(bp, phy,
4787 MDIO_REG_BANK_XGXS_BLOCK2,
4788 MDIO_XGXS_BLOCK2_TX_LN_SWAP,
4790 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
4792 CL22_WR_OVER_CL45(bp, phy,
4793 MDIO_REG_BANK_XGXS_BLOCK2,
4794 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
4798 static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
4799 struct link_params *params)
4801 struct bnx2x *bp = params->bp;
4803 CL22_RD_OVER_CL45(bp, phy,
4804 MDIO_REG_BANK_SERDES_DIGITAL,
4805 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4807 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
4808 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4810 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4811 DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
4812 phy->speed_cap_mask, control2);
4813 CL22_WR_OVER_CL45(bp, phy,
4814 MDIO_REG_BANK_SERDES_DIGITAL,
4815 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4818 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
4819 (phy->speed_cap_mask &
4820 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
4821 DP(NETIF_MSG_LINK, "XGXS\n");
4823 CL22_WR_OVER_CL45(bp, phy,
4824 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4825 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
4826 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
4828 CL22_RD_OVER_CL45(bp, phy,
4829 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4830 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4835 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
4837 CL22_WR_OVER_CL45(bp, phy,
4838 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4839 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4842 /* Disable parallel detection of HiG */
4843 CL22_WR_OVER_CL45(bp, phy,
4844 MDIO_REG_BANK_XGXS_BLOCK2,
4845 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
4846 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
4847 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
4851 static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
4852 struct link_params *params,
4853 struct link_vars *vars,
4856 struct bnx2x *bp = params->bp;
4860 CL22_RD_OVER_CL45(bp, phy,
4861 MDIO_REG_BANK_COMBO_IEEE0,
4862 MDIO_COMBO_IEEE0_MII_CONTROL, ®_val);
4864 /* CL37 Autoneg Enabled */
4865 if (vars->line_speed == SPEED_AUTO_NEG)
4866 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
4867 else /* CL37 Autoneg Disabled */
4868 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4869 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
4871 CL22_WR_OVER_CL45(bp, phy,
4872 MDIO_REG_BANK_COMBO_IEEE0,
4873 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
4875 /* Enable/Disable Autodetection */
4877 CL22_RD_OVER_CL45(bp, phy,
4878 MDIO_REG_BANK_SERDES_DIGITAL,
4879 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, ®_val);
4880 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
4881 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
4882 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
4883 if (vars->line_speed == SPEED_AUTO_NEG)
4884 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
4886 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
4888 CL22_WR_OVER_CL45(bp, phy,
4889 MDIO_REG_BANK_SERDES_DIGITAL,
4890 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
4892 /* Enable TetonII and BAM autoneg */
4893 CL22_RD_OVER_CL45(bp, phy,
4894 MDIO_REG_BANK_BAM_NEXT_PAGE,
4895 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
4897 if (vars->line_speed == SPEED_AUTO_NEG) {
4898 /* Enable BAM aneg Mode and TetonII aneg Mode */
4899 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
4900 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
4902 /* TetonII and BAM Autoneg Disabled */
4903 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
4904 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
4906 CL22_WR_OVER_CL45(bp, phy,
4907 MDIO_REG_BANK_BAM_NEXT_PAGE,
4908 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
4912 /* Enable Cl73 FSM status bits */
4913 CL22_WR_OVER_CL45(bp, phy,
4914 MDIO_REG_BANK_CL73_USERB0,
4915 MDIO_CL73_USERB0_CL73_UCTRL,
4918 /* Enable BAM Station Manager*/
4919 CL22_WR_OVER_CL45(bp, phy,
4920 MDIO_REG_BANK_CL73_USERB0,
4921 MDIO_CL73_USERB0_CL73_BAM_CTRL1,
4922 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
4923 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
4924 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
4926 /* Advertise CL73 link speeds */
4927 CL22_RD_OVER_CL45(bp, phy,
4928 MDIO_REG_BANK_CL73_IEEEB1,
4929 MDIO_CL73_IEEEB1_AN_ADV2,
4931 if (phy->speed_cap_mask &
4932 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
4933 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
4934 if (phy->speed_cap_mask &
4935 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
4936 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
4938 CL22_WR_OVER_CL45(bp, phy,
4939 MDIO_REG_BANK_CL73_IEEEB1,
4940 MDIO_CL73_IEEEB1_AN_ADV2,
4943 /* CL73 Autoneg Enabled */
4944 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
4946 } else /* CL73 Autoneg Disabled */
4949 CL22_WR_OVER_CL45(bp, phy,
4950 MDIO_REG_BANK_CL73_IEEEB0,
4951 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
4954 /* program SerDes, forced speed */
4955 static void bnx2x_program_serdes(struct bnx2x_phy *phy,
4956 struct link_params *params,
4957 struct link_vars *vars)
4959 struct bnx2x *bp = params->bp;
4962 /* program duplex, disable autoneg and sgmii*/
4963 CL22_RD_OVER_CL45(bp, phy,
4964 MDIO_REG_BANK_COMBO_IEEE0,
4965 MDIO_COMBO_IEEE0_MII_CONTROL, ®_val);
4966 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
4967 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4968 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
4969 if (phy->req_duplex == DUPLEX_FULL)
4970 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
4971 CL22_WR_OVER_CL45(bp, phy,
4972 MDIO_REG_BANK_COMBO_IEEE0,
4973 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
4976 * - needed only if the speed is greater than 1G (2.5G or 10G)
4978 CL22_RD_OVER_CL45(bp, phy,
4979 MDIO_REG_BANK_SERDES_DIGITAL,
4980 MDIO_SERDES_DIGITAL_MISC1, ®_val);
4981 /* clearing the speed value before setting the right speed */
4982 DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
4984 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
4985 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
4987 if (!((vars->line_speed == SPEED_1000) ||
4988 (vars->line_speed == SPEED_100) ||
4989 (vars->line_speed == SPEED_10))) {
4991 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
4992 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
4993 if (vars->line_speed == SPEED_10000)
4995 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
4998 CL22_WR_OVER_CL45(bp, phy,
4999 MDIO_REG_BANK_SERDES_DIGITAL,
5000 MDIO_SERDES_DIGITAL_MISC1, reg_val);
5004 static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
5005 struct link_params *params)
5007 struct bnx2x *bp = params->bp;
5010 /* set extended capabilities */
5011 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
5012 val |= MDIO_OVER_1G_UP1_2_5G;
5013 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5014 val |= MDIO_OVER_1G_UP1_10G;
5015 CL22_WR_OVER_CL45(bp, phy,
5016 MDIO_REG_BANK_OVER_1G,
5017 MDIO_OVER_1G_UP1, val);
5019 CL22_WR_OVER_CL45(bp, phy,
5020 MDIO_REG_BANK_OVER_1G,
5021 MDIO_OVER_1G_UP3, 0x400);
5024 static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
5025 struct link_params *params,
5028 struct bnx2x *bp = params->bp;
5030 /* for AN, we are always publishing full duplex */
5032 CL22_WR_OVER_CL45(bp, phy,
5033 MDIO_REG_BANK_COMBO_IEEE0,
5034 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
5035 CL22_RD_OVER_CL45(bp, phy,
5036 MDIO_REG_BANK_CL73_IEEEB1,
5037 MDIO_CL73_IEEEB1_AN_ADV1, &val);
5038 val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
5039 val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
5040 CL22_WR_OVER_CL45(bp, phy,
5041 MDIO_REG_BANK_CL73_IEEEB1,
5042 MDIO_CL73_IEEEB1_AN_ADV1, val);
5045 static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
5046 struct link_params *params,
5049 struct bnx2x *bp = params->bp;
5052 DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
5053 /* Enable and restart BAM/CL37 aneg */
5056 CL22_RD_OVER_CL45(bp, phy,
5057 MDIO_REG_BANK_CL73_IEEEB0,
5058 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5061 CL22_WR_OVER_CL45(bp, phy,
5062 MDIO_REG_BANK_CL73_IEEEB0,
5063 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5065 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
5066 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
5069 CL22_RD_OVER_CL45(bp, phy,
5070 MDIO_REG_BANK_COMBO_IEEE0,
5071 MDIO_COMBO_IEEE0_MII_CONTROL,
5074 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
5076 CL22_WR_OVER_CL45(bp, phy,
5077 MDIO_REG_BANK_COMBO_IEEE0,
5078 MDIO_COMBO_IEEE0_MII_CONTROL,
5080 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5081 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
5085 static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
5086 struct link_params *params,
5087 struct link_vars *vars)
5089 struct bnx2x *bp = params->bp;
5092 /* in SGMII mode, the unicore is always slave */
5094 CL22_RD_OVER_CL45(bp, phy,
5095 MDIO_REG_BANK_SERDES_DIGITAL,
5096 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5098 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
5099 /* set sgmii mode (and not fiber) */
5100 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
5101 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
5102 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
5103 CL22_WR_OVER_CL45(bp, phy,
5104 MDIO_REG_BANK_SERDES_DIGITAL,
5105 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5108 /* if forced speed */
5109 if (!(vars->line_speed == SPEED_AUTO_NEG)) {
5110 /* set speed, disable autoneg */
5113 CL22_RD_OVER_CL45(bp, phy,
5114 MDIO_REG_BANK_COMBO_IEEE0,
5115 MDIO_COMBO_IEEE0_MII_CONTROL,
5117 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5118 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
5119 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
5121 switch (vars->line_speed) {
5124 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
5128 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
5131 /* there is nothing to set for 10M */
5134 /* invalid speed for SGMII */
5135 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5140 /* setting the full duplex */
5141 if (phy->req_duplex == DUPLEX_FULL)
5143 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5144 CL22_WR_OVER_CL45(bp, phy,
5145 MDIO_REG_BANK_COMBO_IEEE0,
5146 MDIO_COMBO_IEEE0_MII_CONTROL,
5149 } else { /* AN mode */
5150 /* enable and restart AN */
5151 bnx2x_restart_autoneg(phy, params, 0);
5157 static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
5158 struct link_params *params)
5160 struct bnx2x *bp = params->bp;
5161 u16 pd_10g, status2_1000x;
5162 if (phy->req_line_speed != SPEED_AUTO_NEG)
5164 CL22_RD_OVER_CL45(bp, phy,
5165 MDIO_REG_BANK_SERDES_DIGITAL,
5166 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5168 CL22_RD_OVER_CL45(bp, phy,
5169 MDIO_REG_BANK_SERDES_DIGITAL,
5170 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5172 if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
5173 DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
5178 CL22_RD_OVER_CL45(bp, phy,
5179 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5180 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
5183 if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
5184 DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
5191 static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
5192 struct link_params *params,
5193 struct link_vars *vars,
5196 u16 ld_pause; /* local driver */
5197 u16 lp_pause; /* link partner */
5199 struct bnx2x *bp = params->bp;
5201 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5202 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
5203 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5204 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
5206 CL22_RD_OVER_CL45(bp, phy,
5207 MDIO_REG_BANK_CL73_IEEEB1,
5208 MDIO_CL73_IEEEB1_AN_ADV1,
5210 CL22_RD_OVER_CL45(bp, phy,
5211 MDIO_REG_BANK_CL73_IEEEB1,
5212 MDIO_CL73_IEEEB1_AN_LP_ADV1,
5214 pause_result = (ld_pause &
5215 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
5216 pause_result |= (lp_pause &
5217 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
5218 DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
5220 CL22_RD_OVER_CL45(bp, phy,
5221 MDIO_REG_BANK_COMBO_IEEE0,
5222 MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
5224 CL22_RD_OVER_CL45(bp, phy,
5225 MDIO_REG_BANK_COMBO_IEEE0,
5226 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
5228 pause_result = (ld_pause &
5229 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
5230 pause_result |= (lp_pause &
5231 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
5232 DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
5234 bnx2x_pause_resolve(vars, pause_result);
5238 static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
5239 struct link_params *params,
5240 struct link_vars *vars,
5243 struct bnx2x *bp = params->bp;
5244 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5246 /* resolve from gp_status in case of AN complete and not sgmii */
5247 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
5248 /* Update the advertised flow-controled of LD/LP in AN */
5249 if (phy->req_line_speed == SPEED_AUTO_NEG)
5250 bnx2x_update_adv_fc(phy, params, vars, gp_status);
5251 /* But set the flow-control result as the requested one */
5252 vars->flow_ctrl = phy->req_flow_ctrl;
5253 } else if (phy->req_line_speed != SPEED_AUTO_NEG)
5254 vars->flow_ctrl = params->req_fc_auto_adv;
5255 else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
5256 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
5257 if (bnx2x_direct_parallel_detect_used(phy, params)) {
5258 vars->flow_ctrl = params->req_fc_auto_adv;
5261 bnx2x_update_adv_fc(phy, params, vars, gp_status);
5263 DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
5266 static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
5267 struct link_params *params)
5269 struct bnx2x *bp = params->bp;
5270 u16 rx_status, ustat_val, cl37_fsm_received;
5271 DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
5272 /* Step 1: Make sure signal is detected */
5273 CL22_RD_OVER_CL45(bp, phy,
5277 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
5278 (MDIO_RX0_RX_STATUS_SIGDET)) {
5279 DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
5280 "rx_status(0x80b0) = 0x%x\n", rx_status);
5281 CL22_WR_OVER_CL45(bp, phy,
5282 MDIO_REG_BANK_CL73_IEEEB0,
5283 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5284 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
5287 /* Step 2: Check CL73 state machine */
5288 CL22_RD_OVER_CL45(bp, phy,
5289 MDIO_REG_BANK_CL73_USERB0,
5290 MDIO_CL73_USERB0_CL73_USTAT1,
5293 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5294 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
5295 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5296 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
5297 DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
5298 "ustat_val(0x8371) = 0x%x\n", ustat_val);
5301 /* Step 3: Check CL37 Message Pages received to indicate LP
5302 * supports only CL37
5304 CL22_RD_OVER_CL45(bp, phy,
5305 MDIO_REG_BANK_REMOTE_PHY,
5306 MDIO_REMOTE_PHY_MISC_RX_STATUS,
5307 &cl37_fsm_received);
5308 if ((cl37_fsm_received &
5309 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5310 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
5311 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5312 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
5313 DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
5314 "misc_rx_status(0x8330) = 0x%x\n",
5318 /* The combined cl37/cl73 fsm state information indicating that
5319 * we are connected to a device which does not support cl73, but
5320 * does support cl37 BAM. In this case we disable cl73 and
5321 * restart cl37 auto-neg
5325 CL22_WR_OVER_CL45(bp, phy,
5326 MDIO_REG_BANK_CL73_IEEEB0,
5327 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5329 /* Restart CL37 autoneg */
5330 bnx2x_restart_autoneg(phy, params, 0);
5331 DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
5334 static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
5335 struct link_params *params,
5336 struct link_vars *vars,
5339 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
5340 vars->link_status |=
5341 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5343 if (bnx2x_direct_parallel_detect_used(phy, params))
5344 vars->link_status |=
5345 LINK_STATUS_PARALLEL_DETECTION_USED;
5347 static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
5348 struct link_params *params,
5349 struct link_vars *vars,
5354 struct bnx2x *bp = params->bp;
5355 if (phy->req_line_speed == SPEED_AUTO_NEG)
5356 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
5358 DP(NETIF_MSG_LINK, "phy link up\n");
5360 vars->phy_link_up = 1;
5361 vars->link_status |= LINK_STATUS_LINK_UP;
5363 switch (speed_mask) {
5365 vars->line_speed = SPEED_10;
5366 if (vars->duplex == DUPLEX_FULL)
5367 vars->link_status |= LINK_10TFD;
5369 vars->link_status |= LINK_10THD;
5372 case GP_STATUS_100M:
5373 vars->line_speed = SPEED_100;
5374 if (vars->duplex == DUPLEX_FULL)
5375 vars->link_status |= LINK_100TXFD;
5377 vars->link_status |= LINK_100TXHD;
5381 case GP_STATUS_1G_KX:
5382 vars->line_speed = SPEED_1000;
5383 if (vars->duplex == DUPLEX_FULL)
5384 vars->link_status |= LINK_1000TFD;
5386 vars->link_status |= LINK_1000THD;
5389 case GP_STATUS_2_5G:
5390 vars->line_speed = SPEED_2500;
5391 if (vars->duplex == DUPLEX_FULL)
5392 vars->link_status |= LINK_2500TFD;
5394 vars->link_status |= LINK_2500THD;
5400 "link speed unsupported gp_status 0x%x\n",
5404 case GP_STATUS_10G_KX4:
5405 case GP_STATUS_10G_HIG:
5406 case GP_STATUS_10G_CX4:
5407 case GP_STATUS_10G_KR:
5408 case GP_STATUS_10G_SFI:
5409 case GP_STATUS_10G_XFI:
5410 vars->line_speed = SPEED_10000;
5411 vars->link_status |= LINK_10GTFD;
5413 case GP_STATUS_20G_DXGXS:
5414 vars->line_speed = SPEED_20000;
5415 vars->link_status |= LINK_20GTFD;
5419 "link speed unsupported gp_status 0x%x\n",
5423 } else { /* link_down */
5424 DP(NETIF_MSG_LINK, "phy link down\n");
5426 vars->phy_link_up = 0;
5428 vars->duplex = DUPLEX_FULL;
5429 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5430 vars->mac_type = MAC_TYPE_NONE;
5432 DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
5433 vars->phy_link_up, vars->line_speed);
5437 static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
5438 struct link_params *params,
5439 struct link_vars *vars)
5441 struct bnx2x *bp = params->bp;
5443 u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
5446 /* Read gp_status */
5447 CL22_RD_OVER_CL45(bp, phy,
5448 MDIO_REG_BANK_GP_STATUS,
5449 MDIO_GP_STATUS_TOP_AN_STATUS1,
5451 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
5452 duplex = DUPLEX_FULL;
5453 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
5455 speed_mask = gp_status & GP_STATUS_SPEED_MASK;
5456 DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
5457 gp_status, link_up, speed_mask);
5458 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
5463 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
5464 if (SINGLE_MEDIA_DIRECT(params)) {
5465 bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
5466 if (phy->req_line_speed == SPEED_AUTO_NEG)
5467 bnx2x_xgxs_an_resolve(phy, params, vars,
5470 } else { /* link_down */
5471 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5472 SINGLE_MEDIA_DIRECT(params)) {
5473 /* Check signal is detected */
5474 bnx2x_check_fallback_to_cl37(phy, params);
5478 /* Read LP advertised speeds*/
5479 if (SINGLE_MEDIA_DIRECT(params) &&
5480 (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
5483 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
5484 MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
5486 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5487 vars->link_status |=
5488 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5489 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5490 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5491 vars->link_status |=
5492 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5494 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
5495 MDIO_OVER_1G_LP_UP1, &val);
5497 if (val & MDIO_OVER_1G_UP1_2_5G)
5498 vars->link_status |=
5499 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5500 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5501 vars->link_status |=
5502 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5505 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5506 vars->duplex, vars->flow_ctrl, vars->link_status);
5510 static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
5511 struct link_params *params,
5512 struct link_vars *vars)
5514 struct bnx2x *bp = params->bp;
5516 u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
5518 lane = bnx2x_get_warpcore_lane(phy, params);
5519 /* Read gp_status */
5520 if (phy->req_line_speed > SPEED_10000) {
5522 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5524 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5526 DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
5527 temp_link_up, link_up);
5530 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5532 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5533 MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
5534 DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
5535 /* Check for either KR or generic link up. */
5536 gp_status1 = ((gp_status1 >> 8) & 0xf) |
5537 ((gp_status1 >> 12) & 0xf);
5538 link_up = gp_status1 & (1 << lane);
5539 if (link_up && SINGLE_MEDIA_DIRECT(params)) {
5541 if (phy->req_line_speed == SPEED_AUTO_NEG) {
5542 /* Check Autoneg complete */
5543 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5544 MDIO_WC_REG_GP2_STATUS_GP_2_4,
5546 if (gp_status4 & ((1<<12)<<lane))
5547 vars->link_status |=
5548 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5550 /* Check parallel detect used */
5551 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5552 MDIO_WC_REG_PAR_DET_10G_STATUS,
5555 vars->link_status |=
5556 LINK_STATUS_PARALLEL_DETECTION_USED;
5558 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5562 if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
5563 SINGLE_MEDIA_DIRECT(params)) {
5566 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5567 MDIO_AN_REG_LP_AUTO_NEG2, &val);
5569 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5570 vars->link_status |=
5571 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5572 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5573 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5574 vars->link_status |=
5575 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5577 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5578 MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
5580 if (val & MDIO_OVER_1G_UP1_2_5G)
5581 vars->link_status |=
5582 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5583 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5584 vars->link_status |=
5585 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5591 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5592 MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
5594 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5595 MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
5597 DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
5599 if ((lane & 1) == 0)
5604 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
5607 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5608 vars->duplex, vars->flow_ctrl, vars->link_status);
5611 static void bnx2x_set_gmii_tx_driver(struct link_params *params)
5613 struct bnx2x *bp = params->bp;
5614 struct bnx2x_phy *phy = ¶ms->phy[INT_PHY];
5620 CL22_RD_OVER_CL45(bp, phy,
5621 MDIO_REG_BANK_OVER_1G,
5622 MDIO_OVER_1G_LP_UP2, &lp_up2);
5624 /* bits [10:7] at lp_up2, positioned at [15:12] */
5625 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
5626 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
5627 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
5632 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
5633 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
5634 CL22_RD_OVER_CL45(bp, phy,
5636 MDIO_TX0_TX_DRIVER, &tx_driver);
5638 /* replace tx_driver bits [15:12] */
5640 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
5641 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
5642 tx_driver |= lp_up2;
5643 CL22_WR_OVER_CL45(bp, phy,
5645 MDIO_TX0_TX_DRIVER, tx_driver);
5650 static int bnx2x_emac_program(struct link_params *params,
5651 struct link_vars *vars)
5653 struct bnx2x *bp = params->bp;
5654 u8 port = params->port;
5657 DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
5658 bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
5660 (EMAC_MODE_25G_MODE |
5661 EMAC_MODE_PORT_MII_10M |
5662 EMAC_MODE_HALF_DUPLEX));
5663 switch (vars->line_speed) {
5665 mode |= EMAC_MODE_PORT_MII_10M;
5669 mode |= EMAC_MODE_PORT_MII;
5673 mode |= EMAC_MODE_PORT_GMII;
5677 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
5681 /* 10G not valid for EMAC */
5682 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5687 if (vars->duplex == DUPLEX_HALF)
5688 mode |= EMAC_MODE_HALF_DUPLEX;
5690 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
5693 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
5697 static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
5698 struct link_params *params)
5702 struct bnx2x *bp = params->bp;
5704 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
5705 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
5706 CL22_WR_OVER_CL45(bp, phy,
5708 MDIO_RX0_RX_EQ_BOOST,
5709 phy->rx_preemphasis[i]);
5712 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
5713 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
5714 CL22_WR_OVER_CL45(bp, phy,
5717 phy->tx_preemphasis[i]);
5721 static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
5722 struct link_params *params,
5723 struct link_vars *vars)
5725 struct bnx2x *bp = params->bp;
5726 u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
5727 (params->loopback_mode == LOOPBACK_XGXS));
5728 if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
5729 if (SINGLE_MEDIA_DIRECT(params) &&
5730 (params->feature_config_flags &
5731 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
5732 bnx2x_set_preemphasis(phy, params);
5734 /* forced speed requested? */
5735 if (vars->line_speed != SPEED_AUTO_NEG ||
5736 (SINGLE_MEDIA_DIRECT(params) &&
5737 params->loopback_mode == LOOPBACK_EXT)) {
5738 DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
5740 /* disable autoneg */
5741 bnx2x_set_autoneg(phy, params, vars, 0);
5743 /* program speed and duplex */
5744 bnx2x_program_serdes(phy, params, vars);
5746 } else { /* AN_mode */
5747 DP(NETIF_MSG_LINK, "not SGMII, AN\n");
5750 bnx2x_set_brcm_cl37_advertisement(phy, params);
5752 /* program duplex & pause advertisement (for aneg) */
5753 bnx2x_set_ieee_aneg_advertisement(phy, params,
5756 /* enable autoneg */
5757 bnx2x_set_autoneg(phy, params, vars, enable_cl73);
5759 /* enable and restart AN */
5760 bnx2x_restart_autoneg(phy, params, enable_cl73);
5763 } else { /* SGMII mode */
5764 DP(NETIF_MSG_LINK, "SGMII\n");
5766 bnx2x_initialize_sgmii_process(phy, params, vars);
5770 static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
5771 struct link_params *params,
5772 struct link_vars *vars)
5775 vars->phy_flags |= PHY_XGXS_FLAG;
5776 if ((phy->req_line_speed &&
5777 ((phy->req_line_speed == SPEED_100) ||
5778 (phy->req_line_speed == SPEED_10))) ||
5779 (!phy->req_line_speed &&
5780 (phy->speed_cap_mask >=
5781 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
5782 (phy->speed_cap_mask <
5783 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5784 (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
5785 vars->phy_flags |= PHY_SGMII_FLAG;
5787 vars->phy_flags &= ~PHY_SGMII_FLAG;
5789 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
5790 bnx2x_set_aer_mmd(params, phy);
5791 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
5792 bnx2x_set_master_ln(params, phy);
5794 rc = bnx2x_reset_unicore(params, phy, 0);
5795 /* reset the SerDes and wait for reset bit return low */
5799 bnx2x_set_aer_mmd(params, phy);
5800 /* setting the masterLn_def again after the reset */
5801 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
5802 bnx2x_set_master_ln(params, phy);
5803 bnx2x_set_swap_lanes(params, phy);
5809 static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
5810 struct bnx2x_phy *phy,
5811 struct link_params *params)
5814 /* Wait for soft reset to get cleared up to 1 sec */
5815 for (cnt = 0; cnt < 1000; cnt++) {
5816 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
5817 bnx2x_cl22_read(bp, phy,
5818 MDIO_PMA_REG_CTRL, &ctrl);
5820 bnx2x_cl45_read(bp, phy,
5822 MDIO_PMA_REG_CTRL, &ctrl);
5823 if (!(ctrl & (1<<15)))
5829 netdev_err(bp->dev, "Warning: PHY was not initialized,"
5832 DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
5836 static void bnx2x_link_int_enable(struct link_params *params)
5838 u8 port = params->port;
5840 struct bnx2x *bp = params->bp;
5842 /* Setting the status to report on link up for either XGXS or SerDes */
5843 if (CHIP_IS_E3(bp)) {
5844 mask = NIG_MASK_XGXS0_LINK_STATUS;
5845 if (!(SINGLE_MEDIA_DIRECT(params)))
5846 mask |= NIG_MASK_MI_INT;
5847 } else if (params->switch_cfg == SWITCH_CFG_10G) {
5848 mask = (NIG_MASK_XGXS0_LINK10G |
5849 NIG_MASK_XGXS0_LINK_STATUS);
5850 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
5851 if (!(SINGLE_MEDIA_DIRECT(params)) &&
5852 params->phy[INT_PHY].type !=
5853 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
5854 mask |= NIG_MASK_MI_INT;
5855 DP(NETIF_MSG_LINK, "enabled external phy int\n");
5858 } else { /* SerDes */
5859 mask = NIG_MASK_SERDES0_LINK_STATUS;
5860 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
5861 if (!(SINGLE_MEDIA_DIRECT(params)) &&
5862 params->phy[INT_PHY].type !=
5863 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
5864 mask |= NIG_MASK_MI_INT;
5865 DP(NETIF_MSG_LINK, "enabled external phy int\n");
5869 NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
5872 DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
5873 (params->switch_cfg == SWITCH_CFG_10G),
5874 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
5875 DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
5876 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
5877 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
5878 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
5879 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
5880 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
5881 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
5884 static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
5887 u32 latch_status = 0;
5889 /* Disable the MI INT ( external phy int ) by writing 1 to the
5890 * status register. Link down indication is high-active-signal,
5891 * so in this case we need to write the status to clear the XOR
5893 /* Read Latched signals */
5894 latch_status = REG_RD(bp,
5895 NIG_REG_LATCH_STATUS_0 + port*8);
5896 DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
5897 /* Handle only those with latched-signal=up.*/
5900 NIG_REG_STATUS_INTERRUPT_PORT0
5902 NIG_STATUS_EMAC0_MI_INT);
5905 NIG_REG_STATUS_INTERRUPT_PORT0
5907 NIG_STATUS_EMAC0_MI_INT);
5909 if (latch_status & 1) {
5911 /* For all latched-signal=up : Re-Arm Latch signals */
5912 REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
5913 (latch_status & 0xfffe) | (latch_status & 1));
5915 /* For all latched-signal=up,Write original_signal to status */
5918 static void bnx2x_link_int_ack(struct link_params *params,
5919 struct link_vars *vars, u8 is_10g_plus)
5921 struct bnx2x *bp = params->bp;
5922 u8 port = params->port;
5924 /* First reset all status we assume only one line will be
5927 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
5928 (NIG_STATUS_XGXS0_LINK10G |
5929 NIG_STATUS_XGXS0_LINK_STATUS |
5930 NIG_STATUS_SERDES0_LINK_STATUS));
5931 if (vars->phy_link_up) {
5932 if (USES_WARPCORE(bp))
5933 mask = NIG_STATUS_XGXS0_LINK_STATUS;
5936 mask = NIG_STATUS_XGXS0_LINK10G;
5937 else if (params->switch_cfg == SWITCH_CFG_10G) {
5938 /* Disable the link interrupt by writing 1 to
5939 * the relevant lane in the status register
5942 ((params->lane_config &
5943 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
5944 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
5945 mask = ((1 << ser_lane) <<
5946 NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
5948 mask = NIG_STATUS_SERDES0_LINK_STATUS;
5950 DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
5953 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
5958 static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
5961 u32 mask = 0xf0000000;
5964 u8 remove_leading_zeros = 1;
5966 /* Need more than 10chars for this format */
5974 digit = ((num & mask) >> shift);
5975 if (digit == 0 && remove_leading_zeros) {
5978 } else if (digit < 0xa)
5979 *str_ptr = digit + '0';
5981 *str_ptr = digit - 0xa + 'a';
5982 remove_leading_zeros = 0;
5990 remove_leading_zeros = 1;
5997 static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
6004 int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
6010 u8 *ver_p = version;
6011 u16 remain_len = len;
6012 if (version == NULL || params == NULL)
6016 /* Extract first external phy*/
6018 spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
6020 if (params->phy[EXT_PHY1].format_fw_ver) {
6021 status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
6024 ver_p += (len - remain_len);
6026 if ((params->num_phys == MAX_PHYS) &&
6027 (params->phy[EXT_PHY2].ver_addr != 0)) {
6028 spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
6029 if (params->phy[EXT_PHY2].format_fw_ver) {
6033 status |= params->phy[EXT_PHY2].format_fw_ver(
6037 ver_p = version + (len - remain_len);
6044 static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
6045 struct link_params *params)
6047 u8 port = params->port;
6048 struct bnx2x *bp = params->bp;
6050 if (phy->req_line_speed != SPEED_1000) {
6053 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
6055 if (!CHIP_IS_E3(bp)) {
6056 /* change the uni_phy_addr in the nig */
6057 md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
6060 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6064 bnx2x_cl45_write(bp, phy,
6066 (MDIO_REG_BANK_AER_BLOCK +
6067 (MDIO_AER_BLOCK_AER_REG & 0xf)),
6070 bnx2x_cl45_write(bp, phy,
6072 (MDIO_REG_BANK_CL73_IEEEB0 +
6073 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
6076 /* set aer mmd back */
6077 bnx2x_set_aer_mmd(params, phy);
6079 if (!CHIP_IS_E3(bp)) {
6081 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6086 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
6087 bnx2x_cl45_read(bp, phy, 5,
6088 (MDIO_REG_BANK_COMBO_IEEE0 +
6089 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6091 bnx2x_cl45_write(bp, phy, 5,
6092 (MDIO_REG_BANK_COMBO_IEEE0 +
6093 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6095 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
6099 int bnx2x_set_led(struct link_params *params,
6100 struct link_vars *vars, u8 mode, u32 speed)
6102 u8 port = params->port;
6103 u16 hw_led_mode = params->hw_led_mode;
6107 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6108 struct bnx2x *bp = params->bp;
6109 DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
6110 DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
6111 speed, hw_led_mode);
6113 for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
6114 if (params->phy[phy_idx].set_link_led) {
6115 params->phy[phy_idx].set_link_led(
6116 ¶ms->phy[phy_idx], params, mode);
6121 case LED_MODE_FRONT_PANEL_OFF:
6123 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
6124 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6125 SHARED_HW_CFG_LED_MAC1);
6127 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6128 if (params->phy[EXT_PHY1].type ==
6129 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6130 tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
6131 EMAC_LED_100MB_OVERRIDE |
6132 EMAC_LED_10MB_OVERRIDE);
6134 tmp |= EMAC_LED_OVERRIDE;
6136 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
6140 /* For all other phys, OPER mode is same as ON, so in case
6141 * link is down, do nothing
6146 if (((params->phy[EXT_PHY1].type ==
6147 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
6148 (params->phy[EXT_PHY1].type ==
6149 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
6150 CHIP_IS_E2(bp) && params->num_phys == 2) {
6151 /* This is a work-around for E2+8727 Configurations */
6152 if (mode == LED_MODE_ON ||
6153 speed == SPEED_10000){
6154 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6155 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6157 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6158 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6159 (tmp | EMAC_LED_OVERRIDE));
6160 /* Return here without enabling traffic
6161 * LED blink and setting rate in ON mode.
6162 * In oper mode, enabling LED blink
6163 * and setting rate is needed.
6165 if (mode == LED_MODE_ON)
6168 } else if (SINGLE_MEDIA_DIRECT(params)) {
6169 /* This is a work-around for HW issue found when link
6172 if ((!CHIP_IS_E3(bp)) ||
6174 mode == LED_MODE_ON))
6175 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6177 if (CHIP_IS_E1x(bp) ||
6179 (mode == LED_MODE_ON))
6180 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6182 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6184 } else if ((params->phy[EXT_PHY1].type ==
6185 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
6186 (mode == LED_MODE_ON)) {
6187 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6188 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6189 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
6190 EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
6191 /* Break here; otherwise, it'll disable the
6192 * intended override.
6196 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6199 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
6200 /* Set blinking rate to ~15.9Hz */
6202 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6203 LED_BLINK_RATE_VAL_E3);
6205 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6206 LED_BLINK_RATE_VAL_E1X_E2);
6207 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
6209 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6210 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6211 (tmp & (~EMAC_LED_OVERRIDE)));
6213 if (CHIP_IS_E1(bp) &&
6214 ((speed == SPEED_2500) ||
6215 (speed == SPEED_1000) ||
6216 (speed == SPEED_100) ||
6217 (speed == SPEED_10))) {
6218 /* For speeds less than 10G LED scheme is different */
6219 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
6221 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
6223 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
6230 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
6238 /* This function comes to reflect the actual link state read DIRECTLY from the
6241 int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
6244 struct bnx2x *bp = params->bp;
6245 u16 gp_status = 0, phy_index = 0;
6246 u8 ext_phy_link_up = 0, serdes_phy_type;
6247 struct link_vars temp_vars;
6248 struct bnx2x_phy *int_phy = ¶ms->phy[INT_PHY];
6250 if (CHIP_IS_E3(bp)) {
6252 if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
6254 /* Check 20G link */
6255 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6257 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6261 /* Check 10G link and below*/
6262 u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
6263 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6264 MDIO_WC_REG_GP2_STATUS_GP_2_1,
6266 gp_status = ((gp_status >> 8) & 0xf) |
6267 ((gp_status >> 12) & 0xf);
6268 link_up = gp_status & (1 << lane);
6273 CL22_RD_OVER_CL45(bp, int_phy,
6274 MDIO_REG_BANK_GP_STATUS,
6275 MDIO_GP_STATUS_TOP_AN_STATUS1,
6277 /* link is up only if both local phy and external phy are up */
6278 if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
6281 /* In XGXS loopback mode, do not check external PHY */
6282 if (params->loopback_mode == LOOPBACK_XGXS)
6285 switch (params->num_phys) {
6287 /* No external PHY */
6290 ext_phy_link_up = params->phy[EXT_PHY1].read_status(
6291 ¶ms->phy[EXT_PHY1],
6292 params, &temp_vars);
6294 case 3: /* Dual Media */
6295 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6297 serdes_phy_type = ((params->phy[phy_index].media_type ==
6298 ETH_PHY_SFP_FIBER) ||
6299 (params->phy[phy_index].media_type ==
6300 ETH_PHY_XFP_FIBER) ||
6301 (params->phy[phy_index].media_type ==
6302 ETH_PHY_DA_TWINAX));
6304 if (is_serdes != serdes_phy_type)
6306 if (params->phy[phy_index].read_status) {
6308 params->phy[phy_index].read_status(
6309 ¶ms->phy[phy_index],
6310 params, &temp_vars);
6315 if (ext_phy_link_up)
6320 static int bnx2x_link_initialize(struct link_params *params,
6321 struct link_vars *vars)
6324 u8 phy_index, non_ext_phy;
6325 struct bnx2x *bp = params->bp;
6326 /* In case of external phy existence, the line speed would be the
6327 * line speed linked up by the external phy. In case it is direct
6328 * only, then the line_speed during initialization will be
6329 * equal to the req_line_speed
6331 vars->line_speed = params->phy[INT_PHY].req_line_speed;
6333 /* Initialize the internal phy in case this is a direct board
6334 * (no external phys), or this board has external phy which requires
6337 if (!USES_WARPCORE(bp))
6338 bnx2x_prepare_xgxs(¶ms->phy[INT_PHY], params, vars);
6339 /* init ext phy and enable link state int */
6340 non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
6341 (params->loopback_mode == LOOPBACK_XGXS));
6344 (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
6345 (params->loopback_mode == LOOPBACK_EXT_PHY)) {
6346 struct bnx2x_phy *phy = ¶ms->phy[INT_PHY];
6347 if (vars->line_speed == SPEED_AUTO_NEG &&
6350 bnx2x_set_parallel_detection(phy, params);
6351 if (params->phy[INT_PHY].config_init)
6352 params->phy[INT_PHY].config_init(phy,
6357 /* Init external phy*/
6359 if (params->phy[INT_PHY].supported &
6361 vars->link_status |= LINK_STATUS_SERDES_LINK;
6363 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6365 /* No need to initialize second phy in case of first
6366 * phy only selection. In case of second phy, we do
6367 * need to initialize the first phy, since they are
6370 if (params->phy[phy_index].supported &
6372 vars->link_status |= LINK_STATUS_SERDES_LINK;
6374 if (phy_index == EXT_PHY2 &&
6375 (bnx2x_phy_selection(params) ==
6376 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
6378 "Not initializing second phy\n");
6381 params->phy[phy_index].config_init(
6382 ¶ms->phy[phy_index],
6386 /* Reset the interrupt indication after phy was initialized */
6387 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
6389 (NIG_STATUS_XGXS0_LINK10G |
6390 NIG_STATUS_XGXS0_LINK_STATUS |
6391 NIG_STATUS_SERDES0_LINK_STATUS |
6396 static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
6397 struct link_params *params)
6399 /* reset the SerDes/XGXS */
6400 REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6401 (0x1ff << (params->port*16)));
6404 static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
6405 struct link_params *params)
6407 struct bnx2x *bp = params->bp;
6411 gpio_port = BP_PATH(bp);
6413 gpio_port = params->port;
6414 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6415 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6417 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
6418 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6420 DP(NETIF_MSG_LINK, "reset external PHY\n");
6423 static int bnx2x_update_link_down(struct link_params *params,
6424 struct link_vars *vars)
6426 struct bnx2x *bp = params->bp;
6427 u8 port = params->port;
6429 DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
6430 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
6431 vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
6432 /* indicate no mac active */
6433 vars->mac_type = MAC_TYPE_NONE;
6435 /* update shared memory */
6436 vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
6437 LINK_STATUS_LINK_UP |
6438 LINK_STATUS_PHYSICAL_LINK_FLAG |
6439 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
6440 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
6441 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
6442 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
6443 LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
6444 LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
6445 vars->line_speed = 0;
6446 bnx2x_update_mng(params, vars->link_status);
6448 /* activate nig drain */
6449 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6452 if (!CHIP_IS_E3(bp))
6453 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6456 /* reset BigMac/Xmac */
6457 if (CHIP_IS_E1x(bp) ||
6459 bnx2x_bmac_rx_disable(bp, params->port);
6460 REG_WR(bp, GRCBASE_MISC +
6461 MISC_REGISTERS_RESET_REG_2_CLEAR,
6462 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
6464 if (CHIP_IS_E3(bp)) {
6465 bnx2x_xmac_disable(params);
6466 bnx2x_umac_disable(params);
6472 static int bnx2x_update_link_up(struct link_params *params,
6473 struct link_vars *vars,
6476 struct bnx2x *bp = params->bp;
6477 u8 phy_idx, port = params->port;
6480 vars->link_status |= (LINK_STATUS_LINK_UP |
6481 LINK_STATUS_PHYSICAL_LINK_FLAG);
6482 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
6484 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
6485 vars->link_status |=
6486 LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
6488 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
6489 vars->link_status |=
6490 LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
6491 if (USES_WARPCORE(bp)) {
6493 if (bnx2x_xmac_enable(params, vars, 0) ==
6495 DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
6497 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6498 vars->link_status &= ~LINK_STATUS_LINK_UP;
6501 bnx2x_umac_enable(params, vars, 0);
6502 bnx2x_set_led(params, vars,
6503 LED_MODE_OPER, vars->line_speed);
6505 if ((CHIP_IS_E1x(bp) ||
6508 if (bnx2x_bmac_enable(params, vars, 0) ==
6510 DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
6512 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6513 vars->link_status &= ~LINK_STATUS_LINK_UP;
6516 bnx2x_set_led(params, vars,
6517 LED_MODE_OPER, SPEED_10000);
6519 rc = bnx2x_emac_program(params, vars);
6520 bnx2x_emac_enable(params, vars, 0);
6523 if ((vars->link_status &
6524 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
6525 && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
6526 SINGLE_MEDIA_DIRECT(params))
6527 bnx2x_set_gmii_tx_driver(params);
6532 if (CHIP_IS_E1x(bp))
6533 rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6537 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
6539 /* update shared memory */
6540 bnx2x_update_mng(params, vars->link_status);
6542 /* Check remote fault */
6543 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
6544 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
6545 bnx2x_check_half_open_conn(params, vars, 0);
6552 /* The bnx2x_link_update function should be called upon link
6554 * Link is considered up as follows:
6555 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
6557 * - SINGLE_MEDIA - The link between the 577xx and the external
6558 * phy (XGXS) need to up as well as the external link of the
6560 * - DUAL_MEDIA - The link between the 577xx and the first
6561 * external phy needs to be up, and at least one of the 2
6562 * external phy link must be up.
6564 int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
6566 struct bnx2x *bp = params->bp;
6567 struct link_vars phy_vars[MAX_PHYS];
6568 u8 port = params->port;
6569 u8 link_10g_plus, phy_index;
6570 u8 ext_phy_link_up = 0, cur_link_up;
6573 u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
6574 u8 active_external_phy = INT_PHY;
6575 vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
6576 for (phy_index = INT_PHY; phy_index < params->num_phys;
6578 phy_vars[phy_index].flow_ctrl = 0;
6579 phy_vars[phy_index].link_status = 0;
6580 phy_vars[phy_index].line_speed = 0;
6581 phy_vars[phy_index].duplex = DUPLEX_FULL;
6582 phy_vars[phy_index].phy_link_up = 0;
6583 phy_vars[phy_index].link_up = 0;
6584 phy_vars[phy_index].fault_detected = 0;
6587 if (USES_WARPCORE(bp))
6588 bnx2x_set_aer_mmd(params, ¶ms->phy[INT_PHY]);
6590 DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
6591 port, (vars->phy_flags & PHY_XGXS_FLAG),
6592 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6594 is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
6596 DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
6597 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6599 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
6601 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6602 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6603 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6606 if (!CHIP_IS_E3(bp))
6607 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6610 * Check external link change only for external phys, and apply
6611 * priority selection between them in case the link on both phys
6612 * is up. Note that instead of the common vars, a temporary
6613 * vars argument is used since each phy may have different link/
6614 * speed/duplex result
6616 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6618 struct bnx2x_phy *phy = ¶ms->phy[phy_index];
6619 if (!phy->read_status)
6621 /* Read link status and params of this ext phy */
6622 cur_link_up = phy->read_status(phy, params,
6623 &phy_vars[phy_index]);
6625 DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
6628 DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
6633 if (!ext_phy_link_up) {
6634 ext_phy_link_up = 1;
6635 active_external_phy = phy_index;
6637 switch (bnx2x_phy_selection(params)) {
6638 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6639 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
6640 /* In this option, the first PHY makes sure to pass the
6641 * traffic through itself only.
6642 * Its not clear how to reset the link on the second phy
6644 active_external_phy = EXT_PHY1;
6646 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
6647 /* In this option, the first PHY makes sure to pass the
6648 * traffic through the second PHY.
6650 active_external_phy = EXT_PHY2;
6653 /* Link indication on both PHYs with the following cases
6655 * - FIRST_PHY means that second phy wasn't initialized,
6656 * hence its link is expected to be down
6657 * - SECOND_PHY means that first phy should not be able
6658 * to link up by itself (using configuration)
6659 * - DEFAULT should be overriden during initialiazation
6661 DP(NETIF_MSG_LINK, "Invalid link indication"
6662 "mpc=0x%x. DISABLING LINK !!!\n",
6663 params->multi_phy_config);
6664 ext_phy_link_up = 0;
6669 prev_line_speed = vars->line_speed;
6671 * Read the status of the internal phy. In case of
6672 * DIRECT_SINGLE_MEDIA board, this link is the external link,
6673 * otherwise this is the link between the 577xx and the first
6676 if (params->phy[INT_PHY].read_status)
6677 params->phy[INT_PHY].read_status(
6678 ¶ms->phy[INT_PHY],
6680 /* The INT_PHY flow control reside in the vars. This include the
6681 * case where the speed or flow control are not set to AUTO.
6682 * Otherwise, the active external phy flow control result is set
6683 * to the vars. The ext_phy_line_speed is needed to check if the
6684 * speed is different between the internal phy and external phy.
6685 * This case may be result of intermediate link speed change.
6687 if (active_external_phy > INT_PHY) {
6688 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
6689 /* Link speed is taken from the XGXS. AN and FC result from
6692 vars->link_status |= phy_vars[active_external_phy].link_status;
6694 /* if active_external_phy is first PHY and link is up - disable
6695 * disable TX on second external PHY
6697 if (active_external_phy == EXT_PHY1) {
6698 if (params->phy[EXT_PHY2].phy_specific_func) {
6700 "Disabling TX on EXT_PHY2\n");
6701 params->phy[EXT_PHY2].phy_specific_func(
6702 ¶ms->phy[EXT_PHY2],
6703 params, DISABLE_TX);
6707 ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
6708 vars->duplex = phy_vars[active_external_phy].duplex;
6709 if (params->phy[active_external_phy].supported &
6711 vars->link_status |= LINK_STATUS_SERDES_LINK;
6713 vars->link_status &= ~LINK_STATUS_SERDES_LINK;
6714 DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
6715 active_external_phy);
6718 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6720 if (params->phy[phy_index].flags &
6721 FLAGS_REARM_LATCH_SIGNAL) {
6722 bnx2x_rearm_latch_signal(bp, port,
6724 active_external_phy);
6728 DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
6729 " ext_phy_line_speed = %d\n", vars->flow_ctrl,
6730 vars->link_status, ext_phy_line_speed);
6731 /* Upon link speed change set the NIG into drain mode. Comes to
6732 * deals with possible FIFO glitch due to clk change when speed
6733 * is decreased without link down indicator
6736 if (vars->phy_link_up) {
6737 if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
6738 (ext_phy_line_speed != vars->line_speed)) {
6739 DP(NETIF_MSG_LINK, "Internal link speed %d is"
6740 " different than the external"
6741 " link speed %d\n", vars->line_speed,
6742 ext_phy_line_speed);
6743 vars->phy_link_up = 0;
6744 } else if (prev_line_speed != vars->line_speed) {
6745 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
6751 /* anything 10 and over uses the bmac */
6752 link_10g_plus = (vars->line_speed >= SPEED_10000);
6754 bnx2x_link_int_ack(params, vars, link_10g_plus);
6756 /* In case external phy link is up, and internal link is down
6757 * (not initialized yet probably after link initialization, it
6758 * needs to be initialized.
6759 * Note that after link down-up as result of cable plug, the xgxs
6760 * link would probably become up again without the need
6763 if (!(SINGLE_MEDIA_DIRECT(params))) {
6764 DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
6765 " init_preceding = %d\n", ext_phy_link_up,
6767 params->phy[EXT_PHY1].flags &
6768 FLAGS_INIT_XGXS_FIRST);
6769 if (!(params->phy[EXT_PHY1].flags &
6770 FLAGS_INIT_XGXS_FIRST)
6771 && ext_phy_link_up && !vars->phy_link_up) {
6772 vars->line_speed = ext_phy_line_speed;
6773 if (vars->line_speed < SPEED_1000)
6774 vars->phy_flags |= PHY_SGMII_FLAG;
6776 vars->phy_flags &= ~PHY_SGMII_FLAG;
6778 if (params->phy[INT_PHY].config_init)
6779 params->phy[INT_PHY].config_init(
6780 ¶ms->phy[INT_PHY], params,
6784 /* Link is up only if both local phy and external phy (in case of
6785 * non-direct board) are up and no fault detected on active PHY.
6787 vars->link_up = (vars->phy_link_up &&
6789 SINGLE_MEDIA_DIRECT(params)) &&
6790 (phy_vars[active_external_phy].fault_detected == 0));
6792 /* Update the PFC configuration in case it was changed */
6793 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
6794 vars->link_status |= LINK_STATUS_PFC_ENABLED;
6796 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
6799 rc = bnx2x_update_link_up(params, vars, link_10g_plus);
6801 rc = bnx2x_update_link_down(params, vars);
6806 /*****************************************************************************/
6807 /* External Phy section */
6808 /*****************************************************************************/
6809 void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
6811 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6812 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
6814 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6815 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
6818 static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
6819 u32 spirom_ver, u32 ver_addr)
6821 DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
6822 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
6825 REG_WR(bp, ver_addr, spirom_ver);
6828 static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
6829 struct bnx2x_phy *phy,
6832 u16 fw_ver1, fw_ver2;
6834 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
6835 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
6836 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
6837 MDIO_PMA_REG_ROM_VER2, &fw_ver2);
6838 bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
6842 static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
6843 struct bnx2x_phy *phy,
6844 struct link_vars *vars)
6847 bnx2x_cl45_read(bp, phy,
6849 MDIO_AN_REG_STATUS, &val);
6850 bnx2x_cl45_read(bp, phy,
6852 MDIO_AN_REG_STATUS, &val);
6854 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
6855 if ((val & (1<<0)) == 0)
6856 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
6859 /******************************************************************/
6860 /* common BCM8073/BCM8727 PHY SECTION */
6861 /******************************************************************/
6862 static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
6863 struct link_params *params,
6864 struct link_vars *vars)
6866 struct bnx2x *bp = params->bp;
6867 if (phy->req_line_speed == SPEED_10 ||
6868 phy->req_line_speed == SPEED_100) {
6869 vars->flow_ctrl = phy->req_flow_ctrl;
6873 if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
6874 (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
6876 u16 ld_pause; /* local */
6877 u16 lp_pause; /* link partner */
6878 bnx2x_cl45_read(bp, phy,
6880 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
6882 bnx2x_cl45_read(bp, phy,
6884 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
6885 pause_result = (ld_pause &
6886 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
6887 pause_result |= (lp_pause &
6888 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
6890 bnx2x_pause_resolve(vars, pause_result);
6891 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
6895 static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
6896 struct bnx2x_phy *phy,
6900 u16 fw_ver1, fw_msgout;
6903 /* Boot port from external ROM */
6905 bnx2x_cl45_write(bp, phy,
6907 MDIO_PMA_REG_GEN_CTRL,
6910 /* ucode reboot and rst */
6911 bnx2x_cl45_write(bp, phy,
6913 MDIO_PMA_REG_GEN_CTRL,
6916 bnx2x_cl45_write(bp, phy,
6918 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
6920 /* Reset internal microprocessor */
6921 bnx2x_cl45_write(bp, phy,
6923 MDIO_PMA_REG_GEN_CTRL,
6924 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
6926 /* Release srst bit */
6927 bnx2x_cl45_write(bp, phy,
6929 MDIO_PMA_REG_GEN_CTRL,
6930 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
6932 /* Delay 100ms per the PHY specifications */
6935 /* 8073 sometimes taking longer to download */
6940 "bnx2x_8073_8727_external_rom_boot port %x:"
6941 "Download failed. fw version = 0x%x\n",
6947 bnx2x_cl45_read(bp, phy,
6949 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
6950 bnx2x_cl45_read(bp, phy,
6952 MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
6955 } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
6956 ((fw_msgout & 0xff) != 0x03 && (phy->type ==
6957 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
6959 /* Clear ser_boot_ctl bit */
6960 bnx2x_cl45_write(bp, phy,
6962 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
6963 bnx2x_save_bcm_spirom_ver(bp, phy, port);
6966 "bnx2x_8073_8727_external_rom_boot port %x:"
6967 "Download complete. fw version = 0x%x\n",
6973 /******************************************************************/
6974 /* BCM8073 PHY SECTION */
6975 /******************************************************************/
6976 static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
6978 /* This is only required for 8073A1, version 102 only */
6981 /* Read 8073 HW revision*/
6982 bnx2x_cl45_read(bp, phy,
6984 MDIO_PMA_REG_8073_CHIP_REV, &val);
6987 /* No need to workaround in 8073 A1 */
6991 bnx2x_cl45_read(bp, phy,
6993 MDIO_PMA_REG_ROM_VER2, &val);
6995 /* SNR should be applied only for version 0x102 */
7002 static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
7004 u16 val, cnt, cnt1 ;
7006 bnx2x_cl45_read(bp, phy,
7008 MDIO_PMA_REG_8073_CHIP_REV, &val);
7011 /* No need to workaround in 8073 A1 */
7014 /* XAUI workaround in 8073 A0: */
7016 /* After loading the boot ROM and restarting Autoneg, poll
7020 for (cnt = 0; cnt < 1000; cnt++) {
7021 bnx2x_cl45_read(bp, phy,
7023 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7025 /* If bit [14] = 0 or bit [13] = 0, continue on with
7026 * system initialization (XAUI work-around not required, as
7027 * these bits indicate 2.5G or 1G link up).
7029 if (!(val & (1<<14)) || !(val & (1<<13))) {
7030 DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
7032 } else if (!(val & (1<<15))) {
7033 DP(NETIF_MSG_LINK, "bit 15 went off\n");
7034 /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
7035 * MSB (bit15) goes to 1 (indicating that the XAUI
7036 * workaround has completed), then continue on with
7037 * system initialization.
7039 for (cnt1 = 0; cnt1 < 1000; cnt1++) {
7040 bnx2x_cl45_read(bp, phy,
7042 MDIO_PMA_REG_8073_XAUI_WA, &val);
7043 if (val & (1<<15)) {
7045 "XAUI workaround has completed\n");
7054 DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
7058 static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
7060 /* Force KR or KX */
7061 bnx2x_cl45_write(bp, phy,
7062 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
7063 bnx2x_cl45_write(bp, phy,
7064 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
7065 bnx2x_cl45_write(bp, phy,
7066 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
7067 bnx2x_cl45_write(bp, phy,
7068 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
7071 static void bnx2x_8073_set_pause_cl37(struct link_params *params,
7072 struct bnx2x_phy *phy,
7073 struct link_vars *vars)
7076 struct bnx2x *bp = params->bp;
7077 bnx2x_cl45_read(bp, phy,
7078 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
7080 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7081 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
7082 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
7083 if ((vars->ieee_fc &
7084 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
7085 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
7086 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
7088 if ((vars->ieee_fc &
7089 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
7090 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
7091 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
7093 if ((vars->ieee_fc &
7094 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
7095 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
7096 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7099 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
7101 bnx2x_cl45_write(bp, phy,
7102 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
7106 static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
7107 struct link_params *params,
7108 struct link_vars *vars)
7110 struct bnx2x *bp = params->bp;
7113 DP(NETIF_MSG_LINK, "Init 8073\n");
7116 gpio_port = BP_PATH(bp);
7118 gpio_port = params->port;
7119 /* Restore normal power mode*/
7120 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7121 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7123 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7124 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7127 bnx2x_cl45_write(bp, phy,
7128 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
7129 bnx2x_cl45_write(bp, phy,
7130 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
7132 bnx2x_8073_set_pause_cl37(params, phy, vars);
7134 bnx2x_cl45_read(bp, phy,
7135 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
7137 bnx2x_cl45_read(bp, phy,
7138 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
7140 DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
7142 /* Swap polarity if required - Must be done only in non-1G mode */
7143 if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7144 /* Configure the 8073 to swap _P and _N of the KR lines */
7145 DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
7146 /* 10G Rx/Tx and 1G Tx signal polarity swap */
7147 bnx2x_cl45_read(bp, phy,
7149 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
7150 bnx2x_cl45_write(bp, phy,
7152 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
7157 /* Enable CL37 BAM */
7158 if (REG_RD(bp, params->shmem_base +
7159 offsetof(struct shmem_region, dev_info.
7160 port_hw_config[params->port].default_cfg)) &
7161 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
7163 bnx2x_cl45_read(bp, phy,
7165 MDIO_AN_REG_8073_BAM, &val);
7166 bnx2x_cl45_write(bp, phy,
7168 MDIO_AN_REG_8073_BAM, val | 1);
7169 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
7171 if (params->loopback_mode == LOOPBACK_EXT) {
7172 bnx2x_807x_force_10G(bp, phy);
7173 DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
7176 bnx2x_cl45_write(bp, phy,
7177 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
7179 if (phy->req_line_speed != SPEED_AUTO_NEG) {
7180 if (phy->req_line_speed == SPEED_10000) {
7182 } else if (phy->req_line_speed == SPEED_2500) {
7184 /* Note that 2.5G works only when used with 1G
7191 if (phy->speed_cap_mask &
7192 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
7195 /* Note that 2.5G works only when used with 1G advertisement */
7196 if (phy->speed_cap_mask &
7197 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
7198 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7200 DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
7203 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
7204 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
7206 if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
7207 (phy->req_line_speed == SPEED_AUTO_NEG)) ||
7208 (phy->req_line_speed == SPEED_2500)) {
7210 /* Allow 2.5G for A1 and above */
7211 bnx2x_cl45_read(bp, phy,
7212 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
7214 DP(NETIF_MSG_LINK, "Add 2.5G\n");
7220 DP(NETIF_MSG_LINK, "Disable 2.5G\n");
7224 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
7225 /* Add support for CL37 (passive mode) II */
7227 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
7228 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
7229 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
7232 /* Add support for CL37 (passive mode) III */
7233 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
7235 /* The SNR will improve about 2db by changing BW and FEE main
7236 * tap. Rest commands are executed after link is up
7237 * Change FFE main cursor to 5 in EDC register
7239 if (bnx2x_8073_is_snr_needed(bp, phy))
7240 bnx2x_cl45_write(bp, phy,
7241 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
7244 /* Enable FEC (Forware Error Correction) Request in the AN */
7245 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
7247 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
7249 bnx2x_ext_phy_set_pause(params, phy, vars);
7251 /* Restart autoneg */
7253 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
7254 DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
7255 ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
7259 static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
7260 struct link_params *params,
7261 struct link_vars *vars)
7263 struct bnx2x *bp = params->bp;
7266 u16 link_status = 0;
7267 u16 an1000_status = 0;
7269 bnx2x_cl45_read(bp, phy,
7270 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
7272 DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
7274 /* clear the interrupt LASI status register */
7275 bnx2x_cl45_read(bp, phy,
7276 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7277 bnx2x_cl45_read(bp, phy,
7278 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
7279 DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
7281 bnx2x_cl45_read(bp, phy,
7282 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
7284 /* Check the LASI */
7285 bnx2x_cl45_read(bp, phy,
7286 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
7288 DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
7290 /* Check the link status */
7291 bnx2x_cl45_read(bp, phy,
7292 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7293 DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
7295 bnx2x_cl45_read(bp, phy,
7296 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7297 bnx2x_cl45_read(bp, phy,
7298 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7299 link_up = ((val1 & 4) == 4);
7300 DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
7303 ((phy->req_line_speed != SPEED_10000))) {
7304 if (bnx2x_8073_xaui_wa(bp, phy) != 0)
7307 bnx2x_cl45_read(bp, phy,
7308 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7309 bnx2x_cl45_read(bp, phy,
7310 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7312 /* Check the link status on 1.1.2 */
7313 bnx2x_cl45_read(bp, phy,
7314 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7315 bnx2x_cl45_read(bp, phy,
7316 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7317 DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
7318 "an_link_status=0x%x\n", val2, val1, an1000_status);
7320 link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
7321 if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
7322 /* The SNR will improve about 2dbby changing the BW and FEE main
7323 * tap. The 1st write to change FFE main tap is set before
7324 * restart AN. Change PLL Bandwidth in EDC register
7326 bnx2x_cl45_write(bp, phy,
7327 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
7330 /* Change CDR Bandwidth in EDC register */
7331 bnx2x_cl45_write(bp, phy,
7332 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
7335 bnx2x_cl45_read(bp, phy,
7336 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7339 /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
7340 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
7342 vars->line_speed = SPEED_10000;
7343 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
7345 } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
7347 vars->line_speed = SPEED_2500;
7348 DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
7350 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
7352 vars->line_speed = SPEED_1000;
7353 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
7357 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
7362 /* Swap polarity if required */
7363 if (params->lane_config &
7364 PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7365 /* Configure the 8073 to swap P and N of the KR lines */
7366 bnx2x_cl45_read(bp, phy,
7368 MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
7369 /* Set bit 3 to invert Rx in 1G mode and clear this bit
7370 * when it`s in 10G mode.
7372 if (vars->line_speed == SPEED_1000) {
7373 DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
7379 bnx2x_cl45_write(bp, phy,
7381 MDIO_XS_REG_8073_RX_CTRL_PCIE,
7384 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7385 bnx2x_8073_resolve_fc(phy, params, vars);
7386 vars->duplex = DUPLEX_FULL;
7389 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
7390 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
7391 MDIO_AN_REG_LP_AUTO_NEG2, &val1);
7394 vars->link_status |=
7395 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
7397 vars->link_status |=
7398 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
7404 static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
7405 struct link_params *params)
7407 struct bnx2x *bp = params->bp;
7410 gpio_port = BP_PATH(bp);
7412 gpio_port = params->port;
7413 DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
7415 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7416 MISC_REGISTERS_GPIO_OUTPUT_LOW,
7420 /******************************************************************/
7421 /* BCM8705 PHY SECTION */
7422 /******************************************************************/
7423 static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
7424 struct link_params *params,
7425 struct link_vars *vars)
7427 struct bnx2x *bp = params->bp;
7428 DP(NETIF_MSG_LINK, "init 8705\n");
7429 /* Restore normal power mode*/
7430 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7431 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
7433 bnx2x_ext_phy_hw_reset(bp, params->port);
7434 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
7435 bnx2x_wait_reset_complete(bp, phy, params);
7437 bnx2x_cl45_write(bp, phy,
7438 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
7439 bnx2x_cl45_write(bp, phy,
7440 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
7441 bnx2x_cl45_write(bp, phy,
7442 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
7443 bnx2x_cl45_write(bp, phy,
7444 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
7445 /* BCM8705 doesn't have microcode, hence the 0 */
7446 bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
7450 static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
7451 struct link_params *params,
7452 struct link_vars *vars)
7456 struct bnx2x *bp = params->bp;
7457 DP(NETIF_MSG_LINK, "read status 8705\n");
7458 bnx2x_cl45_read(bp, phy,
7459 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7460 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7462 bnx2x_cl45_read(bp, phy,
7463 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7464 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7466 bnx2x_cl45_read(bp, phy,
7467 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7469 bnx2x_cl45_read(bp, phy,
7470 MDIO_PMA_DEVAD, 0xc809, &val1);
7471 bnx2x_cl45_read(bp, phy,
7472 MDIO_PMA_DEVAD, 0xc809, &val1);
7474 DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
7475 link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
7477 vars->line_speed = SPEED_10000;
7478 bnx2x_ext_phy_resolve_fc(phy, params, vars);
7483 /******************************************************************/
7484 /* SFP+ module Section */
7485 /******************************************************************/
7486 static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
7487 struct bnx2x_phy *phy,
7490 struct bnx2x *bp = params->bp;
7491 /* Disable transmitter only for bootcodes which can enable it afterwards
7495 if (params->feature_config_flags &
7496 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
7497 DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
7499 DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
7503 DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
7504 bnx2x_cl45_write(bp, phy,
7506 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
7509 static u8 bnx2x_get_gpio_port(struct link_params *params)
7512 u32 swap_val, swap_override;
7513 struct bnx2x *bp = params->bp;
7515 gpio_port = BP_PATH(bp);
7517 gpio_port = params->port;
7518 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7519 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7520 return gpio_port ^ (swap_val && swap_override);
7523 static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
7524 struct bnx2x_phy *phy,
7528 u8 port = params->port;
7529 struct bnx2x *bp = params->bp;
7532 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
7533 tx_en_mode = REG_RD(bp, params->shmem_base +
7534 offsetof(struct shmem_region,
7535 dev_info.port_hw_config[port].sfp_ctrl)) &
7536 PORT_HW_CFG_TX_LASER_MASK;
7537 DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
7538 "mode = %x\n", tx_en, port, tx_en_mode);
7539 switch (tx_en_mode) {
7540 case PORT_HW_CFG_TX_LASER_MDIO:
7542 bnx2x_cl45_read(bp, phy,
7544 MDIO_PMA_REG_PHY_IDENTIFIER,
7552 bnx2x_cl45_write(bp, phy,
7554 MDIO_PMA_REG_PHY_IDENTIFIER,
7557 case PORT_HW_CFG_TX_LASER_GPIO0:
7558 case PORT_HW_CFG_TX_LASER_GPIO1:
7559 case PORT_HW_CFG_TX_LASER_GPIO2:
7560 case PORT_HW_CFG_TX_LASER_GPIO3:
7563 u8 gpio_port, gpio_mode;
7565 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
7567 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
7569 gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
7570 gpio_port = bnx2x_get_gpio_port(params);
7571 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7575 DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
7580 static void bnx2x_sfp_set_transmitter(struct link_params *params,
7581 struct bnx2x_phy *phy,
7584 struct bnx2x *bp = params->bp;
7585 DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
7587 bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
7589 bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
7592 static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7593 struct link_params *params,
7594 u16 addr, u8 byte_cnt, u8 *o_buf)
7596 struct bnx2x *bp = params->bp;
7599 if (byte_cnt > 16) {
7601 "Reading from eeprom is limited to 0xf\n");
7604 /* Set the read command byte count */
7605 bnx2x_cl45_write(bp, phy,
7606 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7607 (byte_cnt | 0xa000));
7609 /* Set the read command address */
7610 bnx2x_cl45_write(bp, phy,
7611 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7614 /* Activate read command */
7615 bnx2x_cl45_write(bp, phy,
7616 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7619 /* Wait up to 500us for command complete status */
7620 for (i = 0; i < 100; i++) {
7621 bnx2x_cl45_read(bp, phy,
7623 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7624 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7625 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7630 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7631 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7633 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7634 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7638 /* Read the buffer */
7639 for (i = 0; i < byte_cnt; i++) {
7640 bnx2x_cl45_read(bp, phy,
7642 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
7643 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7646 for (i = 0; i < 100; i++) {
7647 bnx2x_cl45_read(bp, phy,
7649 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7650 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7651 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7658 static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7659 struct link_params *params,
7660 u16 addr, u8 byte_cnt,
7664 u8 i, j = 0, cnt = 0;
7667 struct bnx2x *bp = params->bp;
7668 if (byte_cnt > 16) {
7670 "Reading from eeprom is limited to 16 bytes\n");
7674 /* 4 byte aligned address */
7675 addr32 = addr & (~0x3);
7677 rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
7679 } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
7682 for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
7683 o_buf[j] = *((u8 *)data_array + i);
7691 static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7692 struct link_params *params,
7693 u16 addr, u8 byte_cnt, u8 *o_buf)
7695 struct bnx2x *bp = params->bp;
7698 if (byte_cnt > 16) {
7700 "Reading from eeprom is limited to 0xf\n");
7704 /* Need to read from 1.8000 to clear it */
7705 bnx2x_cl45_read(bp, phy,
7707 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7710 /* Set the read command byte count */
7711 bnx2x_cl45_write(bp, phy,
7713 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7714 ((byte_cnt < 2) ? 2 : byte_cnt));
7716 /* Set the read command address */
7717 bnx2x_cl45_write(bp, phy,
7719 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7721 /* Set the destination address */
7722 bnx2x_cl45_write(bp, phy,
7725 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
7727 /* Activate read command */
7728 bnx2x_cl45_write(bp, phy,
7730 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7732 /* Wait appropriate time for two-wire command to finish before
7733 * polling the status register
7737 /* Wait up to 500us for command complete status */
7738 for (i = 0; i < 100; i++) {
7739 bnx2x_cl45_read(bp, phy,
7741 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7742 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7743 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7748 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7749 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7751 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7752 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7756 /* Read the buffer */
7757 for (i = 0; i < byte_cnt; i++) {
7758 bnx2x_cl45_read(bp, phy,
7760 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
7761 o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
7764 for (i = 0; i < 100; i++) {
7765 bnx2x_cl45_read(bp, phy,
7767 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7768 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7769 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7777 int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7778 struct link_params *params, u16 addr,
7779 u8 byte_cnt, u8 *o_buf)
7782 switch (phy->type) {
7783 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
7784 rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
7787 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
7788 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
7789 rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
7792 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7793 rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
7800 static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
7801 struct link_params *params,
7804 struct bnx2x *bp = params->bp;
7805 u32 sync_offset = 0, phy_idx, media_types;
7806 u8 val, check_limiting_mode = 0;
7807 *edc_mode = EDC_MODE_LIMITING;
7809 phy->media_type = ETH_PHY_UNSPECIFIED;
7810 /* First check for copper cable */
7811 if (bnx2x_read_sfp_module_eeprom(phy,
7813 SFP_EEPROM_CON_TYPE_ADDR,
7816 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
7821 case SFP_EEPROM_CON_TYPE_VAL_COPPER:
7823 u8 copper_module_type;
7824 phy->media_type = ETH_PHY_DA_TWINAX;
7825 /* Check if its active cable (includes SFP+ module)
7828 if (bnx2x_read_sfp_module_eeprom(phy,
7830 SFP_EEPROM_FC_TX_TECH_ADDR,
7832 &copper_module_type) != 0) {
7834 "Failed to read copper-cable-type"
7835 " from SFP+ EEPROM\n");
7839 if (copper_module_type &
7840 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
7841 DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
7842 check_limiting_mode = 1;
7843 } else if (copper_module_type &
7844 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
7846 "Passive Copper cable detected\n");
7848 EDC_MODE_PASSIVE_DAC;
7851 "Unknown copper-cable-type 0x%x !!!\n",
7852 copper_module_type);
7857 case SFP_EEPROM_CON_TYPE_VAL_LC:
7858 phy->media_type = ETH_PHY_SFP_FIBER;
7859 DP(NETIF_MSG_LINK, "Optic module detected\n");
7860 check_limiting_mode = 1;
7863 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
7867 sync_offset = params->shmem_base +
7868 offsetof(struct shmem_region,
7869 dev_info.port_hw_config[params->port].media_type);
7870 media_types = REG_RD(bp, sync_offset);
7871 /* Update media type for non-PMF sync */
7872 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
7873 if (&(params->phy[phy_idx]) == phy) {
7874 media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
7875 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
7876 media_types |= ((phy->media_type &
7877 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
7878 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
7882 REG_WR(bp, sync_offset, media_types);
7883 if (check_limiting_mode) {
7884 u8 options[SFP_EEPROM_OPTIONS_SIZE];
7885 if (bnx2x_read_sfp_module_eeprom(phy,
7887 SFP_EEPROM_OPTIONS_ADDR,
7888 SFP_EEPROM_OPTIONS_SIZE,
7891 "Failed to read Option field from module EEPROM\n");
7894 if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
7895 *edc_mode = EDC_MODE_LINEAR;
7897 *edc_mode = EDC_MODE_LIMITING;
7899 DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
7902 /* This function read the relevant field from the module (SFP+), and verify it
7903 * is compliant with this board
7905 static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
7906 struct link_params *params)
7908 struct bnx2x *bp = params->bp;
7910 u32 fw_resp, fw_cmd_param;
7911 char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
7912 char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
7913 phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
7914 val = REG_RD(bp, params->shmem_base +
7915 offsetof(struct shmem_region, dev_info.
7916 port_feature_config[params->port].config));
7917 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
7918 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
7919 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
7923 if (params->feature_config_flags &
7924 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
7925 /* Use specific phy request */
7926 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
7927 } else if (params->feature_config_flags &
7928 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
7929 /* Use first phy request only in case of non-dual media*/
7930 if (DUAL_MEDIA(params)) {
7932 "FW does not support OPT MDL verification\n");
7935 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
7937 /* No support in OPT MDL detection */
7939 "FW does not support OPT MDL verification\n");
7943 fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
7944 fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
7945 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
7946 DP(NETIF_MSG_LINK, "Approved module\n");
7950 /* format the warning message */
7951 if (bnx2x_read_sfp_module_eeprom(phy,
7953 SFP_EEPROM_VENDOR_NAME_ADDR,
7954 SFP_EEPROM_VENDOR_NAME_SIZE,
7956 vendor_name[0] = '\0';
7958 vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
7959 if (bnx2x_read_sfp_module_eeprom(phy,
7961 SFP_EEPROM_PART_NO_ADDR,
7962 SFP_EEPROM_PART_NO_SIZE,
7964 vendor_pn[0] = '\0';
7966 vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
7968 netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
7969 " Port %d from %s part number %s\n",
7970 params->port, vendor_name, vendor_pn);
7971 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
7972 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
7973 phy->flags |= FLAGS_SFP_NOT_APPROVED;
7977 static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
7978 struct link_params *params)
7982 struct bnx2x *bp = params->bp;
7984 /* Initialization time after hot-plug may take up to 300ms for
7985 * some phys type ( e.g. JDSU )
7988 for (timeout = 0; timeout < 60; timeout++) {
7989 if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
7992 "SFP+ module initialization took %d ms\n",
8001 static void bnx2x_8727_power_module(struct bnx2x *bp,
8002 struct bnx2x_phy *phy,
8004 /* Make sure GPIOs are not using for LED mode */
8006 /* In the GPIO register, bit 4 is use to determine if the GPIOs are
8007 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
8009 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
8010 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
8011 * where the 1st bit is the over-current(only input), and 2nd bit is
8012 * for power( only output )
8014 * In case of NOC feature is disabled and power is up, set GPIO control
8015 * as input to enable listening of over-current indication
8017 if (phy->flags & FLAGS_NOC)
8022 /* Set GPIO control to OUTPUT, and set the power bit
8023 * to according to the is_power_up
8027 bnx2x_cl45_write(bp, phy,
8029 MDIO_PMA_REG_8727_GPIO_CTRL,
8033 static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
8034 struct bnx2x_phy *phy,
8037 u16 cur_limiting_mode;
8039 bnx2x_cl45_read(bp, phy,
8041 MDIO_PMA_REG_ROM_VER2,
8042 &cur_limiting_mode);
8043 DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
8046 if (edc_mode == EDC_MODE_LIMITING) {
8047 DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
8048 bnx2x_cl45_write(bp, phy,
8050 MDIO_PMA_REG_ROM_VER2,
8052 } else { /* LRM mode ( default )*/
8054 DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
8056 /* Changing to LRM mode takes quite few seconds. So do it only
8057 * if current mode is limiting (default is LRM)
8059 if (cur_limiting_mode != EDC_MODE_LIMITING)
8062 bnx2x_cl45_write(bp, phy,
8064 MDIO_PMA_REG_LRM_MODE,
8066 bnx2x_cl45_write(bp, phy,
8068 MDIO_PMA_REG_ROM_VER2,
8070 bnx2x_cl45_write(bp, phy,
8072 MDIO_PMA_REG_MISC_CTRL0,
8074 bnx2x_cl45_write(bp, phy,
8076 MDIO_PMA_REG_LRM_MODE,
8082 static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
8083 struct bnx2x_phy *phy,
8088 bnx2x_cl45_read(bp, phy,
8090 MDIO_PMA_REG_PHY_IDENTIFIER,
8093 bnx2x_cl45_write(bp, phy,
8095 MDIO_PMA_REG_PHY_IDENTIFIER,
8096 (phy_identifier & ~(1<<9)));
8098 bnx2x_cl45_read(bp, phy,
8100 MDIO_PMA_REG_ROM_VER2,
8102 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
8103 bnx2x_cl45_write(bp, phy,
8105 MDIO_PMA_REG_ROM_VER2,
8106 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
8108 bnx2x_cl45_write(bp, phy,
8110 MDIO_PMA_REG_PHY_IDENTIFIER,
8111 (phy_identifier | (1<<9)));
8116 static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
8117 struct link_params *params,
8120 struct bnx2x *bp = params->bp;
8124 bnx2x_sfp_set_transmitter(params, phy, 0);
8127 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
8128 bnx2x_sfp_set_transmitter(params, phy, 1);
8131 DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
8137 static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
8140 struct bnx2x *bp = params->bp;
8142 u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
8143 offsetof(struct shmem_region,
8144 dev_info.port_hw_config[params->port].sfp_ctrl)) &
8145 PORT_HW_CFG_FAULT_MODULE_LED_MASK;
8146 switch (fault_led_gpio) {
8147 case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
8149 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
8150 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
8151 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
8152 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
8154 u8 gpio_port = bnx2x_get_gpio_port(params);
8155 u16 gpio_pin = fault_led_gpio -
8156 PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
8157 DP(NETIF_MSG_LINK, "Set fault module-detected led "
8158 "pin %x port %x mode %x\n",
8159 gpio_pin, gpio_port, gpio_mode);
8160 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
8164 DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
8169 static void bnx2x_set_e3_module_fault_led(struct link_params *params,
8173 u8 port = params->port;
8174 struct bnx2x *bp = params->bp;
8175 pin_cfg = (REG_RD(bp, params->shmem_base +
8176 offsetof(struct shmem_region,
8177 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
8178 PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
8179 PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
8180 DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
8181 gpio_mode, pin_cfg);
8182 bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
8185 static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
8188 struct bnx2x *bp = params->bp;
8189 DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
8190 if (CHIP_IS_E3(bp)) {
8191 /* Low ==> if SFP+ module is supported otherwise
8192 * High ==> if SFP+ module is not on the approved vendor list
8194 bnx2x_set_e3_module_fault_led(params, gpio_mode);
8196 bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
8199 static void bnx2x_warpcore_power_module(struct link_params *params,
8200 struct bnx2x_phy *phy,
8204 struct bnx2x *bp = params->bp;
8206 pin_cfg = (REG_RD(bp, params->shmem_base +
8207 offsetof(struct shmem_region,
8208 dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
8209 PORT_HW_CFG_E3_PWR_DIS_MASK) >>
8210 PORT_HW_CFG_E3_PWR_DIS_SHIFT;
8212 if (pin_cfg == PIN_CFG_NA)
8214 DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
8216 /* Low ==> corresponding SFP+ module is powered
8217 * high ==> the SFP+ module is powered down
8219 bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
8222 static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
8223 struct link_params *params)
8225 struct bnx2x *bp = params->bp;
8226 bnx2x_warpcore_power_module(params, phy, 0);
8227 /* Put Warpcore in low power mode */
8228 REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
8230 /* Put LCPLL in low power mode */
8231 REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
8232 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
8233 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
8236 static void bnx2x_power_sfp_module(struct link_params *params,
8237 struct bnx2x_phy *phy,
8240 struct bnx2x *bp = params->bp;
8241 DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
8243 switch (phy->type) {
8244 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8245 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8246 bnx2x_8727_power_module(params->bp, phy, power);
8248 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8249 bnx2x_warpcore_power_module(params, phy, power);
8255 static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
8256 struct bnx2x_phy *phy,
8260 u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8261 struct bnx2x *bp = params->bp;
8263 u8 lane = bnx2x_get_warpcore_lane(phy, params);
8264 /* This is a global register which controls all lanes */
8265 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8266 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8267 val &= ~(0xf << (lane << 2));
8270 case EDC_MODE_LINEAR:
8271 case EDC_MODE_LIMITING:
8272 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8274 case EDC_MODE_PASSIVE_DAC:
8275 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
8281 val |= (mode << (lane << 2));
8282 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
8283 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
8285 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8286 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8288 /* Restart microcode to re-read the new mode */
8289 bnx2x_warpcore_reset_lane(bp, phy, 1);
8290 bnx2x_warpcore_reset_lane(bp, phy, 0);
8294 static void bnx2x_set_limiting_mode(struct link_params *params,
8295 struct bnx2x_phy *phy,
8298 switch (phy->type) {
8299 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8300 bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
8302 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8303 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8304 bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
8306 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8307 bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
8312 int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
8313 struct link_params *params)
8315 struct bnx2x *bp = params->bp;
8319 u32 val = REG_RD(bp, params->shmem_base +
8320 offsetof(struct shmem_region, dev_info.
8321 port_feature_config[params->port].config));
8323 DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
8325 /* Power up module */
8326 bnx2x_power_sfp_module(params, phy, 1);
8327 if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
8328 DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
8330 } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
8331 /* check SFP+ module compatibility */
8332 DP(NETIF_MSG_LINK, "Module verification failed!!\n");
8334 /* Turn on fault module-detected led */
8335 bnx2x_set_sfp_module_fault_led(params,
8336 MISC_REGISTERS_GPIO_HIGH);
8338 /* Check if need to power down the SFP+ module */
8339 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8340 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
8341 DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
8342 bnx2x_power_sfp_module(params, phy, 0);
8346 /* Turn off fault module-detected led */
8347 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
8350 /* Check and set limiting mode / LRM mode on 8726. On 8727 it
8351 * is done automatically
8353 bnx2x_set_limiting_mode(params, phy, edc_mode);
8355 /* Enable transmit for this module if the module is approved, or
8356 * if unapproved modules should also enable the Tx laser
8359 (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8360 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
8361 bnx2x_sfp_set_transmitter(params, phy, 1);
8363 bnx2x_sfp_set_transmitter(params, phy, 0);
8368 void bnx2x_handle_module_detect_int(struct link_params *params)
8370 struct bnx2x *bp = params->bp;
8371 struct bnx2x_phy *phy;
8373 u8 gpio_num, gpio_port;
8375 phy = ¶ms->phy[INT_PHY];
8377 phy = ¶ms->phy[EXT_PHY1];
8379 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
8380 params->port, &gpio_num, &gpio_port) ==
8382 DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
8386 /* Set valid module led off */
8387 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
8389 /* Get current gpio val reflecting module plugged in / out*/
8390 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
8392 /* Call the handling function in case module is detected */
8393 if (gpio_val == 0) {
8394 bnx2x_power_sfp_module(params, phy, 1);
8395 bnx2x_set_gpio_int(bp, gpio_num,
8396 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
8398 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
8399 bnx2x_sfp_module_detection(phy, params);
8401 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
8403 u32 val = REG_RD(bp, params->shmem_base +
8404 offsetof(struct shmem_region, dev_info.
8405 port_feature_config[params->port].
8407 bnx2x_set_gpio_int(bp, gpio_num,
8408 MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
8410 /* Module was plugged out.
8411 * Disable transmit for this module
8413 phy->media_type = ETH_PHY_NOT_PRESENT;
8414 if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8415 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
8417 bnx2x_sfp_set_transmitter(params, phy, 0);
8421 /******************************************************************/
8422 /* Used by 8706 and 8727 */
8423 /******************************************************************/
8424 static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
8425 struct bnx2x_phy *phy,
8426 u16 alarm_status_offset,
8427 u16 alarm_ctrl_offset)
8429 u16 alarm_status, val;
8430 bnx2x_cl45_read(bp, phy,
8431 MDIO_PMA_DEVAD, alarm_status_offset,
8433 bnx2x_cl45_read(bp, phy,
8434 MDIO_PMA_DEVAD, alarm_status_offset,
8436 /* Mask or enable the fault event. */
8437 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
8438 if (alarm_status & (1<<0))
8442 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
8444 /******************************************************************/
8445 /* common BCM8706/BCM8726 PHY SECTION */
8446 /******************************************************************/
8447 static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
8448 struct link_params *params,
8449 struct link_vars *vars)
8452 u16 val1, val2, rx_sd, pcs_status;
8453 struct bnx2x *bp = params->bp;
8454 DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
8456 bnx2x_cl45_read(bp, phy,
8457 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
8459 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8460 MDIO_PMA_LASI_TXCTRL);
8462 /* clear LASI indication*/
8463 bnx2x_cl45_read(bp, phy,
8464 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
8465 bnx2x_cl45_read(bp, phy,
8466 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
8467 DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8469 bnx2x_cl45_read(bp, phy,
8470 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8471 bnx2x_cl45_read(bp, phy,
8472 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
8473 bnx2x_cl45_read(bp, phy,
8474 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8475 bnx2x_cl45_read(bp, phy,
8476 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8478 DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
8479 " link_status 0x%x\n", rx_sd, pcs_status, val2);
8480 /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
8481 * are set, or if the autoneg bit 1 is set
8483 link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
8486 vars->line_speed = SPEED_1000;
8488 vars->line_speed = SPEED_10000;
8489 bnx2x_ext_phy_resolve_fc(phy, params, vars);
8490 vars->duplex = DUPLEX_FULL;
8493 /* Capture 10G link fault. Read twice to clear stale value. */
8494 if (vars->line_speed == SPEED_10000) {
8495 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8496 MDIO_PMA_LASI_TXSTAT, &val1);
8497 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8498 MDIO_PMA_LASI_TXSTAT, &val1);
8500 vars->fault_detected = 1;
8506 /******************************************************************/
8507 /* BCM8706 PHY SECTION */
8508 /******************************************************************/
8509 static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
8510 struct link_params *params,
8511 struct link_vars *vars)
8515 struct bnx2x *bp = params->bp;
8517 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
8518 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
8520 bnx2x_ext_phy_hw_reset(bp, params->port);
8521 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
8522 bnx2x_wait_reset_complete(bp, phy, params);
8524 /* Wait until fw is loaded */
8525 for (cnt = 0; cnt < 100; cnt++) {
8526 bnx2x_cl45_read(bp, phy,
8527 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
8532 DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
8533 if ((params->feature_config_flags &
8534 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8537 for (i = 0; i < 4; i++) {
8538 reg = MDIO_XS_8706_REG_BANK_RX0 +
8539 i*(MDIO_XS_8706_REG_BANK_RX1 -
8540 MDIO_XS_8706_REG_BANK_RX0);
8541 bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
8542 /* Clear first 3 bits of the control */
8544 /* Set control bits according to configuration */
8545 val |= (phy->rx_preemphasis[i] & 0x7);
8546 DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
8547 " reg 0x%x <-- val 0x%x\n", reg, val);
8548 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
8552 if (phy->req_line_speed == SPEED_10000) {
8553 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
8555 bnx2x_cl45_write(bp, phy,
8557 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
8558 bnx2x_cl45_write(bp, phy,
8559 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8561 /* Arm LASI for link and Tx fault. */
8562 bnx2x_cl45_write(bp, phy,
8563 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
8565 /* Force 1Gbps using autoneg with 1G advertisement */
8567 /* Allow CL37 through CL73 */
8568 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
8569 bnx2x_cl45_write(bp, phy,
8570 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8572 /* Enable Full-Duplex advertisement on CL37 */
8573 bnx2x_cl45_write(bp, phy,
8574 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
8575 /* Enable CL37 AN */
8576 bnx2x_cl45_write(bp, phy,
8577 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8579 bnx2x_cl45_write(bp, phy,
8580 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
8582 /* Enable clause 73 AN */
8583 bnx2x_cl45_write(bp, phy,
8584 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8585 bnx2x_cl45_write(bp, phy,
8586 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8588 bnx2x_cl45_write(bp, phy,
8589 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
8592 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8594 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
8595 * power mode, if TX Laser is disabled
8598 tx_en_mode = REG_RD(bp, params->shmem_base +
8599 offsetof(struct shmem_region,
8600 dev_info.port_hw_config[params->port].sfp_ctrl))
8601 & PORT_HW_CFG_TX_LASER_MASK;
8603 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8604 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8605 bnx2x_cl45_read(bp, phy,
8606 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
8608 bnx2x_cl45_write(bp, phy,
8609 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
8615 static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
8616 struct link_params *params,
8617 struct link_vars *vars)
8619 return bnx2x_8706_8726_read_status(phy, params, vars);
8622 /******************************************************************/
8623 /* BCM8726 PHY SECTION */
8624 /******************************************************************/
8625 static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
8626 struct link_params *params)
8628 struct bnx2x *bp = params->bp;
8629 DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
8630 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
8633 static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
8634 struct link_params *params)
8636 struct bnx2x *bp = params->bp;
8637 /* Need to wait 100ms after reset */
8640 /* Micro controller re-boot */
8641 bnx2x_cl45_write(bp, phy,
8642 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
8644 /* Set soft reset */
8645 bnx2x_cl45_write(bp, phy,
8647 MDIO_PMA_REG_GEN_CTRL,
8648 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
8650 bnx2x_cl45_write(bp, phy,
8652 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
8654 bnx2x_cl45_write(bp, phy,
8656 MDIO_PMA_REG_GEN_CTRL,
8657 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
8659 /* wait for 150ms for microcode load */
8662 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
8663 bnx2x_cl45_write(bp, phy,
8665 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
8668 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8671 static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
8672 struct link_params *params,
8673 struct link_vars *vars)
8675 struct bnx2x *bp = params->bp;
8677 u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
8679 bnx2x_cl45_read(bp, phy,
8680 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
8682 if (val1 & (1<<15)) {
8683 DP(NETIF_MSG_LINK, "Tx is disabled\n");
8685 vars->line_speed = 0;
8692 static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
8693 struct link_params *params,
8694 struct link_vars *vars)
8696 struct bnx2x *bp = params->bp;
8697 DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
8699 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
8700 bnx2x_wait_reset_complete(bp, phy, params);
8702 bnx2x_8726_external_rom_boot(phy, params);
8704 /* Need to call module detected on initialization since the module
8705 * detection triggered by actual module insertion might occur before
8706 * driver is loaded, and when driver is loaded, it reset all
8707 * registers, including the transmitter
8709 bnx2x_sfp_module_detection(phy, params);
8711 if (phy->req_line_speed == SPEED_1000) {
8712 DP(NETIF_MSG_LINK, "Setting 1G force\n");
8713 bnx2x_cl45_write(bp, phy,
8714 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
8715 bnx2x_cl45_write(bp, phy,
8716 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
8717 bnx2x_cl45_write(bp, phy,
8718 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
8719 bnx2x_cl45_write(bp, phy,
8720 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8722 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
8723 (phy->speed_cap_mask &
8724 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
8725 ((phy->speed_cap_mask &
8726 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
8727 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
8728 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
8729 /* Set Flow control */
8730 bnx2x_ext_phy_set_pause(params, phy, vars);
8731 bnx2x_cl45_write(bp, phy,
8732 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
8733 bnx2x_cl45_write(bp, phy,
8734 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8735 bnx2x_cl45_write(bp, phy,
8736 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
8737 bnx2x_cl45_write(bp, phy,
8738 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8739 bnx2x_cl45_write(bp, phy,
8740 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8741 /* Enable RX-ALARM control to receive interrupt for 1G speed
8744 bnx2x_cl45_write(bp, phy,
8745 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
8746 bnx2x_cl45_write(bp, phy,
8747 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8750 } else { /* Default 10G. Set only LASI control */
8751 bnx2x_cl45_write(bp, phy,
8752 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
8755 /* Set TX PreEmphasis if needed */
8756 if ((params->feature_config_flags &
8757 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8759 "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
8760 phy->tx_preemphasis[0],
8761 phy->tx_preemphasis[1]);
8762 bnx2x_cl45_write(bp, phy,
8764 MDIO_PMA_REG_8726_TX_CTRL1,
8765 phy->tx_preemphasis[0]);
8767 bnx2x_cl45_write(bp, phy,
8769 MDIO_PMA_REG_8726_TX_CTRL2,
8770 phy->tx_preemphasis[1]);
8777 static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
8778 struct link_params *params)
8780 struct bnx2x *bp = params->bp;
8781 DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
8782 /* Set serial boot control for external load */
8783 bnx2x_cl45_write(bp, phy,
8785 MDIO_PMA_REG_GEN_CTRL, 0x0001);
8788 /******************************************************************/
8789 /* BCM8727 PHY SECTION */
8790 /******************************************************************/
8792 static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
8793 struct link_params *params, u8 mode)
8795 struct bnx2x *bp = params->bp;
8796 u16 led_mode_bitmask = 0;
8797 u16 gpio_pins_bitmask = 0;
8799 /* Only NOC flavor requires to set the LED specifically */
8800 if (!(phy->flags & FLAGS_NOC))
8803 case LED_MODE_FRONT_PANEL_OFF:
8805 led_mode_bitmask = 0;
8806 gpio_pins_bitmask = 0x03;
8809 led_mode_bitmask = 0;
8810 gpio_pins_bitmask = 0x02;
8813 led_mode_bitmask = 0x60;
8814 gpio_pins_bitmask = 0x11;
8817 bnx2x_cl45_read(bp, phy,
8819 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8822 val |= led_mode_bitmask;
8823 bnx2x_cl45_write(bp, phy,
8825 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8827 bnx2x_cl45_read(bp, phy,
8829 MDIO_PMA_REG_8727_GPIO_CTRL,
8832 val |= gpio_pins_bitmask;
8833 bnx2x_cl45_write(bp, phy,
8835 MDIO_PMA_REG_8727_GPIO_CTRL,
8838 static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
8839 struct link_params *params) {
8840 u32 swap_val, swap_override;
8842 /* The PHY reset is controlled by GPIO 1. Fake the port number
8843 * to cancel the swap done in set_gpio()
8845 struct bnx2x *bp = params->bp;
8846 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
8847 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
8848 port = (swap_val && swap_override) ^ 1;
8849 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
8850 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
8853 static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
8854 struct link_params *params,
8855 struct link_vars *vars)
8858 u16 tmp1, val, mod_abs, tmp2;
8859 u16 rx_alarm_ctrl_val;
8861 struct bnx2x *bp = params->bp;
8862 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
8864 bnx2x_wait_reset_complete(bp, phy, params);
8865 rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
8866 /* Should be 0x6 to enable XS on Tx side. */
8867 lasi_ctrl_val = 0x0006;
8869 DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
8871 bnx2x_cl45_write(bp, phy,
8872 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8874 bnx2x_cl45_write(bp, phy,
8875 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8877 bnx2x_cl45_write(bp, phy,
8878 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
8880 /* Initially configure MOD_ABS to interrupt when module is
8883 bnx2x_cl45_read(bp, phy,
8884 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
8885 /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
8886 * When the EDC is off it locks onto a reference clock and avoids
8890 if (!(phy->flags & FLAGS_NOC))
8892 bnx2x_cl45_write(bp, phy,
8893 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
8896 /* Enable/Disable PHY transmitter output */
8897 bnx2x_set_disable_pmd_transmit(params, phy, 0);
8899 /* Make MOD_ABS give interrupt on change */
8900 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8903 if (phy->flags & FLAGS_NOC)
8906 /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
8907 * status which reflect SFP+ module over-current
8909 if (!(phy->flags & FLAGS_NOC))
8910 val &= 0xff8f; /* Reset bits 4-6 */
8911 bnx2x_cl45_write(bp, phy,
8912 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
8914 bnx2x_8727_power_module(bp, phy, 1);
8916 bnx2x_cl45_read(bp, phy,
8917 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
8919 bnx2x_cl45_read(bp, phy,
8920 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
8922 /* Set option 1G speed */
8923 if (phy->req_line_speed == SPEED_1000) {
8924 DP(NETIF_MSG_LINK, "Setting 1G force\n");
8925 bnx2x_cl45_write(bp, phy,
8926 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
8927 bnx2x_cl45_write(bp, phy,
8928 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
8929 bnx2x_cl45_read(bp, phy,
8930 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
8931 DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
8932 /* Power down the XAUI until link is up in case of dual-media
8935 if (DUAL_MEDIA(params)) {
8936 bnx2x_cl45_read(bp, phy,
8938 MDIO_PMA_REG_8727_PCS_GP, &val);
8940 bnx2x_cl45_write(bp, phy,
8942 MDIO_PMA_REG_8727_PCS_GP, val);
8944 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
8945 ((phy->speed_cap_mask &
8946 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
8947 ((phy->speed_cap_mask &
8948 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
8949 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
8951 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
8952 bnx2x_cl45_write(bp, phy,
8953 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
8954 bnx2x_cl45_write(bp, phy,
8955 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
8957 /* Since the 8727 has only single reset pin, need to set the 10G
8958 * registers although it is default
8960 bnx2x_cl45_write(bp, phy,
8961 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
8963 bnx2x_cl45_write(bp, phy,
8964 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
8965 bnx2x_cl45_write(bp, phy,
8966 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
8967 bnx2x_cl45_write(bp, phy,
8968 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
8972 /* Set 2-wire transfer rate of SFP+ module EEPROM
8973 * to 100Khz since some DACs(direct attached cables) do
8974 * not work at 400Khz.
8976 bnx2x_cl45_write(bp, phy,
8977 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
8980 /* Set TX PreEmphasis if needed */
8981 if ((params->feature_config_flags &
8982 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8983 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
8984 phy->tx_preemphasis[0],
8985 phy->tx_preemphasis[1]);
8986 bnx2x_cl45_write(bp, phy,
8987 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
8988 phy->tx_preemphasis[0]);
8990 bnx2x_cl45_write(bp, phy,
8991 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
8992 phy->tx_preemphasis[1]);
8995 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
8996 * power mode, if TX Laser is disabled
8998 tx_en_mode = REG_RD(bp, params->shmem_base +
8999 offsetof(struct shmem_region,
9000 dev_info.port_hw_config[params->port].sfp_ctrl))
9001 & PORT_HW_CFG_TX_LASER_MASK;
9003 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9005 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
9006 bnx2x_cl45_read(bp, phy,
9007 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
9010 bnx2x_cl45_write(bp, phy,
9011 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
9012 bnx2x_cl45_read(bp, phy,
9013 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9015 bnx2x_cl45_write(bp, phy,
9016 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9023 static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
9024 struct link_params *params)
9026 struct bnx2x *bp = params->bp;
9027 u16 mod_abs, rx_alarm_status;
9028 u32 val = REG_RD(bp, params->shmem_base +
9029 offsetof(struct shmem_region, dev_info.
9030 port_feature_config[params->port].
9032 bnx2x_cl45_read(bp, phy,
9034 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9035 if (mod_abs & (1<<8)) {
9037 /* Module is absent */
9039 "MOD_ABS indication show module is absent\n");
9040 phy->media_type = ETH_PHY_NOT_PRESENT;
9041 /* 1. Set mod_abs to detect next module
9043 * 2. Set EDC off by setting OPTXLOS signal input to low
9045 * When the EDC is off it locks onto a reference clock and
9046 * avoids becoming 'lost'.
9049 if (!(phy->flags & FLAGS_NOC))
9051 bnx2x_cl45_write(bp, phy,
9053 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9055 /* Clear RX alarm since it stays up as long as
9056 * the mod_abs wasn't changed
9058 bnx2x_cl45_read(bp, phy,
9060 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9063 /* Module is present */
9065 "MOD_ABS indication show module is present\n");
9066 /* First disable transmitter, and if the module is ok, the
9067 * module_detection will enable it
9068 * 1. Set mod_abs to detect next module absent event ( bit 8)
9069 * 2. Restore the default polarity of the OPRXLOS signal and
9070 * this signal will then correctly indicate the presence or
9071 * absence of the Rx signal. (bit 9)
9074 if (!(phy->flags & FLAGS_NOC))
9076 bnx2x_cl45_write(bp, phy,
9078 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9080 /* Clear RX alarm since it stays up as long as the mod_abs
9081 * wasn't changed. This is need to be done before calling the
9082 * module detection, otherwise it will clear* the link update
9085 bnx2x_cl45_read(bp, phy,
9087 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9090 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9091 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
9092 bnx2x_sfp_set_transmitter(params, phy, 0);
9094 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
9095 bnx2x_sfp_module_detection(phy, params);
9097 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
9100 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
9102 /* No need to check link status in case of module plugged in/out */
9105 static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
9106 struct link_params *params,
9107 struct link_vars *vars)
9110 struct bnx2x *bp = params->bp;
9111 u8 link_up = 0, oc_port = params->port;
9112 u16 link_status = 0;
9113 u16 rx_alarm_status, lasi_ctrl, val1;
9115 /* If PHY is not initialized, do not check link status */
9116 bnx2x_cl45_read(bp, phy,
9117 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
9122 /* Check the LASI on Rx */
9123 bnx2x_cl45_read(bp, phy,
9124 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
9126 vars->line_speed = 0;
9127 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
9129 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
9130 MDIO_PMA_LASI_TXCTRL);
9132 bnx2x_cl45_read(bp, phy,
9133 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
9135 DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
9138 bnx2x_cl45_read(bp, phy,
9139 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
9141 /* If a module is present and there is need to check
9144 if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
9145 /* Check over-current using 8727 GPIO0 input*/
9146 bnx2x_cl45_read(bp, phy,
9147 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
9150 if ((val1 & (1<<8)) == 0) {
9151 if (!CHIP_IS_E1x(bp))
9152 oc_port = BP_PATH(bp) + (params->port << 1);
9154 "8727 Power fault has been detected on port %d\n",
9156 netdev_err(bp->dev, "Error: Power fault on Port %d has "
9157 "been detected and the power to "
9158 "that SFP+ module has been removed "
9159 "to prevent failure of the card. "
9160 "Please remove the SFP+ module and "
9161 "restart the system to clear this "
9164 /* Disable all RX_ALARMs except for mod_abs */
9165 bnx2x_cl45_write(bp, phy,
9167 MDIO_PMA_LASI_RXCTRL, (1<<5));
9169 bnx2x_cl45_read(bp, phy,
9171 MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
9172 /* Wait for module_absent_event */
9174 bnx2x_cl45_write(bp, phy,
9176 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
9177 /* Clear RX alarm */
9178 bnx2x_cl45_read(bp, phy,
9180 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9183 } /* Over current check */
9185 /* When module absent bit is set, check module */
9186 if (rx_alarm_status & (1<<5)) {
9187 bnx2x_8727_handle_mod_abs(phy, params);
9188 /* Enable all mod_abs and link detection bits */
9189 bnx2x_cl45_write(bp, phy,
9190 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9194 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
9195 DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
9196 bnx2x_sfp_set_transmitter(params, phy, 1);
9198 DP(NETIF_MSG_LINK, "Tx is disabled\n");
9202 bnx2x_cl45_read(bp, phy,
9204 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
9206 /* Bits 0..2 --> speed detected,
9207 * Bits 13..15--> link is down
9209 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
9211 vars->line_speed = SPEED_10000;
9212 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
9214 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
9216 vars->line_speed = SPEED_1000;
9217 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
9221 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
9225 /* Capture 10G link fault. */
9226 if (vars->line_speed == SPEED_10000) {
9227 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9228 MDIO_PMA_LASI_TXSTAT, &val1);
9230 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9231 MDIO_PMA_LASI_TXSTAT, &val1);
9233 if (val1 & (1<<0)) {
9234 vars->fault_detected = 1;
9239 bnx2x_ext_phy_resolve_fc(phy, params, vars);
9240 vars->duplex = DUPLEX_FULL;
9241 DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
9244 if ((DUAL_MEDIA(params)) &&
9245 (phy->req_line_speed == SPEED_1000)) {
9246 bnx2x_cl45_read(bp, phy,
9248 MDIO_PMA_REG_8727_PCS_GP, &val1);
9249 /* In case of dual-media board and 1G, power up the XAUI side,
9250 * otherwise power it down. For 10G it is done automatically
9256 bnx2x_cl45_write(bp, phy,
9258 MDIO_PMA_REG_8727_PCS_GP, val1);
9263 static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
9264 struct link_params *params)
9266 struct bnx2x *bp = params->bp;
9268 /* Enable/Disable PHY transmitter output */
9269 bnx2x_set_disable_pmd_transmit(params, phy, 1);
9271 /* Disable Transmitter */
9272 bnx2x_sfp_set_transmitter(params, phy, 0);
9274 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
9278 /******************************************************************/
9279 /* BCM8481/BCM84823/BCM84833 PHY SECTION */
9280 /******************************************************************/
9281 static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
9285 u16 val, fw_ver1, fw_ver2, cnt;
9287 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9288 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
9289 bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
9292 /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
9293 /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
9294 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
9295 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9296 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
9297 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
9298 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
9300 for (cnt = 0; cnt < 100; cnt++) {
9301 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9307 DP(NETIF_MSG_LINK, "Unable to read 848xx "
9308 "phy fw version(1)\n");
9309 bnx2x_save_spirom_version(bp, port, 0,
9315 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
9316 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
9317 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9318 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
9319 for (cnt = 0; cnt < 100; cnt++) {
9320 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9326 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
9328 bnx2x_save_spirom_version(bp, port, 0,
9333 /* lower 16 bits of the register SPI_FW_STATUS */
9334 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
9335 /* upper 16 bits of register SPI_FW_STATUS */
9336 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
9338 bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
9343 static void bnx2x_848xx_set_led(struct bnx2x *bp,
9344 struct bnx2x_phy *phy)
9348 /* PHYC_CTL_LED_CTL */
9349 bnx2x_cl45_read(bp, phy,
9351 MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
9355 bnx2x_cl45_write(bp, phy,
9357 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
9359 bnx2x_cl45_write(bp, phy,
9361 MDIO_PMA_REG_8481_LED1_MASK,
9364 bnx2x_cl45_write(bp, phy,
9366 MDIO_PMA_REG_8481_LED2_MASK,
9369 /* Select activity source by Tx and Rx, as suggested by PHY AE */
9370 bnx2x_cl45_write(bp, phy,
9372 MDIO_PMA_REG_8481_LED3_MASK,
9375 /* Select the closest activity blink rate to that in 10/100/1000 */
9376 bnx2x_cl45_write(bp, phy,
9378 MDIO_PMA_REG_8481_LED3_BLINK,
9381 /* Configure the blink rate to ~15.9 Hz */
9382 bnx2x_cl45_write(bp, phy,
9384 MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
9385 MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
9387 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
9388 offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
9390 offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
9392 bnx2x_cl45_read(bp, phy,
9393 MDIO_PMA_DEVAD, offset, &val);
9394 val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
9395 bnx2x_cl45_write(bp, phy,
9396 MDIO_PMA_DEVAD, offset, val);
9398 /* 'Interrupt Mask' */
9399 bnx2x_cl45_write(bp, phy,
9404 static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
9405 struct link_params *params,
9406 struct link_vars *vars)
9408 struct bnx2x *bp = params->bp;
9409 u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
9411 if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9412 /* Save spirom version */
9413 bnx2x_save_848xx_spirom_version(phy, bp, params->port);
9415 /* This phy uses the NIG latch mechanism since link indication
9416 * arrives through its LED4 and not via its LASI signal, so we
9417 * get steady signal instead of clear on read
9419 bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
9420 1 << NIG_LATCH_BC_ENABLE_MI_INT);
9422 bnx2x_cl45_write(bp, phy,
9423 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
9425 bnx2x_848xx_set_led(bp, phy);
9427 /* set 1000 speed advertisement */
9428 bnx2x_cl45_read(bp, phy,
9429 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9432 bnx2x_ext_phy_set_pause(params, phy, vars);
9433 bnx2x_cl45_read(bp, phy,
9435 MDIO_AN_REG_8481_LEGACY_AN_ADV,
9437 bnx2x_cl45_read(bp, phy,
9438 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9440 /* Disable forced speed */
9441 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9442 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
9444 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9445 (phy->speed_cap_mask &
9446 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9447 (phy->req_line_speed == SPEED_1000)) {
9448 an_1000_val |= (1<<8);
9449 autoneg_val |= (1<<9 | 1<<12);
9450 if (phy->req_duplex == DUPLEX_FULL)
9451 an_1000_val |= (1<<9);
9452 DP(NETIF_MSG_LINK, "Advertising 1G\n");
9454 an_1000_val &= ~((1<<8) | (1<<9));
9456 bnx2x_cl45_write(bp, phy,
9457 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9460 /* set 100 speed advertisement */
9461 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9462 (phy->speed_cap_mask &
9463 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
9464 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
9465 an_10_100_val |= (1<<7);
9466 /* Enable autoneg and restart autoneg for legacy speeds */
9467 autoneg_val |= (1<<9 | 1<<12);
9469 if (phy->req_duplex == DUPLEX_FULL)
9470 an_10_100_val |= (1<<8);
9471 DP(NETIF_MSG_LINK, "Advertising 100M\n");
9473 /* set 10 speed advertisement */
9474 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9475 (phy->speed_cap_mask &
9476 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
9477 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
9479 (SUPPORTED_10baseT_Half |
9480 SUPPORTED_10baseT_Full)))) {
9481 an_10_100_val |= (1<<5);
9482 autoneg_val |= (1<<9 | 1<<12);
9483 if (phy->req_duplex == DUPLEX_FULL)
9484 an_10_100_val |= (1<<6);
9485 DP(NETIF_MSG_LINK, "Advertising 10M\n");
9488 /* Only 10/100 are allowed to work in FORCE mode */
9489 if ((phy->req_line_speed == SPEED_100) &&
9491 (SUPPORTED_100baseT_Half |
9492 SUPPORTED_100baseT_Full))) {
9493 autoneg_val |= (1<<13);
9494 /* Enabled AUTO-MDIX when autoneg is disabled */
9495 bnx2x_cl45_write(bp, phy,
9496 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9497 (1<<15 | 1<<9 | 7<<0));
9498 /* The PHY needs this set even for forced link. */
9499 an_10_100_val |= (1<<8) | (1<<7);
9500 DP(NETIF_MSG_LINK, "Setting 100M force\n");
9502 if ((phy->req_line_speed == SPEED_10) &&
9504 (SUPPORTED_10baseT_Half |
9505 SUPPORTED_10baseT_Full))) {
9506 /* Enabled AUTO-MDIX when autoneg is disabled */
9507 bnx2x_cl45_write(bp, phy,
9508 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9509 (1<<15 | 1<<9 | 7<<0));
9510 DP(NETIF_MSG_LINK, "Setting 10M force\n");
9513 bnx2x_cl45_write(bp, phy,
9514 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
9517 if (phy->req_duplex == DUPLEX_FULL)
9518 autoneg_val |= (1<<8);
9520 /* Always write this if this is not 84833.
9521 * For 84833, write it only when it's a forced speed.
9523 if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9524 ((autoneg_val & (1<<12)) == 0))
9525 bnx2x_cl45_write(bp, phy,
9527 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
9529 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9530 (phy->speed_cap_mask &
9531 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
9532 (phy->req_line_speed == SPEED_10000)) {
9533 DP(NETIF_MSG_LINK, "Advertising 10G\n");
9534 /* Restart autoneg for 10G*/
9536 bnx2x_cl45_read(bp, phy,
9538 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9540 bnx2x_cl45_write(bp, phy,
9542 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9543 an_10g_val | 0x1000);
9544 bnx2x_cl45_write(bp, phy,
9545 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
9548 bnx2x_cl45_write(bp, phy,
9550 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9556 static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
9557 struct link_params *params,
9558 struct link_vars *vars)
9560 struct bnx2x *bp = params->bp;
9561 /* Restore normal power mode*/
9562 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
9563 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
9566 bnx2x_ext_phy_hw_reset(bp, params->port);
9567 bnx2x_wait_reset_complete(bp, phy, params);
9569 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9570 return bnx2x_848xx_cmn_config_init(phy, params, vars);
9573 #define PHY84833_CMDHDLR_WAIT 300
9574 #define PHY84833_CMDHDLR_MAX_ARGS 5
9575 static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
9576 struct link_params *params,
9582 struct bnx2x *bp = params->bp;
9583 /* Write CMD_OPEN_OVERRIDE to STATUS reg */
9584 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9585 MDIO_84833_CMD_HDLR_STATUS,
9586 PHY84833_STATUS_CMD_OPEN_OVERRIDE);
9587 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9588 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9589 MDIO_84833_CMD_HDLR_STATUS, &val);
9590 if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
9594 if (idx >= PHY84833_CMDHDLR_WAIT) {
9595 DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
9599 /* Prepare argument(s) and issue command */
9600 for (idx = 0; idx < PHY84833_CMDHDLR_MAX_ARGS; idx++) {
9601 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9602 MDIO_84833_CMD_HDLR_DATA1 + idx,
9605 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9606 MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
9607 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9608 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9609 MDIO_84833_CMD_HDLR_STATUS, &val);
9610 if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
9611 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
9615 if ((idx >= PHY84833_CMDHDLR_WAIT) ||
9616 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
9617 DP(NETIF_MSG_LINK, "FW cmd failed.\n");
9620 /* Gather returning data */
9621 for (idx = 0; idx < PHY84833_CMDHDLR_MAX_ARGS; idx++) {
9622 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9623 MDIO_84833_CMD_HDLR_DATA1 + idx,
9626 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9627 MDIO_84833_CMD_HDLR_STATUS,
9628 PHY84833_STATUS_CMD_CLEAR_COMPLETE);
9633 static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
9634 struct link_params *params,
9635 struct link_vars *vars)
9638 u16 data[PHY84833_CMDHDLR_MAX_ARGS];
9640 struct bnx2x *bp = params->bp;
9642 /* Check for configuration. */
9643 pair_swap = REG_RD(bp, params->shmem_base +
9644 offsetof(struct shmem_region,
9645 dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
9646 PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
9651 /* Only the second argument is used for this command */
9652 data[1] = (u16)pair_swap;
9654 status = bnx2x_84833_cmd_hdlr(phy, params,
9655 PHY84833_CMD_SET_PAIR_SWAP, data);
9657 DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
9662 static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
9663 u32 shmem_base_path[],
9669 if (CHIP_IS_E3(bp)) {
9670 /* Assume that these will be GPIOs, not EPIOs. */
9671 for (idx = 0; idx < 2; idx++) {
9672 /* Map config param to register bit. */
9673 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9674 offsetof(struct shmem_region,
9675 dev_info.port_hw_config[0].e3_cmn_pin_cfg));
9676 reset_pin[idx] = (reset_pin[idx] &
9677 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
9678 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
9679 reset_pin[idx] -= PIN_CFG_GPIO0_P0;
9680 reset_pin[idx] = (1 << reset_pin[idx]);
9682 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9684 /* E2, look from diff place of shmem. */
9685 for (idx = 0; idx < 2; idx++) {
9686 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9687 offsetof(struct shmem_region,
9688 dev_info.port_hw_config[0].default_cfg));
9689 reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
9690 reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
9691 reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
9692 reset_pin[idx] = (1 << reset_pin[idx]);
9694 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9700 static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
9701 struct link_params *params)
9703 struct bnx2x *bp = params->bp;
9705 u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
9706 offsetof(struct shmem2_region,
9707 other_shmem_base_addr));
9709 u32 shmem_base_path[2];
9711 /* Work around for 84833 LED failure inside RESET status */
9712 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
9713 MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9714 MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
9715 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
9716 MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
9717 MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
9719 shmem_base_path[0] = params->shmem_base;
9720 shmem_base_path[1] = other_shmem_base_addr;
9722 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
9725 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
9727 DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
9733 #define PHY84833_CONSTANT_LATENCY 1193
9734 static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
9735 struct link_params *params,
9736 struct link_vars *vars)
9738 struct bnx2x *bp = params->bp;
9739 u8 port, initialize = 1;
9741 u32 actual_phy_selection, cms_enable;
9742 u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
9747 if (!(CHIP_IS_E1(bp)))
9750 port = params->port;
9752 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
9753 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
9754 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
9758 bnx2x_cl45_write(bp, phy,
9760 MDIO_PMA_REG_CTRL, 0x8000);
9763 bnx2x_wait_reset_complete(bp, phy, params);
9765 /* Wait for GPHY to come out of reset */
9767 if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9768 /* BCM84823 requires that XGXS links up first @ 10G for normal
9772 temp = vars->line_speed;
9773 vars->line_speed = SPEED_10000;
9774 bnx2x_set_autoneg(¶ms->phy[INT_PHY], params, vars, 0);
9775 bnx2x_program_serdes(¶ms->phy[INT_PHY], params, vars);
9776 vars->line_speed = temp;
9779 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9780 MDIO_CTL_REG_84823_MEDIA, &val);
9781 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
9782 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
9783 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
9784 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
9785 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
9787 if (CHIP_IS_E3(bp)) {
9788 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
9789 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
9791 val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
9792 MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
9795 actual_phy_selection = bnx2x_phy_selection(params);
9797 switch (actual_phy_selection) {
9798 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
9799 /* Do nothing. Essentially this is like the priority copper */
9801 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
9802 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
9804 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
9805 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
9807 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
9808 /* Do nothing here. The first PHY won't be initialized at all */
9810 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
9811 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
9815 if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
9816 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
9818 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9819 MDIO_CTL_REG_84823_MEDIA, val);
9820 DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
9821 params->multi_phy_config, val);
9823 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9824 bnx2x_84833_pair_swap_cfg(phy, params, vars);
9826 /* Keep AutogrEEEn disabled. */
9829 cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
9830 cmd_args[3] = PHY84833_CONSTANT_LATENCY;
9831 rc = bnx2x_84833_cmd_hdlr(phy, params,
9832 PHY84833_CMD_SET_EEE_MODE, cmd_args);
9834 DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
9837 rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
9839 bnx2x_save_848xx_spirom_version(phy, bp, params->port);
9840 /* 84833 PHY has a better feature and doesn't need to support this. */
9841 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
9842 cms_enable = REG_RD(bp, params->shmem_base +
9843 offsetof(struct shmem_region,
9844 dev_info.port_hw_config[params->port].default_cfg)) &
9845 PORT_HW_CFG_ENABLE_CMS_MASK;
9847 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9848 MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
9850 val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
9852 val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
9853 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9854 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
9857 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9858 /* Bring PHY out of super isolate mode as the final step. */
9859 bnx2x_cl45_read(bp, phy,
9861 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
9862 val &= ~MDIO_84833_SUPER_ISOLATE;
9863 bnx2x_cl45_write(bp, phy,
9865 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
9870 static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
9871 struct link_params *params,
9872 struct link_vars *vars)
9874 struct bnx2x *bp = params->bp;
9875 u16 val, val1, val2;
9879 /* Check 10G-BaseT link status */
9880 /* Check PMD signal ok */
9881 bnx2x_cl45_read(bp, phy,
9882 MDIO_AN_DEVAD, 0xFFFA, &val1);
9883 bnx2x_cl45_read(bp, phy,
9884 MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
9886 DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
9888 /* Check link 10G */
9889 if (val2 & (1<<11)) {
9890 vars->line_speed = SPEED_10000;
9891 vars->duplex = DUPLEX_FULL;
9893 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
9894 } else { /* Check Legacy speed link */
9895 u16 legacy_status, legacy_speed;
9897 /* Enable expansion register 0x42 (Operation mode status) */
9898 bnx2x_cl45_write(bp, phy,
9900 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
9902 /* Get legacy speed operation status */
9903 bnx2x_cl45_read(bp, phy,
9905 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
9908 DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
9910 link_up = ((legacy_status & (1<<11)) == (1<<11));
9912 legacy_speed = (legacy_status & (3<<9));
9913 if (legacy_speed == (0<<9))
9914 vars->line_speed = SPEED_10;
9915 else if (legacy_speed == (1<<9))
9916 vars->line_speed = SPEED_100;
9917 else if (legacy_speed == (2<<9))
9918 vars->line_speed = SPEED_1000;
9919 else /* Should not happen */
9920 vars->line_speed = 0;
9922 if (legacy_status & (1<<8))
9923 vars->duplex = DUPLEX_FULL;
9925 vars->duplex = DUPLEX_HALF;
9928 "Link is up in %dMbps, is_duplex_full= %d\n",
9930 (vars->duplex == DUPLEX_FULL));
9931 /* Check legacy speed AN resolution */
9932 bnx2x_cl45_read(bp, phy,
9934 MDIO_AN_REG_8481_LEGACY_MII_STATUS,
9937 vars->link_status |=
9938 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
9939 bnx2x_cl45_read(bp, phy,
9941 MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
9943 if ((val & (1<<0)) == 0)
9944 vars->link_status |=
9945 LINK_STATUS_PARALLEL_DETECTION_USED;
9949 DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
9951 bnx2x_ext_phy_resolve_fc(phy, params, vars);
9953 /* Read LP advertised speeds */
9954 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
9955 MDIO_AN_REG_CL37_FC_LP, &val);
9957 vars->link_status |=
9958 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
9960 vars->link_status |=
9961 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
9963 vars->link_status |=
9964 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
9966 vars->link_status |=
9967 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
9969 vars->link_status |=
9970 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
9972 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
9973 MDIO_AN_REG_1000T_STATUS, &val);
9976 vars->link_status |=
9977 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
9979 vars->link_status |=
9980 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
9982 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
9983 MDIO_AN_REG_MASTER_STATUS, &val);
9986 vars->link_status |=
9987 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
9994 static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
9998 spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
9999 status = bnx2x_format_ver(spirom_ver, str, len);
10003 static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
10004 struct link_params *params)
10006 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10007 MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
10008 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10009 MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
10012 static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
10013 struct link_params *params)
10015 bnx2x_cl45_write(params->bp, phy,
10016 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
10017 bnx2x_cl45_write(params->bp, phy,
10018 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
10021 static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
10022 struct link_params *params)
10024 struct bnx2x *bp = params->bp;
10028 if (!(CHIP_IS_E1x(bp)))
10029 port = BP_PATH(bp);
10031 port = params->port;
10033 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10034 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10035 MISC_REGISTERS_GPIO_OUTPUT_LOW,
10038 bnx2x_cl45_read(bp, phy,
10040 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
10041 val16 |= MDIO_84833_SUPER_ISOLATE;
10042 bnx2x_cl45_write(bp, phy,
10044 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
10048 static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
10049 struct link_params *params, u8 mode)
10051 struct bnx2x *bp = params->bp;
10055 if (!(CHIP_IS_E1x(bp)))
10056 port = BP_PATH(bp);
10058 port = params->port;
10063 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
10065 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10066 SHARED_HW_CFG_LED_EXTPHY1) {
10068 /* Set LED masks */
10069 bnx2x_cl45_write(bp, phy,
10071 MDIO_PMA_REG_8481_LED1_MASK,
10074 bnx2x_cl45_write(bp, phy,
10076 MDIO_PMA_REG_8481_LED2_MASK,
10079 bnx2x_cl45_write(bp, phy,
10081 MDIO_PMA_REG_8481_LED3_MASK,
10084 bnx2x_cl45_write(bp, phy,
10086 MDIO_PMA_REG_8481_LED5_MASK,
10090 bnx2x_cl45_write(bp, phy,
10092 MDIO_PMA_REG_8481_LED1_MASK,
10096 case LED_MODE_FRONT_PANEL_OFF:
10098 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
10101 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10102 SHARED_HW_CFG_LED_EXTPHY1) {
10104 /* Set LED masks */
10105 bnx2x_cl45_write(bp, phy,
10107 MDIO_PMA_REG_8481_LED1_MASK,
10110 bnx2x_cl45_write(bp, phy,
10112 MDIO_PMA_REG_8481_LED2_MASK,
10115 bnx2x_cl45_write(bp, phy,
10117 MDIO_PMA_REG_8481_LED3_MASK,
10120 bnx2x_cl45_write(bp, phy,
10122 MDIO_PMA_REG_8481_LED5_MASK,
10126 bnx2x_cl45_write(bp, phy,
10128 MDIO_PMA_REG_8481_LED1_MASK,
10134 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
10136 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10137 SHARED_HW_CFG_LED_EXTPHY1) {
10138 /* Set control reg */
10139 bnx2x_cl45_read(bp, phy,
10141 MDIO_PMA_REG_8481_LINK_SIGNAL,
10146 bnx2x_cl45_write(bp, phy,
10148 MDIO_PMA_REG_8481_LINK_SIGNAL,
10151 /* Set LED masks */
10152 bnx2x_cl45_write(bp, phy,
10154 MDIO_PMA_REG_8481_LED1_MASK,
10157 bnx2x_cl45_write(bp, phy,
10159 MDIO_PMA_REG_8481_LED2_MASK,
10162 bnx2x_cl45_write(bp, phy,
10164 MDIO_PMA_REG_8481_LED3_MASK,
10167 bnx2x_cl45_write(bp, phy,
10169 MDIO_PMA_REG_8481_LED5_MASK,
10172 bnx2x_cl45_write(bp, phy,
10174 MDIO_PMA_REG_8481_LED1_MASK,
10179 case LED_MODE_OPER:
10181 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
10183 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10184 SHARED_HW_CFG_LED_EXTPHY1) {
10186 /* Set control reg */
10187 bnx2x_cl45_read(bp, phy,
10189 MDIO_PMA_REG_8481_LINK_SIGNAL,
10193 MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
10194 >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
10195 DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
10196 bnx2x_cl45_write(bp, phy,
10198 MDIO_PMA_REG_8481_LINK_SIGNAL,
10202 /* Set LED masks */
10203 bnx2x_cl45_write(bp, phy,
10205 MDIO_PMA_REG_8481_LED1_MASK,
10208 bnx2x_cl45_write(bp, phy,
10210 MDIO_PMA_REG_8481_LED2_MASK,
10213 bnx2x_cl45_write(bp, phy,
10215 MDIO_PMA_REG_8481_LED3_MASK,
10218 bnx2x_cl45_write(bp, phy,
10220 MDIO_PMA_REG_8481_LED5_MASK,
10224 bnx2x_cl45_write(bp, phy,
10226 MDIO_PMA_REG_8481_LED1_MASK,
10229 /* Tell LED3 to blink on source */
10230 bnx2x_cl45_read(bp, phy,
10232 MDIO_PMA_REG_8481_LINK_SIGNAL,
10235 val |= (1<<6); /* A83B[8:6]= 1 */
10236 bnx2x_cl45_write(bp, phy,
10238 MDIO_PMA_REG_8481_LINK_SIGNAL,
10244 /* This is a workaround for E3+84833 until autoneg
10245 * restart is fixed in f/w
10247 if (CHIP_IS_E3(bp)) {
10248 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
10249 MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
10253 /******************************************************************/
10254 /* 54618SE PHY SECTION */
10255 /******************************************************************/
10256 static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
10257 struct link_params *params,
10258 struct link_vars *vars)
10260 struct bnx2x *bp = params->bp;
10262 u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
10265 DP(NETIF_MSG_LINK, "54618SE cfg init\n");
10266 usleep_range(1000, 1000);
10268 /* This works with E3 only, no need to check the chip
10269 * before determining the port.
10271 port = params->port;
10273 cfg_pin = (REG_RD(bp, params->shmem_base +
10274 offsetof(struct shmem_region,
10275 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10276 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10277 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10279 /* Drive pin high to bring the GPHY out of reset. */
10280 bnx2x_set_cfg_pin(bp, cfg_pin, 1);
10282 /* wait for GPHY to reset */
10286 bnx2x_cl22_write(bp, phy,
10287 MDIO_PMA_REG_CTRL, 0x8000);
10288 bnx2x_wait_reset_complete(bp, phy, params);
10290 /* Wait for GPHY to reset */
10293 /* Configure LED4: set to INTR (0x6). */
10294 /* Accessing shadow register 0xe. */
10295 bnx2x_cl22_write(bp, phy,
10296 MDIO_REG_GPHY_SHADOW,
10297 MDIO_REG_GPHY_SHADOW_LED_SEL2);
10298 bnx2x_cl22_read(bp, phy,
10299 MDIO_REG_GPHY_SHADOW,
10301 temp &= ~(0xf << 4);
10302 temp |= (0x6 << 4);
10303 bnx2x_cl22_write(bp, phy,
10304 MDIO_REG_GPHY_SHADOW,
10305 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10306 /* Configure INTR based on link status change. */
10307 bnx2x_cl22_write(bp, phy,
10308 MDIO_REG_INTR_MASK,
10309 ~MDIO_REG_INTR_MASK_LINK_STATUS);
10311 /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
10312 bnx2x_cl22_write(bp, phy,
10313 MDIO_REG_GPHY_SHADOW,
10314 MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
10315 bnx2x_cl22_read(bp, phy,
10316 MDIO_REG_GPHY_SHADOW,
10318 temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
10319 bnx2x_cl22_write(bp, phy,
10320 MDIO_REG_GPHY_SHADOW,
10321 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10324 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
10325 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
10327 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
10328 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
10329 fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
10331 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
10332 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
10333 fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
10335 /* read all advertisement */
10336 bnx2x_cl22_read(bp, phy,
10340 bnx2x_cl22_read(bp, phy,
10344 bnx2x_cl22_read(bp, phy,
10348 /* Disable forced speed */
10349 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
10350 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
10353 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10354 (phy->speed_cap_mask &
10355 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
10356 (phy->req_line_speed == SPEED_1000)) {
10357 an_1000_val |= (1<<8);
10358 autoneg_val |= (1<<9 | 1<<12);
10359 if (phy->req_duplex == DUPLEX_FULL)
10360 an_1000_val |= (1<<9);
10361 DP(NETIF_MSG_LINK, "Advertising 1G\n");
10363 an_1000_val &= ~((1<<8) | (1<<9));
10365 bnx2x_cl22_write(bp, phy,
10368 bnx2x_cl22_read(bp, phy,
10372 /* set 100 speed advertisement */
10373 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10374 (phy->speed_cap_mask &
10375 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
10376 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
10377 an_10_100_val |= (1<<7);
10378 /* Enable autoneg and restart autoneg for legacy speeds */
10379 autoneg_val |= (1<<9 | 1<<12);
10381 if (phy->req_duplex == DUPLEX_FULL)
10382 an_10_100_val |= (1<<8);
10383 DP(NETIF_MSG_LINK, "Advertising 100M\n");
10386 /* set 10 speed advertisement */
10387 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10388 (phy->speed_cap_mask &
10389 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
10390 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
10391 an_10_100_val |= (1<<5);
10392 autoneg_val |= (1<<9 | 1<<12);
10393 if (phy->req_duplex == DUPLEX_FULL)
10394 an_10_100_val |= (1<<6);
10395 DP(NETIF_MSG_LINK, "Advertising 10M\n");
10398 /* Only 10/100 are allowed to work in FORCE mode */
10399 if (phy->req_line_speed == SPEED_100) {
10400 autoneg_val |= (1<<13);
10401 /* Enabled AUTO-MDIX when autoneg is disabled */
10402 bnx2x_cl22_write(bp, phy,
10404 (1<<15 | 1<<9 | 7<<0));
10405 DP(NETIF_MSG_LINK, "Setting 100M force\n");
10407 if (phy->req_line_speed == SPEED_10) {
10408 /* Enabled AUTO-MDIX when autoneg is disabled */
10409 bnx2x_cl22_write(bp, phy,
10411 (1<<15 | 1<<9 | 7<<0));
10412 DP(NETIF_MSG_LINK, "Setting 10M force\n");
10415 /* Check if we should turn on Auto-GrEEEn */
10416 bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
10417 if (temp == MDIO_REG_GPHY_ID_54618SE) {
10418 if (params->feature_config_flags &
10419 FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
10421 DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
10424 DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
10426 bnx2x_cl22_write(bp, phy,
10427 MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
10428 bnx2x_cl22_write(bp, phy,
10429 MDIO_REG_GPHY_CL45_DATA_REG,
10430 MDIO_REG_GPHY_EEE_ADV);
10431 bnx2x_cl22_write(bp, phy,
10432 MDIO_REG_GPHY_CL45_ADDR_REG,
10433 (0x1 << 14) | MDIO_AN_DEVAD);
10434 bnx2x_cl22_write(bp, phy,
10435 MDIO_REG_GPHY_CL45_DATA_REG,
10439 bnx2x_cl22_write(bp, phy,
10441 an_10_100_val | fc_val);
10443 if (phy->req_duplex == DUPLEX_FULL)
10444 autoneg_val |= (1<<8);
10446 bnx2x_cl22_write(bp, phy,
10447 MDIO_PMA_REG_CTRL, autoneg_val);
10453 static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
10454 struct link_params *params, u8 mode)
10456 struct bnx2x *bp = params->bp;
10459 bnx2x_cl22_write(bp, phy,
10460 MDIO_REG_GPHY_SHADOW,
10461 MDIO_REG_GPHY_SHADOW_LED_SEL1);
10462 bnx2x_cl22_read(bp, phy,
10463 MDIO_REG_GPHY_SHADOW,
10467 DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
10469 case LED_MODE_FRONT_PANEL_OFF:
10473 case LED_MODE_OPER:
10482 bnx2x_cl22_write(bp, phy,
10483 MDIO_REG_GPHY_SHADOW,
10484 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10489 static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
10490 struct link_params *params)
10492 struct bnx2x *bp = params->bp;
10496 /* In case of no EPIO routed to reset the GPHY, put it
10497 * in low power mode.
10499 bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
10500 /* This works with E3 only, no need to check the chip
10501 * before determining the port.
10503 port = params->port;
10504 cfg_pin = (REG_RD(bp, params->shmem_base +
10505 offsetof(struct shmem_region,
10506 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10507 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10508 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10510 /* Drive pin low to put GPHY in reset. */
10511 bnx2x_set_cfg_pin(bp, cfg_pin, 0);
10514 static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
10515 struct link_params *params,
10516 struct link_vars *vars)
10518 struct bnx2x *bp = params->bp;
10521 u16 legacy_status, legacy_speed;
10523 /* Get speed operation status */
10524 bnx2x_cl22_read(bp, phy,
10527 DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
10529 /* Read status to clear the PHY interrupt. */
10530 bnx2x_cl22_read(bp, phy,
10531 MDIO_REG_INTR_STATUS,
10534 link_up = ((legacy_status & (1<<2)) == (1<<2));
10537 legacy_speed = (legacy_status & (7<<8));
10538 if (legacy_speed == (7<<8)) {
10539 vars->line_speed = SPEED_1000;
10540 vars->duplex = DUPLEX_FULL;
10541 } else if (legacy_speed == (6<<8)) {
10542 vars->line_speed = SPEED_1000;
10543 vars->duplex = DUPLEX_HALF;
10544 } else if (legacy_speed == (5<<8)) {
10545 vars->line_speed = SPEED_100;
10546 vars->duplex = DUPLEX_FULL;
10548 /* Omitting 100Base-T4 for now */
10549 else if (legacy_speed == (3<<8)) {
10550 vars->line_speed = SPEED_100;
10551 vars->duplex = DUPLEX_HALF;
10552 } else if (legacy_speed == (2<<8)) {
10553 vars->line_speed = SPEED_10;
10554 vars->duplex = DUPLEX_FULL;
10555 } else if (legacy_speed == (1<<8)) {
10556 vars->line_speed = SPEED_10;
10557 vars->duplex = DUPLEX_HALF;
10558 } else /* Should not happen */
10559 vars->line_speed = 0;
10562 "Link is up in %dMbps, is_duplex_full= %d\n",
10564 (vars->duplex == DUPLEX_FULL));
10566 /* Check legacy speed AN resolution */
10567 bnx2x_cl22_read(bp, phy,
10571 vars->link_status |=
10572 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10573 bnx2x_cl22_read(bp, phy,
10576 if ((val & (1<<0)) == 0)
10577 vars->link_status |=
10578 LINK_STATUS_PARALLEL_DETECTION_USED;
10580 DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
10583 /* Report whether EEE is resolved. */
10584 bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
10585 if (val == MDIO_REG_GPHY_ID_54618SE) {
10586 if (vars->link_status &
10587 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
10590 bnx2x_cl22_write(bp, phy,
10591 MDIO_REG_GPHY_CL45_ADDR_REG,
10593 bnx2x_cl22_write(bp, phy,
10594 MDIO_REG_GPHY_CL45_DATA_REG,
10595 MDIO_REG_GPHY_EEE_RESOLVED);
10596 bnx2x_cl22_write(bp, phy,
10597 MDIO_REG_GPHY_CL45_ADDR_REG,
10598 (0x1 << 14) | MDIO_AN_DEVAD);
10599 bnx2x_cl22_read(bp, phy,
10600 MDIO_REG_GPHY_CL45_DATA_REG,
10603 DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
10606 bnx2x_ext_phy_resolve_fc(phy, params, vars);
10608 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
10609 /* Report LP advertised speeds */
10610 bnx2x_cl22_read(bp, phy, 0x5, &val);
10613 vars->link_status |=
10614 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10616 vars->link_status |=
10617 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10619 vars->link_status |=
10620 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10622 vars->link_status |=
10623 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10625 vars->link_status |=
10626 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10628 bnx2x_cl22_read(bp, phy, 0xa, &val);
10630 vars->link_status |=
10631 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10633 vars->link_status |=
10634 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10640 static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
10641 struct link_params *params)
10643 struct bnx2x *bp = params->bp;
10645 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
10647 DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
10649 /* Enable master/slave manual mmode and set to master */
10650 /* mii write 9 [bits set 11 12] */
10651 bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
10653 /* forced 1G and disable autoneg */
10654 /* set val [mii read 0] */
10655 /* set val [expr $val & [bits clear 6 12 13]] */
10656 /* set val [expr $val | [bits set 6 8]] */
10657 /* mii write 0 $val */
10658 bnx2x_cl22_read(bp, phy, 0x00, &val);
10659 val &= ~((1<<6) | (1<<12) | (1<<13));
10660 val |= (1<<6) | (1<<8);
10661 bnx2x_cl22_write(bp, phy, 0x00, val);
10663 /* Set external loopback and Tx using 6dB coding */
10664 /* mii write 0x18 7 */
10665 /* set val [mii read 0x18] */
10666 /* mii write 0x18 [expr $val | [bits set 10 15]] */
10667 bnx2x_cl22_write(bp, phy, 0x18, 7);
10668 bnx2x_cl22_read(bp, phy, 0x18, &val);
10669 bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
10671 /* This register opens the gate for the UMAC despite its name */
10672 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
10674 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
10675 * length used by the MAC receive logic to check frames.
10677 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
10680 /******************************************************************/
10681 /* SFX7101 PHY SECTION */
10682 /******************************************************************/
10683 static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
10684 struct link_params *params)
10686 struct bnx2x *bp = params->bp;
10687 /* SFX7101_XGXS_TEST1 */
10688 bnx2x_cl45_write(bp, phy,
10689 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
10692 static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
10693 struct link_params *params,
10694 struct link_vars *vars)
10696 u16 fw_ver1, fw_ver2, val;
10697 struct bnx2x *bp = params->bp;
10698 DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
10700 /* Restore normal power mode*/
10701 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
10702 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
10704 bnx2x_ext_phy_hw_reset(bp, params->port);
10705 bnx2x_wait_reset_complete(bp, phy, params);
10707 bnx2x_cl45_write(bp, phy,
10708 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
10709 DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
10710 bnx2x_cl45_write(bp, phy,
10711 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
10713 bnx2x_ext_phy_set_pause(params, phy, vars);
10714 /* Restart autoneg */
10715 bnx2x_cl45_read(bp, phy,
10716 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
10718 bnx2x_cl45_write(bp, phy,
10719 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
10721 /* Save spirom version */
10722 bnx2x_cl45_read(bp, phy,
10723 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
10725 bnx2x_cl45_read(bp, phy,
10726 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
10727 bnx2x_save_spirom_version(bp, params->port,
10728 (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
10732 static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
10733 struct link_params *params,
10734 struct link_vars *vars)
10736 struct bnx2x *bp = params->bp;
10739 bnx2x_cl45_read(bp, phy,
10740 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
10741 bnx2x_cl45_read(bp, phy,
10742 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
10743 DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
10745 bnx2x_cl45_read(bp, phy,
10746 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
10747 bnx2x_cl45_read(bp, phy,
10748 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
10749 DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
10751 link_up = ((val1 & 4) == 4);
10752 /* if link is up print the AN outcome of the SFX7101 PHY */
10754 bnx2x_cl45_read(bp, phy,
10755 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
10757 vars->line_speed = SPEED_10000;
10758 vars->duplex = DUPLEX_FULL;
10759 DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
10760 val2, (val2 & (1<<14)));
10761 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
10762 bnx2x_ext_phy_resolve_fc(phy, params, vars);
10764 /* read LP advertised speeds */
10765 if (val2 & (1<<11))
10766 vars->link_status |=
10767 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
10772 static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
10776 str[0] = (spirom_ver & 0xFF);
10777 str[1] = (spirom_ver & 0xFF00) >> 8;
10778 str[2] = (spirom_ver & 0xFF0000) >> 16;
10779 str[3] = (spirom_ver & 0xFF000000) >> 24;
10785 void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
10789 bnx2x_cl45_read(bp, phy,
10791 MDIO_PMA_REG_7101_RESET, &val);
10793 for (cnt = 0; cnt < 10; cnt++) {
10795 /* Writes a self-clearing reset */
10796 bnx2x_cl45_write(bp, phy,
10798 MDIO_PMA_REG_7101_RESET,
10800 /* Wait for clear */
10801 bnx2x_cl45_read(bp, phy,
10803 MDIO_PMA_REG_7101_RESET, &val);
10805 if ((val & (1<<15)) == 0)
10810 static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
10811 struct link_params *params) {
10812 /* Low power mode is controlled by GPIO 2 */
10813 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
10814 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
10815 /* The PHY reset is controlled by GPIO 1 */
10816 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10817 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
10820 static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
10821 struct link_params *params, u8 mode)
10824 struct bnx2x *bp = params->bp;
10826 case LED_MODE_FRONT_PANEL_OFF:
10833 case LED_MODE_OPER:
10837 bnx2x_cl45_write(bp, phy,
10839 MDIO_PMA_REG_7107_LINK_LED_CNTL,
10843 /******************************************************************/
10844 /* STATIC PHY DECLARATION */
10845 /******************************************************************/
10847 static struct bnx2x_phy phy_null = {
10848 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
10851 .flags = FLAGS_INIT_XGXS_FIRST,
10852 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10853 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10856 .media_type = ETH_PHY_NOT_PRESENT,
10858 .req_flow_ctrl = 0,
10859 .req_line_speed = 0,
10860 .speed_cap_mask = 0,
10863 .config_init = (config_init_t)NULL,
10864 .read_status = (read_status_t)NULL,
10865 .link_reset = (link_reset_t)NULL,
10866 .config_loopback = (config_loopback_t)NULL,
10867 .format_fw_ver = (format_fw_ver_t)NULL,
10868 .hw_reset = (hw_reset_t)NULL,
10869 .set_link_led = (set_link_led_t)NULL,
10870 .phy_specific_func = (phy_specific_func_t)NULL
10873 static struct bnx2x_phy phy_serdes = {
10874 .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
10878 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10879 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10881 .supported = (SUPPORTED_10baseT_Half |
10882 SUPPORTED_10baseT_Full |
10883 SUPPORTED_100baseT_Half |
10884 SUPPORTED_100baseT_Full |
10885 SUPPORTED_1000baseT_Full |
10886 SUPPORTED_2500baseX_Full |
10888 SUPPORTED_Autoneg |
10890 SUPPORTED_Asym_Pause),
10891 .media_type = ETH_PHY_BASE_T,
10893 .req_flow_ctrl = 0,
10894 .req_line_speed = 0,
10895 .speed_cap_mask = 0,
10898 .config_init = (config_init_t)bnx2x_xgxs_config_init,
10899 .read_status = (read_status_t)bnx2x_link_settings_status,
10900 .link_reset = (link_reset_t)bnx2x_int_link_reset,
10901 .config_loopback = (config_loopback_t)NULL,
10902 .format_fw_ver = (format_fw_ver_t)NULL,
10903 .hw_reset = (hw_reset_t)NULL,
10904 .set_link_led = (set_link_led_t)NULL,
10905 .phy_specific_func = (phy_specific_func_t)NULL
10908 static struct bnx2x_phy phy_xgxs = {
10909 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
10913 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10914 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10916 .supported = (SUPPORTED_10baseT_Half |
10917 SUPPORTED_10baseT_Full |
10918 SUPPORTED_100baseT_Half |
10919 SUPPORTED_100baseT_Full |
10920 SUPPORTED_1000baseT_Full |
10921 SUPPORTED_2500baseX_Full |
10922 SUPPORTED_10000baseT_Full |
10924 SUPPORTED_Autoneg |
10926 SUPPORTED_Asym_Pause),
10927 .media_type = ETH_PHY_CX4,
10929 .req_flow_ctrl = 0,
10930 .req_line_speed = 0,
10931 .speed_cap_mask = 0,
10934 .config_init = (config_init_t)bnx2x_xgxs_config_init,
10935 .read_status = (read_status_t)bnx2x_link_settings_status,
10936 .link_reset = (link_reset_t)bnx2x_int_link_reset,
10937 .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
10938 .format_fw_ver = (format_fw_ver_t)NULL,
10939 .hw_reset = (hw_reset_t)NULL,
10940 .set_link_led = (set_link_led_t)NULL,
10941 .phy_specific_func = (phy_specific_func_t)NULL
10943 static struct bnx2x_phy phy_warpcore = {
10944 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
10947 .flags = (FLAGS_HW_LOCK_REQUIRED |
10948 FLAGS_TX_ERROR_CHECK),
10949 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10950 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10952 .supported = (SUPPORTED_10baseT_Half |
10953 SUPPORTED_10baseT_Full |
10954 SUPPORTED_100baseT_Half |
10955 SUPPORTED_100baseT_Full |
10956 SUPPORTED_1000baseT_Full |
10957 SUPPORTED_10000baseT_Full |
10958 SUPPORTED_20000baseKR2_Full |
10959 SUPPORTED_20000baseMLD2_Full |
10961 SUPPORTED_Autoneg |
10963 SUPPORTED_Asym_Pause),
10964 .media_type = ETH_PHY_UNSPECIFIED,
10966 .req_flow_ctrl = 0,
10967 .req_line_speed = 0,
10968 .speed_cap_mask = 0,
10969 /* req_duplex = */0,
10971 .config_init = (config_init_t)bnx2x_warpcore_config_init,
10972 .read_status = (read_status_t)bnx2x_warpcore_read_status,
10973 .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
10974 .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
10975 .format_fw_ver = (format_fw_ver_t)NULL,
10976 .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
10977 .set_link_led = (set_link_led_t)NULL,
10978 .phy_specific_func = (phy_specific_func_t)NULL
10982 static struct bnx2x_phy phy_7101 = {
10983 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
10986 .flags = FLAGS_FAN_FAILURE_DET_REQ,
10987 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10988 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
10990 .supported = (SUPPORTED_10000baseT_Full |
10992 SUPPORTED_Autoneg |
10994 SUPPORTED_Asym_Pause),
10995 .media_type = ETH_PHY_BASE_T,
10997 .req_flow_ctrl = 0,
10998 .req_line_speed = 0,
10999 .speed_cap_mask = 0,
11002 .config_init = (config_init_t)bnx2x_7101_config_init,
11003 .read_status = (read_status_t)bnx2x_7101_read_status,
11004 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11005 .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
11006 .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
11007 .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
11008 .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
11009 .phy_specific_func = (phy_specific_func_t)NULL
11011 static struct bnx2x_phy phy_8073 = {
11012 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
11015 .flags = FLAGS_HW_LOCK_REQUIRED,
11016 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11017 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11019 .supported = (SUPPORTED_10000baseT_Full |
11020 SUPPORTED_2500baseX_Full |
11021 SUPPORTED_1000baseT_Full |
11023 SUPPORTED_Autoneg |
11025 SUPPORTED_Asym_Pause),
11026 .media_type = ETH_PHY_KR,
11028 .req_flow_ctrl = 0,
11029 .req_line_speed = 0,
11030 .speed_cap_mask = 0,
11033 .config_init = (config_init_t)bnx2x_8073_config_init,
11034 .read_status = (read_status_t)bnx2x_8073_read_status,
11035 .link_reset = (link_reset_t)bnx2x_8073_link_reset,
11036 .config_loopback = (config_loopback_t)NULL,
11037 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11038 .hw_reset = (hw_reset_t)NULL,
11039 .set_link_led = (set_link_led_t)NULL,
11040 .phy_specific_func = (phy_specific_func_t)NULL
11042 static struct bnx2x_phy phy_8705 = {
11043 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
11046 .flags = FLAGS_INIT_XGXS_FIRST,
11047 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11048 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11050 .supported = (SUPPORTED_10000baseT_Full |
11053 SUPPORTED_Asym_Pause),
11054 .media_type = ETH_PHY_XFP_FIBER,
11056 .req_flow_ctrl = 0,
11057 .req_line_speed = 0,
11058 .speed_cap_mask = 0,
11061 .config_init = (config_init_t)bnx2x_8705_config_init,
11062 .read_status = (read_status_t)bnx2x_8705_read_status,
11063 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11064 .config_loopback = (config_loopback_t)NULL,
11065 .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
11066 .hw_reset = (hw_reset_t)NULL,
11067 .set_link_led = (set_link_led_t)NULL,
11068 .phy_specific_func = (phy_specific_func_t)NULL
11070 static struct bnx2x_phy phy_8706 = {
11071 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
11074 .flags = FLAGS_INIT_XGXS_FIRST,
11075 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11076 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11078 .supported = (SUPPORTED_10000baseT_Full |
11079 SUPPORTED_1000baseT_Full |
11082 SUPPORTED_Asym_Pause),
11083 .media_type = ETH_PHY_SFP_FIBER,
11085 .req_flow_ctrl = 0,
11086 .req_line_speed = 0,
11087 .speed_cap_mask = 0,
11090 .config_init = (config_init_t)bnx2x_8706_config_init,
11091 .read_status = (read_status_t)bnx2x_8706_read_status,
11092 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11093 .config_loopback = (config_loopback_t)NULL,
11094 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11095 .hw_reset = (hw_reset_t)NULL,
11096 .set_link_led = (set_link_led_t)NULL,
11097 .phy_specific_func = (phy_specific_func_t)NULL
11100 static struct bnx2x_phy phy_8726 = {
11101 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
11104 .flags = (FLAGS_HW_LOCK_REQUIRED |
11105 FLAGS_INIT_XGXS_FIRST |
11106 FLAGS_TX_ERROR_CHECK),
11107 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11108 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11110 .supported = (SUPPORTED_10000baseT_Full |
11111 SUPPORTED_1000baseT_Full |
11112 SUPPORTED_Autoneg |
11115 SUPPORTED_Asym_Pause),
11116 .media_type = ETH_PHY_NOT_PRESENT,
11118 .req_flow_ctrl = 0,
11119 .req_line_speed = 0,
11120 .speed_cap_mask = 0,
11123 .config_init = (config_init_t)bnx2x_8726_config_init,
11124 .read_status = (read_status_t)bnx2x_8726_read_status,
11125 .link_reset = (link_reset_t)bnx2x_8726_link_reset,
11126 .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
11127 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11128 .hw_reset = (hw_reset_t)NULL,
11129 .set_link_led = (set_link_led_t)NULL,
11130 .phy_specific_func = (phy_specific_func_t)NULL
11133 static struct bnx2x_phy phy_8727 = {
11134 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
11137 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11138 FLAGS_TX_ERROR_CHECK),
11139 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11140 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11142 .supported = (SUPPORTED_10000baseT_Full |
11143 SUPPORTED_1000baseT_Full |
11146 SUPPORTED_Asym_Pause),
11147 .media_type = ETH_PHY_NOT_PRESENT,
11149 .req_flow_ctrl = 0,
11150 .req_line_speed = 0,
11151 .speed_cap_mask = 0,
11154 .config_init = (config_init_t)bnx2x_8727_config_init,
11155 .read_status = (read_status_t)bnx2x_8727_read_status,
11156 .link_reset = (link_reset_t)bnx2x_8727_link_reset,
11157 .config_loopback = (config_loopback_t)NULL,
11158 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11159 .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
11160 .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
11161 .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
11163 static struct bnx2x_phy phy_8481 = {
11164 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
11167 .flags = FLAGS_FAN_FAILURE_DET_REQ |
11168 FLAGS_REARM_LATCH_SIGNAL,
11169 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11170 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11172 .supported = (SUPPORTED_10baseT_Half |
11173 SUPPORTED_10baseT_Full |
11174 SUPPORTED_100baseT_Half |
11175 SUPPORTED_100baseT_Full |
11176 SUPPORTED_1000baseT_Full |
11177 SUPPORTED_10000baseT_Full |
11179 SUPPORTED_Autoneg |
11181 SUPPORTED_Asym_Pause),
11182 .media_type = ETH_PHY_BASE_T,
11184 .req_flow_ctrl = 0,
11185 .req_line_speed = 0,
11186 .speed_cap_mask = 0,
11189 .config_init = (config_init_t)bnx2x_8481_config_init,
11190 .read_status = (read_status_t)bnx2x_848xx_read_status,
11191 .link_reset = (link_reset_t)bnx2x_8481_link_reset,
11192 .config_loopback = (config_loopback_t)NULL,
11193 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11194 .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
11195 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
11196 .phy_specific_func = (phy_specific_func_t)NULL
11199 static struct bnx2x_phy phy_84823 = {
11200 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
11203 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11204 FLAGS_REARM_LATCH_SIGNAL |
11205 FLAGS_TX_ERROR_CHECK),
11206 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11207 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11209 .supported = (SUPPORTED_10baseT_Half |
11210 SUPPORTED_10baseT_Full |
11211 SUPPORTED_100baseT_Half |
11212 SUPPORTED_100baseT_Full |
11213 SUPPORTED_1000baseT_Full |
11214 SUPPORTED_10000baseT_Full |
11216 SUPPORTED_Autoneg |
11218 SUPPORTED_Asym_Pause),
11219 .media_type = ETH_PHY_BASE_T,
11221 .req_flow_ctrl = 0,
11222 .req_line_speed = 0,
11223 .speed_cap_mask = 0,
11226 .config_init = (config_init_t)bnx2x_848x3_config_init,
11227 .read_status = (read_status_t)bnx2x_848xx_read_status,
11228 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11229 .config_loopback = (config_loopback_t)NULL,
11230 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11231 .hw_reset = (hw_reset_t)NULL,
11232 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
11233 .phy_specific_func = (phy_specific_func_t)NULL
11236 static struct bnx2x_phy phy_84833 = {
11237 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
11240 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11241 FLAGS_REARM_LATCH_SIGNAL |
11242 FLAGS_TX_ERROR_CHECK),
11243 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11244 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11246 .supported = (SUPPORTED_100baseT_Half |
11247 SUPPORTED_100baseT_Full |
11248 SUPPORTED_1000baseT_Full |
11249 SUPPORTED_10000baseT_Full |
11251 SUPPORTED_Autoneg |
11253 SUPPORTED_Asym_Pause),
11254 .media_type = ETH_PHY_BASE_T,
11256 .req_flow_ctrl = 0,
11257 .req_line_speed = 0,
11258 .speed_cap_mask = 0,
11261 .config_init = (config_init_t)bnx2x_848x3_config_init,
11262 .read_status = (read_status_t)bnx2x_848xx_read_status,
11263 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11264 .config_loopback = (config_loopback_t)NULL,
11265 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11266 .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
11267 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
11268 .phy_specific_func = (phy_specific_func_t)NULL
11271 static struct bnx2x_phy phy_54618se = {
11272 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
11275 .flags = FLAGS_INIT_XGXS_FIRST,
11276 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11277 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11279 .supported = (SUPPORTED_10baseT_Half |
11280 SUPPORTED_10baseT_Full |
11281 SUPPORTED_100baseT_Half |
11282 SUPPORTED_100baseT_Full |
11283 SUPPORTED_1000baseT_Full |
11285 SUPPORTED_Autoneg |
11287 SUPPORTED_Asym_Pause),
11288 .media_type = ETH_PHY_BASE_T,
11290 .req_flow_ctrl = 0,
11291 .req_line_speed = 0,
11292 .speed_cap_mask = 0,
11293 /* req_duplex = */0,
11295 .config_init = (config_init_t)bnx2x_54618se_config_init,
11296 .read_status = (read_status_t)bnx2x_54618se_read_status,
11297 .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
11298 .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
11299 .format_fw_ver = (format_fw_ver_t)NULL,
11300 .hw_reset = (hw_reset_t)NULL,
11301 .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
11302 .phy_specific_func = (phy_specific_func_t)NULL
11304 /*****************************************************************/
11306 /* Populate the phy according. Main function: bnx2x_populate_phy */
11308 /*****************************************************************/
11310 static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
11311 struct bnx2x_phy *phy, u8 port,
11314 /* Get the 4 lanes xgxs config rx and tx */
11315 u32 rx = 0, tx = 0, i;
11316 for (i = 0; i < 2; i++) {
11317 /* INT_PHY and EXT_PHY1 share the same value location in
11318 * the shmem. When num_phys is greater than 1, than this value
11319 * applies only to EXT_PHY1
11321 if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
11322 rx = REG_RD(bp, shmem_base +
11323 offsetof(struct shmem_region,
11324 dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
11326 tx = REG_RD(bp, shmem_base +
11327 offsetof(struct shmem_region,
11328 dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
11330 rx = REG_RD(bp, shmem_base +
11331 offsetof(struct shmem_region,
11332 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
11334 tx = REG_RD(bp, shmem_base +
11335 offsetof(struct shmem_region,
11336 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
11339 phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
11340 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
11342 phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
11343 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
11347 static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
11348 u8 phy_index, u8 port)
11350 u32 ext_phy_config = 0;
11351 switch (phy_index) {
11353 ext_phy_config = REG_RD(bp, shmem_base +
11354 offsetof(struct shmem_region,
11355 dev_info.port_hw_config[port].external_phy_config));
11358 ext_phy_config = REG_RD(bp, shmem_base +
11359 offsetof(struct shmem_region,
11360 dev_info.port_hw_config[port].external_phy_config2));
11363 DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
11367 return ext_phy_config;
11369 static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
11370 struct bnx2x_phy *phy)
11374 u32 switch_cfg = (REG_RD(bp, shmem_base +
11375 offsetof(struct shmem_region,
11376 dev_info.port_feature_config[port].link_config)) &
11377 PORT_FEATURE_CONNECTED_SWITCH_MASK);
11378 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
11379 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
11381 DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
11382 if (USES_WARPCORE(bp)) {
11384 phy_addr = REG_RD(bp,
11385 MISC_REG_WC0_CTRL_PHY_ADDR);
11386 *phy = phy_warpcore;
11387 if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
11388 phy->flags |= FLAGS_4_PORT_MODE;
11390 phy->flags &= ~FLAGS_4_PORT_MODE;
11391 /* Check Dual mode */
11392 serdes_net_if = (REG_RD(bp, shmem_base +
11393 offsetof(struct shmem_region, dev_info.
11394 port_hw_config[port].default_cfg)) &
11395 PORT_HW_CFG_NET_SERDES_IF_MASK);
11396 /* Set the appropriate supported and flags indications per
11397 * interface type of the chip
11399 switch (serdes_net_if) {
11400 case PORT_HW_CFG_NET_SERDES_IF_SGMII:
11401 phy->supported &= (SUPPORTED_10baseT_Half |
11402 SUPPORTED_10baseT_Full |
11403 SUPPORTED_100baseT_Half |
11404 SUPPORTED_100baseT_Full |
11405 SUPPORTED_1000baseT_Full |
11407 SUPPORTED_Autoneg |
11409 SUPPORTED_Asym_Pause);
11410 phy->media_type = ETH_PHY_BASE_T;
11412 case PORT_HW_CFG_NET_SERDES_IF_XFI:
11413 phy->media_type = ETH_PHY_XFP_FIBER;
11415 case PORT_HW_CFG_NET_SERDES_IF_SFI:
11416 phy->supported &= (SUPPORTED_1000baseT_Full |
11417 SUPPORTED_10000baseT_Full |
11420 SUPPORTED_Asym_Pause);
11421 phy->media_type = ETH_PHY_SFP_FIBER;
11423 case PORT_HW_CFG_NET_SERDES_IF_KR:
11424 phy->media_type = ETH_PHY_KR;
11425 phy->supported &= (SUPPORTED_1000baseT_Full |
11426 SUPPORTED_10000baseT_Full |
11428 SUPPORTED_Autoneg |
11430 SUPPORTED_Asym_Pause);
11432 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
11433 phy->media_type = ETH_PHY_KR;
11434 phy->flags |= FLAGS_WC_DUAL_MODE;
11435 phy->supported &= (SUPPORTED_20000baseMLD2_Full |
11438 SUPPORTED_Asym_Pause);
11440 case PORT_HW_CFG_NET_SERDES_IF_KR2:
11441 phy->media_type = ETH_PHY_KR;
11442 phy->flags |= FLAGS_WC_DUAL_MODE;
11443 phy->supported &= (SUPPORTED_20000baseKR2_Full |
11446 SUPPORTED_Asym_Pause);
11449 DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
11454 /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
11455 * was not set as expected. For B0, ECO will be enabled so there
11456 * won't be an issue there
11458 if (CHIP_REV(bp) == CHIP_REV_Ax)
11459 phy->flags |= FLAGS_MDC_MDIO_WA;
11461 phy->flags |= FLAGS_MDC_MDIO_WA_B0;
11463 switch (switch_cfg) {
11464 case SWITCH_CFG_1G:
11465 phy_addr = REG_RD(bp,
11466 NIG_REG_SERDES0_CTRL_PHY_ADDR +
11470 case SWITCH_CFG_10G:
11471 phy_addr = REG_RD(bp,
11472 NIG_REG_XGXS0_CTRL_PHY_ADDR +
11477 DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
11481 phy->addr = (u8)phy_addr;
11482 phy->mdio_ctrl = bnx2x_get_emac_base(bp,
11483 SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
11485 if (CHIP_IS_E2(bp))
11486 phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
11488 phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
11490 DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
11491 port, phy->addr, phy->mdio_ctrl);
11493 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
11497 static int bnx2x_populate_ext_phy(struct bnx2x *bp,
11502 struct bnx2x_phy *phy)
11504 u32 ext_phy_config, phy_type, config2;
11505 u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
11506 ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
11508 phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
11509 /* Select the phy type */
11510 switch (phy_type) {
11511 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
11512 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
11515 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
11518 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
11521 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
11522 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
11525 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
11526 /* BCM8727_NOC => BCM8727 no over current */
11527 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
11529 phy->flags |= FLAGS_NOC;
11531 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
11532 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
11533 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
11536 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
11539 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
11542 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
11545 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
11546 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
11547 *phy = phy_54618se;
11549 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
11552 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
11557 /* In case external PHY wasn't found */
11558 if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
11559 (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
11564 phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
11565 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
11567 /* The shmem address of the phy version is located on different
11568 * structures. In case this structure is too old, do not set
11571 config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
11572 dev_info.shared_hw_config.config2));
11573 if (phy_index == EXT_PHY1) {
11574 phy->ver_addr = shmem_base + offsetof(struct shmem_region,
11575 port_mb[port].ext_phy_fw_version);
11577 /* Check specific mdc mdio settings */
11578 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
11579 mdc_mdio_access = config2 &
11580 SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
11582 u32 size = REG_RD(bp, shmem2_base);
11585 offsetof(struct shmem2_region, ext_phy_fw_version2)) {
11586 phy->ver_addr = shmem2_base +
11587 offsetof(struct shmem2_region,
11588 ext_phy_fw_version2[port]);
11590 /* Check specific mdc mdio settings */
11591 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
11592 mdc_mdio_access = (config2 &
11593 SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
11594 (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
11595 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
11597 phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
11599 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
11601 /* Remove 100Mb link supported for BCM84833 when phy fw
11602 * version lower than or equal to 1.39
11604 u32 raw_ver = REG_RD(bp, phy->ver_addr);
11605 if (((raw_ver & 0x7F) <= 39) &&
11606 (((raw_ver & 0xF80) >> 7) <= 1))
11607 phy->supported &= ~(SUPPORTED_100baseT_Half |
11608 SUPPORTED_100baseT_Full);
11611 /* In case mdc/mdio_access of the external phy is different than the
11612 * mdc/mdio access of the XGXS, a HW lock must be taken in each access
11613 * to prevent one port interfere with another port's CL45 operations.
11615 if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
11616 phy->flags |= FLAGS_HW_LOCK_REQUIRED;
11617 DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
11618 phy_type, port, phy_index);
11619 DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
11620 phy->addr, phy->mdio_ctrl);
11624 static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
11625 u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
11628 phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
11629 if (phy_index == INT_PHY)
11630 return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
11631 status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
11636 static void bnx2x_phy_def_cfg(struct link_params *params,
11637 struct bnx2x_phy *phy,
11640 struct bnx2x *bp = params->bp;
11642 /* Populate the default phy configuration for MF mode */
11643 if (phy_index == EXT_PHY2) {
11644 link_config = REG_RD(bp, params->shmem_base +
11645 offsetof(struct shmem_region, dev_info.
11646 port_feature_config[params->port].link_config2));
11647 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
11648 offsetof(struct shmem_region,
11650 port_hw_config[params->port].speed_capability_mask2));
11652 link_config = REG_RD(bp, params->shmem_base +
11653 offsetof(struct shmem_region, dev_info.
11654 port_feature_config[params->port].link_config));
11655 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
11656 offsetof(struct shmem_region,
11658 port_hw_config[params->port].speed_capability_mask));
11661 "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
11662 phy_index, link_config, phy->speed_cap_mask);
11664 phy->req_duplex = DUPLEX_FULL;
11665 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
11666 case PORT_FEATURE_LINK_SPEED_10M_HALF:
11667 phy->req_duplex = DUPLEX_HALF;
11668 case PORT_FEATURE_LINK_SPEED_10M_FULL:
11669 phy->req_line_speed = SPEED_10;
11671 case PORT_FEATURE_LINK_SPEED_100M_HALF:
11672 phy->req_duplex = DUPLEX_HALF;
11673 case PORT_FEATURE_LINK_SPEED_100M_FULL:
11674 phy->req_line_speed = SPEED_100;
11676 case PORT_FEATURE_LINK_SPEED_1G:
11677 phy->req_line_speed = SPEED_1000;
11679 case PORT_FEATURE_LINK_SPEED_2_5G:
11680 phy->req_line_speed = SPEED_2500;
11682 case PORT_FEATURE_LINK_SPEED_10G_CX4:
11683 phy->req_line_speed = SPEED_10000;
11686 phy->req_line_speed = SPEED_AUTO_NEG;
11690 switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
11691 case PORT_FEATURE_FLOW_CONTROL_AUTO:
11692 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
11694 case PORT_FEATURE_FLOW_CONTROL_TX:
11695 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
11697 case PORT_FEATURE_FLOW_CONTROL_RX:
11698 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
11700 case PORT_FEATURE_FLOW_CONTROL_BOTH:
11701 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
11704 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11709 u32 bnx2x_phy_selection(struct link_params *params)
11711 u32 phy_config_swapped, prio_cfg;
11712 u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
11714 phy_config_swapped = params->multi_phy_config &
11715 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
11717 prio_cfg = params->multi_phy_config &
11718 PORT_HW_CFG_PHY_SELECTION_MASK;
11720 if (phy_config_swapped) {
11721 switch (prio_cfg) {
11722 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
11723 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
11725 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
11726 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
11728 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
11729 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
11731 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
11732 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
11736 return_cfg = prio_cfg;
11742 int bnx2x_phy_probe(struct link_params *params)
11744 u8 phy_index, actual_phy_idx;
11745 u32 phy_config_swapped, sync_offset, media_types;
11746 struct bnx2x *bp = params->bp;
11747 struct bnx2x_phy *phy;
11748 params->num_phys = 0;
11749 DP(NETIF_MSG_LINK, "Begin phy probe\n");
11750 phy_config_swapped = params->multi_phy_config &
11751 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
11753 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
11755 actual_phy_idx = phy_index;
11756 if (phy_config_swapped) {
11757 if (phy_index == EXT_PHY1)
11758 actual_phy_idx = EXT_PHY2;
11759 else if (phy_index == EXT_PHY2)
11760 actual_phy_idx = EXT_PHY1;
11762 DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
11763 " actual_phy_idx %x\n", phy_config_swapped,
11764 phy_index, actual_phy_idx);
11765 phy = ¶ms->phy[actual_phy_idx];
11766 if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
11767 params->shmem2_base, params->port,
11769 params->num_phys = 0;
11770 DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
11772 for (phy_index = INT_PHY;
11773 phy_index < MAX_PHYS;
11778 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
11781 if (params->feature_config_flags &
11782 FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
11783 phy->flags &= ~FLAGS_TX_ERROR_CHECK;
11785 sync_offset = params->shmem_base +
11786 offsetof(struct shmem_region,
11787 dev_info.port_hw_config[params->port].media_type);
11788 media_types = REG_RD(bp, sync_offset);
11790 /* Update media type for non-PMF sync only for the first time
11791 * In case the media type changes afterwards, it will be updated
11792 * using the update_status function
11794 if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
11795 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
11796 actual_phy_idx))) == 0) {
11797 media_types |= ((phy->media_type &
11798 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
11799 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
11802 REG_WR(bp, sync_offset, media_types);
11804 bnx2x_phy_def_cfg(params, phy, phy_index);
11805 params->num_phys++;
11808 DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
11812 void bnx2x_init_bmac_loopback(struct link_params *params,
11813 struct link_vars *vars)
11815 struct bnx2x *bp = params->bp;
11817 vars->line_speed = SPEED_10000;
11818 vars->duplex = DUPLEX_FULL;
11819 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11820 vars->mac_type = MAC_TYPE_BMAC;
11822 vars->phy_flags = PHY_XGXS_FLAG;
11824 bnx2x_xgxs_deassert(params);
11826 /* set bmac loopback */
11827 bnx2x_bmac_enable(params, vars, 1);
11829 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11832 void bnx2x_init_emac_loopback(struct link_params *params,
11833 struct link_vars *vars)
11835 struct bnx2x *bp = params->bp;
11837 vars->line_speed = SPEED_1000;
11838 vars->duplex = DUPLEX_FULL;
11839 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11840 vars->mac_type = MAC_TYPE_EMAC;
11842 vars->phy_flags = PHY_XGXS_FLAG;
11844 bnx2x_xgxs_deassert(params);
11845 /* set bmac loopback */
11846 bnx2x_emac_enable(params, vars, 1);
11847 bnx2x_emac_program(params, vars);
11848 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11851 void bnx2x_init_xmac_loopback(struct link_params *params,
11852 struct link_vars *vars)
11854 struct bnx2x *bp = params->bp;
11856 if (!params->req_line_speed[0])
11857 vars->line_speed = SPEED_10000;
11859 vars->line_speed = params->req_line_speed[0];
11860 vars->duplex = DUPLEX_FULL;
11861 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11862 vars->mac_type = MAC_TYPE_XMAC;
11863 vars->phy_flags = PHY_XGXS_FLAG;
11864 /* Set WC to loopback mode since link is required to provide clock
11865 * to the XMAC in 20G mode
11867 bnx2x_set_aer_mmd(params, ¶ms->phy[0]);
11868 bnx2x_warpcore_reset_lane(bp, ¶ms->phy[0], 0);
11869 params->phy[INT_PHY].config_loopback(
11870 ¶ms->phy[INT_PHY],
11873 bnx2x_xmac_enable(params, vars, 1);
11874 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11877 void bnx2x_init_umac_loopback(struct link_params *params,
11878 struct link_vars *vars)
11880 struct bnx2x *bp = params->bp;
11882 vars->line_speed = SPEED_1000;
11883 vars->duplex = DUPLEX_FULL;
11884 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11885 vars->mac_type = MAC_TYPE_UMAC;
11886 vars->phy_flags = PHY_XGXS_FLAG;
11887 bnx2x_umac_enable(params, vars, 1);
11889 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11892 void bnx2x_init_xgxs_loopback(struct link_params *params,
11893 struct link_vars *vars)
11895 struct bnx2x *bp = params->bp;
11897 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11898 vars->duplex = DUPLEX_FULL;
11899 if (params->req_line_speed[0] == SPEED_1000)
11900 vars->line_speed = SPEED_1000;
11902 vars->line_speed = SPEED_10000;
11904 if (!USES_WARPCORE(bp))
11905 bnx2x_xgxs_deassert(params);
11906 bnx2x_link_initialize(params, vars);
11908 if (params->req_line_speed[0] == SPEED_1000) {
11909 if (USES_WARPCORE(bp))
11910 bnx2x_umac_enable(params, vars, 0);
11912 bnx2x_emac_program(params, vars);
11913 bnx2x_emac_enable(params, vars, 0);
11916 if (USES_WARPCORE(bp))
11917 bnx2x_xmac_enable(params, vars, 0);
11919 bnx2x_bmac_enable(params, vars, 0);
11922 if (params->loopback_mode == LOOPBACK_XGXS) {
11923 /* set 10G XGXS loopback */
11924 params->phy[INT_PHY].config_loopback(
11925 ¶ms->phy[INT_PHY],
11929 /* set external phy loopback */
11931 for (phy_index = EXT_PHY1;
11932 phy_index < params->num_phys; phy_index++) {
11933 if (params->phy[phy_index].config_loopback)
11934 params->phy[phy_index].config_loopback(
11935 ¶ms->phy[phy_index],
11939 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11941 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
11944 int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
11946 struct bnx2x *bp = params->bp;
11947 DP(NETIF_MSG_LINK, "Phy Initialization started\n");
11948 DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
11949 params->req_line_speed[0], params->req_flow_ctrl[0]);
11950 DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
11951 params->req_line_speed[1], params->req_flow_ctrl[1]);
11952 vars->link_status = 0;
11953 vars->phy_link_up = 0;
11955 vars->line_speed = 0;
11956 vars->duplex = DUPLEX_FULL;
11957 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11958 vars->mac_type = MAC_TYPE_NONE;
11959 vars->phy_flags = 0;
11961 /* disable attentions */
11962 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
11963 (NIG_MASK_XGXS0_LINK_STATUS |
11964 NIG_MASK_XGXS0_LINK10G |
11965 NIG_MASK_SERDES0_LINK_STATUS |
11968 bnx2x_emac_init(params, vars);
11970 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
11971 vars->link_status |= LINK_STATUS_PFC_ENABLED;
11973 if (params->num_phys == 0) {
11974 DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
11977 set_phy_vars(params, vars);
11979 DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
11980 switch (params->loopback_mode) {
11981 case LOOPBACK_BMAC:
11982 bnx2x_init_bmac_loopback(params, vars);
11984 case LOOPBACK_EMAC:
11985 bnx2x_init_emac_loopback(params, vars);
11987 case LOOPBACK_XMAC:
11988 bnx2x_init_xmac_loopback(params, vars);
11990 case LOOPBACK_UMAC:
11991 bnx2x_init_umac_loopback(params, vars);
11993 case LOOPBACK_XGXS:
11994 case LOOPBACK_EXT_PHY:
11995 bnx2x_init_xgxs_loopback(params, vars);
11998 if (!CHIP_IS_E3(bp)) {
11999 if (params->switch_cfg == SWITCH_CFG_10G)
12000 bnx2x_xgxs_deassert(params);
12002 bnx2x_serdes_deassert(bp, params->port);
12004 bnx2x_link_initialize(params, vars);
12006 bnx2x_link_int_enable(params);
12009 bnx2x_update_mng(params, vars->link_status);
12013 int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
12016 struct bnx2x *bp = params->bp;
12017 u8 phy_index, port = params->port, clear_latch_ind = 0;
12018 DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
12019 /* disable attentions */
12020 vars->link_status = 0;
12021 bnx2x_update_mng(params, vars->link_status);
12022 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
12023 (NIG_MASK_XGXS0_LINK_STATUS |
12024 NIG_MASK_XGXS0_LINK10G |
12025 NIG_MASK_SERDES0_LINK_STATUS |
12028 /* activate nig drain */
12029 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
12031 /* disable nig egress interface */
12032 if (!CHIP_IS_E3(bp)) {
12033 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
12034 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
12037 /* Stop BigMac rx */
12038 if (!CHIP_IS_E3(bp))
12039 bnx2x_bmac_rx_disable(bp, port);
12041 bnx2x_xmac_disable(params);
12042 bnx2x_umac_disable(params);
12045 if (!CHIP_IS_E3(bp))
12046 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
12049 /* The PHY reset is controlled by GPIO 1
12050 * Hold it as vars low
12052 /* clear link led */
12053 bnx2x_set_mdio_clk(bp, params->chip_id, port);
12054 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
12056 if (reset_ext_phy) {
12057 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
12059 if (params->phy[phy_index].link_reset) {
12060 bnx2x_set_aer_mmd(params,
12061 ¶ms->phy[phy_index]);
12062 params->phy[phy_index].link_reset(
12063 ¶ms->phy[phy_index],
12066 if (params->phy[phy_index].flags &
12067 FLAGS_REARM_LATCH_SIGNAL)
12068 clear_latch_ind = 1;
12072 if (clear_latch_ind) {
12073 /* Clear latching indication */
12074 bnx2x_rearm_latch_signal(bp, port, 0);
12075 bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
12076 1 << NIG_LATCH_BC_ENABLE_MI_INT);
12078 if (params->phy[INT_PHY].link_reset)
12079 params->phy[INT_PHY].link_reset(
12080 ¶ms->phy[INT_PHY], params);
12082 /* disable nig ingress interface */
12083 if (!CHIP_IS_E3(bp)) {
12085 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
12086 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
12087 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
12088 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
12090 u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
12091 bnx2x_set_xumac_nig(params, 0, 0);
12092 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
12093 MISC_REGISTERS_RESET_REG_2_XMAC)
12094 REG_WR(bp, xmac_base + XMAC_REG_CTRL,
12095 XMAC_CTRL_REG_SOFT_RESET);
12098 vars->phy_flags = 0;
12102 /****************************************************************************/
12103 /* Common function */
12104 /****************************************************************************/
12105 static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
12106 u32 shmem_base_path[],
12107 u32 shmem2_base_path[], u8 phy_index,
12110 struct bnx2x_phy phy[PORT_MAX];
12111 struct bnx2x_phy *phy_blk[PORT_MAX];
12114 s8 port_of_path = 0;
12115 u32 swap_val, swap_override;
12116 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12117 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
12118 port ^= (swap_val && swap_override);
12119 bnx2x_ext_phy_hw_reset(bp, port);
12120 /* PART1 - Reset both phys */
12121 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12122 u32 shmem_base, shmem2_base;
12123 /* In E2, same phy is using for port0 of the two paths */
12124 if (CHIP_IS_E1x(bp)) {
12125 shmem_base = shmem_base_path[0];
12126 shmem2_base = shmem2_base_path[0];
12127 port_of_path = port;
12129 shmem_base = shmem_base_path[port];
12130 shmem2_base = shmem2_base_path[port];
12134 /* Extract the ext phy address for the port */
12135 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12136 port_of_path, &phy[port]) !=
12138 DP(NETIF_MSG_LINK, "populate_phy failed\n");
12141 /* disable attentions */
12142 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12144 (NIG_MASK_XGXS0_LINK_STATUS |
12145 NIG_MASK_XGXS0_LINK10G |
12146 NIG_MASK_SERDES0_LINK_STATUS |
12149 /* Need to take the phy out of low power mode in order
12150 * to write to access its registers
12152 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
12153 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12156 /* Reset the phy */
12157 bnx2x_cl45_write(bp, &phy[port],
12163 /* Add delay of 150ms after reset */
12166 if (phy[PORT_0].addr & 0x1) {
12167 phy_blk[PORT_0] = &(phy[PORT_1]);
12168 phy_blk[PORT_1] = &(phy[PORT_0]);
12170 phy_blk[PORT_0] = &(phy[PORT_0]);
12171 phy_blk[PORT_1] = &(phy[PORT_1]);
12174 /* PART2 - Download firmware to both phys */
12175 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12176 if (CHIP_IS_E1x(bp))
12177 port_of_path = port;
12181 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12182 phy_blk[port]->addr);
12183 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12187 /* Only set bit 10 = 1 (Tx power down) */
12188 bnx2x_cl45_read(bp, phy_blk[port],
12190 MDIO_PMA_REG_TX_POWER_DOWN, &val);
12192 /* Phase1 of TX_POWER_DOWN reset */
12193 bnx2x_cl45_write(bp, phy_blk[port],
12195 MDIO_PMA_REG_TX_POWER_DOWN,
12199 /* Toggle Transmitter: Power down and then up with 600ms delay
12204 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
12205 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12206 /* Phase2 of POWER_DOWN_RESET */
12207 /* Release bit 10 (Release Tx power down) */
12208 bnx2x_cl45_read(bp, phy_blk[port],
12210 MDIO_PMA_REG_TX_POWER_DOWN, &val);
12212 bnx2x_cl45_write(bp, phy_blk[port],
12214 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
12217 /* Read modify write the SPI-ROM version select register */
12218 bnx2x_cl45_read(bp, phy_blk[port],
12220 MDIO_PMA_REG_EDC_FFE_MAIN, &val);
12221 bnx2x_cl45_write(bp, phy_blk[port],
12223 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
12225 /* set GPIO2 back to LOW */
12226 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
12227 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
12231 static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
12232 u32 shmem_base_path[],
12233 u32 shmem2_base_path[], u8 phy_index,
12238 struct bnx2x_phy phy;
12239 /* Use port1 because of the static port-swap */
12240 /* Enable the module detection interrupt */
12241 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
12242 val |= ((1<<MISC_REGISTERS_GPIO_3)|
12243 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
12244 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
12246 bnx2x_ext_phy_hw_reset(bp, 0);
12248 for (port = 0; port < PORT_MAX; port++) {
12249 u32 shmem_base, shmem2_base;
12251 /* In E2, same phy is using for port0 of the two paths */
12252 if (CHIP_IS_E1x(bp)) {
12253 shmem_base = shmem_base_path[0];
12254 shmem2_base = shmem2_base_path[0];
12256 shmem_base = shmem_base_path[port];
12257 shmem2_base = shmem2_base_path[port];
12259 /* Extract the ext phy address for the port */
12260 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12263 DP(NETIF_MSG_LINK, "populate phy failed\n");
12268 bnx2x_cl45_write(bp, &phy,
12269 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
12272 /* Set fault module detected LED on */
12273 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
12274 MISC_REGISTERS_GPIO_HIGH,
12280 static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
12281 u8 *io_gpio, u8 *io_port)
12284 u32 phy_gpio_reset = REG_RD(bp, shmem_base +
12285 offsetof(struct shmem_region,
12286 dev_info.port_hw_config[PORT_0].default_cfg));
12287 switch (phy_gpio_reset) {
12288 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
12292 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
12296 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
12300 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
12304 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
12308 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
12312 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
12316 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
12321 /* Don't override the io_gpio and io_port */
12326 static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
12327 u32 shmem_base_path[],
12328 u32 shmem2_base_path[], u8 phy_index,
12331 s8 port, reset_gpio;
12332 u32 swap_val, swap_override;
12333 struct bnx2x_phy phy[PORT_MAX];
12334 struct bnx2x_phy *phy_blk[PORT_MAX];
12336 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12337 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
12339 reset_gpio = MISC_REGISTERS_GPIO_1;
12342 /* Retrieve the reset gpio/port which control the reset.
12343 * Default is GPIO1, PORT1
12345 bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
12346 (u8 *)&reset_gpio, (u8 *)&port);
12348 /* Calculate the port based on port swap */
12349 port ^= (swap_val && swap_override);
12351 /* Initiate PHY reset*/
12352 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
12355 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12360 /* PART1 - Reset both phys */
12361 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12362 u32 shmem_base, shmem2_base;
12364 /* In E2, same phy is using for port0 of the two paths */
12365 if (CHIP_IS_E1x(bp)) {
12366 shmem_base = shmem_base_path[0];
12367 shmem2_base = shmem2_base_path[0];
12368 port_of_path = port;
12370 shmem_base = shmem_base_path[port];
12371 shmem2_base = shmem2_base_path[port];
12375 /* Extract the ext phy address for the port */
12376 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12377 port_of_path, &phy[port]) !=
12379 DP(NETIF_MSG_LINK, "populate phy failed\n");
12382 /* disable attentions */
12383 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12385 (NIG_MASK_XGXS0_LINK_STATUS |
12386 NIG_MASK_XGXS0_LINK10G |
12387 NIG_MASK_SERDES0_LINK_STATUS |
12391 /* Reset the phy */
12392 bnx2x_cl45_write(bp, &phy[port],
12393 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
12396 /* Add delay of 150ms after reset */
12398 if (phy[PORT_0].addr & 0x1) {
12399 phy_blk[PORT_0] = &(phy[PORT_1]);
12400 phy_blk[PORT_1] = &(phy[PORT_0]);
12402 phy_blk[PORT_0] = &(phy[PORT_0]);
12403 phy_blk[PORT_1] = &(phy[PORT_1]);
12405 /* PART2 - Download firmware to both phys */
12406 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12407 if (CHIP_IS_E1x(bp))
12408 port_of_path = port;
12411 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12412 phy_blk[port]->addr);
12413 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12416 /* Disable PHY transmitter output */
12417 bnx2x_cl45_write(bp, phy_blk[port],
12419 MDIO_PMA_REG_TX_DISABLE, 1);
12425 static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
12426 u32 shmem_base_path[],
12427 u32 shmem2_base_path[],
12432 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
12433 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
12435 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
12436 DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
12441 static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
12442 struct bnx2x_phy *phy)
12445 /* Wait for FW completing its initialization. */
12446 for (cnt = 0; cnt < 1500; cnt++) {
12447 bnx2x_cl45_read(bp, phy,
12449 MDIO_PMA_REG_CTRL, &val);
12450 if (!(val & (1<<15)))
12455 DP(NETIF_MSG_LINK, "84833 reset timeout\n");
12459 /* Put the port in super isolate mode. */
12460 bnx2x_cl45_read(bp, phy,
12462 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
12463 val |= MDIO_84833_SUPER_ISOLATE;
12464 bnx2x_cl45_write(bp, phy,
12466 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
12468 /* Save spirom version */
12469 bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
12473 int bnx2x_pre_init_phy(struct bnx2x *bp,
12479 struct bnx2x_phy phy;
12480 bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
12481 if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
12483 DP(NETIF_MSG_LINK, "populate_phy failed\n");
12486 switch (phy.type) {
12487 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12488 rc = bnx2x_84833_pre_init_phy(bp, &phy);
12496 static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
12497 u32 shmem2_base_path[], u8 phy_index,
12498 u32 ext_phy_type, u32 chip_id)
12502 switch (ext_phy_type) {
12503 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
12504 rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
12506 phy_index, chip_id);
12508 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
12509 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
12510 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
12511 rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
12513 phy_index, chip_id);
12516 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
12517 /* GPIO1 affects both ports, so there's need to pull
12518 * it for single port alone
12520 rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
12522 phy_index, chip_id);
12524 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12525 /* GPIO3's are linked, and so both need to be toggled
12526 * to obtain required 2us pulse.
12528 rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
12530 phy_index, chip_id);
12532 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
12537 "ext_phy 0x%x common init not required\n",
12543 netdev_err(bp->dev, "Warning: PHY was not initialized,"
12549 int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
12550 u32 shmem2_base_path[], u32 chip_id)
12555 u32 ext_phy_type, ext_phy_config;
12556 bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
12557 bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
12558 DP(NETIF_MSG_LINK, "Begin common phy init\n");
12559 if (CHIP_IS_E3(bp)) {
12561 val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
12562 REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
12564 /* Check if common init was already done */
12565 phy_ver = REG_RD(bp, shmem_base_path[0] +
12566 offsetof(struct shmem_region,
12567 port_mb[PORT_0].ext_phy_fw_version));
12569 DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
12574 /* Read the ext_phy_type for arbitrary port(0) */
12575 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
12577 ext_phy_config = bnx2x_get_ext_phy_config(bp,
12578 shmem_base_path[0],
12580 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
12581 rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
12583 phy_index, ext_phy_type,
12589 static void bnx2x_check_over_curr(struct link_params *params,
12590 struct link_vars *vars)
12592 struct bnx2x *bp = params->bp;
12594 u8 port = params->port;
12597 cfg_pin = (REG_RD(bp, params->shmem_base +
12598 offsetof(struct shmem_region,
12599 dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
12600 PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
12601 PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
12603 /* Ignore check if no external input PIN available */
12604 if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
12608 if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
12609 netdev_err(bp->dev, "Error: Power fault on Port %d has"
12610 " been detected and the power to "
12611 "that SFP+ module has been removed"
12612 " to prevent failure of the card."
12613 " Please remove the SFP+ module and"
12614 " restart the system to clear this"
12617 vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
12620 vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
12623 static void bnx2x_analyze_link_error(struct link_params *params,
12624 struct link_vars *vars, u32 lss_status,
12627 struct bnx2x *bp = params->bp;
12628 /* Compare new value with previous value */
12630 u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
12632 if ((lss_status ^ half_open_conn) == 0)
12635 /* If values differ */
12636 DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
12637 half_open_conn, lss_status);
12639 /* a. Update shmem->link_status accordingly
12640 * b. Update link_vars->link_up
12643 DP(NETIF_MSG_LINK, "Remote Fault detected !!!\n");
12644 vars->link_status &= ~LINK_STATUS_LINK_UP;
12646 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
12648 /* activate nig drain */
12649 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
12650 /* Set LED mode to off since the PHY doesn't know about these
12653 led_mode = LED_MODE_OFF;
12655 DP(NETIF_MSG_LINK, "Remote Fault cleared\n");
12656 vars->link_status |= LINK_STATUS_LINK_UP;
12658 vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
12659 led_mode = LED_MODE_OPER;
12661 /* Clear nig drain */
12662 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12664 bnx2x_sync_link(params, vars);
12665 /* Update the LED according to the link state */
12666 bnx2x_set_led(params, vars, led_mode, SPEED_10000);
12668 /* Update link status in the shared memory */
12669 bnx2x_update_mng(params, vars->link_status);
12671 /* C. Trigger General Attention */
12672 vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
12674 bnx2x_notify_link_changed(bp);
12677 /******************************************************************************
12679 * This function checks for half opened connection change indication.
12680 * When such change occurs, it calls the bnx2x_analyze_link_error
12681 * to check if Remote Fault is set or cleared. Reception of remote fault
12682 * status message in the MAC indicates that the peer's MAC has detected
12683 * a fault, for example, due to break in the TX side of fiber.
12685 ******************************************************************************/
12686 int bnx2x_check_half_open_conn(struct link_params *params,
12687 struct link_vars *vars,
12690 struct bnx2x *bp = params->bp;
12691 u32 lss_status = 0;
12693 /* In case link status is physically up @ 10G do */
12694 if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
12695 (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
12698 if (CHIP_IS_E3(bp) &&
12699 (REG_RD(bp, MISC_REG_RESET_REG_2) &
12700 (MISC_REGISTERS_RESET_REG_2_XMAC))) {
12701 /* Check E3 XMAC */
12702 /* Note that link speed cannot be queried here, since it may be
12703 * zero while link is down. In case UMAC is active, LSS will
12704 * simply not be set
12706 mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
12708 /* Clear stick bits (Requires rising edge) */
12709 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
12710 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
12711 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
12712 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
12713 if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
12716 bnx2x_analyze_link_error(params, vars, lss_status, notify);
12717 } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
12718 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
12719 /* Check E1X / E2 BMAC */
12720 u32 lss_status_reg;
12722 mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
12723 NIG_REG_INGRESS_BMAC0_MEM;
12724 /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
12725 if (CHIP_IS_E2(bp))
12726 lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
12728 lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
12730 REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
12731 lss_status = (wb_data[0] > 0);
12733 bnx2x_analyze_link_error(params, vars, lss_status, notify);
12738 void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
12741 struct bnx2x *bp = params->bp;
12742 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
12743 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
12744 bnx2x_set_aer_mmd(params, ¶ms->phy[phy_idx]);
12745 if (bnx2x_check_half_open_conn(params, vars, 1) !=
12747 DP(NETIF_MSG_LINK, "Fault detection failed\n");
12752 if (CHIP_IS_E3(bp)) {
12753 struct bnx2x_phy *phy = ¶ms->phy[INT_PHY];
12754 bnx2x_set_aer_mmd(params, phy);
12755 bnx2x_check_over_curr(params, vars);
12756 bnx2x_warpcore_config_runtime(phy, params, vars);
12761 u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
12764 struct bnx2x_phy phy;
12765 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12767 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12769 DP(NETIF_MSG_LINK, "populate phy failed\n");
12773 if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
12779 u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
12784 u8 phy_index, fan_failure_det_req = 0;
12785 struct bnx2x_phy phy;
12786 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
12788 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12791 DP(NETIF_MSG_LINK, "populate phy failed\n");
12794 fan_failure_det_req |= (phy.flags &
12795 FLAGS_FAN_FAILURE_DET_REQ);
12797 return fan_failure_det_req;
12800 void bnx2x_hw_reset_phy(struct link_params *params)
12803 struct bnx2x *bp = params->bp;
12804 bnx2x_update_mng(params, 0);
12805 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
12806 (NIG_MASK_XGXS0_LINK_STATUS |
12807 NIG_MASK_XGXS0_LINK10G |
12808 NIG_MASK_SERDES0_LINK_STATUS |
12811 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12813 if (params->phy[phy_index].hw_reset) {
12814 params->phy[phy_index].hw_reset(
12815 ¶ms->phy[phy_index],
12817 params->phy[phy_index] = phy_null;
12822 void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
12823 u32 chip_id, u32 shmem_base, u32 shmem2_base,
12826 u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
12828 u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
12829 if (CHIP_IS_E3(bp)) {
12830 if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
12837 struct bnx2x_phy phy;
12838 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
12840 if (bnx2x_populate_phy(bp, phy_index, shmem_base,
12841 shmem2_base, port, &phy)
12843 DP(NETIF_MSG_LINK, "populate phy failed\n");
12846 if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
12847 gpio_num = MISC_REGISTERS_GPIO_3;
12854 if (gpio_num == 0xff)
12857 /* Set GPIO3 to trigger SFP+ module insertion/removal */
12858 bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
12860 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12861 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
12862 gpio_port ^= (swap_val && swap_override);
12864 vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
12865 (gpio_num + (gpio_port << 2));
12867 sync_offset = shmem_base +
12868 offsetof(struct shmem_region,
12869 dev_info.port_hw_config[port].aeu_int_mask);
12870 REG_WR(bp, sync_offset, vars->aeu_int_mask);
12872 DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
12873 gpio_num, gpio_port, vars->aeu_int_mask);
12876 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
12878 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
12880 /* Open appropriate AEU for interrupts */
12881 aeu_mask = REG_RD(bp, offset);
12882 aeu_mask |= vars->aeu_int_mask;
12883 REG_WR(bp, offset, aeu_mask);
12885 /* Enable the GPIO to trigger interrupt */
12886 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
12887 val |= 1 << (gpio_num + (gpio_port << 2));
12888 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);